CN217152943U

CN217152943U - Separation shift fork assembly and clutch

Info

Publication number: CN217152943U
Application number: CN202220343242.0U
Authority: CN
Inventors: 王建峰; 张从东; 孟娜
Original assignee: Baoji Fast Gear Co Ltd
Current assignee: Baoji Fast Gear Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-09
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a separation shifting fork assembly and a clutch, which comprises a first ball socket, a second ball socket and a separation shifting fork main body; the separation shifting fork main body comprises a connecting middle part and two shifting fork arms, and the two shifting fork arms are symmetrically arranged on two sides of the connecting middle part; first ball socket and second ball socket symmetry set up on two declutch arms, there is the angle of buckling two declutch arms and the junction of being connected the middle part, make two declutch arms of release fork be indent bending type structure, make the contact surface of release fork connection middle part shorten with the distance of first ball socket and second ball socket, in the assembly, the distance that the terminal surface is recessed clutch housing spigot face before realizing the release bearing is more, according to the adaptation clutch of difference, adjust the angle that declutch arm buckles, make the more clutch of release fork ability adaptation, the technical problem that the release fork is difficult to be suitable for multiple type separator among the prior art has been solved.

Description

Separation shift fork assembly and clutch

Technical Field

The utility model belongs to separation shift fork field relates to a separation shift fork assembly and clutch.

Background

Since shifting operations are often required during driving of a motor vehicle, the mechanical transmission must have a release device for disengaging and engaging the clutch. Generally, mechanical transmission release devices are classified into pull type and push type, wherein the push type clutch release device is more and more widely applied due to reliable structure and excellent release performance.

In the clutch release system, the initial position of the release bearing refers to the distance (see distance X in fig. 3) from the front end surface of the release bearing to the spigot surface of the clutch housing, the positive and negative and absolute size of the parameter (X) are determined by the position of the release bearing, and various complicated clutches of different types exist in the market at present, so that the clutch release system needs to: the parameter (X) of the transmission end can meet the regulation of positive and negative and size.

The release fork is one of important parts in a clutch release system and pushes the release bearing to move back and forth, so that the clutch is released and combined. At present, the release fork is designed to be a front convex type, namely, the contact surface of the release fork is forward relative to the upper ball socket and the lower ball socket, so that the initial position of the release bearing is forward relative to the whole clutch shell, and the requirements of matching a part of clutches on the market cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem among the prior art, provide a release fork assembly and clutch.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

a release fork assembly comprises a first ball socket, a second ball socket and a release fork main body;

the separation shifting fork main body comprises a connecting middle part and two shifting fork arms, and the two shifting fork arms are symmetrically arranged on two sides of the connecting middle part;

the first ball socket and the second ball socket are symmetrically arranged on the two shifting fork arms, and the connection part of the two shifting fork arms and the connection middle part has a bending angle.

The bending angle is 157 °.

The bend angle is 150 °, 160 °, or 165 °.

A bushing is disposed within the first socket.

The bush is a plastic bush.

A clutch comprising a release strut and a release bearing;

the connecting middle part of the separation shifting fork main body is sleeved on the outer side of the separation bearing, the end face, close to the separation bearing, of the separation shifting fork main body abuts against the separation bearing, and the other end face, far away from the separation shifting fork main body, of the separation bearing abuts against a clutch separation finger;

the release strut is connected to the first ball socket and the clutch housing, respectively.

The separation shifting fork main body is connected with the separation bearing through a cylindrical pin.

The separation strut is connected with the clutch housing through threads.

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

the utility model discloses a separation shift fork assembly and clutch, separation shift fork arm and connection middle part exist the angle of buckling for two shift fork arms of separation shift fork are indent bending type structure, make the contact surface at separation shift fork connection middle part shorten with the distance of first ball socket and second ball socket, in the assembly, the distance that the terminal surface is recessed clutch housing spigot face before the realization release bearing is more, according to the adaptation clutch of difference, adjust the angle that the shift fork arm is buckled, make the clutch that the separation shift fork can the adaptation is more.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a release fork assembly of the present invention;

FIG. 2 is an assembly structure view of the clutch of the present invention;

FIG. 3 is a block diagram of the assembly of a prior art declutching fork assembly in a clutch.

Wherein: 1-a first ball and socket; 2-separating the shift fork contact surface; 3-a second ball and socket; 4-a bushing; 5-a separation strut; 6-release bearing; 7-cylindrical pins; 8-separating the shifting fork main body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings:

referring to fig. 1-2, the embodiment of the utility model discloses a release fork assembly and clutch, including first ball socket 1, release fork contact surface 2, second ball socket 3, bush 4, release strut 5, release bearing 6, cylindric lock 7 and release fork main part 8.

Referring to fig. 1, the embodiment of the utility model discloses a separation shift fork assembly includes separation shift fork main part 8, and separation shift fork main part 8 is including connecting middle part and two shifting yoke arms, and wherein, connects the middle part and adorns the structure for encircling, and two shifting yoke arm symmetries set up in the both sides of connecting the middle part, and two shifting yoke arms and the structure of connecting middle part formula as an organic whole, and two shifting yoke arms are connected at the middle part and are the indent formula structure of buckling, the embodiment of the utility model discloses a separation shift fork assembly carries out certain reentrant angle design in separation shift fork main part 8 fore-and-aft about quarter and three quarters.

The bending angle can be 150 °, 160 ° or 165 ° depending on the requirements of the clutch to be adapted in practice.

The embodiment of the utility model provides a still disclose a shift fork arm bending angle is 157 separation shift fork.

The embodiment of the utility model provides an in, first ball socket 1 has been seted up to the position that one shift fork arm is close to the end, and second ball socket 3 has been seted up to the position that another shift fork arm is close to the end, has inlayed bush 4 on first ball socket 1's the inside arm, the embodiment of the utility model provides an in first ball socket 1 and the symmetrical setting of second ball socket 3.

Referring to fig. 2, the embodiment of the utility model provides a still discloses a clutch, and the clutch includes the embodiment of the utility model discloses a separation shift fork assembly, concrete connection structure is:

the connection middle part of the release fork main body 8 is sleeved on the outer side of the release bearing 6, a clamping groove is formed in the release bearing 6, the release fork main body 8 is fixed by the aid of the cylindrical pin 7, the connection middle part of the release fork main body 8 is abutted against the release fork contact surface 2 close to the release bearing 6, and the other side contact surface, far away from the release fork main body 8, of the release bearing 6 is abutted against a clutch release finger.

The first ball socket 1 is connected with one end of a separation strut 5, a bushing 4 is wrapped on the outer side of the separation strut 5, one side, far away from the bushing 4, of the separation strut 5 is connected with a separator shell, and the second ball socket 3 is connected with an external clutch wheel cylinder push rod.

The embodiment of the utility model discloses clutch's assembly method:

(1) the separation strut 5 is fixed on the clutch shell through threaded connection;

(2) the first ball socket 1 is embedded with a plastic bush 4, and the bush 4 is wrapped on the separation support post 5, namely, the separation fork body 8 is hung on the separation support post 5.

(3) The contact surface of the separation shifting fork main body 8 is abutted against the rear end face of the separation bearing 6, clamping grooves are formed in two ends of the separation bearing 6, and the separation shifting fork main body 8 can pull the separation bearing 6 to move back and forth through the cylindrical pin 7.

(4) The front end face of the release bearing 6 abuts against a clutch release finger, the second ball socket 3 can be connected with an external clutch slave cylinder push rod, the slave cylinder push rod pushes the slave cylinder down, the first ball socket 1 rotates around the release strut 5 to be fixed, the release fork main body 8 serves as a lever mechanism, the release fork contact surface 2 of the lever mechanism pushes the release bearing 6 to move back and forth, and the release bearing 6 pushes the release finger to realize the separation and combination of the clutch.

The embodiment of the utility model provides an in, the angle structure of buckling of shifting fork arm can make separation shift fork contact surface and upper and lower ball socket's distance shorten greatly, can realize the more distance of terminal surface recessed clutch housing spigot face before the release bearing in the assembly body (initial position X becomes the negative number even great negative number), effectively solves the market problem of the unable adaptation part clutch of conventional separation shift fork.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A release fork assembly, comprising a first ball socket (1), a second ball socket (3) and a release fork body (8);

the separation shifting fork main body (8) comprises a connecting middle part and two shifting fork arms, and the two shifting fork arms are symmetrically arranged on two sides of the connecting middle part;

the first ball socket (1) and the second ball socket (3) are symmetrically arranged on the two shifting fork arms, and a bending angle exists at the joint of the two shifting fork arms and the middle part of the connection.

2. A release fork assembly according to claim 1, wherein the bend angle is 157 °.

3. A release fork assembly according to claim 1, wherein the bend angle is 150 °, 160 ° or 165 °.

4. A release fork assembly according to claim 1, wherein a bushing (4) is provided in the first ball socket (1).

5. A release fork assembly according to claim 4, wherein the bushing (4) is a plastic bushing.

6. A clutch, characterized by comprising a declutching fork assembly according to claim 1, a declutching strut (5) and a declutching bearing (6);

the middle connecting part of the separation shifting fork main body (8) is sleeved on the outer side of the separation bearing (6), the end face, close to the separation bearing (6), of the separation shifting fork main body (8) is abutted against the separation bearing (6), and the other end face, far away from the separation shifting fork main body (8), of the separation bearing (6) is abutted against a clutch separation finger;

the separation strut (5) is respectively connected with the first ball socket (1) and the clutch housing.

7. A clutch according to claim 6, characterized in that the declutching fork body (8) is connected to the declutching bearing (6) by means of a cylindrical pin (7).

8. A clutch according to one of the claims 6 to 7, characterized in that the release strut (5) is screwed to the clutch housing.