CN111219482B - Electron gear shift and car - Google Patents
Electron gear shift and car Download PDFInfo
- Publication number
- CN111219482B CN111219482B CN202010065480.5A CN202010065480A CN111219482B CN 111219482 B CN111219482 B CN 111219482B CN 202010065480 A CN202010065480 A CN 202010065480A CN 111219482 B CN111219482 B CN 111219482B
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- Prior art keywords
- shifter
- gear
- electronic
- limiting structure
- integrated key
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H59/12—Range selector apparatus comprising push button 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H2059/026—Details or special features of the selector casing or lever support
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
Abstract
The invention relates to the technical field of automobiles, in particular to an electronic gear shifter and an automobile, wherein the electronic gear shifter is arranged on an auxiliary instrument board of the automobile and comprises a gear shifter body, the gear shifter body comprises a gear shift lever and a rotating center, the gear shift lever is rotatably connected with the rotating center, the electronic gear shifter also comprises an integrated key and a limiting structure, the integrated key is detachably connected with the limiting structure, the bottom of the integrated key is provided with a limiting hole, the integrated key is sleeved at one end of the limiting structure through the limiting hole, the other end of the limiting structure is fixedly connected with the gear shift lever, and when external force is applied, the integrated key can drive the limiting structure and the gear shift lever to rotate around the rotating center. According to the electronic gear shifter, the vehicle key is integrated with the gear shifting handball function, so that the vehicle design is more attractive and concise, and the production cost of the whole vehicle can be reduced.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an electronic gear shifter and an automobile.
Background
With the advancement of society, automobiles have become popular in every family, and china has also entered the automobile age. The automobile is not only a travel tool but also a part of daily life of people, and various facilities and operating devices on the automobile are more convenient along with technological progress.
With the continuous progress and development of modern automobile technology, many mechanical control gear shifting mechanisms on automobiles are replaced by electronic control, electronic gear shifting realizes the electronization of mechanical parts, mechanical connection between a traditional gear shifter and a transmission is cancelled, and gear shifting is directly completed through electronic control. Compared with the traditional mechanical gear shifting, the electronic gear shifting system provides users with unique and dazzling appearance, brand new customer experience brought by novel operation mode, occupies small space, is easy to arrange and the like, is loved by more and more users, and is becoming a trend of the development of automobile gear shifting technology.
In the prior art, a front-stage electronic gear shifter sends a gear shifting instruction to realize an automobile gear shifting function, and an electronic gear shifting actuator executes mechanical action to drive a gear box to change gears and feeds back an electric signal of a current position to realize the automobile gear shifting function. The electronic gear shifter manually controls a gear shifting rod through a gear shifting handball to drive the rocker arm to swing by a certain angle, and the Hall sensor on the circuit board is used for sensing the swinging angle of the magnet on the rocker arm to realize the output of a gear shifting electric signal. The shifting handball of the prior art is assembled with the electronic shifter and protrudes out of the auxiliary instrument panel, so that the design of the auxiliary instrument panel is complicated, and the storage space of the vehicle is influenced.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide an electronic gear shifter and an automobile, which can make the design of the automobile more beautiful and simple and reduce the production cost of the whole automobile.
In order to solve the problems, the invention provides an electronic gear shifter which is arranged on an automobile auxiliary instrument board and comprises a gear shifter body, wherein the gear shifter body comprises a gear shift lever and a rotation center, the gear shift lever is rotatably connected with the rotation center, the electronic gear shifter also comprises an integrated key and a limiting structure, the integrated key is detachably connected with the limiting structure, a limiting hole is formed in the bottom of the integrated key, the integrated key is sleeved at one end of the limiting structure through the limiting hole, the other end of the limiting structure is fixedly connected with the gear shift lever, and when external force is applied, the integrated key can drive the limiting structure and the gear shift lever to rotate around the rotation center.
Further, the electronic gear shifter further comprises a return structure fixedly connected with the gear shifter body, and when the external force disappears, the return structure can drive the limiting structure and the integrated key to return to the initial position.
Specifically, the integrated key is connected with the limiting structure in an adsorption mode, the limiting structure is a limiting electromagnet, and when the whole vehicle is powered on, the limiting structure can adsorb the integrated key.
Specifically, the integrated key with limit structure threaded connection, the spacing downthehole internal thread that is provided with, limit structure's one end be provided with the external screw thread that the internal thread matches.
Further, the shifter body is of a monostable five-point structure.
Furthermore, the electronic gear shifter further comprises a parking gear key, the parking gear key is arranged on an auxiliary instrument panel of the automobile, and the parking gear key is in communication connection with the gear shifter body.
Further, a hall sensor is arranged in the gear shifter body and used for acquiring the position information of the limiting structure.
Specifically, the hall sensor is a three-dimensional hall sensor or a plurality of switch hall sensors.
Preferably, the limiting hole is a strip-shaped hole.
Another aspect of the invention is to provide an automobile comprising the electronic shifter as described above.
Due to the technical scheme, the invention has the following beneficial effects:
(1) The electronic gear shifter provided by the invention integrates the function of the electronic gear shifting handball through the vehicle key, is fixedly connected with the gear shifter body in the modes of electromagnetic suction, threaded connection and the like when the vehicle is started, can be detached at any time when the vehicle is not started, is convenient to mount and detach, can enable the design of the vehicle to be more attractive and concise, can increase the storage space of the vehicle, and improves the user experience.
(2) The electronic gear shifter integrates the function of the electronic gear shifting handball through the vehicle key, can reduce the design and the production of the electronic handball, and further reduces the production cost of the vehicle.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of an electronic shifter provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a motion trajectory of an integrated key provided by an embodiment of the present invention;
FIG. 3 is a schematic view of a point location configuration of a shifter body provided by an embodiment of the present invention.
In the figure: the automatic transmission comprises a shifter body, 11-a shell, 12-a wiring harness connector, 13-a circuit board, 2-an integrated key and 3-a limiting structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
Referring to the attached drawings 1 to 3 in the specification, an embodiment of the invention provides an electronic gear shifter, which is arranged on an automobile auxiliary instrument panel and comprises a gear shifter body 1, wherein the gear shifter body 1 comprises a gear shift lever and a rotation center, the gear shift lever is rotatably connected with the rotation center, the electronic gear shifter can further comprise an integrated key 2 and a limiting structure 3, the integrated key 2 is detachably connected with the limiting structure 3, a limiting hole is formed in the bottom of the integrated key 2, the integrated key 2 is sleeved at one end of the limiting structure 3 through the limiting hole, the other end of the limiting structure 3 is fixedly connected with the gear shift lever, and when external force is applied, the integrated key 2 can drive the limiting structure 3 and the gear shift lever to rotate around the rotation center.
In the embodiment of the invention, the limiting hole can be a strip-shaped hole. Correspondingly, the limiting structure 3 can be a columnar structure with a long-strip-shaped cross section, and the size of the limiting structure 3 is slightly smaller than that of the limiting hole, so that the integrated key 2 can be sleeved above the limiting structure 3. It should be noted that in some possible embodiments, the limiting hole and the limiting structure 3 may have other shapes, such as a polygonal shape, a polygonal prism structure, and the like, and the invention is not limited thereto.
In the embodiment of the invention, the integrated key 2 and the limiting structure 3 can be connected in an adsorption manner, the limiting structure 3 can be a limiting electromagnet, and when the whole vehicle is powered on, the limiting structure 3 can adsorb the integrated key 2. The integrated key 2 can comprise a metal part adsorbed by the electromagnet, after the whole vehicle is electrified, the limit electromagnet can generate an attractive force through electromagnetic induction to adsorb the integrated key 2 above the limit electromagnet, so that the integrated key 2 can be prevented from falling off in the driving process; after the power is cut off, the attractive force disappears, and the integrated key 2 can be easily taken down.
Further, the electronic gear shifter may further include a return structure fixedly connected to the gear shifter body 1, and when the external force disappears, the return structure may drive the limiting structure 3 and the integrated key 2 to return to the initial position.
In the embodiment of the present invention, the shifter body 1 may further include a housing 11, the housing 11 is provided with a through hole, the whole body formed by the shift lever and the limiting structure 3 is inserted into the through hole of the housing 11, and the diameter of the through hole is larger than the outer diameter of the whole body formed by the shift lever and the limiting structure 3. Return structure set up in the through-hole with casing 11 fixed connection of selector body 1, return structure can be elastic construction, also can be provided with the through-hole among the return structure, the shift lever with whole the wearing to locate that limit structure 3 formed in the through-hole of return structure, when external force disappears, return structure can drive limit structure 3 with integrated key 2 reverts initial position. It should be noted that, in some possible embodiments, the return structure may also be another structure, and the present invention is not limited to this.
Further, the electronic shifter may further include a parking position key, the parking position key is disposed on an auxiliary instrument panel of the automobile, and the parking position key is in communication connection with the shifter body 1.
In an embodiment of the present invention, a housing 11 of the shifter body 1 may be provided with a harness connector 12, and the parking position key may be communicatively connected to the shifter body 1 through the harness connector 12.
In an embodiment of the present invention, the shifter body 1 can be a monostable five-point structure. As shown in fig. 3, the motion trajectory of the limiting structure 3 may include five points, "O" as the origin. Move all around integrated key 2 can Drive limit structure 3 realizes the gear switching of Reverse gear (R shelves), neutral (Neutral, N shelves), the gear (Drive, D shelves), manual shelves + (Manual +, M + shelves) and Manual shelves subtract (Manual-, M-shelves) on the selector. It should be noted that, in some possible embodiments, the shift positions of the shifter body 1 can have other structures, and the present invention is not limited thereto.
Further, a hall sensor is arranged in the shifter body 1 and used for acquiring the position information of the limiting structure 3. Specifically, the hall sensor may be a three-dimensional hall sensor or a plurality of switching hall sensors. The hall sensor can also communicate with an automobile controller local area network bus through the wiring harness connector 12, and is used for sending the acquired position signal of the limiting structure 3 to a vehicle control system. Specifically, the hall sensors may be provided in the circuit board 13 of the shifter body 1, and the number of the switch hall sensors may be five.
The following describes a method of using an electronic shifter provided by an embodiment of the present invention. After a driver gets on the vehicle, the integrated key 2 can be sleeved on the limiting structure 3, the whole vehicle is electrified, the limiting structure 3 generates attraction force, the integrated key 2 is firmly attracted, and preparation is made for gear shifting, and at the moment, the integrated key 2 cannot be taken down. When a driver needs to shift gears, the integrated key 2 can move left and right, the limiting structure 3 is driven to move on the gear shifter body 1, a Hall sensor in the gear shifter body 1 collects position information of the limiting structure 3, the position information is sent to a vehicle control system through an automobile controller local area network bus, the vehicle control system analyzes the position information and the condition (such as braking condition) of the whole automobile to obtain gear change information, and the gear change information is sent to a gear shift execution module to realize a gear shift function.
Specifically, a driver clicks the Parking gear key to switch to a Parking gear (park, P gear), steps on a brake pedal in a P gear state to move the integrated key 2 to get out of the P gear, moves the integrated key 2 left and right to switch to an "M" mode, moves the integrated key 2 back and forth to exit the "M" mode, and a specific gear matrix is shown in table 1-1. The driver can switch to the corresponding gear by operating according to the gear logic. For example, if the current gear is the P gear, the integrated key 2 is moved upward, and then the brake pedal is stepped on, so that the gear can be switched to the N gear.
TABLE 1-1 electronic Shift Range logic
The embodiment of the invention also provides an automobile which comprises the electronic gear shifter.
In summary, the electronic shifter of the present invention has the following advantages:
(1) The electronic gear shifter provided by the invention integrates the function of the electronic gear shifting handball through the vehicle key, is fixedly connected with the gear shifter body in modes of electromagnetic attraction and the like when the vehicle is started, can be detached at any time when the vehicle is not started, is convenient to mount and detach, can enable the vehicle design to be more attractive and concise, can increase the storage space of the vehicle, and improves the user experience.
(2) The electronic gear shifter integrates the function of the electronic gear shifting handball through the vehicle key, can reduce the design and the production of the electronic handball, and further reduces the production cost of the vehicle.
Example 2
Referring to the attached drawings 1 to 3 in the specification, an embodiment of the invention provides an electronic gear shifter, which is arranged on an automobile auxiliary instrument panel and comprises a gear shifter body 1, wherein the gear shifter body 1 comprises a gear shift lever and a rotation center, the gear shift lever is rotatably connected with the rotation center, the electronic gear shifter can further comprise an integrated key 2 and a limiting structure 3, the integrated key 2 is detachably connected with the limiting structure 3, a limiting hole is formed in the bottom of the integrated key 2, the integrated key 2 is sleeved at one end of the limiting structure 3 through the limiting hole, the other end of the limiting structure 3 is fixedly connected with the gear shift lever, and when external force is applied, the integrated key 2 can drive the limiting structure 3 and the gear shift lever to rotate around the rotation center.
In the embodiment of the invention, the limiting hole can be a strip-shaped hole. Correspondingly, the limiting structure 3 can be a columnar structure with a long-strip-shaped cross section, and the size of the limiting structure 3 is slightly smaller than that of the limiting hole, so that the integrated key 2 can be sleeved above the limiting structure 3. It should be noted that in some possible embodiments, the limiting hole and the limiting structure 3 may have other shapes, such as a polygonal shape, a polygonal prism structure, and the like, and the invention is not limited thereto.
In the embodiment of the invention, the integrated key 2 and the limiting structure 3 can be in threaded connection, an internal thread is arranged in the limiting hole, an external thread matched with the internal thread is arranged at one end of the limiting structure 3, and the integrated key 2 can be fixed on the limiting structure 3 through the internal thread and the external thread. It should be noted that, in some possible embodiments, the integrated key 2 and the limiting structure 3 may also adopt other detachable mechanical connection manners (for example, bolt connection), and it is only necessary to ensure that the integrated key 2 does not loosen during the use of the electronic shifter, which is not limited by the present invention.
Further, the electronic gear shifter may further include a return structure fixedly connected to the gear shifter body 1, and when the external force disappears, the return structure can drive the limiting structure 3 and the integrated key 2 to return to the initial position.
In the embodiment of the present invention, the shifter body 1 may further include a housing 11, the housing 11 is provided with a through hole, the whole body formed by the shift lever and the limiting structure 3 is inserted into the through hole of the housing 11, and the diameter of the through hole is larger than the outer diameter of the whole body formed by the shift lever and the limiting structure 3. The return structure can be the structure of thimble plus the flute profile, and when external force disappeared, return structure can drive limit structure 3 with integrated key 2 reverts to initial position. It should be noted that, in some possible embodiments, the return structure may also be another structure, and the present invention is not limited to this.
Further, the electronic shifter may further include a parking position key disposed on a dashboard of the automobile, and the parking position key is in communication with the shifter body 1.
In an embodiment of the present invention, a case 11 of the shifter body 1 may be provided with a wire harness connector 12, and the parking position key may be communicatively connected to the shifter body 1 through the wire harness connector 12.
In the embodiment of the present invention, the shifter body 1 can be a monostable five-point structure. As shown in fig. 3, the motion trajectory of the limiting structure 3 may include five points, "O" as the origin. Move all around integrated key 2 can Drive limit structure 3 realizes the gear switching of Reverse gear (R shelves), neutral (Neutral, N shelves), the gear (Drive, D shelves), manual shelves + (Manual +, M + shelves) and Manual shelves subtract (Manual-, M-shelves) on the selector. It should be noted that, in some possible embodiments, the shift positions of the shifter body 1 can have other structures, and the present invention is not limited thereto.
Further, a hall sensor is arranged in the gear shifter body 1 and used for acquiring the position information of the limiting structure 3. Specifically, the hall sensor may be a three-dimensional hall sensor or a plurality of switching hall sensors. The hall sensor can also communicate with an automobile controller local area network bus through the wiring harness connector 12, and is used for sending the acquired position signal of the limiting structure 3 to a vehicle control system. Specifically, the hall sensors may be provided in the circuit board 13 of the shifter body 1, and the number of the switch hall sensors may be five.
The method for using the electronic shifter provided by the embodiment of the invention can refer to the embodiment 1.
The embodiment of the invention also provides an automobile which comprises the electronic gear shifter.
In summary, the electronic shifter of the present invention has the following advantages:
(1) The electronic gear shifter provided by the invention integrates the function of the electronic gear shifting handball through the vehicle key, is fixedly connected with the gear shifter body in a threaded connection mode and the like when the vehicle is started, can be detached at any time when the vehicle is not started, is convenient to mount and detach, can enable the vehicle design to be more attractive and concise, can increase the storage space of the vehicle, and improves the user experience.
(2) The electronic gear shifter integrates the function of the electronic gear shifting handball through the vehicle key, can reduce the design and production of the electronic handball, and further reduces the production cost of the vehicle.
The foregoing description has disclosed fully preferred embodiments of the present invention. It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the appended claims. Accordingly, the scope of the appended claims is not to be limited to the specific embodiments described above.
Claims (8)
1. An electronic gear shifter is arranged on an automobile auxiliary instrument panel and comprises a gear shifter body, wherein the gear shifter body comprises a gear shift lever and a rotating center, the gear shift lever is rotatably connected with the rotating center, and the electronic gear shift gear shifter is characterized by further comprising an integrated key and a limiting structure, the integrated key integrates functions of a vehicle key and an electronic gear shift handball, the integrated key is detachably connected with the limiting structure, a limiting hole is formed in the bottom of the integrated key, the integrated key is sleeved at one end of the limiting structure through the limiting hole, the other end of the limiting structure is fixedly connected with the gear shift lever, and when external force is applied to the integrated key, the limiting structure and the gear shift lever can be driven to rotate around the rotating center by the integrated key;
a Hall sensor in the gear shifter body acquires the position information of the limiting structure so as to realize the gear shifting function according to the position information;
the integrated key is connected with the limiting structure in an adsorption mode, the limiting structure is a limiting electromagnet, and when the whole vehicle is powered on, the limiting structure can adsorb the integrated key.
2. The electronic shifter of claim 1, further comprising a return structure fixedly coupled to the shifter body, the return structure being capable of bringing the limit structure and the integrated key back to an initial position when the external force is removed.
3. The electronic shifter of claim 1, wherein the integrated key is threadably coupled to the limit structure, wherein an internal thread is disposed within the limit aperture, and wherein an external thread is disposed at an end of the limit structure that mates with the internal thread.
4. The electronic shifter of claim 1, wherein the shifter body is a monostable five point configuration.
5. The electronic shifter of claim 1 or 4, further comprising a park position key disposed on a fascia console of a vehicle, the park position key communicatively coupled to the shifter body.
6. The electronic shifter of claim 1, wherein the hall sensor is a three-dimensional hall sensor or a plurality of switched hall sensors.
7. The electronic shifter of claim 1, wherein the limit hole is a bar-shaped hole.
8. An automobile, comprising the electronic shifter of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065480.5A CN111219482B (en) | 2020-01-20 | 2020-01-20 | Electron gear shift and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065480.5A CN111219482B (en) | 2020-01-20 | 2020-01-20 | Electron gear shift and car |
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| Publication Number | Publication Date |
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| CN111219482A CN111219482A (en) | 2020-06-02 |
| CN111219482B true CN111219482B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010065480.5A Active CN111219482B (en) | 2020-01-20 | 2020-01-20 | Electron gear shift and car |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114962614B (en) * | 2021-02-24 | 2024-01-19 | 广州汽车集团股份有限公司 | Sliding type electronic gear shifter, gear shifting method and automobile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4401945C1 (en) * | 1994-01-24 | 1995-03-23 | Daimler Benz Ag | Selection device of an automatic gear changing device of a gear change box of a motor vehicle |
| DE10349153A1 (en) * | 2003-10-15 | 2005-05-12 | Volkswagen Ag | Switch set up e.g. for ignition starter switch and car gearing |
| KR100726546B1 (en) * | 2005-10-05 | 2007-06-11 | 현대모비스 주식회사 | A structure of electronic shift lever for vehicle |
| CN2918167Y (en) * | 2006-06-04 | 2007-07-04 | 朱洪元 | Anti-theft split gear lever for car |
| CN203906753U (en) * | 2014-05-23 | 2014-10-29 | 黄建平 | Automobile gear lever |
| CN205896137U (en) * | 2016-06-20 | 2017-01-18 | 诸暨市强宇管道科技有限公司 | Antiskid formula gear control rod |
| CN111963669A (en) * | 2019-05-20 | 2020-11-20 | 广州汽车集团股份有限公司 | Key gear level, seat, gearshift and car |
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