Constant flow hole clamp and period checking device

• Main Authors: WEN JING, NING YINGHAO, LEI DE'AN, FAN LI, YANG RONGCHAO, CHEN ZHIHAO, GAO FENG, LIU GUOCE, YU QIANYUAN, PENG YIRU, YANG JUAN, ZHANG XIXIANG, CHEN XUEMEI, ZENG BO, ZHANG PENGFEI, WANG JING, MIAO QIAN, ZHANG LAN, SHI ZHANDONG, ZHANG QING, ZHENG JIAN, LI DONG, NI JIAXI
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2024
• Subjects: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE; MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PHYSICS; SEPARATION; TESTING; TRANSPORTING

The utility model discloses a constant flow hole clamp and a period checking device, the constant flow hole clamp is used for installing a constant flow hole, the constant flow hole clamp comprises a base, an upper pressing ring and an upper cover, a through hole is arranged in the base, the base is connected with the upper cover, the upper pressing ring is arranged between the base and the end face of the upper cover, and the upper cover is connected with the base. An air inlet of the constant flow hole clamp is formed in the end, away from the upper pressing ring, of the base, and an air outlet of the constant flow hole clamp is formed in the end, away from the upper pressing ring, of the upper cover. The constant flow hole is formed in the through holes of the base, the upper pressing ring and the upper cover, a plurality of rubber diaphragms for elastically sealing the constant flow hole are arranged in the base, and the constant flow hole penetrates through the plurality of rubber diaphragms. The fixture