CN203009666U - Low-drag floating-type braking calibers - Google Patents

Low-drag floating-type braking calibers Download PDF

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Publication number
CN203009666U
CN203009666U CN 201220723792 CN201220723792U CN203009666U CN 203009666 U CN203009666 U CN 203009666U CN 201220723792 CN201220723792 CN 201220723792 CN 201220723792 U CN201220723792 U CN 201220723792U CN 203009666 U CN203009666 U CN 203009666U
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CN
China
Prior art keywords
friction plate
caliper
calibers
inboard
outside friction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220723792
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Chinese (zh)
Inventor
吕凌志
王培玉
刘鹏
刘芳
张同
李海霞
尹浩
陈小莉
白玉峰
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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Priority to CN 201220723792 priority Critical patent/CN203009666U/en
Application granted granted Critical
Publication of CN203009666U publication Critical patent/CN203009666U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses low-drag floating-type braking calibers which comprise a calibers body, a calibers support, an outside friction piece, an inside friction piece and a piston. The calibers body are mounted on the calibers support through two pin shafts, the calibers body and the pin shafts slide along the axes of the pin shafts and relative to the support, a wheel cylinder and a jaw are arranged on the calibers body, the piston is positioned in and in sliding fit with the wheel cylinder, the outside and inside friction pieces are oppositely arranged in and in sliding fit with the calibers support, and positioned in the jaw of the calibers body, and a return spring is arranged between the outside friction piece and the inside friction piece. The low-drag floating-type braking calibers reduce dragging moment during braking, reduce energy consumption of braking, and improve comfortability of braking.

Description

A kind of low floating type brake caliper that drags
Technical field
The utility model belongs to the automobile brake clamp, is specifically related to a kind of low floating type brake caliper that drags.
Background technique
Break is accompanied by automobile and produces, along with the development of automobile industry.From the most original brake shoe to drum brake, then disk type braker till now, the development of break has also reflected the development of automobile from the side.
Along with the progress of human civilization, the increase of automobile pollution, the raising of the mankind's environmental consciousness, more and more higher to the requirement of braking travelling comfort, the energy consumption in braking process is also paid close attention to more.In this process, increasing index is suggested, and wherein, the moment that drags in braking process is exactly a very important index.Drag refer to the braking after, the friction torque of brake caliper to brake disc.
Prior art is dragging the problem that exists aspect moment:
in existing disk type braker, as Fig. 1, Fig. 2 and shown in Figure 3, comprise caliper body 1, caliper bracket 2, inboard friction plate 4, outside friction plate 5 and piston 8, described caliper body 1 is arranged on caliper bracket 2 by two bearing pins 6, and caliper body 1 and bearing pin 6 slide with respect to caliper bracket 2 along bearing pin 6 axis together, described caliper body 1 is provided with wheel cylinder 3 and jaw 12, described piston 8 is positioned at wheel cylinder 3 and is slidably matched with wheel cylinder 3, described inboard, outside friction plate 4, 5 are located in caliper bracket 2 relatively, and be slidably matched with caliper bracket 2, and be positioned at the jaw 12 of caliper body 1.As shown in Figure 2, in braking process, at the interior injection hydraulic pressure of wheel cylinder 3, under the effect of hydraulic coupling, piston 8 outside (that is: the A direction) motion in wheel cylinder 3, caliper body 1 is to opposite direction (that is: the B direction) motion of piston 8.Under the promotion of piston 8, inboard friction plate 4 presses to brake disc 7 to the motion of A direction, and simultaneously, caliper body 1 promotes outside friction plate 5 to the motion of B direction, presses to brake disc 7, and brake disc 7 forms friction catch under the extruding of inboard friction plate 4 and outside friction plate 5.In the braking release stage, brake fluid pressure in wheel cylinder 3 discharges, and piston 8 turns back to initial position along the B direction under the effect of himself rubber seal 9.Due to inboard, outside friction plate 4,5 and caliper bracket 2 for being slidably matched, and inboard friction plate 4 and outside friction plate 5 make its initiatively return without actuator, therefore inboard, outside friction plate 4,5 and the state that is adjacent to of brake disc 7 maintenances.In the process of Vehicle Driving Cycle, brake disc 7 can produce vibration (that is: the vibration on A direction and B direction), and inboard, outside friction plate 4,5 are returned initial position.In this process, inboard, outside friction plate 4,5 rubbing surface form with brake disk surface and contact and dawdle, thereby have formed the larger moment that drags.Drag the wearing and tearing that moment may cause vibrations in braking process, noise, friction plate, more fuel economy is had larger impact simultaneously.Along with the raising of people to passenger car fuel economy, ride comfort requirement, particularly for senior car.The height of tradition clamp drags moment and can not satisfy the requirement of vehicle performance.
The model utility content
The purpose of this utility model is to provide a kind of hanging down and drags floating type brake caliper, can reduce the moment that drags in braking process, the energy consumption that reduces to brake, the travelling comfort of Hoist braking.
the low floating type brake caliper that drags described in the utility model, comprise caliper body, caliper bracket, inboard friction plate, outside friction plate and piston, described caliper body is arranged on caliper bracket by two bearing pins, and caliper body slides along the relative caliper bracket of axis of bearing pin together with bearing pin, described caliper body is provided with wheel cylinder and jaw, described piston is positioned at wheel cylinder and wheel cylinder is slidably matched, described inboard, outside friction plate relatively is located in caliper bracket and is slidably matched with caliper bracket, and be positioned at the jaw of caliper body, be provided with return spring between inboard friction plate and outside friction plate.
Described return spring is V-shaped, and the one end is fixed on the backboard of inboard friction plate, and the other end of spring is fixed on the backboard of outside friction plate.
The bottom of described return spring has the kick arc.
Be provided with two return springs between inboard friction plate and outside friction plate, and two return springs with respect to inboard, outside friction plate, be arranged symmetrically with.
Two return springs lay respectively at the two ends of inboard, outside friction plate.
The utlity model has following advantage: by return spring, two friction plates can initiatively be separated with brake disc in the braking release stage, and be returned to initial position, time of contact and the contact of brake disc and friction plate have greatly been reduced, reduced to brake the energy consumption that drags moment and braking that produces owing to dawdling in the return process, thereby improved travelling comfort and fuel economy in the steering vehicle process.
Description of drawings
Fig. 1 is one of structural representation of existing disk type braker;
Fig. 2 be existing disk type braker structural representation two;
Fig. 3 is the structural representation of clamp in existing disk type braker;
Fig. 4 is the connection diagram (not being with caliper body) of clamp described in the utility model and brake disc;
Fig. 5 is the enlarged view of C position in Fig. 4;
Fig. 6 is the structural representation of return spring.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
as Fig. 4 to the low floating type brake caliper that drags shown in Figure 6, comprise caliper body 1, caliper bracket 2, inboard friction plate 4, outside friction plate 5 and piston 8, caliper body 1 is arranged on caliper bracket 2 by two bearing pins 6, and caliper body 1 and bearing pin 6 slide with respect to caliper bracket 2 along the axis of bearing pin 6 together, caliper body 1 is provided with wheel cylinder 3 and jaw 12, piston 8 is positioned at wheel cylinder 3 and is slidably matched with wheel cylinder 3, inboard, outside friction plate 4, 5 relatively are located in caliper bracket 2 and are slidably matched with caliper bracket 2, and be positioned at the jaw 12 of caliper body 1, be provided with the return spring 11 of V-arrangement between inboard friction plate 4 and outside friction plate 5, one end of return spring 11 is inserted in the mounting hole 13 of backboard 10 of inboard friction plate 4, the other end of return spring 11 is inserted in the mounting hole 13 of backboard 10 of outside friction plate 5, insertion depth is the 5mm left and right.Under the extruding of return spring 11 self elastic force, return spring 11 and inboard, outside friction plate 4,5 form cooperation closely.The bottom of return spring 11 has the kick arc, is used for increasing its soft type and improves working life.In the inboard, outside friction plate 4,5 two ends install respectively a return spring 11, and two return springs 11 are arranged symmetrically with respect to inboard, outside friction plate 4,5, guarantee that with this return spring 11 pairs of inboards, outside friction plate 4,5 thrust are even.
As shown in Figure 4, in applying the process of braking, the motion of the piston 8 outside (that is: A direction) of wheel cylinder 3, caliper body 1 is to opposite direction (that is: the B direction) motion of piston 8.Under the promotion of piston 8, inboard friction plate 4 moves to the A direction, press to brake disc 7, simultaneously, caliper body 1 promotes outside friction plate 5 and moves to the B direction, press to brake disc 7, brake disc 7 forms friction catch (with the mechanism of traditional braking clamp) under the extruding of inboard friction plate 4 and outside friction plate 5.Owing to being provided with the return spring 11 of V-arrangement between inboard friction plate 4 and outside friction plate 5, applying at inboard friction plate 4 and outside friction plate 5 that in the process of braking, (that is: inboard friction plate 4 moves to the A direction, outside friction plate 5 is to B to motion), the return spring 11 of V-arrangement will be extruded distortion, the deposit elastic potential energy.in the braking release stage, after the braking line pressure release, brake fluid pressure in wheel cylinder 3 discharges, piston 8 turns back to initial position along the B direction under the effect of himself rubber seal 9, caliper body 1 also no longer applies the thrust of B direction to friction plate 5, by 11 pairs of inboard friction plates 4 of two return springs and outside friction plate 5 applied thrusts, can overcome the inboard, outside friction plate 4, 5 slip resistance on caliper bracket 2, thereby make the inboard, outside friction plate 4, 5 (that is: inboard friction plate 4 moves to the B direction to the both sides reversing motion, outside friction plate 5 is to the motion of A direction), initiatively be returned to initial position.Compare with traditional clamp, the design can make inboard, outside friction plate 4,5 initiatively separate with brake disc 7 in the braking release stage, and be returned to initial position, thereby greatly reduced brake disc 7 and inboard, outside friction plate 4,5 time of contact and contact, reduced to brake the moment that drags that produces owing to dawdling in the return process.

Claims (5)

1. one kind low drags floating type brake caliper, comprise caliper body (1), caliper bracket (2), inboard friction plate (4), outside friction plate (5) and piston (8), described caliper body (1) is arranged on caliper bracket (2) by two bearing pins (6), and caliper body (1) slides along the relative caliper bracket of axis (2) of bearing pin (6) together with bearing pin (6), described caliper body (1) is provided with wheel cylinder (3) and jaw (12), described piston (8) is positioned at wheel cylinder (3) and is slidably matched with wheel cylinder (3), described inboard, outside friction plate (4, 5) relatively be located in caliper bracket (2) and be slidably matched with caliper bracket (2), and be positioned at the jaw (12) of caliper body (1), it is characterized in that: be provided with return spring (11) between inboard friction plate (4) and outside friction plate (5).
2. according to claim 1 hanging down drags floating type brake caliper, it is characterized in that: described return spring (11) is V-shaped, the one end is fixed on the backboard (10) of inboard friction plate (4), and the other end of return spring (11) is fixed on the backboard (10) of outside friction plate (5).
3. according to claim 2 hanging down drags floating type brake caliper, and it is characterized in that: the bottom of described return spring (11) has the kick arc.
According to claim 1 to 3 arbitrary described low floating type brake caliper that drags, it is characterized in that: be provided with two return springs (11) between inboard friction plate (4) and outside friction plate (5), and two return springs (11) are arranged symmetrically with respect to inboard, outside friction plate (4,5).
5. according to claim 4 hanging down drags floating type brake caliper, and it is characterized in that: two return springs (11) lay respectively at the two ends of inboard, outside friction plate (4,5).
CN 201220723792 2012-12-25 2012-12-25 Low-drag floating-type braking calibers Expired - Lifetime CN203009666U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220723792 CN203009666U (en) 2012-12-25 2012-12-25 Low-drag floating-type braking calibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220723792 CN203009666U (en) 2012-12-25 2012-12-25 Low-drag floating-type braking calibers

Publications (1)

Publication Number Publication Date
CN203009666U true CN203009666U (en) 2013-06-19

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CN 201220723792 Expired - Lifetime CN203009666U (en) 2012-12-25 2012-12-25 Low-drag floating-type braking calibers

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CN (1) CN203009666U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104747633A (en) * 2014-07-24 2015-07-01 宋鲁江 Separating device for brake pads and brake disc of automobile
CN104819229A (en) * 2015-05-18 2015-08-05 安徽江淮汽车股份有限公司 Fixed caliper disc brake
CN105020305A (en) * 2015-07-22 2015-11-04 芜湖伯特利汽车安全系统股份有限公司 Air disc brake and automatic friction-plate returning method thereof
CN109501781A (en) * 2018-11-01 2019-03-22 上海万捷汽车控制系统有限公司 A method of eliminating hydraulic brake starting retardance

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104747633A (en) * 2014-07-24 2015-07-01 宋鲁江 Separating device for brake pads and brake disc of automobile
CN104819229A (en) * 2015-05-18 2015-08-05 安徽江淮汽车股份有限公司 Fixed caliper disc brake
CN105020305A (en) * 2015-07-22 2015-11-04 芜湖伯特利汽车安全系统股份有限公司 Air disc brake and automatic friction-plate returning method thereof
CN109501781A (en) * 2018-11-01 2019-03-22 上海万捷汽车控制系统有限公司 A method of eliminating hydraulic brake starting retardance
CN109501781B (en) * 2018-11-01 2022-02-25 上海万捷汽车控制系统有限公司 Method for eliminating hydraulic disc brake start retardation

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Granted publication date: 20130619