CN222304921U - Filter equipment for water supply and drainage - Google Patents

Abstract

A filter device for water supply and drainage, comprising an inlet pipe and an outlet pipe, an outer filter box is connected between the inlet pipe and the outlet pipe, an inner filter box is movably arranged in the outer filter box, and the inner filter box can be taken out from the outer filter box; the inner filter box is connected to the inlet pipe and the outlet pipe respectively, and a primary filter device is arranged in the inner filter box; water flows into the inner filter box through the inlet pipe, and enters the outlet pipe after being filtered by the primary filter device of the inner filter box; a filter screen is detachably arranged in the outlet pipe, and the filter screen can perform secondary filtration on the water flowing through the outlet pipe. The inner filter box and the filter screen of the utility model can be taken out for cleaning or replacement to prevent clogging.

Description

Filter equipment for water supply and drainage

Technical Field

The utility model relates to the technical field of filter devices, in particular to a filter device for water supply and drainage.

Background

In water supply and drainage engineering, water supply, waste water discharge and the like are carried out through arranged water pipelines, a filter is an indispensable device on the water pipelines, is usually arranged at the inlet end of a pressure reducing valve, a pressure relief valve, a water level setting valve or other equipment, consists of a cylinder body, a stainless steel filter screen, a pollution discharge part, a transmission device and an electric control part, and impurities of water to be treated are blocked after passing through a filter drum of the filter screen.

The current filter equipment for water supply and drainage, as described in the patent of publication number CN219840191U, is responsible for, the both ends of being responsible for all fixedly connected with connection pad, one side the one end of connection pad is provided with the filter tube, the both ends of filter tube all are provided with the ring flange. Be provided with impurity collection structure in this patent, the lower extreme fixedly connected with collecting box of being responsible for, the inside impurity of pipeline can fall into in the collecting box through the effect of baffle, be provided with the case lid at the lower extreme of collecting box, the case lid is connected through the screw with the collecting box, one side when the collecting box is provided with the observation window, the observation window is made by transparent resin material, the product that this material was made has the same transparency of glass, the user sees the inside impurity volume of collecting box clearly in outside, when inside impurity volume is great, dismantle the case lid through the screw, can clear up inside impurity for the impurity can not gather always in the inside of pipe and lead to the pipeline to take place to block up.

However, after long-time filtration, the filtering device with the structure needs to be cleaned or replaced for the filtering material to prevent the filtering device from being blocked, but the baffle and the filter screen in the device are not detachable and cannot be cleaned or replaced, so that the filtering device is blocked to influence the drainage of the pipeline.

Disclosure of utility model

The utility model aims to provide a filtering device for water supply and drainage, which can clean or replace a filter screen by arranging an outer filter box and a detachable filter screen, so as to solve the problem of pipeline blockage.

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

The filtering device for water supply and drainage comprises a water inlet pipe and a water outlet pipe, wherein an outer filtering box is connected between the water inlet pipe and the water outlet pipe in a conducting way, an inner filtering box is movably arranged in the outer filtering box and can be taken out from the outer filtering box;

A filter screen is detachably arranged in the water outlet pipe, and the filter screen can carry out secondary filtration on water flow flowing through the water outlet pipe.

Preferably, a water inlet is formed in the position, communicated with the water inlet pipe, of the inner filter box, a water outlet is formed in the position, communicated with the water outlet pipe, of the inner filter box, and a filter bucket is fixedly connected to the position, at the water outlet, of the inner filter box and used as the primary filter device.

Preferably, the upper end of the outer filter box is an open end, a box cover is detachably arranged at the open end of the outer filter box, the upper end of the inner filter box is also an open end, and a blocking block for closing the open end of the inner filter box is arranged between the inner filter box and the box cover.

Preferably, the case cover is detachably and fixedly connected to the outer filter case by a first fixing screw.

Preferably, grooves are respectively formed in positions, close to the top, of two opposite sides of the inner wall of the inner filter box.

Preferably, a baffle ring fixedly connected with the water inlet is arranged inside the inner filter box.

Preferably, the inner walls of the water inlet pipe and the water outlet pipe are provided with anti-corrosion layers.

Preferably, the middle part integrated into one piece of outlet pipe has the plug bush, and the filter screen is inserted in the plug bush along vertical direction activity, gets into the water flow of outlet pipe is crossed the filter screen filters.

Preferably, the top of the filter screen is fixedly connected with a fixed block, and a plurality of second fixing screws are connected between the fixed block and the plug bush in a threaded manner.

Preferably, sealing gaskets are respectively arranged between the contact surfaces of the outer filter box and the box cover, between the contact surfaces of the inner wall of the outer filter box and the inner filter box and between the contact surfaces of the plug bush and the fixed block.

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

The filter device comprises an outer filter box, an inner filter box, a box cover and a filter bucket, wherein the outer filter box, the inner filter box, the box cover and the filter bucket are mutually matched, the filter device is used for filtering for a long time, a certain amount of impurities are accumulated in the inner filter box, the box cover is detached, the inner filter box is pulled out of the outer filter box to be cleaned or replaced, the impurities accumulated in the inner filter box can be cleaned, meanwhile, filter holes in the filter bucket are flushed and cleaned, and meanwhile, a filter screen can be detached to be cleaned or replaced.

Drawings

The utility model is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the utility model in any way.

Fig. 1 is a schematic main structure of a filtering device for water supply and drainage.

Fig. 2 is a sectional view of a filtering apparatus for water supply and drainage.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 at a in the filtering device for water supply and drainage.

Fig. 4 is an enlarged schematic view of the structure of the filtering device for water supply and drainage at the position B in fig. 2.

In the figure, 1, a water inlet pipe, 2, an outer filter box, 3, a box cover, 4, a blocking block, 5, a water outlet pipe, 6, a filter screen, 7, a flange plate, 8, an inner filter box, 9, a water inlet, 10, a water outlet, 11, a filter bucket, 12, an anticorrosive coating, 13, a first fixing screw, 14, a plug bush, 15, a fixing plate, 16, a second fixing screw, 17, a sealing gasket, 18, a groove, 19 and a baffle ring.

Detailed Description

The foregoing embodiments are specifically described with reference to the drawings.

Referring to fig. 1 to 4, the filtering device for water supply and drainage of the present utility model includes a water inlet pipe 1 and a water outlet pipe 5, an outer filtering box 2 is connected between the water inlet pipe 1 and the water outlet pipe 5, and sewage enters the outer filtering box 2 through the water inlet pipe 1 and then enters the water outlet pipe 5 through the outer filtering box 2. One ends of the water inlet pipe 1 and the water outlet pipe 5 far away from the outer filter tank 2 are respectively provided with a flange plate 7 for connection, and the water inlet pipe 1 and the water outlet pipe 5 are connected with corresponding water drainage pipelines through the flange plates 7.

In order to improve the service life of the water inlet pipe and the water outlet pipe, in some embodiments, the inner walls of the water inlet pipe 1 and the water outlet pipe 5 are provided with an anti-corrosion layer 12, the anti-corrosion layer 12 is made of polypropylene material, and a product made of the material has higher anti-corrosion performance, so that the service life of the device is greatly improved.

The outer filter box 2 is of a square structure with an open upper end, and a detachable box cover 3 is arranged at the open end of the outer filter box. In the present embodiment, the case cover 3 is detachably and fixedly coupled to the open end of the outer filtering case 2 by a first fixing screw 13 for closing the outer filtering case 2. An inner filter box 8 with an upper end opening is movably arranged in the outer filter box 2, a blocking block 4 is arranged between the opening end of the inner filter box 8 and the box cover 3, so that the sealing performance of the outer filter box 2 is improved, and meanwhile, the inner filter box 8 is tightly pressed through the box cover 3 and the blocking block 4, and the opening end of the inner filter box 8 is sealed.

In order to improve the sealing performance and the installation stability of the outer filter box, in some embodiments, sealing gaskets 17 are respectively arranged between the contact surfaces of the box cover 3 and the opening end of the outer filter box 2 and between the contact surfaces of the inner filter box 8 and the inner wall of the outer filter box 2, the sealing gaskets 17 are made of rubber materials, and the sealing performance of the outer filter box 2 can be further improved through the arranged sealing gaskets 17. The inner filter box 8 can be positioned by the box cover 3, the blocking piece 4 and the sealing gasket 17, so that the inner filter box is prevented from sloshing in the outer filter box 2.

The inner filter box 8 is provided with a water inlet 9 and a water outlet 10 at positions corresponding to the water inlet pipe 1 and the water outlet pipe 5. The diameter of the water inlet 9 is consistent with the inner diameter of the water inlet pipe 1, and the diameter of the water outlet 10 is consistent with the inner diameter of the water outlet pipe 5. A filter bucket 11 fixedly connected with the water outlet 10 is arranged inside the inner filter box 8, and the tip end part of the filter bucket 11 is arranged in the inner filter box 8 and far away from the water outlet 10. The sewage enters the inner filter box 8 in the outer filter box 2 through the water inlet pipe 1 and the water inlet 9, is filtered by the filter bucket 11, and enters the water outlet pipe 5 through the water outlet 10. Because the filter funnel 11 in the filter box 8 is funnel-shaped, impurities cannot easily adhere to the surface of the filter funnel 11, so that the blocking probability is reduced.

The cover 3 of the outer filter tank 2 is opened, the block 4 is removed, and the inner filter tank 8 can be taken out of the outer filter tank 2 for cleaning. In order to facilitate the removal of the inner filter box 8, in some embodiments, gripping grooves 18 are provided at inner walls of opposite sides in the open end of the inner filter box 8, and when the inner filter box 8 is removed, the grooves 18 are respectively hooked by two hands, so that the inner filter box 8 can be conveniently removed.

In order to prevent the backflow of impurities when the inner filter housing 8 is taken out, in some embodiments, a baffle ring 19 is fixedly provided at one end of the water inlet 9 inside the inner filter housing 8. The baffle ring 19 can block impurities when the inner filter box 8 is taken out, and prevent the impurities from flowing back into the water inlet pipe 1 through the water inlet 9.

The middle part at outlet pipe 5 can be dismantled and be provided with filter screen 6, can filter less tiny particle in the aquatic through filter screen 6 to this filter equipment's filter effect has been improved greatly.

In order to realize detachable installation of the filter screen 6, in the embodiment, a plug bush 14 is integrally formed in the middle of the water outlet pipe 5, the filter screen 6 is movably inserted into the plug bush 14 along the vertical direction, a fixing plate 15 is fixedly connected to the top of the filter screen 6, a plurality of second fixing screws 16 are connected between the fixing plate 15 and the plug bush 14 in a threaded manner, and the fixing plate 15 and the filter screen 6 are detachably connected with the plug bush 14 through the second fixing screws 16.

Besides the plug-in manner of the present embodiment, the filter screen 6 may be implemented in other structural manners, for example, the filter screen 6 is manufactured as a separate component, the water outlet pipe 5 is divided into two sections, the filter screen 6 is fixedly connected between the two sections of water outlet pipes 5 in a detachable manner, and when the filter screen 6 is replaced, the filter screen 6 is directly replaced or the filter screen 6 is cleaned.

The filter head 11 of the inner filter box 8 is used as a primary filter for coarse filtration, and the filter screen 6 is used as a secondary filter for further filtration. The filter bucket 11 of the inner filter box 8 is combined with the filter screen 6 to filter impurities in sewage as much as possible, so that the sewage cleanliness can be improved.

In order to improve the installation tightness of the filter screen 6, in some embodiments, a sealing gasket 17 is arranged between the contact surface of the plug bush 14 and the fixing plate 15, so that the sealing performance of the filter screen 6 is improved.

When the sewage treatment device is used, after the water inlet pipe 1 and the water outlet pipe 5 are connected with corresponding water drainage pipelines through the flange plate 7, sewage enters the inner filter box 8 through the water inlet pipe 1 and the water inlet 9, enters the water outlet pipe 5 through the water outlet 10 after being filtered through the filter bucket 11, is further filtered through the filter screen 6, and is then discharged through the water outlet pipe 5. When a certain amount of impurities accumulate in the inner filter box 8 and need to be cleaned and replaced, the box cover 3 can be detached by unscrewing the first fixing screws 13, the inner filter box 8 is taken out of the outer filter box 2 to be cleaned and replaced, when the filter screen 6 is blocked, the fixing plate 15 and the filter screen 6 can be detached together by unscrewing the second fixing screws 16, and the operation is simple and convenient.

Claims (10)

1. The filtering device for water supply and drainage is characterized by comprising a water inlet pipe (1) and a water outlet pipe (5), wherein an outer filtering box (2) is connected between the water inlet pipe (1) and the water outlet pipe (5), an inner filtering box (8) is movably arranged in the outer filtering box (2), the inner filtering box (8) can be taken out from the outer filtering box (2), the inner filtering box (8) is respectively communicated with the water inlet pipe (1) and the water outlet pipe (5), a first-stage filtering device is arranged in the inner filtering box (8), water flows into the inner filtering box (8) through the water inlet pipe (1), and then flows into the water outlet pipe (5) after being filtered by the first-stage filtering device of the inner filtering box (8);

A filter screen (6) is detachably arranged in the water outlet pipe (5), and the filter screen (6) can carry out secondary filtration on water flow flowing through the water outlet pipe (5).

2. The filtering device for water supply and drainage according to claim 1, wherein a water inlet (9) is formed at the position where the inner filtering box (8) is communicated with the water inlet pipe (1), a water outlet (10) is formed at the position where the inner filtering box (8) is communicated with the water outlet pipe (5), and a filtering hopper (11) is fixedly connected to the position of the water outlet (10) in the inner filtering box (8) to serve as the primary filtering device.

3. The water supply and drainage filter device according to claim 2, wherein the upper end of the outer filter tank (2) is an open end, a tank cover (3) is detachably provided at the open end of the outer filter tank (2), the upper end of the inner filter tank (8) is also provided as an open end, and a block (4) for closing the open end of the inner filter tank (8) is provided between the inner filter tank (8) and the tank cover (3).

4. A water supply and drainage filter device according to claim 3, characterized in that the cover (3) is fixedly connected to the outer filter box (2) in a detachable manner by means of a first fixing screw (13).

5. A water supply and drainage filter device according to claim 3, characterized in that the inner wall of the inner filter box (8) is provided with grooves (18) at positions near the top on opposite sides thereof, respectively.

6. A water supply and drainage filter device according to claim 3, characterized in that a baffle ring (19) fixedly connected with the water inlet (9) is arranged inside the inner filter tank (8).

7. The water supply and drainage filter device according to claim 1, wherein the inner walls of the water inlet pipe (1) and the water outlet pipe (5) are provided with an anti-corrosion layer (12).

8. A water supply and drainage filter device according to claim 3, characterized in that the middle part of the water outlet pipe (5) is integrally formed with a plug bush (14), the filter screen (6) is movably inserted in the plug bush (14) along the vertical direction, and water entering the water outlet pipe (5) flows through the filter screen (6) for filtration.

9. The water supply and drainage filter device according to claim 6, characterized in that a fixed block (15) is fixedly connected to the top of the filter screen (6), and a plurality of second fixing screws (16) are connected between the fixed block (15) and the plug bush (14) in a threaded manner.

10. The water supply and drainage filter device according to claim 8, wherein sealing gaskets (17) are respectively provided between the contact surfaces of the outer filter tank (2) and the tank cover (3), between the contact surfaces of the inner wall of the outer filter tank (2) and the inner filter tank (8), and between the contact surfaces of the insert sleeve (14) and the fixing block (15).