Bladeless fan with head shaking function
By introducing a shaking head assembly, including the driving gear and the ring gear, the 360° sweep is achieved by using the shaking head motor drive to achieve a 360° sweep, the problem of the rotational dead angle of the existing bladeless fan shaking head assembly is solved and the range of sweep is expanded.
Patent Information
- Application Number
- CN202423137726.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The existing bladeless fan shaking head assembly cannot achieve 360° rotation, resulting in limited sweep range.
The shaking head assembly is adopted, including an intermeshing driving driving gear and annular gear. The shaking head motor drives the driving gear to drive the ring gear and the air inlet cavity to rotate 360° together. The housing, air guide cavity and wind wheel assembly also rotate to achieve 360° wind sweep.
The air outlet of the bladeless fan can sweep the air at 360°, expanding the fan's sweep range.
Smart Images

Figure CN223152337U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fans, and particularly relates to a bladeless fan with a head-shaking function. Background Art
[0002] The bladeless fan passes the air from outside the fan through the impeller assembly to generate a high-speed air flow and blows it out from the air outlet. In order to adjust the air outlet direction of the bladeless fan, a head-shaking assembly is arranged in the bladeless fan, and the head-shaking assembly drives the impeller assembly and the air outlet to rotate. The existing head-shaking assemblies of bladeless fans usually have rotation dead angles and cannot achieve 360° rotation. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide a bladeless fan with a head-shaking function, in which the head-shaking assembly can rotate 360 degrees to achieve a sweeping range within 360°.
[0004] The utility model is realized as follows: A bladeless fan with a head-shaking function is provided, which includes a support frame, a housing, a wind guiding cavity, an impeller assembly and an air inlet cavity. A through hole is arranged on the support frame. An air inlet and a wind guiding port are respectively arranged at both ends of the air inlet cavity. One end where the air inlet is located is inside the through hole and is limited at the through hole by a locking member. The impeller assembly is arranged in the air inlet cavity. The wind guiding cavity is arranged in the housing, one end of which is communicated with the wind guiding port, and the other end is communicated with an air outlet arranged on the housing. The housing is fixedly connected with the air inlet cavity. A head-shaking assembly is arranged between the support frame and the air inlet cavity; the head-shaking assembly includes a driving gear and an annular gear that mesh with each other, and a head-shaking motor. The head-shaking motor is fixed on the support frame. The driving gear is installed on the output shaft of the head-shaking motor. The annular gear is installed on the outer peripheral edge of the air inlet cavity. The head-shaking motor drives the annular gear and the air inlet cavity to rotate simultaneously through the driving gear. The housing, the wind guiding cavity and the impeller assembly connected to the air inlet cavity also rotate 360° together.
[0005] Further, the annular gear is fixed on the air inlet cavity through a gear screw.
[0006] Further, the head-shaking assembly further includes a bearing, and the bearing is arranged between the support frame and the air inlet cavity.
[0007] Further, an external thread is arranged on the air inlet cavity, and an internal thread matching the external thread is arranged on the locking member, and the locking member is screwed together with the external thread.
[0008] Further, a wind cover is arranged outside the air inlet, and the wind cover is connected to the support frame through a magnetic attraction assembly.
[0009] Further, the magnetic attraction assembly includes a magnet and an iron block. The magnet is arranged on the support frame, and the iron block is arranged on the wind cover.
[0010] Furthermore, the directions of the air outlet and the air inlet are not on the same axis.
[0011] Furthermore, a gasket is provided at the connection between the air guide cavity and the air inlet cavity.
[0012] Furthermore, the end of the support frame is connected to the humidifier, and the air inlet is close to and coaxial with the moisture outlet of the humidifier.
[0013] Compared with the prior art, the bladeless fan with a shaking function of the present utility model includes a support frame, a housing, an air guide cavity, a wind wheel assembly, and an air inlet cavity. The wind wheel assembly is arranged in the air inlet cavity, the air guide cavity is arranged in the housing, the housing is fixedly connected to the air inlet cavity, and a shaking assembly is arranged between the support frame and the air inlet cavity; the shaking assembly includes a driving gear and an annular gear that mesh with each other, and a shaking motor. The shaking motor is fixed on the support frame, the driving gear is installed on the output shaft of the shaking motor, the annular gear is installed on the outer peripheral edge of the air inlet cavity, and the shaking motor drives the annular gear, the air inlet cavity, and the housing, the air guide cavity, and the wind wheel assembly connected to the air inlet cavity to rotate 360° together through the driving gear. The present utility model is provided with a shaking assembly to achieve a sweeping range within 360°. Description of the Drawings
[0014] Figure 1 Is a three-dimensional schematic diagram of a preferred embodiment of the bladeless fan with a shaking function of the present utility model;
[0015] Figure 2 Is Figure 1 A partial cross-sectional view of;
[0016] Figure 3 Is Figure 2 An enlarged schematic view of part A in;
[0017] Figure 4 Is a three-dimensional schematic diagram of the assembled state of the support frame, the housing, and the humidifier.
[0018] The respective labels in the figure are:
[0019] 1. Support frame; 2. Housing; 21. Air outlet; 3. Air guide cavity; 4. Wind wheel assembly; 5. Air inlet cavity; 51. Air inlet; 52. Air guide port; 6. Locking member; 7. Shaking assembly; 71. Driving gear; 72. Annular gear; 73. Shaking motor; 74. Gear screw; 75. Bearing; 8. Wind cover; 9. Magnetic attraction assembly; 91. Magnet; 92. Iron block; 10. Gasket; 11. Humidifier; 111. Moisture outlet. Detailed Embodiment
[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0021] Please refer to Figure 1 , Figure 2 and Figure 3 As shown, a preferred embodiment of the bladeless fan with a shaking head function of the present utility model includes a support frame 1, a housing 2, a wind guiding cavity 3, a wind wheel assembly 4 and an air inlet cavity 5.
[0022] A through hole is provided on the support frame 1. An air inlet 51 and an air guiding opening 52 are respectively provided at both ends of the air inlet cavity 5. One end where the air inlet 51 is located is inside the through hole and is limited at the through hole by a locking member 6. The wind wheel assembly 4 is arranged inside the air inlet cavity 5. The wind guiding cavity 3 is arranged inside the housing 2, one end of which is communicated with the air guiding opening 52, and the other end of which is communicated with an air outlet 21 provided on the housing 2. The air outside the fan enters the air inlet cavity 5 from the air inlet 51, is driven by the wind wheel assembly 4 and then enters the wind guiding cavity 3 from the air guiding opening 52, and finally is discharged from the air outlet 21 of the housing 2.
[0023] The housing 2 is fixedly connected to the air inlet cavity 5. A shaking head assembly 7 is arranged between the support frame 1 and the air inlet cavity 5. The shaking head assembly 7 includes a driving gear 71 and an annular gear 72 that mesh with each other, and a shaking head motor 73. The shaking head motor 73 is fixed on the support frame 1, the driving gear 71 is installed on the output shaft of the shaking head motor 73, and the annular gear 72 is installed on the outer peripheral edge of the air inlet cavity 5. The shaking head motor 73 drives the annular gear 72 and the air inlet cavity 5 to rotate simultaneously through the driving gear 71, and the housing 2, the wind guiding cavity 3 and the wind wheel assembly 4 connected to the air inlet cavity 5 also rotate 360° together.
[0024] The present utility model drives the housing 2, the wind guiding cavity 3 and the wind wheel assembly 4 to rotate 360° together through the shaking head assembly 7, so that the air outlet 21 of the housing 2 realizes 360° sweeping of the wind.
[0025] The annular gear 72 is fixed on the air inlet cavity 5 by a gear screw 74.
[0026] The shaking head assembly 7 further includes a bearing 75, and the bearing 75 is arranged between the support frame 1 and the air inlet cavity 5. The support frame 1 and the air inlet cavity 5 rotate 360° relative to each other through the bearing 75. The setting of the bearing 75 makes the rotation of the air inlet cavity 5 stable.
[0027] An external thread is provided on the air inlet cavity 5, and an internal thread that mates with the external thread is provided on the locking member 6. The locking member 6 is screwed together with the external thread. The locking member 6 limits one end of the air inlet cavity 5 at the through hole of the support frame 1.
[0028] A wind hood 8 is provided outside the air inlet 51. The wind hood 8 is connected to the support frame 1 through a magnetic attraction assembly 9. A plurality of small holes for ventilation are provided on the wind hood 8.
[0029] The magnetic attraction assembly 9 includes a magnet 91 and an iron block 92. The magnet 91 is provided on the support frame 1, and the iron block 92 is provided on the wind hood 8.
[0030] The direction of the air outlet 21 and the air inlet 51 is not on the same axis, but perpendicular to each other. The air inlet direction and the air outlet direction of the bladeless fan of the present invention are not in the same direction, and the air inlet direction and the air outlet direction are perpendicular to each other at 90°.
[0031] A gasket 10 is provided at the connection between the air guide cavity 3 and the air inlet cavity 5. The gasket 10 is provided to reduce air leakage at the connection between the air guide cavity 3 and the air inlet cavity 5.
[0032] Please also refer to Figure 3 and Figure 4 As shown, the end of the support frame 1 is connected to the humidifier 11. The air inlet 51 and the humidifying outlet 111 of the humidifier 11 are close to each other and coaxial. The humidified air generated by the humidifier 11 is inhaled from the air inlet 51, discharged from the air outlet 21 after accelerating, and the humidified air is diffused 360°, increasing the diffusion range of the humidified air of the humidifier 11.
[0033] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
Claims
1. A bladeless fan with a head-shaking function, characterized in that, It includes a support frame, a housing, a wind guide cavity, a wind wheel assembly and an air inlet cavity. A through hole is provided on the support frame. An air inlet and a wind guide opening are respectively provided at both ends of the air inlet cavity. One end where the air inlet is located is within the through hole and is limited at the through hole by a locking member. The wind wheel assembly is arranged in the air inlet cavity. The wind guide cavity is arranged in the housing, one end of which is communicated with the wind guide opening, and the other end is communicated with an air outlet provided on the housing. The housing is fixedly connected to the air inlet cavity. A swing assembly is arranged between the support frame and the air inlet cavity; The swing assembly includes a driving gear and an annular gear that mesh with each other, and a swing motor. The swing motor is fixed on the support frame. The driving gear is installed on the output shaft of the swing motor. The annular gear is installed on the outer peripheral edge of the air inlet cavity. The swing motor drives the annular gear and the air inlet cavity to rotate simultaneously through the driving gear. The housing, the wind guide cavity and the wind wheel assembly connected to the air inlet cavity also rotate 360° together.
2. The bladeless fan with a head-shaking function according to claim 1, wherein, The annular gear is fixed on the air inlet cavity by a gear screw.
3. The bladeless fan with a head-shaking function according to claim 1, wherein, The swing assembly further includes a bearing, and the bearing is arranged between the support frame and the air inlet cavity.
4. The bladeless fan with a head-shaking function according to claim 1, wherein External threads are provided on the air inlet cavity, and internal threads matching the external threads are provided on the locking member. The locking member is screwed together with the external threads.
5. The bladeless fan with a head-shaking function according to claim 1, characterized in that, A wind hood is arranged outside the air inlet, and the wind hood is connected to the support frame through a magnetic attraction assembly.
6. The bladeless fan with a head-shaking function according to claim 5, characterized in that, The magnetic attraction assembly includes a magnet and an iron block. The magnet is arranged on the support frame, and the iron block is arranged on the wind hood.
7. The bladeless fan with a head-shaking function according to claim 1, characterized in that, The directions of the air outlet and the air inlet are not on the same axis.
8. The bladeless fan with a head-shaking function according to claim 1, wherein, A gasket is arranged at the connection between the wind guide cavity and the air inlet cavity.
9. The bladeless fan with a head-shaking function according to claim 1, wherein The end of the support frame is connected to a humidifier, and the air inlet and the wet outlet of the humidifier are close to each other and coaxial.