CN219521975U

CN219521975U - Tool for fixing caliper piston press fitting

Info

Publication number: CN219521975U
Application number: CN202320229095.9U
Authority: CN
Inventors: 王夫健; 冯登荣; 罗家韦
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-08-15
Anticipated expiration: 2033-02-16

Abstract

The utility model belongs to the technical field of automobile part machining tools, and particularly relates to a tool for press fitting of a fixed caliper piston. The device comprises a bracket, wherein a moment input assembly, a force transmission assembly and an extrusion assembly are arranged on the bracket, the moment input assembly is connected with the force transmission assembly, and the force transmission assembly is connected with the extrusion assembly; the extrusion assembly comprises a first extrusion plate and a second extrusion plate, and the first extrusion plate and the second extrusion plate are arranged on two sides of the support. Simple structure, convenient operation can be convenient and fast with the piston pressure equipment of fixed calliper both sides in the fixed calliper.

Description

Tool for fixing caliper piston press fitting

Technical Field

The utility model belongs to the technical field of automobile part machining tools, and particularly relates to a tool for press fitting of a fixed caliper piston.

Background

During the use of the automobile, the caliper piston can be gradually pressed out of the caliper body along with the abrasion of the friction block, and the piston needs to be pressed into the caliper body again when a new friction block is replaced. Chinese patent CN209755055U discloses a mounting and dismounting tool for brake caliper pistons, but it is only applicable to press mounting of floating calipers with only one side piston, and is not applicable to fixed calipers with pistons distributed on both sides of the brake disc. The fixed calipers are called opposite calipers, and compared with the floating calipers, pistons are distributed on the inner side and the outer side of the fixed calipers, and due to the structural limitation of the fixed calipers, the pressing force of the pistons on the two sides is required to be perpendicular to the manually applied thrust, so that the press-fitting operation is inconvenient.

Disclosure of Invention

The purpose of the utility model is that: the utility model aims at providing a tool for pressing the pistons of the fixed calipers, which is used for conveniently and rapidly pressing the pistons at two sides of the fixed calipers into the fixed calipers.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the tool for fixing the caliper piston in the press fitting mode comprises a support, wherein a moment input assembly, a force transmission assembly and an extrusion assembly are arranged on the support, the moment input assembly is connected with the force transmission assembly, and the force transmission assembly is connected with the extrusion assembly;

the torque input assembly is used for transmitting acting force applied by workers, the force transmission assembly is used for converting the direction of the acting force applied by the workers, and the extrusion assembly is used for extruding pistons on two sides of the fixed calipers.

The device is arranged in such a way, external force is input through the torque input assembly, the external force is transmitted through the force transmission assembly, and pistons at two sides of the extrusion assembly are extruded, so that the device is simple in structure and convenient to operate.

Preferably, the extrusion assembly comprises a first extrusion plate and a second extrusion plate, wherein the first extrusion plate is horizontally arranged on one side of the bracket in a sliding manner, and the second extrusion plate is fixedly connected on the other side of the bracket. The arrangement is convenient for extrusion.

Preferably, the torque input assembly comprises a handle, a shaft lever is rotatably arranged on the bracket, and the handle is fixedly connected to the top end of the shaft lever. The arrangement is beneficial to the press fitting operation of workers.

Preferably, the force transmission assembly comprises a gear, the gear is fixedly connected to the shaft rod, a rack is horizontally and slidably arranged on the support, and the gear is meshed with the rack. The arrangement is beneficial to converting the torque applied by a worker into the pressure in the linear direction, and the press fitting is convenient.

Preferably, the rack is fixedly connected with the first extrusion plate. The arrangement is beneficial to extruding the piston at one side of the first extruding plate.

Preferably, the bracket is provided with a mounting hole, the second extrusion plate is fixedly connected with a sleeve, the sleeve is fixedly arranged in the mounting hole, and one end of the rack is slidably arranged in the sleeve. The arrangement is beneficial to extruding the piston at one side of the second extruding plate.

The utility model adopting the technical scheme has the following advantages:

in this scheme, only need place the support between two not hard up pistons, first stripper plate and second stripper plate support two pistons respectively, and the workman only need twist the handle, after first stripper plate with the piston pressure equipment of one side in place, continue to twist the handle, under the effect of the reaction force that calliper applyed, the second stripper plate can compress tightly the piston of opposite side, simple structure, convenient operation, pressure equipment is effectual.

Drawings

The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic overall construction of an embodiment of a tool for press fitting a fixed caliper piston of the present utility model;

FIG. 2 is a schematic exploded view of an embodiment of a tool for press fitting a fixed caliper piston according to the present utility model;

FIG. 3 is a schematic illustration of a press-fit operation of an embodiment of a tool for press-fitting a fixed caliper piston of the present utility model.

The main reference numerals are as follows:

1. a bracket; 11. a mounting hole; 2. a first pressing plate; 3. a second pressing plate; 31. a sleeve; 4. a handle; 5. a shaft lever; 6. a gear; 7. a rack.

Detailed Description

The present utility model will be described in detail below with reference to the drawings and the specific embodiments, wherein like or similar parts are designated by the same reference numerals throughout the drawings or the description, and implementations not shown or described in the drawings are in a form well known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc. in the embodiments are merely directions with reference to the drawings, and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 3, the tool for press fitting of a fixed caliper piston of the present utility model includes a bracket 1, and a torque input assembly, a force transmission assembly and an extrusion assembly are mounted on the bracket 1.

In this embodiment, the bracket 1 is placed on two piston brackets 1 of a fixed caliper, a worker applies a force through a torque input assembly, and through the transmission of a force transmission assembly, the two pistons are sequentially press-fitted into the caliper by an extrusion assembly.

As shown in fig. 1 and 2, the torque input assembly includes a handle 4 and a shaft 5, where the handle 4 is fixedly mounted on top of the shaft 5 in a welded or clamped manner, a shaft 5 mounting via hole is formed on the bracket 1, and the shaft 5 is rotatably mounted in the shaft 5 mounting via hole.

In the embodiment, when the press-fitting operation is performed, a worker only needs to rotate the handle 4, and the operation is simple.

As shown in fig. 1 and 2, the force transmission assembly comprises a gear 6 and a rack 7, wherein the gear 6 is fixedly arranged on the shaft lever 5 through key connection, the rack 7 is horizontally and slidably arranged on the bracket 1, and the gear 6 is meshed with the rack 7.

In this embodiment, the handle 4 rotates to drive the shaft lever 5 to rotate, and then drive the gear 6 to rotate, and the gear 6 is meshed to drive the rack 7 to move horizontally.

As shown in fig. 2 and 3, the extrusion assembly includes a first extrusion plate 2 and a second extrusion plate 3, the first extrusion plate 2 and the second extrusion plate 3 are respectively disposed at two sides of the support 1, a mounting hole 11 is formed in the support 1, a sleeve 31 is welded at one side of the second extrusion plate 3, the sleeve 31 is fixedly mounted in the mounting hole 11 in a manner of welding or threaded connection, one end of the rack 7 is slidably mounted in the sleeve 31, and the other end of the rack 7 is welded with the first extrusion plate 2.

In this embodiment, during press fitting, the gear 6 rotates to drive the rack 7 to move horizontally to drive the first extrusion plate 2 to extrude the piston at one side, after the piston at one side is pressed in place, the acting force is continuously applied, and under the reaction force of the caliper, the second extrusion plate 3 extrudes the piston at the other side until the piston at the other side is pressed in place.

The principle of the utility model is explained: placing the support 1 between the two pistons, propping the second extrusion plate 3 against one of the pistons, adjusting the position of the first extrusion plate 2 to prop against the other piston, twisting the handle 4 by a worker, driving the shaft lever 5 to rotate, firstly press-fitting the piston on one side of the first extrusion plate 2 through the gear 6 and rack 7 transmission, continuing to twist the handle 4 after the piston on one side of the first extrusion plate 2 is press-fitted, and applying a reaction force to the support 1 by the calipers at the moment, so that the second extrusion plate 3 extrudes the piston on the other side until the piston on the other side is press-fitted in place. The rotary handle 4 can be reset after the press fitting is completed, and the structure is simple and the operation is convenient.

The tool for press fitting of the fixed caliper piston provided by the utility model is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A tool for press fitting of a fixed caliper piston, characterized by: the device comprises a bracket (1), wherein a moment input assembly, a force transmission assembly and an extrusion assembly are arranged on the bracket (1), the moment input assembly is connected with the force transmission assembly, and the force transmission assembly is connected with the extrusion assembly;

2. A tool for fixing a caliper piston press-fit as claimed in claim 1, wherein: the extrusion assembly comprises a first extrusion plate (2) and a second extrusion plate (3), wherein the first extrusion plate (2) is horizontally arranged on one side of the support (1) in a sliding mode, and the second extrusion plate (3) is fixedly connected on the other side of the support (1).

3. A tool for fixing a caliper piston press-fit as claimed in claim 2, wherein: the torque input assembly comprises a handle (4), a shaft lever (5) is rotatably arranged on the bracket (1), and the handle (4) is fixedly connected to the top end of the shaft lever (5).

4. A tool for fixing a caliper piston press-fit as claimed in claim 3, wherein: the force transmission assembly comprises a gear (6), the gear (6) is fixedly connected to the shaft rod (5), a rack (7) is horizontally and slidably arranged on the support (1), and the gear (6) is meshed with the rack (7).

5. A tool for holding a caliper piston press-fit as defined in claim 4, wherein: the rack (7) is fixedly connected with the first extrusion plate (2).

6. A tool for holding a caliper piston press-fit as defined in claim 5, wherein: the mounting hole (11) is formed in the support (1), the sleeve (31) is fixedly connected to the second extrusion plate (3), the sleeve (31) is fixedly installed in the mounting hole (11), and one end of the rack (7) is slidably installed in the sleeve (31).