CN2514147Y - Electric fan capable of arbitrarily steering - Google Patents
Electric fan capable of arbitrarily steering Download PDFInfo
- Publication number
- CN2514147Y CN2514147Y CN 01255506 CN01255506U CN2514147Y CN 2514147 Y CN2514147 Y CN 2514147Y CN 01255506 CN01255506 CN 01255506 CN 01255506 U CN01255506 U CN 01255506U CN 2514147 Y CN2514147 Y CN 2514147Y
- Authority
- CN
- China
- Prior art keywords
- electric fan
- lower cover
- switch box
- direct current
- optionally rotated
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an electric fan which can arbitrarily change directions. The utility model includes a fan head, an upright stanchion, and a switch box which is installed on the upright stanchion and consists of an upper cover and a lower cover that are connected together with a center shaft, wherein, the fan head is installed on the upper cover, a big gear is installed in the lower cover, a small gear which is mounted in the upper cover and is directly or indirectly coupling driven by a direct current electric motor is engaged with the big gear ring of the lower cover of the switch box to realize relative rotation. The direct current electric motor is connected with the small gear via a clutch device. Two conductive copper bars which are insulated from each other and locate at different radial positions are installed on the upper cover via springs and contacted with two conductive rings which are insulated from each other and arranged on the lower cover and at the positions corresponding to the radial positions. Not only the rotational angle of the fan head can be arbitrarily set between 0 and 360 degrees, but also the fan head can rotate in one direction at 360 degrees to change the wind direction. The structure and the control circuit are relatively simple, and the turning is safe.
Description
Technical field
The utility model relates to the electric fan technical field, more particularly, relates to a kind of optionally rotated electric fan.
Background technique
The steering equipment of traditional electrical fan and blade rotation are same by a motoring, steering equipment's complexity, and also steering range is very limited, and, steering equipment has only work or the two states of not working, and when steering equipment did not work, the air-out direction of fan was changeless; When work, the rotating angle in its left and right sides is changeless, has only usually about the 90-120 degree, and this brings inconvenience for effective use of electric fan.
Summary of the invention
The technical problems to be solved in the utility model is, a kind of electric fan is provided, the reciprocating rotating angular range of the fan head of its decision wind direction can be set arbitrarily, can in the narrow range of for example 12 degree, turn round, be fit to air feed more among a small circle, also can for example 300 degree than polarizers of big angle scope in turn round, to be fit to the needs of bigger wind-engaging scope, simultaneously, fan head can also be fit to the application of omnidirectional air outlet along the 360 degree circulation rotations of a direction.
Technical problem of the present utility model is to solve like this, construct a kind of optionally rotated electric fan, comprise fan head, vertical rod, be contained in the switch box in the vertical rod, switch box comprises loam cake and the lower cover that connects by central shaft, described fan head is contained in the switch box loam cake, in the described switch box lower cover gearwheel is housed, in the described switch box loam cake direct current motor is housed, the small gear by the direct or indirect couple drive of direct current motor that is contained in the described loam cake is realized relatively rotating with the canine tooth torus engagement that is contained in described switch box lower cover.
In the optionally rotated electric fan that provides according to the utility model, described direct current motor is connected with described small gear by engaging and disengaging gear.
In the optionally rotated electric fan that provides according to the utility model, described engaging and disengaging gear comprises the clutch main body, is contained in spring and steel ball in the described clutch main body two side holes.
In the optionally rotated electric fan that provides according to the utility model, described loam cake is equipped with two conduction copper rods insulated from each other that are in different radial positions by spring, and insulated from each other two conductive hoops corresponding with its radial position with being located at described lower cover contact.
In the optionally rotated electric fan that provides according to the utility model, described conductive hoop is located at the outer shroud of the torus of canine tooth described in the lower cover.
In the optionally rotated electric fan that provides according to the utility model, also comprise the speed reducer that is connected described direct current motor output revolving shaft, the output terminal of described speed reducer and described engaging and disengaging gear are coupled.
In the optionally rotated electric fan that provides according to the utility model, also comprise the mounting bracket that described direct current motor is installed, described mounting bracket both sides have the through hole can be by described conduction copper rod, and described mounting bracket central authorities eccentric position has through hole can pass through described small gear.
In the optionally rotated electric fan that provides according to the utility model, described direct current motor is installed on the described mounting bracket by the motor fixed plate.
In the optionally rotated electric fan that provides according to the utility model, around described loam cake, evenly be provided with a plurality of infrared receiving sensors, and be arranged with safety cover in its outside.
In the optionally rotated electric fan that provides according to the utility model, transformer and circuit board are housed in the described loam cake.
The optionally rotated electric fan that enforcement provides according to the utility model, the angle that fan head can be come back rotation also can 360 angles constantly rotate with a direction with any setting between the 0-360 degree, change wind direction, thereby satisfy the different demand of people.This optionally rotated electric fan, structure and control circuit are fairly simple, and steering safety is good, is a kind of electric fan more practical more than existing electric fan.
Description of drawings
Fig. 1 is the perspective view of the optionally rotated electric fan of the utility model;
Fig. 2 is the decomposition texture schematic representation of the knuckle section of the optionally rotated electric fan of the utility model.
Embodiment
Each label among the figure is unitedly described as follows: the 1st, switch box loam cake, the 2nd, transformer, the 3rd, circuit board; the 4th, the protective cover of infrared receiving tube, the 5th, infrared receiving tube and circuit board, the 6th, the protective cover of infrared receiving tube; the 7th, motor fixed plate, the 8th, direct current motor, the 9th, spring; the 10th, clutch main body, the 11st, steel ball, the 12nd, pressing plate; the 13rd, spring, the 14th, copper rod, the 15th, support of motor; the 16th, power line, the 17th, clamp button, the 18th, switch box protecgulum; the 19th, central shaft, the 20th, bearing, the 21st, E shape clasp; the 22nd, electricity ring 1,23rd, electricity ring 2,24th, gearwheel; the 25th, switch box lower cover, the 26th, small gear, the 27th, switch box; the 28th, fan head, the 29th, vertical rod, the 30th, base.
As depicted in figs. 1 and 2, optionally rotated electric fan of the present utility model comprises fan head 28, switch box 27, vertical rod 29 (can be two joint telescopic types) and base 30, and vertical rod 29 is contained on the base 30, and switch box 27 is contained in the vertical rod 29.Fan head 28 is contained in vertical rod 29 tops by link.Power line 31 is connected to motor in the fan head 28 by transformer, control circuit etc., and the electric fan blade is driven.
In conjunction with Fig. 2, CONSTRUCTED SPECIFICATION of the present utility model.The switch box 27 that control circuit board 3, transformer 2 etc. are housed comprises loam cake 1 and the lower cover 25 that connects by central shaft 19, fan head 28 (not comprising the steering equipment in the conventional fan head) is contained on the switch box loam cake 1 by bolt, canine tooth torus 25 is housed in the switch box lower cover 25, direct current motor 8 is housed in the switch box loam cake 1, is contained in relatively rotating by the inwall tooth bar engagement realization of engaging and disengaging gear driving pinion 24 in the loam cake 1 with the canine tooth torus 24 that is contained in switch box lower cover 25 by direct current motor 8.When motor 8 rotates by speed reducer and clutch driving pinion 24, on the one hand, small gear 24 self rotates, on the other hand, the internal tooth of canine tooth torus 24 engagement in its external tooth and the lower cover and around central shaft " revolution " thus the realization loam cake with respect to the rotation of lower cover, the i.e. rotation of fan head.
Engaging and disengaging gear comprises clutch main body 10, is contained in spring 9 and steel ball 11 in clutch main body 10 two side holes.Like this, when in the electric fan rotary course, running into obstacle or being subjected to resistance, can play the protection direct current motor and prevent the effect that electric fan is toppled over.
Be provided with magnet and IC in the direct current motor 8, the connection conversion that is used to control the both positive and negative polarity of direct current motor realizes the switching of motor steering.If with a direction rotational time T1, opposite direction counter-rotating T1 time again, varying cyclically so just can be realized the back rotation of coming of fan head by motor, the T1 time is short more, and the wind direction angle is just little, otherwise with regard to greatly.If in a period of time, direct current motor passes to the direct current of a direction all the time, and then electric fan is with regard to the comprehensive rotation of 360 degree.Being actually loam cake drive fan head rotates with respect to lower cover.Direct current motor 8 is installed on the mounting bracket 15 by motor fixed plate 7.Mounting bracket 15 both sides have through hole to be used for by the conduction copper rod, and mounting bracket 15 central eccentric positions have through hole can pass through small gear 26.In loam cake 1, by spring 13 two conduction copper rods insulated from each other that are in different radial positions are contained on the support of motor 15, described two copper rods 14 be located at lower cover in corresponding two conductive hoops insulated from each other 22,23 of outer shroud and two copper rod radial positions of canine tooth torus 24 realize electrically contacting, thereby realize the power supply of electric fan.Around loam cake, evenly be provided with a plurality of infrared receiving sensors 5, and be arranged with safety cover 4 and 6, thereby guarantee to redirect to any angle, all can receive infrared remote-controlled signal from remote controller at fan in its outside.
Optionally rotated electric fan of the present utility model, the rotation of its fan head is to realize by the rotation between switch box top and the switch box lower cover, the interconnected relationship of circuit between control switch upper box part and switch box lower cover, the copper rod by loam cake and the conductive hoop of lower cover contact realization.
Claims (10)
1, a kind of optionally rotated electric fan, it is characterized in that, comprise fan head, vertical rod, be contained in the switch box in the vertical rod, switch box comprises loam cake and the lower cover that connects by central shaft, described fan head is contained in the switch box loam cake, in the described switch box lower cover gearwheel is housed, in the described switch box loam cake direct current motor is housed, the small gear by the direct or indirect couple drive of direct current motor that is contained in the described loam cake is realized relatively rotating with the canine tooth torus engagement that is contained in described switch box lower cover.
According to the described optionally rotated electric fan of claim 1, it is characterized in that 2, described direct current motor is connected with described small gear by engaging and disengaging gear.
According to the described optionally rotated electric fan of claim 2, it is characterized in that 3, described engaging and disengaging gear comprises the clutch main body, is contained in spring and steel ball in the described clutch main body two side holes.
4, according to the described optionally rotated electric fan of claim 1, it is characterized in that, described loam cake is equipped with two conduction copper rods insulated from each other that are in different radial positions by spring, and insulated from each other two conductive hoops corresponding with its radial position with being located at described lower cover contact.
5, according to the described optionally rotated electric fan of claim 4, it is characterized in that described conductive hoop is located at the outer shroud of the torus of canine tooth described in the lower cover.
According to the described optionally rotated electric fan of claim 2, it is characterized in that 6, also comprise the speed reducer that is connected described direct current motor output revolving shaft, the output terminal of described speed reducer and described engaging and disengaging gear are coupled.
7, according to the described optionally rotated electric fan of claim 4, it is characterized in that, also comprise the mounting bracket that described direct current motor is installed, described mounting bracket both sides have the through hole can be by described conduction copper rod, and described mounting bracket central authorities eccentric position has through hole can pass through described small gear.
8, according to the described optionally rotated electric fan of claim 7, it is characterized in that described direct current motor is installed on the described mounting bracket by the motor fixed plate.
9, according to the described optionally rotated electric fan of claim 1, it is characterized in that, around described loam cake, evenly be provided with a plurality of infrared receiving sensors, and be arranged with safety cover in its outside.
10, according to the described optionally rotated electric fan of claim 1, it is characterized in that, transformer and circuit board are housed in the described loam cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01255506 CN2514147Y (en) | 2001-08-30 | 2001-08-30 | Electric fan capable of arbitrarily steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01255506 CN2514147Y (en) | 2001-08-30 | 2001-08-30 | Electric fan capable of arbitrarily steering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2514147Y true CN2514147Y (en) | 2002-10-02 |
Family
ID=33664628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01255506 Expired - Fee Related CN2514147Y (en) | 2001-08-30 | 2001-08-30 | Electric fan capable of arbitrarily steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2514147Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523408A (en) * | 2017-01-11 | 2017-03-22 | 温岭市威利玛机电有限公司 | Large-sized industrial fan integrating motor and fan blades |
| CN106989043A (en) * | 2016-01-20 | 2017-07-28 | 珍巴多工业股份有限公司 | Air-supply arrangement |
| CN107013479A (en) * | 2017-06-02 | 2017-08-04 | 深圳市得城网络科技有限公司 | Axial-flow type intelligent fan |
| CN112197409A (en) * | 2020-09-23 | 2021-01-08 | 刘中恕 | Electricity-free central air conditioner wind direction adjusting device |
-
2001
- 2001-08-30 CN CN 01255506 patent/CN2514147Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989043A (en) * | 2016-01-20 | 2017-07-28 | 珍巴多工业股份有限公司 | Air-supply arrangement |
| CN106989043B (en) * | 2016-01-20 | 2021-03-05 | 珍巴多工业股份有限公司 | Air supply device |
| CN106523408A (en) * | 2017-01-11 | 2017-03-22 | 温岭市威利玛机电有限公司 | Large-sized industrial fan integrating motor and fan blades |
| CN107013479A (en) * | 2017-06-02 | 2017-08-04 | 深圳市得城网络科技有限公司 | Axial-flow type intelligent fan |
| CN112197409A (en) * | 2020-09-23 | 2021-01-08 | 刘中恕 | Electricity-free central air conditioner wind direction adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |