Multi-stage water purifier filter element

Abstract

The multi-stage water purifier filter element comprises a filter frame, the top of the filter frame is fixedly connected with an upper end opening, an inner cylinder filled with water purification filter materials is placed in an inner cavity of a mounting groove, then a cover plate is manually rotated, the cover plate moves in the inner wall of the inner cylinder, and the water purification filter materials are fixed to the upper end opening. And in the moving process of the cover plate, the bottom of the cover plate extrudes a clamping pin, so that the clamping pin is stressed to move, meanwhile, a limiting plate is driven to move in the inner wall of the inner barrel, a reset spring is slidably connected to the outer wall of the clamping pin in a sleeving mode, the limiting plate extrudes the reset spring when moving, and when the cover plate completely enters the inner wall of the inner barrel, the clamping pin is pushed out of the inner wall of the inner barrel; the inner cylinder is fixedly mounted by rotating the cover plate and inserting the bayonet lock into a clamping groove formed in the inner wall of the mounting groove, water is filtered by using the water purification filter material filled in the inner cavity of the inner cylinder, and when the inner cylinder needs to be dismounted, the cover plate is rotated to release the limiting of the bayonet lock, and then the inner cylinder is taken out, so that the water purification filter material can be replaced, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water purifier filter cores, in particular to a multi-stage water purifier filter core. Background Technique

[0002] Water purifier filter cores are the core components in water purifiers. Through different filtering materials and technologies, they remove impurities, pollutants and harmful substances in water, improve water quality, and ensure the safety and health of household water.

[0003] For the existing multi-stage water purifier filter core, reference can be made to the Chinese utility model patent with the authorization announcement number CN205575685U, which discloses a filter core for a water purifier, "including a filter frame, a filter cover, an upper cover, a lower cover and a lining. The filter frame is set in a hollow shape, the upper end of the filter frame is buckled with the upper cover, and the lower end of the filter frame is buckled with the lower cover; a hollow head is arranged in the middle of the upper cover towards the filter frame direction, and the hollow head is integrally formed with the upper cover; the inner wall of the filter frame is fixed with a filter cover, and the filter cover is designed as a cylinder; washer grooves are arranged at both the upper end and the lower end of the filter frame, and sealing rings are sleeved in the washer grooves; the lining is sleeved in the filter frame, and a hollow opening is arranged at the bottom of the lining; a sieve plate is integrally formed in the middle of the lining, and water purification filter materials are placed in the space formed by the lining and the sieve plate. The structure of the utility model is firm. The lining sleeved inside the filter frame effectively plays a role in supporting and fixing the filter frame and the filter cover; sealing rings are arranged when the upper and lower covers are buckled, so that the device has good sealing performance; the lining can act as a container for the filter material, and the installation is simple and the design is scientific."

[0004] When the above device is in use, on the one hand, the lining can be used as a support for the filter cover and the filter frame, and on the other hand, water purification filter materials such as medical stone, negative ion balls, and natto can be placed inside it. The design is scientific and the installation is simple. However, it is not convenient to replace the internal water purification filter materials in the above device, resulting in a reduction in the practicality of the device. Summary of the Invention

[0005] In order to solve the above problems, the utility model proposes a multi-stage water purifier filter core to more precisely solve the problems raised in the above-mentioned background technique.

[0006] The utility model is realized through the following technical solutions:

[0007] The utility model proposes a multi-stage water purifier filter core, including a filter frame. The top of the filter frame is fixedly connected with an upper port, and the filter frame is a porous structure. An installation groove is opened at the top of the filter frame, and a filter assembly is slidably connected to the inner wall of the installation groove.

[0008] Further, the filter assembly includes an inner cylinder and a hollow opening. The inner cavity of the inner cylinder is filled with water purification filter materials, and the water entering the inner cylinder is filtered by the water purification filter materials and then discharged through the hollow opening.

[0009] Further, a plurality of hollow openings are formed in the outer wall of the inner cylinder. The outer wall of the inner cylinder is slidably connected to the inner wall of the installation groove. The inner cylinder is of a hollow structure. A cover plate is threadedly connected to the top of the inner cylinder, and a handle is fixedly connected to the top of the cover plate.

[0010] Further, mounting holes are formed in the inner wall of the inner cylinder, and a latch is slidably connected to the inner wall of the mounting holes. A limiting plate is fixedly connected to the outer wall of the latch, and a return spring is slidably sleeved on the outer wall of the latch.

[0011] Further, a limiting groove is formed at the position where the inner wall of the inner cylinder is connected to the limiting plate, and the inner wall of the limiting groove is slidably connected to the outer wall of the return spring. The outer wall of the return spring is slidably connected to the inner wall of the limiting groove. A clamping groove is formed at the position on the inner wall of the installation groove corresponding to the latch, and the inner wall of the clamping groove is slidably connected to the outer wall of the latch.

[0012] Further, the inside of the upper port is of a hollow structure. Through holes are formed at the position where the filter rack is connected to the upper port, and the diameter of the through holes is the same as the diameter of the upper port. An upper cover is threadedly connected to the top of the upper port, and a plurality of water inlet holes are formed in the top of the upper cover.

[0013] Further, a first sealing ring is sleeved on the outer wall of the upper port, and a sealing groove is formed at the position where the outer wall of the upper port is connected to the first sealing ring.

[0014] Further, a second sealing ring is fixedly connected to the bottom of the filter rack corresponding to the through hole. The outer wall of the second sealing ring is sleeved with a lower port, and a sealing groove is formed at the position where the outer wall of the second sealing ring is connected to the lower port.

[0015] Advantages of the present utility model:

[0016] A multi-stage water purifier filter element proposed by the present utility model. By placing an inner cylinder filled with water purification filter materials into the inner cavity of the installation groove, and then manually rotating the cover plate, the cover plate moves in the inner wall of the inner cylinder. During the movement of the cover plate, the bottom of the cover plate presses the latch, causing the latch to move under force, and at the same time driving the limiting plate to move in the inner wall of the inner cylinder. Using the return spring slidably sleeved on the outer wall of the latch, when the limiting plate moves, it presses the return spring. When the cover plate completely enters the inner wall of the inner cylinder, the latch is pushed out from the inner wall of the inner cylinder and inserted into the clamping groove formed in the inner wall of the installation groove, realizing the fixed installation of the inner cylinder. The water is filtered by the water purification filter materials filled in the inner cavity of the inner cylinder. When it is necessary to disassemble the inner cylinder, rotate the cover plate to release the limitation on the latch, and then take out the inner cylinder to replace the water purification filter materials, improving the practicability of the device. Description of the Drawings

[0017] Figure 1Schematic diagram of the three-dimensional structure of the present utility model;

[0018] Figure 2 Schematic diagram of the sectional structure of the present utility model;

[0019] Figure 3 Explosion diagram of the present utility model;

[0020] Figure 4 Schematic diagram of the filtering structure of the present utility model;

[0021] Figure 5 For the present utility model Figure 4 Enlarged schematic diagram at position A.

[0022] The reference signs are as follows:

[0023] 1. Filter rack; 2. Upper port; 3. Upper cover; 4. First sealing ring; 5. Lower port; 6. Second sealing ring; 7. Installation groove; 8. Filter assembly; 801. Inner cylinder; 802. Cover plate; 803. Hollow opening; 804. Pin; 805. Limiting plate; 806. Return spring. Detailed implementation manners

[0024] In order to more clearly and completely illustrate the technical solution of the present utility model, the present utility model will be further described below with reference to the accompanying drawings.

[0025] Please refer to Figures 1 - 5 , the present utility model provides a multi-stage water purifier filter element, including a filter rack 1. The top of the filter rack 1 is fixedly connected with an upper port 2, and the filter rack 1 is a porous structure. An installation groove 7 is formed at the top of the filter rack 1, and a filter assembly 8 is slidably connected to the inner wall of the installation groove 7.

[0026] The filter assembly 8 includes an inner cylinder 801 and a hollow opening 803. The inner cavity of the inner cylinder 801 is filled with a water purification filter material, and the water entering the inner cylinder 801 is discharged through the hollow opening 803 after being filtered by the water purification filter material. A plurality of hollow openings 803 are formed on the outer wall of the inner cylinder 801. The outer wall of the inner cylinder 801 is slidably connected to the inner wall of the installation groove 7. The inner cylinder 801 is a hollow structure. The top of the inner cylinder 801 is threadedly connected with a cover plate 802, and a handle is fixedly connected to the top of the cover plate 802. The water is sent into the inner cylinder 801 through the hollow opening 803 and the holes on the inner wall of the filter rack 1, and the water is purified by using the water purification filter material filled in the inner cylinder 801.

[0027] The inner wall of the inner cylinder 801 is provided with mounting holes, and a latch 804 is slidably connected to the inner wall of the mounting hole. A limiting plate 805 is fixedly connected to the outer wall of the latch 804. A return spring 806 is slidably sleeved on the outer wall of the latch 804. A limiting groove is provided at the position where the inner wall of the inner cylinder 801 is connected to the limiting plate 805, and the inner wall of the limiting groove is slidably connected to the outer wall of the return spring 806. A clamping groove is provided at the position on the inner wall of the mounting groove 7 corresponding to the latch 804, and the inner wall of the clamping groove is slidably connected to the outer wall of the latch 804. Manually rotate the cover plate 802 so that the cover plate 802 moves in the inner wall of the inner cylinder 801. During the movement of the cover plate 802, the bottom of the cover plate 802 presses the latch 804, causing the latch 804 to move under force. At the same time, the limiting plate 805 is driven to move in the inner wall of the inner cylinder 801. By using the return spring 806 slidably sleeved on the outer wall of the latch 804, the limiting plate 805 presses the return spring 806 when moving. When the cover plate 802 completely enters the inner wall of the inner cylinder 801, the latch 804 is pushed out from the inner wall of the inner cylinder 801 and inserted into the clamping groove provided on the inner wall of the mounting groove 7, realizing the fixed installation of the inner cylinder 801.

[0028] The inside of the upper port 2 is of a hollow structure. Through holes are provided at the positions where the filter rack 1 is connected to the upper port 2, and the diameter of the through holes is the same as the diameter of the upper port 2. The top of the upper port 2 is threadedly connected with an upper cover 3, and a plurality of water inlet holes are provided at the top of the upper cover 3. A first sealing ring 4 is sleeved on the outer wall of the upper port 2, and a sealing groove is provided at the position where the outer wall of the upper port 2 is connected to the first sealing ring 4. A second sealing ring 6 is fixedly connected to the bottom of the filter rack 1 corresponding to the through hole. The outer wall of the second sealing ring 6 is sleeved with a lower port 5, and a sealing groove is provided at the position where the outer wall of the second sealing ring 6 is connected to the lower port 5. Then, the device is installed in the water purifier, and the first sealing ring 4 and the second sealing ring 6 are used to seal the connections between the two ends of the device and the water purifier. Water is sent into the interior of the filter rack 1 through the upper cover 3, and the water is filtered by using the water purification filter material filled in the inner cavity of the inner cylinder 801.

[0029] Working principle: When in use, place the inner cylinder 801 filled with water purification filter media into the inner cavity of the installation groove 7, and then manually rotate the cover plate 802 so that the cover plate 802 moves inside the inner wall of the inner cylinder 801. During the movement of the cover plate 802, the bottom of the cover plate 802 presses against the latch 804, causing the latch 804 to move under force. At the same time, the limiting plate 805 is driven to move inside the inner wall of the inner cylinder 801. By using the return spring 806 sleeved on the outer wall of the latch 804, when the limiting plate 805 moves, it presses against the return spring 806. When the cover plate 802 completely enters the inner wall of the inner cylinder 801, the latch 804 is pushed out of the inner wall of the inner cylinder 801 and inserted into the card slot opened on the inner wall of the installation groove 7 to realize the fixed installation of the inner cylinder 801. Then, install the device into the water purifier, and use the first sealing ring 4 and the second sealing ring 6 to seal the connection between both ends of the device and the water purifier. Send water into the interior of the filter rack 1 through the upper cover 3, and use the water purification filter media filled in the inner cavity of the inner cylinder 801 to filter the water. When it is necessary to disassemble the inner cylinder 801, rotate the cover plate 802 to release the limit on the latch 804, use the elastic potential energy of the return spring 806 to push the limiting plate 805 to move, and retract the latch 804 into the inner wall of the inner cylinder 801. The inner cylinder 801 is separated from the filter rack 1, and then the inner cylinder 801 can be taken out to replace the water purification filter media, improving the water purification effect and the practicality of the device.

[0030] Of course, the present utility model can also have many other implementation manners. Based on this implementation manner, other implementation manners obtained by ordinary technical personnel in the field without any creative labor belong to the scope protected by the present utility model.

Claims

1. A multi-stage water purifier filter element, characterized in that, It includes a filter rack (1). A top port (2) is fixedly connected to the top of the filter rack (1), and the filter rack (1) is a porous structure. An installation groove (7) is formed in the top of the filter rack (1), and a filter assembly (8) is slidably connected to the inner wall of the installation groove (7).

2. The multi-stage water purifier filter element according to claim 1, wherein The filter assembly (8) includes an inner cylinder (801) and a hollow opening (803). The inner cavity of the inner cylinder (801) is filled with a water purification filter material, and the water entering the inner cylinder (801) is filtered by the water purification filter material and then discharged through the hollow opening (803).

3. The multi-stage water purifier filter element according to claim 2, characterized in that, A plurality of hollow openings (803) are formed in the outer wall of the inner cylinder (801). The outer wall of the inner cylinder (801) is slidably connected to the inner wall of the installation groove (7). The inner cylinder (801) is a hollow structure. A cover plate (802) is threadedly connected to the top of the inner cylinder (801), and a handle is fixedly connected to the top of the cover plate (802).

4. The multi-stage water purifier filter element according to claim 2, wherein, An installation hole is formed in the inner wall of the inner cylinder (801), and a retaining pin (804) is slidably connected to the inner wall of the installation hole. A limiting plate (805) is fixedly connected to the outer wall of the retaining pin (804), and a return spring (806) is slidably sleeved on the outer wall of the retaining pin (804).

5. The multi-stage water purifier filter element according to claim 4, wherein, A limiting groove is formed at the position where the inner wall of the inner cylinder (801) is connected to the limiting plate (805), and the inner wall of the limiting groove is slidably connected to the outer wall of the return spring (806). The outer wall of the return spring (806) is slidably connected to the inner wall of the limiting groove. A clamping groove is formed at the position of the inner wall of the installation groove (7) corresponding to the retaining pin (804), and the inner wall of the clamping groove is slidably connected to the outer wall of the retaining pin (804).

6. The multi-stage water purifier filter element according to claim 1, wherein The inside of the top port (2) is a hollow structure. A through hole is formed at the position where the filter rack (1) is connected to the top port (2), and the diameter of the through hole is the same as the diameter of the top port (2). An upper cover (3) is threadedly connected to the top of the top port (2), and a plurality of water inlet holes are formed in the top of the upper cover (3).

7. The multi-stage water purifier filter element according to claim 1, wherein, A first sealing ring (4) is sleeved on the outer wall of the top port (2), and a sealing groove is formed at the position where the outer wall of the top port (2) is connected to the first sealing ring (4).

8. The multi-stage water purifier filter element according to claim 1, characterized in that, A second sealing ring (6) is fixedly connected to the bottom of the filter rack (1) at the position corresponding to the through hole. A lower port (5) is sleeved on the outer wall of the second sealing ring (6), and a sealing groove is formed at the position where the outer wall of the second sealing ring (6) is connected to the lower port (5).

Images