CN104696259B - Liftable electric fan - Google Patents
Liftable electric fan Download PDFInfo
- Publication number
- CN104696259B CN104696259B CN201510080090.4A CN201510080090A CN104696259B CN 104696259 B CN104696259 B CN 104696259B CN 201510080090 A CN201510080090 A CN 201510080090A CN 104696259 B CN104696259 B CN 104696259B
- Authority
- CN
- China
- Prior art keywords
- upper tube
- stopping means
- tube
- electric fan
- down tube
- 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.)
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Links
- 230000033001 locomotion Effects 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a liftable electric fan which comprises a machine body and a lifting pipe, wherein the lifting pipe comprises an upper pipe and a lower pipe, the upper pipe is fixedly arranged inside the machine body, the inner diameter of the upper pipe is larger than the outer diameter of the lower pipe, one end of the lower pipe is sleeved in the upper pipe, and the lower pipe can move in the upper pipe in a telescopic mode. The liftable electric fan adopts a lifting pipe structure with a thick upper part and a thin lower part, and the thick upper pipe is arranged in the machine body, so that the compactness of the structure is improved, the upper pipe has a reinforcing effect on the machine body, the whole structure is more stable, the gravity center is more concentrated, the height adjustment can be completed only by stretching and retracting the lower pipe when the liftable electric fan is used, the gravity center deviation in the adjustment process is effectively prevented, and the noise caused by the shaking of the machine body is reduced.
Description
Technical field
The present invention relates to family's electro-technical field, more particularly to a kind of lifting electric fan.
Background technology
At present, the lifting electric fan of in the market is the regulation that height is carried out by fall way mostly.The fall way bag
The thinner upper tube of diameter and thicker down tube are included, wherein, one end of upper tube is connected with fuselage, and the other end is sleeved in down tube, is led to
Cross flexible in down tube of upper tube and reach the purpose of lift adjustment.The fall way less stable of such a structure, in rising-falling tone
Easily cause centre-of gravity shift during section, so as to cause the fuselage of electric fan to rock, increase the noise of fan.
The content of the invention
The present invention provides a kind of lifting electric fan good for structural stability.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of lifting electric fan, including fuselage and fall way, the fall way include top tube and down tube, and the upper tube is consolidated
Dingan County is mounted in the inside of the fuselage, and the internal diameter of the upper tube is more than the external diameter of the down tube, and one end of the down tube is sleeved on
In the upper tube, and the down tube can in the upper tube stretching motion.
In one of the embodiments, the first end of the upper tube is provided with the first stopping means, and the second of the upper tube
End is provided with the second stopping means；
The one end being sleeved in the down tube in the upper tube is provided with the 3rd stopping means, and the 3rd stopping means can
Offseted respectively with first stopping means and second stopping means.
In one of the embodiments, first stopping means, second stopping means and the 3rd spacing dress
It is stop collar to put.
In one of the embodiments, multiple screwed holes are provided with the side wall of the upper tube, the upper tube passes through multiple
Screw is fixedly mounted on the inside of the fuselage.
In one of the embodiments, the fuselage is internally provided with the first location structure, in the upper tube with it is described
The corresponding opening position of first location structure is provided with the second location structure, and the upper tube passes through first location structure and institute
The cooperation for stating the second location structure is positioned.
In one of the embodiments, first location structure is axially disposed positioning bar, second positioning
Structure is axially disposed positioning hole, and the positioning bar passes through the positioning hole.
In one of the embodiments, opening position corresponding with the positioning bar in the 3rd stopping means is provided with
Guide groove, the down tube can be moved by the guide groove along the positioning bar.
In one of the embodiments, it is axially disposed on the madial wall of the upper tube to have the first guide frame, described
The opening position corresponding with first guide frame is axially disposed in three stopping means the second guide frame, the down tube
It can be moved by second guide frame along first guide frame.
In one of the embodiments, first guide frame is guide rail, and second guide frame is guide groove, described
Guide rail is engaged with the guide groove.
In one of the embodiments, the down tube is solid construction.
Beneficial effects of the present invention are as follows：
The lifting electric fan of the present invention, has overturned the up-thin-low-thick structure of conventional elevator tube, using upper coarse and lower fine structure
Fall way, while thicker upper tube is arranged on fuselage interior, adds the compactedness of structure so that the structure of complete machine is more steady
Gu center of gravity is more concentrated, need to only be stretched by down tube in the upper tube of fuselage interior can complete the regulation of height when in use, have
Effect prevents the skew of center of gravity during regulation, reduces the noise caused by fuselage rocks.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of fall way one in lifting electric fan of the invention；
Fig. 2 is the explosive view of the embodiment of fall way one in lifting electric fan of the invention；
Fig. 3 is the structural representation of the embodiment of upper tube one in lifting electric fan of the invention；
Fig. 4 is sectional view of the lifting electric fan middle fuselage with the embodiment of fall way one of the present invention；
Fig. 5 is sectional view of the lifting electric fan middle fuselage with another embodiment of fall way of the present invention；
Fig. 6 is the structural representation of another embodiment of upper tube in lifting electric fan of the invention.
Embodiment
The present invention is described in detail below in conjunction with embodiment.It should be noted that in the case where not conflicting, the application
In embodiment and embodiment in feature can be mutually combined.
Referring to Fig. 1 to Fig. 6, the invention provides a kind of lifting electric fan, the lifting electric fan includes fall way 100
With fuselage 200.Fall way 100 is used for the height for adjusting electric fan, including upper tube 110 and down tube 120；Wherein, upper tube 110 is fixed
Installed in the inside of fuselage 200, the internal diameter of upper tube 110 is more than the external diameter of down tube 120, and one end of down tube 120 is sleeved on upper tube 110
In, and down tube 120 can in upper tube 110 stretching motion.
In addition, it is additionally provided with locking device 160, as depicted in figs. 1 and 2, locking device on the fall way 100 of the present invention
160 are arranged on the lower end of upper tube 110.When lifting electric fan needs to carry out height regulation, locking device 160 only need to be loosened,
Then collapsing length of the down tube 120 in upper tube 110 is adjusted, locks locking device 160 after adjustment, and then by down tube
120 fix.It should be noted that the locking device 160 of the present invention can use locking device any appropriate in the prior art.
Compared with traditional lifting electric fan, the upper tube 110 of lifting electric fan of the invention is relatively thick, down tube 120 compared with
Carefully, and thicker upper tube 110 be fixedly mounted on it is not exposed inside fuselage 200, so as to add the compactedness of structure so that outer
Sight is more succinct, and center of gravity is more concentrated；Meanwhile upper tube 110 has booster action for fuselage 200, further increases overall structure
Steadiness, when adjusting height, can be considered that down tube 120 is stretched in fuselage 200 to be adjusted, effectively prevent and adjusted
The skew of center of gravity in journey, reduce the noise caused by fuselage 200 rocks.
As depicted in figs. 1 and 2, the first end (upper end) of upper tube 110 is provided with the first stopping means 130, and the of upper tube 110
Two ends (lower end) are provided with the second stopping means 140, and it is spacing that the one end being sleeved in down tube 120 in upper tube 110 is provided with the 3rd
Device 150, and the 3rd stopping means 150 can offset with the first stopping means 130 and the second stopping means 140 respectively.Work as needs
During by highly turning down, down tube 120 is moved upwards, carries out contractile motion, now, the length of overlapped part of down tube 120 and upper tube 110
Gradually increase, needed for highly reach during position, stop the contractile motion of down tube 120, using locking device 160 by down tube 120
It is fixed, wherein, when down tube 120 is retracted at utmost, the 3rd stopping means 150 offsets with the first stopping means 130, so as to
Limit the further contraction of down tube 120, it is therefore prevented that down tube 120 passes through the upper end of upper tube 110；When needing highly heightening,
Down tube 120 moves downward, and carries out stretching motion, now, the length of overlapped part of down tube 120 and upper tube 110 is gradually reduced, and works as height
When degree reaches required position, stop the stretching motion of down tube 120, fixed down tube 120 using locking device 160, wherein, instantly
When pipe 120 is elongated at utmost, the 3rd stopping means 150 offsets with the second stopping means 140, so as to limit down tube 120
Further elongation, it is therefore prevented that down tube 120 departs from upper tube 110.
It is preferred that the first stopping means 130, the second stopping means 140 and the 3rd stopping means 150 are stop collar.Its
In, on the madial wall as the spacing first end for being set on upper tube 110 of the first stopping means 130, as the second spacing dress
Put on 140 madial wall at spacing the second end for being set on upper tube 110, the stop collar as the 3rd stopping means 150 is set
On the top of down tube 120.When down tube 120 is retracted at utmost, the stop collar as the first stopping means 130 is with being used as the
The stop collar of three stopping means 150 offsets, and limitation down tube 120 continues to shrink；When down tube 120 is elongated at utmost, make
Be the stop collar of the second stopping means 140 with offseted as the stop collar of the 3rd stopping means 150, limit down tube 120 continuation
Elongation.Which assembling is simple, easily realizes, can effectively limit the telescopic displacement of down tube 120 and can avoid the He of upper tube 110
The generation of the break-off of down tube 120, increase the using effect of lifting electric fan.
In other embodiments, the first stopping means 130, the second stopping means 140 and the 3rd stopping means 150 are alternatively
Limited block or other limiting components.
As a kind of embodiment, the first stopping means 130, the second stopping means 140 and the 3rd stopping means 150 can
The mode for being connected by screw or snapping connection is arranged in upper tube 110 or down tube 120, can also be set by way of interference fit
Put in upper tube 110 or down tube 120.
It is preferred that as shown in figure 3, being additionally provided with error-proof structure 112 in the first end of upper tube 110, the error-proof structure 112 is used
In the assembling for aiding in the first stopping means 130, the generation of the loading error phenomenon of the first stopping means 130 is prevented, improves assembling
Speed and assembling quality.
With continued reference to Fig. 3, as a kind of embodiment, multiple screwed holes 114 are provided with the side wall of upper tube 110, compared with
Goodly, multiple screwed holes 114 are evenly distributed in the side wall of upper tube 110 vertically, and upper tube 110 is accordingly worn by multiple screws
Enter perforate corresponding with multiple screwed holes on multiple screwed holes 114 and fuselage 200 or screwed hole and be fixedly installed to machine
The inside of body 200.Wherein, multiple screwed holes 114 can be formed by upper tube itself hole flanging tapping, also can be by welding screw element
Formed.The mode of mode connects for screw is installed simply, and to be detachably connected, facilitates the repair and replacement of part.
It should be noted that heretofore described axial direction refers to the axial direction of fall way 100.
More preferably, as shown in figure 4, fuselage 200 is internally provided with the first location structure 210, determine in upper tube 110 with first
The corresponding opening position of bit architecture 210 is provided with the second location structure 116, wherein, upper tube 110 passes through the first location structure 210
Cooperation with the second location structure 116 is positioned.In which, the first location structure 210 and the second location structure 116 are upper
Assembling of the pipe 110 in fuselage 200 provides direction, while after assembling, limits position of the upper tube 110 in fuselage 200
Move, so as to add the integrally-built steadiness of lifting electric fan of the present invention.
More preferably, the first location structure 210 can be multiple that multiple first location structures 210 are uniformly distributed circumferentially in institute
The inside of fuselage 200 is stated, correspondingly, second location structure 116 corresponding with the first location structure 210 is also to be multiple.The party
Formula further increases the integrally-built steadiness of lifting electric fan of the present invention.
With continued reference to Fig. 4, as a kind of embodiment, the first location structure 210 is axially disposed positioning bar, the
Two location structures 116 are axially disposed positioning hole, and positioning bar passes through positioning hole.Which uses positioning bar and positioning hole phase
The mode of cooperation, by the way that positioning bar is stuck at positioning hole, to prevent the relative motion between upper tube 110 and fuselage 200, realize
The positioning of upper tube 100.
In addition, in other embodiments, the first location structure 210 or axially disposed locating slot, correspondingly, the
Two location structures 116 are then axially disposed positioning bar, and determining for upper tube 110 is realized by the cooperation of locating slot and positioning bar
Position.
With continued reference to Fig. 4, it is preferred that when the first location structure 210 is axially disposed positioning bar, the second location structure
116 when being axially disposed positioning hole, can set guide groove in the 3rd stopping means 150 simultaneously, wherein, the setting position of guide groove
Put corresponding with positioning bar (the first location structure 210), when carrying out lift adjustment, down tube 120 can be by guide groove along positioning
Muscle (the first location structure 210) is mobile.In which, the first location structure 210 has not only played the effect of positioning, while also rises
Rotation stop, the effect being oriented to have been arrived, when height is adjusted, has passed through the cooperation of the first location structure 210 and guide groove so that down tube 120
Moved along the first location structure 210, the relative circumferential movement between down tube 120 and upper tube 110 can be prevented, effectively increased
The stability of center of gravity during lift adjustment is added.
It is axially disposed on the madial wall of upper tube 110 to have the first guiding knot as another embodiment referring to Fig. 5
Structure 118, correspondingly, the opening position corresponding with the first guide frame 118 is provided with the second guiding knot in the 3rd stopping means 150
Structure 154, down tube 120 can be moved by the second guide frame 154 along the first guide frame 118.In which, first is oriented to knot
The guide frame 154 of structure 118 and second cooperates, and when carrying out height regulation, down tube 120 is entered along the first guide frame 118
Row movement, can prevent the relative circumferential movement between upper tube 110 and down tube 120, equally serve rotation stop, the effect being oriented to.
It should be noted that the first guide frame 118 can select design one or more according to the situation of fuselage；When the first guide frame
118 for it is multiple when, the second matched guide frame 154 is also to be multiple, it is preferred that multiple first guide frames 118 are along week
To being evenly distributed on the madial wall of upper tube 110.
Preferably, as shown in Figure 5 and Figure 6, the first guide frame 118 is guide rail, and the second guide frame 154 is guide groove, should
Guide rail is engaged with the guide groove.When carrying out height regulation, down tube 120 is moved by guide groove along guide rail, so as to effectively
Prevent circumferentially displaced, add the steadiness of structure.
Referring to Fig. 5 and Fig. 6, the guide rail as the first guide frame 118 can be by the flange shape of the axial aperture in upper tube 110
Into which avoids the introducing of other materials, reduces cost.As shown in fig. 6, the both ends of perforate are additionally provided with reserved crack arrest
Groove 119 (region i.e. without turn-ups), to prevent the both ends of perforate from ftractureing.
It should be noted that in other embodiments, the first guide frame 118 can be axially disposed guide groove, second
Guide frame 154 or it is axially disposed lead muscle, lead muscle and cooperated with guide groove.
Preferably, in the present invention, down tube 120 is solid construction.Compared with conventional elevator tube, using under solid construction
Pipe 120 enables to the lifting electric fan of the present invention more firm, effectively prevent in lift adjustment process middle fuselage 200
Rock.
The lifting electric fan of the present invention, using the structure of upper coarse and lower fine fall way 100, while by thicker upper tube
110 are arranged on inside fuselage 200 without exposed, add the compactedness of structure, and upper tube 110 has booster action to the body of machine 200,
So that the structure of complete machine is more firm, center of gravity is more concentrated, and need to only pass through upper tube 110 of the down tube 120 inside fuselage 200 when in use
In stretch and can complete the regulation of height, effectively prevent the skew of center of gravity during regulation, reduce because fuselage 200 rocks
Caused by noise.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
1. a kind of lifting electric fan, including fuselage (200) and fall way (100), the fall way (100) include upper tube
And down tube (120) (110), it is characterised in that the upper tube (110) is fixedly mounted on the inside of the fuselage (200), it is described on
The internal diameter for managing (110) is more than the external diameter of the down tube (120), and one end of the down tube (120) is sleeved on the upper tube (110)
In, and the down tube (120) can in the upper tube (110) stretching motion；The fuselage (200) to be internally provided with first fixed
Bit architecture (210), it is fixed to be provided with second for the opening position corresponding with first location structure (210) in the upper tube (110)
Bit architecture (116), the upper tube (110) are matched somebody with somebody by first location structure (210) and the second location structure (116)
Conjunction is positioned；
First location structure (210) is axially disposed positioning bar, and second location structure (116) is to set vertically
The positioning hole put, the positioning bar pass through the positioning hole；One be sleeved on the down tube (120) in the upper tube (110)
Hold and be provided with the 3rd stopping means (150), the opening position corresponding with the positioning bar is set in the 3rd stopping means (150)
Guide groove is equipped with, the down tube (120) can be moved by the guide groove along the positioning bar.
2. lifting electric fan according to claim 1, it is characterised in that the first end of the upper tube (110) is provided with
First stopping means (130), the second end of the upper tube (110) are provided with the second stopping means (140)；
3rd stopping means (150) can respectively with first stopping means (130) and second stopping means (140)
Offset.
3. lifting electric fan according to claim 2, it is characterised in that first stopping means (130), described
Two stopping means (140) and the 3rd stopping means (150) are stop collar.
4. lifting electric fan according to claim 1, it is characterised in that be provided with the side wall of the upper tube (110)
Multiple screwed holes (114), the upper tube (110) are fixedly mounted on the inside of the fuselage (200) by multiple screws.
5. the lifting electric fan according to any one of Claims 1 to 4, it is characterised in that the down tube (120) is solid
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080090.4A CN104696259B (en) | 2015-02-13 | 2015-02-13 | Liftable electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080090.4A CN104696259B (en) | 2015-02-13 | 2015-02-13 | Liftable electric fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104696259A CN104696259A (en) | 2015-06-10 |
| CN104696259B true CN104696259B (en) | 2017-12-01 |
Family
ID=53343704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510080090.4A Active CN104696259B (en) | 2015-02-13 | 2015-02-13 | Liftable electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696259B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801684B (en) * | 2017-03-21 | 2023-05-26 | 莱克电气股份有限公司 | Lifting device and fan using same |
| CN112932532B (en) * | 2021-01-25 | 2022-09-13 | 四川省人民医院 | Intracardiac treatment and diagnosis ultrasonic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672293A (en) * | 2009-10-13 | 2010-03-17 | 吕荣焕 | Multi-head fan |
| CN202149043U (en) * | 2011-07-05 | 2012-02-22 | 先锋电器集团有限公司 | Stand fan |
| CN203717411U (en) * | 2013-12-23 | 2014-07-16 | 广东美的环境电器制造有限公司 | Lifting mechanism of electric fan and electric fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203717400U (en) * | 2013-11-19 | 2014-07-16 | 广东美的环境电器制造有限公司 | Electric fan |
| CN204493252U (en) * | 2015-02-13 | 2015-07-22 | 珠海格力电器股份有限公司 | Liftable electric fan |
-
2015
- 2015-02-13 CN CN201510080090.4A patent/CN104696259B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672293A (en) * | 2009-10-13 | 2010-03-17 | 吕荣焕 | Multi-head fan |
| CN202149043U (en) * | 2011-07-05 | 2012-02-22 | 先锋电器集团有限公司 | Stand fan |
| CN203717411U (en) * | 2013-12-23 | 2014-07-16 | 广东美的环境电器制造有限公司 | Lifting mechanism of electric fan and electric fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104696259A (en) | 2015-06-10 |
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