CN103195692B

CN103195692B - Fan

Info

Publication number: CN103195692B
Application number: CN201310155291.7A
Authority: CN
Inventors: 任文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-04-30
Filing date: 2013-04-30
Publication date: 2016-05-18
Anticipated expiration: 2033-04-30
Also published as: CN103195692A

Abstract

A kind of fan, it comprises syncmotor, pedestal and is positioned at the nozzle on pedestal, one in pedestal and nozzle comprises rotating shaft, another in pedestal and nozzle comprises axle sleeve, wherein, rotating shaft is arranged in axle sleeve, and nozzle can swing with respect to pedestal under the driving of syncmotor.

Description

Fan

Technical field

The present invention relates to a kind of fan. Especially, but not in exclusive manner, the present invention relates to a kind of domestic fan, as familyWith desk fan, for increasing air circulation and Air Flow in indoor, office and other environment.

Background technology

On January 16th, 2013 Granted publication number be CN202673799U Chinese granted patent (application number:201220152845.9) disclose a kind of fan that does not expose fan blade, this kind of fan comprises the ring setting gradually from top to bottomShape nozzle, pedestal, rotating base and fixed underpan, described nozzle ring, pedestal and rotating base are installed as one, described rotationBase also can relatively rotate with the coaxial setting of fixed underpan, is provided with syncmotor, described synchronous horse on described rotating baseThe output reaching is connected with Knucle-gear, is provided with the sector gear being meshed with Knucle-gear on described fixed underpan.

When this kind of fan carries out rotation work, the required driving power of syncmotor is larger, particularly at the volume of pedestalAll the more so when larger with weight.

Summary of the invention

The present invention aims to provide a kind of improved fan. This kind of fan, is characterized in that, described fan comprises synchronous horseReach, pedestal and be positioned at the nozzle on described pedestal, one in described pedestal and described nozzle comprises rotating shaft, described pedestal and instituteState another in nozzle and comprise axle sleeve, wherein, described rotating shaft is arranged in described axle sleeve, and described nozzle can be described synchronous horseUnder the driving reaching, rotate with respect to described pedestal.

In this kind of fan, nozzle can rotate to change the air-out of nozzle under the driving of syncmotor with respect to pedestalDirection. Due to the only nozzle segment of drive fan of syncmotor of this kind of fan, instead of drive spray nozzle part of the prior artPoint and the main part of pedestal, therefore the required driving power of its syncmotor is less; In addition, the nozzle of this kind of fan rotatesTime, pedestal, in transfixion, is conducive to placement and the safe handling of fan.

Preferably, described nozzle comprises rolling disc, and described pedestal comprises fixed disk, in described rolling disc and described fixed diskOne comprise described rotating shaft and multiple through hole, another in described rolling disc and described fixed disk comprises described axle sleeve and manyIndividual through hole.

Described rotating shaft is preferably located in the central authorities of fixed disk or rolling disc, and described axle sleeve is preferably located in rolling disc or fixingThe central authorities of dish.

In a preferred embodiment, described nozzle comprises the rolling disc with described rotating shaft and multiple through holes, described inPedestal comprises the fixed disk with described axle sleeve and multiple through holes.

In another preferred embodiment, described nozzle comprises the rolling disc with described axle sleeve and multiple through holes, instituteState pedestal and comprise the fixed disk with described rotating shaft and multiple through holes.

Preferably, described fan also comprises spacing for what stop described rotating shaft to move axially with respect to described axle sleevePart. Adopt locating part, be conducive to prevent nozzle and pedestal disengagement, be conducive to integrated moving or the carrying of fan.

Described locating part comprises screw, nut and fastener. Described fastener comprises snap ring and card pin. Described locating part preferablyBe connected with described rotating shaft.

In a preferred embodiment, described locating part comprises fastener, and described rotating shaft comprises the card mating with this fastenerGroove.

In another preferred embodiment, described locating part comprises fastener, and described rotating shaft comprises mates with this fastenerHole clipping.

In yet another preferred embodiment, described rotating shaft comprises the rotating shaft with central through hole, and described fan also comprisesExtend by described central through hole for the cable of powering with for stoping described rotating shaft to be carried out axially with respect to described axle sleeveMobile locating part.

Preferably, described fan also comprises the gear being connected with the output shaft of described syncmotor and coordinates with described gearTooth bar. Be conducive to like this improve the reliability of rotation work.

Preferably, described pedestal comprises impeller housing and the impeller that is positioned at impeller housing. Described impeller can be centrifugalImpeller, can be also mixed flow impeller, is preferably mixed flow impeller; The rotating speed of described impeller is usually located at 800rpm to 7500rpmBetween, be preferably located between 1200rpm to 7000rpm.

Described nozzle preferably includes inner passage and exhaust outlet and limits opening, and the air of fan outside is by from exhaust outletThe air-flow of launching entrainments by described opening. Described nozzle preferably includes nozzle ring, and the height of its nozzle is preferably situated betweenIn between 200mm to 600mm, more preferably between between 250mm to 500mm.

Described nozzle preferably includes inner shell part and external shell part, and the inside that they limit described nozzle leads toRoad and exhaust outlet. Described external shell part preferably forms local overlapping inner shell part, can allow like this exhaust outlet limitBetween the outer surface of inner shell part and the inner surface of external shell part.

Described nozzle preferably includes nozzle body and nozzle base, and described nozzle body can turn with respect to nozzle baseMoving, thus the air-out direction of nozzle on perpendicular, changed.

Preferably, described rolling disc preferably becomes entirety with the housing of nozzle base. Be conducive to like this reduce the portion of fanNumber of packages amount, to improve the manufacture efficiency of fan.

Described exhaust outlet is preferably slot-shaped exhaust outlet, and its exhaust outlet is usually located at 0.5mm extremely at the width in exitBetween 6mm, be preferably located between 1mm to 3mm.

Brief description of the drawings

Fig. 1 is the front schematic view of fan of the present invention.

Fig. 2 is the side view of the fan shown in Fig. 1.

Fig. 3 is the generalized section intercepting from the A-A line along Fig. 1 of the F direction observation of Fig. 1.

Fig. 4 is the generalized section of the lower part of the fan that intercepts along the B-B line in Fig. 1.

Fig. 5 is the schematic diagram of the rolling disc part in Fig. 4.

Fig. 6 is the schematic diagram of the fixed disk part in Fig. 4.

Detailed description of the invention

Figure l is that Fig. 2 is the side view of the fan shown in Fig. 1 from the schematic diagram of the fan of the present invention of device forward observation.From Fig. 1 to Fig. 2, can find out, fan 100 comprises pedestal 2 and is positioned at the nozzle 1 on pedestal 2; Pedestal 2 comprises shell 8 and skyGas import 9, air intlet 9 is for being formed on the form in the multiple holes on shell 8, and air is inhaled from external environment condition by air intlet 9Enter in the shell 8 of pedestal 2. The inner passage 5 that nozzle 1 comprises annular outer cover 3, limited by annular outer cover 3 and exhaust outlet 4 are alsoLimit opening 6.

Pedestal 2 further comprises the user interface for allowing user to operate fan 100. This user interface comprisesMultiple buttons 12,13,14 of user-operable.

Fig. 3 has shown the structure of nozzle 1 inside. As can see from Figure 3, the toroidal shell 3 of nozzle comprises inner shellPart 15 and external shell part 16, inner shell part 15 comprises extended surface 43 and for guiding the guiding surface of air-flow42, inner shell part 15 and external shell part 16 define inner passage 5 jointly, in inner passage 5, are also provided with onePiece porous plate 40, this porous plate 40 has multiple perforation 41, the noise that these perforation can make air-flow pass and can decay in air-flow.Exhaust outlet 4 is positioned near the rear portion of nozzle 1, and is set to before fan, launch air-flow by opening 6. Exhaust outlet 4 is logicalOften there is part extension around opening 6, preferably around opening 6. Exhaust outlet 4 is respectively by the outer surface of inner shell part 15Limit its form that is gap, the going out of exhaust outlet 4 with the lap of the inner surface of external shell part 16 or relative part instituteMouth preferably has relatively constant width, and its width is between 0.5mm to 10mm. In the present embodiment, the width of its outletBe about l.2mm.

Fig. 4 has shown the internal structure of the lower part of the fan shown in Fig. 1, and Fig. 5 and Fig. 6 are respectively the rotations in Fig. 4The schematic diagram of disc portion and fixed disk part. From Fig. 4 to Fig. 6, can see, pedestal 2 comprise be positioned at shell 8 for shapeBecome the device of the air-flow by nozzle 1, this device comprise have air intlet 23 and air outlet slit 24 impeller housing 17, be positioned atImpeller 18 in impeller housing 17, for the motor 19 of drives impeller 18 rotary works, for the motor shell of fixing motor 1920 and vibrationproof member 28, wherein, 8 one-tenth entirety of impeller housing 17 and shell.

Motor 19 is contained in motor shell 20. Motor shell 20 comprises upper part 21 and lower part 22. Motor 19Rotating shaft 25 through the hole of lower part 22 that is formed on motor shell 20, to allow impeller 18 to be connected in rotating shaft 25. ?In the present embodiment, motor shell 20, impeller housing 17 and impeller 18 are preferably formed by plastics.

Vibrationproof member 28 is connected on the outer shroud 26 and guide ring 27 of motor shell 20. In the present embodiment, vibrationproof structurePart 28 is the rubber ring of a circle, and the use of vibrationproof member 28 is conducive to decay vibration that motor 19 and impeller 18 produce from horseReaching housing 20 transmits to impeller housing 17 and shell 8.

Pedestal 2 comprises fixed disk 46, and the syncmotor 51 of fan is fixing by screw and fixed disk 46, and fixed disk 46 comprisesBe positioned at central axle sleeve 56; Nozzle 1 comprises rolling disc 50, and rolling disc 50 is fixing by the housing 11 of screw and nozzle base, turnsMoving plate 50 comprises and is positioned at central rotating shaft 48, and this rotating shaft 48 is arranged in axle sleeve 56 and can rotates with respect to axle sleeve 56; Locating part49 is fixing with rotating shaft 48, to stop rotating shaft 48 to move up and down with respect to axle sleeve 56. In the present embodiment, locating part 49 is a spiral shellSilk.

Enter shell 8 and enter with circuit arrangement 31 from outside through the hole being positioned at pedestal 2 for the cable 55 of poweringRow electrical connection, motor 19 and syncmotor 51 are electrically connected (not shown in FIG.) with circuit arrangement 31 respectively by cable; ToothWheel 52 is fixed with the output shaft of syncmotor 51, and the tooth bar 53 of an arc is fixing with rolling disc 50, gear 52 and tooth bar 53 phasesBe engaged under the driving of syncmotor 51 rolling disc 50 is rotated with respect to fixed disk 46, thereby nozzle 1 is turned with respect to pedestal 2Moving to change the air-out direction of nozzle 1. Rolling disc 50 and fixed disk 46 are preferably formed by plastics.

From Fig. 5 and Fig. 6, can be clear that, rolling disc 50 comprises that being positioned at 48 and 4 air feed of central rotating shaft circulatesThe through hole 57 of crossing; Fixed disk 46 comprises 56 and 3 through holes that air feed stream passes through 58 of axle sleeve with center through hole 59, wherein, inCentre through hole 59 inserts for rotating shaft 48.

In the present embodiment, pedestal 2 comprises user interface, and user can press the button 14 of user interface and control synchronouslyThe rotation of motor 51, thus Control Nozzle 1 is with respect to the rotation of pedestal 2. Nozzle 1 with respect to the slewing area of pedestal 2 preferablyBetween 60 ° and 120 °.

In the present embodiment, motor 19 is DC Brushless Motors, and the rotating speed of motor 19 can be used by circuit arrangement 31 responsesFamily action button 13 changes. The maximum speed of motor 19 is preferably between 5000rpm to 7000rpm.

In order to operate fan 100, user presses the button 12 of user interface, responds this operation, and circuit arrangement 31 activates horseReach 19 with rotary blade 18. The rotation of impeller 18 makes air enter in shell 8 by air intlet 9. User can press by manipulationButton 13 carrys out the rotating speed of governor motor 19, thus the speed that regulates air to enter from air intlet 9.

Then the air-flow that impeller 18 forms passes through fixed disk after being guided by the guide ring 27 of motor shell 20 and outer shroud 26Through hole 57 on through hole 58 and rolling disc 50 on 46 enters the inner passage 5 of nozzle 1. The air-flow of advancing in inner passage 5Be deflated mouthfuls 4 and launch, the air-flow of launching from exhaust outlet 4 is through opening 6, and nozzle 1 part air is around by from row simultaneouslyThe air-flow that gas port 4 is launched entrainments by opening 6, the combination structure of the air-flow of launching from exhaust outlet 4 like this and the air-flow that entrainmentedThe total air flow that becomes to launch forward from nozzle 1.

The detailed description that the present invention is not limited to provide above. Those skilled in the art should be understood that distortion of the present inventionScheme.

Claims

1. a fan, is characterized in that, described fan comprises syncmotor, pedestal and is positioned at the nozzle on described pedestal, instituteOne that states in pedestal and described nozzle comprises rotating shaft, and another in described pedestal and described nozzle comprises axle sleeve, wherein, and instituteState rotating shaft and be arranged in described axle sleeve, described nozzle can rotate with respect to described pedestal under the driving of described syncmotor, instituteState nozzle and comprise the rolling disc with described rotating shaft and multiple through holes, described pedestal comprises having described axle sleeve and multiple through holesFixed disk, described fan also comprises locating part and the institute for stoping described rotating shaft to move axially with respect to described axle sleeveState syncmotor output shaft connect gear and the tooth bar coordinating with described gear.