JPS6126787Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is based on a seat plate made of aluminum alloy or industrial pure aluminum (hereinafter simply referred to as aluminum), stainless steel, copper, iron, etc., with a communication groove for fitting the end of the fin material. , aluminum, stainless steel, copper,
This relates to a heat dissipation fin in which the ends of a fin material made of a thin metal plate such as iron, bent in a zigzag pattern, are fitted and joined together.

The heat dissipation fin, which is made by bending a thin metal plate in a zigzag pattern and bonding it to the seat plate, has been registered as a utility model.
Although an application has already been filed as No. 1458168 (publication of Utility Model Publication No. 57-11190), it is extremely difficult to maintain the shape of this fin material, which is made by bending a thin metal plate in a zigzag manner, in a predetermined position on the seat plate. Therefore, when assembling and joining this fin material and seat plate, it is necessary to fix the seat board and fin material with a jig, and it is also necessary to remove the jig after joining, so assemble the heat dissipation fins, The disadvantage is that it takes a lot of time and effort to join.

The purpose of this invention is to eliminate the drawbacks of these heat dissipation fins, to easily assemble and join the heat dissipation fins, and to reduce the time and labor required for assembly and joining.

Applications of the heat dissipation fins of this invention include heat sinks for electronic components and heating/cooling devices.

Next, one embodiment of the heat radiation fin of this invention will be described with reference to the drawings.

Example A communication groove 2 having a width L corresponding to the zigzag width L of the fin material 3 is formed in an aluminum seat plate 1 from one end of the seat board 1 to the other end (from the left end to the right end in the drawing). Provide one.

The fin material 3 has a thickness of approximately 0.16 mm, and is made by bending a flat plate of aluminum in a zigzag manner at a nearly right angle in the front-rear direction, and providing as large as possible openings 4 in the zigzag-shaped peaks 3' and troughs 3'', respectively. This is fin material 3.

The lower end of the fin material 3 is connected to the seat plate with the peaks 3' and troughs 3'' in the longitudinal direction of the fin material 3 in the direction of the communication groove 2 of the seat plate 1 (the longitudinal direction in the drawing of FIG. 1). This is a heat dissipation fin 5 in which the seat plate 1 and the fin material 3 are joined by fitting and fixing into the communication groove 2 of the heat sink 1 and brazing.

In the heat dissipation fin 5 of this embodiment, the peaks 3' and troughs 3'' in the front-rear direction of the fin material 3 fit into the side wall 2' of the communication groove 2 provided in the seat plate 1 over a relatively wide area, so the fin 3 can be relatively strongly fitted into the groove 2 of the seat plate 1, and can be brazed relatively strongly.

Furthermore, the heat dissipation fins 5 of this embodiment have openings 4 in the peaks 3' and troughs 3'' in the longitudinal direction of the fins 3, so that air flows well to the sides from the openings 4 of the fins 3. Therefore, the heat dissipating fins 5 can effectively dissipate heat.

Although this embodiment has been described with one communication groove provided in the seat plate, it is also possible to provide a plurality of communication grooves in the seat plate and fit the ends of the fin material bent in a zigzag manner into each communication groove. It may also be joined.

The heat dissipation fin of this invention is made of a fin material made of a thin metal plate bent in a zigzag pattern in the front and back direction.
Since it is a heat dissipation fin that is fitted and fixed into the communication groove of the seat plate and bonded, it is not necessary to fix the seat plate and the fin material with a jig like in the past, and remove the jig after joining. The fin material can be easily assembled, and since the assembled seat plate and fin material can be fixed by fitting, the seat plate and the fin material can be easily joined together by brazing or the like. Therefore, the time and labor required for assembling and joining the heat dissipation fins can be reduced.

Furthermore, in the heat dissipation fin of this invention, the peaks and valleys in the longitudinal direction of the fin material fit into the side walls of the communication groove provided in the seat plate over a relatively wide area, and the seat plate and the fin material fit together. Since the peaks and valleys in the front and back direction of the fin material and the ends of the fin material are brazed and joined, the heat dissipation fin is stronger than the conventional heat dissipation fin material in which the seat plate and the fin material are simply joined. be able to.

[Brief explanation of the drawing]

FIG. 1 is a plan view, FIG. 2 is a front view, FIG. 3 is a side view, and FIG. 4 is an enlarged perspective view. 1 is a seat plate, 2 is a communication groove, 3 is a fin material, 4 is an opening, and 5 is a heat radiation fin.

Claims (1)

[Scope of utility model registration request] A heat dissipation fin formed by joining an end portion of a fin material formed by bending a thin metal plate in a zigzag manner to a metal seat plate, the seat plate having a communication groove having a width corresponding to the width of the fin material. and a heat dissipation fin formed by fitting and joining an end of the fin material into the communication groove.