Drum brake with brake cable mounting piece

Abstract

The utility model belongs to the field of drum brakes, and particularly relates to a drum brake with a brake cable mounting part, which comprises a drum cover, a brake cable mounting mechanism is arranged on the drum cover, a roll-over stand is mounted in the drum cover through a bearing, a fixed seat is fixedly connected in the drum cover, a brake pad is hinged in the fixed seat, and a brake cable is mounted in the brake pad. A first tension spring is arranged in the drum cover, the two ends of the first tension spring are fixedly connected with the two brake pads respectively, a connecting rod is slidably connected into the fixing base, and a cover plate is installed on the outer side of a connecting shaft of the connecting rod through a bearing. According to the brake cable drum, the mounting frame, the limiting frame, the baffle and other structures are additionally arranged on the outer side of the drum cover, in the process of mounting a brake cable, a cable head of the brake cable is placed in the mounting frame, and a cable hoop of the brake cable is limited through the limiting frame, so that the brake cable can be mounted more stably, and the mounting efficiency is improved. And the brake cable can be effectively prevented from being separated.

Description

Technical Field

[0001] The utility model relates to the technical field of drum brakes, in particular to a drum brake with a brake line mounting piece. Background Art

[0002] Drum brakes are brake devices that use the stationary brake pads in the brake drum to rub against the brake drum that rotates with the wheel to generate friction to reduce the rotation speed of the wheel. In the prior art, drum brakes are generally used on electric vehicles. The production cost of drum brakes is low and the braking performance is good. However, during the use of drum brakes in the prior art, the brake line is placed separately inside the outer bracket of the brake drum. When the brake line is loose, it is easy to cause the main body of the brake line to detach from the drum brake, resulting in brake failure. When installing the brake pads of the drum brake, the brake pads are only clamped on the outer side of the column on the inner side of the drum cover by the elastic force of the tension spring. The installation is unstable and easily causes the brake pads to detach. Therefore, it is necessary to improve the prior art. Utility Model Content

[0003] The utility model aims to provide a drum brake with a brake line installation piece, which solves the problem of unstable installation of the brake line and the unstable installation of the brake pad.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drum brake with a brake line mounting part, comprising a drum cover, a brake line mounting mechanism is arranged on the drum cover, a flip frame is installed inside the drum cover through a bearing, a fixing seat is fixedly connected inside the drum cover, a brake pad is hinged inside the fixing seat, a tension spring 1 is arranged inside the drum cover, two ends of the tension spring 1 are respectively fixedly connected to two of the brake pads, a connecting rod is slidably connected inside the fixing seat, a cover plate is installed on the outer side of the connecting shaft of the connecting rod through a bearing, a limiting rod is fixedly connected to the side of the cover plate close to the brake pad, and a tension spring 2 is arranged inside the connecting rod.

[0005] Preferably, a driving arm is sleeved on the outer side of the flip frame, and a mounting screw is threadedly connected inside the driving arm, and the mounting screw can mount the driving arm on the outer side of the flip frame.

[0006] Preferably, the cover plate is in contact with the brake pad, the cover plate is in contact with the fixing seat, the limiting rod is slidably connected to both the brake pad and the fixing seat, and the limiting rod can limit the position of the brake pad.

[0007] Preferably, one end of the second tension spring is fixedly connected to the fixing seat, and the other end of the second tension spring is fixedly connected to the connecting rod. The second tension spring can drive the connecting rod to automatically reset through elastic force.

[0008] Preferably, the brake line mounting mechanism includes a mounting seat, the outer side of the drum cover is fixedly connected to the mounting seat, the lower end of the mounting seat is fixedly connected to a baffle, the interior of the mounting seat is slidably connected to a reset frame, the outer side of the mounting seat is slidably connected to a limiting frame, a spring is provided on the outer side of the reset frame, the reset frame is fixedly connected to the limiting frame, and the limiting frame can be clamped on the outside of the wire clamp of the brake line to limit the brake line.

[0009] Preferably, one end of the spring is fixedly connected to the reset frame, and the other end of the spring is fixedly connected to the mounting seat, and the spring can drive the reset pole to automatically reset through elastic force.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model adds structures such as a mounting frame, a limiting frame and a baffle plate on the outer side of the drum cover. During the installation of the brake line, the wire end of the brake line is placed inside the mounting frame, and the wire clamp of the brake line is limited by the limiting frame, so that the installation of the brake line can be more stable and the brake line can be effectively prevented from being separated.

[0012] 2. The utility model adds a fixing seat, a limiting rod and a cover plate to the drum cover, and can drive the limiting rod on the inner side of the cover plate to slide into the inside of the brake pad through the elastic force of the second tension spring to limit the brake pad, thereby making the installation of the brake pad more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0014] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0015] Figure 3 For the utility model Figure 1 Rear view of

[0016] Figure 4 For the utility model Figure 1 An enlarged left side sectional view of a mounting seat;

[0017] Figure 5 For the utility model Figure 3 An enlarged top sectional view of the fixing seat.

[0018] In the figure: 1. drum cover; 2. brake line installation mechanism; 3. flip frame; 4. driving arm; 5. mounting screw; 6. fixing seat; 7. brake pad; 8. tension spring 1; 9. connecting rod; 10. cover plate; 11. limit rod; 12. tension spring 2; 21. mounting seat; 22. baffle; 23. reset frame; 24. limit frame; 25. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 A drum brake with a brake line mounting part comprises a drum cover 1, a brake line mounting mechanism 2 is arranged on the drum cover 1, a flip frame 3 is installed inside the drum cover 1 through a bearing, a fixing seat 6 is fixedly connected inside the drum cover 1, a brake pad 7 is hinged inside the fixing seat 6, a tension spring 8 is arranged inside the drum cover 1, both ends of the tension spring 8 are fixedly connected to two brake pads 7 respectively, a connecting rod 9 is slidably connected inside the fixing seat 6, a cover plate 10 is installed on the outer side of the connecting shaft of the connecting rod 9 through a bearing, a limiting rod 11 is fixedly connected to the side of the cover plate 10 close to the brake pad 7, and a tension spring 2 12 is arranged inside the connecting rod 9.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 The outer side of the flip frame 3 is sleeved with a driving arm 4, and the interior of the driving arm 4 is connected with a mounting screw 5 through a thread, and the mounting screw 5 can install the driving arm 4 on the outer side of the flip frame 3, the cover plate 10 is in contact with the brake pad 7, the cover plate 10 is in contact with the fixing seat 6, the limit rod 11 is slidably connected to the brake pad 7 and the fixing seat 6, the limit rod 11 can limit the position of the brake pad 7, one end of the tension spring 12 is fixedly connected to the fixing seat 6, and the other end of the tension spring 12 is fixedly connected to the connecting rod 9, and the tension spring 12 can drive the connecting rod 9 to automatically reset through elastic force.

[0022] See also Figure 1 , Figure 4The brake line mounting mechanism 2 includes a mounting seat 21, the outer side of the drum cover 1 is fixedly connected with the mounting seat 21, the lower end of the mounting seat 21 is fixedly connected with a baffle 22, the interior of the mounting seat 21 is slidably connected with a reset frame 23, the outer side of the mounting seat 21 is slidably connected with a limiting frame 24, a spring 25 is arranged on the outer side of the reset frame 23, the reset frame 23 is fixedly connected with the limiting frame 24, the limiting frame 24 can be clamped on the outer side of the wire hoop of the brake line to limit the brake line, one end of the spring 25 is fixedly connected with the reset frame 23, and the other end of the spring 25 is fixedly connected with the mounting seat 21, and the spring 25 can drive the reset frame 23 to automatically reset through elastic force.

[0023] The specific implementation process of the utility model is as follows: when in use, the limit frame 24 is pulled, and the limit frame 24 compresses the spring 25 through the reset frame 23, and then the brake line is placed inside the mounting seat 21. After the placement is completed, the limit frame 24 is released, and the spring 25 is reset. The spring 25 can drive the limit frame 24 to be clamped on the outside of the wire hoop of the brake line through elastic force, so that the brake line can be conveniently, quickly and stably installed inside the mounting seat 21;

[0024] When the brake pad 7 needs to be installed, the cover plate 10 is pulled, and the cover plate 10 drives the limit rod 11 to move, and the tension spring 2 12 is stretched through the connecting rod 9. When the limit rod 11 is moved out from the inside of the fixing seat 6, the cover plate 10 is rotated 90°, and then the two brake pads 7 are placed inside the fixing seat 6. After the placement is completed, the cover plate 10 is rotated back to its original position and the cover plate 10 is released at the same time. The tension spring 2 12 is reset, and the tension spring 2 12 drives the limit rod 11 on the cover plate 10 through elastic force to be inserted into the inside of the brake pad 7, so that the installation of the brake pad 7 can be completed, which can make the installation of the brake pad 7 more stable.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drum brake with a brake line mounting member, comprising a drum cover (1), characterized in that: The drum cover (1) is provided with a brake line installation mechanism (2), the interior of the drum cover (1) is provided with a flip frame (3) through a bearing, the interior of the drum cover (1) is fixedly connected with a fixing seat (6), the interior of the fixing seat (6) is hinged with a brake pad (7), the interior of the drum cover (1) is provided with a tension spring (8), the two ends of the tension spring (8) are respectively fixedly connected to the two brake pads (7), the interior of the fixing seat (6) is slidably connected with a connecting rod (9), the outer side of the connecting shaft of the connecting rod (9) is provided with a cover plate (10) through a bearing, the side of the cover plate (10) close to the brake pad (7) is fixedly connected with a limit rod (11), and the interior of the connecting rod (9) is provided with a tension spring (2) (12).

2. A drum brake with a brake cable mounting member according to claim 1, characterized in that: The outer side of the turning frame (3) is sleeved with a driving arm (4), and the interior of the driving arm (4) is connected with a mounting screw rod (5) via a threaded connection.

3. A drum brake with a brake cable mounting member according to claim 1, characterized in that: The cover plate (10) is in contact with the brake pad (7), the cover plate (10) is in contact with the fixing seat (6), and the limiting rod (11) is slidably connected to both the brake pad (7) and the fixing seat (6).

4. A drum brake with a brake cable mounting member according to claim 1, characterized in that: One end of the second tension spring (12) is fixedly connected to the fixing seat (6), and the other end of the second tension spring (12) is fixedly connected to the connecting rod (9).

5. A drum brake with a brake cable mounting member according to claim 1, characterized in that: The brake line mounting mechanism (2) comprises a mounting seat (21), the outer side of the drum cover (1) is fixedly connected to the mounting seat (21), the lower end of the mounting seat (21) is fixedly connected to a baffle (22), the interior of the mounting seat (21) is slidably connected to a reset frame (23), the outer side of the mounting seat (21) is slidably connected to a limit frame (24), a spring (25) is arranged on the outer side of the reset frame (23), and the reset frame (23) is fixedly connected to the limit frame (24).

6. A drum brake with a brake cable mounting member according to claim 5, characterized in that: One end of the spring (25) is fixedly connected to the reset frame (23), and the other end of the spring (25) is fixedly connected to the mounting seat (21).

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