Filter element base and filter element assembly thereof

Abstract

The utility model discloses a filter element base and a filter element assembly thereof, relates to the technical field of filter element assemblies, and aims to solve the problems that a filter element loses efficacy, the filtering effect is affected and even system leakage is caused due to the fact that a traditional connecting mode is prone to loosening and even falling off in a high-pressure or vibration environment, and particularly in a high-pressure application scene, the structural strength of the filter element is insufficient and the service life of the filter element is prolonged. The problems that an existing filter element is prone to deformation or damage, the service life is shortened, an existing filter element is inconvenient to disassemble, assemble and maintain and cannot be quickly disassembled and assembled, and the working efficiency is affected are solved, and the filter element comprises a base, a filter cylinder is connected to the base, a fixing mechanism used for installing the filter element is arranged on the base, and the filter element is located in the filter cylinder; the filter element further comprises a framework, an upper end cover and a lower end cover, the upper end cover is connected with the lower end cover through the framework, and the lower end cover is installed on the base through a fixing mechanism, so that the filter element can be rapidly disassembled and assembled while the bearing strength is improved.

Description

Technical Field

[0001] This utility model relates to the field of filter element assembly technology, and in particular to a filter element base and its filter element assembly. Background Technology

[0002] Filter cartridges are the core components of various filtration devices. Currently, they are widely used in various liquid filtration systems, such as household water purifiers and industrial filtration equipment. Traditional filter cartridge structures typically use simple snap-fit ​​or threaded connections to fix them to the base. This has the following drawbacks: traditional connections are prone to loosening or even detachment under high pressure or vibration, leading to filter cartridge failure, affecting filtration efficiency, and even causing system leaks. Especially in high-pressure applications, the filter cartridge structure lacks sufficient strength, making it prone to deformation or damage, shortening its lifespan. Furthermore, existing filter cartridges are inconvenient to disassemble and maintain, hindering quick assembly and disassembly and impacting work efficiency.

[0003] Therefore, this application provides a filter element base and a filter element assembly thereof to meet the requirements. Utility Model Content

[0004] The purpose of this application is to provide a filter element base and its filter element assembly, which aims to solve the problem that traditional connection methods are prone to loosening or even falling off under high pressure or vibration environments, leading to filter element failure, affecting filtration effect, and even causing system leakage. Especially in high pressure application scenarios, the filter element structure is not strong enough, is prone to deformation or damage, shortens service life, and existing filter elements are inconvenient to disassemble and maintain, and cannot be quickly disassembled and assembled, affecting work efficiency.

[0005] To achieve the above objectives, this application provides the following technical solution: a filter element base and its filter element assembly, including a base, a filter cartridge connected to the base, a fixing mechanism for installing the filter element on the base, and the filter element located in the filter cartridge; the filter element also includes a frame, an upper end cover and a lower end cover, the upper end cover being connected to the lower end cover through the frame, and the lower end cover being installed on the base through the fixing mechanism, so that the filter element can be quickly removed.

[0006] Preferably, the filter element is provided with multiple sets of L-shaped support rings to enhance the strength of the filter element. The size of the L-shaped support rings is adapted to the inner diameter of the frame. The frame is provided with no less than three layers of filter screens to improve the overall strength of the filter element.

[0007] Preferably, the lower end cover has a threaded groove, and the bottom end of the frame has a threaded section that matches the threaded groove. The lower end cover is connected with a locking block, and multiple sets of locking blocks are provided to improve the speed of filter element disassembly and maintenance.

[0008] Preferably, the base has an installation groove, the fixing mechanism is set in the installation groove, the size of the installation groove is adapted to the lower end cover, and the lower end cover has a limit groove to facilitate the quick assembly and disassembly of the filter element.

[0009] Preferably, the fixing mechanism further includes a top plate, a limiting block, and a pre-tightening spring. The top plate is installed in the mounting groove via a telescopic rod. A torsion spring is provided between the top plate and the telescopic rod. A pre-tightening spring is fitted on the telescopic rod. The limiting block is adapted to the size of the limiting groove to improve the connection strength of the filter element.

[0010] Preferably, the mounting groove has multiple sets of slots that are adapted to the position and size of the card block, and the inner sidewall of the mounting groove has an annular groove that communicates with the multiple sets of slots, so that the filter element can be quickly positioned and fixed.

[0011] In summary, the technical effects and advantages of this utility model are as follows:

[0012] In this invention, the filter element frame and end cap are connected by welding, and a composite fixing structure with multi-point snap-fit ​​and threaded connection is used, which significantly improves the overall strength and pressure resistance of the filter element, effectively preventing deformation, detachment and leakage of the filter element under excessive pressure, and extending the service life of the filter element. The multi-layer filter screen design and the addition of L-shaped support ring further enhance the pressure bearing capacity and deformation resistance of the filter element, and can maintain stable operation even under extreme pressure difference.

[0013] In this invention, the base, featuring an installation groove, a locking slot, and a limiting mechanism, enables rapid positioning, installation, and removal of the filter element and its lower end cover. This eliminates the need for specialized tools, simplifying maintenance and improving work efficiency. The precise limiting design ensures accurate installation and a tight seal, preventing leaks caused by improper installation. This simplified installation method also reduces maintenance and labor costs. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

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

[0016] Figure 2 This is an enlarged structural diagram of the filter element of this utility model;

[0017] Figure 3 This is an exploded view of the filter element of this utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the filter element of this utility model;

[0019] Figure 5 This is an exploded view of the base of this utility model;

[0020] Figure 6 This is a cross-sectional view of the filter element of this utility model.

[0021] In the diagram: 1. Filter cartridge; 2. Base; 3. Filter element; 21. Top plate; 22. Limiting block; 23. Telescopic rod; 24. Pre-tension spring; 25. Slot; 26. Ring groove; 27. Fixing mechanism; 28. Mounting groove; 31. Frame; 32. Upper end cover; 33. Lower end cover; 34. Locking block; 35. L-shaped support ring; 36. Limiting groove. Detailed Implementation

[0022] 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

[0023] refer to Figure 1-6 The filter element base and its filter element assembly shown include a base 2, a filter cartridge 1 welded on the base 2, and a filter element 3 for filtering liquids. The filter element 3 is installed on the base 2 by a fixing mechanism 27, which is located in the base 2. The filter element 3 also includes a frame 31, an upper end cover 32, and a lower end cover 33. The top of the frame 31 and the upper end cover 32 are connected by welding, which enhances the stability and support strength of the structure and prevents the upper end cover 32 from falling off. The bottom of the frame 31 is provided with a threaded section, and the lower end cover 33 is provided with a threaded groove that matches the frame 31. The outer wall of the lower end cover 33 is provided with four sets of locking blocks 34 for connecting with the fixing mechanism 27, which increases the support strength and prevents the lower end cover 33 from falling off. The frame 31 is made of 2mm thick stainless steel perforated inner frame.

[0024] As one implementation method in this embodiment, in order to improve the strength of the filter element 3, the filter element 3 is provided with a filter screen. The filter screen has three layers and is made of stainless steel mesh. There is a 0.19mm / 24-mesh stainless steel protective mesh on both the inner and outer sides. The main filter screen is a specially customized 60-micron high-pressure resistant stainless steel mesh, which effectively ensures that the filter material does not deform when the system pressure is 8Mpa. When the flow resistance is too high, it effectively shares the pressure of the inner support frame 31. The filter element 3 is also provided with an L-shaped support ring 35. There are five sets of L-shaped support rings 35, which are equidistantly arranged vertically in the filter element 3. The size of the L-shaped support ring 35 is 10x15mm, which ensures that the product does not deform when the pressure is 10Mpa and the ultimate pressure difference is 1Mpa.

[0025] As one embodiment of this invention, to facilitate easier disassembly, maintenance, or replacement of the filter element 3, a mounting groove 28 is provided in the base 2, and a fixing mechanism 27 is disposed in the mounting groove 28. The size of the mounting groove 28 is adapted to the lower end cover 33, allowing for quick positioning when the filter element 3 is installed in the base 2. To facilitate quick disassembly and assembly of the filter element 3, a slot 25 adapted to the locking block 34 is provided in the mounting groove 28. An annular groove 26 is also provided on the inner wall of the mounting groove 28, connecting the four sets of slots 25, allowing the filter element 3 to pass through. The lower end cover 33 is conveniently and quickly installed onto the base 2. In order to enable the filter element 3 to be quickly positioned and installed while being limited, the fixing mechanism 27 also includes a top plate 21, a limiting block 22 and a pre-tightening spring 24. The pre-tightening spring 24 is set in the mounting groove 28. The top plate 21 slides up and down in the mounting groove 28 through the telescopic rod 23. A torsion spring is also provided between the telescopic rod 23 and the top plate 21. The pre-tightening spring 24 is fitted on the telescopic rod 23. The limiting block 22 is set on the top surface of the top plate 21. The bottom surface of the lower end cover 33 has a limiting groove 36 that matches the limiting block 22.

[0026] The working principle of this product is as follows: First, install the filter screen onto the frame 31. Then, install the L-shaped support ring 35 from the bottom of the frame 31 into the frame 31. Simultaneously, place the frame 31 on the lower end cover 33. Rotate the frame 31 so that the threaded section at the lower end of the frame 31 enters the threaded groove of the lower end cover 33, thus assembling the upper end cover 32, frame 31, and lower end cover 33 into the filter element 3. Next, install the filter element 3 into the filter cartridge 1, and then install the filter element 3 onto the base 2, aligning the limiting groove 36 on the lower end cover 33 of the filter element 3 with the top plate 21. The filter element 3 is pressed down by the limiting block 22, so that the limiting block 22 is located in the limiting groove 36. Then the filter element 3 is rotated so that the locking block 34 on the lower end cover 33 rotates to the locking groove 25 in the mounting groove 28. Then the filter element 3 is pressed down and rotated at the same time. The lower end cover 33 presses down the pre-tightening spring 24 and the telescopic rod 23 through the top plate 21. At the same time, when the locking block 34 slides down in the locking groove 25 to the annular groove 26, under the action of the torsion spring, the top plate 21 drives the locking block 34 on the lower end cover 33 to rotate into the annular groove 26, so that the filter element 3 can be installed in the filter cartridge 1.

[0027] The electromechanical connections involved in this utility model are common practices used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments; they are common knowledge.

[0028] Components not described in detail in this article are existing technologies.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A filter cartridge base and its filter cartridge assembly, characterized in that: Includes a base (2), on which a filter cartridge (1) is connected, and on which a fixing mechanism (27) for installing a filter element (3) is provided, wherein the filter element (3) is located in the filter cartridge (1); The filter element (3) also includes a frame (31), an upper end cover (32) and a lower end cover (33). The upper end cover (32) is connected to the lower end cover (33) through the frame (31), and the lower end cover (33) is installed on the base (2) through the fixing mechanism (27).

2. The filter element base and filter element assembly according to claim 1, characterized in that: The filter element (3) is provided with multiple sets of L-shaped support rings (35) for strengthening the filter element (3). The size of the L-shaped support rings (35) is adapted to the inner diameter of the skeleton (31). The skeleton (31) is provided with no less than three layers of filter screen.

3. A filter element base and its filter element assembly according to claim 1, characterized in that: The lower end cover (33) has a threaded groove, and the bottom end of the skeleton (31) has a threaded section that matches the threaded groove. The lower end cover (33) is connected to a locking block (34), and the locking block (34) has multiple sets.

4. A filter element base and its filter element assembly according to claim 1, characterized in that: The base (2) has an installation groove (28) and the fixing mechanism (27) is set in the installation groove (28). The size of the installation groove (28) is adapted to the lower end cover (33). The lower end cover (33) has a limit groove (36).

5. A filter element base and its filter element assembly according to claim 4, characterized in that: The fixing mechanism (27) also includes a top plate (21), a limiting block (22) and a preload spring (24). The top plate (21) is installed in the mounting groove (28) via a telescopic rod (23). A torsion spring is provided between the top plate (21) and the telescopic rod (23). The telescopic rod (23) is fitted with a preload spring (24). The limiting block (22) is adapted to the size of the limiting groove (36).

6. A filter element base and its filter element assembly according to claim 5, characterized in that: The mounting groove (28) has multiple sets of slots (25) that are adapted to the position and size of the card block (34). The inner sidewall of the mounting groove (28) has an annular groove (26) that communicates with the multiple sets of slots (25).

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