Directionally adjustable oscillating fan

Abstract

To provide a direction-changeable oscillating fan that can change various angles while oscillating, forms a more three-dimensional air blowing effect, and improves user experience. [Solution] The oscillating fan includes a base 30, a seat 20, and a head assembly, the seat is rotatably mounted on the base, a first synchronous motor 21 is mounted on the seat, the head assembly rotates relative to the seat by the first synchronous motor, and a second synchronous motor 31 is further mounted on the oscillating fan, the seat rotates relative to the base by the second synchronous motor. The present invention provides two synchronous motors that rotate the seat and the head assembly, respectively.

Description

[Technical field]

[0001] The present application relates to the technical field of oscillating fans, and in particular to steerable oscillating fans. [Background technology]

[0002] In order to realize three-dimensional oscillation in a conventional electric fan, multiple mechanisms need to be operated together, resulting in a complex structure, limited airflow angle, and high cost required to realize the function. A utility model with publication number CN220929729U discloses an oscillation mechanism for an electric fan, including a fan housing, an oscillation motor, a fan motor, blades, and an internal support bracket. The electric fan housing includes a base and an upper cover, the bottom of the internal support bracket is rotatably connected to the base, a first connecting gear is provided on the side of the bottom of the internal support bracket, the oscillation motor is provided inside the base, and the output shaft of the oscillation motor extends from the top of the base and is connected to the second connecting gear, and the first connecting gear and the second connecting gear are meshed with each other, so that the oscillation motor can rotate the internal support bracket. The upper cover is fixedly connected to the upper part of the inner support bracket, the fan motor is connected to the inside of the inner support bracket, and the output shaft of the fan motor passes through the inner support bracket and the upper cover and is connected to the blades on the outside of the upper cover. The structure in this invention can only achieve left and right horizontal swing, but cannot achieve the effect of three-dimensional swing.

[0003] Therefore, there is a need in the prior art for an oscillating fan that provides a more three-dimensional airflow effect and is more comfortable to use. Summary of the Invention [Problem to be solved by the invention]

[0004] The present application aims to design a direction-changing oscillating fan that can realize direction change as well as oscillation, and this structure effectively improves the drawback of the limited airflow angle of the circulator. The present application provides more practicality to users through the left and right oscillation mechanism, and not only can the airflow direction be adjusted at multiple angles, but also can meet various needs by separately controlling the combination of two oscillating synchronous motors. [Means for solving the problem]

[0005] The present application relates to a direction-changeable oscillating fan comprising a base, a seat and a head assembly, the base being rotatably mounted on the base, a first synchronous motor being mounted on the base, the head assembly being rotated relative to the base by the first synchronous motor, the oscillating fan further comprising a second synchronous motor, and the base being rotated relative to the base by the second synchronous motor.

[0006] A driving gear may be connected to an output shaft of the first synchronous motor, a driven gear may be connected to the driving gear, a head frame may be connected to the driven gear, and a head assembly may be connected to the head frame, the driving gear and the driven gear may be inclined at an angle of 20 to 40 degrees, a base cover may be provided on the base, a bearing may be provided between the driven gear and the base cover, a limiting assembly may be provided between the base and the head assembly, a limiting member may be provided on the base, a stopper for blocking the limiting member may be provided on the driven gear, and an axle block may be provided between the base and the base. a second synchronous motor fixed to the synchronous motor fixing plate, an output shaft of the second synchronous motor connected to an eccentric member, the eccentric member connected to the axial bushing via a link, a support ring may be further provided between the base and the base, and the head assembly may include a motor bracket, the motor bracket is provided on the head frame, and a drive motor for rotating the blade is provided on the motor bracket. Effect of the Invention

[0007] The present application is directed to a design of two synchronous motors that rotate the base and the head assembly, respectively, so that the fan can change angles during oscillation, forming a more three-dimensional airflow effect and improving the user experience. ... [Brief description of the drawings]

[0008] [Figure 1] FIG. 1 is an exploded view of the oscillating fan of the present application. [Diagram 2] FIG. 2 is a cross-sectional view of the oscillating fan of the present application. [Diagram 3] FIG. 3 is a bottom view of the base portion of the oscillating fan of the present application. [Figure 4] FIG. 4 is a schematic diagram showing the connection of a first synchronous motor of the oscillating fan of the present application. [Diagram 5] FIG. 5 is a schematic diagram of the base portion of the oscillating fan of the present application. [Figure 6] FIG. 6 is a schematic diagram of the bottom of the gear group of the present application. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] In order to make the objectives, technical solutions and advantages of the present application more clearly comprehensible, the present application will now be described in detail with reference to the accompanying drawings, in which the embodiments and features of the embodiments of the present application can be arbitrarily combined with each other unless inconsistent.

[0010] The direction-changeable oscillating fan according to the present application includes a base 30, a seat 20, and a head assembly, the seat 20 is mounted on the base 30, the head assembly is rotatable relative to the seat 20, and a limiting assembly is provided between the seat 20 and the head assembly, so that automatic direction change can be realized when both rotate to a predetermined angle. Specifically, a first synchronous motor 21 is mounted on the seat 20, and an output shaft of the first synchronous motor 21 is connected to a driving gear 22, and the driving gear 22 and the driven gear 23 mesh with each other. A seat cover 24 is mounted on the seat 20, and the driving gear 22 and the driven gear 23 may be mounted in the seat cover 24, and the driving gear 22 drives the driven gear 23 to operate in the seat cover 24. A control board 26 and a control panel 25 are further mounted on the seat 20, and the control board 26 is connected to the first synchronous motor 21. A user can operate the control panel 25 to send a control signal to the control board 26 to control the fan. Preferably, the rotation axis of the driven gear of the present application is designed to form an angle of 20 to 40 degrees with respect to the horizontal plane, so that the contact surface between the head assembly and the base forms an angle of 20 to 40 degrees, preferably 30 degrees, with the horizontal plane, thereby allowing the head assembly of the present application to rotate within an inclined plane, creating a more three-dimensional air blowing effect and improving the user experience.

[0011] The head frame 13 is connected to the driven gear 23, the driven gear 23 is fixed to the head frame 13 with a screw, the head frame 13 moves together with the driven gear 23, the head assembly is fixed to the head frame 13, and the driven gear 23 rotates the head assembly around the center of the driven gear. A bearing 27 is provided between the driven gear 23 and the base cover 24, the outer ring of the bearing 27 is connected to the base cover 24, and the inner ring is fitted to the driven gear 23. The driven gear 23 rotates around the center of the bearing 27. The limiting assembly may include a limiting member 29 provided on the base 20 and a stopper 230 provided on the driven gear 23, or may adopt other forms. When the driven gear 23 rotates to a predetermined angle, the stopper 230 of the driven gear 23 hits the limiting member 29 of the base 20, and as a result, the driving gear 22 and the synchronous motor shaft are subjected to a force, and when the synchronous motor shaft is subjected to a force, it moves in the opposite direction, and by repeating this reciprocating motion, continuous direction changes and oscillation are realized.

[0012] More preferably, the pedestal 20 may be provided rotatably relative to the base 30. Specifically, as shown in FIG. 1, an axial bush 35 may be provided between the pedestal 20 and the base 30, thereby allowing the pedestal 20 to rotate relative to the base 30 via the axial bush 35. A synchronous motor fixing plate 36 is fixedly connected to the pedestal 20, and the axial bush 35 is fixedly provided to the synchronous motor fixing plate 36. A second synchronous motor 31 is further fixedly provided to the synchronous motor fixing plate 36, and an output shaft of the second synchronous motor 31 is connected to an eccentric member 32, and the eccentric member 32 is connected to the axial bush 35 via a crank link 33. In the present application, the eccentric member 32 is rotationally driven by the second synchronous motor 31, and the crank link is rotated together with the axial bush 35 relative to the base 30. Preferably, a support ring 34 may be further provided between the pedestal 20 and the base 30, and the support ring 34 is preferably made of POM. A ball is fixed to the base 20, and a slide groove is formed in the support ring 34, and the ball is movable within the slide groove.

[0013] 1, the head assembly includes a motor bracket 12, which is fixed to a head frame 13, and a drive motor 10 that rotates and drives the blades is fixed to the motor bracket 12 via a lock nut 11. A blade assembly (not shown) is connected to the output shaft of the motor 10, and a cap 14 is provided at the front end of the blade assembly. The installation form of the motor and blade assembly of the present application can adopt conventional technology, and detailed description thereof will be omitted.

[0014] The present application designs two synchronous motors to rotate the base 20 and the head assembly respectively, allowing the fan to change angles during swing, creating a more three-dimensional blowing effect and improving the user experience.

[0015] The embodiments disclosed in this application are as above, but the above contents are merely embodiments for easy understanding of this application and do not limit the application. Those skilled in the art may make any modifications or changes to the form and details of the implementation without departing from the spirit and scope disclosed in this application, and the scope of protection of this application shall be subject to the scope defined in the attached utility model registration claims. [Explanation of symbols]

[0016] 13 Head Frame 20 Pedestal 21 First synchronous motor 22 Drive gear 23 Driven gear 24 Pedestal cover 25 Control Panel 26 Control Panel 29 Restrictive Members 30 Foundations 36 Synchronous motor fixing plate 230 Stopper

Claims

1. A direction-changing oscillating fan comprising a base, a seat, and a head assembly, the base being rotatably mounted on the base, a first synchronous motor being mounted on the base, the head assembly being rotated relative to the base by the first synchronous motor, and a second synchronous motor being further mounted on the oscillating fan, the base being rotated relative to the base by the second synchronous motor.

2. The oscillating fan of claim 1, wherein a driving gear is connected to an output shaft of the first synchronous motor, a driven gear is connected to the driving gear, a head frame is connected to the driven gear, and a head assembly is connected to the head frame.

3. The oscillating fan according to claim 2, wherein the driving gear and the driven gear are inclined at an angle of 20 to 40 degrees.

4. The oscillating fan according to any one of claims 2 to 3, characterized in that a base cover is provided on the base, and a bearing is provided between the driven gear and the base cover.

5. The oscillating fan according to claim 2 , further comprising a limiting assembly provided between the base and the head assembly.

6. The oscillating fan according to claim 5, wherein a restricting member is provided on the base, and a stopper is provided on the driven gear for blocking the restricting member.

7. The oscillating fan according to any one of claims 1 to 3 and 5 to 6, characterized in that an axial bush is provided between the pedestal and the base, and the pedestal rotates relative to the base by the axial bush.

8. The oscillating fan of claim 7, wherein a synchronous motor fixing plate is fixedly connected to the base, the second synchronous motor is fixed to the synchronous motor fixing plate, an output shaft of the second synchronous motor is connected to an eccentric member, and the eccentric member is connected to the shaft bush via a link.

9. The oscillating fan according to claim 7, further comprising a support ring provided between the seat and the base.

Images