CN202165331U

CN202165331U - Vaneless fan

Info

Publication number: CN202165331U
Application number: CN2011202361843U
Authority: CN
Inventors: 任文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-06
Filing date: 2011-07-06
Publication date: 2012-03-14
Anticipated expiration: 2021-07-06

Abstract

The utility model relates to a vaneless fan for generating an air flow, characterized in that: the vaneless fan comprises a bottom seat, a nozzle and a hose, wherein one end of the hose is connected with the bottom seat, another end of the hose is connected with the nozzle and the nozzle inclines to the inclined position from the not-inclined position relative to the bottom seat.

Description

No blade fan

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.When the no blade fan of this kind is in oblique position, to topple over easily, less stable is further improved 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 utility model is to provide a kind of stability not have blade fan preferably; This kind is used to produce the no blade fan of air stream; It is characterized in that said no blade fan comprises base, nozzle and flexible pipe, an end of said flexible pipe is connected with said base; The other end of said flexible pipe is connected with said nozzle, said nozzle can with respect to base never oblique position tilt to oblique position.

Preferably, when said nozzle was in not oblique position, said flexible pipe all was positioned at the inside of said base and said nozzle.

Said nozzle can rotate with respect to base, and when said nozzle was in not oblique position, said flexible pipe all was positioned at the inside of said base and said nozzle; Said nozzle can slide with respect to base, and when said nozzle was in not oblique position, said flexible pipe all was positioned at the inside of said base and said nozzle; Usually, said nozzle can rotate with respect to base around a rotating shaft.

In a preferred embodiment, said base comprises export department, and an end of said flexible pipe is connected with said export department, and when said nozzle was in not oblique position, said flexible pipe all was positioned at the inside of said export department.

In another preferred embodiment; Said base comprises export department; Said nozzle comprises import department; Said export department and said import department all have outer surface, when said nozzle is in not oblique position, said export department engage with said import department and the anastomosis part of said outer surface substantially flush.

In yet another preferred embodiment, said base comprises export department, and said nozzle comprises import department, and when said nozzle was in not oblique position, said flexible pipe was positioned at the inside of said export department and said import department.

Said no blade fan can comprise leaning device, and said leaning device can comprise first member that is fixed on the said nozzle and second member that is fixed on the said base and flexibly connects with said first member; Said leaning device also can comprise first member with slide mass that is fixed on the said nozzle and be fixed in second member with sliding-groove on the said base that said slide mass is positioned at sliding-groove also can be in said sliding-groove slide relative; Said leaning device can also comprise first member with sliding-groove that is fixed on the said nozzle and be fixed in second member with slide mass on the said base that said slide mass is positioned at sliding-groove also can be in said sliding-groove slide relative; Said sliding-groove can be crooked.

Usually, said base comprises frame and the air flow-producing device that is positioned at frame; Said air flow-producing device comprises impeller and the motor that drives said wheel rotation work; 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.

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 tilt with respect to base, and the air-out direction that can change nozzle like this is to reach user's demands of different; Because the weight of nozzle is less with respect to base, so nozzle is when being in oblique position, and its stability better; When nozzle is in oblique position and non-oblique position in addition, overall appearance.

Description of drawings

Fig. 1 is the structural representation of the no blade fan of the utility model;

Fig. 2 is the side view of no blade fan shown in Figure 1;

Fig. 3 is a no blade fan shown in Figure 2 sectional view along the Y axle;

Fig. 4 is the schematic representation of no blade fan when receding shown in Figure 2;

Fig. 5 is the schematic representation of no blade fan when turning forward shown in Figure 2;

Fig. 6 is second embodiment's of the utility model a structural representation;

Fig. 7 is the side view of no blade fan shown in Figure 6;

Fig. 8 is a no blade fan shown in Figure 6 sectional view along the Y axle;

Fig. 9 is the schematic representation of no blade fan when receding shown in Figure 6;

Figure 10 is the schematic representation of no blade fan when turning forward shown in Figure 6;

Figure 11 is the 3rd embodiment's of the utility model a structural representation;

Figure 12 is a no blade fan shown in Figure 11 sectional view along the Y axle.

Embodiment

Fig. 1 to Fig. 5 shows first embodiment of the utility model.Fig. 1 is the structural representation from the no blade fan of the utility model of device forward observation; Fig. 2 is the side view of no blade fan shown in Figure 1; Fig. 3 is a no blade fan shown in Figure 2 sectional view along the Y axle; Fig. 4 is the schematic representation of no blade fan when receding shown in Figure 2, and Fig. 5 is the schematic representation of no blade fan when turning forward shown in Figure 2.

Can see that from Fig. 1 this no blade fan is desk-top no blade fan, and referring to figs. 2 and 3, this desk-top no blade fan comprises base 1, is arranged at nozzle 2 and flexible pipe 3 on the base 1, and an end of flexible pipe 3 is connected with base 1, and the other end of flexible pipe 3 is connected with nozzle 2; Base 1 has cylindrical outer shape, and it comprises main body 15, be positioned at the base portion 14 below the main body and be positioned at the export department 4 above the main body, and main body 15 comprises intake grill 16, and main body 15 can be rotated in horizontal plane with respect to base portion 14; Base 1 also comprises impeller chimney 19, is arranged at motor 17 and impeller 18 in the impeller chimney 19; Nozzle 2 has the inner passage 11, relief opening 12 of annular and about the axisymmetric opening 13 of X; Nozzle 2 can be around the shaft 10 rotates, and rotating shaft 10 is set in the import department of export department 4 and nozzle 2 of base 1, and when nozzle 2 was in not oblique position with respect to base 1, flexible pipe all was positioned at the inside of export department 4.

Can find out that from Fig. 4 and Fig. 5 nozzle 2 can be around the shaft 10 rotates with respect to base 1, can make nozzle 2 be in different oblique positioies with respect to base 1 like this.In Fig. 4, nozzle 2 is in the position when receding.In Fig. 5, nozzle 2 is in the position when turning forward.Therefore, when nozzle 2 10 rotates with respect to base 1 around the shaft, just changed the air-out orientation of nozzle 2 on vertical plane.Because nozzle is lighter with respect to base, when nozzle 2 is in oblique position, can produce considerable influence, thereby have the higher stable degree the center of gravity of whole device.

During the utility model work; Air gets in the base 1 from the intake grill 16 of base 1, and the air flow-producing device that is positioned at base 1 converts the air that gets into into high pressure draught, and this high pressure draught is admitted in the inner passage 11 of nozzle 2 through behind the flexible pipe 3; And the air communication that inner passage 11 is received is crossed relief opening 12 and is launched; Entrainmented through opening 13 by the air-flow of launching from relief opening from the fan air outside, constitute the total air flow of output forward from relief opening 12 air-flow of being launched and the air-flow that is entrainmented, nozzle 2 is with respect to the change of the oblique position of base 1; Can change the orientation of the total air flow that nozzle 2 exported, to satisfy different users's demands of different.

Fig. 6 to Figure 10 shows second embodiment of the utility model.Fig. 6 is the structural representation from second embodiment of device forward observation; Fig. 7 is the side view of no blade fan shown in Figure 6; Fig. 8 is a no blade fan shown in Figure 6 sectional view along the Y axle; Fig. 9 is the schematic representation of no blade fan when receding shown in Figure 6, and Figure 10 is the schematic representation of no blade fan when turning forward shown in Figure 6.

Can find out that from Fig. 6, Fig. 7 and Fig. 8 this embodiment also is desk-top no blade fan.This desk-top no blade fan comprises base 1, is arranged at nozzle 2 and flexible pipe 3 on the base 1, and an end of flexible pipe 3 is connected with base 1, and the other end of flexible pipe 3 is connected with nozzle 2; Base 1 has cylindrical outer shape, and it comprises main body 15, be positioned at the base portion 14 below the main body and be positioned at the export department 4 above the main body; Main body 15 comprises intake grill 16, and main body 15 can be rotated in horizontal plane with respect to base portion 14; Base 1 also comprises impeller chimney 19, is arranged at motor 17 and impeller 18 in the impeller chimney 19; Nozzle 2 has the inner passage 11, relief opening 12 of annular and about the axisymmetric opening 13 of X, nozzle 2 comprises import department 5; The export department 4 of base and the import department 5 of nozzle all have outer surface; When nozzle 2 is in not oblique position; Export department 4 engage with import department 5 and the anastomosis part of said outer surface substantially flush, and at this moment flexible pipe 3 all is positioned at the inside of export department 4 and import department 5.

From Fig. 8, can be clear that; This desk-top no blade fan also comprises a leaning device, and this leaning device comprises that first member 6 that is fixed on the nozzle 2 has slide mass 8 with second member, 7, the first members 6 that are fixed on the base 1; Second member 7 have a sliding-groove 9; Slide mass 8 is positioned at sliding-groove 9 and can changes the inclination of nozzle 2 with respect to base 1 like this in the sliding-groove slide relative, thereby changes the air-out orientation of nozzle 2 on vertical plane.

Can find out easily that from Fig. 8 nozzle 2 can make nozzle 2 be in the position of different inclinations with respect to base 1 through being positioned at the leaning device of nozzle 2 and base 1 inside.In Fig. 9, nozzle 2 is in the position when receding.In Figure 10, nozzle 2 is in the position when turning forward.This embodiment has beautiful outward appearance because leaning device is positioned at the inside of nozzle 2 and base 1.Find out easily also that from Fig. 9 and Figure 10 this embodiment's nozzle 2 has the higher stable degree equally when tilting with respect to base 1.

Figure 11 and Figure 12 show the 3rd embodiment of the utility model.From figure, can see; This embodiment's no blade fan comprise base 1, nozzle 2 and be connected in base 1 and nozzle 2 between flexible pipe 3; Set inside at base 1 and nozzle 2 has leaning device; This leaning device comprises first member 6 that is fixed on the nozzle 2 and is fixed in that second member, 7, the second members 7 comprise that also rotating shaft 10, the first members 6 can 10 rotate around the shaft on the base 1; So also can make nozzle 2 with respect to base 1 never oblique position tilt to oblique position, even nozzle 2 is in the position of different inclinations with respect to base 1.

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

1. no blade fan that is used to produce air stream; It is characterized in that; Said no blade fan comprises base (1), nozzle (2) and flexible pipe (3); One end of said flexible pipe is connected with said base, and the other end of said flexible pipe is connected with said nozzle, said nozzle can with respect to base never oblique position tilt to oblique position.

2. no blade fan as claimed in claim 1 is characterized in that, when said nozzle was in not oblique position, said flexible pipe all was positioned at the inside of said base and said nozzle.

3. no blade fan as claimed in claim 1 is characterized in that said nozzle can rotate with respect to base, and when said nozzle was in not oblique position, said flexible pipe all was positioned at the inside of said base and said nozzle.

4. like the described no blade fan of one of claim 1 to 3; It is characterized in that said base comprises export department (4), an end of said flexible pipe is connected with said export department; When said nozzle was in not oblique position, said flexible pipe all was positioned at the inside of said export department.

5. like the described no blade fan of one of claim 1 to 3; It is characterized in that; Said base comprises export department (4), and said nozzle comprises import department (5), and said export department and said import department all have outer surface; When said nozzle is in not oblique position, said export department engage with said import department and the anastomosis part of said outer surface substantially flush.

6. like the described no blade fan of one of claim 1 to 3, it is characterized in that said base comprises export department (4), said nozzle comprises import department (5), and when said nozzle was in not oblique position, said flexible pipe was positioned at the inside of said export department and said import department.

7. like the described no blade fan of one of claim 1 to 3; It is characterized in that; Said no blade fan comprises leaning device, second member (7) that said leaning device comprises first member (6) that is fixed on the said nozzle and is fixed on the said base and flexibly connects with said first member.

8. like the described no blade fan of one of claim 1 to 3; It is characterized in that; Said no blade fan comprises leaning device; Said leaning device comprises first member with slide mass (8) that is fixed on the said nozzle and is fixed in second member with sliding-groove (9) on the said base that said slide mass is positioned at sliding-groove also can be in said sliding-groove slide relative.

9. like the described no blade fan of one of claim 1 to 3, it is characterized in that said nozzle (10) around the shaft rotates with respect to said base.

10. no blade fan as claimed in claim 8 is characterized in that said sliding-groove is crooked.