CN209510972U - The driven adjuster and disk brake of disk brake - Google Patents
The driven adjuster and disk brake of disk brake Download PDFInfo
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- CN209510972U CN209510972U CN201920062905.XU CN201920062905U CN209510972U CN 209510972 U CN209510972 U CN 209510972U CN 201920062905 U CN201920062905 U CN 201920062905U CN 209510972 U CN209510972 U CN 209510972U
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Abstract
The utility model relates to automotive fields, specifically disclose the driven adjuster and disk brake of a kind of disk brake.The driven adjuster includes self-adjusting mechanism and adjusting sleeve, and the adjusting sleeve, which is equipped with, pulls out the matched accommodating cavity of plate with adjustment, and the adjustment is pulled out in plate insertion adjusting sleeve;The self-adjusting mechanism includes fixed plate and shaft;One end of the shaft is driving end, and the other end is connected with locating piece, and the position in the shaft between locating piece and fixed plate is also arranged with adjustment and pulls out plate, and the adjustment, which is pulled out, is equipped with spring between plate and fixed plate;The outer rim side for pulling out plate that adjusts is equipped with several transmissions protrusions, and the cavity wall of the accommodating cavity is equipped with the groove for matching and axially extending with transmission protrusion, and the transmission is raised to be equipped with elastic component between groove.Above-described driven adjuster realizes the gap adjustment under the driving of active adjuster, and has the function of antioverloading.
Description
Technical field
The utility model relates to automotive fields, and in particular to a kind of driven adjuster 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.
Disk brake after used a period of time, due to the contact friction between friction plate and brake disc, friction plate
Abrasion can be generated, and then the brake clearance between friction plate and brake disc is caused to increase, the increase of brake clearance directly contributes system
Response speed is slack-off when dynamic, will cause brake force deficiency when serious, influences traffic safety.
Authorization Notice No. is that the Chinese utility model patent of CN 2781078Y discloses a kind of mistake of air-pressure disc brake
Protection mechanism is carried, is located in brake drive mandrel, drive mandrel is equipped with and allots set and clutch bearing, the clutch
Shaft is equipped between bearing and drive mandrel, the drive mandrel top is equipped with interior shifting block, and the outside of the interior shifting block is equipped with outer
Shifting block, the outer shifting block can be rotated around interior shifting block.The interior shifting block is connect with inside outer shifting block by spring, the interior shifting block and
Shaft is rolled by steel ball and is connected.The adjustment of automatic backlash may be implemented in the technical solution, while having prevents the adjustment excessive
Effect.
The structure is suitble to the gap adjustment of single axle brake, for twin axle disk brake, in order to ensure gap tune
The synchronism of section is often arranged to main follower mode, and moves in principal and subordinate and be equipped with transmission mechanism between adjuster.Authorization Notice No. is
The Chinese utility model patent of CN 2781079Y discloses a kind of tune gap transmission mechanism of air-pressure disc brake, with chain shape
Formula is moved in principal and subordinate and is driven between gap-adjusting structure, and the consistency of the two gap adjustment is realized.But in that patent to driven
The specific structure of gap adjusting mechanism is not documented, and due to the function between driven gap adjusting mechanism and active gap adjusting mechanism
It has differences, can not apply and actively be adjusted disclosed in the Chinese utility model patent that Authorization Notice No. is CN 2781078Y completely
The scheme of gap mechanism.Therefore, the purpose of this utility model is in view of the above technical problems, to provide a kind of driven gap adjusting mechanism
Concrete scheme.
Summary of the invention
The technical problem to be solved by the present invention is to provide the driven adjusters and disc type brake of a kind of disk brake
Device, driven adjuster therein realizes the gap adjustment under the driving of active adjuster, and has the function of antioverloading.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows: the driven tune of disk brake
Save device, including self-adjusting mechanism and adjusting sleeve;The self-adjusting mechanism includes fixed plate and shaft, and the shaft passes through fixed plate
And it is connect with fixed plate rotary moveable;One end of the shaft is driving end, and the other end is connected with locating piece, determines in the shaft
Position between position part and fixed plate is also arranged with adjustment and pulls out plate, and the adjustment, which is pulled out, is equipped with spring, institute between plate and fixed plate
The one end for stating spring is connect with fixed plate, and the other end compresses adjustment and pulls out plate and locating piece;The adjusting sleeve is equipped with and adjustment
The matched accommodating cavity of plate is pulled out, the adjustment is pulled out in plate insertion accommodating cavity, and the outer rim side for pulling out plate that adjusts is equipped with several
Transmission protrusion, the cavity wall of the accommodating cavity are equipped with the groove for match and axially extending with transmission protrusion, the transmission it is raised and
Elastic component is equipped between groove.
Driven adjuster is connect by fixed plate with brake pedestal, and at work, power is inputted from the driving end of shaft,
Drive shaft is rotated relative to fixed plate.Since plate and locating piece are pulled out in spring compression adjustment, plate is pulled out in adjustment to be rotated with shaft.It adjusts
Whole pull out is rotated between plate and adjusting sleeve by the cooperation of transmission protrusion and groove, and then adjusting sleeve is driven to rotate together.It is logical
It is connected through a screw thread between normal adjusting sleeve and brake pedestal, adjusting sleeve is axially moved while rotation, completes braking
The adjustment in gap.After the completion of brake clearance adjustment, adjusting sleeve can not be axially moved and be rotated, but shaft still rotates,
After shaft turns an angle, the torque of spring is greater than spring and adjusts the contact force pulled out between plate, and plate is pulled out in spring and adjustment
Between relative motion occurs, play prevent overload effect.
In addition, can occur to slide relatively between transmission protrusion and groove due to when gap adjusts, transmission protrusion and groove
Between there are a small amount of gaps.Therefore when gap adjusts, it may appear that the problems such as response speed is slow, brake operating lengthening distance.
The time that whole process works when automobile emergency brake is shorter, and above-mentioned response speed is slow and operating distance lengthens brought delay, can
Great influence can be had.Increase elastic component between drive lugs and groove, is guaranteeing to slide between drive lugs and groove
Under the premise of performance, gap between the two is eliminated, the corresponding speed of brake clearance adjustment is accelerated, improves braking system
Whole security performance.
Preferably, the elastic component is the elastic cushion that transmission convex surfaces are arranged in.
Preferably, the elastic cushion with a thickness of 0.5 ~ 1.2mm.
Preferably, the elastic component is that the elastic strip for being driven raised side is arranged in.
Preferably, the section of the elastic strip is rounded, and diameter is 2 ~ 3mm.
Preferably, the elastic component is made of rubber.
Preferably, the adjusting sleeve is connected with push plate far from one end rotary moveable of self-adjusting mechanism, increase is played in push plate
Contact area.Improve the effect of transmission stability.
Preferably, the position that the shaft upper spring and adjustment is pulled out between plate is also arranged with support sleeve, the support
One end of set is connect with spring, and plate sliding contact is pulled out in the other end and adjustment.Support sleeve passes between plate for pulling out in spring and adjustment
Graduating power, since support sleeve and adjustment are pulled out, contact surface between plate is larger, and it is more equal in each pressing force received upwards that plate is pulled out in adjustment
It is even.
A kind of disk brake, including brake pedestal, the brake pedestal is equipped with active adjuster and as above
The driven adjuster, is equipped with transmission mechanism between the active adjuster and driven adjuster, the active is adjusted
Device is connected by the driving end of transmission mechanism and shaft, and driven adjuster is driven to work asynchronously with active adjuster.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of self-adjusting mechanism in the driven adjuster of the present embodiment disk brake;
Fig. 2 is the structural schematic diagram of adjusting sleeve in the driven adjuster of the present embodiment disk brake;
Fig. 3 is the half sectional view of adjusting sleeve in the driven adjuster of the present embodiment disk brake;
Fig. 4 is the A-A view of Fig. 2;
Fig. 5 is the structural schematic diagram that plate is pulled out in adjustment in the driven adjuster of utility model first embodiment;
Fig. 6 is the structural schematic diagram that plate is pulled out in adjustment in the driven adjuster of utility model second embodiment;
Fig. 7 is the structural schematic diagram 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 one
As shown in Figure 1, the driven adjuster of disk brake, including self-adjusting mechanism and adjusting sleeve 18, the adjusting sleeve 18
One end rotary moveable far from self-adjusting mechanism is connected with push plate 181, and increase contact area is played in push plate 181.Improve stable drive
The effect of property.
As Figure 1-Figure 4, the self-adjusting mechanism includes fixed plate 15 and shaft 16, and the shaft 16, which passes through, fixes
Plate 15 is simultaneously connect with 15 rotary moveable of fixed plate;One end of the shaft 16 is driving end 14, and the other end is connected with locating piece 17,
Position in the shaft 16 between locating piece 17 and fixed plate 15 is also arranged with adjustment and pulls out plate 11, the adjustment pull out plate 11 with
Spring 13 is equipped between fixed plate 15, one end of the spring 13 is connect with fixed plate 15, and the other end compresses adjustment and pulls out 11 for He of plate
Locating piece 17.The adjusting sleeve 18, which is equipped with, pulls out the matched accommodating cavity 183 of plate 11 with adjustment, and the insertion of plate 11 is pulled out in the adjustment
In accommodating cavity 183,16 upper spring 13 of shaft and the position pulled out between plate 11 of adjustment are also arranged with support sleeve 12, the branch
One end of support set 12 is connect with spring 13, and 11 sliding contact of plate is pulled out in the other end and adjustment.Support sleeve 12 is used in spring 13 and adjusts
Whole pull out transmits power between plate 11, and since support sleeve 12 and adjustment are pulled out, contact surface between plate 11 is larger, and adjustment pulls out plate 11 each
The pressing force received upwards is more evenly.
As shown in Figure 4 and Figure 5, the outer rim side for pulling out plate 11 that adjusts is equipped with several transmissions protrusions 112, the accommodating
The cavity wall of chamber 183 is equipped with the groove 182 for matching and axially extending with transmission protrusion 112, the transmission protrusion 112 and groove
Elastic component is equipped between 182.The elastic component is preferably arranged on the elastic cushion 111 for being driven raised 112 surfaces.The elasticity
Pad 111 with a thickness of 0.5 ~ 1.2mm.The elastic component is made of rubber.
Driven adjuster 1 is connect by fixed plate 15 with brake pedestal 2, at work, driving of the power from shaft 16
14 input of end, drive shaft 16 are rotated relative to fixed plate 15.Plate 11 and locating piece 17 are pulled out since spring 13 compresses adjustment, is adjusted
Pulling out plate 11 can rotate with shaft 16.Adjustment pull out between plate 11 and adjusting sleeve 18 by transmission protrusion 112 and groove 182 cooperation into
Row rotation, and then adjusting sleeve 18 is driven to rotate together.It is connected through a screw thread, adjusts between usual adjusting sleeve 18 and brake pedestal 2
The whole series 18 are axially moved while rotation, complete the adjustment of brake clearance.After the completion of brake clearance adjustment, adjustment
Set 18 can not be axially moved and be rotated, but shaft 16 still rotates, after shaft 16 turns an angle, the torsion of spring 13
Square is greater than spring 13 and adjusts the contact force pulled out between plate 11, and spring 13 and adjustment pull out and relative motion occur between plate 11, play
Prevent the effect of overload.
In addition, can occur to slide relatively between transmission protrusion 112 and groove 182 due to when gap adjusts, transmission protrusion
There are a small amount of gaps between 112 and groove 182.Therefore when gap adjusts, it may appear that response speed is slow, brake operating distance
The problems such as lengthening.The time that whole process works when automobile emergency brake is shorter, and above-mentioned response speed is slow and operating distance lengthens institute's band
The delay come, might have great influence.Increase elastic component between drive lugs and groove 182, guarantees drive lugs
Between groove 182 under the premise of sliding capability, gap between the two is eliminated, accelerates the corresponding speed of brake clearance adjustment
Degree, improves the security performance of braking system entirety.
Embodiment two
Compared with embodiment one, as shown in fig. 6, the present embodiment the difference is that, the elastic component be setting exist
It is driven the elastic strip 113 of raised 112 sides, in transmission, the transmission protrusion 112 and the surface that groove 182 compresses are front end
Face, the surface away from front end face are or hold that the rear end face of transmission protrusion 112 is arranged in the elastic strip 113.The elastic strip
113 section is rounded, and diameter is 2 ~ 3mm.
As shown in fig. 7, a kind of disk brake, including brake pedestal 2, the brake pedestal 2 are equipped with actively
Adjuster 3 and driven adjuster 1 as described above, are equipped with drive mechanism between the active adjuster 3 and driven adjuster 1
4, the active adjuster 3 is connect by drive mechanism 4 with the driving end 14 of shaft 16, and drives driven adjuster 1 and master
Dynamic adjuster 3 works asynchronously.
The driven adjuster of above-described disk brake realizes the gap adjustment under the driving of active adjuster, and
And has the function of antioverloading.
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 (9)
1. the driven adjuster of disk brake, it is characterised in that: including self-adjusting mechanism and adjusting sleeve (18);The self-regulated machine
Structure includes fixed plate (15) and shaft (16), the shaft (16) pass through fixed plate (15) and with fixed plate (15) rotary moveable
Connection;One end of the shaft (16) is driving end (14), and the other end is connected with locating piece (17), positions on the shaft (16)
Position between part (17) and fixed plate (15) is also arranged with adjustment and pulls out plate (11), and plate (11) and fixed plate are pulled out in the adjustment
(15) spring (13) are equipped between, one end of the spring (13) is connect with fixed plate (15), and the other end compresses adjustment and pulls out plate
(11) and locating piece (17);The adjusting sleeve (18), which is equipped with, pulls out plate (11) matched accommodating cavity (183) with adjustment, described
Adjustment is pulled out in plate (11) insertion accommodating cavity (183), and the outer rim side for pulling out plate (11) that adjusts is equipped with several transmission protrusions
(112), the cavity wall of the accommodating cavity (183) is equipped with the groove (182) for matching and axially extending with transmission raised (112), institute
It states and is equipped with elastic component between transmission raised (112) and groove (182).
2. driven adjuster according to claim 1, it is characterised in that: the elastic component is setting in transmission protrusion
(112) elastic cushion (111) on surface.
3. driven adjuster according to claim 2, it is characterised in that: the elastic cushion (111) with a thickness of 0.5 ~
1.2mm。
4. driven adjuster according to claim 1, it is characterised in that: the elastic component is setting in transmission protrusion
(112) elastic strip (113) of side.
5. driven adjuster according to claim 4, it is characterised in that: the section of the elastic strip (113) is rounded, and
Diameter is 2 ~ 3mm.
6. driven adjuster according to any one of claims 1-5, it is characterised in that: the elastic component uses rubber system
Make.
7. driven adjuster according to any one of claims 1-5, it is characterised in that: the adjusting sleeve (18) is far from certainly
One end rotary moveable of regulating mechanism is connected with push plate (181).
8. driven adjuster according to any one of claims 1-5, it is characterised in that: described shaft (16) upper spring
(13) it pulls out the position between plate (11) with adjustment and is also arranged with support sleeve (12), one end and spring (13) of the support sleeve (12)
Plate (11) sliding contact is pulled out in connection, the other end and adjustment.
9. a kind of disk brake, including brake pedestal (2), it is characterised in that: the brake pedestal (2) is equipped with master
Dynamic adjuster (3) and as driven adjuster (1) of any of claims 1-8, the active adjuster (3) and from
Transmission mechanism (4) are equipped between dynamic adjuster (1), the active adjuster (3) passes through transmission mechanism (4) and shaft (16)
End (14) connection is driven, and driven adjuster (1) is driven to work asynchronously with active adjuster (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920062905.XU CN209510972U (en) | 2019-01-15 | 2019-01-15 | The driven adjuster and disk brake of disk brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920062905.XU CN209510972U (en) | 2019-01-15 | 2019-01-15 | The driven adjuster and disk brake of disk brake |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209510972U true CN209510972U (en) | 2019-10-18 |
Family
ID=68200795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920062905.XU Active CN209510972U (en) | 2019-01-15 | 2019-01-15 | The driven adjuster and disk brake of disk brake |
Country Status (1)
Country | Link |
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CN (1) | CN209510972U (en) |
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2019
- 2019-01-15 CN CN201920062905.XU patent/CN209510972U/en active Active
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