CN100337865C - Combined brake cylinder - Google Patents
Combined brake cylinder Download PDFInfo
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- CN100337865C CN100337865C CNB200410012184XA CN200410012184A CN100337865C CN 100337865 C CN100337865 C CN 100337865C CN B200410012184X A CNB200410012184X A CN B200410012184XA CN 200410012184 A CN200410012184 A CN 200410012184A CN 100337865 C CN100337865 C CN 100337865C
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- hollow piston
- valve
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- cylinder body
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Abstract
The present invention discloses a combined brake oil-cylinder which uses a cylinder body as a body, wherein both ends of an inner cavity of the cylinder body are respectively provided with a hollow piston and a valve body controlling mechanism matched with a hollow cavity of the hollow piston, a sealing ring is arranged between the hollow piston and the inner cavity of the cylinder body, the matching position of the outer end part of the cylinder body and the hollow piston is provided with a spacing stop ring and a dust-proof ring, one end of the cylinder body is provided with an oil outlet, and the other end of the hollow cavity of the hollow piston is provided with an oil inlet. The device has the characteristics of high braking efficiency, convenient and rapid use, low cost, etc.
Description
Technical field
The present invention relates to the Associated brake oil cylinder used on a kind of motor bike or the automobile.
Background technology
At present, be accompanied by science and technology development, motor bike and auto-industry have also obtained the fast speed development, especially adopt the motor bike and the development of automobile of hydraulic disk braking faster.The hydraulic brake that is applied thereon is the technical products of widespread usage in the world in recent years, general high-grade motor bike just has associated braking system now, its main body is a duplex brake system, be made of mechanical type Fu, the major and minor oil cylinder of preceding braking, the major and minor oil cylinder of back braking, secondary master cylinder, control cock, it has advantages such as lock torque is big, rapid.The weak point of its existence is before using separately or post brake device, and the reduction ratio of out of reach maximum uses hand and pin to brake simultaneously and just can reach the maximum deceleration ratio.Finish than the coupling of still wanting armrest and pin to handle dynamics and reach maximum deceleration.As emergency situation, the braking skill of chaufeur and condition in the mind are at that time still depended in braking, and this has improved the requirement to chaufeur undoubtedly, therefore use the extremely low of its brake efficiency change of a brake equipment separately.In addition, owing to increased mechanical servo, parts such as ratio adjusting valve, three-port type braking auxiliary oil cylinder, the probability that breaks down also increases greatly, because the particularity of hydraulic efficiency pressure system if numerous accessories has a place braking liquid leakage phenomenon to occur, will cause the decline significantly of braking effect, even all lost efficacy, increased fault rate; The 3rd, because the increasing of accessory causes the raising of cost and the increase of car weight, caused the complexity of manufacturing process simultaneously, be unfavorable for producing and the maintenance of this device.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this invention is to provide a kind of cheap, good braking effect, Associated brake oil cylinder that fault rate is low.
The technical scheme that the present invention solves the problems of the technologies described above employing is: the Associated brake oil cylinder, it is based on a cylinder body 2, the two ends of cylinder body 2 inner chambers have split hollow piston 8 and valve body control mechanism, the valve body control mechanism matches with the cavity 9 of hollow piston 8, be provided with seal ring 4,5 between hollow piston 8 and cylinder body 2 inner chambers, the outer end of cylinder body 2 is provided with spacing back-up ring 6 and dust ring 7 with hollow piston 8 places of matching, one end of cylinder body 2 is provided with oil outlet 1, and the other end of hollow piston 8 cavitys 9 is provided with oil inlet.
Described valve body control mechanism is made up of cone valve, the hollow piston return spring 3 that is fitted on the cone valve, cone valve comprises valve seat and the valve head 10 that matches with valve seat, be provided with spring 11 between the bottom of valve support chamber and the valve head 10, valve head 10 matches with the cavity 9 of hollow piston 8, has groove on the valve head 10; The cavity 9 of described hollow piston 8 is that the external port of cavity 9 is an oil inlet along the cavity of the axis of the piston to setting.
Described valve body control mechanism is made up of check valve 13 and hollow piston return spring 11, and check valve 13 matches with the front end cavity of hollow piston 8; The cavity 9 of described hollow piston 8 is located at the front end of hollow piston, its two-port one end matches with check valve 13 forward, the sidewall of hollow piston 8 is located in the another port, and the sidewall of corresponding cylinder body 2 is provided with oil inlet correspondingly, and oil inlet is divided into compensation orifice 14 and fuel feed hole 15.
Described valve body control mechanism is made up of cone valve, the hollow piston return spring 3 that is fitted on the cone valve, cone valve comprises valve seat and the valve head 10 that matches with valve seat, be provided with spring 11 between the bottom of valve support chamber and the valve head 10, valve head 10 matches with the cavity 9 of hollow piston 8, has groove on the valve head 10; The cavity 9 of described hollow piston 8 is located at the front end of hollow piston, its two-port one end matches with check valve 13 forward, the sidewall of hollow piston 8 is located in the another port, and the sidewall of corresponding cylinder body 2 is provided with oil inlet correspondingly, and oil inlet is divided into compensation orifice 14 and fuel feed hole 15.
The outer end of described hollow piston 8 also is provided with an auxiliary oil cylinder 12 that matches with hollow piston 8.
The front end of described hollow piston 8, the rear end of cone valve are fitted with second oil cylinder 16 by spring 17.
The technological advance that the present invention obtains is: the present invention adopts oil cylinder and is fitted to in-oil cylinder hollow piston and the structure of valve body control mechanism, the Associated brake device of using this Associated brake oil cylinder is fitted on the motor bike, make when using braking handle of motorcycles or brake pedal separately, can both be to the front and back wheel brake activation of motor bike, and can reach the maximum deceleration ratio that in the past uses brake-applying handle and brake pedal just can reach simultaneously, avoided chaufeur in case of emergency only to use a drg only to brake the phenomenon of a wheel, the safety performance and the stability of vehicle have been improved greatly, reduced the braking skill of chaufeur and the requirement of condition in the mind at that time, handle the coupling requirement of dynamics when having reduced emergency braking simultaneously for hand and pin, the slip rate that is easier to make the motor bike front and back wheel all near or be in the scope of optimal slip ratio, when wheel does not produce locking phenomenon, obtain the highest deceleration/decel, also improved stability and the braking effect of motor bike at the glancing impact vehicle body.Again because this device belongs to the dual circuit characteristic, even when a circuits lost efficacy, another set of pipeline still can play the effect of brake wheel, has further improved the safety performance of this device.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of second embodiment of the invention.
Fig. 3 is the structural representation of third embodiment of the invention.
Fig. 4 is the structural representation of four embodiment of the invention.
Fig. 5 is the structural representation of fifth embodiment of the invention.
The specific embodiment
Embodiment one:
The present invention it based on a cylinder body 2, the two ends of cylinder body 2 inner chambers have split hollow piston 8 and valve body control mechanism, the valve body control mechanism matches with the cavity 9 of hollow piston 8, be provided with seal ring 4,5 between hollow piston 8 and cylinder body 2 inner chambers, the outer end of cylinder body 2 is provided with spacing back-up ring 6 and dust ring 7 with hollow piston 8 places of matching, one end of cylinder body 2 is provided with oil outlet 1, and the other end of hollow piston 8 cavitys 9 is provided with oil inlet; The valve body control mechanism is made up of cone valve, the hollow piston return spring 3 that is fitted on the cone valve, cone valve comprises valve seat and the valve head 10 that matches with valve seat, be provided with spring 11 between the bottom of valve support chamber and the valve head 10, valve head 10 matches with the cavity 9 of hollow piston 8, has groove on the valve head 10; The cavity 9 of hollow piston 8 is that the external port of cavity 9 is an oil inlet along the cavity of the axis of the piston to setting.Its principle of work is as follows: when motor bike glancing impact not, the oil inlet of braking liquid on being located at hollow piston enters in the cylinder body, and then enters in the motorcycle front-wheel brake cylinder through oil outlet and pipeline thereof.When hand braking, handle on the hand brake promotes the piston packing compensation orifice in the brake cylinder, make the in-oil cylinder braking liquid of hand brake produce thrust, enter in the cavity of hollow piston through corresponding pipeline, enter in the motorcycle front-wheel brake cylinder through cone valve and oil outlet again, produce thrust, thereby brake disc is produced braking force, make wheel braking.During foot brake,, make cylinder body produce pulling force by being located at the pull bar pulling cylinder body at cylinder body two ends, make the combined cone valve seal live the oil inlet of hollow piston, produce oil pressure in the cylinder body and enter in the motorcycle front-wheel brake cylinder, produce braking force, thereby reach front wheel brake.Because cylinder body inside brake liquid and hollow piston back seal circle hydraulic action withstand open core type piston pulling rear brake, make rear brake produce brake action again.
Embodiment two:
The present invention it based on a cylinder body 2, the two ends of cylinder body 2 inner chambers have split hollow piston 8 and valve body control mechanism, the valve body control mechanism matches with the cavity 9 of hollow piston 8, be provided with seal ring 4,5 between hollow piston 8 and cylinder body 2 inner chambers, the outer end of cylinder body 2 is provided with spacing back-up ring 6 and dust ring 7 with hollow piston 8 places of matching, one end of cylinder body 2 is provided with oil outlet 1, and the other end of hollow piston 8 cavitys 9 is provided with oil inlet; The valve body control mechanism is made up of check valve 13 and hollow piston return spring 11, and check valve 13 matches with the front end cavity of hollow piston 8; The cavity 9 of hollow piston 8 is located at the front end of hollow piston, its two-port one end matches with check valve 13 forward, the sidewall of hollow piston 8 is located in the another port, and the sidewall of corresponding cylinder body 2 is provided with oil inlet correspondingly, and oil inlet is divided into compensation orifice 14 and fuel feed hole 15.
Embodiment three:
The present invention it based on a cylinder body 2, the two ends of cylinder body 2 inner chambers have split hollow piston 8 and valve body control mechanism, the valve body control mechanism matches with the cavity 9 of hollow piston 8, be provided with seal ring 4,5 between hollow piston 8 and cylinder body 2 inner chambers, the outer end of cylinder body 2 is provided with spacing back-up ring 6 and dust ring 7 with hollow piston 8 places of matching, one end of cylinder body 2 is provided with oil outlet 1, and the other end of hollow piston 8 cavitys 9 is provided with oil inlet; The valve body control mechanism is made up of cone valve, the hollow piston return spring 3 that is fitted on the cone valve, cone valve comprises valve seat and the valve head 10 that matches with valve seat, be provided with spring 11 between the bottom of valve support chamber and the valve head 10, valve head 10 matches with the cavity 9 of hollow piston 8, has groove on the valve head 10; The cavity 9 of described hollow piston 8 is located at the front end of hollow piston, its two-port one end matches with check valve 13 forward, the sidewall of hollow piston 8 is located in the another port, and the sidewall of corresponding cylinder body 2 is provided with oil inlet correspondingly, and oil inlet is divided into compensation orifice 14 and fuel feed hole 15.
Embodiment four:
On the basis of embodiment one, the outer end of hollow piston 8 also is provided with an auxiliary oil cylinder 12 that matches with hollow piston 8.
Embodiment five:
On the basis of embodiment three, the front end of hollow piston 8, the rear end of cone valve are fitted with second oil cylinder 16 by spring 17.
Claims (6)
1, Associated brake oil cylinder, it is based on a cylinder body (2), it is characterized in that: the two ends of cylinder body (2) inner chamber have split hollow piston (8) and valve body control mechanism, the valve body control mechanism matches with the cavity (9) of hollow piston (8), be provided with seal ring (4,5) between hollow piston (8) and cylinder body (2) inner chamber, the outer end of cylinder body (2) is provided with spacing back-up ring (6) and dust ring (7) with hollow piston (8) place of matching, one end of cylinder body (2) is provided with oil outlet (1), and the other end of hollow piston (8) cavity (9) is provided with oil inlet.
2, Associated brake oil cylinder according to claim 1, it is characterized in that: described valve body control mechanism is made up of cone valve, the hollow piston return spring (3) that is fitted on the cone valve, cone valve comprises valve seat and the valve head (10) that matches with valve seat, be provided with spring (11) between the bottom of valve support chamber and the valve head (10), valve head (10) matches with the cavity (9) of hollow piston (8), and valve head has groove on (10); The cavity (9) of described hollow piston (8) is that the external port of cavity (9) is an oil inlet along the cavity of the axis of the piston to setting.
3, Associated brake oil cylinder according to claim 1 is characterized in that: described valve body control mechanism is made up of check valve (13) and hollow piston return spring (11), and check valve (13) matches with the front end cavity of hollow piston (8); The cavity (9) of described hollow piston (8) is located at the front end of hollow piston, its two-port one end matches with check valve (13) forward, the sidewall of hollow piston (8) is located in the another port, the sidewall of corresponding cylinder body (2) is provided with oil inlet correspondingly, and oil inlet is divided into compensation orifice (14) and fuel feed hole (15).
4, Associated brake oil cylinder according to claim 1, it is characterized in that: described valve body control mechanism is made up of cone valve, the hollow piston return spring (3) that is fitted on the cone valve, cone valve comprises valve seat and the valve head (10) that matches with valve seat, be provided with spring (11) between the bottom of valve support chamber and the valve head (10), valve head (10) matches with the cavity (9) of hollow piston (8), and valve head has groove on (10); The cavity (9) of described hollow piston (8) is located at the front end of hollow piston, its two-port one end matches with check valve (13) forward, the sidewall of hollow piston (8) is located in the another port, the sidewall of corresponding cylinder body (2) is provided with oil inlet correspondingly, and oil inlet is divided into compensation orifice (14) and fuel feed hole (15).
5, Associated brake oil cylinder according to claim 2 is characterized in that: the outer end of described hollow piston (8) also is provided with an auxiliary oil cylinder (12) that matches with hollow piston (8).
6, Associated brake oil cylinder according to claim 4 is characterized in that: the front end of described hollow piston (8), the rear end of cone valve are fitted with second oil cylinder (16) by spring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410012184XA CN100337865C (en) | 2004-03-16 | 2004-03-16 | Combined brake cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410012184XA CN100337865C (en) | 2004-03-16 | 2004-03-16 | Combined brake cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1562683A CN1562683A (en) | 2005-01-12 |
| CN100337865C true CN100337865C (en) | 2007-09-19 |
Family
ID=34477925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410012184XA Expired - Fee Related CN100337865C (en) | 2004-03-16 | 2004-03-16 | Combined brake cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100337865C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421212A (en) * | 1980-12-18 | 1983-12-20 | Itt Industries, Inc. | Brake control valve arrangement |
| CN2035003U (en) * | 1988-04-30 | 1989-03-29 | 王作仁 | Automatic hydraulic booster pump |
| CN2073840U (en) * | 1990-08-01 | 1991-03-27 | 史占彪 | Main pump of automobile hydraulic brake |
| CN2186687Y (en) * | 1994-03-23 | 1995-01-04 | 兰州铁路局科学技术研究所 | Backflow resistance dual critical speed reducing head |
| US5921084A (en) * | 1996-07-23 | 1999-07-13 | Robert Bosch Technology Corporation | Power-assisted braking device with a variable assistance ratio |
| US6093003A (en) * | 1997-03-21 | 2000-07-25 | Robert Bosch Gmbh | Piston pump |
-
2004
- 2004-03-16 CN CNB200410012184XA patent/CN100337865C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421212A (en) * | 1980-12-18 | 1983-12-20 | Itt Industries, Inc. | Brake control valve arrangement |
| CN2035003U (en) * | 1988-04-30 | 1989-03-29 | 王作仁 | Automatic hydraulic booster pump |
| CN2073840U (en) * | 1990-08-01 | 1991-03-27 | 史占彪 | Main pump of automobile hydraulic brake |
| CN2186687Y (en) * | 1994-03-23 | 1995-01-04 | 兰州铁路局科学技术研究所 | Backflow resistance dual critical speed reducing head |
| US5921084A (en) * | 1996-07-23 | 1999-07-13 | Robert Bosch Technology Corporation | Power-assisted braking device with a variable assistance ratio |
| US6093003A (en) * | 1997-03-21 | 2000-07-25 | Robert Bosch Gmbh | Piston pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1562683A (en) | 2005-01-12 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20100316 |