CN112648361B

CN112648361B - Electronic gear shifter

Info

Publication number: CN112648361B
Application number: CN201910964383.7A
Authority: CN
Inventors: 傅兵; 谭火南; 戴明; 梅彦; 刘益东
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2022-07-12
Anticipated expiration: 2039-10-11
Also published as: CN112648361A

Abstract

The invention provides an electronic gear shifter which comprises a gear shifting shell, a gear button, a PCB (printed circuit board) assembly and an up-down gear assembly, wherein the gear button is arranged on the gear shifting shell; and when the plus-minus shift knob is rotated, the PCB assembly can send a plus-minus shift signal to the speed changer according to the direction of the single rotation plus-minus shift knob. Integrated fender button and add and subtract the fender subassembly, when the user pressed the fender button, the PCB board subassembly sent corresponding fender position signal in order to shift to corresponding fender position to the derailleur, and manual rotation adds and subtracts the fender knob and can increase or reduce the concrete fender position that advances, adds and subtracts the fender and is related to with adding the rotation direction of adding and subtracting the fender knob, and release rotation angle retrains, avoids the maloperation, increases the convenience and the interest of manual fender operation.

Description

Electronic gear shifter

Technical Field

The invention belongs to the field of gear shifting, and particularly relates to an electronic gear shifter.

Background

Along with increasingly fierce competition of the automobile industry, the automobile human-computer interaction personalized design requirement is higher and higher, the personalized design requirement also exists as an important gear shifting operation mode of the automobile human-computer interaction, and currently, electronic gear shifting operation modes of passenger cars mainly include a rod type operation mode, a knob type operation mode, a key type operation mode and a hand-held gear type operation mode.

In the conventional knob type electronic gear shifter, R/N/D gear switching is realized by rotating a knob, and P gear switching is realized by pressing a physical key; in the existing key type electronic gear shifter, P/R/N/D gear switching is realized by pressing four independent physical keys respectively; the two electronic gear shifters can not realize manual gear shifting, and the positions of knobs or physical keys need to be observed in a head-down mode during gear shifting, so that driving safety is affected.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: to current scheme can not realize manual adding and subtract the fender, provides an electron selector.

In order to solve the technical problem, an embodiment of the invention provides an electronic gear shifter, which comprises a gear shifting shell, a gear button, an up-down gear assembly and a PCB assembly, wherein the gear button is arranged on the gear shifting shell, and the PCB assembly is fixed in the gear shifting shell and can send a gear signal to a transmission when the gear button is pressed; the gear shifting assembly comprises a gear shifting shell, a gear shifting shaft and a gear shifting shaft, wherein the gear shifting shaft is connected with the gear shifting shell in a rotating mode; and when the shift knob is rotated, the PCB assembly can send a shift signal to the transmission according to the direction of the single rotation of the shift knob.

Optionally, the shift-up and shift-down assembly further comprises a shift-up and shift-down sliding rod and a return spring;

the gear shifting knob is provided with a gear ring;

the gear-shifting shell is provided with a gear-shifting slide bar and a gear-shifting slide bar, wherein the gear-shifting slide bar is arranged on the gear-shifting shell in a sliding manner and can extend into or withdraw from a tooth groove of the gear ring;

the return spring is arranged between the gear shifting shell and the plus and minus gear sliding rod and prompts the plus and minus gear sliding rod to return to the tooth groove.

Optionally, the gear shift key is located outside the periphery of the plus-minus shift knob, and includes four keys distributed along the circumference of the plus-minus shift knob, and the four keys are a D-shift key, a R-shift key, a P-shift key, and an N-shift key, respectively.

Optionally, the upper end of the shift-up/down knob protrudes out of the shift housing, and the four keys are distributed outside the front side, the rear side, the left side and the right side of the shift-up/down knob.

Optionally, add and subtract and keep off subassembly still including locating add and subtract the magnetite on the fender knob, the PCB board subassembly includes the PCB board and locates respectively sensor on the PCB board, fender position switch and connector, keep off the position switch with it is relative to keep off the position button, press when keeping off the position button keep off the position switch-on, the sensor is used for detecting the direction of rotation of magnetite, the connector is used for connecting the derailleur.

Optionally, the gear shifting housing comprises an upper shell and a lower shell, wherein a receiving groove is formed between the upper shell and the lower shell, and the receiving groove comprises a first receiving sub-groove and a second receiving sub-groove which is located on the periphery of the first receiving sub-groove and communicated with the first receiving sub-groove;

the middle part of the PCB is positioned in the first containing sub-groove, and the outer end of the PCB is positioned in the second containing sub-groove;

the plus and minus shift knob is arranged in the first containing sub-groove, and the upper end of the plus and minus shift knob is exposed out of the upper shell;

the gear key is arranged on the second accommodating sub-groove, and the upper end of the gear key is exposed out of the upper shell.

Optionally, be equipped with location structure on the PCB board on the epitheca, be equipped with location structure and connector mounting groove under the PCB board on the inferior valve, the epitheca with when inferior valve lid closes PCB board butt in location structure on the PCB board with between the location structure under the PCB board, the connector is located the connector mounting groove, and expose outside the inferior valve.

Optionally, an installing groove for a plus/minus shift knob is formed in the upper shell, a knob positioning structure is arranged on the lower shell, and a first avoidance groove is formed in the PCB;

the gear-increasing and gear-reducing knob is embedded in the gear-increasing and gear-reducing knob mounting groove, the lower end of the gear-increasing and gear-reducing knob is located in the accommodating groove, and the upper end of the gear-increasing and gear-reducing knob extends out of the upper shell;

the knob positioning structure penetrates through the first avoidance groove and is abutted to the lower side of the plus-minus shift knob.

Optionally, an upper plus-minus shift guide groove is formed in the upper shell, a lower plus-minus shift guide groove is formed in the lower shell, and a second avoidance groove for avoiding the lower side of the plus-minus shift assembly is formed in the PCB;

the upper guide groove of the plus-minus baffle comprises a first sub-groove, a second sub-groove and a third sub-groove which are communicated in sequence;

the shift-up and shift-down sliding rod comprises a rod body and a stopping part arranged on the rod body, the rod body is slidably arranged in the first sub-groove, the second sub-groove and the third sub-groove, and the stopping part is limited in the second sub-groove and the shift-up and shift-down lower guide groove;

the return spring is positioned in the second sub-groove, sleeved on the rod body and abutted between one end of the second sub-groove in the sliding direction of the rod body and the stopping part;

when the gear adding and reducing knob is rotated, the front end of the rod body can extend out of the third sub-groove or retract into the third sub-groove.

Optionally, the PCB further comprises an elastic pad, the elastic pad is arranged at the outer end of the PCB, and a key sensing structure is formed on the elastic pad;

the gear key comprises a key sensing structure, a conductive contact and a key cap, the conductive contact is arranged on one side, close to the PCB, of the key sensing structure, and the conductive contact is communicated with the gear switch when the gear key is pressed down;

the upper shell is provided with a key cap positioning groove, and the key cap is sleeved on the key sensing structure and is clamped and embedded in the key cap positioning groove.

Optionally, the button cap has the printing opacity portion, be equipped with light-shielding structure on the elastic pad, PCB board subassembly still includes and corresponds every keep off the fender position pilot lamp that the position button set up, light-shielding structure cover is located keep off the position pilot lamp, and the lower extreme with the PCB board seals to be connected, and the upper end seals to be connected the button cap.

Optionally, a pressing guide groove is formed in the upper shell, and a light shield, a pressing guide rail and a key touch point are arranged on the key cap;

the pressing guide rail is arranged on the pressing guide groove in a sliding mode, the key sensing contact point is abutted to the upper side of the key sensing structure, and the light shield is abutted to the upper side of the light shielding structure.

The electronic shifter provided by the embodiment of the invention integrates the gear key and the plus-minus gear assembly, when a user presses the gear key, the PCB plate assembly sends a corresponding gear signal to the transmission, the transmission is shifted to a corresponding gear (such as a D gear, an R gear, a P gear or an N gear), the user can increase or decrease a specific forward gear by manually rotating the plus-minus gear knob, and therefore, the plus-minus forward gear is increased or decreased according to the direction of the plus-minus gear knob which is rotated once, so that the plus-minus gear implementation mode is only related to the rotation direction of the plus-minus gear knob and is unrelated to the rotation angle of the plus-minus gear knob, the rotation angle constraint is released, the misoperation is avoided, the convenience and the interestingness of manual gear operation are increased, the operation is personalized, the reliable gear shifting is realized, and the performance is excellent; simple structure, required spare part is few, realizes subtracting the weight and falls originally.

Drawings

Fig. 1 is a schematic structural diagram of an electronic shifter provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of the electronic shifter provided in the embodiment of the present invention in the direction a-a of fig. 1;

fig. 3 is a cross-sectional view of the electronic shifter provided in the embodiment of the present invention in the direction B-B of fig. 2;

FIG. 4 is a schematic structural view of the upper shell of FIG. 1;

FIG. 5 is a schematic view of the upper shell shown in FIG. 4 from another perspective;

FIG. 6 is a structural schematic view of the lower case of FIG. 1;

FIG. 7 is a structural schematic view of the lower case shown in FIG. 6 at another viewing angle;

FIG. 8 is a schematic view of the plus or minus shift knob and magnet of FIG. 2;

FIG. 9 is a schematic diagram of the structure of the PCB board assembly of FIG. 2;

FIG. 10 is a schematic view of the PCB board assembly shown in FIG. 9 from another perspective;

FIG. 11 is a schematic structural diagram of a portion of a PCB and an elastic pad according to an embodiment of the present invention;

FIG. 12 is a partial schematic view of an upper housing and a shift assembly according to an embodiment of the present invention;

fig. 13 is a schematic structural view of the key cap shown in fig. 1 from another view angle;

fig. 14 is an assembly schematic view of an electronic shifter provided by an embodiment of the present invention;

the reference numerals in the specification are as follows:

1. a shift housing;

11. an upper shell; 111. a positioning structure on the PCB; 112. a gear adding and reducing knob mounting groove; 113. the plus and minus baffles are arranged on the guide grooves; 1131. a first sub-groove; 1132. a second sub-groove; 1133. a third sub-groove; 114. a key cap positioning groove; 115. pressing the guide groove; 116. positioning a clamping groove;

12. a lower case; 121. a PCB lower positioning structure; 122. a knob positioning structure; 123. adding and reducing a lower guide groove; 124. an installation part; 1241. mounting holes; 125. a connector mounting groove; 126. supporting ribs;

13. accommodating grooves; 131. a first accommodation sub-slot; 132. a second accommodating sub-tank; 14. screw holes; 15. positioning the convex ribs;

2. a gear key; 21. d, blocking a key; 22. r gear key; 23. p gear key; 24. n-gear key;

25. a key cap; 251. a light-transmitting portion; 252. a light shield; 253. pressing the guide rail; 254. a key touch point;

3. a PCB board assembly; 31. a PCB board; 311. the middle part of the PCB board; 312. the outer end of the PCB; 313. a first avoidance slot; 314. a second avoidance slot; 32. a sensor; 33. a connector; 34. a gear indicator light;

4. a shift up and down component; 41. a plus-minus gear knob; 411. a ring gear; 4111. a tooth socket; 4112. teeth; 42. a shift sliding rod is added and subtracted; 421. a rod body; 422. a stopper portion; 43. a return spring; 44. a magnet;

5. an elastic pad; 51. a key sensing structure; 52. a light shielding structure;

6. and fixing the screw.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to fig. 2, an electronic shifter provided by an embodiment of the present invention includes a shift housing 1, a shift button 2, an up-down shift assembly 4 and a PCB plate assembly 3;

the gear key 2 is arranged on the gear shifting shell 1;

the PCB component 3 is fixed in the gear shifting shell 1 and can send a gear signal to the transmission when the gear key 2 is pressed; specifically, when the gear button 2 is pressed, the PCB board assembly 3 receives a trigger electrical signal of a corresponding gear, and sends a correct gear signal to the transmission for gear shifting operation after gear shifting logic and strategy judgment;

the gear-increasing and gear-reducing assembly 4 comprises a gear-increasing and gear-reducing knob 41, and the gear-increasing and gear-reducing knob 41 is rotatably connected to the gear-shifting shell 1; by rotating the shift knob 41, the PCB board assembly 3 can send a shift signal to the transmission according to the direction of the single rotation of the shift knob 41.

The electronic shifter provided by the embodiment of the invention integrates the gear key 2 and the plus-minus gear component 4, when a user presses the gear key 2, the PCB component 3 sends a corresponding gear signal to the transmission, the transmission shifts to a corresponding gear (such as D gear, R gear, P gear or N gear), the user can increase or decrease the specific forward gear by manually rotating the plus-minus gear knob 41, if the rotation direction of the plus-minus gear knob 41 is clockwise (i.e. "+" direction in fig. 1), the PCB component 3 sends an increase gear signal to the transmission, the transmission adds a gear, and when the rotation direction of the plus-minus gear knob 41 is counterclockwise (i.e. "-" direction in fig. 1), the PCB component 3 sends a decrease gear signal to the transmission, the transmission decreases a gear, so that the forward gear is added or subtracted according to the direction of the plus-minus gear knob 41 which is rotated once, the plus-minus gear shifting implementation mode is only related to the rotating direction of the plus-minus gear shifting knob 41 and is unrelated to the rotating angle of the plus-minus gear shifting knob 41, the constraint of the rotating angle is released, the misoperation is avoided, the convenience and the interestingness of manual gear shifting operation are improved, the operation is personalized, the reliable gear shifting is realized, and the performance is excellent; simple structure, required spare part is few, realizes subtracting the weight and falls originally.

In one embodiment, as shown in fig. 3, 8 and 12, the shift and downshift assembly 4 further includes a shift up-down slide 42 and a return spring 43;

the gear increasing and reducing knob 41 is provided with a gear ring 411; specifically, the ring gear 411 is distributed with tooth grooves 4111 and tooth teeth 4112 along its outer periphery;

the up-down shift sliding rod 42 is slidably arranged on the gear shifting housing 1 and can extend into or withdraw from a tooth groove 4111 of the gear ring 411;

the return spring 43 is disposed between the shift housing 1 and the shift up-down slide bar 42, and urges the shift up-down slide bar 42 to return to the tooth groove 4111.

When external force is applied to rotate the plus and minus shift knob 41, the plus and minus shift slide bar 42 can compress the return spring 43 and withdraw from the tooth groove 4111, when the plus and minus shift slide bar 42 rotates to correspond to another tooth groove 4111, the plus and minus shift slide bar 42 extends into the tooth groove 4111 under the action of the return spring 43, the plus and minus shift slide bar 42 slides in a reciprocating manner until the external force applied to the plus and minus shift knob 41 is cancelled, the return spring 43 enables the plus and minus shift slide bar 42 to keep extending into the tooth groove 4111, and therefore, in the movement process, a shift feeling and a shift degree feeling are generated through the cooperation of the plus and minus shift knob 41, the return spring 43 and the plus and minus shift slide bar 42. An included angle α (i.e., an included angle between L1 and L2) between a line L1 from a tooth tip of the tooth 4112 to the rotation center of the shift knob 41 and a line L2 from a tooth tip of another adjacent tooth 4112 to the rotation center of the shift knob 41 is smaller, the pitch feeling is stronger, and the value of α needs to be divided by 360 to satisfy the consistency of the shift feeling and the shift pitch feeling.

In an embodiment, as shown in fig. 1 and fig. 2, the shift position key 2 is located outside the outer periphery of the shift knob 41, and includes four keys distributed along the circumferential direction of the shift knob 41, where the four keys are the D-shift position key 21, the R-shift position key 22, the P-shift position key 23, and the N-shift position key 24. D keeps off, R keeps off, P keeps off and N keeps off and realizes keeping off the position switching through pressing the button, keeps off (advancing promptly) when D keeps off, keeps off knob 41 through rotatory plus-minus and realizes adding the fender, and simple structure arranges the compactness, is favorable to the miniaturization of structure and avoids the maloperation.

Preferably, as shown in fig. 1 and fig. 2, the upper end of the shift knob 41 protrudes out of the shift housing 1, and the four keys are distributed outside the front side, the rear side, the left side and the right side of the shift knob 41, so as to better avoid operation errors occurring during key operation, realize mechanical blind operation, avoid head-down shifting, and improve driving safety.

In one embodiment, as shown in fig. 2, 9 and 10, the shift up/down assembly 4 further includes a magnet 44 disposed on the shift up/down knob 41, the PCB board assembly 3 includes a PCB board 31, and a sensor 32 and a connector 33 respectively disposed on the PCB board 31, the sensor 32 is used for detecting a rotation direction of the magnet 44, and the connector 33 is used for connecting the transmission.

Since the PCB assembly 3 is fixed to the shift housing 1, the position of the sensor 32 is not changed, the magnet 44 rotates with the rotation of the upshift/downshift knob 41, when the forward gear is shifted up or down, the sensor 32 recognizes the rotation direction of the upshift/downshift knob 41 according to the magnetic field data of the magnet 44, and sends a signal of the upshift/downshift to the transmission, and the transmission shifts gears accordingly.

Specifically, as shown in fig. 2, 8 and 9, the shift knob 41 is a plastic part, the magnet 44 is wrapped and molded at the rotation center of the shift knob 41, the sensor 32 may be a 2D rotation sensor 32 welded on the PCB 31, and only one sensor 32 is welded on the PCB 31, so that the rotation direction detection of the magnet 44 can be realized, and the structure is simplified.

In an embodiment, as shown in fig. 1, the PCB board assembly 3 further includes a gear switch (not shown), the gear button 2 is movably disposed on the gear shifting housing 1, the gear switch is opposite to the gear button 2, the gear switch is turned on when the gear button 2 is pressed, the gear switch is disposed corresponding to each gear button 2, the gear button 2 is conveniently physically pressed to realize gear shifting, gear shifting is reliable, and gear shifting feel is good.

In one embodiment, as shown in fig. 1-2 and 4-7, the shift housing 1 includes an upper shell 11 and a lower shell 12, a receiving groove 13 is formed between the upper shell 11 and the lower shell 12, and the receiving groove 13 includes a first receiving sub-groove 131 and a second receiving sub-groove 132 located at the periphery of the first receiving sub-groove 131 and communicating with the first receiving sub-groove 131;

the middle part 311 of the PCB is positioned in the first receiving sub-groove 131, and the outer end 312 of the PCB is positioned in the second receiving sub-groove 132;

the plus-minus shift knob 41 is arranged in the first containing sub-groove 131, and the upper end of the plus-minus shift knob is exposed out of the upper shell 11;

the gear shift button 2 is disposed in the second accommodating sub-slot 132, and the upper end thereof is exposed out of the upper shell 11.

Simple structure, the installation is compact, is favorable to the miniaturization of product and reduce cost.

In one embodiment, as shown in fig. 5, 6 and 9, the upper case 11 is provided with a PCB upper positioning structure 111, the lower case 12 is provided with a PCB lower positioning structure 121, and the PCB 31 abuts between the PCB upper positioning structure 111 and the PCB lower positioning structure 121 when the upper case 11 and the lower case 12 are covered. The upper and lower sides of the PCB 31 are abutted by the upper and

lower positioning structures

111 and 121 of the PCB, so that the PCB 31 is fixed in the gear shifting housing 1, and the structure and the assembly are simplified.

In one embodiment, as shown in fig. 2, 6 and 7, the lower case 12 is provided with a connector mounting groove 125, and the connector 33 is provided in the connector mounting groove 125 and exposed outside the lower case 12. The connector mounting groove 125 can play a role in mounting and positioning the connector 33, so that the whole spacing of the PCB assembly 3 can be realized, the PCB assembly 3 is prevented from shaking, and the external transmission is also convenient.

In an embodiment, as shown in fig. 2, 4, 5, 6 and 9, the upper shell 11 is provided with a shift knob mounting groove 112, and the lower shell 12 is provided with a knob positioning structure 122;

the gear-increasing and gear-reducing knob 41 is embedded in the gear-increasing and gear-reducing knob mounting groove 112, the lower end of the gear-increasing and gear-reducing knob is positioned in the accommodating groove 13, and the upper end of the gear-increasing and gear-reducing knob extends out of the upper shell 11;

the knob positioning structure 122 abuts against the lower side of the shift knob 41.

During the assembly, will add and subtract and keep off knob 41 and assemble on epitheca 11, during closing epitheca 11 and inferior valve 12, knob location structure 122 butt adds and subtracts and keep off knob 41 to realize adding the upper and lower location that subtracts and keep off knob 41 through epitheca 11 and inferior valve 12 cooperation, so both guarantee to add and subtract and keep off knob 41 and can rotate, add when avoiding the driving again and subtract and keep off knob 41 and beat on the upper and lower direction.

Preferably, the upper case 11 is further provided with a plus/minus shift knob positioning surface, the plus/minus shift knob positioning surface is disposed on the periphery of the plus/minus shift knob installation groove 112, and the knob positioning structure 122 supports the plus/minus shift knob 41 on the plus/minus shift knob positioning surface, which is beneficial to reliably positioning the plus/minus shift knob 41.

Preferably, the PCB board 31 is provided with a first avoidance groove 313; knob location structure 122 passes first dodge groove 313 and the butt adds the downside that subtracts gear knob 41, can arrange knob location structure 122 in first holding divides groove 131, does not influence the arrangement of PCB board 31, and the structure is simpler, compact, is favorable to the product miniaturization.

In one embodiment, as shown in fig. 5 and 12, the upper shell 11 is provided with an upper guide slot 113 for increasing and decreasing stops;

the guide groove comprises a first sub-groove 1131, a second sub-groove 1132 and a third sub-groove 1133 which are communicated in sequence;

the shift up-down slide bar 42 comprises a bar body 421 and a stop portion 422 arranged on the bar body 421, the bar body 421 is slidably arranged in a first sub-groove 1131, a second sub-groove 1132 and a third sub-groove 1133 (namely, the first sub-groove 1131 is used for accommodating the rear end of the shift up-down slide bar 42, the second sub-groove 1132 is used for accommodating the middle portion of the shift up-down slide bar 42, the third sub-groove 1133 is used for accommodating the front end of the shift up-down slide bar 42), and the stop portion 422 is limited in the second sub-groove 1132;

the return spring 43 is located in the second sub-slot 1132, sleeved on the rod 421, and abutted between one end of the second sub-slot 1132 in the sliding direction of the rod 421 and the stopping portion 422;

when the shift knob 41 is rotated, the front end of the rod 421 can extend out of the third slot 1133 or retract into the third slot 1133. The structure for limiting the gear-adding and gear-reducing component 4 is directly formed on the upper shell 11, which is beneficial to simplifying the structure, not only facilitates the disassembly and assembly, but also reduces the cost.

Preferably, as shown in fig. 6, the lower casing 12 is provided with an up-down shift lower guide groove 123, and the stopping portion 422 is simultaneously limited in the second sub-groove 1132 and the up-down shift lower guide groove 123, that is, the upper portion of the stopping portion 422 is located in the second sub-groove 1132, and the lower portion is located in the up-down shift lower guide groove 123; the spacing space that guide way 123 and second minute groove 1132 make up under adding and subtracting the fender for the part, backstop portion 422 and return spring 43 that hold the body of rod 421 are convenient for carry on spacingly to adding and subtracting fender subassembly 4.

Preferably, the PCB board 31 is provided with a second avoidance groove 314 (shown in fig. 9) for avoiding the lower side of the upshift and downshift component 4; the second that the downside that adds and subtract fender subassembly 4 wears to locate on PCB board 31 dodges groove 314, does not influence PCB board 31's arrangement, and the structure is more simple, compact, is favorable to the product miniaturization, and the guide way under the backstop portion 422 of being convenient for stretches into for when rotatory add the knob 41 that subtracts, epitheca 11 and inferior valve 12 common load, the atress is balanced.

In an embodiment, as shown in fig. 2, 4 and 11, the electronic device further includes an elastic pad 5, the elastic pad 5 may be a silicone pad, the elastic pad 5 is disposed at an outer end 312 of the PCB, and the elastic pad 5 is formed with a key sensing structure 51;

the gear key 2 comprises a key sensing structure 51, a conductive contact and a key cap 25, the conductive contact is arranged on one side, close to the PCB 31, of the key sensing structure 51, and the conductive contact is connected with the gear switch when the gear key 2 is pressed down;

the upper case 11 is provided with a key cap positioning groove 114, and the key cap 25 is sleeved on the key sensing structure 51 and is embedded in the key cap positioning groove 114.

Cushion 5 is at the location circuit board between epitheca 11 and inferior valve 12, and cushion 5 is the insulating part, and the structure 51 is felt as the button to the part, and the user of being convenient for feels when pressing a position button 2 and presses the resistance, can also reset a position button 2 after removing external force simultaneously, presses key cap 25 and can seal connection epitheca 11, avoids intaking to shifting in the casing 1 from a position button 2.

Preferably, as shown in fig. 1, a gear identifier (e.g., a character D, R, P, N) is provided on the key cap 25, so that a user can easily identify a gear corresponding to the gear key 2.

Preferably, as shown in fig. 11, each key cap 25 is provided with two key sensing structures 51, so that the key caps 25 are balanced, the pressing stability is increased, and meanwhile, when any one key sensing structure 51 is pressed, the gear switch can be triggered.

In an embodiment, the key cap 25 has a light-transmitting portion, and specifically, the top of the key cap 25 may be entirely set as the light-transmitting portion, or a gear mark of the top of the key cap 25 is set as the light-transmitting portion 251 (as shown in fig. 1), the elastic pad 5 is provided with a light-shielding structure 52 (as shown in fig. 11), the PCB board assembly 3 further includes a gear indicator 34 (as shown in fig. 9) corresponding to the gear key 2, the light-shielding structure 52 covers the gear indicator 34, and the lower end of the light-shielding structure is connected to the PCB 31 in a sealing manner, and the upper end of the light-shielding structure is connected to the key cap 25 in a sealing manner. When pressing a position button 2 corresponding fender position pilot lamp 34 lights and light reachs corresponding button cap 25 through the light-emitting hole of light-shielding structure 52 for each keeps off position button 2 and can independently light, increases luminance, avoids the light leak to other fender position buttons 2 simultaneously, and convenience of customers knows the current fender position.

In one embodiment, as shown in fig. 5 and 13, the upper case 11 is provided with a pressing guide groove 115, the key cap 25 is provided with a pressing guide rail 253, and the pressing guide rail 253 is slidably provided in the pressing guide groove 115, so that the moving direction of the key cap 25 during pressing can be ensured.

In one embodiment, as shown in fig. 11 and 13, the key cap 25 is further provided with a key sensing contact 254, and the key sensing contact 254 abuts against the upper side of the key sensing structure 51, so as to increase the contact area between the key cap 25 and the key sensing structure 51.

In one embodiment, as shown in fig. 11 and 13, a light shield 252 is disposed on the key cap 25, and the light shield 252 abuts against the upper side of the light shield 52. Guarantee good shading effect, when pressing fender position button 2, the fender position pilot lamp 34 that corresponds only illuminates corresponding fender position button 2, and the light leak can not be leaked.

In one embodiment, the upper shell 11 and the lower shell 12 are detachably connected for easy maintenance.

Specifically, as shown in fig. 5 to 7 and 14, screw holes 14 are provided on the upper case 11 and the lower case 12, and the fixing screws 6 fix the upper case 11 and the lower case 12 through the screw holes 14.

In one embodiment, as shown in fig. 7, the lower case 12 is provided with a mounting portion 124, the mounting portion 124 is provided with a mounting hole 1241, and the electronic shifter is fixed to the vehicle body by a screw inserted through the mounting hole 1241 in use.

In one embodiment, as shown in fig. 7, a plurality of support ribs 126 are provided at a lower side of a portion of the lower case 12 for receiving the outer end 312 of the PCB, and a weight reduction groove is formed between the plurality of support ribs 126, thereby achieving weight reduction while maintaining sufficient strength.

In an embodiment, as shown in fig. 5 and 6, one of the upper shell 11 and the lower shell 12 is provided with an annular positioning slot 116, and the other is provided with an annular positioning rib 15, when the upper shell 11 and the lower shell 12 are aligned, the positioning rib 15 is embedded in the positioning slot 116 and seals the alignment position of the upper shell 11 and the lower shell 12, so that the positioning of the upper shell 11 and the lower shell 12 is realized, and the sealing performance inside the shift housing 1 is improved.

Specifically, the upper shell 11, the lower shell 12, the shift knob 41, the key cap 25 and the elastic pad 5 are injection molded parts, and the shift slide bar and the return spring are metal parts.

The assembly process of the preferred embodiment is described below in conjunction with FIG. 14:

firstly, positioning an up-down shift knob 41 on an upper shell 11 along the arrow direction;

secondly, positioning the key cap 25 on the upper shell 11 along the arrow direction;

thirdly, positioning the shift slide bar 42 and the return spring 43 on the upper shell 11 along the arrow direction;

fourthly, positioning the elastic pad 5 on the upper shell 11 along the arrow direction;

fifthly, positioning the PCB board assembly 3 on the upper shell 11 along the arrow direction;

sixthly, positioning the lower shell 12 on the upper shell 11 along the arrow direction;

seventh, the fixing screws 6 are fastened to the upper case 11 and the lower case 12.

So, the inside spare part of electron selector is mostly spacing through epitheca 11 and inferior valve 12, accomplishes the assembly promptly after connecting epitheca 11 and inferior valve 12, simplifies the structure, has improved product production efficiency.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic shifter, characterized by: the gear shifting device comprises a gear shifting shell, a gear button, an up-down gear assembly and a PCB assembly, wherein the gear button is arranged on the gear shifting shell, the PCB assembly is fixed in the gear shifting shell and can send a gear signal to a transmission when the gear button is pressed, the up-down gear assembly comprises an up-down gear knob and a magnet arranged on the up-down gear knob, and the up-down gear knob is rotatably connected to the gear shifting shell;

the PCB assembly comprises a PCB, and a sensor, a gear switch and a connector which are respectively arranged on the PCB, wherein the gear switch is opposite to the gear key, the gear switch is switched on when the gear key is pressed, the sensor is used for detecting the rotation direction of the magnet, and the connector is used for connecting the transmission;

the PCB assembly can send a plus and minus shift signal to the speed changer according to the direction of rotating the plus and minus shift knob for a single time by rotating the plus and minus shift knob, so that the implementation of plus and minus shift is independent of the rotating angle of the plus and minus shift knob;

the gear shifting and reducing assembly further comprises a gear shifting and reducing sliding rod and a return spring;

the gear shifting knob is provided with a gear ring;

the return spring is arranged between the gear shifting shell and the plus and minus gear sliding rod and urges the plus and minus gear sliding rod to return to the tooth groove;

the gear shifting shell comprises an upper shell and a lower shell, wherein an accommodating groove is formed between the upper shell and the lower shell, and the accommodating groove comprises a first accommodating sub-groove and a second accommodating sub-groove which is positioned on the periphery of the first accommodating sub-groove and communicated with the first accommodating sub-groove;

the gear key is arranged in the second accommodating sub-groove, and the upper end of the gear key is exposed out of the upper shell;

the upper shell is provided with an upper plus-minus baffle guide groove, the lower shell is provided with a lower plus-minus baffle guide groove, and the PCB is provided with a second avoidance groove for avoiding the lower side of the plus-minus baffle component;

2. The electronic shifter of claim 1, wherein the gear buttons are located outside the outer periphery of the shift knob and comprise four buttons distributed along the circumference of the shift knob, and the four buttons are a D-gear button, an R-gear button, a P-gear button and an N-gear button.

3. The electronic shifter of claim 2 wherein an upper end of the upshift and downshift knob protrudes out of the shift housing, and the four keys are distributed outside a front side, a rear side, a left side and a right side of the upshift and downshift knob.

4. The electronic shifter of claim 1, wherein the upper housing has a PCB upper positioning structure, the lower housing has a PCB lower positioning structure and a connector mounting groove, the upper housing and the lower housing cover abut against the PCB upper positioning structure and the PCB lower positioning structure when closed, and the connector is disposed in the connector mounting groove and exposed outside of the lower housing.

5. The electronic shifter of claim 4, wherein an upshift and downshift knob mounting groove is provided on the upper shell, a knob positioning structure is provided on the lower shell, and a first avoidance groove is provided on the PCB;

6. The electronic shifter of claim 1 further comprising an elastic pad disposed at an outer end of the PCB, the elastic pad having a key feel structure formed thereon;

7. The electronic shifter of claim 6, wherein the key cap has a light-permeable portion, the resilient pad has a light-shielding structure, the PCB assembly further includes a gear indicator corresponding to each gear key, the light-shielding structure covers the gear indicator, and the lower end of the light-shielding structure is connected to the PCB in a sealing manner, and the upper end of the light-shielding structure is connected to the key cap in a sealing manner.

8. The electronic shifter of claim 7, wherein the upper housing has a press guide channel, and the key cap has a light shield, a press guide rail and a key touch point;