CN204140707U - A kind of disk type braker - Google Patents
A kind of disk type braker Download PDFInfo
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- CN204140707U CN204140707U CN201420449260.2U CN201420449260U CN204140707U CN 204140707 U CN204140707 U CN 204140707U CN 201420449260 U CN201420449260 U CN 201420449260U CN 204140707 U CN204140707 U CN 204140707U
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- brake
- swivel nut
- piston
- disk type
- type braker
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Abstract
The utility model discloses a kind of disk type braker, solve existing disk type braker because brake pad and brake disc are because of permanent friction generation gap, affect the technical problem of its braking effect, brake pad of the present utility model and brake disc friction comprise brake calipers, brake disc and brake pad, brake calipers is provided with piston assembly, the action of driven plunger assembly promotes hydraulic system and the drive assembly that brake pad compresses brake disc, drive assembly passes brake calipers and is connected with brake arm, piston assembly comprises piston and adjustment swivel nut, drive assembly comprises the adjustment screw rod be threaded with adjustment swivel nut, piston is provided with the piston cavity connecting adjustment screw rod, piston cavity is provided with the step of corresponding adjustment swivel nut, swivel nut will be adjusted spacing in step by spacing back-up ring, being provided with between adjustment swivel nut and spacing back-up ring can the swelling assembly of extrusion-deformation.The utility model is applied to automobile brake.
Description
[technical field]
The utility model relates to a kind of braking mechanism.
[background technique]
Parking braking is also called the park in parking brake or automatic transmission, its effect be exactly when parking to automobile resistance, make automobile not slip car.Parking Brake is divided into drum brake and disk type braker, and disk type braker, relative to drum type parking brake, has that volume is little, lightweight, an advantage such as good heat dissipation, safe and reliable, easy care, and good, the anti-character of heat-fading of insensitivity is strong.Therefore disk type braker is applied more and more extensive on car field, and progressively substitute drum brake, meanwhile, relative to drum brake, the requirement of disk type braker in design, frock, manufacturing etc. is also higher.Disk type braker is when service brake, promote piston to move towards friction plate, promotion brake pad and brake disc friction are braked, brake pad and brake disc wear produce gap, but after using for a long time, gap constantly increases, brake calipers is caused to produce braking weakness, the defects such as parking stroke is excessive, parking inefficacy.
[summary of the invention]
The technical problem that the utility model solves is to provide a kind of disk type braker, and can adjust the gap of eliminating wearing and tearing and producing, braking effect is excellent.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of disk type braker, comprise brake calipers, brake disc and brake pad, described brake calipers is provided with piston assembly, the action of driven plunger assembly promotes hydraulic system and the drive assembly that brake pad compresses brake disc, described drive assembly passes brake calipers and is connected with brake arm, described piston assembly comprises piston and adjustment swivel nut, described drive assembly comprises the adjustment screw rod be threaded with adjustment swivel nut, described piston is provided with the piston cavity connecting adjustment screw rod, described piston cavity is provided with the step of corresponding adjustment swivel nut, swivel nut will be adjusted spacing in step by spacing back-up ring, being provided with between described adjustment swivel nut and spacing back-up ring can the swelling assembly of extrusion-deformation.
Further, described swelling assembly comprises and is pressed on wavy spring between described adjustment swivel nut and spacing back-up ring.
Further, be provided with thrust ball bearing between described wavy spring and adjustment swivel nut, between described thrust ball bearing and wavy spring, be provided with pad.
Further, described adjustment swivel nut is extended with the convex axle with spacing back-up ring cross-under towards described spacing back-up ring direction, and described thrust ball bearing, pad and wavy spring are set on described convex axle.
Further, the periphery of described adjustment swivel nut and step are provided with the conical surface matched.
Further, described adjustment screw rod connects described brake arm by steel ball seat, the bottom of described brake calipers is provided with the mounting hole connecting described steel ball seat, described adjustment screw rod comprises the boss relative with steel ball seat, by circlip by spacing for described boss in described mounting hole, be provided with return spring between described circlip and boss.
Further, the opposing side of described boss and steel ball seat is provided with circle and the chute of highly circumferentially gradual change, is provided with steel ball component in described chute.
Further, described piston is provided with lug boss towards described mounting hole side, is provided with corresponding inclined-plane between described lug boss and relative mounting hole, and the madial wall of described mounting hole is provided with the circular groove connecting described circlip.
Further, the periphery of described boss is provided with guiding groove vertically, and described brake calipers is provided with the bounding means connecting described guiding groove.
Further, the inwall of described mounting hole is provided with the tapped hole relative with described guiding groove, and described bounding means is the stop screw in connecting thread hole.
The beneficial effects of the utility model:
Disk type braker of the present utility model, brake disc and brake pad are because of behind wearing and tearing generation gap, pressurizeed by hydraulic system, driven plunger is towards brake pad action, and it is fixing for now adjusting screw rod, the transverse shifting of adjustment swivel nut is pind down, after adjustment swivel nut and spacing back-up ring extruding swelling assembly produce gap, adjustment swivel nut along adjustment screw drive, can move a certain distance towards brake pad the gap compensating generation, ensure that parking is stable, reliable, extend the working life of disk type braker.
These features of the present utility model and advantage will embodiment below, exposure detailed in accompanying drawing.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is the structural representation of piston assembly in the utility model;
Fig. 4 is the structural representation of piston assembly in the utility model;
Fig. 5 is the partial enlarged drawing at I place in Fig. 1.
[embodiment]
The utility model provides a kind of disk type braker, comprise brake calipers, brake disc and brake pad, brake calipers is provided with piston assembly, the action of driven plunger assembly promotes hydraulic system and the drive assembly that brake pad compresses brake disc, drive assembly passes brake calipers and is connected with brake arm, piston assembly comprises piston and adjustment swivel nut, drive assembly comprises the adjustment screw rod be threaded with adjustment swivel nut, piston is provided with the piston cavity connecting adjustment screw rod, piston cavity is provided with the step of corresponding adjustment swivel nut, swivel nut will be adjusted spacing in step by spacing back-up ring, being provided with between adjustment swivel nut and spacing back-up ring can the swelling assembly of extrusion-deformation.Can eliminate the gap that wearing and tearing produce, solve because backlash compensation easy generation braking not in place is weak, the demoulding in prior art, parking stroke is excessive, the problem of parking instability.
The technological scheme of accompanying drawing to the utility model embodiment below in conjunction with the utility model embodiment is explained and illustrated, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in mode of execution, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to protection domain of the present utility model.
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 5, shown a kind of disk type braker, comprise brake calipers 1, brake disc 12 and brake pad 11, brake calipers 1 is provided with piston assembly, the action of driven plunger assembly promotes hydraulic system and the drive assembly that brake pad 11 compresses brake disc 12, drive assembly passes brake calipers 1 and is connected with brake arm 61, brake arm 61 connects the fixing Returnning spring 62 in one end and drag-line, piston assembly comprises piston 2 and adjustment swivel nut 8, drive assembly comprises the adjustment screw rod 3 be threaded with adjustment swivel nut 8, piston 2 is provided with the piston cavity 21 connecting adjustment screw rod 3, adjustment screw rod 3 head is provided with tapped hole, tapped hole connects sealing bolt 32, sealing bolt 32 is socketed O-ring seals 33, O-ring seals 33 is interference fitted in piston cavity endoporus, piston cavity 21 is provided with the step 22 of corresponding adjustment swivel nut 8, swivel nut 8 will be adjusted spacing in step 22 by spacing back-up ring 23, being provided with between adjustment swivel nut 8 and spacing back-up ring 23 can the swelling assembly of extrusion-deformation.Brake disc 12 and brake pad 11 are because of behind wearing and tearing generation gap, pressurizeed by hydraulic system, driven plunger 2 is towards brake pad 11 action, it is fixing for now adjusting screw rod 3, the transverse shifting of adjustment swivel nut 8 is pind down and is maintained static, and after swelling assembly extrudes by spacing back-up ring 23, is separated between piston 2 and adjustment swivel nut 8, adjustment swivel nut 8 along the transmission of adjustment screw rod 3, can move a certain distance the gap produced with friction compensation towards brake pad 11.
With reference to figure 3 and Fig. 5, swelling assembly comprise be pressed on adjustment swivel nut 8 and spacing back-up ring 23 between wavy spring 71.The elastic force of wavy spring 71 makes adjustment swivel nut 8 offset with step 22, and wavy spring 71 produces resiliently deformable under larger pressure, is separated between piston 2 and adjustment swivel nut 8, and therefore adjusting swivel nut 8 can along the transmission of adjustment screw rod 3.
For ensureing adjustment swivel nut 8 smoothly along the transmission of adjustment screw rod 3, between wavy spring 71 and adjustment swivel nut 8, being provided with thrust ball bearing 72, between thrust ball bearing 72 and wavy spring 71, being provided with pad 73.
And adjust swivel nut 8 and be extended with the convex axle 81 with the cross-under of spacing back-up ring 23 towards spacing back-up ring 23 direction, thrust ball bearing 72, pad 73 and wavy spring 71 are set on convex axle 81, are convenient to laying and assembling of assembly.
Periphery and the step 22 of above-mentioned adjustment swivel nut 8 are provided with the conical surface matched, and the area of contact that conical surface coordinates is large, and active force is strong, and in backlash compensation process, piston 2 and adjustment swivel nut 8 can depart from fast, completely.
With reference to figure 4 and Fig. 5, adjust screw rod 3 in the utility model and connect brake arm 61 by steel ball seat 4, steel ball seat 4 is connected by interior hexagonal flower pattern stop screw 13 with brake arm 61, the bottom of brake calipers 1 is provided with the mounting hole 16 connecting steel ball seat 4, adjustment screw rod 3 comprises the boss 31 relative with steel ball seat 4, by circlip 14 by spacing for described boss 31 in mounting hole 16, be provided with return spring 15 between circlip 14 and boss 31.Hand-operated master arm 61, then piston 2 action can be driven by drive assembly.
Boss 31 with the opposing side of steel ball seat 4 are provided with circle and the chute of highly circumferentially gradual change, in chute, are provided with steel ball component 5.Brake arm 61 rotates and drives steel ball seat 4 to rotate, and steel ball seat 4 drives steel ball component 5 rotation can promote adjustment screw rod 3 and moves.
With reference to figure 1 and Fig. 5, rotate for preventing adjustment screw rod 3 from producing, be provided with guiding groove 311 vertically at the periphery of boss 31, brake calipers 1 is provided with the bounding means 9 connecting guiding groove 311.
Preferably, the inwall of mounting hole 16 is provided with the tapped hole relative with guiding groove 311, and bounding means 9 is the stop screw in connecting thread hole.
With reference to figure 3 and Fig. 5, piston 2 is provided with lug boss 24 towards mounting hole 16 side, is provided with corresponding inclined-plane between lug boss 24 and relative mounting hole 16, and the madial wall of mounting hole 16 is provided with the circular groove connecting circlip 14.
During assembling:
Screw rod 3 will be adjusted, steel ball seat 4 and steel ball component 5 connect to form drive assembly, piston 2 and adjustment swivel nut 8, spacing back-up ring 23, wavy spring 71, thrust ball bearing 72 and pad 73 are assembled into piston assembly, drive assembly is put into mounting hole 16, wherein steel ball seat 4 passes brake calipers 1 and connects brake arm 61, return spring 15 is put into again in mounting hole 16, circlip 14 is enclosed within after on lug boss 24, adjustment swivel nut 8 is screwed in adjustment screw rod 3, rotate in the process of assembling in piston assembly, the inclined-plane of lug boss 24 and mounting hole 16 matches, circlip 14 is compacted gradually, until when snapping in circular groove, circlip 14 struts, be seated, assembly only need use simple frock, do not need the auxiliary of special tool(s), easy for installation, not only raise the efficiency, also reduce costs.
During work:
Parking braking, parking drag-line pulls brake arm 61, Returnning spring 62 is stretched, brake arm 61 drives steel ball seat 4 to rotate, roll in the chute of steel ball component 5, make adjustment screw rod 3 to left movement, adjustment screw rod 3 compression retracteding position spring 15 also promotes adjustment swivel nut 8 and props up piston assembly to left movement, and piston assembly promotes friction plate and brake disc 12 and rubs and realize braking; After parking drag-line is removed, original position got back to by Returnning spring 62 and return spring 15, and drive piston assembly and drive assembly to reset, parking braking is removed.
Owing to braking rear brake pad 11 and brake disc 12 weares and teares, distance between brake pad 11 and brake disc 12 is increased, cause service brake deleterious, in order to fine compensation rubs the gap produced, when hydraulic braking, hydraulic oil produces pressure in piston cavity 21 and promotes piston 2 to left movement, also adjustment swivel nut 8 is together promoted to left movement by spacing back-up ring 23, after gap between adjustment swivel nut 8 and adjustment screw rod 3 is compensated, piston 2 continues to left movement, wavy spring 71 is compressed, adjustment swivel nut 8 is thrown off with the surface of contact of piston 2, when piston 2 continues to left movement, wavy spring 71 continues compression, now adjust swivel nut 8 to start to rotate along with thrust ball bearing 72, to left movement certain distance, reach the effect in the gap between friction compensation block 11 and brake disc 12.
By above-described embodiment, the purpose of this utility model is reached by fully effective.The personage being familiar with this technology should be understood that the content that the utility model includes but not limited to accompanying drawing and describes in embodiment above.Any amendment not departing from function and structure principle of the present utility model all will comprise within the scope of the appended claims.
Claims (10)
1. a disk type braker, comprise brake calipers, brake disc and brake pad, described brake calipers is provided with piston assembly, the action of driven plunger assembly promotes hydraulic system and the drive assembly that brake pad compresses brake disc, described drive assembly passes brake calipers and is connected with brake arm, it is characterized in that: described piston assembly comprises piston and adjustment swivel nut, described drive assembly comprises the adjustment screw rod be threaded with adjustment swivel nut, described piston is provided with the piston cavity connecting adjustment screw rod, described piston cavity is provided with the step of corresponding adjustment swivel nut, swivel nut will be adjusted spacing in step by spacing back-up ring, being provided with between described adjustment swivel nut and spacing back-up ring can the swelling assembly of extrusion-deformation.
2. a kind of disk type braker according to claim 1, is characterized in that: described swelling assembly comprises and is pressed on wavy spring between described adjustment swivel nut and spacing back-up ring.
3. a kind of disk type braker according to claim 2, is characterized in that: be provided with thrust ball bearing between described wavy spring and adjustment swivel nut, be provided with pad between described thrust ball bearing and wavy spring.
4. a kind of disk type braker according to claim 3, is characterized in that: described adjustment swivel nut is extended with the convex axle with spacing back-up ring cross-under towards described spacing back-up ring direction, and described thrust ball bearing, pad and wavy spring are set on described convex axle.
5. a kind of disk type braker according to claim 1 or 2 or 3 or 4, is characterized in that: periphery and the step of described adjustment swivel nut are provided with the conical surface matched.
6. a kind of disk type braker according to claim 1 or 2 or 3 or 4, it is characterized in that: described adjustment screw rod connects described brake arm by steel ball seat, the bottom of described brake calipers is provided with the mounting hole connecting described steel ball seat, described adjustment screw rod comprises the boss relative with steel ball seat, by circlip by spacing for described boss in described mounting hole, be provided with return spring between described circlip and boss.
7. a kind of disk type braker according to claim 6, is characterized in that: the opposing side of described boss and steel ball seat is provided with circle and the chute of highly circumferentially gradual change, is provided with steel ball component in described chute.
8. a kind of disk type braker according to claim 6, it is characterized in that: described piston is provided with lug boss towards described mounting hole side, be provided with corresponding inclined-plane between described lug boss and relative mounting hole, the madial wall of described mounting hole is provided with the circular groove connecting described circlip.
9. a kind of disk type braker according to claim 6, is characterized in that: the periphery of described boss is provided with guiding groove vertically, described brake calipers is provided with the bounding means connecting described guiding groove.
10. a kind of disk type braker according to claim 9, is characterized in that: the inwall of described mounting hole is provided with the tapped hole relative with described guiding groove, and described bounding means is the stop screw in connecting thread hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449260.2U CN204140707U (en) | 2014-08-11 | 2014-08-11 | A kind of disk type braker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449260.2U CN204140707U (en) | 2014-08-11 | 2014-08-11 | A kind of disk type braker |
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| Publication Number | Publication Date |
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| CN204140707U true CN204140707U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420449260.2U Active CN204140707U (en) | 2014-08-11 | 2014-08-11 | A kind of disk type braker |
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| CN (1) | CN204140707U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299947A (en) * | 2017-06-28 | 2017-10-27 | 无锡英捷汽车科技有限公司 | It is a kind of to increase Cheng Zhusai certainly |
| CN107514433A (en) * | 2017-10-20 | 2017-12-26 | 山东博士乐液压有限公司 | Clipper disk brake |
| CN107795618A (en) * | 2016-08-29 | 2018-03-13 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of checking cylinder clearance adjustment mechanism and checking cylinder |
| CN110094440A (en) * | 2018-01-30 | 2019-08-06 | 山东牛电汽车科技有限公司 | Mechanical disc brake mechanism |
| CN110566602A (en) * | 2019-09-30 | 2019-12-13 | 松阳县吉强机车配件有限公司 | Novel double-sided disc brake |
-
2014
- 2014-08-11 CN CN201420449260.2U patent/CN204140707U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795618A (en) * | 2016-08-29 | 2018-03-13 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of checking cylinder clearance adjustment mechanism and checking cylinder |
| CN107795618B (en) * | 2016-08-29 | 2024-05-03 | 中车戚墅堰机车车辆工艺研究所股份有限公司 | Brake cylinder clearance adjustment mechanism and brake cylinder |
| CN107299947A (en) * | 2017-06-28 | 2017-10-27 | 无锡英捷汽车科技有限公司 | It is a kind of to increase Cheng Zhusai certainly |
| CN107514433A (en) * | 2017-10-20 | 2017-12-26 | 山东博士乐液压有限公司 | Clipper disk brake |
| CN110094440A (en) * | 2018-01-30 | 2019-08-06 | 山东牛电汽车科技有限公司 | Mechanical disc brake mechanism |
| CN110566602A (en) * | 2019-09-30 | 2019-12-13 | 松阳县吉强机车配件有限公司 | Novel double-sided disc brake |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311835 Industrial Zone of Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Wanan Zhiyu Automobile Control System Co.,Ltd. Address before: 311835 Wan'an Science and Technology Park, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG ZHUJI MANPOWER MACHINERY CO.,LTD. |