Pressure release valve device applicable to pressure gauge
A technology of a pressure relief valve and a pressure gauge, which is applied in the field of pressure relief valve devices, can solve the problems of excessive deflation of inflatable items, excessive deflation rate of the pressure relief valve, and difficulty for users to accurately control the amount of deflation.
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[0038] Please refer to figure 1 , figure 2 and Figure 5 , the pressure relief valve device suitable for pressure gauges of the present invention can be assembled with a pressure gauge body 90 and a probe 80 to form a pressure gauge. The pressure gauge body 90 has a display screen 91 to display the pressure value. In addition, the pressure gauge The body 90 can be an electronic type, a pointer type or a pen type. The probe 80 can be penetrated into an inflation hole of an inflatable item such as a tire or a balloon to detect internal pressure.
[0039] The pressure relief valve device includes: a housing 10 , a pressure relief valve assembly 20 , a valve stem 30 , a button 40 and a spring 50 .
[0040] The housing 10 has a connection part 11, a pressure detection part 12 and a gas release part 13, the connection part 11 can be installed on the pressure gauge body 90, and a connection hole 110 is formed through the connection part 11 for the pressure gauge body 90 to be com...
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