Press-fitting limiting tool for elastic cylindrical pin of brake master cylinder

Abstract

The utility model discloses a brake master cylinder elastic cylindrical pin press-fitting limiting tool which comprises a fixing plate, and a fixing base, a top limiting structure and a lateral limiting structure are fixed to the fixing plate. The top limiting structure is located on one side of the fixed base, and the lateral limiting structure is located on the other side of the fixed base. The fixed base comprises a first base, a fixed seat is fixed to the first base, a top groove is formed in the first base, a first limiting plate is arranged in the top groove, the lower end of the first limiting plate is located in the top groove, the upper end of the first limiting plate abuts against the fixed seat, and the upper end of the first limiting plate is fixed to the fixed seat through a bolt; one end of the fixing base abuts against the first limiting plate, a limiting groove is formed in the other end of the fixing base, a second limiting plate is fixed in the limiting groove, and the second limiting plate is parallel to the first limiting plate. The press fitting device is high in universality, can be suitable for press fitting of brake master cylinders of different models, and has the advantages of being simple in structure, ingenious in design and the like.

Description

Technical Field

[0001] This utility model relates to a pressure-fitting and limiting tooling for an elastic cylindrical pin on a brake master cylinder, belonging to the technical field of automotive brake master cylinders. Background Technology

[0002] The master cylinder is a core component of a car's braking system. Its main function is to convert the mechanical energy generated by the driver pressing the brake pedal into hydraulic energy, thereby driving the wheel brakes to decelerate and stop the vehicle. The performance and condition of the master cylinder directly affect the reliability and safety of the braking system.

[0003] The assembly of the brake master cylinder with the oil inlet or the assembly of the brake master cylinder with the oil reservoir requires pressing the elastic cylindrical pin into the pin hole of the brake master cylinder. The existing assembly methods mostly use special tooling to assemble different brake master cylinders, which is not only time-consuming and labor-intensive, but also prone to errors. Utility Model Content

[0004] The purpose of this utility model is to provide a brake master cylinder elastic cylindrical pin press-fit limiting tool, which is highly versatile and can be used to press-fit different models of brake master cylinders. It has the advantages of simple structure and ingenious design.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A brake master cylinder elastic cylindrical pin press-fit limiting fixture includes a fixed plate, on which a fixed base, a top limiting structure, and a side limiting structure are fixed. The top limiting structure is located on one side of the fixed base, and the side limiting structure is located on the other side of the fixed base. The fixed base includes a first base, on which a fixed seat is fixed. The first base has a top groove, and a first limiting plate is disposed in the top groove. The lower end of the first limiting plate is located in the top groove, and the upper end of the first limiting plate abuts against the fixed seat. The upper end of the first limiting plate is fixed to the fixed seat by bolts. One end of the fixed seat abuts against the first limiting plate, and the other end of the fixed seat is provided with a limiting groove. A second limiting plate is fixed in the limiting groove, and the second limiting plate is parallel to the first limiting plate. The top of the fixed seat is provided with a V-shaped fixing groove, which is parallel to the second limiting plate. The fixed seat is also provided with a groove body, which is located on the side of the fixed seat near the first limiting plate and is perpendicular to the fixing groove.

[0007] In the aforementioned brake master cylinder elastic cylindrical pin press-fit limiting fixture, the lateral limiting structure includes a second base, on which a horizontally arranged limiting tube is provided, and a first limiting post is provided inside the limiting tube. One end of the first limiting post faces the fixed base, and the other end of the first limiting post is hinged to one end of the first connecting plate. The other end of the first connecting plate is hinged to the middle of the first handle, and the lower part of the first handle is hinged to the second base. The hinge point between the first handle and the first base and the first limiting post are located at the same horizontal position.

[0008] In the aforementioned brake master cylinder elastic cylindrical pin press-fit limiting fixture, the top limiting structure includes a third base, a second connecting rod hinged to the third base, and a second limiting post fixed to the other end of the second connecting rod, the second limiting post being perpendicular to the second connecting rod; a second handle is also hinged to the third base, the hinge point between the second handle and the third base is located at one end of the third base near the first base, and the hinge point between the second handle and the third base is located below the second connecting rod; the middle of the second handle is hinged to the third connecting rod, and the other end of the third connecting rod is hinged to the second connecting rod.

[0009] The aforementioned brake master cylinder elastic cylindrical pin press-fit limiting tooling also includes a press-fitting device, which is located above the fixed base, with the telescopic rod of the press-fitting device facing the fixed base.

[0010] Compared with the prior art, this utility model has strong versatility and can be applied to press-fitting different models of brake master cylinders. It has the advantages of simple structure and ingenious design. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0012] Figure 2 This is a reference diagram showing the usage state of one embodiment of this utility model.

[0013] Reference numerals: 1-Pressure fitting device, 2-Telescopic rod, 3-Second connecting rod, 4-Second limiting post, 5-Gate, 6-Fixing groove, 7-Second limiting plate, 8-Fixing seat, 9-First base, 10-First limiting plate, 11-Second handle, 12-Third connecting rod, 13-Third base, 14-First handle, 15-First limiting post, 16-First connecting plate, 17-Second base, 18-Fixing plate, 19-Side limiting structure, 20-Main cylinder structure, 21-Fixing base, 22-Cylindrical pin structure, 23-Oil inlet, 24-Top limiting structure.

[0014] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Detailed Implementation

[0015] Embodiment 1 of this utility model: A brake master cylinder elastic cylindrical pin press-fit limiting fixture, including a fixed plate 18, on which a fixed base 21, a top limiting structure 24, and a side limiting structure 19 are fixed; the top limiting structure 24 is located on one side of the fixed base 21, and the side limiting structure 19 is located on the other side of the fixed base 21; the fixed base 21 includes a first base 9, on which a fixed seat 8 is fixed; the first base 9 has a top groove, and a first limiting plate 10 is disposed in the top groove, with the lower end of the first limiting plate 10 located in the top groove. The upper end of a limiting plate 10 abuts against the fixing seat 8. The upper end of the first limiting plate 10 is fixed to the fixing seat 8 by bolts. One end of the fixing seat 8 abuts against the first limiting plate 10. The other end of the fixing seat 8 is provided with a limiting groove. A second limiting plate 7 is fixed in the limiting groove. The second limiting plate 7 is parallel to the first limiting plate 10. A V-shaped fixing groove 6 is provided on the top of the fixing seat 8. The fixing groove 6 is parallel to the second limiting plate 7. A groove 5 is also provided on the fixing seat 8. The groove 5 is located on the side of the fixing seat 8 near the first limiting plate 10. The groove 5 is perpendicular to the fixing groove 6.

[0016] The lateral limiting structure 19 includes a second base 17, on which a horizontally positioned limiting tube is provided. A first limiting post 15 is provided inside the limiting tube. One end of the first limiting post 15 faces the fixed base 21. The other end of the first limiting post 15 is hinged to one end of the first connecting plate 16. The other end of the first connecting plate 16 is hinged to the middle of the first handle 14. The lower part of the first handle 14 is hinged to the second base 17. The hinge point of the first handle 14 and the first base 19 and the first limiting post 15 are located at the same horizontal position.

[0017] Example 2: A brake master cylinder elastic cylindrical pin press-fit limiting fixture includes a fixed plate 18, on which a fixed base 21, a top limiting structure 24, and a side limiting structure 19 are fixed; the top limiting structure 24 is located on one side of the fixed base 21, and the side limiting structure 19 is located on the other side of the fixed base 21; the fixed base 21 includes a first base 9, on which a fixed seat 8 is fixed; the first base 9 has a top groove, and a first limiting plate 10 is disposed in the top groove, with the lower end of the first limiting plate 10 located in the top groove, the first limiting... The upper end of the plate 10 abuts against the fixed seat 8. The upper end of the first limiting plate 10 is fixed to the fixed seat 8 by bolts. One end of the fixed seat 8 abuts against the first limiting plate 10. The other end of the fixed seat 8 is provided with a limiting groove. A second limiting plate 7 is fixed in the limiting groove. The second limiting plate 7 is parallel to the first limiting plate 10. A V-shaped fixing groove 6 is provided on the top of the fixed seat 8. The fixing groove 6 is parallel to the second limiting plate 7. A groove 5 is also provided on the fixed seat 8. The groove 5 is located on the side of the fixed seat 8 close to the first limiting plate 10. The groove 5 is perpendicular to the fixing groove 6.

[0018] The lateral limiting structure 19 includes a second base 17, on which a horizontally positioned limiting tube is provided. A first limiting post 15 is provided inside the limiting tube. One end of the first limiting post 15 faces the fixed base 21. The other end of the first limiting post 15 is hinged to one end of the first connecting plate 16. The other end of the first connecting plate 16 is hinged to the middle of the first handle 14. The lower part of the first handle 14 is hinged to the second base 17. The hinge point of the first handle 14 and the first base 19 and the first limiting post 15 are located at the same horizontal position.

[0019] The top limiting structure 24 includes a third base 13, on which a second connecting rod 3 is hinged. A second limiting post 4 is fixed to the other end of the second connecting rod 3, and the second limiting post 4 is perpendicular to the second connecting rod 3. A second handle 11 is also hinged to the third base 13. The hinge point between the second handle 11 and the third base 13 is located at one end of the third base 13 near the first base 9, and the hinge point is located below the second connecting rod 3. A third connecting rod 12 is hinged to the middle of the second handle 11, and the other end of the third connecting rod 12 is hinged to the second connecting rod 3. It also includes a pressing device 1, located above the fixed base 21, with the telescopic rod 2 of the pressing device 1 facing the fixed base 21.

[0020] The working principle of one embodiment of this utility model is as follows: The fixing groove 6 is used to place the main cylinder structure 20. Since the fixing groove 6 is V-shaped, it can adapt to different models of main cylinder structures 20. The second limiting plate 7 is used to limit one side of the main cylinder structure 20, and the side limiting structure 19 is used to limit the oil inlet 23. Since the oil inlet 23 abuts against the main cylinder structure 20, it can clamp and position the whole in two opposite directions. The groove 5 is used to place the oil inlet 23, and the top limiting structure 24 fixes the top of the main cylinder structure 20. Since the main cylinder structure 20 has a flange structure, the flange structure and the positioning seat 8 limit the main cylinder structure 20 in the horizontal direction. After the main cylinder structure 20 is fixed, the cylindrical pin structure 22 is pressed into the designated position by the pressing device 1. Both the side limiting structure 19 and the top limiting structure 24 have a locking function. In the limiting state, even if the external force is lost, it will not loosen, which provides convenience for subsequent work.

Claims

1. A pressure-fitting and limiting fixture for a brake master cylinder with an elastic cylindrical pin, characterized in that, Includes a fixing plate (18), on which a fixing base (21), a top limiting structure (24) and a side limiting structure (19) are fixed; the top limiting structure (24) is located on one side of the fixing base (21), and the side limiting structure (19) is located on the other side of the fixing base (21); The fixed base (21) includes a first base (9), a fixed seat (8) is fixed on the first base (9), the first base (9) has a top groove, a first limiting plate (10) is provided in the top groove, the lower end of the first limiting plate (10) is located in the top groove, the upper end of the first limiting plate (10) abuts against the fixed seat (8), and the upper end of the first limiting plate (10) is fixed to the fixed seat (8) by bolts; One end of the fixed seat (8) abuts against the first limiting plate (10), and the other end of the fixed seat (8) is provided with a limiting groove. A second limiting plate (7) is fixed in the limiting groove. The second limiting plate (7) is parallel to the first limiting plate (10). The top of the fixed base (8) is provided with a V-shaped fixing groove (6), which is parallel to the second limiting plate (7). The fixed base (8) is also provided with a groove (5), which is located on the side of the fixed base (8) close to the first limiting plate (10) and is perpendicular to the fixing groove (6).

2. The brake master cylinder elastic cylindrical pin press-fit limiting fixture according to claim 1, characterized in that, The lateral limiting structure (19) includes a second base (17), on which a horizontally positioned limiting tube is provided. A first limiting post (15) is provided inside the limiting tube. One end of the first limiting post (15) faces the fixed base (21). The other end of the first limiting post (15) is hinged to one end of the first connecting plate (16). The other end of the first connecting plate (16) is hinged to the middle of the first handle (14). The lower part of the first handle (14) is hinged to the second base (17). The hinge point of the first handle (14) and the first base (9) and the first limiting post (15) are located at the same horizontal position.

3. The brake master cylinder elastic cylindrical pin press-fit limiting fixture according to claim 1, characterized in that, The top limiting structure (24) includes a third base (13), a second connecting rod (3) is hinged on the third base (13), and a second limiting post (4) is fixed at the other end of the second connecting rod (3). The second limiting post (4) is perpendicular to the second connecting rod (3). A second handle (11) is also hinged to the third base (13). The hinge point between the second handle (11) and the third base (13) is located on the third base (13) at one end near the first base (9). The hinge point between the second handle (11) and the third base (13) is located below the second link (3). The middle part of the second handle (11) is hinged to the third link (12), and the other end of the third link (12) is hinged to the second link (3).

4. The brake master cylinder elastic cylindrical pin press-fit limiting fixture according to claim 1, characterized in that, It also includes a pressing device (1), which is located above the fixed base (21), with the telescopic rod (2) of the pressing device (1) facing the fixed base (21).

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