CN203322113U - Drum brake for braking - Google Patents
Drum brake for braking Download PDFInfo
- Publication number
- CN203322113U CN203322113U CN2013203515636U CN201320351563U CN203322113U CN 203322113 U CN203322113 U CN 203322113U CN 2013203515636 U CN2013203515636 U CN 2013203515636U CN 201320351563 U CN201320351563 U CN 201320351563U CN 203322113 U CN203322113 U CN 203322113U
- Authority
- CN
- China
- Prior art keywords
- braking
- brake
- drum brake
- grooves
- drum
- 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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000007654 immersion Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a drum brake for braking. The inner bottom surface of the drum brake is a mounting surface matched with a hub; the outward maximal inner cylindrical hole of the mounting surface serves as a braking surface matched with a friction plate of the drum brake; four chip grooves are formed in the braking surface, are uniformly distributed in the circumferential direction at 90 degrees' intervals, and tilt to the rotational advancing direction of the drum brake; one end of each chip groove is near and used for fixing the mounting surface; the other ends of the chip grooves are open; when the drum brake advances rotationally, the former ends of the chip grooves are required to be far from and in front of the position of the mounting surface of the drum brake. The open grooves are additionally formed in the braking surface of the drum brake, so as to solve the problems that dust generated during a braking process is difficult to discharge and ponding water can be discharged only by heat quantity generated by continuous repeated brake braking after the drum brake is inundated. Therefore, a braking friction surface is guaranteed to be jointed with the braking surface of the drum brake effectively, and the condition that the efficiency factor is reduced due to the surface pollution of the friction plate is reduced.
Description
Technical field
The utility model relates to a kind of braking system assembly, especially relates to and is applicable to a kind of brake brake drum that car, heavy-duty truck brake are used.
Background technique
Drum brake is a kind of driving and Parking braking system, with so that the stop motion or make static automobile be anchored in original place and the unlikely effect that is subject to other external force and arbitrarily movement fast of the automobile in travelling.At present, drum brake also occupies certain ratio on China's car rear axle and truck.Traditional drum brake coordinates because brake drum and break belong to airtight, the brake drum braking surface is a bright and clean cylndrical surface, after one side causes when driving repeatedly braking, because the interact dust that produces of friction plate and brake drum accumulates at drum brake inside and is difficult for discharge, even pollute friction plate, thus the situation that causes braking effectiveness factor to reduce; Can sharply reduce in drum brake immersion usefulness factor later on the other hand, need continuous several times to carry out skidding, so that the heat that relies on braking to produce is discharged the ponding of drum brake inside.These two problems have had a strong impact on the practicability of drum brake.
The model utility content
The purpose of this utility model is to provide a kind of brake brake drum, could discharge the problem of ponding in order to solve the heat that needs continuous several times to carry out the skidding generation after the difficult problem of discharging of the dust produced in brake process and drum brake immersion.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
This brake drum inner bottom surface is the braking surface matched with the drum type brake friction sheet for the outside the maximum inscribed circle post hole of the attachment face, the attachment face that coordinate with wheel hub, four grooves are positioned on braking surface, along the circumferential direction by 90 degree intervals, be uniformly distributed and tilt to brake drum rotation direction of advance, one end of four grooves is near fixed installation face, the other end of four grooves is open-minded, when the brake drum rotation is advanced, an end of four grooves must be positioned at the place ahead away from brake drum attachment face position.
The utility model is compared with background technique, and the beneficial effect had is:
1, because the utility model has added opening slot on the brake drum braking surface, after the drum brake immersion, only need gently step on a few foot brake brakings, rely on the pressure of brake strip and brake drum braking surface can make most of moisture discharge along groove, thereby not needing that the drum brake temperature rise is too high can be by the ponding emptying.
2, due to the existence of groove, in the driving braking process, repeatedly contact with brake strip due to the pressure-acting groove and the brake strip surface is ground and the dust produced in braking process is discharged to drum brake inside fast, thereby guaranteed the drag friction surface can be effectively with the laminating of brake drum braking surface, thereby reduce because Friction Disk Surface is polluted the situation that the usefulness factor that causes reduces.
The accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
1,3,5,6. groove, 2. braking surface, 4. fixed installation face in figure:.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As Fig. 1, shown in Fig. 2, this brake drum inner bottom surface is the attachment face 4 coordinated with wheel hub, the outside the maximum inscribed circle post hole of attachment face 4 is the braking surface 2 matched with the drum type brake friction sheet, four grooves 1, 3, 5, 6 are positioned on braking surface 2, along the circumferential direction by 90 degree intervals, be uniformly distributed and tilt to brake drum rotation direction of advance, four grooves 1, 3, 5, an end of 6 is near fixed installation face 4, four grooves 1, 3, 5, 6 the other end is open-minded, when the brake drum rotation is advanced, four grooves 1, 3, 5, an end of 6 must be positioned at the place ahead away from brake drum attachment face 4 positions, so that relying on centrifugal action in vehicle advances process discharges dust.
When brake drum is pressed in Fig. 1 the rotation of vehicle forward direction shown in arrow, now when carrying out service brake due to brake drum braking surface 2 pressure-acting with brake strip, four grooves 1, 3, 5, 6 on the one hand carry out grinding so that friction plate keeps more stable friction factor with the brake strip Surface Contact and to it, on the other hand can be by the dust of friction plate and braking surface interaction generation by four grooves 1, 3, 5, 6 rely on the brake drums rotation and the centrifugal force that produces is discharged fast, thereby reduced braking effectiveness factor because brake strip pollutes situation about reducing.
After vehicle is paddled the brake inside immersion, when gently stepping on brake petal and carrying out service brake due to the grinding on four grooves 1,3,5,6 and brake strip surface, the ponding that is attached to the brake strip surface can be expressed in four grooves 1,3,5,6 and rely on brake drum rotation and the centrifugal force that produces throws away ponding from brake inside, thus do not need that the drum brake temperature rise is too high can be by the ponding emptying.
Claims (1)
1. a brake brake drum, it is characterized in that: the attachment face (4) of this brake drum inner bottom surface for coordinating with wheel hub, the outside the maximum inscribed circle post hole of attachment face (4) is the braking surface (2) matched with the drum type brake friction sheet, four grooves (1, 3, 5, 6) be positioned on braking surface (2), along the circumferential direction by 90 degree intervals, be uniformly distributed and tilt to brake drum rotation direction of advance, four grooves (1, 3, 5, 6) a end is near fixed installation face (4), four grooves (1, 3, 5, 6) the other end is open-minded, when the brake drum rotation is advanced, four grooves (1, 3, 5, 6) a end must be positioned at the place ahead away from brake drum attachment face (4) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203515636U CN203322113U (en) | 2013-06-19 | 2013-06-19 | Drum brake for braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203515636U CN203322113U (en) | 2013-06-19 | 2013-06-19 | Drum brake for braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322113U true CN203322113U (en) | 2013-12-04 |
Family
ID=49661467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203515636U Expired - Fee Related CN203322113U (en) | 2013-06-19 | 2013-06-19 | Drum brake for braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114382A (en) * | 2018-02-01 | 2018-06-05 | 南阳及时星应急救援装备有限公司 | A kind of high level escaping descent control device |
| CN114718971A (en) * | 2022-03-23 | 2022-07-08 | 浙江亚太机电股份有限公司 | Split brake drum |
-
2013
- 2013-06-19 CN CN2013203515636U patent/CN203322113U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114382A (en) * | 2018-02-01 | 2018-06-05 | 南阳及时星应急救援装备有限公司 | A kind of high level escaping descent control device |
| CN114718971A (en) * | 2022-03-23 | 2022-07-08 | 浙江亚太机电股份有限公司 | Split brake drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 7, 2023, the expiration and termination of the 39 volume 2702 patent Number: 27-02 Volume: 39 |
|
| CU01 | Correction of utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 |