Butt-joint interlocking structure for bedstead of primary and secondary bed

By designing interlocking notches, interlocking bases, and self-locking structures on the bunk bed frame, and utilizing components such as hook arms and hook rollers to achieve quick docking and locking, the problems of cumbersome operation and instability of the bunk bed frame are solved, improving safety and operational efficiency.

CN224193688UActive Publication Date: 2026-05-05TAICANG KANGHUI TECH DEV
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Patent Information

Application Number
CN202520584542.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-05-05
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

The connection process for conventional bunk bed frames is cumbersome and not secure, posing a safety hazard of accidental detachment.

Method used

Design a docking interlocking structure for a bunk bed frame, including a plug-in notch for the mother bed structure and a plug-in seat for the daughter bed structure. Utilize components such as a self-locking structure, hook arms, and hook rollers to achieve quick docking and locking. A torsion spring structure ensures that the hook arms are always tilted downwards for stable docking.

Benefits of technology

It enables quick docking and locking of the mother-daughter bed frame, improves structural strength, reduces the safety hazard of accidental detachment, and simplifies the operation process.

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Abstract

The utility model relates to a butt-joint interlocking structure for a mother-son bed frame, which comprises a mother bed structure and a son bed structure, and one side of the lower part of the mother bed structure is provided with an inserting gap; a bayonet socket is arranged at the lower part of the sub-bed structure, and the bayonet socket of the sub-bed structure can be inserted into the insertion notch; at least two self-locking structures are arranged side by side on the side wall, butted with the bayonet socket, of the splicing gap, each self-locking structure comprises a butting rotating shaft, a hook arm and a hooking roller, the butting rotating shaft is rotatably mounted on the splicing gap and is fixedly butted with one end of the hook arm, and the hooking roller is fixedly butted with the other end of the hook arm. The other end of the hook arm is rotatably provided with a hook connection rolling wheel, the bayonet socket is provided with a hook foot structure which is in butt joint with the hook connection rolling wheel, and a torsion spring structure is arranged between the butt joint rotating shaft and the hook arm. The child bed has the advantages of being high in structural strength, good in locking effect, capable of reducing potential safety hazards caused by accidental disengagement, convenient to rapidly disengage from and be inserted into the child bed and the like.
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