CN211648842U - Electric vehicle and overrunning clutch - Google Patents
Electric vehicle and overrunning clutch Download PDFInfo
- Publication number
- CN211648842U CN211648842U CN202020206388.1U CN202020206388U CN211648842U CN 211648842 U CN211648842 U CN 211648842U CN 202020206388 U CN202020206388 U CN 202020206388U CN 211648842 U CN211648842 U CN 211648842U
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- wedge
- inner sleeve
- outer ring
- overrunning clutch
- cover plate
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Abstract
The utility model relates to an electric motor car and freewheel clutch, this freewheel clutch includes: the device comprises an elastic ring, a plurality of wedge-shaped blocks, an inner sleeve and an outer ring which are coaxially arranged; the inner sleeve is arranged on the inner side of the outer ring, each wedge block is arranged between the inner sleeve and the outer ring, each wedge block is provided with a first fixing groove, the other end of each wedge block is movably abutted against the outer ring in each first fixing groove of the elastic ring, and the maximum width of each wedge block is larger than the distance between the inner sleeve and the outer ring. Through set up the wedge between endotheca and outer lane for wedge butt in the outer lane makes the endotheca can drive the outer lane and rotate, and when the motor stall, the wedge resets under the elasticity effect of elastic ring, and disconnection between wedge and the outer lane makes the outer lane still can keep rotating and not receive the stop motion's of motor influence, and the electric motor car can continue to slide under the condition that loses power. The friction torque during sliding can be effectively reduced, the influence on the endurance mileage of the electric vehicle is reduced, and the abrasion of the wedge-shaped block is reduced.
Description
Technical Field
The utility model relates to an electric motor car technical field especially relates to an electric motor car and freewheel clutch.
Background
The overrunning clutch is used for being connected with a power output shaft of the motor and the planetary gear, the planetary gear is connected with wheels of the electric vehicle, when the overrunning clutch is meshed, the power of the motor can be output to the wheels to drive the wheels to rotate, when the overrunning clutch cuts off the power, the power of the motor cannot be output to the wheels, when the rotating speed of the wheels is output by the motor without power exceeds the rotating speed of the motor, the overrunning clutch can be rapidly disengaged, the wheels can conveniently slide and rotate, and meanwhile, the motor is protected.
The traditional overrunning clutch is limited by the structure, the borne rated torque is small, the clutch is easy to block in use, the friction torque is large, the cruising ability of the electric vehicle is low, the roller is seriously abraded, and the service life is short.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for an electric vehicle and an overrunning clutch (high torque overrunning clutch for electric vehicles).
An overrunning clutch comprising: the device comprises an elastic ring, a plurality of wedge-shaped blocks, an inner sleeve and an outer ring which are coaxially arranged;
the inner sleeve is arranged on the inner side of the outer ring, each wedge block is arranged between the inner sleeve and the outer ring, each wedge block is provided with a first fixing groove, the elastic ring is sleeved on the outer side of each wedge block, the elastic ring is arranged in each first fixing groove, one end of each wedge block abuts against the inner sleeve under the elastic action of the elastic ring, the other end of each wedge block movably abuts against the outer ring, the maximum width of each wedge block is larger than the distance between the inner sleeve and the outer ring, and the small width of each wedge block is smaller than the distance between the inner sleeve and the outer ring.
In one embodiment, the roller bearing further comprises a plurality of rollers, each roller is arranged between the inner sleeve and the outer ring, each roller block is provided with a second fixing groove, the elastic ring is sleeved outside each roller and arranged in each second fixing groove, the cross section of each roller is circular, and the rollers abut against the inner sleeve and the outer ring.
In one embodiment, the number of wedge blocks is greater than the number of rollers.
In one embodiment, the rollers are spaced between the wedges.
In one embodiment, each of said rollers is located between two of said wedge blocks.
In one embodiment, the section of one end of each wedge block abutting against the inner sleeve is in a circular arc shape.
In one embodiment, an end surface of each wedge block abutting against one end of the outer ring is a wedge surface.
In one embodiment, the portable electronic device further comprises a shell, the inner sleeve and the outer ring are arranged in the shell, the outer ring is fixedly connected with the shell, a first through hole and a second through hole are respectively formed in two back-facing surfaces of the shell, the middle of the inner sleeve is respectively communicated with the first through hole and the second through hole, and at least one pin is arranged on the radial surface of the shell.
In one embodiment, the housing includes a first cover plate and a second cover plate, the first cover plate is provided with the first through hole, the second cover plate is provided with the second through hole, the first cover plate and the second cover plate are fixedly connected by a rivet, the inner sleeve and the outer ring are disposed between the first cover plate and the second cover plate, the outer ring is provided with a connecting hole, the rivet is inserted into the connecting hole, and each pin is disposed on the second cover plate.
An electric vehicle comprising an overrunning clutch as described in any of the above embodiments.
The utility model has the advantages that: the wedge-shaped block is arranged between the inner sleeve and the outer ring, so that when the inner sleeve rotates under the power of the motor, the friction force between the inner sleeve and the wedge-shaped block drives the wedge-shaped block to swing, so that the wedge-shaped block is abutted against the outer ring, and the inner sleeve can drive the outer ring to rotate, so that the outer ring drives the planetary gear to rotate, when the motor stops rotating, the wedge block resets under the elastic force of the elastic ring, the wedge block is disconnected with the outer ring, so that the outer ring can still keep rotating without being influenced by the stop motion of the motor, the electric vehicle can continue to slide under the condition of losing power, the outer ring is driven to move through the wedge block, the torque can be effectively increased, the inner sleeve connected with the motor shaft is disconnected through the wedge block, the friction torque during sliding can be effectively reduced, the influence on the endurance mileage of the electric vehicle is reduced, meanwhile, the abrasion of the wedge block can be reduced, and the service life of the overrunning clutch is effectively prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of an overrunning clutch according to one embodiment;
FIG. 2 is a schematic perspective exploded view of an overrunning clutch according to one embodiment;
FIG. 3 is a schematic diagram of an internal structure of an overrunning clutch according to one embodiment;
FIG. 4 is a schematic structural view of a wedge block and rollers and a resilient ring of the overrunning clutch according to one embodiment;
FIG. 5 is a schematic view of a connection structure of an overrunning clutch and a planetary gear set according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, an overrunning clutch 10 according to an embodiment of the present invention includes: the elastic ring 220, the plurality of wedge-shaped blocks 210, and the inner sleeve 110 and the outer ring 120 which are coaxially arranged; the inner sleeve 110 is disposed on the inner side of the outer ring 120, each of the wedge-shaped blocks 210 is disposed between the inner sleeve 110 and the outer ring 120, each of the wedge-shaped blocks 210 is provided with a first fixing groove 211, the elastic ring 220 is sleeved on the outer side of each of the wedge-shaped blocks 210, the elastic ring 220 is disposed in each of the first fixing grooves 211, one end of each of the wedge-shaped blocks 210 abuts against the inner sleeve 110 under the elastic force of the elastic ring 220, the other end of each of the wedge-shaped blocks 210 movably abuts against the outer ring 120, the maximum width of the wedge-shaped block 210 is greater than the distance between the inner sleeve 110 and the outer ring 120, and the small width of the wedge-shaped block 210 is less than the distance between the inner sleeve 110 and the outer ring 120.
In this embodiment, the elastic ring 220 is a spring, the inner sleeve 110 is disposed on the inner side of the outer ring 120, the annular movable groove 101 is formed between the inner sleeve 110 and the outer ring 120, the wedge-shaped blocks 210 are arranged in the movable groove 101, and the wedge-shaped blocks 210 surround the outer side of the inner sleeve 110, so that the circular elastic ring 220 can be sleeved on the outer side of each wedge-shaped block 210, and the fixing groove is formed in the side surface of each wedge-shaped block 210, so that the elastic ring 220 can be stably fixed in the fixing groove, and further, the elastic ring 220 can be stably sleeved on the outer side of each wedge-shaped block 210.
In this embodiment, each wedge block 210 abuts against the inner sleeve 110 under the elastic action of the elastic ring 220, so that pressure is generated between the wedge block 210 and the inner sleeve 110, when the inner sleeve 110 rotates, the pressure between the inner sleeve 110 and the wedge block 210 is converted into friction force, the wedge block 210 is driven to swing through the friction force, and since the maximum width of the wedge block 210 is greater than the width of the movable groove 101, one end of the wedge block 210, which is far away from the inner sleeve 110, abuts against the inner side surface of the outer ring 120, and then the inner sleeve 110 drives the outer ring 120 to rotate through the wedge block 210. Specifically, the wedge block 210 is kept in a state of being separated from the outer ring 120 by the elastic force of the elastic ring 220, and when the wedge block 210 receives the friction force of the inner sleeve 110, the wedge block swings around a contact point with the inner sleeve 110 as a fulcrum, so that one end of the wedge block 210, which is far away from the inner sleeve 110, swings against the elastic force of the elastic ring 220 and abuts against the outer ring 120.
Specifically, the inner sleeve 110 is used for connecting a power output shaft of a motor, the inner side of the inner sleeve 110 is provided with a spline 115, the spline 115 is meshed with the power output shaft of the motor, the inner sleeve 110 is driven by the motor to rotate, friction force is applied to the wedge block 210, the wedge block 210 swings against the elastic force of the elastic ring 220, the wedge block 210 abuts against the outer ring 120, the inner sleeve 110 can drive the outer ring 120 to rotate, and the outer ring 120 drives the gear of the planetary gear set to rotate, so that transmission of the electric vehicle is realized. When the power output shaft of the motor stops outputting the power, the inner sleeve 110 stops rotating, the inner sleeve 110 stops outputting the power to the wedge-shaped blocks 210, each wedge-shaped block 210 resets under the elastic force of the elastic ring 220, and then one end, far away from the inner sleeve 110, of each wedge-shaped block 210 is separated from the outer ring 120, so that the outer ring 120 and the gear continue rotating under the inertia effect, the electric vehicle can slide, the influence of the motor in the sliding process is avoided, and the friction and the abrasion between the outer ring 120 and the wedge-shaped blocks 210 in the sliding process are avoided.
In the above embodiment, the wedge block 210 is disposed between the inner sleeve 110 and the outer ring 120, so that when the inner sleeve 110 is rotated by power of the motor, friction between the inner sleeve 110 and the wedge block 210 drives the wedge block 210 to swing, and the wedge block 210 abuts against the outer ring 120, and further the inner sleeve 110 can drive the outer ring 120 to rotate, so that the outer ring 120 drives the planetary gear to rotate, and when the motor stops rotating, the wedge block 210 resets under the elastic force of the elastic ring 220, and the wedge block 210 is disconnected from the outer ring 120, so that the outer ring 120 can still keep rotating without being affected by the stop motion of the motor, the electric vehicle can continue to slide under the condition of losing power, and the wedge block 210 drives the outer ring 120 to move, so as to effectively increase torque, and when the inner sleeve 110 connected with the motor shaft is disconnected by the wedge block 210, friction torque during sliding can be effectively reduced, the influence on the endurance mileage of the electric vehicle is reduced, the abrasion of the wedge block 210 is reduced, and the service life of the overrunning clutch 10 is effectively prolonged.
In order to keep the inner sleeve 110 and the outer ring 120 concentric, so that the operation of the overrunning clutch 10 is more stable, and to avoid the wear of the wedge-shaped block 210 caused by the eccentricity, in an embodiment, please refer to fig. 2 to 4, the overrunning clutch 10 further includes a plurality of rollers 230, each roller 230 is disposed between the inner sleeve 110 and the outer ring 120, each roller 230 is respectively provided with a second fixing groove 231, the elastic ring 220 is sleeved outside each roller 230, the elastic ring 220 is disposed in each second fixing groove 231, the cross-sectional shape of the roller 230 is circular, and the roller 230 abuts against the inner sleeve 110 and the outer ring 120.
In this embodiment, the roller 230 has a cylindrical structure, the side surface of the roller 230 is provided with a second fixing groove 231, and the second fixing groove 231 is provided along the radial direction, so that the roller 230 has a cylindrical dumbbell shape. The second fixing groove 231 is oriented in parallel to a radial direction of the roller 230 and opened in a circumferential direction of the roller 230 so that the elastic ring 220 can be fixed in the second fixing groove 231. Each roller 230 is arranged in the movable groove 101, and two sides of each roller 230 are respectively abutted against the inner sleeve 110 and the outer ring 120, because the rollers 230 are cylinders, the rollers 230 can support the inner sleeve 110 and the outer ring 120, the width of the movable groove 101 is constant, namely, the gap between the inner sleeve 110 and the outer ring 120 is constant, the inner sleeve 110 and the outer ring 120 of the overrunning clutch 10 are concentric, the stress abrasion of part of the wedge-shaped block 210 caused by eccentricity is avoided, the service life of the overrunning clutch 10 is prolonged, the increase of the friction resistance of the overrunning clutch 10 caused by the eccentricity of assembly is avoided, and the endurance mileage of the electric vehicle is reduced by increasing the power loss of the motor.
To provide a more uniform drive force between the outer race 120 and the inner race 110 and to avoid excessive wear from over-stressing individual wedge blocks 210, in one embodiment, the number of wedge blocks 210 is greater than the number of rollers 230. Thus, the wedge-shaped blocks 210 are more in number, so that the transmission force between the outer ring 120 and the inner sleeve 110 can be fully shared, excessive abrasion caused by excessive stress of the single wedge-shaped block 210 is avoided, and the service life of the overrunning clutch 10 is effectively prolonged.
In one embodiment, the rollers are arranged between the wedge blocks at intervals, that is, the rollers and the wedge blocks are sequentially arranged at intervals. In one embodiment, each of the rollers 230 is located between two of the wedge blocks 210. In one embodiment, the rollers 230 and the wedge blocks 210 are arranged in a structure of bamboos between plum blossom, that is, each roller 230 is located between two wedge blocks 210, each wedge block 210 is located between two rollers 230, and the rollers 230 are arranged between the wedge blocks 210 at intervals, so that not only the inner sleeve 110 and the outer ring 120 can be kept concentric, but also the wedge blocks 210 can be uniformly distributed, and a uniform transmission force is provided for the inner sleeve 110 and the outer ring 120, so that the force between the inner sleeve 110 and the outer ring 120 can be uniformly borne by the plurality of uniformly distributed wedge blocks 210. In one embodiment, two or more wedge-shaped blocks 210 are arranged between two adjacent rollers 230, that is, two or more wedge-shaped blocks 210 are respectively arranged on two sides of each roller 230, so that the number of the wedge-shaped blocks 210 is large, the transmission force between the outer race 120 and the inner race 110 can be effectively borne, excessive wear caused by excessive stress on a single wedge-shaped block 210 is avoided, and the service life of the overrunning clutch 10 is effectively prolonged.
In order to enable the wedge-shaped blocks 210 to swing more flexibly when receiving the friction force of the inner sleeve 110, in one embodiment, as shown in fig. 3 and 4, a cross section of one end of each wedge-shaped block 210 abutting against the inner sleeve 110 is a circular arc, that is, one surface of each wedge-shaped block 210 abutting against the inner sleeve 110 is a circular arc surface 212, and a bending direction of the circular arc surface 212 is opposite to a bending direction of an outer side surface of the inner sleeve 110. In this embodiment, since the surface of the wedge 210 contacting the inner sleeve 110 is the arc surface 212, when the inner sleeve 110 rotates and generates a friction force relative to the wedge 210, the wedge 210 swings around the position where the arc surface 212 contacts the inner sleeve 110 as a fulcrum under the action of the friction force, and the swing of the wedge 210 is more flexible by the arc surface 212.
In order to better apply force to the outer ring 120, in an embodiment, please refer to fig. 3 and 4, an end surface of each wedge block 210 abutting against one end of the outer ring 120 is a wedge surface 213. In this embodiment, the wedge surface 213 includes a first abutting surface and a second abutting surface, the first abutting surface and the second abutting surface are inclined to each other, so that an included angle is formed between the first abutting surface and the second abutting surface, and the first abutting surface and the second abutting surface are both planes, so that when the wedge block 210 swings to the inner side surface of the outer ring 120 that the wedge surface 213 abuts on the outer ring 120, because the shapes of the inner side surfaces of the wedge surface 213 and the outer ring 120 are not matched, the wedge surface 213 can be clamped on the inner side surface of the outer ring 120, so that the wedge block 210 can apply force to the outer ring 120 to drive the outer ring 120 to rotate.
In one embodiment, the number of wedge blocks 210 is twelve to eighteen. By providing twelve to eighteen wedge-shaped blocks 210, and arranging a plurality of the wedge-shaped blocks according to the torque requirement and the size of the overrunning clutch 10, and in other embodiments, the number is not limited thereto, so that the wedge-shaped blocks 210 can uniformly share the force applied by the inner sleeve 110 to the outer ring 120, and the force applied by a single wedge-shaped block 210 is small, thereby avoiding excessive wear of the wedge-shaped blocks 210.
In one embodiment, as shown in fig. 1, the overrunning clutch 10 further includes a housing 300, the inner sleeve 110 and the outer ring 120 are disposed in the housing 300, the outer ring 120 is fixedly connected to the housing 300, a first through hole 311 and a second through hole 321 are respectively formed on two back-facing surfaces of the housing 300, a middle portion of the inner sleeve 110 is respectively communicated with the first through hole 311 and the second through hole 321, and at least one pin 430 is disposed on a radial surface of the housing 300. In this embodiment, the radial surface of the housing 300 is provided with three pins 430, and the pins 430 are used for connecting the planetary gears 410. By arranging the inner sleeve 110 and the outer sleeve 120 in the housing 300, the movable slot 101 is closed, so that the wedge block 210 and the roller 230 can be firmly fixed between the inner sleeve 110 and the outer sleeve 120, and the wedge block 210 and the roller 230 are prevented from being separated from the movable slot 101.
In order to mount the inner sleeve 110 and the outer sleeve 120 in the housing 300, in one embodiment, as shown in fig. 1 and 2, the housing 300 includes a first cover plate 310 and a second cover plate 320, the first cover plate 310 is provided with the first through hole 311, the second cover plate 320 is provided with the second through hole 321, the first cover plate 310 and the second cover plate 320 are fixedly connected by a rivet 330, the inner sleeve 110 and the outer sleeve 120 are disposed between the first cover plate 310 and the second cover plate 320, the outer sleeve 120 is provided with a connecting hole 121, the rivet 330 is disposed in the connecting hole 121, and each stud 430 is disposed on the second cover plate 320.
In this embodiment, the first cover plate 310 and the second cover plate 320 are respectively located on two sides of the outer ring 120, the width of the first through hole 311 and the width of the second through hole 321 are smaller than that of the inner sleeve 110, and the first cover plate 310 and the second cover plate 320 are respectively located on two sides of the inner sleeve 110, so that the first cover plate 310 and the second cover plate 320 are wrapped on two sides of the inner sleeve 110 and the outer ring 120 to further seal the movable groove 101, and the wedge-shaped block 210 and the roller 230 are prevented from being separated from the movable groove 101. In addition, the first cover plate 310, the outer race 120, and the second cover plate 320 are fixedly coupled by rivets, so that the outer race 120 and the inner race 110 can be stably fixed between the first cover plate 310 and the second cover plate 320.
An electric vehicle comprises the overrunning clutch 10 in any one of the above embodiments.
In this embodiment, referring to fig. 1, 3 and 5, the electric vehicle further includes a planetary gear set 400, the planetary gear set 400 includes a plurality of planetary gears 410 and a planetary carrier 420, the outer ring 120 is connected with a plurality of pins 430, each pin 430 is connected with a planetary gear 410, each planetary gear 410 is engaged with the planetary carrier 420, the inner side of the inner sleeve 110 is provided with a spline 115, and the inner sleeve 110 is engaged with the power output shaft of the motor through the spline 115. Thus, the inner sleeve 110 is driven by the motor to rotate, friction force is applied to the wedge block 210, the wedge block 210 swings against the elastic force of the elastic ring 220, the wedge block 210 abuts against the outer ring 120, the inner sleeve 110 can drive the outer ring 120 to rotate, the outer ring 120 drives the planetary gear 410 of the planetary gear set 400 to rotate, and the planetary gear 410 drives the planet carrier 420 to rotate, so that transmission of the electric vehicle is realized. When the power output shaft of the motor stops outputting the power, the inner sleeve 110 stops rotating, the inner sleeve 110 stops outputting the power to the wedge-shaped blocks 210, each wedge-shaped block 210 is reset under the elastic force of the elastic ring 220, and then one end, far away from the inner sleeve 110, of each wedge-shaped block 210 is separated from the outer ring 120, so that the outer ring 120 and the planet carrier 420 continue rotating under the inertia effect, the electric vehicle can slide, the influence of the motor in the sliding process is avoided, and the friction and the abrasion between the outer ring 120 and the wedge-shaped blocks 210 in the sliding process are avoided.
In the above embodiment, by providing the wedge block 210 between the inner race 110 and the outer race 120, when the inner sleeve 110 is rotated by the power of the motor, the friction force between the inner sleeve 110 and the wedge-shaped block 210 drives the wedge-shaped block 210 to swing, so that the wedge-shaped block 210 abuts against the outer ring 120, and the inner sleeve 110 can drive the outer ring 120 to rotate, so that the outer ring 120 drives the planetary gear 410 to rotate, when the motor stops rotating, the wedge block 210 is reset under the elastic force of the elastic ring 220, the wedge block 210 is disconnected with the outer ring 120, so that the outer race 120 can still keep rotating without being affected by the stop motion of the motor, the electric vehicle can continue to slide under the condition of losing power, the wedge-shaped block 210 drives the outer ring 120 to move, so that the torque can be effectively increased, the influence on the endurance mileage of the electric vehicle is reduced, the abrasion of the wedge-shaped block 210 is reduced, and the service life of the overrunning clutch 10 is effectively prolonged.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An overrunning clutch, comprising: the device comprises an elastic ring, a plurality of wedge-shaped blocks, an inner sleeve and an outer ring which are coaxially arranged;
the inner sleeve is arranged on the inner side of the outer ring, each wedge block is arranged between the inner sleeve and the outer ring, each wedge block is provided with a first fixing groove, the elastic ring is sleeved on the outer side of each wedge block, the elastic ring is arranged in each first fixing groove, one end of each wedge block abuts against the inner sleeve under the elastic action of the elastic ring, the other end of each wedge block movably abuts against the outer ring, the maximum width of each wedge block is larger than the distance between the inner sleeve and the outer ring, and the small width of each wedge block is smaller than the distance between the inner sleeve and the outer ring.
2. The overrunning clutch according to claim 1, further comprising a plurality of rollers, wherein each roller is disposed between the inner sleeve and the outer ring, each roller is provided with a second fixing groove, the elastic ring is sleeved outside each roller, the elastic ring is disposed in each second fixing groove, the cross-sectional shape of each roller is circular, and the rollers abut against the inner sleeve and the outer ring.
3. The overrunning clutch of claim 2, wherein the number of wedge segments is greater than the number of rollers.
4. The overrunning clutch of claim 2, wherein said rollers are spaced between said wedge segments.
5. The overrunning clutch of claim 4 wherein each of said rollers is located between two of said wedge segments.
6. The overrunning clutch according to claim 1, wherein the cross section of one end of each wedge-shaped block abutting against the inner sleeve is circular arc-shaped.
7. The overrunning clutch according to claim 1, wherein an end surface of each wedge block abutting against one end of the outer race is a wedge surface.
8. The overrunning clutch according to any one of claims 1 to 7, further comprising a housing, wherein the inner sleeve and the outer ring are disposed in the housing, the outer ring is fixedly connected to the housing, two back surfaces of the housing are respectively provided with a first through hole and a second through hole, a middle portion of the inner sleeve is respectively communicated with the first through hole and the second through hole, and a radial surface of the housing is provided with at least one pin.
9. The overrunning clutch according to claim 8, wherein the housing includes a first cover plate and a second cover plate, the first cover plate defines the first through hole, the second cover plate defines the second through hole, the first cover plate and the second cover plate are fixedly connected by a rivet, the inner sleeve and the outer ring are disposed between the first cover plate and the second cover plate, the outer ring defines a connecting hole, the rivet is inserted into the connecting hole, and each pin is disposed on the second cover plate.
10. An electric vehicle comprising the overrunning clutch according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206388.1U CN211648842U (en) | 2020-02-25 | 2020-02-25 | Electric vehicle and overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206388.1U CN211648842U (en) | 2020-02-25 | 2020-02-25 | Electric vehicle and overrunning clutch |
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| Publication Number | Publication Date |
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| CN211648842U true CN211648842U (en) | 2020-10-09 |
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| CN202020206388.1U Expired - Fee Related CN211648842U (en) | 2020-02-25 | 2020-02-25 | Electric vehicle and overrunning clutch |
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| CN (1) | CN211648842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178072A (en) * | 2020-11-06 | 2021-01-05 | 传孚科技（厦门）有限公司 | Overrunning clutch |
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2020
- 2020-02-25 CN CN202020206388.1U patent/CN211648842U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178072A (en) * | 2020-11-06 | 2021-01-05 | 传孚科技（厦门）有限公司 | Overrunning clutch |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20210225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |