WO2018008848A1

WO2018008848A1 - Functional front safety net of electric fan, having excellent compatibility

Info

Publication number: WO2018008848A1
Application number: PCT/KR2017/005607
Authority: WO
Inventors: 김통일
Original assignee: (주)비체룸
Priority date: 2016-07-07
Filing date: 2017-05-30
Publication date: 2018-01-11
Also published as: CN109416046B; KR101727281B1; JP2019521280A; CN109416046A

Abstract

Disclosed is a functional front safety net of an electric fan, having excellent compatibility, the front safety net increasing the linearity of wind so as to enable the cooling efficiency of an electric fan to improve when the front safety net is coupled to a rear safety net of a conventionally used electric fan, and, specifically, being fixedly coupled quickly and easily and usable through elongated holes and fastening pieces, which are formed at a coupling part, without being influenced by the diameter of the edge of the rear safety net of the conventionally used electric fan.

Description

Functional front safety net of highly compatible fans

The present invention relates to a front safety net of a fan, and more particularly, to a front safety net coupled with a rear safety net provided on a rear of a fan blade, to secure the straightness of the wind generated when the blade rotates to improve the efficiency of the fan. A guide having a ring shape in which front and rear surfaces are opened and formed in a predetermined width so as to be wound; A plurality of protection teeth formed on the front surface of the guide to protect the wings; Fastening is formed vertically bent in the outward direction from the rear edge of the guide but in close contact with the edge of the rear safety net is formed in a predetermined width to support the rear safety net, fastening fastening coupled to the fixed clip in close contact with the rear safety net border Is coupled to the through-hole is formed; is formed, including, the wind generated during the rotation of the blades through the guide to ensure the straightness to improve the wind speed of the fan, so that the coupling portion and the rear safety net is in close contact By joining the front safety net and the rear safety net and then fastening the fastener inserted through the long hole with the fixing clip to enable a fixed coupling without being affected by the diameter of the rear safety net edge of the fan in use. Of functional front safety net of electric fan with excellent compatibility will be.

In general, fans used in homes or offices are home appliances that are frequently used in hot summers as machines that generate wind by electricity.

Such a fan provides a cool wind to the summer users by rotating the rotor blades in accordance with the driving of the motor to blow the air flowing from the rear to the front side, and the wind is spread widely and cannot be transmitted far.

Although air conditioners are used to overcome the shortcomings of such fans, they are cool, but they are expensive and have low energy efficiency, which increases the cost of using electric power. By inducing air circulation more actively, the cooling efficiency of air conditioners is increasing, and the trend of reducing power consumption is a trend.

However, since the wind of the fan spreads widely, it does not transmit the wind far enough, so there is a problem that the air circulation ability is lowered.In order to compensate for this problem, an air circulator having excellent straightness of wind instead of the fan is recently used. Since there is a need to purchase an air circulator separately there is a problem that the purchase cost more occurs.

The present invention has been invented to solve the above problems, it can be easily coupled to the rear safety net of the fan, and to provide a front safety net of the fan that can improve the efficiency of the fan by ensuring the straightness of the wind. There is a purpose.

In addition, an object of the present invention is to provide a front safety net of a fan configured to be fixedly coupled without being affected by the diameter of the rear safety net of the fan in use.

In addition, it is an object of the present invention to provide a front safety net of the fan that can prevent the cooling efficiency is lowered by allowing the wind between the inner peripheral surface of the front safety net rim from the end of the wing to smoothly escape to the outside.

In order to achieve the above object, the present invention provides a front safety net that is coupled to a rear safety net provided at the rear of the fan blade, to secure the straightness of the wind generated when the blade rotates, so as to improve the efficiency of the fan. A guide in the form of a ring which is open and formed in a predetermined width; A plurality of protection teeth formed on the front surface of the guide to protect the wings; Fastening is formed vertically bent in the outward direction from the rear edge of the guide but in close contact with the edge of the rear safety net is formed in a predetermined width to support the rear safety net, fastening fastening coupled to the fixed clip in close contact with the rear safety net border Is coupled to the through-hole is formed; is formed, including, the wind generated during the rotation of the blades through the guide to ensure the straightness to improve the wind speed of the fan, so that the coupling portion and the rear safety net is in close contact By joining the front safety net and the rear safety net and then fastening the fastener inserted through the long hole with the fixing clip to enable a fixed coupling without being affected by the diameter of the rear safety net edge of the fan in use. do.

In addition, in the present invention, the fixing clip is a fastener insertion groove of a shape corresponding to the fastener so that the fastener can be inserted, and the edge fitting groove of the shape corresponding to the edge so that the edge of the rear safety net is seated and supported. It is characterized in that it is formed.

In addition, the fastener in the present invention using a bolt, by inserting a nut to the end of the bolt at the rear of the fixing clip to combine the front safety net and the rear safety net, the nut is manufactured for the purpose of fastening by hand directly By using the nut, the user can be firmly tightened to fix the nut without a fastener.

In addition, in the present invention, the bolt is a bolt having an angled head, the long hole is formed so that the width of the inlet corresponding to the width of the head portion and the width of the outlet is formed narrower than the width of the head, the front safety net and the rear When the bolt is inserted into the long hole in a state in which the safety net is engaged, the head is fixed while being in close contact with the inner circumferential surface of the inlet side of the long hole, thereby making it easy to fix the nut.

In addition, in the present invention, the front surface of the front safety net is formed with a diameter shorter than the guide and is characterized in that the split ring having a predetermined width connecting the protective teeth is formed extending from the protective teeth.

The present invention made as described above can improve the cooling efficiency of the fan by increasing the straightness of the wind when coupled to the rear safety net of the existing fan, in particular through the fan hole and the fasteners that have been used in the past It is economical and practical because it can be fixed and used quickly and easily without being affected by the diameter of the rear safety net.

In addition, the present invention is formed so that the width of the long hole corresponding to the width of the head constituting the fastener is fixed to the bolt when fixing the nut can be easily fixed, the user through the nut is provided with a handle on the end There is an advantage that can be maximized workability can be directly fastened by hand without a separate fastening tool.

In addition, there is an advantage that can increase the blowing distance by allowing the wind between the inner circumferential surface of the guide from the end of the wing to escape through the split ring to the outside in the form of a straight line.

1 is an exemplary view of a general electric fan.

Figure 2 is an illustration of a functional front safety net of a fan with excellent compatibility according to the present invention.

Figure 3 is an exemplary view for explaining a fixing clip according to the present invention.

4 to 7 is an exemplary view showing a method of combining the front safety net and the rear safety net according to an embodiment of the present invention.

8a to 8b is an exemplary view of a split ring formed in the front safety net of the fan with improved compatibility according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in more detail with respect to the functional front safety net of the excellent fan according to the present invention.

In the description of the present invention, the front safety net is combined with a rear safety net provided at the rear of the fan blade, and the present invention improves straightness while the wind formed during the rotation of the blade of the fan passes through the guide to increase wind speed and distance. It is possible to install in the rear safety net of the fan in use, which is excellent in practicality and economical efficiency, and in particular, the technical features that maximize the compatibility to enable a fixed coupling without being affected by the diameter of the rear safety net.

2 is an exemplary view of a front safety net according to the present invention. The front safety net 100 according to the present invention is to be in close contact with the rear safety net (2) of the fan to be coupled through the fixing clip and the fastener to be described later, the guide 110, the protective meat 120 and the coupling portion ( 130).

The guide 110 is a ring body having an open front and rear surfaces and having a predetermined width so as to improve the efficiency of the fan by securing the straightness of the wind generated when the blade 1 rotates. It is formed in a form (for example, funnel type) gradually narrowing from one side (front) to the other side (rear) so as to secure the straightness of the generated wind to improve the efficiency of the fan.

The reason why the guide 110 is formed in the form of gradually narrowing from one side to the other side is to use Bernoulli's theorem, and accordingly, when the same amount of wind (fluid) flows, The pressure decreases while the wind speed (velocity) increases as the cross-sectional area of the guide narrows.

The guard meat 120 is formed in plural on the front surface of the guide 110 to protect the wing (1), the wind formed through the wing (1) can escape to the outside while causing the vortex So that it is made in the shape of a spiral.

FIG. 1 is an exemplary view of a conventional general fan, and as shown in FIG. 1, a protection plate fixing plate 4 formed of a metal or a synthetic resin material is provided at a center of a front surface of the conventional fan, and the protection plate fixing plate 4 and the front safety net are provided. Between the corners is provided with a protective pole 5 of a straight line in the radial direction to protect the wings (1) of the fan and to prevent accidents inflicted by infants and young children.

The protective guard 5 provided in the front safety net of the conventional fan simply protects the wings 1 of the fan, prevents the safety accidents of young children, and allows the wind generated during the rotation of the wings to escape to the outside while spreading widely. However, when the wind hits the protective bar, there is a problem that the efficiency of the fan is reduced, such as a friction force is generated to reduce the wind speed and the amount of wind.

The spiral guard blade 120 according to the present invention is not only to protect the wing of the fan and the safety accidents of young children, which is the purpose of the guard blade of the conventional fan, but also the wind formed during the rotation of the blade escapes to the outside while causing the vortex in the form of a spiral It has a function to improve wind speed by reducing frictional resistance.

In addition, the present invention is to form a thicker gradually as the protective meat 120 from the rear toward the front so that the inner diameter of the passage through which the wind is gradually narrowed so that the wind is not scattered to escape to the outside in the form of a straight line. You can expect the effect. The reason why the protective skin 120 is gradually thickened from the rear to the front is to reduce the frictional resistance when the wind passes, as in the guide, and to use Bernoulli's theorem, and the following detailed description will be omitted. .

Next, the coupling portion 130 is a band shape that is bent vertically outward from the rear edge of the guide 110, in close contact with the edge (3) of the rear safety net to support the rear safety net (2). It is formed to a predetermined width so that the long hole 131 is formed through which the fastener 300 is detachably coupled to the fixing clip 200 in close contact with the rear safety net rim (3).

Fans currently in use in homes and businesses have a slight difference in diameter of the rear safety net rim 3 depending on the manufacturer. Accordingly, when the front safety net 100 according to the present invention is engaged with the rear safety net 2 of the fan in use, the fixing clip 200 fitted to the rear of the rear safety net rim 3 according to the diameter of the rear safety net rim. The position (height) may vary slightly.

However, if a bolt hole is formed in the coupling portion 130 instead of a long hole, the threaded portion penetrating the bolt hole may not be inserted into the fastener insertion groove according to the position of the bolt hole.

In other words, the front safety net and the rear safety net can be fastened only when the positions of the bolt holes and the diameters of the rear safety net edges correspond to each other. Of course, it is possible to insert the fastener into the bolt hole formed in a position corresponding to the fastener insertion groove by forming a plurality of bolt holes, but the diameter of the rear safety net edge slightly different for each manufacturer to form a bolt hole in the correct position there is a problem.

According to the present invention, the front safety net 100 and the rear safety net 2 are fitted together and then inserted into the long hole 131 without considering the position (height) of the fastener, and then fixed only by the fixing clip 200 and the nut 400. Since it is possible to fasten without being affected by the diameter of the rear safety net rim (3) of the fan used in the past, the compatibility is remarkably excellent.

In the present invention, the long hole 131 may be formed in plural number at regular intervals along the coupling portion to further increase the binding force between the front safety net 100 and the rear safety net 2, for example, a total of 90 ° intervals. Four long holes (hereinafter, referred to as positions 12, 3, 6, and 9 o'clock) may be formed.

Next, the fixing clip 200 corresponds to the fastener insertion groove 210 of the shape corresponding to the fastener on one side so that the fastener can be inserted and the edge of the rear safety net is seated and supported Edge fitting groove 220 of the shape is formed.

Figure 3 is an illustration of a fixed clip according to an embodiment of the present invention, the fixed clip is formed in a predetermined shape (shown in a square in Figure 3) to be in close contact with the outer peripheral surface of the coupling portion 130 and the center A first body 211 in which the fastener inserting groove 210 is formed, and a second body extending from the bottom of the first body to form a “┛” shape to form a frame fitting groove 220 therebetween ( 221).

The fixing clip 200 has a strength so as to prevent damage when fastening, it is preferably formed of a lightweight material, the vertical side of the second body 221 is shaken inside when the edge of the rear safety net is inserted It is preferable to be formed in a corresponding length so that it can be stably supported.

In the present invention, the fastener 300 uses a bolt, and uses a nut together to improve the binding force.

4 to 5, when the front safety net 100 and the rear safety net 2 is fastened, the front safety net 100 and the rear safety net (100) so that the coupling part 130 and the rear safety net 2 are in close contact with each other ( Fit 2). Next, the rear safety net rim (3) is coupled to the fixing clip 200 from the rear of the rear safety net to be fitted in the frame fitting groove 220 of the fixed clip. Subsequently, when the fastener 300 (hereinafter referred to as a bolt) is inserted to penetrate the long hole 131, the end of the bolt passes through the fastener insertion groove 210 to be exposed to the outside. A screw thread may be formed on the inner circumferential surface of the fastener insertion groove 210, and when the screw thread is formed, the front safety net and the rear safety net may be fastened only by coupling the bolt and the fixing clip, and the nut may be inserted into an end of the bolt. You can also improve the binding force.

The nut 400 may use a nut that allows the user to tighten the finger without a separate tightening tool, such as a butterfly nut, eye nut, cap nut, wing nut, or T-nut, and the like through the configuration The fastening work can be done with only a finger without using fasteners.

Meanwhile, when the bolt 300 is inserted into the long hole 131, for example, when the bolt is tightened, the bolt 300 is not fixed in the long hole. Therefore, the bolt 300 may rotate together with the butterfly nut. have. In order to prevent this problem, the present invention uses the bolt 300 'is formed in the angle of the bolt as shown in Figure 7, the long hole 131' is formed so that the width of the inlet corresponds to the width of the head portion The width of the outlet is narrower than the width of the head.

When the bolt 300 'is formed using an angled bolt in the head and the width of the inlet of the long hole 131' is formed to correspond to the width of the head, the head is long when the bolt is inserted into the long hole. While being in close contact with the inner circumferential surface of the hole can be fixed to facilitate the operation of fixing the nut 400 from the rear, there is an advantage to improve the binding force can be tightened by a stronger force.

Next, referring to Figures 8a to 8b is formed on the front of the front safety net according to the present invention having a shorter diameter than the guide, the split ring 140 of a predetermined width connecting the guards, respectively extending in front and rear of the guards Is formed.

When assuming that the protection wind fixing plate 150 provided at the front of the front safety net from the split ring 140 to the first wind outlet and the split ring 140 to the guide 110 are the second wind outlets, the blades rotate. The wind on the front side of the city wing is discharged through the first wind outlet, and the wind between the inner circumferential surface of the guide from the end of the wing is discharged through the second wind outlet.

The front safety net of a conventional fan has a gap between the guard and the guard so that the wind escapes into the space therebetween. The wind on the front side of the wing ensures straightness through the rotational force of the wing, so that it is relatively smooth. Although it can escape, the wind between the end of the wing and the inner peripheral surface of the front safety net has a problem that the loss occurs while flying in a radial direction because it is not straight.

The split ring 140 according to the present invention guides the wind between the inner circumferential surface of the guide 110 to escape from the end of the wing in a straight line without being scattered, and is gradually thickened from the rear to the front to discharge the wind. By making the inner diameter of the passage gradually narrow, it is possible to obtain an effect of increasing the wind speed and the air volume. The reason why the split ring 140 is gradually thicker from the rear to the front is to reduce frictional resistance when the wind passes, as in the guide 110, and to use Bernoulli's theorem. Omit it.

Referring to the method of combining the front safety net of the fan according to the present invention made as described above with the rear safety net of the fan in use as follows.

First, separate the front safety net of the fan in use.

Next, the front safety net 100 and the rear safety net 2 mesh with the coupling part 130 so that the edge 3 of the rear safety net is in close contact.

Next, insert the fixing clip 200 so that the edge (3) of the rear safety net is in close contact with the edge fitting groove 220, and then the fastener so as to pass through the long hole (131 or 131 ') and the fastener insertion groove 210 Insert (300 or 300 ')

Then, tighten the nut 400 to the end of the fastener (300 or 300 ') and the fixing clip 200 is in close contact with the coupling portion 130, the front safety net 100 and the rear safety net (2) is fixedly coupled do.

The present invention made as described above can be easily combined and used in the rear safety net of the fan used in the past, and can increase the straightness of the wind in use to maximize the cooling efficiency of the fan, in particular the long holes and fasteners formed in the coupling portion Through it can be used to quickly and easily fixed without being affected by the diameter of the rear safety net of the fan used in the past has the advantage of excellent economic efficiency and practicality.

Explanation of Codes

1: wing

2: Rear safety net

3: border of rear safety net

4: protector fixing plate

5: protector

100: front safety net

110: the guide

120: Protector

130: coupling part

131,131 ′: long hole

140: split ring

150: protector fixing plate

200: fixed clip

210: fastener insert groove

220: frame fitting groove

300,300 ′: Fastener

400: nut

Claims

In the front safety net coupled with the rear safety net provided on the rear of the fan blade,

A ring-shaped guide 110 having front and rear surfaces formed to have a predetermined width so as to improve the efficiency of the fan by securing the straightness of the wind generated when the blade is rotated;

A plurality of protection teeth 120 formed on the front surface of the guide to protect the wings;

Fastening is formed vertically bent in the outward direction from the rear edge of the guide but in close contact with the edge of the rear safety net is formed in a predetermined width to support the rear safety net, fastening fastening coupled to the fixed clip in close contact with the rear safety net border It is made to include;

As the wind generated during the rotation of the blade passes through the guide to ensure the straightness can improve the wind speed of the fan,

The front safety net and the rear safety net are fitted so that the coupling part and the rear safety net closely contact each other, and then the fastener inserted through the long hole is engaged with the fixing clip without being affected by the diameter of the rear safety net edge of the fan. Functional front safety net of highly compatible fans, characterized in that fixed coupling is possible.
According to claim 1, The fixing clip is a fastener insertion groove of the shape corresponding to the fastener so that the fastener can be inserted, and the edge fitting of the shape corresponding to the edge so that the edge of the rear safety net is seated and supported Functional front safety net of a highly compatible fan, characterized in that the groove is formed.
The method of claim 1, wherein the fastener uses a bolt,

Insert the nut into the end of the bolt at the rear of the fixing clip to combine the front safety net and rear safety net,

The nut is a functional front safety net of a highly compatible electric fan, characterized in that by using a nut made for the purpose of fastening by hand, the user can fasten the nut firmly without a tightening tool.
4. The bolt of claim 3 wherein said bolt is a bolt having an angled head,

The long hole is formed so that the width of the inlet corresponds to the width of the head and the width of the outlet is formed narrower than the width of the head,

When the bolt is inserted into the long hole in the state in which the front safety net and the rear safety net are engaged, the head is fixed to the inner circumferential surface of the inlet side of the long hole so that the work of fixing the nut is easy. Full safety net.
The front safety net of the compatible fan of claim 1, wherein the front surface of the front safety net has a diameter smaller than that of the guide, and a dividing ring having a predetermined width connecting the protection arm is formed from the protection arm.