Filter element structure convenient to disassemble and assemble
By setting a flange and a support surface at the lower end of the filter element housing, and using an external fixture to rotate the filter element, the problem of difficult assembly of large filter elements is solved, achieving stable installation and convenient disassembly, and improving processing efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-17
AI Technical Summary
Existing filter element structures have difficulties in securing during assembly and disassembly, especially for large filter elements, which affects processing efficiency and quality.
A filter element structure was designed, which features a flange at the lower end of the filter element housing, with a support surface and a stop surface. In conjunction with the through hole and handle of an external fixture, the filter element is rotated by the fixture to achieve disassembly and assembly. Combined with internal and external threaded connections, this simplifies the installation and disassembly process of large filter elements.
This technology enables stable installation and convenient disassembly of large filter elements, improving assembly efficiency and ensuring the effectiveness of the filter elements.
Smart Images

Figure CN223995595U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter element technology, and in particular to a filter element structure that is easy to disassemble and assemble. Background Technology
[0002] With the increasing demands for improved industrial production, higher quality of life, and environmental protection, higher requirements are being placed on filtration precision, efficiency, and filter lifespan. Consequently, various new filter materials and structures are constantly emerging. For example, in water treatment, high-precision microporous membrane filters and activated carbon filters have appeared, which can more effectively remove impurities and adsorb harmful substances; in air filtration, high-efficiency particulate air filters have emerged, offering extremely high filtration efficiency for fine particulate matter. Because filter elements are cylindrical, they are usually manually tightened via threaded connections. When large filter elements are used in industrial applications, there are problems with secure assembly and disassembly after assembly, thus affecting processing efficiency and quality. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] The problem to be solved by this utility model is to provide a filter element structure that is easy to assemble and disassemble, so as to overcome the defects of filter elements in the prior art that are difficult to assemble and disassemble.
[0005] (II) Technical Solution
[0006] To solve the aforementioned technical problem, this utility model provides a filter element structure that is easy to assemble and disassemble, including a filter element body. The bottom of the filter element body is rotatably connected to a filter element support. The surface of the filter element body is a filter element shell. The lower end of the filter element shell has a flange that is higher than the filter element support. The surface of the flange has multiple support surfaces at equal intervals. The filter element body is assembled by an external fixture. The fixture has a through hole through which the filter element body can pass. The side wall of the through hole has stop surfaces at equal intervals that mate with the support surfaces. One end of the fixture has a handle. After the fixture is fitted onto the filter element body, the support surfaces and the stop surfaces fit together. Rotating the fixture by the handle can rotate the filter element body for assembly and disassembly.
[0007] In some embodiments, the filter housing and the flange are both cylindrical, the through hole mates with the flange, the support surface is a cross-section of the flange surface, and the number and width of the stop surfaces correspond to the support surface.
[0008] In some embodiments, the bottom of the filter element housing is connected to the filter element support via a connecting part, the connecting part is disposed at the lower end of the flange, the connecting part is provided with an external thread, and the filter element support is provided with an internal thread that mates with the external thread.
[0009] In some embodiments, the filter element body further includes an upper mounting bracket, a lower mounting bracket, and a filter element. The lower end of the upper mounting bracket and the upper end of the lower mounting bracket are each provided with an annular slot, and both ends of the filter element are respectively inserted into the slot.
[0010] In some embodiments, the filter element support is provided with a positioning post, the bottom of the lower mounting bracket is provided with a positioning groove, the lower mounting bracket is inserted into the positioning post, the top of the upper mounting bracket is inserted with a first sealing ring, and the bottom of the lower mounting bracket is inserted with a second sealing ring.
[0011] In some embodiments, a third sealing ring is provided at the bottom of the filter element housing, the third sealing ring abutting against the filter element housing and the filter element support respectively, and multiple flow channels are provided on both the upper mounting bracket and the lower mounting bracket.
[0012] (III) Beneficial Effects
[0013] This utility model provides a filter element structure that is easy to assemble and disassemble. An external fixture can be fitted onto the filter element body and cooperate with it. The stop surface on the fixture and the support surface on the flange cooperate to enable the fixture to directly drive the filter element body to rotate. This makes it convenient to install some large filter elements on the filter element bracket, improves the stability of the filter element after assembly, ensures the effect of the filter element during use, and makes disassembly more convenient. Attached Figure Description
[0014] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments 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 utility model provides a perspective view of the filter element body and fixture, which are designed for easy assembly and disassembly.
[0016] Figure 2 Exploded view of the filter element body and filter element support of the present invention, which are designed for easy assembly and disassembly of filter elements;
[0017] Figure 3 This is a cross-sectional view of the filter element body of a filter element structure that is easy to disassemble and assemble according to this utility model;
[0018] Figure 4 This is a perspective view of the bottom of the upper mounting bracket of a filter element structure that is easy to assemble and disassemble according to this utility model;
[0019] Figure 5 This is a perspective view of the bottom of the mounting bracket of a filter element structure that is easy to disassemble and assemble according to this utility model.
[0020] The component names corresponding to the various reference numerals in the figure are as follows: 1. Filter element bracket; 2. Filter element housing; 3. Flange; 4. Support surface; 5. Fixture; 6. Through hole; 7. Stop surface; 8. Connecting part; 9. External thread; 10. Internal thread; 11. Upper mounting bracket; 12. Lower mounting bracket; 13. Filter element; 14. Slot; 15. Positioning post; 16. Positioning groove; 17. First sealing ring; 18. Second sealing ring; 19. Third sealing ring; 20. Flow channel; 21. Handle. Detailed Implementation
[0021] The embodiments of this application will now be described in detail with reference to the accompanying drawings.
[0022] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0023] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.
[0024] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.
[0025] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.
[0026] See Figures 1-5 This utility model provides a filter element structure that is easy to assemble and disassemble, including a filter element body. The bottom of the filter element body is rotatably connected to a filter element support 1. The surface of the filter element body is a filter element shell 2. The lower end of the filter element shell 2 is provided with a flange 3 that is higher than the filter element support 1. The surface of the flange 3 is provided with a plurality of support surfaces 4 at equal intervals. The filter element body is assembled by an external fixture 5. The fixture 5 is provided with a through hole 6, through which the filter element body can pass. The side wall of the through hole 6 is provided with stop surfaces 7 at equal intervals that cooperate with the support surfaces 4. Specifically, One end of the fixture 5 is provided with a handle 21. The bottom of the filter element housing 2 is connected to the filter element bracket 1 through the connecting part 8. The connecting part 8 is located at the lower end of the flange 3 and is provided with an external thread 9. The filter element bracket 1 is provided with an internal thread 10 that mates with the external thread. The fixture 5 is fitted onto the filter element body through the through hole 6. At this time, the support surface 4 and the stop surface 7 are in contact. By rotating the fixture 5 through the handle 21, the filter element body can be rotated, thereby realizing the threaded connection for disassembly and assembly. It can easily be manually disassembled and assembled for large filter elements.
[0027] In some embodiments, such as Figures 1-5 As shown, both the filter element housing 2 and the flange 3 are cylindrical. The through hole 6 mates with the flange 3. The support surface 4 is a cross-section of the flange 3 surface. The number and width of the stop surfaces 7 correspond to the support surface 4. Therefore, after the fixture 5 is fitted onto the flange 3, it can fully mate with the flange 3, thereby driving the filter element housing 2 to rotate. In this embodiment, the filter element body also includes an upper mounting bracket 11, a lower mounting bracket 12, and a filter element 13. The lower end of the upper mounting bracket 11 and the upper end of the lower mounting bracket 12 are provided with annular slots 14. The two ends of the filter element 13 are respectively inserted into the slots 14. The filter element support 1 is provided with positioning posts 15. The lower mounting bracket 12... The bottom is provided with a positioning groove 16, and the lower mounting bracket 12 is inserted into the positioning post 15. The mounting bracket inside the filter element and the filter element 13 are positioned on the filter element support 1 by the positioning post 15. The top of the upper mounting bracket 11 is provided with a first sealing ring 17, the bottom of the lower mounting bracket 12 is provided with a second sealing ring 18, and the bottom of the filter element housing 2 is also provided with a third sealing ring 19. The third sealing ring 19 abuts against the filter element housing 2 and the filter element support 1 respectively. These sealing rings play a sealing role during purification. The upper mounting bracket 11 and the lower mounting bracket 12 are provided with multiple flow channels 20, through which the filtered liquid flows.
[0028] This utility model provides a filter element structure that is easy to assemble and disassemble. An external fixture can be fitted onto the filter element body and cooperate with it. The stop surface on the fixture and the support surface on the flange cooperate to enable the fixture to directly drive the filter element body to rotate. This makes it convenient to install some large filter elements on the filter element bracket, improves the stability of the filter element after assembly, ensures the effect of the filter element during use, and makes disassembly more convenient.
[0029] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A filter element structure convenient to disassemble, comprising a filter element body, the bottom of the filter element body is rotationally connected to a filter element support (1), characterized in that: The surface of the filter core body is a filter core shell (2), the lower end of the filter core shell (2) is provided with a flange (3) higher than the filter core support (1), the surface of the flange (3) is provided with a plurality of support surfaces (4) at equal intervals, the filter core body is assembled through an external jig (5), the jig (5) is provided with a through hole (6) therein, the filter core body can pass through the through hole (6), and the side wall of the through hole (6) is provided with a stop surface (7) at equal intervals matched with the support surface (4); the jig (5) is sleeved on the filter core body, the support surface (4) is attached to the stop surface (7), and the jig (5) can drive the filter core body to rotate and disassemble.
2. The easy-to-assemble-and-disassemble filter cartridge structure according to claim 1, characterized in that: The filter core shell (2) and the flange (3) are both cylindrical, and the through hole (6) is matched with the flange (3).
3. The easy-to-assemble-and-disassemble filter cartridge structure according to claim 1, wherein: The support surface (4) is a tangent surface of the surface of the flange (3), and the number and width of the stop surface (7) correspond to those of the support surface (4).
4. The easy-to-assemble-and-disassemble filter cartridge structure according to claim 1, wherein: The bottom of the filter core shell (2) is connected with the filter core support (1) through a connecting portion (8), and the connecting portion (8) is arranged at the lower end of the flange (3).
5. The easy-to-assemble-and-disassemble filter cartridge structure according to claim 4, characterized in that: An outer thread (9) is arranged on the connecting portion (8), and an inner thread (10) matched with the outer thread is arranged in the filter core support (1).
6. The easy-to-assemble and disassemble filter cartridge structure of claim 1, wherein: The filter core body further comprises an upper mounting frame (11), a lower mounting frame (12) and a filter core (13), the lower end of the upper mounting frame (11) and the upper end of the lower mounting frame (12) are both provided with an annular insertion slot (14), and the two ends of the filter core (13) are respectively inserted into the insertion slots (14).
7. The easy-to-assemble / disassemble filter cartridge structure of claim 6, wherein: A positioning column (15) is arranged on the filter core support (1), and a positioning groove (16) is arranged at the bottom of the lower mounting frame (12), and the lower mounting frame (12) is inserted into the positioning column (15).
8. The easy-to-assemble / disassemble filter cartridge structure of claim 6, wherein: A first sealing ring (17) is inserted into the top of the upper mounting frame (11), and a second sealing ring (18) is inserted into the bottom of the lower mounting frame (12).
9. The easy-to-assemble / disassemble filter cartridge structure of claim 1, wherein: A third sealing ring (19) is further arranged at the bottom of the filter core shell (2), and the third sealing ring (19) abuts against the filter core shell (2) and the filter core support (1) respectively.
10. The easy-to-assemble and disassemble filter cartridge structure of claim 6, wherein: A plurality of flow channel openings (20) are arranged on the upper mounting frame (11) and the lower mounting frame (12), and a handle (21) is arranged at one end of the jig (5).