Mechanical isolation clutch with optimized acoustic performance

Abstract

The mechanical isolation clutch with the optimized acoustic performance comprises an output shaft, a driven disc is arranged at the right end of the output shaft, a clutch separation assembly is arranged on the left side of the driven disc, a friction plate is connected to the right side of the driven disc, the driven disc is in friction connection with the friction plate, and an input shaft is arranged on the right side of the friction plate. A damping assembly is arranged on the outer side of the left end of the input shaft, a clutch connecting assembly is arranged on the right side of the damping assembly, and a shell protection assembly is arranged on the right side of the input shaft. According to the device, the damping assembly is arranged on the right side of the friction plate, vibration generated when the friction plate is matched with the driven disc during rotation is relieved, noise is reduced, meanwhile, the sound guide holes and the sound absorption cavity are formed in the driven disc, noise generated by the driven disc is effectively degraded, the sound insulation sleeve is arranged outside the output shaft, and the noise reduction effect is good. Noise generated in the clutch is effectively isolated, and the noise in the clutch is prevented from being released.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile clutches, in particular to a mechanical isolation clutch with optimized acoustic performance. Background Art

[0002] The car clutch is a mechanical device used to control the connection and disconnection between the engine power and the transmission system. It is located between the engine and the transmission, allowing the driver to control the transmission of the engine driving force when shifting, starting and stopping. In reality, the clutch will often vibrate when shifting gears, making the operator feel uncomfortable and laborious due to the vibration.

[0003] During use, the existing clutch generates a lot of noise due to friction transmission between the internal driven disc and the friction plate. At the same time, the lack of a shock absorber causes a lot of noise due to vibration during operation, which needs to be improved. In view of this, we propose a mechanical isolation clutch with optimized acoustic performance. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a mechanical isolation clutch with optimized acoustic performance, which solves the problem that during use of the above-mentioned clutch, friction transmission between the internal driven disk and the friction plate generates a lot of noise, and at the same time, there is a lack of shock absorbing device, which leads to a lot of noise generated by vibration during operation.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0008] A mechanical isolation clutch with optimized acoustic performance comprises an output shaft, a driven disc is provided at the right end of the output shaft, a clutch separation assembly is provided on the left side of the driven disc, a friction plate is connected to the right side of the driven disc, the driven disc and the friction plate are frictionally connected, an input shaft is provided on the right side of the friction plate, a shock absorbing assembly is provided on the outer side of the left end of the input shaft, a clutch connection assembly is provided on the right side of the shock absorbing assembly, and a housing protection assembly is provided on the right side of the input shaft.

[0009] Preferably, the clutch separation assembly includes a hydraulic clutch body, a clutch push rod, a hydraulic chamber, an annular groove, a retract fluid inlet hole, an extrusion fluid hole, a retract fluid outlet hole, and an extrusion fluid hole. The hydraulic clutch body is provided with a hydraulic chamber and an annular groove inside, the hydraulic chamber is connected to a clutch push rod inside, the hydraulic chamber and the clutch push rod are slidingly connected, the top of the hydraulic chamber is connected to the outside of the hydraulic clutch body and is provided with a retract fluid inlet hole, an extrusion fluid hole, a retract fluid outlet hole and an extrusion fluid hole, the inner side of the annular groove is provided with an output shaft, and the hydraulic clutch body and the output shaft are fixedly connected.

[0010] Preferably, the shock absorbing assembly includes a shock absorbing gasket, a shock absorbing plate, a shock absorbing spring, a pressure plate and a positioning groove. A shock absorbing gasket is provided on the right side of the friction plate, a shock absorbing plate is provided on the right side of the shock absorbing gasket, the shock absorbing gasket and the friction plate, and the shock absorbing gasket and the shock absorbing plate are fixedly connected, a positioning groove is provided on the right side of the shock absorbing plate, a shock absorbing spring is provided on the inner side of the positioning groove, a pressure plate is provided on the other end of the shock absorbing spring, the positioning groove and the shock absorbing spring, and the shock absorbing spring and the pressure plate are fixedly connected, and the input shaft passes through the shock absorbing gasket, the shock absorbing plate and the pressure plate and is fixedly connected to the friction plate.

[0011] Preferably, the clutch connection assembly includes a compression spring and a spring guide column, a compression plate is provided on the left side of the spring guide column, the outer side of the spring guide column is connected to the compression spring, the inner side of the compression spring is slidingly connected to the outer side of the spring guide column, a compression plate is provided at the left end of the spring guide column, and a clutch housing is provided at the right end of the spring guide column, and the spring guide column and the pressure plate, as well as the spring guide column and the clutch housing are fixedly connected.

[0012] Preferably, the housing protection assembly includes a clutch housing, a rolling bearing, and a sleeve. A connecting hole is opened on the right side of the clutch housing, a rolling bearing is connected to the inner side of the connecting hole, the clutch housing and the rolling bearing are rotatably connected, a sleeve is provided on the inner side of the rolling bearing, an input shaft is provided on the inner side of the sleeve, the rolling bearing and the sleeve, and the sleeve and the input shaft are fixedly connected, a hydraulic clutch body is provided on the left side of the clutch housing, and the clutch housing and the hydraulic clutch body are fixedly connected.

[0013] Preferably, a sound absorbing cavity is opened on the left side of the driven disk, a sound guide hole is provided through the interior of the driven disk, a limiting ring is provided on the outer side of the middle section of the input shaft, the input shaft and the limiting ring are fixedly connected, a sound insulation sleeve is provided on the outer side of the left end of the output shaft, a hydraulic clutch body is provided on the right side of the sound insulation sleeve, and the output shaft and the sound insulation sleeve, as well as the sound insulation sleeve and the hydraulic clutch body are fixedly connected.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the advantages of the utility model are:

[0016] The device arranges a shock-absorbing component on the right side of the friction plate, so that the vibration between the friction plate and the driven plate when rotating is alleviated, thereby reducing the generation of noise. At the same time, a sound guide hole and a sound absorption cavity are opened inside the driven plate, so that the noise generated by the driven plate is effectively degraded. A sound insulation sleeve is arranged on the outside of the output shaft, so that the noise generated inside the clutch is effectively isolated, thereby avoiding the noise inside the clutch from being emitted outward. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 4 This is a cross-sectional schematic diagram of the hydraulic clutch body of the utility model;

[0021] Figure 5 It is a cross-sectional schematic diagram of the output shaft of the utility model.

[0022] In the figure: 1. output shaft; 2. sound insulation sleeve; 3. hydraulic clutch body; 4. clutch housing; 5. input shaft; 6. clutch push rod; 7. shock-absorbing gasket; 8. shock-absorbing plate; 9. shock-absorbing spring; 10. pressure plate; 11. compression spring; 12. rolling bearing; 13. sleeve; 14. spring guide column; 15. positioning groove; 16. limit ring; 17. hydraulic chamber; 18. annular groove; 19. retract liquid inlet hole; 20. external push liquid hole; 21. retract liquid outlet hole; 22. external push liquid hole; 23. sound absorbing chamber; 24. sound guide hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 , the utility model provides a technical solution;

[0025] A mechanical isolation clutch with optimized acoustic performance comprises an output shaft 1, a driven disc is provided at the right end of the output shaft 1, a clutch separation assembly is provided at the left side of the driven disc, a friction plate is connected to the right side of the driven disc, the driven disc and the friction plate are frictionally connected, an input shaft 5 is provided at the right side of the friction plate, a shock absorbing assembly is provided on the outer side of the left end of the input shaft 5, a clutch connection assembly is provided on the right side of the shock absorbing assembly, and a housing protection assembly is provided on the right side of the input shaft 5.

[0026] The clutch separation component includes a hydraulic clutch body 3, a clutch push rod 6, a hydraulic chamber 17, an annular groove 18, a retracting liquid inlet hole 19, an outward pushing liquid hole 20, a retracting liquid outlet hole 21, and an outward pushing liquid hole 22. The hydraulic clutch body 3 is provided with a hydraulic chamber 17 and an annular groove 18. The hydraulic chamber 17 is connected to the clutch push rod 6. The hydraulic chamber 17 and the clutch push rod 6 are slidably connected. The top of the hydraulic chamber 17 is connected to the outside of the hydraulic clutch body 3 and is provided with a retracting liquid inlet hole 19, an outward pushing liquid hole 20, a retracting liquid outlet hole 21 and an outward pushing liquid hole 22. The inner side of the annular groove 18 is provided with an output shaft 1, and the hydraulic clutch body 3 is fixedly connected to the output shaft 1.

[0027] The shock-absorbing assembly includes a shock-absorbing gasket 7, a shock-absorbing plate 8, a shock-absorbing spring 9, a pressure plate 10, and a positioning groove 15. A shock-absorbing gasket 7 is provided on the right side of the friction plate, and a shock-absorbing plate 8 is provided on the right side of the shock-absorbing gasket 7. The shock-absorbing gasket 7 and the friction plate, and the shock-absorbing gasket 7 and the shock-absorbing plate 8 are fixedly connected. A positioning groove 15 is provided on the right side of the shock-absorbing plate 8, and a shock-absorbing spring 9 is provided on the inner side of the positioning groove 15. A pressure plate 10 is provided on the other end of the shock-absorbing spring 9, and the positioning groove 15 and the shock-absorbing spring 9 are fixedly connected to the pressure plate 10. The input shaft 5 passes through the interior of the shock-absorbing gasket 7, the shock-absorbing plate 8 and the pressure plate 10 and is fixedly connected to the friction plate. The shock-absorbing effect is achieved through the cooperation of the shock-absorbing gasket 7, the shock-absorbing plate 8 and the shock-absorbing spring 9.

[0028] The clutch connection assembly includes a compression spring 11 and a spring guide column 14. A compression plate 10 is provided on the left side of the spring guide column 14. The outer side of the spring guide column 14 is connected to the compression spring 11. The inner side of the compression spring 11 is slidingly connected to the outer side of the spring guide column 14. A compression plate 10 is provided at the left end of the spring guide column 14. A clutch housing 4 is provided at the right end of the spring guide column 14. The spring guide column 14 and the compression plate 10 are fixedly connected as well as the spring guide column 14 and the clutch housing 4. Through the action of the compression spring 11, the friction plate and the driven disk are tightly fitted for friction transmission.

[0029] The housing protection assembly includes a clutch housing 4, a rolling bearing 12, and a sleeve 13. A connecting hole is opened on the right side of the clutch housing 4, and a rolling bearing 12 is connected to the inner side of the connecting hole. The clutch housing 4 and the rolling bearing 12 are rotatably connected. A sleeve 13 is provided on the inner side of the rolling bearing 12, and an input shaft 5 is provided on the inner side of the sleeve 13. The rolling bearing 12 and the sleeve 13, as well as the sleeve 13 and the input shaft 5 are fixedly connected. A hydraulic clutch body 3 is provided on the left side of the clutch housing 4, and the clutch housing 4 and the hydraulic clutch body 3 are fixedly connected.

[0030] A sound absorbing cavity 23 is provided on the left side of the driven disk, a sound guide hole 24 is provided inside the driven disk, a limiting ring 16 is provided on the outer side of the middle section of the input shaft 5, the input shaft 5 and the limiting ring 16 are fixedly connected, a sound insulation sleeve 2 is provided on the outer side of the left end of the output shaft 1, a hydraulic clutch body 3 is provided on the right side of the sound insulation sleeve 2, the output shaft 1 and the sound insulation sleeve 2, as well as the sound insulation sleeve 2 and the hydraulic clutch body 3 are fixedly connected.

[0031] Working principle: when the driver needs to change gears, he steps on the clutch pedal, and the hydraulic oil enters the hydraulic chamber 17 from the external propulsion fluid hole 22. The hydraulic oil pushes the clutch push rod 6 inside the hydraulic chamber 17, and the clutch push rod 6 pushes the shock absorbing gasket 7, the shock absorbing plate 8, and the pressure plate 10. The pressure plate 10 contacts the limit ring 16 and pushes the input shaft 5, so that the driven plate and the friction plate are separated. After the gear shift is completed, the clutch pedal is released, and the hydraulic oil is counted into the hydraulic chamber 17 from the retreat fluid inlet hole 19. The hydraulic oil in the hydraulic chamber 17 is pressed out from the retreat fluid outlet hole 21. The hydraulic oil on the right side of the hydraulic chamber 17 pushes the clutch push rod 6 to retreat, and the compression spring 11 pushes the pressure plate 10. The pressure plate 10 pushes the shock absorbing plate 8 and the shock absorbing gasket 7. The shock absorbing gasket 7 finally pushes the friction plate and the driven plate to frictionally transmit.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical isolation clutch with optimized acoustic performance, comprising an output shaft (1), characterized in that: A driven disc is provided at the right end of the output shaft (1), a clutch separation assembly is provided on the left side of the driven disc, a friction plate is connected to the right side of the driven disc, the driven disc and the friction plate are frictionally connected, an input shaft (5) is provided on the right side of the friction plate, a shock absorbing assembly is provided on the outer side of the left end of the input shaft (5), a clutch connection assembly is provided on the right side of the shock absorbing assembly, and a housing protection assembly is provided on the right side of the input shaft (5).

2. The mechanical isolation clutch with optimized acoustic performance according to claim 1, characterized in that: The clutch separation component comprises a hydraulic clutch body (3), a clutch push rod (6), a hydraulic chamber (17), an annular groove (18), a retracting liquid inlet hole (19), an outward pushing liquid hole (20), a retracting liquid outlet hole (21), and an outward pushing liquid hole (22); the hydraulic clutch body (3) is provided with a hydraulic chamber (17) and an annular groove (18); the hydraulic chamber (17) is connected to the clutch push rod (6); the hydraulic chamber (17) and the clutch push rod (6) are slidably connected; the top of the hydraulic chamber (17) is connected to the outside of the hydraulic clutch body (3) and is provided with a retracting liquid inlet hole (19), an outward pushing liquid hole (20), a retracting liquid outlet hole (21), and an outward pushing liquid hole (22); the inner side of the annular groove (18) is provided with an output shaft (1); the hydraulic clutch body (3) and the output shaft (1) are fixedly connected.

3. The mechanical isolation clutch with optimized acoustic performance according to claim 1, characterized in that: The shock absorbing assembly comprises a shock absorbing gasket (7), a shock absorbing plate (8), a shock absorbing spring (9), a pressure plate (10), and a positioning groove (15). A shock absorbing gasket (7) is arranged on the right side of the friction plate, a shock absorbing plate (8) is arranged on the right side of the shock absorbing gasket (7), the shock absorbing gasket (7) and the friction plate, and the shock absorbing gasket (7) and the shock absorbing plate (8) are fixedly connected, a positioning groove (15) is provided on the right side of the shock absorbing plate (8), a shock absorbing spring (9) is arranged inside the positioning groove (15), a pressure plate (10) is arranged at the other end of the shock absorbing spring (9), the positioning groove (15) and the shock absorbing spring (9), and the shock absorbing spring (9) and the pressure plate (10) are fixedly connected, and the input shaft (5) passes through the shock absorbing gasket (7), the shock absorbing plate (8) and the pressure plate (10) and is fixedly connected to the friction plate.

4. The mechanical isolation clutch with optimized acoustic performance according to claim 1, characterized in that: The clutch connection assembly comprises a compression spring (11) and a spring guide column (14); a compression plate (10) is arranged on the left side of the spring guide column (14); the outer side of the spring guide column (14) is connected to the compression spring (11); the inner side of the compression spring (11) is slidably connected to the outer side of the spring guide column (14); the left end of the spring guide column (14) is provided with a compression plate (10); the right end of the spring guide column (14) is provided with a clutch housing (4); the spring guide column (14) and the compression plate (10) are fixedly connected, and the spring guide column (14) and the clutch housing (4) are fixedly connected.

5. The mechanical isolation clutch with optimized acoustic performance according to claim 1, characterized in that: The housing protection component comprises a clutch housing (4), a rolling bearing (12), and a sleeve (13); a connection hole is provided on the right side of the clutch housing (4); a rolling bearing (12) is connected to the inner side of the connection hole; the clutch housing (4) and the rolling bearing (12) are rotatably connected; a sleeve (13) is provided on the inner side of the rolling bearing (12); an input shaft (5) is provided on the inner side of the sleeve (13); the rolling bearing (12) and the sleeve (13) are fixedly connected, and the sleeve (13) and the input shaft (5) are fixedly connected; a hydraulic clutch body (3) is provided on the left side of the clutch housing (4); the clutch housing (4) and the hydraulic clutch body (3) are fixedly connected.

6. The mechanical isolation clutch with optimized acoustic performance according to claim 1, characterized in that: A sound absorbing cavity (23) is provided on the left side of the driven disk, a sound guide hole (24) is provided inside the driven disk, a limiting ring (16) is provided on the outer side of the middle section of the input shaft (5), the input shaft (5) and the limiting ring (16) are fixedly connected, a sound insulation sleeve (2) is provided on the outer side of the left end of the output shaft (1), a hydraulic clutch body (3) is provided on the right side of the sound insulation sleeve (2), the output shaft (1) and the sound insulation sleeve (2), and the sound insulation sleeve (2) and the hydraulic clutch body (3) are fixedly connected.

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