Compact long-life clutch

Abstract

A first convex ring is arranged on the bottom surface of a diaphragm spring, a first supporting ring is clamped in the first convex ring, a plurality of first positioning convex points are arrayed on the top surface of the diaphragm spring, each first positioning convex point is arranged corresponding to the position of the first supporting ring, a second convex ring is arranged at the bottom of a flanging structure of a clutch cover, and the second convex ring is arranged on the top surface of the diaphragm spring. A plurality of second positioning concave holes corresponding to the positions of the first positioning convex points are formed in the flanging structure on the inner side of the second convex ring, a plurality of second positioning convex points corresponding to the second positioning concave holes are arranged on the top surface of the second supporting ring, and a plurality of first positioning concave holes corresponding to the first positioning convex points are formed in the bottom surface of the second supporting ring; the diaphragm spring and the clutch cover are convenient to assemble, the first supporting ring and the second supporting ring are not prone to uneven stress and not prone to displacement, the strength of the stress positions of the flange structures of the diaphragm spring and the clutch cover is improved, and the service life of the whole clutch is prolonged.

Description

Technical Field

[0001] The utility model relates to a compact long-life clutch. Background Art

[0002] The compact clutch pressure cover assembly in the prior art generally includes a clutch cover, a diaphragm spring, a pressure plate, multiple transmission plates, two support rings and multiple support pins; wherein, the two support rings are respectively arranged on the top surface and the bottom surface of the diaphragm spring, and the diaphragm spring and the two support rings are fixed to the bottom of the flange structure of the clutch cover by support pins; when assembling the pressure cover assembly of this structure, it is necessary to align the mounting holes on the flap structure and the diaphragm spring, otherwise the support pins cannot connect and fix the two, and the displacement of the two support rings must also be considered during the installation and fixing process, which makes the assembly more inconvenient; in addition, the support ring of this structure is positioned only by the inner circumference abutting against the support pin, and after a long period of use, it is easy to cause deformation and damage due to uneven force, and its service life is not ideal. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies of the prior art and provide a compact clutch which is easy to assemble and has a long service life.

[0004] The technical scheme of the utility model is: a compact long-life clutch, comprising a clutch cover, a diaphragm spring, a pressure plate and a transmission plate, a support ring and a support pin are arranged between the clutch cover and the diaphragm spring, the support ring comprises a first support ring and a second support ring, a plurality of mounting holes are arranged in an array on the diaphragm spring, a first convex ring corresponding to the first supporting ring is arranged on the bottom surface of the diaphragm spring at the periphery of each mounting hole, the first supporting ring is clamped in the first convex ring, a plurality of first positioning convex points are arranged in an array on the top surface of the diaphragm spring, and each of the first positioning convex points is arranged corresponding to the position of the first supporting ring;

[0005] The flange structure of the clutch cover also has a mounting hole, the bottom of the flange structure of the clutch cover has a second convex ring corresponding to the second support ring, and the flange structure inside the second convex ring has a plurality of second positioning concave holes corresponding to the positions of the first positioning convex points;

[0006] The top surface of the second support ring has a plurality of second positioning protrusions corresponding to the second positioning recessed holes, the bottom surface of the second support ring has a plurality of first positioning recessed holes corresponding to the first positioning protrusions, and the second support ring is inserted into the second convex ring.

[0007] Furthermore, a plurality of blocks are arrayed on the outer circumferences of the first supporting ring and the second supporting ring, respectively, and the inner circumferences of the first convex ring and the second convex ring respectively have snap-fits corresponding to the blocks, and each of the blocks is snap-fitted with the corresponding snap-fits.

[0008] Specifically, the inner and outer diameters of the first convex ring and the second convex ring are consistent.

[0009] Specifically, the cross-sections of the first convex ring and the second convex ring are both trapezoidal.

[0010] Preferably, the diaphragm spring and the clutch cover have six mounting holes on their flange structures respectively.

[0011] Specifically, the inner circumference array of the diaphragm spring has twelve openings, and one end of each opening away from the center of the diaphragm spring is in the shape of a circular hole, and six of the ends of each circular hole-shaped opening form mounting holes.

[0012] The beneficial effects of the utility model are as follows: the diaphragm spring and the clutch cover have a first convex ring and a second convex ring on their flange structures respectively. When assembling them, it is only necessary to insert the first supporting ring and the second supporting ring into the first convex ring and the second convex ring respectively, and then place the diaphragm spring into the bottom of the flange structure of the clutch cover, so that the corresponding first positioning convex points and the first concave holes, the first positioning convex points and the second positioning concave holes are matched, and the alignment of the mounting holes and the mounting holes can be easily completed, so that the supporting pin can facilitate the installation and fixation of the spring diaphragm, the clutch cover, the first supporting ring and the second supporting ring; in addition, the arrangement of the first convex ring and the second convex ring cooperates with the supporting pin to limit the inner and outer peripheries of the first supporting ring and the second supporting ring at the same time, so that the first supporting ring and the second supporting ring are not easily subjected to uneven force and are not easily displaced, and the strength of the force-bearing part of the flange structure of the diaphragm spring and the clutch cover is improved, which is beneficial to improving the service life of the entire clutch. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional view of the utility model;

[0014] Figure 2 yes Figure 1 Enlarged view of part A in the middle;

[0015] Figure 3 It is a structural schematic diagram of the diaphragm spring in the utility model.

[0016] In the figure: clutch cover 1, diaphragm spring 2, pressure plate 3, transmission plate 4, support pin 5, first support ring 6, second support ring 7, first convex ring 8, first positioning protrusion 9, flanging structure 10, second convex ring 12, second positioning recessed hole 13, second positioning protrusion 14, first positioning recessed hole 15, block 16, opening 17. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0018] Combination Figure 1-3As shown, the compact long-life clutch comprises a clutch cover 1, a diaphragm spring 2, a pressure plate 3 and a transmission plate 4. A support ring and a support pin 5 are provided between the clutch cover 1 and the diaphragm spring 2. The support ring comprises a first support ring 6 and a second support ring 7.

[0019] The diaphragm spring 2 is provided with a plurality of mounting holes in an array, and the bottom surface of the diaphragm spring 2 outside each mounting hole is provided with a first convex ring 8 corresponding to the first supporting ring 6, and the first supporting ring 6 is inserted into the first convex ring 8, and the top surface of the diaphragm spring 2 is provided with a plurality of first positioning convex points 9 in an array, and each of the first positioning convex points 9 is arranged corresponding to the position of the first supporting ring 6;

[0020] The flange structure 10 of the clutch cover 1 also has a mounting hole, and the bottom of the flange structure 10 of the clutch cover 1 has a second convex ring 12 corresponding to the second support ring 7, and the flange structure 10 inside the second convex ring 12 has a plurality of second positioning recessed holes 13 corresponding to the positions of the first positioning protrusions 9;

[0021] The top surface of the second support ring 7 has a plurality of second positioning protrusions 14 corresponding to the second positioning recessed holes 13 , and the bottom surface of the second support ring 7 has a plurality of first positioning recessed holes 15 corresponding to the first positioning protrusions 9 . The second support ring 7 is inserted into the second convex ring 12 .

[0022] In the above structure, the diaphragm spring 2 and the flange structure 10 of the clutch cover 1 are respectively provided with a first convex ring 8 and a second convex ring 12. When assembling them, it is only necessary to insert the first support ring 6 and the second support ring 7 into the first convex ring 8 and the second convex ring 12 respectively, and then place the diaphragm spring 2 into the bottom of the flange structure 10 of the clutch cover 1, so that the corresponding first positioning protrusions 9 and the first concave holes, the first positioning protrusions 9 and the second positioning concave holes 13 match each other, and the alignment of the mounting holes and the mounting holes can be easily completed, so that the support pin 5 is convenient for the installation and fixation of the spring diaphragm, the clutch cover 1, the first support ring 6 and the second support ring 7; in addition, the arrangement of the first convex ring 8 and the second convex ring 12 cooperates with the support pin 5 to limit the inner and outer peripheries of the first support ring 6 and the second support ring 7 at the same time, so that the first support ring 6 and the second support ring 7 are not easily subjected to uneven force and are not easily displaced, and the strength of the force-bearing part of the flange structure 10 of the diaphragm spring 2 and the clutch cover 1 is also improved, which is conducive to improving the service life of the entire clutch.

[0023] In another embodiment, in combination Figure 3 As shown, the outer circumferences of the first support ring 6 and the second support ring 7 are respectively arrayed with a plurality of blocks 16, and the inner circumferences of the first convex ring 8 and the second convex ring 12 are respectively provided with snap-fits corresponding to the blocks 16, and each of the blocks 16 is snap-fitted with the corresponding snap-fits.

[0024] Specifically, the inner and outer diameters of the first convex ring 8 and the second convex ring 12 are consistent.

[0025] Specifically, Figure 2 As shown, the cross-sections of the first convex ring 8 and the second convex ring 12 are both trapezoidal.

[0026] Preferably, combined Figure 3 As shown, the diaphragm spring 2 and the flange structure 10 of the clutch cover 1 each have six mounting holes.

[0027] In another embodiment, if Figure 3 As shown, the inner circumference array of the diaphragm spring 2 has twelve openings 17, and one end of each opening 17 away from the center of the diaphragm spring 2 is in the shape of a circular hole, and six of the ends of each circular hole-shaped opening 17 form mounting holes.

Claims

1. A compact long-life clutch, comprising a clutch cover (1), a diaphragm spring (2), a pressure plate (3) and a transmission plate (4), wherein a support ring and a support pin (5) are provided between the clutch cover (1) and the diaphragm spring (2), wherein the support ring comprises a first support ring (6) and a second support ring (7), and a plurality of mounting holes are arranged on the diaphragm spring (2), wherein: The bottom surface of the diaphragm spring (2) at the periphery of each mounting hole is provided with a first convex ring (8) corresponding to the first supporting ring (6), the first supporting ring (6) is inserted into the first convex ring (8), and the top surface of the diaphragm spring (2) is provided with a plurality of first positioning convex points (9) in an array, each of the first positioning convex points (9) being arranged corresponding to the position of the first supporting ring (6); The flange structure (10) of the clutch cover (1) also has a mounting hole, the bottom of the flange structure (10) of the clutch cover (1) has a second convex ring (12) corresponding to the second support ring (7), and the flange structure (10) inside the second convex ring (12) has a plurality of second positioning recessed holes (13) corresponding to the positions of the first positioning convex points (9); The top surface of the second support ring (7) has a plurality of second positioning protrusions (14) corresponding to the second positioning recessed holes (13), and the bottom surface of the second support ring (7) has a plurality of first positioning recessed holes (15) corresponding to the first positioning protrusions (9), and the second support ring (7) is inserted into the second convex ring (12).

2. The compact and long-life clutch according to claim 1, characterized in that: The outer circumferences of the first supporting ring (6) and the second supporting ring (7) are respectively arrayed with a plurality of clamping blocks (16); the inner circumferences of the first convex ring (8) and the second convex ring (12) are respectively provided with clamping ports corresponding to the clamping blocks (16); and each of the clamping blocks (16) is clamped with the corresponding clamping port.

3. The compact and long-life clutch according to claim 2, characterized in that: The inner and outer diameters of the first convex ring (8) and the second convex ring (12) are consistent.

4. The compact and long-life clutch according to claim 3, characterized in that: The cross-sections of the first convex ring (8) and the second convex ring (12) are both trapezoidal.

5. The compact and long-life clutch according to claim 4, characterized in that: The diaphragm spring (2) and the flange structure (10) of the clutch cover (1) are respectively provided with six mounting holes.

6. The compact and long-life clutch according to claim 5, characterized in that: The inner circumference array of the diaphragm spring (2) has twelve openings (17), one end of each opening (17) away from the center of the diaphragm spring (2) is in the shape of a circular hole, and six of the ends of each circular hole-shaped opening (17) form mounting holes.

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