Air filter element

Abstract

The utility model discloses an air filter element which comprises an inner framework, an outer framework, filter paper, an upper end cover and a lower end cover, the outer framework is V-shaped, and an opening structure is formed in the upper end position of the outer framework; the inner framework is arranged in the outer framework and is V-shaped, and an opening structure is also formed in the upper end position of the inner framework; the lower end position of the outer framework and the lower end position of the inner framework form a closed structure through the lower end cover; a closed structure is formed between the upper end position of the outer framework and the upper end position of the inner framework through the upper end cover; a through hole is formed in the upper end cover, and the through hole is communicated with the interior of the inner framework; the filter paper is laid between the outer framework and the inner framework to form a filtering surface. The performance of the air filtering system can be improved, so that a cleaner and healthier air environment is provided.

Description

Technical Field

[0001] The utility model relates to an air filter element, and more specifically, to an air filter element. Background Art

[0002] An air filter element is a filter, also known as an air filter cartridge, air cleaner, air filter, etc. It is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operating rooms, and various precision operating rooms. With the in-depth research on air filters, the requirements for air filters are also getting higher and higher. Some new types of air filters have emerged, such as fiber filter element air filters, composite filter material air filters, noise-reducing air filters, constant-temperature air filters, etc., to meet the working needs of engines.

[0003] However, the existing filter elements are generally of a circular cylindrical structure, which has strict limitations on space utilization, resulting in the disadvantages of too small filtration area and large occupied area during use. Summary of the Utility Model

[0004] Aiming at the defects existing in the prior art, the purpose of the utility model is to provide an air filter element, which can greatly increase the filtration area under the same space conditions and construct a flushing self-cleaning function, improve the performance of the air filtration system, and provide a cleaner and healthier air environment.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An air filter element includes an inner skeleton, an outer skeleton, filter paper, an upper end cover, and a lower end cover;

[0007] The outer skeleton is arranged in a V shape, and an opening structure is formed at the upper end position of the outer skeleton;

[0008] The inner skeleton is arranged inside the outer skeleton and is arranged in a V shape, and an opening structure is also formed at the upper end position of the inner skeleton;

[0009] The lower end positions of the outer skeleton and the inner skeleton both form a closed structure through the lower end cover;

[0010] A closed structure is formed between the upper end positions of the outer skeleton and the inner skeleton through the upper end cover;

[0011] A through hole is opened on the upper end cover, and the through hole is communicated with the inside of the inner skeleton;

[0012] The filter paper is laid between the outer skeleton and the inner skeleton to form a filtration surface.

[0013] Preferably, the through hole is arranged at the center position of the upper end cover.

[0014] Preferably, the long side and short side of the through hole are adapted to the long side and short side of the upper end position of the inner framework.

[0015] Preferably, a sealing strip is provided on the edge of the through hole.

[0016] Preferably, a guard plate is provided between the side position of the outer framework and the side position of the inner framework.

[0017] An air filter element provided by the present utility model has the following beneficial effects:

[0018] 1) The filter area of the filter element is large. A large filter area means that more particulate matters can be effectively captured and filtered, thus significantly improving the overall filtering effect. The present utility model enables the filter element to achieve an efficient filtering function within a limited volume;

[0019] 2) The filter area of the filter element is large, but the space occupied by the filter element is relatively small. The conical cross-section design in the present utility model can minimize the requirement for installation space while maintaining efficient filtering. This is undoubtedly a great advantage for those application scenarios with limited space.

[0020] 3) Due to the increase in the filter area and the optimized utilization of space to the maximum extent, the filtering effect of the filter element is better. It can more effectively remove particulate matters, dust and other impurities in the air, providing a cleaner and healthier air environment for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural view of the air filter element of the present utility model, (a) is a front sectional view, and (b) is a top view;

[0022] Figure 2 is a three-dimensional schematic view of the air filter element of the present utility model;

[0023] Figure 3 is a schematic view of applying horizontal glue when preparing the air filter element of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to better understand the above technical solutions of the present utility model, the technical solutions of the present utility model will be further described below with reference to the drawings and embodiments.

[0025] Combined with Figure 1 and Figure 2 shown, an air filter element provided by the present utility model includes an inner framework 5, an outer framework 3, a filter paper 4, an upper end cover 2 and a lower end cover 6.

[0026] The outer framework 3 is arranged in a V shape, and an open structure is formed at the upper end position of the outer framework 3.

[0027] The inner framework 5 is also arranged in a V shape and installed inside the outer framework 3. An opening structure is also formed at the upper end position of the inner framework 5.

[0028] The large-mouth end and the small-mouth end of the outer framework 3 and the inner framework 5 are arranged on the same side.

[0029] The lower end positions of the outer framework 3 and the inner framework 5 are both connected to the lower end cover 6, and a closed structure is formed through the lower end cover 6.

[0030] The upper end cover 2 is installed at the position between the upper end position of the outer framework 3 and the upper end position of the inner framework 5, and a closed structure is formed through the upper end cover 2.

[0031] A rectangular through-hole 21 is opened at the central position of the upper end cover 2. The through-hole 21 is connected to the opening structure at the upper end position of the inner framework 5 and penetrates through the inside of the inner framework 5.

[0032] The filter paper 4 is laid between the outer framework 3 and the inner framework 5 to form a filtering surface.

[0033] The long side and the short side of the through-hole 21 are adapted to the long side and the short side of the opening structure at the upper end position of the inner framework 5.

[0034] A sealing strip 1 is arranged on the edge of the through-hole 21. The sealing strip 1 is located on the outer surface of the upper end cover 2.

[0035] A guard plate 7 is further arranged between the side position of the outer framework 3 and the side position of the inner framework 5.

[0036] The air filter element of the present utility model as a whole adopts a rectangular structure. Through the V-shaped design of the inner framework 5 and the outer framework 3, it is divided into two layers of filter paper up and down. The opening degree at the upper end is greater than that at the lower end, forming a conical structure.

[0037] The cross-section of the air filter element of the present utility model is set as a rectangle. The folding distance and the number of folds are more than those of a circular filter cartridge. The filtering area is increased by 36.8% compared with the filtering area of a circular filter cartridge.

[0038] The longitudinal section of the air filter element of the present utility model is set as a cone, which can optimize the air flow path. Compared with other shapes, the conical design enables the air to flow more smoothly when entering the air filter element, reduces the flow resistance and the eddy current phenomenon, and is more helpful to ensure that the air can pass through the filter element more efficiently, thereby improving the intake efficiency.

[0039] The conical cross-section of the air filter element of the present utility model can also improve the filtering efficiency of the air filter element. Due to the optimization of the air flow path, the particulate matter in the air is more easily captured when passing through the air filter element. The conical cross-section design can ensure the uniform distribution of the particulate matter inside the air filter element and improve the utilization efficiency of the filtering area.

[0040] In addition, the conical cross-section of the air filter of the present utility model also has a certain self-cleaning function. During the use of the air filter, some particulate matters may adhere to the surface of the air filter. Due to the conical design, when the air flow passes through the air filter, a certain flushing and self-cleaning effect can be generated, which helps to wash away the particulate matters adhering to the surface of the air filter, thereby prolonging the service life of the air filter.

[0041] When preparing the air filter of the present utility model, the following steps are included:

[0042] S1, manufacturing the filter paper 4;

[0043] S2, pouring glue into the guard plate 7 and inserting and installing the inner framework 5 and the outer framework 3;

[0044] S3, applying 5 transverse glues on the contact surfaces of the inner framework 5, the outer framework 3 and the filter paper 4;

[0045] S4, pouring glue into the upper end cover 2 and the lower end cover 6 and installing the filter paper 4 manufactured in step S1;

[0046] S5, installing the sealing strip 1 after the glue solidifies.

[0047] The above step S1 specifically includes:

[0048] The cut filter material is processed through a folder according to the specification requirements for the fold distance and the number of folds to form the filter paper 4 that meets the filtration requirements.

[0049] Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the present utility model and are not used to limit the present utility model. As long as it is within the scope of the essential spirit of the present utility model, changes and modifications to the above embodiments will fall within the scope of the claims of the present utility model.

Claims

1. An air filter element, characterized in that: It includes an inner frame, an outer frame, filter paper, an upper end cover and a lower end cover; The exoskeleton is arranged in a V shape, and the upper end of the exoskeleton forms an open structure; The inner frame is arranged inside the outer frame in a V-shape, and the upper end of the inner frame also forms an open structure; The lower end position of the outer frame and the lower end position of the inner frame are both closed by the lower end cover; A closed structure is formed between the upper end position of the outer frame and the upper end position of the inner frame by the upper end cover; The upper end cover is provided with a through hole, the through hole being communicated with the interior of the inner frame; The filter paper is laid between the outer frame and the inner frame to form a filtering surface.

2. The air filter element according to claim 1, characterized in that: The through hole is arranged at the center position of the upper end cover.

3. The air filter element according to claim 2, characterized in that: The long side and the short side of the through hole are adapted to the long side and the short side of the upper end of the inner frame.

4. The air filter element according to claim 2, characterized in that: A sealing strip is provided on the edge of the through hole.

5. The air filter element according to claim 1, characterized in that: A guard plate is provided between the side edge of the outer frame and the side edge of the inner frame.

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