CN105317663A - Fan assembly - Google Patents
Fan assembly Download PDFInfo
- Publication number
- CN105317663A CN105317663A CN201510834847.4A CN201510834847A CN105317663A CN 105317663 A CN105317663 A CN 105317663A CN 201510834847 A CN201510834847 A CN 201510834847A CN 105317663 A CN105317663 A CN 105317663A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- fan component
- component according
- pedestal
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan assembly which comprises a spray nozzle and a draught fan used for generating air flow in the spray nozzle, wherein the spray nozzle comprises an inner channel and a nozzle part which is communicated with the inner channel and used for jetting the air flow; the draught fan is arranged on a base body through a shock absorbing mechanism; the shock absorbing mechanism comprises a first elastic pad arranged between the fan and the base body; and the first elastic pad is provided with at least one S-shaped elastic part which is connected on the inner wall of the base body. The shock absorbing structure of the S-shaped elastic part is arranged between the draught fan and the base body, so that greater vibration buffering range is achieved, and therefore, vibration noises generated by operation vibration of the draught fan can be effectively reduced.
Description
Technical field
The present invention relates to a kind of electric fan, particularly relate to a kind of fan component of Bladeless, it comprises nozzle and the blower fan for generation of air-flow in described nozzle; Described nozzle comprises inner passage and is communicated with described inner passage and the mouth of jet-stream wind.
Background technique
Blade-free electric fan has good Security and unique air-out mode because of it, commercially more and more receives an acclaim.The wind of this kind of fan needs to produce by hiding the impeller rotated in the base.The Chinese utility model patent being CN201884311U as notification number discloses a kind of fan component producing air-flow, and described fan component comprises the nozzle be arranged on base portion.Described base portion comprises frame; Be contained in the impeller hood in described frame, described impeller hood has air inlet and air outlet slit; Be positioned at the impeller of impeller hood; With drives impeller to produce the motor through the air-flow of impeller hood.Described nozzle comprises inner passage and mouth for receiving air-flow from the air outlet slit of impeller hood, and air-flow is penetrated from fan component by mouth, and wherein flexible sealing member is between described frame and described impeller hood.Air, around Axis Extension, to limit opening, is aspirated through opening from the described air-flow of mouth injection by nozzle outside described fan component.
Blade-free electric fan has good Security and unique air-out mode because of it, commercially more and more receives an acclaim.But the wind due to this kind of fan needs the impeller by hiding High Rotation Speed in the base to produce, wind is made an uproar and the superposition of motor vibrating noise, makes the noise of whole fan be difficult to meet the requirement of Consumer.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fan component, and it by arranging a shock-damping structure between blower fan and pedestal, and the running reducing blower fan shakes and the vibrating noise of generation.In addition, motor, by the indirect drives impeller of a speed increasing mechanism, makes motor be bearing on pedestal by shock-damping structure, reduces the inertia vibrations that blower fan gravity produces, makes noise reduction effect better.Meanwhile, owing to using speed increasing mechanism, the rotating speed of motor can be reduced, reduce the wearing and tearing of motor, improve the working life of motor.
Technological scheme of the present invention is: a kind of fan component, comprises nozzle and the blower fan for generation of air-flow in described nozzle; Described nozzle comprises inner passage and is communicated with described inner passage and the mouth of jet-stream wind; Described blower fan is arranged on a pedestal by a shock-damping structure; Described shock-damping structure comprises the first cushion be arranged between described blower fan and pedestal; Described first cushion is provided with at least one spring section that is S-shaped and that be connected on described base vivo wall.By arranging the shock-damping structure that has S-shaped spring section between blower fan and pedestal, have larger vibrations buffering range, the running that effectively can reduce blower fan shakes and the vibrating noise of generation.
In addition, motor, by the indirect drives impeller of a speed increasing mechanism, makes motor be bearing on pedestal by shock-damping structure, reduces the inertia vibrations that blower fan gravity produces, makes noise reduction effect better.Meanwhile, owing to using speed increasing mechanism, the rotating speed of motor can be reduced, reduce the wearing and tearing of motor, improve the working life of motor with the life-span, reduce the manufacture cost of motor.In addition, the vibrating noise of motor is decreased by the suspension of motor.
As a kind of optimal technical scheme, described shock-damping structure also comprises the second cushion be arranged between described motor and described pedestal, is provided with a damping chamber in described second cushion.The setting of this second cushion, makes motor be bearing on pedestal by shock-damping structure, reduces motor inertia vibrations because of gravity generation in blower fan, makes noise reduction effect better.
As a kind of optimal technical scheme, described blower fan comprises a frame, and is articulated in the impeller of frame central and the motor of a drives impeller; Described motor is suspended at the side of described frame, and described driving comprises a speed increasing mechanism.Use this driving structure, one is that the more convenient weight of motor that makes is bearing on pedestal by shock-damping structure, and two is that motor is by the indirect drives impeller of a speed increasing mechanism, the rotating speed of motor can be reduced, reduce the wearing and tearing of motor, improve the working life of motor with the life-span, reduce the manufacture cost of motor.
Particularly, described first cushion be one with frame upper end be soft material joined integrally.
In order to improve stationarity and the air flow arrangement of wheel rotation, described frame comprises the lower support frame of supporting impeller shaft lower end; Described motor is suspended on described lower support frame, and described speed increasing mechanism is connected to described rotating shaft lower end.
In order to the rotating speed of stable impeller, reduce vibrations and drive noise, particularly, described speed increasing mechanism comprises a synchronous cog belt.
As a kind of optimal technical scheme, described nozzle comprises in the straight portion upwards extended and the backarc portion closed in upper end of nozzle; This backarc portion is in extending to rear arc.The setting of this nozzle makes to increase at the air outlet angle of vertical direction, while improving blowing area, improves the appearance and modeling of fan component.
As a kind of optimal technical scheme, be provided with inlet hole and be provided with one extended ringwise and the base connected to opposite side by side in the side of described pedestal, the protruding distance of described base and the backarc portion of the described nozzle distance that stretches out is corresponding.Arranged by the base corresponding with upper end of nozzle, improve the stable in placement of fan component, thus vibrations can be reduced further, improve the comfort of fan component.
In order to keep the velocity ratio of speed increasing mechanism, improve transmission efficiency, described speed increasing mechanism also comprises a tensioning mechanism.
In order to improve the intake efficiency of fan component, effectively utilizing the intracavity space of pedestal, being provided with a control chamber being positioned above described blower fan at the inner chamber of described pedestal, being provided with control panel at the end face of pedestal.By control chamber being arranged on the top of pedestal, namely electrical wiring can be simplified, the control panel position of simultaneously raising, the use of more convenient user.
Adopting technological scheme of the present invention, by arranging the shock-damping structure that has S-shaped spring section between blower fan and pedestal, having larger vibrations buffering range, the running effectively reducing blower fan shakes and the vibrating noise of generation.In addition, motor, by the indirect drives impeller of a speed increasing mechanism, makes motor be bearing on pedestal by shock-damping structure, decreases the inertia vibrations that blower fan gravity produces, makes noise reduction effect better.Meanwhile, owing to employing speed increasing mechanism, reduce the rotating speed of motor, decrease the wearing and tearing of motor, improve the working life of motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is structural representation of the present invention, and in figure, pedestal cross-section is with show internal structure.
Fig. 3 is the structural representation of blower fan in the present invention.
Fig. 4 is the structural representation of the first beam in the present invention.
Wherein, pedestal 1, inlet hole 101, control chamber 102, control panel 103, base 2, sidepiece 201, support 202, nozzle 3, mouth 301, straight portion 302, arc portion 303, inner passage 304, blower fan 4, frame 401, frame main body 4011, upper bracket 4012, upper support block 4013, lower support frame 4014, fixed structure 4015, impeller 402, impeller shaft 403, speed increasing mechanism 404, driven wheel 4041, driving wheel 4042, rotating band 4043, motor 405, shock-damping structure 5, first beam 501, support 5011, spring section 5012, clinch 5013, second beam 502, damping chamber 5021.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
See Fig. 1 and Fig. 2, a kind of fan component, the nozzle 3 comprising pedestal 1, be arranged on the blower fan 4 in pedestal inner chamber and be connected on pedestal 1.This nozzle 3 is upwards extended by the curved band shape in pedestal 1 both sides and is closed the top in nozzle, comprises the arc portion 303 that straight portion 302 and upper end are closed.Arc portion 303 is curved extends back for this.Be provided with inner passage 304 in the inside of this nozzle 3, be provided with the mouth 301 extended along edge in this nozzle 3 back, the opening of this mouth 301 is communicated with inner passage 304 and points to front.
A base 2 is provided with in the outside of pedestal 1.This base 2 comprises the sidepiece 201 be connected on pedestal 1 bi-side and the support 202 being extended to pedestal 1 opposite side by pedestal 1 side from pedestal 1 rear.The support 202 of this base 2 protrudes distance backward and extends back apart from corresponding with arc portion, nozzle 3 upper end 303, keeps the center of gravity of fan component.The straight portion 302 of nozzle 3 is connected to the both sides of pedestal 1 and concordant with the sidepiece 201 of base 2.Pedestal inner space above the inner passage 304 of nozzle 3 and blower fan 4.
See Fig. 3 and Fig. 4, blower fan 4 comprises frame 401, impeller 402, motor 405 and speed increasing mechanism 404.The frame main body 4011 of this frame 401 is provided with the inner chamber that is roughly inversed taper platform shape, upper and lower opening place is fixed with a upper bracket 4012 and lower support frame 4014 respectively, impeller 402 is articulated between this upper bracket 4012 and lower support frame 4014 by an impeller shaft 403, is provided with bearing at the pivot joint axle head of impeller shaft 403.Upper bracket 4012 and lower support frame 4014 are respectively equipped with suction port and air outlet, and this suction port and air outlet are all uniform in circumference around impeller shaft 403.
An outwardly upper support block 4013 is provided with in the lower end, side of frame main body 4011, be provided with one in the respective side of lower support frame 4014 to be connected with upper support block 4013 and to form the fixed structure 4015 of an inner chamber, motor 405 is fixedly suspended on lower support frame 4014 by this fixed structure 4015, and the live axle of motor 405 extends upwardly in this inner chamber.Speed increasing mechanism 404 is a belt step-up drive in the present embodiment, comprise be arranged on driving wheel 4042 on motor 405 live axle, the driven wheel 4041 be arranged in the lower shaft end of impeller shaft 403 is connected driving wheel 4042 and the rotating band 4043 on driven wheel 4041 with one.In the present embodiment, this rotating band 4043 is a synchronous cog belt.
Blower fan 4 is connected on pedestal 1 by a shock-damping structure 5, to reduce vibrations and the noise of blower fan 4.This shock-damping structure 5 comprises the first cushion 501 be arranged between frame main body 4011 and pedestal 1 and the second cushion 502 be arranged between motor 405 lower end and pedestal 1.This first cushion 501 be one with frame main body 4011 upper end be soft material joined integrally.This first cushion 501 is arranged on the upper shed edge of frame main body 4011, comprise support 5011, with the spring section 5012 of support 5011 smooth connection and the clinch 5013 at the end of this spring section 5012.This clinch 5013 and the curved transition of spring section 5012.This spring section 5012 is S-shaped from the upper end of this support 5011 to be back and forth overlapped on the shoulder pedestal 1 inwall to downward-extension by clinch 5013.The thickness of spring section 5012 is less than the thickness of support 5011 and clinch 5013.In the present embodiment, this spring section 5012 is that two continuous reciprocal S shapes are stacked and form.A damping chamber 5021 is provided with in the second cushion 502.
The top that present intracoelomic cavity is positioned at blower fan 4 is provided with a control chamber 102 closed, and is provided with and controls relevant electric component in control chamber 102.This pedestal 1 is provided with an end face turned forward, and end face is provided with control panel 103.
Impeller 402, by being arranged on motor 405 on frame 401 side and rotating band 4043 carries out gear, reducing the rotation speed requirements to motor 405, improves the working life of motor 405 when making maintenance impeller 402 rotating speed constant.Blower fan 4 sucks outside air by the driving of motor 405 from the inlet hole 101 of pedestal 1 both sides and produces high velocity air in the air outlet of the suction port through lower support frame 4014 and upper bracket 4012, and through the inner passage 304 of nozzle 3 from mouth 301 ejection at a high speed, drive the air in nozzle 3 localized area to produce the wind of multiplication.
Specific embodiment is to more clearly understand the present invention, do not limit as to the one of right of the present invention, under the prerequisite not departing from present inventive concept, various change can be had, all these to the apparent amendment of described those skilled in the art by be included in this claim scope within.
Claims (10)
1. a fan component, comprises nozzle and the blower fan for generation of air-flow in described nozzle; Described nozzle comprises inner passage and is communicated with described inner passage and the mouth of jet-stream wind; It is characterized in that: described blower fan is arranged on a pedestal by a shock-damping structure; Described shock-damping structure comprises the first cushion be arranged between described blower fan and pedestal; Described first cushion is provided with at least one spring section that is S-shaped and that be connected on described base vivo wall.
2. fan component according to claim 1, is characterized in that: described shock-damping structure also comprises the second cushion be arranged between described motor and described pedestal, is provided with a damping chamber in described second cushion.
3. fan component according to claim 1 and 2, is characterized in that: described blower fan comprises a frame, and is articulated in the impeller of frame central and the motor of a drives impeller; Described motor is suspended at the side of described frame, and described driving comprises a speed increasing mechanism.
4. fan component according to claim 3, is characterized in that: described first cushion be one with frame upper end be soft material joined integrally.
5. fan component according to claim 3, is characterized in that: described frame comprises the lower support frame of supporting impeller shaft lower end; Described motor is suspended on described lower support frame, and described speed increasing mechanism is connected to described rotating shaft lower end.
6. fan component according to claim 3, is characterized in that: described speed increasing mechanism comprises a synchronous cog belt.
7. fan component according to claim 1 and 2, is characterized in that: described nozzle comprises in the straight portion upwards extended and the backarc portion closed in upper end of nozzle; This backarc portion is in extending to rear arc.
8. fan component according to claim 3, is characterized in that: described nozzle comprises in the straight portion upwards extended and the backarc portion closed in upper end of nozzle; This backarc portion is in extending to rear arc.
9. fan component according to claim 8, it is characterized in that: be provided with inlet hole in the side of described pedestal and be provided with one and extended ringwise and the base connected to opposite side by side, the protruding distance of described base and the backarc portion of the described nozzle distance that stretches out is corresponding.
10. fan component according to claim 3, is characterized in that: described speed increasing mechanism also comprises a tensioning mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834847.4A CN105317663A (en) | 2015-11-25 | 2015-11-25 | Fan assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510834847.4A CN105317663A (en) | 2015-11-25 | 2015-11-25 | Fan assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105317663A true CN105317663A (en) | 2016-02-10 |
Family
ID=55245771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510834847.4A Pending CN105317663A (en) | 2015-11-25 | 2015-11-25 | Fan assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105317663A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762851A (en) * | 2016-11-15 | 2017-05-31 | 美的集团股份有限公司 | Bladeless fan |
| WO2019106335A1 (en) * | 2017-12-01 | 2019-06-06 | Dyson Technology Limited | A fan assembly |
| US11022146B2 (en) | 2017-12-01 | 2021-06-01 | Dyson Technology Limited | Fan assembly |
| CN113357204A (en) * | 2020-03-04 | 2021-09-07 | Lg电子株式会社 | Air blower |
| EP3919749A1 (en) * | 2020-06-02 | 2021-12-08 | LG Electronics Inc. | Fan apparatus for air conditioner |
-
2015
- 2015-11-25 CN CN201510834847.4A patent/CN105317663A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762851A (en) * | 2016-11-15 | 2017-05-31 | 美的集团股份有限公司 | Bladeless fan |
| CN106762851B (en) * | 2016-11-15 | 2019-08-30 | 美的集团股份有限公司 | Bladeless fan |
| WO2019106335A1 (en) * | 2017-12-01 | 2019-06-06 | Dyson Technology Limited | A fan assembly |
| US11022146B2 (en) | 2017-12-01 | 2021-06-01 | Dyson Technology Limited | Fan assembly |
| CN113357204A (en) * | 2020-03-04 | 2021-09-07 | Lg电子株式会社 | Air blower |
| CN113357204B (en) * | 2020-03-04 | 2023-11-17 | Lg电子株式会社 | Blower fan |
| EP3919749A1 (en) * | 2020-06-02 | 2021-12-08 | LG Electronics Inc. | Fan apparatus for air conditioner |
| US11542956B2 (en) | 2020-06-02 | 2023-01-03 | Lg Electronics Inc. | Blower |
| US11885336B2 (en) | 2020-06-02 | 2024-01-30 | Lg Electronics Inc. | Blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160210 |
|
| WD01 | Invention patent application deemed withdrawn after publication |