FFU fan

Abstract

The utility model discloses an FFU fan which comprises an FFU fan shell, an air inlet cover is installed on the surface of the top of the FFU fan shell, a fan is installed in the air inlet cover, cavities are formed in the lower portions of the two sides of the FFU fan shell, clamping plates are arranged in the cavities, connecting plates are welded to the sides, away from each other, of the two sets of clamping plates, and the two sets of clamping plates are welded to the connecting plates. And multiple sets of springs are fixedly installed on the sides, away from each other, of the two sets of connecting plates, a push plate is slidably connected to one side of the surface of the bottom of each connecting plate, a mounting groove is formed in the surface of the bottom of the FFU fan shell, a high-efficiency filter is installed in the mounting groove, and a clamping groove is formed in the outer ring of the lower portion of the high-efficiency filter. According to the FFU fan, by arranging the clamping plate, the connecting plate, the spring and the like, the purpose of conveniently disassembling and assembling the efficient filter can be achieved, operation is very convenient, overall disassembling of the FFU fan is avoided, and the workload is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of FFU fans, in particular to a FFU fan. Background Art

[0002] FUU fan is a fan filter unit, which can be moved to clean room and clean workbench. However, the existing FFU fans are all assembled together by bolts. Especially for FFU fans, after the FFU fans have been working for a long time, it may be necessary to clean or replace the high-efficiency filters in the FFU fans. In this case, the FFU fans need to be dismantled, and the filters in the FFU fans need to be dismantled and cleaned or replaced by corresponding tools. The operation is particularly troublesome. Therefore, we propose an FFU fan to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a FFU fan to solve the problems raised in the background technology in view of the shortcomings of the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an FFU fan, comprising an FFU fan housing, an air inlet hood installed on the top surface of the FFU fan housing, and a fan installed in the air inlet hood, cavities are opened at the lower part of both sides of the FFU fan housing, and clamping plates are arranged in the cavities, and connecting plates are welded on the sides away from each other of the two groups of clamping plates, and multiple groups of springs are fixedly installed on the sides away from each other of the two groups of connecting plates, a push plate is slidably connected to one side of the bottom surface of the connecting plate, an installation groove is opened on the bottom surface of the FFU fan housing, and a high-efficiency filter is installed in the installation groove, and a clamping groove is opened on the lower outer ring of the high-efficiency filter.

[0005] As the preferred technical solution of the utility model, the card plate is semicircular, and the card plate matches the card slot opened in the lower outer ring of the high-efficiency filter, and the top surface of the push plate is slidably connected to the bottom inner wall of the cavity opened in the FFU fan housing.

[0006] As a preferred technical solution of the utility model, the other ends of the springs installed on the side away from each other in the two groups of springs are respectively fixedly connected to the inner wall of one side of the cavity opened in the lower part of the two sides of the FFU fan housing.

[0007] As a preferred technical solution of the utility model, the high-efficiency filter is a special filter for the FFU fan, and a sealing ring is provided on the top of the high-efficiency filter.

[0008] As the preferred technical solution of the utility model, an air inlet filter is installed on the top of the air inlet cover, and maintenance pedals are installed on both sides of the top surface of the FFU fan housing, and an electrical box is installed in the maintenance pedal located on the right side of the FFU fan housing, and handles are fixedly installed on both sides of the top surface of the FFU fan housing.

[0009] As a preferred technical solution of the utility model, through holes are provided on both sides of the bottom surface of the FFU fan housing, penetrating through and extending into the cavity provided in the FFU fan housing, and the push plate is located in the through holes and moves.

[0010] As a preferred technical solution of the utility model, a limiting groove is provided on one inner wall of the through hole provided on both sides of the bottom surface of the FFU fan housing, and the limiting groove matches the push plate.

[0011] Compared with the prior art, the utility model provides a FFU fan, which has the following beneficial effects:

[0012] The FFU fan, by setting a card plate, a connecting plate and a spring, etc., can push the push plate to be moved out of the card slot provided on the high-efficiency filter through the connecting plate, and can push the push plate to one side to push the push plate into the limiting slot provided on the FFU fan housing. At this time, the high-efficiency filter can be disassembled, and the high-efficiency filter after cleaning or replacement can be installed on the FFU fan. After that, the push plate can be moved out of the limiting slot provided on the FFU fan housing, and under the elastic action of the spring, the card plate can be driven by the connecting plate to be stuck in the card slot provided in the lower part of the outer ring of the high-efficiency filter, thereby achieving the purpose of facilitating the installation of the high-efficiency filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the lower part of the FFU fan housing of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the card board of the utility model;

[0016] Figure 4 It is a schematic diagram of the bottom structure of the utility model.

[0017] Figure numerals: 1. FFU fan housing; 2. handle; 3. maintenance pedal; 4. air inlet cover; 5. air inlet filter; 6. spring; 7. push plate; 8. clamping plate; 9. high efficiency filter; 10. connecting plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 4 In the present embodiment: an FFU fan comprises an FFU fan housing 1, an air inlet cover 4 is installed on the top surface of the FFU fan housing 1, and a fan is installed in the air inlet cover 4 to inhale air from the outside, cavities are provided at the lower parts of both sides of the FFU fan housing 1, and card plates 8 are provided in the cavities, and connecting plates 10 are welded on the sides away from each other of the two groups of card plates 8, and multiple groups of springs 6 are fixedly installed on the sides away from each other of the two groups of connecting plates 10, and push plates 7 are slidably connected to one side of the bottom surface of the connecting plate 10, an installation groove is provided on the bottom surface of the FFU fan housing 1, and a high-efficiency filter 9 is installed in the installation groove, the high-efficiency filter 9 can be a special high-efficiency filter used by the FFU fan, and a card groove is provided on the lower outer ring of the high-efficiency filter 9, and the card plate 8 can be inserted into the card groove.

[0020] In this embodiment, the card plate 8 is in a semicircular shape, and the card plate 8 and the card slot opened by the lower outer ring of the high-efficiency filter 9 match each other, and the card plate 8 can be inserted into the card slot opened by the high-efficiency filter 9. The top surface of the push plate 7 is slidably connected to the bottom inner wall of the cavity opened by the FFU fan housing 1. The other ends of the springs 6 installed on the side away from each other of the two groups of springs 6 are respectively fixedly connected to the inner wall of one side of the cavity opened at the lower part of the two sides of the FFU fan housing 1. The high-efficiency filter 9 is a special filter for the FFU fan, and a sealing ring is provided on the top of the high-efficiency filter 9 to play a sealing role to prevent unfiltered air from entering. An air inlet filter 5 is installed on the top of the air inlet cover 4, and the FFU fan Maintenance pedals 3 are installed on both sides of the top surface of the shell 1 to facilitate maintenance of the FFU filter, and an electrical box is installed in the maintenance pedal 3 located on the right side of the FFU fan shell 1. Handles 2 are fixedly installed on both sides of the top surface of the FFU fan shell 1 to facilitate picking up and moving the FFU filter. Through holes are opened on both sides of the bottom surface of the FFU fan shell 1 and extend into the cavity opened by the FFU fan shell 1, and the push plate 7 is moved in the through hole. A limiting groove is opened on the inner wall of one side of the through hole opened on both sides of the bottom surface of the FFU fan shell 1, and the limiting groove matches the push plate 7, so that the push plate 7 can be stuck in this limiting groove when sliding to one side.

[0021] The working principle and use process of the utility model: for this kind of FFU fan, after the FFU fan has been used for a long time, when the high-efficiency filter 9 needs to be disassembled for cleaning or replacement, the push plate 7 can be pushed at this time, which can drive the connecting plate 10 to move, and then drive the card plate 8 to move, so that the card plate 8 can be moved out of the card slot provided on the high-efficiency filter 9, and then the push plate 7 can be pushed to one side so that the push plate 7 is pushed into the limiting groove provided in the FFU fan housing 1. At this time, the high-efficiency filter 9 can be disassembled, the high-efficiency filter 9 can be cleaned or replaced, and then the high-efficiency filter 9 after cleaning or replacement can be installed on the FFU fan. At this time, the push plate 7 can be moved out of the limiting groove provided in the FFU fan housing 1, and at this time, under the elastic action of the spring 6, the card plate 8 can be driven to move through the connecting plate 10, and the card plate 8 can be stuck into the card slot provided in the lower part of the outer ring of the high-efficiency filter 9, thereby achieving the purpose of facilitating the installation of the high-efficiency filter 9.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An FFU fan, comprising an FFU fan housing (1), characterized in that: An air inlet hood (4) is installed on the top surface of the FFU fan housing (1), and a fan is installed in the air inlet hood (4). Cavities are provided at the lower parts of both sides of the FFU fan housing (1), and clamping plates (8) are provided in the cavities. Connecting plates (10) are welded to the sides of the two groups of clamping plates (8) away from each other, and multiple groups of springs (6) are fixedly installed on the sides of the two groups of connecting plates (10) away from each other. A push plate (7) is slidably connected to one side of the bottom surface of the connecting plate (10). An installation groove is provided on the bottom surface of the FFU fan housing (1), and a high-efficiency filter (9) is installed in the installation groove. A clamping groove is provided on the lower outer ring of the high-efficiency filter (9).

2. The FFU fan according to claim 1, characterized in that: The card plate (8) is in a semicircular shape, and the card plate (8) matches the card slot provided on the lower outer ring of the high-efficiency filter (9), and the top surface of the push plate (7) is slidably connected to the bottom inner wall of the cavity provided on the FFU fan housing (1).

3. The FFU fan according to claim 1, characterized in that: The other ends of the springs (6) installed on the side away from each other of the two groups of springs (6) are respectively fixedly connected to the inner wall of one side of the cavity opened at the lower part of the two sides of the FFU fan housing (1).

4. The FFU fan according to claim 1, characterized in that: The high-efficiency filter (9) is a filter dedicated to the FFU fan, and a sealing ring is provided on the top of the high-efficiency filter (9).

5. The FFU fan according to claim 1, characterized in that: An air inlet filter (5) is installed on the top of the air inlet cover (4), and maintenance pedals (3) are installed on both sides of the top surface of the FFU fan housing (1), and an electrical box is installed in the maintenance pedal (3) located on the right side of the FFU fan housing (1), and handles (2) are fixedly installed on both sides of the top surface of the FFU fan housing (1).

6. The FFU fan according to claim 1, characterized in that: Through holes are provided on both sides of the bottom surface of the FFU fan housing (1) and penetrate through and extend into the cavity provided in the FFU fan housing (1), and the push plate (7) is located in the through hole and moves.

7. The FFU fan according to claim 1, characterized in that: A limiting groove is provided on one inner wall of the through hole provided on both sides of the bottom surface of the FFU fan housing (1), and the limiting groove matches the push plate (7).

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