CN205315323U - Centrifugal fan electric fan - Google Patents
Centrifugal fan electric fan Download PDFInfo
- Publication number
- CN205315323U CN205315323U CN201520936033.7U CN201520936033U CN205315323U CN 205315323 U CN205315323 U CN 205315323U CN 201520936033 U CN201520936033 U CN 201520936033U CN 205315323 U CN205315323 U CN 205315323U
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- CN
- China
- Prior art keywords
- centrifugal blower
- fan
- protecting crust
- motor
- blower assembly
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
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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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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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 utility model provides a centrifugal fan electric fan, includes the fan body, stay tube and base, the stay tube connects the fan body and base for whole, and the fan body is including cylindrical protecting crust, centrifugal fan subassembly, fan fixed subassembly, motor and drive mechanism, the centrifugal fan subassembly includes spiral case and the wind wheel soft breeze turbin generator that is located the spiral case, the fixed subassembly of fan is rotationally installed the centrifugal fan subassembly in the protecting crust, and the air outlet of centrifugal fan subassembly towards the air -out grid of protecting crust lateral wall department and has the air inlet mesh on the side of the just right protecting crust of the air intake of centrifugal fan subassembly, the motor is fixed on the protecting crust another side, and this motor is connected with the centrifugal fan subassembly through drive mechanism, control circuit controls motor rotation to do with the help of drive mechanism drive centrifugal fan subassembly and rotate. The beneficial effects of the utility model are that: having kept advantages such as original centrifugal fan air -out is big, simultaneously, enlarged the air supply scope effectively, it is small.
Description
Technical field this utility model relates to the pumping installations ventilated, and working fluid is air, particularly relates to automatically change the pumping installations sending direction of air, particularly relates to centrifugal blower electric fan.
Background technology electric fan is a kind of widely used household electrical appliance, and current domestic electric fan adopts axial flow blower mostly. Axial flow flabellum air quantity is big, and blowing range is wide, but its volume is relatively big, and wind is violent, and noise is high, and flabellum is exposed, old children use less suitable for. Separately having a kind of tower to fan, it is to adopt centrifugal blower, and centrifugal wind wheel rotates in air channel in irregular shape high speed. This type of fan wind speed is high, but air outlet area is little, and blowing range is also less, but it is soft to blow, and noise is low, and its wind wheel is located in body, compared with the fan of axial flow blower, safer, and old children is all suitable.
Utility model content the technical problems to be solved in the utility model is in that to avoid above-mentioned the deficiencies in the prior art part to design a kind of centrifugal blower electric fan of production.
The present invention solves above-mentioned technical problem and the technical scheme proposed is a kind of centrifugal blower electric fan, including fan body, prop up stay tube and base, fan body and base are connected as entirety by described stay tube, and described fan body includes protecting crust, centrifugal blower assembly, blower fan fixation kit, motor and drive mechanism; Described stay tube is connected to below the sidewall of protecting crust; Described centrifugal blower assembly includes spiral case and is positioned at wind wheel and the wind wheel motor of spiral case; Centrifugal blower assembly is rotatably installed in protecting crust by described blower fan fixation kit, the air outlet of centrifugal blower assembly towards the air-out grid of protecting crust side-walls, with the air inlet of centrifugal blower assembly just to protecting crust side on be provided with air intake mesh; Described motor is fixed on the another side of protecting crust, and this motor is connected with centrifugal blower assembly through drive mechanism;The control circuit of described centrifugal blower electric fan controls motor rotation, and drives centrifugal blower assembly to rotate by drive mechanism.
Described blower fan fixation kit includes the rotation axle being arranged on described spiral case both sides, and intercalation is in the shaft hole of the two sides inwall of described protecting crust respectively for described rotation axle, so that described centrifugal blower assembly hangs between protecting crust two sides.
Described blower fan fixation kit includes the ring-shaped guide rail being arranged on the spiral case both sides of centrifugal blower assembly, and is arranged on two guide-track grooves adaptive with described ring-shaped guide rail in the sidewall of protecting crust; Described centrifugal blower assembly can rotate along rail groove in protecting crust by ring-shaped guide rail.
Described drive mechanism is crank and rocker mechanism, including connecting rod and crank; One end of described crank is fixed on motor rotary shaft, and the other end is connected with one end of described connecting rod rotationally, and the other end of this connecting rod is rotatably connected on the joint pin of spiral case side of centrifugal blower assembly.
Described drive mechanism is gear drive, including the driven pulley of the drivewheel in the rotating shaft being fixed on motor He the side of the spiral case being fixed on centrifugal blower assembly; Drivewheel engages with driven pulley.
It is also equipped with reducing the slip steel ball of frictional force between described ring-shaped guide rail and annular guide channel.
Compared with the existing technology relatively, the invention has the beneficial effects as follows: while maintaining the advantages such as original centrifugal blower air-out is big, effectively expanding blowing range, not only broken the appearance design of traditional stand fan, overall fan volume is also little than traditional stand fan.
Description of drawings 1 is the axonometric projection signal of centrifugal blower electric fan in this utility model each preferred embodiment of centrifugal blower electric fan;
Fig. 2 is the axonometric projection schematic diagram of each isolation of components state of centrifugal blower electric fan in described preferred embodiment one, and the enlarged diagram of shaft hole 62 of side 111, another side 112 inwall;
Fig. 3 is the axonometric projection schematic diagram of each isolation of components state of centrifugal blower assembly 5, blower fan fixer assembly 6, motor 7 and drive mechanism 8 in described preferred embodiment one;
Fig. 4 is the orthographic projection left view schematic diagram of the centrifugal blower electric fan of described preferred embodiment one;
Fig. 5 is the cross-sectional schematic in the A-A portion of Fig. 4;
Fig. 6 is the orthographic projection schematic rear view of the centrifugal blower electric fan of described preferred embodiment one, and in figure, arrow represents air intake direction;
Fig. 7 is the cross-sectional schematic in the B-B portion of Fig. 6, and in figure, arrow represents air-out direction;
Fig. 8 is the axonometric projection schematic diagram of each isolation of components state of centrifugal blower assembly 5, blower fan fixer assembly 6, motor 7 and drive mechanism 8 in described preferred embodiment two;
Fig. 9 is the axonometric projection schematic diagram of each isolation of components state of centrifugal blower electric fan in described preferred embodiment three;
Figure 10 is the axonometric projection schematic diagram of each isolation of components state of centrifugal blower assembly 5, blower fan fixer assembly 6, motor 7 and drive mechanism 8 in described preferred embodiment three;
The orthographic projection left view schematic diagram of the centrifugal blower electric fan of preferred embodiment three described in Figure 11;
Figure 12 is the cross-sectional schematic in the C-C portion of Figure 12, and ring-shaped guide rail 65 assembles enlarged diagram with guide-track groove 66;
Figure 13 is the axonometric projection schematic diagram of each isolation of components state of centrifugal blower assembly 5, blower fan fixer assembly 6, motor 7 and drive mechanism 8 in described preferred embodiment four.
Below detailed description of the invention, the present invention is expanded on further in conjunction with each accompanying drawing shownschematically each preferred embodiment.
Referring to Fig. 1 to 7, the preferred embodiment one of the present invention is design, manufactures a kind of centrifugal blower electric fan, including fan body 1, prop up stay tube 2 and base 3, fan body 1 and base 3 are connected as entirety by described stay tube 2, and described fan body 1 includes protecting crust 11, centrifugal blower assembly 5, blower fan fixation kit 6, motor 7 and drive mechanism 8;Described stay tube 2 is connected to below the sidewall 110 of protecting crust 11; Described centrifugal blower assembly 5 includes spiral case 50 and is positioned at wind wheel 51 and the wind wheel motor 52 of spiral case; Described blower fan fixation kit 6, namely the rotation axle 61 of described spiral case both sides it is arranged on, rotate axle 61 intercalation respectively in the shaft hole 62 of side 111,112 inwall of protecting crust 11, so that described centrifugal blower assembly hangs between protecting crust side 111,112, the air outlet 53 of centrifugal blower assembly 5 towards the air-out grid 1100 at protecting crust 11 sidewall 110 place, with the air inlet 54 of centrifugal blower assembly just to protecting crust 11 side 111 on be provided with air intake mesh 1110; Described motor 7 is fixed on the another side 112 of protecting crust 11; Described drive mechanism 8 is the crank and rocker mechanism including connecting rod 81 and crank 82; One end of described crank 82 is fixed in the rotating shaft of motor 7, and the other end is connected with one end of described connecting rod 81 rotationally, and the other end of this connecting rod 81 is rotatably connected on the joint pin 83 of the side of the spiral case 50 of centrifugal blower assembly 5.
When described centrifugal blower electric fan is energized, the wind wheel motor 52 of centrifugal blower assembly 5, motor 7 work. Wind wheel 51 under the drive of wind wheel motor 52, high speed rotating in spiral case 50, blow and blow out through the air outlet 53 of spiral case 50, via the air-out grid 1100 of protecting crust sidewall 110, air-supply is to fan body, shown in Fig. 7 dotted arrow obliquely. Now fan body 1 is inside and outside forms negative pressure, and new air is inhaled in body from the air inlet 1110 side 111 of cylindrical protective shell 11, and wind direction is referring in Fig. 6 shown in dotted arrow. Meanwhile, motor 7 rotating shaft drives the crank 82 of drive mechanism 8 to circle, and crank 82 imparts power to spiral case 50 by connecting rod 81, thus driving the centrifugal blower assembly 5 rotation axle 61 around its two ends to rotate. The angle rotated adjusts crank and rocker mechanism as required, and pivot angle scope can be 0～360 °, expands blowing range.
Referring to Fig. 1 and Fig. 8, the preferred embodiment two of the present invention, with embodiment one basic simlarity, its difference is in that in this example drive mechanism 8 and adopts geared machine, is namely fixed on the drivewheel 85 in the rotating shaft of motor 7 and the driven pulley 86 being fixed on the spiral case sidewall of centrifugal blower assembly 5; Drivewheel 85 engages with driven pulley 86. Motor 7 is energized work, and centrifugal blower assembly 5 rotation axle 61 around its two ends under gear drive rotates. The angle rotated sets the rotational angle of motor 7 as required.
Referring to Fig. 9 and Figure 12, the preferred embodiment three of the present invention, with embodiment two basic simlarity, its difference is in that blower fan fixation kit described in this example 6 is provided in the ring-shaped guide rail 65 of spiral case 50 both sides of centrifugal blower assembly 5, and is arranged on the guide-track groove 66 adaptive with described ring-shaped guide rail in the sidewall 110 of protecting crust 11; Described centrifugal blower assembly 5 can rotate along ring guide-track groove 66 in protecting crust 11 by ring-shaped guide rail 65. It is also equipped with reducing the slip steel ball of frictional force between described ring-shaped guide rail and guide-track groove 66. Motor 7 is energized work, and centrifugal blower assembly 5 rotates along guide-track groove 66 under gear drive.
Referring to Fig. 1 and Figure 13, the preferred embodiment four of the present invention, with embodiment one basic simlarity, its difference is in that blower fan fixation kit described in this example 6 is provided in the ring-shaped guide rail 65 of spiral case 50 both sides of centrifugal blower assembly 5, and is arranged on the guide-track groove 66 adaptive with described ring-shaped guide rail in the sidewall 110 of protecting crust 11;Described centrifugal blower assembly 5 can rotate along ring guide-track groove 66 in cylindrical protective shell 11 by ring-shaped guide rail 65. It is also equipped with reducing the slip steel ball of frictional force between described ring-shaped guide rail and guide-track groove 66. Motor 7 rotating shaft drives the crank 82 of drive mechanism 8 to circle, and crank 82 imparts power to spiral case 50 by connecting rod 81, thus driving centrifugal blower assembly 5 to rotate along guide-track groove 66.
Claims (6)
1. a centrifugal blower electric fan, including fan body, stay tube and base, fan body and base are connected as entirety by described stay tube, it is characterised in that:
Described fan body includes protecting crust, centrifugal blower assembly, blower fan fixation kit, motor and drive mechanism; Described stay tube is connected to below the sidewall of protecting crust; Described centrifugal blower assembly includes spiral case and is positioned at wind wheel and the wind wheel motor of spiral case; Centrifugal blower assembly is rotatably installed in protecting crust by described blower fan fixation kit, the air outlet of centrifugal blower assembly towards the air-out grid of protecting crust side-walls, with the air inlet of centrifugal blower assembly just to protecting crust side on be provided with air intake mesh; Described motor is fixed on the another side of protecting crust, and this motor is connected with centrifugal blower assembly through drive mechanism; The control circuit of described centrifugal blower electric fan controls motor rotation, and drives centrifugal blower assembly to rotate by drive mechanism.
2. centrifugal blower electric fan described in claim 1, it is characterised in that:
Described blower fan fixation kit includes the rotation axle being arranged on described spiral case both sides, and intercalation is in the shaft hole of the side inner walls of described protecting crust respectively for described rotation axle, so that described centrifugal blower assembly hangs between protecting crust two sides.
3. centrifugal blower electric fan described in claim 1, it is characterised in that:
Described blower fan fixation kit includes the ring-shaped guide rail being arranged on the spiral case both sides of centrifugal blower assembly, and is arranged on two guide-track grooves that in the sidewall of protecting crust and described ring-shaped guide rail is adaptive; Described centrifugal blower assembly can rotate along rail groove in protecting crust by ring-shaped guide rail.
4. centrifugal blower electric fan described in claim 1, it is characterised in that:
Described drive mechanism is crank and rocker mechanism, including connecting rod and crank; One end of described crank is fixed on motor rotary shaft, and the other end is connected with one end of described connecting rod rotationally, and the other end of this connecting rod is rotatably connected on the joint pin of spiral case side of centrifugal blower assembly.
5. centrifugal blower electric fan described in claim 1, it is characterised in that:
Described drive mechanism is geared machine, including the driven pulley on the sidewall of the drivewheel in the rotating shaft being fixed on motor and the spiral case being fixed on centrifugal blower assembly; Drivewheel engages with driven pulley.
6. centrifugal blower electric fan described in claim 3, it is characterised in that:
It is also equipped with reducing the slip steel ball of frictional force between described ring-shaped guide rail and annular guide channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936033.7U CN205315323U (en) | 2015-11-23 | 2015-11-23 | Centrifugal fan electric fan |
| PCT/CN2016/084323 WO2017088431A1 (en) | 2015-11-23 | 2016-06-01 | Centrifugal blower electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936033.7U CN205315323U (en) | 2015-11-23 | 2015-11-23 | Centrifugal fan electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315323U true CN205315323U (en) | 2016-06-15 |
Family
ID=56189340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520936033.7U Active CN205315323U (en) | 2015-11-23 | 2015-11-23 | Centrifugal fan electric fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205315323U (en) |
| WO (1) | WO2017088431A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185645A (en) * | 2019-07-01 | 2019-08-30 | 珠海格力电器股份有限公司 | Tower fan |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6458955A (en) * | 1987-08-31 | 1989-03-06 | Matsushita Seiko Kk | Wind direction controller |
| CN2731150Y (en) * | 2004-08-25 | 2005-10-05 | 吴敬开 | Fan for building with internal swing type blowing direction change |
| JP2006063948A (en) * | 2004-08-30 | 2006-03-09 | Naoya Kiriyama | Electric fan |
| CN202946423U (en) * | 2012-10-26 | 2013-05-22 | 深圳市联创电器实业有限公司 | Domestic centrifugal electric fan |
-
2015
- 2015-11-23 CN CN201520936033.7U patent/CN205315323U/en active Active
-
2016
- 2016-06-01 WO PCT/CN2016/084323 patent/WO2017088431A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185645A (en) * | 2019-07-01 | 2019-08-30 | 珠海格力电器股份有限公司 | Tower fan |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017088431A1 (en) | 2017-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |