CN217234207U - Safe type drum brake piece - Google Patents
Safe type drum brake piece Download PDFInfo
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- CN217234207U CN217234207U CN202122891261.5U CN202122891261U CN217234207U CN 217234207 U CN217234207 U CN 217234207U CN 202122891261 U CN202122891261 U CN 202122891261U CN 217234207 U CN217234207 U CN 217234207U
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Abstract
The utility model provides a safe drum brake pad, which comprises an arc-shaped back plate, a strip-shaped rib plate, a friction plate, a temperature sensor, a junction box and a multistage abrasion sensing unit; the multistage wear sensing unit comprises a strip-shaped plug board, arc-shaped conductive narrow strips and conductive connecting columns. The safety drum brake pad can detect the temperature of the friction plate in real time by using the temperature sensor, so that a temperature signal is obtained by a central control of an automobile, over-temperature alarm is timely carried out, a driver is reminded to stop the automobile and cool down the automobile in time, and the danger of brake failure can be effectively avoided; utilize the cooperation of each arc conductive strip and the electrically conductive spliced pole that corresponds, can form multistage wearing and tearing in each step groove department and detect to can be after the friction disc is worn and torn to a certain extent, can break off the wearing and tearing of the arc conductive strip of different positions department, the signal of wearing and tearing disconnection is received to accuse in the car this moment, is convenient for remind the mode degree of brake block.
Description
Technical Field
The invention relates to a brake pad. In particular to a safe drum brake pad.
Background
The brake pad is the most critical safety part in the braking system of car, and the brake pad plays decisive role to good or bad vehicle braking effect. The brake pad is generally composed of a steel backing plate and a friction plate made of friction material, the friction plate and the backing plate are bonded through an adhesion layer, and a heat insulation layer is generally arranged. The brake block is because with the brake disc hard contact in the use, consequently the braking in-process generates heat great, and the high temperature that long-time incessant brake formed causes the brake failure easily, thereby if can in time discover the high temperature and park the cooling, then can effectively avoid the malfunctioning danger of brake.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a safe type drum brake piece, the temperature that can real-time supervision brake piece to control in the feedback to the car, carry out the high temperature and report to the police, remind the driver in time to park the cooling, alright with effectively avoiding the malfunctioning danger of brake.
In order to realize the purpose of the utility model, the utility model provides a safe drum brake pad, which comprises an arc-shaped back plate, a strip-shaped ribbed plate, a friction plate, a temperature sensor, a junction box and a multistage abrasion sensing unit; the multistage wear sensing unit comprises a strip-shaped plug board, arc-shaped conductive narrow strips and conductive connecting columns;
the friction plate is fixedly arranged on the lower side arc-shaped surface of the arc-shaped back plate, and the strip-shaped rib plate is fixedly arranged on the upper side inner arc surface of the arc-shaped back plate; the left end and the right end of the strip-shaped rib plate are both provided with a hinged mounting hole; a tension spring hole is formed in each strip-shaped rib plate and is close to the left end and the right end; a sensing mounting hole and a strip-shaped jack are formed in the arc-shaped back plate, a sensing blind hole and a strip-shaped blind hole are formed in the friction plate, the sensing blind hole corresponds to the sensing mounting hole, and the strip-shaped jack corresponds to the strip-shaped blind hole; the strip-shaped plug board is inserted into the strip-shaped jack, and the lower side edge of the strip-shaped plug board extends into the strip-shaped blind hole; the lower side of the strip-shaped inserting plate is provided with step edges, and each step edge is provided with an arc convex edge; the bottom of the strip-shaped blind hole is provided with a step groove matched with the edge of the step; each arc-shaped conductive narrow strip is fixedly arranged on each arc-shaped convex edge, each conductive connecting column is vertically and fixedly arranged on the strip-shaped inserting plate in a penetrating mode, and two ends of each arc-shaped conductive narrow strip are correspondingly and electrically connected to one conductive connecting column; the junction box is fixed on the inner arc surface of the upper side of the arc-shaped backboard, and the wiring end of the temperature sensor and the wiring end of each conductive connecting column extend into the junction box.
Furthermore, a threading protective pipe is communicated with the junction box.
Furthermore, a strip-shaped heat dissipation groove is longitudinally arranged on the arc surface of the lower side of the friction plate.
Furthermore, a limiting convex strip is longitudinally arranged in the middle of the inner arc surface on the upper side of the arc-shaped back plate, and a limiting notch matched with the limiting convex strip is arranged in the middle of the edge of the strip-shaped rib plate; a triangular rib plate is arranged at the mounting connection position of the strip rib plate and the upper inner arc surface of the arc-shaped back plate.
Furthermore, each stable embedding strip embedded into the friction sheet is arranged on the arc-shaped surface of the lower side of the arc-shaped back plate at intervals.
Further, the stable embedded strip comprises a strip-shaped seat and folding side plates integrally arranged at two length edges of the strip-shaped seat; the two folding side plates are arranged in a V shape, and the extending edges of the two folding side plates are provided with flanging edges.
The beneficial effects of the utility model reside in that: the temperature sensor can be used for detecting the temperature of the friction plate in real time, so that a central control of the automobile acquires a temperature signal, and an over-temperature alarm is timely carried out, so that a driver is reminded to stop and cool down in time, and the risk of brake failure can be effectively avoided; by utilizing the matching of each arc-shaped conductive narrow strip and the corresponding conductive connecting column, multi-stage abrasion detection can be formed at each step groove, so that the arc-shaped conductive narrow strips at different positions can be abraded and disconnected after the friction plate is abraded to a certain degree, and the automobile central controller receives an abrasion disconnection signal at the moment, thereby being convenient for reminding the mode degree of the brake pad; the junction box can facilitate the wiring of the temperature sensor and the electric connection ends of the conductive connection columns; the arc-shaped conductive strip can be supported by the arc-shaped convex edge, so that the arc-shaped conductive strip is supported when being worn, and the reliability of the worn arc-shaped conductive strip is ensured; the temperature sensor is inserted into the sensing blind hole, so that a reliable temperature monitoring result can be ensured; the installation of the strip rib plates in the drum can be realized by the arrangement of the hinge mounting holes and the tension spring holes.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a front view of the arc-shaped back plate of the present invention;
fig. 3 is a schematic view of a partial sectional structure of the installation position of the temperature sensor according to the present invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1-3, the utility model provides a safe type drum brake piece includes: the device comprises an arc-shaped back plate 1, strip-shaped rib plates 3, friction plates 2, a temperature sensor 14, a junction box 4 and a multi-stage wear sensing unit; the multi-stage wear sensing unit comprises a strip-shaped plug board 15, arc-shaped conductive narrow strips 22 and conductive connecting columns 24;
the friction plate 2 is fixedly arranged on the lower side arc-shaped surface of the arc-shaped back plate 1, and the strip-shaped rib plate 3 is fixedly arranged on the upper side inner arc surface of the arc-shaped back plate 1; the left end and the right end of the strip-shaped rib plate 3 are both provided with a hinged mounting hole 8; a tension spring hole 10 is formed in the strip-shaped rib plate 3 and close to the left end and the right end; a sensing mounting hole 16 and a strip-shaped jack 23 are arranged on the arc-shaped back plate 1, a sensing blind hole 17 and a strip-shaped blind hole 18 are arranged on the friction plate 2, the sensing blind hole 17 corresponds to the sensing mounting hole 16, and the strip-shaped jack 23 corresponds to the strip-shaped blind hole 18; the strip-shaped inserting plate 15 is inserted into the strip-shaped inserting hole 23, and the lower side edge of the strip-shaped inserting plate 15 extends into the strip-shaped blind hole 18; the lower side edge of the strip-shaped inserting plate 15 is provided with step edges 20, and each step edge 20 is provided with an arc convex edge 21; the bottom of the strip-shaped blind hole 18 is provided with a step groove 19 matched with a step edge 20; each arc-shaped conductive narrow strip 22 is fixedly arranged on each arc-shaped convex edge 21, each conductive connecting column 24 is vertically and fixedly arranged on the strip-shaped inserting plate 15 in a penetrating way, and two ends of each arc-shaped conductive narrow strip 22 are correspondingly and electrically connected on one conductive connecting column 24; the junction box 4 is fixed on the upper inner arc surface of the arc-shaped backboard 1, and the terminal of the temperature sensor 14 and the terminal of each conductive connecting column 24 extend into the junction box 4.
The temperature sensor 14 can be used for detecting the temperature of the friction plate 2 in real time, so that a central control of the automobile acquires a temperature signal, and an over-temperature alarm is timely carried out, so that a driver is reminded to stop and cool down in time, and the danger of brake failure can be effectively avoided; by utilizing the matching of each arc-shaped conductive narrow strip 22 and the corresponding conductive connecting column 24, multi-level abrasion detection can be formed at each step groove 19, so that the arc-shaped conductive narrow strips 22 at different positions can be abraded and disconnected after the friction plate 2 is abraded to a certain degree, and the automobile central controller receives an abrasion disconnection signal at the moment, thereby being convenient for reminding the mode degree of the brake pad; the use of the terminal block 4 can facilitate the wiring of the temperature sensor 14 and the electrical connection terminals of the various conductive connection posts 24; the arc-shaped conducting strip 22 can be supported by the arc-shaped convex edge 21, so that the arc-shaped conducting strip 22 is supported when being worn, and the reliability of the wear is ensured; the temperature sensor 14 is inserted into the sensing blind hole 17, so that a reliable temperature monitoring result can be ensured; the installation of the strip-shaped rib plate 3 in the drum can be realized by the arrangement of the hinge mounting holes 8 and the tension spring holes 10.
Furthermore, a threading protective pipe 5 is communicated with the junction box 4.
The temperature sensor 14 and the electric connection cables of the conductive connection columns 24 can be safely protected by the threading protection tube 5, and the reliability of electric connection is ensured.
Further, a strip-shaped heat dissipation groove 7 is longitudinally arranged on the lower side arc surface of the friction plate 2.
The use of the strip-shaped heat dissipation grooves 7 can improve the heat dissipation performance of the friction plate 2 in use.
Further, a limiting convex strip 6 is longitudinally arranged in the middle of the inner arc surface on the upper side of the arc-shaped back plate 1, and a limiting notch matched with the limiting convex strip 6 is arranged in the middle of the edge of the strip-shaped rib plate 3; a triangular rib plate 9 is arranged at the mounting connection position of the strip rib plate 3 and the upper inner arc surface of the arc-shaped back plate 1.
The strength of the installation structure of the strip rib plate 3 can be enhanced by matching the limiting convex strips 6 with the limiting notches; the mounting structural strength of the strip rib plate 3 can be further enhanced by using the triangular rib plate 9.
Furthermore, each stable embedding strip embedded into the friction plate 2 is arranged on the arc-shaped surface of the lower side of the arc-shaped back plate 1 at intervals.
The stability of the friction plate 2 on the arc-shaped back plate 1 can be enhanced by using the stable embedding strips.
Further, the stable embedded strip comprises a strip-shaped seat 11 and folding side plates 12 integrally arranged at two length edges of the strip-shaped seat 11; the two folding side plates 12 are arranged in a V shape, and folding edges 13 are arranged at the extending edges of the two folding side plates 12.
The two folding side plates 12 are arranged in a V shape and can be unfolded and deformed in the hot-press forming process of the friction plate 2, so that the friction plate 2 is firmly locked on the arc-shaped back plate 1; the firm locking of the friction plate 2 and the arc-shaped back plate 1 can be further enhanced by the turned-over edge 13.
The utility model discloses a safe type drum brake block when installing and using, is connected temperature sensor 14 and each electrically conductive spliced pole 24 electricity to the car central control through the electricity connection cable, by the temperature of temperature sensor 14 real-time detection friction disc 2 to acquire temperature signal by the car central control, in time carry out the high temperature warning, thereby remind the driver in time to park the cooling, can effectively avoid the malfunctioning danger of brake; after the friction plate 2 is worn to a certain degree, the arc-shaped conductive narrow strips 22 at different positions are worn and disconnected, and at the moment, the central control of the automobile receives a signal of the wear and disconnection, so that the mode degree of the brake pad is convenient to remind.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited to the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a safe type drum brake piece which characterized in that: the wear-resistant steel wire rope comprises an arc-shaped back plate (1), strip-shaped rib plates (3), friction plates (2), a temperature sensor (14), a junction box (4) and a multi-stage wear sensing unit; the multistage wear sensing unit comprises a strip-shaped plug board (15), arc-shaped conductive narrow strips (22) and conductive connecting columns (24);
the friction plate (2) is fixedly arranged on the lower side arc-shaped surface of the arc-shaped back plate (1), and the strip-shaped rib plate (3) is fixedly arranged on the upper side inner arc surface of the arc-shaped back plate (1); the left end and the right end of the strip-shaped rib plate (3) are respectively provided with a hinged mounting hole (8); a tension spring hole (10) is arranged on the strip-shaped rib plate (3) and close to the left end and the right end; a sensing mounting hole (16) and a strip-shaped jack (23) are arranged on the arc-shaped back plate (1), a sensing blind hole (17) and a strip-shaped blind hole (18) are arranged on the friction plate (2), the sensing blind hole (17) corresponds to the sensing mounting hole (16), and the strip-shaped jack (23) corresponds to the strip-shaped blind hole (18); the strip-shaped plug board (15) is inserted into the strip-shaped jack (23), and the lower side edge of the strip-shaped plug board (15) extends into the strip-shaped blind hole (18); the lower side of the strip-shaped inserting plate (15) is provided with step edges (20), and each step edge (20) is provided with an arc convex edge (21); the bottom of the strip-shaped blind hole (18) is provided with a step groove (19) matched with the step edge (20); each arc-shaped conductive narrow strip (22) is fixedly arranged on each arc-shaped convex edge (21), each conductive connecting column (24) is vertically and fixedly arranged on the strip-shaped inserting plate (15) in a penetrating way, and two ends of each arc-shaped conductive narrow strip (22) are correspondingly and electrically connected on one conductive connecting column (24); the junction box (4) is fixed on the inner arc surface of the upper side of the arc-shaped back plate (1), and the wiring ends of the temperature sensor (14) and the wiring ends of the conductive connecting columns (24) extend into the junction box (4).
2. The safety drum brake of claim 1, wherein: a threading protective pipe (5) is communicated with the junction box (4).
3. The safety drum brake of claim 1, wherein: a strip-shaped heat dissipation groove (7) is longitudinally arranged on the cambered surface of the lower side of the friction plate (2).
4. The safety drum brake of claim 1, wherein: a limiting convex strip (6) is longitudinally arranged in the middle of the inner arc surface on the upper side of the arc-shaped back plate (1), and a limiting notch matched with the limiting convex strip (6) is arranged in the middle of the edge of the strip-shaped rib plate (3); a triangular rib plate (9) is arranged at the mounting connection position of the upper inner arc surface of the strip rib plate (3) and the arc-shaped back plate (1).
5. The safety drum brake pad of claim 1, wherein: and stable embedding strips embedded into the friction plate (2) are arranged on the arc-shaped surface of the lower side of the arc-shaped back plate (1) at intervals.
6. The safety drum brake of claim 1, wherein: the stable embedding strip comprises a strip-shaped seat (11) and folding side plates (12) integrally arranged at two length edges of the strip-shaped seat (11); the two folding side plates (12) are arranged in a V shape, and folding edges (13) are arranged at the extending edges of the two folding side plates (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122891261.5U CN217234207U (en) | 2021-11-24 | 2021-11-24 | Safe type drum brake piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122891261.5U CN217234207U (en) | 2021-11-24 | 2021-11-24 | Safe type drum brake piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217234207U true CN217234207U (en) | 2022-08-19 |
Family
ID=82817438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122891261.5U Active CN217234207U (en) | 2021-11-24 | 2021-11-24 | Safe type drum brake piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217234207U (en) |
-
2021
- 2021-11-24 CN CN202122891261.5U patent/CN217234207U/en active Active
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