CN104696259A - Liftable electric fan - Google Patents
Liftable electric fan Download PDFInfo
- Publication number
- CN104696259A CN104696259A CN201510080090.4A CN201510080090A CN104696259A CN 104696259 A CN104696259 A CN 104696259A CN 201510080090 A CN201510080090 A CN 201510080090A CN 104696259 A CN104696259 A CN 104696259A
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- CN
- China
- Prior art keywords
- pipe
- electric fan
- limit stoper
- upper pipe
- lifting electric
- 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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Classifications
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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 invention discloses a liftable electric fan which comprises a body and a lifting tube, wherein the lifting tube comprises an upper tube and a lower tube; the upper tube is fixedly mounted in the body; the inner diameter of the upper tube is greater than the outer diameter of the lower tube; one end of the lower tube is sleeved by the upper tube; the lower tube can extend and retract in the upper tube. The liftable electric fan disclosed by the invention adopts the lifting tube structure which is thick on the upper part and thin on the lower part, and moreover, the relatively thick upper tube is mounted in the body, so that the structural compactness is increased; the upper tube plays a reinforcing role on the body, so that the integral structure is relatively steady, the center of gravity is relatively centralized, and the height can be adjusted by extending and retracting the lower tube during use. Therefore, the center of gravity in the adjusting process is effectively prevented from being deviated, and noise caused by shake of the body is reduced.
Description
Technical field
The present invention relates to an electro-technical field, particularly relate to a kind of lifting electric fan.
Background technique
At present, the lifting electric fan on market is the adjustment being carried out height by fall way mostly.This fall way comprises the thinner upper pipe of diameter and thicker lower pipe, and wherein, one end of upper pipe is connected with fuselage, and the other end is sleeved in lower pipe, by the flexible object that reach lift adjustment of upper pipe in lower pipe.The fall way less stable of this kind of structure, easily causes centre-of gravity shift in the process of lift adjustment, thus causes the fuselage of electric fan to rock, and increases the noise of fan.
Summary of the invention
The invention provides a kind of lifting electric fan good for structure stability.
For achieving the above object, the present invention adopts following technological scheme:
A kind of lifting electric fan, comprise fuselage and fall way, described fall way comprises top tube and down tube, described upper pipe is fixedly mounted on the inside of described fuselage, the internal diameter of described upper pipe is greater than the external diameter of described lower pipe, one end of described lower pipe is sleeved in described upper pipe, and described lower pipe can on described fore and aft motion in pipe.
Wherein in an embodiment, the first end of described upper pipe is provided with the first limit stoper, and the second end of described upper pipe is provided with the second limit stoper;
On described lower pipe, the one end be sleeved in described upper pipe is provided with the 3rd limit stoper, and described 3rd limit stoper can offset with described first limit stoper and described second limit stoper respectively.
Wherein in an embodiment, described first limit stoper, described second limit stoper and described 3rd limit stoper are stop collar.
Wherein in an embodiment, the sidewall of described upper pipe is provided with multiple tapped hole, described upper pipe is fixedly mounted on the inside of described fuselage by multiple screw.
Wherein in an embodiment, the inside of described fuselage is provided with the first position structure, the position that described in described upper Guan Zhongyu, the first position structure is corresponding is provided with the second position structure, and described upper pipe is positioned with described coordinating of second position structure by described first position structure.
Wherein in an embodiment, described first position structure is the positioning bar arranged vertically, and described second position structure is the positioning hole arranged vertically, and described positioning bar is through described positioning hole.
Wherein in an embodiment, in described 3rd limit stoper, the position corresponding with described positioning bar is provided with guide groove, and described lower pipe moves along described positioning bar by described guide groove.
Wherein in an embodiment, the madial wall of described upper pipe is provided with the first guide structure vertically, in described 3rd limit stoper, the position corresponding with described first guide structure is provided with the second guide structure vertically, and described lower pipe moves along described first guide structure by described second guide structure.
Wherein in an embodiment, described first guide structure is guide rail, and described second guide structure is guide groove, and described guide rail matches with described guide groove.
Wherein in an embodiment, described lower pipe is solid construction.
Beneficial effect of the present invention is as follows:
Lifting electric fan of the present invention, overturn the structure that conventional elevator tube is up-thin-low-thick, adopt the fall way of upper coarse and lower fine structure, thicker upper pipe is arranged on fuselage interior simultaneously, adds the compactedness of structure, make the structure of complete machine more firm, center of gravity is more concentrated, only by the flexible adjustment that can complete height in the upper pipe of fuselage interior of lower pipe, the skew of center of gravity in adjustment process need be effectively prevent, reduces the noise caused because fuselage rocks in use.
Accompanying drawing explanation
Fig. 1 is the structural representation of fall way one embodiment in lifting electric fan of the present invention;
Fig. 2 is the explosive view of fall way one embodiment in lifting electric fan of the present invention;
Fig. 3 is the structural representation of upper pipe one embodiment in lifting electric fan of the present invention;
Fig. 4 is the sectional view of lifting electric fan middle machine body of the present invention and fall way one embodiment;
Fig. 5 is the sectional view of lifting electric fan middle machine body of the present invention and another embodiment of fall way;
Fig. 6 is the structural representation of upper another embodiment of pipe in lifting electric fan of the present invention.
Embodiment
The present invention is described in detail below in conjunction with embodiment.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
See Fig. 1 to Fig. 6, the invention provides a kind of lifting electric fan, this lifting electric fan comprises fall way 100 and fuselage 200.Fall way 100, for regulating the height of electric fan, comprises pipe 110 and lower pipe 120; Wherein, upper pipe 110 is fixedly mounted on the inside of fuselage 200, and the internal diameter of upper pipe 110 is greater than the external diameter of lower pipe 120, and one end of lower pipe 120 is sleeved in pipe 110, and lower pipe 120 can in upper pipe 110 fore and aft motion.
In addition, fall way 100 of the present invention is also provided with locking device 160, as depicted in figs. 1 and 2, locking device 160 is arranged on the lower end of pipe 110.When lifting electric fan needs highly to regulate, only need loosen locking device 160, then the lower collapsing length of pipe 120 in upper pipe 110 of adjustment, locks locking device 160 after adjustment, and then is fixed by lower pipe 120.It should be noted that, locking device 160 of the present invention can adopt the locking device of any appropriate in prior art.
Compared with traditional lifting electric fan, the upper pipe 110 of lifting electric fan of the present invention is comparatively thick, and lower pipe 120 is thinner, and thicker upper pipe 110 is fixedly mounted on fuselage 200 inside not to be exposed, thus add the compactedness of structure, make outward appearance more succinct, center of gravity is more concentrated; Simultaneously, upper pipe 110 has reinforing function for fuselage 200, further increase integrally-built steadiness, when adjusting height, can be considered that lower pipe 120 stretches in fuselage 200 to regulate, effectively prevent the skew of center of gravity in adjustment process, reduce the noise caused because fuselage 200 rocks.
As depicted in figs. 1 and 2, the first end (upper end) of upper pipe 110 is provided with the first limit stoper 130, second end (lower end) of upper pipe 110 is provided with the second limit stoper 140, on lower pipe 120, the one end be sleeved in pipe 110 is provided with the 3rd limit stoper 150, and the 3rd limit stoper 150 can offset with the first limit stoper 130 and the second limit stoper 140 respectively.When needs are by when highly turning down, lower pipe 120 moves upward, and carries out contractile motion, now, lower pipe 120 increases gradually with the length of overlapped part of upper pipe 110, when highly reaching desired location, stops the contractile motion of lower pipe 120, locking device 160 is utilized to be fixed by lower pipe 120, wherein, when pipe 120 is retracted at utmost instantly, the 3rd limit stoper 150 and the first limit stoper 130 offset, thus limit the further contraction of lower pipe 120, prevent lower pipe 120 through the upper end of upper pipe 110; When needs are by when highly heightening, lower pipe 120 moves downward, and carries out stretching motion, now, lower pipe 120 reduces gradually with the length of overlapped part of upper pipe 110, when highly reaching desired location, stops the stretching motion of lower pipe 120, locking device 160 is utilized to be fixed by lower pipe 120, wherein, when pipe 120 is elongated at utmost instantly, the 3rd limit stoper 150 and the second limit stoper 140 offset, thus limit the further elongation of lower pipe 120, prevent lower pipe 120 to depart from upper pipe 110.
Preferably, the first limit stoper 130, second limit stoper 140 and the 3rd limit stoper 150 are stop collar.Wherein, stop collar as the first limit stoper 130 is arranged on the madial wall of the first end of upper pipe 110, stop collar as the second limit stoper 140 is arranged on the madial wall of the second end of upper pipe 110, and the stop collar as the 3rd limit stoper 150 is arranged on the top of lower pipe 120.Instantly when pipe 120 is retracted at utmost, the stop collar as the first limit stoper 130 offsets with the stop collar as the 3rd limit stoper 150, and the continuation of the lower pipe 120 of restriction is shunk; Instantly when pipe 120 is elongated at utmost, the stop collar as the second limit stoper 140 offsets with the stop collar as the 3rd limit stoper 150, and the continuation of the lower pipe 120 of restriction is extended.Which assembling is simple, easily realizes, and the telescopic displacement that effectively can limit lower pipe 120 also can avoid the generation of pipe 110 and lower pipe 120 break-off, increases the using effect of lifting electric fan.
In other embodiments, the first limit stoper 130, second limit stoper 140 and the 3rd limit stoper 150 also can be limiting stopper or other limit position parts.
As a kind of embodiment, the mode that first limit stoper 130, second limit stoper 140 and the 3rd limit stoper 150 are connected by screw or buckle connects is arranged on upper pipe 110 or lower pipe 120, and the mode also by interference fit is arranged on upper pipe 110 or lower pipe 120.
Preferably, as shown in Figure 3, the first end of upper pipe 110 is also provided with error-proof structure 112, this error-proof structure 112 is for the assembling of auxiliary first limit stoper 130, prevent the generation of the first limit stoper 130 loading error phenomenon, improve assembling speed and assembly quality.
Continue see Fig. 3, as a kind of embodiment, the sidewall of upper pipe 110 is provided with multiple tapped hole 114, preferably, multiple tapped hole 114 is evenly distributed on the sidewall of pipe 110 vertically, and upper pipe 110 penetrates the perforate corresponding with multiple tapped hole on multiple tapped hole 114 and fuselage 200 or tapped hole accordingly by multiple screw and is fixedly installed to the inside of fuselage 200.Wherein, multiple tapped hole 114 can be formed by upper pipe self hole flanging tapping, is also formed by welding threaded piece.The mode that screw connects is installed simply, and for removably connecting, facilitates the repair and replacement of parts.
It should be noted that, the axis described in the present invention refers to the axis of fall way 100.
More preferably, as shown in Figure 4, the inside of fuselage 200 is provided with the first position structure 210, and position corresponding with the first position structure 210 in upper pipe 110 is provided with the second position structure 116, wherein, upper pipe 110 is positioned with the second coordinating of position structure 116 by the first position structure 210.In which, first position structure 210 and the second position structure 116 are that the assembling of upper pipe 110 in fuselage 200 provides direction, simultaneously after assembling, limit the displacement of pipe 110 in fuselage 200, thus add the integrally-built steadiness of lifting electric fan of the present invention.
More preferably, the first position structure 210 can be multiple, and multiple first position structure 210 is uniformly distributed circumferentially in the inside of described fuselage 200, and correspondingly, second position structure 116 corresponding with the first position structure 210 is also multiple.Which further increases the integrally-built steadiness of lifting electric fan of the present invention.
Continue see Fig. 4, as a kind of embodiment, the first position structure 210 is the positioning bar arranged vertically, and the second position structure 116 is the positioning hole arranged vertically, and positioning bar is through positioning hole.The mode which adopts positioning bar and positioning hole to match, by positioning bar is stuck in positioning hole place, prevents the relative movement between pipe 110 and fuselage 200, the location of pipe 100 in realization.
In addition, in other embodiments, the first position structure 210 also can be the locating slot arranged vertically, and correspondingly, the second position structure 116 is the positioning bar arranged vertically, realizes the location of going up pipe 110 by the cooperation of locating slot and positioning bar.
Continue see Fig. 4, preferably, when the first position structure 210 be the positioning bar, the second position structure 116 that arrange vertically is the positioning hole arranged vertically, guide groove can be set in the 3rd limit stoper 150 simultaneously, wherein, the setting position of guide groove is corresponding with positioning bar (the first position structure 210), and when carrying out lift adjustment, lower pipe 120 is mobile along positioning bar (the first position structure 210) by guide groove.In which, first position structure 210 has not only played the effect of location, also serve the effect of spline, guiding simultaneously, when highly regulating, by coordinating of the first position structure 210 and guide groove, lower pipe 120 is moved along the first position structure 210, the relative circumferential movement between lower pipe 120 and upper pipe 110 can be prevented, effectively increase the stability of center of gravity in lift adjustment process.
See Fig. 5, as another kind of embodiment, the madial wall of upper pipe 110 is provided with vertically the first guide structure 118, correspondingly, position corresponding with the first guide structure 118 in 3rd limit stoper 150 is provided with the second guide structure 154, and lower pipe 120 moves along the first guide structure 118 by the second guide structure 154.In which, first guide structure 118 and the second guide structure 154 cooperatively interact, and when highly regulating, lower pipe 120 moves along the first guide structure 118, the relative circumferential movement between pipe 110 and lower pipe 120 can be prevented, serve the effect of spline, guiding equally.It should be noted that, the first guide structure 118 can select design one or more according to the situation of fuselage; When the first guide structure 118 is multiple, the second guide structure 154 coordinated with it is also for multiple, and preferably, multiple first guide structure 118 is uniformly distributed circumferentially on the madial wall of upper pipe 110.
Preferably, as shown in Figure 5 and Figure 6, the first guide structure 118 is guide rail, and the second guide structure 154 is guide groove, and this guide rail matches with this guide groove.When highly regulating, lower pipe 120 is moved along guide rail by guide groove, thus effectively prevent circumferential displacement, adds the steadiness of structure.
See Fig. 5 and Fig. 6, the guide rail as the first guide structure 118 can be formed by the flange of the axial aperture in upper pipe 110, and which avoids the introducing of other materials, reduces cost.As shown in Figure 6, the two ends of perforate are also provided with reserved crack arrest groove 119 (i.e. region without turn-ups), ftracture to prevent the two ends of perforate.
It should be noted that, in other embodiments, the first guide structure 118 can be the guide groove arranged vertically, the second guide structure 154 also can be arrange vertically lead muscle, lead muscle and guide groove cooperatively interacts.
As preferably, in the present invention, lower pipe 120 is solid construction.Compared with conventional elevator tube, adopt the lower pipe 120 of solid construction that lifting electric fan of the present invention can be made more firm, effectively prevent rocking at lift adjustment process middle machine body 200.
Lifting electric fan of the present invention, adopt the structure of upper coarse and lower fine fall way 100, thicker upper pipe 110 be arranged on fuselage 200 inside simultaneously and do not expose, add the compactedness of structure, and upper pipe 110 pairs of machine 200 bodies have reinforing function, make the structure of complete machine more firm, center of gravity is more concentrated, in use only need by the flexible adjustment that can complete height in the upper pipe 110 of fuselage 200 inside of lower pipe 120, effectively prevent the skew of center of gravity in adjustment process, reduce the noise caused because fuselage 200 rocks.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a lifting electric fan, comprise fuselage (200) and fall way (100), described fall way (100) comprises pipe (110) and lower pipe (120), it is characterized in that, described upper pipe (110) is fixedly mounted on the inside of described fuselage (200), the internal diameter of described upper pipe (110) is greater than the external diameter of described lower pipe (120), one end of described lower pipe (120) is sleeved in described upper pipe (110), and described lower pipe (120) can manage fore and aft motion in (110) on described.
2. lifting electric fan according to claim 1, it is characterized in that, the first end of described upper pipe (110) is provided with the first limit stoper (130), and the second end of described upper pipe (110) is provided with the second limit stoper (140);
On described lower pipe (120), the one end be sleeved in described upper pipe (110) is provided with the 3rd limit stoper (150), and described 3rd limit stoper (150) can offset with described first limit stoper (130) and described second limit stoper (140) respectively.
3. lifting electric fan according to claim 2, is characterized in that, described first limit stoper (130), described second limit stoper (140) and described 3rd limit stoper (150) are stop collar.
4. lifting electric fan according to claim 1, it is characterized in that, the sidewall of described upper pipe (110) is provided with multiple tapped hole (114), and described upper pipe (110) is fixedly mounted on the inside of described fuselage (200) by multiple screw.
5. lifting electric fan according to claim 2, it is characterized in that, the inside of described fuselage (200) is provided with the first position structure (210), position corresponding with described first position structure (210) in described upper pipe (110) is provided with the second position structure (116), and described upper pipe (110) is positioned with described coordinating of second position structure (116) by described first position structure (210).
6. lifting electric fan according to claim 5, it is characterized in that, described first position structure (210) is the positioning bar arranged vertically, and described second position structure (116) is the positioning hole arranged vertically, and described positioning bar is through described positioning hole.
7. lifting electric fan according to claim 6, it is characterized in that, in described 3rd limit stoper (150), the position corresponding with described positioning bar is provided with guide groove, and described lower pipe (120) is moved along described positioning bar by described guide groove.
8. lifting electric fan according to claim 2, it is characterized in that, the madial wall of described upper pipe (110) is provided with the first guide structure (118) vertically, in described 3rd limit stoper (150), the position corresponding with described first guide structure (118) is provided with the second guide structure (154) vertically, and described lower pipe (120) is mobile along described first guide structure (118) by described second guide structure (154).
9. lifting electric fan according to claim 8, is characterized in that, described first guide structure (118) is guide rail, and described second guide structure (154) is guide groove, and described guide rail matches with described guide groove.
10. the lifting electric fan according to any one of claim 1 ~ 9, is characterized in that, described lower pipe (120) is solid construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080090.4A CN104696259B (en) | 2015-02-13 | 2015-02-13 | Lifting electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080090.4A CN104696259B (en) | 2015-02-13 | 2015-02-13 | Lifting electric fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104696259A true CN104696259A (en) | 2015-06-10 |
| CN104696259B CN104696259B (en) | 2017-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510080090.4A Active CN104696259B (en) | 2015-02-13 | 2015-02-13 | Lifting electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696259B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801684A (en) * | 2017-03-21 | 2017-06-06 | 莱克电气股份有限公司 | A kind of lowering or hoisting gear and the fan using the lowering or hoisting gear |
| CN112932532A (en) * | 2021-01-25 | 2021-06-11 | 四川省人民医院 | Intracardiac treatment and diagnosis ultrasonic equipment |
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| 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 |
| CN203717400U (en) * | 2013-11-19 | 2014-07-16 | 广东美的环境电器制造有限公司 | Electric 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 |
| CN204493252U (en) * | 2015-02-13 | 2015-07-22 | 珠海格力电器股份有限公司 | Lifting electric fan |
-
2015
- 2015-02-13 CN CN201510080090.4A patent/CN104696259B/en active Active
Patent Citations (5)
| 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 |
| CN203717400U (en) * | 2013-11-19 | 2014-07-16 | 广东美的环境电器制造有限公司 | Electric 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 |
| CN204493252U (en) * | 2015-02-13 | 2015-07-22 | 珠海格力电器股份有限公司 | Lifting electric fan |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801684A (en) * | 2017-03-21 | 2017-06-06 | 莱克电气股份有限公司 | A kind of lowering or hoisting gear and the fan using the lowering or hoisting gear |
| CN106801684B (en) * | 2017-03-21 | 2023-05-26 | 莱克电气股份有限公司 | Lifting device and fan using same |
| CN112932532A (en) * | 2021-01-25 | 2021-06-11 | 四川省人民医院 | Intracardiac treatment and diagnosis ultrasonic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104696259B (en) | 2017-12-01 |
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