CN212282591U

CN212282591U - Protective mask

Info

Publication number: CN212282591U
Application number: CN202020394711.2U
Authority: CN
Inventors: 熊义洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-05
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to a protective facial mask technical field, concretely relates to protective facial mask, including the cover body and set up in the fixed band of cover body both sides, the cover body is close to human forehead portion and is equipped with the contact strip, the cover body is close to human oronasal department installation and is equipped with the filter cartridge, the filter cartridge box body is close to cover body side-mounting and is equipped with the check valve of breathing in, the inside filter body that is equipped with of filter cartridge box body, the installation of filter cartridge lateral wall is equipped with the expiration check valve, the filter cartridge is kept away from cover body one end and is equipped with and can dismantle the lid, the lid directly passes.

Description

Protective mask

Technical Field

The utility model relates to a protective mask technical field, concretely relates to protective mask.

Background

Protective mask is used for protecting face and neck to avoid flying metal debris, harmful gas, liquid splash, metal and high temperature solvent fly the apparatus of end injury, mainly there is welding face guard, protecting against shock face guard, the face guard of protecting against radiation, smoke and dust poison gas prevention face guard and heat-proof mask etc., development along with the rapid of industrial technology, novel pipeline detects and has also obtained technical improvement with protective mask, but prior art, in pipeline detection process, the circulation of air is not smooth, toxic gas piles up, the human body inhales the increase of toxic gas probability, the surrounding environment is too dim, inconvenient the detection, filtered air can be solved to present a money, face is sealed, wear comfortablely, it is very necessary pleasing to the eye convenient, low cost's gauze mask awaits an urgent need to study.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a protective face mask.

For solving the technical problem, the utility model provides a technical scheme is a protective facial mask, including the cover body and set up in the fixed band of cover body both sides, the cover body is close to human forehead portion and is equipped with the contact strip, the cover body is close to the installation of human oronasal department and is equipped with the filter cartridge, the filter cartridge box body is close to cover body one side-mounting and is equipped with the check valve of breathing in, the inside filter body that is equipped with of filter cartridge box body, the installation of filter cartridge lateral wall is equipped with the expiration check valve.

As an improvement, one end of the filter box, which is far away from the cover body, is provided with a detachable cover body, and the cover body is directly connected with the filter box through a buckle.

As an improvement, one end of the fixing strap is fixedly connected with the cover body, and the fixing strap connecting buckle is connected with the side part of the cover body.

As an improvement, the cross section of the filter box is of a regular hexagonal structure.

As an improvement, the cover body is made of transparent polypropylene material.

Compared with the prior art, the utility model the advantage lie in:

1. the sealing is tight, the filtering effect is good, and the pollution gas can be effectively prevented from being inhaled into the respiratory tract of the human body;

2. simple structure, removable filter core, practical cost is low.

Drawings

FIG. 1 is a schematic front view of a protective mask;

FIG. 2 is a schematic rear view of a protective mask;

FIG. 3 is a schematic cross-sectional view of a protective mask;

fig. 4 is a schematic view of the structure of the cover.

As shown in fig. 1-4: 1. the mask body, 2, contact strip, 3, fixed band, 4, filter cartridge, 5, lid, 6, expiration check valve, 7, the check valve of breathing in, 8, filter body, 9, connector link, 10, buckle.

Detailed Description

The following will explain the protective mask of the present invention in detail with reference to the attached drawings.

With reference to the attached drawings 1-4, the face mask comprises a mask body 1 and fixing bands 3 arranged on two sides of the mask body 1, wherein a contact strip 2 is arranged on the portion, close to the forehead, of the human body of the mask body 1, a filter box 4 is arranged on the portion, close to the mouth and nose of the human body of the mask body 1, an air suction one-way valve 7 is arranged on one side, close to the mask body 1, of a box body of the filter box 4, a filter body 8 is arranged inside the box body of the filter box 4, and an air expiration one-way valve 6.

As a preferred embodiment of this embodiment, a detachable cover 5 is disposed at an end of the filter cartridge 4 away from the cover body 1, and the cover 5 and the filter cartridge 4 are directly connected by a fastener 10.

As a preferred embodiment of this embodiment, one end of the fixing strap 3 is fixedly connected to the cover 1, and the connecting buckle 9 of the fixing strap 3 is connected to the side of the cover 1.

As a preferred embodiment of the embodiment, the cross section of the filter box 4 is of a regular hexagonal structure.

As a preferred embodiment of this embodiment, the cover 1 is made of transparent polypropylene.

The utility model discloses when concrete implementation, including the cover body 1 and set up in the fixed band 3 of the 1 both sides of the cover body, the cover body 1 is close to human forehead portion and is equipped with contact strip 2, the cover body 1 is close to the installation of human mouth nose department and is equipped with filter cartridge 4, filter cartridge 4 box bodies are close to the installation of the 1 side of the cover body and are equipped with the check valve 7 of breathing in, the inside filter body 8 that is equipped with of filter cartridge 4 box bodies, the installation of filter cartridge 4 lateral wall is equipped with expiration check valve 5, filter cartridge 4 is kept away from 1 one end of the cover body and is equipped with and can dismantle lid 5, lid 5 directly is connected through.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a protective mask, includes the cover body (1) and sets up in fixed band (3) of the cover body (1) both sides, its characterized in that: the mask body (1) is close to human forehead portion and is equipped with contact strip (2), the mask body (1) is close to human mouth nose department installation and is equipped with filter cartridge (4), filter cartridge (4) box body is close to mask body (1) one side-mounting and is equipped with check valve (7) of breathing in, filter cartridge (4) box body inside is equipped with filter body (8), filter cartridge (4) lateral wall installation is equipped with expiration check valve (6).

2. A face shield according to claim 1, wherein: one end, far away from the cover body (1), of the filter box (4) is provided with a detachable cover body (5), and the cover body (5) is directly connected with the filter box (4) through a buckle (10).

3. A face shield according to claim 1, wherein: fixed band (3) one end and the cover body (1) fixed connection, fixed band (3) connector link (9) are connected with the cover body (1) lateral part.

4. A face shield according to claim 1, wherein: the cross section of the filter box (4) is of a regular hexagonal structure.

5. A face shield according to claim 1, wherein: the cover body (1) is made of transparent polypropylene material.