CN108819932A - A kind of multi-functional three-axle relay valve - Google Patents
A kind of multi-functional three-axle relay valve Download PDFInfo
- Publication number
- CN108819932A CN108819932A CN201810682829.2A CN201810682829A CN108819932A CN 108819932 A CN108819932 A CN 108819932A CN 201810682829 A CN201810682829 A CN 201810682829A CN 108819932 A CN108819932 A CN 108819932A
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- Prior art keywords
- piston
- valve body
- shell
- functional
- assisted channel
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- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a kind of multi-functional three-axle relay valves, it is desirable to provide a kind of multi-functional three-axle relay valve of good braking effect.It includes being sequentially connected the shell constituted by upper valve body, middle valve body and lower valve body, is installed in shell, the valve member at lower part, is installed in shell, piston group, and the spring for return piston group；Setting braking air flue on the middle valve body；Multiple gas off-takes and at least one air intake duct are provided in the lower valve body；The piston group includes the guide rod of the first piston and connected second piston and first piston in shell, the second piston in top, in shell cavity, in second piston lower section；The middle part and lower part of the first piston are connect with lower valve body inner wall hermetic seal；The upper end face product of the first piston is greater than its rear surface product；There is the second brake chamber between the upper end and upper valve body inner wall of second piston, there is the first brake chamber between the upper end of first piston and middle valve interior wall.
Description
Technical field
The present invention relates to brake and drive system for vehicle with tow technical fields, more particularly, to a kind of multi-functional three-axle relay valve.
Background technique
When automobile brake, the braking pressure of brake valve of car is interior in short-term to fully open relay valve valve, leads to vapour
Vehicle braking is bad, is difficult that vehicle is made to stop safely when overloaded, braking effect is bad.
Summary of the invention
The purpose of the present invention is intended to overcome the shortcomings of the prior art, provides a kind of good braking effect, it can be ensured that row
The multi-functional three-axle relay valve of vehicle safety.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：
A kind of multi-functional three-axle relay valve is installed on including being sequentially connected the shell constituted by upper valve body, middle valve body and lower valve body
In shell, the valve member at lower part, be installed in shell, the piston group for driving valve member, and for multiple
The spring of position piston group；Setting braking air flue on the middle valve body；Multiple gas off-takes are provided in the lower valve body, and at least
One air intake duct；The piston group include be located in shell, the second piston in top, be located in shell cavity, be located at the
The guide rod of first piston and connected second piston and first piston in below two pistons；The middle part of the first piston and
Lower part is connect with lower valve body inner wall hermetic seal；The upper end face product of the first piston is greater than its rear surface product；Described second
There is the second brake chamber between the upper end and upper valve body inner wall of piston, have between the upper end of the first piston and middle valve interior wall
First brake chamber；The lower end of the guide rod and the spool of valve member connect；It further includes connection air intake duct and the second braking
The assisted channel of gas chamber, and be set on upper valve body, the regulating mechanism for controlling assisted channel opening and closing；The braking air flue
It is connected to respectively with the driving end of regulating mechanism and the first brake chamber.
Preferably, the regulating mechanism includes the control for being set on upper valve body, being connected to assisted channel and braking air flue
Chamber processed is set in control chamber, the third piston positioned at braking air flue one end, for the return spring of return third piston, with
And it is set in control chamber, fourth piston opposite with third piston；When return spring compression, third piston is to the 4th piston
Direction is mobile, and assisted channel is opened；When return spring resets, assisted channel is closed.
Preferably, the assisted channel uses external pipeline.
Preferably, the assisted channel uses built-in air flue.
Preferably, it is bolted between the upper valve body, middle valve body and lower valve body.
Compared with prior art, the invention has the advantages that：
The present invention is by that can open and close adjusting machine according to the pressure of braking pressure according to the load condition and brake force needs of vehicle
Structure, to ensure that vehicle is able to maintain good braking in all cases, greatly improves driving to control the on-off of assisted channel
Safety.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure sectional view of first embodiment of the invention.
Fig. 2 is the structure sectional view of second embodiment of the invention.
Specific embodiment
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 description, 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, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.In the following description, structure and work side of the invention in order to clearly demonstrate
Formula will be described on the basis of attached drawing by many Directional words, but should by "front", "rear", "left", "right",
The Word Understandings such as "upper", "lower" are not construed as word of limitation for convenience of term.
Embodiment 1
Multi-functional three-axle relay valve shown in FIG. 1 is constituted including being sequentially connected by upper valve body 21, middle valve body 22 and lower valve body 23
Shell 2 is installed in shell 2, the valve member 1 at lower part, is installed in shell 2, the work for driving valve member 1
Plug group, and the spring 3 for return piston group；Setting braking air flue 4 on the middle valve body 22；It is arranged in the lower valve body 23
There are multiple gas off-takes 5 and at least one air intake duct 6；The piston group includes interior positioned at shell 2, in top second living
Plug 7, the first piston 8 and connected second piston 7 and first in 2 cavity of shell, in 7 lower section of second piston are living
The guide rod 9 of plug 8；The middle part and lower part of the first piston 8 are connect with 23 inner wall hermetic seal of lower valve body；It is characterized in that：It is described
The upper end face product of first piston 8 is greater than its rear surface product；Have between 21 inner wall of upper end and upper valve body of the second piston 7
Second brake chamber 10 has the first brake chamber 12 between 22 inner wall of upper end and middle valve body of the first piston 8；The guide rod
9 lower end is connect with the spool 11 of valve member 1；It further includes the assisted channel for being connected to air intake duct 6 and the second brake chamber 10
13, and be set on upper valve body 21, the regulating mechanism 14 for controlling the opening and closing of assisted channel 13；The braking air flue 4 is distinguished
It is connected to the driving end 19 of regulating mechanism 14 and the first brake chamber 12.
Wherein, the regulating mechanism 14 includes being set on upper valve body 21, being connected to assisted channel 13 and braking air flue 4
Control chamber 15 is set in control chamber 15, the third piston 16 positioned at braking 4 one end of air flue, for return third piston 16
Return spring 17, and be set in control chamber 15, fourth piston 18 opposite with third piston 16；When return spring 17 compresses
When, third piston 16 is mobile to 18 direction of the 4th piston, and assisted channel 13 is opened；When return spring 17 resets, assisted channel
13 close.
Closing of 4th piston for control chamber end at the same time can also be by the 4th piston to return spring
Compression degree be adjusted, realize regulating mechanism working set value adjusting.
In the present embodiment, the assisted channel 13 uses built-in air flue, wherein illustrating only part-structure, it is clear that described
External pipeline also can be used in assisted channel 13, is specifically shown in Fig. 1, has reserved connecing for external pipeline in the embodiment on air intake duct 6
Mouth 61 is closed interface when using built-in pipe.
Wherein, it is preferably bolted between the upper valve body 21, middle valve body 22 and lower valve body 23.
Built-in air flue or external pipeline, the present embodiment can be used in the connection of the braking air flue and 14 control chamber of regulating mechanism
Using built-in air flue form.
Embodiment 2
Multi-functional three-axle relay valve shown in Fig. 2, wherein under using the main vehicle relay valve of lower valve body-of another structure type
Valve body, remaining is essentially identical with above-described embodiment.It will be apparent that other applicable lower valve bodies also can be used in the lower valve body.
Working method is as follows：
The present invention is by setting regulating mechanism, and when automobile zero load braking, the valve member of three-axle relay valve is opened, and enters at this time
When the atmospheric pressure of brake chamber is less than the setting value of regulating mechanism, in the case, regulating mechanism is failure to actuate, and brakes air flue
Air pressure enters the first brake chamber, and driving first piston realizes the effective brake of automobile zero load.When automobile is fully loaded or overloads braking
When, the effective brake of automobile is only unable to satisfy by the brake force of first piston, it is big into the atmospheric pressure of brake chamber at this time
When the setting value of regulating mechanism, in the case, regulating mechanism is opened under the driving of braking pressure, by the height in air intake duct
It calms the anger and is imported in the second brake chamber by assisted channel, driving second piston moves down, and cooperation first piston reaches system
Move very sensitive effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of multi-functional three-axle relay valve, including by upper valve body（21）, middle valve body（22）And lower valve body（23）It is sequentially connected structure
At shell（2）, it is installed on shell（2）Valve member interior, at lower part（1）, it is installed on shell（2）It is interior, for driving
Valve member（1）Piston group, and the spring for return piston group（3）；The middle valve body（22）Air flue is braked in upper setting
（4）；The lower valve body（23）On be provided with multiple gas off-takes（5）And at least one air intake duct（6）；The piston group includes
Positioned at shell（2）Second piston interior, in top（7）, it is located at shell（2）In cavity, it is located at second piston（7）In lower section
First piston（8）And connected second piston（7）And first piston（8）Guide rod（9）；The first piston（8）Middle part and
Lower part and lower valve body（23）Inner wall hermetic seal connection；It is characterized in that：The first piston（8）Upper end face product be greater than its under
End surface area；The second piston（7）Upper end and upper valve body（21）There is the second brake chamber between inner wall（10）, described first
Piston（8）Upper end and middle valve body（22）There is the first brake chamber between inner wall（12）；The guide rod（9）Lower end and valve group
Part（1）Spool（11）Connection；It further includes connection air intake duct（6）And second brake chamber（10）Assisted channel（13）, with
And it is set to upper valve body（21）Above, for controlling assisted channel（13）The regulating mechanism of opening and closing（14）；The braking air flue（4）Point
Not and regulating mechanism（14）Driving end（19）And first brake chamber（12）Connection.
2. multi-functional three-axle relay valve according to claim 1, it is characterised in that：The regulating mechanism（14）Including being set to
Upper valve body（21）Upper and assisted channel（13）And braking air flue（4）The control chamber of connection（15）, it is set to control chamber（15）Interior,
Positioned at braking air flue（4）The third piston of one end（16）, it is used for return third piston（16）Return spring（17）, and setting
In control chamber（15）Interior and third piston（16）The 4th opposite piston（18）；Work as return spring（17）When compression, third piston
（16）To the 4th piston（18）Direction is mobile, assisted channel（13）It opens；Work as return spring（17）When reset, assisted channel（13）
It closes.
3. multi-functional three-axle relay valve according to claim 1 or claim 2, it is characterised in that：The assisted channel（13）Using outer
Set pipeline.
4. multi-functional three-axle relay valve according to claim 1 or claim 2, it is characterised in that：The assisted channel（13）Using interior
Set air flue.
5. multi-functional three-axle relay valve according to claim 1 or claim 2, it is characterised in that：The upper valve body（21）, middle valve body
（22）And lower valve body（23）Between be bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682829.2A CN108819932A (en) | 2018-06-28 | 2018-06-28 | A kind of multi-functional three-axle relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682829.2A CN108819932A (en) | 2018-06-28 | 2018-06-28 | A kind of multi-functional three-axle relay valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108819932A true CN108819932A (en) | 2018-11-16 |
Family
ID=64139164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810682829.2A Withdrawn CN108819932A (en) | 2018-06-28 | 2018-06-28 | A kind of multi-functional three-axle relay valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108819932A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481530A (en) * | 2019-09-18 | 2019-11-22 | 张应彪 | A kind of multi-functional relay valve of booster-type |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0046166A1 (en) * | 1980-08-16 | 1982-02-24 | WABCO Westinghouse Fahrzeugbremsen GmbH | Load-dependently controlled two-pipe trailer brake installation |
| EP0090908A2 (en) * | 1982-03-19 | 1983-10-12 | WABCO Westinghouse Fahrzeugbremsen GmbH | Pilot valve for pressure brakes |
| CN202703572U (en) * | 2012-06-12 | 2013-01-30 | 许如刚 | Two-level voltage-transforming three-bridge synchronous relay valve |
| CN202806734U (en) * | 2012-10-03 | 2013-03-20 | 胡大勇 | Adjustable type three-bridge simultaneous emergency relay valve |
| CN202879477U (en) * | 2012-09-11 | 2013-04-17 | 黄利国 | Secondary voltage transformation three-bridge relay valve |
| CN205059581U (en) * | 2015-10-27 | 2016-03-02 | 诸暨市泽安机械有限公司 | Novel relay valve |
| CN206797376U (en) * | 2017-06-14 | 2017-12-26 | 梁山顺安达汽车科技有限公司 | A kind of three bridge synchronization variable pressure relay valves |
| CN208469783U (en) * | 2018-06-28 | 2019-02-05 | 张应彪 | A kind of multi-functional three-axle relay valve |
-
2018
- 2018-06-28 CN CN201810682829.2A patent/CN108819932A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0046166A1 (en) * | 1980-08-16 | 1982-02-24 | WABCO Westinghouse Fahrzeugbremsen GmbH | Load-dependently controlled two-pipe trailer brake installation |
| EP0090908A2 (en) * | 1982-03-19 | 1983-10-12 | WABCO Westinghouse Fahrzeugbremsen GmbH | Pilot valve for pressure brakes |
| CN202703572U (en) * | 2012-06-12 | 2013-01-30 | 许如刚 | Two-level voltage-transforming three-bridge synchronous relay valve |
| CN202879477U (en) * | 2012-09-11 | 2013-04-17 | 黄利国 | Secondary voltage transformation three-bridge relay valve |
| CN202806734U (en) * | 2012-10-03 | 2013-03-20 | 胡大勇 | Adjustable type three-bridge simultaneous emergency relay valve |
| CN205059581U (en) * | 2015-10-27 | 2016-03-02 | 诸暨市泽安机械有限公司 | Novel relay valve |
| CN206797376U (en) * | 2017-06-14 | 2017-12-26 | 梁山顺安达汽车科技有限公司 | A kind of three bridge synchronization variable pressure relay valves |
| CN208469783U (en) * | 2018-06-28 | 2019-02-05 | 张应彪 | A kind of multi-functional three-axle relay valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481530A (en) * | 2019-09-18 | 2019-11-22 | 张应彪 | A kind of multi-functional relay valve of booster-type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |