IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0175532
(1998-10-20)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
24 인용 특허 :
5 |
초록
▼
A water amount controlling switch structure of water injection gun, including a gun housing, a controlling pin, a water sealing gasket, a locating ring, an adjustment pin, a trigger, a push button, a pad member, a water sealing ring and three springs. The trigger is U-shaped and pivotally connected
A water amount controlling switch structure of water injection gun, including a gun housing, a controlling pin, a water sealing gasket, a locating ring, an adjustment pin, a trigger, a push button, a pad member, a water sealing ring and three springs. The trigger is U-shaped and pivotally connected with an opening of a chamber of the gun housing. A lower portion of inner side of a middle board of the trigger is disposed with a projecting conic head pushing post. An upper section of the middle board is disposed with a push button notch. A lower edge of the notch is formed with a supporting slope face. The push button is received in the notch. An upper section of inner side of the push button is disposed with a hollow fitting post. A bottom edge of the push button is formed with a zig-zag micro-adjustment slope face leaning against and engaging with the supporting slope face of the notch of the trigger. An end of the zig-zag micro-adjustment slope face of the Push button is disposed with a short horizontal section and a vertical engaging edge connected with the horizontal section. By means of the engagement between the supporting slope face of the trigger and the zig-zag micro-adjustment slope face of the push button, the trigger can be freely pressed inward and located to micro-adjust the water amount.
대표청구항
▼
[ What is claimed is:] [1.] A water amount controlling switch structure of water injection gun, the injection gun having a gun housing, the gun housing having a grip in which a three-stepped water way is formed, a water sealing gasket being fitted with a step portion between a small and a middle dia
[ What is claimed is:] [1.] A water amount controlling switch structure of water injection gun, the injection gun having a gun housing, the gun housing having a grip in which a three-stepped water way is formed, a water sealing gasket being fitted with a step portion between a small and a middle diameter portions of the water way, a controlling pin being fitted in the water sealing gasket and resiliently upward pushed by a first spring, an inner side of the grip being formed with a chamber, a stepped post and a hollow post being respectively disposed on upper and lower sections of a bottom of the chamber, an adjustment pin being fitted in the hollow post and outward pushed by a second spring, a conic face of a conic head of the adjustment pin downward pressing a tip of a conic head of the controlling pin so as to change the gap between an engaging slope face of the controlling pin and a water sealing slope face of the water sealing gasket and thus control water amount, said controlling switch structure being characterized in that a U-shaped trigger is pivotally connected with an opening of the chamber of the gun housing, a lower portion of inner side of a middle board of the trigger being disposed with a projecting conic head pushing post for abutting against an end face of the adjustment pin, an upper section of the middle board being disposed with a push button notch, a lower edge of the notch being formed with a supporting slope face, a push button being received in the notch, an upper section of inner side of the push button being disposed with a hollow fitting post, the hollow fitting post being resiliently pushed by a third spring fitted on the stepped post of the chamber, a bottom edge of the push button being formed with a micro-adjustment slope face leaning against and engaging with the supporting slope face of the notch of the trigger, whereby by means of the engagement between the supporting slope face of the trigger and the micro-adjustment slope face of the push button, the trigger can be freely pressed inward and located to micro-adjust the water amount and by means of pressing the push button, the trigger is restored to its home position to shut off the water; wherein said push button is characterized by that:said micro-adjustment slope face is made in a zig-zag form so as to permit said push button biased by said third spring to move backwardly in a stepwise manner precisely, when said trigger is pushed into said chamber of said gun housing.
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