CN1037122C - Oscillating fan - Google Patents

Abstract

The present invention relates to an oscillating fan which is characterized in that the present invention is provided with a casing and a base, wherein the casing is used for containing fan blades, and the peripheral surface of the casing is in the shape of a spherical surface; the top surface of the base is in the shape of a concave or convex spherical surface. The casing is connected with the base through a supporting disk; the upper end of the supporting disk is connected with the casing in the shape of a spherical surface, the lower end of the supporting disk extends into the base and is connected with the base in a sliding and oscillating mode to be supported on a rotary guide circular disk of an oscillating component in the base; thus, a shaft barrel of the supporting disk can rotate with the guide circular disk, and can rotate backwards in a circular hole on the top surface in the shape of a spherical surface of the base to enable a fan blade shaft to swing along elliptical tracks in axial direction.

Description

Oscillating fan

The present invention relates to a kind of oscillating fan, especially refer to that it is recessed or protruding spherical pedestal that a kind of electric fan has a spherical shell and an end face, by a supporting disk flabellum and spherical shell are held on the guide discs of the swing member in pedestal, drive the oscillating motion that flabellum produces elliptical path.

The tradition oscillating fan is to drive electric fan deflection yaw by the gear train that the fan motor main shaft is told, often hinder because of yaw flabellum shell is subjected to the yaw spatial position, and can not finish smoothly yaw the space angle that should arrive, cause gear train to be sinkd beneath one's burden and collapse tooth.At present, the power source small motor of the yaw parts of electric fan and the main power source motor of fan blade be individual components each other, yet the gear train of a group or a series of complexity is still unavoidably used in transmission, trouble not only is installed, and because of gear train by plastic rubber shaping, intensity difference easily took off tooth or collapses tooth after use a period of time.

The objective of the invention is to provide a kind of oscillating fan, and it can not only reduce the fault of oscillating fan significantly, does not use gear fully, and assembling easily, the saving working hour, enhance productivity.

The object of the present invention is achieved like this: it is made up of shell, pedestal and yaw parts, the motor of ccontaining flabellum and driving flabellum in the shell, and the shell side face is a butt type sphere; Pedestal has a sphere end face identical with spherical outer casing bottom diameter, and end face has circular hole, and stop pin is arranged in the end face between circular hole and base rear wall down; The yaw parts are made up of motor, guide discs, cambered surface guide plate, supporting disk: motor is fixed in the pedestal, and a projection rotating shaft is up arranged; The beam barrel and one that guide discs has extend down one day has the disk body of guiding part, and disk body has the curvature suitable with base top surface, and the rotating shaft of beam barrel and motor can be done rotation synchronously with motor with locating engagement; There is chimeric son in the plate face central authorities of cambered surface guide plate, there is the cambered surface guide groove of side extending its side, the cambered surface guide groove is set on the pedestal inner top surface and dashes forward on the stop pin of establishing, and makes the cambered surface guide groove of cambered surface guide plate can do elliptic revolution slippage along base top surface circular hole periphery inner face under the guiding of stop pin; The beam barrel that supporting disk has a disk body and a center to extend down, disk body is fixed on outer casing bottom, the beam barrel of supporting disk is then pegged graft with orientation type by the embedding hole of base top surface circular hole and cambered surface guide plate and the embedding hole of cambered surface guide plate, guiding part on beam barrel bottom and the guide discs disk body is mutually by holding and engaging, support spherical shell and electric fan, and rotate with guide discs.The end face of pedestal is a concave arc surface.The end face of pedestal is a convex globoidal.The conjugate foramen of cambered surface guide plate has location indentations, and the beam barrel periphery opposite position of supporting disk has positioning convex portion, and both locate chimeric.The guiding part of the disk body on the guide discs has an above guide slot (or guiding fin) and more than one block, and block has recess, to block the beam barrel of supporting disk.It is made up of shell, pedestal and yaw parts by an oscillating fan in addition, ccontaining flabellum and driving fan motor in the shell, and the shell side face is a butt type sphere; Pedestal has a sphere end face identical with spherical outer casing bottom diameter, and end face has circular hole, is equipped with stop pin in the end face between circular hole and base rear wall down; The yaw parts by motor, guide discs, arc lead arm, supporting element is formed: motor is fixed in the pedestal, and a projection rotating shaft is up arranged; The beam barrel and one that guide discs has extend down one day has the disk body of guiding part, and disk body has the curvature suitable with base top surface, and the rotating shaft of beam barrel and motor can be done rotation synchronously with motor with locating engagement; Arc is led arm to be had and makes a horizontally extending arched arm and a cylindrical shell of fixing for stop pin; The beam barrel that supporting element has a disk body and a center to extend down, disk body is fixed on outer casing bottom, and the beam barrel of supporting disk forms a bullport, supply to lead the arched arm of arm by guide supports with the line slip formula, supporting element is slided along the circular on the base top surface, and produce oval pattern oscillating motion, end in contact is on the disk of guide discs under supporting element and the beam barrel, supporting spherical shell and electric fan, and rotate with guide discs.

Because adopt such scheme, the present invention is reasonable in design, simple in structure, easy to manufacture, easy to use, yaw is smooth and easy, safe, reduce the rate of fault of oscillating fan significantly.

The present invention is described in more detail below by accompanying drawing and embodiment.

Fig. 1 is the utility model embodiment 1 schematic appearance.

Fig. 2 is the utility model embodiment 1 exploded view.

Fig. 3 A and Fig. 3 B are two kinds of operating state sectional side views that the utility model embodiment 1 supports diskware.

Fig. 4 A-4C is the utility model embodiment 1 fan swing process figure.

Fig. 5 is theutility model embodiment 2 assembly exploded views.

Fig. 6 is the sectional side view of Fig. 5.

Fig. 7 is that theutility model embodiment 3 assemblies decompose.

Fig. 8 is theutility model embodiment 3 the support disk body and the enlarged view of the restriction tip.

Among the figure: 1 electric fan main body, 2 pedestals, 3 pendulum header body, 11 flabellums, 12 flabellum power motors, 13 shells, through hole at the bottom of 130 shells, 13A fore shell, the 13B back cover, 21 spherical end faces, 21A protrudes end face, 22 circular holes, 23 stop pins, 231 screws, 232 pads, 24 projections, 28 power switches, 29 speed governing buttons, 30 motors, 201 motor shafts, 31 guide discs, 311 beam barrels, 312 blocks, the 312A recess, 313 guide slots (fin), 322 guide grooves, the 322A arm, 322B end edge, 322F front-end edge, the 322L reference number, 322R margo dexter, 324 3 arms

The 324A ball, 32 cambered surface guide plates, 32A arc guid arm, the 321A sleeve, 33 supporting disks, 33A support,33C axle 330A sleeve, 332A dish, 334A arm, 334B boss portion or sphere portion, 335 rectangle bullports, 3351 guide rails, 336A power line inlet, at the bottom of 337 sleeves, 339 elastic elements, 36 fixed plates, 37 bearings, 39 linings.

Referring to Fig. 1: the oscillating fan of the embodiment of the invention 1 mainly comprises-electric fan main body 1 ,-pedestal 2 and-yaw parts 3.

As shown in Figure 2: electric fan main body 1 comprises-flabellum 11,-in order to drive the power source motor 12 of flabellum, and-be the shell 13 of spherical in order to the periphery of holding flabellum 11, shell 13 is chimeric mutually and fix with screw byfore shell 13A andback cover 13B, makes the periphery of front and rear casing become a butt type sphericalsurface body.Pedestal 2 have one with the recessed spherical end face 21 of spherical shell 13 same diameter, there iscircular hole 22 in its central authorities,pedestal 2 inner hollow, in order to accontaining yaw syncmotor 30 and-yaw parts 3,yaw parts 3 are supported inpedestal 2 tops with electric fan main body 1, make electric fan main body 1 produce oval-shaped movement locus.Power switch 28 and speed governing button 29 are arranged in the side ofpedestal 2, control the power supply and the electric fan wind speed of fan motor 12 andyaw syncmotor 30 respectively.

As Fig. 2,3A, shown in the 3B: theyaw parts 3 of electric fan mainly comprise-guide discs 31 ,-camberedsurface guide plate 32 ,-supportingdisk 33 and-motor 30.Motor 30 is fixed in thepedestal 2 by twoprojections 24 and thefixed plate 36 of the downward projection ofpedestal 2 place's end faces, and the rotatingshaft 301 ofmotor 30 through hole on the depression offixed plate 36 passes, andinserts guide discs 31, rotates synchronously with motor 30.A sheathed bearing 37 between thebeam barrel 311 ofguide discs 31 and the center wall offixed plate 36 with the resistance of reducing friction, makes the yaw action more freely.

As shown in Figure 2: the card ofguide discs 31 has 3blocks 312, corresponding guide slot (or fin) 313 at block, in order to supportingdisk 33 thebottom 337 of theaxle 330sleeve 330A that overlapped guide within the recess 312A ofblock 312 and locate, and make fan produce swing.The dish 332 of supportingdisk 33 is the bottoms that are fixed on spherical shell 1, and its 330 footpaths are stretched in thepedestal 2 by thecircular hole 22 of base top surface 21, and the end facecircular hole 22 ofpedestal 2 has lining 39.Haveelastic component 339 in thesleeve 330A (Fig. 3 A), whensleeve 330A is enclosed within the axle of supportingdisk 33 330 the time,elastic element 339 provides the elastic pressure effect betweenaxle 330 andsleeve 330A, thereby thebottom 337 ofsleeve 330A can closely be contacted under the guiding of guide slot or rib 313.Supportingdisk 33 is chimeric being integral with arc-shaped guide plate 32, to avoid rotation slippage situation, thesleeve 330A of theaxle 330 of supportingdisk 33 holds on guidingplate 31 with Placement rotatable and swing, to drive camberedsurface guide plate 32 and supportingdisk 33, make fan produce swing, the stop pin 23 (Fig. 3 A, 3B) of the inner projection downwards ofpedestal 2 end faces passes in theguide groove 322 of camberedsurface guide plate 32, fixes aguide groove 322 on the stop marshland full ofwater weeds 23 withscrew 231 andpad 232 again.The resistance of reducing friction when camberedsurface guide plate 32 is slided in base top surface is provided with prominent point or ball 324A on the free end with three arms 324 of camberedsurface guide plate 32, also can be provided with in that the cambered surface guide groove is terminal, so that the more suitable cunning of flabellum pitching and pendulum angle.Sheathed lining is to adopt plastic cement to make in thecircular hole 22 of the spherical end face 21 ofpedestal 2, spherical shell 1 in order to supporting electric fan main body, tool is in lubrication, can avoid spherical end face 21 frictions of whole casing 1 bottom andpedestal 2, produce big resistance, and share supportingdisk 33 bottoms,circular hole 22 internal diameters ofpedestal 2 end faces 21 are big than the external diameter of theaxle 330 of supportingdisk 33, and the actual relative movement of theguide groove 322 of camberedsurface guide plate 32 is limit by thestop pin 23 ofpedestal 2 inner top surfaces again, make the axial region of supporting disk be able in pedestalcircular hole 22, freely turn round, make theend 337 ofsleeve 330A can not skid off outside theguide discs face 31, the user can swing the yaw position arbitrarily from the electric fan shell, snaps in automatically within the block recess 312A by the guiding of guide slot 313 andblock 312 again.

For the power supply that makes electric fan can still can keep power supply under supportingdisk 33 actions, the axle bottom dresspower line inlet 336 of supportingdisk 33 is communicated with the axis hole ofaxle 330, so that the power line ofpedestal 2 inside through enter themouth 336, the axis hole ofaxle 330, through electric fan outer casing bottom throughhole 130, pass on the fan motor 12 again.

Shown in Fig. 4 A: when thebottom 337 ofsleeve 330A is led to byguide discs 31 centers in theblock 312 recess 312A of its peripheral position, the state of its situation shown in Fig. 3 B is identical, 337 just skews backwards at the bottom of the supporting disk with the rotation ofguide discs 31, at this moment, supporting disk moves to maximum distance apart backward together with camberedsurface guide plate 32, the guidegroove leading edge 322F that makes camberedsurface guide plate 32 is by being held on thepedestal projection 23, and concerned along the guiding in thelining 39 that leans against base bottom surfacecircular hole 22 by theaxle 330 of supporting disk, make supportingdisk bottom 337 be limited in week going up operation in theguide discs 31, see the state shown in Fig. 3 B, fan thereby generation are leaned forward and are rotated yaw deflection, are equivalent to the aft terminal of oscillating fan motion elliptical path major axis.Equally, when fan remains in operation, just 337 change by turning to backwards towards left avertence with the rotation ofguide discs 31 at the bottom of the supporting disk, shown in Fig. 4 C, at this moment, supporting disk is offset left together with camberedsurface guide plate 32; Guide groove margo dexter 322R is by being held inpedestal projection 23, make at the bottom of the supportingdisk 337 to be able to trouble-free operation to the left position ofguide discs 31, make fan drum towards left yaw deflection, shown in Fig. 4 C dotted line, its trace is equivalent to the left end point of electric fan elliptical trajectory minor axis, equally, when fan remains in operation, 337 rotations withguide discs 31 are offset (Fig. 4 B) forward by turning to towards a left side at the bottom of the supporting disk, at this moment, supporting disk is offset to maximum distance apart forward together with camberedsurface guide plate 32, make guidegroove trailing edge 322B by being held on thepedestal projection 23, make at the bottom of the supportingdisk 337 to be able to trouble-free operation to the front position ofguide discs 31, make fan drum towards hypsokinesis, yaw deflection (Fig. 4 B), its conduct is equivalent to the forward terminal of electric fan elliptic motion trace major axis.In like manner, 337 move (Fig. 4 C imaginary line) with the rotation ofguide discs 31 by turning to towards right avertence forward again at the bottom of the supporting disk, at this moment, supporting disk is offset to maximum distance apart to the right together with camberedsurface guide plate 32, make guide grooveleft border 322L by being held inpedestal projection 23, make at the bottom of the supporting disk on the 337 front end operation right end position that are able to byguide discs 31, make fan drum towards right yaw deflection (Fig. 4 C right-hand point imaginary line).So go round and begin again, utilize theguide groove 322 of cambered surface guide plate and the configuration ofpedestal projection 23 will limit the fan amplitude of oscillation, make it ovalize movement locus yaw.Again because the circular hole of base top surface footpath is big than supporting disk beam barrel external diameter, and the diameter ofguide discs 31 the beam barrel external diameter far beyond supportingdisk 33 is big again, so supportingdisk 33 can freely turn round in guide discs, and can not break away from.

In Fig. 5,6 illustratedembodiments 2; Its constituent elements is substantially the same manner as Example 1, and difference is thatpedestal 2 has one to protrude end face 21A, and camberedsurface guide plate 32 andguide discs 31 be the relative body that instead protrudes with the variation of protruding end face 21A, and so its working condition is identical with embodiment 1, and explanation is omitted.

In Fig. 7,8 illustratedembodiments 3; Its structure andembodiment 2 are similar, replace supportingdisk 33 and camberedsurface guide plate 32 with supportingelement 33A andarc guid arm 32A,guid arm 32A is a horizontal-extendingarm 322A and asleeve 321A, rotatably to be fixed on thestop pin 23, supportingelement 33A has adish 332A and a 330A, establisheselectric wire inlet 336 on theaxle 330A, use for wearing electric wire, supportingelement 33A is provided with twoarm 334A again, and the axle of supportingelement 33A extends toward both sides, and the effect of itsarm 334A is identical withembodiment 2 arm 324.Theaxle 330A of supportingelement 33A hasrectangle bullport 335, do the guiding of sliding type betwixt for thearm 322A ofarc guid arm 32A, set boss portion or the 334B of sphere portion withembodiment 2 are arranged on thearm 334A of supportingelement 33A, the width ofbullport 335 is big than the width of thearm 322A ofarc guid arm 32A, both sides respectively are provided withcorresponding guide rail 3351 in thebullport 335, therefore, supportingelement 33A can be guidedarm 33A guiding more smoothly, thebottom 337 of supportingelement 33A is as embodiment 1 situation, contact with the guiding rib (or ditch) 313 ofguide discs 31, whenguide discs 31 is rotated formotor 30 drives, thebottom 337 of supportingelement 33A is guided by most guiding ribs or ditch 313, and apalm part 33A is guided byguid arm 32A, thereby produces yaw action as the aforementioned.The generation of the yaw action of present embodiment is identical substantially with the guidance means of embodiment 1stop pin 23 and guide slot 322.Difference is thatbullport 335 that present embodiment adopts supportingelement 33A andguid arm 32A are as guidance means.

Claims (6)

1, a kind of oscillating fan, it is made up of shell, pedestal and yaw parts, and the motor of ccontaining flabellum and driving flabellum in the shell is characterized in that:

A, shell side face are a butt type sphere;

B, pedestal have a sphere end face identical with spherical outer casing bottom diameter, and end face has circular hole, and stop pin is arranged in the end face between circular hole and base rear wall down;

C, yaw parts are made up of motor, guide discs, cambered surface guide plate, supporting disk: motor is fixed in the pedestal, and a projection rotating shaft is up arranged; The beam barrel and one that guide discs has extend down one day has the disk body of guiding part, and disk body has the curvature suitable with base top surface, and the rotating shaft of beam barrel and motor can be done rotation synchronously with motor with locating engagement; There is embedding hole in the plate face central authorities of cambered surface guide plate, there is the cambered surface guide groove of side extending its side, the cambered surface guide groove is set on the pedestal inner top surface and dashes forward on the stop pin of establishing, and makes the cambered surface guide groove of cambered surface guide plate can do elliptic revolution slippage along base top surface circular hole periphery inner face under the guiding of stop pin; The beam barrel that supporting disk has a disk body and a center to extend down, disk body is fixed on outer casing bottom, the beam barrel of supporting disk is then pegged graft with orientation type by the embedding hole of base top surface circular hole and cambered surface guide plate and the embedding hole of cambered surface guide plate, guiding part on beam barrel bottom and the guide discs disk body is mutually by holding and engaging, support spherical shell and electric fan, and rotate with guide discs.

2, oscillating fan as claimed in claim 1, the end face that it is characterized in that pedestal is a concave arc surface.

3, oscillating fan as claimed in claim 1, the end face that it is characterized in that pedestal is a convex globoidal.

4, oscillating fan as claimed in claim 1 is characterized in that the conjugate foramen of cambered surface guide plate has location indentations, and the beam barrel periphery opposite position of supporting disk has positioning convex portion, and both locate chimeric.

5, oscillating fan as claimed in claim 1 is characterized in that the guiding part of the disk body on the guide discs has an above guide slot (or guiding fin) and more than one block, and block has recess, to block the beam barrel of supporting disk.

6, a kind of oscillating fan, it is made up of shell, pedestal and yaw parts, and the motor of ccontaining flabellum and driving flabellum in the shell is characterized in that:

A, shell side face are a butt type sphere;

B, pedestal have a sphere end face identical with spherical outer casing bottom diameter, and end face has circular hole, is equipped with stop pin in the end face between circular hole and base rear wall down;

C, yaw parts by motor, guide discs, arc lead arm, supporting element is formed: motor is fixed in the pedestal, and a projection rotating shaft is up arranged; The beam barrel and one that guide discs has extend down one day has the disk body of guiding part, and disk body has the curvature suitable with base top surface, and the rotating shaft of beam barrel and motor can be done rotation synchronously with motor with locating engagement; Arc is led arm to be had and makes a horizontally extending arched arm and a cylindrical shell of fixing for stop pin; The beam barrel that supporting element has a disk body and a center to extend down, disk body is fixed on outer casing bottom, and the beam barrel of supporting disk forms a bullport, supply to lead the arched arm of arm by guide supports with the line slip formula, supporting element is slided along the circular on the base top surface, and produce oval pattern oscillating motion, end in contact is on the disk of guide discs under supporting element and the beam barrel, supporting spherical shell and electric fan, and rotate with guide discs.

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