Filter with filter element convenient to replace

Abstract

The utility model discloses a filter convenient for replacing a filter element, which comprises a protective shell, a sealing cap, a limiting component and a connecting component, and the sealing cap is sleeved outside the protective shell. Through the arrangement of the limiting assembly, a user only needs to press the pressing rod, under the assistance of the connecting piece, the pressing rod moves to drive the balance rod to rotate and the first spring to be compressed, the balance rod rotates to enable the second spring to be compressed and the limiting rod to move, and the limiting rod moves out of the limiting hole; by means of a positioning block and a positioning groove, the protection shell can be conveniently positioned in the follow-up installation process, a user can conveniently and rapidly disassemble and assemble the protection shell, then the filter element body is moved upwards and rotated along with the filter element body, the fixing block can be moved out of the limiting groove, and therefore the protection shell can be conveniently disassembled and assembled. Therefore, the filter element main body is disassembled, the filter element main body is quickly replaced, and the experience feeling of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to filters, in particular to a filter which is convenient for replacing a filter element. Background Art

[0002] The air and water resources in our daily life contain impurities. For the sake of human health, it is necessary to filter the air and water resources. The filter is a device for filtering water resources or air. There is a filter element inside the filter. Long-term use of the filter element will cause clogging and dirtiness, and the filter element needs to be replaced regularly. Therefore, a filter that is easy to replace the filter element is needed to facilitate the use of users.

[0003] The existing technology has the following shortcomings: when the existing filters are used, most of them are installed and fixed by threaded engagement, but the threaded engagement method is prone to thread slippage and thread misalignment during disassembly and assembly, which is inconvenient for users to replace the filter element, affecting the user experience;

[0004] In the prior art, "An activated carbon filter with easy filter element replacement" with publication number CN219050723U uses bolts to fix the top cover and the filter element. When replacing the filter element, the bolts need to be removed first before the filter element can be replaced. The filter is generally installed in a narrow area such as a washing sink, which makes it inconvenient to remove the bolts and inconvenient for users to replace the filter element. Utility Model Content

[0005] The purpose of the utility model is to provide a filter with an easy-to-replace filter element to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a filter that is easy to replace a filter element, comprising a protective housing, a sealing cap, a limit assembly and a connecting assembly, wherein the sealing cap is sleeved and installed outside the protective housing, a cavity is opened in the sealing cap, the limit assembly is installed in the sealing cap, and the connecting assembly is installed on the side wall of the sealing groove;

[0007] The limiting assembly includes two groups of positioning blocks, two groups of positioning grooves, two groups of connecting parts, a balance rod, a pressing rod, a No. 1 spring, a No. 2 spring and a mounting portion. The two groups of positioning blocks are symmetrically installed on the inner wall of the sealing cap, the two groups of positioning grooves are symmetrically opened on the side wall of the protective shell, the two groups of connecting parts are symmetrically installed in the sealing cap, the balance rod is rotatably installed in the connecting part, the pressing rod is rotatably installed on the side wall of one end of the balance rod, the No. 1 spring is installed on the symmetrical surface of the pressing rod, the No. 2 spring is installed on the side wall of the other end of the balance rod, and the mounting portion is installed in the sealing cap.

[0008] As a further preferred embodiment of the present technical solution, the mounting part includes a limiting rod, a limiting hole, a limiting cylinder, two groups of fixing blocks, a filter element body and a limiting groove, the limiting rod is rotatably mounted on the symmetrical surface of the No. 2 spring, the limiting hole is provided on the surface of the protective shell, the limiting cylinder is installed on the top inner side of the sealing cap, the two groups of fixing blocks are symmetrically installed on the inner wall of the limiting cylinder, the filter element body is installed in the limiting cylinder, and the limiting groove is provided on the top side wall of the filter element body.

[0009] As a further preferred embodiment of the present technical solution, the positioning block is arranged corresponding to the positioning groove, the connecting piece has a U-shaped structure, the pressing rod passes through the sealing cap and extends to the outside, and the No. 1 spring and the No. 2 spring are both connected to the inner wall of the sealing cap cavity.

[0010] As a further preferred embodiment of the present technical solution, the limiting rod is arranged corresponding to the limiting hole, the fixing block is arranged corresponding to the limiting groove, and the limiting groove is in a U-shaped structure.

[0011] As a further preferred embodiment of the present technical solution, the connecting assembly includes an inlet pipe, an outlet pipe, a connecting flange and a partition, the inlet pipe is installed on the top of the sealing cap, the outlet pipe is installed on the side wall of the sealing cap, the connecting flange is installed on one end of the inlet pipe and the outlet pipe, and the partition is installed on the top of the inner wall of the sealing cap.

[0012] As a further preferred embodiment of the present technical solution, the water inlet pipe and the water outlet pipe penetrate the sealing cap and extend to the inner wall, the water inlet pipe is communicated with the limiting cylinder, and the water outlet pipe is located on one side of the partition.

[0013] The utility model provides a filter that is easy to replace the filter element, and has the following beneficial effects:

[0014] (1) The utility model is provided with a limit assembly. When the filter element body needs to be replaced, the user only needs to press the pressing rod. With the assistance of the connecting piece, the movement of the pressing rod drives the balance rod to rotate and the No. 1 spring to compress. The rotation of the balance rod causes the No. 2 spring to compress and the limit rod to move. The limit rod is moved out of the limit hole, thereby releasing the limit fixation of the protective shell, and the protective shell falls off. The positioning block and the positioning groove can be used to facilitate the subsequent positioning of the protective shell during installation, so that the user can quickly disassemble and assemble the protective shell, and then move the filter element body upward. The fixing block can be moved out of the limit groove by rotating it, thereby completing the disassembly of the filter element body and realizing quick replacement of the filter element body, thereby improving the user experience.

[0015] (2) The utility model. By providing a connection assembly, the water inlet pipe, the water outlet pipe and the corresponding external water pipe can be connected together by using a connection flange, so that the subsequent filtration of water resources can be carried out, and the partition can be used to block the water resources and the water outlet pipe, so that the water resources can be fully filtered through the filter element body, thereby ensuring sufficient filtration of the water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the sealing cap structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the main structure of the filter element of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0020] Figure 5 This is a schematic diagram of the protective shell structure of the utility model.

[0021] In the figure: 1. Protective shell; 2. Sealing cap; 3. Limiting assembly; 4. Connecting assembly; 5. Positioning block; 6. Positioning groove; 7. Connecting piece; 8. Balance bar; 9. Pressing bar; 10. Spring No. 1; 11. Spring No. 2; 12. Mounting part; 13. Limiting rod; 14. Limiting hole; 15. Limiting cylinder; 16. Fixing block; 17. Filter element body; 18. Limiting groove; 19. Water inlet pipe; 20. Water outlet pipe; 21. Connecting flange; 22. Partition. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 3 and Figure 4As shown, in this embodiment, a filter that is easy to replace the filter element includes a protective shell 1, a sealing cap 2, a limiting component 3 and a connecting component 4, the sealing cap 2 is sleeved and installed on the outside of the protective shell 1, a cavity is opened in the sealing cap 2, the limiting component 3 is installed in the sealing cap 2, and the connecting component 4 is installed on the side wall of the sealing groove, the limiting component 3 includes two groups of positioning blocks 5, two groups of positioning grooves 6, two groups of connecting parts 7, a balance rod 8, a pressing rod 9, a first spring 10, a second spring 11 and a mounting portion 12, the two groups of the positioning blocks 5 are symmetrically installed on the inner wall of the sealing cap 2, and the two groups of the positioning grooves 6 are symmetrically opened on the protective shell The side wall of the body 1, the two groups of connecting members 7 are symmetrically installed in the sealing cap 2, the balancing rod 8 is rotatably installed in the connecting member 7, the pressing rod 9 is rotatably installed on the side wall of one end of the balancing rod 8, the No. 1 spring 10 is installed on the symmetrical surface of the pressing rod 9, the No. 2 spring 11 is installed on the side wall of the other end of the balancing rod 8, the mounting portion 12 is installed in the sealing cap 2, the mounting portion 12 includes a limiting rod 13, a limiting hole 14, a limiting cylinder 15, two groups of fixing blocks 16, a filter element body 17 and a limiting groove 18, the limiting rod 13 is rotatably installed on the symmetrical surface of the No. 2 spring 11, the limiting hole 14 is opened on the surface of the protective shell 1, and the limiting The positioning cylinder 15 is installed at the top of the sealing cap 2, and the two groups of fixing blocks 16 are symmetrically installed on the inner wall of the limiting cylinder 15. The filter element main body 17 is installed in the limiting cylinder 15, and the limiting groove 18 is provided at the top of the side wall of the filter element main body 17. The positioning block 5 is corresponding to the positioning groove 6, and the connecting piece 7 is in a U-shaped structure. The pressing rod 9 passes through the sealing cap 2 and extends to the outside. The No. 1 spring 10 and the No. 2 spring 11 are both connected to the inner wall of the cavity of the sealing cap 2. The limiting rod 13 is corresponding to the limiting hole 14, and the fixing block 16 is corresponding to the limiting groove 18. The limiting groove 18 is in a U-shaped structure. When replacing the body 17, the user only needs to press the pressing rod 9. With the assistance of the connecting piece 7, the movement of the pressing rod 9 drives the balance rod 8 to rotate and the compression of the No. 1 spring 10. The rotation of the balance rod 8 causes the compression of the No. 2 spring 11 and the movement of the limiting rod 13. The limiting rod 13 is moved out of the limiting hole 14, thereby releasing the limiting fixation of the protective shell 1, and the protective shell 1 falls off. The positioning block 5 and the positioning groove 6 can be used to facilitate the subsequent positioning of the protective shell 1 during installation, and then the filter element main body 17 is moved upward, and then the fixing block 16 can be moved out of the limiting groove 18 by rotating it, thereby completing the disassembly of the filter element main body 17.

[0024] like Figure 1 and Figure 2As shown, the connecting assembly 4 includes an inlet pipe 19, an outlet pipe 20, a connecting flange 21 and a partition 22. The inlet pipe 19 is installed at the top of the sealing cap 2, and the outlet pipe 20 is installed on the side wall of the sealing cap 2. The connecting flange 21 is installed at one end of the inlet pipe 19 and the outlet pipe 20. The partition 22 is installed at the top of the inner wall of the sealing cap 2. The inlet pipe 19 and the outlet pipe 20 extend through the sealing cap 2 to the inner wall. The inlet pipe 19 is connected to the limiting cylinder 15, and the outlet pipe 20 is located on one side of the partition 22. The inlet pipe 19, the outlet pipe 20 and the corresponding external water pipe can be connected together by using the connecting flange 21, so that the subsequent filtering of water resources can be achieved. The partition 22 can be used to block the water resources and the outlet pipe 20, so that the water resources are fully filtered through the filter element main body 17.

[0025] The utility model provides a filter that is easy to replace the filter element, and the specific working principle is as follows:

[0026] When using the filter, the connection assembly 4 is provided, and the connection flange 21 can be used to connect the water inlet pipe 19, the water outlet pipe 20 and the corresponding external water pipe together, so that the subsequent filtering of the water resources can be carried out. The partition 22 can be used to block the water resources and the water outlet pipe 20, so that the water resources are fully filtered through the filter element body 17, thereby ensuring the full filtering of the water resources. By providing a limit assembly 3, when the filter element body 17 needs to be replaced, the user only needs to press the pressing rod 9. With the assistance of the connecting piece 7, the movement of the pressing rod 9 drives the balance rod 8 to rotate and the compression of the No. 1 spring 10. The rotation of the balance bar 8 causes the No. 2 spring 11 to be compressed and the limit rod 13 to move. The limit rod 13 is moved out of the limit hole 14, thereby releasing the limit fixation of the protective shell 1, and the protective shell 1 falls off. The positioning block 5 and the positioning groove 6 can facilitate the subsequent positioning of the protective shell 1 during installation, so that the user can quickly disassemble and assemble the protective shell 1, and then move the filter element main body 17 upwards, and then rotate it to move the fixing block 16 out of the limit groove 18, thereby completing the disassembly of the filter element main body 17, realizing the quick replacement of the filter element main body 17, and improving the user experience.

[0027] Although the 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 filter that is easy to replace the filter element, characterized in that: The invention comprises a protective shell (1), a sealing cap (2), a limiting assembly (3) and a connecting assembly (4), wherein the sealing cap (2) is sleeved and mounted on the outside of the protective shell (1), a cavity is provided in the sealing cap (2), the limiting assembly (3) is mounted in the sealing cap (2), and the connecting assembly (4) is mounted on the side wall of the sealing groove; The limit assembly (3) comprises two groups of positioning blocks (5), two groups of positioning grooves (6), two groups of connecting pieces (7), a balance bar (8), a pressing rod (9), a first spring (10), a second spring (11) and a mounting portion (12), wherein the two groups of positioning blocks (5) are symmetrically mounted on the inner wall of the sealing cap (2), the two groups of positioning grooves (6) are symmetrically arranged on the side wall of the protective shell (1), the two groups of connecting pieces (7) are symmetrically mounted in the sealing cap (2), the balance bar (8) is rotatably mounted in the connecting piece (7), the pressing rod (9) is rotatably mounted on the side wall of one end of the balance bar (8), the first spring (10) is mounted on the symmetrical surface of the pressing rod (9), the second spring (11) is mounted on the side wall of the other end of the balance bar (8), and the mounting portion (12) is mounted in the sealing cap (2).

2. A filter for easy replacement of filter element according to claim 1, characterized in that: The mounting portion (12) comprises a limiting rod (13), a limiting hole (14), a limiting cylinder (15), two groups of fixing blocks (16), a filter element body (17) and a limiting groove (18); the limiting rod (13) is rotatably mounted on the symmetrical surface of the second spring (11); the limiting hole (14) is provided on the surface of the protective shell (1); the limiting cylinder (15) is mounted on the top inner side of the sealing cap (2); the two groups of fixing blocks (16) are symmetrically mounted on the inner wall of the limiting cylinder (15); the filter element body (17) is mounted in the limiting cylinder (15); and the limiting groove (18) is provided on the top side wall of the filter element body (17).

3. The filter for easy replacement of filter element according to claim 1, characterized in that: The positioning block (5) and the positioning groove (6) are arranged correspondingly, the connecting piece (7) is in a U-shaped structure, the pressing rod (9) passes through the sealing cap (2) and extends to the outside, and the No. 1 spring (10) and the No. 2 spring (11) are both connected to the inner wall of the cavity of the sealing cap (2).

4. A filter for easy replacement of filter element according to claim 2, characterized in that: The limiting rod (13) and the limiting hole (14) are arranged correspondingly, the fixing block (16) and the limiting groove (18) are arranged correspondingly, and the limiting groove (18) is in a U-shaped structure.

5. The filter for easy replacement of filter element according to claim 1, characterized in that: The connection assembly (4) comprises a water inlet pipe (19), a water outlet pipe (20), a connection flange (21) and a partition plate (22); the water inlet pipe (19) is mounted on the top of the sealing cap (2); the water outlet pipe (20) is mounted on the side wall of the sealing cap (2); the connection flange (21) is mounted on one end of the water inlet pipe (19) and the water outlet pipe (20); and the partition plate (22) is mounted on the top of the inner wall of the sealing cap (2).

6. A filter for easily replacing a filter element according to claim 5, characterized in that: The water inlet pipe (19) and the water outlet pipe (20) penetrate the sealing cap (2) and extend to the inner wall; the water inlet pipe (19) is communicated with the limiting cylinder (15); and the water outlet pipe (20) is located on one side of the partition (22).

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