KR200487129Y1 - A fixed cover for electric fan - Google Patents

Abstract

In order to protect the blades of a fan, the present invention is coupled to a fixing frame detachably coupled to the front and rear surfaces of the blades so as to join the front and rear safety nets of protective fingers, A body of a shape; And a band-shaped guide which is formed to have a predetermined width forward along one side edge of the body so as to secure the straightness of the wind generated at the time of the rotation of the wing to improve the air volume and the wind speed, Start the auxiliary border.

Description

{A FIXED COVER FOR ELECTRIC FAN}

In order to protect the blades of the fan, the present invention is coupled to a fixing frame detachably coupled to the front and rear surfaces of the blades so as to join the front and rear safety nets of protective fingers, A body of a shape; And a band-shaped guide which is formed to have a predetermined width forward along one side edge of the body so as to secure the straightness of the wind generated at the time of the rotation of the wing to improve the air volume and the wind speed, It relates to the auxiliary frame.

Generally, a fan used in a home or office is a machine that generates wind by electricity, and it is a household appliance which is widely used in a hot summer.

This type of fan is largely composed of a main body having a floor surface and having an operation section for controlling the on / off and direction of the fan, and a timer for controlling the fan, a support column vertically disposed on the upper end of the main body, (2) connected to the motor at one side of the motor case, and a plurality of protective fingers arranged in the radial direction to protect the fan blades 3 fixed to the outer periphery thereof. (See Fig. 1)

The conventional fan has the advantage of providing cool wind to the users in the summer by blowing the air introduced from the rear side by rotating the rotary vane as the motor is driven. However, So if the actual ambient air temperature is very high, there is a shortage of cooling the heat in hot summer due to the blowing of hot winds. If there is a large space, a large number of people, or if you want cool wind evenly, you should use a number of fans So that not only is it economically burdened, but also a lot of installation sites are occupied.

Although the air conditioner is used to overcome the insufficient cooling efficiency of such a fan, the cooling efficiency is excellent, but the energy efficiency is low due to the expensive product, thus increasing the cost of using the electric power.

In order to overcome the disadvantage of the air conditioner, the fan is operated in a state of facing the air conditioner, so that the air circulation of the room is more actively induced, thereby cooling the efficiency of the air conditioner and reducing the power consumption.

However, since the fan blows wind widely in the up, down, left, and right directions in front, it is impossible to blow air intensively toward the air conditioner and a loss occurs. In order to solve such a problem, a circulator having an excellent wind straightness is used instead of an electric fan in recent years. However, if a circulator is not provided, a purchase cost is consumed since it must be purchased separately. In the case of using a circulator with an electric fan, There is a problem in that the electric power use cost of the electric power source is further increased.

On the other hand, in the past, safety accidents occurred in which children were not aware of the danger and put their fingers on the wing of the fan in operation and were injured by the fingers. In order to prevent such safety accidents, nylon, polypropylene Of the material is covered with a safety net woven with a net structure. However, since the safety net has a mesh structure, the wind speed of the fan is lowered, so that it is impossible to smoothly blow air and the cooling efficiency is lowered.

Korean Registered Utility Model No. 20-0469802 (Front protective cover of electric fan)

The present invention has been made in order to solve the above problems. It is easy to use because it can be easily detachably attached to the fixed edge of the fan which is used in the past and secures the straightness of wind of the fan in use, And it is an object of the present invention to provide an auxiliary frame for a fixed frame of an electric fan which can prevent a safety accident by preventing children from putting their fingers into a wing.

The object of the present invention is to provide a fixed edge of an electric fan capable of increasing the wind amount and wind speed by ensuring the straightness of the wind.

In order to achieve the above-mentioned object, the present invention relates to a windscreen wiper device, which is coupled to a fixing frame detachably coupled along a circumference for joining front and rear safety nets formed on the front and rear surfaces of a blade, A ring-shaped body fixed to the fixing frame; And a guide in the shape of a band which is formed to have a predetermined width forward along one side edge of the body so as to secure the straightness of the wind generated during the rotation of the blade and to improve the air volume and the wind speed, The first fixing clip is fixed to the outer circumferential edge of the fixing frame and fixed to the upper end of the fixing frame. The first fixing clip has a fastening hole formed on the upper side thereof. The body is fixed to the edge of the outer circumference of the front edge of the fixing frame, the first fixing clip is fixed to the edge of the rear outer circumference of the fixing frame, and the fixing pin and the first fixing clip are coupled through the bolt, As shown in Fig.

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According to the present invention, the auxiliary frame for the fixed frame of the fan can be easily combined with the fixed frame of the fan in use, and the airflow and wind speed can be increased by ensuring the straightness of the wind of the fan. The efficiency can be improved.

In addition, since the guide is formed to extend forward by a predetermined length, it is possible to prevent a safety accident by blocking a space where young children can put their fingers in their wings.

In addition, since it is not necessary to purchase a circulator separately, it is possible to reduce the purchase cost, and the power consumption cost, which may occur when the circulator is used separately from the fan, can be reduced.

In addition, the fixing rim of the fan according to the present invention can increase the air flow rate and wind speed by securing the straightness of the wind when the fan rotates, thereby improving the cooling efficiency.

1 is an exemplary view showing a conventional general fan;
FIG. 2 is an illustration of an auxiliary frame for a fixed frame of a fan according to an embodiment of the present invention; FIG.
Figs. 3 to 4 are views showing a state in which a secondary rim according to an embodiment of the present invention is mounted on a fan. Fig.
5 is an illustration of an auxiliary frame for a fixed frame of a fan according to another embodiment of the present invention;
6 is an illustration of an auxiliary frame for a fixed frame of a fan according to another embodiment of the present invention;
Figs. 7 to 8 are illustrations for explaining a guide according to an embodiment of the present invention. Fig.
Fig. 9 is an exemplary view for explaining the fixing frame of the fan according to the present invention; Fig.
10 to 11 are views showing a state in which a fixing edge of an electric fan according to the present invention is mounted on a fan.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout.

In the description of the present invention, the fixing frame 4 refers to a structure in which the front and rear safety nets, which are provided on the front and rear surfaces of the blades, Quot; is < / RTI >

According to the present invention, the auxiliary frame (10) for the fixed frame of the fan can be easily detachably coupled to the fixed frame (4) of the fan (1) in use and secures the straightness of the wind of the fan The wind speed can be increased, and safety incidents can be prevented by preventing children from putting their fingers in their wings.

The auxiliary frame 10 according to the present invention has a ring-shaped body 11 fixed to a fixing frame connecting the front and rear safety nets for protecting the fan blades 2, And a guide (20) in the form of a band formed forwardly along one side edge of the body by a predetermined width.

The body 11 refers to the end of the auxiliary rim 10 which is in contact with the fixed rim 4.

FIG. 2 is a perspective view of an auxiliary frame 10 according to an embodiment of the present invention. The body 11 has a cross section of '┏┓' so as to cover the outer peripheral surface of the fixed frame 4, And a ring body which is formed in a shape of a letter and in which a fitting groove 12 is formed.

In addition, the body 11 is cut at one side, and fastening openings 13 for improving the fastening force of the body are provided at both end portions cut out. The fasteners 13 may be formed in various types or shapes. For example, the fasteners and the connecting pieces, each having a bolt insertion hole formed at each end of the body 11, are coupled to each other, So that the auxiliary rim 10 is fixed to the fixed rim 4.

The body 11 is preferably made of a material having strength and elasticity, and may be made of synthetic resin such as plastic.

5 shows a sub-frame 10 'according to another embodiment of the present invention. In the upper end of the body 11', a fixing piece 14, in which a fastening hole is formed, is formed, And a first fixing clip 15 fixed to the edge of the rear outer circumference of the rim 4 and having a fastening hole formed thereon.

The present invention is characterized in that the body 11 'is brought into close contact with the front outer peripheral edge of the fixing frame 4 and a first fixing clip 15 is fixed to the rear outer peripheral corner of the fixing frame 5, The body 11 'is fixed to the fixing frame 4 by fastening the first fixing clip 14 and the first fixing clip 15 through a fastener (for example, a bolt of FIG. 5).

The fixing piece 14 may be formed on the body 11 'to improve the binding force.

The body 11 'may be formed to have a diameter corresponding to the fixing rim 4 so as to be in close contact with the outer peripheral edge of the fixing rim 4. However, since the diameter of the fixed frame 4 may be slightly different depending on the product or the brand of the manufactured fan, when the body 11 'is brought into close contact with the outer peripheral edge of the fixed frame 4, May occur. Even if the diameter of the body 11 'is different from the diameter of the fixing frame 4, the fixing pin 14 and the first fixing clip 15 can be bolted to each other, thereby overcoming an error due to a difference in diameter. That is, the present invention has a practical advantage since the body 11 'can be fixed and used irrespective of the size (diameter) of the fixing frame 4 of the fan, which is being used in the past.

Next, Fig. 6 shows the auxiliary rim 10 " according to another embodiment of the present invention, wherein one end of the body 11 " is hinged to the outer peripheral surface of the upper end and is formed to have a predetermined length, And a second fixing clip 16 having a fixing ring 17 fixed to the rear outer peripheral edge of the fixing frame.

The second fixing clip 16 is formed to have a predetermined length so as to be fixed through the fixing ring 17 while being wrapped around the upper outer peripheral surface of the fixing frame 4. The body 11 ' As shown in FIG.

In the present invention, the body 11 '' is brought into close contact with the front outer peripheral edge of the fixing frame 4, and then the second fixing clip 16 is rotated to fix the fixing hook 17 to the rear outer peripheral corner.

The body 11 '' may be formed to have a diameter corresponding to the fixing rim so as to be in close contact with the outer peripheral edge of the fixing rim 4. However, since the diameter of the fixed rim 4 may be slightly different depending on the product or the brand of the manufactured fan, when the body 11 'is brought into close contact with the outer peripheral edge of the fixed rim 4, May occur. Even if the diameter of the body 11 '' is different from the diameter of the fixing frame 4, the present invention can overcome the error due to the difference in diameter by fixingly coupling the second fixing clip 16 and the fixing ring 17. That is, the present invention has a practical advantage since the body 11 '' can be fixed and used irrespective of the size (diameter) of the fixing frame of the fan, which is being used in the past.

Next, the guide 20 is formed to have a predetermined length in the outward direction along one side edge of the body 11, 11 ', 11' 'so as to ensure straightness during blowing of wind generated when the fan of the fan is rotated .

The guide 20 enhances the cooling efficiency by improving the air volume and the wind speed while ensuring the straightness of the air blowing in the wind. Here, as shown in FIGS. 7 to 8, the guide 20 gradually increases toward the front And may be formed in a narrowed shape. In FIGS. 7 to 8, according to an embodiment of the present invention, a cross-section is formed in a shape of '┏ ┓', a fitting groove 12 is formed on the inside, a fastening hole 13 is formed on both sides of the cross- Shaped guide 20 'is formed on the outer peripheral surface of the front side of the body 11.

As shown in FIGS. 7 to 8, when the guide 20 'is formed so as to become gradually narrower toward the end, it forms a funnel shape. This is to use the Bernoulli's theorem, The flow velocity of the wind is decreased while the cross-sectional area of the guide is decreased.

The auxiliary rim 10, 10 ', 10''according to the present invention can be easily coupled to the fixing rim 4 of the fan and can be used by blowing air through the guides 20 and 20' The air flow rate and the wind speed can be improved to improve the cooling efficiency.

Next, the fixing edge 30 of the fan according to the present invention will be described.

Referring to FIG. 9, the fixing frame 30 according to the present invention includes a guide 40 in the form of a band along the edge of the outer peripheral surface of the front portion so as to secure the straightness of the wind generated during the rotation of the wings, Is formed.

The guide 40 protrudes from the edge of the front outer circumference of the fixing frame 30 by a predetermined length so as to ensure straightness during blowing of wind generated when the fan 2 rotates, As the straightness is ensured, the air flow rate and the wind speed increase, so that the cooling efficiency can be increased.

In addition, the guide 40 may be formed to be gradually narrowed toward the end portion so as to further improve the air flow rate and wind speed.

When the guide 40 'is formed to be gradually narrowed toward the end portion, the fixing rim has a funnel shape. This shape is based on Bernoulli's theorem, which shows that when the same amount of wind (fluid) is introduced, the pressure of the passing wind is lowered while the speed of the wind (flow velocity) .

In addition, the guides 40 and 40 'are preferably formed of a material having strength and elasticity, and may be formed of a synthetic resin material such as plastic.

According to the present invention, the auxiliary frame for the fixed frame of the fan can be easily combined with the fixing frame (4) of the conventional fan, and the airflow and wind speed can be increased by securing the straightness of the wind during use. Can be improved.

In addition, since the guide 20 is formed to extend forward by a predetermined length, it is possible to prevent a safety accident by blocking a space in which children can put their fingers in their wings.

In addition, since it is not necessary to purchase a circulator separately, it is possible to reduce the purchase cost, and the power consumption cost, which may occur when the circulator is used separately from the fan, can be reduced.

In addition, the fixing edge of the fan according to the present invention has an advantage that the cooling efficiency can be improved because the guide 40 secures the straightness of the wind when the fan rotates, thereby increasing the air flow rate and wind speed.

1: Fan 2: Wing
3: Protective flesh 4: Fixed border
10, 10 ', 10 ": auxiliary rim 11, 11', 11": body
12: fitting groove 13: fastening portion
14: Fixture 15: First fixing clip
16: second fixing clip 20, 20 ': guide
30: Fixed rim 40, 40 ': Guide

Claims (7)

(4) detachably coupled along the perimeter to engage front and rear safety nets made up of protective fingers (3) provided on the front and rear surfaces of the blades to protect the blades (2) of the fan,
A ring-shaped body 11 fixed to the fixed rim; Shaped guide (20) formed in a predetermined width forward along one side edge of the body so as to secure the straightness of the wind generated during the rotation of the wings and to improve the air volume and the wind speed,
The guide is formed to be gradually narrowed toward the end,
A first fixing clip 15 is formed on the outer circumferential surface of the upper body of the body and has a fixing piece 14 formed with a fastening hole and is fastened and fixed to an edge of a rear outer circumferential surface of the fixing frame and having a fastening hole formed thereon, The first fixing clip 15 is fixed to the corner of the rear outer circumference of the fixing frame and then the fixing piece 14 and the first fixing clip 15 are fixed to the front outer edge of the fixing frame by bolts And the body is fixed to the fixing frame (4).
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