CN108691793A - Electric fan - Google Patents
Electric fan Download PDFInfo
- Publication number
- CN108691793A CN108691793A CN201810296809.1A CN201810296809A CN108691793A CN 108691793 A CN108691793 A CN 108691793A CN 201810296809 A CN201810296809 A CN 201810296809A CN 108691793 A CN108691793 A CN 108691793A
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- Prior art keywords
- mentioned
- motor
- extension
- pillar
- air supplying
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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
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
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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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of electric fan, can make to include the air supplying part minimum of motor case to improve appearance design.Electric fan (1) has:It is accommodated with the motor case (10) of motor (9);Air supplying part (4) with the aerofoil fan (14) rotated by said motor;And support the pillar (3) of the air supplying part, wherein, it is formed with extension (11) in the position of the opposite side (i.e. the side opposite with aerofoil fan (14) side) across said motor shell (10) and positioned at above-mentioned aerofoil fan (14), which there is the axial cross section than the position that is, above-mentioned housing main body (15) that are accommodated with said motor (9) to accumulate (π (D1/2)2) small axial cross section accumulates (π (D4/2)2), and the extension (11) is connect with the top of above-mentioned pillar (3), can reduce the space of the waste in above-mentioned air supplying part, so as to make above-mentioned air supplying part become small-sized.
Description
Technical field
The present invention relates to the electric fans for having used aerofoil fan.
Background technology
Now, as this electric fan, there is known the electric fans with such as lower component:It is accommodated with motor and (is equivalent to this
Apply invention motor) motor case portion (motor case for being equivalent to the present application);It is rotated by above-mentioned motor
Blade (aerofoil fan for being equivalent to the present application);And pillar that top is connect with above-mentioned motor case portion (such as join
According to patent document 1.).
Existing technical literature
Patent document 1:No. 5693499 bulletins of Japanese Patent No.
In recent years, the driving source as the fan of electric fan, has used d.c. motor.D.c. motor with now exchange horse
Up to compared to being formed as small-sized, so as to make the air supplying part including motor case and aerofoil fan become small-sized.However,
In such existing electric fan, the miniaturization of motor can not be completely effectively utilized, also resting on makes motor case slightly become
Obtain small-sized degree.
Invention content
The present invention its object is to the problem more than solving, the air supplying part that can make including motor case is provided
Become minimum so as to improve the electric fan of appearance design.
Electric fan recorded in the solution of the present invention 1 has:It is accommodated with the motor case of motor;With passing through said motor
And the air supplying part of the aerofoil fan rotated;And support the pillar of the air supplying part, wherein in said motor shell and axis stream wind
The opposite side in fan side is formed with extension, which has the said motor shell than the position for being accommodated with said motor
Axial cross section accumulates small axial cross section product, and the extension is connect with the top of above-mentioned pillar.
Also, the electric fan recorded in the solution of the present invention 2 is configured to, and on the basis of scheme 1, has and is stored in inside
There are the base portion of yaw motor, the lower part of above-mentioned pillar to be connect with the base portion, and above-mentioned pillar can by above-mentioned yaw motor
Rotation.
Also, the electric fan recorded in the solution of the present invention 3 is configured to, on the basis of scheme 1, said motor shell tool
There is the position being incorporated in the central hub portion of above-mentioned aerofoil fan.
In addition, the electric fan recorded in the solution of the present invention 4 is configured to, on the basis of scheme 1, set in above-mentioned extension
There is operating unit.
The effect of invention is as follows.
Electric fan recorded in the solution of the present invention 1 can make air supplying part become small-sized by constituting as above.
In addition, with the base portion for being accommodated with yaw motor in inside, the lower part of above-mentioned pillar is connect with the base portion, and on
Stating pillar can be rotated by above-mentioned yaw motor, without storing yaw motor in said motor shell, and then can
Making above-mentioned air supplying part further becomes small-sized.
Also, said motor shell has the position being incorporated in the central hub portion of above-mentioned aerofoil fan, so as to
Reduce size until from the front end of above-mentioned aerofoil fan to the rear end of above-mentioned motor case, so as to make above-mentioned air supplying part into
One step becomes small-sized.
In addition, being equipped with operating unit in above-mentioned extension, extension can be carried out in the state of standing thereby using person
Operation, and then operability can be improved.
Description of the drawings
Fig. 1 is the front view for the electric fan for showing the first embodiment of the present invention.
Fig. 2 is the right view of above-mentioned electric fan.
Fig. 3 is the vertical view of above-mentioned electric fan.
Fig. 4 is the A-A sectional views of above-mentioned electric fan.
Fig. 5 is the exploded sectional view of the major part of above-mentioned electric fan.
Fig. 6 is the right view of the air supplying part for the electric fan for showing second embodiment of the present invention.
Fig. 7 is the right view of the air supplying part for the electric fan for showing third embodiment of the present invention.
Fig. 8 is the right view of the air supplying part for the electric fan for showing the 4th embodiment of the present invention.
In figure:
1,31,41,51-electric fan, 2-base portions, 3-pillars, 4,32,42,52-air supplying parts, 5-yaw motors, 9-
Motor, 10-motor cases, 11,33,43,53-extensions, 14-aerofoil fans, 15-housing main bodies (motor case),
20-central hub portions, 22-operating units, D1The diameter of-motor case 10, D2The diameter of-motor 9, D3- central hub portion 20
Internal diameter, D4The outer diameter of-extension 11.
Specific implementation mode
Hereinafter, being illustrated to the first embodiment of the present invention based on Fig. 1 to Fig. 5.1 is the electric fan of the present invention.It should
Electric fan 1 be configured to have discoid base portion 2, set on the center of the base portion 2 cylindric pillar 3 and be installed on this
The air supplying part 4 on the top of pillar 3.
There is the yaws motors 5 such as stepper motor in the inside of above-mentioned base portion 2 and rotated by the yaw motor 5 straight
Gear 6.Moreover, the spur gear 6 links with above-mentioned pillar 3.Therefore, above-mentioned pillar 3 can be rotated relative to above-mentioned base portion 2.This
Outside, 7 be the bearing for being pivotally supported above-mentioned pillar 3.Also, 8 be the acceptance part of remote controler (not shown).
Above-mentioned air supplying part 4 has:Store the motor case 10 of the motors 9 such as d.c. motor;It is set as to the motor case 10
The extension 11 that rear extends;It is installed on the rear shield 12 of said motor shell 10;Before being installed on the front side of the rear shield 12
Shield 13;And the aerofoil fan of the front side of said motor shell 10 is surrounded and is set to by above-mentioned rear shield 12 and front protection cover 13
14.That is, above-mentioned extension 11 is formed in the opposite side across said motor shell 10 and positioned at above-mentioned aerofoil fan 14 (with axis stream
The opposite side in 14 side of fan) position.In addition, above-mentioned rear shield 12 and front protection cover 13 carry out structure using multiple metal wire rods
At.
Said motor shell 10 is described in detail.The motor case 10 makes to be set to the housing main body 15 of front side and be set to
The rear of the housing main body 15 and the diameter flange part 16 bigger than the diameter of the housing main body 15 are in conjunction with constituting.Above-mentioned shell master
Body 15 is formed as axially becoming in the front-back direction substantially cylindric in the posture of Fig. 4.In addition, the ratio of the housing main body 15 is aftermentioned
The outer diameter of 18 more forwardly of part of fastener be D1.Moreover, in the space surrounded by above-mentioned housing main body 15 and flange part 16
Store said motor 9.The motor 9 is located at the inside of above-mentioned housing main body 15.Also, the motor 9 is formed as in the posture of Fig. 4
It is axial to become in the front-back direction substantially cylindric.In addition, the outer diameter of the motor 9 is D2.Also, before above-mentioned housing main body 15
Portion center is formed with through hole (not shown), and the rotary shaft 17 of said motor 9 is protruded from the through hole.In addition, in above-mentioned shell
Main body 15 can removably install fastener 18.The fastener 18 is formed as diameter substantially phase of the diameter with above-mentioned flange part 16
Together.Also, above-mentioned fastener 18 is screwed relative to above-mentioned housing main body 15.In addition, in the face side of above-mentioned fastener 18
It is formed with multiple protrusions 19 for taking finger of letting go.Moreover, being pressed from both sides by using above-mentioned fastener 18 and above-mentioned flange part 16
The central portion for holding above-mentioned rear shield 12, to fix the rear shield 12 relative to said motor shell 10.Therefore, above-mentioned housing main body
15 are predominantly located in the region surrounded by above-mentioned rear shield 12 and front protection cover 13.
Also, the outer diameter D of the above-mentioned 18 more forwardly of part of fastener of ratio of above-mentioned housing main body 151Than above-mentioned aerofoil fan
The internal diameter D of 14 central hub portion 203It is slightly smaller.That is, D3> D1> D2.Moreover, the aerofoil fan side of said motor shell 10 that is, on
The front for stating housing main body 15 is incorporated in the central hub portion 20 of above-mentioned aerofoil fan 14.Thereby, it is possible to reduce from above-mentioned axis
Size until the front end of flow fan 14 to the rear end of above-mentioned motor case 10, so as to make above-mentioned air supplying part 4 become small-sized.
In addition, above-mentioned aerofoil fan 14 is installed on above-mentioned rotary shaft 17 by installing screw element 21.
Above-mentioned extension 11 is substantially cylindrical, and is set as from the center of the flange part 16 of said motor shell 10 rearward
It is prominent.Moreover, above-mentioned extension 11 is arranged with said motor shell 10 and said motor 9 in coaxial.Also, above-mentioned
The upper surface part of extension 11 is equipped with operating unit 22.The operating unit 22 has main processing unit 22A and secondary operating unit
22B.Above-mentioned main processing unit 22A is physical switch, carries out the operation of rotation and the stopping of above-mentioned aerofoil fan 14.Also,
Above-mentioned pair operating unit 22B is soft-touch control, carries out the adjusting of the rotary speed of above-mentioned aerofoil fan 14, above-mentioned air supplying part 4
The operation of the selection of yaw and the setting of disconnection timer.Also, in the inside stowing switch substrate of above-mentioned extension 11
22C.In addition, the part slightly forward in the ratio center of the lower surface portion of above-mentioned extension 11 is formed with notch 23, above-mentioned branch
The upper end of column 3 is inserted into from the notch 23 into above-mentioned extension 11.Moreover, the upper end of above-mentioned pillar 3 is in above-mentioned extension 11
The interior oscillating head mechanism up and down 24 with the pitch angle for adjusting above-mentioned air supplying part 4 is connect.Further, since above-mentioned extension 11 is not
Said motor 9 is stored, so its external dimensions (being outer diameter in the case of present embodiment) can be made relatively thin.That is, above-mentioned extension
The outer diameter D in portion 114Less than the outer diameter D of the above-mentioned 18 more forwardly of part of fastener of the ratio of above-mentioned housing main body 151.That is, above-mentioned extension
The axial cross section product of the above-mentioned housing main body 15 of the axial cross section product than being accommodated with said motor 9 in portion 11 is small.In addition, herein
The axial cross section product is the area of section including hollow space, not only refers to section of case member, build-in components
Face area.In the present embodiment, the axial cross section product of above-mentioned extension 11 is diameter D4Circle area (π (D4/2)2)。
Equally, the axial cross section product of above-mentioned housing main body 15 is diameter D1Circle area (π (D1/2)2).In addition, above-mentioned extension
11 outer diameter D4Than the outer diameter D of said motor 92It is small.That is, axial direction of the axial cross section product of above-mentioned extension 11 than said motor 9
Cross-sectional area (π (D2/2)2) small.Therefore, D3> D1> D2> D4.In addition, in the present embodiment, D4It is 45mm or so.Also,
Since above-mentioned pillar 3 is inserted into above-mentioned extension 11, so at least end, width are formed as than above-mentioned extension 11 on it
Outer diameter D4Carefully.In this case, since above-mentioned pillar 3 is cylindrical, so its outer diameter D5Than above-mentioned extension 11
Outer diameter D4Small (D4> D5)。
In addition, above-mentioned oscillating head mechanism 24 up and down is held in appointing in slewing area using infinitely rotation and by friction
The mechanism referred to as so-called torsional moment hinge of meaning position.The torsional moment hinge with the machine come multistage kept is engaged etc. using bumps
Structure is compared to that can be formed as small-sized, so that also torsional moment hinge is arranged in the inside of the above-mentioned extension 11 of path.In addition,
In the construction of the present invention, said motor 9, rear shield 12, front protection cover 13 and aerofoil fan 14 are located to be located further forward than above-mentioned pillar 3
Side, so that the center of gravity of above-mentioned air supplying part 4 is close to front.Therefore, the above-mentioned application of oscillating head mechanism 24 up and down is made due to gravity above-mentioned
The power that the front of air supplying part 4 is downwardly inclined.Therefore, as the torsional moment hinge for constituting above-mentioned oscillating head mechanism 24 up and down, using with
Keep the torsional moment hinge of torque enough needed for the posture of above-mentioned air supplying part 4.Also, above-mentioned notch 23 and above-mentioned pillar 3 it
Between not shown sheet material block.Moreover, the finger of user can be inhibited to enter in above-mentioned notch 23 using the sheet material.By
This, can reduce the worry that the finger of user is clamped by above-mentioned notch 23 and pillar 3.
Moreover, as described above, by storing said motor 9 in said motor shell 10, and in the motor case 10
Rear is equipped with the above-mentioned extension 11 for not storing said motor 9, can reduce the space of the waste in above-mentioned air supplying part 4 to make
Above-mentioned air supplying part 4 becomes small-sized, so as to improve appearance design.In the present embodiment, due in above-mentioned extension 11
Switch substrate 22C equipped with aforesaid operations unit 22 and upper and lower oscillating head mechanism 24, so above-mentioned extension 11 is that storage is above-mentioned
The switch substrate 22C of operating unit 22 and the size of upper and lower oscillating head mechanism 24.Also, due to said motor 9 itself
It is d.c. motor, is small-scale structure, so said motor shell 10 itself can be also formed as small-sized.Also, by above-mentioned
On 14 side of aerofoil fan that is, the ratio of housing main body 15 for storing said motor shell 10 in the central hub portion 20 of aerofoil fan 14
The part that fastener 18 is located further forward side is stated, front end to the rear end of above-mentioned motor case 10 from above-mentioned aerofoil fan 14 can be reduced
Until size, become small-sized so as to make above-mentioned air supplying part 4 further.In addition, in existing electric fan, usually put
Head horse reaches the construction being incorporated in air supplying part, but in the electric fan 1 of the present invention, above-mentioned yaw motor 5 is incorporated in above-mentioned
In base portion 2, become small-sized so as to make above-mentioned air supplying part 4 further.
In addition, above-mentioned aerofoil fan 14 is equipped in the periphery of the framework 25 of the short cylinder shape of axial both ends open by multiple leaves
The blade part 27 that piece 26 is constituted, and it is connected with above-mentioned central hub portion 20 and frame using the spoke portion 29 being made of multiple spokes 28
Body 25.
Next, being illustrated to the effect of the first embodiment of the present invention.First, user is in above-mentioned base portion 2
One end of the same power cord (not shown) of electrical power source connection connection (not shown), and the other end of the power cord is connected to not
The AC power of diagram.So, above-mentioned electric fan 1 becomes the state that can be worked.Moreover, being set to above-mentioned prolong by operation
The aforesaid operations unit 22 on the top in long portion 11 can make above-mentioned electric fan 1 work.In addition, the electric fan 1 can be by above-mentioned
Operating unit 22 come the rotation to above-mentioned aerofoil fan 14 and stopping, above-mentioned aerofoil fan 14 rotary speed adjusting, on
It states the selection of the yaw of air supplying part 4 and disconnects timer and be set for operating.Moreover, by above-mentioned extension 11
Aforesaid operations unit 22 is arranged in top, and user can carry out the operation of above-mentioned electric fan 1 in the state of standing, so as to
Improve operability.Moreover, identical as existing electric fan to generate the structure of air-flow by making above-mentioned aerofoil fan 14 rotate.
In addition, if above-mentioned aerofoil fan 14 is made to rotate, above-mentioned blade part 27 generates primary air.Moreover, with the main gas
Stream ground is generated from air-flow, and is somebody's turn to do the circulating inside from air-flow in above-mentioned framework 25.
Also, if above-mentioned pair operating unit 22B is operated to select to make above-mentioned air supplying part 4 to carry out yaw, it is built in above-mentioned
5 reciprocating rotation of yaw motor of base portion 2.Moreover, if above-mentioned 5 reciprocating rotation of yaw motor, the action of the yaw motor 5 are upward
State the transmission of spur gear 6,3 reciprocating rotation of above-mentioned pillar to be connect with the spur gear 6.If in this way, 3 reciprocating rotation of pillar,
Then it is set to the above-mentioned air supplying part 4 of the upper end of the pillar 3 also reciprocating rotation in linkage.Above-mentioned air supplying part 4 being capable of edge water as a result,
Square to carry out yaw side blown on a large scale by above-mentioned aerofoil fan 14.
In addition, in the case where making above-mentioned electric fan 1 move, the position that user can hold is at three.First holds
Position H1It is the top of above-mentioned pillar 3.As noted previously, as the pillar 3 is in outer diameter D5Thinner cylindrical shape, even so
The smaller people of hand is also easy to hold.Also, second holds position H2It is that the above-mentioned pillar of ratio 3 of above-mentioned extension 11 is located further forward
Part.This is closely located to the upper part of the center of gravity of above-mentioned electric fan 1, and weight balancing when to hold is excellent, is easy to carry out
It holds.But due to the above-mentioned notch 23 for being closely located to be formed in the lower part of above-mentioned extension 11, so in above-mentioned air-supply
Portion 4 relative to above-mentioned pillar 3 relatively in the case that direction is toppled over downward, have finger by the edge of above-mentioned notch 23 with it is upper
State the worry that pillar 3 is clamped.Therefore, above-mentioned holding position H is being held2In the case of, with thumb and index finger (and middle finger)
Hold the front end of above-mentioned extension 11 in a manner of grasping, or with index finger (and middle finger) handle in a manner of hooking from below
The front end for holding above-mentioned extension 11, to make above-mentioned electric fan 1 be moved in a manner of not inclined.Moreover, on as noted previously, as
Upper and lower oscillating head mechanism 24 is stated using the larger torsional moment hinge of torque to constitute, so having held position H2When, it is above-mentioned to send
Wind portion 4 is difficult to tilt in the up-down direction.In addition, third holds position H3It is that the above-mentioned pillar of ratio 3 of above-mentioned extension 11 more leans on
Part afterwards.The position is from the deviation of gravity center of above-mentioned electric fan 1, if to be held, above-mentioned air supplying part 4 is relative to above-mentioned
Pillar 3 is relatively tilted in a manner of directed downwardly, therefore after movement, need to adjust above-mentioned air supplying part 4 in the up-down direction
Direction.On the other hand, if holding position H3, then the rear of above-mentioned notch 23 leaves from above-mentioned pillar 3, so that finger is not
It can be clamped by the rear of above-mentioned notch 23 and above-mentioned pillar 3, therefore safety.
In this way, by being set as that the structure of above-mentioned pillar 3 or above-mentioned extension 11 can be held, it need not be in above-mentioned air-supply
The handle parts such as handle are arranged in portion 4.Moreover, because the handle parts such as handle need not be arranged like this, so from above-mentioned aerofoil fan
The air-flow that 14 rear is attracted will not be disorderly due to the handle parts such as handle.This is especially as in the present invention, above-mentioned aerofoil fan
14 make the slave air-flow generated according to primary air caused by above-mentioned blade part 27 from the rear of above-mentioned air supplying part 4 towards above-mentioned framework
25 circulating inside can not interfere above-mentioned in the above-mentioned electric fan 1 for the above-mentioned aerofoil fan 14 for having used such type
From air-flow, therefore effectively.
As described above, the electric fan 1 of the present invention has:It is accommodated with the motor case 10 of motor 9;With passing through said motor
9 and rotate aerofoil fan 14 air supplying part 4;And the pillar 3 of the air supplying part 4 is supported, in the electric fan 1, across upper
The position stated motor case 10 and be located at the opposite side (side opposite with 14 side of aerofoil fan) of above-mentioned aerofoil fan 14 is formed
There is extension 11, which has (π (D4/2)2) than being accommodated with position that is, the said motor shell 10 of said motor 9
The axial cross section of housing main body 15 accumulates (π (D1/2)2) small axial cross section accumulates, and the extension 11 and above-mentioned pillar 3
Top connects, and the space of the waste in above-mentioned air supplying part 4 can be reduced, so as to make above-mentioned air supplying part 4 become small-sized.
Also, with the base portion 2 for being accommodated with yaw motor 5 in inside, the lower part of above-mentioned pillar 3 is connect with the base portion 2, and
And above-mentioned pillar 3 can be rotated by above-mentioned yaw motor 5, without storing yaw motor 5 in said motor shell 10,
Can make above-mentioned air supplying part 4 further becomes small-sized in turn.
Also, pass through the above-mentioned aerofoil fan of the storage said motor shell 10 in the central hub portion 20 of the aerofoil fan 14
14 sides can reduce the size until from the front end of above-mentioned aerofoil fan 14 to the rear end of above-mentioned motor case 10, so as to
Making above-mentioned air supplying part 4 further becomes small-sized.
In addition, by the way that operating unit 22 is arranged in above-mentioned extension 11, user can carry out in the state of standing
The operation for stating operating unit 22, so as to improve operability.
Next, being illustrated to second embodiment of the present invention based on Fig. 6.In addition, in this second embodiment, removing
Structure other than extension 33 is identical as the structure of above-mentioned first embodiment, to which the description thereof will be omitted.
31 be the electric fan of the present invention.The electric fan 31 is configured to have discoid base portion 2, in the base portion 2
The air supplying part 32 of the cylindric pillar 3 and the top for being installed on the pillar 3 of centre.
Above-mentioned air supplying part 32 has:Store the motor case 10 of the motors 9 such as d.c. motor;It is set as to the motor case 10
The above-mentioned extension 33 that rear extends;It is installed on the rear shield 12 of said motor shell 10;It is installed on the front side of the rear shield 12
Front protection cover 13;And the axis stream wind of the front side of said motor shell 10 is surrounded and is set to by above-mentioned rear shield 12 and front protection cover 13
Fan 14.That is, above-mentioned extension 33 is formed in the opposite side across said motor shell 10 and positioned at above-mentioned aerofoil fan 14 (with axis
The opposite side in 14 side of flow fan) position.
Above-mentioned extension 33 is substantially cylindrical, and is set as from the center of the flange part 16 of said motor shell 10 rearward
It is prominent.Moreover, above-mentioned extension 33 is arranged with said motor shell 10 and said motor 9 in coaxial.Also, above-mentioned
The upper surface part of extension 33 is equipped with operating unit 22, and in the inside stowing switch substrate 22C of above-mentioned extension 33.Separately
Outside, the part slightly forward in the ratio center of the lower surface portion of above-mentioned extension 33 is formed with notch 23, from the notch 23
The upper end of above-mentioned pillar 3 is inserted into above-mentioned extension 33.Moreover, being formed in the lower part of the rear end of above-mentioned extension 33 prominent
Play portion 34.Also, pitch angle of the upper end of above-mentioned pillar 3 in above-mentioned extension 33 and for adjusting above-mentioned air supplying part 4
Upper and lower oscillating head mechanism 24 connects.Further, since above-mentioned extension 33 does not store said motor 9, so can make its external dimensions
(being outer diameter in the case of present embodiment) is relatively thin.That is, the part in addition to above-mentioned protrusion 34 of above-mentioned extension 33 is outer
Diameter D4Less than the outer diameter D of the above-mentioned 18 more forwardly of part of fastener of the ratio of above-mentioned housing main body 151.That is, the axis of above-mentioned extension 33
The axial cross section product of above-mentioned housing main body 15 to cross-sectional area than being accommodated with said motor 9 is small.In the present embodiment, on
The axial cross section product for stating extension 33 is diameter D4Circle area (π (D4/2)2).Equally, the axial direction of above-mentioned housing main body 15
Cross-sectional area is diameter D1Circle area (π (D1/2)2).In addition, the outer diameter D of above-mentioned extension 334It is outer than said motor 9
Diameter D2It is small.That is, the axial cross section product of above-mentioned extension 33 accumulates (π (D than the axial cross section of said motor 92/2)2) small.This
Outside, in the present embodiment, the outer diameter D of the above-mentioned extension 33 in addition to above-mentioned protrusion 344It is 45mm or so.Also, by
It is inserted into above-mentioned extension 33 in above-mentioned pillar 3, so at least end, width are formed as than above-mentioned extension 33 on it
Outer diameter D4Carefully.In this case, since above-mentioned pillar 3 is cylindrical, so its outer diameter D5Than removing above-mentioned protrusion
The outer diameter D of above-mentioned extension 33 other than 344It is small.
In addition, above-mentioned oscillating head mechanism 24 up and down is held in appointing in slewing area using infinitely rotation and by friction
The mechanism referred to as so-called torsional moment hinge of meaning position.The torsional moment hinge carries out keeping multistagely with using bumps engaging etc.
Mechanism compared to can be formed as small-sized, so that also torsional moment hinge is arranged in the inside of the above-mentioned extension 33 of path.This
Outside, in the construction of the present invention, said motor 9, rear shield 12, front protection cover 13 and aerofoil fan 14 are located at than above-mentioned pillar 3
It is closer to the front, so that the center of gravity of above-mentioned air supplying part 32 is close to front.Therefore, above-mentioned oscillating head mechanism 24 up and down is applied due to gravity
The power for making the front of above-mentioned air supplying part 32 be downwardly inclined.Therefore, as the torsional moment hinge for constituting above-mentioned oscillating head mechanism 24 up and down, make
With the torsional moment hinge with enough torques needed for the posture for keeping above-mentioned air supplying part 32.
Moreover, as described above, by storing said motor 9 in said motor shell 10, and in the motor case 10
Rear is equipped with the above-mentioned extension 33 for not storing said motor 9, and the space that can reduce the waste in above-mentioned air supplying part 32 is come
Above-mentioned air supplying part 32 is set to become small-sized, so as to improve appearance design.In the present embodiment, due in above-mentioned extension
33 are equipped with the switch substrate 22C and upper and lower oscillating head mechanism 24 of aforesaid operations unit 22, so above-mentioned extension 33 is in storage
State the switch substrate 22C of operating unit 22 and the size of upper and lower oscillating head mechanism 24.Also, by above-mentioned aerofoil fan
The above-mentioned fastener of ratio of 14 side of aerofoil fan of storage said motor shell 10 that is, housing main body 15 in 14 central hub portion 20
18 are located further forward the part of side, can reduce the ruler until from the front end of above-mentioned aerofoil fan 14 to the rear end of above-mentioned motor case 10
It is very little, become small-sized so as to make above-mentioned air supplying part 32 further.In addition, in existing electric fan, usually yaw motor
The construction being incorporated in air supplying part, but in the electric fan 31 of the present invention, above-mentioned yaw motor 5 is incorporated in above-mentioned base portion 2
It is interior, become small-sized so as to make above-mentioned air supplying part 32 further.
Next, the effect to second embodiment of the present invention illustrates.First, user is in above-mentioned base portion 2
One end of the same power cord (not shown) of electrical power source connection connection (not shown), and the other end of the power cord is connected to not
The AC power of diagram.So, above-mentioned electric fan 31 becomes the state that can be worked.Moreover, being set to by operation above-mentioned
The aforesaid operations unit 22 on the top of extension 33 can make above-mentioned electric fan 31 work.In addition, the electric fan 31 can pass through
Aforesaid operations unit 22 come the rotation to above-mentioned aerofoil fan 14 and stopping, above-mentioned aerofoil fan 14 rotary speed tune
Section, above-mentioned air supplying part 32 yaw selection and disconnect timer and be set for operating.Moreover, by above-mentioned extension
The top setting aforesaid operations unit 22 in portion 33, user can carry out the operation of above-mentioned electric fan 31 in the state of standing,
So as to improve operability.Moreover, by making the rotation of above-mentioned aerofoil fan 14 come the structure for generating air-flow and existing electric wind
It fans identical.
Also, if above-mentioned pair operating unit 22B is operated to select to make above-mentioned air supplying part 32 to carry out yaw, it is built in above-mentioned
5 reciprocating rotation of yaw motor of base portion 2.Moreover, if above-mentioned 5 reciprocating rotation of yaw motor, the action of the yaw motor 5 are upward
State the transmission of spur gear 6,3 reciprocating rotation of above-mentioned pillar to be connect with the spur gear 6.If in this way, 3 reciprocating rotation of pillar,
Then it is set to the above-mentioned air supplying part 32 of the upper end of the pillar 3 also reciprocating rotation in linkage.Above-mentioned air supplying part 32 being capable of edge as a result,
Horizontal direction carries out yaw side and is blown on a large scale by above-mentioned aerofoil fan 14.
In addition, in the case where making above-mentioned electric fan 31 move, the position that user can hold is at three.First holds
Position H1It is the top of above-mentioned pillar 3.As noted previously, as the pillar 3 be in the thinner cylindrical shape of outer diameter, even so hand compared with
Small people is also easy to hold.Also, second holds position H2It is the above-mentioned 3 more forwardly of portion of pillar of ratio of above-mentioned extension 33
Point.This is closely located to the upper part of the center of gravity of above-mentioned electric fan 31, and weight balancing when to hold is excellent, is easy to carry out handle
It holds.But due to the above-mentioned notch 23 for being closely located to be formed in the lower part of above-mentioned extension 33, so in above-mentioned air supplying part
32 relative to above-mentioned pillar 3 relatively in the case that direction is toppled over downward, have finger by the edge of above-mentioned notch 23 with it is upper
State the worry that pillar 3 is clamped.Therefore, above-mentioned holding position H is being held2In the case of, with thumb and index finger (and middle finger)
Hold the front end of above-mentioned extension 33 in a manner of grasping, or with index finger (and middle finger) handle in a manner of catching on from below
The front end for holding above-mentioned extension 33, to make above-mentioned electric fan 31 be moved in a manner of not inclined.Moreover, as noted previously, as
Above-mentioned oscillating head mechanism 24 up and down is constituted using the larger torsional moment hinge of torque, so having held position H2When, it is above-mentioned
Air supplying part 32 is difficult to tilt in the up-down direction.In addition, third holds position H3Be the above-mentioned pillar of ratio 3 of above-mentioned extension 33 more
Part rearward.The position from the deviation of gravity center of above-mentioned electric fan 31, if to be held, above-mentioned air supplying part 32 relative to
Above-mentioned pillar 3 is relatively tilted in a manner of directed downwardly, therefore after movement, needs to adjust above-mentioned air supplying part 32 in above-below direction
On direction.On the other hand, if holding position H3, then the rear of above-mentioned notch 23 leaves from above-mentioned pillar 3, thus hand
Finger will not be clamped by the rear of above-mentioned notch 23 and above-mentioned pillar 3, therefore safety.If also, holding above-mentioned holding position H3,
Then above-mentioned air supplying part 32 is relatively tilted in a manner of directed downwardly relative to above-mentioned pillar 3, and sliding is easy thereby using the hand of person, but
By forming above-mentioned protrusion 34 in the lower part of the rear end of above-mentioned extension 33 as described above, the protrusion 34 is by user
Finger catch on, so as to make above-mentioned electric fan 31 be difficult to fall.
In this way, by being set as that the structure of above-mentioned pillar 3 or above-mentioned extension 33 can be held, it need not be in above-mentioned air-supply
The handle parts such as handle are arranged in portion 32.Moreover, because the handle parts such as handle need not be arranged like this, so from above-mentioned aerofoil fan
The air-flow that 14 rear is attracted will not be disorderly due to the handle parts such as handle.This is especially as in the present invention, above-mentioned aerofoil fan
14 make the slave air-flow generated according to primary air caused by above-mentioned blade part 27 from the rear of above-mentioned air supplying part 32 towards above-mentioned frame
The circulating inside of body 25 can not interfere in the above-mentioned electric fan 31 for the above-mentioned aerofoil fan 14 for having used such type
It is above-mentioned from air-flow, therefore effectively.
As described above, the electric fan 31 of the present invention:With the motor case 10 for being accommodated with motor 9;With passing through above-mentioned horse
Up to 9 and rotate aerofoil fan 14 air supplying part 32;And support the pillar 3 of the air supplying part 32, in the electric fan 31, every
The position of said motor shell 10 and the opposite side (side opposite with 14 side of aerofoil fan) positioned at above-mentioned aerofoil fan 14
It is formed with extension 33, which has than being accommodated with the position of said motor 9 that is, the shell of said motor shell 10
The axial cross section of main body 15 accumulates (π (D1/2)2) small axial cross section accumulates (π (D4/2)2), and the extension 33 with it is above-mentioned
The top of pillar 3 connects, and the space of the waste in above-mentioned air supplying part 32 can be reduced, so as to make above-mentioned air supplying part 32 become
It is small-sized.
Also, with the base portion 2 for being accommodated with yaw motor 5 in inside, the lower part of above-mentioned pillar 3 is connect with the base portion 2, and
And above-mentioned pillar 3 can be rotated by above-mentioned yaw motor 5, without storing yaw motor 5 in said motor shell 10,
Can make above-mentioned air supplying part 32 further becomes small-sized in turn.
Also, pass through the above-mentioned aerofoil fan of the storage said motor shell 10 in the central hub portion 20 of the aerofoil fan 14
14 sides can reduce the size until from the front end of above-mentioned aerofoil fan 14 to the rear end of above-mentioned motor case 10, so as to
Making above-mentioned air supplying part 32 further becomes small-sized.
In addition, by the way that operating unit 22 is arranged in above-mentioned extension 33, user can carry out in the state of standing
The operation for stating operating unit 22, so as to improve operability.
Next, being illustrated to third embodiment of the present invention based on Fig. 7.In addition, in the third embodiment, removing
Structure other than extension 43 is identical as the structure of above-mentioned first and second embodiment, to which the description thereof will be omitted.
41 be the electric fan of the present invention.The electric fan 41 is configured to have discoid base portion 2, in the base portion 2
The air supplying part 42 of the cylindric pillar 3 and the top for being installed on the pillar 3 of centre.
Above-mentioned air supplying part 42 has:Store the motor case 10 of the motors 9 such as d.c. motor;It is set as to the motor case 10
The above-mentioned extension 43 that rear extends;It is installed on the rear shield 12 of said motor shell 10;It is installed on the front side of the rear shield 12
Front protection cover 13;And the axis stream wind of the front side of said motor shell 10 is surrounded and is set to by above-mentioned rear shield 12 and front protection cover 13
Fan 14.That is, above-mentioned extension 43 is formed in the opposite side across said motor shell 10 and positioned at above-mentioned aerofoil fan 14 (with axis
The opposite side in 14 side of flow fan) position.
Above-mentioned extension 43 is substantially cylindrical, and is set as from the center of the flange part 16 of said motor shell 10 rearward
It is prominent.Moreover, above-mentioned extension 43 is arranged with said motor shell 10 and said motor 9 in coaxial.Also, above-mentioned
The upper surface part of extension 43 is equipped with operating unit 22, and in the inside stowing switch substrate 22C of above-mentioned extension 43.Separately
Outside, the part slightly forward in the ratio center of the lower surface portion of above-mentioned extension 43 is formed with notch 23, from the notch 23
The upper end of above-mentioned pillar 3 is inserted into above-mentioned extension 43.Moreover, in the front end of the notch 23 of above-mentioned extension 43 and
The lower part of rear end is respectively formed with front protrusion portion 44 and rearward projection portion 45.Also, the upper end of above-mentioned pillar 3 is prolonged above-mentioned
It is connect with the oscillating head mechanism up and down 24 of the pitch angle for adjusting above-mentioned air supplying part 42 in long portion 43.Further, since above-mentioned prolong
Said motor 9 is not stored in long portion 43, so its external dimensions (being outer diameter in the case of present embodiment) can be made relatively thin.That is,
The outer diameter D of the part in addition to above-mentioned protrusion 44,45 of above-mentioned extension 434It is above-mentioned less than the ratio of above-mentioned housing main body 15 tight
The outer diameter D of 18 more forwardly of part of solid1.That is, the axial cross section of above-mentioned extension 43 is accumulated than being accommodated with the upper of said motor 9
The axial cross section product for stating housing main body 15 is small.In the present embodiment, the axial cross section product of above-mentioned extension 43 is diameter
D4Circle area (π (D4/2)2).Equally, the axial cross section product of above-mentioned housing main body 15 is diameter D1Circle area (π
(D1/2)2).In addition, the outer diameter D of above-mentioned extension 434Than the outer diameter D of said motor 92It is small.That is, the axial direction of above-mentioned extension 43
Cross-sectional area accumulates (π (D than the axial cross section of said motor 92/2)2) small.In addition, in the present embodiment, removing above-mentioned protrusion
44, the outer diameter D of the above-mentioned extension 43 other than 454It is 45mm or so.Also, since above-mentioned pillar 3 is inserted in above-mentioned extension
43, so at least end, width are formed as the outer diameter D than above-mentioned extension 43 on it4Carefully.The present embodiment the case where
Under, since above-mentioned pillar 3 is cylindrical, so its outer diameter D5Than the above-mentioned extension 43 in addition to above-mentioned protrusion 44,45
Outer diameter D4It is small.
In addition, above-mentioned oscillating head mechanism 24 up and down is held in appointing in slewing area using infinitely rotation and by friction
The mechanism referred to as so-called torsional moment hinge of meaning position.The torsional moment hinge carries out keeping multistagely with using bumps engaging etc.
Mechanism compared to can be formed as small-sized, so that also torsional moment hinge is arranged in the inside of the above-mentioned extension 43 of path.This
Outside, in the construction of the present invention, said motor 9, rear shield 12, front protection cover 13 and aerofoil fan 14 are located at than above-mentioned pillar 3
It is closer to the front, so that the center of gravity of above-mentioned air supplying part 42 is close to front.Therefore, above-mentioned oscillating head mechanism 24 up and down is applied due to gravity
The power for making the front of above-mentioned air supplying part 42 be downwardly inclined.Therefore, as the torsional moment hinge for constituting above-mentioned oscillating head mechanism 24 up and down, make
With the torsional moment hinge with enough torques needed for the posture for keeping above-mentioned air supplying part 42.
Moreover, as described above, by storing said motor 9 in said motor shell 10, and in the motor case 10
Rear is equipped with the above-mentioned extension 43 for not storing said motor 9, and the space that can reduce the waste in above-mentioned air supplying part 42 is come
Above-mentioned air supplying part 42 is set to become small-sized, so as to improve appearance design.In the present embodiment, due in above-mentioned extension
43 are equipped with the switch substrate 22C and upper and lower oscillating head mechanism 24 of aforesaid operations unit 22, so above-mentioned extension 43 is in storage
State the switch substrate 22C of operating unit 22 and the size of upper and lower oscillating head mechanism 24.Also, by above-mentioned aerofoil fan
The above-mentioned fastener of ratio of 14 side of aerofoil fan of storage said motor shell 10 that is, housing main body 15 in 14 central hub portion 20
18 are located further forward the part of side, can reduce the ruler until from the front end of above-mentioned aerofoil fan 14 to the rear end of above-mentioned motor case 10
It is very little, become small-sized so as to make above-mentioned air supplying part 42 further.In addition, in existing electric fan, usually yaw motor
The construction being incorporated in air supplying part, but in the electric fan 41 of the present invention, above-mentioned yaw motor 5 is incorporated in above-mentioned base portion 2
It is interior, become small-sized so as to make above-mentioned air supplying part 42 further.
Next, the effect to third embodiment of the present invention illustrates.First, user is in above-mentioned base portion 2
One end of the same power cord (not shown) of electrical power source connection connection (not shown), and the other end of the power cord is connected to not
The AC power of diagram.So, above-mentioned electric fan 41 becomes the state that can be worked.Moreover, being set to by operation above-mentioned
The aforesaid operations unit 22 on the top of extension 43 can make above-mentioned electric fan 41 work.In addition, the electric fan 41 can pass through
Aforesaid operations unit 22 come the rotation to above-mentioned aerofoil fan 14 and stopping, above-mentioned aerofoil fan 14 rotary speed tune
Section, above-mentioned air supplying part 42 yaw selection and disconnect timer and be set for operating.Moreover, by above-mentioned extension
The top setting aforesaid operations unit 22 in portion 43, user can carry out the operation of above-mentioned electric fan 41 in the state of standing,
So as to improve operability.Moreover, by making the rotation of above-mentioned aerofoil fan 14 come the structure for generating air-flow and existing electric wind
It fans identical.
Also, if above-mentioned pair operating unit 22B is operated to select to make above-mentioned air supplying part 42 to carry out yaw, it is built in above-mentioned
5 reciprocating rotation of yaw motor of base portion 2.Moreover, if above-mentioned 5 reciprocating rotation of yaw motor, the action of the yaw motor 5 are upward
State the transmission of spur gear 6,3 reciprocating rotation of above-mentioned pillar to be connect with the spur gear 6.If in this way, 3 reciprocating rotation of pillar,
Then it is set to the above-mentioned air supplying part 42 of the upper end of the pillar 3 also reciprocating rotation in linkage.Above-mentioned air supplying part 42 being capable of edge as a result,
Horizontal direction carries out yaw side and is blown on a large scale by above-mentioned aerofoil fan 14.
In addition, in the case where making above-mentioned electric fan 41 move, the position that user can hold is at three.First holds
Position H1It is the top of above-mentioned pillar 3.As noted previously, as the pillar 3 be in the thinner cylindrical shape of outer diameter, even so hand compared with
Small people is also easy to hold.Also, second holds position H2It is the above-mentioned 3 more forwardly of portion of pillar of ratio of above-mentioned extension 43
Point.This is closely located to the upper part of the center of gravity of above-mentioned electric fan 41, and weight balancing when to hold is excellent, is easy to carry out handle
It holds.But due to the above-mentioned notch 23 for being closely located to be formed in the lower part of above-mentioned extension 43, so in above-mentioned air supplying part
42 relative to above-mentioned pillar 3 relatively in the case that direction is toppled over downward, have finger by the edge of above-mentioned notch 23 with it is upper
State the worry that pillar 3 is clamped.Therefore, above-mentioned holding position H is being held2In the case of, with thumb and index finger (and middle finger)
Hold the front end of above-mentioned extension 43 in a manner of grasping, or with index finger (and middle finger) handle in a manner of hooking from below
The front end for holding above-mentioned extension 43, to make above-mentioned electric fan 41 be moved in a manner of not inclined.Also, in above-mentioned extension 43
The leading edge potion of above-mentioned notch 23 of lower part form above-mentioned front protrusion portion 44, because the finger of user contacts above-mentioned front protrusion portion
44, and notify that finger may be in situation more nipped than the position of front protrusion portion 44 more posteriorly, so as to carry to user
High security.Moreover, as noted previously, as it is above-mentioned up and down oscillating head mechanism 24 constituted using the larger torsional moment hinge of torque, institute
To hold position H2When, above-mentioned air supplying part 42 is difficult to tilt in the up-down direction.In addition, third holds position H3It is
The part of the above-mentioned pillar of the ratio of above-mentioned extension 43 3 more posteriorly.The position from the deviation of gravity center of above-mentioned electric fan 41, if into
Row is held, then above-mentioned air supplying part 42 is relatively tilted in a manner of directed downwardly relative to above-mentioned pillar 3, therefore after movement, is needed
Adjust the direction in the up-down direction of above-mentioned air supplying part 42.On the other hand, if holding position H3, then above-mentioned notch 23
Rear left from above-mentioned pillar 3, will not be clamped by the rear of above-mentioned notch 23 and above-mentioned pillar 3 to finger, therefore peace
Entirely.Also, the trailing edge potion of the above-mentioned notch 23 in the lower part of above-mentioned extension 43 forms above-mentioned rearward projection portion 45, because of user
Finger contact above-mentioned rearward projection portion 45, and notify finger may be front protrusion portion 45 is closer to the front is jammed than this to user
The case where, so as to more improve safety.
In this way, by being set as that the structure of above-mentioned pillar 3 or above-mentioned extension 43 can be held, it need not be in above-mentioned air-supply
The handle parts such as handle are arranged in portion 42.Moreover, because the handle parts such as handle need not be arranged like this, so from above-mentioned aerofoil fan
The air-flow that 14 rear is attracted will not be disorderly due to the handle parts such as handle.This is especially as in the present invention, above-mentioned aerofoil fan
14 make the slave air-flow generated according to primary air caused by above-mentioned blade part 27 from the rear of above-mentioned air supplying part 42 towards above-mentioned frame
The circulating inside of body 25 can not interfere in the above-mentioned electric fan 41 for the above-mentioned aerofoil fan 14 for having used such type
It is above-mentioned from air-flow, therefore effectively.
As described above, the electric fan 41 of the present invention has:It is accommodated with the motor case 10 of motor 9:With passing through above-mentioned horse
Up to 9 and rotate aerofoil fan 14 air supplying part 42;And support the pillar 3 of the air supplying part 42, in the electric fan 41, every
The position of said motor shell 10 and the opposite side (side opposite with 14 side of aerofoil fan) positioned at above-mentioned aerofoil fan 14
It is formed with extension 43, which has than being accommodated with the position of said motor 9 that is, the shell of said motor shell 10
The axial cross section of main body 15 accumulates (π (D1/2)2) small axial cross section accumulates (π (D4/2)2), and the extension 43 with it is above-mentioned
The top of pillar 3 connects, and the space of the waste in above-mentioned air supplying part 42 can be reduced, so as to make above-mentioned air supplying part 42 become
It is small-sized.
Also, with the base portion 2 for being accommodated with yaw motor 5 in inside, the lower part of above-mentioned pillar 3 is connect with the base portion 2, and
And above-mentioned pillar 3 can be rotated by above-mentioned yaw motor 5, without storing yaw motor 5 in said motor shell 10,
Can make above-mentioned air supplying part 42 further becomes small-sized in turn.
Also, pass through the above-mentioned aerofoil fan of the storage said motor shell 10 in the central hub portion 20 of the aerofoil fan 14
14 sides can reduce the size until from the front end of above-mentioned aerofoil fan 14 to the rear end of above-mentioned motor case 10, so as to
Making above-mentioned air supplying part 42 further becomes small-sized.
In addition, by the way that operating unit 22 is arranged in above-mentioned extension 43, user can carry out in the state of standing
The operation for stating operating unit 22, so as to improve operability.
Next, being illustrated to the 4th embodiment of the present invention based on Fig. 8.In addition, in the fourth embodiment, removing
Structure other than extension 53 is identical to the structure of third embodiment as above-mentioned first, to which the description thereof will be omitted.
51 be the electric fan of the present invention.The electric fan 51 is configured to have discoid base portion 2, in the base portion 2
The air supplying part 52 of the cylindric pillar 3 and the top for being installed on the pillar 3 of centre.
Above-mentioned air supplying part 52 has:Store the motor case 10 of the motors 9 such as d.c. motor;It is set as to the motor case 10
The above-mentioned extension 53 that rear extends;It is installed on the rear shield 12 of said motor shell 10;It is installed on the front side of the rear shield 12
Front protection cover 13;And the axis stream wind of the front side of said motor shell 10 is surrounded and is set to by above-mentioned rear shield 12 and front protection cover 13
Fan 14.That is, above-mentioned extension 53 is formed in the opposite side across said motor shell 10 and positioned at above-mentioned aerofoil fan 14 (with axis
The opposite side in 14 side of flow fan) position.
Above-mentioned extension 53 is substantially cylindrical, and is set as from the center of the flange part 16 of said motor shell 10 rearward
It is prominent.Moreover, above-mentioned extension 53 is arranged with said motor shell 10 and said motor 9 in coaxial.Also, above-mentioned
The upper surface part of extension 53 is equipped with operating unit 22, and in the inside stowing switch substrate 22C of above-mentioned extension 53.Separately
Outside, the part slightly forward in the ratio center of the lower surface portion of above-mentioned extension 53 is formed with mounting hole 54, from the mounting hole 54
The upper end of above-mentioned pillar 3 is inserted into above-mentioned extension 53.In addition, the outer diameter of the internal diameter of above-mentioned mounting hole 54 and above-mentioned pillar 3
It is roughly the same.Also, the upper end of above-mentioned pillar 3 is fixed on above-mentioned extension 53 with the state orthogonal with the axial direction of the extension 53
It is interior.Further, since above-mentioned extension 53 does not store said motor 9, so its external dimensions (the case where present embodiment can be made
Under be outer diameter) it is relatively thin.That is, the above-mentioned fastener 18 of ratio that the outer diameter of above-mentioned extension 53 is less than above-mentioned housing main body 15 is more forwardly of
Partial outer diameter.That is, the axial cross section of above-mentioned extension 53 is accumulated than the axis for the above-mentioned housing main body 15 for being accommodated with said motor 9
It is small to cross-sectional area.In the present embodiment, the axial cross section product of above-mentioned extension 53 is diameter D4Circle area (π (D4/
2)2).Equally, the axial cross section product of above-mentioned housing main body 15 is diameter D1Circle area (π (D1/2)2).In addition, above-mentioned prolong
The outer diameter D in long portion 534Than the outer diameter D of said motor 92It is small.That is, the axial cross section of above-mentioned extension 53 is accumulated than said motor 9
Axial cross section accumulates (π (D2/2)2) small.In addition, in the present embodiment, the outer diameter D of above-mentioned extension 534It is 45mm or so.And
And since above-mentioned pillar 3 is inserted in above-mentioned extension 53, so at least end, width are formed as than above-mentioned extension on it
The outer diameter D in portion 534Carefully.In this case, since above-mentioned pillar 3 is cylindrical, so its outer diameter D5Prolong than above-mentioned
The outer diameter D in long portion 534It is small.
Moreover, as described above, by storing said motor 9 in said motor shell 10, and in the motor case 10
Rear is equipped with the above-mentioned extension 53 for not storing said motor 9, and the space that can reduce the waste in above-mentioned air supplying part 52 is come
Above-mentioned air supplying part 52 is set to become small-sized, so as to improve appearance design.In the present embodiment, due in above-mentioned extension
53 are equipped with the switch substrate 22C of aforesaid operations unit 22, so above-mentioned extension 53 is the switch for storing aforesaid operations unit 22
The size of substrate 22C.Also, pass through the storage said motor shell 10 in the central hub portion 20 of above-mentioned aerofoil fan 14
The above-mentioned fastener of the ratio of 14 side of aerofoil fan that is, housing main body 15 18 is located further forward the part of side, can reduce from above-mentioned axis stream wind
Size until the front end to the rear end of above-mentioned motor case 10 of fan 14, becomes small so as to make above-mentioned air supplying part 52 further
Type.In addition, in existing electric fan, usually yaw motor is incorporated in the construction in air supplying part, but in the electricity of the present invention
In fan 51, above-mentioned yaw motor 5 is incorporated in above-mentioned base portion 2, becomes small so as to make above-mentioned air supplying part 52 further
Type.
Next, being illustrated to the effect of the 4th embodiment of the present invention.First, user is in above-mentioned base portion 2
One end of the same power cord (not shown) of electrical power source connection connection (not shown), and the other end of the power cord is connected to not
The AC power of diagram.So, above-mentioned electric fan 51 becomes the state that can be worked.Moreover, being set to by operation above-mentioned
The aforesaid operations unit 22 on the top of extension 53 can make above-mentioned electric fan 51 work.In addition, the electric fan 51 can pass through
Aforesaid operations unit 22 come the rotation to above-mentioned aerofoil fan 14 and stopping, above-mentioned aerofoil fan 14 rotary speed tune
Section, above-mentioned air supplying part 52 yaw selection and disconnect timer and be set for operating.Moreover, by above-mentioned extension
The top setting aforesaid operations unit 22 in portion 53, user can carry out the operation of above-mentioned electric fan 51 in the state of standing,
So as to improve operability.Moreover, by making the rotation of above-mentioned aerofoil fan 14 come the structure for generating air-flow and existing electric wind
It fans identical.
Also, if above-mentioned pair operating unit 22B is operated to select to make above-mentioned air supplying part 52 to carry out yaw, it is built in above-mentioned
5 reciprocating rotation of yaw motor of base portion 2.Moreover, if above-mentioned 5 reciprocating rotation of yaw motor, the action of the yaw motor 5 are upward
State the transmission of spur gear 6,3 reciprocating rotation of above-mentioned pillar to be connect with the spur gear 6.If in this way, 3 reciprocating rotation of pillar,
Then it is set to the above-mentioned air supplying part 52 of the upper end of the pillar 3 also reciprocating rotation in linkage.Above-mentioned air supplying part 52 being capable of edge as a result,
Horizontal direction carries out yaw side and is blown on a large scale by above-mentioned aerofoil fan 14.
In addition, in the case where making above-mentioned electric fan 51 move, the position that user can hold is at two.First holds
Position HAIt is the top of above-mentioned pillar 3.As noted previously, as the pillar 3 be in the thinner cylindrical shape of outer diameter, even so hand compared with
Small people is also easy to hold.Also, second holds position HBIt is that above-mentioned extension 53 is whole.The position is especially from above-mentioned branch
Part until the periphery of column 3 to above-mentioned flange part 16 close to the center of gravity of above-mentioned electric fan 51 upper part, when to hold
Weight balancing is excellent, is easy to be held.Also, it is different to third embodiment from first, upper and lower oscillating head mechanism 24 is not present,
From without the nipped worry of finger, therefore safety.
In this way, by being set as that the structure of above-mentioned pillar 3 or above-mentioned extension 53 can be held, it need not be in above-mentioned air-supply
The handle parts such as handle are arranged in portion 52.Moreover, because the handle parts such as handle need not be arranged like this, so from above-mentioned aerofoil fan
The air-flow that 14 rear is attracted will not be disorderly due to the handle parts such as handle.This is especially as in the present invention, above-mentioned aerofoil fan
14 make the slave air-flow generated according to primary air caused by above-mentioned blade part 27 from the rear of above-mentioned air supplying part 52 towards above-mentioned frame
The circulating inside of body 25 can not interfere in the above-mentioned electric fan 51 for the above-mentioned aerofoil fan 14 for having used such type
It is above-mentioned from air-flow, therefore effectively.
As described above, the electric fan 51 of the present invention has:It is accommodated with the motor case 10 of motor 9;With passing through above-mentioned horse
Up to 9 and rotate aerofoil fan 14 air supplying part 52;And support the pillar 3 of the air supplying part 52, in the electric fan 51, every
The position of said motor shell 10 and the opposite side (side opposite with 14 side of aerofoil fan) positioned at above-mentioned aerofoil fan 14
It is formed with extension 53, which has than being accommodated with the position of said motor 9 that is, the shell of said motor shell 10
The axial cross section of main body 15 accumulates (π (D1/2)2) small axial cross section accumulates (π (D4/2)2), and the extension 53 with it is above-mentioned
The top of pillar 3 connects, and the space of the waste in above-mentioned air supplying part 52 can be reduced, so as to make above-mentioned air supplying part 52 become
It is small-sized.
Also, with the base portion 2 for being accommodated with yaw motor 5 in inside, the lower part of above-mentioned pillar 3 is connect with the base portion 2, and
And above-mentioned pillar 3 can be rotated by above-mentioned yaw motor 5, without storing yaw motor 5 in said motor shell 10,
Can make above-mentioned air supplying part 52 further becomes small-sized in turn.
Also, pass through the above-mentioned aerofoil fan of the storage said motor shell 10 in the central hub portion 20 of the aerofoil fan 14
14 sides can reduce the size until from the front end of above-mentioned aerofoil fan 14 to the rear end of above-mentioned motor case 10, so as to
Making above-mentioned air supplying part 52 further becomes small-sized.
In addition, by the way that operating unit 22 is arranged in above-mentioned extension 53, user can carry out in the state of standing
The operation for stating operating unit 22, so as to improve operability.
In addition, the present invention is not limited to above embodiment, can be carried out in the range of the purport of invention various
Deformation implementation.For example, in the respective embodiments described above, making above-mentioned extension 11,33,43,53 be formed as cylindrical shape, but not
It is defined in the shape, polygon prism shape or cylindroid shape can also be formed as.Also, in the respective embodiments described above, structure
As only pillar 3 relative to 2 reciprocating rotation of base portion, but above-mentioned base portion can also be divided up and down, make upper part and the branch of the base portion
Cylindricality is integrally formed, and makes the upper part of the above-mentioned base portion reciprocating rotation together with pillar.
Claims (4)
1. a kind of electric fan, has:It is accommodated with the motor case of motor;With the aerofoil fan rotated by said motor
Air supplying part;And the pillar of the air supplying part is supported,
Above-mentioned electric fan is characterized in that,
It is formed with extension in the side opposite with aerofoil fan side of said motor shell, which has on than being accommodated with
The axial cross section for stating the said motor shell at the position of motor accumulates small axial cross section product, and the extension and above-mentioned branch
The top of column connects.
2. electric fan according to claim 1, which is characterized in that
With the base portion for being accommodated with yaw motor in inside, the lower part of above-mentioned pillar is connect with the base portion, and above-mentioned pillar is logical
Crossing above-mentioned yaw motor can rotate.
3. electric fan according to claim 1, which is characterized in that
Said motor shell has the position being incorporated in the central hub portion of above-mentioned aerofoil fan.
4. electric fan according to claim 1, which is characterized in that
It is equipped with operating unit in above-mentioned extension.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-076140 | 2017-04-06 | ||
| JP2017076140A JP6937156B2 (en) | 2017-04-06 | 2017-04-06 | Fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108691793A true CN108691793A (en) | 2018-10-23 |
Family
ID=63845408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810296809.1A Pending CN108691793A (en) | 2017-04-06 | 2018-04-03 | Electric fan |
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| Country | Link |
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| JP (1) | JP6937156B2 (en) |
| CN (1) | CN108691793A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JPH0674190A (en) * | 1993-07-30 | 1994-03-15 | Sanyo Electric Co Ltd | Fan |
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| CN101001039A (en) * | 2006-01-13 | 2007-07-18 | 日本电产科宝株式会社 | Compact fan motor and electric device comprising a compact fan motor |
| CN204493242U (en) * | 2015-03-18 | 2015-07-22 | 广东美的环境电器制造有限公司 | Electric fan |
| CN205503528U (en) * | 2016-04-03 | 2016-08-24 | 王国萍 | Novel cold and hot double -purpose electric fan |
| CN205618413U (en) * | 2016-04-07 | 2016-10-05 | 宁波市北仑职业高级中学 | Multi -angle rotating electric fan |
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| JPH01138399A (en) * | 1987-11-24 | 1989-05-31 | Sanyo Electric Co Ltd | Blowing fan |
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| JP6132613B2 (en) * | 2013-03-25 | 2017-05-24 | ツインバード工業株式会社 | Fan |
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|---|---|---|---|---|
| US4472110A (en) * | 1983-01-04 | 1984-09-18 | Pak Sun Keu | Wind shifting apparatus for the electric fan |
| JPH0674190A (en) * | 1993-07-30 | 1994-03-15 | Sanyo Electric Co Ltd | Fan |
| CN1318697A (en) * | 2000-04-19 | 2001-10-24 | 美蓓亚株式会社 | Fan with motor yoke mounted by gap-filling spot-welding and mounting method thereof |
| CN101001039A (en) * | 2006-01-13 | 2007-07-18 | 日本电产科宝株式会社 | Compact fan motor and electric device comprising a compact fan motor |
| CN204493242U (en) * | 2015-03-18 | 2015-07-22 | 广东美的环境电器制造有限公司 | Electric fan |
| CN205503528U (en) * | 2016-04-03 | 2016-08-24 | 王国萍 | Novel cold and hot double -purpose electric fan |
| CN205618413U (en) * | 2016-04-07 | 2016-10-05 | 宁波市北仑职业高级中学 | Multi -angle rotating electric fan |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6937156B2 (en) | 2021-09-22 |
| JP2018178789A (en) | 2018-11-15 |
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