KR0180843B1 - Release bearing system for pull type clutch - Google Patents

Abstract

The present invention relates to a release bearing system for a full-type clutch, which is simply performed without the need for a separate tool in snapping in and snapping out a lower end portion of a diaphragm spring having an upper end fixed to a clutch cover.

A release bearing 60 mounted on the center shaft 30, a guide tube 70 mounted on the inner race 61 of the release bearing 60, and fixing the lower end of the diaphragm spring 19; It consists of a wire ring 71 mounted on the guide tube 70 and the inner race (61).

As a result, the snap-in and snap-out operations between the guide tubes are performed only by the horizontal reciprocating motion of the inner race alone, so that there is no need to form a service hole in the clutch housing as in the prior art, thereby eliminating the need for a tool such as a drive. This has the effect of simplifying the parts.

Description

Release bearing system for pull type clutch

The present invention relates to a release bearing system for a pull type clutch of an automobile, and more particularly, a separate tool for snap-in and snap-out to the release bearing the lower end of the diaphragm spring whose upper end is fixed to the clutch cover. A release bearing system for a pull type clutch that is simply performed without need.

A conventional case will be described with reference to FIGS. 1 to 3.

Referring to FIG. 1, as is well known, the clutch assembly 3 is to intercept the power between the engine 1 and the transmission 2.

The clutch assembly 3 transmits a clutch pedal 4 which is operated by a driver, a master cylinder 5 which is operated by the stepping force of the clutch pedal 4, and oil pressure generated by the master cylinder through oil. A pipe 6 to be released, a release cylinder 7 which is linearly moved by the oil moved through the pipe, and a release fork 8 which transmits power to the release bearing 9 by the release cylinder 7. And the flywheel 15 by the clutch cover 19 on which the diaphragm spring 20 on which the lower end is mounted is mounted on the release bearing 9, and the diaphragm spring 20 of the clutch cover 19. It consists of a clutch disk 16 that is enclosed or detached to control the engine.

In general, the clutch can be divided into a pull type clutch and a push type clutch. In the push type clutch, there is no problem of attaching and detaching the diaphragm spring and the release bearing. However, in a full clutch, the diaphragm spring must snap in to the release bearing when the clutch assembly is mounted to the engine. Conversely, when separating the clutch assembly from the engine, the diaphragm spring must snap out of the release bearing.

2 is a cross-sectional view illustrating a diaphragm spring snap-in to a conventional pull-type clutch release bearing, wherein the release bearing 9 includes a bearing rail 10 having a recess 11 and a bearing rail 10. A vertical wall 12 extending vertically from one side of the side is provided.

The lower end of the diaphragm spring 20 is fixed to the spring fixing device 29, and the fixing device 29 is slidable on the wire cover 24. The wire cover 24 has a block portion 25 formed on a portion of its vertical surface 24a, and a wire ring 23 is fixed to a portion of the horizontal portion 24b.

The fixing device 29 is a pivot plate 22 which is slidable on the horizontal surface 24b of the wire cover 24 and the pivot plate cover 21 which is coupled to the pivot plate 22 and fixes the diaphragm spring 20. It is composed of

With the above configuration, the process of snap-in of the spring holding device 29 to the release bearing 9 is performed by first pulling the release bearing 9 to the left in the state of FIG. 2 (a). Likewise, the wire ring 23 is seated and fixed to the recess 11 of the release bearing 9. In this state, the block portion 25 of the wire cover 24 comes into contact with the vertical wall 12 of the release bearing 9.

Then, activating the release fork 8 causes the spring holder 29 to move to the left (second (c)), and this left movement is stopped by the wiring 23 and the second (d) This will help you complete the snap-in.

On the contrary, the snap-out process is that when the release fork 8 is operated in the state of FIG. 3 (a), when the spring fixing device 29 moves to the right (FIG. (FIG. 3 (c)), in order to separate the wire ring 23 of the wire cover 24 from the recessed part 11 of the release bearing 9, a driver through the service hole (not shown) formed in the clutch housing. An extension of the back is inserted to rotate between the vertical surface 24a of the wire cover 24 and the vertical wall 12 of the release bearing 9. As a result, the spring fixing device 29 and the wire cover 24 are snapped out from the release bearing 9.

As described above, in the conventional pull-type clutch release bearing system, the snap-out process requires inserting a driver, etc., between the release bearing and the wire cover to release by the rotational force. A separate service hole must be provided in the joint and the work must also be carried out in a dark and narrow area of the clutch housing.

Therefore, the present invention is to overcome the above-mentioned conventional problems, an object of the present invention, when replacing the clutch assembly, the snap-out process by the driver work from the outside is unnecessary, and the clutch housing does not require a separate service hole The present invention provides a release bearing system for a pull type clutch.

As an example of the release bearing system for a full-type clutch for achieving the object of the present invention, a guide mounted on the center shaft and the inner race of the release bearing fixed to the lower end of the diaphragm spring And a wire ring mounted on the guide tube and the inner race.

This makes the snap-in and snap-out operations between the guide tubes only by the horizontal reciprocating motion of the inner race only.

1 is an exploded perspective view showing a state in which a conventional clutch assembly is mounted.

2 is a cross-sectional view showing a process of snap-in diaphragm spring to a conventional pull-type clutch release bearing.

3 is a cross-sectional view showing a process in which the diaphragm spring snaps out to a conventional pull-type clutch release bearing.

4 is a cross-sectional view of a release bearing system for a pull type clutch according to the present invention.

Figure 5 is a cross-sectional view showing a process of snap-in diaphragm spring to the pull-type clutch release bearing according to the present invention.

Figure 6 is a cross-sectional view showing a process of snapping out the diaphragm spring to the pull-type clutch release bearing according to the present invention.

Figure 7 is an enlarged cross-sectional view showing the shape of the inner race and the guide tube of the release bearing for the full-type clutch according to the present invention.

* Explanation of symbols for main parts of the drawings

1: engine 2: transmission

3: clutch assembly 4: clutch pedal

5: master cylinder 6: pipe

7: release cylinder 8: release fork

9,60: release bearing 10: bearing rail

11 concave portion 12 vertical wall

15: flywheel 19: clutch cover

20: diaphragm spring 21: pivot plate cover

22: pivot plate 23: wiring

24: wire cover 25: convex portion

61: inner race 62: the lower portion of the horizontal portion

63: tape portion 64: the upper horizontal portion

70: guide tube 71: wiring

72: insertion portion 75: primary groove

76: 2nd home 77: 3rd home

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 4 to 7.

Referring to FIG. 4, the release bearing system for a full clutch according to the present invention is mounted on a release bearing 60 mounted on a center shaft 30 and on an inner race 61 of the release bearing 60. And a guide tube 70 for fixing the lower end of the diaphragm spring 19 and a wire ring 71 mounted on the guide tube 70 and the inner race 61.

Referring to FIG. 5 (a), the guide tube 70 includes a vertical portion 70a and a horizontal portion 70b, and is coupled with a fixing portion 72 for fixing the lower end portion of the diaphragm spring 20. do.

On the lower surface of the horizontal portion 70b of the guide tube 70, as shown in more detail in FIG. 7, the first groove 75 of the quarter circle and the downward diameter from the top apex of the primary groove. It consists of a secondary groove 76 formed in a semi-circular shape at the lower end of the photograph position, and a tertiary groove 77 formed in a 1/4 circular shape at regular intervals from the secondary groove 76.

The inner race 64 has a recessed lower surface horizontal portion 62, a tape portion 63 extending obliquely from the lower surface horizontal portion 62, and the tape portion, as shown in more detail in FIG. It consists of the upper surface horizontal part 64 extended horizontally from the upper end of the 63.

By the above configuration, the pull-type clutch release bearing system of the present invention operates as follows.

First, referring to FIG. 5, the process of snap-in (when the clutch is mounted on the engine side) is described. As shown in FIG. 5 (a), the wiring ring 71 has the primary groove 75 of the guide tube 70. With the release bearing 60 moving to the right with the center shaft 30, the vertical wall 61 of the inner race 61 comes into contact with the wire ring 71 (figure 5 (b)). If the inner race 61 is moved to the right, the wire ring 71 is inserted into the secondary groove 76 of the guide tube 70 as shown in the fifth (d).

In this state, when the inner race 61 is slightly moved to the left side, the wire ring 71 is caught in the tape portion 63 of the inner race 61, so that the inner race 61 is no longer moved to the left side and snaps in. Is complete.

On the contrary, the snap-out process is illustrated in detail in FIG. 6, and when the inner race 61 is moved to the right, the vertical wall 66 of the inner race 61 is brought into contact with the wire ring 71 (first). 6 (b)), when the inner race 61 continues to move to the right, as shown in FIG. 6 (c), the wire ring 71 is pushed down to the horizontal portion 62 of the lower surface of the inner race 61, and then As shown in FIG. 6 (d), the wire ring 71 is seated in the tertiary groove 77 of the guide tube 70.

In this state, when the inner race 61 is moved to the left as shown in FIG. 6 (e), the snap out between the inner race 61 and the guide tube 70 is completed.

As described above, in the pull-type clutch release bearing system according to the present invention, since the snap-in and snap-out operations between the guide tubes are performed only by horizontal reciprocating motion of the inner race, it is not necessary to form a service hole in the clutch housing as in the prior art. There is no need, such as a drive, such as a drive, there is an effect that the parts are simplified.

What has been described above is only one embodiment for implementing the release bearing system for a full-type clutch according to the present invention, the present invention is not limited to the above-described embodiment, of the present invention claimed in the following claims Various changes can be made by those skilled in the art without departing from the gist of the present invention.

Claims (4)

A release bearing 60 mounted on the center shaft 30, a guide tube 70 mounted on the inner race 61 of the release bearing 60, and fixing the lower end of the diaphragm spring 19; And a wire ring (71) mounted on the guide tube (70) and the inner race (61). According to claim 1, wherein the guide tube 70 is composed of a vertical portion (70a) and a horizontal portion (70b), characterized in that coupled to the fixing portion 72 for fixing the lower end of the diaphragm spring (20). Release bearing system for pull type clutches. The lower surface of the horizontal portion (70b) of the guide tube (70) of claim 2, wherein the primary groove (75) of the circular and at the lower end of the position inclined downward from the upper end of the primary groove A release bearing for a full-type clutch comprising a secondary groove 76 formed in a semicircular shape, and a tertiary groove 77 formed in a 1/4 circular shape at regular intervals from the secondary groove 76. system. The inner race 61 of claim 1, wherein the inner race 61 has a recessed lower surface horizontal portion 62, a tape portion 63 extending obliquely from the lower surface horizontal portion 62, and an upper end of the tape portion 63. The release bearing system for a full-type clutch, characterized in that consisting of a horizontal horizontal portion (64) extending horizontally.