CN204985447U - Brake clearance adjustment arm - Google Patents
Brake clearance adjustment arm Download PDFInfo
- Publication number
- CN204985447U CN204985447U CN201520563743.XU CN201520563743U CN204985447U CN 204985447 U CN204985447 U CN 204985447U CN 201520563743 U CN201520563743 U CN 201520563743U CN 204985447 U CN204985447 U CN 204985447U
- Authority
- CN
- China
- Prior art keywords
- worm shaft
- circular port
- apron
- cover plate
- worm
- 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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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a brake clearance adjustment arm, including casing and the worm axle of setting in the casing, the outer end of worm axle has round annular boss, still include an apron, be equipped with the fixed orifices in the middle of the apron, the below be equipped with with the epaxial annular boss assorted circular port of worm, the rotation can be lapped relatively to the worm axle in the circular port, fixing bolt passes the fixed orifices and casing threaded connection of apron. The utility model discloses under the condition of not dismantling fixing bolt, the rotation can directly can be lapped relatively to the worm axle in the circular port, and is very convenient simple, the apron can prevent that tiny debris such as greasy dirt or silt from getting into the casing simultaneously.
Description
Technical field
The utility model belongs to technical field of automobile, particularly a kind of braking gap adjustment arm.
Background technique
Braking gap adjustment arm is a kind of blank compensation apparatus being applicable to automotive brake, and its effect is the brake clearance of vehicles break, and gap is kept relative stability, thus ensures the optimum braking force of break.Braking gap adjustment arm is the important composition in brake system of car, it is installed between brake chamber and camshaft, utilize the perception principle of driving mechanism, in vehicle operating at any time to brake shoe and brake drum because the brake clearance increased that weares and teares adjusts voluntarily, make it within the scope of required standard, and keep the gap between each wheel, overcoming can not be timely by the gap manually adjusted between brake drum and friction plate, cause braking retardation, cause sideslip or malfunctioning, make Service Brake remain optimum efficiency, improve the Security that vehicle travels.
The applicant is disclose a kind of adjustment arm in the appearance patent of 2011302310207 in the patent No., adjustment arm side is provided with the cover plate of fixing worm shaft, cover plate is provided with elongated slot mounting hole, be fixed by screws on housing, cover plate be also provided with the polygonal stop hole matched with worm shaft side and the circular shaped motion hole communicated with stop hole.When the fixing worm shaft of needs, first screw is turned on, then promote cover plate, worm shaft is set in stop hole, then tighten screw and fix; When needs rotary worm axle, first turned on by screw, then promote cover plate, worm shaft is transferred to movable span from stop hole, then by demand rotary worm axle, finally by cover plate pushed home, worm shaft is positioned at stop hole, finally tightens screw.This process is not only very complicated, needs manual operation, and after long-time use, the polygonal stop hole of cover plate is easily worn, and cannot block worm shaft well.
Summary of the invention
The purpose of this utility model is to solve the problem, and provides a kind of structure simple, gets final product the braking gap adjustment arm of rotary worm axle without the need to dismantling cover plate.
For this reason, the technical solution of the utility model is: a kind of braking gap adjustment arm, and comprise housing and be arranged on the worm shaft in housing, the outer end of worm shaft has a circle annular boss; It is characterized in that: it also comprises a cover plate, be provided with fixed hole in the middle of cover plate, below is provided with the circular port matched with the annular boss on worm shaft, and worm shaft can rotate by opposing cover plates in circular port; Fixing bolt is threaded with housing through the fixed hole of cover plate.
Circular port on the utility model is enclosed within the annular boss on worm shaft, need fixing bolt to be turned on ability rotary worm axle in difference and prior art, the utility model is not when dismantling fixing bolt, worm shaft can directly can rotate by opposing cover plates in circular port, simply very convenient; Cover plate can prevent the tiny foreign material such as greasy dirt or silt from entering housing simultaneously.
Accompanying drawing explanation
Be described in further detail below in conjunction with accompanying drawing and mode of execution of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model cover plate.
Be labeled as in figure: 1 is housing, and 2 is worm shaft, and 21 is annular boss, and 3 is cover plate, and 31 is fixed hole, and 32 is circular port, and 4 is fixing bolt.
Embodiment
See accompanying drawing.The present embodiment comprises housing 1, be arranged on worm shaft 2 in housing 1 and cover plate 3, and the outer end of worm shaft 2 has a circle annular boss 21; Be provided with fixed hole 31 in the middle of cover plate 3, below is provided with the circular port 32 matched with the annular boss 21 on worm shaft 2, and worm shaft 2 can rotate by opposing cover plates 3 in circular port 32; Fixing bolt 4 is threaded with housing 1 through the fixed hole 31 of cover plate 3.
Claims (1)
1. a braking gap adjustment arm, comprise housing and be arranged on the worm shaft in housing, the outer end of worm shaft has a circle annular boss; It is characterized in that: it also comprises a cover plate, be provided with fixed hole in the middle of cover plate, below is provided with the circular port matched with the annular boss on worm shaft, and worm shaft can rotate by opposing cover plates in circular port; Fixing bolt is threaded with housing through the fixed hole of cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520563743.XU CN204985447U (en) | 2015-07-31 | 2015-07-31 | Brake clearance adjustment arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520563743.XU CN204985447U (en) | 2015-07-31 | 2015-07-31 | Brake clearance adjustment arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985447U true CN204985447U (en) | 2016-01-20 |
Family
ID=55119820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520563743.XU Expired - Fee Related CN204985447U (en) | 2015-07-31 | 2015-07-31 | Brake clearance adjustment arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985447U (en) |
-
2015
- 2015-07-31 CN CN201520563743.XU patent/CN204985447U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180731 |