CN215891202U

CN215891202U - Anti-cracking large-diameter ball valve

Info

Publication number: CN215891202U
Application number: CN202122431756.XU
Authority: CN
Inventors: 吴进冬; 吴天祥; 吴纯翔; 陈丽敏
Original assignee: Star Valve Co ltd
Current assignee: Star Valve Co ltd
Priority date: 2021-10-10
Filing date: 2021-10-10
Publication date: 2022-02-22
Anticipated expiration: 2031-10-10

Abstract

The utility model relates to the technical field of ball valves, in particular to a large-diameter ball valve capable of preventing breakage, which comprises a valve pipe and a sealing block, wherein the sealing block is fixedly connected to the top of the valve pipe, a protection assembly is arranged in the valve pipe and comprises a protection outer cover and an opening and closing piece, the protection outer cover is fixedly connected to the outer wall of the opening and closing piece, and the protection outer cover is composed of an inner plate, a heat insulation layer and a protection layer. This can prevent ruptured heavy-calibre ball valve, because the protective housing is installed to the outer wall of opening and close the piece, and the inside of protective housing is provided with the insulating layer, the insulating layer is the vacuum plate, the thermal separation of completion that the vacuum plate can be fine, thereby avoid opening and close the difference in temperature of the left and right sides of piece great, lead to opening and close the cracked condition of piece and appear, the life of opening and closing the piece has been prolonged, the inside of protective housing is provided with the inoxidizing coating, the inoxidizing coating is formed by the glass steel preparation, the glass steel has good anticorrosive effect.

Description

Anti-cracking large-diameter ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a large-diameter ball valve capable of preventing breakage.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

At present, the ball valve on the market is easy to cause the situation of the breakage of the opening and closing piece because the temperature difference between the left side and the right side is large, so that the sealing effect of the opening and closing piece is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large-diameter ball valve capable of preventing fracture so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a but heavy-calibre ball valve of fracture prevention, includes valve pipe and seal block, seal block fixed connection is in the top of valve pipe, the inside of valve pipe is provided with the protection subassembly.

The protection assembly comprises a protection outer cover and an opening and closing piece, the protection outer cover is fixedly connected to the outer wall of the opening and closing piece, and the protection outer cover is composed of an inner plate, a heat insulation layer and a protection layer.

Preferably, the inner plate is fixedly connected to the outer wall of the opening and closing member, the heat insulation layer is fixedly connected to the outer wall of the inner plate, and the protective layer is fixedly connected to the outer wall of the heat insulation layer.

Preferably, the insulating layer is made by the vacuum board, and the vacuum board has good thermal-insulated effect, can avoid the temperature of the inside liquid of valve pipe to transmit to the inside of opening and closing piece, leads to the difference in temperature of opening and closing piece both sides great to the condition that leads to opening and closing piece to break appears.

Preferably, the protective layer is made of glass fiber reinforced plastics, the glass fiber reinforced plastics have a good corrosion prevention effect, and when corrosive materials are transported, the corrosive materials can be prevented from corroding the heat insulation layer.

Preferably, the outer wall of the opening and closing piece is provided with an on-off component, and the on-off component comprises a rotating rod, a rotating plate, a connecting block, a supporting block and a groove.

Preferably, the rotating rod is arranged inside the sealing block, the rotating plate is fixedly connected to the top end of the rotating rod, the connecting block is fixedly connected to the bottom end of the rotating rod, the supporting block is fixedly connected to the bottom of the opening and closing part, and the groove is formed in the center of the bottom inside the valve tube.

Preferably, the rotating rod penetrates through the sealing block and extends to the outside of the sealing block, the outer wall of the rotating rod is connected with the inner wall of the sealing block, which penetrates through the sealing block in a rotating mode, the bottom of the connecting block is fixedly connected with the top of the opening and closing piece, the rotating plate is rotated by an operator, the opening and closing piece is driven to rotate through the rotating rod and the connecting block, the inner wall of the groove is connected with the outer wall of the supporting block in a rotating mode, and the supporting block can rotate inside the groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. this can prevent heavy-calibre ball valve that breaks because the outer wall of opening and close the piece installs the protecting sheathing, and the inside of protecting sheathing is provided with the insulating layer, and the insulating layer is the vacuum plate, and the thermal separation of completion that the vacuum plate can be fine to the difference in temperature of the left and right sides of avoiding opening and closing the piece is great, leads to the broken condition of opening and closing the piece to appear, has prolonged the life of opening and closing the piece.

2. This but heavy-calibre ball valve of anti-rupture, the inside of protecting sheathing is provided with the inoxidizing coating, and the inoxidizing coating is formed by the glass steel preparation, and the glass steel has good anticorrosive effect, when transporting corrosive material, can avoid corrosive material to lead to the fact the corruption to the insulating layer, leads to the insulating layer to separate the temperature effect and descend, prolongs the life of insulating layer.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged front cross-sectional view of the protective housing structure of the present invention;

fig. 4 is an enlarged partial sectional view of the front side of the protective housing structure of the present invention.

In the figure: 1. a valve tube; 2. a sealing block; 3. a protection component; 301. a protective outer cover; 302. an opening and closing member; 3011. an inner plate; 3012. a thermal insulation layer; 3013. a protective layer; 4. an on-off component; 401. a rotating rod; 402. rotating the plate; 403. connecting blocks; 404. a support block; 405. and (4) a groove.

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 but heavy-calibre ball valve of fracture prevention, includes valve pipe 1 and sealing block 2, sealing block 2 fixed connection is in the top of valve pipe 1, and the inside of valve pipe 1 is provided with protection subassembly 3.

The protection component 3 comprises a protection outer cover 301 and an opening and closing piece 302, the protection outer cover 301 is fixedly connected to the outer wall of the opening and closing piece 302, the outer wall of the opening and closing piece 302 is provided with an on-off component 4, the protection outer cover 301 is composed of an inner plate 3011, a heat insulation layer 3012 and a protection layer 3013, the inner plate 3011 is fixedly connected to the outer wall of the opening and closing piece 302, the heat insulation layer 3012 is fixedly connected to the outer wall of the inner plate 3011, the heat insulation layer 3012 is made of a vacuum plate, the vacuum plate has a good heat insulation effect, the temperature of liquid in the valve pipe 1 can be prevented from being transmitted to the inside of the opening and closing piece 302, the temperature difference between two sides of the opening and closing piece 302 is large, and the opening and closing piece 302 is broken, the protection layer 3013 is fixedly connected to the outer wall of the heat insulation layer 3012, the protection layer 3013 is made of glass fiber reinforced plastics, the glass fibers have a good corrosion prevention effect, when corrosive materials are transported, the corrosive materials can prevent the corrosive materials from corroding the heat insulation layer 3012, because protection dustcoat 301 is installed to the outer wall of opening and close piece 302, and the inside of protection dustcoat 301 is provided with insulating layer 3012, insulating layer 3012 is the vacuum board, the thermal separation of completion that the vacuum board can be fine, thereby it is great to avoid the difference in temperature of the left and right sides of opening and close piece 302, the condition that leads to opening and closing piece 302 to break appears, the life of opening and closing piece 302 has been prolonged, the inside of protection dustcoat 301 is provided with inoxidizing coating 3013, inoxidizing coating 3013 is formed by the preparation of glass steel, glass steel has good anticorrosive effect, when transporting corrosive material, can avoid corrosive material to cause the corruption to insulating layer 3012, lead to the temperature effect that separates of insulating layer 3012 to descend, the life of extension insulating layer 3012.

The break-make component 4 comprises a rotating rod 401, a rotating plate 402, a connecting block 403, a supporting block 404 and a groove 405, the rotating rod 401 is arranged in a sealing block 2, the rotating rod 401 penetrates through the sealing block 2, and extends to the outside of the sealing block 2, the outer wall of the rotating rod 401 is connected with the inner wall of the sealing block 2 through rotation, the rotating plate 402 is fixedly connected to the top end of the rotating rod 401, the connecting block 403 is fixedly connected to the bottom end of the rotating rod 401, the bottom of the connecting block 403 is fixedly connected with the top of the opening and closing piece 302, an operator rotates the rotating plate 402, the rotating rod 401 and the connecting block 403 are used for driving the opening and closing piece 302 to rotate, the supporting block 404 is fixedly connected to the bottom of the opening and closing piece 302, the groove 405 is arranged at the center of the bottom inside of the valve pipe 1, the inner wall of the groove 405 is connected with the outer wall of the supporting block 404 through rotation, and the supporting block 404 can rotate in the inside of the groove 405.

In summary, the following steps: because protection dustcoat 301 is installed to the outer wall of opening and close piece 302, and the inside of protection dustcoat 301 is provided with insulating layer 3012, insulating layer 3012 is the vacuum board, the thermal separation of completion that the vacuum board can be fine, thereby it is great to avoid the difference in temperature of the left and right sides of opening and close piece 302, the condition that leads to opening and closing piece 302 to break appears, the life of opening and closing piece 302 has been prolonged, the inside of protection dustcoat 301 is provided with inoxidizing coating 3013, inoxidizing coating 3013 is formed by the preparation of glass steel, glass steel has good anticorrosive effect, when transporting corrosive material, can avoid corrosive material to cause the corruption to insulating layer 3012, lead to the temperature effect that separates of insulating layer 3012 to descend, the life of extension insulating layer 3012.

When using, operating personnel is through rotating swivel plate 402, swivel plate 402 drives swivel lever 401 and rotates, because the bottom and the connecting block 403 fixed connection of swivel lever 401, the bottom of connecting block 403 and the top fixed connection of opening and closing piece 302, the bottom of opening and closing piece 302 and the top fixed connection of supporting shoe 404, consequently, when swivel lever 401 is rotatory, can drive connecting block 403, opening and closing piece 302 and supporting shoe 404 rotate, thereby make valve pipe 1 be in the connected state, swivel plate 402 is rotatory once more afterwards, then can drive opening and closing piece 302 and seal valve pipe 1.

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. The utility model provides a but heavy-calibre ball valve of fracture prevention, includes valve tube (1) and sealing block (2), its characterized in that: the sealing block (2) is fixedly connected to the top of the valve pipe (1), and a protection assembly (3) is arranged in the valve pipe (1); the protective assembly (3) comprises a protective outer cover (301) and an opening and closing piece (302), the protective outer cover (301) is fixedly connected to the outer wall of the opening and closing piece (302), and the protective outer cover (301) is composed of an inner plate (3011), a heat insulation layer (3012) and a protective layer (3013).

2. A large diameter ball valve which is resistant to rupture as set forth in claim 1, wherein: the inner plate (3011) is fixedly connected to the outer wall of the opening and closing piece (302), the heat insulation layer (3012) is fixedly connected to the outer wall of the inner plate (3011), and the protective layer (3013) is fixedly connected to the outer wall of the heat insulation layer (3012).

3. A large diameter ball valve which is resistant to rupture as set forth in claim 1, wherein: the heat insulation layer (3012) is made of a vacuum plate.

4. A large diameter ball valve which is resistant to rupture as set forth in claim 1, wherein: the protective layer (3013) is made of glass fiber reinforced plastics.

5. A large diameter ball valve which is resistant to rupture as set forth in claim 1, wherein: the outer wall of the opening and closing piece (302) is provided with an on-off component (4), and the on-off component (4) comprises a rotating rod (401), a rotating plate (402), a connecting block (403), a supporting block (404) and a groove (405).

6. A large-diameter ball valve capable of preventing breakage according to claim 5, wherein: the rotating rod (401) is arranged inside the sealing block (2), the rotating plate (402) is fixedly connected to the top end of the rotating rod (401), the connecting block (403) is fixedly connected to the bottom end of the rotating rod (401), the supporting block (404) is fixedly connected to the bottom of the opening and closing piece (302), and the groove (405) is arranged in the center of the bottom inside the valve tube (1).

7. A large diameter ball valve which is resistant to rupture as set forth in claim 6, wherein: the rotating rod (401) penetrates through the sealing block (2) and extends to the outside of the sealing block (2), the outer wall of the rotating rod (401) is rotatably connected with the penetrated inner wall of the sealing block (2), the bottom of the connecting block (403) is fixedly connected with the top of the opening and closing piece (302), and the inner wall of the groove (405) is rotatably connected with the outer wall of the supporting block (404).