CN2200713Y

CN2200713Y - Fan steroscopic pendulum head

Info

Publication number: CN2200713Y
Application number: CN 94224236
Authority: CN
Inventors: 邵世钦
Original assignee: Yatai Household Electrical Equipment Co ltd
Current assignee: Yatai Household Electrical Equipment Co ltd
Priority date: 1994-07-14
Filing date: 1994-07-14
Publication date: 1995-06-14
Anticipated expiration: 2004-07-14

Abstract

The utility model relates to a stereoscopic fan pendulum head, which comprises a U-shaped rack which is pivoted with both sides of a back cover of a motor, wherein, the lower part of the U-shaped rack is movably sheathed with a fixed leg, and the entire head of the fan can respectively swing up and down and right and left by the supporting of two positions. At the same time, the place between an output shaft and a fixed leg under a gearbox behind the back cover of the motor is connected with a set of linked members composed of revolving members and swing members. The rotary motion of the revolving members is driven by the output shaft to pull the swing members at a proper radius. Thus, because the fixed leg which is pivoted on one end of each of the swing members is fixed, and thus all the using relative motions are formed at the pivoting part. Therefore, the head of the fan can have the effect of swinging in a stereoscopic three-dimensional space.

Description

Fan steroscopic pendulum head

The utility model relates to the three-dimensional yaw of a kind of fan, system is by solid on the both sides leg of a U-shaped frame with its motor back cover pivot of fan motor, and the output shaft of its steering gear box is connected member by one group suitably be connected with the live fixing column of solid pivots joint of this U-shaped frame lower end, enable the three-dimensional yaw that rotation with this steering gear box output shaft is converted into a kind of fan and move.

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 yaw structural 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 steering gear box of the slow-speed of revolution to an output shaft, or establish a syncmotor (Synchronous Motor) with other and come as the ACTIVE CONTROL that turns to or the like mode, but still occupy the majority on the market at present with the former use, and, reach the action that vertical electric fan head changes pendulum in which way no matter be, its common feature 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, this will utilize electric fan to blow for some and make indoor air flows, or the wind-engaging person is distributed in the occasion when the next, become and can only drive local indoor air or only have a minority to be subjected to the wind benefit, its effect will be not remarkable.

Edge is that the inventor produces and produces the conception that a kind of electric fan head can have three-dimensional swing effect.

Main purpose of the present utility model provides the three-dimensional yaw of a fan, by the mechanical member that connects the three-dimensional yaw action of the fan that becomes a kind of tool smoothness is rotated in the spinning movement of steering gear box output, and this calls three-dimensional yaw action with comprehensive with knee-action about double including, so that air supply direction can reach among wider three dimensional space.

The three-dimensional yaw of a kind of fan that provides according to the utility model, the owner will be used to drive the motor part of flabellum rotation by the action of steering gear box control yaw at the electric fan head, major control partly contain a U-shaped frame, a fixing column, and one group be connected in the rotary output axis of steering gear box and the company's member between the fixing column is formed, wherein

Two curved on motor back cover two side-lines and this U-shaped frame leg horizontal pivots are solid, make the electric fan head that is connected with motor form the action of nodding up and down according to this pivot-connecting position, hold then under the U-shaped frame that kink is articulated in fixing column, making can be according to change pendulum around about fixing column according to the electric fan head that is fixed in the U-shaped frame;

This group connects member system and comprises a rotating component that is connected to output shaft under the steering gear box, an and swing part, and this swing part one end system is level with the fixing column upper end and articulates, and its other end then is articulated on the suitable turning radius of rotating component;

According to last formation, output shaft rotation when steering gear box, drive rotating component and do rotation completely, and comply with its spinning movement and suitably tearing swing part on the radius, so, because with the fixing column of swing part one end pivot joint for maintaining static, and then will make all relatively action be formed at the three-dimensional yaw that each pivot-connecting position reaches the electric fan head.

The three-dimensional yaw of a fan that provides according to the utility model, wherein the pivot-connecting position of this swing part one end and the suitable radius of rotating component should be a ball bearing structure, with the angle variation of its pivot-connecting position when the yaw that diminish.

The three-dimensional yaw of the fan that provides according to the utility model, wherein there is the pressure accumulation spring of a suitable shape to be installed between U-shaped frame and the motor, its pressure accumulation direction is lifted on the electric fan head for ordering about, make the yaw action more smooth and easy with the deadweight that absorbs the electric fan head.

The three-dimensional yaw of the fan that provides according to the utility model, the structure that wherein is contained in the fan motor part is overlapped by an outer fore shell and outer back cover to cover, should be outer must have a breach below back cover and be beneficial to extending of export structure under fixing column and the associated electrical alignment, and the big palpulus of this breach produces to interfere with not with the action of three-dimensional yaw the time and is advisable, in addition, partly be provided with one in fixing column and have suitably curved backward backboard of analysing shape, and one front screen is set by suitable position in the outer fore shell, electric fan is pressed down before and after it in range, and the part of exposing before and after being produced by outer back cover below notch part branch can be covered by this two baffle plate.

Below, can further understand the formation of the utility model for making the auditor, and the practical structures of the utility model is done an elaboration with the characteristics of not stating clearly, the spy provides a preferred embodiment and diagram, after being described in more detail in, sincerely sees also.

The planar side view of vertical electric fan head is commonly used by Fig. 1 system.

Fig. 2 (A) (B) (C) commonly uses in the electric fan, controls the action schematic representation of its hunt structure.

Fig. 3 is one of a utility model electric fan head preferred embodiment side view.

Fig. 4 system originates from the A-A sectional drawing of Fig. 3.

Fig. 5 (A) is the action schematic representation that company's member of control the utility model electric fan yaw partly amplifies (B).

Fig. 6 is the state that shows that the utility model electric fan head dips down.

Fig. 7 shows that the utility model electric fan head is to the state of facing upward.

Fig. 8 system is by the state of the three-dimensional yaw of top view the utility model electric fan.

Before explanation the utility model feature, please foreknowledge by the electric fan head side view of commonly using shown in Figure 1, by the structure that fan focuses on motor M part of commonly using shown in the figure, extend a motor pillar M2 by this motor fore shell M1 below and support whole motor M, meet a steering gear box B by motor back cover M3 rear in addition, this steering gear box B can export the high rotating speed in motor M axle center downwards by its output shaft B1 after slowing down into the slow-speed of revolution, and at the pivot joint one rocking bar B2 of this output shaft B1 lower shaft end elder generation, this rocking bar B2 the other end articulates with a connecting rod B3 again, at last, the other end of this connecting rod B3 articulated be connected in one and be positioned at the other guide pillar B4 of motor pillar M2 and go up (drawing dotted line those shown), in view of the above, form a kind of structure of four heart members, its action as shown in Figure 2, wherein, with the position of motor post M2 and guide pillar B4 for maintaining static, then when the output shaft B1 of steering gear box drive rocker B2 rotates, because of can causing it, the continuous action relation between each member produces relative movement, change pendulum about the electric fan head and make, the part of being painted with solid line among Fig. 2 (A) is initial earlier, when rocking bar B2 such as the direction of arrow rotate to the imaginary line state, represent the center line C of fan cephalad direction promptly can go to the left side around motor pillar M2, at this moment, represent that in fact the electric fan head blows to the right, and Fig. 2 (B) is to show its ensuing action (C), its mode please be according to real, the direction that dotted line changes is observed, can find, as long as output shaft B1 constantly rotates, this four hearts member will produce wobble cycle in certain left and right sides scope, make electric fan yaw automatically.Yet this kind yaw mode is just as discussed previously to be a kind of air-supply of two dimensional surface, can not reach the purpose that the utility model requires the 3 D stereo air-supply.

The utility model one preferred embodiment is asked for an interview shown in Figure 3, and it is in the different of company's member of being connected with in the support pattern of motor M and by the output shaft B1 lower shaft end of steering gear box B with commonly use fan structure different shown in Figure 1.Wherein, the support of motor M is that mat one U-shaped frame 1 articulates, cooperate shown in Figure 4, two legs that had by this U-shaped frame 1 and the both sides of motor back cover M3 articulate with screw 11 levels, making whole motor M(meaning is whole electric fan head) can do the action of nodding up and down according to the screw 11 of U-shaped frame both sides, U-shaped frame 1 lower end then kink pivot is fixed on the fixing column 2, and making can be according to swinging around fixing column 2 according to the electric fan head that is fixed in U-shaped frame 1; In addition, output shaft B1 lower shaft by steering gear box B is connected to a rotating component 3, and by articulating with one of swing part 4 end on the rotating component 3 suitable turning radius, and make the other end of this swing part 4 and fixing column 2 upper ends also be the horizontal mode pivot joint, furtherly, rotating component 3 can be made a disc or fan-shaped in the present embodiment, swing part 4 then is the bridge-type bar connection member of a tool tee section, can be coupling with a latch 22 levels by the back with inverted T-shaped shape 21 covers of fixing column 2 upper ends, formation in view of the above, when the output shaft B1 of steering gear box B drives rotating component 3 rotations, then suitably tearing swing part 4 on the radius by its spinning movement, so, because with the fixing column 2 of swing part 4 one end pivot joints for maintaining static, and then will make all relatively action be formed at the three-dimensional yaw that each pivot-connecting position reaches the electric fan head.

Above-mentioned action can be explained by Fig. 3 earlier, aspect shown in Figure 3 system show that electric fan head air supply direction just becomes level but deflection to a side, and this deflection direction can't be discovered by the planar side view of Fig. 3, please cooperate Fig. 5 (A) to be shown as under Fig. 3 state to amplify its plane that connects the member part and face and top view, at first, must understand fixing column 2 for maintaining static, and the swing part 4 of level pivot joint only can be done up and down with it, then the system of the distance D between rotating center of rotating component 3 (being the position at output shaft B1 place) and fixing column 2 centers is by the turning radius R and the decision of swing part 4 length of rotating component 3, that is to say, when rotating component 3 rotations, itself and swing part 4 length determine, that is to say, when rotating component 3 rotations, the position of itself and swing part 4 pivot-connecting positions 31 promptly produces the variation on the circumferential path, and then can cause the increase and decrease of two centre distance D, and, represent the direction of the center line C of electric fan cephalad direction to change; Wherein, the direction of center line C has promptly been represented turning to about the electric fan head, and, it but is the factor that decision electric fan head swings up and down that two centre distance D change, in the top view of Fig. 5 (A) example, its pivot-connecting position 31 and output shaft B1 just form the angle vertical with swing part 4, at this moment, center line C produces with swing part 4 directions and has angle, represent the electric fan head just being flapped toward a side, and by in its front view, two centre distance D just allow swing part 3 present level angle, expression electric fan cephalad direction just is being a level, if this moment, rotating component 3 was rotated counterclockwise 90 degree, to become the state shown in Fig. 5 (B), show by its top view, because of turning 90 degrees pivot-connecting position 31, back, output shaft B1, fixing column 2 centers and swing part 4 are just in line, that is to say so rotate, the position of output shaft B1 is moved (swing part 4 in the top view keeps level always), and then the center line C that causes the fan head position of putting back forward, simultaneously, this spinning movement also makes the more preceding figure of two centre distance D be depicted as growth, see it by its front view, the phenomenon that this centre distance D increases, and then will be absorbed by the inclination that swing part 4 produces, promptly this moment, the electric fan cephalad direction tilted meaning downward; The state of the shown electric fan head that goes out of Fig. 5 (B) is just for shown in Figure 6, if by output shaft B1 among Fig. 6, the Delta Region that latch 22 and screw 11 are divided is observed, the distance of screw 11 to output shaft B1 and screw 11 to latch 22 is for immobilizing, and will be increased and decreased because of the rotation of rotating component 3 as described above by the centre distance D of latch 22 to output shaft B1 representative, for example swing part 3 is when Rotate 180 is spent again, form state as Fig. 7, its centre distance D is shortened, so the angle of delta-shaped region changes, and this changes and can be absorbed by the pivot points of screw 11 with latch 22, and formation electric fan head becomes upwards and lifts.In each pivot points, especially must pay special attention to the rotating component 3 and the pivot-connecting position 31 of swing part 4, (B) observe this pivot-connecting position 31 with Fig. 5 (A), when the yaw process, this pivot-connecting position will have the generation of angle slightly, therefore be preferably in this pivot-connecting position 31 and adopt a ball bearing structure, the angle of pivot-connecting position 31 when the yaw changes to diminish.

Above stated specification system swings constituting in the mechanism and the action of nodding up and down separates explanation, yet in fact its action but is produced simultaneously, if by the electric fan front, overlap action during its three-dimensional yaw is visible as Fig. 8, carries out with stroke W1, the W2 shown in the arrow in scheming, W3, W4 direction.

The action of point up and down when considering the swing of electric fan head solid, because of electric fan head itself promptly contains a deadweight, and whole motor driven fan head is to be articulated by its motor back cover M3 and U-shaped frame 1 both sides, please cooperate shown in Fig. 3,4, so when imagining that this electric fan head will be implied with the trend of nodding downwards under nature, and can make yaw when action produce the state that has some setbacks, for example in action shown in Figure 8, make stroke W2, W3 very fast and stroke W4, W1 are slower.Therefore, the inventor specially is provided with the pressure accumulation spring 5 of a suitable shape between U-shaped frame 1 and motor back cover M3, the direction of its pressure accumulation is lifted on the electric fan head for ordering about, so its elastic force must be advisable with the deadweight of electric fan head is similar, use the deadweight that absorbs the electric fan head in advance and make the yaw moving part more smooth and easy.

In addition, the utility model electric fan head the outside of motor M by one outside fore shell 6 with outside back cover 7 overlap and cover, to avoid the staff touching, and the below of back cover 7 extends downwards because of being beneficial to structures such as fixing column 2 and relevant electric wire outside, so must leave breach 71 shapes relatively, and the size of this breach 71 must be advisable with dependency structure generation interference when three-dimensional yaw moves, therefore, when electric fan portion nods up and down, its breach 71 will form the bigger state that appears in front and back, therefore, inventor spy is that fixing column 2 parts are provided with one and have backward the suitably backboard 72 of bending shape, reach by suitable positions in the outer fore shell 6 one front screen 61 is set, electric fan is faced upward in the range before and after it, and the part of exposing before and after its outer back cover 7 below breach 71 produce can be by this two

baffle plate

72,61 cover.

To sum up explanation as can be known, the electric fan yaw design that the three-dimensional yaw of the utility model fan is a kind of innovation, the blowing scope of its swing can be reached in wider three dimensional space, and the deadweight of the utility model and fan head that this three-dimensional yaw action is met with, the technology that solution partly is provided that may be exposed when reaching swing, make the practicability and the Security distribution more of creation, and the technology contents that is disclosed had reached already with the dealer and can implement, only the above only is one of the utility model preferred embodiment, be not for limiting inventor's mode of execution, the actual change of the utility model or delete and repair and should not break away from following claim.

Claims

1, the three-dimensional yaw of a kind of fan, the owner will be used to drive the motor part of flabellum rotation by the action of steering gear box control yaw at the electric fan head, major control partly contain a U-shaped frame, a fixing column, and one group be connected in the rotary output axis of steering gear box and the company's member between the fixing column is formed, wherein

According to last formation, output rotation when steering gear box, drive rotating component and do rotation completely, and comply with its spinning movement and suitably tearing swing part on the radius, so, because with the fixing column of swing part one end pivot joint for maintaining static, and then will make all relatively action be formed at the three-dimensional yaw that each pivot-connecting position reaches the electric fan head.

2, in the three-dimensional yaw of fan according to claim 1, it is characterized in that the pivot-connecting position of this swing part one end and the suitable radius of rotating component should be a ball bearing structure, with the angle variation of its pivot-connecting position when the yaw that diminish.

3, in the three-dimensional yaw of fan according to claim 1, it is characterized in that having the pressure accumulation spring of a suitable shape to be installed between U-shaped frame and the motor, its pressure accumulation direction is lifted on the electric fan head for ordering about, make the yaw action more smooth and easy with the deadweight that absorbs the electric fan head.

4, the three-dimensional yaw of fan according to claim 1, it is characterized in that the structure that is contained in the fan motor part is overlapped by an outer fore shell and outer back cover to cover, should be outer must have a breach below back cover and be beneficial to extending of export structure under fixing column and the associated electrical alignment, and the big palpulus of this breach produces to interfere with not with the action of three-dimensional yaw the time and is advisable, in addition, partly be provided with one in fixing column and have suitably curved backward backboard of analysing shape, and one front screen is set by suitable position in the outer fore shell, electric fan is pressed down before and after it in range, and the part of exposing before and after being produced by outer back cover below notch part branch can be covered by this two baffle plate.