Filter element convenient to disassemble

Abstract

The filter element comprises a filter cylinder, a supporting cylinder is arranged in the filter cylinder, a supporting plate is fixedly connected to the bottom of the supporting cylinder, the surface of the supporting plate makes contact with the inner wall of the filter cylinder, a connecting sleeve is arranged on the surface of the supporting cylinder in a sleeving mode, and filter cotton is fixedly connected to the surface of the connecting sleeve. A sliding groove is formed in the bottom of the inner wall of the supporting cylinder, a moving block is slidably connected into the sliding groove, the surface of the moving block is slidably connected with the inner wall of the sliding groove, a pull rod is fixedly connected to the top of the moving block, and a pull groove is formed in the top of the inner wall of the supporting cylinder. The top of the pull rod extends into the pull groove and is fixedly connected with a pull block. According to the utility model, the filter element placed in the filter cartridge can be quickly disassembled and assembled, so that the phenomenon that the filter element is inconvenient to take out by a user due to friction between the filter cotton on the surface of the filter element and the interior of the filter cartridge is avoided, and the practicability of the filter element is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, specifically to a filter element that is easy to disassemble. Background Technology

[0002] A filter element is a professional term for filtration and purification functions. It is the core component of a filtration and purification device, used to separate solid particles, impurities, microorganisms and other harmful substances from liquids or gases to achieve the purpose of purification, refinement or protection of downstream equipment. The performance and quality of the filter element directly affect the filtration effect and the operational stability of the system. It is widely used in many fields such as industrial production, domestic water treatment, air purification, medical treatment, and food processing.

[0003] According to patent number 201720544334.4 published on the China Patent Network, this utility model discloses a filter element to solve the technical problem of the contradiction between increasing the filtration area of ​​the filter element and reducing the packaging and transportation costs in the prior art. The filter element includes: a first filter element, and a second filter element that can be selectively placed inside or removed from the first filter element. During operation, the second filter element is removed from the first filter element and connected to it as a whole. During packaging and transportation, the second filter element is placed inside the first filter element. This reduces packaging costs and minimizes the transportation space occupied by a single filter element. This reduces transportation costs. When the filter element is in operation, the second filter element is extracted from the first filter element and connected to it to form a whole. Thus, the filtration area of ​​the entire filter element is equal to the sum of the filtration areas of the first and second filter elements, thereby increasing the total filtration area of ​​the filter element. However, when the filter element is placed inside the filter cartridge, due to the structural characteristics of the filter element itself, the flatness of the inner wall of the filter cartridge, and the coefficient of friction of the material, the surface of the filter element often adheres tightly to the inner wall of the filter cartridge. This tight adhesion can cause significant inconvenience to users when the filter element reaches its preset service life and needs to be replaced. Users cannot easily remove the filter element from the filter cartridge by hand and usually need to use specific tools to complete the disassembly of the filter element.

[0004] Therefore, the filter element needs to be improved to prevent it from becoming difficult to remove after being placed inside the filter cartridge. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a filter element that is easy to disassemble. This design facilitates easy assembly and disassembly of the filter element, solving the problem that when the filter element is placed inside the filter cartridge, factors such as the filter element's structural characteristics, the flatness of the filter cartridge's inner wall, and the coefficient of friction of the material often cause the filter element surface to adhere tightly to the filter cartridge's inner wall. This tight adhesion can cause significant inconvenience to users when the filter element reaches its preset service life and needs replacement, making it difficult for users to remove the filter element from the filter cartridge by hand and usually requiring the use of specific tools to complete the disassembly.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a filter element that is easy to disassemble, comprising a filter cartridge;

[0007] The filter cartridge has a support cylinder inside, and a support plate is fixedly connected to the bottom of the support cylinder. The surface of the support plate is in contact with the inner wall of the filter cartridge. A connecting sleeve is fitted on the surface of the support cylinder, and filter cotton is fixedly connected to the surface of the connecting sleeve. The surface of the filter cotton is in contact with the inner wall of the filter cartridge. A sliding groove is formed at the bottom of the inner wall of the support cylinder, and a moving block is slidably connected inside the sliding groove. The surface of the moving block is slidably connected to the inner wall of the sliding groove. A pull rod is fixedly connected to the top of the moving block. A pull groove is formed at the top of the inner wall of the support cylinder, and the top of the pull rod extends into the pull groove and is fixedly connected to a pull block. The surface of the pull rod is slidably connected to the inner wall of the support cylinder.

[0008] In a preferred embodiment of this utility model, a limiting block is fitted onto the surface of the pull block, the surface of the limiting block is slidably connected to the inner wall of the pull groove, a connecting rod is fixedly connected to the front and rear sides of the bottom of the inner wall of the pull groove, the top of the connecting rod extends into the interior of the limiting block and is fixedly connected to a stop block, the surface of the stop block is slidably connected to the inner wall of the limiting block, and four return springs are fixedly connected to the bottom of the limiting block, the bottom of the return springs is fixedly connected to the bottom of the inner wall of the pull groove.

[0009] As a preferred embodiment of this utility model, a support rod is fixedly connected to the bottom of the inner wall of the chute, and the top of the support rod extends into the interior of the moving block and is fixedly connected to an elliptical clamping plate, the surface of which contacts the inner wall of the moving block.

[0010] As a preferred embodiment of this invention, a sealing ring is fixedly connected to the inner wall of the groove, and the inner wall of the sealing ring is in contact with the surface of the limiting block.

[0011] As a preferred embodiment of this invention, a friction pad is fixedly connected to the top of the elliptical card plate, and the top of the friction pad contacts the top of the inner wall of the moving block.

[0012] As a preferred embodiment of this invention, the pull block has a placement groove inside, which is used in conjunction with the pull block.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model enables quick assembly and disassembly of the filter element placed inside the filter cartridge, avoiding friction between the filter cotton on the surface of the filter element and the inside of the filter cartridge, which would make it difficult for the user to remove the filter element, thus enhancing the practicality of the filter element.

[0015] 2. This utility model can limit the pull block by setting a limiting block, a connecting rod, a stop block and a return spring, so as to prevent the pull block from disengaging from the pull groove after rotating. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a disassembled, enlarged view of the present utility model;

[0018] Figure 3 This is a partial enlarged cross-sectional view of the present invention;

[0019] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0020] In the diagram: 1. Filter cartridge; 2. Support cylinder; 3. Support plate; 4. Connecting sleeve; 5. Filter cotton; 6. Slide groove; 7. Moving block; 8. Pull rod; 9. Pull groove; 10. Pull block; 11. Limiting block; 12. Connecting rod; 13. Stop block; 14. Return spring; 15. Support rod; 16. Elliptical clamping plate; 17. Sealing ring; 18. Friction pad; 19. Placement groove. Detailed Implementation

[0021] 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.

[0022] like Figures 1 to 4 As shown, the present invention provides a filter element that is easy to disassemble, including a filter cartridge 1;

[0023] The filter cartridge 1 has a support cylinder 2 inside. A support plate 3 is fixedly connected to the bottom of the support cylinder 2. The surface of the support plate 3 is in contact with the inner wall of the filter cartridge 1. A connecting sleeve 4 is fitted on the surface of the support cylinder 2. Filter cotton 5 is fixedly connected to the surface of the connecting sleeve 4. The surface of the filter cotton 5 is in contact with the inner wall of the filter cartridge 1. A sliding groove 6 is opened at the bottom of the inner wall of the support cylinder 2. A moving block 7 is slidably connected inside the sliding groove 6. The surface of the moving block 7 is slidably connected to the inner wall of the sliding groove 6. A pull rod 8 is fixedly connected to the top of the moving block 7. A pull groove 9 is opened at the top of the inner wall of the support cylinder 2. The top of the pull rod 8 extends into the pull groove 9 and is fixedly connected to a pull block 10. The surface of the pull rod 8 is slidably connected to the inner wall of the support cylinder 2.

[0024] refer to Figure 4 A limiting block 11 is fitted on the surface of the pull block 10. The surface of the limiting block 11 is slidably connected to the inner wall of the pull groove 9. A connecting rod 12 is fixedly connected to the front and rear sides of the bottom of the inner wall of the pull groove 9. The top of the connecting rod 12 extends into the interior of the limiting block 11 and is fixedly connected to a stop block 13. The surface of the stop block 13 is slidably connected to the inner wall of the limiting block 11. Four return springs 14 are fixedly connected to the bottom of the limiting block 11. The bottom of the return springs 14 is fixedly connected to the bottom of the inner wall of the slide groove 6.

[0025] As a technical optimization of this utility model, by setting a limiting block 11, a connecting rod 12, a stop block 13 and a reset spring 14, the pull block 10 can be limited to prevent the pull block 10 from disengaging from the pull groove 9 after rotating.

[0026] refer to Figure 3 A support rod 15 is fixedly connected to the bottom of the inner wall of the slide 6. The top of the support rod 15 extends into the interior of the moving block 7 and is fixedly connected to an elliptical clamping plate 16. The surface of the elliptical clamping plate 16 contacts the inner wall of the moving block 7.

[0027] As a technical optimization of this utility model, by setting the support rod 15 and the elliptical clamping plate 16, the moving block 7 can be limited, thus preventing the moving block 7 from moving arbitrarily.

[0028] refer to Figure 3 A sealing ring 17 is fixedly connected to the inner wall of the groove 9, and the inner wall of the sealing ring 17 is in contact with the surface of the limiting block 11.

[0029] As a technical optimization of this utility model, by setting the sealing ring 17, the surface of the limiting block 11 can be in closer contact with the inner wall of the groove 9, thereby increasing the contact area between the limiting block 11 and the groove 9.

[0030] refer to Figure 3 A friction pad 18 is fixedly connected to the top of the elliptical plate 16, and the top of the friction pad 18 contacts the top of the inner wall of the moving block 7.

[0031] As a technical optimization of this utility model, by setting the friction pad 18, the moving block 7 can be limited, thus preventing the moving block 7 from rotating due to lack of friction.

[0032] refer to Figure 4 The pull block 10 has a placement groove 19 inside, which is used in conjunction with the pull block 10.

[0033] As a technical optimization of this utility model, by setting the placement groove 19, it is easier for the user to push and pull the pull block 10, thereby improving the user's comfort.

[0034] The working principle and usage process of this utility model are as follows: When in use, first open the top of the filter cartridge 1. After opening, press down on the limiting block 11. The limiting block 11 drives the return spring 14 to move downward. After moving to the extreme position, the pull block 10 is exposed. Then, the user rotates the pull rod 8 through the pull block 10. The pull rod 8 drives the moving block 7 to rotate. After rotating to 90 degrees, pull the pull block 10 upward. The pull block 10 drives the pull rod 8 and the moving block 7 to move upward, so that the moving block 7 is away from the elliptical card plate 16. After moving to the extreme position, the user pulls out the support cylinder 2, support plate 3, connecting sleeve 4 and filter cotton 5 together. After the filter element is completely pulled out, the user removes the connecting sleeve 4 and filter cotton 5 that are sleeved on the surface of the support cylinder 2 and replaces them. After replacement, the above operation is reversed to put the filter element back into the filter cartridge 1.

[0035] In summary: This easily removable filter element, with the connecting sleeve 4, allows users to easily remove the filter cotton 5 from the surface of the support cylinder 2 for replacement, preventing the need to replace the entire filter element and thus increasing practical costs; the moving block 7, pull rod 8, and pull block 10 allow users to easily pull the filter element out of the filter cylinder 1, preventing the filter element from getting stuck inside the filter cylinder 1; and the limiting block 11, connecting rod 12, stop block 13, and return spring 14 limit the pull block 10, preventing it from being pulled out. The 0 exhibits a self-rotating phenomenon, thus providing the advantage of easy disassembly and assembly of the filter element. This solves the problem that when the filter element is placed inside the filter cartridge, factors such as the filter element's own structural characteristics, the flatness of the filter cartridge's inner wall, and the coefficient of friction of the material often cause the filter element surface to adhere tightly to the filter cartridge's inner wall. This tight adhesion can cause significant inconvenience to users when the filter element reaches its preset service life and needs to be replaced. Users cannot easily remove the filter element from the filter cartridge by hand and usually need to use specific tools to complete the filter element disassembly.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filter element that is easy to disassemble, comprising a filter cartridge (1); Its characteristics are: The filter cylinder (1) is provided with a support cylinder (2) inside. A support plate (3) is fixedly connected to the bottom of the support cylinder (2). The surface of the support plate (3) is in contact with the inner wall of the filter cylinder (1). A connecting sleeve (4) is sleeved on the surface of the support cylinder (2). Filter cotton (5) is fixedly connected to the surface of the connecting sleeve (4). The surface of the filter cotton (5) is in contact with the inner wall of the filter cylinder (1). A sliding groove (6) is opened at the bottom of the inner wall of the support cylinder (2). A moving block (7) is slidably connected inside the sliding groove (6). The surface of the moving block (7) is slidably connected to the inner wall of the sliding groove (6). A pull rod (8) is fixedly connected to the top of the moving block (7). A pull groove (9) is opened at the top of the inner wall of the support cylinder (2). The top of the pull rod (8) extends into the pull groove (9) and is fixedly connected to a pull block (10). The surface of the pull rod (8) is slidably connected to the inner wall of the support cylinder (2).

2. The filter element that is easy to disassemble according to claim 1, characterized in that: The surface of the pull block (10) is fitted with a limiting block (11), the surface of the limiting block (11) is slidably connected to the inner wall of the pull groove (9), the front and rear sides of the bottom of the inner wall of the pull groove (9) are fixedly connected with connecting rods (12), the top of the connecting rod (12) extends into the interior of the limiting block (11) and is fixedly connected with a stop block (13), the surface of the stop block (13) is slidably connected to the inner wall of the limiting block (11), and four return springs (14) are fixedly connected to the bottom of the limiting block (11), the bottom of the return springs (14) is fixedly connected to the bottom of the inner wall of the slide groove (6).

3. The filter element that is easy to disassemble according to claim 1, characterized in that: A support rod (15) is fixedly connected to the bottom of the inner wall of the chute (6). The top of the support rod (15) extends into the interior of the moving block (7) and is fixedly connected to an elliptical clamping plate (16). The surface of the elliptical clamping plate (16) is in contact with the inner wall of the moving block (7).

4. The filter element that is easy to disassemble according to claim 2, characterized in that: A sealing ring (17) is fixedly connected to the inner wall of the groove (9), and the inner wall of the sealing ring (17) is in contact with the surface of the limiting block (11).

5. A filter element that is easy to disassemble according to claim 3, characterized in that: A friction pad (18) is fixedly connected to the top of the elliptical plate (16), and the top of the friction pad (18) contacts the top of the inner wall of the moving block (7).

6. The filter element that is easy to disassemble according to claim 1, characterized in that: The pull block (10) has a placement groove (19) inside, which is used in conjunction with the pull block (10).

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