Filter convenient to assemble and disassemble

Abstract

A T-shaped groove is formed in the lower surface of a cover plate, protrusions are arranged on the two sides of the upper portion of a partition plate so as to be connected with the T-shaped groove in a sliding mode, the partition plate is connected with the cover plate through the structure, installation and detachment can be achieved without bolts or tools, meanwhile, clamping grooves are formed in the inner walls of the two sides and the bottom of a barrel, and therefore the filter is convenient to assemble and disassemble. The two sides and the bottom of the partition plate are all matched with the clamping grooves in the inner wall of the cylinder body, on the premise that the partition plate is not fastened through bolts, the stability of the partition plate is greatly improved through matching of the clamping grooves and the partition plate, the connection sealing performance between the partition plate and the inner wall of the cylinder body is guaranteed, water is prevented from leaking between the partition plate and the inner wall of the cylinder body, and therefore the filtering effect is guaranteed; and the lower part of the cylinder body is also provided with a backwashing outlet, so that backwashing is realized, and the frequency of manually cleaning the filter screen is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter which is convenient for assembly and disassembly. Background Art

[0002] A filter is an indispensable device on a pipeline for conveying a medium, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve, and other equipment. After the water to be treated passes through the filter cartridge of the filter screen, its impurities are blocked.

[0003] At present, when cleaning is required, the detachable filter cartridge is taken out, processed and then reinstalled. This cleaning structure is not convenient enough, and the cleaning efficiency is low. At present, the filter cartridge is generally connected to the cover plate by bolts. When cleaning, the filter cartridge also needs to be disassembled by bolts, and the operation is also not convenient enough. Therefore, it is extremely convenient to use and maintain. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a filter which is convenient for assembly and disassembly. A T-shaped groove is formed on the lower surface of the cover plate, and protrusions are arranged on both sides of the upper part of the partition plate to be slidably connected with the T-shaped groove. The partition plate is connected to the cover plate through this structure, and installation and disassembly can be realized without using bolts or tools. At the same time, clamping grooves are formed on the inner walls of both sides and the bottom of the cylinder body, and both sides and the bottom of the partition plate are matched with the clamping grooves on the inner wall of the cylinder body. Without using bolts to fasten the partition plate, the partition plate is matched through the clamping grooves, greatly improving the stability of the partition plate and ensuring the sealing performance of the connection between the partition plate and the inner wall of the cylinder body, avoiding water leakage between the partition plate and the inner wall of the cylinder body, and thus ensuring the filtering effect. An anti-flushing discharge port is also arranged at the lower part of the cylinder body, so as to realize anti-flushing and reduce the frequency of manual cleaning of the filter screen, so as to solve the problems put forward in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A filter which is convenient for assembly and disassembly, comprising a cylinder body, a cover plate, a partition plate and a filter screen. A base is arranged at the bottom of the cylinder body, a connecting boss is arranged on the periphery of the upper part of the cylinder body, the cover plate is arranged on the upper surface of the cylinder body and is fixedly connected with the connecting boss by bolts. Inlet and outlet ports are arranged on both sides of the lower part of the cylinder body. Clamping grooves are formed on the inner walls of both sides and the bottom of the cylinder body. A T-shaped groove is formed on the lower surface of the cover plate along the diameter direction. Protrusions are arranged on both sides of the upper part of the partition plate. The protrusions on the upper part of the partition plate are inserted into the T-shaped groove on the lower surface of the cover plate. The partition plate is inserted into the cylinder body. Both sides and the bottom of the partition plate are inserted into the clamping grooves on the inner walls of both sides and the bottom of the cylinder body. An anti-flushing discharge port is arranged at the lower part of the cylinder body and close to one side of the inlet port;

[0006] A through slot is formed through the upper portion of the partition, a limiting boss is provided inside the through slot, a filter screen and a pressing frame are provided inside the through slot, the filter screen is pressed between the pressing frame and the limiting boss, and the pressing frame is fastened to the limiting boss by screws.

[0007] Preferably, the utility model provides a filter that is easy to assemble and disassemble, wherein the water inlet and the water outlet are located on the same axis, and the axes of the water inlet and the water outlet are perpendicular to the partition.

[0008] Preferably, the utility model provides a filter that is easy to assemble and disassemble, wherein an annular groove is provided on the upper surface of the connecting boss and a sealing ring is arranged in the annular groove, and the cover plate is pressed on the upper surface of the sealing ring.

[0009] Preferably, the utility model provides a filter that is easy to assemble and disassemble, wherein the backwash outlet is provided with a sealing cover.

[0010] Preferably, the utility model provides a filter that is easy to assemble and disassemble, wherein a handle is provided on the upper surface of the cover plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) A T-shaped groove is provided on the lower surface of the cover plate, and protrusions are provided on both sides of the upper part of the partition plate to be slidably connected with the T-shaped groove. The partition plate is connected to the cover plate through this structure, and can be installed and removed without using bolts or tools. At the same time, the inner walls on both sides and the bottom of the cylinder are provided with card grooves, and the two sides and the bottom of the partition plate are matched with the card grooves on the inner wall of the cylinder. Without using bolts to tighten the partition plate, the card grooves cooperate with the partition plate, which greatly improves the stability of the partition plate and ensures the sealing of the connection between the partition plate and the inner wall of the cylinder, thereby preventing water from leaking between the partition plate and the inner wall of the cylinder, thereby ensuring the filtering effect.

[0013] (2) A backwash outlet is also provided at the bottom of the cylinder to achieve backwashing and reduce the frequency of manual cleaning of the filter.

[0014] (3) The through groove of the partition is opened at the upper part, and the filter is installed in the through groove to prevent water from directly impacting the filter after entering the cylinder from the water inlet, thereby reducing the situation where impurities are forced to pass through the filter due to impact pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cylinder structure from a top view;

[0017] Figure 3 is a schematic diagram of the cover plate structure;

[0018] Figure 4 is attached Figure 1 Schematic enlarged structure diagram of the marked position A in the figure;

[0019] Figure 5 Schematic diagram of the partition structure.

[0020] In the figure: cylinder body 1, cover plate 2, partition 3, filter screen 4, base 5, connecting boss 6, water inlet 7, water outlet 8, card slot 9, T-shaped slot 10, protrusion 11, backwash discharge port 12, through slot 13, limit boss 14, pressing frame 15, sealing ring 16, sealing cover 17, handle 18. Specific embodiments

[0021] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention;

[0022] It should be noted that in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inside", "outside", "above", "below", "both sides", "one end", "the other end", "left", "right", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 construed as a limitation of the present invention.

[0023] Please refer to Figures 1-5, the present utility model provides a technical solution: a filter that is convenient for assembly and disassembly, including a cylinder body 1, a cover plate 2, a partition plate 3 and a filter screen 4. A base 5 is provided at the bottom of the cylinder body 1, and a connecting boss 6 is provided on the periphery of the upper part of the cylinder body 1. The cover plate 2 is arranged on the upper surface of the cylinder body 1 and is fixedly connected to the connecting boss 6 by bolts. An annular groove is formed on the upper surface of the connecting boss 6, and a sealing ring 16 is arranged in the annular groove. The cover plate 2 is pressed on the upper surface of the sealing ring 16 to ensure the sealing performance at the connection between the cover plate 2 and the cylinder body 1 and avoid water leakage. A handle 18 is provided on the upper surface of the cover plate 2 to facilitate the movement of the filter through 18. Water inlets 7 and water outlets 8 are provided on both sides of the lower part of the cylinder body 1. Card slots 9 are formed on both sides and the bottom of the inner wall of the cylinder body 1. A T-shaped groove 10 is formed on the lower surface of the cover plate 2 along the diameter direction. Protrusions 11 are provided on both sides of the upper part of the partition plate 3. The protrusions 11 on the upper part of the partition plate 3 are inserted into the T-shaped groove 10 on the lower surface of the cover plate 2. The partition plate 3 is inserted into the cylinder body 1, and both sides and the bottom of the partition plate 3 are inserted into the card slots 9 on both sides and the bottom of the inner wall of the cylinder body 1. The water inlets 7 and the water outlets 8 are on the same axis, and the axes of the water inlets 7 and the water outlets 8 are perpendicular to the partition plate 3 to ensure that the water inlets 7 and the water outlets 8 are respectively on both sides of the partition plate 3. A backwash discharge port 12 is provided on the lower part of the cylinder body 1 and close to one side of the water inlet 7. A sealing cover 17 is provided at the backwash discharge port 12 to ensure that the backwash discharge port 12 is in a sealed state during normal filtration;

[0024] A through groove 13 is formed through the upper part of the partition plate 3. A limiting boss 14 is arranged inside the through groove 13. A filter screen 4 and a pressing frame 15 are arranged in the through groove 13. The filter screen 4 is pressed between the pressing frame 15 and the limiting boss 14, and the pressing frame 15 is fixedly connected to the limiting boss 14 by screws.

[0025] Usage method and principle: First, place the filter screen 4 into the through groove 13 of the partition plate 3. Then, place the pressing frame 15 into the through groove 13 of the partition plate 3 and fasten it with bolts. At this time, the filter screen 4 is pressed by the pressing frame 15. Place the rubber ring into the annular groove of the connecting boss 6. Insert the upper part of the partition plate 3 into the T-shaped groove 10 on the lower surface of the cover plate 2 through the protrusions 11 on both sides. Align the partition plate 3 with the clamping grooves 9 on both sides of the cylinder body 1, and insert both sides of the partition plate 3 into the clamping grooves 9 on both sides of the cylinder body 1 until the bottom of the partition plate 3 is inserted into the clamping groove 9 at the inner bottom end of the cylinder body 1. At this time, the cover plate 2 presses on the sealing ring 16, and then fasten the cover plate 2 and the connecting boss 6 with bolts to complete the installation. When in use, connect the water inlet pipe to the water inlet 7 and the water outlet pipe to the water outlet 8. Water enters the cylinder body 1 from the water inlet 7, then passes through the filter screen 4 and is discharged from the water outlet 8. The impurities are isolated in the inner cavity on the side close to the water inlet 7 inside the cylinder body 1. When cleaning, make the backwashing water enter the cylinder body 1 through the water outlet 8. At this time, the water inlet 7 is closed by an external valve. The backwashing water passes through the filter screen 4 and is discharged from the backwashing discharge port 12. At the same time, the impurities remaining inside the cylinder body 1 are also discharged from the backwashing discharge port 12. The structure of the present utility model is reasonable. The lower surface of the cover plate 2 is provided with a T-shaped groove 10, and the upper parts on both sides of the partition plate 3 are provided with protrusions 11 to slidably connect with the T-shaped groove 10. The partition plate 3 is connected to the cover plate 2 through this structure, and installation and disassembly can be achieved without using bolts or tools. At the same time, clamping grooves 9 are provided on the inner walls of both sides and the bottom of the cylinder body 1, and both sides and the bottom of the partition plate 3 are matched with the clamping grooves 9 on the inner wall of the cylinder body 1. Without using bolts to fasten the partition plate 3, the partition plate 3 is matched with the clamping grooves 9, which greatly improves the stability of the partition plate 3 and ensures the sealing performance of the connection between the partition plate 3 and the inner wall of the cylinder body 1, avoiding water leakage between the partition plate 3 and the inner wall of the cylinder body 1, thereby ensuring the filtering effect. A backwashing discharge port 12 is also provided at the lower part of the cylinder body 1 to achieve backwashing, reducing the frequency of manual cleaning of the filter screen 4. The partition plate 3 is provided with a through groove 13 at the upper part, and the filter screen 4 is installed in the through groove 13, avoiding the direct impact of water on the filter screen 4 after entering the cylinder body 1 from the water inlet 7 and reducing the situation where impurities forcefully pass through the filter screen 4 due to the impact pressure.

[0026] For those parts not detailed in the present utility model, they are all well-known technologies to those skilled in the art.

[0027] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit them. Although the present utility model has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified and equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A filter that is convenient for assembly and disassembly, characterized in that: It includes a cylinder body (1), a cover plate (2), a partition plate (3) and a filter screen (4). A base (5) is provided at the bottom of the cylinder body (1). A connecting boss (6) is provided on the periphery of the upper part of the cylinder body (1). The cover plate (2) is arranged on the upper surface of the cylinder body (1) and is fixedly connected to the connecting boss (6) by bolts. Water inlets (7) and water outlets (8) are provided on both sides of the lower part of the cylinder body (1). Slots (9) are opened on both sides and at the bottom of the inner wall of the cylinder body (1). A T-shaped groove (10) is opened on the lower surface of the cover plate (2) along the diameter direction. Protrusions (11) are provided on both sides of the upper part of the partition plate (3). The protrusions (11) on the upper part of the partition plate (3) are inserted into the T-shaped groove (10) on the lower surface of the cover plate (2). The partition plate (3) is inserted into the cylinder body (1). Both sides and the bottom of the partition plate (3) are inserted into the slots (9) on both sides and at the bottom of the inner wall of the cylinder body (1). A backwash discharge port (12) is provided on one side of the lower part of the cylinder body (1) close to the water inlet (7). A through groove (13) is opened through the upper part of the partition plate (3). A limiting boss (14) is provided inside the through groove (13). A filter screen (4) and a pressing frame (15) are arranged in the through groove (13). The filter screen (4) is pressed between the pressing frame (15) and the limiting boss (14). The pressing frame (15) is fixedly connected to the limiting boss (14) by screws.

2. The filter according to claim 1, which is easy to assemble and disassemble, is characterized in that: The water inlets (7) and the water outlets (8) are on the same axis. The axes of the water inlets (7) and the water outlets (8) are perpendicular to the partition plate (3).

3. The filter according to claim 1, which is convenient for assembly and disassembly, is characterized in that: An annular groove is opened on the upper surface of the connecting boss (6) and a sealing ring (16) is arranged in the annular groove. The cover plate (2) is pressed on the upper surface of the sealing ring (16).

4. A filter that is easy to assemble and disassemble according to claim 1, characterized in that: A sealing cover (17) is provided at the backwash discharge port (12).

5. A filter that is easy to assemble and disassemble according to claim 1, characterized in that: A handle (18) is provided on the upper surface of the cover plate (2).

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