CN215567465U

CN215567465U - 430 push-type clutch of AMT automatic gear weight block

Info

Publication number: CN215567465U
Application number: CN202121219010.6U
Authority: CN
Inventors: 许文磊; 胡圳; 张开贺; 席晨; 苗能
Original assignee: Nanchang Jiunai Automobile Clutch Co ltd
Current assignee: Nanchang Jiunai Automobile Clutch Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-18
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an AMT automatic weight-blocking card 430 push-type clutch, which relates to the technical field of clutches and comprises a clutch cover, wherein a pressure plate is arranged in the clutch cover, diaphragm springs are uniformly and annularly distributed on the front side of the pressure plate, the diaphragm springs are arranged in the clutch cover, pre-tightening springs are annularly and uniformly distributed on the clutch cover, the cross sections of the pre-tightening springs are U-shaped structures, the pre-tightening springs sequentially penetrate through the clutch cover and the diaphragm springs, and the inner side surfaces, close to each other, of the pre-tightening springs are respectively in contact with the surface of the clutch cover and the surface of the diaphragm springs. The utility model has small axial installation distance, is convenient for the layout of an engine and a gearbox, can overcome the influence of the deformation of the clutch cover on the performance by arranging the pre-tightening spring, transfers the deformation of the clutch cover to the same direction by utilizing the load characteristic and the separation characteristic through the pre-tightening spring, and is uniformly distributed on the bearing points of the reinforcing ribs of the clutch cover.

Description

430 push-type clutch of AMT automatic gear weight block

Technical Field

The utility model relates to the technical field of clutches, in particular to an AMT (automated mechanical Transmission) automatic weight shifting card 430 push-type clutch.

Background

The AMT commercial vehicle heavy truck clutch is a potential clutch with bright domestic prospect and future development trend; the existing market has less amount of reserves, mainly the European Mandarin heavy truck has higher growth in recent two years. However, at present, the clutch is mainly based on joint-investment brand and import, and the development of the domestic clutch is greatly restricted. In order to ensure that the AMT clutch can smoothly and automatically switch gears, the research and development core of the clutch lies in that the axial surface compression performance of a driven plate assembly has good reliability and attenuation resistance, and the load characteristic and the separation characteristic of a pressure plate assembly have certain stability; thereby ensuring stability of the clutch throughout its life. In addition, the AMT clutch is integrated with an electric control system, and the clutch can directly and accurately output parameter data of various performances of a product to the electric control system, so that automatic gear shifting is completed.

The existing AMT heavy truck clutch has larger axial installation space, influences the layout of an engine and a gearbox, and simultaneously, the existing clutch cover is easy to deform, thereby damaging the overall structure of the clutch. In view of this, we propose an AMT auto-weight shift card 430 push-clutch.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an AMT auto weight block 430 push-type clutch to solve the above-mentioned problems. In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an AMT keeps off heavily card 430 pushing-type clutch automatically, includes the clutch case, install the pressure disk in the clutch case, clutch case surface is equipped with evenly distributed's strengthening rib, the pressure disk front side is equipped with the diaphragm spring of evenly distributed ring shape, annular evenly distributed has the pretension spring on the clutch cover, pretension spring cross section is U type structure, just the pretension spring runs through clutch case and diaphragm spring in proper order, the medial surface that the pretension spring is close to each other respectively with clutch case surface and diaphragm spring surface contact.

As a further scheme of the utility model: and supporting rings are arranged on two sides of the diaphragm spring, and one side, far away from the diaphragm spring, of each supporting ring is respectively contacted with the pre-tightening spring and the clutch cover.

As a further scheme of the utility model: one end of the diaphragm spring is clamped with an elastic clamping block, and the elastic clamping block penetrates through the pre-tightening spring.

As a further scheme of the utility model: the elastic clamping block is internally provided with an elastic compression block which is annularly arranged and can be radially compressed, and the elastic compression block is arranged at one end of the diaphragm spring.

As a further scheme of the utility model: and the edge of the clutch cover is provided with a limiting sleeve, and the limiting sleeve is connected with the pressure plate through a bolt.

As a further scheme of the utility model: the limiting sleeve is arranged on the surface of the clutch cover in a suspending mode.

As a further scheme of the utility model: and the peripheral edge position of the clutch cover is connected with a balance screw.

Has the advantages that:

1. the pressure plate and the diaphragm spring inside the clutch cover are both arranged inside the clutch cover, and one side of the pre-tightening spring is in contact with the surface of the clutch cover, so that the volume of the clutch cover is greatly reduced.

2. The utility model adopts the setting of the pre-tightening spring, solves the characteristic that the clutch cover in the push type clutch is easy to deform through the pre-tightening spring, and has the principle that the deformation generated by the clutch cover is finally transferred to the same direction through the transmission action of the pre-tightening spring by utilizing the load characteristic and the separation characteristic and is uniformly distributed on the bearing points of the reinforcing ribs of the clutch cover, and the pre-tightening spring adopts a split structure, thereby being convenient for processing and saving the cost.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a left side sectional structural view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

in the figure: 1. a clutch cover; 2. a platen; 3. a diaphragm spring; 4. a backup ring; 5. a limiting sleeve; 6. pre-tightening the spring; 7. a balance screw; 8. an elastic clamping block; 9. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme:

as shown in fig. 1-3, an AMT automatic weight-blocking card 430 push-type clutch comprises a clutch cover 1, wherein the clutch cover 1 adopts a structure of thickening and optimizing a reinforcing rib 9 to meet the application of a follow-up vehicle model with larger horsepower and ensure the stability of the clutch, a pressure plate 2 is installed in the clutch cover 1, the pressure plate 2 adopts an air blast heat dissipation design, the weight is taken into consideration, and the air blast heat dissipation effect can be achieved at the same time, the surface of the clutch cover 1 is provided with uniformly distributed reinforcing ribs 9, the front side of the pressure plate 2 is provided with uniformly and annularly distributed diaphragm springs 3, the diaphragm springs 3 adopt a streamlined design to eliminate fatigue stress as much as possible, the windows and the outer circles of the diaphragm springs 3 adopt a cold extrusion mode to improve the service life of a product, the pressure plate 2 and the diaphragm springs 3 in the AMT invention are both arranged in the clutch cover 1, and one side of a pre-tightening spring 6 is in contact with the surface of the clutch cover 1, the volume of the utility model is greatly reduced, the axial installation space is smaller, the layout of an engine and a gearbox is convenient, the required space is convenient to provide for the integration of an electric control system, the preloading springs 6 are uniformly distributed on the clutch cover 1 in an annular manner, the cross sections of the preloading springs 6 are U-shaped structures, the preloading springs 6 sequentially penetrate through the clutch cover 1 and the diaphragm spring 3, the inner side surfaces of the preloading springs 6 which are close to each other are respectively contacted with the surface of the clutch cover 1 and the surface of the diaphragm spring 3, the easy deformation characteristic of the clutch cover 1 in the push-type clutch is solved through the preloading springs 6, the principle is that the deformation generated by the clutch cover 1 is finally transferred to the same direction through the transmission action of the preloading springs 6 by utilizing the load characteristic and the separation characteristic, and the deformation is uniformly distributed on the bearing points of the reinforcing ribs 9 of the clutch cover 1, the preloading springs 6 adopt a split structure, even if the processing is convenient, but also can save the cost.

Further scheme: the two sides of the diaphragm spring 3 are both provided with the supporting rings 4, one side of each supporting ring 4, which is far away from the diaphragm spring 3, is respectively contacted with the pre-tightening spring 6 and the clutch cover 1, and through the arrangement of the supporting rings 4, on one hand, the connection stability of the diaphragm spring 3 can be stabilized, on the other hand, the structure for connecting the pre-tightening spring 6 can be stably supported, and the pre-tightening spring 6 can be stably connected to the clutch cover 1.

Further scheme: elastic clamping block 8 is connected to one end of diaphragm spring 3 in a clamping mode, elastic clamping block 8 penetrates through pre-tightening spring 6, and elastic clamping block supports structures of pre-tightening spring 6 and diaphragm spring 3.

Further scheme: be equipped with the annular in the elasticity chucking piece 8 and arrange and the elasticity compression piece that can radially compress, elasticity compression piece is installed in diaphragm spring 3's one end, through with elasticity compression piece joint in diaphragm spring 3's one end, because elasticity compression piece can radially compress, behind elasticity compression piece card advances diaphragm spring 3, through elasticity compression piece's shrink and chucking, the structure of fixed diaphragm spring 3 that can be better.

Further scheme: the limiting sleeve 5 is arranged at the edge of the clutch cover 1, the limiting sleeve 5 is connected with the pressure plate 2 through a bolt, the limiting sleeve 5 is convenient to stably connect the limiting sleeve 5 with the pressure plate 2, meanwhile, the position of the pressure plate 2 can be limited, and the limiting sleeve 5 can protect the clutch cover from being impacted in the transportation, disassembly and installation processes without affecting the performance of the clutch cover.

Further scheme: stop collar 5 suspension sets up on clutch case 1 surface, and stop collar 5 can reciprocate along with the separation of pressure disk 2, the process of being convenient for install and dismantling pressure disk 2.

Further scheme: the peripheral edge position of the clutch cover 1 is connected with a balance screw 7, and the balance screw 7 stabilizes the structure of the clutch cover 1 and prevents the clutch cover 1 from being damaged.

The working principle is as follows: in the working process of the clutch, after the clutch cover 1 is subjected to external force, the clutch cover 1 bears acting force, the deformation generated by the clutch cover 1 is finally transferred to the same direction through the transmission action of the pre-tightening spring 6 by utilizing the load characteristic and the separation characteristic, and the deformation is uniformly distributed on the bearing points of the reinforcing ribs 9 of the clutch cover 1, so that the problem that the clutch cover 1 is easy to deform is solved.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An AMT automatic weight-blocking card 430 push-type clutch, which comprises a clutch cover (1), and is characterized in that: install pressure disk (2) in clutch case (1), clutch case (1) surface is equipped with evenly distributed's strengthening rib (9), pressure disk (2) front side is equipped with diaphragm spring (3) that even annular distributes, diaphragm spring (3) set up in clutch case (1), annular evenly distributed has pretension spring (6) on clutch case (1), pretension spring (6) cross section is U type structure, just pretension spring (6) run through clutch case (1) and diaphragm spring (3) in proper order, the medial surface that pretension spring (6) are close to each other respectively with clutch case (1) surface and diaphragm spring (3) surface contact.

2. The AMT auto weight truck 430 push-clutch of claim 1, wherein: supporting rings (4) are arranged on two sides of the diaphragm spring (3), and one side, far away from the diaphragm spring (3), of each supporting ring (4) is in contact with the pre-tightening spring (6) and the clutch cover (1) respectively.

3. The AMT auto weight truck 430 push-clutch of claim 1, wherein: an elastic clamping block (8) is clamped at one end of the diaphragm spring (3), and the elastic clamping block (8) penetrates through the pre-tightening spring (6).

4. The AMT auto weight truck 430 push-clutch of claim 3, wherein: the elastic clamping block (8) is internally provided with an elastic compression block which is annularly arranged and can be radially compressed, and the elastic compression block is arranged at one end of the diaphragm spring (3).

5. The AMT auto weight truck 430 push-clutch of claim 1, wherein: the clutch cover is characterized in that a limiting sleeve (5) is arranged at the edge of the clutch cover (1), and the limiting sleeve (5) is connected with the pressure plate (2) through a bolt.

6. The AMT auto weight truck 430 push-clutch of claim 5, wherein: the limiting sleeve (5) is arranged on the surface of the clutch cover (1) in a suspending manner.

7. The AMT auto weight truck 430 push-clutch of claim 1, wherein: and a balance screw (7) is connected to the peripheral edge of the clutch cover (1).