阅读说明：本技术 一种结构灵活的便于调向的天然气管道 (Flexible-structure natural gas pipeline convenient to adjust direction ) 是由 葛军 于 2020-05-19 设计创作，主要内容包括：本发明涉及一种结构灵活的便于调向的天然气管道,包括第一横管、U形管、连接装置和第二横管,连接装置包括保护壳、伸缩软管、竖管、密封机构和调节机构,调节机构包括环形燕尾槽、滑块、套管、螺杆和连接组件,密封机构包括螺纹管、密封圈、圆环和两个固定组件,圆环的外周设有若干周向均匀分布的凸齿,固定组件包括弹性单元和锯齿块,该结构灵活的便于调向的天然气管道通过调节机构和伸缩软管方便调节第二横管的高度位置和输气方向,满足现场安装需要,加强适应能力,不仅如此,利用密封机构堵住第二开孔,使保护壳内部密封,保护其内部的伸缩软管,保证天然气安全输送,提高了设备的实用性。(The invention relates to a natural gas pipeline with a flexible structure and convenient direction adjustment, which comprises a first transverse pipe, a U-shaped pipe, a connecting device and a second transverse pipe, wherein the connecting device comprises a protective shell, a flexible hose, a vertical pipe, a sealing mechanism and an adjusting mechanism, the adjusting mechanism comprises an annular dovetail groove, a sliding block, a sleeve pipe, a screw rod and a connecting assembly, the sealing mechanism comprises a threaded pipe, a sealing ring, a circular ring and two fixing assemblies, a plurality of circumferentially and uniformly distributed convex teeth are arranged on the periphery of the circular ring, each fixing assembly comprises an elastic unit and a sawtooth block, the height position and the gas transmission direction of the second transverse pipe can be conveniently adjusted by the flexible natural gas pipeline with the direction adjustment through the adjusting mechanism and the flexible hose, the field installation requirement is met, the adaptability is enhanced, the sealing mechanism is utilized to block a second opening hole, the interior of the protective shell is sealed, the flexible hose in the, the practicability of the equipment is improved.)

1. The utility model provides a flexible structure is convenient for turn to natural gas line which characterized in that: comprises a first horizontal pipe (1), a U-shaped pipe (2), a connecting device and a second horizontal pipe (3), the first transverse pipe (1) is fixedly connected with one end of the U-shaped pipe (2), the other end of the U-shaped pipe (2) is connected with the second transverse pipe (3) through the connecting device, the connecting device comprises a protective shell (4), a flexible hose (5), a vertical pipe (6), a sealing mechanism and an adjusting mechanism, the upper side and the lower side of the protective shell (4) are respectively provided with a first opening and a second opening, the periphery of one end of the U-shaped pipe (2) far away from the first transverse pipe (1) is fixed in the first opening, the U-shaped pipe (2) is communicated with the second horizontal pipe (3) through a telescopic hose (5) and a vertical pipe (6) in sequence, the vertical pipe (6) is positioned on the inner side of the second opening, and the second transverse pipe (3) is connected with the protective shell (4) through the adjusting mechanism;

the adjusting mechanism comprises an annular dovetail groove (7), a sliding block (8), a sleeve (9), a screw rod (10) and a connecting assembly, the dovetail groove (7) is fixed on the periphery of the protective shell (4), the sliding block (8) is in sliding connection with the dovetail groove (7), the sliding block (8) is fixedly connected with the sleeve (9), the sleeve (9) is in threaded connection with the screw rod (10), and the screw rod (10) is connected with the second transverse pipe (3) through the connecting assembly;

sealing mechanism includes screwed pipe (11), sealing washer (12), ring (13) and two fixed subassemblies, the inboard of screw ring with the periphery threaded connection of standpipe (6), the screw ring is fixed in sealing washer (12), ring (13) are fixed in the below of sealing washer (12), the periphery of ring (13) is equipped with a plurality of circumference evenly distributed's dogtooth (14), and two fixed subassemblies are located respectively the both sides of second trompil, fixed subassembly includes elastic unit and sawtooth piece (15), sawtooth piece (15) support and lean on dogtooth (14), sawtooth piece (15) pass through elastic unit with the below of protective housing (4) is connected.

2. The structurally flexible, steerable natural gas pipeline as recited in claim 1, wherein: coupling assembling includes disc (16) and annular slide (28), slide (28) are fixed in the top of violently managing (3) of second, the periphery of disc (16) with slide (28) sliding connection, disc (16) are fixed in the bottom of screw rod (10).

3. The structurally flexible, steerable natural gas pipeline as recited in claim 2, wherein: a plurality of balance blocks (17) are arranged on the upper side and the lower side of the disc (16), and the balance blocks (17) on the upper side and the lower side of the disc (16) are respectively abutted against the top and the bottom in the slide way (28).

4. The structurally flexible, steerable natural gas pipeline as recited in claim 3, wherein: one side of the balance block (17) far away from the disc (16) is provided with a notch, a ball (18) matched with the notch is arranged in the notch, the center of the ball (18) is positioned in the notch, and the ball (18) abuts against the inner wall of the slide way (28).

5. The structurally flexible, steerable natural gas pipeline as recited in claim 1, wherein: and a convex rod (19) is arranged on the periphery of the screw rod (10).

6. The structurally flexible, steerable natural gas pipeline as recited in claim 1, wherein: elastic unit includes fixed plate (20), spring (21), slide bar (22) and pulling frame (23), fixed plate (20) are fixed in the below of protective housing (4), sawtooth piece (15) are connected with fixed plate (20) through spring (21) of compression state, pull frame (23) and pass through slide bar (22) with sawtooth piece (15) are connected, fixed plate (20) cover is established on slide bar (22).

7. The structurally flexible, steerable natural gas pipeline as recited in claim 6, wherein: the elastic unit further comprises an insertion rod (24), a transverse plate (25) and a convex plate (26), wherein the transverse plate (25) is fixed on the periphery of the protective shell (4), the transverse plate (25) is sleeved on the insertion rod (24), and the convex plate (26) is located at the top of the insertion rod (24).

8. The structurally flexible, steerable natural gas pipeline as recited in claim 7, wherein: and a limiting plate (27) fixed above the protective shell (4) is arranged above the convex plate (26).

9. The structurally flexible, steerable natural gas pipeline of claim 6 or 7, characterized in that: the bottom of the inserted rod (24) is hemispherical.

10. The structurally flexible, steerable natural gas pipeline as recited in claim 1, wherein: the shape of sealing washer (12) is the circular cone cylindricality, the external diameter at the top of sealing washer (12) is less than the internal diameter of second trompil, the external diameter of the bottom of sealing washer (12) is greater than the internal diameter of second trompil.

Technical Field

The invention relates to the field of fuel gas supply, in particular to a natural gas pipeline which is flexible in structure and convenient to adjust direction.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, and is a way for conveying a large amount of natural gas on land. Natural gas pipelines account for about half of the total pipeline length in the world.

Disclosure of Invention

Aiming at the prior art, the technical problems to be solved by the invention are as follows: in order to overcome the defects of the prior art, the natural gas pipeline which is flexible in structure and convenient to adjust direction is provided.

In order to solve the technical problems, the technical scheme adopted by the invention for solving the technical problems is as follows: a natural gas pipeline with a flexible structure and convenience in direction adjustment comprises a first transverse pipe, a U-shaped pipe, a connecting device and a second transverse pipe, wherein the first transverse pipe is fixedly connected with one end of the U-shaped pipe, the other end of the U-shaped pipe is connected with the second transverse pipe through the connecting device, the connecting device comprises a protective shell, a telescopic hose, a vertical pipe, a sealing mechanism and an adjusting mechanism, the upper side and the lower side of the protective shell are respectively provided with a first opening and a second opening, the periphery of one end, far away from the first transverse pipe, of the U-shaped pipe is fixed in the first opening, the U-shaped pipe is communicated with the second transverse pipe through the telescopic hose and the vertical pipe in sequence, the vertical pipe is located on the inner side of the second opening, and the second transverse pipe is connected with the protective;

the adjusting mechanism comprises an annular dovetail groove, a sliding block, a sleeve, a screw rod and a connecting assembly, the dovetail groove is fixed on the periphery of the protective shell, the sliding block is in sliding connection with the dovetail groove, the sliding block is fixedly connected with the sleeve, the sleeve is in threaded connection with the screw rod, and the screw rod is connected with a second transverse pipe through the connecting assembly;

sealing mechanism includes screwed pipe, sealing washer, ring and two fixed subassemblies, the inboard of screw ring with the periphery threaded connection of standpipe, the screw ring is fixed in the sealing washer, the ring is fixed in the below of sealing washer, the periphery of ring is equipped with a plurality of circumference evenly distributed's dogtooth, and two fixed subassemblies are located respectively the both sides of second trompil, fixed subassembly includes elastic element and sawtooth piece, the sawtooth piece supports and leans on the dogtooth, the sawtooth piece pass through elastic element with the below of protective housing is connected.

Preferably, for connecting horizontal pipe of second and screw rod, coupling assembling includes disc and annular slide, the slide is fixed in the top of horizontal pipe of second, the periphery of disc with slide sliding connection, the disc is fixed in the bottom of screw rod.

Preferably, in order to facilitate the relatively stable rotation of the disc and the slide, a plurality of balance blocks are arranged on the upper side and the lower side of the disc, and the balance blocks on the upper side and the lower side of the disc respectively abut against the top and the bottom in the slide.

Preferably, in order to facilitate the rotation of the disc, a notch is formed in one side, away from the disc, of the balance weight, a ball matched with the notch is arranged in the notch, the center of the ball is located in the notch, and the ball abuts against the inner wall of the slide way.

Preferably, in order to facilitate the rotation of the screw, a protruding rod is arranged on the periphery of the screw.

Preferably, in order to enable the sawtooth block to abut against the convex teeth, the elastic unit comprises a fixed plate, a spring, a sliding rod and a pulling frame, the fixed plate is fixed below the protective shell, the sawtooth block is connected with the fixed plate through the spring in a compressed state, the pulling frame is connected with the sawtooth block through the sliding rod, and the fixed plate is sleeved on the sliding rod.

As preferred, in order to facilitate the position of fixed pulling frame, the elastic unit still includes inserted bar, diaphragm and flange, the diaphragm is fixed in the periphery of protective housing, the diaphragm cover is established on the inserted bar, the flange is located the top of inserted bar.

Preferably, a limiting plate fixed above the protective shell is arranged above the convex plate for preventing the inserted rod from separating from the transverse plate.

Preferably, in order to facilitate the insertion rod to pass through the pull frame, the bottom of the insertion rod is hemispherical.

Preferably, in order to ensure the sealing performance at the second opening hole at the lower part of the protective shell, the sealing ring is in a conical cylinder shape, the outer diameter of the top part of the sealing ring is smaller than the inner diameter of the second opening hole, and the outer diameter of the bottom part of the sealing ring is larger than the inner diameter of the second opening hole.

The natural gas pipeline with the flexible structure and convenient direction adjustment has the advantages that the height position and the gas transmission direction of the second transverse pipe can be conveniently adjusted through the adjusting mechanism and the telescopic hose, the field installation requirement is met, the adaptability is enhanced, moreover, the sealing mechanism is utilized to block the second open hole, the interior of the protective shell is sealed, the telescopic hose in the protective shell is protected, the safe transmission of natural gas is ensured, and the practicability of the equipment is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a flexible, easy-to-turn natural gas pipeline of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of section C of FIG. 1;

in the figure: 1. the device comprises a first transverse pipe, a U-shaped pipe, a second transverse pipe, a protective shell, a telescopic hose, a vertical pipe, a dovetail groove, a sliding block, a sleeve pipe, a screw rod, a threaded pipe, a sealing ring, a convex tooth, a sawtooth block, a disc, a balance weight, a ball, a convex rod, a fixing plate, a spring, a sliding rod, a pulling frame, an inserting rod, a transverse plate, a convex plate, a limiting plate, a sliding rail and a sliding rail, wherein the transverse pipe comprises 2 parts, the U-shaped pipe, 3 parts, the second transverse pipe, 4 parts, the protective shell, 5 parts, the telescopic hose, 6 parts, the vertical pipe, 7 parts, the dovetail groove.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a natural gas pipeline with flexible structure and convenient direction adjustment comprises a first horizontal pipe 1, a U-shaped pipe 2, a connecting device and a second horizontal pipe 3, the first transverse pipe 1 is fixedly connected with one end of the U-shaped pipe 2, the other end of the U-shaped pipe 2 is connected with the second transverse pipe 3 through the connecting device, the connecting device comprises a protective shell 4, a flexible hose 5, a vertical pipe 6, a sealing mechanism and an adjusting mechanism, the upper side and the lower side of the protective shell 4 are respectively provided with a first opening and a second opening, the periphery of one end of the U-shaped pipe 2 far away from the first transverse pipe 1 is fixed in the first opening, the U-shaped pipe 2 is communicated with a second transverse pipe 3 sequentially through a telescopic hose 5 and a vertical pipe 6, the vertical pipe 6 is positioned on the inner side of the second opening, and the second transverse pipe 3 is connected with the protective shell 4 through the adjusting mechanism;

this natural gas line connecting device is violently managed 1 by the first, the second is violently managed 3, U-shaped pipe 2 and connecting device constitute, among the connecting device, characteristic through 5 scalable deformations of telescopic hose, make things convenient for standpipe 6 to rotate and lift movement, it carries out lift movement and regulation rotation through adjustment mechanism to so be convenient for the second violently manage 3 through adjustment mechanism, and then arrange the second according to the on-the-spot needs nimble angular position of violently managing 3, and simultaneously, utilize sealing mechanism to seal the second trompil, make the telescopic hose 5 of 4 insides of protective housing be in confined isolation environment, avoid laying and receive the corruption or wet behind the underground, influence the transport of natural gas.

As shown in fig. 1 and 4, the adjusting mechanism includes an annular dovetail groove 7, a slider 8, a sleeve 9, a screw 10 and a connecting assembly, the dovetail groove 7 is fixed on the periphery of the protective shell 4, the slider 8 is slidably connected with the dovetail groove 7, the slider 8 is fixedly connected with the sleeve 9, the sleeve 9 is in threaded connection with the screw 10, and the screw 10 is connected with the second transverse pipe 3 through the connecting assembly;

among the adjustment mechanism, dovetail 7 is the annular, be convenient for slider 8 slides round dovetail 7, slider 8 is convenient for drive the second through screw rod 10 and sleeve pipe 9 and violently manages 3 rotations, the gas transmission direction of violently managing 3 of regulation second, and screw rod 10 can be at the internal rotation of sleeve pipe 9, the helicitic texture through screw rod 10 and sleeve pipe 9 makes screw rod 10 and sleeve pipe 9's distance change, 3 lifting movement are violently managed to screw rod 10 accessible coupling assembling drive second, make things convenient for simultaneously that screw rod 10 and second violently manage 3 between the emergence rotation, thus, through convenient high position and the angle direction of the violently managing 3 of adjustment second of adjustment mechanism.

As shown in fig. 2-3, the sealing mechanism includes a threaded pipe 11, a sealing ring 12, a ring 13 and two fixing assemblies, the inner side of the threaded ring is in threaded connection with the periphery of the vertical pipe 6, the threaded ring is fixed in the sealing ring 12, the ring 13 is fixed below the sealing ring 12, a plurality of circumferentially uniformly distributed convex teeth 14 are arranged on the periphery of the ring 13, the two fixing assemblies are respectively located on two sides of the second opening, each fixing assembly includes an elastic unit and a sawtooth block 15, the sawtooth block 15 abuts against the convex teeth 14, and the sawtooth block 15 is connected with the lower portion of the protective shell 4 through the elastic unit.

After adjusting the position of the second horizontal pipe 3, the threaded pipe 11 is driven to rotate around the threaded connection part of the vertical pipe 6 through the sealing ring 12, the sealing ring 12 moves upwards, a gap between the vertical pipe 6 and the second opening is filled, the inside of the protective shell 4 is sealed, after the second opening is blocked by the sealing ring 12, the elastic unit in the fixed assembly acts on the sawtooth block 15, the sawtooth block 15 is abutted against the convex teeth 14 of the circular ring 13, the sealing ring 12 is prevented from rotating, the position of the sealing ring 12 is fixed in this way, the protective shell 4 is internally sealed, and the telescopic hose 5 is prevented from being corroded and damaged.

Preferably, in order to connect the second cross tube 3 and the screw 10, the connecting assembly comprises a disc 16 and an annular slide 28, the slide 28 is fixed above the second cross tube 3, the outer periphery of the disc 16 is slidably connected with the slide 28, and the disc 16 is fixed at the bottom end of the screw 10. The annular slide 28 fixed on the second transverse pipe 3 is used for facilitating the rotation of the disc 16, so that the relative rotation of the second transverse pipe 3 and the screw 10 is facilitated, and when the screw 10 moves up and down, the annular slide 28 is driven by the disc 16 to move up and down, so that the second transverse pipe 3 moves up and down synchronously.

Preferably, in order to facilitate the relative stable rotation of the disc 16 and the slide 28, a plurality of balance weights 17 are disposed on both upper and lower sides of the disc 16, and the balance weights 17 on both upper and lower sides of the disc 16 respectively abut against the top and bottom of the slide 28. The balance weight 17 is abutted against the top and the bottom in the slideway 28, so that the disc 16 is prevented from shaking in the slideway 28, and the disc 16 and the slideway 28 can rotate stably relative to each other.

Preferably, in order to facilitate the rotation of the disc 16, a recess is provided on a side of the counterweight 17 away from the disc 16, a ball 18 matched with the recess is provided in the recess, a center of the ball 18 is located in the recess, and the ball 18 abuts against an inner wall of the slide 28. By contacting the balls 18 in the recess of the counterweight 17 with the inner wall of the slide 28, the balls 18 can roll in the recess, reducing the friction experienced by the disc 16 when it rotates.

Preferably, a protruding rod 19 is disposed on the outer circumference of the screw 10 to facilitate the rotation of the screw 10. Here, the protruding rod 19 can be used as a handle to increase the torque of the rotation of the screw 10, thereby facilitating the rotation of the screw 10.

As shown in fig. 3, the elastic unit includes a fixed plate 20, a spring 21, a sliding rod 22 and a pulling frame 23, the fixed plate 20 is fixed below the protective shell 4, the sawtooth block 15 is connected to the fixed plate 20 through the spring 21 in a compressed state, the pulling frame 23 is connected to the sawtooth block 15 through the sliding rod 22, and the fixed plate 20 is sleeved on the sliding rod 22.

In the elastic unit, the position of the fixed plate 20 is fixed relative to the protective shell 4, the spring 21 in a compressed state acts on the sawtooth block 15, so that the sawtooth block 15 abuts against the convex teeth 14 of the circular ring 13, the sawtooth block 15 is pulled to move close to the fixed plate 20 along the axis of the sliding rod 22 by pulling the frame 23, and the sealing ring 12 and the threaded pipe 11 are convenient to rotate after the sawtooth block 15 is separated from the convex teeth 14.

Preferably, in order to fix the position of the pulling frame 23, the elastic unit further includes an insertion rod 24, a horizontal plate 25 and a protruding plate 26, the horizontal plate 25 is fixed to the periphery of the protective shell 4, the horizontal plate 25 is sleeved on the insertion rod 24, and the protruding plate 26 is located at the top of the insertion rod 24. When the sealing ring 12 needs to be rotated, the convex plate 26 is used for driving the insertion rod 24 to move upwards, then the pulling frame 23 is moved to the lower part of the insertion rod 24, the insertion rod 24 is aligned with the pulling frame 23, and then the convex plate 26 is loosened, so that the insertion rod 24 moves downwards and is inserted into the pulling frame 23, and the position of the pulling frame 23 is fixed.

Preferably, a stopper plate 27 fixed above the protective shell 4 is provided above the protruding plate 26 to prevent the insertion rod 24 from being separated from the horizontal plate 25. The limiting plate 27 limits the upward movement distance of the insertion rod 24, and prevents the insertion rod 24 from separating from the transverse plate 25.

Preferably, in order to facilitate the insertion rod 24 to pass through the pulling frame 23, the bottom of the insertion rod 24 is formed in a hemispherical shape. The hemispherical design is adopted, so that the size of the bottom of the inserting rod 24 is reduced, and the inserting rod 24 can conveniently penetrate through the pulling frame 23.

Preferably, in order to ensure the sealing performance at the second opening of the lower part of the protective casing 4, the sealing ring 12 is in the shape of a conical cylinder, the outer diameter of the top of the sealing ring 12 is smaller than the inner diameter of the second opening, and the outer diameter of the bottom of the sealing ring 12 is larger than the inner diameter of the second opening. By adopting the sealing ring 12 with the shape, after the top of the sealing ring 12 extends into the second opening, the sealing ring 12 moves upwards, so that the periphery of the sealing ring 12 abuts against the inner wall of the second opening to block the second opening.

This natural gas conveying pipeline is in the installation, utilize the characteristic of bellows 5, the second of being convenient for is violently managed 3 and is makeed the regulation, through slider 8 and dovetail 7, make things convenient for the second to violently manage 3 rotations, adjust the gas transmission direction, and utilize screw rod 10 and sleeve pipe 9's cooperation, the convenient high position of violently managing 3 of second of adjustment, violently manage 3 regulation back at the second, upward remove through driving sealing washer 12, fill in the second trompil in the back, utilize the position of fixed subassembly fixed seal 12, thereby seal up protective housing 4, thereby keep apart the inside bellows 5 of protection, and then guarantee the smooth transport of natural gas, the practicality of equipment has been improved.

Compared with the prior art, this flexible natural gas line who is convenient for transfer to of structure passes through adjustment mechanism and expansion hose 5 and conveniently adjusts the height position and the gas transmission direction that the second violently managed 3, satisfies the field installation needs, strengthens adaptability, moreover, utilizes sealing mechanism to plug up the second trompil, makes 4 internal seal of protective housing, protects its inside expansion hose 5, guarantees natural gas safe transportation, has improved the practicality of equipment.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.