GAS FLOW ADJUSTING DEVICE

摘要

A gas flow adjusting device is provided, which includes a tube body, a first horizontal shaft, a second horizontal shaft, two leaf structures, a torsional spring and two linkage assemblies. The first and second horizontal shafts are disposed in an accommodating space of the tube body and spaced apart from each other along an axial direction of the tube body. The leaf structures are pivoted on the first horizontal shaft and have a swinging direction identical to the axial direction. The torsional spring is sleeved around the second horizontal shaft and provides a resilient force along the axial direction. The linkage assemblies are connected to the leaf structures respectively, and each of the linkage assemblies is connected to the second horizontal shaft and the torsional spring. Therefore, when the leaf structures swing to different angles, the twisting amounts of the torsional spring are minimally varied.

主权项

1. A gas flow adjusting device, comprising:
a tube body, including two openings and an accommodating space between the two openings; a first horizontal shaft and a second horizontal shaft, which are disposed in the accommodating space of the tube body and spaced apart from each other along an axial direction of the tube body; two leaf structures, pivoted on the first horizontal shaft and having a swinging direction identical to the axial direction; a torsional spring, sleeved around the second horizontal shaft and providing a resilient force along the axial direction of the tube body; and two linkage assemblies, connected to the two leaf structures respectively, wherein each of the two linkage assemblies is connected to the second horizontal shaft and the torsional spring.