CN219317588U

CN219317588U - Direct-drive tooth sleeve structure

Info

Publication number: CN219317588U
Application number: CN202122914471.1U
Authority: CN
Inventors: 汪胜淋
Original assignee: Chongqing Wangdefu Machinery Co ltd
Current assignee: Chongqing Wangdefu Machinery Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2023-07-07
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to the technical field of automobile spare and accessory parts, and particularly discloses a direct-drive tooth sleeve structure, which comprises a wheel disc which can be fixed on a gear shaft, wherein one end of the wheel disc is provided with a plurality of gear teeth which can be meshed with a parking pawl, the other end of the wheel disc is provided with an auxiliary disc, the diameter of the auxiliary disc is larger than that of the gear teeth, a limiting groove is formed in the side surface of the auxiliary disc, which is close to the gear teeth, and the inner wall of the limiting groove is a smooth surface, so that the position of the parking pawl can be limited by the auxiliary disc, the parking pawl and the parking gear are prevented from generating position deviation, and the problem that the parking performance is affected due to the fact that the parking pawl and the parking gear are easy to generate position deviation when the parking pawl is impacted in the traditional vehicle parking mechanism is solved.

Description

Direct-drive tooth sleeve structure

Technical Field

The application relates to the technical field of automobile spare and accessory parts, and specifically discloses a direct-drive tooth sleeve structure.

Background

Currently, automobiles on the market are generally provided with a parking mechanism, wherein the parking mechanism generally comprises a parking gear and a parking pawl, the parking gear is fixed on a gear shaft of a transmission, the parking pawl is controlled to be engaged with or separated from the parking gear, and after the parking pawl is engaged with the parking gear, the parking pawl locks the parking gear (which is equivalent to the gear shaft locking the transmission) so as to realize parking.

In parking, a parking pawl can be meshed with a parking gear to achieve a parking state, the parking pawl is meshed with or separated from the parking gear through hinging of a plurality of connecting rods, in the long-term use process of a vehicle, the hinging positions of the connecting rods are likely to be loose, or the vehicle is impacted, and the like, so that the position of the parking pawl is offset, the position deviation between the parking pawl and the parking gear is caused, the meshing effect between the parking pawl and the parking gear is reduced, and the parking performance of the vehicle is seriously and even completely influenced.

Disclosure of Invention

The utility model aims to solve the problem that the parking performance is affected due to the fact that the parking pawl and the parking gear are easy to generate position offset when the parking pawl and the parking gear are impacted in the traditional vehicle parking mechanism.

In order to achieve the above purpose, the basic scheme of the utility model provides a direct-drive tooth sleeve structure, which comprises a wheel disc capable of being fixed on a gear shaft, wherein one end of the wheel disc is provided with a plurality of gear teeth capable of being meshed with a parking pawl, the other end of the wheel disc is provided with an auxiliary disc, the diameter of the auxiliary disc is larger than that of the gear teeth, a limiting groove is formed in the side surface, close to the gear teeth, of the auxiliary disc, and the inner wall of the limiting groove is a smooth surface.

Further, the one end that the teeth of a cogwheel kept away from auxiliary disc all is equipped with the chamfer.

Further, the wheel disc inner wall is provided with a mounting hole matched with the gear shaft, and the wheel disc inner wall is provided with a first positioning groove and a second positioning groove which are positioned on two sides of the mounting hole.

Further, the first positioning groove is a conical groove, the second positioning groove is a cylindrical groove, and a smooth transition surface is arranged between the first positioning groove and the second positioning groove.

Further, a mounting ring groove is formed in the side wall of the side wall, away from the gear teeth, of the auxiliary disc.

Furthermore, the joint of the limiting groove and the gear teeth is provided with an inclined transition surface.

Further, the end of the inclined transition surface, which is close to the gear teeth, is the lowest end of the inclined transition surface.

The principle and effect of this scheme lie in:

according to the utility model, the auxiliary wheel is arranged to achieve a limiting effect on the parking pawl, friction between the auxiliary wheel and the parking pawl is reduced through the limiting groove and the smooth surface on the inner wall of the limiting groove, so that abrasion consumption is reduced, the problem that the parking performance is affected due to position deviation between the parking pawl and the parking gear when the parking pawl is impacted in the traditional vehicle parking mechanism is solved, meanwhile, the wheel disc is convenient to install and axially position through the first positioning groove, the second positioning groove, the mounting annular groove and the like, compactness in the transmission process is improved, and the pawl is more convenient to clamp with the gear teeth due to chamfering of the end part of the gear tooth and the inclined transition surface between the limiting groove and the gear tooth.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic structural diagram of a direct-drive tooth socket structure according to an embodiment of the present application.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: wheel disc 1, teeth of a cogwheel 2, auxiliary disc 3, spacing groove 4, first constant head tank 5, second constant head tank 6, installation annular 7.

A direct-drive tooth cover structure is shown in FIG. 1: including can fixing at epaxial rim plate 1 of gear, rim plate 1 one end is equipped with a plurality of teeth of a cogwheel 2 that can with parking pawl meshing, and the tip of teeth of a cogwheel 2 right-hand member all is equipped with the chamfer, and the rim plate 1 other end is equipped with auxiliary disc 3, and auxiliary disc 3's diameter is greater than the diameter of teeth of a cogwheel 2, and auxiliary disc 3 is close to the side of teeth of a cogwheel 2 and is equipped with spacing groove 4, and spacing groove 4 inner wall is smooth surface, and spacing groove 4 is equipped with slope transition surface and is close to the one end of teeth of a cogwheel 2 and be its extreme, and auxiliary disc 3 is kept away from one side lateral wall of teeth of a cogwheel 2 and is equipped with installation annular 7.

The inner wall of the wheel disc 1 is provided with a mounting hole matched with the gear shaft, the inner wall of the wheel disc 1 is provided with a first positioning groove 5 and a second positioning groove 6 which are positioned on two sides of the mounting hole, the first positioning groove 5 is a conical groove, the second positioning groove 6 is a cylindrical groove, and a smooth transition surface is arranged between the first positioning groove 5 and the second positioning groove 6.

The first positioning groove 5 is matched with a conical washer and the like for use, and is positioned through a sleeve and the like, and the second positioning groove 6 is matched with a gear shaft for use, so that the wheel disc 1 is limited in the axial direction, and the whole structure is more convenient to install and detach.

In the implementation process of the utility model, the auxiliary wheel is arranged to limit the parking pawl, the friction between the auxiliary wheel and the parking pawl is reduced through the limit groove 4 and the smooth surface of the inner wall of the limit groove 4, so that the abrasion consumption is reduced, meanwhile, the wheel disc 1 is conveniently installed and axially positioned through the first locating groove 5, the second locating groove 6, the installation annular groove 7 and the like, the compactness in the transmission process is improved, the pawl is more conveniently clamped with the gear teeth 2 through the chamfer at the end part of the gear teeth 2 and the inclined transition surface between the limit groove 4 and the gear teeth 2, and the problem that the parking performance is influenced due to the fact that the parking pawl and the parking gear are easy to generate position deviation when the parking pawl is impacted in the traditional vehicle parking mechanism is solved.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a directly drive tooth cover structure which characterized in that: including can fixing the epaxial rim plate of gear, rim plate one end is equipped with a plurality of teeth of a cogwheel that can be with parking pawl meshing, and the rim plate other end is equipped with the auxiliary disc, the diameter of auxiliary disc is greater than the diameter of teeth of a cogwheel, and the side that the auxiliary disc is close to the teeth of a cogwheel is equipped with the spacing groove, and the spacing inslot wall is smooth surface.

2. The direct drive tooth socket structure as defined in claim 1, wherein said teeth are provided with chamfers at ends thereof remote from said auxiliary disk.

3. The direct-drive tooth sleeve structure according to claim 1, wherein the inner wall of the wheel disc is provided with a mounting hole matched with the gear shaft, and the inner wall of the wheel disc is provided with a first positioning groove and a second positioning groove which are positioned on two sides of the mounting hole.

4. The direct-drive tooth sleeve structure according to claim 3, wherein the first positioning groove is a conical groove, the second positioning groove is a cylindrical groove, and a smooth transition surface is arranged between the first positioning groove and the second positioning groove.

5. The direct-drive tooth socket structure according to claim 1, wherein a side wall of the auxiliary disc, which is far away from the gear teeth, is provided with a mounting ring groove.

6. The direct-drive tooth socket structure according to claim 1, wherein an inclined transition surface is arranged at the joint of the limiting groove and the gear teeth.

7. The direct drive tooth socket structure as defined in claim 6, wherein the end of said inclined transition surface adjacent to the tooth is the lowest end thereof.