CN213206378U - Drum brake block capable of preventing adhesion - Google Patents
Drum brake block capable of preventing adhesion Download PDFInfo
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- CN213206378U CN213206378U CN202021354218.4U CN202021354218U CN213206378U CN 213206378 U CN213206378 U CN 213206378U CN 202021354218 U CN202021354218 U CN 202021354218U CN 213206378 U CN213206378 U CN 213206378U
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Abstract
The utility model relates to a brake equipment technical field specifically is a prevent drum brake piece of adhesion, including the brake drum body, the inside of brake drum body is provided with the brake block, the one end that the brake block is close to adjacent brake block is provided with the brake wheel cylinder, the one end that the brake block kept away from the brake wheel cylinder is provided with the fixed pin, fixed pin and brake drum body swing joint, two that the brake block was equipped with through its one end the adjacent one side fixedly connected with reset spring of brake block. This prevent drum brake piece of adhesion, when the clutch blocks when wearing and tearing gradually, the contact surface grow gradually of clutch blocks and brake drum body to the effectual brake effect of brake blocks after wearing and tearing has ensured, inside through the clutch blocks is provided with pH adjusting material, makes the clutch blocks keep for basicity with the pH value of the contact surface of brake drum body under the parking state, thereby makes the car at the parking braking state also can not rust the adhesion under the condition that places under high humidity for a long time.
Description
Technical Field
The utility model relates to a brake equipment technical field specifically is a prevent drum brake piece of adhesion.
Background
The brake block is also called brake shoe, in the brake system of the car, the brake block is the most critical safety part, the quality of all brake effects is the decisive role of the brake block, so the brake block is said to be the protection spirit of people and cars, the brake block (brakelining) is generally composed of a steel plate, a bonding heat-insulating layer and a friction block, the steel plate is coated to prevent rust, the coating process uses an SMT-4 furnace temperature tracker to detect the temperature distribution in the coating process to ensure the quality, wherein the heat-insulating layer is composed of a material which does not conduct heat, the purpose is heat insulation, the friction block is composed of a friction material and an adhesive, when in braking, the friction block is extruded on a brake disc or a brake drum to generate friction, thereby achieving the purpose of decelerating and braking the car, because of the friction effect, the friction block can be gradually worn, generally, the brake block with lower cost is worn more quickly, the brake block is pressed on the inner side of the brake drum by the brake shoe by using a, the drum brake has the advantages that braking force is generated, wheels are decelerated or stopped within the shortest distance as required to ensure driving safety and guarantee that an automobile can be parked reliably and cannot automatically slide, a rotating element of the drum brake is a brake drum, and a fixed element of the drum brake is a brake shoe; it is inexpensive to manufacture and conforms to conventional designs.
The drum brake disclosed in chinese patent CN207598771U, this kind of drum brake, play the effect of getting rid of sweeps and ventilation through setting up the recess, friction limit suggestion piece supervises the degree of friction, the brake drum of having solved drum brake can increase in diameter after being heated, and cause the stroke that steps on brake pedal to increase, the easy condition that brake reaction is not as expected that takes place, the sweeps that brake block friction produced between in the use and the brake drum can't be got rid of, influence performance, long-term the use simultaneously, can't learn the friction limit value, be unfavorable for the problem of timely change, however, this kind of drum brake, when solving the problem, following shortcoming has:
it is at the in-process that uses, the brake effect is relatively poor after the clutch blocks wear to after the vehicle is placed for a long time with parking braking state, because of rustting and make and take place the phenomenon of adhering to adhesion between brake drum and the clutch blocks, thereby make brake drum and clutch blocks can't separate and influence the use, consequently need improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent drum brake piece of adhesion for solve the device in the past at the in-process that uses, the clutch blocks is relatively poor in the back braking effect that wears and teares to after the vehicle is placed with the parking braking state for a long time, make the phenomenon of taking place to adhere to the adhesion between brake drum and the clutch blocks because of rustting, thereby make brake drum and clutch blocks can't separate and influence the technical problem who uses.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a drum brake pad for preventing adhesion comprises a brake drum body, wherein a brake pad is arranged in the brake drum body, a brake cylinder is arranged at one end, close to the adjacent brake pad, of the brake pad, a fixed pin is arranged at one end, far away from the brake cylinder, of the brake pad, the brake pad is movably connected with the brake drum body through the fixed pin arranged at one end of the brake pad, and a reset spring is fixedly connected to one adjacent side of the two brake pads;
one side fixedly connected with friction disc that reset spring was kept away from to the brake block, the friction disc includes connecting block and clutch blocks, the fixed orifices has all been seted up to the inside of connecting block and clutch blocks, the surface of clutch blocks is provided with friction limit suggestion lines.
The utility model discloses further set up to: every one side that reset spring was kept away from to the brake block all fixedly connected with two friction discs.
Through adopting above-mentioned technical scheme for in the brake, can have a plurality of clutch blocks and brake drum body to contact, thereby the effectual brake effect that has strengthened, and be equipped with the gap between two clutch blocks, be convenient for heat dissipation and ventilation, thereby the effectual radiating effect who strengthens the clutch block.
The utility model discloses further set up to: the friction plate is fixedly connected to one side, far away from the return spring, of the brake pad through a friction block arranged on one side of the friction plate.
The utility model discloses further set up to: the longitudinal section area of one side, far away from the brake block, of the friction block is smaller than the longitudinal section area of one side, close to the brake block, of the friction block.
Through adopting above-mentioned technical scheme, when the clutch blocks worn gradually, its interface with the brake drum body grow gradually promptly to the effectual brake effect of brake blocks after wearing and tearing has been ensured.
The utility model discloses further set up to: and four surfaces of the friction block, which are close to the brake pad, are provided with friction limit prompt lines.
Through adopting above-mentioned technical scheme for user and staff when examining and maintaining the brake block, the wearing and tearing condition that the clutch blocks was reflected that the friction limit suggestion lines can be clear and definite and comparatively obvious, and the user can grasp the wearing and tearing condition of clutch blocks through observing friction limit suggestion lines, so that when the clutch blocks reached the friction limit value after long-term use, change that can be timely, in order to ensure safety.
To sum up, the utility model discloses a beneficial technological effect does:
1. according to the drum brake pad for preventing adhesion, the longitudinal section area of one side, far away from the brake pad, of the friction block is smaller than the longitudinal section area of one side, close to the brake pad, of the friction block, so that when the friction block is gradually worn, the contact surface of the friction block and a brake drum body is gradually enlarged, the braking effect of the friction block after being worn is effectively guaranteed, and by arranging two friction plates on each brake pad, a plurality of friction blocks can be in contact with the brake drum body during braking, so that the braking effect is effectively enhanced, and a gap is formed between the two friction blocks, so that heat dissipation and ventilation are facilitated, and the heat dissipation effect of the friction blocks is effectively enhanced;
2. through setting up friction limit suggestion lines for user and staff are when examining and maintaining the brake block, and the wearing and tearing condition of rubbing block can be made clear and clearly and comparatively obvious reflection to the friction limit suggestion lines, and the user can grasp the wearing and tearing condition of rubbing block through observing the friction limit suggestion lines, so that when the rubbing block reaches the friction limit value after long-term use, can be timely change, with the guarantee safety.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the friction plate of the present invention.
In the figure: the brake drum comprises a brake drum body 1, a brake block 2, a brake cylinder 3, a fixing pin 4, a return spring 5, a friction plate 6, a connecting block 7, a friction block 8, a fixing hole 9 and a friction limit prompting line 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a prevent drum brake block of adhesion, including brake drum body 1, brake drum body 1's inside is provided with brake block 2, brake block 2 is close to adjacent brake block 2's one end and is provided with brake cylinder 3, brake block 2 keeps away from brake cylinder 3's one end and is provided with fixed pin 4, fixed pin and the 1 swing joint of brake drum body that brake block 2 was equipped with through its one end, two adjacent one side fixedly connected with reset spring 5 of brake block 2, in this embodiment, the device's theory of operation is the same with the theory of operation of a drum brake block disclosed in chinese patent CN 207598771U.
Referring to fig. 2, one side fixedly connected with friction disc 6 that reset spring 5 was kept away from to brake block 2, and friction disc 6 includes connecting block 7 and clutch blocks 8, and fixed orifices 9 have all been seted up with clutch blocks 8's inside to connecting block 7, and clutch blocks 8's surface is provided with friction limit suggestion lines 10, and in this embodiment, friction limit suggestion lines 10 set up to comparatively striking lines.
One side of each brake pad 2, which is far away from the return spring 5, is fixedly connected with two friction plates 6.
The friction plate 6 is fixedly connected with one side of the brake plate 2 far away from the return spring 5 through a friction block 8 arranged on one side of the friction plate.
The area of the longitudinal section of the friction block 8 far away from the brake pad 2 is smaller than that of the longitudinal section of the friction block 8 near the brake pad 2.
And four surfaces of the friction block 8, which are close to the brake pad 2, are provided with friction limit prompt lines 10.
The implementation principle of the embodiment is as follows: the working principle of the device is the same as that of a drum brake pad disclosed in Chinese patent CN207598771U, the longitudinal section area of one side of the friction block 8, far away from the brake pad 2, is smaller than the longitudinal section area of one side of the friction block 8, close to the brake pad 2, so that when the friction block 8 is gradually worn, the contact surface between the friction block 8 and the brake drum body 1 is gradually enlarged, thereby effectively ensuring the braking effect of the friction block 8 after being worn, two friction plates 6 are arranged on each brake pad 2, so that a plurality of friction blocks 8 can be in contact with the brake drum body 1 during braking, thereby effectively enhancing the braking effect, a gap is arranged between the two friction blocks 8, the heat dissipation and ventilation are convenient, thereby effectively enhancing the heat dissipation effect of the friction block 8, and by arranging a friction limit prompting line 10, a user and a worker can check and maintain the brake pad 2, the friction limit prompting line 10 can clearly and obviously reflect the abrasion condition of the friction block 8, and a user can grasp the abrasion condition of the friction block 8 by observing the friction limit prompting line 10, so that the friction block 8 can be timely replaced when reaching the friction limit value after long-term use, and the device has certain practicability.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. The utility model provides a prevent drum brake piece of adhesion, includes brake drum body (1), its characterized in that: the brake drum is characterized in that brake pads (2) are arranged inside the brake drum body (1), a brake cylinder (3) is arranged at one end, close to the adjacent brake pad (2), of each brake pad (2), a fixing pin (4) is arranged at one end, far away from the brake cylinder (3), of each brake pad (2), each brake pad (2) is movably connected with the brake drum body (1) through the fixing pin arranged at one end of each brake pad, and a reset spring (5) is fixedly connected to one adjacent side of each brake pad (2);
one side fixedly connected with friction disc (6) of reset spring (5) are kept away from in brake block (2), friction disc (6) are including connecting block (7) and clutch blocks (8), fixed orifices (9) have all been seted up with the inside of clutch blocks (8) in connecting block (7), the surface of clutch blocks (8) is provided with friction limit suggestion lines (10).
2. The drum brake of claim 1, wherein: and each brake pad (2) is far away from one side of the return spring (5) and is fixedly connected with two friction plates (6).
3. The drum brake of claim 1, wherein: the friction plate (6) is fixedly connected to one side, far away from the return spring (5), of the brake block (2) through a friction block (8) arranged on one side of the friction plate.
4. The drum brake of claim 1, wherein: the longitudinal section area of one side of the friction block (8) far away from the brake pad (2) is smaller than that of one side of the friction block (8) close to the brake pad (2).
5. The drum brake of claim 1, wherein: and four surfaces of the friction block (8) close to the brake pad (2) are provided with friction limit prompt lines (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021354218.4U CN213206378U (en) | 2020-07-11 | 2020-07-11 | Drum brake block capable of preventing adhesion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021354218.4U CN213206378U (en) | 2020-07-11 | 2020-07-11 | Drum brake block capable of preventing adhesion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213206378U true CN213206378U (en) | 2021-05-14 |
Family
ID=75834002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021354218.4U Active CN213206378U (en) | 2020-07-11 | 2020-07-11 | Drum brake block capable of preventing adhesion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213206378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483842A (en) * | 2022-01-12 | 2022-05-13 | 黄山菲英汽车零部件有限公司 | High-efficient brake drum of compensable wearing and tearing piece of stopping |
| CN114876987A (en) * | 2022-06-15 | 2022-08-09 | 枣阳市华联摩擦材料有限公司 | Drum brake pad |
-
2020
- 2020-07-11 CN CN202021354218.4U patent/CN213206378U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483842A (en) * | 2022-01-12 | 2022-05-13 | 黄山菲英汽车零部件有限公司 | High-efficient brake drum of compensable wearing and tearing piece of stopping |
| CN114483842B (en) * | 2022-01-12 | 2024-03-12 | 黄山菲英汽车零部件有限公司 | High-efficiency brake drum brake sheet capable of compensating abrasion |
| CN114876987A (en) * | 2022-06-15 | 2022-08-09 | 枣阳市华联摩擦材料有限公司 | Drum brake pad |
| CN114876987B (en) * | 2022-06-15 | 2023-08-15 | 枣阳市华联摩擦材料有限公司 | Drum brake block |
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