Internal fogging prevention lens switching type dentist's protective mask

A protective mask and switchable technology, applied in protective clothing, clothing, clothing, etc., can solve problems such as fogging, achieve the effects of preventing internal fogging, avoiding fatigue, and improving work efficiency

Active Publication Date: 2019-04-05
HARBIN MEDICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an anti-fogging lens switching

Method used

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  • Internal fogging prevention lens switching type dentist's protective mask
  • Internal fogging prevention lens switching type dentist's protective mask
  • Internal fogging prevention lens switching type dentist's protective mask

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] Such as figure 1 , figure 2 , image 3 Shown are the front view, rear view and side view of the anti-fogging lens switching type oral doctor protective mask provided by the present invention, which includes:

[0022] The protective plate 3 is made of a transparent material (such as transparent plastic) and has a shape adapted to the face of the human body. In this embodiment, it is oval when viewed from the front; the protective plate 3 has an outer surface facing the patient And one toward the inner surface of the doctor's face; on the inner surface of the protective plate 3, a cooling fan 5 is fixed at a position corresponding to the forehead of the human body, and the cooling fan 5 is electrically connected with the battery fixed on the protective plate 3, and can face downward air supply;

[0023] The headband 7 is ring-shaped and can adjust the circumference. It is connected with the two sides of the protective plate 3 through a rotatable connector (such as a pin

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PUM

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Abstract

The invention provides an internal fogging prevention lens switching type dentist's protective mask, comprising a protective plate made of a transparent material, wherein a heat dissipation fan is fixed at a position corresponding to human forehead on the surface of the protective plate facing a dentist, and the heat dissipation fan can supply air downward; the protective mask further comprises anadjustable lens formed by vertically stacking an anti-red lens and an anti-blue lens side by side, each of two sides of the adjustable lens is connected with a rack, and the racks can be arranged inslide rails on two sides of the protective plate in a vertical sliding manner; and the protective mask further comprises two motors which are arranged near the slide rails on the two sides of the protective plate and can run synchronously through a line connection, each motor is connected with a gear, and the two gears correspondingly mesh with the two racks. Thus, the inner surface of the protective plate can be prevented from fogging under the action of the heat radiation fan.

Description

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Claims

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Application Information

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Owner HARBIN MEDICAL UNIVERSITY
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