Swing fan
By combining the drive device and the transmission mechanism, the reciprocating oscillation of the small fan blades is realized, which solves the problem of the lack of oscillation in existing small fans and improves the cooling effect.
Patent Information
- Application Number
- CN202520759564.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-21
AI Technical Summary
Most existing small fans use rotating blades, and there is a lack of oscillating fans.
The drive device converts rotation into the reciprocating oscillation of the fan blades through a transmission mechanism. This includes the cooperation of components such as a fixed drive device, transmission mechanism, gearbox, eccentric block, and guide rod to achieve the reciprocating oscillation of the fan blades.
It achieves better cooling and heat relief effects, filling a gap in existing technology.
Smart Images

Figure CN223952930U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to small fan technical field, concretely relates to a swing fan. BACKGROUND
[0002] In daily life, small electric fans are often used to produce wind force to dispel the summer heat, and most of the existing conventional small fans adopt the mode of rotating fan blades, and lack a swing fan.
[0003] In view of this, the utility model is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a swing fan to solve the technical problems in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a swing fan, which comprises:
[0006] The fixed driving device is connected to the input end of the transmission mechanism through the output end, and the output end of the transmission mechanism is connected to the fan blade.
[0007] The transmission mechanism converts the rotation of the driving device into the reciprocating swing of the fan blade.
[0008] In an optional embodiment, the driving device is fixedly installed on the rack, the output end of the driving device is connected to the gear box of the transmission mechanism, and the transmission shaft of the gear box is fixedly connected to the rotating disc of the transmission mechanism.
[0009] In an optional embodiment, the rotating disc is provided with an eccentric block, the eccentric block is provided with a through hole, and the through hole is slidably connected to the guide rod of the transmission mechanism.
[0010] In an optional embodiment, the end of the guide rod is fixedly connected to the swing shaft of the transmission mechanism, and the swing shaft is fixedly connected to the swing piece.
[0011] In an optional embodiment, the swing shaft is fixedly connected to the inner ring of the bearing, and the outer ring of the bearing is fixedly installed on the shell.
[0012] In an optional embodiment, the rack and the shell are fixedly installed on the base, and the shell covers the rack.
[0013] In an optional embodiment, the fan blade comprises a first fan blade and a second fan blade arranged in cross, and the first fan blade and the second fan blade are inserted into the swing piece.
[0014] The swing fan can convert the rotation of the driving device into the reciprocating swing of the fan blade, has good cooling effect, and fills the technical gap. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0016] Figure 1 The overall structure schematic diagram of the swing fan provided by an embodiment of the present application is shown in the figure.
[0017] Figure 2 The partial structure schematic diagram of the swing fan provided by an embodiment of the present application is shown in the figure. Figure One .
[0018] Figure 3 The partial structure schematic diagram of the swing fan provided by an embodiment of the present application is shown in the figure. Figure Two .
[0019] Figure 4 The partial structure schematic diagram of the swing fan provided by an embodiment of the present application is shown in the figure. Figure Three .
[0020] In the figure, the reference signs are as follows: 1 - base; 2 - shell; 3 - fan blade, 31 - first fan blade, 32 - second fan blade; 4 - swing member; 5 - rack, 6 - driving device; 7 - gear box; 8 - transmission shaft; 9 - rotating disc; 10 - eccentric block, 101 - through hole; 11 - swing shaft; 12 - guide rod. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.
[0022] It should be noted that when a component is referred to as being "fixed" or "set" on another component, it can be directly or indirectly on the other component. When a component is referred to as being "connected" to another component, it can be directly or indirectly connected to the other component. The terms "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or position shown in the drawings, and are only for the convenience of description, and cannot be understood as a limitation on the technical solutions. The terms "first", "second" are only for the convenience of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "multiple" is two or more, and the meaning of "several" is any number including one, unless otherwise explicitly specified.
[0023] Please refer to the accompanying Figures 1-4 The purpose of the embodiment is to provide a swing fan, which comprises a fixed driving device 6, the output end of the driving device 6 is connected to the input end of a transmission mechanism, and the output end of the transmission mechanism is connected to a fan blade 3; the transmission mechanism converts the rotation of the driving device 6 into reciprocating swing of the fan blade 3.
[0024] Specifically, the driving device 6 is fixedly installed on a rack 5, the output end of the driving device 6 is connected to a gear box 7 of the transmission mechanism, and a transmission shaft 8 of the gear box 7 is fixedly connected to a rotating disc 9 of the transmission mechanism. In an optional embodiment, a pair of bevel gears can be arranged in the gear box 7 to change the rotation direction of the output of the driving device 6. The driving device 6 is preferably a motor, the output shaft of the motor is fixedly connected to one bevel gear, and the other bevel gear is fixedly connected to the transmission shaft 8.
[0025] Further, an eccentric block 10 is arranged on the rotating disc 9, the eccentric block 10 is provided with a through hole 101, and the through hole 101 is slidably connected to a guide rod 12 of the transmission mechanism. The end of the guide rod 12 is fixedly connected to a swing shaft 11 of the transmission mechanism, and the swing shaft 11 is fixedly connected to a swing piece 4. The swing shaft 11 is fixedly connected to the inner ring of a bearing, and the outer ring of the bearing is fixedly installed on a shell 2. When the driving device 6 operates to drive the rotating disc 9 to rotate, the guide rod 12 slides in the through hole 101 of the eccentric block 10 and moves with the eccentric block 10, so as to realize the reciprocating swing of itself, and further drive the swing piece 4 and the fan blade 3 to reciprocate. It should be noted that the fan blade 3 comprises a first fan blade 31 and a second fan blade 32 arranged in cross, and the first fan blade 31 and the second fan blade 32 are inserted into the swing piece 4.
[0026] In addition, the rack 5 and the shell 2 are fixedly installed on a base 1, and the shell 2 covers the rack 5. When the swing fan operates, the rotation of the driving device 6 can be converted into the reciprocating swing of the fan blade 3, the cooling effect is good, and the technical gap is filled.
[0027] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A swing fan, characterized by, Include: Fixed drive device (6), the output end of the drive device (6) is connected to the input end of the transmission mechanism, the output end of the transmission mechanism is connected to the fan blade (3); The transmission mechanism converts the rotation of the drive device (6) into the reciprocating swing of the fan blade (3).
2. The swing fan of claim 1, wherein, The drive device (6) is fixedly installed on the rack (5), the output end of the drive device (6) is connected with the gear box (7) of the transmission mechanism, the transmission shaft (8) of the gear box (7) is fixedly connected with the rotating disc (9) of the transmission mechanism.
3. The swing fan of claim 2, wherein, The eccentric block (10) is arranged on the rotating disc (9), the through hole (101) is arranged on the eccentric block (10), and the through hole (101) is slidably connected with the guide rod (12) of the transmission mechanism.
4. The swing fan of claim 3, wherein, The end of the guide rod (12) is fixedly connected with the swing shaft (11) of the transmission mechanism, and the swing shaft (11) is fixedly connected with the swing piece (4).
5. The swing fan of claim 4, wherein, The swing shaft (11) is fixedly connected with the inner ring of the bearing, and the outer ring of the bearing is fixedly installed on the shell (2).
6. The swing fan of claim 5, wherein, The rack (5) and the shell (2) are fixedly installed on the base (1), and the shell (2) covers the rack (5).
7. The swing fan of claim 4 wherein, The fan blade (3) comprises first and second fan blades (31) and (32) arranged in cross, and the first and second fan blades (31) and (32) are inserted into the swing piece (4).