CN219615034U - Open self-cleaning pump front filter - Google Patents

Abstract

The utility model provides an open self-cleaning pump pre-filter, which comprises a filter body and a differential pressure controller, wherein the differential pressure controller is arranged on the outer side wall of the filter body, the bottom of the filter body is communicated with a water inlet pipe, the outer side wall of the filter body is communicated with a water outlet pipe, the top of the filter body is provided with a speed reducer, one side of the speed reducer is connected with a motor, the top of the filter body is provided with a drain valve, and a drain cavity is reserved in the filter body; according to the utility model, the positioning block on the outer side wall of the primary filter screen is abutted with the opening on the bottom surface of the water inlet pipe, so that the primary filter screen is driven to be installed on the bottom surface of the water inlet pipe, then the primary filter screen is firmly fixed on the bottom surface of the water inlet pipe through the mutual matching between the positioning block and the fixing screw, the primary filter screen is used for filtering the inlet water, the impurities with larger particles are filtered conveniently, and the service life of the filter body is prolonged.

Description

Open self-cleaning pump front filter

Technical Field

The utility model belongs to the field of filters, and particularly relates to an open self-cleaning pump front filter.

Background

The self-cleaning filter is a precise device which directly intercepts impurities in water by utilizing a filter screen, removes suspended matters and particulate matters in water, reduces turbidity, purifies water quality, reduces system dirt, bacteria and algae, rust and the like, so as to purify water quality and protect other equipment of the system, water enters the self-cleaning filter body from a water inlet, and the system can automatically identify the deposition degree of the impurities due to the design of intellectualization (PLC and PAC), so that the signal of a sewage disposal valve is automatically and fully discharged.

At present, the filter before the open self-cleaning pump removes the particle impurities or sludge in the water by utilizing the filter screen, and as the entered water is directly contacted with the middle filter screen, the filter screen is used for long-term filtration, a great amount of solid particle impurities are attached to the filtration surface of the filter screen, the filtration efficiency of the filter screen is affected, and the entered water cannot be completely filtered for treatment-!

In summary, the present utility model provides an open self-cleaning pre-pump filter to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an open self-cleaning pump pre-filter, which is used for solving the problems that the prior open self-cleaning pump pre-filter utilizes a filter screen to remove particle impurities or sludge in water, and the water is directly contacted with the middle filter screen for long-term filtration, so that a large amount of solid particle impurities are attached to the filtration surface of the filter screen, the filtration efficiency of the filter screen is affected, the water can not be completely filtered, and the like.

The utility model provides an open self-cleaning pump pre-filter, includes filter body and pressure differential controller, pressure differential controller is installed to the lateral wall of filter body, the bottom intercommunication of filter body has the inlet tube, the lateral wall intercommunication of filter body has the outlet pipe, the speed reducer is installed at the top of filter body, one side of speed reducer is connected with the motor, the blowoff valve is installed at the top of filter body, the inside reservation of filter body has the blowdown chamber;

the output of speed reducer is connected with the bull stick, the inner wall of inlet tube is connected with first filter screen, the lateral wall of first filter screen is connected with the locating piece, the surface through connection of locating piece has set screw.

Preferably, the locating block and the primary filter screen are of an integrated structure, the primary filter screen is made of stainless steel, and the primary filter screen is in butt joint with an opening on the surface of the water inlet pipe through the locating block.

Preferably, the fixing screw penetrates through the positioning block to be in threaded connection with the water inlet pipe.

Preferably, the surface of the rotating rod is connected with a fixing seat, and the opening of the fixing seat is embedded with a hairbrush.

Preferably, the upper end and the lower end of the hairbrush are both connected with guide blocks, and the hairbrush forms a sliding connection structure through guide grooves corresponding to the inner walls of the fixed seat and the guide blocks.

Preferably, the opening at one side of the guide block is connected with an elastic plate, the elastic plate is made of flexible stainless steel, the other end of the elastic plate is connected with a top buckle, and the elastic plate and the top buckle form an elastic linkage structure.

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

1. according to the utility model, the positioning block on the outer side wall of the primary filter screen is abutted with the opening on the bottom surface of the water inlet pipe, so that the primary filter screen is driven to be installed on the bottom surface of the water inlet pipe, then the primary filter screen is firmly fixed on the bottom surface of the water inlet pipe through the mutual matching between the positioning block and the fixing screw, the primary filter screen is used for filtering the inlet water, the impurities with larger particles are filtered conveniently, and the service life of the filter body is prolonged.

2. According to the utility model, the hairbrush is moved on the surface of the fixed seat, the guide blocks at the upper end and the lower end of the hairbrush are driven to slide along the openings corresponding to the inner walls of the openings of the fixed seat, and then the hairbrush is taken out from the surface of one side of the fixed seat through the mutual matching among the guide blocks, the elastic plate and the top buckle, so that the hairbrush can be conveniently and quickly replaced.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic front cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a primary filter screen of the present utility model;

FIG. 4 is an enlarged schematic view of a brush attachment section and a top button of the present utility model.

In the figure:

1. a filter body; 2. a differential pressure controller; 3. a water inlet pipe; 4. a water outlet pipe; 5. a speed reducer; 6. a motor; 7. a blow-down valve; 8. a blow-down chamber; 9. a rotating rod; 10. a primary filter screen; 11. a positioning block; 12. a fixing screw; 13. a fixing seat; 14. a brush; 15. a guide block; 16. an elastic plate; 17. and (5) a top buckle.

Description of the embodiments

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model provides an open self-cleaning pump pre-filter, which comprises a filter body 1 and a differential pressure controller 2, wherein the differential pressure controller 2 is arranged on the outer side wall of the filter body 1, a water inlet pipe 3 is communicated with the bottom of the filter body 1, a water outlet pipe 4 is communicated with the outer side wall of the filter body 1, a speed reducer 5 is arranged on the top of the filter body 1, one side of the speed reducer 5 is connected with a motor 6, a blow-down valve 7 is arranged on the top of the filter body 1, and a blow-down cavity 8 is reserved in the filter body 1;

the output of speed reducer 5 is connected with bull stick 9, and the inner wall of inlet tube 3 is connected with primary filter screen 10, and primary filter screen 10's lateral wall is connected with locating piece 11, and the surface through connection of locating piece 11 has set screw 12.

Referring to fig. 2 and 3, the positioning block 11 and the primary filter screen 10 are integrally formed, the primary filter screen 10 is made of stainless steel, the primary filter screen 10 is abutted with the opening on the surface of the water inlet pipe 3 through the positioning block 11, and the primary filter screen 10 is conveniently installed by connecting the positioning block 11 with the opening on the surface of the water inlet pipe 3.

Referring to fig. 3, a fixing screw 12 is threaded through the positioning block 11 to the water inlet pipe 3.

Referring to fig. 4, a fixing seat 13 is connected to the surface of the rotating rod 9, a brush 14 is embedded in an opening of the fixing seat 13, and the filter screen is conveniently cleaned through the use of the brush 14.

Referring to fig. 4, the upper and lower ends of the brush 14 are connected with guide blocks 15, the brush 14 forms a sliding connection structure through guide grooves corresponding to the inner walls of the fixed seat 13 by the guide blocks 15, and the brush 14 is conveniently assembled by sliding the guide blocks 15 along the openings corresponding to the inner walls of the fixed seat 13.

Referring to fig. 1, an elastic plate 16 is connected to an opening at one side of the guide block 15, the elastic plate 16 is made of flexible stainless steel, a top buckle 17 is connected to the other end of the elastic plate 16, the elastic plate 16 and the top buckle 17 form an elastic linkage structure, and the brush 14 is conveniently and firmly fixed by jogging the top buckle 17 with an opening corresponding to the inner wall of the opening of the fixing seat 13.

The specific working principle is as follows: as shown in fig. 1-4, when the open self-cleaning pump pre-filter is used, firstly, the positioning block 11 on the outer side wall of the primary filter screen 10 is abutted with the opening on the bottom surface of the water inlet pipe 3 to drive the primary filter screen 10 to be installed on the bottom surface of the water inlet pipe 3, then the fixing screw 12 is connected with the water inlet pipe 3 in a threaded manner through the positioning block 11, so that the primary filter screen 10 is firmly fixed on the bottom surface of the water inlet pipe 3, primary filtration is performed on the inlet water, the filtration of impurities with larger particles is facilitated, and the service life of the filter body 1 is prolonged; further through removing brush 14 at fixing base 13's surface, drive the guide block 15 at brush 14 upper and lower both ends and slide along the opening that the fixing base 13 opening part inner wall corresponds, drive top knot 17 simultaneously and extrude elastic plate 16 for elastic deformation takes place for elastic plate 16, and then breaks away from the connection between the fixing base 13 with brush 14, takes out brush 14 at fixing base 13's one side surface, conveniently carries out quick replacement to brush 14, this is this open self-cleaning pump front filter's characteristics.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims (6)

1. An open self-cleaning pump pre-filter, includes filter body (1) and differential pressure controller (2), its characterized in that: the novel sewage treatment device is characterized in that a differential pressure controller (2) is arranged on the outer side wall of the filter body (1), a water inlet pipe (3) is communicated with the bottom of the filter body (1), a water outlet pipe (4) is communicated with the outer side wall of the filter body (1), a speed reducer (5) is arranged at the top of the filter body (1), a motor (6) is connected to one side of the speed reducer (5), a sewage discharge valve (7) is arranged at the top of the filter body (1), and a sewage discharge cavity (8) is reserved in the filter body (1);

the output of speed reducer (5) is connected with bull stick (9), the inner wall of inlet tube (3) is connected with first filter screen (10), the lateral wall of first filter screen (10) is connected with locating piece (11), the surface through connection of locating piece (11) has set screw (12).

2. An open self-cleaning pre-pump filter as defined in claim 1, wherein: the positioning block (11) and the primary filter screen (10) are of an integrated structure, the primary filter screen (10) is made of stainless steel, and the primary filter screen (10) is in butt joint with an opening on the surface of the water inlet pipe (3) through the positioning block (11).

3. An open self-cleaning pre-pump filter as defined in claim 1, wherein: the fixing screw (12) penetrates through the positioning block (11) to be in threaded connection with the water inlet pipe (3).

4. An open self-cleaning pre-pump filter as defined in claim 1, wherein: the surface of the rotating rod (9) is connected with a fixed seat (13), and a hairbrush (14) is embedded in an opening of the fixed seat (13).

5. An open self-cleaning pre-pump filter as defined in claim 4, wherein: the upper end and the lower end of the hairbrush (14) are both connected with guide blocks (15), and the hairbrush (14) and the guide groove corresponding to the inner wall of the fixed seat (13) form a sliding connection structure through the guide blocks (15).

6. An open self-cleaning pre-pump filter as defined in claim 5, wherein: the elastic plate (16) is connected to the opening at one side of the guide block (15), the elastic plate (16) is made of flexible stainless steel, the other end of the elastic plate (16) is connected with the top buckle (17), and the elastic plate (16) and the top buckle (17) form an elastic linkage structure.