CN202946423U - Domestic centrifugal electric fan - Google Patents
Domestic centrifugal electric fan Download PDFInfo
- Publication number
- CN202946423U CN202946423U CN 201220554498 CN201220554498U CN202946423U CN 202946423 U CN202946423 U CN 202946423U CN 201220554498 CN201220554498 CN 201220554498 CN 201220554498 U CN201220554498 U CN 201220554498U CN 202946423 U CN202946423 U CN 202946423U
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- Prior art keywords
- support
- exhaust outlet
- air
- head
- connecting rod
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Abstract
A domestic centrifugal electric fan includes a fan seat (10), a fan head (20), a fan component (30) and a head-swinging device (40). The fan head (20) is provided with a shell body (21) which is provided with an outer air outlet (210), and the fan component (30) includes a centrifugal fan (31) and a volute (32) which is provided with an inner air outlet (320). The head-swinging device (40) includes a synchronous motor (50), a crank (60), a connecting rod (70) and a connecting rod mounting column (71). The synchronous motor (50) rotates with the crank (60), and enables the connecting rod (70) to swing continuously to drive the connecting rod mounting column (71), so that the volute (32) swings reciprocately relative to the shell body (21), and the centrifugal fan (31) supplies air through the inner air outlet (320) to the outer air outlet (210), and the air can sweep within a wide angle. The centrifugal fan has the advantages of being high in air supply velocity, large in range and good in supply effect.
Description
Technical field
The utility model relates to air bells conditioner, relates in particular to domestic electric fan, and particularly to relate to blower fan be centrifugal and the electric fan of yaw function is arranged.
Background technique
The prior art domestic electric fan is all to adopt axial-flow blower basically, because its aial flow impeller air-supply has larger air quantity and blowing range.But there is the shortcoming that wind speed is low, air supplying distance is short in the aial flow impeller air-supply.
The model utility content
The technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of domestic electric fan that adopts centrifugal fan is provided, when the impeller of centrifugal fan is worked, wind speed is high, but the exhaust outlet area is little, blowing range is little, and the air channel must be arranged, and air channel out-of-shape.For these characteristics, the utility model centrifugal type electric fan enlarges blowing range by traditional shaking device, and outside centrifugal fan, housing is set when keeping high this advantage of receded disk impeller air supply velocity, irregular air-duct spiral case is stashed, blow effective.
The technological scheme that the utility model solve the technical problem employing is: a kind of household centrifugal electric fan is provided, comprises support and the head that is mounted thereon, especially:
Also comprise the fan assembly and the first shaking device that are arranged in the head cavity; Described head has cylindrical shell, and these housing both ends of the surface are heaved vertically outward, and the outer exhaust outlet of netted or lattice-shaped is set on the cylndrical surface of housing, and in described shell cavity, axial two end part arrange respectively two axle sleeves;
Described fan assembly comprises centrifugal blower and coaxially covers on the spiral case that this centrifugal blower is outside, be used as the air channel; The tangent direction at a place outstanding and opening outward on this air-duct spiral case cylndrical surface, form with described housing outside the interior exhaust outlet that adapts of exhaust outlet; The axial two end part of described air-duct spiral case are provided with stretches into the pivot that rotates in described two axle sleeves; Described centrifugal blower comprises again receded disk impeller and motor, and the wheel hub coaxial inner conductor of described receded disk impeller is set in the motor outer surface, and shaft axis ground is fixedly connected altogether to guarantee described receded disk impeller and motor rotating part;
Described the first shaking device comprises synchronous machine, crank, connecting rod and is arranged on described pivot or nearby and be parallel to the connecting rod erection column of this pivot, described synchronous machine is packed on described inner walls, be fixedly mounted with described crank on its output shaft, one end of this crank and described connecting rod is hinged, and the other end of described connecting rod and described connecting rod erection column are hinged; The output shaft of described synchronous machine rotates together with described crank, make connecting rod constantly swing and promote described connecting rod erection column, cause described air-duct spiral case centered by its two end pivoting axis with respect to described housing reciprocally swinging, 0～180 ° of scope of as many as, interior exhaust outlet during swing on described air-duct spiral case is positioned at the inboard of exhaust outlet outside described shell, and reciprocal relative displacement of exhaust outlet wide-angle intrados outside this, thereby can having wide-angle to sweep via described interior exhaust outlet to described outer exhaust outlet, the air-supply of described centrifugal blower strokes.
Described head be orthogonal to the spin axis of its inner blower assembly described support vertical direction central axis and be arranged on this support, described housing and support are affixed rotationally; Bottom is arranged at the bottom of described support, be provided with in this support described housing is back and forth shaken the head to the second shaking device of 0～180 ° of scope in the horizontal direction with respect to described support, this second shaking device described the first shaking device that duplicates is equally by the crank-rocker mechanism of synchronous machine drives.
Described head is with the central axes of the vertical direction of the spin axis of its inner blower assembly and described support and be arranged on this support, and the end face that described housing one is heaved outward connects with support; Described the first shaking device makes described air-duct spiral case axis centered by its two end pivoting shake the head with respect to described housing left and right, 0～180 ° of scope of as many as, interior exhaust outlet when shaking the head on described air-duct spiral case is positioned at the inboard of exhaust outlet outside described shell, and exhaust outlet wide-angle intrados left and right relative displacement outside this, thereby can having wide-angle to sweep via described interior exhaust outlet to described outer exhaust outlet, the air-supply of described centrifugal blower strokes.
The end face that described housing one is heaved outward connects with support, be central axis take the support vertical direction as reference axis, the ground of can nodding in a certain orientation at least, can back and forth change ground, the elevation angle affixed; Bottom is arranged at the bottom of described support, be provided with in this support and make described housing back and forth change the 3rd shaking device at the elevation angle with respect to described support on vertical plane, the 3rd shaking device described the first shaking device that duplicates is equally by the crank-rocker mechanism of synchronous machine drives.
The outer exhaust outlet of netted or lattice-shaped is set on the cylndrical surface of described housing, need only arranges on the cylndrical surface of 0～180 ° of scope, second half cylndrical surface sealing of described housing.
Control, the Show Button are set on described support.
Described air-duct spiral case comprises end cap.
Compare with prior art, the beneficial effect of the utility model centrifugal cutter is:
1, adopt centrifugal blower, air supply velocity is high;
2, shaking device is set, has increased blowing range;
3, adopt the mode of interior yaw, shaking device and fan assembly are arranged in head shell, and outside centrifugal blower, air-duct spiral case is set, irregular air channel is stashed, blow effective.
Description of drawings
Fig. 1 is the axonometric projection structural representation of the utility model household centrifugal electric fan preferred embodiment one;
Fig. 2 is that described preferred embodiment one an orthographic projection left side is looked or cross-sectional view is looked on the right side;
Fig. 3 is the cross-sectional view when within described preferred embodiment one air-duct spiral case 32, exhaust outlet 320 rotations are to the top;
Fig. 4 is the cross-sectional view when within described preferred embodiment one air-duct spiral case 32, exhaust outlet 320 rotations are to the lower end;
Fig. 5 is fan assembly 30 and the first shaking device 40 axonometric projection structural representation when linking together;
Fig. 6 is fan assembly 30 and the first shaking device 40 other direction axonometric projection structural representation when linking together;
Fig. 7 is the decomposing state axonometric projection schematic diagram of fan assembly 30 and the first shaking device 40;
Fig. 8 is the axonometric projection structural representation of the utility model preferred embodiment two.
Embodiment
Below in conjunction with each accompanying drawing, content of the present utility model is described in further detail.
A kind of household centrifugal electric fan comprises support 10 and the head 20 that is mounted thereon,
Also comprise the fan assembly 30 and the first shaking device 40 that are arranged in head 20 cavitys; Described head 20 has cylindrical shell 21, and these housing 21 both ends of the surface are heaved vertically outward, and the outer exhaust outlet 210 of netted or lattice-shaped is set on the cylndrical surface of housing 21, and in described housing 21 cavitys, axial two end part arrange respectively two axle sleeve 211,211 ＇;
Described fan assembly 30 comprise centrifugal blower 31 and coaxially cover on this centrifugal blower 31 outsides, as the spiral case 32 in air channel; The tangent direction at a place outstanding and opening outward on this air-duct spiral case 32 cylndrical surface, form with described housing 21 outside the interior exhaust outlet 320 that adapts of exhaust outlet 210; The axial two end part of described air-duct spiral case 32 are provided with stretches into pivot 321,321 ＇ that rotate in described two axle sleeve 211,211 ＇; Described centrifugal blower 31 comprises again receded disk impeller 310 and motor 311, the wheel hub coaxial inner conductor of described receded disk impeller 310 is set in motor 311 outer surfaces, and shaft axis ground is fixedly connected altogether with motor 311 rotating parts to guarantee described receded disk impeller 310;
described the first shaking device 40 comprise synchronous machine 50, crank 60, connecting rod 70 and be arranged on described pivot 321 or 321 ＇ nearby and be parallel to the connecting rod erection column 71 of this pivot 321 or 321 ＇, described synchronous machine 50 is packed on described housing 21 inwalls, be fixedly mounted with described crank 60 on its output shaft, this crank 60 is hinged with an end of described connecting rod 70, and the other end of described connecting rod 70 and described connecting rod erection column 71 are hinged, the output shaft of described synchronous machine 50 rotates together with described crank 60, make connecting rod 70 constantly swing and promote described connecting rod erection column 71, cause described air-duct spiral case 32 with its two end pivoting 321, centered by 321 ＇, axis is with respect to described housing 21 reciprocally swingings, 0～180 ° of scope of as many as, interior exhaust outlet 320 during swing on described air-duct spiral case 32 is positioned at the inboard of exhaust outlet 210 outside described shell 21, and exhaust outlet 210 reciprocal relative displacements of wide-angle intrados outside this, thereby described centrifugal blower 31 air-supplies can have wide-angle to sweep via described interior exhaust outlet 320 to described outer exhaust outlet 210 strokes.
Described head 20 be orthogonal to the spin axis of its inner blower assembly 30 described support 10 vertical direction central axis and be arranged on this support 10, described housing 21 is affixed rotationally with support 10; Bottom 80 is arranged at the bottom of described support 10, be provided with in this support 10 described housing 21 is back and forth shaken the head to the second shaking device of 0～180 ° of scope in the horizontal direction with respect to described support 10, this second shaking device described the first shaking device 40 that duplicates is equally by the crank-rocker mechanism of synchronous machine drives.
Described head 20 is with the central axes of the vertical direction of the spin axis of its inner blower assembly 30 and described support 10 and be arranged on this support 10, and the end face that described housing 21 1 is heaved outward connects with support 10; Described the first shaking device 40 makes described air-duct spiral case 32 with its two end pivoting 321, centered by 321 ＇, axis is shaken the head with respect to described housing 21 left and right, 0～180 ° of scope of as many as, interior exhaust outlet 320 when shaking the head on described air-duct spiral case 32 is positioned at the inboard of exhaust outlet 210 outside described shell 21, and exhaust outlet 210 wide-angle intrados left and right relative displacements outside this, thereby can having wide-angle to sweep via described interior exhaust outlet 320 to described outer exhaust outlet 210,31 air-supplies of described centrifugal blower stroke.
The end face that described housing 21 1 is heaved outward connects with support 10, be central axis take support 10 vertical directions as reference axis, the ground of can nodding in a certain orientation at least, can back and forth change ground, the elevation angle affixed; Bottom 80 is arranged at the bottom of described support 10, be provided with in this support 10 and make described housing 21 back and forth change the 3rd shaking device at the elevation angle with respect to described support 10 on vertical plane, the 3rd shaking device described the first shaking device 40 that duplicates is equally by the crank-rocker mechanism of synchronous machine drives.
The outer exhaust outlet 210 of netted or lattice-shaped is set on the cylndrical surface of described housing 21, need only arranges on the cylndrical surface of 0～180 ° of scope, second half cylndrical surface sealing of described housing 21.
Control, the Show Button 90 are set on described support 10.
Described air-duct spiral case 32 comprises end cap 33.
Claims (7)
1. household centrifugal electric fan, the head (20) that comprises support (10) and be mounted thereon is characterized in that:
Also comprise the fan assembly (30) and the first shaking device (40) that are arranged in head (20) cavity; Described head (20) has cylindrical shell (21), this housing (21) both ends of the surface are heaved vertically outward, the outer exhaust outlet (210) of netted or lattice-shaped is set on the cylndrical surface of housing (21), and in described housing (21) cavity, axial two end part arrange respectively two axle sleeves (211,211 ＇);
Described fan assembly (30) comprises centrifugal blower (31) and coaxially covers on the spiral case (32) that this centrifugal blower (31) is outside, be used as the air channel; On this air-duct spiral case (32) cylndrical surface, the tangent direction at a place is given prominence to and opening outward, the interior exhaust outlet (320) that outside formation and described housing (21), exhaust outlet (210) adapts; Described air-duct spiral case (32) axially two end part is provided with the pivot (321,321 ＇) that stretches into rotation in described two axle sleeves (211,211 ＇); Described centrifugal blower (31) comprises again receded disk impeller (310) and motor (311), the wheel hub coaxial inner conductor of described receded disk impeller (310) is set in motor (311) outer surface, and shaft axis ground is fixedly connected altogether with motor (311) rotating part to guarantee described receded disk impeller (310);
described the first shaking device (40) comprise synchronous machine (50), crank (60), connecting rod (70) and be arranged on described pivot (321) or (321 ＇) nearby and be parallel to the connecting rod erection column (71) of this pivot (321) or (321 ＇), described synchronous machine (50) is packed on described housing (21) inwall, be fixedly mounted with described crank (60) on its output shaft, this crank (60) is hinged with an end of described connecting rod (70), and the other end of described connecting rod (70) and described connecting rod erection column (71) are hinged, the output shaft of described synchronous machine (50) rotates together with described crank (60), make connecting rod (70) constantly swing and promote described connecting rod erection column (71), cause described air-duct spiral case (32) with its two end pivoting (321, 321 ＇) centered by, axis is with respect to described housing (21) reciprocally swinging, 0～180 ° of scope of as many as, interior exhaust outlet (320) during swing on described air-duct spiral case (32) is positioned at the inboard of exhaust outlet (210) outside described shell (21), and reciprocal relative displacement of exhaust outlet (210) wide-angle intrados outside this, thereby described centrifugal blower (31) air-supply can have wide-angle to sweep via described interior exhaust outlet (320) to described outer exhaust outlet (210) strokes.
2. household centrifugal electric fan according to claim 1, it is characterized in that: described head (20) be orthogonal to the spin axis of its inner blower assembly (30) described support (10) vertical direction central axis and be arranged on this support (10), described housing (21) is affixed rotationally with support (10); Bottom (80) is arranged at the bottom of described support (10), be provided with in this support (10) described housing (21) is back and forth shaken the head to the second shaking device of 0～180 ° of scope in the horizontal direction with respect to described support (10), this second shaking device described the first shaking device (40) that duplicates is equally by the crank-rocker mechanism of synchronous machine drives.
3. household centrifugal electric fan according to claim 1, it is characterized in that: described head (20) is with the central axes of the vertical direction of the spin axis of its inner blower assembly (30) and described support (10) and be arranged on this support (10), and the end face that described housing (21) is heaved outward connects with support (10); Described the first shaking device (40) makes described air-duct spiral case (32) with its two end pivoting (321,321 ＇) centered by, axis is shaken the head with respect to about described housing (21), 0～180 ° of scope of as many as, interior exhaust outlet (320) when shaking the head on described air-duct spiral case (32) is positioned at the inboard of exhaust outlet (210) outside described shell (21), and exhaust outlet (210) wide-angle intrados left and right relative displacement outside this, thereby can having wide-angle to sweep via described interior exhaust outlet (320) to described outer exhaust outlet (210), described centrifugal blower (31) air-supply strokes.
4. household centrifugal electric fan according to claim 3, it is characterized in that: the end face that described housing (21) is heaved outward connects with support (10), be central axis take support (10) vertical direction as reference axis, the ground of can nodding in a certain orientation at least, can back and forth change ground, the elevation angle affixed; Bottom (80) is arranged at the bottom of described support (10), be provided with in this support (10) and make described housing (21) back and forth change the 3rd shaking device at the elevation angle with respect to described support (10) on vertical plane, the 3rd shaking device described the first shaking device (40) that duplicates is equally by the crank-rocker mechanism of synchronous machine drives.
5. household centrifugal electric fan according to claim 1, it is characterized in that: the outer exhaust outlet (210) that netted or lattice-shaped are set on the cylndrical surface of described housing (21), second half cylndrical surface sealing of described housing (21) need only be set on the cylndrical surface of 0～180 ° of scope.
6. household centrifugal electric fan according to claim 1, is characterized in that: control, the Show Button (90) are set on described support (10).
7. household centrifugal electric fan according to claim 1, it is characterized in that: described air-duct spiral case (32) comprises end cap (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554498 CN202946423U (en) | 2012-10-26 | 2012-10-26 | Domestic centrifugal electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554498 CN202946423U (en) | 2012-10-26 | 2012-10-26 | Domestic centrifugal electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946423U true CN202946423U (en) | 2013-05-22 |
Family
ID=48422129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220554498 Expired - Lifetime CN202946423U (en) | 2012-10-26 | 2012-10-26 | Domestic centrifugal electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088431A1 (en) * | 2015-11-23 | 2017-06-01 | 深圳市联创科技集团有限公司 | Centrifugal blower electric fan |
| CN114688054A (en) * | 2020-12-31 | 2022-07-01 | 广东美的环境电器制造有限公司 | Air supply device |
-
2012
- 2012-10-26 CN CN 201220554498 patent/CN202946423U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088431A1 (en) * | 2015-11-23 | 2017-06-01 | 深圳市联创科技集团有限公司 | Centrifugal blower electric fan |
| CN114688054A (en) * | 2020-12-31 | 2022-07-01 | 广东美的环境电器制造有限公司 | Air supply device |
| CN114688054B (en) * | 2020-12-31 | 2023-10-03 | 广东美的环境电器制造有限公司 | Air supply device |
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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 |
Granted publication date: 20130522 |
|
| CX01 | Expiry of patent term |