CN112360901A - Drum brake gasket for automobile based on polycrystalline mullite fiber - Google Patents
Drum brake gasket for automobile based on polycrystalline mullite fiber Download PDFInfo
- Publication number
- CN112360901A CN112360901A CN202011338912.1A CN202011338912A CN112360901A CN 112360901 A CN112360901 A CN 112360901A CN 202011338912 A CN202011338912 A CN 202011338912A CN 112360901 A CN112360901 A CN 112360901A
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- Prior art keywords
- lining
- fixedly connected
- return
- drum brake
- main
- 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.)
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- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 title claims abstract description 19
- 229910052863 mullite Inorganic materials 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
- F16D69/028—Compositions based on metals or inorganic oxides containing fibres
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- 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
- F16D2200/00—Materials; Production methods therefor
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
- F16D2200/0065—Inorganic, e.g. non-asbestos mineral fibres
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an automobile drum brake lining based on polycrystalline mullite fiber, and relates to the technical field of drum brake accessories. The invention uniformly distributes connecting columns on the outer circumferential surface of the brake shoe, and the bottom of each connecting column is rotatably connected with a fixing block. The driven ring is forced to rotate along the connecting column by rotating the connecting column, and the clamping block at the tail end of the pressing rod is clamped into the auxiliary column at the middle position of the rectangular groove formed in the main lining, so that the movable connection between the brake shoe and the main lining is finally realized, when the main lining needs to be replaced, the brake shoe does not need to be replaced, and the maintenance cost of the automobile brake is greatly reduced.
Description
Technical Field
The invention relates to the technical field of drum brake accessories, in particular to an automotive drum brake lining based on polycrystalline mullite fiber.
Background
The automobile brake refers to a component generating force (braking force) resisting the movement or movement tendency of a vehicle, and comprises a retarding device in an auxiliary braking system, and the brakes used by the automobiles in the modern society are almost of a friction type and can be divided into a drum type and a disc type. The rotary element in the drum brake friction pair is a brake drum, and the working surface of the rotary element is a cylindrical surface; the rotating element of the disc brake is then a rotating brake disc, with the end face being the working surface.
The drum brakes are classified into two-way self-energizing shoe brakes, double leading shoe brakes, and double trailing shoe brakes according to their different structures. The braking efficiency is reduced in sequence, and the lowest braking efficiency is a disc brake; but the stability of the braking efficiency is sequentially improved, and the disc brake is the highest. Also for this reason, disc brakes are commonly used. However, low end vehicles typically use a front disc and rear drum type because the brake booster system must be added to increase the braking effectiveness, which makes the vehicle more expensive. The drum brake obtains braking force by pressing a brake drum with brake shoes, and can be divided into an inner expanding type and an outer bundling type. The internal expanding drum brake is widely used in modern automobiles by taking an inner cylindrical surface of a brake drum as a working surface, and a lining is often fixedly connected to an outer cylindrical surface of a brake shoe in order to prolong the service life of the brake shoe.
The mode of fixedly connecting the lining on the brake shoe is mainly rivet connection in the prior art, when the surface of the lining and the brake drum are severely rubbed to generate huge heat due to traffic accidents of an automobile, the lining can be seriously deformed, and the brake drum needs to be replaced at the same time when the lining needs to be replaced again, even if the brake drum is in a brand new state, the maintenance cost of the automobile brake is greatly improved.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the lining is fixedly connected to a brake shoe mainly through rivet connection, when the surface of the lining and the brake drum are severely rubbed to generate huge heat due to traffic accidents of an automobile, the lining can be seriously deformed, the brake drum needs to be replaced at the same time when the lining needs to be replaced again, and the maintenance cost of the automobile brake is greatly improved even if the brake drum is in a brand new state.
In order to achieve the purpose, the invention adopts the following technical scheme:
the drum brake lining for the automobile based on the polycrystalline mullite fiber comprises a brake shoe, wherein the brake shoe is uniformly and rotatably connected with a connecting column along an outer circle, the connecting column is in threaded connection with a driven ring along the column direction, connecting lugs are symmetrically and fixedly connected to two sides of the driven ring, a rotating pin is fixedly connected to the middle position of each connecting lug, a pressing rod is rotatably connected to the middle position of each rotating pin, one end, far away from each connecting lug, of each pressing rod is rotatably connected with a clamping block, the bottom of the connecting column is rotatably connected with a fixed block, one side of each fixed block is fixedly connected with a fixed wedge block, the bottom of each fixed block is slidably connected with a main lining, one end of each main lining is slidably connected with a horizontal rod, one end, close to the inner wall of each main lining, of each horizontal rod is fixedly connected with a return wedge block, and one side of the main lining, which is close to the reversing gear, is connected with a right toothed bar in a sliding manner, and the tail end of the right toothed bar is fixedly connected with a return folding bar.
Optionally, the clamping block is fixedly connected with a compression spring by a side face of the compression rod, and the other end of the compression spring is fixedly connected to the fixed block.
Optionally, the cross-sectional shape of the main lining is a semicircular ring shape, and the main lining is provided with a U-shaped groove along an inner annular wall.
Optionally, rectangular grooves are symmetrically formed in the main gasket along two ends of the U-shaped groove, an auxiliary column is fixedly connected to the middle position of the rectangular groove, the cross section of the bottom of the auxiliary column is semicircular, a semicircular groove is formed in the middle position of the clamping block, and the diameter of the semicircular groove is larger than that of the auxiliary column.
Optionally, the cross-sectional shapes of the return wedge and the fixed wedge are equilateral triangles, and the size of the return wedge is smaller than that of the fixed wedge.
Optionally, the cross-sectional shape of one end of the return rod close to the return wedge is set to be an oblique notch shape, the oblique angle is the same as the bottom angle of the return wedge, a left toothed bar is fixedly connected to the side surface of the return rod close to one side surface of the reversing gear, and the length of the left toothed bar accounts for two thirds of the total length of the return rod.
Optionally, a connecting rod is fixedly connected to the position of the main lining close to the right rack bar, the tail end of the connecting rod is rotatably connected with a pressing plate, one end of the pressing plate is fixedly connected with a locking spring, and the other end of the locking spring is fixedly connected to the main lining.
Optionally, a coarse adjustment screw cylinder is connected to the outer circumferential edge of the main gasket in a threaded manner, a drive nut is fixedly connected to the bottom of the coarse adjustment screw cylinder, a fine adjustment screw block is connected to the inner wall of the coarse adjustment screw cylinder in a threaded manner, an adjustment spring is fixedly connected to the top of the fine adjustment screw block, and an auxiliary gasket is fixedly connected to the top of the adjustment spring.
Optionally, the cross-sectional shape of the primary lining and the secondary lining is semicircular, the semicircular included angle of the cross-sectional shape of the primary lining is one hundred twenty degrees, and the semicircular included angle of the cross-sectional shape of the secondary lining is thirty degrees.
Optionally, the materials of the primary lining and the secondary lining are selected to be polycrystalline mullite fiber.
Compared with the prior art, the invention has the following advantages:
1. the invention uniformly distributes connecting columns on the outer circumferential surface of the brake shoe, and the bottom of each connecting column is rotatably connected with a fixing block. The driven ring is forced to rotate along the connecting column by rotating the connecting column, and the clamping block at the tail end of the pressing rod is clamped into the auxiliary column at the middle position of the rectangular groove formed in the main lining, so that the movable connection between the brake shoe and the main lining is finally realized, when the main lining needs to be replaced, the brake shoe does not need to be replaced, and the maintenance cost of the automobile brake is greatly reduced.
2. According to the invention, one end of the main gasket is connected with a horizontal rod in a sliding manner, one end of the horizontal rod close to the inner wall of the main gasket is fixedly connected with a return wedge block, one end of the main gasket close to the return wedge block is symmetrically connected with a return rod in a sliding manner, one side of the main gasket close to the return rod is rotatably connected with a reversing gear, one side of the main gasket close to the reversing gear is connected with a right toothed rod in a sliding manner, the tail end of the right toothed rod is fixedly connected with a return folding rod, the position of the main gasket close to the right toothed rod is fixedly connected with a connecting rod, the tail end of the connecting rod is rotatably connected with a pressing plate, one end of the pressing plate is fixedly connected with.
3. A coarse adjusting screw cylinder is connected with the outer circumferential edge of the main gasket through threads, a driving nut is fixedly connected with the bottom of the coarse adjusting screw cylinder, a fine adjusting screw block is connected with the inner wall of the coarse adjusting screw cylinder through threads, an adjusting spring is fixedly connected with the top of the fine adjusting screw block, an auxiliary gasket is fixedly connected with the top of the adjusting spring, because the main lining part firstly rubs with the brake drum when the brake shoe drives the main lining to rub the inner cylindrical surface of the brake drum, the part of the main lining is seriously abraded in the using process, the invention connects the auxiliary lining to the friction part of the main lining and the brake drum in advance through the mechanism, when the outer circumferential surface of the auxiliary lining is seriously abraded, the position of the auxiliary lining is roughly adjusted by rotating the driving nut and the position of the auxiliary lining is finely adjusted by rotating the fine adjusting screw block by using the screwdriver, so that the position of the auxiliary lining is timely adjusted, and the using effect of the main lining of the drum brake is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2 at A;
FIG. 4 is a schematic view of a portion of the structure of FIG. 2 at A-A;
fig. 5 is a partial structural diagram of fig. 4 at B.
In the figure: the brake comprises an auxiliary lining 1, a brake shoe 2, a main lining 3, a connecting column 4, an adjusting spring 5, a coarse adjusting screw cylinder 6, a fine adjusting screw block 7, a driving nut 8, a reversing gear 9, a right toothed bar 10, a return folding bar 11, a left toothed bar 12, a return spring 13, a pressing plate 14, a horizontal bar 15, a return wedge block 16, a locking spring 17, a return bar 18, a pressing plate 19, a fixed wedge block 20, a connecting bar 21, a fixed block 22, an auxiliary column 23, a clamping block 24, a pressing bar 25, a connecting lug 26, a driven ring 27, a semicircular groove 28, a pressing spring 29, a rotating pin 30, a rectangular groove 31 and a U-shaped groove 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a drum brake lining for an automobile based on polycrystalline mullite fiber comprises a brake shoe 2, the brake shoe 2 is uniformly and rotatably connected with a connecting column 4 along an excircle, the connecting column 4 is connected with a driven ring 27 along a column direction thread, connecting lugs 26 are symmetrically and fixedly connected to two sides of the driven ring 27, a rotating pin 30 is fixedly connected to the middle position of each connecting lug 26, a pressing rod 25 is rotatably connected to the middle position of each rotating pin 30, one end, far away from the corresponding connecting lug 26, of each pressing rod 25 is rotatably connected with a clamping block 24, one side face, close to the corresponding clamping rod 25, of each clamping block 24 is fixedly connected with a pressing spring 29, and the other end of each.
Connecting column 4 bottom is rotated and is connected with fixed block 22, fixed block 22 one side fixedly connected with fixed voussoir 20, fixed block 22 bottom sliding connection has main facing 3, the cross sectional shape of main facing 3 is half-circular, U type groove 32 has been seted up along the interior rampart to main facing 3, rectangular channel 31 has been seted up along U type groove 32 both ends symmetry to main facing 3, rectangular channel 31 intermediate position fixedly connected with auxiliary column 23, auxiliary column 23 bottom cross sectional shape sets to semi-circular, half slot 28 has been seted up to chucking piece 24 intermediate position.
The groove diameter of the semicircular groove 28 is larger than the column diameter of the auxiliary column 23, one end of the main gasket 3 is connected with a horizontal rod 15 in a sliding mode, one end, close to the inner wall of the main gasket 3, of the horizontal rod 15 is fixedly connected with a return wedge 16, the cross sections of the return wedge 16 and the fixed wedge 20 are equilateral triangles, the size of the return wedge 16 is smaller than that of the fixed wedge 20, one end, close to the return wedge 16, of the main gasket 3 is connected with a return rod 18 in a sliding mode symmetrically, the cross section of one end, close to the return wedge 16, of the return rod 18 is arranged into an oblique cut.
A left toothed bar 12 is fixedly connected to the side surface of a return rod 18 close to one side surface of a reversing gear 9, the length of the left toothed bar 12 accounts for two thirds of the total length of the return rod 18, a reversing gear 9 is rotatably connected to the side surface of a main lining 3 close to the reversing gear 9, a right toothed bar 10 is slidably connected to the side surface of the main lining 3 close to the reversing gear 9, a connecting rod 21 is fixedly connected to the position of the main lining 3 close to the right toothed bar 10, a pressing plate 19 is rotatably connected to the tail end of the connecting rod 21, a locking spring 17 is fixedly connected to one end of the pressing plate 19, the other end of the locking spring 17 is fixedly connected to the main lining 3, a return folding bar 11 is fixedly connected to the tail end of the right toothed bar 10, a coarse adjusting screw cylinder 6 is in threaded connection with the outer circumferential edge of the main lining 3, a driving nut 8 is fixedly connected to the bottom of the coarse adjusting screw cylinder 6, the materials of the main lining 3 and the auxiliary lining 1 are selected from polycrystalline mullite fiber.
The working principle is as follows: when the device is used for a period of time and the outer circumferential surface of the auxiliary lining 1 is seriously abraded, the position of the auxiliary lining 1 is coarsely adjusted by rotating the driving nut 8 and finely adjusting the position of the auxiliary lining 1 by rotating the fine adjusting screw block 7 and using a screwdriver to rotate the fine adjusting screw block 7, and the position of the auxiliary lining 1 is timely adjusted to ensure that the main lining 3 and the auxiliary lining 1 do not lose efficacy; one end of the main lining 3 is connected with a horizontal rod 15 in a sliding mode, one end, close to the inner wall of the main lining 3, of the horizontal rod 15 is fixedly connected with a return wedge 16, one end, close to the return wedge 16, of the main lining 3 is connected with return rods 18 in a sliding mode, one side, close to the return rods 18, of the main lining 3 is connected with a reversing gear 9 in a rotating mode, and one side, close to the reversing gear 9, of the main lining 3 is connected with a right toothed.
The tail end of the right toothed bar 10 is fixedly connected with a return folding bar 11, a connecting rod 21 is fixedly connected to the position, close to the right toothed bar 10, of the main lining 3, the tail end of the connecting rod 21 is rotatably connected with a pressing plate 19, one end of the pressing plate 19 is fixedly connected with a locking spring 17, a fixed wedge 20 fixedly connected to the middle position of one side of the fixing block 22 can be movably clamped by the pressing plate 19, when the main lining 3 and the auxiliary lining 1 are worn and cannot be used, the pressing plate 14 is pressed to drive a return wedge 16 at the tail end of the horizontal rod 15 to force the return rods 18 to be away from each other, the return rods 18 drive the return folding bar 11 to press one end of the pressing plate 19 to release the fixed wedge 20 through the left toothed bar 12, the reversing gear 9 and the right toothed bar 10, the rotary connecting column 4 forces the pressing block 24 at the bottom of the pressing bar 25 to be retracted from the.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The drum brake lining for the automobile based on the polycrystalline mullite fiber comprises a brake shoe (2) and is characterized in that the brake shoe (2) is connected with a connecting column (4) in an excircle uniform rotating mode, the connecting column (4) is connected with a driven ring (27) in a column-direction threaded mode, connecting lugs (26) are fixedly connected to two sides of the driven ring (27) symmetrically, a rotating pin (30) is fixedly connected to the middle position of each connecting lug (26), a pressing rod (25) is rotatably connected to the middle position of each rotating pin (30), one end, far away from the corresponding connecting lug (26), of each pressing rod (25) is rotatably connected with a clamping block (24), a fixing block (22) is rotatably connected to the bottom of the connecting column (4), a fixing wedge (20) is fixedly connected to one side of the fixing block (22), a main lining (3) is slidably connected to the bottom of the fixing block (22), one end of the, horizontal pole (15) lean on main lining (3) inner wall one end fixedly connected with return voussoir (16), main lining (3) lean on return voussoir (16) one end symmetry sliding connection to have a return pole (18), main lining (3) lean on return pole (18) one side rotation to be connected with reversing gear (9), main lining (3) lean on reversing gear (9) one side sliding connection to have right tooth pole (10), right tooth pole (10) end fixedly connected with return folding rod (11).
2. A polycrystalline mullite fiber-based drum brake lining for an automobile as claimed in claim 1 wherein the clamping block (24) has a compression spring (29) fixedly connected to one side of the compression rod (25), and the other end of the compression spring (29) is fixedly connected to the fixed block (22).
3. A drum brake lining for an automobile based on polycrystalline mullite fiber as claimed in claim 1 wherein the cross-sectional shape of the main lining (3) is a semi-circular ring shape, the main lining (3) being provided with U-shaped grooves (32) along the inner annular wall.
4. The drum brake lining for the automobile based on the polycrystalline mullite fiber as claimed in claim 3, wherein the main lining (3) is symmetrically provided with rectangular grooves (31) along two ends of a U-shaped groove (32), an auxiliary column (23) is fixedly connected to the middle position of the rectangular grooves (31), the cross section of the bottom of the auxiliary column (23) is semicircular, a semicircular groove (28) is formed in the middle position of the clamping block (24), and the groove diameter of the semicircular groove (28) is larger than that of the auxiliary column (23).
5. A drum brake lining for an automobile based on polycrystalline mullite fiber as claimed in claim 1 wherein the cross-sectional shapes of the retainer wedge (16) and the fixed wedge (20) are equilateral triangles, the size of the retainer wedge (16) being smaller than the size of the fixed wedge (20).
6. The drum brake lining for an automobile based on polycrystalline mullite fiber as claimed in claim 1, wherein a cross section of one end of the return rod (18) close to the return wedge (16) is in a shape of an oblique notch, the oblique angle is the same as the bottom angle of the return wedge (16), a left toothed bar (12) is fixedly connected to one side of the return rod (18) close to one side of the reversing gear (9), and the length of the left toothed bar (12) accounts for two thirds of the total length of the return rod (18).
7. The drum brake lining for the automobile based on the polycrystalline mullite fiber as claimed in claim 1, wherein a connecting rod (21) is fixedly connected to the position of the main lining (3) close to the right toothed bar (10), a pressing plate (19) is rotatably connected to the tail end of the connecting rod (21), one end of the pressing plate (19) is fixedly connected with a locking spring (17), and the other end of the locking spring (17) is fixedly connected to the main lining (3).
8. The drum brake lining for the automobile based on the polycrystalline mullite fiber as claimed in claim 1, wherein a coarse adjusting screw cylinder (6) is threadedly connected to the outer circumferential edge of the main lining (3), a driving nut (8) is fixedly connected to the bottom of the coarse adjusting screw cylinder (6), a fine adjusting screw block (7) is threadedly connected to the inner wall of the coarse adjusting screw cylinder (6), an adjusting spring (5) is fixedly connected to the top of the fine adjusting screw block (7), and an auxiliary lining (1) is fixedly connected to the top of the adjusting spring (5).
9. A drum brake lining for automobiles based on polycrystalline mullite fiber as claimed in claim 1 wherein the cross-sectional shape of the primary lining (3) and the secondary lining (1) is semi-circular, the semi-circular included angle of the cross-sectional shape of the primary lining (3) is one hundred twenty degrees and the semi-circular included angle of the cross-sectional shape of the secondary lining (1) is thirty degrees.
10. A drum brake lining for automobiles based on polycrystalline mullite fibers as claimed in claim 1 wherein the material of both the primary lining (3) and the secondary lining (1) is selected to be polycrystalline mullite fibers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011338912.1A CN112360901A (en) | 2020-11-25 | 2020-11-25 | Drum brake gasket for automobile based on polycrystalline mullite fiber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011338912.1A CN112360901A (en) | 2020-11-25 | 2020-11-25 | Drum brake gasket for automobile based on polycrystalline mullite fiber |
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CN112360901A true CN112360901A (en) | 2021-02-12 |
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Family Applications (1)
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CN202011338912.1A Pending CN112360901A (en) | 2020-11-25 | 2020-11-25 | Drum brake gasket for automobile based on polycrystalline mullite fiber |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3941222A (en) * | 1968-03-01 | 1976-03-02 | Girling Limited | Vehicle shoe drum brakes |
JPS57107443A (en) * | 1980-12-25 | 1982-07-03 | Akebono Brake Ind Co Ltd | Friction pad in cassette type drum brake |
US5255762A (en) * | 1991-08-30 | 1993-10-26 | Tennessee Gas Pipeline Company | Brake shoe assembly with fasteners |
CN202811929U (en) * | 2012-09-05 | 2013-03-20 | 天合汽车零部件(上海)有限公司 | Parking brake assembly |
CN108087451A (en) * | 2017-12-27 | 2018-05-29 | 朱宗华 | A kind of big drum brake lining of city of frictional force |
CN210423528U (en) * | 2019-04-25 | 2020-04-28 | 瑞安市弘迪汽车零部件有限公司 | Disc type brake lining |
-
2020
- 2020-11-25 CN CN202011338912.1A patent/CN112360901A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3941222A (en) * | 1968-03-01 | 1976-03-02 | Girling Limited | Vehicle shoe drum brakes |
JPS57107443A (en) * | 1980-12-25 | 1982-07-03 | Akebono Brake Ind Co Ltd | Friction pad in cassette type drum brake |
US5255762A (en) * | 1991-08-30 | 1993-10-26 | Tennessee Gas Pipeline Company | Brake shoe assembly with fasteners |
CN202811929U (en) * | 2012-09-05 | 2013-03-20 | 天合汽车零部件(上海)有限公司 | Parking brake assembly |
CN108087451A (en) * | 2017-12-27 | 2018-05-29 | 朱宗华 | A kind of big drum brake lining of city of frictional force |
CN210423528U (en) * | 2019-04-25 | 2020-04-28 | 瑞安市弘迪汽车零部件有限公司 | Disc type brake lining |
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Application publication date: 20210212 |
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