CN219366872U - Backwash valve - Google Patents

Abstract

The utility model relates to the technical field of valves, in particular to a back flushing valve which comprises a valve body, wherein a water inlet pipe, a first back flushing pipe and a second back flushing pipe are arranged in the valve body, the first back flushing pipe and the second back flushing pipe are both arranged perpendicular to the water inlet pipe, the first back flushing pipe and the second back flushing pipe are both connected to the outer wall of the water inlet pipe through threaded joints, a back flushing water inlet pipe is also arranged in the valve body, the outer walls of the first back flushing pipe and the second back flushing pipe are both connected with connecting branch pipes, and the connecting branch pipes are both connected to the back flushing water inlet pipe. According to the utility model, the first and second back flushing pipes are arranged for standby, so that the back flushing effect is improved, and the first and second back flushing pipes are connected to the outer wall of the water inlet pipe through the threaded joint, so that the water inlet pipe is convenient to install or disassemble, can be disassembled regularly, and can clean the inside, thereby saving the maintenance cost.

Description

Backwash valve

Technical Field

The utility model relates to the technical field of valves, in particular to a back flush valve.

Background

The back flush valve is widely applied to filtration treatment of circulating water in modern agriculture water filtration and industrial production. The hydraulic control valve special for the full-automatic back flushing filtering system can be driven by the pressure of the pipeline system to automatically switch, so that the automatic back flushing of the filter is realized.

Publication (bulletin) number: CN203670906U discloses a back flush valve, including inlet tube, back flushing pipe, sewer pipe and outlet pipe, have set gradually sewer pipe, filter screen in the inlet tube, inlet tube and sewer pipe junction are provided with ball-type case, the water inlet end of back flushing pipe is provided with the butterfly case, ball-type case and butterfly valve core are through the action of control lever linkage, be provided with the piston in the back flushing pipe, this piston passes through spring coupling in the back flushing pipe, be provided with back flushing mouth and delivery port between back flushing pipe and the inlet tube, back flushing mouth and delivery port are blockked up the control by the piston is in turn, and the beneficial effect of the utility model lies in: the backwashing valve is simple to operate, and the service life of the valve is well guaranteed.

The back flush valve is simple to operate, but the number of the back flush pipes of the back flush valve is single, when the back flush pipes are damaged, the back flush work is stopped, the back flush pipes are welded in the back flush valve, and the back flush pipes are required to be replaced integrally after being damaged, so that the maintenance cost is increased.

Disclosure of Invention

The present utility model is directed to a backwash valve to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a backwash valve, includes the valve body, install inlet tube, first backwash tube and second backwash tube in the valve body, first backwash tube, second backwash tube all set up perpendicularly with the inlet tube, and first backwash tube, second backwash tube all through screwed joint connect in on the outer wall of inlet tube, still install the backwash inlet tube in the valve body, all be connected with the connecting branch pipe on the outer wall of first backwash tube, second backwash tube, the connecting branch pipe is all connected on the backwash inlet tube.

Preferably, the first and second backwash pipes are embedded in the valve body.

Preferably, the valve body is provided with a plurality of valve fixing holes for installation.

Preferably, both ends of the water inlet pipe are respectively provided with a water inlet joint and a water outlet joint.

Preferably, the water inlet joint and the water outlet joint are provided with flange plates.

Preferably, a recoil joint is mounted at the end of the recoil water inlet pipe.

Preferably, the recoil joint is coaxially connected with a flange.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this back flush valve, through first back flush pipe and the second back flush pipe that set up, can reserve, improve back flush's effect, and first back flush pipe, second back flush pipe all pass through screwed joint and connect on the outer wall of inlet tube, conveniently install or dismantle, can regularly dismantle, clear up inside, practice thrift cost of maintenance.

2. In the back flushing valve, a plurality of valve fixing holes for installation are formed in the valve body, so that the valve body can be conveniently installed or detached.

3. In the back flushing valve, the two ends of the water inlet pipe are respectively provided with the water inlet joint and the water outlet joint, the water inlet joint and the water outlet joint are respectively provided with the flange plates, so that the water inlet pipe is convenient to connect with an external pipe, the end part of the back flushing water inlet pipe is provided with the back flushing joint, the back flushing joint is coaxially connected with the flange plates, and the water inlet pipe can be quickly connected with an external flushing pipeline, so that the water inlet pipe is convenient to install or detach.

Drawings

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

fig. 2 is a schematic cross-sectional structure of the present utility model.

Meaning of each reference numeral in the drawings:

10. a valve body; 11. a valve fixing hole;

20. a water inlet pipe; 21. a water inlet joint; 22. a water outlet joint;

30. a first backwash tube; 31. a threaded joint; 32. a backflushing water inlet pipe; 33. a recoil joint; 34. a connecting branch pipe;

40. and a second backwash tube.

Detailed Description

The following description of embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

In the description of the present utility model, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

A backwash valve is shown in fig. 1 and 2, and comprises a valve body 10, wherein a water inlet pipe 20, a first backwash pipe 30 and a second backwash pipe 40 are installed in the valve body 10, the first backwash pipe 30 and the second backwash pipe 40 are all perpendicular to the water inlet pipe 20, the first backwash pipe 30 and the second backwash pipe 40 are all connected to the outer wall of the water inlet pipe 20 through threaded joints 31, a backwash water inlet pipe 32 is also installed in the valve body 10, connecting branch pipes 34 are connected to the outer walls of the first backwash pipe 30 and the second backwash pipe 40, the connecting branch pipes 34 are all connected to the backwash water inlet pipe 32, the backwash valve can be used for standby, the backwash effect is improved through the first backwash pipe 30 and the second backwash pipe 40 which are all connected to the outer wall of the water inlet pipe 20 through the threaded joints 31, the backwash valve is convenient to install or detach, the backwash valve can be detached regularly, and the interior is cleaned, and maintenance cost is saved.

It should be noted that the first and second backwash pipes 30 and 40 are embedded in the valve body 10 to improve structural stability.

Further, the valve body 10 is provided with a plurality of valve fixing holes 11 for mounting, so that the valve body can be conveniently mounted or dismounted.

Specifically, both ends of the water inlet pipe 20 are respectively provided with a water inlet joint 21 and a water outlet joint 22, and the water inlet joint 21 and the water outlet joint 22 are respectively provided with a flange plate, so that the water inlet pipe is convenient to connect with an external pipe.

In addition, the end part of the backflushing water inlet pipe 32 is provided with a backflushing joint 33, and the backflushing joint 33 is coaxially connected with a flange plate, so that the backflushing water inlet pipe can be quickly connected with an external flushing pipeline, and is convenient to install or detach.

The working principle of the back flush valve of the utility model is as follows: the operator connects the water inlet joint 21 and the water outlet joint 22 of the water inlet pipe 20 on the valve body 10 with the water pipe respectively, connects the backflushing joint 33 of the backflushing water inlet pipe 32 with the high-pressure flushing pipe, and opens the valve of the high-pressure flushing pipe to backflush the water inlet pipe 20 through the first backflushing pipe 30 and the second backflushing pipe 40 when flushing is needed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A backwash valve, characterized by: including valve body (10), install inlet tube (20), first back flushing pipe (30) and second back flushing pipe (40) in valve body (10), first back flushing pipe (30), second back flushing pipe (40) all set up perpendicularly with inlet tube (20), and first back flushing pipe (30), second back flushing pipe (40) all connect in on the outer wall of inlet tube (20) through screwed joint (31), back flushing inlet tube (32) are still installed in valve body (10), all be connected with connecting branch pipe (34) on the outer wall of first back flushing pipe (30), second back flushing pipe (40), connecting branch pipe (34) all are connected on back flushing inlet tube (32).

2. The backwash valve according to claim 1 wherein: the first back flushing pipe (30) and the second back flushing pipe (40) are embedded in the valve body (10).

3. The backwash valve according to claim 1 wherein: the valve body (10) is provided with a plurality of valve fixing holes (11) for installation.

4. The backwash valve according to claim 1 wherein: two ends of the water inlet pipe (20) are respectively provided with a water inlet joint (21) and a water outlet joint (22).

5. The backwash valve as recited in claim 4 wherein: and the water inlet joint (21) and the water outlet joint (22) are provided with flange plates.

6. The backwash valve according to claim 1 wherein: a recoil joint (33) is arranged at the end part of the recoil water inlet pipe (32).

7. The backwash valve as recited in claim 6 wherein: the recoil joint (33) is coaxially connected with a flange plate.