CN202300949U - Bladeless fan - Google Patents
Bladeless fan Download PDFInfo
- Publication number
- CN202300949U CN202300949U CN2011203647871U CN201120364787U CN202300949U CN 202300949 U CN202300949 U CN 202300949U CN 2011203647871 U CN2011203647871 U CN 2011203647871U CN 201120364787 U CN201120364787 U CN 201120364787U CN 202300949 U CN202300949 U CN 202300949U
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- China
- Prior art keywords
- nozzle
- base
- department
- blade fan
- air flow
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- Expired - Fee Related
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Abstract
The utility model provides a bladeless fan for generating an air flow. The bladeless fan comprises a base, a rotating shaft which is parallel to an axis, a nozzle which is connected with the base through the rotating shaft and an air flow generating device which is located in the base, wherein the nozzle comprises an inlet part; the air flow generating device comprises an outlet part; the inlet part of the nozzle is in airtight connection with the outlet part of the air flow generating device; and the nozzle can rotate a certain angle around the rotating shaft relatively to the base.
Description
Technical field
The utility model relates to a kind of no blade fan that produces air stream.
Background technique
The rotation blade that no blade fan does not expose owing to can produce air-flow stably, thereby receive liking of people.The one Chinese patent application that on September 8th, 2010, notification number was CN101825104A (application number: 201010129999.1) disclose a kind of no blade fan that is used to produce air stream; The no blade fan of this kind comprises: be installed in the nozzle on the base, this base comprises base portion and main body, and 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 the no blade fan of this kind is toppled over when main body is in oblique position easily, and overall appearance is not good, haves much room for improvement or optimizes.
Summary of the invention
The utility model aims to provide a kind of improved no blade fan, to overcome above-mentioned defective of the prior art.
The purpose of the utility model is to provide a kind of stability not have blade fan preferably, another purpose of the utility model be to provide a kind of be in tilt and during non-oblique position its outward appearance all do not have blade fan preferably.According to the utility model; Be used to produce the no blade fan of air stream; It is characterized in that; The rotating shaft that said no blade fan comprises base, parallel with axis, the nozzle that is connected with said base through said rotating shaft and the air flow-producing device that is positioned at said base, said nozzle comprises import department, said air flow-producing device comprises export department; The import department of said nozzle carries out tightness with the export department of said air flow-producing device and is connected, and said nozzle can be with respect to said base around said rotating shaft rotating certain angle.
Preferably, said air flow-producing device comprises impeller chimney, and said impeller chimney comprises export department, and the import department of said nozzle carries out tightness with the export department of said impeller chimney and is connected.
In a preferred embodiment; Said no blade fan also comprises the flexible pipe between the export department of the import department of said nozzle and said air flow-producing device, and the import department of said nozzle carries out tightness through said flexible pipe with the export department of said air flow-producing device and is connected.
In another preferred embodiment; Said no blade fan also comprises the flexible pipe between the export department of the import department of said nozzle and said air flow-producing device; Said air flow-producing device comprises impeller chimney; Said impeller chimney comprises export department, and the import department of said nozzle carries out tightness through said flexible pipe with the export department of said impeller chimney and is connected.
In yet another preferred embodiment; Said no blade fan also comprises the sealing component between the export department of the import department of said nozzle and said air flow-producing device, and the import department of said nozzle carries out tightness through sealing component with the export department of said air flow-producing device and is connected.
Preferably, said nozzle in rotation process with nonrotational process in all with said base fluid-tight engagement.Common said nozzle and said 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, said base comprises export department, the import department of said nozzle in rotation process with nonrotational process in all with export department's fluid-tight engagement of said base.
In another preferred embodiment, said base comprises export department, and the import department of said nozzle has at least part to be positioned at the inside of the export department of said base.
In yet another preferred embodiment; Said base comprises export department; The import department of said nozzle has at least part to be positioned at the inside of the export department of said base; The import department of said nozzle comprises outer surface, and the export department of said base comprises internal surface, said outer surface and said internal surface fluid-tight engagement.
The import department of said nozzle comprises import, and said import comprises rectangular inlet, circular import; The export department of said base comprises outlet, and said outlet comprises rectangle outlet, round exit.
The import department of said nozzle comprises outer surface, and said outer surface comprises cylindrical outer surface, ball shape outer surface; The export department of said base comprises internal surface, and said internal surface comprises cylindrical internal surface, ball shape internal surface; Said impeller chimney comprises cylindrical outer surface, ball shape outer surface.
The angle that said nozzle can rotate around said rotating shaft with respect to said base is usually less than 30 ° and greater than-30 °; Here be to be in not with nozzle with respect to base that oblique position is a benchmark; The angle of forwards rotating is represented with the angle of band positive sign, and the angle of rearward rotating is represented with the angle of band negative sign.Preferably, the angle that can rotate around said rotating shaft with respect to said base of said nozzle is less than 15 ° and greater than-15 °.
Said rotating shaft can be fixed on the said nozzle, and said base is rotationally connected through said rotating shaft and said nozzle; Said rotating shaft can be fixed on the said base, and said nozzle is rotationally connected through said rotating shaft and said base; Said rotating shaft also can be rotationally connected with said base and said nozzle simultaneously; Said rotating shaft can comprise a rotating shaft, for example comprises two rotating shafts.
Said air flow-producing device comprises impeller chimney, is positioned at the impeller of impeller chimney and the motor of drives impeller rotation work; Said air flow-producing device can also comprise the diffuser that is arranged on impeller chimney export department downstream; Said motor can be a dc brushless motor, also can be AC motor; Described impeller can be horizontal impeller, can be mixed flow impeller, can also be other impeller.
Said flexible pipe comprises rubber hose; Said sealing component comprises seal ring; Said seal ring comprises the rubber seal with rectangular aperture, the rubber seal with circular open.
In a preferred embodiment, the inner passage of said nozzle constitutes the loop of a closure, and said nozzle limits an opening, from the fan air outside by from the air-flow entrainment of said relief opening emission through said opening; In another preferred embodiment, the inner passage of said nozzle constitutes the loop of a plurality of closures, and said nozzle limits a plurality of openings, from the fan air outside by from the air-flow entrainment of said relief opening emission through said opening; In yet another preferred embodiment, said nozzle comprises inner housing part and frame part, and said inner housing part and frame part limit said inner passage and said relief opening together.
The utlity model has following good effect: the no blade fan of the utility model; Nozzle can rotate with respect to base; Can make state that the air-out direction of nozzle is in different inclinations to satisfy user's demands of different; And in rotation process, because pedestal is motionless all the time, thereby its stability better; The overall structure of the utility model is all comparatively attractive in appearance when nozzle is in oblique position and non-oblique position in addition; Engaging between the nozzle that also has the utility model and the base do not have bubble-tight requirement, easy production in batch.
Description of drawings
Fig. 1 is the schematic representation of the no blade fan of the utility model of seeing from the place ahead.
Fig. 2 is the side view of no blade fan shown in Figure 1.
Fig. 3 is the sectional view along the A-A line institute intercepting of no blade fan shown in Figure 1.
Fig. 4 is the side view of no blade fan when turning forward shown in Figure 1.
Fig. 5 is the side view of no blade fan when receding shown in Figure 1.
Fig. 6 is second embodiment's of the utility model a schematic representation.
Embodiment
Fig. 1 is the structural representation of no blade fan from the utility model of device forward observation, and Fig. 2 is the side view of no blade fan shown in Figure 1, and Fig. 3 is the sectional view along the A-A line institute intercepting of no blade fan shown in Figure 1.From Fig. 1, Fig. 2 and Fig. 3, can see; The rotating shaft 12 that the no blade fan of this kind comprises base 1, parallel with axis Y, the nozzle 2 that is connected with base 1 through 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 and the export department that is positioned at the air flow stream source of air flow-producing device of air-flow inflow place that is positioned at air flow-producing device; The import department 5 of nozzle and export department's sealing and fixing of air flow-producing device 16, nozzle 2 can 12 rotate with respect to base 1 around the shaft.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, promptly 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 the base portion 9 that is positioned at below the main body; Main body 7 comprises shell and is arranged on the intake grill 8 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, the export department of impeller chimney 14 and the import department of nozzle 5 sealing and fixing.Find out easily also that 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, in the present embodiment, the gap of this junction point is less than 1 millimeter.
Fig. 4 is the side view of no blade fan when turning forward shown in Figure 1, and Fig. 5 is the side view of no blade fan when receding shown in Figure 1.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 the utility model work; Air gets in the base 1 from the intake grill 8 of base 1, and the air flow-producing device that is positioned at base converts the air that gets into into high pressure draught, and this high pressure draught is admitted in the inner passage 3 of nozzle 2; And the air communication that inner passage 3 is received is crossed relief opening 4 and is launched; Entrainmented through opening 6 by the air-flow of launching from relief opening from no blade fan air outside, constitute the total air flow of output forward from relief opening 4 air-flow of being launched 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 exported, to satisfy user's demands of different.
Fig. 6 has showed second embodiment of the utility model.Fig. 6 is very similar with Fig. 3 of first embodiment; Just the no blade fan of present embodiment is 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 through flexible pipe 10 like this, in the present embodiment, and the flexible pipe that flexible pipe 10 is made for rubber material.
Although showed and described the embodiment who thinks preferred the utility model at present, obvious, those skilled in the art can carry out various changes and improvement, and does not deviate from the scope of the utility model that is limited appended claims.
Claims (10)
1. no blade fan that is used to produce air stream; It is characterized in that; The rotating shaft (12) that said no blade fan comprises base (1), parallel with axis (Y), the nozzle (2) that is connected with said base through said rotating shaft and the air flow-producing device (16) that is positioned at said base; Said nozzle comprises import department (5); Said air flow-producing device comprises export department, and the import department of said nozzle carries out tightness with the export department of said air flow-producing device and is connected, and said nozzle can be with respect to said base around said rotating shaft rotating certain angle.
2. no blade fan as claimed in claim 1 is characterized in that said air flow-producing device comprises impeller chimney, and said impeller chimney comprises export department, and the import department of said nozzle carries out tightness with the export department of said impeller chimney and is connected.
3. no blade fan as claimed in claim 1; It is characterized in that; Said no blade fan also comprises the flexible pipe (10) between the export department of the import department of said nozzle and said air flow-producing device, and the import department of said nozzle carries out tightness through said flexible pipe with the export department of said air flow-producing device and is connected.
4. no blade fan as claimed in claim 1; It is characterized in that; Said no blade fan also comprises the flexible pipe between the export department of the import department of said nozzle and said air flow-producing device; Said air flow-producing device comprises impeller chimney, and said impeller chimney comprises export department, and the import department of said nozzle carries out tightness through said flexible pipe with the export department of said impeller chimney and is connected.
5. no blade fan as claimed in claim 1; It is characterized in that; Said no blade fan also comprises the sealing component between the export department of the import department of said nozzle and said air flow-producing device, and the import department of said nozzle carries out tightness through sealing component with the export department of said air flow-producing device and is connected.
6. like the described no blade fan of one of claim 1 to 5, it is characterized in that, said nozzle in rotation process with nonrotational process in all with said base fluid-tight engagement.
7. like the described no blade fan of one of claim 1 to 5, it is characterized in that said base comprises export department, the import department of said nozzle in rotation process with nonrotational process in all with export department's fluid-tight engagement of said base.
8. like the described no blade fan of one of claim 1 to 5, it is characterized in that said base comprises export department, the import department of said nozzle has at least part to be positioned at the inside of the export department of said base.
9. like the described no blade fan of one of claim 1 to 5, it is characterized in that the angle that said nozzle can rotate around said rotating shaft with respect to said base is less than 15 ° and greater than-15 °.
10. no blade fan as claimed in claim 6 is characterized in that, said nozzle and said base in the gap of junction point less than 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203647871U CN202300949U (en) | 2011-09-27 | 2011-09-27 | Bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203647871U CN202300949U (en) | 2011-09-27 | 2011-09-27 | Bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300949U true CN202300949U (en) | 2012-07-04 |
Family
ID=46369858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203647871U Expired - Fee Related CN202300949U (en) | 2011-09-27 | 2011-09-27 | Bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061140A (en) * | 2013-03-22 | 2014-09-24 | 任文华 | Fan |
| CN105422425A (en) * | 2015-12-21 | 2016-03-23 | 广东美的环境电器制造有限公司 | Bladeless fan |
| CN105736471A (en) * | 2013-02-15 | 2016-07-06 | 任文华 | Fan |
-
2011
- 2011-09-27 CN CN2011203647871U patent/CN202300949U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736471A (en) * | 2013-02-15 | 2016-07-06 | 任文华 | Fan |
| CN104061140A (en) * | 2013-03-22 | 2014-09-24 | 任文华 | Fan |
| CN105422425A (en) * | 2015-12-21 | 2016-03-23 | 广东美的环境电器制造有限公司 | Bladeless fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 310052 Hangzhou City, Binjiang District Province, No., Shing Road, Garden Court, building 2, room 3, unit 1402, room 3191 Patentee after: Ren Wenhua Address before: 310003, room 2, unit 129, 402, lane, Shangcheng, Zhejiang, Hangzhou Patentee before: Ren Wenhua |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130927 |