Left-right swinging head driving structure of fan blade

Abstract

The utility model provides a left-right swinging head driving structure of a fan blade, which comprises a bottom plate, a foot plate rotationally connected to the bottom plate and a driving assembly used for driving the foot plate to rotate relative to the bottom plate, the driving assembly comprises a stepping motor, a motor support used for fixing the stepping motor in the foot disc, a small gear arranged on an output shaft of the stepping motor and a large gear fixed to the bottom plate and used for meshing transmission of the small gear, and the stepping motor drives the small gear to be in meshing transmission with the large gear and drives the foot disc to rotate relative to the bottom plate. According to the left-right swing head driving structure of the fan blade, the stepping motor is used for driving the small gear and the large gear to be in meshing transmission and driving the foot disc to rotate relative to the bottom plate, the foot disc can drive the fan blade to rotate by 360 degrees relative to the bottom plate, and therefore the left-right swing head angle of the fan blade using the left-right swing head driving structure is effectively increased; and the indoor flowing area of air blown out by the fan blades is increased, so that the experience feeling of a user in the using process is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a left-right swing head driving structure of a fan blade. Background Art

[0002] Currently, the left and right swing angles of the fan blades on the market are relatively small, resulting in a smaller flow area of ​​the wind blown by the fan blades in the room. This has great limitations during use, affecting the user experience during use. Utility Model Content

[0003] The purpose of the utility model is to solve the problem that the existing fan has a small left and right swing angle of the fan blades, which results in a small flow area of ​​the wind blown by the fan blades in the room, has great limitations during use, and affects the user experience during use. A left and right swing head drive structure of the fan blades is provided.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a left and right swing head driving structure of a fan blade, including a base plate, a foot plate rotatably connected to the base plate, and a driving component for driving the foot plate to rotate relative to the base plate, the driving component including a stepper motor, a motor bracket for fixing the stepper motor in the foot plate, a small gear arranged on the output shaft of the stepper motor, and a large gear fixed to the base plate and used for meshing and transmitting with the small gear, the stepper motor drives the small gear to mesh and transmit with the large gear and drive the foot plate to rotate relative to the base plate.

[0005] Furthermore, the large gear includes a gear tooth portion meshing with the small gear for transmission, an oil storage portion for storing oil, and a rotating portion arranged between the gear tooth portion and the oil storage portion, and a first rotating groove is arranged on the rotating portion, and the stepping motor drives the motor bracket to rotate along the first rotating groove relative to the large gear.

[0006] Furthermore, a plurality of oil storage tanks are provided on the oil storage part of the large gear, the motor bracket includes a mounting platform for mounting the stepper motor and a first through hole through which the oil storage part of the large gear can pass, and the top end of the oil storage part passes into the first through hole and is fixedly connected to the fixing cover.

[0007] Furthermore, it also includes a plurality of first locking members, which pass through the stepper motor and the fixed cover and are locked in the mounting platform of the motor bracket and the oil storage part of the large gear, so that the stepper motor and the motor bracket as well as the large gear and the fixed cover are fixedly connected.

[0008] Furthermore, it also includes a plurality of second locking members, which pass through the bottom plate and are locked in the large gear, so that the large gear and the bottom plate are fixedly connected.

[0009] Furthermore, the bottom plate is provided with a second rotation groove for the foot plate to be embedded in, and the stepping motor drives the motor bracket to drive the foot plate to rotate along the second rotation groove relative to the bottom plate.

[0010] Furthermore, the foot plate is provided with a plurality of rotating balls and a plurality of mounting grooves for mounting the rotating balls, and the rotating balls are mounted in the second rotating grooves of the base plate so that the foot plate can rotate relative to the base plate along the second rotating grooves.

[0011] Furthermore, the left and right swing head driving structure of the fan blade also includes a circuit board fixed in the foot tray and a power cord arranged on the base plate, and the foot tray has a second through hole for the power cord to pass through, and the power cord passes through the second through hole and is electrically connected to the circuit board in the foot tray.

[0012] Furthermore, a bottom cover is provided at the bottom of the base plate, and a clamping rib structure is provided on the bottom cover. The bottom cover is clamped and embedded in the bottom of the base plate through the clamping rib structure, and the power cord is installed on the base plate by clamping the attachment of the power cord into the clamping groove of the base plate.

[0013] Furthermore, it also includes a plurality of third locking members, which pass through the bottom cover and are locked in the bottom plate, so that the bottom cover is fixedly connected to the bottom plate, and an infrared window is also arranged on the foot plate.

[0014] The beneficial effect of the left-right swing drive structure of the fan blade provided by the utility model is that by using a stepper motor to drive the small gear to mesh with the large gear and drive the foot plate to rotate relative to the base plate, the foot plate can drive the fan blade to rotate 360 ​​degrees relative to the base plate, thereby effectively improving the left-right swing angle of the fan blade using the left-right swing drive structure, increasing the indoor flow area of ​​the wind blown by the fan blade, and then effectively improving the user experience during use. In addition, by using a motor bracket to fix the stepper motor and the small gear in the foot plate, and fixing the large gear on the base plate, the installation steps of the left-right swing drive structure of the fan blade can be effectively simplified, and the installation efficiency can be improved. At the same time, the stability of the foot plate when the motor bracket drives the small gear to mesh with the large gear during the transmission, under the action of the reaction force of the large gear on the small gear, is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the exploded structure of the left and right swing head driving structure of the fan blade provided by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the motor bracket and the large gear in the left and right swing head driving structure of the fan blade provided by the utility model;

[0017] Figure 3 A cross-sectional view of the left and right swing head drive structure of the fan blade provided by the utility model Figure 1 ;

[0018] Figure 4 A cross-sectional view of the left and right swing head drive structure of the fan blade provided by the utility model Figure 2 ;

[0019] Figure 5 A schematic structural diagram of a bottom cover in a left-right swing head driving structure of a fan blade provided by the utility model.

[0020] 100-The left and right swing head drive structure of the fan blade,

[0021] 10-bottom plate, 11-second rotating groove, 12-bottom cover, 121-clip structure, 13-foot particle, 14-clip groove (14), 15-second through hole, 20-foot plate, 21-rotating bead, 211-installation groove, 22-infrared window 22,

[0022] 30-driving assembly, 31-motor bracket, 311-mounting platform, 312-first through hole, 32-stepping motor, 33-small gear, 34-large gear, 341-oil storage part, 3411-oil storage tank, 342-rotating part,

[0023] 3421-first rotating groove, 343-tooth portion, 35-fixed cover, 40-first locking member,

[0024] 41 - second locking piece, 42 - third locking piece, 43 - fourth locking piece, 50 - power cord, 51 - attachment, 60 - circuit board. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] See also Figure 1-5, which is a left-right swing head driving structure 100 of a fan blade provided by the utility model, and the left-right swing head driving structure 100 of the fan blade comprises a base plate 10, a foot plate 20 rotatably connected to the base plate 10, and a driving component 30 for driving the foot plate 20 to rotate relative to the base plate 10. The driving component 30 comprises a stepping motor 32, a motor bracket 31 for fixing the stepping motor 32 in the foot plate 20, a small gear 33 arranged on the output shaft of the stepping motor 32, and a large gear 34 fixed on the base plate 10 and used for meshing and transmitting with the small gear 33. The stepping motor 32 drives the small gear 33 to mesh and transmit with the large gear 34 and drives the foot plate 20 to rotate relative to the base plate 10. The left and right swing driving structure 100 of the fan blade provided by the utility model can drive the pinion 33 to mesh with the large gear 34 and drive the foot plate 20 to rotate relative to the base plate 10 by using the stepping motor 32, so that the foot plate 20 can drive the fan blade to rotate 360 ​​degrees relative to the base plate 10, thereby effectively improving the left and right swing angle of the fan blade using the left and right swing driving structure 100 of the fan blade, increasing the indoor flow area of ​​the wind blown by the fan blade, and then effectively improving the user's experience during use. In addition, by using the motor bracket 31 to fix the stepping motor 32 and the pinion 33 in the foot plate 20, and fixing the large gear 34 on the base plate 10, the installation steps of the left and right swing driving structure 100 of the fan blade can be effectively simplified, and the installation efficiency can be improved. At the same time, the stability of the foot plate 20 driven by the motor bracket 31 to rotate relative to the base plate 10 can be ensured in the process of the drive motor driving the pinion 33 to mesh with the large gear 34. Under the action of the reaction force of the large gear 34 on the pinion 33, the stability of the foot plate 20 is driven by the motor bracket 31 when it rotates relative to the base plate 10. In addition, by driving the small gear 33 to rotate around the large gear 34 through the stepper motor 32, the torque of the driving motor can be effectively improved when the foot plate 20 is driven to rotate relative to the base plate 10 through the motor bracket 31, thereby further improving the stability of the fan blades of the left and right swing head driving structure 100 using the fan blades during the left and right swing head process.

[0027] like Figure 2As shown, the large gear 34 includes a gear tooth portion 343 meshing with the small gear 33, an oil storage portion 341 for storing oil, and a rotating portion 342 disposed between the gear tooth portion 343 and the oil storage portion 341. The rotating portion 342 is provided with a first rotating groove 3421. The stepping motor 32 drives the motor bracket 31 to rotate relative to the large gear 34 along the first rotating groove 3421. The oil storage portion 341 of the large gear 34 is provided with a plurality of oil storage grooves 3411. The motor bracket 31 includes a mounting platform 311 for mounting the stepping motor 32 and a first through hole 312 through which the oil storage portion 341 of the large gear 34 can pass. The top end of the oil storage portion 341 passes into the first through hole 312 and is fixedly connected to the fixing cover 35. In the embodiment provided by the utility model, the oil storage tank 3411 of the oil storage part 341 of the large gear 34, the first rotating groove 3421 of the rotating part 342, and the gear part 343 are all coated with grease, so as to ensure smoothness and no friction noise during the process of the drive motor driving the small gear 33 to mesh with the large gear 34 and the process of the motor bracket 31 rotating around the large gear 34 with the drive motor, thereby further improving the user's experience when using the fan with the left and right swing head drive structure 100 of the fan blade. In addition, in the embodiment provided by the utility model, grease is also coated between the bottom of the fixed cover 35 and the top of the first through hole 312 of the motor bracket 31, thereby further ensuring smoothness and no friction noise during the process of the motor bracket 31 rotating around the large gear 34 with the drive motor. In this embodiment, the first rotating groove 3421 on the rotating portion 342 of the large gear 34 can effectively limit the displacement of the motor bracket 31 along the first limiting groove relative to the large gear 34, thereby preventing the motor bracket 31 from shaking relative to the large gear 34 during rotation, thereby ensuring the stability and accuracy of the foot plate 20 driven by the motor bracket 31 to rotate relative to the base plate 10.

[0028] like Figure 1 and Figure 3As shown, in the embodiment provided by the utility model, a plurality of first locking members 40 are also included, and the plurality of first locking members 40 pass through the stepper motor 32 and the fixed cover 35 and are locked in the mounting platform 311 of the motor bracket 31 and the oil storage part 341 of the large gear 34, so that the stepper motor 32 and the motor bracket 31, and the large gear 34 and the fixed cover 35 are fixedly connected. A plurality of second locking members 41 are also included, and the plurality of second locking members 41 pass through the bottom plate 10 and are locked in the large gear 34, so that the large gear 34 and the bottom plate 10 are fixedly connected. By using locking members such as bolts, studs and pins to pass through the stepper motor 32 and the fixed cover 35 and lock them in the mounting platform 311 of the motor bracket 31 and the oil storage part 341 of the large gear 34, the stability of the fixed connection between the stepper motor 32 and the motor bracket 31, and the large gear 34 and the fixed cover 35 can be effectively guaranteed, thereby ensuring the stability of the driving motor when the motor bracket 31 is driven to rotate relative to the large gear 34 under the action of the reaction force of the large gear 34 acting on the small gear 33. By using the second locking member 41 such as bolts, studs and pins to pass through the bottom plate 10 and lock it in the oil storage part 341 of the large gear 34, the stability of the fixed connection between the large gear 34 and the bottom plate 10 can be effectively guaranteed, thereby ensuring the stability of the reaction force of the large gear 34 acting on the small gear 33. In the embodiment provided by the present utility model, the motor bracket 31 is fixedly connected to the foot plate 20 through a plurality of fourth locking members 43 such as bolts, studs and pins, thereby effectively ensuring the stability of the fixed connection between the motor bracket 31 and the foot plate 20, thereby ensuring the stability of the driving motor in the process of driving the foot plate 20 to rotate relative to the bottom plate 10 through the motor bracket 31 under the reaction force of the large gear 34 acting on the small gear 33.

[0029] like Figure 1 and Figure 4As shown, the bottom plate 10 is provided with a second rotation groove 11 for the foot plate 20 to be inserted, and the stepping motor 32 drives the motor bracket 31 to drive the foot plate 20 to rotate along the second rotation groove 11 relative to the bottom plate 10. The foot plate 20 is provided with a plurality of rotating beads 21 and a plurality of mounting grooves 211 for mounting the rotating beads 21. By mounting the rotating beads 21 in the second rotation groove 11 of the bottom plate 10, the foot plate 20 can rotate along the second rotation groove 11 relative to the bottom plate 10. In the embodiment provided by the utility model, grease is applied in the second rotation groove 11 on the bottom plate 10, and grease is also applied in the mounting groove 211 on the foot plate 20, so that after the foot plate 20 is rotatably connected to the bottom plate 10 and the plurality of rotating beads 21 on the foot plate 20 are embedded in the second rotation groove 11 on the bottom plate 10, when the driving assembly 30 drives the foot plate 20 to rotate relative to the bottom plate 10, the left and right swing head driving structure 100 of the fan blade will not shake and there will be no friction noise, thereby ensuring the smoothness of the fan blade using the left and right swing head driving structure 100 of the fan blade in the process of left and right swing head. In addition, the second rotation groove 11 on the bottom plate 10 can effectively limit the displacement of the foot plate 20 in the process of rotating relative to the bottom plate 10, thereby further avoiding the shaking of the foot plate 20 in the process of rotating relative to the bottom plate 10, and further improving the smoothness of the fan blade using the left and right swing head driving structure 100 of the fan blade in the process of left and right swing head. In the embodiment provided by the utility model, four feet 13 are also provided at the bottom of the base plate 10, and the feet 13 are used to abut against the desktop or the ground, so as to effectively improve the stability of the base plate 10 placed on the desktop or the ground and avoid relative movement between the base plate 10 and the desktop or the ground during the process of the driving component 30 driving the foot plate 20 to rotate relative to the base plate 10.

[0030] like Figure 1 , such as 3 and Figure 5As shown, the left and right swing drive structure 100 of the fan blades also includes a circuit board 60 fixed in the foot plate 20 and a power cord 50 arranged on the bottom plate 10. The foot plate 20 has a second through hole 15 for the power cord 50 to pass through. The power cord 50 passes through the second through hole 15 and is electrically connected to the circuit board 60 in the foot plate 20. The power cord 50 is fixed to the bottom plate 10 by inserting the attachment 51 of the power cord 50 into the slot 14 (14) of the bottom plate 10. A bottom cover 12 is provided at the bottom of the bottom plate 10, and a clamping rib structure 121 is provided on the bottom cover 12. The bottom cover 12 is clamped and embedded in the bottom of the bottom plate 10 through the clamping rib structure 121. After the power cord 50 is inserted into the second through hole 15 and electrically connected to the circuit board 60 in the foot plate 20, the power cord 50 is installed on the bottom plate 10 by inserting the attachment 51 of the power cord 50 into the slot 14 of the bottom plate 10 and using the clamping rib structure 121 of the bottom cover 12 to be clamped and fixed with the bottom plate 10, and the clamping rib structure 121 of the bottom cover 12 is clamped into the attachment 51 of the power cord 50, thereby effectively ensuring the stability of the installation of the power cord 50. After the bottom cover 12 is clamped and fixed to the bottom plate 10 by the clamping rib structure 121, the third locking members 42 such as a plurality of bolts, studs and pins are passed through the bottom cover 12 and locked in the bottom plate 10, which can effectively improve the stability of the fixed connection between the bottom cover 12 and the bottom plate 10. Through the infrared window 22 on the foot plate 20, the user can control the left and right swing head driving structure 100 of the fan blade through a remote control, thereby further improving the convenience of the user in using the fan using the left and right swing head driving structure 100 of the fan blade.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A left and right swing head driving structure of a fan blade, characterized in that: The invention comprises a base plate (10), a foot plate (20) rotatably connected to the base plate (10), and a driving assembly (30) for driving the foot plate (20) to rotate relative to the base plate (10); the driving assembly (30) comprises a stepping motor (32), a motor bracket (31) for fixing the stepping motor (32) in the foot plate (20), a small gear (33) arranged on the output shaft of the stepping motor (32), and a large gear (34) fixed to the base plate (10) and used for meshing and transmitting with the small gear (33); the stepping motor (32) drives the small gear (33) to mesh and transmit with the large gear (34) and drives the foot plate (20) to rotate relative to the base plate (10) through the motor bracket (31).

2. A left and right swing head driving structure of a fan blade as claimed in claim 1, characterized in that: The large gear (34) comprises a gear tooth portion (343) meshing with the small gear (33) for transmission, an oil storage portion (341) for storing oil, and a rotating portion (342) arranged between the gear tooth portion (343) and the oil storage portion (341), wherein a first rotating groove (3421) is arranged on the rotating portion (342), and the stepping motor (32) drives the motor bracket (31) to rotate along the first rotating groove (3421) relative to the large gear (34).

3. A left and right swing head driving structure of a fan blade as claimed in claim 2, characterized in that: The oil storage portion (341) of the large gear (34) is provided with a plurality of oil storage grooves (3411), the motor bracket (31) comprises a mounting platform (311) for mounting the stepping motor (32) and a first through hole (312) through which the oil storage portion (341) of the large gear (34) can pass, and the top end of the oil storage portion (341) passes into the first through hole (312) and is fixedly connected to the fixing cover (35).

4. A left-right swing drive structure of a fan blade as claimed in claim 3, characterized in that: The invention also comprises a plurality of first locking members (40), wherein the plurality of first locking members (40) pass through the stepping motor (32) and the fixing cover (35) and are locked in the mounting platform (311) of the motor bracket (31) and the oil storage portion (341) of the large gear (34), so that the stepping motor (32) and the motor bracket (31) are fixedly connected and the large gear (34) and the fixing cover (35) are fixedly connected.

5. The left-right swing drive structure of a fan blade as claimed in claim 2, characterized in that: It also includes a plurality of second locking members (41), which pass through the base plate (10) and are locked in the large gear (34), so that the large gear (34) and the base plate (10) are fixedly connected.

6. A left-right swing drive structure of a fan blade as claimed in claim 2, characterized in that: The bottom plate (10) is provided with a second rotation groove (11) in which the foot plate (20) can be inserted, and the stepping motor (32) drives the motor bracket (31) to drive the foot plate (20) to rotate along the second rotation groove (11) relative to the bottom plate (10).

7. A left-right swing drive structure of a fan blade as claimed in claim 6, characterized in that: The foot plate (20) is provided with a plurality of rotating beads (21) and a plurality of mounting grooves (211) for mounting the rotating beads (21). The rotating beads (21) are mounted in the second rotating grooves (11) of the base plate (10), so that the foot plate (20) can be rotated relative to the base plate (10) along the second rotating grooves (11).

8. The left-right swing drive structure of a fan blade as claimed in claim 1, characterized in that: The left and right swing head driving structure of the fan blade also includes a circuit board (60) fixed in the foot tray (20) and a power cord (50) arranged on the base plate (10); the foot tray (20) has a second through hole (15) for the power cord (50) to pass through; the power cord (50) passes through the second through hole (15) and is electrically connected to the circuit board (60) in the foot tray (20).

9. A left-right swing drive structure of a fan blade as claimed in claim 8, characterized in that: A bottom cover (12) is provided at the bottom of the base plate (10), and a clamping rib structure (121) is provided on the bottom cover (12). The bottom cover (12) is clamped and embedded in the bottom of the base plate (10) through the clamping rib structure (121), and the power cord (50) is installed on the base plate (10) by clamping the attachment (51) of the power cord (50) into the clamping groove (14) of the base plate (10).

10. A left-right swing drive structure for a fan blade as claimed in claim 9, characterized in that , including a plurality of third locking members (42), wherein the plurality of third locking members (42) pass through the bottom cover (12) and are locked in the bottom plate (10), so that the bottom cover (12) is fixedly connected to the bottom plate (10), and an infrared window (22) is also provided on the foot plate (20).

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