CN205669591U - A kind of valve of gas pipeline - Google Patents
A kind of valve of gas pipeline Download PDFInfo
- Publication number
- CN205669591U CN205669591U CN201620587460.3U CN201620587460U CN205669591U CN 205669591 U CN205669591 U CN 205669591U CN 201620587460 U CN201620587460 U CN 201620587460U CN 205669591 U CN205669591 U CN 205669591U
- Authority
- CN
- China
- Prior art keywords
- valve
- air passing
- passing hole
- auxiliary
- valve core
- 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.)
- Expired - Fee Related
Links
- 239000007787 solid Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 30
- 238000007789 sealing Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
This utility model provides a kind of valve of gas pipeline, belongs to valve arrangement technical field.It solve existing gas valve to be carried out by single spool blocking the problem that leakage easily occurs.This valve of gas pipeline, including valve body, one end of valve body has air inlet, the other end has gas outlet, there is in valve body dividing plate, the side of dividing plate is inlet chamber, opposite side is outlet chamber, air passing hole is offered on dividing plate, valve rod it is rotatably connected in valve body, main valve plug it is fixed with on valve rod, this main valve plug is positioned at inlet chamber, auxiliary valve core is also slidably connected in valve body, auxiliary valve core is positioned at outlet chamber, it is provided with between main valve plug and auxiliary valve core and drives auxiliary valve core to move when valve rod rotates and enables one end of main valve plug closure air passing hole and block the driving member of the other end of air passing hole.This valve of gas pipeline can carry out dual-plugging, good airproof performance to pipeline when closed.
Description
Technical field
This utility model belongs to valve arrangement technical field, relates to a kind of valve of gas pipeline.
Background technology
Gas valve is the safe corollary apparatus of a kind of novel gas pipeline engineering, is used for blocking, connects, regulates in pipeline
Gas, it is adaptable on the various gas medium pipelines such as town gas, liquefied petroleum, natural gas, oxygen.Gas valve purposes is wide
General, of a great variety, sorting technique also compares many, and total divides two big classes, and the first kind is automatic valve, i.e. relies on gas itself
Ability and the valve of action voluntarily, such as check-valves, regulation valve, air relief valve etc., Equations of The Second Kind is for driving valve, i.e. by manual, electric
Dynamic, pneumatic come control action valve, such as gate valve, stop valve, choke valve, butterfly valve, ball valve, plug valve etc..Current gas valve
It is single spool, is i.e. blocked by a spool, but owing to combustion gas has bigger danger, single spool hinders
Disconnected phenomenon leakage easily occur, safety is relatively low.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that a kind of valve of gas pipeline,
This valve of gas pipeline can carry out dual-plugging, good airproof performance to pipeline when closed.
The purpose of this utility model can be realized by following technical proposal: a kind of valve of gas pipeline, including valve body, institute
The one end stating valve body has air inlet, and the other end has gas outlet, it is characterised in that have dividing plate in described valve body, described every
The side of plate is inlet chamber, and this inlet chamber is connected with air inlet, and the opposite side of described dividing plate is outlet chamber, this outlet chamber with go out
QI KOU is connected, and described dividing plate offers air passing hole, is rotatably connected to valve rod, described valve rod is fixed with master in described valve body
Spool, this main valve plug is positioned at inlet chamber, also slidably connects auxiliary valve core in described valve body, and described auxiliary valve core is positioned at outlet chamber
In, be provided with between described main valve plug and auxiliary valve core when valve rod rotates and enable main valve plug block air passing hole one end time drive pair
Spool moves and blocks the driving member of the other end of air passing hole.
Pipeline is connected with air inlet and the gas outlet of valve body respectively, valve rod and valve body bolt, and valve body is stretched out in one end, logical
Crossing one end rotary valve rod stretching out valve body, main valve plug can move towards air passing hole direction, in moving process, due to main valve plug with
Valve rod rotates together, and therefore the driving member on main valve plug can drive auxiliary valve core move to air passing hole direction and be pressed on air passing hole
End, main valve plug is then pressed on the other end end of air passing hole, i.e. main valve plug and auxiliary valve core can be pressed on air passing hole respectively
Two ends, thus air passing hole is carried out dual-plugging, good airproof performance.
In above-mentioned valve of gas pipeline, described main valve plug and auxiliary valve core are all in round table-like, and main valve plug diameter is less
The less one end of one end and auxiliary valve core diameter all towards air passing hole.There is preferable sealing effectiveness.
In above-mentioned valve of gas pipeline, described valve body is fixed with two guide posts in outlet chamber, this two guide post
Length direction is all consistent with the length direction of valve rod, described auxiliary valve core offers two pilot holes, and auxiliary valve core is by two guiding
Hole is slidably connected on two guide posts.Auxiliary valve core is positioned by guide post, it is to avoid it circumferentially rotates, and guide post can make pair
The movement of spool is more stable.
In above-mentioned valve of gas pipeline, described driving member includes drive screw, and one end of this drive screw is vertically solid
Being connected on the end face of main valve plug, the other end is through air passing hole and stretches in outlet chamber, and described auxiliary valve core offers screw, above-mentioned
The end of drive screw is screwed onto in the screw of auxiliary valve core.Auxiliary valve core is modified by drive screw, simple in construction, and transmission is steady
Fixed.
In above-mentioned valve of gas pipeline, one end of described screw is closed.Avoid combustion gas to reveal in screw, improve close
Feng Xing.
In above-mentioned valve of gas pipeline, the edge, two ends of described air passing hole is respectively provided with chamfering, when main valve plug and secondary valve
During core closure air passing hole, the fillet surface with air passing hole two ends respectively of the round table surface on main valve plug and auxiliary valve core fits and compresses.I.e.
Main valve plug and auxiliary valve core all with fillet surface face seal, there is preferable sealing effectiveness.
Compared with prior art, this valve of gas pipeline has the advantage that
1, rotating together with valve rod due to main valve plug, therefore the driving member on main valve plug can drive auxiliary valve core to air passing hole
Air passing hole end is moved and is pressed in direction, and main valve plug is then pressed on the other end end of air passing hole, i.e. main valve plug and secondary valve
Core can be pressed on the two ends of air passing hole respectively, thus air passing hole is carried out dual-plugging, good airproof performance.
2, being slidably connected on two guide posts by two pilot holes due to auxiliary valve core, auxiliary valve core is positioned by guide post,
Avoid it to circumferentially rotate, and guide post can make the movement of auxiliary valve core more stable.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of this valve of gas pipeline.
In figure, 1, valve body；11, air inlet；12, gas outlet；13, inlet chamber；14, outlet chamber；15, dividing plate；16, gas is crossed
Hole；2, valve rod；3, main valve plug；4, auxiliary valve core；41, screw；42, pilot hole；5, drive screw；6, guide post.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As it is shown in figure 1, a kind of valve of gas pipeline, including valve body 1, one end of valve body 1 has air inlet 11, and the other end has
Having gas outlet 12, have dividing plate 15 in valve body 1, the side of described dividing plate 15 is inlet chamber 13, this inlet chamber 13 and air inlet 11
Being connected, the opposite side of dividing plate 15 is outlet chamber 14, and this outlet chamber 14 is connected with gas outlet 12, and dividing plate 15 offered gas
Hole 16, is rotatably connected to valve rod 2, valve rod 2 is fixed with main valve plug 3 in valve body 1, this main valve plug 3 is positioned at inlet chamber 13, valve body
Also slidably connecting auxiliary valve core 4 in 1, auxiliary valve core 4 is positioned at outlet chamber 14, is provided with when valve rod 2 between main valve plug 3 and auxiliary valve core 4
Rotate and enable main valve plug 3 to drive auxiliary valve core 4 to move and block the other end of air passing hole 16 when blocking one end of air passing hole 16
Driving member.Pipeline is connected with air inlet 11 and the gas outlet 12 of valve body 1 respectively, and valve rod 2 and valve body 1 bolt, one end is stretched
Going out valve body 1, by stretching out one end rotary valve rod 2 of valve body 1, main valve plug 3 can move, at moving process towards air passing hole 16 direction
In, owing to main valve plug 3 rotates together with valve rod 2, therefore the driving member on main valve plug 3 can drive auxiliary valve core 4 to air passing hole 16
Air passing hole 16 end is moved and is pressed in direction, and main valve plug 3 is then pressed on the other end end of air passing hole 16, i.e. main valve plug 3
With the two ends that auxiliary valve core 4 can be pressed on air passing hole 16 respectively, thus air passing hole 16 is carried out dual-plugging, good airproof performance.
Specifically, main valve plug 3 and auxiliary valve core 4 are all in round table-like, and the less one end of main valve plug 3 diameter and auxiliary valve core 4
The less one end of diameter, all towards air passing hole 16, has preferable sealing effectiveness.Valve body 1 is fixed with two guiding in outlet chamber 14
Bar 6, the length direction of this two guide post 6 is all consistent with the length direction of valve rod 2, and auxiliary valve core 4 offers two pilot holes 42, and
Auxiliary valve core 4 is slidably connected on two guide posts 6 by two pilot holes 42, and auxiliary valve core 4 is positioned by guide post 6, it is to avoid its week
To rotation, and guide post 6 can make the movement of auxiliary valve core 4 more stable.Driving member includes drive screw 5, this drive screw 5
One end is vertically connected on the end face of main valve plug 3, and the other end is through air passing hole 16 and stretches in outlet chamber 14, and auxiliary valve core 4 is opened
Being provided with screw 41, the end of drive screw 5 is screwed onto in the screw 41 of auxiliary valve core 4, and auxiliary valve core 4 is changed by drive screw 5
Dynamic, simple in construction, stable transmission.One end of screw 41 is closed, it is to avoid combustion gas is revealed in screw 41, improves sealing.Cross gas
The edge, two ends in hole 16 is respectively provided with chamfering, when main valve plug 3 and auxiliary valve core 4 block air passing hole 16, on main valve plug 3 and auxiliary valve core 4
Round table surface fillet surface with air passing hole 16 two ends respectively fit and compress, i.e. main valve plug 3 and auxiliary valve core 4 is all close with fillet surface face
Envelope, has preferable sealing effectiveness.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a valve of gas pipeline, including valve body (1), one end of described valve body (1) has air inlet (11), and the other end has
Gas outlet (12), it is characterised in that have dividing plate (15) in described valve body (1), the side of described dividing plate (15) is inlet chamber
(13), this inlet chamber (13) is connected with air inlet (11), and the opposite side of described dividing plate (15) is outlet chamber (14), this outlet chamber
(14) being connected with gas outlet (12), described dividing plate (15) offers air passing hole (16), described valve body is rotatably connected in (1)
Valve rod (2), described valve rod (2) is fixed with main valve plug (3), and this main valve plug (3) is positioned at inlet chamber (13), described valve body (1)
The most also slidably connecting auxiliary valve core (4), described auxiliary valve core (4) is positioned at outlet chamber (14), described main valve plug (3) and auxiliary valve core
(4) be provided with between when valve rod (2) rotate and enable main valve plug (3) closure air passing hole (16) one end time drive auxiliary valve core (4)
Move and block the driving member of the other end of air passing hole (16).
Valve of gas pipeline the most according to claim 1, it is characterised in that described main valve plug (3) and auxiliary valve core (4) all in
Round table-like, and one end less with auxiliary valve core (4) diameter, the less one end of main valve plug (3) diameter is all towards air passing hole (16).
Valve of gas pipeline the most according to claim 2, it is characterised in that described valve body (1) is solid in outlet chamber (14)
Being connected with two guide posts (6), the length direction of this two guide post (6) is all consistent with the length direction of valve rod (2), described auxiliary valve core
(4) offer two pilot holes (42) on, and auxiliary valve core (4) is slidably connected on two guide posts (6) by two pilot holes (42).
Valve of gas pipeline the most according to claim 3, it is characterised in that described driving member includes drive screw (5), should
One end of drive screw (5) is vertically connected on the end face of main valve plug (3), and the other end is through air passing hole (16) and stretches into outlet chamber
(14) in, described auxiliary valve core (4) offering screw (41), the end of above-mentioned drive screw (5) is screwed onto the spiral shell of auxiliary valve core (4)
In hole (41).
Valve of gas pipeline the most according to claim 4, it is characterised in that one end of described screw (41) is closed.
6. according to the valve of gas pipeline described in claim 4 or 5, it is characterised in that the edge, two ends of described air passing hole (16)
It is respectively provided with chamfering, when main valve plug (3) and auxiliary valve core (4) block air passing hole (16), the circle on main valve plug (3) and auxiliary valve core (4)
Table top fillet surface with air passing hole (16) two ends respectively fits and compresses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587460.3U CN205669591U (en) | 2016-06-16 | 2016-06-16 | A kind of valve of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587460.3U CN205669591U (en) | 2016-06-16 | 2016-06-16 | A kind of valve of gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205669591U true CN205669591U (en) | 2016-11-02 |
Family
ID=57191209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620587460.3U Expired - Fee Related CN205669591U (en) | 2016-06-16 | 2016-06-16 | A kind of valve of gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205669591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679239A (en) * | 2018-06-04 | 2018-10-19 | 华东矿用设备有限公司 | A kind of anti-deposition high leakproofness control valve |
| CN108730527A (en) * | 2018-06-04 | 2018-11-02 | 华东矿用设备有限公司 | A kind of control valve that compact-sized sealing is firm |
-
2016
- 2016-06-16 CN CN201620587460.3U patent/CN205669591U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679239A (en) * | 2018-06-04 | 2018-10-19 | 华东矿用设备有限公司 | A kind of anti-deposition high leakproofness control valve |
| CN108730527A (en) * | 2018-06-04 | 2018-11-02 | 华东矿用设备有限公司 | A kind of control valve that compact-sized sealing is firm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161102 Termination date: 20170616 |