CN201786972U - Overrunning clutch - Google Patents
Overrunning clutch Download PDFInfo
- Publication number
- CN201786972U CN201786972U CN2010202911904U CN201020291190U CN201786972U CN 201786972 U CN201786972 U CN 201786972U CN 2010202911904 U CN2010202911904 U CN 2010202911904U CN 201020291190 U CN201020291190 U CN 201020291190U CN 201786972 U CN201786972 U CN 201786972U
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- CN
- China
- Prior art keywords
- retainer
- wheel
- star
- ring
- circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to an overrunning clutch, which comprises a shaft, wherein an outer hub is installed on the periphery of the shaft; a screw stem is mounted at the right end of the shaft; a screw nut is placed between the screw stem and the shaft; an oscillating bar is arranged under the screw nut; a star wheel is positioned in the centre of the outer hub; an arc torsion spring is installed inside the star wheel; a retainer is installed between the outer hub and the star wheel; six rollers are evenly arranged between the outer hub and the star wheel ; the outer periphery of the retainer is formed into an outer circle; the inner periphery of the retainer is formed into an inner circle; a dust cover is installed at the upper end of the star wheel; a rubber ring is installed on the inner end face of the dust cover; an inner retainer and an outer retainer are installed between the inner circle and the outer circle; a plurality of fastening blocks are evenly arranged between the inner circle and the outer circle; a plurality of springs are evenly arranged between the inner retainer and the outer retainer; fixed spring pieces are evenly arranged between the outer retainer and the outer circle; and friction spring pieces are installed between the inner retainer and the inner circle. The overrunning clutch has the advantages of having capability to automatically overrun clutch and stop overrunning, saving energy consumption, reducing abrasion of a transmission system, and being smart in reaction and non-skidding.
Description
Technical field:
The utility model relates to a kind of free wheel device.
Background technique:
Free wheel device is widely used in clearance transmission mechanism, mining machinery, spanner of aircraft, tank, military trucks, offroad vehicle, loader, fork truck, automobile, motorcycle, bicycle, lathe, printing machinery, textile manufacturing machine, nut molding machine, automatic production line etc., the moving string of traditional free wheel device armrest moving gear combining mechanism is realized, during work, manually frequent, should not realize, the transmission system serious wear, the energy consumption height, when surmounting reaction clutch blunt, skid.
Summary of the invention:
The purpose of this utility model is in order to overcome above deficiency, provides a kind of and can realize automatic overdrive clutch, can stop again surmounting, and saves energy consumption, reduces the transmission system wearing and tearing, is quick on the draw, non-slip free wheel device.
The purpose of this utility model is achieved through the following technical solutions: a kind of free wheel device, comprise axle, the periphery of axle is provided with outer hub, the right-hand member of axle is provided with screw rod, be provided with nut between screw rod and the axle, the below of nut is provided with fork, the center of outer hub is provided with star-wheel, star-wheel inside is provided with circular-arc torsion spring, be provided with retainer between outer hub and the star-wheel, one end of torsion spring is fixed on the star-wheel, the other end of torsion spring is fixed on the retainer, also evenly be provided with six rollers between outer hub and the star-wheel, six rollers are arranged on same circumference, the outer ring of retainer forms an outer shroud, the inner ring of retainer forms ring in, the upper end of star-wheel is provided with dust-proof cover, and the dust-proof cover interior edge face is provided with rubber grommet, retainer and outer retainer in being provided with between interior ring and the outer shroud, interior retainer is near interior ring, outer retainer evenly is provided with a plurality of fixture blocks near outer shroud between interior ring and the outer shroud, fixture block is arranged on same circumference, evenly be provided with a plurality of springs between interior retainer and the outer retainer, evenly be provided with clip between outer retainer and the outer shroud, be provided with the friction reed between interior retainer and the interior ring, the cross section of star-wheel is an even number regular polygon structure.
The utility model compared with prior art has the following advantages:
It can realize automatic overdrive clutch, can stop again surmounting, and saves energy consumption, reduces the transmission system wearing and tearing, is quick on the draw, non-slip.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a sectional view of the present utility model;
Fig. 3 is the structural representation of retainer;
Ring, 13-fixture block, the interior retainer of 14-, the outer retainer of 15-, 16-spring, 17-clip, 18-friction reed, 19-axle in the outer hub of number in the figure: 1-, 2-retainer, 3-roller, 4-star-wheel, 5-torsion spring, 6-nut, 7-screw rod, 8-fork, 9-dust-proof cover, 10-rubber grommet, 11-outer shroud, the 12-.
Embodiment:
In order to deepen understanding of the present utility model, the utility model is described in further detail below in conjunction with embodiment and accompanying drawing, and this embodiment only is used to explain the utility model, does not constitute the qualification to the utility model protection domain.
As Fig. 1, Fig. 2, Fig. 3 shows a kind of mode of execution of the utility model free wheel device, comprise axle 19, the periphery of axle 19 is provided with outer hub 1, the right-hand member of axle 19 is provided with screw rod 7, be provided with nut 6 between screw rod 7 and the axle 19, the below of nut 6 is provided with fork 8, the center of outer hub 1 is provided with star-wheel 4, the cross section of star-wheel 4 is an even number regular polygon structure, star-wheel 4 inside are provided with circular-arc torsion spring 5, be provided with retainer 2 between outer hub 1 and the star-wheel 4, one end of torsion spring 5 is fixed on the star-wheel 4, the other end of torsion spring 5 is fixed on the retainer 2, also evenly be provided with six rollers 3 between outer hub 1 and the star-wheel 4, six rollers 3 are arranged on same circumference, the outer ring of retainer 2 forms an outer shroud 11, the inner ring of retainer 2 forms ring 12 in, the upper end of star-wheel 4 is provided with dust-proof cover 9, dust-proof cover 9 interior edge faces are provided with rubber grommet 10, retainer 14 and outer retainer 15 in being provided with between interior ring 12 and the outer shroud 11, interior retainer 14 is near interior ring 12, outer retainer 15 is near outer shroud 11, evenly be provided with a plurality of fixture blocks 13 between interior ring 12 and the outer shroud 11, fixture block 13 is arranged on same circumference, evenly be provided with a plurality of springs 16 between interior retainer 14 and the outer retainer 15, evenly be provided with clip 17 between outer retainer 15 and the outer shroud 11, be provided with friction reed 18 between interior retainer 14 and the interior ring 12.
The cross section of star-wheel 4 is positive six polygonals, realizes transmission of power, the power that can increase and successively decrease and transmit.
The utlity model has automatic overdrive clutch, can stop again surmounting, save energy consumption, reduce the transmission system wearing and tearing, be quick on the draw, non-slip advantage.
Claims (2)
1. free wheel device, it is characterized in that: comprise axle (19), the periphery of described axle (19) is provided with outer hub (1), the right-hand member of described axle (19) is provided with screw rod (7), be provided with nut (6) between described screw rod (7) and the described axle (19), the below of described nut (6) is provided with fork (8), the center of described outer hub (1) is provided with star-wheel (4), described star-wheel (4) inside is provided with circular-arc torsion spring (5), be provided with retainer (2) between described outer hub (1) and the described star-wheel (4), one end of described torsion spring (5) is fixed on the described star-wheel (4), the other end of described torsion spring (5) is fixed on the described retainer (2), also evenly be provided with six rollers (3) between described outer hub (1) and the described star-wheel (4), described six rollers (3) are arranged on same circumference, the outer ring of described retainer (2) forms an outer shroud (11), the inner ring of described retainer (2) forms ring (12) in, the upper end of described star-wheel (4) is provided with dust-proof cover (9), described dust-proof cover (9) interior edge face is provided with rubber grommet (10), be provided with interior retainer (14) and outer retainer (15) between ring (12) and the described outer shroud (11) in described, retainer (14) is near ring (12) in described in described, described outer retainer (15) is near described outer shroud (11), evenly be provided with a plurality of fixture blocks (13) between ring (12) and the described outer shroud (11) in described, described fixture block (13) is arranged on same circumference, evenly be provided with a plurality of springs (16) between retainer (14) and the described outer retainer (15) in described, evenly be provided with clip (17) between described outer retainer (15) and the described outer shroud (11), be provided with friction reed (18) between described interior retainer (14) and the described interior ring (12).
2. according to the described a kind of free wheel device of claim 1, it is characterized in that: the cross section of described star-wheel (4) is an even number regular polygon structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202911904U CN201786972U (en) | 2010-08-13 | 2010-08-13 | Overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202911904U CN201786972U (en) | 2010-08-13 | 2010-08-13 | Overrunning clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786972U true CN201786972U (en) | 2011-04-06 |
Family
ID=43818935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202911904U Expired - Fee Related CN201786972U (en) | 2010-08-13 | 2010-08-13 | Overrunning clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786972U (en) |
-
2010
- 2010-08-13 CN CN2010202911904U patent/CN201786972U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20110813 |