CN101655331A - Radiating fin with buckling and clamping structure - Google Patents

Abstract

The invention relates to a radiating fin with a buckling and clamping structure. The upper end edge and the lower end edge of a vertical sheet body of the radiating fin are respectively provided witha front folded edge comprising a clamping part; a clamping groove with a clamping opening with a wider section is respectively punched on buckling parts; the end edge of the sheet body backwards penetrates so as to form a notch part; and a left clamping lug and a right clamping lug which are oppositely provided with inner clamping hooks are extended out from the front opening thereof; and the leftclamping lug and the right clamping lug are clamped in the clamping openings of the rear sections of the front adjacent radiating fins and are matched with the left clamping hook and the right clamping hook for buckling and positioning so that the efficacy of firm buckling and clamping can be achieved. The invention can directly and quickly punch and form the clamping part on the radiating fin sothat two radiating fins can be firmly positioned and combined, and the invention is applicable to the automatic operation of continuously punching dies, saves labor force and time, reduces the cost and has the industrial value in use.

Description

Fin with buckling and clamping structure

Technical field

The present invention is about a kind of fin with buckling and clamping structure, especially about thin shape metal fin a kind of closing in a row, that have buckling and clamping structure.

Background technology

With existing heat abstractor is example, contains fin in a row usually and combines for reclining with radiating piece, to cooperate the auxiliary conduction of active cooling package and heat abstractor, various heat-producing devices is dispelled the heat.Therefore, promptly form large-area heat conduction member by the fin that a plurality of fin constituted.

In existing heat abstractor, though the integrated radiating piece that is constituted with the high thermal conductivity material is arranged, generally speaking cost is higher.As for the synthetic structure of arranging of a plurality of groups of fins, then involve and must between two fin, use location and winding member, not only constituent components is uneconomical for it, and follow-up assembling processing is also than trouble and bothersome.Though and existing this class heat abstractor has between two fin to dash and establishes relative sags and crests, for being engaged with each other the location in a row, its combined structure is quite undesirable, and the junction surface is firm.

Summary of the invention

In order to overcome the deficiencies in the prior art part, the object of the present invention is to provide a kind of fin with buckling and clamping structure, can be directly on fin rapidly punch forming go out wedging position, make two fin locating engagement really, and suitable continous way punch die automatic job, save manpower, time, reduce cost.

For achieving the above object, realize by following technical scheme when of the present invention:

A kind of fin with buckling and clamping structure, it is characterized in that the vertical lamellar body of fin up and down ora terminalis respectively establish a preceding flanging that contains the Access Division, described Access Division punches out the buckling groove that contains back segment broad clamping mouth together respectively, and run through the lamellar body ora terminalis backward and make a notch part, two left and right sides clamping ears that have inboard grab are relatively then extended in its open front; Make above-mentioned left and right sides clamping ear snap in the clamping mouth of adjacent fin rear end, the place ahead, and cooperate grab clip location, the left and right sides.

Aforesaid fin with buckling and clamping structure is characterized in that described clamping mouth and left and right sides clamping ear are made as beloid with shape.

Aforesaid fin with buckling and clamping structure is characterized in that the grab invagination of described left and right sides clamping ear meets at right angles, with the notch part of the relative ora terminalis of the adjacent fin in clip the place ahead.

Aforesaid fin with buckling and clamping structure is characterized in that the notch part of described lamellar body ora terminalis is reserved a middle catch in clamping mouth rear end, to cooperate the buckling groove width.

Aforesaid fin with buckling and clamping structure is characterized in that being converted into inclination in the grab of described left and right sides clamping ear, the middle catch of being reserved with clip the place ahead adjacent fin ora terminalis notch part.

The invention has the beneficial effects as follows: the present invention can be directly on fin rapidly punch forming go out wedging position, make certain locating engagement between two fin, and suitable continous way punch die automatic job, manpower, time saved, reduce cost, possess industrial value.

Description of drawings

Fig. 1 is the stereogram of embodiment of the invention fin;

The processing schematic diagram of Fig. 2-4 expression fin of the present invention;

Fig. 5 is the fin front and back of two Fig. 1 and leans on index map;

Fig. 6 is the partial enlarged drawing of Fig. 5;

Fig. 7 is a plurality of fin of the present invention and the side cutaway view that connects;

Fig. 8 is the stereogram of another embodiment of the present invention fin interface arrangment.

The implication of number in the figure is as follows:

10, lamellar body: 11, preceding flanging; 12, preceding flanging; 13, ora terminalis; 14, ora terminalis; 15, middle catch; 17, notch part; 20, Access Division; 21, Access Division; 22, buckling groove; 23, clamping mouth; 24, clamping ear; 25, clamping ear; 26, grab; 27, grab; 100, lamellar body; 150, middle catch; 170, notch part; 230, clamping mouth; 261, grab; 271, grab.

The specific embodiment

For achieving the above object, the present invention enumerates feasible embodiment and conjunction with figs. is illustrated by following, so that global design is more clear.

In possible embodiments, the grab invagination of the left and right sides clamping ear state that meets at right angles is with the notch part of the relative ora terminalis of the adjacent fin in clip the place ahead.

And among another embodiment, be converted into inclination in the grab of this left and right sides clamping ear, the middle catch of being reserved with clip the place ahead adjacent fin ora terminalis notch part.

See also Fig. 1, in the fin of the in type improvement structure of diagram, the ora terminalis up and down 13,14 of metal foil shape lamellar body 10 curved respectively establish extend a short shape before flanging 11,12, spacing effect when providing fin in twos to engage then is preset with the Access Division 20,21 of stretching out respectively forward at this preceding flanging 11,12.

Above-mentioned Access Division 20,21 is made relative identical shaped, and adopts identical procedure, therefore only shows Access Division 20 wherein in Fig. 2.Access Division 20 punches out the buckling groove 22 of the clamping mouth 23 that contains the back segment broad together, and the relative ora terminalis 13 that backward runs through lamellar body 10 makes a notch part 17, and two relative left and right sides clamping ears 24,25 are then extended in its open front forward.Inboard each outstanding one toward each other grab 26,27 further is converted into grab 26,27 rectangular-shaped inwardly before the clamping ear 24,25.

In preferred embodiment, above-mentioned clamping mouth 23 is made as match trapezoidal with left and right sides clamping ear 24,25, and constitutes narrow front and wide rear.And the notch part 17 of lamellar body 10 is reserved a middle catch 15 in clamping mouth 23 rear ends, to cooperate the width of buckling groove 22.

In the fin forming process, at first as shown in Figure 3, dash in lamellar body 10 ora terminalis appropriate locations and to set out buckling groove 22, clamping mouth 23, middle catch 15, notch part 17, left and right sides clamping ear 24,25 and left and right sides grab 26,27, shown in Figure 4 for another example with left and right sides grab 26, the 27 invaginations state that meets at right angles, quarter bend folds preceding flanging 11 among Fig. 2 forward then, and then constitutes above-mentioned Access Division 20.

Make the structural design of above-mentioned Access Division 20, making in twos, fin can and be abutted against state shown in the composite diagram 5,6,7.With lamellar body 10 toward antecurvature go out before flanging 11, then left and right sides clamping ear 24,25 snaps in the back segment clamping mouth 230 of the adjacent heat radiation lamellar body 100 in the place ahead, and its buckling groove 22 is nested with the middle catch 150 of lamellar body 100, the notch part 170 that cooperates left and right sides grab 26,27 clip lamellar bodies 100 relative ora terminalis again, reach infallible buckling and clamping effect, so clamping connection promptly can be made into the fin in a row shown in the 7th figure in regular turn.

In another embodiment shown in Figure 8, the left and right sides clamping ear 24,25 of lamellar body 10 snaps in the clamping mouth 230 of the adjacent lamellar body 100 in the place ahead equally, to be converted into inclination in the left and right sides grab 261,271 again,, reach firm clamping locating effect with the middle catch 150 of clip the place ahead lamellar body 100 ora terminalis.

Below announced the present invention with preferred embodiment, so it is not that all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention in order to restriction the present invention.

Claims (5)

1, the fin that has buckling and clamping structure, it is characterized in that the vertical lamellar body of fin up and down ora terminalis respectively establish a preceding flanging that contains the Access Division, described Access Division punches out the buckling groove that contains back segment broad clamping mouth together respectively, and run through the lamellar body ora terminalis backward and make a notch part, two left and right sides clamping ears that have inboard grab are relatively then extended in its open front; Make above-mentioned left and right sides clamping ear snap in the clamping mouth of adjacent fin rear end, the place ahead, and cooperate grab clip location, the left and right sides.

2, the fin with buckling and clamping structure according to claim 1 is characterized in that described clamping mouth and left and right sides clamping ear are made as beloid with shape.

3, the fin with buckling and clamping structure according to claim 1 is characterized in that the grab invagination of described left and right sides clamping ear meets at right angles.

4, the fin with buckling and clamping structure according to claim 1 is characterized in that the notch part of described lamellar body ora terminalis is reserved a middle catch in clamping mouth rear end.

5, the fin with buckling and clamping structure according to claim 4 is characterized in that being converted into inclination in the grab of described left and right sides clamping ear, the middle catch of being reserved with clip the place ahead adjacent fin ora terminalis notch part.

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