Teaching aid is used in sports teaching convenient to adjust

The utility model provides a teaching aid is used in sports teaching convenient to adjust relates to the teaching aid field. This teaching aid is used in sports teaching convenient to adjust, including the base, the equal fixed mounting in both sides at base top has the standpipe, the top interlude of standpipe is provided with the montant, one end that the montant is close to the standpipe runs through the top of standpipe and extends to the inside of standpipe, the top threaded connection of montant has the nut with montant looks adaptation, the top of nut is rotated and is connected with the sleeve, and body of rod fixed connection is passed through at two telescopic tops. This teaching aid is used in sports teaching convenient to adjust through the setting to push rod, handle, slide, box body, kelly, spring, body, seal box, movable rod and draw -in groove, has reached the convenient effect of adjusting of going on the sports teaching with the teaching aid to make things convenientfor user's use, also impr