Desktop circulating fan

Abstract

The utility model provides a desktop circulating fan. The desktop circulating fan comprises a base, a U-shaped frame is fixedly installed at the top end of the base, a rotating frame is installed in the U-shaped frame, a fan frame is installed in the rotating frame, and a fan is installed in the fan frame. A first driving shaft is vertically installed in the center of the top of the base. The top end of the first driving shaft is fixedly connected with the center of the bottom end of the rotating frame. The center of the top end of the rotating frame is vertically and rotationally connected with a first fixing shaft, and the top end of the first fixing shaft is fixedly connected with the other end of the n-shaped frame. A second fixing shaft and a second driving shaft are horizontally and rotationally installed in the centers of the left side and the right side in the rotating frame correspondingly. The second driving shaft is connected with the first fixing shaft through a transmission assembly. According to the fan, the transmission assembly is used in cooperation with the first fixing shaft and the second driving shaft, when the first driving shaft drives the rotating frame and the fan frame left and right, the fan frame can be synchronously driven to conduct up-down driving, then the working range of the fan can be effectively widened, and large-angle circulating air blowing can be conducted on a table top.

Description

Technical Field

[0001] The utility model belongs to the technical field of fans, and more specifically, relates to a desktop circulation fan. Background Art

[0002] A desktop fan is an electrical appliance commonly used in people's daily lives. Its principle is to use a motor to drive the fan blades to rotate to make the air flow, thereby achieving the purpose of cooling.

[0003] Existing desktop fans can only be rotated left and right to adjust the airflow direction, but are difficult to rotate up and down to adjust the airflow direction, which has certain limitations in use. Therefore, in view of this, research and improvement are made to the existing structure and shortcomings, and a desktop circulation fan is provided to achieve the purpose of achieving greater practical value. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides a desktop circulation fan, which is achieved by the following specific technical means:

[0005] A desktop circulation fan comprises a base, wherein a ⌚-shaped frame is fixedly installed on the top of the base, a rotating frame is installed inside the ⌚-shaped frame, a fan frame is installed inside the rotating frame, and a fan is installed inside the fan frame; a driving shaft 1 is vertically installed at the top center of the base, and the top end of the driving shaft 1 passes through one end of the ⌚-shaped frame and is fixedly connected to the bottom center of the rotating frame; a fixed shaft 1 is vertically rotatably connected to the top center of the rotating frame, and the top end of the fixed shaft 1 is fixedly connected to the other end of the ⌚-shaped frame; a fixed shaft 2 and a driving shaft 2 are horizontally rotatably installed at the left and right centers of the interior of the rotating frame, respectively, and one end of the fixed shaft 2 and the driving shaft 2 are respectively fixedly connected to the left and right centers of the fan frame; the driving shaft 2 and the fixed shaft 1 are connected by a transmission assembly.

[0006] Furthermore, a motor is fixedly installed inside the base, and the output shaft of the motor is transmission-connected to the bottom end of the driving shaft.

[0007] Furthermore, the central axes of the fixed shaft 1 and the driving shaft 1 are on the same vertical axis; the central axes of the fixed shaft 2 and the driving shaft 2 are on the same horizontal axis.

[0008] Furthermore, the transmission assembly includes a transmission shaft 1 and a transmission shaft 2, and the transmission shaft 1 and the transmission shaft 2 are installed on adjacent sides of the rotating frame; the left and right ends of the transmission shaft 1 are respectively fixedly installed with bevel gear 1 and bevel gear 2, and the upper and lower ends of the transmission shaft 2 are respectively fixedly installed with bevel gear 3 and bevel gear 4, and the bevel gear 3 is engaged with bevel gear 2.

[0009] Furthermore, the transmission assembly also includes bevel gear five and bevel gear six, wherein bevel gear five is fixedly mounted on the outside of fixed shaft one and meshes with bevel gear one; bevel gear six is fixedly mounted on one end of drive shaft two and meshes with bevel gear four.

[0010] Furthermore, an opening is provided on one side of the front of the base, and a transparent panel is fixedly inlaid inside the opening. An electronic clock display is fixedly installed on the side of the base close to the transparent panel.

[0011] Furthermore, anti-slip rubber pads are fixedly installed on both ends of the bottom surface of the base.

[0012] Furthermore, a battery and a control mainboard are fixedly installed inside the base; a sound hole is provided on one side of the back of the base, and a speaker is fixedly installed on the side of the base close to the sound hole.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The utility model uses the transmission component in conjunction with the fixed shaft one and the driving shaft two, so that when the driving shaft one pair of rotating frame and fan frame drives the left and right, the fan frame can be driven up and down synchronously, thereby effectively improving the working range of the fan, and can perform large-angle circulating blowing on the desktop. At the same time, the overall structure is simple, the design is novel, and it has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the back structure of the utility model.

[0017] Figure 3 It is a partial cross-sectional schematic diagram of the utility model.

[0018] Figure 4 It is a schematic diagram of the partial structure of the utility model.

[0019] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0020] 1. Base; 2. Bracket; 3. Rotating frame; 4. Fan frame; 5. Fan; 6. Drive shaft 1; 7. Motor; 8. Fixed shaft 1; 9. Transmission shaft 1; 10. Transmission shaft 2; 11. Drive shaft 2; 12. Fixed shaft 2; 13. Transparent panel; 14. Electronic clock display; 15. Battery; 16. Sound hole. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances. Example

[0024] As attached Figure 1 To the attached Figure 4 As shown:

[0025] The utility model provides a desktop circulation fan, comprising a base 1, a shaped frame 2 is fixedly installed on the top of the base 1, a rotating frame 3 is installed inside the shaped frame 2, a fan frame 4 is installed inside the rotating frame 3, and a fan 5 is installed inside the fan frame 4; a driving shaft 6 is vertically installed at the top center of the base 1, the top end of the driving shaft 6 passes through one end of the shaped frame 2 and is fixedly connected to the bottom center of the rotating frame 3; the top center of the rotating frame 3 is vertically rotatably connected to a fixed shaft 8, and the top end of the fixed shaft 8 is fixedly connected to the other end of the shaped frame 2; a fixed shaft 2 12 and a driving shaft 2 11 are respectively rotatably installed at the left and right centers of the rotating frame 3, and one end of the fixed shaft 2 12 and the driving shaft 2 11 are respectively fixedly connected to the left and right centers of the fan frame 4; the driving shaft 2 11 and the fixed shaft 8 are connected by a transmission component.

[0026] Among them, a motor 7 is fixedly installed inside the base 1, and the output shaft of the motor 7 is transmission-connected to the bottom end of the drive shaft 1 6 so as to quickly drive the drive shaft 1 6 to rotate.

[0027] Among them, the central axes of the fixed shaft 8 and the driving shaft 6 are on the same vertical axis to ensure that the rotating frame 3 has higher stability when rotating left and right; the central axes of the fixed shaft 2 12 and the driving shaft 2 11 are on the same horizontal axis to ensure that the fan frame 4 has higher stability when rotating up and down.

[0028] Among them, the transmission assembly includes a transmission shaft 1 9 and a transmission shaft 2 10, and the transmission shaft 1 9 and the transmission shaft 2 10 are installed on adjacent sides of the rotating frame 3; the left and right ends of the transmission shaft 1 9 are respectively fixedly installed with bevel gear 1 and bevel gear 2, and the upper and lower ends of the transmission shaft 2 10 are respectively fixedly installed with bevel gear 3 and bevel gear 4, and the bevel gear 3 is engaged with the bevel gear 2 to realize the transmission connection between the transmission shaft 1 9 and the transmission shaft 2 10.

[0029] Among them, the transmission assembly also includes bevel gear five and bevel gear six. The bevel gear five is fixedly mounted on the outside of the fixed shaft one 8 and meshes with the bevel gear one; the bevel gear six is fixedly mounted on one end of the drive shaft two 11 and meshes with the bevel gear four to facilitate rapid driving of the drive shaft two 11.

[0030] An opening is provided on the front side of the base 1, and a transparent panel 13 is fixedly embedded inside the opening. An electronic clock display screen 14 is fixedly installed on the side of the base 1 close to the transparent panel 13 to improve the overall functionality when placed on a desktop.

[0031] Among them, anti-skid rubber pads are fixedly installed on both ends of the bottom surface of the base 1 to improve the stability of the entire device when placed.

[0032] Among them, a battery 15 and a control motherboard are fixedly installed inside the base 1; a sound hole 16 is provided on one side of the back of the base 1, and a speaker is fixedly installed on the side of the base 1 near the sound hole 16 so that audio can be played when in use to improve the overall functionality.

[0033] The working principle of this embodiment is as follows: during use, the motor 7 can be started to drive the drive shaft 1 6, which drives the rotating frame 3 to rotate left and right. When the rotating frame 3 rotates left and right, because the fixed shaft 1 8 and the bevel gear 5 on its outer side are fixed, the bevel gear 1 rotates around the bevel gear 5, so that the transmission shaft 1 9 and the transmission shaft 2 10 rotate synchronously, and finally drive the drive shaft 2 11 to rotate, thus achieving the vertical adjustment of the fan frame 4. Through the use of the transmission assembly in conjunction with the fixed shaft 1 8 and the drive shaft 2 11, the utility model can achieve that when the drive shaft 1 6 drives the rotating frame 3 and the fan frame 4 left and right, it can also drive the fan frame 4 up and down, thereby effectively increasing the operating range of the fan 5 and enabling large-angle circulating air blowing on the desktop.

[0034] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A desktop circulation fan, comprising a base (1), characterized in that: The top of the base (1) is fixedly mounted with a shaped frame (2), the interior of the shaped frame (2) is mounted with a rotating frame (3), the interior of the rotating frame (3) is mounted with a fan frame (4), and the interior of the fan frame (4) is mounted with a fan (5); a driving shaft (6) is vertically mounted at the top center of the base (1), the top end of the driving shaft (6) passes through one end of the shaped frame (2) and is fixedly connected to the bottom center of the rotating frame (3); the top center of the rotating frame (3) is vertically rotatably connected with a fixed shaft (8), the top end of the fixed shaft (8) is fixedly connected to the other end of the shaped frame (2); the interior of the rotating frame (3) is horizontally rotatably mounted with a fixed shaft (12) and a driving shaft (11), one end of each of the fixed shaft (12) and the driving shaft (11) is fixedly connected to the left and right centers of the fan frame (4), respectively; the driving shaft (11) and the fixed shaft (8) are connected via a transmission assembly.

2. The desktop circulation fan according to claim 1, characterized in that: A motor (7) is fixedly installed inside the base (1), and the output shaft of the motor (7) is transmission-connected to the bottom end of the first drive shaft (6).

3. The desktop circulation fan according to claim 1, characterized in that: The central axes of the fixed shaft 1 (8) and the driving shaft 1 (6) are on the same vertical axis; the central axes of the fixed shaft 2 (12) and the driving shaft 2 (11) are on the same horizontal axis.

4. The desktop circulation fan according to claim 1, characterized in that: The transmission assembly comprises a transmission shaft 1 (9) and a transmission shaft 2 (10), wherein the transmission shaft 1 (9) and the transmission shaft 2 (10) are mounted on adjacent sides of the rotating frame (3); bevel gear 1 and bevel gear 2 are fixedly mounted on the left and right ends of the transmission shaft 1 (9), and bevel gear 3 and bevel gear 4 are fixedly mounted on the upper and lower ends of the transmission shaft 2 (10), respectively, and the bevel gear 3 is meshed with the bevel gear 2.

5. The desktop circulation fan according to claim 4, characterized in that: The transmission assembly also includes bevel gear five and bevel gear six, wherein the bevel gear five is fixedly mounted on the outside of the fixed shaft one (8) and meshes with the bevel gear one; the bevel gear six is fixedly mounted on one end of the driving shaft two (11) and meshes with the bevel gear four.

6. The desktop circulation fan according to claim 1, characterized in that: An opening is provided on one side of the front of the base (1), and a transparent panel (13) is fixedly embedded in the opening. An electronic clock display screen (14) is fixedly installed on the side of the base (1) close to the transparent panel (13).

7. The desktop circulation fan according to claim 1, characterized in that: Anti-slip rubber pads are fixedly mounted on both ends of the bottom surface of the base (1).

8. The desktop circulation fan according to claim 1, characterized in that: A battery (15) and a control mainboard are fixedly mounted inside the base (1); a sound hole (16) is provided on one side of the back of the base (1); and a speaker is fixedly mounted on the side of the base (1) close to the sound hole (16).

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