CN2381819Y

CN2381819Y - Improved structure of multi-panel fan

Info

Publication number: CN2381819Y
Application number: CN 99217016
Authority: CN
Inventors: 吴东和; 吴子建
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-07-20
Filing date: 1999-07-20
Publication date: 2000-06-07
Anticipated expiration: 2009-07-20

Abstract

The utility model relates to an improved structure of a multi-panel fan, which comprises a hollow cylindrical body and a driving mechanism, wherein the body is composed of end parts of both sides and a plurality of panel sheets which are radically arranged between the two end parts with equal separation distance; the driving mechanism is embedded in the body, wherein the utility model also comprises two frame parts which are arranged outside the two end parts. The frame part comprises a first side, a second side and a third side, the second side is connected between the first side and the third side, therefore the entire strength of the end part can be increased.

Description

The structure-improved of multi-wing fan

The utility model is the structure-improved of relevant a kind of fan, is meant a kind of relevant structure-improved that is applied to the multi-wing fan of gas fan especially.

As shown in Figure 1, generally be applied to the gas fan multi-wing fan 90 of (figure does not show) at present, it is in order to save material and to reduce and make man-hour and cost, it is many cut out the end 91 of these multi-wing fan 90 dual-sides and be linked to plural pieces fin 92 between these ends 91 with same sheet metal, wherein two end part 91 bend and take the shape of the letter U or L shaped cross section, fin 92 then is bent into person as shown in the figure, sheet metal after the processing is curled into cylindrical tube shape, and the centre that is matched with these fins 92 is set a driving mechanism 93, last junction point 94 at these ends 91 is welded fixing, and finishes the making of multi-wing fan 90.

For multi-wing fan 90 structures that provided with this known production method, junction point 94 regular meetings of its end 91 when the centrifugal action that multi-wing fan 90 high speed rotating produce, take place be full of cracks or even the facts such as fracture, or when multi-wing fan 90 drops accidentally or collides, also can the fracture or the facts such as distortion, distortion take place in its junction point 94; Probe into the occurrence cause of the problems referred to above, be because of its junction point 94 are the modes of adopting solid welding with and two end part 91 thickness thin, and cause the bulk strength deficiency so.

The utility model creator this in design and the manufacturing experience of being engaged in this correlation technique for a long time, because the structural strength of at present known multi-wing fan all has the shortcoming of obvious deficiency, so through concentrating on studies and test back the utility model that begins to provide repeatedly, avoid because of the not enough multi-wing fan that causes the facts such as distortion, distortion or fracture to take place of structural strength, to benefit the flourish of related industry in the hope of providing a kind of.

The purpose of this utility model is to provide a kind of structure-improved of multi-wing fan, and it can effectively improve the structural strength of multi-wing fan.

Probing at present, the engaged at end place of general known multi-wing fan chaps easily, the facts such as fracture or torsional deformation, it mainly is to consolidate this end to locate due to the deficiency of structural strength, so for possessing the saving material and reducing under the principles such as making man-hour and cost, improve the structural strength of its end, the structure-improved of the utility model multi-wing fan, it comprises a body and a driving mechanism, this body is roughly the cylinder of a hollow, it is made up of the end of dual-side and the plural pieces fin that is linked between these two end part, these fins are to arrange and the each interval equidistance with respect to the radial angle in body center, this driving mechanism is embedded in this body interior, it can be by the transmission of an external gear unit, carry out the circumference rotation and drive body, and then make fin produce wind regime; It is characterized in that: this multi-wing fan is also to include two continuous frame portions of annular that are incorporated into this outside, two end part respectively, these frame portions include one first side, one second side and one the 3rd side at least respectively, and this second side is to be adjacent to this first side and the 3rd side between the two, making this first side is to be incorporated into relatively on the inner side surface of corresponding end, second side then is incorporated on the upper side of end, and the 3rd side then is incorporated on the outer side surface of corresponding end; Wherein the width of this second side is to be slightly larger than end portion thickness; Wherein the cross section of this frame portion is the rough JiongZi Xing shape that is.

Be coated on the outside of end by these frame portions, be the structural thickness of multilayer to improve the end, thereby promote its structural strength, to avoid the generation once more of the facts such as end be full of cracks, fracture or torsional deformation.

Because the development of multi-wing fan at present is very ripe, breaks through sincere genus again and be difficult for, so though the non-creation of the utility model with height, but promote known effect owing to truly have, so utility model patent is applied in the whence, earnestly asks your juror and grants quasi patent in accordance with the law, the true feeling moral just.

In order to more clearly understand structure of the present utility model, lift the utility model preferred embodiment now, and after cooperating following diagram to be described in more detail in; Wherein:

Fig. 1 is the structural representation of known multi-wing fan.

Fig. 2 is the STRUCTURE DECOMPOSITION schematic representation of the utility model multi-wing fan.

Fig. 3 is the partial structurtes enlarged diagram of the utility model multi-wing fan.

Structure of the present utility model sees also Fig. 2 and Fig. 3, and this multi-wing fan 10 is to comprise a body 20, two frame portions 30 and a driving mechanism 40.

This body 20 is that the circle that roughly is a hollow is leant on the shape body, it comprises the end 21 and plural pieces fin 22 of both sides, in present embodiment, these fins 22 are that the form with one is linked between the end 21 in this L-shaped cross section, left and right sides, and cooperation is with the bending of suitable angle, make its each fin 22 all be the radial design of identical angle with respect to these body 20 centers, and the distance that its each interval equates, surface structure DESIGNED FEATURE as for fin 22 is not an emphasis of the present utility model, does not give unnecessary details so do not add in this.

These frame portions 30 are profiles of cooperative end part 21 and be a continuous ring frame, it mainly is to include one first side 31, one second side 32 and one the 3rd side 33 at least respectively, wherein, this first side 31, second side 32 and the 3rd side are to be three adjacent sides in present embodiment, it roughly is the Jiong tee section, and second side 32 is to be adjacent to this first side 31 and the 3rd side 33 between the two.

This driving mechanism 40 then is arranged in these body 20 inside, in present embodiment, this driving mechanism 40 is the centre that are embedded at these fins 22, it can be by the external gear unit transmission of (figure does not show), carry out the rotation of circumferencial direction and drive body 20, and then, the rotation of body 20 produces wind regimes because of making fin 22, cooperate the gas fan shell construction of (figure does not show) again, and the wind regime that produces is sent, because of the non-emphasis of the present utility model of the kind of drive of driving mechanism 40, do not give unnecessary details so do not add in this.

By this, frame portion 30 is directly coated 21 outsides, end that are incorporated into after curling, this first side 31 can be incorporated on the inner side surface 211 of end 21 relatively, 32 of second sides are incorporated on the upper side 212 of end 21, the 3rd side 33 then correspondence is incorporated on the outer side surface 213 of these ends 21, and wherein the width of this second side 32 is the thickness that is slightly larger than this end 21 thickness of upper side 212 (promptly greater than).

Because, the utility model is to set up frame portion 30 respectively at 21 outsides, end of body 20, make the end 21 that originally only has " thickness in monolayer " intensity, can increase to the intensity of " multi-layered thickness " because of the integral coating combination of frame portion 30, significantly improve the bulk strength of end 21, the centrifugal force and the external force collision that produce during for body 20 rotations all can be resisted effectively, thereby avoid the facts such as be full of cracks, fracture or torsional deformation.

In addition, the outward appearance of this frame portion 30 (cross section) should not limit three sides such as first side 31, second side 32 and the 3rd side 33 are only arranged, and it also can be adopted with as shown in the figure

Cross section Design, in this and give and indicating.

In sum, " structure-improved of multi-wing fan " of the present utility model really can reach the creation purpose by the disclosed structure of mat, tool progress ground utility function.Only, the above person only is preferred embodiment of the present utility model, and category of the present utility model is not still taken off in various modifications and variation that all foundations spirit of the present utility model is done, so should be as the criterion with claim.

Claims

1. the structure-improved of a multi-wing fan, it comprises a body and a driving mechanism, this body is roughly the cylinder of a hollow, it is made up of the end of dual-side and the plural pieces fin that is linked between these two end part, these fins are to arrange and the each interval equidistance with respect to the radial angle in body center, this driving mechanism is embedded in this body interior, it can be by the transmission of an external gear unit, carry out the circumference rotation and drive body, and then make fin produce wind regime; It is characterized in that:

This multi-wing fan is also to include two continuous frame portions of annular that are incorporated into this outside, two end part respectively, these frame portions include one first side, one second side and one the 3rd side at least respectively, and this second side is to be adjacent to this first side and the 3rd side between the two, making this first side is to be incorporated into relatively on the inner side surface of corresponding end, second side then is incorporated on the upper side of end, and the 3rd side then is incorporated on the outer side surface of corresponding end.

2. the structure-improved of multi-wing fan according to claim 1 is characterized in that, wherein the width of this second side is to be slightly larger than end portion thickness.

3. the structure-improved of multi-wing fan according to claim 1 is characterized in that, wherein the cross section of this frame portion is the rough JiongZi Xing shape that is.