Extruding safety type refraction oil bottle for jewel refractometer


  • Inventors: SIHAI XU
  • Assignees: 徐思海
  • Publication Date: June 20, 2007
  • Publication Number: CN-2913224-Y


The utility model relates to a refraction oil bottle used to an extruding safe jewel refractometer, which comprises a bottle body, a bottle cap and a bottle cover; wherein, the top of the bottle cover is provided with tiny dropping needles, while the lower part of the bottle cover is sleeved on the jack of the bottle body; the bottle cap can be movably sleeved on the bottle cover, and the lower edge of the bottle cap is internally provided with a convex stand matching the circumferential surface in the middle of the bottle cover to make the bottle cap and the bottle cover oppositely fixed with each other; and a convex edge and a slot are arranged on circumferential surface of the upper part of the bottle cover; wherein, the convex edge is positioned on the upper part of the slot, while the upper part of the convex stand in the bottle cap has a projecting point which matches the convex edge. The utility model has the advantages of simple structure and safe and practical use, which can protect the people from the damaging caused by the volatilization of poisonous refraction oil.




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