CN209762077U - Wear alarm mechanism inserts soon - Google Patents
Wear alarm mechanism inserts soon Download PDFInfo
- Publication number
- CN209762077U CN209762077U CN201920500515.6U CN201920500515U CN209762077U CN 209762077 U CN209762077 U CN 209762077U CN 201920500515 U CN201920500515 U CN 201920500515U CN 209762077 U CN209762077 U CN 209762077U
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- Prior art keywords
- hole
- assembly
- assembly body
- alarm
- brake
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000003780 insertion Methods 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to a wear alarm mechanism inserts soon, including the brake shoe, the brake lining is installed to brake shoe top, and it has through-hole one to open on the brake lining, and it has through-hole two to open on the brake shoe, and alarm line assembly embedding is installed in through-hole one and is passed through-hole two, through the pothook joint on the brake shoe, and alarm line assembly is including running through the assembly body that has the pencil, and the pencil is connected with vehicle circuit system and is formed circuit. The utility model discloses a pothook on the elasticity card is realized installing the alarm line assembly on brake shoe and brake lining, and the break-make through the pencil judges the wearing and tearing situation of brake lining in real time, and this mechanism simple structure, operation are convenient fast, and easily the later stage is changed to flexible locking is reliable, has anti-seismic performance.
Description
Technical Field
the utility model belongs to the technical field of the braking equipment technique and specifically relates to an insert wearing and tearing alarm mechanism soon.
Background
The drum brake is the earliest applied brake mechanism of an automobile chassis brake system, and with the continuous development of the automobile industry, corresponding laws and regulations are continuously provided, the requirements on the existing drum brake are continuously improved, the drum brake is required to meet the brake performance, and other intelligent auxiliary functions are required; the requirement mentioned in the new standard GB/T7258 "to alert the driver in the driver's seat when the service brake linings need to be replaced by an optical or acoustic warning device" defines the requirement that the drum brake construction must include a warning device for warning when the brake linings are worn.
In the prior art, wear alarm devices for drum brakes of various structures have been developed on the market successively, and mainly refer to break-type wear alarm devices which are applied in batches for disc brakes in mechanism principle; although the alarm mechanism can realize the alarm function when being applied to the drum brake, the increase of the alarm mechanism causes the increase of a plurality of new processes and procedures on the drum brake due to the great difference of the integral structure of the drum brake and the disc brake, and the side effect is great.
The profit margin of the automobile industry, especially the commercial vehicle industry, is extremely small, the cost is increased by increasing the alarm mechanism, the alarm mechanism belongs to a consumption part, and the replacement cost and the replacement controllability after abrasion are considered; in addition, due to the influence of the structure and the working state of the drum brake, the installation space of the alarm mechanism is limited, the working environment is complex, and the alarm mechanism must resist shock and high temperature.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a quick-insertion abrasion alarm mechanism with a reasonable structure, so that the alarm function of a drum brake is realized, the cost is low, the installation is convenient, the replacement is easy, and the production efficiency is greatly improved.
The utility model discloses the technical scheme who adopts as follows:
The utility model provides a wear alarm mechanism inserts soon, includes the brake shoe, and the brake lining is installed to the brake shoe top, and it has through-hole one to open on the brake lining, and it has through-hole two to open on the brake shoe of a through-hole corresponding position, and the joint has the alarm line assembly of "T" type simultaneously in through-hole one and the through-hole two, and the alarm line assembly includes the elasticity card of "invering U type" structure, and the elasticity card includes U type body, and the outside extension in U type body both ends has the pothook, the last plane of pothook with the laminating of the bottom surface of brake shoe to side direction protrusion in the inner wall of through-hole two.
As a further improvement of the above technical solution:
The alarm line assembly is structurally characterized in that: the wire harness assembly further comprises a T-shaped assembly body, a wire harness penetrates through the assembly body, and two ends of the wire harness extend out of the bottom end of the assembly body; the lower part of the assembly body is provided with a third through hole, the elastic clamp penetrates through the third through hole, and the clamping hooks at two ends of the elastic clamp protrude out of the assembly body; a groove is formed upwards in the assembly body positioned in the middle of the three axial directions of the through hole; the upper surface of the U-shaped body is higher than the hook and is contained in the groove.
The wiring harness is connected with a vehicle circuit system and forms a loop.
The center of the top of the assembly body is fixedly provided with a wear block protruding out of the upper surface of the assembly body, and the wire harness penetrates through the assembly body and the wear block.
The side surface of the hook is an inclined surface structure which is inclined inwards.
The aperture of the first through hole is larger than that of the second through hole, and the first through hole and the second through hole are matched to form a T-shaped space matched with the appearance of the alarm line assembly.
The top end of the alarm cable assembly is lower than the upper plane of the brake lining.
The utility model has the advantages as follows:
The utility model has compact and reasonable structure, convenient installation, simplicity and rapidness, realizes the quick insertion and locking installation of the alarm line assembly on the brake shoe and the brake lining sheet through the hook structure on the elastic card, and the flexible locking matching structure of the elastic card can not fail under the interference of non-human factors, thereby effectively ensuring the integral anti-vibration performance of the mechanism and the integral stability of the mechanism; the elastic card is made of elastic materials, so that the U-shaped body is pressed into the total cost body after being flattened during assembly, and the U-shaped body is restored after pressure is released to be clamped in the total cost body, so that the elastic card and the assembly body are installed; the utility model discloses an increase is minimum to the production and processing technology and the process influence of current drum brake, only needs to increase the through-hole that a position corresponds on brake lining and brake shoe respectively, and easy operation easily realizes, and is minimum to the influence of current production technology beat.
The utility model discloses still include following advantage:
When the brake lining is worn to be level with the top end of the alarm line assembly, the brake lining and the alarm line assembly are worn together, so that the wire harness in the assembly body is broken, the loop formed by the wire harness and the vehicle circuit system is interrupted, an alarm is triggered, the abrasion condition of the brake lining is judged in real time through the on-off of the wire harness, and the brake lining abrasion detection device is effective, convenient and fast;
The utility model discloses a pencil separates with the whole pencil of vehicle, is convenient for change the installation alone after the pencil wearing and tearing, has greatly reduced the cost of later stage change maintenance;
The utility model has simple structure, convenient operation, low requirement on the operation specification of workers during installation, strong batch operability and convenient replacement, and can be pressed in to ensure clamping; and the utility model discloses it is limited because of the installation space that drum brake structure itself leads to solved well to the difficult operation, the maloperation problem that produce.
Drawings
Fig. 1 is a front view (full sectional view, first embodiment) of the present invention.
Fig. 2 is a front view (full section, embodiment one) of the alarm line assembly of the present invention.
Fig. 3 is a side view (full section, embodiment one) of the alarm cable assembly of the present invention.
Fig. 4 is a schematic structural view of the elastic card of the present invention.
fig. 5 is a front view (full sectional view, embodiment two) of the present invention.
fig. 6 is a front view (full sectional view, embodiment two) of the alarm line assembly of the present invention.
Wherein: 1. braking a horseshoe; 11. a second through hole; 2. a brake lining; 21. a first through hole; 3. an alarm line assembly; 31. an assembly body; 311. a third through hole; 312. a groove; 32. a wire harness; 33. an elastic card; 331. a hook; 332. a U-shaped body; 34. and (5) wearing the blocks.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the quick-insertion wear warning mechanism of the present embodiment includes a brake shoe 1, a brake lining 2 is installed above the brake shoe 1, a first through hole 21 is formed in the brake lining 2, a second through hole 11 is formed in the brake shoe 1 at a position corresponding to the first through hole 21, a T-shaped warning line assembly 3 is simultaneously clamped in the first through hole 21 and the second through hole 11, the warning line assembly 3 includes an elastic clip 33 having an inverted U-shaped structure, as shown in fig. 4, the elastic clip 33 includes a U-shaped body 332, two ends of the U-shaped body 332 extend outward to form a hook 331, an upper plane of the hook 331 is attached to a bottom surface of the brake shoe 1, and protrudes laterally from an inner wall of the second through hole 11.
As shown in fig. 2 and 3, the alarm line assembly 3 has the following structure: the assembly further comprises a T-shaped assembly body 31, a wiring harness 32 penetrates through the assembly body 31, and two ends of the wiring harness 32 extend out of the bottom end of the assembly body 31; the lower part of the assembly body 31 is provided with a third through hole 311, the elastic card 33 penetrates through the third through hole 311, and the clamping hooks 331 at the two ends of the elastic card protrude out of the assembly body 31; a groove 312 is formed upwards in the assembly body 31 positioned at the axial middle position of the third through hole 311; the upper surface of the U-shaped body 332 is higher than the hook 331 and is contained in the groove 312, so as to ensure effective and reliable clamping connection between the elastic clamp 33 and the assembly body 31.
The wiring harness 32 is connected to the vehicle circuitry and forms a loop.
As shown in fig. 5 and 6, a wear block 34 protruding from the upper surface of the assembly body 31 is fixedly installed at the center of the top of the assembly body 31, and the wire harness 32 penetrates through the assembly body 31 and the wear block 34; the wear block 34 is made of high temperature resistant and wearable material, and the upper end of the wear block protrudes out of the assembly body 31, so that the assembly body 31 is not damaged in the wear process.
The side surface of the hook 331 is a slope structure inclined inward.
The aperture of the first through hole 21 is larger than that of the second through hole 11, and the first through hole and the second through hole are matched to form a T-shaped space matched with the appearance of the alarm line assembly 3.
the top end of the alarm cable assembly 3 is lower than the upper plane of the brake lining 2.
the assembling method of the quick-insertion wear alarm mechanism comprises the following operation steps:
The first step is as follows: preparing materials, namely preparing an assembly body 31, a wiring harness 32 and an elastic card 33;
the second step is that: assembling the alarm line assembly 3, namely penetrating the wiring harness 32 through the assembly body 31, and enabling both ends of the wiring harness to penetrate out of the bottom of the assembly body 31; flattening the U-shaped body 332 of the elastic card 33, rapidly extending the hook 331 at one end into the third through hole 311 and penetrating through the assembly body 31, releasing the flattened U-shaped body 332 in the assembly body 31 and accommodating the flattened U-shaped body in the groove 312 in an original state, so that the elastic card 33 is clamped on the assembly body 31; the alarm line assembly 3 is assembled;
The third step: installing an alarm cable assembly 3, placing the alarm cable assembly 3 into the first through hole 21 from the end part of the brake lining 2, applying pressure to enable the clamping hook 331 on the elastic clamp 33 to deform under the compression of the port at one end of the second through hole 11 and penetrate through the brake shoe 1 along the inverted cone shape of the clamping hook 331, recovering the shape of the clamping hook 331 and clamping the clamping hook 331 at the port at the other end of the second through hole 11, so that the alarm cable assembly 3 is quickly locked on the brake shoe 1 in an inserting manner;
The fourth step: and repeating the operation cycles from the first step to the third step.
In the second embodiment shown in fig. 5 and 6, when assembling the alarm cable assembly 3, the wear block 34 is further installed on the top of the assembly body 31 and protrudes out of the upper plane thereof, and the wire harness 32 is required to sequentially penetrate through the assembly body 31 and the wear block 34; after the warning wire assembly 3 is assembled to the brake lining 2 and the brake shoe 1, the top of the wear block 34 is lower than the upper plane of the brake lining 2.
When the brake lining 2 is worn to be flush with the top end of the warning line assembly 3, the brake lining and the warning line assembly are worn together, so that the wiring harness 32 in the assembly body 31 is broken, a circuit formed by the wiring harness 32 and a vehicle circuit system is interrupted, and a warning is triggered.
the utility model greatly saves the cost and reduces the processing technology and the working procedure steps on the premise of meeting the alarm function of the brake; the installation is simple and quick, and the large-batch controllability is strong; the flexible fixation has strong shock resistance, and the stability of the mechanism in the use process is ensured; the later replacement and maintenance cost is low; the change to the existing brake shoe and brake lining is small, the utility model discloses have general suitability.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (7)
1. The utility model provides a wear alarm mechanism inserts soon which characterized in that: including brake shoe (1), brake lining (2) are installed to brake shoe (1) top, it has through-hole (21) to open on brake lining (2), it has through-hole two (11) to open on brake shoe (1) with through-hole one (21) corresponding position, the joint has alarm line assembly (3) of "T" type simultaneously in through-hole one (21) and through-hole two (11), alarm line assembly (3) are including elastic clip (33) of "inversion U type" structure, elastic clip (33) are including U type body (332), U type body (332) both ends outwards extend have pothook (331), the last plane of pothook (331) with the laminating of the bottom surface of brake shoe (1) to the side direction protrusion is in the inner wall of through-hole two (11).
2. A quick-insertion wear warning mechanism as claimed in claim 1, wherein: the alarm line assembly (3) is structurally characterized in that: the assembly is characterized by further comprising a T-shaped assembly body (31), a wiring harness (32) penetrates through the assembly body (31), and two ends of the wiring harness (32) extend out of the bottom end of the assembly body (31); the lower part of the assembly body (31) is provided with a third through hole (311), the elastic clamp (33) penetrates through the third through hole (311), and the clamping hooks (331) at the two ends of the elastic clamp protrude out of the assembly body (31); a groove (312) is formed upwards in the assembly body (31) positioned in the axial middle position of the third through hole (311); the upper surface of the U-shaped body (332) is higher than the hook (331) and is contained in the groove (312).
3. A quick-insertion wear warning mechanism as claimed in claim 2, wherein: the wiring harness (32) is connected to a vehicle circuit system and forms a loop.
4. A quick-insertion wear warning mechanism as claimed in claim 2, wherein: the center of the top of the assembly body (31) is fixedly provided with a wear block (34) protruding out of the upper surface of the assembly body, and the wiring harness (32) penetrates through the assembly body (31) and the wear block (34).
5. A quick-insertion wear warning mechanism as claimed in claim 1, wherein: the side surface of the hook (331) is an inclined surface structure which is inclined inwards.
6. A quick-insertion wear warning mechanism as claimed in claim 1, wherein: the aperture of the first through hole (21) is larger than that of the second through hole (11), and the first through hole and the second through hole are matched to form a T-shaped space matched with the appearance of the alarm line assembly (3).
7. a quick-insertion wear warning mechanism as claimed in claim 1, wherein: the top end of the alarm cable assembly (3) is lower than the upper plane of the brake lining (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500515.6U CN209762077U (en) | 2019-04-12 | 2019-04-12 | Wear alarm mechanism inserts soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500515.6U CN209762077U (en) | 2019-04-12 | 2019-04-12 | Wear alarm mechanism inserts soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209762077U true CN209762077U (en) | 2019-12-10 |
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ID=68759046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920500515.6U Expired - Fee Related CN209762077U (en) | 2019-04-12 | 2019-04-12 | Wear alarm mechanism inserts soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209762077U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869426A (en) * | 2019-04-12 | 2019-06-11 | 靖江市恒大汽车部件制造有限公司 | It is a kind of to insert abrasion alarm mechanism and its assembly method fastly |
| CN112145598A (en) * | 2020-09-23 | 2020-12-29 | 中国汽车工程研究院股份有限公司 | Test method for verifying wear alarm of wear-off brake lining by using inertia rack |
| CN115013460A (en) * | 2022-07-21 | 2022-09-06 | 临沂高新区鸿图电子有限公司 | Initial position adjustable straight line stroke alarm mechanism |
-
2019
- 2019-04-12 CN CN201920500515.6U patent/CN209762077U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869426A (en) * | 2019-04-12 | 2019-06-11 | 靖江市恒大汽车部件制造有限公司 | It is a kind of to insert abrasion alarm mechanism and its assembly method fastly |
| CN112145598A (en) * | 2020-09-23 | 2020-12-29 | 中国汽车工程研究院股份有限公司 | Test method for verifying wear alarm of wear-off brake lining by using inertia rack |
| CN112145598B (en) * | 2020-09-23 | 2021-07-20 | 中国汽车工程研究院股份有限公司 | Test method for verifying wear alarm of wear-off brake lining by using inertia rack |
| CN115013460A (en) * | 2022-07-21 | 2022-09-06 | 临沂高新区鸿图电子有限公司 | Initial position adjustable straight line stroke alarm mechanism |
| CN115013460B (en) * | 2022-07-21 | 2023-06-16 | 临沂高新区鸿图电子有限公司 | Linear travel alarm mechanism with adjustable initial position |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |