Expandable type shelf structure

• Main Author: HANS RUTGER ANDERSSON
• Format: Patent
• Language: English
• Published: 18.03.2015
• Subjects: CABINETS; COFFEE MILLS; DESKS; DOMESTIC ARTICLES OR APPLIANCES; DRAWERS; FURNITURE; GENERAL DETAILS OF FURNITURE; HUMAN NECESSITIES; OFFICE FURNITURE; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TABLES

The utility model relates to an expandable type shelf structure. The expandable type shelf structure comprises at least one shelf board which at least comprises two opposite combination lateral surfaces and a board bottom surface and at least four pin columns; two combination bolt grooves are formed in each combination lateral surface inside the shelf board; every combination bolt groove comprises a rod joint groove and a bolting groove which are vertically communicated; the rod joint grooves are formed inward from the combination lateral surfaces; one ends of the bolting grooves penetrate the surface of the shelf board; the bolting grooves are provided with longitudinal joint opening grooves; one sides of the joint opening grooves are provided with locking groove; the locking grooves are vertically communicated with the joint opening grooves; the four pin columns are used for connecting and supporting the shelf board; the pin columns are provided with concave portions corresponding to the rod joint grooves; combination parts are arranged inside the concave portions; the combination lateral surfaces of the shelf plate are embedded inside the concave portions, the combination parts are inserted into the combination bolt grooves, and the combination parts enter the joint opening grooves and clamped and locked to the locking grooves through the combination parts; accordingly an effect of expanding the shelf is achieved due to simple composition.