CN211288541U - Detachable brake shoe abrasion indicating device - Google Patents
Detachable brake shoe abrasion indicating device Download PDFInfo
- Publication number
- CN211288541U CN211288541U CN201921974997.5U CN201921974997U CN211288541U CN 211288541 U CN211288541 U CN 211288541U CN 201921974997 U CN201921974997 U CN 201921974997U CN 211288541 U CN211288541 U CN 211288541U
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- electrode bar
- wearing
- circuit connecting
- connecting part
- 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.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model belongs to the technical field of vehicle brake braking, specifically provide a detachable stopper brake shoe wear indicating device, including wearing and tearing part and the circuit adapting unit who is connected with vehicle instrument board electricity, be equipped with the wire in the wearing and tearing part, still detain including installing the screw thread on the brake shoe, circuit adapting unit rotatably pegs graft in the screw thread is detained, wearing and tearing part pass the brake shoe and with screw hole threaded connection, wire and the circuit adapting unit in the wearing and tearing part are connected and are formed the electric circuit. When the wearing part is worn to the limit position, the inner lead is broken, so that a loop formed by the lead and a vehicle circuit is broken for alarming, and only the wearing part needs to be replaced when the shoe plate is replaced. The device is more convenient to assemble and disassemble, the upper part and the lower part are locked through the threads, the influence of uneven thickness of the cast brake shoe can be eliminated, and field assembly is facilitated. And secondly, the connection between the abrasion part and the fixed part is more reasonable, the manufacturability is stronger, and the operability is stronger.
Description
Technical Field
The utility model belongs to the technical field of vehicle brake braking, concretely relates to detachable stopper brake shoe wear indicating device.
Background
Drum brakes are widely used in various types of vehicles as the mainstream brake equipment of modern vehicles. Because the brake shoe of the drum brake is sealed in the rim and the brake drum of the vehicle, the thickness of the brake shoe can only be visually observed by the observation hole, and the abrasion problem can not be accurately measured and timely found by means of tools. The brake shoe is not replaced in time after being worn, so that the problems of great reduction of brake torque, unbalance of brake torque of left and right wheels, long brake distance, brake deviation and the like are caused, and great hidden danger is brought to driving safety.
Prior publication 201820882340.5 discloses a drum brake shoe wear indicator which has the disadvantage of poor fitting flexibility, the upper and lower brake shoe parts being fitted together by interference fit on the insert part, and the dimensions being very fixed. If the thickness of the brake shoe is reduced, the brake shoe cannot be installed at all. On the other hand, the braking piece needs to be produced by using a high-temperature resistant material, the higher the temperature resistance is, the larger the brittleness is, the larger the interference fit difficulty is, the sealing ring on the plug-in part is also difficult to assemble, and the water leakage risk exists.
Disclosure of Invention
The utility model aims at overcoming among the prior art brake shoe installation adaptability poor, and change the shoes wearing and tearing alarm wasting of resources's problem.
Therefore, the utility model provides a detachable stopper brake shoe wear indicating device, including wearing and tearing part and the circuit connecting part who is connected with vehicle instrument board electricity, be equipped with the wire in the wearing and tearing part, still including installing the screw thread knot on the brake shoe, circuit connecting part rotatably peg graft in the screw thread is detained, wearing and tearing part one end pass the brake shoe and with screw hole threaded connection, wire in the wearing and tearing part with circuit connecting part connects the formation electric loop.
Preferably, the front end of the circuit connecting part is provided with a bulge, the tail end of the thread buckle is provided with a step, when the thread buckle is in threaded connection with the wear part, one end of the wear part abuts against the front end of the circuit connecting part, and the bulge abuts against the step.
Preferably, the wearing part end is equipped with electrode bar group, electrode bar group includes first electrode bar and second electrode bar, the one end of first electrode bar with pass through between the one end of second electrode bar the wire is connected, the other end of first electrode bar with the other end of second electrode bar with circuit connection part connects and forms the electric circuit.
Preferably, the circuit connecting part is connected with the thread buckle in a matching way through a bearing.
Preferably, the circuit connecting part comprises a positive electrode bar and a negative electrode bar, and the first electrode bar and the second electrode bar are respectively inserted into the positive electrode bar and the negative electrode bar.
Preferably, the wire is a high temperature resistant wire.
Preferably, an elastic piece is provided between the circuit connection member and the wear member.
Preferably, a pin hole is formed in the wear part, and a plurality of grooves corresponding to the pin hole are formed in the end portion of the thread buckle.
The utility model has the advantages that: the utility model provides a detachable stopper brake shoe piece wear indicating device, including wearing and tearing part and the circuit connecting part of being connected with vehicle instrument board electricity, be equipped with the wire in the wearing and tearing part, still detain including the screw thread of installing on the brake shoe, circuit connecting part rotatably pegs graft in the screw thread is detained, wearing and tearing part pass the brake shoe piece and with screw hole threaded connection, wire and the circuit connecting part in the wearing and tearing part are connected the formation electric circuit. When the wearing part is worn to the limit position, the inner lead is broken, so that a loop formed by the lead and a vehicle circuit is broken for alarming, and only the wearing part needs to be replaced when the shoe plate is replaced. The device is more convenient to assemble and disassemble, the upper part and the lower part are locked through the threads, the influence of uneven thickness of the cast brake shoe can be eliminated, and field assembly is facilitated; and secondly, the connection between the abrasion part and the fixed part is more reasonable, the manufacturability is stronger, and the operability is stronger.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of a brake shoe wear indicating device of the detachable brake of the present invention;
fig. 2 is a schematic view of the installation structure of the brake shoe wear indicator of the detachable brake of the present invention.
Description of reference numerals: the brake comprises a wear part 1, a thread buckle 2, a circuit connecting part 3, an elastic sheet 4, an electrode rod group 5, a brake shoe 6 and a brake shoe 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The embodiment of the utility model provides a detachable stopper brake shoe wear indicating device, including wearing and tearing part 1 and the circuit adapting unit 3 of being connected with vehicle instrument board electricity, be equipped with the wire in the wearing and tearing part 1, still include thread knot 2 of fixed mounting on brake shoe 7, circuit adapting unit 3 rotatably peg graft in the thread is detained in 2, wearing and tearing part 1 pass brake shoe 7 pieces 6 and with screw hole threaded connection, wire in the wearing and tearing part 1 with circuit adapting unit 3 connects the formation electric circuit.
As shown in fig. 1 and 2, the wearing part 1 passes through a hole on a brake shoe 7 plate 6 and reaches the thread buckle 2, the thread buckle 2 is fixedly arranged on the brake shoe 7, an internal thread is arranged in the thread buckle 2, an external thread is arranged at the tail end of the wearing part 1, the thread buckle 2 and the external thread are matched, and the wearing part 1 is screwed in to be tightly connected. The thread button 2 and the wearing part 1 are independent bodies and are not connected with other parts, the thread button 2 and the wearing part 1 are mutually tensioned and fixed on the brake part simply through the thread matching of the thread button 2 and the wearing part 1, or the thread button 2 can be fixedly arranged on the brake shoe 7, and the wearing part 1 is an independent body. The wearing part 1 is internally inserted with a circuit connecting part 3, the circuit connecting part 3 is similar to a plug, when the wearing part 1 is screwed into the bottom in the thread button 2, a lead is embedded in the wearing part 1 similar to a bullet head, and the lead positioned in the wearing part 1 is contacted with the circuit connecting part 3 to form an electric loop. When the brake shoe 7 plate 6 is worn to the limit position, the brake drum can be worn to the head position of the worn part 1 in the brake shoe 7 plate 6, so that the internal lead is worn off, the circuit breaking alarm is realized, and the instrument panel displays the information to inform a driver to replace the brake shoe 7 plate 6 as soon as possible. When the brake shoe 7 sheet 6 is replaced, only the wearing part 1 needs to be replaced, the wearing part 1 can be taken out by rotating, and the brake shoe 7, the circuit connecting part 3 positioned in the brake shoe 7 and the thread buckle 2 do not need to be replaced, so that the number of replacement parts after sale is reduced, and the resource loss is reduced. The influence caused by the thickness variation of the brake shoe 7 can be eliminated through threaded connection, and the field assembly is facilitated.
Preferably, the front end of the circuit connecting part 3 is provided with a bulge, the tail end of the threaded buckle 2 is provided with a step, when the threaded buckle 2 is in threaded connection with the wear part 1, one end of the wear part 1 abuts against the front end of the circuit connecting part 3, and the bulge abuts against the step. It can be seen that, during installation, the wear member 1 is screwed in, the end of the wear member 1 holds the circuit connecting member 3 against the step, and the lead wire is also in contact with the circuit connecting member 3 to form an electrical circuit.
Preferably, the end of the wear part 1 is provided with an electrode bar group 5, the electrode bar group 5 comprises a first electrode bar and a second electrode bar, one end of the first electrode bar is connected with one end of the second electrode bar through a wire, and the other end of the first electrode bar is connected with the other end of the second electrode bar through the circuit connecting part 3 to form an electric circuit. As shown in fig. 1, when the circuit connecting member 3 is first put into the turnbuckle 2, the electrode bar group 5 is inserted into the circuit connecting member 3 to form an electric circuit, and the circuit connecting member 3 is rotated together when the wearing member 1 is screwed in. In the specific installation process, the electrode bar group 5 can be inserted into the circuit connecting part 3, then the head of the wearing part 1 is pressed against the brake shoe, and then the turnbuckle 2 is rotated. And finally, forming a stable connection structure until the circuit connecting part 3 abuts against the bottom of the turnbuckle.
Preferably, the circuit connecting part 3 is connected with the thread buckle 2 in a matching manner through a bearing. It can be seen that when the wear member 1 is screwed in, the electrode bar group 5 of the wear member 1 is inserted into the circuit connection member 3 to form an electric circuit, and the wear member 1 is screwed in while rotating with the circuit connection member 3, so that the bearing can reduce friction between the circuit connection member 3 and the turnbuckle 2.
Preferably, the circuit connecting part 3 includes a positive electrode bar and a negative electrode bar, and the first electrode bar and the second electrode bar are respectively inserted into the positive electrode bar and the negative electrode bar. The first electrode bar is inserted into the positive electrode bar, and the first electrode bar, the positive electrode bar, the negative electrode bar and the second electrode bar are contacted with each other to form a circuit loop.
Preferably, the lead is a high-temperature-resistant lead. The hardness of the material of the wearing part 1 is lower than that of a brake drum on a vehicle, when the wearing part 1 rubs with the brake drum, friction noise is not generated, the special environment of the working area of the wearing part 1 is limited, and the wearing part can bear the high temperature of more than 300 ℃, so that the wire is required to be guaranteed to be high-temperature resistant, and false alarm caused by self fusing before wearing off is prevented.
Preferably, an elastic piece 4 is arranged between the circuit connecting part 3 and the wearing part 1. Therefore, as shown in fig. 1, when the wear part 1 is screwed into the screw, the elastic sheet 4 and the lock washer form extrusion between the end of the wear part 1 and the screw to reinforce the connection, and the elastic sheet 4 plays a role in locking, i.e. preventing the thread from loosening caused by micro-shaking.
Preferably, a waterproof O-shaped ring is arranged between the screw thread and the wear part 1. The waterproof O-shaped ring plays a role in sealing and prevents water from entering. Specifically, a step is arranged at the root of the thread of the wear part 1, an O-shaped ring is sleeved at the front end of the step, and when the wear part is screwed into the thread buckle 2, the O-shaped ring is extruded on the spiral buckle by the step to form sealing.
Preferably, the thread button 2 is connected with the brake shoe 7 in a welding mode. The thread button 2 is fixedly installed on the brake shoe 7 by welding, or can be adhered by bolts or glue.
Preferably, the wear part 1 is provided with a pin hole, and the end of the thread buckle 2 is provided with a plurality of grooves corresponding to the pin hole. After the screw-in, prevent that the screw thread is not hard up, can penetrate the round pin axle in the pinhole, the round pin axle end card is in the recess, can not rotate between wearing and tearing part 1 and the thread button 2 like this, prevents that the screw thread is not hard up.
The utility model has the advantages that: the utility model provides a detachable stopper brake shoe piece wear indicating device, including wearing and tearing part and the circuit connecting part of being connected with vehicle instrument board electricity, be equipped with the wire in the wearing and tearing part, still detain including the screw thread of installing on the brake shoe, circuit connecting part rotatably pegs graft in the screw thread is detained, wearing and tearing part pass the brake shoe piece and with screw hole threaded connection, wire and the circuit connecting part in the wearing and tearing part are connected the formation electric circuit. When the wearing part is worn to the limit position, the inner lead is broken, so that a loop formed by the lead and a vehicle circuit is broken for alarming, and only the wearing part needs to be replaced when the shoe plate is replaced. The device is more convenient to assemble and disassemble, the upper part and the lower part are locked through the threads, the influence of uneven thickness of the cast brake shoe can be eliminated, and field assembly is facilitated; and secondly, the connection between the abrasion part and the fixed part is more reasonable, the manufacturability is stronger, and the operability is stronger.
The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a detachable stopper brake shoe wear indicating device, includes wearing parts and the circuit connecting part who is connected with vehicle instrument board electricity, be equipped with the wire in the wearing parts, its characterized in that: the brake shoe is characterized by further comprising a threaded buckle arranged on the brake shoe, the circuit connecting part is rotatably inserted into the threaded buckle, one end of the abrasion part penetrates through the brake shoe and is in threaded connection with the threaded buckle, and a lead in the abrasion part is connected with the circuit connecting part to form an electric circuit.
2. The removable brake shoe wear indication device of claim 1, wherein: the front end of the circuit connecting part is provided with a bulge, the tail end of the thread buckle is provided with a step, when the thread buckle is in threaded connection with the wearing part, one end of the wearing part is abutted against the front end of the circuit connecting part, and the bulge is abutted against the step.
3. The removable brake shoe wear indication device of claim 1, wherein: the wearing parts end is equipped with electrode bar group, electrode bar group includes first electrode bar and second electrode bar, the one end of first electrode bar with pass through between the one end of second electrode bar the wire is connected, the other end of first electrode bar with the other end of second electrode bar with circuit connecting part connects and forms the electric circuit.
4. The removable brake shoe wear indication device of claim 3, wherein: the circuit connecting part is connected with the thread buckle in a matching mode through a bearing.
5. The removable brake shoe wear indication device of claim 3, wherein: the circuit connecting part comprises a positive electrode bar and a negative electrode bar, and the first electrode bar and the second electrode bar are respectively spliced with the positive electrode bar and the negative electrode bar.
6. The removable brake shoe wear indication device of claim 1, wherein: the wire is a high temperature resistant wire.
7. The removable brake shoe wear indication device of claim 1, wherein: an elastic sheet is arranged between the circuit connecting part and the wearing part.
8. The removable brake shoe wear indication device of claim 1, wherein: the wear part is provided with a pin hole, and the end part of the thread buckle is provided with a plurality of grooves corresponding to the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974997.5U CN211288541U (en) | 2019-11-15 | 2019-11-15 | Detachable brake shoe abrasion indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974997.5U CN211288541U (en) | 2019-11-15 | 2019-11-15 | Detachable brake shoe abrasion indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288541U true CN211288541U (en) | 2020-08-18 |
Family
ID=72029907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921974997.5U Active CN211288541U (en) | 2019-11-15 | 2019-11-15 | Detachable brake shoe abrasion indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288541U (en) |
-
2019
- 2019-11-15 CN CN201921974997.5U patent/CN211288541U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109844479A (en) | Threaded fastener load monitoring system | |
| KR102124829B1 (en) | Apparatus for monitoring wear of tire | |
| CA2927501C (en) | Positive locking confirmation mechanism for battery contact of electric vehicle | |
| CN211288541U (en) | Detachable brake shoe abrasion indicating device | |
| JP2580485Y2 (en) | Probe for detecting wear of brake lining material | |
| US20050052073A1 (en) | Zinc stud insert | |
| CN209977110U (en) | Brake clearance automatic adjusting arm capable of alarming | |
| US3440604A (en) | Wear indicator for brakes | |
| CN109611478A (en) | A kind of adjustable brake pad wear alarming line tread assembly | |
| CN204419947U (en) | A kind of Drop-proof alarm brake pad | |
| CN110578763A (en) | wear indicator for drum brake shoes | |
| CN215673312U (en) | Wear alarm sensor induction head applied to disc brake | |
| CN210510056U (en) | Wear indicator for monitoring wear limit status of friction discs and brake drums | |
| CN209977111U (en) | Alarm device of brake clearance automatic adjustment arm | |
| CN212744809U (en) | Mushroom-shaped fixed disconnected electronic alarm drum brake | |
| CN212672287U (en) | Brake disc with anti-falling function | |
| CN211082640U (en) | Sensor for alarming abrasion of drum type automobile brake pad | |
| CN213039712U (en) | Mushroom-shaped fixed contact type electronic alarm drum brake | |
| CN213039714U (en) | Mushroom-shaped fixed type electronic alarm assembly for contact drum brake | |
| CN103373667B (en) | Object attachment means | |
| CN211175142U (en) | Bolt-fixed drum brake capable of electronic alarm | |
| CN218118268U (en) | Brake block set screw with long-life seal structure | |
| CN211175141U (en) | Retaining ring fixed drum brake capable of electronic alarm | |
| CN211175143U (en) | Electronic alarm assembly for bolt-fixed drum brake | |
| CN208951179U (en) | A kind of brake with warning function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |