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Mask and assembling method thereof

A mask and main body technology, applied in the field of mask and mask assembly, can solve the problems of difficult disassembly, inconvenient replacement, unreasonable structural design, etc., and achieve the effects of convenient disassembly, simple operation, and reasonable structural design.

Active Publication Date: 2017-03-22
ANTRA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, a back cover assembly needs to be installed on the front side window of the mask. The back cover assembly includes a filter and a back cover. Due to the unreasonable structural design, the assembly operation between the back cover assembly and the mask is cumbersome, and after assembly, it is also Not easy to disassemble, inconvenient to replace

Method used

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  • Mask and assembling method thereof
  • Mask and assembling method thereof
  • Mask and assembling method thereof

Examples

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Embodiment Construction

[0030] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0031] Such as figure 1 , figure 2 and image 3 As shown, the mask of this embodiment includes a mask main body 1, a protective sheet 2 installed on the front side window 101 of the mask main body 1, and a back cover assembly. The protective sheet is made of PC, and the back cover assembly includes a back cover 3 assembled together. and the filter 4; one end of the window 101 is provided with a bayonet 102, and the other end is provided with a fixed shaft 5 on both sides; A rotary lock 6 cooperating with the fixed shaft 5 .

[0032] Such as Figure 4 , Figure 5 and Figure 6 As shown, one end of the fixed shaft 5 is provided with a buckle seat 7, and the side of the buckle seat 7 is provided with a protrusion 8, and the back cover 3 is equipped with a card seat 9, and the card seat 9 is provided with a card hole 901, and the buckle s...

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PUM

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Abstract

The invention relates to a mask which comprises a mask body, a protection sheet installed on a window in the front side of the mask body and a back cover assembly. The back cover assembly comprises a back cover and a filter which are assembled together; a bayonet is arranged at one end of the window, and fixing shafts are arranged on the two sides of the other end of the window; and one end of the back cover is provided with a bayonet protrusion matched with the bayonet, and the two sides of the other end of the back cover are provided with rotation lock catches matched with the fixing shafts. The invention further provides an assembling method of the mask. The assembling method includes the steps that the protection sheet is fixed to the window in the front side of the mask body; the filter and the back cover are assembled together to form the back cover assembly; after the bayonet protrusion at one end of the back cover in the back cover assembly is inserted into the bayonet on the window in the front side in an inclined manner, the other end of the back cover is pressed, and the rotation lock catches are buckled to the fixing shafts; and the rotation lock catches are rotated clockwise to be locked with the fixing shafts, and assembling operation is completed. The mask is reasonable in structural design, overall assembly operation is simple and rapid, and detachment is convenient.

Description

technical field [0001] The invention relates to the technical field of mask and mask assembly. Background technique [0002] In the prior art, a back cover assembly needs to be installed on the front side window of the mask. The back cover assembly includes a filter and a back cover. Due to the unreasonable structural design, the assembly operation between the back cover assembly and the mask is cumbersome, and after assembly, it is also Not easy to disassemble, inconvenient to replace. Contents of the invention [0003] Aiming at the above-mentioned problems existing in the prior art, the applicant conducted research and improvement, and provided a mask and its assembly method. By adopting a new connection structure, the back cover assembly and the mask can be quickly assembled together, and the disassembly operation is also very convenient. [0004] In order to solve the above problems, the present invention adopts the following scheme: [0005] A mask, comprising a ma...

Claims

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Application Information

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IPC IPC(8): A62B18/02A62B23/02
CPCA62B18/02A62B23/02
Inventor 冯斌
Owner ANTRA TECH