CN220470516U - Drum brake system shoe wear degree detects alarm component - Google Patents
Drum brake system shoe wear degree detects alarm component Download PDFInfo
- Publication number
- CN220470516U CN220470516U CN202321872312.2U CN202321872312U CN220470516U CN 220470516 U CN220470516 U CN 220470516U CN 202321872312 U CN202321872312 U CN 202321872312U CN 220470516 U CN220470516 U CN 220470516U
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- drum
- touch
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- assembly
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- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile drum brakes, in particular to a brake shoe wear detection alarm assembly of a drum brake, which comprises a brake drum, a back plate base, an axle assembly and an alarm device, wherein the axle assembly is fixedly connected in the middle of the brake drum, the axle assembly is rotationally connected with the back plate base, the back plate base is arranged on the right side of the brake drum, and the alarm device is arranged on the right side of the back plate base; when the brake shoes are excessively worn, the brake shoes on the right side move rightwards to drive the brake shaft to move forwards, and the brake shaft drives the touch arm to move forwards, so that the touch arm bumps to touch the touch switch, the alarm loudspeaker sounds, a driver is reminded of replacing the brake shoes, and the brake distance is prevented from being prolonged and accidents caused by friction force reduction.
Description
Technical Field
The utility model relates to the technical field of automobile drum brakes, in particular to a drum brake shoe wear degree detection alarm assembly.
Background
Drum brakes, also called block brakes, are operated by pressing a brake block against a brake wheel. The main stream of drum brake is internal expansion, its brake block (brake shoe) is positioned in the inner side of brake wheel, when it is braked, the brake block is outwards opened, and rubbed against the inner side of brake wheel so as to attain the goal of braking. Due to the low cost, the brake is still used in some economic sedans, and is mainly used for rear wheels with smaller braking loads and parking brakes. If the drum brake is worn excessively, the stroke of pressing the brake pedal is increased, a situation in which a braking reaction is not as expected easily occurs, and a decrease in friction may result in a longer braking distance.
However, the existing drum brake does not have a brake shoe wear alarm device, and a driver cannot directly sense the wear state, and the danger is easy to occur when the drum brake is continuously used, so that a brake shoe wear detection alarm assembly of the drum brake is needed to solve the problems.
Disclosure of Invention
In order to overcome the technical problems, the utility model aims to provide a brake shoe wear detection alarm assembly for a drum brake, so as to solve the problem that the drum brake provided in the background art does not have a brake shoe wear alarm device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drum brake system shoe wear degree detects alarm component, includes brake drum, backplate base, axletree assembly and alarm device, fixed connection axletree assembly in the middle of the brake drum, the axletree assembly rotates and connects the backplate base, the backplate base is installed on the right side of brake drum, alarm device is installed on the right side of backplate base.
Preferably, a rotating shaft, a brake shoe, a brake cylinder, a return spring and a regulator are arranged in the brake drum, and the lower end of the backboard base is fixedly connected with the two rotating shafts.
Preferably, the rotating shaft is rotationally connected with the lower end of the brake shoe, a brake cylinder is arranged at the upper end of the back plate base, and pistons at the left side and the right side of the brake cylinder are contacted with the top of the brake shoe.
Preferably, the left end and the right end of the return spring are fixedly connected with the brake shoes, the left side and the right side of the regulator are fixedly connected with the brake shoes, the right side of the brake shoes is fixedly connected with a brake shaft, and the brake shaft penetrates through the back plate base to be fixedly connected with the alarm device.
Preferably, the alarm device comprises a touch arm, a touch arm fastening bolt, a touch arm latch, a touch switch, a connecting power supply and an alarm horn, and the brake shaft is provided with a round hole.
Preferably, a touch arm is mounted on the rear side of the brake shaft, the touch arm is in threaded connection with a touch arm fastening bolt, and the touch arm fastening bolt penetrates through a round hole of the touch arm in threaded connection with the brake shaft.
Preferably, the lower extreme fixed connection touching arm of touching arm hits the head, touching the front side that the arm hit the head and install touch switch, touch switch's right side fixed connection power, connect the right side fixed connection warning loudspeaker of power.
Compared with the prior art, the utility model has the beneficial effects that:
1. this drum brake system shoe wear degree detects alarm component is provided with alarm device, and when braking shoe wearing and tearing excessively, the brake shoe on right side moves rightwards, drives braking axle and moves forward, and the braking axle drives the touching arm and moves forward, touches the arm and hits the head and touch the touch switch, makes the warning loudspeaker sound to remind the driver to need change the brake shoe, prevent to drop because of friction force and lead to the brake distance to become longer.
2. The brake shoe wear detection alarm assembly of the drum brake is provided with a return spring and an adjustor, a brake cylinder is started, a piston pushes two brake shoes to two sides, the outer sides of the brake shoes rub against the inner wall of a brake drum, the brake shoes are decelerated, the return spring returns the brake shoes to the original position after the brake is released, and the adjustor can adjust the distance between the brake shoes and the brake drum.
Drawings
FIG. 1 is a front perspective view of the present utility model;
FIG. 2 is a schematic diagram of an alarm device of the present utility model;
FIG. 3 is a schematic side view of a back plate chassis of the present utility model;
FIG. 4 is a schematic view of an exploded construction of a brake drum according to the present utility model;
FIG. 5 is a schematic diagram of an explosion structure of the alarm device of the present utility model.
In the figure: 1. a brake drum; 2. a backboard base; 3. a rotating shaft; 4. brake shoes; 5. braking wheel cylinders; 6. a return spring; 7. a regulator; 8. an axle assembly; 9. a brake shaft; 10. an alarm device; 101. touching the arm; 102. touching the arm fastening bolt; 103. touching the arm to hit; 104. a touch switch; 105. connecting with a power supply; 106. alarm horn.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a drum brake system shoe wear degree detects alarm component, includes brake drum 1, backplate base 2, axletree assembly 8 and alarm device 10, fixed connection axletree assembly 8 in the middle of the brake drum 1, and backplate base 2 is connected in the rotation of axletree assembly 8, backplate base 2 is installed on the right side of brake drum 1, and alarm device 10 is installed on the right side of backplate base 2.
A rotating shaft 3, brake shoes 4, a brake cylinder 5, a return spring 6 and an adjustor 7 are arranged in the brake drum 1, and the lower end of the backboard base 2 is fixedly connected with the two rotating shafts 3.
The rotating shaft 3 is rotationally connected with the lower end of the brake shoe 4, the brake cylinder 5 is arranged at the upper end of the backboard base 2, the pistons at the left side and the right side of the brake cylinder 5 are contacted with the top of the brake shoe 4, the brake cylinder 5 is started, the pistons push the two brake shoes 4 to the two sides, and the outer sides of the brake shoes 4 rub against the inner wall of the brake drum 1 to reduce the speed.
The left end and the right end of the return spring 6 are fixedly connected with the brake shoe 4, the left side and the right side of the regulator 7 are fixedly connected with the brake shoe 4, the right side of the brake shoe 4 is fixedly connected with the brake shaft 9, the brake shaft 9 penetrates through the backboard base 2 and is fixedly connected with the alarm device 10, after the brake is released, the return spring 6 enables the brake shoe 4 to return to the original position, and the regulator 7 can regulate the distance between the brake shoe 4 and the brake drum 1.
The alarm device 10 comprises a touch arm 101, a touch arm fastening bolt 102, a touch arm touch head 103, a touch switch 104, a connecting power supply 105 and an alarm horn 106, and a circular hole is formed in the brake shaft 9.
The rear side of the brake shaft 9 is provided with a touch arm 101, the touch arm 101 is in threaded connection with a touch arm fastening bolt 102, the touch arm fastening bolt 102 penetrates through a round hole of the touch arm 101 in threaded connection with the brake shaft 9, and the brake shoe 4 on the right side moves rightwards to drive the brake shaft 9 to move forwards.
The lower extreme fixed connection touching arm of touching arm 101 hits head 103, and touching switch 104 is installed to touching arm and hits the front side of head 103, and touching switch 104's right side fixed connection power 105, connecting power 105's right side fixed connection alarm horn 106, braking axle 9 drive touching arm 101 and move forward, touching arm and hits head 103 and touches touching switch 104, makes alarm horn 106 sound.
Working principle:
when the brake shoe is used, the brake cylinder 5 is started, the pistons push the two brake shoes 4 to two sides, the outer sides of the brake shoes 4 rub against the inner wall of the brake drum 1, the brake is slowed down, the return spring 6 returns the brake shoes 4 to the original position after the brake is released, the regulator 7 can regulate the distance between the brake shoes 4 and the brake drum 1, when the brake shoes 4 are excessively worn, the brake shoes 4 on the right side move rightwards, the brake shaft 9 is driven to move forwards, the brake shaft 9 drives the touch arm 101 to move forwards, the touch arm touch head 103 touches the touch switch 104, and the alarm horn 106 sounds.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a drum brake system shoe wear degree detects alarm assembly, includes brake drum (1), backplate base (2), axletree assembly (8) and alarm device (10), its characterized in that: the automobile axle assembly (8) is fixedly connected in the middle of the brake drum (1), the automobile axle assembly (8) is rotationally connected with the backboard base (2), the backboard base (2) is installed on the right side of the brake drum (1), and the alarm device (10) is installed on the right side of the backboard base (2).
2. The drum brake shoe wear detection alarm assembly of claim 1, wherein: the brake drum (1) is internally provided with a rotating shaft (3), brake shoes (4), a brake cylinder (5), a return spring (6) and a regulator (7), and the lower end of the backboard base (2) is fixedly connected with the two rotating shafts (3).
3. The drum brake shoe wear detection alarm assembly of claim 2, wherein: the rotating shaft (3) is rotationally connected with the lower end of the brake shoe (4), a brake cylinder (5) is arranged at the upper end of the back plate base (2), and pistons at the left side and the right side of the brake cylinder (5) are contacted with the top of the brake shoe (4).
4. The drum brake shoe wear detection alarm assembly of claim 2, wherein: the left end and the right end of the return spring (6) are fixedly connected with the brake shoes (4), the left side and the right side of the regulator (7) are fixedly connected with the brake shoes (4), the right side of the brake shoes (4) is fixedly connected with the brake shaft (9), and the brake shaft (9) penetrates through the backboard base (2) and is fixedly connected with the alarm device (10).
5. The drum brake shoe wear detection alarm assembly of claim 4, wherein: the alarm device (10) comprises a touch arm (101), a touch arm fastening bolt (102), a touch arm latch (103), a touch switch (104), a connecting power supply (105) and an alarm horn (106), and the brake shaft (9) is provided with a round hole.
6. The drum brake shoe wear detection alarm assembly of claim 5, wherein: the rear side of the brake shaft (9) is provided with a touch arm (101), the touch arm (101) is in threaded connection with a touch arm fastening bolt (102), and the touch arm fastening bolt (102) penetrates through a round hole of the touch arm (101) in threaded connection with the brake shaft (9).
7. The drum brake shoe wear detection alarm assembly of claim 6, wherein: the touch control device is characterized in that the lower end of the touch arm (101) is fixedly connected with a touch arm collision head (103), a touch switch (104) is installed on the front side of the touch arm collision head (103), the right side of the touch switch (104) is fixedly connected with a power supply (105), and the right side of the power supply (105) is fixedly connected with an alarm horn (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321872312.2U CN220470516U (en) | 2023-07-17 | 2023-07-17 | Drum brake system shoe wear degree detects alarm component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321872312.2U CN220470516U (en) | 2023-07-17 | 2023-07-17 | Drum brake system shoe wear degree detects alarm component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470516U true CN220470516U (en) | 2024-02-09 |
Family
ID=89774239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321872312.2U Active CN220470516U (en) | 2023-07-17 | 2023-07-17 | Drum brake system shoe wear degree detects alarm component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470516U (en) |
-
2023
- 2023-07-17 CN CN202321872312.2U patent/CN220470516U/en active Active
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