CN103089869B - Double-cavity separation type brake master cylinder - Google Patents
Double-cavity separation type brake master cylinder Download PDFInfo
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- CN103089869B CN103089869B CN201310029334.7A CN201310029334A CN103089869B CN 103089869 B CN103089869 B CN 103089869B CN 201310029334 A CN201310029334 A CN 201310029334A CN 103089869 B CN103089869 B CN 103089869B
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- Prior art keywords
- slave operation
- operation room
- moving chamber
- piston
- leather cup
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- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The invention discloses a kind of double-cavity separation type brake master cylinder, there is stationary barrier that cylinder body is divided into first moving chamber and slave operation room in the middle part of its cylinder body；There is active push-rod piston in first moving chamber, there is leather cup on active push-rod piston, active push-rod piston is connected with being connected push rod connection, connection push rod after passing through dividing plate oil sealing, dividing plate with the relay piston in slave operation room, and return spring can be with or without in first moving chamber；There are relay piston, leather cup in slave operation room, return spring can be with or without；Hole, fuel feed hole and oil outlet are compensated on cylinder body；First moving chamber and the cross-sectional area of slave operation room can be with equal or unequal.Employ it is simple in construction, be easy to after manufacture double-cavity separation type brake master cylinder, realize that two-chamber is independent, when front-wheel or one of which leather cup in trailing wheel or pipeline oil leak are met during braking, oil-proof one group being capable of normal brake application, it is ensured that the driving safety of automobile.
Description
Technical field
The present invention relates to a kind of double-cavity separation type brake master cylinder of the brakes for motor vehicles.
Background technology
The hydraulic brake master used now is all using single-chamber master cylinder either two-chamber trailing type master cylinder, list
Chamber master cylinder and two-chamber trailing type master cylinder run into a component cylinder leather cup or pipe in front-wheel or trailing wheel in automobile brake
Automobile is will result in during road oil leak not brake, and is produced dangerous.
The content of the invention
The purpose that the present invention is related to is to provide for master cylinder and its manufacturer of a kind of good cellular-type of braking safety
Method.
To achieve the above object, double-cavity separation type brake master cylinder of the present invention mainly includes cylinder body, the work of active push rod
Plug is secondary, relay piston is secondary, compensate hole, fuel feed hole, oil outlet, return spring, dividing plate, oil sealing.Have in the middle part of cylinder body it is fixed every
Cylinder body is divided into first moving chamber and slave operation room by plate；Front end in first moving chamber has jump ring to fix push rod oil sealing, push rod
Oil-sealing sleeve has leather cup, active push-rod piston is with being connected push rod on the pusher section of active push-rod piston on active push-rod piston
Connection, connection push rod is connected after passing through dividing plate oil sealing, dividing plate with the relay piston in slave operation room；Can be with first moving chamber
There is return spring, there can also be connection push rod during return spring to be passed through from return spring without return spring；In slave operation room
There are relay piston, leather cup, there can be return spring, can also be without return spring；Active push-rod piston with being connected push rod, it is driven
The fixed piston group of piston, leather cup composition, is moved integrally during work；The compensation hole of first moving chamber and slave operation room, oil-feed
Hole and oil outlet are on cylinder body；The distance between the compensation hole of first moving chamber and compensation hole of slave operation room are more than or equal to
The distance between the leather cup of first moving chamber and the leather cup of slave operation room；First moving chamber and the cross-sectional area of slave operation room
Can be with equal, can also be unequal.
In order that front wheel brake is first, double-cavity separation type brake master cylinder of the present invention is operationally in first moving chamber
Leather cup closing compensation hole time than in slave operation room leather cup closing compensation hole time it is early.
Of different sizes, the two-chamber of the present invention point of the brake force needed for wheel cylinder in order to coordinate each bridge location of automobile
Cross-sectional area every first moving chamber and the slave operation room of formula master cylinder can be with equal, can also be unequal, makes first to start building
It is equal or unequal with pressure that slave operation room is operationally produced to make room.
In order that reducing discrete, the active push-rod piston of double-cavity separation type brake master cylinder of the present invention is with being connected
Push rod can be then assembled into an entirety after separately manufactured, or active push-rod piston be connected push rod be manufactured into one it is whole
Body；Relay piston can be to be then assembled into an entirety after separately manufactured, or relay piston with being connected push rod with being connected push rod
It is formed integrally as；In integrally manufacture, connection push rod can not be manufactured as with active push-rod piston and relay piston simultaneously
One entirety.
For the ease of assembling and reducing accessory, the first moving chamber of double-cavity separation type brake master cylinder of the present invention and from
There can be return spring in moving chamber, there can also be return spring in only one of which operating room.
For the ease of assembling and manufacturing, the dividing plate of double-cavity separation type brake master cylinder of the present invention can be with cylinder body
An entirety is then assembled into after separately manufactured, or dividing plate and cylinder body are manufactured as an entirety；Cylinder body and diaphragm manufacture into
After an entirety, the rear end of cylinder body provided with can sealed port, relay piston and leather cup in slave operation room are from cylinder body
Behind load.
Double-cavity separation type brake master cylinder of the present invention it is simple in construction, be easy to manufacture；Employ double-cavity separation type brake master cylinder
Afterwards, two-chamber is realized independent, when front-wheel or one of which leather cup in trailing wheel or pipeline oil leak are met during braking, oil-proof one group
Being capable of normal brake application, it is ensured that the driving safety of automobile.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the internal structure of double-cavity separation type brake master cylinder of the present invention.
Fig. 2 is that the connection push rod inside double-cavity separation type brake master cylinder of the present invention is manufactured as one with active push-rod piston
Overall structure schematic cross-sectional view.
Fig. 3 is that the connection push rod inside double-cavity separation type brake master cylinder of the present invention is manufactured as an entirety with relay piston
Structure schematic cross-sectional view.
Fig. 4 is that do not have the structure section view of return spring in the operating room of inside one of double-cavity separation type brake master cylinder of the present invention
Schematic diagram.
Embodiment
Double-cavity separation type brake master cylinder of the present invention mainly includes secondary cylinder body 1, active push-rod piston, relay piston pair, compensation
Hole, fuel feed hole 9, oil outlet 10, return spring 14, dividing plate 5, oil sealing.There is stationary barrier 5 that cylinder body is divided into elder generation in the middle part of cylinder body
Moving chamber and slave operation room；Front end in first moving chamber has jump ring 8 to fix push rod oil sealing 7, and push rod oil sealing 7 is enclosed on actively
On the pusher section of push-rod piston 2, there is leather cup 4 on active push-rod piston 2, active push-rod piston 2 is connected with being connected push rod 13, even
Connect after push rod 13 passes through dividing plate oil sealing 6, dividing plate 5 and be connected with the relay piston 3 in slave operation room；Can have in first moving chamber
Return spring 14, can also have connection push rod 13 during return spring 14 to be passed through from return spring 14 without return spring 14；It is driven
There are relay piston 3, leather cup 4 in operating room, there can be return spring 14, can also be without return spring 14；Active push-rod piston 2
The piston group of fixation is constituted with being connected push rod 13, relay piston 3, leather cup 4, is moved integrally during work；First moving chamber and driven
Compensation hole, fuel feed hole and the oil outlet of operating room are on cylinder body；The compensation in the compensation hole 11 and slave operation room of first moving chamber
The distance between hole 12 is more than or equal to the distance between the leather cup 4 of first moving chamber and the leather cup 4 of slave operation room；First start building
The cross-sectional area for making room and slave operation room can be with equal, can also be unequal.
In order that front wheel brake is first, operationally the time ratio in the closing compensation of leather cup 4 hole 11 in first moving chamber from
The time in the closing compensation of leather cup 4 hole 11 in moving chamber is early.The braking needed for wheel cylinder in order to coordinate each bridge location of automobile
Power it is of different sizes, the cross-sectional area of first moving chamber and slave operation room can be with equal, can also be unequal, makes first to start building to make
Room and the pressure that slave operation room is operationally produced are equal or unequal.In order that reducing discrete, active push-rod piston 2
Can be to be then assembled into an entirety after separately manufactured with being connected push rod 13, or active push-rod piston 2 made with being connected push rod 13
Cause an entirety；Relay piston 3 can be to be then assembled into an entirety after separately manufactured, or driven work with being connected push rod 13
Plug 3 is formed integrally as with being connected push rod 13；Integrally manufacture when, connection push rod 13 can not simultaneously with active push-rod piston 2
An entirety is manufactured as with relay piston 3.Can in accessory, first moving chamber and slave operation room for the ease of assembling and reducing
To there is return spring 14, there can also be return spring 14 in only one of which operating room.For the ease of assembling and manufacturing, dividing plate 5
Can be to be then assembled into an entirety after separately manufactured with cylinder body 1, or dividing plate 5 and cylinder body 1 are manufactured as an entirety；
Cylinder body 1 and dividing plate 5 are manufactured as after an entirety, the rear end of cylinder body 1 provided with can sealed port, in slave operation room from
Piston 3 and leather cup 4 load behind cylinder body.
The preferred embodiment of double-cavity separation type brake master cylinder of the present invention is：Relay piston 3 is manufactured with being connected push rod 13
Into an entirety, return spring, the benefit in the compensation hole and slave operation room of first moving chamber are only formerly installed in moving chamber
Repay the distance between hole and be more than the distance between the leather cup of first moving chamber and the leather cup of slave operation room.The wheel cylinder of front-wheel
It is connected with the oil outlet of first moving chamber, the wheel cylinder of trailing wheel is connected with the oil outlet of slave operation room.
When double-cavity separation type brake master cylinder of the present invention needs braking after being installed on automobile, in running car, depress
Brake pedal, promotes active push-rod piston 2 to move forward, and promotes the leather cup 4 in first moving chamber to compress in first moving chamber
Hydraulic oil is introduced into the wheel cylinder of front-wheel, then drives the relay piston 3 in slave operation room and the compression slave operation of leather cup 4 room
Interior hydraulic oil enters the wheel cylinder of trailing wheel, produces brake force.When needing to release braking, loosen the brake, and release system
It is dynamic.When the leather cup 7 in the wheelcylinder cup of front-wheel, connecting pipe and first moving chamber is damaged, in the presence of connection push rod 13,
In slave operation room appoint so can normal work, allow trailing wheel have abundance brake force.When the wheelcylinder cup of trailing wheel, connecting pipe and
When leather cup 7 in slave operation room is damaged, appointing in the presence of active push-rod piston 2, in first moving chamber so being capable of normal work
Make, allow front-wheel to have the brake force of abundance.Need release brake when, loosen the brake, active push rod no pressure and release braking.
Claims (6)
1. a kind of double-cavity separation type brake master cylinder, it mainly includes cylinder body（1）, active push-rod piston is secondary, relay piston is secondary, compensation
Hole, fuel feed hole（9）, oil outlet（10）, return spring（14）, dividing plate（5）, oil sealing；It is characterized in that：Double-cavity separation type braking master
There is stationary barrier in the middle part of the cylinder body of cylinder（5）Cylinder body is divided into first moving chamber and slave operation room；Before in first moving chamber
There is jump ring at end（8）Fixed push rod oil sealing（7）, push rod oil sealing（7）It is enclosed on active push-rod piston（2）Pusher section on, actively push away
Bar piston（2）On have leather cup（4）, active push-rod piston（2）With being connected push rod（13）Connection, connects push rod（13）Through dividing plate oil
Envelope（6）, dividing plate（5）Afterwards with the relay piston in slave operation room（3）Connection；Return spring is with or without in first moving chamber
（14）, there is return spring（14）When connect push rod（13）From return spring（14）Pass through；Slave operation has relay piston in room
（3）, leather cup（4）Or have relay piston in slave operation room（3）, leather cup（4）, return spring（14）；Active push-rod piston（2）With
Connect push rod（13）, relay piston（3）, leather cup in first moving chamber（4）With the leather cup in slave operation room（4）Composition is fixed
Piston group, moved integrally during work；Compensation hole, fuel feed hole and the oil outlet of first moving chamber and slave operation room are in cylinder body
On；The compensation hole of first moving chamber（11）With the compensation hole of slave operation room（12）The distance between be more than or equal to first start building make
The leather cup of room（4）With the leather cup of slave operation room（4）The distance between；First moving chamber and the cross-sectional area phase of slave operation room
Deng or it is unequal；
Active push-rod piston（2）With being connected push rod（13）An entirety is then assembled into after separately manufactured, or active push rod is lived
Plug（2）With being connected push rod（13）It is formed integrally as；Relay piston（3）With being connected push rod（13）It is then assembled into after separately manufactured
One entirety, or relay piston（3）With being connected push rod（13）It is formed integrally as；In integrally manufacture, push rod is connected
（13）Can not simultaneously with active push-rod piston（2）And relay piston（3）It is manufactured as an entirety；
Dividing plate（5）With cylinder body（1）An entirety is then assembled into after separately manufactured, or dividing plate（5）And cylinder body（1）It is manufactured as
One entirety；Cylinder body（1）And dividing plate（5）It is manufactured as after an entirety, cylinder body（1）Rear end provided with can sealed port,
Relay piston in slave operation room（3）And leather cup（4）Load behind cylinder body.
2. double-cavity separation type brake master cylinder according to claim 1, it is characterised in that：Double-cavity separation type brake master cylinder is in work
Leather cup when making in first moving chamber（4）Compensation hole in the first moving chamber of closing（11）Time than the skin in slave operation room
Bowl（4）Close the compensation hole in slave operation room（12）Time it is early.
3. double-cavity separation type brake master cylinder according to claim 1, it is characterised in that：The elder generation of double-cavity separation type brake master cylinder
Moving chamber and the pressure that slave operation room is operationally produced are equal or unequal.
4. double-cavity separation type brake master cylinder according to claim 1, it is characterised in that：Double-cavity separation type brake master cylinder
When braking is needed after being installed on automobile, in running car, brake pedal is depressed, active push-rod piston is promoted（2）Move forward,
Promote the leather cup in first moving chamber（4）Hydraulic oil in the first moving chamber of compression is introduced into the wheel cylinder of front-wheel, then drives
Relay piston in slave operation room（3）And leather cup（4）The wheel cylinder that the hydraulic oil in slave operation room enters trailing wheel is compressed,
Produce brake force.
5. double-cavity separation type brake master cylinder according to claim 1, it is characterised in that：The elder generation of double-cavity separation type brake master cylinder
There is return spring in moving chamber and slave operation room（14）, or first moving chamber and the work of slave operation room only one of which
There is return spring interior（14）.
6. double-cavity separation type brake master cylinder according to claim 1, it is characterised in that：Wheelcylinder cup, connection when front-wheel
Leather cup in pipeline and first moving chamber（4）During damage, in connection push rod（13）In the presence of, appoint in slave operation room and so can
Normal work, allows trailing wheel to have the brake force of abundance；Leather cup in the wheelcylinder cup of trailing wheel, connecting pipe and slave operation room
（4）During damage, in active push-rod piston（2）In the presence of, appoint in first moving chamber so can normal work, allow front-wheel to have abundance
Brake force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310029334.7A CN103089869B (en) | 2013-01-25 | 2013-01-25 | Double-cavity separation type brake master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310029334.7A CN103089869B (en) | 2013-01-25 | 2013-01-25 | Double-cavity separation type brake master cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103089869A CN103089869A (en) | 2013-05-08 |
| CN103089869B true CN103089869B (en) | 2017-10-31 |
Family
ID=48202837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310029334.7A Expired - Fee Related CN103089869B (en) | 2013-01-25 | 2013-01-25 | Double-cavity separation type brake master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103089869B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195072B (en) * | 2016-08-26 | 2018-12-14 | 天津市广山津达机械有限责任公司 | A kind of two-way cylinder and interior inlay two-way cylinder formula hydraulic brake caliper |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10267057A (en) * | 1997-03-25 | 1998-10-06 | Kayaba Ind Co Ltd | Disk brake device |
| CN1718483A (en) * | 2005-03-17 | 2006-01-11 | 徐浩钟 | Proportional distribution brake main cylinder |
| CN201521582U (en) * | 2009-10-26 | 2010-07-07 | 芜湖聚达汽车零部件有限公司 | Double-brake master cylinder assembly |
| CN201891777U (en) * | 2010-11-18 | 2011-07-06 | 芜湖聚达汽车零部件有限公司 | Single-pipeline brake master cylinder assembly |
| JP2011190876A (en) * | 2010-03-15 | 2011-09-29 | Nissin Kogyo Co Ltd | Disk brake device |
| CN202001531U (en) * | 2011-03-15 | 2011-10-05 | 温州市东启汽车零部件制造有限公司 | Plunger-type brake master cylinder |
| CN203067623U (en) * | 2013-01-25 | 2013-07-17 | 徐浩钟 | Divided brake master cylinder with double chambers |
-
2013
- 2013-01-25 CN CN201310029334.7A patent/CN103089869B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10267057A (en) * | 1997-03-25 | 1998-10-06 | Kayaba Ind Co Ltd | Disk brake device |
| CN1718483A (en) * | 2005-03-17 | 2006-01-11 | 徐浩钟 | Proportional distribution brake main cylinder |
| CN201521582U (en) * | 2009-10-26 | 2010-07-07 | 芜湖聚达汽车零部件有限公司 | Double-brake master cylinder assembly |
| JP2011190876A (en) * | 2010-03-15 | 2011-09-29 | Nissin Kogyo Co Ltd | Disk brake device |
| CN201891777U (en) * | 2010-11-18 | 2011-07-06 | 芜湖聚达汽车零部件有限公司 | Single-pipeline brake master cylinder assembly |
| CN202001531U (en) * | 2011-03-15 | 2011-10-05 | 温州市东启汽车零部件制造有限公司 | Plunger-type brake master cylinder |
| CN203067623U (en) * | 2013-01-25 | 2013-07-17 | 徐浩钟 | Divided brake master cylinder with double chambers |
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| Publication number | Publication date |
|---|---|
| CN103089869A (en) | 2013-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Yuyi Inventor after: Xu Yuanzhi Inventor after: Xu Zhengwei Inventor after: Yu Hongyi Inventor before: Xu Haozhong Inventor before: Xu Yuanzhi Inventor before: Xu Zhengwei Inventor before: Yu Hongyi |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170912 Address after: 401200 Chongqing Changshou District, Changshou Road, No. 96 Applicant after: Xu Yuyi Address before: 408099, No. 87, Renmin East Road, Fuling District, Chongqing, 3-6-1 Applicant before: Xu Haozhong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20171031 Termination date: 20220125 |