Multi-layer filtering device

Abstract

The utility model discloses a multi-layer filtering device which comprises a valve body, a separating plate is fixedly connected in the valve body, a filtering body is arranged in the valve body and located in the separating plate, a plurality of filtering holes are formed in the filtering body at equal intervals, and two net fixing plates are fixedly connected in the filtering body and located above the filtering holes. The beneficial effects of the utility model are that: the utility model discloses a novel structure, simple to operate, easy to handle, not only compact structure, but also practicality is stronger, and it is more convenient to use. Compared with a traditional device, the filter holes are formed, so that oversized impurities in water flow can be filtered; by arranging the filter screen, the cellulose filter element, PP cotton, quartz sand, filter cotton, an ultrafiltration membrane and activated carbon, water flow can be subjected to multi-layer filtration treatment, impurities can be filtered, pungent smell in water can be adsorbed, and then safety and health guarantee is provided for use of people.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid control valves, in particular to a multi-layer filtering device. Background Art

[0002] In life, valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. According to their functions, they can be divided into shut-off check valves, regulating valves, etc.

[0003] The existing fluid control valve only has the function of controlling the fluid flow when in use, and does not have a method for filtering the water flow, and does not have multi-layer filtration. This will cause certain impurities in the water flow, which will affect people's normal use and have a certain impact on human health. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-layer filtering device to solve the problem that the existing fluid control valve proposed in the above background technology only has the function of controlling the fluid flow when in use, does not have a processing method for filtering the water flow, and does not have multi-layer filtering, which will cause certain impurities in the water flow to affect people's normal use, and thus have a certain impact on human health.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a multi-layer filtering device, comprising a valve body, a separation plate fixedly connected to the interior of the valve body, a filter body arranged inside the valve body and located inside the separation plate, a plurality of filter holes equidistantly provided inside the filter body, two fixed mesh plates fixedly connected to the interior of the filter body and located above the filter holes, a filter screen fixedly connected to the interior of the filter body and located on one side of the fixed mesh plate, a cellulose filter element fixedly connected to the interior of the filter body and located between the two filter screens, PP cotton fixedly connected to the interior of the filter body and located above the cellulose filter element, quartz sand arranged inside the filter body and located above the PP cotton, filter cotton fixedly connected to the interior of the filter body and located above the quartz sand, an ultrafiltration membrane fixedly connected to the interior of the filter body and located above the filter cotton, and activated carbon fixedly connected to the interior of the filter body and located above the ultrafiltration membrane.

[0006] As a preferred solution of the utility model: limiting blocks are fixedly connected to both sides of the filter body and located inside the separation plate, so as to limit the filter body.

[0007] As a preferred solution of the utility model: a first sliding groove is opened inside the filter body and on the side of the limit block away from the filter body, the inner walls of the two first sliding grooves are slidably connected with a first slider, one side of the first slider and located in the first sliding groove is fixedly connected with a first spring, and the side of the first slider away from the first spring is fixedly connected with a hemispherical block, which can perform preliminary position limitation when the filter body is installed.

[0008] As a preferred solution of the utility model: a disassembly plate is fixedly connected to the bottom of the filter body, and a sealing ring is arranged above the disassembly plate and on the outside of the filter body to improve the sealing performance.

[0009] As a preferred solution of the utility model: the internal thread connection of the disassembly plate is connected with two bolts, and the two bolts are threadedly connected with the valve body, so as to facilitate the installation and fixation of the disassembly plate.

[0010] As a preferred solution of the utility model: two second sliding grooves are provided inside the valve body, the inner walls of the two second sliding grooves are slidably connected with second sliders, the bottom of the second slider is fixedly connected with a connecting rod, and a second spring is sleeved on the outside of the connecting rod and located below the second slider, which can facilitate the resetting of the second slider.

[0011] As a preferred solution of the utility model: the bottom of the connecting rod is rotatably connected with a rotating plate, which can facilitate the position reinforcement of the disassembly plate.

[0012] As a preferred solution of the utility model: a handle is fixedly connected to the bottom of the disassembly plate to facilitate holding the disassembly plate.

[0013] The beneficial effects of the utility model are as follows: the utility model has a novel structure, is simple to operate, and is easy to use. It is not only compact in structure, but also more practical. Compared with traditional devices, the utility model can filter out impurities that are too large in the water flow by providing filter holes; by providing a filter screen, a cellulose filter element, PP cotton, quartz sand, filter cotton, an ultrafiltration membrane and activated carbon, the water flow can be filtered in multiple layers, which can not only filter out impurities but also adsorb irritating odors in the water, thereby providing safety and health protection for people's use; by providing a fixed mesh plate, the position of the filtering mechanism provided in the two filter screens can be reinforced to prevent position changes that affect use during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the filter body of the utility model;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of the rotating plate of the utility model;

[0018] Figure 5 This is a structural schematic diagram of the fixed mesh plate of the utility model;

[0019] Figure 6 It is an enlarged view of point A of the utility model;

[0020] Figure 7 It is an enlarged view of point B of the present utility model.

[0021] In the figure: 1. valve body; 2. separation plate; 3. filter body; 4. filter hole; 5. fixed mesh plate; 6. filter screen; 7. activated carbon; 8. ultrafiltration membrane; 9. filter cotton; 10. quartz sand; 11. PP cotton; 12. cellulose filter element; 13. first slide groove; 14. first slider; 15. first spring; 16. hemispherical block; 17. limit block; 18. disassembly plate; 19. sealing ring; 20. second slide groove; 21. second slider; 22. connecting rod; 23. second spring; 24. rotating plate; 25. bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 7The utility model provides a technical solution: a multi-layer filtering device, including a valve body 1, a separation plate 2 is fixedly connected inside the valve body 1, a filter body 3 is arranged inside the valve body 1 and located inside the separation plate 2, a plurality of filter holes 4 are equidistantly opened inside the filter body 3, two fixed mesh plates 5 are fixedly connected inside the filter body 3 and located above the filter holes 4, a filter screen 6 is fixedly connected inside the filter body 3 and located on one side of the fixed mesh plate 5, a cellulose filter element 12 is fixedly connected inside the filter body 3 and located between the two filter screens 6, a PP cotton 11 is fixedly connected inside the filter body 3 and located above the cellulose filter element 12, a quartz sand 10 is arranged inside the filter body 3 and located above the PP cotton 11, and a quartz sand 10 is arranged inside the filter body 3 and located above the quartz sand 10 A filter cotton 9 is fixedly connected, an ultrafiltration membrane 8 is fixedly connected inside the filter body 3 and above the filter cotton 9, and activated carbon 7 is fixedly connected inside the filter body 3 and above the ultrafiltration membrane 8. The filter hole 4 can filter out impurities that are too large in the water flow; by providing a filter screen 6, a cellulose filter element 12, PP cotton 11, quartz sand 10, filter cotton 9, an ultrafiltration membrane 8 and activated carbon 7, the water flow can be filtered in multiple layers, which can not only filter impurities but also adsorb irritating odors in the water, thereby providing safety and health protection for people's use; by providing a fixed mesh plate 5, the position of the filtering mechanism set in the two filter screens 6 can be reinforced to prevent position changes that affect use during long-term use.

[0024] The two sides of the filter body 3 are fixedly connected to the limiting blocks 17 located in the separation plate 2, which can limit the filter body 3; a first slide groove 13 is provided inside the filter body 3 and on the side of the limiting block 17 away from the filter body 3, and the inner walls of the two first slide grooves 13 are slidably connected with the first sliders 14, one side of the first slider 14 and located in the first slide groove 13 is fixedly connected with a first spring 15, and the side of the first slider 14 away from the first spring 15 is fixedly connected with a hemispherical block 16, which can perform preliminary position limitation when installing the filter body 3; a disassembly plate 18 is fixedly connected to the bottom of the filter body 3, and a sealing ring 19 is provided above the disassembly plate 18 and on the outside of the filter body 3, which can provide High sealing performance; the internal thread connection of the disassembly plate 18 is connected with two bolts 25, and the two bolts 25 are threadedly connected with the valve body 1, so as to facilitate the installation and fixing of the disassembly plate 18; two second slide grooves 20 are provided inside the valve body 1, and the inner walls of the two second slide grooves 20 are slidably connected with the second slider 21, and the bottom of the second slider 21 is fixedly connected with a connecting rod 22, and a second spring 23 is sleeved on the outer side of the connecting rod 22 and located below the second slider 21, so as to facilitate the resetting of the second slider 21; the bottom of the connecting rod 22 is rotatably connected with a rotating plate 24, so as to facilitate the position reinforcement of the disassembly plate 18; the bottom of the disassembly plate 18 is fixedly connected with a handle, so as to facilitate the holding of the disassembly plate 18.

[0025] Specifically, when the valve body 1 is used, it is installed at a suitable position, and the valve body 1 is used as Figure 1 Water enters from the left side of the filter body 3, and then filters out impurities that are too large through the filter holes 4 in the filter body 3, and then filters out impurities through the filter screen 6, and filters impurities and pungent odors in the water through the cellulose filter element 12, PP cotton 11, quartz sand 10, filter cotton 9, ultrafiltration membrane 8 and activated carbon 7. The filter screen 6 can be limited and fixed by two fixed mesh plates 5. When it is necessary to take out the filter body 3, first rotate the bolt 25 to take it out, and then pull the rotating plate 24 to drive the second slider 21 on the connecting rod 22 to slide in the second slide groove 20, so that the second slider 21 compresses the second spring 23, and when the rotating plate 24 is away from After the disassembly plate 18 is disassembled, it is rotated away from the disassembly plate 18, and then the rotating plate 24 is loosened, so that the second spring 23 applies a force to the second slider 21 to reset it, and then the disassembly plate 18 is pulled by the handle to remove the filter body 3. When the filter body 3 moves, it drives the two limit blocks 17 to push the hemispherical block 16, so that the hemispherical block 16 drives the first slider 14 to slide in the first slide groove 13 and compress the first spring 15, so that the hemispherical block 16 no longer limits the position of the filter body 3, and then the filter body 3 can be taken out. When the filter body 3 needs to be installed and used, the above operation can be performed in reverse.

[0026] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0028] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-layer filtering device, comprising a valve body (1), characterized in that: The valve body (1) is fixedly connected to a separation plate (2), a filter body (3) is arranged inside the valve body (1) and located inside the separation plate (2), a plurality of filter holes (4) are equidistantly provided inside the filter body (3), two fixed mesh plates (5) are fixedly connected inside the filter body (3) and located above the filter holes (4), a filter screen (6) is fixedly connected inside the filter body (3) and located on one side of the fixed mesh plate (5), and a cellulose filter element (1) is fixedly connected inside the filter body (3) and located between the two filter screens (6). 2), a PP cotton (11) is fixedly connected inside the filter body (3) and located above the cellulose filter element (12), quartz sand (10) is arranged inside the filter body (3) and located above the PP cotton (11), a filter cotton (9) is fixedly connected inside the filter body (3) and located above the quartz sand (10), an ultrafiltration membrane (8) is fixedly connected inside the filter body (3) and located above the filter cotton (9), and activated carbon (7) is fixedly connected inside the filter body (3) and located above the ultrafiltration membrane (8).

2. A multi-layer filtration device according to claim 1, characterized in that: Limiting blocks (17) are fixedly connected on both sides of the filter body (3) and located inside the separation plate (2).

3. A multi-layer filtration device according to claim 2, characterized in that: A first sliding groove (13) is provided inside the filter body (3) and on a side of the limit block (17) away from the filter body (3); the inner walls of the two first sliding grooves (13) are slidably connected with first sliders (14); a first spring (15) is fixedly connected to one side of the first slider (14) and located in the first sliding groove (13); and a hemispherical block (16) is fixedly connected to the side of the first slider (14) away from the first spring (15).

4. A multi-layer filtration device according to claim 1, characterized in that: A disassembly plate (18) is fixedly connected to the bottom of the filter body (3), and a sealing ring (19) is provided above the disassembly plate (18) and on the outside of the filter body (3).

5. A multi-layer filtration device according to claim 4, characterized in that: The disassembly plate (18) is internally threadedly connected with two bolts (25), and the two bolts (25) are threadedly connected to the valve body (1).

6. A multi-layer filtration device according to claim 1, characterized in that: Two second slide grooves (20) are provided inside the valve body (1), the inner walls of the two second slide grooves (20) are slidably connected with a second slider (21), the bottom of the second slider (21) is fixedly connected with a connecting rod (22), and a second spring (23) is sleeved on the outer side of the connecting rod (22) and located below the second slider (21).

7. A multi-layer filtration device according to claim 6, characterized in that: The bottom of the connecting rod (22) is rotatably connected to a rotating plate (24).

8. A multi-layer filtration device according to claim 4, characterized in that: A handle is fixedly connected to the bottom of the disassembly plate (18).

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