CN215170921U

CN215170921U - Multi-stage adjustment speed regulating device and fan

Info

Publication number: CN215170921U
Application number: CN202120901054.0U
Authority: CN
Inventors: 陈铭臻
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-14
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a multistage adjustment's speed adjusting device, including input shaft, output shaft, transmission shaft, first gear, second gear, third gear and fourth gear, first gear is connected with the input shaft, be equipped with second gear and third gear on the transmission shaft, the diameter of second gear is less than the diameter of third gear; the fourth gear is connected with the output shaft; the diameter of the first gear is larger than that of the third gear; the diameter of the fourth gear is smaller than that of the first gear; the first gear is meshed with the second gear; the third gear is meshed with the fourth gear. The fan comprises fan blades, a motor and a multi-stage adjustment speed regulation device, wherein the fan blades are connected with the output shaft, and a rotating shaft of the motor is connected with the input shaft. The utility model discloses the gear of accessible difference carries out the speed governing.

Description

Multi-stage adjustment speed regulating device and fan

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a speed adjusting device and fan of multistage adjustment.

Background

At present, the traditional fan generally drives the fan blades to rotate after rotating through the motor, and the driving structure is simpler. However, in the long-term use process, because the motor directly drives, the condition that the motor is damaged due to too high motor load is easy to occur, and the service lives of the motor and the fan are limited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objects of the present invention is to provide a multi-stage adjustable speed-adjusting device, which can adjust the speed through different gears.

A second object of the present invention is to provide a fan, wherein the speed of the fan blade can be adjusted by the speed adjusting device with multi-stage adjustment.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the multi-stage adjustment speed regulation device comprises an input shaft, an output shaft, a transmission shaft, a first gear, a second gear, a third gear and a fourth gear, wherein the first gear is connected with the input shaft, the transmission shaft is provided with the second gear and the third gear, and the diameter of the second gear is smaller than that of the third gear; the fourth gear is connected with the output shaft; the diameter of the first gear is larger than that of the third gear; the diameter of the fourth gear is smaller than that of the first gear; the first gear is meshed with the second gear; the third gear is meshed with the fourth gear.

Furthermore, the multi-stage adjustment speed regulation device also comprises a speed regulation box, wherein the input shaft, the output shaft, the transmission shaft, the first gear, the second gear, the third gear and the fourth gear are all arranged in the speed regulation box; the end part of the input shaft extends out of one end of the speed regulating box; the end part of the output shaft extends out of the other end of the speed regulating box.

Further, a heat dissipation opening is formed in the side portion of the speed regulating box.

Further, the lateral part of speed-adjusting box is equipped with the mounting disc, the periphery of mounting disc is along being equipped with a plurality of mounting holes, and a plurality of mounting holes are around the central axis circumference interval distribution of mounting disc.

Furthermore, a connecting sheet is arranged at the end part of the speed regulating box, one end of the connecting sheet is connected to the end surface of the speed regulating box, and the other end of the connecting sheet is bent towards the side part of the speed regulating box and is arranged at intervals with the side part of the speed regulating box; the part of the connecting sheet, which is positioned on the side part of the speed regulating box, is provided with a connecting hole.

Furthermore, the speed regulating box comprises a box body and a cover plate, and the end part of the box body is provided with a mounting hole; the cover plate is covered on the mounting opening in a sealing manner.

The second purpose of the utility model is realized by adopting the following technical scheme:

the fan comprises fan blades, a motor and a multi-stage adjustment speed regulation device, wherein the fan blades are connected with the output shaft, and a rotating shaft of the motor is connected with the input shaft.

Compared with the prior art, the beneficial effects of the utility model reside in that: the wind speed stabilizing device can perform multiple transmission through the first gear, the second gear, the third gear and the fourth gear, adjust the output rotating speed, reduce the load of the motor, and be applied to the fan, so that the wind speed is stable.

Drawings

Fig. 1 is a schematic structural view of a multistage-regulation speed regulation device of the present invention;

fig. 2 is a schematic structural diagram of the fan of the present invention.

In the figure: 10. an input shaft; 20. an output shaft; 30. a drive shaft; 40. a first gear; 50. a second gear; 60. a third gear; 70. a fourth gear; 81. a box body; 82. a cover plate; 83. a heat dissipation port; 84. mounting a disc; 841. mounting holes; 85. and (7) connecting the sheets.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 and 2, the multi-stage speed adjusting device includes an input shaft 10, an output shaft 20, a transmission shaft 30, a first gear 40, a second gear 50, a third gear 60, and a fourth gear 70, wherein the first gear 40 is connected to the input shaft 10, the transmission shaft 30 is provided with the second gear 50 and the third gear 60, specifically, the diameter of the second gear 50 is smaller than the diameter of the third gear 60, the fourth gear 70 is connected to the output shaft 20, the diameter of the first gear 40 is larger than the diameter of the third gear 60, and the diameter of the fourth gear 70 is smaller than the diameter of the first gear 40. The first gear 40 is engaged with the second gear 50, and the third gear 60 is engaged with the fourth gear 70.

On the basis of the structure, use the utility model discloses a multistage adjustment's speed adjusting device, when using, can be connected the pivot and the input shaft 10 of motor, and output shaft 20 then can be connected with the flabellum, during the transmission, the pivot of motor rotates, it rotates to drive input shaft 10, first gear 40 on the input shaft 10 can drive second gear 50 and rotate, second gear 50 rotates and can drive transmission shaft 30 and rotate, and then drive third gear 60 and rotate, fourth gear 70 with it meshing rotates, because first gear 40 is by gear wheel transmission to pinion with second gear 50's transmission, through the great rotational speed of first transmission output, after this again through third gear 60 and fourth gear 70 rotation, output is great at the rotational speed equally, through twice rotational speed adjustment, the rotational speed is steady, reduce the motor load, be applied to on the fan, the wind speed is steady.

Further, the multi-stage adjustable speed regulating device further comprises a speed regulating box, wherein the input shaft 10, the output shaft 20, the transmission shaft 30, the first gear 40, the second gear 50, the third gear 60 and the fourth gear 70 are all arranged in the speed regulating box; the end of the input shaft 10 extends from one end of the governor housing; the end of the output shaft 20 extends from the other end of the speed regulating box, i.e. the speed regulating device can be assembled in the speed regulating box, so as to prevent interference from the external environment and ensure more stable transmission structure.

Furthermore, the side part of the speed regulating box is provided with a heat dissipation port 83, the heat dissipation port 83 can be used for heat dissipation of the speed regulating device during operation, the heat dissipation performance is better, and damage caused by overhigh heat is prevented.

More specifically, still can be equipped with mounting disc 84 at the lateral part of speed governing case, be equipped with a plurality of mounting holes 841 along being equipped with at the periphery of mounting disc 84, with a plurality of mounting holes 841 around the central axis circumference interval distribution of mounting disc 84, like this, the connecting piece such as a plurality of bolts of accessible a plurality of mounting holes 841 internal cross-under realizes speed governing case and exterior structure and assembles, easy dismounting.

Furthermore, the end of the speed regulating box is provided with a connecting sheet 85, one end of the connecting sheet 85 is connected to the end face of the speed regulating box, the other end of the connecting sheet 85 is bent towards the side part of the speed regulating box and is arranged at an interval with the side part of the speed regulating box, a connecting hole is formed in the part, located on the side part of the speed regulating box, of the connecting sheet 85, similarly, connecting pieces such as screws or bolts can be penetrated and connected in the connecting hole, the speed regulating box and the outside are assembled, the mounting of the mounting disc 84 is matched, the mounting is carried out on different faces, and the assembling structure is more stable.

Further, the speed-adjusting box in this embodiment includes a box 81 and a cover 82, an installation opening is provided at an end of the box 81, the cover 82 is covered on the installation opening, when the speed-adjusting box is installed, the cover 82 can be opened, then the input shaft 10, the output shaft 20, the transmission shaft 30, the first gear 40, the second gear 50, the third gear 60 and the fourth gear 70 are installed in the box 81, and then the cover 82 is covered on the box 81, so that the maintenance and the dismounting are convenient.

In this embodiment, a fan is further provided, which includes fan blades, a motor and the above-mentioned multi-stage adjustable speed adjusting device, wherein the fan blades are connected to the output shaft 20, and the rotating shaft of the motor is connected to the input shaft 10. Therefore, when the fan blade is driven, the rotating shaft of the motor rotates, and the wind speed of the fan blade can be stabilized through the multi-stage adjustment speed regulation device.

With the above described gearbox, the gearbox may be fitted inside the body of the fan.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The multi-stage adjustment speed regulating device is characterized by comprising an input shaft, an output shaft, a transmission shaft, a first gear, a second gear, a third gear and a fourth gear, wherein the first gear is connected with the input shaft, the transmission shaft is provided with the second gear and the third gear, and the diameter of the second gear is smaller than that of the third gear; the fourth gear is connected with the output shaft; the diameter of the first gear is larger than that of the third gear; the diameter of the fourth gear is smaller than that of the first gear; the first gear is meshed with the second gear; the third gear is meshed with the fourth gear.

2. The multi-stage adjustable governor of claim 1, further comprising a governor housing, the input shaft, the output shaft, the drive shaft, the first gear, the second gear, the third gear, and the fourth gear being mounted within the governor housing; the end part of the input shaft extends out of one end of the speed regulating box; the end part of the output shaft extends out of the other end of the speed regulating box.

3. The multiple-speed-adjustment governor device according to claim 2, wherein a heat radiation port is provided in a side portion of the governor case.

4. The multiple-speed-adjustment governor device according to claim 2, wherein the side portion of the governor housing is provided with a mounting plate, and the mounting plate is provided with a plurality of mounting holes along an outer periphery thereof, the plurality of mounting holes being circumferentially spaced around a central axis of the mounting plate.

5. The multi-stage adjustable governor of claim 2, wherein the end of the governor housing is provided with a connecting piece, one end of the connecting piece is connected to the end surface of the governor housing, and the other end of the connecting piece is bent toward and spaced apart from the side of the governor housing; the part of the connecting sheet, which is positioned on the side part of the speed regulating box, is provided with a connecting hole.

6. The multi-stage adjustable governor device according to any one of claims 2 to 5, wherein the governor housing includes a housing body and a cover plate, and an end of the housing body is provided with a mounting opening; the cover plate is covered on the mounting opening in a sealing manner.

7. Fan, characterized in that it comprises blades, an electric motor and a multi-stage adjustable speed regulation device according to any one of claims 1 to 6, said blades being connected to said output shaft and the rotation shaft of said electric motor being connected to said input shaft.