CN202419585U

CN202419585U - Tight connecting structure for fins and heat conducting plate of radiator

Info

Publication number: CN202419585U
Application number: CN2011204849156U
Authority: CN
Inventors: 陈世明
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-25
Filing date: 2011-11-25
Publication date: 2012-09-05
Anticipated expiration: 2021-11-25

Abstract

A tight connecting structure for fins and a heat conducting plate of a radiator includes a fin group and a heat conducting plate, wherein the fin group includes a plurality of fins; one side of the bottom end of each fin is formed into a bent face; the bent face is provided with a first surface and a second surface; at least one group hole is arranged and used for communicating the first surface with the second surface; an annular wall is arranged on the outer periphery of the group hole in the second surface; one binding face of the heat conducting plate is tightly connected with the first surface of the bent face; the other surface of the heat conducting plate is a mating face; a heat surface is arranged on the mating face; a convex column is arranged on the mating face corresponding to the group hole of each fin; the convex column is sleeved with the group hole; and the annular wall deformed as punched by external force is tightly riveted with the convex column. The heat produced by the heat source is transmitted to the heat conducting plate and radiated through the tightly connected fin group, so as to improve the radiating efficiency.

Description

The tight knot driving fit structure of the fin of radiator and heat-conducting plate

Technical field

The utility model is relevant for a kind of tight knot driving fit structure of fin and heat-conducting plate of radiator; Especially refer to a kind of radiator that is applied to light emitting diode photoelectricity module; With and the tight knot driving fit structure of fin and heat-conducting plate, and then reach and promote heat dissipation and have waterproof effect concurrently.

Background technology

General radiator is formed, and comprises the fins group that is made up of plurality of fins at least, and the heat-conducting plate (seat) that combines with thermal source is tightly tied fins group and heat-conducting plate (seat), passes through heat-conducting plate (seat) with the heat that the thermal source generation is provided, and dispels the heat by fins group.

Again; The heat sink applications of commonly using is an example in light emitting diode photoelectricity module; Wherein, make, include: a ring bodies for a kind of locking structure that comprises the heat abstractor of ring bodies like the novel M345951 patent of TaiWan, China case; Its periphery is provided with plural number adjacent and tactic guide channel of mutual mistake and groove, and ring bodies inside is provided with the seat board that a supplying heat source is installed; Plurality of radiating fins is laid along the groove of ring bodies and to be plugged together, and tightly ties one; By above-mentioned characteristic, make this heat that produces like the thermal source of light-emitting diode (LED) module, through the conduction of seat board, ring bodies, and by those fin heat radiations; With regard to the combinations thereof structure, need tightly to tie through punching press repeatedly, not only complex structure, spare part are many; And the heat that this thermal source produces is through seat board, ring bodies guiding; Beginning can be passed to the fin heat radiation, its thermal energy transfer path length, thermal resistance height, and radiating effect is not also attained ideal.

For improving above-mentioned disappearance, the novel M413817 patent of the TaiWan, China case of before this case applicant, being announced is a kind of structure of diode artistic lamp, includes at least: a lamp holder; One fins group comprises plurality of fins, and the fin medial extremity is provided with an oblique rib, and its bottom one side forms a fan-shaped folding face, and fan-shaped folding face is provided with one group of hole; One pedestal has first surface and second surface, and first surface is established the led lighting module, and second surface is provided with and the said group of projection that the hole is corresponding, and projection loads knot with the group borehole jack, to form radiator.

With regard to said structure; Simplified and do not needed to have the design of this ring bodies and seat board like the radiator of commonly using; Simultaneously also can promote radiating effect, but because this group hole and projection are to utilize the punching press projection to be piercing in the rear end side compressional deformation of organizing the hole to extend out, with the folding face of this fin of riveted; Therefore should the folding face and the backboard of pedestal or this pedestal and led lighting module; Can be because of stressed or its internal stress produce gap or out-of-flatness, the heat that influences fin and pedestal passes the contact surface planarization of usefulness, therefore is necessary to improve.

The utility model content

The main purpose of the utility model is to provide the tight knot driving fit structure of the fin and the heat-conducting plate of radiator, tightly ties and keep good thermal applying contact-making surface to promote it, promotes its radiating efficiency.

The secondary objective of the utility model is to provide the tight knot driving fit structure of the fin and the heat-conducting plate of radiator, with its parts driving fit of further enhancement and promote anti-water coefficient, reaches and prevents that moisture from infiltrating the effect of thermal source.

For reaching above-mentioned purpose, the technological means that the utility model adopts is a kind of tight knot driving fit structure of fin and heat-conducting plate of radiator, comprising:

One fins group; Comprise plurality of fins, respectively this fin bottom medial extremity is provided with an oblique rib, and a side of its bottom forms a fan-shaped folding face; Its outer side edges is provided with a Turn up hem; The folding mask have with the first surface of the tight knot of heat-conducting plate and with the second surface of this first surface opposite face, first, second surface is communicated with is provided with at least one group of hole, and outer rim is provided with a ring wall in the group hole of second surface;

One heat-conducting plate, a binding face of heat-conducting plate is tightly tied with the first surface of folding face, and heat-conducting plate is the composition surface with respect to another surface of said binding face; The composition surface is provided with thermal source; And this binding face correspondence respectively is provided with projection in the group hole of this fin, projection and group borehole jack dress, and the free end of projection is outstanding, and to be located at described ring wall peripheral; Ring wall and this projection riveted through external force punching press deformation; The first surface that simultaneously should the folding face and the binding face of heat-conducting plate are tightly tied, and the heat that thermal source produces conducts to heat-conducting plate, through the fins group heat radiation of combining closely.

Preferably, a side of those fin bottoms forms a folding face, and its outer end is provided with a draw-in groove, and further provide one have a frame hole mask, the mask side face is provided with the ring limit of the corresponding tight knot of pegging graft with draw-in groove.

Preferably, this mask side face is right after with the corresponding grafting of draw-in groove of those fins, and the frame hole inwall of this mask is installed with one and is pressing part, and the heat-conducting plate that comprises thermal source is located at and is being pressed part inner, and is pressing part and heat-conducting plate composition surface periphery cramping one waterproof washer closely.

Preferably, respectively the medial extremity of this fin is provided with the oblique rib that reclines with adjacent fin, and a side of bottom forms a fan-shaped folding face, and has the fins group of annular inner wall through this oblique rib and fan-shaped folding face and the adjacent fin composition one that reclines.

Preferably, this folding face is provided with first, second surperficial circular group hole of at least one connection, and the binding face of heat-conducting plate is provided with should organizing a circular projection in hole, and described group of hole and projection suit, tightly ties through ring wall and this projection riveted of external force punching press deformation.

Preferably, this thermal source is a light-emitting diode (LED) module.

Preferably, this is pressing part to be the light-passing board with plastics or glass ware forming.

Preferably, the outer side edges of this fin is provided with a Turn up hem, and the space of unrolling of this Turn up hem has a passage.

Preferably, this waterproof washer is the waterproof washer with a loop shaped of silica gel or rubber-moulding.

Preferably, this folding face is provided with and is communicated with first, second surperficial group hole, and the group hole outer rim one that is positioned at second surface has extended a ring wall.

Pass through technique scheme; The utility model can overcome the stressed of punching press deformation or its internal stress influence; Make fin and heat-conducting plate obtain good tight knot, no matter and at folding face and heat-conducting plate or the heat-conducting plate and the thermal source of fin, all can obtain good heat posted and close contact-making surface; Improve the disappearance of commonly using, promote heat dissipation simultaneously; Moreover the utility model can prevent more that by this and heat-conducting plate composition surface periphery and the waterproof washer setting of pressing part driving fit cramping moisture from infiltrating, and reaches waterproof performance and promotes effect.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model.

Fig. 2 is the stereo amplification figure of the utility model fin.

Fig. 3 is the utility model fin and base combination sketch map.

Fig. 4 tightly ties sketch map for the utility model fin and pedestal riveted.

Fig. 5 is the assembled sectional view of the utility model.

The primary clustering symbol description

23 groups of holes of 10 lamp holders

11 links, 24 draw-in grooves

12 open ends, 30 heat-conducting plates

2 fins group, 31 binding faces

20 fins, 32 composition surfaces

21 oblique rib 33 projections

201 Turn up hem, 331 free ends

202 passages, 40 thermals source

22 folding faces, 50 masks

221 first surfaces, 51 ring limits

222 second surfaces 60 are being pressed part

231 ring walls, 70 waterproof washers

The specific embodiment

Head sees also shown in Fig. 1～3, and the tight knot driving fit structure of the fin of a kind of radiator of the utility model and heat-conducting plate comprises: a lamp holder 10, have a link 11 and an open end 12, and open end 12 root edges and fins group 2 are tightly tied;

One fins group 2 comprises plurality of fins 20, and respectively the inner side edge of this fin 20 is provided with the oblique rib 21 that reclines with adjacent fin 20; One side of its bottom forms a fan-shaped folding face 22; Those fins 20 recline each other, have the fins group 2 of annular inner wall to form one, and folding face 22 has the first surface 221 with heat-conducting plate 30 tight knots; With with the second surface 222 of these first surface 221 opposite faces; First, second surface 221,222 is communicated with is provided with at least one circular group hole 23, be illustrated as two

group holes

23, and 23 outer rim one has extended a ring wall 231 in the group hole of second surface 222;

One heat-conducting plate 30; One binding face 31 of heat-conducting plate 30 and the first surface 221 of folding face 22 are tightly tied, and heat-conducting plate 30 is composition surface 32 with respect to another surface of said binding face 31, and composition surface 32 is provided with thermal source 40; Like light-emitting diode (LED) module; And these binding face 31 correspondences respectively are provided with circular projection 33 in the group hole 23 of this fin 20, projection 33 and group hole 23 suits, and the free end 331 of projection 33 is outstanding is located at described ring wall 231 peripheries; Ring wall 231 and these projection 33 riveteds (with reference to figure 4) through external force punching press deformation; The first surface 221 that simultaneously should folding face 22 and the binding face 31 of heat-conducting plate 30 tightly ties, and the heat that thermal source 40 produces conducts to heat-conducting plate 30, dispel the heat through the fins group 2 of tight knot driving fit.

Again, the outer side edges of the utility model fin 20 is provided with a Turn up hem 201, and the space of unrolling of Turn up hem 201 has a passage 202, not only can increase area of dissipation by this, effectively reduces fin 20 surface temperatures, and it is injured to prevent that staff from very not contacting.

Moreover; See also Fig. 1～2, the fins group 2 of the utility model comprises plurality of fins 20; One side of those fin 20 bottoms forms a folding face 22; Its outer end is provided with a draw-in groove 24, and further provide one have a frame hole mask 50, mask 50 side faces are provided with and the ring limits 51 of the draw-in groove 24 corresponding tight knots of pegging graft.

The continuous Fig. 1,5 that sees also; Wherein the utility model is to be right after with the draw-in groove 24 corresponding grafting of those fins 20 in these mask 50 side faces; The frame hole inwall of this mask 50 is installed with one and is pressing part 60; This is pressing part 60 is the light-passing boards with plastics or glass ware forming, and the heat-conducting plate 30 that comprises thermal source 40 is located at and is being pressed part 60 inside, and is pressing part 60 and the heat-conducting plate 30 composition surface peripheries waterproof washer 70 of cramping one silica gel or rubber-moulding closely; Can prevent that by this moisture from infiltrating from its neighboring, further to promote waterproof performance.

Claims

1. the tight knot driving fit structure of the fin of a radiator and heat-conducting plate is characterized in that, comprising:

One fins group; Comprise plurality of fins; Respectively a side of this fin bottom forms a folding face; The folding mask have with the first surface of the tight knot of heat-conducting plate and with the second surface of this first surface opposite face, first, second surface is communicated with is provided with at least one group of hole, and outer rim is provided with a ring wall in the group hole of second surface;

2. the tight knot driving fit structure of the fin of radiator as claimed in claim 1 and heat-conducting plate; It is characterized in that: a side of those fin bottoms forms a folding face; Its outer end is provided with a draw-in groove; And further provide one have a frame hole mask, the mask side face is provided with the ring limit of the corresponding tight knot of pegging graft with draw-in groove.

3. the tight knot driving fit structure of the fin of radiator as claimed in claim 2 and heat-conducting plate; It is characterized in that: this mask side face is right after with the corresponding grafting of draw-in groove of those fins; The frame hole inwall of this mask is installed with one and is pressing part; The heat-conducting plate that comprises thermal source is located at and is being pressed part inner, and is pressing part and heat-conducting plate composition surface periphery cramping one waterproof washer closely.

4. the tight knot driving fit structure of the fin of radiator as claimed in claim 1 and heat-conducting plate; It is characterized in that: respectively the medial extremity of this fin is provided with the oblique rib that reclines with adjacent fin; One side of bottom forms a fan-shaped folding face, and reclines through this oblique rib and fan-shaped folding face and adjacent fin and to form one and have the fins group of annular inner wall.

5. the tight knot driving fit structure of the fin of radiator as claimed in claim 1 and heat-conducting plate; It is characterized in that: this folding face is provided with first, second surperficial circular group hole of at least one connection; The binding face of heat-conducting plate is provided with organizing a circular projection in hole; And described group of hole and projection suit, tightly tie through ring wall and this projection riveted of external force punching press deformation.

6. like the tight knot driving fit structure of the fin and the heat-conducting plate of claim 1 or 3 described radiators, it is characterized in that: this thermal source is a light-emitting diode (LED) module.

7. the tight knot driving fit structure of the fin of radiator as claimed in claim 3 and heat-conducting plate is characterized in that: this is pressing part to be the light-passing board with plastics or glass ware forming.

8. like the tight knot driving fit structure of the fin and the heat-conducting plate of claim 1,2 or 4 described radiators, it is characterized in that: the outer side edges of this fin is provided with a Turn up hem, and the space of unrolling of this Turn up hem has a passage.

9. the tight knot driving fit structure of the fin of radiator as claimed in claim 3 and heat-conducting plate, it is characterized in that: this waterproof washer is the waterproof washer with a loop shaped of silica gel or rubber-moulding.

10. like the tight knot driving fit structure of the fin and the heat-conducting plate of claim 1 or 4 described radiators, it is characterized in that: this folding face is provided with and is communicated with first, second surperficial group hole, and the group hole outer rim one that is positioned at second surface has extended a ring wall.