CN215110188U - High-performance and high-comfort pickup clutch - Google Patents

Abstract

The utility model discloses a high-performance high-comfort pickup clutch, which relates to the field of automobile clutches, and adopts a method of optimizing structural design, on one hand, a phi 300 clutch driven disc assembly keeps stable main structure and general use of main parts in a specified space, but leaves enough installation space for elastic elements with different mechanical properties; on the other hand, the torsion damping system of the clutch driven disc assembly can adapt to the requirements of torsional rigidity, idle speed damping moment and maximum damping moment, so that the vibration and noise of a vehicle transmission system are greatly improved, and the problems of early product development and high mold investment cost caused by the need of developing various clutches with the same specification in the prior art are avoided; the yield of a single variety cannot reach economic batch; high cost of production and management of various products.

Description

High-performance and high-comfort pickup clutch

Technical Field

The utility model relates to an automobile clutch's field, concretely relates to high-performance high travelling comfort pick-up clutch.

Background

In the last 20 th century, the pickup product first appeared in the united states, where it was a very practical and common vehicle. The pickup card can be used as a special vehicle, a multi-purpose vehicle, a public service vehicle, a business vehicle, a household vehicle, a cargo carrying vehicle, a tour vehicle, a taxi vehicle and the like. With the proliferation of the U.S. pick-up market, pick-ups have also extended to other regions of the world.

Nowadays, the consumption of high-grade luxury pickup cards is rapidly rising, and the function of the pickup cards is trending to middle and high-grade cars and multifunctional vehicles. With the increasingly European beautification of Chinese lifestyles, pickup vehicles have received the pursuit of many Chinese people. Particularly, some domestic rich levels do not meet the identity feeling brought by sports cars and SUVs, and pursue a large pickup which draws wind specially and independently.

Pickup is an important component of the automotive market. Pick-up is a car model which adopts a car head and a cab and is provided with an open type truck carriage. Its advantages are high comfortableness, no loss of power, and high load-bearing power. The company improves the traditional clutch aiming at the characteristics of a pickup vehicle type, and develops the pickup clutch with high comfort.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a high-performance and high-comfort pickup clutch, on one hand, the driven disc assembly of the phi 300 clutch is kept in a specified space, the main structure is kept stable, the main parts are universal, and on the other hand, enough installation space is reserved for elastic elements with different mechanical properties; on the other hand, the torsion damping system of the clutch driven disc assembly can adapt to the requirements of torsional rigidity, idle speed damping moment and maximum damping moment, so that the vibration and noise of a vehicle transmission system are greatly improved, and the problems of early product development and high mold investment cost caused by the need of developing various clutches with the same specification in the prior art are avoided; the yield of a single variety cannot reach economic batch; high cost of production and management of various products.

The purpose of the utility model is accomplished through following technical scheme: the high-performance high-comfort pickup clutch comprises an outer damping disc, an inner damping disc, an outer driven disc, an inner driven disc, an outer disc hub, friction plates, a driving disc, a spring clamping disc and a disc hub core, wherein the spring clamping disc is embedded in the inner damping disc, the driving disc and the disc hub core are fixed in a spline fit mode, and the disc hub core is used for being connected with a transmission shaft; the hub core and the outer hub are centered and relatively rotated through spline connection, and when the hub core and the outer hub rotate relatively, idle damping torque is generated through compression springs uniformly distributed on the driving disc and the spring clamping disc, so that the clutch is in an idle damping working state; when the hub core rotates to the limit position relative to the outer hub, the side faces of the spline and the outer hub are in contact with each other, so that the clutch enters a main vibration reduction working state; a spring piece is embedded in the friction piece and fixed on the flywheel side of the friction piece through a friction piece rivet, the outer driven plate is fixed on the spring piece through a spring piece rivet, the outer vibration reduction plate and the outer driven plate are connected and fixed through a supporting block to form an outer ring vibration reduction assembly, the inner vibration reduction plate and the inner driven plate are connected and fixed through a supporting pin to form an inner ring vibration reduction assembly, and the outer ring vibration reduction assembly is sleeved on the inner ring vibration reduction assembly through a positioning ring so that the outer ring vibration reduction assembly is centered and rotates relative to the outer ring of the inner ring vibration reduction assembly; the inner ring vibration reduction assembly is supported on the outer hub through a supporting pin and rotates relatively, and the damping washer and the disc spring are tightly pressed between the inner ring vibration reduction assembly and the outer hub, so that friction damping torque is generated when the inner ring vibration reduction assembly rotates relative to the outer hub and is used for damping vibration; a plurality of outer ring windows are uniformly distributed on the outer ring vibration attenuation component and used for installing a main vibration attenuation outer ring spring component, a primary torsion angle is formed through compression of the main vibration attenuation outer ring spring component, primary buffering vibration attenuation is achieved, a plurality of inner ring windows are uniformly distributed on the inner ring vibration attenuation component and used for installing a main vibration attenuation inner ring spring component, a secondary torsion angle is formed through compression of the main vibration attenuation inner ring spring component, and further buffering vibration attenuation is achieved through superposition of the primary torsion angle.

As a further technical scheme, the damping device further comprises a large main damping outer ring spring and small main damping outer ring springs, wherein each small main damping outer ring spring is sleeved with one large main damping outer ring spring to form a group of main damping outer ring spring assemblies, and the large main damping outer ring springs are arranged in a gap between the outer damping disc and the outer driven disc.

As a further technical scheme, six groups of main vibration reduction outer ring spring assemblies are uniformly distributed on the outer ring vibration reduction assembly.

As a further technical scheme, the damping device further comprises large main damping inner ring springs and small main damping inner ring springs, wherein each small main damping inner ring spring is sleeved with one large main damping inner ring spring to form a group of main damping inner ring spring assemblies, and the large main damping inner ring springs are arranged in gaps between the inner damping discs and the inner driven discs.

As a further technical scheme, four groups of main vibration reduction inner ring spring assemblies are uniformly distributed on the inner ring vibration reduction assembly.

As a further technical scheme, the number of the compression springs is 2 or 4.

The utility model has the advantages that: in the space defined by the driven disc assembly with the specification of 300mm, the main damping torque reaches 1500 N.m, the damping rotation angle can reach 25 degrees in the forward direction, and the reverse direction is 20 degrees. Can meet the strict requirements of the pickup truck on comfort, bearing capacity and trafficability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view taken at P-P of fig. 1.

Fig. 3 is a schematic structural diagram of the main damping system of the present invention.

Fig. 4 is a partially enlarged schematic view of the region I in fig. 2.

Fig. 5 is a graph showing the torsional vibration damping curve of the present invention.

Description of reference numerals: the damping device comprises a supporting block 1, an outer damping disc 2, a large main damping outer ring spring 3, a small main damping outer ring spring 4, a supporting pin 5, an inner damping disc 6, an outer driven disc 7, an inner driven disc 8, an outer disc hub 9, a damping washer 10, a disc spring 11, a large main damping inner ring spring 12, a small main damping inner ring spring 13, a positioning ring 14, a friction plate rivet 15, a spring piece 16, a friction plate 17, a driving disc 18, a compression spring 19, a spring clamping disc 20, a disc hub core 21 and a spring piece rivet 22.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example (b): as shown in fig. 1 to 4, the high-performance high-comfort pickup clutch comprises an outer damping disc 2, an inner damping disc 6, an outer driven disc 7, an inner driven disc 8, an outer disc hub 9, friction plates 17, a driving disc 18, a spring clamping disc 20 and a disc hub core 21, wherein the spring clamping disc 20 is embedded in the inner damping disc 6, the driving disc 18 with external splines and the disc hub core 21 with internal splines are fixed in a spline fit mode, and the disc hub core 21 is used for being connected with a transmission shaft; the hub core 21 with the internal spline and the outer hub 9 are centered and relatively rotated through spline connection, and when the hub core and the outer hub 9 are relatively rotated, an idle damping torque is generated through the compression springs 19 uniformly distributed on the driving disc 18 and the spring clamping disc 20, so that the clutch is in an idle damping working state (preferably, the number of the compression springs 19 is 2 or 4, so that the idle damping stiffness can be selected in 2 ways, the coverage range reaches 4-8 N.m per degree, and the requirement of the existing pickup truck on the idle damping stiffness can be completely met); when the hub core 21 rotates to the limit position relative to the outer hub 9, the side faces of the matched splines of the hub core and the outer hub are contacted, so that the clutch enters a main vibration reduction working state.

Referring to the attached drawing 2, a mounting spring plate 16 is embedded in a friction plate 17, the spring plate 16 is fixed on the flywheel side of the friction plate 17 through a friction plate rivet 15, an outer driven plate 7 is fixed on the spring plate 16 through a spring plate rivet 22, the outer damping plate 2 and the outer driven plate 7 are connected and fixed through a supporting block 1 to form an outer ring damping assembly, an inner damping plate 6 and an inner driven plate 8 are connected and fixed through a supporting pin 5 to form an inner ring damping assembly, and the outer ring damping assembly is sleeved on the inner ring damping assembly through a positioning ring 14 to enable the outer ring damping assembly to be centered and relatively rotated with the outer circle of the inner ring damping assembly; the inner ring vibration reduction assembly is supported on the outer hub 9 through the supporting pin 5 and rotates relatively, and the damping washer 10 and the disc spring 11 are tightly pressed between the inner ring vibration reduction assembly and the outer hub 9, so that friction damping torque is generated when the inner ring vibration reduction assembly rotates relative to the outer hub 9 and is used for damping vibration.

Referring to the attached drawings 1 and 3, six outer ring windows are uniformly distributed on the outer ring vibration damping assembly and used for mounting six groups of main vibration damping outer ring spring assemblies, a large main vibration damping outer ring spring 3 is sleeved outside each small main vibration damping outer ring spring 4 to form a group of main vibration damping outer ring spring assemblies, and the large main vibration damping outer ring spring 3 is arranged in a gap between the outer vibration damping disc 2 and the outer driven disc 7.

Four inner ring windows are uniformly distributed on the inner ring vibration reduction assembly and used for mounting four groups of main vibration reduction inner ring spring assemblies, a large main vibration reduction inner ring spring 12 is sleeved outside each small main vibration reduction inner ring spring 13 to form a group of main vibration reduction inner ring spring assemblies, and the large main vibration reduction inner ring springs 12 are arranged in a gap between the inner vibration reduction disc 6 and the inner driven disc 8.

When the clutch is in main damping operating condition, the compression through main damping outer lane spring unit forms a torsion angle, realizes preliminary buffering damping, forms the secondary torsion angle through main damping inner lane spring unit's compression to with a torsion angle stack, thereby realize the big corner of main damping, further cushion the damping, reach high performance high travelling comfort.

The utility model discloses a theory of operation: when the engine is in an idling state, the generated vibration is transmitted to the hub core 21 by the transmission shaft, at the moment, the hub core 21 and the outer hub 9 rotate relatively, and an idling vibration damping moment is generated by four compression springs 19 uniformly distributed on the driving disc 18 and the spring clamping disc 20; the magnitude of the idle damping moment depends on the number and the rigidity of the compression springs 19, and the compression springs 19 must be symmetrically arranged from the engineering point of view, so that the number of the mountable springs is 2-2 or 4, the idle damping rigidity can be selected in 2 ways, the coverage range reaches 4-8 N.m per degree, and the requirement of the current pickup truck on the idle damping rigidity can be completely met.

When the hub core 21 and the outer hub 9 rotate relatively to the limit position, the side faces of the matched splines of the hub core and the outer hub are contacted, and the clutch enters a main vibration reduction working state. When the main damping system works, firstly, springs (namely a large main damping outer ring spring 3 and a small main damping outer ring spring 4) on an outer ring damping assembly are compressed and transmitted to springs (namely a large main damping inner ring spring 12 and a small main damping inner ring spring 13) on an inner ring damping assembly, all damping springs work together, and impact in the process of combining a buffer clutch and transmitting power is buffered. Referring to fig. 4, during relative rotation of the inner ring damping assembly and the outer hub 9, the damping washer 10 and the inner driven disc 8 generate a certain frictional damping torque for damping vibration due to the disc spring 11. The main vibration reduction system is superposed through the torsion angle compressed by the outer ring vibration reduction assembly spring and the torsion angle compressed by the inner ring vibration reduction assembly spring, so that the large rotation angle of main vibration reduction is realized, and high-performance and high-comfort are achieved. The torsion damping curve of the present invention is shown in fig. 5.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims (6)

1. The utility model provides a high travelling comfort pick-up clutch of high performance which characterized in that: the damping device comprises an outer damping disc (2), an inner damping disc (6), an outer driven disc (7), an inner driven disc (8), an outer disc hub (9), a friction plate (17), a driving disc (18), a spring clamping disc (20) and a disc hub core (21), wherein the spring clamping disc (20) is embedded in the inner damping disc (6), the driving disc (18) and the disc hub core (21) are fixed in a spline fit mode, and the disc hub core (21) is used for being connected with a transmission shaft; the hub core (21) and the outer hub (9) are centered and relatively rotated through spline connection, and when the hub core and the outer hub rotate relatively, idle damping torque is generated through compression springs (19) uniformly distributed on a driving disc (18) and a spring clamping disc (20), so that the clutch is in an idle damping working state; when the hub core (21) rotates to the limit position relative to the outer hub (9), the side faces of the spline which is matched with the hub core and the outer hub are contacted, so that the clutch enters a main vibration reduction working state; the damping device is characterized in that a spring piece (16) is embedded into the friction plate (17), the spring piece (16) is fixed on the flywheel side of the friction plate (17) through a friction plate rivet (15), the outer driven plate (7) is fixed on the spring piece (16) through a spring piece rivet (22), the outer damping plate (2) and the outer driven plate (7) are fixedly connected through a supporting block (1) to form an outer ring damping assembly, the inner damping plate (6) and the inner driven plate (8) are fixedly connected through a supporting pin (5) to form an inner ring damping assembly, and the outer ring damping assembly is sleeved on the inner ring damping assembly through a positioning ring (14) so that the outer ring damping assembly is centered and rotates relative to the outer circle of the inner ring damping assembly; the inner ring vibration reduction assembly is supported on the outer hub (9) through a supporting pin (5) and rotates relatively, and a damping washer (10) and a disc spring (11) are tightly pressed between the inner ring vibration reduction assembly and the outer hub (9), so that the inner ring vibration reduction assembly generates friction damping torque when rotating relatively to the outer hub (9) and is used for damping vibration; a plurality of outer ring windows are uniformly distributed on the outer ring vibration attenuation component and used for installing a main vibration attenuation outer ring spring component, a primary torsion angle is formed through compression of the main vibration attenuation outer ring spring component, primary buffering vibration attenuation is achieved, a plurality of inner ring windows are uniformly distributed on the inner ring vibration attenuation component and used for installing a main vibration attenuation inner ring spring component, a secondary torsion angle is formed through compression of the main vibration attenuation inner ring spring component, and further buffering vibration attenuation is achieved through superposition of the primary torsion angle.

2. The high performance high comfort pick-up clutch of claim 1, wherein: the damping device is characterized by further comprising large main damping outer ring springs (3) and small main damping outer ring springs (4), wherein each small main damping outer ring spring (4) is sleeved with one large main damping outer ring spring (3) to form a group of main damping outer ring spring assemblies, and the large main damping outer ring springs (3) are arranged in gaps between the outer damping discs (2) and the outer driven discs (7).

3. The high performance high comfort pick-up clutch of claim 1, wherein: six groups of main damping outer ring spring assemblies are uniformly distributed on the outer ring damping assembly.

4. The high performance high comfort pick-up clutch of claim 1, wherein: the damping device is characterized by further comprising large main damping inner ring springs (12) and small main damping inner ring springs (13), wherein each small main damping inner ring spring (13) is sleeved with one large main damping inner ring spring (12) to form a group of main damping inner ring spring assemblies, and the large main damping inner ring springs (12) are arranged in gaps between the inner damping discs (6) and the inner driven discs (8).

5. The high performance high comfort pick-up clutch of claim 1, wherein: four groups of main vibration reduction inner ring spring assemblies are uniformly distributed on the inner ring vibration reduction assembly.

6. The high performance high comfort pick-up clutch of claim 1, wherein: the number of the compression springs (19) is 2 or 4.

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