CN216306867U

CN216306867U - Ball valve with fireproof structure

Info

Publication number: CN216306867U
Application number: CN202122668141.9U
Authority: CN
Inventors: 叶学晓; 夏荣华; 季旭爽
Original assignee: Jiangsu Huavalve Technology Co ltd; Hua Valve Jiangsu Valve Industry Co ltd
Current assignee: Jiangsu Huavalve Technology Co ltd; Hua Valve Jiangsu Valve Industry Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-15
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a ball valve with a fireproof structure, which comprises a valve body, a metal sealing ring and a static elimination brush, wherein the right end of the valve body is connected with a right flange, the left side of the valve body is provided with a middle flange piece, a first sealing groove is formed in the middle flange piece, a soft sealing layer is arranged in the first sealing groove, a second sealing groove is formed above the first sealing groove, the metal sealing ring is arranged in the second sealing groove, the left side of the right flange is connected with a connecting rod, and the surface of the connecting rod is provided with a rotating shaft. The first magnetic block and the second magnetic block of the ball valve with the fireproof structure are oppositely placed in the same polarity, the force generated by repulsion of the first magnetic block and the second magnetic block pushes the static-removing brush to swing through the connecting rod and the spring, the first magnetic block and the second magnetic block are close to each other in the swinging process and simultaneously generate repulsion force again, the outer part of the valve body of the static-removing brush can be brushed for a long time, static electricity is removed, and fire disasters are prevented.

Description

Ball valve with fireproof structure

Technical Field

The utility model relates to the field of ball valves, in particular to a ball valve with a fireproof structure.

Background

The stainless steel ball valve can be closed tightly only by rotating 90 degrees and a small rotating moment. The completely equal inner cavity of the valve body provides a straight flow passage with small resistance for the medium. The stainless steel ball valve has the main characteristics of compact structure and easy operation and maintenance, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The ball valve body can be integrated or combined. The valve of this type should be generally installed horizontally in the pipeline.

The ball valve in the market has no surface static electricity removing structure, and when the ball valve is opened and closed, static electricity is generated due to easy friction, and a pipeline has the risk of deflagration.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a ball valve with a fireproof structure to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a ball valve with a fireproof structure comprises a valve body, a metal sealing ring and a static removing brush, wherein a right flange plate is connected to the right end of the valve body, a middle flange piece is arranged on the left side of the valve body, a first sealing groove is formed in the middle flange piece, a soft sealing layer is arranged in the first sealing groove, a second sealing groove is formed above the first sealing groove, the metal sealing ring is arranged in the second sealing groove, a connecting rod is connected to the left side of the right flange plate, a rotating shaft is arranged on the surface of the connecting rod, the static removing brush is arranged at the rear end of the rotating shaft, a spring is connected to the right side of the lower end of the static removing brush, an adapter rod is arranged on the right side of the spring, an auxiliary piece is arranged below the adapter rod, a first magnetic block is connected to the right side of the adapter rod, and a second magnetic block is arranged on the right side of the first magnetic block, and an installation shell is arranged outside the second magnetic block.

Preferably, the soft sealing layer and the metal sealing ring are both circular rings, and the central points of the soft sealing layer and the metal sealing ring are located on the same horizontal line.

Preferably, the static removing brushes are shaped like Contraband, and the static removing brushes and the connecting rods are vertically distributed.

Preferably, the first magnetic block and the second magnetic block are identical in shape, and horizontal central axes of the first magnetic block and the second magnetic block are coincident.

Preferably, the left side of middle part flange spare is connected with the valve way, and the left side of valve way installs the left side ring flange, first fire prevention sealing washer is installed to the left end of left side ring flange, the top of valve body is connected with the valve rod, and the outside of valve rod is provided with the switch lever.

Preferably, the left flange plate is tightly attached to the first fireproof sealing ring, and the central points of the left flange plate and the first fireproof sealing ring are located on the same horizontal line.

Preferably, right side ring flange right side is provided with the auxiliary assembly who is used for the location, and auxiliary assembly includes second fire prevention sealing washer, mounting hole, recess and lug, the outside of second fire prevention sealing washer is provided with the mounting hole, and the top of mounting hole is provided with the recess, the top of recess is provided with the lug.

Preferably, the second fireproof sealing ring is overlapped with the edge of the inner side of the right flange plate, and the second fireproof sealing ring is annular.

Preferably, the number of the grooves is four and is equal to that of the lugs.

The utility model provides a ball valve with a fireproof structure, which has the following beneficial effects: this ball valve with fire resistive construction through the effect that first magnetic path and second magnetic path homopolar repel each other, makes the static brush that destatics brush and brushes in the outside of valve body, gets rid of the static on ball surface, prevents because of the static gathering that switching valve produced, and the condition that arouses pipeline deflagration takes place, and installs the sealing washer of dual soft or hard material in the valve body junction, carries out duplicate protection, and auxiliary assembly plays the effect of location when the valve body installation.

1. The utility model increases the sealing effect through the diameter of the soft sealing layer which is smaller than that of the metal sealing ring, the soft sealing layer is closer to the pipeline communicated with the interior of the valve body, when the pipeline is in fire, the soft sealing layer has the sealing effect of the metal sealing ring after being melted, meanwhile, the fire is prevented from spreading out of the pipeline, the static removing brush is arranged below the exterior of the valve body, two sides of the static removing brush are arranged at the inner side of the connecting rod through the rotating shaft, the static removing brush can be rotated through the rotating shaft, thereby brushing at the exterior of the valve body and removing the static on the exterior surface of the valve body, the right side of the lower surface of the static removing brush is provided with the connecting rod through the spring, the spring can increase the left-right swinging property of the static removing brush, the first magnetic block and the second magnetic block are oppositely arranged in the same polarity, the force generated by repulsion of the first magnetic block pushes the static removing brush to swing through the connecting rod and the spring, when the first magnetic block and the second magnetic block are close to each other in the swinging process, repulsive force is generated again, so that the outer part of the valve body outside the static electricity removing brush can be brushed for a long time, static electricity is removed, and a fire disaster is prevented.

2. When the left flange plate is installed with a pipeline, the first fireproof sealing ring can increase the sealing performance and play a fireproof role, the inner ring edge of the second fireproof sealing ring is superposed with the inner ring edge of the right flange plate, the outer ring edge of the second fireproof sealing ring extends to the outer side of the installation hole, and the second fireproof sealing ring plays a fireproof role in sealing.

3. The groove and the lug are respectively connected with the central point of the right flange plate, the included angle between the groove and the lug is set to be 30 degrees, when the right flange plate is connected with the pipeline, the flange at the joint is provided with the corresponding groove and the corresponding lug, the groove and the lug are clamped, the pipeline installation is positioned, meanwhile, the installation hole is aligned more neatly, and the deviation is not generated during the installation.

Drawings

FIG. 1 is a schematic front view of a ball valve with a fire protection structure according to the present invention;

FIG. 2 is a schematic view of the internal structure of a flange member of a ball valve having a fire-resistant structure according to the present invention;

fig. 3 is a schematic side view of a ball valve having a fire prevention structure according to the present invention.

In the figure: 1. a valve body; 2. a right flange plate; 3. a middle flange member; 4. a first seal groove; 5. a soft sealing layer; 6. a second seal groove; 7. a metal seal ring; 8. a connecting rod; 9. a rotating shaft; 10. a static electricity removing brush; 11. a spring; 12. a connecting rod; 13. an auxiliary member; 14. a first magnetic block; 15. a second magnetic block; 16. mounting a shell; 17. a valve way; 18. a left flange plate; 19. a first fireproof sealing ring; 20. a valve stem; 21. a switch lever; 22. an auxiliary component; 2201. a second fireproof sealing ring; 2202. mounting holes; 2203. a groove; 2204. and (4) a bump.

Detailed Description

As shown in fig. 1, a ball valve with a fire-proof structure comprises a valve body 1, a metal sealing ring 7 and a static removing brush 10, wherein the right end of the valve body 1 is connected with a right flange 2, the left side of the valve body 1 is provided with a middle flange 3, the left side of the right flange 2 is connected with a connecting rod 8, the surface of the connecting rod 8 is provided with a rotating shaft 9, the static removing brush 10 is arranged at the rear end of the rotating shaft 9, the static removing brush 10 is shaped like Contraband, the static removing brush 10 and a connecting rod 12 are vertically distributed, the static removing brush 10 is arranged below the outer part of the valve body 1, two sides of the static removing brush 10 are arranged at the inner side of the connecting rod 8 through the rotating shaft 9, the static removing brush 10 can rotate through the rotating shaft 9, thereby brushing the outer part of the valve body 1 to remove static electricity on the outer surface thereof, the right side of the surface below the static removing brush 10 is provided with the connecting rod 12 through a spring 11, the spring 11 can increase the left-right swinging property of the static removing brush 10, the spring 11 is connected to the right side of the lower end of the static removing brush 10, the right side of the spring 11 is provided with the connecting rod 12, the auxiliary part 13 is arranged below the connecting rod 12, the right side of the connecting rod 12 is connected with the first magnetic block 14, the shapes of the first magnetic block 14 and the second magnetic block 15 are consistent, the horizontal central axes of the first magnetic block 14 and the second magnetic block 15 are coincident, the first magnetic block 14 and the second magnetic block 15 are oppositely arranged in the same polarity, the force generated by repulsion pushes the static removing brush 10 to swing through the connecting rod 12 and the spring 11, the first magnetic block 14 and the second magnetic block 15 are close to each other and generate repulsion force again in the swinging process, the outer part of the valve body 1 outside the static removing brush 10 can be brushed for a long time to remove static electricity and prevent fire, the second magnetic block 15 is arranged on the right side of the first magnetic block 14, the outer part of the second magnetic block 15 is provided with the mounting shell 16, the left side of middle part flange part 3 is connected with valve way 17, and left side ring flange 18 is installed in the left side of valve way 17, left side ring flange 18 and the inseparable laminating of first fire prevention sealing washer 19, and the central point of left side ring flange 18 and first fire prevention sealing washer 19 is located same water flat line, left side ring flange 18 when with the piping erection, when its first fire prevention sealing washer 19 multiplicable leakproofness, can also play the effect of fire prevention, first fire prevention sealing washer 19 is installed to the left end of left side ring flange 18, the top of valve body 1 is connected with valve rod 20, and valve rod 20's outside is provided with switch lever 21.

As shown in fig. 2, first seal groove 4 has been seted up to middle part flange spare 3's inside, soft sealing layer 5 and metal seal circle 7 shape all set up to the ring shape, and the central point of soft sealing layer 5 and metal seal circle 7 is located same water flat line, the diameter of soft sealing layer 5 is less than the diameter of metal seal circle 7, double seal increases sealed effect, soft sealing layer 5 is more close the inside intercommunication pipeline of valve body 1, when the pipeline takes place the conflagration, soft sealing layer 5 is being melted the back, metal seal circle 7 plays sealed effect in addition, prevent simultaneously that the conflagration from stretching out outside the pipeline, and the inside of first seal groove 4 is provided with soft sealing layer 5, the top of first seal groove 4 is provided with second seal groove 6, metal seal circle 7 sets up in the inside of second seal groove 6.

As shown in fig. 3, an auxiliary component 22 for positioning is disposed on the right side of the right flange 2, and the auxiliary component 22 includes a second fire-proof sealing ring 2201, a mounting hole 2202, a groove 2203 and a bump 2204, the mounting hole 2202 is disposed outside the second fire-proof sealing ring 2201, the inner side edges of the second fire-proof sealing ring 2201 and the right flange 2 coincide, the second fire-proof sealing ring 2201 is circular, the inner circular edge of the second fire-proof sealing ring 2201 coincides with the inner circular edge of the right flange 2, the outer circular edge of the second fire-proof sealing ring 2201 extends to the outer side of the mounting hole 2202, the second fire-proof sealing ring 2201 also has a fire-proof function while performing sealing, the groove 2203 is disposed above the mounting hole 2202, the four grooves 2203 are annularly distributed in relation to the central point of the right flange 2, the number of the grooves 2203 is equal to the number of the bumps 2204, the grooves 2203 and the bumps 2204 are respectively connected to the central point of the right flange 2, the included angle between the two flanges is set to be 30 degrees, when the right flange 2 is connected with a pipeline, the flange at the joint is provided with a corresponding groove 2203 and a corresponding bump 2204, the groove 2203 and the bump 2204 are clamped, the pipeline installation is positioned, the installation hole 2202 is aligned neatly, the deviation cannot be generated during installation, and the bump 2204 is arranged above the groove 2203.

In summary, in the ball valve with the fireproof structure, when the right flange 2 is connected with a pipeline, the flange at the joint is provided with the corresponding groove 2203 and the corresponding bump 2204, the groove 2203 and the bump 2204 are clamped to position the pipeline installation, simultaneously, the installation hole 2202 is aligned more neatly, no offset is generated during the installation, the second fireproof sealing ring 2201 also plays the fireproof role in sealing, the left flange 18 is also installed, the middle flange 3 is directly connected with the left side of the valve body 1, the middle flange 3 is a group of two flanges which are installed through bolts, the diameter of the soft sealing layer 5 is smaller than that of the metal sealing ring 7, the double sealing rings increase the sealing effect, the soft sealing layer 5 is closer to the pipeline communicated with the interior of the valve body 1, and the metal sealing ring 7 plays the sealing role after the soft sealing layer 5 is melted when the pipeline is in a fire disaster, meanwhile, the first magnetic block 14 and the second magnetic block 15 are oppositely arranged in the same polarity, the force generated by repulsion is pushed Contraband-shaped static-removing hairbrush 10 to swing by taking the rotating shaft 9 as a rotating point through the connecting rod 12 and the spring 11, and the repulsion is generated again when the first magnetic block 14 and the second magnetic block 15 are close to each other in the swinging process, so that the exterior of the valve body 1 outside the static-removing hairbrush 10 can be brushed for a long time, the static electricity on the exterior surface of the valve body is removed, and the fire caused by the static electricity is prevented from happening.

Claims

1. A ball valve with a fireproof structure comprises a valve body (1), a metal sealing ring (7) and a static removing brush (10), and is characterized in that the right end of the valve body (1) is connected with a right flange (2), the left side of the valve body (1) is provided with a middle flange (3), a first sealing groove (4) is formed in the middle flange (3), a soft sealing layer (5) is arranged in the first sealing groove (4), a second sealing groove (6) is arranged above the first sealing groove (4), the metal sealing ring (7) is arranged in the second sealing groove (6), the left side of the right flange (2) is connected with a connecting rod (8), the surface of the connecting rod (8) is provided with a rotating shaft (9), the static removing brush (10) is arranged at the rear end of the rotating shaft (9), and the right side of the lower end of the static removing brush (10) is connected with a spring (11), the magnetic coupling is characterized in that an engaging rod (12) is installed on the right side of the spring (11), an auxiliary piece (13) is arranged below the engaging rod (12), a first magnetic block (14) is connected to the right side of the engaging rod (12), a second magnetic block (15) is arranged on the right side of the first magnetic block (14), and an installation shell (16) is arranged outside the second magnetic block (15).

2. A ball valve with a fire-proof structure according to claim 1, wherein the soft sealing layer (5) and the metal sealing ring (7) are both shaped as circular rings, and the center points of the soft sealing layer (5) and the metal sealing ring (7) are located on the same horizontal line.

3. A fire prevention structure ball valve according to claim 1, wherein the static electricity removing brush (10) is formed in Contraband shape, and the static electricity removing brush (10) and the joint rod (12) are vertically arranged.

4. The ball valve with the fireproof structure according to claim 1, wherein the first magnet (14) and the second magnet (15) are identical in shape, and horizontal central axes of the first magnet (14) and the second magnet (15) coincide with each other.

5. A ball valve with a fireproof structure according to claim 1, wherein a valve channel (17) is connected to the left side of the middle flange part (3), a left flange (18) is installed on the left side of the valve channel (17), a first fireproof sealing ring (19) is installed at the left end of the left flange (18), a valve rod (20) is connected to the upper part of the valve body (1), and a switch rod (21) is arranged outside the valve rod (20).

6. A ball valve with a fireproof structure according to claim 5, wherein the left flange (18) and the first fireproof sealing ring (19) are tightly attached, and the central points of the left flange (18) and the first fireproof sealing ring (19) are located on the same horizontal line.

7. The ball valve with the fireproof structure according to claim 1, wherein an auxiliary component (22) for positioning is arranged on the right side of the right flange (2), and the auxiliary component (22) comprises a second fireproof sealing ring (2201), a mounting hole (2202), a groove (2203) and a projection (2204), the mounting hole (2202) is arranged outside the second fireproof sealing ring (2201), the groove (2203) is arranged above the mounting hole (2202), and the projection (2204) is arranged above the groove (2203).

8. A fire protection arrangement in a ball valve according to claim 7, characterised in that the second fire protection sealing ring (2201) coincides with the inner edge of the right flange (2), and that the second fire protection sealing ring (2201) is arranged in the shape of a ring.

9. A ball valve with fire-proof structure according to claim 7, characterized in that the number of the grooves (2203) is four and the number of the grooves (2203) and the number of the projections (2204) are equal, wherein the four grooves (2203) are distributed annularly about the center point of the right flange (2).