Self-tightening type quick-mounted anti-explosion vacuum-pumping device
A vacuum device and self-tightening technology, which is applied in the direction of pressure vessels, fixed-capacity gas storage tanks, mechanical equipment, etc., can solve the problems of substandard vacuum, poor operation reliability, and rework, so as to prevent the decrease of vacuum and protect The effect of personal and property safety and simple operation
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[0020] The invention includes a quick-installed joint 1 and a quick-installed explosion-proof valve 2; the threaded end of the quick-installed joint 1 is threadedly connected with the hose of the vacuum pumping unit; Weld a quick-fit explosion-proof valve 2 on top; see figure 1 .
[0021] The two specific implementations of the self-tightening quick-install explosion-proof vacuuming device are as follows:
[0022] Figure 4 The quick-install explosion-proof valve 2 is welded on the shell of the LNG cylinder for automobiles, and integrates the safety components of the vacuum pumping device and the LNG cylinder. figure 2 The external thread end of the quick fitting 1 is connected to the vacuuming hose, and the other end of the vacuuming hose is threadedly connected to the vacuuming unit. When using the self-tightening quick-install explosion-proof vacuuming device on site, hold the quick-connect fitting 1 firmly with both hands and align the quick-installing explosion-proof ...
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