CN223483481U

CN223483481U - High-performance sealing fixed ball valve

Info

Publication number: CN223483481U
Application number: CN202423005974.7U
Authority: CN
Inventors: 袁涛
Original assignee: Flowserve Fluid Motion and Control Suzhou Co Ltd
Current assignee: Flowserve Fluid Motion and Control Suzhou Co Ltd
Priority date: 2024-12-06
Filing date: 2024-12-06
Publication date: 2025-10-28
Anticipated expiration: 2034-12-06

Abstract

The utility model discloses a high-performance sealing fixed ball valve which comprises a valve body, wherein a valve rod is arranged at the top end of the valve body, a baffle is arranged at the top end of the valve rod, sealing filler is arranged in the valve rod, a single-piston valve seat is arranged on one side of a valve plate, a fixed rod is arranged on one side of the single-piston valve seat, first springs are arranged at the top end and the bottom end of the single-piston valve seat, a double-piston valve seat is arranged on the other side of the valve plate, and second springs are arranged at the top end and the bottom end of the double-piston valve seat. According to the utility model, the single piston valve seat is arranged on one side of the valve plate and can be fixed on the valve body through the fixing rod, the single piston valve seat can realize automatic pressure relief, the double piston valve seat on the other side can realize a bidirectional sealing function, the first spring and the second spring are elastic, the elasticity of the springs enables the sealing effect of the piston valve seat to be better, and the sealing filler in the inner part can also strengthen the integral sealing effect of the valve body, so that the aim of conveniently strengthening the sealing performance of the fixed ball valve is fulfilled.

Description

High-performance sealing fixed ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a high-performance sealing fixed ball valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters of a conveying medium, the ball valve is one of valves, the ball valve is driven by a valve rod, and the opening and closing member rotates around the axis of the ball valve, and the valve can also be used for adjusting and controlling fluid, wherein the V-shaped core of the hard seal V-shaped ball valve has strong shearing force with a metal valve seat of hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like, and the multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the mediums on a pipeline, and can also close any channel to connect the other two channels.

Today's fixed ball valve can basically meet the use demands of people, but still has some problems, such as the following:

1. The problem that the sealing performance is difficult to strengthen by fixing the ball valve is very important requirement of the valve, and the sealing performance of the ball valve can be enhanced by the traditional ball valve, so that the sealing performance of the ball valve is high.

2. The problem that fixed ball valve is difficult to the pressure release blowdown, when the ball valve was used, the inside atmospheric pressure of valve body and water pressure probably can be too high and lead to the valve body to appear damaging, are difficult to carry out the pressure release when appearing the pressure too high.

Disclosure of utility model

The utility model aims to provide a high-performance sealing fixed ball valve, which is used for solving the defects that the existing fixed ball valve is difficult to strengthen the sealing performance and difficult to release pressure and discharge pollution.

In order to solve the technical problems, the utility model provides the following technical scheme that the high-performance sealing fixed ball valve comprises a valve body;

The top end of the valve body is provided with a valve rod, the top end of the valve rod is provided with a baffle, the interior of the valve rod is provided with sealing filler, and both sides of the valve body are provided with flanges;

The valve is characterized in that the bottom end of the valve body is provided with supporting legs, the two sides of the valve body are provided with dismounting structures, the bottom end of the valve body is provided with a pressure relief structure, the top end of the valve body is provided with a mounting plate, the interior of the valve body is provided with a valve plate, and the two sides of the valve plate are provided with sealing structures;

The sealing structure comprises a single piston valve seat, a fixed rod, a first spring, a second spring and a double-piston valve seat, wherein the single piston valve seat is arranged on one side of a valve plate, the fixed rod is arranged on one side of the single piston valve seat, the first spring is arranged on the top end and the bottom end of the single piston valve seat, the double-piston valve seat is arranged on the other side of the valve plate, and the second spring is arranged on the top end and the bottom end of the double-piston valve seat.

When the valve is used, the threaded groove and the inner screw rod form threaded connection, the outer screw rod and the nut form threaded connection, the inner screw rod is screwed into the threaded groove, then the nut is screwed down, the valve body can be fixed together, when the device needs to be disassembled, the nut can be screwed down, then the inner screw rod is screwed down, the valve body is disassembled, the valve plate can seal the valve body, and the valve rod can be grasped to drive the valve plate to rotate.

Further, through holes are formed in the outer side of the flange, are arranged at equal intervals in the outer side of the flange, and can be connected with other pipelines through the flange.

Further, the dismouting structure includes nut, outer screw rod, interior screw rod and screw groove, the screw groove sets up in the both sides of valve body, the inside swing joint in screw groove has interior screw rod, outer screw rod is installed to one side of interior screw rod, can dismantle the installation through nut, outer screw rod, interior screw rod and screw groove cooperation.

Further, external threads are uniformly arranged on the outer side wall of the external screw, internal threads matched with the external threads are uniformly arranged on the inner side wall of the nut, the external screw is in threaded connection with the nut, and the external screw can be screwed into the thread groove.

Furthermore, the inner screw rod and the thread groove form threaded connection, the inner screw rod is distributed in a ring shape, and the valve body can be fixed by screwing the nut.

Further, the relief structure includes cock body, rotatory piece, pressure release pipe and pressure release mouth, the pressure release mouth sets up in the bottom of valve body, the pressure release pipe is installed to the bottom of pressure release mouth, rotatory piece is installed to the bottom of pressure release pipe, and the cock body is installed to the bottom of rotatory piece, opens the cock body and can carry out the pressure release through pressure release pipe and pressure release mouth.

Further, the top of cock body is provided with the fixture block, the bottom of pressure release mouth is provided with the draw-in groove, cock body and pressure release mouth constitute the block structure, and the block structure convenient to detach.

The high-performance sealing fixed ball valve has the advantages that the sealing performance of the valve body can be enhanced through the single piston valve seat and the double piston valve seat, so that the sealing of the ball valve is more stable, when the pressure is overlarge, the plug body can be opened, and the pressure in the valve body is decompressed and discharged through the decompression pipe.

Through installing single piston disk seat in one side of valve plate, single piston disk seat can be fixed on the valve body through the dead lever, and automatic pressure release can be realized to single piston disk seat, and the double piston disk seat of opposite side can realize two-way seal function, and first spring and second spring all have elasticity, and the elasticity of spring lets piston disk seat sealed effect better, and the whole sealed effect of valve body also can be strengthened to inside sealing filler to this reaches the purpose that fixed ball valve is convenient for strengthen the leakproofness.

Through installing the pressure release mouth in the bottom of valve body, screw thread constitutes threaded connection on rotatory piece and the pressure release pipe of cock body bottom, screw up rotatory piece and can drive the cock body and screw up on the pressure release pipe, the cock body can seal pressure release pipe and pressure release mouth, when need carrying out pressure release and blowdown, can screw down the cock body, opens pressure release mouth and pressure release pipe, just can carry out pressure release and blowdown to this reaches the purpose that fixed ball valve is convenient for the pressure release.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic top view of the present utility model;

Fig. 5 is a schematic view of a three-dimensional partial cross-sectional structure of a pressure relief structure according to the present utility model.

The reference numerals in the drawings illustrate 1, a valve rod, 2, a baffle, 3, a valve body, 4, a valve plate, 5, a sealing structure, 501, a single-piston valve seat, 502, a fixed rod, 503, a first spring, 504, a second spring, 505, a double-piston valve seat, 6, a flange, 7, a dismounting structure, 701, a nut, 702, an outer screw, 703, an inner screw, 704, a thread groove, 8, a support leg, 9, a pressure relief structure, 901, a plug body, 902, a rotating block, 903, a pressure relief pipe, 904, a pressure relief opening, 10, a through hole, 11, sealing filler and 12, and a mounting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in one embodiment, the utility model provides a high-performance sealed fixed ball valve, which comprises a valve body 3.

The valve rod 1 is installed on the top of valve body 3, and baffle 2 is installed on the top of valve rod 1, and the internally mounted of valve rod 1 has sealed packing 11, and flange 6 is all installed to the both sides of valve body 3, and the outside of flange 6 is provided with through-hole 10, and through-hole 10 is equidistant the range in the outside of flange 6.

The stabilizer blade 8 is installed to the bottom of valve body 3, and dismouting structure 7 is all installed to the both sides of valve body 3, and dismouting structure 7 includes nut 701, outer screw 702, interior screw 703 and screw groove 704, and screw groove 704 sets up in the both sides of valve body 3, and the inside swing joint of screw groove 704 has interior screw 703, and interior screw 703 and screw groove 704 constitute threaded connection, and interior screw 703 is annular distribution.

An outer screw 702 is arranged on one side of the inner screw 703, outer threads are uniformly arranged on the outer side wall of the outer screw 702, inner threads matched with the outer threads are uniformly arranged on the inner side wall of the nut 701, and the outer screw 702 is in threaded connection with the nut 701.

Referring to fig. 1-2 and fig. 4-5, the thread groove 704 and the inner screw 703 form a threaded connection, the outer screw 702 and the nut 701 form a threaded connection, the inner screw 703 is screwed into the thread groove 704, then the nut 701 is screwed down, the valve body 3 can be fixed together, when the device needs to be disassembled, the nut 701 can be unscrewed, then the inner screw 703 is unscrewed, the valve body 3 is disassembled, the valve plate 4 can seal the valve body 3, and the valve rod 1 can be grasped to drive the valve plate 4 to rotate.

The pressure release structure 9 is installed to the bottom of valve body 3, pressure release structure 9 includes cock body 901, rotatory piece 902, pressure release pipe 903 and pressure release mouth 904, and pressure release mouth 904 sets up in the bottom of valve body 3, and pressure release pipe 903 is installed to the bottom of pressure release mouth 904, and rotatory piece 902 is installed to the bottom of pressure release pipe 903, and cock body 901 is installed to the bottom of rotatory piece 902, and the top of cock body 901 is provided with the fixture block, and the bottom of pressure release mouth 904 is provided with the draw-in groove, and cock body 901 and pressure release mouth 904 constitute the block structure.

Referring to fig. 1 and fig. 4-5, the rotating block 902 at the bottom end of the plug body 901 and the pressure release tube 903 are in threaded connection, the plug body 901 can be driven to be screwed on the pressure release tube 903 by screwing the rotating block 902, the plug body 901 can seal the pressure release tube 903 and the pressure release opening 904, and when pressure release and pollution discharge are needed, the plug body 901 can be unscrewed, and the pressure release opening 904 and the pressure release tube 903 can be opened, so that pressure release and pollution discharge can be performed.

The mounting panel 12 is installed on the top of valve body 3, and valve plate 4 is installed to the internally mounted of valve body 3, and seal structure 5 is installed to the both sides of valve plate 4.

The sealing structure 5 comprises a single-piston valve seat 501, a fixed rod 502, a first spring 503, a second spring 504 and a double-piston valve seat 505, wherein the single-piston valve seat 501 is arranged on one side of the valve plate 4, the fixed rod 502 is arranged on one side of the single-piston valve seat 501, the first spring 503 is arranged on the top end and the bottom end of the single-piston valve seat 501, the double-piston valve seat 505 is arranged on the other side of the valve plate 4, and the second spring 504 is arranged on the top end and the bottom end of the double-piston valve seat 505.

Referring to fig. 1 and 3, the single piston valve seat 501 may be fixed on the valve body 3 by a fixing rod 502, the single piston valve seat 501 may implement automatic pressure relief, the double piston valve seat 505 on the other side may implement bidirectional sealing function, the first spring 503 and the second spring 504 have elasticity, the elasticity of the springs makes the sealing effect of the piston valve seat better, and the sealing filler 11 inside may also enhance the overall sealing effect of the valve body 3.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A high-performance sealing fixed ball valve, which comprises a valve body (3);

The method is characterized in that:

The valve is characterized in that a valve rod (1) is arranged at the top end of the valve body (3), a baffle (2) is arranged at the top end of the valve rod (1), a sealing filler (11) is arranged in the valve rod (1), and flanges (6) are arranged on two sides of the valve body (3);

The valve is characterized in that the bottom end of the valve body (3) is provided with supporting legs (8), the two sides of the valve body (3) are provided with dismounting structures (7), the bottom end of the valve body (3) is provided with a pressure relief structure (9), the top end of the valve body (3) is provided with a mounting plate (12), the valve plate (4) is arranged in the valve body (3), and the two sides of the valve plate (4) are provided with sealing structures (5);

Sealing structure (5) are including single piston disk seat (501), dead lever (502), first spring (503), second spring (504) and double piston disk seat (505), single piston disk seat (501) are installed in one side of valve plate (4), dead lever (502) are installed to one side of single piston disk seat (501), first spring (503) are all installed on top and the bottom of single piston disk seat (501), the opposite side at valve plate (4) is installed to double piston disk seat (505), second spring (504) are all installed on top and the bottom of double piston disk seat (505).

2. The high-performance sealing fixed ball valve according to claim 1, wherein through holes (10) are formed in the outer side of the flange (6), and the through holes (10) are arranged at equal intervals on the outer side of the flange (6).

3. The high-performance sealing fixed ball valve of claim 1, wherein the dismounting structure (7) comprises a nut (701), an outer screw (702), an inner screw (703) and thread grooves (704), the thread grooves (704) are formed in two sides of the valve body (3), the inner screw (703) is movably connected in the thread grooves (704), and the outer screw (702) is arranged on one side of the inner screw (703).

4. The high-performance sealing fixed ball valve of claim 3, wherein external threads are uniformly formed on the outer side wall of the external screw (702), internal threads matched with the external threads are uniformly formed on the inner side wall of the nut (701), and the external screw (702) is in threaded connection with the nut (701).

5. A high performance seal fixed ball valve according to claim 3, wherein said inner screw (703) and thread groove (704) form a threaded connection, said inner screw (703) being annularly distributed.

6. The high-performance sealing fixed ball valve of claim 1, wherein the pressure relief structure (9) comprises a plug body (901), a rotating block (902), a pressure relief pipe (903) and a pressure relief opening (904), the pressure relief opening (904) is arranged at the bottom end of the valve body (3), the pressure relief pipe (903) is arranged at the bottom end of the pressure relief opening (904), the rotating block (902) is arranged at the bottom end of the pressure relief pipe (903), and the plug body (901) is arranged at the bottom end of the rotating block (902).

7. The high-performance sealing fixed ball valve of claim 6, wherein a clamping block is arranged at the top end of the plug body (901), a clamping groove is arranged at the bottom end of the pressure relief opening (904), and the plug body (901) and the pressure relief opening (904) form a clamping structure.