Free wheel mechanism and moving apparatus having the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60B-033/00
B62D-061/08
B60B-033/04
출원번호
US-0382705
(2016-12-18)
등록번호
US-9902198
(2018-02-27)
발명자
/ 주소
Chiang, Shu-Hao
Hsu, Wen-Hsing
출원인 / 주소
NANNING FUGUI PRECISION INDUSTRIAL CO., LTD.
대리인 / 주소
ScienBiziP, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
14
초록▼
A free wheel mechanism includes a basic assembly, a fastening member, a sleeve, a rotating member, a first elastic member, and a second elastic member. The basic assembly comprises a base, a guiding rod, and a free wheel. A guiding hole is defined in the fastening member to receive the guiding rod.
A free wheel mechanism includes a basic assembly, a fastening member, a sleeve, a rotating member, a first elastic member, and a second elastic member. The basic assembly comprises a base, a guiding rod, and a free wheel. A guiding hole is defined in the fastening member to receive the guiding rod. One end of the sleeve is received in the guiding hole. The rotating member is positioned in a through hole of the sleeve. The first elastic member is coiled around the guiding rod, and opposite sides of the first elastic member resist against the base and the sleeve on opposite sides. The second elastic member is received in the through hole, and opposite sides of the second elastic member elastically abuts the rotating member and the guiding rod on opposite sides. Meanwhile, a moving apparatus with the free wheel mechanism is provided.
대표청구항▼
1. A free wheel mechanism comprising: a basic assembly comprising a base, a guiding rod, and a free wheel, the guiding rod positioned on a first surface of the base, and the free wheel rotatably positioned on the base away from the guiding rod;a fastening member on one end of the base, the fastening
1. A free wheel mechanism comprising: a basic assembly comprising a base, a guiding rod, and a free wheel, the guiding rod positioned on a first surface of the base, and the free wheel rotatably positioned on the base away from the guiding rod;a fastening member on one end of the base, the fastening member defining a guiding hole to receive the guiding rod;a sleeve defining a through hole therein, and one end of the sleeve slidingly received in the guiding hole;a rotating member in the through hole;a first elastic member coiled around the guiding rod, and opposite sides of the first elastic member resisting against the base and the sleeve; anda second elastic member received in the through hole, and opposite sides of the second elastic member elastically abutting the rotating member and the guiding rod. 2. The free wheel mechanism as claimed in claim 1, wherein the sleeve further comprises a sleeve body and a resisting portion, the resisting portion is positioned on one end of the sleeve body and resists against one end of the first elastic member, an external diameter of the resisting portion is smaller than an external diameter of the sleeve body, and the through hole is defined in the sleeve body and the resisting portion. 3. The free wheel mechanism as claimed in claim 2, wherein the free wheel mechanism further comprises a restriction member, the restriction member comprises a restriction ring, the restriction ring comprises a plurality of restriction portions, the plurality of restriction portions is positioned on an inner surface of the restriction ring, each of the restriction portions comprises two restriction teeth, at least one engaging tooth protrudes from an external wall of the resisting portion, and the at least one engaging tooth is engaged to two restriction teeth of each of the restriction portions to limit rotation of the restriction member relative to the sleeve. 4. The free wheel mechanism as claimed in claim 3, wherein the through hole comprises a first through hole, a second through hole, and a third through hole, the first through hole, the second through hole, and the third through hole are in air communication with each other, the first through hole is defined in one end of the sleeve body away from the resisting portion, and the third through hole is defined in one end of the resisting portion away from the sleeve body. 5. The free wheel mechanism as claimed in claim 4, wherein a diameter of the first through hole is larger than a diameter of the second through hole, a diameter of the second through hole is larger than a diameter of the third through hole, and the third through hole receives the guiding rod. 6. The free wheel mechanism as claimed in claim 5, wherein a plurality of latching grooves is defined in the first surface, the plurality of latching grooves is evenly arranged along the circumference of the base, a plurality of latching members is positioned on opposite end edges of the fastening member, and the plurality of latching members on one end edge of the fastening member is engaged to the plurality of latching grooves to mount the fastening member to the base. 7. The free wheel mechanism as claimed in claim 6, wherein the restriction member further comprises a fastening portion connected to the restriction ring, a plurality of latching hole is defined in the fastening portion, and the plurality of latching holes is engaged to the plurality of latching members on other end edge of the fastening member to connect the fastening portion to the fastening member. 8. The free wheel mechanism as claimed in claim 2, wherein a stopping member is located on an inner surface of the guiding hole, and the stopping member resists against the resisting portion to limit a movement of the fastening member relative to the sleeve. 9. The free wheel mechanism as claimed in claim 1, wherein the free wheel mechanism further comprises a base plate, a receiving cavity is defined in the base plate to partially receive the base, and a mounting hole is defined in a bottom surface of the receiving cavity to receive the free wheel. 10. The free wheel mechanism as claimed in claim 1, wherein the base further comprises a second surface, the second surface is on an opposite side of the first surface, and an installing space is defined in the second surface to receive the free wheel. 11. A moving apparatus comprising: a main body;two driving wheel rotatably positioned on opposite sides of the main body;a free wheel mechanism positioned on the main body comprising:a basic assembly comprising a base, a guiding rod, and a free wheel, the guiding rod positioned on a first surface of the base, and the free wheel rotatably positioned on the base away from the guiding rod;a fastening member on one end of the base, the fastening member defining a guiding hole to receive the guiding rod;a sleeve defining a through hole therein, and one end of the sleeve slidingly received in the guiding hole;a rotating member in the through hole;a first elastic member coiled around the guiding rod, and opposite sides of the first elastic member resisting against the base and the sleeve; anda second elastic member received in the through hole, and opposite sides of the second elastic member elastically abutting the rotating member and the guiding rod. 12. The moving apparatus as claimed in claim 11, wherein the sleeve further comprises a sleeve body and a resisting portion, the resisting portion is positioned on one end of the sleeve body and resists against one end of the first elastic member, an external diameter of the resisting portion is smaller than an external diameter of the sleeve body, and the through hole is defined in the sleeve body and the resisting portion. 13. The moving apparatus as claimed in claim 12, wherein the free wheel mechanism further comprises a restriction member, the restriction member comprises a restriction ring, the restriction ring comprises a plurality of restriction portions, the plurality of restriction portions is positioned on an inner surface of the restriction ring, each of the restriction portions comprises two restriction teeth, at least one engaging tooth protrudes from an external wall of the resisting portion, and the at least one engaging tooth is engaged to two restriction teeth of each of the restriction portions to limit rotation of the restriction member relative to the sleeve. 14. The moving apparatus as claimed in claim 13, wherein the through hole comprises a first through hole, a second through hole, and a third through hole, the first through hole, the second through hole, and the third through hole are in air communication with each other, the first through hole is defined in one end of the sleeve body away from the resisting portion, and the third through hole is defined in one end of the resisting portion away from the sleeve body. 15. The moving apparatus as claimed in claim 14, wherein a diameter of the first through hole is larger than a diameter of the second through hole, a diameter of the second through hole is larger than a diameter of the third through hole, and the third through hole receives the guiding rod. 16. The moving apparatus as claimed in claim 15, wherein a plurality of latching grooves is defined in the first surface, the plurality of latching grooves is evenly arranged along the circumference of the base, a plurality of latching members is positioned on opposite end edges of the fastening member, and the plurality of latching members on one end edge of the fastening member is engaged to the plurality of latching grooves to mount the fastening member to the base. 17. The moving apparatus as claimed in claim 16, wherein the restriction member further comprises a fastening portion connected to the restriction ring, a plurality of latching hole is defined in the fastening portion, and the plurality of latching holes is engaged to the plurality of latching members on other end edge of the fastening member to connect the fastening portion to the fastening member. 18. The moving apparatus as claimed in claim 12, wherein a stopping member is located on an inner surface of the guiding hole, and the stopping member resists against the sleeve to limit a movement of the fastening member relative to the sleeve. 19. The moving apparatus as claimed in claim 11, wherein the free wheel mechanism further comprises a base plate, a receiving cavity is defined in the base plate to partially receive the base, and a mounting hole is defined in a bottom surface of the receiving cavity to receive the free wheel. 20. The moving apparatus as claimed in claim 11, wherein the base further comprises a second surface, the second surface is on an opposite side of the first surface, and an installing space is defined in the second surface to receive the free wheel.
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