CN1037122C

CN1037122C - Oscillating fan

Info

Publication number: CN1037122C
Application number: CN94104856A
Authority: CN
Inventors: 陈正和
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-05-07
Filing date: 1994-05-07
Publication date: 1998-01-21
Anticipated expiration: 2014-05-07
Also published as: CN1096571A

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 the utility model embodiment 2 assembly exploded views.

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

Fig. 7 is that the utility model embodiment 3 assemblies decompose.

Fig. 8 is the utility 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 by fore shell 13A and back cover 13B, makes the periphery of front and rear casing become a butt type spherical surface body.Pedestal 2 have one with the recessed spherical end face 21 of spherical shell 13 same diameter, there is circular hole 22 in its central authorities, pedestal 2 inner hollow, in order to a ccontaining yaw syncmotor 30 and-yaw parts 3, yaw parts 3 are supported in pedestal 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 of pedestal 2, control the power supply and the electric fan wind speed of fan motor 12 and yaw syncmotor 30 respectively.

As Fig. 2,3A, shown in the 3B: the yaw parts 3 of electric fan mainly comprise-guide discs 31 ,-cambered surface guide plate 32 ,-supporting disk 33 and-motor 30.Motor 30 is fixed in the pedestal 2 by two projections 24 and the fixed plate 36 of the downward projection of pedestal 2 place's end faces, and the rotating shaft 301 of motor 30 through hole on the depression of fixed plate 36 passes, and inserts guide discs 31, rotates synchronously with motor 30.A sheathed bearing 37 between the beam barrel 311 of guide discs 31 and the center wall of fixed plate 36 with the resistance of reducing friction, makes the yaw action more freely.

As shown in Figure 2: the card of guide discs 31 has 3 blocks 312, corresponding guide slot (or fin) 313 at block, in order to supporting disk 33 the bottom 337 of the axle 330 sleeve 330A that overlapped guide within the recess 312A of block 312 and locate, and make fan produce swing.The dish 332 of supporting disk 33 is the bottoms that are fixed on spherical shell 1, and its 330 footpaths are stretched in the pedestal 2 by the circular hole 22 of base top surface 21, and the end face circular hole 22 of pedestal 2 has lining 39.Have elastic component 339 in the sleeve 330A (Fig. 3 A), when sleeve 330A is enclosed within the axle of supporting disk 33 330 the time, elastic element 339 provides the elastic pressure effect between axle 330 and sleeve 330A, thereby the bottom 337 of sleeve 330A can closely be contacted under the guiding of guide slot or rib 313.Supporting disk 33 is chimeric being integral with arc-shaped guide plate 32, to avoid rotation slippage situation, the sleeve 330A of the axle 330 of supporting disk 33 holds on guiding plate 31 with Placement rotatable and swing, to drive cambered surface guide plate 32 and supporting disk 33, make fan produce swing, the stop pin 23 (Fig. 3 A, 3B) of the inner projection downwards of pedestal 2 end faces passes in the guide groove 322 of cambered surface guide plate 32, fixes a guide groove 322 on the stop marshland full of water weeds 23 with screw 231 and pad 232 again.The resistance of reducing friction when cambered surface 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 cambered surface 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 the circular hole 22 of the spherical end face 21 of pedestal 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 and pedestal 2, produce big resistance, and share supporting disk 33 bottoms, circular hole 22 internal diameters of pedestal 2 end faces 21 are big than the external diameter of the axle 330 of supporting disk 33, and the actual relative movement of the guide groove 322 of cambered surface guide plate 32 is limit by the stop pin 23 of pedestal 2 inner top surfaces again, make the axial region of supporting disk be able in pedestal circular hole 22, freely turn round, make the end 337 of sleeve 330A can not skid off outside the guide 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 and block 312 again.

For the power supply that makes electric fan can still can keep power supply under supporting disk 33 actions, the axle bottom dress power line inlet 336 of supporting disk 33 is communicated with the axis hole of axle 330, so that the power line of pedestal 2 inside through enter the mouth 336, the axis hole of axle 330, through electric fan outer casing bottom through hole 130, pass on the fan motor 12 again.

Shown in Fig. 4 A: when the bottom 337 of sleeve 330A is led to by guide discs 31 centers in the block 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 of guide discs 31, at this moment, supporting disk moves to maximum distance apart backward together with cambered surface guide plate 32, the guide groove leading edge 322F that makes cambered surface guide plate 32 is by being held on the pedestal projection 23, and concerned along the guiding in the lining 39 that leans against base bottom surface circular hole 22 by the axle 330 of supporting disk, make supporting disk bottom 337 be limited in week going up operation in the guide 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 of guide discs 31 at the bottom of the supporting disk, shown in Fig. 4 C, at this moment, supporting disk is offset left together with cambered surface guide plate 32; Guide groove margo dexter 322R is by being held in pedestal projection 23, make at the bottom of the supporting disk 337 to be able to trouble-free operation to the left position of guide 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 with guide 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 cambered surface guide plate 32, make guide groove trailing edge 322B by being held on the pedestal projection 23, make at the bottom of the supporting disk 337 to be able to trouble-free operation to the front position of guide 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 of guide 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 cambered surface guide plate 32, make guide groove left border 322L by being held in pedestal projection 23, make at the bottom of the supporting disk on the 337 front end operation right end position that are able to by guide discs 31, make fan drum towards right yaw deflection (Fig. 4 C right-hand point imaginary line).So go round and begin again, utilize the guide groove 322 of cambered surface guide plate and the configuration of pedestal 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 of guide discs 31 the beam barrel external diameter far beyond supporting disk 33 is big again, so supporting disk 33 can freely turn round in guide discs, and can not break away from.

In Fig. 5,6 illustrated embodiments 2; Its constituent elements is substantially the same manner as Example 1, and difference is that pedestal 2 has one to protrude end face 21A, and cambered surface guide plate 32 and guide 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 illustrated embodiments 3; Its structure and embodiment 2 are similar, replace supporting disk 33 and cambered surface guide plate 32 with supporting element 33A and arc guid arm 32A, guid arm 32A is a horizontal-extending arm 322A and a sleeve 321A, rotatably to be fixed on the stop pin 23, supporting element 33A has a dish 332A and a 330A, establishes electric wire inlet 336 on the axle 330A, use for wearing electric wire, supporting element 33A is provided with two arm 334A again, and the axle of supporting element 33A extends toward both sides, and the effect of its arm 334A is identical with embodiment 2 arm 324.The axle 330A of supporting element 33A has rectangle bullport 335, do the guiding of sliding type betwixt for the arm 322A of arc guid arm 32A, set boss portion or the 334B of sphere portion with embodiment 2 are arranged on the arm 334A of supporting element 33A, the width of bullport 335 is big than the width of the arm 322A of arc guid arm 32A, both sides respectively are provided with corresponding guide rail 3351 in the bullport 335, therefore, supporting element 33A can be guided arm 33A guiding more smoothly, the bottom 337 of supporting element 33A is as embodiment 1 situation, contact with the guiding rib (or ditch) 313 of guide discs 31, when guide discs 31 is rotated for motor 30 drives, the bottom 337 of supporting element 33A is guided by most guiding ribs or ditch 313, and a palm part 33A is guided by guid 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 1 stop pin 23 and guide slot 322.Difference is that bullport 335 that present embodiment adopts supporting element 33A and guid arm 32A are as guidance means.

Claims

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.