CN104165134B

CN104165134B - Fan and the nozzle for fan thereof

Info

Publication number: CN104165134B
Application number: CN201310186724.5A
Authority: CN
Inventors: 任文华
Original assignee: Individual
Current assignee: Xu Jiqiong
Priority date: 2013-05-18
Filing date: 2013-05-18
Publication date: 2016-06-15
Anticipated expiration: 2033-05-18
Also published as: WO2014187270A1; CN105484981A; CN104165134A; CN105927512A; CN105927512B

Abstract

A kind of fan, it includes pedestal and nozzle, this nozzle includes import department and main body, this main body can slide into obliquity relative to import department's never obliquity, this import department includes air inlet pipe and the first component being connected with air inlet pipe, this main body includes shell body, inner passage, air vent and the opening for allowing air inlet pipe stretch into, and wherein, the first component has at least part to be positioned at shell body. Present invention also offers the nozzle for this kind of fan.

Description

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 technology

Traditional fan generally includes the one group of blade rotated around the shaft and for driving this group blade to rotate the motor to produce air-flow. This group blade is usually located in cage, and this cage allows air-flow traverse, and stops human contact to arrive the blade that this group rotates.

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

The shortcoming of this kind of fan is that air-flow produced by rotating vane is usually uneven or " springing up ". This is uncomfortable for the user. Although other disadvantage is that rotating vane is positioned at cage, but in some cases, human body also having the danger touching rotating vane.

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

The rotating vane that this fan does not expose also can produce stable air-flow, improves the quality of air-flow and the safety of use. But, when the head of this fan is in obliquity, its stability is not good; The overall appearance of fan is also affected by large effect.

Summary of the invention

A first aspect of the present invention is to provide for kind of a fan. This kind of fan, it is characterized in that, described fan includes pedestal and the nozzle being connected with described pedestal, described nozzle includes import department and main body, described main body can slide into obliquity relative to described import department never obliquity, described import department includes air inlet pipe and the first component being connected with described air inlet pipe, described main body includes shell body, for accepting the inner passage of air-flow, for launching the air vent of air-flow and the opening for allowing described air inlet pipe stretch into, wherein, described first component has at least part to be positioned at described shell body.

Preferably, described first component is entirely located in described shell body.

The main body of the nozzle of this kind of fan can slide into obliquity relative to the import department of nozzle never obliquity, is conducive to nozzle to change air-out direction on perpendicular easily;Owing to the quality of nozzle is less relative to the quality of pedestal, the main body of nozzle will not make the center of gravity of whole fan that bigger skew occurs relative to the inclination of the import department of nozzle, is conducive to improving the stability of fan; It addition, when the nozzle body of this kind of fan is in obliquity and non-inclined position, the overall appearance of its fan is all better,

Be conducive to attracting user or consumer.

Main body is in inclination angle during maximum inclining position relative to import department and is preferably located between 6 ° to 30 °, it is more preferred between 8 ° to 15 °.

Preferably, the first component contacts with the inner surface of shell body. Such as, the inner surface being positioned near its opening part contacts the first component with shell body. Preferably, the first component and the apparent surface of Outer housing component contacted with the first component correspondingly bend. First component preferably has the lower surface of respective curved, and the Outer housing component that shell body and the first component contact has the inner surface of respective curved. Such as, the lower surface of the first component can be protruding, and the inner surface of the Outer housing component that shell body and the first component contact can be recessed. Again such as, the lower surface of the first component can be recessed, and the inner surface of the Outer housing component that shell body and the first component contact can be protruding.

In a preferred embodiment, described nozzle includes the flexible seals between the first component and shell body. So be conducive to nozzle to keep air-tightness between the first component and shell body, leak from the gap between the first component and shell body reducing air-flow. Described flexible seals preferably includes rubber seal. Described flexible seals can be connected on the first component, it is also possible to is connected on the inner surface of shell body.

Preferably, main body also includes the second component being positioned at shell body and being connected with shell body, and wherein, second component and shell body constitute chute, and the first component has part to be arranged in described chute. So be conducive to the first component to slide in chute, make main body carry out sliding reliably or tilting relative to import department.

Import department preferably includes and is positioned at the 3rd component that shell body is outer and is connected with air inlet pipe, wherein, has gap between the first component and the 3rd component, and shell body has part be arranged in described gap and contact with the 3rd component. So be conducive to shell body to slide in described gap, make main body carry out sliding reliably or tilting relative to import department.

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

Air inlet pipe preferably includes the air inlet pipe of the air inlet pipe of circle, oval air inlet pipe and rectangle. The air inlet pipe of described rectangle preferably includes the air inlet pipe of round rectangle. Air inlet pipe preferably includes the interior section being positioned at described shell body and the exterior section being positioned at outside described shell body.

Nozzle preferably extends around through hole, is entrainmented by described through hole from the air outside nozzle by the air-flow launched from described air vent. Nozzle preferably includes nozzle ring, its nozzle highly preferable between 200mm to 600mm, it is more preferred between 250mm to 500mm.

Air vent preferably includes slot-shaped air vent, and its air vent width in exit is usually located between 0.5mm to 8mm, it is preferable that between 1mm to 3.5mm.

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

In a preferred embodiment, pedestal includes base portion, is positioned at the base below base portion and is positioned at the appendix above base portion, and wherein, appendix is connected with the air inlet pipe of nozzle, and base portion can swing relative to base.

Preferably, the outfan grafting of the air inlet pipe of nozzle and pedestal is also screwed, and is so conducive to the installation or removal between nozzle and pedestal.

A second aspect of the present invention is to provide for planting the nozzle for fan. This kind of nozzle, it is characterized in that, described nozzle includes import department and main body, described main body can slide into obliquity relative to described import department never obliquity, described import department includes air inlet pipe and the first component being connected with described air inlet pipe, described main body includes shell body, for accepting the inner passage of air-flow, for launching the air vent of air-flow and the opening for allowing described air inlet pipe stretch into, wherein, described first component has at least part to be positioned at described shell body.

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

First component preferably contacts with the inner surface of shell body.

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

Import department preferably includes and is positioned at the 3rd component that shell body is outer and is connected with air inlet pipe, wherein, has gap between the first component and the 3rd component, and shell body has part be arranged in described gap and contact with the 3rd component.

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

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

Accompanying drawing explanation

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

Fig. 2 is the side view of the fan shown in Fig. 1.

Fig. 3 is the schematic diagram of the nozzle of the fan shown in Fig. 1.

Fig. 4 is the side view of the nozzle of the fan shown in Fig. 1.

Fig. 5 is the schematic diagram of the pedestal of the fan shown in Fig. 1.

Fig. 6 is the sectional view of the amplification intercepted of the line A A along Fig. 3.

Fig. 7 is the sectional view of the amplification intercepted of the line B B along 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 intercepted of the line C C along 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.

Detailed description of the invention

Fig. 1 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 Fig. 1. It can be seen that fan 100 includes pedestal 2 and the nozzle 1 being positioned on pedestal 2 from Fig. 1 and Fig. 2. Pedestal 2 includes base 10 and the base portion 8 being positioned on base 10, and base portion 8 includes air intlet 9 and the exercisable multiple buttons 11,12 and 13 of user, and air intlet 9 is the form forming the multiple holes on base portion shell. Air outside fan 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 Fig. 1, and Fig. 4 is the side view of the nozzle segment of the fan shown in Fig. 1. It can be seen that nozzle 1 includes main body 4 and import department 3 from Fig. 3 and Fig. 4. And with reference to Fig. 6, Fig. 7 and Fig. 8, the first component 16 that import department 3 includes air inlet pipe 15 and the upper end with air inlet pipe 15 is connected. First component 16 is the plate of the bending with through hole 19, and through hole 19 is the through hole of round rectangle; First component 16 is positioned at shell body 6, and air inlet pipe 15 is the air inlet pipe of round rectangle, and this air inlet pipe 15 is integrated with the first component 16.

Main body 4 includes shell body 6, for accepting the inner passage 14 of air-flow, for launching the air vent 7 of air-flow, for the opening 40 allowing air inlet pipe 15 stretch into and the second component 18 being connected with shell body 6, opening 40 towards downwards, namely when main body 4 is in not obliquity relative to import department 3, opening 40 towards downwards. Second component 18 is fixedly connected preferably by adhesive and shell body 6. Second component 18 has two, and they and shell body 6 constitute two chutes 17, and the first component 16 has part to be arranged in chute 17, makes the first component 16 can slide along chute 17.

It can easily be seen that the first component 16 contacts with the inner surface of shell body 6 from Fig. 6 and Fig. 7, the first component 16 is the plate of bending, and the part that shell body 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, can so that main body 4 slides into obliquity relative to import department 3 never obliquity or slides into not obliquity or slide into another obliquity from an obliquity from obliquity.

In the present embodiment, the lower surface of the first component 16 sliding and be in close contact with the inner surface of shell body 6 all the time during non-slip, is so possible to prevent or reduces air-flow from the gap between the first component 16 and shell body 6 and to pass through opening 40 and leak. Preferably, flexible seals is set between the first component 16 and shell body 6, such as rubber seal, so can be effectively prevented or reduce the leakage of air-flow.

In the present embodiment, main body 4 has the shell body 6 of annular and defines centrally located through hole 5, air vent 7 is positioned at the front portion of main body 4 and is set to before fan to launch air-flow, is roughly parallel to the direction of axis X in the exit of air vent 7 from the air-flow of air vent 7 transmitting; Shell body 6 includes housing 611, housing 612, housing 613 and multiple fixture (not shown in FIG.), air vent 7 is limited by the apparent surface of housing 611 with housing 612, in the internally positioned passage 14 of fixture and with the outlet of air vent 7 at intervals, housing 611, housing 612 and fixture are integral, i.e. integration.

In the present embodiment, air vent 7 is slot-shaped air vent, and its air vent 7 width in exit is about 1.8mm, and the distance between the outlet of fixture and air vent 7 is about 5mm.

Fig. 5 is the schematic diagram of the pedestal of the fan shown in Fig. 1, and Fig. 9 illustrates the internal structure of pedestal. It can be seen that pedestal 2 includes base 10 and has the base portion 8 of shell 21 from Fig. 5 and Fig. 9, in the shell 21 of base portion 8, it is provided with impeller chimney 22, impeller 23 and drives the motor 24 of impeller 23 rotary work. Impeller 23 is positioned at impeller chimney 22, and impeller chimney 22 includes air intlet 34 and air outlet slit 35.

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

In the present embodiment, impeller 23 and impeller chimney 22 are configured to when impeller 23 and motor shell 25 are supported by impeller chimney 22, the blade tips of impeller 23 is very close to the inner surface of impeller chimney 22, but is not exposed to this inner surface, and impeller 23 is substantially coaxial with impeller chimney 22.

Impeller chimney 22 is provided with cable punching hole (not shown in FIG.), a fixing bar 31 of motor shell 25 is also equipped with cable punching hole (not shown in FIG.), cable punching hole on impeller chimney 22 is directed at the cable punching hole on fixing bar 31 and makes cable may pass through, to facilitate cable to be connected to motor 24 from circuit arrangement 37. In the present embodiment, motor shell 25, impeller chimney 22 and impeller 23 are preferably formed by plastics.

The gas skirt 32 that the air-flow formed by impeller 23 converges it is additionally provided with in shell 21, the lower end of gas skirt 32 is connected with motor shell 25, the upper end of gas skirt 32 has the outfan 33 of air outlet slit 39 and is connected with shell 21, and the outlet of gas skirt 32 connects with the air inlet pipe 15 of nozzle 1. Preferably, between gas skirt 32 and air inlet pipe 15, it is connected to one section of flexible pipe, such as one section of rubber tube, uses flexible pipe can decay some vibrations of motor and impeller and noise transmits to nozzle 1.

Impeller chimney 22 is supported by multiple supporting members 29. In fig .9 it will be clear that 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 formed on impeller chimney 22 outer surface, and the lower end of spring element is fixed on the pedestal 28 being connected with shell 21. Owing to supporting member 29 is spring element, spring element can effectively absorb some vibration and noises from motor 24 and impeller 23, and otherwise these vibrations and noise pass to shell 21 easily by impeller chimney 22 and amplify.

Base 10 is for engaging the surface at fan 100 place. Pedestal 2 also includes the swing mechanism for making base portion 8 swing back and forth relative to base 10, and this swing mechanism includes syncmotor 36, and the operation of swing mechanism is responded 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 hunting periods of execution per minute. The hole that cable (not drawing) for supplying power to fan is passed through on base 10 extends.

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

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 bypasses air through in the shell 21 that air intlet 9 enters pedestal 2. 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 advanced in inner passage 14 is launched by air vent 7, partial air around nozzle is entrainmented by the air-flow launched from air vent 7, is so bonded, from air vent 7 air-flow launched and the air-flow that entrainmented, the total air flow launched forward from nozzle 1.

Figure 10 illustrates the fan shown in Fig. 1 and is tilted forward to the side view of a certain position, and Figure 11 illustrates the fan shown in Fig. 1 and tilts backwards the side view to a certain position. From Fig. 1 to Fig. 6, Figure 10 and Figure 11 it can be seen that when main body slides in obliquity process relative to import department's never obliquity, described opening towards changing; Main body 4 carries out sliding or carrying out the adjustment of gradient relative to import department 3, and the air-out direction of nozzle 1 can be made to change on perpendicular, to meet the different demands of user.

Figure 12 illustrates the replacing structure of the nozzle shown in Fig. 7. It can easily be seen that the nozzle of the present embodiment is different with the nozzle shown in Fig. 7 from Figure 12. In the present embodiment, the second component 18 that main body 4 is not connected with shell body 6, and import department 3 also includes being positioned at the 3rd component 20 that shell body 6 is outer and is connected with air inlet pipe 15, wherein, there is gap between the first component 16 and the 3rd component 20, and shell body 6 has 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 gradient relative to import department 3, makes the air-out direction of nozzle 1 change on perpendicular.

While there has been shown and described that it is presently considered to be preferred embodiments of the invention, but it will be apparent that those skilled in the art can carry out various changes and improvements, without departing from the scope of the present invention as defined in appended claims.

Claims

1. a fan, described fan includes pedestal and the nozzle being connected with described pedestal, described nozzle includes import department and main body, it is characterized in that: described main body can slide into obliquity relative to described import department never obliquity, described import department includes air inlet pipe and the first component being connected with described air inlet pipe, described main body includes shell body, for accepting the inner passage of air-flow, for launching the air vent of air-flow and the opening for allowing described air inlet pipe stretch into, wherein, described first component has at least part to be positioned at described shell body; Described first component includes the slide plate with the bending of the first through hole; Described main body defines the second centrally located through hole; When described main body is in not obliquity relative to described import department, described opening towards downwards; When described main body slides in obliquity process relative to described import department never obliquity, described opening towards changing.

2. the fan as described in claim l, it is characterised in that described first component contacts with the inner surface of described shell body; Described main body is in inclination angle during maximum inclining position between 6 ° to 30 ° relative to described import department.

3. the fan as described in claim l, it is characterised in that described nozzle also includes the flexible seals between described first component and described shell body.

4. the fan as described in one of claim l to 3, it is characterized in that, described main body also includes the second component being positioned at described shell body and being connected with described shell body, wherein, described second component and described shell body constitute 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 includes being positioned at the 3rd component that described shell body is outer and is connected with described air inlet pipe, wherein, having gap between the first component and the 3rd component, described shell body 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, it is characterised in that described pedestal also includes appendix, wherein, described appendix is connected with the air inlet pipe of described nozzle.

7. the nozzle for fan, it is characterized in that, described nozzle includes import department and main body, described main body can slide into obliquity relative to described import department never obliquity, described import department includes air inlet pipe and the first component being connected with described air inlet pipe, described main body includes shell body, for accepting the inner passage of air-flow, for launching the air vent of air-flow and the opening for allowing described air inlet pipe stretch into, wherein, described first component has at least part to be positioned at described shell body; Described first component includes the slide plate with the bending of the first through hole; Described main body defines the second centrally located through hole; When described main body is in not obliquity relative to described import department, described opening towards downwards; When described main body slides in obliquity process relative to described import department never obliquity, described opening towards changing.

8. nozzle as claimed in claim 7, it is characterised in that described first component contacts with the inner surface of described shell body; Described main body is in inclination angle during maximum inclining position between 6 ° to 30 ° relative to described import department.

9. the nozzle as described in one of claim 7 to 8, it is characterized in that, described main body also includes the second component being positioned at described shell body and being connected with described shell body, wherein, described second component and described shell body constitute chute, and described first component has part to be arranged in described chute.