CN219107229U

CN219107229U - Fan driving structure

Info

Publication number: CN219107229U
Application number: CN202223305065.6U
Authority: CN
Inventors: 蒋卓荣; 余惠强
Original assignee: Foshan Qintang Electronic Technology Co ltd
Current assignee: Foshan Qintang Electronic Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-30
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a fan driving structure which comprises a shell, a screen plate, a pinion and a large gear, wherein a structural sleeve is fixedly sleeved at the bottom of the shell, the screen plate is fixedly arranged in the structural sleeve through bolts, a rod sleeve is mounted at the top of the screen plate through a mounting frame, a connecting rod is sleeved in the rod sleeve, fan blades are arranged at the top end of the connecting rod through a flat key sleeve, a structural rod is fixedly arranged in the bottom of the structural sleeve through a bearing, and a first transmission gear is sleeved outside the structural rod. According to the utility model, the torque output by the small motor is conducted through the first transmission gear and the second transmission gear, so that the rotating speed of the fan blade can be increased, and the heat dissipation efficiency of the fan blade is improved.

Description

Fan driving structure

Technical Field

The present utility model relates to a cooling fan, and more particularly to a fan driving structure.

Background

The cooling fan drives the fan blade to rotate at a high speed through a motor, so that air is pushed to flow in the same direction as the shaft, and cooling is carried out on electrical equipment, and most of the cooling fan is installed on cabinets such as an electrical cabinet and a control cabinet for use.

Patent number CN202220712363.8 discloses a fan driving structure comprising: the device comprises a substrate, a port, a driving unit and a processing interface unit, wherein the port is arranged on the substrate and is provided with a power positive terminal, a power negative terminal, a rotational speed control terminal and a rotational speed feedback terminal; the driving unit is arranged on the substrate, and is electrically connected with the fan and outputs a driving signal; the processing interface unit is arranged on the substrate and is electrically connected with the driving unit and the port, and the processing interface unit generates different driving signals according to different signal types received by the port so as to achieve the purpose of controlling the fan in a communication mode.

The existing fan driving structure is not enough: the motor consisting of the stator group and the rotor group directly drives the fan to rotate, the rotating speed of the fan is the same as the rotating speed output by the motor, and the rotating speed of the fan cannot be increased, so that the heat dissipation capacity of the fan cannot be increased. To this end, we propose a fan driving structure.

Disclosure of Invention

The main objective of the present utility model is to provide a fan driving structure, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a fan drive structure, includes casing, otter board, pinion and gear wheel, the casing bottom is equipped with the structure cover through fixed cover, the inside otter board that has through bolt fastening of structure cover, the pole cover is installed through the mounting bracket at the otter board top, the inside cover of pole cover is equipped with the connecting rod, the connecting rod top is equipped with the flabellum through the flat key cover, be fixed with the structure pole through the bearing in the structure cover, the cover is equipped with a drive gear in the structure pole outside, a drive gear top cover is equipped with No. two drive gears, the structure cover bottom is through the bolt fastening there being the barrel, the inside small-size motor that installs through the mounting bracket of barrel.

Further, the output shaft at the top of the small motor is fixed with a large gear through a flat key, the bottom end of the connecting rod is fixed with a small gear through the flat key, and the small gear is positioned at the bottom of the screen plate.

Further, the large gear is meshed with a first transmission gear, and the second transmission gear is meshed with a small gear.

Further, the bottom of the structural sleeve and the bottom of the cylinder are fixed with dust screens through bolts.

Further, the top of the structural sleeve is fixedly clamped with a protective net through a clamping groove; the arrangement of the protective net can prevent personnel or objects from contacting the fan blades rotating at high speed.

Compared with the prior art, the utility model has the following beneficial effects:

the small motor drives the large gear to rotate, and the first transmission gear and the second transmission gear outside the structural rod drive the small gear to rotate, so that the fan blade is driven to rotate at a high speed through the connecting rod, and the rotation speed of the fan blade can be effectively improved through the transmission of the first transmission gear and the second transmission gear outside the structural rod, so that the heat dissipation efficiency of the fan blade is improved.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a fan driving structure according to the present utility model.

Fig. 2 is a schematic diagram of an internal structure of a fan driving structure according to the present utility model.

Fig. 3 is a schematic structural view of a structural rod of a fan driving structure according to the present utility model.

In the figure: 1. a housing; 2. a structural sleeve; 3. a screen plate; 4. a cylinder; 5. a structural rod; 6. a first transmission gear; 7. a second transmission gear; 8. a rod sleeve; 9. a connecting rod; 10. a fan blade; 11. a pinion gear; 12. a small motor; 13. a large gear; 14. a protective net; 15. a dust-proof net.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a fan driving structure, which comprises a shell 1, a screen 3, a pinion 11 and a large gear 13, wherein a structural sleeve 2 is arranged at the bottom of the shell 1 through a fixed sleeve, the screen 3 is fixed inside the structural sleeve 2 through bolts, a rod sleeve 8 is installed at the top of the screen 3 through a mounting frame, a connecting rod 9 is sleeved inside the rod sleeve 8, fan blades 10 are arranged at the top end of the connecting rod 9 through a flat key sleeve, a structural rod 5 is fixed inside the structural sleeve 2 through a bearing, a first transmission gear 6 is sleeved outside the structural rod 5, a second transmission gear 7 is sleeved at the top of the first transmission gear 6, a cylinder 4 is fixed at the bottom of the structural sleeve 2 through bolts, and a small motor 12 is installed inside the cylinder 4 through the mounting frame.

The top output shaft of the small motor 12 is fixed with a large gear 13 through a flat key, the bottom end of the connecting rod 9 is fixed with a small gear 11 through a flat key, and the small gear 11 is positioned at the bottom of the screen plate 3.

In this embodiment, as shown in fig. 2, the small motor 12 works to drive the large gear 13 to rotate, and the small gear 11 rotates to drive the fan blade 10 to rotate through the connecting rod 9.

Wherein, the big gear 13 is meshed with the first transmission gear 6, and the second transmission gear 7 is meshed with the small gear 11.

In this embodiment, as shown in fig. 2, the large gear 13 rotates through the first transmission gear 6 and drives the second transmission gear 7 to rotate, and the second transmission gear 7 rotates to drive the small gear 11 to rotate.

Wherein, the dustproof net 15 is fixed on the bottom of the structural sleeve 2 and the bottom of the cylinder body 4 through bolts.

In this embodiment, as shown in fig. 1, the dust screen 15 is provided to prevent dust, impurities, etc. from entering the structural sleeve 2 and the cylinder 4.

Wherein, the protection net 14 is fixed on the top of the structural sleeve 2 through clamping grooves.

In this embodiment, as shown in fig. 2, the protection net 14 is configured to prevent a person or an object from contacting the fan blade 10 rotating at a high speed.

It should be noted that, the utility model is a fan driving structure, when in operation, a person uses a bolt to fix the shell 1 on the cabinet, uses a power line to connect the small motor 12 with an external power supply, opens the small motor 12 to drive the large gear 13 to rotate, the large gear 13 rotates to drive the structural rod 5 and the second transmission gear 7 on the outer side thereof to rotate through the first transmission gear 6, the second transmission gear 7 rotates to drive the small gear 11 to rotate, the small gear 11 rotates to drive the fan blade 10 to rotate at a high speed through the connecting rod 9, and the rotation speed of the fan blade 10 can be effectively improved through the transmission of the first transmission gear 6 and the second transmission gear 7, so that the heat dissipation efficiency of the fan is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fan drive structure, includes casing (1), otter board (3), pinion (11) and gear wheel (13), its characterized in that: the utility model discloses a motor, including casing (1), fixed cover, barrel, small-size motor (12), casing (1), fixed cover, barrel, fixed cover (6) are equipped with structure cover (2) through fixed cover in casing (1), structure cover (2) is inside to have otter board (3) through the bolt fastening, rod cover (8) are installed through the mounting bracket at otter board (3) top, rod cover (8) inside cover is equipped with connecting rod (9), connecting rod (9) top is equipped with flabellum (10) through the flat key cover, be fixed with structure pole (5) in structure cover (2) through the bearing, structure pole (5) outside cover is equipped with transmission gear (6), transmission gear (6) top cover is equipped with No. two transmission gear (7), structure cover (2) bottom is through bolt fastening barrel (4), small-size motor (12) are installed through the mounting bracket in barrel (4).

2. A fan driving structure according to claim 1, wherein: the top output shaft of the small motor (12) is fixed with a large gear (13) through a flat key, the bottom end of the connecting rod (9) is fixed with a small gear (11) through the flat key, and the small gear (11) is positioned at the bottom of the screen plate (3).

3. A fan driving structure according to claim 1, wherein: the large gear (13) is meshed with the first transmission gear (6), and the second transmission gear (7) is meshed with the small gear (11).

4. A fan driving structure according to claim 1, wherein: the bottom of the structural sleeve (2) and the bottom of the cylinder body (4) are fixed with dustproof nets (15) through bolts.

5. A fan driving structure according to claim 1, wherein: the top of the structural sleeve (2) is fixedly provided with a protective net (14) through clamping grooves.