CN217003531U - Flange that leakproofness is strong - Google Patents

Abstract

The utility model discloses a flange with strong sealing performance, in particular to the technical field of flange parts, the structure of the flange on the market at present is simpler, the flange is fixed by screws mostly, the sealing performance is poor, the mounting efficiency of the flange is lower, and the working efficiency of workers is influenced, the flange comprises a first flange and a second flange, one side of the opposite surfaces of the first flange and the second flange is provided with a connecting assembly, one side of the opposite surfaces of the first flange and the second flange is provided with a sealing assembly, the utility model adopts the way that a first sealing gasket at one side of the first flange is attached to a second sealing gasket at one side of the second flange, a rectangular air inlet pipe leaks out by rotating a protective baffle, the rectangular air inlet pipe is separated from the rectangular air inlet pipe by rotating a sealing cap, the rectangular air inlet pipe is inflated by an air cylinder, an annular air bag is expanded, and finally a sealing ring groove arranged at one side of the first flange is filled with the annular air bag, the sealing is carried out through the sealing cap, so that the sealing performance is enhanced.

Description

A sealing flange

technical field

The utility model relates to the technical field of flange parts, in particular to a flange with strong sealing performance.

Background technique

Flanges are mostly pipe connection parts and are an indispensable part of pipe connection. With the progress of society and the continuous improvement of people's quality of life, the efficiency of pipe installation and connection has been paid more and more attention by people. A wide variety of pipe flange connections.

There are still some problems when connecting the existing flanges:

1. At present, the flange structure on the market is relatively simple, and screws are often used for fixing, resulting in poor sealing.

2. The installation efficiency of the flange is low, which affects the work efficiency of the staff. For this reason, we propose a flange with strong sealing to solve the above problems.

Utility model content

The purpose of the present invention is to provide a flange with strong sealing performance to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a flange with strong sealing, comprising a first flange and a second flange, and the opposite sides of the first flange and the second flange are both A connecting component is provided, and a sealing component is provided on the opposite side of the first flange and the second flange;

The sealing assembly includes a sealing ring groove and a storage groove, the sealing ring groove is opened on the side of the first flange close to the second flange, and the storage groove is opened on the side of the second flange close to the first flange , the inner surface of the storage slot is fixed with an annular air bag, the outer surface of the annular air bag is fixed with a rectangular air intake pipe, the rectangular air intake pipe penetrates the second flange, and the rectangular air intake pipe rotates away from one end of the annular air bag A sealing cap is sleeved, a rectangular plate is fixed on the outer surface of the second flange, the rectangular air intake pipe is arranged inside the rectangular plate, and the side of the rectangular plate away from the second flange is rotated with a protective barrier plate.

As a preferred technical solution of the present invention, the connecting assembly includes an annular fixing block and an annular groove, the annular fixing block is fixedly connected to the side of the first flange close to the second flange, and the annular fixing block is The outer surface is provided with a circular groove, the surface of the circular groove is fixed with a spring, the end of the spring away from the circular groove is fixed with a circular block, and the circular block is slidingly attached to the inner wall of the circular groove , the side of the circular block away from the spring is fixed with a mounting block, the annular groove is opened on the side of the second flange close to the first flange, and the outer surface of the second flange is provided with a mounting circular groove , the installation block can be movably inserted in the installation circular groove.

As a preferred technical solution of the present invention, a first sealing gasket is fixedly installed on the side of the first flange close to the second flange, and a side of the second flange close to the first flange is fixed with The second sealing washer, the first sealing washer and the second sealing washer are movably fitted.

As a preferred technical solution of the present invention, the outer surface of the rectangular plate is rotatably provided with a rotating shaft, and the rotating shaft is connected with the protective baffle.

As a preferred technical solution of the present invention, the cross-sectional shape of the rectangular air intake pipe is an "L" shape.

As a preferred technical solution of the present invention, there are eight installation circular grooves, and an annular array of installation circular grooves is distributed on the outer surface of the second flange.

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

1. In the present invention, the first sealing washer on one side of the first flange is fitted with the second sealing washer on the side of the second flange, the rectangular air intake pipe is leaked by rotating the protective baffle, and the The rectangular air intake pipe is detached from the rectangular air intake pipe, and the rectangular air intake pipe is inflated by the air cylinder, so that the annular air bag expands, and finally fills the filling groove and the sealing ring groove opened on the side of the first flange, and is sealed by the sealing cap to enhance its tightness. ;

2. The utility model presses the mounting block into the circular groove, and inserts the annular fixing block on the side of the first flange into the circular groove opened on the side of the second flange, through the action of the spring force, Finally, the installation block is inserted into the installation circular groove, and the first flange and the second flange are connected together.

Description of drawings

Fig. 1 is the structural representation of the utility model,

Fig. 2 is the structural schematic diagram of the connecting assembly of the present invention,

Fig. 3 is the enlarged structural schematic diagram of the place A in Fig. 2 of the utility model,

4 is a schematic structural diagram of the sealing assembly of the present invention,

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4 of the present invention.

In the figure: 1. The first flange; 11. The first sealing washer; 2. The second flange; 21. The second sealing washer; 3. The connecting assembly; 31. The annular fixing block; Spring; 34, circular block; 35, mounting block; 36, annular groove; 37, installation circular groove; 4, sealing assembly; 41, sealing ring groove; 42, storage groove; 43, annular air bag; 44, rectangular air intake pipe ; 45, sealing cap; 46, rectangular plate; 47, shaft; 48, protective baffle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example: As shown in Figures 1-5, the present utility model provides a flange with strong sealing, including a first flange 1 and a second flange 2, the first flange 1 is close to the second flange 2 A first sealing washer 11 is fixed on one side of the second flange 2, a second sealing washer 21 is fixed on the side of the second flange 2 close to the first flange 1, the first sealing washer 11 and the second sealing washer 21 Actively fit, improve its sealing, the first flange 1 and the second flange 2 are provided with connecting components 3 on the opposite sides of the first flange 1 and the second flange 2, and the first flange 1 and the second flange 2 One side is provided with a sealing assembly 4;

The sealing assembly 4 includes a sealing ring groove 41 and a storage groove 42 , the sealing ring groove 41 is opened on the side of the first flange 1 close to the second flange 2 , and the storage groove 42 is opened at the second flange 2 . Close to the side of the first flange 1 , an annular air bag 43 is fixed on the inner surface of the storage slot 42 , and a rectangular air intake pipe 44 is fixed on the outer surface of the annular air bag 43 , and the rectangular air intake pipe 44 penetrates the second Flange 2, one end of the rectangular air intake pipe 44 away from the annular air bag 43 is rotatably sleeved with a sealing cap 45, the outer surface of the second flange 2 is fixedly provided with a rectangular plate 46, and the rectangular air intake pipe 44 is arranged in a rectangular Inside the plate 46, the cross-sectional shape of the rectangular air intake pipe 44 is "L" shape, the side of the rectangular plate 46 away from the second flange 2 is rotated with a protective baffle 48, the outer surface of the rectangular plate 46 A rotating shaft 47 is provided for rotation. The rotating shaft 47 is connected with the protective baffle plate 48. The first sealing washer 11 on the side of the first flange 1 is in contact with the second sealing washer 21 on the side of the second flange 2. Rotating the protective baffle 48 leaks out of the rectangular air intake pipe 44, by rotating the sealing cap 45 to make it detached from the rectangular air intake pipe 44, the rectangular air intake pipe 44 is inflated by the air cylinder, so that the annular air bag 43 expands, and finally fills the filling slot 42 and the rectangular air intake pipe 44. The sealing ring groove 41 opened on one side of the first flange 1 is sealed by the sealing cap 45 to enhance its sealing performance.

Further, the connecting assembly 3 includes an annular fixing block 31 and an annular groove 36, the annular fixing block 31 is fixedly connected to the side of the first flange 1 close to the second flange 2, and the outer side of the annular fixing block 31 A circular groove 32 is opened on the surface, a spring 33 is fixed on the surface of the circular groove 32, and a circular block 34 is fixed at one end of the spring 33 away from the circular groove 32. The inner wall of the groove 32 is slidably fitted, the side of the circular block 34 away from the spring 33 is fixedly provided with a mounting block 35, and the annular groove 36 is opened on the side of the second flange 2 close to the first flange 1, so The outer surface of the second flange 2 is provided with an installation circular groove 37, the installation block 35 can be movably inserted in the installation circular groove 37, the installation circular groove 37 is provided with eight, and the installation circular grooves 37 are arranged in an annular array. Distributed on the outer surface of the second flange 2, by pressing the mounting block 35 into the circular groove 32, by inserting the annular fixing block 31 on the side of the first flange 1 into the opening opened on the side of the second flange 2 In the circular groove 32, the installation block 35 is finally inserted into the installation circular groove 37 by the force of the spring 33, and the first flange 1 and the second flange 2 are connected together.

Working principle: When the utility model is in use, the mounting block 35 is pressed into the circular groove 32, and the annular fixing block 31 on the side of the first flange 1 is inserted into the circular opening on the side of the second flange 2. In the groove 32, through the force of the spring 33, the mounting block 35 is finally inserted into the mounting groove 37, the first flange 1 and the second flange 2 are connected together, and the first flange 1 on the side of the first flange 1 is connected. The sealing washer 11 is in contact with the second sealing washer 21 on the side of the second flange 2, and the rectangular air intake pipe 44 is leaked out by rotating the protective baffle 48, and is separated from the rectangular air intake pipe 44 by rotating the sealing cap 45, and passes through the air cylinder. The rectangular air intake pipe 44 is inflated to expand the annular air bag 43, and finally the filling groove 42 and the sealing ring groove 41 opened on the side of the first flange 1 are filled, and then the sealing cap 45 is used for sealing to enhance its tightness.

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

Claims (6)

1. A flange with strong sealing, comprising a first flange (1) and a second flange (2), characterized in that: the first flange (1) is opposite to the second flange (2) A connecting assembly (3) is provided on one side of the face, and a sealing assembly (4) is provided on the opposite side of the first flange (1) and the second flange (2); The sealing assembly (4) comprises a sealing ring groove (41) and a storage groove (42), the sealing ring groove (41) is opened on the side of the first flange (1) close to the second flange (2), The storage slot (42) is opened on the side of the second flange (2) close to the first flange (1), and an annular air bag (43) is fixed on the inner surface of the storage slot (42). The outer surface of the airbag (43) is fixedly provided with a rectangular air intake pipe (44), the rectangular air intake pipe (44) penetrates the second flange (2), and the rectangular air intake pipe (44) is away from one end of the annular airbag (43) The rotating sleeve is provided with a sealing cap (45), the outer surface of the second flange (2) is fixedly provided with a rectangular plate (46), and the rectangular air intake pipe (44) is arranged inside the rectangular plate (46), so The side of the rectangular plate (46) away from the second flange (2) is rotatably provided with a protective baffle plate (48). 2. The flange with strong sealing performance according to claim 1, characterized in that: the connecting assembly (3) comprises an annular fixing block (31) and an annular groove (36), and the annular fixing block (31) ) is fixedly connected on the side of the first flange (1) close to the second flange (2), the outer surface of the annular fixing block (31) is provided with a circular groove (32), the circular groove (32) A spring (33) is fixed on the surface of the ) slidingly fit, a mounting block (35) is fixed on the side of the circular block (34) away from the spring (33), and the annular groove (36) is opened on the second flange (2) close to the first flange (2). One side of a flange (1), the outer surface of the second flange (2) is provided with a mounting circular groove (37), and the mounting block (35) can be movably inserted in the mounting circular groove (37) . 3. The flange with strong sealing performance according to claim 1, characterized in that: a first sealing washer ( 11), the side of the second flange (2) close to the first flange (1) is fixedly provided with a second sealing washer (21), the first sealing washer (11) and the second sealing washer (21) ) activity fit. 4. The flange with strong sealing performance according to claim 1, characterized in that: the outer surface of the rectangular plate (46) is rotatably provided with a rotating shaft (47), and the rotating shaft (47) is connected to the protective baffle plate. (48) connected. 5 . The flange with strong sealing performance according to claim 2 , wherein the cross-sectional shape of the rectangular air intake pipe ( 44 ) is an “L” shape. 6 . 6 . The flange with strong sealing according to claim 2 , wherein there are eight installation circular grooves ( 37 ), and the circular array of installation circular grooves ( 37 ) is distributed on the second flange. 7 . (2) on the outside surface.

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