A water purifier filter cartridge base structure

Abstract

This utility model discloses a water purifier filter cartridge base structure, including a base body with a recessed cavity and an integrally formed perforated post on the end face of the base body. A first sealing plate, a second sealing plate, and a connecting pressure ring are disposed within the recessed cavity. The first sealing plate has a water-guiding protrusion and a limiting protrusion fixed to its side. The second sealing plate has a through-channel and an integrally formed locking protrusion with a limiting slot. A snap-fit ​​protrusion is fixed to the inner ring surface of the connecting pressure ring. The filter cartridge is inserted into the recessed cavity and snap-fitted into position with the connecting pressure ring. This utility model has a reasonable structural design, which helps reduce processing costs, improves assembly convenience and stability, and enhances the sealing performance at the connection. The snap-fit ​​protrusion on the inner ring surface of the connecting pressure ring connects and positions with the filter cartridge via a snap-fit, improving the ease of disassembly and assembly of the filter cartridge and the effectiveness of the sealing connection, thus meeting the needs of different usage scenarios.

Description

Technical Field

[0001] This utility model belongs to the technical field of water purifier components, specifically relating to a water purifier filter cartridge base structure. Background Technology

[0002] The filter cartridge is a crucial component of a water purifier, primarily used for water filtration. In existing technologies, to facilitate the disassembly and replacement of the filter cartridge, it typically includes a corresponding filter cartridge base. For example, as shown in CN201920547854.X, a filter cartridge base includes a filter seat, which comprises a retaining wall that fits into the filter cartridge and a base connected to the retaining wall. It also includes a rotating component disposed between the retaining wall and the base, the rotating component being coaxially rotatably connected to the base. The surface of the rotating component opposite to the filter cartridge has a protrusion that engages with the water inlet of the filter cartridge. A first baffle and a second baffle are provided between the rotating component and the filter base plate, and the first baffle is fixedly installed on the rotating component and the second baffle is fixedly installed on the filter base plate; a water inlet is provided along the axial direction of the filter element base, penetrating the rotating component, the first baffle, the second baffle and the filter base plate; it also includes a water sealing component installed in the water inlet of the rotating component, the upper end of which is used to block the water inlet, and the water sealing component is provided with a first elastic component that makes it reciprocate up and down, one end of the first elastic component abutting the lower end of the water sealing component and the other end connected to the lower end of the water inlet of the rotating component; While the above structure can meet general usage requirements, it is not only relatively complex but also difficult to effectively guarantee sealing, thus limiting its applicability and making it difficult to meet market demands. Summary of the Invention

[0003] The purpose of this utility model is to provide a water purifier filter cartridge base structure that has a reasonable structural design and strong applicability.

[0004] The technical solution to achieve the purpose of this utility model is a water purifier filter cartridge base structure, including a base body, a cavity is provided in the base body, and a plurality of holes communicating with the cavity are integrally formed on the end face of the base body. The cavity is provided with a first sealing plate, a second sealing plate, and a connecting pressure ring; The first sealing sheet is provided with a plurality of water-guiding protrusions with circular through holes, and a limit protrusion is fixed on the side of the first sealing sheet; The second sealing sheet is provided with a through-hole, and a locking protrusion is integrally formed on the second sealing sheet, and a limit slot is provided on the locking protrusion; The second sealing sheet is attached to the surface of the first sealing sheet, the water-guiding protrusion passes through the through-channel, and the limiting protrusion is engaged in the limiting slot; The connecting pressure ring is fixed to the base body by a screw, and a buckle protrusion is fixed on the inner ring surface of the connecting pressure ring; The filter element is inserted into the concave cavity and locked in place by screwing it into the connecting pressure ring.

[0005] A further preferred embodiment is that the base body has a plurality of mounting ears integrally formed at its edge, and the mounting ears are provided with mounting holes.

[0006] A further preferred embodiment is that an arc-shaped groove is provided on the inner top wall of the concave cavity, and a protrusion is integrally formed on the surface of the first sealing sheet, the protrusion being located within the arc-shaped groove.

[0007] A further preferred embodiment is that the number of the perforated columns is two or three.

[0008] A further preferred embodiment is that: the edge of the base body is provided with a positioning groove, and the edge of the connecting pressure ring is integrally formed with a positioning protrusion; The connecting pressure ring is combined with the base body, and the positioning protrusion is engaged in the positioning groove.

[0009] A further preferred embodiment is that both the first sealing sheet and the second sealing sheet are rubber structural components.

[0010] This utility model has positive effects: The structure of this utility model is reasonable. It is not only simple in structure, which helps to reduce processing costs, but also uses a first sealing plate and a second sealing plate, along with a connecting pressure ring for clamping and positioning. This not only improves the convenience and stability of assembly, but also improves the sealing performance of the connection. Furthermore, there is a swivel protrusion on the inner ring surface of the connecting pressure ring. When connecting with the filter element, the swivel connection and positioning improves the convenience of filter element disassembly and assembly and the sealing effectiveness of the connection. It can meet the usage needs of different situations and has strong applicability. Furthermore, it has two or three holes, which can meet the needs of different situations and expand its applicability. Attached Figure Description

[0011] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the disassembled structure of this utility model; Figure 3 This is a schematic diagram of the split structure of this utility model from another perspective; Figure 4 This is a schematic diagram of the specific structure of the connecting pressure ring in this utility model; Figure 5 This is a schematic diagram of the second structure of this utility model.

[0012] Reference numerals: 1. Base body; 2. Cavity; 3. Hole post; 4. First sealing plate; 5. Second sealing plate; 6. Connecting pressure ring; 7. Water guide protrusion; 8. Limiting protrusion; 9. Through passage; 10. Locking protrusion; 11. Limiting slot; 12. Twisting protrusion; 13. Mounting lug; 14. Mounting hole; 15. Arc groove; 16. Protrusion; 17. Positioning groove; 18. Positioning protrusion. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0014] See Figures 1 to 4 As shown, a water purifier filter cartridge base structure includes a base body 1, a cavity 2 is provided in the base body, and a plurality of holes 3 connected to the cavity are integrally formed on the end face of the base body; in this embodiment, the base body is a conventional structure of the prior art, which is simply applied, and the number of holes is three. Furthermore, in this embodiment, a first sealing sheet 4, a second sealing sheet 5, and a connecting pressure ring 6 are provided within the cavity; both the first and second sealing sheets are rubber structural components. In use, the first sealing sheet is provided with several water-guiding protrusions 7 with circular through holes, and a limiting protrusion 8 is fixed to the side of the first sealing sheet; the water-guiding protrusions are mainly used to connect with the through holes to form a water-guiding channel. Meanwhile, the second sealing sheet is provided with a through-passing channel 9, and an integrally formed locking protrusion 10 is provided on the second sealing sheet. The locking protrusion is provided with a limiting slot 11. During assembly, the second sealing sheet is attached to the surface of the first sealing sheet, the water-guiding protrusion passes through the through-passing channel, and the limiting protrusion is engaged in the limiting slot. The connecting pressure ring is fixed to the base body by a screw, and a snap-locking protrusion 12 is fixed on the inner ring surface of the connecting pressure ring. The filter element is inserted into the cavity and locked in place by the snap-locking protrusion. The snap-locking protrusion can improve the stability and reliability of the connection with the filter element, and the fit between the first sealing sheet and the second sealing sheet can improve the sealing effectiveness.

[0015] In this embodiment, a plurality of mounting lugs 13 are integrally formed along the edge of the base body, and mounting lugs are provided with mounting holes 14. The base body is fixed with screws during installation, which improves the stability and reliability of the connection.

[0016] In this embodiment, an arc-shaped groove 15 is provided on the top wall of the inner cavity of the concave cavity, and a protrusion 16 is integrally formed on the surface of the first sealing sheet, the protrusion being located within the arc-shaped groove. The arc-shaped groove can provide a limiting function.

[0017] In this embodiment, the edge of the base body is provided with a positioning groove 17, and the edge of the connecting pressure ring is integrally formed with a positioning protrusion 18. During assembly, the connecting pressure ring is combined with the base body, and the positioning protrusion is engaged in the positioning groove. This can prevent displacement or misalignment, and improve the stability and reliability of the connection.

[0018] This utility model has positive effects: The structure of this utility model is reasonable. It is not only simple in structure, which helps to reduce processing costs, but also uses a first sealing plate and a second sealing plate, along with a connecting pressure ring for clamping and positioning. This not only improves the convenience and stability of assembly, but also improves the sealing performance of the connection. Furthermore, there is a swivel protrusion on the inner ring surface of the connecting pressure ring. When connecting with the filter element, the swivel connection and positioning improves the convenience of filter element disassembly and assembly and the sealing effectiveness of the connection. It can meet the usage needs of different situations and has strong applicability. Furthermore, it has two or three holes, which can meet the needs of different situations and expand its applicability. Example

[0019] See Figure 5 As shown, this embodiment is basically the same as embodiment 1, except that the number of its perforated columns is two.

[0020] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0021] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A water purifier filter cartridge base structure, comprising a base body, characterized in that: The base body has a recessed cavity, and a plurality of holes communicating with the recessed cavity are integrally formed on the end face of the base body. The cavity is provided with a first sealing plate, a second sealing plate, and a connecting pressure ring; The first sealing sheet is provided with a plurality of water-guiding protrusions with circular through holes, and a limit protrusion is fixed on the side of the first sealing sheet; The second sealing sheet is provided with a through-hole, and a locking protrusion is integrally formed on the second sealing sheet, and a limit slot is provided on the locking protrusion; The second sealing sheet is attached to the surface of the first sealing sheet, the water-guiding protrusion passes through the through-channel, and the limiting protrusion is engaged in the limiting slot; The connecting pressure ring is fixed to the base body by a screw, and a buckle protrusion is fixed on the inner ring surface of the connecting pressure ring; The filter element is inserted into the concave cavity and locked in place by screwing it into the connecting pressure ring.

2. The water purifier filter cartridge base structure according to claim 1, characterized in that: The base body has several mounting ears integrally formed along its edge, and the mounting ears are provided with mounting holes.

3. The water purifier filter cartridge base structure according to claim 1, characterized in that: An arc-shaped groove is provided on the inner top wall of the concave cavity, and a protrusion is integrally formed on the surface of the first sealing sheet, the protrusion being located within the arc-shaped groove.

4. The water purifier filter cartridge base structure according to claim 1, characterized in that: The number of the perforated columns is two or three.

5. The water purifier filter cartridge base structure according to claim 1, characterized in that: The base body has a positioning groove along its edge, and the connecting pressure ring has a positioning protrusion integrally formed along its edge. The connecting pressure ring is combined with the base body, and the positioning protrusion is engaged in the positioning groove.

6. The water purifier filter cartridge base structure according to claim 1, characterized in that: Both the first sealing sheet and the second sealing sheet are rubber structural components.

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