Patent ID: 8544710
Filing Date: 2013-10-01
Classification: B25C

Abstract:
1. A gas combustion nail driving tool comprising: a cylinder; a piston slidably accommodated in the cylinder; a driver that is integrally connected to the piston and drives a nail; a movable sleeve that is arranged in an upper part of the cylinder and forms a combustion chamber; a gas pipeline provided between a gas canister and the combustion chamber and having an upstream side gas pipeline and a downstream side gas pipeline; a measuring chamber provided between the upstream side gas pipeline and the downstream side gas pipeline; a solenoid valve provided in the measuring chamber; and an air supply device connected to the measuring chamber, wherein when fuel gas is supplied to the combustion chamber, the downstream side gas pipeline is opened and the upstream side gas pipeline is closed at the same time by the solenoid valve and compressed air is supplied to the measuring chamber from the air supply device so as to facilitate the fuel gas within the measuring chamber to jet to the combustion chamber, wherein the solenoid valve includes a coil and a core extending through the coil, and wherein the gas pipeline extends through the core.