CN213776212U

CN213776212U - Variable-rigidity torsional damper for automobile clutch

Info

Publication number: CN213776212U
Application number: CN202022523855.6U
Authority: CN
Inventors: 余建钦; 董相谋
Original assignee: Lishui Huazhou Auto Parts Technology Co ltd
Current assignee: Lishui Huazhou Auto Parts Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-23
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a variable stiffness torsional damper for automobile clutch, including driven plate body, auxiliary block, shock absorber spring, buffer, fly leaf, fixed block, accessory plate, driven plate hub, rivet and shock absorber dish, the fixed surface of driven plate body installs the auxiliary block, the right side fixed mounting of auxiliary block has the shock absorber spring, the fixed surface of driven plate body installs buffer, buffer's inside swing joint has the fly leaf, the left side swing joint of fly leaf has the fixed block, the left side fixed mounting of fixed block has the accessory plate, the bottom fixed mounting of accessory plate has the driven plate hub. The utility model discloses a fixed block, fly leaf and buffer's cooperation setting for offset the power of accessory plate side to side beat, also alleviateed the accessory plate and given the pressure of shock absorber spring, both improved the life of this shock absorber, still improved the damping performance of this shock absorber.

Description

Variable-rigidity torsional damper for automobile clutch

Technical Field

The utility model relates to an automobile parts technical field specifically is a variable rigidity torsional damper for automobile clutch.

Background

The torsional vibration damper is an important element in an automobile clutch and mainly comprises an elastic element, a damping element and the like, wherein the spring element is used for reducing the torsional rigidity of the head end of a transmission system, so that certain order natural frequency of the torsional system of the transmission system is reduced, and the natural vibration mode of the system is changed, so that excitation caused by excitation of the main harmonic quantity of the torque of an engine can be avoided; the damping element is used to effectively dissipate vibration energy.

The variable-stiffness torsion damper for the existing automobile clutch is often provided with a damper spring inside a window of an auxiliary plate, and the damper spring is not limited by a limiting column, so that the damper spring is easily damaged after the damper is used for a long time, the elastic potential energy of the damper spring is reduced, and the damping performance of the damper is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable rigidity torsional damper for automobile clutch to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the variable-stiffness torsion damper for the automobile clutch comprises a driven disc body, an auxiliary block, a damper spring, a buffering device, a movable plate, a fixed block, an auxiliary plate, a driven disc hub, rivets and a damper disc, wherein the auxiliary block is fixedly mounted on the surface of the driven disc body, the damper spring is fixedly mounted on the right side of the auxiliary block, the buffering device is fixedly mounted on the surface of the driven disc body, the movable plate is movably connected inside the buffering device, the fixed block is movably connected to the left side of the movable plate, the auxiliary plate is fixedly mounted on the left side of the fixed block, the driven disc hub is fixedly mounted at the bottom end of the auxiliary plate, the rivets are fixedly mounted on the surface of the driven disc body, and the damper disc is arranged on the surface of each rivet.

The buffer device comprises a U-shaped block, a fixed rod, a movable block and a buffer spring, the U-shaped block is fixedly mounted on the surface of the driven disc body, the fixed rod is fixedly mounted inside the U-shaped block, the movable block is movably connected to the surface of the fixed rod, and the buffer spring is fixedly mounted on the right side of the movable block.

Preferably, the right side of the auxiliary block is fixedly provided with a limiting column, and the damper spring is arranged on the surface of the limiting column.

Preferably, the movable structure composed of the fixed block, the movable plate and the buffer device is symmetrically arranged in the center of the auxiliary plate.

Preferably, a first window is formed in the auxiliary plate, and a vibration damping mechanism consisting of the auxiliary block, the vibration damper spring and the limiting column is arranged in the first window.

Preferably, the damper spring and the limiting column are symmetrically arranged with the center of the auxiliary block.

Preferably, a second window is formed in the shock absorber disc, and a shock absorption mechanism consisting of the auxiliary block, the shock absorber spring and the limiting column is arranged in the second window.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the variable-stiffness torsion damper for the automobile clutch, the auxiliary block, the damper springs and the limiting columns are arranged in a matched mode, so that when the damper springs are subjected to the rotating force of the auxiliary plate, the damper springs can be limited by the limiting columns, and the two damper springs are arranged in the window of the auxiliary plate, so that the service life of the damper is prolonged.

2. The variable-stiffness torsional vibration damper for the automobile clutch is matched with the fixed block, the movable plate and the buffer device, so that the force of the auxiliary plate for swinging left and right is counteracted, the pressure applied to a spring of the vibration damper by the auxiliary plate is also reduced, the service life of the vibration damper is prolonged, and the vibration damping performance of the vibration damper is also improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a top view of the damping mechanism of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a driven disc body; 2. an auxiliary block; 3. a damper spring; 4. a buffer device; 401. a U-shaped block; 402. fixing the rod; 403. a movable block; 404. a buffer spring; 5. a movable plate; 6. a fixed block; 7. an auxiliary plate; 8. a driven disc hub; 9. riveting; 10. a damper disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a variable-stiffness torsion damper for an automobile clutch comprises a driven disc body 1, an auxiliary block 2, a damper spring 3, a buffer device 4, a movable plate 5, a fixed block 6, an auxiliary plate 7, a driven disc hub 8, rivets 9 and a damper disc 10, wherein the surface of the driven disc body 1 is fixedly provided with the auxiliary block 2, the right side of the auxiliary block 2 is fixedly provided with a limiting column, the damper spring 3 is arranged on the surface of the limiting column, the right side of the auxiliary block 2 is fixedly provided with the damper spring 3, the damper spring 3 and the limiting column are symmetrically arranged with the center of the auxiliary block 2, the surface of the driven disc body 1 is fixedly provided with the buffer device 4, the inner part of the buffer device 4 is movably connected with the movable plate 5, the left side of the movable plate 5 is movably connected with the fixed block 6, and a movable structure consisting of the fixed block 6, the movable plate 5 and the buffer device 4 is symmetrically arranged with the center of the auxiliary plate 7, the left side fixed mounting of fixed block 6 has accessory plate 7, first window has been seted up to accessory plate 7's inside, and accessory block 2, the damping mechanism that shock absorber spring 3 and spacing post are constituteed sets up in first window, the bottom fixed mounting of accessory plate 7 has driven plate hub 8, the fixed surface of driven plate body 1 installs rivet 9, the surface of rivet 9 is equipped with shock absorber dish 10, the second window has been seted up to shock absorber dish 10's inside, and accessory block 2, the damping mechanism that shock absorber spring 3 and spacing post are constituteed sets up in the second window.

The buffer device 4 comprises a U-shaped block 401, a fixed rod 402, a movable block 403 and a buffer spring 404, the U-shaped block 401 is fixedly mounted on the surface of the driven disc body 1, the fixed rod 402 is fixedly mounted inside the U-shaped block 401, the movable block 403 is movably connected to the surface of the fixed rod 402, and the buffer spring 404 is fixedly mounted on the right side of the movable block 403.

The working principle is as follows: when the clutch transmits the torque of an engine, the friction torque borne by the driven disc is firstly transmitted to the driven disc body 1 and the shock absorber disc 10 and then transmitted to the driven disc hub 8 through the shock absorber springs 3, when the shock absorber springs 3 transmit the torque, the springs are compressed to absorb the impact caused by torque fluctuation, meanwhile, the torsional vibration of the transmission system enables the driven disc hub 8 to oscillate back and forth relative to the driven disc body 1 and the shock absorber disc 10, the auxiliary plate 7 swings, and when the auxiliary plate 7 rotates rightwards, the shock absorber springs 3 are compressed while being limited by the limiting columns, the elastic potential energy of the shock absorber springs 3 can counteract one component force of the rightwards rotation of the auxiliary plate 7, meanwhile, the movable block 403 is driven to move rightwards on the surface of the fixed rod 402 by the fixed block 6, the buffer springs 404 give opposite force to the movable block 403, namely, the movable block 403 enables the fixed block 6 to counteract the other component force of the rightwards rotation of the auxiliary plate 7 through the movable block 5, when the auxiliary plate 7 rotates leftwards, the force of the auxiliary plate 7 rotating leftwards is counteracted according to the above mode, the energy of the torsional vibration can be consumed, so that the vibration is attenuated, the force of the auxiliary plate 7 swinging leftwards and rightwards is counteracted through the matching arrangement of the fixed block 6, the movable plate 5 and the buffer device 4, the pressure of the auxiliary plate 7 on the spring 3 of the shock absorber is also reduced, the service life of the shock absorber is prolonged, and the shock absorption performance of the shock absorber is also improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a variable rigidity torsional damper for automobile clutch, includes driven plate body (1), supplementary piece (2), shock absorber spring (3), buffer (4), fly leaf (5), fixed block (6), accessory plate (7), driven plate hub (8), rivet (9) and shock absorber dish (10), its characterized in that: an auxiliary block (2) is fixedly mounted on the surface of the driven disc body (1), a shock absorber spring (3) is fixedly mounted on the right side of the auxiliary block (2), a buffer device (4) is fixedly mounted on the surface of the driven disc body (1), a movable plate (5) is movably connected inside the buffer device (4), a fixed block (6) is movably connected to the left side of the movable plate (5), an auxiliary plate (7) is fixedly mounted on the left side of the fixed block (6), a driven disc hub (8) is fixedly mounted at the bottom end of the auxiliary plate (7), rivets (9) are fixedly mounted on the surface of the driven disc body (1), and a shock absorber disc (10) is arranged on the surface of the rivets (9);

buffer (4) include U-shaped piece (401), dead lever (402), movable block (403) and buffer spring (404), the fixed surface of driven plate body (1) installs U-shaped piece (401), the inside fixed mounting of U-shaped piece (401) has dead lever (402), the surface swing joint of dead lever (402) has movable block (403), the right side fixed mounting of movable block (403) has buffer spring (404).

2. The variable stiffness torsional vibration damper of claim 1, wherein: the right side of the auxiliary block (2) is fixedly provided with a limiting column, and the shock absorber spring (3) is arranged on the surface of the limiting column.

3. The variable stiffness torsional vibration damper of claim 1, wherein: the movable structure composed of the fixed block (6), the movable plate (5) and the buffer device (4) is symmetrically arranged by the center of the auxiliary plate (7).

4. The variable stiffness torsional vibration damper of claim 1, wherein: a first window is formed in the auxiliary plate (7), and a vibration damping mechanism consisting of the auxiliary block (2), the vibration damper spring (3) and the limiting column is arranged in the first window.

5. The variable stiffness torsional vibration damper of claim 1, wherein: the shock absorber spring (3) and the limiting column are symmetrically arranged with the center of the auxiliary block (2).

6. The variable stiffness torsional vibration damper of claim 1, wherein: a second window is formed in the shock absorber disc (10), and a shock absorption mechanism consisting of the auxiliary block (2), the shock absorber spring (3) and the limiting column is arranged in the second window.