CN103161848A

CN103161848A - Multi-plate type centrifugal clutch

Info

Publication number: CN103161848A
Application number: CN2011104200766A
Authority: CN
Inventors: 赖建宏
Original assignee: Kwang Yang Motor Co Ltd
Current assignee: Kwang Yang Motor Co Ltd
Priority date: 2011-12-15
Filing date: 2011-12-15
Publication date: 2013-06-19
Anticipated expiration: 2031-12-15
Also published as: CN103161848B

Abstract

A multi-plate type centrifugal clutch comprises a shell body unit, a friction unit and a driving unit. The shell body unit comprises a convex hub and an outer shell arranged on the convex hub in a covering mode. The friction unit comprises a plurality of friction plates respectively arranged on the convex hub and in the outer shell at intervals. The driving unit comprises an installation seat arranged in the outer shell and a plurality of swing pieces arranged on the installation seat at interval with identical angles in a pivot mode. The multi-plate type centrifugal clutch utilizes the swing pieces which are arranged on the installation seat at intervals with the identical angles in the pivot mode and can move between an abutting position and a non-abutting position to replace a rolling piece and a guide rail both needing to be matched with each other in an existing multi-plate type centrifugal clutch, can reduce the requirements of elements about dimension accuracy, further effectively reduces processing cost and shortens processing time.

Description

Multi-plate centrifugal clutch

[technical field]

The invention relates to a kind of clutch, particularly about a kind of multi-plate centrifugal clutch.

[background technique]

Consult Fig. 1, existing multi-plate centrifugal clutch 1 is arranged on a transmission shaft 100, this multi-plate centrifugal clutch 1 comprises that one is sheathed on protruding hub 11, on this transmission shaft 100 is arranged on this transmission shaft 100 and cover invests this protruding hub 11 shell 12, and is arranged at the fitting seat 13 on this shell 12, most interval respectively friction board 14, most roll piece 15 that rollably is arranged on this fitting seat 13 on this shell 12 and this protruding hub 11 are set, and one and this shell 12 be connected with on the contrary driving gearshaft 16 on this protruding hub 11.

Consult Fig. 2,3, this fitting seat 13 comprise one be arranged at the pedestal 131 on this shell 12, most equal angles is formed at the mounting groove 132 on this pedestal 131 at intervals, and most guide rails 133 that tilt to be convexly set on this pedestal 131 and be arranged in each mounting groove 132.For convenience of description, Fig. 2, the 3rd explains with a mounting groove 132 and a guide rails 133.

Described roll piece 15 is rollably to be arranged in each mounting groove 132, and each roll piece 15 comprises that all a rolling is contacted with the guide wheel 152 that roller 151, two on this guide rails 133 is positioned at these roller 151 opposition sides, and an axle 153 that runs through this roller 151 and described guide wheel 152.Wherein, the radius of described guide wheel 152 is the radiuses greater than this roller 15, be equipped on this guide rails 133 to utilize described guide wheel 152, and then limit this guide wheel 152 only can be along rolling on this guide rails 133.

Consult Fig. 2,3, and look back in the lump Fig. 1, when the rotating speed of this transmission shaft 100 during greater than certain value, the centrifugal force that this shell 12 produces when rotating, can force described roll piece 15 to roll to the direction away from this transmission shaft 100 along each guide rails 133, and then as shown in imaginary line in Fig. 2, compel to support described friction board 14 make described friction board 14 mutually against, to drive that this protruding hub 11 and this driving gearshaft 16 rotate and with the power output of this transmission shaft 100.

The existing mode of utilizing centrifugal force to force described roll piece 15 to compel to support described friction board 14, although can whether determine by these driving gearshaft 16 outputting powers according to the rotating speed size of this transmission shaft 100, but, because described roll piece 15 must roll to compel to support described friction board 14 along this guide rails 133, therefore, described roll piece 15 is higher with the dimension precision requirement of guide rails 133, cause the high and long processing time of the processing cost of this roll piece 15 and this fitting seat 13, the related manufacture cost of multi-plate centrifugal clutch 1 that causes is high.

[summary of the invention]

Therefore, purpose of the present invention is namely providing the multi-plate centrifugal clutch that a kind of processing cost is low and can shorten process time.

So the multi-plate centrifugal clutch of the present invention comprises a housing unit, and is arranged at friction unit in this housing unit, and one in order to drive the driver element of this friction unit.

This housing unit comprises a protruding hub, and a cover cap is located at the shell of this protruding hub; This friction unit comprise most be arranged at intervals at respectively on this protruding hub with this shell in friction board.

This driver element comprises that one is arranged at the fitting seat in this shell, and most equal angles are hubbed at the swing part on this fitting seat at intervals, described swing part can compel to move between the position to position and non-compeling one, when described swing part position when this compels to support the position, described swing part be compel to support described friction board and make described friction board mutually against, and when described swing part position non-when compeling to support the position at this, described swing part be with described friction board separately.

Beneficial effect of the present invention is: utilize described equal angles to be hubbed at intervals on this fitting seat, and can compel to support position and this non-compeling to swing part mobile between the position at this, replace roll piece and the guide rails that need match in existing multi-plate centrifugal clutch, can reduce interelement for the requirement of dimensional accuracy, and then effectively cut down finished cost and shorten process time.

[description of drawings]

Fig. 1 is a sectional view, and an existing multi-plate centrifugal clutch is described;

Fig. 2 is a partial enlarged drawing, and the aspect of fitting seat in existing multi-plate centrifugal clutch is described;

Fig. 3 is a partial enlarged drawing, and the aspect of roll piece in existing multi-plate centrifugal clutch is described;

Fig. 4 is a sectional view, and the preferred embodiment of the multi-plate centrifugal clutch of the present invention is described;

Fig. 5 is a plan view, and the aspect of driver element in this preferred embodiment is described;

Fig. 6 is a partial perspective view, and the aspect of fitting seat in this preferred embodiment is described;

Fig. 7 is a local amplification view, and the aspect of swing part in this preferred embodiment is described;

Fig. 8 is another local amplification view, aid illustration Fig. 7;

Fig. 9 is a local amplification view, and the aspect of draw-in groove and the opening of another kind of locating piece is described;

Figure 10 is a sectional view, illustrates that this preferred embodiment position non-ly compels to support the position one; And

Figure 11 is a sectional view, illustrates that this preferred embodiment position compels to support the position one.

2 multi-plate centrifugal clutches

200 motorcycles

201 transmission shafts

3 housing units

31 protruding hubs

32 shells

4 the friction unit

41 friction boards

5 driver elements

51 fitting seats

511 pedestals

512 containing grooves

513 locating pieces

514 draw-in grooves

515 openings

52 swing parts

521 axles

522 wobble components

523 swing arms

524 axostylus axostyles

525 rollers

6 driving gears

[embodiment]

About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that coordinates with reference to one of a graphic preferred embodiment, can clearly present.

Consult Fig. 4, the preferred embodiment of multi-plate centrifugal clutch 2 of the present invention comprises a housing unit 3, and is arranged at friction unit 4 in this housing unit 3, in order to driving the driver element 5 of this friction unit 4, and a driving gear 6 that is connected with on this housing unit 3.

This housing unit 3 comprises a protruding hub 31, and a cover cap is located at the shell 32 of this protruding hub 31; This friction unit 4 comprise most be arranged at intervals at respectively on this protruding hub 31 with this shell 32 in friction board 41; This driving gear 6 is the opposition sides that are connected with on this protruding hub 31 and are positioned at this shell 32.

Consult Fig. 4,5, this driver element 5 comprises that one is arranged at the fitting seat 51 in this shell 32, and most equal angles are hubbed at the swing part 52 on this fitting seat 51 at intervals.

Consult Fig. 5,6, and look back in the lump Fig. 4, this fitting seat 51 have one be arranged at the pedestal 511 in this shell 32, most equal angles is formed at the containing groove 512 on this pedestal 511 at intervals, most equal angles are convexly set at intervals on this pedestal 511 and are positioned at accordingly the locating piece 513 of each containing groove 512.And every positioning piece 513 all is formed with an opening 515 towards the draw-in groove 514 of these protruding hub 31 directions.

Consult Fig. 7,8, and each swing part 52 be arranged in each containing groove 512 and, each swing part 52 all has an axle 521 that is hubbed in the draw-in groove 514 of corresponding locating piece 513 and a wobble component 522 that is arranged on this axle 521.This wobble component 522 have two be arranged at intervals at swing arm 523 on this axle 521, one and this axle 521 separately and be placed through axostylus axostyle 524 in described swing arm 523 and a roller 525 that is hubbed on this axostylus axostyle 524.Wherein, the diameter of each roller 525 is the width greater than described swing arm 523.

In the present embodiment, the opening 515 of each draw-in groove 514 is the diameters that are slightly larger than the corresponding axle that is pivoted 521, and the opening 515 of each draw-in groove 514 can be also to be as shown in Figure 9 cone to pull out shape certainly, so that the guiding of this axle 521 and installation.

Consult Figure 10,11, this multi-plate centrifugal clutch 2 when practical application, is to be installed on the transmission shaft 201 of a motorcycle 200, and this transmission shaft 201 is that this driving gear 6 that stretches through mutually combines in this shell 32 with this protruding hub 31.

When the rotating speed of this transmission shaft 201 surpasses certain value, this shell 32 rotate wobble component 522 that the centrifugal force that produces can force described swing part 52 along with each axle 521 from shown in Figure 10 one non-compel to support position movement to as shown in figure 11 one compel to support the position.

because the diameter of described roller 525 is width greater than each swing arm 523, therefore, when the wobble component 522 of described swing part 52 from should non-ly compeling to support position movement to should compel to the position time, described swing arm 523 can't contact with described friction board 41, and because described roller 525 is to be hubbed on axostylus axostyle 524, therefore, the roller 525 of each swing part 52 is rollably to compel to described friction board 41, not only can force described friction board 41 mutually against, and then drive this protruding hub 31 and this driving gear 6, the power of this transmission shaft 201 is exported by this driving gear 6, can also effectively reduce abrasion increases the service life.

When the rotating speed of this transmission shaft 201 during less than this definite value, because this shell 32 rotates the centrifugal force deficiency that produces, therefore, the wobble component 522 of described swing part 52 namely can compel support position movement to should non-ly compel to position by this, make each wobble component 522 roller 525 can with described friction board 41 separately and then make described friction board 41 spaces.

In sum, the multi-plate centrifugal clutch 2 of the present invention utilizes described equal angles to be hubbed at intervals on this fitting seat 51, and can compel to support position and this non-compeling to swing part 52 mobile between the position at this, replace the roll piece 15 and guide rails 133 that need match in existing multi-plate centrifugal clutch 1, not only can reduce interelement for the requirement of dimensional accuracy, and then effectively cut down finished cost and shorten process time, and still can be according to the rotating speed of this transmission shaft 201 whether to determine by these driving gear 6 outputting powers, therefore really can reach purpose of the present invention.

The above, only for the present invention's preferred embodiment, when not limiting with this scope of the invention process, the simple equivalence of namely generally being done according to the present patent application the scope of the claims and invention description content changes and modifies, and all still belongs in the scope that patent of the present invention contains.

Claims

1. multi-plate centrifugal clutch, comprise: a housing unit, is arranged at the friction unit in this housing unit, and one in order to drive the driver element of this friction unit, this housing unit comprises a protruding hub, and a cover cap is located at the shell of this protruding hub, this friction unit comprise most be arranged at intervals at respectively on this protruding hub with this shell in friction board, this driver element comprises that one is arranged at the fitting seat in this shell, it is characterized in that:

This driver element comprises that also most equal angles are hubbed at the swing part on this fitting seat at intervals, described swing part can compel to move between the position to position and non-compeling one, when described swing part position when this compels to support the position, described swing part be compel to support described friction board and make described friction board mutually against, and when described swing part position non-when compeling to support the position at this, described swing part be with described friction board separately.

2. multi-plate centrifugal clutch as claimed in claim 1, wherein, each swing part all has an axle that is hubbed on this fitting seat, and one is arranged on this axle to compel to support position and the wobble component that should non-ly compel to move between the position with axle at this

3. multi-plate centrifugal clutch as claimed in claim 2, wherein, the wobble component of each swing part have two be arranged at intervals at swing arm on this axle, one and this axle separately and be placed through axostylus axostyle in described swing arm and a roller that is hubbed on this axostylus axostyle.

4. multi-plate centrifugal clutch as claimed in claim 2, wherein, this fitting seat has a pedestal that is arranged in this shell, and most equal angles are convexly set in locating piece on this pedestal at intervals, and the axle of described swing part is that correspondence is hubbed on every positioning piece.

5. multi-plate centrifugal clutch as claimed in claim 4, wherein, every positioning piece of this fitting seat all is formed with an opening towards the draw-in groove of this protruding hub direction, and the axle of described swing part is to be hubbed in corresponding draw-in groove.

6. multi-plate centrifugal clutch as claimed in claim 5, wherein, the opening of the draw-in groove of every positioning piece is into cone and pulls out shape.

7. multi-plate centrifugal clutch as claimed in claim 3, wherein, when the wobble component position of described swing part when this compels to support the position, each roller is rollably to compel to described friction board, and described swing arm is not contact with described friction board, and when the wobble component position of described swing part non-when compeling to support the position at this, the roller of each swing part be with described friction board separately.

8. multi-plate centrifugal clutch as claimed in claim 4, wherein, this fitting seat comprises that also most equal angles are formed at the containing groove on this pedestal at intervals, described locating piece is to be arranged in each containing groove.

9. multi-plate centrifugal clutch as claimed in claim 1, wherein, also comprise a driving gear that is connected with on this protruding hub.