Device for installing brake piston

By designing an automated installation brake piston device, using a motor to drive the bidirectional threaded rod and clamp movement, the piston is accurately positioned and automatically installed, solving the piston damage caused by manual adjustment in the prior art, and improving installation efficiency and safety.

CN223160446UActive Publication Date: 2025-07-29SHANDONG PORT BOHAI BAY PORT GRP CO LTD +1
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421710118.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-07-29
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

In the prior art, the jack needs to be manually adjusted to the center of the brake piston when installing it, otherwise the piston may be damaged.

Method used

A device for installing a brake piston is designed, including a positioning mechanism and an assembly mechanism, which drives the bidirectional threaded rod to drive the clamp movement through the motor to ensure that the jack is accurately moved to the center of the brake caliper assembly, and limit the piston through the clamp slot and the clamp slot to achieve automatic installation.

Benefits of technology

The automatic installation of the piston is realized, which avoids piston damage caused by the jack top bias, improves installation efficiency and safety, and is suitable for any leveling ground operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223160446U_ABST
    Figure CN223160446U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of industry, in particular to a device for installing a brake piston, which comprises a base, the back of the base is fixedly connected with a back plate, the top of the back plate is fixedly connected with a top plate, the front of the back plate is provided with a positioning mechanism, and the top of the base is provided with a brake caliper assembly. The positioning mechanism comprises a sliding groove, a first sliding block, a first clamping plate, a second sliding block, a second clamping plate, a motor, a bidirectional threaded rod and a side plate. The sliding groove is formed in the front face of the back plate, the first sliding block and the second sliding block are slidably connected into the sliding groove, the first clamping plate is fixedly connected to the front face of the first sliding block, the second clamping plate is fixedly connected to the front face of the second sliding block, and the motor drives the bidirectional threaded rod to rotate. The two-way threaded rod rotates to drive the first clamping plate and the second clamping plate to move in a mirror image mode, the jack is moved to the center of the brake caliper assembly, and the situation that a piston is damaged due to the fact that the jack deflects in the jacking process is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of industry, and specifically relates to a device for installing a brake piston. Background Technique

[0002] The caliper disc brake is a type of disc brake. Its rotating element is a metal disc that works on the end face, called the brake disc. The fixed element is a brake block composed of a friction block with a small working area and its metal back plate. There are 2 - 4 of these brake blocks in each brake, and these brake blocks and their actuating devices are all installed in a caliper-shaped bracket that straddles both sides of the brake disc, which is collectively called a brake caliper. The brake disc and the brake caliper together constitute the caliper disc brake. Two pistons need to be installed during the manufacturing process of the brake caliper assembly.

[0003] After retrieval, the patent with the Chinese patent publication number CN203604508U discloses a floating brake caliper, including a caliper body, a piston, a sealing ring, and brake pads. The piston is divided into a piston body and a piston head, and the sealing ring is sleeved on the piston body; a piston hole is provided in the caliper body, the piston body with the sealing ring sleeved on it is installed in the piston hole, the piston head is installed on the piston body, and the brake pads are arranged between the piston head and the brake disc. The above patent has the following deficiencies: Although the piston can be installed on the brake caliper assembly through a jack, the jack needs to be manually adjusted to the center before installation, otherwise the jack may be off-center, resulting in piston damage. In view of this, we propose a device for installing a brake piston. Content of the Utility Model

[0004] The purpose of the utility model is to provide a device for installing a brake piston to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution:

[0006] A device for installing a brake piston includes a base. A back plate is fixedly connected to the back of the base, a top plate is fixedly connected to the top of the back plate, a positioning mechanism is arranged on the front of the back plate, and a brake caliper assembly is arranged on the top of the base;

[0007] The positioning mechanism includes a sliding groove, a first slider, a first clamping plate, a second slider, a second clamping plate, a motor, a bidirectional threaded rod, and a side plate;

[0008] The sliding groove is opened on the front of the back plate. The first slider and the second slider are slidably connected inside the sliding groove. The first clamping plate is fixedly connected to the front of the first slider, the second clamping plate is fixedly connected to the front of the second slider, and a jack is arranged between the first clamping plate and the second clamping plate. The first slider and the second slider are limited by the sliding groove.

[0009] Preferably, the motor is fixedly connected to the front surface of the back plate. The left output end of the motor is fixedly connected to the right end of the bidirectional threaded rod. The left end of the bidirectional threaded rod is rotatably connected to the right side of the side plate through a bearing. The side plate is fixedly connected to the front surface of the back plate, and the side plate is provided to provide a supporting force for the bidirectional threaded rod.

[0010] Preferably, the middle part of the bidirectional threaded rod threadedly penetrates through the left and right ends of the first slider and the second slider. The first slider is arranged on the left side of the second slider.

[0011] Preferably, an assembly mechanism is provided on the brake caliper assembly. The assembly mechanism includes a notch. The notch is opened on the left and right sides of the brake caliper assembly. A clamping groove is opened at the bottom of the notch. A piston is clamped inside the clamping groove. The clamping groove is provided to limit the piston.

[0012] Preferably, a bracket is arranged on the top of the brake caliper assembly. Two cross plates are arranged at the bottom of the bracket. The two cross plates are respectively arranged inside the two clamping grooves. The jack is arranged on the top of the bracket.

[0013] Preferably, two columns are fixedly connected to the top of the base. The top ends of the columns are fixedly connected to the top of the top plate. Universal wheels are fixedly connected to the bottom of the base. A push handle is fixedly connected to the top of the base.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] The bidirectional threaded rod is rotated by the motor. The rotation of the bidirectional threaded rod drives the first clamping plate and the second clamping plate to move mirror-symmetrically, and moves the jack to the center of the brake caliper assembly, avoiding the situation that the piston is damaged due to the deviation of the jack during the jacking process.

[0016] After the jack is raised, it presses against the top plate to generate a downward pressure, and two pistons are simultaneously installed into the clamping grooves inside the brake caliper assembly. The whole process can be completed independently by one person, can be used on any flat ground, is simple and easy to learn, the device is small and convenient, and does not require secondary adjustment, improving the work installation efficiency of maintenance workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the bottom structure of the present utility model;

[0019] Figure 3 is a schematic diagram of the positioning mechanism area in the present utility model;

[0020] Figure 4This is a schematic diagram of the assembly mechanism area in the present utility model.

[0021] In the figure: 1, base; 2, back plate; 3, column; 4, top plate; 5, positioning mechanism; 6, jack; 7, brake caliper assembly; 8, assembly mechanism; 9, universal wheel; 10, push handle; 51, chute; 52, first slider; 53, first clamping plate; 54, second slider; 55, second clamping plate; 56, motor; 57, bidirectional threaded rod; 58, side plate; 81, notch; 82, card slot; 83, piston; 84, bracket. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Embodiment 1

[0023] As Figures 1 - 3 shown, a device for installing a brake piston includes a base 1, a back plate 2 is fixedly connected to the back of the base 1, a top plate 4 is fixedly connected to the top of the back plate 2, a positioning mechanism 5 is arranged on the front of the back plate 2, and a brake caliper assembly 7 is arranged on the top of the base 1;

[0024] The positioning mechanism 5 includes a chute 51, a first slider 52, a first clamping plate 53, a second slider 54, a second clamping plate 55, a motor 56, a bidirectional threaded rod 57, and a side plate 58;

[0025] The chute 51 is opened on the front of the back plate 2, the first slider 52 and the second slider 54 are slidably connected inside the chute 51, the first clamping plate 53 is fixedly connected to the front of the first slider 52, the second clamping plate 55 is fixedly connected to the front of the second slider 54, and a jack 6 is arranged between the first clamping plate 53 and the second clamping plate 55.

[0026] The first slider 52 and the second slider 54 are limited by the chute 51.

[0027] The motor 56 is fixedly connected to the front of the back plate 2, the left output end of the motor 56 is fixedly connected to the right end of the bidirectional threaded rod 57, the left end of the bidirectional threaded rod 57 is rotatably connected to the right side of the side plate 58 through a bearing, and the side plate 58 is fixedly connected to the front of the back plate 2.

[0028] The side plate 58 is provided to provide a supporting force for the bidirectional threaded rod 57.

[0029] The middle part of the bidirectional threaded rod 57 passes through the left and right ends of the first slider 52 and the second slider 54, and the first slider 52 is arranged on the left side of the second slider 54.

[0030] Specifically, the motor 56 drives the bidirectional threaded rod 57 to rotate. The rotation of the bidirectional threaded rod 57 drives the first clamping plate 53 and the second clamping plate 55 to move mirror-symmetrically, and moves the jack 6 to the center of the brake caliper assembly 7. Embodiment 2

[0031] As Figures 1 - 4 shown, an assembly mechanism 8 is provided on the brake caliper assembly 7. The assembly mechanism 8 includes a notch 81, the notch 81 is opened on the left and right sides of the brake caliper assembly 7, a clamping groove 82 is opened at the bottom of the notch 81, and a piston 83 is clamped inside the clamping groove 82.

[0032] The piston 83 is limited by providing the clamping groove 82.

[0033] A bracket 84 is provided at the top of the brake caliper assembly 7. Two cross plates are provided at the bottom of the bracket 84, and the two cross plates are respectively arranged inside the two clamping grooves 82, and the jack 6 is arranged at the top of the bracket 84.

[0034] Two columns 3 are fixedly connected to the top of the base 1, the top ends of the columns 3 are fixedly connected to the top of the top plate 4, universal wheels 9 are fixedly connected to the bottom of the base 1, and a push handle 10 is fixedly connected to the top of the base 1.

[0035] Specifically, after the jack 6 is raised and presses against the top plate 4 to generate a downward pressure, the two pistons 83 are simultaneously installed into the clamping grooves 82 inside the brake caliper assembly 7.

[0036] The working principle of the present utility model is as follows:

[0037] When in use, first place the device on a flat surface, place the brake caliper assembly 7 on the device base 1, then place the bracket 84 on the brake caliper assembly 7, and the cross plate at the bottom of the bracket 84 is snapped into the notch 81. Subsequently, place the jack 6 on the bracket 84, turn on the motor 56 to drive the bidirectional threaded rod 57 to rotate. The rotation of the bidirectional threaded rod 57 drives the first slider 52 and the second slider 54 to move mirror-symmetrically. The mirror-symmetrical movement of the first slider 52 and the second slider 54 drives the first clamping plate 53 and the second clamping plate 55 to move mirror-symmetrically, and moves the jack 6 to the middle of the bracket 84. Then press the jack 6 to make it press against the top plate 4 to generate a downward pressure to drive the bracket 84 to move downward, and the downward movement of the bracket 84 installs the piston 83 into the clamping groove 82 of the brake caliper assembly 7.

[0038] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A device for installing a brake piston, characterized in that, Including: A base (1), a back plate (2) is fixedly connected to the back of the base (1), a top plate (4) is fixedly connected to the top of the back plate (2), a positioning mechanism (5) is arranged on the front of the back plate (2), and a brake caliper assembly (7) is arranged on the top of the base (1); The positioning mechanism (5) includes a chute (51), a first slider (52), a first clamping plate (53), a second slider (54), a second clamping plate (55), a motor (56), a bidirectional threaded rod (57), and a side plate (58); The chute (51) is opened on the front of the back plate (2), the first slider (52) and the second slider (54) are slidably connected inside the chute (51), the first clamping plate (53) is fixedly connected to the front of the first slider (52), the second clamping plate (55) is fixedly connected to the front of the second slider (54), and a jack (6) is arranged between the first clamping plate (53) and the second clamping plate (55).

2. The device for installing a brake piston according to claim 1, characterized in that: The motor (56) is fixedly connected to the front of the back plate (2), the left output end of the motor (56) is fixedly connected to the right end of the bidirectional threaded rod (57), the left end of the bidirectional threaded rod (57) is rotatably connected to the right side of the side plate (58) through a bearing, and the side plate (58) is fixedly connected to the front of the back plate (2).

3. The device for installing a brake piston according to claim 2, characterized in that: The middle part of the bidirectional threaded rod (57) threadedly penetrates through the left and right ends of the first slider (52) and the second slider (54), and the first slider (52) is arranged on the left side of the second slider (54).

4. The device for installing a brake piston according to claim 1, characterized in that: An assembly mechanism (8) is arranged on the brake caliper assembly (7), the assembly mechanism (8) includes a notch (81), the notch (81) is opened on the left and right sides of the brake caliper assembly (7), a clamping groove (82) is opened at the bottom of the notch (81), and a piston (83) is clamped inside the clamping groove (82).

5. The device for installing a brake piston according to claim 4, characterized in that: A bracket (84) is arranged on the top of the brake caliper assembly (7), two cross plates are arranged at the bottom of the bracket (84), the two cross plates are respectively arranged inside the two clamping grooves (82), and the jack (6) is arranged on the top of the bracket (84).

6. The device for installing a brake piston according to claim 1, characterized in that: Two columns (3) are fixedly connected to the top of the base (1), the top ends of the columns (3) are fixedly connected to the top of the top plate (4), universal wheels (9) are fixedly connected to the bottom of the base (1), and a push handle (10) is fixedly connected to the top of the base (1).

Citation Information

Patent Citations

  • Floating type brake pincers

    CN203604508U