Automobile brake caliper

The automotive brake caliper with a split structure design and an external oil circuit design solves the problems of low structural strength and poor heat dissipation performance of existing brake calipers, achieves higher structural stability and heat dissipation effect, and reduces production costs and installation difficulty.

CN223424504UActive Publication Date: 2025-10-10GUANGZHOU WAN TIAN IND CO LTD
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Patent Information

Application Number
CN202423157990.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-10-10
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing automobile brake calipers have low structural strength, poor heat dissipation performance and are inconvenient to install.

Method used

It adopts a split structural design, including a detachable connection between the first and second caliper bodies, a concave cavity and a hollow structure, and pins are added between the caliper bodies to improve structural strength and installation convenience. At the same time, the external oil circuit design and porous oil channels achieve uniform force and better heat dissipation.

Benefits of technology

The structural stability and heat dissipation performance of the brake caliper are improved, the production cost is reduced, and the installation is more convenient and accurate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of brake calipers. According to the technical scheme, the brake caliper is characterized by comprising a first caliper body, a second caliper body, at least one spring pressing piece and two brake pads. The first clamp body is detachably connected with the second clamp body; concave cavities are formed in the opposite surfaces of the first clamp body and the second clamp body; the two brake pads are slidably mounted in the two concave cavities in a one-to-one correspondence manner through positioning pins, and the output end of the first driving module and the output end of the second driving module abut against the two brake discs in a one-to-one correspondence manner; the spring pressing sheet is installed on the top of a containing cavity formed by the two concave cavities in a matched mode. A plurality of hollow structures are arranged on the first clamp body and the second clamp body; the whole structure is stable, split forging is adopted, the production cost is reduced, and installation is more convenient; by arranging a plurality of hollow structures, the whole brake caliper can be lighter, and the heat dissipation effect is improved; and the brake caliper can be matched with the driving module with the corresponding size according to the oil supply quantity of different vehicle types.
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Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, and more specifically, to an automobile brake caliper. Background Art

[0002] With the advancement of science and technology and economic development, people's living standards have gradually improved, and the use of cars has also increased. Cars have become an important means of transportation for people. People are also paying more and more attention to car safety. Among them, service braking is a key aspect of car safety.

[0003] Hydraulic brake calipers are widely used in automotive braking systems. They primarily achieve braking by injecting oil into the oil chamber between the piston and the caliper body, causing the piston to push the brake pads against the brake disc. Existing automotive brake calipers, most of which have a one-piece caliper body, suffer from low overall structural strength, poor heat dissipation, and are difficult to install. To address this, we propose a new automotive brake caliper. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an automobile brake caliper to solve the technical problems existing in the existing automobile brake calipers in the above background technology.

[0005] The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: A car brake caliper, comprising: a first caliper body, a second caliper body, at least one spring pressure plate, and two brake pads; the first caliper body and the second caliper body are detachably connected; the first caliper body and the second caliper body are provided with concave cavities on the surfaces opposite to each other; the two brake pads can be slidably installed in the two concave cavities through positioning pins, so as to cooperate to form a receiving groove for accommodating the brake disc; the first caliper body and the second caliper body are respectively provided with a first drive module and a second drive module; the output ends of the first drive module and the second drive module are respectively abutted against the two brake discs; the spring pressure plate is installed at the top of the accommodating cavity formed by the two concave cavities; the middle end of the spring pressure plate is respectively clamped with the first caliper body and the second caliper body, and its two ends are respectively abutted against the two brake discs; a number of hollow structures are respectively provided on the first caliper body and the second caliper body.

[0006] Optionally, an anti-collision plate is installed at both ends of the two brake pads respectively; the assembly end of the anti-collision plate is fixedly installed in the concave cavity by screws; and the anti-collision plate can abut against the brake pads.

[0007] Optionally, the first driving module comprises five first driving pistons; the first caliper body is provided with five first piston cavities corresponding to the five first driving pistons; one end of each of the five first driving pistons is slidably installed in a corresponding one of the five first piston cavities, and the other end of each of the five first driving pistons abuts against a brake pad; the first caliper body is provided with a first oil delivery pipeline; and the first oil delivery pipeline is in communication with the five first piston cavities respectively.

[0008] Optionally, the second driving module comprises five second driving pistons corresponding to the five first driving pistons; the second caliper body is provided with five second piston cavities corresponding to the five second driving pistons; one end of each of the five second driving pistons is slidably installed in a corresponding one of the five second piston cavities, and the other end of each of the five second driving pistons abuts against the other brake pad; the second caliper body is provided with a second oil delivery pipeline; and the second oil delivery pipeline is in communication with the five second piston cavities respectively.

[0009] Optionally, the top of each of the first caliper body and the second caliper body is provided with a rib structure.

[0010] The utility model discloses a whole stable structure, adopts split type forging, reduces production cost, and the pin is additionally arranged in the concave cavity between the two caliper bodies, so that installation is more convenient, and the structure strength is increased while installation precision is increased; a plurality of hollow structures are arranged on the caliper body, so that the brake caliper is more portable as a whole, the caliper body is more favorable for heat dissipation, and the overall heat dissipation effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the assembly drawing of the utility model;

[0012] Figure 2 is Figure 1 the bottom view of

[0013] Figure 3 is the structural schematic view of the first caliper body in the utility model;

[0014] Figure 4 is the structural schematic view of the second caliper body and spring pressing piece in the utility model;

[0015] Figure 5 is the structural schematic view of the spring pressing piece in the utility model.

[0016] In the drawing: 1, first caliper body; 2, second caliper body; 3, spring pressing piece; 4, brake pad; 5, first driving module; 51, first driving piston; 52, first piston cavity; 6, second driving module; 61, second driving piston; 7, anti-collision piece; 8, first oil delivery pipeline; 9, second oil delivery pipeline; 10, hollow structure; 11, positioning pin; 12, rib structure. DETAILED DESCRIPTION

[0017] To make the objectives, features, and advantages of the present invention more readily apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings. The accompanying drawings illustrate several embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0018] In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features.

[0019] In the present invention, unless otherwise expressly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The terms "vertical," "horizontal," "left," "right," "above," "below," and similar expressions are for illustrative purposes only and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1As shown, the utility model provides a vehicle brake caliper, comprising: a first caliper body 1, a second caliper body 2, at least one spring pressure plate 3, and two brake pads 4; the first caliper body 1 and the second caliper body 2 are detachably connected; the first caliper body 1 and the second caliper body 2 are both provided with concave cavities on their mutually opposing surfaces; the two brake pads 4 are slidably mounted in the two concave cavities in a one-to-one correspondence via positioning pins 11, so as to form a receiving groove for receiving the brake disc; the first caliper body 1 and the second caliper body 2 are respectively provided with a first drive module 5 and a second drive module 6; the output ends of the first drive module 5 and the second drive module 6 respectively correspond to the two brake discs. Abutment; the spring pressure plate 3 is installed on the top of the accommodating cavity formed by the cooperation of the two concave cavities; the middle end of the spring pressure plate 3 is respectively clamped with the first caliper body 1 and the second caliper body 2, and its two ends are respectively abutted with the two brake discs; the first caliper body 1 and the second caliper body 2 are respectively provided with a number of hollow structures 10; the overall structure is stable, and the split forging is adopted to reduce the production cost. At the same time, pins are added in the concave cavity between the two caliper bodies to make the installation more convenient, and the structural strength is increased while the installation accuracy is increased; a number of hollow structures 10 are provided on the caliper body, which can make the brake caliper as a whole lighter, more conducive to the heat dissipation of the caliper body, and improve the overall heat dissipation effect.

[0022] Furthermore, an anti-collision sheet 7 is installed at both ends of the two brake pads 4; the assembly end of the anti-collision sheet 7 is fixedly installed in the concave cavity by screws; the anti-collision sheet 7 can abut against the brake pad 4; Figures 2-4 As shown, specifically, by providing the anti-collision sheet 7, the noise generated during the braking process of the brake caliper can be reduced.

[0023] Furthermore, the first driving module 5 includes: five first driving pistons 51; five first piston chambers 52 corresponding to the five driving pistons are provided on the first caliper body 1; one end of the five first driving pistons 51 are slidably installed in the five first piston chambers 52 respectively, and the other end thereof abuts against one of the brake pads 4; a first oil pipeline 8 is opened on the first caliper body 1; the first oil pipeline 8 is connected to the five first piston chambers 52 respectively.

[0024] Furthermore, the second drive module 6 includes: five second drive pistons 61 corresponding one-to-one to the five first drive pistons 51; five second piston cavities corresponding one-to-one to the five second drive pistons 61 are provided on the second caliper body 2; one ends of the five second drive pistons 61 are slidably installed in the five second piston cavities one-to-one, and the other ends thereof are in contact with another brake pad 4; a second oil pipeline 9 is opened on the second caliper body 2; the second oil pipeline 9 is connected to the five second piston cavities respectively.

[0025] In this embodiment, if Figures 1-4 As shown, the oil circuits on the two calipers are set up in an external oil circuit design and a multi-hole oil channel assembly method, that is, the piston chambers are independent of each other, and each piston chamber is connected to the oil pipeline. Compared with the previous design of internal oil channels in which the piston chambers are connected to each other, this design can achieve the effect of reducing costs and increasing efficiency; it adopts a bilateral arrangement structure of 10 pistons and realizes braking through a built-in oil circuit, which ensures uniform force and better overall braking effect.

[0026] In other embodiments, the sizes of the driving pistons on the first caliper body 1 and the second caliper body 2 can be adapted to different sizes of driving pistons according to the oil supply amounts of different vehicle models.

[0027] Furthermore, the tops of the first pliers body 1 and the second pliers body 2 are both provided with rib structures 12 ; the design of providing the rib structures 12 on the tops of the two pliers bodies can effectively increase the structural strength of the pliers bodies.

[0028] The utility model provides an automobile brake caliper with a stable overall structure and adopts split forging to reduce production costs. At the same time, pins are added in the concave cavity between the two caliper bodies, making installation more convenient, and increasing the structural strength while increasing the installation accuracy; a plurality of hollow structures 10 are arranged on the caliper body, which can make the brake caliper as a whole lighter, more conducive to the heat dissipation of the caliper body, and improve the overall heat dissipation effect.

[0029] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. An automobile brake caliper, characterized in that: include: A first caliper body, a second caliper body, at least one spring pressure piece, and two brake pads; the first caliper body and the second caliper body are detachably connected; concave cavities are provided on the opposite surfaces of the first caliper body and the second caliper body; the two brake pads can be slidably installed in the two concave cavities through positioning pins, so as to form a receiving groove for accommodating the brake disc; the first caliper body and the second caliper body are respectively provided with a first drive module and a second drive module; the output ends of the first drive module and the second drive module are respectively abutted against the two brake discs; the spring pressure piece is installed on the top of the accommodating cavity formed by the two concave cavities; the middle end of the spring pressure piece is respectively clamped with the first caliper body and the second caliper body, and its two ends are respectively abutted against the two brake discs; a number of hollow structures are respectively provided on the first caliper body and the second caliper body.

2. The automobile brake caliper according to claim 1, characterized in that: An anti-collision plate is respectively installed at both ends of the two brake pads; the assembly end of the anti-collision plate is fixedly installed in the concave cavity by screws; and the anti-collision plate can abut against the brake pads.

3. The automobile brake caliper according to claim 1, characterized in that: The first drive module includes: five first drive pistons; five first piston cavities corresponding to the five drive pistons are provided on the first caliper body; one end of the five first drive pistons are slidably installed in the five first piston cavities respectively, and the other end thereof abuts against one of the brake pads; a first oil pipeline is opened on the first caliper body; the first oil pipeline is connected to the five first piston cavities respectively.

4. The automobile brake caliper according to claim 3, characterized in that: The second drive module includes: five second drive pistons corresponding one-to-one to the five first drive pistons; five second piston cavities corresponding one-to-one to the five second drive pistons are provided on the second caliper body; one end of the five second drive pistons are slidably installed in the five second piston cavities respectively, and the other ends thereof abut against another brake pad; a second oil pipeline is opened on the second caliper body; the second oil pipeline is connected to the five second piston cavities respectively.

5. The automobile brake caliper according to claim 1, characterized in that: The tops of the first clamp body and the second clamp body are both provided with rib structures.