CN101839250A - Oscillating mechanism of electric fan - Google Patents

Oscillating mechanism of electric fan Download PDF

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Publication number
CN101839250A
CN101839250A CN 201010196289 CN201010196289A CN101839250A CN 101839250 A CN101839250 A CN 101839250A CN 201010196289 CN201010196289 CN 201010196289 CN 201010196289 A CN201010196289 A CN 201010196289A CN 101839250 A CN101839250 A CN 101839250A
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China
Prior art keywords
head
gear
oscillating mechanism
shaking
link
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Pending
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CN 201010196289
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Chinese (zh)
Inventor
刘世标
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Midea Group
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Midea Group
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Priority to CN 201010196289 priority Critical patent/CN101839250A/en
Publication of CN101839250A publication Critical patent/CN101839250A/en
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Abstract

The invention relates to an oscillating mechanism for an electric fan, which comprises a motor, a gear box, an oscillating mechanism shell and a rack, wherein the motor arranged in the oscillating mechanism shell is fixed on the rack and is connected with the gear box through a connecting mechanism; the left and right oscillating mechanism comprises a rotating pin, a right guide rod, a left and right oscillating chute and a left guide rod, the rotating pin is connected to the rack, one end of the right guide rod and one end of the left guide rod are respectively connected to the rotating pin, the other end of the right guide rod and the other end of the left guide rod are respectively inserted into the left and right oscillating chute, and a left and right oscillating crank connected to the gear box is connected with the left and right oscillating chute. The invention has the advantages of obvious function effect, simple structure, reliable transmission and low cost.

Description

A kind of electric fan oscillating mechanism
Technical field
The invention belongs to a kind of head-shaking device, particularly relate to a kind of single power source composite oscillating mechanism that is used for electric fan.
Background technique
At present existing common electrical fan head swinging mechanism only provides the motion of shaking the head about head part, pitching movement can only be moved the fan head by craft, the gear-box of this electric fan oscillating mechanism only provides one group of gearing down, realizing shaking the head about single by fourbar linkage. the defective that this fan exists is the blowing that a direction can only be provided, and is difficult to bring whole body nice and cool to the people
Existing can provide simultaneously shake the head up and down and about the mechanism of shaking the head; basically be adopt two synchronous machines to drive two groups of fourbar linkages respectively and realize shaking the head up and down and about shake the head; the shortcoming of this mechanism maximum is that manufacture cost is too high; two synchronous machines cost an arm and a leg; and driving force requires high; there is not overload protection again; when process middle fan head is ordered about by external force if shake the head; the synchronous machine reduction gear damages easily, and occurs the synchronous machine stall easily and cause temperature rise too high and cause potential safety hazard.
Summary of the invention
The present invention is based on and solves a kind of simple in structure that above-mentioned technological deficiency provides with deficiency, reliable transmission, the oscillating mechanism that is used for electric fan with low cost.The present invention makes electric fan shake the head or shake the head up and down about can be individually, shake the head and shake the head up and down about again can be simultaneously.Because it is simple in structure, be easy to make, so processing cost is low, less expensive, its can be simultaneously about and the function of shaking the head up and down omnibearing blowing can be provided, bring the nice and cool of whole body to the people, in addition, the present invention also greatly reduces rate of fault and potential safety hazard with respect to the product of similar functions.
A kind of electric fan oscillating mechanism disclosed in this invention, comprise motor, gear-box, oscillating mechanism shell and frame, the motor that wherein is installed in the oscillating mechanism shell is fixed on the frame, and be connected with gear-box by bindiny mechanism, the two ends of oscillating mechanism are connected with frame with gear-box respectively up and down, the two ends of left and right sides oscillating mechanism are connected with frame with gear-box respectively, wherein oscillating mechanism comprises fitting seat up and down, shake the head the up and down connecting rod and the crank of shaking the head up and down, the two ends of the connecting rod of shaking the head up and down respectively be fixed on frame on fitting seat be connected with the crank of shaking the head up and down in being installed in gear-box; Left and right sides oscillating mechanism comprise roll pin, right guide rod, about shake the head chute and left guide rod, roll pin is connected on the frame, one end of right guide rod and left guide rod is connected on the roll pin, shake the head about the other end inserts respectively in the chute, be connected on the gear-box about shake the head crank with about the chute of shaking the head be connected.
Described frame comprises connecting head, setting sleeve, swinging mounting, pressure spring, positioning bead, bearing support back-up ring, bearing support lasso and first link, wherein connecting head is connected with swinging mounting by setting sleeve, pressure spring is installed in the hole on the connecting head, positioning bead one end is installed in another hole of connecting head, the level that the other end relies on the power of pressure spring tightly to be fitted in setting sleeve is shaken the head in the position regulation hole, as long as a little firmly the rotating position cover allows positioning bead turn in another spacing hole of setting sleeve, just can change the blowing range of entire mechanism.Swinging mounting is the U type, and built-in bearing support back-up ring of the mounting hole at its two ends and bearing support lasso are installed in motor on the swinging mounting by the 5th link.Wherein setting sleeve is directly installed in the connecting head by the cooperation of hole axle, and swinging mounting is directly installed in the setting sleeve by the cooperation of hole axle, and packing at connecting head, locating piece makes setting sleeve, swinging mounting can only be around the center hole rotation of connecting head.
Described left and right sides oscillating mechanism also comprises adjusting washer (disk), split washer, pressure spring and link, shake the head about wherein adjusting washer (disk) is contained on the eccentric shaft of crank, wherein an end face with about the shake the head eccentric shaft of crank be connected end face and fit, the other end with about the shake the head end face of chute fit, about shake the head in the chute two holes respectively with left guide rod, the axle of right guide rod cooperates, about the chute of shaking the head can be free to slide along left guide rod and right guide rod, a pressure spring end wherein is contained in the hole of setting sleeve, the other end is contained on the axle of left guide rod correspondence, on the crank of shaking the head about the elastic force by pressure spring tightly is fitted in whole left and right sides oscillating mechanism constantly.
Crank one end of shaking the head about described is installed on the transmission large straight gear of gear-box, end face compresses by the link connection, about shake the head and shake the head about the eccentric shaft of crank is stuck in the chute, about the shake the head end face of eccentric shaft of crank connect by link, shake the head about in the oscillating mechanism of the left and right sides crank about shake the head in the chute can be around the center rotation of large straight gear, again can about the slide relative in the chute of shaking the head; Left side guide rod is contained in the setting sleeve by roll pin, and wherein an end face and roll pin end face are fitted, and the end face of other end and setting sleeve is fitted; Right guide rod is contained in the setting sleeve by roll pin, and wherein an end face and split washer end face are fitted, and the end face of other end and setting sleeve is fitted.About shake the head chute in left guide rod and right guide rod can about shake the head and move forward under the thrust of crank, thereby again can about shake the head crank go back in about the crank of shaking the head retreat under driving entire mechanism resetted.
The linkage mechanism of shaking the head about in the oscillating mechanism of the described left and right sides can rotate around the center of roll pin in the oscillating mechanism motion up and down, and the luffing angle of adjusting left and right sides oscillating mechanism at any time is to satisfy the motion requirement of whole oscillating mechanism.
Described up and down oscillating mechanism also comprises link, be used for connecting shake the head up and down connecting rod one end and fitting seat be connected shake the head up and down the connecting rod the other end and the crank of shaking the head up and down.Fitting seat is assembled on the swinging mounting of entire mechanism, fix with link and swinging mounting, connecting rod one end of shaking the head up and down is installed on the fitting seat, one end is installed on the eccentric shaft of the crank of shaking the head up and down that rotates, the crank of shaking the head up and down is installed on the gear housing, it be crank be again bevel gear wheel, bevel pinion passes the power the come eccentric shaft by bevel gear wheel (crank of promptly shaking the head up and down) and passes to the connecting rod of shaking the head up and down.
Described bindiny mechanism comprises connection seat, locating stud, first link and second link, wherein first link is fixed on the connection seat on the motor, locating stud is used for the rigging position of locating tooth roller box, to guarantee the accurate of rigging position, second link is used for fixing the connection gear case.
Described gear-box comprises casing, the controlling rod of shaking the head up and down, large straight gear, small Spur gear, bevel pinion, bevel gear wheel, side end cap, upper end cap, first takes out button, second takes out button, first helical gear, second helical gear, the back cover connecting plate, the 3rd link and the 4th link, wherein second helical gear is installed on the axostylus axostyle of small Spur gear in casing, the upper end of small Spur gear axostylus axostyle connects second and takes out button, lower end and large straight gear engagement, first helical gear is installed on the axostylus axostyle of the controlling rod of shaking the head up and down, shake the head the up and down upper end of controlling rod axostylus axostyle connects first and takes out button, be installed in the bevel pinion and the bevel gear wheel engagement of axostylus axostyle below, side end cap is pressed on bevel gear wheel in the casing by the 3rd link, and upper end cap is pressed on first helical gear and second helical gear in the casing.The output shaft of motor is positioned at two helical gears and middle, simultaneously with these two helical gear engagements.
Described bevel gear wheel and the described crank of shaking the head up and down are combined as a whole.
Described two helical gears are to utilize clutch pressure spring, locking ball with small Spur gear with the controlling rod interlock mutually of shaking the head up and down respectively.
Described large straight gear axle head joint is a square, with have corresponding square hole about the crank of shaking the head be connected, both can be connected and fixed by screw.
Described oscillating mechanism shell comprises front casing and rear casing, and wherein front casing is installed on the front cover of motor, and the rear casing front end directly is inserted in the hole of motor front casing rear end correspondence, and fixedly connected by link.
The present invention is owing to adopted connecting rod (oscillating mechanism up and down) and slide crank groove mechanism (left and right sides oscillating mechanism), export two kinds of velocity ratios simultaneously by gear-box, drive connecting rod (oscillating mechanism up and down) and slide crank groove mechanism (left and right sides oscillating mechanism) respectively, it is simple in structure, reliable transmission, with low cost.
The present invention's design drives and exports two kinds of independently velocity ratios by the output shaft of motor in addition, connecting rod (oscillating mechanism up and down) and slide crank groove mechanism (left and right sides oscillating mechanism) realize respectively shaking the head up and down of fan head and about shake the head, two groups of outputs of gear-box are taken out button and second by first in the usual way respectively and are taken out button control.The present invention can shake the head electric fan independently up and down, shakes the head about again can be independently, can also shake the head up and down simultaneously simultaneously and about shake the head.When the fan head of electric fan was shaken the head simultaneously and shaken the head up and down, the front end that stands in the electric fan air-out saw that the movement locus of fan head presents " W " moulding.The present invention can provide omnibearing blowing, brings the nice and cool of whole body to the people, also greatly reduces rate of fault and potential safety hazard with respect to the product of similar functions.
Description of drawings:
Fig. 1 is an entire mechanism sectional view of the present invention;
Fig. 2 is a frame sectional view of the present invention;
Fig. 3 removes the front elevation of motor rear casing for entire mechanism of the present invention;
Fig. 4 is the right elevation of Fig. 3;
Fig. 5 is the left view of Fig. 3;
Fig. 6 is the plan view of Fig. 3;
Fig. 7 is bindiny mechanism of the present invention installation diagram (having removed the rear end gearbox parts, up and down oscillating mechanism and left and right sides oscillating mechanism);
Fig. 8 is the front elevation of gear-box of the present invention;
Fig. 9 is the right elevation of Fig. 8;
Figure 10 is the left view of Fig. 8;
Figure 11 is that the A of Figure 10 is to view;
Figure 12 is the plan view of Fig. 8;
Figure 13 is the B-B sectional view of Figure 12;
Figure 14 removes the axonometric drawing one of motor rear casing for entire mechanism of the present invention;
Figure 15 removes the axonometric drawing two of motor rear casing for entire mechanism of the present invention;
Figure 16 is the External view of shell before and after the motor of the present invention.
In above each figure:
The 1-motor, 2-bindiny mechanism, the 3-gear-box-, 4-oscillating mechanism shell, the 5-frame-, 6-is oscillating mechanism up and down, 7-left and right sides oscillating mechanism, 101-output shaft, 102-back end cover for motor, 103-motor front cover, 201-connection seat, 202-locating stud, 203-first link, 204-second link, 301-casing, the 302-controlling rod of shaking the head up and down, 303-large straight gear, 304-small Spur gear, the 305-bevel pinion, 306-bevel gear wheel (crank of shaking the head up and down), 307-side end cap, the 308-upper end cap, 309-first takes out button, 310-second helical gear, the 311-locking ball, 312-clutch pressure spring, 313-back cover connecting plate, 314-the 3rd link, 315-the 4th link, 316-second takes out button, 317-first helical gear, 401-front casing, the 402-rear casing, 403-the 7th link, 501-connecting head, 502-setting sleeve, the 503-swinging mounting, the 504-pressure spring, 505-positioning bead, 506-bearing support back-up ring, 507-bearing support lasso, 508-the 5th link, 601-fitting seat, the 602-connecting rod of shaking the head up and down, the 603-crank (bevel gear wheel) of shaking the head up and down, 604-the 6th link, 605-the 8th link, 701-roll pin, the right guide rod of 702-, the chute of shaking the head about 703-, the crank of shaking the head about 704-, 705-adjusting washer (disk), 706-left side guide rod, the 707-pressure spring, 708-split washer, 709-the 9th link.
Embodiment:
The present invention is described further below in conjunction with drawings and Examples.
The invention discloses a kind of electric fan oscillating mechanism, comprise motor 1, gear-box 3, oscillating mechanism shell 4 and frame 5, the motor 1 that wherein is installed in the oscillating mechanism shell 4 is fixed on the frame 5, and be connected with gear-box 3 by bindiny mechanism 2, the two ends of oscillating mechanism 6 are connected with frame 5 with gear-box 3 respectively up and down, and the two ends of left and right sides oscillating mechanism 7 are connected with frame 5 with gear-box 3 respectively.
Motor 1 comprises movement, motor front cover 103, back end cover for motor 102 and output shaft 101.
Bindiny mechanism 2 comprises connection seat 201, locating stud 202, first link 203 and second link 204, wherein first link 203 is fixed on connection seat 201 on the rear end cover 102 of motor 1, locating stud 202 is used for the rigging position of location and installation seat 201 on back end cover for motor 102, its excess-three hole on the fitting seat 201 is used for the rigging position of locating tooth roller box 3 on fitting seat 201, and second link 204 is used for fixing connection gear case 3.
Gear-box 3 comprises casing 301, the controlling rod 302 of shaking the head up and down, large straight gear 303, small Spur gear 304, bevel pinion 305, bevel gear wheel 306, side end cap 307, upper end cap 308, first takes out button 309, second takes out button 316, second helical gear 310, first helical gear 317, back cover connecting plate 313, the 3rd link 314 and the 4th link 315, wherein second helical gear 310 is installed on the axostylus axostyle of small Spur gear 304 in casing 301, the upper end of small Spur gear 304 axostylus axostyles connects second and takes out button 316, lower end and large straight gear 303 engagements, first helical gear 317 is installed on the axostylus axostyle of the controlling rod 302 of shaking the head up and down, shake the head the up and down upper end of controlling rod 302 axostylus axostyles connects first and takes out button 309, be installed in the bevel pinion 305 and bevel gear wheel 306 engagements of axostylus axostyle below, side end cap 307 is pressed on bevel gear wheel 306 in the casing 301 by the 3rd link 314, string was moving about it was not understood, upper end cap 308 is pressed on first helical gear 317 and second helical gear 310 in the casing 301, and it can not gone here and there up and down.The output shaft 101 of motor 1 is positioned at second helical gear 310 and helical gear 317 middles, simultaneously with second helical gear 310 and 317 engagements of first helical gear.Second helical gear, 310, the first helical gears 317 are to utilize clutch pressure spring 312, locking ball 311 and small Spur gear 304 respectively and shake the head controlling rod 302 interlock mutually up and down.
Oscillating mechanism shell 4 comprises front casing 401 and rear casing 402, and wherein front casing 401 is installed on the front cover 103 of motor 1, and rear casing 402 front ends directly are inserted in the hole of motor front casing 401 rear end correspondences, and connect by screw.
Frame 5 comprises connecting head 501, setting sleeve 502, swinging mounting 503, pressure spring 504, positioning bead 505, bearing support back-up ring 506, bearing support lasso 507 and the 5th link 508, wherein connecting head 501 is connected with swinging mounting 503 by setting sleeve 502, pressure spring 504 is installed in the hole on the connecting head 501, positioning bead 505 1 ends are installed in connecting head 501 another holes, the level that the other end relies on the power of pressure spring 504 tightly to be fitted in setting sleeve 502 is shaken the head in the position regulation hole, as long as a little firmly rotating position cover 502 allows positioning bead 505 turn in another spacing hole of setting sleeve 502, just can change the blowing range of entire mechanism, swinging mounting 503 is the U type, built-in bearing support back-up ring 506 of the mounting hole at its two ends and bearing support lasso 507 are installed in motor 1 on the swinging mounting 503 by connecting the 5th link 508.Setting sleeve 502 is directly installed in the connecting head 501 by the cooperation of hole axle; Swinging mounting 503 is directly installed in the setting sleeve 502 by the cooperation of hole axle, is screwed into positioning screwn at connecting head setting sleeve 502, swinging mounting 503 can only be rotated around the center hole of connecting head 501.
Oscillating mechanism 6 comprises fitting seat 601, shake the head connecting rod 602, shake the head crank 603, the 6th link 604 and the 8th link 605 up and down up and down up and down, shake the head up and down connecting rod 602 two ends respectively be fixed on frame 5 on fitting seat 601 be connected with the crank 603 of shaking the head up and down in being installed in gear-box 3, the 6th link 604 connects shake the head up and down connecting rod 602 1 ends and fitting seat 601, the eight links 605 and connects shake the head up and down connecting rod 602 the other ends and the crank 603 of shaking the head up and down.
Above-mentioned bevel gear wheel 306 and the described crank 603 of shaking the head up and down are combined as a whole.
Left and right sides oscillating mechanism 7 comprises roll pin 701, right guide rod 702, about the chute 703 of shaking the head, about the crank 704 of shaking the head, left side guide rod 706, adjusting washer (disk) 705, split washer 708, the 9th link 709 and pressure spring 707, roll pin 701 is connected on the frame 5, one end of right guide rod 702 and left guide rod 706 is connected on the roll pin 701, about inserting respectively, the other end shakes the head in the chute 703, be connected on the gear-box 3 about shake the head crank 704 with about the chute 703 of shaking the head be connected, the 9th link 709 with adjusting washer (disk) 705 and split washer 708 with about shake the head chute 703 and about the crank 704 of shaking the head link together, pressure spring 707 1 ends are contained on the frame 5 in the respective aperture, and the other end is contained on the axle of left guide rod 706 correspondences.
Shake the head about wherein adjusting washer (disk) 705 is contained on the eccentric shaft of crank 704, wherein an end face with about the shake the head eccentric shaft attachment screw end face of crank 704 fit, the other end with about the shake the head end face of chute 703 fit, about shake the head in the chute 703 two holes respectively with left guide rod 706, the axle of right guide rod 702 cooperates, about the chute 703 of shaking the head can be free to slide along left guide rod 706 and right guide rod 702, pressure spring 707 end wherein is contained in the hole of setting sleeve 502, the other end is contained on the axle of left guide rod 706 correspondences, on the crank 704 of shaking the head about the elastic force by pressure spring 707 tightly is fitted in whole left and right sides oscillating mechanism 7 constantly.Crank 704 1 ends of shaking the head about described are installed on the transmission large straight gear 303 of gear-box 3, end face compresses by the screw connection, about shake the head and shake the head about the eccentric shaft of crank 704 is stuck in the chute 703, about the shake the head end face of eccentric shaft of crank 704 connect by screw, about shake the head crank 704 about shake the head in the chute 703 can be around the center rotation of large straight gear 303, again can about the slide relative in the chute 703 of shaking the head; Left side guide rod 706 is contained in the setting sleeve 502 by roll pin 701, and wherein an end face and roll pin 701 end faces are fitted, and the end face of other end and setting sleeve 502 is fitted; Right guide rod 702 is contained in the setting sleeve 502 by roll pin 701, and wherein an end face and split washer 708 end faces are fitted, and the end face of other end and setting sleeve 502 is fitted.About shake the head chute 703 along left guide rod 706 and right guide rod 702 can about shake the head and move forward under the thrust of crank 704, thereby again can about shake the head crank 704 go back in about the crank 704 of shaking the head retreat under driving entire mechanism resetted.
The linkage mechanism of shaking the head about in the described left and right sides oscillating mechanism 7 can rotate around the center of roll pin 701 in oscillating mechanism 6 motions up and down, and the luffing angle of adjusting left and right sides oscillating mechanism at any time is to satisfy the motion requirement of whole oscillating mechanism.
Above-mentioned large straight gear 303 axle head joints are square, with have corresponding square hole about the crank 704 of shaking the head be connected, both are connected and fixed by screw.
The output shaft 101 of motor 1 drives and exports two kinds of independently velocity ratios, about shake the head and the velocity ratio of shaking the head up and down is 1: 4, up and down oscillating mechanism 6 and left and right sides oscillating mechanism 7 respectively by being in transmission connection separately realize shaking the head up and down of fan head and about shake the head, two groups of outputs of gear-box 3 are taken out button 309 and second by first in the usual way respectively and are taken out button 316 controls, by taking out the button 309 and second simple operations of taking out button 316 to first, electric fan can be shaken the head up and down independently, shake the head about again can be independently, can also shake the head up and down simultaneously simultaneously and about shake the head.When the fan head of electric fan was shaken the head simultaneously and shaken the head up and down, the front end that stands in the electric fan air-out saw that the movement locus of fan head presents " W " moulding.
Owing to adopted connecting rod (oscillating mechanism up and down) and slide crank groove mechanism (left and right sides oscillating mechanism), export two kinds of velocity ratios simultaneously by gear-box, drive connecting rod (oscillating mechanism up and down) and slide crank groove mechanism (left and right sides oscillating mechanism) respectively, it is simple in structure, reliable transmission, with low cost, the present invention brings comprehensive nice and cool the time to the people in addition, than the product of similar function, its rate of fault and potential safety hazard also greatly reduce.

Claims (10)

1. electric fan oscillating mechanism, comprise motor (1), gear-box (3), oscillating mechanism shell (4) and frame (5), it is characterized in that the motor (1) that is installed in the oscillating mechanism shell (4) is fixed on the frame (5), and be connected with gear-box (3) by bindiny mechanism (2), the two ends of oscillating mechanism (6) are connected with frame (5) with gear-box (3) respectively up and down, the two ends of left and right sides oscillating mechanism (7) are connected with frame (5) with gear-box (3) respectively, wherein oscillating mechanism (6) comprises fitting seat (601) up and down, shake the head the up and down connecting rod (602) and the crank (603) of shaking the head up and down, the two ends of the connecting rod (602) of shaking the head up and down respectively be fixed on frame (5) on fitting seat (601) be connected with the crank of shaking the head up and down (603) in being installed in gear-box (3); Left and right sides oscillating mechanism (7) comprise roll pin (701), right guide rod (702), about shake the head chute (703), about shake the head crank (704) and left guide rod (706), roll pin (701) is connected on the frame (5), one end of right guide rod (702) and left guide rod (706) is connected on the roll pin (701), shake the head about the other end inserts respectively in the chute (703), be connected on the gear-box (3) about shake the head crank (704) with about the chute (703) of shaking the head be connected.
2. electric fan oscillating mechanism according to claim 1, it is characterized in that described bindiny mechanism (2) comprises connection seat (201), locating stud (202), first link (203) and second link (204), wherein first link (203) is fixed on connection seat (201) on the motor (1), locating stud (202) is used for the rigging position of location and installation seat (201) on back end cover for motor (102), its excess-three hole on the fitting seat (201) is used for the rigging position of locating tooth roller box (3) on fitting seat (201), and second link (204) is used for fixing connection gear case (3).
3. electric fan oscillating mechanism according to claim 1, it is characterized in that described gear-box (3) comprises casing (301), the controlling rod (302) of shaking the head up and down, large straight gear (303), small Spur gear (304), bevel pinion (305), bevel gear wheel (306), side end cap (307), upper end cap (308), first takes out button (309), second takes out button (316), first helical gear (317), second helical gear (310), back cover connecting plate (313), the 3rd link (314) and the 4th link (315), wherein second helical gear (310) is installed on the axostylus axostyle of small Spur gear (304) in casing (301), the upper end of small Spur gear (304) axostylus axostyle connects second and takes out button (316), lower end and large straight gear (303) engagement, first helical gear (317) is installed on the axostylus axostyle of the controlling rod of shaking the head up and down (302), shake the head the up and down upper end of controlling rod (302) axostylus axostyle connects first and takes out button (309), be installed in the bevel pinion (305) and bevel gear wheel (306) engagement of axostylus axostyle below, side end cap (307) is pressed on bevel gear wheel (306) in the casing (301) by the 3rd link (314), and upper end cap (308) is pressed on first helical gear (317) and second helical gear (310) in the casing (301).
4. electric fan oscillating mechanism according to claim 3, it is characterized in that in described gear-box (3), the output shaft (101) of motor (1) is positioned at second helical gear (310) and first helical gear (317) middle, simultaneously with second helical gear (310) and first helical gear (317) engagement.
5. electric fan oscillating mechanism according to claim 3 is characterized in that described bevel gear wheel (306) and the described crank (603) of shaking the head up and down are combined as a whole.
6. electric fan oscillating mechanism according to claim 3 is characterized in that described first helical gear (317), second helical gear (310) are to utilize clutch pressure spring (312), locking ball (311) and small Spur gear (304) respectively and shake the head controlling rod (302) interlock mutually up and down.
7. electric fan oscillating mechanism according to claim 3 is characterized in that described large straight gear (303) axle head joint is a square, with have corresponding square hole about the crank (704) of shaking the head be connected.
8. electric fan oscillating mechanism according to claim 1, it is characterized in that described oscillating mechanism shell (4) comprises front casing (401) and rear casing (402), wherein front casing (401) is installed on the front cover (103) of motor (1), rear casing (402) front end directly is inserted in the hole of motor front casing (401) rear end correspondence, and fixedly connected by link.
9. electric fan oscillating mechanism according to claim 1, it is characterized in that described frame (5) comprises connecting head (501), setting sleeve (502), swinging mounting (503), pressure spring (504), positioning bead (505), bearing support back-up ring (506), bearing support lasso (507) and the 5th link (508), wherein connecting head (501) is connected with swinging mounting (503) by setting sleeve (502), pressure spring (504) is installed in the hole on the connecting head (501), positioning bead (505) one ends are installed in another hole of connecting head (501), the level that the other end relies on the power of pressure spring (504) tightly to be fitted in setting sleeve (502) is shaken the head in the position regulation hole, swinging mounting (503) is the U type, built-in bearing support back-up ring of the mounting hole at its two ends (506) and bearing support lasso (507) are installed in motor (1) on the swinging mounting (503) by the 5th link (508).
10. electric fan oscillating mechanism according to claim 9 is characterized in that described setting sleeve (502) is directly installed in the connecting head (501) by the cooperation of hole axle; Swinging mounting (503) is directly installed in the setting sleeve (502) by the cooperation of hole axle, and packing at connecting head, locating piece makes setting sleeve (502), swinging mounting (503) can only be around the center hole rotation of connecting head (501).
CN 201010196289 2010-06-08 2010-06-08 Oscillating mechanism of electric fan Pending CN101839250A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791275A (en) * 2015-03-31 2015-07-22 广东美的环境电器制造有限公司 Oscillating mechanism for electric fan and electric fan with same
CN105805035A (en) * 2015-09-28 2016-07-27 广东美的环境电器制造有限公司 Oscillating mechanism of household appliance and household appliance
WO2018133507A1 (en) * 2017-01-17 2018-07-26 江门市西点电器科技有限公司 Vertical head-shaking structure of electric fan
CN112325547A (en) * 2020-11-11 2021-02-05 德清世锦智能科技有限公司 Cooling device for mechanical equipment with good cooling effect
CN114320979A (en) * 2020-10-10 2022-04-12 广东美的环境电器制造有限公司 Control method, control circuit, device, equipment and medium of electric fan

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CN2425219Y (en) * 2000-04-13 2001-03-28 王林丽燕 Drive guiding device for wave swiniging fan
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