CN212226365U

CN212226365U - Elbow connecting pipe for gas production

Info

Publication number: CN212226365U
Application number: CN202020597179.4U
Authority: CN
Inventors: 杨玲; 潘柯辰; 肖前明; 张瑞; 李军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-25
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a bend connecting pipe for gas production, including the return bend, the return bend both ends all cup joint and are fixed with coupling mechanism, and coupling mechanism includes flange, and flange one side is fixed with the sleeve pipe, the sleeve pipe cup joints and fixes on the return bend, and the intraductal wall of sleeve opens there is the internal thread, and it has the external screw thread that forms screw-thread fit with the internal thread to open on the return bend, flange central point puts to open there is the installing port, and the installing port internal fixation has the spacing pipe the same with the return bend specification, and the one end outer wall that spacing pipe is close to the return bend is fixed with the rubber circle, the last locating hole that has a plurality of annular. The utility model discloses can make things convenient for return bend fixed mounting between two pipelines, can also increase the leakproofness between return bend and the sleeve pipe.

Description

Elbow connecting pipe for gas production

Technical Field

The utility model relates to a connecting pipe technical field especially relates to an elbow connecting pipe for gas production.

Background

In a piping system, a bend is a pipe that changes the direction of a pipe. The angle is divided into three types of most common angles of 45 degrees, 90 degrees and 180 degrees, and other abnormal angle elbows of 60 degrees and the like are further included according to engineering requirements. The elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metal, plastics, etc. The connection with the pipe is as follows: direct welding (the most common way) flange connections, hot melt connections, electrofusion connections, screw connections, socket connections, etc. The production process comprises the following steps: welding elbows, stamping elbows, pushing elbows, casting elbows, butt welding elbows, and the like. Other names: 90 degree elbows, quarter bends, and the like.

The multi-bend shape of the existing elbow connecting pipe is fixed, the elbow is not easy to replace, and the elbow is complex in the installation process and can be tightly installed by means of a large number of tools.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas production elbow connecting pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bend connecting pipe for gas production, includes the return bend, the return bend both ends all cup joint and are fixed with coupling mechanism, and coupling mechanism includes flange, and flange one side is fixed with the sleeve pipe, the sleeve pipe cup joints and fixes on the return bend, and the intraductal wall of sleeve opens there is the internal thread, and it has the external screw thread that forms screw-thread fit with the internal thread to open on the return bend, flange central point puts to open there is the installing port, and the installing port internal fixation has the spacing pipe the same with the return bend specification, and the one end outer wall that spacing pipe is close to the return bend is fixed with the rubber circle, the last locating hole that.

Furthermore, an annular groove is formed in the connecting surface of the limiting pipe and the rubber ring, and a convex ring which is in scarf joint with the annular groove is fixedly arranged on the rubber ring.

Furthermore, a plurality of annular scarf grooves which are concentrically distributed are formed in the position, close to the limiting pipe, of the outer wall of one side of the connecting flange, and a sealing ring is fixed in each annular scarf groove.

Further, the sealing ring is a silica gel ring.

Furthermore, a clamping mechanism and a filtering mechanism are fixed in the limiting pipe, and the filtering mechanism is fixedly installed in the clamping mechanism.

Furthermore, the clamping mechanism comprises a fixing ring and a clamping ring, wherein one side of the clamping ring is provided with a plurality of bolt grooves distributed in an annular manner, fixing bolts are fixed in the bolt grooves, and the clamping ring is fixedly connected with the fixing ring through the fixing bolts.

Further, filtering mechanism includes the filter screen, and filter screen fixed mounting is between grip ring and solid fixed ring.

The utility model has the advantages that:

1. can make things convenient for flange fixed mounting on the return bend through sheathed tube setting, make things convenient for return bend fixed mounting between two pipelines, the rubber circle on the spacing pipe can increase the leakproofness between return bend and the sleeve pipe, and the bulge loop can increase the joint strength of rubber circle and spacing pipe, and the sealing washer can increase the leakproofness between flange and the pipeline in addition.

2. The clamping ring can be fixedly arranged on the fixing ring through the fixing bolt, and the filter screen fixedly arranged between the clamping ring and the fixing ring is convenient to disassemble and replace.

Drawings

Fig. 1 is a schematic sectional view of a gas production elbow connection pipe according to embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of an embodiment 1 of an elbow connection pipe for gas production according to the present invention;

fig. 3 is a schematic sectional view of embodiment 2 of an elbow connecting pipe for gas production according to the present invention.

In the figure: the device comprises a bent pipe 1, a sleeve 2, an external thread 3, an internal thread 4, a connecting flange 5, a positioning hole 6, a limiting pipe 7, a rubber ring 8, a convex ring 9, a sealing ring 10, a clamping ring 11, a filter screen 12, a fixing ring 13, a fixing bolt 14 and a bolt groove 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1 and 2, a elbow connecting pipe for gas production, including

return bend

1, 1 both ends of return bend all cup joint and be fixed with coupling mechanism, coupling mechanism includes flange 5, flange 5 one side is fixed with sleeve pipe 2, sleeve pipe 2 cup joints and fixes on

return bend

1, 2 inner walls of sleeve pipe are opened there is internal thread 4, it has the external screw thread 3 that forms screw-thread fit with internal thread 4 to open on the

return bend

1, 5 central point of flange puts and opens there is the installing port, the installing port internal fixation has spacing pipe 7 the same with 1 specification of return bend, spacing pipe 7 is fixed with rubber circle 8 near the one end outer wall of return bend 1, it has the locating hole 6 of a plurality of annular distributions to open on flange 5.

The limiting pipe 7 and the rubber ring 8 are connected and are provided with an annular groove, the rubber ring 8 is fixedly provided with a convex ring 9 which forms embedding fit with the annular groove, the position of the outer wall of one side of the connecting flange 5, which is close to the limiting pipe 7, is provided with a plurality of annular embedding grooves which are concentrically distributed, a sealing ring 10 is fixed in each annular embedding groove, and the sealing ring 10 is a silica gel ring.

The working principle of the embodiment is as follows: sleeve pipe 2 can make things convenient for flange 5 fixed mounting on return bend 1, makes things convenient for 1 fixed mounting of return bend between two pipelines, and the leakproofness between return bend 1 and sleeve pipe 2 can be increased to rubber circle 8 on the spacing pipe 7, and the bulge loop 9 can increase the joint strength of rubber circle 8 and spacing pipe 7, and sealing washer 10 can increase the leakproofness between flange 5 and the pipeline in addition.

Example 2

Referring to fig. 3, an elbow connecting pipe for gas production, the difference between this embodiment and embodiment 1 is that a clamping mechanism and a filtering mechanism are fixed in a limiting pipe 7, the filtering mechanism is fixedly installed in the clamping mechanism, the clamping mechanism includes a fixing ring 13 and a clamping ring 11, a plurality of bolt grooves 15 distributed in an annular shape are formed in one side of the clamping ring 11, fixing bolts 14 are fixed in the bolt grooves 15, the clamping ring 11 is fixedly connected with the fixing ring 13 through the fixing bolts 14, the filtering mechanism includes a filter screen 12, and the filter screen 12 is fixedly installed between the clamping ring 11 and the fixing ring 13.

The working principle of the embodiment is as follows: the clamping ring 11 can be fixedly mounted on the fixing ring 13 by using the fixing bolt 14, so that the filter screen 12 fixedly mounted between the clamping ring 11 and the fixing ring 13 can be conveniently detached and replaced.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bend connecting pipe for gas production, includes return bend (1), its characterized in that, return bend (1) both ends all cup joint and are fixed with coupling mechanism, and coupling mechanism includes flange (5), and flange (5) one side is fixed with sleeve pipe (2), sleeve pipe (2) cup joint and fix on return bend (1), and open sleeve pipe (2) inner wall has internal thread (4), and it has external screw thread (3) that form screw-thread fit with internal thread (4) to open on return bend (1), flange (5) central point puts to open has the installing port, is fixed with spacing pipe (7) the same with return bend (1) specification in the installing port, and the one end outer wall that spacing pipe (7) are close to return bend (1) is fixed with rubber circle (8), open locating hole (6) that have a plurality of annular distributions on flange (5).

2. A gas production elbow connection pipe according to claim 1, wherein an annular groove is formed on the connection surface of the limiting pipe (7) and the rubber ring (8), and a convex ring (9) which is in scarf joint with the annular groove is fixed on the rubber ring (8).

3. The elbow connecting pipe for gas production according to claim 1 or 2, wherein a plurality of concentrically distributed annular embedding grooves are formed in the outer wall of one side of the connecting flange (5) close to the position of the limiting pipe (7), and sealing rings (10) are fixed in the annular embedding grooves.

4. An elbow connection pipe for gas production according to claim 3, characterized in that the sealing ring (10) is a silicone ring.

5. A gas production elbow connection pipe according to claim 1, characterized in that a clamping mechanism and a filtering mechanism are fixed in the limiting pipe (7), and the filtering mechanism is fixedly arranged in the clamping mechanism.

6. The elbow connection pipe for gas production according to claim 5, wherein the clamping mechanism comprises a fixing ring (13) and a clamping ring (11), one side of the clamping ring (11) is provided with a plurality of bolt grooves (15) distributed annularly, fixing bolts (14) are fixed in the bolt grooves (15), and the clamping ring (11) is fixedly connected with the fixing ring (13) through the fixing bolts (14).

7. A gas production elbow connection pipe according to claim 6, characterized in that the filter means comprises a filter net (12), which filter net (12) is fixedly mounted between the clamping ring (11) and the fixing ring (13).