Heat dissipation plate convenient to weld

Abstract

The utility model provides a radiating plate convenient to weld, which relates to the technical field of radiators, and comprises a plurality of radiating plate units which are butted end to end, each radiating plate unit is provided with a connecting part, a positioning mechanism is connected between every two adjacent radiating plate units, and each positioning mechanism comprises a connecting ring, a positioning toothed bar, a positioning groove, a positioning bolt and a supporting spring. The connecting ring sleeves the outer side of the heat dissipation plate unit in a concave-convex fit manner, a plurality of positioning chutes are formed in the upper side of the positioning toothed bar, the positioning bolt is in threaded connection with the connecting ring, the lower end of the positioning bolt penetrates through the heat dissipation plate unit to abut against the inclined side walls of the positioning chutes, and the two ends of the supporting spring are connected between the positioning toothed bar and the positioning chutes respectively. According to the utility model, the positioning bolt can abut against the positioning chute on the positioning toothed bar, so that the width of a welding seam between two adjacent heat dissipation units is adjusted, and the optimal welding effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of radiators, in particular to a radiator plate which is convenient for welding. Background Art

[0002] Heat sinks are widely used in automotive driving system chips. In practical use, two heat sinks sometimes need to be welded together. During the welding process, the aluminum groove and the heat sink need to be manually aligned with each other before welding. However, the heat exchange plate area of ​​the system chip is relatively small, and manual alignment can easily cause deviation, resulting in misalignment of the heat sink after welding, affecting the sealing of the heat sink. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a heat sink that is easy to weld, solving the problems raised in the above-mentioned background technology.

[0005] (II) Technical solution

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A heat sink that is easy to weld includes a plurality of heat sink units butted end to end, wherein the heat sink units are arranged as an integrally formed multi-heat sink channel structure, a connecting portion is arranged between two adjacent heat sink channels, a positioning groove is arranged on the upper edge of the connecting portion, a guide groove is arranged on the lower edge of the connecting portion, and a positioning mechanism is connected between two adjacent heat sink units.

[0008] Preferably, the positioning mechanism includes a connecting ring, a positioning gear rod, a positioning groove, a positioning bolt and a supporting spring. The connecting ring is concave-convexly fitted on the outer side of the heat sink unit. The positioning gear rod is connected to one end of the heat sink unit and extends toward the positioning groove of one of the heat sink units. A plurality of positioning bevel grooves are provided on the upper side of the positioning gear rod. The positioning bolt is threadedly connected to the connecting ring, and the lower end passes through the heat sink unit and abuts against the inclined side wall of the positioning bevel groove. The two ends of the supporting spring are respectively connected between the positioning gear rod and the positioning groove.

[0009] Preferably, the outer diameter of the positioning gear rod is smaller than the inner diameter of the positioning groove, a positioning ring is sleeved on the side wall of the positioning gear rod, the positioning ring is slidably connected to the positioning groove, and the support spring abuts against the positioning ring.

[0010] Preferably, a guide block is provided at the lower edge of the connecting ring, a guide rod is extended from one side of the guide block toward another heat sink unit, a guide sheet is provided at the lower edge of the other heat sink unit, and the guide rod is slidably connected to the guide sheet.

[0011] Preferably, an inclined welding groove with concave-convex matching is provided between two adjacent heat dissipation plate units, and a welding seam is provided in the gap between the two welding inclined grooves.

[0012] Preferably, a threaded hole is provided at one end of the heat dissipation plate unit, and a detachable thread at one end of the positioning gear rod is connected in the threaded hole.

[0013] (III) Beneficial effects

[0014] The utility model provides a heat dissipation plate which is convenient for welding and has the following beneficial effects:

[0015] 1. In the utility model, the connecting ring is sleeved on the heat sink unit through the concave-convex fitting, and the positioning is formed on the upper and lower sides of the connecting ring through the positioning gear rod and the guide rod to keep the two adjacent heat sink units aligned with each other. At the same time, the inclined side wall of the positioning inclined groove can be squeezed by the positioning bolt to adjust the length of the positioning gear rod extending into the positioning groove, so as to adjust the weld width between the two adjacent heat sink units to ensure the best welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a heat sink that is easy to weld according to the utility model;

[0017] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the connecting ring in the utility model.

[0019] In the figure: 1. heat sink unit; 2. inclined welding groove; 3. connecting part; 4. connecting ring; 5. positioning gear rod; 6. positioning bolt; 7. supporting spring; 8. positioning inclined groove; 9. positioning ring; 10. guide rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a heat dissipation plate which is easy to weld.

[0022] like Figure 1-3As shown, it includes a plurality of heat dissipation plate units 1 butted end to end, a concave-convex matching inclined welding groove 2 is provided between two adjacent heat dissipation plate units 1, a welding seam is provided in the gap between the two welding inclined grooves, the heat dissipation plate unit 1 is provided as an integrally formed multi-heat dissipation channel structure, a connecting portion 3 is provided between two adjacent heat dissipation channels, a positioning groove is provided on the upper edge of the connecting portion 3, a guide groove is provided on the lower edge of the connecting portion 3, a positioning mechanism is connected between two adjacent heat dissipation plate units 1, the positioning mechanism includes a connecting ring 4, a positioning gear rod 5, a positioning groove, a positioning bolt 6 and a supporting spring 7, the connecting ring 4 is concave-convexly sleeved on the outside of the heat dissipation plate unit 1, one end of the heat dissipation plate unit 1 is provided with a threaded hole, one end of the positioning gear rod 5 is detachably connected to the threaded hole, and the positioning gear rod 5 is connected to the heat dissipation plate One end of the heat plate unit 1 extends toward the positioning groove of the other heat plate unit 1, and a plurality of positioning bevel grooves 8 are provided on the upper side of the positioning gear rod 5. The positioning bolt 6 is threadedly connected to the connecting ring 4, and the lower end passes through the heat plate unit 1 and abuts against the inclined side wall of the positioning bevel groove 8. The two ends of the support spring 7 are respectively connected between the positioning gear rod 5 and the positioning groove, and the outer diameter of the positioning gear rod 5 is smaller than the inner diameter of the positioning groove. A positioning ring 9 is sleeved on the side wall of the positioning gear rod 5, and the positioning ring 9 is slidably connected to the positioning groove. The support spring 7 abuts against the positioning ring 9. A guide block is provided at the lower edge of the connecting ring 4, and a guide rod 10 is extended from the guide block toward one side of the other heat plate unit 1. A guide sheet is provided at the lower edge of the other heat plate unit 1, and the guide rod 10 is slidably connected to the guide sheet.

[0023] Working principle:

[0024] In the utility model, the connecting ring 4 is sleeved on one of the heat sink units 1, and the connecting ring 4 is slid left and right so that the guide rod 10 extends into the guide sheet, and the positioning gear rod 5 extends into the positioning groove at the same time. The connecting ring 4 can be positioned on the heat sink unit 1 by the positioning bolt 6, and the lower end of the positioning bolt 6 abuts against the inclined side wall of the positioning bevel groove 8, and the positioning gear rod 5 and the adjacent heat sink unit 1 can be abutted and squeezed to form a fixation. The distance between two adjacent heat sink units 1 can be adjusted by the extrusion height of the positioning bevel groove 8 by the positioning bolt 6, that is, the width of the weld can be adjusted to ensure that the heat sink units 1 are aligned with each other while ensuring the welding width required for the best welding effect.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat sink that is easy to weld, comprising a plurality of heat sink units butted end to end, characterized in that: The heat dissipation plate unit is configured as an integrally formed multi-heat dissipation channel structure, a connecting portion is provided between two adjacent heat dissipation channels, a positioning groove is provided on the upper edge of the connecting portion, a guide groove is provided on the lower edge of the connecting portion, and a positioning mechanism is connected between two adjacent heat dissipation plate units.

2. A heat sink that is easy to weld according to claim 1, characterized in that: The positioning mechanism includes a connecting ring, a positioning gear rod, a positioning groove, a positioning bolt and a supporting spring. The connecting ring is concave-convexly fitted on the outer side of the heat sink unit. The positioning gear rod is connected to one end of the heat sink unit and extends toward the positioning groove of the two heat sink units. A plurality of positioning bevel grooves are provided on the upper side of the positioning gear rod. The positioning bolt is threadedly connected to the connecting ring, and the lower end passes through the heat sink unit and abuts against the inclined side wall of the positioning bevel groove. The two ends of the supporting spring are respectively connected between the positioning gear rod and the positioning groove.

3. A heat sink that is easy to weld according to claim 2, characterized in that: The outer diameter of the positioning gear rod is smaller than the inner diameter of the positioning groove. A positioning ring is sleeved on the side wall of the positioning gear rod. The positioning ring is slidably connected to the positioning groove, and the support spring abuts against the positioning ring.

4. A heat sink that is easy to weld according to claim 3, characterized in that: A guide block is arranged at the lower edge of the connecting ring, a guide rod is extended from one side of the guide block toward another heat sink unit, a guide sheet is arranged at the lower edge of another heat sink unit, and the guide rod is slidably connected to the guide sheet.

5. A heat sink that is easy to weld according to claim 4, characterized in that: An inclined welding groove with concave-convex matching is arranged between two adjacent heat dissipation plate units, and a welding seam is arranged in the gap between the two inclined welding grooves.

6. A heat sink that is easy to weld according to claim 5, characterized in that: A threaded hole is provided at one end of the heat dissipation plate unit, and a detachable thread at one end of the positioning gear rod is connected in the threaded hole.

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