WO2018133507A1

WO2018133507A1 - Vertical head-shaking structure of electric fan

Info

Publication number: WO2018133507A1
Application number: PCT/CN2017/110302
Authority: WO
Inventors: 邵为冬
Original assignee: 江门市西点电器科技有限公司
Priority date: 2017-01-17
Filing date: 2017-11-10
Publication date: 2018-07-26
Also published as: CN206487658U

Abstract

Disclosed is a vertical head-shaking structure of an electric fan, comprising a base (1), and two symmetrical vertical support plates (21) connected to the base (1), wherein an upper end of the two symmetrical vertical support plates (21) is hinged with a swing-head holder (4) which can swing up and down. A front end of the swing-head holder (4) is connected to a main electric motor (5) used for driving a fan blade, and a rear end thereof is connected to a swing-head electric motor (6). The swing-head electric motor (6) is connected to a crank (61). A horizontal shaft (7) is arranged between the vertical support plates (21). The horizontal shaft (7) is disposed under the hinge point of the swing-head holder (4) and the vertical support plates (21). A swing-head connecting rod (71) is hinged on the horizontal shaft (7), and the other end of the swing-head connecting rod (71) is hinged with the crank (61). The head-shaking mechanism has a simple structure, low construction costs and steady shaking.

Description

Vertical moving head structure of electric fan

Technical field

The invention relates to the technical field of electric fans, in particular to a vertical moving head structure of an electric fan.

Background technique

The electric fan is a kind of electric appliance commonly used by people. The main motor drives the fan blades to generate airflow for cooling and cooling. Most of the electric fans in the prior art can only be shaken horizontally, the blowing surface of the fan is narrow, and the human body is only partially in the wind receiving surface, and the cooling effect of other parts is not good, and the local wind is felt for a long time. Very uncomfortable. Most of the existing vertical moving head structures use synchronous motors to drive the moving head. The structure is complicated, the cost is high, the moving head is not stable, and it is difficult to popularize.

Summary of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a vertical moving head structure of an electric fan, which has a simple and practical structure and low cost.

The technical solution adopted by the present invention to solve the technical problem thereof is:

The utility model relates to a vertical moving head structure of an electric fan, which comprises a base and two symmetrical vertical supporting plates connected to the base. The upper ends of the two vertical supporting plates are hinged with a swinging head bracket which swings up and down, and the front end of the swinging head bracket is connected. a main motor for driving the fan blade, a swing head motor is connected to the rear end, the swing head motor is connected with a crank, and a horizontal shaft is disposed between the two vertical support plates, and the horizontal shaft is arranged on the swing head bracket and the vertical Below the hinge point of the support plate, a swing link is hinged on the horizontal shaft, and the other end of the swing link is hinged to the crank.

As an improvement of the above technical solution, the upper end of the vertical support is connected with a sleeve, the swing bracket is hinged to the sleeve, and the center of the sleeve forms a passage.

As a further improvement of the above technical solution, the upper end surface of the oscillating head bracket is provided with a wire passing hole, and the power wire of the oscillating head motor passes through the wire hole from the upper end surface of the oscillating head bracket and passes through the passage of the center of the bushing, Adjacent to the vertical support plate extends down to the base.

Further improved, the power cord of the main motor is measured from the oscillating bracket through the passageway in the center of the sleeve and extends down to the base with the vertical support plate.

Further improved, the lower end of the vertical support plate is bent toward the rear side to form a seating portion.

According to a further improvement, the vertical support plate is provided with reinforcing ribs along the axis.

Further improved, the rear end of the oscillating weight bracket is provided with a vertical mounting plate for mounting the oscillating motor, and a middle of the vertical mounting plate is provided with a through hole for the rotating shaft of the oscillating motor, the radius of the through hole The swing motor and the vertical mounting plate are fixed by bolts. The swing motor is provided with a plurality of mounting holes for bolt mounting to adjust the relative positions of the rotating shaft and the through hole.

Further improved, a central portion of the horizontal shaft is provided with a limit annular groove, and the swing link is connected to the limit annular groove.

The utility model has the beneficial effects that: the oscillating head motor drives the crank to rotate, and the crank pushes the oscillating head bracket and the reciprocating oscillating head of the main motor in the vertical direction under the limitation of the oscillating head connecting rod and the horizontal shaft, and the moving head motor and the oscillating head motor simultaneously operate. The composite moving head of the electric fan can be realized, and the synchronous motor is not needed, the structure is simple, the cost is low, and the utility model is suitable for large-scale promotion.

DRAWINGS

The invention will now be further described with reference to the accompanying drawings and embodiments.

1 and 2 are schematic views of the structure of the present invention;

Figure 3 is a partial schematic view of the present invention;

Figure 4 is a schematic view showing the structure of the vertical shaking head of the present invention.

detailed description

Referring to FIG. 1 to FIG. 4, a vertical moving head structure of an electric fan includes a base 1 and two symmetrical vertical supporting plates 21 connected to the base 1. The upper ends of the two vertical supporting plates 21 are hinged with swinging up and down. a head bracket 4 to which a front end motor 5 for driving a fan blade is connected, a swing head motor 6 is connected to the rear end, and the swing head motor 6 is connected with a crank 61, and the two vertical support plates 21 are connected. A horizontal shaft 7 is disposed between the swing head bracket 4 and the pivot point of the vertical support plate 21, and the horizontal shaft 7 is hinged with a swing link 71, and the other end of the swing link 71 Hinged with the crank 61. With the above structure, the principle of the vertical shaking head is: the oscillating head motor 6 drives the crank 61 to rotate, and the crank 61 pushes the oscillating head bracket 4 and the main motor 5 in the vertical direction under the restriction of the oscillating weight link 71 and the horizontal shaft 7. Reciprocating shaking head. The moving head 3 and the oscillating motor 6 can simultaneously realize the composite moving head of the electric fan, and the structure is simple and the cost is low.

In the present embodiment, preferably, the upper end of the vertical support plate 21 is connected with a sleeve 22, and the swing head support 4 is hinged to the sleeve 22, and the sleeve 22 forms a passage at the center. Preferably, the upper end surface of the oscillating head bracket 4 is provided with a wire hole 41, and the power wire of the oscillating weight motor 6 passes through the wire hole 41 from the upper end surface of the oscillating frame 4 and passes through the channel at the center of the bushing 22. Adjacent to the vertical support plate 21, it extends downward to the base 1. Preferably, the power cord of the main motor 5 is measured from the oscillating weight bracket 4 through the passageway passing through the center of the sleeve 22 and extends down to the vertical support plate 21 to the base 1. With the above structure, the power line wiring of the oscillating head motor 6 and the main motor 5 is reasonable, avoiding interference with the oscillating head bracket 4, and is advantageous for avoiding tying of the power line.

In this embodiment, preferably, the lower end of the vertical support plate 21 is bent toward the rear side to form a retaining portion to prevent the fan head from colliding with the support plate 21, thereby increasing the range of movement of the fan head.

In the present embodiment, preferably, the vertical support plate 21 is provided with reinforcing ribs along the axis to increase the structural strength.

In the present embodiment, preferably, the rear end of the oscillating weight bracket 4 is provided with a vertical mounting plate 42 for mounting the oscillating motor 6, and a central portion of the vertical mounting plate 42 is provided with a rotating shaft for the oscillating motor 6. The through hole 43 has a radius larger than twice the radius of the rotating shaft of the oscillating motor 6; the oscillating motor 6 and the vertical mounting plate 42 are fixed by bolting, and the oscillating motor 6 is provided with a plurality of The mounting hole of the bolt is mounted to adjust the relative position of the rotating shaft and the through hole 43. With the above structure, the oscillating motor 6 is connected to the vertical mounting plate 42 through different mounting holes, and the position of the oscillating motor 6 can be adjusted, that is, the distance between the axis of the oscillating motor 6 and the horizontal shaft 7 is adjusted to adjust the vertical direction of the electric fan. The amplitude of shaking your head.

In order to prevent the shifting of the oscillating weight 71 from affecting the vertical oscillating head of the electric fan, in the present embodiment, preferably, a central portion of the horizontal shaft 7 is provided with a finite annular groove, and the oscillating connecting rod 71 is connected at Limit the position on the annular groove to prevent displacement.

The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and as long as it achieves the technical effects of the present invention by any identical or similar means, it should fall within the protection scope of the present invention. .

Claims

A vertical moving head structure of an electric fan, comprising: a base (1) and two symmetrical vertical supporting plates (21) connected to the base (1), and upper ends of the two vertical supporting plates (21) are hinged There is a swinging head bracket (4) that swings up and down, a front end motor (5) for driving the fan blade is connected to the front end of the swing head bracket (4), and a swing head motor (6) is connected to the rear end, and the swing head motor ( 6) A crank (61) is connected, and a horizontal shaft (7) is arranged between the two vertical support plates (21), and the horizontal shaft (7) is arranged on the swing head bracket (4) and the vertical support plate (21) Below the hinge point, a swing link (71) is hinged on the horizontal shaft (7), and the other end of the swing link (71) is hinged to the crank (61).
The vertical moving head structure of an electric fan according to claim 1, characterized in that: the upper end of the vertical supporting plate (21) is connected with a sleeve (22), and the swing head bracket (4) is hinged to the sleeve (22), the center of the sleeve (22) forms a passage.
The vertical moving head structure of an electric fan according to claim 2, characterized in that: the upper end surface of the oscillating head bracket (4) is provided with a wire passing hole (41), and the power supply of the oscillating head motor (6) The wire passes through the upper hole (41) from the upper end surface of the oscillating bracket (4) and passes out from the passage in the center of the sleeve (22) and extends down to the base (1) close to the vertical support (21).
The vertical moving head structure of an electric fan according to claim 3, characterized in that the power line of the main motor (5) is measured from the swing bracket (4) through the passage of the center of the sleeve (22) And the vertical support plate (21) extends down to the base (1).
The vertical moving head structure of an electric fan according to any one of claims 1 to 4, characterized in that the lower end of the vertical support plate (21) is bent toward the rear side to form a seating portion.
The vertical moving head structure of an electric fan according to claim 5, characterized in that: the vertical supporting plate (21) is provided with reinforcing ribs along the axis.
The vertical moving head structure of an electric fan according to claim 1, characterized in that: the rear end of the oscillating head bracket (4) is provided with a vertical mounting plate (42) for mounting the oscillating motor (6), a middle portion of the vertical mounting plate (42) is provided with a through hole (43) through which the rotating shaft of the oscillating motor (6) passes, and the radius of the through hole (43) is larger than the radius of the rotating shaft of the oscillating motor (6) The swing motor (6) and the vertical mounting plate (42) are fixed by bolting, and the swing motor (6) is provided with a plurality of mounting holes for bolt mounting to adjust the rotating shaft and the through hole (43). relative position.
The vertical moving head structure of an electric fan according to claim 1, characterized in that: a central portion of the horizontal shaft (7) is provided with a finite annular groove, and the oscillating connecting rod (71) is connected at a limit On the annular groove.