CN2272957Y

CN2272957Y - Three-D oscillating fan

Info

Publication number: CN2272957Y
Application number: CN 95250011
Authority: CN
Inventors: 邵世钦
Original assignee: Asianet Electric Appliance Co ltd
Current assignee: Asianet Electric Appliance Co ltd
Priority date: 1995-12-14
Filing date: 1995-12-14
Publication date: 1998-01-21
Anticipated expiration: 2005-12-14

Abstract

The utility model relates to a three-D oscillating fan, mainly comprising a reed which is equipped a head of a fan, and whose one end is equipped on a fixing seat of the fan, a U-shaped rack which is equipped on the outboard of a cover of the head of the fan, and a driving medium which is driven by a gearbox connected with a driving motor. By functions of the reed, the U-shaped rack and the driving medium, so the head of the fan can do solid swing of three-D space. The elastic force of the reed is used for balancing the weight of the head of the fan. When the fan does three-D swing, the head of the fan can be easily raised without decreasing the rotational speed of air wings. Thus, the size of the structure of the head of the fan does not need to be changed. The characteristic of the three-D swing is suitable to small size and large size fans for obtaining wider wind-engaging areas.

Description

The three-dimensional yaw of a kind of fan

The utility model relates to oscillating fan, refers to that especially a kind of fan head that makes does the three-dimensional swing of three dimensional space, with the three-dimensional yaw of fan of the wind-receiving face that increases Environmental Conditions.

At present, visible on the market electric fan (referring to vertical electric fan especially) for make its air supply direction can and in a big way, a kind of swing structure design that is used for operating its fan head swing is quite universal, as utilize can be directly with the high speed rotating of fan motor through slowing down into the slow-speed of revolution to an output shaft steering gear box or establishing a syncmotor (Synchronons Motor) in addition is used as the ACTIVE CONTROL that turns to etc.No matter and be to reach the action that vertical electric fan head changes pendulum in which way, its common characteristic is that promptly this type of yaw action all is limited to swinging of flatness, make its air supply direction only can be limited on the two dimensional surface, occasion when this will utilize electric fan to make indoor air flows or wind-engaging person be distributed in upper-lower position for some, its effect will be not remarkable.

Therefore, the purpose of this utility model is to provide a kind of fan three-dimensional yaw, and it can make the fan head do the solid swing of three dimensional space, to increase the wind-receiving face of Environmental Conditions.

This reality has another novel purpose to be to provide a kind of fan three-dimensional yaw, and it can dwindle the volume of fan head, thereby the characteristic of three-dimensional swing is applied on the small-sized fans, and simplifies the work of its assembling and maintenance.

According to the three-dimensional yaw of fan of the present utility model, it includes:

One clamshell, it is connected by forward and backward two groups of clamshells and forms, and is provided with a pivot hole in the left and right sides of preceding clamshell;

One U-shaped frame in order to the supports fan head device, its bottom side is provided with a upright rotating shaft, in the two ends, top side, be provided with the pivot in pivot hole, clamshell both sides before can being inserted in addition, the U-shaped frame can be installed in the clamshell outside, and can make clamshell do the swing of upper and lower suitable angle according to pivot;

One in order to hold the fixed base of establishing the U-shaped frame, is the support pedestal of a whole fan assembly, and its top is provided with a bearing that is nested with for the rotating shaft of U-shaped frame bottom side, is provided with the bar post that extends upward in one of bearing side in addition, and is provided with a projection in the end face of bar post;

One in order to rotate the motor apparatus of fan;

One gear-box that is connected with motor apparatus, mainly the fan blade that is installed on the motor spindle in order to drive is rotated, and by one can being subjected to the gear transmission of the upright output shaft end of one of engaging and disengaging gear control to be located at the fluted disc of the driving component of gear-box bottom side in the gear-box, and lower its rotating speed;

One is installed in gear-box bottom side and is seated in reed on the fixed base, one of reed is held on the projection of the bar post that is locked in fixed base, the both sides that fasten projection by the raised line on the reed make its unlikely generation skew, and the end in addition of reed can be done appropriate upper and lower swing when being a ball seat and being subjected to external force, and its elastic force can reset it when external force disappears;

One driving component, there is an axle center to be articulated in the base plate of gear-box, end in addition in the axle center is provided with a fluted disc in addition, fluted disc is meshed with the gear of the output shaft end of gear-box, other is provided with the pivoted pole of a downward extension in the eccentric position of the card of fluted disc, the end of pivoted pole is a spheroid and is placed on the ball seat of above-mentioned reed end, pivoted pole by the eccentric setting of fluted disc is subjected to the spacing phenomenon of reed, when fluted disc is rotated, force output shaft to follow the eccentric rotation of fluted disc and under the cooperation of reed, reach the solid swing that fan is three dimensional space.

To structure of the present utility model, characteristics and advantage are done one and are introduced in detail below in conjunction with accompanying drawing.

In the accompanying drawing:

Fig. 1 is the textural association External view of the utility model.

Fig. 2 is the STRUCTURE DECOMPOSITION figure of the utility model.

Fig. 3 A, B are the micromotion schematic representation of the utility model.

Fig. 4 A, B are the micromotion schematic representation of the utility model.

Fig. 5 A, B are the micromotion schematic representation of the utility model.

Fig. 6 A, B are the micromotion schematic representation of the utility model.

Fig. 7 is the continuous action schematic representation of the utility model.

The structure of the three-dimensional yaw of the utility model fan as shown in Figure 1, main system is installed in gear-box 4, that clamshell 7 inside are connected with motor apparatus 3 in order to the motor apparatus 3 that rotates fan, and is installed in gear-box 4 bottom sides with so that the driving component 5 of fan head portion swing in order to hold the fixed base 2, of establishing U-shaped frame 1 by a U-shaped frame 1 in order to the supports fan head device,, reaches one and is seated on the fixed base 2 in order to balance fan head weight and with reed 6 that driving component 5 interoperations make the fan head do the swing of three dimensional space solid and combines.

Please be simultaneously with reference to Fig. 1 and Fig. 2, its fan clamshell 7 is assembled by preceding clamshell 71 and back clamshell 72, and the pivot 11 of both sides, U-shaped frame 1 top is inserted in before the fan in clamshell 71 upper pivot holes 711, and make its fan head can do the action of the upper and lower swing of suitable angle according to pivot 11; Rotating shaft 12 with the upright setting in one of U type frame 1 bottom is installed on the bearing 21 of fan fixed base 2 in addition, make U-shaped frame 1 can do the left side of appropriateness according to rotating shaft 12, right swing, the reed 6 that one tool elastic force is then arranged as for clamshell 7 inside, one of reed 6 end is locked in the projection 221 on one of fixed base 2 bar post 22, the both sides that fasten projection 221 by the raised line on the reed 6 62 make its unlikely generation skew, and holding in addition of reed 6 can be done on the appropriateness when being subjected to external force, lower swing, its elastic force effect can make it reset when external force disappears, then be the worm gear 41 that one of motor spindle 31 ends worm screw 311 transmissions by motor apparatus 3 are positioned at gear-box 4 inside in addition about the swing mode of fan head and power resources, the axle center of worm gear 41 is provided with one can be subjected to one of engaging and disengaging gear 43 controls upright output shaft 42, be located at fluted disc 51 on one of gear-box 4 bottom sides driving component 5 axle center 511 by gear 421 transmissions of output shaft 42 ends, other is provided with the pivoted pole 52 of a downward extension in the eccentric position of the card of fluted disc 51, the end of pivoted pole 52 is a spheroid 521 and is placed on the ball seat 61 of above-mentioned reed 6 ends, rotate its pivoted pole of going up 52 generation displacements in season by fluted disc 51, because the spacing phenomenon that reed 6 and pivoted pole are 52, reed 6 forced its fan head to do the solid swing of three dimensional space when fluted disc 51 was rotated, wherein reed 6 has the effect of balance fan head weight in addition, make and work as the fan head upwards, when lower swing, can make it upwards by the effect of its elastic force, it is smooth-going that the action of lower swing more is tending towards, and be unlikely to reduce the rotating speed of fan motor.

Fig. 3,4,5,6 movement decomposition figure when doing the three-dimensional swing of continuous three dimensional space for the utility model fan head, as shown in Figure 3, by its plan view can find out pivoted pole 52 on the fluted disc 51 be sitting at directly over the position, motor spindle 31 was the state of level and was partial to the left side in fan front this moment, and when motor spindle 31 is rotated further such as the state that Fig. 4 presented, pivoted pole 52 commentaries on classics on the fluted disc 51 are advanced right-hand, this moment, motor spindle 31 upwards lifted an angle, and be right against in the fan front, and when its motor spindle 31 is rotated further such as the state that Fig. 5 presented, under can finding out that by its plan view pivoted pole 52 on its fluted disc 51 is sitting at, motor spindle 31 was the state of level and was partial to the right side in fan front this moment, and when its motor spindle 31 is rotated further such as the state that Fig. 6 presented, pivoted pole 52 on the fluted disc 51 has changeed in left, this moment, motor spindle 31 was to the bottom one angle, and be right against in the front in fan front, and when motor spindle 31 is rotated further, return the state that presents as Fig. 3, so its fan head of perseveration can be done the three-dimensional swing of three dimensional space as shown in Figure 7.

The structure of Three-D oscillating fan of the present utility model to take up space simply, less makes the fan tool Have outside the function of three-dimensional swing, more applicable on the small-sized fans, for common people provide another kind Fan design for practicality.

Claims

1. the three-dimensional yaw of a fan, it includes:

One clamshell, it is connected by forward and backward two groups of clamshells and forms, and is provided with a pivot hole in the left and right sides of preceding clamshell; It is characterized in that it also includes:

One in order to rotate the motor apparatus of fan;