CN203067623U - Divided brake master cylinder with double chambers - Google Patents
Divided brake master cylinder with double chambers Download PDFInfo
- Publication number
- CN203067623U CN203067623U CN 201320041701 CN201320041701U CN203067623U CN 203067623 U CN203067623 U CN 203067623U CN 201320041701 CN201320041701 CN 201320041701 CN 201320041701 U CN201320041701 U CN 201320041701U CN 203067623 U CN203067623 U CN 203067623U
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- CN
- China
- Prior art keywords
- chamber
- piston
- brake master
- master cylinder
- push rod
- 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 - Fee Related
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- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The utility model discloses a divided brake master cylinder with double chambers. A fixed clapboard in the middle of a cylinder body divides the cylinder body into a driving working chamber and a driven working chamber, wherein a driving push rod piston is arranged in the driving working chamber and connected with a connecting push rod; a packing cup is arranged on the driving push rod piston; the connecting push rod is connected with a driven piston inside the driven working chamber after penetrating through a clapboard oil seal and the clapboard; a return spring can/cannot be arranged inside the driving working chamber; the driven piston and another packing cup are arranged inside the driven working chamber; another return spring can/cannot be arranged inside the driven working chamber; compensating holes, oil inlets and oil outlets are arranged in the cylinder body; and cross sectional areas of the driving working chamber and the driven working chamber can be equal or unequal. Through the adoption of the divided brake master cylinder with double chambers which is simple in structure and convenient for manufacture, the independence of double chambers can be realized; and during the braking, when one group of the packing cups or pipelines in a front wheel or a rear-wheel leaks oil, the other group of the packing cups or pipelines without oil leakage enables an automobile to brake normally, as a result, the driving safety of the automobile is guaranteed.
Description
Technical field
The utility model relates to a kind of two-chamber separated type brake master cylinder of the braking system for motor vehicle.
Background technique
The hydraulic brake master that uses all is to adopt single chamber brake master cylinder or two-chamber follow-up-type brake master cylinder now, single chamber brake master cylinder and two-chamber follow-up-type brake master cylinder will cause not braking of automobile when running into a component cylinder leather cup in front-wheel or the trailing wheel or pipeline leakage of oil when automobile brake, produce dangerous.
The model utility content
The purpose that the utility model relates to is for brake master cylinder and the manufacture method thereof of the good separated type of a kind of braking safety are provided.
For achieving the above object, two-chamber separated type brake master cylinder described in the utility model mainly comprises cylinder body, active push-rod piston pair, relay piston pair, compensate opening, oil inlet hole, oil outlet, return spring, dividing plate, oil sealing.There is stationary barrier that cylinder body is divided into first moving chamber and slave operation chamber at the middle part of cylinder body; Front end in elder generation's moving chamber has fixedly push rod oil sealing of jump ring, the push rod oil-sealing sleeve is on the pusher section of active push-rod piston, initiatively on the push-rod piston leather cup is arranged, initiatively push-rod piston with is connected the push rod connection, the connection push rod passes behind dividing plate oil sealing, the dividing plate with the indoor relay piston of slave operation and is connected; In elder generation's moving chamber return spring can be arranged, also can not have return spring, connect push rod when return spring is arranged and pass from return spring; Slave operation is indoor relay piston, leather cup, and return spring can be arranged, and also can not have return spring; Initiatively push-rod piston with is connected push rod, relay piston, leather cup and forms fixing piston group, integral body moves during work; Compensate opening, oil inlet hole and the oil outlet of elder generation's moving chamber and slave operation chamber are on cylinder body; Distance between the compensate opening of elder generation's compensate opening of moving chamber and slave operation chamber is more than or equal to the distance between the leather cup of the leather cup of first moving chamber and slave operation chamber; The elder generation moving chamber can equate with the cross-section area of slave operation chamber, also can be unequal.
In order to make front wheel brake first, the time of the leather cup sealing compensate opening that the time ratio slave operation of two-chamber separated type brake master cylinder described in the utility model leather cup sealing compensate opening in elder generation's moving chamber when work is indoor early.
For varying in size of the required braking force of the wheel cylinder of each bridge location of cooperating automobile, the first moving chamber of two-chamber separated type brake master cylinder described in the utility model can equate with the cross-section area of slave operation chamber, also can be unequal, the pressure that first moving chamber and slave operation chamber are produced when working equates or is unequal.
In order to make the minimizing discrete, the active push-rod piston of two-chamber separated type brake master cylinder described in the utility model be connected push rod and can separate and be assembled into an integral body again after making, perhaps the active push-rod piston be connected push rod and manufacture an integral body; Relay piston be connected push rod and can separate and be assembled into an integral body again after making, perhaps relay piston be connected push rod and manufacture an integral body; When integral body was made, connecting push rod can not manufacture as a whole with active push-rod piston and relay piston simultaneously.
For the ease of assembling and minimizing accessory, the first moving chamber of two-chamber separated type brake master cylinder described in the utility model and slave operation are indoor can return spring, also can have only in the working room return spring is arranged.
For the ease of assembling with make, the dividing plate of two-chamber separated type brake master cylinder described in the utility model can separate with cylinder body and is assembled into an integral body again after making, and perhaps manufactures dividing plate and cylinder body as a whole; Cylinder body and dividing plate manufacture as a whole after, the rear end of cylinder body is provided with the port that can seal, the relay piston that slave operation is indoor and leather cup are packed into from the back of cylinder body.
The utility model two-chamber separated type brake master cylinder simple in structure, be convenient to make; After having adopted two-chamber separated type brake master cylinder, realized that two-chamber is independent, when meeting wherein one group of leather cup in front-wheel or the trailing wheel or pipeline leakage of oil during braking, oil tight one group can normal brake application, guaranteed the driving safety of automobile.
Description of drawings
Fig. 1 is the cross-sectional schematic of the internal structure of the utility model two-chamber separated type brake master cylinder.
Fig. 2 is that the connection push rod of the utility model two-chamber separated type brake master cylinder inside manufactures as a whole structure cross-sectional schematic with the active push-rod piston.
Fig. 3 is that connection push rod and the relay piston of the utility model two-chamber separated type brake master cylinder inside manufactures as a whole structure cross-sectional schematic.
Fig. 4 is the structure cross-sectional schematic that does not have return spring in working room, inside of the utility model two-chamber separated type brake master cylinder.
Embodiment
The utility model two-chamber separated type brake master cylinder mainly comprises cylinder body 1, active push-rod piston pair, relay piston pair, compensate opening, oil inlet hole 9, oil outlet 10, return spring 14, dividing plate 5, oil sealing.There is stationary barrier 5 that cylinder body is divided into first moving chamber and slave operation chamber at the middle part of cylinder body; Front end in elder generation's moving chamber has fixedly push rod oil sealing 7 of jump ring 8, push rod oil sealing 7 is enclosed within on the pusher section of active push-rod piston 2, initiatively on the push-rod piston 2 leather cup 4 is arranged, initiatively push-rod piston 2 with is connected push rod 13 and connects, connection push rod 13 passes dividing plate oil sealing 6, dividing plate 5 and afterwards is connected with the indoor relay piston 3 of slave operation; In elder generation's moving chamber return spring 14 can be arranged, also can not have return spring 14, connect push rod 13 when return spring 14 is arranged and pass from return spring 14; Slave operation is indoor relay piston 3, leather cup 4, and return spring 14 can be arranged, and also can not have return spring 14; Initiatively push-rod piston 2 with is connected push rod 13, relay piston 3, leather cup 4 and forms fixing piston group, integral body moves during work; Compensate opening, oil inlet hole and the oil outlet of elder generation's moving chamber and slave operation chamber are on cylinder body; Distance between the compensate opening 12 of elder generation's compensate opening 11 of moving chamber and slave operation chamber is more than or equal to the distance between the leather cup 4 of the leather cup 4 of first moving chamber and slave operation chamber; The elder generation moving chamber can equate with the cross-section area of slave operation chamber, also can be unequal.
In order to make front wheel brake first, the time of the leather cup 4 sealing compensate openings 11 that the time ratio slave operation of the leather cup 4 sealing compensate openings 11 when work in elder generation's moving chamber is indoor early.For varying in size of the required braking force of the wheel cylinder of each bridge location of cooperating automobile, elder generation's moving chamber can equate with the cross-section area of slave operation chamber, also can be unequal, the pressure that first moving chamber and slave operation chamber are produced when working equates or is unequal.In order to make the minimizing discrete, initiatively push-rod piston 2 be connected push rod 13 and can separate and be assembled into an integral body again after making, perhaps active push-rod piston 2 be connected push rod 13 and manufacture an integral body; Relay piston 3 be connected push rod 13 and can separate and be assembled into an integral body again after making, perhaps relay piston 3 be connected push rod 13 and manufacture an integral body; When integral body was made, connecting push rod 13 can not manufacture as a whole with active push-rod piston 2 and relay piston 3 simultaneously.For the ease of assembling and minimizing accessory, first moving chamber and slave operation are indoor can return spring 14, also can have only in the working room return spring 14 is arranged.For the ease of assembling with make, dividing plate 5 can separate with cylinder body 1 and is assembled into an integral body again after making, and perhaps manufactures dividing plate 5 and cylinder body 1 as a whole; Cylinder body 1 and dividing plate 5 manufacture as a whole after, the rear end of cylinder body 1 is provided with the port that can seal, relay piston 3 and leather cup 4 that slave operation is indoor are packed into from the back of cylinder body.
The preferred implementation of the utility model two-chamber separated type brake master cylinder is: relay piston 3 be connected push rod 13 and manufacture an integral body, only formerly in the moving chamber return spring is installed, the distance between the compensate opening of the compensate opening of first moving chamber and slave operation chamber is greater than the distance between the leather cup of the leather cup of first moving chamber and slave operation chamber.The wheel cylinder of front-wheel is connected with the oil outlet of first moving chamber, and the wheel cylinder of trailing wheel is connected with the oil outlet of slave operation chamber.
The utility model two-chamber separated type brake master cylinder is after installing at automobile, when needing to brake in the automobile running, depress brake petal, promoting initiatively, push-rod piston 2 moves forward, the leather cup 4 that promotes in the first moving chamber compresses the wheel cylinder that the interior hydraulic oil of first moving chamber is introduced into front-wheel, drive the wheel cylinder that slave operation indoor relay piston 3 and the indoor hydraulic oil of leather cup 4 compression slave operations enter trailing wheel again, produce braking force.When needing brake off, loosen the brake, and brake off.When the leather cup 7 in wheelcylinder cup, connecting tube and the first moving chamber of front-wheel damaged, under the effect that connects push rod 13, indoor of slave operation so can proper functioning, allows trailing wheel that sufficient braking force is arranged.When the indoor leather cup of wheelcylinder cup, connecting tube and the slave operation of trailing wheel 7 damaged, under the effect of active push-rod piston 2, appointing in the first moving chamber so can proper functioning, allows front-wheel that sufficient braking force is arranged.When needing brake off, loosen the brake, initiatively push rod does not have pressure and brake off.
Claims (6)
1. two-chamber separated type brake master cylinder, it mainly comprises cylinder body (1), initiatively push-rod piston pair, relay piston pair, compensate opening, oil inlet hole (9), oil outlet (10), return spring (14), dividing plate (5), oil sealing; It is characterized in that: the middle part of the cylinder body of two-chamber separated type brake master cylinder has stationary barrier (5) that cylinder body is divided into first moving chamber and slave operation chamber; Front end in elder generation's moving chamber has fixedly push rod oil sealing (7) of jump ring (8), push rod oil sealing (7) is enclosed within on the pusher section of active push-rod piston (2), initiatively on the push-rod piston (2) leather cup (4) is arranged, initiatively push-rod piston (2) with is connected push rod (13) and connects, connection push rod (13) pass dividing plate oil sealing (6), dividing plate (5) afterwards the relay piston (3) indoor with slave operation be connected; In elder generation's moving chamber return spring (14) can be arranged, also can not have return spring (14), connect push rod (13) when return spring (14) is arranged and pass from return spring (14); Slave operation is indoor relay piston (3), leather cup (4), and return spring (14) can be arranged, and also can not have return spring (14); Initiatively push-rod piston (2) with is connected push rod (13), relay piston (3), leather cup (4) and forms fixing piston group, integral body moves during work; Compensate opening, oil inlet hole and the oil outlet of elder generation's moving chamber and slave operation chamber are on cylinder body; Distance between the compensate opening (12) of elder generation's compensate opening (11) of moving chamber and slave operation chamber is more than or equal to the distance between the leather cup (4) of the leather cup (4) of first moving chamber and slave operation chamber; Elder generation's moving chamber can equate with the cross-section area of slave operation chamber or be unequal.
2. two-chamber separated type brake master cylinder according to claim 1 is characterized in that: morning time of leather cup (4) the sealing compensate opening (11) that the time ratio slave operation of two-chamber separated type brake master cylinder leather cup (4) sealing compensate opening (11) in elder generation's moving chamber when work is indoor.
3. two-chamber separated type brake master cylinder according to claim 1 is characterized in that: the pressure that the first moving chamber of two-chamber separated type brake master cylinder and slave operation chamber produce when work equates or is unequal.
4. two-chamber separated type brake master cylinder according to claim 1, it is characterized in that: the active push-rod piston (2) of two-chamber separated type brake master cylinder be connected push rod (13) and can separate and be assembled into an integral body again after making, perhaps active push-rod piston (2) be connected push rod (13) and manufacture an integral body; Relay piston (3) be connected push rod (13) and can separate and be assembled into an integral body again after making, perhaps relay piston (3) be connected push rod (13) and manufacture an integral body; When integral body was made, connecting push rod (13) can not manufacture as a whole with active push-rod piston (2) and relay piston (3) simultaneously.
5. two-chamber separated type brake master cylinder according to claim 1, it is characterized in that: the first moving chamber of two-chamber separated type brake master cylinder and slave operation are indoor can return spring (14), also can have only return spring (14) is arranged in the working room.
6. two-chamber separated type brake master cylinder according to claim 1, it is characterized in that: the dividing plate (5) of two-chamber separated type brake master cylinder can separate with cylinder body (1) and is assembled into an integral body again after making, and perhaps manufactures dividing plate (5) and cylinder body (1) as a whole; Cylinder body (1) and dividing plate (5) manufacture as a whole after, the rear end of cylinder body (1) is provided with the port that can seal, relay piston (3) and leather cup (4) that slave operation is indoor are packed into from the back of cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041701 CN203067623U (en) | 2013-01-25 | 2013-01-25 | Divided brake master cylinder with double chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041701 CN203067623U (en) | 2013-01-25 | 2013-01-25 | Divided brake master cylinder with double chambers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067623U true CN203067623U (en) | 2013-07-17 |
Family
ID=48766410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320041701 Expired - Fee Related CN203067623U (en) | 2013-01-25 | 2013-01-25 | Divided brake master cylinder with double chambers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089869A (en) * | 2013-01-25 | 2013-05-08 | 徐浩钟 | Double-cavity separation type brake master cylinder |
| CN103511502A (en) * | 2013-10-12 | 2014-01-15 | 安徽江淮汽车股份有限公司 | Clutch position sensing device |
-
2013
- 2013-01-25 CN CN 201320041701 patent/CN203067623U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089869A (en) * | 2013-01-25 | 2013-05-08 | 徐浩钟 | Double-cavity separation type brake master cylinder |
| CN103089869B (en) * | 2013-01-25 | 2017-10-31 | 徐毓艺 | Double-cavity separation type brake master cylinder |
| CN103511502A (en) * | 2013-10-12 | 2014-01-15 | 安徽江淮汽车股份有限公司 | Clutch position sensing device |
| CN103511502B (en) * | 2013-10-12 | 2015-10-14 | 安徽江淮汽车股份有限公司 | A kind of clutch position sensing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |