Graphite oven locking device

The utility model relates to a graphite oven locking device, include: the fixed part, be equipped with locking unit on the fixed part, removal portion, with the fixed part sets up along the first direction face -to -face, be equipped with the spring bolt unit in the removal portion, wherein, removal portion can move towards on the first direction fixed part motion up to the spring bolt unit with locking unit connects, locking device is in lock status, the spring bolt unit to removal portion provides the orientation the first elasticity of the direction of fixed part, locking unit be used for relieving with the connection of spring bolt unit, locking device is in the unblock state, the spring bolt unit to removal portion provides and keeps away from the second elasticity of the direction offixed part under the effect of second elasticity, removal portion is in keep away from on the first direction the fixed part moves to initial position. The utility model discloses a locking device isunder the unblock state,