Centrifugal fan and centrifugal fan mounting rack

Abstract

The utility model discloses a centrifugal fan and a centrifugal fan mounting rack, which comprise a centrifugal fan and a mounting rack, the bottom of the mounting rack is provided with a base, the top of the base is rotatably provided with a first fixed disc, the top of the first fixed disc is provided with a left support frame and a right support frame, the top of the left support frame is provided with a first bearing, and the top of the right support frame is provided with a second bearing. A connecting sleeve is arranged on one side of the centrifugal fan and connected with the second bearing, a motor is arranged on the other side of the centrifugal fan, a connecting shaft is arranged on one side of the motor, a second fixing disc is arranged on the connecting shaft, the connecting shaft is connected with the first bearing, and a limiting block is arranged at the position, located at the bottom of the first bearing, of the left supporting frame. A plurality of through holes are formed in the first fixing disc and the second fixing disc in an annular array mode along the axis, a first fixing pin is arranged on the first fixing disc, a second fixing pin is arranged on the limiting block, and a fixing hole is formed in the top of the base. The angle of the centrifugal fan can be conveniently adjusted, and therefore the air supply direction of the centrifugal fan can be adjusted according to needs.

Description

Technical Field

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

[0002] A centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and air intake of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selection of grains; wind tunnel wind source and inflation and propulsion of hovercraft, etc.

[0003] The centrifugal fans in the prior art are usually fixed in position after installation, resulting in that the air supply direction is mostly fixed. During use, if one wants to change the air supply direction of the centrifugal fan, the centrifugal fan needs to be removed from the fixed position to adjust the angle of the centrifugal fan, which makes it inconvenient to adjust the air supply direction of the centrifugal fan. Utility Model Content

[0004] The utility model provides a centrifugal fan and a centrifugal fan mounting frame to solve the problems raised in the above background technology.

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

[0006] A centrifugal fan and a centrifugal fan mounting frame, comprising a centrifugal fan and a mounting frame, wherein a base is provided at the bottom of the mounting frame, a first fixed plate is rotatably provided at the top of the base, a left support frame and a right support frame are provided at the top of the first fixed plate, a first bearing is provided at the top of the left support frame, and a second bearing is provided at the top of the right support frame, a connecting sleeve is provided on one side of the centrifugal fan, the connecting sleeve is connected to the second bearing, a motor is provided on the other side of the centrifugal fan, a connecting shaft is provided on one side of the motor, a second fixed plate is provided on the connecting shaft, and the connecting shaft is connected to the first bearing, the left supporting frame is provided with a limit block at the bottom of the first bearing, the first fixed plate and the second fixed plate are both provided with a plurality of through holes in a circular array along the axis, a first fixing pin is provided on the first fixing plate, a second fixing pin is provided on the limit block, and a fixing hole is provided on the top of the base.

[0007] Preferably, both the first fixing pin and the second fixing pin are provided with pull rings.

[0008] Preferably, the first fixing pin is inserted into the limiting block and inserted into a through hole on the second fixing plate.

[0009] Preferably, the second fixing pin is inserted into the through hole on the first fixing plate and then inserted into the fixing hole.

[0010] Beneficial Effects

[0011] The above one or more technical solutions in a centrifugal fan and a centrifugal fan mounting frame provided by the embodiment of the utility model have at least one of the following technical effects:

[0012] The utility model adopts the above technical scheme, by providing a mounting frame, a left support frame, a right support frame, a first bearing, and a second bearing, so that the centrifugal fan can rotate along the horizontal axis; by providing a base, a first fixed plate is rotatably provided on the top of the base, so that the centrifugal fan can rotate along the vertical axis; by providing the first fixed plate, the second fixed plate, the first fixed pin, and the second fixed pin, the rotation angle of the centrifugal fan can be fixed; the utility model can adjust the angle of the centrifugal fan without disassembling the centrifugal fan, so that the direction of the centrifugal fan can be adjusted according to needs, thereby facilitating the adjustment of the air supply direction. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a schematic diagram of the left side structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the right side structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the explosion structure of the utility model;

[0017] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0018] 1. Centrifugal fan; 2. Mounting frame; 3. Base; 4. First fixed plate; 5. Left support frame; 6. Right support frame; 7. First bearing; 8. Second bearing; 9. Connecting sleeve; 10. Motor; 11. Connecting shaft; 12. Second fixed plate; 13. Limit block; 14. Through hole; 15. First fixing pin; 16. Second fixing pin; 17. Fixing hole; 18. Pull ring. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0020] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "left" and "right" are based on the directions or positional relationships shown in the accompanying drawings, and are 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0021] like Figure 1-4 As shown, it is a structural schematic diagram of a centrifugal fan and a centrifugal fan mounting frame in a preferred embodiment of the utility model;

[0022] In this embodiment, a centrifugal fan 1 and a mounting frame 2 are included. A base 3 is provided at the bottom of the mounting frame 2. A first fixed disk 4 is rotatably provided on the top of the base 3. The first fixed disk 4 can rotate along the axis of the base 3. A left support frame 5 and a right support frame 6 are welded on the top of the first fixed disk 4. A first bearing 7 is provided on the top of the left support frame 5. A second bearing 8 is provided on the top of the right support frame 6. A connecting sleeve 9 is provided on one side of the centrifugal fan 1. The connecting sleeve 9 is connected to the second bearing 8. A motor 10 is provided on the other side of the centrifugal fan 1. The motor 10 is A connecting shaft 11 is provided on the side, and a second fixed plate 12 is provided on the connecting shaft 11. The connecting shaft 11 is connected to the first bearing 7. The centrifugal fan 1 can rotate along the axis of the first bearing 7 and the second bearing 8. The left support frame 5 is located at the bottom of the first bearing 7 and is provided with a limit block 13. The first fixed plate 4 and the second fixed plate 12 are both provided with a plurality of through holes 14 in a circular array along the axis. The first fixed plate 4 is provided with a first fixing pin 15, and the limit block 13 is provided with a second fixing pin 16. A fixing hole 17 is provided on the top of the base 3.

[0023] In this embodiment, a pull ring 18 is provided on each of the first fixing pin 15 and the second fixing pin 16 , and the pull ring 18 facilitates an operator to pull the first fixing pin 15 and the second fixing pin 16 .

[0024] In this embodiment, the first fixing pin 15 is inserted into the limiting block 13 and inserted into the through hole 14 on the second fixing plate 12. The second fixing plate 12 is fixed and limited by this structure, thereby fixing and limiting the rotation of the transverse axis of the centrifugal fan 1.

[0025] In this embodiment, the second fixing pin 16 is inserted into the through hole 14 on the first fixing plate 4 and inserted into the fixing hole 17. Through this structure, the first fixing plate 4 is fixed and limited, thereby fixing and limiting the vertical axis rotation of the centrifugal fan 1.

[0026] The utility model provides a centrifugal fan and a centrifugal fan mounting frame, and the mounting method, connection method or setting method thereof are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0027] Technologies not described in detail in the present invention are all well-known technologies. Those skilled in the art can easily implement the present invention based on understanding this specification, and the contents shown in the drawings are part of this specification.

[0028] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A centrifugal fan and a centrifugal fan mounting frame, comprising a centrifugal fan (1) and a mounting frame (2), characterized in that: The bottom of the mounting frame (2) is provided with a base (3), the top of the base (3) is rotatably provided with a first fixed plate (4), the top of the first fixed plate (4) is provided with a left support frame (5) and a right support frame (6), the top of the left support frame (5) is provided with a first bearing (7), the top of the right support frame (6) is provided with a second bearing (8), one side of the centrifugal fan (1) is provided with a connecting sleeve (9), the connecting sleeve (9) is connected to the second bearing (8), the other side of the centrifugal fan (1) is provided with a motor (10), and one side of the motor (10) is provided with a connecting sleeve (9). A shaft (11), a second fixing plate (12) is provided on the connecting shaft (11), the connecting shaft (11) is connected to the first bearing (7), the left support frame (5) is provided with a limit block (13) at the bottom of the first bearing (7), the first fixing plate (4) and the second fixing plate (12) are both provided with a plurality of through holes (14) in a circular array along the axis, the first fixing plate (4) is provided with a first fixing pin (15), the limit block (13) is provided with a second fixing pin (16), and a fixing hole (17) is provided on the top of the base (3).

2. A centrifugal fan and a centrifugal fan mounting frame according to claim 1, characterized in that: The first fixing pin (15) and the second fixing pin (16) are both provided with a pull ring (18).

3. A centrifugal fan and a centrifugal fan mounting frame according to claim 1, characterized in that: The first fixing pin (15) is inserted into the limiting block (13) and inserted into the through hole (14) on the second fixing plate (12).

4. A centrifugal fan and a centrifugal fan mounting frame according to claim 1, characterized in that: The second fixing pin (16) is inserted into the through hole (14) on the first fixing plate (4) and inserted into the fixing hole (17).

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