CN105484981A

CN105484981A - Fan and nozzle for fan

Info

Publication number: CN105484981A
Application number: CN201610000232.6A
Authority: CN
Inventors: 任文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-18
Filing date: 2013-05-18
Publication date: 2016-04-13
Also published as: CN104165134B; WO2014187270A1; CN104165134A; CN105927512B; CN105927512A

Abstract

The invention discloses a fan. The fan comprises a base and a nozzle; the nozzle includes an inlet part and a main body; the main body can slide from a non-inclined position to an inclined position corresponding to the inlet part; the inlet part includes an intake pipe and a first component connected with the intake pipe; the main body includes an outer shell, an internal channel, an exhaust port and an opening for extending in the intake pipe; the first component is at least partially positioned in the outer shell; and the main body limits a through hole in center. The invention further provides a nozzle for the fan.

Description

Fan and the nozzle for fan thereof

The divisional application that the application is the applying date is on May 18th, 2013, application number is 201310186724.5, denomination of invention is the patent application of " fan and the nozzle for fan thereof ".

Technical field

The present invention relates to a kind of fan and the nozzle for this kind of fan thereof.

Background technique

Traditional fan generally includes one group of blade rotating around the shaft and for driving this group blade rotary to produce the motor of air-flow.This group blade is usually located in cage, and this cage allows air-flow to pass, and stops human contact to arrive the blade of this group rotation.

This kind of fan can be various sizes and shape.Such as, ceiling fan can have the diameter of at least l000mm, and usually mounted on the ceiling to provide downward air-flow in a hanging manner.Again such as, desk fan has the diameter of 300mm usually, and usually freely erects and be easy to mobile.The fan of other type can be positioned on floor or be arranged on wall.

The shortcoming of this kind of fan be air-flow that rotation blade produces normally uneven or " springing up ".This is uncomfortable for the user.Although another shortcoming is rotation blade be positioned at cage, in some cases, human body touches the danger of rotation blade in addition.

On July 20th, 2011, Authorization Notice No. was the Chinese patent (application number: 201020647163.6) disclose a kind of fan of CN201902359U.This kind of fan comprises base and is provided with the head of nozzle, and between the end face of this base and head bottom surface, sphere is slidably matched, make head can relative to base never oblique position tilt to oblique position.

The rotation blade that this fan does not expose also can produce stable air-flow, improves the quality of air-flow and the Security of use.But when the head of this fan is in oblique position, its stability is not good; The overall appearance of fan is also subject to larger impact.

Summary of the invention

A first aspect of the present invention to provide-kind of fan.This kind of fan, it is characterized in that, the nozzle that described fan comprises pedestal and is connected with described pedestal, described nozzle comprises import department and main body, described main body can relative to described import department never oblique position slide into oblique position, the first component that described import department comprises suction tude and is connected with described suction tude, described main body comprise frame, for accept air-flow inner passage, for launching the relief opening of air-flow and the opening for allowing described suction tude stretch into, wherein, described first component has at least part to be positioned at described frame.

Preferably, described first component is all positioned at described frame.

The main body of the nozzle of this kind of fan can relative to the import department of nozzle never oblique position slide into oblique position, be conducive to nozzle and change air-out direction easily on vertical plane; Because the quality of nozzle is less relative to the quality of pedestal, the main body of nozzle can not make the center of gravity of whole fan that larger skew occurs relative to the inclination of the import department of nozzle, is conducive to the stability improving fan; In addition, when the nozzle body of this kind of fan is in oblique position and non-inclined position, the overall appearance of its fan is all better, is conducive to attracting user or Consumer.

Tilt angle when main body is in maximum inclining position relative to import department is preferably located between 6 ° to 30 °, more preferably between 8 ° to 15 °.

Preferably, the first component contacts with the internal surface of frame.Such as, the internal surface that the first component and frame are positioned near its opening contacts.Preferably, the first component and the apparent surface of Outer housing component that contacts with the first component correspondingly bend.First component preferably has the lower surface of respective curved, and the Outer housing component that frame contacts with the first component has the internal surface of respective curved.Such as, the lower surface of the first component can be protruding, and the internal surface of the Outer housing component that frame contacts with the first component can be recessed.Again such as, the lower surface of the first component can be recessed, and the internal surface of the Outer housing component that frame contacts with the first component can be protruding.

In a preferred embodiment, described nozzle comprises the flexible seals between the first component and frame.Be conducive to nozzle like this and keep tightness between the first component and frame, leak from the gap between the first component and frame to reduce air-flow.Described flexible seals preferably includes rubber seal.Described flexible seals can be connected on the first component, also can be connected on the internal surface of frame.

Preferably, main body also comprises and is positioned at frame and the second component be connected with frame, and wherein, second component and frame form chute, and the first component has part to be arranged in described chute.Be conducive to the first component like this to slide in chute, make main body slide reliably relative to import department or tilt.

Import department preferably includes and is positioned at outside frame and the 3rd component be connected with suction tude, wherein, between the first component and the 3rd component, has gap, and frame has part be arranged in described gap and contact with the 3rd component.Be conducive to frame like this to slide in described gap, make main body slide reliably relative to import department or tilt.

First component preferably includes the bending slide plate with through hole.The shape of the through hole of the first component comprises circle, ellipse and rectangle.Described rectangle preferably includes round rectangle.

Suction tude preferably includes the suction tude of circular suction tude, oval suction tude and rectangle.The suction tude of described rectangle preferably includes the suction tude of round rectangle.Suction tude preferably includes the interior section being positioned at described frame and the exterior section be positioned at outside described frame.

Nozzle preferably extends around through hole, is entrainmented by described through hole by the air-flow launched from described relief opening from the air outside nozzle.Nozzle preferably includes ring nozzle, the height of its nozzle preferably between 200mm to 600mm, more preferably between 250mm to 500mm.

Relief opening preferably includes slot-shaped relief opening, and its relief opening is usually located between 0.5mm to 8mm at the width in outlet port, is preferably located between 1mm to 3.5mm.

Pedestal preferably includes the structure for generation of the air-flow by nozzle.Structure for generation of the air-flow by nozzle comprises impeller chimney, is positioned at the motor of the impeller of impeller chimney and drives impeller rotary work.Impeller can be centrifugal impeller, can be also mixed flow impeller, be preferably mixed flow impeller; The rotating speed of impeller is usually located between 800rpm to 7500rpm, is preferably located between 1200rpm to 7000rpm.Motor can be DC Brushless Motor, also can be alternating current motor.

In a preferred embodiment, the pneumatic tube that pedestal comprises base portion, is positioned at the base below base portion and is positioned at above base portion, wherein, pneumatic tube is connected with the suction tude of nozzle, and base portion can swing relative to base.

Preferably, the suction tude of nozzle and the output terminal grafting of pedestal are also screwed, and are conducive to the installation or removal between nozzle and pedestal like this.

A second aspect of the present invention be to provide-kind for the nozzle of fan.This kind of nozzle, it is characterized in that, described nozzle comprises import department and main body, described main body can relative to described import department never oblique position slide into oblique position, the first component that described import department comprises suction tude and is connected with described suction tude, described main body comprise frame, for accept air-flow inner passage, for launching the relief opening of air-flow and the opening for allowing described suction tude stretch into, wherein, described first component have at least part be positioned at described frame.

Preferably, described first component is all positioned at described frame.

This kind of nozzle can make main body relative to import department never oblique position slide into oblique position, be conducive to nozzle and change air-out direction easily on vertical plane, to meet the different requirements of user; In addition, when this kind of nozzle is in oblique position and non-inclined position, the outward appearance of its nozzle is all better.

First component preferably contacts with the internal surface of frame.

Main body preferably includes and is positioned at frame and the second component be connected with frame, and wherein, second component and frame form chute, and the first component has part to be arranged in described chute.

Import department preferably includes and is positioned at outside frame and the 3rd component be connected with suction tude, wherein, between the first component and the 3rd component, has gap, and frame has part be arranged in described gap and contact with the 3rd component.

The above-mentioned feature about first aspect present invention is also applied to a second aspect of the present invention equally, and vice versa.

The above-mentioned description about first aspect present invention is also applied to a second aspect of the present invention equally, and vice versa.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of fan of the present invention.

Fig. 2 is the side view of the fan shown in figure l.

Fig. 3 is the schematic diagram of the nozzle of the fan shown in figure l.

Fig. 4 is the side view of the nozzle of the fan shown in figure l.

Fig. 5 is the schematic diagram of the pedestal of the fan shown in figure l.

Fig. 6 is the sectional view of the amplification along the line A-A intercepting in Fig. 3.

Fig. 7 is the sectional view of the amplification along the line B-B intercepting in Fig. 4.

Fig. 8 is the schematic perspective view of the amplification of the import department of the nozzle shown in Fig. 3.

Fig. 9 is the sectional view of the amplification along the line C-C intercepting in Fig. 5.

Figure 10 is the side view that the fan shown in Fig. 1 is tilted forward to a certain position.

Figure 11 is the side view that the fan shown in Fig. 1 tilts backwards to a certain position.

Figure 12 illustrates the replacing structure of the nozzle shown in Fig. 7.

Embodiment

Figure l is the schematic diagram of the fan of the present invention from device forward observation, and Fig. 2 is the side view of the fan shown in figure l.As can be seen from Fig. 1 and Fig. 2, the nozzle 1 that fan 100 comprises pedestal 2 and is positioned on pedestal 2.The base portion 8 that pedestal 2 comprises base 10 and is positioned on base 10, base portion 8 comprises multiple buttons 11,12 and 13 of air intlet 9 and user-operable, and air intlet 9 is for being formed in the form in the multiple holes on base portion shell.The air of fan outside is inhaled in base portion 8 by air intlet 9.

Fig. 3 is the schematic diagram of the nozzle segment of the fan shown in figure l, and Fig. 4 is the side view of the nozzle segment of the fan shown in figure l.As can be seen from Fig. 3 and Fig. 4, nozzle 1 comprises main body 4 and import department 3.And with reference to figure 6, Fig. 7 and Fig. 8, the first component 16 that import department 3 comprises suction tude 15 and is connected with the upper end of suction tude 15.First component 16 is for having the bending plate of through hole 19, and through hole 19 is the through hole of round rectangle; First component 16 is positioned at frame 6, and suction tude 15 is the suction tude of round rectangle, and this suction tude 15 is integrated with the first component 16.

Main body 4 comprise frame 6, for accept air-flow inner passage 14, for launch air-flow relief opening 7, for the opening 40 that allows suction tude 15 stretch into and the second component 18 be connected with frame 6.Second component 18 to be fixed with frame 6 preferably by binder and to be connected.Second component 18 has two, and they and frame 6 form two chutes 17, first component 16 has part to be arranged in chute 17, and the first component 16 can be slided along chute 17.

Easily find out from Fig. 6 and Fig. 7, the first component 16 contacts with the internal surface of frame 6, and the first component 16 is bending plate, and the part that frame 6 contacts with the first component 16 is also bending.First component 16 slides along chute 17, can make main body 4, relative to import department 3, relative sliding occur, namely can make main body 4 relative to import department 3 never oblique position slide into oblique position or slide into not oblique position or slide into another oblique position from an oblique position from oblique position.

In the present embodiment, the lower surface of the first component 16 slide and non-slip time all the time with the internal surface close contact of frame 6, can prevent or reduce air-flow like this from the gap between the first component 16 and frame 6 is leaked by opening 40.Preferably, flexible seals is set between the first component 16 and frame 6, as rubber seal, can effectively prevents or reduce the leakage of air-flow like this.

In the present embodiment, main body 4 has the frame 6 of annular and defines the through hole 5 being positioned at central authorities, relief opening 7 is positioned at the front portion of main body 4 and is set to launch air-flow before fan, and the air-flow launched from relief opening 7 to be roughly parallel to the direction of axis X in the outlet port of relief opening 7; Frame 6 comprises housing 611, housing 612, housing 613 and multiple fixed block (not shown in FIG.), relief opening 7 limited by the apparent surface of housing 611 with housing 612, fixed block be arranged in inner passage 14 and with the outlet of relief opening 7 at intervals, housing 611, housing 612 and fixed block are integrally, namely integrated.

In the present embodiment, relief opening 7 is slot-shaped relief opening, and its relief opening 7 is about 1.8mm at the width in outlet port, and the distance between the outlet of fixed block and relief opening 7 is about 5mm.

Fig. 5 is the schematic diagram of the pedestal of the fan shown in figure l, and Fig. 9 illustrates the internal structure of pedestal.As can be seen from Fig. 5 and Fig. 9, pedestal 2 comprises base 10 and has the base portion 8 of shell 21, is provided with the motor 24 of impeller chimney 22, impeller 23 and drives impeller 23 rotary work in the shell 21 of base portion 8.Impeller 23 is positioned at impeller chimney 22, and impeller chimney 22 comprises air intlet 34 and air outlet slit 35.

Motor 24 is contained in motor casing 25.Motor casing 25 comprises upper part 26 and lower part 27, and upper part 26 is fixed by screw and lower part 27 and is fixed therein by motor 24.The rotating shaft 38 of motor 24 is positioned at the hole of bottom through the lower part 27 being formed in motor casing 25, be connected in rotating shaft 38 to allow impeller 23.The upper part 26 of motor casing 25 also comprises multiple fixing rod 31, and motor 24 is fixed with impeller chimney 22 by multiple fixing rods 31 of motor casing 25.

In the present embodiment, impeller 23 and impeller chimney 22 are configured as when impeller 23 and motor casing 25 are supported by impeller chimney 22, the blade tips of impeller 23 very close to the internal surface of impeller chimney 22, but does not touch this internal surface, and impeller 23 is roughly coaxial with impeller chimney 22.

Impeller chimney 22 is provided with cable punching hole (not shown in FIG.), a fixing rod 31 of motor casing 25 is also provided with cable punching hole (not shown in FIG.), cable punching hole on impeller chimney 22 is aimed at the cable punching hole on fixing rod 31 and cable can be passed, and is connected to motor 24 from circuit arrangement 37 to facilitate cable.In the present embodiment, motor casing 25, impeller chimney 22 and impeller 23 preferably formed by plastics.

The gas skirt 32 of the air-flow convergence formed by impeller 23 is also provided with in shell 21, the lower end of gas skirt 32 is connected with motor casing 25, the output terminal 33 that upper end and the shell 21 of gas skirt 32 have air outlet slit 39 is connected, and the outlet of gas skirt 32 is communicated with the suction tude 15 of nozzle 1.Preferably, between gas skirt 32 and suction tude 15, be connected with one section of flexible pipe, as one section of rubber pipe, use flexible pipe can decay motor and impeller some vibration and noise transmit to nozzle 1.

Impeller chimney 22 support by multiple supporting member 29.Can be clear that in fig .9, supporting member 29 is a spring element.In the present embodiment, the quantity of supporting member 29 is 4, and namely the quantity of spring element is 4, and the upper end of spring element is fixed with the projection 30 be formed on impeller chimney 22 outer surface, and the lower end of spring element is fixed on the pedestal 28 that is connected with shell 21.Because supporting member 29 is spring element, spring element effectively can absorb some vibration and noises from motor 24 and impeller 23, otherwise these vibrations and noise easily pass to shell 21 by impeller chimney 22 and amplify.

Base 10 is for engaging the surface at fan 100 place.Pedestal 2 also comprises the swing mechanism for making base portion 8 swing back and forth relative to base 10, and this swing mechanism comprises syncmotor 36, and the operation of swing mechanism responds user by circuit arrangement 37 and presses the button 13 and control.Hunting range is preferably between 60 ° and 120 °, and swing mechanism is set to 3 to 6 deflection periods of execution per minute.Cable (not drawing) for supplying power to fan extends through the hole be formed on base 10.

In the present embodiment, motor 24 is DC Brushless Motor, and the rotating speed of motor responds user operation button 12 by circuit arrangement 37 and changes.

In order to operate fan 100, user presses the button 11, responds this operation, and circuit arrangement 37 activates motor 24 with rotary blade 23.The rotation of impeller 23 makes air be entered in the shell 21 of pedestal 2 by air intlet 9.The air-flow that impeller 23 is formed is transported in nozzle 1 after gas skirt 32 converges.

In nozzle 1, air-flow divides two strands to advance in the inner passage 14 of main body 4.The air-flow of advancing in inner passage 14 launch by relief opening 7, partial air around nozzle by from relief opening 7 the air-flow launched entrainment, the air-flow launched from relief opening 7 like this be bonded by the air-flow that entrainments the total air flow launched forward from nozzle 1.

Figure 10 illustrates the side view that the fan shown in Fig. 1 is tilted forward to a certain position, and Figure 11 illustrates the fan shown in Fig. 1 and tilts backwards side view to a certain position.As can be seen from Figure 10 and Figure 11, main body 4 carries out relative to import department 3 adjustment sliding or carry out inclination, and the air-out direction of nozzle 1 can be made to change on vertical plane, to meet the different demands of user.

Figure 12 illustrates the replacing structure of the nozzle shown in Fig. 7.Easily find out from Figure 12, the nozzle shown in the nozzle of the present embodiment and Fig. 7 is different.In the present embodiment, the second component 18 that main body 4 is not connected with frame 6, and import department 3 also comprises and is positioned at outer and the 3rd component 20 be connected with suction tude 15 of frame 6, wherein, between the first component 16 and the 3rd component 20, there is gap, and frame 6 there is part be arranged in this gap and contact with the 3rd component 20.The nozzle of this kind of structure also can make main body 4 carry out sliding or carrying out the adjustment of inclination relative to import department 3, and the air-out direction of nozzle 1 is changed on vertical plane.

Although shown and described and thought preferred embodiments of the invention at present, obviously, those skilled in the art can carry out various changes and improvements, and does not deviate from scope of the present invention as defined in appended claims.

Claims

1. a fan, the nozzle that described fan comprises pedestal and is connected with described pedestal, described nozzle comprises import department and main body, it is characterized in that, described main body can relative to described import department never oblique position slide into oblique position, the first component that described import department comprises suction tude and is connected with described suction tude, described main body comprises frame, for accepting the inner passage of air-flow, for launching the relief opening of air-flow and the opening for allowing described suction tude stretch into, wherein, described first component has at least part to be positioned at described frame, described main part limitation is positioned at the through hole of central authorities.

2. the fan as described in claim l, is characterized in that, described first component contacts with the internal surface of described frame.

3. the fan as described in claim l, is characterized in that, described nozzle also comprises the flexible seals between described first component and described frame.

4. the fan as described in one of claim l to 3, it is characterized in that, described main body also comprises and is positioned at described frame and the second component be connected with described frame, wherein, described second component and described frame form chute, and described first component has part to be arranged in described chute.

5. the fan as described in one of claim l to 3, it is characterized in that, described import department also comprises and is positioned at outer and the 3rd component be connected with described suction tude of described frame, wherein, between the first component and the 3rd component, have gap, described frame has part be arranged in described gap and contact with described 3rd component.

6. the fan as described in one of claim l to 3, is characterized in that, described first component comprises the bending slide plate with through hole.

7. the fan as described in one of claim l to 3, is characterized in that, described pedestal also comprises pneumatic tube, and wherein, described pneumatic tube is connected with the suction tude of described nozzle.

8. the nozzle for fan, described nozzle comprises import department and main body, it is characterized in that, described main body can relative to described import department never oblique position slide into oblique position, the first component that described import department comprises suction tude and is connected with described suction tude, described main body comprise frame, for accept air-flow inner passage, for launching the relief opening of air-flow and the opening for allowing described suction tude stretch into, wherein, described first component has at least part to be positioned at described frame, and described main part limitation is positioned at the through hole of central authorities.

9. nozzle as claimed in claim 8, it is characterized in that, described first component contacts with the internal surface of described frame.

10. the nozzle as described in one of claim 8 to 9, it is characterized in that, described main body also comprises and is positioned at described frame and the second component be connected with described frame, wherein, described second component and described frame form chute, and described first component has part to be arranged in described chute.