CN201779080U

CN201779080U - Bladeless fan

Info

Publication number: CN201779080U
Application number: CN201020198948XU
Authority: CN
Inventors: 曲桂楠; 刘建军; 官伟岩; 谭森化; 徐超
Original assignee: Qingdao Haier Complete Set Of Household Appliance Service Co Ltd; Haier Group Corp
Current assignee: Qingdao Haier Complete Set Of Household Appliance Service Co Ltd; Haier Group Corp
Priority date: 2010-05-21
Filing date: 2010-05-21
Publication date: 2011-03-30
Anticipated expiration: 2020-05-21

Abstract

The utility model provides a bladeless fan which comprises a steering structure and a bladeless fan unit installed on the steering structure; the bladeless fan unit comprises an airflow generation device and a spray nozzle, wherein the airflow generation device is used for generating airflow supplied to the spray nozzle; and the bladeless fan unit can rotate to any angle relative to the steering structure, so that the bladeless fan unit can provide air in any direction.

Description

No flabellum fan

Technical field

This is novel to relate to a kind of fan, relates in particular to the big no flabellum fan of a kind of rotation angle.

Background technique

The driving mechanism that the conventional domestic fan generally comprises rotating shaft, one group of flabellum that can rotate around the shaft and is used to drive the flabellum rotation.General flabellum group is provided with near the user, when the flabellum group is rotated at the indoor air-flow that blows to the user that provides, thereby this air-flow accelerated heat is distributed and the water evaporation at user's body surface place makes the people feel nice and cool.

Because the flabellum of fan all is in the state of high speed rotating in the course of the work, because fan must keep good ventilated environment and flabellum can not be sealed, therefore the guard of ventilation can only be installed in addition, but there is the hidden danger on the safety in guard.For example, tiny article fall into fan and may be excited and the bullet wound user by the flabellum of high speed rotating, and have child's family often to worry that child can stretch into fan with finger and injured.In addition, after through the use between often, can adhere to dust or oil smoke on the guard, and the extremely difficult cleaning of guard.Further, because the conventional domestic fan is to promote air flows by flabellum, and the air-flow that the multi-disc flabellum blows out excites mutually and makes the whole air-out of fan even inadequately.

For addressing the above problem, see also Fig. 1, Britain wears gloomy (Dyson), and company develops a kind of no flabellum fan 100, no flabellum fan 100 is with the ramp 13 inwalls ejection of high velocity air from a propeller-like, and because Coanda effect (Coanda Effect), this high velocity air can invest ramp 13 inwalls, thereby and can drive on every side air-flow and flow together the smooth air that blows to the user can be provided.Than conventional fan, it has simple in structure, is easy to advantages such as cleaning, safety.In the no flabellum fan 100, thereby be to slide vertically to go up relative to pedestal 11 by base 12 to rotate between base 12 and the pedestal 11, but its rotation angle longitudinally can only reach 20 spend about, can't satisfy the requirement of various angle air-out.

Novel content

In view of this, be necessary the no flabellum fan that provides a kind of rotation angle big.

This new embodiment provides a kind of no flabellum fan, and it comprises a steering structure and a no flabellum fan unit that is installed on this steering structure.No flabellum fan unit comprises an air flow-producing device and a nozzle, and this air flow-producing device is used to produce the air-flow of supply nozzle. this no flabellum fan unit can turn to arbitrarily angled with respect to this steering structure.

In another embodiment, steering structure comprise a base, one be installed on this base and relatively the swivel base that rotates of base, reach a support that is fixed in swivel base one end.No flabellum fan unit two ends are rotating rack-mount respectively.

In another embodiment, described no flabellum fan further comprises a following swivel base and a following no flabellum fan unit, and following swivel base is installed on the base and can rotates relative to base, and swivel base is installed in down on the swivel base, and following no flabellum fan unit is fixed on down on the swivel base.

In another embodiment, described swivel base can be with respect to swivel base rotation down.

In another embodiment, described swivel base or be equipped with in the swivel base down is used to drive the driving mechanism that swivel base rotates with respect to swivel base down.

In another embodiment, described swivel base is fixed on the following swivel base.

In another embodiment, in the described down swivel base or be equipped with in the base and be used to drive down the driving mechanism of swivel base with respect to the base rotation.

In another embodiment, described no flabellum fan unit two ends are formed with rotating shaft respectively, and an end of this rotating shaft is installed in rotation on the support respectively.

In another embodiment, described support comprises a horizontal part and respectively from the vertically extending vertical component effect in horizontal part two ends, horizontal part is fixed on an end of swivel base, rotating respectively being installed on the corresponding vertical component effect of rotating shaft at no flabellum fan unit two ends.

In another embodiment, described should spending greater than 30 with respect to the free rotation angle of this steering structure on laterally reaching vertically by no flabellum fan unit.

In the above-mentioned no flabellum fan, by further employing base, swivel base and support, no flabellum fan unit can rotate around a horizontal axis and a vertical shaft simultaneously, and not having the flabellum fan unit by cooperating of horizontal and vertical upward rotation can be to any direction air-out.

Above-mentioned explanation only is the general introduction of this new technique scheme, in order clearlyer to understand this novel technological means, and can be implemented according to the content of specification, and for these novel above-mentioned and other purposes, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

The structural representation of the no flabellum fan that provides in the prior art is provided Fig. 1.

The structural representation of the no flabellum fan that Fig. 2 provides for this novel first embodiment.

Fig. 3 is the cut-away section schematic representation of Fig. 2.

The structural representation of the no flabellum fan that Fig. 4 provides for this novel second embodiment.

Embodiment

Novel for further setting forth this for reaching technological means and the effect that predetermined novel purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to no flabellum fan embodiment, structure, feature and effect thereof according to this novel proposition, describe in detail as after.

See also Fig. 2, the schematic representation of the no flabellum fan 200 that it provides for this novel first embodiment.No flabellum fan 200 comprises steering structure 20 and does not have flabellum fan unit 27.Steering structure 20 is used to make this no flabellum fan unit to have big longitudinal oscillation angle.

In the present embodiment, steering structure 20 comprises cup dolly 21, be installed in swivel base 22 on the base 21, and support 23.Swivel base 22 is base 21 lateral rotation relatively.Support 23 is fixed in an end of swivel base 22.No flabellum fan unit 27 comprises air flow-producing device 25 and nozzle 26.Air flow-producing device is used to produce the air-flow of supply nozzle 26.Nozzle 26 is used for the air-flow ejection and utilizes Coanda effect to be amplified, no flabellum fan unit 27 rotating being installed on the support 23.

Nozzle 26 substantially in the form of a ring.Have the inner passage (figure does not show) of ring-type and the spout (figure does not show) that communicates with the inner passage in the nozzle 26.This spout has a coanda surface (not indicating) near the inwall of nozzle 26 and the inwall of nozzle 26.The inner passage is connected with air flow-producing device 25, the high velocity air that produces when air flow-producing device 25 is spouting and during along the coanda Surface runoff of the inwall of nozzle 26 from spout, because Coanda effect, thereby this air-flow can be exaggerated the air-flow that formation steadily blows to nozzle 26 the place aheads.

Please consult Fig. 3 simultaneously, it further demonstrates the CONSTRUCTED SPECIFICATION of swivel base 22 and base 21.Base 21 has end face 210 and inner space 212.Swivel base 22 is installed on the end face 210.Swivel base 22 is a hollow structure, is provided with for example motor 220 of driving mechanism in it, and motor 220 is fixing with respect to swivel base 22.In the present embodiment, motor 220 is arranged on the pad 224.Motor 220 has rotating shaft 222, and rotating shaft 222 interfixes with swivel base 22 and passes the axis holes that are formed in the end face 210 and extends in the inner space 212 of base 21, and the end of rotating shaft 222 is provided with bolt 226 and is used to prevent that rotating shaft 222 from coming off from base 21.Motor 220 can be electrically connected to control knob (figure does not show) so that the user controls motor 220.Thus, swivel base 22 can be around a vertical shaft (X-X axle) lateral rotation under the driving of motor 220.Except that structure shown in Figure 3, be appreciated that, also can not establish motor 220 in the swivel base 22, swivel base 22 can be directly via realizing being rotatably connected between a rotating shaft and the base 21, swivel base 22 can drive user's for example hand rotation and be positioned a certain angle via external force this moment.In addition, motor 220 also can be located in the inner space 212 of base 21, and is at this moment, fixing between motor 220 and the base 210.

Support 23 comprises horizontal part 233 and the vertical component effect 231,232 that extends vertically upward from horizontal part 233 two ends respectively.Horizontal part 233 is fixed on an end of swivel base 22.No flabellum fan unit 27 two ends are formed with rotating shaft 24 respectively, and on the vertical component effect that is installed in rotation on this support 23 respectively 231,232 of the rotating shaft 24 at two ends.In the present embodiment, rotating shaft 24 is respectively formed on air flow-producing device 25 and the nozzle 26.Thus, no flabellum fan unit 27 can be done vertically to rotate at any angle around a horizontal axis (Y-Y axle) under external force.By regulate 24 and vertical component effect 231,232 between the big I of combination force make no flabellum fan unit 27 can be parked in arbitrarily angled on.For example do not have flabellum fan unit 27 and all spend greater than 30 with respect to the free rotation angle of steering structure 20 on laterally reaching vertically, more preferably, above-mentioned free rotation angle also can be greater than 40 degree.Can be used for driving no flabellum fan unit 27 with the installation driving mechanism in addition initiatively 24 rotates around the shaft.For example, the motor mechanism that can install in air flow-producing device 25 as shown in Figure 3 24 rotates around the shaft to drive no flabellum fan unit 27.

In the no flabellum fan 200 of present embodiment, no flabellum fan unit 27 can rotate around a horizontal axis and a vertical shaft simultaneously, and by laterally with vertically going up cooperating of rotating, no flabellum fan 200 can provide air-flow stably to any direction.

Consult Fig. 4, the schematic representation of the no flabellum fan 300 that it provides for this novel second embodiment.No flabellum fan 300 is similar to first embodiment's no flabellum fan 200, and its difference is further to comprise a following swivel base 31 and is fixed on down following no flabellum fan unit 32 on the swivel base 31.The driving mechanisms such as motor that can install as shown in Figure 3 between following swivel base 31 and the base 21 rotate around a vertical shaft (X1-X1 axle) relative to base 21 to drive down swivel base 31.Swivel base 21 can directly be fixed on down an end of swivel base 31, and at this moment, swivel base 21 can rotate around the X1-X1 axle with following swivel base 31.Yet can also be in swivel base 21 or driving mechanism is installed on the swivel base 31 down is used for driving and changes 21 and rotate around the X2-X2 axle with respect to swivel base 31 down.And not having among the connection between flabellum fan unit 27 and the support 23 and first embodiment identically, it can rotate around the Y-Y axle relative to support 23, repeats no more.

In the no flabellum fan 300 of present embodiment, can be by being provided with around the following swivel base 31 of vertical shaft rotation, not having flabellum fan unit 32 down can provide air-flow on any direction in horizontal plane, and do not have among flabellum fan unit 27 and first embodiment identical, can be to the arbitrarily angled air-flow that provides.Thus, following no flabellum fan unit 32 can provide air-flow to meet the different needs to different direction simultaneously with no flabellum fan unit 27.

The above, it only is this novel preferred embodiment, be not that this is novelly done any pro forma restriction, though this is novel with the preferred embodiment exposure as above, yet be not novel in order to limit this, any those skilled in the art, in not breaking away from this new technique scheme scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from this new technique scheme content, according to this novel technical spirit to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of this new technique scheme.

Claims

1. no flabellum fan comprises:

A steering structure, and

A no flabellum fan unit is installed on this steering structure, and this no flabellum fan unit comprises an air flow-producing device and a nozzle, and this air flow-producing device is used to produce the air-flow of supply nozzle; It is characterized in that this no flabellum fan unit can turn to arbitrarily angled with respect to this steering structure.

2. no flabellum fan as claimed in claim 1 is characterized in that this steering structure comprises:

A base;

A swivel base that is installed on this base, this swivel base can rotate relative to this base; And

A support, it is fixed in an end of this swivel base;

This no flabellum fan unit is installed in rotation on this support.

3. no flabellum fan as claimed in claim 2, it is characterized in that, this no flabellum fan further comprises a following swivel base and a following no flabellum fan unit, this time swivel base is installed on this base and can rotates relative to this base, this swivel base is installed on this time swivel base, and the no flabellum fan unit of this time is fixed on this time swivel base.

4. no flabellum fan as claimed in claim 3 is characterized in that, this swivel base can rotate with respect to this time swivel base.

5. no flabellum fan as claimed in claim 4 is characterized in that, is equipped with in this swivel base or this time swivel base to be used to drive the driving mechanism that this swivel base rotates with respect to this time swivel base.

6. no flabellum fan as claimed in claim 3 is characterized in that this swivel base is fixed on this time swivel base.

7. no flabellum fan as claimed in claim 3 is characterized in that, is equipped with in this time swivel base or in this base to be used to drive the driving mechanism that this time swivel base rotates with respect to base.

8. no flabellum fan as claimed in claim 1 is characterized in that, these no flabellum fan unit two ends are formed with rotating shaft respectively, and an end of this rotating shaft is installed in rotation on respectively on this support.

9. no flabellum fan as claimed in claim 8, it is characterized in that, this support comprises a horizontal part and respectively from this vertically extending vertical component effect in horizontal part two ends, this horizontal part is fixed on an end of this swivel base, rotating respectively being installed on the corresponding vertical component effect of rotating shaft at these no flabellum fan unit two ends.

10. no flabellum fan as claimed in claim 1 is characterized in that, this no flabellum fan unit is spent greater than 30 with respect to the free rotation angle of this steering structure on laterally reaching vertically.