CN206444288U - A self-cleaning duplex filter - Google Patents

Abstract

The utility model discloses a self-cleaning duplex filter, which comprises two filters, wherein each filter comprises a cylinder body, a coarse filter screen and a fine filter screen which are cylindrical are arranged inside the cylinder body, the coarse filter screen is positioned inside the fine filter screen, and a cavity is formed between the coarse filter screen and the fine filter screen; the bottom of the barrel is provided with a motor box, a motor is arranged in the motor box, more than one screw rod is arranged on the motor box, the screw rods are in transmission connection with the motor, the screw rods extend to the top of the cavity from the bottom of the barrel, the screw rods are provided with brushes, the brushes are in circular rings, and the edges of the brushes are tightly attached to the outer wall of the coarse filter screen and the inner wall of the fine filter screen; the top of the cylinder body is provided with a water spraying device; the self-cleaning duplex filter has a good automatic cleaning function and saves manpower.

Description

A self-cleaning duplex filter

technical field

The utility model relates to the technical field of filters, in particular to a self-cleaning duplex filter.

Background technique

Duplex filter is also called duplex switching filter. It is composed of two stainless steel filters connected in parallel. It has many advantages such as novel and reasonable structure, good sealing, strong flow capacity, and easy operation. It has a wide range of applications and strong adaptability. Multi-purpose filter equipment. In particular, the probability of side leakage of the filter bag is small, the filtration accuracy can be accurately guaranteed, and the filter bag can be replaced quickly. There is basically no material consumption during filtration, which reduces the operating cost.

When cleaning the existing duplex filter, the cylinder needs to be disassembled for manual cleaning, which takes a long time and is cumbersome.

Utility model content

In view of the above technical problems, the purpose of this utility model is to provide a self-cleaning duplex filter, which has a good automatic cleaning function and saves manpower.

The utility model provides a self-cleaning duplex filter, which includes two filters. The filter includes a cylinder, and the interior of the cylinder is provided with a cylindrical coarse filter and a fine filter. The coarse filter is located inside the fine filter, and a cavity is formed between the coarse filter and the fine filter; a motor box is arranged at the bottom of the cylinder, and a motor is arranged inside the motor box. The chassis is provided with more than one screw, the screw is connected to the motor drive, the screw extends from the bottom of the cylinder to the top of the cavity, the screw is provided with a brush, the brush is in the shape of a ring, the brush The edge is close to the outer wall of the coarse filter and the inner wall of the fine filter; the top of the cylinder is provided with a water spray device, and the water spray device includes a high-pressure water pump and an injector, and the high-pressure water pump is connected to the injector. The high-pressure water pump is connected with a running water pipe, and the bottom of the injector is provided with more than one water spray port; the bottom of the cylinder is provided with a sewage pipe, and the sewage pipe communicates with the cavity.

Preferably, the fine filter screen is located at the center of the cylinder, and the coarse filter screen and the fine filter screen are arranged concentrically.

As preferably, the outlets of the water spout are respectively aligned with the outer wall of the coarse strainer and the inner wall of the fine strainer, so that the sprayed water can be directed to the bottom from the top of the outer wall of the coarse strainer and the inner wall of the fine strainer, Played the role of washing.

Preferably, an on-off valve is provided on the sewage pipe, and the on-off valve on the sewage pipe is opened during cleaning to discharge sewage, and the on-off valve is closed during the working period of the filter.

Preferably, the output shaft of the motor is connected with a driving gear, and the driving gear is connected with more than one driven gear, the number of the driven gears is equal to the number of the screw, and the driven gear is connected with the screw. The motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear finally drives the screw to rotate, so that the brush can clean the outer wall of the coarse filter screen and the inner wall of the fine filter screen up and down.

Compared with the prior art, the utility model has the advantages that: after the self-cleaning duplex filter finishes filtering the liquid, the filter starts to clean automatically, and under the action of the high-pressure water pump, the water from the tap water pipe is sprayed at high speed from the water spray port , to flush the outer wall of the coarse filter and the inner wall of the fine filter, the brush wipes the outer wall of the coarse filter and the inner wall of the fine filter up and down, and the cleaned sewage is discharged from the sewage pipe, which has a high degree of automation and saves manpower.

Description of drawings

The basic structure of the self-cleaning duplex filter of the present utility model is illustrated below in conjunction with the accompanying drawings, wherein:

Fig. 1 is a structural schematic diagram of the self-cleaning duplex filter of the present invention.

Fig. 2 is a schematic diagram of the structure inside the electric box of the utility model.

detailed description

For the sake of clarity, the self-cleaning duplex filter will be described below by way of example with reference to the accompanying drawings. It should be understood that the utility model is not limited thereto.

Example 1

As shown in Figure 1-2, a self-cleaning duplex filter includes two filters 1, the filter 1 includes a cylinder 2, and the inside of the cylinder 2 is a cylindrical coarse A filter screen 3 and a fine filter screen 4, the coarse filter screen 3 is located inside the fine filter screen 4, a cavity 5 is formed between the coarse filter screen 3 and the fine filter screen 4; the bottom of the cylinder body 2 is provided with an electric Chassis 6, the inside of the motor box 6 is provided with a motor 7, the motor box 6 is provided with four screw rods 8, the screw rods 8 are connected to the motor 7 in transmission, and the screw rods 8 extend from the bottom of the cylinder body 2 to At the top of the cavity 5, the screw rod 8 is provided with a brush 9, the brush 9 is annular, and the edge of the brush 9 is close to the outer wall of the coarse filter screen 3 and the inner wall of the fine filter screen 4; 2 The top is provided with a water spraying device, the water spraying device includes a high-pressure water pump 10 and an injector 11, the high-pressure water pump 10 is connected to the injector 11, and a tap water pipe 12 is connected to the high-pressure water pump 10, and the injector 11 is provided with 16 water spray ports 13 at the bottom; the bottom of the cylinder body 2 is provided with a sewage pipe 14 , and the sewage pipe 14 communicates with the cavity 5 .

The beneficial effects of this embodiment are: after the self-cleaning duplex filter has finished filtering the liquid, the filter starts to clean automatically, and under the action of the high-pressure water pump, the water from the tap water pipe is sprayed at high speed from the water nozzle, and the coarse filter screen The outer wall and the inner wall of the fine filter play a flushing role. The brush wipes the outer wall of the coarse filter and the inner wall of the fine filter up and down, and the cleaned sewage is discharged from the sewage pipe, which has a high degree of automation and saves manpower.

Example 2

As shown in Figure 1-2, a self-cleaning duplex filter includes two filters 1, the filter 1 includes a cylinder 2, and the inside of the cylinder 2 is a cylindrical coarse A filter screen 3 and a fine filter screen 4, the coarse filter screen 3 is located inside the fine filter screen 4, a cavity 5 is formed between the coarse filter screen 3 and the fine filter screen 4; the bottom of the cylinder body 2 is provided with an electric Chassis 6, the inside of the motor box 6 is provided with a motor 7, the motor box 6 is provided with four screws 8, the screw 8 is connected to the motor 7, and the screw 8 extends from the bottom of the cylinder 2 to At the top of the cavity 5, the screw rod 8 is provided with a brush 9, the brush 9 is annular, and the edge of the brush 9 is close to the outer wall of the coarse filter screen 3 and the inner wall of the fine filter screen 4; 2 The top is provided with a water spraying device, the water spraying device includes a high-pressure water pump 10 and an injector 11, the high-pressure water pump 10 is connected to the injector 11, the high-pressure water pump 10 is connected with a water pipe 12, and the injector There are 16 water spray ports 13 at the bottom of 11; a sewage pipe 14 is provided at the bottom of the cylinder 2, and the sewage pipe 14 communicates with the cavity 5.

The fine filter screen 4 is located at the center of the cylinder body 2, and the coarse filter screen 3 and the fine filter screen 4 are arranged concentrically.

The outlet of described water spout 13 is aimed at the outer wall of coarse strainer 3 and the inner wall of fine strainer 4 respectively, so that the water sprayed out can be directed to by the top of the outer wall of coarse strainer 3 and the inner wall of fine strainer 4. The bottom acts as a rinse.

The sewage pipe 14 is provided with an on-off valve 15. During cleaning, the on-off valve 15 on the sewage pipe 14 is opened to discharge sewage. When the filter 1 is working, the on-off valve 15 is closed.

The output shaft of described motor 7 is connected with driving gear 16, and described driving gear 16 is connected with four driven gears 17, and the quantity of described driven gears 17 is equal to the quantity of screw rod 8, and described driven gears 17 and Screw 8 connection. The motor 7 drives the driving gear 16 to rotate, and the driving gear 16 drives the driven gear 17 to rotate, and the driven gear 17 finally drives the screw rod 8 to rotate, so that the brush 9 can clean the outer wall of the coarse filter screen 3 and the inner wall of the fine filter screen 4 up and down.

The beneficial effects of this embodiment are: after the self-cleaning duplex filter has finished filtering the liquid, the filter starts to clean automatically, and under the action of the high-pressure water pump, the water from the tap water pipe is sprayed at high speed from the water nozzle, and the coarse filter screen The outer wall and the inner wall of the fine filter play a flushing role. The brush wipes the outer wall of the coarse filter and the inner wall of the fine filter up and down, and the cleaned sewage is discharged from the sewage pipe, which has a high degree of automation and saves manpower.

The preferred embodiments of the present invention have been clearly described above with reference to the accompanying drawings, but it should be understood that the present invention is not limited thereto. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the scope of the claims of the utility model.

Claims (5)

1. A self-cleaning duplex filter includes two filters, and the filter includes a cylinder, which is characterized in that, The interior of the cylinder is provided with a cylindrical coarse filter and a fine filter, the coarse filter is located inside the fine filter, and a cavity is formed between the coarse filter and the fine filter; The bottom of the cylinder is provided with a motor box, and the inside of the motor box is provided with a motor. The motor box is provided with more than one screw, and the screw is connected to the motor drive. The screw extends from the bottom of the cylinder to the At the top of the cavity, the screw rod is provided with a brush, the brush is in the shape of a ring, and the edge of the brush is close to the outer wall of the coarse filter and the inner wall of the fine filter; The top of the cylinder is provided with a water spray device, the water spray device includes a high-pressure water pump and an injector, the high-pressure water pump is connected to the injector, the high-pressure water pump is connected with a water pipe, and the bottom of the injector is provided with more than one water spout; A sewage discharge pipe is arranged at the bottom of the cylinder, and the sewage discharge pipe communicates with the cavity. 2 . The self-cleaning duplex filter according to claim 1 , wherein the fine filter screen is located at the center of the cylinder, and the coarse filter screen and the fine filter screen are arranged concentrically. 3. The self-cleaning duplex filter according to claim 1, characterized in that the outlets of the water jets are respectively aligned with the outer wall of the coarse filter and the inner wall of the fine filter. 4. The self-cleaning duplex filter according to claim 1, characterized in that an on-off valve is provided on the drain pipe. 5. The self-cleaning duplex filter according to claim 1, characterized in that, the output shaft of the motor is connected with a driving gear, and the driving gear is connected with more than one driven gear, and the driven gear The number is equal to the number of screw rods, and the driven gear is connected with the screw rods.