CN1600609A - Brake tongs with brake for stationed vehicle - Google Patents
Brake tongs with brake for stationed vehicle Download PDFInfo
- Publication number
- CN1600609A CN1600609A CN 03135940 CN03135940A CN1600609A CN 1600609 A CN1600609 A CN 1600609A CN 03135940 CN03135940 CN 03135940 CN 03135940 A CN03135940 A CN 03135940A CN 1600609 A CN1600609 A CN 1600609A
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- China
- Prior art keywords
- steel ball
- swivel nut
- piston
- threaded screw
- brake
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Abstract
A bracking pincers for stopping a car comprises cylinder, piston, oil inlet hole, seal gascket and bracking block. It features having hand bracking arm, steel ball seat, multihead screw, multihead screw casing, top rod, returning spring and spring seat in the cylinder; placing steel ball disc at top rod left end; making the rolling channel on disc and seat; setting axial gap between screw tooth and screw groove bigger than gap between piston and bracking block in thread connection.
Description
(1), affiliated technical field
The present invention relates to a kind of automobile brake clamp, particularly a kind of brake clamp that has parking and braking mechanism.
(2), technical background
Existing automobile generally is made up of cylinder body, piston, fuel feed hole, seal ring and slipper with brake clamp.It is released piston by oil pressure, makes piston withstand slipper brake disc is clamped, to reach the purpose of braking.This brake clamp is used to the back glancing impact, because of lacking parking and braking mechanism Parking Brake must be set in addition, and this not only occupies the space is set in the car, and increases the manufacturing cost of vehicle.
(3), summary of the invention
Purpose of the present invention just provides a kind of brake clamp of band braking during standstill of compact conformation, and it not only can service brake, and can braking during standstill, and the gap of can automatic compensation causing because of brake pads wear.
The objective of the invention is to realize by such technical scheme, it includes cylinder body, piston, fuel feed hole, seal ring and slipper, it is characterized in that: the parking and braking mechanism that is arranged in the cylinder body includes hand braking torque arm, steel ball seat, push rod, multiple-threaded screw, the bull swivel nut, pull back spring and spring perch, spring perch passes through collar, steel ball seat, anti-rotating pin and cylinder body are connected, the push rod right-hand member passes steel ball seat successively versatilely, be connected with hand braking torque arm behind the cylinder body, the push rod left end is provided with the steel ball dish, be provided with the middle shallow raceway in both sides deeply that is that matches on steel ball dish and the steel ball seat, be provided with steel ball in the raceway, multiple-threaded screw that is threaded each other and bull swivel nut are against on the steel ball dish right-hand member of multiple-threaded screw, the bull swivel nut is against on the piston, one end of pull back spring is against on the spring perch, the other end is against on the multiple-threaded screw, in being threaded between multiple-threaded screw and bull swivel nut, the endplay between spiral shell tooth and the screw channel is greater than the gap between piston and the slipper.
Principle of work of the present invention is such: when the needs service brake, make hydraulic oil enter cylinder body by fuel feed hole by the service brake pedal, promote piston and be moved to the left, make slipper clamp brake disc, to realize the purpose of service brake.When the needs braking during standstill, drive push rod and rotate by hand braking stay cord, hand braking torque arm with the parking brake joystick, because steel ball seat is not rotated under the effect of anti-rotating pin, the push rod that rotates drives the steel ball disc spins, under the combined action of raceway and steel ball, push rod is moved to the left, and promote the bull swivel nut by multiple-threaded screw and be moved to the left, the bull swivel nut promotes piston and moves to left, and makes slipper clamp brake disc, to realize the purpose of braking during standstill.When unclamping the parking brake joystick, pull brake control lever and transfer back to original position, and push rod is moved to right to original position, under the effect of pull back spring, multiple-threaded screw is moved to right to original position, piston and bull swivel nut move to right under the effect of original mechanism, and to keep original gap between piston and the slipper, braking during standstill stops.After brake pads wear, it is big that gap between slipper and the brake disc becomes, this gap is in case during greater than the spiral shell tooth of multiple-threaded screw and bull swivel nut and the endplay between the screw channel, will make between piston and the bull swivel nut and produce the gap, in order to compensate this gap, guarantee that the bull swivel nut is against on the piston, at the driving glancing impact, hydraulic oil can make the bull swivel nut have left movement tendency, and pull back spring makes multiple-threaded screw have to the right movement tendency, causes between multiple-threaded screw and the bull swivel nut relative rotation takes place, and the bull swivel nut is moved to left, until being butted on the piston, thereby realize the effect in automatic compensation gap.
Owing to adopted technique scheme, the present invention have compact conformation, operation easy for installation, take up space little and reduce the vehicle manufacture cost and other advantages, not only it not only can service brake for it, and can braking during standstill, and the gap of can automatic compensation causing because of brake pads wear.
(4), description of drawings
Description of drawings of the present invention is as follows:
Fig. 1 is a structure principle chart of the present invention;
Fig. 2 is the scheme drawing of oblique raceway;
Fig. 3 is the scheme drawing of arcuate groove;
Fig. 4 is the position relation between steel ball seat when not implementing braking during standstill, steel ball, the steel ball dish;
Fig. 5 is the position relation between steel ball seat when implementing braking during standstill, steel ball, the steel ball dish;
Fig. 6 is not for implementing braking during standstill and when not implementing service brake, the spiral shell tooth of multiple-threaded screw and bull swivel nut and the position between the screw channel concern;
Fig. 7 is when implementing service brake, the spiral shell tooth of multiple-threaded screw and bull swivel nut and the relation of the position between the screw channel;
Fig. 8 is when implementing braking during standstill, the spiral shell tooth of multiple-threaded screw and bull swivel nut and the relation of the position between the screw channel;
When Fig. 9 produces wearing and tearing for slipper, make brake clearance become big, when having increased a δ, when implementing service brake, the spiral shell tooth of multiple-threaded screw and bull swivel nut and the relation of the position between the screw channel;
When Figure 10 produces wearing and tearing for slipper, make brake clearance become big, when having increased a δ, after implementing service brake, the spiral shell tooth of multiple-threaded screw and bull swivel nut and the relation of the position between the screw channel.
Among the figure: 1. brake disc; 2. slipper; 3. piston; 4. bull swivel nut; 5. multiple-threaded screw; 6. anti-rotating pin; 7. push rod; 8. hand braking torque arm; 9. steel ball seat; 10. steel ball; 11. fuel feed hole; 12. cylinder body; 13. seal ring; 14. pull back spring; 15. spring perch; 16. collar; 17. steel ball dish; 18. raceway.
(5), the specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1, the present invention includes cylinder body 12, piston 3, fuel feed hole 11, seal ring 13 and slipper 2, it is characterized in that: the parking and braking mechanism that is arranged in the cylinder body 12 includes hand braking torque arm 8, steel ball seat 9, push rod 7, multiple-threaded screw 5, bull swivel nut 4, pull back spring 14 and spring perch 15, spring perch 15 is by collar 16, steel ball seat 9, anti-rotating pin 6 is connected with cylinder body 12, push rod 7 right-hand members pass steel ball seat 9 successively versatilely, cylinder body 12 backs are connected with hand braking torque arm 8, push rod 7 left ends are provided with steel ball dish 17, in conjunction with Fig. 2 or Fig. 3 as can be known, be provided with the middle shallow raceway 18 in both sides deeply that is that matches on steel ball dish 17 and the steel ball seat 9, be provided with steel ball 10 in the raceway 18, multiple-threaded screw 5 that is threaded each other and bull swivel nut 4 are against on the steel ball dish 17 right-hand member of multiple-threaded screw 5, the bull swivel nut is against on the piston 3, one end of pull back spring 14 is against on the spring perch 15, the other end is against on the multiple-threaded screw 5, in conjunction with Fig. 6 to Figure 10 as can be known, in being threaded between multiple-threaded screw 5 and bull swivel nut 4, the endplay C between spiral shell tooth and the screw channel is greater than the gap between piston and the slipper.
Principle of work of the present invention is such: when not implementing braking during standstill and not implementing service brake, the spiral shell tooth of multiple-threaded screw 5 and bull swivel nut 4 and the relation of the position between the screw channel are as shown in Figure 6; When the needs service brake, make hydraulic oil enter cylinder body 12 by the service brake pedal by fuel feed hole 11, promote piston 3 and be moved to the left, make slipper 2 clamp brake disc 1, to realize the purpose of service brake, at this moment, the position relation between multiple-threaded screw 5 and the bull swivel nut 4 as shown in Figure 7.When the needs braking during standstill, drive push rod 7 and rotate by hand braking stay cord, hand braking torque arm 8 with the parking brake joystick, because steel ball seat 9 is not rotated under the effect of anti-rotating pin 6, in conjunction with Fig. 4 and Fig. 5 as can be known, the push rod 7 that rotates drives 17 rotations of steel ball dish, under the combined action of raceway 18 and steel ball 10, push rod 7 is moved to the left, as shown in Figure 8, and promote bull swivel nuts 4 by multiple-threaded screw 5 and be moved to the left, bull swivel nut 4 promotes piston 3 and moves to left, and makes slipper 2 clamp brake disc 1, to realize the purpose of braking during standstill.When unclamping the parking brake joystick, pull brake control lever 8 and transfer back to original position, and push rod is moved to right to original position, under the effect of pull back spring 14, multiple-threaded screw 5 is moved to right to original position, piston 3 moves to right under the effect of original mechanism with bull swivel nut 4, and to keep original gap between piston 3 and the slipper 2, braking during standstill stops.After slipper 2 wearing and tearing, it is big that gap between slipper 2 and the brake disc 1 becomes, this gap delta+Δ is in case during greater than the spiral shell tooth of multiple-threaded screw 5 and bull swivel nut 4 and the endplay C between the screw channel, will make between piston 3 and the bull swivel nut 4 and produce the gap at the driving glancing impact, in order to compensate this gap, guarantee that bull swivel nut 4 is against on the piston 3, hydraulic oil can make bull swivel nut 4 have left movement tendency, and pull back spring 14 makes multiple-threaded screw 5 have to the right movement tendency, cause relative rotation takes place between multiple-threaded screw 5 and the bull swivel nut 4, bull swivel nut 4 is moved to left, as shown in Figure 9, until being butted on the piston 3, after removing service brake, the position relation between multiple-threaded screw 5 and the bull swivel nut 4 is in normal state again, as shown in figure 10, bull swivel nut 4 all the moved to left distance of a δ that different is, thus realize the effect in automatic compensation gap.
As shown in Figure 2, the raceway 18 that matches between steel ball dish 17 and the steel ball seat 9 can be the oblique raceway of bevelled.As shown in Figure 3, the raceway 18 that matches between steel ball dish 17 and the steel ball seat 9 also can be the arcuate groove that is circular-arc.
Claims (3)
1. brake clamp with braking during standstill, include cylinder body (12), piston (3), fuel feed hole (11), seal ring (13) and slipper (2), it is characterized in that: the parking and braking mechanism that is arranged in the cylinder body (12) includes hand braking torque arm (8), steel ball seat (9), push rod (7), multiple-threaded screw (5), bull swivel nut (4), pull back spring (14) and spring perch (15), spring perch (15) is by collar (16), steel ball seat (9), anti-rotating pin (6) is connected with cylinder body (12), push rod (7) right-hand member passes steel ball seat (9) successively versatilely, cylinder body (12) back is connected with hand braking torque arm (8), push rod (7) left end is provided with steel ball dish (17), be provided with the middle shallow raceway (18) in both sides deeply that is that matches on steel ball dish (17) and the steel ball seat (9), be provided with steel ball (10) in the raceway (18), multiple-threaded screw that is threaded each other (5) and bull swivel nut (4) are against on the steel ball dish (17) right-hand member of multiple-threaded screw (5), the bull swivel nut is against on the piston (3), one end of pull back spring (14) is against on the spring perch (15), the other end is against on the multiple-threaded screw (5), in being threaded between multiple-threaded screw (5) and bull swivel nut (4), the endplay between spiral shell tooth and the screw channel is greater than the gap between piston and the slipper.
2. the brake clamp of band braking during standstill as claimed in claim 1 is characterized in that: the raceway (18) that matches between steel ball dish (17) and the steel ball seat (9) is the oblique raceway of bevelled.
3. the brake clamp of band braking during standstill as claimed in claim 1 is characterized in that: the raceway (18) that matches between steel ball dish (17) and the steel ball seat (9) is the arcuate groove that is circular-arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03135940 CN1600609A (en) | 2003-09-26 | 2003-09-26 | Brake tongs with brake for stationed vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03135940 CN1600609A (en) | 2003-09-26 | 2003-09-26 | Brake tongs with brake for stationed vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1600609A true CN1600609A (en) | 2005-03-30 |
Family
ID=34659262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03135940 Pending CN1600609A (en) | 2003-09-26 | 2003-09-26 | Brake tongs with brake for stationed vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1600609A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839293A (en) * | 2010-05-18 | 2010-09-22 | 奇瑞汽车股份有限公司 | Parking mechanism of disc brakes |
| CN101802435B (en) * | 2007-08-02 | 2012-11-28 | 福乐尼·乐姆宝公开有限公司 | Brake caliper parking device |
| CN104088934A (en) * | 2014-06-20 | 2014-10-08 | 李星 | Car brake calipers |
| 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 |
| CN106438776A (en) * | 2016-11-04 | 2017-02-22 | 浙江力邦合信智能制动系统股份有限公司 | Brake caliper |
| CN109404448A (en) * | 2018-12-14 | 2019-03-01 | 温州市东启汽车零部件制造有限公司 | A kind of double tune gap band halting mechanism calipers |
| 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 |
-
2003
- 2003-09-26 CN CN 03135940 patent/CN1600609A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101802435B (en) * | 2007-08-02 | 2012-11-28 | 福乐尼·乐姆宝公开有限公司 | Brake caliper parking device |
| CN101839293A (en) * | 2010-05-18 | 2010-09-22 | 奇瑞汽车股份有限公司 | Parking mechanism of disc brakes |
| CN104088934A (en) * | 2014-06-20 | 2014-10-08 | 李星 | Car brake calipers |
| 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 |
| CN106438776A (en) * | 2016-11-04 | 2017-02-22 | 浙江力邦合信智能制动系统股份有限公司 | Brake caliper |
| CN109404448A (en) * | 2018-12-14 | 2019-03-01 | 温州市东启汽车零部件制造有限公司 | A kind of double tune gap band halting mechanism calipers |
| CN109404448B (en) * | 2018-12-14 | 2023-12-22 | 温州市东启汽车零部件制造有限公司 | Double-clearance-adjusting brake caliper with parking 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 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |