CN103307142B - Surface contact type overrun clutch - Google Patents
Surface contact type overrun clutch Download PDFInfo
- Publication number
- CN103307142B CN103307142B CN201310237939.5A CN201310237939A CN103307142B CN 103307142 B CN103307142 B CN 103307142B CN 201310237939 A CN201310237939 A CN 201310237939A CN 103307142 B CN103307142 B CN 103307142B
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- China
- Prior art keywords
- retainer
- shaft
- ring member
- deformed
- tooth sector
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- 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)
- Gear Transmission (AREA)
Abstract
The invention discloses a surface contact type overrun clutch. A main body of the overrun clutch is a drive shaft (1) which is sleeved with an inner ring component, wherein an outer ring (2) is arranged outside the inner ring component; end covers (3) are arranged at two ends of the outer ring (2) respectively; the inner ring component comprises a left holder rack (41), a right holder rack (42), a special-shaped wedge block (5), a sector gear (6) and a round wheel (8); a drive gear (7) is arranged on the drive shaft (1) or the end covers (3) and meshed with the sector gear (6); a positioning bolt (43) is arranged between the left holder rack (41) and the right holder rack (42); and one end of the head of the positioning bolt (43) is located on one side of the sector gear (6). The contact of the special-shaped wedge block (5) and the outer ring (2) or the round wheel (8) adopts cambered contact, so that the overrun clutch is not prone to and has a high bearing capacity.
Description
Technical field
The present invention relates to a kind of clutch, particularly a kind of surface contact type overrun clutch.
Background technique
Free wheel device, also known as overrunning clutch, be widely used in mechanical transmission fields, as pulse-type continuously variable transmission, automobile, aviation etc., existing free wheel device mainly utilize the friction pair such as roller or eccentric voussoir with initiatively, the wedge action of secondary part, thus the friction overdrive clutch of transmitting torque, but this frictional engagement is all linear contact lay or point cantact, bearing capacity is low, very easily wear and tear, and wedging and unlatching have certain surface friction drag, mechanical efficiency is low, high to the requirement of material and manufacturing process, cost is high.
Summary of the invention
Object of the present invention for overcoming above-mentioned deficiency, and provides a kind of eccentric wheel that uses to compress deformed wedge and sealed or claim the surface contact type overrun clutch of wedging secondary part.
The present invention realizes like this, the main body of surface contact type overrun clutch is driving shaft, on this driving shaft, cover has interior ring member, in it, ring member peripheral hardware has outer shroud, outer shroud two ends are respectively equipped with end cap, described interior ring member comprises left retainer, right retainer, described left retainer, around described driving shaft, several deformed wedges are evenly established between right retainer, described deformed wedge is outer arced surface sector unit, the outer arced surface of this sector unit coordinates with described outer shroud and contacts, each deformed wedge center is all by eccentric wheel and eccentric shaft and left retainer, right retainer connects, one end of described eccentric shaft is stretched out left retainer and is fixedly connected with tooth sector at this end of eccentric shaft, this tooth sector is uniformly distributed around driving shaft, described driving shaft is fixedly connected with driving gear, this driving gear is meshed with tooth sector, at described left retainer, holding down bolt is established between right retainer, one end of this holding down bolt head is positioned at tooth sector side.
Another kind of technological scheme of the present invention, the main body of surface contact type overrun clutch is driven shaft, on this driven shaft, cover has interior ring member, in it, ring member peripheral hardware has outer shroud, left end cap is established in outer shroud one end, the other end establishes right end cap, a driving gear is connected inside described left end cap, described interior ring member comprises left retainer, right retainer, described left retainer, around described driven shaft, several deformed wedges are evenly established between right retainer, described deformed wedge is the sector unit of intrados, described driven shaft establishes circular wheel, this circular wheel is fixedly connected with driven shaft, the intrados of described sector unit coordinates with described circular wheel and contacts, described each deformed wedge center is all by eccentric wheel and eccentric shaft and left retainer, right retainer connects, one end of described eccentric shaft is stretched out left retainer and is fixedly connected with tooth sector at this end of eccentric shaft, described tooth sector is meshed with driving gear, at described left retainer, holding down bolt is established between right retainer, one end of this holding down bolt head is positioned at tooth sector side.
Deformed wedge of the present invention is under driving gear, tooth sector effect, lower pair is formed respectively with outer shroud, interior ring member, because the contact of deformed wedge and outer shroud or circular wheel is that cambered surface contacts, so this free wheel device has the features such as not easy to wear, bearing capacity is high, and wedging is reliable, unlatching resistance is almost nil.
Accompanying drawing explanation
Fig. 1 is the structural representation of surface contact type overrun clutch of the present invention.
Fig. 2 is that A-A shown in Fig. 1 is to sectional view.
Fig. 3 is that B-B shown in Fig. 1 is to sectional view.
Fig. 4 is the structural representation of the another kind of mode of execution of surface contact type overrun clutch of the present invention.
Fig. 5 is for C-C shown in Fig. 4 is to sectional view.
Embodiment
As Fig. 1, Fig. 2, shown in Fig. 3, the main body of surface contact type overrun clutch of the present invention is driving shaft 1, on this driving shaft 1, cover has interior ring member, in it, ring member peripheral hardware has outer shroud 2, outer shroud 2 two ends are respectively equipped with end cap 3, described interior ring member comprises left retainer 41, right retainer 42, described left retainer 41, around described driving shaft 1, several deformed wedges 5 are evenly established between right retainer 42, the present embodiment adopts four deformed wedges 5, described deformed wedge 5 is outer arced surface sector unit, the outer arced surface of this sector unit coordinates with the aperture surface of described outer shroud 2 and contacts, the center of each deformed wedge 5 is all by eccentric wheel and eccentric shaft 51 and left retainer 41, right retainer 42 connects, one end of described eccentric shaft 51 is stretched out left retainer 41 and is fixedly connected with tooth sector 6 at this end of eccentric shaft 51, tooth sector 6 cooperation corresponding with deformed wedge 5, so the present embodiment tooth sector 6 is also uniformly distributed four around driving shaft 1, driving shaft 1 is fixedly connected with driving gear 7, this driving gear 7 is meshed with tooth sector 6, at described left retainer 41, holding down bolt 43 is established between right retainer 42, head one end of this holding down bolt 43 is positioned at the side of tooth sector 6.Be provided with certain distance between left retainer 41 of the present invention, right retainer 42 and the two joined together by holding down bolt 43, this distance is enough to deformed wedge 5 is moved radially.
Deformed wedge 5 of the present invention is outer arced surface sector unit, and the fan-shaped cambered surface of this deformed wedge 5 coordinates with outer shroud 2 and contacts.Launching deformed wedge 5 is have endoporus and engagement sleeves is contained on eccentric wheel, and the two ends of eccentric shaft 51 penetrate in the hole of left retainer 41, right retainer 42, and can rotate.Driving shaft 1 and driving gear 7 rotate, and are transmitted in tooth sector 6, make tooth sector 6 compress deformed wedge 5 in outer shroud 2 inwall, thus driving shaft 1 and interior ring member and outer shroud 2 unitary rotation.Such the present invention just can realize the effect of free wheel device, and not easy to wear, bearing capacity is high, wedging is reliable, it is almost nil to open resistance.
The endoporus running in bearings of two end caps 3 of the present invention, and be sleeved on driving shaft 1, for at outer shroud 2 two ends inner support outer shroud 2, limit and retrain the radial position of outer shroud 2 and interior ring member and driving shaft 1, and close the driving gear 7 on interior ring member and driving shaft 1.
When driving shaft 1 clockwise direction of the present invention rotates to be greater than outer shroud 2 speed, driving gear 7 is transmitted in described tooth sector 6, eccentric shaft 51 rotate compress deformed wedge 5 on outer shroud 2 inwall, namely so-called sealed or claim wedging, self-locking, be integrated with outer shroud 2 one-tenth and clockwise direction rotates.
It can thus be appreciated that, when the counterclockwise reversed turning of driving shaft 1, tooth sector 6 rotates and deformed wedge 5 is departed from the contact of outer shroud 2, namely so-called unlatching or title are separated wedge or are claimed to be separated, and outer shroud 2 can continue clockwise direction rotation, namely what is called surmounts, when outer shroud 2 rotating speed be greater than driving shaft 1 rotate time, also do and surmount state.
It should be noted that interior ring member and driving shaft 1 can relatively rotate, but amount of exercise is very little.
Another kind of technological scheme of the present invention, as Fig. 4, shown in Fig. 5, the main body of surface contact type overrun clutch is driven shaft 11, on this driven shaft 11, cover has interior ring member, in it, ring member peripheral hardware has outer shroud 2, left end cap 31 is established in outer shroud 2 one end, the other end establishes right end cap 32, described left end cap 31 is fixedly connected with driving gear 7, described interior ring member comprises left retainer 41, right retainer 42, described left retainer 41, around described driven shaft 11, several deformed wedges 5 are evenly established between right retainer 42, the present embodiment adopts four deformed wedges 5, described deformed wedge 5 is the sector unit of intrados, described driven shaft 11 is fixedly connected with circular wheel 8, the intrados of described sector unit coordinates with described circular wheel 8 and contacts, described each deformed wedge 5 center is all by eccentric wheel and eccentric shaft 51 and left retainer 41, right retainer 42 connects, one end of described eccentric shaft 51 is stretched out left retainer 41 and is provided with tooth sector 6 at this end of eccentric shaft 51, described tooth sector 6 is meshed with driving gear 7, at described left retainer 41, holding down bolt 43 is established between right retainer 42, one end of this holding down bolt 43 head is positioned at tooth sector 6 side, left retainer 41 of the present invention, keep certain distance between right retainer 42 and by holding down bolt 43, the two joined together, this distance is enough to deformed wedge 5 is moved radially.
This kind of mode of execution is the cambered surface of the deformed wedge 5 changed on described interior ring member is interior radial cambered surface.Driven shaft 11 is fixed circular wheel 8, fixing circular wheel 8 coordinates with deformed wedge 5 cambered surface and contacts in the middle of left retainer 41, right retainer 42, driving gear 7 fixing on left end cap 31 engages with tooth sector 6, when outer shroud 2 and left end cap 31 active rotation, driving gear 7 rotates, and driving gear 7 transmission tooth sector 6, deformed wedge 5, to internal diameter direction displacement, compress circular wheel 8 and driven shaft 11, namely so-called sealed, outer shroud 2 driving link and interior ring member, driven shaft 11 unitary rotation.When outer shroud 2 initiatively turns round or when driven shaft 11 rotating speed is greater than outer shroud 2 driving link, driven shaft 11 is for surmounting state.
In technological scheme of the present invention, suitably small gap is kept with the surface of contact of driven member in order to make driving link deformed wedge 5 when revolution or driven member surmount state, holding down bolt 43 can adopt T-slot bolt, the head of this bolt is close to the side of tooth sector 6, play spline positioning action, also can tightly overlap a shape rubber spring at T-slot bolt head, play a part to slow down and impact and reduce vibration.
Claims (2)
1. a surface contact type overrun clutch, it is characterized in that: the main body of this free wheel device is driving shaft (1), the upper cover of this driving shaft (1) has interior ring member, in it, ring member peripheral hardware has outer shroud (2), outer shroud (2) two ends are respectively equipped with end cap (3), described interior ring member comprises left retainer (41), right retainer (42), described left retainer (41), around described driving shaft (1), several deformed wedges (5) are evenly established between right retainer (42), described deformed wedge (5) is outer arced surface sector unit, the outer arced surface of this deformed wedge (5) coordinates with described outer shroud (2) and contacts, each deformed wedge (5) center is all by eccentric wheel and eccentric shaft (51) and left retainer (41), right retainer (42) connects, one end of described eccentric shaft (51) is stretched out left retainer (41) and is fixedly connected with tooth sector (6) at eccentric shaft (51) this end, this tooth sector (6) is uniformly distributed around driving shaft (1), described driving shaft (1) is fixedly connected with driving gear (7), this driving gear (7) is meshed with tooth sector (6), described left retainer (41), holding down bolt (43) is established between right retainer (42), one end of this holding down bolt (43) head is positioned at tooth sector (6) side.
2. a surface contact type overrun clutch, it is characterized in that: the main body of this free wheel device is driven shaft (11), the upper cover of this driven shaft (11) has interior ring member, in it, ring member peripheral hardware has outer shroud (2), left end cap (31) is established in outer shroud (2) one end, the other end establishes right end cap, described left end cap (31) inner side connects a driving gear (7), described interior ring member comprises left retainer (41), right retainer (42), described left retainer (41), around described driven shaft (11), several deformed wedges (5) are evenly established between right retainer (42), the sector unit that described deformed wedge (5) is intrados, described driven shaft (11) is established circular wheel (8), this circular wheel (8) is fixedly connected with driven shaft (11), the intrados of described deformed wedge (5) coordinates with described circular wheel (8) and contacts, described each deformed wedge (5) center is all by eccentric wheel and eccentric shaft (51) and left retainer (41), right retainer (42) connects, one end of described eccentric shaft (51) is stretched out left retainer (41) and is fixedly connected with tooth sector (6) at eccentric shaft (51) this end, described tooth sector (6) is meshed with driving gear (7), described left retainer (41), holding down bolt (43) is established between right retainer (42), one end of this holding down bolt (43) head is positioned at tooth sector (6) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310237939.5A CN103307142B (en) | 2013-06-17 | 2013-06-17 | Surface contact type overrun clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310237939.5A CN103307142B (en) | 2013-06-17 | 2013-06-17 | Surface contact type overrun clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103307142A CN103307142A (en) | 2013-09-18 |
| CN103307142B true CN103307142B (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310237939.5A Expired - Fee Related CN103307142B (en) | 2013-06-17 | 2013-06-17 | Surface contact type overrun clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103307142B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443354B (en) * | 2018-06-07 | 2023-08-04 | 北京独慧科技有限公司 | Non-contact overrunning clutch |
| CN108996263B (en) * | 2018-06-21 | 2021-08-27 | 瑞安市华澳绿康农业科技有限公司 | A partial shipment shedding mechanism for non-viscidity material |
| CN108750712B (en) * | 2018-06-21 | 2021-07-02 | 瑞安市华嘉机械制造有限公司 | Spiral conveying type split charging mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU881422A1 (en) * | 1980-03-20 | 1981-11-15 | Faktorovich Mikhail Yu | Clutch |
| JPS62209230A (en) * | 1986-03-05 | 1987-09-14 | Chuo Manejimento Service Kk | Rotation transmitting mechanism |
| JP2005180572A (en) * | 2003-12-19 | 2005-07-07 | Toshintec Kk | Clutch |
| CN201651228U (en) * | 2010-04-27 | 2010-11-24 | 梁羽翔 | Overrunning gear and device or applying same in epicyclic gear train |
| WO2012010521A1 (en) * | 2010-07-22 | 2012-01-26 | Robert Bosch Gmbh | Load torque lock and a gearbox drive unit having a load torque lock |
| CN102537124A (en) * | 2010-12-30 | 2012-07-04 | 洪涛 | Spatial-wedging friction coupling and spatial-wedging friction safety clutch |
| CN203335681U (en) * | 2013-06-17 | 2013-12-11 | 李军香 | Surface-contact overrun clutch |
-
2013
- 2013-06-17 CN CN201310237939.5A patent/CN103307142B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU881422A1 (en) * | 1980-03-20 | 1981-11-15 | Faktorovich Mikhail Yu | Clutch |
| JPS62209230A (en) * | 1986-03-05 | 1987-09-14 | Chuo Manejimento Service Kk | Rotation transmitting mechanism |
| JP2005180572A (en) * | 2003-12-19 | 2005-07-07 | Toshintec Kk | Clutch |
| CN201651228U (en) * | 2010-04-27 | 2010-11-24 | 梁羽翔 | Overrunning gear and device or applying same in epicyclic gear train |
| WO2012010521A1 (en) * | 2010-07-22 | 2012-01-26 | Robert Bosch Gmbh | Load torque lock and a gearbox drive unit having a load torque lock |
| CN102537124A (en) * | 2010-12-30 | 2012-07-04 | 洪涛 | Spatial-wedging friction coupling and spatial-wedging friction safety clutch |
| CN203335681U (en) * | 2013-06-17 | 2013-12-11 | 李军香 | Surface-contact overrun clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103307142A (en) | 2013-09-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160617 |