IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0564028
(2006-11-28)
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등록번호 |
US-7377479
(2008-05-27)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
8 |
초록
▼
A position restoring apparatus for an open and close device includes a casing base, a first actuating member, a second actuating member, a first end cover, a second end cover, an output shaft and a motor. The casing base has main member with a hollow seat. The first actuating member has a first disk
A position restoring apparatus for an open and close device includes a casing base, a first actuating member, a second actuating member, a first end cover, a second end cover, an output shaft and a motor. The casing base has main member with a hollow seat. The first actuating member has a first disk part with a first block and a first rack at a lateral side of the first block. The second actuating member has a second disk part with a second block and a second rack. The first end cover provides a plurality of first elastic components. The second end cover provides a plurality of second elastic components. The output shaft provides a joining part to mesh with the first and second racks. The motor shaft extends upward a rod part with an electromagnet, a stationary disk member and a movable disk member.
대표청구항
▼
What is claimed is: 1. A position restoring apparatus for an open and close device comprising: a casing base having a rectangular main member with a hollow seat on top thereof, a long inner hole extending along the axial axis of the main member from a right side to a left side of the main member, t
What is claimed is: 1. A position restoring apparatus for an open and close device comprising: a casing base having a rectangular main member with a hollow seat on top thereof, a long inner hole extending along the axial axis of the main member from a right side to a left side of the main member, the bottom of the hollow seat being a middle opening communicating with the inner hole, a lower opening being disposed at the bottom of the main member corresponding to the middle opening to communicate with the inner hole and a gear speed reducer being received in the hollow seat; a first side cover being attached to the right side of the main member to close an end of the inner hole, providing a first axial internal hole and a first axial outer sink, a first middle small hole being disposed between the first axial internal hole and the first axial outer sink such that the first axial internal hole is capable of communicating with the first axial external sink, a first rod fitting with the first axial internal hole with a first threaded hole extending inward from an end of the first rod, a second screw fastener passing through the first middle small hole from the first axial outer sink to engage with the first threaded hole of the first rod, a plurality of first blind holes being disposed to surround the first axial internal hole to accommodate a first elastic component respectively in a way of an end of the first elastic component extending into the inner hole of the casing base; a second side cover being attached to the left end side of the main member to close the right end of the inner hole, the second side cover having a second axial internal hole and a second axial outer sink, a second middle small hole being disposed between the second axial internal hole and the second axial outer sink such that the second axial internal hole is capable of communicating with the second axial external sink, a second rod fitting with the second axial internal hole with a second threaded hole extending inward from an end of the second rod, a fourth screw fastener passing through the second middle small hole from the second axial outer sink to engage with the second threaded hole of the second rod, a plurality of second blind holes being disposed to surround the second axial internal hole in the second side cover to accommodate a second elastic component respectively in a way of an end of the second elastic component extending into the inner hole of the casing base; a first actuating member having a first disk part with a first central hole and a plurality of third blind holes surrounding the central hole to correspond to the first blind holes, a first elongated block extending from a facial side of the first disk part parallel to the axial line of the first disk part with a first rack section provided at a lateral side of the first block, the central hole of the block being movably attached to a section of the first rod, which extends outward the first axial internal hole with a first oily bearing being arranged in the first central hole; a second actuating member having a second disk part with a second central hole and a plurality of fourth blind holes surrounding the second central hole to correspond to the second blind holes, a second elongated block extending from a facial side of the second disk part parallel to the axial line of the second disk part with a second rack section provided at a lateral side of the block, the second central hole of the second block being movably attached to a section of the second rod, which extends outward the second axial internal hole with a second oily bearing being arranged in the second central hole; an output shaft having a joining part at the lower end thereof to movably connect with the lower opening of the main member for being attached to an operated valve or an open and any other close device, the joining part having a gear part to mesh with the first rack and the second rack respectively, the output shaft having a gear at a middle section thereof disposed in the hollow seat to mesh with a terminal gear of the gear speed reducer, an upper section of the output shaft having a cam with a flat portion and a micro switch being provided next to the cam, and a damping device being joined to the middle section of the output shaft; a motor being disposed in the hollow seat and an initial gear of the speed reducer being attached to an end of a motor shaft thereof, another end of the motor shaft extending a rod part with an electromagnet fixedly joined to the lower portion of the rod part, a spring being disposed at the center of the electromagnet and surrounding the motor shaft, the rod part being secured with a stationary disk at the upper end thereof and the stationary disk having three holes spacing apart from each other, a movable disk being disposed under the stationary disk and biased against the spring, three sticks being provided at the movable disk corresponding to the three holes such that the sticks insert through the holes, and an upper cover being provided to close the hollow seat. 2. The position restoring apparatus for an open and close device as defined in claim 1, wherein a front opening and a rear opening are disposed at the front side and the rear side of the main member to communicate with the long inner hole respectively; a front cap is attached to the front opening and a first contact piece, which is made of soft metal, is attached to the rear side of the front cap to pressingly touch another lateral side of the first block opposite to the lateral side with the first rack; a rear cap is attached to the rear opening and a second contact piece, which is made of soft metal, is attached to the front side of the rear cap to pressingly touch another lateral side of the second block opposite to the lateral side with the second rack. 3. The position restoring apparatus for an open and close device as defined in claim 2, wherein the first and the second contact piece are made of copper. 4. The position restoring apparatus for an open and close device as defined in claim 1, wherein a first circular cap is attached to and closes the first axial outer sink and a second circular cap is attached to and closes the second axial outer sink. 5. The position restoring apparatus for an open and close device as defined in claim 2, wherein a first circular cap is attached to and closes the first axial outer sink and a second circular cap is attached to and closes the second axial outer sink. 6. The position restoring apparatus for an open and close device as defined in claim 3, wherein a first circular cap is attached to and closes the first axial outer sink and a second circular cap is attached to and closes the second axial outer sink. 7. The position restoring apparatus for an open and close device as defined in claim 1, wherein the first and the second elastic component are springs. 8. The position restoring apparatus for an open and close device as defined in claim 2, wherein the first and the second elastic components are springs. 9. The position restoring apparatus for an open and close device as defined in claim 3, wherein the first and the second elastic component are springs. 10. The position restoring apparatus for an open and close device as defined in claim 4, wherein the first and the second elastic component are springs. 11. The position restoring apparatus for an open and close device as defined in claim 1, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface of the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection. 12. The position restoring apparatus for an open and close device as defined in claim 2, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface of the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection. 13. The position restoring apparatus for an open and close device as defined in claim 3, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface of the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection. 14. The position restoring apparatus for an open and close device as defined in claim 4, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface of the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection. 15. The position restoring apparatus for an open and close device as defined in claim 5, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface of the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection. 16. The position restoring apparatus for an open and close device as defined in claim 6, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface of the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection. 17. The position restoring apparatus for an open and close device as defined in claim 10, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface of the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection. 18. A position restoring apparatus for an open and close device comprising: a casing base having a rectangular main member with a hollow seat on top thereof, a long inner hole extending along the axial axis of the main member from a right side to a left side of the main member and a front opening being disposed at the front side of the main member, a rear opening being disposed at the rear side of the main member to communicate with the inner hole, the bottom of the hollow seat being a middle opening communicating with the inner hole, a lower opening being disposed at the bottom of the main member corresponding to the middle opening to communicate with the inner hole and a gear type speed reducer being received in the hollow seat; a first side cover being attached to the right side of the main member with a plurality of first screw fasteners to close an end of the inner hole, providing a first axial internal hole and a first axial outer sink, a first middle small hole being disposed between the first axial internal hole and the first axial outer sink such that the first axial internal hole is capable of communicating with the first axial external sink, a first rod fitting with the first axial internal hole with a first threaded hole extending inward from an end of the first rod, a second screw fastener passing through the first middle small hole from the first axial outer sink to engage with the first threaded hole of the first rod, a first circular cap being attached to and closes the first axial outer sink, a plurality of first blind holes being disposed to surround the first axial internal hole to accommodate a first elastic component such as a spring respectively in a way of an end of the first elastic component extending into the inner hole of the casing base; a second side cover being attached to the left end side of the main member with a plurality of third screw fasteners to close the right end of the inner hole, the second side cover having a second axial internal hole and a second axial outer sink, a second middle small hole being disposed between the second axial internal hole and the second axial outer sink such that the second axial internal hole is capable of communicating with the second axial external sink, a second rod fitting with the second axial internal hole with a second threaded hole extending inward from an end of the second rod, a fourth screw fastener passing through the second middle small hole from the second axial outer sink to engage with the second threaded hole of the second rod, a second circular cap being attached to and closes the second axial outer sink, a plurality of second blind holes being disposed to surround the second axial internal hole in the second side cover to accommodate a second elastic component such as a spring respectively in a way of an end of the second elastic component extending into the inner hole of the casing base; a first actuating member having a first disk part with a first central hole and a plurality of third blind holes surrounding the central hole to correspond to the first blind holes, a first elongated block extending from a facial side of the first disk part parallel to the axial line of the first disk part with a first rack section provided at a lateral side of the first block, the central hole of the block being movably attached to a section of the first rod, which extends outward the first axial internal hole with a first oily bearing being arranged in the first central hole, a front cap is attached to the front opening and a first contact piece, which is made of soft metal, is attached to the rear side of the front cap to pressingly touch another lateral side of the first block opposite to the lateral side with the first rack; a second actuating member having a second disk part with a second central hole and a plurality of fourth blind holes surrounding the second central hole to correspond to the second blind holes, a second elongated block extending from a facial side of the second disk part parallel to the axial line of the second disk part with a second rack section provided at a lateral side of the block, the second central hole of the second block being movably attached to a section of the second rod, which extends outward the second axial internal hole with a second oily bearing being arranged in the second central hole, a rear cap is attached to the rear opening and a second contact piece, which is made of soft metal, is attached to the front side of the rear cap to pressingly touch another lateral side of the second block opposite to the lateral side with the second rack; an output shaft having a joining part at the lower end thereof to movably connect with the lower opening of the main member for being attached to an operated valve or an open and any other close device, the joining part having a gear part to mesh with the first rack and the second rack respectively, the output shaft having a gear at a middle section thereof disposed in the hollow seat to mesh with a terminal gear of the gear speed reducer, an upper section of the output shaft having a cam with a flat portion and a micro switch being provided next to the cam, and a damping device being joined to the middle section of the output shaft; a motor being disposed in the hollow seat and an initial gear of the speed reducer being attached to an end of a motor shaft thereof, another end of the motor shaft extending a rod part with an electromagnet fixedly joined to the lower portion of the rod part, a spring being disposed at the center of the electromagnet and surrounding the motor shaft, the rod part being secured with a stationary disk at the upper end thereof and the stationary disk having three holes spacing apart from each other, a movable disk being disposed under the stationary disk and biased against the spring, three sticks being provided at the movable disk corresponding to the three holes such that the sticks insert through the holes, and an upper cover being provided to close the hollow seat. 19. The position restoring apparatus for an open and close device as defined in claim 18, wherein the damping device has body part with a outer threaded section for being fastened with a nut once the damping device is adjustably set to prevent from loosening. 20. The position restoring apparatus for an open and close device as defined in claim 18, further comprises a lower casing part under the main member of the casing base with a large chamber, a small chamber and a lower through hole disposed sequentially from the top to the bottom of the lower casing part respectively and a rectangular contour with an elongated hole being integrally joined to the outer circumferential side of the lower casing part and the elongated hole communicating the large chamber; a worm gear with worm gear teeth being disposed in the lower casing part, having a middle ring section with a middle hole, an inner wall of the middle hole having a first projection, a lower ring section extending downward from the middle ring section and an upper ring section extending upward from the middle ring section, an intermediate ring element, which is made of soft metal, fitting with the outer circumferential side of the lower ring section, the middle ring section being in the large chamber, the lower ring section being in the small chamber and the outer circumferential surface of the intermediate ring element touching the inner wall surface of the small chamber; a worm set having a worm inserted into the long hole of the lower casing part and the worm teeth meshing with the worm gear teeth and a handle wheel is attached to the outer end of the worm for turning the worm; and an extended lower section being provided between the joining part and the gear part with an annular fixing block being attached to the extended lower section and a second projection radially extending outward from the outer circumferential surface or the fixing block such that the joining part of the output shaft passes through the lower opening and is movably disposed in the lower through hole and the fixing block is disposed in the middle hole of the worm gear next to the second projection.
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