An air filter cartridge assembly having an annular seal

Abstract

This utility model discloses an air filter assembly with an annular sealing ring, including an air filter body and a telescopic tube. A top cover is installed at one end of the air filter body, and a bottom cover is installed at the other end. A first ring body communicating with the air filter body is installed on the top cover. A second ring body is provided at the end of the first ring body away from the top cover. A mounting groove is recessed on the end face of the second ring body, and the first sealing ring is installed in the mounting groove. An air inlet pipe is installed at one end of the telescopic tube, and the air inlet pipe is inserted into the second ring body. A pressure ring is installed on the outside of the air inlet pipe. An air outlet pipe is installed at the other end of the telescopic tube, and a second sealing ring is installed in the opening of the air outlet pipe. This utility model has a simple structure. The telescopic tube can be extended to the outside, facilitating connection with a fan. The combination of a clamp and a second sealing ring increases the sealing between the tube and the fan, ensuring subsequent filtration quality.

Description

Technical Field

[0001] This utility model relates to the field of air filtration technology, specifically to an air filter assembly with an annular sealing ring. Background Technology

[0002] An air filter is a type of filter, also called an air cartridge, air purifier, or air filter. It is mainly used for indoor air filtration.

[0003] Currently, air filters are generally installed inside a housing, with one end connected to the fan. However, installing the air filter inside the housing makes the connection between the fan and the air filter more complicated, as it is difficult to achieve a precise and sealed connection. This can easily lead to loosening between the fan and the air filter, allowing outside air to enter directly without intermediate filtration, thus affecting the purification effect. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide an air filter element assembly with an annular sealing ring and an added telescopic tube, which facilitates the connection with the fan and increases the sealing performance after connection, so as to solve the problems mentioned in the background art.

[0005] This utility model is achieved through the following technical solution: an air filter assembly with an annular sealing ring, comprising an air filter body and a telescopic tube. A top cover is installed at one end of the air filter body, and a bottom cover is installed at the other end. A first ring body communicating with the air filter body is installed on the top cover. A second ring body is provided at the end of the first ring body away from the top cover. An installation groove is formed by recessing the end face of the second ring body. The first sealing ring is installed in the installation groove. An air inlet pipe is installed at one end of the telescopic tube and is inserted into the second ring body. A pressure ring is installed on the outside of the air inlet pipe. An air outlet pipe is installed at the other end of the telescopic tube, and a second sealing ring is installed in the opening of the air outlet pipe.

[0006] As a preferred technical solution, a connecting sleeve is installed on the outside of the second ring body, and the other end of the connecting sleeve extends to the outside of the first ring body. A positioning groove with an annular structure is provided on the outer ring surface of the first ring body, and a positioning ring is installed on the inner ring surface of the connecting sleeve. The positioning ring is movably disposed in the positioning groove.

[0007] As a preferred technical solution, the intake pipe is provided with an external thread near the opening of the second ring body, and the inner wall surface of the ring body opening is provided with an internal thread. The intake pipe is connected to the internal thread on the ring body through the external thread. The inner side of the pressure ring is set to abut against the end face of the second ring body and the first sealing ring.

[0008] As a preferred technical solution, one end of the second sealing ring is bent outward to form a flange with an annular structure, and the flange is installed on the end face of the air outlet pipe.

[0009] As a preferred technical solution, a clamp is installed on the outside of the vent pipe.

[0010] As a preferred technical solution, the bottom cover protrudes to form an insertion part.

[0011] As a preferred technical solution, both the first sealing ring and the second sealing ring are made of rubber material.

[0012] The beneficial effects of this utility model are: the utility model has a simple structure, and a telescopic tube is added. The telescopic tube can be threadedly connected to the air filter body, and the sealing performance is increased by combining the pressure ring and the first sealing ring. The telescopic tube can be stretched and extended to the outside, which facilitates the connection with the fan. The clamp and the second sealing ring further enhance the sealing performance between the tube and the fan, thus ensuring the subsequent filtration quality. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 A schematic diagram of the structure of this utility model after removing the connecting sleeve;

[0016] Figure 3 This is a partial cross-sectional view of the present invention;

[0017] Figure 4 This is a schematic diagram of the structure of the telescopic tube of this utility model.

[0018] The components are: 1. Air filter body; 2. Top cover; 3. First ring; 4. Second ring; 5. Connecting sleeve; 6. Pressure ring; 7. Inlet pipe; 8. Telescopic pipe; 9. Outlet pipe; 10. Clamp; 11. Second sealing ring; 12. Flanged edge; 13. Bottom cover; 14. Insertion part; 15. Positioning groove; 16. Positioning ring; 17. First sealing ring. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0020] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0021] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an air filter assembly with an annular sealing ring according to the present invention includes an air filter body 1 and a telescopic tube 8. A top cover 2 is installed at one end of the air filter body 1 and a bottom cover 13 is installed at the other end. A first ring 3 communicating with the air filter body 1 is installed on the top cover 2. A second ring 4 is provided at the end of the first ring 3 away from the top cover 2. An installation groove is formed by a recess on the end face of the second ring 4. A first sealing ring 17 is installed in the installation groove. An air inlet pipe 7 is installed at one end of the telescopic tube 8 and is inserted into the second ring 4. A pressure ring 6 is installed on the outside of the air inlet pipe 7. An air outlet pipe 9 is installed at the other end of the telescopic tube 8 and a second sealing ring 11 is installed in the opening of the air outlet pipe 9.

[0023] In this embodiment, a connecting sleeve 5 is installed on the outside of the second ring body 4, and the other end of the connecting sleeve 5 extends to the outside of the first ring body 3. A positioning groove 15 with an annular structure is provided on the outer ring surface of the first ring body 3, and a positioning ring 16 is installed on the inner ring surface of the connecting sleeve 5. The positioning ring 16 is movably disposed in the positioning groove 15.

[0024] In this embodiment, the intake pipe 7 is provided with an external thread near the opening of the second ring body 4, and the inner wall surface of the ring body opening is provided with an internal thread. The intake pipe 7 is connected to the internal thread on the ring body through the external thread. The inner side of the pressure ring 6 is in contact with the end face of the second ring body 4 and the first sealing ring 17.

[0025] In this embodiment, one end of the second sealing ring 11 is bent outward to form a flange 12 with an annular structure. The flange 12 is installed on the end face of the air outlet pipe 9. The flange can increase the contact area between the air outlet pipe and the fan to ensure its sealing performance.

[0026] In this embodiment, a clamp 10 is installed on the outside of the air outlet pipe 9. The clamp can lock the air inlet pipe inward and fix it on the fan to ensure the firmness after installation.

[0027] In this embodiment, the bottom cover 13 protrudes to form an insertion part 14. The diameter of the insertion part matches the corresponding hole inside the device housing, so that it can be inserted stably and the air filter body is positioned.

[0028] In this embodiment, both the first sealing ring 17 and the second sealing ring 11 are made of rubber material. The first sealing ring and the second sealing ring increase the sealing performance between the fan and the telescopic pipe.

[0029] Working principle: The air inlet pipe on the telescopic tube can be threaded into the first ring body. As the air inlet pipe extends, the pressure ring can abut against the end face of the second ring body and the first sealing ring. The pressure ring and the first sealing ring increase the sealing between the air inlet pipe and the air filter body. Then, the air filter body can be pressed into the housing, and the insertion part can be inserted into the corresponding hole in the housing. The telescopic tube can be extended, and the air outlet pipe on the telescopic tube can extend out of the housing, so that the connection between the air filter and the fan can be completed from the outside. During the connection, the flange and the second sealing ring increase the sealing between the air filter and the fan end, and the clamp can lock the air inlet pipe and the fan to ensure its sealing and facilitate the connection.

[0030] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. An air filter cartridge assembly having an annular seal, characterized by: The air filter includes an air filter body (1) and a telescopic tube (8). One end of the air filter body (1) is fitted with a top cover (2) and the other end is fitted with a bottom cover (13). A first ring (3) connected to the air filter body (1) is fitted on the top cover (2). A second ring (4) is provided at the end of the first ring (3) away from the top cover (2). A mounting groove is recessed on the end face of the second ring (4). A first sealing ring (17) is installed in the mounting groove. An air inlet pipe (7) is fitted at one end of the telescopic tube (8). The air inlet pipe (7) is inserted into the second ring (4). A pressure ring (6) is fitted on the outside of the air inlet pipe (7). An air outlet pipe (9) is fitted at the other end of the telescopic tube (8). A second sealing ring (11) is installed in the opening of the air outlet pipe (9).

2. An air cleaner element assembly having an annular seal as set forth in claim 1 wherein: A connecting sleeve (5) is installed on the outside of the second ring body (4). The other end of the connecting sleeve (5) extends to the outside of the first ring body (3). A positioning groove (15) with an annular structure is provided on the outer ring surface of the first ring body (3). A positioning ring (16) is installed on the inner ring surface of the connecting sleeve (5). The positioning ring (16) is movably disposed in the positioning groove (15).

3. The air cleaner cartridge assembly with an annular sealing ring of claim 1 characterized in that: The intake pipe (7) is provided with an external thread near the opening of the second ring body (4), and the inner wall surface of the opening of the ring body is provided with an internal thread. The intake pipe (7) is connected to the internal thread on the ring body through the external thread. The inner side of the pressure ring (6) is in contact with the end face of the second ring body (4) and the first sealing ring (17).

4. The air cleaner cartridge assembly with an annular sealing ring of claim 1 characterized in that: One end of the second sealing ring (11) is bent outward to form a flange (12) with an annular structure, and the flange (12) is installed on the end face of the air outlet pipe (9).

5. The air cleaner cartridge assembly with an annular sealing ring of claim 1 characterized in that: The outside of the vent pipe (9) is fitted with a clamp (10).

6. The air cleaner cartridge assembly with an annular sealing ring of claim 1 further characterized by: An insertion part (14) is formed by protrusion on the bottom cover (13).

7. The air cleaner cartridge assembly with an annular sealing ring of claim 1 characterized in that: Both the first sealing ring (17) and the second sealing ring (11) are made of rubber material.

Images