CN220142739U - Filtration equipment convenient for filter screen replacement - Google Patents

Abstract

The utility model discloses a filtering device convenient for replacing a filter screen, which comprises: the filter box is provided with a water inlet pipe and a water outlet pipe at two sides respectively; the box cover is used for sealing the top end of the filter box; the filter screen, it installs in the filter tank internal water outlet pipe position, filter tank inner wall and outlet pipe correspond department fixedly connected with external screw thread tube head, the filter screen is cylinder tube-shape and with external screw thread tube head threaded connection. According to the utility model, the cylindrical filter screen is arranged in the filter box, so that the contact area between the filter screen and the inner wall of the filter box is reduced while the filter area is enough, the sealing difficulty is reduced, and the convenience of disassembly and assembly of the filter screen can be improved by matching with the external thread tube head which is arranged at the position of the water outlet pipe of the inner wall of the filter box and is in threaded connection with the filter screen, so that the convenience of use of filter equipment is improved.

Description

Filtration equipment convenient for filter screen replacement

Technical Field

The utility model relates to the technical field of filtering equipment, in particular to filtering equipment convenient for replacing a filter screen.

Background

When the liquid is conveyed in the pipeline, in order to improve the quality of the conveyed liquid, a filtering device is required to be arranged between the pipeline joints to filter the conveyed liquid, so that the quality of the conveyed liquid is improved.

At present, filtering equipment generally filters water through a filter screen, and the filter screen in the existing filtering equipment is generally in a straight plate shape, so that not only is assembly and disassembly inconvenient, but also the area of contact with the inner side of the filtering equipment is larger, so that the required sealing positions of the filter screen are more, and the sealing performance of the filter screen in the filtering equipment is affected.

Disclosure of Invention

The utility model aims to provide a filtering device which is convenient for replacing a filter screen, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a filter apparatus for facilitating filter screen replacement, comprising:

the filter box is provided with a water inlet pipe and a water outlet pipe at two sides respectively;

the box cover is used for sealing the top end of the filter box;

the filter screen is arranged at the position of a water outlet pipe in the filter box;

the filter screen is cylindrical and is in threaded connection with the external thread tube head.

Preferably, one end of the filter screen, which is opposite to the water outlet pipe, is fixedly connected with an internal thread sleeve, and the inner wall of the internal thread sleeve is in threaded connection with the external thread pipe head.

Preferably, one end of the internal thread sleeve, which is opposite to the water outlet pipe, is fixedly connected with a sealing washer, and one end of the filter screen, which is far away from the water outlet pipe, is round.

Preferably, the filter box top is offered and is used for the shape draw-in groove that returns of case lid block location, case lid top fixedly connected with auxiliary handle, case lid bottom fixedly connected with and the shape sealing gasket that returns shape draw-in groove assorted returns.

Preferably, the corners of the clip grooves are fixedly connected with positioning rods, and the corners of the top end of the box cover are provided with positioning through holes matched with the positioning rods.

Preferably, the top of the outer wall of the positioning rod is provided with external threads, the outer wall of the positioning rod is connected with an internal thread pipe through external threads, and the bottom of the internal thread pipe is fixedly connected with a gasket.

The utility model has the technical effects and advantages that:

according to the utility model, the cylindrical filter screen is arranged in the filter box, so that the contact area between the filter screen and the inner wall of the filter box is reduced while the filter area is enough, the sealing difficulty is reduced, and the convenience of disassembly and assembly of the filter screen can be improved by matching with the external thread tube head which is arranged at the position of the water outlet pipe of the inner wall of the filter box and is in threaded connection with the filter screen, so that the convenience of use of filter equipment is improved.

Drawings

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

Fig. 2 is a schematic perspective view of a filter box according to the present utility model.

Fig. 3 is a schematic perspective view of a case cover according to the present utility model.

Fig. 4 is a schematic view of the internal part structure of the filter box of the present utility model.

In the figure: 1. a filter box; 11. a water inlet pipe; 12. a water outlet pipe; 13. a clip groove in a shape of a circle; 14. a positioning rod; 15. an external thread; 2. a case cover; 21. positioning the through hole; 22. an auxiliary handle; 23. a loop-shaped gasket; 24. an internally threaded tube; 25. a gasket; 3. a filter screen; 31. an internally threaded sleeve; 32. a sealing gasket; 33. an external thread tube head.

Detailed Description

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

The present utility model provides a filter apparatus for facilitating filter screen replacement as shown in fig. 1-4, comprising:

the filter box 1, the two sides of the filter box 1 are respectively provided with a water inlet pipe 11 and a water outlet pipe 12, the water inlet pipe 11 and the water outlet pipe 12 are arranged in a vertically staggered way, the installation height of the water inlet pipe 11 on the filter box 1 is higher than the installation height of the water outlet pipe 12, and the ports of the water inlet pipe 11 and the water outlet pipe are horizontally moved with the inner wall of the filter box 1 and are kept in a communicating state;

the box cover 2 is used for sealing the top end of the filter box 1 and sealing the opening at the top end of the filter box 1, so that the top end of the filter box 1 can be opened, the inside of the filter box is convenient to clean, and meanwhile, the filter screen 3 in the filter box can be disassembled, assembled, replaced or overhauled, a drain pipe can be additionally arranged on the filter box 1, and the filter box is used for independently discharging sewage after the inside of the filter box 1 is cleaned and is convenient to use;

the filter screen 3, it installs in the outlet pipe 12 position in rose box 1, also can install the inlet tube 11 position at rose box 1 inner wall, mainly carry out a partition to the liquid that gets into rose box 1 and the liquid of discharge rose box 1, reach the filterable purpose of liquid, rose box 1 inner wall and outlet pipe 12 correspond department fixedly connected with external screw thread tube head 33, filter screen 3 is cylindrical tube-shape and with external screw thread tube head 33 threaded connection, threaded connection through filter screen 3 and external screw thread tube head 33, make filter screen 3's easy dismounting, increase its convenience and efficiency of changing, filter screen 3 keeps away from the one end of outlet pipe 12 and is the button head form, filter screen 3 wholly is cylindric, can keep under the prerequisite that its outer wall filtration area is sufficient, reduce the contact shutoff area between filter screen 3 and the rose box 1 inner wall, thereby reduce the degree of difficulty to filter screen 3 at rose box 1 internal seal, not only reduce the operation degree of difficulty, improve filter screen 3 at rose box 1 internal installation sealed effect, its end is the button head form, can further improve filter screen 3's filtration area, and improve filter efficiency.

The filter screen 3 is fixedly connected with the internal thread sleeve 31 opposite to one end of the water outlet pipe 12, the inner wall of the internal thread sleeve 31 is in threaded connection with the external thread pipe head 33, the internal thread sleeve 31 and the filter screen 3 can be integrally fixed, or can be detachably fixed, the end of the filter screen 3 can be in threaded connection with the external thread pipe head 33 through the internal thread sleeve 31, the filter screen 3 is more easily and conveniently installed in the filter box 1, the replacement operation efficiency is high, the sealing gasket 32 is fixedly connected with the sealing gasket 32 opposite to one end of the water outlet pipe 12, the sealing gasket 32 can be made of sealing silica gel or rubber, the extrusion effect of the end face of the internal thread sleeve 31 on the inner wall of the filter box 1 is mainly utilized, the sealing gasket 32 is arranged between the internal thread sleeve 31 and the inner wall of the filter box 1, so that the tightness between the internal thread sleeve 31 and the inner wall of the filter box 1 is kept by utilizing the extrusion force effect, and liquid in the filter box 1 can only enter the position of the external thread pipe head 33 through the filter screen 3, thereby being smoothly discharged from the water outlet pipe 12, the sealing property of the filter screen 3 is increased, and the filtering effect on liquid is improved;

the top end of the filter box 1 is provided with a square clamping groove 13 for clamping and positioning the box cover 2, the top end of the box cover 2 is fixedly connected with an auxiliary handle 22, the square clamping groove 13 is matched with the box cover 2, so that the box cover 2 can be clamped at the top of the inner side of the filter box 1, the box cover 2 is convenient to mount and position on the filter box 1, the bottom end of the box cover 2 is fixedly connected with a square sealing gasket 23 matched with the square clamping groove 13, and the square sealing gasket 23 is mainly used for improving the sealing performance between the box cover 2 and the square clamping groove 13, so that the sealing performance of the box cover 2 to the top end of the filter box 1 is kept, liquid leakage is avoided, and the use effect of the filter box 1 is influenced;

the corners of the clip grooves 13 are fixedly connected with positioning rods 14, the corners of the top end of the box cover 2 are provided with positioning through holes 21 matched with the positioning rods 14, and the positioning rods 14 are matched with the positioning through holes 21, so that the box cover 2 can be positioned more conveniently and accurately when being mounted, and the upper part of the box cover 2 is limited by mounting limiting pieces on the positioning rods 14, so that the box cover 2 and the filter box 1 can be fixed;

the top of the outer wall of the positioning rod 14 is provided with an external thread 15, the outer wall of the positioning rod 14 is connected with an internal thread pipe 24 through the external thread 15 in a threaded manner, the internal thread pipe 24 is connected with the external thread 15 of the outer wall of the positioning rod 14 in a threaded manner, the internal thread pipe 24 is rotationally sleeved on the outer wall of the positioning rod 14, an effective limiting piece can be used for realizing extrusion limiting on the top end of the box cover 2, the box cover 2 is stably installed in the clip groove 13 of the filter box 1, the bottom of the internal thread pipe 24 is fixedly connected with a gasket 25, the gasket 25 is made of a hard material, and the main effect is to increase the contact area between the internal thread pipe 24 and the box cover 2, so that the strength for extrusion limiting on the box cover 2 is increased.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present 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).