US 12,467,810 B2
Combined type inner diaphragm pressure gauge and mounting assembly
Chang-Ching Huang, Guangdong (CN)
Assigned to ZhongShan FuMao Seals-tech Co., Ltd., ZhongShan (CN)
Filed by ZHONGSHAN FUMAO SEALS-TECH CO., LTD., Guangdong (CN)
Filed on Feb. 28, 2023, as Appl. No. 18/114,994.
Claims priority of application No. 202210189198.7 (CN), filed on Feb. 28, 2022.
Prior Publication US 2023/0273082 A1, Aug. 31, 2023
Int. Cl. G01L 7/08 (2006.01)
CPC G01L 7/082 (2013.01) 13 Claims
OG exemplary drawing
 
1. A combined type inner diaphragm pressure gauge comprising a support seat (10), wherein an accommodating cavity (14) is formed inside the support seat (10), a dial (20) is disposed on top of the support seat (10), the dial (20) is fixedly connected with an upper surface of the support seat (10), a center pin (31) is disposed inside the support seat (10), a pointer (40) is fixedly connected with a top end of the center pin (31), an inner diaphragm (50) is disposed inside the support seat (10), the accommodating cavity (14) is covered by the inner diaphragm (50), and an outer gasket (60) made of flexible material is fixedly connected with an outer side of the inner diaphragm (50), the support seat (10) comprises a top wall (11), a side wall (12) is fixedly connected with a peripheral edge of the top wall (11), a fixing ring (13) is fixedly connected with a lower end of the side wall (12), and a groove (15) is disposed inside the fixing ring (13).