CN215981032U

CN215981032U - Prevent valve flange of leakage

Info

Publication number: CN215981032U
Application number: CN202121997897.1U
Authority: CN
Inventors: 陈家富
Original assignee: Wenzhou Hongqi Flange Manufacturing Co ltd
Current assignee: Wenzhou Hongqi Flange Manufacturing Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-08
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a leakage-proof valve connecting flange which comprises a first flange and a second flange, wherein a connecting mechanism penetrates through one side of the outer wall of the first flange, a positioning groove is formed in one side of the outer wall of the first flange, a positioning block is welded on one side of the surface of the second flange, a first fixing groove is formed in the other side of the outer wall of the first flange, a first sealing strip is welded on the other side of the outer wall of the second flange, anti-rust layers are coated on the surfaces of the inner walls of the first flange and the second flange, and tightening mechanisms are fixedly installed on the surfaces of the outer walls of the first flange and the second flange. This prevent valve flange of leakage through the setting of first fixed slot and first sealing strip, can be effectual when two flanges are connected, first sealing strip block carries out the sealed protection of first layer in first fixed slot, simultaneously through the setting of constant head tank and locating piece, can when the installation, directly mutually support first flange and second flange through locating piece and constant head tank earlier, fix a position.

Description

Prevent valve flange of leakage

Technical Field

The utility model relates to the technical field of flange correlation, in particular to a leakage-proof valve connecting flange.

Background

The flange is a part for connecting a shaft and is used for connecting pipe ends, the flange is used for connecting an inlet and an outlet of equipment and is used for connecting two pieces of equipment, such as a speed reducer flange, a flange connection or a flange joint, and the flange, the gasket and a bolt are connected with each other to form a detachable connection of a combined sealing structure, a water pump and a valve, and when the flange is connected with a pipeline, the flange is particularly required to be a leakage-proof valve connecting flange.

However, in the use process of the existing anti-leakage valve connecting flange, the phenomenon of leakage is easily caused by long service time and looseness of the connecting joint, and meanwhile, in the installation process, the anti-leakage valve connecting flange needs to be aligned by manpower, so that the manpower is very wasted, and the installation is also troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leakage-proof valve connecting flange, which aims to solve the problems that the existing leakage-proof valve connecting flange proposed in the background art is easy to cause the phenomena of looseness and leakage at a connecting part due to long service time in the use process, and simultaneously, the manpower is required for alignment in the installation process, the manpower is very wasted, and the installation is troublesome.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent valve flange of leakage, includes first flange and second flange, first flange outer wall one side is run through there is coupling mechanism, the constant head tank has been seted up to first flange outer wall one side, the welding of second flange surface one side has the locating piece, first fixed slot has been seted up to first flange outer wall opposite side, the welding of second flange outer wall opposite side has first sealing strip, the antirust coat has been paintd on first flange and second flange inner wall surface, first flange and second flange outer wall fixed surface install tightening mechanism.

Preferably, coupling mechanism includes thread groove, first fixing bolt, gasket and nut, the thread groove has all been seted up on first flange and second flange outer wall surface, first flange one end has run through first fixing bolt, a pot head of first fixing bolt is equipped with the gasket, first fixing bolt one end threaded connection has the nut.

Preferably, the size of the positioning grooves is matched with that of the positioning blocks, and the positioning grooves are distributed on the surface of the first flange at equal intervals.

Preferably, the size of the first fixing groove is matched with that of the first sealing strip, and the first sealing strip is made of rubber.

Preferably, the anti-rust layer is tightly attached to the inner walls of the first flange and the second flange, and the anti-rust layer is red lead anti-rust paint.

Preferably, tightening mechanism includes second fixed slot, lag, second sealing strip, splint and second fixing bolt, the second fixed slot has all been seted up on first flange and second flange surface, second fixed slot outer wall cover is equipped with the lag, the lag inner wall bonds and has the second sealing strip, lag outer wall cover is equipped with splint, splint outer wall both sides are run through there is the second fixing bolt.

Preferably, the inner wall of the clamping plate is tightly attached to the outer wall of the protecting sleeve, and the clamping plate is provided with two groups.

Compared with the prior art, the utility model has the beneficial effects that: this prevent valve flange of leakage through the setting of first fixed slot and first sealing strip, can be effectual when two flanges are connected, first sealing strip block carries out the sealed protection of first layer in first fixed slot, simultaneously through the setting of constant head tank and locating piece, can when the installation, directly mutually support first flange and second flange through locating piece and constant head tank earlier, fix a position, then be convenient for first fixing bolt's connection more.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic view of a first flange structure according to the present invention;

FIG. 3 is a schematic view of a second flange according to the present invention;

fig. 4 is a schematic view of the mutual matching structure of the protective sleeve and the second sealing strip of the utility model.

In the figure: 1. a first flange; 2. a second flange; 3. a connecting mechanism; 301. a thread groove; 302. a first fixing bolt; 303. a gasket; 304. a nut; 4. positioning a groove; 5. positioning blocks; 6. a first fixing groove; 7. a first seal strip; 8. a rust-proof layer; 9. a tightening mechanism; 901. a second fixing groove; 902. a protective sleeve; 903. a second seal strip; 904. a splint; 905. and a second fixing bolt.

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, the present invention provides a technical solution: the utility model provides a prevent valve flange of leakage, including first flange 1 and

second flange

2, 1 outer wall one side of first flange is run through there is coupling mechanism 3, constant head tank 4 has been seted up to 1 outer wall one side of first flange, 2 surperficial one side welding of second flange have a locating piece 5, first fixed slot 6 has been seted up to 1 outer wall opposite side of first flange, 2 outer wall opposite side welding of second flange have first sealing strip 7, antirust coat 8 has been paintd on 2 inner wall surfaces of first flange 1 and second flange, 2 outer wall fixed surface of first flange 1 and second flange have tightening mechanism 9.

Further, coupling mechanism 3 includes thread groove 301, first fixing bolt 302, gasket 303 and nut 304, thread groove 301 has all been seted up to first flange 1 and the 2 outer wall surfaces of second flange, first flange 1 one end is run through has first fixing bolt 302, a pot head of first fixing bolt 302 is equipped with gasket 303, a pot head of first fixing bolt 302 has nut 304, through thread groove 301, first fixing bolt 302, gasket 303 and nut 304's setting, can be effectual carry out fixed connection with first flange 1 and second flange 2 through mutually supporting of first fixing bolt 302 and nut 304, gasket 303 can effectively strengthen the connection effect.

Further, the size of the positioning groove 4 is identical to that of the positioning block 5, the positioning grooves 4 are distributed on the surface of the first flange 1 at equal intervals, and the positioning grooves 4 and the positioning block 5 are arranged, so that the first flange 1 and the second flange 2 can be directly matched with each other through the positioning block 5 and the positioning groove 4 to be positioned when being installed, and then the first fixing bolt 302 can be more conveniently connected.

Further, 6 sizes of first fixed slots are identical with 7 sizes of first sealing strip, and first sealing strip 7 is the rubber material, through the setting of first fixed slot 6 and first sealing strip 7, can be effectual when two flanges are connected, and the first sealing strip 7 block carries out the sealed protection of first layer in first fixed slot 6.

Further, antirust coat 8 closely laminates with

first flange

1 and 2 inner walls of second flange, and antirust coat 8 is red lead anti-rust paint, through antirust coat 8's setting, can make the junction more durable.

Further, tightening mechanism 9 includes second fixed slot 901, lag 902, second sealing strip 903, splint 904 and second fixing bolt 905, second fixed slot 901 has all been seted up on first flange 1 and second flange 2 surface, second fixed slot 901 outer wall cover is equipped with lag 902, lag 902 inner wall bonds and has second sealing strip 903, lag 902 outer wall cover is equipped with splint 904, splint 904 outer wall both sides run through there are second fixing bolt 905, through second fixed slot 901, lag 902, second sealing strip 903, splint 904 and second fixing bolt 905's setting, can effectually seal the outward appearance of connected first flange 1 and second flange 2 through lag 902 and second sealing strip 903, make the junction inseparabler.

Further, splint 904 inner wall closely laminates with lag 902 outer wall, and splint 904 is provided with two sets ofly, through splint 904's setting, can tighten up splint 904 through second fixing bolt 905 to effectual tightening up lag 902, more effectual leakage that prevents.

The working principle is as follows: firstly, thread grooves 301 need to be formed in the corresponding positions of the outer wall surfaces of a first flange 1 and a second flange 2, then a first fixing bolt 302 penetrates through one end of the thread grooves 301, then a gasket 303 is sleeved at one end of the first fixing bolt 302, meanwhile, a nut 304 is connected with one end of the first fixing bolt 302 through a thread, then, a positioning groove 4 and a first fixing groove 6 need to be formed in the surface of the first flange 1, then, a positioning block 5 and a first sealing strip 7 are welded at the corresponding position of the surface of the second flange 2, secondly, an anti-rust layer 8 needs to be coated on the inner wall surfaces of the first flange 1 and the second flange 2, then, second fixing grooves 901 need to be formed in the outer walls of the first flange 1 and the second flange 2, then, a second sealing strip 903 is arranged on one side of the second fixing groove 901, meanwhile, the second sealing strip 903 is adhered to the inner wall of a protective sleeve 902, secondly, a clamping plate 904 needs to clamp the protective sleeve 902 tightly, finally, the clamping plate 904 is fastened by the second fastening bolt 905, thus completing a leak-proof valve connecting 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A leak-proof valve connecting flange, comprising a first flange (1) and a second flange (2), characterized in that: connecting mechanism (3) has been run through to first flange (1) outer wall one side, constant head tank (4) have been seted up to first flange (1) outer wall one side, second flange (2) surface one side welding has locating piece (5), first fixed slot (6) have been seted up to first flange (1) outer wall opposite side, second flange (2) outer wall opposite side welding has first sealing strip (7), antirust coat (8) have been paintd on first flange (1) and second flange (2) inner wall surface, first flange (1) and second flange (2) outer wall fixed surface install tightening mechanism (9).

2. A leak-proof valve connecting flange according to claim 1, wherein the connecting mechanism (3) comprises a thread groove (301), a first fixing bolt (302), a gasket (303) and a nut (304), the thread groove (301) is formed on the outer wall surface of each of the first flange (1) and the second flange (2), the first fixing bolt (302) penetrates through one end of the first flange (1), the gasket (303) is sleeved on one end of the first fixing bolt (302), and the nut (304) is connected to one end of the first fixing bolt (302) in a threaded manner.

3. A leak-proof valve attachment flange according to claim 1, characterised in that the positioning grooves (4) are of a size that matches the size of the positioning blocks (5), the positioning grooves (4) being equally spaced on the surface of the first flange (1).

4. A leak-proof valve flange according to claim 1, wherein said first retaining groove (6) is dimensioned to fit said first sealing strip (7), and said first sealing strip (7) is made of rubber.

5. A leak-proof valve connecting flange according to claim 1, wherein said rust preventive layer (8) is tightly attached to the inner walls of the first flange (1) and the second flange (2), and said rust preventive layer (8) is red lead rust preventive paint.

6. A leak-proof valve connecting flange according to claim 1, wherein the tightening mechanism (9) comprises a second fixing groove (901), a protecting sleeve (902), a second sealing strip (903), a clamping plate (904) and a second fixing bolt (905), the second fixing groove (901) is formed in the surfaces of the first flange (1) and the second flange (2), the protecting sleeve (902) is sleeved on the outer wall of the second fixing groove (901), the second sealing strip (903) is bonded on the inner wall of the protecting sleeve (902), the clamping plate (904) is sleeved on the outer wall of the protecting sleeve (902), and the second fixing bolt (905) penetrates through the two sides of the outer wall of the clamping plate (904).

7. A leak resistant valve attachment flange as claimed in claim 6 wherein said clamping plates (904) are closely adjacent to the outer wall of said shield (902) and wherein there are two sets of said clamping plates (904).