Self-adjusting clutch capable of being used for compensating abrasion

Abstract

The utility model discloses a self-adjusting clutch capable of being used for compensating abrasion. The self-adjusting clutch comprises a clutch shell, a compensating plate, a diaphragm spring and a pressing disc. A plurality of inclined blocks are circumferentially distributed at the end, facing the clutch shell, of the compensation plate at equal intervals, a plurality of corresponding inclined grooves are formed in the end, facing the compensation plate, of the clutch shell, and the inclined blocks abut against the inclined grooves. Wherein the compensating plate can rotate around the axis of the compensating plate by pushing the spring, so that the position of the pressure plate is adjusted; according to the utility model, through the arrangement of the compensating plate, when the pressure plate is worn to a certain degree, the compensating plate is pushed to rotate clockwise around the axis of the compensating plate under the action of the elastic force of the pushing spring, so that the diaphragm spring and the pressure plate are pushed to integrally slide towards the direction of an external flywheel, and the compensating effect is achieved; and through the arrangement of the fixing structure, the damaged separation finger can be conveniently and independently replaced, so that the maintenance cost of the diaphragm spring is reduced, and the economic burden of a user is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of clutches, in particular to a self-adjusting clutch which can be used to compensate for wear. Background Art

[0002] The clutch works by using a pressure plate to separate or engage the driven plate and flywheel, connecting and disconnecting the engine and transmission. When the driver depresses the clutch pedal, the pressure plate no longer applies pressure to the driven plate, and the friction between the driven plate and flywheel disappears. The engine speed and the transmission input shaft's speed are now decoupled, and the vehicle is in neutral. When the driver releases the clutch pedal, the pressure plate reapplies pressure to the driven plate, generating friction between the driven plate and flywheel, transferring engine power to the transmission input shaft and enabling the vehicle to move normally.

[0003] For example, the Chinese utility model patent application number CN219932783U discloses an automatic clutch that detects the speed of a spline shaft through a speed sensor. When the speed reaches a set speed, an electric telescopic rod extends to squeeze a leaf spring. The leaf spring is stressed in the middle, causing its two sides to tilt, thereby driving the pressure plate outward, causing the pressure plate to leave the driven plate and automatically disengage the clutch. When the gearbox is switched, the electric telescopic rod retracts to reset the pressure plate, realizing the automatic shifting function. However, this structure still has the following significant defects:

[0004] 1. During the use of the clutch pressure plate, the thickness of the pressure plate often decreases due to friction, which makes the contact force between the driven plate and the flywheel surface relatively small, and the friction force is also very small, which makes it easy to slip;

[0005] 2. The existing clutch diaphragm spring is an integral structure. After a period of use, the diaphragm spring will be damaged and need to be replaced as a whole, which greatly increases the maintenance cost and increases the financial burden on users. Summary of the Invention

[0006] The utility model aims to solve one of the technical problems existing in the prior art.

[0007] The present application provides a self-adjusting clutch for compensating for wear, comprising a clutch housing, a compensation plate, a diaphragm spring, and a pressure plate; a plurality of angular blocks are circumferentially distributed at equal intervals on one end of the compensation plate facing the clutch housing, and a plurality of corresponding angular grooves are provided on the other end of the clutch housing facing the compensation plate, wherein the angular blocks abut against the angular grooves;

[0008] The compensation plate can rotate around its axis by pushing the spring, thereby adjusting the position of the pressure plate.

[0009] Furthermore, a plurality of push blocks are distributed circumferentially at equal intervals on one end of the compensation plate facing the clutch housing, a movable groove is provided on the clutch housing, and the push blocks are installed in the movable groove;

[0010] Among them, a No. 1 clamping part is provided on the movable groove, a No. 2 clamping part is provided on the pushing block, and the two ends of the pushing spring are respectively clamped on the No. 1 clamping part and the No. 2 clamping part, and the pushing spring is in a compressed state.

[0011] Furthermore, a tooth block is provided on the end surface of the inclined block abutting against the inclined groove, and a tooth groove is provided on the end surface of the inclined groove abutting against the inclined block.

[0012] Furthermore, a plurality of limit blocks are circumferentially distributed at equal intervals on one end of the compensation plate facing the clutch housing, a limit slot is provided on the clutch housing, and the limit blocks are installed in the limit slot.

[0013] Furthermore, the diaphragm spring includes a mounting ring, an outer peripheral wall of the mounting ring is fixedly connected to a mounting side wall, and a plurality of separation fingers are mounted on the mounting ring and the mounting side wall via a fixing structure.

[0014] Furthermore, the fixing structure includes a plurality of mounting holes, and the mounting ring is provided with a plurality of mounting holes at equal intervals around the circumference, each of the mounting holes is provided with a separation finger, and the mounting side wall is provided with a fixing block via a connecting thread, and the bottom surface of the fixing block abuts against the top surface of the mounting ring and the separation finger respectively;

[0015] Wherein, the mounting side wall fixes the fixing block via a limiting structure.

[0016] Furthermore, the limiting structure includes a mounting groove, and the top of the fixed block is provided with four mounting grooves at equal intervals. The mounting grooves are each provided with a locking block rotatably mounted on a rotating shaft, and the top of the mounting side wall is provided with four locking grooves at equal intervals.

[0017] Wherein, the locking block is clamped in the locking groove through a clamping structure.

[0018] Furthermore, the snap-fit ​​structure includes an installation cavity, and an installation cavity is provided on both sides of the four locking grooves. A snap-fit ​​ball is connected to the installation cavity through a spring, and a snap-fit ​​groove is provided at both ends of the four locking blocks, and the snap-fit ​​ball abuts against the snap-fit ​​groove.

[0019] Furthermore, indicator marks are provided on the top of the fixing block and the top of the installation side wall.

[0020] The beneficial effects of the utility model are as follows:

[0021] 1. Through the setting of the compensation plate, when the pressure plate wears to a certain extent, under the action of the elastic force of the push spring, the compensation plate is pushed to rotate clockwise around its axis, thereby pushing the diaphragm spring and the pressure plate as a whole to slide toward the external flywheel, playing a compensation role;

[0022] 2. Through the setting of the fixed structure, it is convenient to replace the damaged separation finger separately, thereby reducing the maintenance cost of the diaphragm spring and reducing the economic burden of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of a self-adjusting clutch that can be used to compensate for wear in an embodiment of the present application;

[0024] Figure 2 An exploded view of a self-adjusting clutch that can be used to compensate for wear in an embodiment of the present application;

[0025] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure in the AA direction;

[0026] Figure 4 This is a schematic diagram of the structure of the compensation sheet in the embodiment of the present application;

[0027] Figure 5 This is a schematic structural diagram of the clutch housing in an embodiment of the present application;

[0028] Figure 6 This is a schematic structural diagram of the diaphragm spring in an embodiment of the present application;

[0029] Figure 7 This is an exploded view of the diaphragm spring in the embodiment of the present application;

[0030] Figure 8 for Figure 6 Schematic diagram of the cross-sectional structure in the middle BB direction;

[0031] Figure 9 for Figure 6 Schematic diagram of the cross-sectional structure in the CC direction.

[0032] Reference numerals

[0033] 1-clutch housing, 11-oblique groove, 12-movable groove, 13-No. 1 clamping part, 14-tooth groove, 15-limiting groove, 2-compensation plate, 21-oblique block, 23-pushing block, 24-pushing spring, 25-No. 2 clamping part, 26-tooth block, 27-limiting block, 3-diaphragm spring, 31-mounting ring, 32-mounting side wall, 33-separation finger, 4-pressure plate, 5-fixing structure, 51-mounting hole, 52-connecting thread, 53-fixing block, 7-limiting structure, 71-mounting groove, 73-locking block, 74-locking groove, 8-clamping structure, 81-mounting cavity, 82-spring, 83-clamping ball, 84-clamping groove, 9-indicator. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0035] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0036] In the following, in conjunction with the accompanying drawings, a self-adjusting clutch that can be used to compensate for wear provided by an embodiment of the present application is described in detail through specific embodiments and application scenarios.

[0037] Example 1:

[0038] like Figures 1 to 5 As shown, an embodiment of the present application provides a self-adjusting clutch that can be used to compensate for wear, including a clutch housing 1, a compensation plate 2, a diaphragm spring 3, and a pressure plate 4; the compensation plate 2 has a plurality of equally spaced circumferentially distributed bevel blocks 21 on one end facing the clutch housing 1, and the clutch housing 1 has a plurality of corresponding bevel grooves 11 on one end facing the compensation plate 2, and the bevel blocks 21 abut against the bevel grooves 11; wherein, the compensation plate 2 can rotate around its axis by pushing the spring 24, thereby adjusting the position of the pressure plate 4.

[0039] Furthermore, a plurality of push blocks 23 are equidistantly distributed circumferentially on one end of the compensation plate 2 facing the clutch housing 1, and a movable groove 12 is provided on the clutch housing 1, and the push blocks 23 are installed in the movable groove 12; wherein, a No. 1 clamping portion 13 is provided on the movable groove 12, and a No. 2 clamping portion 25 is provided on the push block 23, and both ends of the push spring 24 are respectively clamped on the No. 1 clamping portion 13 and the No. 2 clamping portion 25, and the push spring 24 is in a compressed state.

[0040] Furthermore, a tooth block 26 is provided on the end surface of the inclined block 21 abutting against the inclined groove 11 , and a tooth groove 14 is provided on the end surface of the inclined groove 11 abutting against the inclined block 21 .

[0041] Furthermore, a plurality of limit blocks 27 are equidistantly distributed circumferentially on one end of the compensation plate 2 facing the clutch housing 1 . A limit slot 15 is provided on the clutch housing 1 , and the limit blocks 27 are installed in the limit slot 15 .

[0042] In this embodiment of the present application, due to the adoption of the above-mentioned structure, when the pressure plate 4 has not been worn, the two ends of the pressure plate 4 are respectively in contact with the external driven plate and the diaphragm spring 3, and the pressure plate 4 will apply pressure to the external driven plate, so that the external driven plate and the external flywheel generate friction, and the external driven plate rotates with the external flywheel, thereby realizing power transmission. When the pressure plate 4 is worn to a certain extent, a gap is generated between the pressure plate 4 and the external driven wheel. Under the elastic force of the push spring 24, the compensation plate 2 is pushed to rotate clockwise around its axis, thereby pushing the diaphragm spring 3 and the pressure plate 4 to slide as a whole toward the direction of the external flywheel, thereby playing a compensation role.

[0043] The fit between the tooth block 26 and the tooth groove 14 ensures the tightness and stability of the contact between the compensation plate 2 and the clutch housing 1, so that the clutch maintains a relatively fixed positional relationship inside during operation, ensuring the normal operation of the clutch.

[0044] During the rotation of the clutch housing 1 , the limiting block 27 and the pushing block 23 drive the compensation plate 2 to rotate together, thereby extending the service life of the spring 24 and preventing the inclined block 21 from being separated from the inclined slot 11 .

[0045] Example 2:

[0046] like Figures 6 to 9 As shown, in this embodiment, in addition to the structural features of the aforementioned embodiments, the diaphragm spring 3 includes a mounting ring 31, and a mounting side wall 32 is fixedly connected to the outer peripheral wall of the mounting ring 31. The mounting ring 31 and the mounting side wall 32 are equipped with a plurality of separation fingers 33 through a fixing structure 5.

[0047] Furthermore, the fixing structure 5 includes a plurality of mounting holes 51, and the mounting ring 31 is provided with a plurality of mounting holes 51 at equal intervals on the circumference thereof. Separation fingers 33 are installed in each of the mounting holes 51, and the mounting side wall 32 is provided with a fixing block 53 through a connecting thread 52, and the bottom surface of the fixing block 53 is respectively in contact with the top surface of the mounting ring 31 and the separation finger 33; wherein, the mounting side wall 32 fixes the fixing block 53 through a limiting structure 7.

[0048] Furthermore, the limiting structure 7 includes an installation groove 71, and four installation grooves 71 are arranged at equal intervals on the circumference of the top of the fixed block 53. The installation grooves 71 are each installed with a locking block 73 by rotating the rotating shaft, and four locking grooves 74 are arranged at equal intervals on the circumference of the top of the installation side wall 32; wherein, the locking block 73 is clamped in the locking groove 74 through the clamping structure 8.

[0049] Furthermore, the snap-fit ​​structure 8 includes an installation cavity 81, and an installation cavity 81 is provided on both sides of the four locking grooves 74. A snap-fit ​​ball 83 is connected to the installation cavity 81 through a spring 82, and a snap-fit ​​groove 84 is provided at both ends of the four locking blocks 73, and the snap-fit ​​ball 83 abuts against the snap-fit ​​groove 84.

[0050] Furthermore, indicator marks 9 are provided on the top of the fixing block 53 and the top of the installation side wall 32 .

[0051] When any of the separation fingers 33 is damaged, the four locking blocks 73 can be pushed upwards, and the locking blocks 73 rotate around the rotating shaft, so that the locking blocks 73 are disengaged from the locking grooves 74. At this time, the fixing block 53 can be rotated to remove the fixing block 53 from the cavity formed by the mounting ring 31 and the mounting side wall 32. At this time, the damaged separation finger 33 can be removed from the mounting hole 51 and replaced. After the replacement is completed, the fixing block 53 is rotated until the bottom end of the fixing block 53 abuts against the mounting ring 31 and the top surface of the separation finger 33, so that the separation finger 33 is reinstalled. There is no need to replace all the separation fingers 33, which reduces maintenance costs.

[0052] Before the fixing block 53 is installed in the cavity formed by the mounting ring 31 and the mounting side wall 32 through the connecting thread 52, the indicator mark 9 at the top of the fixing block 53 can be aligned with the indicator mark 9 at the top of the mounting side wall 32. When the fixing block 53 is rotated to the bottom, the four mounting grooves 71 just correspond to the four locking grooves 74. By pressing the locking block 73 downward, the locking block 73 will be engaged in the locking groove 74, thereby limiting the fixing block 53 and preventing the fixing block 53 from rotating.

[0053] When locking block 73 is pressed downward, the latching balls 83 on both sides will slide toward the connected springs 82 and squeeze the springs 82 until the bottom end of locking block 73 fits into the locking groove 74. Under the action of the elastic force of the spring 82, the latching balls 83 will be pushed into the latching groove 84, thereby limiting the locking block 73 and preventing the locking block 73 from accidentally disengaging from the locking groove 74.

[0054] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0055] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A self-adjusting clutch for compensating wear, comprising a clutch housing (1), a compensation plate (2), a diaphragm spring (3), and a pressure plate (4), characterized in that: A plurality of inclined blocks (21) are equidistantly distributed around the circumference of one end of the compensation plate (2) facing the clutch housing (1), and a plurality of corresponding inclined grooves (11) are provided on one end of the clutch housing (1) facing the compensation plate (2), wherein the inclined blocks (21) abut against the inclined grooves (11); The compensating plate (2) can be rotated about its axis by pushing the spring (24), thereby adjusting the position of the pressure plate (4).

2. A self-adjusting clutch for compensating wear according to claim 1, characterized in that: A plurality of push blocks (23) are circumferentially distributed at equal intervals on one end of the compensation plate (2) facing the clutch housing (1); a movable groove (12) is provided on the clutch housing (1), and the push blocks (23) are installed in the movable groove (12); The movable groove (12) is provided with a first clamping portion (13), the pushing block (23) is provided with a second clamping portion (25), and both ends of the pushing spring (24) are respectively clamped on the first clamping portion (13) and the second clamping portion (25), and the pushing spring (24) is in a compressed state.

3. A self-adjusting clutch for compensating wear according to claim 1, characterized in that: The inclined block (21) is provided with a tooth block (26) on the end surface of the inclined groove (11), and the inclined groove (11) is provided with a tooth groove (14) on the end surface of the inclined block (21).

4. A self-adjusting clutch for compensating wear according to claim 1, characterized in that: A plurality of limit blocks (27) are circumferentially distributed at equal intervals on one end of the compensation plate (2) facing the clutch housing (1); a limit slot (15) is provided on the clutch housing (1); and the limit blocks (27) are installed in the limit slot (15).

5. A self-adjusting clutch for compensating wear according to claim 1, characterized in that: The diaphragm spring (3) comprises a mounting ring (31), an outer peripheral wall of the mounting ring (31) is fixedly connected to a mounting side wall (32), and a plurality of separation fingers (33) are mounted on the mounting ring (31) and the mounting side wall (32) via a fixing structure (5).

6. A self-adjusting clutch for compensating wear according to claim 5, characterized in that: The fixing structure (5) includes a plurality of mounting holes (51), the mounting ring (31) is provided with a plurality of mounting holes (51) at equal intervals on the circumference, the mounting holes (51) are each provided with a separation finger (33), the mounting side wall (32) is provided with a fixing block (53) via a connecting thread (52), and the bottom surface of the fixing block (53) is respectively in contact with the top surface of the mounting ring (31) and the top surface of the separation finger (33); The mounting side wall (32) fixes the fixing block (53) via a limiting structure (7).

7. A self-adjusting clutch for compensating wear according to claim 6, characterized in that: The limiting structure (7) includes a mounting groove (71), and the top of the fixed block (53) is provided with four mounting grooves (71) at equal intervals. The mounting grooves (71) are each provided with a locking block (73) by rotating the rotating shaft. The top of the mounting side wall (32) is provided with four locking grooves (74) at equal intervals. The locking block (73) is clamped in the locking groove (74) via a clamping structure (8).

8. A self-adjusting clutch for compensating wear according to claim 7, characterized in that: The clamping structure (8) comprises a mounting cavity (81), and mounting cavities (81) are provided on both sides of the four locking grooves (74). A clamping ball (83) is connected to the mounting cavity (81) via a spring (82). Both ends of the four locking blocks (73) are provided with a clamping groove (84), and the clamping ball (83) abuts against the clamping groove (84).

9. A self-adjusting clutch for compensating wear according to claim 6, characterized in that: Indicator marks (9) are provided at the top of the fixing block (53) and the top of the mounting side wall (32).

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