CN102678588A - Electric fan - Google Patents
Electric fan Download PDFInfo
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- CN102678588A CN102678588A CN2012101780938A CN201210178093A CN102678588A CN 102678588 A CN102678588 A CN 102678588A CN 2012101780938 A CN2012101780938 A CN 2012101780938A CN 201210178093 A CN201210178093 A CN 201210178093A CN 102678588 A CN102678588 A CN 102678588A
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- fulcrum
- electric fan
- wind wheel
- motor
- housing
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Abstract
The invention relates to an electric fan which comprises a shell, a motor and a cylindrical wind wheel, wherein the side wall of the shell is provided with an air vent, the air vent is provided with a detachable mesh, a bottom base and a top base are arranged in the shell, the motor is installed on the bottom base, the cylindrical wind wheel enters the shell through the air vent and is arranged in the shell, an upper support shaft and a lower support shaft are arranged at the centers of the two end faces of the wind wheel, and the lower support shaft is in axial butt joint with an output shaft of the motor. The electric fan is characterized in that a universal bearing is arranged on the top base and the upper support shaft passes through the universal bearing and can slide freely along the axial direction of the upper support shaft. The electric fan has the following advantages: the wind wheel arranged in the fan body can be detached to be cleaned and maintained without the need of detaching the whole shell; and the structure is simple and practical.
Description
(1) technical field
The present invention relates to a kind of electric fan.
(2) background technique
Dust in the upright post type electric fan runtime environment commonly used can be with in the air inhalation machine; Inner components such as the wind wheel behind the long-play in the electric fan have all been adsorbed dust and dirt; They can cause harmful effect to the operation of fan; Especially in the kitchen or the relatively poor place of other environment use for a long time, a large amount of dusts and dirt not only influence the proper functioning of running gear, also cause the too high and accident of burning of drive motor temperature rise easily.Drop on the wind wheel for reducing dust and dirt entering fan body inside; There is part upright post type fan outside the net grid of the fine and close ventilated port of housing, to add a dust-separation filter screen and removable net grid that compress filter screen at present; But the dust-separation filter screen can not be isolated fully with dust, and foregoing problems still exists after the dust and dirt in the fan body accumulates to a certain degree.For guaranteeing that fan continues normal operation; Must clean maintenance to the wind wheel that is installed in enclosure interior; And the wind wheel of existing upright post type electric fan is fixed in the housing, and wanting to dismantle wind wheel just need be with the casing complete removal, and this brings very burden when operating for the general user.
(3) summary of the invention
For addressing the above problem, it is the electric fan that detachable wind wheel cleans that the present invention provides a kind of complete machine of need not taking apart, practical and convenient and safety.
For this reason, the present invention adopts following scheme to achieve the above object:
A kind of electric fan has: its sidewall is provided with the housing of ventilated port, and ventilated port is provided with dismountable net grid, and enclosure interior is provided with pedestal and footstock; Be installed in the motor on the said pedestal; Be cylindrical shape, get into and be arranged in the housing through said ventilated port that its both ends of the surface center is provided with the wind wheel of fulcrum and following fulcrum, fulcrum axially docks with the output shaft of said motor under it; It is characterized in that: said footstock is provided with a universal bearing, and last fulcrum is located in also can axially being free to slide along last fulcrum in the universal bearing.
Above-mentioned a kind of electric fan is characterized in that: said down fulcrum is provided with axial hole the output sleeve of motor is located at wherein, output sleeve be located at length in the through hole less than the said fulcrum of going up in universal bearing distance slidably.
Above-mentioned a kind of electric fan is characterized in that: said down fulcrum be provided with one run through its sidewall tapped hole, have a bolt to cooperate afterwards its end to withstand said output shaft with tapped hole.
Above-mentioned a kind of electric fan is characterized in that: ventilated port is divided into can form cross-ventilated intake grill and exhaust outlet, is provided with dismountable net grid at said intake grill, and said wind wheel gets into and is arranged in the housing through said intake grill.
Above-mentioned a kind of electric fan is characterized in that: said net grid one outside is provided with convexity, on said ventilated port sidewall, has been provided with the button mouth with protruding corresponding position, and convexity is stuck in the button mouth; Opposite side with the symmetrical net grid of said convexity is provided with circular hole, and the position corresponding with circular hole is provided with tapped hole on said ventilated port sidewall, has a screw to pass said circular hole and cooperates with tapped hole and will net grid and be fixed on the housing.
The invention has the advantages that: clean maintenance to being installed in the inner wind wheel of fan body, need casing all not disassembled just can wind wheel be disassembled and clean, structure be not only simple but also practical.
(4) description of drawings
Fig. 1 is an assembled state reference view of the present invention;
Fig. 2 is a decomposing state reference view of the present invention;
Fig. 3 reference view (for showing better) that is wind wheel when pedestal and footstock disassemble so rear case is hidden.
(5) embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
Embodiment one: a kind of electric fan of principal post formula; Has a columniform housing; Housing is divided into front case 11 and rear case 12; Front case 11 sidewalls are provided with exhaust outlet, and rear case 12 sidewalls are provided with intake grill 13, front case 11 and rear case 12 are fitted together form a containing space in the housing.Be provided with pedestal 14 and footstock 15 in the housing, said pedestal 14 is fixedly mounted on the front case 11 with footstock 15.Be provided with dismountable net grid 2 at intake grill 13, net grid 2 one outer periphery and be provided with several convexities 21, on said intake grill 13 sidewalls, be provided with button mouth 22 with convexity 21 corresponding positions, convexity 21 is stuck in detains in the mouth 22.Opposite side with said protruding 21 symmetrical net grid 2 is provided with circular hole 23, and on said intake grill 13 sidewalls, is provided with tapped hole with circular hole 23 corresponding positions, has a screw to pass said circular hole 23 and cooperates with tapped hole and will net grid 2 and be fixed on the housing.Have a motor 3 to be installed on the said pedestal 14, motor 3 is connected with control system with power supply.
Have one to be installed between said pedestal 14 and the footstock 15 for cylindrical shape, the wind wheel 4 that gets into and be arranged in the housing through said intake grill 13.The both ends of the surface center of wind wheel 4 is provided with fulcrum 41 and following fulcrum 42, and following fulcrum 42 axially docks with the output shaft 31 of said motor 3.Said footstock 15 is provided with a universal bearing 15-1, and last fulcrum 41 is located among the universal bearing 15-1 and can be along axially being free to slide of last fulcrum, and under the driving of motor 3, wind wheel 4 rotates and forms wind.
When needs disassemble wind wheel 4 when cleaning; Can dismantle the net grid 2 at intake grill 13 places earlier; The docking mechanism that unclamps down fulcrum 42 and the output shaft 31 of motor 3 is to let being connected of wind wheel 4 disengagings and output shaft 31; Because last fulcrum 41 is located among the universal bearing 15-1 of footstock 15; So can via intake grill 13 wind wheel 4 be disassembled carefully again axially firmly it being broken away from universal bearing 15-1 downwards along last fulcrum 41 behind the wind wheel 4 inclination several angles, reach the purpose that only needs dismounting net grid 2 just can easily wind wheel 4 be disassembled.
Embodiment two: a kind of electric fan of principal post formula; Has a columniform housing; Housing is divided into front case 11 and rear case 12; Front case 11 sidewalls are provided with exhaust outlet, and rear case 12 sidewalls are provided with intake grill 13, front case 11 and rear case 12 are fitted together form a containing space in the housing.Be provided with pedestal 14 and footstock 15 in the housing, said pedestal 14 is fixedly mounted on the front case 11 with footstock 15.Be provided with dismountable net grid 2 at intake grill 13, net grid 2 one outer periphery are provided with the convexity 21 of several projections, on said intake grill 13 sidewalls, are provided with button mouth 22, protruding 21 with convexity 21 corresponding positions and are stuck in the button mouth 22.Opposite side with said protruding 21 symmetrical net grid 2 is provided with circular hole 23, and on said intake grill 13 sidewalls, is provided with tapped hole with circular hole 23 corresponding positions, has a screw to pass said circular hole 23 and cooperates with tapped hole and will net grid 2 and be fixed on the housing.Have a motor 3 to be installed on the said pedestal 14, motor 3 is connected with control system with power supply.
Have one to be installed between said pedestal 14 and the footstock 15 for cylindrical shape, the wind wheel 4 that gets into and be arranged in the housing through said intake grill 13.The both ends of the surface center of wind wheel 4 is provided with fulcrum 41 and following fulcrum 42; The following fulcrum 42 of wind wheel 4 is provided with axial hole the output shaft 31 of motor 3 is set in wherein, output shaft 31 be set in length in the through hole less than the said fulcrum 41 of going up in universal bearing 15-1 distance slidably.The output shaft 31 of motor 3 is provided with recess; Following fulcrum 42 be provided with one run through its sidewall tapped hole 42-1, have a bolt cooperate with tapped hole 42-1 rearward end prop up said output shaft 31 recess so that wind wheel 4 unlikely wind wheel 4 axially on upwards break away from said output shaft 31 week.The sidewall that is employed in output shaft 31 simultaneously is provided with tapped hole 42-1 and also plays when dismounting wind wheel 4; Bolt is still stayed on the output shaft 31 with the convenient wind wheel 4 of installing, and is unlikely to can not find bolt or bolt and falls into other parts such as enclosure interior and power supply and contact the effect that causes the accident.Said footstock 15 is provided with a universal bearing 15-1, and last fulcrum 41 is located among the universal bearing 15-1 and can be along axially being free to slide of last fulcrum 41, and under the driving of motor 3, wind wheel 4 rotates and forms wind.
When needs disassemble wind wheel 4 when cleaning; Can dismantle the net grid 2 at intake grill 13 places earlier; Unclamp bolt to let wind wheel 4 break away from and being connected of output shaft 31; Because last fulcrum 41 is located among the universal bearing 15-1 of footstock 15, be set in earlier the distance of the length in the through hole, to let the output shaft 31 of motor 3 break away from fully in the through hole of fulcrum 42 down along the output shaft 31 at least of endwisely slipping of wind wheel 4.With axially firmly it being broken away from universal bearing 15-1 downwards along last fulcrum 41 behind the wind wheel 4 inclination several angles, via intake grill 13 wind wheel 4 is disassembled carefully more then, reach the purpose that only needs dismounting net grid 2 just can easily wind wheel 4 be disassembled.
Be necessary to be pointed out that at this above mode of execution only is used for the present invention is further specified; Can not be interpreted as the restriction to protection domain of the present invention, the those of ordinary skill in this field can essence according to the present invention be made some nonessential improvement and adjustment to above mode of execution.
Claims (5)
1. electric fan has:
Housing, its sidewall is provided with ventilated port, and enclosure interior is provided with pedestal and footstock;
Motor is installed on the said pedestal;
Wind wheel is cylindrical shape, gets into and is arranged in the housing through said ventilated port, and its both ends of the surface center is provided with fulcrum and following fulcrum, and following fulcrum axially docks with the output shaft of said motor;
It is characterized in that: said footstock is provided with a universal bearing, and last fulcrum is located in also can axially being free to slide along last fulcrum in the universal bearing.
2. a kind of electric fan according to claim 1 is characterized in that: said down fulcrum is provided with axial hole the output sleeve of motor is located at wherein, output sleeve be located at length in the through hole less than the said fulcrum of going up in universal bearing distance slidably.
3. a kind of electric fan according to claim 2 is characterized in that: said down fulcrum be provided with one run through its sidewall tapped hole, have a bolt to cooperate afterwards its end to withstand said output shaft with tapped hole.
4. according to the arbitrary described a kind of electric fan of claim 1 to 3; It is characterized in that: ventilated port is divided into can form cross-ventilated intake grill and exhaust outlet; Be provided with dismountable net grid at said intake grill, said wind wheel gets into and is arranged in the housing through said intake grill.
5. a kind of electric fan according to claim 4 is characterized in that: said net grid one outside is provided with convexity, on said ventilated port sidewall, is provided with the button mouth with protruding corresponding position, and convexity is stuck in the button mouth; Opposite side with the symmetrical net grid of said convexity is provided with circular hole, and the position corresponding with circular hole is provided with tapped hole on said ventilated port sidewall, has a screw to pass said circular hole and cooperates with tapped hole and will net grid and be fixed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101780938A CN102678588A (en) | 2012-05-31 | 2012-05-31 | Electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101780938A CN102678588A (en) | 2012-05-31 | 2012-05-31 | Electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102678588A true CN102678588A (en) | 2012-09-19 |
Family
ID=46810987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101780938A Pending CN102678588A (en) | 2012-05-31 | 2012-05-31 | Electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102678588A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952670A (en) * | 2016-04-29 | 2016-09-21 | 广东美的环境电器制造有限公司 | Tower fan |
| CN109026848A (en) * | 2018-09-17 | 2018-12-18 | 珠海格力电器股份有限公司 | Cooling fan with wind wheel convenient to disassemble and assemble and disassembling and washing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548821A (en) * | 2003-05-15 | 2004-11-24 | 珠海格力电器股份有限公司 | Air conditioner |
| CN2839663Y (en) * | 2005-10-25 | 2006-11-22 | 福星家庭用品有限公司 | Large building fan |
| CN2888137Y (en) * | 2004-10-29 | 2007-04-11 | 拉斯科控股公司 | Vertical tower fan |
| CN202811411U (en) * | 2012-05-31 | 2013-03-20 | 中山市家用电器总厂有限公司 | Electric fan |
-
2012
- 2012-05-31 CN CN2012101780938A patent/CN102678588A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548821A (en) * | 2003-05-15 | 2004-11-24 | 珠海格力电器股份有限公司 | Air conditioner |
| CN2888137Y (en) * | 2004-10-29 | 2007-04-11 | 拉斯科控股公司 | Vertical tower fan |
| CN2839663Y (en) * | 2005-10-25 | 2006-11-22 | 福星家庭用品有限公司 | Large building fan |
| CN202811411U (en) * | 2012-05-31 | 2013-03-20 | 中山市家用电器总厂有限公司 | Electric fan |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952670A (en) * | 2016-04-29 | 2016-09-21 | 广东美的环境电器制造有限公司 | Tower fan |
| CN109026848A (en) * | 2018-09-17 | 2018-12-18 | 珠海格力电器股份有限公司 | Cooling fan with wind wheel convenient to disassemble and assemble and disassembling and washing method thereof |
| CN109026848B (en) * | 2018-09-17 | 2024-03-26 | 珠海格力电器股份有限公司 | Cooling fan convenient for dismounting wind wheel and dismounting and washing method thereof |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |