CN216343928U

CN216343928U - Stop valve with filtering function

Info

Publication number: CN216343928U
Application number: CN202122678640.6U
Authority: CN
Inventors: 黄建龙
Original assignee: Ningbo Amico Copper Valves Manufacturing Co Ltd
Current assignee: Ningbo Amico Copper Valves Manufacturing Co Ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-19
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a stop valve with a filtering function, which comprises a valve body, a valve cover, a water through hole, a valve rod, a valve clack, a hand wheel and the like, wherein a filter cartridge is additionally arranged below the water through hole, can be arranged from a bottom hole at the bottom of the valve body, and is sealed in the valve body by a bottom cover which is detachably and hermetically arranged in the bottom hole; meanwhile, the upper end of the filter cartridge is positioned and assembled at the bottom of the limber hole, and the lower end of the filter cartridge is positioned and assembled on the bottom cover; thus, the media is filtered through the cartridge filter and into the through-flow bore. Obviously, the installation or the taking out of the filter cartridge in the valve body can be realized by matching the bottom hole with the bottom cover, the disassembly and assembly process is simple, the filter cartridge is convenient to disassemble, clean, replace and the like from the valve body, and the stop valve has the filtering function; in addition, the upper end and the lower end of the installed filter cartridge are designed to be positioned and assembled, so that the installation positioning reliability of the filter cartridge in the valve body is ensured, and the failure of the filter function caused by the installation displacement of the filter cartridge under the medium pressure scouring is effectively prevented.

Description

Stop valve with filtering function

Technical Field

The utility model relates to a stop valve, in particular to a stop valve with a filtering function.

Background

At present, most stop valve self all does not have filtering capability, often need a filter of installation in addition before the valve, and because of receiving installation space's restriction in narrow and small installation environment, will unable normal installation filter, perhaps extend to spacious department installation filter with the pipeline, this when increasing installation cost, also can lead to whole pipeline structure's unstability to greatly shortened the stop valve and even whole pipeline's life. Certainly, structures for directly arranging filter cartridges in other valves for filtering exist in the market, but due to the fact that the internal structure of the stop valve is different from that of other valves, the problem that installation and positioning cannot be carried out when the stop valve is directly installed in the filter cartridges exists, and installation displacement of the filter cartridges is easy to occur under the flushing of medium pressure, so that the filtering function is failed; meanwhile, the problems of the removal, cleaning, replacement and the like of the filter cartridge from the valve body are also considered, and if the disassembly and assembly process is troublesome, great inconvenience is brought to a user.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the stop valve with the filtering function, which is provided with the filter cylinder, is reliably installed and positioned in the valve body, and is convenient to assemble and disassemble.

The technical problem of the utility model is realized by the following technical scheme:

the utility model provides a take filtering capability's stop valve, includes valve body, valve gap, valve clack, valve rod and hand wheel, is equipped with the limbers that link up from top to bottom in this valve body, and this hand wheel drive valve rod makes the lift activity to the valve clack of drive limbers top seals opens and close the limbers, the limbers below be equipped with the cartridge filter, this cartridge filter is packed into by the bottom hole of valve body bottom to seal in the valve body by removable seal installation bottom in the bottom hole, and cartridge filter upper end location dress in the bottom of limbers, cartridge filter lower extreme location dress in the bottom cover, this medium warp the cartridge filter gets into the limbers.

The bottom surface of the limber hole is provided with a positioning step which circumferentially surrounds the limber hole, and the upper end of the filter cartridge is positioned and assembled in the positioning step.

The outer circumference of the bottom cover is provided with a positioning conical surface which is circumferentially surrounded, and the lower end of the filter cartridge is sleeved outside the bottom cover and is contacted with the positioning conical surface to form positioning assembly.

The limbers and the bottom holes are coaxial holes.

An O-shaped sealing ring is arranged between the bottom cover and the bottom hole.

The valve body top be equipped with seal installation's valve gap, be equipped with in this valve gap and supply valve rod lift activity seal installation's valve rod hole, and valve rod hole and limbers are coaxial hole.

Compared with the prior art, the utility model is mainly characterized in that a filter cartridge is additionally arranged below the water through hole, the filter cartridge can be arranged in a bottom hole at the bottom of the valve body, and then is sealed in the valve body by a bottom cover which is detachably and hermetically arranged in the bottom hole; meanwhile, the upper end of the filter cartridge is positioned and assembled at the bottom of the limber hole, and the lower end of the filter cartridge is positioned and assembled on the bottom cover; thus, the media is filtered through the cartridge filter and into the through-flow bore. Obviously, the installation or the taking out of the filter cartridge in the valve body can be realized by matching the bottom hole with the bottom cover, and the disassembly and assembly process is simple, so that the filter cartridge is greatly convenient to disassemble, clean, replace and the like from the valve body; meanwhile, the stop valve can have a filtering function; in addition, the upper end of the filter cartridge and the lower end of the filter cartridge are designed for positioning and assembling after installation, the installation positioning reliability of the filter cartridge in the valve body is also ensured, and the filtering function failure caused by the installation displacement of the filter cartridge under the medium pressure scouring is effectively prevented.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a schematic structural view of the valve body.

Fig. 3 is a schematic structural view of the bottom cover.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the above drawings.

As shown in fig. 1-3, the valve comprises a valve body 1, a water through hole 11, a valve rod hole 12, a bottom hole 13, a positioning step 14, a valve cover 2, a top cover 3, a hand wheel 4, a filler 5, a valve rod 6, a valve clack 7, an O-shaped sealing ring 8, a bottom cover 9, a positioning conical surface 91, a mounting groove 92 and a filter cartridge 10.

A stop valve with a filtering function is disclosed, as shown in figure 1, and relates to a pipeline valve for stopping a medium, which mainly comprises a valve body 1, a valve cover 2, a valve clack 7, a valve rod 6, a hand wheel 4 and the like, wherein the valve body 1 is formed by hot forging and machining, an upper through hole 11 and a lower through hole 11 are arranged in the valve body 1, the top of the valve body 1 is provided with a valve cover which is screwed by screw threads and is installed in a sealing manner, an upper through valve rod hole 12 and a lower through hole 12 are arranged in the valve cover, and an upper through hole 13 and a lower through hole 13 are arranged at the bottom of the valve body 1, so that the valve rod hole 12, the through hole 11 and the bottom hole 13 are just coaxial holes.

The valve rod 6 is movably arranged in the valve rod hole 12 in a lifting mode, the packing 5 is arranged between the valve rod 6 and the valve rod hole 12 and serves as a dynamic sealing element, and the packing is sealed by the top cover 3 on the top of the valve cover 2.

The lower end of the valve rod 6 is provided with a valve clack 7, the valve clack is positioned above the water through hole 11, and the upper end of the valve rod 6 penetrates out of the top cover 3 to be connected with a hand wheel 4, so that the valve rod 6 can be driven to move up and down by operating the hand wheel to rotate, and the valve clack 7 is driven to open and close the water through hole 11 in a sealing manner.

The water through hole 11 is provided with a filter cartridge 10 below, the filter cartridge is a cylindrical cartridge formed by winding a rectangular filter screen, the filter cartridge 10 can be arranged in the valve body 1 from a bottom hole 13 at the bottom of the valve body, a bottom cover 9 in detachable threaded connection is arranged in the bottom hole 13 to seal the filter cartridge 10 in the valve body 1, the bottom cover 9 is also formed by hot forging and machining, a circle of circumferentially surrounding mounting groove 92 is arranged on the outer circumferential surface of the bottom cover 9, an O-shaped sealing ring 8 can be embedded in the mounting groove to realize the mounting and sealing of the bottom cover 9 in the bottom hole 13, namely, the O-shaped sealing ring 8 is arranged between the bottom cover 9 and the bottom hole 13 to form the mounting and sealing.

Meanwhile, the upper end of the filter cartridge 10 is positioned and assembled at the bottom of the water through hole 11, the lower end of the filter cartridge 10 is positioned and assembled on the bottom cover 9, and the specific structure is as follows: the bottom of the water hole 11 is equipped with the circumference and closes the location step 14 of the water hole, the cartridge filter 10 upper end location fits in this location step 14, and the end, 9 outer peripheral surface is equipped with a round of circumference and surrounds the location conical surface 91, the location conical surface has certain inclined plane actually, after the bottom cover 9 is screwed and installed in the bottom hole 13, the cartridge filter 10 lower extreme can be fitted outside the bottom cover 9 top, and contact with location conical surface 91 and form the location and fit, this location structure can prevent to press the cartridge filter 10 to deform too. Thus, the medium entering from the water inlet of the valve body 1 needs to be filtered by the filter cartridge 10 before entering the water through hole 11.

Obviously, the installation or the taking out of the filter cartridge 10 in the valve body 1 can be realized by matching the bottom hole 13 with the bottom cover 9, the disassembly and assembly process is simple, the filter cartridge 10 is convenient to disassemble, clean, replace and the like from the valve body 1, the stop valve can be provided with a filtering function, and the installation cost is reduced.

In addition, the upper end of the installed filter cartridge 10 and the lower end of the filter cartridge 10 are both designed to be positioned and assembled, so that the installation and positioning reliability of the filter cartridge 10 in the valve body 1 is ensured, and the failure of the filter function caused by the installation displacement of the filter cartridge 10 under the pressure washing of a medium is effectively prevented.

The above description is only a specific embodiment of the present invention, and those skilled in the art should understand that any similar structural design to the embodiment is included in the protection scope of the present invention.

Claims

1. A stop valve with a filtering function comprises a valve body (1), a valve cover (2), a valve clack (7), a valve rod (6) and a hand wheel (4), wherein a water through hole (11) which is communicated up and down is formed in the valve body (1), the hand wheel (4) drives the valve rod (6) to move up and down and drives the valve clack (7) above the water through hole (11) to open and close the water through hole (11) in a sealing mode, the stop valve is characterized in that a filter cartridge (10) is arranged below the water through hole (11), the filter cartridge is installed through a bottom hole (13) in the bottom of the valve body (1) and is sealed in the valve body (1) by a bottom cover (9) which is detachably and hermetically installed in the bottom hole (13), the upper end of the filter cartridge (10) is located and installed at the bottom of the water through hole (11), and the lower end of the filter cartridge (10) is located and installed on the bottom cover (9); a medium enters the valve body (1), and the medium is filtered by the filter cylinder (10) and enters the water through hole (11).

2. A shut-off valve with filtering function according to claim 1, characterized in that the bottom of the water through hole (11) is provided with a positioning step (14) for circumferentially surrounding the water through hole, and the upper end of the filter cartridge (10) is positioned and fitted in the positioning step (14).

3. The stop valve with filtering function as claimed in claim 1, wherein the bottom cap (9) is provided with a circumferentially surrounding positioning conical surface (91) on its outer circumferential surface, and the lower end of the filter cartridge (10) is sleeved outside the bottom cap (9) and contacts with the positioning conical surface (91) to form a positioning fit.

4. A stop valve with filtering function according to claim 1, characterized in that said water passage hole (11) and said bottom hole (13) are coaxial holes.

5. A stop valve with filtering function according to claim 1, characterized in that an O-ring (8) is provided between the bottom cover (9) and the bottom hole (13).

6. The stop valve with the filtering function according to claim 1, characterized in that a valve cover (2) is arranged on the top of the valve body (1) in a sealing manner, a valve rod hole (12) for the lifting movable sealing installation of the valve rod (6) is arranged in the valve cover, and the valve rod hole and the water through hole (11) are coaxial.