Clutch assembly

Abstract

The clutch assembly comprises a clutch body and a pushing frame and further comprises a buffering part, the buffering part comprises a connecting piece, a plurality of containing grooves are formed in the connecting piece, a plurality of sliding grooves are formed in the left end of the buffering part, and buffering plates are slidably connected into the sliding grooves; the left end of the buffer plate extends out of the sliding groove and is rotationally connected with a buffer wheel through a torsion spring, the reset part comprises a sliding groove formed in the left side wall of the connecting piece, a moving plate is slidably connected into the sliding groove, and the left end of the moving plate extends out of the sliding groove and is rotationally connected with a trigger wheel. The rotating speed of the connecting piece is gradually close to the rotating speed of the diaphragm spring, when the connecting piece makes contact with the diaphragm spring, friction force can be further reduced, abrasion to the diaphragm spring is reduced, and the service life of the diaphragm spring is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of clutches, and more particularly to a clutch assembly. Background Art

[0002] The clutch assembly is a key component in the automobile transmission system. It is mainly composed of a clutch pressure plate, clutch plate, diaphragm spring, clutch cover, release bearing, return spring, clutch pedal and operating mechanism. The main function of the clutch assembly is to ensure smooth starting of the car and enable the driver to control the power transmission between the engine and the gearbox. The clutch assembly plays a vital role in the power transmission process of the car.

[0003] For example, a Chinese patent document with application number CN202010140090.X discloses a clutch assembly, including a driving shaft; a flywheel is fixedly connected to one end of the driving shaft, and a clutch cover is fixedly connected to the end of the flywheel away from the driving shaft; a clutch plate, a pressure plate and a diaphragm spring are arranged in sequence in the cavity between the clutch cover and the flywheel; a sliding hole is provided in the clutch cover, the axis of the sliding hole forms an angle of 45° with the cross section of the inner wall of the clutch cover, a sliding column is slidably connected in the sliding hole, a No. 1 hole is provided in the sliding column along the axis direction of the sliding column, and a No. 2 hole connected to the No. 1 hole is provided at the bottom of the No. 1 hole along the diameter direction of the sliding column cross section; an air storage chamber is provided in the clutch cover on one side of the sliding hole, and the air storage chamber is connected to the bottom of the sliding hole through a pipeline and a one-way valve; the air storage chamber is connected to the middle of the sliding hole through the No. 3 hole; the present invention generates compressed gas by squeezing the sliding hole under the action of centrifugal force through the sliding column and spraying it to the clutch plate, thereby reducing the temperature of the clutch plate and increasing the transmission efficiency of the clutch plate and the flywheel.

[0004] This invention can reduce the temperature of the clutch plate, thereby extending the service life of the clutch plate. However, the diaphragm spring in the clutch assembly is also a vulnerable part. Every time the release bearing contacts the high-speed rotating diaphragm spring, it will generate huge instantaneous friction, causing wear to the diaphragm spring. The diaphragm spring wear depth limit is 0.6mm, and the width limit is 5.0mm. When the wear limit is exceeded, the diaphragm spring needs to be replaced. The diaphragm spring is located inside the clutch assembly, and the replacement cost is high. The replacement operation is cumbersome, time-consuming and labor-intensive. Summary of the invention

[0005] In order to overcome the above defects of the prior art, the present invention provides a clutch assembly to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: it includes a clutch body and a pushing frame, and also includes: a buffer part, the buffer part includes a connecting member arranged on the pushing frame, a plurality of accommodating grooves are opened in the connecting member, a sliding groove is opened on the left side wall of the accommodating groove, a buffer plate is slidably connected in the sliding groove, the buffer plate can be quickly retracted into the accommodating groove after being squeezed to a certain extent by external force, the left end of the buffer plate extends out of the sliding groove and is rotatably connected to a buffer wheel via a torsion spring; a reset part, the reset part includes a sliding groove opened on the left side wall of the connecting member, the sliding groove corresponds to the accommodating groove one by one and the opening faces left, a movable plate is slidably connected in the sliding groove, the left end of the movable plate extends out of the sliding groove and is rotatably connected to a trigger wheel, and the reset part can reset the buffer part after the external force is removed.

[0007] Preferably, a release bearing is rotatably connected to the left side of the pushing frame, and the left end of the release bearing is fixedly connected to the connecting member, and the connecting member is annular.

[0008] Preferably, the right end of the buffer plate is connected to the right side wall of the accommodating groove via a first elastic member, the upper end of the buffer plate is fixedly connected to a rectangular box located in the accommodating groove with its opening facing upward, a U-shaped swinging plate with its opening facing upward is rotatably connected inside the rectangular box, the left end of the swinging plate is in contact with the inner wall of the rectangular box, and the right end of the swinging plate is connected to the bottom of the rectangular box via an elastic sheet.

[0009] Preferably, a blocking block is slidably connected in the accommodating groove, and the right end of the blocking block is connected to the right side wall of the accommodating groove via the second elastic member, and a vertical groove with an opening facing downward is provided on the blocking block, and a first wedge block located at the right end of the swing plate is slidably connected in the vertical groove, and the upper end of the first wedge block is connected to the upper side wall of the vertical groove via a third elastic member, and the lower end face of the first wedge block is an inclined surface with the left side lower and the right side higher, and a fixing plate located below the second elastic member and in the left and right directions is provided on the right side wall of the accommodating groove.

[0010] Preferably, the left end of the fixed plate corresponds to the inclined surface of the lower end of the first wedge block, and the fixed plate can push the inclined surface of the lower end of the first wedge block to move upward. The left end of the fixed plate corresponds to the opening of the swing plate, and when the swing plate moves to the right, the fixed plate can pass through the opening of the swing plate to avoid interference.

[0011] Preferably, a baffle is fixedly connected to the lower side of the right end of the buffer plate, a slide cylinder is fixedly connected to the right side wall of the accommodating groove and is located below the first elastic member and is axially connected to the left and right sides, a T-shaped push rod is slidably connected in the slide cylinder, the right end of the push rod is connected to the right side wall of the accommodating groove via a fourth elastic member, and the left end of the push rod can contact the baffle.

[0012] Preferably, a downward-opening card slot is provided on the left side of the push rod, a lifting block is slidably connected to the bottom of the accommodating slot, a lifting slot with an upward opening is provided on the lifting block, a second wedge block capable of being inserted into the card slot is slidably connected in the lifting slot, the upper end of the second wedge block is an inclined surface with the left side lower and the right side higher, and the lower end of the second wedge block is connected to the lower side wall of the lifting slot via a fifth elastic member.

[0013] Preferably, the right end of the movable plate is connected to the right side wall of the accommodating groove via a sixth elastic member, and a makeshift groove which runs through the upper and lower parts and the left and right parts is provided on the movable plate, and the lifting block is located in the makeshift groove, and two front-to-back symmetrical inclined grooves which are lower on the left and higher on the right are provided on the side wall of the lifting block, and the two inclined grooves are opened back to back, and two plug posts are provided on the side wall of the makeshift groove, and the plug posts are inserted into the inclined grooves on their corresponding sides.

[0014] Preferably, a stepped transmission cylinder is provided in the accommodating groove, and transmission fluid is filled in the transmission cylinder. The diameter of the upper end of the transmission cylinder is larger than the diameter of the lower end thereof. A first piston plate is slidably connected to the upper side of the transmission cylinder, and an L-shaped piston rod is fixedly connected to the left end of the first piston plate. The left end of the piston rod passes through the transmission cylinder and is fixedly connected to the blocking block. A second piston plate is slidably connected to the transmission cylinder on the lower side, and a U-shaped connecting rod is fixedly connected to the right end of the second piston plate. The right end of the connecting rod passes through the transmission cylinder and is fixedly connected to the push rod.

[0015] Preferably, the ratio of the diameter of the upper end of the transmission cylinder to the diameter of the lower end of the transmission cylinder is equal to the ratio of the distance from the right end face of the swing plate to the left end face of the fixed plate to the distance from the right end face of the baffle to the left end face of the T-shaped plate.

[0016] Technical effects and advantages of the present invention: 1. The present invention arranges a connecting piece, a buffer plate, a buffer wheel, and a torsion spring so that the buffer wheel drives the entire connecting piece to rotate in the same direction as the diaphragm spring through the torsion spring and the buffer plate, and the connecting piece drives the release bearing to rotate, thereby avoiding direct contact between the release bearing and the diaphragm spring. The buffer wheel contacts the diaphragm spring first, thereby converting sliding friction into rolling friction, thereby reducing the huge friction resistance that the diaphragm spring is subjected to in an instant, and slowing down the wear on the surface of the diaphragm spring. At the same time, when the buffer wheel rotates, it drives the connecting piece to rotate through the torsion spring, thereby making the rotation speed of the connecting piece gradually approach that of the diaphragm spring. When the connecting piece is close to the diaphragm spring, the friction force can be further reduced, thereby reducing the wear on the diaphragm spring and extending the service life of the diaphragm spring.

[0017] 2. The present invention cooperates with the blocking block, the first elastic member, the second elastic member, the swing plate, the wedge block and the fixed plate. When the pre-contact stage of the buffer wheel is completed, the buffer wheel and the buffer plate can be quickly stored in the accommodating groove under the pulling force of the first elastic member, and the connecting member contacts the diaphragm spring at a speed close to the rotation speed of the diaphragm spring, which not only reduces the wear on the diaphragm spring, but also does not change the force area of ​​the diaphragm spring, thereby ensuring the stability of the separation stroke of the clutch assembly.

[0018] 3. The present invention coordinates the trigger wheel, the movable plate, the card slot, the lifting block, the transmission cylinder and the piston plate so that the blocking block and the push rod can move to the right at different speeds due to the different diameters of the transmission cylinder and the transmission fluid as well as the upper and lower sides of the transmission cylinder during the movement of the blocking block to the right. Since the blocking block and the buffer plate move to the right synchronously, the push rod is separated from the baffle on the buffer plate during the movement to the right. At the same time, when the blocking block no longer blocks the buffer plate, the push rod can be limited. When the connecting piece is out of contact with the diaphragm spring, it is convenient for the buffer wheel and the buffer plate to extend out of the accommodating groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is an overall actual diagram of the buffer part and the reset part of the present invention.

[0021] Figure 3 It is a partially cutaway axonometric view of the connecting piece of the present invention.

[0022] Figure 4 For the present invention Figure 3 A is an enlarged view of the middle image.

[0023] Figure 5 For the present invention Figure 3 Enlarged view of B.

[0024] Figure 6 It is a partially cutaway axonometric view of the connecting piece of the present invention.

[0025] Figure 7 It is a schematic diagram of the structure inside the containing tank of the present invention.

[0026] Figure 8 It is a schematic structural diagram of the swing plate, the first wedge block and the fixed plate of the present invention.

[0027] Fig. 9 It is a structural schematic diagram of the movable plate and the lifting block of the present invention.

[0028] The accompanying drawings are marked as follows: 1, clutch body; 2, push frame; 3, buffer part; 31, connecting member; 32, receiving groove; 33, buffer plate; 34, torsion spring; 35, buffer wheel; 36, first elastic member; 37, rectangular box; 38, swing plate; 39, elastic sheet; 310, blocking block; 311, second elastic member; 312, first wedge block; 313, third elastic member; 314, fixed plate; 315, vertical groove; 4, reset part; 41, moving plate; 42, trigger Wheel; 43, baffle; 44, slide; 45, push rod; 46, fourth elastic member; 47, slot; 48, lifting block; 49, lifting slot; 410, second wedge block; 411, fifth elastic member; 412, sixth elastic member; 413, give way slot; 414, inclined slot; 415, plug column; 416, transmission cylinder; 417, transmission fluid; 418, first piston plate; 419, piston rod; 420, second piston plate; 421, connecting rod; 5, release bearing. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1 When the release bearing of the clutch assembly contacts the high-speed rotating diaphragm spring, the release bearing will generate instantaneous and huge friction force on the diaphragm spring. Repeated use will cause surface wear of the diaphragm spring. The wear depth limit of the diaphragm spring is 0.6mm, and the width limit is 5.0mm. When the wear limit is exceeded, the vehicle's power transmission performance will be affected. At this time, the diaphragm spring needs to be replaced. All components in the clutch assembly need to be disassembled and the diaphragm spring needs to be replaced. The maintenance cost is high. In order to avoid frequent replacement of the diaphragm spring as much as possible, it is necessary to extend the service life of the diaphragm spring, reduce the instantaneous friction force when the release bearing contacts the diaphragm spring for the first time, and slow down the wear on the diaphragm spring.

[0031] To solve the above technical problems, please refer to Figure 1 and Figure 2 As shown, a first embodiment of the present invention provides a clutch assembly, including a clutch body 1 and a push frame 2 , as well as a buffer portion 3 and a reset portion 4 .

[0032] See also Figure 1 , Figure 2 and Figure 3As shown, the buffer portion 3 includes a connecting member 31 arranged on the pushing frame 2, a plurality of receiving grooves 32 are opened in the connecting member 31, a sliding groove is opened on the left side wall of the receiving groove 32, a buffer plate 33 is slidably connected in the sliding groove, and the buffer plate 33 can be quickly retracted into the receiving groove 32 after being squeezed to a certain extent by external force, the left end of the buffer plate 33 extends out of the sliding groove and is rotatably connected to the buffer wheel 35 via a torsion spring 34, and the reset portion 4 includes a sliding groove opened on the left side wall of the connecting member 31, the sliding groove corresponds to the receiving groove 32 one by one and the opening faces left, a moving plate 41 is slidably connected in the sliding groove, the left end of the moving plate 41 extends out of the sliding groove and is rotatably connected to the trigger wheel 42, and the reset portion 4 can reset the buffer portion 3 after the external force is removed.

[0033] See also Figure 1 and Figure 2 As shown, the left side of the push frame 2 is rotatably connected with a release bearing 5, and the left end of the release bearing 5 is fixedly connected to a connecting member 31, and the connecting member 31 is annular.

[0034] In actual use, its initial state is that the first elastic member 36 is in a stretched state, the second elastic member 311, the fourth elastic member 46 and the sixth elastic member 412 are in a compressed state. When the clutch pedal is stepped on, the clutch pedal drives the push frame 2 to move left, the push frame 2 drives the release bearing 5 to move left, the release bearing 5 drives the connecting member 31 to move left, the connecting member 31 drives multiple buffer plates 33 and the buffer wheel 35 to move left through the accommodating groove 32. At this time, the clutch body 1 is in a high-speed rotation state, and the clutch body 1 drives the diaphragm spring to rotate at a high speed. When the buffer plate 33 drives the buffer wheel 35 to contact the diaphragm spring, the diaphragm spring is rotating, so that the diaphragm spring drives the multiple buffer wheels 35 to rotate by rolling friction. When the buffer wheel 35 rotates, the torsion spring 3 is stretched. 4. The force of the torsion spring 34 when stretched will generate resistance to the rotation of the buffer wheel 35, so that the buffer wheel 35 drives the entire connecting member 31 to rotate in the same direction as the diaphragm spring through the torsion spring 34 and the buffer plate 33, and the connecting member 31 drives the release bearing 5 to rotate, avoiding direct contact between the release bearing 5 and the diaphragm spring. The buffer wheel 35 contacts the diaphragm spring first, so that the sliding friction is converted into rolling friction, avoiding the diaphragm spring from being subjected to huge friction resistance in an instant, and reducing the wear on the surface of the diaphragm spring. At the same time, when the buffer wheel 35 rotates, the torsion spring 34 drives the connecting member 31 to rotate, so that the rotation speed of the connecting member 31 gradually approaches the rotation speed of the diaphragm spring. When the connecting member 31 is close to the diaphragm spring, the friction force can be further reduced, the wear on the diaphragm spring can be reduced, and the service life of the diaphragm spring can be extended.

[0035] Embodiment 2 On the basis of the above-mentioned embodiment, in actual use, the release bearing 5 directly contacts the diaphragm spring and squeezes the diaphragm spring to cause elastic deformation of the diaphragm spring. Although the above-mentioned buffer wheel 35 can play a pre-contact effect, since the release bearing 5 was originally the contact end face, and now the buffer wheel 35 is changed to the contact end face, the force area of ​​the buffer wheel 35 is smaller, which will interfere with the original deformation of the diaphragm spring, thereby affecting the separation stroke of the clutch. In order to avoid the interference of the buffer wheel 35 on the deformation of the diaphragm spring

[0036] See also Figure 3 , Figure 4 and Figure 8 As shown, the right end of the buffer plate 33 is connected to the right side wall of the accommodating groove 32 via the first elastic member 36, and the upper end of the buffer plate 33 is fixedly connected to a rectangular box 37 located in the accommodating groove 32 and with an opening facing upward, and a swing plate 38 with an opening facing upward and in a U shape is rotatably connected in the rectangular box 37, the left end of the swing plate 38 is in contact with the inner wall of the rectangular box 37, and the right end of the swing plate 38 is connected to the bottom of the rectangular box 37 via an elastic sheet 39.

[0037] See also Figure 3 , Figure 4 and Figure 8 As shown, a blocking block 310 is slidably connected in the accommodating groove 32, and the right end of the blocking block 310 is connected to the right side wall of the accommodating groove 32 via a second elastic member 311. A vertical groove 315 with an opening facing downward is provided on the blocking block 310, and a first wedge block 312 located at the right end of the swing plate 38 is slidably connected in the vertical groove 315. The upper end of the first wedge block 312 is connected to the upper side wall of the vertical groove 315 via a third elastic member 313. The lower end surface of the first wedge block 312 is an inclined surface with a lower left side and a higher right side. A fixing plate 314 is provided on the right side wall of the accommodating groove 32 and is located below the second elastic member 311 and in the left and right directions.

[0038] See also Figure 3 , Figure 4 and Figure 8 As shown, the left end of the fixed plate 314 corresponds to the inclined surface of the lower end of the first wedge block 312, and the fixed plate 314 can push the inclined surface of the lower end of the first wedge block 312 to move upward. The left end of the fixed plate 314 corresponds to the opening of the swing plate 38. When the swing plate 38 moves to the right, the fixed plate 314 can pass through the opening of the swing plate 38 to avoid interference.

[0039] In actual use, as the push frame 2 continues to move to the left, the diaphragm spring gradually compresses the buffer wheel 35, so that the buffer wheel 35 drives the buffer plate 33 to move to the right and compresses the first elastic member 36, the buffer plate 33 drives the rectangular box 37 to move to the right, the rectangular box 37 drives the swing plate 38 to move to the right, the swing plate 38 drives the first wedge block 312 to move to the right, the first wedge block 312 drives the blocking block 310 to move to the right through the vertical slot 315, at this time, the second elastic member 311 is a resistance in the direction of the left, and the first elastic member 36 is a pulling force in the direction of the right, blocking When the first wedge block 312 moves to the right and contacts the fixed plate 314, the first wedge block 312 continues to move to the right, so that the fixed plate 314 pushes the first wedge block 312 to move upward and compresses the third elastic member 313. The first wedge block 312 moves upward relative to the swing plate 38. When the first wedge block 312 moves upward to the limit position under the push of the fixed plate 314, the swing plate 38 is out of contact with the first wedge block 312. The first wedge block 312 no longer blocks the swing plate 38. Under the restoring force of the second elastic member 311, the blocking block 310 drives the first wedge block 312 to move leftward to the limit position, that is, the position where the left end of the blocking block 310 contacts the left side wall of the receiving groove 32. At this time, since the first wedge block 312 no longer contacts the swing plate 38, the buffer plate 33 moves rightward to the limit position under the pulling force of the first elastic member 36, and the fixed plate 314 is inserted into the opening of the swing plate 38. The buffer plate 33 drives the buffer wheel 35 to enter the receiving groove 32. At this time, the buffer The wheel 35 is out of contact with the diaphragm spring, but the connecting member 31 continues to rotate under the action of inertia and the rotation direction is the same as that of the diaphragm spring. When the push frame 2 continues to move to the left, the left end face of the connecting member 31 will contact the diaphragm spring. At this time, multiple buffer wheels 35 are all received in the accommodating groove 32 in the connecting member 31. The connecting member 31 contacts the diaphragm spring at a speed close to the rotation speed of the diaphragm spring, which not only reduces the wear on the diaphragm spring, but also does not change the force area of ​​the diaphragm spring, thereby ensuring the stability of the separation stroke of the clutch assembly.

[0040] Embodiment 3 On the basis of the above embodiment, since the buffer wheel 35 is received in the receiving groove 32 before the connecting member 31 contacts the diaphragm spring, as the pedal is released, the pushing frame 2 will move to the right to the extreme position, and the pushing frame 2 will drive the connecting member 31 to move to the right to the extreme position, but the buffer wheel 35 will be stored in the receiving groove 32. When the pedal is stepped on next time, the buffer wheel 35 cannot be extended and the pre-contact effect cannot be achieved. When the connecting member 31 is reset, the buffer plate 33 needs to drive the buffer wheel 35 to extend out of the receiving groove 32 for subsequent use.

[0041] See also Figure 3As shown, a baffle 43 is fixedly connected to the lower right end of the buffer plate 33, and a slide cylinder 44 is fixedly connected to the right side wall of the accommodating groove 32, which is located below the first elastic member 36 and axially left and right. A T-shaped push rod 45 is slidably connected in the slide cylinder 44, and the right end of the push rod 45 is connected to the right side wall of the accommodating groove 32 via the fourth elastic member 46, and the left end of the push rod 45 can contact the baffle 43.

[0042] See also Figure 3 , Figure 5 and Fig. 9 As shown, a downward-opening slot 47 is provided on the left side of the push rod 45, a lifting block 48 is slidably connected to the bottom of the accommodating slot 32, a lifting slot 49 with an upward opening is provided on the lifting block 48, a second wedge block 410 capable of being inserted into the slot 47 is slidably connected in the lifting slot 49, the upper end of the second wedge block 410 is an inclined surface with the left side lower and the right side higher, and the lower end of the second wedge block 410 is connected to the lower side wall of the lifting slot 49 via a fifth elastic member 411.

[0043] See also Figure 3 and Fig. 9 As shown, the right end of the movable plate 41 is connected to the right side wall of the accommodating groove 32 via the sixth elastic member 412, and a clearance groove 413 is provided on the movable plate 41, which runs through the upper and lower parts and the left and right parts. The lifting block 48 is located in the clearance groove 413, and two front-to-back symmetrical inclined grooves 414 with lower left and higher right are provided on the side wall of the lifting block 48. The openings of the two inclined grooves 414 are opposite to each other, and two plug posts 415 are provided on the side wall of the clearance groove 413, and the plug posts 415 are inserted into the inclined grooves 414 on the corresponding sides.

[0044] See also Figure 6 and Figure 7 As shown, a stepped transmission cylinder 416 is provided in the accommodating groove 32, and a transmission fluid 417 is filled in the transmission cylinder 416. The diameter of the upper end of the transmission cylinder 416 is larger than the diameter of the lower end thereof. A first piston plate 418 is slidably connected to the upper side of the transmission cylinder 416, and an L-shaped piston rod 419 is fixedly connected to the left end of the first piston plate 418. The left end of the piston rod 419 penetrates the transmission cylinder 416 and is fixedly connected to the blocking block 310. A second piston plate 420 is slidably connected to the lower transmission cylinder 416, and a U-shaped connecting rod 421 is fixedly connected to the right end of the second piston plate 420, and the right end of the connecting rod 421 penetrates the transmission cylinder 416 and is fixedly connected to the push rod 45.

[0045] See also Figure 3 and Figure 6 As shown, the ratio of the diameter of the upper end of the transmission cylinder 416 to the diameter of the lower end of the transmission cylinder 416 is equal to the ratio of the distance from the right end face of the swing plate 38 to the left end face of the fixed plate 314 to the distance from the right end face of the baffle 43 to the left end face of the T-shaped plate.

[0046] On the basis of the above-mentioned embodiment 2, the elastic force of the elastic sheet 39 is much smaller than the elastic force of the third elastic member 313, and there is a cavity on one side of the transmission cylinder 416 connected to the first piston plate 418, and the other positions of the transmission cylinder 416 are filled with transmission fluid 417 as the initial state. In the above process, the blocking block 310 drives the first piston plate 418 to reciprocate left and right in the transmission cylinder 416 through the piston rod 419 and returns to the extreme position on the left. In this process, the first piston plate 418 pushes the transmission fluid 417 in the transmission cylinder 416 to reciprocate left and right. Since there is a cavity on one side of the transmission cylinder 416 connected to the first piston plate 418, the transmission fluid 417 will not push the second piston plate 420 to displace in this process. When the connecting member 31 contacts the diaphragm spring, the connecting member 31 will bring The movable trigger wheel 42 contacts the diaphragm spring, and the diaphragm spring pushes the trigger wheel 42 to move rightward. The trigger wheel 42 drives the movable plate 41 to move rightward and compresses the sixth elastic member 412. The movable plate 41 drives the plug post 415 to move rightward in the inclined slot 414 in the lifting block 48, so that the lifting block 48 moves downward. The lifting block 48 drives the second wedge block 410 to move downward out of the slot 47 through the fifth elastic member 411, and the limit on the push rod 45 is released. The push rod 45 moves to the left under the action of the fourth elastic member 46. At this time, the push rod 45 can drive the buffer plate 33 to move leftward through the baffle plate 43. When the pedal is released, the push frame 2 drives the connecting member 31 to move rightward through the release bearing 5. When the connecting member 31 is out of contact with the diaphragm spring to the right, the push rod 45 The baffle plate 43 drives the buffer plate 33 to move to the left, and the buffer plate 33 drives the buffer wheel 35 to gradually extend out of the accommodating groove 32. The left end of the buffer wheel 35 contacts the diaphragm spring. When the connecting member 31 moves to the right to the limit position, the movable plate 41 moves to the left to the limit position under the reset action of the sixth elastic member 412. The movable plate 41 drives the plug column 415 to move to the left in the inclined groove 414, so that the lifting block 48 moves upward to the limit position. The buffer plate 33 drives the buffer wheel 35 to move to the left to the limit position. In this process, the buffer plate 33 drives the rectangular box 37 to move to the left. When the rectangular box 37 drives the swing plate 38 to contact the first wedge block 312, the first wedge block 312 pushes the swing plate 38 to swing downward and compresses the elastic sheet 39. When the buffer plate 33 drives the rectangular box 37 to move to the left, the first wedge block 312 pushes the swing plate 38 to swing downward and compresses the elastic sheet 39. When the box 37 moves to the left to the extreme position, the swing plate 38 is out of contact with the first wedge block 312, and the swing plate 38 swings upward to a vertical position under the force of the elastic sheet 39. At this time, the swing plate 38 is located on the left side of the first wedge block 312, and the right end surface of the swing plate 38 contacts the left end surface of the first wedge block 312. During the movement of the push rod 45 to the left, the second piston plate 420 is driven to move to the extreme position to the left via the connecting rod 421. The second piston plate 420 pushes the transmission fluid 417 in the transmission cylinder 416 to move, so that the transmission fluid 417 on the upper side moves to the left. The right side of the first piston plate 418 directly contacts the transmission fluid 417. At this time, there is no cavity between the first piston plate 418 and the second piston plate 420, and the cavity is transferred to the right side of the second piston plate 420.When the clutch pedal is stepped on for the next time, the diaphragm spring pushes the buffer plate 33 to move to the right. As can be seen from the above, the blocking block 310 moves to the right, the blocking block 310 drives the piston rod 419 to move to the right, the piston rod 419 drives the first piston plate 418 to move to the right, the first piston plate 418 drives the transmission fluid 417 in the transmission cylinder 416 to move, so that the transmission fluid 417 in the lower transmission cylinder 416 drives the second piston plate 420 to move to the right, the second piston plate 420 drives the push rod 45 to move to the right and compresses the fourth elastic member 46. When the blocking block 310 drives the first wedge block 312 to move to the right to the extreme position, as can be seen from the above, this position is that the first wedge block 312 moves upward under the push of the fixed plate 314 to the position disengaged from the swing plate 38. At this time, the transmission fluid 417 in the transmission cylinder 416 drives the second piston plate 420 to move to the right, and the second piston plate 420 drives the connecting rod 421 to move to the right. The push rod 45 is moved to the right to the limit position. During the movement of the push rod 45 to the right, the push rod 45 drives the slot 47 to push the inclined surface of the second wedge block 410, so that the second wedge block 410 moves downward and compresses the fifth elastic member 411. When the second wedge block 410 corresponds to the position of the slot 47, the second wedge block 410 is inserted upward into the slot 47 under the reset force of the fifth elastic member 411 to limit the push rod 45. As can be seen from the above, at this time, the buffer plate 33 moves to the right into the receiving groove 32 under the pulling force of the first elastic member 36. When the blocking block 310 moves to the left under the force of the second elastic member 311, the blocking block 310 drives the first piston plate 418 to move to the left to the limit position through the piston rod 419, so that the transmission fluid 417 in the transmission cylinder 416 is restored to the initial state step by step, that is, there is a cavity on the side of the transmission cylinder 416 connected to the first piston plate 418.

[0047] To summarize, when the blocking block 310 moves to the right, the different diameters of the transmission cylinder 416 and the transmission fluid 417 as well as the upper and lower sides of the transmission cylinder 416 enable the blocking block 310 and the push rod 45 to move to the right at different speeds. Since the blocking block 310 and the buffer plate 33 move to the right synchronously, the push rod 45 is separated from the baffle plate 43 of the buffer plate 33 during the process of moving to the right. At the same time, when the blocking block 310 no longer blocks the buffer plate 33, the push rod 45 can be limited, so that the buffer plate 33 and the buffer wheel 35 are quickly retracted into the accommodating groove 32 under the pulling force of the first elastic member 36.

[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clutch assembly, comprising a clutch body (1) and a push frame (2), characterized in that: Also includes: A buffer portion (3), the buffer portion (3) comprising a connecting member (31) arranged on the pushing frame (2), a plurality of receiving grooves (32) being provided in the connecting member (31), a slide groove being provided on the left side wall of the receiving groove (32), a buffer plate (33) being slidably connected in the slide groove, the buffer plate (33) being able to quickly retract into the receiving groove (32) when squeezed by an external force, the left end of the buffer plate (33) extending out of the slide groove and being rotatably connected to a buffer wheel (35) via a torsion spring (34); A reset portion (4), the reset portion (4) comprising a sliding groove formed on a left side wall of the connecting member (31), the sliding groove corresponding to the accommodating groove (32) one by one and opening to the left, a moving plate (41) being slidably connected in the sliding groove, a left end of the moving plate (41) extending out of the sliding groove and being rotatably connected to a trigger wheel (42), the reset portion (4) being capable of resetting the buffer portion (3) after the external force is removed.

2. A clutch assembly according to claim 1, characterized in that: The left side of the pushing frame (2) is rotatably connected to a release bearing (5), and the left end of the release bearing (5) is fixedly connected to the connecting member (31), and the connecting member (31) is annular.

3. A clutch assembly according to claim 2, characterized in that: The right end of the buffer plate (33) is connected to the right side wall of the accommodating groove (32) via a first elastic member (36); the upper end of the buffer plate (33) is fixedly connected to a rectangular box (37) located in the accommodating groove (32) and with an opening facing upward; a U-shaped swing plate (38) with an opening facing upward is rotatably connected in the rectangular box (37); the left end of the swing plate (38) contacts the inner wall of the rectangular box (37); and the right end of the swing plate (38) is connected to the bottom of the rectangular box (37) via an elastic sheet (39).

4. A clutch assembly according to claim 3, characterized in that: A blocking block (310) is slidably connected in the receiving groove (32), and the right end of the blocking block (310) is connected to the right side wall of the receiving groove (32) via a second elastic member (311). A vertical groove (315) with an opening facing downward is provided on the blocking block (310), and a first wedge block (312) located at the right end of the swing plate (38) is slidably connected in the vertical groove (315), and the upper end of the first wedge block (312) is connected to the upper side wall of the vertical groove (315) via a third elastic member (313). The lower end surface of the first wedge block (312) is an inclined surface with a lower left side and a higher right side. A fixing plate (314) is provided on the right side wall of the receiving groove (32) and is located below the second elastic member (311) and in the left and right directions.

5. A clutch assembly according to claim 4, characterized in that: The left end of the fixed plate (314) corresponds to the inclined surface of the lower end of the first wedge block (312), and the fixed plate (314) can push the inclined surface of the lower end of the first wedge block (312) to move upward. The left end of the fixed plate (314) corresponds to the opening of the swing plate (38), and when the swing plate (38) moves to the right, the fixed plate (314) can pass through the opening of the swing plate (38).

6. A clutch assembly according to claim 5, characterized in that: A baffle (43) is fixedly connected to the lower side of the right end of the buffer plate (33); a slide cylinder (44) located below the first elastic member (36) and in the left-right axial direction is fixedly connected to the right side wall of the accommodating groove (32); a T-shaped push rod (45) is slidably connected in the slide cylinder (44); the right end of the push rod (45) is connected to the right side wall of the accommodating groove (32) via a fourth elastic member (46); and the left end of the push rod (45) can contact the baffle (43).

7. A clutch assembly according to claim 6, characterized in that: A slot (47) with an opening facing downward is formed on the left side of the push rod (45); a lifting block (48) is slidably connected to the bottom of the accommodating groove (32); a lifting groove (49) with an opening facing upward is formed on the lifting block (48); a second wedge block (410) capable of being inserted into the slot (47) is slidably connected in the lifting groove (49); the upper end of the second wedge block (410) is an inclined surface with a lower left side and a higher right side; and the lower end of the second wedge block (410) is connected to the lower side wall of the lifting groove (49) via a fifth elastic member (411).

8. A clutch assembly according to claim 7, characterized in that: The right end of the movable plate (41) is connected to the right side wall of the accommodating groove (32) via a sixth elastic member (412); a vertically through-going and left-right directional giving way groove (413) is provided on the movable plate (41); the lifting block (48) is located in the giving way groove (413); two front-to-back symmetrical inclined grooves (414) with a lower left and a higher right are provided on the side wall of the lifting block (48); the openings of the two inclined grooves (414) are opposite to each other; two plug posts (415) are provided on the side wall of the giving way groove (413); the plug posts (415) are inserted into the inclined grooves (414) on the corresponding sides thereof.

9. A clutch assembly according to claim 8, characterized in that: A stepped transmission cylinder (416) is provided in the receiving groove (32), and a transmission fluid (417) is contained in the transmission cylinder (416). The diameter of the upper end of the transmission cylinder (416) is larger than the diameter of the lower end thereof. A first piston plate (418) is slidably connected to the upper side of the transmission cylinder (416), and an L-shaped piston rod (419) is fixedly connected to the left end of the first piston plate (418). The left end of the piston rod (419) passes through the transmission cylinder (416) and is fixedly connected to the blocking block (310). A second piston plate (420) is slidably connected to the lower side of the transmission cylinder (416), and a U-shaped connecting rod (421) is fixedly connected to the right end of the second piston plate (420). The right end of the connecting rod (421) passes through the transmission cylinder (416) and is fixedly connected to the push rod (45).

10. A clutch assembly according to claim 9, characterized in that: The ratio of the diameter of the upper end of the transmission cylinder (416) to the diameter of the lower end of the transmission cylinder (416) is equal to the ratio of the distance from the right end surface of the swing plate (38) to the left end surface of the fixed plate (314) to the distance from the right end surface of the baffle plate (43) to the left end surface of the T-shaped plate.

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