CN2497099Y

CN2497099Y - Automatic clearance adjusting apparatus for clutch or brake

Info

Publication number: CN2497099Y
Application number: CN 01251693
Authority: CN
Inventors: 黄森隆
Original assignee: FUZHOU YONGSEN MACHINE HARDWAR
Current assignee: FUZHOU YONGSEN MACHINE HARDWAR
Priority date: 2001-08-22
Filing date: 2001-08-22
Publication date: 2002-06-26
Anticipated expiration: 2011-08-22

Abstract

The utility model relates to a clutch or a clearance automatic adjusting device of a brake, which includes an armature and a friction plate arranged on a fixed-typed plate seat which can reciprocate corresponding to the armature. The utility model is characterized in that one side of the armature is fixedly provided with an adjusting spring, and one side of the plate seat far wary from the adjusting plate spring is provided with a positioning spring; one side of the friction plate is matched with a recovery elastic piece and a shaft pin which is respectively pierced into the adjusting plate spring and the positioning spring. The utility model has sound design, utilizes the adsorption motion of the friction plate along with the armature and the backing function matched with the adjusting plate spring, thus automatically adjusting the clearance between the friction plate and the armature. Obviously, the design of the utility model not only has the function of automatic adjusting clearance, but also has the adjusting function at any moment, thus meeting the requirements of practical application.

Description

The gap automatic regulating device of clutch or brake

Technical field:

The utility model relates to a kind of regulating device, refers to especially apply on the friction plate and armature of clutch or brake, so that the adjustment person automatically of the gap between this friction plate and the armature.

Background technique:

The armature of general clutch or brake has the gap of about 0.3～0.4mm during with not start of friction plate to each other, and this friction plate relies on armature and shakes to reach the prevention effect of braking during start.After only using a period of time, along with the abrasion of friction plate, the gap between friction plate and the armature just can be strengthened, and has influence on the reaction time that brake is prevented, so need to adjust the gap between friction plate and the armature.

In known traditional structure, system is equipped with a plurality of pads in this friction plate, and with the element of pad as the adjusting play.Promptly when the gap between friction plate and the armature becomes big, but nationality reduces the quantity of pad, makes that friction plate can be more near armature.Yet this kind adjustment means must be torn each element and the pad of group on the friction plate open, and adjust and all elements must be reinstalled the location after finishing, and therefore adjust the action quite trouble inconvenience that seems.

And another kind of adjustment mode, the patent case shown in Taiwan patent application case number No. 77211397 promptly discloses a kind of degree of tightness effect that utilizes exposed adjustment screw, the displacement adjustment of friction fit plate, and reach the purpose of adjusting crack between friction plate and the armature.The adjustment mode that case is disclosed before this patent of thought, still needing the nationality operator progressively to adjust just in operation can finish, and therefore still has the defective of time-consuming inconvenience, and the necessity that is improved is arranged.

Summary of the invention:

Main purpose of the present utility model is the gap automatic regulating device that is to provide a kind of clutch or brake, it mainly is to utilize friction plate to cooperate with sucking action between the armature to have the adjustments leaf spring that system is moved back effect, makes the friction plate can automatic shift and the purpose in crack between reaching between adjustment and armature.

Task of the present utility model is finished like this: the gap automatic regulating device of a kind of clutch or brake, include an armature, and one be installed on the fixed panel seat, and can be to should the reciprocating friction plate of armature, it is characterized in that: this panel seat one side is installed with one and adjusts leaf spring, and on this panel seat away from a side of adjusting leaf spring, be equipped with the location leaf spring, and a side of this friction plate is equipped with a return shell fragment and a shaft tip, and this shaft tip passes this adjustment leaf spring and location leaf spring respectively.During work, produce along with the gap between friction plate and armature in view of the above, this shaft tip promptly moves back unidirectional displacement under the effect in the system of adjusting leaf spring, and and then adjusts gap between friction plate and armature automatically.

The utility model is reasonable in design, nationality with friction plate along with the absorption of armature action, and cooperate the system of adjusting leaf spring to move back effect, and reach the gap between automatic adjustment friction plate and the armature.

Description of drawings:

Fig. 1 the utility model integral planar structural representation

Fig. 2 the utility model partial structurtes enlarged diagram

Fig. 3 the utility model positioning plate spring structure schematic representation

Fig. 4 Fig. 3 profile

One of Fig. 5 the utility model action schematic representation

Two of Fig. 6 the utility model action schematic representation

Embodiment:

Below promptly be referred to as the purpose effect, lift a most preferred embodiment and cooperate graphic being described in detail as follows at the utility model:

With reference to Fig. 1, the gap automatic regulating device of the utility model clutch or brake is to include an armature 11, and a group is located on the fixed panel seat 12, and can be to should armature 11 and reciprocating friction plate 13 constitutes.

With reference to Fig. 2, these panel seat 12 1 sides are installed with one and adjust leaf spring 19, and on this panel seat 12 away from a side of adjusting leaf spring 19, be equipped with location leaf spring 21, and a side of this friction plate 13 is equipped with a return shell fragment 14 and a shaft tip 17, and this shaft tip 17 passes this adjustment leaf spring 19 and location leaf spring 21 respectively.

One side-line of this friction plate 13 is equipped with a return shell fragment 14, it should be noted that this return shell fragment 14 is to be connected with friction plate 13 near the outer periphery place on the surface.Return shell fragment 14 outer periphery nationality bolt (not shown)s combine with friction plate 13 interlockings, make the center of this return shell fragment 14 still have the resiliently deformable effect.

The center of this friction plate 13 offers a perforation 15 again, and a bolt 16 is the center of passing this perforation 15 and return shell fragment 14, and then locks admittedly with a shaft tip 17 and to combine.It should be noted that between this bolt 16 and the friction plate 13 do not have the relation that interlocking combines, that is bolt 16 is through just among the perforation 15, and bolt 16 heads can hang on the return shell fragment 14, take this pining down the distortion of return shell fragment 14 centers.

Then this friction plate 13 is that the shaft tip 17 that is connected with a side is arranged on the panel seat 12.Side that it should be noted that this panel seat 12 is provided with one and adjusts leaf spring 19, and on the panel seat 12 away from the side of adjusting leaf spring 19, be equipped with location leaf spring 21.This shaft tip 17 then passes this adjustment leaf spring 19 and location leaf spring 21 respectively.

With reference to Fig. 3 and shown in Figure 4, this adjustment leaf spring 19 and location leaf spring 21 cordings have system to move back the spring sheet of effect.It mainly is to set out a lug boss 22 in center system, and the system plurality of elastic system of establishing is moved back sheet 23 on lug boss 22, so pass lug boss 22 and desire will oppositely return the time as an axis body (not shown), it is obliquely to support the outer surface that ends at axis body that each system is moved back sheet 23, and can reach the effect that system is moved back.Legend is location leaf spring 21 structural representations, and it is basic identical with location leaf spring 21 structures to adjust leaf spring 19, just many convex edges, outer.

Therefore will have above-mentioned system and move back structure and system and move back the adjustment leaf spring 19 and the location leaf spring 21 of effect and be installed on the panel seat 12, and make shaft tip 17 pass adjusting leaf spring 19 and location leaf spring 21, then this shaft tip 17 is with restricted and only can monodisplacement.

Please refer to shown in Figure 5ly, when not producing relativity between this friction plate 13 and the armature 11, be to have a gap 24 between friction plate 13 and the armature 11, and the return shell fragment 14 of this moment presents formation state.

With reference to Fig. 6, when armature 11 produced relativity with friction plate 13, this armature 11 attracted this friction plate 13, friction plate 13 is formed with armature 11 contact shape.The friction plate 13 of this moment is to produce displacement and cause 14 distortion of return shell fragment.After treating that armature 11 discharges attraction force, this friction plate 13 promptly is subjected to the effect of strained return shell fragment 14, opens the beginning position and automatically revert to.

In using process, this friction plate 13 produces wearing and tearing and when causing gap 24 increasings between friction plate 13 and the armature 11, though armature 11 can make friction plate 13 under the distortion that cooperates return shell fragment 14 and displacement, but fail to contact with armature 11, the i.e. displacement automatically of shaft tip 17 this moment along with the active force of armature 11 attraction friction plates 13, thus, this friction plate 13 promptly contacts with armature 11.Treat that armature 11 discharges attraction force, then friction plate 13 still can be under the effect of the resilience sheet 14 that is out of shape, and goes back to the back to opening the position of beginning.

Owing to after friction plate 13 and armature 11 contacts, the effect of a little wearing and tearing so above-mentioned automatic adjusting play can be arranged all at every turn, be along with each action of friction plate 13 is all being carried out.Obviously, design of the present utility model not only has the effect of automatic adjusting play, and the function of adjustment is at any time more arranged, the need of realistic use.

Claims

1, the gap automatic regulating device of a kind of clutch or brake, system includes an armature, and one be installed on the fixed panel seat, and can be to should the reciprocating friction plate of armature, it is characterized in that: this panel seat one side is installed with one and adjusts leaf spring, and on this panel seat away from a side of adjusting leaf spring, be equipped with the location leaf spring, and a side of this friction plate is equipped with a return shell fragment and a shaft tip, and this shaft tip passes this adjustment leaf spring and location leaf spring respectively.

2, the gap automatic regulating device of clutch according to claim 1 or brake, it is characterized in that: this friction plate combines with shaft tip, be that nationality one bolt passes friction plate and return shell fragment, and lock admittedly with shaft tip, have the relative displacement effect between this bolt and friction plate, and bolt head can hang on the return shell fragment.

3, the gap automatic regulating device of clutch according to claim 1 or brake, it is characterized in that: the return shell fragment that this friction plate one side is connected ties up to the surface and is connected with friction plate near the outer periphery place, and the center of this return shell fragment has the resiliently deformable effect.

4, the gap automatic regulating device of clutch according to claim 1 or brake is characterized in that: this adjustment leaf spring and the location leaf spring center system that ties up to set out a lug boss, and the system plurality of elastic system of establishing is moved back sheet on lug boss.