Aluminum connector pressure gauge
A technology for pressure gauges and watch cases, which is applied in the field of pressure devices, can solve problems that affect the correct judgment of pressure, inaccurate measurement results, and air leakage at vent holes, and achieve accurate pressure values, improved welding performance, and airtight performance. Effect
Inactive Publication Date: 2013-09-11
扬州市嘉禾仪表有限公司
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Problems solved by technology
[0002] During the use of existing pressure gauges, the use of the joint material is not good in terms of strength, fatigue, welding, etc. In addition, air leakage often occurs at the vent hole during use, resulting in inaccurate measurement results. Affect people's correct judgment on the pressure of the measured object
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Embodiment Construction
[0009] A brass tube 2 is arranged inside the watchcase of the pressure gauge of the present invention, one end of the brass tube 2 is connected to a pressure-sensitive element, and the other end is threadedly connected to an aluminum joint 1, and the end of the vent hole of the aluminum joint 1 is provided with a ball 3 corresponding to the vent hole , the surface of the ball 3 is coated with an anaerobic adhesive layer.
[0010] Further, an anaerobic adhesive layer is provided at the threaded connection between the brass pipe 2 and the aluminum joint 1 of the present invention.
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The invention relates to an aluminum connector pressure gauge. A brass pipe is arranged in a shell of the pressure gauge, one end of the brass pipe is connected with a pressure sensing element, and the other end of the brass pipe is connected with an aluminum connector through threads. The vent hole end portion of the aluminum connector is provided with a ball corresponding to a vent hole, and an anaerobic glue layer is arranged on the surface of the ball in a coating mode. Through experiments, the aluminum connector is improved in strength, anti-fatigue performance, welding performance and the like. The ball is arranged on the vent hole end portion of the aluminum connector, the anaerobic glue layer is arranged on the surface of the ball in the coating mode, so that the airtight performance of the aluminum connector is effectively improved. An anaerobic glue layer is also arranged at the threaded joint of the aluminum connector and the brass pipe, so that the airtight performance of the aluminum connector is further guaranteed. Therefore, values of pressure can be accurately measured by the pressure gauge.
Description
technical field [0001] The invention relates to an aluminum joint pressure gauge, which belongs to the technical field of pressure devices. Background technique [0002] During the use of existing pressure gauges, the use of the joint material is not good in terms of strength, fatigue, welding, etc. In addition, air leakage often occurs at the vent hole during use, resulting in inaccurate measurement results. It affects people's correct judgment on the pressure of the measured object. Contents of the invention [0003] The purpose of the present invention is to provide an aluminum joint pressure gauge with good comprehensive performance and good airtight performance in view of the above defects. [0004] For this reason, the technical scheme adopted by the present invention is: a brass tube is arranged in the watch case of the pressure gauge of the present invention, one end of the brass tube is connected with a pressure-sensitive element, the other end is threadedly conn...
Claims
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IPC IPC(8): G01L19/14
Inventor 李旭周鸣
Owner 扬州市嘉禾仪表有限公司