CN102865321A - Brake calipers with parking braking mechanism - Google Patents
Brake calipers with parking braking mechanism Download PDFInfo
- Publication number
- CN102865321A CN102865321A CN2012103929167A CN201210392916A CN102865321A CN 102865321 A CN102865321 A CN 102865321A CN 2012103929167 A CN2012103929167 A CN 2012103929167A CN 201210392916 A CN201210392916 A CN 201210392916A CN 102865321 A CN102865321 A CN 102865321A
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- braking mechanism
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Abstract
The invention relates to brake calipers with a parking braking mechanism. The brake calipers comprise a brake caliper cylindrical body, a piston assembly, a parking braking mechanism and a parking braking pulling arm which is connected with the parking braking mechanism, wherein the parking braking mechanism comprises a parking shaft, a steel ball, an anti-rotating lining and a parking nut, an arc-shaped groove is arranged on a circumference of the inner wall of the brake caliper cylindrical body, an arc-shaped protrusion is arranged on a circumference of the outer wall of the anti-rotating lining, the arc-shaped protrusion is embedded in the arc-shaped groove, so that the anti-rotating lining can not rotate relative to the brake caliper cylindrical body, but the anti-rotating lining can move downward along a shaft of the brake caliper cylindrical body, the anti-rotating mechanism is not embedded from the outside of the brake caliper cylindrical body and works inside the cylindrical body, no impact force of external force is provided, no leakage risk exists, the safety factor is high, and the performance is reliable. Beside the product structure of the brake calipers is impact.
Description
Technical field
The present invention relates to a kind of brake calipers of automobile brake, specifically, relate to a kind of integrated form brake calipers that has simultaneously parking braking and running braking function.
Background technique
At present, existing brake caliper assy is comprised of brake calipers cylinder body, piston, piston packing and brake pad assembly etc., serves as the function of service brake; When being applied to trailing wheel, owing to lack halting mechanism, so must be used with the mechanism of extra setting, could realize the function of Parking.
Want to realize in brake calipers the function of Parking, the inside of brake calipers need to comprise a halting mechanism, and this halting mechanism is actuated by hand braking cable.
To the brake calipers of above-mentioned employing with halting mechanism, a known case, such as the disclosed a kind of cylinder body of disc-type brake with halting mechanism of Chinese patent CN:01805802.7, in this mechanism, the rotation of hand braking cable pulling cursor, the drive input shaft rotates, have ball on the input shaft and use the ramp, the movable disk that is mated also has the ball of same structure and uses the ramp, and they are arranged in opposite directions, and Metal Ball at the ball in the middle of them with limit embedding between the ramp, input shaft drives Metal Ball and rotates in the ramp at ball, at first in the bottom in ramp, then be elevated to the top of departing from the zone, Metal Ball is in rotation process, movable disk is pushed away initial position, a lock screw part is embedded in and keeps motionless on the brake calipers cylinder body, and another part stretches in the movable disk, and movable disk is when pusheding away from initial position, lock screw has limited its rotation, but sustainable freely axial translation in cylinder body moves thereby promote brake pad assembly, and eliminates brake clearance generation chucking power.
This halting mechanism is with regard to its function, and is still satisfactory.But, there is a problem in technique scheme, lock screw is owing to penetrate the rotation that comes the restraint dish in the cylinder body from the cylinder body outside, because when Parking, movable disk is in the cylinder interior translation and rotation trend is arranged, and can impact lock screw, finally might cause the loosening and generation leakage of lock screw, affect traffic safety, this problem is very troubling.
Summary of the invention
The purpose of this invention is to provide a kind of brake calipers with parking and braking mechanism, to solve the loosening and generation leakage of the existing lock screw of prior art, affect the problem of traffic safety.
A compact structure, and have the brake caliper assy of parking braking function, this brake caliper assy not only has running braking function, and can realize parking braking.
The present invention realizes by following technological means: a kind of brake calipers with parking and braking mechanism, comprise the brake calipers cylinder body, piston be installed in the parking and braking mechanism in the brake calipers cylinder body, the parking braking torque arm that is connected with parking and braking mechanism; Parking and braking mechanism comprises the Parking axle, anti-rotation lining, Parking swivel nut and Parking screw rod; Described Parking axle is pressed against by the anti-rotation lining on the inwall of brake calipers cylinder body, and it is external and be connected with the parking braking torque arm that the top of this Parking axle extends to described Braking clip cylinder; Described Parking swivel nut is arranged on the below of described Parking axle, its top relative with the bottom of this Parking axle is provided with puts the second sloping type inclined-plane raceway steel ball, that cave inward, the place, bottom of Parking axle puts the first sloping type inclined-plane raceway steel ball, that cave inward with this second sloping type inclined-plane raceway over against locating to be provided with, and this steel ball places between this first sloping type inclined-plane raceway and the second sloping type inclined-plane raceway; The top of Parking swivel nut is arranged in the described anti-rotation lining, and remaining part axially arranges spiral compression spring to downward-extension and periphery along the brake calipers cylinder body, and this spiral compression spring arranges on the spring seat, and this spring seat is assemblied on the anti-rotation lining; Described Parking screw rod is arranged on the below of Parking swivel nut, and be connected with multiple thread on this Parking swivel nut inwall by the multiple thread on its outer wall, the below of this Parking screw rod extends to the inboard, below of described piston, its special way is, the inwall circumference of brake calipers cylinder body is provided with arc groove, the outer wall circumference of described anti-rotation lining is provided with arc convex, this arc convex limit is embedded in this arc groove, so that this anti-rotation lining can't rotate relative to the brake calipers cylinder body, but can axially moving down along the brake calipers cylinder body.
The above-mentioned first sloping type inclined-plane raceway and the second sloping type inclined-plane raceway all are circular arc.
The lower end of above-mentioned Parking axle top and parking braking torque arm is riveted together.
According to the invention has the advantages that: rotation-preventing mechanism is not to embed from the Braking clip cylinder external body, but at the internal work of cylinder body, does not have the external impacts effect, not have the risk of leakage fully, and safety coefficient is very high, more reliable performance.Product structure of the present invention is also compacter simultaneously.
Description of drawings
The structure sectional view with the brake calipers of parking and braking mechanism that Fig. 1 provides for one embodiment of the invention.
Fig. 2 is that the first sloping type inclined-plane raceway on the Parking axle cooperates schematic representation with the second sloping type inclined-plane raceway on the Parking swivel nut.
Fig. 3 is that arc convex and the arc groove on the brake calipers cylinder body of anti-rotation lining cooperates schematic representation.
Among the figure: 101. parking braking torque arm; 102. Parking axle; 103. anti-rotation lining; 104. Parking swivel nut; 105. brake calipers cylinder body; 106. Parking screw rod; 107. piston; 108. inside brake block assembly; 109. outer brake pad assembly; 110. steel ball; 111. spiral compression spring; 112. spring seat; 113.A to; 201. the first sloping type inclined-plane raceway; 202. the second sloping type inclined-plane raceway; 301. arc groove; 302. arc convex.
Embodiment
Working principle of the present invention is: when carrying out service brake, step on foot brake pedal, oil pressure enters the brake calipers cylinder body from master cylinder by oil pipe, and pushing piston is mobile outward, makes brake pad assembly clamp brake disc, produces chucking power, thereby realizes service brake.When carrying out parking braking, behind the pulling parking brake, the Parking drag-line drives Parking torque arm rotation, because Parking axle and Parking torque arm are riveted together, the Parking axle also is driven in rotation, Parking axle and Parking swivel nut all are installed in the anti-rotation bush inside, allow the rotation of Parking axle, the boss on the anti-rotation excircle of bushing is fixed in the arc groove of brake calipers cylinder body, can not rotate, and the Parking swivel nut limits and is embedded on the anti-rotation lining, and the Parking swivel nut also can't rotate but can move axially; Sloping type inclined-plane raceway on Parking axle and the Parking swivel nut flanged surface cooperatively interacts, limit therebetween embedding steel ball, when the Parking axle rotates, steel ball also is driven in rotation, because the anti-rotation lining has stoped the rotation of Parking swivel nut, the Parking swivel nut is along the cylinder body axial translation, pushing piston is mobile outward, make brake pad assembly clamp brake disc, produce chucking power, thereby realize parking braking.
The present invention will be further described below in conjunction with drawings and Examples, but the present invention is not caused any restriction.
As shown in Figure 1, a kind of brake calipers with parking and braking mechanism comprises brake calipers cylinder body 105, anti-rotation lining 103, Parking swivel nut 104, Parking screw rod 106, piston 107, and the composition such as Parking axle 102.Brake calipers cylinder body 105 is provided with the oil inlet hole (not shown), links to each other with brake master cylinder with hard tube by Brake hose, is used for being communicated with brake fluid; Brake calipers cylinder body 105 inside include halting mechanism and piston 107, the end face of piston 107 contacts with brake pad assembly 108, another brake pad assembly 109 contacts with the hook of brake calipers cylinder body 105, between two brake pad assemblies circular brake disc (not shown) is arranged, when carrying out service brake, brake fluid enters the brake calipers cylinder body 105 from oil inlet hole, produce hydraulic pressure, it is that A is to movement towards direction shown in 113 that pushing piston 107 drives brake pad assembly 108, float owing to brake calipers cylinder body 105 simultaneously, brake calipers is in mobile, its hook also drives brake pad assembly 109 and moves with respect to opposite direction shown in 113, thereby the clamping brake disc produces braking force, realizes service brake.
Parking axle 102 is installed in brake calipers cylinder body 105 inside, the one end stretches out outside the brake calipers cylinder body 105 and Parking torque arm 101 is riveted together, can be driven by parking braking torque arm 101 and rotate, parking braking torque arm 101 links to each other with Parking handle (not shown) by Parking drag-line (not shown), when pulling Parking handle, parking braking torque arm 101 can be by Parking drag-line driven rotary, because Parking axle 102 and parking braking torque arm 101 are riveted together, when parking braking torque arm 101 rotation, Parking axle 102 also can be driven to rotate.
The flange plate of Parking axle 102 is provided with the sloping type inclined-plane raceway that is comprised of circular curve, Parking swivel nut 104 with matching also is provided with the sloping type inclined-plane raceway of same structure, during assembling, Parking swivel nut 104 is pushed by spiral compression spring 111, and lean against on the Parking axle 102 by steel ball 110, Parking swivel nut 104 is also coated by spring seat 112 simultaneously, spring seat 112 is fixed on the cylindrical of anti-rotation lining 103, make spiral compression spring 111 that certain decrement be arranged, produce pretightening force, make Parking swivel nut 104 keep not loosening in off working state.
Parking swivel nut 104 is provided with multiple thread, cooperates with Parking screw rod 106, also is provided with multiple thread on the Parking screw rod 106.The thread pitch that Parking swivel nut 104 cooperates with Parking screw rod 106 and the pretightening force of spiral compression spring 111, here are not described in detail because this mechanism is known for everybody in the industry from conditioning function from conditioning function considerable influence being arranged.
As shown in Figure 2, the first sloping type inclined-plane raceway the 201, the second sloping type inclined-plane raceway 202 that cooperates between Parking axle 102 and the Parking swivel nut 104 all is comprised of the Curves of skew, steel ball 110 limits are embedded between two raceways, and can only roll and can promote Parking swivel nut 104 in the inside of the first sloping type inclined-plane raceway the 201, second sloping type inclined-plane raceway 202 be that A is to movement toward the direction shown in 113.Therefore, when Parking axle 102 during by Parking torque arm 101 driven rotary, Parking swivel nut 104 can be that A is to movement along direction shown in 113.
As shown in Figure 3, brake calipers cylinder body 105 inwall circumference are provided with the groove 301 of arc, anti-rotation lining 103 outer wall circumference are provided with projection 302, projection 302 limits are embedded in the groove 301, can't rotate relative to brake calipers cylinder body 105, but can along the direction shown in 113 be A to movement, simultaneously spring seat 112 precompressed spiral compression spring 111 and are assemblied on the anti-rotation lining 103; This mechanism is called again rotation-preventing mechanism.
When carrying out parking braking, the Parking drag-line drives parking braking torque arm 101 rotations, because Parking axle 102 and parking braking torque arm 101 are riveted together, also be driven to rotate, Parking swivel nut 104 is under the effect of spiral compression spring 111, nestle up on the Parking axle 102 by steel ball 110, when Parking axle 102 rotates, the first sloping type inclined-plane raceway 201 of steel ball 110 between Parking axle 102 and Parking swivel nut 104, the second sloping type inclined-plane raceway 202 interior rotations, promote 104 motions of Parking swivel nut, because projection 302 limits of anti-rotation lining 103 outer walls are embedded in the arc groove 301 of brake calipers cylinder body 105 inwalls, can not rotate with respect to brake calipers cylinder body 105, simultaneously Parking swivel nut 104 limits are embedded on the anti-rotation lining 103 also can't rotate, but can be that A is to moving axially towards the direction shown in 113, Parking swivel nut 104 and Parking screw rod 106 mesh by multiple thread, screw thread passes to Parking screw rod 106 with the axial displacement of Parking swivel nut 104, and pushing piston 107 moves, thereby make and produce chucking power between the brake pad assembly, clamp brake disc, realize parking braking.
The above embodiments only are the preferred embodiments of the present invention, can not limit interest field of the present invention with this, and therefore, the equivalent variations of doing according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (3)
1. the brake calipers with parking and braking mechanism comprises brake calipers cylinder body (105), piston (107) and the parking braking torque arm (101) that is installed in the interior parking and braking mechanism of brake calipers cylinder body (105), is connected with parking and braking mechanism; Parking and braking mechanism comprises Parking axle (102), anti-rotation lining (103), Parking swivel nut (104) and Parking screw rod (106);
Described Parking axle (102) is pressed against on the inwall of brake calipers cylinder body (105) by anti-rotation lining (103), and the top of this Parking axle (102) extends to outside the described brake calipers cylinder body (105) and with parking braking torque arm (101) and is connected;
Described Parking swivel nut (104) is arranged on the below of described Parking axle (102), its top relative with the bottom of this Parking axle (102) is provided with puts steel ball the second sloping type inclined-plane raceway (202) (110), that cave inward, the place, bottom of Parking axle (102) puts steel ball the first sloping type inclined-plane raceway (201) (110), that cave inward with this second sloping type inclined-plane raceway (202) over against locating to be provided with, and this steel ball (110) places between this first sloping type inclined-plane raceway (201) and the second sloping type inclined-plane raceway (202); The top of Parking swivel nut (104) is arranged in the described anti-rotation lining (103), remaining part axially arranges spiral compression spring (111) to downward-extension and periphery along brake calipers cylinder body (105), this spiral compression spring (111) arranges on the spring seat (112), and this spring seat (112) is assemblied on the anti-rotation lining (103);
Described Parking screw rod (106) is arranged on the below of Parking swivel nut (104), and be connected with multiple thread on this Parking swivel nut (104) inwall by the multiple thread on its outer wall, the below of this Parking screw rod (106) extends to the inboard, below of described piston (107), it is characterized in that: the inwall circumference of described brake calipers cylinder body (105) is provided with arc groove (301), the outer wall circumference of described anti-rotation lining (103) is provided with arc convex (302), this arc convex (302) limit is embedded in this arc groove (301), so that this anti-rotation lining (103) can't rotate relative to brake calipers cylinder body (105), but can axially moving down along brake calipers cylinder body (105).
2. the brake calipers with parking and braking mechanism as claimed in claim 1 is characterized in that: the described first sloping type inclined-plane raceway (201) all is circular arc with the second sloping type inclined-plane raceway (202).
3. the brake calipers with parking and braking mechanism as claimed in claim 1, it is characterized in that: the lower end of described Parking axle (102) top and parking braking torque arm (101) is riveted together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210392916.7A CN102865321B (en) | 2012-10-16 | 2012-10-16 | A kind of brake calipers with parking and braking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210392916.7A CN102865321B (en) | 2012-10-16 | 2012-10-16 | A kind of brake calipers with parking and braking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102865321A true CN102865321A (en) | 2013-01-09 |
| CN102865321B CN102865321B (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392916.7A Expired - Fee Related CN102865321B (en) | 2012-10-16 | 2012-10-16 | A kind of brake calipers with parking and braking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102865321B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421361A (en) * | 2013-08-26 | 2015-03-18 | 株式会社万都 | Disc brake |
| CN104632943A (en) * | 2013-11-07 | 2015-05-20 | 上海汇众汽车制造有限公司 | Disc brake |
| CN105041916A (en) * | 2014-04-28 | 2015-11-11 | 株式会社万都 | Disc brake |
| CN105308349A (en) * | 2013-06-19 | 2016-02-03 | 新日铁住金株式会社 | Parking brake device for railway-vehicle caliper brake device |
| CN105443626A (en) * | 2015-12-29 | 2016-03-30 | 广州中博制动系统有限公司 | Novel ball and disc type driving mechanism for parking calipers |
| CN106246764A (en) * | 2016-08-31 | 2016-12-21 | 浙江力邦合信智能制动系统股份有限公司 | A kind of integrated halting mechanism |
| CN106369084A (en) * | 2016-08-31 | 2017-02-01 | 泛博制动部件（苏州）有限公司 | Assembly technology for improving parking efficiency of caliber |
| CN106828446A (en) * | 2017-02-23 | 2017-06-13 | 中国第汽车股份有限公司 | A kind of disc type central parking brake assembly |
| CN110259853A (en) * | 2019-07-10 | 2019-09-20 | 中国三冶集团有限公司 | It is a kind of to drive a vehicle and parking braking Integral hydraulic clipper disk brake |
| CN113371120A (en) * | 2021-07-09 | 2021-09-10 | 重庆宗申创新技术研究院有限公司 | Parking braking mechanism |
| CN113983165A (en) * | 2021-11-04 | 2022-01-28 | 南方天合底盘系统有限公司 | Disc brake with integrated parking function and parking input and output characteristic calculation method |
| WO2024032349A1 (en) * | 2022-08-08 | 2024-02-15 | 芜湖伯特利汽车安全系统股份有限公司 | Size-reduced brake caliper |
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| CN202851758U (en) * | 2012-10-16 | 2013-04-03 | 广东中博汽车零部件有限公司 | Brake caliper with parking braking mechanism |
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| US3900084A (en) * | 1973-02-23 | 1975-08-19 | Girling Ltd | Improvements in hydraulically and mechanically actuatable brake systems with automatic adjusters |
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| US5263554A (en) * | 1991-05-28 | 1993-11-23 | Bendix Europe Services Techniques | Disk-brake motor subassembly equipped with a mechanical action |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105308349B (en) * | 2013-06-19 | 2017-09-01 | 新日铁住金株式会社 | The holding brake device of rail truck caliper brake device |
| CN105308349A (en) * | 2013-06-19 | 2016-02-03 | 新日铁住金株式会社 | Parking brake device for railway-vehicle caliper brake device |
| CN104421361A (en) * | 2013-08-26 | 2015-03-18 | 株式会社万都 | Disc brake |
| CN104632943A (en) * | 2013-11-07 | 2015-05-20 | 上海汇众汽车制造有限公司 | Disc brake |
| CN105041916A (en) * | 2014-04-28 | 2015-11-11 | 株式会社万都 | Disc brake |
| CN105041916B (en) * | 2014-04-28 | 2017-09-22 | 株式会社万都 | Disk brake |
| CN105443626A (en) * | 2015-12-29 | 2016-03-30 | 广州中博制动系统有限公司 | Novel ball and disc type driving mechanism for parking calipers |
| CN106369084A (en) * | 2016-08-31 | 2017-02-01 | 泛博制动部件（苏州）有限公司 | Assembly technology for improving parking efficiency of caliber |
| CN106246764A (en) * | 2016-08-31 | 2016-12-21 | 浙江力邦合信智能制动系统股份有限公司 | A kind of integrated halting mechanism |
| CN106828446A (en) * | 2017-02-23 | 2017-06-13 | 中国第汽车股份有限公司 | A kind of disc type central parking brake assembly |
| CN110259853A (en) * | 2019-07-10 | 2019-09-20 | 中国三冶集团有限公司 | It is a kind of to drive a vehicle and parking braking Integral hydraulic clipper disk brake |
| CN113371120A (en) * | 2021-07-09 | 2021-09-10 | 重庆宗申创新技术研究院有限公司 | Parking braking mechanism |
| CN113371120B (en) * | 2021-07-09 | 2022-10-25 | 重庆宗申创新技术研究院有限公司 | Parking braking mechanism |
| CN113983165A (en) * | 2021-11-04 | 2022-01-28 | 南方天合底盘系统有限公司 | Disc brake with integrated parking function and parking input and output characteristic calculation method |
| CN113983165B (en) * | 2021-11-04 | 2022-10-14 | 南方天合底盘系统有限公司 | Disc brake with integrated parking function and parking input and output characteristic calculation method |
| WO2024032349A1 (en) * | 2022-08-08 | 2024-02-15 | 芜湖伯特利汽车安全系统股份有限公司 | Size-reduced brake caliper |
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| CN102865321B (en) | 2015-08-12 |
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Effective date of registration: 20170901 Address after: 510000, No. 10, Hefeng street, Yonghe Economic Zone, Guangzhou economic and Technological Development Zone, Guangdong, Guangzhou, 108 Patentee after: GUANGZHOU ZHONGBO BRAKE SYSTEM Co.,Ltd. Address before: 510000, No. 10, Hefeng street, Yonghe Economic Zone, Guangzhou economic and Technological Development Zone, Guangdong Patentee before: GUANGDONG ZHONGBO AUTOMOBILE PARTS CO.,LTD. |
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Granted publication date: 20150812 Termination date: 20211016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |