Dry type friction clutch

Abstract

The utility model provides a dry type friction clutch, and belongs to the technical field of clutches. The clutch solves the problem that in the prior art, a clutch is not stable in structure due to lack of a pressing plate. The clutch comprises a flywheel, a clutch cover body and an input shaft, the clutch cover body is fixedly connected with one end of the flywheel, a driven disc, a friction plate, a pressing disc and a belleville spring are fixedly installed in the clutch cover body, a release bearing is fixedly installed in the center of the driven disc, and a plurality of spring limiting grooves are formed in the driven disc. A front baffle and a rear baffle are fixedly installed on the two sides of the driven disc respectively, a spring pressing plate is fixedly installed between the driven disc and the rear baffle, a front square page foot is installed between the driven disc and the front baffle, a rear square page foot is installed on the outer side of the spring pressing plate, and a pressing disc is connected with a friction plate. And the belleville spring is connected with the clutch cover body. The utility model has the advantage of stable structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of clutches and relates to a dry friction clutch. Background Art

[0002] The clutch is installed between the engine and the transmission and is a component directly connected to the engine in the automotive powertrain.

[0003] Chinese Patent with the publication number CN201568475U discloses a steel friction clutch, which includes a disc-shaped baffle with a central opening. There are two inner and outer annular grooves on the outer end face of the disc-shaped baffle. It includes a yoke, and there are three inner, outer and middle annular rings protruding on the end face of the yoke. A coil is embedded between the middle annular rings. The outer, middle annular rings and the coil are embedded in the outer annular groove of the disc-shaped baffle together. A bearing is installed between the inner annular ring on the outer end face of the yoke and the inner annular groove wall of the disc-shaped baffle. A shaft sleeve is arranged inside the disc-shaped baffle. A coupling shaft seat is sleeved outside the shaft sleeve. A bearing is installed between the coupling shaft seat and the shaft sleeve. An annular armature for the coil to attract is arranged between the coupling shaft seat and the inner end face of the disc-shaped baffle. The annular armature is sleeved outside the shaft sleeve, and the annular armature is connected to the coupling shaft seat through a reed.

[0004] In the steel friction clutch provided by this patent, device structures such as a pressure plate are lacking, and this connection method is not firm enough, resulting in poor performance during use. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a dry friction clutch for the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved by the following technical solutions: A dry friction clutch includes a flywheel, a clutch cover body and an input shaft. The clutch cover body is fixedly connected to one end of the flywheel. A driven disc, a friction plate, a pressure plate and a disc spring are fixedly installed inside the clutch cover body. A release bearing is fixedly installed at the center of the driven disc. A plurality of spring limit grooves are opened on the driven disc, and a shock-absorbing spring is fixedly installed in the spring limit grooves. A front baffle and a rear baffle are respectively fixedly installed on both sides of the driven disc. A spring pressure plate is fixedly installed between the driven disc and the rear baffle. A front square footer is installed between the driven disc and the front baffle. A rear square footer is installed outside the spring pressure plate. The pressure plate is connected to the friction plate, and the disc spring is connected to the clutch cover body.

[0007] In the above dry friction clutch, the release bearing is installed in the driven disc and sequentially passes through the front baffle, the driven disc, the spring pressure plate and the rear baffle. A spring fixing groove is opened in the spring pressure plate, and a bearing spring is fixedly installed in the spring fixing groove.

[0008] In the above-mentioned dry friction clutch, the input shaft sequentially passes through the clutch cover body, the disc spring and is connected to the release bearing.

[0009] In the above-mentioned dry friction clutch, a plurality of fixing teeth are formed on the clutch cover body, and the disc spring is connected to the clutch cover body through the fixing teeth.

[0010] In the above-mentioned dry friction clutch, a plurality of stud bolts are fixed between the friction plate and the driven disc.

[0011] In the above-mentioned dry friction clutch, a plurality of front protection arc panels and rear protection arc panels are integrally formed on the front baffle and the rear baffle respectively.

[0012] Compared with the prior art, the dry friction clutch provided by the present utility model has the following beneficial effects: 1. By installing a spring pressure plate on one side of the driven disc, the spring pressure plate is clamped and fixed through the front square footer and the rear square footer, and the front baffle and the rear baffle are respectively arranged on both sides of the driven disc to further fix and protect the driven disc and the spring pressure plate, and the structure is stable and firm; 2. By arranging fixing teeth on the clutch cover body, the disc spring can be fixedly connected to the clutch cover body through the fixing teeth, and this structure is more stable than the conventional structure. Description of the Drawings

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is an exploded structure diagram of the present utility model;

[0015] Figure 3 is an exploded structure diagram at the driven disc.

[0016] In the figure: 1. Flywheel; 2. Clutch cover body; 21. Fixing teeth; 3. Input shaft; 4. Driven disc; 41. Spring limit groove; 5. Friction plate; 6. Pressure plate; 7. Disc spring; 8. Release bearing; 9. Shock-absorbing spring; 10. Front baffle; 101. Front protection arc panel; 11. Rear baffle; 111. Rear protection arc panel; 12. Spring pressure plate; 121. Spring fixing groove; 13. Front square footer; 14. Rear square footer; 15. Bearing spring; 16. Stud bolt. Detailed Embodiments

[0017] The following are specific embodiments of the present utility model in combination with the drawings, and the technical solutions of the present utility model will be further described, but the present utility model is not limited to these embodiments.

[0018] Such as Figures 1 to 3As shown in the figure, this embodiment includes a flywheel 1, a clutch cover 2, and an input shaft 3. The clutch cover 2 is fixedly connected to one end of the flywheel 1. A driven disk 4, a friction plate 5, a pressure plate 6, and a disc spring 7 are respectively fixedly installed between the flywheel 1 and the clutch cover 2. A plurality of spring limit grooves 41 are formed on the driven disk 4, and a damping spring 9 is fixedly installed in the spring limit grooves 41. A front baffle 10 and a rear baffle 11 are respectively fixedly installed on the front side and the rear side of the driven disk 4. A spring pressure plate 12 is fixedly installed between the driven disk 4 and the rear baffle 11. A release bearing 8 is fixedly installed at the center of the driven disk 4 and sequentially passes through the front baffle 10, the driven disk 4, the spring pressure plate 12, and the rear baffle 11. A front square footer 13 is installed between the driven disk 4 and the front baffle 10. A rear square footer 14 is installed outside the spring pressure plate 12. The front square footer 13 and the rear square footer 14 clamp and fix the spring pressure plate 12 and the driven disk 4. The number of the friction plates 5 is two, and the friction plates 5 are fixedly installed outside the front baffle 10 and the rear baffle 11. A stud bolt 16 is fixedly installed through the two friction plates 5, and the stud bolt 16 also passes through the driven disk 4 to firmly fix the driven disk 4 and the friction plates 5. The pressure plate 6 is connected to the friction plate 5 at the rear side.

[0019] A plurality of fixing teeth 21 are integrally formed on the clutch cover 2, and the disc spring 7 is connected to the clutch cover 2 through the fixing teeth 21.

[0020] As Figures 1 to 3 shown in the figure, a spring fixing groove 121 is formed in the spring pressure plate 12, and a bearing spring 15 is fixedly installed in the spring fixing groove 121. The input shaft 3 extends from one side of the clutch cover 2, sequentially passes through the clutch cover 2 and the disc spring 7, and passes through the rear baffle 11 and the spring pressure plate 12, and finally is connected to the release bearing 8. The bearing spring 15 is connected to the outside of the release bearing 8, and the bearing spring 15 plays a role in supporting, stabilizing, and damping the release bearing 8.

[0021] To elaborate further, as Figures 1 to 3 shown in the figure, the spring pressure plate 12, the front baffle 10, and the rear baffle 11 are provided with spring limit grooves 41 that are exactly the same as those on the driven disk 4, and the damping spring 9 is fixed therein. A front protective arc panel 101 is integrally formed on the outside of the front baffle 10, and a rear protective arc panel 111 is integrally formed on the outside of the rear baffle 11. The front protective arc panel 101 and the rear protective arc panel 111 are located outside the damping spring 9 and play a further role in protecting and limiting the damping spring 9.

[0022] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0023] Although various terms are used more frequently in this text, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present utility model; any interpretation of them as an additional limitation is contrary to the spirit of the present utility model.

Claims

1. A dry friction clutch, comprising a flywheel (1), a clutch cover (2) and an input shaft (3), wherein the clutch cover (2) is fixedly connected to one end of the flywheel (1), and characterized in that: A driven plate (4), a friction plate (5), a pressure plate (6) and a disc spring (7) are fixedly installed inside the clutch cover (2); a release bearing (8) is fixedly installed at the center of the driven plate (4); a plurality of spring limiting grooves (41) are provided on the driven plate (4); a shock absorbing spring (9) is fixedly installed in the spring limiting grooves (41); a front baffle (10) and a rear baffle (11) are fixedly installed on both sides of the driven plate (4); a spring pressure plate (12) is fixedly installed between the driven plate (4) and the rear baffle (11); a front square footer (13) is installed between the driven plate (4) and the front baffle (10); a rear square footer (14) is installed on the outer side of the spring pressure plate (12); the pressure plate (6) is connected to the friction plate (5); and the disc spring (7) is connected to the clutch cover (2).

2. A dry friction clutch according to claim 1, characterized in that: The release bearing (8) is installed in the driven disk (4) and passes through the front baffle (10), the driven disk (4), the spring pressure plate (12) and the rear baffle (11) in sequence; a spring fixing groove (121) is provided in the spring pressure plate (12); a bearing spring (15) is fixedly installed in the spring fixing groove (121).

3. A dry friction clutch according to claim 1, characterized in that: The input shaft (3) passes through the clutch cover (2), the disc spring (7) in sequence and is connected to the release bearing (8).

4. A dry friction clutch according to claim 1, characterized in that: A plurality of fixing teeth (21) are formed on the clutch cover body (2), and the disc spring (7) is connected to the clutch cover body (2) via the fixing teeth (21).

5. A dry friction clutch according to claim 1, characterized in that: A plurality of stud bolts (16) are fixed between the friction plate (5) and the driven plate (4).

6. A dry friction clutch according to claim 1, characterized in that: A plurality of front protective arc panels (101) and a plurality of rear protective arc panels (111) are respectively integrally formed on the front baffle plate (10) and the rear baffle plate (11).

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