Abstract: A gas heater having a heater body, a support, and a gas inlet pipe; a bottom of the heater body has a mounting cavity whose side wall has a through hole and in which the support is arranged; a mounting hole is formed on the support; an input end of the gas inlet pipe is detachably mounted to the through hole or to the mounting hole. By arranging the through hole on one side of the heater body and the mounting hole on the support, the input end of the gas inlet pipe can be selectively connected to the side surface or to the bottom surface of the heater body where it may further connect to a hose according to actual application requirements, thereby enabling relatively flexible use and more diversified application scenarios.

Abstract: The present disclosure provides a locating pin, a working platform and a locating method. The locating pin includes a housing, a movable mechanism, a securing mechanism and a guide rod, wherein the housing has a first cavity with an opening that has an axis therethrough, the movable mechanism is at least partially arranged in the first cavity and configured to be movable along the axis, the securing mechanism is secured with respect to the housing and configured to limit movement of the movable mechanism along the axis, the guide rod includes a guide rod body and configured to extend out of the first cavity through the opening with the movement of the movable mechanism, the guide rod body having a first end and a second end opposite to each other, wherein the first end is secured to the movable mechanism, and the second end includes a locating portion.

Abstract: The present disclosure provides a locating pin, a working platform and a locating method. The locating pin includes a housing, a movable mechanism, a securing mechanism and a guide rod, wherein the housing has a first cavity with an opening that has an axis therethrough, the movable mechanism is at least partially arranged in the first cavity and configured to be movable along the axis, the securing mechanism is secured with respect to the housing and configured to limit movement of the movable mechanism along the axis, the guide rod includes a guide rod body and configured to extend out of the first cavity through the opening with the movement of the movable mechanism, the guide rod body having a first end and a second end opposite to each other, wherein the first end is secured to the movable mechanism, and the second end includes a locating portion.