CN114811035A - Gearshift suitable for two-gear gearbox of automobile - Google Patents
Gearshift suitable for two-gear gearbox of automobile Download PDFInfo
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- CN114811035A CN114811035A CN202210435065.3A CN202210435065A CN114811035A CN 114811035 A CN114811035 A CN 114811035A CN 202210435065 A CN202210435065 A CN 202210435065A CN 114811035 A CN114811035 A CN 114811035A
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- gear
- shaft
- shifting
- gear shifting
- worm
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2892—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted other gears, e.g. worm gears, for transmitting rotary motion to the output mechanism
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
- F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
- F16H2063/3066—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using worm gears
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
- F16H2063/423—Range indicators for automatic transmissions, e.g. showing selected range or mode
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to a gear shifting mechanism suitable for an automobile two-gear gearbox, belonging to the technical field of gearbox gear shifting; a gear shifting motor is fixedly arranged in the gearbox, a coaxial worm is fixed on an output shaft of the gear shifting motor, the horizontal worm is meshed with a fan-shaped turbine with one horizontal side, a gear shaft is fixedly connected to the rotating center of the fan-shaped turbine, the upper end of the gear shaft is rotatably connected with a gear shifting cover plate through a bearing, the upper end of the gear shaft is connected with an angle sensor on the upper end face of the gear shifting cover plate, a gear shifting boss is fixedly arranged on one side of the fan-shaped turbine far away from the worm, a shifting fork shaft is arranged below the gear shifting boss, a gear shifting fork is slidably connected onto the shifting fork shaft, two stop blocks are arranged on the upper end face of the gear shifting fork at intervals, and the gear shifting boss is arranged between the two stop blocks; the problem that the current domestic two-gear transmission is immature in structure is solved.
Description
Technical Field
The invention belongs to the technical field of gear shifting of gearboxes, and particularly relates to a gear shifting mechanism suitable for an automobile two-gear gearbox.
Background
Main parts of a power assembly of the new energy electric automobile are a motor and a gearbox. At present, the motor market is full of flowers, and a plurality of technical routes are formed. In the aspect of the gearbox, most of the vehicles on the market adopt a single-stage reduction gearbox, and the single-stage reduction gearbox has the advantages of no excessive parts, easy quality guarantee, low cost and high reliability. The disadvantage is that the motor cannot work in the optimum efficiency area, and the maximum speed and the maximum climbing gradient are limited. If a low-cost motor with low rotating speed is adopted, the maximum speed of the electric automobile with the single-stage reduction gearbox is generally 80-100 Km/h, and the climbing gradient is generally about 20%. If the maximum speed and the larger climbing gradient are to be increased, a motor with higher cost and higher rotating speed needs to be selected. The two-gear gearbox can overcome the defects of a single-stage reduction gearbox, so that the electric automobile can obtain better maximum speed and maximum climbing gradient, and meanwhile, the motor can work in an optimal efficiency area, thereby improving the endurance mileage by 5-10%.
In the two-gear transmission, a gear shifting mechanism and gear shifting control become the core technology of the two-gear transmission. The two-speed transmission is constructed as a two-speed transmission using a synchronizer structure, such as a bmi 8. There are also two-speed transmissions using planetary wheel structures, such as the Taycan, Porsche. The gear shifting mechanism of the BMW i8 two-gear transmission adopts a threaded axial driving shifting fork to shift gears. The domestic two-gear gearbox is immature, and the gear shifting is performed by adopting a cam groove mechanism or two-stage reduction gears.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the gear shifting mechanism suitable for the two-gear transmission of the automobile; the problem of the immature structure of the current domestic two-gear transmission is solved.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
The gear shifting mechanism is suitable for a two-gear gearbox of an automobile, a gear shifting motor is fixedly arranged inside the gearbox, a coaxial worm is fixed on an output shaft of the gear shifting motor, the horizontal worm is meshed with a fan-shaped turbine of one side level, a gear shaft is fixedly connected with the rotating center of the fan-shaped turbine, the upper end of the gear shaft is rotatably connected with a gear shifting cover plate through a bearing, the upper end of the gear shaft is connected with an angle sensor on the upper end face of the gear shifting cover plate, a gear shifting boss is fixedly arranged on one side, far away from the worm, of the fan-shaped turbine, a shifting fork shaft is arranged below the gear shifting boss, a gear shifting fork is slidably connected onto the shifting fork shaft, two check blocks are arranged on the upper end face of the gear shifting fork at intervals, and the gear shifting boss is arranged between the two check blocks.
Furthermore, the gear assembly is arranged below the shifting fork and comprises a gear shaft, the gear shaft is rotatably connected inside the gearbox through bearings at two ends, the axis of the gear shaft is parallel to the axis of the worm, a first gear and a second gear are sleeved on the gear shaft, and a first gear combining tooth and a second gear combining tooth are fixedly arranged on one side end face, close to each other, of the first gear and the second gear respectively.
Furthermore, a gear shaft between the first gear and the second gear is sleeved with a synchronizer gear sleeve, the synchronizer gear sleeve can slide on the gear shaft, the synchronizer gear sleeve is connected with the synchronizer through a spline structure, and the shifting fork is clamped with the synchronizer gear sleeve.
Furthermore, an output shaft of the gear shifting motor is inserted into a groove in the end face of one end of the worm, and the output shaft and the groove in the worm are fixed through a fixing piece.
Furthermore, a fixing hole which is communicated up and down is formed in the rotating center of the fan-shaped turbine, a vertical blocking shaft is inserted into the fixing hole, a pin hole is formed in the side face of the blocking shaft, a pin hole is also formed in the side wall of the fixing hole, the two pin holes are arranged correspondingly and are inserted into the two pin holes through an elastic pin, and therefore the blocking shaft is fixedly connected with the fan-shaped turbine.
Furthermore, the angle sensor is fixedly connected with the gear shifting cover plate through a bolt, and the part of the gear shifting shaft extending out of the upper end of the gear shifting cover plate is connected with the angle sensor.
Furthermore, the outer side surface of the gear shifting boss is of an arc surface structure.
Furthermore, the two stop blocks are arranged at intervals along the length direction of the shifting fork shaft, and the outer side surfaces of the shifting lug bosses are respectively contacted with the two stop blocks.
Compared with the prior art, the invention has the following beneficial effects:
according to the gear shifting mechanism provided by the invention, the worm drives the fan-shaped turbine to rotate, and the gear shifting operation is realized through the interaction of the gear shifting boss on the fan-shaped turbine and the left and right stop blocks, so that the gear shifting structure is simple and direct, the processing is convenient, and the gear shifting is convenient; simultaneously detect the turned angle of fan-shaped turbine through angle sensor, and then detect the fender position of shifting, can know the fender position of shifting in real time to carry out real-time supervision to shifting.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the present invention with the gear shaft, shift cover and angle sensor removed;
FIG. 2 is a schematic structural view of the present invention as a whole;
FIG. 3 is a cross-sectional view of the present invention;
wherein, 1 is the gear shift motor, 2 is the worm, 3 is fan-shaped turbine, 4 is the shift fork of shifting, 5 is the declutch shift shaft, 6 is two to keep off and combine the tooth, 7 is the synchronous ware tooth cover, 8 is one to keep off and combine the tooth, 9 is the gear position axle, 10 is angle sensor, 11 is the apron of shifting, 12 is the bearing, 13 is the elastic pin, 31 is the boss of shifting, 41 is the dog.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1 to 3, the invention provides a gear shift mechanism suitable for an automobile two-gear gearbox, which comprises a gear shift motor 1, a worm 2, a fan-shaped turbine 3, a gear shift fork 4, a fork shaft 5, a gear shift cover plate 11, an angle sensor 10 and a gear assembly.
The gear shifting motor 1 is fixedly arranged inside the gearbox, an output shaft of the gear shifting motor 1 is horizontally arranged, the worm 2 is fixedly arranged at the output shaft, and the worm 2 and the output shaft are coaxially arranged. An output shaft of the gear shifting motor 1 is inserted into a groove on the end face of one end of the worm 2, and the output shaft and the groove on the worm 2 are fixed through a fixing piece, so that the gear shifting motor 1 drives the worm 2 to rotate together.
One side of the worm 2 is provided with a horizontal fan-shaped turbine 3, the worm 2 is meshed with the fan-shaped turbine 3, and the fan-shaped turbine 3 can be driven to rotate around the rotating center of the fan-shaped turbine along with the rotation of the worm 2. The rotation center department of fan-shaped turbine 3 is provided with a fixed orifices that link up from top to bottom, and the inside grafting of fixed orifices has a vertical fender position axle, is provided with a pinhole on the side of keeping off the position axle, also is provided with a pinhole on the lateral wall of fixed orifices, and two corresponding settings of pinhole are pegged graft in two pinholes through an elastic pin 13 to keep off position axle and 3 looks fixed connection of fan-shaped turbine, keep off the position axle like this and can be along with fan-shaped turbine 3 synchronous rotations.
The upper end of the gear shaft is inserted into the gear shifting cover plate 11, the gear shaft is rotatably connected to the gear shifting cover plate 11 through a bearing 12, and the gear shifting cover plate 11 is installed at the upper end of the gearbox. An angle sensor 10 is fixedly arranged on the upper end face of the gear shifting cover plate 11, and the angle sensor 10 is fixedly connected with the gear shifting cover plate 11 through a bolt. The part of the gear shaft extending out of the upper end of the gear cover plate 11 is connected with an angle sensor 10, and when the gear shaft rotates, the angle sensor 10 can detect the rotating angle of the gear shaft.
A gear shifting boss 31 is arranged on one side, far away from the worm 2, of the fan-shaped turbine 3, and a connecting line between the midpoint of the meshing surface of the fan-shaped turbine 3 and the gear shifting boss 31 passes through the axis of the fixing hole. The outer side surface of the gear shifting boss 31 is of an arc surface structure, and the upper end surface and the lower end surface of the gear shifting boss 31 are of a plane structure. The shift boss 31 rotates with the rotation of the sector turbine 3.
One side of the fan-shaped turbine 3, which is far away from the worm 2, is provided with a shifting fork shaft 5, the shifting fork shaft 5 is positioned below the gear shifting boss 31, and the axis of the shifting fork shaft 5 is parallel to the axis of the worm 2. Two ends of the shifting fork shaft 5 are respectively and fixedly connected with the inner wall of the gearbox. The shifting fork 4 is sleeved on the shifting fork shaft 5, and the shifting fork 4 is in clearance fit with the shifting fork shaft 5, so that the shifting fork 4 can axially slide on the shifting fork shaft 5. Two stoppers 41 are fixedly arranged on the upper end surface of the shift fork 4, and the two stoppers 41 are arranged along the length direction of the fork shaft 5 at intervals. The shift boss 31 is located between the two stoppers 41, and the outer side surfaces of the shift boss 31 are respectively in contact with the two stoppers 41.
When the shift boss 31 rotates together with the sector turbine 3, the shift boss 31 contacts one of the stoppers 41 to apply a pressing force to the stopper 41, and the stopper 41 pushes the shift fork 4 to slide on the fork shaft 5.
The gear assembly comprises a gear shaft, and the gear shaft is rotatably connected inside the gearbox through bearings at two ends. The axis of gear shaft and the axis parallel arrangement of worm 2, the gear shaft sets up in the below of shift fork 4. The gear shaft is sleeved with a first gear and a second gear, a first gear combination tooth 8 and a second gear combination tooth 6 are fixedly arranged on the end face, close to each other, of one side of the first gear and the second gear respectively, the first gear combination tooth 8 rotates synchronously along with the first gear, and the second gear combination tooth 6 rotates synchronously along with the second gear. A gear shaft between the first gear and the second gear is sleeved with a synchronizer gear sleeve 7, the synchronizer gear sleeve 7 can slide on the synchronizer, the synchronizer gear sleeve 7 is connected with the synchronizer through a spline structure, and the gear shaft can drive the synchronizer gear sleeve 7 to synchronously rotate.
The gear shifting fork 4 is clamped with the synchronizer gear sleeve 7, and the gear shifting fork 4 can drive the synchronizer gear to slide together.
The working principle of the invention is as follows:
when the automobile needs to shift gears, the gear shifting motor 1 is controlled through the TCU, the motor rotates for a certain angle, the gear shifting motor 1 drives the worm 2 to rotate, and the worm 2 drives the fan-shaped turbine 3 to rotate. Through worm 2 and fan-shaped turbine 3's setting, can change the direction of rotation 90 degrees, vertical by the level transition, fan-shaped turbine 3 rotates around keeping off the position axle, and fan-shaped turbine 3 drives simultaneously and keeps off the position axle synchronous rotation. The boss 31 of shifting on the fan-shaped turbine 3 rotates along with the fan-shaped turbine 3 is synchronous, and the boss 31 of shifting can drive the shift fork 4 of shifting to slide along shift fork axle 5 through dog 41 like this to drive synchronizer gear sleeve 7 and slide on the synchronizer, thereby realized the function of shifting.
When the shifting fork 4 pushes the synchronizer gear sleeve 7 to be combined with the first gear combination tooth 8, the working condition of 1 gear is adopted. When the gear shifting motor 1 rotates reversely, the gear shifting fork 4 pushes the synchronizer gear sleeve 7 to be combined with the two-gear combination tooth 6, and the working condition of 2 gears is achieved at the moment.
Because the gear shaft 9 and the fan-shaped turbine 3 are fixedly connected through the elastic pin 13, the gear shaft 9 rotates synchronously with the fan-shaped turbine 3, and the angle sensor 10 on the gear shifting cover plate 11 can detect the angle of the gear shaft, so that a gear signal is judged, namely, the gear signal is in 1 gear, neutral gear or 2 gear.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. Gearshift suitable for two speed transmission of car, its characterized in that: the gear shifting motor (1) is fixedly arranged inside the gearbox, a coaxial worm (2) is fixed on an output shaft of the gear shifting motor (1), the horizontal worm (2) is meshed with a fan-shaped turbine (3) with one horizontal side, a gear shaft (9) is fixedly connected to the rotating center of the fan-shaped turbine (3), the upper end of the gear shaft (9) is rotatably connected with a gear shifting cover plate (11) through a bearing (12), the upper end of the gear shaft (9) is connected with an angle sensor (10) on the upper end face of the gear shifting cover plate (11), a gear shifting boss (31) is fixedly arranged on one side, away from the worm (2), of the fan-shaped turbine (3), a shifting fork shaft (5) is arranged below the gear shifting boss (31), a gear shifting fork (4) is slidably connected onto the shifting fork shaft (5), two stop blocks (41) are arranged on the upper end face of the gear shifting fork (4) at intervals, and the gear shifting boss (31) is arranged between the two stop blocks (41).
2. A gear change mechanism suitable for use in a two speed transmission of an automotive vehicle according to claim 1 wherein: the below of shift fork is provided with the gear assembly, and the gear assembly includes the gear shaft, and the gear shaft passes through the bearing at both ends and is connected at gearbox internal rotation, and the axis of gear shaft and the axis parallel arrangement of worm (2) have cup jointed one and have kept off the gear and keep off the gear on the gear shaft, fixedly respectively on one keep off gear and keep off a side end face that the gear is close to each other and keep off combination tooth (8) and keep off combination tooth (6).
3. A gear change mechanism suitable for use in a two speed transmission of a vehicle according to claim 2 wherein: a gear shaft between the first gear and the second gear is sleeved with a synchronizer gear sleeve (7), the synchronizer gear sleeve (7) can slide on the gear shaft, the synchronizer gear sleeve (7) is connected with a synchronizer through a spline structure, and the shifting fork (4) is clamped with the synchronizer gear sleeve (7).
4. A gear change mechanism suitable for use in a two speed transmission of an automotive vehicle according to claim 1 wherein: an output shaft of the gear shifting motor (1) is inserted into a groove on the end face of one end of the worm (2), and the output shaft and the groove on the worm (2) are fixed through a fixing piece.
5. A gear change mechanism suitable for use in a two speed transmission of an automotive vehicle according to claim 1 wherein: the rotary center of the fan-shaped turbine (3) is provided with a fixing hole which is through up and down, a vertical stop shaft (9) is inserted into the fixing hole, a pin hole is formed in the side face of the stop shaft (9), a pin hole is also formed in the side wall of the fixing hole, the two pin holes are arranged correspondingly and are inserted into the two pin holes through an elastic pin (13), and therefore the stop shaft (9) is fixedly connected with the fan-shaped turbine (3).
6. A gear change mechanism suitable for use in a two speed transmission of an automotive vehicle according to claim 1 wherein: the angle sensor (10) is fixedly connected with the gear shifting cover plate (11) through a bolt, and the part of the gear shifting shaft (9) extending out of the upper end of the gear shifting cover plate (11) is connected with the angle sensor (10).
7. A gear change mechanism suitable for use in a two speed transmission of an automotive vehicle according to claim 1 wherein: the outer side surface of the gear shifting boss (31) is of an arc surface structure.
8. A gear change mechanism suitable for use in a two speed transmission of an automotive vehicle according to claim 1 wherein: the two stop blocks (41) are arranged at intervals along the length direction of the shifting fork shaft (5), and the outer side surfaces of the shifting lug bosses (31) are respectively contacted with the two stop blocks (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210435065.3A CN114811035A (en) | 2022-04-24 | 2022-04-24 | Gearshift suitable for two-gear gearbox of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210435065.3A CN114811035A (en) | 2022-04-24 | 2022-04-24 | Gearshift suitable for two-gear gearbox of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114811035A true CN114811035A (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210435065.3A Pending CN114811035A (en) | 2022-04-24 | 2022-04-24 | Gearshift suitable for two-gear gearbox of automobile |
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| Country | Link |
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| CN (1) | CN114811035A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126865A (en) * | 2022-08-16 | 2022-09-30 | 一汽解放汽车有限公司 | Gearbox synchronizer operating mechanism, gearbox and automobile |
-
2022
- 2022-04-24 CN CN202210435065.3A patent/CN114811035A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126865A (en) * | 2022-08-16 | 2022-09-30 | 一汽解放汽车有限公司 | Gearbox synchronizer operating mechanism, gearbox and automobile |
| CN115126865B (en) * | 2022-08-16 | 2023-07-14 | 一汽解放汽车有限公司 | Gearbox synchronizer operating mechanism, gearbox and automobile |
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