CN106122505A - Double gas share plug valve - Google Patents
Double gas share plug valve Download PDFInfo
- Publication number
- CN106122505A CN106122505A CN201610791178.1A CN201610791178A CN106122505A CN 106122505 A CN106122505 A CN 106122505A CN 201610791178 A CN201610791178 A CN 201610791178A CN 106122505 A CN106122505 A CN 106122505A
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- Prior art keywords
- spool
- hole
- valve
- passages
- pin
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in means
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0214—Plug channel at 90 degrees to the inlet
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
- F16K5/103—Means for additional adjustment of the rate of flow specially adapted for gas valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
A kind of double gas shares plug valve, it includes the valve body (1) being provided with inlet channel (1a) and outlet passageway (1b), the cock (2) being rotatably connected in valve body (1), the valve gap (3) being fixed on valve body (1) end and the valve rod (4) being rotatably connected on valve gap (3), the outer peripheral face of spool (8) is provided with four passages being evenly distributed, and four passages all connect with counterbore (9), be provided with between spool (8) and cock (2) limit spool (8) can only back and forth 180 ° rotate position-limit mechanism；When spool (8) is positioned at initial restraining position, two passages in four passages connect with two air inlets (7) respectively, when spool (8) rotation 180 ° is to another restraining position, the another two passage in four passages connects with two air inlets (7) respectively；Compared with prior art, the present invention have that volume is relatively small, stability in use preferably, service life is longer, ease of use is preferable and the preferable feature of safety in utilization.
Description
Technical field
The present invention relates to a kind of gas valve, particularly a kind of double gas share plug valve.
Background technology
Plug valve is closure member or the rotary valve of plunger shape, makes the passway on valve plug and the passage on valve body by rotation
Mouth communicates or separates, it is achieved a kind of valve being turned on and off.The shape of the valve plug of plug valve can become cylindrical or conical.Rotation
Plug valve is the straight-through valve of a kind of high-speed switch, owing to moving with wiping action between rotary seal face, and can be complete when standard-sized sheet
Entirely prevent and the contacting of flow media, therefore it generally can be used for the medium of band particle.Another important spy of plug valve
Property is that it is readily adapted to accommodate multi-channel structure, so that a valve can obtain two, three, and even four different runners.
Through commonly used rotary gas valve in domestic gas equipment, this valve controls gas source for manual operation
Switching supply；In prior art, conventional plug valve generally comprises the valve body being provided with inlet channel and outlet passageway, in valve body
Be provided with the taper hole communicated respectively with inlet channel, outlet passageway, be provided with in taper hole with taper hole fitted seal assembling cut
Cone-shaped spool, spool side face is provided with multiple different size of air inlet communicated with inlet channel, and valve body one end is installed
There are valve gap and the valve rod rotated for rotary spool, during use, adjust the various inlet hole on spool and valve by rotary valve rod
On body inlet channel connection, with adjust gas supply amount reach control gas-fired equipment intensity of a fire size purpose.
At present, multiple different gas energy is all used widely, such as natural gas and propane flammable gas etc., different combustion gas energy
The combustion characteristics in source is different, and it is different that this allows for the in use required gas flow of gas utensil, needs to set on spool
Put different size of air inlet and control the flow of corresponding source of the gas, when user needs to switch different types of gas under special circumstances
When source uses, it is necessary to control plug valve switches out different size of air inlet and carries out adaptive output source of the gas.
Correlation technique exists and a kind of can switch the plug valve of use in two kinds of sources of the gas (such as Publication No.
CN105351556A, entitled pair of gas shares plug valve), arrange in one end of the close spool (cock of corresponding the application) of valve rod
There is alignment pin, the inner chamber of valve gap is provided with the step for stopping alignment pin at multiple interval, is made by rotary valve rod
Alignment pin is positioned at different steps, so that various sizes of air inlet connects with inlet channel on spool, and this cock
Being additionally provided with an adjustable limiting bar in valve, adjustable limiting bar is between the step in two kinds of air-source inflow holes of switching, by inserting
Or extract adjustable limiting bar and stop or avoid alignment pin, reach to switch the purpose being suitable for air inlet of corresponding source of the gas；But, on
The adjustable side stating adjustable limiting bar in plug valve is exposed outside, and this dust resulting in the external world and greasy dirt are easily caused adjustable
The situation causing spool to stick in gag lever post regulation is malfunctioning, and dust or greasy dirt enter into valve body or to block occurs, and uses steady
Qualitative poor, service life is shorter；And also need to only remove original nozzle after regulation gag lever post is adjusted to natural gas
Leaving nozzle carrier, this is accomplished by remove nozzle by after valve body integral demounting, it is necessary to professional just can complete so that gas
The regulation in source is cumbersome, and ease of use is poor.
Summary of the invention
The present invention is directed to problem above provide that a kind of volume is relatively small, stability in use preferably, service life longer and
The most double gas of ease of use shares plug valve.
The present invention solves the technical scheme used by problem above: provide a kind of double gas with following structure to share cock
Valve, it includes being provided with inlet channel and the valve body of outlet passageway, the cock being rotatably connected in valve body, being fixed on valve end
Valve gap and the valve rod that is rotatably connected on valve gap, one end of described valve rod in valve body and and cock between mutual circumference
Spacing, the other end of valve rod is positioned at the outside of valve body, and described valve rod is provided with axial adjustment hole, described cock be provided with axial in
Central hole, one end of described centre bore connects with outlet passageway, and one end of described adjustment hole connects with the other end of centre bore, regulation
The other end in hole connects with outside, and the outer peripheral face of described cock is provided with two air inlets connected with centre bore, and two are entered
The axis of pore is mutually perpendicular to, and is rotatably connected to spool in described centre bore, and one end end face of the nearly outlet passageway of described spool sets
Having counterbore, the outer peripheral face of spool is provided with four passages being evenly distributed, and four passages all connect with counterbore, described valve
Be provided with between core and cock limit spool can only back and forth 180 ° rotate position-limit mechanism, described position-limit mechanism limit axial to spool
Position, is provided with sealing mechanism, and one end end face of the nearly valve rod of spool sets between one end and the centre bore hole wall of the nearly valve rod of described spool
There is regulating tank；When spool is positioned at initial restraining position, two passages in four passages connect with two air inlets respectively,
When valve core rotation 180 ° is to another restraining position, the another two passage in four passages connects with two air inlets respectively.
After using above structure, compared with prior art, due to the fact that by arranging a spool inside cock again
Solve the problem that the large and small fire after source of the gas is changed controls, and the corresponding different size passage of different source of the gas, the most not
Share again, the most do not remove nozzle, change source of the gas when eliminating original shared passage and be accomplished by nozzle being removed or installing
Problem, ease of use is higher, it is not necessary to professional and technical personnel can realize the switching of different source of the gas, and operability is the most relatively
By force；And when regulating, owing to valve rod is all socketed with knob during usually using, after needing push-turn key, pass through work again
Have the adjustment hole from valve rod and extend into what spool regulating tank was adjusted, then extraneous environment cannot affect and cause spool, also
The dust and the greasy dirt that the most there is not the external world are easily accessible governor motion and cause regulating malfunctioning, and dust or greasy dirt enter in valve body
And the situation causing spool to stick or blocking, stability in use is preferable, and service life is the longest, be not easy to occur by child or
The situation of other people mistuning joint, safety in utilization is preferable；Furthermore other governor motion is no longer set on valve body, is also no need for staying
Go out unnecessary position, and then the overall volume of valve body can be reduced, save raw material, thus reduce production cost.Therefore this
Bright have that volume is relatively small, stability in use preferably, service life is longer, ease of use is preferable and safety in utilization is preferable
Feature.
As improvement, described position-limit mechanism includes that pin, described centre bore hole wall are provided with installing hole, and installing hole is logical
Hole, described spool outer peripheral face is provided with the stopper slot spacing to spool with bayonet fittings, and described stopper slot is on spool outer peripheral face edge
Axially extending, described pin one end is positioned in installing hole, and the pin other end is positioned in stopper slot, and spool is from the limited groove of pin one
End restraining position turns to pin limited groove other end restraining position and is just 180 °；The most this position-limit mechanism parts are relatively
Few, simple in construction, preparation cost is relatively low, and also allows for workman's installation, so that the present invention is easier to preparation, cost is relatively low.
As improving further, described stopper slot is positioned at one end of the nearly outlet passageway of spool outer peripheral face, and stopper slot is with heavy
Hole connects；After the most so arranging, passage and sealing mechanism can be avoided, it is simple to processing, the most not affect spool entirety simultaneously
Intensity.
As further improving, described installing hole is provided with chamfering away from the hole wall of spool one end, and described pin is bullet
Property straight pin；After the most so arranging, it is not necessary to tapping, elastic cylindrical pin just can with relative stability with installing hole close-fitting
Close, install the most more convenient, and then reduce the production cost of the present invention.
As further improving, described sealing mechanism includes sealing ring, on the outer peripheral face of described spool nearly valve rod one end
Being provided with the indent of annular, described sealing ring is positioned at indent；The most this sealing mechanism parts are relatively fewer, and simple in construction,
It is easy to assemble, it is possible to decrease production cost, sealing effectiveness is preferable.
As further improving, described four passages are divided into NG high position hole, NG low level hole, LP high position hole and LP low level
Hole, the axis in described NG high position hole and the axis in LP high position hole on the same line, and the axis in NG low level hole and LP low level hole
Axis on the same line；If during initial position, NG high position hole connects with two air inlets respectively with NG low level hole, rotates
When spool 180 ° is to restraining position, now LP high position hole connects with two air inlets respectively with LP low level hole；Said two air inlet
Cambered surface between hole is less than the inlet channel opening at valve interior wall；After the most so arranging so that regulate simpler, and two
Cambered surface between air inlet is less than inlet channel after the opening of valve interior wall is arranged, and this just can be during the regulation of large and small fire
Ensureing not have the situation of cutoff, flame seriality is preferable, thus ensures to cook effect, thus the use improving the present invention is steady
Qualitative and reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation that the double gas of the present invention shares plug valve.
Fig. 2 is the structural representation that the double gas of the present invention shares plug valve cock.
Fig. 3 is the sectional view of line A-A along Fig. 2.
Fig. 4 is the present invention double gas valve body when sharing plug valve LP source of the gas state, position each other between cock and spool
Structural representation.
Fig. 5 is the present invention double gas valve body when sharing plug valve NG source of the gas state, position each other between cock and spool
Structural representation.
Fig. 6 is the present invention double gas valve body when sharing plug valve LP source of the gas state big fire, between cock and spool each other
The structural representation of position.
Fig. 7 is the present invention double gas valve body when sharing the little fire of plug valve LP source of the gas state, between cock and spool each other
The structural representation of position.
Fig. 8 is the present invention double gas valve body when sharing plug valve NG source of the gas state big fire, between cock and spool each other
The structural representation of position.
Fig. 9 is the present invention double gas valve body when sharing the little fire of plug valve NG source of the gas state, between cock and spool each other
The structural representation of position.
As shown in the figure: 1, valve body, 1a, inlet channel, 1b, outlet passageway, 2, cock, 3, valve gap, 4, valve rod, 5, regulation
Hole, 6, centre bore, 7, air inlet, 8, spool, 8a, NG high position hole, 8b, NG low level hole, 8c, LP high position hole, 8d, LP low level hole,
9, counterbore, 10, regulating tank, 11, pin, 12, installing hole, 13, stopper slot, 14, sealing ring, 15, indent.
NG is the english abbreviation of natural gas-Natural Gas.
LP is the english abbreviation of liquefied gas oil gas-LiquefiedPetroleum Gas.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Fig. 1～9, a kind of double gas share plug valve, and it includes being provided with inlet channel 1a's and outlet passageway 1b
Valve body 1, the cock 2 being rotatably connected in valve body 1, it is fixed on the valve gap 3 of valve body 1 end and is rotatably connected on valve gap 3
Valve rod 4 (the most also include other parts, but owing to being not directed to the inventive point of the invention, therefore do not repeat them here), institute
State one end of valve rod 4 in valve body 1 and and cock 2 between mutually circumference spacing, the other end of valve rod 4 is positioned at outside valve body 1
Side, the other end of valve rod 4 for and knob grafting, described valve rod 4 is provided with axial adjustment hole 5, through hole centered by adjustment hole 5,
Described cock 2 is provided with axial centre bore 6, and one end of described centre bore 6 connects with outlet passageway 1b, the one of described adjustment hole 5
End connects with the other end of centre bore 6, and the other end of adjustment hole 5 connects with outside, and the outer peripheral face of described cock 2 is provided with two
The air inlet 7 connected with centre bore 6, and the axis of two air inlets 7 is mutually perpendicular to, two air inlets 7 equivalently-sized, described
Being rotatably connected to spool 8 in centre bore 6, one end end face of the described nearly outlet passageway 1b of spool 8 is provided with counterbore 9, the periphery of spool 8
Face is provided with four passages being evenly distributed, and four passages all connect with counterbore 9, set between described spool 8 and cock 2
Restricted spool 8 can only back and forth 180 ° rotate position-limit mechanism, position-limit mechanism makes spool 8 can only carry out back rotation 180 °, described
Position-limit mechanism, to spool 8 axial limiting, is provided with sealing mechanism between one end and centre bore 6 hole wall of the described nearly valve rod 4 of spool 8,
And one end end face of the nearly valve rod 4 of spool 8 is provided with regulating tank 10, regulating tank 10 is flat recess (alternatively cross recess or interior hex slot
Deng)；When spool 8 is positioned at initial restraining position, two passages in four passages connect with two air inlets 7 respectively,
When spool 8 rotate 180 ° to another restraining position time, the another two passage in four passages is respectively with two air inlets 7 even
Logical.
Described position-limit mechanism includes that pin 11, described centre bore 6 hole wall are provided with installing hole 12, and installing hole 12 is through hole,
Described spool 8 outer peripheral face is provided with and coordinates the stopper slot 13 spacing to spool 8 with pin 11, it is possible to be interpreted as that spool 8 is provided with heavy
One end outer peripheral face in hole 9 is provided with and coordinates the stopper slot 13 spacing to spool 8 with pin 11, and stopper slot 13 connects with counterbore 9, institute
Stating stopper slot 13 at spool 8 outer peripheral face circumferentially, described pin 11 one end is positioned in installing hole 12, i.e. pin 11 one end end
Portion is positioned in installing hole 12 (alternatively pin one end end face is concordant with cock outer peripheral face), pin 11 one end and installing hole 12 interference
Coordinating (be used as sunk screw as pin, now installing hole needs tapping thread), pin 11 other end is positioned at stopper slot
In 13, spool 8 turns to pin 11 limited groove 13 other end restraining position from pin 11 limited groove 13 one end restraining position
Time spool 8 just have rotated 180 °.
Described stopper slot 13 is positioned at one end of spool 8 outer peripheral face nearly outlet passageway 1b, and stopper slot 13 connects with counterbore 9.
Described installing hole 12 is provided with chamfering away from the hole wall of spool 8 one end, and described pin 11 is elastic cylindrical pin, elastic
The external diameter of straight pin is more than the aperture of installing hole 12.
Described sealing mechanism includes that sealing ring 14, sealing ring 14 are O, the outer peripheral face of described nearly valve rod 4 one end of spool 8
Being provided with the indent 15 of annular, described sealing ring 14 is positioned at indent 15, and the external diameter of sealing ring 14 is more than the external diameter of spool 8, and
The internal diameter of sealing ring 14 is less than the external diameter of spool 8, and the internal diameter of general sealing ring 14 is equal to the internal diameter of indent 15.
Described four passages are divided into 8a, NG low level hole, NG high position hole 8b, LP high position hole 8c and LP low level hole 8d, described NG
With the axis of LP high position hole 8c on the same line, and the axis of NG low level hole 8b is with LP low level hole 8d's for the axis of high-order hole 8a
Axis is on the same line；If during initial position, NG high position hole 8a and NG low level hole 8b connects with two air inlets 7 respectively,
Spool 8 rotate 180 ° to restraining position time, now 8c and LP low level hole 8d in LP high position hole connects with two air inlets 7 respectively；Institute
State the cambered surface between two air inlets 7 and be less than the inlet channel 1a opening at valve body 1 inwall, cambered surface between i.e. two air inlets 7
When being centrally located on the axis extended line of inlet channel 1a, the gas in inlet channel 1a can enter into two air inlets 7
In.
During assembling, first sealing ring 14 is encased in indent 15, subsequently by spool 8 from one end of centre bore 6 is tucked into
Until stopper slot 13 is directed at installing hole 12 in central hole 6, then from the outside of installing hole 12, pin 11 is inserted into installing hole 12
In until one end of pin 11 is positioned at stopper slot 13, and the other end of pin 11 is completely in installing hole 12, remaining peace
Fill the most same as the prior art.
During use, according to the position of source of the gas different choice spool 8, if use NG as source of the gas, first by valve rod 4
Knob takes off, and is then extend in adjustment hole 5 by instrument until regulating tank 10 is inserted, then by spool 8 turns in the end of instrument
Move the state that NG high position hole 8a and NG low level hole 8b connects with two air inlets 7 respectively, finally take out instrument and reload
Knob gets final product (as shown in Figure 5)；If need LP as source of the gas, first the knob on valve rod 4 is taken off, then stretched by instrument
Enter in adjustment hole 5 until regulating tank 10 is inserted in the end of instrument, then spool 8 is turned to LP high position hole 8c and LP low level hole
The state that 8d connects with two air inlets 7 respectively, finally take out instrument and reload knob can (as shown in Figure 4).So
Position according to source of the gas regulation spool 8, it is not necessary to again nozzle is dismounted.Remaining using method all with prior art phase
With.
Above example is only presently preferred embodiments of the present invention, and the present invention is not limited only to above example and also allows for other
Structure change, all in rights to independence claimed range of the present invention change, all belong to scope.
Claims (6)
1. double gas share a plug valve, and it includes being provided with the valve body (1) of inlet channel (1a) and outlet passageway (1b), rotating
The cock (2), the valve gap (3) being fixed on valve body (1) end that are connected in valve body (1) and be rotatably connected on valve gap (3)
Valve rod (4), one end of described valve rod (4) be positioned at valve body (1) and and cock (2) between mutually circumference spacing, valve rod (4) another
One end is positioned at the outside of valve body (1), it is characterised in that: described valve rod (4) is provided with axial adjustment hole (5), and described cock (2) sets
Having axial centre bore (6), one end of described centre bore (6) connects with outlet passageway (1b), one end of described adjustment hole (5) with
The other end connection of centre bore (6), the other end of adjustment hole (5) connects with outside, and the outer peripheral face of described cock (2) is provided with two
The individual air inlet (7) connected with centre bore (6), and the axis of two air inlets (7) is mutually perpendicular to, and turns in described centre bore (6)
Be dynamically connected spool (8), and one end end face of the nearly outlet passageway (1b) of described spool (8) is provided with counterbore (9), the periphery of spool (8)
Face is provided with four passages being evenly distributed, and four passages all connect with counterbore (9), described spool (8) and cock (2)
Between be provided with limit spool (8) can only back and forth 180 ° rotate position-limit mechanism, described position-limit mechanism to spool (8) axial limiting,
Sealing mechanism, and the nearly valve rod (4) of spool (8) it is provided with between one end and centre bore (6) hole wall of the nearly valve rod (4) of described spool (8)
One end end face be provided with regulating tank (10)；When spool (8) is positioned at initial restraining position, two passages in four passages divide
Not connecting with two air inlets (7), when spool (8) rotation 180 ° is to another restraining position, the another two in four passages is led to
Pore connects with two air inlets (7) respectively.
The most according to claim 1 pair of gas shares plug valve, it is characterised in that: described position-limit mechanism includes pin (11),
Described centre bore (6) hole wall is provided with installing hole (12), and installing hole (12) is through hole, described spool (8) outer peripheral face be provided with
Pin (11) coordinates the stopper slot (13) spacing to spool (8), and described stopper slot (13) circumferentially prolongs at spool (8) outer peripheral face
Stretching, described pin (11) one end is positioned in installing hole (12), and pin (11) other end is positioned in stopper slot (13), spool (8) from
Pin (11) limited groove (13) one end restraining position turns to pin (11) limited groove (13) other end restraining position just
It it is 180 °.
The most according to claim 2 pair of gas shares plug valve, it is characterised in that: described stopper slot (13) is positioned at spool (8)
One end of the nearly outlet passageway of outer peripheral face (1b), and stopper slot (13) connects with counterbore (9).
The most according to claim 2 pair of gas shares plug valve, it is characterised in that: described installing hole (12) is away from spool (8)
The hole wall of one end is provided with chamfering, and described pin (11) is elastic cylindrical pin.
The most according to claim 1 pair of gas shares plug valve, it is characterised in that: described sealing mechanism includes sealing ring
(14), the outer peripheral face of nearly valve rod (4) one end of described spool (8) is provided with the indent (15) of annular, and described sealing ring (14) is positioned at
In indent (15).
The most according to claim 1 pair of gas shares plug valve, it is characterised in that: described four passages are divided into NG high position hole
(8a), NG low level hole (8b), LP high position hole (8c) and LP low level hole (8d), the axis of described NG high position hole (8a) and LP high position hole
(8c) on the same line, and the axis in the axis in NG low level hole (8b) and LP low level hole (8d) is on the same line for axis；
If during initial position, NG high position hole (8a) connects with two air inlets (7) respectively with NG low level hole (8b), and spool (8) rotates
180 ° to restraining position time, now LP high position hole (8c) connects with two air inlets (7) respectively with LP low level hole (8d)；Described two
Cambered surface between individual air inlet (7) is less than the inlet channel (1a) opening at valve body (1) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791178.1A CN106122505B (en) | 2016-08-31 | 2016-08-31 | Double gas share plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791178.1A CN106122505B (en) | 2016-08-31 | 2016-08-31 | Double gas share plug valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122505A true CN106122505A (en) | 2016-11-16 |
| CN106122505B CN106122505B (en) | 2018-03-20 |
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ID=57270981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610791178.1A Active CN106122505B (en) | 2016-08-31 | 2016-08-31 | Double gas share plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122505B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408251A (en) * | 2008-11-13 | 2009-04-15 | 李雪亚 | Improvement of cock valve with two air sources capable of being interchanged |
| US20140345704A1 (en) * | 2013-05-22 | 2014-11-27 | W.C. Bradley Co. | Gas valve with multi-fuel capability |
| CN105351556A (en) * | 2015-11-25 | 2016-02-24 | 宁波万安股份有限公司 | Double-gas sharing plug valve |
| CN206072394U (en) * | 2016-08-31 | 2017-04-05 | 宁波万安股份有限公司 | Double gas share plug valve |
-
2016
- 2016-08-31 CN CN201610791178.1A patent/CN106122505B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408251A (en) * | 2008-11-13 | 2009-04-15 | 李雪亚 | Improvement of cock valve with two air sources capable of being interchanged |
| US20140345704A1 (en) * | 2013-05-22 | 2014-11-27 | W.C. Bradley Co. | Gas valve with multi-fuel capability |
| CN105351556A (en) * | 2015-11-25 | 2016-02-24 | 宁波万安股份有限公司 | Double-gas sharing plug valve |
| CN206072394U (en) * | 2016-08-31 | 2017-04-05 | 宁波万安股份有限公司 | Double gas share plug valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106122505B (en) | 2018-03-20 |
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Denomination of invention: Dual gas common plug valve Effective date of registration: 20211101 Granted publication date: 20180320 Pledgee: Industrial and Commercial Bank of China Ninghai sub branch Pledgor: NINGBO WANAN Co.,Ltd. Registration number: Y2021330002114 |
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Date of cancellation: 20230823 Granted publication date: 20180320 Pledgee: Industrial and Commercial Bank of China Ninghai sub branch Pledgor: NINGBO WANAN Co.,Ltd. Registration number: Y2021330002114 |