Cubical switchboard is interval adjustable guide rail for handcart

The utility model provides a cubical switchboard is interval adjustable guide rail for handcart, first guide rail and second guide rail including parallel arrangement, connect through telescopic machanism between first guide rail and the second guide rail, telescopic machanism includes first pars contractilis and second pars contractilis, first pars contractilis one end and one side fixed connection of first guide rail near the second guide rail, and second pars contractilis one end and second guide rail are close to one side fixed connection of first guide rail, and first pars contractilis passes through fastener with the second pars contractilis and is connected. Fastener can make the relative position between first pars contractilis and the second pars contractilis more stable, makes inspection operation become more succinct, reduces the operating procedure, has the universality, and the handcart that is applicable to multiple different model, different specifications is pulled outfrom the cubical switchbo