CN209725036U - A kind of clearance adjustment mechanism and disk brake of disk brake - Google Patents
A kind of clearance adjustment mechanism and disk brake of disk brake Download PDFInfo
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- CN209725036U CN209725036U CN201920233753.5U CN201920233753U CN209725036U CN 209725036 U CN209725036 U CN 209725036U CN 201920233753 U CN201920233753 U CN 201920233753U CN 209725036 U CN209725036 U CN 209725036U
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- neck bush
- shaft assembly
- brake
- adjustment mechanism
- clearance adjustment
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to automotive fields, specifically disclose the clearance adjustment mechanism and disk brake of a kind of disk brake.The clearance adjustment mechanism of disk brake therein includes support base and pressure arm, and the pressure arm is equipped with C-shaped accommodating area；It further include shaft assembly；The shaft assembly includes neck bush and push rod, and the push rod is threadedly coupled with neck bush；It further include same step gap unit, the same step gap unit includes adjusting sleeve, is connected between the adjusting sleeve and neck bush by torsion spring；It is equipped with notch on the outside of the adjusting sleeve, the driving lever of insertion notch is equipped in the C-shaped accommodating area；It further include manual tune gap unit, the manual tune gap unit includes fixed gear and adjusting head；Control element installation space is equipped with inside the shaft assembly, and the control element installation space is in the open-ended of shaft assembly.Above-described clearance adjustment mechanism has the function of automatically and manually elimination brake clearance, improves the security performance of braking system.
Description
Technical field
The utility model relates to automotive fields, and in particular to a kind of clearance adjustment mechanism and disc type brake of disk brake
Device.
Background technique
With the development of economy, the raising of conevying efficiency, the security performance in vehicle traveling process are increasingly taken seriously,
Wherein brake is to ensure that the important leverage of vehicle safety travel.Automotive brake mainly has disk brake and drum brake
Device, relative to drum brake, disk brake has many advantages, such as that size is smaller, and brake efficiency is stablized, and is especially widely used in
Heavy-duty car.
Authorization Notice No. is that the Chinese utility model patent of CN 204127170U discloses a kind of anti-deflection mechanism of pressure arm
Integral caliper air-pressure disc brake, including caliper body, end cap, pressure arm, reference seat, fulcrum cylinder and locating piece.When
When pressure arm moves, locating piece and fulcrum cylinder generate rolling friction, effectively can limit or even avoid the beat of pressure arm,
Make that brake force is steady and direction is consistent, improves energy transfer efficiency, while also improving the efficiency of friction plate, substantially prolong
The service life of friction plate.
But disk brake is after used a period of time, due to the contact friction between friction plate and brake disc, friction
Sector-meeting generates abrasion, and then the brake clearance between friction plate and brake disc is caused to increase, and the increase of brake clearance directly contributes
Response speed is slack-off when braking, will cause brake force deficiency when serious, influences traffic safety.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of clearance adjustment mechanism of disk brake and disc type systems
Dynamic device, clearance adjustment mechanism therein have the function of automatically and manually elimination brake clearance, improve the safety of braking system
Energy.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows: between a kind of disk brake
Gap adjustment mechanism, including support base and pressure arm, the pressure arm are connect with support base, and the pressure arm is connect with support base
One end be equipped with C-shaped accommodating area；It further include shaft assembly, the shaft assembly runs through entire support base, and passes through C-shaped accommodating area；
The shaft assembly includes the neck bush connecting with support base rotary moveable, is equipped with push rod in the neck bush, described pushes away
Bar is threadedly coupled with neck bush；It further include same step gap unit, the same step gap unit includes that rotation is set in neck bush
Outer adjusting sleeve is connected between the adjusting sleeve and neck bush by torsion spring；Notch, institute are equipped on the outside of the adjusting sleeve
State the driving lever that insertion notch is equipped in C-shaped accommodating area；It further include manual tune gap unit, the manual tune gap unit includes fixing
The fixed gear of neck bush end is set, and shaft assembly side and the adjusting head for driving fixed gear to rotate are set；It is described
The inside that fixed gear one end is arranged in shaft assembly is equipped with control element installation space, and the control element installation space is in shaft assembly
It is open-ended.
When braking, outer brake gas chamber pushes pressure arm, and then pushes support base movement.At this point, being arranged on support base
Shaft assembly also move therewith, and push brake(-holder) block close to automotive hub, complete braking.During pressure arm rotation,
Driving lever on pressure arm drives adjusting sleeve rotation by notch, and adjusting sleeve drives neck bush to rotate together by torsion spring.By
It is not able to rotate in push rod, the rotation of neck bush is transformed into the axial movement of push rod by screw-driven, mends to brake clearance
It repays.After friction plate and hub contacts, push rod can't continue to exercise with neck bush, pass through torque between adjusting sleeve and neck bush
The deformation accumulation of energy of spring, the further movement for pressure arm and adjusting sleeve reserve sufficient space.When brake clearance is excessive, or to rubbing
After pad is replaced, brake clearance can be manually adjusted by manual adaptation unit.
The setting of control element installation space not only makes brake inside arrangement more reasonable, and space utilization rate improves, also
It can play a protective role to the control element being provided at its inner portion.And head setting is adjusted in shaft assembly side, pacify for control element
The setting and assembly for filling space, which utilize, leaves enough operating spaces.
Preferably, the push rod is fixedly connected with push plate far from the one end for manually adjusting unit.
Preferably, being fixedly connected with lasso outside the neck bush, the neck bush passes through lasso and torsion spring
It is connect with adjusting sleeve.With adjusting sleeve directly compared with torsion spring is by way of neck bush connection, by the transition of lasso, adjust
The a whole set of assembly difficulty with torsion spring substantially reduces.
A kind of disk brake, including caliper, brake holder and clearance adjustment mechanism as described above, the gap
Adjustment mechanism is arranged in caliper；The brake holder is equipped with one group of brake(-holder) block being oppositely arranged, one of brake(-holder) block
It is connect with shaft assembly far from one end with step gap unit.
Preferably, the caliper is equipped with and adjusts a corresponding dust cover.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment clearance adjustment mechanism；
Fig. 2 is the cross-sectional view of the present embodiment clearance adjustment mechanism；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is that schematic diagram is driven between pressure arm and shaft assembly in the present embodiment clearance adjustment mechanism；
Fig. 5 is the structural schematic diagram of the present embodiment disk brake；
Fig. 6 is the cross-sectional view of the present embodiment disk brake.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment
As depicted in figs. 1 and 2, a kind of clearance adjustment mechanism of disk brake, including support base 1 and pressure arm 4, it is described
Pressure arm 4 connect with support base 1, one end that the pressure arm 4 is connect with support base 1 be equipped with C-shaped accommodating area 41.It further include axis
Component 2, the shaft assembly 2 runs through entire support base 1, and passes through C-shaped accommodating area 41.As shown in Figures 2 and 3, the axis
Component 2 includes the neck bush 24 connecting with 1 rotary moveable of support base, is equipped with push rod 23 in the neck bush 24, described pushes away
Bar 23 is threadedly coupled with neck bush 24.The push rod 23 is fixedly connected with far from the one end for manually adjusting unit 3 by cylindrical pin
Push plate 5.
It as shown in Figures 2 and 3, further include same step gap unit, the same step gap unit includes that rotation is set in axis
Adjusting sleeve 22 outside bushing 24, the neck bush 24 are fixedly connected with lasso 26 outside, and the neck bush 24 passes through lasso 26
It is connect with torsion spring 25 with adjusting sleeve 22.With the directly phase by way of torsion spring 25 is connect with neck bush 24 of adjusting sleeve 22
Than by the transition of lasso 26, adjusting sleeve 22 and the assembly difficulty of torsion spring 25 are substantially reduced.As shown in figure 4, the adjustment
22 outside of set is equipped with notch 221, and the driving lever 42 of insertion notch 221 is equipped in the C-shaped accommodating area 41.
As shown in Fig. 2, further including manual tune gap unit, the manual tune gap unit includes being fixed at neck bush 24
The fixed gear 31 of end, and 2 side of shaft assembly and the adjusting head 32 for driving fixed gear 31 to rotate are set.
As shown in Fig. 2, the inside that 31 one end of fixed gear is arranged in the shaft assembly 2 is equipped with control element installation space 21, and
The control element installation space 21 is in the open-ended of shaft assembly 2.The setting of control element installation space 21 not only to make
Arrangement is more reasonable inside dynamic device, and space utilization rate improves, moreover it is possible to play a protective role to the control element being provided at its inner portion.And
Head setting is adjusted in 2 side of shaft assembly, is that the setting of control element installation space 21 and assembly utilize and leave enough operations
Space.
When braking, outer brake gas chamber pushes pressure arm 4, and then support base 1 is pushed to move.At this point, being arranged in support base 1
On shaft assembly 2 also move therewith, and push brake(-holder) block 30 close to automotive hub, complete braking.In the mistake that pressure arm 4 rotates
Cheng Zhong, the driving lever 42 on pressure arm 4 drive adjusting sleeve 22 to rotate by notch 221, and adjusting sleeve 22 is driven by torsion spring 25
Neck bush 24 rotates together.It since push rod 23 is connect with push plate, can not rotate, the rotation of neck bush 24 is changed by screw-driven
At the axial movement of push rod 23, brake clearance is compensated.After friction plate and hub contacts, push rod 23 and neck bush 24 are equal
It can't continue to exercise, pass through the deformation accumulation of energy of torsion spring 25 between adjusting sleeve 22 and neck bush 24, be pressure arm 4 and adjusting sleeve
22 further movement reserves sufficient space.It, can be by adjusting manually when brake clearance is excessive, or after being replaced to friction plate
Whole unit manually adjusts brake clearance.
As shown in Figure 5 and Figure 6, a kind of disk brake, including caliper 20, brake holder 40 and gap as described above
Adjustment mechanism 10, the clearance adjustment mechanism 10 are arranged in caliper 20.The brake holder 40 is opposite equipped with one group
The brake(-holder) block 30 of setting, one of brake(-holder) block 30 are connect with shaft assembly 2 far from one end with step gap unit.The caliper
20 are equipped with dust cover 50 corresponding with head 32 is adjusted.
The clearance adjustment mechanism and disk brake of above-described disk brake, which have, automatically and manually eliminates braking
The function in gap improves the security performance of braking system.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Any modifications, equivalent replacements, and improvements made within spirit of the present utility model and principle etc. should be included in practical
Within novel protection scope.
Claims (5)
1. a kind of clearance adjustment mechanism of disk brake, including support base (1) and pressure arm (4), the pressure arm (4) with
Support base (1) connection, one end that the pressure arm (4) connect with support base (1) are equipped with C-shaped accommodating area (41)；It is characterized by:
It further include shaft assembly (2), the shaft assembly (2) runs through entire support base (1), and passes through C-shaped accommodating area (41)；The axis
Component (2) includes the neck bush (24) connecting with support base (1) rotary moveable, is equipped with push rod in the neck bush (24)
(23), the push rod (23) is threadedly coupled with neck bush (24)；
It further include same step gap unit, the same step gap unit includes that rotation is set in the adjusting sleeve of neck bush (24) outside
(22), it is connect between the adjusting sleeve (22) and neck bush (24) by torsion spring (25)；On the outside of the adjusting sleeve (22)
Equipped with notch (221), the driving lever (42) of insertion notch (221) is equipped in the C-shaped accommodating area (41)；
It further include manual tune gap unit, the manual tune gap unit includes the fixed gear for being fixed at neck bush (24) end
(31), and setting shaft assembly (2) side and for drive fixed gear (31) rotate adjusting head (32)；
The inside of shaft assembly (2) setting fixed gear (31) one end is equipped with control element installation space (21), and the control
Element installation space (21) is open-ended shaft assembly (2).
2. clearance adjustment mechanism according to claim 1, it is characterised in that: the push rod (23) is separate to manually adjust unit
(3) one end is fixedly connected with push plate (5).
3. clearance adjustment mechanism according to claim 1, it is characterised in that: be fixedly connected with outside the neck bush (24)
Lasso (26), the neck bush (24) are connect by lasso (26) and torsion spring (25) with adjusting sleeve (22).
4. a kind of disk brake, it is characterised in that: including caliper (20), brake holder (40), and as appointed in claim 1-3
Clearance adjustment mechanism (10) described in one, the clearance adjustment mechanism (10) setting is in caliper (20)；The braking
Bracket (40) is equipped with one group of brake(-holder) block (30) being oppositely arranged, and one of brake(-holder) block (30) is with shaft assembly (2) far from synchronous
Adjust one end connection of gap unit.
5. disk brake according to claim 4, it is characterised in that: the caliper (20) is equipped with and adjusts head
(32) corresponding dust cover (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233753.5U CN209725036U (en) | 2019-02-25 | 2019-02-25 | A kind of clearance adjustment mechanism and disk brake of disk brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233753.5U CN209725036U (en) | 2019-02-25 | 2019-02-25 | A kind of clearance adjustment mechanism and disk brake of disk brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725036U true CN209725036U (en) | 2019-12-03 |
Family
ID=68683977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920233753.5U Active CN209725036U (en) | 2019-02-25 | 2019-02-25 | A kind of clearance adjustment mechanism and disk brake of disk brake |
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| Country | Link |
|---|---|
| CN (1) | CN209725036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649082A (en) * | 2020-06-02 | 2020-09-11 | 瑞立集团瑞安汽车零部件有限公司 | A brake one-way gap adjustment device |
-
2019
- 2019-02-25 CN CN201920233753.5U patent/CN209725036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649082A (en) * | 2020-06-02 | 2020-09-11 | 瑞立集团瑞安汽车零部件有限公司 | A brake one-way gap adjustment device |
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