CN216895722U

CN216895722U - Gear shifting system of pure electric vehicle transmission

Info

Publication number: CN216895722U
Application number: CN202123312842.5U
Authority: CN
Inventors: 薛彪; 张科勋; 梁宏伟; 展复森
Original assignee: Nanjing Qingyan Haiyi New Energy Power Co ltd
Current assignee: Nanjing Qingyan Haiyi New Energy Power Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-05
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a pure electric automobile transmission gear shifting system which comprises a first shifting fork, a first fork shaft, a first guide block, a second fork shaft, a second shifting fork, a second guide block, a first gear sleeve, a second gear sleeve and a sliding block, wherein the first shifting fork is installed on the first fork shaft, the first guide block is installed on the first fork shaft, the second fork shaft is installed behind the first fork shaft, and the second shifting fork is installed on the second fork shaft. The method has a large application range, reduces the design limitation and increases the subsequent optimization; parts in the system are simple in structural design, convenient to process and convenient to maintain; the design structures of a first shifting fork and a second shifting fork in the gear shifting system have the characteristics respectively, and a combinable optimization space is added for the subsequent increase; the overall structure arrangement in the gear shifting system can be set to be a certain-angle staggered type, so that the overall space is compact.

Description

Gear shifting system of transmission of pure electric vehicle

Technical Field

The utility model relates to the technical field of electric automobile transmission, in particular to a pure electric automobile transmission gear shifting system.

Background

The traditional gear shifting actuating mechanism matched with the gearbox mostly adopts lever boosting, pneumatic boosting or hydraulic devices, and a gear shifting system brought by the traditional gear shifting actuating mechanism needs to meet a series of requirements of large load, high frequency, high durability, high precision and the like, so that the heat treatment and processing technology of each part is high, and the assembly process is multiple.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a pure electric vehicle transmission gear shifting system.

The utility model realizes the purpose through the following technical scheme:

a pure electric automobile transmission gear-shifting system comprises a first shifting fork, a first fork shaft, a first guide block, a second fork shaft, a second shifting fork, a second guide block, a first gear sleeve, a second gear sleeve and a slide block, the first shifting fork is arranged on the first fork shaft, and is provided with the first guide block at one side of the first shifting fork, the second fork shaft is arranged behind the first fork shaft, the second shift fork is arranged on the second fork shaft, the second guide block is arranged on one side of the second shifting fork and the second fork shaft, the sliding blocks are arranged at the two ends of the first shifting fork and the second shifting fork, the two sliding blocks which are arranged at the inner side of the first shifting fork and matched with the first shifting fork are provided with the second gear sleeve, the first gear sleeve is arranged on the two sliding blocks which are arranged on the inner side of the second shifting fork and matched with the second shifting fork.

Preferably: the first fork shaft is fixedly connected with the first shifting fork through a pin shaft, and the first guide block is fixedly connected with the first fork shaft through a pin shaft.

So set up, be convenient for install fixedly.

Preferably: the second guide block, the second shifting fork and the second fork shaft are fixedly connected through pin shafts.

According to the arrangement, after speed regulation, external force can act on the second guide block and is transmitted to the second fork shaft through the pin column, at the moment, the second fork shaft moves axially and drives the second shifting fork in fixed fit to move, the second shifting fork transmits acting force to the first gear sleeve through the sliding block, and the first gear sleeve moves axially to perform subsequent meshing, so that gear shifting is successful.

Preferably: the sliding block is fixedly connected with the first shifting fork and the second shifting fork through screws.

So set up, the dismouting between the two of being convenient for connect is fixed.

Preferably: the side view projection of the assembly position of the first guide block and the second guide block is collinear on a plane.

So set up, increase the stability of shifting, reduced the design space.

Preferably: the sliding block is made of copper materials.

So set up, greatly increase wearability.

Preferably: the first shifting fork and the second shifting fork are both provided with W-shaped grooves.

So set up, controlled the accuracy of whole gearshift.

Compared with the prior art, the utility model has the following beneficial effects:

the application range is large, the design limitation is reduced, and the subsequent optimization is increased; the structural design of parts in the system is simple, and the system is convenient to process and maintain; the design structures of a first shifting fork and a second shifting fork in the gear shifting system have the characteristics respectively, so that combinable optimization space is added for the subsequent increase; the overall structure arrangement in the gear shifting system can be set to be a certain-angle staggered type, so that the overall space is compact.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a first structural schematic diagram of a transmission shifting system of a pure electric vehicle according to the present invention;

FIG. 2 is a second schematic structural diagram of a transmission shifting system of a pure electric vehicle according to the utility model;

FIG. 3 is a schematic structural diagram of a first shift fork and a second shift fork of a gear shifting system of a pure electric vehicle transmission according to the present invention;

FIG. 4 is a mounting structure view of a slider of a pure electric vehicle transmission gear shifting system.

The reference numerals are explained below:

1. a first shift fork; 2. a first fork shaft; 3. a first guide block; 4. a second fork shaft; 5. a second shift fork; 6. a second guide block; 7. a first gear sleeve; 8. a second gear sleeve; 9. a slide block.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-4, a pure electric vehicle transmission gear shifting system includes a first shift fork 1, a first fork shaft 2, a first guide block 3, a second fork shaft 4, and a second shift fork 5, the first shifting fork 1 is installed on the first fork shaft 2, the first guide block 3 is installed on the first fork shaft 2 and on one side of the first shifting fork 1, the second fork shaft 4 is installed behind the first fork shaft 2, the second shifting fork 5 is installed on the second fork shaft 4, the second guide block 6 is installed on one side of the second shifting fork 5 and on the second fork shaft 4, the sliding blocks 9 are installed at two ends of the first shifting fork 1 and the second shifting fork 5, the second gear sleeve 8 is installed on two sliding blocks 9 on the inner side of the first shifting fork 1 and matched with the first gear sleeve 1, and the first gear sleeve 7 is installed on two sliding blocks 9 on the inner side of the second shifting fork 5 and matched with the second gear sleeve 5.

Preferably: the first fork shaft 2 is fixedly connected with the first shifting fork 1 through a pin shaft, and the first guide block 3 is fixedly connected with the first fork shaft 2 through a pin shaft, so that the installation and the fixation are convenient; the second guide block 6, the second shifting fork 5 and the second fork shaft 4 are fixedly connected through pin shafts, external force can act on the second guide block 6 after speed regulation and is transmitted to the second fork shaft 4 through pin columns, at the moment, the second fork shaft 4 does axial motion and drives the second shifting fork 5 which is fixedly matched with the second fork shaft to move, the second shifting fork 5 transmits acting force to the first gear sleeve 7 through the sliding block 9, and the first gear sleeve 7 moves axially to perform subsequent meshing, so that gear shifting is successful; the sliding block 9 is fixedly connected with the first shifting fork 1 and the second shifting fork 5 through screws, so that the connected first shifting fork and the second shifting fork are convenient to disassemble, assemble and fix; the side view projection of the assembly positions of the first guide block 3 and the second guide block 6 is collinear on a plane, so that the gear shifting stability is improved, and the design space is reduced; the sliding block 9 is made of copper materials, so that the wear resistance is greatly improved; all set up the groove of "W" shape on first shifting fork 1, the second shifting fork 5, controlled the accuracy of whole gearshift.

The working principle and the using method of the utility model are as follows: after speed regulation, external force can act on the first guide block 3 and the second guide block 6 and is transmitted to the first fork shaft 2 and the second fork shaft 4 through the pin shaft, at the moment, the first fork shaft 2 and the second fork shaft 4 do axial motion and drive the first shifting fork 1 and the second shifting fork 5 which are fixedly matched with the first fork shaft to move, the first shifting fork 1 and the second shifting fork 5 transmit acting force to the second gear sleeve 8 and the first gear sleeve 7 through the sliding block 9, and the second gear sleeve 8 and the first gear sleeve 7 axially move to perform subsequent meshing, so that gear shifting is successful.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a pure electric vehicles derailleur shift system which characterized in that: shifting fork (1), first fork shaft (2), first guide block (3), second fork shaft (4), second fork shaft (5), second guide block (6), first gear sleeve (7), second gear sleeve (8) and slider (9) including first, first fork (1) of shifting is installed on first fork shaft (2), install on first fork shaft (2) and install one side of first fork (1) of shifting first guide block (3), install at the rear of first fork shaft (2) second fork shaft (4), install on second fork shaft (4) the second is shifted fork (5), one side of second fork (5) is shifted fork and is installed on second fork shaft (4) second guide block (6), first fork (1) of shifting, the both ends of second fork (5) are all installed slider (9), the inboard of first fork (1) just cooperates with two on it slider (9) install slider (9) second fork (9) The gear sleeve (8), the first gear sleeve (7) is installed on the inner side of the second shifting fork (5) and the two sliding blocks (9) matched with the second shifting fork.

2. The pure electric vehicle transmission gear shifting system according to claim 1, characterized in that: the first fork shaft (2) is fixedly connected with the first shifting fork (1) through a pin shaft, and the first guide block (3) is fixedly connected with the first fork shaft (2) through a pin shaft.

3. The pure electric vehicle transmission gear shifting system according to claim 1, characterized in that: the second guide block (6), the second shifting fork (5) and the second fork shaft (4) are fixedly connected through pin shafts.

4. The pure electric vehicle transmission gear shifting system according to claim 1, characterized in that: the sliding block (9) is fixedly connected with the first shifting fork (1) and the second shifting fork (5) through screws.

5. The pure electric vehicle transmission gear shifting system according to claim 1, characterized in that: the side view projection of the assembling position of the first guide block (3) and the second guide block (6) is collinear on a plane.

6. The pure electric vehicle transmission gear shifting system according to claim 1, characterized in that: the sliding block (9) is made of copper materials.

7. The pure electric vehicle transmission gear shifting system according to claim 1, characterized in that: the first shifting fork (1) and the second shifting fork (5) are provided with W-shaped grooves.