CN212131115U - Spiral pawl type bidirectional driving one-way overrunning clutch - Google Patents
Spiral pawl type bidirectional driving one-way overrunning clutch Download PDFInfo
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- CN212131115U CN212131115U CN202020388232.XU CN202020388232U CN212131115U CN 212131115 U CN212131115 U CN 212131115U CN 202020388232 U CN202020388232 U CN 202020388232U CN 212131115 U CN212131115 U CN 212131115U
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- gear
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- coupling sleeve
- reverse
- reverse gear
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- 230000002457 bidirectional effect Effects 0.000 title claims description 7
- 230000008878 coupling Effects 0.000 claims abstract description 109
- 238000010168 coupling process Methods 0.000 claims abstract description 109
- 238000005859 coupling reaction Methods 0.000 claims abstract description 109
- 238000013016 damping Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 abstract 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses a one-way freewheel clutch of spiral pawl formula both-way drive, reverse gear coupling sleeve's hole with the meshing of first driving gear off-axial spline, just be provided with on reverse gear coupling sleeve's the hole edge with reverse gear coupling sleeve coupling tooth of reverse gear end face gear pair inside groove looks adaptation, the hole of preceding gear coupling sleeve with the meshing of second driving gear off-axial spline, and be provided with on preceding gear coupling sleeve's the hole edge with the preceding gear coupling sleeve coupling tooth that keeps off of preceding gear end face gear pair inside groove looks adaptation, the cover is equipped with first damping elastic component on the outward flange of reverse gear coupling sleeve, the cover is equipped with second damping elastic component on the outward flange of preceding gear coupling sleeve, the one end of guide runs through preceding gear end face gear pair. Therefore, the purposes of forward gear sliding, no noise during sliding, motor braking during reverse gear, reduction of abrasion of the one-way clutch, service life prolonging and clutch working efficiency improvement of the electric vehicle are achieved.
Description
Technical Field
The utility model relates to an electric automobile power assembly technical field especially relates to a spiral pawl formula bidirectional drive one-way freewheel clutch.
Background
At present, with the development of society and the requirement of environmental protection trip, an electric vehicle as a very environmental-friendly vehicle is more and more introduced into people's lives, in the vehicle driving process, a motor and a vehicle are always in a combined state, and the motor is separated from a transmission gear without a clutch, so that the vehicle drives the motor and a power part to run when sliding under the non-accelerated state, thereby bringing resistance to the sliding of the vehicle, shortening the driving mileage of the vehicle and increasing mechanical wear.
In order to overcome the above problems, some of the existing two-gear variable speed motors have a one-way clutch installed at a certain gear, and the most common one-way clutch is a spring ball type one-way clutch, which has the following disadvantages: the spring force is large, and the rolling ball is not flexible when the gear rotates reversely, so that the rolling ball is eccentrically worn: the spring is easy to fatigue, wear and crush, and the one-way clutch is easy to slip, so that the working efficiency of the clutch is low and the service life of the clutch is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spiral pawl formula bidirectional drive one-way freewheel clutch aims at solving the one-way clutch's among the prior art easily receives wearing and tearing, and life is lower, the technical problem that work efficiency is low.
In order to achieve the purpose, the utility model discloses a spiral pawl type bidirectional drive one-way overrunning clutch, including the power shaft, and have set gradually reverse gear face gear pair, reverse gear coupling sleeve, driving gear, preceding gear coupling sleeve, preceding gear face gear pair and guide along the length extending direction of power shaft, the power shaft with reverse gear face gear pair with advance gear face gear pair meshing, reverse gear face gear pair has at least one reverse gear face gear pair inside groove, preceding gear face gear pair has at least one preceding gear face gear pair inside groove;
the driving gear is connected with the power shaft in a sliding way, a first driving gear shaft external spline and a second driving gear shaft external spline are respectively arranged at two ends of the driving gear, an inner hole of the reverse gear coupling sleeve is meshed with the first driving gear shaft external spline, at least one reverse gear coupling sleeve coupling tooth matched with the inner groove of the reverse gear end face gear pair is arranged on the edge of the inner hole of the reverse gear coupling sleeve, an inner hole of the forward gear coupling sleeve is meshed with the second driving gear shaft external spline, at least one forward gear coupling sleeve coupling tooth matched with the inner groove of the forward gear end face gear pair is arranged on the edge of the inner hole of the forward gear coupling sleeve, a first damping elastic piece is sleeved on the outer edge of the reverse gear coupling sleeve, a bulge on the first damping elastic piece is sleeved on the outer edge of the forward gear coupling sleeve, and a second damping elastic piece is sleeved on the outer edge of the forward gear coupling sleeve, and the second damping elastic part is provided with a groove, and one end of the guide part penetrates through the gear pair at the end face of the forward gear and is matched with the groove.
Wherein, the power shaft external splines have on the outer lane of power shaft, reverse gear end face gear pair internal splines have on reverse gear end face gear pair's the hole, the vice internal splines of fender end face gear that has before on the vice hole of fender end face gear that moves ahead have and keep off the vice internal splines of end face gear, just the power shaft external splines respectively with reverse gear end face gear pair internal splines with the vice internal splines meshing of fender end face gear that moves ahead is connected.
And an inner hole of the reverse gear connecting sleeve is provided with a reverse gear connecting sleeve inner spline.
And the inner hole of the forward gear coupling sleeve is provided with a forward gear coupling sleeve internal spline.
Wherein the reverse gear coupling sleeve is provided with a first hoop groove on the outer edge for mounting the first damping elastic piece.
Wherein the outer edge of the forward gear coupling sleeve is provided with a second hoop groove for mounting the second damping elastic piece.
The number of the internal grooves of the reverse gear end face gear pair is four, and the four internal grooves of the reverse gear end face gear pair are uniformly distributed along the circumferential direction of the reverse gear end face gear pair.
The reverse gear connecting sleeve comprises a reverse gear connecting sleeve body, a reverse gear connecting sleeve and a reverse gear connecting sleeve, wherein the number of the reverse gear connecting sleeve connecting teeth is two, and the two reverse gear connecting sleeve connecting teeth are uniformly distributed along the circumferential direction of the reverse gear connecting sleeve.
The number of the front baffle end face gear pair internal grooves is four, and the four front baffle end face gear pair internal grooves are uniformly distributed along the circumferential direction of the front baffle end face gear pair.
The number of the connecting teeth of the forward gear connecting sleeve is two, and the two connecting teeth of the forward gear connecting sleeve are uniformly distributed along the circumferential direction of the forward gear connecting sleeve.
The beneficial effects of the utility model are embodied in: the power shaft is meshed with the reverse gear end face gear pair and the forward gear end face gear pair, the reverse gear end face gear pair is provided with at least one reverse gear end face gear pair internal groove, and the forward gear end face gear pair is provided with at least one forward gear end face gear pair internal groove; the driving gear is connected with the power shaft in a sliding way, the inner hole of the reverse gear coupling sleeve is meshed with the external spline of the first driving gear shaft, the edge of the inner hole of the reverse gear coupling sleeve is provided with at least one reverse gear coupling sleeve coupling tooth matched with the internal groove of the reverse gear end face gear pair, the inner hole of the forward gear coupling sleeve is meshed with the external spline of the second driving gear shaft, the edge of the inner hole of the forward gear coupling sleeve is provided with at least one forward gear coupling sleeve coupling tooth matched with the internal groove of the forward gear end face gear pair, the outer edge of the reverse gear coupling sleeve is sleeved with a first damping elastic piece, a bulge on the first damping elastic piece is sleeved with a second damping elastic piece, the second damping elastic piece is provided with a groove, and one end of the guide piece penetrates through the forward gear end face gear pair, and is mutually matched with the groove. The electric vehicle has the advantages that the forward gear of the electric vehicle slides without noise during sliding, the reverse gear can be braked by a motor, the abrasion of the one-way clutch is reduced, the service life is prolonged, and the working efficiency of the clutch is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the structure of the spiral pawl type bi-directional driving one-way overrunning clutch of the present invention.
Fig. 2 is a sectional view of the spiral pawl type bi-directional driving one-way overrunning clutch of the present invention.
Fig. 3 is a schematic structural view of the first damping elastic member of the present invention.
Fig. 4 is a schematic structural view of the second damping elastic member of the present invention.
Fig. 5 is a schematic structural view of a forward gear end gear pair of the present invention.
1-power shaft, 2-reverse gear end face gear pair, 3-reverse gear coupling sleeve, 4-first damping elastic part, 5-driving gear, 6-guide part, 7-second damping elastic part, 8-forward gear coupling sleeve, 9-forward gear end face gear pair, 11-power shaft external spline, 21-reverse gear end face gear pair internal spline, 22-reverse gear end face gear pair internal groove, 31-reverse gear coupling sleeve internal spline, 32-reverse gear coupling sleeve coupling tooth, 33-first hoop groove, 41-bulge, 51-first driving gear shaft external spline, 52-second driving gear shaft external spline, 81-forward gear coupling sleeve internal spline, 82-forward gear coupling sleeve coupling tooth, 83-second hoop groove, 71-groove, 91-forward gear end face gear pair internal spline, 92-front gear pair inner groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 5, the utility model provides a spiral pawl type bidirectional drive one-way overrunning clutch, which comprises a power shaft 1 and a reverse gear end face gear pair 2, a reverse gear coupling sleeve 3, a driving gear 5, a forward gear coupling sleeve 8, a forward gear end face gear pair 9 and a guide piece 6 which are sequentially arranged along the length extending direction of the power shaft 1, wherein the power shaft 1 is meshed with the reverse gear end face gear pair 2 and the forward gear end face gear pair 9, the reverse gear end face gear pair 2 is provided with at least one reverse gear end face gear pair internal groove 22, and the forward gear end face gear pair 9 is provided with at least one forward gear end face gear pair internal groove 92;
the driving gear 5 is connected with the power shaft 1 in a sliding way, a first driving gear shaft external spline 51 and a second driving gear shaft external spline 52 are respectively arranged at two ends of the driving gear 5, an inner hole of the reverse gear coupling sleeve 3 is meshed with the first driving gear shaft external spline 51, at least one reverse gear coupling sleeve coupling tooth 32 matched with the reverse gear end face gear pair inner groove 22 is arranged on the edge of an inner hole of the reverse gear coupling sleeve 3, an inner hole of the forward gear coupling sleeve 8 is meshed with the second driving gear shaft external spline 52, at least one forward gear coupling sleeve coupling tooth matched with the forward gear end face gear pair inner groove 92 is arranged on the edge of an inner hole of the forward gear coupling sleeve 8, a first damping elastic piece 4 is sleeved on the outer edge of the reverse gear coupling sleeve 3, a bulge 41 on the first damping elastic piece 4 is sleeved on the outer damping outer edge of the forward gear coupling sleeve 8, a second elastic piece 7 is sleeved on the outer damping outer edge of the forward gear coupling sleeve 8, and the second damping elastic member 7 has a groove 71, and one end of the guide member 6 penetrates through the front windshield end gear pair 9 and is matched with the groove 71.
The utility model discloses a gear shaft, including power shaft 1, power shaft 2, reverse gear end face gear pair 2, power shaft outer spline 11 has on the outer lane of power shaft 1, reverse gear end face gear pair internal spline 21 has on reverse gear end face gear pair's the hole, the vice internal spline 91 of gear end face that keeps off has before on the vice hole of 9 of gear end face that keeps off moves ahead, just power shaft outer spline 11 respectively with reverse gear end face gear pair internal spline 21 with the vice internal spline 91 meshing of gear end face gear that keeps off moves ahead is connected.
The inner hole of the reverse gear coupling sleeve 3 is provided with a reverse gear coupling sleeve internal spline 31.
And an inner hole of the forward gear coupling sleeve 8 is provided with a forward gear coupling sleeve inner spline 81.
The reverse gear coupling sleeve 3 has a first hoop groove 33 on the outer edge thereof for mounting the first damping elastic member 4.
The forward gear coupling sleeve 8 has a second hoop groove 83 on the outer edge thereof for mounting the second damping elastic member 7.
The number of the reverse gear end face gear pair inner grooves 22 is four, and the four reverse gear end face gear pair inner grooves 22 are uniformly distributed along the circumferential direction of the reverse gear end face gear pair 2.
The number of the reverse gear connecting sleeve connecting teeth 32 is two, and the two reverse gear connecting sleeve connecting teeth 32 are uniformly distributed along the circumferential direction of the reverse gear connecting sleeve 3.
The number of the front baffle end face gear pair internal grooves 92 is four, and the four front baffle end face gear pair internal grooves 92 are uniformly distributed along the circumferential direction of the front baffle end face gear pair 9.
The number of the coupling teeth 82 of the forward gear coupling sleeve is two, and the two coupling teeth 82 of the forward gear coupling sleeve are uniformly distributed along the circumferential direction of the forward gear coupling sleeve 8.
In the present embodiment, the power shaft 1 is used as a support carrier, the power shaft external spline 11 is arranged on the outer ring of the power shaft 1, the reverse end face gear pair internal spline 21 is arranged in the inner hole of the reverse end face gear pair 2, and the reverse end face gear pair internal grooves 22 are uniformly distributed in the circumferential direction; the power shaft 1 is meshed and connected with the reverse gear end face gear pair 2 through a spline; the power shaft 1 is connected with the driving gear 5 in a sliding manner; the two ends of the driving gear 5 are respectively provided with the first driving gear shaft external spline 51 and the second driving gear shaft external spline 52; the inner hole of the reverse gear connecting sleeve 3 is provided with the reverse gear connecting sleeve internal spline 31 and is uniformly distributed on the reverse gear connecting sleeve connecting teeth 32 in the circumferential direction; the first driving gear shaft external spline 51 is meshed with the reverse gear coupling sleeve internal spline 31, and the reverse gear coupling sleeve 3 can axially slide; the first hoop groove 33 of the reverse gear coupling sleeve 3 is internally provided with the first damping elastic part 4; the first damping elastic part 4 is a damping spring, the first hoop groove 33 can effectively limit the position of the first damping elastic part 4, so that the first damping elastic part is not easy to loosen from the reverse gear coupling sleeve 3, and the protrusion 41 on the first damping elastic part 4 extends into a groove arranged on a shell matched with the protrusion; the inner hole of the forward gear coupling sleeve 8 is provided with the forward gear coupling sleeve internal spline 81, and the forward gear coupling sleeve coupling teeth 82 are uniformly distributed in the circumferential direction; the second driving gear shaft external spline 52 is engaged with the forward gear coupling sleeve internal spline 81, and the forward gear coupling sleeve 8 can axially slide.
The second hoop body on the forward gear coupling sleeve 8 is provided with the second damping elastic part 7; the second damping elastic part 7 is also a damping spring, the second hoop groove 83 can effectively limit the position of the second damping elastic part 7, so that the second damping elastic part is not easy to loosen from the forward gear coupling sleeve 8, the inner hole of the forward gear end face gear pair 9 is provided with the forward gear end face gear pair inner spline 91, and the forward gear end face gear pair inner grooves 92 are uniformly distributed in the circumferential direction; the power shaft 1 is meshed and connected with the front gear face gear pair 9 through a spline; the gear pair 9 at the end face of the forward gear is connected with the guide piece 6 through a bolt; the guide member 6 is a guide screw, and the groove 71 of the second damping elastic member 7 is matched with the guide screw and can axially slide.
Preferably, the number of the internal grooves 22 of the reverse gear face gear pair is four, and the four internal grooves 22 of the reverse gear face gear pair are uniformly distributed along the circumferential direction of the reverse gear face gear pair 2. The number of the reverse gear connecting sleeve connecting teeth 32 is two, and the two reverse gear connecting sleeve connecting teeth 32 are uniformly distributed along the circumferential direction of the reverse gear connecting sleeve 3. The number of the front baffle end face gear pair internal grooves 92 is four, and the four front baffle end face gear pair internal grooves 92 are uniformly distributed along the circumferential direction of the front baffle end face gear pair 9. The number of the coupling teeth 82 of the forward gear coupling sleeve is two, and the two coupling teeth 82 of the forward gear coupling sleeve are uniformly distributed along the circumferential direction of the forward gear coupling sleeve 8.
When the motor drives the vehicle to move forward: the driving gear 5 rotates, the first damping elastic piece 4 does not rotate, and the first driving gear shaft external spline 51 pushes the reverse gear coupling sleeve 3 to axially move away from one end of the reverse gear end face gear pair 2; simultaneously because second damping elastic component 7 with it is asynchronous that preceding fender terminal surface gear pair 9 is rotatory, and the guide effect of guide 6, second driving gear off-axial spline 52 promotes the axial of preceding fender coupling sleeve 8 is kept away from 2 one end of reverse gear terminal surface gear pair, preceding fender coupling sleeve coupling tooth 82 with the meshing of preceding fender terminal surface gear pair inside groove 92, driving gear 5 drives it is rotatory to advance fender terminal surface gear pair 9, and then drives the power shaft 1 is rotatory to promote the vehicle and go ahead.
When the vehicle is coasting downhill: the power shaft 1 drives the front gear face gear pair 9 to rotate, the second driving gear shaft external spline 52 pushes the front gear coupling sleeve 8 to axially approach one end of the reverse gear face gear pair 2, the front gear coupling sleeve coupling teeth 82 are disengaged from the front gear face gear pair internal grooves 92, a power system is interrupted, and the vehicle is in a powerless sliding state; meanwhile, the first driving gear shaft external spline 51 pushes the reverse gear coupling sleeve 3 to axially keep away from one end of the reverse gear face gear pair 2.
When the vehicle runs in reverse gear: the driving gear 5 rotates, the first damping elastic piece 4 does not rotate, the first driving gear shaft external spline 51 pushes the reverse gear connecting sleeve 3 to be axially close to one end of the reverse gear end face gear pair 2, the reverse gear connecting sleeve connecting teeth 32 are meshed with the reverse gear end face gear pair internal grooves 22, and the reverse gear end face gear pair 2 drives the power shaft 1 to rotate, so that the vehicle is pushed to run in a reverse gear; the second driving gear shaft external spline 52 pushes the forward gear coupling sleeve 8 to axially approach one end of the reverse gear end face gear pair 2, and the forward gear coupling sleeve coupling teeth 82 are disengaged from the forward gear end face gear pair internal groove 92.
In summary, the following steps: the utility model discloses can realize the forward gear of electric motor car and coast, noiselessness during the coast, reverse gear but motor brake reduces the wearing and tearing that one-way clutch received, increase of service life promotes clutch work efficiency and this clutch structure volume is less, and the cost is lower, and mechanical reliability is good, has the production practice meaning of great importance.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A spiral pawl type bidirectional driving one-way overrunning clutch is characterized in that,
the transmission device comprises a power shaft, and a reverse gear end face gear pair, a reverse gear connecting sleeve, a driving gear, a forward gear connecting sleeve, a forward gear end face gear pair and a guide piece which are sequentially arranged along the length extending direction of the power shaft, wherein the power shaft is meshed with the reverse gear end face gear pair and the forward gear end face gear pair, at least one reverse gear end face gear pair internal groove is formed in the reverse gear end face gear pair, and the forward gear end face gear pair is provided with at least one forward gear end face gear pair internal groove;
the driving gear is connected with the power shaft in a sliding way, a first driving gear shaft external spline and a second driving gear shaft external spline are respectively arranged at two ends of the driving gear, an inner hole of the reverse gear coupling sleeve is meshed with the first driving gear shaft external spline, at least one reverse gear coupling sleeve coupling tooth matched with the inner groove of the reverse gear end face gear pair is arranged on the edge of the inner hole of the reverse gear coupling sleeve, an inner hole of the forward gear coupling sleeve is meshed with the second driving gear shaft external spline, at least one forward gear coupling sleeve coupling tooth matched with the inner groove of the forward gear end face gear pair is arranged on the edge of the inner hole of the forward gear coupling sleeve, a first damping elastic piece is sleeved on the outer edge of the reverse gear coupling sleeve, a bulge on the first damping elastic piece is sleeved on the outer edge of the forward gear coupling sleeve, and a second damping elastic piece is sleeved on the outer edge of the forward gear coupling sleeve, and the second damping elastic part is provided with a groove, and one end of the guide part penetrates through the gear pair at the end face of the forward gear and is matched with the groove.
2. The helical pawl, bi-directionally driven, one-way overrunning clutch according to claim 1,
the outer lane of power shaft has the power shaft external splines, the vice internal spline of reverse gear face gear has on the hole of reverse gear face gear pair, the vice internal spline of the fender face gear that has before moves on the vice hole of fender face gear, just the power shaft external splines respectively with the vice internal spline of reverse gear face gear with the vice internal spline meshing of fender face gear that moves ahead is connected.
3. The helical pawl, bi-directionally driven, one-way overrunning clutch according to claim 1,
and an inner hole of the reverse gear connecting sleeve is provided with a reverse gear connecting sleeve inner spline.
4. A helical pawl-type bi-directionally driven one-way overrunning clutch according to claim 3,
and an inner hole of the forward gear connecting sleeve is provided with an inner spline of the forward gear connecting sleeve.
5. The helical pawl, bi-directionally driven, one-way overrunning clutch according to claim 1,
the outer edge of the reverse gear coupling sleeve is provided with a first hoop groove for mounting the first damping elastic piece.
6. The helical pawl, bi-directionally driven, one-way overrunning clutch according to claim 5,
and the outer edge of the forward gear coupling sleeve is provided with a second hoop groove for mounting the second damping elastic piece.
7. A helical pawl-type bi-directionally driven overrunning clutch according to any of claims 1 to 6,
the number of the internal grooves of the reverse gear end face gear pair is four, and the four internal grooves of the reverse gear end face gear pair are uniformly distributed along the circumferential direction of the reverse gear end face gear pair.
8. The helical pawl, bi-directionally driven, one-way overrunning clutch according to claim 7,
the reverse gear connecting sleeve comprises two reverse gear connecting sleeve connecting teeth, and the two reverse gear connecting sleeve connecting teeth are uniformly distributed along the circumferential direction of the reverse gear connecting sleeve.
9. The helical pawl, bi-directionally driven, one-way overrunning clutch according to claim 8,
the number of the front baffle end face gear pair internal grooves is four, and the four front baffle end face gear pair internal grooves are uniformly distributed along the circumferential direction of the front baffle end face gear pair.
10. The helical pawl, bi-directionally driven, one-way overrunning clutch according to claim 9,
the number of the front gear connecting sleeve connecting teeth is two, and the two front gear connecting sleeve connecting teeth are uniformly distributed along the circumferential direction of the front gear connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388232.XU CN212131115U (en) | 2020-03-24 | 2020-03-24 | Spiral pawl type bidirectional driving one-way overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020388232.XU CN212131115U (en) | 2020-03-24 | 2020-03-24 | Spiral pawl type bidirectional driving one-way overrunning clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131115U true CN212131115U (en) | 2020-12-11 |
Family
ID=73671248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020388232.XU Expired - Fee Related CN212131115U (en) | 2020-03-24 | 2020-03-24 | Spiral pawl type bidirectional driving one-way overrunning clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131115U (en) |
-
2020
- 2020-03-24 CN CN202020388232.XU patent/CN212131115U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| 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: 20201211 |