CN219530128U

CN219530128U - Natural gas supply pipeline

Info

Publication number: CN219530128U
Application number: CN202320292790.XU
Authority: CN
Inventors: 李勇
Original assignee: Zhangjiajie Zhongran City Gas Development Co ltd
Current assignee: Zhangjiajie Zhongran City Gas Development Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-15
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas supply pipeline which comprises a first pipe body and a second pipe body, wherein one ends of the first pipe body and the second pipe body are respectively provided with a first baffle ring and a second baffle ring which are integrally formed, and the inner wall of the circumference of the second pipe body is provided with an extension pipe. According to the utility model, in the process that a worker needs to communicate the first pipe body with the second pipe body, the positioning rod is inserted into the positioning hole, so that a certain guiding and limiting effect can be achieved, the worker is ensured to be capable of rapidly butting the first pipe body with the second pipe body, then when the extension pipe at one end of the second pipe body is inserted into the inner pipe, two groups of first sealing rings arranged on the inner wall of the circumference of the inner pipe can be clamped into the first sealing groove in the process that the extension pipe is inserted into the inner pipe, and therefore tightness between the inner pipe and the extension pipe can be effectively ensured, and the situation that natural gas leaks after the first pipe body is connected with the second pipe body is avoided.

Description

Natural gas supply pipeline

Technical Field

The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas supply pipeline.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas from a mining place or a treatment plant to a city gas distribution center or an industrial enterprise user, and is also called a gas pipeline, and the natural gas pipeline is utilized to convey the natural gas in a large quantity on land.

Through searching, the Chinese patent with publication number of CN217422527U discloses a natural gas pipeline butt joint pipe structure. The first flange fixed mounting is in the one end of first pipeline, and second flange fixed mounting is in the one end of second pipeline, and first flange and second flange pass through fixing bolt and nut fixed connection together, and fixedly connected with bolt spacing piece on the side of fixing bolt's the bolt head orientation nut, fixedly connected with nut spacing piece on the side of nut orientation bolt head, and the clamp is installed in first flange and second flange outside, and bolt spacing piece and nut spacing piece pass through self-tapping screw and clamp fixed connection respectively. According to the flange, the clamp is arranged on the outer side of the butt flange, the sealing gasket is arranged on the inner wall of the clamp, the tightness of the first pipeline when the first pipeline is connected with the second pipeline is further improved, the limiting piece of the bolt and the limiting piece of the nut are fixedly connected with the clamp through the self-tapping screw, the fixing bolt is effectively prevented from loosening, and the stability of connection between the flanges is improved.

The above patent suffers from the following disadvantages: only carry out fixed connection with two sets of pipelines through two sets of clamps, only set up a set of flange sealing washer between the clamp, sealed effect is relatively poor, leads to the condition that natural gas leaked in the interface department of two sets of pipelines easily, can not satisfy people's user demand. Accordingly, there is a need for a natural gas supply pipeline to solve the above problems.

Disclosure of Invention

Based on the above mentioned deficiencies of the prior art in the background art, the present utility model provides for a natural gas supply pipeline.

The utility model adopts the following technical scheme to overcome the technical problems, and specifically comprises the following steps:

the utility model provides a natural gas supply pipeline, includes first body and second body, first body with the one end of second body all is provided with integrated into one piece's first baffle ring and second baffle ring, the circumference inner wall of second body is provided with the extension pipe, first body is close to the one end of first baffle ring is provided with the inner tube, the one end of extension pipe is followed the inside of inner tube passes, the circumference inner wall of inner tube is provided with seal assembly.

As a further scheme of the utility model: the utility model discloses a fixing device for a solar cell module, including first body, second body, locating ring, first mounting groove has all been seted up to the first body with the one end of second body, the inside joint of first mounting groove is at the locating ring, the circumference outer wall fixedly connected with connecting plate of locating ring, the number of locating ring is two sets of, first through-hole has been seted up to one side outer wall of connecting plate, first through-hole inside grafting has the second fixation screw, the equal threaded connection in both ends of second fixation screw has the second fixation nut.

As still further aspects of the utility model: the second mounting groove is formed in the circumferential outer wall of the first mounting groove, the clamping ring is fixedly connected with the circumferential inner wall of the positioning ring, and the clamping ring is matched with the second mounting groove.

As still further aspects of the utility model: the first annular groove is formed in the circumferential inner wall of the clamping ring, the second sealing ring is arranged in the first annular groove, the second sealing groove is formed in the circumferential outer wall of the second mounting groove, and the second sealing ring is matched with the second sealing groove.

As still further aspects of the utility model: the first baffle ring, the second baffle ring and the circumference outer wall of the positioning ring are all provided with first mounting grooves which are distributed circularly at equal distance, a first fixing screw rod is inserted into the first mounting grooves, and two ends of the first fixing screw rod are connected with first fixing nuts in a threaded mode.

As still further aspects of the utility model: the sealing assembly comprises a second annular groove formed in the inner wall of the circumference of the inner tube, a first sealing ring is arranged in the second annular groove, a first sealing groove is formed in the outer wall of the circumference of the extension tube, and the first sealing ring is matched with the first sealing groove.

As still further aspects of the utility model: the locating holes distributed circularly in equal distance are formed in one end of the first pipe body, one end of the second pipe body is fixedly connected with a locating rod matched with the locating holes, and the cross sections of the locating rod and the locating holes are regular hexagons.

After adopting the structure, compared with the prior art, the utility model has the following advantages: in the process that a worker needs to communicate the first pipe body with the second pipe body, the positioning rod is inserted into the positioning hole, so that a certain guiding and limiting effect can be achieved, the worker is guaranteed to be capable of quickly butting the first pipe body with the second pipe body, then when an extension pipe at one end of the second pipe body is inserted into the inner pipe, two groups of first sealing rings arranged on the inner wall of the circumference of the inner pipe can be clamped into the first sealing groove in the process that the extension pipe is inserted into the inner pipe, and therefore tightness between the inner pipe and the extension pipe can be effectively guaranteed, and the situation that natural gas leaks after the first pipe body is connected with the second pipe body is avoided;

when the staff dock the first body with the second body after with two sets of holding ring joint in first mounting groove inside respectively, carry out fastening connection simultaneously between with first body, second body and the holding ring through the first fixing screw of multiunit, guaranteed the stability of connecting between the pipeline, and at the in-process of holding ring joint in first mounting groove inside, the snap ring that sets up in holding ring circumference inner wall can the joint inside the second mounting groove, realized the secondary reinforcing seal to the holding ring, the second sealing washer that sets up simultaneously in holding ring circumference inner wall can cooperate with the second seal groove, guaranteed the leakproofness of first body and second body junction.

Drawings

Fig. 1 is a schematic diagram of the overall front structure of the present utility model.

Fig. 2 is a schematic diagram of the overall semi-sectional structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic view showing a split structure of the seal assembly of the present utility model.

Fig. 5 is an enlarged schematic view of the structure of fig. 4B according to the present utility model.

In the figure: 1. a first tube body; 2. a second tube body; 3. a first fixed screw; 4. a first fixing nut; 5. a first baffle ring; 6. a positioning ring; 7. a second fixing nut; 8. a connecting plate; 9. a second fixed screw; 10. a second baffle ring; 11. an inner tube; 12. an extension tube; 13. a first seal ring; 14. a positioning rod; 15. a second seal ring; 16. a clasp; 17. a first seal groove; 18. a first mounting groove; 19. a second seal groove; 20. positioning holes; 21. and a second mounting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, in an embodiment of the present utility model, a natural gas supply pipeline includes a first pipe body 1 and a second pipe body 2, one ends of the first pipe body 1 and the second pipe body 2 are respectively provided with a first baffle ring 5 and a second baffle ring 10 that are integrally formed, a circumferential inner wall of the second pipe body 2 is provided with an extension pipe 12, one end of the first pipe body 1, which is close to the first baffle ring 5, is provided with an inner pipe 11, one end of the extension pipe 12 passes through the inner pipe 11, and a circumferential inner wall of the inner pipe 11 is provided with a sealing assembly.

Preferably, first mounting groove 18 has all been seted up to the one end of first body 1 and second body 2, and the inside joint of first mounting groove 18 is at holding ring 6, and the circumference outer wall fixedly connected with connecting plate 8 of holding ring 6, and the figure of holding ring 6 is two sets of, and first through-hole has been seted up to the outer wall of one side of connecting plate 8, and first through-hole inside grafting has second fixing screw 9, and the equal threaded connection in both ends of second fixing screw 9 has second fixing screw 7.

Preferably, the second mounting groove 21 is formed on the circumferential outer wall of the first mounting groove 18, the clamping ring 16 is fixedly connected to the circumferential inner wall of the positioning ring 6, and the clamping ring 16 is matched with the second mounting groove 21.

Preferably, the circumference inner wall of snap ring 16 has seted up first ring channel, first ring channel inside is provided with second sealing washer 15, second sealing groove 19 has been seted up to the circumference outer wall of second mounting groove 21, second sealing washer 15 cooperatees with second sealing groove 19, the snap ring 16 that sets up in the circumference inner wall of holding ring 6 can the joint inside second mounting groove 21, the secondary reinforcement seal to holding ring 6 has been realized, the second sealing washer 15 that sets up simultaneously in the circumference inner wall of snap ring 16 can cooperate with second sealing groove 19, the leakproofness of first body 1 and second body 2 junction has been guaranteed.

Preferably, the first baffle ring 5, the second baffle ring 10 and the circumferential outer wall of the positioning ring 6 are provided with first mounting grooves 18 which are distributed circularly at equal distance, the first fixing screw 3 is inserted into the first mounting grooves 18, and two ends of the first fixing screw 3 are connected with the first fixing nuts 4 in a threaded manner.

Preferably, seal assembly is including seting up the second ring channel at inner tube 11 circumference inner wall, second ring channel inside is provided with first sealing washer 13, first sealing groove 17 has been seted up to extension pipe 12's circumference outer wall, first sealing washer 13 cooperatees with first sealing groove 17, the inside of inner tube 11 can be inserted to extension pipe 12 when second body 2 one end, the in-process that extension pipe 12 inserted inner tube 11 sets up in inner tube 11 circumference inner wall two sets of first sealing washer 13 can the joint inside first sealing groove 17, thereby can effectually guarantee the leakproofness between inner tube 11 and the extension pipe 12, the condition that the natural gas leakage appears after avoiding first body 1 to be connected with second body 2.

Preferably, the locating hole 20 that the equidistance is circular distribution has been seted up to the one end of first body 1, the one end fixedly connected with of second body 2 and locating hole 20 matched with locating lever 14, the cross section of locating lever 14 and locating hole 20 is regular hexagon, at the in-process that the staff needs to be linked together first body 1 and second body 2, through inserting locating lever 14 to locating hole 20 inside, can play certain direction spacing effect, guarantee that the staff can be quick dock first body 1 with second body 2.

Working principle: in the process that the first pipe body 1 and the second pipe body 2 are required to be communicated by the staff, through inserting the locating rod 14 into the locating hole 20, a certain guiding and limiting effect can be achieved, the situation that the staff can dock the first pipe body 1 and the second pipe body 2 quickly is guaranteed, then when the extension pipe 12 at one end of the second pipe body 2 is inserted into the inner part of the inner pipe 11, the two groups of first sealing rings 13 arranged on the inner circumferential wall of the inner pipe 11 in the process that the extension pipe 12 is inserted into the inner pipe 11 can be clamped into the first sealing groove 17, accordingly tightness between the inner pipe 11 and the extension pipe 12 can be effectively guaranteed, natural gas leakage is avoided after the first pipe body 1 and the second pipe body 2 are connected, the two groups of locating rings 6 are clamped into the first mounting groove 18 after the staff dock the first pipe body 1 and the second pipe body 2, meanwhile, the first pipe body 1, the second pipe body 2 and the locating rings 6 are fastened and connected through the plurality of groups of first fixing screws 3, the stability of connection between the pipelines is guaranteed, and the connection between the first pipe body 1 and the second pipe body 2 and the locating rings 6 can be guaranteed, and the second pipe body 1 and the second pipe body 2 are clamped into the second pipe body 16 are matched with the second pipe body 16 in the inner circumferential groove 16, the sealing groove 16 is arranged in the inner sealing groove 16, and the sealing ring 16 is arranged in the second pipe body and the sealing ring 16, and the sealing ring is arranged in the inner sealing groove 16.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims

1. The utility model provides a natural gas supply pipeline, includes first body (1) and second body (2), its characterized in that, first body (1) with the one end of second body (2) all is provided with integrated into one piece's first baffle ring (5) and second baffle ring (10), the circumference inner wall of second body (2) is provided with extension pipe (12), first body (1) is close to the one end of first baffle ring (5) is provided with inner tube (11), the one end of extension pipe (12) is followed the inside of inner tube (11) is passed, the circumference inner wall of inner tube (11) is provided with seal assembly.

2. The natural gas supply pipeline according to claim 1, wherein the first pipe body (1) and one end of the second pipe body (2) are provided with first mounting grooves (18), the first mounting grooves (18) are internally clamped on the positioning ring (6), the connecting plates (8) are fixedly connected to the circumferential outer wall of the positioning ring (6), the number of the positioning rings (6) is two, one side outer wall of each connecting plate (8) is provided with a first through hole, a second fixing screw (9) is inserted into the first through hole, and two ends of each second fixing screw (9) are connected with second fixing nuts (7) in a threaded mode.

3. A natural gas supply pipeline according to claim 2, characterized in that the circumferential outer wall of the first mounting groove (18) is provided with a second mounting groove (21), the circumferential inner wall of the positioning ring (6) is fixedly connected with a clamping ring (16), and the clamping ring (16) is matched with the second mounting groove (21).

4. A natural gas supply pipeline according to claim 3, characterized in that a first annular groove is provided in the circumferential inner wall of the snap ring (16), a second sealing ring (15) is provided in the first annular groove, a second sealing groove (19) is provided in the circumferential outer wall of the second mounting groove (21), and the second sealing ring (15) is matched with the second sealing groove (19).

5. A natural gas supply pipeline according to claim 3, characterized in that the first baffle ring (5), the second baffle ring (10) and the circumferential outer wall of the positioning ring (6) are provided with first mounting grooves (18) distributed in a circular shape at equal distances, a first fixing screw (3) is inserted into the first mounting grooves (18), and two ends of the first fixing screw (3) are connected with first fixing nuts (4) in a threaded manner.

6. A natural gas supply pipeline according to claim 1, characterized in that the sealing assembly comprises a second annular groove formed in the circumferential inner wall of the inner pipe (11), a first sealing ring (13) is arranged in the second annular groove, a first sealing groove (17) is formed in the circumferential outer wall of the extension pipe (12), and the first sealing ring (13) is matched with the first sealing groove (17).

7. The natural gas supply pipeline according to claim 6, wherein one end of the first pipe body (1) is provided with positioning holes (20) distributed in a circular shape at equal intervals, one end of the second pipe body (2) is fixedly connected with a positioning rod (14) matched with the positioning holes (20), and cross sections of the positioning rod (14) and the positioning holes (20) are all regular hexagons.