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Magnifier for field use and wilderness survival

A magnifying glass, field technology, applied in the field of magnifying glass, can solve troubles and other problems

Inactive Publication Date: 2016-07-06
罗叶叶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary magnifying glasses usually only consist of a ring-shaped frame, a circular lens and a cylindrical handle. It is necessary to hold the cylindrical handle and wait under the strong sunlight for a long time. ,very troublesome

Method used

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  • Magnifier for field use and wilderness survival
  • Magnifier for field use and wilderness survival
  • Magnifier for field use and wilderness survival

Examples

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Embodiment Construction

[0021] Below in conjunction with embodiment the present invention will be further described.

[0022] Example: such as Figure 1-4 As shown, design and manufacture a kind of magnifying glass that is convenient to use and survive in the field, including annular inner frame 3, circular lens 5 and cylindrical handle 8, the inner wall circumference of annular inner frame 3 is provided with integrally formed annular boss 14, circular Eyeglass 5 is arranged on the ring-shaped boss 14, and adopts strong viscose glue to fix by retaining ring 4, and the main feature of the present invention is: ring-shaped outer frame 17 is sleeved on the outer diameter end of ring-shaped inner frame 3, and ring-shaped inner frame 3 The outer walls of the upper and lower ends are respectively provided with symmetrical spherical grooves 15, and the inner walls of the upper and lower ends of the annular outer frame 17 are respectively provided with circular concave holes 2 corresponding to the spherical ...

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Abstract

The invention discloses a magnifying glass which is convenient for field use and survival. It includes a ring-shaped inner frame, a circular lens and a cylindrical handle. The ring-shaped outer frame is sleeved on the outer diameter end of the ring-shaped inner frame, so that the ring-shaped inner frame and the ring-shaped outer frame are movably fixed together, and the ring-shaped inner frame can wrap around the circular concave hole. The axis rotates; the outer diameter end of the lower end of the annular outer frame is welded and fixed with the square column, the middle part of the square column is provided with a central circular through hole, and the lower end of the square column is set as a semi-cylindrical structure; the upper end of the columnar handle is provided with a square groove adapted to the square column , the rotating shaft is set in the left circular through hole, the middle circular through hole and the right circular through hole, so that the square column can rotate 90° around the rotating shaft in the square groove; the lower end of the cylindrical handle is provided with a cone tip; the length of the cylindrical handle is larger than that of the circular lens focal length. The invention not only can enlarge the object to observe the details of the object, but also can easily ignite grass and sawdust to make a fire under the strong sunlight, which is especially suitable for field use and survival.

Description

technical field [0001] The invention relates to the technical field of magnifying glasses, in particular to a magnifying glass which is convenient for field use and survival. Background technique [0002] In addition to magnifying the object and observing the details of the object, the magnifying glass can also ignite the grass and sawdust under the strong sunlight by focusing. When people are exploring in the wild, traveling, prospecting or conducting scientific research, in case they get lost, they can use the magnifying glass to ignite paper, plants and trees under the strong sunlight. Ordinary magnifying glasses usually only consist of a ring-shaped frame, a circular lens and a cylindrical handle. It is necessary to hold the cylindrical handle and wait under the strong sunlight for a long time. ,very troublesome. Contents of the invention [0003] The purpose of the present invention is to provide a magnifying glass, which can not only magnify the object and observ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B25/00
CPCG02B25/002
Inventor 罗叶叶
Owner 罗叶叶
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