CN221843912U

CN221843912U - Dust protective mask

Info

Publication number: CN221843912U
Application number: CN202323473468.6U
Authority: CN
Inventors: 刘天雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-13
Filing date: 2023-12-20
Publication date: 2024-10-18
Anticipated expiration: 2033-12-20

Abstract

The utility model proposes a dust protective mask comprising: the protective cover is made of transparent materials, the eye shield is arranged on the protective cover, and a dust cleaning device is further arranged on the outer surface of the eye shield. The dust cleaning device is arranged on the surface of the eye shield, so that dust adhered to the surface of the eye shield in a severe dust environment is cleaned, the clear sight of a user is ensured, the dust is not blocked, and the dust protective mask is particularly suitable for being used in the severe dust environment. The utility model has simple structure, practicality and good effect.

Description

Dust protective mask

Technical Field

The utility model relates to the technical field of health protection, in particular to a dust protective mask.

Background

In recent years, although the country has been demanding on the production environment, the dust in most scenes is not harmful to human body, but for some local operations, the dust is still a serious problem, such as loading and unloading areas when the small cement plant is used for loading and unloading finished cement, production areas of the stone crushing plant, ground mechanized grooving when house is decorated, and there are many corresponding protective masks for protection, for example, the patent in taiwan with publication number TWM611208U discloses a structural improvement of the protective mask, air enters the mask and the inside of the head cover through the air inlet holes, the air inside the mask and the head cover is guided to the air outlet holes through the air guide, the air is discharged to the outside through the air outlet holes, the outside air, bacteria and dust are blocked from the connection parts of the mask and the head cover to the inside of the mask and the head cover through the blocking layer, CN208097149U discloses a multiple filtration pneumoconiosis protective mask, and the dust-proof eye-shade top is connected with the base, the battery is installed to the base inner chamber, base top fixedly connected with support column, the support column has the lamp holder through pivot swing joint, the dust-proof eye-shade openly inlays and is equipped with the goggles, can be automatically for the inside air supply of protective mask, has realized natural comfortable breathing, effectively reduces the air tightness, has improved the travelling comfort that the wearer used, can filter dust or impurity in the air, avoids causing harm to the wearer's health, but these technical scheme use in the especially serious operational scenario of dust of practical application, on the dust can adhere to face guard or goggles, along with the accumulation of dust, seriously influence user's sight.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the present utility model proposes a dust protective mask comprising: the protective cover is made of transparent materials, the eye shield is arranged on the protective cover, and a dust cleaning device is further arranged on the outer surface of the eye shield.

Further, the dust cleaning device comprises a miniature motor arranged on the eye shield and a scraping blade or a brush adjacently arranged on the outer surface of the eye shield, and the miniature motor is used for driving the scraping blade or the brush to rotate.

Further, the dust cleaning device comprises a micro fan fixed on the eye shield or the protective cover and a blowing pipe fixed on the eye shield or the protective cover and blowing to the outer surface of the eye shield, and the micro fan is connected with the blowing pipe.

Further, the eye shield is of a double-layer structure.

Further, the hood comprises a hood and a face shield connected, the hood being made of a flexible breathable material.

Further, a sealing strip is arranged on the edge of the head cover.

Further, a partition is arranged between the position corresponding to the nose and the mouth in the mask and the eye shield, and the partition can be a rubber strip or a silica gel strip.

Further, the device also comprises a breather valve arranged on the protective cover.

The dust cleaning device is arranged on the surface of the eye shield, so that dust adhered to the surface of the eye shield in a severe dust environment is cleaned, the clear sight of a user is ensured, the dust is not blocked, and the dust protective mask is particularly suitable for being used in the severe dust environment. The utility model has simple structure, practicality and good effect.

Drawings

FIG. 1 is a schematic side view of a dust protective mask according to the present utility model;

FIG. 2 is a schematic side view of another dust protective mask according to the present utility model;

1, a protective cover; 11. a head cover; 12. a face mask; 2. a respiratory valve; 3. a eye shield; 31. an inner layer; 32. an outer layer; 4. a dust cleaning device; 41. a micro motor; 42. a wiper blade; 43. a micro fan; 44. a blowing pipe; 5. and a partition strip.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

A dust protective mask as shown in fig. 1, comprising: a protective cover 1, a eye shield 3 and a breather valve 2. The protective cover 1 comprises a head cover 11 and a face cover 12, the head cover 11 is connected with the face cover 12, and the eye protection cover 3 and the breather valve 2 are arranged on the face cover 12.

The face guard 12 is made for the resin material that has certain intensity, forms the main part support with wearing personnel's facial cooperation, and the hood 11 can be made with flexible gas permeability material that has certain intensity, certain pliability such as canvas, other cloth, can with wearing personnel's fine cooperation of head, can not produce any vision obstruction for wearing personnel has good field of vision, and wearing personnel's ear is located the hood, makes wearing personnel's hearing not receive the influence basically, also can prevent the dust entering face guard simultaneously, and sweat volatilizes when can ventilative being favorable to wearing personnel's operation, convenient operation. The hood 11 can cladding personnel's of wearing head, and the border of hood 11 is provided with seal structure such as sealing strip to do benefit to and personnel's of wearing head cooperation well, the sealing strip can paste the soft material such as silica gel or latex, rubber that set up at the opening border of hood so that block dust and get into inside the hood, can establish sealing rubber pad at dustproof gauze mask edge like the multiple filtration pneumoconiosis protective mask that CN208097149U disclosed, increase the leakproofness of hood and personnel's of wearing head, avoid the dust to get into inside the protective mask from the clearance of protective mask and face.

The breather valve 2 is arranged on the position of the mask corresponding to the mouth and nose, and a filter piece is arranged in the breather valve to filter the air entering the mask, wherein the filter piece can be PP cotton or activated carbon.

The eye shield 3 is fixedly arranged on the mask corresponding to the eye position of the wearer, is generally made of transparent materials such as toughened glass, methyl methacrylate MMA, polycarbonate, polyethylene, polypropylene and the like, has clear line of sight and is beneficial to the operation of the environment observation of the wearer of the mask. In order to make the effect of the utility model better, the eye shield 3 has a double-layer structure, and the eye shield 3 comprises an inner layer 31 and an outer layer 32, so that the influence of fog on the inner surface of the eye shield caused by too large temperature difference between the inner and outer surfaces of the eye shield in severe cold environment is prevented.

A partition strip 5 which can be a rubber strip or a silica gel strip is arranged between the corresponding position of the nose and the mouth in the mask and separates the hot air exhaled by the nose from the eye mask so as to prevent the hot air exhaled by the nose from fogging on the eye mask.

The surface of the eye shield is also provided with a dust cleaning device 4. As shown in fig. 1, the goggles have a flat outer surface, the dust cleaning device comprises a scraping blade 42 adjacent to the outer surface of the eye shield, the scraping blade is driven to rotate or swing back and forth by a micro motor 41 fixedly arranged beside the eye shield, the scraping blade material can be selected from materials with hardness slightly lower than that of the eye shield, and flexible materials such as cotton cloth, rubber and the like can be wrapped on the harder materials. Of course, the wiper 42 may be replaced with a softer brush that contacts the eye shield.

Examples

In another embodiment, as shown in fig. 2, unlike the first embodiment, the dust cleaning device 4 is a micro fan 43 fixed on the eye shield or the protective cover, and a blowing pipe 44 fixed on the eye shield or the protective cover and blowing to the outer surface of the eye shield 3, the micro fan is connected with the blowing pipe, and the micro fan provides wind force for cleaning dust of the eye shield.

The micro motor and the micro fan are both powered by a battery, and the circuit control part of the micro motor and the micro fan belongs to the prior art and does not belong to the technical contribution of the utility model, and the micro motor and the micro fan are only exemplary and are based on the prior art, so the micro motor and the micro fan are not shown in the drawings of the specification and are not repeated herein.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A dust protective mask comprising: the protective cover is made of transparent materials, the eye shield is arranged on the protective cover, and a dust cleaning device is further arranged on the outer surface of the eye shield;

the dust cleaning device comprises a micro motor arranged on the eye shield and a scraping blade or a brush adjacently arranged on the outer surface of the eye shield, and the micro motor is used for driving the scraping blade or the brush to rotate; or (b)

The dust cleaning device comprises a micro fan fixed on the eye shield or the protective cover and a blowing pipe fixed on the eye shield or the protective cover and blowing to the outer surface of the eye shield, and the micro fan is connected with the blowing pipe.

2. The dust protective mask of claim 1, wherein the mask is a double layer structure.

3. The dust protective mask of claim 1, wherein the shield comprises a hood and a face mask connected, the hood being made of a flexible breathable material.

4. A dust protective mask according to claim 3, wherein the edge of the hood is provided with a sealing strip.

5. A dust protective mask according to claim 3, wherein a partition strip is further provided between the mask inner nose-mouth corresponding portion and the eye shield, and the partition strip may be a rubber strip or a silica gel strip.

6. The dust protective mask of claim 1, further comprising a breather valve disposed on the mask.