CN104763838B - Explosion-proof reversal valve - Google Patents
Explosion-proof reversal valve Download PDFInfo
- Publication number
- CN104763838B CN104763838B CN201510080938.3A CN201510080938A CN104763838B CN 104763838 B CN104763838 B CN 104763838B CN 201510080938 A CN201510080938 A CN 201510080938A CN 104763838 B CN104763838 B CN 104763838B
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- Prior art keywords
- valve
- explosion
- proof
- side plate
- casing
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Classifications
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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
- F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
- F16K31/423—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
- F16K31/426—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves the actuated valves being cylindrical sliding valves
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/048—Electromagnetically actuated valves
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K31/0603—Multiple-way valves
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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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of explosion-proof reversal valve，Including electromagnetic priority valve and reversal valve，Electromagnetic priority valve includes electric source connecting box and electromagnetic assembly，Reversal valve includes valve body and core assembly，Valve body is provided with fluid passage and commutation passage，Valve body is additionally provided with change-over panel and valve seat，Electromagnetic priority valve includes explosion-proof casing，Explosion-proof casing includes upper-lower casing and left side plate，Electromagnetic assembly is installed in the installation cavity being surrounded by upper-lower casing and right plate，Upper shell、Right plate and lower house are fixed by fastening bolt，The upper and lower end parts of left plate are respectively equipped with upper and lower side plate，The free end of this upper and lower side plate has supporting table terrace，Upper-lower casing has, towards the end of left plate, the extension board being posted by support step surface，The extension board of upper-lower casing is connected by trip bolt with the support step surface of upper and lower side plate，Electric source connecting box is installed on by left plate、In the accommodating chamber that up and down side plate and upper and lower extension board are surrounded.Flame proof effect of the present invention is good, long service life, easy to assembly.
Description
Technical field
The invention belongs to reversal valve technical field, especially a kind of explosion-proof reversal valve.
Background technology
Explosion-proof reversal valve of the prior art, including reversal valve and electromagnetic priority valve, reversal valve includes valve body, and valve body is provided with
Main valve plug and valve rod, the electromagnetic assembly in valve rod and electromagnetic priority valve is linked.During energising, electromagnetic priority valve relies on electromagnetic force
Lift valve rod, pilot valve mouth is opened, now electromagnetic valve epicoele passes through pilot hole release, form lowly high pressure around main valve plug
Difference, in the presence of pressure differential, Fluid pressure promotes main valve plug to move up and opens primary valve；During power-off, in spring force and
In the presence of main valve plug gravity, valve rod resets, and electromagnetic valve upper cavity pressure raises, and Fluid pressure promotes main valve plug to move down, main
Valve port is closed.Current explosion-proof reversal valve, it generally realizes explosion-proof by pouring type sealing, but due to pouring seal structure, prevents
Quick-fried coil makees overcurrent protection using traditional insurance silk, only protects once, leads to electric fuse to burn out, solenoid open circuit.Fusing
Device needs more emat coil after burning, the explosion-proof reversal valve of pouring type cannot more emat coil, therefore its service life is short.
Content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of explosion-proof reversal valve with flame proof effect, this is prevented
Quick-fried reversal valve plays flame proof effect by explosion-proof casing, and explosion-proof effect is good, and this explosion-proof reversal valve easy accessibility, is conveniently replaceable line
Circle, long service life.
To achieve these goals, the technical solution used in the present invention is：A kind of explosion-proof reversal valve, including electromagnetic priority valve
And reversal valve, electromagnetic priority valve includes electric source connecting box and electromagnetic assembly, and electromagnetic assembly includes static gag bit, solenoid and dynamic rank
Ferrum, moving armature is arranged with back-moving spring, and reversal valve includes valve body and core assembly, and valve body is provided with fluid passage, this fluid
Passage is provided with five commutation passages, valve body is additionally provided with change-over panel, this change-over panel is provided with conversion runner, and core assembly sets
Have black box, valve body be provided with valve seat it is characterised in that：Described electromagnetic priority valve includes explosion-proof casing, described power supply wiring
Box and electromagnetic assembly are installed in explosion-proof casing in tiled configuration, and described explosion-proof casing includes upper-lower casing and left side plate, right
Side plate is located between upper-lower casing, and described electromagnetic assembly is installed in the installation cavity being surrounded by upper-lower casing and right plate,
Upper shell is provided with the fastening bolt sequentially passing through upper shell, right plate and lower house, and the upper and lower end parts of described left plate set respectively
There is the side plate up and down extending towards electromagnetic assembly, the free end of this upper and lower side plate has supporting table terrace, described upper-lower casing direction
The end of left plate has the extension board being posted by support step surface, and the extension board of this upper-lower casing is neat with upper and lower side plate respectively
Flat, the extension board of upper-lower casing is connected by trip bolt with the support step surface of upper and lower side plate, and described electric source connecting box is installed
In the accommodating chamber being surrounded by left plate, upper and lower side plate and upper and lower extension board.
As the further setting of the present invention, described support step surface has indent fastening seat, and this fastening seat is towards fastening
The end face of screw is provided with the screw being adapted to trip bolt, forms clamping between the indent fastening seat of described upper and lower support step surface
Necking, this clamping necking forms location fit with electric source connecting box.
As the further setting of the present invention, described upper enclosure inner wall has the location hole being adapted to moving armature one end, institute
State lower house and be provided with the pilot valve mouth being available for that moving armature moves through along its axial reciprocating, at described pilot valve mouth, be provided with guide valve seat, should
Guide valve seat is provided with the centre bore with this pilot valve mouth UNICOM, is arranged with positioning sleeve outside guide valve seat, and the stud end of described fastening bolt is worn
Cross upper shell, right plate, after lower house with the cooperation of this positioning external threading, described back-moving spring is sheathed on moving armature and is located at guide valve seat
One end of centre bore.
As the further setting of the present invention, described valve seat is provided with the installing hole being adapted to guide valve seat, described installing hole court
It is extended with axis hole to one end of valve body, in this axis hole, is provided with the connecting rod being linked with moving armature, connecting rod one end has and is embedded at
Expansion section in moving armature, the connecting rod other end is connected with sealing gasket, and valve body is provided with insertion axis hole and is led to the UNICOM of fluid passage
Road, described sealing gasket is located at the joining place of communication passage and axis hole.
As the further setting of the present invention, described core assembly includes main valve plug, is equipped with valve rod, valve rod in main valve plug
One end is passed through regulation spring and is abutted with fluid passage inwall, and the valve rod other end is provided with slide core, and described fluid passage is provided with slide core
One end has the connector with communication passage UNICOM, described slide core outer peripheral face and the cooperation of fluid passage inner wall sealing.
As the further setting of the present invention, described slide core section is in laterally positioned T-type structure, and described valve stem end is opened
It is provided with the mounting groove with the cooperation of slide core horizontal part, the vertical portion outer peripheral sidewall of described slide core is embedded with y-type seal ring.
As the further setting of the present invention, described main valve plug is extended with prominent axle head towards one end of slide core, this axle
End periphery puts the valve body back-up ring that section is in wave meander line structure.
Using such scheme, present configuration is compact, small volume, easy to assembly, explosion-proof effect is good, long service life.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description
Accompanying drawing 1 is specific embodiment of the invention structure sectional view；
Accompanying drawing 2 is A-A structure of reversing valve sectional view in specific embodiment of the invention accompanying drawing 1；
Accompanying drawing 3 is specific embodiment of the invention core assembly and slide core structural representation；
Accompanying drawing 4 is the structure upward view of specific embodiment of the invention accompanying drawing 3；
Accompanying drawing 5 is the structure sectional view of specific embodiment of the invention change-over panel；
Accompanying drawing 6 is the structure top view of specific embodiment of the invention accompanying drawing 5；
Accompanying drawing 7 is the structure upward view of specific embodiment of the invention accompanying drawing 5；
Accompanying drawing 8 is the channel conductive structural representation that commutates during specific embodiment of the invention two-position three way；
Accompanying drawing 9 is the channel conductive structural representation that commutates during specific embodiment of the invention two-position five-way；
Reversal valve 1, valve body 11, fluid passage 111, first commutation passage B1, the second commutation passage B2, the 3rd commutation passage
B3, the 4th commutation passage B4, the 5th commutation passage B5, communication passage 113, core assembly 12, sealing ring 121, sealing gasket 122,
Main valve plug 123, axle head 1231, valve rod 124, regulation spring 125, slide core 126, horizontal part 1261, vertical portion 1262, the sealing of Y type
Circle 1263, valve body back-up ring 127,
Electromagnetic priority valve 2, electric source connecting box 21, power -line terminal 211, electromagnetic assembly 22, static gag bit 221, solenoid
222nd, moving armature 223, back-moving spring 224, explosion-proof casing 23, upper shell 231, location hole 2311, lower house 232, pilot valve mouth
2321st, left plate 233, right plate 234, fastening bolt 241, trip bolt 242, side plate 25, support step surface 251, fastening seat
252nd, clamp necking 253, extension board 26, installation cavity 271, accommodating chamber 272, guide valve seat 28, centre bore 281, step surface 282, determine
Position set 29, change-over panel 3, conversion runner 31, valve seat 4, installing hole 41, air vent 42, connecting rod 5, expansion section 51, sealing gasket 52.
Specific embodiment
The specific embodiment of the present invention is explosion-proof reversal valve 1 as shown in figs 1-9, including electromagnetic priority valve 2 and reversal valve 1,
Electromagnetic priority valve 2 includes electric source connecting box 21 and electromagnetic assembly 22, and electromagnetic assembly 22 includes static gag bit 221, solenoid 222 and
Moving armature 223, moving armature 223 is arranged with back-moving spring 224, and reversal valve 1 includes valve body 11 and core assembly 12, on valve body 11
It is provided with fluid passage 111, this fluid passage 111 is provided with five commutation passages, respectively first, second, third, fourth, the
Five commutation passage B1, B2, B3, B4, B5, this valve body 11 are additionally provided with so that valve body 11 turns between two-position three way and two-position five-way
The change-over panel 3 changing, change-over panel 3 is provided with conversion runner, and core assembly 12 is provided with sealing ring 121 and sealing gasket 122, valve body 11
It is provided with valve seat 4, electromagnetic priority valve 2 includes explosion-proof casing 23, and electric source connecting box 21 and electromagnetic assembly 22 are in that tiled configuration is installed
In explosion-proof casing 23, electric source connecting box 21 includes the power -line terminal 211 being connected with external power supply, this power -line terminal 211
It is connected with electromagnetic assembly 22 by wire, electric source connecting box 21 is arranged on the left side of explosion-proof casing 23, electromagnetic assembly 22 is arranged on
On the right side of explosion-proof casing 23, explosion-proof casing 23 includes upper-lower casing 231,232 and left side plate 233,234, and right plate 234 is located at upper
Between lower house 231,232, electromagnetic assembly 22 is installed on the installation being surrounded by upper-lower casing 231,232 and right plate 234
In chamber 271, upper shell 231 is provided with the fastening bolt 241 sequentially passing through upper shell 231, right plate 234 and lower house 232, left side
The upper and lower end parts of plate 233 are respectively equipped with side plate 25 up and down extending towards electromagnetic assembly 22, and the free end of this upper and lower side plate 25 has
Support step surface 251, upper-lower casing 231,232 has and is posted by prolonging on support step surface 251 towards the end of left plate 233
Stretch plate 26, the extension board 26 of this upper-lower casing 231,232 is flushed with upper and lower side plate 25 respectively, the extension of upper-lower casing 231,232
Plate 26 is connected by trip bolt 242 with the support step surface 251 of upper and lower side plate 25, and electric source connecting box 21 is installed on by left plate
233rd, in the accommodating chamber 272 that upper and lower side plate 25 and upper and lower extension board 26 are surrounded.Above-mentioned explosion-proof casing 23 is easy to assembly, and shape
Power supply source rosette 21 and electromagnetic assembly 22 accommodate respectively to become left and right two installation cavity 271,272, and Structural assignments are clearly orderly,
It is easy to assemble.
Above-mentioned support step surface 251 has indent fastening seat 252, and this fastening seat 252 sets towards the end face of trip bolt 242
There is the screw being adapted to trip bolt 242, between the indent fastening seat 252 of upper and lower support step surface 251, form clamping necking
253, this clamping necking 253 and electric source connecting box 21 form location fit, and above-mentioned two support step surface 251 plays fastening effect
While, increase the intensity to increase junction for the thickness of local, additionally, its clamping necking 253 also acts as locating effect.
Above-mentioned upper shell 231 inwall has the location hole 2311 being adapted to moving armature 223 one end, and lower house 232 is provided with can
The pilot valve mouth 2321 moving through along its axial reciprocating for moving armature 223, is provided with guide valve seat 28 at pilot valve mouth 2321, this guide valve seat
28 are provided with the centre bore 281 with this pilot valve mouth 2321 UNICOM, are arranged with positioning sleeve 29, guide valve seat 28 outer wall has outside guide valve seat 28
Step surface 282, positioning sleeve 29 is arranged on step surface 282 and fixing by fastening bolt 241, the stud end of fastening bolt 241
Coordinate with this positioning sleeve 29 screw thread through after upper shell 231, right plate 234, lower house 232, back-moving spring 224 is sheathed on dynamic rank
Ferrum 223 is located at one end of guide valve seat 28 centre bore 281.
Above-mentioned valve seat 4 is provided with the installing hole 41 being adapted to guide valve seat 28, and installing hole 41 is extended with towards one end of valve body 11
Axis hole, is provided with the connecting rod 5 being linked with moving armature 223 in this axis hole, connecting rod 5 one end has and is embedded in moving armature 223
Expansion section 51, connecting rod 5 other end is connected with sealing gasket 52, and valve body 11 is provided with insertion axis hole and is led to the UNICOM of fluid passage 111
Road 113, sealing gasket 52 is located at the joining place of communication passage 113 and axis hole.Air vent 42, air vent 42 are additionally provided with this valve seat 4
Identical with communication passage 113 entrance, this communication passage 113 arrival end is coordinated with above-mentioned sealing gasket 52 sealing, by electromagnetic assembly
22 energising drive links 5 drive sealing gaskets 52 to move up and down conducting or the sealing realizing air vent 42 and communication passage 113 so that
Air-flow enters valve body 11 and promotes main valve plug 23 mobile or from air vent 42 aerofluxuss, and during power-off, then sealing gasket 52 and main valve plug 23 are multiple
Position.
Above-mentioned core assembly 12 includes main valve plug 123, is equipped with valve rod 124 in main valve plug 123, and valve rod 124 one end is passed through
Adjust spring 125 to abut with fluid passage 111 inwall, valve rod 124 other end is provided with slide core 126, and fluid passage 111 is provided with slide core
126 one end has the connector with communication passage 113 UNICOM, and slide core 126 outer peripheral face is joined with fluid passage 111 inner wall sealing
Close.
Above-mentioned slide core 126 section is in laterally positioned T-type structure, and valve rod 124 end offers and slide core 126 horizontal part
The mounting groove of 1261 cooperations, vertical portion 1262 outer peripheral sidewall of slide core 126 is embedded with y-type seal ring 1263.
Above-mentioned main valve plug 123 is extended with prominent axle head 1231 towards one end of slide core 126, and this axle head 1231 periphery puts
There is the valve body back-up ring 127 that section is in wave meander line structure.
The explosion-proof reversal valve of the present invention, has flame proof effect, and more preferably, service life is longer for explosion-proof effect, and this housing dress
Formula is just.This explosion-proof reversal valve passes through to adjust the function that change-over panel 3 can realize two-position three way and two-position five-way.Reversal valve 1 leads to
Cross connecting rod 5 to be linked with moving armature 223, when energized, electromagnetic assembly 22 energising drives armature 223 drivening rod 5 lower section
Move so that the air vent being arranged on valve seat 4 can be with aerofluxuss on sealing gasket 52, air-flow enters fluid passage by communication passage
111 promotion slide cores 126 move to right and then promote main valve plug 123 to move to right so that passage B1, B2, B3, B4, B5 conducting that commutates is given vent to anger；Disconnected
When electric, adjust spring 125 and promote main valve plug 123 to reset.
The present invention is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to disclosed by the invention interior
Hold, the present invention can be implemented using other multiple specific embodiments, or the design structure of every employing present invention and think of
Road, does simple change or change, both falls within protection scope of the present invention.
Claims (6)
1. a kind of explosion-proof reversal valve, including electromagnetic priority valve and reversal valve, electromagnetic priority valve includes electric source connecting box and electromagnetism group
Part, electromagnetic assembly includes static gag bit, solenoid and moving armature, and moving armature is arranged with back-moving spring, and reversal valve includes valve body
And core assembly, valve body is provided with fluid passage, and this fluid passage is provided with five commutation passages, and valve body is additionally provided with conversion
Plate, this change-over panel is provided with conversion runner, and core assembly is provided with black box, valve body be provided with valve seat it is characterised in that：Institute
State electromagnetic priority valve and include explosion-proof casing, described electric source connecting box and electromagnetic assembly are installed in explosion-proof casing in tiled configuration,
Described explosion-proof casing includes upper-lower casing and left side plate, and right plate is located between upper-lower casing, and described electromagnetic assembly is installed on
In the installation cavity being surrounded by upper-lower casing and right plate, upper shell is provided with and sequentially passes through upper shell, right plate and lower house
Fastening bolt, the upper and lower end parts of described left plate are respectively equipped with the side plate up and down extending towards electromagnetic assembly, this upper and lower side plate
Free end has supporting table terrace, and described upper-lower casing has, towards the end of left plate, the extension being posted by support step surface
Plate, the extension board of this upper-lower casing is flushed with upper and lower side plate respectively, the support step of the extension board of upper-lower casing and upper and lower side plate
Face is connected by trip bolt, and described electric source connecting box is installed on and is surrounded by left plate, upper and lower side plate and upper and lower extension board
Accommodating chamber in；Described valve seat is provided with the installing hole being adapted to guide valve seat, and described installing hole is extended with axle towards one end of valve body
Hole, is provided with the connecting rod being linked with moving armature in this axis hole, connecting rod one end has the expansion section being embedded in moving armature, connecting rod
The other end is connected with sealing gasket, and valve body is provided with the communication passage of insertion axis hole and fluid passage, and described sealing gasket is located at UNICOM
Passage and the joining place of axis hole.
2. explosion-proof reversal valve according to claim 1 it is characterised in that：Described support step surface has indent fastening seat,
This fastening seat is provided with, towards the end face of trip bolt, the screw being adapted to trip bolt, and the indent of described upper and lower support step surface is tight
Gu forming clamping necking between seat, this clamping necking forms location fit with electric source connecting box.
3. explosion-proof reversal valve according to claim 1 it is characterised in that：Described upper enclosure inner wall has and moving armature one end
The location hole of adaptation, described lower house is provided with the pilot valve mouth being available for that moving armature moves through along its axial reciprocating, described pilot valve mouth
Place is provided with guide valve seat, and this guide valve seat is provided with the centre bore with this pilot valve mouth UNICOM, is arranged with positioning sleeve outside guide valve seat, described fastening
The stud end of bolt is coordinated with this positioning external threading after passing through upper shell, right plate, lower house, and described back-moving spring is sheathed on dynamic
Armature is located at one end of guide valve seat centre bore.
4. the explosion-proof reversal valve according to claim 1 any one it is characterised in that：Described core assembly includes main valve
Core, is equipped with valve rod in main valve plug, valve rod one end is passed through regulation spring and abutted with fluid passage inwall, and the valve rod other end is provided with cunning
Core, one end that described fluid passage is provided with slide core has connector, described slide core outer peripheral face and fluid with communication passage UNICOM
Vias inner walls sealing cooperation.
5. explosion-proof reversal valve according to claim 4 it is characterised in that：Described slide core section is in laterally positioned T junction
Structure, described valve stem end offers the mounting groove with the cooperation of slide core horizontal part, and the vertical portion outer peripheral sidewall of described slide core is embedded with Y
Type sealing ring.
6. explosion-proof reversal valve according to claim 5 it is characterised in that：Described main valve plug is extended with towards one end of slide core
Prominent axle head, this axle head periphery puts the valve body back-up ring that section is in wave meander line structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080938.3A CN104763838B (en) | 2015-02-15 | 2015-02-15 | Explosion-proof reversal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080938.3A CN104763838B (en) | 2015-02-15 | 2015-02-15 | Explosion-proof reversal valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763838A CN104763838A (en) | 2015-07-08 |
| CN104763838B true CN104763838B (en) | 2017-03-08 |
Family
ID=53645850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510080938.3A Active CN104763838B (en) | 2015-02-15 | 2015-02-15 | Explosion-proof reversal valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN104763838B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895135B (en) * | 2020-09-07 | 2022-05-03 | 徐州徐工液压件有限公司 | Oil port switching structure of two-position five-way valve |
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| CN104344015A (en) * | 2013-07-30 | 2015-02-11 | 毛孟其 | Electromagnetic valve |
| CN203395334U (en) * | 2013-08-06 | 2014-01-15 | 上海国逸气动成套厂有限公司 | Two-position three-way pilot type double-control anti-explosion electromagnetic head |
| CN103604893A (en) * | 2013-10-29 | 2014-02-26 | 徐继承 | Two-position five-way positive and negative pressure reversing valve-possessed sample introduction evaporator for examination |
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| Publication number | Publication date |
|---|---|
| CN104763838A (en) | 2015-07-08 |
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