CN2260909Y

CN2260909Y - Blade-fixing structure of ceiling fan motor

Info

Publication number: CN2260909Y
Application number: CN 96215491
Authority: CN
Inventors: 徐涌漳
Original assignee: QINONG ELECTRIC MOTOR CO Ltd
Current assignee: QINONG ELECTRIC MOTOR CO Ltd
Priority date: 1996-07-16
Filing date: 1996-07-16
Publication date: 1997-08-27
Anticipated expiration: 2006-07-16

Abstract

The utility model relates to a blade-fixing structure of a ceiling fan motor. The utility model is characterized in that a proper position of a bottom plate of a blade is provided with a convex cylinder; the convex cylinder can rapidly and directly sheath an opposite hole position on a rotary disk of a motor when the utility model is assembled; the bottom plate is provided with a plurality of reticulate troughs to make the utility model have the function of vibration absorption; in addition, the periphery of the rotary disk of a motor is provided with a plurality of equant screw holes; screws can be screwed in proper screws according to needs to correct the balance of the weight of a blade on the rotary disk.

Description

Ceiling fan motor flabellum fixed structure

The utility model is relevant with ceiling fan, refer to especially a kind of have hold surely fast and flabellum that shock-absorbing effect is good designs with the motor rotating disk, and this motor rotating disk has the function of calibration gravity balance.

The present ceiling fan that uses, be that flabellum is located at the transmission that is subjected to motor on the motor rotating disk, as Fig. 1, shown in 2, and its fixing mode to be base plate 13 in flabellum 12 be provided with hole 18, add a pad 14 at this

base plate

13 and 11 of rotating disks, be respectively equipped with hole 141 and screw 15 on the hole 18 that makes base plate 13 and the pad 14 of contraposition mutually and the rotating disk 11, making can be for screw 1 with it spiral shell maintenance on motor rotating disk 11, and the accumulation of this kind maintenance mode Chang Yingong difference causes the gap A of 17 on the also hole 18 of flabellum base plate 13 and screw, as shown in Figure 3, because of flabellum 12 is to be a specific tilt angle theta so that when rotated distinguished and admirable effect must take place, this angle θ causes ceiling fan the time to shake and need one of center of gravity adjustment reason (certainly in running, the weight difference of manufactured good and the error of block position also be cause centre-of gravity shift because of), causing in this kind making under the eccentric situation, the generation of this gap A, with the shift phenomenon that causes ceiling fan when moving, not only can increase the danger that ceiling fan rocks, also can cause the phenomenon of gravity unbalance because of rocking, this kind shortcoming is the taboo that uses of ceiling fan just, it is right if desire solves this kind tolerance issues, certainly will improve the precision that cooperates of this hole and screw, this will increase its fabricating cost and manufacturing time, so general industry is only set about at the possibility direction that reduction is caused danger, promptly strengthen the operation that screws tight of screw 17, this still can't effectively solve the skew situation that prevents its gap and cause; And the habit formula used for the design of proofreading and correct center of gravity as shown in Figure 4, has the correcting block 19 that several proofread and correct post 191 for be provided with one in motor rotating disk 11 inside, be fixed in the rotating disk 11 with screw 171, the mode of its correction is before assembling, just alleviate the practice of this place's weight on the correction post of locating more partially at center of gravity 191 with boring, reach the purpose of balance correction, need know that this kind mode is not only time-consuming to take a lot of work, and also rather expend power, and validity is still desirable not to the utmost; In addition, the hole 18 that combines with rotating disk at ceiling fan fails to be improved with the gap A of screw 17, multiple again in the work that can't carry out the gravitational equilibrium correction, though locking nut, but flabellum 12 when turn displacement and the phenomenon of rocking still exist, this be exactly our common ceiling fan when using one section in the future, just the bad situation of rocking is arranged, so the practice of habit formula is to effectively reduce the situation that ceiling fan rocks.

In addition existing ceiling fan rocks situation when reducing the ceiling fan running, add the usefulness of a pad 14 in base plate 13 and motor rotating disk 11 junctions as shock-absorbing, this kind practice not only increases fabricating cost and assembly process, also can't effectively reduce the situation of rocking in ceiling fan when running, only can say increases the tight system effect of screw to flabellum and rotating disk.

The main purpose of the utility model " ceiling fan motor flabellum fixed structure ", be to be that the base plate inboard is provided with the polygonal cylinder, and on rotating disk, establish relatively with the position, hole, the size that this polygonal cylinder is identical with this hole at least, make polygonal cylinder become the tight fit effect of making to squeeze the form of cutting in the mode of forcing pressing with the location hole, under this friction tight effect, with regard to the influence that is not subjected to base plate hole and screw gap and form the phenomenon of rocking.

A time purpose of the utility model " ceiling fan motor flabellum fixed structure ", periphery in the motor rotating disk is provided with a plurality of five equilibrium screws of number, making provides the dealer can be according to the tram of centre-of gravity shift after assembling is finished, be screwed into the operation that screw is proofreaied and correct with row, need before assembling the operation process of wasting time and energy with drilling and remove the habit formula.

The utility model " ceiling fan motor flabellum fixed structure " advance a purpose, form the clathrate groove in the flabellum base plate back side, the vibrations that produced can be absorbed by this cancellate groove, can exempt like this adding pad and more than one assembly processes.

Of the present utility model being characterised in that, the first-class majority correction screw that are distributed with of motor disk edge, and be provided with several location holes in the inboard, flabellum base plate inboard be provided with can with the polygonal cylinder of location hole fit on the rotating disk, in order to when making up, mat polygonal cylinder and location hole become suitable tightness fit, the shaking phenomenon that the gap in the time of can reducing the assembling of flabellum and rotating disk produces institute when causing running, and can be by the correction of the comparatively accurate centre-of gravity shift of most adjusting screws hole work; Wherein these location holes are to remain on the same isometrical circular arc with flabellum locking screw; Wherein this flabellum base plate back forms the clathrate groove.

Below in conjunction with accompanying drawing the utility model is described further

Wherein:

Fig. 1 is the three-dimensional exploded view of existing ceiling fan.

Fig. 2 is the three-dimensional combination figure of existing ceiling fan.

Fig. 3 is the cut-away view of existing ceiling fan 3-3 hatching line.

Fig. 4 is the correcting structure diagram of existing ceiling fan 4-4 hatching line.

Fig. 5 is a three-dimensional exploded view of the present utility model.

Fig. 6 is the top plan view of Fig. 5 flabellum.

Fig. 7 is a three-dimensional combination figure of the present utility model.

Fig. 8 is a 8-8 hatching line among Fig. 7.

Fig. 9 is an assembled state schematic representation of the present utility model.

The utility model " ceiling fan motor flabellum fixed structure ", it includes motor rotating disk 20, flabellum 30 and several screws, extremely shown in Figure 9 as Fig. 5, the inboard a plurality of confessions of number and the flabellum 30 of being provided with is with the solid screw 23 of screw 34 spiral shells on rotating disk 20, and in these screw 23 same isometrical arc position be provided with the location hole 22, in motor rotating disk 20, also be provided with as practising the correcting block (not shown) of formula, different is, and the utility model is non-proofreaies and correct in the drilling mode with before assembling, but be provided with a plurality of five equilibriums of number for the screw of proofreading and correct 21 in rotating disk 20 exterior rim, this design is gone up with present embodiment, be that the screw of laying with 36 five equilibriums is the best, so can be with respect to the position angle of each gravity skew, so that can proofread and correct in the mode that is screwed into screw according to the position of gravity off-centre, be that the correction practice of practising formula has bigger selectivity in the assembling back, accuracy and convenient simple effect; And be provided with hole 33 with screw 23 opposite positions of rotating disk 20 inboards on the flabellum base plate 32, and being provided with in these base plate 32 bottom sides and the rotating disk 20 location holes 22 polygonal cylinder 31 of contraposition mutually, base plate 32 back sides form clathrate groove 35, so that it has shock-absorbing effect.

Wherein, in these polygonal cylinder 31 designs is to have suitable tight nargin (diameter that is polygonal external diameter and hole has suitable fit tolerance) with relative positioning hole 22, make when combination, make cylinder 31 fill in location hole 22 and promptly produce crowded phenomenon of cutting because of therebetween tight nargin, this squeezes and cuts is to contact into fashionable with the location hole with its each angle for the polygonal cylindricality, situation to scratch that hole wall produces, and the generation of this scratch certainly will will eliminate the part that hole wall contacts with it, the utility model promptly utilizes this to squeeze and cuts effect and reach and make flabellum 30 and motor rotating disk 20 be the state that closely closes admittedly, even also the unlikely intrinsic gap of both cooperations produces and shaking phenomenon when running takes place, that is to say the main cause of rocking the when hole 33 that makes base plate 32 becomes the ceiling fan running with screw 34 gaps are unlikely, and lean on polygonal cylinder 31 can eliminate the gap is produced the misgivings of rocking with the drive fit of location hole 22, if this polygonal cylinder is taken place can't overlap fashionable than high tolerance when making, can carry out filing to cylinder 31 according to actual demand so that reach can squeeze the mode of cutting go into to close in the location hole 22 purpose till.

And the mode of its correction is when flabellum 30 is assemblied on the motor rotating disk 20, correction screw 21 according to the offset direction of center of gravity is screwed into screw, for enabling to proofread and correct comparatively accurately position of centre of gravity, make more balance of center of gravity, this screw 21, can be designed to than path, to be suitable for lighter screw, and these screw 21 numbers can be established the position with branch angles such as differences according to the size of rotating disk 20, has big selectivity so that proofread and correct angle, the situation of Jiao Zhenging can be got rid of the correction practice that the habit formula need be made summary and waste time and energy with the method for drilling by this before assembling as shown in Figure 9.

The utility model " ceiling fan motor flabellum fixed structure " is the shock-absorbing effect of the tight nargin fit that cooperates polygonal cylinder and location hole, base plate back clathrate groove and the design of proofreading and correct screws etc. in set most of rotating disk periphery that can precisely proofread and correct center of gravity, and can reduce ceiling fan and when running, rock the danger that situation causes.

Claims

1. ceiling fan motor flabellum fixed structure, mainly by flabellum base plate mat screw and motor rotating disk maintenance, it is characterized in that, the first-class majority correction screw that are distributed with of motor disk edge, and be provided with several location holes in the inboard, flabellum base plate inboard be provided with can with the polygonal cylinder of location hole fit on the rotating disk, in order to when making up, mat polygonal cylinder and the suitable tightness fit that becomes of locating hole, the shaking phenomenon that the gap that can reduce flabellum and rotating disk when assembling produces institute when causing running, and can do the correction of comparatively accurate centre-of gravity shift by most adjusting screws hole.

2. by the described ceiling fan motor flabellum of claim 1 fixed structure, it is characterized in that wherein these location holes are to remain on the same isometrical circular arc with flabellum locking screw.

3. by the described ceiling fan motor flabellum of claim 1 fixed structure, it is characterized in that wherein this flabellum base plate back forms the clathrate groove.