CN218347966U

CN218347966U - Filtering and sewage draining gate valve

Info

Publication number: CN218347966U
Application number: CN202221008453.5U
Authority: CN
Inventors: 蔡小飞; 严荣杰; 祝文耀; 陈飞雷
Original assignee: Ningbo Jklong Precision Work Co ltd
Current assignee: Ningbo Jklong Precision Work Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2023-01-20
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a filter blowdown gate valve, including the valve body and be used for with water route shutoff complex flashboard in the valve body, the bottom of valve body has first drain, the valve body is located first drain department detachably installs the filter screen and fixes the valve gap group of filter screen, the valve gap is organized and is equipped with sewage discharging mechanism, the bottom of valve gap group is equipped with the second drain, sewage discharging mechanism with second drain shutoff cooperation. The utility model discloses have filtration, online blowdown function, blowdown easy operation, efficient protect the sealed face of gate valve simultaneously, extension gate valve life.

Description

Filtering and sewage draining gate valve

Technical Field

The utility model relates to a technical field of gate valve especially relates to a filtering and sewage discharging gate valve.

Background

Under the general condition, a filter can be connected in series in front of the gate valve to filter out particle impurities in a water supply pipeline, so that the harm to the body of a user is reduced, and various water-consuming appliances are protected. However, the conventional filter cannot be cleaned on line, needs professional personnel to operate, is complex in cleaning process, and is difficult to clean and discharge periodically. Pile up the impurity of in the filter and easily block up the filter screen on the one hand, exert an influence to water pressure, on the other hand, impurity is not clear away for a long time, wears the filter screen under the scouring action of rivers, seriously influences the filter effect, and impurity that mix with in aqueous simultaneously can erode flashboard, the disk seat surface of installing the gate valve behind the filter, destroys sealed face, influences the gate valve leakproofness, shortens gate valve life etc..

Disclosure of Invention

Aiming at the problems of the existing gate valve, the filtering and sewage draining gate valve which is simple in structure and has the functions of filtering, draining and protecting the gate valve is provided.

The specific technical scheme is as follows:

the utility model provides a filter blowdown gate valve, including the valve body and be used for with water route shutoff complex flashboard in the valve body, the bottom of valve body has first drain, the valve body is located first drain department detachably installs the filter screen and fixes the valve gap group of filter screen, the valve gap is organized and is equipped with sewage discharging mechanism, the bottom of valve gap group is equipped with the second drain, sewage discharging mechanism with second drain shutoff cooperation.

As a further improvement and optimization of the scheme, the valve body is provided with an inlet and an outlet, the flashboard is arranged between the inlet and the outlet, and the first drain outlet is arranged between the flashboard and the inlet.

As a further improvement and optimization of the present solution, the sewage discharge mechanism includes:

the blowdown bracket is provided with at least one through hole, and impurities on the filter screen can flow into the valve cover group through the through hole;

and the sewage discharging assembly is matched with the second sewage discharging port in a plugging manner.

As a further improvement and optimization of the present solution, the blowdown assembly comprises:

the blowdown valve rod is slidably mounted on the blowdown bracket, and the bottom of the blowdown valve rod extends into the second blowdown port;

the sewage valve clack is fixed outside the sewage valve rod and is in plugging fit with the second sewage outlet;

the reset spring is sleeved outside the sewage discharge valve rod, one end of the reset spring is abutted against the sewage discharge valve clack, and the other end of the reset spring is abutted against the sewage discharge support.

As the further improvement and optimization of the scheme, the valve cover group comprises a first valve cover and a second valve cover, the first valve cover is detachably installed at the first sewage discharge port, a precipitation tank is arranged in the first valve cover, the second sewage discharge port is arranged at the bottom of the first valve cover and communicated with the precipitation tank, and the second valve cover is detachably installed at the second sewage discharge port.

As further improvement and optimization of the scheme, a precipitation tank communicated with the second sewage draining port is arranged in the first valve cover, the sewage draining support is arranged in the precipitation tank and is of a cylindrical structure with an open lower end, the bottom of the sewage draining support is abutted to the bottom of the precipitation tank, the through hole is formed in the top of the sewage draining support, and the sewage draining valve rod is slidably arranged at the top of the sewage draining support.

As a further improvement and optimization of the scheme, the filter screen is of a cylindrical structure with an opening at the bottom, and the side wall of the filter screen is provided with a filter opening facing the inlet.

As a further improvement and optimization of the scheme, the top of the filter screen is provided with two limiting columns, the top of the filter cavity is provided with two limiting grooves, the two limiting columns are respectively in limiting fit with the two limiting grooves, and the bottom of the filter screen is abutted to the first valve cover.

As a further improvement and optimization of the scheme, the sewage discharge valve clack is of a hemispherical structure and is coaxially fixed outside the sewage discharge valve rod, and the cambered surface of the sewage discharge valve clack is abutted to the second sewage discharge port.

As the further improvement and optimization of this scheme, still include brake lever and hand wheel, the brake lever screw thread is installed on the valve body, the one end of valve rod extends to in the valve body and with the flashboard is fixed, the other end of valve rod is located the outside of valve body and with the hand wheel is fixed.

Compared with the prior art, the technical scheme has the positive effects that:

(1) The utility model discloses have filtration, blowdown function, water purification, the sealed face of protection gate valve, extension gate valve life.

(2) The utility model discloses only need upwards jack-up blowdown valve rod during the blowdown to make blowdown valve clack compression reset spring remove the shutoff to the second drain, impurity in the precipitation tank is discharged by the second drain, can realize online blowdown at any time, need not block the medium, non professional also is operable, easy operation, efficient.

(3) The utility model discloses regularly take out the washing to the filter screen when, dismantle first valve gap by the valve body on, can take out the filter screen by first drain outlet, improved the cleaning efficiency to the filter screen.

(4) The utility model discloses the blowdown valve clack adopts half spherical structure, increases the area of contact to the second drain, improves the shutoff effect to the second drain.

(5) The utility model discloses the filterable impurity of filter screen is concentrated and is collected in the precipitation tank, has avoided impurity to float under the flow of medium, has reduced filter screen blocking phenomenon, influences the filter effect.

Drawings

FIG. 1 is a schematic view of a structure of a filtering and sewage discharge gate valve of the present invention;

fig. 2 is a schematic structural view of a filter screen of the filtering blowdown gate valve of the present invention;

FIG. 3 is a top view of a sewage support of the filtering sewage gate valve of the present invention;

in the drawings: 1. a valve body; 2. a filter screen; 3. a sewage valve clack; 4. a blowdown bracket; 5. a blowdown valve rod; 6. a return spring; 7. a first valve cover; 8. a second valve cover; 9. sealing gaskets; 10. a first drain port; 11. a second sewage draining exit; 12. an inlet; 13. an outlet; 14. a brake lever; 15. a hand wheel; 21. a filter port; 22. a limiting column; 41. a through hole; 51. a sewage draining mechanism; 52. and a valve cover group.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are not intended to limit the present invention.

Fig. 1 is the utility model relates to a filter blowdown gate valve's structural schematic diagram, fig. 2 is the utility model relates to a filter blowdown gate valve's filter screen's structural schematic diagram, fig. 3 is the utility model relates to a filter blowdown gate valve's blowdown support's plan view, as shown in fig. 1-3, shown a filter blowdown gate valve of preferred embodiment, including valve body 1 and be used for with valve body 1 in water route shutoff complex flashboard, valve body 1's bottom has first drain 10, valve body 1 is located first drain 10 department detachably and installs filter screen 2 and fixed filter screen 2's valve gap group 52, is equipped with blowdown mechanism 51 in the valve gap group 52, and the bottom of valve gap group 52 is equipped with second drain 11, blowdown mechanism 51 and the cooperation of the 11 shutoff of second drain.

Further, as a preferred embodiment, the valve body 1 has an inlet 12 and an outlet 13, the shutter is disposed between the inlet 12 and the outlet 13, and the first drain 10 is disposed between the shutter and the inlet 12.

Further, as a preferred embodiment, the drainage mechanism 51 includes a drainage bracket 4 and a drainage assembly 51, the drainage bracket 4 has at least one through opening, the through opening allows impurities on the filter screen 2 to flow into the valve cover set 52, and the drainage assembly is in sealing fit with the second drainage port 11.

Further, as an embodiment of a preferred, blowdown subassembly 51 includes blowdown valve rod 5, reset spring 6 and blowdown valve clack 3, blowdown valve rod 5 slidable mounting is on blowdown support 4, the bottom of blowdown valve rod 5 extends to in the second drain 11, the outside at blowdown valve rod 5 is fixed to blowdown valve clack 3 to with the 11 shutoff cooperation of second drain, reset spring 6 cover is established in the outside of blowdown valve rod 5, reset spring 6's one end offsets with blowdown valve clack 3, reset spring 6's the other end offsets with blowdown support 4.

Further, as a preferred embodiment, the valve cap set 52 includes a first valve cap 7 and a second valve cap 8, the first valve cap 7 is detachably installed at the first sewage draining port 10, a precipitation tank is arranged in the first valve cap 7, the second sewage draining port 11 is arranged at the bottom of the first valve cap 7 and communicated with the precipitation tank, and the second valve cap 8 is detachably installed at the second sewage draining port 11.

Preferably, the first valve cap 7 is screw-mounted at the first drain port 10.

Preferably, the second valve cover 8 is installed at the second sewage draining outlet 11 in a threaded mode, and a sealing gasket 9 is arranged in the second valve cover 8, so that the sealing effect on the second sewage draining outlet 11 is improved.

Further, as a preferred embodiment, be equipped with the precipitation tank with second drain 11 intercommunication in the first valve gap 7, blowdown support 4 is installed in the precipitation tank, and blowdown support 4 is lower extreme open-ended cylindrical structure, and the bottom of blowdown support 4 offsets with the tank bottom of precipitation tank, and through-hole 41 sets up at the top of blowdown support 4, and blowdown valve rod 5 slidable mounting is at the top of blowdown support 4.

Preferably, the settling tank is arranged coaxially with the second sewage draining exit 11.

Further, as a preferred embodiment, the filtering net 2 is a cylindrical structure with an open bottom, and the side wall of the filtering net 2 is provided with a filtering opening 21, and the filtering opening 21 faces the inlet 12.

Preferably, the filter screen 2 is arranged coaxially with the second sewage draining exit 11.

Further, as a preferred embodiment, the top of the filter screen 2 is provided with two limiting posts 22, the top of the filter chamber is provided with two limiting grooves, the two limiting posts 22 are respectively in limiting fit with the two limiting grooves, and the bottom of the filter screen 2 abuts against the first valve cover 7.

The spacing cooperation of spacing post 22 and spacing groove of this embodiment can prevent that filter screen 2 from taking place the rotation under the effect of water impact, influencing the filter effect.

Preferably, the top of the first valve cover 7 is provided with a built-in convex step, and the bottom of the filter screen 2 is abutted against the built-in convex step.

Further, as the embodiment of a preferred, blowdown valve clack 3 is hemispherical structure and coaxial the fixing in the outside of blowdown valve rod 5, and the cambered surface of blowdown valve clack 3 offsets with 11 departments of second drain, and blowdown valve clack 3 adopts hemispherical structure, increases the area of contact to second drain 11, improves the shutoff effect to second drain 11.

Further, as a preferred embodiment, still include brake lever 14 and hand wheel 15, brake lever 14 screw thread installation on valve body 1, and one end of valve rod extends to in valve body 1 and is fixed with the flashboard, and the other end of valve rod is located the outside of valve body 1 and is fixed with hand wheel 15.

This embodiment is when the in-service use, it opens to rotate hand wheel 15 messenger's flashboard, the medium flows in and flows in filter screen 2 through filtration mouth 21 by import 12, impurity in the medium drops to the setting up and concentrates in the precipitation tank in first valve gap 7 through-hole 41 under the filtering action of filter screen 2 and collects, when the blowdown, open second valve gap 8, jack-up blowdown valve rod 5 makes progress and makes 3 compression reset spring 6 of blowdown valve clack relieve the shutoff to second drain 11, impurity in the precipitation tank is discharged by 11 second drains, the embodiment has the filtration, the blowdown function, water purification, reduce harm and protect all kinds of water electrical apparatus to user's health, and simultaneously, only need jack-up blowdown valve rod 5 upwards during the blowdown, can realize at any time online blowdown, need not block the medium, nonprofessional also can operate, and is simple in operation, high efficiency. In addition, the erosion of impurities to the sealing surface of the gate valve can be reduced, the sealing surface of the gate valve is protected, the service life of the gate valve is prolonged,

regularly take out the washing time to filter screen 2 in this embodiment, dismantle first valve gap 7 by on the valve body 1, can take out filter screen 2 by first drain port 10, improved the cleaning efficiency to filter screen 2.

The blowdown valve clack 3 adopts half spherical structure in this embodiment, increases the area of contact to second drain 11, improves the shutoff effect to second drain 11.

The filterable impurity of filter screen 2 is concentrated and is collected in the precipitation tank in this embodiment, has avoided impurity to float under the flow of medium, has reduced filter screen 2 blocking phenomenon, influences the filter effect.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. The utility model provides a filter blowdown gate valve, including the valve body and be used for with water route shutoff complex flashboard in the valve body, its characterized in that, the bottom of valve body has first drain, the valve body is located first drain department detachably installs the filter screen and fixes the valve gap group of filter screen, the valve gap is organized and is equipped with sewage discharging mechanism, the bottom of valve gap group is equipped with the second drain, sewage discharging mechanism with second drain shutoff cooperation.

2. The filter drain gate valve of claim 1, wherein the valve body has an inlet and an outlet, the gate is disposed between the inlet and the outlet, and the first drain port is disposed between the gate and the inlet.

3. The filter blowdown gate valve of claim 2, wherein the blowdown mechanism comprises:

the blowdown bracket is provided with at least one through hole, and impurities on the filter screen flow into the valve cover group through the through hole;

and the sewage discharge assembly is matched with the second sewage discharge outlet in a plugging manner.

4. The filtering blowdown gate valve of claim 3, wherein the blowdown assembly comprises:

the sewage valve clack is fixed outside the sewage valve rod and is matched with the second sewage outlet in a plugging way;

the reset spring is sleeved outside the sewage discharge valve rod, one end of the reset spring is abutted to the sewage discharge valve clack, and the other end of the reset spring is abutted to the sewage discharge support.

5. The filtering blowdown gate valve of claim 4, wherein the valve cover set comprises a first valve cover and a second valve cover, the first valve cover is detachably mounted at the first blowdown port, a settling tank is arranged in the first valve cover, the second blowdown port is arranged at the bottom of the first valve cover and communicated with the settling tank, and the second valve cover is detachably mounted at the second blowdown port.

6. The filtering blowdown gate valve of claim 5, wherein a settling tank communicated with the second blowdown port is arranged in the first valve cover, the blowdown support is mounted in the settling tank and is of a cylindrical structure with an open lower end, the bottom of the blowdown support is abutted against the bottom of the settling tank, the through hole is formed in the top of the blowdown support, and the blowdown valve rod is slidably mounted at the top of the blowdown support.

7. The filtering blowdown gate valve of claim 5, wherein the filtering screen is a cylindrical structure with an open bottom, and the side wall of the filtering screen is provided with a filtering port facing the inlet.

8. The valve for filtering and discharging sewage as claimed in claim 7, wherein two limit posts are disposed on the top of the filtering net, two limit grooves are disposed on the top of the filtering chamber, the two limit posts are respectively in limit fit with the two limit grooves, and the bottom of the filtering net is abutted against the first valve cover.

9. The filtering blowdown gate valve of claim 4, wherein the blowdown flap is of a hemispherical structure and coaxially fixed to the outside of the blowdown valve stem, and the cambered surface of the blowdown flap abuts against the second blowdown port.

10. The filtering blowdown gate valve of claim 1, further comprising a gate rod and a hand wheel, wherein the gate rod is installed on the valve body in a threaded manner, one end of the gate rod extends into the valve body and is fixed with the gate plate, and the other end of the gate rod is located on the outer side of the valve body and is fixed with the hand wheel.