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Mask

A mask and cover technology, applied in the field of masks, can solve problems such as large differences and no treatment methods, and achieve the effect of reducing leakage

Inactive Publication Date: 2020-05-19
蔡振宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In this situation, the new national standard GB / T 32610-2016, which was implemented in 2016, has made more clear and systematic regulations on daily protective masks, including leakage rate, filtration efficiency of PM2.5 particles, and respiratory resistance. A series of indicators including the three major indicators; for the two indicators of filtration efficiency and respiratory resistance, major manufacturers mainly start from the filter layer material of the mask body; There are large differences in contours, especially between children's faces and adults' facial contours. Therefore, there is currently no treatment method that can take care of both. This is why the new national standard GB\T 32610-2016 does not include children's faces One of the reasons why the wear test leak rate is included in the performance evaluation index

Method used

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Effect test

Embodiment 1

[0047] figure 2 Shown is a mask based on the inventor's inventive concept, which includes a mask body made of multi-layer filter material, and a sealing part made of elastic fabric and waterproof layer, the cover body is hemispherical, and the sealing part is Circular, the outer edge of the annular sealing part and the outer edge of the cover are ultrasonically welded, and a breathing cavity is formed between the outer edge of the sealing part and the mask cover, and a supporting frame is provided in the breathing cavity; the supporting frame is as follows image 3 As shown, it includes an oval fitting ring and an arched main rib (also called the main rib) connected to the upper and lower edges of the oval fitting ring. There are several obliquely-stayed supporting ribs between the main rib and the fitting ring. The cover body maintains a hemispherical shape under the support of the supporting frame, which increases the exchange area between the filter material and the air of...

Embodiment 2

[0052] Figure 5 It shows a mask with a shape different from that of Embodiment 1. The mask body of the mask is a compressed organ box structure, including two curved surfaces of upper and lower arcs, folds sandwiched on both sides of the curved surface, and folds attached to the folds. And the sealing part of the arc-shaped curved surface edge, the middle part of the sealing part is hollowed out into an oval shape, and its supporting skeleton is Figure 6 As shown, the supporting frame includes a compressible and foldable radial strut group, and a beam connecting the two strut groups. The strut group includes a plurality of struts connected at the top. Between the gaps between the rods, the advantage of this structure is that the deformation of the mask body and the supporting frame in the longitudinal direction (that is, the direction of the bridge of the nose and the jaw) is particularly large, and it can adapt to the faces of children and adults in a wider range.

[0053]...

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Abstract

The invention discloses a mask comprising a cover body and an annular sealing part formed by combining elastic fabric with a waterproof coating. The outer edge of the sealing part is attached to the edge of the mask body in a sealed mode to form a breathing cavity, a supporting framework is arranged in the breathing cavity, and the supporting framework can deform adaptively to be attached to the face under the action of the external force so that the sealing part of the mask can be kept attachment to the face. Compared with the prior art, the mask provided by the invention is suitable for various people to use; the supporting framework can generate adaptive deformation under the action of external force; therefore, the mask body and the sealing part are also adapted to the deformation of the face, so that the effect that the fitting degree of the mask sealing part is automatically adjusted according to the face contour of a wearer is achieved and a problem that leakage occurs when themask body and the face of the wearer are worn due to the size problem is solved; and the mask has the remarkable advantage that masks of the same size can be used by children and adults at the same time.

Description

technical field [0001] The invention relates to the technical field of filter equipment worn daily, in particular to masks. Background technique [0002] In recent years, as the air quality problems caused by domestic environmental pollution have become increasingly prominent, many cities have experienced smog in large areas. For this reason, travelers in domestic first-tier cities, especially cities with severe smog, have been forced to form the habit of wearing masks when traveling. . [0003] In this situation, the new national standard GB / T 32610-2016, which was implemented in 2016, has made more clear and systematic regulations on daily protective masks, including leakage rate, filtration efficiency of PM2.5 particles, and respiratory resistance. A series of indicators including the three major indicators; for the two indicators of filtration efficiency and respiratory resistance, major manufacturers mainly start from the filter layer material of the mask body; There ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A41D13/11A41D31/18A41D31/10
CPCA41D13/1107A41D13/1176A41D2300/328
Inventor 蔡振宇
Owner 蔡振宇
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