Pressure cap capable of testing external pressure and internal pressure

• Main Authors: CHU LEPING, ZHANG XIANZHEN, WANG LU, XING YOUWEI, NI JINGRAN, GAO YUELONG, WANG XIANFENG, ZHANG TENGYUE, REN GUANGXIN, ZHONG JIBIN
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2022
• Subjects: BLASTING; CYLINDERS; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a pressure cap capable of testing external pressure and internal pressure, which comprises a connecting assembly, a sealing assembly and a pressure testing assembly, a manifold is communicated with the pressure testing assembly through the connecting assembly, the pressure testing assembly is externally connected with a pressure testing unit and can test the pressure inside the manifold, and the pressure testing unit works to press the outside of the manifold through the pressure testing assembly. The pipeline external pressure testing device can be used for testing the external pressure and the internal pressure of the pipeline, and is simple and reliable in structure, small in occupied space, convenient to operate and convenient and fast to install. 本实用新型公开了一种可进行外压及内压测试的压力帽，包括连接组件、密封组件及试压组件，连接组件将管汇和试压组件连通，试压组件外接试压单元，能够对管汇的内部进行压力测试，试压单元工作通过试压组件向管汇外部进行打压，即能够完成外压测试，本实用新型能够对管线进行外压和内压测试，且结构简单可靠，占用空间小、操作方便且安装便捷。