CN216842818U - Exempt from side dress formula braking piece wearing and tearing alarm sensor that punches - Google Patents
Exempt from side dress formula braking piece wearing and tearing alarm sensor that punches Download PDFInfo
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- CN216842818U CN216842818U CN202220648029.0U CN202220648029U CN216842818U CN 216842818 U CN216842818 U CN 216842818U CN 202220648029 U CN202220648029 U CN 202220648029U CN 216842818 U CN216842818 U CN 216842818U
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- wearing
- tearing
- brake shoe
- alarm sensor
- brake
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Abstract
The application discloses exempt from to punch side dress formula braking piece wearing and tearing alarm sensor belongs to braking piece wearing and tearing alarm sensor field for braking piece wearing and tearing are reported to the police, and it includes wearing and tearing portion, the wire has in the wearing and tearing portion, the wire is buckled in wearing and tearing portion and is constituted wearing and tearing induction loop, wearing and tearing portion is connected with the support through the fixed part, and the support has fastening screw, and fastening screw is with leg joint on the brake shoe, and wearing and tearing portion is located between the adjacent brake lining on the brake shoe. In view of above-mentioned technical scheme, it can avoid reserving the hole site on the brake shoe in order to install the problem of braking piece wearing and tearing alarm sensor, can also reduce the installation step of braking piece wearing and tearing alarm sensor simultaneously, improves the installation effectiveness.
Description
Technical Field
The utility model belongs to braking piece wearing and tearing alarm sensor field, specifically speaking especially relates to an exempt from to punch side dress formula braking piece wearing and tearing alarm sensor.
Background
According to the regulations of GB7258-2017 technical conditions for safety of motor vehicle operation, a passenger car, a truck and a special work vehicle with the total mass larger than 3500kg are provided with the automatic brake clearance adjusting device, and when a brake lining of a service brake needs to be replaced, an optical or acoustic alarm device is adopted to give an alarm to a driver on a driver seat. Taking a drum brake as an example, a brake pad wear alarm sensor adopted by the drum brake is mostly installed on a brake shoe, a corresponding installation hole is generally processed on the brake shoe or a brake lining, and the brake pad wear alarm sensor is fixed in an insertion or connection manner through a connecting piece, for example, in a wear alarm device represented by chinese patent publication No. CN208364649U, a wear alarm device needs to be installed downwards on the top of the brake shoe, and the wear alarm device is connected to the brake shoe through a clamping piece after installation.
However, the above-described mounting method requires a large part of the structure of the drum brake to be removed, and increases the operation space for mounting the brake pad wear warning sensor in the mounting hole of the brake shoe or the brake lining, which makes the mounting process complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exempt from to punch side dress formula braking piece wearing and tearing alarm sensor, it can avoid reserving the hole site on the brake shoe in order to install the problem of braking piece wearing and tearing alarm sensor, can also reduce braking piece wearing and tearing alarm sensor's installation procedure simultaneously, improves the installation effectiveness.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
a punching-free side-mounted brake pad abrasion alarm sensor comprises an abrasion part, wherein a lead 5 is arranged in the abrasion part, the lead is bent in the abrasion part 1 to form an abrasion induction loop, the abrasion part is connected with a support through a fixing part, the support is provided with an opening for clamping a brake shoe and is connected to the brake shoe through a fastening screw; the wearing part and the fixing part are located between adjacent brake linings in the brake shoe, and the wearing part faces to the direction of the wearing surface of the brake lining.
Further, the utility model discloses in the support be U type structure, its grafting portion that has grafting or mould plastics in the fixed part, the kink that sets up relatively with grafting portion, kink, grafting portion list in the both sides of brake shoe and all have the connecting portion that supply fastening screw to connect, connecting portion are close to the position department of buckling of U type structure.
Furthermore, in the present invention, the free end of the bending portion has a limiting portion bent inward.
Furthermore, the utility model discloses in spacing portion be sawtooth structure or the elastic deformation structure of bending type formation.
Further, the utility model discloses in the support be provided with connecting portion at the free end of its kink, connecting portion department is connected with fastening screw.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can install braking piece wearing and tearing alarm sensor on the brake shoe with the mode of side dress through the observation hole that keeps off dirt dish has in the drum brake, can avoid former braking piece wearing and tearing alarm sensor to need the brake shoe to reserve installation hole site and the comparatively loaded down with trivial details problem of installation procedure in the installation, can avoid dismantling and structural change on a large scale to drum brake again when improving installation effectiveness.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a first schematic view (after removing the wires) of the structure of the wearing portion, the fixing portion and the bracket.
Fig. 3 is a second schematic structural view of the wearing portion, the fixing portion and the bracket (after the wires are removed).
Fig. 4 is a schematic view of the installation position of the present invention.
In the figure: 1. a wear portion; 2. a fixed part; 3. a support; 4. fastening screws; 5. a wire; 6. a brake lining; 7. braking a horseshoe; 8. a dust-blocking plate.
21. Inserting holes; 31. a plug-in part; 32. a connecting portion; 33. a limiting part; 34. a bending section; 81. and (6) observing holes.
Detailed Description
The technical solution of the present invention will be further described and explained with reference to the accompanying drawings. The terms of orientation used in the detailed description are merely provided to facilitate a person skilled in the art to understand the technical solutions described in the present application according to the visual orientations shown in the drawings. Unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and their specific meanings in the present disclosure may be understood by those skilled in the art as appropriate.
As shown in FIG. 1, the punching-free side-mounted brake pad wear alarm sensor comprises a bracket 3 with a U-shaped structure, wherein an insertion part 31 and a bending part 34 are respectively arranged at two sides of the U-shaped structure, the insertion part 31 is inserted into a fixing part 2, and the fixing part 2 is provided with an insertion hole 21 for the insertion part 31 to penetrate through. The cross-sectional shape of the insertion hole 21 is adapted to the cross-sectional shape of the insertion part 31.
Fixed part 2 moulds plastics as an organic wholely with wearing and tearing portion 1, is provided with wire 5 in the wearing and tearing portion 1, and wire 5 buckles in wearing and tearing portion 1's inside and constitutes the return circuit, and wire 5 keeps away from the tip of wearing and tearing portion 1 and passes through binding post and connect in the detection alarm circuit of car to the realization sends alarm signal to the navigating mate that is in on the driver's seat through acoustics or optical alarm device.
The bracket 3 is provided with a connecting part 32 at the free end of the bending part 34, and the connecting part 32 is provided with a through hole for the fastening screw 4 to pass through; the inserting part 31 and the bending part 34 are respectively arranged at two sides of the brake shoe 7, and the fastening screw 4 screwed into the bending part 34 can stably fix the bracket 3 on the brake shoe 7. The wearing part 1 and the fixing part 2 connected to the bracket 3 are positioned between the brake linings 6 adjacent to the brake shoe 7, and the friction surface of the wearing part 1 faces the direction of the friction surface of the brake lining 6. When the friction surface of the brake lining 6 is abraded to a certain degree and continues to be abraded, the friction surface and the friction surface of the abrasion part 1 are abraded, and after a loop formed by the conducting wires 5 is abraded to be broken to form an open circuit, the automobile detection alarm circuit immediately sends an alarm signal to a driver on a driver seat through an acoustic or optical alarm device.
As shown in fig. 2, the connecting portion 32 of the bracket 3 is close to the bent portion of the U-shaped structure, and the connecting portion 32 is correspondingly disposed on the inserting portion 31 and the bent portion 34, respectively, the outer dimension of the connecting portion 32 is significantly larger than that of the inserting portion 31 and the bent portion 34, and the inserting hole 21 of the fixing portion 2 is provided with an area for inserting a part of the connecting portion 32 in addition to the inserting portion 31. The connecting parts 32 on the inserting part 31 and the bending part 34 are connected through the fastening screw 4, and in the screwing-in process of the fastening screw 4, the inserting part 31 and the bending part 34 are respectively attached to and pressed against the brake shoe 7. The free end of the bending part 34 is bent towards the direction of the brake shoe 7 and is processed with a sawtooth structure, and the sawtooth structure can better stabilize the relative position of the bracket 3 and the brake shoe 7.
As shown in fig. 3, the free end of the bending portion 34 may be bent inward to form an elastic deformation structure, and the elastic deformation structure may deform itself due to the extrusion of the bending portion 34 during the screwing process of the fastening screw 4, so as to better stabilize the relative position between the bracket 3 and the brake shoe 7.
As shown in fig. 4, the wearing part 1 is located between adjacent brake linings 6 on the brake shoe 7, and a gap is left between adjacent brake linings 6 on the brake shoe 7, and the wearing part 1 and the integrated fixing part 2 thereof are located in the gap. The friction surface of the wear portion 1 faces the direction of the friction surface of the brake lining 6 and wears together with the brake lining 6 when it is worn to a predetermined position. The lead 5 in the wearing part 1 is disconnected after wearing, the disconnected lead 5 forms an open loop by a closed loop, and a detection alarm circuit of the automobile sends an alarm signal to a driver on a driver seat through an acoustic or optical alarm device.
Wearing and tearing portion 1, fixed part 2, support 3, fastening screw 4 are realized in the observation hole 81 on the dust board 8 in the installation on the brake shoe 7, and the space demand that above-mentioned structure passed and was fixed in on the brake shoe 7 can be satisfied in observation hole 81. The bracket 3 is fixedly connected to the brake shoe 7 by screwing in the fastening screw 4, and the fixing part 2 and the wearing part 1 connected to the bracket 3 are located between the adjacent brake linings 6.
Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (5)
1. A punching-free side-mounted brake pad wear alarm sensor comprises a wear part (1), wherein a lead (5) is arranged in the wear part (1), the lead (5) is bent in the wear part (1) and forms a wear induction loop, and the punching-free side-mounted brake pad wear alarm sensor is characterized in that: the abrasion part (1) is connected with a support (3) through a fixing part (2), the support (3) is provided with an opening for clamping a brake shoe (7) and is connected to the brake shoe (7) through a fastening screw (4); the wearing part (1) and the fixing part (2) are located between adjacent brake linings (6) in the brake shoe (7), and the wearing part (1) faces to the direction of a wearing surface of the brake linings (6).
2. The punch-free side-mounted brake pad wear warning sensor of claim 1, wherein: the brake shoe is characterized in that the support (3) is of a U-shaped structure and is provided with an inserting part (31) inserted or injected into the fixing part (2) and a bending part (34) arranged opposite to the inserting part (31), the bending part (34) and the inserting part (31) are respectively arranged on two sides of the brake shoe (7) and are provided with connecting parts (32) connected by fastening screws (4), and the connecting parts (32) are close to the bending positions of the U-shaped structure.
3. The punch-free side-mounted brake pad wear warning sensor of claim 2, wherein: the free end of the bending part (34) is provided with a limiting part (33) which is bent inwards.
4. The punch-free side-mounted brake pad wear warning sensor of claim 3, wherein: the limiting part (33) is of a sawtooth structure or an elastic deformation structure formed by bending.
5. The punch-free side-mounted brake pad wear warning sensor of claim 1, wherein: the free end of the bent part (34) of the bracket (3) is provided with a connecting part (32), and the connecting part (32) is connected with a fastening screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648029.0U CN216842818U (en) | 2022-03-24 | 2022-03-24 | Exempt from side dress formula braking piece wearing and tearing alarm sensor that punches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648029.0U CN216842818U (en) | 2022-03-24 | 2022-03-24 | Exempt from side dress formula braking piece wearing and tearing alarm sensor that punches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842818U true CN216842818U (en) | 2022-06-28 |
Family
ID=82096003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220648029.0U Active CN216842818U (en) | 2022-03-24 | 2022-03-24 | Exempt from side dress formula braking piece wearing and tearing alarm sensor that punches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842818U (en) |
-
2022
- 2022-03-24 CN CN202220648029.0U patent/CN216842818U/en active Active
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