| 摘要 |
The invention provides a pressure detection indication device with a simple structure. The pressure detection indication device 1 comprises a main body 11 having an internal space 111 of the body communicating with a space to be subjected to pressure detection, a case 12 having an internal space 121 of the case communicating with a space different from that communicated with the internal space 111, a diaphragm 14 airtightly separating the internal space 111 of the body from the internal space 121 of the case, an indication mark disposed on the diaphragm and placed in the internal space of the case, a lens 13 disposed within the case, a stopper member 15 attached to the diaphragm 14, a biasing means 17 for biasing the diaphragm 14 toward the lens, and a stopper receive surface 117 provided in the internal space 111.
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