CN214579522U

CN214579522U - Pipeline connecting flange

Info

Publication number: CN214579522U
Application number: CN202120475108.1U
Authority: CN
Inventors: 赵方柱
Original assignee: Jinan Aowei Machinery Equipment Co ltd
Current assignee: Jinan Aowei Machinery Equipment Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-11-02
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a pipeline connecting flange, including a flange and second flange, the inside of second flange is rotated and is connected with first runner and second runner, and first runner and second runner intermeshing, the inside sliding connection of second flange has first rack, and first rack and second runner meshing, the top fixedly connected with of first rack is protruding, the inner wall of first flange is provided with the recess, the bottom fixedly connected with of first flange is sealed to be filled up. The utility model discloses in, be provided with: first runner, second runner, first rack, arch, recess and sealed the pad, can will seal up through the arch and extrude some in the recess with sealed pad and stretch like this just can reduce the space reduction when the flange connection is accomplished in the space between first flange and the second flange, it is good to have reduced the pipeline leakage leakproofness, reduces the leakage of inside crude gas, avoids the crude gas of leaking just can produce adverse effect to the environment.

Description

Pipeline connecting flange

Technical Field

The utility model relates to a pipe connection technical field especially relates to a pipe connection flange.

Background

A large amount of waste heat is available energy in the coking production process, and the waste heat recovery of the coke oven crude gas is a direction worth paying attention to and investing in both coking enterprises and waste heat recovery enterprises, so that the method has a wide market prospect. Generally, the lower end of an ascending pipe of the coke oven is directly connected with a carbonization chamber, the upper part of the ascending pipe is connected with a bridge pipe, the upper end of the bridge pipe is a water sealing cover, and water in the water sealing cover of the ascending pipe plays a role in sealing, so that the condition that the overflowing crude gas pollutes the atmospheric environment is avoided.

Usually, the ascending pipe is connected with the bridge pipe through a flange, and the flange is an indispensable component for connecting the ascending pipe with the bridge pipe; because the working environment of the ascending pipe and the bridge pipe is severe, in the operation process, the ascending pipe can generate gaps due to the connection between the flanges due to high temperature, thermal stress, external force impact, corrosion and the like, so that the leakage of the internal raw coke oven gas can be caused, and the leaked raw coke oven gas can have adverse effects on the environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pipeline connecting flange.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pipeline connecting flange, includes first flange and second flange, the inside of second flange is rotated and is connected with first runner and second runner, and first runner and second runner intermeshing, the inside sliding connection of second flange has first rack, and first rack and second runner meshing, the top fixedly connected with of first rack is protruding, the inner wall of first flange is provided with the recess, and protruding and recess phase-match, the bottom fixedly connected with of first flange is sealed to fill up, the inside of first flange and second flange all is provided with mounting hole, mounting hole's inner wall bolted connection has the screw rod, the surface threaded connection of screw rod has the sliding sleeve, one side fixedly connected with second rack that is close to first runner of sliding sleeve, first runner and second rack meshing.

As a further description of the above technical solution:

the top end of the screw rod is connected with two nuts through bolts, and a gasket is sleeved on the outer surface of the screw rod close to the bottom end of the screw rod.

As a further description of the above technical solution:

the installation through-hole is provided with six, and six installation through-holes's diameter is the same.

As a further description of the above technical solution:

the first flange is a concave circular ring, and the second flange is a hollow circular ring.

As a further description of the above technical solution:

the sealing gasket is made of rubber.

As a further description of the above technical solution:

the second rack and the sliding sleeve are fixedly connected in a welding mode.

The utility model discloses following beneficial effect has: a pipe coupling flange provided with: first runner, the second runner, first rack, it is protruding, recess and sealed pad, when passing through the screw rod connection with first flange and second flange, the removal of screw rod slides the sliding sleeve, the removal of sliding sleeve removes the second rack and then removes first rack through the transmission of runner, just so can be sealed through the arch and extrude some with sealed pad in the recess and stretch like this the gap when flange joint is accomplished to the space between first flange and second flange and reduce, the pipeline leakage has been reduced, avoid the leakage of inside raw coke oven gas, and then the raw coke oven gas that leaks just can produce the result appearance of abominable influence to the environment.

The nut and the packing ring that set up can increase screw rod and first flange, the compactness when the second flange is connected, a plurality of mounting hole can increase the reliability that the flange is connected, sealed setting up has reduced the installation and has leaked, sealed material of filling up is rubber, the leakproofness of rubber is good, and there is some expansion to reduce the production in connection space under hotter circumstances, the fixed connection mode between second rack and sliding sleeve is the welding, welded structure rigidity is big, the wholeness is good, guarantee gas tightness and water proofness simultaneously again easily, so be particularly suitable for making the pipeline of high strength, big rigidity.

Drawings

Fig. 1 is a sectional view of a pipe coupling flange according to the present invention;

fig. 2 is a bottom view of a pipe coupling flange according to the present invention;

fig. 3 is an enlarged view of a position a of the pipe coupling flange provided by the present invention.

Illustration of the drawings:

1. a first flange; 2. a second flange; 3. a first runner; 4. a second runner; 5. a first rack; 6. A protrusion; 7. a groove; 8. a gasket; 9. a screw; 10. a gasket; 11. a nut; 12. a sliding sleeve; 13. A second rack; 14. and installing the through hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the 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 constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a pipeline connecting flange comprises a first flange 1 and a second flange 2, a first rotating wheel 3 and a second rotating wheel 4 are rotatably connected inside the second flange 2, the first rotating wheel 3 and the second rotating wheel 4 are meshed with each other, a first rack 5 is slidably connected inside the second flange 2, the first rack 5 is meshed with the second rotating wheel 4, a bulge 6 is fixedly connected at the top end of the first rack 5, a groove 7 is formed in the inner wall of the first flange 1, the bulge 6 is matched with the groove 7, a sealing gasket 8 is fixedly connected at the bottom end of the first flange 1, mounting through holes 14 are formed in the first flange 1 and the second flange 2, a screw 9 is connected to the inner wall of each mounting through hole 14 through a bolt, a sliding sleeve 12 is connected to the outer surface of the screw 9 through a thread, a second rack 13 is fixedly connected to one side, close to the first rotating wheel 3, of the sliding sleeve 12, and the first rotating wheel 3 is meshed with the second rack 13, when connecting first flange 1 and second flange 2 through screw rod 9, the removal of screw rod 9 slides sliding sleeve 12, sliding sleeve 12's removal removes second rack 13 and then removes first rack 5 through the transmission of runner, just so can be through protruding 6 with sealed 8 to extrude some in the recess 7 with sealed 8 stretch sealed the pad 8 like this and just can reduce the space reduction when flange joint is accomplished to the installation space between first flange 1 and the second flange 2, reduced the pipeline and leaked the leakage that reduces inside crude gas, and then the crude gas that leaks just can produce the condition of adverse effect to the environment and appear.

The top end of the screw rod 9 is connected with two nuts 11 through bolts, the outer surface of the screw rod 9 close to the bottom end is sleeved with a gasket 10, and the nuts 11 and the gasket 10 can increase the tightness of the screw rod 9 when connected with the first flange 1 and the second flange 2.

The number of the mounting through holes 14 is six, and the diameters of the six mounting through holes 14 are the same, and the plurality of mounting through holes 14 can increase the reliability of flange connection.

The first flange 1 is a concave circular ring, the second flange 2 is a hollow circular ring, and the first flange 1 and the second flange 2 are matched with each other and are reliably connected.

The sealing gasket 8 is made of rubber, the sealing performance of the rubber is good, and the sealing gasket slightly expands under the hot condition to reduce the generation of connecting gaps.

The fixed connection mode between the second rack 13 and the sliding sleeve 12 is welding, the welding structure has high rigidity and good integrity, and simultaneously, the air tightness and the water tightness are easily ensured, so the method is particularly suitable for manufacturing high-strength and high-rigidity pipelines.

The working principle is as follows: when the pipeline connecting flange is used, a screw rod 9 is inserted into a mounting through hole 14, the screw rod 9 is rotated, a sliding sleeve 12 is moved upwards by the rotation of the screw rod 9, the sliding sleeve 12 moves upwards to drive a first rotating wheel 3 to rotate clockwise through a second rack 13, the clockwise rotation of the first rotating wheel 3 rotates a meshed second rotating wheel 4 anticlockwise, the first rack 5 is moved upwards by the anticlockwise rotation of the second rotating wheel 4, so that the sealing gasket 8 is extruded and stretched by the protrusion 6 at the top end of the first rack 5 towards the groove 7 to reduce the installation gap between the first flange 1 and the second flange 2, the nut 11 is sleeved on the screw 9 to complete installation after the completion of the installation, the fixed connection mode between the second rack 13 and the sliding sleeve 12 is welding, the welding structure has high rigidity and good integrity, and simultaneously, the air tightness and the water tightness are easily ensured, so the method is particularly suitable for manufacturing high-strength and high-rigidity pipelines.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A pipe coupling flange, includes first flange (1) and second flange (2), its characterized in that: the inner part of the second flange (2) is rotatably connected with a first rotating wheel (3) and a second rotating wheel (4), the first rotating wheel (3) and the second rotating wheel (4) are meshed with each other, the inner part of the second flange (2) is slidably connected with a first rack (5), the first rack (5) is meshed with the second rotating wheel (4), the top end of the first rack (5) is fixedly connected with a bulge (6), the inner wall of the first flange (1) is provided with a groove (7), the bulge (6) is matched with the groove (7), the bottom end of the first flange (1) is fixedly connected with a sealing gasket (8), the inner parts of the first flange (1) and the second flange (2) are both provided with an installation through hole (14), the inner wall of the installation through hole (14) is bolted with a screw rod (9), the outer surface of the screw rod (9) is in threaded connection with a sliding sleeve (12), one side of the sliding sleeve (12) close to the first rotating wheel (3) is fixedly connected with a second rack (13), and the first rotating wheel (3) is meshed with the second rack (13).

2. A pipe coupling flange according to claim 1, wherein: the top end of the screw rod (9) is connected with two nuts (11) through bolts, and a gasket (10) is sleeved on the outer surface of the screw rod (9) close to the bottom end.

3. A pipe coupling flange according to claim 1, wherein: the six installation through holes (14) are arranged, and the diameters of the six installation through holes (14) are the same.

4. A pipe coupling flange according to claim 1, wherein: the first flange (1) is a concave circular ring, and the second flange (2) is a hollow circular ring.

5. A pipe coupling flange according to claim 1, wherein: the sealing gasket (8) is made of rubber.

6. A pipe coupling flange according to claim 1, wherein: the fixed connection mode between the second rack (13) and the sliding sleeve (12) is welding.