CN201080979Y - Bulging brake type brake device - Google Patents
Bulging brake type brake device Download PDFInfo
- Publication number
- CN201080979Y CN201080979Y CNU2007200464745U CN200720046474U CN201080979Y CN 201080979 Y CN201080979 Y CN 201080979Y CN U2007200464745 U CNU2007200464745 U CN U2007200464745U CN 200720046474 U CN200720046474 U CN 200720046474U CN 201080979 Y CN201080979 Y CN 201080979Y
- Authority
- CN
- China
- Prior art keywords
- brake
- braking
- hub
- utility
- braking device
- 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
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Abstract
The utility model relates to a braking device, in particular to an expanding brake type braking device which is provided with drop pits being arranged on a braking hub. The utility model comprises the braking hub, a braking hoof and a brake block, wherein, the braking hoof is arranged inside the braking hub; the brake block is arranged on the outer ring surface of the braking hoof. The key point of the utility model is that the drop pits are evenly arranged on the inner ring surface of the braking hub. The utility model further improves braking effect and plays a positive role in maintenance of the braking device through arranging the drop pits on the braking hub of the expanding brake type braking device.
Description
Technical field
The utility model relates to a kind of braking device, relates in particular to the bloated formula braking device of stopping that a kind of brake hub is provided with pit.
Background technique
The braking device of vehicle generally has cantilever type, brake holding formula, three kinds of the formulas of stopping that expands.The braking ability of cantilever type brake is relatively poor, generally is used on the rickshaw, and brake holding is relative stronger with bloated braking force of stopping, and is widely used in the various motor vehicle, and also being applied to the electric bicycle simultaneously is in the low speed power car of representative.Compare with the bloated formula brake of stopping, the maximum shortcoming of brake holding formula brake is that noise is big, weares and teares greatly, and working life is short, also easily causes dangerous situations such as locking during brake.Though and the bloated more preceding two kinds of summaries of formula brake cost of stopping are high, its braking quality is good, and it is little to wear and tear, and noise is little, and long service life is therefore good in various braking devices, also is widely adopted.The stop braking principle of formula brake of expanding is that the outside and brake hub friction-produced resistance by brake block suppresses the speed of a motor vehicle, and its braking force is powerful.The utility model is to do further improvement on the present bloated formula braking device of stopping, and with its braking effect of further raising, also has some other advantage simultaneously.
Summary of the invention
The technical problems to be solved in the utility model is: do further improvement on the at present existing bloated formula braking device of stopping, provide a kind of braking quality the better bloated formula braking device of stopping.
The technical solution adopted in the utility model is: a kind of formula braking device of stopping that expands, comprise brake hub, brake shoe, brake block, and brake shoe is arranged in the brake hub, and the outer ring face of brake shoe is provided with brake block, offers pit on the inner ring face of brake hub.
Further, the suffered frictional force of brake hub is even when guaranteeing brake, the pit on the brake hub inner ring face at interval evenly, and alternating expression distributes.
Again further, described pit is hole configuration on brake hub.
The beneficial effects of the utility model are: further improve the braking effect of the bloated formula braking device of stopping, and positive role is played in maintenance to braking device.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of brake hub of the present utility model.
1. brake hub, 12. pits, 2. brake shoes, 3. brake blocks among the figure
Embodiment
A kind of formula braking device of stopping that expands as shown in Figure 1, comprise brake hub 1, brake shoe 2, brake block 3, brake shoe 2 is arranged in the brake hub 1, on the outer ring face of brake shoe 2 brake block 3 is set, and offers some pits 12 on the inner ring face of brake hub 1 evenly and at intervals, alternately.
In addition, the utility model is offered in the specific implementation process of pit 12 on brake hub 1, and the pit of being offered 12 is hole configuration, promptly actual be on brake hub 1 evenly and at intervals, break-through several holes alternately.The further advantage of doing like this of bringing is: the impurity that brake block 3 and brake hub 1 friction are produced and some impurity that himself adhered to can be scraped in both friction processes in the hole on the brake hub 1, and the brake hub 1 that drops out from the duct, thereby between brake block 3 and the brake hub 1 good frictional contact surface is arranged when guaranteeing brake.
Through evidence: after offering pit on the brake hub, its brake time and braking distance be not than offering shortening greatly of pit on the brake hub, and braking effect obviously improves, because on the brake hub after the band pit, frictional force has strengthened when contacting with brake block.The purpose of this utility model promptly is this.
Claims (3)
1. formula braking device of stopping that expands, comprise brake hub (1), brake shoe (2), brake block (3), brake shoe (2) is arranged in the brake hub (1), and brake block (3) is set on the outer ring face of brake shoe (2), it is characterized in that: offer pit (12) on the inner ring face of brake hub (1).
2. a kind of formula braking device of stopping that expands according to claim 1 is characterized in that: described pit (12) is even at interval on the inner ring face of brake hub (1), and alternating expression distributes.
3. a kind of formula braking device of stopping that expands according to claim 1 and 2 is characterized in that: described pit (12) is gone up in brake hub (1) and is hole configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200464745U CN201080979Y (en) | 2007-09-25 | 2007-09-25 | Bulging brake type brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200464745U CN201080979Y (en) | 2007-09-25 | 2007-09-25 | Bulging brake type brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080979Y true CN201080979Y (en) | 2008-07-02 |
Family
ID=39614652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200464745U Expired - Fee Related CN201080979Y (en) | 2007-09-25 | 2007-09-25 | Bulging brake type brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080979Y (en) |
-
2007
- 2007-09-25 CN CNU2007200464745U patent/CN201080979Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20091026 |