The utility model relates to a support bar structure for a cage.The utility model includes: two ends of an outer pipe are respectively formed with a first pipe orifice and a second pipe orifice.A plurality of grooves are arranged at the second nozzle.The outer pipe is provided with a perforated fastener in the inner guard.One end of the inner tube is formed with a third nozzle.And a third nozzle is inserted at the first nozzle.A fourth orifice is formed at the other end of the inner pipe.And a plurality of slots are provided at the fourth nozzle.In addition, the inner pipe is provided with a fixing block with a through-hole in the pipe.A connecting piece includes a screw rod.A spring and a lock fastener,The screw penetrates through the perforations and through holes.And cooperate with the locking device of the locking firmware.The outer tube cannot be separated.And the spring is sleeved on the screw rod.And is clamped between the fixing piece and the fixing block.Let insideThe outer tube can compress the spring and be connected to the cage body by elastic expansion.In order to improve its connection convenience.一種籠用之撐抵桿結構，其包括有：一外管兩端分別形成有一第一管口與一第二管口，第二管口處開設有複數個缺槽，該外管於管內擋設有一具穿孔之固定件，一內管一端形成有一第三管口，且以第三管口插設於第一管口，該內管於另一端形成有一第四管口，且於第四管口處開設有複數個缺槽，另該內管於管內擋設有一具通孔之固定塊，一連結件包含有一螺桿、一彈簧及一鎖固件，該螺桿貫穿於穿孔與通孔，並配合鎖固件之鎖設使內、外管無法分離，又該彈簧套設於螺桿，並夾設於固定件與固定塊之間，讓內、外管能壓縮彈簧以彈性伸縮方式組接於籠體上，俾以提高其組接便利性。
