CN204458445U - an oscillating fan - Google Patents

Abstract

The utility model discloses a fan of shaking head, including protecgulum, back lid and be located the fan motor between protecgulum and the back lid, the pivot of fan motor is passed the protecgulum and is stretched out the protecgulum outside, be equipped with between fan motor and the back lid and drive fan motor circumference wobbling drive arrangement, be equipped with rotatory swing mechanism between fan motor and the protecgulum, rotatory swing mechanism includes rotatory solid fixed ring, rotatory swing ring and connecting rod, and wherein rotatory solid fixed ring is fixed on the protecgulum, and rotatory solid fixed ring is equipped with the supporting seat, and rotatory swing ring articulates on rotatory solid fixed ring's supporting seat, and the one end of connecting rod is connected with the front end of fan motor, and the other end and the rotatory swing ring of connecting rod are articulated, and the articulated position of connecting rod and rotatory swing ring and the articulated position of supporting seat and rotatory swing ring are located the not equidirectional both sides of rotatory. The utility model discloses utilize the connecting rod to articulate with rotatory swing ring, the supporting seat is articulated with rotatory swing ring, can realize through these two sets of articulated interactions that 360 swing operation is done to the relative protecgulum of fan motor front end.

Description

an oscillating fan

technical field

The utility model relates to a fan, in particular to an oscillating fan capable of 360° circular swing and air supply.

Background technique

Existing oscillating fans have two types of oscillating head left and right, and oscillating head up and down. These two oscillating fans can only supply air in the same direction in both directions, which cannot satisfy people's needs. Subsequently, an oscillating fan that can swing in a 360° circle for air supply appeared. This kind of fan is provided with a motor or a gear mechanism at the rear end of the fan motor, and a positioning ball is arranged at the front end of the fan motor to cooperate with the through slot of the front cover. The through groove of the fan motor supports the positioning ball. When working, the rear end of the fan motor makes a circular motion around a certain center of the rear cover, and the positioning ball at the front end of the fan motor swings in a circle supported by the through groove of the front cover, thereby realizing the fan. The fan blade is 360°circular swing to supply air. Although this kind of oscillating fan can realize 360°circumferential air supply, due to the constant friction between the positioning ball and the side wall of the through groove of the back cover when rotating, it is easy to cause the positioning ball to wear and reduce the service life.

Contents of the invention

The utility model aims at the deficiencies of the prior art, and provides an oscillating fan with long service life and capable of 360° circular swing.

The utility model is realized through the following technical solutions: an oscillating fan, comprising a front cover, a rear cover and a fan motor located between the front cover and the rear cover, the front cover is connected to the rear cover, and the rotating shaft of the fan motor passes through the middle part of the front cover The through hole protrudes from the outside of the front cover. A driving device capable of driving the fan motor to swing in a circle is provided between the fan motor and the rear cover. A rotary swing mechanism is provided between the fan motor and the front cover. The rotary swing mechanism includes a rotating fixed Ring, rotating swing ring and connecting rod, wherein the rotating fixed ring is fixed on the front cover, the rotating fixed ring is provided with a support seat, the rotating swing ring is hinged on the support seat of the rotating fixed ring, and one end of the connecting rod is connected to the front end of the fan motor , the other end of the connecting rod is hinged to the rotating swing ring, and the hinged positions of the connecting rod and the rotating swing ring and the hinged positions of the support base and the rotating swing ring are respectively located in different directions of the rotating swing ring.

In the above solution, the connecting rod is hinged to the rotating swing ring, and the support seat is hinged to the rotating swing ring. Through the interaction of these two sets of hinges, the front end of the fan motor can swing 360° relative to the front cover.

In order to improve the reliability of the rotating and oscillating mechanism, the above-mentioned supporting bases are respectively located on opposite sides of the rotating fixed ring, and the opposite two sides of the rotating and oscillating ring are respectively hinged on the supporting seats on both sides of the rotating and fixing ring, Both sides are provided with a connecting rod, one end of the connecting rod is connected with the front end of the fan motor, and the other end of the connecting rod is hinged with the rotating swing ring.

Further, the above-mentioned driving device includes a driving motor arranged on the rear end surface of the fan motor, a central shaft located in the middle of the rear cover, and a linkage rod for connecting the rotating shaft of the driving motor and the central shaft of the rear cover, and the linkage rod can rotate around the center Axis rotation. An independent drive motor is used to drive the fan to shake the head, and whether the fan shakes the head can be selectively controlled.

Further, a mesh cover is arranged on the outer periphery of the fan blades on the shaft of the fan motor, and the mesh cover is fixed on the front cover. The net cover can isolate the fan blades to avoid safety accidents without affecting the airflow.

The above-mentioned fan motor adopts DC drive, which is more energy-saving than AC drive.

The utility model realizes the two-way swing of the fan motor on the left and right through the hinge connection of the connecting rod and the rotating swing ring. Realize swinging in any direction on the circumference. When working, the rotating shaft of the driving motor drives the linkage rod to rotate. Since the other end of the linkage rod can only rotate around the central axis of the rear cover, under the drive of the drive motor, the fan motor The rear end can only perform a 360° circular motion with the central axis as the center and the linkage rod as the radius, while the front end of the fan motor can also perform a 360° circular motion under the action of the rotary swing mechanism, and the fan blades also follow it to do 360° ° Swaying operation, so that the wind is transmitted to the entire circumference of the environment, to achieve a 360 ° all-round cooling effect.

Description of drawings

FIG. 1 is a schematic diagram of the appearance of an oscillating fan according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the oscillating fan according to the embodiment of the present invention.

Fig. 3 is a schematic diagram of the internal structure of the oscillating fan according to the embodiment of the present invention after the net cover is removed.

Fig. 4 is a front view of the main components of the oscillating fan according to the embodiment of the present invention.

Fig. 5 is a right side view of the main components of the oscillating fan according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of the rotating and oscillating ring of the oscillating fan according to the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of the rotating fixing ring of the oscillating fan according to the embodiment of the present invention.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings, but the embodiments of the utility model are not limited thereto. In the description of the present utility model, it should be understood that if the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal" etc. are based on the attached The orientation or positional relationship shown in the figure is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so the The terms describing the positional relationship are used for illustrative purposes only, and should not be construed as limitations on this patent.

Example 1

The structure of the oscillating fan of this embodiment is shown in FIGS. A cavity is formed between the front cover 1 and the rear cover 2, and the fan motor 3 is located in the cavity between the front cover 1 and the rear cover 2. A through hole is opened in the middle of the front cover 1, and the rotating shaft of the fan motor 3 passes through the through hole of the front cover 1. Hole stretches out front cover 1 outside, and fan blade 6 is installed on the end that the rotating shaft of fan motor 3 stretches out front cover 1 outside, and the periphery of fan blade 6 is provided with net cover 7, and net cover 7 is fixed on the front cover 1. A driving device 4 capable of driving the fan motor 3 to swing in a circle is provided between the rear end surface of the fan motor 3 and the inner wall of the rear cover 2, and a rotary swing mechanism 5 is provided between the front end surface of the fan motor 3 and the inner wall of the front cover 1. The rotating and oscillating mechanism 5 includes a rotating and oscillating ring 52, a rotating and oscillating ring 51 and a connecting rod 53, wherein the rotating and oscillating ring 52 is fixed on the inner wall of the front cover 1 by screws, the rotating and oscillating ring 52 is provided with a support seat 521, and the rotating and oscillating ring 51 Hinged on the support seat 521 of the rotating fixed ring 52, one end of the connecting rod 53 is connected with the front end of the fan motor 3, the other end of the connecting rod 53 is hinged with the rotating swing ring 51, and the hinge of the connecting rod 53 and the rotating swing ring 51 The position and hinge position of the support seat 521 and the rotating swing ring 51 are respectively located in different directions of the rotating swing ring 51 .

The support bases 521 are located on opposite sides of the rotating fixed ring 52 respectively. Rod 53, one end of connecting rod 53 is connected with the front end face of fan motor 3, and the other end of connecting rod 53 is hinged with rotating swing ring 51, and the rotating shaft of fan motor 3 passes through the middle part of rotating fixed ring 52 and rotating swing ring 51, preferably Ground, the connecting rod 53 and the center line of the hinge position of the rotating swing ring 51 and the center line connecting the support seat 521 and the hinge position of the rotating swing ring 51 are perpendicular.

The driving device 4 includes a driving motor 41 arranged on the rear end surface of the fan motor 3, a central shaft 21 located in the middle of the inner wall of the rear cover 2, and a linkage rod 42 for connecting the rotating shaft of the driving motor 41 and the central shaft 21 of the rear cover 2 , the connecting rod 42 can rotate around the central axis 21, and the rotating shaft of the connecting rod 42 and the driving motor 41 cannot rotate relative to each other. When the driving motor 41 starts, the rotating shaft of the driving motor 41 drives the connecting rod 42 to rotate, because the connecting rod The other end of 42 can only rotate around the central axis 21 of the rear cover 2. Therefore, the rear end of the fan motor 3 can only perform a 360° circular motion with the central axis 21 as the center and the linkage rod 42 as the radius. At the same time, due to A rotary swing mechanism 5 is provided between the front end of the fan motor 3 and the inner wall of the front cover 1. Therefore, the rotating shaft at the front end of the fan motor 3 also swings in a 360° circle with the rotary swing mechanism 5 as the swing center, and the fan blades also follow it to do 360°. rocking operation.

When the oscillating fan of the utility model is working, the wide angle of wind flow can reach 120°. It has three functions of natural wind, sleep wind and normal wind for selection. It adopts remote control and the fan motor 3 is driven by DC, which has low energy consumption, good heat dissipation, and energy saving. Effect.

The embodiments of the utility model described above do not constitute a limitation to the protection scope of the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principle of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (5)

1. an oscillating fan, comprise protecgulum (1), bonnet (2) and the fan motor (3) be positioned between protecgulum (1) and bonnet (2), protecgulum (1) is connected with bonnet (2), the rotating shaft of fan motor (3) stretches out protecgulum (1) outside through the through hole at protecgulum (1) middle part, the drive unit (4) of energy drive fan motor (3) circle swing is provided with between described fan motor (3) and bonnet (2), rotary swing mechanism (5) is provided with between fan motor (3) and protecgulum (1), it is characterized in that: described rotary swing mechanism (5) comprises rotation fixed ring (52), rotary oscillation ring (51) and connecting rod (53), wherein rotation fixed ring (52) is fixed on protecgulum (1), rotation fixed ring (52) is provided with supporting base (521), rotary oscillation ring (51) is articulated with on the supporting base (521) of rotation fixed ring (52), one end of connecting rod (53) is connected with the front end of fan motor (3), the other end and the rotary oscillation ring (51) of connecting rod (53) are hinged, and the articulated position of connecting rod (53) and rotary oscillation ring (51) and supporting base (521) and the articulated position of rotary oscillation ring (51) lay respectively at rotary oscillation ring (51) not position in the same way.

2. oscillating fan according to claim 1, it is characterized in that: described supporting base (521) lays respectively at the relative both sides of rotation fixed ring (52), the both sides that rotary oscillation ring (51) is relative are articulated with on the supporting base (521) of rotation fixed ring (52) both sides respectively, another relative both sides of rotary oscillation ring (51) are equipped with connecting rod (53), one end of connecting rod (53) is connected with the front end of fan motor (3), and the other end and the rotary oscillation ring (51) of connecting rod (53) are hinged.

3. oscillating fan according to claim 1 and 2, it is characterized in that: described drive unit (4) comprise be located at fan motor (3) ear end face drive motor (41), be positioned at the continuous motion stem (42) of the central shaft (21) at bonnet (2) middle part and the central shaft (21) for the rotating shaft that connects drive motor (41) and bonnet (2), continuous motion stem (42) can rotate around central shaft (21).

4. oscillating fan according to claim 3, is characterized in that: the periphery of the flabellum (6) in described fan motor (3) rotating shaft is provided with guard (7), and guard (7) is fixed on protecgulum (1).

5. oscillating fan according to claim 3, is characterized in that: described fan motor (3) adopts direct drive.