Air suspension centrifugal fan shell structure convenient to disassemble and assemble

Abstract

The utility model discloses an air suspension centrifugal fan shell structure convenient to disassemble and assemble, relates to the technical field of air suspension centrifugal fans, and aims to solve the problems that when an existing air suspension centrifugal fan breaks down and is overhauled, the whole fan is disassembled from the interior of a case, the process is tedious, time and labor are wasted, and the maintenance cost is high. According to the technical scheme, the fan shell is characterized by comprising a shell body, a groove is formed in the shell body, a supporting plate is fixedly connected to the inner side of the groove, a sealing groove is formed in the supporting plate, a cover plate is connected to the interior of the groove in a clamped mode, and the cover plate is fixedly connected to the inner side of the groove. One end of the inner side of the cover plate is fixedly connected with a sealing strip, and the other end of the inner side of the cover plate is fixedly connected with a sealing plate. The effects of being convenient to disassemble, assemble and use are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of air suspension centrifugal fans, in particular to a shell structure of an air suspension centrifugal fan which is easy to disassemble and assemble. Background Art

[0002] The air-suspended centrifugal fan is an integrated machine of a permanent magnet motor and a centrifugal fan, sharing a common shaft. The fan has a small impeller and a high speed to ensure high wind pressure and sufficient air volume. It is based on dynamic pressure air bearing technology and permanent magnet direct-drive motor technology. It uses air-suspended bearings to make the fan shaft self-suspended when rotating at high speed. The air-suspended centrifugal blower is different from the traditional Roots blower. Compared with the Roots blower, the air-suspended centrifugal blower reduces the friction loss of equipment operation and saves electricity. There is no mechanical wear, only wind friction loss, and the wind friction power consumption is within 200W. Compared with the magnetic suspension fan, the air suspension fan has no magnetic field circuit and is not afraid of emergency stop and power failure.

[0003] The above-mentioned existing technical solutions have the following defects: when a fault occurs inside the existing air suspension centrifugal fan and it is repaired, the entire fan is disassembled from the inside of the chassis, which is a cumbersome, time-consuming and labor-intensive process. The fan casing lacks a structure for quick disassembly and assembly, which affects the maintenance efficiency. Utility Model Content

[0004] The utility model aims to provide an air suspension centrifugal fan casing structure which is easy to disassemble and assemble.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A housing structure of an air-suspended centrifugal fan that is easy to disassemble and assemble comprises a housing, a groove is provided inside the housing, a support plate is fixedly connected to the inner side of the groove, a sealing groove is provided inside the support plate, a cover plate is snap-connected to the inner side of the groove, a sealing strip is fixedly connected to one end of the inner side of the cover plate, a sealing plate is fixedly connected to the other end of the inner side of the cover plate, a first fixing block is fixedly connected to the outer side of the housing, a first slot is provided inside the first fixing block, a second fixing block is fixedly connected to the outer side of the cover plate, a second slot is provided inside the second fixing block, a connecting rod is provided on the outer side of the housing, a screw is fixedly connected to the outer side of the connecting rod, and a locking nut is installed on the outer side of the screw.

[0007] By adopting the above technical solution, a groove is opened at the upper end of the original shell, and a cover plate is added. The cover plate can be opened to inspect the internal structure without disassembling the entire fan. At the same time, the sealing groove, sealing strip and sealing plate are added to improve the sealing effect of the cover plate connection to prevent water ingress. Two types of fixing blocks are added, and a screw is added to the outside of the connecting rod. The screw is engaged in the groove and both ends are locked by locking nuts. This not only achieves locking and fixing, but also allows the connecting rod to be used as a handle to lift the fan as a whole.

[0008] Furthermore, the support plate and the sealing groove are symmetrically provided with two each, the sealing strip and the sealing plate are symmetrically provided with two each, the sealing strip is engaged in the inside of the sealing groove and fits tightly with the sealing groove, and one side of the outer side of the sealing plate fits tightly with the inner side of the groove.

[0009] By adopting the above technical solution, the connection between the cover plate and the groove can be sealed by means of the sealing strip and the sealing plate with a symmetrical structure, thereby improving the sealing effect and preventing water from entering, so that the fan can be used safely.

[0010] Furthermore, the first fixing blocks and the second fixing blocks are symmetrically arranged in two groups, each group of the first fixing blocks and the second fixing blocks is respectively provided with two, and the first fixing blocks and the second fixing blocks are fitted with each other.

[0011] By adopting the above technical solution, the fixing block with a symmetrical structure design can be used as a locking and fixing component, which is convenient to use.

[0012] Furthermore, the first slot and the second slot are of the same size and the same specification, the screw is engaged inside the first slot and the second slot, and the screw is threadedly connected to the locking nut.

[0013] By adopting the above technical solution, the card slot has a consistent structure, and the structure of the card slot is convenient for installing the screw into it. After locking and fixing, the overall structure can also be used normally.

[0014] In summary, the beneficial technical effects of the utility model are:

[0015] 1. The groove, cover plate, sealing strip and sealing plate are used. The housing is provided with a groove, and the cover plate is clamped inside the groove. The sealing strip is clamped with the groove, and the sealing plate is fitted with the inner side of the groove, so that the joint between the cover plate and the groove can be sealed, which is convenient for disassembly and maintenance, and can also improve the sealing effect, resulting in the effect of convenient disassembly and assembly;

[0016] 2. A fixing block, a slot, a screw and a locking nut are used. By adding a first fixing block and a second fixing block, engaging the screw inside the first slot and the second slot at the same time, and then locking and fixing it with a locking nut, the cover plate can be fixed. At the same time, the connecting rod can also be used as an auxiliary lifting component, which makes it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the housing of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the cover plate of the utility model;

[0020] Figure 4 The overall structure of the utility model is shown in FIG. Figure 2 .

[0021] In the figure, 1, shell; 2, groove; 3, support plate; 4, sealing groove; 5, cover plate; 6, sealing strip; 7, sealing plate; 8, first fixing block; 9, first slot; 10, second fixing block; 11, second slot; 12, connecting rod; 13, screw rod; 14, locking nut. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0023] Reference Figure 1-4 A housing structure of an air suspension centrifugal fan that is easy to disassemble and assemble comprises a housing 1, a groove 2 is provided inside the housing 1, a support plate 3 is fixedly connected to the inner side of the groove 2, a sealing groove 4 is provided inside the support plate 3, a cover plate 5 is snap-connected to the inner side of the groove 2, a sealing strip 6 is fixedly connected to one end of the inner side of the cover plate 5, a sealing plate 7 is fixedly connected to the other end of the inner side of the cover plate 5, a first fixing block 8 is fixedly connected to the outer side of the housing 1, a first slot 9 is provided inside the first fixing block 8, a second fixing block 8 is fixedly connected to the outer side of the cover plate 5 Block 10, a second slot 11 is provided inside the second fixed block 10, a connecting rod 12 is provided on the outside of the shell 1, a screw 13 is fixedly connected to the outside of the connecting rod 12, a locking nut 14 is installed on the outside of the screw 13, a groove 2 is opened on the upper end of the original shell 1, and a cover plate 5 is added at the same time, the cover plate 5 can be opened to inspect the internal structure without disassembling the entire fan, and the sealing groove 4, the sealing strip 6 and the sealing plate 7 are added at the same time, the sealing effect of the connection of the cover plate 5 can be improved to prevent water ingress.

[0024] like Figure 1-4As shown, the support plate 3 and the sealing groove 4 are symmetrically provided with two, the sealing strip 6 and the sealing plate 7 are symmetrically provided with two, the sealing strip 6 is engaged with the inside of the sealing groove 4 and fits tightly with the sealing groove 4, the outer side of the sealing plate 7 is tightly fitted with the inner side of the groove 2, the first fixing block 8 and the second fixing block 10 are symmetrically provided with two groups, each group of the first fixing block 8 and the second fixing block 10 is provided with two, the first fixing block 8 and the second fixing block 10 fit each other, the first card slot 9 and the second card slot 11 have the same size and specifications, the screw 13 is engaged with the inside of the first card slot 9 and the second card slot 11, the screw 13 and the locking nut 14 are threadedly connected, the fixing block with symmetrical structure design can be used as a locking and fixing component, the structure of the card slot facilitates the installation of the screw 13, after locking and fixing, the overall structure can also be used normally.

[0025] The implementation principle of this embodiment is: when it is necessary to inspect and repair the internal structure of the fan, the locking nut 14 can be loosened first, and then the screw 13 and the connecting rod 12 can be taken out from the first slot 9 and the second slot 11, and then the cover 5 can be opened. After the inspection is completed, the cover 5 is closed again, the sealing strip 6 is engaged with the inside of the sealing groove 4, and the sealing plate 7 is fitted with the inner side of the groove 2 to improve the sealing effect. At the same time, the connecting rod 12 and the screw 13 are installed, and the screw 13 is engaged with the inside of the first slot 9 and the second slot 11, and then the screw 13 is locked and fixed by the locking nut 14. At the same time, the connecting rod 12 can also be hoisted as an auxiliary component to facilitate the transportation and installation of the fan.

[0026] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An air suspension centrifugal fan housing structure that is easy to assemble and disassemble, comprising a housing (1), characterized in that: The shell (1) is provided with a groove (2) inside, a support plate (3) is fixedly connected to the inside of the groove (2), a sealing groove (4) is provided inside the support plate (3), a cover plate (5) is snap-connected inside the groove (2), one end of the inside of the cover plate (5) is fixedly connected to a sealing strip (6), and the other end of the inside of the cover plate (5) is fixedly connected to a sealing plate (7), the outside of the shell (1) is fixedly connected to a first fixing block (8), the inside of the first fixing block (8) is provided with a first slot (9), the outside of the cover plate (5) is fixedly connected to a second fixing block (10), the inside of the second fixing block (10) is provided with a second slot (11), and a connecting rod (12) is provided on the outside of the shell (1), a screw rod (13) is fixedly connected to the outside of the connecting rod (12), and a locking nut (14) is installed on the outside of the screw rod (13).

2. The air suspension centrifugal fan housing structure that is easy to disassemble and assemble according to claim 1 is characterized in that: The support plate (3) and the sealing groove (4) are symmetrically provided with two each, and the sealing strip (6) and the sealing plate (7) are symmetrically provided with two each. The sealing strip (6) is engaged in the interior of the sealing groove (4) and fits tightly with the sealing groove (4), and one side of the outer side of the sealing plate (7) fits tightly with the inner side of the groove (2).

3. The air suspension centrifugal fan housing structure that is easy to assemble and disassemble according to claim 1 is characterized in that: The first fixing blocks (8) and the second fixing blocks (10) are symmetrically arranged in two groups, each group of the first fixing blocks (8) and the second fixing blocks (10) are respectively provided with two, and the first fixing blocks (8) and the second fixing blocks (10) are fitted with each other.

4. The air suspension centrifugal fan housing structure that is easy to assemble and disassemble according to claim 1 is characterized in that: The first card slot (9) and the second card slot (11) are of the same size and have the same specifications. The screw rod (13) is engaged inside the first card slot (9) and the second card slot (11), and the screw rod (13) and the locking nut (14) are threadedly connected.

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