CN2756874Y - Free rocking electric fan rocking device - Google Patents
Free rocking electric fan rocking device Download PDFInfo
- Publication number
- CN2756874Y CN2756874Y CN 200420013536 CN200420013536U CN2756874Y CN 2756874 Y CN2756874 Y CN 2756874Y CN 200420013536 CN200420013536 CN 200420013536 CN 200420013536 U CN200420013536 U CN 200420013536U CN 2756874 Y CN2756874 Y CN 2756874Y
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- gear
- swing
- angle
- electric fan
- control
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- Expired - Fee Related
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Abstract
The utility model discloses a rocking device for a free rocking electric fan, which carries out new improvement to a rocking mechanism of the electric fan based on an ordinary electric fan, and the repeating oscillation and the rotary oscillation of the head of the electric fan are realized by the repeating oscillation and the rotary oscillation of a tilter which is assembled on a fixing bracket through a thrust bearing and an ordinary bearing. The fixing bracket is provided with an angle modulation device, a conductive slipping ring, a rock controlling system and a control panel. The electric fan can make free repeating oscillation in a range form 90 DEG to 350 DEG or rotary oscillation in the range of exceeding 350 DEG through manually controlling a rocking switch and a rotary control switch, and the repeating oscillation and the rotary oscillation are not mutually affected.
Description
Technical field
The utility model relates to a kind of electric fan that can swing back and forth, and is specifically related to a kind ofly can not only carry out free angle in 90 °～350 ° scopes and swing back and forth, and can also surpasses the electric fan of 350 ° of rotary oscillations.
Background technique
At present, the domestic electric fan overwhelming majority on the market all has the function of blowing while swinging, but with regard to its swing function, pendulum angle generally is no more than 180 °, and be a fixed value, therefore in the bigger occasion of blowing range, can only use ceiling fan or have the electric fan of 360 ° of revolute functions.To having the electric fan of 360 ° of revolute functions, its swirl gear adopts gear combination mechanism or linkage mechanism more, complex structure, and inconvenient operation, and break down easily; In angle control, its control angle only is fixed on several angles, such as 180 °, 360 °, still is unfavorable for practical application.
Summary of the invention
The utility model is for solving above-mentioned these problems, its purpose is to provide a kind of free pendulum electric fan, and this free pendulum fan structure is simple and reliable, easy and safe to operate, and can in 90 °～350 ° scopes, carry out arbitrarily angled swinging back and forth, can also surpass 350 ° of rotary oscillations simultaneously.
The technological scheme that its technical problem that solves the utility model adopts is: the swing mechanism to fan on the basis of conventional fan has carried out brand-new improvement, fan head is installed on the swing platform 5 that can rotate freely together with the pitch angle controlling mechanism, fan head swing back and forth and rotary oscillation respectively by the swing platform 5 swing back and forth and rotary oscillation realize that it is faced upward, the angle of depression is still regulated by the pitch angle controlling mechanism of conventional fan.Swing platform 5 is made up of oscillating platform 11 and rotating shaft 8, and the bearing 12 on the oscillating platform 11 is used to install fan head and pitch angle controlling mechanism, and 8 dead axles of rotating shaft rotate and supporting effect.Rotating shaft 8 inside are provided with a slightness hole 21, and in position have side opening 9 and cross-drilled hole 7, and slightness hole 21 and side opening 9 are used to arrange the power line of fan head, and cross-drilled hole 7 is used for fixing from nutating gear 39.
The needs that the fixing frame 1 of fan rotates according to rotating shaft 8 dead axles, its housing designs becomes cuboid shape, and enclosure has deep floor, and be provided with bearing hole thereon (14,17) and through hole 15, is used to install the rotating shaft 8 of swinging on the platform 5.For guaranteeing the stationarity of swing platform 5 swings, fixing frame 1 assembles with the rotating shaft 8 of swing platform 5 by thrust-bearing 24 and plain bearing 25.A wherein side of fixing frame 1 shell is a movable side cover, and promptly the fan control panel 6, are convenient to the internals of mounting and fixing support 1; Control panel 6 can be by screw on fixing frame 1.Connecing hole 18 and can connecting desk-top (or floor model) base of fixing frame 1 bottom constitutes desk-top (or floor model) free pendulum fan.
The angle regulator 4 of fan is made of knob 26, bevel reduction gear set (27,28,33), haptic element (29,32) and magnet piece (30,31), is installed in the rotating shaft 8 of swing platform 5, and is whole with 5 swings of swing platform.Bevel reduction gear set comprises two angle gears (28,33) and a knob gear 27, and angle gear (28,33) is installed on by bearing (22,23) in the rotating shaft 8 of swing platform 5, mutually across a certain distance, and all 8 rotations around the shaft; Knob gear 27 meshes with two angle gears (28,33) respectively, when it rotates, controls two angle gears (28,33) constant speed rotation in opposite direction.For ease of on the boss 10 of swing platform 5 outer covers, arranging the pendulum angle of fan, knob gear 27 and two angle gears (28,33) velocity ratio was made as respectively 2: 1, two angle gears (28 when assurance knob gear 27 rotates a circle, 33) respectively rotate half cycle, then the angle theta maximum between two haptic elements (29,32) can increase to 350 °.According to the situation of selecting for use of magnet piece on the haptic element (30,31) magnetic pole, haptic element can be divided into N utmost point haptic element 29 and S utmost point haptic element 32, and what work on the N utmost point haptic element 29 is the N utmost point of magnet piece 30, and what work on the S utmost point haptic element 32 is the S utmost point of magnet piece 31.Two haptic elements (29,32) be individually fixed in two angle gears (28,33) on, move with angle gear separately, and according to the same sex of magnet piece repel each other, principle of opposite sex attraction wheel current control is installed on the magnet piece on the same swing control switch 13 on the fixing frame 1, make the 13 upper and lower slips of swing control switch, and then the forward and backward of control DC speed-reducing 41.Angle theta between two haptic elements (29,32) is the angle of oscillation of fan head, because this angle can be regulated arbitrarily, so the angle of oscillation of fan head can freely be selected, according to actual conditions, this angle is set to 90 °～350 °.
The swing function of fan is realized by control swing platform 5 by the swing control system that is independent of fan head.The swing control system is made of wobble drive part 2 and circuit control section.Wobble drive part 2 comprises DC speed-reducing 41, driving gear 40 and from nutating gear 39 initiatively, the rotating speed of DC speed-reducing 41 is 10r/min, initiatively driving gear 40 is 5: 1 with velocity ratio from nutating gear 39, be installed in by pin in the rotating shaft 8 of swing platform 5 from nutating gear 39, then may command swing platform 5 swings back and forth or rotary oscillation with the speed of 2r/min.From nutating gear 39 by interior ring 43 and gear formations such as (42), interior ring 43 is provided with arc boss 46, gear 42 inside are equipped with pressure spring 45 and small ball 44, its objective is and guarantee between interior ring 43 and the gear 42 certain resistance is arranged, less than certain change apart from the time, ring is 43 relative motionless with gear 42 in making, and greater than certain commentaries on classics apart from the time, it can be relatively rotated.Can avoid fan head the time to be stuck for a certain reason and to driving gear (39 like this in swing, 40) and the damage that caused of DC speed-reducing 41, promptly when fan head is stuck, transfer to around interior ring 43 rotations, cause DC speed-reducing 41 also to be stuck and be unlikely from nutating gear 39; Simultaneously, also can slow down fan head in when swing because anxious backswing is moving to the inertia impact effect of driving gear (39,40) and motor 41.The circuit control section comprises swing enable switch 20, rotary control switch 19, swing control switch 13 and power supply adaptor 47 etc., swing enable switch 20 and rotary control switch 19 are installed on the fan control panel 6 and by manual and control, swing control switch 13 is by two haptic elements (29 on the angle regulator 4,32) control automatically, the effect of power supply adaptor 47 is with 220 volts alternating voltage step-down and is rectified into 12 volts VDC, uses for DC speed-reducing 41.
Lead between fan head and the control panel 6 adopts conducting slip ring 3 to be connected.Conducting slip ring 3 is made of outer shroud 35 and interior ring 36, and outer shroud 35 is furnished with brush 38, and interior ring 36 is furnished with collecting ring 37, and outer shroud 35 can relatively rotate with interior ring 36, can be set as 3 line systems or 5 line systems according to the conducting slip ring 3 that requires of side circuit.Outer shroud 35 is fixed on the floor 16 of fixing frame 1, and interior ring 36 is fixed in the rotating shaft 8 of swing platform 5.
The control panel 6 of fan is to increase a swing enable switch 20 and a rotary control switch 19 on the basis of existing fan control panel, and all the other functions have regularly and transfer the files etc.Can select to allow fan carry out freely swinging back and forth or surpass 350 ° rotary oscillation in 90 °～350 ° scopes by manual control swing enable switch and rotary control switch, and swing back and forth and rotary oscillation is independent of each other.
The beneficial effects of the utility model are: that can not only carry out in 90 °～350 ° scopes that angle can freely select swings back and forth, and can also surpass 350 ° rotary oscillation simultaneously, and simple and reliable for structure, easy and safe to operate.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified
Fig. 1 is the cut-away view of the main improvement part of this free pendulum fan.
Fig. 2, Fig. 3 are the overall appearance figure of the main improvement part of this free pendulum fan.
Fig. 4 is the structural drawing of swing platform among Fig. 1.
Fig. 5 is the structural drawing of fixing frame among Fig. 1.
Fig. 6 is the External view of control panel among Fig. 2.
Fig. 7 is a sectional arrangement drawing of swinging platform and fixing frame among Fig. 1.
Fig. 8 is the structural drawing of angle regulator among Fig. 1.
Fig. 9 is the schematic representation of angle theta between haptic element and the haptic element among Fig. 8.
Figure 10 is a haptic element and the action principle figure that swings control switch among Fig. 8.
Figure 11 is the schematic representation of the indicated pendulum angle θ of knob among Fig. 8.
Figure 12 is the External view of conducting slip ring among Fig. 1.
Figure 13 is the cut-away view of conducting slip ring among Figure 12.
Figure 14 is the schematic diagram of wobble drive part among Fig. 1.
Figure 15 is from the sectional view of nutating gear among Figure 14.
Figure 16 is the schematic diagram of swing control system circuit control section in this free pendulum fan.
Embodiment
In the example of Fig. 6, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 14 and Figure 16, when fan work, press the swing enable switch 20 on the control panel 6, can start the swing function of fan.Direction (seeing Figure 11) rotary knob 26 along the angle increase, angle gear 33 will rotate (see figure 9) in the counterclockwise direction, and angle gear 28 will be along clockwise direction with unequal angular velocity ω rotation (see figure 9), be fixed on angle gear (28 thereby make, 33) haptic element 29 on and the angle theta between the haptic element 32 increase, otherwise reduce.θ promptly is the pendulum angle of fan.Angle theta between two haptic elements (29,32) directly is marked on the round boss 10 of swing platform 5 outer covers, and by 34 indications of the angle indicating arrow on the knob 26.According to actual conditions, angle of oscillation θ is located between 90 °～350 °.Two haptic elements (29,32) are separately installed with small magnet piece (30,31), and what work on the haptic element 29 is the N utmost point of magnet piece 30, and what work on the haptic element 32 is the S utmost point of magnet piece 31.Two haptic elements are with 5 rotations of swing platform, when haptic element 29 when solid line direction (see figure 10) rotates to swing control switch 13 tops, both attract each other under the interaction of magnet piece, then swinging control switch 13 upwards slides, turning circuit is just changeing DC speed-reducing 41, control swing platform 5 drives two haptic elements (29,32) along dotted line direction (see figure 10) positive rotation.In like manner, when haptic element 32 when dotted line line direction (see figure 10) rotates to swing control switch 13 tops, both are mutually exclusive under the interaction of magnet piece, then swing control switch 13 to lower slider, turning circuit makes DC speed-reducing 41 counter-rotatings, control swing platform 5 drives two haptic elements (29,32) along the despining of solid line direction (see figure 10).So repeatedly, its effect promptly shows as swinging back and forth of fan.When pressing rotary control switch 19, with disconnecting the circuit of swing control switch 13 controls, it is just being changeed and continue conducting motor 41, drive swing platform 5 along dotted line direction (see figure 10) positive rotation, thereby realize the rotary oscillation of fan.Interaction between haptic element (29,32) and the swing control switch 13 is at this moment still proceeded, but owing to the circuit of swing control switch 13 controls disconnects, inoperative to DC speed-reducing 41.When Spin Control 19 switches of upspringing, gain when allowing fan swing back and forth, fan will swing back and forth automatically by original selected angle, and promptly the rotary oscillation of fan is independent of each other with swinging back and forth.
Claims (3)
1. the oscillator device of a free pendulum electric fan, it is characterized in that: formation comprises swinging unit and circuit control two-part, swinging unit is made up of swing platform (5), fixing frame (1), angle regulator (4), wobble drive part (2) and conducting slip ring (3), wherein:
Swing platform (5) is made up of oscillating platform (11) and rotating shaft (8), one bearing (12) that fan head and pitch angle controlling mechanism can be installed is set on the oscillating platform (11), rotating shaft (8) inside is provided with a slightness hole (21), and in position has side opening (9) and cross-drilled hole (7);
Fixing frame (1) housing designs becomes cuboid shape, there is deep floor its inside, and floor is provided with bearing hole (14,17) and through hole (15), a wherein side of shell is a movable side cover, be fan control panel (6), the connecing hole (18) and can connect desk-top (or floor model) base of shell bottom;
Angle regulator (4) is made of knob (26), bevel reduction gear set (27,28,33), haptic element (29,32) and magnet piece (30,31), is installed in the rotating shaft (8) of swing platform (5), and is whole with swing platform (5) swing; Bevel reduction gear set comprises two angle gears (28,33) and a knob gear (27), angle gear is by bearing (22,23) be installed in the rotating shaft (8) of swing platform (5), knob gear (27) meshes with two angle gears (28,33) respectively, when it rotates, control two angle gears (28,33) constant speed rotation in opposite direction, haptic element comprises N utmost point haptic element (29) and S utmost point haptic element (32), two haptic elements (29,32) be individually fixed on two angle gears (28,33), rotate with angle gear separately;
Wobble drive part (2) comprises DC speed-reducing (41), driving gear (40) and from nutating gear (39) initiatively, constitute by gear (42), interior ring (43), small ball (44) and pressure spring (45) from nutating gear (39), gear (42) inside is equipped with small ball (44) and pressure spring (45), evenly be furnished with arc boss (46) on the interior ring (43), guaranteeing has certain resistance between gear (42) and the interior ring (43);
Conducting slip ring (3) is made of outer shroud (35) and interior ring (36), and outer shroud (35) is furnished with brush (38), and interior ring (36) is furnished with collecting ring (37), and outer shroud (35) can relatively rotate with interior ring (36);
The circuit control section comprises swing enable switch (20), rotary control switch (19), swing control switch (13) and power supply adaptor (47), swing enable switch (20) and rotary control switch (19) are installed on fan control panel (6) and upward and by manual control, swing control switch (13) is installed on fixing frame (1) and goes up by two haptic elements on the angle regulator (4) (29,32) control automatically, and power supply adaptor (47) provides 12 volts VDC for control circuit.
2. the oscillator device of free pendulum electric fan according to claim 1 is characterized in that: the rotating speed of DC speed-reducing (41) is 10r/min, and initiatively driving gear (40) is 5: 1 with velocity ratio from nutating gear (39).
3. the oscillator device of free pendulum electric fan according to claim 1 is characterized in that: knob gear (27) meshes with two angle gears (28,33) respectively, and velocity ratio respectively is 2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420013536 CN2756874Y (en) | 2004-12-29 | 2004-12-29 | Free rocking electric fan rocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420013536 CN2756874Y (en) | 2004-12-29 | 2004-12-29 | Free rocking electric fan rocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2756874Y true CN2756874Y (en) | 2006-02-08 |
Family
ID=35965261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420013536 Expired - Fee Related CN2756874Y (en) | 2004-12-29 | 2004-12-29 | Free rocking electric fan rocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2756874Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255875B (en) * | 2007-02-27 | 2011-08-24 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device capable of oscillating |
| CN106968976A (en) * | 2017-06-07 | 2017-07-21 | 白可可 | A kind of oscillating fan |
| CN107846829A (en) * | 2017-12-18 | 2018-03-27 | 无锡优耐特能源科技有限公司 | The support of installation fan in a kind of rack |
| CN112197409A (en) * | 2020-09-23 | 2021-01-08 | 刘中恕 | Electricity-free central air conditioner wind direction adjusting device |
-
2004
- 2004-12-29 CN CN 200420013536 patent/CN2756874Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255875B (en) * | 2007-02-27 | 2011-08-24 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device capable of oscillating |
| CN106968976A (en) * | 2017-06-07 | 2017-07-21 | 白可可 | A kind of oscillating fan |
| CN107846829A (en) * | 2017-12-18 | 2018-03-27 | 无锡优耐特能源科技有限公司 | The support of installation fan in a kind of rack |
| 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 |