CN103470661A - Clearance self-adjusting device - Google Patents
Clearance self-adjusting device Download PDFInfo
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- CN103470661A CN103470661A CN2013104291340A CN201310429134A CN103470661A CN 103470661 A CN103470661 A CN 103470661A CN 2013104291340 A CN2013104291340 A CN 2013104291340A CN 201310429134 A CN201310429134 A CN 201310429134A CN 103470661 A CN103470661 A CN 103470661A
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- adjusting device
- sleeve
- clearance
- clearance self
- spring
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Abstract
The invention discloses a clearance self-adjusting device. The clearance self-adjusting device comprises a limit friction plate, a limit pin, a sleeve, a brake shoe web, a spring and a brake base plate, wherein the sleeve is sleeved outside the limit pin, the spring is sleeved outside the sleeve, the brake base plate and the limit friction plate are respectively arranged at the two ends of the spring, and the brake shoe web is arranged in the middle of the limit friction plate. As a clearance does not need to be adjusted when the clearance self-adjusting device is assembled, the clearance can be automatically adjusted to a set value as long as one brake is finished after the clearance self-adjusting device is arranged on an automobile. The clearance self-adjusting device is stable and reliable in work, simple in structure and low in manufacture cost.
Description
Technical field
The present invention relates to a kind of clearance self-adjusting device.
Background technique
Break is in order to the parts of the power that produces obstacle vehicle movement or movement tendency in braking system, the brake shoe that break is provided with is when idle home position, should keep suitable gap between its friction plate and brake drum, if this gap in any friction pairs of brake is too small, just be difficult for guaranteeing thorough brake off, cause dawdling of friction pair, excesssive gap will make again brake-pedal travel oversize, driver's operation inconvenience always, also can postpone the moment that break starts to work simultaneously, but in the break working procedure, the continuous wearing and tearing of friction plate will cause brake clearance progressively to increase, when serious, even by the brake petal limit position of stepping on, do not produce enough braking moments yet, therefore, require any type of break structurally must guarantee to check and adjust its gap.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of simple in structure, the reliable clearance self-adjusting device of working stability.
Technological scheme: in order to realize above purpose, a kind of clearance self-adjusting device of the present invention, it comprises: limit friction sheet, position limit pin, sleeve, the brake shoe web, spring and braking bottom board, the outside of described position limit pin is arranged with sleeve, and the outside of sleeve is arranged with spring, the two ends of spring are respectively equipped with braking bottom board and limit friction sheet, and in the middle of described limit friction sheet, place is provided with the brake shoe web.
In the middle of described position limit pin and sleeve, place is provided with gap.
Beneficial effect: a kind of clearance self-adjusting device provided by the invention, because it does not need the adjustment gap at assembling type, as long as after being installed on automobile, through once braking fully, can arrive setting value by capable of automatic regulating gap, working stability is reliable, and this clearance self-adjusting device is simple in structure, low cost of manufacture.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, further illustrate the present invention.
A kind of clearance self-adjusting device of the present invention, it comprises: limit friction sheet 1, position limit pin 2, sleeve 3, brake shoe web 4, spring 5 and braking bottom board 6.
The outside of described position limit pin 2 is arranged with sleeve 3, the outside of sleeve 3 is arranged with spring 5, the two ends of spring 5 are respectively equipped with braking bottom board 6 and limit friction sheet 1, and in the middle of described limit friction sheet 1, place is provided with brake shoe web 4, and in the middle of described position limit pin 2 and sleeve 3, place is provided with gap 7.
When use is of the present invention, sleeve 3 is through brake shoe web 4, and borrow two friction banking stops 1 being compressed by spring 5 to keep the relative position of itself and brake shoe web 4, sleeve 3 is set in again on the position limit pin with bulb 2 be fixed on braking bottom board 6, sleeve 3 exists excessive gap with the gap of position limit pin ball-end part, define sleeve 3 and the brake shoe displacement amount with respect to position limit pin 2, thereby define the setting gap of break, while in break, having excessive gaps 7, the motivator acted on brake shoe can make brake shoe overcome the frictional force between web 4 and friction banking stop 1, continue to press to brake drum with respect to sleeve 3 and position limit pin 2, to realize braking fully, remove motivator, sleeve 2 is got back to home position, but brake shoe can not be in the position of getting back to before braking, because be irreversible so as to the relative displacement of offsetting 3, excessive gaps 7 hoof and sleeve, this just means that brake clearance has returned to setting value.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics, its objective is to allow to be familiar with these those skilled in the art and can to understand content of the present invention enforcement according to this, can not limit the scope of the invention with this.All equivalents that Spirit Essence has been done according to the present invention or modification, within all should being encompassed in protection scope of the present invention.
Claims (2)
1. a clearance self-adjusting device, it is characterized in that, it comprises: limit friction sheet (1), position limit pin (2), sleeve (3), brake shoe web (4), spring (5) and braking bottom board (6), the outside of described position limit pin (2) is arranged with sleeve (3), and the outside of sleeve (3) is arranged with spring (5), the two ends of spring (5) are respectively equipped with braking bottom board (6) and limit friction sheet (1), and in the middle of described limit friction sheet (1), place is provided with brake shoe web (4).
2. a kind of clearance self-adjusting device according to claim 1, is characterized in that: locate to be provided with gap (7) in the middle of described position limit pin (2) and sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104291340A CN103470661A (en) | 2013-09-22 | 2013-09-22 | Clearance self-adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104291340A CN103470661A (en) | 2013-09-22 | 2013-09-22 | Clearance self-adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103470661A true CN103470661A (en) | 2013-12-25 |
Family
ID=49795648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104291340A Pending CN103470661A (en) | 2013-09-22 | 2013-09-22 | Clearance self-adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103470661A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485222A (en) * | 2015-12-18 | 2016-04-13 | 重庆泽田汽车部件有限责任公司 | Brake clearance adjusting structure of drum brake |
| CN108253041A (en) * | 2018-01-12 | 2018-07-06 | 浙江师范大学 | A kind of clearance self-regulating type drum brake |
| CN108253045A (en) * | 2018-01-12 | 2018-07-06 | 浙江师范大学 | A kind of clearance self-regulating type drum brake |
| CN108317185A (en) * | 2018-01-12 | 2018-07-24 | 浙江师范大学 | A kind of clearance self-regulating type drum brake |
| CN112013299A (en) * | 2020-08-17 | 2020-12-01 | 长春理工大学 | Collimating system multidimensional adjusting mechanism for small solar simulator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3645364A (en) * | 1968-06-11 | 1972-02-29 | Bergische Stahlindustrie | Self-adjusting braking apparatus |
| CN101275611A (en) * | 2007-03-27 | 2008-10-01 | 浙江亚太机电股份有限公司 | Clearance automatic regulating apparatus of vehicle electric mechanical braking system |
| CN102359521A (en) * | 2011-09-28 | 2012-02-22 | 西北工业大学 | Excessive clearance self-regulating mechanism of disk type brake of heavy vehicle |
-
2013
- 2013-09-22 CN CN2013104291340A patent/CN103470661A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3645364A (en) * | 1968-06-11 | 1972-02-29 | Bergische Stahlindustrie | Self-adjusting braking apparatus |
| CN101275611A (en) * | 2007-03-27 | 2008-10-01 | 浙江亚太机电股份有限公司 | Clearance automatic regulating apparatus of vehicle electric mechanical braking system |
| CN102359521A (en) * | 2011-09-28 | 2012-02-22 | 西北工业大学 | Excessive clearance self-regulating mechanism of disk type brake of heavy vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 王望予: "《汽车设计》", 30 April 2008, article "制动系设计", pages: 280-284 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485222A (en) * | 2015-12-18 | 2016-04-13 | 重庆泽田汽车部件有限责任公司 | Brake clearance adjusting structure of drum brake |
| CN108253041A (en) * | 2018-01-12 | 2018-07-06 | 浙江师范大学 | A kind of clearance self-regulating type drum brake |
| CN108253045A (en) * | 2018-01-12 | 2018-07-06 | 浙江师范大学 | A kind of clearance self-regulating type drum brake |
| CN108317185A (en) * | 2018-01-12 | 2018-07-24 | 浙江师范大学 | A kind of clearance self-regulating type drum brake |
| CN108317185B (en) * | 2018-01-12 | 2020-07-28 | 浙江师范大学 | Clearance self-modulation type drum brake |
| CN112013299A (en) * | 2020-08-17 | 2020-12-01 | 长春理工大学 | Collimating system multidimensional adjusting mechanism for small solar simulator |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131225 |