CN208900589U - A kind of automobile brake drum - Google Patents
A kind of automobile brake drum Download PDFInfo
- Publication number
- CN208900589U CN208900589U CN201821693180.6U CN201821693180U CN208900589U CN 208900589 U CN208900589 U CN 208900589U CN 201821693180 U CN201821693180 U CN 201821693180U CN 208900589 U CN208900589 U CN 208900589U
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- China
- Prior art keywords
- brake
- shoe
- side wall
- oval
- ellipse
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Abstract
The utility model discloses a kind of automobile brake drums, including ellipse, the elliptical the center point is rotatably connected to fulcrum by shaft, the elliptical side wall is rotatably connected to piston rod by shaft, the elliptical side wall offers oval groove, the elliptical two sides are equipped with brake-shoe vertically, the brake-shoe is fixedly connected with connecting rod close to elliptical side wall, the connecting rod is slidably connected by sliding block and oval groove, the lower end of the brake-shoe is rotatably connected to fulcrum by shaft, the brake-shoe is fixedly connected with friction plate far from elliptical side wall, drum body is equipped between the side wall of two friction plates.The utility model is using the quick swing of piston rod to drive elliptical quick rotation, thus brake-shoe can be made quickly to swing by the drive of oval groove and sliding block, friction plate follows brake-shoe to swing and quickly rubs and separate with drum body, can also extend the service life of friction plate and drum body while playing good braking effect.
Description
Technical field
The utility model relates to automobile brake technical field more particularly to a kind of automobile brake drums.
Background technique
Brake drum is the fricting couple piece of drum brake, in addition to should have as strength and stiffness required for component, also
Should there are as high and stable as possible a coefficient of friction and abrasion resistance, heat resistance appropriate, thermal diffusivity and thermal capacity etc., when brake,
Brake block generates frictional force close to tympanum inner wall, stops vehicle.
Existing brake drum constantly resists brake-shoe using piston at work, and friction plate and drum body is made to generate friction,
To realize that braking effect, friction plate and drum body persistently offset and can generate a large amount of heat, cause frictional decrease, reduce braking
Effect, for this purpose, it is proposed that a kind of automobile brake drum is to solve the above problems.
Utility model content
A large amount of heat can be generated purpose of the utility model is to solve continual friction in the prior art to cause
Frictional decrease reduces the problem of braking effect, and a kind of automobile brake drum proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of automobile brake drum, including ellipse, the elliptical the center point are rotatably connected to fulcrum by shaft, institute
It states elliptical side wall and piston rod is rotatably connected to by shaft, the elliptical side wall offers oval groove, and described elliptical two
Side is equipped with brake-shoe vertically, and the brake-shoe is fixedly connected with connecting rod close to elliptical side wall, the connecting rod by sliding block with
Oval groove is slidably connected, and the lower end of the brake-shoe is rotatably connected to fulcrum by shaft, and the brake-shoe is far from elliptical side
Wall is fixedly connected with friction plate, and drum body is equipped between the side wall of two friction plates.
Preferably, two brake-shoes are fixedly connected to mounting base, two mounting bases close to elliptical side wall
Between be fixedly connected by return spring.
Preferably, the side wall of the brake-shoe offers multiple heat release holes being uniformly arranged, and the inner wall of heat release hole is fixed
It is connected with cooling fin.
Preferably, the material of the bulging body is metal, and is coated with anticorrosion material on drum body.
Preferably, the material of the friction plate is carbon fiber friction material, and heat release hole is offered on friction plate.
Preferably, vertical line of two brake-shoes along the oval centers of circle is symmetrical arranged, the center of circle of the bulging body it is vertical
Line is identical as the oval vertical line in the center of circle.
Compared with prior art, the utility model has the beneficial effects that
1, using piston rod quick rotation, to drive oval along shaft quick rotation, when elliptical rotation, drives braking
Hoof is along branch spot wobble, to make friction plate and the inner wall of drum body quickly rub and separate, to play braking effect, and quickly
Quick separating while friction, fraction time is short, will not generate a large amount of heat, guarantees coefficient of friction and good braking effect,
The service life of friction plate and drum body can also be extended simultaneously；
2, by installing return spring between two brake-shoes, upon completion of the braking, by return spring by brake-shoe
Original state is retracted, friction plate and drum body is avoided to occur to rub and damage friction plate and drum body again, in addition, by heat release hole and dissipating
Backing, the heat that can be generated to friction plays heat dissipation effect, to guarantee coefficient of friction.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of automobile brake drum structural schematic diagram；
Fig. 2 is the structural schematic diagram in Fig. 1 at A.
In figure: 1 ellipse, 2 piston rods, 3 oval grooves, 4 brake-shoes, 5 connecting rods, 6 sliding blocks, 7 fulcrums, 8 friction plates, 9 drum bodies, 10
Mounting base, 11 return springs, 12 heat release holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of automobile brake drum, including ellipse 1, the center point of ellipse 1 are rotatablely connected by shaft
There is fulcrum, when ellipse 1 is rotated around the center of circle, when long diameter is lateral, ellipse 1 can resist brake-shoe 4 and friction plate 8, make to rub
Pad 8 and drum body 9 generate friction, to play braking effect, the side wall of ellipse 1 is rotatably connected to piston rod 2 by shaft, lead to
Quick swing for crossing piston rod 2 provides power for the rotation of ellipse 1, so that ellipse 1 can be with quick rotation, the side wall of ellipse 1 is opened
Equipped with oval 1 slot, the two sides of ellipse 1 are equipped with brake-shoe 4 vertically, and vertical line of two brake-shoes 4 along oval 1 center of circle is symmetrically set
It sets, the vertical line in the center of circle of drum body 9 is identical as the oval vertical line in 1 center of circle, and when ellipse 1 rotates, the brake-shoe 4 of two sides is simultaneously
Braking action is played to drum body 9, braking effect is more preferable, avoids bulging body 9 subject to various forces and shifts；
The side wall of brake-shoe 4 offers multiple heat release holes 12 being uniformly arranged, and the inner wall of heat release hole 12 is fixedly connected with
Cooling fin, by heat transfer, cooling fin absorbs the heat generated when brake-shoe 4 is braked, is distributed by heat release hole 12, thus
It can delay the temperature-rise period of brake-shoe 4 and friction plate 8, guarantee that coefficient of friction, two brake-shoes 4 are equal close to the side wall of ellipse 1
It is fixedly connected with mounting base 10, is fixedly connected between two mounting bases 10 by return spring 11, after the completion of braking, return bullet
Spring 11 will pull brake-shoe 4, and brake-shoe 4 is made to return to original state, and friction plate 8 is avoided to rub again with drum body 9, guarantee drum body
9 service life；
Brake-shoe 4 is fixedly connected with connecting rod 5 close to the side wall of ellipse 1, and connecting rod 5 is connected by sliding block 6 and oval 1 slot sliding
It connects, when ellipse 1 rotates, connecting rod 5 and sliding block 6 slide in oval 1 slot, and when the long diameter of ellipse 1 is lateral, ellipse 1 is supported
Firmly brake-shoe 4 and friction plate 8 and drum body 9 generate friction, so that braking effect is played, when long diameter gradually tilts, in sliding block 6
Under the restriction effect of oval 1 slot, pulls brake-shoe 4 and friction plate 8 to rotate along fulcrum 7 far from drum body 9, pass through ellipse 1
Quick rotation realizes that friction plate 8 is rubbed and separated with the quick of drum body 9, thus while realizing good braking effect, also not
A large amount of heat can be generated, guarantees coefficient of friction, will not more cause big damage to friction plate 8 and drum body 9, extend 8 He of friction plate
The service life of drum body 9；
The lower end of brake-shoe 4 is rotatably connected to fulcrum 7 by shaft, and brake-shoe 4 is fixedly connected with far from the side wall of ellipse 1
Friction plate 8, the material of friction plate 8 are carbon fiber friction material, and carbon fiber is one kind friction material made of reinforcing material, carbon fiber
Dimension has the characteristics that high-modulus, thermally conductive good, heat-resisting, and braking effect is more preferable, and heat release hole is offered on friction plate 8, and two are rubbed
Drum body 9 is equipped between the side wall of piece 8, the material of drum body 9 is metal, and is coated with anticorrosion material, the hardness of metal on drum body 9
Height can be used for a long time, and anticorrosion material can protect bulging body 9, prevent from reducing braking because rainy weather causes to rouse due to body 9 corrodes
Effect.
The utility model provides power when being braked, through quick swing of piston rod 2 for the rotation of ellipse 1, makes
Obtaining oval 1 can be with quick rotation, when ellipse 1 rotates, and connecting rod 5 and sliding block 6 slide in oval 1 slot, when the long diameter of ellipse 1
When being lateral, ellipse 1 resists brake-shoe 4 and friction plate 8 and drum body 9 generates friction, to play braking effect, when long diameter by
When gradually tilting, under the restriction effect of sliding block 6 and oval 1 slot, brake-shoe 4 and friction plate 8 is pulled to rotate along fulcrum 7 far from drum
Body 9 realizes that friction plate 8 is rubbed and separated with the quick of drum body 9, to realize good braking by the quick rotation of ellipse 1
While effect, a large amount of heat will not be generated, guarantees coefficient of friction, will not more cause big damage to friction plate 8 and drum body 9
Evil extends the service life of friction plate 8 and drum body 9, meanwhile, by heat transfer, what cooling fin absorption brake-shoe 4 generated when braking
Heat is distributed by heat release hole 12, so as to delay the temperature-rise period of brake-shoe 4 and friction plate 8, guarantees coefficient of friction
And then guarantee braking effect, and after the completion of braking, return spring 11 will pull brake-shoe 4, and so that brake-shoe 4 is returned to original state,
It avoids friction plate 8 from rubbing again with drum body 9, guarantees the service life of drum body 9.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of automobile brake drum, including it is oval (1), which is characterized in that the center point of the ellipse (1) is turned by shaft
Dynamic to be connected with fulcrum, the side wall of the ellipse (1) is rotatably connected to piston rod (2) by shaft, and the side wall of the ellipse (1) is opened
Equipped with oval groove (3), the two sides of the ellipse (1) are equipped with brake-shoe (4) vertically, and the brake-shoe (4) is close to oval (1)
Side wall is fixedly connected with connecting rod (5), and the connecting rod (5) is slidably connected by sliding block (6) with oval groove (3), the brake-shoe (4)
Lower end be rotatably connected to fulcrum (7) by shaft, the brake-shoe (4) is fixedly connected with friction far from the side wall of oval (1)
Piece (8) is equipped with drum body (9) between the side wall of two friction plates (8).
2. a kind of automobile brake drum according to claim 1, which is characterized in that two brake-shoes (4) are close
The side wall of oval (1) is fixedly connected to mounting base (10), solid by return spring (11) between two mounting bases (10)
Fixed connection.
3. a kind of automobile brake drum according to claim 1, which is characterized in that the side wall of the brake-shoe (4) is opened
Equipped with multiple heat release holes (12) being uniformly arranged, and the inner wall of heat release hole (12) is fixedly connected with cooling fin.
4. a kind of automobile brake drum according to claim 1, which is characterized in that the material of the bulging body (9) is gold
Belong to, and is coated with anticorrosion material on drum body (9).
5. a kind of automobile brake drum according to claim 1, which is characterized in that the material of the friction plate (8) is
Carbon fiber friction material, and heat release hole is offered on friction plate (8).
6. a kind of automobile brake drum according to claim 1, which is characterized in that two brake-shoes (4) are along ellipse
The vertical line in circle (1) center of circle is symmetrical arranged, and the vertical line in the center of circle of the bulging body (9) is identical as the oval vertical line in (1) center of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693180.6U CN208900589U (en) | 2018-10-18 | 2018-10-18 | A kind of automobile brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693180.6U CN208900589U (en) | 2018-10-18 | 2018-10-18 | A kind of automobile brake drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900589U true CN208900589U (en) | 2019-05-24 |
Family
ID=66576171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821693180.6U Expired - Fee Related CN208900589U (en) | 2018-10-18 | 2018-10-18 | A kind of automobile brake drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208900589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519727A (en) * | 2020-11-27 | 2021-03-19 | 浙江夏厦精密制造股份有限公司 | Electric bus intelligent braking system with cam nut structure |
-
2018
- 2018-10-18 CN CN201821693180.6U patent/CN208900589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519727A (en) * | 2020-11-27 | 2021-03-19 | 浙江夏厦精密制造股份有限公司 | Electric bus intelligent braking system with cam nut structure |
| CN112519727B (en) * | 2020-11-27 | 2022-04-19 | 浙江夏厦精密制造股份有限公司 | Electric bus intelligent braking system with cam nut structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20201018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |