Combination cabinet

A combination cabinet comprising:

• a plurality of upright posts;
• a plurality of crossbars arranged between the upright posts;
• a plurality of connectors mounted between the plurality of upright posts and the plurality of crossbars to connect the plurality of upright posts and the plurality of crossbars;
• a plurality of rotation knobs mounted between the plurality of crossbars and the plurality of connectors;
• a plurality of bearing modules each mounted on a respective one of the plurality of upright posts;
• and
• a separation plate mounted between the plurality of bearing modules;
• wherein:
• each of the plurality of upright posts has a periphery provided with a plurality of guide tracks;
• each of the plurality of crossbars has an interior provided with a mounting hole;
• each of the plurality of crossbars has a surface provided with a passage;
• the passage of each of the plurality of crossbars has a periphery provided with an entrance;
• each of the plurality of connectors has a first side provided with a guide rail mounted in a respective one of the guide tracks of a respective one of the plurality of upright posts and a second side provided with a mounting portion mounted in the mounting hole of a respective one of the plurality of crossbars;
• each of the plurality of connectors has a surface provided with a slot;
• the slot of each of the plurality of connectors has an end provided with an abutting edge aligning with the passage of the respective crossbar;
• each of the plurality of rotation knobs has a first side provided with a connecting portion extended through the passage of a respective one of the plurality of crossbars and the slot of a respective one of the plurality of connectors and a second side provided with an operation portion abutting the respective crossbar;
• the connecting portion of each of the plurality of rotation knobs has a periphery provided with a pressing protrusion that is extended through the entrance of the passage of the respective crossbar and is rotatable to abut the abutting edge of the slot of the respective connector;
• each of the plurality of rotation knobs is rotatable to affix the respective upright post, the respective crossbar and the respective connector to one another;
• each of the plurality of upright posts has a surface provided with a mounting channel for mounting the respective one of the bearing modules;
• the mounting channel of each of the plurality of upright posts has a first end provided with a limit portion and a second end provided with a receiving portion having a width greater than that of the limit portion;
• each of the plurality of bearing modules includes:
• a base mounted in the receiving portion and limited by the limit portion of the mounting channel of the respective upright post;
• a rotation member rotatably mounted in the base;
• and
• a support member connected with the rotation member;
• the base of each of the plurality of bearing modules has a surface provided with a connecting hole and has a periphery provided with two opposite arcuate guide portions;
• the base of each of the plurality of bearing modules has a width slightly smaller than that of the limit portion of the mounting channel of the respective upright post and has a length slightly greater than the width of the receiving portion of the mounting channel of the respective upright post;
• the rotation member of each of the plurality of bearing modules is extended through the connecting hole of the base to lock each of the plurality of bearing modules onto the respective upright post;
• and
• the separation plate is supported by the support members of the plurality of bearing modules.

A combination cabinet comprising:

• a plurality of upright posts;
• a plurality of crossbars arranged between the plurality of upright posts;
• a plurality of connectors mounted between the plurality of upright posts and the plurality of crossbars to connect the plurality of upright posts and the plurality of crossbars;
• a plurality of rotation knobs mounted between the plurality of crossbars and the plurality of connectors;
• and
• a plurality of back plates each mounted between two of the plurality of upright posts at a rear part of the combination cabinet to close the rear part of the combination cabinet;
• wherein:
• each of the plurality of upright posts has a periphery provided with a plurality of guide tracks;
• each of the plurality of crossbars has an interior provided with a mounting hole;
• each of the plurality of crossbars has a surface provided with a passage;
• the passage of each of the plurality of crossbars has a periphery provided with an entrance;
• each of the plurality of connectors has a first side provided with a guide rail mounted in a respective one of the guide tracks of a respective one of the upright posts and a second side provided with a mounting portion mounted in the mounting hole of a respective one of the plurality of crossbars;
• each of the plurality of connectors has a surface provided with a slot;
• the slot of each of the plurality of connectors has an end provided with an abutting edge aligning with the passage of the respective crossbar;
• each of the plurality of rotation knobs has a first side provided with a connecting portion extended through the passage of a respective one of the plurality of crossbars and the slot of a respective one of the plurality of connectors and a second side provided with an operation portion abutting the respective crossbar;
• the connecting portion of each of the plurality of rotation knobs has a periphery provided with a pressing protrusion that is extended through the entrance of the passage of the respective crossbar and is rotatable to abut the abutting edge of the slot of the respective connector;
• each of the plurality of rotation knobs is rotatable to affix the respective upright post, the respective crossbar and the respective connector to one another;
• each of the plurality of upright posts is provided with a back plate channel for mounting one of the plurality of back plates;
• the back plate channel is provided with a plurality of connecting seats mounted between two of the plurality of back plates so that the plurality of back plates are connected and supported by the plurality of connecting seats;
• and
• each of the plurality of connecting seats has an upper end and a lower end each provided with a locating recess for mounting each of the plurality of back plates.