CN107701664B - Transmission mechanism of bidirectional variable speed motor - Google Patents
Transmission mechanism of bidirectional variable speed motor Download PDFInfo
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- CN107701664B CN107701664B CN201711098512.6A CN201711098512A CN107701664B CN 107701664 B CN107701664 B CN 107701664B CN 201711098512 A CN201711098512 A CN 201711098512A CN 107701664 B CN107701664 B CN 107701664B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 100
- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 29
- 238000013459 approach Methods 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 12
- 238000007792 addition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a transmission mechanism of a bidirectional variable speed motor, and belongs to the technical field of machinery. It has solved the poor problem of current transmission job stabilization nature. The transmission mechanism of the bidirectional variable speed motor comprises a main shaft, an inner ring sleeved outside the main shaft and circumferentially fixed with the main shaft, an outer ring sleeved outside the inner ring, and a combination sleeve sleeved outside the main shaft, wherein a unidirectional structure is arranged between the inner ring and the outer ring, a disengaging structure which enables the combination sleeve to move in a direction far away from the outer ring when the outer ring rotates is arranged between the combination sleeve and the outer ring, the transmission mechanism further comprises an elastic piece I which enables the combination sleeve to approach the outer ring, a combination piece and an elastic piece II are arranged between the inner ring and the outer ring, and the combination piece can be driven to overcome the elastic force of the elastic piece II and circumferentially fix the inner ring and the outer ring when the combination sleeve approaches the outer ring. The transmission mechanism of the bidirectional variable speed motor has the advantage of more stable operation.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a transmission mechanism of a bidirectional variable speed motor.
Background
The transmission mechanism of the bidirectional variable speed motor is applied to the electric tricycle, and realizes the forward or backward movement of the electric tricycle through the cooperation of structures such as a unidirectional chuck and the like, but the transmission mechanism parts of the structure are distributed and dispersed, and the occupied space is excessive. Therefore, the applicant designs a bidirectional automatic speed-changing motor transmission device and applies for Chinese patent (the application number of the transmission device is CN201520526628.5, and the publication number of the transmission device is CN 204900704U), and the transmission device distributes all parts of the whole structure on the axis of a main shaft, so that the gaps among all parts are reduced, and the occupied space is reduced. However, the separating mechanism in the transmission device has extremely high assembly precision requirements on all parts, if the assembly is not in place, the transmission piece in the separating mechanism can not be kept in a separated state with the connecting piece, and the use safety of the whole transmission device is further affected.
To this end, the applicant has devised an improvement for the former proposal, and has devised a bidirectional automatic speed-changing motor transmission device and filed a chinese patent (its filed No. 20162087779. X; its filed No. CN 205896057U), the transmission device includes a transmission shaft and a transmission gear fitted on the outside of the transmission shaft, a connection sleeve is fixed on the transmission gear, the transmission shaft is further connected with a transmission sleeve through a spline, a coupling mechanism for coupling the transmission sleeve and the connection sleeve when the transmission shaft rotates clockwise and a release structure for separating the transmission sleeve from the connection sleeve and releasing the transmission sleeve upward from the transmission shaft when the transmission shaft rotates counterclockwise are provided between the transmission sleeve and the unidirectional ring, a unidirectional ring is provided outside the connection sleeve, a blocking portion protruding upward is provided on the unidirectional ring, a downward protruding abutment portion is provided on the lower end edge of the transmission sleeve, the abutment portion abuts against the blocking portion and holds the transmission sleeve in a state with the transmission shaft when the transmission shaft rotates counterclockwise, and a blocking portion holds the abutment portion in a state with the counterclockwise rotation between the abutment portion and the blocking portion. According to the transmission device, the requirement on machining precision during assembly is reduced by arranging the blocking structure between the abutting part and the blocking part which are integrally machined, and the safety is improved.
However, when the transmission device performs reverse gear transmission, namely, the connecting sleeve and the transmission sleeve fixed on the transmission gear are combined, so that the power of the transmission gear is transmitted to the transmission shaft sequentially through the connecting sleeve and the transmission sleeve, the connecting sleeve and the transmission sleeve are combined through the toothed guide parts with the arc-shaped inclined surfaces, and the guide parts can also be used for disengaging the connecting sleeve and the transmission sleeve along the inclined surfaces, so that the inclined surfaces of the guide parts are longer, namely, the clamping openings formed between the two adjacent guide parts for clamping and combining are larger, when the transmission device is in actual use, the transmission gear and the transmission sleeve are often not combined in place, shaking or even disengaging between the transmission gear and the transmission sleeve is easy to occur, and the working stability is poor.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a transmission mechanism of a bidirectional variable speed motor, which aims to solve the technical problem of more stable combination of a power transmission structure when a vehicle is in a reverse gear.
The aim of the invention can be achieved by the following technical scheme:
the transmission mechanism of the bidirectional variable speed motor comprises a main shaft, an inner ring sleeved outside the main shaft and circumferentially fixed with the main shaft, an outer ring sleeved outside the inner ring, and a combination sleeve sleeved outside the main shaft, wherein a unidirectional structure is arranged between the inner ring and the outer ring, a disengaging structure which enables the combination sleeve to move away from the outer ring when the outer ring rotates is arranged between the combination sleeve and the outer ring, and the transmission mechanism further comprises an elastic piece I which enables the combination sleeve to approach the outer ring.
When the transmission mechanism of the bidirectional variable speed motor works, the outer ring with teeth on the outer side continuously receives the transmitted power, and the main shaft outputs the power. When the vehicle is switched to a first gear for advancing, the outer ring receives the transmission power and rotates anticlockwise, the inner ring and the outer ring are combined by a unidirectional structure, the power of the outer ring is directly transmitted to the main shaft through the inner ring to output power, in the transmission process, the combining sleeve moves in the direction away from the outer ring and is separated from the outer ring under the action of the separation structure, the combining piece is not subjected to other acting forces, and the elastic force of the elastic piece II only drives the combining piece to act and enables the combining piece not to fix the outer ring and the inner ring circumferentially; when the vehicle is switched to the second gear for advancing, the power is transmitted to the main shaft by the second gear transmission mechanism, and the power is output through the high-speed rotation of the main shaft, at the moment, the inner ring rotates anticlockwise along with the high-speed rotation of the main shaft, the outer ring rotates anticlockwise at a low speed, the rotating speed of the inner ring is higher than that of the outer ring, the two are slipped due to the unidirectional structure between the two, the combined part is kept in an uncombined state, and the normal transmission of the second gear power transmission is ensured; when the vehicle is switched to the reverse gear, the outer ring receives power and rotates clockwise, the one-way structure between the inner ring and the outer ring enables the inner ring and the outer ring to slip, the disengaging mechanism does not disengage the combining sleeve, the combining sleeve approaches to the outer ring direction under the action of the elastic force of the elastic member I, the combining member is pushed to overcome the elastic force of the elastic member II to move and fix the inner ring and the outer ring in the circumferential direction, and the outer ring transmits power to the inner ring through the combining member and drives the main shaft fixed with the inner ring in the circumferential direction to rotate clockwise and output power.
In the transmission mechanism of the bidirectional variable speed motor, the disengaging structure is only used for disengaging the engaging sleeve, the main structure is not used for combination when the vehicle is in the reverse gear, the unstable combination condition caused by the fact that the guide part on the disengaging structure is used for combination is avoided, meanwhile, the engaging sleeve can rotate and axially move relative to the circumferential direction of the main shaft, and the engaging sleeve, the engaging piece and the elastic piece are used for realizing the power transmission by circumferentially fixing the inner ring and the outer ring when the vehicle is in the reverse gear, the disengaged structure requirement is not needed to be considered, the combination of the inner ring and the outer ring is more stable, and the transmission is more reliable.
In the transmission mechanism of the bidirectional variable speed motor, the inner ring is provided with a sliding groove, the combining piece is in a block shape and is positioned at the sliding groove, the elastic piece II acts on the combining piece and can enable the combining piece to move along the sliding groove in a direction away from the outer ring, a guide surface which can facilitate the combining sleeve to push the combining piece to move is arranged between the combining sleeve and the combining piece, and the combining sleeve can push the combining piece part to extend out of the sliding groove and enable the combining piece to be circumferentially fixed with the outer ring. The guide surface is arranged between the combining sleeve and the combining piece, so that the combining piece can be better pushed to move when the combining sleeve moves, the work is more stable, the circumferential fixation is formed between the outer ring and the inner ring in a mode that the block-shaped combining piece extends out of the sliding groove, faults are not easy to occur, and the fixation is firmer.
In the transmission mechanism of the bidirectional variable speed motor, the inner side of the outer ring is provided with a concave combination groove, and the combination piece can partially extend into the combination groove. When the outer ring and the inner ring are circumferentially fixed through the connecting piece, the connecting piece part in a block shape stretches into the connecting groove of the outer ring, and the connecting piece part is positioned in the sliding groove of the inner ring, so that the connection is more stable.
In the transmission mechanism of the bidirectional variable speed motor, the combining sleeve is annular, the number of the combining pieces is several and distributed around the axis of the main shaft, and the combining sleeve can drive the combining pieces to move when approaching to the outer ring. The inner ring and the outer ring are annular, and the combination between the inner ring and the outer ring is realized through a plurality of combining pieces distributed in the circumferential direction, so that the combination between the inner ring and the outer ring is more stable, and the power transmission is more reliable.
In the transmission mechanism of the bidirectional variable speed motor, the combining sleeve comprises an annular main body and a pushing piece axially fixed on the main body, the pushing piece is annular, the outer end of the pushing piece extends out of the main body, the end part of the outer end of the pushing piece is provided with an annular flanging which is outwards turned out, and the outer side of the pushing piece is also fixed with a clamp spring. The pushing piece is axially positioned on the main body of the combining sleeve through the annular flanging and the clamp spring, and the positioning is stable, so that the pushing piece is ensured to push the combining piece to move more stably, and the reliability of circumferential fixation between the inner ring and the outer ring is ensured.
In the transmission mechanism of the bidirectional variable speed motor, the inner side of the pushing piece is provided with the shoulder, the main shaft is fixedly provided with the supporting seat, one part of the elastic piece stretches into the pushing piece, and two ends of the elastic piece respectively act on the shoulder and the supporting seat. And one part of the elastic piece stretches into the pushing piece, so that the structure is more compact, the distance between the second elastic piece and the action position of the pushing piece and the action position of the combining piece are reduced, the stabilization of the second elastic piece are facilitated, and the parameter requirement on the second elastic piece is reduced.
In the transmission mechanism of the bidirectional variable speed motor, one side of the inner ring and/or the combining piece, which faces the outer ring, is provided with a concave clamping groove, and the elastic piece II is annular and is clamped into the clamping groove. The second elastic piece is clamped into the clamping groove of the inner ring and the combining piece, so that the second elastic piece is prevented from deviating, the action of elastic force is guaranteed, the combining piece can stably return, and the stability and the reliability of work are guaranteed.
In another aspect, in the transmission mechanism of the bidirectional variable speed motor, the coupling member is rod-shaped and hinged on the inner ring, the elastic member comprises a torsion spring, the coupling member can swing around the hinge point in a direction away from the outer ring under the torsion action of the torsion spring, the inner side of the outer ring is further provided with a concave connecting groove, and the coupling sleeve can drive the coupling member to swing against the torsion of the torsion spring and enable the coupling member to extend into the connecting groove. According to different requirements of the structure, the blocky combining piece can be replaced by a rod shape, the combination between the inner ring and the outer ring is realized through the hinged swing of the rod-shaped combining piece, and the situation that the combination is unstable due to the fact that one disengaging structure realizes two functions can be avoided.
Compared with the prior art, the transmission mechanism of the bidirectional variable speed motor utilizes the characteristic that the combination sleeve is separated from and close to the outer ring, and realizes circumferential fixation between the outer ring and the inner ring when the vehicle is in reverse gear by axially moving the combination sleeve in a way that the pushing piece, the combination piece, the elastic piece and the like are arranged on the combination sleeve and between the inner ring and the outer ring, and compared with the scheme of realizing combination by utilizing the guide part on the disengaging structure, the combination is more reliable and the work is more stable.
Drawings
Fig. 1 is a schematic structural view of a transmission mechanism of the bidirectional variable speed motor.
Fig. 2 is a schematic cross-sectional structure of the transmission mechanism of the present bi-directional variable speed motor.
Fig. 3 is a schematic cross-sectional view of the junction of the inner ring and the outer ring in the transmission mechanism of the bidirectional variable speed motor.
Fig. 4 is a schematic structural view of a coupling member in a transmission mechanism of the present bi-directional variable speed motor.
Fig. 5 is an enlarged view of the joint in the transmission mechanism of the present bi-directional variable speed motor.
In the figure, 1, a main shaft; 2. an inner ring; 2a, a chute; 3. an outer ring; 3a, a combination groove; 4. a combining sleeve; 5. a unidirectional structure; 6. a release structure; 7. an elastic piece I; 8. a pushing member; 8a, flanging; 8b, a shoulder; 9. a bonding member; 9a, a clamping groove; 10. an elastic piece II; 11. a guide surface; 12. clamping springs; 13. and a supporting seat.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the transmission mechanism of the bidirectional variable speed motor comprises a main shaft 1, an output gear fixedly connected with the main shaft 1, an annular inner ring 2 sleeved outside the main shaft 1 and circumferentially fixed with the main shaft 1, an annular outer ring 3 sleeved outside the inner ring 2, and an annular combination sleeve 4 sleeved outside the main shaft 1, wherein a unidirectional structure 5 which enables the inner ring 2 and the outer ring 3 to slip when the outer ring 3 rotates clockwise is arranged between the inner ring 2 and the outer ring 3. A disengagement structure 6 is arranged between the coupling sleeve 4 and the outer ring 3, which disengagement structure moves the coupling sleeve 4 away from the outer ring 3 when the outer ring 3 rotates anticlockwise, and the transmission mechanism further comprises an elastic member 7, which enables the coupling sleeve 4 to have a tendency towards the outer ring 3.
As shown in fig. 3, 4 and 5, the coupling sleeve 4 further includes an annular main body and a pushing member 8 axially fixed on the main body and shaped like an annular ring, the upper end surface of the inner ring 2 is radially penetrated and provided with a plurality of sliding grooves 2a, each sliding groove 2a is internally provided with a block-shaped coupling member 9, one side of the inner ring 2 and the coupling member 9, which faces the outer ring 3, is provided with a clamping groove 9a, an annular elastic member two 10 is arranged in the clamping groove 9a, and the coupling member 9 can retract into the sliding groove 2a of the inner ring 2 under the elastic action of the elastic member two 10. The end face of the pushing member 8 facing one end of the combining member 9 and the combining member 9 are provided with guide surfaces 11 which facilitate the pushing member 8 to push the combining member 9 to slide outwards. The inner side wall of the outer ring 3 is also provided with a combination groove 3a, the number and the positions of which are corresponding to those of the combination pieces 9, when the pushing piece 8 pushes the combination pieces 9 to overcome the elastic piece two 10 to move outwards, part of the combination pieces 9 extend out of the sliding groove 2a and extend into the combination groove 3 a.
In the embodiment, the outer end of the pushing piece 8 extends out of the main body, the end part of the outer end is provided with an annular flanging 8a which is outwards turned out, a clamp spring 12 is also fixed on the outer side of the pushing piece 8, and the pushing piece 8 is axially fixed on the combining sleeve 4 through the flanging 8a and the clamp spring 12; the inner side wall of the pushing piece 8 is also provided with a blocking shoulder 8b, a supporting seat 13 is fixed at the outer end of the main shaft 1, which is close to the pushing piece 8, the elastic piece 7 is a spring, part of the elastic piece extends into the pushing piece 8, and two ends of the spring respectively act on the blocking shoulder 8b and the supporting seat 13; the combining pieces 9 and the sliding grooves 2a are uniformly distributed around the axis of the main shaft 1; the combining sleeve 4 further comprises a transmission sleeve fixed at the end of the main body facing one end of the inner ring 2, one end of the outer ring 3 facing the combining sleeve 4 is provided with a convex connecting part, and the disengaging structure 6 is arranged between the transmission sleeve and the connecting part; the outside of the transmission sleeve is also sleeved with a one-way ring, the one-way ring is connected with the transmission sleeve in a one-way, the upper side of the outer ring 3 is also provided with a blocking part, and a blocking structure which can keep the combination sleeve 4 in a separated state when the combination sleeve 4 is separated from the outer ring 3 is arranged between the blocking part and the one-way ring. Here, the unidirectional structure 5 between the inner ring 2 and the outer ring 3, the connection between the unidirectional ring and the driving sleeve, the disconnection structure 6 and the blocking structure all adopt the structures described in the patents in the background art.
When the transmission mechanism of the bidirectional variable speed motor works, the outer ring 3 with teeth on the outer side continuously receives the transmitted power, and the main shaft 1 outputs the power through the output gear.
When the vehicle is switched to a first gear for forward running, the outer ring 3 receives the transmission power and rotates anticlockwise, the two are combined by the unidirectional structure 5 between the inner ring 2 and the outer ring 3, and the power of the outer ring 3 is directly transmitted to the main shaft 1 through the inner ring 2 to output power. In the transmission process, the combining sleeve 4 moves in the direction away from the outer ring 3 under the action of the disengaging structure 6, is disengaged from the outer ring 3, drives the pushing piece 8 to move, the combining piece 9 is not under the thrust action of the pushing piece 8, the combining piece 9 is driven to retract into the inner ring 2 along the sliding groove 2a only under the elastic action of the elastic piece two 10, and the outer ring 3 and the inner ring 2 are not combined through the combining piece 9.
When the vehicle is switched to the second gear for advancing, the second gear transmission mechanism (the second gear transmission mechanism can directly adopt the structure in the patent described in the background art) transmits power to the main shaft 1, the main shaft 1 rotates at a high speed to output power, at the moment, the inner ring 2 fixed on the main shaft 1 rotates anticlockwise along with the main shaft 1, the outer ring 3 rotates anticlockwise at a low speed, the rotating speed of the inner ring 2 is higher than that of the outer ring 3, the two are slipped due to the unidirectional structure 5 between the two, the rotation of the two is not influenced mutually, and the combining piece 9 keeps the state of being not combined with the retracted inner ring 2, so that the normal transmission of the second gear power transmission is ensured.
When the vehicle is switched to the reverse gear, the outer ring 3 receives power and rotates clockwise, the unidirectional structure 5 between the inner ring 2 and the outer ring 3 enables the inner ring 2 and the outer ring 3 to slip, the disengaging mechanism does not disengage the combining sleeve 4, the combining sleeve 4 approaches to the outer ring 3 under the action of the elastic force of the elastic member I7, the pushing member 8 moves along with the combining sleeve 4 and pushes the combining member 9 to overcome the elastic force of the elastic member II 10 and move outwards, and the combining member 9 extends into the combining groove 3a of the outer shell partially, so that the inner ring 2 and the outer ring 3 are fixed circumferentially, and the outer ring 3 transmits power to the inner ring 2 through the combining member 9 and drives the main shaft 1 fixed with the inner ring 2 circumferentially to rotate clockwise and output power.
In the transmission mechanism of the bidirectional variable speed motor, the disengaging structure 6 is only used for disengaging the combining sleeve 4, the main structure is not used for combining when the vehicle is in a reverse gear, the situation that the combination is unstable due to the fact that the guiding part on the disengaging structure 6 is used for combining is avoided, meanwhile, the combining sleeve 4 can rotate and axially move relative to the main shaft 1 in the circumferential direction, and the pushing piece 8, the combining piece 9 and the elastic piece two 10 are used for fixing the inner ring 2 and the outer ring 3 in the circumferential direction to realize power transmission when the vehicle is in the reverse gear, the requirements of the disengaged structure are not considered, the combination of the inner ring 2 and the outer ring 3 is more stable, and the transmission is more reliable.
Besides the scheme, the combining piece 9 can also be rod-shaped and hinged on the inner ring 2, the elastic piece II 10 comprises a torsion spring, the combining piece 9 can swing around the hinge point in the direction away from the outer ring 3 under the torsion action of the torsion spring, the inner side of the outer ring 3 is also provided with a concave connecting groove, and the pushing piece 8 can push the combining piece 9 to overcome the torsion swing of the torsion spring and enable the combining piece 9 to partially extend into the connecting groove.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The transmission mechanism of the bidirectional variable speed motor comprises a main shaft (1), an inner ring (2) sleeved outside the main shaft (1) and circumferentially fixed with the main shaft (1), an outer ring (3) sleeved outside the inner ring (2) and a combination sleeve (4) sleeved outside the main shaft (1), wherein a unidirectional structure (5) is arranged between the inner ring (2) and the outer ring (3), a disengaging structure (6) which enables the combination sleeve (4) to move towards a direction far away from the outer ring (3) when the outer ring (3) rotates is arranged between the combination sleeve (4) and the outer ring (3), the transmission mechanism further comprises an elastic piece I (7) which enables the combination sleeve (4) to approach the outer ring (3), and is characterized in that a combination piece (9) and an elastic piece II (10) are arranged between the inner ring (2) and the outer ring (3), the combination sleeve (4) can drive the combination piece (9) to overcome elasticity of the elastic piece II (10) to move and enable the inner ring (2) and the outer ring (3) to circumferentially move along a sliding groove (2) when the inner ring (3) approaches the outer ring (3), the combination piece II is formed in a sliding groove (2), the elastic piece II (10) acts on the combining piece (9) and enables the combining piece (9) to move along the sliding groove (2 a) in a direction away from the outer ring (3), a guide surface (11) which can facilitate the combining sleeve (4) to push the combining piece (9) to move is arranged between the combining sleeve (4) and the combining piece (9), the combining sleeve (4) can push the combining piece (9) to partially extend out of the sliding groove (2 a) and enable the combining piece (9) to be circumferentially fixed with the outer ring (3), a concave combining groove (3 a) is formed in the inner side of the outer ring (3), and the combining piece (9) can partially extend into the combining groove (3 a).
2. The transmission mechanism of a bi-directional variable speed motor according to claim 1, wherein the coupling sleeve (4) is annular, the number of the coupling members (9) is several and distributed around the axis of the main shaft (1), and the coupling sleeve (4) can drive the plurality of the coupling members (9) to move when approaching the outer ring (3).
3. The transmission mechanism of a bidirectional variable speed motor according to claim 1, wherein the combining sleeve (4) comprises a ring-shaped main body and a pushing piece (8) axially fixed on the main body, the pushing piece (8) is in a ring shape, the outer end of the pushing piece (8) extends out of the main body, the end part of the outer end is provided with a ring-shaped flanging (8 a) which is outwards turned out, and a clamp spring (12) is also fixed on the outer side of the pushing piece (8).
4. A transmission mechanism of a bidirectional variable speed motor according to claim 3, wherein the inner side of the pushing member (8) is provided with a blocking shoulder (8 b), the main shaft (1) is fixedly provided with a supporting seat (13), the elastic member I (7) partially stretches into the pushing member (8) and two ends respectively act on the blocking shoulder (8 b) and the supporting seat (13).
5. A transmission mechanism of a bi-directional variable speed motor according to claim 1, characterized in that the side of the inner ring (2) and/or the coupling member (9) facing the outer ring (3) is provided with a concave clamping groove (9 a), and the elastic member (10) is ring-shaped and is clamped into the clamping groove (9 a).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098512.6A CN107701664B (en) | 2017-11-09 | 2017-11-09 | Transmission mechanism of bidirectional variable speed motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098512.6A CN107701664B (en) | 2017-11-09 | 2017-11-09 | Transmission mechanism of bidirectional variable speed motor |
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| CN107701664A CN107701664A (en) | 2018-02-16 |
| CN107701664B true CN107701664B (en) | 2023-12-01 |
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| CN108561454B (en) * | 2018-07-04 | 2023-07-18 | 玉环县东方汽车制动器厂 | Reversing mechanism of bidirectional variable speed motor |
| CN109404435B (en) * | 2018-12-18 | 2023-09-05 | 屠申富 | Transmission mechanism of bidirectional automatic variable speed motor |
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| JP2012002285A (en) * | 2010-06-17 | 2012-01-05 | Ntn Corp | Motor drive apparatus for vehicle and automobile |
| CN102661362A (en) * | 2012-05-18 | 2012-09-12 | 重庆阿尔迪机电技术开发有限公司 | Variable-speed shaft and variable-speed driving system for electric vehicle |
| CN203796901U (en) * | 2014-04-25 | 2014-08-27 | 屠国锋 | Bidirectional automatic speed-changing transmission mechanism |
| CN105526318A (en) * | 2016-01-22 | 2016-04-27 | 吉林大学 | Electric drive system based on two-gear transmission device |
| CN106090144A (en) * | 2016-08-12 | 2016-11-09 | 屠申富 | Bidirectional automatic gear shifting transmission gear for electric motor |
| CN207437691U (en) * | 2017-11-09 | 2018-06-01 | 屠申富 | The transmission mechanism of bi-directional variable speed motor |
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2017
- 2017-11-09 CN CN201711098512.6A patent/CN107701664B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012002285A (en) * | 2010-06-17 | 2012-01-05 | Ntn Corp | Motor drive apparatus for vehicle and automobile |
| CN102661362A (en) * | 2012-05-18 | 2012-09-12 | 重庆阿尔迪机电技术开发有限公司 | Variable-speed shaft and variable-speed driving system for electric vehicle |
| CN203796901U (en) * | 2014-04-25 | 2014-08-27 | 屠国锋 | Bidirectional automatic speed-changing transmission mechanism |
| CN105526318A (en) * | 2016-01-22 | 2016-04-27 | 吉林大学 | Electric drive system based on two-gear transmission device |
| CN106090144A (en) * | 2016-08-12 | 2016-11-09 | 屠申富 | Bidirectional automatic gear shifting transmission gear for electric motor |
| CN207437691U (en) * | 2017-11-09 | 2018-06-01 | 屠申富 | The transmission mechanism of bi-directional variable speed motor |
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| CN107701664A (en) | 2018-02-16 |
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