CN104819229A - Fixed caliper disc brake - Google Patents
Fixed caliper disc brake Download PDFInfo
- Publication number
- CN104819229A CN104819229A CN201510254392.9A CN201510254392A CN104819229A CN 104819229 A CN104819229 A CN 104819229A CN 201510254392 A CN201510254392 A CN 201510254392A CN 104819229 A CN104819229 A CN 104819229A
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- China
- Prior art keywords
- backboard
- curved part
- brake
- friction plate
- fixed caliper
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Abstract
The invention relates to the technical field of auto parts and discloses a fixed caliper disc brake which comprises a brake disc and a pair of calipers fixed on the brake disc. A left friction plate and a right friction plate placed on the two sides of the brake disc respectively are arranged in the pair of calipers, a left back plate and a right back plate are arranged on the outer side of the left friction plate and the outer side of the right friction plate respectively, and a pin shaft sequentially penetrates the two groups of back plates and is connected with the pair of calipers. In addition, a returning spring located between the two groups of back plates is further added; the returning spring comprises a middle connecting part with an opening, the edges of the two sides of the opening are respectively connected with a left bending part and a right bending part for the pin shaft to penetrate, the rear end of the left bending part is connected with a left positioning hook fixed with the left back plate, and the rear end of the right bending part is connected with a right positioning hook fixed with the right back plate. The fixed caliper disc brake can avoid the dragging grinding abrasion between the friction plates and the brake disc and is favorable for improving working performance and service life.
Description
Technical field
The present invention relates to technical field of automobile parts, particularly relate to a kind of disc brake with fixed caliper.
Background technique
In Motor Vehicle Braking Procedure, the generation that rubs of the friction plate of break and brake disc is relied on to provide braking force.Step on brake petal, friction plate clamping brake disc, produces frictional force, realizes braking action, after release brake petal, when being rotated by brake disc, the friction plate at two ends outwards squeezes by beating of end face, friction plate and brake disc are disengaged, thus elimination frictional force, but the mode of this friction plate return can not make friction plate return thorough, friction plate and brake disc will inevitably be caused to there is dawdling to a certain degree, such vehicle is (not braking) when normally travelling, friction plate and brake disc also have certain friction, so long-term, can make friction plate and brake disc wear too fast, working life reduces, simultaneously due to heat fade effect, fricative heat can make brake efficiency reduce, make stopping distance elongated, produce dangerous.
Therefore, those skilled in the art need to improve disc brake with fixed caliper, to solve the above-mentioned problems in the prior art.
Summary of the invention
The object of the present invention is to provide a kind of disc brake with fixed caliper, be convenient to friction plate returning quickly, and return is thorough, prevents friction plate and brake disc from dawdling and weares and teares, to improve braking ability and the working life of break.
To achieve these goals, the invention provides following technological scheme:
A kind of disc brake with fixed caliper, comprise brake disc and be fixed on the clamp on described brake disc, the left friction plate of the described brake disc both sides that are placed in and right friction plate is provided with in described clamp, the outside of described left friction plate is respectively equipped with left backboard, the outside of described right friction plate is provided with right backboard, bearing pin passes above-mentioned two groups of backboards successively and is connected with described clamp, return spring is provided with between above-mentioned two groups of backboards, described return spring comprises the middle interconnecting piece with an opening, the both sides of the edge of described opening are connected to the left curved part and right curved part that pass for described bearing pin, the rear end of described left curved part is connected with the left location hook fixing with described left backboard, described right curved part rear end is connected with the right location hook fixing with described right backboard.
Preferably, be provided with between described left curved part with described left location hook and abut with the top end face of described left backboard the left lug compressed; Be provided with between described right curved part with described right location hook and abut with the top end face of described right backboard the right lug compressed.
Preferably, under assembling condition, the height difference of described left lug and described left curved part minimum point is less than the distance between the top end face of described left backboard and described bearing pin lower camber side; And the height difference of described right lug and described right curved part minimum point is less than the distance between the top end face of described right backboard and described bearing pin lower camber side.
Preferably, described left lug is semicircle, and its radius is not less than the width of described left backboard top end face; Described right lug is semicircle, and its radius is not less than the width of described right backboard top end face.
Preferably, under non-brake state, the spacing between described left location hook and described right location hook is greater than the distance between described left backboard and described right backboard.
Preferably, described middle interconnecting piece is " V " font, and its drift angle is 48 ° ~ 63 °.
Preferably, the top of described middle interconnecting piece tilts to the direction away from described brake disc, and tilting angle is greater than 0 ° and is less than 90 °.
Preferably, described return spring is integrated bending forming structure.
Preferably, described left curved part is that the left distal end of described middle interconnecting piece bends to the direction away from described opening the arcuate structure extended to form.
Preferably, described right curved part is that the right end of described middle interconnecting piece coordinates the loop configuration of the reducing formed to described opening inner bending with the right edge of described middle interconnecting piece.
The present invention is optimized improvement to existing disc brake with fixed caliper, on the basis retaining existing structure, return spring structure is provided with between two backboards of break, described return spring comprises the middle interconnecting piece with an opening, the left side of described middle interconnecting piece is connected with left curved part in turn, left lug and left location hook, and on the right side of it, be connected with right curved part in turn, right lug and right location hook, the bearing pin of break is through left, right curved part, and with a left side, right backboard is fixed, left, right limit hook is fixed with corresponding backboard respectively, thus return spring is installed on the brake, the middle interconnecting piece of return spring is unsettled, after stepping on brake petal, left, the related left side of right friction plate, the motion close to each other of right backboard, clamping brake disc, meanwhile, return spring is compressed, middle interconnecting piece due to return spring has an opening, so return spring can carry out sufficient deformation, when after release brake petal, under the effect of return spring deformation power, the related left and right backboard of left and right friction plate is by rapid return, and restorable is thorough, avoid occurring that friction plate and brake disc are dawdled the problem of wearing and tearing, improve braking ability and the working life of break.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, being briefly described to the accompanying drawing used required in embodiment below, and will being described in further detail specific embodiments of the invention by reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of disc brake with fixed caliper provided by the invention;
Fig. 2 is the structural representation of the return spring in Fig. 1;
Fig. 3 is the return spring in Fig. 1, left and right backboard, left and right friction plate and bearing pin assembling condition schematic diagram;
Fig. 4 is the left and right backboard in Fig. 1, left and right friction plate and bearing pin assembling condition schematic diagram.
Wherein, the label declaration in above-mentioned accompanying drawing is as follows:
1-brake disc, 2-clamp, the left friction plate of 3-, the right friction plate of 4-, the left backboard of 5-, the right backboard of 6-, 7-bearing pin, 8-return spring;
81-middle interconnecting piece, the left curved part of 82-, the right curved part of 83-, the left location hook of 84-, the right location hook of 85-, the left lug of 86-, the right lug of 87-;
Distance between the left and right location hook of A-, the radius of the left lug of B-, the height difference of the left lug of C-and left curved part minimum point, the drift angle of D-middle interconnecting piece;
Distance between the left and right backboard of A1-, the width of B1-left backboard top end face, the distance of C1-left backboard top end face and bearing pin lower camber side.
Embodiment
In order to make those skilled in the art understand technological scheme of the present invention better, do to introduce in detail further to this programme below in conjunction with specific embodiment.
Disc brake with fixed caliper conventional in prior art, the clamp 2 comprising brake disc 1 and be fixed on described brake disc 1, left friction plate 3 and the right friction plate 4 of described brake disc 1 both sides that are placed in is provided with in described clamp 2, the outside that the outside of described left friction plate 3 is provided with left backboard 5 and described right friction plate 4 is provided with right backboard 6, and bearing pin 7 is connected with described clamp 2 through above-mentioned two groups of backboards successively.On this architecture basics, the invention provides a kind of novel disc brake with fixed caliper, with reference to figure 1, novel disc brake with fixed caliper is provided with return spring 8 between described left backboard 5 and described right backboard 6, as shown in Figure 2, described return spring 8 comprises middle interconnecting piece 81, and between described, joint 81 has an opening, and the left side of described opening is connected with left curved part 82 and left location hook 84 in turn, the right side of described opening is connected with right curved part 83 and right location hook 85 in turn.
With reference to figure 1 and Fig. 3, when described return spring 8 assembles in break, the left curved part 82 that described bearing pin 7 passes and right curved part 83, described left location hook 84 is fixed with the mounting hole clasp joint on described left backboard 5, described right location hook 85 is fixed with the mounting hole clasp joint on described right backboard 6, described middle interconnecting piece 81 is unsettled, and due to the rigidity of described return spring 8 self, described middle interconnecting piece 81 can not interfere with brake disc.
When stepping on brake petal, under pressure of wheel braking cylinder effect, described left friction plate 3 and described right friction plate 4 drive described left backboard 5 and described right backboard 6 to move along described bearing pin 7 is close to each other respectively, meanwhile described return spring 8 is by compressive strain, because described middle interconnecting piece 81 has an opening, make described return spring 8 can have enough deformation quantities; When after release brake petal, pressure of wheel braking cylinder disappears, under the shape inotropic action of now described return spring 8, described left friction plate 3 and described right friction plate 4 drive described left backboard 5 and described right backboard 6 returning quickly respectively, avoid the wearing and tearing of friction plate and brake disc, and it is thorough to be beneficial to friction plate return, occurs phenomenon of dawdling, thus can improve braking ability and the working life of break when preventing from normally travelling.
Further, in existing break, friction plate is without fixing, during normal vehicle operation, easily play in clamp, produces abnormal sound, in the break after the present embodiment improves, also can be provided with left lug 86 between described left curved part 82 and left location hook 84, described left lug 86 abuts and is pressed on the top end face of described left backboard 5; Right lug 87 is provided with between described right curved part 83 and right location hook 85, described right lug 87 abuts and is pressed on the top end face of described right backboard 6, thus make the backboard of described return spring 8 pairs of both sides have an active force vertically downward, backboard and friction plate is made to be pressed in described clamp 2, prevent friction plate play from producing abnormal sound, also can play fixing effect to the installation of described return spring 8, make it be out of shape more abundant.
In the present embodiment specific implementation process, in order to ensure that described return spring 8 has enough downward impacting forces, with reference to figure 4, in the assembled condition, described left lug 86 and the height difference C of described left curved part 83 minimum point are less than the distance C1 of described left backboard 5 top end face and described bearing pin 7 lower camber side, to ensure that described return spring 8 is loaded onto rear described left friction plate 3 and can not arbitrarily be jumped; In like manner, the height difference of described right lug 87 and described right curved part 83 minimum point is also less than the distance between the top end face of described right backboard 6 and described bearing pin 7 lower camber side.
Further, in a preferred embodiment, described left lug 86 is semicircle, and the radius B of described left lug 86 is not less than the width B 1 of described left backboard 5 top end face, preferably it approximates the width of described left backboard 5 top end face, thus can prevent the too short top end face from described left backboard 5 of described left lug 86 from coming off, can avoid again that described left lug 86 is long to be interfered with peripheral parts.
In like manner, described right lug 87 also can be preferably semicircle, and its radius is not less than the width of described right backboard 6 top end face, and it preferably approximates the width of described right backboard 6 top end face.
In addition, preferably, under non-brake state, distance A between left and right location hook is greater than the distance A1 between left and right backboard, ensure when initial position, namely described return spring 8 has certain returning place force to left and right friction plate, to increase the returning place force after braking, makes friction plate restorable thorough fast.
Further, described middle interconnecting piece 81 is preferably " V " font, take up room less, and the drift angle D of described middle interconnecting piece 81 is preferably 48 ° ~ 63 °, can ensures the returning place force size to fit of described return spring 8.
In addition, the top of described middle interconnecting piece 81 tilts to the direction away from described brake disc 1, and tilting angle is greater than 0 ° and is less than 90 °, facilitates the dismounting of described return spring 8, and described return spring 8 also can be avoided to interfere with described brake disc 1.
Understandably, described middle interconnecting piece 81 also can be the structural types such as U-shaped, trapezoidal or rectangle.
In embodiments of the present invention, described return spring 8 can be wire quality, is preferably the structure of one bending forming, and structure is simple, easy to process, and can ensure enough working strengths.
Wherein, the left distal end that described left curved part 82 can be described middle interconnecting piece 81 bends to the direction away from described opening the arcuate structure extended to form; The right end that described right curved part 83 can be described middle interconnecting piece 81 is to described opening inner bending and coordinate the loop configuration of the reducing formed with the right edge of described middle interconnecting piece 81.
Structure of the present invention, feature and action effect is described in detail above according to graphic shown embodiment; the foregoing is only preferred embodiment of the present invention; but the present invention does not limit practical range with shown in drawing; every change done according to conception of the present invention; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet specification with diagram contain spiritual time, all should in protection scope of the present invention.
Claims (10)
1. a disc brake with fixed caliper, comprise brake disc (1) and be fixed on the clamp (2) on described brake disc (1), left friction plate (3) and the right friction plate (4) of described brake disc (1) both sides that are placed in is provided with in described clamp (2), the outside of described left friction plate (3) is provided with left backboard (5), the outside of described right friction plate (4) is provided with right backboard (6), bearing pin (7) passes above-mentioned two groups of backboards successively and is connected with described clamp (2), it is characterized in that, return spring (8) is provided with between above-mentioned two groups of backboards, described return spring (8) comprises the middle interconnecting piece (81) with an opening, the both sides of the edge of described opening are connected to the left curved part (82) and right curved part (83) that pass for described bearing pin (7), the rear end of described left curved part (82) is connected with the left location hook (84) be fixedly connected with described left backboard (5), described right curved part (83) rear end is connected with the right location hook (85) be fixedly connected with described right backboard (6).
2. disc brake with fixed caliper according to claim 1, it is characterized in that, be provided with between described left curved part (82) with described left location hook (84) and abut with the top end face of described left backboard (5) the left lug (86) compressed; Be provided with between described right curved part (83) with described right location hook (85) and abut with the top end face of described right backboard (6) the right lug (87) compressed.
3. disc brake with fixed caliper according to claim 2, it is characterized in that, under assembling condition, the height difference of described left lug (86) and described left curved part (83) minimum point is less than the distance between the top end face of described left backboard (5) and described bearing pin (7) lower camber side; And the height difference of described right lug (87) and described right curved part (83) minimum point is less than the distance between the top end face of described right backboard (6) and described bearing pin (7) lower camber side.
4. disc brake with fixed caliper according to claim 3, is characterized in that, described left lug (86) is semicircle, and its radius is not less than the width of described left backboard (5) top end face; Described right lug (87) is semicircle, and its radius is not less than the width of described right backboard (6) top end face.
5. the disc brake with fixed caliper according to any one of Claims 1 to 4, it is characterized in that, under non-brake state, the spacing between described left location hook (84) and described right location hook (85) is greater than the distance between described left backboard (5) and described right backboard (6).
6. the disc brake with fixed caliper according to any one of Claims 1 to 4, is characterized in that, described middle interconnecting piece (81) is " V " font, and its drift angle is 48 ° ~ 63 °.
7. disc brake with fixed caliper according to claim 6, is characterized in that, the top of described middle interconnecting piece (81) tilts to the direction away from described brake disc (1), and tilting angle is greater than 0 ° and is less than 90 °.
8. the disc brake with fixed caliper according to any one of Claims 1 to 4, is characterized in that, described return spring (8) is integrated bending forming structure.
9. disc brake with fixed caliper according to claim 8, is characterized in that, the left distal end that described left curved part (82) is described middle interconnecting piece (81) bends to the direction away from described opening the arcuate structure extended to form.
10. disc brake with fixed caliper according to claim 9, it is characterized in that, the right end that described right curved part (83) is described middle interconnecting piece (81) is to described opening inner bending and coordinate the loop configuration of the reducing formed with the right edge of described middle interconnecting piece (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254392.9A CN104819229A (en) | 2015-05-18 | 2015-05-18 | Fixed caliper disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254392.9A CN104819229A (en) | 2015-05-18 | 2015-05-18 | Fixed caliper disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104819229A true CN104819229A (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510254392.9A Pending CN104819229A (en) | 2015-05-18 | 2015-05-18 | Fixed caliper disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819229A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178568A (en) * | 2017-07-12 | 2017-09-19 | 湖北航特科技有限责任公司 | Brake caliper assemblies and brake apparatus |
| CN108050173A (en) * | 2017-12-08 | 2018-05-18 | 太原理工大学 | A kind of formula car brake system with biomimetic features |
| CN109799100A (en) * | 2019-03-15 | 2019-05-24 | 西南交通大学 | A kind of modularization comprehensive braking performance test testing stand |
| CN110271630A (en) * | 2018-03-13 | 2019-09-24 | 阿米瑟工业股份有限公司 | Brake gear can quickly be assembled |
| CN113738795A (en) * | 2021-08-27 | 2021-12-03 | 岚图汽车科技有限公司 | Caliper brake friction plate return mechanism, caliper brake and automobile |
| CN114321226A (en) * | 2021-12-17 | 2022-04-12 | 万向钱潮（上海）汽车系统有限公司 | Fixed movable clamp friction plate return wire spring structure |
| US11703096B2 (en) | 2017-01-31 | 2023-07-18 | Continental Teves Ag & Co. Ohg | Motor-vehicle fixed-caliper partially lined disk brake with a sheet-steel bow-type clearance spring |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11703096B2 (en) | 2017-01-31 | 2023-07-18 | Continental Teves Ag & Co. Ohg | Motor-vehicle fixed-caliper partially lined disk brake with a sheet-steel bow-type clearance spring |
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| CN107178568B (en) * | 2017-07-12 | 2019-05-28 | 湖北航特科技有限责任公司 | Brake caliper assemblies and brake apparatus |
| CN108050173A (en) * | 2017-12-08 | 2018-05-18 | 太原理工大学 | A kind of formula car brake system with biomimetic features |
| CN108050173B (en) * | 2017-12-08 | 2019-12-06 | 太原理工大学 | Formula car braking system with bionic structure |
| CN110271630A (en) * | 2018-03-13 | 2019-09-24 | 阿米瑟工业股份有限公司 | Brake gear can quickly be assembled |
| CN109799100A (en) * | 2019-03-15 | 2019-05-24 | 西南交通大学 | A kind of modularization comprehensive braking performance test testing stand |
| CN109799100B (en) * | 2019-03-15 | 2021-03-19 | 西南交通大学 | Modularized comprehensive brake performance test bench |
| CN113738795A (en) * | 2021-08-27 | 2021-12-03 | 岚图汽车科技有限公司 | Caliper brake friction plate return mechanism, caliper brake and automobile |
| CN114321226A (en) * | 2021-12-17 | 2022-04-12 | 万向钱潮（上海）汽车系统有限公司 | Fixed movable clamp friction plate return wire spring structure |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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Application publication date: 20150805 |