The present invention discloses a multipurpose showcase assembly device.;Conventional general-purpose showcases are often manufactured integrally.;Therefore, it was not easy to transport, and the storage case was very large because unnecessary storage spaces were formed in addition to the necessary storage space, and the prefabricated product was insufficient in product development, especially when making a showcase using angles. There was a problem that was not solid.;Therefore, the side showcase in which a plurality of connecting holes 21 are formed in the longitudinal direction and a plurality of unit shelves 12 fixed by the connecting pins 23 between the pair of side plates 11 facing each other ( 14); An upper plate 15 coupled to the upper side of the side showcase 14 in a horizontal direction and having a plurality of pairs of coupling grooves 16 formed at regular intervals on the right and rear surfaces thereof; A lower plate 17 coupled to a lower side of the side showcase 14 and having the same shape as the upper plate 15 and forming a support leg 17a on a bottom thereof; A coupling protrusion 20 is formed to be coupled to the coupling groove 16 of the upper plate 15 and the coupling groove 18 of the lower plate 17 and to be fitted to the coupling grooves 16 and 18. A vertical plate 19 having a connection hole 21 formed therein; A shelf 24 fixed by a connecting pin 23 between the vertical plates 19; A connection side plate 22 coupled to one side of the upper plate 15 and the lower plate 17; A first fixing nut 30 fitted to one side of the vertical plate 19 and forming a screw portion penetrating left and right; A second fixing nut 31 coupled to a corresponding side of the first fixing nut 30; A screw (32) coupled between the first fixing nut (30) and the second fixing nut (31); It has a '-' shape and a hole is formed in the side and plane and consists of a connector 33 for supporting the upper plate 15 and the lower plate 17.;Therefore, it can be produced in a custom manner, easy to assemble, can be produced with only the necessary members can minimize the production cost, there is an advantage that can reduce the logistics cost and the store storage area sold.
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