CN216242326U

CN216242326U - Valve control device for industrial gas pipeline

Info

Publication number: CN216242326U
Application number: CN202122736876.0U
Authority: CN
Inventors: 侯端权
Original assignee: Jiangsu Yueling Control Equipment Co ltd
Current assignee: Jiangsu Yueling Control Equipment Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-08
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a valve control device of an industrial gas pipeline, which comprises a valve body and pipelines arranged at two ends of the valve body, the valve body comprises a Z-shaped pipeline I and a Z-shaped pipeline II, a circular ring is arranged between the lower inner walls of the vertical ends of the pipeline I, a connecting cylinder is arranged above the second pipeline, a second threaded rod is arranged in the connecting cylinder, a rotary disc is arranged at the upper end of the second threaded rod, a circular disc is arranged at the lower end of the second threaded rod, the opposite side walls of the circular disc are provided with connecting blocks, the inner walls of the two pipelines are provided with slide rails matched with the connecting blocks, a vertical rod is arranged below the disc, a sealing block matched with the circular ring is arranged at the other end of the vertical rod, the pipeline is characterized in that opposite connecting plates are arranged in one horizontal side above the pipeline, horizontal rods are rotatably arranged between the connecting plates, and anti-backflow plates are arranged below the horizontal rods. The valve control device for the industrial gas pipeline can prevent backflow and is high in safety.

Description

Valve control device for industrial gas pipeline

Technical Field

The utility model relates to the technical field of valve control, in particular to a valve control device for an industrial gas pipeline.

Background

The fuel gas is a general term for gas fuel, and can be combusted to release heat for residents and industrial enterprises. The gas is of various types, mainly including natural gas, artificial gas, liquefied petroleum gas, methane and coal gas. The gas is used as clean energy, and is used as production energy by more and more industrial and commercial users under the background of national strong control of atmospheric pollution.

The valve of the existing industrial gas pipeline can only be used for opening and closing a pipeline passage or adjusting the medium flow in the pipeline, and the gas backflow phenomenon in a gas pipeline system can not be effectively prevented. Meanwhile, in the use process, whether the valves are completely closed or not can not be respectively determined, and gas leakage can occur, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a valve control device for an industrial gas pipeline, which can prevent backflow and has high safety.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a valve control device for an industrial gas pipeline comprises a valve body and pipelines arranged at two ends of the valve body, wherein the valve body comprises a Z-shaped pipeline I and a pipeline II fixed above the pipeline I, two ends of the pipeline I are matched with the pipeline, a plurality of threaded rods I are inserted between the pipeline I and the pipeline in the circumferential direction, nuts are arranged at two ends of each threaded rod in a matched mode, a circular ring is fixedly arranged between the inner walls below the vertical end of the pipeline I, a connecting cylinder communicated with the pipeline II is fixedly arranged above the pipeline II, threads are arranged on the inner wall of the connecting cylinder, the threaded rods II are arranged in the connecting cylinder in an inserted mode, a rotary table is fixedly connected to the upper ends of the threaded rods II, a disc positioned in the pipeline II is rotatably connected to the lower end of the threaded rods, a connecting block is fixedly arranged on the opposite side wall of the disc, a slide rail matched with the connecting block is arranged on the inner wall of the pipeline II in the vertical direction, the disc below fixed connection be equipped with vertical pole, the vertical pole other end stretch into in the pipeline one, the vertical pole be located the one end fixed connection in the pipeline one be equipped with ring complex sealed piece, the pipeline one lie in the fixed relative connecting plate that is equipped with of horizontal one side top inner wall of top, the connecting plate between rotate to connect and be equipped with the horizon bar, horizon bar below lateral wall fixed connection be equipped with and prevent the adverse current board, the connecting plate lateral wall be equipped with curved spacing groove along the circumferencial direction, the lateral wall fixed connection that prevents the adverse current board and be close to vertical pole be equipped with the body of rod of spacing groove complex.

As an improvement, the inner wall of the lower part of the pipeline is provided with a sealing ring sleeved outside the vertical rod.

As an improvement, the diameter of the lower part of the inner wall of the circular ring is smaller than that of the upper part of the inner wall of the circular ring, and the sealing block is of an inverted frustum structure matched with the inner wall of the circular ring.

As an improvement, the outer side wall of the upper part of the connecting cylinder is symmetrically provided with L-shaped rods, the lower part of the turntable is provided with a groove matched with the L-shaped rods, and the side wall of each L-shaped rod is provided with an indicator.

As an improvement, a limiting block is fixedly arranged on the inner wall of the upper portion of the first pipeline, which is positioned on one side, far away from the vertical rod, of the anti-backflow plate.

As an improvement, the limiting groove is of a three-quarter arc structure, and one end, close to the vertical rod, of the limiting groove is horizontal.

Compared with the prior art, the utility model has the advantages that: the valve control device of the industrial gas pipeline can effectively prevent gas from flowing backwards through the backflow prevention plate, meanwhile, the valve controls the opening and closing of the valve by rotating the turntable above the backflow prevention plate, and whether the valve is completely closed or not is checked through the indicator arranged on the L-shaped rod, so that gas leakage is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a valve control device of an industrial gas pipeline.

Fig. 2 is a schematic structural diagram of a second pipeline of the valve control device of the industrial gas pipeline.

Fig. 3 is a schematic structural diagram of an anti-backflow plate of the valve control device of the industrial gas pipeline.

As shown in the figure: 1. a valve body; 2. a pipeline; 3. a first threaded rod; 4. a nut; 5. a circular ring; 6. a connecting cylinder; 7. a second threaded rod; 8. a turntable; 9. a disc; 10. connecting blocks; 11. a slide rail; 12. a vertical rod; 13. a sealing block; 14. a connecting plate; 15. a horizontal bar; 16. an anti-backflow plate; 17. a limiting groove; 18. a rod body; 19. a seal ring; 20. an L-shaped rod; 21. a groove; 22. an indicator mark; 23. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine attached 1-3, an industry gas pipeline valve controlling means, include valve body 1 and set up pipeline 2 at valve body 1 both ends, valve body 1 include the pipeline one of zigzag and fix the pipeline two in pipeline one top, pipeline both ends cooperate with pipeline 2, pipeline one and pipeline 2 between peg graft along the circumferencial direction and be equipped with a plurality of threaded rods one 3, the cooperation of 3 both ends of threaded rod one be equipped with nut 4, fix the position between valve body 1 and the pipeline 2 through the nut 4 of screwing up 3 both ends of threaded rod.

The pipeline comprises a pipeline I, a circular ring 5 is fixedly arranged between the inner walls below the vertical end of the pipeline I, a connecting cylinder 6 communicated with the upper portion of the pipeline II is fixedly arranged above the pipeline II, threads are arranged on the inner walls of the connecting cylinder 6, a threaded rod II 7 is arranged in the connecting cylinder 6 in an inserting mode in a rotating mode, a rotary table 8 is fixedly connected to the upper end of the threaded rod II 7, a disc 9 positioned in the pipeline II is rotatably connected to the lower end of the threaded rod II, a connecting block 10 is fixedly arranged on the disc 9, a sliding rail 11 matched with the connecting block 10 is arranged on the inner wall of the pipeline II in the vertical direction, a vertical rod 12 is fixedly connected to the lower portion of the disc 9, the other end of the vertical rod 12 extends into the pipeline I, a sealing block 13 matched with the circular ring 5 is fixedly connected to one end of the vertical rod 12 positioned in the pipeline I, the threaded rod II 7 is rotated by rotating the rotary table 8, the threaded rod II 7 rotates downwards in the connecting cylinder 6, the side wall of the disc 9 rotatably connected below the second threaded rod 7 is provided with a connecting block 10, and the connecting block 10 is positioned in a vertical sliding rail 11, so that the disc 9 cannot rotate under the limitation of the sliding rail 11, and only moves downwards along with the second threaded rod 7, and a sealing block 13 below is inserted into the ring 5.

The diameter of 5 inner walls of ring below be less than the diameter of top, sealed piece 13 be with 5 inner walls of ring complex radius frustum structure, make sealed piece 13 can closely peg graft with ring 5, avoid leaking.

The inner wall of the lower part of the pipeline is provided with a sealing ring 19 which is sleeved outside the vertical rod 12, so that the gas is prevented from seeping out of the second pipeline.

The pipeline is characterized in that opposite connecting plates 14 are fixedly arranged on the upper inner wall of one horizontal side above the pipeline, a horizontal rod 15 is rotatably connected between the connecting plates 14, an anti-backflow plate 16 is fixedly connected to the side wall below the horizontal rod 15, an arc-shaped limiting groove 17 is formed in the side wall of the connecting plate 14 along the circumferential direction, a rod body 18 matched with the limiting groove 17 is fixedly connected to the side wall of the anti-backflow plate 16 close to the vertical rod 12, the limiting groove 17 is of a three-quarter arc structure, one end of the limiting groove 17 close to the vertical rod 12 is horizontal, the rotation angle of the anti-backflow plate 16 is limited by the limiting groove 17, and when the rod body 18 moves to the horizontal end of the limiting groove 17, the anti-backflow plate 16 is in a vertical state.

And a limiting block 23 is fixedly arranged on the inner wall of the first pipeline, which is positioned above one side of the anti-backflow plate 16, which is far away from the vertical rod 12, so that the rotation angle of the anti-backflow plate 16 is further limited.

Connecting cylinder 6 top lateral wall symmetry be equipped with L shape pole 20, carousel 8 below be equipped with L shape pole 20 complex recess 21, L shape pole 20 lateral wall be equipped with indicator 22 for whether closely peg graft in ring 5 of looking over sealed piece 13, look over promptly whether the valve is closed completely, avoid the gas to leak.

When the valve control device is implemented specifically, the valve control device for the industrial gas pipeline is characterized in that a valve body 1 and a pipeline 2 are butted and can be inserted into a corresponding threaded rod I3, nuts 4 at two ends of the threaded rod I are screwed for fixing, the valve body 1 comprises a pipeline I and a pipeline II, a ring 5 is arranged in the pipeline I, a rotary table 8 above the valve body 1 is rotated to enable a threaded rod II 7 to rotate, the threaded rod II 7 rotates downwards in a connecting cylinder 6, a connecting block 10 is arranged on the side wall of a disc 9 rotatably connected below the threaded rod II 7, and the connecting block 10 is positioned in a vertical sliding rail 11 in the pipeline II, so that the disc 9 cannot rotate under the limitation of the sliding rail 11 and only moves downwards along with the threaded rod II 7, a sealing block 13 below the sealing block is inserted into the ring 5, and the opening and closing of the valve can be controlled.

Meanwhile, the inner wall of the horizontal side of the upper part of the pipeline is fixedly provided with opposite connecting plates 14, horizontal rods 15 are rotatably connected between the connecting plates 14, the side wall below the horizontal rods 15 is fixedly connected with an anti-backflow plate 16, the side wall of the connecting plates 14 is provided with arc-shaped limiting grooves 17 along the circumferential direction, the side wall of the anti-backflow plate 16 close to the vertical rod 12 is fixedly connected with a rod body 18 matched with the limiting grooves 17, the limiting grooves 17 are of a three-quarter arc structure, one end of the limiting groove 17 close to the vertical rod 12 is horizontal, the rotation angle of the anti-backflow plate 16 is limited by the limiting grooves 17, when the rod body 18 moves to one end of the limiting groove 17, the anti-backflow plate 16 is in a vertical state, the inner wall of the upper part of the pipeline, which is positioned at one side of the anti-backflow plate 16 far away from the vertical rod 12, is fixedly provided with a limiting block 23, the rotation angle of the anti-backflow plate 16 is further limited, so that the anti-backflow plate 16 can only rotate towards one side far away from the vertical rod 12, avoiding the gas from flowing backwards.

Simultaneously, connecting cylinder 6 top lateral wall symmetry is equipped with L shape pole 20, and carousel 8 below is equipped with L shape pole 20 complex recess 21, and L shape pole 20 lateral wall is equipped with indicator 22 for whether closely peg graft in ring 5 of looking over sealed piece 13, look over promptly whether the valve is closed completely, avoid the gas to leak.

Furthermore, the diameter of the lower part of the inner wall of the ring 5 is smaller than that of the upper part, and the sealing block 13 is of an inverted frustum structure matched with the inner wall of the ring 5, so that the sealing block 13 can be tightly inserted into the ring 5; the inner wall of the lower part of the pipeline is provided with a sealing ring 19 which is sleeved outside the vertical rod 12, so that the gas is prevented from seeping out of the second pipeline.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an industry gas pipeline valve control device, includes valve body (1) and sets up pipeline (2) at valve body (1) both ends, its characterized in that: the valve body (1) comprises a Z-shaped pipeline I and a pipeline II fixed above the pipeline I, two ends of the pipeline I are matched with the pipeline (2), a plurality of threaded rods I (3) are inserted into the pipeline I and the pipeline (2) along the circumferential direction, nuts (4) are arranged at two ends of the threaded rods I (3) in a matching mode, a circular ring (5) is fixedly arranged between the inner walls of the lower part of the vertical end of the pipeline I, a connecting cylinder (6) communicated with the upper part of the pipeline II is fixedly arranged on the upper part of the pipeline II, threads are arranged on the inner wall of the connecting cylinder (6), a threaded rod II (7) is arranged in the connecting cylinder (6) in an inserting mode, a rotary disc (8) is fixedly connected to the upper end of the threaded rod II (7), a disc (9) located in the pipeline II is rotatably connected to the lower end of the lower part of the connecting cylinder, and a connecting block (10) is fixedly arranged on the opposite side wall of the disc (9), the inner wall of the second pipeline is provided with a sliding rail (11) matched with the connecting block (10) along the vertical direction, a vertical rod (12) is fixedly connected below the disc (9), the other end of the vertical rod (12) extends into the first pipeline, one end of the vertical rod (12) positioned in the first pipeline is fixedly connected with a sealing block (13) matched with the circular ring (5), the inner wall of the upper part of the horizontal side of the pipeline above is fixedly provided with a relative connecting plate (14), horizontal rods (15) are rotatably connected between the connecting plates (14), an anti-backflow plate (16) is fixedly connected with the side wall below the horizontal rods (15), the side wall of the connecting plate (14) is provided with an arc-shaped limiting groove (17) along the circumferential direction, the side wall of the anti-backflow plate (16) close to the vertical rod (12) is fixedly connected with a rod body (18) matched with the limiting groove (17).

2. The valve control device of the industrial gas pipeline as claimed in claim 1, wherein: and a sealing ring (19) sleeved on the outer side of the vertical rod (12) is arranged on the inner wall at the lower part of the pipeline.

3. The valve control device of the industrial gas pipeline as claimed in claim 1, wherein: the diameter of the lower part of the inner wall of the circular ring (5) is smaller than that of the upper part, and the sealing block (13) is of an inverted circular truncated cone structure matched with the inner wall of the circular ring (5).

4. The valve control device of the industrial gas pipeline as claimed in claim 1, wherein: connecting cylinder (6) top lateral wall symmetry be equipped with L shape pole (20), carousel (8) below be equipped with L shape pole (20) complex recess (21), L shape pole (20) lateral wall be equipped with indicateing sign (22).

5. The valve control device of the industrial gas pipeline as claimed in claim 1, wherein: and a limiting block (23) is fixedly arranged on the inner wall of the upper part of the first pipeline, which is positioned on one side of the anti-backflow plate (16) far away from the vertical rod (12).

6. The valve control device of the industrial gas pipeline as claimed in claim 1, wherein: the limiting groove (17) is of a three-quarter arc structure, and one end, close to the vertical rod (12), of the limiting groove (17) is horizontal.