CN216555805U

CN216555805U - Flange suitable for bent pipeline connection

Info

Publication number: CN216555805U
Application number: CN202123226195.6U
Authority: CN
Inventors: 张润宏; 徐向宏
Original assignee: Dingxiang Xinkun Flange Forging Co ltd
Current assignee: Dingxiang Xinkun Flange Forging Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-17
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of flanges, and particularly discloses a flange suitable for connecting a bent pipeline. This a flange for crooked pipe connection, crooked pipeline plug-in goes into the solid fixed ring of ring flange upper end, thereby increase the area of contact of crooked pipeline and flange ring, make the fastness between crooked pipeline and the flange ring good, rotating hex bolts one, from what to fix crooked pipeline and ring flange, the go-between is with the sealing washer simultaneously, backing ring and crooked pipeline seal, can increase the leakproofness, make crooked pipeline and ring flange connect, avoid solution from the seepage between crooked pipe and the ring flange, thereby can transport solution in a large number.

Description

Flange suitable for bent pipeline connection

Technical Field

The utility model relates to the technical field of flanges, in particular to a flange suitable for connecting a bent pipeline.

Background

The flange is also called a flange collar or flange. The flange is a part for connecting pipes 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.

Contact area between crooked pipeline and the flange ring is little for the fastness is poor between crooked pipeline and the flange ring, and the thickness of crooked pipeline and flange ring weld point position is thin, leads to the welding position to weld badly easily, and the contact surface between the flange is little in addition, makes the fastness not enough between the flange, and the leakproofness between the flange is poor, leads to the not good enough problem of sealed effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a flange suitable for bending pipeline connection, so as to solve the problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a flange suitable for crooked pipe connection, includes crooked pipeline and sealing mechanism, sealing mechanism bottom surface is connected with coupling mechanism, the inside top surface of coupling mechanism is connected with solid fixed ring, the sealing mechanism inner circle is connected with the sealing washer, crooked pipe connection is in sealing mechanism's bottom surface.

The sealing mechanism comprises a connecting ring and a sliding block, a first hexagonal bolt is connected to the lower end of the sliding block, a connecting block is connected to the lower end of the first hexagonal bolt, a groove is formed in the left end of the connecting ring, a sliding ring is connected to the back of the connecting block, and the connecting ring is connected to the left side surface and the right side surface of the sliding block.

Furthermore, coupling mechanism includes ring flange and hexagon bolt two, the lower extreme of hexagon bolt two is connected with hexagon nut, the bottom surface of ring flange is connected with the backing ring, the ring flange is connected in hexagon bolt's lower extreme.

Further, the slider is connected by a short rectangular piece and two long rectangular pieces, two the inside surface of long rectangular piece and recess is connected, the slider is connected in the top surface of ring flange, the quantity of slider is four, two the slider is a set of, and is two sets of the slider is connected in the bottom surface and the top surface of ring flange, and the slider slides in the recess inside for ring flange and go-between are connected, thereby fix crooked pipeline.

Further, the connection rings are connected to the top and bottom end surfaces of the flange, the connection rings are connected to the surfaces of the seal rings connected to the surfaces of the lower ends of the bent pipes, the seal rings are connected to the top end surface of the back-up ring, and the connection rings and the flange are connected, so that the sealing performance can be increased.

Further, the quantity of ring flange is two, the top surface and the bottom surface of ring flange have the ring dress arch, and encircle the dress arch and be connected with solid fixed ring, the ring flange is connected in the below of backing ring, upper end the ring flange is connected in the upper end of hexagon bolt two, the lower extreme the ring flange is connected in hexagon nut's top surface, and ring flange and hexagon bolt two rotate to fix the ring flange, increase the leakproofness.

Further, threaded groove has been seted up to the ring flange, threaded groove's quantity is twelve, six threaded groove connects in the edge of flange dish, threaded groove connects in the surface of hexagon bolt two, and hexagon bolt two rotates in threaded groove inside to fix the ring flange.

Furthermore, the number of the connecting rings is four, the connecting rings are arc-shaped, the left side and the right side of each connecting ring are arranged in the corresponding groove, the grooves are rectangular, and the sliding blocks can move through the grooves, so that the connecting rings are fixed.

The utility model has the beneficial effects that:

1. this a flange for crooked pipe connection, crooked pipeline plug in go into the solid fixed ring of ring flange upper end to increase the contact neps of crooked pipeline and flange ring, make the fastness good between crooked pipeline and the flange ring, rotating hex bolts one, from what will crooked pipeline and ring flange fix.

2. This a flange for crooked pipe connection, the go-between seals sealing washer, backing ring and crooked pipeline, can increase the leakproofness for crooked pipeline and ring flange are connected, avoid solution from leaking between crooked pipe and the ring flange.

Drawings

FIG. 1 is a perspective view of a flange suitable for use in a curved pipe connection according to the present invention;

FIG. 2 is an enlarged partial view of a flange suitable for a bent pipe connection according to the present invention at A in FIG. 1;

FIG. 3 is a perspective view of a sealing mechanism and a coupling mechanism of a flange suitable for a curved pipe coupling according to the present invention;

FIG. 4 is an enlarged partial view of a flange suitable for bending a pipe joint according to the present invention at B in FIG. 3;

fig. 5 is a schematic view of a retainer ring and a hexagon bolt of a flange suitable for a bent pipe connection according to the present invention.

In the figure: 1. bending the pipeline; 2. a sealing mechanism; 201. a connecting ring; 202. a slider; 203. a slip ring; 204. a first hexagon bolt; 205. connecting blocks; 206. a groove; 3. a connecting mechanism; 301. a flange plate; 302. a hexagonal nut; 303. a second hexagon bolt; 304. a backing ring; 4. a seal ring; 5. and (4) fixing the ring.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to figures 1-5: the utility model provides a flange suitable for crooked pipeline is connected, includes crooked pipeline 1 and sealing mechanism 2, and 2 bottom surface swing joint of sealing mechanism have coupling mechanism 3, and 3 inside top surface swing joint of coupling mechanism have solid fixed ring 5, and 2 inner circle swing joint of sealing mechanism have sealing washer 4, and 1 swing joint of crooked pipeline is in the bottom surface of sealing mechanism 2.

The sealing mechanism 2 comprises a connecting ring 201 and sliders 202, the sliders 202 are connected by a short rectangular block and two long rectangular blocks, the two long rectangular blocks are connected with the surface inside a groove 206, the sliders 202 are movably connected with the top end surface of the flange plate 301, the number of the sliders 202 is four, the two sliders 202 are in one group, the two groups of sliders 202 are slidably connected with the bottom end surface and the top end surface of the flange plate 301, the sliders 202 slide inside the groove 206 to enable the flange plate 301 and the connecting ring 201 to be connected, so that the bent pipeline 1 is fixed, the lower end of each slider 202 is rotatably connected with a first hexagonal bolt 204, the lower end of each first hexagonal bolt 204 is rotatably connected with a connecting block 205, the number of the connecting rings 201 is four, the connecting ring 201 is arc-shaped, the groove 206 is arranged on the left side and the right side of the connecting ring 201, the groove 206 is rectangular, and the sliders 202 are moved by the groove 206, therefore, the connecting ring 201 is fixed, the groove 206 is formed in the left end of the connecting ring 201, the connecting ring 201 is fixedly connected to the top end surface and the bottom end surface of the flange plate 301, the connecting ring 201 is slidably connected to the surface of the sealing ring 4, the sealing ring 4 is fixedly connected to the surface of the lower end of the bent pipeline 1, the sealing ring 4 is movably connected to the top end surface of the backing ring 304, the connecting ring 201 is connected with the flange plate 301, sealing performance can be improved, the sliding ring 203 is fixedly connected to the back of the connecting block 205, and the connecting ring 201 is slidably connected to the left side surface and the right side surface of the sliding block 202.

The connecting mechanism 3 comprises two flange plates 301 and two hexagonal bolts 303, the number of the flange plates 301 is two, the top end surface and the bottom end surface of the flange plates 301 are provided with annular protrusions which are connected with the fixing ring 5, the flange plates 301 are movably connected below the backing ring 304, the upper end flange plates 301 are rotatably connected to the upper ends of the hexagonal bolts 303, the lower end flange plates 301 are rotatably connected to the top end surfaces of the hexagonal nuts 302, the flange plates 301 and the hexagonal bolts 303 are rotated to fix the flange plates 301 and increase the sealing performance, the lower ends of the hexagonal bolts 303 are rotatably connected with the hexagonal nuts 302, the bottom end surfaces of the flange plates 301 are fixedly connected with the backing ring 304, the flange plates 301 are rotatably connected to the lower ends of the hexagonal bolts 303, the flange plates 301 are provided with threaded grooves, the number of the threaded grooves is twelve, the six threaded grooves are formed in the edges of the flange plates 301, and the threaded grooves are rotatably connected to the surfaces of the hexagonal bolts 303, the second hexagon bolt 303 rotates inside the screw groove to fix the flange 301.

When the bent pipeline 1 is used, the bent pipeline 1 is pushed downwards, the bottom end surface of the bent pipeline 1 moves on the surface of the fixing ring 5, the bottom end of the bent pipeline 1 is annularly provided with the protrusion and connected with the flange plate 301, the pushing backing ring 304 moves inside the connecting ring 201, the pushing sealing ring 4 is inserted into the connecting ring 201, at this time, the upper end of the sliding block 202 is held, the sliding block 202 is pushed downwards to be inserted into the groove 206 formed in the connecting ring 201, the sliding block 202 is connected with the connecting block 205, the first hexagonal bolt 204 is connected with the lower end of the connecting block 205 by rotating the first hexagonal bolt 204, the connecting block 205 is connected with the sliding block 202, the bent pipeline 1 is fixed, and the second hexagonal bolt 303 is inserted into the edge of the flange plate 301 by pushing the second hexagonal bolt 303, and then the hexagonal nut 302 is rotated, so that the two flange plates 301 are fixed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. A flange suitable for bent pipe connection, including bent pipe (1) and sealing mechanism (2), its characterized in that: the bottom end surface of the sealing mechanism (2) is connected with a connecting mechanism (3), the top end surface inside the connecting mechanism (3) is connected with a fixing ring (5), the inner ring of the sealing mechanism (2) is connected with a sealing ring (4), and the bent pipeline (1) is connected to the bottom end surface of the sealing mechanism (2);

the sealing mechanism (2) comprises a connecting ring (201) and a sliding block (202), the lower end of the sliding block (202) is connected with a first hexagonal bolt (204), the lower end of the first hexagonal bolt (204) is connected with a connecting block (205), the left end of the connecting ring (201) is provided with a groove (206), the back of the connecting block (205) is connected with a sliding ring (203), and the connecting ring (201) is connected to the left side surface and the right side surface of the sliding block (202).

2. A flange suitable for curved conduit connections according to claim 1, wherein: coupling mechanism (3) are including ring flange (301) and two (303) of hex bolts, the lower extreme of two (303) of hex bolts is connected with hexagon nut (302), the bottom surface connection of ring flange (301) has backing ring (304), the lower extreme in hex bolts is connected in ring flange (301).

3. A flange suitable for curved conduit connections according to claim 1, wherein: the slider (202) is connected by a short rectangular piece and two long rectangular pieces, and two long rectangular pieces are connected with the inside surface of recess (206), slider (202) are connected in the top surface of ring flange (301), the quantity of slider (202) is four, two slider (202) are a set of, and two sets of slider (202) are connected in the bottom surface and the top surface of ring flange (301).

4. A flange suitable for curved conduit connections according to claim 3, wherein: the connecting rings (201) are connected to the top end surface and the bottom end surface of the flange plate (301), the connecting rings (201) are connected to the surface of the sealing ring (4), the sealing ring (4) is connected to the surface of the lower end of the bent pipeline (1), and the sealing ring (4) is connected to the top end surface of the backing ring (304).

5. A flange suitable for curved conduit connections according to claim 2, wherein: the quantity of ring flange (301) is two, the top surface and the bottom surface of ring flange (301) have the ring dress arch, and encircle the dress arch and be connected with solid fixed ring (5), ring flange (301) are connected in the below of backing ring (304), the upper end ring flange (301) are connected in the upper end of hexagon bolt two (303), the lower extreme ring flange (301) are connected in the top surface of hexagon nut (302).

6. A flange suitable for curved conduit connections according to claim 5, wherein: the flange plate (301) is provided with twelve threaded grooves, the number of the threaded grooves is twelve, six threaded grooves are connected to the edge of the flange plate (301), and the threaded grooves are connected to the surface of the second hexagon bolt (303).

7. A flange suitable for curved conduit connections according to claim 4, wherein: the number of the connecting rings (201) is four, the connecting rings (201) are arc-shaped, the left side and the right side of the connecting rings (201) are arranged in the grooves (206), and the grooves (206) are rectangular.