CN219159409U

CN219159409U - Return spring for brake caliper and brake caliper

Info

Publication number: CN219159409U
Application number: CN202223373568.7U
Authority: CN
Inventors: 陈锋; 周哉松; 顾航斌; 周龙杰
Original assignee: Zhejiang Wanan Zhiyu Automobile Control System Co ltd
Current assignee: Zhejiang Wanan Zhiyu Automobile Control System Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-09
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a return spring for a brake caliper and the brake caliper, which belong to the field of brake calipers and solve the problem of unstable fixation of the return spring. The utility model is mainly used for ensuring that the fixing of the return spring is firmer and more reliable.

Description

Return spring for brake caliper and brake caliper

[ field of technology ]

The utility model discloses a return spring for a brake caliper and the brake caliper, and belongs to the technical field of brake calipers.

[ background Art ]

The existing front and rear brakes of the automobile are commonly provided with disc caliper structures, and the existing disc brakes have the phenomenon of dragging, so that abrasion of the friction blocks and the brake discs of the brakes is accelerated, and the abrasion quantity of the friction blocks and the brake discs is increased. In the prior art, a return spring is additionally arranged on the disc brake to reduce dragging, but the existing return spring is unstable in fixation and easy to shift after long-time use, and the return effect of the return spring on the friction block is affected.

[ utility model ]

The utility model aims to solve the problem of unstable fixation of a return spring, and provides the return spring for the brake caliper and the brake caliper, so that the fixation of the return spring is firmer and more reliable.

The technical problems are solved, and the utility model adopts the following technical scheme:

the utility model provides a return spring for brake caliper, the brake caliper includes the pincers body and clutch blocks, and the pincers body is equipped with the locating piece that is used for installing return spring, return spring includes the connecting portion with locating piece connection and makes the clutch blocks keep the first return portion of return trend, the locating piece includes vertical direction and the transverse direction of mutually perpendicular on the horizontal plane, the transverse direction is parallel with the slip direction of clutch blocks, the connecting portion includes with the locating piece in the first spacing portion of vertical direction spacing to and with the locating piece in the spacing second spacing portion of transverse direction.

The beneficial effects of the utility model are as follows:

the return spring comprises the connecting part, the connecting part comprises the first limiting part and the second limiting part, wherein the first limiting part and the positioning block form limiting in the longitudinal direction, and the second limiting part and the positioning block form limiting in the transverse direction, so that the possibility of displacement of the return spring caused by the movement of the friction block can be reduced, the return spring is always kept in place, the connection stability of the connecting part and the positioning block is improved, and the return effect of the return spring is further improved.

Preferably, the connecting portion is provided with a positioning groove for accommodating the positioning block, and two opposite side walls in the positioning groove form the first limiting portion and the second limiting portion.

Preferably, the positioning block is provided with a limiting boss which is limited in the longitudinal direction with the first limiting part, the first limiting part comprises a first connecting plate, and the inner wall of the first connecting plate is provided with a limiting buckle which is abutted with the limiting boss. By adopting the technical effect, through the cooperation of the limiting boss and the limiting buckle, the limiting capacity of the connecting part and the positioning block in the longitudinal direction is improved, the connection stability of the first limiting part and the positioning block is improved, and the possibility that the connecting part is separated from the positioning block is reduced.

Preferably, the first connecting plate is provided with an avoidance notch for avoiding the limit buckle, the limit buckle is obliquely arranged relative to the first connecting plate, and the limit buckle is connected with one side of the avoidance notch, which is close to the opening of the positioning groove. By adopting the technical scheme, the limiting buckle is obliquely arranged relative to the first connecting plate, so that the positioning block and the positioning groove can be installed more quickly and labor-saving; in addition, the deformation range of the limiting buckle can be increased by avoiding the notch, the opening size of the positioning groove can be reduced, after the positioning block is fixed into the positioning groove, the distance between the first connecting plate and the positioning block is smaller, the moving range of the connecting part is wider, and the connection stability of the connecting part and the positioning block is further improved.

Preferably, an unlocking part is arranged at the end part of the first connecting plate, the unlocking part is turned over to the outer side of the positioning groove, and the limiting buckle is separated from the limiting boss by pressing the unlocking part. By adopting the technical scheme, the unlocking part can conveniently detach the return spring, is favorable for replacing or maintaining the return spring, and further improves the service life of the brake caliper.

Preferably, the first limiting portion includes a second connecting plate, and the first return portion is connected to an end portion of the second connecting plate.

Preferably, the first return portion comprises a first abutting end, a first return section and a bottom plate, wherein the first abutting end is abutted to the friction block, the bottom plate is fixedly connected with the connecting portion, and two ends of the first return section are respectively connected with the bottom plate and the first abutting end and bent in an arc shape. By adopting the technical scheme, the first abutting end is abutted with the friction block, so that the contact area between the friction block and the first return part can be increased, and the abrasion degree of the friction block and the first return part after long-term use can be reduced; in addition, the first return section is arc-shaped and is bent, and the first abutting end is pushed when the friction block brakes, so that the first return section deforms, and after the braking is released, the friction block returns due to the reset force generated by the first return section, so that the dragging phenomenon of the friction block is reduced.

Preferably, the second limiting part comprises a limiting plate and a second return part which are oppositely arranged, the second return part is in butt joint with the positioning block, and the second return part enables the return spring to have a return maintaining trend. By adopting the technical scheme, the friction block can drive the return spring to move during braking, the second return part deforms along with the movement of the return spring, and the second return part can increase the movement distance of the friction block; in addition, after the friction block releases the brake, the second return part enables the return spring to have a return maintaining trend, so that the return spring is driven to return, meanwhile, the friction block can be indirectly driven to return, and the dragging phenomenon of the friction block is further reduced.

Preferably, the second return portion includes a second abutting end abutting against the positioning block, and a second return section connected with the connecting portion, and the second return section is bent in an arc shape. By adopting the technical scheme, the second abutting end is abutted with the positioning block, so that the contact area between the positioning block and the second return part can be increased, and the abrasion degree of the friction block and the second return part after long-term use can be reduced; in addition, the second return section is arc-shaped and is bent, and the return spring moves when the friction block brakes, so that the second return section deforms, after braking is released, the return force generated by the second return section enables the return spring to return, and the friction block is indirectly driven to return, so that the dragging phenomenon of the friction block is reduced.

The utility model also discloses a brake caliper, which comprises a caliper body and a friction block movably connected with the caliper body, wherein the caliper body is provided with a return spring for keeping the friction block in a return trend, and the return spring is used for the brake caliper.

Other features and advantages of the present utility model will be disclosed in the following detailed description of the utility model and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the whole structure of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a first embodiment of the present utility model;

FIG. 3 is a schematic view of a caliper body and a return spring according to a first embodiment of the present utility model;

FIG. 4 is a schematic view of a friction block and a return spring according to a first embodiment of the present utility model;

fig. 5 is a schematic overall structure of a second embodiment of the present utility model.

Reference numerals: the novel clamping device comprises a clamp body 1, a positioning block 11, a limiting boss 111, a return spring 2, a first return part 21, a first abutting end 211, a first return section 212, a connecting part 22, a first connecting plate 23, a gap avoiding 231, a limiting buckle 232, an unlocking part 233, a second connecting plate 24, a second abutting end 251, a second return section 252, a limiting plate 26, a friction block 3, a transverse direction 4 and a longitudinal direction 5.

[ detailed description ] of the utility model

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

as shown in fig. 1 to 4, the present embodiment shows a return spring 2 for a brake caliper including a caliper body 1 and a friction block 3, the caliper body 1 being provided with a positioning block 11 for mounting the return spring 2, the return spring 2 including a connecting portion 22 connected with the positioning block 11, and a first return portion 21 for maintaining the friction block 3 in a return tendency, the positioning block 11 including a longitudinal direction 5 and a lateral direction 4 perpendicular to each other on a horizontal plane, the lateral direction 4 being parallel to a sliding direction of the friction block 3, the connecting portion 22 including a first limit portion limited with the positioning block 11 in the longitudinal direction 5, and a second limit portion limited with the positioning block 11 in the lateral direction 4.

In this embodiment, the return spring 2 includes the connecting portion 22, the connecting portion 22 includes a first limiting portion and a second limiting portion, where the first limiting portion and the positioning block 11 form a limit in the longitudinal direction 5, and the second limiting portion and the positioning block 11 form a limit in the transverse direction 4, so that the possibility that the return spring 2 is displaced due to the movement of the friction block 3 can be reduced, the return spring 2 is always kept in place, the connection stability of the connecting portion 22 and the positioning block 11 is improved, and then the return effect of the return spring 2 is improved.

In this embodiment, the connecting portion 22 is provided with a positioning groove for accommodating the positioning block 11, when the return spring 2 is installed, an opening of the positioning groove is aligned with the positioning block 11, and when the positioning block 11 moves along the longitudinal direction 5 of the positioning block 11, the positioning block 11 is inserted into the positioning groove, two opposite side walls in the positioning groove form the first limiting portion and the second limiting portion, the positioning block 11 is provided with a limiting boss 111 limiting the first limiting portion in the longitudinal direction 5, the first limiting portion comprises a first connecting plate 23 and a second connecting plate 24 which are oppositely arranged, the first return portion is connected with the end of the second connecting plate 24, a limiting buckle 232 abutting with the limiting boss 111 is arranged on the inner wall of the first connecting plate 23, after the positioning block 11 is installed in the positioning groove, the limiting boss 111 abuts against the limiting buckle 232, the connecting portion 22 can be limited to be separated from the positioning block 11 in the longitudinal direction 5 through cooperation of the limiting boss 111 and the limiting buckle 232, and further the limiting capability of the connecting portion 22 and the positioning block 11 in the longitudinal direction 5 is improved, the connection stability of the first limiting portion and the positioning block 11 is improved, and the possibility that the connecting portion 22 is separated from the positioning block 11 is reduced.

In order to make the installation of the connecting portion 22 and the positioning block 11 more convenient and quicker, in this embodiment, the first connecting plate 23 is provided with an avoidance notch 231 for avoiding the limit buckle 232, the limit buckle 232 is obliquely arranged relative to the first connecting plate 23, the limit buckle 232 is connected with one side of the avoidance notch 231 close to the opening of the positioning slot, along with the gradual entering of the positioning block 11 into the positioning slot, the upper side surface of the positioning block 11 can extrude the limit buckle 232, so that the limit buckle 232 deflects towards the avoidance notch 231, and the limit buckle 232 is obliquely arranged relative to the first connecting plate 23, so that the installation of the positioning block 11 and the positioning slot is faster and more labor-saving; in addition, the avoiding notch 231 can increase the deformation range of the limiting buckle 232, further reduce the opening size of the positioning groove, and after the positioning block 11 is fixed in the positioning groove, the distance between the first connecting plate 23 and the positioning block 11 is smaller, the moving range of the connecting part 22 is wider, and the connection stability of the connecting part 22 and the positioning block 11 is further improved.

In this embodiment, the end of the first connecting plate 23 is provided with an unlocking portion 233, the unlocking portion 233 is turned towards the outside of the positioning groove, the unlocking portion 233 is pressed to separate the limiting buckle 232 from the limiting boss 111, then the limiting buckle 232 passes over the limiting boss 111 by applying external force to detach the return spring 2, the unlocking portion 233 can conveniently detach the return spring 2, the replacement or maintenance of the return spring 2 is facilitated, and the service life of the brake caliper is further prolonged.

In this embodiment, the first return portion 21 includes a first abutting end 211 abutting against the friction block 3, a first return section 212, and a bottom plate, where the bottom plate is fixedly connected with the connecting portion 22, two ends of the first return section 212 are respectively connected with the bottom plate and the first abutting end 211 and bent in an arc shape, and when the friction block 3 brakes, the friction block 3 pushes the first abutting end 211 due to the abutting of the first abutting end 211 and the friction block 3, so that the first return section 212 deforms, and when the friction block 3 contacts and brakes, the return force generated by the first return section 212 returns the friction block 3, thereby reducing the dragging phenomenon of the friction block 3; in this embodiment, the first abutting end 211 can increase the contact area between the friction block 3 and the first return portion 21, and since the friction block 3 and the first abutting end 211 are in a stressed state for a long time, abrasion can occur between the friction block 3 and the first abutting end 211 after long-term use, and after the contact area is increased by the first abutting end 211, the abrasion degree between the friction block 3 and the first return portion 21 can be effectively reduced.

In this embodiment, the second limiting portion includes a limiting plate 26 and a second return portion that are disposed opposite to each other, where the second return portion abuts against the positioning block 11, and the second return portion makes the return spring 2 have a tendency to keep returning, and the second return portion includes a second abutting end 251 abutting against the positioning block 11, and a second return section 252 connected to the connecting portion 22, where the second return section 252 is bent in an arc shape, and the friction block 3 drives the return spring 2 to move in the braking process, so that the second return section 252 is deformed, and after the braking is released, the return force generated by the second return section 252 makes the return spring 2 return, indirectly drives the friction block 3 to return, so as to reduce the dragging phenomenon of the friction block 3; in this embodiment, the second abutting end 251 abuts against the positioning block 11, so as to increase the contact area between the positioning block 11 and the second return portion, and reduce the wear degree of the friction block 3 and the second return portion after long-term use.

Embodiment two:

as shown in fig. 5, this embodiment shows a brake caliper, including a caliper body 1 and a friction block 3 movably connected to the caliper body 1, where a return spring 2 for maintaining the friction block 3 in a return trend is disposed on the caliper body 1, and the return spring 2 is a return spring 2 for a brake caliper according to the first embodiment or other similar embodiments.

While the utility model has been described in terms of embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a return spring for brake caliper, the brake caliper includes the pincers body and clutch blocks, and the pincers body is equipped with the locating piece that is used for installing return spring, return spring includes the connecting portion of being connected with the locating piece, and makes the clutch blocks keep the first return portion of return trend, its characterized in that: the positioning block comprises a longitudinal direction and a transverse direction which are mutually perpendicular on a horizontal plane, the transverse direction is parallel to the sliding direction of the friction block, and the connecting part comprises a first limiting part which is limited with the positioning block in the longitudinal direction and a second limiting part which is limited with the positioning block in the transverse direction.

2. A return spring for a brake caliper according to claim 1, wherein: the connecting part is provided with a positioning groove for accommodating the positioning block, and two opposite side walls in the positioning groove form the first limiting part and the second limiting part.

3. A return spring for a brake caliper according to claim 2, wherein: the locating piece is equipped with the spacing boss of spacing in longitudinal direction with first spacing portion, first spacing portion includes first connecting plate, and the inner wall of first connecting plate is equipped with the spacing buckle with spacing boss butt.

4. A return spring for a brake caliper according to claim 3, wherein: the first connecting plate is provided with an avoidance notch for avoiding the limit buckle, the limit buckle is obliquely arranged relative to the first connecting plate, and the limit buckle is connected with one side of the avoidance notch, which is close to the opening of the positioning groove.

5. A return spring for a brake caliper according to claim 3, wherein: the end of the first connecting plate is provided with an unlocking part, the unlocking part is turned over to the outer side of the positioning groove, and the unlocking part is pressed to enable the limiting buckle to be separated from the limiting boss.

6. A return spring for a brake caliper according to claim 2, wherein: the first limiting part comprises a second connecting plate, and the first return part is connected with the end part of the second connecting plate.

7. A return spring for a brake caliper according to claim 1, wherein: the first return portion comprises a first abutting end, a first return section and a bottom plate, wherein the first abutting end is abutted to the friction block, the bottom plate is fixedly connected with the connecting portion, and two ends of the first return section are respectively connected with the bottom plate and the first abutting end and bent in an arc shape.

8. A return spring for a brake caliper according to claim 1, wherein: the second limiting part comprises a limiting plate and a second return part which are oppositely arranged, the second return part is in butt joint with the positioning block, and the second return part enables the return spring to have a return maintaining trend.

9. A return spring for a brake caliper according to claim 8, wherein: the second return part comprises a second abutting end abutting against the positioning block and a second return section, and the second return section is respectively connected with the second abutting end and the connecting part and bent in an arc shape.

10. The utility model provides a brake caliper, includes the pincers body and with pincers body swing joint's friction block, is equipped with the return spring that makes the friction block keep return trend on the pincers body, its characterized in that: the return spring employs a return spring for a brake caliper according to any one of claims 1 to 9.