Water-cooled head close structure

By employing a combination of resistance welding and laser welding in the circumferential and lateral directions of the water cooling head, the problem of weld gaps was solved, improving the sealing of the water cooling head and the product yield.

CN224596818UActive Publication Date: 2026-08-04MICROLOOPS HUIZHOU CORP +1
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Patent Information

Application Number
CN202521664969.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2026-08-04
Estimated Expiration
2035-08-06

AI Technical Summary

Technical Problem

Existing water cooling heads are prone to gaps at the welding points, resulting in insufficient sealing and affecting product yield.

Method used

Different welding methods are used in the circumferential and lateral directions, employing resistance welding and laser welding respectively, to form a joint structure and a fusion structure, thereby enhancing the tightness of the fit.

Benefits of technology

Reduce welding area, improve sealing, prevent gaps, and increase product yield.

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Abstract

A water-cooling head sealing structure includes a first shell and a second shell. The first shell has a first plate, a plurality of fins arranged on the first plate, a first periphery around the first plate, and a first side edge formed laterally outward from the first periphery. The second shell has a second plate arranged on the first plate to form a cavity between the first plate and the second plate, the fins being arranged in the cavity. The second plate has a second periphery around the cavity and a second side edge arranged in a stepped configuration with the second periphery. A joint structure formed by resistance welding is arranged between the first periphery and the second periphery. A fusion structure formed by laser welding is arranged between the first side edge and the second side edge. Thus, the welding area can be reduced, and the sealing degree can be increased to prevent seam thinning and improve product yield.
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