CN201027854Y

CN201027854Y - Brake caliper and brake structure

Info

Publication number: CN201027854Y
Application number: CNU2007201412875U
Authority: CN
Inventors: 王淳钦
Original assignee: HENGTONG MACHINERY CO Ltd
Current assignee: HENGTONG MACHINERY CO Ltd
Priority date: 2007-03-30
Filing date: 2007-03-30
Publication date: 2008-02-27
Anticipated expiration: 2017-03-30

Abstract

The utility model provides a brake caliper and a brake structure used for the brake system of vehicle. The utility model mainly comprises a caliper cylinder body, a piston group, an oil seal and a brake block group, wherein, the caliper cylinder body is provided inside with a groove passage; a distortion area is formed on the side surface of the groove passage close to a brake plate and extends towards the brake plate; the angle formed between the distortion area and the groove passage is more than 60 degrees and a plurality of butt connecting segments are formed; additionally, the butt connecting segments have gradation segmental differences, thereby the oil seal produces more distortion in the distortion area, namely the oil seal has big elastic restoring force; therefore, besides the aim of increasing the restoring force of the piston group is achieved, when the brake block group is abraded, the utility model has the function of automatic compensation, and certain clearance can be kept between the brake plate and the brake block group.

Description

Brake clamp and brake structure

Technical field

The utility model brake clamp and brake structure refer to a kind of brake clamp and brake structure that is used on the brake and drive system for vehicle with tow and can increases the oil seal deformation quantity especially.

Background technique

Be illustrated in figure 1 as the disc brakes structural drawing on the various wheel of vehicle such as being applied in bicycle, steam turbine car, this disc brakes structure 90 mainly be arranged on one of the hub for vehicle wheel place with the concyclic heart of wheel and co-rotational brake disc 91 on, see through hydraulic driving brake block clipping brake disc 91, make brake block and brake disc 91 produce friction and then wheel is stopped.

Please join Fig. 2 simultaneously, whole disc brakes clamp 10 are located brake block group 14 by clamp cylinder body 11, this clamp cylinder body 11 and see through hydraulic pipe line and be attached to oil hydraulic cylinder, promote the brake oil of oil hydraulic cylinder the inside via bracket arm, utilize the strength of hydraulic pressure to promote piston set 12 in the clamp cylinder body 11, see through the displacement promotion brake block group 14 that piston set 12 is released then, make brake block group 14 contact brake discs 91 use the effect that reaches braking.

And promote in the process of brake block group 14 in piston set 12, the oil seal 13 that is positioned at clamp cylinder body 11 can produce resiliently deformable along with the shift length of piston set 12 releases, when the pressure that promotes piston set 12 discharges, elastic restoring force by oil seal 13, can retract piston set 12, make it restore to default position, continue to contact with brake disc 91 to avoid brake block group 14, and the different sound and the resistance that send.

As shown in Figure 3, in design in the past, oil seal 13 is positioned at the conduit 111 of clamp cylinder body 11, and conduit 111 have a texturing zone 113 ', its texturing zone 113 ' for to extend space, formed oblique angle to brake block group 14 directions by conduit 111 sides, its angle of bevel is about in 60 degree, this texturing zone 113 ' be used to make oil seal 13 enters in the texturing zone 113 ' and interior and produce crooked deformation, but because its texturing zone 113 ' volume little, it only is space, an oblique angle, so make that the deformation quantity of oil seal 13 is also limited relatively, and cause the restoring force of oil seal 13 not good, cause brake block group 14 to be returned to accurately the location, thus, just the disc 91 that causes easily braking continues friction with brake block group 14 in running, and then produces uncomfortable different sound and unsuitable resistance.

The model utility content

The main purpose of the utility model brake clamp and brake structure provides a kind of section of texturing zone that can make and strengthens, and make piston set can accurately return back to the brake clamp of location, and can avoid producing uncomfortable different sound and unsuitable resistance.

The technical solution of the utility model is: brake clamp and brake structure, the brake system that is used for vehicle, it is mainly by the clamp cylinder body, piston set, oil seal and brake block group are formed, wherein in the clamp cylinder body, has a conduit, and be adjacent in conduit on the side of brake disc, more be formed with a texturing zone, and the texturing zone extends to the direction of brake disc, and the angle between this texturing zone and conduit is greater than 60 degree, and be formed with several connecting sections, and several connecting sections have the design of class's section difference, so the distortion section in the conduit is more known bigger, therefore, the deformation quantity that oil seal produces in the texturing zone also strengthens, thus, under the situation that increases by the elastic restoring force of oil seal, can reach outside the purpose that increases the piston set restoring force, have more when the brake block group wears away, the function that can compensate automatically, and make between brake disc and brake block group and keep certain clearance.

Description of drawings

Fig. 1 is that structural representation is formed in known brake;

Fig. 2 has brake clamp generalized section for practising;

Fig. 3 is for practising the clamp cylinder body schematic representation that the brake clamp are arranged;

Fig. 4 is used for embodiment's schematic representation of reversible caliper structure for the utility model brake clamp;

Fig. 5 is used for embodiment's schematic representation of single deck tape-recorder wrench structure for the utility model brake clamp;

Fig. 6 is the utility model oil seal and clamp cylinder body sectional view;

Fig. 7 is the utility model texturing zone embodiment's schematic representation and oil seal illustrative view;

Fig. 8 is another embodiment's schematic representation of the utility model texturing zone;

Fig. 9 is embodiment's schematic representation again of the utility model texturing zone.

[figure number explanation]

Brake clamp 10 clamp cylinder bodies 11

Conduit 111 sides 112

113 texturing zones 113 ', texturing zone

First connecting section, 114 connecting sections 114 '

Second connecting section, 115 piston set 12

Oil seal 13 brake block groups 14

Disc brakes structure 90 brake discs 91

Angle a adjacent angle b

Gap d working fluid f

Embodiment

At first, please consult Fig. 4 and shown in Figure 5 simultaneously, the utility model brake clamp are applicable to the brake structure of reversible caliper or the brake structure of single deck tape-recorder pincers, the following brake structure with the single deck tape-recorder pincers of the utility model is an example for convenience of description, further specify feature of the present utility model, as shown in Figure 5, the utility model is a kind of brake clamp 10 of single deck tape-recorder wrench structure, mainly be applicable to the brake system of vehicle, usually be disposed on the brake disc 91 of wheel of vehicle wheel hub, seeing through these brake clamp 10 can carry out clipping to this disc 91 that brakes, and makes vehicle deceleration or static purpose to reach.

Brake clamp 10 of the present utility model include a clamp cylinder body 11, a piston set 12, an oil seal 13 and a brake block group 14 at least, wherein piston set 12 is positioned at clamp cylinder body 11, and has a conduit 111 in the clamp cylinder body 11, it is positioned at the inner face place that this clamp cylinder body 11 is adjacent to brake disc 91 1 sides of aforementioned wheel, brake block group 14 then is positioned at the place ahead of piston set 12, and be subjected to 12 interlocks of piston set (because of clamp cylinder body 11, piston set 12 and 14 composition modes of brake block group with known identical, so no longer do explanation more).Aforesaid piston set 12 is arranged in clamp cylinder body 11, and has a gap d between the inner face of piston set 12 and clamp cylinder body 11, and can be full of in gap d has a working fluid f, for example is brake oil.Oil seal 13 then is arranged in the conduit 111, and with the surperficial fluid-tight engagement of piston set 12, when bracket arm promotes oil hydraulic cylinder, make the working fluid f in the gap d, utilize the strength of hydraulic pressure to promote piston set 12 in the clamp cylinder body 11, make piston set 12 stressed when brake block group 14 promotes displacements, oil seal 13 also can be subjected to the traction of piston set 12 and cause distortion, the elastic force of utilizing oil seal 13 deformation to be caused can form a response force and be used to retract piston set 12.

In addition, as shown in Figure 6, the side that is adjacent to brake disc 91 in above-mentioned conduit 111 more is formed with a texturing zone 113, has a side 112 at conduit 111 and texturing zone 113 adjacents, the displaced position of oil seal 13 can be limited in this side 112, and texturing zone 113 extends to the direction of brake disc 91, and the angle a that this texturing zone 113 and conduit are 111 is greater than 60 degree, the adjacent angle b that this texturing zone 113 and side are 112 is then less than 120 degree, and because of its angle a if can be formed with several connecting sections naturally during greater than several angle, these several connecting sections can be curved surface or plane, one first connecting section 114 and one second connecting section 115 have been comprised in the present embodiment, wherein a side of this first connecting section 114 is connected in a side of this second connecting section 115, and the opposite side of this first connecting section 114 is connected in the inner face of this conduit 111, and the opposite side of this second connecting section 115 then is connected in the inner face of this clamp cylinder body 11.

Again, the first above-mentioned connecting section 114 and second connecting section 115 are the aspect on plane, and first connecting section 114 is vertical mutually with second connecting section, wherein, the preferable angle of angle a in the present embodiment is 90 degree, the angle that can find out angle a in Fig. 6 is about 90 degree, and its adjacent angle b also is about 90 degree, so hence one can see that angle a and adjacent angle b addition approximate 180 degree, therefore be 130 when spending at angle a, its adjacent angle b is about 50 degree, certainly more than only for the utility model for embodiment, be not to limit scope of the present utility model with this.

In Fig. 7, expression oil seal 13 is subjected to the traction of pushing of working fluid f and piston set 12 and causes distortion, because texturing zone 113 of the present utility model is for having several connecting section designs of class's section difference, so the distortion section in the conduit 111 is more known bigger, therefore, 113 deformation quantities that produce also strengthen oil seal 13 in the texturing zone, thus, under the situation that increases by the elastic restoring force of oil seal, can reach outside the purpose that increases piston set 12 restoring forces, more can make piston set can return back to the location fast and accurately, to avoid producing uncomfortable different sound and unsuitable resistance, or when 14 abrasion of brake block group, can have the function of automatic compensation, allow

brake disc

91 and 14 of brake block groups can keep certain clearance.

In addition, the first above-mentioned connecting section 114 and second connecting section 115 the two or the two one of them, also can be a curved surface aspect, as shown in Figure 8, wherein first connecting section 114 is a curved surface aspect, be formed with first connecting

section

114 and 111 formed tangent line c1 of conduit of an adjacent angle line and this curved surface towards piston set 12 by 112 ends, above-mentioned side, the angle c2 of its adjacent angle line tangent line c1 and side 112 conduits 111 is greater than 60 degree and less than 120 degree, be connected with the location of 112 of sides and make first connecting section 114 be positioned at adjacent angle line c1, by this formation, can make oil seal 13 more easily produce deformation along first connecting section 114 and second connecting section 115, and reach the purpose that increases elastic restoring force, the connecting section 114 ' that can also be provided with some formation curved surfaces certainly constitutes, as shown in Figure 9, and the connecting section 114 ' of each curved surface is positioned at the angle of the tangent line of the location of 112 of adjacent angle line c1 and sides and 111 formation of conduit and conduit equally equally greater than 60 degree.

Comprehensive the above person only is the preferred embodiment that the utility model used, and is not to be used for limiting the scope that the utility model is implemented.Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.

Claims

1. a brake clamp and brake structure comprise:

One clamp cylinder body has a conduit, and this conduit is positioned at the inner face that this clamp cylinder body is adjacent to this wheel one side;

One piston set is arranged in this clamp cylinder body, and has a gap between the inner face of this piston set and this clamp cylinder body, and this gap has a working fluid;

One oil seal is arranged in this conduit; And

One brake block group is arranged at the place ahead of this piston set, and is subjected to piston set institute interlock;

It is characterized in that, be positioned on the side that this conduit is adjacent to this brake disc, more be provided with a texturing zone.

2. brake clamp as claimed in claim 1 and brake structure is characterized in that, have an angle between this texturing zone and conduit, and this angle is greater than 60 degree.

3. brake clamp as claimed in claim 1 and brake structure is characterized in that, and this conduit and texturing zone adjacent have a side in order to the displaced position of restriction oil seal, and have an adjacent angle between this texturing zone and side, and this adjacent angle is then less than 120 degree.

4. brake clamp as claimed in claim 1 and brake structure is characterized in that, and this texturing zone extends to the direction of this brake block group, and have several connecting sections on it.

5. brake clamp as claimed in claim 4 and brake structure is characterized in that, those connecting sections are curved surface or plane.

6. brake clamp as claimed in claim 4 and brake structure is characterized in that, those connecting sections comprise:

One first connecting section; And one second connecting section;

Wherein a side of this first connecting section is connected in a side of this second connecting section, and the opposite side of this first connecting section is connected in the inner face of this conduit, and the opposite side of this second connecting section then is connected in the inner face of this clamp cylinder body.

7. brake clamp as claimed in claim 5 and brake structure is characterized in that, this first connecting section and this second connecting section comprise a plane respectively.

8. brake clamp as claimed in claim 5 and brake structure is characterized in that, this first connecting section comprises a plane or curved surface, and this second connecting section comprises a plane or curved surface.

9. brake clamp as claimed in claim 1 and brake structure is characterized in that, this brake clamp group is applied on the brake system of the pincerlike formula of single deck tape-recorder.

10. as claim 1 described brake clamp and brake structure, wherein this brake clamp group is applied on the brake system of reversible caliper form.