CN220142739U - A filtration device that facilitates filter replacement - Google Patents

Abstract

The utility model discloses a filtering equipment that facilitates filter replacement, including: a filter box, with water inlet pipes and water outlet pipes respectively provided on both sides of the filter box; a box cover used for sealing the top of the filter box; and a filter screen. It is installed at the position of the water outlet pipe in the filter box. The inner wall of the filter box and the outlet pipe are fixedly connected with an externally threaded pipe head. The filter screen is cylindrical and is threadedly connected with the externally threaded pipe head. By arranging a cylindrical filter screen in the filter box, the utility model maintains a sufficient filtering area and at the same time reduces the contact area between the filter screen and the inner wall of the filter box, thereby reducing the difficulty of sealing. In addition, the position of the water outlet pipe on the inner wall of the filter box is set in conjunction with the filter screen. The threaded external thread pipe head can increase the convenience of disassembly and assembly of the filter, thereby improving the convenience of using the filter equipment.

Description

A filtration device that facilitates filter replacement

Technical field

The utility model relates to the technical field of filtering equipment, and in particular to a filtering equipment that facilitates filter replacement.

Background technique

When liquid is transported in pipelines, in order to improve the quality of the transported liquid, it is necessary to install filtering equipment between the pipe joints to filter the transported liquid and improve the quality of the transported liquid.

At present, water quality is filtered through filters in filtration equipment. The filters in existing filtration equipment are generally in the shape of a straight plate, which is not only inconvenient to disassemble and assemble, but also has a large contact area with the inside of the filter equipment, resulting in the need for sealing. There are many positions, which affects the sealing of the filter installed in the filter equipment. For this reason, we propose a filter equipment that facilitates filter replacement to solve the problems of inconvenient filter replacement and difficult sealing in today's filter equipment.

Utility model content

The purpose of this utility model is to provide a filtering device that facilitates filter replacement, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a filtering equipment that facilitates filter replacement, including:

A filter box, with water inlet pipes and water outlet pipes respectively provided on both sides of the filter box;

Box cover, used to seal the top of the filter box;

The filter screen is installed at the position of the water outlet pipe in the filter box;

An externally threaded pipe head is fixedly connected to the inner wall of the filter box corresponding to the water outlet pipe. The filter screen is cylindrical and is threadedly connected to the externally threaded pipe head.

Preferably, one end of the filter screen facing the water outlet pipe is fixedly connected with an internally threaded casing, and the inner wall of the internally threaded casing is threadedly connected to the externally threaded pipe head.

Preferably, one end of the internally threaded sleeve facing the water outlet pipe is fixedly connected with a sealing gasket, and the end of the filter screen away from the water outlet pipe is round-headed.

Preferably, the top of the filter box is provided with a loop-shaped slot for the box cover to engage and position, the top of the box cover is fixedly connected to an auxiliary handle, and the bottom end of the box cover is fixedly connected to a loop-shaped slot that matches the loop-shaped slot. Return gasket.

Preferably, positioning rods are fixedly connected to the corners of the loop-shaped slot, and positioning through holes matching the positioning rods are provided at the corners of the top of the box cover.

Preferably, the top of the outer wall of the positioning rod is provided with external threads, the outer wall of the positioning rod is threadedly connected to an internally threaded pipe through the external thread, and the bottom of the internally threaded pipe is fixedly connected with a washer.

Technical effects and advantages of this utility model:

By arranging a cylindrical filter screen in the filter box, the utility model maintains a sufficient filtering area and at the same time reduces the contact area between the filter screen and the inner wall of the filter box, thereby reducing the difficulty of sealing. In addition, the position of the water outlet pipe on the inner wall of the filter box is set in conjunction with the filter screen. The threaded external thread pipe head can increase the convenience of disassembly and assembly of the filter, thereby improving the convenience of using the filter equipment.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Figure 2 is a schematic diagram of the three-dimensional structure of the filter box of the present utility model.

Figure 3 is a schematic diagram of the three-dimensional structure of the box cover of the present utility model.

Figure 4 is a schematic diagram of the internal structure of the filter box of the present utility model.

In the picture: 1. Filter box; 11. Water inlet pipe; 12. Water outlet pipe; 13. Return-shaped slot; 14. Positioning rod; 15. External thread; 2. Box cover; 21. Positioning through hole; 22. Auxiliary handle ; 23. Ring seal; 24. Internally threaded pipe; 25. Washer; 3. Filter; 31. Internally threaded casing; 32. Sealing washer; 33. Externally threaded pipe head.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

The utility model provides a filtering device as shown in Figure 1-4 that facilitates filter replacement, including:

Filter box 1. There are water inlet pipes 11 and water outlet pipes 12 on both sides of the filter box 1. The water inlet pipes 11 and the water outlet pipes 12 are staggered up and down, and the installation height of the water inlet pipe 11 on the filter box 1 is higher than that of the water outlet pipe 12. The installation height is such that both ports translate and remain connected with the inner wall of filter box 1;

The box cover 2 is used to seal the top of the filter box 1 and the opening at the top of the filter box 1, so that the top of the filter box 1 can be opened to facilitate cleaning of the inside, and at the same time it can also seal the filter 3 inside the box. For disassembly, replacement or maintenance, a sewage pipe can be installed on the filter box 1 to discharge the sewage separately after cleaning the inside of the filter box 1, which is convenient for use;

The filter screen 3 is installed at the outlet pipe 12 in the filter box 1, and can also be installed at the water inlet pipe 11 on the inner wall of the filter box 1. It is mainly used to separate the liquid entering the filter box 1 and the liquid discharged from the filter box 1. , to achieve the purpose of liquid filtration, an external threaded pipe head 33 is fixedly connected to the inner wall of the filter box 1 and the outlet pipe 12. The filter screen 3 is cylindrical and is threadedly connected to the external threaded pipe head 33. The filter screen 3 is connected to the external threaded pipe head 33. The threaded connection of the threaded pipe head 33 makes the disassembly and assembly of the filter 3 simple and convenient, and increases the convenience and efficiency of its replacement. The end of the filter 3 away from the outlet pipe 12 is in the shape of a round head, and the whole filter 3 is in the shape of a cylinder. On the premise that the filtering area of the outer wall is sufficient, the contact and blocking area between the filter screen 3 and the inner wall of the filter box 1 can be reduced, thereby reducing the difficulty of sealing the filter screen 3 in the filter box 1, not only reducing the difficulty of operation, but also improving the The filter screen 3 has a sealing effect when installed in the filter box 1, and its end is in the shape of a round head, which can further increase the filtering area of the filter screen 3 and improve the filtering efficiency.

One end of the filter 3 facing the outlet pipe 12 is fixedly connected with an internally threaded casing 31. The inner wall of the internally threaded casing 31 is threadedly connected to the externally threaded pipe head 33. The internally threaded casing 31 and the filter 3 can be integrally fixed. , can also be detachably fixed, mainly to facilitate the thread connection of the end of the filter screen 3 through the internal thread sleeve 31 and the external thread pipe head 33, so that the installation of the filter screen 3 inside the filter box 1 is simpler It is convenient and has high replacement efficiency. One end of the internally threaded casing 31 facing the outlet pipe 12 is fixedly connected with a sealing washer 32. The sealing washer 32 can be made of sealing silicone or rubber. The end of the internally threaded casing 31 is mainly used to face the filter box 1. The squeezing effect of the inner wall makes the sealing gasket 32 between the two, thereby using the squeezing force to maintain the sealing between the internal thread sleeve 31 and the inner wall of the filter box 1, so that the liquid inside the filter box 1 can only It can enter the position of the external threaded pipe head 33 through the filter screen 3, thereby smoothly discharging from the outlet pipe 12, increasing the sealing of the installation of the filter screen 3, and improving the filtration effect of the liquid;

The top of the filter box 1 is provided with a loop-shaped slot 13 for the engagement and positioning of the box cover 2. The top of the box cover 2 is fixedly connected with an auxiliary handle 22. The loop-shaped slot 13 cooperates with the box cover 2 so that the box cover 2 can be engaged. On the inner top of the filter box 1, it is convenient for the box cover 2 to be installed and positioned on the filter box 1. The bottom end of the box cover 2 is fixedly connected with a loop seal 23 that matches the loop slot 13. The loop seal 23 is provided , mainly to improve the sealing between the box cover 2 and the loop-shaped slot 13, thereby maintaining the sealing property of the box cover 2 to the top of the filter box 1, to avoid causing liquid leakage and affecting the use effect of the filter box 1;

Positioning rods 14 are fixedly connected to the corners of the loop-shaped slot 13, and positioning through holes 21 matching the positioning rods 14 are provided at the corners at the top of the box cover 2. The positioning rods 14 cooperate with the positioning through holes 21 to enable When the box cover 2 is installed, the positioning is more convenient and accurate. At the same time, by installing a limiter on the positioning rod 14 to limit the upper part of the box cover 2, the fixation between the box cover 2 and the filter box 1 can be achieved;

The top of the outer wall of the positioning rod 14 is provided with an external thread 15, and the outer wall of the positioning rod 14 is threadedly connected to an internally threaded pipe 24 through the external thread 15. The internally threaded pipe 24 is threadedly connected to the external thread 15 on the outer wall of the positioning rod 14, so that the internally threaded pipe 24 rotates Set to the outer wall of the positioning rod 14, the limiter can be used to realize the extrusion limit on the top of the box cover 2, keeping the box cover 2 firmly installed in the loop-shaped slot 13 of the filter box 1, and the bottom of the internally threaded pipe 24 is fixedly connected There is a washer 25, which is made of hard material. Its main function is to increase the contact area between the internally threaded pipe 24 and the box cover 2, thereby increasing the strength of the extrusion limiter of the box cover 2.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent substitutions on some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model, All should be included in the protection scope of this utility model.

Claims (6)

1. A filter apparatus for facilitating filter screen replacement, comprising:

the filter box (1), both sides of the filter box (1) are respectively provided with a water inlet pipe (11) and a water outlet pipe (12);

the box cover (2) is used for sealing the top end of the filter box (1);

the filter screen (3) is arranged at the position of a water outlet pipe (12) in the filter box (1);

the method is characterized in that: the filter screen (3) is cylindrical and is in threaded connection with the external thread tube head (33).

2. The filtering device convenient for replacing the filter screen according to claim 1, wherein one end of the filter screen (3) opposite to the water outlet pipe (12) is fixedly connected with an inner threaded sleeve (31), and the inner wall of the inner threaded sleeve (31) is in threaded connection with an outer threaded pipe head (33).

3. The filtering device for facilitating the replacement of the filter screen according to claim 2, wherein a sealing washer (32) is fixedly connected to one end, opposite to the water outlet pipe (12), of the internally threaded sleeve (31), and one end, far away from the water outlet pipe (12), of the filter screen (3) is round-headed.

4. The filtering equipment for facilitating filter screen replacement according to claim 1, wherein a clip groove (13) for clip positioning of the box cover (2) is formed in the top end of the filtering box (1), an auxiliary handle (22) is fixedly connected to the top end of the box cover (2), and a clip gasket (23) matched with the clip groove (13) is fixedly connected to the bottom end of the box cover (2).

5. The filtering device for replacing the filter screen according to claim 4, wherein the locating rods (14) are fixedly connected to the corners of the clip grooves (13), and locating through holes (21) matched with the locating rods (14) are formed in the corners of the top end of the box cover (2).

6. The filtering device for facilitating filter screen replacement according to claim 5, wherein an external thread (15) is arranged at the top of the outer wall of the positioning rod (14), the outer wall of the positioning rod (14) is in threaded connection with an internal thread pipe (24) through the external thread (15), and a gasket (25) is fixedly connected to the bottom of the internal thread pipe (24).