CN209909362U

CN209909362U - Novel flange for chemical pipeline

Info

Publication number: CN209909362U
Application number: CN201920810692.4U
Authority: CN
Inventors: 王森
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-07
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a novel flange for chemical pipelines, which comprises an upper flange plate, wherein a lower flange plate is arranged below the upper flange plate, a pipe body is integrally formed on the inner side wall of the upper flange plate and the inner side wall of the lower flange plate, and the upper surface of the lower flange plate is uniformly, symmetrically and fixedly connected with an inserting block; when the inserting block is inserted into the inserting groove, the second slope part of the inserting block is contacted with the third slope part of the second limiting block, the second slope part extrudes a third slope part, the second limiting block is pushed to move towards the direction far away from the inserting block, the third slope part extrudes the first slope part, the first slope part is pushed to move downwards, the first slope part extrudes the fourth slope part of the first limiting block, the first limiting block is enabled to move towards the position close to the inserting block, when the inserting block is completely inserted into the inserting groove, the first limiting block is inserted into the second limiting groove, the inserting block is prevented from being separated from the inserting groove, the lower flange plate is prevented from being separated from the upper flange plate, and the sealing performance of the upper flange plate and the lower flange plate is improved.

Description

Novel flange for chemical pipeline

Technical Field

The utility model relates to a flange technical field for the pipeline specifically is a novel flange for chemical pipeline.

Background

Flanges, also called flange flanges or lugs, are parts of the mutual connection between shafts, used for the connection between pipe ends; also there is the flange on equipment import and export for the connection between two equipment, current flange mostly only adopts fixing bolt to connect, however some are used for the flange on the chemical pipeline, after the live time overlength, easily lead to the bolt kneck not hard up, and the leakproofness is relatively poor, for this, provides a novel flange for chemical pipeline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel flange for chemical pipeline to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel flange for chemical pipelines comprises an upper flange plate, a lower flange plate is arranged below the upper flange plate, a pipe body is integrally formed on the inner side wall of the upper flange plate and the inner side wall of the lower flange plate, inserting blocks are uniformly and symmetrically fixedly connected to the upper surface of the lower flange plate, inserting grooves are uniformly and symmetrically formed in the lower surface of the upper flange plate, the inserting blocks are inserted into the inserting grooves, two first limiting grooves are symmetrically formed in two sides of each inserting groove, fixed blocks are fixedly connected to the first limiting grooves, first limiting blocks are arranged at the bottoms of the fixed blocks, second limiting blocks are arranged at the tops of the fixed blocks, third limiting blocks are arranged on one sides of the fixed blocks, away from the inserting blocks, two first slope portions are symmetrically formed in the upper side and the lower side of each first limiting block, two second slope portions are symmetrically arranged at the tops of the inserting blocks, the bilateral symmetry of second stopper is equipped with two third slope portions, the bilateral symmetry of first stopper is equipped with two fourth slope portions, two second spacing grooves have been seted up to the bilateral symmetry of grafting piece, fourth slope portion inserts the second spacing inslot.

As further preferable in the present technical solution: the inside wall integrated into one piece of body has the flow distribution plate, the even symmetry fixedly connected with bellying of inside wall of flow distribution plate.

As further preferable in the present technical solution: through holes are uniformly and symmetrically formed in one side of the upper flange plate and one side of the lower flange plate, fixing bolts are arranged in the through holes, and the upper flange plate and the lower flange plate are fixedly connected through the fixing bolts.

As further preferable in the present technical solution: the two first slope parts of the third limiting block are respectively attached to the third slope part and the fourth slope part.

As further preferable in the present technical solution: the inclination angles of the first slope portion, the second slope portion, the third slope portion and the fourth slope portion are all arranged at an included angle of forty-five degrees with the horizontal plane.

As further preferable in the present technical solution: four sealing rings are symmetrically arranged on the upper surface of the lower flange plate, springs are fixedly connected to the tops of the sealing rings, and the springs are inserted into the first limiting grooves.

Compared with the prior art, the beneficial effects of the utility model are that: when the inserting block is inserted into the inserting groove, the second slope part of the inserting block is contacted with the third slope part of the second limiting block, the second slope part extrudes a third slope part, the second limiting block is pushed to move towards the direction far away from the inserting block, the third slope part extrudes the first slope part, the first slope part is pushed to move downwards, the first slope part extrudes the fourth slope part of the first limiting block, the first limiting block is enabled to move towards the position close to the inserting block, when the inserting block is completely inserted into the inserting groove, the first limiting block is inserted into the second limiting groove, the inserting block is prevented from being separated from the inserting groove, the lower flange plate is prevented from being separated from the upper flange plate, and the sealing performance of the upper flange plate and the lower flange plate is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of region A of FIG. 1;

fig. 3 is a top view of the lower and middle flanges of the present invention.

In the figure: 1. an upper flange plate; 2. a lower flange plate; 3. a pipe body; 4. a flow distribution plate; 5. a boss portion; 6. fixing the bolt; 7. a seal ring; 8. an insertion block; 9. inserting grooves; 10. a first limit groove; 11. a fixed block; 12. a first stopper; 13. a second limiting block; 14. a third limiting block; 15. a first slope portion; 16. a second slope portion; 17. a second limit groove; 18. a spring; 19. a through hole; 20. a third slope portion; 21. a fourth slope portion.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a novel flange for chemical pipelines comprises an upper flange plate 1, a lower flange plate 2 is arranged below the upper flange plate 1, a pipe body 3 is integrally formed on the inner side wall of the upper flange plate 1 and the inner side wall of the lower flange plate 2, inserting blocks 8 are uniformly and symmetrically fixedly connected to the upper surface of the lower flange plate 2, inserting grooves 9 are uniformly and symmetrically formed in the lower surface of the upper flange plate 1, the inserting blocks 8 are inserted into the inserting grooves 9, two first limiting grooves 10 are symmetrically formed in two sides of each inserting groove 9, fixed blocks 11 are fixedly connected to the inside of the first limiting grooves 10, first limiting blocks 12 are arranged at the bottoms of the fixed blocks 11, second limiting blocks 13 are arranged at the tops of the fixed blocks 11, third limiting blocks 14 are arranged on one sides of the fixed blocks 11, away from the inserting blocks 8, two first slope portions 15 are symmetrically arranged on the upper side and the lower side of the first limiting blocks 12, the top symmetry of plug-in block 8 is equipped with two second slope portions 16, the bilateral symmetry of second stopper 13 is equipped with two third slope portions 20, the bilateral symmetry of first stopper 12 is equipped with two fourth slope portions 21, two second spacing grooves 17 have been seted up to plug-in block 8's bilateral symmetry, fourth slope portion 21 inserts in the second spacing groove 17.

In this embodiment, specifically: a splitter plate 4 is integrally formed on the inner side wall of the pipe body 3, and convex parts 5 are uniformly and symmetrically and fixedly connected to the inner side wall of the splitter plate 4; through setting up flow distribution plate 4 and bellying 5, can slow down the flow speed of flange joint department to reduce the damage that flow impact brought the flange, prolong the life-span of flange use.

In this embodiment, specifically: through holes 19 are uniformly and symmetrically formed in one side of the upper flange plate 1 and one side of the lower flange plate 2, fixing bolts 6 are arranged in the through holes 19, and the upper flange plate 1 and the lower flange plate 2 are fixedly connected through the fixing bolts 6; through the arrangement, the upper flange plate 1 and the lower flange plate 2 can be connected.

In this embodiment, specifically: the two first slope parts 15 of the third limiting block 14 are respectively attached to the third slope part 20 and the fourth slope part 21; through the arrangement, when the second limiting block 13 moves in the direction away from the insertion block 8, the third slope part 20 can push the first slope part 15, so that the third limiting block 14 moves downwards, and when the third limiting block 14 moves downwards, the fourth slope part 21 is pushed by the first slope part 15.

In this embodiment, specifically: the inclination angles of the first slope part 15, the second slope part 16, the third slope part 20 and the fourth slope part 21 are all arranged to form an included angle of forty-five degrees with the horizontal plane; through the arrangement, the inserting block 8, the first limiting block 12, the second limiting block 13 and the third limiting block 14 can be better attached together.

In this embodiment, specifically: four sealing rings 7 are symmetrically arranged on the upper surface of the lower flange plate 2, the tops of the sealing rings 7 are fixedly connected with springs 18, and the springs 18 are inserted into the first limiting grooves 10; through the arrangement, after the first limiting block 12 is inserted into the second limiting groove 17, the first limiting block 12 can extrude the spring 18, so that the spring 18 compresses the sealing ring 7, and the sealing performance of the sealing ring 7 is improved.

Working principle or structural principle: when the flange is installed on a chemical pipeline, the upper flange plate 1 is aligned with the lower flange plate 2, then the plug-in block 8 on the lower flange plate 2 is inserted into the plug-in groove 9 of the upper flange plate 1, when the plug-in block 8 is inserted into the plug-in groove 9, the second slope part 16 of the plug-in block 8 touches the third slope part 20 of the second limit block 13, the second slope part 16 presses one third slope part 20, the second limit block 13 is pushed to move in a direction far away from the plug-in block 8, one third slope part 20 of the second limit block 13 far away from the plug-in block 8 presses the first slope part 15 of the third limit block 14, the first slope part 15 is pushed to move downwards, one first slope part 15 of the third limit block 14 far away from the second limit block 13 presses the fourth slope part 21 of the first limit block 12, the first limit block 12 is moved to a position close to the plug-in block 8, when the plug-in block 8 is completely inserted into the plug-in groove 9, a fourth slope portion 21 of the first stopper 12 is inserted into the second limiting groove 17, prevent the splicing block 8 from separating from the splicing groove 9, thereby prevent the lower flange plate 2 from separating from the upper flange plate 1, improve the sealing performance of the upper flange plate 1 and the lower flange plate 2, then insert the fixing bolt 6 into the through hole 19 through solid, fix the upper flange plate 1 and the lower flange plate 2 again, after the first stopper 12 is inserted into the second limiting groove 17, the first stopper 12 can extrude the spring 18, make the spring 18 compress the sealing ring 7, increase the sealing performance of the sealing ring 7, through setting up the splitter plate 4 and the bulge 5 in the pipe body 3, the flow rate of the flange joint can be slowed down, thereby reduce the damage of flow impact to the flange, and prolong the service life of the flange.

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 novel chemical industry is flange for pipeline, includes ring flange (1), its characterized in that: a lower flange plate (2) is arranged below the upper flange plate (1), pipe bodies (3) are integrally formed on the inner side walls of the upper flange plate (1) and the lower flange plate (2), splicing blocks (8) are uniformly and symmetrically and fixedly connected to the upper surface of the lower flange plate (2), splicing grooves (9) are uniformly and symmetrically formed in the lower surface of the upper flange plate (1), the splicing blocks (8) are inserted into the splicing grooves (9), two first limiting grooves (10) are symmetrically formed in two sides of each splicing groove (9), fixing blocks (11) are fixedly connected into the first limiting grooves (10), first limiting blocks (12) are arranged at the bottoms of the fixing blocks (11), second limiting blocks (13) are arranged at the tops of the fixing blocks (11), and third limiting blocks (14) are arranged on one side of the fixing blocks (11) far away from the splicing blocks (8), the upper and lower bilateral symmetry of first stopper (12) is equipped with two first slope portions (15), the top symmetry of grafting piece (8) is equipped with two second slope portions (16), the bilateral symmetry of second stopper (13) is equipped with two third slope portions (20), the bilateral symmetry of first stopper (12) is equipped with two fourth slope portions (21), two second spacing grooves (17) have been seted up to the bilateral symmetry of grafting piece (8), fourth slope portion (21) insert in second spacing groove (17).

2. The novel flange for the chemical pipeline according to claim 1, wherein: the inside wall integrated into one piece of body (3) has flow distribution plate (4), the even symmetry fixedly connected with bellying (5) of inside wall of flow distribution plate (4).

3. The novel flange for the chemical pipeline according to claim 1, wherein: through holes (19) are uniformly and symmetrically formed in one side of the upper flange plate (1) and one side of the lower flange plate (2), fixing bolts (6) are arranged in the through holes (19), and the upper flange plate (1) and the lower flange plate (2) are fixedly connected through the fixing bolts (6).

4. The novel flange for the chemical pipeline according to claim 1, wherein: the two first slope parts (15) of the third limiting block (14) are respectively attached to the third slope part (20) and the fourth slope part (21).

5. The novel flange for the chemical pipeline according to claim 1, wherein: the inclination angles of the first slope part (15), the second slope part (16), the third slope part (20) and the fourth slope part (21) are all arranged at an included angle of forty-five degrees with the horizontal plane.

6. The novel flange for the chemical pipeline according to claim 1, wherein: the upper surface symmetry of lower flange dish (2) is equipped with four sealing washer (7), the top fixedly connected with spring (18) of sealing washer (7), spring (18) insert in first spacing groove (10).