CN201115247Y

CN201115247Y - Improved pressing tight structure for heat radiation device including heat conductive tube

Info

Publication number: CN201115247Y
Application number: CN 200720175464
Authority: CN
Inventors: 陈世明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-28
Filing date: 2007-08-28
Publication date: 2008-09-10
Anticipated expiration: 2017-08-28

Abstract

The utility model provides a stamping compact structure of a radiating device with a heat conduction pipe, which comprises a pedestal and a plurality of radiating fins; a pipe chase which can be used for penetrating and arranging the heat conduction pipes is arranged on the pedestal; the pipe chase is provided with an opening which is communicated with the pedestal surface; the pedestal surface is provided with a plurality of grooves and tooth sockets which are interlaced with the pipe chase; the radiating fins can be inserted into the grooves correspondingly. When being assembled, a forming die is used for pressing the tooth sockets at the two sides of the radiating fins; the tooth sockets at two sides of the radiating fins are punched by a forming die; the forming die penetrates the opening to press the heat conduction pipes to deform and pack the pipe chase; simultaneously the base is stressed to deform and grip the radiating fins to integrate the base, the heat conduction pipes and the radiating fins as a body; a folding surface can be additionally arranged below the radiating fins and is closely stuck to the heat conduction pipe through being punched by the forming die; besides the radiating fins are embedded and assembled vertically on the base, the radiating efficiency of the heat conductive pipes is then improved by the contact area of the folding surface. The manufacture procedure of the utility model is also easier, thus being able to reduce the error of combining the structure.

Description

The punching press locking structure that includes the heat abstractor of heat pipe is made improvement

Technical field

The utility model is made improvement about a kind of punching press locking structure that includes the heat abstractor of heat pipe, mainly be the heat abstractor that is applied to computer or electronic equipment, its utilization offers the base of tube seat and the punching press locking structure between corresponding fin and the heat pipe is made improvement.

Background technology

Processor and chipset need efficient radiator that heat radiation work is provided, and radiator will be grown up proportionally with arithmetic speed to the importance of processor, and the computed time is long more, and the temperature that processor produces also is high more certainly.The high temperature of processor can be accepted in the scope, maybe can lower the temperature by the internal heat dissipating of utilization own, to maintain in the acceptable temperature value, the problem of temperature rise of all just can not take place, otherwise just must reduce the temperature rise of processor with the spare part of external particular design, in can received number range, all be normal to make computer operating with the high temperature of keeping processor.Modal is to add radiating subassembly (Heat Sink Assembly) on electronic building brick, but the multi-form heat sinking benefit that radiating subassembly showed often has diversity.

Though heat abstractor has been the industry of a maturation, improve the space that promotes radiating efficiency but still have.Promptly as No. the 93208345th, TaiWan, China patent application " the punching press embedding group structure of fin and base " that the applicant applied for, main feature has the multiple tracks convex surface at the surface forming of base, and differ from the axial of convex surface, have plural number and be the groove that radially connects with these some convex surfaces; This fin just can corresponding insert in the groove, and the convex surface of the mould punching press fin both sides of mat one bottom surface tool grinding tooth makes convex surface stressed and produce and extend out deformation, and fin embedding group is planted stand on the base.This mode utilizes convex surface to increase the nargin of deformation, reaches preferable embedding group and connects airtight effect, and do not need mat tin cream and high temperature joint filling, simplifies man-hour and avoids processing pollution, promotes production efficiency simultaneously.

In addition, see also Figure 1 and Figure 2, be No. the 93214321st, another part TaiWan, China patent application " the punching press locking structure that includes the heat abstractor of heat pipe is made " that the applicant proposed, mainly utilize base 10, radiator 12 and heat pipe 14 to constitute, end face 102 in base 10 has chase 104, differ from the axial moulding multiple tracks groove 106 of chase 104, heat pipe 14 is preset in the chase 104.The fin 122 corresponding grooves 106 that insert of radiator 12, pressing heat pipe 14 simultaneously is positioned on the base 10, base 10 surfaces of mat mould 16 punching press fins 122 both sides, make its pressurized produce and extend out deformation, make fin 122 must with base 10 riveteds, and the tight knot of heat pipe 14 is positioned 10 of fin 122 and bases, and the radiating effect of this case will more win last known case.

But, being provided with of this heat pipe must be assisted by other detent mechanism of mat, to maintain the accurate position of preferable combination, moreover, heat pipe fixedly be to form by base and both involutory coatings of radiator, the error that will be difficult to avoid its moulding tolerance and be assembled, in conjunction with the gap controllability relatively poor, even radiator can't closely contact with heat pipe, will make product not form heat conduction efficiency not as expection.

The creator has dropped into for many years in this field, does one's utmost for the product research exploitation, for tight junction structure of the heat radiation of seeking more to progress greatly and radiating efficiency lifting thereof, so finish development and Design of the present utility model.

The utility model content

The purpose of this utility model is to provide a kind of punching press locking structure that includes the heat abstractor of heat pipe to make improvement, it utilizes and directly offer the tube seat that can supply heat pipe to wear on base, utilize mould punching press fin both sides and press sincere heat pipe deformation packing tube seat through the opening of tube seat, press from both sides sincere fin simultaneously, and the effect that produces tight knot one, avoid too much coating package assembly, can reduce the error, the tolerance that are assembled, make the gap smaller of combination.

An of the present utility model purpose is to promote the efficient of heat abstractor, see through the folding face of being located at the fin below, the contact area of fin and heat pipe is increased, so heat energy sees through base by outside the fin conductive, also can be directly conducted on the fin, use the lifting radiating efficiency via the folding face.

A purpose more of the present utility model is to offer the tube seat that this can supply heat pipe to wear, and makes the location heat pipe is promptly finished punching press under an action before, will effectively save the precision of Production Time and lifting product.

For reaching above-mentioned purpose, the utility model provides a kind of punching press locking structure that includes the heat abstractor of heat pipe to make improvement, comprise heat pipe, base and fin, offer a tube seat that can supply heat pipe to wear on this base, tube seat has an opening that is connected with the surface of base, susceptor surface is formed with and staggered plural groove and the teeth groove of tube seat, and fin can correspondingly insert groove; The corresponding punching press of teeth groove of mat a molding tool and fin both sides, and mould sees through opening and press sincere heat pipe, the heat pipe and the tube seat of deformation are tightly tied, and with the base pinch of the time stress and deformation fin of pulling, base, heat pipe and fin are tightly become one.

For increasing tight knot degree, on the surface of base, form and staggered several grooves and the teeth groove of tube seat, and described fin can correspondingly insert groove, each fin below has the folding face, this folding face will be overlying on the tube seat, the stressed generation distortion of the teeth groove of both sides is planted fin energy embedding group and is stood on the base, and makes the folding face of fin be close to heat pipe.

When being overlying on tube seat, the folding face of described fin also will post simultaneously on heat pipe, have the shaping dies punching press fin and the heat pipe of grinding tooth through this, the folding face of fin will be close to heat pipe under the urgent effect of extruding, and the group of fin embedding is simultaneously planted and stood on the base.

The effect of the utility model contrast prior art:

1, improves the complexity of in the past making heat abstractor, simplify the built-up time of the preceding spare part of punching press.

2, simplify too much clad structure, can reduce the error, the tolerance that are assembled, make the gap smaller of combination, promote heat dissipation for heat pipe.

Below will cooperate graphic explanation preferred embodiment of the present utility model; following cited embodiment is only in order to illustrate the utility model; be not in order to limit scope of the present utility model; anyly have the knack of this skill person; when doing a little change and retouching, therefore protection range of the present utility model is as the criterion when looking the claim person of defining.

Description of drawings

Fig. 1 is the exploded view of No. the 93214321st, TaiWan, China patent application;

Fig. 2 finishes figure for the punching press of No. the 93214321st, TaiWan, China patent application;

Fig. 3 is a three-dimensional exploded view of the present utility model;

Fig. 4 is the utility model combination stereogram during punching press not as yet;

Fig. 5 is the utility model combination of side view during punching press not as yet;

Fig. 6 is the combination of side view of the utility model punching course; And

The end view that Fig. 7 finishes for the utility model punching press.

The primary clustering symbol description

10 bases, 102 end faces

104 chases, 106 grooves

12 radiators, 122 fins

14 heat pipes, 20 bases

200 surperficial 202 tube seats

204 openends, 206 grooves

208 teeth groove, 22 heat pipes

24 radiator 24N fin

240N folding face 242N anchor ring

30 shaping dies, 32 grinding tooths

Embodiment

See also Fig. 3, the utility model composition mainly includes: base 20, heat pipe 22, number fin 24N, and number fin 24N can be combined to form a radiator 24 in advance.Wherein, offer the tube seat 202 that can supply heat pipe 22 to wear in base 20 appropriate positions, tube seat 202 has an opening 204 that is connected with the surface 200 of base 20.Drawn in the present embodiment for offering the wall scroll tube seat, offer a plurality of tube seats and on base, also can.The surface 200 of base 20 is formed with several grooves 206 and the teeth groove 208 that interlocks with tube seat 202, and this groove 206 presents adjacent in regular turn arrangement each other with teeth groove 208.

If when having groove 206 on the base 20, each sheet fin 24N can corresponding insert the groove 206 on the base 20 in regular turn, make fin 24N present the state that stands upright on the base 20, moreover, each fin 24N lower edge all has a folding face 240N, this folding face 240N by chance can cover tube seat 202 top openends 204, and makes this folding face 240N can fit tightly with heat pipe 22 after punching press.Under the situation of directly punching press, fin 24N can utilize base 20 surface of its both sides of the direct punching press of pressing equipment and is combined as a whole with base 20, and teeth groove 208 need be set on base 20, so in this embodiment, teeth groove 208 mainly provides fin 24N and the better guiding of pressing equipment.

After the combination, the utility model will present state as shown in Figure 4, because heat pipe 22 will directly be set in the tube seat 202 of base 20, so in Assembly Action, will be comparatively simple and easy, characteristic of the present utility model is on the tight knot density of below heat pipe 22, base 20 and radiator 24 more very known techniques, to utilize any feasible mode socket as for top radiator 24 and heat pipe 22, as present embodiment for respectively to have an anchor ring 242N around punching press is coated on heat pipe 22 at each fin 24N.Get back to base 20 position declaratives, except exposing part at opening 204, these heat pipe 22 most heat dissipation region are fitted direct and base 20, the utility model is for fear of any factor that may influence radiating efficiency, so further each fin 24N below of design has folding face 240N, to promote heat-conducting area and effect.

Please consult a series of decomposition punching course explanations of Fig. 5, Fig. 6 and Fig. 7 simultaneously, the parts of this series explanation include groove 206, teeth groove 208 and folding face 240N.Fig. 5 is the utility model combination of side view during punching press not as yet, fin 24N and folding face 240N thereof are located at the top of the groove 206 of base 20 through the mounting equipment action, in addition heat pipe 22 has been socketed in the tube seat 202 of base 20, and this moment, the upper limb position of heat pipe 22 was positioned at opening 204 and above the not punching press distortion of groove 206 bottoms one predetermined altitude.And then utilize a kind of shaping dies 30 compressing heat pipes 22, so can will produce deformation from the upper limb position that Fig. 6 understands heat pipe 22, the heat pipe 22 and the tube seat 202 of deformation are tightly tied, and relatively promptly tightly tie with base 20.The same time, fin 24N is oppressed and is embedded in the groove 206 of base 20, because of the groove body of groove 206 intersects at heat pipe 22, make fin 24N press heat pipe 22, so also with base 20 tight knot one.Folding face 240N will be overlying in the tube seat 202 and also will tightly tie at heat pipe 22 upper limbs simultaneously.

Please continue to consult Fig. 7, the teeth groove 208 of the punching press fin 24N both sides of the grinding tooth 32 of this shaping dies 30, teeth groove 208 stressed generations extend out distortion, teeth groove 208 produces the action of pushing to both sides with making originally, and this action will make the fin 24N and the base 20 that are arranged in the groove 206 become the riveted state, force base 20, heat pipe 22 and fin 24N tightly to become one really, fin 24N embedding group is planted stand on the base 20, the folding face 240N of fin 24N tightly ties in heat pipe 22 simultaneously.

Claims

1, a kind of punching press locking structure that includes the heat abstractor of heat pipe is made improvement, it is characterized in that: comprise heat pipe, base and fin, offer a tube seat that can supply heat pipe to wear on this base, tube seat has an opening that is connected with the surface of base, susceptor surface is formed with and staggered plural groove and the teeth groove of tube seat, and fin can correspondingly insert groove; The corresponding punching press of teeth groove of mat a molding tool and fin both sides, and mould sees through opening and press sincere heat pipe, the heat pipe and the tube seat of deformation are tightly tied, and with the base pinch of the time stress and deformation fin of pulling, base, heat pipe and fin are tightly become one.

2, the punching press locking structure that includes the heat abstractor of heat pipe as claimed in claim 1 is made improvement, it is characterized in that: mould penetrates the teeth groove punching press of fin to its two sides.

3, the punching press locking structure that includes the heat abstractor of heat pipe as claimed in claim 1 is made improvement, it is characterized in that: this plural number groove and teeth groove correspondence are located at the vertical axial of the tube seat of susceptor surface formation.

4, the punching press locking structure that includes the heat abstractor of heat pipe as claimed in claim 1 is made improvement, it is characterized in that: the lower edge of this fin has a folding face, and this folding face will be overlying on the heat pipe from the opening of tube seat.

5, the punching press locking structure that includes the heat abstractor of heat pipe as claimed in claim 1 is made improvement, and it is characterized in that: this heat pipe is located in the tube seat, and its rising wood is positioned at opening and above bottom portion of groove.

6, the punching press locking structure that includes the heat abstractor of heat pipe as claimed in claim 2 is made improvement, it is characterized in that: mould has grinding tooth, can carry out punching press to the teeth groove of fin both sides, the stressed generation of teeth groove extends out distortion, makes the fin and the base that are arranged in the groove become the riveted state.