CN214171303U - Get reverse gear signal fork mouth subassembly - Google Patents
Get reverse gear signal fork mouth subassembly Download PDFInfo
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- CN214171303U CN214171303U CN202023197206.8U CN202023197206U CN214171303U CN 214171303 U CN214171303 U CN 214171303U CN 202023197206 U CN202023197206 U CN 202023197206U CN 214171303 U CN214171303 U CN 214171303U
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- reverse gear
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Abstract
The utility model provides a get reverse gear signal fork mouth subassembly, including installing the self-locking pin assembly in the mounting hole of upper cover plate, still include through spiral elastic pin fixed mounting in the epaxial reverse gear fork mouth subassembly of reverse gear shifting fork, reverse gear fork mouth subassembly the upper end cartridge in the groove that splines of upper cover plate, reverse gear fork mouth subassembly be equipped with be used for with the height slip table of self-locking pin assembly looks butt. The application provides get signal fork mouth subassembly of reversing gear, simple structure, simple to operate controls conveniently, can guarantee to get the signal of reversing gear when the gearbox is hung the reverse gear, does not influence the normal use of other gears.
Description
Technical Field
The utility model relates to a derailleur technical field, more specifically say, relate to a get reverse gear signal fork mouth subassembly.
Background
The transmission is one of the important assembly parts in automobile transmission, when a reverse gear is engaged, a reverse gear signal is transmitted out, so that one of important functions of the transmission is realized, and a signal lamp, a prompt tone and a reverse lamp on a whole automobile line are switched on by the reverse gear signal to prompt a driver and pedestrians, so that the driving safety is ensured.
The transmission needs to be continuously updated iteratively. In the upgrading research and development process of the existing twelve-gear transmission product, when the reverse gear is hung, on the basis of maintaining the existing structure, the original position of a reverse gear switch signal is not changed, the minimum change is made, so that the signal of the reverse gear switch is obtained, and the research and development cost is reduced.
At present, most of ten-gear transmissions on the market directly take reverse gear switch signals on a reverse gear shift shaft, a plurality of parts need to be redesigned and developed, and the parts are similar but can not be used universally, so that the research and development cost is increased, and the problem of later management exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a get reverse gear signal fork mouth subassembly can solve above-mentioned technical problem.
The utility model provides a get reverse gear signal fork mouth subassembly, including installing the self-locking pin assembly in the mounting hole of upper cover plate, still include through spiral spring pin fixed mounting in the epaxial reverse gear fork mouth subassembly of reverse gear shifting fork, reverse gear fork mouth subassembly the upper end cartridge in the groove that splines of upper cover plate, reverse gear fork mouth subassembly is equipped with and is used for supplying the gliding high-low slip table of self-locking pin assembly.
Preferably, the self-locking pin assembly comprises a guide sleeve, a top pin inserted into an inner cavity of the guide sleeve, a compression spring used for pressing the top pin, an outer circular pad used for fixing the compression spring and an upper cover fixedly installed with the upper cover, and the top pin is provided with a spherical chamfer.
Preferably, the reverse gear fork assembly comprises a reverse gear fork and a reverse gear signal rod;
the reverse gear fork opening comprises a sleeving part and a rotation stopping part fixedly arranged at the top of the sleeving part, the sleeving part is provided with two pin holes, the reverse gear signal rod is of an L-shaped structure, one end of the reverse gear signal rod is fixedly connected with the reverse gear fork opening, and the high-low sliding table is arranged on the reverse gear signal rod.
Preferably, the reverse gear fork opening and the reverse gear signal rod are mounted on the reverse gear shift fork shaft through a spiral elastic pin.
Preferably, the reverse gear fork opening is connected with the reverse gear signal rod in a welding mode.
Preferably, a chamfer angle of 100-120 degrees is arranged in the guide sleeve.
Preferably, the high-low sliding table is plated with a wear-resistant coating.
Compared with the background art, the reverse gear taking signal fork opening assembly provided by the application has the advantages that when the gearbox is in reverse gear, the reverse gear fork opening assembly is shifted to move leftwards, the reverse gear shifting fork on the reverse gear shifting fork shaft drives the synchronizer in the gearbox to be hung on the reverse gear, meanwhile, the reverse gear fork opening assembly jacks up the self-locking pin assembly, the reverse gear switch is pushed upwards to be contracted, the reverse gear switch is in a closed state, signal lamps, prompting sounds and reverse lamps on a reverse gear line can be switched on, enough prompts are provided for drivers and pedestrians, and safe driving is guaranteed; when the gearbox is in 1 gear, the reverse fork port component moves rightwards, the reverse fork fixedly connected with the reverse fork port component also moves rightwards, the reverse fork drives a synchronizer in the gearbox to be hung on 1 gear, and the self-locking pin assembly is always kept at the initial position because the contact position of the self-locking pin assembly and the reverse fork port component from the initial position to the left is positioned on the same plane of the high-low sliding table, so that the reverse switch is maintained in the initial off state, and the normal work of the reverse switch cannot be influenced. This application simple structure, simple to operate controls conveniently, can guarantee to get the signal of reversing when the gearbox is put into reverse gear to do not influence the use of other gears, its simple structure controls conveniently, has reduced the research and development cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an exploded view of a reverse gear shift signal fork assembly provided by the present invention;
fig. 2 and 3 illustrate the operation principle of the reverse gear shift signal fork assembly according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a top view of FIG. 1;
FIG. 6 is a schematic structural view of the self-locking pin assembly of FIG. 1;
FIG. 7 is a cross-sectional view of FIG. 6;
FIG. 8 is a schematic structural view of the reverse fork assembly of FIG. 1;
fig. 9 is an exploded view of fig. 8.
Wherein, 1-upper cover plate, 2-self-locking pin assembly, 3-reverse gear shift fork shaft, 4-reverse gear shift fork, 5-spiral elastic pin, 6-reverse gear fork port component and 7-reverse gear switch;
21-a guide sleeve, 22-a knock pin, 23-a compression spring, 24-an outer circular pad and 25-an upper cover;
61-reverse gear fork port, 62-reverse gear signal rod; 611-high and low slip table.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 9, fig. 1 is an exploded view of a reverse gear shift signal fork assembly according to the present invention; fig. 2 and 3 illustrate the operation principle of the reverse gear shift signal fork assembly according to the present invention; FIG. 4 is an enlarged view of a portion of FIG. 3; FIG. 5 is a top view of FIG. 1; FIG. 6 is a schematic structural view of the self-locking pin assembly of FIG. 1; FIG. 7 is a cross-sectional view of FIG. 6; FIG. 8 is a schematic structural view of the reverse fork assembly of FIG. 1; fig. 9 is an exploded view of fig. 8.
The utility model provides a get reverse gear signal fork mouth subassembly, including self-locking pin assembly 2 and reverse gear fork mouth subassembly 6, from self-locking pin assembly 2 fixed mounting in upper cover plate 1, reverse gear fork mouth subassembly 6 is through 5 fixed mounting of spiral elastic pin on reverse gear shift fork axle 3, and the upper end cartridge of reverse gear fork mouth subassembly 6 is in the groove that splines of upper cover plate 1, and reverse gear fork mouth subassembly is equipped with height slip table 611, and self-locking pin assembly 2's bottom can be followed height slip table 611 and slided.
The reverse gear shifting fork shaft 3, the reverse gear shifting fork 4 and the reverse gear fork opening component 6 form a reverse gear shifting fork 4 assembly, and the reverse gear shifting fork 4 assembly is installed inside the gearbox and can slide left and right.
When the gearbox is in reverse gear, move left through stirring reverse gear fork subassembly 6, because reverse gear fork subassembly 6 and reverse gear shift fork 4 all pass through 5 fixed mounting of spiral elastic pin on reverse gear shift fork axle 3, like this, reverse gear fork subassembly 6 moves reverse gear shift fork 4 left through reverse gear shift fork axle 3, reverse gear shift fork 4 drives the synchronizer in the gearbox and hangs on the reverse gear, and simultaneously, the contact jaw with height slip table 611 in reverse gear fork subassembly 6 bottom is jacked up by the height slip table 611 of reverse gear fork subassembly 6, reverse gear fork subassembly 6 further jacks reverse gear switch 7 and makes its shrink, so that reverse gear switch 7 is in the closure state, signal lamp, the prompt tone on the reverse gear circuit, reverse gear lamp then the switch-on, the suggestion driver, guarantee safe driving.
When the gearbox is shifted to 1 gear, the reverse gear fork assembly 6 is shifted to the right, the reverse gear fork 4 and the reverse gear fork assembly 6 are shifted to the right, the reverse gear fork 4 drives a synchronizer in the gearbox to be shifted to 1 gear, meanwhile, the bottom of the reverse gear fork assembly 6 is in contact with the high platform of the high and low sliding platforms 611 of the reverse gear fork assembly 6 from the initial position to the left at the contact end of the high and low sliding platforms 611, the contact surface is the same plane, therefore, the reverse gear fork assembly 6 always keeps the initial extension amount, namely, the reverse gear switch 7 is always in the initial off state, and the normal work of the reverse gear switch 7 cannot be influenced.
The self-locking pin assembly 2 comprises a guide sleeve 21, a top pin 22 with a conical tip at the bottom, a compression spring 23, a round pad and an upper cover 25, wherein the guide sleeve 21 and the upper cover 25 are welded into a whole, the round pad plays a role in compression protection and prevents the compression spring 23 from falling off, the top pin 22 is pushed against an axial self-locking groove, the compression spring 23 is assembled in an inner cavity of the guide sleeve 21, and the self-locking pin assembly 2 is ensured to have enough spring force in a natural state by utilizing the compression amount of the compression spring.
The reverse switch knock pin 22 is installed inside the reverse switch guide sleeve 21, and the bottom of the reverse switch knock pin 22 abuts against the high and low sliding surfaces of the reverse signal rod 62 and slides up and down along with the fluctuation of the contact surface with the reverse signal rod 62. Reverse switch 7 installs on reverse switch uide bushing 21 to the contact can support the upper end at reverse switch knock pin 22 under the initial position, along with reciprocating of reverse switch knock pin 22, the contact of reverse switch 7 also can be along with flexible, and reverse switch 7 realizes disconnection and on-state.
Self-locking pin assembly 2 can guarantee the axle on accurate position through with the cooperation of auto-lock groove axle, can also effectively prevent the unusual drunkenness of axle, in addition, because compression spring 23 itself has certain compression capacity, has guaranteed that self-locking pin assembly 2 has sufficient spring force under natural state to the assembly is simple, and the commonality is good.
The reverse gear fork opening assembly 6 comprises a reverse gear fork opening 61 and a reverse gear signal rod 62, the reverse gear fork opening 61 comprises a sleeving part and a rotation stopping part fixedly arranged at the top of the sleeving part, two pin holes are formed in the front end of the sleeving part and used for enabling the spiral elastic pin 5 to correspond to the insertion part, the reverse gear fork opening 61 is installed on the reverse gear shifting shaft 3, the reverse gear signal rod 62 is of an L-shaped rod-shaped structure, the reverse gear signal rod 62 is fixedly connected with the reverse gear fork opening 61, the high-low sliding table 611 is arranged on the upper portion of the right side of the reverse gear signal rod 62, and the conical tip corresponding to the ejector pin 22 is arranged.
This application adopts the back of taking off the reverse gear declutch shift shaft 3 of twelve-gear gearbox, and welding installation reverse gear signal pole 62 on adjacent fork mouth stretches the position of original getting reverse gear switch signal, when putting into reverse gear, guarantees to push up reverse gear switch 7, makes its contact produce the removal, can get the reverse gear signal from this.
The reverse gear fork opening 61 and the reverse gear signal rod 62 can be arranged on the reverse gear shifting fork shaft 3 through the spiral elastic pin 5, and the reverse gear shifting fork shaft is simple in structure, convenient to install and firm in locking.
Preferably, the reverse gear fork 61 and the reverse gear signal rod 62 are connected in a welding mode, and the reverse gear fork and the reverse gear signal rod are welded and then machined, so that the position accuracy is guaranteed.
The reverse switch 7 has opening and closing functions, one end of a reverse switch ejector pin 22 contacts with the reverse switch 7, the other end of the reverse switch ejector pin contacts with a reverse signal rod 62, and when the reverse signal rod 62 moves, the reverse switch ejector pin 22 moves up and down along with the high and low sliding tables 611 so as to push the reverse switch 7 to be closed or opened; the reverse switch guide sleeve 21 supports the reverse switch knock pin 22 to ensure that it can move up and down.
Furthermore, a chamfer of 100-120 degrees can be arranged in the guide sleeve 21, so that the processing is convenient, and the reverse gear switch ejector pin 22 is more conveniently and directly installed in the guide sleeve 21.
Meanwhile, the high-low sliding table 611 of the reverse gear signal rod 62 is in transition through a slope of 100-150 degrees, and the bottom of the reverse gear switch ejector pin 22 is designed to be a spherical chamfer, so that the reverse gear switch ejector pin 22 can be smoothly jacked up when the reverse gear is engaged, the friction of parts is reduced, the service life is prolonged, and the performance is more reliable.
In order to prevent the high and low sliding tables 611 from being worn, a wear-resistant coating can be plated on the upper surfaces of the high and low sliding tables 611, so that the wear of the high and low sliding tables 611 is reduced through the wear-resistant coating, accurate acquisition of a reverse gear signal is ensured, and the service life is prolonged.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
It is right above the utility model provides a get reverse gear signal fork mouth subassembly introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The utility model provides a get reverse gear signal fork mouth subassembly, its characterized in that, is including installing self-locking pin assembly (2) in the mounting hole of upper cover plate (1), still includes reverse gear fork mouth subassembly (6) on reverse gear declutch shift shaft (3) through spiral elastic pin (5) fixed mounting, the upper end cartridge of reverse gear fork mouth subassembly (6) in the groove of splining of upper cover plate (1), reverse gear fork mouth subassembly (6) are equipped with and are used for supplying self-locking pin assembly (2) gliding height slip table (611).
2. The reverse gear shift signal fork assembly according to claim 1, wherein the self-locking pin assembly (2) comprises a guide sleeve (21), a top pin (22) inserted into an inner cavity of the guide sleeve (21), a compression spring (23) for pressing the top pin (22), an outer circular pad (24) for fixing the compression spring (23) and an upper cover (25) fixedly mounted with the guide sleeve (21), and the top pin (22) is provided with a spherical chamfer.
3. The reverse signal fork assembly according to claim 2, wherein the reverse fork assembly (6) comprises a reverse fork (61) and a reverse signal lever (62);
reverse gear fork mouth (61) including suit portion with set firmly in the rotation stopping portion at suit portion top, suit portion is equipped with two pinholes, reverse gear signal pole (62) are L type structure, reverse gear signal pole (62) one end with reverse gear fork mouth (61) rigid coupling, high low slip table (611) are located reverse gear signal pole (62).
4. The reverse signal dropout assembly according to claim 3, wherein the reverse dropout (61) and the reverse signal lever (62) are mounted on the reverse fork shaft (3) by means of a helical spring pin (5).
5. The reverse signal dropout assembly according to claim 4, wherein the reverse dropout (61) and the reverse signal lever (62) are welded together.
6. The reverse gear signal fork assembly according to claim 2, wherein the guide sleeve (21) is internally provided with a chamfer of 100-120 °.
7. The reverse gear signal fork assembly according to any one of claims 1 to 6, wherein the high and low sliding tables (611) transition through a gradient of 100 ° to 150 °.
8. The pick-and-reverse signal fork assembly as claimed in claim 7, wherein the high and low slip ramps (611) are plated with a wear resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197206.8U CN214171303U (en) | 2020-12-25 | 2020-12-25 | Get reverse gear signal fork mouth subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197206.8U CN214171303U (en) | 2020-12-25 | 2020-12-25 | Get reverse gear signal fork mouth subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214171303U true CN214171303U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023197206.8U Active CN214171303U (en) | 2020-12-25 | 2020-12-25 | Get reverse gear signal fork mouth subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214171303U (en) |
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2020
- 2020-12-25 CN CN202023197206.8U patent/CN214171303U/en active Active
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