CN108457883B - Driving assembly, fan head assembly and fan - Google Patents

Driving assembly, fan head assembly and fan Download PDF

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Publication number
CN108457883B
CN108457883B CN201810189362.8A CN201810189362A CN108457883B CN 108457883 B CN108457883 B CN 108457883B CN 201810189362 A CN201810189362 A CN 201810189362A CN 108457883 B CN108457883 B CN 108457883B
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CN
China
Prior art keywords
fan head
assembly
fan
drive
driving
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Active
Application number
CN201810189362.8A
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Chinese (zh)
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CN108457883A (en
Inventor
崔世强
蒋团广
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Midea Group Co Ltd
GD Midea Environment Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
GD Midea Environment Appliances Manufacturing Co Ltd
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Priority to CN201810189362.8A priority Critical patent/CN108457883B/en
Publication of CN108457883A publication Critical patent/CN108457883A/en
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Publication of CN108457883B publication Critical patent/CN108457883B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F04D25/105Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/002Details, component parts, or accessories especially adapted for elastic fluid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a driving assembly, a fan head assembly using the driving assembly and a fan using the fan head assembly. The drive assembly is used for driving the fan head rotation of fan head subassembly, drive assembly includes: the first driving motor and the second driving motor are connected with the fan head, and the first driving motor drives the fan head to swing along the horizontal direction; the second driving motor drives the fan head to swing along the vertical direction. The fan using the driving assembly has a larger air supply range and air supply distance.

Description

Driving assembly, fan head assembly and fan
Technical Field
The present invention relates to a fan, and more particularly to a driving assembly, a fan head assembly using the driving assembly, and a fan using the fan head assembly.
Background
At present, most fans in the market shake the head in the following ways: the whole machine head is rocked, and the machine head is usually rocked left and right. Specifically, the rear synchronous motor of the fan drives the whole machine head to swing left and right through a crank. In the head shaking mode, only the position where the machine head passes generates wind, so that the air supply range of the fan is smaller.
Disclosure of Invention
In view of the foregoing, the present invention provides a driving assembly, which is intended to provide a fan using the driving assembly with a larger air supply range.
In order to solve the above technical problems, the driving assembly provided by the present invention is used for driving a fan head of a fan head assembly to rotate, and the driving assembly includes:
the first driving motor is connected with the fan head and drives the fan head to swing along the horizontal direction;
and the second driving motor is connected with the fan head and drives the fan head to swing along the vertical direction.
Further, the driving assembly further comprises a first transmission assembly, the first transmission assembly comprises a first transmission gear and a driven rack connected with the fan head, the first driving motor comprises an output shaft, the first transmission gear is sleeved on the output shaft and meshed with the driven rack, the first transmission gear is vertically arranged, and the central axis of the first transmission gear is parallel to the central axis of the fan head.
Further, the driving assembly further comprises a mounting frame, the mounting frame is provided with a mounting groove, the first driving motor is mounted in the mounting groove, and the output shaft penetrates through the bottom wall of the mounting groove and is connected with the first transmission gear.
Further, the driving assembly further comprises a connecting piece for supporting the second driving motor, the connecting piece comprises a connecting plate connected with the second driving motor and a supporting plate connected with the connecting plate in an included angle, the supporting plate is arranged on the mounting frame, and the surface of the supporting plate, facing the first transmission gear, of the supporting plate is convexly provided with the driven rack.
Further, the limiting groove is formed in the supporting plate, and the mounting frame is provided with a limiting part in a protruding mode and is movably accommodated in the limiting groove.
Further, the driving assembly further comprises a second transmission assembly, the second transmission assembly comprises a second transmission gear and a driven gear connected with the fan head, the second driving motor comprises an output shaft, the second transmission gear is sleeved on the output shaft and meshed with the driven gear, the second transmission gear is vertically arranged, and the central axis of the second transmission gear is perpendicular to the central axis of the fan head.
Further, the drive assembly also includes a third drive motor including an output shaft coupled to the fan head.
Further, the driving assembly further comprises a motor support, and the first driving motor, the second driving motor and the third driving motor are all arranged on the motor support.
The invention also provides a fan head assembly, which comprises the driving assembly and a fan head.
Further, the fan head comprises fan blades, and an included angle between the outermost edge of the theoretical airflow column formed when the fan blades rotate and the rotation central axis of the fan blades is defined as a wind diffusion angle R 1 The R is 1 The method meets the following conditions: r is less than 0 DEG 1 ≤45°。
The invention also provides a fan, which further comprises the fan head assembly, wherein the fan head assembly is rotatably arranged on the supporting assembly.
The driving assembly comprises a first driving motor and a second driving motor which are both connected with the fan head. The first driving motor drives the fan head to swing along the horizontal direction, and the second driving motor drives the fan head to swing along the vertical direction, so that the fan head has a splayed motion track, and wind sent out by the fan head forms a spiral shape, thereby increasing the air supply range and the air supply distance of the fan.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of a fan head assembly according to the present invention.
Fig. 2 is an exploded view of one embodiment of the fan head assembly of fig. 1.
Fig. 3 is a schematic structural diagram of an embodiment of a clip spring, a fixing case, a clamping member, a bearing and a fixing member of the fan head assembly shown in fig. 1.
Fig. 4 is a schematic structural diagram of an embodiment of a third driving motor, a connection pad, a second driving gear, a connecting piece and a second driving motor of the fan head assembly shown in fig. 1.
Fig. 5 is a schematic structural view of an embodiment of a connector of the fan head assembly shown in fig. 1.
Fig. 6 is a schematic structural diagram of an embodiment of the first driving motor, the first driving gear and the mounting frame of the fan head assembly shown in fig. 1.
FIG. 7 is an air-out schematic view of an embodiment of the fan head assembly of the present invention.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1-6, the present invention provides a driving assembly for driving a fan head 90 of a fan head assembly 100 to rotate.
The drive assembly includes:
a first driving motor 30, the first driving motor 30 being connected to the fan head 90, the first driving motor 30 driving the fan head 90 to reciprocally swing in a horizontal direction;
and a second driving motor 50, the second driving motor 50 being connected to the fan head 90, the second driving motor 50 driving the fan head 90 to reciprocally swing in a vertical direction.
In an embodiment of the present invention, the driving assembly further includes a motor bracket 10, the first driving motor 30 is disposed on the motor bracket 10, and the second driving motor 50 is also disposed on the motor bracket 10.
In at least one embodiment of the present invention, the motor bracket 10 includes a base plate 11, a first fixing plate 13, and a second fixing plate 15. The first fixing plate 13 and the second fixing plate 15 are respectively provided at both ends of the bottom plate 11. The first driving motor 30 is provided to the second fixing plate 15.
It can be appreciated that the first driving motor 30 drives the fan head 90, the second driving motor 50 and the motor bracket 10 to swing in the horizontal direction, and the second driving motor 50 drives the fan head 90, the first driving motor 30 and the motor bracket 10 to swing in the vertical direction.
It will be appreciated that the first drive motor 30 drives the fan head 90 to swing to the left by 0 ° < r.ltoreq.30° in the horizontal direction, then to swing to the initial position, then to swing to the right by 0 ° < r.ltoreq.30° in the horizontal direction, then to swing to the initial position, and so on repeatedly. Alternatively, the fan head 90 swings to 5 °, 10 °, 20 °, 30 °, 25 °, or 15 °, etc., both to the left and right, depending on the actual demand.
The drive assembly of the present invention includes a first drive motor 30 and a second drive motor 50, both connected to a fan head 90. The first driving motor 30 drives the fan head 90 to swing along the horizontal direction, and the second driving motor 50 drives the fan head 90 to swing along the vertical direction, so that the fan head 90 has a splayed motion track, and the wind sent out by the fan head 90 forms a spiral shape, thereby increasing the air supply range and the air supply distance of the fan 90.
Further, the first driving motor 30 can drive the fan head 90 to swing along the horizontal direction, and the second driving motor 50 can drive the fan head 90 to swing along the vertical direction, so that a larger negative pressure is generated at the fan head 90, more air is sucked in, and larger wind can be blown out of the fan head 90, and the wind speed is larger.
The driving assembly further comprises a first transmission assembly, the first transmission assembly comprises a first transmission gear 33 and a driven rack 557 connected with the fan head 90, the first driving motor 30 comprises an output shaft 31, the first transmission gear 33 is sleeved on the output shaft 31, the first transmission gear 33 is meshed with the driven rack 557, the first transmission gear 33 is vertically arranged, and the central axis A of the first transmission gear 33 is parallel to the central axis B of the fan head 90.
The first transmission gear 33 is provided with a through hole 331, and the output shaft 31 passes through the through hole 331 to be connected to the first transmission gear 33.
The first transmission gear 33 is vertically disposed, and a central axis a of the first transmission gear 33 is parallel to a central axis B of the fan head 90. It can be appreciated that the driven rack 557 is horizontally disposed, and the first transmission gear 33 is meshed with the driven rack 557 to drive the fan head 90, the motor bracket 10, the third driving motor 70 and the second driving motor 50 to swing left and right in a horizontal direction.
It will be appreciated that the first transfer gear 33 is rotatable about the central axis B; the blades 91 of the fan head 90 are rotatable about the central axis B.
The driving assembly further comprises a mounting frame 35 connected with the second fixing plate 15, the mounting frame 35 is provided with a mounting groove 351, the first driving motor 30 is mounted in the mounting groove 351, and the output shaft 31 penetrates through the bottom wall of the mounting groove 351 and is connected with the first transmission gear 33.
The mounting frame 35 comprises a frame body (not labeled), the frame body is provided with the mounting groove 351, two ends of the frame body are both convexly provided with protruding blocks, and the two protruding blocks and the frame body jointly form the clamping groove 37.
The frame body is also provided with a limiting part 353 in a protruding mode, and the limiting part 353 is positioned between the two convex blocks.
When the first driving motor 30 is operated, the output shaft 31 drives the second driving motor 50, the third driving motor 70 and the fan head 90 to swing in the horizontal direction, specifically, to swing left and right in the horizontal direction through the first driving gear 33 and the driven rack 557.
The driving assembly further comprises a connecting piece 55 for supporting the second driving motor 50, the connecting piece 55 comprises a connecting plate 551 connected with the second driving motor 50 and a supporting plate 555 connected with the connecting plate 551 in an included angle, the supporting plate 555 is arranged on the mounting frame 35, and the surface of the supporting plate 555 facing the first transmission gear 33 is convexly provided with the driven rack 557.
The connection plate 551 has a substantially disc-shaped structure. The connection plate 551 is provided with an opening 5511, and a connection cylinder 553 is convexly arranged on the surface of the connection plate 551 away from the second driving motor 50, and the connection cylinder 553 is communicated with the opening 5511, so that the output shaft 51 can pass through the opening 5511 and the connection cylinder 553 to be connected with the second driving gear 53.
It will be appreciated that the output shaft 51 rotatably extends through the aperture 5511 and the connecting barrel 553. When the second driving motor 50 works, the output shaft 51 can drive the third driving motor 70, the motor bracket 10 and the fan head 90 to swing reciprocally in the vertical direction through the engagement between the second driving gear 53 and the driven gear 731.
The support plate 555 is provided with a limit groove 559, the mounting frame 35 is provided with a limit portion 353 in a protruding manner, and the limit portion 353 is movably accommodated in the limit groove 559.
The bottom wall of the installation groove of the installation frame 35 is convexly provided with a limiting part 353. The free end of the stopper 353 is formed with a stopper post 3531. After the limiting portion 353 is mounted in the limiting groove 559, the limiting post 3531 is engaged with a groove wall of the limiting groove 559, so as to ensure that the limiting portion 353 is permanently accommodated in the limiting groove 559.
In at least one embodiment of the present invention, the support plate 555 is further provided with a relief hole 558, and the relief hole 558 is communicated with the limiting groove 559. And the width of the limiting groove 559 is smaller than the width of the relief hole 558, so that the limiting portion 353 can enter the limiting groove 559 through the relief hole 558.
The limiting portion 353 is accommodated in the limiting groove 559 to limit the engagement path of the first driving gear 33 and the driven rack 557, such that the angle of swing of the fan head 90 to the left in the horizontal direction is greater than 0 ° and less than or equal to 30 °, and the angle of swing of the fan head 90 to the right in the horizontal direction is greater than 0 ° and less than or equal to 30 °.
Two ends of the mounting frame 35 are both convexly provided with a protruding block, the two protruding blocks are oppositely arranged to form a clamping groove 37, the clamping groove 37 is communicated with the mounting groove 351, the width of the clamping groove 37 is larger than that of the mounting groove 351, the first driving gear 33 and the driven rack 557 can move in the clamping groove 37 along the horizontal direction, the meshing paths of the first driving gear 33 and the driven rack 557 are limited, the left swing angle of the fan head 90 in the horizontal direction is larger than 0 DEG and smaller than or equal to 30 DEG, and the right swing angle of the fan head 90 in the horizontal direction is larger than 0 DEG and smaller than or equal to 30 deg.
The driving assembly further comprises a second transmission assembly, the second transmission assembly comprises a second transmission gear 53 and a driven gear 731 connected with the fan head 90, the second driving motor 50 comprises an output shaft 51, the second transmission gear 53 is sleeved on the output shaft 51, the second transmission gear 53 is meshed with the driven gear 731, the second transmission gear 53 is vertically arranged, and the central axis C of the second transmission gear 53 is perpendicular to the central axis B of the fan head 90.
The second transmission gear 53 is provided with a second through hole 531, and the output shaft 51 passes through the second through hole 531 to be connected with the second transmission gear 53.
It will be appreciated that the second transfer gear 53 is rotatable about the central axis C.
The second transmission gear 53 is vertically disposed, and the central axis C of the second transmission gear 53 is perpendicular to the central axis B of the fan head 90, when the second driving motor 50 works, the output shaft 51 drives the third driving motor 70 and the fan head 90 to swing in a vertical direction, specifically, swing up and down in a vertical direction through the second driving gear 53 and the driven gear 731.
The drive assembly further comprises a third drive motor 70, which third drive motor 70 comprises an output shaft 71 connected to a fan head 90.
The third drive motor 70 drives the fan head 90 to rotate in a direction perpendicular to the central axis B through its output shaft 71.
Specifically, the third driving motor 70 further drives the fan head 90 through its output shaft 51 to make a 360 ° rotation in a direction perpendicular to the central axis B. When the driving assembly is applied to a fan, the blades 91 of the fan head 90 also swing up and down and swing left and right in the rotating process along the direction perpendicular to the central axis B thereof, and the air is sent out to have a spiral shape, so that the air supply range and the air supply distance of the fan are increased.
Further, the third driving motor 70 and the fan head 90 swing up and down and left and right, so that the air sent out also swings up and down and left and right, and the air sent out is more comfortable and fresh.
Further, the driving assembly can drive the fan head 90 to rotate around the central axis B, swing up and down and swing left and right, so that a larger negative pressure is generated at the fan head 90, more air is sucked in, and the fan head 90 can blow out larger wind with larger wind speed.
The present invention also provides a fan head assembly 100.
The fan head assembly 100 includes the drive assembly and the fan head 90 described above.
Fan head 90 includes fan blades 91 and hub 93. The fan blade 91 is disposed on the hub 93.
In an embodiment of the present invention, the fan blades 91 include a main fan blade 911 and a kilo-blade 913, the hub 93 is fixedly provided with a plurality of main fan blades 911, and the kilo-blade 913 is arranged between adjacent main fan blades 911, and the kilo-blade 913 and the main fan blades 911 are arranged in a duck-type arrangement in the axial direction of the hub 93. When the fan head 90 rotates, the air flow on the air inlet side is accelerated by the kilowatt 913 to form a separation vortex which interferes with the air flow of the main fan blade 911, and suction force for taking away the backflow accumulated on the front edge of the root of the main fan blade 911 is generated on the suction surface of the main fan blade 911, so that the air flow on the front edge of the root of the main fan blade 911 becomes smooth, the actual working area is increased, and therefore, the inner flow quality of the fan head 90 is good and the efficiency is high. So that the fan head 90 has a larger air supply range, a longer air supply distance and a faster air speed.
Generally, the position of the kilo-leaf 913 in the axial direction of the hub is located upstream of the main fan blade 911 with respect to the air flow flowing through the fan head 90, so that the flow quality of the air flowing through the fan head 90 is better.
In the embodiment of the present invention, the main fan blade 911 and the kilo blade 913 are respectively designed to be a forward curved swept blade and a backward curved swept blade, and the kilo blade 913 is shaped by adopting a backward curved front edge and a straight rear edge, and the rear edge has a forward swept angle. The kilo-leaf 913 and the main fan blade 911 are arranged on the hub 93 in an upper duck-type arrangement. It should be noted that the kilo-leaf 913 and the main fan blade 911 may be arranged on the hub 93 in a lower duck-type layout, so as to enhance the design flexibility of the fan head 90. It should be appreciated that the main blade 911 may also be a swept or straight blade design.
Since the fan head assembly 100 adopts all the technical solutions of all the embodiments, at least the beneficial effects of the technical solutions of the embodiments are provided, and will not be described in detail herein.
The angle between the outermost edge of the theoretical airflow column formed by the rotation of the fan blade 91 and the rotation central axis B of the fan blade 91 is defined as the wind diffusion angle R 1 The R is 1 The method meets the following conditions: r is less than 0 DEG 1 ≤45°。
Referring to fig. 7, the angle between the outermost edge of the theoretical airflow column formed by the rotation of the fan blade 91 and the rotation central axis B of the fan blade 91 is defined as the wind diffusion angle R 1 The wind diffusion angle R of the invention 1 The method meets the following conditions: r is less than 0 DEG 1 ≤45°。
Alternatively, the wind diffusion angle R of the present invention 1 The method meets the following conditions: r is less than 5 DEG 1 ≤45°。
The wind diffusion angle of the fan in the technical scheme of the invention is less than R of 0 DEG 1 Under the range of 45 degrees or less, the fan can have a larger air supply range, and blown air can meet the requirements of users on comfort.
Setting the wind diffusion angle of the fan blade in the prior art as R 0
Wherein R is 1 <R 0 The fan has the advantages of high wind speed and longer air supply distance.
The driving assembly further comprises a connecting disc 73, and the surface of the connecting disc 73 is convexly provided with the driven gear 731.
In at least one embodiment of the present invention, the driven gear 731 is provided at a central area of the connection pad 73.
Notches 737 are also recessed in the periphery of the connection plate 73. The driving assembly further comprises a connecting rod 735, two ends of the connecting rod 735 are provided with accommodating holes (not labeled), the driven gear 731 is convexly provided with a positioning column 7311, the positioning column 7311 and the output shaft 51 are respectively matched with the corresponding accommodating holes, and the positioning column 7311 and the output shaft 51 are respectively and rotatably accommodated in the corresponding accommodating holes so as to ensure the meshing stability between the driven gear 731 and the second driving gear 53.
The output shaft 51 is received in the receiving hole of the connecting rod 735 after passing through the second through hole 531 of the second transmission gear 53.
It will be appreciated that the output shaft 51 is received in the receiving bore through the second drive gear 53.
The connecting rod 735 may be partially received in the notch 737 to ensure compactness of the drive assembly. In at least one embodiment of the present invention, the connecting rod 735 is received in the notch 737 and abuts against the bottom wall of the notch 737, so that the connecting rod 735 is stably mounted to the notch 737.
The surface of the connection disc 73 remote from the second driving motor 50 is connected to the third driving motor 70.
The driving assembly further includes a fixing member 75 and a bearing 77, the fixing member 75 being provided with a first through hole 751 through which the output shaft 71 passes.
The surface of the fixing member 75 away from the third driving motor 73 is further provided with a protection cylinder 753 in a protruding manner, and the protection cylinder 753 communicates with the first through hole 751. The output shaft 71 passes through the first through hole 751 and the protective cylinder 753. The bearing 77 is sleeved on the outer surface of the protective cylinder 753. Thereby facilitating the engagement of the output shaft 71 of the third drive motor 70 with the bearing 77 and thus improving the reliability of the operation of the drive assembly.
The bearing 77 is provided with a second through hole 771, and the output shaft 71 passes through the first through hole 751, the protection cylinder 753, and the second through hole 771 to be connected with the fan head 90.
Specifically, the surface of the protection cylinder 753 is concavely provided with a catching groove 755.
The drive assembly further includes a snap spring 777, the snap spring 777 being adapted to snap into the snap groove 755 to define the bearing 77 between the mount 75 and the snap spring 777. Because the bearing 77 is arranged on the motor bracket 10, the bearing 77 is limited between the fixing piece 75 and the clamp spring 777, the relative position between the third driving motor 70 and the bearing 77 can be ensured, and the output shaft 71 of the third driving motor 70 is convenient to match with the bearing 77, so that the third driving motor 70 is convenient to drive the fan blade 91 to rotate, the air supply range can be enlarged, the air supply speed and the air supply distance can be improved, and the comfort level of a user can be met.
Further, the clamp spring 777 is arc-shaped, and the arc-shaped clamp spring 777 is provided with an opening 7771 so as to be conveniently clamped in the clamping groove 755. Specifically, the central angle corresponding to the arc is larger than 180 °, so that the snap spring 777 can be prevented from falling off from the clamping groove 755. Still further, be equipped with at least one recess 7773 on the inner peripheral wall of jump ring 777, jump ring 777 is liable to take place to warp in recess 7773 department, is convenient for establish jump ring 777 card in joint groove 755 from this, and is convenient for take out in the joint groove 755.
The first fixing plate 13 of the motor bracket 10 is provided with a containing groove 135, the containing groove 135 is an arc-shaped groove, and the bearing 77 is clamped in the containing groove 135. The accommodating groove 135 can fix the bearing 77, and prevent the bearing 77 from falling off the motor bracket 10 during the operation of the fan, thereby improving the reliability of the operation of the driving assembly and the operation of the fan.
The driving assembly further comprises a clamping piece 773, and the clamping piece 773 is provided with a third through hole 7731.
In at least one embodiment of the present invention, the bearing 77 is accommodated in the third through hole 7731, and the engaging member 773 is engaged in the accommodating groove 135, so as to protect the bearing 77.
The driving assembly further comprises a fixing housing 775, the fixing housing 775 is provided with a fourth through hole 7751, and the part of the bearing 77 extending out of the clamping piece 773 can be accommodated in the fourth through hole 7751 so as to protect and damp the bearing 77.
The driving assembly further includes a damper 79, and the damper 79 is also provided with a fifth through hole 791.
In at least one embodiment of the present invention, the material of the shock absorbing member 79 may be rubber.
After the bearing 77 and the engaging member 773 are received in the fifth through hole 791, the shock absorbing member 79 is engaged in the receiving groove 135 to protect the bearing 77.
The fan head assembly 100 further comprises a housing 80, the motor bracket 10 is arranged on the housing 80, the housing 80 is provided with a hole 81, and the output shaft 71 passes through the hole 81 to be connected with the fan head 90.
The housing 80 is further provided with an engagement groove 83, and the hole 81 penetrates the bottom wall of the engagement groove 83.
In at least one embodiment of the present invention, the engaging member 79 connected to the third driving motor 70 is engaged with the engaging groove 83, and connects the third driving motor 70 to the housing 80.
The housing 80 may increase the aesthetic appearance of the fan head assembly 100 while preventing access to the fan head assembly 100.
The fan head assembly 100 further comprises a mesh enclosure nut 85 clamped between the housing 80 and the fan head 90, the mesh enclosure nut 85 is provided with a through hole 851, and the output shaft 71 passes through the hole 81 and the through hole 851 to be connected with the fan head 90.
In one embodiment of the invention, the screen nut 85 is located on the side of the housing 80 remote from the motor support 10.
In an embodiment of the present invention, the mesh enclosure nut 85 is in threaded connection with the housing 80, and the output shaft 71 of the third driving motor 70 passes through the housing 80 and the mesh enclosure nut 85 to be connected with the fan head 90. The mesh enclosure nut 85 is used for limiting the hub 93 of the fan head 90 between the housing 80 and the mesh enclosure nut 85, and serves the purpose of fixing the hub 93.
The invention also provides a fan, which comprises a support component and the fan head component 100, wherein the fan head component 100 is rotatably arranged on the support component.
The fan may be an electric fan.
The fan adopts all the technical schemes of all the embodiments, so that the fan has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (10)

1. A drive assembly for driving a fan head of a fan head assembly to rotate, the drive assembly comprising:
the first driving motor is connected with the fan head and drives the fan head to swing along the horizontal direction;
the second driving motor is connected with the fan head and drives the fan head to swing along the vertical direction;
the driving assembly further comprises a third driving motor, and the third driving motor comprises an output shaft connected with the fan head;
the driving assembly further comprises a fixing piece and a bearing, and the fixing piece is provided with a first through hole for the output shaft to pass through; the surface of the fixing piece, which is far away from the third driving motor, is also convexly provided with a protection cylinder, and the protection cylinder is communicated with the first through hole; the output shaft passes through the first through hole and the protection cylinder; the bearing is provided with a second through hole, and the output shaft penetrates through the first through hole, the protection cylinder and the second through hole and is connected with the fan head;
the driving assembly further comprises a clamp spring, and the clamp spring is suitable for being clamped in the clamping groove to limit the bearing between the fixing piece and the clamp spring;
the first fixed plate of the motor bracket is provided with a containing groove which is an arc-shaped groove, and the bearing is clamped in the containing groove.
2. The drive assembly of claim 1, further comprising a first drive assembly comprising a first drive gear and a driven rack connected to the fan head, wherein the first drive motor comprises an output shaft, the first drive gear is sleeved on the output shaft and engaged with the driven rack, the first drive gear is vertically arranged, and a central axis of the first drive gear is parallel to a central axis of the fan head.
3. The drive assembly of claim 2, further comprising a mounting bracket defining a mounting slot, the first drive motor being mounted to the mounting slot, the output shaft passing through a bottom wall of the mounting slot and being coupled to the first drive gear.
4. A drive assembly as claimed in claim 3, wherein the drive assembly further comprises a connection member for supporting the second drive motor, the connection member comprising a connection plate for connection with the second drive motor and a support plate for connection at an angle to the connection plate, the support plate being provided on the mounting frame, the surface of the support plate facing the first drive gear being provided with the driven rack in a convex manner.
5. The drive assembly of claim 4, wherein the support plate defines a limit slot, and the mounting bracket defines a limit portion that is movably received in the limit slot.
6. The drive assembly of any one of claims 1 to 5, further comprising a second transmission assembly, wherein the second transmission assembly comprises a second transmission gear and a driven gear connected with the fan head, the second drive motor comprises an output shaft, the second transmission gear is sleeved on the output shaft, the second transmission gear is meshed with the driven gear, the second transmission gear is vertically arranged, and the central axis of the second transmission gear is perpendicular to the central axis of the fan head.
7. The drive assembly of claim 1, further comprising a motor mount, wherein the first drive motor, the second drive motor, and the third drive motor are disposed on the motor mount.
8. A fan head assembly comprising a drive assembly according to any one of claims 1 to 7 and a fan head.
9. The fan head assembly as claimed in claim 8, wherein the fan head comprises fan blades, and an angle between an outermost edge of a theoretical airflow column formed by rotation of the fan blades and a rotation central axis of the fan blades is defined as a wind diffusion angle R 1 The R is 1 The method meets the following conditions: r is less than 0 DEG 1 ≤45°。
10. A fan comprising a support assembly, wherein the fan further comprises a fan head assembly according to any one of claims 8 to 9, the fan head assembly being rotatably mounted to the support assembly.
CN201810189362.8A 2018-03-07 2018-03-07 Driving assembly, fan head assembly and fan Active CN108457883B (en)

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JP2015021411A (en) * 2013-07-18 2015-02-02 バルミューダ株式会社 Electric fan oscillation apparatus and electric fan using the same
CN204239301U (en) * 2014-11-27 2015-04-01 广东美的环境电器制造有限公司 Fan
CN204419652U (en) * 2015-01-16 2015-06-24 何向明 Oscillating fan
CN205956040U (en) * 2016-07-07 2017-02-15 合一电器(深圳)有限公司 Floor fan head every single move structure and floor fan
CN106438426B (en) * 2016-11-29 2020-03-27 广东美的环境电器制造有限公司 Fan with cooling device
CN107313958B (en) * 2017-06-27 2023-10-24 广东美的环境电器制造有限公司 Driving assembly for fan and fan with driving assembly
CN206943048U (en) * 2017-06-27 2018-01-30 广东美的环境电器制造有限公司 Drive component and the fan that has for fan
CN208252393U (en) * 2018-03-07 2018-12-18 广东美的环境电器制造有限公司 Driving assembly, fan head assembly and fan

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