CN2847529Y - Combination structure of heat sink - Google Patents

Abstract

The utility model relates to a joint structure of fin, it contains a plurality of heat radiation fins and an at least joint body, each heat radiation fins be parallel interval and erect, and its at least edge is equipped with an at least hooking portion, and the joint body corresponds above-mentioned hooking portion department and is equipped with an at least accepting portion that supplies its joint, so that the joint body become horizontal with each heat radiation fins connects to establish, and makes the parallel interval of adjacent heat radiation fins is fixed.

Description

Combination structure of heat sink

technical field

The utility model relates to a combination structure of heat dissipation fins, in particular to a combination structure of a plurality of stacked heat dissipation fins.

Background technique

In order to effectively dissipate heat from the current high-heating electronic parts (such as: CPU), etc., to maintain the operation of the electronic parts at normal operating temperatures, a heat sink is usually used to attach the electronic parts to help dissipate heat. Aluminum extruded and die-cast radiators have limited heat dissipation area due to pre-processing, and the heat dissipation area cannot be adjusted according to the heating temperature of different electronic parts. forming, and stacking the sheets in parallel and at intervals to adjust and increase the heat dissipation area of the radiator.

The above-mentioned mainland patent No. 03263204.5 discloses a combined-fin heat sink, which is composed of a base, a plurality of parallel-arranged cooling fins standing on the surface of the base, and two engaging bodies. One edge of each heat dissipation fin is bent and extended to a long fold, and the long fold is attached to the surface of the base, and the other edge is respectively bent and extended to both sides by a short fold, corresponding to the short fold. A through hole is arranged at an appropriate position of the body. Both ends of the engaging body extend vertically downward respectively with a stop piece, and a convex point is formed on the inner side of the stop piece, and a plurality of protruding pieces extend vertically downward on one side of the engaging body, and the protruding pieces can be inserted into the corresponding adjacent to the space between the heat dissipation fins, and make the bumps fit into the through holes of the heat dissipation fins.

The above-mentioned prior art has its problems in use. The space between the heat dissipation fins is for fluid flow, and the heat conducted by the heat dissipation fins is taken away by the fluid to help heat dissipation, but the plurality of protrusions inserted between adjacent heat dissipation fins fins, forming barriers in the space between the heat dissipation fins, and then disturbing the fluid flow state between the heat dissipation fins, making it difficult for the fluid to flow out from both sides of the space. In addition, the structure of the engaging body is complicated, that is, More material is required to form, which increases manufacturing costs.

Therefore, in view of the above-mentioned shortcomings, the utility modeler of this case exhausted his brains, with many years of experience in the industry, devoted himself to research, innovated and improved, and finally successfully developed and completed the combination structure of this heat sink, which is actually a function enhancement. new type.

Contents of the invention

The main purpose of the present invention is to provide at least one clamping body provided with a receiving portion correspondingly engaging the hooking portions of the edges of each plurality of heat dissipation fins, so that the plurality of heat dissipation fins are arranged in parallel and fixed at intervals.

Another object of the present invention is to provide a clamping body that will not affect the space between two adjacent heat dissipation fins, so that the fluid flowing in the space between the two heat dissipation fins will not be disturbed and can smoothly flow outwards. flow out.

Another object of the present invention is to provide a combination structure of heat sinks with simple structure, convenient assembly, low cost and easy operation.

In order to achieve the above object, the utility model provides a combination structure of heat sinks, which includes a plurality of heat sinks erected in parallel intervals, at least one edge of each heat sink is provided with a at least one hooking part; and at least one snap-in body in the shape of a strip, and at least one receiving part for the hooking part to be engaged is provided at a place corresponding to the above-mentioned hooking part.

Description of drawings

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

Fig. 2 is the three-dimensional combination schematic diagram of the utility model;

Fig. 3 is a three-dimensional exploded schematic diagram of the hooking part of the utility model provided on the two opposite left and right side edges of the cooling fins;

Fig. 4 is a three-dimensional combination schematic diagram of the hooking part of the utility model provided on the two opposite left and right side edges of the cooling fins;

Fig. 5 is a three-dimensional schematic diagram of a plurality of cooling fins connected with a base of the present invention;

Fig. 6 is a three-dimensional schematic diagram of a plurality of cooling fins connected to a base of the present invention;

Fig. 7 is a three-dimensional exploded schematic diagram of a combination of multiple cooling fins and a base in another form of the present invention;

Fig. 8 is a three-dimensional combination schematic diagram of a plurality of cooling fins combined with a base in another form of the present invention;

Fig. 9 is a three-dimensional exploded schematic view of another form of the receiving part of the present invention combined with the hooking part;

Fig. 10 is a three-dimensional combination schematic diagram of another form of the receiving part of the utility model combined with the hooking part;

Fig. 11 is a three-dimensional exploded schematic diagram of another form of the hooking part of the utility model combined with the receiving part;

Fig. 12 is a three-dimensional combination schematic diagram of another form of the hooking part of the utility model combined with the receiving part;

Fig. 13 is a schematic diagram of ventilating holes on the clamping body in the first form;

Fig. 14 is a schematic diagram of opening vent holes on the snap-in body in the second form.

Explanation of reference signs: 10 cooling fins; 11 hooking part; 111 groove; 112 needle body; ; 411 spacing; 412 plate body; 42 ventilation holes.

Detailed ways

The utility model provides a combined structure of heat sinks, please refer to Figure 1 and Figure 2, which is a preferred embodiment of the utility model, which includes a plurality of heat sink fins 10 and at least one clamping body 20, wherein the The plurality of heat dissipation fins 10 are erected at intervals in parallel, and at least one edge of each heat dissipation fin 10 is provided with a hooking portion 11, and the hooking portion 11 is respectively provided on each heat dissipation fin in this preferred implementation. 10, two opposite upper and lower edges, and the hooking portion 11 includes a groove 111, and the groove 111 is provided with two opposite pins (pins) 112 extending toward the edge of the cooling fin 10;

The clamping body 20 is in the shape of a strip. In this preferred embodiment, the number of the clamping bodies 20 is four and respectively correspond to the grooves 111 of the hooking parts 11 on the upper and lower edges, which correspond to At least one receiving portion 21 is provided at the position of the hooking portion 11 . In this preferred embodiment, the receiving portion 21 is at least two notches recessed from both sides of the locking body 20 toward opposite directions.

The above-mentioned at least one clamping body 20 is respectively clamped to the grooves 111 of the hooking parts 11 on the upper and lower edges of the heat dissipation fin 10, and the two opposite pins (pins) 112 in the grooves 111 are directed toward the two sides. The direction of the notch (that is, the receiving part 21) is relatively bent and folded (or clamped) on the solid part of the snap-in body 20, so that the snap-in body 20 is placed horizontally and connected to each of the heat dissipation fins 10. , and because each heat dissipation fin 10 is fastened to the receiving portion 21 of the snap-in body 20, each heat dissipation fin 10 obtains an upright support force, so that the heat dissipation fins 10 are positioned and fixed in parallel adjacent intervals .

In addition, as shown in Figure 3 and Figure 4, the hooking part 11 in this preferred embodiment can be provided on the two opposite left and right sides of each cooling fin 10, and then the locking body 20 The receiving portion 21 is connected and fixed to the hooking portion 11 of each heat dissipation fin 10 to achieve the same effect.

Again, as shown in Figure 5 and Figure 6, above-mentioned two kinds of combination forms of multiple cooling fins can be respectively connected with a base 30, and the connection method can be bonded or a notch can be set on the base 30 in advance (in the figure Not shown) can be realized by embedding a plurality of cooling fins 10 or the like.

In addition, as shown in Figures 7 and 8, the above-mentioned hooking part 11 of the first form is only provided on the upper edge of a plurality of heat dissipation fins 10, and the receiving part 21 of the snap-fit body 20 is connected to the The above-mentioned hooking portion 11 is combined, and the lower edge of the plurality of cooling fins 10 is connected with a base portion 30 relative to the upper side, and the same effect as above can also be achieved.

Please refer to Fig. 9 and Fig. 10 again, the receiving portion 41 of the clamping body 40 can not only be the above-mentioned form, but also at least one through hole penetrating through the clamping body 40, the through hole and the There is a distance 411 between the two edges of the clamping body 40, and then the two opposite pins (pins) 112 of the hooking part 11 are inserted through the through hole (that is, the receiving part 41) to the distance 411 towards the clamping body 20 In addition, as shown in Figure 11 and Figure 12, the two opposite needle bodies 112 of the hooking part 11 can also cooperate with the receiving part 41 in the form of a through hole to form a The plate body 412 with the same shape of the through hole is bent toward the solid part of the engaging body 20 after the plate body 412 is inserted through the through hole (that is, the receiving portion 41 ).

In addition, as shown in Figure 13 and Figure 14, the snap-fit body 20, 40 is provided with at least one passage through the snap-fit body 20, 40 at a position corresponding to two adjacent heat dissipation fins 10. Air holes 22, 42, so that gas can enter or exit between the two adjacent heat dissipation fins 10 through the air holes 22, 42, so that the air flow can flow smoothly.

In addition, an adhesive is applied at the junction between the hooking portion 11 and the receiving portions 21 , 41 , so that the two can be more firmly connected.

From the above description, the utility model improves the problems caused by the implementation of the prior art. The utility model utilizes at least one snap-in body 20, 40 separated from a plurality of heat dissipation fins 10 to connect with the heat dissipation fins 10, so that A plurality of heat dissipation fins 10 can be arranged and fixed in parallel at intervals, and the structure of the clamping body 20, 40 is simple so that it is easy to connect with the heat dissipation fins 10, making assembly convenient and increasing production efficiency, and improving the existing plate beam A plurality of protruding fins are inserted between adjacent heat dissipation fins to form barriers, thereby interfering with the fluid flow state between heat dissipation fins. Interfering with the flowing fluid, so that the fluid can flow outward smoothly, and the clamping body 20, 40 is further provided with a vent hole at the position corresponding to the position between the two adjacent heat dissipation fins 10, and the fluid can flow in and out more smoothly, Furthermore, the heat conducted by the heat dissipation fins is taken out to improve heat dissipation efficiency.

The above are only preferred and feasible embodiments of the present utility model, and all changes made by using the above-mentioned method, shape, structure, and device of the present utility model should be included in the claims of the present case.

Claims (8)

1. A combined structure of heat sinks, comprising a plurality of heat sink fins and at least one clamping body, characterized in that: A plurality of heat dissipation fins are erected in parallel and spaced apart, and at least one edge of each heat dissipation fin is provided with at least one hooking portion; At least one engaging body is elongated, and corresponding to the hooking portion, at least one receiving portion for engaging the hooking portion is provided. 2 . The combination structure of the heat sink according to claim 1 , wherein the engaging portion comprises a groove and two opposite pins disposed in the groove and extending toward the edge of the heat dissipation fin. 3 . 3 . The combination structure of the heat sink according to claim 1 , wherein the hooking portion comprises a groove and at least one plate disposed in the groove and extending toward the edge of the heat dissipation fin. 4 . 4 . The combination structure of heat sinks according to claim 1 or 2 , wherein the receiving portion is at least two notches recessed from both sides of the engaging body toward opposite directions. 5 . 5. The combined structure of heat sinks according to claim 1 or 3, wherein the receiving portion is at least one through hole penetrating through the clamping body, and the through hole and the clamping body There is a gap between the two edges of . 6 . The combination structure of heat dissipation fins according to claim 1 , wherein one side of the plurality of heat dissipation fins is connected to a base. 7 . The combination structure of heat sinks according to claim 1 , wherein at least one air hole is provided at a position corresponding to the position between two adjacent heat sink fins on the engaging body. 7 . 8 . The combination structure of heat sinks according to claim 1 , wherein an adhesive is provided at the joint between the hooking portion and the receiving portion. 9 .

Images