CN110905953A - Elastic clamping piece and brake wear alarm sensor fixed by same - Google Patents
Elastic clamping piece and brake wear alarm sensor fixed by same Download PDFInfo
- Publication number
- CN110905953A CN110905953A CN201911414543.7A CN201911414543A CN110905953A CN 110905953 A CN110905953 A CN 110905953A CN 201911414543 A CN201911414543 A CN 201911414543A CN 110905953 A CN110905953 A CN 110905953A
- Authority
- CN
- China
- Prior art keywords
- plate body
- elastic
- brake
- annular plate
- elastic plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001939 inductive effect Effects 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 210000000003 hoof Anatomy 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
- F16D66/023—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness directly sensing the position of braking members
- F16D66/024—Sensors mounted on braking members adapted to contact the brake disc or drum, e.g. wire loops severed on contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
Abstract
The invention discloses an elastic clamping sheet and a brake wear alarm sensor fixed by the same, belongs to the field of automobile sensors, and is used for brake alarm; the free end of the elastic plate body is bent outwards to form an arc-shaped part. In view of the technical scheme, the brake wear warning device can solve the problem that the brake wear warning sensor is not firmly installed due to low casting precision of the brake shoe.
Description
Technical Field
The invention belongs to the field of automobile sensors, and particularly relates to an elastic clamping piece and a brake wear alarm sensor fixed by the same.
Background
According to the provisions of item 7.9.5 in GB7258-2017 motor vehicle running safety technical condition, passenger cars, trucks and special work vehicles with the total mass more than 3500Kg which are provided with the automatic brake clearance adjusting device, when the service brake linings need to be replaced, an optical or acoustic alarm device is adopted to give an alarm to a driver on a cab seat. The abrasion degree of the thickness of the brake lining determines whether the brake pad is replaced, so that the abrasion degree of the worn brake pad can be used as a basis for replacement. Because the linings are mostly arranged in the brake assembly, the abrasion state of the brake assembly cannot be observed, when the brake linings are abraded to the limit position, the brake torque is reduced, the brake torque of the left wheel and the right wheel is unbalanced, the problems of increasing the braking distance of a vehicle, deviation in the braking process, scratching of a brake disc (a brake drum), failure in braking and the like are caused, and hidden dangers are brought to the driving safety.
Existing automotive brakes are classified into disc brakes and drum brakes. The drum brake is based on the principle that deceleration and braking of a vehicle are achieved through friction between a friction plate and a brake hub, the friction between the friction plate and the brake hub causes loss of the friction plate, a gap between the friction plate and the brake hub is enlarged, and a braking distance of the brake is increased. If the friction plate is worn to a certain extent and cannot be replaced in time, the hidden danger is caused to the safe driving of the vehicle. In order to sense the wear degree of a friction plate in a drum brake, a brake wear alarm sensor is mostly adopted in the conventional vehicle to sense the thickness of the friction plate, the friction plate is worn together with the brake wear alarm sensor after being worn to a certain degree, and after an original wire loop in the brake wear alarm sensor is worn and disconnected, an ECU (electronic control unit) of the vehicle receives the signal and lights an alarm lamp to remind a driver and passengers of paying attention to timely replace the brake plate.
However, in the prior art, the thickness of the brake shoe in the drum brake pad fluctuates within an error tolerance range during the casting process, and the fluctuation can cause the installation of the brake wear warning sensor fixed on the brake shoe to be unstable, and the brake wear warning sensor is easy to loosen.
Disclosure of Invention
The invention aims to provide an elastic clamping sheet and a brake wear alarm sensor fixed by the elastic clamping sheet, which can avoid the problem of infirm installation of the brake wear alarm sensor caused by low casting precision of a brake shoe.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the elastic clamping sheet comprises an annular plate body, wherein a plurality of clamping jaws are distributed on the side surface of the annular plate body around the central axis of the annular plate body, an elastic plate body which is integrated with the annular plate body or is arranged in a split mode is processed on the lower end surface of the annular plate body, the elastic plate body and the annular plate body are coaxially arranged, and the annular plate body and the elastic plate body are both arranged on an abrasion induction head and are respectively contacted with the upper end and the lower end of a brake horseshoe.
Furthermore, the elastic plate body in the invention is a strip-shaped plate body which extends downwards by taking the bottom end of the annular plate body as a starting point and is gradually far away from the central axis of the annular plate body in the extending process; the elastic plate body is distributed around the central axis of the annular plate body, and the free end of the elastic plate body is bent outwards to form an arc-shaped part.
Furthermore, the cross section of the elastic plate body is rectangular.
Furthermore, the elastic plate body is an arc elastic sheet with a through hole formed in the middle.
Furthermore, the two ends of the elastic plate body are bent downwards to form arc-shaped parts, and the arc-shaped parts are in contact with the bottom end of the brake shoe.
Furthermore, the elastic plate body is a spring, the spring is sleeved on the abrasion sensing head, the bottom end of the spring is contacted with the bottom clamping table, and the top end of the spring is contacted with the bottom end of the brake shoe.
Furthermore, the annular plate body is formed by bending a rectangular plate body into a round shape and then welding the rectangular plate body.
The utility model provides an install brake wear alarm sensor of above-mentioned elasticity joint piece, includes wearing and tearing inductive head, its characterized in that: the wearing and tearing inductive head includes the wearing and tearing portion that inside placed the wire kink, is equipped with the bottom ka tai that the external diameter is greater than wearing and tearing inductive head in wearing and tearing inductive head department of wearing and tearing below.
Further, a middle guide groove is machined in the bottom clamping table, and the middle guide groove is communicated with the bottom guide groove.
Compared with the prior art, the invention has the beneficial effects that:
the brake wear alarm sensor can overcome the problem that the brake wear alarm sensor is not firmly installed due to low casting precision of the brake shoe through the matching of the clamping jaw in the structure of the brake wear alarm sensor and the elastic plate body and the elastic deformation of the brake wear alarm sensor.
Drawings
Fig. 1 is a first structural schematic diagram of the elastic clamping sheet in the invention.
FIG. 2 is a first schematic structural diagram of a brake wear alarm according to the present invention.
Fig. 3 is a second usage state diagram of the present invention.
Fig. 4 is a structural schematic diagram of the elastic clamping sheet in the invention.
Fig. 5 is a second use state diagram of the present invention.
Fig. 6 is a third schematic structural view of the elastic clip piece of the present invention.
Fig. 7 is a third state diagram of the present invention in use.
In the figure: 1. an annular plate body; 2. a claw; 3. an elastic plate body; 4. an arc-shaped portion; 5. a wear portion; 6. a middle guide groove; 7. a bottom guide groove; 8. a wire; 9. wearing the inductive head; 10. a friction plate; 11. riveting; 12. braking a horseshoe; 13. and (7) clamping the table at the bottom.
Detailed Description
The technical solution of the present invention will be further described and illustrated with reference to the following examples. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all based on the visual orientation shown in the drawings corresponding to the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as facilitating better understanding of the technical aspects of the present invention by those skilled in the art.
In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
The utility model provides an elasticity joint piece, includes the annular plate body 1 that constitutes by rectangular plate body bending type, and processing has a plurality of jack catchs 2 to keeping away from annular plate body 1 the central axis direction open on the side of annular plate body 1, and jack catch 2 and the hookup location of annular plate body 1 are located the upper portion of jack catch 2. The lower extreme at annular plate body 1 is provided with a plurality of elastic plate body 3, and elastic plate body 3 begins the in-process of downwardly extending to keeping away from annular plate body 1 the central axis to open gradually from annular plate body 1 bottom. The free end of the elastic plate body 3 is bent counterclockwise to form an arc-shaped part 4.
Example 2
The utility model provides an install in embodiment 1 brake wear alarm sensor of elasticity joint piece, is provided with wearing and tearing portion 5 including wearing and tearing inductive head and wire 8 at the top of wearing and tearing inductive head, and wire 8 buckles in wearing and tearing portion 5, and 8 departments of wearing and tearing inductive head of wearing and tearing below wearing and tearing portion are processed and are supplied middle part guide way 6 of 4 grafting in-process of arc portion direction, and middle part guide way 6 link up with bottom guide way 7, and arc portion 4 is located bottom guide way 7.
Example 3
The utility model provides an elastic clamping piece, the side of annular plate body 1 distributes around its central axis has a plurality of jack catchs 2, and the lower terminal surface processing of annular plate body 1 has elastic plate body 3 that sets up with it an organic whole or components of a whole that can function independently, and elastic plate body 3 sets up with annular plate body 1 is coaxial, annular plate body 1, elastic plate body 3 all install on wearing and tearing inductive head 9, and contact with the upper and lower both ends of braking horseshoe 12 respectively. The elastic plate body 3 is an arc-shaped elastic sheet with a through hole processed in the middle; the two ends of the elastic plate body 3 are bent downwards to form arc-shaped parts 4, and the arc-shaped parts 4 are in contact with the bottom end of the brake shoe 12.
Example 4
An elastic clamping sheet is characterized in that an elastic plate body 3 is a spring, the spring is sleeved on a wear induction head 9, the bottom end of the spring is contacted with a bottom clamping table 13, and the top end of the spring is contacted with the bottom end of a brake shoe 12; the annular plate body 1 is formed by bending a rectangular plate body into a round shape and then welding the rectangular plate body.
On the basis of the above embodiments, the present invention continues to describe the technical features and functions of the technical features in the present invention in detail to help those skilled in the art fully understand the technical solutions of the present invention and reproduce them.
In the invention, the annular plate body 1 is formed by bending and welding a rectangular plate body, and the structural form can facilitate the installation of the annular plate body 1 on the brake wear alarm sensor. The fixing of the brake wear alarm sensor on the upper surface of the brake shoe 12 can be realized by stamping or welding a plurality of jaws 2 which are opened outwards on the annular plate body 1.
As shown in fig. 3, in the present invention, a plurality of rivet holes for fixing the friction plate 10 are formed in the brake shoe 12, and the friction plate 10 is mounted on the brake shoe 12 by the rivets 11. The bottom end of the annular plate body 1 is provided with a plurality of elastic plate bodies 3, and the cross sections of the elastic plate bodies 3 can be rectangular. The free end of the elastic plate body 3 is bent anticlockwise to form an arc-shaped part 4, and the arc-shaped part 4 can be in contact with the bottom guide groove 7 at the position, so that the elastic plate body 3 is unfolded towards the direction far away from the central axis of the annular plate body 1. Above-mentioned structure can make the elastic plate body 3 pass the in-process in braking hoof iron 12 rivet hole at the braking wear alarm sensor, with the lateral wall elastic contact in rivet hole, then fix whole braking wear alarm sensor in the rivet hole of braking hoof iron 12.
As shown in fig. 4 to 5, in the present invention, after the wear sensor head 9 passes through the rivet hole of the brake shoe 12 from the bottom, the clamping jaw 2 of the annular plate 1 contacts with the upper end surface of the brake shoe 12 and can be elastically deformed, and the elastic plate 3 formed by the arc-shaped elastic sheet sleeved on the wear sensor head 9 is located below the brake shoe 12. The lower surface of the elastic plate body 3 is in contact with the bottom clamping table 13, and the arc parts 4 at the two ends of the elastic plate body 3 are in contact with the bottom of the brake shoe 12 and can generate elastic deformation. After the clamping jaw 2 and the elastic plate body 3 are both in contact with the brake shoe 12 and elastically deform, the thickness change caused by machining and casting errors of the brake shoe 12 can be offset, and the connection stability between the abrasion sensing head 9 and the brake shoe 12 is guaranteed.
In the present invention, as shown in fig. 6 to 7, after the wear sensor head 9 passes through the rivet hole of the brake shoe 12 from the bottom, the clamping jaw 2 of the annular plate 1 contacts with the upper end surface of the brake shoe 12 and can generate elastic deformation, and both ends of the spring sleeved on the wear sensor head 9 respectively contact with the bottom clamping platform 13 and the brake shoe 12 and can generate elastic deformation. When the elastic plate 3 formed by the clamping jaw 2 and the spring is in contact with the brake shoe 12 and generates elastic deformation, the thickness change caused by machining and casting errors of the brake shoe 12 can be offset, and the connection stability between the abrasion sensing head 9 and the brake shoe 12 is ensured.
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 (9)
1. An elastic snap sheet, comprising an annular plate body (1), characterized in that: the side of the annular plate body (1) is distributed with a plurality of clamping jaws (2) around the central axis thereof, the lower end face of the annular plate body (1) is processed with an elastic plate body (3) which is integrated with the annular plate body or is arranged in a split mode, the elastic plate body (3) and the annular plate body (1) are coaxially arranged, and the annular plate body (1) and the elastic plate body (3) are both installed on an abrasion induction head (9) and are respectively contacted with the upper end and the lower end of a brake horseshoe (12).
2. The resilient clip of claim 1, wherein: the elastic plate body (3) is a strip-shaped plate body which extends downwards by taking the bottom end of the annular plate body (1) as a starting point and is gradually far away from the central axis of the annular plate body (1) in the extending process; the elastic plate body (3) is distributed around the central axis of the annular plate body (1), and the free end of the elastic plate body (3) is bent outwards to form an arc-shaped part (4).
3. The resilient clip of claim 2, wherein: the cross section of the elastic plate body (3) is rectangular.
4. The resilient clip of claim 1, wherein: the elastic plate body (3) is an arc-shaped elastic sheet with a through hole processed in the middle.
5. The resilient clip of claim 4, wherein: the two ends of the elastic plate body (3) are bent downwards to form arc-shaped parts (4), and the arc-shaped parts (4) are in contact with the bottom end of the brake shoe (12).
6. The resilient clip of claim 1, wherein: the elastic plate body (3) is a spring, the spring is sleeved on the abrasion sensing head (9), the bottom end of the spring is in contact with the bottom clamping table (13), and the top end of the spring is in contact with the bottom end of the brake shoe (12).
7. The resilient clip of claim 1, wherein: the annular plate body (1) is formed by bending a rectangular plate body into a round shape and then welding the rectangular plate body.
8. A brake wear warning sensor incorporating the resilient clip of claims 1 to 7, comprising a wear sensing head (9), wherein: wearing and tearing inductive head (9) are including inside wearing and tearing portion (5) of placing wire (8) kink, are equipped with bottom ka tai (13) that the external diameter is greater than wearing and tearing inductive head (9) in wearing and tearing inductive head (8) department of wearing and tearing portion (5) below.
9. The brake wear warning sensor of claim 8, wherein: and a middle guide groove (6) is processed on the bottom clamping table (13), and the middle guide groove (6) is communicated with the bottom guide groove (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019111830884 | 2019-11-27 | ||
| CN201911183088 | 2019-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110905953A true CN110905953A (en) | 2020-03-24 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911414543.7A Pending CN110905953A (en) | 2019-11-27 | 2019-12-31 | Elastic clamping piece and brake wear alarm sensor fixed by same |
| CN201922462760.5U Active CN211288543U (en) | 2019-11-27 | 2019-12-31 | Elastic clamping piece and brake wear alarm sensor fixed by same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922462760.5U Active CN211288543U (en) | 2019-11-27 | 2019-12-31 | Elastic clamping piece and brake wear alarm sensor fixed by same |
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| Country | Link |
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| CN (2) | CN110905953A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503193A (en) * | 2020-04-15 | 2020-08-07 | 临沂合力电子有限公司 | Variable voltage wear sensor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905953A (en) * | 2019-11-27 | 2020-03-24 | 临沂高新区鸿图电子有限公司 | Elastic clamping piece and brake wear alarm sensor fixed by same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3533931A1 (en) * | 1985-09-24 | 1987-03-26 | Teves Gmbh Alfred | Disc brake, particularly for motor vehicles |
| DE3820977A1 (en) * | 1988-06-22 | 1989-12-28 | Teves Gmbh Alfred | Warning indicator for lining wear on brake shoes |
| JPH0456935U (en) * | 1990-09-26 | 1992-05-15 | ||
| JPH10252791A (en) * | 1997-03-14 | 1998-09-22 | Nisshinbo Ind Inc | Abrasion alarming device for lining |
| JP2000220676A (en) * | 1999-02-01 | 2000-08-08 | Nisshinbo Ind Inc | Abrasion warning device for frictional material |
| KR100584698B1 (en) * | 2005-03-25 | 2006-05-30 | 조선남 | Break lining wear detection device |
| CN1982738A (en) * | 2005-12-13 | 2007-06-20 | 阿文美驰技术有限责任公司 | Brake lining wear sensor between lining block |
| CN103154558A (en) * | 2010-10-20 | 2013-06-12 | 威伯科车轮制动有限公司 | Brake lining wear indicator, disc brake having such indicator and brake shoes for such disc brake |
| CN108533647A (en) * | 2018-05-31 | 2018-09-14 | 临沂高新区鸿图电子有限公司 | The wear abrasion alarming device connected in a manner of flexible fastening and the brake with the device |
| CN211288543U (en) * | 2019-11-27 | 2020-08-18 | 临沂高新区鸿图电子有限公司 | Elastic clamping piece and brake wear alarm sensor fixed by same |
-
2019
- 2019-12-31 CN CN201911414543.7A patent/CN110905953A/en active Pending
- 2019-12-31 CN CN201922462760.5U patent/CN211288543U/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3533931A1 (en) * | 1985-09-24 | 1987-03-26 | Teves Gmbh Alfred | Disc brake, particularly for motor vehicles |
| DE3820977A1 (en) * | 1988-06-22 | 1989-12-28 | Teves Gmbh Alfred | Warning indicator for lining wear on brake shoes |
| JPH0456935U (en) * | 1990-09-26 | 1992-05-15 | ||
| JPH10252791A (en) * | 1997-03-14 | 1998-09-22 | Nisshinbo Ind Inc | Abrasion alarming device for lining |
| JP2000220676A (en) * | 1999-02-01 | 2000-08-08 | Nisshinbo Ind Inc | Abrasion warning device for frictional material |
| KR100584698B1 (en) * | 2005-03-25 | 2006-05-30 | 조선남 | Break lining wear detection device |
| CN1982738A (en) * | 2005-12-13 | 2007-06-20 | 阿文美驰技术有限责任公司 | Brake lining wear sensor between lining block |
| CN103154558A (en) * | 2010-10-20 | 2013-06-12 | 威伯科车轮制动有限公司 | Brake lining wear indicator, disc brake having such indicator and brake shoes for such disc brake |
| CN108533647A (en) * | 2018-05-31 | 2018-09-14 | 临沂高新区鸿图电子有限公司 | The wear abrasion alarming device connected in a manner of flexible fastening and the brake with the device |
| CN211288543U (en) * | 2019-11-27 | 2020-08-18 | 临沂高新区鸿图电子有限公司 | Elastic clamping piece and brake wear alarm sensor fixed by same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503193A (en) * | 2020-04-15 | 2020-08-07 | 临沂合力电子有限公司 | Variable voltage wear sensor |
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| Publication number | Publication date |
|---|---|
| CN211288543U (en) | 2020-08-18 |
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