CN105889577A - Inflation and deflation control valve - Google Patents
Inflation and deflation control valve Download PDFInfo
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- CN105889577A CN105889577A CN201510009575.4A CN201510009575A CN105889577A CN 105889577 A CN105889577 A CN 105889577A CN 201510009575 A CN201510009575 A CN 201510009575A CN 105889577 A CN105889577 A CN 105889577A
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- valve
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Abstract
The invention discloses an inflation and deflation control valve. The inflation and deflation control valve mainly consists of a valve deck, a first valve seat, a main valve body, a second valve seat, a first diaphragm, a third valve seat, a second diaphragm and a valve bottom which are sequentially arranged from top to bottom as well as a check valve element, an inflation valve element, a deflation valve element, a valve rod, a pilot valve element, four reset springs and other components which are coaxially arranged; a first gas path connection port is formed in the valve deck; the upper cavity of the main valve body communicates with the lower cavity of the valve body through the inflation valve element; the check valve element is arranged in the upper cavity of the main valve body and forms a sealing pair with the first valve base; the deflation valve element is located in the lower cavity of the main valve body and forms a sealing pair with the second valve base; the pilot valve element is arranged on the second diaphragm and forms a sealing pair with the third valve base; an exhaust port is formed in the second valve base; a second gas path connection port is formed in the main valve body; a throttling exhaust hole is formed in the third valve base; and a first gas path and a second gas path are arranged on the valve body. The inflation and deflation control valve has the beneficial effects that the effective through diameter of a deflation valve opening is large, so that deflation speed is high; the automation degree is high; application cost is low.
Description
Technical field
The present invention relates to the valve assembly in a kind of Center Tyre Inflation/Deflation System, specially one can automatically perform inflation,
Venting and the inflation/deflation control valve of pressure holding function.
Background technology
Military vehicle and offroad vehicle often arrive the complicated region of road conditions and travel, when above-mentioned vehicle is by desert, river shoal, marsh etc.
Need to deflate a tire the contact area increasing between tire and ground during soft surface thus strengthen tire and grab ground ability to ensure car
Can pass through, when above-mentioned vehicle enters good road conditions again to tyre inflating to keep the maneuverability that it is good.Military
Offroad vehicle is often responsible for weaponry and the motor-driven and battlefield rescue etc. of the delivery of personnel, armament systems and communication and command system
Special duty, needs to utilize air-charging and air-discharging system to reconcile the blowing pressure of tire according to different road conditions, and then slows down the shake of vehicle body
Dynamic, ensure that the safety of weaponry and mobile weapon system play with the normal of communication and command system effectiveness, improve battlefield existence
Ability.
In the prior art, most of Center Tyre Inflation/Deflation System are to be connected with tire air chamber by pressure transducer detection
In pipeline in gas steady state pressure detect inflation pressure of tire, then the pressure signal detected is transferred to Electronic Control list
Unit, then controlled the electromagnetic valve inflated for deflated operation of execution by electronic control unit output control signal.Each parts will be on car body
Dispersed placement, not only seems numerous and diverse, researches and develops the highest with production cost；Simultaneously as electromagnetic valve effective drift diameter is less, electromagnetism
Valve defines throttling action in deflation course, slow down the speed of the venting of tire significantly；For existing technology water
For Ping, it is difficult to again do greatly by the effective drift diameter of electromagnetic valve, generally by increasing it in the case of the most excessively increasing volume and power consumption
The valve of its auxiliary improves venting speed, and this makes again system excessively complicated and less reliable, further increases cloth on vehicle
The difficulty put.
Inflation/deflation control valve utilizes diaphragm to realize automatically performing inflatable and deflatable operation to the sensitive characteristic of pressure differential,
Improve inflation/deflation speed simplied system structure.
Summary of the invention
It is an object of the invention to provide a kind of inflation/deflation control valve, this valve can automatically perform the inflation to tire, put
Gas and the operation of pressurize, control inflation pressure of tire in range of set value automatically.
The technical solution adopted in the present invention is: a kind of inflation/deflation control valve, mainly by the valve gap installed the most successively,
At the bottom of first valve seat, main valve body, the second valve seat, primary diaphragm, the 3rd valve seat, secondary diaphragm and valve and coaxial mounted unidirectional
Spool, inflation spool, venting spool, valve rod, pilot valve, the first back-moving spring, the second back-moving spring, the 3rd reset bullet
Spring and the component such as the 4th back-moving spring and gasket seal composition, valve gap is provided with the first air-path interface, and the first valve seat is provided with one
Individual check-valve port, the second valve seat is provided with a venting valve port, and the 3rd valve seat is provided with one for connection the 3rd valve seat and first
The poppet port of the chamber between chamber and the 3rd valve seat and secondary diaphragm between diaphragm, main valve body is divided into upper and lower two cavitys,
The epicoele of described main valve body and cavity of resorption are loaded by epicoele by one and are provided with the inflation spool of axial central through hole and connect, described
Inflation spool and main valve body between be provided with a radial sealing elements, the second back-moving spring is arranged on inflation spool and the first valve seat
Between, nonreturn valve core is arranged on the upper intracavity of main valve body and is formed close with the first valve seat under the compression force of the first back-moving spring
Envelope pair, venting spool is positioned at the lower intracavity of main valve body and forms sealing with the second valve seat under the compression force of the 3rd back-moving spring
Pair, the lower end of valve rod is connected with primary diaphragm, and the free end path section of described valve rod passes the axis through-hole of venting spool and stretches
Enter to main valve body lower intracavity and with the position that is close of inflation spool, be provided with a footpath between described valve rod and venting spool
To sealing ring, the 4th back-moving spring is arranged on valve rod and between valve rod and venting spool, pilot valve is arranged on the second film
Form sealing pair on sheet and with the 3rd valve seat, the sidewall of main valve body be provided with second air-path interface connecting its cavity of resorption chamber,
The sidewall of the second valve seat is provided with the air vent communicated with air, the sidewall of the 3rd valve seat is provided with a connection primary diaphragm
And the throttling steam vent of the chamber between the second valve seat, is provided with the first air flue and the second air flue, the first described air flue on valve body
Chamber between connecting at the bottom of the first air-path interface and secondary diaphragm and valve, the second described air flue is for connecting main valve body
Chamber between chamber and secondary diaphragm and the 3rd valve seat.
It is equipped with between valve gap and the first valve seat, between the first valve seat and main valve body and between main valve body and the second valve seat
Gasket seal.
Being provided with a rubber seal at the check-valve port of the first described valve seat, this rubber seal is about one two
End respectively comprises a flange and the revolving body member with central through hole, and is fixedly mounted in check-valve port by described flange.
Described nonreturn valve core is the revolving body member of a taper, which is provided with a spring base.
Described inflation spool is positioned at the part of main valve body epicoele and is provided with two spring bases, is respectively mounted the first back-moving spring
One end and one end of the second back-moving spring, the other end of the first back-moving spring is arranged on the spring base of nonreturn valve core, and second resets
The other end of spring is against on the first valve seat.
Described venting spool is a revolving body member being provided with axial central through hole, and it includes a spring base, institute
The one end of the 3rd back-moving spring stated is arranged on the spring base of venting spool, and its other end is against the top of main valve body cavity of resorption, and
Venting spool is against on the valve port of the second valve seat by the effect by self compression stress.
Described primary diaphragm is a rolling diaphragm, and described secondary diaphragm is a flat diaphragm.
The starting differential pressure of nonreturn valve core is more than the starting differential pressure of pilot valve.
Valve rod first to be closed the axial central through hole of inflation spool during moving upward and then drive venting spool again
Open.
The first described air flue and the second air flue distribution be arranged on valve gap, the first valve seat, main valve body, the second valve seat, the 3rd
On at the bottom of valve seat and valve.
First air-path interface is the air inlet of valve；Second air-path interface connects with tire air chamber.
Inflation/deflation control valve is a valve assembly that can automatically perform inflation, venting or pressure holding function, and its function is: its
Self can automatically keep coming the gas pressure at the second air-path interface and the gas pressure at the first air-path interface to be close.It connects
Short range degree is relevant to the unlatching pressure differential of nonreturn valve core and pilot valve.As a pressure control valve in air-charging and air-discharging system,
Inflation/deflation control valve also need to other auxiliary pneumatic element and or electric-control system with the use of the function realizing inflation/deflation.Allusion quotation
One of application scheme of type: the gas outlet connection of the air inlet of inflation/deflation control valve and a pressure regulator valve being arranged in driver's cabin, should
The air inlet of pressure regulator valve connects with source of the gas, and what a goal pressure driver only need to set by regulation pressure regulator valve in driver's cabin
Value, the tire being connected with self can be inflated or bleed air operation by inflation/deflation control valve automatically, until being adjusted by inflation pressure of tire
Whole in the range of target pressure value.
The operation principle of the inflation/deflation control valve of the present invention is:
Utilize the diaphragm sensitive characteristic to pressure differential, by inflation pressure of tire and a steady state pressure having supply being entered
Row relatively and studies and judges whether export a pilot pressure signal to actuator cylinder, by cylinder Synchronization Control inflation spool
Time-delay closing performs bleed air operation with the delayed start-up of venting spool；If have the steady state pressure of supply higher than inflation pressure of tire with
The summation of the pressure reduction needed for open check valve core, then check valve is opened, and gases at high pressure enter tire air chamber, and tire is in inflation shape
State；Until inflation pressure of tire is single with during the difference of the pressure reduction of open check valve core higher than the pressure at inflation/deflation control valve air inlet
To valve core reset, tire is in packing state.
The invention has the beneficial effects as follows:
1, the effective drift diameter of venting valve port is big, and venting speed is fast；
2, simple in construction, reliability is high；
3, simplify air-charging and air-discharging system, reduce application cost；
4, automaticity is high, is conducive to alleviating the burden of driver.
Accompanying drawing explanation
Fig. 1 is the structure chart of the inflation/deflation control valve of the present invention；
In figure, 1-valve gap, 2-nonreturn valve core, 3-the first valve seat, 4-the first back-moving spring, 5-second resets bullet
Spring, 6-inflates spool, 7-radial sealing elements, 8-main valve body, 9-the 3rd back-moving spring, and 10-exits spool；11-
4th back-moving spring, 12-the second valve seat, 13-valve rod, 14-primary diaphragm, 15-the 3rd valve seat, 16-arrive first spool,
17-secondary diaphragm, at the bottom of 18-valve；A-the first air-path interface, b-axially extending bore, c-the second air-path interface, d-air vent,
E-poppet port, f-throttles steam vent.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings.
Inflation/deflation control valve of the present invention as it is shown in figure 1, mainly by the valve gap (1) installed the most successively, the
One valve seat (3), main valve body (8), the second valve seat (12), primary diaphragm (14), the 3rd valve seat (15), secondary diaphragm (17)
With (18) at the bottom of valve and coaxial mounted nonreturn valve core (2), inflation spool (6), venting spool (10), valve rod (13),
Pilot valve (16), the first back-moving spring (4), the second back-moving spring (5), the 3rd back-moving spring (9) and the 4th reset bullet
The component compositions such as spring (11) and gasket seal.Between valve gap (1) and the first valve seat (3), the first valve seat (3) is with main
It is equipped with gasket seal between valve body (8) and between main valve body (8) and the second valve seat (3)；Valve gap (1) is provided with
One air-path interface (a), this interface is for connecting the gas outlet of the pressure regulator valve being positioned at driver's cabin；First valve seat (3) is provided with one
Individual check-valve port, is provided with a rubber seal at the check-valve port of described the first valve seat (3), and this rubber seal is one
Individual upper and lower two ends respectively comprise a flange and the revolving body member with central through hole, and are fixedly mounted on list by described flange
On valve port；Second valve seat (12) is provided with a venting valve port；3rd valve seat (15) is provided with one for connection the 3rd
The chamber between chamber and the 3rd valve seat (15) and secondary diaphragm (17) between valve seat (15) and primary diaphragm (14)
Poppet port (e)；Main valve body (8) is divided into upper and lower two cavitys, the epicoele of described main valve body (8) and cavity of resorption by one
Loaded and be provided with inflation spool (6) connection of axial central through hole (b) by epicoele, described inflation spool (6) is positioned at main valve
The part of body (8) epicoele is provided with two spring bases；It is provided with a radial direction between described inflation spool (6) and main valve body (8)
Potted component (7), this radial sealing elements (7) is specially a Y-shaped ring；Nonreturn valve core (2) is arranged on main valve body (8)
Upper intracavity and under the compression force of the first back-moving spring (4) with the first valve seat (3) formed sealing pair, described is unidirectional
Spool (2) is the revolving body member of a taper, which is provided with a spring base；Venting spool (10) is positioned at main valve body (8)
Lower intracavity and under the compression force of the 3rd back-moving spring (9) with the second valve seat (12) formed sealing pair, described venting
Spool (10) is a revolving body member being provided with axial central through hole, and it includes a spring base；Under valve rod (13)
End is connected with primary diaphragm (14), and the free end path section of described valve rod (13) is led to through the axle center of venting spool (10)
Hole and extend into main valve body (8) lower intracavity and with inflation spool (6) position that is close, described valve rod (13) with
It is provided with a radial direction seal ring between venting spool (10)；It is upper and with that pilot valve (16) is arranged on secondary diaphragm (17)
Three valve seats (15) form sealing pair；One end of first back-moving spring (4) is arranged on the spring base of inflation spool (6), its
The other end is arranged on the spring base of nonreturn valve core (2), and one end of the second back-moving spring (5) is arranged on inflation spool (6)
On spring base, the other end is against on the first valve seat (3)；One end of the 3rd described back-moving spring (9) is arranged on venting spool
(10), on spring base, its other end is against the top of main valve body (8) cavity of resorption, and leans on the effect of self compression stress by vent valve
Core (10) is against on the valve port of the second valve seat (12)；One end of 4th back-moving spring (11) is arranged on the bullet of valve rod (13)
On spring abutment, its other end is against on the lower surface of venting spool (10)；The sidewall of main valve body (1) is provided with one and connects it
Second air-path interface (c) of cavity of resorption chamber, is provided with the air vent (d) communicated with air on the sidewall of the second valve seat (12),
The joint of the chamber being provided with on the sidewall of the 3rd valve seat (15) between connection primary diaphragm (14) and the second valve seat (15)
Stream steam vent (f), also include distribution be arranged on valve gap (1), the first valve seat (3), main valve body (8), the second valve seat (12),
The first air flue on (18) at the bottom of 3rd valve seat (15) and valve and the second air flue, the first described air flue is for connection the first gas circuit
Chamber between (18) at the bottom of interface (a) and secondary diaphragm (17) and valve, the second described air flue is used for connecting main valve body (8)
Epicoele and secondary diaphragm (17) and the 3rd valve seat (15) between chamber.
The starting differential pressure of nonreturn valve core (2) is more than the starting differential pressure of pilot valve (16).
Valve rod (13) first to close during moving upward inflation spool (6) axial central through hole (b) and then
Venting spool (10) is driven to open again.
At the bottom of valve gap (1), the first valve seat (3), main valve body (8), the second valve seat (12), the 3rd valve seat (15) and valve
(18) it is bolted and is fixed as one.
The above is presently preferred embodiments of the present invention, is not limiting as the present invention, every the spirit and principles in the present invention it
Interior done any amendment, equivalent and improvement etc., should be included within the scope of the present invention.
Claims (10)
1. an inflation/deflation control valve, the valve gap mainly including installing the most successively, the first valve seat, main valve body, the second valve
At the bottom of seat, primary diaphragm, the 3rd valve seat, secondary diaphragm and valve and coaxial mounted nonreturn valve core, inflation spool, venting spool,
The components such as valve rod, pilot valve and back-moving spring, valve gap is provided with the first air-path interface, and the first valve seat is provided with a check valve
Mouthful, the second valve seat is provided with a venting valve port, and the 3rd valve seat is provided with one between connection the 3rd valve seat and primary diaphragm
Chamber and the 3rd valve seat and secondary diaphragm between the poppet port of chamber, main valve body is divided into upper and lower two cavitys, described master
The epicoele of valve body and cavity of resorption are loaded by epicoele by one and are provided with the inflation spool of axial central through hole and connect, described charge valve
Being provided with a radial sealing elements between core and main valve body, the second back-moving spring is arranged between inflation spool and the first valve seat, single
It is arranged on the upper intracavity of main valve body to spool and forms sealing pair with the first valve seat under the compression force of the first back-moving spring, putting
Gas valve core is positioned at the lower intracavity of main valve body and forms sealing pair, valve rod with the second valve seat under the compression force of the 3rd back-moving spring
Lower end be connected with primary diaphragm, the free end path section of described valve rod is through the venting axis through-hole of spool and extend into main valve
The lower intracavity of body and the position being close with inflation spool, be provided with a radial direction seal ring between described valve rod and venting spool,
4th back-moving spring is arranged on valve rod and between valve rod and venting spool, and pilot valve is arranged on secondary diaphragm and with the
Three valve seats form sealing pair, are provided with second air-path interface connecting its cavity of resorption chamber, at the second valve on the sidewall of main valve body
The sidewall of seat is provided with the air vent communicated with air, is provided with a connection primary diaphragm and the second valve on the sidewall of the 3rd valve seat
The throttling steam vent of the chamber between Zuo, is provided with the first air flue and the second air flue on valve body, and the first described air flue is used for connecting
Chamber between at the bottom of first air-path interface and secondary diaphragm and valve, the second described air flue is for connecting the epicoele and second of main valve body
Chamber between diaphragm and the 3rd valve seat.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that between valve gap and the first valve seat, the first valve
It is equipped with gasket seal between seat and main valve body and between main valve body and the second valve seat.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that at the check-valve port of the first described valve seat
Being provided with a rubber seal, this rubber seal is that about one two ends respectively comprise a flange and returning with central through hole
Body member, and be fixedly mounted in check-valve port by described flange.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that described nonreturn valve core is a taper
Revolving body member, which is provided with a spring base.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that described inflation spool is positioned on main valve body
The part in chamber is provided with two spring bases, is respectively mounted one end and one end of the second back-moving spring of the first back-moving spring, and first resets
The other end of spring is arranged on the spring base of nonreturn valve core, and the other end of the second back-moving spring is against on the first valve seat.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that described venting spool is one and is provided with axle
To the revolving body member of central through hole, it includes a spring base, one end of the 3rd described back-moving spring are arranged on vent valve
On the spring base of core, its other end is against the top of main valve body cavity of resorption, and by the effect of self compression stress, venting spool is against the
On the valve port of two valve seats.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that described primary diaphragm is one and rolls film
Sheet, described secondary diaphragm is a flat diaphragm.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that the starting differential pressure of nonreturn valve core is more than guide
The starting differential pressure of spool.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that valve rod is wanted first during moving upward
Close the axial central through hole of inflation spool and then drive venting spool to open again.
Inflation/deflation control valve the most according to claim 1, it technology is characterized in that the first described air flue and the second air flue
Distribution is arranged at the bottom of valve gap, the first valve seat, main valve body, the second valve seat, the 3rd valve seat and valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009575.4A CN105889577A (en) | 2015-01-09 | 2015-01-09 | Inflation and deflation control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510009575.4A CN105889577A (en) | 2015-01-09 | 2015-01-09 | Inflation and deflation control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889577A true CN105889577A (en) | 2016-08-24 |
Family
ID=56998843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510009575.4A Pending CN105889577A (en) | 2015-01-09 | 2015-01-09 | Inflation and deflation control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889577A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958676A (en) * | 2017-05-16 | 2017-07-18 | 无锡市华通气动制造有限公司 | A kind of automatic pressure regulator |
| CN107411732A (en) * | 2017-08-14 | 2017-12-01 | 安徽工程大学 | A kind of deflation adjusting means of electronic sphygmomanometer |
| CN110005861A (en) * | 2019-05-17 | 2019-07-12 | 深圳市苍泰科技有限公司 | A kind of solenoid valve block for pressure control |
-
2015
- 2015-01-09 CN CN201510009575.4A patent/CN105889577A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958676A (en) * | 2017-05-16 | 2017-07-18 | 无锡市华通气动制造有限公司 | A kind of automatic pressure regulator |
| CN107411732A (en) * | 2017-08-14 | 2017-12-01 | 安徽工程大学 | A kind of deflation adjusting means of electronic sphygmomanometer |
| CN107411732B (en) * | 2017-08-14 | 2020-08-21 | 安徽工程大学 | Air-bleeding adjusting device of electronic sphygmomanometer |
| CN110005861A (en) * | 2019-05-17 | 2019-07-12 | 深圳市苍泰科技有限公司 | A kind of solenoid valve block for pressure control |
| CN110005861B (en) * | 2019-05-17 | 2024-01-02 | 深圳市蓝谷智能装备研发有限公司 | Electromagnetic valve group for pressure control |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |
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| WD01 | Invention patent application deemed withdrawn after publication |