CN202811411U - Electric fan - Google Patents
Electric fan Download PDFInfo
- Publication number
- CN202811411U CN202811411U CN 201220255492 CN201220255492U CN202811411U CN 202811411 U CN202811411 U CN 202811411U CN 201220255492 CN201220255492 CN 201220255492 CN 201220255492 U CN201220255492 U CN 201220255492U CN 202811411 U CN202811411 U CN 202811411U
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- CN
- China
- Prior art keywords
- wind wheel
- electric fan
- fulcrum
- housing
- motor
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an electric fan which is provided with a shell, a motor and a wind wheel, wherein a ventilation opening is arranged on the side wall of the shell, the shell is internally provided with a base and a top seat, the motor is installed on the base, the wind wheel is cylindrical and is placed in the shell through the ventilation opening, an upper support shaft and a lower support shaft are arranged in the centers of two end faces of the wind wheel, the lower support shaft is abutted against an output shaft of the motor axially, a universal bearing is arranged on the top seat, and the upper support shaft is arranged in the universal bearing in a penetrating way and can slide freely along the axial direction of the upper support shaft. The electric fan has the advantages that the wind wheel in a fan body can be cleaned and maintained, the wind wheel can be dismounted to be cleaned without dismounting all the machine shell, and the structure of the electric fan is both simple and practical.
Description
(1) technical field
The utility model relates to a kind of electric fan.
(2) background technique
Dust in the column type electric fan runtime environment commonly used can be with in the air intake machine, the 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 affect the normal operation of running gear, also cause easily the too high and accident of burning of drive motor temperature rise.Enter fan body inside and drop on the wind wheel for reducing dust and dirt, there is at present the part vertical-column-type fan outside the net grid of the ventilated port of housing densification, to add a dust-separation filter screen and removable net grid that compress filter screen, but the dust-separation filter screen can not be fully isolated 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 column type electric fan is fixed in the housing, and wanting to dismantle wind wheel just need to 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 utility model provides a kind of complete machine of need not taking apart, practical and convenient and safety.
For this reason, the utility model adopts following scheme to achieve the above object:
A kind of electric fan has housing, motor and wind wheel, and its sidewall of described housing is provided with ventilated port, and ventilated port is provided with dismountable net grid, and enclosure interior is provided with pedestal and footstock; Described motor is installed on the described pedestal; Described wind wheel is cylindrical shape, enters and is arranged in the housing through described ventilated port, and its both ends of the surface center is provided with fulcrum and lower fulcrum, and lower fulcrum axially docks with the output shaft of described motor; It is characterized in that: described footstock is provided with a universal bearing, and upper fulcrum is located in also can axially being free to slide along upper fulcrum in the universal bearing.
Above-mentioned a kind of electric fan is characterized in that: described lower 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 described upper fulcrum in universal bearing distance slidably.
Above-mentioned a kind of electric fan is characterized in that: described lower fulcrum is provided with a tapped hole that runs through its sidewall, have a bolt to cooperate with tapped hole after its end withstand described output shaft.
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 described intake grill, and described wind wheel enters and is arranged in the housing through described intake grill.
Above-mentioned a kind of electric fan is characterized in that: described net grid one outside is provided with projection, and the position corresponding with projection has been provided with the button mouth on described ventilated port sidewall, and projection is stuck in the button mouth; Opposite side with the symmetrical net grid of described projection is provided with circular hole, and the position corresponding with circular hole is provided with tapped hole on described ventilated port sidewall, has a screw to pass described circular hole and cooperates with tapped hole the net grid are fixed on the housing.
The utility model has the advantage of: the wind wheel that is installed in fan body inside is cleaned maintenance, do not need casing all disassembled just wind wheel to be disassembled to clean, structure is not only simple but also practical.
(4) description of drawings
Fig. 1 is the utility model assembled state reference view;
Fig. 2 is the utility model decomposing state reference view;
Fig. 3 reference view (so rear case being hidden for showing better) when to be wind wheel from pedestal and footstock disassemble.
(5) embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
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, rear case 12 sidewalls are provided with intake grill 13, and front case 11 and rear case 12 are fitted together containing space of formation in the housing.Be provided with pedestal 14 and footstock 15 in the housing, described pedestal 14 and footstock 15 are fixedly mounted on the front case 11.Be provided with dismountable net grid 2 at intake grill 13, net grid 2 one outer periphery are provided with several projections 21, and the position corresponding with protruding 21 is provided with button mouth 22 on described intake grill 13 sidewalls, and projection 21 is stuck in the button mouth 22.Opposite side with described protruding 21 symmetrical net grid 2 is provided with circular hole 23, and the position corresponding with circular hole 23 is provided with tapped hole on described intake grill 13 sidewalls, has a screw to pass described circular hole 23 and cooperates with tapped hole net grid 2 are fixed on the housing.Have a motor 3 to be installed on the described pedestal 14, motor 3 is connected with control system with power supply.
Have one to be installed between described pedestal 14 and the footstock 15 for cylindrical shape, the wind wheel 4 that enters and be arranged in the housing through described intake grill 13.The both ends of the surface center of wind wheel 4 is provided with fulcrum 41 and lower fulcrum 42, and lower fulcrum 42 axially docks with the output shaft 31 of described motor 3.Described footstock 15 is provided with a universal bearing 15-1, and upper fulcrum 41 is located among the universal bearing 15-1 and can be along axially being free to slide of upper 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 first the net grid 2 at intake grill 13 places, the docking mechanism that unclamps lower fulcrum 42 and the output shaft 31 of motor 3 is to allow wind wheel 4 break away from and being connected of output shaft 31, because upper fulcrum 41 is located among the universal bearing 15-1 of footstock 15, so can will axially firmly it be broken away from universal bearing 15-1 downwards along upper fulcrum 41 behind the wind wheel 4 inclination several angles, via intake grill 13 wind wheel 4 is disassembled carefully again, 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, rear case 12 sidewalls are provided with intake grill 13, and front case 11 and rear case 12 are fitted together containing space of formation in the housing.Be provided with pedestal 14 and footstock 15 in the housing, described pedestal 14 and footstock 15 are fixedly mounted on the front case 11.Be provided with dismountable net grid 2 at intake grill 13, net grid 2 one outer periphery are provided with the projection 21 of several projections, and the position corresponding with protruding 21 is provided with button mouth 22 on described intake grill 13 sidewalls, and projection 21 is stuck in the button mouth 22.Opposite side with described protruding 21 symmetrical net grid 2 is provided with circular hole 23, and the position corresponding with circular hole 23 is provided with tapped hole on described intake grill 13 sidewalls, has a screw to pass described circular hole 23 and cooperates with tapped hole net grid 2 are fixed on the housing.Have a motor 3 to be installed on the described pedestal 14, motor 3 is connected with control system with power supply.
Have one to be installed between described pedestal 14 and the footstock 15 for cylindrical shape, the wind wheel 4 that enters and be arranged in the housing through described intake grill 13.The both ends of the surface center of wind wheel 4 is provided with fulcrum 41 and lower fulcrum 42, the lower 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 described upper fulcrum 41 in universal bearing 15-1 distance slidably.The output shaft 31 of motor 3 is provided with recess, lower fulcrum 42 is provided with a tapped hole 42-1 who runs through its sidewall, have a bolt cooperate with tapped hole 42-1 rearward end prop up described output shaft 31 recess so that wind wheel 4 unlikely wind wheel 4 axially on and upwards break away from described output shaft 31 week.Adopting simultaneously sidewall at output shaft 31 that tapped hole 42-1 is set 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.Described footstock 15 is provided with a universal bearing 15-1, and upper fulcrum 41 is located among the universal bearing 15-1 and can be along axially being free to slide of upper 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 first the net grid 2 at intake grill 13 places, unclamp bolt to allow wind wheel 4 break away from and being connected of output shaft 31, because upper fulcrum 41 is located among the universal bearing 15-1 of footstock 15, be set in first the distance of the length in the through hole along the output shaft 31 at least of endwisely slipping of wind wheel 4, to allow the output shaft 31 of motor 3 break away from fully in the through hole of lower fulcrum 42.Then with axially firmly it being broken away from universal bearing 15-1 downwards along upper fulcrum 41 behind the wind wheel 4 inclination several angles, via intake grill 13 wind wheel 4 is disassembled carefully again, 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 utility model is further specified; can not be interpreted as the restriction to the utility model protection domain, the those of ordinary skill in this field can be made some nonessential improvement and adjustment to above mode of execution according to essence of the present utility model.
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 described pedestal;
Wind wheel is cylindrical shape, enters and is arranged in the housing through described ventilated port, and its both ends of the surface center is provided with fulcrum and lower fulcrum, and lower fulcrum axially docks with the output shaft of described motor;
It is characterized in that: described footstock is provided with a universal bearing, and upper fulcrum is located in also can axially being free to slide along upper fulcrum in the universal bearing.
2. a kind of electric fan according to claim 1 is characterized in that: described lower 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 described upper fulcrum in universal bearing distance slidably.
3. a kind of electric fan according to claim 2 is characterized in that: described lower fulcrum is provided with a tapped hole that runs through its sidewall, have a bolt to cooperate with tapped hole after its end withstand described output shaft.
4. according to claim 1 to 3 arbitrary described a kind of electric fans, 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 described intake grill, described wind wheel enters and is arranged in the housing through described intake grill.
5. a kind of electric fan according to claim 4, it is characterized in that: described net grid one outside is provided with projection, and the position corresponding with projection is provided with button mouthful on described ventilated port sidewall, and projection is stuck in the button mouth; Opposite side with the symmetrical net grid of described projection is provided with circular hole, and the position corresponding with circular hole is provided with tapped hole on described ventilated port sidewall, has a screw to pass described circular hole and cooperates with tapped hole the net grid are fixed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255492 CN202811411U (en) | 2012-05-31 | 2012-05-31 | Electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255492 CN202811411U (en) | 2012-05-31 | 2012-05-31 | Electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811411U true CN202811411U (en) | 2013-03-20 |
Family
ID=47870294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220255492 Expired - Lifetime CN202811411U (en) | 2012-05-31 | 2012-05-31 | Electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678588A (en) * | 2012-05-31 | 2012-09-19 | 中山市家用电器总厂有限公司 | Electric fan |
| CN109026848A (en) * | 2018-09-17 | 2018-12-18 | 珠海格力电器股份有限公司 | The cooling fan and its dismantling cleaning method of easy disassembly wind wheel |
-
2012
- 2012-05-31 CN CN 201220255492 patent/CN202811411U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678588A (en) * | 2012-05-31 | 2012-09-19 | 中山市家用电器总厂有限公司 | Electric fan |
| CN109026848A (en) * | 2018-09-17 | 2018-12-18 | 珠海格力电器股份有限公司 | The cooling fan and its dismantling cleaning method of easy disassembly wind wheel |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |