CN103244578B - Freewheel clutch - Google Patents
Freewheel clutch Download PDFInfo
- Publication number
- CN103244578B CN103244578B CN201310179880.9A CN201310179880A CN103244578B CN 103244578 B CN103244578 B CN 103244578B CN 201310179880 A CN201310179880 A CN 201310179880A CN 103244578 B CN103244578 B CN 103244578B
- Authority
- CN
- China
- Prior art keywords
- drive element
- active member
- tooth
- freewheel clutch
- facade
- 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.)
- Active
Links
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention provides a kind of freewheel clutch, this freewheel clutch includes: active member, rotatably arranged with and can move along its axis, active member has the first tooth, and the first tooth has the first inclined-plane and along axially extended first facade of active member；Drive element, rotatably arranged with, drive element has the second tooth, and the second tooth has the second inclined-plane and along axially extended second facade of drive element；Wherein, the first facade and the second facade matches so that drive element is driven by active member, the first inclined-plane and the second inclined-plane match so that when active member rotating speed is less than the rotating speed of drive element, drive element drives active member along it axially away from drive element。The freewheel clutch of the present invention completes the driving between active member and drive element by the cooperation of the first tooth and the second tooth and surmounts, without installing friction, wedge-caulking device between active member and drive element so that the overall structure of freewheel clutch is simpler, reliable。
Description
Technical field
The present invention relates to connector technique field, in particular to a kind of freewheel clutch。
Background technology
As shown in Figure 1 to Figure 2, in the prior art, freewheel clutch is divided into roller-type overrunning clutch and diagonal-bracing type freewheel clutch, roller-type overrunning clutch and diagonal-bracing type freewheel clutch make roller 50 ＇ or the pre-wedging of diagonal brace roller 60 ＇ between active member 10 ＇ and drive element 20 ＇ each through spring assembly 40 ＇, when a direction operating, relative motion trend is had between active member 10 ＇ and drive element 20 ＇, frictional force makes roller 50 ＇ or diagonal brace roller 60 ＇ wedging between active member 10 ＇ and drive element 20 ＇, transmission moment of torsion, and antiport, frictional force overcomes spring force, roller 50 ＇ or diagonal brace roller 60 ＇ is made to depart from wedging state, disengage between active member 10 ＇ and drive element 20 ＇, realization surmounts。But roller-type overrunning clutch and diagonal-bracing type freewheel clutch are all the transmission adopting the wedging structure being radially arranged to carry out moment of torsion, thus volume is bigger, structure is complicated, and not easily compensated by the roller-type overrunning clutch of frictional force transmission load and the abrasion of diagonal-bracing type freewheel clutch, there is overload upset or skidding。
Summary of the invention
It is desirable to provide the freewheel clutch of a kind of simple in construction。
To achieve these goals, the invention provides a kind of freewheel clutch, including active member, rotatably arranged with and can move along its axis, active member has the first tooth, and the first tooth has the first inclined-plane and along axially extended first facade of active member；Drive element, rotatably arranged with, drive element has the second tooth, and the second tooth has the second inclined-plane and along axially extended second facade of drive element；Wherein, first facade and the second facade matches so that drive element is driven by active member, first inclined-plane and the second inclined-plane match so that when the rotating speed of active member is less than the rotating speed of drive element, drive element drives active member along it axially away from drive element。
Further, axially extending along active member of the first tooth, the first inclined-plane and the first facade are oppositely arranged。
Further, axially extending along drive element of the second tooth, the second inclined-plane and the second facade are oppositely arranged。
Further, the first tooth is multiple, has the first axial grooving between two adjacent the first teeth。
Further, multiple first teeth are uniformly distributed along the circumference of active member。
Further, the second tooth is multiple, has the second axial grooving between two adjacent the second teeth。
Further, multiple second teeth are uniformly distributed along the circumference of drive element。
Further, active member being provided with the installing hole for holding power shaft, power shaft is provided with projection, and the inwall of installing hole is provided with the chute coordinated with projection。
Further, chute is tip chute。
Further, tip chute is spiral chute。
In the inventive solutions, when the rotating speed of active member is more than the rotating speed of drive element, the first facade and the engagement of the second facade, active member drives drive element to rotate。When the rotating speed of drive element is more than the rotating speed of active member, second inclined-plane and the engagement of the first inclined-plane, by the cooperation between the first inclined-plane and the second inclined-plane, drive element is while driving active member to rotate, active member is also driven to carry out axial movement, make active member away from drive element, it is achieved driving and driven element separates, and completes surmounting of drive element。The freewheel clutch of phase comparison prior art, the freewheel clutch of the present invention completes the driving between active member and drive element by the cooperation of the first tooth and the second tooth and surmounts, without installing rubbing device or wedge-caulking device between active member and drive element so that the overall structure of freewheel clutch is simpler, reliable。
Accompanying drawing explanation
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention。In the accompanying drawings:
Fig. 1 illustrates the structural representation of roller-type overrunning clutch of the prior art；
Fig. 2 illustrates the structural representation of diagonal-bracing type freewheel clutch of the prior art；
Fig. 3 illustrates the schematic front view of the embodiment of the freewheel clutch according to the present invention；
Fig. 4 illustrates the schematic perspective view of the first angle of the freewheel clutch of Fig. 3；And
Fig. 5 illustrates the schematic perspective view of the second angle of the freewheel clutch of Fig. 3。
Accompanying drawing labelling in above-mentioned each accompanying drawing is as follows:
10, active member；11, the first tooth；111, the first facade；112, the first inclined-plane；13, spiral chute；20, drive element；21, the second tooth；211, the second facade；212, the second inclined-plane；30, power shaft；31, projection；10 ＇, active member；20 ＇, drive element；40 ＇, spring assembly；50 ＇, roller；60 ＇, diagonal brace roller。
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined。Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail。
Fig. 3 to Fig. 5 illustrates the structural representation of the overrunning clutch of the present embodiment, as can be seen from the figure, the overrunning clutch of the present embodiment includes active member 10 and drive element 20, wherein, the rotating setting of active member 10 also can move vertically, being provided with the first tooth 11 on active member 10, this first tooth 11 has the first inclined-plane 112 and axially extended first facade 111 along active member 10。Drive element 20 rotatably arranged with, drive element 20 is provided with the second tooth 21, this second tooth 21 has the second inclined-plane 212 and axially extended second facade 211 along drive element 20, second tooth 21 is coordinated with the first facade 111 by the second facade 211, is coordinated with the first inclined-plane 112 by the second inclined-plane 212。When the rotating speed of active member 10 is more than the rotating speed of drive element 20, the first facade 111 engages with the second facade 211, and active member 10 drives drive element 20 to rotate。When the rotating speed of drive element 20 is more than the rotating speed of active member 10, second inclined-plane 212 engages with the first inclined-plane 112, by the cooperation between the first inclined-plane 112 and the second inclined-plane 212, drive element 20 is while driving active member 10 to rotate, also drive active member 10 axially moving along active member 10, active member 10 is made to depart from drive element 20, it is achieved surmounting of drive element 20。The freewheel clutch of phase comparison prior art, the freewheel clutch of the present embodiment completes the driving between active member 10 and drive element 20 by the cooperation of the first tooth and the second tooth and surmounts, without installing friction, wedge-caulking device between active member 10 and drive element 20 so that the overall structure of freewheel clutch is simpler, reliable。
In the present embodiment, the first tooth 11 and the second tooth 21 are multiple, it is preferable that the first tooth 11 and the second tooth 21 are axial tooth, so can reduce the radial dimension of active member 10 and drive element 20。First tooth 11 is along the axially extending of active member 10 and protrudes from active member 10, and the setting of the second tooth 21 is similar to the first tooth 11, along the axially extending of drive element 20 and protrude from drive element 20。When the first tooth 11 and the second tooth 21 are axial tooth, the first facade 111 and the first inclined-plane 112 on the first tooth 11 are oppositely arranged, and the first facade 111 extends along the axis of active member 10。Second facade 211 of the second tooth 21 and the second inclined-plane 212 are oppositely arranged, and the second facade 211 extends along the axis of drive element 20。Preferably, multiple first teeth 11 are uniformly distributed along the circumference of active member 10, and multiple second teeth 21 are uniformly distributed along the circumference of drive element 20。
The freewheel clutch of the present embodiment is in use, the active member 10 being axially moveable, the first tooth 11 on active member 10 is made to engage each other with the second tooth 21 on drive element 20, namely each first tooth 11 is respectively positioned between two the second adjacent teeth 21, and each second tooth 21 is respectively positioned between two the first adjacent teeth 11。When active member 10 drives drive element 20 to rotate, first facade 111 of the first tooth 11 and the second facade 211 of the second tooth 21 engage each other, second facade 211 of the second tooth 21 is applied First Driving Force by the first facade 111 by the first tooth 11, the second tooth 21 is made together to rotate with the first tooth 11, so that active member 10 drives drive element 20 to rotate。Owing to the First Driving Force between the first tooth 11 and the second tooth 21 is the tangential force carrying out transmitting between two facades, so other motion does not occur drive element 20 except rotating。
When the rotating speed of drive element 20 is more than active member 10, the power shaft 30 that active member 10 carries out rotating is driven to stop operating, being disengaged from state between the first facade 111 and the second facade 211, the second inclined-plane 212 and the first inclined-plane 112 engage each other, and drive element 20 starts to drive active member 10。Drive element 20 is while rotating, by the second inclined-plane 212, first inclined-plane 112 is applied the second driving force, owing to the second driving force is to produce between two inclined-planes, therefore the second driving force that the first inclined-plane 112 is applied by the second inclined-plane 212 can be decomposed into tangential force and axial force, rotate under the driving of the tangential force that active member 10 decomposites at the second driving force, axially-movable is there is under the driving of the axial force decomposited at the second driving force, under the driving of drive element 20, active member 10 carry out rotating axially simultaneously away from drive element 20 until active member 10 completely disengages from drive element 20, now, drive element 20 dallies, realization surmounts。
The active member 10 of the freewheel clutch of the present embodiment is driven rotation by power shaft 30, active member 10 is provided with the installing hole for holding power shaft 30 away from one end of the first tooth 11, power shaft 30 is provided with projection 31, the inwall of installing hole is provided with the chute carrying out coordinating with projection 31, this chute is the tip chute that the axis with installing hole has certain angle, preferably, tip chute is the spiral chute 13 suitable with the projection 31 being arranged on power shaft 30。When power shaft 30 rotates, active member 10, under the driving of projection 31 with spiral chute 13 coordinates, moves to drive element 20 from the initial position away from drive element 20 along axis, so that active member 10 and drive element 20 are engaged。When the rotating speed of drive element 20 is more than active member 10, power shaft 30 stops operating, active member 10 is subject to the axial force distribution of drive element 20, under the cooperation of projection 31 and spiral chute 13, active member 10 carries out axial movement to initial position, and it is gradually distance from drive element 20, until active member 10 and drive element 20 completely disengage from, return to initial position。
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations。All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (9)
1. a freewheel clutch, it is characterised in that including:
Active member (10), rotatably arranged with and can move along its axis, described active member (10) has the first tooth (11), and described first tooth (11) has the first inclined-plane (112) and along axially extended first facade (111) of described active member (10)；
Drive element (20), rotatably arranged with, described drive element (20) has the second tooth (21), and described second tooth (21) has the second inclined-plane (212) and along axially extended second facade (211) of described drive element (20)；
Wherein, described first facade (111) is matched with described second facade (211) so that described drive element (20) is driven by described active member (10), described first inclined-plane (112) is matched with described second inclined-plane (212) so that when the rotating speed of described active member (10) is less than the rotating speed of described drive element (20), described drive element (20) drives described active member (10) along it axially away from described drive element (20)；
Described active member (10) is provided with the installing hole for holding power shaft (30), described power shaft (30) is provided with projection (31), and the inwall of described installing hole is provided with the chute coordinated with described projection (31)；
Described chute is have the tip chute of certain angle with the axis of described installing hole, and described tip chute is the spiral chute (13) suitable with the described projection (31) being arranged on described power shaft (30)；When described power shaft (30) rotates, described active member (10) is under the driving of described projection (31) with described spiral chute (13) coordinates, move to described drive element (20) from the initial position away from described drive element (20) along axis, so that described active member (10) and described drive element (20) are engaged；When the rotating speed of described drive element (20) is more than described active member (10), described power shaft (30) stops operating, described active member (10) is subject to the axial force distribution of described drive element (20), under the cooperation of described projection (31) and described spiral chute (13), described active member (10) carries out axial movement to initial position, and it is gradually distance from described drive element (20), until described active member (10) and described drive element (20) completely disengage from, return to initial position。
2. freewheel clutch according to claim 1, it is characterized in that, axially extending along described active member (10) of described first tooth (11), described first inclined-plane (112) and described first facade (111) are oppositely arranged。
3. freewheel clutch according to claim 1, it is characterized in that, axially extending along described drive element (20) of described second tooth (21), described second inclined-plane (212) and described second facade (211) are oppositely arranged。
4. freewheel clutch according to claim 1, it is characterised in that described first tooth (11), for multiple, has the first axial grooving between two adjacent described first teeth (11)。
5. freewheel clutch according to claim 4, it is characterised in that multiple described first teeth (11) are uniformly distributed along the circumference of described active member (10)。
6. freewheel clutch according to claim 1, it is characterised in that described second tooth (21), for multiple, has the second axial grooving between two adjacent described second teeth (21)。
7. freewheel clutch according to claim 6, it is characterised in that multiple described second teeth (21) are uniformly distributed along the circumference of described drive element (20)。
8. freewheel clutch according to claim 1, it is characterised in that described chute is tip chute。
9. freewheel clutch according to claim 8, it is characterised in that described tip chute is spiral chute (13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179880.9A CN103244578B (en) | 2013-05-15 | 2013-05-15 | Freewheel clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179880.9A CN103244578B (en) | 2013-05-15 | 2013-05-15 | Freewheel clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103244578A CN103244578A (en) | 2013-08-14 |
| CN103244578B true CN103244578B (en) | 2016-06-22 |
Family
ID=48924329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310179880.9A Active CN103244578B (en) | 2013-05-15 | 2013-05-15 | Freewheel clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103244578B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653656A (en) * | 2013-11-22 | 2015-05-27 | 中国航空工业集团公司西安飞机设计研究所 | One-way constant-torque clutch |
| CN104186118B (en) * | 2014-08-28 | 2017-02-01 | 湖州思达机械制造有限公司 | Driven wheel overrunning clutch device for harvester |
| CN105134824B (en) * | 2015-08-04 | 2017-10-10 | 武城县绿舟新能源电动车研发有限公司 | Save bidirectional clutch |
| CN106481691B (en) * | 2015-08-28 | 2020-11-06 | 约翰迪尔（天津）有限公司 | Bi-directional overrunning clutch and power transmission system including the same |
| CN106989117B (en) * | 2017-04-28 | 2019-04-23 | 中国航发湖南动力机械研究所 | Mechanical contrate-gear-type clutch |
| WO2020220210A1 (en) * | 2019-04-29 | 2020-11-05 | 江苏华风科技有限公司 | Electric winch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271941A (en) * | 1979-03-01 | 1981-06-09 | Facet Enterprises, Inc. | Retarder controlled overrunning clutch with an axially inclined slot and pin |
| US5964332A (en) * | 1996-09-05 | 1999-10-12 | King; Christopher D. | Rear hub drive engagement mechanism |
| CN2577040Y (en) * | 2001-12-31 | 2003-10-01 | 杨通河 | Overdrive clutch |
| EP2450589A1 (en) * | 2009-06-29 | 2012-05-09 | Tao Hong | Spatial wedgeing friction overrunning clutch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1176585A (en) * | 1979-01-12 | 1984-10-23 | Facet Enterprises, Inc. | Retarder controlled overrunning clutch with helical splines |
-
2013
- 2013-05-15 CN CN201310179880.9A patent/CN103244578B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271941A (en) * | 1979-03-01 | 1981-06-09 | Facet Enterprises, Inc. | Retarder controlled overrunning clutch with an axially inclined slot and pin |
| US5964332A (en) * | 1996-09-05 | 1999-10-12 | King; Christopher D. | Rear hub drive engagement mechanism |
| CN2577040Y (en) * | 2001-12-31 | 2003-10-01 | 杨通河 | Overdrive clutch |
| EP2450589A1 (en) * | 2009-06-29 | 2012-05-09 | Tao Hong | Spatial wedgeing friction overrunning clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103244578A (en) | 2013-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103244578B (en) | Freewheel clutch | |
| RU2652332C1 (en) | Vehicle and hill start assist for it | |
| JP2013518644A5 (en) | ||
| TW201736157A (en) | Freewheel mechanism | |
| EP2848428A1 (en) | Driving device for a hub | |
| US9562575B2 (en) | Ratchet type one-way clutch | |
| US6637571B2 (en) | Input engaging clutch | |
| JP2012026573A5 (en) | ||
| JP2015145721A5 (en) | ||
| CN205864170U (en) | motor power follower | |
| WO2015135453A1 (en) | Reducer with double-clutch structure | |
| US9651100B2 (en) | Clutch assembly with friction pads and a clutch cylinder | |
| CN205331268U (en) | Freewheel clutch clutching mechanism and clutch | |
| CN105952812A (en) | Non-contact rolling column overrunning clutch | |
| CN206072163U (en) | A kind of one-way clutch | |
| US9033841B2 (en) | Window treatment operating apparatus with cycloidal drive | |
| CN105952815A (en) | Automatic tooth-embedded clutch | |
| KR20150015435A (en) | Over-running clutch | |
| CN205715351U (en) | A kind of jaw clutch automatically | |
| TW201718332A (en) | Freewheel mechanism | |
| JP2012225362A (en) | Reverse input shutoff clutch | |
| JP6848639B2 (en) | One-way clutch device | |
| CN203784206U (en) | Reduceradopting double-clutch structure | |
| KR20140007668A (en) | Compelling-type centrifugal clutch device with c-shaped joint structure | |
| CN202520817U (en) | One-way overrunning clutch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |