CN206968641U - A kind of motor vehicle and its brake system - Google Patents
A kind of motor vehicle and its brake system Download PDFInfo
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- CN206968641U CN206968641U CN201720814367.6U CN201720814367U CN206968641U CN 206968641 U CN206968641 U CN 206968641U CN 201720814367 U CN201720814367 U CN 201720814367U CN 206968641 U CN206968641 U CN 206968641U
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Abstract
The utility model discloses a kind of motor vehicle and its brake system, brake system includes first brake component, the second brake assemblies, two groups of calipers and proportioning valve, proportioning valve includes valve body, ante-chamber and back cavity are provided with valve body, front and rear intracavitary is respectively arranged with ante-chamber piston and back cavity piston, the preceding input port connected with ante-chamber, preceding delivery outlet and the rear input port connected with back cavity are provided with valve body, front and rear chamber piston is connected and the lifting surface area of back cavity piston is more than the lifting surface area of ante-chamber piston, and the first return unit for making piston reset is provided with valve body；The fluid output port of first brake component connects with preceding input port, and the fluid output port of the second brake assemblies connects with rear input port all the way, and another way connects with one group of caliper, and preceding delivery outlet connects with another group of caliper；Can be completely separable by two groups of brake fluid lines by said structure, so as at least ensure that one of which brake is available, the reliability and safety of whole brake system is improved, ensures the safety of rider.
Description
Technical field
Automotive field is the utility model is related to, more particularly to a kind of motor vehicle and its brake system.
Background technology
Hydraulic disc brake system, also referred to as oil are stopped or oily disc brake, oily dish, is to utilize hydraulic oil by the power of brake lever
Brake caliper is passed to, then the brake gear of braking effect is realized by brake caliper friction disk, due to simple in construction, braking effect
Fruit is good, is obtained a wide range of applications on the motor vehicles, or even bicycle such as motorcycle, automobile.
In the prior art, hydraulic disc brake system generally comprises brake pump, lubricating cup, connecting line and caliper.Braking machine
Structure, such as the brake fluid in parking brake or service brake driving brake pump pressure compression system, hydraulic oil promotes caliper motion, stopped so as to realize
Car function, once the hydraulic disc brake system connecting line of this structure leaks, then whole brake system can be caused to fail, deposited
In potential safety hazard, easily the safety of rider is constituted a threat to.
Therefore, how to improve hydraulic disc brake system, improve its reliability and safety, protect the safety of rider, turn into
Those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of motor vehicle and its brake system, with reach improve its reliability and
Security, protect the safe purpose of rider.
To achieve the above object, the utility model provides following technical scheme：
A kind of brake system, including first brake component, the second brake assemblies, the first caliper, the second caliper and
Proportioning valve, the proportioning valve include valve body, and mutually isolated ante-chamber and back cavity are provided with the valve body, is set in the ante-chamber
Ante-chamber piston is equipped with, back cavity piston is provided with the back cavity, the preceding input connected with the ante-chamber is provided with the valve body
Mouthful, preceding delivery outlet and rear input port connect with the back cavity, the ante-chamber piston and the back cavity piston be rigidly connected and
The lifting surface area of the back cavity piston is more than the lifting surface area of the ante-chamber piston, and the rear input port drives for infusion fluid
Ante-chamber piston described in the back cavity piston driving extrudes the liquid in the ante-chamber through the preceding delivery outlet, is set in the valve body
It is equipped with the first return unit for making the ante-chamber piston and the back cavity piston reset；
The fluid output port of the first brake component connects with the preceding input port, the liquid of second brake assemblies
Output end divides two-way, all the way with it is described after input port connect, another way connects with first caliper, the preceding delivery outlet and
The second caliper connection.
Preferably, input cavity and preceding output cavity, the preceding input port before the ante-chamber is divided into by the ante-chamber piston
Connected with the preceding input cavity, the preceding delivery outlet connects with the preceding output cavity, the preceding input cavity and the preceding output cavity
Pass through the conducting that flows back.
Preferably, the gag lever post stretched into the preceding output cavity, first return unit are provided with the ante-chamber piston
It is arranged between the gag lever post and the valve body.
Preferably, the first brake component and one in second brake assemblies are hand brake device, and another is
Service brake arrangement.
Preferably, the first brake component or second brake assemblies include delivery pump, lubricating cup and for driving
The operating mechanism of the delivery pump.
Preferably, the delivery pump includes the pump housing and is arranged at the pump that the pump housing is interior and is slidably matched with the pump housing
Body piston, the first end of the pump housing piston are connected with the push rod being slideably positioned on the pump housing, the second end and the pump housing
Between form pump chamber, the suction inlet and pumping outlet connected with the pump chamber is provided with the pump housing.
Preferably, it is provided with the second return unit between the second end of the pump housing piston and the pump housing.
Preferably, it is additionally provided with balance port on the pump housing, the balance port is arranged side by side and with the suction inlet
Connected with the delivery outlet of the lubricating cup, the balance port is divided into the both ends of the pump housing piston with the suction inlet.
A kind of motor vehicle, including car body and the brake system that is arranged on the car body, the brake system is as above
Brake system described in any one.
It can be seen from the above technical proposal that brake system provided by the utility model, including first brake component, second
Brake assemblies, the first caliper, the second caliper and proportioning valve, wherein, proportioning valve includes valve body, is provided with valve body mutually
The ante-chamber and back cavity of isolation, ante-chamber piston is provided with ante-chamber, back cavity piston is provided with back cavity, be provided with valve body with before
Preceding input port, preceding delivery outlet and the rear input port connected with back cavity, the ante-chamber piston that chamber connects are rigidly connected with back cavity piston
And the lifting surface area of back cavity piston is more than the lifting surface area of ante-chamber piston, change the pressure of front and rear chamber with this, it is, of course, also possible to
Before and after the lifting surface area as needed for making back cavity piston is less than the lifting surface area of ante-chamber piston, or the other modes of use are realized
The change of the pressure of chamber, to adjust export ratio, rear input port is used for infusion fluid driving back cavity piston driving ante-chamber piston will
The premenstrual delivery outlet of liquid in ante-chamber extrudes, and is provided with valve body for making the first of ante-chamber piston and back cavity piston reset to answer
Position part；The fluid output port of first brake component connects with preceding input port, and the fluid output ports of the second brake assemblies divides two-way, and one
Lu Yuhou input ports connect, and another way connects with the first caliper, and preceding delivery outlet connects with the second caliper；
When in use, the premenstrual input port of hydraulic oil that first brake component pumps out enters ante-chamber, and is flowed to from preceding delivery outlet
First caliper, the first caliper of control are braked；And when manipulating the second brake assemblies, hydraulic pressure oil two-way, all the way directly
Connect and flow to the second caliper and braked, another way input port after enters valve body back cavity, and driving back cavity piston driving ante-chamber is lived
Plug compression ante-chamber, the hydraulic oil in ante-chamber is extruded from preceding delivery outlet, so as to realize the first caliper and the second caliper simultaneously
Braking, because the lifting surface area of back cavity piston is more than the lifting surface area of ante-chamber piston, the hydraulic pressure of front and rear chamber can be adjusted with this
Oily export ratio, make the brake force of two calipers otherwise varied, to meet needs, improve security, can by said structure
Two groups of brake fluid lines are completely separable, so as at least ensure that one of which brake is available, improve the reliability of whole brake system
And security, ensure the safety of rider.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the brake system that the utility model embodiment provides；
Fig. 2 is the structural representation of proportioning valve in the brake system that the utility model embodiment provides；
Fig. 3 is the structural representation of the delivery pump of hand brake device in the brake system that the utility model embodiment provides；
Fig. 4 is the structural representation of the delivery pump of service brake arrangement in the brake system that the utility model embodiment provides.
Embodiment
The utility model provides a kind of motor vehicle and its brake system, improves its reliability and safety to reach, protects
Protect the safe purpose of rider.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 are referred to, Fig. 1 is the structural representation for the brake system that the utility model embodiment provides, and Fig. 2 is
The structural representation of proportioning valve in the brake system that the utility model embodiment provides.
A kind of brake system provided by the utility model, including the braking of first brake component 1, the second brake assemblies 2, first
Clamp the 4, second caliper 5 and proportioning valve 3.
Wherein, proportioning valve 3 includes valve body, and mutually isolated ante-chamber and back cavity are provided with valve body, is provided with ante-chamber
Ante-chamber piston 35, back cavity piston 32 is provided with back cavity, the preceding input port 34 connected with ante-chamber, preceding delivery outlet are provided with valve body
39 and the rear input port 31 that is connected with back cavity, ante-chamber piston 35 is rigidly connected with back cavity piston 32 and the stress of back cavity piston 32
Area is more than the lifting surface area of ante-chamber piston 35, changes the pressure of front and rear chamber with this, it is, of course, also possible to make back cavity as needed
The lifting surface area of piston 32 is less than the lifting surface area of ante-chamber piston 35, or the other modes of use realize the pressure of front and rear chamber
Change, to adjust export ratio, rear input port 31 is used for infusion fluid driving back cavity piston 32 and drives ante-chamber piston 35 by ante-chamber
The premenstrual delivery outlet 39 of interior liquid is extruded, and first for making ante-chamber piston 35 and the reset of back cavity piston 32 is provided with valve body
Return unit 38；The fluid output port of first brake component 1 connects with preceding input port 34, the fluid output port of the second brake assemblies 2
Divide two-way, connected all the way with rear input port 31, another way connects with the first caliper 4, and preceding delivery outlet 39 connects with the second caliper 5
It is logical.
Compared with prior art, brake system provided by the utility model, when in use, what first brake component 1 pumped out
The premenstrual input port 34 of hydraulic oil enters ante-chamber, and flows to the first caliper 4 from preceding delivery outlet 39, and the first caliper 4 of control is carried out
Braking；And when manipulating the second brake assemblies 2, hydraulic pressure oil two-way, flowing directly into the second caliper 5 all the way is braked, separately
Input port 31 enters valve body back cavity after all the way, and driving back cavity piston 32 drives ante-chamber piston 35 to compress ante-chamber, by ante-chamber
Hydraulic oil extrudes from preceding delivery outlet 39, so as to realize the first caliper 4 and the second caliper 5 while brake, due to back cavity piston
32 lifting surface area is more than the lifting surface area of ante-chamber piston 35, and the hydraulic oil export ratio of front and rear chamber can be adjusted with this, is made
The brake force of two calipers is otherwise varied, to meet needs, improves security, can be by two groups of brake fluid lines by said structure
It is completely separable, so as at least ensure that one of which brake is available, the reliability and safety of whole brake system is improved, ensures to ride
The safety for the person of multiplying.
When driving ante-chamber piston 35 to extrude hydraulic oil, hydraulic oil may return back cavity piston 32 from preceding input port 34
Stream, the hydraulic oil of output is caused to reduce, so as to cause retro-speed slow, the problems such as brake force deficiency, to solve the above problems, can
Check valve is set at preceding input port 34, or, ante-chamber can be separated by ante-chamber piston 35 by the way of as shown in Figure 2
For preceding input cavity 33 and preceding output cavity 36, preceding input port 34 is set to be connected with preceding input cavity 33, preceding delivery outlet 39 and preceding output cavity
36 connections, and set backflow road 37 to turn on preceding input cavity 33 and preceding output cavity 36 on valve body, by said structure, currently
Before chamber piston 35 compresses under the drive of back cavity piston 32 during output cavity 36, the curved structure in the road 37 that flows back will prevent hydraulic oil from returning
Stream, and the side wall of ante-chamber piston 35 can also block the connected entrance in backflow road 37 and preceding output cavity 36 rapidly, so as to avoid hydraulic pressure
Oil flows back through the road 37 that flows back, and ensures the output quantity of hydraulic oil, meets brake request.
First return unit 38 is used to reset ante-chamber piston 35 and back cavity piston 32, as long as therefore can make two pistons
Reset in time, such as, the first return unit 38 can be arranged in ante-chamber or back cavity, can also be in ante-chamber and back cavity
Elastic component is arranged as the first return unit 38 simultaneously, as shown in Fig. 2 in the utility model embodiment, the first return unit 38 wraps
The spring being arranged in ante-chamber is included, spring is not limited only to the compression spring shown in figure, can also be disc spring, torsion spring etc..
Further optimize above-mentioned technical proposal, in the utility model embodiment, be provided with ante-chamber piston 35 before stretching into
Gag lever post in output cavity 36, the first return unit 38 are arranged between gag lever post and valve body, and above-mentioned gag lever post can not only rise
To the effect for fixing the first return unit 38, additionally it is possible to realized during fabrication by adjusting the sectional area of gag lever post to ante-chamber piston
The adjustment of 35 lifting surface areas, so as to realize the adjustment of front and rear chamber export ratio.
The above-mentioned brake assemblies 2 of first brake component 1 and second can be hand brake device or one of them
For hand brake device, another is service brake arrangement, and in the utility model embodiment, as shown in Figure 1, there is provided one kind first is stopped
Car component 1 is hand brake device, and the second brake assemblies 2 are the brake system of service brake arrangement.
The brake assemblies 2 of first brake component 1 and second are used for the operation for receiving rider, to caliper output hydraulic pressure
Oil, therefore, in the utility model embodiment, the brake assemblies 2 of first brake component 1 or second should include delivery pump, lubricating cup
And for driving the operating mechanism of delivery pump, wherein, lubricating cup is used to hold hydraulic oil, and it can be integrated knot with delivery pump
Structure, can also use Split type structure, and delivery pump uses the structure similar to plunger pump, using rider for operating mechanism, such as
Brake lever, brake pedal operation and oil suction and exported from lubricating cup.
Referring to Fig. 3, Fig. 3 is the structure of the delivery pump of hand brake device in the brake system that the utility model embodiment provides
Schematic diagram, the delivery pump of hand brake device include the pump housing 101 and are arranged at the pump that the pump housing 101 is interior and is slidably matched with the pump housing 101
Body piston 103, lubricating cup 111 are structure as a whole with the pump housing 101, and the first end of pump housing piston 103 is with being slideably positioned on the pump housing 101
Push rod 104 connect, it is outer and be hinged with brake lever (Fig. 3 is not shown, refers to Fig. 1) that push rod 104 stretches out the pump housing 101, second
Pump chamber is formed between end and the pump housing 101, the suction inlet 106 and pumping outlet connected with pump chamber is provided with the pump housing 101
107, because in the utility model embodiment, hand brake device uses as first brake component 1, therefore it needs a pump
Mouth 107 is sent to be connected with the preceding input port 34 of proportioning valve 3.
Next please see Figure 4, Fig. 4 is the delivery pump of service brake arrangement in the brake system that the utility model embodiment provides
Structural representation, the delivery pump of service brake arrangement include the pump housing 211 and are arranged in the pump housing 211 and are slidably matched with the pump housing 211
Pump housing piston 213, lubricating cup 22 and the pump housing 211 employ split-type structural, and the first end of pump housing piston 213 is with being slideably positioned in
Push rod 214 on the pump housing 211 connects, and push rod 214 stretches out outside the pump housing 211 and is articulated with fixation with brake pedal (not shown)
At axle 23, pump chamber is formed between the second end and the pump housing 211, be provided with the pump housing 211 suction inlet 216 that is connected with pump chamber with
And pumping outlet 217, it can be seen that due to needing to export two-way hydraulic oil, therefore in the utility model embodiment, directly
It is connected on the pump housing and has opened up two pumping outlets 217, it is of course also possible to a pumping outlet 217 is set, then by pumping line
Threeway is set on road to realize that two-way exports.
When in use, it is less demanding to brake force and retro-speed under non-emergent state by taking two-wheeled motor vehicle as an example, can
Only braked by braking clamp before operating hand brake device, and in emergency situations, front and back wheel can be realized by service brake arrangement
While brake, after a breakage in parking brake fluid pressure line and service brake fluid pressure line, bicyclist can also rely on another
Braked, it is safe.
Further optimize above-mentioned technical proposal, in the utility model embodiment, the second end of pump housing piston 103 (213)
The second return unit 102 (212) is provided between the pump housing 101 (211).
When pump housing piston 103 (213) is movable, the volume of piston both sides changes, and causes the pressure of both sides also to occur
Change, easily causes the motion of piston more difficult, therefore, in the utility model embodiment, is also set on the pump housing 101 (211)
Be equipped with balance port 105 (215), balance port 105 (215) be arranged side by side with suction inlet 106 (216) and with lubricating cup 111 (22)
Delivery outlet connection, balance port 105 (215) and suction inlet 106 (216) are divided into the both ends of pump housing piston 103 (213).
The utility model embodiment additionally provides a kind of motor vehicle, including car body and the brake system that is arranged on car body
System, wherein, brake system is the as above brake system described in any one.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of brake system, it is characterised in that including first brake component, the second brake assemblies, the first caliper, the second system
Dynamic pincers and proportioning valve, the proportioning valve include valve body, and mutually isolated ante-chamber and back cavity are provided with the valve body, described
Ante-chamber piston is provided with ante-chamber, back cavity piston is provided with the back cavity, is provided with the valve body and is connected with the ante-chamber
Preceding input port, preceding delivery outlet and the rear input port connected with the back cavity, the ante-chamber piston and the back cavity piston are firm
Property connection and the back cavity piston lifting surface area be more than the ante-chamber piston lifting surface area, it is described after input port be used for input
Ante-chamber piston described in back cavity piston driving described in liquid driven extrudes the liquid in the ante-chamber through the preceding delivery outlet, described
The first return unit for making the ante-chamber piston and the back cavity piston reset is provided with valve body；
The fluid output port of the first brake component connects with the preceding input port, the liquid output of second brake assemblies
End divide two-way, all the way with it is described after input port connect, another way connects with first caliper, the preceding delivery outlet with it is described
Second caliper connects.
2. brake system according to claim 1, it is characterised in that the ante-chamber piston is defeated before the ante-chamber is divided into
Enter chamber and preceding output cavity, the preceding input port connects with the preceding input cavity, and the preceding delivery outlet connects with the preceding output cavity
Logical, the preceding input cavity is turned on the preceding output cavity by flowing back.
3. brake system according to claim 2, it is characterised in that be provided with the ante-chamber piston stretch into it is described preceding defeated
Go out the gag lever post of intracavitary, first return unit is arranged between the gag lever post and the valve body.
4. brake system according to claim 1, it is characterised in that the first brake component and the second brake group
One in part is hand brake device, and another is service brake arrangement.
5. brake system according to claim 1, it is characterised in that the first brake component or the second brake group
Part includes delivery pump, lubricating cup and the operating mechanism for driving the delivery pump.
6. brake system according to claim 5, it is characterised in that the delivery pump includes the pump housing and is arranged at described
The pump housing piston being slidably matched in the pump housing and with the pump housing, the first end of the pump housing piston is with being slideably positioned in the pump housing
On push rod connection, pump chamber is formed between the second end and the pump housing, is provided with the pump housing and is connected with the pump chamber
Suction inlet and pumping outlet.
7. brake system according to claim 6, it is characterised in that the second end of the pump housing piston and the pump housing it
Between be provided with the second return unit.
8. brake system according to claim 6, it is characterised in that balance port is additionally provided with the pump housing, it is described flat
Heng Kou is arranged side by side with the suction inlet and the delivery outlet with the lubricating cup connects, the balance port and the suction inlet point
Located at the both ends of the pump housing piston.
9. a kind of motor vehicle, including car body and the brake system that is arranged on the car body, it is characterised in that the brake system
Unite as the brake system as described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814367.6U CN206968641U (en) | 2017-07-06 | 2017-07-06 | A kind of motor vehicle and its brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720814367.6U CN206968641U (en) | 2017-07-06 | 2017-07-06 | A kind of motor vehicle and its brake system |
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| Publication Number | Publication Date |
|---|---|
| CN206968641U true CN206968641U (en) | 2018-02-06 |
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ID=61407744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720814367.6U Active CN206968641U (en) | 2017-07-06 | 2017-07-06 | A kind of motor vehicle and its brake system |
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| Country | Link |
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| CN (1) | CN206968641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161131A (en) * | 2017-07-06 | 2017-09-15 | 浙江春风动力股份有限公司 | A kind of motor vehicle and its brake system |
-
2017
- 2017-07-06 CN CN201720814367.6U patent/CN206968641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161131A (en) * | 2017-07-06 | 2017-09-15 | 浙江春风动力股份有限公司 | A kind of motor vehicle and its brake system |
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