CN214008041U - AMT gearbox with buffering and damping functions - Google Patents
AMT gearbox with buffering and damping functions Download PDFInfo
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- CN214008041U CN214008041U CN202023326493.8U CN202023326493U CN214008041U CN 214008041 U CN214008041 U CN 214008041U CN 202023326493 U CN202023326493 U CN 202023326493U CN 214008041 U CN214008041 U CN 214008041U
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Abstract
The utility model relates to a derailleur technical field that shifts, concretely relates to AMT gearbox with buffering shock-absorbing function. The utility model provides an AMT gearbox with buffering shock-absorbing function, includes speed change drive mechanism and the actuating mechanism that shifts, speed change drive mechanism is including pulling out the fork, shift actuating mechanism include driving motor, be used for receiving driving motor moment's driving medium, with keep off the driving lever pivot of keeping off the driving lever linkage, be provided with the linkage space between driving medium and the fender driving lever pivot, be equipped with in the linkage space with the driving medium fixed or with keep off the first convex body that a plurality of interval that the driving lever pivot was fixed set up, through the coupling joint between driving medium and the fender driving lever pivot, the coupling is equipped with the elastic buffer block, the elastic buffer block has the radial buffer portion that a plurality of can cooperate between the adjacent first convex body in linkage space. The utility model has the advantages of enable gearbox internal gear buffering shock attenuation, can prolong gearbox life, can guarantee gearbox normal use.
Description
Technical Field
The utility model relates to a derailleur technical field that shifts, concretely relates to AMT gearbox with buffering shock-absorbing function.
Background
The gearbox comprises a variable-speed transmission mechanism and a gear shifting driving mechanism, and a shifting fork in the variable-speed transmission mechanism is driven to move through the gear shifting driving mechanism. A plurality of gears are arranged in the variable speed transmission mechanism, and dynamic synchronous deviation and instantaneous tooth engagement can happen occasionally during gear shifting; the gear can produce vibrations this moment to transmit power for the fender driving lever of actuating mechanism that shifts through the shift fork, if actuating mechanism's that shifts fender driving lever does not match buffering damper, the gear in the variable speed drive mechanism can have the condition of beating the tooth so, not only can cause the excessive wearing and tearing of gear, life is shorter, more serious damage gear, leads to gearbox function failure, still leads to the emergence of incident easily.
Chinese patent application No. 201710465397.5 discloses a four keep off AMT actuating mechanism that shifts for electric motor car realizes shifting the removal of shifting block through worm gear structure and lead screw structure, through set up the rubber pad in order to reduce impact and the vibration of the in-process of shifting gears between driving motor output and worm. In fact, the worm gear and worm and screw rod structure have certain self-locking performance, when the gear in the gearbox bites the teeth, the screw rod nut can be clamped on the screw rod, the worm gear can be abutted to the worm, and the force generated when the gear bites the teeth cannot be transmitted to the rubber pad side of the output end of the driving motor and cannot be used for buffering and damping of the gear in the gearbox.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an enable gearbox internal gear buffering shock attenuation, can prolong gearbox life, can guarantee the AMT gearbox that has buffering shock-absorbing function of gearbox normal use.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an AMT gearbox with buffering shock-absorbing function, includes speed change drive mechanism and the actuating mechanism that shifts, speed change drive mechanism is including pulling out the fork, shift actuating mechanism include driving motor, be used for receiving driving motor moment's driving medium, with keep off the driving lever pivot of keeping off the driving lever linkage, be provided with the linkage space between driving medium and the fender driving lever pivot, be equipped with in the linkage space with the driving medium fixed or with keep off the first convex body that a plurality of interval that the driving lever pivot was fixed set up, through the coupling joint between driving medium and the fender driving lever pivot, the coupling is equipped with the elastic buffer block, the elastic buffer block has the radial buffer portion that a plurality of can cooperate between the adjacent first convex body in linkage space.
When the gear in the gearbox is engaged, the force generated by the vibration of the gear is transmitted to the shift lever through the shifting fork of the gearbox and then transmitted to the shift lever rotating shaft, so that the shift lever rotating shaft rotates, the elastic buffer block deforms, and the transmission part does not move. The utility model discloses a set up the impact and the vibrations of elastic buffer piece in order to reduce the gearbox internal gear to avoid the gear impaired, with extension gearbox life, guarantee the normal use of the function of shifting of gearbox simultaneously. Wherein, keep off the swing that the driving lever pivot was used for keeping off the driving lever, keep off the removal that the driving lever directly was used for shifting out the fork, the utility model discloses a driving motor with keep off spare part between the driving lever still less, it is more convenient to shift, and can guarantee that the produced power of gearbox internal gear vibrations can transmit to the elastic buffer piece.
Preferably, the transmission part and the shifting rod blocking rotating shaft are sleeved with each other, the elastic buffer block is composed of a buffer block ring part and a radial buffer part, the buffer block ring part is arranged in an annular shape, the radial buffer part is fixed on the buffer block ring part, the elastic buffer block is sleeved between the transmission part and the shifting rod blocking rotating shaft, and the coupler is located on the axial side of the elastic buffer block. The transmission member, the elastic buffer block and the deflector rod rotating shaft are sleeved with each other, so that the structure is more compact, and the AMT is smaller. Wherein, buffer block ring portion is used for the connection of a plurality of radial buffer blocks.
Preferably, the transmission part is sleeved on the circumferential outer side of the shifting rod blocking rotating shaft, the coupler is fixed to the shifting rod blocking rotating shaft, the first convex body is fixed to the circumferential inner side of the transmission part, and the radial buffering portion is located on the circumferential outer side of the ring portion of the buffering block. First convex body sets up on the driving medium, and not setting up and keeping off the driving lever pivot epaxial, need not process out first convex body on keeping off driving lever pivot circumference outer wall, can not lead to the fact the influence to the intensity that keeps off the driving lever pivot that is located the middle part, keeps off driving lever pivot non-deformable and splits even, in order to guarantee the utility model discloses a life.
Preferably, the driving medium circumference outside is established to fender driving lever pivot cover, the shaft coupling is fixed with the driving medium, keep off driving lever pivot circumference inboard and be fixed with first convex body, radial buffer position is in buffer block ring portion circumference outside. First convex body sets up on keeping off driving lever pivot inner wall, rather than setting up on the driving medium outer wall, need not process out first convex body on thinner driving medium circumference outer wall, can not cause the influence to the intensity that is located the driving medium at middle part, driving medium non-deformable splits even, in order to guarantee the utility model discloses a life.
Preferably, the first convex bodies are arranged at uniform intervals in a ring shape by taking the axis of the rotating shaft of the shift blocking lever as the center. The first convex bodies are arranged in an annular shape at uniform intervals, so that the radial buffer parts are also arranged in an annular shape at uniform intervals, and the force transmission is more uniform.
Preferably, a plurality of first positioning grooves are formed in the radial buffering portion, the first positioning grooves are arranged at intervals, and the coupler is provided with a second convex body capable of being matched with the first positioning grooves. Through setting up the second convex body to realize the linkage of elastic buffer block and shaft coupling, thereby realize keeping off the linkage of driving lever pivot, shaft coupling and driving medium. Wherein, set up a plurality of first locating grooves and corresponding second convex body, a plurality of first locating grooves interval sets up to the fixed effect of location between shaft coupling and elastic buffer piece is better.
Preferably, the transmission part and the shifting rod rotating shaft are fixed in a box body, a plurality of shifting position detection switches are arranged in the box body at intervals in an annular mode by taking the axis of the shifting rod rotating shaft as the center, and a touch part for triggering the shifting position detection switches is fixed on the coupler; the gear detection switch is composed of a transmitting part and a receiving part, and the end part of the touch piece is provided with a separation part used for moving to a position between the transmitting part and the receiving part. Through setting up a plurality of gear detection switches to judge whether keep off the driving lever and rotate and target in place, with the start-stop of control driving motor, in order to realize automatically controlled gear shifting. The gear detection switch is triggered by elastic deformation of the elastic buffer block, and the gear shifting rod is not in place. The gear detection switch can adopt a photoelectric switch or a magnetoelectric switch. Through setting up the fender position detection switch that has emergence portion and receiving part to whether dial the position in place in more accurate judgement fender position.
Preferably, the middle part of the coupler is provided with a coupler ring part, the buffer block ring part is sleeved on the circumferential outer side of the coupler ring part, and the coupler ring part is sleeved and fixed on the circumferential outer side of the transmission part or the shifting rod blocking rotating shaft. Through setting up shaft coupling ring portion to reduce the width of buffer block ring portion, make simultaneously keep off the structure of driving lever pivot, driving medium, shaft coupling and buffer block more stable. Simultaneously, the setting of shaft coupling ring portion can be convenient for the shaft coupling with be located the inboard driving medium of circumference or keep off the fixed of driving lever pivot, need not process the driving medium more or keep off the driving lever pivot to guarantee the intensity of driving medium and fender driving lever pivot.
Preferably, a first threaded hole which is axially opened is formed in the middle of the transmission part or the driving blocking lever rotating shaft, a boss is arranged at the end part of the transmission part or the driving blocking lever rotating shaft which deviates from the transmission part or the driving blocking lever rotating shaft, the coupler is sleeved on the end part with the first threaded hole, a locking screw is matched with the first threaded hole in a threaded manner, and the coupler is limited between the head part of the locking screw and the boss; and a second threaded hole with an opening along the axial direction is formed in the position of the end face of the coupler deviated from the middle part. The boss and the locking screw are used for axial limiting and fixing of the coupler; wherein, a key groove, a biplane and a single plane groove can be arranged in the middle of the coupler to carry out coaxial linkage rotation of the coupler and the transmission piece or the rotating shaft of the blocking deflector rod. Drilling a second threaded hole in the coupler to facilitate subsequent disassembly of the coupler; when the coupler is detached for maintenance or replacement, the screw matched with the second threaded hole is fixed with the coupler through threads, so that the coupler can be conveniently taken down.
Preferably, a linkage gear is arranged on the output shaft of the driving motor, and a tooth part meshed with the linkage gear is circumferentially arranged on the transmission part. The transmission part is not coaxially fixed with the output shaft of the driving motor, and the reduction ratio is increased by arranging the tooth part and the linkage gear, so that the torque when the transmission part rotates is increased, and the rotation of the shifting rod rotating shaft and the shifting rod is convenient to block.
The utility model has the advantages of enable gearbox internal gear buffering shock attenuation, can prolong gearbox life, can guarantee gearbox normal use.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of the transmission member, the coupling, the elastic buffer block and the rotation shaft of the shift lever in FIG. 1;
fig. 3 is a schematic structural view of the coupling of embodiment 1;
fig. 4 is a schematic structural view of a linkage portion of a rotating shaft of the shift lever according to embodiment 1;
fig. 5 is a schematic structural view of the elastic buffer block of the utility model;
FIG. 6 is a schematic structural view of example 2;
FIG. 7 is a schematic view of the structure of a transmission member according to embodiment 2;
fig. 8 is a schematic structural view of the coupling of embodiment 2;
fig. 9 is a schematic structural diagram of the transmission member and the shift lever rotating shaft according to embodiment 2.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
Example 1
By shown in fig. 1 and fig. 2, this embodiment discloses an AMT gearbox with buffering shock-absorbing function, including speed change transmission mechanism and the actuating mechanism that shifts, speed change transmission mechanism is including pulling out the fork, actuating mechanism that shifts includes driving motor 1, be used for receiving driving medium 2 of driving motor 1 moment, keep off driving lever pivot 3 with keeping off the linkage of driving lever 4, be provided with the linkage space between driving medium 2 and the fender driving lever pivot 3, be equipped with in the linkage space and keep off the first convex body 31 that a plurality of interval that driving lever pivot 3 is fixed set up, driving medium 2 and keep off and be connected through shaft coupling 5 between the driving lever pivot 3, shaft coupling 5 is equipped with elastic buffer 6, elastic buffer 6 has radial buffer 61 that a plurality of can cooperate between the adjacent first convex body 31 in linkage space. Wherein, the output shaft of the driving motor 1 is provided with a linkage gear 11, and the circumferential outer side of the transmission part 2 is provided with a tooth part 20 which is engaged with the linkage gear 11.
The driving medium 2 and the driving lever stopping rotating shaft 3 are sleeved with each other, the elastic buffer block 6 is composed of a buffer block ring part 62 which is arranged in an annular shape and a radial buffer part 61 which is fixed on the buffer block ring part 62, the elastic buffer block 6 is sleeved between the driving medium 2 and the driving lever stopping rotating shaft 3, and the coupler 5 is located on the axial side of the elastic buffer block 6. Wherein the elastic buffer block 6 is made of rubber.
As shown in fig. 1, 2 and 4, a linkage portion 30 is disposed at an end of the shift lever rotating shaft 3 deviating from the shift lever 4, the linkage portion 30 is sleeved on an outer circumferential side of an end portion of the transmission member 2, the coupler 5 is fixed to the transmission member 2, and three first protrusions 31 are circumferentially and uniformly spaced and arranged on an inner circumferential side of the linkage portion 30 of the shift lever rotating shaft 3, wherein the first protrusions are annularly and uniformly spaced and centered on an axis of the shift lever rotating shaft 3. Wherein, the linkage part 30 is provided with a sinking groove 35 for abdicating the locking screw 50.
As shown in fig. 5, the radial buffer portions 61 are located on the circumferential outer side of the buffer block ring portion 62, two adjacent radial buffer portions 61 are formed with second positioning grooves 64 for matching with the first convex bodies, first positioning grooves 63 are formed in the radial buffer portions 61, and the three first positioning grooves 63 are uniformly spaced in an annular shape with the axis of the elastic buffer block 6 as the center.
As shown in fig. 1, 2 and 3, a coupler ring portion 51 extending to a side away from the coupler 5 is arranged in the middle of the coupler 5, a middle hole penetrates through the coupler ring portion 51, a buffer block ring portion 62 is sleeved on the outer side of the coupler ring portion 51 in the circumferential direction, and the coupler ring portion 51 is sleeved and fixed on the outer side of the transmission member 2 in the circumferential direction of a rotating shaft. The coupler 5 is provided with three second protrusions 52 which can be matched in the first positioning groove 63, the three second protrusions 52 are arranged at uniform intervals in an annular shape with the axis of the coupler ring part 51 as the center, and the second protrusions 52 and the coupler ring part 51 are both located on the same side of the coupler. Wherein, the shape of the inner edge of the cross section of the middle hole 51 at the joint ring part 51 is the same as the shape of the outer edge of the cross section of the end part of the transmission piece 2. Wherein, the shaft coupling can also adopt the key cooperation to link with driving medium 2.
The transmission part 2 and the shifting lever rotating shaft 3 are fixed in the box body, a plurality of shifting lever detection switches 7 which are annularly arranged at intervals by taking the axis of the shifting lever rotating shaft 3 as the center are arranged in the box body, and a touch part 70 for triggering the shifting lever detection switches 7 is fixed on the linkage part 30 of the shifting lever rotating shaft 3. The shift position detection switch 7 is a photoelectric switch and includes a transmission unit 71 and a reception unit 72, and the end of the trigger 70 has a blocking unit 73 for moving between the transmission unit 71 and the reception unit 72. The gear detection switch 7 is fixed on a circuit board, the circuit board is fixed on the inner wall of the box body, and the touch piece 70 is fixed with the linkage part 30 of the gear shift lever rotating shaft 3 through a fastener.
The middle part of the transmission part 2 is provided with a first threaded hole with an opening along the axial direction, the position of the deviation end part of the transmission part 2 is provided with a boss 21, the end part with the first threaded hole is sleeved with the coupler 5, and the locking screw 50 penetrates through the ring part 51 of the coupler and the middle hole of the coupler 5 and then is in threaded fit with the first threaded hole at the end part of the transmission part 2, and the coupler 5 is limited between the head part of the locking screw 50 and the boss 21.
Example 2
Shown by fig. 6, this embodiment discloses another kind of AMT gearbox with buffering shock-absorbing function, including speed change transmission mechanism and the actuating mechanism that shifts, speed change transmission mechanism is including pulling out the fork, the actuating mechanism that shifts includes driving motor 1, be used for receiving driving medium 2 of driving motor 1 moment, keep off driving lever pivot 3 with keeping off the linkage of driving lever 4, be provided with the linkage space between driving medium 2 and the fender driving lever pivot 4, be equipped with the first convex body 31 that sets up with the fixed three interval of driving medium 2 in the linkage space, driving medium 2 with keep off and be connected through shaft coupling 5 between the driving lever pivot 3, shaft coupling 5 is equipped with elastic buffer block 6, elastic buffer block 6 has radial buffer 61 that a plurality of can cooperate between the adjacent first convex body 31 in linkage space. Wherein, the output shaft of the driving motor 1 is provided with a linkage gear 11, and the circumferential outer side of the transmission part 2 is provided with a tooth part 20 which is engaged with the linkage gear 11.
As shown in fig. 6 and 7, a through hole 27 for the driving lever shaft 3 to pass through is formed in the middle of the driving member 2, the driving member 2 is coaxially sleeved on the circumferential outer side of the end portion of the driving lever shaft 3, the elastic buffer block 6 is composed of a buffer block ring portion 62 which is annularly arranged and a radial buffer portion 61 which is fixed on the buffer block ring portion 62, the elastic buffer block 6 is sleeved between the driving member 2 and the driving lever shaft 3, and the coupler 5 is located on the axial side of the elastic buffer block 6 and fixed with the driving lever shaft 3. Wherein, driving medium 2 circumference inboard is fixed with first convex body 31, and radial buffering portion 61 is located the buffering piece ring portion 62 circumference outside, and three first convex body 31 is the even interval setting of annular that uses driving medium 2 axis as the center.
As shown in fig. 5, the radial buffer portions 61 are located on the circumferential outer side of the buffer block ring portion 62, two adjacent radial buffer portions 61 are formed with second positioning grooves 64 for matching with the first convex bodies, first positioning grooves 63 are formed in the radial buffer portions 61, and the three first positioning grooves 63 are uniformly spaced in an annular shape with the axis of the elastic buffer block 6 as the center.
As shown in fig. 8, a coupler ring portion 51 is arranged in the middle of the coupler 5 and a middle hole penetrating through the coupler 5 and the coupler ring portion 51 is formed, a buffer block ring portion 62 is sleeved on the outer side of the circumference of the coupler ring portion 51, the coupler ring portion 51 is sleeved and fixed on the outer side of the circumference of the end portion of the shift lever rotating shaft 3, the coupler 5 is in key connection with the shift lever rotating shaft 3, and key grooves 56 are arranged on the inner hole of the coupler 5 and the outer wall of the shift lever rotating shaft 3. The coupler 5 is provided with three second convex bodies 52 which can be matched in the first positioning groove 63, the three second convex bodies 52 are arranged at uniform intervals in an annular shape with the axis of the coupler ring part 51 as the center, and the second convex bodies 52 and the coupler ring part 51 are both positioned on the same side of the coupler.
As shown in fig. 9, the transmission member 2 and the shift lever rotating shaft 3 are fixed in the box 8, a plurality of shift lever detecting switches 7 are annularly arranged in the box 8 at intervals around the axis of the shift lever rotating shaft 3, and a touching member 70 for triggering the shift lever detecting switches 7 is fixed on the coupler 5. The shift position detection switch 7 includes a transmission unit 71 and a reception unit 72, and the end of the trigger 70 has a blocking unit 73 for moving between the transmission unit 71 and the reception unit 72.
Keep off the middle part of driving lever pivot 3 tip and be equipped with along axial open-ended first screw hole 33, the fixed boss 21 that is equipped with in one side that the driving medium 2 kept away from shaft coupling 5, the through-hole 27 of driving medium 2 runs through boss 21, the shaft coupling 5 cover is established on keeping off driving lever pivot 3 tip, first screw hole internal thread fit has locking screw 50, shaft coupling 5 is restricted between locking screw 50 head and boss 21. Wherein, the end surface of the coupling 5 is provided with a second threaded hole 55 which is deviated from the middle part and penetrates along the axial direction, and the second threaded hole 55 is positioned at each second convex body 52.
The utility model has the advantages of enable gearbox internal gear buffering shock attenuation, can prolong gearbox life, can guarantee gearbox normal use.
Claims (10)
1. The utility model provides an AMT gearbox with buffering shock-absorbing function, its characterized in that includes speed change drive mechanism and the actuating mechanism that shifts, speed change drive mechanism is including pulling out the fork, the actuating mechanism that shifts includes driving motor, be used for receiving driving motor moment's driving medium, with keep off the driving lever pivot of keeping off the driving lever linkage, be provided with the linkage space between driving medium and the fender driving lever pivot, be equipped with in the linkage space with the driving medium fixed or with keep off the first convex body that a plurality of interval set up that the driving medium was fixed in the driving lever pivot, through the coupling joint between driving medium and the fender driving lever pivot, the coupling is equipped with the elastic buffer block, the elastic buffer block has the radial buffer portion that a plurality of can cooperate between the adjacent first convex body in linkage space.
2. The AMT gearbox with buffering and shock-absorbing functions as claimed in claim 1, wherein said transmission member and said shift lever rotating shaft are sleeved with each other, said elastic buffer block is composed of a buffer block ring portion disposed annularly and said radial buffer portion fixed on said buffer block ring portion, said elastic buffer block is sleeved between said transmission member and said shift lever rotating shaft, and said shaft coupling is located at the axial side of said elastic buffer block.
3. The AMT gearbox with buffering and damping functions as claimed in claim 2, wherein said transmission member is sleeved on the outer circumferential side of the rotation shaft of said shift lever, said shaft coupler is fixed to the rotation shaft of said shift lever, said first convex body is fixed to the inner circumferential side of said transmission member, and said radial buffering portion is located on the outer circumferential side of said ring portion of said buffering block.
4. The AMT gearbox with buffering and damping functions as claimed in claim 2, wherein said shifting rod rotating shaft is sleeved outside the circumferential direction of the transmission member, said shaft coupler is fixed to the transmission member, said first convex body is fixed to the inner circumferential direction of the shifting rod rotating shaft, and said radial buffer portion is located outside the circumferential direction of said ring portion of said buffer block.
5. The AMT gearbox with buffering and damping functions as claimed in claim 1, 2, 3 or 4, wherein said first protrusions are uniformly spaced in a ring shape centered on the axis of the rotation shaft of the shift lever.
6. The AMT gearbox with buffering and shock-absorbing functions as claimed in claim 1, 2, 3 or 4, wherein said radial buffering portion is provided with a plurality of first positioning grooves, said first positioning grooves are spaced apart from each other, and said coupling is provided with second protrusions capable of fitting in said first positioning grooves.
7. The AMT gearbox with the buffering and damping functions as claimed in claim 3 or 4, wherein the transmission member and the shift lever rotating shaft are fixed in a box body, a plurality of shift position detection switches are arranged in the box body at intervals in an annular manner by taking the axis of the shift lever rotating shaft as a center, and a touch member for triggering the shift position detection switches is fixed on the coupler; the gear detection switch is composed of a transmitting part and a receiving part, and the end part of the touch piece is provided with a separation part used for moving to a position between the transmitting part and the receiving part.
8. The AMT gearbox with the buffering and damping functions as claimed in claim 2, 3 or 4, wherein a coupler ring portion is arranged in the middle of the coupler, the buffering block ring portion is sleeved on the outer side of the circumference of the coupler ring portion, and the coupler ring portion is sleeved and fixed on the outer side of the circumference of the transmission member or the shifting rod rotating shaft.
9. The AMT gearbox with buffering and damping functions as claimed in claim 2, 3 or 4, wherein a first threaded hole which is opened along the axial direction is formed in the middle of the transmission member or the driving blocking lever rotating shaft, a boss is formed at the deviated end of the transmission member or the driving blocking lever rotating shaft, the coupler is sleeved on the end with the first threaded hole, a locking screw is matched with the first threaded hole in a threaded manner, and the coupler is limited between the head of the locking screw and the boss; and a second threaded hole with an opening along the axial direction is formed in the position of the end face of the coupler deviated from the middle part.
10. The AMT gearbox with buffering and shock absorbing functions as claimed in claim 1, 2, 3 or 4, wherein a linkage gear is arranged on the output shaft of the driving motor, and the transmission member is provided with a tooth part for meshing with the linkage gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023326493.8U CN214008041U (en) | 2020-12-31 | 2020-12-31 | AMT gearbox with buffering and damping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023326493.8U CN214008041U (en) | 2020-12-31 | 2020-12-31 | AMT gearbox with buffering and damping functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214008041U true CN214008041U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023326493.8U Active CN214008041U (en) | 2020-12-31 | 2020-12-31 | AMT gearbox with buffering and damping functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214008041U (en) |
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2020
- 2020-12-31 CN CN202023326493.8U patent/CN214008041U/en active Active
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