CN114688240A - Small and exquisite lightweight electron selector that retrencies - Google Patents
Small and exquisite lightweight electron selector that retrencies Download PDFInfo
- Publication number
- CN114688240A CN114688240A CN202210257985.0A CN202210257985A CN114688240A CN 114688240 A CN114688240 A CN 114688240A CN 202210257985 A CN202210257985 A CN 202210257985A CN 114688240 A CN114688240 A CN 114688240A
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- Prior art keywords
- circuit board
- hole
- shell
- small
- gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 description 11
- 238000003825 pressing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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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
- F16H63/32—Gear shift yokes, e.g. shift forks
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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)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a small, exquisite, simple and light electronic gear shifter, which comprises an upper shell and a lower shell, wherein the upper end part of the lower shell is inserted into the upper shell and matched with a semicircular hole in the top of the upper shell to form a whole circular hole; one side of the lower end of the gear shifting rod extends outwards to form a shifting fork coated with a magnet. The invention cancels the supporting parts such as the bushing and the pressure plate, effectively reduces the size error caused by the assembly of a plurality of parts and avoids the problem of gear shifting clamping stagnation caused by the screw locking fulcrum; meanwhile, the shaking amount and the lagging feeling of the gear shifting rod during gear shifting are reduced.
Description
Technical Field
The invention relates to the technical field of automobile gear shifters, in particular to a small, exquisite and light electronic gear shifter.
Background
Along with the rapid development of network technology, the intelligent driving technology is more mature, and the electronic gear shifter becomes the first choice of various automobile manufacturers at home and abroad at present. Along with the development of electronic gear shifters, the light weight of the whole vehicle needs to be higher and higher, the volume and weight of the existing electronic gear shifter cannot meet the use requirements of the vehicle, and therefore, the company develops an electronic gear shifter (application No. 2021102191836), which comprises an upper shell, a lower shell, and a plurality of parts such as a magnet, a gear lever, a spherical bushing, a pressing plate, a reset spring, a gear pin and a circuit board, wherein the magnet, the gear lever, the spherical bushing, the pressing plate, the reset spring, the gear pin and the circuit board are arranged in a cavity surrounded by the upper shell and the lower shell; magnet is located gear level upper portion, drives its position change through the gear level to make circuit board output keep off the position signal.
Although the parts of the electronic gear shifter are simplified and the weight is reduced, the electronic gear shifter still has the problems of large volume, clamping stagnation, shaking and the like caused by the matching of a plurality of parts.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a small, compact and lightweight electronic gear shifter.
The technical scheme adopted by the invention is as follows:
a small, compact and lightweight electronic shifter comprises an upper shell and a lower shell which are detachably connected, wherein the upper shell and the lower shell enclose a cavity for mounting a shifting assembly and a circuit board; the upper end part of the lower shell is inserted into the upper shell and matched with a semicircular hole in the top of the upper shell to form a whole circular hole, the gear shifting assembly comprises a gear shifting rod, a gear shifting pin and a spiral spring, two concentric cylindrical parts are symmetrically arranged at two ends of the middle part of the gear shifting rod, the gear shifting rod is rotatably arranged in the two whole circular holes through the two concentric cylindrical parts, the upper end of the gear shifting rod extends out of an opening in the top of the upper shell and is used for connecting a handle, and a blind hole is axially formed in the inner part of the lower end of the gear shifting rod; the spiral spring is sleeved at the tail part of the gear pin, the gear pin is elastically and slidably arranged in the blind hole of the gear shifting rod, and the head part of the gear pin is in sliding connection with the inner tooth shape of the lower shell; one side of the lower end of the gear shifting rod extends outwards to form a shifting fork coated with a magnet; the circuit board is clamped on one side of the cavity of the upper shell and one side of the cavity of the lower shell, and a chip used for sensing that the magnet is located at different positions is arranged at one end, close to the shifting fork, of the circuit board.
Further, the top surface of going up the casing is equipped with the upper shed that is used for holding the gear level, bilateral symmetry is equipped with the axis and is the first semicircle orifice and the second first semicircle orifice of same level straight line around the upper shed, both sides upwards protrusion forms first supporting part and second supporting part around the interior diapire of lower casing, two lower semicircle orifices that become whole round hole with two first semicircle orifices cooperations are seted up respectively to the top surface of first supporting part and second supporting part, the rear side of second supporting part forms the circuit board installation cavity, the through-hole of intercommunication circuit board installation cavity is seted up to the lower extreme of second supporting part, the shift fork passes the through-hole and stretches into the circuit board installation cavity.
Further, the bottom of inferior valve body circuit board installation cavity is equipped with the draw-in groove, goes up the casing and corresponds the position and is equipped with a plurality of spacing muscle, and circuit board lower extreme cartridge supports to lean on spacing muscle in the draw-in groove in the upper end.
Furthermore, the blind holes are three stepped holes which are gradually reduced from bottom to top; the stop pin is in a stepped cylinder shape, wherein the lower part of the stop pin is a large cylinder part, the upper part of the stop pin is a small cylinder part, the large cylinder part is in sliding fit with a large hole at the lower end of the blind hole, and the small cylinder part is in sliding fit with a small hole at the upper end of the blind hole; the helical spring is extruded in the middle of the blind hole.
Further, the bottom of the stop pin is a spherical part, and the spherical part is connected with the internal tooth shape of the lower shell in a sliding mode.
Furthermore, the middle part of the bottom surface of the upper shell is provided with four screw holes A used for being connected with the lower shell, four corners of the top end of the lower shell are provided with four installation parts, the four installation parts are respectively provided with four screw holes B in one-to-one correspondence with the four screw holes A, and the upper shell and the lower shell are connected through screws passing through the screw holes A and the screw holes B in a fastening mode.
Further, the gear shift lever is provided with a cylindrical cavity axially penetrating its two concentric cylindrical portions.
The invention has the beneficial effects that: compared with the prior art, the method has the advantages that,
1. according to the invention, by optimizing the structural design of the upper shell and the lower shell, the upper shell and the lower shell are combined into a part for jointly supporting the rotation of the gear shifting lever, so that supporting parts such as a bushing, a pressing plate and the like are eliminated, the size error caused by the assembly of a plurality of parts is effectively reduced, and the problem of gear shifting clamping stagnation caused by a screw locking fulcrum is avoided; meanwhile, the rotating fulcrum of the gear shifting lever is transferred from the upper shell to the lower shell, so that the shaking amount of the gear shifting lever during gear shifting is reduced.
2. Through the optimization of upper and lower shell structure, the mounting means of circuit board has been changed, the circuit board lid has been cancelled, has further reduced selector weight and volume, sets up the shift fork through the lower extreme at the gear level simultaneously, and the magnet cladding is in the shift fork, and the bottom contact circuit board chip of circuit board installation cavity is stretched into to the shift fork, utilizes lever principle to make the gear level rotate the great change that just can bring magnet of a little angle, has greatly improved the sensitivity of shifting, has reduced the hysteresis and has felt.
Drawings
Fig. 1 is a schematic view of an assembly structure of an electronic shifter of the present invention.
Fig. 2 is an exploded view of an electronic shifter of the present invention.
Fig. 3 is a bottom view of the upper housing of the present invention.
Fig. 4 is a side view of the upper housing of the present invention.
Fig. 5 is a schematic top view of the lower case of the present invention.
Fig. 6 is a side view of the lower case of the present invention.
Fig. 7 is a schematic view of the structure of the shift lever of the present invention.
Fig. 8 is a schematic structural view of the shift pin of the present invention.
Detailed Description
The invention is further described below with reference to specific examples to facilitate the understanding of the invention, but the invention is not limited thereby.
Referring to fig. 1 to 8, the present embodiment discloses an electronic gear shifter, which mainly comprises an upper housing 1, a lower housing 2, a gear shifting assembly, a magnet and a circuit board 6. The gear shift assembly comprises a gear shift lever 7, a gear pin 4 and a helical spring 5.
The top surface of the upper shell 1 is provided with an upper opening for accommodating the gear shifting rod 7, the front side and the rear side of the upper opening are provided with a first upper semicircular hole 12 and a second upper semicircular hole 11, the two upper semicircular holes are symmetrically arranged along the central line of the upper opening, and the axes of the two upper semicircular holes are the same horizontal straight line. The middle part of the bottom surface of the upper shell 1 is provided with four screw holes for connecting the lower shell 2, namely a first screw hole A13, a second screw hole A14, a third screw hole A15 and a fourth screw hole A16; the outer sides of the four screw holes are provided with four mounting holes for mounting the gear shifter. The rear side of the second upper semicircular hole 11 is provided with six limiting ribs for mounting a circuit board, namely a first limiting rib 17, a second limiting rib 18, a third limiting rib 19, a fourth limiting rib 110, a fifth limiting rib 111 and a sixth limiting rib 112.
The both sides upwards protrusion forms first around the diapire in lower casing 2, the second supporting part, it is first, first semicircle orifice 22 and first semicircle orifice 21 down have been seted up respectively to the top surface of second supporting part, semicircle orifice 22 and second down 21 respectively with last casing 1 first last semicircle orifice 12 and first last semicircle orifice 11 to synthesizing two whole round holes, the rear side of second supporting part forms the circuit board installation cavity, the inner diapire of circuit board installation cavity is equipped with three first draw-in groove 28 that is used for installing the circuit board, second draw-in groove 29 and third draw-in groove 210, the lower extreme of second supporting part is equipped with the through-hole that communicates the circuit board installation cavity. The central part of the inner bottom wall of the lower shell 2 is provided with a tooth form 23. Four mounting portions are provided at four corners of the top end of lower case 2, and first screw hole B24, second screw hole B25, third screw hole B26, and fourth screw hole B27 are provided to the four mounting portions, respectively.
Two sides of the middle part of the gear shift lever 7 respectively protrude outwards to form a first cylindrical part 71 and a second cylindrical part 72, and the axes of the first cylindrical part 71 and the second cylindrical part 72 are the same horizontal straight line. The lower part of the gear shift lever 7 is provided with a step-shaped blind hole 73 in the axial direction, the right side of the lower end of the gear shift lever 7 extends outwards to form a shifting fork 74, and a magnet is wrapped in the shifting fork 74.
The stopper pin 4 has a stepped cylindrical shape, in which a large cylindrical portion 42 is formed at a lower portion thereof, a small cylindrical portion 41 is formed at an upper portion thereof, and a spherical portion 43 is formed at a bottom portion thereof.
Assembling the shift lever assembly:
the spiral spring 5 is sleeved on the small cylindrical part 41 at the top end of the position pin 4, the gear pin 4 and the spiral spring 5 are installed in the blind hole 73 at the bottom end of the gear shifting rod 7 together, the large cylindrical part 42 of the gear pin is in sliding fit with the inner wall of the large hole at the lower end of the blind hole 73, the small cylindrical part 41 of the gear pin is inserted into the middle upper part of the blind hole 73, and the spiral spring 5 is extruded in the middle of the blind hole 73.
Assembling the gear shifter:
placing the assembled shift lever assembly into the lower housing 2, and covering the upper housing 1; the upper end of a gear shifting rod 7 extends out of an upper opening of an upper shell 1 and is used for connecting a handle, a first cylindrical part 71 and a second cylindrical part 72 in the middle of the gear shifting rod 7 are rotatably installed in whole circular holes formed by assembling the upper shell and the lower shell, a gear shifting rod shifting fork 74 penetrates through a through hole in the bottom of a rear supporting part of the lower shell and extends to a circuit board installation cavity, and a bottom spherical surface 43 of a gear pin 4 is connected with the bottom of a lower shell 2 in a tooth-shaped sliding fit manner; the bottom of the circuit board 6 is clamped into three clamping grooves of the lower shell 2, and the top of the circuit board is contacted with six limiting ribs of the upper shell 1; after all the parts are assembled, the upper casing 1 and the lower casing 2 are fastened and connected by four screws 3 respectively passing through the first screw hole B24, the second screw hole B25, the third screw hole B26 and the fourth screw hole B27 of the lower casing 2 and the first screw hole a13, the second screw hole a14, the third screw hole a15 and the fourth screw hole a16 of the upper casing 1.
The working principle of the invention is as follows:
after the upper and lower cases are assembled, the circuit board 6 is fixed in the cavity formed by the upper and lower cases. The gear shifting rod 7 swings back and forth by using the handle to swing the gear shifting rod 7 by taking the first cylindrical part 71 and the second cylindrical part 72 as pivots, and the spherical surface 43 at the bottom of the gear pin 4 slides back and forth in the bottom tooth form 23 of the lower shell 2, so that the gear shifting function is realized. The position that circuit board 6 is close to gear level shift fork 74 is equipped with chip 61, and gear level 7 drives shift fork 74 and rotates different positions, thereby chip 61 senses the different positions output of magnet and keeps off the position signal.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and the improvements and modifications are also within the protection scope of the present invention.
Claims (7)
1. A small, compact and lightweight electronic shifter comprises an upper shell and a lower shell which are detachably connected, wherein the upper shell and the lower shell enclose a cavity for mounting a shifting assembly and a circuit board; the automatic gearshift device is characterized in that the upper end part of the lower shell is inserted into the upper shell and matched with a semicircular hole in the top of the upper shell to form a whole circular hole, the gearshift assembly comprises a gearshift lever, a gearshift pin and a spiral spring, two concentric cylindrical parts are symmetrically arranged at two ends of the middle part of the gearshift lever, the gearshift lever is rotatably arranged in the two whole circular holes through the two concentric cylindrical parts, the upper end of the gearshift lever extends out of an opening in the top of the upper shell and is used for connecting a handle, and a blind hole is axially formed in the inner part of the lower end of the gearshift lever; the spiral spring is sleeved at the tail part of the gear pin, the gear pin is elastically and slidably arranged in the blind hole of the gear shifting rod, and the head part of the gear pin is in sliding connection with the inner tooth shape of the lower shell; one side of the lower end of the gear shifting rod extends outwards to form a shifting fork coated with a magnet; the circuit board is clamped on one side of the cavity of the upper shell and one side of the cavity of the lower shell, and a chip used for sensing that the magnet is located at different positions is arranged at one end, close to the shifting fork, of the circuit board.
2. The small, compact and light electronic shifter according to claim 1, wherein an upper opening for accommodating the shift lever is formed in a top surface of the upper housing, a first upper semicircular hole and a second upper semicircular hole, the axes of which are in the same horizontal straight line, are symmetrically formed in front and rear sides of the upper opening, a first supporting portion and a second supporting portion are formed by protruding the front and rear sides of an inner bottom wall of the lower housing upwards, two lower semicircular holes matched with the two upper semicircular holes to form a whole circular hole are formed in the top surfaces of the first supporting portion and the second supporting portion respectively, a circuit board mounting cavity is formed in the rear side of the second supporting portion, a through hole communicating with the circuit board mounting cavity is formed in the lower end of the second supporting portion, and the shifting fork penetrates through the through hole and extends into the circuit board mounting cavity.
3. The small, compact and light electronic shifter according to claim 1, wherein a clamping groove is formed at the bottom of the circuit board mounting cavity of the lower shell, a plurality of limiting ribs are formed at corresponding positions of the upper shell, the lower end of the circuit board is inserted into the clamping groove, and the upper end of the circuit board abuts against the limiting ribs.
4. The small, compact and lightweight electronic shifter according to claim 1, wherein the blind holes are three stepped holes which are gradually reduced from bottom to top; the stop pin is in a stepped cylinder shape, wherein the lower part of the stop pin is a large cylinder part, the upper part of the stop pin is a small cylinder part, the large cylinder part is in sliding fit with a large hole at the lower end of the blind hole, and the small cylinder part is in sliding fit with a small hole at the upper end of the blind hole; the helical spring is extruded in the middle of the blind hole.
5. A small, compact and lightweight electronic shifter as claimed in claim 1, wherein the bottom of the shift pin is a spherical portion which is slidably connected to the internal teeth of the lower housing.
6. The small and light electronic shifter of claim 1 wherein the middle portion of the bottom surface of the upper housing has four screw holes a for connecting to the lower housing, four mounting portions are provided at four corners of the top end of the lower housing, the four mounting portions have four screw holes B corresponding to the four screw holes a, respectively, and the upper housing and the lower housing are fastened together by screws passing through the screw holes a and the screw holes B.
7. A compact lightweight electronic shifter according to claim 1 wherein the shift lever is provided with a cylindrical cavity extending axially through its two concentric cylindrical portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257985.0A CN114688240A (en) | 2022-03-16 | 2022-03-16 | Small and exquisite lightweight electron selector that retrencies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257985.0A CN114688240A (en) | 2022-03-16 | 2022-03-16 | Small and exquisite lightweight electron selector that retrencies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114688240A true CN114688240A (en) | 2022-07-01 |
Family
ID=82138433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210257985.0A Pending CN114688240A (en) | 2022-03-16 | 2022-03-16 | Small and exquisite lightweight electron selector that retrencies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114688240A (en) |
-
2022
- 2022-03-16 CN CN202210257985.0A patent/CN114688240A/en active Pending
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