CN213330925U - Natural gas injection pipe - Google Patents
Natural gas injection pipe Download PDFInfo
- Publication number
- CN213330925U CN213330925U CN202021803727.0U CN202021803727U CN213330925U CN 213330925 U CN213330925 U CN 213330925U CN 202021803727 U CN202021803727 U CN 202021803727U CN 213330925 U CN213330925 U CN 213330925U
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- CN
- China
- Prior art keywords
- natural gas
- connecting plate
- hole
- tube head
- injection tube
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- 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
- 238000002347 injection Methods 0.000 title claims abstract description 79
- 239000007924 injection Substances 0.000 title claims abstract description 79
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000003345 natural gas Substances 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 24
- 239000007789 gas Substances 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000003245 coal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a natural gas technology field especially relates to a natural gas injection pipe, including the connecting plate, the middle part set screw hole of connecting plate, the upper portion threaded connection of connecting plate has the connector, the lower part threaded connection of connecting plate has the injection tube head, the through-hole has all been seted up to the both sides of injection tube head, the pressure hole has been seted up to the bottom of injection tube head, the outer wall of injection tube head has cup jointed the seal cover. The to-be-solved technical problem of the utility model is to use through the cooperation of parts such as seal cover, connecting hole and spring, make the natural gas injection pipe after closing the natural gas, make the through-hole dislocation on connecting hole and the injection tube head, avoided the leakage of gas, improve the gas tightness of injection pipe, promote the security performance of injection pipe, use through the cooperation of connecting plate, screw hole and injection tube head, rotate the injection tube head and can dismantle the injection tube head from the connecting plate, the convenient clearance to the injection tube head improves the result of use.
Description
Technical Field
The utility model relates to a natural gas technology field specifically is a natural gas injection pipe.
Background
Natural gas is stored in underground porous rock stratum, including oil field gas, gas field gas, coal bed gas, mud volcanic gas, biogenic gas and the like, and a small amount of natural gas is discharged from a coal bed and is high-quality fuel and chemical raw materials;
the prior patent (publication number: CN207470314U) discloses a natural gas injection pipe, which comprises an injection pipe, wherein one end of the injection pipe is provided with a joint, the other end of the injection pipe is closed, a plurality of through holes are arranged on the pipe wall close to the closed end of the injection pipe, the joint comprises a connecting disc and a connecting head, one side of the connecting disc is fixed with one end of the injection pipe, and the other side of the connecting disc is provided with the connecting head. The inventor finds that the following problems in the prior art are not solved in the process of realizing the scheme: 1. the through holes on the pipe wall of the jet pipe cannot be effectively sealed under the condition that natural gas is not used, natural gas leakage is easily caused, and certain potential safety hazards are caused; 2. this injection pipe passes through welded connection with the connector, and the injection pipe is inside can produce the dirt after long-time burning natural gas, and inconvenient clearance influences the result of use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a natural gas injection pipe has solved current partial natural gas injection pipe and can't accomplish effectual sealed and the inconvenient dismantlement clearance of partial injection pipe when not using.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a natural gas injection pipe comprises a connecting plate, a threaded hole is arranged in the middle of the connecting plate, a connector is connected with the upper part of the connecting plate in a threaded manner, the lower part of the connecting plate is in threaded connection with a jet pipe head, both sides of the jet pipe head are provided with through holes, the bottom of the injection pipe head is provided with a pressure hole, the outer wall of the injection pipe head is sleeved with a sealing sleeve, the two sides of the sealing sleeve are both provided with connecting holes, the two sides of the outer wall of the sealing sleeve are both fixedly connected with limiting blocks, a spring is fixedly connected between the top of the limiting block and the bottom of the connecting plate, an L-shaped plate is fixedly connected at one side of the bottom of the connecting plate, which is opposite to the two springs, the equal vertical strip groove of having seted up in both sides around the inner wall of seal cover, the equal vertical fixedly connected with bar shape piece in both sides around the injection tube head, the joint is mutually supported with the bar shape piece in the strip groove.
Further preferably, the through holes are vertically arranged on two sides of the injection pipe head at equal intervals.
Further preferably, the connecting holes are vertically arranged on two sides of the sealing sleeve at equal intervals, the diameter of each connecting hole is the same as that of each through hole, and the connecting holes are matched with the through holes.
More preferably, the pressure hole has a tapered cross section.
Further preferably, the distance from the bottom of the limiting block to the bottom of the L-shaped plate is the same as the diameter of the connecting hole, and the lower portion of the L-shaped plate is matched with the bottom of the limiting block.
Further preferably, the bottom fixedly connected with of seal cover inner wall is sealed fills up, the seal groove has been seted up along the circumference in pressure hole to the bottom of spraying the tube head, sealed pad and seal groove mutually support.
(III) advantageous effects
The utility model provides a natural gas injection pipe possesses following beneficial effect:
(1) the device uses through the cooperation of parts such as seal cover, connecting hole and spring, makes the natural gas injection pipe after closing the natural gas, through the pulling force of spring with the seal cover to the pulling of connecting plate direction, makes the through-hole dislocation on connecting hole and the injection tube head, has avoided the leakage of gas, improves the gas tightness of injection pipe, promotes the security performance of injection pipe.
(2) The device uses through the cooperation of connecting plate, screw hole and injection tube head, makes the natural gas injection pipe when the inside dirt of needs clearance, rotates the injection tube head and can dismantle the injection tube head from the connecting plate, and the convenience improves the result of use to the clearance of injection tube head, and the practicality is strong.
Drawings
FIG. 1 is a front sectional view of the overall structure of the present invention;
FIG. 2 is a bottom view of the position of the connection plate of the present invention;
fig. 3 is a cross-sectional view of the strip-shaped groove and the strip-shaped block of the present invention.
In the figure: 1, connecting a plate; 2, a threaded hole; 3, connecting heads; 4, a jet pipe head; 5, a through hole; 6 pressure holes; 7, sealing a sleeve; 8, connecting holes; 9 a limiting block; 10 springs; 11L-shaped plates; 12 strip-shaped grooves; 13 bar-shaped blocks; 14 a gasket; 15 seal the slots.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a natural gas injection pipe comprises a connecting plate 1, a threaded hole 2 is formed in the middle of the connecting plate 1, a connector 3 is in threaded connection with the upper portion of the connecting plate 1, an injection pipe head 4 is in threaded connection with the lower portion of the connecting plate 1, the injection pipe head 4 can be detached from the connecting plate 1 by rotating the injection pipe head 4, cleaning of the injection pipe head 4 is facilitated, the using effect is improved, through holes 5 are formed in two sides of the injection pipe head 4, the through holes 5 are vertically and equidistantly formed in two sides of the injection pipe head 4, a pressure hole 6 is formed in the bottom of the injection pipe head 4, the cross section of the pressure hole 6 is conical, one end with a large conical surface is located at the bottom of the injection pipe head 4, the extrusion effect of natural gas on a sealing sleeve 7 in the injection pipe head 4 is improved, the sealing sleeve 7 is sleeved on the outer wall of the injection pipe head 4, a, the sealing gasket 14 is matched with the sealing groove 15, the sealing effect between the sealing sleeve 7 and the injection tube head 4 is improved, connecting holes 8 are formed in two sides of the sealing sleeve 7, the connecting holes 8 are vertically and equidistantly formed in two sides of the sealing sleeve 7, the diameter of each connecting hole 8 is the same as that of each through hole 5, the connecting holes 8 are matched with the through holes 5, the maximum effect of allowing external air to enter the injection tube head 4 is achieved, natural gas is fully combusted, meanwhile, when the top of the sealing sleeve 7 is contacted with the bottom of the connecting plate 1, the through holes 5 are staggered with the connecting holes 8, the through holes 5 are sealed, gas leakage is avoided, the air tightness of the injection tube is improved, the safety performance of the injection tube is improved, limiting blocks 9 are fixedly connected to two sides of the outer wall of the sealing sleeve 7, springs 10 are fixedly connected between the tops of the limiting blocks 9 and the bottom of the connecting, stopper 9's bottom is the same with the diameter of connecting hole 8 to the distance of L template 11 bottom, L template 11's lower part is mutually supported with stopper 9's bottom, avoid through-hole 5 and connecting hole 8 to cause the dislocation when lining up through stopping through L template 11, improve the inside natural gas combustion effect of injection tube, the equal vertical bar groove 12 of having seted up in both sides around the inner wall of seal cover 7, the equal vertical fixedly connected with bar piece 13 in both sides around injection tube head 4, bar groove 12 and bar piece 13 joint of mutually supporting, seal cover 7 has been avoided rotating on injection tube head 4, promote the bulk density effect.
The working principle is as follows: when natural gas enters the inside of the injection tube head 4 from one end of the connector 3 through the connecting plate 1 in threaded connection, the air pressure inside the injection tube head 4 jacks up the sealing sleeve 7 sleeved outside through the pressure hole 6 formed in the bottom in the direction away from the connecting plate 1, at the moment, along with the gradual movement of the sealing sleeve 7, the connecting hole 8 formed in the sealing sleeve 7 is communicated with the through hole 5 formed in the injection tube head 4, at the moment, the outside air is filled into the inside of the injection tube head 4, so that the natural gas inside the injection tube head 4 can be fully combusted, after the natural gas is closed, because the air pressure inside the injection tube head 4 is reduced, the spring 10 fixedly connected to the bottom of the connecting plate 1 pulls the limiting block 9 fixedly connected to one end to move towards the bottom of the connecting plate 1, so that the top of the sealing sleeve 7 fixedly connected with the limiting block 9 gradually slides to, at the moment, the connecting hole 8 and the through hole 5 are staggered with each other, so that the through hole 5 in the injection pipe head 4 is blocked for sealing, the leakage of gas is avoided, the air tightness of the injection pipe is improved, and the safety performance of the injection pipe is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.
Claims (6)
1. A natural gas injection pipe, includes connecting plate (1), its characterized in that: a threaded hole (2) is formed in the middle of the connecting plate (1), the upper portion of the connecting plate (1) is in threaded connection with a connector (3), the lower portion of the connecting plate (1) is in threaded connection with a jet pipe head (4), through holes (5) are formed in two sides of the jet pipe head (4), and a pressure hole (6) is formed in the bottom of the jet pipe head (4);
a sealing sleeve (7) is sleeved on the outer wall of the injection tube head (4), connecting holes (8) are formed in two sides of the sealing sleeve (7), limiting blocks (9) are fixedly connected to two sides of the outer wall of the sealing sleeve (7), springs (10) are fixedly connected between the tops of the limiting blocks (9) and the bottom of the connecting plate (1), and L-shaped plates (11) are fixedly connected to the bottom of the connecting plate (1) on the opposite sides of the two springs (10);
the equal vertical strip groove (12) of having seted up in both sides around the inner wall of seal cover (7), the equal vertical fixedly connected with bar piece (13) in both sides around injection tube head (4), bar groove (12) and bar piece (13) mutually support the joint.
2. A natural gas injection lance as set forth in claim 1, wherein: the through holes (5) are arranged on two sides of the injection pipe head (4) at equal vertical intervals.
3. A natural gas injection lance as set forth in claim 1, wherein: the connecting holes (8) are vertically arranged on two sides of the sealing sleeve (7) at equal intervals, the diameter of each connecting hole (8) is the same as that of each through hole (5), and the connecting holes (8) are matched with the through holes (5) mutually.
4. A natural gas injection lance as set forth in claim 1, wherein: the cross section of the pressure hole (6) is conical.
5. A natural gas injection lance as set forth in claim 1, wherein: the distance from the bottom of the limiting block (9) to the bottom of the L-shaped plate (11) is the same as the diameter of the connecting hole (8), and the lower portion of the L-shaped plate (11) is matched with the bottom of the limiting block (9).
6. A natural gas injection lance as set forth in claim 1, wherein: the bottom fixedly connected with of seal cover (7) inner wall is sealed fills up (14), seal groove (15) have been seted up along the circumference of pressure hole (6) to the bottom of injection tube head (4), sealed pad (14) and seal groove (15) are mutually supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021803727.0U CN213330925U (en) | 2020-08-25 | 2020-08-25 | Natural gas injection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021803727.0U CN213330925U (en) | 2020-08-25 | 2020-08-25 | Natural gas injection pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213330925U true CN213330925U (en) | 2021-06-01 |
Family
ID=76099531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021803727.0U Active CN213330925U (en) | 2020-08-25 | 2020-08-25 | Natural gas injection pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213330925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639189A (en) * | 2021-08-23 | 2021-11-12 | 中船重工（邯郸）派瑞特种气体有限公司 | Collecting device of hexafluorobutadiene |
| CN114570706A (en) * | 2022-02-17 | 2022-06-03 | 黄铁相 | VR helmet is with removing dust and placing case |
-
2020
- 2020-08-25 CN CN202021803727.0U patent/CN213330925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639189A (en) * | 2021-08-23 | 2021-11-12 | 中船重工（邯郸）派瑞特种气体有限公司 | Collecting device of hexafluorobutadiene |
| CN114570706A (en) * | 2022-02-17 | 2022-06-03 | 黄铁相 | VR helmet is with removing dust and placing case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231025 Address after: 641400 The Sixth Society of Feima Village, Jiancheng, Jianyang City, Chengdu City, Sichuan Province (Shiliba Industrial Park) Patentee after: JIANYANG GREENFIR NEW ENERGY EQUIPMENT CO.,LTD. Address before: No. 1705, Unit 1, Building 7, No. 8 Gaoshengqiao South Street, Wuhou District, Chengdu, Sichuan Province, 610041 Patentee before: Chen Yuqing Effective date of registration: 20231025 Address after: No. 1705, Unit 1, Building 7, No. 8 Gaoshengqiao South Street, Wuhou District, Chengdu, Sichuan Province, 610041 Patentee after: Chen Yuqing Address before: No. 122, Gongye Avenue, Haizhu District, Guangzhou, Guangdong 510000 Patentee before: Feng Yongjian |
|
| TR01 | Transfer of patent right |