CN201269201Y - Multifunctional direct-current pressure-regulating electric fan for travel - Google Patents
Multifunctional direct-current pressure-regulating electric fan for travel Download PDFInfo
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- CN201269201Y CN201269201Y CNU2008201885619U CN200820188561U CN201269201Y CN 201269201 Y CN201269201 Y CN 201269201Y CN U2008201885619 U CNU2008201885619 U CN U2008201885619U CN 200820188561 U CN200820188561 U CN 200820188561U CN 201269201 Y CN201269201 Y CN 201269201Y
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Abstract
The utility model relates to a multi-functional direct current pressure-adjusting traveling fan, comprising fan blades, a fan casing, a motor, a motor casing, a connecting rod and a fan seat. The fan blades are arranged in the fan casing which is arranged on the motor; the fan blades are connected with the motor in a transmission mode; the motor is arranged on the fan seat by the connecting rod; and the motor casing covers the outside of the motor. The utility model is characterized in that the fan also comprises a direct current power supply and a direct current voltage regulator; and the motor adopts a direct current motor which is connected with the direct current power supply by the direct current voltage regulator. By adopting the direct current for power supply, the fan can still be used normally when the power is off or at the regions without power supply and the use is convenient; as the working voltage of the direct current motor of the fan is low and the temperature of the winding of the direct current motor is low, the service life of the motor can not be affected; simultaneously, the fan can not occur electric shock and has safe use; in addition, the fan has small volume and convenient storage and carry, and is suitable for being used when in out-travelling.
Description
Technical field
The utility model relates to a kind of electric fan, more particularly, relates to a kind of multi-functional direct current voltage reulation travelling electric fan.
Background technique
At present, electric fan on the market generally with Ac (civil power) as power supply, the motor of existing electric fan adopts AC motor usually, the rated operational voltage of above-mentioned AC motor is generally alternating current 220V, therefore, there is following shortcoming in existing electric fan:
When 1) having a power failure or in power free place, existing electric fan just can't use, simultaneously, existing electric fan can not use out of doors, thereby it uses inconvenient;
2) owing to have the motor operating voltage height of electric fan now, the temperature of winding raises easily in the motor, influences the working life of motor; Also there is the possibility of electric leakage simultaneously, uses dangerous;
3) because the operating voltage height of existing its motor of electric fan, so rotating speed of motor is generally than higher, thereby the wind-force of electric fan can not transfer very for a short time, the blowing when being not suitable for sleeping;
4) change aspect wind-force big or small in speed governing, existing electric fan can only be realized by the number of turns that changes motor windings, designed more complicated like this, and be difficult for expansion, simultaneously, can not save electric energy, the demand that more can not satisfy baby, child, old man and have people's pectinid of disease to enjoy the cool.
Summary of the invention
The technical problems to be solved in the utility model provides a kind ofly can save electric energy, can extend working time and multi-functional direct current voltage reulation travelling electric fan easy to use, safe again.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of multi-functional direct current voltage reulation travelling electric fan, comprise fan blade, fan guard, motor, electric machine casing, connecting rod and fan base, fan blade is located in the fan guard, fan guard is installed on the motor, and fan blade is connected with electric-motor-driving, and motor is installed on the fan base by connecting rod, electric machine casing covers on outside the motor, it is characterized in that: this electric fan also comprises DC electrical source and dc voltage regulator, and above-mentioned motor adopts direct current generator, and above-mentioned direct current generator is electrically connected with DC electrical source by dc voltage regulator.
As a kind of preferred structure of the present utility model, described dc voltage regulator comprises an electron tube or transistor, and electron tube or transistorized input end are electrically connected with DC electrical source, and electron tube or transistorized output terminal are electrically connected with direct current generator.Like this, because electron tube or transistor have dropping voltage characteristic, so the output voltage that the electric current of DC electrical source is flowed through behind the dc voltage regulator is lowered, thereby obtain being lower than the VDC of DC electrical source voltage, to reach the purpose of direct current voltage reulation.
As another kind of preferred structure of the present utility model, described dc voltage regulator comprises a series circuit, this series circuit is made up of two or more electron tubes that are connected in series or transistor, the input end of series circuit is electrically connected with DC electrical source, and the output terminal of series circuit is electrically connected with direct current generator.In like manner, because electron tube or transistor have dropping voltage characteristic, so this dc voltage regulator can be exported the VDC lower than DC electrical source voltage.For example, the DC electrical source of 12V can obtain the various DC electrical source of 8V～12V through behind this dc voltage regulator; The DC electrical source of 6V is through behind this dc voltage regulator, various DC electrical source that can 3V～6V; Thereby reach the purpose of direct current voltage reulation.
As the third preferred structure of the present utility model, described dc voltage regulator comprises two or more branch roads, one of them electron tube of route or transistor constitute, electron tube that all the other each routes are connected in series more than one or transistor constitute, the common ends of each branch road is electrically connected with DC electrical source, and the other end of each branch road is electrically connected with direct current generator by selector switch.In like manner, because electron tube or transistor have dropping voltage characteristic, so this dc voltage regulator can be exported a plurality of different VDC lower than DC electrical source voltage simultaneously.For example, the DC electrical source of 12V can obtain the various DC electrical source of 8V～12V simultaneously through behind this dc voltage regulator; The DC electrical source of 6V can obtain the various DC electrical source of 3V～6V simultaneously through behind this dc voltage regulator; Thereby can reach the purpose of direct current voltage reulation for direct current generator provides multiple different DC electrical source simultaneously.
Above-mentioned three kinds of dc voltage regulators can change the voltage of DC electrical source into be lower than DC electrical source voltage VDC, use to supply with direct current generator.
Each dc voltage output end of described dc voltage regulator is electrically connected with a plurality of sockets, thereby power supply is provided can for various electrical equipment.
The arrangement of electric fan for convenience, described fan base preferably adopts clip shape fan base.By clip shape fan base, electric fan can be clamped in a certain place, thereby be convenient to the arrangement of electric fan.
The use of electric fan for convenience, described DC electrical source comprises a battery container and at least one storage battery, and storage battery is installed in the battery container, and battery container is provided with a handle.Above-mentioned electric fan can be clamped on the handle of battery container by its clip, is convenient to the use of electric fan.
As a kind of preferred structure of the present utility model, described DC electrical source comprises two storage batteries, and above-mentioned two storage batteries connect by a commutator K serial or parallel connection.
Above-mentioned DC electrical source also can be provided after the transformation rectification by the family expenses Ac.
As further improvement of the utility model, be provided with a head-shaking device between described direct current generator and the connecting rod, this head-shaking device comprises worm screw, worm gear, driving gear set, gear train assembling set, driveshaft, rotating shaft and axle sleeve, above-mentioned worm screw is installed on the pto of direct current generator, the gear train assembling set be fixedly mounted on direct current generator on, driving gear set is installed on the gear train assembling set; Above-mentioned worm gear and driving gear set are in transmission connection; One end of above-mentioned driveshaft is installed in rotation on the power output gear of driving gear set, and the joint of driveshaft and power output gear is provided with respect to the rotating shaft of power output gear is eccentric, and the other end of driveshaft is installed in rotation on the connecting rod; The upper end of above-mentioned rotating shaft fixedly is located on the direct current generator, and above-mentioned axle sleeve fixedly is located on the connecting rod, and above-mentioned rotating shaft is positioned at above-mentioned axle sleeve.Above-mentioned driving gear set comprises at least two gears, thereby constitutes multi-level driving gear set.
When direct current generator rotates, worm screw just drives worm gear and rotates, the worm-gear driven driving gear set is rotated, because the joint of driveshaft and power output gear is provided with respect to the rotating shaft of power output gear is eccentric, so, the power output gear of driving gear set rotates whole direct current generator and electric machine casing in the effect of driveshaft reaction force around the shaft on axle sleeve; Because the joint of driveshaft and power output gear is provided with respect to the rotating shaft of power output gear is eccentric, so, when the power output gear revolution moved a week, direct current generator and electric machine casing were finished swinging of a same period around the shaft, thus the function that realization is shaken the head;
Described head-shaking device also comprises a clutch mechanism, and this clutch mechanism is located between worm gear and the driving gear set.
Described clutch mechanism comprises half-axile sleeve, following half-axile sleeve, lifting tooth wheel shaft, tension spring, steel ball and pull handle, following half-axile sleeve fixedly is located on the lower surface of worm gear coaxially, last half-axile sleeve is pressed on the upper surface of worm gear by a mounting plate, last half-axile sleeve and following half-axile sleeve, the coaxial setting of worm gear, the above-mentioned inner side surface of going up half-axile sleeve is provided with at least one raised line, the inner side surface of following half-axile sleeve and worm gear is provided with at least one raised line, and axial setting of above-mentioned raised line and position are corresponding; The middle part of above-mentioned lifting tooth wheel shaft is provided with a sleeve, the bottom is provided with tooth bar, above-mentioned sleeve is provided with radial direction through hole, above-mentioned tension spring is installed in the radial direction through hole, the two ends of radial direction through hole respectively are provided with a steel ball, steel ball is pressed on the two ends of tension spring, the sleeve of lifting tooth wheel shaft is positioned at half-axile sleeve, following half-axile sleeve and worm gear, the lifting tooth wheel shaft is in transmission connection by the steel ball at tension spring two ends and the cooperation of the raised line on following half-axile sleeve and the worm gear inner side surface, the tooth bar of lifting tooth wheel shaft bottom and the engagement of the power input gear of driving gear set; Above-mentioned pull handle is installed in the upper end of lifting tooth wheel shaft.
In the time will making electric fan oscillating, press pull handle downwards, make the sleeve of lifting tooth wheel shaft be positioned at half-axile sleeve and worm gear down, the lifting tooth wheel shaft is in transmission connection by the steel ball at tension spring two ends and the cooperation of the raised line on following half-axile sleeve and the worm gear inner side surface, like this, direct current generator rotates by the worm drive worm gear, worm gear drives lifting tooth wheel shaft rotates together, the lifting tooth wheel shaft drives driving gear set and rotates, driving gear set rotates whole direct current generator and electric machine casing in the effect of driveshaft reaction force around the shaft on axle sleeve; Because the joint of driveshaft and power output gear is provided with respect to the rotating shaft of power output gear is eccentric, so, when the power output gear revolution moved a week, direct current generator and electric machine casing were finished swinging of a same period around the shaft, thus the function that realization is shaken the head;
When not needing electric fan oscillating, pull handle upwards, make the sleeve of lifting tooth wheel shaft be positioned at half-axile sleeve, because last half-axile sleeve just is pressed on the upper surface of worm gear, so direct current generator is by the idle running of worm drive worm gear, and the lifting tooth wheel shaft remains static, therefore, electric fan can not made the action of shaking the head.
The utility model beneficial effect against existing technologies is:
1) because electric fan of the present utility model adopts DC power supply, so during power failure or in power free place, electric fan of the present utility model still can normally use, it is easy to use;
2) because the operating voltage of direct current generator of the present utility model is low, the temperature of winding is low in the direct current generator, can not influence the working life of motor; Simultaneously, the electric fan of the present utility model phenomenon of can not getting an electric shock, safe in utilization;
3) because electric fan of the present utility model adopts dc voltage regulator, speed governing changes the size of wind-force easily, and dc voltage regulator is simple in structure, be easy to realize, its wind-force of also easy operating, thereby electric fan of the present utility model can be transferred very for a short time, can save electric energy, can extend working time again, promptly air feed is enjoyed the cool for a long time, thus the demand that satisfies baby, child, old man and have people's pectinid of disease to enjoy the cool;
4) its volume of electric fan of the present utility model is little, deposits with easy to carry, uses when being fit to travel outdoors;
5) electric fan of the present utility model has solved the difficult problem of miniature electric fan oscillating design, makes miniature electric fan also can realize the action of shaking the head, and can dry for many people simultaneously and enjoy the cool, thereby improve the practicability of electric fan.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the structural representation when electric fan separates with a storage battery shell in the utility model preferred embodiment;
Fig. 3 is the circuit diagram of the utility model preferred embodiment;
Fig. 4 is the structural representation of head-shaking device in the utility model preferred embodiment;
Fig. 5 is the structural representation of clutch mechanism in the utility model preferred embodiment.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, multi-functional direct current voltage reulation travelling electric fan in this preferred embodiment, comprise fan blade 1, fan guard 2, direct current generator 3, DC electrical source 4, dc voltage regulator 5, electric machine casing 6, connecting rod 7 and clip shape fan base 8, fan blade 1 is located in the fan guard 2, fan guard 2 is installed on the direct current generator 3, fan blade 1 is in transmission connection with direct current generator 3, and direct current generator 3 is installed on the fan base 8 by connecting rod 7, and electric machine casing 6 covers on outside the direct current generator 3;
Above-mentioned DC electrical source 4 comprises the storage battery 41,42 of a battery container 40 and two 6V, storage battery 41,42 is installed in the battery container 40, the upper surface of battery container 7 is provided with a handle 9, and the front panel of battery container 7 is provided with adjusting pressuring knob 10 and voltmeter 11; Above-mentioned electric fan can be clamped on the handle 9 of battery container 7 by its clip shape fan base 8, is convenient to the use of electric fan;
The output voltage of above-mentioned storage battery 41,42 is 6V, and above-mentioned storage battery 41,42 connects by a commutator K serial or parallel connection; When commutator K threw to a point, storage battery 41,42 was connected in series U
Cd=12V; When commutator K threw to the b point, storage battery 41,42 was connected in parallel U
Cd=6V;
Above-mentioned dc voltage regulator 5 comprises two branch road A, B, and one of them branch road A is made of an electron tube or transistor 50, and another branch road B is made of two electron tubes that are connected in series or transistor 50, the common ends A of two branch roads
1B
1By a selector switch K
0Be electrically connected selector switch K with the output terminal c of DC electrical source 4
0Effect be to make branch road A can export not pressure regulation voltage and pressure regulation voltage, the other end A of branch road A
2, branch road B the other end B
2Be electrically connected with an input electrode of direct current generator 3 respectively by a selector switch K ' (being adjusting pressuring knob 10), another input electrode of direct current generator 3 is electrically connected with the output terminal d of DC electrical source 4.
Because electron tube or transistor 50 have dropping voltage characteristic, so this dc voltage regulator 5 can be exported two VDC lower than DC electrical source 4 voltages simultaneously.In like manner, by increasing the electron tube that is connected in series in a travel permit number and/or the branch road or the number of transistor 50, can obtain a plurality of different VDC lower simultaneously than DC electrical source 4 voltages.For example, the DC electrical source of 12V is through behind this dc voltage regulator, can obtain the various DC electrical source of 8V～12V simultaneously, its minimum VDC is output as 8V, its High Level DC Voltage is output as 12V, preferably being divided into five shelves in the scope of 8V～12V uses to supply with direct current generator 3, the maximum wind speed of above-mentioned each grade correspondence is as follows: 1 grade maximum wind speed is that per minute 3000 changes, 2 grades maximum wind speed is that per minute 3500 changes, 3 grades maximum wind speed is that per minute 4000 changes, 4 grades maximum wind speed is that per minute 4500 changes, and 5 grades maximum wind speed is that per minute 5000 changes; The DC electrical source of 6V is through behind this dc voltage regulator, can obtain the various DC electrical source of 3V～6V simultaneously, its minimum VDC is output as 3V, its High Level DC Voltage is output as 6V, preferably being divided into five shelves in the scope of 3V～6V uses to supply with direct current generator 3, the maximum wind speed of above-mentioned each grade correspondence is as follows: the maximum wind speed of 1 grade (gentle breeze) is that per minute 500 changes, the maximum wind speed of 2 grades (light breeze) is that per minute 1000 changes, the maximum wind speed of 3 grades (little wind) is that per minute 1500 changes, the maximum wind speed of 4 grades (apoplexy) is that per minute 2000 changes, and the maximum wind speed of 5 grades (strong wind) is that per minute 2500 changes; Thereby can satisfy the people's of different occupation, all ages and classes the demand of enjoying the cool.
Each dc voltage output end of above-mentioned dc voltage regulator 5 is electrically connected with a plurality of sockets 51, and socket 51 is located on the upper surface of battery container 7, thereby power supply is provided can for various electrical equipment.
As shown in Figure 4, as further improvement of the utility model, be provided with a head-shaking device between above-mentioned direct current generator 3 and the connecting rod 7, this head-shaking device comprises worm screw 12, worm gear 13, driving gear set 14, gear train assembling set 15, driveshaft 16, rotating shaft 17 and axle sleeve 18, above-mentioned worm screw 12 is installed on the pto of direct current generator 3, gear train assembling set 15 be fixedly mounted on direct current generator 3 on, driving gear set 14 is installed on the gear train assembling set 15; Above-mentioned worm gear 13 is in transmission connection with driving gear set 14; One end of above-mentioned driveshaft 16 is installed in rotation on the power output gear 140 of driving gear set 14, the joint of driveshaft 16 and power output gear 140, be provided with respect to the rotating shaft of power output gear 140 is eccentric, the other end of driveshaft 16 is installed in rotation on the connecting rod 7; The upper end of above-mentioned rotating shaft 17 fixedly is located on the direct current generator 3, and above-mentioned axle sleeve 18 fixedly is located on the connecting rod 7, and above-mentioned rotating shaft 17 is positioned at above-mentioned axle sleeve 18.
As Fig. 4, shown in Figure 5, above-mentioned head-shaking device also comprises a clutch mechanism, and this clutch mechanism is located between worm gear 13 and the driving gear set 14.Above-mentioned clutch mechanism comprises half-axile sleeve 19, following half-axile sleeve 20, lifting tooth wheel shaft 21, tension spring 22, steel ball 23,24 and pull handle 25, following half-axile sleeve 20 fixedly is located on the lower surface of worm gear 13 coaxially, last half-axile sleeve 19 is pressed on the upper surface of worm gear 13 by a mounting plate 26, last half-axile sleeve 19 and following half-axile sleeve 20, worm gear 13 coaxial settings, the above-mentioned inner side surface of going up half-axile sleeve 19 is provided with four raised lines 27, the inner side surface of following half-axile sleeve 20 and worm gear 13 is provided with four raised lines 28, and above-mentioned raised line 27,28 axial settings and position are corresponding; The middle part of above-mentioned lifting tooth wheel shaft 21 is provided with a sleeve 211, the bottom is provided with tooth bar 212, above-mentioned sleeve 211 is provided with radial direction through hole 210, above-mentioned tension spring 22 is installed in the radial direction through hole 210, the two ends of radial direction through hole 210 are provided with a steel ball 23,24, steel ball presses 23,24 is tight on the two ends of tension spring 22, the sleeve 211 of lifting tooth wheel shaft 21 is positioned at half-axile sleeve 19, in following half-axile sleeve 20 and the worm gear 13, lifting tooth wheel shaft 21 is by the steel ball 23 at tension spring 22 two ends, 24 and following half-axile sleeve 20 and worm gear 13 inner side surfaces on both cooperations of raised line 27 and be in transmission connection, the tooth bar 212 of lifting tooth wheel shaft 21 bottoms meshes with the power input gear of driving gear set 14 141; Above-mentioned pull handle 25 is installed in the upper end of lifting tooth wheel shaft 21.
During use, can make the output voltage of DC electrical source 4 by commutator K is 12V or 6V, be adjusting pressuring knob 10 by selector switch K ' again, DC electrical source 4 is carried out pressure regulation, make the various DC electrical source of dc voltage regulator 5 output 8V～12V or 3V～6V, to supply with electric fan, make electric fan have different rotating speeds.
In the time will making electric fan oscillating, press pull handle 25 downwards, make the sleeve 211 of lifting tooth wheel shaft 21 be positioned at half-axile sleeve 20 and worm gear 13 down, lifting tooth wheel shaft 21 is by the steel ball 23 at tension spring 22 two ends, 24 and following half-axile sleeve 20 and worm gear 13 inner side surfaces on both cooperations of raised line 27 and be in transmission connection, like this, direct current generator 3 drives worm gear 13 by worm screw 12 and rotates, worm gear 13 drives lifting tooth wheel shaft 21 and rotates together, lifting tooth wheel shaft 21 drives driving gear set 14 and rotates, driving gear set 14 17 rotates whole direct current generator 3 and electric machine casing 6 in the effect of driveshaft 16 reaction forces around the shaft on axle sleeve 18; Because the joint of driveshaft 16 and power output gear 140, be provided with respect to the rotating shaft of power output gear 140 is eccentric, so, when power output gear 140 revolutions move a week, direct current generator 3 and electric machine casing 6 17 are finished swinging of a same period around the shaft, thus the function that realization is shaken the head;
When not needing electric fan oscillating, upwards pull handle 25, make the sleeve 211 of lifting tooth wheel shaft 21 be positioned at half-axile sleeve 19, because last half-axile sleeve 19 just is pressed on the upper surface of worm gear 13, so direct current generator 3 drives worm gear 13 idle running by worm screw 12, and lifting tooth wheel shaft 21 remains static, therefore, electric fan can not made the action of shaking the head.
Claims (10)
1, a kind of multi-functional direct current voltage reulation travelling electric fan, comprise fan blade, fan guard, motor, electric machine casing, connecting rod and fan base, fan blade is located in the fan guard, fan guard is installed on the motor, and fan blade is connected with electric-motor-driving, and motor is installed on the fan base by connecting rod, electric machine casing covers on outside the motor, it is characterized in that: this electric fan also comprises DC electrical source and dc voltage regulator, and above-mentioned motor adopts direct current generator, and above-mentioned direct current generator is electrically connected with DC electrical source by dc voltage regulator.
2, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 1, it is characterized in that: described dc voltage regulator comprises an electron tube or transistor, electron tube or transistorized input end are electrically connected with DC electrical source, and electron tube or transistorized output terminal are electrically connected with direct current generator.
3, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 1, it is characterized in that: described dc voltage regulator comprises a series circuit, this series circuit is made up of two or more electron tubes that are connected in series or transistor, the input end of series circuit is electrically connected with DC electrical source, and the output terminal of series circuit is electrically connected with direct current generator.
4, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 1, it is characterized in that: described dc voltage regulator comprises two or more branch roads, one of them electron tube of route or transistor constitute, electron tube that all the other each routes are connected in series more than one or transistor constitute, the common ends of each branch road is electrically connected with DC electrical source, and the other end of each branch road is electrically connected with direct current generator by selector switch.
5, as each described multi-functional direct current voltage reulation travelling electric fan in the claim 1 to 4, it is characterized in that: each dc voltage output end of described dc voltage regulator is electrically connected with a plurality of sockets.
6, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 5, it is characterized in that: described fan base adopts clip shape fan base.
7, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 6, it is characterized in that: described DC electrical source comprises a battery container and at least one storage battery, and storage battery is installed in the battery container, and battery container is provided with a handle.
8, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 7, it is characterized in that: described DC electrical source comprises two storage batteries, above-mentioned two storage batteries connect by a commutator K serial or parallel connection.
9, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 8, it is characterized in that: be provided with a head-shaking device between described direct current generator and the connecting rod, this head-shaking device comprises worm screw, worm gear, driving gear set, gear train assembling set, driveshaft, rotating shaft and axle sleeve, above-mentioned worm screw is installed on the pto of direct current generator, the gear train assembling set be fixedly mounted on direct current generator on, driving gear set is installed on the gear train assembling set; Above-mentioned worm gear and driving gear set are in transmission connection; One end of above-mentioned driveshaft is installed in rotation on the power output gear of driving gear set, and the joint of driveshaft and power output gear is provided with respect to the rotating shaft of power output gear is eccentric, and the other end of driveshaft is installed in rotation on the connecting rod; The upper end of above-mentioned rotating shaft fixedly is located on the direct current generator, and above-mentioned axle sleeve fixedly is located on the connecting rod, and above-mentioned rotating shaft is positioned at above-mentioned axle sleeve.
10, multi-functional direct current voltage reulation travelling electric fan as claimed in claim 9, it is characterized in that: described head-shaking device also comprises a clutch mechanism, this clutch mechanism is located between worm gear and the driving gear set; Described clutch mechanism comprises half-axile sleeve, following half-axile sleeve, lifting tooth wheel shaft, tension spring, steel ball and pull handle, following half-axile sleeve fixedly is located on the lower surface of worm gear coaxially, last half-axile sleeve is pressed on the upper surface of worm gear by a mounting plate, last half-axile sleeve and following half-axile sleeve, the coaxial setting of worm gear, the above-mentioned inner side surface of going up half-axile sleeve is provided with at least one raised line, the inner side surface of following half-axile sleeve and worm gear is provided with at least one raised line, and axial setting of above-mentioned raised line and position are corresponding; The middle part of above-mentioned lifting tooth wheel shaft is provided with a sleeve, the bottom is provided with tooth bar, above-mentioned sleeve is provided with radial direction through hole, above-mentioned tension spring is installed in the radial direction through hole, the two ends of radial direction through hole respectively are provided with a steel ball, steel ball is pressed on the two ends of tension spring, the sleeve of lifting tooth wheel shaft is positioned at half-axile sleeve, following half-axile sleeve and worm gear, the lifting tooth wheel shaft is in transmission connection by the steel ball at tension spring two ends and the cooperation of the raised line on following half-axile sleeve and the worm gear inner side surface, the tooth bar of lifting tooth wheel shaft bottom and the engagement of the power input gear of driving gear set; Above-mentioned pull handle is installed in the upper end of lifting tooth wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201885619U CN201269201Y (en) | 2008-08-08 | 2008-08-08 | Multifunctional direct-current pressure-regulating electric fan for travel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201885619U CN201269201Y (en) | 2008-08-08 | 2008-08-08 | Multifunctional direct-current pressure-regulating electric fan for travel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269201Y true CN201269201Y (en) | 2009-07-08 |
Family
ID=40841799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201885619U Expired - Fee Related CN201269201Y (en) | 2008-08-08 | 2008-08-08 | Multifunctional direct-current pressure-regulating electric fan for travel |
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| Country | Link |
|---|---|
| CN (1) | CN201269201Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632667A (en) * | 2015-02-11 | 2015-05-20 | 许文龙 | Multipurpose fan |
| CN106050696A (en) * | 2016-06-20 | 2016-10-26 | 湖南海裕信息科技有限公司 | Electricity generating electric fan |
-
2008
- 2008-08-08 CN CNU2008201885619U patent/CN201269201Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632667A (en) * | 2015-02-11 | 2015-05-20 | 许文龙 | Multipurpose fan |
| CN106050696A (en) * | 2016-06-20 | 2016-10-26 | 湖南海裕信息科技有限公司 | Electricity generating electric fan |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20110808 |