CN216344049U

CN216344049U - High-pressure filtering type integrated ball valve

Info

Publication number: CN216344049U
Application number: CN202122826159.7U
Authority: CN
Inventors: 刘国联
Original assignee: Yancheng Fuye Hydraulic Parts Co ltd
Current assignee: Yancheng Fuye Hydraulic Parts Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-19
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to a high-pressure filtering type integrated ball valve, which comprises a valve body, wherein a ball body is arranged in the valve body through a sealing valve seat, a sealing gasket is attached to the inner wall of the top end of the valve body at the top end of the ball body, the top end of the ball body extends to the outer side of the top of the valve body, a valve rod is arranged between the top end of the valve body and the valve rod, a liquid inlet pipe and a liquid outlet pipe are arranged on the valve body, a filtering structure is arranged on the liquid inlet pipe and comprises a filtering pipe connected with the liquid inlet pipe, a slag containing pipe and an installation pipe are integrally arranged at the bottom end of the filtering pipe, a sealing plug is arranged in the installation pipe, a filtering net is arranged at the top end of the sealing plug, the top end of the filtering net is connected with the inner wall of the filtering pipe, an installation and fixing structure is arranged at the bottom of the sealing plug and is detachably connected with the installation pipe, through having increased filtering capability, and filtration is convenient for ann changes and dismantles, and is clean convenient.

Description

High-pressure filtering type integrated ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a high-pressure filtering type integrated ball valve.

Background

The ball valve is a valve whose opening and closing member is driven by valve rod and can make rotary motion around the axis of ball valve. The ball valve convenient for changing the filler comprises a ball valve base, one end of the ball valve base is provided with a ball valve cover, a channel is arranged inside the ball valve base, one end of the top of the ball valve base, which is close to the ball valve cover, is provided with a cylinder, a valve rod penetrates through the cylinder along the axial direction, a movable plate is sleeved on a rod body of the valve rod, which is positioned inside the cylinder, through the arrangement of the movable plate, a positioning rod, a positioning through hole, a spring and a fixed end cover, the fixed end cover is detached from the cylinder, and the spring can jack the movable plate, so that old filler can be conveniently taken out of the cylinder, new filler can be changed, and the workload of workers for changing the filler is reduced, secondly, through the setting of hand lever, standing groove, sliding tray, spliced pole, valve rod and splint, avoided people to touch the hand lever in careless time, avoid the valve rod to rotate the operating condition who changes the ball valve, avoided unexpected emergence, but this kind of ball valve is relatively poor in the seal reliability under high pressure operating mode condition, and is not high pressure resistant, and when carrying impurity's the condition in the face of the medium fluid, can not filter the medium, leads to the valve body to block up easily, and influences the processing of next operating mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-pressure filtering type integrated ball valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-pressure filtering type integrated ball valve comprises a valve body, wherein a sealing valve seat is arranged in the valve body, a ball body is arranged in the sealing valve seat, a sealing gasket is arranged at the top end of the ball body, the sealing gasket is attached to the inner wall of the top end of the valve body, a valve rod is arranged at the top end of the ball body, the valve rod extends upwards to the outer side of the top end of the valve body, a sealing assembly is arranged between the top end of the valve body and the valve rod, a liquid inlet pipe and a liquid outlet pipe are arranged on the valve body, a filtering structure is arranged on the liquid inlet pipe and comprises a filtering pipe connected with the liquid inlet pipe, a slag containing pipe is arranged at the bottom end of the filtering pipe, an installation pipe is integrally arranged at the bottom end of the slag containing pipe, a sealing plug is arranged in the installation pipe, a filtering net is arranged at the top end of the sealing plug, the top end of the filtering net is connected with the inner wall of the filtering pipe, and an installation and fixing structure is arranged at the bottom of the sealing plug, the installation fixing structure is detachably connected with the installation pipe.

As a further scheme of the utility model: the installation fixed knot constructs including the connecting rod, the top of connecting rod is passed through the bearing and is connected with the sealing plug bottom rotation, the bottom of connecting rod is provided with sealed lid, screw-thread fit between sealed lid and the installation pipe realizes the fixed of sealing plug position through the threaded connection between sealed lid and the installation pipe, the dismantlement of the sealing plug of being convenient for simultaneously to realize the fixed of filter screen and convenient to detach.

As a further scheme of the utility model: the filter screen is characterized in that a limiting block is arranged inside the filter pipe, a limiting groove is formed in the limiting block, the limiting groove is matched with the filter screen, rapid positioning during installation of the filter screen is achieved, and installation stability of the filter screen is enhanced.

As a still further scheme of the utility model: the filter is characterized in that connecting flanges are arranged at two ends of the filter pipe, fixing flanges are arranged at the liquid inlet pipe and the liquid outlet pipe, and a sealing connecting piece is arranged between each fixing flange and the corresponding connecting flange, so that the filter pipe and the liquid inlet pipe are fixedly connected.

As a still further scheme of the utility model: the sealing connecting piece comprises a sealing gasket ring positioned between a connecting flange and a fixing flange, wherein sealing lantern rings are arranged at two ends of the sealing gasket ring, and the sealing lantern rings stretch into the liquid inlet pipe and the inside of the filter pipe to enhance the connection sealing performance between the filter pipe and the liquid inlet pipe.

As a still further scheme of the utility model: the sealing assembly comprises a sealing cavity arranged at the top end of the valve body, the valve rod is located in the sealing cavity, sealing filler is arranged between the valve rod and the inner wall of the sealing cavity, a valve cover is arranged at the top end of the sealing filler, and the valve rod and the valve body are fixed through bolts to enhance the sealing performance between the valve rod and the valve body.

As a still further scheme of the utility model: an O-shaped sealing ring is arranged between the valve seat and the valve body, and the pressure resistance of the ball body in the valve body is enhanced through the matching of the O-shaped sealing ring and the valve seat, so that the stability under high pressure is ensured.

As a still further scheme of the utility model: the top end of the valve rod is provided with a rotating handle, so that the valve rod can be conveniently adjusted.

Compared with the prior art, the utility model has the advantages that:

the valve seat adopts the enhanced PPL synthetic sealing material, and is combined with the O-shaped sealing ring, so that the sealing performance of the ball valve under the high-pressure working condition is ensured, the sealing reliability is enhanced, the service life is long, the fluid resistance is small, the opening and closing are rapid and convenient, and the ball valve completes the full opening or full closing action as long as the valve rod rotates by 90 degrees, thereby realizing the rapid opening and closing.

In addition, the filter pipe is arranged at one end of the liquid inlet pipe of the valve body, and the filter screen is detachably arranged in the filter pipe, so that a medium entering the valve body can be filtered, and the valve body and the ball body are prevented from being blocked or impurities enter a downward moving working condition to influence production and processing.

When the ball valve is used, a circulating medium firstly enters the filter pipe, impurities in the medium are intercepted under the action of a filter screen in the filter pipe, the intercepted impurities fall into the slag containing pipe for storage under the action of self gravity, then the filtered medium enters the liquid inlet pipe and reaches the liquid outlet pipe through the ball body to realize medium conveying, the valve seat adopts reinforced PPL (polypropylene random copolymer) synthesized sealing material and is combined with an O-shaped sealing ring at the same time to ensure the sealing performance of the ball valve under the condition of high-pressure working condition and enhance the sealing reliability, when the filter screen needs to be cleaned, the sealing cover is screwed to be separated from the mounting pipe, then the sealing cover is pulled downwards to drive the connecting rod to move downwards, the connecting rod drives the sealing plug to descend, the sealing plug drives the filter screen to descend, and then the impurities in the slag pipe can be discharged through the mounting pipe under the action of self gravity, meanwhile, the filter screen can be cleaned, and the operation is simple and convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-pressure filtering type integrated ball valve according to the present invention;

FIG. 2 is a cross-sectional view of the overall internal structure of the present invention;

fig. 3 is an exploded view of the connection structure between the filter tube, the valve body, the filter screen, and the gasket ring and the sealing collar of the present invention.

In the figure: 1. a valve body; 2. sealing the valve seat; 3. a sphere; 4. sealing gaskets; 5. a valve stem; 6. a liquid inlet pipe; 7. a liquid outlet pipe; 8. a filter tube; 9. a slag containing pipe; 10. installing a pipe; 11. a sealing plug; 12. a filter screen; 13. a connecting rod; 14. a sealing cover; 15. a limiting block; 16. a limiting groove; 17. a connecting flange; 18. a fixed flange; 19. a sealing gasket ring; 20. a sealing collar; 21. sealing the cavity; 22. sealing and filling; 23. a valve cover; 24. an O-shaped sealing ring; 25. the handle is rotated.

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.

Example 1:

referring to fig. 1 to 3, in the embodiment of the present invention:

a high-pressure filtering type integrated ball valve comprises a valve body 1, a sealing valve seat 2 is arranged in the valve body 1, the valve seat adopts reinforced PPL (polypropylene random copolymer) synthetic sealing material, a ball body 3 is arranged in the sealing valve seat 2, a sealing gasket 4 is arranged at the top end of the ball body 3, the sealing gasket 4 is attached to the inner wall of the top end of the valve body 1, a valve rod 5 is arranged at the top end of the ball body 3, the valve rod 5 extends upwards to the outer side of the top end of the valve body 1, a sealing assembly is arranged between the top end of the valve body 1 and the valve rod 5, a liquid inlet pipe 6 and a liquid outlet pipe 7 are arranged on the valve body 1, a filtering structure is arranged on the liquid inlet pipe 6, the filtering structure comprises a filtering pipe 8 connected with the liquid inlet pipe 6, a slag containing pipe 9 is arranged at the bottom end of the filtering pipe 8, an installation pipe 10 is integrally arranged at the bottom end of the slag containing pipe 9, a sealing plug 11 is arranged in the installation pipe 10, a filtering net 12 is arranged at the top end of the sealing plug 11, and the top end of the filtering net 12 is connected with the inner wall of the filtering pipe 8, the bottom of the sealing plug 11 is provided with a mounting and fixing structure, and the mounting and fixing structure is detachably connected with the mounting pipe 10.

Referring to fig. 2 and 3, in an embodiment of the present invention: the installation fixed knot constructs including connecting rod 13, the top of connecting rod 13 is passed through the bearing and is connected with sealing plug 11 bottom rotation, the bottom of connecting rod 13 is provided with sealed lid 14, screw-thread fit between sealed lid 14 and the installation pipe 10, be convenient for sealed lid 14's dismantlement through the screw-thread fit between sealed lid 14 and the installation pipe 10, be connected between sealed lid 14 and the sealing plug 11 through connecting rod 13, realize sealing plug 11's dismantlement through dismantling sealed lid 14, thereby pull out filter screen 12 from filter tube 8.

Referring to fig. 2, in an embodiment of the present invention: the inside of filter tube 8 is provided with stopper 15, has seted up spacing groove 16 on the stopper 15, and spacing groove 16 matches with filter screen 12, spacing and fixed when being convenient for filter screen 12 to install increase installation accuracy and stability.

Referring to fig. 2 and 3, in an embodiment of the present invention: the both ends of filter tube 8 are provided with flange 17, feed liquor pipe 6 and drain pipe 7 department are provided with mounting flange 18, be provided with sealing connecting piece between mounting flange 18 and the flange 17, sealing connecting piece is including the sealing backing ring 19 that is located between flange 17 and the mounting flange 18, the both ends of sealing backing ring 19 are provided with sealing lantern ring 20, sealing lantern ring 20 stretches into inside feed liquor pipe 6 and the filter tube 8, sealing performance when connecting between filter tube 8 and the feed liquor pipe 6 can be strengthened, strengthen holistic sealed effect, prevent to produce the weeping under the high pressure.

Referring to fig. 2, in an embodiment of the present invention: the sealing assembly comprises a sealing cavity 21 arranged on the top end of the valve body 1, the valve rod 5 is positioned in the sealing cavity 21, sealing filler 22 is arranged between the valve rod 5 and the inner wall of the sealing cavity 21, a valve cover 23 is arranged on the top end of the sealing filler 22, the valve rod 5 and the valve body 1 are fixed through bolts, the sealing performance between the valve rod 5 and the valve body 1 can be enhanced through the sealing filler 22, the valve cover 23 is fixedly connected with the valve body 1 through bolts, and the sealing filler 22 is convenient to replace.

Referring to fig. 2, in an embodiment of the present invention: an O-shaped sealing ring 24 is arranged between the valve seat and the valve body 1, and the O-shaped ring is matched with the valve seat adopting a reinforced PPL synthetic sealing material, so that the stability of the ball body 3 in the valve body 1 is enhanced, and the pressure resistance is improved.

Referring to fig. 1, in an embodiment of the present invention: the top of valve rod 5 is provided with rotates handle 25, drives valve rod 5 through rotating handle 25 and rotates, realizes spheroid 3's rotation regulation to realize opening of spheroid 3 and scrape and close.

Example 2:

referring to fig. 1-3, the utility model relates to a high pressure filtering type integrated ball valve, when in use, the ball valve is connected with an external medium conveying pipeline through a connecting flange 17 and a fixed flange 18, a handle is screwed, so that a through hole on a ball body 3 is communicated with a liquid inlet pipe 6 on a valve body 1, a circulating medium firstly enters a filter pipe 8, impurities in the medium are intercepted under the action of a filter screen 12 in the filter pipe 8, the intercepted impurities fall into a slag containing pipe 9 under the action of self gravity for storage, then the filtered medium enters the liquid inlet pipe 6 and reaches a liquid outlet pipe 7 through the ball body 3 for medium conveying, a valve seat adopts reinforced PPL synthetic sealing material and is combined with an O-shaped sealing ring 24, the sealing performance of the ball valve under the condition of high pressure is ensured, the sealing reliability is enhanced, when the filter screen 12 needs to be cleaned, screwing the sealing cover 14 to separate the sealing cover 14 from the mounting pipe 10, and then pulling the sealing cover 14 downwards to enable the sealing cover 14 to drive the connecting rod 13 to move downwards, the connecting rod 13 drives the sealing plug 11 to descend, the sealing plug 11 drives the filter screen 12 to descend, so that the filter screen 12 moves out of the mounting pipe 10, at the moment, impurities in the slag pipe can be discharged through the mounting pipe 10 under the action of self gravity, meanwhile, the filter screen 12 can be cleaned, the filter screen 12 and the sealing plug 11 can be fixedly connected in a bolt fixing mode, and therefore the filter screen 12 can be conveniently replaced.

Example 3:

referring to fig. 1-3, on the basis of embodiment 2, the top end of the valve body 1 is provided with a sealing cavity 21, a sealing filler 22 is arranged between the valve rod 5 and the inner wall of the sealing cavity 21, the top end of the sealing filler 22 is provided with a valve cover 23, the valve rod 5 and the valve body 1 are fixed through bolts, so that the sealing property between the valve rod 5 and the valve body 1 can be enhanced, meanwhile, the replacement of the sealing filler 22 is convenient, and meanwhile, the connecting flanges 17 are arranged at the two ends of the filter pipe 8, a fixed flange 18 is arranged at the liquid inlet pipe 6 and the liquid outlet pipe 7, a gasket ring 19 is sealed between the fixed flange 18 and the connecting flange 17, two ends of the gasket ring 19 are provided with sealing lantern rings 20, the sealing lantern rings 20 extend into the liquid inlet pipe 6 and the filter pipe 8, sealing performance when connecting between 8 and the feed liquor pipe 6 of filter tube can be strengthened, holistic sealed effect is strengthened, produces the weeping under preventing the high pressure.

In all the above-mentioned embodiments, the connection between the two components may be selected from welding, matching connection of bolt and nut, bolt or screw connection, or other known connection methods according to practical situations, which are not described herein in detail, and the above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and equivalent substitutions or changes can be made according to the technical solution of the present invention and the practical idea thereof, and all the modifications and changes are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides an integrated ball valve of high pressure filtration formula, includes valve body (1), be provided with sealed disk seat (2) in valve body (1), be provided with spheroid (3) in sealed disk seat (2), its characterized in that: the top end of the ball body (3) is provided with a sealing gasket (4), the sealing gasket (4) is attached to the inner wall of the top end of the valve body (1), the top end of the ball body (3) is provided with a valve rod (5), the valve rod (5) upwards extends to the outer side of the top end of the valve body (1), a sealing assembly is arranged between the top end of the valve body (1) and the valve rod (5), the valve body (1) is provided with a liquid inlet pipe (6) and a liquid outlet pipe (7), the liquid inlet pipe (6) is provided with a filtering structure, the filtering structure comprises a filtering pipe (8) connected with the liquid inlet pipe (6), the bottom end of the filtering pipe (8) is provided with a slag containing pipe (9), the bottom end of the slag containing pipe (9) is integrally provided with a mounting pipe (10), a sealing plug (11) is arranged in the mounting pipe (10), the top end of the sealing plug (11) is provided with a filtering net (12), the top of filter screen (12) and the inner wall connection of filter tube (8), the bottom of sealing plug (11) is provided with installation fixed knot and constructs, can dismantle between installation fixed knot and the installation pipe (10) and be connected.

2. A high pressure filtering integrated ball valve according to claim 1, wherein: the mounting and fixing structure comprises a connecting rod (13), the top end of the connecting rod (13) is rotatably connected with the bottom of the sealing plug (11) through a bearing, a sealing cover (14) is arranged at the bottom of the connecting rod (13), and the sealing cover (14) is in threaded fit with the mounting pipe (10).

3. A high pressure filtering integrated ball valve according to claim 1, wherein: the filter screen is characterized in that a limiting block (15) is arranged inside the filter pipe (8), a limiting groove (16) is formed in the limiting block (15), and the limiting groove (16) is matched with the filter screen (12).

4. A high pressure filtering integrated ball valve according to claim 1, wherein: the filter is characterized in that connecting flanges (17) are arranged at two ends of the filter pipe (8), fixing flanges (18) are arranged at the liquid inlet pipe (6) and the liquid outlet pipe (7), and a sealing connecting piece is arranged between the fixing flanges (18) and the connecting flanges (17).

5. A high pressure filtering integrated ball valve according to claim 4, wherein: the sealing connecting piece comprises a sealing gasket ring (19) positioned between a connecting flange (17) and a fixing flange (18), sealing lantern rings (20) are arranged at two ends of the sealing gasket ring (19), and the sealing lantern rings (20) stretch into the liquid inlet pipe (6) and the filter pipe (8).

6. A high pressure filtering integrated ball valve according to claim 1, wherein: the sealing assembly comprises a sealing cavity (21) formed in the top end of the valve body (1), the valve rod (5) is located in the sealing cavity (21), a sealing filler (22) is arranged between the valve rod (5) and the inner wall of the sealing cavity (21), a valve cover (23) is arranged on the top end of the sealing filler (22), and the valve rod (5) and the valve body (1) are fixed through bolts.

7. A high pressure filtering integrated ball valve according to claim 1, wherein: an O-shaped sealing ring (24) is arranged between the valve seat and the valve body (1).

8. A high pressure filtering integrated ball valve according to claim 1, wherein: the top end of the valve rod (5) is provided with a rotating handle (25).