CN114001149A

CN114001149A - Electronic gear shifter

Info

Publication number: CN114001149A
Application number: CN202111287252.3A
Authority: CN
Inventors: 周飞; 舒龙标
Original assignee: Changzhou Huisite Electronic Technology Co ltd
Current assignee: Changzhou Huisite Electronic Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-02-01

Abstract

The invention relates to the technical field of gear shifters, in particular to an electronic gear shifter which comprises a shell, wherein a cross shaft is rotatably connected in the shell, an operating lever is rotatably connected with the cross shaft, a rotating central shaft of the cross shaft is arranged along the X direction, and a rotating central shaft of the operating lever is arranged along the Y direction.

Description

Electronic gear shifter

Technical Field

The invention relates to the technical field of gear shifters, in particular to an electronic gear shifter.

Background

The automotive shifter is one of the most important components in the automotive drive train, and the chinese automotive shifter market is under high-speed development and is growing at a rate of over 15% per year. Due to the wide market space of automobile gear shifters, the industry is increasingly competitive. Along with the requirements of human beings on the comfort of the automobile and the future automatic driving of the automobile, the electronic gear shifter is more and more popular in the Chinese market, and most of the electronic gear shifters in the prior art are complex in structure, large in size, high in cost and high in requirement on the space of the whole automobile.

Disclosure of Invention

In order to solve the problem that the shifter in the prior art is complex in structure, the invention provides the electronic shifter which is simple in structure.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides an electronic shifter, includes the casing, the rotation is connected with the cross in the casing, the cross rotate and be connected with the control rod, the rotation center pin of cross along X direction, the rotation center pin of control rod along the Y direction, the casing in still be equipped with control module and be used for detecting the detection device of control rod position.

Furthermore, the operating rod is provided with a through hole along the Y direction, a fixed shaft is connected in the through hole in an interference mode, the cross shaft is provided with a center hole for the operating rod to penetrate through, the cross shaft is provided with a mounting hole, and the mounting hole and the fixed shaft are in clearance fit.

Furthermore, a limiting groove used for limiting the operating rod to move along the Y direction is formed in the cross shaft, and a limiting block matched with the limiting groove is arranged on the operating rod. This ensures the distance between the operating lever and the cross-shaft.

Furthermore, the outer edge of the limiting block is arc-shaped. Therefore, the arc-shaped outer edge of the limiting block cannot interfere with the cross shaft when the operating lever rotates, and the stroke of the operating lever is not influenced.

Furthermore, the shell is provided with a circular groove used for rotatably connecting a cross shaft, the cross shaft is provided with a side shaft, the side shaft is provided with rubber coating, and the outer diameter of the rubber coating is matched with the inner diameter of the circular groove.

Furthermore, the casing in be equipped with the stopper of shifting, the stopper of shifting have the groove, the bottom of control rod be connected with at inslot gliding bullet.

Furthermore, the bullet head is arranged on the operating rod in a telescopic mode, a spring used for enabling the bullet head to abut against the surface of the groove is arranged between the operating rod and the bullet head, the groove comprises a tooth-shaped groove arranged along the Y direction, the tooth-shaped groove is smooth in transition and provided with a groove bottom, and the structure can achieve self-resetting of the bullet head in the tooth-shaped groove in a sliding mode.

Furthermore, a buffer pad is arranged in the shell at the rotation limit position of the operating rod, and the buffer pad can reduce the impact.

Furthermore, the control module comprises a PCB board, and the detection device comprises a magnetic block arranged on the operating rod and a Hall sensor arranged on the PCB board.

Further, the shell is formed by splicing a first shell and a second shell.

Has the advantages that:

(1) the cross shaft is arranged in the shell and rotates along the X direction, and the operating rod is arranged in the cross shaft and rotates along the Y direction, so that the X direction and the Y direction of the operating rod can rotate, the structure is simple, and the occupied space is small;

(2) the cross shaft is fixed and limited through the left shell and the right shell, so that the cross shaft can smoothly run; the cross shaft is provided with a limiting groove used for limiting the control lever to move along the Y direction, the control lever is provided with a limiting block matched with the limiting groove, the gap between the control lever and the cross shaft is ensured, and the stability of a product is ensured when the gear shifting and the gear selecting are carried out;

(3) the cross shaft is combined with the 3D Hall sensor to achieve signal output of each gear, the structural stability is good, and the signal stability of the Hall sensor can be guaranteed;

(4) the cross shaft is made of a secondary rubber-coated wear-resistant self-lubricating material, so that the service life and the use hand feeling of the product are ensured;

(5) the bullet head slides in the tooth-shaped groove and can be automatically reset, so that the comfort of operation and driving is ensured, and meanwhile, the driver is prevented from being damaged due to misoperation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is an overall structural view of an electronic shifter of the present invention;

FIG. 2 is a block diagram of the electronic shifter of the present invention with the housing omitted;

FIG. 3 is a block diagram of a cross-shaft (including encapsulation) of the present invention;

FIG. 4 is a view showing an installation structure of the operating lever and the fixed shaft according to the present invention;

FIG. 5 is a block diagram of the joystick of the present invention;

FIG. 6 is a view of the structure of the stationary shaft;

FIG. 7 is a block diagram of the shift limiting block;

fig. 8 is a schematic diagram of the force situation of the bullet.

The gear shifting device comprises a shell 1, a shell body 11, a first shell 12, a second shell 2, a cross shaft 21, a mounting hole 22, a limiting groove 23, rubber coating 3, an operating rod 31, a through hole 32, a limiting block 4, a fixing shaft 5, a gear shifting limiting block 51, a tooth-shaped groove 6, a bullet head 7, a buffer cushion 8, a PCB board 9 and a magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 to 7, an electronic gear shifter includes a housing 1, a cross shaft 2 is rotatably connected to the housing 1, an operating lever 3 is rotatably connected to the cross shaft 2, a rotation center axis of the cross shaft 2 is along an X direction, a rotation center axis of the operating lever 3 is along a Y direction, and a control module and a detection device for detecting a position of the operating lever 3 are further disposed in the housing 1.

The operating rod 3 is provided with a through hole 31 along the Y direction, a fixed shaft 4 is connected in the through hole 31 in an interference mode, the cross shaft 2 is provided with a center hole for the operating rod 3 to penetrate through, the cross shaft 2 is provided with a mounting hole 21, and the mounting hole 21 is in clearance fit with the fixed shaft 4.

The cross shaft 2 is provided with a limiting groove 22 for limiting the motion of the operating rod 3 along the Y direction, and the operating rod 3 is provided with a limiting block 32 matched with the limiting groove 22. The outer edge of the limiting block 32 is arc-shaped. Thus, the clearance between the operating rod 3 and the cross shaft 2 is ensured, and the stability of the product is ensured when the gear is shifted and selected.

The shell 1 is provided with a circular groove used for rotatably connecting the cross shaft 2, the cross shaft 2 is provided with a side shaft, the side shaft is provided with an encapsulation 23, and the outer diameter of the encapsulation 23 is matched with the inner diameter of the circular groove. The encapsulated material is POM.

Be equipped with the stopper 5 of shifting in casing 1, the stopper 5 of shifting has the groove, and the bottom of control rod 3 is connected with the bullet head 6 that slides in the groove.

The bullet head 6 is telescopically arranged on the operating rod 3, a spring used for enabling the bullet head 6 to abut against the surface of the groove is arranged between the operating rod 3 and the bullet head 6, the groove comprises at least two tooth-shaped grooves 51 arranged along the Y direction, the adjacent tooth-shaped grooves 51 are communicated, the tooth-shaped grooves 51 are in smooth transition and are provided with groove bottoms 511, when the gear shifting operation is not carried out, as shown in fig. 8, the resultant force direction of the elasticity F of the spring, the self gravity G and the supporting force N of the tooth-shaped grooves 51 on the bullet head 6 is the inclined downward direction, the resultant force enables the bullet head 6 to slide downwards along the tooth-shaped grooves 51 and slide to the groove bottoms 511 (the force of the bullet head 6 at the groove bottoms 511 is balanced), and the groove bottoms 511 of the tooth-shaped grooves 51 correspond to the reset position of the operating rod 3, so that the self-reset of gears can be realized through the structural form, the comfort of the operation and the driving is ensured, and meanwhile, the damage caused by misoperation of a driver is avoided.

The housing 1 is provided with cushions 7 at the rotation limit positions of the operating lever 3, and the cushions are provided at both ends in the Y direction in the present invention.

The control module comprises a PCB (printed circuit board) 8, and the detection device comprises a magnetic block 9 arranged on the operating rod 3 and a Hall sensor arranged on the PCB 8. The Hall sensor in the invention is a 3D Hall sensor.

The housing 1 is formed by splicing a first housing 11 and a second housing 12, and the first housing 11 and the second housing 12 are fixed by screw connection.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The electronic gear shifter is characterized by comprising a shell (1), wherein a cross shaft (2) is rotatably connected in the shell (1), an operating rod (3) is rotatably connected to the cross shaft (2), a rotating central shaft of the cross shaft (2) is arranged along the X direction, a rotating central shaft of the operating rod (3) is arranged along the Y direction, and a control module and a detection device for detecting the position of the operating rod (3) are further arranged in the shell (1).

2. An electronic shifter according to claim 1 wherein: control lever (3) be equipped with through-hole (31) along the Y direction, through-hole (31) in interference connection have fixed axle (4), cross (2) be equipped with the centre bore that is used for supplying control lever (3) to pass, cross (2) on be equipped with mounting hole (21), mounting hole (21) fixed axle (4) clearance fit.

3. An electronic shifter according to claim 2 wherein: the cross shaft (2) is provided with a limiting groove (22) used for limiting the operating rod (3) to move along the Y direction, and the operating rod (3) is provided with a limiting block (32) matched with the limiting groove (22).

4. An electronic shifter according to claim 3 wherein: the outer edge of the limiting block (32) is arc-shaped.

5. An electronic shifter according to claim 1 wherein: the universal joint is characterized in that a circular groove used for rotatably connecting the universal joint (2) is formed in the shell (1), the universal joint (2) is provided with a side shaft, rubber coating (23) is arranged on the side shaft, and the outer diameter of the rubber coating (23) is matched with the inner diameter of the circular groove.

6. An electronic shifter according to claim 1 wherein: casing (1) in be equipped with stopper (5) of shifting, stopper (5) of shifting have a groove, the bottom of control rod (3) be connected with in inslot gliding bullet head (6).

7. An electronic shifter according to claim 6 wherein: the bullet head (6) is arranged on the operating rod (3) in a telescopic mode, a spring used for enabling the bullet head (6) to abut against the surface of the groove is arranged between the operating rod (3) and the bullet head (6), the groove comprises a tooth-shaped groove (51) arranged along the Y direction, and the tooth-shaped groove (51) is smooth in transition and provided with a groove bottom (511).

8. An electronic shifter according to claim 1 wherein: a buffer pad (7) is arranged at the rotation limit position of the operating lever (3) in the shell (1).

9. An electronic shifter according to claim 1 wherein: the control module comprises a PCB (printed circuit board) board (8), and the detection device comprises a magnetic block (9) arranged on the operating rod (3) and a Hall sensor arranged on the PCB board (8).

10. An electronic shifter according to claim 1 wherein: the shell (1) is formed by splicing a first shell (11) and a second shell (12).