CN107084276A - A kind of piston type vacuum coaxial valve using vacuum as power gas source - Google Patents
A kind of piston type vacuum coaxial valve using vacuum as power gas source Download PDFInfo
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- CN107084276A CN107084276A CN201710493743.0A CN201710493743A CN107084276A CN 107084276 A CN107084276 A CN 107084276A CN 201710493743 A CN201710493743 A CN 201710493743A CN 107084276 A CN107084276 A CN 107084276A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention provides a kind of piston type vacuum coaxial valve using vacuum as power gas source, including piston valve core, cylinder barrel, briquetting, sealing block, sealing ring, seal valve seat, electromagnetic control apparatus；The piston valve core is tubular, is sleeved in cylinder barrel and can move back and forth；The two ends of the cylinder barrel are provided with sealing block, for the packaging clearance between sealing piston formula valve element and cylinder barrel；The sealing block outer end is provided with briquetting, for compressing sealing block；Seal valve seat is also equipped with the port of export of the piston valve core, for the port of sealing piston formula valve element；The sealing ring contacting with each other on face between each part.Using the solution of the present invention, without external connection power source of the gas, using vacuum as power source, you can realize the open and close of coaxial valve with low power two-bit triplet magnetic valve, consumption power is small, easy to operate.
Description
Technical field
The present invention relates to fluid flow valve gate technology field, more particularly to a kind of piston type using vacuum as power gas source are true
Empty coaxial valve.
Background technology
Vacuum solenoid refers to the magnetic valve for being less than the negative pressure of vacuum system of normal atmosphere (An) for pressure, it is adaptable to vacuum
Equipment pipeline does two formula break-make switching executing agencies, and it is widely used on the industry vacuum system pipeline such as food, metallurgy.Its
Operation principle is exactly to utilize electromagnetic induction phenomenon, it is carried out induction control to pipeline, using vacuum principle, to valve
Door is internal to make vacuum construction, improves effectively the operating efficiency of vacuum solenoid, when the medium in pipeline is passing through
When the neighbouring pipeline of vacuum solenoid, medium will send information to the induction installation of vacuum solenoid, and valve will lead to
Information is crossed, the flow velocity of medium in pipeline is adjusted, efficiency is very high.
Chinese patent 201420600537.7, which is disclosed, is provided with toroid in a kind of vacuum solenoid, including valve body, valve body
Static iron core and dynamic iron core are equipped with successively in circle, the annular ring, and body top is fixed with nut, and the nut is provided with through hole, quiet
Iron core is embedded in the top of loop coil, and the static iron core center is provided with the first through hole connected with nut through hole, dynamic iron core and ring
Passage is formed between shape coil, body base is provided with the second through hole, have and communicate therewith below the second through hole both sides
Oblique through hole；Chinese patent 201210577436.8 discloses a kind of multi-level throttle regulating valve, including：Bonnet, valve body, valve rod,
Valve element, seal assembly, valve core housing, drain pipe, feed tube；Wherein, valve core housing is hollow cylinder, and its two ends is fixed on valve body
On the top and bottom cavity wall of chamber, valve core housing inwall has a plurality of rib, and the internal diameter of rib is matched with valve core diameter, close to valve core housing
Top end is radially provided with inlet opening；Valve element is the polyhedral structure processed on a cylinder matrix, valve element upper end
There is a boss at place, and boss lower inclined plane is to have a flow restriction control face at a certain distance under sealing surface, sealing surface.It is above-mentioned existing
Technology, when the power that the environment such as zero pressure difference or vacuum, high pressure needs is larger, it is necessary to be horizontally mounted, limit the wide of valve
General application.
Therefore, design it is a kind of it is being installed with any angle, without other additional power gas sources, great-power electromagnetic need not be used
The vacuum valve of coil turns into one of technical problem.
The content of the invention
For overcome the limitation of setting angle present in prior art, electromagnetic power limitation etc. technical problem, the present invention carries
A kind of piston type vacuum coaxial valve using vacuum as power gas source is supplied.
The technical scheme is that：A kind of piston type vacuum coaxial valve using vacuum as power gas source, it is characterised in that：
Including coaxial valve portion and electromagnetism valve portion, the coaxial valve portion is using vacuum as power source, including piston valve core, cylinder
Cylinder, briquetting, sealing block, sealing ring, seal valve seat, the electromagnetism valve portion include electromagnetic control apparatus；The piston valve core
For tubular, it is sleeved in cylinder barrel and can moves back and forth；The side wall of the cylinder barrel has passage, the cylinder barrel
Two ends are provided with sealing block, for the packaging clearance between sealing piston formula valve element and cylinder barrel；Install the sealing block outer end
There is briquetting, for compressing sealing block；Seal valve seat is also equipped with the port of export of the piston valve core, for sealing piston formula
The port of valve element；The electromagnetic control apparatus is connected by pipeline one end with cylinder barrel side wall, outside the other end and seal valve seat
Briquetting is connected；The sealing ring contacting with each other on face between each part.
On this basis, the outer wall of the piston valve core, which has, has annular ditch groove, institute on circular step, the step
State that annular ditch groove is embedded to be cased with piston packing, the inwall of the piston packing and cylinder barrel is in sealing contact；In piston type
Spring is cased with the side wall of valve element entrance point, the spring one end is against on sealing block section, and the other end is against circular step side
On face.
On this basis, cylinder barrel side wall has two passages, and two passages are respectively communicated with and plunger valve
The space of core circular step both sides, the passage of wherein entrance point is connected by pipeline with electromagnetic control apparatus, the port of export it is logical
Stomata is connected with air.
On this basis, the sealing block is middle porose round pie, and the outer wall of the cake has ring-shaped groove, institute
State groove and be nested with flexible sealing ring, the elastic seal ring is resilient contacting sealing with briquetting inwall；The interstitial hole
Inwall has ring-shaped groove, and the groove is nested with flexible sealing ring, and the sealing block is sleeved on the piston valve core two
On the outer wall at end, the elastic seal ring is resilient contacting sealing with plunger valve outer core；The section of the sealing block and gas
The port of cylinder barrel offsets；The edge of the sealing block of the port of export also has the flanging stretched out.
On this basis, the briquetting is located at logical with cylindrical fluid inside the outside of the sealing block, the briquetting
There is step inside road, the briquetting, the cylindrical channel of 2-3 sections of different-diameters is constituted into；The cylinder barrel, sealing block cover
In the barrel dliameter of briquetting；The inner most step of briquetting of the entrance point and the port of piston valve core offset；The outlet
The briquetting side wall at end has stomata, is connected by pipeline with electromagnetic control apparatus；Pass through bolt between the left and right briquetting block
Connection fastening.
On this basis, the seal valve seat is at round pie, its section edges and the flanging end face of sealing block offsets,
There is circular elastic sealing gasket at round pie kernel of section, have a diameter larger than or equal to the diameter of piston valve core, and with work
The port of export of plug valve element constitutes elastic packing；As a kind of optional embodiment of the present invention, described elastic sealing gasket is
Round pie, has a diameter larger than the external diameter of piston valve core；As another optional embodiment of the present invention, described is elastic close
Packing is annular shape, the section of its ring cross-section covering piston valve core port；The seal valve seat is in the outer of elastic sealing gasket
Some through holes are also distributed with edge, the through hole correspondence is distributed between piston valve core and cylinder barrel on annular cross section.
On this basis, the piston valve core port of export is inner conical, and the edge of a knife, structure are formed at the fascia edge of port
The elastic sealing gasket in circlewise sealed knife, the annular seal knife and seal valve seat center, which offsets, is resilient sealing.
On this basis, the electromagnetic control apparatus includes：Two-bit triplet magnetic valve, magnetic valve spring, valve core of the electromagnetic valve；
The two-bit triplet magnetic valve Single port is connected with air, and Single port is connected with the passage at cylinder barrel entrance point end, one end
Connected with the passage of the briquetting of the port of export.
On this basis, when the coaxial valve is opened, the passage of the cylinder barrel port of export passes through pipeline, two-bit triplet
Magnetic valve is connected with the briquetting of the port of export；When the coaxial valve is closed, the passage of the cylinder barrel entrance point passes through pipeline, two
Position-3-way solenoid valve and atmosphere.
On this basis, the gas or other media possess the fluid in two-way flow control, entrance point pipeline for just
To pressure or negative pressure of vacuum；When the valve is closed, vacuum and positive pressure pressure can be born without leakage.
With compared with traditional vacuum solenoid, the beneficial effects of the invention are as follows：
1) without external connection power source of the gas, using vacuum as power source, i.e., without powerful solenoid controlled coaxial valve
Open and close, but with low power two-bit triplet magnetic valve be controllable negative pressure of vacuum transmission whether, so as to realize same
The open and close of axle valve, consumption power is small, easy to operate.
2) technical scheme, according to vacuum pump flow rate size, can manufacture and design the vacuum coaxial valve of big flow.
And traditional vacuum solenoid, the vacuum coaxial valve of big flow is manufactured, it is extremely difficult, and also operational control cost is high.
3) balance type structure design is employed between technical scheme, inlet and outlet, what entrance point was connected
Pipeline or other inner chambers can be positive pressure or negative pressure of vacuum.
4) traditional vacuum solenoid, valve function is influenceed by setting angle, and technical scheme is solved
This technical problem, is adapted to any angle and position is installed, and does not interfere with the conducting of fluid in valve body.
5) technical scheme, valve body axially loaded balance, regardless of shunt pressure and pressure difference factor, can control
High vacuum or high pressure.
6) technical scheme, gas or other media can two-way flow control, valve close when, vacuum can be born
And positive pressure pressure is without leaking, and the structure of prior art, individual event flowing control can only be realized.
Brief description of the drawings
Structural representation when Fig. 1 is the piston type vacuum coaxial valve unlatching using vacuum as power gas source；
Structural representation when Fig. 2 is the piston type vacuum coaxial valve closing using vacuum as power gas source.
Reference is as follows in figure：Electromagnetism valve portion A and coaxial valve portion B, two-bit triplet electromagnetic valve coil 1, two three
Three-way electromagnetic valve spring 2, two-bit triplet valve core of the electromagnetic valve 3, left briquetting 4, left sealing block 5, sealing block inner seal ring 6, outside sealing block
Sealing ring 7, briquetting sealing ring 8, valve core spring 9, cylinder barrel 10, piston valve core 11, piston packing 12, sealing gasket 13, the right side
Sealing block 16, seal valve seat 17, connecting bolt 18, right briquetting 19.
Embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific embodiment only to explain the present invention, is not intended to limit the present invention.
Embodiment 1
As depicted in figs. 1 and 2, a kind of piston type vacuum coaxial valve using vacuum as power gas source, including electromagnetism valve portion A
With coaxial valve portion B：Electromagnetism valve portion includes electromagnetic control apparatus；Coaxial valve portion is using vacuum as power source, including piston type
Valve element 11, cylinder barrel 10, left briquetting 4, right briquetting 19, left sealing block 5, right sealing block 16, sealing ring, seal valve seat 17.Wherein,
Piston valve core 11 is tubular, is sleeved in cylinder barrel 10 and can realize and moves back and forth；The two ends of cylinder barrel 10 are provided with
Sealing block, left and right each one, respectively left sealing block 5, right sealing block 16, sealing block be used for sealing piston formula valve element and cylinder barrel it
Between packaging clearance；Sealing block outer end is also equipped with briquetting, left and right each one, respectively left briquetting 4, right briquetting 19, for compressing
Sealing block；Seal valve seat 17 is also equipped with the port of export of piston valve core 11, for the port of sealing piston formula valve element 11；Electricity
Magnetic controller is connected by pipeline one end with the side wall of cylinder barrel 10, and the other end is connected with the briquetting outside seal valve seat.
The outer wall of piston valve core 11, which has, has annular ditch groove on circular step, step, annular ditch groove is embedded to be cased with living
The inwall of plug sealing ring 12, piston packing 12 and cylinder barrel 10 is in sealing contact；In the side wall of the entrance point of piston valve core 11
On be cased with valve core spring 9, the one end of valve core spring 9 is against on the section of left sealing block 4, and the other end is against the ring of piston valve core 11
On the side of shape step.
The side wall of cylinder barrel 10 has two passages, and two passages are respectively communicated with and the circular step two of piston valve core 11
The passage in the space of side, wherein entrance point is connected by pipeline with electromagnetic control apparatus, the passage of the port of export and big gas phase
Connection.
Sealing ring contacting with each other on face between each part, is mainly distributed on several contact surfaces：Piston valve core
Sealing block inner seal ring 6 in contact surface between 11 outer wall and the inwall of sealing block, such as figure, left and right each one；Outside sealing block
Sealing block exterior seal ring 7 in contact surface between wall and briquetting inwall, such as figure, left and right each one；The outer wall and pressure of cylinder barrel 10
Briquetting sealing ring 8 in contact surface between block inwall, such as figure, left and right each one.The sealed mode of sealing ring uses annular ditch groove
The mode being combined with annular seal ring.
Sealing block is left and right each one, and both are slightly different, and sealing block is middle porose round pie, and the outer wall of cake has
Ring-shaped groove, groove is nested with flexible sealing ring, and elastic seal ring is resilient contacting sealing with briquetting inwall；Interstitial hole it is interior
Wall has ring-shaped groove, and groove is nested with flexible sealing ring, and sealing block is sleeved on the outer wall at piston valve core two ends, elasticity
Sealing ring is resilient contacting sealing with plunger valve outer core；The section of sealing block and the port of cylinder barrel offset；The port of export
The edge of sealing block also has the flanging stretched out.
Briquetting, which is located inside the outside of sealing block, briquetting, has cylindrical fluid passage, has step inside briquetting, constitutes
Into the cylindrical channel of 2-3 sections of different-diameters；Cylinder barrel 10, left sealing block 5, right sealing block 16 are sleeved on the barrel dliameter of briquetting
It is interior；The port of the inner most step of left briquetting 4 and piston valve core 11 of entrance point offsets；The side wall tool of right briquetting 19 of the port of export
There is stomata, be connected by pipeline with electromagnetic control apparatus；Connected and fastened by bolt 18 between the briquetting block of left and right.
Seal valve seat 17 is at round pie, its section edges and the flanging end face of sealing block offsets, in round pie section
There is circular elastic sealing gasket 13, elastic sealing gasket 13 is round pie, is had a diameter larger than or equal to piston valve core 11 at the heart
Diameter, and constitute elastic packing with the port of export of piston valve core 11；The port of export of piston valve core 11 is inner conical, in port
Fascia edge at form the edge of a knife, constitute annular seal knife, the central elastic sealing gasket of annular seal knife and seal valve seat offsets
It is resilient sealing.
Electromagnetic control apparatus includes：Two-bit triplet magnetic valve, magnetic valve spring, valve core of the electromagnetic valve；Two-bit triplet magnetic valve
Single port is connected with air, and Single port is connected with the passage at cylinder barrel entrance point end, the briquetting of one end and the port of export it is logical
Stomata is connected.
When coaxial valve is opened, the pressure that the passage of the cylinder barrel port of export passes through pipeline, two-bit triplet magnetic valve and the port of export
Block is connected；When coaxial valve is closed, the passage of cylinder barrel entrance point passes through pipeline, two-bit triplet magnetic valve and atmosphere.
It is that positive pressure or vacuum are negative that gas or other media, which possess the fluid in two-way flow control, entrance point pipeline,
Pressure；When the valve is closed, vacuum and positive pressure pressure can be born without leakage.
Embodiment 2
With reference to shown in Fig. 1 and Fig. 2, a kind of piston type vacuum coaxial valve using vacuum as power gas source, including electromagnetism valve portion
Divide and coaxial valve portion：Electromagnetism valve portion includes electromagnetic control apparatus；Coaxial valve portion is using vacuum as power source, including piston type
Valve element 11, cylinder barrel 10, left briquetting 4, right briquetting 19, left sealing block 5, right sealing block 16, sealing ring, seal valve seat 17.Wherein,
Piston valve core 11 is tubular, is sleeved in cylinder barrel 10 and can realize and moves back and forth；The two ends of cylinder barrel 10 are provided with
Sealing block, left and right each one, respectively left sealing block 5, right sealing block 16, sealing block be used for sealing piston formula valve element and cylinder barrel it
Between packaging clearance；Sealing block outer end is also equipped with briquetting, left and right each one, respectively left briquetting 4, right briquetting 19, for compressing
Sealing block；Seal valve seat 17 is also equipped with the port of export of piston valve core 11, for the port of sealing piston formula valve element 11；Electricity
Magnetic controller is connected by pipeline one end with the side wall of cylinder barrel 10, and the other end is connected with the briquetting outside seal valve seat.
Miscellaneous part 26S Proteasome Structure and Function be the same as Example 1, its difference is：In the present embodiment, seal valve seat 17 is circle
Offseted at pie, its section edges with the flanging end face of sealing block, there is circular elastic packing at round pie kernel of section
Pad 13, elastic sealing gasket 13 is annular shape, the section of its ring cross-section covering piston valve core port, and with piston valve core 11
The port of export constitute elastic packing.
Schematic diagram when Fig. 1 is coaxial valve opening, its principle is：When right briquetting 19 passes through pipeline with vavuum pump in figure
When being connected, and starting vavuum pump, negative pressure of vacuum is produced in right briquetting cavity, while two-bit triplet magnetic valve, which is in, opens shape
State, a mouthfuls of two-bit triplet magnetic valve is communicated with p mouthfuls, the negative pressure of vacuum in right briquetting cavity is transmitted by two-bit triplet magnetic valve
In the cavity for having valve core spring 9 to the left side of piston valve core 11, due to atmospheric pressure state is on the right side of piston valve core all the time,
And this left side cavity is under vacuum, both sides produce differential pressure, when the power produced by differential pressure is more than spring force, piston valve core
11 are moved to the left, so that the edge of a knife of piston valve core 11 leaves the rubber gasket 13 of seal valve seat 17, when being moved to the left to 4
The inner side step spacing place of left briquetting, piston valve core stops movement, so that coaxial valve is in open mode, in right side vacuum
Under effect, left side air-flow flows to vavuum pump by the circular hole in the middle of piston valve core, make pipeline that left briquetting 4 is connected or other
Cavity formation vacuum.
When two-bit triplet closed electromagnetic valve, two-bit triplet magnetic valve a is communicated with r, and a is obstructed with p, so that plunger valve
Cavity is communicated with air on the left of core, becomes atmospheric pressure.It reclaims Fig. 1 state again.
Schematic diagram when Fig. 1 is coaxial valve closed mode.Its principle is：When right briquetting 19 passes through pipeline with vavuum pump in figure
When being connected and starting vavuum pump, negative pressure of vacuum is produced in the right cavity of briquetting 19, while being closed when two-bit triplet magnetic valve is in
During state, negative pressure of vacuum, which can not be delivered to the left side of piston valve core 11, to be had in the cavity of 9 springs.Now two-bit triplet magnetic valve
Close, a mouthfuls communicate with r mouthfuls, and a mouthfuls obstructed with p mouthfuls, so that the left side cavity of piston valve core 11 is communicated with air, become air
Pressure, then makes the rubber of the sealing edge of a knife and seal valve seat 17 on the right side of piston valve core 11 by the spring force of valve core spring 9
Sealing gasket 13 is compressed, so that coaxial valve sealing is closed.
The piston type vacuum coaxial valve using vacuum as power gas source of the offer of the present invention, without external connection power source of the gas, with
Vacuum is power source, i.e. the open and close without powerful solenoid controlled coaxial valve, but with low power two
Three-way magnetic valve be controllable negative pressure of vacuum transmission whether, so as to realize the open and close of coaxial valve, consumption power is small, behaviour
Make convenient and swift.And according to vacuum pump flow rate size, can manufacture and design the vacuum coaxial valve of big flow, valve function not by
Influence is installed, is adapted to any angle and position is installed.The structure design of balanced type, gas or other media can two-way flow controls
System, regardless of shunt pressure and pressure difference factor, is particularly suitable for the Valve controlling of high vacuum or high pressure.
The preferred embodiments of the present invention have shown and described in described above, as previously described, it should be understood that not office of the invention
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in invention contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area
It is dynamic., then all should be appended by the present invention and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In scope of the claims.
Claims (10)
1. a kind of piston type vacuum coaxial valve using vacuum as power gas source, it is characterised in that：Including coaxial valve portion and electromagnetism
Valve portion, the coaxial valve portion using vacuum as power source, including piston valve core, cylinder barrel, briquetting, sealing block, sealing ring,
Seal valve seat, the electromagnetism valve portion includes electromagnetic control apparatus；The piston valve core is tubular, is sleeved in cylinder barrel simultaneously
And can move back and forth；The side wall of the cylinder barrel has passage, and the two ends of the cylinder barrel are provided with sealing block, for close
The packaging clearance sealed between piston valve core and cylinder barrel；The sealing block outer end is provided with briquetting, for compressing sealing block；
The port of export of the piston valve core is also equipped with seal valve seat, for the port of sealing piston formula valve element；The Electromagnetic Control
Device is connected by pipeline one end with cylinder barrel side wall, and the other end is connected with the briquetting outside seal valve seat；The sealing ring is located at
Contacting with each other on face between each part.
2. the piston type vacuum coaxial valve according to claim 1 using vacuum as power gas source, it is characterised in that：The work
The outer wall of plug valve element, which has, has annular ditch groove on circular step, the step, the annular ditch groove is embedded, and to be cased with piston close
Seal, the inwall of the piston packing and cylinder barrel is in sealing contact；Bullet is cased with the side wall of piston valve core entrance point
Spring, the spring one end is against on sealing block, and the other end is against on circular step side.
3. the piston type vacuum coaxial valve according to claim 2 using vacuum as power gas source, it is characterised in that：The gas
Cylinder barrel side wall has two passages, and two passages are respectively communicated with the space with piston valve core circular step both sides, wherein
The passage of entrance point is connected by pipeline with electromagnetic control apparatus, and the passage of the port of export is connected with air.
4. the piston type vacuum coaxial valve according to claim 2 using vacuum as power gas source, it is characterised in that：It is described close
Envelope block is middle porose round pie, and the outer wall of the cake has ring-shaped groove, and the groove is nested with flexible sealing ring,
The elastic seal ring is resilient contacting sealing with briquetting inwall；The inwall of the interstitial hole has ring-shaped groove, the groove
Flexible sealing ring is nested with, the sealing block is sleeved on the outer wall at the piston valve core two ends, the elastic seal ring
It is resilient contacting sealing with plunger valve outer core；The section of the sealing block and the port of cylinder barrel offset；The port of export it is close
Sealing the edge of block also has the flanging stretched out.
5. the piston type vacuum coaxial valve according to claim 4 using vacuum as power gas source, it is characterised in that：The pressure
Block, which is located inside the outside of the sealing block, the briquetting, has cylindrical fluid passage, has step, structure inside the briquetting
Into the cylindrical channel into 2-3 sections of different-diameters；The cylinder barrel, sealing block are sleeved in the barrel dliameter of briquetting；The import
The inner most step of briquetting at end and the port of piston valve core offset；The briquetting side wall of the port of export has stomata, passes through
Pipeline is connected with electromagnetic control apparatus；Fastening is bolted between the left and right briquetting block.
6. the piston type vacuum coaxial valve according to claim 4 using vacuum as power gas source, it is characterised in that：It is described close
Envelope valve seat is at round pie, its section edges and the flanging end face of sealing block offsets, and has circle at round pie kernel of section
Elastic sealing gasket, have a diameter larger than or equal to the diameter of piston valve core, and elasticity is constituted with the port of export of piston valve core
Sealing；Some through holes are also distributed with the seal valve seat at the outer rim of elastic sealing gasket.
7. the piston type vacuum coaxial valve according to claim 6 using vacuum as power gas source, it is characterised in that：The work
Plug cartridge outlet end is inner conical, and the edge of a knife is formed at the fascia edge of port, constitutes annular seal knife, the annular seal
Knife and the elastic sealing gasket in seal valve seat center offset and are resilient sealing.
8. the piston type vacuum coaxial valve according to claim 5 using vacuum as power gas source, it is characterised in that：The electricity
Magnetic controller includes：Two-bit triplet magnetic valve, magnetic valve spring, valve core of the electromagnetic valve；The two-bit triplet magnetic valve Single port
It is connected with air, Single port is connected with the passage at cylinder barrel entrance point end, the passage of the briquetting of one end and the port of export connects
It is logical.
9. the piston type vacuum coaxial valve according to claim 8 using vacuum as power gas source, it is characterised in that：It is described same
When axle valve is opened, the passage of the cylinder barrel port of export is connected by pipeline, two-bit triplet magnetic valve with the briquetting of the port of export；
When the coaxial valve is closed, the passage of the cylinder barrel entrance point passes through pipeline, two-bit triplet magnetic valve and atmosphere.
10. the piston type vacuum coaxial valve using vacuum as power gas source according to claim any one of 1-9, its feature exists
In：The fluid that the gas or other media possess in two-way flow control, entrance point pipeline is positive pressure or negative pressure of vacuum；
When the valve is closed, vacuum and positive pressure pressure can be born without leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493743.0A CN107084276B (en) | 2017-06-26 | 2017-06-26 | Piston type vacuum coaxial valve using vacuum as power air source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493743.0A CN107084276B (en) | 2017-06-26 | 2017-06-26 | Piston type vacuum coaxial valve using vacuum as power air source |
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| CN107084276A true CN107084276A (en) | 2017-08-22 |
| CN107084276B CN107084276B (en) | 2023-05-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848422A (en) * | 2019-11-27 | 2020-02-28 | 大连元利流体技术有限公司 | Four-way coaxial valve special for machine tool spindle inner cooling |
| CN111609177A (en) * | 2020-05-25 | 2020-09-01 | 劲旅环境科技股份有限公司 | High-pressure water valve and water path control system for washing and sweeping vehicle thereof |
| CN112283396A (en) * | 2020-10-28 | 2021-01-29 | 福建工程学院 | Liquid valve suitable for electrolyte |
| CN114811141A (en) * | 2022-04-21 | 2022-07-29 | 西安航天动力研究所 | Differential area method based cutting type gas explosion valve |
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| CN111609177A (en) * | 2020-05-25 | 2020-09-01 | 劲旅环境科技股份有限公司 | High-pressure water valve and water path control system for washing and sweeping vehicle thereof |
| CN112283396A (en) * | 2020-10-28 | 2021-01-29 | 福建工程学院 | Liquid valve suitable for electrolyte |
| CN114811141A (en) * | 2022-04-21 | 2022-07-29 | 西安航天动力研究所 | Differential area method based cutting type gas explosion valve |
| CN114811141B (en) * | 2022-04-21 | 2024-08-13 | 西安航天动力研究所 | Cut-break type gas explosion valve based on differential area method |
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