Novel centrifugal fan

Abstract

The utility model discloses a novel centrifugal fan which comprises a fan body and a rotating bin, the fan body is arranged on the rotating bin, a mounting frame is arranged between the fan body and the rotating bin, the fan body is fixed on the rotating bin through the mounting frame, a moving mechanism is arranged below the rotating bin, and the rotating bin is fixed on the fan body through the moving mechanism. The horizontal movement of the fan is controlled through the moving mechanism, and the orientation of the fan is adjusted through the rotating bin, so that the fan is more convenient to use, and the problems that most centrifugal fans provided in the background technology are fixed on stations, are inconvenient to move and cannot be adjusted according to needs are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of centrifugal fans, and particularly relates to a novel centrifugal fan. 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 induction of boilers and industrial furnaces. Most of the existing centrifugal fans are fixed at the workstation, which is not convenient to move and cannot be adjusted according to needs. Therefore, a new type of centrifugal fan is proposed. Utility Model Content

[0003] The purpose of the utility model is to overcome the problem in the prior art that most centrifugal fans are fixed on the workstation, inconvenient to move and unable to be adjusted according to needs, and to provide a new centrifugal fan which controls the horizontal movement of the fan through a moving mechanism and adjusts the direction of the fan through a rotating bin, making the fan more convenient to use.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a new centrifugal fan, including a fan body and a rotating bin, the fan body is arranged on the rotating bin, a mounting frame is provided between the fan body and the rotating bin, the fan body is fixed to the rotating bin by the mounting frame, and a moving mechanism is provided under the rotating bin.

[0005] Preferably, the rotating bin includes a first gear, a bin body, a rotating cover, a rotating motor, a second gear and a rotating rod, the bin body is movably arranged on the moving mechanism, the rotating rod is rotatably arranged at the center of the bottom wall of the bin body, the rotating cover is arranged on the rotating rod and rotatably arranged above the bin body, the second gear is fixedly sleeved on the rotating rod, the rotating motor is arranged on the bottom wall of the bin body, and the first gear is fixedly connected to the rotating motor and meshingly connected to the second gear.

[0006] Preferably, the moving mechanism includes a fixed block, a lead screw, a driving bin, a lead screw nut and a driving motor, the driving bin is movably arranged under the bin body, the fixed block is arranged on the side of the inner wall of the driving bin, the driving motor is arranged on the side of the inner wall of the driving bin away from the fixed block, one end of the lead screw is rotatably arranged in the fixed block, the other end of the lead screw is fixedly connected to the driving motor, and the lead screw nut is sleeved on the lead screw and fixedly connected under the bin body.

[0007] Preferably, the mounting frame includes an upper mounting plate, a side plate and a lower mounting plate, the upper mounting plate is arranged under the fan body, the side plates are symmetrically arranged under the upper mounting plate, and the lower mounting plate is arranged under the side plates and fixedly arranged on the rotating cover plate.

[0008] Preferably, mounting bolts are evenly distributed on the upper mounting plate, and the fan body is fixed to the upper mounting plate by the mounting bolts.

[0009] Preferably, an upper limit ring is provided at the lower end of the inner wall side of the rotating cover plate, and a lower limit ring is provided at the upper end of the inner wall of the bin body. The upper limit ring and the lower limit ring are arranged close to each other, and a ball is provided for rotation inside the lower limit ring. The upper end of the ball is located on the lower limit ring, and the lower end of the upper limit ring is provided with a groove structure for accommodating the rotation of the ball.

[0010] Preferably, a sleeve block is provided at the center of the inner wall of the bin body, and the sleeve block is rotatably sleeved on the lower end of the rotating rod.

[0011] The beneficial effects of the utility model are:

[0012] The utility model controls the horizontal movement of the rotating bin and the fan body through a moving mechanism, and adjusts the direction of the fan through the rotating bin, so that the fan is more convenient to use and can be operated in multiple directions to fully meet the use needs, and solves the problem that most of the centrifugal fans proposed in the background technology are fixed on the work station, inconvenient to move, and cannot be adjusted according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the novel centrifugal fan of the utility model.

[0014] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0015] Figure 3 yes Figure 1 The internal structure diagram of the central rotating warehouse.

[0016] Figure 4 yes Figure 1 Internal structure diagram of the moving mechanism.

[0017] In the figure: 1. fan body; 2. rotating chamber; 3. mounting frame; 4. first gear; 5. chamber body; 6. rotating cover plate; 7. rotating motor; 8. second gear; 9. rotating rod; 10. fixing block; 11. lead screw; 12. driving chamber; 13. lead screw nut; 14. driving motor; 15. upper mounting plate; 16. side plate; 17. lower mounting plate; 18. mounting bolts; 19. upper limit ring; 20. lower limit ring; 21. ball bearing; 22. sleeve block; 23. moving mechanism. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-4, 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 them. 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.

[0019] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore should not be understood as a limitation on the present invention.

[0020] The present embodiment provides a new type of centrifugal fan, including a fan body 1 and a rotating bin 2. The fan body 1 is arranged on the rotating bin 2. A mounting frame 3 is provided between the fan body 1 and the rotating bin 2. The fan body 1 is fixed to the rotating bin 2 through the mounting frame 3. A moving mechanism 23 is provided under the rotating bin 2.

[0021] In one embodiment, specifically, the rotating bin 2 includes a first gear 4, a bin body 5, a rotating cover plate 6, a rotating motor 7, a second gear 8 and a rotating rod 9. The bin body 5 is movably arranged on the moving mechanism 23, the rotating rod 9 is rotatably arranged at the center of the bottom wall of the bin body 5, the rotating cover plate 6 is arranged on the rotating rod 9 and rotatably arranged above the bin body 5, the second gear 8 is fixedly sleeved on the rotating rod 9, the rotating motor 7 is arranged on the bottom wall of the bin body 5, and the first gear 4 is fixedly connected to the rotating motor 7 and meshingly connected to the second gear 8.

[0022] In one embodiment, specifically, the moving mechanism 23 includes a fixed block 10, a lead screw 11, a driving bin 12, a lead screw nut 13 and a driving motor 14. The driving bin 12 is movably arranged under the bin body 5, the fixed block 10 is arranged on the side of the inner wall of the driving bin 12, the driving motor 14 is arranged on the side of the inner wall of the driving bin 12 away from the fixed block 10, one end of the lead screw 11 is rotatably arranged in the fixed block 10, and the other end of the lead screw 11 is fixedly connected to the driving motor 14, and the lead screw nut 13 is sleeved on the lead screw 11 and fixedly connected under the bin body 5.

[0023] In one embodiment, specifically, the mounting frame 3 includes an upper mounting plate 15, a side plate 16 and a lower mounting plate 17, the upper mounting plate 15 is arranged under the fan body 1, the side plate 16 is symmetrically arranged under the upper mounting plate 15, and the lower mounting plate 17 is arranged under the side plate 16 and fixedly arranged on the rotating cover plate 6.

[0024] In one embodiment, specifically, mounting bolts 18 are evenly distributed on the upper mounting plate 15 , and the fan body 1 is fixed on the upper mounting plate 15 by the mounting bolts 18 .

[0025] In one embodiment, specifically, an upper limit ring 19 is provided at the lower end of the inner wall side of the rotating cover plate 6, and a lower limit ring 20 is provided at the upper end of the inner wall of the warehouse body 5. The upper limit ring 19 and the lower limit ring 20 are arranged close to each other, and a ball 21 is provided for rotation inside the lower limit ring 20. The upper end of the ball 21 is located on the lower limit ring 20, and the lower end of the upper limit ring 19 is provided with a groove structure for accommodating the rotation of the ball 21. The ball 21 rolls between the upper limit ring 19 and the lower limit ring 20, thereby improving the rotation stability and smoothness of the rotating cover plate 6.

[0026] In one embodiment, specifically, a sleeve block 22 is provided at the center of the inner wall of the bin body 5 , and the sleeve block 22 is rotatably sleeved on the lower end of the rotating rod 9 .

[0027] The working process of the novel centrifugal fan in this embodiment is as follows: the driving motor 14 drives the lead screw 11 to rotate, and the lead screw 11 drives the rotating bin 2 and the fan body 1 to move horizontally through the lead screw nut 13 to adjust the position of the fan body 1, and then the rotating motor 7 is started, and the rotating motor 7 drives the first gear 4, and the first gear 4 drives the rotating rod 9, the rotating cover plate 6 and the fan body 1 to rotate through the second gear 8, thereby changing the direction of the fan body 1 and realizing multi-directional operation, which solves the problem that most centrifugal fans mentioned in the background technology are fixed on the work station, inconvenient to move, and cannot be adjusted according to needs.

[0028] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A new type of centrifugal fan, characterized in that: The invention comprises a fan body (1) and a rotating chamber (2), wherein the fan body (1) is arranged on the rotating chamber (2), a mounting frame (3) is arranged between the fan body (1) and the rotating chamber (2), the fan body (1) is fixed to the rotating chamber (2) via the mounting frame (3), and a moving mechanism (23) is arranged under the rotating chamber (2); The rotating bin (2) comprises a first gear (4), a bin body (5), a rotating cover plate (6), a rotating motor (7), a second gear (8) and a rotating rod (9); the bin body (5) is movably arranged on a moving mechanism (23); the rotating rod (9) is rotatably arranged at the center of the bottom wall of the bin body (5); the rotating cover plate (6) is arranged on the rotating rod (9) and rotatably arranged above the bin body (5); the second gear (8) is fixedly sleeved on the rotating rod (9); the rotating motor (7) is arranged on the bottom wall of the bin body (5); the first gear (4) is fixedly connected to the rotating motor (7) and meshingly connected to the second gear (8).

2. The novel centrifugal fan according to claim 1 is characterized in that: The moving mechanism (23) comprises a fixed block (10), a lead screw (11), a driving bin (12), a lead screw nut (13) and a driving motor (14); the driving bin (12) is movably arranged under the bin body (5); the fixed block (10) is arranged on the side of the inner wall of the driving bin (12); the driving motor (14) is arranged on the side of the inner wall of the driving bin (12) away from the fixed block (10); one end of the lead screw (11) is rotatably arranged in the fixed block (10); the other end of the lead screw (11) is fixedly connected to the driving motor (14); and the lead screw nut (13) is sleeved on the lead screw (11) and fixedly connected under the bin body (5).

3. The novel centrifugal fan according to claim 1 is characterized in that: The mounting frame (3) comprises an upper mounting plate (15), a side plate (16) and a lower mounting plate (17); the upper mounting plate (15) is arranged below the fan body (1); the side plate (16) is symmetrically arranged below the upper mounting plate (15); and the lower mounting plate (17) is arranged below the side plate (16) and fixedly arranged on the rotating cover plate (6).

4. The novel centrifugal fan according to claim 3 is characterized in that: The upper mounting plate (15) is evenly distributed with mounting bolts (18), and the fan body (1) is fixed on the upper mounting plate (15) by means of the mounting bolts (18).

5. The novel centrifugal fan according to claim 1 is characterized in that: An upper limit ring (19) is provided at the lower end of the inner wall side of the rotating cover plate (6), and a lower limit ring (20) is provided at the upper end of the inner wall of the bin body (5). The upper limit ring (19) and the lower limit ring (20) are arranged close to each other, and a ball (21) is rotatably provided inside the lower limit ring (20). The upper end of the ball (21) is located on the lower limit ring (20), and the lower end of the upper limit ring (19) is provided with a groove structure for accommodating the rotation of the ball (21).

6. The novel centrifugal fan according to claim 1 is characterized in that: A sleeve block (22) is provided at the center of the inner wall of the bin body (5), and the sleeve block (22) is rotatably sleeved on the lower end of the rotating rod (9).

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