CN217421933U

CN217421933U - Positioning structure of pull type clutch separating device

Info

Publication number: CN217421933U
Application number: CN202122799552.1U
Authority: CN
Inventors: 张波; 赵娜; 栗文
Original assignee: Baoji Fast Gear Co Ltd
Current assignee: Baoji Fast Gear Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-09-13
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a positioning structure of a pull-type clutch release device, a release fork bracket is connected with a clutch shell through a positioning pin, and a release fork is connected with the release fork bracket through a release fork shaft; the bolt penetrates through a screw hole between the separation shifting fork bracket and the clutch shell for fixing; the separating shifting fork shaft penetrates through the clamping arm of the separating shifting fork bracket and the middle part of the separating shifting fork; the cooperation of locating pin and pinhole is transition fit, gives the separation support positioning action, guarantees that the relative position of separation shift fork support and clutch housing is fixed, eliminates the relative error that causes because the assembly, has reduced the risk of the whole car separation trouble that causes because the assembly precision is poor.

Description

Positioning structure of pull type clutch separating device

Technical Field

The utility model belongs to the automobile clutch field relates to a draw formula clutch release's location structure.

Background

The clutch is mounted between the engine and the transmission and is the assembly in the vehicle driveline that is directly associated with the engine. The clutch is usually mounted with the flywheel set of the engine crankshaft and is the part that cuts off and transmits power between the engine and the vehicle drive train. Clutches can be divided into pull clutches and push clutches; the push-type clutch has simple structure, lower manufacturing cost and installation cost and relatively limited torque transmission capacity; under the same separating force, the load born by the separating bearing of the pull type clutch separating device is smaller than that of the push type clutch, so the torque transferring capacity is stronger, the larger torque transferring requirement can be met, the lift is good, the separation is thorough, and the cost is relatively higher.

In the existing pull-type separating device, a separating bracket is generally connected with a clutch shell through four bolts, and bolt through holes in the separating bracket are generally larger than the outer diameter of the bolts by about 1mm, so that the position degree of a separating mechanism is relatively large due to large positioning error, and the fault of the whole separating system is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem among the prior art, provide a draw formula clutch release's location structure, through two locating pin location clutch housing and release bracket, because the cooperation of locating pin is transition fit, as long as each parts machining is suitable, just can guarantee the relative position of separating mechanism for clutch housing and whole gearbox, eliminate because the relative error that the assembly caused influences whole clutch release's problem.

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

a positioning structure of a pull type clutch release device, comprising: the clutch comprises a release fork bracket, a clutch shell, a release fork shaft and a positioning pin;

the separation shifting fork support is connected with the clutch shell through a positioning pin, and the separation shifting fork is connected with the separation shifting fork support through a separation shifting fork shaft.

The utility model discloses a further improvement lies in:

the positioning structure further comprises a bolt; the bolt penetrates through a screw hole between the release fork bracket and the clutch shell to be fixed.

The clutch shell is connected with the flywheel shell of the engine; the number of the bolts is four; the number of the positioning pins is two; the fit of the positioning pin and the pin hole is transition fit.

The middle part of the separation shifting fork is arranged between the clamping arms of the separation shifting fork bracket.

The separating shifting fork shaft penetrates through the clamping arm of the separating shifting fork bracket and the middle part of the separating shifting fork.

The locating pin is made of metal.

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

the utility model discloses a draw formula clutch release's location structure, separation shift fork support is connected through the bolt with the clutch housing, separation shift fork support and clutch housing add the locating pin and fix, the locating pin is the transitional coupling mode with separation support and clutch housing, gives separation support positioning action, guarantees that the relative position of separation shift fork support and clutch housing is fixed, eliminates because the relative error that the assembly caused, has reduced the risk of the whole car separation trouble that arouses because the assembly precision is poor.

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 side view of the pull clutch with a release fork assembly of the present invention;

FIG. 2 is a top view of the pull clutch with a release fork assembly according to the present invention;

FIG. 3 is a front view of a release fork used in the present invention;

fig. 4 is a side view of a release fork according to the present invention.

Wherein: 1-separating a fork support; 2-bolt; 3-a clutch housing; 4-disengaging the shifting fork; 5-a shifting fork shaft; 6-positioning pin.

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 solely to distinguish one 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 and 2, fig. 1 and 2 disclose a pull type clutch with a release fork assembly, wherein a release fork support 1 is connected with a clutch housing 3 through a positioning pin 6, and a release fork 4 is connected with the release fork support 1 through a release fork shaft 5. The bolt 2 passes through a screw hole between the release fork support 1 and the clutch housing 3 to be fixed. The clutch housing 3 is connected with an engine flywheel shell, the number of the bolts 2 is four, the number of the positioning pins 6 is two, the positioning pins 6 are in transition fit with the pin holes, the middle part of the separation shifting fork 4 is arranged between the clamping arms of the separation shifting fork support 1, the separation shifting fork shaft 5 penetrates through the clamping arms of the separation shifting fork support 1 and the middle part of the separation shifting fork 4, and the positioning pins 6 are made of metal materials.

The clutch shell 3 is connected with an engine flywheel shell, the separation shifting fork bracket 1 is connected with the clutch shell 3 through four bolts 2 and two positioning pins 6, and the separation shifting fork 4 is connected with the separation bracket 1 through a shifting fork shaft 5; the aperture on the separation shifting fork bracket 1 is

The diameter of the bolt is

The single side has a gap of 0.5mm, so the assembly is realized in the actual use processAnd positioning errors cause a leg deviation of the release fork 4. In order to eliminate errors, two positioning pins 6 are additionally arranged on the basis of an original mechanism, so that the positioning of the separation support is more accurate, the assembling and positioning errors are eliminated, the separation shifting fork and the separation bearing are better positioned, and the faults of a separation system caused by the assembling errors are reduced.

The working process of the pull type clutch is as follows: the push rod of the clutch slave cylinder is pressed against the ball socket of the separation shifting fork 4 to push the separation shifting fork 4 to rotate, the separation shifting fork 4 is supported on the separation bracket 1 by the separation shifting fork shaft 5 to rotate, and the two pins at the upper end of the separation shifting fork 4 drive the separation shaft 5 to move back and forth, so that the separation bearing is driven to drive the clutch to be combined and disconnected, and the separation effect is achieved.

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 positioning structure of a pull type clutch release device, comprising: the clutch comprises a separation shifting fork bracket (1), a clutch shell (3), a separation shifting fork (4), a separation shifting fork shaft (5) and a positioning pin (6);

the clutch is characterized in that the separation shifting fork support (1) is connected with the clutch shell (3) through a positioning pin (6), and the separation shifting fork (4) is connected with the separation shifting fork support (1) through a separation shifting fork shaft (5).

2. The positioning structure of the pull type clutch release device according to claim 1, further comprising a bolt (2); and the bolt (2) penetrates through a screw hole between the separation shifting fork bracket (1) and the clutch shell (3) to be fixed.

3. The positioning structure of a pull type clutch release device according to claim 1, characterized in that the clutch housing (3) is connected to an engine flywheel housing.

4. The positioning structure of a pull type clutch release device according to claim 2, characterized in that the number of the bolts (2) is four.

5. The positioning structure of a pull type clutch release device according to claim 1, characterized in that the number of the positioning pins (6) is two.

6. The positioning structure of the pull type clutch release device according to claim 3, characterized in that the fitting of the positioning pin (6) to the pin hole is transition fitting.

7. The positioning structure of a pull type clutch release apparatus according to claim 1, wherein the center portion of the release fork (4) is provided between the grip arms of the release fork holder (1).

8. The positioning structure of a pull type clutch release apparatus according to claim 7, wherein the release fork shaft (5) penetrates the middle portions of the grip arm of the release fork carrier (1) and the release fork (4).

9. The positioning structure of a pull type clutch release device according to claim 1, wherein the positioning pin (6) is made of metal.