CN212911825U

CN212911825U - Comprehensive protective mask

Info

Publication number: CN212911825U
Application number: CN202021321855.1U
Authority: CN
Inventors: 赵志超; 刘文华; 闫波; 王磊; 王坤; 夏敏; 杨文�; 陈福林; 蔡强; 季超; 方苏红; 岳三琪; 罗曾妮; 欧云江; 谢倩
Original assignee: Sinopec Chongqing Natural Gas Pipeline Co Ltd
Current assignee: Sinopec Chongqing Natural Gas Pipeline Co Ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-09
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a comprehensive type protective face mask, include: the mask comprises a mask body, a lens connecting belt and a belt fixing piece; the bridle fixing piece is fixed on the transparent mask replacing bolts at the left side and the right side of the mask body; the lens connecting belt is connected with the special lens and is connected with the belt fixing pieces on the left side and the right side. The special lens is a myopia lens or a presbyopic lens and is made of plastic. Rubber pads are arranged around the special lenses. The mirror connecting belt and the belt fixing piece are made of flexible materials. The center distance of the connected lenses is 68mm-72mm, and the lenses are attached to the outer surface of the mask body. The utility model can keep the advantages of the comprehensive protection and the high protection grade of the comprehensive protective mask, and simultaneously, the operator who needs to wear the glasses can wear the comprehensive protective mask; the comprehensive protective mask does not need to be produced or purchased again, and the mask can be used only by correspondingly transforming the original mask, so that the cost and the resource are saved.

Description

Comprehensive protective mask

Technical Field

The utility model relates to a labor safety protection utensil field especially relates to a comprehensive type protective face mask.

Background

The protective mask belongs to a labor safety protective device and is mainly divided into a half-face protective mask and a full-face protective mask. The half-face type protective mask only shields partial parts of the face, such as the mouth, the nose, the eyes and the like, generally does not influence the walking ability of a wearer, and is used in places with low protection requirements. The comprehensive protective mask covers all parts of the face, such as the mouth, the nose, the eyes and the like, in the mask, has high protection level, is generally applied to escape or rescue of people, is the most effective protective tool for protecting the life of the people under the condition of danger, and is matched with a positive pressure air respirator, a comprehensive gas mask and the like for use. However, in the daily application process, due to the fact that the wearing person has the situations of myopia, presbyopia and the like, after the full-face mask is worn in a special environment, the person cannot wear the glasses, the front of the person wearing the full-face protective mask is fuzzy, even the person can not identify the connection path, the person can not see the environment around the person clearly, escape and rescue routes, personnel and the like cannot be effectively determined, the person cannot escape and participate in rescue, and the real value of protection is lost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a personnel that need wear glasses also can facilitate the comprehensive type protective face mask who uses.

In order to realize the above purpose, the utility model discloses a technical scheme:

a full-face protective mask comprising: the mask comprises a mask body, a lens connecting belt and a belt fixing piece; the strap fixing parts are fixed on the transparent mask replacing bolts at the left side and the right side of the mask body; the lens is connected to the lens connecting band, and is connected with the band fixing piece on the left and right sides.

In some preferred embodiments, the lens is a myopic lens.

In some preferred embodiments, the lenses are presbyopic lenses.

In some preferred embodiments, the lens is made of plastic.

In some preferred embodiments, a rubber pad is disposed around the lens.

In some preferred embodiments, the lens connecting strap and the strap retainer are flexible materials.

In some preferred embodiments, the lenses are attached at center-to-center distances of 68mm to 72mm and conform to the outer surface of the mask body.

The utility model has the advantages that:

1. the utility model can keep the advantages of the comprehensive protection and the high protection grade of the comprehensive protective mask, and simultaneously, the operator who needs to wear the glasses can wear the comprehensive protective mask;

2. the utility model discloses need not to produce again or purchase comprehensive type protective face mask, only need do corresponding transformation to original face mask and can use, practice thrift cost and resource.

Drawings

Fig. 1 is a schematic front view of a preferred embodiment of the present invention;

FIG. 2 is a schematic side view of a preferred embodiment of the present invention;

in the figure: 1. a mask body; 2. a lens; 3. a lens connecting strap; 4. a strap fastener; 5. the bolt is replaced on the transparent mask; 6. and (7) a rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further explained with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 and fig. 2 show the present invention in a preferred embodiment, which provides a comprehensive protective mask, comprising: the mask comprises a mask body 1, a lens 2, a lens connecting belt 3 and a belt fixing piece 4; the belt fixing parts 4 are fixed on the transparent mask replacing bolts 5 at the left side and the right side of the mask body 1; the lens connecting belt 3 is connected with the lens 2 and connected with the belt fixing parts 4 at the left side and the right side.

Wherein, the utility model discloses it is right the further requirement is not made to the concrete specification model of face guard body 1, as long as conventional, dispose transparent face guard and the removable full face type protective face guard of transparent face guard all can, for example the 6800 type full face type protective face guard of 3M company production.

In some preferred embodiments, the lenses 2 are myopic lenses or presbyopic lenses, the power of which is determined according to the eye power of the user. In one possible embodiment, if the distribution of the spectacle power of the user of the mask is concentrated, the power of the lens 2 can be set to be the middle value of the spectacle power of all users. The absolute value of the difference between the power of the lens 2 and the power of the user's eyes is not more than 150 degrees in consideration of the user's visibility.

In some preferred embodiments, the safety during the use process is considered, so as to avoid injury to the eyes of the user after the lens 2 is broken due to an emergency or an external force factor, and the material of the lens 2 may be plastic.

In some preferred embodiments, a rubber pad 6 is provided around the lens 2, taking into account the comfort of the lens 2 and reducing wear of the lens. In a possible embodiment, the rubber pad 6 has a thickness of 5mm and a height of 10mm, and may be made of polyurethane.

In some preferred embodiments, the lens connecting strap 3 is made of a flexible material, and the center-to-center distance of the connected lenses (2) is 68mm-72mm, and the lenses are attached to the outer surface of the mask body (1). The lens connecting belt 3 is made of a flexible material, so that the wearing comfort is improved, and the lens connecting belt 3 and the belt fixing piece 4 can be quickly and conveniently connected in use. Further, the center-to-center distance between the two lenses is set to 68mm-72mm, considering that: in general, the pupil distance between the two eyes of a user is about 64mm to 66mm, and the distance between the two lenses needs to be enlarged appropriately in order to fit the lenses to the outer surface of the full-face type face shield.

In some preferred embodiments, the strap fastener 4 is a flexible material. It should be understood that the strap fixing member 4 is made of a flexible material, because the flexible material has a certain elasticity, when the strap fixing member 4 is fixed on the transparent mask replacement bolts 5 at the left and right sides of the mask body 1, it can provide better adaptability for the replacement bolts 5 of different specifications. Those skilled in the art will appreciate that the strap anchor 4 may be made of custom molded plastic or rigid material for enhanced customization and aesthetics.

The utility model discloses a use method as follows:

(1) fixing the belt fixing parts 4 on the transparent mask replacing bolts 5 at the left side and the right side of the mask body 1; if the mask replacement bolt is installed in a hidden mode (namely, the bolt is not exposed after being screwed), the bolt 5 can be replaced, and the head of the bolt and the nut are exposed.

(2) Connecting the lenses 2 by using a lens connecting belt 3, enabling the center distance between the two lenses to be 68-72 mm, and reserving enough connecting allowance at the left end and the right end;

(3) placing the connected lenses 2 on the outer surface of the transparent mask of the body 1, and then enabling the lens connecting belts 3 at the left end and the right end to penetrate through the belt fixing parts 4;

(4) the mask body is worn;

(5) the lens connecting belt 3 is fastened with the belt fixing piece 4, so that the lens 2 is tightly attached to the outer surface of the transparent mask of the mask body 1, and the wearing of the comprehensive protective mask is completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A comprehensive protective mask is characterized in that: comprises a mask body (1), a lens (2), a lens connecting belt (3) and a belt fixing piece (4); the belt fixing pieces (4) are fixed on transparent mask replacing bolts (5) on the left side and the right side of the mask body (1); the lens connecting belt (3) is connected with the lenses (2) and is connected with the belt fixing pieces (4) on the left side and the right side.

2. A full-face protective mask according to claim 1, wherein: the lens (2) is a myopia lens.

3. A full-face protective mask according to claim 1, wherein: the lens (2) is a presbyopic lens.

4. A full face protective mask according to claim 1, 2 or 3, wherein: the lens (2) is made of plastic.

5. A full-face protective mask according to claim 1, wherein: rubber pads (6) are arranged around the lenses (2).

6. A full-face protective mask according to claim 1, wherein: the lens connecting belt (3) and the belt fixing piece (4) are made of flexible materials.

7. A full face protective mask according to claim 1 or 6, wherein: the center distance of the connected lenses (2) is 68-72 mm, and the lenses are attached to the outer surface of the mask body (1).