CN214534563U - Natural gas line safety valve - Google Patents

Natural gas line safety valve Download PDF

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Publication number
CN214534563U
CN214534563U CN202023153127.7U CN202023153127U CN214534563U CN 214534563 U CN214534563 U CN 214534563U CN 202023153127 U CN202023153127 U CN 202023153127U CN 214534563 U CN214534563 U CN 214534563U
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CN
China
Prior art keywords
plate
safety valve
adjusting plate
main part
natural gas
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Active
Application number
CN202023153127.7U
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Chinese (zh)
Inventor
杜小军
潘琦霞
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QUANZHOU GAS CO Ltd
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QUANZHOU GAS CO Ltd
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Priority to CN202023153127.7U priority Critical patent/CN214534563U/en
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Publication of CN214534563U publication Critical patent/CN214534563U/en
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Abstract

The utility model provides a natural gas pipeline safety valve, including main part, locking cap, pipeline, upper adjusting plate and lower adjusting plate, the inboard of locking cap is provided with the internal thread, the both ends of main part are provided with the screwed pipe, the one end of pipeline is installed in the screwed pipe through the limiting plate, the top and the bottom symmetry of the inboard of main part are provided with the slide bar, upper adjusting plate and lower adjusting plate pass through the through-hole slidable mounting on the slide bar, the central point department of the top of upper adjusting plate has the screw rod through axis of rotation movable mounting, the screw rod is installed on the main part through the sealing member, this natural gas pipeline safety valve conveniently fixes pipeline and main part through locking cap, can cushion the impact force that receives through the elastic rubber ring, prevents this safety valve from damaging, avoids the natural gas leakage, is provided with upper adjusting plate and lower adjusting plate, can carry out the decompression to the natural gas through manual and automatic two kinds of modes, simple structure.

Description

Natural gas line safety valve
Technical Field
The utility model relates to a natural gas valve technical field specifically is a natural gas line safety valve.
Background
The natural gas pipeline is a gas pipeline for conveying natural gas, and has the advantages of low transportation cost, small occupied area, quick construction, large oil and gas transportation amount, high safety performance, less transportation loss, small equipment maintenance amount, convenience in management and the like.
Therefore, the utility model provides a natural gas line safety valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural gas line safety valve to solve the problem that proposes in the above-mentioned background art, the utility model discloses a locking cap is convenient to be fixed pipeline and main part, can cushion the impact force that receives through the elastic rubber ring, prevents that this safety valve from damaging, decompresses through manual and automatic dual mode, simple structure.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a natural gas pipeline safety valve comprises a main body, a fixing cap, a pipeline, an upper adjusting plate and a lower adjusting plate, the inner side of the fixing cap is provided with internal threads, two ends of the main body are provided with threaded pipes, one end of the pipeline is arranged inside the threaded pipes through a limiting plate, the top and the bottom of the inner side of the main body are symmetrically provided with slide bars, the upper adjusting plate and the lower adjusting plate are slidably arranged on the slide bars through holes, a screw rod is movably arranged at the central position of the top of the upper adjusting plate through a rotating shaft and is arranged on the main body through a sealing element, an upper closing plate is arranged at the bottom of the upper adjusting plate in a welding mode, a clamping groove is formed in the bottom of the upper closing plate, the top of lower adjusting plate is with welded mode fixed mounting have lower closing plate, the top of closing plate is provided with the fixture block down, the bottom of lower adjusting plate passes through the bottom of spring fixed mounting in the inboard of main part.
As an optimized embodiment of the present invention, an elastic rubber ring is disposed between the limiting plate and the fixing cap.
As a preferred embodiment of the present invention, the pipe and the main body are fixed by a fixing cap, and the fixing cap is installed on the threaded pipe.
As a preferred embodiment of the present invention, the number of the sliding rods is 8, and the upper adjusting plate is disposed at the top of the lower adjusting plate.
As a preferred embodiment of the present invention, a hand wheel is fixedly mounted on the top of the screw rod in a welding manner.
As an optimized embodiment of the present invention, the fixture block is disposed under the slot, and the specification of the fixture block is the same as that of the slot.
The utility model has the advantages that: the utility model relates to a natural gas line safety valve passes through the locking cap convenience and fixes pipeline and main part, can cushion the impact force that receives through the elastic rubber ring, prevents that this safety valve from damaging, avoids the natural gas to leak, is provided with regulating plate and lower regulating plate, can decompress natural gas through manual and automatic dual mode, simple structure.
Drawings
Fig. 1 is a structure diagram of a safety valve of a natural gas pipeline according to the present invention;
fig. 2 is an enlarged view of a position a in fig. 1 of the safety valve for a natural gas pipeline of the present invention;
in the figure: 1. a main body; 2. a fixing cap; 3. a pipeline; 4. an elastic rubber ring; 5. an upper adjusting plate; 6. a lower adjustment plate; 7. a slide bar; 8. an upper closing plate; 9. a lower closure plate; 10. a spring; 11. a seal member; 12. a screw; 13. a hand wheel; 14. a through hole; 15. a card slot; 16. and (7) clamping blocks.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Please refer to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a natural gas pipeline safety valve, includes main part 1, locking cap 2, pipeline 3, goes up regulating plate 5 and lower regulating plate 6, the inboard of locking cap 2 is provided with the internal thread, the both ends of main part 1 are provided with the screwed pipe, the inside at the screwed pipe is installed through the limiting plate to the one end of pipeline 3, the top and the bottom symmetry of the inboard of main part 1 are provided with slide bar 7, it passes through-hole 14 slidable mounting on slide bar 7 with lower regulating plate 6 to go up regulating plate 5, the central point department of putting at the top of going up regulating plate 5 has screw rod 12 through axis of rotation movable mounting, screw rod 12 passes through sealing member 11 and installs on main part 1, go up regulating plate 5's bottom and install upper seal plate 8 with the welded mode, draw-in groove 15 has been seted up to upper seal plate 8's bottom, lower regulating plate 6's top has lower seal plate 9 with welded mode fixed mounting, the top of lower closing plate 9 is provided with fixture block 16, spring 10 fixed mounting is passed through in the bottom of the inboard of main part 1 in the bottom of regulating plate 6 down, is provided with regulating plate 5 and regulating plate 6 down, can decompress the natural gas through manual and automatic dual mode, and simple structure avoids this safety valve to damage.
As an optimized implementation manner of the utility model, be provided with elasticity rubber ring 4 between limiting plate and the locking cap 2, can cushion the impact that receives, prevent that natural gas from leaking.
As a preferred embodiment of the present invention, the pipe 3 and the main body 1 are fixed by the fixing cap 2, the fixing cap 2 is installed on the threaded pipe, and the pipe 3 and the main body 1 are conveniently fixed.
As a preferred embodiment of the utility model, the quantity of slide bar 7 is 8, go up regulating plate 5 and set up at the top of regulating plate 6 down, slide from top to bottom through slide bar 7 convenient last regulating plate 5 and lower regulating plate 6, carry on spacingly to last regulating plate 5 and lower regulating plate 6 simultaneously.
As an embodiment of the present invention, the top of the screw 12 is fixedly provided with a hand wheel 13 in a welding manner, and the hand wheel 13 drives the screw 12 to lift the upper adjusting plate 5.
As an optimal implementation manner of the utility model, fixture block 16 sets up under draw-in groove 15, fixture block 16 is the same with draw-in groove 15's specification, can seal the natural gas, conveniently maintains.
When the natural gas pipeline safety valve is used, the main body 1 is arranged between two pipelines 3 through a threaded pipe, one end of each pipeline 3 is arranged inside the threaded pipe through a limiting plate, the fixing cap 2 is arranged on the threaded pipe through an internal thread to fix the pipeline 3 and the main body 1, when natural gas needs to be cut off, the hand wheel 13 is rotated, the hand wheel 13 drives the screw rod 12, the screw rod 12 pushes the upper adjusting plate 5 through a rotating shaft, the upper adjusting plate 5 slides and descends on the sliding rod 7 through the through hole 14, the upper adjusting plate 5 drives the upper sealing plate 8, one end of the upper sealing plate 8 is contacted with the lower sealing plate 9 through the clamping groove 15 and the clamping block 16, the clamping block 16 is inserted into the clamping groove 15, the hand wheel 13 is continuously rotated, the lower adjusting plate 6 is pushed through the upper sealing plate 8 and the lower sealing plate 9, the lower adjusting plate 6 descends for a distance, the lower adjusting plate 6 compresses the spring 10 and slides on the sliding rod 7, when the natural gas pipeline safety valve is normally used, the hand wheel 13 is rotated reversely, the upper adjusting plate 5 is driven to ascend through the screw 12 and the rotating shaft, the upper closing plate 8 is separated from the lower closing plate 9, when the pressure of natural gas is increased, the natural gas impacts the lower closing plate 9 and the lower adjusting plate 6, the lower adjusting plate 6 compresses the spring 10, meanwhile, the natural gas pipeline safety valve slides and descends on the sliding rod 7 through the through hole 14, the action space of the natural gas is increased, the pressure is relieved, when the pressure of the natural gas is reduced, the lower adjusting plate 6 slides and ascends on the sliding rod 7 under the action of the spring 10, or the upper adjusting plate 5 is manually adjusted, the natural gas pipeline safety valve conveniently fixes the pipeline 3 and the main body 1 through the fixing cap 2, the impact force received by the elastic rubber ring 4 can be buffered, the safety valve is prevented from being damaged, the leakage of the natural gas is avoided, the upper adjusting plate 5 and the lower adjusting plate 6 are arranged, and the natural gas can be decompressed through two modes of manual operation and automatic operation, the structure is simple.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a natural gas pipeline safety valve, includes main part (1), locking cap (2), pipeline (3), goes up regulating plate (5) and lower regulating plate (6), its characterized in that, the inboard of locking cap (2) is provided with the internal thread, the both ends of main part (1) are provided with the screwed pipe, the inside at the screwed pipe is installed through the limiting plate to the one end of pipeline (3), the top and the bottom symmetry of the inboard of main part (1) are provided with slide bar (7), it has screw rod (12) through axis of rotation movable mounting to go up regulating plate (5) and lower regulating plate (6) through-hole (14) slidable mounting on slide bar (7), the central point department of putting at the top of going up regulating plate (5) has screw rod (12), screw rod (12) are installed on main part (1) through sealing member (11), go up the bottom of regulating plate (5) and install closing plate (8) with the welded mode, go up the bottom of closing plate (8) and seted up draw-in groove (15), closing plate (9) are down installed with welded mode fixed mounting at the top of lower adjusting plate (6), the top of closing plate (9) is provided with fixture block (16) down, the bottom of lower adjusting plate (6) is through the bottom of spring (10) fixed mounting in the inboard of main part (1).
2. A gas line safety valve as claimed in claim 1, wherein: an elastic rubber ring (4) is arranged between the limiting plate and the fixing cap (2).
3. A gas line safety valve as claimed in claim 1, wherein: the pipeline (3) and the main body (1) are fixed through a fixing cap (2), and the fixing cap (2) is installed on the threaded pipe.
4. A gas line safety valve as claimed in claim 1, wherein: the number of the sliding rods (7) is 8, and the upper adjusting plate (5) is arranged at the top of the lower adjusting plate (6).
5. A gas line safety valve as claimed in claim 1, wherein: and a hand wheel (13) is fixedly arranged at the top of the screw rod (12) in a welding manner.
6. A gas line safety valve as claimed in claim 1, wherein: the clamping block (16) is arranged right below the clamping groove (15), and the specifications of the clamping block (16) and the clamping groove (15) are the same.
CN202023153127.7U 2020-12-24 2020-12-24 Natural gas line safety valve Active CN214534563U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023153127.7U CN214534563U (en) 2020-12-24 2020-12-24 Natural gas line safety valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023153127.7U CN214534563U (en) 2020-12-24 2020-12-24 Natural gas line safety valve

Publications (1)

Publication Number Publication Date
CN214534563U true CN214534563U (en) 2021-10-29

Family

ID=78296122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023153127.7U Active CN214534563U (en) 2020-12-24 2020-12-24 Natural gas line safety valve

Country Status (1)

Country Link
CN (1) CN214534563U (en)

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