Convenient filter cartridge installation structure and its water tank
By using the water tank pressure and the interference fit of the sealing ring design, the problem of complex filter element installation is solved, resulting in a stable and simple filter element installation structure with a compact design.
Patent Information
- Application Number
- CN202522568113.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-03
- Publication Date
- 2026-11-06
- Estimated Expiration
- 2035-12-03
AI Technical Summary
Existing filter cartridges are complex to install, require auxiliary tools, are inconvenient to operate, and have a complicated structure.
The water pressure in the tank ensures stable installation of the filter element. The filter element housing is fixed by the interference fit between the sealing ring and the mounting base. The design of the inlet channel and outlet simplifies the installation process.
It achieves stable installation of the filter element, has a compact structure, simplifies the operation steps, and improves installation efficiency.
Smart Images

Figure CN224937820U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a convenient filter cartridge installation structure and its water tank. Background Technology
[0002] Currently, the installation of existing filter elements is quite complicated, requiring auxiliary tools to apply pressure to position the filter element properly, making operation inconvenient and the structure complex. Summary of the Invention
[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a convenient filter element installation structure and its water tank, which utilizes the water pressure in the water tank to ensure stable installation of the filter element and has a compact structure.
[0004] To achieve the above objectives, the present invention provides a convenient filter cartridge installation structure and its water tank, characterized by comprising: A water tank; an outlet is provided at the lower part of the water tank, and a mounting base communicating with the outlet is provided at the lower part of the inner cavity of the water tank; and A water tank; an outlet is provided at the lower part of the water tank, and a mounting base communicating with the outlet is provided at the lower part of the inner cavity of the water tank; and A filter cartridge housing and a sealing ring are provided for placing the mineralizing filter element. A downwardly protruding insertion port is provided at the lower part of the filter cartridge housing. An upper filter element seat is provided at the upper part of the inner cavity of the filter cartridge housing, and a lower filter element seat communicating with the insertion port is provided at the lower part of the inner cavity of the filter cartridge housing. A gap exists between the outer walls of the upper and lower filter element seats and the inner wall of the filter cartridge housing to form a water inlet channel. The upper and lower filter element seats are fitted together to install the mineralizing filter element. The sealing ring is fitted onto the outer wall of the insertion port. The insertion port is inserted into the mounting base of the filter cartridge housing, and the sealing ring is press-fitted with the inner wall of the mounting base to fix the filter cartridge housing. A water inlet hole group is provided in the lower part of the filter cartridge housing. The water inlet hole group, water inlet channel, mineralizing filter element, insertion port, and water outlet are sequentially connected.
[0005] In this embodiment, a removable top cover is provided on the upper part of the water tank.
[0006] The advantages of this invention compared to existing technologies are: it utilizes the water pressure in the water tank to ensure stable installation of the filter element and has a compact structure. Attached Figure Description
[0007] Figure 1 This is a schematic diagram of the present invention; Figure 2 This is a top view of the present invention; Figure 3 yes Figure 2 AA section view; Figure 4 yes Figure 3 A magnified view of part B. Detailed Implementation
[0008] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0009] like Figure 1 and Figure 4 The diagram shows a convenient filter cartridge installation structure and its water tank, including: Water tank 3; an outlet 31 is provided at the lower part of the water tank 3, and a mounting base 32 communicating with the outlet 31 is provided at the lower part of the inner cavity of the water tank 3; and The filter housing 4 and sealing ring 5 are used to house the mineralization filter element. A downwardly protruding insertion port 43 is provided at the lower part of the filter housing 4. An upper filter element seat 44 is provided at the upper part of the inner cavity of the filter housing 4. A lower filter element seat 42 communicating with the insertion port 43 is provided at the lower part of the inner cavity of the filter housing 4. There is a gap between the outer wall of the upper filter element seat 44 and the lower filter element seat 42 and the inner wall of the filter housing 4 to form a water inlet channel. The upper filter element seat 44 and the lower filter element seat 42 are fitted together to install the mineralization filter element. The sealing ring 5 is sleeved on the outer wall of the insertion port 43. The insertion port 43 is inserted into the mounting base 32 of the filter housing 4, and the sealing ring 5 is press-fitted with the inner wall of the mounting base 32 to fix the filter housing 4. A water inlet hole group 41 is provided at the lower part of the filter housing 4. The water inlet hole group 41, the water inlet channel, the mineralization filter element, the insertion port 43 and the water outlet 31 are connected in sequence.
[0010] During use, the mineralizing filter housing 4 is fixed by the interference fit between the sealing ring 5 at the socket 43 and the inner wall of the mounting base 32. After the water tank 3 is filled with water, the water pressure in the water tank 3 applies pressure to the mineralizing filter housing 4, making the mineralizing filter housing 4 more stable. The mineralizing filter housing 4 will not fall off during operation.
[0011] In this embodiment, a detachable top cover 1 is provided on the upper part of the water tank 3.
[0012] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations of these embodiments without departing from the principles and spirit of this utility model still fall within the protection scope of this utility model.
Claims
1. A convenient filter cartridge installation structure and its water tank, characterized in that... include: Water tank (3); an outlet (31) is provided at the lower part of the water tank (3), and a mounting base (32) communicating with the outlet (31) is provided at the lower part of the inner cavity of the water tank (3); and A filter cartridge housing (4) and a sealing ring (5) are provided for placing the filter cartridge. A downwardly protruding insertion port (43) is provided at the lower part of the filter cartridge housing (4). An upper filter cartridge seat (44) is provided at the upper part of the inner cavity of the filter cartridge housing (4). A lower filter cartridge seat (42) communicating with the insertion port (43) is provided at the lower part of the inner cavity of the filter cartridge housing (4). There is a gap between the outer wall of the upper filter cartridge seat (44) and the lower filter cartridge seat (42) and the inner wall of the filter cartridge housing (4) to form a water inlet channel. The upper filter cartridge seat (44) The mineralized filter element is installed in conjunction with the lower filter element seat (42). The sealing ring (5) is fitted on the outer wall of the inlet (43). The inlet (43) is inserted into the mounting seat (32) of the filter element housing (4), and the sealing ring (5) is press-fitted with the inner wall of the mounting seat (32) to fix the filter element housing (4). A water inlet hole group (41) is provided in the lower part of the filter element housing (4). The water inlet hole group (41), water inlet channel, mineralized filter element, inlet (43) and water outlet (31) are connected in sequence.
2. The convenient filter cartridge installation structure and its water tank according to claim 1, characterized in that... A removable top cover (1) is provided on the upper part of the water tank (3).
