CN206738650U - A kind of natural gas valve - Google Patents
A kind of natural gas valve Download PDFInfo
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- CN206738650U CN206738650U CN201720381434.XU CN201720381434U CN206738650U CN 206738650 U CN206738650 U CN 206738650U CN 201720381434 U CN201720381434 U CN 201720381434U CN 206738650 U CN206738650 U CN 206738650U
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- valve
- natural gas
- ring
- sealing device
- lock
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Abstract
The utility model discloses a kind of natural gas valve, including valve body, sealing device and valve element, valve rod is installed in the middle part of the valve body, and valve rod upper end is provided with nut, the valve element lower end is provided with valve seat, and valve element is located at below sealing device, the valve element upper end is fixed with connecting rod, and small end is provided with valve rod, and gas outlet is provided with the left of the valve body, and gas outlet is internally provided with check valve, and conduit coupling is provided with the outside of the air inlet and gas outlet.The natural gas valve is provided with sealing device, it can prevent natural gas from being revealed from part junction, conduit coupling is made up of lock tooth snap ring, sealing ring, latch and lock ring, and sealing ring is provided with the right side of lock tooth snap ring, lock ring is installed on the left of latch, and lock tooth snap ring internal diameter and be more than sealing ring external diameter, lock tooth snap ring internal whorl matches with lock ring outside screw, it is simple in construction, can be by outside natural gas line fixation, and be easily installed and dismantle.
Description
Technical field
Valve arrangement technical field is the utility model is related to, specially a kind of natural gas valve.
Background technology
Natural gas valve is a kind of safe corollary apparatus of gas pipeline engineering, for blocking, connecting in regulation pipeline
Gas, there is good control characteristic and close sealing property, with the continuous raising of people's living standard, natural gas is answered
With more and more extensive, therefore the security of natural gas motorcar also increasingly obtains the extensive concern of people, it is desirable to be able to by right
Innovating to improve the operating efficiency of equipment for natural gas valve, improves security, is allowed to give play to the value of maximum, with science and technology
Development, natural gas valve, which has, significantly to be developed, and its development is brought to people when carrying out natural gas valve installation
Very big facility, its type and quantity is also just growing day by day.Although natural gas valve type and quantity in the market
It is very more, but the installation inconvenience of most natural gas valve, and natural gas flow can not be limited well to security is not
High this significantly limits the use range of natural gas valve, and uses and not enough facilitate, flexibly.
Utility model content
The purpose of this utility model is to provide a kind of natural gas valve, to solve the current city that above-mentioned background technology proposes
The problem of natural gas valve on field mounts and dismounts inconvenience and poor sealing.
To achieve the above object, the utility model provides following technical scheme：A kind of natural gas valve, including it is valve body, close
Seal apparatus and valve element, the valve body middle part is provided with valve rod, and valve rod upper end is provided with nut, and the sealing device upper end is fixed
There is valve rod, and sealing device is located at valve inner, is provided with air inlet on the right side of the valve body, the valve element lower end is provided with valve
Seat, and valve element is located at below sealing device, the valve element upper end is fixed with connecting rod, and small end is provided with valve rod, the valve
Gas outlet is installed, and gas outlet is internally provided with check valve, and pipe is provided with the outside of the air inlet and gas outlet on the left of body
Pipe connecting.
Preferably, the valve core inside groove height is equal with valve seat height.
Preferably, the conduit coupling is made up of lock tooth snap ring, sealing ring, latch and lock ring, and it is right to lock tooth snap ring
Side is provided with sealing ring, and lock ring is provided with the left of latch, and locks tooth snap ring internal diameter and be more than sealing ring external diameter, locks in tooth snap ring
Portion's screw thread matches with lock ring outside screw.
Preferably, the check valve includes valve body, baffle plate, pressure pin and spring, and pressure pin is connected through baffle plate with valve body,
Spring is provided with the left of baffle plate.
Preferably, it is concave structure at left and right sides of the small end, is convex structure inside sealing device upper end, and
Concave structure appearance and size matches with sealing device upper end inner convex construction profile size at left and right sides of small end.
Compared with prior art, the beneficial effects of the utility model are：The natural gas valve is provided with sealing device, can
Prevent natural gas from being revealed from part junction, valve core inside groove height is equal with valve seat height, and valve seat can be installed into just
In the groove of valve element lower end, there is good sealing, conduit coupling is made up of lock tooth snap ring, sealing ring, latch and lock ring,
And sealing ring is provided with the right side of lock tooth snap ring, lock ring is installed on the left of latch, and lock tooth snap ring internal diameter more than outside sealing ring
Footpath, lock tooth snap ring internal whorl matches with lock ring outside screw, simple in construction, can be by outside natural gas line fix tightly
Gu preventing from revealing natural gas, and it is easily installed and dismantles, check valve includes valve body, baffle plate, pressure pin and spring, and pressure pin passes through
Wear baffle plate with valve body to be connected, be provided with spring on the left of baffle plate, can limit natural gas flow to, when gas pressure deficiency,
Spring promotes baffle plate that gas outlet is closed, and avoids causing the danger of natural gas leakage, is spill at left and right sides of small end
Structure, be convex structure inside sealing device upper end, and small end left and right sides concave structure appearance and size and sealing device
Upper end inner convex construction profile size matches, and connecting rod is to be slidably connected with sealing device, can in connecting rod uphill process
Limit its rotation.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is mplifying structure schematic diagram at A in the utility model Fig. 1；
Fig. 3 is the utility model one-way valve structures schematic diagram；
Fig. 4 is the utility model conduit coupling structural representation.
In figure：1 valve body, 2, valve rod, 3, nut, 4, sealing device, 5, air inlet, 6, valve element, 7, valve seat, 8, gas outlet,
9th, conduit coupling, 901, lock tooth snap ring, 902, sealing ring, 903, latch, 904, lock ring, 10, check valve, 1001, valve body,
1002nd, baffle plate, 1003, pressure pin, 1004, spring, 11, connecting rod.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of natural gas valve, including valve body 1, sealing
Device 4 and valve element 6, the middle part of valve body 1 is provided with valve rod 2, and the upper end of valve rod 2 is provided with nut 3, and the upper end of sealing device 4 is fixed with
Valve rod 2, it can prevent natural gas from being revealed from part junction, and sealing device 4 is located inside valve body 1, the right side of valve body 1 is provided with
Air inlet 5, the lower end of valve element 6 are provided with valve seat 7, and the interior grooves of valve element 6 height is highly equal with valve seat 7, have sealing well
Property, and valve element 6 is located at the lower section of sealing device 4, the upper end of valve element 6 is fixed with connecting rod 11, is spill at left and right sides of the upper end of connecting rod 11
Structure, the upper end of sealing device 4 inside are convex structure, and concave structure appearance and size fills with sealing at left and right sides of the upper end of connecting rod 11
Put 4 upper end inner convex construction profile sizes to match, connecting rod 11, to be slidably connected, rose with sealing device 4 in connecting rod 11
Cheng Zhong, its rotation can be limited, and the upper end of connecting rod 11 is provided with valve rod 2, the left side of valve body 1 is provided with gas outlet 8, and gas outlet 8
Check valve 10 is internally provided with, check valve 10 includes valve body 1001, baffle plate 1002, pressure pin 1003 and spring 1004, and pressure pin
1003 are connected through baffle plate 1002 with valve body 1001, and the left side of baffle plate 1002 is provided with spring 1004, can limit natural gas flow
To when gas pressure deficiency, spring 1004 promotes baffle plate 1002 to cause gas outlet to close, and avoids causing natural gas leakage
Danger, air inlet 5 and the outside of gas outlet 8 are provided with conduit coupling 9, and conduit coupling 9 is by lock tooth snap ring 901, sealing ring
902nd, latch 903 and lock ring 904 are formed, and lock the right side of tooth snap ring 901 and be provided with sealing ring 902, and the left side of latch 903 is provided with
Lock ring 904, and lock the internal diameter of tooth snap ring 901 and be more than the external diameter of sealing ring 902, the internal whorl of lock tooth snap ring 901 and lock ring 904
Outside screw matches, simple in construction, can prevent from revealing natural gas, and be easy to by outside natural gas line fixation
Installation and removal.
Operation principle：When using the natural gas valve, first, by air inlet 5 and the conduit coupling in the outside of gas outlet 8
9 are connected with outside natural gas line, and first latch 903 is stuck on the outside of pipeline, then lock ring 904 is enclosed on into the outside of latch 903,
Lock tooth snap ring 901 is enclosed on the outside of sealing ring 902 afterwards, and will lock tooth snap ring 901 and lock ring 904 by screw thread by device with
Pipe installing fastens, and is rotated further by valve rod 2, due to being helicitic texture inside lower end, therefore enables to connecting rod 11 to move upwards, enters
And moved upwards with movable valve plug 6 so that device penetrates, natural gas enters from air inlet 5, by valve element 6, into installed in
In check valve 10 inside gas outlet 8, the spring 1004 being arranged on pressure pin 1003 is promoted to shrink, and then baffle plate 1002 is pushed away
Open so that the phenomenon of air pressure deficiency, spring by valve body 1001, can occurs in natural gas if natural gas leaking occurs for device
1004 elongations promote baffle plate 1002 to close device automatically, improve the security of whole device, here it is the natural gas valve
Whole work process.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (5)
1. a kind of natural gas valve, including valve body（1）, sealing device（4）And valve element（6）, it is characterised in that：The valve body（1）
Middle part is provided with valve rod（2）, and valve rod（2）Upper end is provided with nut（3）, the sealing device（4）Upper end is fixed with valve rod
（2）, and sealing device（4）Positioned at valve body（1）Inside, the valve body（1）Right side is provided with air inlet（5）, the valve element（6）Under
End is provided with valve seat（7）, and valve element（6）Positioned at sealing device（4）Lower section, the valve element（6）Upper end is fixed with connecting rod（11）, and
Connecting rod（11）Upper end is provided with valve rod（2）, the valve body（1）Left side is provided with gas outlet（8）, and gas outlet（8）Inside is set
There is check valve（10）, the air inlet（5）And gas outlet（8）Outside is provided with conduit coupling（9）.
A kind of 2. natural gas valve according to claim 1, it is characterised in that：The valve element（6）Interior grooves height with
Valve seat（7）It is highly equal.
A kind of 3. natural gas valve according to claim 1, it is characterised in that：The conduit coupling（9）By lock tooth card
Ring（901）, sealing ring（902）, latch（903）And lock ring（904）Composition, and lock tooth snap ring（901）Right side is provided with sealing
Circle（902）, latch（903）Left side is provided with lock ring（904）, and lock tooth snap ring（901）Internal diameter is more than sealing ring（902）Outside
Footpath, lock tooth snap ring（901）Internal whorl and lock ring（904）Outside screw matches.
A kind of 4. natural gas valve according to claim 1, it is characterised in that：The check valve（10）Including valve body
（1001）, baffle plate（1002）, pressure pin（1003）And spring（1004）, and pressure pin（1003）Through baffle plate（1002）With valve body
（1001）It is connected, baffle plate（1002）Left side is provided with spring（1004）.
A kind of 5. natural gas valve according to claim 1, it is characterised in that：The connecting rod（11）At left and right sides of upper end
For concave structure, sealing device（4）It is convex structure inside upper end, and connecting rod（11）Concave structure profile chi at left and right sides of upper end
Very little and sealing device（4）Upper end inner convex construction profile size matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381434.XU CN206738650U (en) | 2017-04-12 | 2017-04-12 | A kind of natural gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381434.XU CN206738650U (en) | 2017-04-12 | 2017-04-12 | A kind of natural gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738650U true CN206738650U (en) | 2017-12-12 |
Family
ID=60559942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720381434.XU Active CN206738650U (en) | 2017-04-12 | 2017-04-12 | A kind of natural gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030383A (en) * | 2021-02-26 | 2021-06-25 | 王培谱 | Atmospheric environmental pollution monitoring device capable of being adaptively adjusted according to wind direction |
-
2017
- 2017-04-12 CN CN201720381434.XU patent/CN206738650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030383A (en) * | 2021-02-26 | 2021-06-25 | 王培谱 | Atmospheric environmental pollution monitoring device capable of being adaptively adjusted according to wind direction |
| CN113030383B (en) * | 2021-02-26 | 2023-08-08 | 山西齐云大数据环保科技有限公司 | Atmospheric environmental pollution monitoring device capable of performing self-adaptive adjustment according to wind direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A natural gas valve Effective date of registration: 20221230 Granted publication date: 20171212 Pledgee: Industrial and Commercial Bank of China Limited Yongjia sub branch Pledgor: ZHEJIANG GUANZHENG VALVE CO.,LTD. Registration number: Y2022330003725 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |