CN107476963A - A kind of fan - Google Patents
A kind of fan Download PDFInfo
- Publication number
- CN107476963A CN107476963A CN201710922925.5A CN201710922925A CN107476963A CN 107476963 A CN107476963 A CN 107476963A CN 201710922925 A CN201710922925 A CN 201710922925A CN 107476963 A CN107476963 A CN 107476963A
- Authority
- CN
- China
- Prior art keywords
- air
- fan
- fan assembly
- cavity
- inlet cavity
- 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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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
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
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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
Abstract
The present invention relates to a kind of household electrical appliance, particularly a kind of fan, including pedestal and nozzle, control panel is provided with the pedestal, and there is hollow cavity in pedestal, the fan assembly electrically connected with control panel is installed in the cavity, and the top of cavity is connected with nozzle, it is characterised in that：The supporting part of support fan assembly is provided with the inwall of the cavity, the air-inlet cavity formed below of the supporting part, multiple fresh air inlets are provided with the lateral wall of the air-inlet cavity, air intake intracavitary is stretched into the bottom of the fan assembly through plane where supporting part, impeller is provided with the fan assembly, and the lower surface of fan assembly has the suction opeing that impeller twitches air, the height of the air-inlet cavity is H, and the suction opeing to the height of air-inlet cavity bottom be H1, wherein, H1 is at least above 1/3H.The present invention effectively solves the problems, such as fan assembly idle running compared to prior art.
Description
Technical field
The present invention relates to household electrical appliance technical field, more specifically to a kind of fan.
Background technology
An existing number of patent application is CN201710035294.5, the application for a patent for invention of entitled " fan ".
A kind of bladeless fan is disclosed in the patent application, wherein, motor is installed in electric machine casing, and impeller housing and electric machine casing
Compresses lower section connection, and the top section of circular diffuser housing and electric machine casing connect, so as to form whole fan assembly,
Also, also disclose in the disclosure in this patent, impeller housing is installed on the annular seating in the main part part in body portion, is realized
The installation of whole fan assembly is fixed.
For the patent application, air-inlet cavity is stretched into fan assembly air-inlet cavity, the bottom of fan assembly formed below
It is interior.The present inventor carries out research discovery for the fan, for the bladeless fan of this kind of structure, when fan assembly operates, electricity
Machine impeller rotates at a high speed, and impeller there is a situation where to dally can not normal exhausting.Meanwhile also without normal air in nozzle
Stream sprays.The present inventor is by constantly studying discovery, because not having normal air flow in air-inlet cavity, impeller can not
Conveying air flow to nozzle and caused.
The content of the invention
To solve the above problems, the invention provides a kind of fan, can normal exhausting, be not in idle running fan.
To achieve the above object, the present invention provides following technical scheme：
A kind of fan, including pedestal and nozzle, control panel is provided with the pedestal, and there is hollow chamber in pedestal
Body, the fan assembly electrically connected with control panel is installed in the cavity, and the top of cavity is connected with nozzle, the cavity
The supporting part of support fan assembly, the air-inlet cavity formed below of the supporting part, the outside of the air-inlet cavity are provided with inwall
Multiple fresh air inlets are provided with wall, air intake intracavitary, the wind are stretched into the bottom of the fan assembly through plane where supporting part
Impeller is provided with thermomechanical components, and the lower surface of fan assembly has the suction opeing that impeller twitches air, the height of the air-inlet cavity
Spend for H, and the suction opeing to the height of air-inlet cavity bottom be H1, wherein, H1 is at least above 1/3H.
Further, the volume of the air-inlet cavity is V, wherein, V=0.6L~2.5L, also, the side wall of the air-inlet cavity
Surface area is S1, and the gross area of multiple fresh air inlets is S2, wherein, S2 is at least above 1/3S1.
Further, wherein, H1=28mm~80mm；
Or H1≤the 4/5H；
Or motor is provided with the fan assembly, and the load speed of motor is n, wherein, n=5100r/min~
7900r/min。
Further, the supporting part includes being arranged on inside cavities wall inwardly protruded support protrusion and dismountable
The support member being installed in support protrusion, the support member top have annular support surface, and the fan assembly, which has to take, to be held in
Annular on annular support surface takes the portion of holding.
Further, the annular support surface and annular are provided with seal between taking the portion of holding, and the seal is by sound-absorbing
Material is made；
Or the fan assembly includes fan body and the installation housing being set on the outside of fan body, the installation
Housing is fixedly connected with fan body, and the annular takes the portion of holding on installation housing；
Or motor is provided with the fan assembly, the wire harness electrically connected with motor is through fan assembly and stretches out wind
On the outside of thermomechanical components, the annular is taken and cable hole is provided with the portion of holding, and the wire harness passes through cable hole and annular support surface and blower fan
Control panel electrical connection below component；
Or button bit is provided with the madial wall of the cavity, and corresponding Access Division is provided with the support member, it is described
Support member is fixed in cavity by the clamping engagement of Access Division and button bit.
Further, the pedestal includes the installation cylinder on top and the base below installation cylinder, the installation
The bottom of cylinder is provided with isolation bottom plate, and the air-inlet cavity is surrounded and formed by supporting part, installation cylinder inboard wall and isolation bottom plate, and
For the fresh air inlet in the side wall of installation cylinder, the control panel encloses the installation cavity to be formed positioned at isolation bottom plate with base
It is interior, it is provided through isolating the wire harness that bottom plate electrically connects with control panel on the fan assembly.
Further, in air-inlet cavity, sound-absorbing pad is provided with the isolation bottom plate.
Further, the rear end of the fan assembly is set with shock absorbing ring, and the outside of the shock absorbing ring is pushed against in cavity
On wall.
Further, it is provided with shock absorber part between the supporting part and fan assembly.
Further, mounting hole is provided with the fan assembly, support column is taken through mounting hole and is held on supporting part, institute
Stating has the elastic spacing portion for preventing support column from deviating from from mounting hole at the top of support column, and the bottom of support column has limit convex
Block, meanwhile, the spring being set with the support column under compressive state, and the upper end of spring is pushed against under mounting hole
End, the lower end of spring are pushed against on the spacing block set of support column, wherein, shock absorber part is the spring under compressive state.
By foregoing description, the bottom of fan assembly provided by the invention is extend into air-inlet cavity, and fan assembly moves
When turning, air to be twitched upwards and enters nozzle, air-inlet cavity is interior to be presented negative pressure state because air is reduced, meanwhile, outside sky
Gas realizes air pressure in air-inlet cavity because the suction function of air-inlet cavity can be added in air-inlet cavity by the fresh air inlet of air-inlet cavity side wall
Balance.Also, according to number of patent application CN201710035294.5 record, impeller, and blower fan are provided with fan assembly
The lower surface of component is the suction opeing that impeller twitches air, and the present inventor is existing by studying, when suction opeing is apart from air-inlet cavity bottom
Height H1 be less than air-inlet cavity height H 1/3 when, the area of space W below suction opeing is smaller, when impeller moment evacuate should
After air in area of space W, area of space W is rendered as vacuum state.At the same time, the air stream outside air-inlet cavity, with
And the air stream in air-inlet cavity above suction opeing is influenceed to flow to region W by area of space W negative pressure of vacuum,
Due to being rendered as horizontality when the air stream of outside enters by fresh air inlet in air-inlet cavity, and it is located at the suction opeing in air-inlet cavity
The air stream of top is rendered as vertical state when flowing into area of space W, can form eddy-currents when two bursts of air streams are met, no
Only the eddy-currents cannot be introduced into the W of the region, and the air outside air-inlet cavity can not also pass through air intake due to the influence of eddy-currents
Hole is entered back into air-inlet cavity, so that during wheel rotation, can not normally twitch air, idle running phenomenon occurs in fan assembly, should
Phenomenon is similar conventional that blade fan is the same, and fan can not normally dry.The present inventor is had found by studying, and is come for the present invention
Say, height H1 of the suction opeing apart from air-inlet cavity bottom at least requires the height H more than 1/3 air-inlet cavity, could realize fan assembly
During turn, the phenomenon of impeller idle running will not occur.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1；
Fig. 3 is the mplifying structure schematic diagram at B in Fig. 1；
Fig. 4 is the decomposition texture schematic diagram of pedestal and support member in Fig. 1；
Fig. 5 is the mounting structure schematic diagram of pedestal and support member in Fig. 1；
Fig. 6 is the mplifying structure schematic diagram at C in Fig. 5；
Fig. 7 is the mplifying structure schematic diagram at D in Fig. 5；
Fig. 8 is the structural representation of fan assembly in Fig. 1；
Fig. 9 is the structural representation of the embodiment of the present invention two；
Figure 10 is the mplifying structure schematic diagram at E in Fig. 9；
Figure 11 is the mplifying structure schematic diagram at F in Fig. 9.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in Figures 1 to 8, it is the structural representation of the first embodiment of the invention.A kind of fan, including the He of pedestal 1
Nozzle 2, control panel 3 is provided with the pedestal 1, and there is hollow cavity 10 in pedestal 1, be provided with the cavity 10 and
The fan assembly 4 that control panel 3 electrically connects, and the top of cavity 10 is connected with nozzle 2, and branch is provided with the inwall of the cavity 10
The supporting part of fan assembly 4, the air-inlet cavity formed below 100 of the supporting part are supportted, the supporting part includes being arranged at cavity 10
Support protrusion 11 and the support member 5 being mounted in support protrusion 11 on madial wall, the top of support member 5 has
Annular support surface 51, the fan assembly 4, which has, to be taken the annular that is held on annular support surface 51 and takes the portion of holding 41, wherein, the wind
Thermomechanical components 4 include fan body 42 and are set in the installation housing 43 in the outside of fan body 42, the installation housing 43 and blower fan
Body 42 is fixedly connected and (is not drawn into figure) by screw or buckle, and the annular takes the portion of holding 41 positioned at installation housing 43
On, in the present embodiment, fan assembly 4 (is not drawn into) being fixed on support member by way of screw is fixed or buckle is fixed in figure
On 5.Also, shake to reduce when fan assembly 4 works, also set between annular support surface 51 and annular take the portion of holding 41
Put shock absorber part 7.For the present embodiment, the shock absorber part 7 is flexible silica gel part or foaming piece.
Meanwhile motor 48 is provided with the fan assembly 4, motor shaft is fixedly arranged at the front end with impeller 49, and fan assembly 4
Lower surface there is the suction opeing 490 that impeller 49 twitches air, also, the bottom of fan assembly 4 is through support member 5 and extending into
In air-inlet cavity 100.Also, the wire harness 6 electrically connected with motor is through fan assembly 4 and stretches out the outside of fan assembly 4, the annular
Take and cable hole 410 is provided with the portion of holding 41, the wire harness 6 passes through cable hole 410, shock absorber part 7 and annular support surface 51 and blower fan
The control panel 3 of the lower section of component 4 electrically connects.In addition, the pedestal 1 includes the installation cylinder 12 on top and under installation cylinder 12
The base 13 of side, installation cylinder 12 bottom have isolation bottom plate 14, wherein, air-inlet cavity 100 by supporting part, cavity inner wall and
Isolation bottom plate 14 surrounds to be formed, also, multiple fresh air inlets 15 is provided with the side wall of air-inlet cavity 100, the control panel 3 be located at every
Enclosed from bottom plate 14 and base 13 in the installation cavity 130 to be formed, wherein, wire harness 6 is electrically connected through isolation bottom plate 14 with control panel 3
Connect.
In the present embodiment, due to being provided with motor in fan assembly, and the load speed of motor is n, wherein, n=
5100r/min~7900r/min.Also, carbon dust can be produced during motor high-speed rotation, isolation bottom plate had both been used to isolate electricity
Machine and control panel, prevent the broken control panel that enters of carbon dust from causing short circuit, in addition, isolation bottom plate, which can also isolate, slows down fan assembly
Noise outwards transmits caused by operating.Meanwhile in order to improve isolation bottom plate every in noise result, the present embodiment, also every
From sound-absorbing pad 141 is provided with bottom plate 14, the sound-absorbing pad 141 is made up of sound-absorbing material, such as acoustical cotton etc..Certainly, for this
For embodiment, motor can also select non-carbonate brushless electric machine, and cost is relative to be improved.When the present embodiment selects brush motor
When, filter screen preferably is set in the junction of nozzle and pedestal, to filter carbon dust.
In addition, in the present embodiment, button bit 16 is provided with the madial wall of the cavity 10, is provided with the support member 5
Corresponding Access Division 56, the support member 5 are fixed in cavity 10 by the clamping engagement of Access Division 56 and button bit 16.Meanwhile
Stopper slot 17 is additionally provided with the support protrusion 11, the spacing block set being provided with the support member 5 in insertion stopper slot 17
57, the cooperation of the spacing block set 57 and stopper slot 17 can realize the rotation stop of support member 5 and pedestal 1, to prevent fan assembly
During operating, fan assembly can drive support member that circumferential rotation occurs, so as to easily cause fan to shake.Come for the present embodiment
Say, a plurality of reinforcement 18 for setting oriented support protrusion 11 to extend on the madial wall of cavity 10, and stopper slot 17 is by adjacent
Reinforcement 18, which encloses, to be formed.
It is that fan assembly is supported by support member for the present embodiment, realizes the installation of fan assembly, meanwhile,
Support member is installed on by dismountable mounting means in the support protrusion of cavity inner wall shaping.Come compared to prior art
To say, the mould structure of pedestal is simpler, and manufacturing cost is lower, simultaneously as support member and pedestal are detachable mounting means,
Base outer wall surface is smooth, and shrink vestige during injection molding will not occur.Also, the bladeless fan of the present embodiment, branch
Support member is supported by support protrusion, and fan assembly be by support member at the top of annular support surface support, both ensure that support member
With the installation strength of fan assembly, annular support surface also increases the contact surface to fan assembly, when fan assembly works, not allowed
Easily shake phenomenon, so as to reduce the probability that fan produces vibrating noise.
Meanwhile for the present embodiment, the height of the air-inlet cavity is H, i.e., support protrusion to isolation bottom plate it is vertical
Highly, and the suction opeing to the height of air-inlet cavity bottom be H1, i.e., suction opeing to isolation bottom plate vertical height.For this reality
To apply for example, the bottom of fan assembly is extend into air-inlet cavity, during fan assembly turn, is twitched air upwards and is entered nozzle,
Negative pressure state is presented because air is reduced in air-inlet cavity, meanwhile, outside air can pass through due to the suction function of air-inlet cavity
The fresh air inlet of air-inlet cavity side wall is added in air-inlet cavity, realizes the balance of air pressure in air-inlet cavity.Also, according to number of patent application
CN201710035294.5 record, impeller is provided with fan assembly, and the lower surface of fan assembly is that impeller twitches air
Suction opeing, the present inventor is existing by studying, when height H1 of the suction opeing apart from air-inlet cavity bottom is less than the 1/ of air-inlet cavity height H
When 3, the area of space W below suction opeing is smaller, after impeller moment the air in area of space W is evacuated, the space
Region W is rendered as vacuum state.At the same time, in the air stream outside air-inlet cavity, and air-inlet cavity above suction opeing
Air stream is influenceed to flow to region W by area of space W negative pressure of vacuum, because the air stream of outside passes through fresh air inlet
Horizontality is rendered as when in into air-inlet cavity, and the air stream in air-inlet cavity above the suction opeing flows into the area of space
Vertical state is rendered as during W, eddy-currents can be formed when two bursts of air streams are met, not only the eddy-currents cannot be introduced into the region
In W, air outside air-inlet cavity is because the influence of eddy-currents can not be also entered back into air-inlet cavity by fresh air inlet, so that leaf
When wheel rotates, can not normally twitch air, there is idle running phenomenon in fan assembly, the phenomenon it is similar it is conventional have that blade fan is the same, wind
Fan can not normally dry.The present inventor is had found by studying, for the present embodiment, height of the suction opeing apart from air-inlet cavity bottom
Degree H1 at least requires the height H more than 1/3 air-inlet cavity, and when could realize fan assembly turn, showing for impeller idle running will not occur
As.For the present embodiment, H1 is optionally 28mm~80mm, wherein, H1 is preferably 35mm~50mm.In the present embodiment
In, air intake intracavitary is stretched into the bottom of fan assembly, wherein, H1 is also unsuitable excessive, and the present inventor is had found by studying, if H1 is more than
4/5H, then integrally moved up when fan assembly is installed, now, fan assembly center of gravity moves up, and considers with reference to package size, fan
The possibility easily toppled over.Therefore, for the present embodiment, H1 is generally no greater than 4/5H.
In addition, for the present embodiment, the volume of the air-inlet cavity is V, wherein, V=0.6L~2.5L, also, institute
The sidewall surfaces product for stating air-inlet cavity is S1, and the gross area of multiple fresh air inlets is S2, wherein, it is desirable to S2 is at least above 1/3S1.Cause
Found for, the present inventor by studying, if the area S2 of fresh air inlet is less than 1/3S1, equivalent to when fan assembly works, impeller
More air can be evacuated, but because the area of fresh air inlet is smaller, the air in air-inlet cavity can not be timely padded, so as to
Also occur, the phenomenon to dally occurs in fan assembly, now, air stream will not be sprayed at nozzle.
For the present embodiment, shock absorber part, which removes, to be used to shake when reducing fan assembly operating, can be also used for close
Envelope annular support surface takes the portion of holding with annular, and extraneous air stream can be allowed to be blown into nozzle by fan assembly unique passage, realize energy
The aggregation of amount, improve the aspect of blowing efficiency of fan.Certainly, for the present embodiment, shock absorber part can also be made up of sound-absorbing material.
Meanwhile the rotation stop of support member and pedestal is not limited to the structure of the present embodiment, and limit rib can also be set on cavity inner wall, is propping up
Stopper slot etc. is set in support member, the rotation stop effect of support member can also be realized.Also, for the present embodiment, housing is installed
With fan main body in addition to removable installation, a non-removable entirety can also be made.In the present embodiment, installation housing with
The installation of fan main body is general to adopt and is screwed or mode that buckle is fixed, certainly, due in the present embodiment, fan main body
The tapered structure in bottom and top, therefore, installation housing can also be without fastenings with fan main body, it is only necessary to fan main body and peace
Spline structure is set between dress housing.
In the present embodiment, support member is connected with pedestal using simplest buckle fixed form, realizes the fixation of support member.
Certainly, for the present embodiment, support member can also use other connected modes commonly used in the art, such as, screw fixes,
It is adhesively fixed, rivets fixation etc., is also not limited to the mounting structure that the present embodiment is provided.Equally, the support in the present embodiment
Part can also be integrally formed with support protrusion with pedestal.
It should be noted that the change for the present embodiment said structure, is readily applicable to other implementations of the present invention
Example.
Embodiment two：
As shown in Fig. 9, Figure 10, Figure 11, for the structural representation of second of embodiment of the invention.The present embodiment and embodiment
One difference is：In the present embodiment, fan assembly is only placed on support member, is not fixed, also, the ring
Shape is taken and mounting hole 411 is provided with the portion of holding 41, and support column 8 is taken through mounting hole 411 and is held on annular support surface 51, the support
The top of post 8 has an elastic spacing portion 81 for preventing that support column 8 from deviating from from mounting hole 411, and the bottom of support column 8 have it is spacing
Projection 82, meanwhile, the spring 83 under compressive state is set with the support column 8, and the upper end of spring 83 is pushed against in ring
Shape takes the lower end in the portion of holding 41, and the lower end of spring 83 is pushed against on the spacing block set 82 of support column, wherein, shock absorber part is in compression
Spring 83 under state.Also, when installing, support column 8 is inserted in stopper slot, realizes the rotation stop of fan assembly and pedestal, therefore,
For the present embodiment, support column also has the function that radially spacing.For the rotation stop of fan assembly and pedestal, it is possibility to have
Other structures, such as, taken in the annular of fan assembly and limited post is set in the portion of holding, inserted in stopper slot and matched somebody with somebody by limited post
Close, can also realize the rotation stop of fan assembly and pedestal.
Meanwhile finite place piece 9 is set between the top of fan assembly 4 and cavity inner wall, the locating part 9 is set in wind
The outside of thermomechanical components 4, it is radially spacing for being carried out to fan assembly 4, prevent fan assembly 4 from being shaken during operating
It is dynamic, meanwhile, for the present embodiment, the outside of locating part 9 is additionally provided with shock absorbing ring 91, and the shock absorbing ring 91 is pushed against in cavity
On inwall, realize that fan assembly 4 and cavity inner wall are completely isolated.
It is on-fixed mode for the present embodiment, for fan assembly relative support, also, fan assembly is with propping up
Spring shock absorption is provided between support member, meanwhile, shock absorbing ring damping is provided between the top of fan assembly and base internal wall, because
This, for embodiment one, the mounting means of fan assembly is simpler, meanwhile, fan assembly is completely isolated with pedestal,
The vibrating noise driven during fan assembly operating greatly reduces.In addition, for the present embodiment, shock absorbing ring and locating part
Using quadric injection mould one, certainly, shock absorbing ring can also be directly adhered to the outer surface of locating part, or shock absorbing ring passes through installation
Structure is set in the outside of locating part.
It should be noted that for the present embodiment, the change of said structure is readily applicable to the other of the present invention
Embodiment.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of fan, including pedestal and nozzle, control panel is provided with the pedestal, and there is hollow cavity in pedestal,
The fan assembly electrically connected with control panel is installed, and the top of cavity is connected with nozzle in the cavity, it is characterised in that：Institute
State the supporting part that support fan assembly is provided with the inwall of cavity, the air-inlet cavity formed below of the supporting part, the air intake
Multiple fresh air inlets are provided with the lateral wall of chamber, air-inlet cavity is stretched into the bottom of the fan assembly through plane where supporting part
It is interior, be provided with impeller in the fan assembly, and the lower surface of fan assembly has a suction opeing that impeller twitches air, it is described enter
The height of wind chamber is H, and the suction opeing to the height of air-inlet cavity bottom be H1, wherein, H1 is at least above 1/3H.
2. fan according to claim 1, it is characterised in that：The volume of the air-inlet cavity is V, wherein, V=0.6L~
2.5L, also, the sidewall surfaces product of the air-inlet cavity is S1, the gross area of multiple fresh air inlets is S2, wherein, S2 is at least above 1/
3S1。
3. fan according to claim 1, it is characterised in that：Wherein, H1=28mm~80mm；
Or H1≤the 4/5H；
Or motor is provided with the fan assembly, and the load speed of motor is n, wherein, n=5100r/min~
7900r/min。
4. according to any one of claims 1 to 3 fan, it is characterised in that：The supporting part includes being arranged inside cavities
Inwardly protruded support protrusion and the support member being mounted in support protrusion on wall, the support member top have ring
Shape supporting surface, the fan assembly, which has, to be taken the annular that is held on annular support surface and takes the portion of holding.
5. fan according to claim 4, it is characterised in that：The annular support surface and annular take be provided between the portion of holding it is close
Sealing, the seal are made up of sound-absorbing material；
Or the fan assembly includes fan body and the installation housing being set on the outside of fan body, the installation housing
It is fixedly connected with fan body, and the annular takes the portion of holding on installation housing；
Or motor is provided with the fan assembly, the wire harness electrically connected with motor is through fan assembly and stretches out blower fan group
On the outside of part, the annular is taken and cable hole is provided with the portion of holding, and the wire harness passes through cable hole and annular support surface and fan assembly
The control panel electrical connection of lower section；
Or button bit is provided with the madial wall of the cavity, corresponding Access Division, the support are provided with the support member
Part is fixed in cavity by the clamping engagement of Access Division and button bit.
6. according to any one of claims 1 to 3 fan, it is characterised in that：The installation cylinder of the pedestal including top and
Base below installation cylinder, the bottom of the installation cylinder are provided with isolation bottom plate, and the air-inlet cavity is by supporting part, peace
Dress cylinder inboard wall and isolation bottom plate surround to be formed, and the fresh air inlet, in the side wall of installation cylinder, the control panel is located at
Isolation bottom plate is enclosed in the installation cavity to be formed with base, is provided through isolating bottom plate and control panel electricity on the fan assembly
The wire harness of connection.
7. fan according to claim 6, it is characterised in that：In air-inlet cavity, sound-absorbing is provided with the isolation bottom plate
Pad.
8. according to any one of claims 1 to 3 fan, it is characterised in that：The rear end of the fan assembly is set with damping
Circle, the outside of the shock absorbing ring is pushed against on cavity inner wall.
9. according to any one of claims 1 to 3 fan, it is characterised in that：Set between the supporting part and fan assembly
There is shock absorber part.
10. fan according to claim 9, it is characterised in that：Mounting hole is provided with the fan assembly, support column passes through
Mounting hole, which is taken, to be held on supporting part, has the elastic spacing portion for preventing that support column from deviating from from mounting hole at the top of the support column,
And the bottom of support column has spacing block set, meanwhile, the spring being set with the support column under compressive state, and spring
Upper end push against in the lower end of mounting hole, the lower end of spring is pushed against on the spacing block set of support column, wherein, shock absorber part be in
Spring under compressive state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922925.5A CN107476963A (en) | 2017-09-30 | 2017-09-30 | A kind of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922925.5A CN107476963A (en) | 2017-09-30 | 2017-09-30 | A kind of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107476963A true CN107476963A (en) | 2017-12-15 |
Family
ID=60604998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710922925.5A Pending CN107476963A (en) | 2017-09-30 | 2017-09-30 | A kind of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107476963A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468320A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Tilting Fan |
| CN202545375U (en) * | 2012-03-15 | 2012-11-21 | 张钜标 | Bladeless fan with filter device |
| CN103216456A (en) * | 2012-01-19 | 2013-07-24 | 戴森技术有限公司 | Fan impeller housing seal and resilient support |
| CN104235078A (en) * | 2014-09-19 | 2014-12-24 | 任文华 | Fan |
| CN204985063U (en) * | 2015-05-25 | 2016-01-20 | 广东美的环境电器制造有限公司 | A base and bladeless fan for bladeless fan |
| CN106762777A (en) * | 2016-11-15 | 2017-05-31 | 美的集团股份有限公司 | Pedestal and bladeless fan |
-
2017
- 2017-09-30 CN CN201710922925.5A patent/CN107476963A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468320A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Tilting Fan |
| CN103216456A (en) * | 2012-01-19 | 2013-07-24 | 戴森技术有限公司 | Fan impeller housing seal and resilient support |
| CN202545375U (en) * | 2012-03-15 | 2012-11-21 | 张钜标 | Bladeless fan with filter device |
| CN104235078A (en) * | 2014-09-19 | 2014-12-24 | 任文华 | Fan |
| CN204985063U (en) * | 2015-05-25 | 2016-01-20 | 广东美的环境电器制造有限公司 | A base and bladeless fan for bladeless fan |
| CN106762777A (en) * | 2016-11-15 | 2017-05-31 | 美的集团股份有限公司 | Pedestal and bladeless fan |
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Application publication date: 20171215 |