Pressure plate assembly of durable clutch

Abstract

The utility model relates to a durable clutch pressure plate assembly which comprises an upper clutch cover, a lower clutch cover, a shaft sleeve, a diaphragm spring, an upper pressure plate, a driven plate, a lower pressure plate, a linkage rod, a separation rod and protection rods, the protection rods are circumferentially distributed on the outer side of the lower pressure plate, and the upper pressure plate is provided with limiting parts corresponding to the protection rods. According to the utility model, the protection rods for limiting are arranged on the periphery of the lower pressure plate, and when the separation rod is excessively pressed downwards, the bottom surface of the upper pressure plate is propped against the protection rods, so that the upper pressure plate cannot be further close to the lower pressure plate, and the diaphragm spring is prevented from being excessively compressed; the stroke of the diaphragm spring is controlled within a reasonable range, the durability and the transmission efficiency of the clutch are improved, and the clutch has wide application prospects.

Description

Technical Field

[0001] This utility model relates to the technical field of clutches, and in particular to a pressure plate assembly for a durable clutch. Background Technology

[0002] The clutch is a key component in the automotive transmission system, mainly used to transmit and interrupt power between the engine and the gearbox. However, existing clutches suffer from the technical problem of excessive compression of the diaphragm spring. For example, patent number 201020539898.7 discloses a clutch cover assembly in which the first pressure plate moves up and down by rotating the release rod, thereby transmitting or interrupting power. However, when the release rod controls the first pressure plate too tightly, the stroke of the diaphragm spring cannot be effectively controlled, which may cause the diaphragm spring to lose its elasticity due to excessive compression, resulting in clutch failure or shortened life. To solve the above problems, there is an urgent need for a new type of durable clutch pressure plate assembly that can accurately control the stroke of the diaphragm spring, thereby improving the durability and transmission efficiency of the clutch. Summary of the Invention

[0003] To overcome the shortcomings of the prior art, the technical solution adopted by this utility model is: a pressure plate assembly of a durable clutch, including an upper clutch cover, a lower clutch cover, a bushing, a diaphragm spring, an upper pressure plate, a driven plate, a lower pressure plate, a linkage rod, and a release rod. The upper clutch cover is connected to the lower clutch cover through the bushing, and the upper clutch cover is connected to the upper pressure plate through the diaphragm spring. A driven plate is provided between the upper pressure plate and the lower clutch cover. The lower clutch cover is connected to the lower pressure plate through the diaphragm spring. A release rod for controlling the engagement and disengagement of the driven plate and the upper pressure plate is rotatably connected to the upper clutch cover. The release rod is rotatably connected to the lower pressure plate through the linkage rod. It also includes a protective rod, which is circumferentially distributed on the outside of the lower pressure plate. The upper pressure plate is provided with a limiting part corresponding to the protective rod. The distance between the upper pressure plate and the lower pressure plate is controlled by the protective rod.

[0004] Using the above technical solution, the driven plate is used to connect the transmission rod, and the lower pressure plate is used to connect the flywheel. When the release rod is pressed down, the upper pressure plate and the lower pressure plate are squeezed together by the lever, so that the driven plate and the upper pressure plate are in close contact, thereby realizing power transmission. The lower pressure plate is provided with a protective rod for limiting the movement. When the release rod is pressed down too much, the bottom surface of the upper pressure plate abuts against the protective rod, so that the upper pressure plate cannot get closer to the lower pressure plate, preventing the diaphragm spring from being over-compressed, controlling the stroke of the diaphragm spring within a reasonable range, extending the durability of the clutch, improving the transmission efficiency, and having broad application prospects.

[0005] The present invention is further configured such that the limiting part is provided with a slot, the protective rod is provided in the slot, and the protective rod is provided with a nut and a cylindrical part on the upper and lower sides of the limiting part, respectively.

[0006] By adopting the above technical solution, the diameter of the protective rod is smaller than the width of the slot. During normal clutch transmission, the protective rod does not rub against the upper pressure plate, thus avoiding jerking and abnormal noise.

[0007] The present invention is further configured such that the protective rod is provided with a threaded part, the protective rod is threadedly connected to the lower pressure plate through the threaded part, and the protective rod is locked to the lower pressure plate by a nut.

[0008] Using the above technical solution, the protective rod is threaded into the threaded part. By rotating the protective rod and using a feeler gauge, the distance between the cylindrical part and the upper pressure plate can be adjusted. After adjustment, it is fixed and locked by a nut. The installation and operation are simple and convenient.

[0009] The present invention is further configured such that the upper pressure plate has three sets of circumferentially distributed limiting parts, and the lower pressure plate has three sets of protective rods corresponding to the limiting parts.

[0010] Using the above technical solution, the cylindrical surfaces of the three sets of protective rods form a virtual plane. When the upper pressure plate approaches the virtual plane, it simultaneously abuts against the protective rod, resulting in uniform force on the upper pressure plate.

[0011] The present invention is further configured such that the driven disc includes a hub, a transfer disc, an intermediate disc, and a friction plate, wherein the hub and the intermediate disc are riveted to the inner and outer sides of the transfer disc, respectively, and the friction plate is riveted to both sides of the intermediate disc.

[0012] Furthermore, the adapter plate is provided with circumferentially distributed opening slots.

[0013] The above technical solution involves installing a deformation-resistant adapter between the hub and the intermediate disc, reducing the deformation of the intermediate disc and preventing its deformation. This solution is suitable for large-diameter clutch structures.

[0014] The embodiments of this utility model will be further described below with reference to the accompanying drawings. Attached Figure Description

[0015] Figure 1 This is a top view of the present invention;

[0016] Figure 2 For the present utility model Figure 1 A rotated sectional view of the view in direction A;

[0017] Figure 3 For the present utility model Figure 1 A partial sectional view of the B-direction view;

[0018] Figure 4 For the present utility model Figure 1 A magnified view of the C-direction view;

[0019] Figure 5This is a cross-sectional view of the driven disk of this utility model;

[0020] Figure 6 This is a top view of the driven disk of this utility model;

[0021] Wherein: 1-Upper clutch cover, 2-Lower clutch cover, 3-Sleeve, 4-Diaphragm spring, 5-Upper pressure plate, 6-Driven plate, 7-Lower pressure plate, 8-Linkage rod, 9-Separation rod, 10-Protective rod, 11-Limiting part, 12-Slot, 13-Nut, 14-Cylindrical part, 15-Threaded part, 16-Nut, 17-Hub, 18-Adapter plate, 19-Intermediate plate, 20-Friction plate, 21-Opening slot; Detailed Implementation

[0022] like Figure 1-3 As shown, this utility model provides a pressure plate assembly for a durable clutch, including an upper clutch cover 1, a lower clutch cover 2, a bushing 3, a diaphragm spring 4, an upper pressure plate 5, a driven plate 6, a lower pressure plate 7, a linkage rod 8, a release rod 9, and a protection rod 10. The upper clutch cover 1 is connected to the lower clutch cover 2 via the bushing 3, and the upper clutch cover 1 is connected to the upper pressure plate 5 via the diaphragm spring 4. The driven plate 6 is provided between the upper pressure plate 5 and the lower clutch cover 2. The lower clutch cover 2 is connected to the lower pressure plate 7 via the diaphragm spring 4. The upper clutch cover 1 is rotatably connected to the release rod 9 for controlling the engagement and disengagement of the driven plate 6 and the upper pressure plate 5. The release rod 9 is rotatably connected to the lower pressure plate 7 via the linkage rod 8. The protection rod 10 is circumferentially distributed on the outside of the lower pressure plate 7. The upper pressure plate 5 is provided with a limiting part 11 corresponding to the protection rod 10, and the distance between the upper pressure plate 5 and the lower pressure plate 7 is controlled by the protection rod 10.

[0023] Combination Figure 4 As shown, in this embodiment, the limiting part 11 is provided with a slot 12, and the protective rod 10 is provided in the slot 12. The upper and lower sides of the limiting part 11 are respectively provided with a nut 13 and a cylindrical part 14. The diameter of the protective rod 10 is smaller than the width of the slot 12. During normal clutch transmission, the protective rod 10 does not rub against the upper pressure plate 5. The protective rod 10 is provided with a threaded part 15. The protective rod 10 is threaded to the lower pressure plate 7 through the threaded part 15, and the protective rod 10 is locked to the lower pressure plate 7 by a nut 16. The protective rod 10 is threaded in the threaded part 15. The distance between the cylindrical part 14 and the upper pressure plate 5 is adjusted by rotating the protective rod 10 and using a feeler gauge. After adjustment, it is fixed and locked by the nut 16.

[0024] In this embodiment, the upper pressure plate 5 is provided with three sets of circumferentially distributed limiting parts 11, and the lower pressure plate 7 is provided with three sets of protective rods 10 corresponding to the limiting parts 11. The cylindrical part 14 surfaces of the three sets of protective rods 10 form a virtual plane. When the upper pressure plate 5 approaches the virtual plane, the upper pressure plate 5 simultaneously abuts against the protective rods 10, so that the upper pressure plate 5 is subjected to uniform force.

[0025] Combination Figure 5 , 6 As shown, in this embodiment, the driven disc 6 includes a hub 17, a transfer disc 18, an intermediate disc 19, and a friction plate 20. The hub 17 and the intermediate disc 19 are riveted to the inner and outer sides of the transfer disc 18, respectively. The friction plate 20 is riveted to both sides of the intermediate disc 19. The transfer disc 18 is provided with circumferentially distributed opening slots 21. The transfer disc 18 for deformation is installed between the hub 17 and the intermediate disc 19 to reduce the deformation of the intermediate disc 19 and prevent the intermediate disc 19 from deforming. This is suitable for large-diameter clutch structures.

[0026] The working principle of this utility model is as follows: the driven plate 6 is used to connect the transmission rod of the gearbox, and the lower pressure plate 7 is used to connect the flywheel of the electric motor or internal combustion engine. When the release rod 9 is pressed down, the upper pressure plate 5 and the lower pressure plate 7 are squeezed together by the lever, so that the driven plate 6 and the upper pressure plate 5 are in close contact, thereby realizing power transmission. The lower pressure plate 7 is provided with a protective rod 10 for limiting the movement. When the release rod 9 is pressed down too much, the bottom surface of the upper pressure plate 5 abuts against the protective rod 10, so that the upper pressure plate 5 cannot get closer to the lower pressure plate 7, preventing the diaphragm spring 4 from being over-compressed and controlling the stroke of the diaphragm spring 4 within a reasonable range. In addition, the protective rod 10 is provided with a heightening pad on the side near the flywheel to prevent the protective rod 10 from pressing down and damaging the flywheel, thus extending the service life of the clutch.

[0027] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A pressure plate assembly of a durable clutch, comprising an upper clutch cover (1), a lower clutch cover (2), a shaft sleeve (3), a diaphragm spring (4), an upper pressure plate (5), a driven plate (6), a lower pressure plate (7), a linkage rod (8) and a separation rod (9), the upper clutch cover (1) is connected to the lower clutch cover (2) through the shaft sleeve (3), and the upper clutch cover (1) is connected with the upper pressure plate (5) through the diaphragm spring (4), and the upper pressure plate (5) is provided with the driven plate (6) between the upper pressure plate (5) and the lower clutch cover (2), the lower clutch cover (2) is connected with the lower pressure plate (7) through the diaphragm spring (4), the upper clutch cover (1) is rotatably connected with the separation rod (9) for controlling the clutch of the driven plate (6) and the upper pressure plate (5), and the separation rod (9) is rotatably connected with the lower pressure plate (7) through the linkage rod (8), characterized in that, The protection rod (10) is circumferentially distributed outside the lower pressing disc (7), and the upper pressing disc (5) is provided with a limiting part (11) corresponding to the protection rod (10), so that the distance between the upper pressing disc (5) and the lower pressing disc (7) is controlled by the protection rod (10).

2. A wear pack assembly for a multiple disc clutch, as described in claim 1, wherein: The limiting part (11) is provided with a clamping groove (12), the protection rod (10) is arranged in the clamping groove (12), and the protection rod (10) is provided with a nut (13) and a cylindrical part (14) on the upper and lower sides of the limiting part (11) respectively.

3. A wear pack assembly for a multiple disc clutch, as described in claim 2, wherein: The protection rod (10) is provided with a threaded part (15), the protection rod (10) is screwed to the lower pressing disc (7) through the threaded part (15), and the protection rod (10) is locked to the lower pressing disc (7) through a nut.

4. A wear pack assembly for a multiple disc clutch, as set forth in claim 3, wherein: The upper pressing disc (5) is provided with three groups of circumferentially distributed limiting parts (11), and the lower pressing disc (7) is provided with three groups of protection rods (10) corresponding to the limiting parts (11).

5. A wear pack assembly for a multiple disc clutch, as described in claim 1, wherein: The driven disc (6) comprises a disc hub (17), a transfer disc (18), an intermediate disc (19) and a friction plate (20), the inner and outer sides of the transfer disc (18) are respectively riveted with the disc hub (17) and the intermediate disc (19), and the friction plate (20) is riveted on both sides of the intermediate disc (19).

6. A wear pack assembly for a multiple disc clutch, as set forth in claim 5, wherein: The transfer disc (18) is provided with circumferentially distributed open grooves (21).

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