CN203272549U - Proportional distribution brake master cylinder - Google Patents
Proportional distribution brake master cylinder Download PDFInfo
- Publication number
- CN203272549U CN203272549U CN 201320041688 CN201320041688U CN203272549U CN 203272549 U CN203272549 U CN 203272549U CN 201320041688 CN201320041688 CN 201320041688 CN 201320041688 U CN201320041688 U CN 201320041688U CN 203272549 U CN203272549 U CN 203272549U
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- CN
- China
- Prior art keywords
- master cylinder
- brake master
- moving
- return spring
- type brake
- 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 proportional distribution brake master cylinder. The middle part of a cylinder body of the proportional distribution brake master cylinder is provided with a fixed separator for dividing the cylinder body into a first-moving workroom and a driven workroom; after passing through a component force spring, a lock plate or a nut, an auxiliary return spring, a first-moving piston pair, a push rod piston oil seal, a return spring, a separator oil seal and the separator, a driven push rod in the first-moving workroom is connected with a driven piston in the driven workroom; the auxiliary return spring is arranged between a clamping sheet and a bearing hole of a first-moving piston; the driven piston and leather cups are arranged in the driven workroom; compensating holes, oil inlet holes and oil outlet holes of the first-moving workroom and the driven workroom are positioned on the cylinder body; and the cross sectional areas of the first-moving workroom and the driven workroom can be equal or unequal. After the proportional distribution brake master cylinder which has a simple structure and is convenient to manufacture is adopted, total independence of double cavities is implemented, in the case of oil leakage which occurs to one group of leather cups or pipelines in front wheels or rear wheels in the braking process, one group of leather cups or pipelines which do not have the problem of oil leakage can be used for normally carrying out braking, and running safety of a vehicle is ensured.
Description
Technical field
The utility model relates to a kind of Prorated type brake master cylinder of the braking system for motor vehicle.
Background technique
The hydraulic brake master that uses now is all to adopt single chamber brake master cylinder or two-chamber follow-up-type brake master cylinder, 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 trailing wheel or pipeline leakage of oil when automobile brake, produce dangerous.
The model utility content
The purpose that the utility model relates to for provide a kind of braking safety good, with pro rate, brake master cylinder separated type and manufacture method thereof.
For achieving the above object, Prorated type brake master cylinder described in the utility model mainly comprises cylinder body, initiatively push rod, component spring, locking plate or nut, secondary return spring, first moving piston pair, driven push rod, 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 first moving chamber has fixedly push rod oil sealing of jump ring, the push rod oil-sealing sleeve is on the active push rod, initiatively the back of push rod have component spring, locking plate or nut, secondary return spring, first moving piston and on leather cup, driven push rod passes component spring, locking plate or nut, secondary return spring, first is connected with the indoor relay piston of slave operation after moving piston pair, push-rod piston oil sealing, return spring, dividing plate oil sealing, dividing plate; Secondary return spring is enclosed within on driven push rod, and is installed on card or nut and first moves holding between the hole on piston; Slave operation is indoor relay piston, leather cup, and return spring can be arranged, and also can there is no return spring; Compensate opening, oil inlet hole and the oil outlet of first moving chamber and slave operation chamber are on cylinder body; Distance between the compensate opening of the compensate opening of first 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; First moving chamber can equate with the cross-section area of slave operation chamber, also can be unequal.
In order to make the distribution of adjusting the braking force between front-wheel and trailing wheel, Prorated type brake master cylinder described in the utility model with the component spring adjust, distribution and balance first move and bear pressure and thrust between piston and relay piston.
In order to make front wheel brake first, the time of the leather cup sealing compensate opening that the time of Prorated type brake master cylinder described in the utility model leather cup sealing compensate opening in first moving chamber when work is more indoor than slave operation is Zao.
For varying in size of the required braking force of the wheel cylinder of each bridge location of coordinating automobile, the first moving chamber of Prorated 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 work equates or is unequal.
In order to make the minimizing discrete, the relay piston of Prorated type brake master cylinder described in the utility model and driven push rod can separate and be assembled into an integral body after making again, and perhaps relay piston and driven push rod are manufactured an integral body.
For the ease of assembling and minimizing accessory, the first moving chamber of Prorated type brake master cylinder described in the utility model and slave operation are indoor can return spring, also can only have in a working room return spring is arranged.
For the ease of assembling with make, Prorated type brake master cylinder described in the utility model during fabrication, dividing plate can separate with cylinder body and is assembled into an integral body after making again, and perhaps manufactures dividing plate and cylinder body as a whole; If cylinder body becomes as a whole with diaphragm manufacture, the rear end of cylinder body is provided with the port that can seal, and the relay piston that slave operation is indoor and leather cup are packed into from the back of cylinder body.
In order to make the simple for structure of brake master cylinder, the secondary return spring of Prorated type brake master cylinder described in the utility model can replace the indoor return spring of slave operation.
The utility model Prorated type brake master cylinder simple in structure, be convenient to make; After having adopted Prorated type brake master cylinder, realized that two-chamber is fully independent, when meeting wherein one group of leather cup in front-wheel or 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 Prorated type brake master cylinder.
Fig. 2 is that driven push rod and the relay piston of the utility model Prorated type brake master cylinder inside manufactures as a whole structure cross-sectional schematic.
Fig. 3 is the structure cross-sectional schematic that there is no return spring in the working room, one of inside of the utility model Prorated type brake master cylinder.
Embodiment
The utility model Prorated type brake master cylinder mainly comprises cylinder body 1, initiatively push rod 2, component spring 3, locking plate 16 or nut, secondary return spring 15, first moving piston pair, driven push rod 14, relay piston pair, compensate opening 11, oil inlet hole 12, oil outlet 10, return spring 13, 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 first moving chamber has fixedly push rod oil sealing of jump ring, the push rod oil-sealing sleeve is on the active push rod, initiatively the back of push rod have component spring 3, locking plate 16 or nut, secondary return spring 15, first moving piston 4 and on leather cup 7, driven push rod 14 passes component spring 3, locking plate 16 or nut, secondary return spring 15, first is connected with the indoor relay piston 6 of slave operation after moving piston pair, push-rod piston oil sealing 8, return spring 13, dividing plate oil sealing 9, dividing plate 5; Secondary return spring 15 is enclosed within on driven push rod 14, and is installed on card 16 or nut and first moves holding between the hole on piston 4; Slave operation is indoor relay piston 6, leather cup 7, and return spring 13 can be arranged, and also can not have; Compensate opening 11, oil inlet hole 12 and the oil outlet 10 of first moving chamber and slave operation chamber are on cylinder body; Distance between the compensate opening 11 of the compensate opening 11 of first moving chamber and slave operation chamber is more than or equal to the distance between the leather cup 7 of the leather cup 7 of first moving chamber and slave operation chamber; First moving chamber can equate with the cross-section area of slave operation chamber, also can be unequal.
In order to make the distribution of adjusting the braking force between front-wheel and trailing wheel, Prorated type brake master cylinder with component spring 3 adjust, distribution and balance first move and bear pressure and thrust between piston 3 and relay piston 6.In order to make front wheel brake first, the time of the leather cup 7 sealing compensate openings 11 that the time of Prorated type brake master cylinder 7 sealing compensate openings 11 of the leather cup in first moving chamber when work is more indoor than slave operation is Zao.For varying in size of the required braking force of the wheel cylinder of each bridge location of coordinating automobile, first 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 work equates or is unequal.In order to make the minimizing discrete, relay piston 6 and driven push rod 14 can separate and be assembled into an integral body after making again, and perhaps relay piston 6 and driven push rod 14 are manufactured an integral body.For the ease of assembling and minimizing accessory, first moving chamber and slave operation are indoor can return spring 13, also can only have in a working room return spring 13 is arranged.For the ease of assembling with make, during fabrication, dividing plate 5 can separate with cylinder body 1 and is assembled into an integral body after making again, and perhaps manufactures dividing plate 5 and cylinder body 1 as a whole; If 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 6 and leather cup 7 that slave operation is indoor are packed into from the back of cylinder body.In order to make the simple for structure of brake master cylinder, secondary return spring 15 can replace the indoor return spring of slave operation 13.
The preferred implementation of the utility model Prorated type brake master cylinder is: relay piston 6 and driven push rod 13 are manufactured an integral body, only formerly in moving chamber, return spring 6 is installed, the distance between the compensate opening 11 of the compensate opening 11 of first moving chamber and slave operation chamber is greater than the distance between the leather cup 7 of the leather cup 7 of first moving chamber and slave operation chamber.The wheel cylinder of front-wheel is connected with the oil outlet of first moving chamber 10, and the wheel cylinder of trailing wheel is connected with the oil outlet 10 of slave operation chamber.
The utility model Prorated type brake master cylinder is after installing on automobile, when needing to brake in automobile running, depress brake petal, promoting initiatively, push rod 2 moves forward, first promoting component spring 3 moves forward, the hydraulic oil that drives in the first moving piston 4 leather cup 7 first moving chambers of compression in first moving chamber is introduced into front wheel cylinder, and the brake strip of front-wheel is contacted with brake drum or brake disc; At this moment, the component spring begins compression.Initiatively the push rod 2 continuation reach driven push rods 14 of promotion and relay piston 6 and leather cup 7 move forward, and the indoor hydraulic oil of compression slave operation enters the trailing wheel wheel cylinder, and the brake strip of front-wheel is contacted with brake drum or brake disc, produces braking force.At this moment, initiatively push rod 2, component spring 3 continue reach, allow first moving piston 4 and relay piston 6 continue stressed, and the formerly indoor generation of moving chamber and slave operation equates or unequal pressure and pressure, makes the front and back wheels of automobile all produce sufficient braking force.When the leather cup 7 in wheelcylinder cup, connecting tube and the first moving chamber of front-wheel damaged, under the effect of driven push rod 14, indoor of slave operation so can work, and allowed trailing wheel that sufficient braking force is arranged.When the indoor leather cup 7 of wheelcylinder cup, connecting tube and the slave operation of trailing wheel damages, under the effect of component spring 3, appoint in first moving chamber so can work, allow front-wheel that sufficient braking force is arranged.When needing brake off, loosen the brake, the active push rod is brake off without pressure.
Claims (8)
1. Prorated type brake master cylinder, it mainly comprises cylinder body (1), initiatively push rod (2), component spring (3), locking plate (16) or nut, secondary return spring (15), first moving piston pair, driven push rod (14), relay piston pair, compensate opening (11), oil inlet hole (12), oil outlet (10), return spring (13), dividing plate (5), oil sealing; It is characterized in that: the middle part of the cylinder body of Prorated type brake master cylinder has stationary barrier (5) that cylinder body is divided into first moving chamber and slave operation chamber; Front end in first moving chamber has fixedly push rod oil sealing of jump ring, the push rod oil-sealing sleeve is on the active push rod, initiatively the back of push rod have component spring (3), locking plate (16) or nut, secondary return spring (15), first moving piston (4) and on leather cup (7), driven push rod (14) passes component spring (3), locking plate (16) or nut, secondary return spring (15), first the relay piston (6) indoor with slave operation is connected after moving piston pair, push-rod piston oil sealing (8), return spring (13), dividing plate oil sealing (9), dividing plate (5); Slave operation is indoor relay piston (6), leather cup (7), and return spring (13) can be arranged, and also can there is no return spring (13); Secondary return spring (15) is enclosed within on driven push rod (14), and is installed on card (16) or nut and first moves holding between the hole on piston; Compensate opening (11), oil inlet hole (12) and the oil outlet (10) of first moving chamber and slave operation chamber are on cylinder body; Distance between the compensate opening (11) of the compensate opening (11) of first moving chamber and slave operation chamber is more than or equal to the distance between the leather cup (7) of the leather cup (7) of first moving chamber and slave operation chamber; First moving chamber can equate with the cross-section area of slave operation chamber, also can be unequal.
2. Prorated type brake master cylinder according to claim 1 is characterized in that: Prorated type brake master cylinder with component spring (3) adjust, distribution and balance first bear pressure and thrust between moving piston (3) and relay piston (6).
3. Prorated type brake master cylinder according to claim 1 is characterized in that: the time of leather cup (7) the sealing compensate opening (11) that the time of Prorated type brake master cylinder leather cup (7) sealing compensate opening (11) in first moving chamber when work is more indoor than slave operation is Zao.
4. Prorated type brake master cylinder according to claim 1 is characterized in that: the pressure that the first moving chamber of Prorated type brake master cylinder and slave operation chamber produce when work equates or is unequal.
5. Prorated type brake master cylinder according to claim 1, it is characterized in that: the relay piston of Prorated type brake master cylinder (6) and driven push rod (14) can separate and be assembled into an integral body after making again, and perhaps relay piston (6) and driven push rod (14) are manufactured an integral body.
6. Prorated type brake master cylinder according to claim 1, it is characterized in that: the first moving chamber of Prorated type brake master cylinder and slave operation are indoor can return spring (13), also can only have return spring (13) is arranged in a working room.
7. Prorated type brake master cylinder according to claim 1, it is characterized in that: Prorated type brake master cylinder during fabrication, dividing plate (5) can separate with cylinder body (1) and is assembled into an integral body after making again, and perhaps manufactures dividing plate (5) and cylinder body (1) as a whole; If 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 (6) and leather cup (7) that slave operation is indoor are packed into from the back of cylinder body.
8. Prorated type brake master cylinder according to claim 1, it is characterized in that: the secondary return spring (15) of Prorated type brake master cylinder can replace the indoor return spring of slave operation (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041688 CN203272549U (en) | 2013-01-25 | 2013-01-25 | Proportional distribution brake master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320041688 CN203272549U (en) | 2013-01-25 | 2013-01-25 | Proportional distribution brake master cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272549U true CN203272549U (en) | 2013-11-06 |
Family
ID=49502970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320041688 Expired - Fee Related CN203272549U (en) | 2013-01-25 | 2013-01-25 | Proportional distribution brake master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089868A (en) * | 2013-01-25 | 2013-05-08 | 徐浩钟 | Proportional distribution type brake master cylinder |
-
2013
- 2013-01-25 CN CN 201320041688 patent/CN203272549U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089868A (en) * | 2013-01-25 | 2013-05-08 | 徐浩钟 | Proportional distribution type brake master cylinder |
| CN103089868B (en) * | 2013-01-25 | 2016-01-06 | 重庆市喜植机械设备有限公司 | Prorated type brake master cylinder |
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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: 20131106 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |