CN215806345U

CN215806345U - High-efficient blowdown stop valve

Info

Publication number: CN215806345U
Application number: CN202121922355.8U
Authority: CN
Inventors: 潘春维; 郭智堯
Original assignee: Somas Yancheng Fluid Control Equipment Co ltd
Current assignee: Somas Yancheng Fluid Control Equipment Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-11
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a high-efficiency blowdown stop valve which comprises a valve body, wherein a first flange and a second flange are fixedly mounted on two sides of the valve body respectively, a lower end cover is arranged at the bottom end of the valve body, a valve cover is arranged at the top end of the valve body, a valve rod is clamped inside the top end of the valve cover, a hand wheel is fixedly mounted at the top end of the valve rod, a through hole is fixedly mounted at the bottom end of the valve rod, a sealing sleeve is sleeved on the outer surface of the valve rod, which is positioned above the through hole, a spring is arranged above the sealing sleeve, through holes are formed in the positions, which are positioned on two sides of a valve clack, of the inner wall of the valve body, and a filter pipe is clamped on the inner wall of the second flange. According to the filter screen, the filter screen can be flexibly fixed or replaced by arranging the filter pipe, the filter pipe is prevented from being inconvenient to disassemble due to blockage of large granular substances by arranging the notch and the cross-shaped fixing rod, and the filter screen is regularly maintained and replaced according to the use frequency, so that the service life of equipment is prolonged.

Description

High-efficient blowdown stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a high-efficiency pollution discharge stop valve.

Background

At present, the domestic sewage stop valve is one of important devices for controlling the sewage discharge amount of a boiler, a pressure container or other containers, and is widely applied to thermodynamic systems of power stations, chemical engineering, metallurgy and the like. Be used for periodic blowdown and continuous blowdown governing valve, current blowdown stop valve in case the large granule obstacle appears in the sewage, can block up the stop valve, influences blowdown efficiency. A blowdown shut-off valve is now disclosed in CN 201820277513.0: "a blowdown stop valve, including the valve body, and set up on the valve body, and with valve body threaded connection's valve gap, be provided with the valve rod in the valve gap, valve body one side is the end of intaking, and the other end is for going out the water end, it is preferred to be provided with filter … … in the end of intaking, be provided with the seal cover between valve gap and the valve rod. "

However, the publication No. CN209654637U discloses a blowdown stop valve, in which the blowdown effect is mainly filtered by a filter plate and a blocking plate and blowdown is performed by a through hole, but the filter plate is still easily blocked after long-term use, so that it is inconvenient to replace, and the through hole easily causes sewage overflow; therefore, the existing requirements are not met, and an efficient blowdown stop valve is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency sewage stop valve, which aims to solve the problems that the sewage stop valve is provided in the publication with the publication number of CN209654637U in the background art, the sewage discharge effect is mainly filtered through a filter plate and a barrier plate, the sewage is discharged through holes, but the filter plate is still easy to block after long-term use, the filter plate is inconvenient to replace, the through holes easily cause sewage overflow and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high-efficient blowdown stop valve, includes the valve body, the both sides of valve body fixed mounting respectively have flange one and flange two, the bottom of valve body is provided with the lower end cover, the top of valve body is provided with the valve gap, the inside card on valve gap top has the valve rod, the top fixed mounting of valve rod has the hand wheel, the bottom fixed mounting of valve rod has the through-hole, the seal cover has been cup jointed to the surface that the valve rod is located the through-hole top, the top of seal cover is provided with the spring, the position that the valve body inner wall is located the valve clack both sides all is provided with the through-hole, the inner wall card of flange two has the filter tube, the outer border of filter tube is provided with two openings, the inner wall fixed mounting of filter tube has the cross dead lever, the rear end face fixed mounting of filter tube has the filter screen.

Preferably, the valve body is fixedly connected with the valve cover through a bolt, and the valve body is fixedly connected with the sealing sleeve through a bolt.

Preferably, the outer surface of the valve rod close to the top end is provided with threads, and the valve rod is fixedly connected with the hand wheel through welding.

Preferably, the outer surface of the filter pipe is provided with threads, and the outer surface of the filter pipe is attached to the inner wall of the second flange.

Preferably, the top end of the spring is provided with a push plate, and the push plate is fixedly arranged on the outer surface of the valve rod.

Preferably, the bottom end of the valve rod is fixedly connected with the valve clack through a threaded column.

Compared with the prior art, the utility model has the beneficial effects that: this high-efficient blowdown stop valve through setting up the filter tube, makes fixing or changing that the filter screen can be nimble, through setting up opening and cross dead lever, avoids because the removal that large granule material blockked up to cause the filter tube is inconvenient, carries out periodic maintenance and changes the filter screen according to the frequency of use to the life of extension equipment.

Drawings

FIG. 1 is a schematic structural view of the overall front face of the present invention;

FIG. 2 is a schematic structural view of an integral side of the present invention;

FIG. 3 is a schematic view of the overall internal structure of the present invention;

fig. 4 is a schematic structural view of a filter tube according to the present invention.

In the figure: 1. a valve body; 2. a first flange; 3. a valve cover; 4. a hand wheel; 5. a valve stem; 6. sealing sleeves; 7. a spring; 8. a valve flap; 9. a through hole; 10. a filter tube; 11. filtering with a screen; 12. opening the gap; 13. a cross-shaped fixing rod; 14. a lower end cover; 15. and a second flange.

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 high-efficient blowdown stop valve, including valve body 1, the both sides of valve body 1 fixed mounting respectively have flange one 2 and flange two 15, the bottom of valve body 1 is provided with lower end cover 14, the top of valve body 1 is provided with valve gap 3, the inside card on 3 tops of valve gap has valve rod 5, the top fixed mounting of valve rod 5 has hand wheel 4, the bottom fixed mounting of valve rod 5 has through-hole 9, seal cover 6 has been cup jointed to the surface that valve rod 5 is located the through-hole 9 top, the top of seal cover 6 is provided with spring 7, the position that the 1 inner wall of valve body is located 8 both sides of valve clack all is provided with through-hole 9, the inner wall card of flange two 15 has filter tube 10, the outer border of filter tube 10 is provided with two openings 12, the inner wall fixed mounting of filter tube 10 has cross dead lever 13, the rear end face fixed mounting of filter tube 10 has filter screen 11.

In the utility model: the valve body 1 is fixedly connected with the valve cover 3 through a bolt, and the valve body 1 is fixedly connected with the sealing sleeve 6 through a bolt.

In the utility model: the outer surface of the valve rod 5 close to the top end is provided with threads, and the valve rod 5 is fixedly connected with the hand wheel 4 through welding.

In the utility model: the outer surface of the filter pipe 10 is provided with threads, and the outer surface of the filter pipe 10 is attached to the inner wall of the second flange 15, so that the filter pipe 10 can be conveniently fixed in the inner wall of the second flange 15 through rotation.

In the utility model: the top of spring 7 is provided with the push pedal, and push pedal fixed mounting is on the surface of valve rod 5 to it is more stable to make valve clack 8 go up and down.

In the utility model: the bottom end of the valve rod 5 is fixedly connected with the valve clack 8 through a threaded column.

The working principle is as follows: during the use, through 4 pulling valve rods 5 of hand wheel, valve rod 5 drives valve clack 8 rebound, and sewage gets into the inside of valve body 1 from one side of flange two 15, if there is large granule material, filter screen 11 can block large granule material well, and sewage is discharged from one side of flange one 2, after a period of use, demolishs the change through opening 12 or cross dead lever 13 with filter tube 10 from the inside of flange two 15 to can prolong the life of equipment.

In summary, the following steps: through setting up filter tube 10, make fixing or changing that filter screen 11 can be nimble, through setting up opening 12 and cross dead lever 13, avoid because the blockage of large granule material causes filter tube 10's dismantlement inconvenient, carry out regular maintenance and change filter screen 11 according to the frequency of use to the life of extension equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 high-efficient blowdown stop valve, includes valve body (1), its characterized in that: a first flange (2) and a second flange (15) are fixedly mounted on two sides of the valve body (1) respectively, a lower end cover (14) is arranged at the bottom end of the valve body (1), a valve cover (3) is arranged at the top end of the valve body (1), a valve rod (5) is clamped inside the top end of the valve cover (3), a hand wheel (4) is fixedly mounted at the top end of the valve rod (5), a through hole (9) is fixedly mounted at the bottom end of the valve rod (5), a sealing sleeve (6) is sleeved on the outer surface, located above the through hole (9), of the valve rod (5), a spring (7) is arranged above the sealing sleeve (6), through holes (9) are formed in positions, located on two sides of a valve clack (8), of the inner wall of the valve body (1), a filter pipe (10) is clamped on the inner wall of the second flange (15), two notches (12) are formed in the outer edge of the filter pipe (10), and a cross-shaped fixing rod (13) is fixedly mounted on the inner wall of the filter pipe (10), the rear end face of the filter pipe (10) is fixedly provided with a filter screen (11).

2. An efficient blowdown shut-off valve as defined in claim 1, wherein: the valve body (1) is fixedly connected with the valve cover (3) through bolts, and the valve body (1) is fixedly connected with the sealing sleeve (6) through bolts.

3. An efficient blowdown shut-off valve as defined in claim 1, wherein: the outer surface of the valve rod (5) close to the top end is provided with threads, and the valve rod (5) is fixedly connected with the hand wheel (4) through welding.

4. An efficient blowdown shut-off valve as defined in claim 1, wherein: the outer surface of the filter pipe (10) is provided with threads, and the outer surface of the filter pipe (10) is attached to the inner wall of the second flange (15).

5. An efficient blowdown shut-off valve as defined in claim 1, wherein: the top end of the spring (7) is provided with a push plate, and the push plate is fixedly arranged on the outer surface of the valve rod (5).

6. An efficient blowdown shut-off valve as defined in claim 1, wherein: the bottom end of the valve rod (5) is fixedly connected with the valve clack (8) through a threaded column.