Injection device convenient to installation is dismantled

The utility model provides an injection device convenient to installation is dismantled, including the injection pole with be used for installing the base in the injection system with horizontal slip's mode, injection pole lower part is provided with connecting portion along radial evagination, the top fixedly connected with injection pole connecting piece of base, the side of injection pole connecting piece is provided with be used for following the base slip direction holds and the joint the recess of connecting portion. The utility model discloses a half open ended design's the base of injection pole connecting piece and slidable design, solved original design needs to use the rotatory injection pole of special smelt utensil to cause the connecting portion wearing and tearing and the problem that leads to blocking at every turn, slide through the base and once only to install or to dismantle a plurality of injection poles, and need not to install the dismantlement one by one in turn to the injection pole, saved the time that the installation was dismantled by a wide margin.