CN108454605A - Brake fluid system emission sensing device and hydraulic system with the device - Google Patents
Brake fluid system emission sensing device and hydraulic system with the device Download PDFInfo
- Publication number
- CN108454605A CN108454605A CN201810079225.9A CN201810079225A CN108454605A CN 108454605 A CN108454605 A CN 108454605A CN 201810079225 A CN201810079225 A CN 201810079225A CN 108454605 A CN108454605 A CN 108454605A
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- China
- Prior art keywords
- brake fluid
- wheel cylinder
- observation
- emission sensing
- fluid system
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
Abstract
The invention discloses a kind of brake fluid system emission sensing devices, including：Attachment device for being connect with wheel cylinder air vent；In brake fluid for checking the discharge of wheel cylinder air vent whether bladdery observation device, observation device be connected to attachment device, and observation device is with transparent observation panel.The present invention can solve the problems, such as in brake fluid system brake piping residual air be not easy discharge be not easy detection with, can be by being directly viewable in observation device whether retain bubble, to obtain effectively emptying the residual air of braking system whether, then the performance of entire braking system is improved, the man-machine performance of brake pedal is also effectively improved, while can improve braking exhaust work labor intensity.The invention also discloses a kind of hydraulic systems including above-mentioned brake fluid system emission sensing device.
Description
Technical field
The present invention relates to hydraulic brake technology fields, and detection dress is vented more specifically to a kind of brake fluid system
It sets.In addition, the application further relates to a kind of hydraulic system including above-mentioned brake fluid system emission sensing device.
Background technology
Hydraulic braked vehicle is after filling brake fluid, and air generally can not empty completely in the braking system of vehicle, vehicle
It needs that operation is exhausted.
In the prior art, check whether system completes exhaust work have by the way of manual operation and observation
Can be body the bleeding that motor vehicle braking system passes through staff, according to the soft or hard degree of brake pedal and deflation spiral shell
The observation of nail is to determine whether reach target.
However, it is confined to the difference of vehicle performance and the qualification of operating personnel, the exhaust degree of brake fluid system
Cannot clearly it be judged, there are larger differences for exhaust result.
It is current ability in conclusion how to provide a kind of mode of exhaust degree that being convenient for judging brake fluid system
Field technique personnel's urgent problem to be solved.
Invention content
In view of this, the object of the present invention is to provide a kind of brake fluid system emission sensing device, the Hydraulic braking system
System emission sensing device.
It is a further object of the present invention to provide a kind of hydraulic systems including above-mentioned brake fluid system emission sensing device.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of brake fluid system emission sensing device, including：
Attachment device for being connect with wheel cylinder air vent；
In brake fluid for checking wheel cylinder air vent discharge whether bladdery observation device, the observation device
It is connected to the attachment device, and the observation device has transparent observation panel.
Preferably, the brake fluid outlet of the observation device connects the liquid trap for storing the brake fluid.
Preferably, the liquid trap is enclosed type liquid collector, the pipeline that the liquid trap is connected with the observation device
On be provided with pressure limiting valve for deflation.
Preferably, the pipeline that the observation device is connect with the limiting air release valve of pressure is equipped with shut-off valve to be opened/closed.
Preferably, the liquid trap is separately connected at least two observation devices, the sight by different connectors
Examine the wheel cylinder air vent that device is connected respectively different wheel cylinders.
Preferably, the observation device is the transparent cavity body structure of strip, and the both ends of the observation device are separately connected institute
State attachment device and the liquid trap.
Preferably, one end in the attachment device for being connect with the wheel cylinder air vent is equipped with for enhancing sealing
Sealing ring.
Preferably, the sealed pressure of the sealing ring ranging from 2MPa to 3MPa.
A kind of hydraulic system, including wheel cylinder further include brake fluid system emission sensing device described in any one of the above embodiments.
Optionally, the wheel cylinder air vent is equipped with conical surface sealing structure.
The present invention can solve the problems, such as in brake fluid system brake piping that residual air is not easy discharge and is not easy detection with can
To observe in device whether retain bubble by being directly viewable, to which the residual for obtaining effectively emptying braking system whether is empty
Gas then improves the performance of entire braking system, and the man-machine performance of brake pedal is also effectively improved, while can improve braking row
Gas labor intensity.
The present invention also provides a kind of hydraulic systems including above-mentioned brake fluid system emission sensing device.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of brake fluid system emission sensing device provided by the present invention.
In Fig. 1：
Axle 1, wheel 2, attachment device 3 observe device 4, shut-off valve 5, pressure limiting valve 6, liquid trap 7, emission sensing device
Remaining circuit 8.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of brake fluid system emission sensing device, brake fluid system exhaust detection
Device.
Another core of the present invention is to provide a kind of hydraulic system including above-mentioned brake fluid system emission sensing device.
Referring to FIG. 1, Fig. 1 is the schematic diagram of brake fluid system emission sensing device provided by the present invention.
A kind of brake fluid system emission sensing device provided by the present invention, be mainly used for the exhaust situation of wheel cylinder into
The primary structure of row detection, hereinafter referred to as emission sensing device, the emission sensing device includes attachment device 3 and observation device 4.
Wherein, attachment device 3 realizes the connection of emission sensing device and wheel cylinder, wheel cylinder for being connect with wheel cylinder air vent
Air vent is the inherent structure on wheel cylinder, and when brake fluid is perfused to wheel cylinder, the gas in wheel cylinder is arranged outward by wheel cylinder air vent
Go out, attachment device 3 is connect with wheel cylinder air vent, for by by being discharged in wheel cylinder air vent brake fluid and gas introduce exhaust inspection
It surveys in device, specifically brake fluid and gas are introduced into observation device 4.
Observation device 4 is used to check in the brake fluid that wheel cylinder air vent is discharged whether have bubble, observes device 4 and connect dress
3 connections are set, and observe device 4 there is transparent observation panel.The knots such as transparent glass or transparent medium window can be arranged in observation panel
Structure, so as to by observe device 4 in brake fluid check, judge whether there is bubble in brake fluid, if there is bubble,
Illustrate that the gas in wheel cylinder not yet empties, if bubble-free, illustrates that the gas in wheel cylinder empties completely.
It should be noted that observation device 4 is connected to attachment device 3, observation device 4 can be tubular structure, observation dress
It is sealing element to set 4, needs when use to carry out pressurizeing or being passed through in advance a certain amount of liquid to observation device 4, so as to will wherein
Gas empty.Observe device 4 inlet should inside it liquid flow surface hereinafter, occurring gas in brake fluid to work as
When, it can be showed in the form of bubble.
When using above-mentioned brake fluid system emission sensing device, attachment device is connect with wheel cylinder exhaust outlet first, and
Fit sealing fills brake fluid in braking system oil storage cup, then continuously steps on brake pedal, brake fluid is by braking device wheel
Cylinder enters emission sensing device, and gas discharges into emission sensing device successively with brake fluid in braking system, with braking system
Drain constantly promotes, and observing gas in device 4 can fade away, and after the braking of total travel several times, observes in device 4 still
Bubble-free occurs can determine whether that the exhaust of this brake circuit is completed.
The present invention can solve the problems, such as in brake fluid system brake piping that residual air is not easy discharge and is not easy detection with can
To observe in device whether retain bubble by being directly viewable, to which the residual for obtaining effectively emptying braking system whether is empty
Gas then improves the performance of entire braking system, and the man-machine performance of brake pedal is also effectively improved, while can improve braking row
Gas labor intensity.
On the basis of above-described embodiment, the brake fluid outlet of observation device 4 connects the collection for storing brake fluid
Liquid device 7.
It should be noted that the liquid outlet of above-mentioned observation device 4 can be directly connected to liquid trap 7, or by being provided with
The piping connection liquid trap 7 of switch valve, the effect of liquid trap 7 essentially consist in the brake fluid for collecting discharge, brake fluid are avoided to be lost in.
Attachment device 3, observation device 4 and liquid trap 7 form the complete device for checking wheel cylinder exhaust situation, on the one hand realize
On the other hand checking and excluding to gas realizes recycling and storage to brake fluid.
Optionally, liquid trap 7 can be the structures such as the device, such as loosely capped vial of opening structure.
On the basis of above-described embodiment, liquid trap 7 is enclosed type liquid collector, and liquid trap 7 and observation device 4 connect
Pipeline on be provided with pressure limiting valve 6 for deflation.
Collection in order to facilitate liquid trap 7 to brake fluid, liquid trap 7 can realize gas by the gas port of the exhaust at top
Release, or pressure limiting valve 6 of the setting for exhaust on the connecting line of liquid trap 7 and observation device 4, when pressure reach it is pre-
If stress level when, the pressure limiting valve 6 open, to realize releasing for gas.
Optionally, can exhaust apparatus be set on the pipeline that liquid trap 7 or liquid trap are connected with observation device 4.
On the basis of any one above-mentioned embodiment, the pipeline that observation device 4 is connect with pressure limiting valve 6 is equipped with and can open
The shut-off valve 5 closed.
It should be noted that when normal use emission sensing device, above-mentioned shut-off valve 5 is in an open state, i.e. observation dress
Set between 4 and pressure limiting valve 6 is connected state；The effect of above-mentioned shut-off valve 5 is will to observe device 4 with liquid trap 7 to separate, main
After being used to check wheel cylinder exhaust effect, shut-off valve 5 can be closed, be separated between liquid trap 7 and observation device 4,
Brake fluid no longer flows, it is thus possible to keep the brake fluid total amount in wheel cylinder.
Optionally, there are many types of shut-off valve 5, a variety of valve body knots for separating pipeline in the prior art can be used
Structure.
On the basis of any one above-mentioned embodiment, liquid trap 7 is separately connected at least two by different connectors
A observation device 4, observation device 4 are connected respectively the wheel cylinder air vent of different wheel cylinders.
Please refer to Fig.1, wherein liquid trap 7 by several pipelines be separately connected wheel cylinder on four wheels 2 of vehicle or
Other are arranged at least two communication ports on liquid trap 7, are respectively used to connect different pipelines, different pipelines by detection device
On be equipped with the observation structures such as device, to carry out collecting for brake fluid to different pipelines.
Optionally, a plurality of emission sensing device remaining circuit 8 can be set in above-mentioned apparatus, to divide each wheel cylinder
It Pai Qi and not detect.
On the basis of any one above-mentioned embodiment, observation device 4 is the transparent cavity body structure of strip, observes device
4 both ends are connect with attachment device 3 and liquid trap 7 respectively.
It should be noted that observation device 4 can be tubular structure, tubular structure the both ends of length direction respectively with even
Connection device 3 and liquid trap 7 connect.
On the basis of above-described embodiment, in attachment device 3 for one end for being connect with wheel cylinder air vent, equipped with being used for
Enhance the sealing ring of sealing.
Optionally, the sealed pressure of sealing ring ranging from 2MPa to 3MPa.
In addition to the brake fluid system emission sensing device primary structure provided in above-mentioned each embodiment, the present invention is also
A kind of hydraulic system including brake fluid system emission sensing device disclosed in above-described embodiment is provided, which includes
Wheel cylinder, the attachment device of the exhaust outlet connection brake fluid system emission sensing device of wheel cylinder, so that brake fluid is perfused in wheel cylinder
When discharge gas and brake fluid be passed through attachment device, and enter observation device, can easily device checks braking from
Gas flow in liquid, to grasp the exhaust situation of brake fluid system.
Optionally, wheel cylinder air vent is equipped with conical surface sealing structure.Specifically, attachment device 3 uses two with wheel cylinder air vent
Grade sealing structure.Primary seal is above-mentioned ring structure, and the sealed pressure of sealing ring is 2MPa, in the fluid injection into wheel cylinder,
Sealing ring can realize the sealing to attachment device 3 and wheel cylinder air vent link position, and can realize that wheel cylinder is detected with exhaust
Device penetrates through.It is close that secondary seal refers to that the conical surface sealing structure being set on wheel cylinder air vent when exhaust detection is completed carries out
Packing is disconnected so that and wheel cylinder air vent is disconnected with emission sensing device, specifically, sealed pressure 20MPa.
It is first, each on vehicle when the brake fluid system emission sensing device provided using above-mentioned each embodiment
Emission sensing device is connected at a exhaust port, brake fluid is filled in braking system oil storage cup, is stepped on by continuously stepping on braking
Plate, brake fluid enter emission sensing device by wheel-braking cylinder, and gas discharges into exhaust inspection with brake fluid successively in braking system
It surveys in device, as braking system drain constantly promotes, gas can fade away in brake fluid observation device.
When master cylinder is braked by 3 total travels, if observing in device, still bubble-free occurs can determine whether that this is braked back
Road exhaust is completed, and is closed shut-off valve at this time and is continued the detection of other circuits.It is cut after the completion of being vented in all circuits of braking system
The sealing element for changing wheel-braking cylinder is secondary seal condition, disconnects emission sensing device at this time, that is, completes braking system exhaust.
Refer to the prior art for the structure of other each sections of the hydraulic system, and repeats no more herein.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Brake fluid system emission sensing device provided by the present invention and hydraulic system are described in detail above.
Principle and implementation of the present invention are described for specific case used herein, and the explanation of above example is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of brake fluid system emission sensing device, which is characterized in that including：
Attachment device (3) for being connect with wheel cylinder air vent；
In brake fluid for checking wheel cylinder air vent discharge whether bladdery observation device (4), the observation device
(4) it is connected to the attachment device (3), and the observation device (4) has transparent observation panel.
2. brake fluid system emission sensing device according to claim 1, which is characterized in that the observation device (4)
Brake fluid outlet connect liquid trap (7) for storing the brake fluid.
3. brake fluid system emission sensing device according to claim 2, which is characterized in that the liquid trap (7) is
The pressure limiting for deflation is provided on the pipeline that enclosed type liquid collector, the liquid trap (7) and the observation device (4) connect
Valve (6).
4. brake fluid system emission sensing device according to claim 3, which is characterized in that the observation device (4)
The pipeline being connect with the pressure limiting valve (6) is equipped with shut-off valve to be opened/closed (5).
5. brake fluid system emission sensing device according to claim 2, which is characterized in that the liquid trap (7) is logical
It crosses different connectors and is separately connected at least two observation devices (4), the observation device (4) and be connected respectively difference
The wheel cylinder air vent of wheel cylinder.
6. brake fluid system emission sensing device according to claim 2, which is characterized in that the observation device (4)
Both ends for the transparent cavity body structure of strip, the observation device (4) are separately connected the attachment device (3) and the liquid trap
(7)。
7. brake fluid system emission sensing device according to any one of claims 1 to 6, which is characterized in that the company
One end on connection device (3) for being connect with the wheel cylinder air vent is equipped with the sealing ring for enhancing sealing.
8. brake fluid system emission sensing device according to claim 7, which is characterized in that the sealing of the sealing ring
Pressure limit is 2MPa to 3MPa.
9. a kind of hydraulic system, including wheel cylinder, which is characterized in that further include claim 1 to 8 any one of them hydraulic braking
System exhaust detection device.
10. hydraulic system according to claim 9, which is characterized in that the wheel cylinder air vent is equipped with conical surface sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079225.9A CN108454605A (en) | 2018-01-26 | 2018-01-26 | Brake fluid system emission sensing device and hydraulic system with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079225.9A CN108454605A (en) | 2018-01-26 | 2018-01-26 | Brake fluid system emission sensing device and hydraulic system with the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108454605A true CN108454605A (en) | 2018-08-28 |
Family
ID=63239093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810079225.9A Pending CN108454605A (en) | 2018-01-26 | 2018-01-26 | Brake fluid system emission sensing device and hydraulic system with the device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108454605A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043534A (en) * | 2019-04-29 | 2019-07-23 | 兰州理工大学 | The visual experimental apparatus and method of bubbly flow and bubble removing in hydraulic system |
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