CN114857188B - Drum brake block and backplate subassembly - Google Patents
Drum brake block and backplate subassembly Download PDFInfo
- Publication number
- CN114857188B CN114857188B CN202210590156.4A CN202210590156A CN114857188B CN 114857188 B CN114857188 B CN 114857188B CN 202210590156 A CN202210590156 A CN 202210590156A CN 114857188 B CN114857188 B CN 114857188B
- Authority
- CN
- China
- Prior art keywords
- plate
- brake
- gear disc
- mounting
- driving
- 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
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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D69/0416—Attachment of linings specially adapted for curved linings
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model discloses a drum brake block and a back plate assembly, wherein the drum brake block comprises a brake shoe, a fixing piece and a friction plate, wherein the brake shoe is provided with a mounting groove, and two side walls of the mounting groove are provided with through grooves; the mounting piece comprises a mounting plate and two clamping plates, wherein the mounting plate is arranged in the mounting groove in a sliding mode, a tooth part is arranged on the inner side face of the mounting plate, two slots are formed in the mounting plate, one sides of the two clamping plates are respectively and slidably clamped in the corresponding slots, and the other sides of the two clamping plates respectively penetrate through the through grooves and are connected with the brake shoe in a clamping mode. The beneficial effects of the utility model are as follows: the friction plate can move relative to the brake shoe, so that different parts of the friction plate can be contacted with the brake drum in advance, different positions of the friction plate can be uniformly rubbed, and the service life of the friction plate is prolonged.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to a drum brake block and a back plate assembly.
Background
The drum brake block comprises a brake shoe and a friction plate, wherein the brake shoe is an arc-shaped bent shoe, and the friction plate is extruded on the brake drum to generate friction during braking, so that the aim of decelerating and braking the vehicle is fulfilled.
The utility model of application number 201620057566.2 discloses a brake shoe, which comprises a circular arc-shaped web plate and a circular arc-shaped wing plate, wherein the inner side surface of the wing plate is vertically connected with the outer side surface of the web plate, the bottom surface of the web plate and the bottom surface of the wing plate are positioned on the same plane, the two ends of the opening of the wing plate are provided with lugs connected with a brake cylinder, the brake shoe further comprises a back plate assembly and a brake drum, the back plate assembly comprises a brake bottom plate, a brake cylinder, the brake shoe and a friction plate, the brake shoe is further provided with a pressing sheet, the pressing sheet can fix the brake shoe on the brake bottom plate, the inner side surface of the friction plate is bonded on the outer side surface of the wing plate through an adhesive and is symmetrically distributed, and the two lugs on the wing plate are respectively connected with the two ends of the brake cylinder.
In the brake pad, the friction plate is adhered to the brake shoe, and meanwhile, the friction plate can be gradually worn due to friction, friction at the contact part of the friction plate and the brake drum is serious, when the friction part is worn to a certain extent, the whole brake pad needs to be replaced, waste of the brake shoe is caused, friction at the contact part of the friction plate and the brake drum is light, waste of the friction plate is caused, and the service life of the whole brake pad is greatly shortened.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides a drum brake pad and a back plate assembly, which solve the technical problems that the friction pad in the prior art is stuck on a brake shoe, the friction pad is gradually worn due to friction action, friction at the contact part of the friction pad and a brake drum is serious in advance, the brake pad needs to be replaced when the friction at the contact part is worn to a certain extent, driving safety is ensured, and friction at the contact part of the friction pad and the brake drum is light later, so that the friction pad is wasted, and the service life of the brake pad is greatly shortened.
In order to achieve the technical purpose, the technical scheme of the utility model provides a drum brake pad, which comprises the following components:
the brake shoe is provided with a mounting groove, and two side walls of the mounting groove are provided with through grooves;
the fixing piece comprises a mounting plate and two clamping plates, the mounting plate is arranged in the mounting groove in a sliding mode, a tooth part is arranged on the inner side face of the mounting plate, two slots are formed in the mounting plate, one sides of the two clamping plates are respectively and slidably clamped in the corresponding slots, and the other sides of the two clamping plates respectively penetrate through the through grooves and are in clamping connection with the brake shoes;
the inner side surface of the friction plate is adhered to the outer side surface of the mounting plate, and the outer side surface of the friction plate is used for friction with the inner side surface of the brake drum.
Further, the slots are provided with a first end and a second end, the first ends of the slots are sealed, the second ends of the slots are opened, and the second ends of the slots are respectively communicated with the corresponding through slots.
Further, the clamping plate is close to the side of the through groove, a containing cavity is formed in the side of the clamping plate, the containing cavity is provided with a first end and a second end, the first end of the containing cavity is sealed, and the second end of the containing cavity is opened.
Further, a plurality of springs are arranged in the accommodating cavity, and one end of each spring is fixedly connected with the cavity wall of the accommodating cavity.
Further, a convex plate is arranged on the clamping plate, and the inner side surface of the convex plate is slidably connected in the accommodating cavity and fixedly connected with the other ends of the springs.
Furthermore, a sound absorbing cavity is formed in the mounting piece, sound absorbing cotton is placed in the sound absorbing cavity, and the sound absorbing cavity is located between the two slots.
Furthermore, a plurality of sound absorbing holes communicated with the sound absorbing cavity are formed in the outer cavity wall of the sound absorbing cavity.
Further, through holes communicated with the sound absorbing holes are formed in the friction plate.
On the other hand, the utility model also provides a backboard component, which comprises a bottom plate, a brake cylinder, two drum brake blocks and a driving mechanism, wherein the brake cylinder is fixedly arranged on the bottom plate, one ends of two brake shoes are rotatably arranged on the bottom plate, two output ends of the brake cylinder are respectively and fixedly connected with the other ends of the two brake shoes and are used for driving the two brake shoes to rotate, and the driving mechanism is used for being connected with the mounting blocks so as to drive the mounting blocks to slide in the mounting grooves.
Further, actuating mechanism includes driving shaft, initiative toothed disc, first driven shaft, second driven shaft, first driven toothed disc, second driven toothed disc and rotates the driving piece, driving shaft one end rotate install in on the bottom plate, the fixed cover of initiative toothed disc is located on the driving shaft, first driven shaft and second driven shaft one end symmetry respectively rotate install in on the bottom plate, first driven toothed disc and second driven toothed disc are fixed the cover respectively and are located on first driven shaft and the second driven shaft, first driven toothed disc and second driven toothed disc respectively with initiative toothed disc meshing, first driven toothed disc and second driven toothed disc be used for with the tooth connection on the mounting inboard, rotate driving piece fixed mounting in on the bottom plate, rotate the output of driving piece with driving shaft fixed connection for the drive the driving shaft rotates.
Compared with the prior art, the utility model has the beneficial effects that: through setting up the mounting plate slip in the mounting groove of seting up on the brake shoe to realize the joint with mounting plate and brake shoe through the cardboard, and make the mounting plate can slide along the mounting groove, paste the medial surface of friction plate on the lateral surface of mounting plate again, accomplish the equipment process of whole brake plate, paste the friction plate on the mounting plate, and then make the friction plate can remove for the brake shoe, make the different positions of friction plate all can realize contacting in advance with the brake drum, further make the different positions of friction plate can be by even friction loss, the life of friction plate has been prolonged, simultaneously because the mounting plate passes through the joint with the brake shoe and realizes dismantling the connection, when the friction plate wearing and tearing seriously need change, only need dismantle the mounting plate from the brake shoe, change mounting plate and friction plate can, unnecessary change brake shoe, can not cause the unnecessary waste of brake shoe.
Drawings
FIG. 1 is a schematic perspective view of a drum brake pad according to the present utility model;
FIG. 2 is a schematic perspective view of the drum brake pad of FIG. 1 from another perspective;
FIG. 3 is a cross-sectional view of FIG. 1 with friction plates omitted;
FIG. 4 is a cross-sectional view of the card of FIG. 3;
fig. 5 is an enlarged view at a in fig. 4;
FIG. 6 is a schematic perspective view of a back plate assembly according to the present utility model;
FIG. 7 is a schematic view of a back plate assembly according to the present utility model;
fig. 8 is a top view of a back plate assembly provided by the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a drum brake block, the structure of which is shown in figures 1-3, comprising a brake shoe 1, a fixing piece 2 and a friction plate 3, wherein the brake shoe 1 is provided with a mounting groove 11, and two side walls of the mounting groove 11 are provided with through grooves 111; the fixing piece 2 comprises a mounting plate 21 and two clamping plates 22, the mounting plate 21 is slidably arranged in the mounting groove 11, a tooth part is arranged on the inner side surface of the mounting plate 21, two slots 211 are formed in the mounting plate 21, one sides of the two clamping plates 22 are slidably clamped in the corresponding slots 211 respectively, and the other sides of the two clamping plates 22 penetrate through the through grooves 111 respectively and are clamped with the brake shoe 1; the inner side surface of the friction plate 3 is adhered to the outer side surface of the mounting plate 21, and the outer side surface of the friction plate 3 is used for friction with the inner side surface of the brake drum.
Through with the installation piece 21 slide set up in the mounting groove 11 of seting up on the brake shoe 1, and will through cardboard 22 will installation piece 21 and brake shoe 1 realize the joint, and make installation piece 21 can slide along mounting groove 11, will again the medial surface of friction piece 3 paste on the lateral surface of installation piece 21, accomplish the equipment process of whole brake block, will friction piece 3 paste on installation piece 21, and then make friction piece 3 can remove for brake shoe 1, make the different positions of friction piece 3 all can realize with the advance contact of brake drum, further make the different positions of friction piece 3 can be by even friction loss, prolonged the life of friction piece 3, simultaneously because installation piece 21 with brake shoe 1 realizes detachable connection through the joint, when friction piece 3 wearing and tearing seriously need change, only need with installation piece 21 is dismantled from brake 1 down 21 and install 21 and can not cause the brake shoe 1 to change the friction piece 1 can not be wasted.
As a preferred embodiment, referring to fig. 3, the slots 211 have a first end and a second end, the first end of the slots 211 is sealed, the second end of the slots 211 is opened, and the second ends of the slots 211 are respectively communicated with the corresponding through slots 111, so that one side of the clamping plate 22 is slidably clamped in the slots 211, and the other side can pass through the through slots 111.
As a preferred embodiment, referring to fig. 4, a receiving cavity 221 is formed on the side of the clamping plate 22 near the through slot 111, the receiving cavity 221 has a first end and a second end, the first end of the receiving cavity 221 is sealed, and the second end of the receiving cavity 221 is opened, so that one end of the protruding plate 223 can be slidably connected in the receiving cavity 221, and the other end can extend out of the receiving cavity 221, so as to implement the clamping connection between the clamping plate 22 and the brake shoe 1.
As a preferred embodiment, referring to fig. 4-5, a plurality of springs 222 are disposed in the accommodating cavity 221, one end of each spring 222 is fixedly connected with a cavity wall of the accommodating cavity 221, when the springs 222 are in a natural state, the protruding plate 223 extends out of the accommodating cavity 221, the clamping plate 22 is clamped with the brake shoe 1 through the protruding plate 223, when the friction plate 3 needs to be replaced, by pressing the protruding plate 223, the protruding plate 223 is pressed into the accommodating cavity 221, and the clamping plate 22 is pushed into the slot 211, so that the mounting plate 21 and the brake shoe 1 can be separated and replaced with a new mounting plate 21 and a new brake shoe 1.
As a preferred embodiment, referring to fig. 4-5, a protruding plate 223 is disposed on the clamping plate 22, the inner side surface of the protruding plate 223 is slidably connected in the accommodating cavity 221 and fixedly connected with the other ends of the plurality of springs 222, when the protruding plate 223 is pressed to press the protruding plate 223 into the accommodating cavity 221, the protruding plate 223 presses the springs 222, the springs 222 are in a compressed state, and after the hands are loosened, the springs 222 eject the protruding plate 223 from the accommodating cavity 221 again.
As a preferred embodiment, referring to fig. 3, a sound absorbing cavity 212 is formed in the mounting plate 21, sound absorbing cotton is disposed in the sound absorbing cavity 212, the sound absorbing cavity 212 is located between the two slots 211, and the sound absorbing cotton disposed in the sound absorbing cavity 212 is used for absorbing noise generated when the friction plate 3 rubs against the inner side surface of the brake drum.
As a preferred embodiment, referring to fig. 3, a plurality of sound-absorbing holes 213 are formed in the outer wall of the sound-absorbing cavity 212 and are communicated with the sound-absorbing cavity 212, and the plurality of sound-absorbing holes 213 are used for passing noise.
As a preferred embodiment, referring to fig. 1, the friction plate 3 is provided with through holes 31 communicating with the sound absorbing holes 213, and noise generated when the friction plate 3 rubs against the inner side surface of the brake drum is absorbed by the sound absorbing cotton disposed in the sound absorbing cavity 212 through the through holes 31 and the sound absorbing holes 213 and enters the sound absorbing cavity 212.
Referring to fig. 6-8, based on the drum brake pad, the present utility model further provides a back plate assembly, which includes a bottom plate 4, a brake cylinder 5, two drum brake pads and a driving mechanism 6, wherein the brake cylinder 5 is fixedly mounted on the bottom plate 4, one ends of two brake shoes 1 are rotatably mounted on the bottom plate 4, two output ends of the brake cylinder 5 are respectively fixedly connected with the other ends of two brake shoes 1, for driving the two brake shoes 1 to rotate, the driving mechanism 6 is connected with the mounting plate 21 to drive the mounting plate 21 to slide in the mounting groove 11, and the driving mechanism 6 is operated to drive the mounting plate 21 to slide in the mounting groove 11, thereby driving the friction plate 3 to move relative to the brake shoes 1, so as to change the pre-contact position between the friction plate 3 and the inner side surface of the brake drum.
As a preferred embodiment, please refer to fig. 7-8, the driving mechanism 6 includes a driving shaft 61, a driving gear disc 62, a first driven shaft 63, a second driven shaft 64, a first driven gear disc 65, a second driven gear disc 66, and a rotation driving member 67, one end of the driving shaft 61 is rotatably mounted on the bottom plate 4, the driving gear disc 62 is fixedly sleeved on the driving shaft 61, one ends of the first driven shaft 63 and the second driven shaft 64 are symmetrically rotatably mounted on the bottom plate 4, the first driven gear disc 65 and the second driven gear disc 66 are fixedly sleeved on the first driven shaft 63 and the second driven shaft 64, the first driven gear disc 65 and the second driven gear disc 66 are meshed with the driving gear disc 62 respectively, the first driven gear disc 65 and the second driven gear disc 66 are connected with a gear portion on an inner side of the mounting plate 21, the rotation driving member 67 is fixedly mounted on the bottom plate 4, an output end of the rotation driving member 67 is fixedly connected with the driving shaft 61, the first driven gear disc 61 and the second driven gear disc 66 are rotatably mounted on the bottom plate 61, the first driven gear disc 65 and the second driven gear disc 65 are rotatably mounted on the first driven gear disc 65 and the second driven gear disc 65, and the first driven gear disc 65 and the second driven gear disc 65 are rotatably by the first driven gear disc 65 and the second driven gear disc 66, and the first brake disc 65 and the second brake disc 65 are rotatably mounted on the first gear disc 1 and the second brake disc 62, and the first brake disc 65 is rotatably mounted on the first brake disc and the second brake disc 62, and the first brake disc is rotatably mounted on the first brake disc and the second brake disc and the brake disc 62. When the brake cylinder 5 drives the brake shoe 1 to brake, the first and second driven gear plates 65 and 66 are separated from the teeth on the inner side of the mounting plate 21.
For better understanding of the present utility model, the following details of the working principle of the technical solution of the present utility model are described with reference to fig. 1 to 8:
the mounting plate 21 is slidably arranged in the mounting groove 11 formed in the brake shoe 1, the mounting plate 21 and the brake shoe 1 are clamped through the clamping plate 22, the mounting plate 21 can slide along the mounting groove 11, the inner side surface of the friction plate 3 is adhered to the outer side surface of the mounting plate 21, the whole brake plate assembling process is completed, the brake shoe 1 is mounted on the bottom plate 4, the rotary driving piece 67 can be driven to rotate through controlling the rotary driving piece 67, the driving shaft 61 drives the driving gear plate 62 to rotate, the driving gear plate 62 drives the first driven gear plate 65 and the second driven gear plate 66, when the brake shoe 5 is not driven to brake by the brake wheel 1, the first driven gear plate 65 and the second driven gear plate 66 are meshed with the gear parts on the inner side surface of the mounting plate 21, the first driven gear plate 65 and the second driven gear plate 66 can be driven to rotate through controlling the rotary driving piece 67, and simultaneously the brake plate 1 can be further detached from the brake plate 3 due to the fact that the friction plate 3 is not in contact with the friction plate 1, and the friction plate 3 is not in contact with the brake plate 1, and the friction plate 3 can be further detached from the brake plate 1 due to the fact that the friction plate is mounted on the side surface of the friction plate is not in the friction plate 3, when the friction plate 3 is seriously worn and needs to be replaced, the mounting plate 21 is detached from the brake shoe 1, the mounting plate 21 and the friction plate 3 are replaced, the brake shoe 1 is not required to be replaced, unnecessary waste of the brake shoe 1 is avoided, noise generated when the friction plate 3 rubs the inner side surface of the brake drum enters the sound absorption cavity 212 through the through hole 31 and the sound absorption hole 213, and the noise generated when the friction plate 3 rubs the inner side surface of the brake drum is absorbed by the sound absorption cotton arranged in the sound absorption cavity 212, so that the noise generated when the friction plate 3 rubs the inner side surface of the brake drum is effectively reduced.
The drum brake pad and the back plate assembly provided by the utility model have the following beneficial effects:
(1) The friction plate 3 can move relative to the brake shoe 1, so that different parts of the friction plate 3 can be in contact with a brake drum in advance, further, different positions of the friction plate 3 can be uniformly abraded, and the service life of the friction plate 3 is prolonged;
(2) Because the mounting plate 21 is detachably connected with the brake shoe 1 through the clamping connection, when the friction plate 3 is seriously worn and needs to be replaced, the mounting plate 21 is only required to be detached from the brake shoe 1, and the mounting plate 21 and the friction plate 3 are replaced, so that the brake shoe 1 does not need to be replaced, and unnecessary waste of the brake shoe 1 is avoided;
(3) Noise generated when the friction plate 3 rubs the inner side surface of the brake drum enters the sound absorption cavity 212 through the through hole 31 and the sound absorption hole 213 and is absorbed by the sound absorption cotton arranged in the sound absorption cavity 212, so that the noise generated when the friction plate 3 rubs the inner side surface of the brake drum is effectively reduced.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (6)
1. A drum brake pad comprising:
the brake shoe is provided with a mounting groove, and two side walls of the mounting groove are provided with through grooves;
the fixing piece comprises a mounting piece and two clamping plates, wherein the mounting piece is arranged in the mounting groove in a sliding manner, a tooth part is arranged on the inner side surface of the mounting piece, two slots are formed in the mounting piece, one sides of the two clamping plates are respectively and slidably clamped in the corresponding slots, the other sides of the two clamping plates respectively penetrate through the through grooves and are in clamping connection with the brake shoe, a containing cavity is formed in the side, close to the through grooves, of the clamping plates, the containing cavity is provided with a first end and a second end, the first end of the containing cavity is sealed, the second end of the containing cavity is opened, a plurality of springs are arranged in the containing cavity, one ends of the springs are fixedly connected with the cavity wall of the containing cavity, a convex plate is arranged on the clamping plate, and the inner side surface of the convex plate is slidably connected in the containing cavity and is fixedly connected with the other ends of the springs;
and the inner side surface of the friction plate is adhered to the outer side surface of the mounting plate.
2. The drum brake pad according to claim 1, wherein the slots have a first end and a second end, the first ends of the slots are sealed, the second ends of the slots are open, and the second ends of each slot are in communication with the corresponding through slot.
3. A drum brake pad according to claim 1, wherein a sound absorbing cavity is formed in the mounting plate, sound absorbing cotton is placed in the sound absorbing cavity, and the sound absorbing cavity is located between the two slots.
4. A drum brake according to claim 3, wherein the outer side wall of the sound absorbing chamber is provided with a plurality of sound absorbing holes communicating with the sound absorbing chamber.
5. The drum brake pad according to claim 4, wherein the friction plate is provided with through holes communicating with the sound absorbing holes.
6. The utility model provides a backplate subassembly, its characterized in that includes bottom plate, brake sub-pump, two arbitrary one of claim 1-5 drum brake block and actuating mechanism, brake sub-pump fixed mounting in on the bottom plate, two brake shoe one end rotate install in on the bottom plate, two output of brake sub-pump respectively with two brake shoe other end fixed connection is used for driving two brake shoe rotates, actuating mechanism be used for with the mounting plate is connected, in order to drive the mounting plate is in the sliding of mounting groove, actuating mechanism includes driving shaft, driving gear disc, first driven shaft, second driven shaft, first driven gear disc, second driven gear disc and rotation driving piece, driving shaft one end rotate install in on the bottom plate, driving gear disc fixed sleeve is located on the driving shaft, first driven shaft and second driven shaft one end respectively symmetrical rotation install in on the bottom plate, first driven gear disc and second driven gear disc are fixed sleeve respectively locate on first driven shaft and second driven shaft, first driven gear disc and second driven gear disc are used for driving gear disc and second driven gear disc are connected in order to rotate the fixed connection in driving gear disc and the driving shaft rotation driving part is used for the driving gear disc is rotated to the driving gear disc is installed to the driving gear disc is rotated to the driving gear disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590156.4A CN114857188B (en) | 2022-05-27 | 2022-05-27 | Drum brake block and backplate subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590156.4A CN114857188B (en) | 2022-05-27 | 2022-05-27 | Drum brake block and backplate subassembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114857188A CN114857188A (en) | 2022-08-05 |
| CN114857188B true CN114857188B (en) | 2023-09-19 |
Family
ID=82640773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210590156.4A Active CN114857188B (en) | 2022-05-27 | 2022-05-27 | Drum brake block and backplate subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114857188B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450186B (en) * | 2023-12-22 | 2024-03-12 | 靖江市恒友汽车部件制造有限公司 | Sleeve type automobile brake |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014031813A (en) * | 2012-08-01 | 2014-02-20 | Akebono Brake Ind Co Ltd | Parking brake mechanism and electric parking brake |
| CN112013057A (en) * | 2019-05-28 | 2020-12-01 | 高邮市宏生制动器厂 | Drum brake device with heat conduction function |
| CN213899791U (en) * | 2020-10-31 | 2021-08-06 | 浙江夏厦精密制造股份有限公司 | Improved brake gear for electric bus |
-
2022
- 2022-05-27 CN CN202210590156.4A patent/CN114857188B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014031813A (en) * | 2012-08-01 | 2014-02-20 | Akebono Brake Ind Co Ltd | Parking brake mechanism and electric parking brake |
| CN112013057A (en) * | 2019-05-28 | 2020-12-01 | 高邮市宏生制动器厂 | Drum brake device with heat conduction function |
| CN213899791U (en) * | 2020-10-31 | 2021-08-06 | 浙江夏厦精密制造股份有限公司 | Improved brake gear for electric bus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114857188A (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114857188B (en) | Drum brake block and backplate subassembly | |
| CA2141829A1 (en) | Orientation-Free Brake Mechanism | |
| KR20030093690A (en) | Electric disk break system using cam | |
| CA2487580A1 (en) | Drive unit, without engine frame, for a lift | |
| KR20100052071A (en) | Disc brake for vehicle | |
| CN113119231B (en) | Brake mechanism of chain saw and chain saw | |
| KR102265283B1 (en) | Brake disc unit for vehicles | |
| CN112682434A (en) | Clutch case assembly convenient to adjust | |
| KR200186765Y1 (en) | A noise damping apparatus of disk brake for passenger car | |
| JPH0320079Y2 (en) | ||
| CN108730374B (en) | Bilateral brake mechanism of robot based on wheeled platform | |
| CN220850508U (en) | Low-noise brake pad | |
| CN219692084U (en) | Pneumatic disc brake | |
| CN214524647U (en) | Film sticking jig | |
| CN217107941U (en) | Hydraulic disc brake with high braking efficiency | |
| CN215110198U (en) | Improved drum brake structure | |
| CN212868244U (en) | Electric automobile speed reducer not prone to abrasion | |
| CN216812599U (en) | Thin brake | |
| KR20080054993A (en) | Anti-locking device for wedge type brake | |
| KR19990080952A (en) | Disc brake | |
| CN220732532U (en) | Power connection mechanism of motor and speed reducer | |
| CN215634539U (en) | Explosion-proof type automobile clutch pressure plate | |
| CN211449456U (en) | Can reduce dish of braking noise subassembly of stopping | |
| CN214590996U (en) | Motor convenient to braking deceleration | |
| CN214945875U (en) | Combined clutch of tunnel excavation shield machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |