Drum brake pad convenient to replace

Abstract

The utility model provides a drum brake pad convenient to replace, and relates to the technical field of drum brake pads, the drum brake pad comprises a fixing frame and a brake pad body, a fixing plate is fixedly installed on the surface of the fixing frame, a clamping block is fixedly installed on the surface of the brake pad body, a clamping groove is formed in the surface of the fixing plate, and the clamping block is fixedly installed in the clamping groove. A sliding rod is slidably connected to the interior of the fixing plate, a spring is arranged on the surface of the sliding rod in a sleeving mode, an ejection block is fixedly installed on the surface of the sliding rod, and a sliding block A is slidably connected to the interior of the clamping block. By arranging the fixing plate, the clamping groove, the clamping block, the sliding rod, the spring, the ejector block, the sliding block A and the sliding block B, the effect of conveniently and rapidly disassembling, assembling and replacing the brake pad is achieved, so that the situation that workers need to use disassembling and assembling tools when the brake pad is replaced is avoided, then the disassembling and assembling efficiency is improved, the disassembling and assembling difficulty is reduced, the structure is simple, and the practicability is high. The practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of drum brake pads, in particular to a drum brake pad with convenient replacement of the brake pad. Background Art

[0002] Drum brake pads are an important component used in drum brake systems. The friction between them and the brake drum produces the braking effect.

[0003] Publication No. CN205244195U discloses a drum brake pad, comprising an arc-shaped brake pad body, a plurality of mounting holes corresponding to the openings on the brake shoe and used to install pins are opened on the brake pad body, a first groove group connecting the concave and convex surfaces of the brake pad is opened on the side walls of the plurality of mounting holes along their axial direction, a second groove group is opened on the surface where the brake pad and the brake shoe meet, the second groove group runs through all sides of the brake pad body and is connected with the plurality of mounting holes. Compared with the prior art, the utility model solves the problem of internal ventilation and heat dissipation of the brake pad and the problem that the pins are easily expanded by heat expansion by arranging ventilation grooves in the mounting holes of the brake pad mounting pins and arranging dust removal grooves and air inlet grooves between the brake pad and the brake shoe. The utility model has a simple structure and is convenient and practical. Although this type of brake pad has the effect of ventilating and cooling the main body, it is lacking in the disassembly, assembly and replacement of the brake pad. Since this type of drum brake pad does not have a quick disassembly and assembly structure, different disassembly and assembly tools are required when the brake pad needs to be replaced, which increases the difficulty of replacing the brake pad and reduces the efficiency of disassembly and replacement. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0005] The utility model adopts the following technical scheme: a drum brake pad with convenient brake pad replacement, comprising a fixing frame and a brake pad, a fixing plate is fixedly installed on the surface of the fixing frame, a clamping block is fixedly installed on the surface of the brake pad, a clamping groove is opened on the surface of the fixing plate, a sliding rod is slidably connected inside the fixing plate, a spring is sleeved on the surface of the sliding rod, a top block is fixedly installed on the surface of the sliding rod, a slider A is slidably connected inside the clamping block, and a slider B is slidably connected inside the fixing plate.

[0006] Preferably, a heat sink is fixedly mounted on the inner surface of the fixing plate, a heat sink is fixedly mounted on the surface of the heat sink, and heat sink holes are formed on the surface of the heat sink. Here, the design of the heat sink and the heat sink has the effect of assisting the heat dissipation of the fixing plate.

[0007] Preferably, one end of the spring is connected to the surface of the top block, and the other end is connected to the inner surface of the fixed plate. Here, the design of the spring plays the effect of driving the top block to be clamped into the clamping block, so that the clamping block is fixed in the clamping groove and the brake pad is fixed to the surface of the fixed plate.

[0008] Preferably, the clamping block is slidably connected to the clamping slot, and the top block is slidably connected to the clamping block. Here, the sliding design of the clamping block and the clamping slot facilitates the installation of the brake pad.

[0009] Preferably, the slider A is slidably connected to the fixed plate, and the slider B is slidably connected to the clamping block. Here, the sliding design of the slider A and the fixed plate has the effect of ejecting the slider B from the fixed plate, while the sliding design of the slider B and the clamping block has the effect of retracting the ejecting block into the fixed plate through the slider A, so as to disassemble the brake pad.

[0010] Preferably, the heat sink and the heat sink are made of copper. Here, copper has good thermal conductivity and can quickly conduct heat from the fixing plate through airflow during vehicle driving.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by arranging the fixing plate, the card slot, the card block, the slide bar, the spring, the top block, the slide block A and the slide block B, the brake pad can be quickly disassembled and replaced, thereby avoiding the situation that the staff needs to use disassembly tools when replacing it, thereby improving the efficiency of disassembly and replacement and reducing the difficulty of disassembly and assembly work, and the structure is simple and practical.

[0013] 2. In the present invention, the contact area between the fixed plate and the airflow is increased by providing a heat dissipation plate, heat dissipation fins and heat dissipation holes, so that heat can be quickly extracted from the fixed plate through the airflow during vehicle driving, thereby improving the heat dissipation efficiency of the fixed plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a drum brake pad with convenient brake pad replacement;

[0015] Figure 2 The utility model provides a schematic diagram of the exploded structure of a brake pad, a slide bar, a spring, a slide block A and a slide block B in a drum brake pad with convenient brake pad replacement;

[0016] Figure 3 The utility model proposes a drum brake pad with convenient brake pad replacement Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 The utility model provides a schematic diagram of the exploded structure of a heat sink and a heat sink in a drum brake pad with convenient brake pad replacement;

[0018] Figure 5 The utility model proposes a drum brake pad with convenient brake pad replacement Figure 4 Enlarged view of point B in the middle.

[0019] Legend:

[0020] 1. Fixed frame; 2. Fixed plate; 3. Brake pad; 4. Block; 5. Slot; 6. Slide bar; 7. Spring; 8. Top block; 9. Slider A; 10. Slider B; 11. Heat sink; 12. Heat sink; 13. Heat dissipation hole. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1

[0024] See also Figure 1-5The utility model provides a technical solution: a drum brake pad with convenient brake pad replacement, including a fixing frame 1 and a brake pad 3, a fixing plate 2 is fixedly installed on the surface of the fixing frame 1, a clamping block 4 is fixedly installed on the surface of the brake pad 3, a clamping groove 5 is opened on the surface of the fixing plate 2, and the clamping block 4 is slidably connected to the clamping groove 5. The sliding design of the clamping block 4 and the clamping groove 5 facilitates the installation of the brake pad 3, a sliding rod 6 is slidably connected inside the fixing plate 2, and a spring 7 is sleeved on the surface of the sliding rod 6, one end of the spring 7 is connected to the surface of the top block 8, and the other end is connected to the inner surface of the fixing plate 2, and the design of the spring 7 drives the top block 8 to be clamped into the clamping block 4 , so that the card block 4 is fixed in the card slot 5 and the brake pad 3 is fixed to the surface of the fixed plate 2, a top block 8 is fixedly installed on the surface of the slide rod 6, the top block 8 is slidingly connected to the card block 4, the card block 4 is internally slidingly connected with a slider A9, the fixed plate 2 is internally slidingly connected with a slider B10, the slider A9 is slidingly connected to the fixed plate 2, the slider B10 is slidingly connected to the card block 4, the sliding design of the slider A9 and the fixed plate 2 has the effect of ejecting the slider B10 from the fixed plate 2, and the sliding design of the slider B10 and the card block 4 has the effect of retracting the top block 8 into the fixed plate 2 through the slider A9, so that the brake pad 3 can be disassembled.

[0025] Embodiment 2

[0026] See also Figure 1-5 A heat sink 11 is fixedly installed on the inner surface of the fixed plate 2, and a heat sink 12 is fixedly installed on the surface of the heat sink 11. Heat dissipation holes 13 are opened on the surface of the heat sink 12. The design of the heat sink 11 and the heat sink 12 has the effect of assisting the heat dissipation of the fixed plate 2. The heat sink 11 and the heat sink 12 are both made of copper, which has good thermal conductivity and can quickly export heat from the fixed plate 2 through airflow during the driving of the vehicle.

[0027] Working principle: when the brake pad 3 needs to be replaced, just press the slider B10 inwards, the slider B10 will drive the slider A9 to slide into the block 4, and the slider A9 will drive the top block 8 to retract into the fixed plate 2. After the top block 8 slides out of the block 4, the brake pad 3 can be pulled out, the brake pad 3 will drive the block 4 to be pulled out from the slot 5, and then the new brake pad 3 will be attached to the surface of the fixed plate 2, the brake pad 3 will drive the block 4 to be stuck into the slot 5. At this time, the spring 7 will drive the top block 8 to slide inside the block 4, and the top block 8 will insert the slider A9 into the fixed plate 2, so that the slider B10 slides outwards. At this time, the brake pad 3 can be replaced. The fixed plate 2, the slot 5, the block 4, the slide bar 6, the spring 7, the top block 8, the slider A9 and the slider B10 play a role. It is convenient to quickly disassemble, assemble and replace the brake pad 3, thereby avoiding the situation where the staff needs to use disassembly tools when replacing it, thereby improving the efficiency of disassembly and replacement and reducing the difficulty of disassembly and assembly. During the driving of the vehicle, the brake pad 3 will import heat into the fixed plate 2, and the fixed plate 2 will import heat into the heat dissipation plate 11, and the heat dissipation plate 11 will import heat into the heat dissipation fins 12, and the airflow will dissipate the heat to the heat dissipation fins 12 and the heat dissipation holes 13, thereby achieving the heat dissipation effect of the brake pad 3. The heat dissipation plate 11, the heat dissipation fins 12 and the heat dissipation holes 13 increase the contact area between the fixed plate 2 and the airflow, so as to quickly export the heat from the fixed plate 2 through the airflow during the driving of the vehicle, thereby improving the heat dissipation efficiency of the fixed plate 2.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A drum brake pad with convenient brake pad replacement, comprising a fixing frame (1) and a brake pad (3), Features: A fixing plate (2) is fixedly mounted on the surface of the fixing frame (1), a clamping block (4) is fixedly mounted on the surface of the brake pad (3), a clamping groove (5) is provided on the surface of the fixing plate (2), a sliding rod (6) is slidably connected inside the fixing plate (2), a spring (7) is sleeved on the surface of the sliding rod (6), a top block (8) is fixedly mounted on the surface of the sliding rod (6), a slider A (9) is slidably connected inside the clamping block (4), and a slider B (10) is slidably connected inside the fixing plate (2).

2. The drum brake pad with convenient brake pad replacement according to claim 1, Features: A heat dissipation plate (11) is fixedly mounted on the inner surface of the fixing plate (2), a heat dissipation fin (12) is fixedly mounted on the surface of the heat dissipation plate (11), and heat dissipation holes (13) are formed through the surface of the heat dissipation fin (12).

3. The drum brake pad with convenient brake pad replacement according to claim 1, Features: One end of the spring (7) is connected to the surface of the top block (8), and the other end is connected to the inner surface of the fixing plate (2).

4. The drum brake pad with convenient brake pad replacement according to claim 1, Features: The card block (4) is slidably connected to the card slot (5), and the top block (8) is slidably connected to the card block (4).

5. The drum brake pad with convenient brake pad replacement according to claim 1, Features: The slider A (9) is slidably connected to the fixed plate (2), and the slider B (10) is slidably connected to the clamping block (4).

6. The drum brake pad with convenient brake pad replacement according to claim 2, Features: The heat sink (11) and the heat sink (12) are both made of copper.

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