CN110878868A

CN110878868A - Welding neck flange with torticollis structure

Info

Publication number: CN110878868A
Application number: CN201911187022.2A
Authority: CN
Inventors: 王浩
Original assignee: XUZHOU JIUDING FORGING TECHNOLOGY CO LTD
Current assignee: XUZHOU JIUDING FORGING TECHNOLOGY CO LTD
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-03-13

Abstract

The invention relates to the technical field of flanges and discloses a welding neck flange with an inclined neck structure, which comprises two symmetrically arranged flange plates, wherein the two flange plates are arranged in an abutting mode, the sections of the two flange plates are both arranged in a circular mode, inclined neck platforms are fixedly connected to the opposite side walls of the two flange plates, the inclined neck platforms are arranged in a circular platform mode, a first through hole is formed in the middle of each flange plate, a second through hole matched with the first through hole is formed in each inclined neck platform, the axes of the first through hole and the second through hole are arranged in an overlapping mode, a limiting mechanism is symmetrically arranged at the opposite end of each flange plate, and a sealing mechanism is arranged between the opposite side walls of the two flange plates. This welding neck flange with torticollis structure, the leakproofness is good when being convenient for weld.

Description

Welding neck flange with torticollis structure

Technical Field

The invention relates to the technical field of flanges, in particular to a welding neck flange with a tapered neck structure.

Background

A Flange (Flange), also known as a Flange collar or Flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment.

The flanges are connected by welding, the flange plates need to be fixed in the welding process, and then welding can be carried out, however, the existing flange plates lack limiting devices, and therefore welding of the flanges is inconvenient.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the welding neck flange with the inclined neck structure, which has the advantages of convenient welding, good sealing performance and the like, and solves the problems that the existing flange is inconvenient to weld and poor in sealing performance.

(II) technical scheme

In order to achieve the purpose of convenient welding and good sealing performance, the invention provides the following technical scheme: the utility model provides a welding neck flange with torticollis structure, includes the ring flange that two symmetries set up, two the ring flange offsets and sets up, two the section of ring flange all is circular setting, two equal fixedly connected with neck platform to one side on the ring flange lateral wall that carries on the back mutually, neck platform to one side is the setting of round platform type, first through-hole has been seted up at the middle part of ring flange, neck bench to one side set up with first through-hole assorted second through-hole, and the axis of first through-hole and second through-hole overlaps the setting mutually, two stop gear, two are installed to the one end symmetry that the ring flange carried on the back mutually, two install sealing mechanism jointly between the lateral wall that the ring flange is in opposite directions.

Preferably, stop gear includes two draw-in grooves and a spacing section of thick bamboo, two the draw-in groove is seted up on the ring flange about the torticollis symmetry, a spacing section of thick bamboo offsets the setting with two ring flanges, the symmetry is provided with the pull rod, two in the spacing section of thick bamboo common fixedly connected with extension spring between the pull rod, two the nozzle and the outside extension of a spacing section of thick bamboo are all passed to the one end that the pull rod was carried on the back mutually, and fixedly connected with limiting plate, the limiting plate offsets with the ring flange, and fixedly connected with and draw-in groove assorted gag lever post on the limiting plate was close to the lateral wall of ring flange, the gag lever post passes the notch of draw-in groove and extends to the draw-.

Preferably, sealing mechanism includes seal groove and sealed the pad, the section of seal groove and sealed pad all is the annular setting, the seal groove is seted up on the lateral wall that oblique neck platform was kept away from to one of them ring flange, sealed pad is inserted and is established in the seal groove, and sealed pad passes the notch of seal groove and outwards extends, and with another ring flange fixed connection, the axis of seal groove, sealed pad, first through-hole and second through-hole overlaps mutually, and seal groove and sealed pad cover establish on first through-hole.

Preferably, the opposite inner cylinder wall of the limiting cylinder is symmetrically provided with sliding grooves, the sliding grooves are symmetrically and slidably connected with sliding blocks, and one ends, far away from the bottoms of the sliding grooves, of the sliding blocks penetrate through the notches of the sliding grooves and extend outwards and are fixedly connected with corresponding pull rods.

Preferably, a ball groove is formed in one end, close to the bottom of the sliding groove, of the sliding block, a ball is connected in the ball groove in a rolling mode, and one end, far away from the bottom of the ball groove, of the ball penetrates through a notch of the ball groove and extends outwards and is connected with the bottom of the sliding groove in a rolling mode.

Preferably, a connecting groove with an annular section is formed in the wall, away from the first through hole, of the second through hole, and the wall, away from the first through hole, of the connecting groove penetrates through the inclined neck platform.

Preferably, the flange plate and the inclined neck platform are integrally formed.

Preferably, the limiting rod is close to one end of the clamping groove bottom and is fixedly connected with the magnet, and the flange plate and the inclined neck platform are made of iron.

Preferably, the limiting cylinder, the flange plate, the inclined neck platform and the limiting plate are all coated with antirust paint.

Preferably, the annular outer side wall of the inclined neck platform is fixedly provided with anti-skid grains.

(III) advantageous effects

Compared with the prior art, the invention provides a welding neck flange with a torticollis structure, which has the following beneficial effects:

the welding neck flange with the inclined neck structure comprises a clamping groove, a limiting cylinder, a pull rod, a tension spring, limiting plates, limiting rods, a sliding groove and a sliding block, wherein before welding, the two flange plates are abutted, the inclined neck platform is sleeved on a corresponding pipeline, then the two flange plates are abutted, opposite tension forces are applied to the two limiting plates, so that the pull rod moves in an opposite way, the two limiting rods move in an opposite way, the two limiting rods are pulled to two sides in an opposite way, the limiting rods are clamped into the corresponding clamping grooves, the tension force to the limiting plates is cancelled, the tension spring is reset, the two pull rods move in opposite directions, then the two limiting plates move in opposite directions, the limiting rods are clamped into the clamping grooves, the two flange plates are pre-connected, welding is carried out, after welding is finished, opposite tension forces are carried out on the two limiting plates, and the two limiting rods move in an opposite way, and then make spacing section of thick bamboo detachable, the welding of the ring flange of being convenient for.

Drawings

FIG. 1 is a schematic structural view of a welding neck flange with a tapered neck structure according to 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 a portion C in fig. 1.

In the figure: the device comprises a flange plate 1, a slant neck platform 2, a first through hole 3, a second through hole 4, a sealing mechanism 5, a sealing groove 51, a sealing gasket 52, a clamping groove 6, a limiting cylinder 7, a pull rod 8, a tension spring 9, a limiting plate 10, a limiting rod 11, a sliding groove 12, a sliding block 13, a ball groove 14, a ball 15 and a connecting groove 16.

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.

Referring to fig. 1-4, a welding neck flange with a slant neck structure comprises two flange plates 1 which are symmetrically arranged, the two flange plates 1 are arranged in an abutting manner, the cross sections of the two flange plates 1 are both circular, the side walls of the two flange plates 1 which are opposite to each other are fixedly connected with a slant neck platform 2, the slant neck platform 2 is arranged in a circular platform manner, the middle part of the flange plate 1 is provided with a first through hole 3, the slant neck platform 2 is provided with a second through hole 4 which is matched with the first through hole 3, the axes of the first through hole 3 and the second through hole 4 are overlapped, the ends of the two flange plates 1 which are opposite to each other are symmetrically provided with a limiting mechanism, a sealing mechanism 5 is jointly arranged between the opposite side walls of the two flange plates 1, the limiting mechanism comprises two clamping grooves 6 and a limiting cylinder 7, the two clamping grooves 6 are symmetrically arranged on the flange plates 1 relative to the slant neck platform 2, the limiting, the pull rods 8 are symmetrically arranged in the limiting cylinder 7, the tension springs 9 are fixedly connected between the two pull rods 8, the opposite ends of the two pull rods 8 penetrate through the cylinder opening of the limiting cylinder 7 and extend outwards, the limiting plates 10 are fixedly connected, the limiting plates 10 abut against the flange plates 1, the limiting plates 10 are fixedly connected to the side walls, close to the flange plates 1, of the limiting plates 10, the limiting rods 11 matched with the clamping grooves 6 are fixedly connected, the limiting rods 11 penetrate through the notches of the clamping grooves 6 and extend inwards into the clamping grooves 6, the limiting rods 11 are inserted into the clamping grooves 6, before welding, the two flange plates 1 abut against each other, the inclined neck platforms 2 are sleeved on the corresponding pipelines, then the two flange plates 3 abut against each other, opposite tensile forces are applied to the two limiting plates 10, the pull rods 8 move oppositely, the two limiting rods 11 move oppositely and are pulled to two sides, and the limiting rods 11 are clamped into the corresponding clamping grooves 6, the pulling force to limiting plate 10 is cancelled, and then extension spring 9 resets, make two pull rods 8 carry out motion in opposite directions, two limiting plates 10 carry out motion in opposite directions after that, and then make 11 card of gag lever post go into draw-in groove 6, make two ring flanges 1 carry out the pre-connection, it can to weld after that, after the welding finishes, carry out the pulling force that carries on the back mutually to two limiting plates 10, and then two gag lever posts 11 carry out the motion of carrying on the back mutually, and then make 7 detachable of a spacing section of thick bamboo, the welding of the ring flange 1 of being convenient for.

Sealing mechanism 5 includes seal groove 51 and sealed pad 52, the section of seal groove 51 and sealed pad 52 all is the annular setting, seal groove 51 is seted up on the lateral wall that one of them ring flange 1 is far away from oblique neck platform 2, sealed pad 52 is inserted and is established in seal groove 51, and sealed pad 52 passes the notch of seal groove 51 and outwards extends, and with another ring flange 1 fixed connection, seal groove 51, sealed pad 52, the axis of first through-hole 3 and second through-hole 4 overlaps mutually, and seal groove 51 and sealed pad 52 cover are established on first through-hole 3, adopt sealed pad 52 cooperation seal groove 51 to use, seal two ring flanges 1, improve the leakproofness.

Spout 12 has been seted up to the symmetry on the relative inner tube wall of spacing section of thick bamboo 7, and symmetrical sliding connection has slider 13 in the spout 12, and the one end that 12 tank bottoms in spout 12 were kept away from to slider 13 all passes the notch of spout 12 and outwards extends, and with the pull rod 8 fixed connection that corresponds, prevents that pull rod 8 from breaking away from the condition emergence of spacing section of thick bamboo 7.

The ball groove 14 has been seted up to the one end that slider 13 is close to spout 12 tank bottoms, and ball groove 14 internal rolling is connected with ball 15, and the one end that ball 15 kept away from ball groove 14 tank bottoms passes ball groove 14 notch and outwards extends, and with the tank bottom rolling connection of spout 12, makes the gliding more swift of slider 13.

The second through hole 4 is kept away from and has been seted up the section for annular spread groove 16 on the pore wall of first through hole 3, and spread groove 16 keeps away from the cell wall of first through hole 3 and runs through the setting of neck platform 2 to one side, is convenient for insert the pipeline on the neck platform 2 to one side.

The flange plate 1 and the inclined neck platform 2 are integrally formed, so that the manufacturing is convenient.

One end fixed connection magnetite that gag lever post 11 is close to 6 tank bottoms of draw-in groove, the material of ring flange 1 and torticollis platform 2 is iron, makes that gag lever post 11 is connected more firmly with draw-in groove 6.

All scribble the anti-rust paint on spacing section of thick bamboo 7, ring flange 1, oblique neck platform 2 and the limiting plate 10, prevent that the rusty condition of spacing section of thick bamboo 7, ring flange 1, oblique neck platform 2 and limiting plate 10 from taking place.

The annular outer side wall of the inclined neck platform 2 is fixedly provided with anti-slip lines, so that the inclined neck platform 2 is convenient to use.

In summary, before welding, the two flanges 1 are abutted, the inclined neck platform 2 is sleeved on the corresponding pipeline, then the two flanges 3 are abutted, opposite pulling forces are applied to the two limiting plates 10, then the pull rods 8 move oppositely, further the two limiting rods 11 move oppositely and are pulled to two sides, further the limiting rods 11 are clamped into the corresponding clamping grooves 6, the pulling force on the limiting plates 10 is cancelled, further the tension spring 9 is reset, so that the two pull rods 8 move oppositely, then the two limiting plates 10 move oppositely, further the limiting rods 11 are clamped into the clamping grooves 6, so that the two flanges 1 are pre-connected, then welding is performed, after welding is completed, opposite pulling forces are performed on the two limiting plates 10, further the two limiting rods 11 move oppositely, and further the limiting cylinder 7 can be detached, the flange plate 1 is convenient to weld.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a welding neck flange with torticollis structure, includes ring flange (1) that two symmetries set up, its characterized in that: two ring flange (1) offsets and sets up, two the section of ring flange (1) all is circular setting, two equal fixedly connected with neck platform (2) to one side on the lateral wall that ring flange (1) carried on the back mutually, neck platform (2) are the setting of round platform type to one side, first through-hole (3) have been seted up at the middle part of ring flange (1), set up on neck platform (2) to one side with first through-hole (3) assorted second through-hole (4), and the axis of first through-hole (3) and second through-hole (4) overlaps mutually and sets up, two stop gear is installed to ring flange (1) one end symmetry of carrying on the back mutually, two install sealing mechanism (5) between ring flange (1) the lateral wall that faces mutually.

2. A welding neck flange with a torticollis structure according to claim 1, characterized in that: the limiting mechanism comprises two clamping grooves (6) and a limiting cylinder (7), the two clamping grooves (6) are symmetrically arranged on the flange plate (1) relative to the inclined neck platform (2), the limiting cylinder (7) is abutted against the two flange plates (1), pull rods (8) are symmetrically arranged in the limiting cylinder (7), a tension spring (9) is fixedly connected between the two pull rods (8) together, one end of each pull rod (8) opposite to the other end penetrates through the opening of the limiting cylinder (7) and extends outwards, and is fixedly connected with a limit plate (10), the limit plate (10) is propped against the flange plate (1), and the side wall of the limiting plate (10) close to the flange plate (1) is fixedly connected with a limiting rod (11) matched with the clamping groove (6), the limiting rod (11) penetrates through the notch of the clamping groove (6) and extends into the clamping groove (6), and the limiting rod (11) is inserted into the clamping groove (6).

3. A welding neck flange with a torticollis structure according to claim 1, characterized in that: sealing mechanism (5) are including seal groove (51) and sealed pad (52), the section of seal groove (51) and sealed pad (52) all is the annular setting, set up on the lateral wall of keeping away from oblique neck platform (2) in one of them ring flange (1) seal groove (51), sealed pad (52) are inserted and are established in seal groove (51), and sealed pad (52) pass the notch of seal groove (51) and outwards extend, and with another ring flange (1) fixed connection, the axis of seal groove (51), sealed pad (52), first through-hole (3) and second through-hole (4) overlaps mutually, and seal groove (51) and sealed pad (52) cover establish on first through-hole (3).

4. A welding neck flange with a torticollis structure according to claim 2, characterized in that: the limiting cylinder is characterized in that sliding grooves (12) are symmetrically formed in the wall, opposite to the inner cylinder, of the limiting cylinder (7), sliding blocks (13) are symmetrically and slidably connected in the sliding grooves (12), one ends, far away from the bottoms of the sliding grooves (12), of the sliding blocks (13) penetrate through notches of the sliding grooves (12) and extend outwards, and the sliding blocks are fixedly connected with corresponding pull rods (8).

5. A welding neck flange with a torticollis structure according to claim 4, characterized in that: the ball groove (14) have been seted up to slider (13) one end near spout (12) tank bottom, roll in ball groove (14) and be connected with ball (15), ball (15) are kept away from the one end of ball groove (14) tank bottom and are passed ball groove (14) notch and outwards extend, and with the tank bottom roll connection of spout (12).

6. A welding neck flange with a torticollis structure according to claim 1, characterized in that: the wall of the second through hole (4) far away from the first through hole (3) is provided with a connecting groove (16) with an annular section, and the wall of the connecting groove (16) far away from the first through hole (3) penetrates through the inclined neck platform (2).

7. A welding neck flange with a torticollis structure according to claim 1, characterized in that: the flange plate (1) and the inclined neck platform (2) are integrally formed.

8. A welding neck flange with a torticollis structure according to claim 2, characterized in that: the limiting rod (11) is close to one end fixed connection magnet at the bottom of the clamping groove (6), and the flange plate (1) and the torticollis table (2) are made of iron.

9. A welding neck flange with a torticollis structure according to claim 2, characterized in that: and the limiting cylinder (7), the flange plate (1), the inclined neck platform (2) and the limiting plate (10) are coated with antirust paint.

10. A welding neck flange with a torticollis structure according to claim 1, characterized in that: and anti-skid lines are fixedly arranged on the annular outer side wall of the inclined neck platform (2).