CN219432892U

CN219432892U - Centrifugal fan

Info

Publication number: CN219432892U
Application number: CN202320737918.9U
Authority: CN
Inventors: 丛盛兴; 王敏
Original assignee: Weihai Sanping Shunfan Co ltd
Current assignee: Weihai Sanping Shunfan Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-28
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a centrifugal fan, which comprises a support frame, wherein a driving assembly is arranged on the surface of the support frame, a rotating shaft and a connecting shaft are fixedly arranged on the left side of the support frame through the driving assembly, a transmission assembly is arranged on the surfaces of the rotating shaft and the connecting shaft, a support plate is arranged on the top of the support frame through the driving assembly, a fixing plate is fixedly arranged on the top of the support plate, and a centrifugal fan body is fixedly arranged on the surface of the fixing plate. Through drive assembly and drive assembly cooperation use for drive assembly promotes the backup pad and removes, drives the fixed plate through the backup pad and removes, and drives centrifugal fan body upward movement through the fixed plate, has realized being convenient for according to the target of highly adjusting of centrifugal fan of user demand, has avoided because centrifugal fan's volume is great to lead to centrifugal fan overweight to cause the centrifugal fan to install comparatively trouble condition in higher position.

Description

Centrifugal fan

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to a centrifugal fan.

Background

The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Centrifugal fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft of boilers and industrial kilns; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains; inflation and propulsion of wind tunnel wind source and air cushion ship, etc.

In the use process of the centrifugal fan, the centrifugal fan is required to be installed at different heights according to the use requirement of the centrifugal fan, and the centrifugal fan is overweight due to the fact that the volume of the centrifugal fan is large, so that the centrifugal fan is troublesome to install at a higher position, and therefore the centrifugal fan is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a centrifugal fan which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a centrifugal fan, includes the support frame, the support frame surface is provided with drive assembly, the support frame left side is provided with axis of rotation and connecting axle through drive assembly is fixed, axis of rotation surface and connecting axle surface are provided with drive assembly, the support frame top is provided with the backup pad through drive assembly, the backup pad top is fixed to be provided with the fixed plate, fixed plate fixed surface is provided with centrifugal fan body, the support frame top is provided with damper.

Preferably, the driving assembly comprises a servo motor arranged on the right side of the support frame and a second stud arranged inside the support frame, the second stud is rotationally connected with the support frame and fixedly connected with the connecting shaft, an output end of the servo motor penetrates through the support frame to extend to the inside of the support frame and is fixedly provided with a first stud, a threaded sleeve is arranged on the surface of the first stud and the surface of the second stud in a threaded manner, a hinged plate is arranged at the top of the threaded sleeve in a hinged manner through a hinged seat, and the hinged plate is connected with the support plate through the hinged seat.

Preferably, the transmission assembly comprises a driving transmission wheel arranged on the surface of the rotating shaft, a transmission belt is arranged in the driving transmission wheel in a meshed manner, a driven transmission wheel is arranged in the transmission belt in a meshed manner, and the driven transmission wheel is fixedly connected with the connecting shaft.

Preferably, the damping component comprises a fixed column arranged at the bottom of the support frame, and a damping sizing block is fixedly arranged inside the fixed column.

Preferably, the number of the screw sleeves is multiple, and the screw sleeves are symmetrically distributed.

Preferably, two groups of threads are arranged on the surface of the first stud and the surface of the second stud, and the two groups of threads are opposite in screwing direction.

Preferably, the number of the fixing plates is multiple, and the fixing plates are all positioned at the top of the supporting plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the centrifugal fan, the height of the centrifugal fan body is adjusted according to the height of the centrifugal fan body, the driving assembly and the transmission assembly are matched for use, the driving assembly pushes the supporting plate to move, the fixing plate is driven to move through the supporting plate, and the centrifugal fan body is driven to move upwards through the fixing plate; the aim of being convenient for adjust centrifugal fan's height according to the user demand has been realized, has avoided because centrifugal fan's volume is great to lead to centrifugal fan overweight to cause the centrifugal fan to install comparatively trouble condition in higher position.

Drawings

FIG. 1 is an isometric view of a structure of the present utility model;

FIG. 2 is a front cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic view of a part of the structure of the present utility model.

In the figure: 1 a supporting frame, 2 a servo motor, 3 a stud I, 4 a rotating shaft, 5 a driving transmission wheel, 6 a transmission belt, 7 a driven transmission wheel, 8 a connecting shaft, 9 a stud II, 10 a screw sleeve, 11 a hinged plate, 12 a supporting plate, 13 a fixed plate, 14 a centrifugal fan body, 15 a fixed column and 16 a damping sizing block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a centrifugal fan comprises a supporting frame 1, a driving component is arranged on the surface of the supporting frame 1, the driving component comprises a servo motor 2 arranged on the right side of the supporting frame 1 and a second stud 9 arranged in the supporting frame 1, the second stud 9 is rotatably connected with the supporting frame 1, the second stud 9 is fixedly connected with a connecting shaft 8, an output end of the servo motor 2 penetrates through the supporting frame 1 to extend into the supporting frame 1 and is fixedly provided with a first stud 3, two groups of threads are respectively arranged on the surfaces of the first stud 3 and the second stud 9, the two groups of threads are opposite in screwing direction, so that the first stud 3 and the second stud 9 can simultaneously drive a screw sleeve 10 to move, the surfaces of the first stud 3 and the second stud 9 are respectively provided with a screw sleeve 10, the number of screw sleeves 10 is multiple, the screw sleeves 10 are symmetrically distributed, the tops of the screw sleeves 10 are hinged with a hinged plate 11 through a hinging seat, the hinged plate 11 is connected with the supporting plate 12 through the hinged seat, the first stud 3 is driven to rotate through the servo motor 2, the first stud 3 is used for driving the rotating shaft 4 to rotate through the driving connecting shaft 8 in the driving component, the second stud 9 and the first stud 3 are used for driving the threaded sleeve 10 to move, the threaded sleeve 10 is used for driving the hinged plate 11 to turn over through the hinged seat, the hinged plate 11 is used for pushing the supporting plate 12 to move through the hinged seat, the fixed plate 13 is used for driving the centrifugal fan body 14 to move upwards, the height of the centrifugal fan body 14 is convenient to adjust, the rotating shaft 4 and the connecting shaft 8 are fixedly arranged on the left side of the supporting frame 1 through the driving component, the driving component is arranged on the surfaces of the rotating shaft 4 and the connecting shaft 8 and comprises a driving wheel 5 arranged on the surface of the rotating shaft 4, the driving belt 6 is arranged in an internally meshed manner by the driving wheel 5, the driving belt 6 is internally meshed with a driven driving wheel 7, the driven driving wheel 7 is fixedly connected with a connecting shaft 8, a rotating shaft 4 drives an active driving wheel 5 to rotate, the active driving wheel 5 drives the driven driving wheel 7 to rotate through the driving belt 6, the driven driving wheel 7 drives the connecting shaft 8 to rotate, and the connecting shaft 8 drives a stud II 9 to rotate, so that the stud I3 and the stud II 9 can simultaneously rotate, a supporting plate 12 is arranged at the top of the supporting frame 1 through a driving component, fixing plates 13 are fixedly arranged at the top of the supporting plate 12, the number of the fixing plates 13 is multiple, the fixing plates 13 are all positioned at the top of the supporting plate 12, the centrifugal fan body 14 is fixed more firmly, the surface of the fixing plate 13 is fixedly provided with the centrifugal fan body 14, the top of the supporting frame 1 is provided with a damping component, the damping component comprises a fixed column 15 arranged at the bottom of the support frame 1, a damping sizing block 16 is fixedly arranged in the fixed column 15, the damping component is convenient for damping the centrifugal fan body 14 when the centrifugal fan body 14 runs, damage to internal elements of the centrifugal fan body 14 caused by overlarge vibration is prevented, the centrifugal fan adjusts the height of the centrifugal fan body 14 according to the height of the centrifugal fan body 14, the driving component pushes the support plate 12 to move by being matched with the transmission component, the support plate 12 drives the fixed plate 13 to move, the fixed plate 13 drives the centrifugal fan body 14 to move upwards, the aim of adjusting the height of the centrifugal fan according to the use requirement is fulfilled, the situation that the centrifugal fan is troublesome when being arranged at a higher position due to the fact that the centrifugal fan is overweight caused by the fact that the volume of the centrifugal fan is large is avoided.

The centrifugal fan is connected with 220V mains supply, and the master controller can be a conventional known device for controlling a computer and the like.

When in use: according to the height of the centrifugal fan body 14, the height of the centrifugal fan body 14 is adjusted, the output end is driven to rotate through the servo motor 2 in the driving assembly, the stud one 3 is driven to rotate, the rotating shaft 4 is driven to rotate through the stud one 3, the driving transmission wheel 5 arranged in the transmission assembly is driven to rotate through the rotating shaft 4, the driving transmission wheel 5 is driven to rotate through the transmission belt 6, the driven transmission wheel 7 is driven to rotate the connecting shaft 8, the stud two 9 is driven to rotate through the connecting shaft 8, the stud two 9 and the stud one 3 drive the screw sleeve 10 to move, the screw sleeve 10 moves along the surface thread direction of the stud two 9 and the stud one 3, the screw sleeve 10 drives the hinge plate 11 to turn through the hinge seat, the hinge plate 11 drives the support plate 12 to move through the hinge seat, the fixing plate 13 is driven to move through the support plate 12, and the centrifugal fan body 14 is driven to move upwards through the fixing plate 13.

In summary, according to the height of the centrifugal fan body 14, the height of the centrifugal fan body 14 is adjusted, and the driving assembly and the transmission assembly are matched for use, so that the driving assembly pushes the supporting plate 12 to move, the supporting plate 12 drives the fixing plate 13 to move, and the fixing plate 13 drives the centrifugal fan body 14 to move upwards; the aim of being convenient for adjust centrifugal fan's height according to the user demand has been realized, has avoided because centrifugal fan's volume is great to lead to centrifugal fan overweight comparatively troublesome condition when causing centrifugal fan to install in higher position for solve the problem that proposes among the above-mentioned background art.

It should be noted that, in the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate an orientation or a positional relationship based on that shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, and that the specific orientation is configured and operated, and thus, the present utility model should not be construed as being limited thereto. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a centrifugal fan, includes support frame (1), its characterized in that, support frame (1) surface is provided with drive assembly, support frame (1) left side is provided with axis of rotation (4) and connecting axle (8) through drive assembly is fixed, axis of rotation (4) surface and connecting axle (8) surface are provided with drive assembly, support frame (1) top is provided with backup pad (12) through drive assembly, backup pad (12) top is fixed to be provided with fixed plate (13), fixed plate (13) fixed surface is provided with centrifugal fan body (14), support frame (1) top is provided with damper.

2. The centrifugal fan according to claim 1, wherein the driving assembly comprises a servo motor (2) arranged on the right side of the support frame (1) and a stud II (9) arranged inside the support frame (1), the stud II (9) is rotatably connected with the support frame (1) and fixedly connected with the connecting shaft (8), an output end of the servo motor (2) penetrates through the support frame (1) to extend to the inside of the support frame (1) and is fixedly provided with a stud I (3), a screw sleeve (10) is arranged on the surface of the stud I (3) and the surface of the stud II (9) in a threaded manner, a hinged plate (11) is arranged at the top of the screw sleeve (10) in a hinged manner through a hinged seat, and the hinged plate (11) is connected with the support plate (12) through the hinged seat.

3. A centrifugal fan according to claim 1, wherein the transmission assembly comprises a driving transmission wheel (5) arranged on the surface of the rotating shaft (4), a transmission belt (6) is arranged in the driving transmission wheel (5) in a meshed manner, a driven transmission wheel (7) is arranged in the transmission belt (6) in a meshed manner, and the driven transmission wheel (7) is fixedly connected with the connecting shaft (8).

4. Centrifugal fan according to claim 1, wherein the damping assembly comprises a fixed column (15) arranged at the bottom of the supporting frame (1), and a damping sizing block (16) is fixedly arranged inside the fixed column (15).

5. A centrifugal fan according to claim 2, wherein the number of said screw sleeves (10) is plural, and the plural screw sleeves (10) are symmetrically distributed.

6. A centrifugal fan according to claim 2, wherein the surfaces of the first stud (3) and the second stud (9) are provided with two sets of threads, and the threads of the two sets are opposite in rotation direction.

7. A centrifugal fan according to claim 1, wherein the number of fixing plates (13) is plural, and the fixing plates (13) are located at the top of the support plate (12).