CN103016314A

CN103016314A - Bladeless fan

Info

Publication number: CN103016314A
Application number: CN 201110289548
Authority: CN
Inventors: 任文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-27
Filing date: 2011-09-27
Publication date: 2013-04-03

Abstract

The invention discloses a bladeless fan for producing an air flow. The bladeless fan comprises a pedestal, a rotating shaft, a nozzle and an air flow generation device, wherein the rotating shaft is parallel to an axis; the nozzle is connected with the pedestal through the rotating shaft; the air flow generation device is positioned in the pedestal; the nozzle comprises an inlet part; the air flow generation device comprises an outlet part; the inlet part of the nozzle is air-tightly connected with the outlet part of the air flow generation device; and the nozzle can rotate at a certain angle around the rotating shaft relative to the pedestal.

Description

Without blade fan

Technical field

The present invention relates to a kind of produce air stream without blade fan.

Background technique

The rotation blade that does not expose owing to can produce air-flow stably without blade fan, thereby be subject to liking of people.The Chinese patent application that on September 8th, 2010, notification number was CN101825104A (application number: 201010129999.1) disclose a kind of for generation of air stream without blade fan, this kind comprises without blade fan: be installed in the nozzle on the base, this base comprises base portion and main body, this main body can tilt with respect to base portion, in this base portion and the main body each has outer surface, it is so shaped that, when main body was in not oblique position, the anastomosis part of outer surface was substantially flush.Therefore this kind, easily toppled over when main body is in oblique position without blade fan, and overall appearance is not good, haves much room for improvement or optimizes.

Summary of the invention

The present invention aims to provide a kind of improved without blade fan, to overcome above-mentioned defective of the prior art.

The objective of the invention is to provide-kind of stability is preferably without blade fan, another object of the present invention be to provide-kind be in and during non-oblique position its outward appearance all preferably without blade fan.According to the present invention, for generation of air stream without blade fan, it is characterized in that, described without blade fan comprise base, the rotating shaft that parallels with axis, the nozzle that is connected with described base by described rotating shaft and the air flow-producing device that is positioned at described base, described nozzle comprises import department, described air flow-producing device comprises export department, the import department of described nozzle carries out tightness with the export department of described air flow-producing device and is connected, and described nozzle can rotate certain angle around described rotating shaft with respect to described base.

Preferably, described air flow-producing device comprises impeller chimney, and described impeller chimney comprises export department, and the import department of described nozzle carries out tightness with the export department of described impeller chimney and is connected.

In a preferred embodiment, describedly also comprise flexible pipe between the export department of the import department of described nozzle and described air flow-producing device without blade fan, the import department of described nozzle carries out tightness by described flexible pipe with the export department of described air flow-producing device and is connected.

In another preferred embodiment, describedly also comprise flexible pipe between the export department of the import department of described nozzle and described air flow-producing device without blade fan, described air flow-producing device comprises impeller chimney, described impeller chimney comprises export department, and the import department of described nozzle carries out tightness by described flexible pipe with the export department of described impeller chimney and is connected.

In yet another preferred embodiment, describedly also comprise sealing component between the export department of the import department of described nozzle and described air flow-producing device without blade fan, the import department of described nozzle carries out tightness by sealing component with the export department of described air flow-producing device and is connected.

Preferably, described nozzle in rotation process and in the nonrotational process all with described base fluid-tight engagement.Common described nozzle and described base in the gap of junction point less than 3 millimeters, preferably less than 2 millimeters, more preferably less than 1 millimeter.

In a preferred embodiment, described base comprises export department, the import department of described nozzle in rotation process and in the nonrotational process all with export department's fluid-tight engagement of described base.

In another preferred embodiment, described base comprises export department, and the import department of described nozzle has at least part to be positioned at the inside of the export department of described base.

In yet another preferred embodiment, described base comprises export department, the import department of described nozzle has at least part to be positioned at the inside of the export department of described base, the import department of described nozzle comprises outer surface, the export department of described base comprises internal surface, described outer surface and described internal surface fluid-tight engagement.

The import department of described nozzle comprises import, and described import comprises rectangular inlet, circular import; The export department of described base comprises outlet, and described outlet comprises rectangle outlet, round exit.

The import department of described nozzle comprises outer surface, and described outer surface comprises cylindrical outer surface, ball shape outer surface; The export department of described base comprises internal surface, and described internal surface comprises cylindrical internal surface, ball shape internal surface; Described impeller chimney comprises cylindrical outer surface, ball shape outer surface.

The angle that described nozzle can rotate around described rotating shaft with respect to described base is usually less than ± 30, here be to be in not oblique position as benchmark take nozzle with respect to base, the angle of forwards rotating represents with the angle with positive sign, and the angle of rearward rotating represents with the angle with negative sign.Preferably, the angle that can rotate around described rotating shaft with respect to described base of described nozzle is less than ± 15 °.

Described rotating shaft can be fixed on the described nozzle, and described base is rotationally connected by described rotating shaft and described nozzle; Described rotating shaft can be fixed on the described base, and described nozzle is rotationally connected by described rotating shaft and described base; Described rotating shaft also can be rotationally connected with described base and described nozzle simultaneously; Described rotating shaft can comprise a rotating shaft, for example comprises two rotating shafts.

Described air flow-producing device comprises impeller chimney, is positioned at the impeller of impeller chimney and the motor of drives impeller rotation work; Described air flow-producing device can also comprise the diffuser that is arranged on impeller chimney export department downstream; Described motor can be dc brushless motor, also can be AC motor; Described impeller can be horizontal impeller, can be mixed flow impeller, can also be other impeller.

Described flexible pipe comprises rubber hose; Described sealing component comprises seal ring; Described seal ring comprises the rubber seal with rectangular aperture, the rubber seal with circular open.

In a preferred embodiment, the inner passage of described nozzle consists of the loop of a closure, and described nozzle limits an opening, from the air of fan outside by from the air-flow entrainment of described relief opening emission by described opening; In another preferred embodiment, the inner passage of described nozzle consists of the loop of a plurality of closures, and described nozzle limits a plurality of openings, from the air of fan outside by from the air-flow entrainment of described relief opening emission by described opening; In yet another preferred embodiment, described nozzle comprises inner housing part and frame part, and described inner housing part and frame part limit described inner passage and described relief opening together.

The present invention has following good effect: of the present invention without blade fan, nozzle can rotate with respect to base, can make state that the air-out direction of nozzle is in different inclinations satisfying user's different requirements, and in rotation process, because pedestal is motionless all the time, thereby its stability better; Overall structure of the present invention is all comparatively attractive in appearance when nozzle is in oblique position and non-oblique position in addition; Also have engaging between nozzle of the present invention and the base not have bubble-tight requirement, easily batch production.

Description of drawings

Figure l is the schematic diagram without blade fan of the present invention of seeing from the place ahead.

Fig. 2 is the side view without blade fan shown in the figure l.

Fig. 3 is along the sectional view that the A without blade fan-the A line intercepts shown in the figure l.

Fig. 4 is shown in Figure 1 without the side view of blade fan when turning forward.

Fig. 5 is shown in Figure 1 without the side view of blade fan when receding.

Fig. 6 is second embodiment's of the present invention schematic diagram.

Embodiment

Figure l is that Fig. 2 is the side view without blade fan shown in the figure l from the structural representation without blade fan of the present invention of device forward observation, and Fig. 3 is along the sectional view that the A without blade fan-the A line intercepts shown in the figure l.From Fig. 1, Fig. 2 and Fig. 3, can see, this kind without blade fan comprise base 1, the rotating shaft 12 that parallels with axis Y, the nozzle 2 that is connected with base 1 by rotating shaft 12 and the air flow-producing device 16 that is positioned at base 1, nozzle 2 comprises the import department 5 of air-flow inflow place that is positioned at nozzle, air flow-producing device 16 comprises the import department of air-flow inflow place that is positioned at air flow-producing device and is positioned at the export department in the air flow stream source of air flow-producing device, the import department 5 of nozzle is fixing with export department's sealing of air flow-producing device 16, and nozzle 2 can 12 rotate around the shaft with respect to base 1.In the present embodiment, rotating shaft 12 has two rotating shafts, and they are separately positioned on the position, both sides of base 1.

Can be clear that from Fig. 1, nozzle 2 is in the position that do not tilt with respect to base 1, and namely nozzle 2 and base 1 all are in the state of the Z that parallels to the axis; Nozzle 2 comprises inner passage 3, relief opening 4 with annular and about the opening 6 of axis X symmetry; Base 1 has cylindrical outer shape, and it comprises main body 7 and is positioned at base portion 9 below the main body; Main body 7 comprises shell and the intake grill 8 that is arranged on the shell.

Can be clear that from Fig. 3, air flow-producing device 16 comprises impeller chimney 14, is arranged at motor 13 and impeller 15 in the impeller chimney 14, and the export department of

impeller chimney

14 and 5 sealings of the import department of nozzle are fixing.Also easily find out from Fig. 3, the outer surface of the import department 5 of nozzle 2 comprises the outer surface of ball shape, export department's fluid-tight engagement of the outer surface of this ball shape and base 1, and in the present embodiment, the gap of this junction point is less than 1 millimeter.

Fig. 4 is shown in Figure 1 without the side view of blade fan when turning forward, and Fig. 5 is shown in Figure 1 without the side view of blade fan when receding.From Fig. 4 and Fig. 5, can find out, nozzle 2 around the shaft 12 rotate with respect to base 1 after, can make nozzle 2 be in the position of different inclinations with respect to base 1.In Fig. 4, nozzle 2 is in the position that turns forward; In Fig. 5, nozzle 2 is in sweptback position.

During apparatus of the present invention work, air enters in the base 1 from the intake grill 8 of base 1, the air flow-producing device that is positioned at base is converted to high pressure draught with the air that enters, this high pressure draught is admitted in the inner passage 3 of nozzle 2, and the air-flow that inner passage 3 receives is launched by relief opening 4, entrainmented by opening 6 by the air-flow of launching from relief opening from the air without the blade fan outside, consist of the forward total air flow of output from relief opening 4 air-flow of launching and the air-flow that is entrainmented, nozzle 2 is with respect to the rotation of base 1, can change the orientation of the total air flow that nozzle 2 exports, to satisfy user's different requirements.

Fig. 6 has showed second embodiment of the present invention.Fig. 6 is very similar to Fig. 3 of first embodiment, just the present embodiment without blade fan many one section flexible pipe 10, this flexible pipe 10 is between the export department of the import department 5 of nozzle 2 and air flow-producing device 16, the import department 5 of nozzle 2 realizes that with air flow-producing device 16 tightness is connected by flexible pipe 10 like this, in the present embodiment, flexible pipe 10 is the flexible pipe of rubber material manufacturing.

Although showed and described and thought at present preferred embodiments of the invention, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present invention that is limited by appended claims.

Claims

One kind for generation of air stream without blade fan, it is characterized in that, described without blade fan comprise base (1), the rotating shaft (12) that parallels with axis (Y), the nozzle (2) that is connected with described base by described rotating shaft and the air flow-producing device (16) that is positioned at described base, described nozzle comprises import department (5), described air flow-producing device comprises export department, the import department of described nozzle carries out tightness with the export department of described air flow-producing device and is connected, and described nozzle can rotate certain angle around described rotating shaft with respect to described base.
2. described without blade fan such as claim l, it is characterized in that, described air flow-producing device comprises impeller chimney, and described impeller chimney comprises export department, and the import department of described nozzle carries out tightness with the export department of described impeller chimney and is connected.
3. described without blade fan such as claim l, it is characterized in that, describedly also comprise flexible pipe (10) between the export department of the import department of described nozzle and described air flow-producing device without blade fan, the import department of described nozzle carries out tightness by described flexible pipe with the export department of described air flow-producing device and is connected.
4. described without blade fan such as claim l, it is characterized in that, describedly also comprise flexible pipe between the export department of the import department of described nozzle and described air flow-producing device without blade fan, described air flow-producing device comprises impeller chimney, described impeller chimney comprises export department, and the import department of described nozzle carries out tightness by described flexible pipe with the export department of described impeller chimney and is connected.
5. described without blade fan such as claim l, it is characterized in that, describedly also comprise sealing component between the export department of the import department of described nozzle and described air flow-producing device without blade fan, the import department of described nozzle carries out tightness by sealing component with the export department of described air flow-producing device and is connected.
6. it is characterized in that without blade fan as one of claim l to 5 is described, described nozzle in rotation process and in the nonrotational process all with described base fluid-tight engagement.
7. it is characterized in that without blade fan as one of claim l to 5 is described, described base comprises export department, the import department of described nozzle in rotation process and in the nonrotational process all with export department's fluid-tight engagement of described base.
8. described without blade fan such as one of claim l to 5, it is characterized in that, described base comprises export department, the import department of described nozzle has at least part to be positioned at the inside of the export department of described base.
9. described without blade fan such as one of claim 1 to 5, it is characterized in that, the angle that described nozzle can rotate around described rotating shaft with respect to described base is less than ± 15 °.
10. as claimed in claim 6 without blade fan, it is characterized in that, described nozzle and described base in the gap of junction point less than 2 millimeters.