Vacuum box gas sampler
The utility model belongs to the technical field of gas samplers, in particular to a vacuum box gas sampler, which is characterized in that a sealing cover is screwed at the other end of a gas injection pipe, a sealing plug and a baffle plate are arranged between the gas injection pipe and the seali...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model belongs to the technical field of gas samplers, in particular to a vacuum box gas sampler, which is characterized in that a sealing cover is screwed at the other end of a gas injection pipe, a sealing plug and a baffle plate are arranged between the gas injection pipe and the sealing cover, the sealing plug is inserted into the end part of the gas injection pipe, and a positioning rod is integrally formed on the surface of the baffle plate. A positioning hole is formed in the end part of the gas injection pipe; the positioning rod penetrates through the sealing plug and is mounted in the positioning hole; a sealing plug and a baffle are installed between a gas injection pipe and a sealing cover, the sealing cover can be conveniently sealed through the sealing plug when screwed to the end of the gas injection pipe, meanwhile, a positioning rod integrally formed on the surface of the baffle penetrates through the sealing plug and is installed in a positioning hole formed in the end of the gas |
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