CN218863506U

CN218863506U - Sealing structure and flange plate using same

Info

Publication number: CN218863506U
Application number: CN202221575639.9U
Authority: CN
Inventors: 侯希超; 张长江; 矫恒东
Original assignee: Qingdao Aotaibo Machinery Co ltd
Current assignee: Qingdao Aotaibo Machinery Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-04-14
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a seal structure and use ring flange of this structure, relate to ring flange joint seal technical field, including connecting pipe one and connecting pipe two, the surface of connecting pipe one and connecting pipe two is provided with ring flange one and ring flange two respectively, the surface of ring flange one is provided with annular gasbag, the recess one that is used for the joint part to stretch into is offered on the surface of ring flange one, recess two is seted up to the inner wall of recess one, the inner wall sliding connection of recess two has the slide, the joint part includes the elastic component, it stretches into in the recess one through setting up the joint part, the elastic component stretches into in the recess two, can further strengthen the joint strength between the ring flange, prevent to appear the gap because the bolt is not hard up, and can promote the slide removal when the elastic component stretches into in the recess two, impress the air in the recess two in the gasbag, make it take place the inflation, laminate department to ring flange one and ring flange two seals, avoid taking place the leakage, the effect of ring flange sealing performance has been improved.

Description

Sealing structure and flange plate using same

Technical Field

The utility model relates to a sealed technical field is connected to the ring flange, specifically is a seal structure and uses the ring flange of this structure.

Background

The flange is also called a flange plate or flange. The elements interconnecting the tube to the tube are connected to the tube ends. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. Flanges are disk-like parts, which are most commonly used in pipe work in pairs. In pipeline engineering, flanges are mainly used for the connection of pipelines. At the end of two pipelines, one flange is mounted, the low-pressure pipeline can be screwed with a flange, and the flange is welded under the pressure of more than 4 kilograms. And a sealing gasket is arranged between the two flanges, and then the flanges are fastened by bolts.

Most seal the ring flange through seal gasket in the existing market, because the ring flange passes through the bolt fastening, the bolt takes place to become flexible easily when using, leads to appearing the gap between the ring flange, has reduced sealing performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal structure and use ring flange of this structure, possessed and can further strengthen the joint strength between the ring flange, prevent to appear the gap because the bolt is not hard up to laminate department to ring flange one and ring flange two seals, avoids taking place to leak, has improved ring flange sealing performance's effect, has solved the problem that mentions among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing structure and a flange using the structure are disclosed, wherein a first connecting pipe and a second connecting pipe are arranged on the surfaces of the first connecting pipe and the second connecting pipe respectively, threaded holes for connection are formed in the surfaces of the first flange and the second flange, an annular air bag is arranged on the surface of the first flange, and an annular groove for the annular air bag to extend into is formed in the surface of the second flange;

the joint part, the setting of joint part is in the surface of ring flange two, the surface of ring flange one is seted up and is used for the recess one that the joint part stretched into, recess two has been seted up to the inner wall of recess one, the inner wall sliding connection of recess two has the slide, recess two with the gas transmission passageway has been seted up between the annular gasbag, the joint part includes the elastic component, works as the joint part stretches into when in the recess one can promote under the effect of elastic component the slide removes, makes the annular gasbag inflation reduces the gap, improves sealing performance.

Optionally, the clamping block is fixedly connected to the surface of the second flange plate;

the elastic piece comprises a moving block and a first spring, a third groove used for the moving block to stretch into is formed in the surface of the clamping block, a telescopic rod is fixedly connected to the inner wall of the third groove, a telescopic part of the telescopic rod is fixedly connected with the moving block, and two ends of the first spring are fixedly connected with the surface of the moving block and the bottom of the third groove respectively;

inclined plane parts are arranged on two sides of the end part of the moving block.

Optionally, a separation part is arranged on the first flange, and the separation part comprises;

the connecting rod is fixedly connected to the surface of the sliding plate, a through hole for the connecting rod to pass through is formed in the inner wall of the second groove, and a pressing plate is fixedly connected to the end of the connecting rod;

and two ends of the second spring are fixedly connected with the surfaces of the pressing plate and the first flange plate respectively, and the elasticity of the first spring is greater than that of the second spring.

Optionally, the annular array on the surface of the first flange plate is distributed with a plurality of connecting blocks, the annular array on the surface of the second flange plate is distributed with a plurality of plug connectors corresponding to the connecting blocks, and each plug connector comprises two plug boards.

Optionally, reinforcing ribs are arranged between the first flange and the first connecting pipe and between the second flange and the second connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an in stretching into recess one with the fixture block to promote the movable block under the effect through spring one and stretch into recess two, and drive the slide and slide along the inner wall of recess two, pass through the air transmission channel with the air in the spout two and impress in the gasbag, make it take place the inflation, the ring channel is filled up in to the increase in volume, seals the laminating department of ring flange one and ring flange two, avoids taking place to leak, has improved the sealing performance of ring flange.

2. The utility model discloses an in-process is moved downwards to the slide, takes back recess two in with the air in the gasbag through the gas transmission passageway for the gasbag atrophy avoids separating under the inflation state, reduces the inner wall and the gasbag friction dynamics of ring channel, reduces the loss, improves gasbag life.

Drawings

FIG. 1 is an isometric view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention.

In the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. a first flange plate; 4. a second flange plate; 5. connecting blocks; 6. a plugboard; 7. reinforcing ribs; 8. a threaded hole; 9. a clamping block; 10. a first groove; 11. a moving block; 12. a third groove; 13. a telescopic rod; 14. a first spring; 15. a slide plate; 16. a second groove; 17. a connecting rod; 18. pressing a plate; 19. a second spring; 20. a gas transmission channel; 21. an annular air bag; 22. an annular groove.

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.

Referring to fig. 1 to 3, in the present embodiment, a sealing structure and a flange using the sealing structure are provided, a first connecting pipe 1 and a second connecting pipe 2 are provided, a first flange 3 and a second flange 4 are respectively disposed on surfaces of the first connecting pipe 1 and the second connecting pipe 2, threaded holes 8 for connection are formed on surfaces of the first flange 3 and the second flange 4, an annular air bag 21 is disposed on a surface of the first flange 3, and an annular groove 22 for the annular air bag 21 to extend into is formed on a surface of the second flange 4.

Joint part, the setting of joint part is on the surface of ring flange two 4, recess one 10 that is used for joint part to stretch into is offered on the surface of ring flange one 3, recess two 16 have been seted up to the inner wall of recess one 10, the inner wall sliding connection of recess two 16 has slide 15, gas transmission passageway 20 has been seted up between recess two 16 and the annular gasbag 21, joint part includes the elastic component, when joint part stretches into in the recess one 10, can promote slide 15 removal under the effect of elastic component, make annular gasbag 21 inflation, reduce the gap, and the sealing performance is improved.

More specifically, in this embodiment, insert the joint part after aligning recess 10 with the joint part, the joint part is when recess 10 moves to the position as shown in fig. 3, the elastic component stretches into in the recess two 16, can prevent to take place to rock between flange one 3 and the flange two 4, the fastening degree is connected in the reinforcing, prevent to lead to appearing the gap because of bolt looseness, and the elastic component can promote slide 15 when stretching into in the recess two 16 and remove, impress the air in the recess two 16 in the gasbag 21, make it take place the inflation, laminate department to flange one 3 and flange two 4 seals, prevent to take place to leak, the flange sealing performance has been improved.

Further, in the present embodiment: the clamping component comprises a clamping block 9, and the clamping block 9 is fixedly connected to the surface of the second flange plate 4.

The elastic part comprises a moving block 11 and a first spring 14, a third groove 12 for the moving block 11 to extend into is formed in the surface of the clamping block 9, an expansion link 13 is fixedly connected to the inner wall of the third groove 12, an expansion portion of the expansion link 13 is fixedly connected with the moving block 11, and two ends of the first spring 14 are fixedly connected with the surface of the moving block 11 and the bottom of the third groove 12 respectively.

Inclined plane parts are arranged on two sides of the end part of the moving block 11.

More specifically, in this embodiment, the fixture block 9 is aligned with the first groove 10, the moving block 11 is manually pressed to extend into the third groove 12, and then inserted into the first groove 10, when the fixture block 9 extends into the first groove 10, pressure is continuously generated on the moving block 11 through the inner wall of the first groove 10, the first pressing spring 14 contracts, when the fixture block 9 moves to the position shown in fig. 2 and 3, the moving block 11 is located under the second groove 16 at the moment, the first spring 14 does not bear pressure any more, the moving block 11 is pushed to extend into the second groove 16 under the action of elastic restoring force, and by arranging the inclined plane portions on two sides of the end portion of the moving block 11, the inclined plane portions can conveniently extend into the second groove 16, so that jamming is prevented, and the stability during connection is improved.

Further, in this embodiment: the flange plate I3 is provided with a disengaging part which comprises.

The connecting rod 17 is fixedly connected to the surface of the sliding plate 15, a through hole for the connecting rod 17 to penetrate through is formed in the inner wall of the second groove 16, and a pressing plate 18 is fixedly connected to the end portion of the connecting rod 17.

And two ends of the second spring 19 are fixedly connected with the pressure plate 18 and the surface of the first flange 3 respectively, and the elasticity of the first spring 14 is greater than that of the second spring 19.

More specifically, in this embodiment, when the airbag needs to be detached, the bolts are first removed, and then the pressing plate 18 is manually pressed to drive the connecting rod 17 and the sliding plate 15 to move downward as shown in fig. 3, and the sliding plate 15 moves downward to drive the moving block 11 to move into the groove three 12, when the groove three 12 is located in the groove one 10, the flange one 3 and the flange two 4 can be separated, and in the downward movement process of the sliding plate 15, the air in the airbag 21 is pumped back into the groove two 16 through the air transmission channel 20, so that the airbag 21 contracts, the separation in the expansion state is avoided, the loss caused by the friction between the inner wall of the annular groove 22 and the airbag 21 is reduced, and the service life of the airbag is prolonged.

Further, in this embodiment: the annular array of the surface of the first flange plate 3 is distributed with a plurality of connecting blocks 5, the annular array of the surface of the second flange plate 4 is distributed with a plurality of plug connectors corresponding to the connecting blocks 5, and each plug connector comprises two plug boards 6.

More specifically, in this embodiment, when the ring flange installation was accomplished, connecting block 5 was located between two plugboard 6 to prevent that the ring flange from taking place relative circular motion, avoid equipment to take place to rock, stability when improving the use.

Further, in this embodiment: all be provided with strengthening rib 7 between ring flange one 3 and the connecting pipe 1 and between ring flange two 4 and the connecting pipe 2, improve the joint strength between ring flange and the connecting pipe through setting up strengthening rib 7 when using, increase of service life.

The working principle is as follows: when the sealing structure and the flange using the sealing structure are used, firstly, the fixture block 9 is aligned with the first groove 10, the moving block 11 is pressed manually to extend into the third groove 12, then the fixture block is inserted into the first groove 10, when the fixture block 9 extends into the first groove 10, pressure is continuously applied to the moving block 11 through the inner wall of the first groove 10, the first pressing spring 14 contracts, when the fixture block 9 moves to the position shown in the figures 2 and 3, the moving block 11 is located under the second groove 16 at the moment, the first spring 14 does not bear pressure any more, the moving block 11 is pushed to extend into the second groove 16 under the action of elastic restoring force, when the moving block 11 extends into the second groove 16, the first flange 3 and the second flange 4 can be prevented from shaking, the connection stability is improved, the elastic force of the first spring 14 is larger than that of the second spring 19, the sliding plate 15 is driven to slide along the inner wall of the second groove 16, air in the second sliding groove 16 is pressed into the air bag 21 through the air transmission channel 20, the air bag is expanded, the volume is increased, the annular groove 22 is filled, the leakage of the first flange 3 and the second flange 4 is prevented from being leaked, and the sealing performance is improved.

When the air bag disassembly device needs to be disassembled, the connecting rod 17 and the sliding plate 15 are driven to move downwards in the direction shown in fig. 3 by manually pressing the pressing plate 18, the sliding plate 15 moves downwards to drive the moving block 11 to move towards the groove III 12, when the groove III 12 is located in the groove I10, the flange I3 and the flange II 4 can be separated, and in the downward movement process of the sliding plate 15, air in the air bag 21 is pumped back into the groove II 16 through the air transmission channel 20, so that the air bag 21 is shrunk, the separation in an expansion state is avoided, the loss generated by friction between the inner wall of the annular groove 22 and the air bag 21 is reduced, and the service life of the air bag is prolonged.

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 seal structure and use ring flange of this structure which characterized in that includes:

the connecting pipe comprises a first connecting pipe (1) and a second connecting pipe (2), wherein a first flange plate (3) and a second flange plate (4) are respectively arranged on the surfaces of the first connecting pipe (1) and the second connecting pipe (2), threaded holes (8) for connection are formed in the surfaces of the first flange plate (3) and the second flange plate (4), an annular air bag (21) is arranged on the surface of the first flange plate (3), and an annular groove (22) for the annular air bag (21) to stretch into is formed in the surface of the second flange plate (4);

the joint part, the joint part sets up the surface of ring flange two (4), the surface of ring flange one (3) is seted up and is used for the joint part stretches into recess one (10), recess two (16) have been seted up to the inner wall of recess one (10), the inner wall sliding connection of recess two (16) has slide (15), recess two (16) with gas transmission passageway (20) have been seted up between annular gasbag (21), the joint part includes the elastic component, works as the joint part stretches into when in recess one (10) can promote under the effect of elastic component slide (15) remove, make annular gasbag (21) inflation reduces the gap.

2. A sealing structure and a flange plate using the same according to claim 1, wherein: the clamping component comprises a clamping block (9), and the clamping block (9) is fixedly connected to the surface of the second flange plate (4);

the elastic piece comprises a moving block (11) and a first spring (14), a third groove (12) for the moving block (11) to extend into is formed in the surface of the clamping block (9), a telescopic rod (13) is fixedly connected to the inner wall of the third groove (12), the telescopic part of the telescopic rod (13) is fixedly connected with the moving block (11), and two ends of the first spring (14) are fixedly connected with the surface of the moving block (11) and the bottom of the third groove (12) respectively;

inclined plane parts are arranged on two sides of the end part of the moving block (11).

3. A sealing structure and a flange plate using the same as defined in claim 2, wherein: a separation part is arranged on the flange plate I (3), and the separation part comprises;

the connecting rod (17) is fixedly connected to the surface of the sliding plate (15), a through hole for the connecting rod (17) to penetrate through is formed in the inner wall of the second groove (16), and a pressing plate (18) is fixedly connected to the end portion of the connecting rod (17);

and two ends of the second spring (19) are respectively fixedly connected with the surface of the pressing plate (18) and the surface of the first flange plate (3), and the elasticity of the first spring (14) is greater than that of the second spring (19).

4. A sealing structure and a flange plate using the same as defined in claim 1, wherein: the connecting device is characterized in that a plurality of connecting blocks (5) are distributed on the surface of the first flange plate (3) in an annular array mode, a plurality of plug connectors corresponding to the connecting blocks (5) are distributed on the surface of the second flange plate (4) in an annular array mode, and each plug connector comprises two plug boards (6).

5. A sealing structure and a flange plate using the same according to claim 1, wherein: and reinforcing ribs (7) are arranged between the first flange plate (3) and the first connecting pipe (1) and between the second flange plate (4) and the second connecting pipe (2).