CN218845386U

CN218845386U - Threaded flange

Info

Publication number: CN218845386U
Application number: CN202223260605.3U
Authority: CN
Inventors: 张博敏; 杨天津
Original assignee: Wenzhou Long'an Flange Co ltd
Current assignee: Wenzhou Long'an Flange Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-11
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to a flange technical field, concretely relates to screw thread formula flange, including the ring flange, be provided with central through-hole in the middle of the ring flange, the ring flange top surface periphery is provided with the mounting hole, is provided with the resistance to compression pipe in the middle of the ring flange, the intraductal week of resistance to compression is provided with central through-hole, and the intraductal week of resistance to compression is provided with the internal thread, is provided with the strengthening rib in the middle of the outside week of resistance to compression pipe, the internal thread sets up on the anti-corrosion coating, anti-corrosion coating opposite side is provided with the elastic sealing layer. The utility model discloses a be provided with the resistance to compression pipe in the middle of the ring flange, set up constant head tank, locating piece on the resistance to compression pipe, two ring flanges of help rapid Assembly aim at the mounting hole, through set up the elastic seal layer in the resistance to compression pipe, increase the leakproofness between pipeline and the resistance to compression pipe, through both ends are provided with sealed the pad about the mounting hole, increase the leakproofness between mounting hole and the bolt, have reduced the spot and have got into, the possibility of wearing and tearing bolt.

Description

Threaded flange

Technical Field

The utility model relates to a flange technical field, concretely relates to screw thread formula flange.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts, is used for connecting pipe ends, is an important connecting mode for pipeline construction, is convenient to use and can bear larger pressure, and is widely used in industrial pipelines; the threaded flange has the characteristics of convenience in installation and maintenance, and can be used on pipelines which are not allowed to be welded on some sites; but when the threaded flange is used, the pressure resistance and the sealing performance are poor, and leakage events can occur after the threaded flange is installed and fixed. Accordingly, those skilled in the art have provided a threaded flange to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a threaded flange, which comprises a flange plate, be provided with central through-hole in the middle of the ring flange, the ring flange top surface periphery is provided with the mounting hole, is provided with the withstand voltage pipe in the middle of the ring flange, withstand voltage pipe periphery fixed connection ring flange, the intraductal week of withstand voltage is provided with central through-hole, the intraductal week of withstand voltage is provided with the internal thread, the internal thread sets up at withstand voltage intraductal week, be provided with the strengthening rib in the middle of the withstand voltage pipe periphery, strengthening rib one end fixed connection ring flange, strengthening rib other end fixed connection withstand voltage pipe, the internal periphery is the anti-corrosion coating in the withstand voltage pipe, the internal thread sets up on the anti-corrosion coating, anti-corrosion coating one side is provided with the internal thread, and anti-corrosion coating opposite side is provided with the elasticity sealing layer, elasticity sealing layer one side fixed connection anti-corrosion coating, elasticity sealing layer opposite side fixed connection withstand voltage pipe.

Preferably: the mounting hole sets up on the ring flange, and both ends all are provided with sealed the pad about the mounting hole.

Preferably: the number of the mounting holes is four, and bolts are arranged in the mounting holes.

Preferably: one end of the bolt is connected with the nut, the other end of the bolt is connected with the mounting hole, and the bolt is connected in the nut.

Preferably: one end of the sealing gasket is fixedly connected with the top surface of the flange plate, and one side of the sealing gasket is fixedly connected with the inner wall of the mounting hole.

Preferably: one end of the compression-resistant pipe is provided with a positioning block, and the other end of the compression-resistant pipe is provided with a positioning groove.

Preferably: the pressure-resistant pipe of locating piece one end fixed connection, the constant head tank sets up on the pressure-resistant pipe, constant head tank one end swing joint locating piece, be provided with the magnetic path in locating piece and the constant head tank, magnetism is inhaled the effect and is strengthened the compactness that locating piece and constant head tank are connected.

The utility model discloses a technological effect and advantage:

the utility model discloses a be provided with the resistance to compression pipe in the middle of the ring flange, set up the constant head tank on the resistance to compression pipe, the locating piece, two ring flanges of help rapid Assembly aim at the mounting hole, the resistance to compression inside pipe wall sets up to anti-corrosion coating, increase the corrosion resistance of resistance to compression pipe and pipe connection, through set up the elastic sealing layer in the resistance to compression is intraductal, increase the leakproofness between pipeline and the resistance to compression pipe, be provided with sealed the pad through both ends about the mounting hole, increase the leakproofness between mounting hole and the bolt, the stain entering has been reduced, the possibility of wearing and tearing bolt.

Drawings

Fig. 1 is a schematic structural diagram of a threaded flange provided in an embodiment of the present application;

FIG. 2 is a schematic view of a structure of a threaded flange according to an embodiment of the present disclosure, in which flanges are separated from each other;

FIG. 3 is a schematic structural diagram illustrating a front view of a flange plate in a threaded flange according to an embodiment of the present disclosure;

FIG. 4 is a rear view of a flange plate of a threaded flange according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of details in a flange plate of a threaded flange according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a detail of the pressure-resistant pipe in the threaded flange according to an embodiment of the present application.

In the figure:

1. a flange plate; 101. a bolt; 102. a nut; 103. a gasket; 104. a pressure resistant pipe; 105. positioning blocks; 106. mounting holes; 107. a central through hole; 108. an internal thread; 109. positioning a groove; 110. reinforcing ribs; 111. an anti-corrosion layer; 112. an elastomeric sealing layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Examples

Referring to fig. 1 to 6, in the present embodiment, a threaded flange is provided, including a flange plate 1, a central through hole 107 is provided in the middle of the flange plate 1, a mounting hole 106 is provided on the periphery of the top surface of the flange plate 1, a pressure resistant pipe 104 is provided in the middle of the flange plate 1, the flange plate 1 is fixedly connected to the periphery of the pressure resistant pipe 104, the central through hole 107 is provided in the inner periphery of the pressure resistant pipe 104, internal threads 108 are provided in the inner periphery of the pressure resistant pipe 104, a reinforcing rib 110 is provided in the middle of the outer periphery of the pressure resistant pipe 104, one end of the reinforcing rib 110 is fixedly connected to the flange plate 1, the other end of the reinforcing rib 110 is fixedly connected to the pressure resistant pipe 104, an anti-corrosion layer 111 is provided in the inner periphery of the pressure resistant pipe 104, the internal threads 108 are provided on the anti-corrosion layer 111, one side of the anti-corrosion layer 111 is provided with the internal threads 108, an elastic sealing layer 112 is provided on the other side of the anti-corrosion layer 111, one side of the elastic sealing layer 112 is fixedly connected to the anti-corrosion layer 111, and the other side of the elastic sealing layer 112 is fixedly connected to the pressure resistant pipe 104.

The mounting hole 106 is arranged on the flange plate 1, and the upper end and the lower end of the mounting hole 106 are provided with sealing gaskets 103.

The number of the mounting holes 106 is four, and bolts 101 are arranged in the mounting holes 106.

One end of the bolt 101 is connected with a nut 102, the other end of the bolt 101 is connected with a mounting hole 106, and the bolt 101 is connected in the nut 102.

One end of the sealing gasket 103 is fixedly connected with the top surface of the flange plate 1, and one side of the sealing gasket 103 is fixedly connected with the inner wall of the mounting hole 106.

One end of the pressure-resistant pipe 104 is provided with a positioning block 105, the other end of the pressure-resistant pipe 104 is provided with a positioning groove 109,

one end of the positioning block 105 is fixedly connected with the pressure resisting pipe 104, the positioning groove 109 is arranged on the pressure resisting pipe 104, one end of the positioning groove 109 is movably connected with the positioning block 105, magnetic blocks are arranged in the positioning block 105 and the positioning groove 109, and the magnetic attraction enhances the connection tightness between the positioning block 105 and the positioning groove 109.

The utility model discloses a theory of operation is: when the threaded flange is used, two flange plates 1 are connected together through a mounting hole 106, a bolt 101 and a nut 102, the inner wall of a pressure resisting pipe 104 is provided with an anti-corrosion layer 111, the corrosion resistance of the connection between the pressure resisting pipe 104 and a pipeline is improved, an elastic sealing layer 112 is arranged in the pressure resisting pipe 104, the sealing performance between the pipeline and the pressure resisting pipe 104 is improved, sealing gaskets 103 are arranged at the upper end and the lower end of the mounting hole 106, the sealing performance between the mounting hole 106 and the bolt 101 is improved, and the possibility that stains enter and wear the bolt 101 is reduced.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. A threaded flange comprises a flange plate (1), and is characterized in that a central through hole (107) is formed in the middle of the flange plate (1), mounting holes (106) are formed in the periphery of the top surface of the flange plate (1), a pressure resisting pipe (104) is arranged in the middle of the flange plate (1), the periphery of the pressure resisting pipe (104) is fixedly connected with the flange plate (1), the inner periphery of the pressure resisting pipe (104) is provided with the central through hole (107), the inner periphery of the pressure resisting pipe (104) is provided with internal threads (108), and the internal threads (108) are arranged on the inner periphery of the pressure resisting pipe (104);

a reinforcing rib (110) is arranged in the middle of the outer periphery of the pressure resistant pipe (104), one end of the reinforcing rib (110) is fixedly connected with the flange (1), the other end of the reinforcing rib (110) is fixedly connected with the pressure resistant pipe (104), an anti-corrosion layer (111) is arranged on the inner periphery of the pressure resistant pipe (104), and the internal thread (108) is arranged on the anti-corrosion layer (111);

an internal thread (108) is arranged on one side of the anti-corrosion layer (111), an elastic sealing layer (112) is arranged on the other side of the anti-corrosion layer (111), the anti-corrosion layer (111) is fixedly connected to one side of the elastic sealing layer (112), and the pressure-resistant pipe (104) is fixedly connected to the other side of the elastic sealing layer (112).

2. A threaded flange according to claim 1, characterized in that the mounting hole (106) is provided in the flange plate (1), and that the upper and lower ends of the mounting hole (106) are provided with gaskets (103).

3. A threaded flange according to claim 1, characterized in that said mounting holes (106) are provided in four, and in that bolts (101) are provided in the mounting holes (106).

4. A threaded flange according to claim 3, characterized in that the bolts (101) are connected to a nut (102) at one end and the mounting holes (106) at the other end of the bolts (101), and the bolts (101) are connected to the inside of the nut (102).

5. A threaded flange according to claim 2, characterized in that one end of the gasket (103) is fixedly connected with the top surface of the flange (1), and one side of the gasket (103) is fixedly connected with the inner wall of the mounting hole (106).

6. A threaded flange according to claim 1, characterized in that the pressure-resistant pipe (104) is provided with a locating block (105) at one end and a locating slot (109) at the other end of the pressure-resistant pipe (104).

7. The threaded flange as claimed in claim 6, wherein one end of the positioning block (105) is fixedly connected with the pressure-resistant pipe (104), the positioning groove (109) is disposed on the pressure-resistant pipe (104), one end of the positioning groove (109) is movably connected with the positioning block (105), magnetic blocks are disposed in the positioning block (105) and the positioning groove (109), and the magnetic attraction enhances the tightness of the connection between the positioning block (105) and the positioning groove (109).