CN216382740U

CN216382740U - Sealing device of switching valve for heat storage incineration

Info

Publication number: CN216382740U
Application number: CN202122893036.5U
Authority: CN
Inventors: 蒋健良
Original assignee: Jiangsu Aoli Environmental Protection Technology Co ltd
Current assignee: Jiangsu Aoli Environmental Protection Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-26
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a sealing device of a switching valve for heat storage incineration, and belongs to the technical field of switching valve sealing. The sealing device of the switching valve for heat storage incineration comprises a valve structure and a sealing structure. The valve structure includes valve body and connecting pipe, the both sides of valve body are fixed with into pipe and exit tube, the surface that advances pipe and exit tube all is fixed with first connection pad, the second connection pad is installed advance the pipe with the tip of exit tube, seal structure includes sliding sleeve, slip post and connecting rod, the sliding sleeve slides and cup joints advance the pipe with the surface of exit tube, the sleeve pass through the connecting piece with the sliding sleeve rotates to be connected, the connecting rod is fixed the tip of slip post, the end fixing of connecting rod has the packing piece, the packing piece with the surface of second connection pad is hugged closely. The utility model can be simpler and more convenient in sealing, improves the sealing efficiency and simultaneously enhances the sealing effect.

Description

Sealing device of switching valve for heat storage incineration

Technical Field

The utility model relates to the technical field of switching valve sealing, in particular to a sealing device of a switching valve for heat storage incineration.

Background

The switching valve is a pneumatic switch valve arranged at the hot end of the switching type heat exchanger, and the valve plate is opened and closed by utilizing the connecting rod structure principle.

At present, the sealing device of the switching valve for the heat storage incineration is relatively troublesome in mounting and sealing, so that the time for mounting the sealing device is increased, and the mounting efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above disadvantages, the present invention provides a sealing device for a switching valve for heat storage incineration, which aims to solve the problem that the sealing device for a switching valve for heat storage incineration is relatively troublesome to install and seal.

The utility model is realized by the following steps:

the utility model provides a sealing device of a switching valve for heat storage incineration.

The valve structure comprises a valve body and a connecting pipe, wherein a pipe and an outlet pipe are fixed on two sides of the valve body, a first connecting disc is fixed on the surface of the pipe and the surface of the outlet pipe, a second connecting disc is fixed on the end portion of the connecting pipe, the second connecting disc is installed on the end portion of the pipe and the end portion of the outlet pipe, the sealing structure comprises a sliding sleeve, a sliding column and a connecting rod, the sliding sleeve is sleeved with the pipe and the surface of the outlet pipe in a sliding mode, the sleeve is connected with the sliding sleeve in a rotating mode through a connecting piece, a threaded column is connected inside the sleeve in a rotating mode, the sliding column is in threaded connection with the surface of the threaded column, the connecting rod is fixed at the end portion of the sliding column, a pressing piece is fixed on the end portion of the connecting rod, and the pressing piece is tightly attached to the surface of the second connecting disc.

In an embodiment of the present invention, a first annular groove is formed in a surface of the first connecting disc, and a sealing gasket is fixed inside the first annular groove.

In an embodiment of the utility model, a first annular bump matched with the first annular groove is fixed on one side of the second connecting disc, and the first annular bump is clamped in the first annular groove.

In one embodiment of the present invention, a second sealing layer is fixed on the inner surface of the sliding sleeve, and the thickness of the second sealing layer is three millimeters.

In one embodiment of the present invention, one end of the threaded column extends through the sleeve to the outside, and a rotating portion is fixed to the end of the threaded column.

In an embodiment of the utility model, sliding grooves are symmetrically formed in the sleeve, the surface of the sliding column is fixed with a limiting block matched with the sliding grooves, and the limiting block is connected with the inner surface of the sliding groove in a sliding manner.

In one embodiment of the utility model, the connecting piece comprises a connecting plate and a pin boss, the pin boss is fixed on one side of the sliding sleeve, the connecting plate is rotatably connected with the pin boss, and the end part of the connecting plate is fixedly connected with the sleeve.

In an embodiment of the present invention, the pressing member includes a pressing plate and a pressing protrusion, the pressing plate is fixedly connected to the connecting rod, and the pressing protrusion is fixed to one side of the pressing plate.

In an embodiment of the utility model, a limiting groove matched with the extrusion bump is formed on the surface of the second connecting disc.

In one embodiment of the utility model, a first sealing layer is fixed on one side of the second connecting disc, and the first sealing layer is tightly attached to the surface of the first connecting disc.

The utility model has the beneficial effects that: the sealing device of the switching valve for heat storage incineration, which is obtained by the design, is used, the sliding sleeve is moved towards one side to be clamped on the surfaces of the first connecting disc and the second connecting disc, so that the first annular bump can be just clamped inside the first annular groove, meanwhile, the first sealing layer is just attached to the surface of the first connecting disc, the rotating sleeve is used for clamping the extrusion bump on the surface of the pressing plate inside the limiting groove, then the rotating part is used for rotating the threaded column to enable the sliding column to move towards the inside of the sleeve, so that the pressing plate and the extrusion bump can extrude the second connecting disc towards the direction of the first connecting disc, the first sealing layer can be attached to the first connecting disc more tightly, meanwhile, the first annular bump is attached to the sealing gasket inside the first annular groove more tightly, therefore, the sealing device is simpler and more convenient, and improves the sealing efficiency, and meanwhile, the sealing effect is enhanced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first perspective structural view of a sealing device of a switching valve for heat storage incineration according to an embodiment of the present invention;

fig. 2 is a first perspective sectional view of a sealing device of a switching valve for thermal storage incineration according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of a second connecting disc of a sealing device of a switching valve for heat storage incineration according to an embodiment of the utility model;

fig. 5 is a schematic structural view of a sealing device pressing member of a switching valve for thermal storage incineration according to an embodiment of the present invention.

In the figure: 100-valve structure; 110-a valve body; 111-inlet pipe; 112-an outlet pipe; 120-a first splice tray; 121-a first annular groove; 130-connecting tube; 131-a second connecting disc; 1311-a limiting groove; 1312-a first sealant layer; 132 — a first annular bump; 200-a sealing structure; 210-a sliding sleeve; 211-a second sealing layer; 220-a sleeve; 221-threaded post; 2211-rotating part; 222-a chute; 230-a connector; 231-a connecting plate; 232-pin seat; 240-sliding post; 241-a limiting block; 250-a connecting rod; 260-a pressing piece; 261-a platen; 262-pressing the bumps.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a sealing device for a switching valve for thermal storage incineration includes a valve structure 100 and a sealing structure 200.

The sealing structure 200 is used for sealing the connection of the valve structure 100 with an external pipe.

Referring to fig. 1 to 4, the valve structure 100 includes a valve body 110 and a connecting pipe 130, an inlet pipe 111 and an outlet pipe 112 are fixed to both sides of the valve body 110, a first connecting plate 120 is fixed to both surfaces of the inlet pipe 111 and the outlet pipe 112, a second connecting plate 131 is fixed to an end of the connecting pipe 130, and the second connecting plate 131 is installed at ends of the inlet pipe 111 and the outlet pipe 112.

A first annular groove 121 is formed in the surface of the first connecting disc 120, and a sealing gasket made of rubber material is fixed inside the first annular groove 121; a first annular bump 132 matched with the first annular groove 121 is fixed on one side of the second connecting disc 131, the first annular bump 132 is clamped inside the first annular groove 121, and the first annular bump 132 and a sealing gasket are extruded, so that the sealing performance after installation is improved; the inner surface of the sliding sleeve 210 is fixed with a second sealing layer 211, the thickness of the second sealing layer 211 is three millimeters, the second sealing layer 211 is made of rubber material, and the second sealing layer 211 is positioned between the second connecting disc 131 and the first connecting disc 120, so that the sealing of the seam is facilitated.

Referring to fig. 1-5, the sealing structure 200 includes a sliding sleeve 210, a sleeve 220, a sliding column 240 and a connecting rod 250, the sliding sleeve 210 is slidably sleeved on the surfaces of the inlet pipe 111 and the outlet pipe 112, the sleeve 220 is rotatably connected with the sliding sleeve 210 through a connecting member 230, a threaded column 221 is rotatably connected inside the sleeve 220, the sliding column 240 is threadedly connected on the surface of the threaded column 221, the connecting rod 250 is fixed at the end of the sliding column 240, a pressing member 260 is fixed at the end of the connecting rod 250, and the pressing member 260 is tightly attached to the surface of the second connecting plate 131.

One end of the threaded post 221 extends to the outside through the sleeve 220, a rotating part 2211 is fixed at the end of the threaded post 221, and the rotating part 2211 is a prism with a regular hexagonal section, so that the rotating part 2211 can be conveniently rotated by a wrench; the inside of the sleeve 220 is symmetrically provided with sliding grooves 222, the surface of the sliding column 240 is fixed with a limiting block 241 matched with the sliding grooves 222, and the limiting block 241 is connected with the inner surface of the sliding grooves 222 in a sliding manner; the connecting member 230 includes a connecting plate 231 and a pin seat 232, the pin seat 232 is fixed on one side of the sliding sleeve 210, the connecting plate 231 is rotatably connected with the pin seat 232, and the end of the connecting plate 231 is fixedly connected with the sleeve 220.

The pressing piece 260 comprises a pressing plate 261 and a pressing lug 262, the pressing plate 261 is fixedly connected with the connecting rod 250, and the pressing lug 262 is fixed on one side of the pressing plate 261; the surface of the second connecting disc 131 is provided with a limiting groove 1311 matched with the extrusion bump 262; a first sealant 1312 is fixed to one side of the second land 131, and the first sealant 1312 is in close contact with the surface of the first land 120.

Specifically, the operating principle of the sealing device of the switching valve for thermal storage incineration is as follows: when in use, the sliding sleeve 210 is moved to one side to be clamped on the surfaces of the first connecting disc 120 and the second connecting disc 131, so that the first annular projection 132 can be just snapped inside the first annular groove 121, meanwhile, the first sealant 1312 is just attached to the surface of the first connecting disc 120, and then the rotating sleeve 220 clamps the pressing protrusion 262 on the surface of the pressing plate 261 in the limiting groove 1311, then the sliding post 240 is moved toward the inside of the sleeve 220 by rotating the threaded post 221 by the rotating portion 2211, so that the pressing plate 261 and the pressing protrusions 262 press the second land 131 toward the first land 120, so that the first sealant layer 1312 can be fitted more closely to the first land 120, at the same time, the first annular projection 132 is attached to the sealing gasket inside the first annular groove 121 more tightly, therefore, the sealing can be more simple and convenient, the sealing efficiency is improved, and the sealing effect is enhanced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing device of a switching valve for heat storage incineration is characterized by comprising

The valve structure (100) comprises a valve body (110) and a connecting pipe (130), wherein an inlet pipe (111) and an outlet pipe (112) are fixed on two sides of the valve body (110), first connecting discs (120) are fixed on the surfaces of the inlet pipe (111) and the outlet pipe (112), a second connecting disc (131) is fixed at the end part of the connecting pipe (130), and the second connecting disc (131) is installed at the end parts of the inlet pipe (111) and the outlet pipe (112);

the sealing structure (200) comprises a sliding sleeve (210), a sleeve (220), a sliding column (240) and a connecting rod (250), wherein the sliding sleeve (210) is sleeved on the surfaces of the inlet pipe (111) and the outlet pipe (112) in a sliding mode, the sleeve (220) is rotatably connected with the sliding sleeve (210) through a connecting piece (230), a threaded column (221) is rotatably connected inside the sleeve (220), the sliding column (240) is in threaded connection with the surface of the threaded column (221), the connecting rod (250) is fixed at the end of the sliding column (240), a pressing piece (260) is fixed at the end of the connecting rod (250), and the pressing piece (260) is tightly attached to the surface of the second connecting disc (131).

2. The sealing device of the switching valve for heat storage incineration according to claim 1, wherein a first annular groove (121) is formed in the surface of the first connecting disc (120), and a sealing gasket is fixed inside the first annular groove (121).

3. The sealing device of a switching valve for heat storage incineration according to claim 2, characterized in that a first annular projection (132) matching the first annular groove (121) is fixed to one side of the second connecting disc (131), and the first annular projection (132) is clamped inside the first annular groove (121).

4. The sealing device of a switching valve for thermal storage incineration according to claim 1, wherein a second sealing layer (211) is fixed to an inner surface of the sliding sleeve (210), and the thickness of the second sealing layer (211) is three millimeters.

5. The sealing device for a switching valve for thermal storage incineration according to claim 1, wherein one end of the threaded column (221) extends to the outside through the sleeve (220), and a rotating portion (2211) is fixed to an end of the threaded column (221).

6. The sealing device of the switching valve for heat storage incineration according to claim 1, wherein sliding grooves (222) are symmetrically formed in the sleeve (220), a limiting block (241) matched with the sliding grooves (222) is fixed on the surface of the sliding column (240), and the limiting block (241) is connected with the inner surface of the sliding grooves (222) in a sliding mode.

7. The sealing device of a switching valve for thermal storage incineration according to claim 1, wherein the connecting member (230) comprises a connecting plate (231) and a pin seat (232), the pin seat (232) is fixed on one side of the sliding sleeve (210), the connecting plate (231) is rotatably connected with the pin seat (232), and the end of the connecting plate (231) is fixedly connected with the sleeve (220).

8. The sealing device of a switching valve for thermal storage incineration according to claim 1, wherein the pressing member (260) includes a pressing plate (261) and a pressing projection (262), the pressing plate (261) is fixedly connected with the connecting rod (250), and the pressing projection (262) is fixed on one side of the pressing plate (261).

9. The sealing device of a switching valve for heat storage incineration according to claim 8, wherein a limiting groove (1311) matched with the extrusion bump (262) is formed on the surface of the second connecting disc (131).

10. The sealing device for a switching valve for thermal storage incineration according to claim 1, wherein a first sealant layer (1312) is fixed to one side of the second land (131), and the first sealant layer (1312) is in close contact with a surface of the first land (120).