CN2303960Y

CN2303960Y - New structure of electric fan

Info

Publication number: CN2303960Y
Application number: CN 97201224
Authority: CN
Inventors: 林淑
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-02-04
Filing date: 1997-02-04
Publication date: 1999-01-13
Anticipated expiration: 2007-02-04

Abstract

The utility model relates to an electric fan, particularly an electric fan with a safety requirement. The utility model mainly comprises a base, a motor, blades, an output shaft of the motor, a stanchion whose lower segment is hollow, a stanchion whose upper segment is hollow, and a deflection plate which is arranged in an air outlet, wherein, the stanchion whose upper segment is hollow is communicated with the upper part of the stanchion whose lower segment is hollow, the motor, the blades, and the output shaft of the motor are installed in the stanchion whose lower segment is hollow, the upper end of a motor shaft which is arranged on the base is connected with an electric fan, and the air outlet is communicated with the stanchion whose upper segment is hollow. Thereby, the utility model has the advantages of difficult toppling, low noise, and safety.

Description

The new structure of electric fan

The utility model relates to a kind of electric fan, especially refers to the electric fan that requirement is safe and reliable.

At present, known fan structure as shown in Figure 1, comprises blade 11, motor 12, pillar 13, base 14 and protecting wire net 15 etc., gives motor 12 when turn-on current, makes blade 11 rotations, and then produces air-flow (wind) and blow to the user place, but has following three shortcomings at least:

1, pillar 13 tops have blade 11, motor 12 and protecting wire net 15, and its weight is big, electric fan body center of gravity is higher, topples over easily;

2, motor 12 is positioned at the higher position of electric fan, noise that sends during running and heat directly be dispersed in user the place ahead, it is unfavorable to cause the user;

When 3, blade 11 rotates, very easily touch mutually, cause blade 11 to break to scatter or foreign matter breaks and scatters, easily the user is caused unexpected injury with external foreign matter; Therefore, outside the blade 11, be bound to such an extent that be equiped with protecting wire net 15, in case the thrusting of foreign matter, yet if protecting wire net 15 meshes are too close, air output subtracts greatly, energy that will waste motor 12, and cause the user unhappy; If protecting wire net 15 meshes are too thin, then can not stop entering of foreign matter, lose protective action; against the original intention of device protecting wire net 15, therefore, mesh must neither closely not dredged again; yet the evaluation to mesh density varies with each individual; same mesh; may be for the adult that looks steady for too close, but may be for too thin, therefore for naughty curious young child; electric fan device protecting wire net 15 1 things, rationally difficult to manage.

In view of this, the purpose of this utility model provides a kind of new structure of electric fan, and because of flabellum, motor are built-in, not only center of gravity is low, and noise is little.

The purpose of this utility model is achieved in that a kind of new structure of electric fan, it comprises base, motor, blade, the force-output shaft of motor, the hypomere hollow leg, the epimere hollow leg, exhaust outlet, the deflecting plate that exhaust outlet is built-in, pitch regulation actuating mechanism group, oscillation adjustment actuating mechanism group and lift adjustment actuating mechanism group, wherein, the epimere hollow leg is communicated with on the hypomere hollow leg, and motor, the force-output shaft system of blade and motor is installed in the hypomere hollow leg, and on base, the motor drive shaft upper end connects fan, and exhaust outlet is communicated with on the epimere hollow leg again.

Above-mentioned upper and lower section hollow leg is vertical or kink shape.

Above-mentioned pitch regulation actuating mechanism group comprises motor, motor drive controller and pliability wind-guiding sleeve pipe.

Above-mentioned pitch regulation actuating mechanism group comprises motor, motor drive controller and two engaging gears.

Above-mentioned pitch regulation actuating mechanism group comprises motor, motor drive controller, gear and a tooth bar.

Because adopt such scheme: be difficult for toppling over, noise is again little, so safe and reliable.

Below in conjunction with drawings and Examples the utility model is further specified.

The structural representation of the known electric fan of Fig. 1.

Fig. 2 the utility model exemplary embodiments structural representation.

Phase diagram is blown to nutation in Fig. 3 the utility model exemplary embodiments air port.

Phase diagram is blown in Fig. 4 the utility model exemplary embodiments air port to facing upward.

One movement state diagram of Fig. 5 the utility model exemplary embodiments air port swing.

Another movement state diagram of Fig. 6 the utility model exemplary embodiments air port swing.

The action schematic representation that Fig. 7 the utility model exemplary embodiments air port raises.

The action schematic representation that Fig. 8 the utility model exemplary embodiments air port reduces.

Fig. 9 the utility model exemplary embodiments pitch regulation actuating mechanism group schematic representation.

Figure 10 the utility model exemplary embodiments pitch regulation actuating mechanism group schematic internal view.

Figure 11 the utility model exemplary embodiments oscillation adjustment actuating mechanism group schematic representation.

Figure 12 the utility model exemplary embodiments lift adjustment actuating mechanism group schematic representation.

As shown in Figure 2, present embodiment comprises built-in deflecting plate 271, pitch regulation actuating mechanism group 28, oscillation adjustment actuating mechanism group 29 and the lift adjustment actuating mechanism group 210 etc. of force-output shaft 24, hypomere hollow leg 25, epimere hollow leg 26, exhaust outlet 27, exhaust outlet of base 21, motor 22, blade 23, motor.When galvanization is given 22 its motions of motor, force-output shaft 24 is vertical rotation, make blade 23 also vertically to rotation, produce air-flow 231 and draw from lower to upper, this air-flow 231 is introduced into hypomere hollow leg 25, again by epimere hollow leg 26, enter exhaust outlet 27 at last, this air-flow 231 runs into the deflecting plate 271 in the exhaust outlet 27, promptly is applied and becomes the wind 272 that level walks crosswise and blow out, and this wind 272 is the basic output wind of present embodiment.

For the wind 272 that exhaust outlet 27 in making is blown out can be contained wider space field, and three additional functions are proposed:

1, pitching function

Shown in Fig. 3,4, between exhaust outlet 27 and epimere hollow leg 26, a pitch regulation actuating unit 28 is set, the pitching that this pitch regulation actuating mechanism group 28 can make exhaust outlet 27 go to upper and lower changes to be adjusted, as shown in Figure 3, when α was negative value, the wind 272 that interior exhaust outlet 27 is blown out was to bow and blows shape; Otherwise, as shown in Figure 4, when α be on the occasion of the time, the wind 272 that is blown out by exhaust outlet 27 is to face upward and blows shape, this α can be the continuous variation function of time.

2, swing function

As shown in Figure 5, in base 21 sides, be provided with an oscillation adjustment actuating mechanism group 29, this oscillation adjustment actuating mechanism group 29 can make five members such as hypomere hollow leg 25, epimere hollow leg 26, exhaust outlet 27, pitch regulation actuating unit 28, lift adjustment actuating mechanism group 210 simultaneously vertically to rotation β angle, the wind 272 that should be blown out by exhaust outlet 27 is by related rotation β angle, be the state that swings, as shown in Figure 5, when β be on the occasion of the time, the wind 272 that is blown out by exhaust outlet 27 is and blows shape left; Otherwise when β was negative value, as shown in Figure 6, the wind 272 that is blown out by exhaust outlet 27 was and blows shape to the right, and wherein, β can be the continuous variation function of time.

3, lifting function

As shown in Figure 7, one lift adjustment actuating mechanism group 210 is set between hypomere hollow center pillar 25 and epimere hollow leg 26, this lift adjustment actuating mechanism group 210 can make three members such as epimere hollow leg 26, exhaust outlet 27, pitch regulation actuating mechanism group 28 make linear lifting moving simultaneously, the length that should move is d, can be the state that raises or reduce.As shown in Figure 7, when d be on the occasion of the time, the wind 272 that is blown out by exhaust outlet 27 blows out at higher position; Otherwise when d was negative value, as shown in Figure 8, the wind 272 that is blown out by exhaust outlet 27 blew out in the lower, and wherein this d can be the continuous variation function of time.

Above-mentioned three structures that additional function adopted explanation:

1, pitch regulation actuating mechanism group 28:

As Fig. 9, shown in 10, it is by a motor 281, the assembly that one motor drive controller 282 and stirring a property wind-guiding sleeve pipe 283 etc. are constituted, the main body of motor 281 system is fixed on one of epimere hollow leg 26 upper ends and extends on the chain-wales 261 that protrudes to substantially horizontal, the force-output shaft 284 of motor 281 is set to horizontal, borrow input end 273 to be fixed on the force-output shaft 284 with exhaust outlet 27, and make force-output shaft 284 traverse this input end 273, epimere hollow leg 26 is connected with exhaust outlet 27 the two stirring property wind-guiding sleeve pipe 283, user's starting motor drive controller 282, can make motor 281 motions, make force-output shaft 284 rotation alpha angles, so, exhaust outlet 27 is the rotation alpha angle also, bows or the adjustment at the elevation angle to reach.

2, oscillation adjustment actuating mechanism group 29:

As shown in figure 11, this group structure system is by a motor 291, a motor drive controller 292, a

gear

293 and 294 constitutors of a gear.The main body system of this motor 291 is fixed on the base 21, the force-output shaft 295 of motor 291 is set to and is vertical, and gear 293 is fixed on the force-output shaft 295, extremely in 294 lower ends that are fixed on hypomere hollow leg 25 of gear, be meshed with gear 294 with formative gear 293, and hypomere hollow leg 25 does not contact with base 21.When user's starting motor drive controller 292, then motor 291 motions, make force-output shaft 295 rotation β angles, via the engagement of gear 293 with gear 294, make hypomere hollow leg 25 rotation+β angles, so epimere hollow leg 26, exhaust outlet 27, pitch regulation actuating unit 28, lift adjustment actuating mechanism group 210 etc. are also all rotated the β angle.

3, lift adjustment actuating mechanism group 210:

As shown in figure 12, this is by a motor 2101, one motor drive controller 2102, institutes such as one gear 2103 and a tooth bar 2104 constitute, motor 2010 bodies be fixed on hypomere hollow leg 25 upper ends one on the chain-wales 251 that substantially horizontal extend to be protruded, the force-output shaft 2105 of motor 2101 is set to horizontal, 2103 of gears are fixed on the force-output shaft 2105, be fixed on the epimere hollow leg 26 as for tooth bar 2104, and be vertical shape, this gear 2103 is meshed with tooth bar 2104, hypomere hollow leg 25 and epimere hollow leg 26 keeps the sliding sleeve shapes to contact, promptly the lower end of epimere hollow leg 26 some be positioned at the inside of hypomere hollow leg 25 upper ends all the time.When user's starting motor drive controller 2102, then motor 2101 motions make force-output shaft 2105 rotations, via the engagement of gear 2103 with tooth bar 2104, will make that epimere hollow leg 26 is upper and lower mobile.

Claims

1, a kind of new structure of electric fan, it is characterized in that: it comprises built-in deflecting plate, pitch regulation actuating mechanism group, oscillation adjustment actuating mechanism group and the lift adjustment actuating mechanism group of force-output shaft, hypomere hollow leg, epimere hollow leg, exhaust outlet, exhaust outlet of base, motor, blade, motor, wherein, the epimere hollow leg is communicated with on the hypomere hollow leg, and the force-output shaft of motor, blade and motor system is installed in the hypomere hollow leg, and on base, the motor drive shaft upper end connects fan, and exhaust outlet is communicated with on the epimere hollow leg again.

2, by the new structure of the described electric fan of claim 1, it is characterized in that: above-mentioned upper and lower section hollow leg is vertical or kink shape.

3, by the new structure of the described electric fan of claim 1, it is characterized in that: above-mentioned pitch regulation actuating mechanism group comprises motor, motor drive controller and pliability wind-guiding sleeve pipe.

4, by the new structure of the described electric fan of claim 1, it is characterized in that: above-mentioned pitch regulation actuating mechanism group comprises motor, motor drive controller and two engaging gears.

5, by the new structure of the described electric fan of claim 1, it is characterized in that: above-mentioned pitch regulation actuating mechanism group comprises motor, motor drive controller, gear and a tooth bar.