CN108361213B - Driving assembly, fan head assembly and fan - Google Patents
Driving assembly, fan head assembly and fan Download PDFInfo
- Publication number
- CN108361213B CN108361213B CN201810178653.7A CN201810178653A CN108361213B CN 108361213 B CN108361213 B CN 108361213B CN 201810178653 A CN201810178653 A CN 201810178653A CN 108361213 B CN108361213 B CN 108361213B
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- fan head
- driving motor
- assembly
- fan
- driving
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- 230000005540 biological transmission Effects 0.000 claims description 40
- 238000009792 diffusion process Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims 2
- 241001619937 Hoplerythrinus unitaeniatus Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units 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
- F04D25/105—Units 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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 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 first driving motor and the fan head, and the second driving motor drives the fan head and the first driving motor to rotate along the horizontal direction. The fan using the driving assembly has a large air supply range.
Description
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 configured to drive a fan head of the 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;
the second driving motor is connected with the first driving motor and the fan head, and drives the fan head and the first driving motor to rotate along the horizontal direction.
Further, the driving assembly further comprises a transmission assembly connected with the first driving motor, the transmission assembly comprises a transmission gear, the transmission gear is sleeved on an output shaft of the first driving motor, and the transmission gear is horizontally arranged.
Further, the transmission assembly further comprises a meshing piece meshed with the transmission gear, the driving assembly further comprises a third driving motor, the third driving motor is connected with one end, far away from the transmission gear, of the meshing piece, and the fan head is connected with an output shaft of the third driving motor.
Further, the driving assembly further comprises a supporting piece for supporting the first driving motor, the supporting piece is provided with a through hole, the output shaft penetrates through the through hole, and the transmission gear is sleeved on the portion, penetrating through the through hole, of the output shaft.
Further, the engagement member further comprises a bottom plate connected with the third driving motor, and an engagement portion engaged with the transmission gear is arranged on the surface of the bottom plate facing away from the third driving motor.
Further, the third driving motor comprises a connecting plate, a protection cylinder is convexly arranged in the central area of the connecting plate, a through hole communicated with the protection cylinder is further formed in the connecting plate, and an output shaft penetrates through the through hole and the protection cylinder and is connected with the fan head.
Further, the driving assembly further comprises a bearing, the bearing is sleeved on the protection cylinder, and the output shaft penetrates through the through hole, the protection cylinder and the bearing and is connected with the fan head.
Further, the driving assembly further comprises an electrode bracket, and the first driving motor, the second driving motor and the third driving motor are all arranged on the motor bracket.
The invention also provides a fan head assembly, which comprises the driving assembly and a fan head.
Further, the fan head comprises fan blades, an included angle between the outermost edge of a theoretical airflow column formed when the fan blades rotate and a rotation central axis A of the fan blades is defined as a wind diffusion angle R, and the R satisfies the following conditions: r is more than 0 and less than or equal to 45 degrees.
The invention also provides a fan, which comprises a supporting component and the fan head component, wherein the fan component is rotatably arranged on the supporting component.
The first driving motor of the driving assembly is connected with the fan head, the second driving motor is connected with the first driving motor and the fan head, the first driving motor drives the fan head to swing along the horizontal direction, and meanwhile, the second driving motor drives the fan head and the first driving motor to rotate along the horizontal direction, so that the fan head also rotates along the horizontal direction when the fan head swings along the horizontal direction, and the air supply range of the fan is increased.
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 an exploded view of one embodiment of the motor mount and support of the fan head assembly of fig. 1.
FIG. 4 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. 1-3, the present invention provides a driving assembly for driving a fan head 60 of a fan head assembly 100 to rotate.
The drive assembly includes:
a first driving motor 20, the first driving motor 20 being connected to the fan head 60, the first driving motor 20 driving the fan head 60 to swing in a horizontal direction;
and a second driving motor 70, the second driving motor 70 being connected to the first driving motor 20 and the fan head 60, the second driving motor 70 driving the fan head 60 and the first driving motor 20 to rotate in a horizontal direction.
In an embodiment of the present invention, the driving assembly further includes a motor bracket 10, the first driving motor 20 is disposed on the motor bracket 10, and the third driving motor 50 is disposed on the motor bracket 10.
In an embodiment of the present invention, the fan head 60 is connected to the output shaft 51 of the third driving motor 50.
The first driving motor 20 and the fan head 60 of the driving assembly of the present invention are connected, the second driving motor 70 is connected with the first driving motor 20 and the fan head 60, the first driving motor 20 drives the fan head 60 to swing in the horizontal direction, and simultaneously, the second driving motor 70 drives the fan head 60 and the first driving motor 20 to rotate in the horizontal direction, so that the fan head 60 also rotates in the horizontal direction (i.e. drives the fan head 60 to swing left and right and simultaneously rotate left and right) when the fan head 60 swings in the horizontal direction, thereby increasing the air supply range of the fan.
Further, the first driving motor 20 can drive the fan head 60 to swing along the horizontal direction, and the second driving motor 70 drives the fan head 600 to rotate along the horizontal direction, so that a larger negative pressure is generated at the fan head 60, and more air is sucked, so that the fan head 60 can blow out larger wind with larger wind speed. Therefore, the fan using the driving assembly has the advantages of long air supply distance and high wind speed.
The driving assembly further comprises a transmission assembly connected with the first driving motor 20, the transmission assembly comprises a transmission gear 30, the transmission gear 30 is sleeved on the output shaft 21 of the first driving motor 20, and the transmission gear 30 is horizontally arranged.
The transmission assembly further comprises a meshing piece 40 meshed with the transmission gear 30, the driving assembly further comprises a third driving motor 50 arranged on the motor bracket 10, the third driving motor 50 is connected with one end, far away from the transmission gear 30, of the meshing piece 40, and the fan head 60 is connected with an output shaft 51 of the third driving motor 50.
It will be appreciated that the blades 61 of the fan head 60 are rotatable about the central axis a; the transfer gear 30 is rotatable about a central axis B.
The engagement member 40 is provided with an engagement portion 41 protruding from the engagement member 40 to engage with the transmission gear 30.
In at least one embodiment of the present invention, the transmission gear 30 is provided with a receiving hole (not labeled), and the output shaft 21 extends into the receiving hole, so that the transmission gear 30 can be driven to rotate by the output shaft 21 when the first driving motor 20 works.
In at least one embodiment of the present invention, the transmission gear 30 is provided with a protecting sleeve 31, the protecting sleeve 31 is provided with the accommodating hole, and the output shaft 21 can be accommodated in the accommodating hole of the protecting sleeve 31, so that the protecting sleeve 31 can protect the output shaft 21 and can drive the transmission gear 30 to rotate.
The transmission gear 30 of the driving assembly of the present invention is sleeved on the output shaft 21 of the first driving motor 20. When the first driving motor 20 is operated, the driving transmission gear 30 is rotated in a first direction, and then the driving transmission gear 30 is rotated in a second direction opposite to the first direction, which is repeated. Since the driving gear 30 is disposed in a horizontal direction when the fan is normally placed, the first direction may be left and the second direction may be right. Since the transmission gear 30 is meshed with the meshing portion 41, the third driving motor 50 is connected with an end of the meshing member 40 away from the transmission gear 30, and the fan head 60 is connected with the output shaft 51 of the third driving motor 50, so that the transmission gear 30 drives the third driving motor 50 and the fan head 60 to swing in the horizontal direction, such as to swing leftwards and then rightwards, which is repeated. Meanwhile, the third driving motor 50 also drives the fan head 60 to rotate in a direction around the central axis a thereof through the output shaft 51 thereof, and specifically, the third driving motor 50 also drives the fan head 60 to continue 360 ° rotation in a direction around the central axis a thereof through the output shaft 51 thereof. When the driving assembly is applied to the fan 100, the blades 61 of the fan head 60 are also swung left and right during rotation in a direction perpendicular to the central axis a thereof, thereby increasing the air supply range of the fan. Further, the third driving motor 50 and the fan head 60 swing left and right, so that the sent wind swings left and right, and the sent wind is more comfortable and fresh.
Specifically, the fan head 60 and the third driving motor 50 are swung leftward by 0 ° < r+.ltoreq.30°, then swung to the initial position, then swung rightward by 0 ° < r+.ltoreq.30°, then swung to the initial position, and so on repeatedly. Alternatively, the fan head 60 and the third driving motor 50 swing to 10 °, 20 °, 30 °, 25 °, 15 °, or the like both leftward and rightward according to actual needs.
Specifically, the fan head 60 and the third driving motor 50 are rotated to the left by 0 ° < r+.ltoreq.180°, then rotated to the initial position, then rotated to the right by 0 ° < r+.ltoreq.180°, and then rotated to the initial position, thus being repeated continuously. Alternatively, the fan head 60 and the third driving motor 50 are rotated to 180 °, 170 °, 160 °, 155 °, 150 °, or the like both leftward and rightward according to actual needs.
Further, the driving assembly can drive the fan head 60 to rotate around the central axis a and swing left and right, so that a larger negative pressure is generated at the fan head 60, more air is sucked in, and the fan head 60 can blow out larger wind with larger wind speed. Therefore, the fan using the driving assembly has the advantages of long air supply distance and high wind speed.
The driving assembly further comprises a supporting member 23 for supporting the first driving motor 20, the supporting member 23 is arranged at one end of the motor bracket 10 far away from the fan head 60, the supporting member 23 is provided with a through hole 2311, and the transmission gear 30 is sleeved on the part of the output shaft 21 penetrating through the through hole 2311.
In one embodiment of the present invention, the first driving motor 20 is fixedly coupled to an end of the motor bracket 10 remote from the fan head 60 through the support 23.
The support 23 includes a support plate 231, and the support plate 231 has a substantially square structure. The support plate 231 has a support cylinder 233 protruding from its surface, and the support cylinder 233 communicates with the through hole 2311. The transmission gear 30 is rotatably disposed at a free end of the support cylinder 233, and the output shaft 21 sequentially passes through the through hole 2311 and the support cylinder 233, so that the transmission gear 30 is sleeved on a portion of the output shaft 21 passing through the through hole 2311 and the support cylinder 233. When the first driving motor 20 is operated, the output shaft 21 rotates, thereby driving the transmission gear 30 to rotate.
The engaging member 40 further includes a bottom plate 43 connected to the third driving motor 50, and an engaging portion 41 engaged with the transmission gear 30 is provided on a surface of the bottom plate 43 facing away from the third driving motor 50.
The bottom plate 43 has a substantially disk-like structure.
In at least one embodiment of the present invention, the bottom plate 43 is fixed on the third driving motor 50. It will be appreciated that the engagement portion 41 is provided protruding from the surface of the base plate 43 remote from the third drive motor 50.
Since the third driving motor 50 is fixedly connected with the bottom plate 43 and the fan head 60 is connected with the output shaft 51 of the third driving motor 50, the first driving motor 10 can drive the third driving motor 50 and the fan head 60 to continuously swing left and right along the horizontal direction through the engagement member 40, thereby increasing the air supply range of the fan.
The third driving motor 50 includes a connection board 53, a protection cylinder 533 is disposed in a central area of the connection board 53, a via hole 531 communicating with the protection cylinder 533 is further disposed on the connection board 53, and the output shaft 51 is connected to the fan head 60 through the via hole 531 and the protection cylinder 533.
The connecting piece 13 is provided with a containing groove 131, and the connecting plate 53 is contained in the containing groove 131 so as to fix the third driving motor 50 on the connecting piece 13 of the motor bracket 10.
The connection plate 53 is accommodated in the accommodating groove 131, and the output shaft 51 of the third driving motor 50 passes through the through hole 531 of the connection plate 53, so that the connection plate 53 not only can connect the third driving motor 50 with the motor bracket 10, but also can serve as a fulcrum of the output shaft 51 of the third driving motor 50, and the output shaft 51 can rotate in the through hole 531 to protect the third driving motor 50 from abrasion. Meanwhile, the output shaft 51 passes through the through hole 531 and then is connected with the fan head 60, so as to drive the fan blades 61 of the fan head 60 to rotate 360 ° around the central axis a.
The driving assembly further comprises a bearing 55, the bearing 55 is sleeved on the protection cylinder 533, and the output shaft 51 passes through the through hole 531 and the protection cylinder 533 and the bearing 55 to be connected with the fan head 60.
The bearing 55 may serve as a fulcrum for the output shaft 51 of the third drive motor 50, and the output shaft 51 may rotate in the bearing 55 to protect the third drive motor 50 from wear.
The second driving motor 70 is disposed at an end of the motor bracket 10 remote from the fan head 60.
The drive assembly further includes a mount 71 that mounts the second drive motor 70 to the motor bracket 10.
In at least one embodiment of the present invention, the motor bracket 10 includes a base 11, a connecting member 13 and a connecting bar 15, and the connecting member 13 and the connecting bar 15 are respectively disposed at two ends of the base 11. Alternatively, the number of the connection bars 15 may be two, and the two connection bars 15 may be spaced apart to form a mounting area.
The mounting member 71 is disposed on the base 11 and is accommodated in a mounting region between the connection bars 15 such that the second driving motor 70 is fixedly disposed on the motor bracket 10.
In an embodiment of the present invention, the mounting member 71 is further provided with at least one mounting block 711. Alternatively, the number of the mounting blocks 711 is two, and the second driving motor 70 is provided on the mounting member 71 between the two mounting blocks 711.
The support plate 231 is installed on the connection bar 15 to fixedly connect the first driving motor 20 to the motor bracket 10 and is disposed opposite to the second driving motor 70.
When the second driving motor 70 is operated, the second driving motor 70 drives the motor bracket 10, the first driving motor 20, the third driving motor 50 and the fan head 60 to reciprocate in a direction parallel to the central axis a of the fan head 60, that is, the second driving motor 70 drives the motor bracket 10, the first driving motor 20, the third driving motor 50 and the fan head 60 to reciprocate in the horizontal direction. The fan head 60 rotates 360 ° around the central axis a under the driving of the third driving motor 50, swings left and right in the horizontal direction under the driving of the first driving motor 20, and swings left and right in the horizontal direction under the driving of the second driving motor 70, so that the air supply range of the fan head 60 is larger.
The invention also provides a fan head assembly 100, wherein the fan head assembly 100 comprises the driving assembly and a fan head 60, and the fan head 60 comprises fan blades 61.
In an embodiment of the present invention, the fan blade 61 includes a main fan blade 611 and a kilo-leaf 613, the hub 63 is fixedly provided with a plurality of main fan blades 611, the kilo-leaf 613 is disposed between adjacent main fan blades 611, and the kilo-leaf 613 and the main fan blade 611 are arranged in a duck-type arrangement along the axial direction of the hub 63. When the fan head 60 rotates, the air flow on the air inlet side is accelerated by the thousand leaves 613 to form a separation vortex which interferes with the air flow of the main fan blade 611, and suction force for taking away the backflow accumulated on the front edge of the root of the main fan blade 611 is generated on the suction surface of the main fan blade 611, so that the air flow on the front edge of the root of the main fan blade 611 is smooth, the actual working area is increased, and therefore, the inner flow quality of the fan head 60 is good and the efficiency is high. So that the fan head 60 has a larger air supply range, a longer air supply distance and a faster air speed.
Generally, the position of the thousand leaves 613 in the axial direction of the hub is upstream of the main blades 611 with respect to the air flow flowing through the fan head 60, so that the quality of the air flowing through the fan head 60 is better.
In the embodiment of the present invention, the main fan blade 611 and the thousand-leaf 613 are respectively designed to be a forward curved swept and a backward curved swept, and the thousand-leaf 613 is shaped by adopting a backward curved front edge and a straight rear edge, and the rear edge has a forward swept angle. Wherein, the thousand leaves 613 and the main fan blades 611 are arranged on the hub 63 in an upper duck-type layout. It should be noted that the thousand-leaf 613 and the main fan blade 611 may be arranged on the hub 63 in a lower duck-type layout, so as to enhance the design flexibility of the fan head 60. It should be appreciated that the main blade 611 may also be of 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.
Referring to fig. 4, the included angle between the outermost edge of the theoretical airflow column formed when the fan blade 61 rotates and the rotation central axis a of the fan blade 61 is defined as a wind diffusion angle R, where the wind diffusion angle R of the present invention satisfies: r is more than 0 and less than or equal to 45 degrees.
Optionally, the wind diffusion angle R of the present invention satisfies: r is more than 5 degrees and less than or equal to 45 degrees.
The wind diffusion angle of the fan is more than 0 degrees and less than or equal to 45 degrees, and under the range, the fan can have a larger air supply range, and blown wind can also meet the requirements of users on comfort level.
Setting the wind diffusion angle of the fan blade in the prior art as R 0 。
Wherein R < R 0 The air from the fan of the invention has windThe air supply distance is longer.
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 51 passes through the hole 81 to be connected with the fan head 60.
The housing 80 is further provided with an engaging end 83, and the engaging end 83 engages with the outer surface of the third driving motor 50 to connect the third driving motor 50 with 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 includes a mesh cover nut 90 sandwiched between the housing 80 and the fan head 60, the mesh cover nut 90 is provided with a through hole 91, and the output shaft 51 is connected with the fan head 60 through the hole 81 and the through hole 91.
In one embodiment of the present invention, the screen nut 90 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 90 is in threaded connection with the housing 80, and the output shaft 51 of the third driving motor 50 passes through the housing 80 and the mesh enclosure nut 90 to be connected with the fan head 60. The mesh enclosure nut 90 is used for limiting the hub 63 of the fan head 60 between the housing 80 and the mesh enclosure nut 90, and serves the purpose of fixing the hub 63.
The invention also provides a fan (not shown) which comprises a support component (not shown) and the fan head component 100, wherein the fan head component 100 is rotatably arranged on the support component.
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 (8)
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 first driving motor and the fan head, and drives the fan head and the first driving motor to rotate along the horizontal direction;
the driving assembly further comprises a transmission assembly connected with the first driving motor, the transmission assembly comprises a transmission gear, the transmission gear is sleeved on an output shaft of the first driving motor, and the transmission gear is horizontally arranged;
the driving assembly further comprises a meshing piece meshed with the driving gear, the driving assembly further comprises a third driving motor, the third driving motor is connected with one end, far away from the driving gear, of the meshing piece, and the fan head is connected with an output shaft of the third driving motor;
the meshing piece also comprises a bottom plate connected with the third driving motor, and a meshing part meshed with the transmission gear is arranged on the surface of the bottom plate, facing away from the third driving motor;
the fan head assembly further comprises a shell, a hole is formed in the shell, and an output shaft of the third driving motor penetrates through the hole to be connected with the fan head.
2. The drive assembly of claim 1, further comprising a support member supporting the first drive motor, the support member having a through hole therethrough, the output shaft passing through the through hole, the drive gear being disposed about a portion of the output shaft passing through the through hole.
3. The drive assembly of claim 1, wherein the third drive motor comprises a connection plate, a protection cylinder is convexly arranged in a central area of the connection plate, a through hole communicated with the protection cylinder is further formed in the connection plate, and the output shaft penetrates through the through hole and the protection cylinder and is connected with the fan head.
4. A drive assembly as in claim 3, further comprising a bearing, the bearing being mounted on the protective barrel, the output shaft passing through the via, the protective barrel and the bearing and being connected to the fan head.
5. The drive assembly of any one of claims 1 to 4, further comprising a motor mount, wherein the first drive motor, the second drive motor, and the third drive motor are each disposed on the motor mount.
6. A fan head assembly comprising a drive assembly according to any one of claims 1 to 5 and a fan head.
7. The fan head assembly of claim 6, wherein the fan head comprises fan blades, and an included angle between an outermost edge of a theoretical airflow column formed when the fan blades rotate and a rotation central axis a of the fan blades is defined as a wind diffusion angle R, wherein the R satisfies: r is more than 0 and less than or equal to 45 degrees.
8. A fan comprising a support assembly, wherein the fan further comprises a fan head assembly according to any of claims 6-7, the fan head assembly being rotatably mounted to the support assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178653.7A CN108361213B (en) | 2018-03-05 | 2018-03-05 | Driving assembly, fan head assembly and fan |
| PCT/CN2018/121803 WO2019169926A1 (en) | 2018-03-05 | 2018-12-18 | Driving assembly, fan head assembly, and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178653.7A CN108361213B (en) | 2018-03-05 | 2018-03-05 | Driving assembly, fan head assembly and fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361213A CN108361213A (en) | 2018-08-03 |
| CN108361213B true CN108361213B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810178653.7A Active CN108361213B (en) | 2018-03-05 | 2018-03-05 | Driving assembly, fan head assembly and fan |
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| CN (1) | CN108361213B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019169926A1 (en) * | 2018-03-05 | 2019-09-12 | 广东美的环境电器制造有限公司 | Driving assembly, fan head assembly, and fan |
| CN113404717B (en) * | 2021-07-15 | 2023-05-30 | 珠海格力电器股份有限公司 | Oscillating fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8251645B2 (en) * | 2009-07-02 | 2012-08-28 | Steven Yu | Fan with concealed oscillating mechanism |
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| JPH05332290A (en) * | 1992-05-28 | 1993-12-14 | Sanyo Electric Co Ltd | Electric fan |
| JP2014211116A (en) * | 2013-04-19 | 2014-11-13 | リズム時計工業株式会社 | Swing mechanism of electric fan |
| CN103821743A (en) * | 2014-03-11 | 2014-05-28 | 上海森中电器有限公司 | Omnibearing-rotated direct current electric fan |
| CN204253405U (en) * | 2014-11-29 | 2015-04-08 | 佛山市顺德区苇源电器有限公司 | A kind of oscillating fan |
| CN204419652U (en) * | 2015-01-16 | 2015-06-24 | 何向明 | Oscillating fan |
| CN204628038U (en) * | 2015-02-12 | 2015-09-09 | 广东美的环境电器制造有限公司 | Fan |
| CN107313958A (en) * | 2017-06-27 | 2017-11-03 | 广东美的环境电器制造有限公司 | Drive component and the fan that has for fan |
| CN208311105U (en) * | 2018-03-05 | 2019-01-01 | 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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|---|---|
| CN108361213A (en) | 2018-08-03 |
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