A multi-joint synchronous rotary axle structure includes a middle shaft and two parallel side shafts at two sides of the middle shaft. A first synchronous actuating assembly and a second synchronous actuating assembly are provided at two opposite positions of the middle shaft and the side shafts, wh
A multi-joint synchronous rotary axle structure includes a middle shaft and two parallel side shafts at two sides of the middle shaft. A first synchronous actuating assembly and a second synchronous actuating assembly are provided at two opposite positions of the middle shaft and the side shafts, which are connected in a reverse link relationship. The two side shafts can be rotated about the middle shaft to generate a synchronous reverse turning. A two-way shaft plate is provided between the middle shaft and each of the side shafts to provide the torsion of tuning so as to form a compact multi-joint synchronous rotary axle structure.
대표청구항▼
1. A multi-joint synchronous rotary axle structure, comprising a middle shaft, a first side shaft and a second side shaft wherein the side shafts are parallel to two sides of the middle shaft, the middle shaft, the first side shaft and the second side shaft having a first position and a second posit
1. A multi-joint synchronous rotary axle structure, comprising a middle shaft, a first side shaft and a second side shaft wherein the side shafts are parallel to two sides of the middle shaft, the middle shaft, the first side shaft and the second side shaft having a first position and a second position respectively, a first synchronous actuating assembly and a second synchronous actuating assembly being provided at the first position and the second position; the first synchronous actuating assembly comprising a first synchronous actuating member and a first link member; the second synchronous actuating assembly comprising a second synchronous actuating member and a second link member; the first synchronous actuating member having an actuating end, the actuating end of the first synchronous actuating member being pivotally connected to the first position of the first side shaft, the first link member having a link end, the link end of the first link member being pivotally connected to the first position of the middle shaft, the first link member further having a driven end, the driven end of the first link member being fixed at the first position of the second side shaft; the second synchronous actuating member having an actuating end, the actuating end of the second synchronous actuating member being pivotally connected to the second position of the second side shaft, the second link member having a link end, the link end of the second link member being pivotally connected to the second position of the middle shaft, the second link member further having a driven end, the driven end of the second link member being fixed at the second position of the first side shaft; the actuating end of the first synchronous actuating member and the link end of the first link member forming a synchronous connection; the actuating end of the second synchronous actuating member and the link end of the second link member forming a synchronous connection. 2. The multi-joint synchronous rotary axle structure as claimed in claim 1, wherein a torsion elastic plate assembly is provided between the first synchronous actuating assembly and the second synchronous actuating assembly. 3. The multi-joint synchronous rotary axle structure as claimed in claim 2, wherein the torsion elastic plate assembly comprises a two-way shaft plate, the two-way shaft plate comprising a first elastic sleeve and a second elastic sleeve to wrap the middle shaft and one of the first side shaft and the second side shaft. 4. The multi-joint synchronous rotary axle structure as claimed in claim 2, wherein the torsion elastic plate assembly comprises a one-way shaft plate, the one-way shaft plate comprising an elastic sleeve to wrap one of the first side shaft and the second side shaft, and a fixing plate extending from the elastic sleeve. 5. The multi-joint synchronous rotary axle structure as claimed in claim 3, wherein the torsion elastic plate assembly further comprises a one-way shaft plate, the one-way shaft plate comprising a third elastic sleeve to wrap the other of the first side shaft and the second side shaft, and a fixing plate extending from the third elastic sleeve. 6. The multi-joint synchronous rotary axle structure as claimed in claim 4, wherein the fixing plate is secured to the fixing end of the first synchronous actuating member or the second synchronous actuating member. 7. The multi-joint synchronous rotary axle structure as claimed in claim 1, further comprises an outer end thereof, and the outer end disposed with an fitting end. 8. The multi-joint synchronous rotary axle structure as claimed in claim 2, further comprises an outer end thereof, and the outer end disposed with an fitting end. 9. The multi-joint synchronous rotary axle structure as claimed in claim 4, further comprises an outer end thereof, and the outer end disposed with an fitting end. 10. The multi joint synchronous rotary axle structure as claimed in claim 6, further comprises an outer end thereof, and the outer end disposed with an fitting end. 11. The multi joint synchronous rotary axle structure as claimed in claim 1, wherein the first synchronous actuating assembly and the second synchronous actuating assembly are respectively coupled to two foldable members of an electronic object. 12. The multi-joint synchronous rotary axle structure as claimed in claim 2, wherein the first synchronous actuating assembly and the second synchronous actuating assembly are respectively coupled to two foldable members of an electronic object. 13. The multi-joint synchronous rotary axle structure as claimed in claim 4, wherein the first synchronous actuating assembly and the second synchronous actuating assembly are respectively coupled to two foldable members of an electronic object. 14. The multi-joint synchronous rotary axle structure as claimed in claim 6, wherein the first synchronous actuating assembly and the second synchronous actuating assembly are respectively coupled to two foldable members of an electronic object. 15. The multi-joint synchronous rotary axle structure as claimed in claim 7, wherein the first synchronous actuating assembly and the second synchronous actuating assembly are respectively coupled to two foldable members of an electronic object. 16. The multi joint synchronous rotary axle structure as claimed in claim 1, wherein the actuating end and the link end are engaged with each other by teeth. 17. The multi joint synchronous rotary axle structure as claimed in claim 2, wherein the actuating end and the link end are engaged with each other by teeth. 18. The multi joint synchronous rotary axle structure as claimed in claim 4, wherein the actuating end and the link end are engaged with each other by teeth. 19. The multi joint synchronous rotary axle structure as claimed in claim 6, wherein the actuating end and the link end are engaged with each other by teeth. 20. The multi joint synchronous rotary axle structure as claimed in claim 7, wherein the actuating end and the link end are engaged with each other by teeth. 21. The multi-joint synchronous rotary axle structure as claimed in claim 11, wherein the actuating end and the link end are engaged with each other by teeth. 22. The multi joint synchronous rotary axle structure as claimed in claim 1, wherein the actuating end and the link end are engaged with each other by frictional surfaces. 23. The multi joint synchronous rotary axle structure as claimed in claim 2, wherein the actuating end and the link end are engaged with each other by frictional surfaces. 24. The multi joint synchronous rotary axle structure as claimed in claim 4, wherein the actuating end and the link end are engaged with each other by frictional surfaces. 25. The multi joint synchronous rotary axle structure as claimed in claim 6, wherein the actuating end and the link end are engaged with each other by frictional surfaces. 26. The multi joint synchronous rotary axle structure as claimed in claim 7, wherein the actuating end and the link end are engaged with each other by frictional surfaces. 27. The multi joint synchronous rotary axle structure as claimed in claim 11, wherein the actuating end and the link end are engaged with each other by frictional surfaces.
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이 특허에 인용된 특허 (5)
Hsu, An Szu, Dual-shaft synchronous movement device.
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