CN2189227Y - Mechanism for adjusting oscillating degree of electric fan - Google Patents
Mechanism for adjusting oscillating degree of electric fan Download PDFInfo
- Publication number
- CN2189227Y CN2189227Y CN 93245383 CN93245383U CN2189227Y CN 2189227 Y CN2189227 Y CN 2189227Y CN 93245383 CN93245383 CN 93245383 CN 93245383 U CN93245383 U CN 93245383U CN 2189227 Y CN2189227 Y CN 2189227Y
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000004091 panning Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 14
- 230000006870 function Effects 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009711 regulatory function Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 208000007103 Spondylolisthesis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a mechanism for adjusting oscillating angles of an electric fan, which adopts a domestic oscillating electric fan with a double-rocker swinging mechanism, so that the utility model has a function for adjusting the oscillating angles and a natural wind simulating function with continuous, periodical and gradual change oscillating angles. The utility model is characterized in that a driving connecting rod which has adjustable length and can conduct circular motion is composed of differential gears which can be changed and engaged, and a crank swinging block device thereof. The utility model has the advantages of simple structure, good versatility and simple adjusting method, and is suitable for entering a mechanical production line for assembling. As long as a knob which is positioned on a control panel of the electric fan or a regulating button which is positioned on the exterior of a cover casing of the electric fan is operated, the regulation can be carried out.
Description
The technical field that the utility model relates to provides a kind of electric fan panning angle controlling mechanism.
As everyone knows, present family expenses oscillating fan can only back and forth be shaken the head with certain constant pivot angle, and promptly the panning angle of electric fan cannot be regulated.This family expenses oscillating fan generally adopts the double rocking lever swinging mechaism that electric fan is shaken the head, since as the motor body of rocking bar, as the angle scale of frame and as the panning gear of drive connecting rod and with the bar length of the hinged rocking bar of panning gear all be changeless, thereby the pivot angle of electrical axis is that the panning angle of electric fan also is changeless.In use, this oscillating fan or by the air-supply of repeatedly shaking the head of certain constant pivot angle machinery, otherwise directed the air-supply do not shake the head, and do not have other choice.For example, when a people uses electric fan, the panning angle of always wishing fan is less, only to the air-supply of shaking the head of the scope at user place, when the number of use occasion more for a long time, wish to change the panning angle of electric fan again in good time, make electric fan shake the head air-supply to satisfy different on-the-spot needs with a bigger pivot angle; When the air-supply of shaking the head that repeats when electric fan machinery was made us not feeling well, people wished that again its panning angle can constantly change voluntarily and produces the effect of natural wind.Yet all can not realize.Obviously, the deficiency of present family expenses oscillating fan is that panning angle cannot regulate, and lacks a kind of convenient and practical and electric fan panning angle controlling mechanism that can be adaptive with the family expenses oscillating fan of present production.
The utility model purpose is to provide a kind of electric fan panning angle controlling mechanism for family expenses oscillating fan producer, make the function of oscillating fan product more become perfect, improve the performance of electric fan, for the user provides panning angle regulatory function and panning angle cycle gradual change natural wind simulating function, satisfy Consumer's actual demand simultaneously.
Characteristics of the present utility model are to constitute the length-adjustable drive connecting rod of making garden Zhou Yundong in the double rocking lever swinging mechaism by the duplicate gear of the parallel convertible engagement of diaxon and built-up gear, and promptly coaxial setting constitutes built-up gear by the crank of stacked three cylindrical gear of straight tooth and axle head and with the lower floor eccentric hinged centering block of gear.The axle sliding fit of built-up gear is arranged in the bearing of former panning gear axle.The duplex cylindrical gear of straight tooth that wide formula is arranged is fixed on the lower end of transmission shaft, and transmission shaft is provided with in former bearing, still by the worm gear drives of former speed reduction gearing, and can controlled axial slip.Duplicate gear is the engagement of conversion and built-up gear with the transmission shaft axial slip, makes running of built-up gear differential or run-in synchronism.When the upper strata of built-up gear gear and lower floor's gear during by the duplicate gear differential drive, the crank of built-up gear lower end and centering block are because of the slip relative movement, thereby make the centering block swing, the just cyclically-varying within the specific limits of the hinge pin of centering block lower end and the throw of eccentric of built-up gear, be that drive connecting rod length changes, thereby in electric fan is shaken the head the air-supply process, make the continuous cyclically-varying of panning angle; When in the built-up gear, lower floor's gear is all with the engagement of the lower gear of duplicate gear during run-in synchronism, crank and centering block can not relative movement, make drive connecting rod can be locked in arbitrary extension position in its length change scope, electric fan is promptly set up in the operation of shaking the head of corresponding panning angle.
Because the upper strata gear and the middle level gear of built-up gear and crank is all coaxial connects firmly, and the coaxial cunning of lower floor's gear is joined, and axially play is arranged, thereby lower floor's gear can rotate with respect to axle and crank; Because centering block and lower floor's gear off-centre are hinged, thereby the relatively rotating of crank and lower floor's gear, promptly be converted into the relative movement of crank and centering block, and because the chute effect of the pin handle of crank and centering block is swung centering block.Crank also works to make lower floor's gear axial limiting.Since duplicate gear can be by regulation and control axial slip and resetting, duplicate gear can have two kinds of engagements with the combination gear, when the downward slippage of duplicate gear, mesh respectively with the upper and lower layer gear of built-up gear, do not form differential drive because of the velocity ratio of two pairs of gear engagement does not wait, make between the upper and lower layer gear of built-up gear and produce slip; When duplicate gear makes progress reduction of spondylolisthesis, after its upper strata gear with built-up gear of cogging breaks away from, the lower gear of duplicate gear just with middle level and lower floor's gear engagement of built-up gear, make built-up gear and axle run-in synchronism.Since the spacing of duplicate gear greater than the width of the upper strata of built-up gear and middle level gear and, so duplicate gear is in the slippage conversion process, can be not simultaneously not causing mechanism with the upper strata of built-up gear and middle level gear engagement can't rotate.So just can by regulation and control duplicate gear slippage and reset, make running of built-up gear differential or run-in synchronism respectively, be the length cyclically-varying of drive connecting rod or lock constant, thereby in electric fan is shaken the head running, realize electric fan panning angle periodically gradual change or adjusting.The utility model is for original other function of electric fan, all do not have obstruction as the orientation air-supply function of electric fan etc.
The utility model compared with prior art has the following advantages:
One, convenient and practical: this controlling mechanism makes the family expenses oscillating fan possess panning angle regulatory function and natural wind simulating function, makes the function of family expenses oscillating fan further perfect, and provides utility function for the Consumer.This controlling mechanism utilizes the original speed reducer transmission of electric fan, in electric fan is shaken the head running, only needs the knob on the turn electric fan control panel or directly pushes away the adjusting knob that pulls out motor case outside, adjusting axle is moved down or reset to get final product.Regulating method is very easy, is easy to penetration and promotion.
Two, simple and reliable: because the design of this controlling mechanism fully takes into account the existing modular in design of family expenses oscillating fan, do not change the basic structure of electric fan, do not increase power plant, directly utilize the transmission of former speed reducer, thereby make mechanism simplifying, cost is lower.The differential gear of the convertible engagement of this controlling mechanism and crank centering block device thereof, both possessed necessary body function, make entire mechanism simply compact again, can be adaptive with the basic structure of electric fan preferably, also make the gradual period of panning angle when design, range of choice fully be arranged simultaneously, because the part that this controlling mechanism uses is less, major part only is made of gear, crank, centering block, and all be low cruise, thereby reliable performance, stablize durable.
The utility model is provided by the following drawings:
Fig. 1 is the overall pattern of panning angle controlling mechanism when on transmission shaft duplicate gear being set.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the phase diagram of Fig. 2 when drive connecting rod transfers to the minimum length position.
Fig. 4 is the phase diagram of Fig. 2 when drive connecting rod transfers to the extreme length position.
The phase diagram of duplicate gear and built-up gear engagement when Fig. 5 is panning angle cycle gradual change.
Panning angle controlling mechanism overall pattern when Fig. 6 is arranged at adjusting axle for duplicate gear.
With reference to Fig. 1-6, the utility model relates to a kind of panning angle controlling mechanism that is suitable for the family expenses oscillating fan, mainly constitute by built-up gear and duplicate gear and control section, it is characterized in that: built-up gear is formed by the crank 13 of the upper strata gear 5, middle level gear 6, lower floor's gear 7 and the axle head that are provided with in axle 4 lower ends and with lower floor gear 7 eccentric hinged centering blocks 14, and 4 sliding fit of built-up gear are arranged in the copper sheathing bearing 3 of the former panning gear axle of electric fan.The upper strata gear 5 of built-up gear and middle level gear 6 and crank 13 all coaxial 4 connect firmly, and a lower floor's gear 7 and axle 4 sliding fits make lower floor's gear 7 to rotate with respect to axle 4 and crank 13, also make lower floor's gear 7 axial limitings simultaneously; The width of lower floor's gear 7 generally should equal middle level gear 6 and upper strata gear 5 width and, centering block 14 is by eccentric fixing pin 8 sliding fits of the copper sheathing 9 that connects firmly on it with lower floor's gear 7, and it is spacing by spring clip 10, the effect of copper sheathing 9 is in order to improve the working stability of centering block 14, centering block is provided with chute and the hinge pin 12 hinged with rocking bar 11, and crank 13 is by chute and centering block effect.Hinge pin 12 equals the throw of eccentric of eccentric fixing pin 8 to lower floor's gear 7 to the centre distance of copper sheathing 9, purpose is when centering block is swung, hinge pin 12 can be by the center of built-up gear with the movement locus of centering block swing, hinge pin 12 equals the length of crank to the vertical centre distance of chute, and be half of maximum length of connecting rod, so that the length minimum of connecting rod can transfer to zero, maximum adjustable is to maximum length of connecting rod.Duplicate gear by cog 16 and lower gear 15 constitute, connect firmly the lower end that is arranged at transmission shaft 17, transmission shaft is driven by the worm gear 20 of electric fan reducing gear, and can controlled axial slip, make duplicate gear and built-up gear that two kinds of engagements be arranged accordingly, promptly when the controlled downward slippage of transmission shaft 17, duplicate gear cog 16, lower gear 15 respectively with the upper strata gear 5 and the 7 corresponding engagements of lower floor's gear of built-up gear, and because the velocity ratio of two pairs of gear engagement does not wait and differential drive, make upper strata gear 5 and lower floor's gear 7 of built-up gear produce slip, be the running of crank 13 and lower floor's gear 7 differentials, make crank 13 and centering block 14 relative movement and drive centering block to make periodic wobble greater than the rotation period of lower floor's gear 7.The hinge pin 12 of centering block lower end just constantly changes to the throw of eccentric of built-up gear thereupon, length change periodically takes place in zero between maximum length of connecting rod in the drive connecting rod that is double rocker mechanism, thereby the panning angle of electric fan is periodically changed, and electric fan reaches the effect of natural wind simulating; When moving on the transmission shaft 17 when resetting, duplicate gear cog 16 break away from the upper strata gear 5 of built-up gear after, the middle level gear 6 that the number of teeth and modulus are all identical and lower floor's gear 7 be the run-in synchronism with lower gear 15 engagements of duplicate gear all, crank 13 and centering block 14 can not relative movement, make drive connecting rod can be locked in arbitrary extension position in its excursion, electric fan can be set up in the operation of shaking the head of corresponding panning angle.Since the spacing of duplicate gear be a bit larger tham the upper strata gear 5 of built-up gear and middle level gear 6 width and, thereby duplicate gear can can't rotate mechanism because of meshing with upper strata gear 5 and middle level gear 6 simultaneously in the process of slippage conversion and built-up gear engagement.The slippage control section of duplicate gear is realized the slippage and the location that resets of transmission shaft 17 by forming by the garden arc-shaped ring groove of certain intervals and at spring 19 and steel ball 18 that casing 2 upper edge transmission shafts radially are provided with on fixing button 21 that is located at transmission shaft 17 ends and the axle.
Duplicate gear also can connect firmly or the sliding fit setting in the lower end of the adjusting axle parallel with transmission shaft that is provided with separately, and can and reset with the adjusting axle slippage, the slippage controlling method of adjusting axle is identical with the slippage controlling method of transmission shaft, in addition, can also realize the slippage of adjusting axle and the location that resets by reaching on gear box cover, to be provided with by plain washer and the spacing Returnning spring of spring clip with the effect of adjusting axle top and by the depression bar that wire soft shaft is controlled in setting on the adjusting axle.Situation when two kinds of engagements of the duplicate gear of controlled slip and built-up gear and duplicate gear are arranged at transmission shaft is identical.And forms differential drive owing to two pairs of transmission engage ratio of the upper strata gear of built-up gear and lower floor's gear and duplicate gear engagement long-pending is not equal to 1, make the upper and lower layer gear generation slip of built-up gear.
This controlling mechanism does not change shaking the head the cycle of electric fan, does not hinder original other function of electric fan.Change drive connecting rod length by the change wheel engagement, the rocking bar pivot angle is changed, thereby realize electric fan panning angle periodically gradual change natural wind simulating function and panning angle regulatory function.For make electric fan obtain comparatively ideal natural wind effect and can timely adjustment the electric fan panning angle, the cycle of shaking the head of general power taking fan and the ratio T/T ' in the cycle of drive connecting rod length change 1/3～2/3 are advisable.
According to the set-up mode difference of duplicate gear, T/T ' is formulated respectively:
When duplicate gear is provided with on transmission shaft:
T／T′＝i1－i2（i1≠i2）
When duplicate gear is provided with on transmission shaft:
T／T′＝i1－i2－1（i1·i2≠i1）
In last two formulas, the shaking the head the cycle of T---electric fan
T '--the cycle of drive connecting rod length change
The velocity ratio with the upper strata gear engagement of built-up gear of cogging of i1--duplicate gear
The velocity ratio of lower floor's gear engagement of the lower gear of i2--duplicate gear and built-up gear
In the present embodiment, the middle level gear 6 of built-up gear is all identical with modulus with the number of teeth of lower floor gear 7.
Claims (5)
1, a kind of electric fan panning angle controlling mechanism, it is characterized in that constituting by the duplicate gear and the built-up gear of the parallel convertible engagement of diaxon, but described duplicate gear is the straight toothed spur gear that the wide formula of axial slip is arranged, and is arranged at the electric fan transmission shaft or the lower end of the adjusting axle that is provided with separately; The axle of described built-up gear is arranged in the bearing hole of electric fan panning gear axle, and this built-up gear constitutes by the coaxial crank that stacked three straight toothed spur gears and axle head be set and with the hinged centering block of the eccentric fixing pin of its lower floor's gear.
2, electric fan panning angle controlling mechanism according to claim 1 is characterized in that the upper strata gear that cogs with built-up gear of described duplicate gear is engageable corresponding gear; The lower gear of duplicate gear and the middle level of built-up gear and lower floor's gear are engageable corresponding gear.
3, electric fan panning angle controlling mechanism according to claim 1, the crank that it is characterized in that upper strata gear, middle level gear and the axle head of built-up gear all connects firmly with axle, lower floor's gear and axle sliding fit, and play is arranged axially, the eccentric fixing pin of centering block and lower floor's gear is hinged, centering block is provided with the chute with the crank effect, and the lower end of centering block is provided with the hinge pin hinged with the electric fan rocking bar.
4, electric fan panning angle controlling mechanism according to claim 1, two couples of transmission engage ratio i1 that it is characterized in that the duplicate gear and the upper strata gear of built-up gear mesh respectively and the relation of i2 are respectively according to the different of set-up mode of duplicate gear: when duplicate gear is arranged on the transmission shaft, and i1 ≠ i2; When duplicate gear is arranged on the adjusting axle, i1i2 ≠ 1.
5, electric fan panning angle controlling mechanism according to claim 1, the middle level gear that it is characterized in that described built-up gear is all identical with modulus with the number of teeth of lower floor's gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93245383 CN2189227Y (en) | 1993-11-21 | 1993-11-21 | Mechanism for adjusting oscillating degree of electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93245383 CN2189227Y (en) | 1993-11-21 | 1993-11-21 | Mechanism for adjusting oscillating degree of electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2189227Y true CN2189227Y (en) | 1995-02-08 |
Family
ID=33818346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93245383 Expired - Fee Related CN2189227Y (en) | 1993-11-21 | 1993-11-21 | Mechanism for adjusting oscillating degree of electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2189227Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927723A (en) * | 2016-06-30 | 2016-09-07 | 广东美的环境电器制造有限公司 | Fan gear box and oscillating fan |
| CN106763611A (en) * | 2017-03-27 | 2017-05-31 | 李鸿凯 | A kind of fan head swinging multi-angle adjusts gear-box |
| CN106838270A (en) * | 2017-03-22 | 2017-06-13 | 李力光 | A kind of fan gear housing |
| CN110274201A (en) * | 2019-04-18 | 2019-09-24 | 威海市周识工艺品有限公司 | A kind of rotatable Crystal lamp |
-
1993
- 1993-11-21 CN CN 93245383 patent/CN2189227Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927723A (en) * | 2016-06-30 | 2016-09-07 | 广东美的环境电器制造有限公司 | Fan gear box and oscillating fan |
| CN105927723B (en) * | 2016-06-30 | 2019-08-20 | 广东美的环境电器制造有限公司 | Fan Gear Box and Oscillating Fan |
| CN106838270A (en) * | 2017-03-22 | 2017-06-13 | 李力光 | A kind of fan gear housing |
| CN106763611A (en) * | 2017-03-27 | 2017-05-31 | 李鸿凯 | A kind of fan head swinging multi-angle adjusts gear-box |
| CN110274201A (en) * | 2019-04-18 | 2019-09-24 | 威海市周识工艺品有限公司 | A kind of rotatable Crystal lamp |
| CN110274201B (en) * | 2019-04-18 | 2020-08-14 | 绍兴玖越智能装备有限公司 | A rotatable crystal lamp |
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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 |