CN2886148Y

CN2886148Y - Structure of ceiling fan blade

Info

Publication number: CN2886148Y
Application number: CN 200620007900
Authority: CN
Inventors: 杨芳
Original assignee: Individual
Current assignee: Huiyang Yuan Gao Electrical Appliance Co Ltd
Priority date: 2006-03-14
Filing date: 2006-03-14
Publication date: 2007-04-04
Anticipated expiration: 2016-03-14

Abstract

The utility model relates to a ceiling fan vane structure, the outer rims of an upper foliage mainly positioned on the vane and of a lower foliage are obliquely equipped with a cutting wind part, which is composed of a slant face provided by the two end faces of the upper foliage and the lower foliage, the two end faces face outward respectively and are centralized to the thickness center of the vane, when the vanes are installed on a arbor of a motor and the upper foliage or the lower foliage faces adown, reducing the contact area between the cutting wind part and the air can be made, for efficiently reducing the air drag by the vanes, and the upper foliage and the lower foliage of the vane can be overturn alternated to make the vane of the ceiling fan produce more changes for increasing the variability of the ceiling fan.

Description

A kind of structure of ceiling fan blade

Technical field

The utility model is relevant with a kind of ceiling fan, more detailed it, be meant that especially a kind of last blade face of blade and the outer rim on following blade face are provided with a wind shear part, this wind shear part is constituted towards outward-dipping inclined-plane, the center of vane thickness by two, makes the last blade face of this blade reach the structure of the interchangeable ceiling fan blade in blade face down.

Background technique

Press, see also shown in Figure 1, known ceiling fan 10 mainly is to include a motor 11 and several blades 12 constitute, this motor 11 is to be fixedly arranged on the preposition, its front end also is articulated with an axle 111, this axle 111 can be rotated with the drive of this motor 11, simultaneously, also uniformly-spaced be connected with these blades 12 on this axle 111, make this axle 111 can drive flowing of these blades 12 rotations and generation air-flow, and produce cool breeze relatively, and these blades 12 are when rotating, resistance of air when rotating in order to reduce it, see also Fig. 2, shown in Figure 3, the two side ends of these blades 12 can be provided with a wind cutting face 121 to declivity, perhaps, see also Fig. 4, these blades 12 only are provided with a wind cutting face 121 in contact skew back with air, when these blades 12 are installed on this axle 111, and this blade 12 predetermined angle that can recede, simultaneously, when this wind cutting face 121 rotated in this blade 12, the wind cutting face 121 of these blade 12 front ends is relative with the area of contact of air to be reduced, and can effectively reduce the resistance of this blade 12 and air, efficient when this motor 11 is rotated can promote, and promotes the utilization efficiency of the energy and the rotational speed of motor 11.

Only, known ceiling fan 10 major parts are to be hung on parlor or other place that needs the decoration at home, simultaneously, this ceiling fan 10 also is a part of decorating, and the place of hanging this ceiling fan 10 can be along with the difference of time, may produce the variation of different decorated styles, and this ceiling fan 10, its pattern is for fixing, and the blade 12 that is fixed in is because wind cutting face 121 needs to keep a downward-sloping direction, so after these blade 12 upsets, this wind cutting face 121 is just held inclination to other, this wind cutting face 121 is relative with the area of contact of this air to be increased and make, and makes increase relative with resistance air this blade 12, so this blade 12 can't switch blade surface cooperates the change of environment, and make this ceiling fan 10 can't cooperate the sensation of site environment, more very be, then need carry out the replacement of this ceiling fan 10, influence the economic benefit of its use.

Practical new shape content

The purpose of this utility model is, a kind of structure of ceiling fan blade is provided, this blade mainly is that the outer rim on blade face tiltedly was provided with wind shear part under the blade face reached thereon, this wind shear part is made of towards the inclined-plane that the mid-depth of export-oriented blade is concentrated respectively blade face on this and this time blade face both ends of the surface, when this blade installation on the axle of a motor, should go up the area of contact reduction that blade face or inferior lobe face down and all can make its wind shear part and air, make this blade can effectively reduce resistance of air, and the last blade face of this blade and this time blade face can be used alternatingly.

The structure of a kind of ceiling fan blade of the utility model, this blade are to be configured as a lamellar body with predetermined thickness, and an end pivot of its minor face is fixed on the axle of a motor, and can be rotated by the rotation of this axle; It is characterized in that,

This ceiling fan blade up and down two ends is to be configured as on flat one blade face and blade face once, the outer rim that should go up blade face and this time blade face is to be provided with a wind shear part person, and this wind shear part is that the both ends of the surface by blade face on this and this time blade face are constituted towards the concentrated inclined-plane of the mid-depth of export-oriented blade respectively.

Wherein, this wind shear part is the two long limits of being located at blade face and this time blade face on this.

Wherein, this wind shear part is the outer rim that is located on this blade.

Wherein, this wind shear part is the two long limits of being located at its this time blade face, blade face on this, and this wind shear part is that court is with respect to another minor face flaring that is articulated in this axle.

Wherein, the inclined-plane of this wind shear part is to be a plane.

Wherein, the inclined-plane of this wind shear part is the arc surface for an indent.

Wherein, the inclined-plane of this wind shear part is the arc surface for an evagination.

Wherein, blade face is different with the floral designs on this time blade face on this.

Wherein, two inclined-plane intersections of this wind shear part are that arc is provided with safety arc portion.

Wherein, this wind shear part is that arc is provided with safety arc portion with the intersection that should go up blade face and this time blade face.

The structure of ceiling fan blade provided by the utility model, its blade can and be gone up being used alternatingly of blade face by this time blade face, and the variation of this blade can be increased, and changes to some extent with the difference of decorating.

Description of drawings

For further specifying concrete technology contents of the present utility model, below in conjunction with embodiment and accompanying drawing describes in detail as after, wherein:

Fig. 1 is the schematic representation of known ceiling fan.

Fig. 2 is the stereo appearance figure of known ceiling fan blade.

Fig. 3 is the generalized section of known ceiling fan blade.

Fig. 4 is the generalized section of known another ceiling fan blade.

Fig. 5 is the stereo appearance figure of the utility model preferred embodiment.

Fig. 6 is the generalized section of the utility model preferred embodiment.

Fig. 7 is another inclined-plane generalized section of the utility model preferred embodiment.

Fig. 8 is the another inclined-plane generalized section of the utility model preferred embodiment.

Fig. 9 is an inclined-plane generalized section again of the utility model preferred embodiment.

Figure 10 is another embodiment's of the utility model a stereo appearance figure.

Figure 11 is another embodiment's of the utility model a generalized section.

Embodiment

See also Fig. 5, Fig. 6, the utility model provides a kind of preferred embodiment of structure of ceiling fan blade, this blade 20 is constituted by a microscler lamellar body with predetermined thickness, the one minor face is that pivot is fixed on the axle (not shown) of a motor, and produce a rotation by the rotation of this axle, the two ends up and down of this blade 20 are to be configured as on flat one blade face 21 and blade face 22 once, should go up on blade face 21 and this time blade face 22 is the different floral designs that are sticked, and this outer rim that goes up blade face 21 and these following blade faces 21 is to be provided with a wind shear part 23, this wind shear part 23 is made of blade face on this 21 and this time blade face 22 both ends of the surface centroclinal inclined-plane 231 towards export-oriented vane thickness, the long limit that this wind shear part 23 also can only be located at these blade 20 both sides and air generation resistance gets final product, in the utility model, these inclined-planes 231 are to be a plane, in addition, see also Fig. 7, Fig. 8, these inclined-planes 231 also can be an inside or outside arc surface and constitute, simultaneously, see also shown in Figure 9, use can be accidentally injured in tip for fear of blade 20, the bit point of this blade 20, intersection as this inclined-plane 231, arc is provided with a safety arc portion 232, making this blade 20 be difficult for accidentally injuring uses, increase the Security of this blade 20, in addition, this wind shear part 23 also can be provided with a safety arc portion by relative arc with the intersection that should go up blade face 21 or following blade face 22.

By for further understanding the effect that the utility model structure characteristics, application technology means and institute's expection are reached, now the utility model usage mode is narrated, believing be able to have more deep and concrete understanding to the utility model therefrom, as described below:

See also Fig. 5, shown in Figure 6, during these blade 20 rotations, this wind shear part 23 can produce a less area of contact with air, and then can reduce the resistance of air relatively, can produce a higher efficient when making this motor running, the rotating speed of relative motor can improve, simultaneously, last blade face 21 and the 22 pairs of timings in following blade face when this blade 20, this wind shear part 23 is still kept a less area of contact with air, so last blade face 21 and this time blade face 22 of this blade 20 can be exchanged arbitrarily, and do not influence its efficient, make this blade 20 can have two kinds of different styles can supply to select for use, simultaneously, several blades 20 on this ceiling fan can be used alternatingly blade face 21 and reach blade face 22 down, make this ceiling fan can present different variations, can increase its variability.

See also Figure 10 and shown in Figure 11, the utility model provides another embodiment of a kind of structure of ceiling fan blade, it is mainly constructed is same with last embodiment, so repeat no more, wherein, the inclined-plane 231 of this wind shear part 23 is the other end minor face flarings that are articulated in axle towards this blade 20, makes the outside of this blade 20 that a bigger wind shear part 23 be arranged, this wind shear part 23 can make the resistance in these blade 20 outsides reduce, and makes the efficient of this motor can be better.

At last, characteristics of the present utility model and effect arrangement are as follows:

The structure of ceiling fan blade of the present utility model, the wind shear part of its both sides is in this time blade face or go up the blade face down the time, the effect that one good reduction resistance of air all can be arranged, but lifting speed when making this ceiling fan rotatable, simultaneously, the two sides of this blade all can be used alternatingly, and different floral designs of blade face and this time blade face collocation more can make this ceiling fan produce more variability on this.

In sum, the utility model has its splendid progressive practicability in fact in like product, simultaneously all over looking into domestic and international technical data about this class formation, also finding no identical construction in the document exists formerly, be to have possessed novel patent condition, so file an application in accordance with the law so that, the utility model is real.

Only, above-described, only be of the present utility model one preferable possible embodiments, so the equivalent structure that every application the utility model specification and claim are done changes, ought to be included in the claim of the present utility model.

Claims

1, a kind of structure of ceiling fan blade, this blade are to be configured as a lamellar body with predetermined thickness, and an end pivot of its minor face is fixed on the axle of a motor, and can be rotated by the rotation of this axle; It is characterized in that,

As the structure of claim 1 a described ceiling fan blade, it is characterized in that 2, wherein, this wind shear part is the two long limits of being located at blade face and this time blade face on this.

As the structure of claim 1 a described ceiling fan blade, it is characterized in that 3, wherein, this wind shear part is the outer rim that is located on this blade.

As the structure of claim 1 a described ceiling fan blade, it is characterized in that 4, wherein, this wind shear part is the two long limits of being located at its this time blade face, blade face on this, and this wind shear part is that court is with respect to another minor face flaring that is articulated in this axle.

As the structure of claim 1,2,3 or 4 described ceiling fan blade, it is characterized in that 5, wherein, the inclined-plane of this wind shear part is to be a plane.

As the structure of claim 1,2,3 or 4 described ceiling fan blade, it is characterized in that 6, wherein, the inclined-plane of this wind shear part is the arc surface for an indent.

As the structure of claim 1,2,3 or 4 described ceiling fan blade, it is characterized in that 7, wherein, the inclined-plane of this wind shear part is the arc surface for an evagination.

As the structure of claim 1 a described ceiling fan blade, it is characterized in that 8, wherein, blade face is different with the floral designs on this time blade face on this.

As the structure of claim 1 a described ceiling fan blade, it is characterized in that 9, wherein, two inclined-plane intersections of this wind shear part are that arc is provided with safety arc portion.

As the structure of claim 1 a described ceiling fan blade, it is characterized in that 10, wherein, this wind shear part is that arc is provided with safety arc portion with the intersection that should go up blade face and this time blade face.