CN105351556B - Double gas share plug valve - Google Patents
Double gas share plug valve Download PDFInfo
- Publication number
- CN105351556B CN105351556B CN201510827779.9A CN201510827779A CN105351556B CN 105351556 B CN105351556 B CN 105351556B CN 201510827779 A CN201510827779 A CN 201510827779A CN 105351556 B CN105351556 B CN 105351556B
- Authority
- CN
- China
- Prior art keywords
- valve
- pivot pin
- spacing
- positive stop
- lug boss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 39
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
-
- 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
-
- 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)
Abstract
The invention discloses a kind of double gas to share plug valve,Including being provided with inlet channel and outlet passageway valve body,Valve element,Bonnet,And valve rod,Inlet channel is connected with outlet passageway by valve element,Valve element is circumferentially provided with multiple fire holes,One end of valve rod is located at the outside of bonnet,The other end is placed in the inner chamber of bonnet through bonnet,One end that valve rod is placed in inner chamber is provided with alignment pin,Also include the spacing pivot pin that one end is provided with positive stop lug boss,Spacing pivot pin is rotatably positioned in pivot pin through hole,The one end of spacing pivot pin with positive stop lug boss is placed in interior intracavitary,The height of positive stop lug boss is more than the spacing between positioning pin end and spacing pivot pin,When rotary stopper pivot pin stretches out positive stop lug boss,Then position-limiting action of the rotational angle of valve rod between by alignment pin and positive stop lug boss and limited,When rotary stopper pivot pin resets positive stop lug boss,The then limitation of the unrestricted position boss of the rotational angle of valve rod,Device overall structure stability is more excellent,Source of the gas handover operation is simpler.
Description
Technical field
The present invention relates to gas-fired equipment technical field, and in particular to a kind of double gas share plug valve.
Background technology
Plug valve refers to being used for manually operated control through commonly used rotary gas valve, the valve in domestic gas equipment
The switching supply of gas source processed；In the prior art, conventional plug valve, which generally comprises, is provided with inlet channel and outlet passageway
Valve body, be provided with the taper hole communicated respectively with inlet channel, outlet passageway in valve body, be provided with taper hole and taper hole coordinates
The truncated cone bodily form valve element of assembling is sealed, multiple different size of air admission holes communicated with inlet channel are provided with valve element side face,
Valve body one end is provided with bonnet and the valve rod rotated for rotary spool, is adjusted by rotary valve rod on valve element not during use
Connected with air admission hole with the inlet channel on valve body, to adjust the mesh that gas supply amount reaches control gas-fired equipment intensity of a fire size
's.
At present, a variety of different gas energies are used widely, such as natural gas and propane flammable gas, different combustion gas energy
The combustion characteristics in source is different, this allow for gas utensil in use required gas flow difference, it is necessary to be set on valve element
Different size of air admission hole is put to control the flow of corresponding source of the gas, when user needs to switch different types of gas under special circumstances
Source is in use, just need to control plug valve to carry out adaptation output source of the gas to switch out different size of air admission hole.
Exist in correlation technique it is a kind of can switch the plug valve used in two kinds of sources of the gas, in the close valve element of valve rod
One end is provided with alignment pin, and the step for being used to stop alignment pin at multiple intervals is provided with the inner chamber of bonnet, passes through rotation
Valve rod causes alignment pin to be positioned at different steps, can make it that various sizes of air admission hole connects with inlet channel on valve element
It is logical, an adjustable limiting bar is additionally provided with the plug valve, adjustable limiting bar is located between the step of two kinds of air-source inflow holes of switching,
Stop by inserting or pull out adjustable limiting bar or avoid alignment pin, reach the mesh for being applicable air admission hole of the corresponding source of the gas of switching
's.
However, the adjustable limiting bar in above-mentioned plug valve is generally expansion screw, be by spinning in and out expansion screw come
Alignment pin is carried out spacing, this slow efficiency of mode speed that is switched over to dual gas supply use pattern is low, by frequently behaviour
Easily loosened at expansion screw after work, and then have influence on the limit effect to alignment pin.
The content of the invention
It is fast that the technical problem to be solved in the present invention is to provide a kind of source of the gas use pattern switch speed, switching part structure
Stable double gas share plug valve.
The technical scheme is that, there is provided a kind of double gas share plug valve, including are provided with inlet channel and outlet leads to
The valve body in road, it is arranged on rotatable valve element in valve body, is fixed on the bonnet with inner chamber of valve end, and can be with movable valve plug
The valve rod rotate in same direction, the inlet channel are connected with outlet passageway by valve element, and the valve element is circumferentially provided with multiple fire
Hole, one end of the valve rod are located at the outside of bonnet, and the other end is placed in the inner chamber of bonnet through bonnet, and valve rod is placed in inner chamber
One end be provided with alignment pin, in addition to one end is provided with the spacing pivot pin of positive stop lug boss, and the spacing pivot pin is rotatably placed
In pivot pin through hole, the described one end of spacing pivot pin with positive stop lug boss is placed in interior intracavitary, and the height of the positive stop lug boss, which is more than, determines
Spacing between position pin end and spacing pivot pin, when rotary stopper pivot pin stretches out positive stop lug boss, then the rotational angle of valve rod
Position-limiting action between by alignment pin and positive stop lug boss and limited, when rotary stopper pivot pin resets positive stop lug boss, then
The limitation of the unrestricted position boss of rotational angle of valve rod.
Further, in addition to elastic component, one end of the elastic component props up valve body and the other end props up spacing pivot pin.
Further, elastic component fixing hole is offered on the end face of one end of the close positive stop lug boss of the spacing pivot pin,
One end of the elastic component is placed in the elastic component fixing hole.
Further, limited impression is respectively arranged with the side wall of the inner chamber of the bonnet and resets groove, it is described spacing
Stretching state is in when boss is located in limited impression, in withdrawal shape when the positive stop lug boss is located in reset state groove
State.
Further, it is provided with the end face of one end of the remote positive stop lug boss of the spacing pivot pin and is limited for convenient rotate
The rotating gravure of position pivot pin.
Further, in addition to sealing ring, the sealing ring are enclosed on spacing pivot pin and are held on positive stop lug boss and inner chamber
Side wall between.
Further, one end of the remote positive stop lug boss of the spacing pivot pin is located in pivot pin through hole.
Further, one end of the close valve element of the valve rod is provided with projection, the end set of the valve element have with it is convex
The neck being engaged is acted, the valve rod bullet for valve rod to be pushed away to valve element is clamped between the end of the valve rod and the end of valve element
Spring.
Further, the first step and second for stopping that alignment pin rotates that is used for being spaced apart is provided with the inner chamber
Step, the fire hole include big fire hole, the first small fire hole and the second small fire hole；When alignment pin turn to it is spacing by first step
When big fire hole connected with inlet channel, when alignment pin turn to be limited pivot pin it is spacing when the first small fire hole and inlet channel connect
It is logical, when alignment pin turns to it is spacing by second step when the second small fire hole connected with inlet channel.
Further, the exit of the outlet passageway on the valve body is provided with nozzle carrier, is provided with the nozzle carrier
Nozzle.
Technical solution of the present invention has the beneficial effect that：By setting the spacing pivot pin with positive stop lug boss, opened up on bonnet
The pin axis through hole run through, and one end with positive stop lug boss of spacing pivot pin is placed in bonnet inner chamber through pin axis through hole so that
Positive stop lug boss is located in bonnet inner chamber simultaneously with alignment pin, then, two kinds is in by rotary stopper pivot pin positive stop lug boss
Different location status (stretch out spacing state and withdraw reset state), it is spacing or non-spacing to alignment pin progress, correspondingly
Limitation and unrestricted has been carried out to the rotational angle of valve rod, it is achieved thereby that make valve element top fire seperating hole communicated with inlet channel or
The purpose that whole fire holes communicate with inlet channel, being switched fast between different source of the gas use patterns is completed, relative to tradition
Carry out source of the gas switching by ejection retraction limited post, the setting of spacing pivot pin and positive stop lug boss is simple to operate, structural stability
It is more excellent.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structure chart that a kind of double gas provided by the invention share plug valve；
Fig. 2 is bonnet inner chamber view when alignment pin is located at original position；
Fig. 3 is the fire hole location status schematic diagram at valve element corresponding with Fig. 2 states；
Fig. 4 is bonnet inner chamber view when alignment pin is located at first step position；
Fig. 5 is the fire hole location status schematic diagram at valve element corresponding with Fig. 4 states；
Fig. 6 is that alignment pin is located at bonnet inner chamber view when limit shaft pins position is put；
Fig. 7 is the fire hole location status schematic diagram at valve element corresponding with Fig. 6 states；
Fig. 8 is bonnet inner chamber view when alignment pin is located at second step position；
Fig. 9 is the fire hole location status schematic diagram at valve element corresponding with Fig. 8 states.
Wherein, reference is：
1st, valve body；1a, inlet channel；1b, outlet passageway；2nd, valve element；2a, neck；2b, big fire hole；2c, the first small fire
Hole；2d, the second small fire hole；3rd, bonnet；3a, pivot pin through hole；3b, first step；3c, second step；3d, inner chamber；4th, valve rod；
4a, projection；5th, alignment pin；6th, positive stop lug boss；7th, spacing pivot pin；8th, elastic component；9th, elastic component fixing hole；10a, spacing state are recessed
Groove；10b, non-spacing state groove；11st, rotating gravure；12nd, valve rod spring；13rd, nozzle carrier；14th, nozzle.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1~9, the invention discloses a kind of double gas to share plug valve, and the plug valve leads to including being provided with air inlet
Road 1a and outlet passageway 1b valve body 1, it is arranged on rotatable valve element 2 in valve body 1, is fixed on the band inner chamber 3d of the end of valve body 1
Bonnet 3, and can with the valve rod 4 that movable valve plug 2 rotates in same direction, wherein, inlet channel 1a and outlet passageway 1b is connected by valve element 2
Logical, valve element 2 is circumferentially provided with multiple fire holes, and one end of valve rod 4 is located at the outside of bonnet 3, and the other end is placed in valve through bonnet 3
In the inner chamber 3d of lid 3, one end that valve rod 3 is placed in the 3d of inner chamber is provided with alignment pin 5；Alignment pin 5 is in bonnet during rotary valve rod 4
Synchronous axial system in chamber 3d, when the control end of valve rod 4 offsets with valve element 2, valve rod 4 synchronously rotates in same direction with movable valve plug 2, and valve element 2 exists
When turning to different angle various sizes of fire hole can be caused to be connected with inlet channel 1a, if alignment pin 5 is in the inner chamber of bonnet 3
It is blocked in 3d when causing valve rod 4 to rotate, valve element 2 cannot turn to corresponding angle to realize the switching of fire hole.
In the present embodiment, the plug valve also includes the spacing pivot pin 7 that one end is provided with positive stop lug boss 6, is set on bonnet 3
Have the pivot pin through hole 3a run through, spacing pivot pin 7 is rotatably positioned in pivot pin through hole 3a, spacing pivot pin 7 with positive stop lug boss 6 one
End is placed in the 3d of inner chamber, and the height of positive stop lug boss 6 is more than the spacing between the end of alignment pin 5 and spacing pivot pin 7, works as rotary stopper
When pivot pin 7 stretches out positive stop lug boss 6, then position-limiting action of the rotational angle of valve rod 4 between by alignment pin 5 and positive stop lug boss 6
And limited (because the rotational angle of valve rod 4 is limited, now can only adjustment portion fire seperating hole connected with inlet channel 1a, Ye Jishi
The fire hole regulatory function of the first existing source of the gas), when rotary stopper pivot pin 7 resets positive stop lug boss 6, then the angle of rotation of valve rod 4
Spending the limitation of unrestricted position boss 6, (now the rotational angle of valve rod 4 is unrestricted, can adjust whole fire holes and inlet channel
1a is connected, namely realizes the fire hole regulatory function of second of source of the gas).Wherein, positive stop lug boss 6 can be provided projectingly on limit shaft
The sidepiece of one end of pin 7, in rotary stopper pivot pin 7, the positive stop lug boss 6 of sidepiece is synchronous to be rotated in bonnet inner chamber, when spacing
When boss 6 is rotated in stretching state, alignment pin 5 is blocked by boss and can not be rotated further.
In another implementation, the plug valve also includes elastic component 8, and one end of elastic component 8 props up valve body 1 and another
One end props up spacing pivot pin 7.Elastic component 8 can be pivot pin spring, by will be held on valve body 1 and limit after pivot pin spring pre-pressing
Between the pivot pin 7 of position so that the rotation of spacing pivot pin 7 is more slowly stablized, and the position for being advantageous to positive stop lug boss 6 is stable.
Preferably, elastic component fixing hole 9 is offered on the end face of one end of the close positive stop lug boss 6 of spacing pivot pin 7, elasticity
One end of part 8 is placed in elastic component fixing hole 9.Meanwhile it is respectively arranged with limited impression in the inner chamber 3d of bonnet 3 side wall
10a and reset groove 10b, in spacing state is stretched out when positive stop lug boss 6 is located in limited impression 10a, positive stop lug boss 6 is positioned at multiple
In withdrawal reset state when in the groove 10b of position.Being provided with beneficial to whole elastic component 8 is steadily fixed for elastic component fixing hole 9, prevents
Elastic component 8 misplaces during spin-ended turn of spacing pivot pin 7.
Further, it is provided with the end face of one end of the remote positive stop lug boss 6 of spacing pivot pin 7 for facilitating rotary stopper
The rotating gravure 11 of pivot pin 7.It is preferred that the rotating gravure 11 can be yi word pattern groove or cruciform groove.
In another optional implementation, sealing ring (not shown), sealing ring are also provided with the plug valve
It is enclosed on spacing pivot pin 7 and is held between positive stop lug boss 6 and inner chamber 3d side wall.So setting can cause sealing ring to seal
Gap between spacing pivot pin 7 and bonnet 3, the foreign matters such as oil smoke, dust are avoided to enter damage plug valve internal structure from gap.
Preferably, one end of the remote positive stop lug boss 6 of spacing pivot pin 7 is located in pivot pin through hole 3a.Namely spacing pivot pin 7
One end does not expose pivot pin through hole 3a, and spacing pivot pin 7 is to switch the important operation part that source of the gas is applicable fire hole, and so setting to make
Spacing pivot pin 7 obtains protection and is not easy to be misused.
Further, one end of the close valve element 2 of valve rod 4 is provided with raised 4a, and the end set of valve element 2 has and raised 4a
The neck 2a being engaged, the valve rod bullet for valve rod 4 to be pushed away to valve element 2 is clamped between the end of valve rod 4 and the end of valve element 2
Spring 12.Valve rod spring 12 is pre-pressing state, and for applying deboost to valve rod 4, alignment pin 5 is pressed in the side of bonnet inner chamber
On wall, after promoting valve rod 4 that raised 4a is pressed into neck 2a, raised 4a and neck 2a coordinates spacing, the valve element in rotation valve rod 4
2 can be driven and rotate in same direction.
Further, be provided with inner chamber (3d) be spaced apart be used for stop alignment pin 5 rotate first step 3b and
Second step 3c, in the present embodiment, fire hole includes big fire hole 2b, the first small fire hole 2c and the second small fire hole 2d；When alignment pin 5
Turn to by first step 3b it is spacing when big fire hole 2b connected with inlet channel 1a, be limited pivot pin 7 when alignment pin 5 turns to and limit
Position when the first small fire hole 2c connected with inlet channel 1a, when alignment pin 5 turns to it is spacing by second step 3c when the second small fire hole
2d connects with inlet channel 1a.Wherein, big fire hole 2b, the first small fire hole 2c meet the fire hole regulatory sequence of one of which source of the gas,
Such as natural gas；Big fire hole 2b, the additional second small fire hole 2d of the first small fire hole 2c meet the fire hole regulatory sequence of another source of the gas,
Such as propane flammable gas；By adjusting the position of the positive stop lug boss 6 on spacing pivot pin 7, used to complete the switching of two kinds of sources of the gas.
Wherein, big fire hole 2b, the first small fire hole 2c and the second small fire hole 2d fire hole diameter are sequentially reduced, such as institute in figure
Show, setting A places are the original position of alignment pin 5, there is that fire hole is obstructed at A, source of the gas closing；By 90 ° of 5 rotate counterclockwise of alignment pin
When reaching first step 3b place, big fire hole 2b connects source of the gas, for the output big fire state of two kinds of sources of the gas；By the inverse time of alignment pin 5
When pin is rotated at 180 ° of spacing pivot pins 7 of arrival, the first small fire hole 2c sources of the gas, for the small fire state of the first source of the gas (such as natural gas)
It is simultaneously the moderate heat state of second of source of the gas (such as propane flammable gas)；By 5 rotate counterclockwise of alignment pin, 270 ° reach at second step 3c
When, the second small fire hole 2d connection sources of the gas, for the small fire state of second of source of the gas.
Further, in the present embodiment, the exit of the outlet passageway 1b on valve body 1 is provided with nozzle carrier 13, nozzle
Nozzle 14 is installed on seat 13.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of double gas share plug valve, including are provided with the valve body (1) of inlet channel (1a) and outlet passageway (1b), it is arranged on
Rotatable valve element (2) in valve body (1), be fixed on valve body (1) end band inner chamber (3d) bonnet (3), and valve can be driven
The valve rod (4) that core (2) rotates in same direction, the inlet channel (1a) are connected with outlet passageway (1b) by valve element (2), the valve element
(2) be circumferentially provided with multiple fire holes, one end of the valve rod (4) is located at the outside of bonnet (3), and the other end passes through bonnet (3)
It is placed in the inner chamber (3d) of bonnet (3), one end that valve rod (4) is placed in inner chamber (3d) is provided with alignment pin (5), and its feature exists
In：
Also include the spacing pivot pin (7) that one end is provided with positive stop lug boss (6), the pivot pin being provided through on the bonnet (3) leads to
Hole (3a), the spacing pivot pin (7) are rotatably positioned in pivot pin through hole (3a), spacing pivot pin (7) the band positive stop lug boss (6)
One end be placed in inner chamber (3d), the height of the positive stop lug boss (6) is more than between alignment pin (5) end and spacing pivot pin (7)
Spacing, when rotary stopper pivot pin (7) make positive stop lug boss (6) stretch out when, then the rotational angle of valve rod (4) by alignment pin (5) with
Position-limiting action between positive stop lug boss (6) and limited, when rotary stopper pivot pin (7) resets positive stop lug boss (6), then valve
The limitation of the unrestricted position boss (6) of rotational angle of bar (4).
2. double gas according to claim 1 share plug valve, it is characterised in that：Also include elastic component (8), the elastic component
(8) one end props up valve body (1) and the other end props up spacing pivot pin (7).
3. double gas according to claim 2 share plug valve, it is characterised in that：The spacing pivot pin (7) it is close spacing
Elastic component fixing hole (9) is offered on the end face of one end of boss (6), one end of the elastic component (8) is placed in the elastic component
In fixing hole (9).
4. double gas according to claim 2 share plug valve, it is characterised in that：The side of the inner chamber (3d) of the bonnet (3)
Limited impression (10a) is respectively arranged with wall and resets groove (10b), the positive stop lug boss (6) is located in limited impression (10a)
When be in stretching state, the positive stop lug boss (6) when resetting in groove (10b) positioned at being in retracted state.
5. double gas according to claim 1 share plug valve, it is characterised in that：The spacing pivot pin (7) it is remote spacing
The rotating gravure (11) for facilitating rotary stopper pivot pin (7) is provided with the end face of one end of boss (6).
6. double gas according to claim 1 share plug valve, it is characterised in that：Also include sealing ring, the sealing snare
On spacing pivot pin (7) and it is held between positive stop lug boss (6) and inner chamber (3d) side wall.
7. double gas according to claim 1 share plug valve, it is characterised in that：The spacing pivot pin (7) it is remote spacing
One end of boss (6) is located in pivot pin through hole (3a).
8. double gas according to claim 1 share plug valve, it is characterised in that：The close valve element (2) of the valve rod (4)
One end is provided with raised (4a), and the end set of the valve element (2) has the neck (2a) being engaged with raised (4a), the valve
The valve rod spring (12) for valve rod (4) to be pushed away to valve element (2) is clamped between the end of bar (4) and the end of valve element (2).
9. double gas according to claim 1 share plug valve, it is characterised in that：Interval point is provided with the inner chamber (3d)
Cloth be used for stop alignment pin (5) rotate first step (3b) and second step (3c), the fire hole including big fire hole (2b),
First small fire hole (2c) and the second small fire hole (2d)；When alignment pin (5) turns to it is spacing by first step (3b) when big fire hole
(2b) connects with inlet channel (1a), when alignment pin (5) turn to be limited pivot pin (7) it is spacing when the first small fire hole (2c) with entering
Gas passage (1a) connects, when alignment pin (5) turns to it is spacing by second step (3c) when the second small fire hole (2d) and inlet channel
(1a) is connected.
10. double gas according to claim 1 share plug valve, it is characterised in that：Outlet passageway on the valve body (1)
The exit of (1b) is provided with nozzle carrier (13), and nozzle (14) is provided with the nozzle carrier (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827779.9A CN105351556B (en) | 2015-11-25 | 2015-11-25 | Double gas share plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827779.9A CN105351556B (en) | 2015-11-25 | 2015-11-25 | Double gas share plug valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351556A CN105351556A (en) | 2016-02-24 |
| CN105351556B true CN105351556B (en) | 2018-02-06 |
Family
ID=55327586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510827779.9A Active CN105351556B (en) | 2015-11-25 | 2015-11-25 | Double gas share plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351556B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122505B (en) * | 2016-08-31 | 2018-03-20 | 宁波万安股份有限公司 | Double gas share plug valve |
| CN106885006B (en) * | 2017-03-20 | 2023-05-09 | 中山市金艺金属制品有限公司 | Oven air inlet valve with gas universality |
| TWI623710B (en) * | 2017-04-21 | 2018-05-11 | Grand Mate Co Ltd | Gas Switchgear |
| CN107701751B (en) * | 2017-10-26 | 2024-08-27 | 浙江新涛智控科技股份有限公司 | Gas plug valve |
| CN109780249B (en) * | 2019-02-20 | 2020-06-02 | 特技阀门集团有限公司 | Anti-misoperation ball valve |
| CN112032353B (en) * | 2020-07-31 | 2024-06-07 | 华帝股份有限公司 | Novel plug valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0424310Y2 (en) * | 1986-04-26 | 1992-06-08 | ||
| CN101408251A (en) * | 2008-11-13 | 2009-04-15 | 李雪亚 | Improvement of cock valve with two air sources capable of being interchanged |
| CN201902588U (en) * | 2010-12-07 | 2011-07-20 | 梁锐昌 | Air source switching valve |
| CN203098923U (en) * | 2013-01-25 | 2013-07-31 | 浙江新涛电子机械股份有限公司 | Thermoelectric-type flame-out protection gas stove plug valve and gas stove |
| CN204239790U (en) * | 2014-11-17 | 2015-04-01 | 宁波朝阳家用燃气具有限公司 | A kind of fuel gas plug valve |
| CN205155210U (en) * | 2015-11-25 | 2016-04-13 | 宁波万安股份有限公司 | Two gas sharing plug valves |
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2015
- 2015-11-25 CN CN201510827779.9A patent/CN105351556B/en active Active
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Denomination of invention: Dual gas shared plug valve Granted publication date: 20180206 Pledgee: Industrial and Commercial Bank of China Ninghai sub branch Pledgor: NINGBO WANAN Co.,Ltd. Registration number: Y2024330001306 |