Ultralow-resistance filtering device capable of being used for common-plate air pipe connection

Abstract

The utility model provides an ultra-low resistance filtering device capable of being used for common plate air pipe connection, which comprises a box body and a high-efficiency filter, a fixing assembly is arranged on the inner wall of the lower part of the box body, the high-efficiency filter is fixed on the top of the box body through the fixing assembly, and a flange is arranged on the top of the high-efficiency filter. An air outlet is formed in the bottom of the box body, an integrally-formed frame body is installed at the air outlet, a plurality of semi-elliptical blades are arranged in the integrally-formed frame body, an adjusting mechanism used for replacing the filter screen is arranged in the integrally-formed frame body, lifting lugs are arranged on the two sides of the box body, and the lifting lugs are arranged on the two sides of the box body. And the box body is fixed on a ceiling through the lifting lugs. According to the device, the nylon filter screen can be replaced in a drawing and inserting mode through cooperation of the integrally-formed frame body and the nylon filter screen, installation is convenient, the nylon filter screen can be rapidly detached and replaced, the surface of the box body is treated through the electrostatic spraying technology, and the device has the advantages of being high in strength, resistant to corrosion, capable of insulating sound and reducing noise, long in service life and high in practicability.

Description

Technical Field

[0001] The utility model relates to the field of common plate air ducts, in particular to an ultra-low resistance filtering device that can be used for connecting common plate air ducts. Background Art

[0002] The common plate flange duct is also called the flangeless duct. Its manufacturing form is faster and more convenient than the traditional rectangular duct. Its advantages are saving materials and reducing project investment; reducing energy consumption and saving operating costs, which are quite popular among construction companies. The common plate flange duct is generally used in air conditioning and ventilation systems, which have relatively high requirements for filtering performance and require faster replacement of the filter screen. However, the existing filter device connected to the common plate duct is more troublesome when replacing the filter screen. Therefore, it is necessary to design an ultra-low resistance filter device that can be used for the common plate duct connection. Utility Model Content

[0003] In view of the technical defects existing in the background technology, the utility model proposes an ultra-low resistance filtering device that can be used for connecting common plate air ducts, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:

[0004] An ultra-low resistance filtering device that can be used for common plate air duct connection includes a box body and a high-efficiency filter. The inner wall of the lower part of the box body is provided with a fixing component. The high-efficiency filter is fixed to the top of the box body through the fixing component. The top of the high-efficiency filter is installed with a flange. The other end of the flange is externally connected to a reducing flexible flange. The bottom of the box body is provided with an air outlet. The air outlet is installed with an integrated frame body. A plurality of semi-elliptical blades are provided in the integrated frame body. An adjustment mechanism for replacing the filter screen is provided in the integrated frame body. Lifting ears are provided on both sides of the box body, and the box body is fixed to the ceiling through the lifting ears.

[0005] Furthermore, glass fiber filter paper is arranged inside the high efficiency filter, and diamond-shaped protective nets are arranged on both the upper and lower sides of the high efficiency filter.

[0006] Furthermore, a sealing strip is provided at the air inlet of the high efficiency filter.

[0007] Furthermore, the box body is a box body fully welded on all sides.

[0008] Furthermore, a U-shaped cavity cooperating with the adjustment mechanism is provided in the one-piece molded frame, and a replaceable nylon filter is installed in the U-shaped cavity.

[0009] Furthermore, the top of the semi-elliptical blade is triangular.

[0010] Furthermore, the surface of the box is processed by electrostatic spraying technology.

[0011] Furthermore, spring positioning pins are provided on the outer folded edges on both sides of the bottom of the box body.

[0012] Compared with the prior art, the ultra-low resistance filtering device provided by the utility model and applicable to the connection of common plate air ducts has the following beneficial effects:

[0013] The utility model discloses an ultra-low resistance filtering device which can be used for common plate air duct connection. The nylon filter can be replaced by pulling out through the cooperation of an integrally formed frame and a nylon filter. The installation is convenient and the nylon filter can be quickly disassembled and replaced. The surface of the box is treated with electrostatic spraying technology and has the characteristics of high strength, corrosion resistance, sound insulation and noise reduction. It has a long service life and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an ultra-low resistance filtering device that can be used for common plate air duct connection in the utility model.

[0015] Figure 2 for Figure 1 A local enlarged schematic diagram of point A in the middle.

[0016] Figure 3 It is a top view of an ultra-low resistance filtering device that can be used for common plate air duct connection in the utility model.

[0017] Among them, 1. box body, 2. high-efficiency filter, 3. flange, 4. variable diameter flexible flange, 5. one-piece frame, 6. semi-elliptical blades, 7. ears, 8. ceiling, 9. nylon filter. DETAILED DESCRIPTION

[0018] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "middle", "inside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood by specific circumstances.

[0019] The implementation methods of the present invention are described below in conjunction with the accompanying drawings and relevant embodiments. The implementation methods of the present invention are not limited to the following embodiments, and the present invention involves relevant necessary components in this technical field, which should be regarded as common knowledge in this technical field and can be known and mastered by technical personnel in this technical field.

[0020] See also Figure 1-3 , an ultra-low resistance filtering device that can be used for common plate air duct connection, which is used to be connected to the common plate flange air duct, the device comprises a box body 1 and a high-efficiency filter 2, the inner wall of the lower part of the box body 1 is provided with a fixing component, the high-efficiency filter 2 is fixed to the top of the box body 1 through the fixing component, the top of the high-efficiency filter 2 is installed with a flange 3, the other end of the flange 3 is externally connected with a reducing flexible flange 4, the bottom of the box body 1 is provided with an air outlet, the air outlet is installed with an integrated frame body 5, a plurality of semi-elliptical blades 6 are provided in the integrated frame body 5, and two adjacent blades are overlapped, and an adjustment mechanism for replacing the filter screen is provided in the integrated frame body 5, and ears 7 are provided on both sides of the box body 1, and the box body 1 is fixed to the ceiling 8 through the ears 7.

[0021] In one embodiment of the utility model, glass fiber filter paper is arranged inside the high efficiency filter 2, and diamond-shaped protective nets are arranged on both the upper and lower sides of the high efficiency filter 2.

[0022] In one embodiment of the utility model, a sealing strip is provided at the air inlet of the high efficiency filter 2 to make the high efficiency filter 2 more sealed.

[0023] In one embodiment of the present invention, the box body 1 is a box body 1 fully welded on all sides to prevent air leakage.

[0024] In one embodiment of the utility model, a U-shaped cavity cooperating with the adjustment mechanism is provided in the integrally formed frame 5, and a nylon filter for replacement is installed in the U-shaped cavity. Since the nylon filter can be replaced by only pulling and inserting, it is easy to install and can realize quick disassembly and replacement of the nylon filter.

[0025] In one embodiment of the utility model, the top of the semi-elliptical blade 6 is triangular. The inverted triangular blade is conducive to the optimization of the air duct and can evenly deliver the filtered air.

[0026] In one embodiment of the utility model, the surface of the box body 1 is treated by electrostatic spraying technology, which has the characteristics of high strength, corrosion resistance, sound insulation and noise reduction, long service life and strong practicality.

[0027] In an embodiment of the utility model, spring positioning pins are provided on the outer folded edges on both sides of the bottom of the box body 1.

[0028] The utility model discloses an ultra-low resistance filtering device which can be used for common plate air duct connection. The nylon filter can be replaced by pulling out through the cooperation of an integrally formed frame 5 and a nylon filter. The installation is convenient and the nylon filter can be quickly disassembled and replaced. The surface of the box body 1 is treated with electrostatic spraying technology and has the characteristics of high strength, corrosion resistance, sound insulation and noise reduction. It has a long service life and is highly practical.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An ultra-low resistance filter device that can be used for common plate air duct connection, characterized in that: The invention comprises a box body (1) and a high-efficiency filter (2), wherein the inner wall of the lower part of the box body (1) is provided with a fixing component, the high-efficiency filter (2) is fixed to the top of the box body (1) by means of the fixing component, the top of the high-efficiency filter (2) is provided with a flange (3), the other end of the flange (3) is externally connected to a variable-diameter flexible flange (4), the bottom of the box body (1) is provided with an air outlet, the air outlet is provided with an integrally formed frame body (5), a plurality of semi-elliptical blades (6) are provided in the integrally formed frame body (5), an adjustment mechanism for replacing a filter screen is provided in the integrally formed frame body (5), both sides of the box body (1) are provided with hanging ears (7), and the box body (1) is fixed to a ceiling (8) by means of the hanging ears (7).

2. The ultra-low resistance filtering device that can be used for common plate air duct connection according to claim 1 is characterized in that: Glass fiber filter paper is arranged inside the high-efficiency filter (2), and diamond-shaped protective nets are arranged on both the upper and lower sides of the high-efficiency filter (2).

3. The ultra-low resistance filtering device that can be used for common plate air duct connection according to claim 2 is characterized in that: The air inlet of the high efficiency filter (2) is provided with a sealing strip.

4. The ultra-low resistance filtering device that can be used for common plate air duct connection according to claim 1 is characterized in that: The box body (1) is a box body (1) that is fully welded on all sides.

5. The ultra-low resistance filtering device that can be used for common plate air duct connection according to claim 1 is characterized in that: The integrally formed frame (5) is provided with a U-shaped cavity cooperating with the adjustment mechanism, and a replaceable nylon filter is installed in the U-shaped cavity.

6. The ultra-low resistance filtering device that can be used for common plate air duct connection according to claim 1 is characterized in that: The top of the semi-elliptical blade (6) is triangular.

7. The ultra-low resistance filtering device that can be used for common plate air duct connection according to claim 1 is characterized in that: The surface of the box body (1) is processed by electrostatic spraying technology.

8. The ultra-low resistance filtering device that can be used for common plate air duct connection according to claim 1 is characterized in that: Spring positioning pins are provided on the outer folded edges on both sides of the bottom of the box body (1).

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