CN201232722Y

CN201232722Y - Clutch structure

Info

Publication number: CN201232722Y
Application number: CNU2008201249933U
Authority: CN
Inventors: 陆伟铭; 陈申如; 周明选; 詹文斌
Original assignee: Sanyang Industry Co Ltd
Current assignee: Sanyang Industry Co Ltd
Priority date: 2008-07-31
Filing date: 2008-07-31
Publication date: 2009-05-06
Anticipated expiration: 2018-07-31

Abstract

The utility model discloses a clutch structure which includes a rotary shaft, the outer sleeve of a clutch, a drive disc and an elastic board; wherein, the elastic board is arranged between the outer sleeve of the clutch and the drive disc; and the elastic board includes an elastic arm; the elastic arm includes a friction file; the clutch structure is characterized in that the a friction plate is fixedly arranged on the relative rotation path between the surface of the inner side of a disc body and the friction pile; the friction pile of the elastic arm is resisted on the friction plate. The clutch structure has the advantages that the outer sleeve of the clutch is ensured to rotate due to the friction force of the friction pile during the idle speed of an engine by the better friction coupling between the friction plate and the friction pile, thereby driving a rotary shaft fixedly arranged on the outer sleeve of the clutch to be maintained to rotate. The matching of the friction plate and the friction pile can be beneficial to the gear engaging motion during gear shifting, thus being capable of reducing the generation of the abnormal sound and the abrasion of friction slide.

Description

Die clutch construction

Technical field

The utility model relates to the die clutch construction of a kind of vehicle, particularly vehicle.

Background technique

For general vehicle, no matter be automobile or locomotive, the gear that links with engine is all organized and is provided with a clutch, commonly usedly recently is centrifugal clutch, it can provide engine when gear shift, by the coupling of clutch with break away to reach the action of gear gear shift.

With beach buggy now, its engine mainly links a continuous variable transmission and a forward-reverse shelves gear mechanism, and the action that aforesaid beach buggy can be advanced is in the action that then retreats in case of necessity.

Yet, when beach buggy during in idling, advance to convert to retreat or retreat by the state of rest gear shift and be converted in the gearshift procedure that advances, clutch plate on the clutch drive plate is the disconnecting clutch overcoat, clutch outer is stopped the rotation and impel the rotating shaft that is mounted on the clutch outer to stop operating, so can carry out the gear shift action.

When above-mentioned gear shift, gear in the rotating shaft might be not entirely true as yet to being positioned on its corresponding gear of desiring gear shift, that is the same recessed portion of possible its recessed portion meeting of the gear in the rotating shaft corresponding to aforementioned corresponding gear, make that two gears can't very well engagement and reach the gear shift purpose, thereby the situation that causes beach buggy when using, to have some setbacks, and therefore cause the generation of the different sound of gear clash easily, have a strong impact on commodity value, real non-very good.

A kind of friction post that is provided with of Taiwan patent announcement number 200617296 exposure is to improve the gear shift smoothness, to reduce the clutch designs that shakes, and it is similarly this case claimant proposed invention.Above-mentioned die clutch construction is illustrated in Fig. 1, it is provided with an elastic plate 93 between a clutch outer 91 and a drive plate 92, make engine when the idling by the friction post 94 on the elastic plate 93, still can make clutch outer 91 and rotate the gear engagement action in the time of so can being beneficial to gear shift because of the frictional force of friction post 94.

This excelsior spirit of this case claimant improves out the clutch shift assisting agency more practical, that usefulness is better in the back positive research and development of foregoing invention.

The model utility content

The purpose of this utility model provides a kind of die clutch construction, and this die clutch construction can increase friction coupling effect, the different sound of reducing friction, and makes the engine gear shift smooth and easy.

The purpose of this utility model is to realize like this, die clutch construction includes a rotating shaft, a clutch outer and a drive plate, wherein, clutch outer includes a disc, and disc includes a central hole, and this central hole is fixedly arranged on rotating shaft, simultaneously, the outer rim of disc has also extended axially a ring flange, and ring flange and include side ring surface in.

In addition, drive plate includes a driving plate and a plurality of clutch plate, and each clutch plate is hubbed on the driving plate respectively and outwards supports and be resisted against the interior side ring surface of clutch outer by centrifugal force.

Elastic plate of the present utility model is arranged between above-mentioned clutch outer and the drive plate, and this elastic plate includes at least one elastic arm, and this at least one elastic arm also includes a friction post, and it is resisted against the disc of clutch outer.In addition, friction plate is fixedly arranged on the inner surface of disc and position disc and friction the relatively rotating on the path of intercolumniation, and the friction post often is resisted against friction plate.

The material of above-mentioned friction plate can be the non-metallic friction material, be preferably non-asbestos material or with friction post identical material.And the friction plate preferred configuration is to meet between friction post and disc to relatively rotate the annular friction sheet in path, that is relatively rotates entirely and all be equipped with friction plate on the path, to guarantee its friction coupling.

Friction plate can stick together, riveted, lock is paid or other equivalent way and be fixed in the inner surface of disc.

In addition, above-mentioned at least one elastic arm can be mounted between two adjacent each clutch plate, be preferably three elastic arms, and be mounted on drive plate with the isogonism mean allocation, so, elastic arm and clutch plate can not produce any interference, and can carry out the balance adjustment of elastic arm and clutch plate easily, that is drive plate can't produce unbalanced state in rotary course, can reach the purpose of the gear engagement action when being beneficial to gear shift simultaneously.

In addition, it is one tabular that above-mentioned elastic plate can be, and also can be bowl-shape, and elastic plate can be made by steel disc.

The utility model has the advantages that, engine is when idling, though clutch plate and clutch outer are in disengaged position, rotates with the frictional force of friction intercolumniation but still can make clutch outer see through friction plate, and then driving rotating shaft maintenance rotation, the gear engagement in the time of so can being beneficial to gear shift is moved.Because the material of friction plate is different from clutch outer, makes that its friction coupling with the friction post is better, and can use reduce friction different sound and generation of vibration in addition.

Description of drawings

Fig. 1 is known die clutch construction sectional drawing.

Fig. 2 is the die clutch construction exploded view of the utility model first preferred embodiment.

Fig. 3 is the die clutch construction sectional drawing of the utility model first preferred embodiment.

Fig. 4 is the die clutch construction sectional drawing of the utility model second preferred embodiment.

Fig. 5 is the die clutch construction sectional drawing of the utility model the 3rd preferred embodiment.

The primary component symbol description

Die clutch construction 1

elastic plate

21,93

Elastic arm 22

friction posts

221,94

Friction plate 223 riveted spares 23

Locking piece 24 continuous variable transmissions 3

Clutch outer 4,91 discs 41

Central hole 411 inner surfaces 412

Side ring surface 421 in the ring flange 42

Drive plate

5,92 driving plates 51

Clutch plate 52 rotating shafts 6

Embodiment

With reference to figure 2 and Fig. 3, it illustrates die clutch construction sectional drawing of the present utility model and three-dimensional exploded view respectively, above-mentioned die clutch construction 1 includes a rotating shaft 6, a clutch outer 4, a drive plate 5 and a friction plate 223, wherein, clutch outer 4 includes a disc 41, and disc 41 includes a central hole 411, this central hole 411 is to be fixedly arranged on rotating shaft 6, simultaneously, the outer rim of disc 41 has also extended axially a ring flange 42, and ring flange 42 and include side ring surface 421 in.

In addition, the drive plate 5 of die clutch construction 1 includes a driving plate 51 and three clutch plate 52, in present embodiment, each clutch plate 52 is hubbed at respectively on the driving plate 51, and the rotating power that comes by continuous variable transmission 3 transmits, outwards support and be resisted against because of centrifugal force on the interior side ring surface 421 of clutch outer 4, and therefore rotate with rotating shaft 6 by to each other frictional force and then driving clutch outer 4, this is so-called centrifugal clutch.

Again by Fig. 2 and Fig. 3, one elastic plate 21 is arranged between the clutch outer 4 and drive plate 5 of above-mentioned die clutch construction 1, in present embodiment, it is one tabular and made by steel disc that this elastic plate 21 is, and this elastic plate 21 includes three elastic arms 22, and it is mounted on the drive plate 5, simultaneously with the isogonism mean allocation, each elastic arm 22 also includes a friction post 221, and each elastic arm 22 friction post 221 then contact rub on the disc 41 of clutch outer 4.

Be provided with the friction plate 223 of ring-type non-metallic material in the inner surface 412 of disc 41, the position correspondence that is provided with of friction plate 223 contains on the rotation path of friction post 221 with respect to disc 41, so that friction post 221 can be replaced contact friction sheet 223.

Therefore, by Fig. 2 and Fig. 3, the clutch outer 4 of die clutch construction 1 when the engine idling, still can see through friction plate 223 and each elastic arm 22 221 on friction post friction and rotate, and then drive the rotating shaft 6 that is fixedly arranged on the clutch outer 4 and keep rotations.Be mounted on gear and the action of other gear meshing in rotating shaft 6 in the time of so can being beneficial to gear shift, and can use and reduce different sound and generation of vibration.Because casting, the iron material of friction plate 223 non-genus clutch outer 4, the combination that makes friction post 221/ friction plate 223 has better friction coupling and drives effect compared to the combination of friction post 221/ clutch outer 4, also thereby avoided friction post 221 to rub the noise that slide relative is brought takes place when being coupled in clutch outer 4.The brake material that non-metal friction plate 223 is used for general vehicle, preferable material are the material identical with friction post 221 or are non-asbestos friction material.

In addition, in present embodiment, three elastic arms 22 of elastic plate 21 are mounted between the two adjacent clutch plate 52 with the isogonism mean allocation, so make and can not produce interference between elastic arm 22 and the clutch plate 52, and can carry out the balance adjustment of elastic arm 22 and clutch plate 52 easily, that is drive plate 5 can't produce unbalanced state in rotary course, can reach the purpose of the gear engagement action when being beneficial to gear shift simultaneously.

With reference to figure 4, it illustrates the die clutch construction sectional drawing of the utility model second preferred embodiment.The die clutch construction of the present embodiment and first preferred embodiment is roughly the same, and only to be in, friction plate 223 be as rivet and riveted is fixed on the inner surface 412 of disc 41 by a riveted spare 23 to its difference.

With reference to figure 5, it illustrates the die clutch construction sectional drawing of the utility model the 3rd preferred embodiment.The die clutch construction of the present embodiment and first preferred embodiment is roughly the same, and only to be in, friction plate 223 be to lock as screw to pay by a locking piece 24 to be fixed on the inner surface 412 of disc 41 to its difference.

Claims

1. die clutch construction, include a rotating shaft, one clutch outer, one drive plate, an and elastic plate, wherein, this clutch outer includes a disc, this disc includes a central hole, and it is to be fixedly arranged on this rotating shaft, and the outer rim of this disc has also extended axially a ring flange, this ring flange also includes side ring surface in, this drive plate includes a driving plate, and a plurality of clutch plate, these clutch plate are hubbed on this driving plate respectively and outwards support and be resisted against this interior side ring surface of this clutch outer by centrifugal force, this elastic plate is arranged between this clutch outer and this drive plate, and this elastic plate includes an elastic arm, and this elastic arm also includes a friction post;

It is characterized in that:

This disc is in inner surface and be installed with a friction plate on the path with relatively rotating of this friction intercolumniation, and this friction capital of this elastic arm is butted on this friction plate.

2. die clutch construction according to claim 1 is characterized in that this friction plate is fixedly arranged on the inner surface of this disc.

3. die clutch construction according to claim 2 is characterized in that this friction plate is an annular friction sheet.

4. die clutch construction according to claim 1, the quantity that it is characterized in that this elastic arm is three, and the isogonism mean allocation is mounted on the drive plate.

5. die clutch construction according to claim 1 is characterized in that this elastic plate is one tabular.

6. die clutch construction according to claim 1 is characterized in that this elastic plate is made by steel disc.