CN206111908U - Car adjustment arm with anti -lock function - Google Patents
Car adjustment arm with anti -lock function Download PDFInfo
- Publication number
- CN206111908U CN206111908U CN201621013624.8U CN201621013624U CN206111908U CN 206111908 U CN206111908 U CN 206111908U CN 201621013624 U CN201621013624 U CN 201621013624U CN 206111908 U CN206111908 U CN 206111908U
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- China
- Prior art keywords
- worm
- pin
- adjustment arm
- clamp
- worm gear
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- 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.)
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Abstract
The utility model discloses a car adjustment arm with anti -lock function, including adjustment arm casing, install first worm round pin and first worm wheel in the adjustment arm casing, install the first worm with a worm wheel meshed on the first worm round pin, it is equipped with the second worm wheel still to overlap on the first worm round pin, first worm and second worm wheel pass through latch and draw -in groove activity joint, install second worm round pin in the mounting groove of second worm wheel below, install the second worm with the 2nd worm wheel meshed on the second worm round pin, one of second worm round pin is served and is installed the worm retaining ring through the fixed screw, installs the cardboard on the other end, second worm round pin between cardboard and the second worm is gone up the cover and is equipped with the torsional spring, the both ends of torsional spring are fixed continuous with cardboard and second worm respectively. The utility model discloses a car adjustment arm with anti -lock function, stable in structure, the dismouting of being convenient for can promote the worm wheel reversal under the effect of torsional spring.
Description
Technical field：
This utility model is related to a kind of automotive adjusting arm with anti-lock function.
Background technology：
The braking of automobile normally utilizes contact friction function between brake-shoe and brake drum and realizes.Due in driving
During, friction can be continually contacted between brake-shoe and brake drum, due to abrasive action between brake-shoe and brake drum
Gap between the two is set to become big, this influences whether the safety in utilization of automobile arrestment mechanism in the process of moving.Existing vapour
An adjustment arm that can adjust brake clearance between brake-shoe and brake drum is often provided with car arrestment mechanism, the adjustment arm exists
The wearing clearance between brake-shoe and brake drum can be compensated in the automobile braking mechanism course of work, so that system between the two
Dynamic gap can be maintained at a constant value, improve the safety of automobile braking mechanism work.But with brake-shoe with
Abrasion between brake drum, automobile it is possible that stuck situation, causes brakes to break down, is pacified in braking
Full accident.
The content of the invention：
The purpose of this utility model is to solve the problems of the prior art, there is provided a kind of Stability Analysis of Structures, is easy to dismounting,
The automotive adjusting arm with anti-lock function that worm gear can be promoted to invert in the presence of torsion spring.
In order to achieve the above object, the technical solution of the utility model is：
A kind of automotive adjusting arm with anti-lock function, including adjustment arm housing, are provided with the adjustment arm housing
First worm pin and the first worm gear, are provided with the first worm screw being meshed with the first worm gear on first worm pin, and described
Also it is set with the second worm gear on one worm pin, first worm screw offers latch on one end of the second worm gear, described
Two worm gears offer draw-in groove on the side of the first worm screw, and first worm screw and the second worm gear are lived by latch and draw-in groove
Dynamic clamping；Dismountable thrust spring base, the thrust spring are installed in the adjustment arm housing of the first worm pin side
Thrust spring is installed on seat, the thrust spring is provided with the support for offering salient point on the one end away from thrust spring base
Plate, the thrust spring is supported with the first worm pin by gripper shoe and is connected, and first worm pin is away from the one of thrust spring
End is fixedly mounted on adjustment arm housing by fixed lid；Installation is offered in adjustment arm housing below second worm gear
Groove, is provided with the second worm pin in the mounting groove, on second worm pin second be meshed with the second worm gear is provided with
Worm screw；Worm screw back-up ring is provided with by fixed screw on one end of second worm pin, clamp is installed on the other end, it is described
Be set with torsion spring on the second worm pin between clamp and the second worm screw, the two ends of the torsion spring respectively with clamp and the second snail
Bar is fixedly linked, and the clamp is pressed abd fixed on adjustment arm housing by stationary gland.
Bayonet socket is offered on the side of the thrust spring base, the thrust spring base fixes peace by bayonet socket and shackle member
It is mounted on adjustment arm housing.
The clamp opens up fluted on the side of stationary gland, and limit spring is provided with the groove, described
The two ends of limit spring support with clamp and stationary gland be connected respectively.
Packing ring is set with the first worm pin between second worm gear and fixed lid.
The beneficial effects of the utility model are：A kind of automotive adjusting arm with anti-lock function of the present utility model, the
One worm gear is meshed with the first worm screw, the first worm screw and the second worm gear by latch and draw-in groove activity clamping, the second worm gear with
Second worm screw is meshed, and is connected by torsion spring between the second worm screw and clamp, when there is stuck situation in brake-shoe and brake drum,
By the counteracting force of torsion spring the second worm screw can be driven to invert, so as to drive the first worm gear to invert, make brake-shoe and brake drum
Separate.
Description of the drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view of B-B direction in Fig. 1.
Specific embodiment：
Embodiment 1
A kind of automotive adjusting arm with anti-lock function as shown in Figure 1-2, including adjustment arm housing 1, the adjustment
First worm pin 11 and the first worm gear 2 are installed in arm housing 1, are provided with first worm pin 11 and the phase of the first worm gear 2
First worm screw 3 of engagement, is also set with the second worm gear 21 on first worm pin 11, first worm screw 3 is near the second snail
Latch 31 is offered on one end of wheel 21, second worm gear 21 offers draw-in groove 22 on the side of the first worm screw 3, described
First worm screw 3 and the second worm gear 21 are by latch 31 and the activity clamping of draw-in groove 22.The adjustment of the side of the first worm pin 11
Dismountable thrust spring base 4 is installed in arm housing 1, thrust spring 41, the thrust are installed on the thrust spring base 4
Spring 41 is provided with the gripper shoe 43 for offering salient point 42 on the one end away from thrust spring base 4.The thrust spring 41 passes through
Gripper shoe 43 is supported with the first worm pin 11 and is connected, and on the first worm pin 11 connection matched with salient point 42 can be offered
Groove, the design of salient point 42 reduces the contact area of the first worm pin 11 and gripper shoe 43, reduces friction, is easy to the first worm screw
The regulation of pin 11.Bayonet socket 44 is offered on the side of the thrust spring base 4, the thrust spring base 4 is by bayonet socket 44 and card
Fitting 45 is fixedly mounted on adjustment arm housing 1, is easy to the installation and removal of thrust spring base 4.First worm pin 11 is remote
It is fixedly mounted on adjustment arm housing 1 by fixed lid 5 from one end of thrust spring 41.Second worm gear 21 and fixed lid 5
Between the first worm pin 11 on be set with packing ring 15, it is to avoid the fixed directly contact of 5 and second worm gear of lid 21 and affect the second snail
The rotation of wheel 21.
Offer in the adjustment arm housing 1 of the lower section of second worm gear 21 and be provided with mounting groove 12, the mounting groove 12
Second worm pin 13, is provided with the second worm screw 32 being meshed with the second worm gear 21 on second worm pin 13.Described second
Worm screw back-up ring 9 is provided with by fixed screw 51 on one end of worm pin 13, clamp 6 is installed on the other end, the clamp 6 with
Be set with torsion spring 61 on the second worm pin 13 between second worm screw 32, the two ends of the torsion spring 61 respectively with clamp 6 and
Two worm screws 32 are fixedly linked, and the clamp 6 is pressed abd fixed on adjustment arm housing 1 by stationary gland 7.In automobile brake,
Camshaft drives the first worm gear 2 to rotate, and the first worm gear 2 drives the second worm screw by the transmission of the first worm screw 3 and the second worm gear 21
32 rotate, and because clamp 6 is fixed, therefore the kinetic energy that rotates of the second worm screw 32 is converted into the potential energy of torsion spring 61 and stores,
When stuck situation occur in brake-shoe and brake drum, drive the second worm screw 32 to invert by torsion spring 61, drive the first worm gear 2 convex
Wheel shaft reverse turn, it becomes possible to make brake-shoe separate with brake drum, realize anti-lock function.The clamp 6 near stationary gland 7 one
Open up fluted 63 on side, limit spring 64 be installed in the groove 63, the two ends of the limit spring 64 respectively with clamp 6
And stationary gland 7 is supported and is connected.Limit spring 64 is further supported fixation to clamp 6, and limit spring 64 is anti-
Active force also allows for the dismounting of stationary gland 7.
A kind of automotive adjusting arm with anti-lock function of the present embodiment, the first worm gear is meshed with the first worm screw, the
One worm screw and the second worm gear are meshed by latch and draw-in groove activity clamping, the second worm gear with the second worm screw, the second worm screw with
It is connected by torsion spring between clamp, when there is stuck situation in brake-shoe and brake drum, being capable of band by the counteracting force of torsion spring
Dynamic second worm screw reversion, so as to drive the first worm gear to invert, makes brake-shoe separate with brake drum.
Claims (4)
1. a kind of automotive adjusting arm with anti-lock function, including adjustment arm housing（1）, it is characterised in that：The adjustment arm
Housing（1）First worm pin is inside installed（11）With the first worm gear（2）, first worm pin（11）On be provided with and the first snail
Wheel（2）The first worm screw being meshed（3）, first worm pin（11）On be also set with the second worm gear（21）, first snail
Bar（3）Near the second worm gear（21）One end on offer latch（31）, second worm gear（21）Near the first worm screw（3）'s
Draw-in groove is offered on side（22）, first worm screw（3）With the second worm gear（21）By latch（31）And draw-in groove（22）It is living
Dynamic clamping；First worm pin（11）The adjustment arm housing of side（1）Dismountable thrust spring base is inside installed（4）, institute
State thrust spring base（4）On thrust spring is installed（41）, the thrust spring（41）Away from thrust spring base（4）One end on
It is provided with and offers salient point（42）Gripper shoe（43）, the thrust spring（41）By gripper shoe（43）With the first worm pin
（11）Support and be connected, first worm pin（11）Away from thrust spring（41）One end by fixed lid（5）It is fixedly mounted on
Adjustment arm housing（1）On；Second worm gear（21）The adjustment arm housing of lower section（1）Inside offer mounting groove（12）, the peace
Tankage（12）Second worm pin is inside installed（13）, second worm pin（13）On be provided with and the second worm gear（21）It is meshed
The second worm screw（32）；Second worm pin（13）One end on pass through fixed screw（51）Worm screw back-up ring is installed（9）, separately
Clamp is installed on one end（6）, the clamp（6）With the second worm screw（32）Between the second worm pin（13）On be set with torsion spring
（61）, the torsion spring（61）Two ends respectively with clamp（6）And second worm screw（32）It is fixedly linked, the clamp（6）Pass through
Stationary gland（7）It is pressed abd fixed on adjustment arm housing（1）On.
2. a kind of automotive adjusting arm with anti-lock function according to claim 1, it is characterised in that：The thrust bullet
Spring abutment（4）Side on offer bayonet socket（44）, the thrust spring base（4）By bayonet socket（44）And shackle member（45）Fixed peace
It is mounted in adjustment arm housing（1）On.
3. a kind of automotive adjusting arm with anti-lock function according to claim 1, it is characterised in that：The clamp
（6）Near stationary gland（7）Side on open up fluted（63）, the groove（63）Limit spring is inside installed（64）, institute
State limit spring（64）Two ends respectively with clamp（6）And stationary gland（7）Support and be connected.
4. a kind of automotive adjusting arm with anti-lock function according to claim 1, it is characterised in that：Second snail
Wheel（21）With fixed lid（5）Between the first worm pin（11）On be set with packing ring（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013624.8U CN206111908U (en) | 2016-08-31 | 2016-08-31 | Car adjustment arm with anti -lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013624.8U CN206111908U (en) | 2016-08-31 | 2016-08-31 | Car adjustment arm with anti -lock function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111908U true CN206111908U (en) | 2017-04-19 |
Family
ID=58515917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621013624.8U Active CN206111908U (en) | 2016-08-31 | 2016-08-31 | Car adjustment arm with anti -lock function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765190A (en) * | 2020-06-08 | 2020-10-13 | 中国航发北京航科发动机控制系统科技有限公司 | Pretightening force adjusting and setting device |
-
2016
- 2016-08-31 CN CN201621013624.8U patent/CN206111908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765190A (en) * | 2020-06-08 | 2020-10-13 | 中国航发北京航科发动机控制系统科技有限公司 | Pretightening force adjusting and setting device |
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| GR01 | Patent grant |