CN216976121U

CN216976121U - Pressure regulating device for natural gas pipeline

Info

Publication number: CN216976121U
Application number: CN202220486179.6U
Authority: CN
Inventors: 初光利; 张胜华; 潘迎通
Original assignee: Shandong Dongxu Thermal Technology Co ltd
Current assignee: Shandong Dongxu Thermal Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-15
Anticipated expiration: 2032-03-08

Abstract

The utility model relates to the technical field. In particular to a pressure regulating device for a natural gas pipeline, which comprises the following technical scheme: connecting pipe, installation pipe, air-vent valve, sleeve pipe, ring piece, solid fixed ring and the lantern ring, the air-vent valve both ends are provided with the installation pipe, the inside solid fixed ring that is provided with of installation pipe, the inside annular of having seted up of solid fixed ring one end, gu the inside connecting pipe of pegging graft of fixed ring, the connecting pipe outer wall has cup jointed the lantern ring, lantern ring one end outer wall is provided with the sealing washer, the annular inner wall is provided with sealed the pad, the sleeve pipe has been cup jointed to installation outside of tubes wall, the intraductal wall of sleeve is provided with the turning block, the inside ring piece that is provided with of sleeve, ring piece one end is provided with the clamping ring. According to the utility model, the pressing block is driven by the rotating sleeve to extrude the sleeve ring, when the sealing ring is tightly attached to the fixing ring, the connecting pipe is fixed with the regulating valve together and matched with the two sealing element sealing gaskets, so that the connecting pipe and the regulating valve have better sealing effect and are more convenient to install.

Description

Pressure regulating device for natural gas pipeline

Technical Field

The utility model relates to the technical field, in particular to a pressure regulating device for a natural gas pipeline.

Background

The natural gas pipeline is a pipeline for conveying natural gas, including associated gas produced in oil fields, from a mining place or a processing plant to an urban gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline, the pipeline of the natural gas is generally buried underground or in deep sea, and the pipeline is also subjected to the influence of different geological conditions during operation.

The pressure regulating valve of natural gas is installed between two connecting lines, and traditional pressure regulating valve is comparatively inconvenient in the installation to the leakproofness between governing valve and the connecting pipe is poor, produces gas leakage easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure regulating device for a natural gas pipeline, which is used for solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for natural gas line regulator, includes connecting pipe, installation pipe, air-vent valve, sleeve pipe, ring piece, solid fixed ring and the lantern ring, the air-vent valve both ends all are provided with the installation pipe, the inside solid fixed ring that all is provided with of installation pipe, the inside annular of having seted up of solid fixed ring one end, gu fixed ring is inside all to be pegged graft there is the connecting pipe, the connecting pipe outer wall has cup jointed the lantern ring, lantern ring one end outer wall is provided with the sealing washer, the annular inner wall is provided with sealed the pad, the sleeve pipe has all been cup jointed to installation pipe outer wall, the sleeve pipe outer wall has all been cup jointed the swing handle, sleeve pipe inner wall is provided with the turning block, the inside ring piece that is provided with of sleeve pipe, ring piece one end is provided with the clamping ring.

Preferably, an embedding ring is arranged at one end of the lantern ring and is installed inside the annular groove in an embedding mode. The embedded ring is embedded inside the ring groove, so that the connecting pipe is initially and quickly fixed.

Preferably, sealing washer one end and solid fixed ring are laminated each other. The sealing ring seals the gap between the connecting pipe and the mounting position of the fixing ring.

Preferably, the opposite ends of the sleeve and the mounting pipe are provided with threads. Through the screw thread, the sleeve pipe cup joints and realizes rotating fixedly at the installation pipe outer wall.

Preferably, the inner wall of the rotating handle is provided with connecting blocks distributed at equal intervals, and one end of each connecting block is connected with the corresponding sleeve. When passing through the connecting block, the rotating handle is fixed with the sleeve.

Preferably, a rotating groove is formed in the outer wall of the ring block, and the rotating block is rotatably mounted in the rotating groove. The rotating block is rotatably arranged in the rotating groove, and the ring block is stable when the lower end of the rotating block is rotated.

Preferably, the press ring corresponds to the collar. The collar is pressed by the press ring.

Compared with the prior art, the utility model has the beneficial effects that: the utility model drives the ring block to move transversely by the matching of the screw thread and the ring block, the ring block drives the pressure ring to extrude the lantern ring in the moving process by the matching of the sealing ring and the sealing gasket, the sealing ring is extruded to be closely attached to the fixing ring, the joint of the connecting pipe and the regulating valve is sealed, the connecting pipe is inserted into the fixing ring by the matching of the embedding ring and the annular groove, the connecting pipe is preliminarily fixed by the inserting ring inserted into the annular groove when the connecting pipe is inserted into the fixing ring, the sealing gasket is fastened with the annular groove when the embedding ring is extruded by the lantern ring, the sealing gasket effectively seals the annular groove and the embedding ring, when the joint of the damaged connecting pipe of the sealing ring and the fixing ring has gas leakage, the sealing gasket intercepts the leaked gas, and realizes stable gas delivery, traditional air-vent valve is comparatively inconvenient in the process of installation to the leakproofness between governing valve and the connecting pipe is poor, produces gas leakage easily, and is better through the sealed effect between double seal structure air-vent valve and the connecting pipe, and the air-vent valve is more convenient in the process of installation.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a main sectional structural view of the present invention;

FIG. 3 is a side sectional view of the fitting ring of the present invention;

FIG. 4 is an enlarged sectional view of the rotary block of FIG. 2 according to the present invention;

FIG. 5 is a main sectional enlarged view of the fitting ring shown in FIG. 2 according to the present invention.

In the figure: 1. a connecting pipe; 2. installing a pipe; 3. a pressure regulating valve; 4. a sleeve; 5. turning a handle; 6. a ring block; 7. a fixing ring; 8. a thread; 9. connecting blocks; 10. a collar; 11. pressing a ring; 12. embedding a ring; 13. a seal ring; 14. rotating the block; 15. a rotating groove; 16. a ring groove; 17. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, an embodiment of the present invention includes: the utility model provides a be used for natural gas line pressure regulating device, includes connecting pipe 1, installation pipe 2, air-vent valve 3, sleeve pipe 4, ring piece 6, solid fixed ring 7 and lantern ring 10, and air-vent valve 3 both ends all are provided with installation pipe 2, and air-vent valve 3 is used for carrying out the flow control of natural gas to pipeline. The inside solid fixed ring 7 that all is provided with of installation pipe 2, gu the inside annular 16 of having seted up of fixed ring 7 one end, gu fixed ring 7 is inside all to be pegged graft and to have connecting pipe 1, and connecting pipe 1 is the pipeline of carrying the natural gas. The outer wall of the connecting pipe 1 is sleeved with a lantern ring 10, and the lantern ring 10 is fixed on the outer wall of the connecting pipe 1.

The lantern ring 10 one end is provided with gomphosis ring 12, and gomphosis ring 12 gomphosis is installed inside annular 16, and when gomphosis ring 12 gomphosis was installed inside annular 16, connecting pipe 1 obtained preliminary stability. The inner wall of the ring groove 16 is provided with a sealing gasket 17, when the embedded ring 12 and the ring groove 16 are embedded and installed together, the sealing gasket 17 is extruded if being extruded by the outer wall, and the sealing gasket 17 enables the embedded ring 12 and the ring groove 16 to be tightly attached together. When the gasket 17 is a second seal structure for connecting the pipe 1 and the pressure regulating valve 3, the leaked gas is intercepted by the gasket 17 after the seal ring 13 is worn by long-term use, and the gas is still stably conveyed.

The outer wall of one end of the lantern ring 10 is provided with a sealing ring 13, one end of the sealing ring 13 is attached to the fixing ring 7, when the sealing ring 13 is attached to the fixing ring 7, a gap at the joint of the connecting pipe 1 and the fixing ring 7 is sealed, and gas conveyed by the connecting pipe 1 is effectively conveyed. 2 outer walls of installation pipe have all been cup jointed sleeve pipe 4, and sleeve pipe 4 all is provided with screw thread 8 with 2 relative one ends of installation pipe, and sleeve pipe 4 cup joints when 2 outer walls of installation pipe rotate, through the stable removal of screw thread 8 in 2 outer walls of installation pipe. The outer wall of the sleeve 4 is sleeved with a rotating handle 5, the inner wall of the rotating handle 5 is provided with connecting blocks 9 distributed at equal intervals, one end of each connecting block 9 is connected with the sleeve 4, the rotating handle 5 is fixed with the sleeve 4 through the connecting blocks 9, and the rotating handle 5 is grasped to facilitate the sleeve 4.

The inner wall of the sleeve 4 is provided with a rotating block 14, the ring block 6 is arranged inside the sleeve 4, a rotating groove 15 is formed in the outer wall of the ring block 6, the rotating block 14 is rotatably installed inside the rotating groove 15, the sleeve 4 rotates to drive the rotating block 14 to synchronously move, the rotating block 14 is of an annular structure, and the rotating block 14 rotates inside the ring block 6 to drive the ring block 6 to transversely move. The clamping ring 11 is arranged at one end of the ring block 6, the clamping ring 11 corresponds to the lantern ring 10, the clamping ring 11 extrudes the lantern ring 10 through extrusion of the ring block 6, the connecting pipe 1 is fixed, and the connecting pipe 1 and the pressure regulating valve 3 are more convenient to install.

The working principle is as follows: in the actual application process, the connecting pipe 1 is inserted into the fixed ring 7, the embedded ring 12 is butted inside the annular groove 16, the rotating handle 5 drives the sleeve 4 to rotate on the outer wall of the mounting pipe 2, meanwhile, the rotating block 14 rotates inside the rotating groove 15 to drive the ring block 6 to move towards the inside of the mounting pipe 2, the ring block 6 drives the pressing ring 11 to extrude the lantern ring 10, the embedded ring 12 extrudes the sealing gasket 17 to be embedded inside the annular groove 16, the sealing ring 13 is extruded to be tightly extruded with the fixed ring 7 to seal the mounting connection part of the connecting pipe 1 and the fixed ring 7, the sealing ring 13 tightly attached with the fixed ring 7 enables the mounting sealing performance of the pressure regulating valve 3 and the connecting pipe 1 to be better, meanwhile, the sealing gasket 17 is extruded to be tightly attached with the embedded ring 12 to play a role in sealing the second sealing of the connecting pipe 1, even if the sealing ring 13 is damaged, the sealing performance of gas conveying is still guaranteed, the staff is more convenient with the blind drilling of air-vent valve 3 and connecting pipe 1, and gaseous leakproofness is better, has avoided gaseous leakage.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be used for natural gas line pressure regulating device, includes connecting pipe (1), installation pipe (2), air-vent valve (3), sleeve pipe (4), ring block (6), solid fixed ring (7) and lantern ring (10), its characterized in that: air-vent valve (3) both ends all are provided with installation pipe (2), installation pipe (2) inside all is provided with solid fixed ring (7), gu fixed ring (7) one end is inside to be seted up annular (16), gu fixed ring (7) inside all is pegged graft and has been had connecting pipe (1), the lantern ring (10) has been cup jointed to connecting pipe (1) outer wall, lantern ring (10) one end outer wall is provided with sealing washer (13), annular (16) inner wall is provided with sealed pad (17), sleeve pipe (4) have all been cup jointed to installation pipe (2) outer wall, spiral handle (5) have all been cup jointed to sleeve pipe (4) outer wall, sleeve pipe (4) inner wall is provided with turning block (14), sleeve pipe (4) inside is provided with ring piece (6), ring piece (6) one end is provided with clamping ring (11).

2. The pressure regulating device for the natural gas pipeline according to claim 1, wherein: an embedded ring (12) is arranged at one end of the lantern ring (10), and the embedded ring (12) is embedded and installed inside the annular groove (16).

3. The pressure regulating device for the natural gas pipeline according to claim 1, wherein: sealing washer (13) one end is laminated each other with solid fixed ring (7).

4. The device for regulating pressure of a natural gas pipeline according to claim 1, wherein: and the opposite ends of the sleeve (4) and the mounting pipe (2) are provided with threads (8).

5. The pressure regulating device for the natural gas pipeline according to claim 1, wherein: the inner wall of the rotating handle (5) is provided with connecting blocks (9) distributed at equal intervals, and one end of each connecting block (9) is connected with the corresponding sleeve (4).

6. The pressure regulating device for the natural gas pipeline according to claim 1, wherein: a rotating groove (15) is formed in the outer wall of the ring block (6), and the rotating block (14) is rotatably mounted in the rotating groove (15).

7. The pressure regulating device for the natural gas pipeline according to claim 1, wherein: the pressing ring (11) corresponds to the lantern ring (10).