CN204805395U - Straight manual brake of mode adjustment arm - Google Patents
Straight manual brake of mode adjustment arm Download PDFInfo
- Publication number
- CN204805395U CN204805395U CN201520513956.1U CN201520513956U CN204805395U CN 204805395 U CN204805395 U CN 204805395U CN 201520513956 U CN201520513956 U CN 201520513956U CN 204805395 U CN204805395 U CN 204805395U
- Authority
- CN
- China
- Prior art keywords
- lock tube
- worm
- fastening spring
- adjustment arm
- arm body
- 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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- Braking Arrangements (AREA)
Abstract
The utility model discloses a straight manual brake of mode adjustment arm, including brake adjustment arm body to and install worm wheel and the worm on brake adjustment arm body, the worm cooperation is connected with the worm axle, the epaxial lock tube awl tooth that is equipped with of worm, the cooperation of lock tube awl tooth is connected with the lock tube, installs the fastening spring on the lock tube, the fastening spring passes through the blind nut and installs that this is internal in brake adjustment arm. The utility model discloses a fasten the locking force that pushes down of spring to and the engagement force between lock tube awl tooth and the lock tube to ensure at ordinary times that the worm axle can not take place rotatory, as long as directly rotate the worm axle when needs adjusts, overcome the locking force that pushes down of fastening spring, and the lock tube is bored the rotation that the engagement force between tooth and the lock tube can accomplish to worm wheel and worm and is reached the technological purpose that the clearance was brakied in the regulation.
Description
Technical field
The utility model relates to a kind of automobile brake system parts, particularly relates to a kind of straight mode hand brake adjusting lever.
Background technique
The effect of current braking adjusting-arm adjusts brake gap, refers to the adjustment carried out the gap between friction pairs of brake element brake drum and brake lining.In use, braking can cause the continuous wearing and tearing of braking member to automobile frequently, causes the gap increase in various degree between brake drum and shoe plate, causes pedal travel lengthening, the decline of brake chamber thrust, braking retardation and braking force reduction etc.For ensureing vehicle driving safety, work between relatively stable and each break of maintenance pedal travel equilibrium, need adjust, play the function of regulation and control braking function and sensitivity to brake clearance.Its adjustment process of existing braking adjusting-arm drives worm screw and turbine rotate and then reach the technical purpose in adjustable brake gap mainly through rotary worm axle, but this adjustment process first must unclamp the fixing device controlling worm shaft and rotate, then could regulate, need again after adjustment completes fasteningly to bother very much, how to realize the research object that adjustment that under manual tune mode, worm shaft directly drives turbine, worm screw carries out brake clearance is those skilled in the art always.
Chinese utility model patent patent No. ZL200520101714.8 discloses the structure improvement of the straight mode hand brake adjusting lever of a kind of self locking type.Comprise housing, if worm gear in the inner, worm mechanism, housing is provided with adjustment axis hole, adjustment axis hole by adjustment axle and worm screw matched, it is characterized in that being evenly arranged some shrinkage pools on described adjustment axle, be arranged with the gear ring be coupled on housing outside it, in described gear ring, be at least provided with a steel ball adapted with shrinkage pool; The root of described adjustment axle is provided with circular groove, and described housing is provided with guide wheel hole, is provided with the guide wheel matched with circular groove in described guide wheel hole.This kind of device also directly can not rotate adjustment axle and adjust, and must unclamp locating stud and just can adjust.
Summary of the invention
The utility model provides that a kind of structure is simple, easy to adjust, the straight mode hand brake adjusting lever of long service life.
A kind of straight mode hand brake adjusting lever, comprise braking adjusting-arm body, and the worm gear be arranged on braking adjusting-arm body and worm screw, worm screw is connected with worm shaft, described worm shaft is provided with lock tube cone tooth, lock tube cone tooth is connected with lock tube, and lock tube is provided with fastening spring, and fastening spring is installed in braking adjusting-arm body by blind nut.This kind of straight mode hand brake adjusting lever presses down coupling mechanism force by fastening spring, and the engaging force between lock tube cone tooth and lock tube guarantees that worm shaft can not rotate at ordinary times, as long as the direct rotary worm axle when needs adjust, what overcome fastening spring presses down coupling mechanism force, and the rotation that can complete for worm gear and worm screw of the engaging force between lock tube cone tooth and lock tube reaches the technical purpose in adjustable brake gap.
Described lock tube is circumferentially provided with projection, and respective protrusions is provided with and is positioned at the intrinsic guiding groove of braking adjusting-arm.The cooperating structure of this kind of guiding groove and projection, guarantees that worm shaft regulates jack-up lock tube in rotary course under external force, reaches worm shaft and rotates adjustment object, can not again rotate once external force cancels worm shaft under spring pressure effect.
Described lock tube is circumferentially provided with 2 and convexes to form bicircular arcs projection, and corresponding bicircular arcs projection is provided with and is positioned at the intrinsic bicircular arcs guiding groove of braking adjusting-arm, to increase the stability that lock tube moves up and down in process.
Described fastening spring, blind nut are all socketed worm shaft, and blind nut is threaded braking adjusting-arm body, by the socket linkage structure of blind nut and worm shaft, realize the direct verticity of worm shaft, and do not need to unclamp blind nut.
The utility model presses down coupling mechanism force by fastening spring, and the engaging force between lock tube cone tooth and lock tube guarantees that worm shaft can not rotate at ordinary times, as long as the direct rotary worm axle when needs adjust, what overcome fastening spring presses down coupling mechanism force, and the rotation that can complete for worm gear and worm screw of the engaging force between lock tube cone tooth and lock tube reaches the technical purpose in adjustable brake gap.
Accompanying drawing explanation
Fig. 1 is that the utility model straight mode hand brake adjusting lever master looks broken section structural representation;
Fig. 2 is that the straight mode hand brake adjusting lever of the utility model overlooks broken section structural representation.
Embodiment
A kind of straight mode hand brake adjusting lever as shown in Figure 1, 2, comprise braking adjusting-arm body 1, and the worm gear 2 be arranged on braking adjusting-arm body 1 and worm screw 3, worm screw 3 is connected with worm shaft 4, worm shaft 4 is provided with lock tube cone tooth, lock tube cone tooth is connected with lock tube 7, and lock tube 7 is provided with fastening spring 5, fastening spring 5 is installed in braking adjusting-arm body 1 by blind nut 6.
Circumferentially be provided with protruding 8 as the preferred lock tube 7 of structure, respective protrusions 8 is provided with and is positioned at the intrinsic guiding groove of braking adjusting-arm.Circumferentially be provided with 2 as further structure lock tube 7 and convex to form bicircular arcs projection, corresponding bicircular arcs projection is provided with and is positioned at the intrinsic bicircular arcs guiding groove of braking adjusting-arm.
In order to realize the technology mode directly regulated further, fastening spring 5, blind nut 6 are all socketed worm shaft 4, blind nut 6 is threaded braking adjusting-arm body 1, and in the rotary course of worm shaft, blind nut does not just need to unclamp like this, reaches the technical purpose that worm shaft directly rotates adjustment.
Claims (4)
1. a straight mode hand brake adjusting lever, comprise braking adjusting-arm body, and the worm gear be arranged on braking adjusting-arm body and worm screw, worm screw is connected with worm shaft, it is characterized in that: described worm shaft is provided with lock tube cone tooth, lock tube cone tooth is connected with lock tube, and lock tube is provided with fastening spring, and fastening spring is installed in braking adjusting-arm body by blind nut.
2. straight mode hand brake adjusting lever as claimed in claim 1, it is characterized in that: described lock tube is circumferentially provided with projection, respective protrusions is provided with and is positioned at the intrinsic guiding groove of braking adjusting-arm.
3. straight mode hand brake adjusting lever as claimed in claim 2, it is characterized in that: described lock tube is circumferentially provided with 2 and convexes to form bicircular arcs projection, corresponding bicircular arcs projection is provided with and is positioned at the intrinsic bicircular arcs guiding groove of braking adjusting-arm.
4. mode hand brake adjusting lever as claimed in claim 1 straight, is characterized in that: described fastening spring, blind nut are all socketed worm shaft, and blind nut is threaded braking adjusting-arm body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513956.1U CN204805395U (en) | 2015-07-10 | 2015-07-10 | Straight manual brake of mode adjustment arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520513956.1U CN204805395U (en) | 2015-07-10 | 2015-07-10 | Straight manual brake of mode adjustment arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204805395U true CN204805395U (en) | 2015-11-25 |
Family
ID=54590228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520513956.1U Expired - Fee Related CN204805395U (en) | 2015-07-10 | 2015-07-10 | Straight manual brake of mode adjustment arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204805395U (en) |
-
2015
- 2015-07-10 CN CN201520513956.1U patent/CN204805395U/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: 20151125 Termination date: 20170710 |