Simple and easy stock instrument of drawing

The utility model relates to an architectural engineering technology field particularly, relates to a simple and easy stock instrument of drawing. It includes: stock and add long anchor rod, it is provided with the link to add the long anchor rod bottom, the link inboard be provided with with the internal thread that the outer thread to match of stock closed, add the long anchor rod outside be provided with with the external screw thread that the stock is the same still includes a barrel -shaped support frame, barrel -shaped support frame back -off is on the stock, and the through -hole has been seted up on its top, add the long anchor rod link with stock top end screw thread connection, it follows to add the long anchor rod top barrel -shaped support frame through -hole is worn out, getsinto to set up the anchor pole tension device on barrel -shaped support frame top. Its bodily form is small and exquisite, simple structure, conveniently carry, has increased moreover to add long anchor rod and protection dev