CN201056207Y - Brake cylinder with parking vehicle disk brake - Google Patents
Brake cylinder with parking vehicle disk brake Download PDFInfo
- Publication number
- CN201056207Y CN201056207Y CNU2007200384670U CN200720038467U CN201056207Y CN 201056207 Y CN201056207 Y CN 201056207Y CN U2007200384670 U CNU2007200384670 U CN U2007200384670U CN 200720038467 U CN200720038467 U CN 200720038467U CN 201056207 Y CN201056207 Y CN 201056207Y
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- nut
- piston
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- head
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Abstract
A braking cylinder with a parking vehicle disc-type braker comprises: a cylinder body, an adjusting bolt to screw inside the cylinder body, a nut connected with the adjusting bolt through the screw, and a piston in the lower part of the cylinder body; the nut head is provided with a conic surface; the conic surface match the conic surface on the piston bottom; a through-hole is arranged at the center of the piston; the through-hole is provided with an adjustment sleeve sleeved on the lower part of the adjusting bolt and fixed to connect with the nut; the head of the adjustment sleeve is provided with a screw counter bore head. The central through-hole in the utility model of the braking cylinder piston is provided with an adjustment sleeve fixed onto the nut, so that, when production and maintenance are performed, it is not necessary to rotate the piston integrally, but screw the adjustment sleeve through adjustment the counter hole head on the sleeve head before driving the nut to rotate; thus, the nut can move downward along the adjusting bolt to push the piston out of the end surface of the cylinder body, so as to meet the requirements of assembling and adjustment; moreover, the structure of the braking cylinder can fulfill more convenient, smoother and more effective operation in overhaul for the braker.
Description
Technical field
The utility model relates to a kind of brake cylinder with the Parking automotive disc brake, belongs to the car brake technical field.
Background technology
Plate disc brake is compared with drum brake mechanism, and following advantage is arranged: general do not have friction and help the gesture effect, thereby brake efficiency is subjected to the influence of friction coefficient less, and promptly usefulness is more stable; Immersion back usefulness reduces less, and need only can recover normal through twice braking; Under the identical situation of output lock torque, size and fair less; Brake disc is minimum along the thermal expansion amount of thickness direction, can not make the obvious increase of brake clearance and cause brake-pedal travel excessive as the het expansion of brake wheel; Be easier to realize automatic play compensation, other maintenance repair works are also easier.For caliper disk brake, because brake disc exposes, the good advantage of dispelling the heat in addition.
Along with developing of automobile industry, plate disc brake has been widely used in car, most as front-wheel brake, and cooperate with the drum brake mechanism of trailing wheel, in the hope of automobile the directional balance of higher glancing impact is arranged, on some exotic performance cars, be used for whole wheels, on lorry, plate disc brake also has employing, but also has suitable distance from popularizing.The use of plate disc brake is trend of the times in a word, and parking system is stagnation of movement rear defence on-slip slide, uphill starting, and service brake usefulness lost efficacy, and use temporarily the back or the cooperation running brake carries out emergency braking.Now a lot of parking system have been fused in the plate disc brake a shared brake cylinder.
In the prior art, brake cylinder mainly comprises cylinder body, oil duct, piston, has one to adjust screw rod and cooresponding nut in the cylinder body, the nut head is provided with a conical surface, this conical surface contacts with the conical surface of piston base, so as to promoting piston pressing friction sheet, reaches the purpose of service brake and braking during standstill.But at present there is assembling in brake cylinder, adjusts inconvenient problem when producing and safeguarding, be mainly reflected in some: 1, the piston volume is bigger, need utilize special tool that the piston unitary rotation is taken off, and is very inconvenient, and work capacity is big; 2, be provided with seal ring between piston and the cylinder body, the rotating piston difficulty, and damage the sealing circle easily; 3, cylinder base is provided with dust boot and seal ring, when rotating piston, is subject to destruction.
Summary of the invention
Technical problem to be solved in the utility model is, overcome the shortcoming of prior art, a kind of brake cylinder with the Parking automotive disc brake is provided, and the brake cylinder of this plate disc brake takes off piston in assembling, convenient, quick when adjusting and need not unitary rotation.
The technical scheme that its technical matters that solves the utility model adopts is as follows: a kind of brake cylinder with the Parking automotive disc brake, its composition comprises: cylinder body, rotation is fixed on the adjustment screw rod in the cylinder body, adjust screw flight bonded assembly nut with this, and the piston that is positioned at inferior part of the cylinder block, the head of described nut is provided with a conical surface, this conical surface matches with the conical surface of piston base, it is characterized in that: described piston central authorities have a through hole, be provided with one in this through hole and be enclosed within the adjustment cover of adjusting the screw rod bottom and captiveing joint with nut, described adjustment cover head has the rotation countersunk head.
The brake cylinder of aforesaid band Parking automotive disc brake, fix bossed shipping and reselling on another market with adjustment cover afterbody junction on the described nut, the afterbody of adjustment cover offers the hole of shipping and reselling on another market with the described free-running fit of shipping and reselling on another market, and adjusts cover and nut by this both synchronous rotation of realization of shipping and reselling on another market;
The brake cylinder of aforesaid band Parking automotive disc brake, the head of described nut is fixedly connected with a back-up ring with adjustment cover junction, described back-up ring and adjust between the cover afterbody and be provided with packing ring is adjusted cover and is realized and in the axial direction fixing of nut by described back-up ring, packing ring;
The brake cylinder of aforesaid band Parking automotive disc brake is provided with seal ring between described adjustment cover and the piston;
The brake cylinder of aforesaid band Parking automotive disc brake, the rotation countersunk head on described adjustment cover top are a kind of in regular hexagon, square, " ten " font or " one " font;
The brake cylinder of aforesaid band Parking automotive disc brake is provided with seal ring between described cylinder body and the piston.
The beneficial effects of the utility model are as follows: be provided with in the piston center through hole of the utility model brake cylinder and the fixing adjustment cover of nut, produce and when safeguarding, do not need the unitary rotation piston, only need rotate the adjustment cover by the rotation countersunk head of adjusting the cover head, thereby drive the nut rotation, make nut along adjusting that screw rod moves downward and piston being ejected the end face of cylinder body, reach the requirement of assembling, adjustment; The structure of this brake cylinder makes the maintenance of drg convenient, quick, efficient.
Description of drawings
Fig. 1 is the brake structural scheme drawing with brake cylinder of the utility model band Parking automotive disc brake.
The specific embodiment
With reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in further detail.But the utility model is not limited to given example.
As shown in Figure 1, be the drg of brake cylinder, adjust screw rod 1, mounting ring 2, retracing spring 3, spring perch 4, back-up ring 5, nut 6, wavy spring 7, surface bearing 8, seal ring 9, seal ring 10, seal ring 11 among the figure, adjust cover 12, piston 13, dust boot 14, back-up ring 15, packing ring 16, ship and resell on another market 17, packing ring 18, back-up ring 19, cylinder body 20, oil duct 21, lever 22, rotate countersunk head 23, through hole 24, the hole 25 of shipping and reselling on another market with the utility model band Parking automotive disc brake.The brake cylinder of the utility model band Parking automotive disc brake, its composition comprises: cylinder body 20, rotation are fixed on adjustment screw rod 1, nut 6 that is threaded with this adjustment screw rod 1 in the cylinder body 20 and the piston 13 that is positioned at cylinder body 20 bottoms, the head of nut 6 is provided with a conical surface, this conical surface matches with the conical surface of piston 6 bottoms, piston 6 central authorities have a through hole 24, be provided with one in this through hole 24 and be enclosed within the adjustment cover 12 of adjusting screw rod 1 bottom and captiveing joint with nut 6, described adjustment is overlapped 12 heads and is had the countersunk head 23 of rotation.
Among the embodiment as shown in Figure 1, on the nut 6 with adjust that cover 12 afterbody junctions are fixing bossedly ships and resell on another market 17, the afterbody of adjustment cover 12 offers the hole 25 of shipping and reselling on another market with described 17 free-running fits of shipping and reselling on another market, and adjusts cover 12 and nut 6 by these 17 both synchronous rotations of realization of shipping and reselling on another market; The head of nut is fixedly connected with a back-up ring 15 with adjusting the cover junction, and described back-up ring 15 is provided with packing ring 16 with adjusting between cover 12 afterbodys, adjusts cover 12 and realizes by back-up ring 15, packing ring 16 and nut 6 fixing in the axial direction; Adjust between cover 12 and the piston 13 and be provided with seal ring 10,11; The rotation countersunk head 23 of adjusting cover 12 tops in the present embodiment is a regular hexagon, also can adopt a kind of in square, " ten " font or " one " font.
As shown in Figure 1, adjusting screw rod 1 is coarse-pitch bull double-screw bolt, retracing spring 3 is enclosed within outside this adjustment screw rod 1, retracing spring 3 is awl springs, its vertex of a cone one end is connected with adjustment screw rod 1 head, and the awl end one end is connected with cylinder body 20 by spring perch 4, is provided with seal ring 9 between cylinder body 20 and the piston 13, between piston 13 and the cylinder body 20 dust boot 14 is installed, the dust of output enters brake cylinder when being used to stop brake.
During braking during standstill, pull lever 22, the braking during standstill eccentric wheel that is connected adjustment screw rod 1 head is withstood adjust screw rod 1, drive nut 6 and make axial motion, utilize the conical surface that is provided with on the nut 6 to contact with the conical surface of piston 13 inboards, so as to promoting piston 13 pressing friction sheets, reach the purpose of braking during standstill; During drag, braking liquid enters brake cylinder by oil duct 21, promotes piston 13 pressing friction sheets, reaches the purpose of drag.
When assembling or maintenance, requirement adjustment piston 13 stretches out cylinder hole end surface A, only needs to adjust cover 12 by 23 rotations of rotation countersunk head, nut 6 is rotated also move vertically, thereby drive piston 13 motions and stretch out the cylinder pore cross section, and do not need unitary rotation piston 13.
Claims (6)
1. be with the brake cylinder of Parking automotive disc brake, its composition comprises: cylinder body, rotation be fixed on adjustment screw rod in the cylinder body, with this adjustment screw flight bonded assembly nut and the piston that is positioned at inferior part of the cylinder block, the head of described nut is provided with a conical surface, this conical surface matches with the conical surface of piston base, it is characterized in that: described piston central authorities have a through hole, be provided with one in this through hole and be enclosed within the adjustment cover of adjusting the screw rod bottom and captiveing joint with nut, described adjustment cover head has the rotation countersunk head.
2. the brake cylinder of band Parking automotive disc brake according to claim 1, it is characterized in that: fix bossed shipping and reselling on another market with adjustment cover afterbody junction on the described nut, the afterbody of adjustment cover offers the hole of shipping and reselling on another market with the described free-running fit of shipping and reselling on another market, and adjusts cover and nut by this both synchronous rotation of realization of shipping and reselling on another market.
3. the brake cylinder of band Parking automotive disc brake according to claim 1 and 2, it is characterized in that: the head of described nut is fixedly connected with a back-up ring with adjustment cover junction, described back-up ring and adjust between the cover afterbody and be provided with packing ring is adjusted cover and is realized and in the axial direction fixing of nut by described back-up ring, packing ring.
4. the brake cylinder of band Parking automotive disc brake according to claim 3 is characterized in that: be provided with seal ring between described adjustment cover and the piston.
5. the brake cylinder of band Parking automotive disc brake according to claim 3 is characterized in that: the rotation countersunk head on described adjustment cover top is a kind of in regular hexagon, square, " ten " font or " one " font.
6. the brake cylinder of band Parking automotive disc brake according to claim 3 is characterized in that: be provided with seal ring between described cylinder body and the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200384670U CN201056207Y (en) | 2007-07-10 | 2007-07-10 | Brake cylinder with parking vehicle disk brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200384670U CN201056207Y (en) | 2007-07-10 | 2007-07-10 | Brake cylinder with parking vehicle disk brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201056207Y true CN201056207Y (en) | 2008-05-07 |
Family
ID=39425053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200384670U Expired - Fee Related CN201056207Y (en) | 2007-07-10 | 2007-07-10 | Brake cylinder with parking vehicle disk brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201056207Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653750A (en) * | 2021-08-04 | 2021-11-16 | 一汽解放汽车有限公司 | Disc brake and car |
-
2007
- 2007-07-10 CN CNU2007200384670U patent/CN201056207Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653750A (en) * | 2021-08-04 | 2021-11-16 | 一汽解放汽车有限公司 | Disc brake and car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BREMBO (NANJING) BRAKE SYSTEMS CO., LTD. Free format text: FORMER OWNER: NANJING YUEJIN BRAKING SYSTEM FOR AUTOMOBILE CO., LTD. Effective date: 20110504 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210014 NO. 23, XIAOLINGWEI STREET, XUANWU DISTRICT, NANJING CITY, JIANGSU PROVINCE TO: 210028 NO. 23, XIAOLINGWEI STREET, XUANWU DISTRICT, NANJING CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110504 Address after: 210028 No. 23 Xiaolingwei street, Xuanwu District, Jiangsu, Nanjing Patentee after: Brembo (Nanjing) Brake System Co.,Ltd. Address before: 210014 No. 23 Xiaolingwei street, Xuanwu District, Jiangsu, Nanjing Patentee before: Nanjing Yuejin Braking System for Automobile Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20130710 |