CN217177230U

CN217177230U - Combined type brake caliper with one-way return spring

Info

Publication number: CN217177230U
Application number: CN202221080279.5U
Authority: CN
Inventors: 林孔境; 蔡睿; 陈胜男; 蔡运考; 郑瑞章; 符乐君
Original assignee: Zhejiang Libang Hexin Automotive Brake System Co ltd
Current assignee: Zhejiang Libang Hexin Automotive Brake System Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-12
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a brake caliper field discloses a combined type brake caliper with one-way return spring, including calliper support and the pincers body A and the pincers body B of fixing in its both sides, pincers body A and pincers body B inboard are equipped with friction disc A and friction disc B respectively, the calliper support includes the crossbeam of horizontal linking left and right parts, friction disc A fixes and is provided with splayed return spring A, friction disc B fixes and is provided with splayed return spring B, splayed return spring A and splayed return spring B use plane A as the plane of symmetry mutual symmetry, each splayed return spring bilateral symmetry just is the wave, wavy splayed return spring has crest and trough, the crest butt is on the inboard surface of lug; the splayed return springs are only arranged on the friction plates on the side in a unilateral mode, cross beams are not needed, the relative positions of the friction plates on the inner side and the outer side do not need to be considered, and assembly can be completed, so that the splayed return springs are easy and simple to install and disassemble.

Description

Combined type brake caliper with one-way return spring

Technical Field

The utility model relates to a brake caliper field especially relates to a combined type brake caliper with one-way return spring.

Background

At present, a traditional composite caliper support adopts a middle beam offset design to ensure rigidity of the inner side and the outer side of the support, a cross beam in the middle of the support of the traditional composite caliper is in a non-centered design, so that a return spring is only subjected to an unbalanced acting force of the cross beam on one side, the stress is uneven, and the risk of eccentric wear of inner and outer side friction plates is caused; the return spring that combined type calliper that is equipped with return spring used at present still remains the return spring of traditional formula V type of striding, return spring strides the brake disc, both ends are connected on inside and outside friction disc, this kind of return spring is though the return is effectual, but because of the mounted position of the formula splayed return spring of crossing of free state receives both sides friction disc position restriction, be located the support crossbeam inboard, its installation can receive the support crossbeam, the friction disc is located axial and radial two-way restriction, it is all very troublesome when leading to striding formula return spring assembling and dismantlement, efficiency is lower and unfriendly to the assembly workman, long-time assembly can cause the finger pain, can't satisfy the mill to workshop assembly efficiency and to the requirement of workman friendship.

Disclosure of Invention

The utility model discloses shortcoming to among the prior art provides a combined type brake caliper with one-way return spring.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a combined type brake caliper with one-way return spring, including calliper support and the pincers body A and the pincers body B of fixing in its both sides, pincers body A and pincers body B inboard are equipped with friction disc A and friction disc B respectively, the calliper support includes the crossbeam of two parts about the horizontal linking, it is symmetrical with plane A with friction disc B to establish friction disc A, the centre of crossbeam is provided with the lug, the lug is towards plane A protrusion on the crossbeam, friction disc A fixes and is provided with splayed return spring A, friction disc B fixes and is provided with splayed return spring B, splayed return spring A and splayed return spring B use plane A as the plane of symmetry mutual symmetry, every splayed return spring bilateral symmetry just is the wave, wavy splayed return spring has crest and trough, the trough is located between two adjacent crests, every splayed return spring has two crests at least, the crest butt is at the inboard surface of lug.

The crossbeam in the middle of traditional combined type calliper's the support is the design placed in the middle of the non-, can lead to return spring to receive the unable balanced effort of well roof beam only in one side, has adopted the lug to make both sides atress even, reduces the eccentric wear of inside and outside friction disc. Friction disc A, friction disc B are at the braking compression stage, splayed return spring A and splayed return spring B butt are at the inboard surface of lug, and the lug blocks splayed return spring's crest department, provides the reaction force of splayed return spring to both sides, and the restriction splayed return spring pops out, and return spring is owing to receive the restriction of lug, and compression and resilience remain throughout in the coplanar, can not have the distortion power or the tensile force production of other directions, make return spring be difficult for droing, has also improved the life-span of using. In addition, when the friction plates A and B rebound during braking, the rebound direction of the friction plates is fixed because the return springs keep the rebound in the same plane, thereby preventing eccentric wear and reducing drag torque generated by friction plate abrasion during braking and returning.

Preferably, the splayed return spring has two bilaterally symmetrical wave crests, a wave trough is arranged between the two wave crests, and the two wave crests are abutted against the inner side surface of the lug in a bilaterally symmetrical mode.

Preferably, the curvature of the two side peaks is not greater than the curvature of the middle valley. The curvature is only the trend of the wave crest and the wave trough, if the wave crest and the wave trough are not precise circular arcs, a rough wave-shaped extension trend can be fitted to judge the curvature, and the curvature of the wave crests on two sides is not larger than that of the wave trough in the middle, namely, the width of the wave crests on two sides is wider than or equal to that of the wave trough in the middle, so that the contact length of the wave crests and the convex blocks can be increased.

Preferably, the outer side of the friction plate a is fixed to the fixing plate a, the outer side of the friction plate B is fixed to the fixing plate B, and the friction plate is fixed to the caliper bracket by the fixing plate.

Preferably, the left and right sides of the fixing piece a and the fixing piece B are provided with positioning holes, two ends of the splayed return spring a are respectively inserted into the positioning holes on two sides of the fixing piece a for fixation, and two ends of the splayed return spring B are respectively inserted into the positioning holes on two sides of the fixing piece B for fixation.

Preferably, the projection falls in the plane a in the longitudinal mid-axis. The cross beam of the combined caliper support is provided with symmetrical lugs to block the axial movement of the unilateral splayed return spring, so that the splayed return spring generates elastic deformation in the braking process and provides force for the friction plate to return to the original position after the braking is finished.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

the utility model discloses a with the mode of the direct compression return spring of the relative motion through the friction disc of both sides of traditional combined type calliper, change into and set up the lug and block eight characters return spring's continuation displacement to realize eight characters return spring's compression mode through the effort that the cooperation was exerted between lug and the friction disc, make unilateral eight characters return spring produce elastic deformation in braking process, and provide the friction disc and return the normal position and return the rebound force of normal position for the friction disc after braking, guaranteed calliper's brake performance; each splayed return spring is arranged on the friction plate on the side only in a unilateral mode, assembly can be completed without crossing a cross beam or considering the relative positions of the friction plates on the inner side and the outer side, so that the splayed return springs are easy and simple to mount and dismount, labor and time are saved, and meanwhile production efficiency is improved; the assembly mode is more friendly to workshop assembly workers, labor is saved, meanwhile, finger pain can not be caused by long-term assembly, and the production enthusiasm and the production efficiency can be improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a front view of the present invention.

Fig. 5 is a schematic view of a connection structure of the splayed return spring and the friction plate.

The names of the parts indicated by the numerical references in the above figures are as follows: wherein, 11, a clamp body (11 a, a clamp body A, a clamp body B and a clamp body B); 12. friction plates (12 a, A, 12B, B); 13. a fixing piece (13 a, a fixing piece A, a fixing piece B, and a fixing piece B); 2. splayed return springs (2 a, a splayed return spring A, 2B and a splayed return spring B); 21. wave crest; 22. a trough of a wave; 3. a caliper bracket; 31. a cross beam; 32. and (4) a bump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

A composite brake caliper with one-way return springs is disclosed, as shown in FIGS. 1-5, comprising a caliper support 3 and a caliper body A11a and a caliper body B11B fixed on both sides of the caliper support, wherein one of the caliper body A11a and the caliper body B11B is an inner caliper body, the other is an outer caliper body, the caliper body structure is asymmetric, but the structures of the inner friction plate and the splayed return spring 2 are symmetric, therefore, in the present invention, the caliper body A11a and the caliper body B11B can be an inner caliper body and an outer caliper body, in the figure, the caliper body A11a is an inner caliper, the caliper body B11B is an outer caliper, the inner sides of the caliper body A11a and the caliper body B11B are respectively provided with a friction plate A12a and a friction plate B12B, the caliper support 3 comprises a transverse cross beam 31 connecting the left and right parts, the caliper body A12a and the friction plate B12B are symmetric with a cross beam 32, the cross beam 32 is provided with a transverse return spring a fixed on the upper surface A31 and the splayed return spring a, the friction plate B12B is fixedly provided with splayed return springs B2B, the splayed return springs A2a and the splayed return springs B2B are symmetrical to each other by taking a plane A as a symmetrical plane, each splayed return spring 2 is symmetrical left and right and is wavy, the wavy splayed return springs 2 are provided with wave crests 21 and wave troughs 22, the wave troughs 22 are arranged between two adjacent wave crests 21, each splayed return spring 2 is at least provided with two wave crests 21, and the wave crests 21 abut against the inner side surface of the convex block 32. The wavy peaks 21 and valleys 22 herein do not necessarily refer to circular arcs, but may be elliptical arcs with a certain radian, or may be slopes with a platform, the peaks 21 refer to convex slopes, and the valleys 22 refer to concave slopes, or are arches with a part of radian. In summary, the wave shape is only described for the tendency of the splay return spring 2, the peak 21 is a part of the splay return spring 2 protruding to the splay return spring 2 on the other side, and the valley 22 is a part recessed from the peak 21.

Thereby prior art utilizes the relative motion extrusion return spring of friction disc to make the return spring compression, the return spring of V-arrangement diminishes the direction compression towards the opening, and the utility model discloses an every friction disc is fixed with splayed return spring 2 respectively, including lug 32's cooperation back, splayed return spring 2's compression, mainly rely on splayed return spring 2's trough 22 department, and splayed return spring 2 realizes with two sections deformations of the left and right sides that the stationary blade 13 of friction disc 12 is connected, when the compression, trough 22's camber diminishes, two sections inclinations of the left and right sides that are connected with the stationary blade 13 of friction disc 12 diminish, elastic potential energy has been accumulated simultaneously, resume original shape again during the resilience, and prop the friction disc 12 of both sides open.

When the caliper is installed, in the prior art, because two ends of the return spring are respectively fixed on the friction plates 12 at two sides for waiting, and the friction plates 12 at two sides are considered during the assembling, the friction plates 12 are firstly installed, the installation of the return spring is generally the last step of the caliper assembling, because of the existence of the beam 31 of the caliper support 3, the return spring needs to be inserted into the inner side of the beam 31 and longitudinally crosses the caliper support 3, in the process, the radial force and the axial force need to be overcome, because the return spring is thinner, and can be installed only by needing larger torsional force, a great deal of energy needs to be consumed to respectively fix the two ends, but in the utility model, the splayed return spring 2 can be carried out under the state that the friction plates 12 are not installed or the state that the friction plates 12 are installed, no matter which state, the splayed return spring 2 does not need to pass through the beam 31, the installation is not influenced by the cross beam 31, the left end and the right end of the splayed return spring A2a are respectively inserted into the positioning holes on the left side and the right side of the fixing plate A13a of the friction plate A12a, the left end and the right end of the splayed return spring B2B are respectively inserted into the positioning holes on the left side and the right side of the fixing plate B13B of the friction plate B12B, the final step of assembly can be completed only by placing the wavy part on the inner surface of the bump 32 in advance to abut against the inner surface of the bump 32, the installation process is simple, and the burden of workers is relieved.

The outer side of the friction plate a12a is fixed to a fixing plate a13a, the outer side of the friction plate B12B is fixed to a fixing plate B13B, and the friction plate 12 is fixed to the caliper bracket 3 by the fixing plate. Positioning holes are formed in the left side and the right side of fixing piece A13a and fixing piece B13B, two ends of splayed return spring A2a are respectively inserted into the positioning holes in two sides of fixing piece A13a for fixation, and two ends of splayed return spring B2B are respectively inserted into the positioning holes in two sides of fixing piece B13B for fixation. The conventional composite caliper bracket 3 has no bump 32 on the cross beam 31, and the return springs are arranged in a bilaterally symmetrical V shape and are suspended. When pistons on both sides of the caliper push fixing plate A13a and fixing plate B13B to move relatively, friction plate 12 also moves relatively.

The connection structure between the piston and the caliper body of the composite caliper, the connection between the caliper body and the bracket, the connection between the piston and the friction plate 12, the flow channel of the brake fluid, and the exhaust channel are conventional technologies in the field, and are not described herein. Normally, a brake disc is arranged between the friction plates 12, the composite caliper realizes hydraulic driving of a piston through an outer oil pipe, an exhaust channel is cast in the composite caliper, bleeding screws communicated with the exhaust channel are arranged on the caliper body A11a and the caliper body B11B, an oil inlet is arranged on the caliper body A11a, when an automobile brakes, brake fluid flows to the caliper body B11B through the outer oil pipe from the caliper body A11a, and the piston pushes the friction plate A12a and the friction plate B12B to clamp the brake disc through hydraulic pressure, so that a braking effect is achieved.

Example 2

The difference from embodiment 1 is that the splayed return spring 2 has two symmetrical peaks 21, a valley 22 is provided between the two peaks 21, the two peaks 21 are abutted against the inner side surface of the projection 32 in a bilateral symmetry manner, and the curvature of the two peaks 21 is not larger than that of the middle valley 22. The curvature is only the trend of the valley 22 of the peak 21, and if the peak is not a circular arc, a rough extending trend of a wave shape can be fitted to judge the curvature, and the curvature of the two side peaks 21 is not larger than the curvature of the middle valley 22, that is, the width of the two side peaks 21 is wider than or equal to the width of the middle valley 22, so that the contact length between the peak 21 and the bump 32 can be increased.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a combined type brake caliper with one-way return spring, includes the calliper support and fixes the pincers body A and the pincers body B in its both sides, pincers body A and pincers body B inboard are equipped with friction disc A and friction disc B respectively, and the calliper support includes the crossbeam of two parts about horizontal linking, its characterized in that: establish friction disc A and friction disc B with plane A symmetry, the centre of crossbeam is provided with the lug, the lug is convex towards plane A on the crossbeam, friction disc A fixes and is provided with splayed return spring A, friction disc B fixes and is provided with splayed return spring B, splayed return spring A and splayed return spring B use plane A as the symmetry plane mutual symmetry, every splayed return spring bilateral symmetry just is the wave, wavy splayed return spring has crest and trough, the trough is located between two adjacent crests, every splayed return spring has two crests at least, the crest butt is at the inboard surface of lug.

2. A composite brake caliper with one-way return springs according to claim 1, wherein: the splayed return spring is provided with two bilaterally symmetrical wave crests, a wave trough is arranged between the two wave crests, and the two wave crests are butted on the inner side surface of the bump in a bilateral symmetry mode.

3. A composite brake caliper with one-way return springs according to claim 2, wherein: the curvature of the two side wave crests is not larger than that of the middle wave trough.

4. A composite brake caliper with one-way return springs according to claim 1, wherein: the outer side of the friction plate A is fixed on the fixing plate A, the outer side of the friction plate B is fixed on the fixing plate B, and the friction plate is fixed with the caliper support through the fixing plate.

5. The composite brake caliper with one-way return spring of claim 4, wherein: the left side and the right side of the fixing piece A and the fixing piece B are provided with positioning holes, two ends of the splayed return spring A are respectively inserted into the positioning holes on the two sides of the fixing piece A for fixation, and two ends of the splayed return spring B are respectively inserted into the positioning holes on the two sides of the fixing piece B for fixation.

6. A composite brake caliper with one-way return springs according to claim 1, wherein: the projection falls in plane a at the longitudinal mid-axis.