CN202306426U

CN202306426U - Radiator fin and substrate stamping combination structure

Info

Publication number: CN202306426U
Application number: CN2011203519784U
Authority: CN
Inventors: 杨煌龙
Original assignee: Individual
Current assignee: Kunshan Liande Prec Mat Co ltd; Liande Precision Materials China Co ltd
Priority date: 2011-09-15
Filing date: 2011-09-15
Publication date: 2012-07-04
Anticipated expiration: 2021-09-15

Abstract

The utility model discloses a radiator fin and substrate stamping combination structure. The stamping combination structure is characterized in that: a plurality of radiator fins are assembled on a substrate, a plurality of positioning parts are arranged on the surface of a metal seat body of the substrate at intervals, and each positioning part comprises a first convex rib, a second convex rib opposite to the first convex rib, and a positioning groove between the first convex rib and the second convex rib; the one end of the metal sheet body of each radiator fin is provided with a reversely folded sheet which is inserted into the positioning groove opposite to each positioning part, and the outer sides of each radiator fin and each reversely folded sheet of the radiator fins face the inner sides of the first convex rib and the second convex rib; and the reversely folded sheet of each radiator fin is an extruded and distorted body of which the end part is compressed, so that the extruded and distorted bodies have outward expansion parts which are pushed and fixed on the inner sides of the second convex ribs of the positioning parts and the positioning grooves, firm and close connection can be realized, and the effect of conduction and dissipation of heat can be enhanced.

Description

Radiator fins and pedestal punching press unitized construction

Technical field

The utility model relates to a kind of heating radiator composite design, particularly relates to a kind of radiating fin and pedestal punching press unitized construction of heating radiator.

Background technology

Along with developing rapidly of computer industry; The execution speed of chip, CPU pyrotoxins such as (CPU) is more and more faster; The heat of relative pyrotoxin is also more and more high, for the high temperature that pyrotoxin produced is discharged in the external world, pyrotoxin can normally be moved under the temperature of permission; Usually can be attached on the excessive hot surface of pyrotoxin to have the larger area heating radiator, assist heat radiation with a plurality of fins that utilize heating radiator.

Like Fig. 1 and shown in Figure 2; Existing heating radiator 9 comprises a tabular pedestal 91 and a plurality of fin 92 mostly; Pedestal 91 and fin 92 are to process with thermal conductivity good metal materials such as copper material or aluminiums, have a plurality of parallel grooves 93 at pedestal 91, and fin 92 are plates; Fin 92 lower edge invayinations 94 are placed in pedestal 91 each groove 93, utilize the riveted joint mode that fin 92 is fixed on the pedestal 91 again.

In riveted joint process shown in Figure 2, drift 96 punching presses produce metal plastic deformation in the folder rib 95 in groove 93 outsides, interior in the past clamping fin 92 and invayination 94.But when punching press was riveted, each plastic yield place 97 of pressing from both sides rib 95 was easier to fracture, and causes clamping bad.In addition, during drift 96 punching press down folder rib 95,, have influence on the amount of plastic deformation of folder rib 95 relatively, and cause clamping bad also easily because of cross component force produces deflection.Therefore to how to improve the problems referred to above and defective, be the direction that the relevant dealer institute utmost point is desired research and development.

The utility model content

The fundamental purpose of the utility model provides a kind of radiator fins and pedestal punching press unitized construction; It utilizes the reflexed sheet of radiating fin to strike out the crimp body and extends enlarged portion outwardly; In the crowded locating slot that is fixed in pedestal; Reach the firm effect of combining closely, more promote the heat loss through conduction effect, and suitable robotization output.

For achieving the above object, the heating radiator of the utility model includes: a pedestal, and its metal pedestal surface is interval with a plurality of location divisions, and each location division includes a locating slot; A plurality of radiating fins, its metal lamellar body is terminal, and each is omnidistance or be interval with the reflexed sheet, and in the locating slot that is inserted in relative positioning portion respectively, and the relative outside of radiating fin and reflexed sheet thereof is towards the two opposite sides of locating slot; The reflexed sheet of a plurality of radiating fins is made as the crimp body of end direction compression, makes the crimp body have outer enlarged portion on one day, with crowded locating slot and the opposite side thereof that is fixed in the location division.

In preferred embodiment, one of them side of the locating slot of this each location division of pedestal is provided with a location recess, and the enlarged portion outwardly with the relative crimp body of fixed radiator fin reaches firm and combines closely.Further, each locating slot two opposite sides of this pedestal extend to first fin, second fin, constitute the location division to protrude in the metal pedestal surface.

In preferred embodiment, the crimp body of these a plurality of radiating fins is made as meander-shaped, with crowded really fixing.

In preferred embodiment, the minimum widith of the locating slot of this each location division of pedestal carries out the punching press combination greater than the double thickness of the metal lamellar body of radiating fin to make things convenient for the plant radiating fin.

Owing to take above technical scheme; The utlity model has following beneficial effect: the utility model utilizes the reflexed sheet of radiating fin to strike out the crimp body and extends enlarged portion outwardly; In the crowded locating slot that is fixed in pedestal; Reach the firm effect of combining closely, more promote the heat loss through conduction effect, and suitable robotization output.

Description of drawings

Fig. 1 inserts the synoptic diagram in the base slot for existing radiator fins.

Fig. 2 carries out the synoptic diagram of the normal and bad punching press situation in the riveted joint process for hookup 1.

Fig. 3 is the structural drawing of the utility model preferred embodiment radiator fins and pedestal punching press combination.

Fig. 4 inserts the synoptic diagram in the pedestal locating slot like Fig. 3 radiating fin with the reflexed sheet.

Fig. 5 carries out the synoptic diagram of various punching press situations for the reflexed sheet of hookup 4 radiating fins.

Fig. 6 is the three-dimensional exploded view like Fig. 4 radiating fin and pedestal.

Fig. 7 is the stereographic map like the another kind of reflexed plate shape of Fig. 4 radiating fin.

The synoptic diagram of Fig. 8 for carrying out punching press down like Fig. 5 drift.

Fig. 9 for hookup 8 drifts down punching press reflexed sheet become the synoptic diagram of crimp body.

Figure 10 is the synoptic diagram like the another kind of crimp body of Fig. 9 radiating fin.

Figure 11 is the structural drawing of another preferred embodiment radiator fins of the utility model and pedestal punching press combination.

The main element symbol description:

1, pedestal 11, metal pedestal

12, location division 13, first fin

14, second fin 15, locating slot

16, location indentations

2, radiating fin 21, metal lamellar body

22, reflexed sheet 23, reflexed sheet

24, crimp body 25, enlarged portion outwardly

26, crimp body

3, drift 31, punching press end

32, restrictions

4, pedestal 41, location division

42, locating slot.

Embodiment

Relevant the utility model is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof are enumerated possible embodiments now, and the conjunction with figs. explanation is as follows:

At first; See also Fig. 3, the heating radiator of the utility model mainly assists the pyrotoxin of electronic installation to dispel the heat, shown in figure; Heating radiator is on a pedestal 1, to be plugged with a plurality of radiating fins 2 of uniformly-spaced arranging, and it is fixing to carry out the punching press combination to each radiating fin 2 again.

In Fig. 3, Fig. 4 and preferred embodiment shown in Figure 5; The utility model is primarily aimed at the punching press unitized construction of radiating fin 2 with the pedestal 1 of heating radiator; Shown in figure; Metal pedestal 11 surfaces of pedestal 1 uniformly-spaced are provided with a plurality of location divisions 12, and each location division 12 includes one first fin 13 and relative second fin 14, with and constitute a locating slot 15 each other.That is, extend to first fin 13, second fin 14 by pedestal 1 each locating slot 15 two opposite sides, constitute location divisions 12 to protrude in metal pedestal 11 surfaces.Metal lamellar body 21 terminal each whole process at a plurality of radiating fins 2 are provided with a reflexed sheet 22 (consulting Fig. 4 and Fig. 6).In addition, also can be as shown in Figure 7, changing at interval at radiating fin 2 ends, extension is provided with a plurality of reflexed sheets 23.

In the actual assembled process; Extremely shown in Figure 7 like Fig. 3; Each radiating fin 2 end and reflexed

sheet

22 or 23 are inserted in respectively in the locating slot 15 of relative positioning portion 12 of pedestal 1; And the relative outside of radiating fin 2 ends and reflexed sheet 22 thereof is towards the two opposite sides of locating slot 15, also is the inboard towards relative first fin 13, second fin 14.

Please continue to consult Fig. 5, Fig. 8 and Fig. 9; With the punching press end 31 of pressing equipment drift 3 reflexed sheet 22 ends of punching press radiating fin 2 down; Make the reflexed sheet 22 of radiating fin 2 become the crimp body 24 of end direction compression, and crimp body 24 have outer enlarged portion 25 on one day, with crowded second fin, 14 inboards and locating slot 15 and the opposite side thereof that is fixed in location division 12; Reach the firm effect of combining closely, and promote the heat loss through conduction effect.

Continue the punching press combined structure design of radiating fin 2 with the pedestal 1 of explanation the utility model; Like Fig. 5, Fig. 8 and shown in Figure 9; The minimum widith of the locating slot 15 of pedestal 1 each location division 12 is greater than the double thickness of the metal lamellar body 21 of radiating fin 2, with the convenient assembling of planting.In preferred embodiment; Second fin, 14 inboards of pedestal 1 each location division 12 and locating slot 15 opposite sides can be provided with a location recess 16; Enlarged portion outwardly 25 with fixed radiator fin 2 relative crimp bodies 24; And drift 3 outsides can make a restrictions 32, to support second fin, 14 outsides of relative positioning portion 12, reach more firm combination.In addition, shown in figure 10, the crimp body 26 of radiating fin 2 can be stamped into meander-shaped, with crowded really fixing.

See also another preferred embodiment shown in Figure 11; Pedestal 4 is made as round; And be interval with a plurality of location divisions 41 and locating slot 42 thereof at external peripheral surface,, carry out punching press again and process crimp body 24 urgent combination locating slots 42 to be plugged with relative radiating fin 2 respectively.

In sum; The utility model can solve the deficiency and the defective of prior art; Its gordian technique is to utilize the reflexed sheet 22 of radiating fin 2 to strike out crimp body 24 and extend enlarged portion 25 outwardly, in the crowded locating slot 15 that is fixed in pedestal 1, reaches the firm effect of combining closely; More promote the heat loss through conduction effect, and suitable robotization output.

The above embodiment that lifts only uses and is convenient explanation the utility model, and is not in a limitative way, not from the utility model spirit category, the those skilled in the art various simple and easy variation and the modification that can do, all must include in the scope of claims.

Claims

1. radiator fins and pedestal punching press unitized construction is characterized in that, include: a pedestal, and its metal pedestal surface is interval with a plurality of location divisions, and each location division includes a locating slot; A plurality of radiating fins, its metal lamellar body end respectively is provided with a reflexed sheet, and in the locating slot that is inserted in relative positioning portion respectively, and the relative outside of radiating fin and reflexed sheet thereof is towards the two opposite sides of locating slot; The reflexed sheet of a plurality of radiating fins is made as the crimp body of end direction compression, makes the crimp body have outer enlarged portion on one day, with crowded locating slot and the opposite side thereof that is fixed in the location division.

2. radiator fins according to claim 1 and pedestal punching press unitized construction is characterized in that, one of them side of the locating slot of this each location division of pedestal is provided with a location recess, with the enlarged portion outwardly of the relative crimp body of fixed radiator fin.

3. radiator fins according to claim 1 and pedestal punching press unitized construction is characterized in that the crimp body of these a plurality of radiating fins is made as meander-shaped.

4. radiator fins according to claim 1 and pedestal punching press unitized construction is characterized in that the space from end of these a plurality of radiating fins is provided with a plurality of reflexed sheets, to constitute the crimp body separately.

5. radiator fins according to claim 1 and pedestal punching press unitized construction is characterized in that the minimum widith of the locating slot of this each location division of pedestal is greater than the double thickness of the metal lamellar body of radiating fin.

6. radiator fins according to claim 1 and 2 and pedestal punching press unitized construction is characterized in that, each locating slot two opposite sides of this pedestal extend to first fin, second fin, constitute the location division to protrude in the metal pedestal surface.