CN203627611U - Piston pushing mechanism of motorcycle composite braking system - Google Patents
Piston pushing mechanism of motorcycle composite braking system Download PDFInfo
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- CN203627611U CN203627611U CN201320762940.5U CN201320762940U CN203627611U CN 203627611 U CN203627611 U CN 203627611U CN 201320762940 U CN201320762940 U CN 201320762940U CN 203627611 U CN203627611 U CN 203627611U
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- fixed base
- piston
- piston rod
- fixed
- pushing mechanism
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Abstract
The utility model discloses a piston pushing mechanism of a motorcycle composite braking system. The piston pushing mechanism comprises a piston rod, wherein one end of the piston rod is fixed to a piston, and the other end of the piston rod penetrates through a hydraulic chamber and penetrates out of a brake caliper. The piston pushing mechanism further comprises a hollow fixed base which is fixedly connected to the brake caliper, wherein a pushing component is arranged in the fixed base in a matched mode, one end of the pushing component is arranged inside the fixed base in a rotatable and matched mode, the other end of the pushing component is arranged outside the fixed base, and is fixedly provided with a rotary arm, a hydraulic braking stroke gap is reserved between the center of one end of the pushing component and the end of the piston rod, one end of the pushing component is fixedly sleeved with a rotary ring, a fixed ring is arranged opposite to the rotary ring and fixed to the fixed base, and a ball installing cavity provided with balls is formed between the rotary ring and the fixed ring. The piston pushing mechanism further comprises return springs. The piston pushing mechanism has the advantages that force transmission can be conveniently achieved, the structure is compact and stable, motions are flexible and reliable, and the braking distance can be flexibly adjusted.
Description
Technical field
The utility model relates to the composite braking system of a kind of two-wheeled motor vehicle or four-wheel beach buggy, especially relates to a kind of motorcycle mechanical hydraulic hybrid braking system piston pushing mechanism.
Background technique
The rear brake that two-wheeled motor vehicle, four-wheel beach buggy adopt is at present generally hydraulic brake or hub type brake, and hydraulic brake transmits braking force by brake fluid, and hub type brake directly transmits braking force by mechanical motion.
Generally, the braking force that hub type brake provides is less than the braking force that the hydraulic brake of same equal-specification provides, but easily lost efficacy in the situation of rear brake employing hydraulic braking, reason is the restriction of rear brake due to mounting point, vehicle in the process of moving, not obvious by air cooling effect, if car load load is large, add again under jolting the road conditions of road surface or long descending in rural area and travel, keep away and unavoidably want Reusability rear brake, friction between friction plate and brake disc can produce amount of heat, because rear brake radiating condition is poor, heat can pass to piston by friction plate, finally transfer heat to brake fluid, in the time that temperature reaches brake fluid floating-point, brake fluid vaporization, the braking force of rear brake can completely lose, stop after cooling a period of time, it is normal that braking force is slowly recovered.Like this, in the process of travelling, in the situation of braking force catastrophic failure, easily cause serious security incident to occur, therefore although the braking force of hydraulic braking is larger, the poor defect of reliability, need to strengthen reliability while there is high temperature.
The model utility of China's patent No. 201320145609.9 once disclosed a kind of vehicle composite braking system based on hydraulic braking and electronic mechanical braking, but in this braking system, be to adopt two kinds of brake structure modes to realize respectively the braking of front-wheel and the trailing wheel of vehicle.See therefore separate, front-wheel and trailing wheel still exist hydraulic braking easily to lose efficacy separately, the defect that mechanical braking braking force is less.
In order to address the above problem, claimant considers to design a kind of composite braking system, wherein, an integrated mechanical brake equipment on the basis of existing hydraulic brake system, a drawing cable mechanism and a piston pushing mechanism in described mechanical brake equipment, are designed, piston pushing mechanism comprises a piston rod being connected with piston, drawing cable mechanism one end is connected with brake petal, the other end is connected with piston pushing mechanism, and be delivered to piston rod for the braking maneuver of stepping under brake petal being continued after brake petal hydraulic braking stroke, and then promotion piston moves realization braking.
But wherein, in the time of design piston pushing mechanism, also need to consider how to make it have the transmission of being convenient to realizable force, compact structure is stable, is active in one's movements reliable, stopping distance such as can adjust flexibly at the feature.
Model utility content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is, how a kind of transmission of being convenient to realizable force is provided, and compact structure is stable, be active in one's movements reliable, stopping distance can be adjusted the hybrid braking system piston of motorcycle pushing mechanism flexibly.
In order to solve the problems of the technologies described above, in the utility model, adopt following technological scheme:
The hybrid braking system piston of a kind of motorcycle pushing mechanism, it is characterized in that, described piston pushing mechanism, comprise a piston rod, piston rod one end and piston are fixed, the other end passes hydraulic chamber and passes brake calipers toward the direction that deviates from the first friction plate, and piston rod and brake calipers are sealed and matched slidably by seal ring, also comprise a fixed base that is fixedly connected on the hollow structure on brake calipers, the end that described piston rod deviates from the first friction plate extends to fixed base inside, the drag-line that fixed base external stability is provided with for leather hose is installed is installed support, in described fixed base, be combined with a push mechanism, described push mechanism one end is engaged in fixed base inside rotationally, the other end is positioned at fixed base outside and is fixedly installed one and is connected and can leans on the pivoted arm that drag-line drive is rotated with drag-line, push mechanism one end of fixed base inside core just described piston rod end is being arranged and and piston rod end between leave hydraulic braking stroke gap, the peripheral position fixed cover that push mechanism is positioned at the inner one end of fixed base is provided with a swivel becket, swivel becket deviates from the direction of piston rod also just to being provided with a retaining ring being fixed on fixed base, between described swivel becket and retaining ring, be formed with a ball installation cavity, ball installation cavity one end is provided with ball matchingly, the ball installation cavity the other end reduces along the gradual change of sense of rotation clearance space, also comprise return spring.
When the utility model uses, while stepping on brake petal braking, drag-line drives pivoted arm to rotate, and push mechanism rotarily drives between swivel becket and retaining ring and rotates, and then leans on the effect of ball by large gap support between swivel becket and retaining ring.After brake petal hydraulic braking stroke rotates, end, push mechanism position is covered hydraulic braking stroke clearance distance and is contacted with piston rod end.If now hydraulic braking sytem is malfunctioning, brake petal is stepped under can continuing, and then push mechanism promotion piston rod is moved, and realizes mechanical type braking.The piston pushing mechanism of this structure, the structure that adopts ball to coordinate is convenient to rotatablely moving of small distance to be converted into longer axial distance displacement, guarantees that its reliable transmission is stable, when compact structure is small and exquisite, has advantages of that braking is reliable sensitive.Return spring is used for braking rear return.
As further optimization, described push mechanism comprises a promotion axle sleeve and an adjustment bolt being threaded in promotion axle sleeve, adjusts bolt outside and by a fastening screw nut spinning, pivoted arm, adjustment bolt and promotion axle sleeve is fixed as one; Adjust in bolt and rectify described piston rod end is arranged.
After optimizing like this, can be conveniently by adjusting bolt, regulate the clearance distance of inner and piston rod end, make this distance can be just and the stopping distance of hydraulic braking sytem mate, reliably flexible to guarantee to brake.This structure also has the fixing very convenient advantage efficiently of installation simultaneously.
As optimization, described return spring comprises the first return spring between fixed base and push mechanism that is connected in fixed base inside, and at be connected in pivoted arm and the drag-line of fixed base outside, the second return spring between supporting is installed.
Like this, two return springs are rotated return from the two ends while application of force of push mechanism, guarantee application of force balance, and return is reliable.
In sum, the utlity model has the transmission of being convenient to realizable force, compact structure is stable, is active in one's movements reliable, and stopping distance such as can adjust flexibly at the advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of brake petal part in a kind of hybrid braking system that adopts the utility model structure.
Fig. 2 is the structural representation of brake disc position part in a kind of hybrid braking system that adopts the utility model structure.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the broken section structural representation of ball position in a kind of hybrid braking system that adopts the utility model structure.
Embodiment
Below in conjunction with a kind of hybrid braking system that has adopted the utility model structure and accompanying drawing thereof, the utility model is described in further detail.
In this embodiment, as Figure 1-Figure 4, a kind of hybrid braking system that adopts the utility model structure, comprise hydraulic brake system, described hydraulic brake system comprises brake petal 1, master cylinder 2, brake calipers 3, piston 4 and brake disc 5, described piston 4 slidably stuffing box gland is located in a piston installation cavity of brake calipers 3, between piston 4 one end and brake calipers 3, be formed with a hydraulic chamber, piston 4 the other ends are fixedly installed the first friction plate 6, on described brake calipers, be also fixed with the second friction plate 7 that and the first friction plate 6 are oppositely arranged, described brake disc 5 is arranged between the first friction plate 6 and the second friction plate 7, described brake petal 1 is arranged on rotationally in frame and has a force side being connected with the piston push rod of master cylinder 2, and master cylinder 2 is communicated with by hydraulic tubing 8 and described hydraulic chamber, also comprise mechanical brake equipment, described mechanical brake equipment comprises the drawing cable mechanism that is arranged at the piston pushing mechanism of brake calipers 3 positions and is connected with piston pushing mechanism, the drag-line 10 that drawing cable mechanism comprises leather hose 9 and arranges through leather hose, leather hose 9 one end are fixed in the frame of brake petal 1 annex, the other end is fixed near brake calipers 3, described drag-line 10 one end pass that leather hose 9 is connected with brake petal 1 and the other end passes leather hose and is connected with piston pushing mechanism, when described brake petal 1 is stepped under the complete continuation of hydraulic braking stroke, can pull drag-line 10 to drive piston pushing mechanism to promote piston, make the first friction plate 6 and the second friction plate 7 that the brake disc in it 5 is clamped to braking.
Wherein, described piston pushing mechanism, comprises a piston rod 11, and piston rod 11 one end and described piston 4 are fixing, the other end passes hydraulic chamber and passes described brake calipers toward the direction that deviates from the first friction plate 6, and piston rod 11 and brake calipers 3 are sealed and matched slidably by seal ring, also comprise a fixed base 12 that is fixedly connected on the hollow structure on brake calipers 3, the end that described piston rod 11 deviates from the first friction plate 6 extends to fixed base 12 inside, the drag-line that fixed base 12 external stabilities are provided with for leather hose is installed is installed support 13, in described fixed base 12, be combined with a push mechanism, described push mechanism one end is engaged in fixed base 12 inside rotationally, the other end is positioned at fixed base 12 outsides and is fixedly installed one and is connected and can leans on the pivoted arm 14 that drag-line drive is rotated with drag-line, push mechanism one end of fixed base inside core just described piston rod 11 ends are being arranged and and piston rod 11 ends between leave hydraulic braking stroke gap, the peripheral position fixed cover that push mechanism is positioned at the inner one end of fixed base is provided with a swivel becket 15, swivel becket 15 deviates from the direction of piston rod also just to being provided with a retaining ring 16 being fixed on fixed base, between described swivel becket 15 and retaining ring 16, be formed with a ball installation cavity, ball installation cavity one end is provided with ball 17 matchingly, the ball installation cavity the other end reduces along the gradual change of sense of rotation clearance space.
Wherein, described push mechanism comprises a promotion axle sleeve 18 and an adjustment bolt 19 being threaded in promotion axle sleeve 18, adjusts bolt 19 outsides and by a fastening screw nut spinning 20, pivoted arm 14, adjustment bolt 19 and promotion axle sleeve 18 is fixed as one; Adjusting interior the rectifying of bolt 19 arranges described piston rod end.
Wherein, also comprise the return spring for braking rear push mechanism return, described return spring comprises the first return spring 22 between fixed base and push mechanism that is connected in fixed base 12 inside, and at be connected in pivoted arm and the drag-line of fixed base 12 outsides, the second return spring 21 between supporting is installed.Like this, two return springs are rotated return from the two ends while application of force of push mechanism, guarantee application of force balance, and return is reliable.
When above-mentioned hybrid braking system is used, when normal braking braking, hydraulic brake system plays braking action.Its process is for stepping on brake petal, the piston push rod application of force of brake petal force side to master cylinder, piston push rod overcomes the motion of internal reset spring force and carries out fluid power transmission, hydraulic coupling reaches in hydraulic chamber by hydraulic tubing, the piston and the brake calipers that promote in hydraulic chamber do relative motion, and then make the first friction plate and the second friction plate that the brake disc in it is compressed to braking.While inefficacy when the overheated vaporization of brake fluid, brake petal is stepped under the complete continuation of hydraulic braking stroke, pull drag-line to drive piston pushing mechanism to promote piston, make the first friction plate and the second friction plate that the brake disc in it is clamped to braking by mechanism, avoided braking failure.The piston pushing mechanism adopting, while stepping on brake petal braking, drag-line drives pivoted arm to rotate, and push mechanism rotarily drives between swivel becket and retaining ring and rotates, and then leans on the effect of ball by large gap support between swivel becket and retaining ring.After brake petal hydraulic braking stroke rotates, end, push mechanism position is covered hydraulic braking stroke clearance distance and is contacted with piston rod end.If now hydraulic braking sytem is malfunctioning, brake petal is stepped under can continuing, and then push mechanism promotion piston rod is moved, and realizes mechanical type braking.The piston pushing mechanism of this structure, the structure that adopts ball to coordinate is convenient to rotatablely moving of small distance to be converted into longer axial distance displacement, guarantees that its reliable transmission is stable, when compact structure is small and exquisite, has advantages of that braking is reliable sensitive.Return spring is used for braking rear return.The structure of described push mechanism, can be conveniently by adjusting bolt, regulate the clearance distance of inner and piston rod end, make this distance can be just and the stopping distance of hydraulic braking sytem mate, reliably flexible to guarantee to brake.This structure also has the fixing very convenient advantage efficiently of installation simultaneously.
Even lost efficacy in order to realize brake fluid in braking process in said system, the object that break also can be braked, is connected with drag-line brake petal with mechanical braking mechanism.Like this, when under the effect of brake petal at pedal force, enter into hydraulic braking stroke from initial position, break is in hydraulic work state, and now, pivoted arm makes push mechanism start to contact with piston push rod under the pulling of drag-line, in this process, mechanical braking mechanism does not produce braking force.
In the time that the temperature of brake fluid reaches brake fluid boiling temperature, brake fluid lost efficacy, brake petal can continue to rotate under the effect of pedal force, can enter mechanical braking stroke from hydraulic braking stroke, brake petal is in rotating, by the effect of drag-line, continue to pull pivoted arm to rotate, in this process, push mechanism promotes piston rod, the first friction plate is contacted with brake disc, simultaneously, retaining ring promotes brake calipers in the opposite direction makes the second friction plate contact with brake disc, thereby, brake disc both sides produce frictional force under the effect of two friction plates, reach the object of braking.
Drag-line in said system can be adjusted, and when adjustment, first unclamps fastening screw nut, can rotate freely adjustment bolt with hand; Then give downward power F of brake petal, it is pin control force, make break in braking state, with hand to promoting in axle sleeve to rotate adjusting bolt, make the end contact of adjusting bolt end face and piston push rod, then to inner rotary adjusting bolt n circle, make pitch P × n approximate greatly C, last fastening fastening screw nut.
Before braking failure, if need mechanical braking mechanism to participate in braking, after the end contact of adjusting bolt end face and piston push rod, can rotate less 1/2 circle, then fastening fastening screw nut to inner rotary adjusting bolt.Use in the case break, just realized machinery and hydraulic pressure and braked object simultaneously, the heat having produced while having avoided due to braking makes the consequence of brake fluid inefficacy, has guaranteed the traffic safety of vehicle.
Therefore in above-mentioned hybrid braking system, hydraulic braking and mechanical braking are integrated in a braking system, make it possess the feature of good braking effect and braking good reliability simultaneously; The advantages such as also have compact structure, transmission is stable simultaneously, and stopping distance is flexible adjustable.
Claims (3)
1. the hybrid braking system piston of a motorcycle pushing mechanism, it is characterized in that, described piston pushing mechanism, comprise a piston rod, piston rod one end and piston are fixed, the other end passes hydraulic chamber and passes brake calipers toward the direction that deviates from the first friction plate, and piston rod and brake calipers are sealed and matched slidably by seal ring, also comprise a fixed base that is fixedly connected on the hollow structure on brake calipers, the end that described piston rod deviates from the first friction plate extends to fixed base inside, the drag-line that fixed base external stability is provided with for leather hose is installed is installed support, in described fixed base, be combined with a push mechanism, described push mechanism one end is engaged in fixed base inside rotationally, the other end is positioned at fixed base outside and is fixedly installed one and is connected and can leans on the pivoted arm that drag-line drive is rotated with drag-line, push mechanism one end of fixed base inside core just described piston rod end is being arranged and and piston rod end between leave hydraulic braking stroke gap, the peripheral position fixed cover that push mechanism is positioned at the inner one end of fixed base is provided with a swivel becket, swivel becket deviates from the direction of piston rod also just to being provided with a retaining ring being fixed on fixed base, between described swivel becket and retaining ring, be formed with a ball installation cavity, ball installation cavity one end is provided with ball matchingly, the ball installation cavity the other end reduces along the gradual change of sense of rotation clearance space, also comprise return spring.
2. the hybrid braking system piston of motorcycle as claimed in claim 1 pushing mechanism, it is characterized in that, described push mechanism comprises a promotion axle sleeve and an adjustment bolt being threaded in promotion axle sleeve, adjusts bolt outside and by a fastening screw nut spinning, pivoted arm, adjustment bolt and promotion axle sleeve is fixed as one; Adjust in bolt and rectify described piston rod end is arranged.
3. the hybrid braking system piston of motorcycle as claimed in claim 1 pushing mechanism, it is characterized in that, described return spring comprises the first return spring between fixed base and push mechanism that is connected in fixed base inside, and at be connected in pivoted arm and the drag-line of fixed base outside, the second return spring between supporting is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762940.5U CN203627611U (en) | 2013-11-28 | 2013-11-28 | Piston pushing mechanism of motorcycle composite braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762940.5U CN203627611U (en) | 2013-11-28 | 2013-11-28 | Piston pushing mechanism of motorcycle composite braking system |
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| Publication Number | Publication Date |
|---|---|
| CN203627611U true CN203627611U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320762940.5U Expired - Fee Related CN203627611U (en) | 2013-11-28 | 2013-11-28 | Piston pushing mechanism of motorcycle composite braking system |
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| CN (1) | CN203627611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485223A (en) * | 2015-12-18 | 2016-04-13 | 重庆泽田汽车部件有限责任公司 | Floating caliper disc brake with automatic compensation function |
| CN109424676A (en) * | 2017-08-31 | 2019-03-05 | 英国美瑞特重型车制动系统有限公司 | Disk brake |
| CN110821981A (en) * | 2019-11-28 | 2020-02-21 | 河北艾斯特车桥有限公司 | Full-disc brake for heavy vehicle |
-
2013
- 2013-11-28 CN CN201320762940.5U patent/CN203627611U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485223A (en) * | 2015-12-18 | 2016-04-13 | 重庆泽田汽车部件有限责任公司 | Floating caliper disc brake with automatic compensation function |
| CN109424676A (en) * | 2017-08-31 | 2019-03-05 | 英国美瑞特重型车制动系统有限公司 | Disk brake |
| CN109424676B (en) * | 2017-08-31 | 2020-07-10 | 英国美瑞特重型车制动系统有限公司 | Disc brake |
| CN110821981A (en) * | 2019-11-28 | 2020-02-21 | 河北艾斯特车桥有限公司 | Full-disc brake for heavy vehicle |
| CN110821981B (en) * | 2019-11-28 | 2021-10-01 | 河北埃克斯福动力科技有限公司 | Full-disc brake for heavy vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151117 Address after: 400054 Banan District, Chongqing building Avenue, No. 2, building 1 Patentee after: CHONGQING CONSTRUCTION ELECTROMECHANICAL CO., LTD. Address before: 400054 Huaxi Industrial Park, Banan District, Chongqing Road, No. 1 Patentee before: Chongqing Jianshe Motorcycle Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20201128 |