A kind of structure improved heat sink section bar
Technical field
The utility model belongs to the heat sink section bar technical field, relates in particular to a kind of structure improved heat sink section bar.
Background technology
Electronic product needs heat sink section bar to accelerate heat radiation usually, and heat sink section bar has advantages such as good heat conductivity, in light weight, advantages of good casting.Application number is that 200910170265.5 Chinese utility model patent discloses a kind of heat sink section bar, and it comprises heat-radiating substrate, and is arranged at the radiating piece on the heat-radiating substrate, and radiating piece combines in a tubular form with heat-radiating substrate, and the top, cross section is an arc.As further improved radiating piece, its external shaft is to being provided with fin; The inner shaft of radiating piece is to also being provided with fin.This heat sink section bar complex structure, the extrusion process difficulty, and can not be used in combination.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, and a kind of structure improved heat sink section bar is provided, and it is simple in structure, extrusion process easily, and also two or more structure improved heat sink section bar can be used in combination.
The utility model is realized by following technology.
A kind of structure improved heat sink section bar, it comprises heat-radiating substrate, heat-radiating substrate comprises upper wall and lower wall, upper wall is provided with several radiating pieces, the top of radiating piece is provided with card base, and the lower wall of heat-radiating substrate is provided with and the corresponding draw-in groove of the quantity of radiating piece, and card base and draw-in groove coincide.
Wherein, the spacing between per two draw-in grooves equates, the spacing between per two card bases equates, per two card bases equate with spacing between per two draw-in grooves.
Wherein, card base comprises horizon bar and vertical rod, and horizon bar is connected with radiating piece, and vertical rod is connected with horizon bar.
Wherein, the width of the inwall of draw-in groove is than the big 0.1mm ~ 0.2mm of width of vertical rod.
Wherein, the big 0.1mm ~ 0.2mm of height of the inwall of the aspect ratio draw-in groove of vertical rod.
Wherein, heat-radiating substrate undulate.
The beneficial effects of the utility model are: a kind of structure improved heat sink section bar of the present utility model, it comprises heat-radiating substrate, heat-radiating substrate comprises upper wall and lower wall, upper wall is provided with several radiating pieces, the top of radiating piece is provided with card base, the lower wall of heat-radiating substrate is provided with and the corresponding draw-in groove of the quantity of radiating piece, and card base and draw-in groove coincide.The utility model is simple in structure, extrusion process easily, and by the cooperation of card base and draw-in groove, two or more these structure improved heat sink section bars can be used in combination radiating efficiency height, good heat dissipation effect.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of structure improved heat sink section bar of the present utility model.
Fig. 2 is the A place enlarged diagram of Fig. 1.
Fig. 3 is a kind of structure improved heat sink section bar user mode schematic diagram of the present utility model.
In Fig. 1 to Fig. 3, include:
1---heat-radiating substrate 2---upper wall 3---lower wall
4---radiating piece 5---card base 6---draw-in grooves
7---horizon bar 8---vertical rod.
The specific embodiment
With the following Examples the utility model is further described.
Shown in Fig. 1 ~ 3, a kind of structure improved heat sink section bar, it comprises heat-radiating substrate 1, heat-radiating substrate 1 comprises upper wall 2 and lower wall 3, upper wall 2 is provided with several radiating pieces 4, the top of radiating piece 4 is provided with card base 5, and the lower wall 3 of heat-radiating substrate 1 is provided with and the corresponding draw-in groove 6 of the quantity of radiating piece 4, and card base 5 coincide with draw-in groove 6.
Present embodiment is simple in structure, extrusion process easily, and by the cooperation of card base 5 and draw-in groove 6, two or more these structure improved heat sink section bars can be used in combination.When the structure improved heat sink section bar of two present embodiments is used in combination, the card base 5 of first structure improved heat sink section bar is inserted in the draw-in groove 6 of second structure improved heat sink section bar, card base 5 cooperates with draw-in groove 6, is connected firmly, and is not easy generation and is shifted.Similarly, the structure improved heat sink section bar more than three or three can be used in combination, radiating efficiency height, good heat dissipation effect.
Spacing between per two draw-in grooves 6 of present embodiment equates, the spacing between per two card bases 5 equates, per two card bases 5 equate with spacing between per two draw-in grooves 6.Draw-in groove 6 is uniformly distributed in the lower wall 3 of heat-radiating substrate 1, and radiating piece 4 is uniformly distributed in the upper wall 2 of heat-radiating substrate 1, and the spacing between the inwall of per two radiating pieces 4 is 18.3mm ± 0.1mm.Present embodiment is simple in structure, help thermal current evenly, distribute radiating efficiency height, good heat dissipation effect apace.
The card base 5 of present embodiment comprises horizon bar 7 and vertical rod 8, and horizon bar 7 is connected with radiating piece 4, and vertical rod 8 is connected with horizon bar 7.Card base 5 is the T font, and card base 5 cooperates firmly with draw-in groove 6, is not easy to produce displacement.
The width of the inwall of the draw-in groove 6 of present embodiment is than the big 0.1mm ~ 0.2mm of width of vertical rod 8, the big 0.1mm ~ 0.2mm of height of the inwall of the aspect ratio draw-in groove 6 of vertical rod 8.Vertical rod 8 cooperates closely with draw-in groove 6, is connected firmly, and is not easy to produce displacement.
Heat-radiating substrate 1 undulate of present embodiment, corrugated heat-radiating substrate 1 can increase the area that heat-radiating substrate 1 contacts with air, improves radiating rate, good heat dissipation effect, and good looking appearance, extrusion process is easy.
The above only is a better embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.