Height-adjustable wire harness support

The utility model provides a height-adjustable wire harness support, belongs to the technical field of automobile accessory manufacturing, and aims to solve the problems that the positions of more than two strands of wire harnesses are inconsistent, and a plurality of wire harness supports cause inconvenience in mounting and dismounting when an automobile is mounted and overhauled, interference occurs among the wire harnesses, and the overall performance of the automobile is affected, the height-adjustable wire harness support comprises an L-shaped support body, the two ends of the L-shaped support body are connected with connecting blocks in a sliding mode respectively, sliding grooves are formed in the connecting blocks, bolts are arranged on the L-shaped support body in a penetrating mode, the bolts are located in the sliding grooves, nuts are arranged on the bolts, the connecting blocks abut against the L-shaped support body through threaded connection of the bolts and the nuts, and installation screws ar