Flying dust protection mask for construction site

Abstract

The utility model discloses a construction site flying dust protection mask which comprises a mask body, goggles are installed on the mask body, an air suction port is installed below the goggles, a plurality of air holes are formed in one end in the air suction port, one end of the air suction port is connected with a fixing ring, and the fixing ring is connected with an air inlet. An activated carbon filter disc and a net surface filter disc are respectively mounted in the fixing ring; a protective lens is mounted on the inner side of the protective frame, a mounting groove is formed in the joint of the protective lens and the protective frame, a moving plate is mounted at one end of the protective frame, and a silica gel scraper is connected to one end of the moving plate. Compared with an existing device, the dust protection mask for the construction site has the advantages that the goggles can be protected through the protection lenses, dust can be prevented from making direct contact with the protection lenses, the goggles are high-transmittance glass lenses, the protection lenses are high-transmittance plastic lenses, and the good visual effect can be achieved through combined use; and the protective lenses can be conveniently detached and replaced through the mounting grooves.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective masks, in particular to a construction site dust protective mask. BACKGROUND

[0002] The dust mask is a kind of respiratory protection article for protecting dust, smoke, fog and other particulate pollutants, mainly by human body's own breath to use.Its alias includes dust mask and particulate mask, and it is used in the environment of dust and toxic gas in mine, medicine, petrochemical, shipbuilding, paint spraying and polishing operation, and more dust in construction site can affect the health of workers, so workers need to wear protective masks.

[0003] The Chinese patent with the authorized publication number CN218853347U discloses a dust mask, which comprises a mask body, the mask body is buckled to the face of a user and covers the mouth and nose, at least one group of air exchange openings are formed in the mask body, a dust filter box is provided with an identification area on the front side, the mask body is installed on the inner side of the dust filter box, an air exchange cavity is formed between the dust filter box and the mask body, the air exchange openings are communicated with the air exchange cavity, at least one group of air inlets are formed in the dust filter box, the air inlets are provided with filter elements, the air exchange cavity is communicated with the outside through the air inlets, so that the outside air is filtered by the filter elements when passing through the air inlets, a connecting assembly is provided, the connecting assembly comprises a clamping opening provided on the dust filter box and a clasp provided on the mask body, and the clamping opening and the clasp are detachably connected.The dust mask can be disassembled and cleaned, so that the technical problem of high use cost and maintenance cost of the dust mask in the prior art is solved.

[0004] Although the dust mask in the above solves the technical problem of high use cost and maintenance cost of the dust mask in the prior art caused by the fact that the dust mask cannot be disassembled and cleaned, the eye protection part will be covered with a large amount of dust to block the line of sight during use, and the eye protection part needs to be wiped frequently, the fine particles of dust will rub the eye protection part to cause scratches, and the entire mask needs to be replaced when there are many scratches, which is wasteful, therefore, the construction site dust protective mask is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a construction site dust protective mask to solve the problem of waste caused by the fact that the eye protection part will be covered with a large amount of dust to block the line of sight during use, and the eye protection part needs to be wiped frequently, the fine particles of dust will rub the eye protection part to cause scratches, and the entire mask needs to be replaced when there are many scratches.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a construction site dust protective mask, comprising:

[0007] The face mask body is provided with a goggle, and the lower part of the goggle is provided with an air inlet, and the air inlet is provided with a plurality of air holes at one end, and the air inlet is connected with a fixing ring, and the inner part of the fixing ring is provided with an activated carbon filter and a mesh filter respectively;

[0008] The protective frame is provided with a protective lens at the inner side, and the connecting part of the protective lens and the protective frame is provided with a mounting groove, and the one end of the protective frame is provided with a moving plate, and the one end of the moving plate is connected with a silica gel scraper, and the connecting part of the moving plate and the protective frame is provided with a guide sliding groove.

[0009] Preferably, the face mask body is further provided with:

[0010] The fixed band is arranged at the two sides of the face mask body.

[0011] Preferably, the position of the protective lens corresponds to the goggle, and the protective lens is detachably connected with the protective frame through the mounting groove.

[0012] Preferably, the moving plate and the protective frame form a sliding structure through the guide sliding groove, the silica gel scraper is fixedly connected with the moving plate, and the silica gel scraper and the protective lens are perpendicular to each other.

[0013] Preferably, the moving plate is further provided with:

[0014] The positioning block is connected at the two sides of the moving plate, and the lower part of the positioning block is provided with a limiting block.

[0015] Preferably, the limiting block is fixedly connected with the moving plate, the limiting block is rotatably connected with the protective frame through a positioning shaft, and the limiting block and the moving plate are clamped with each other.

[0016] Preferably, the air inlet is detachably connected with the fixing ring through a thread, and the activated carbon filter and the mesh filter are detachably connected with the fixing ring.

[0017] Compared with the prior art, the construction site dust protective mask has the following beneficial effects:

[0018] The protective lens can protect the goggle, so that the dust directly contacts the protective lens, the goggle is a high-transparency glass lens, the protective lens is a high-transparency plastic lens, and the combination use has a good visual effect, the mounting groove facilitates the disassembly and replacement of the protective lens, avoids that the goggle part is covered with a large amount of dust to block the vision during use, and needs to be frequently wiped, and the fine particles of the dust rub the goggle to cause scratches, and when the scratches are more, the whole mask needs to be replaced, which is relatively wasteful. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the external structure schematic view of the utility model;

[0021] Figure 3 It is the structure schematic view of the air inlet and the fixed ring of the utility model;

[0022] Figure 4 It is the utility model Figure 2 The enlarged structure schematic view of A place in the middle;

[0023] Figure 5 It is the structure schematic view of the protective frame of the utility model.

[0024] In the drawing: 1, mask body; 2, fixed bandage; 3, goggles; 4, air inlet; 5, air hole; 6, protective frame; 7, protective lens; 8, moving plate; 9, guide sliding slot; 10, limit block; 11, positioning block; 12, silica gel scraper; 13, installation groove; 14, fixed ring; 15, activated carbon filter; 16, mesh filter. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-3 , a construction site dust protective mask, comprising: mask body 1, the mask body 1 is installed with goggles 3, and the lower part of the goggles 3 is installed with air inlet 4, the air inlet 4 is provided with a plurality of air holes 5 in one end, one end of the air inlet 4 is connected with fixed ring 14, and the inner part of the fixed ring 14 is installed with activated carbon filter 15 and mesh filter 16 respectively; the air inlet 4 is detachably connected with the fixed ring 14 through screw thread, and the activated carbon filter 15 and the mesh filter 16 are both detachably connected with the fixed ring 14; the air inlet 4 and the fixed ring 14 are separated from each other through screw thread, so that the activated carbon filter 15 and the mesh filter 16 inside can be conveniently disassembled, cleaned and replaced; fixed bandage 2 is installed on both sides of the mask body 1; the fixed bandage 2 can facilitate the wearing of the mask body 1.

[0027] Please refer to Figure 2 , 45. A dust protection face shield for construction sites, comprising: a protective frame 6, which is installed at one end of the face shield body 1; a protective lens 7 is installed on the inner side of the protective frame 6; and a mounting groove 13 is provided at the connection between the protective lens 7 and the protective frame 6; the protective lens 7 corresponds to the position of the goggles 3; and the protective lens 7 is detachably connected to the protective frame 6 through the mounting groove 13; the protective lens 7 can protect the goggles 3, thereby preventing dust from directly contacting the protective lens 7; the goggles 3 are high-transparency glass lenses, and the protective lens 7 is a high-transparency plastic lens; when used together, they can also provide good visual effects; the mounting groove 13 facilitates the removal and replacement of the protective lens 7; a movable plate 8 is installed at one end of the protective frame 6, and a silicone scraper 12 is connected to one end of the movable plate 8; the movable plate 8 is connected to the protective frame 6. A guide groove 9 is provided at the joint; the movable plate 8 forms a sliding structure with the protective frame 6 through the guide groove 9, and the silicone scraper 12 is fixedly connected to the movable plate 8, and the silicone scraper 12 is perpendicular to the protective lens 7; the guide groove 9 facilitates the up and down movement of the movable plate 8 and the silicone scraper 12. During the movement of the silicone scraper 12, the dust attached to the protective lens 7 can be scraped off, thereby improving the visibility effect; positioning blocks 11 are connected to both sides of the movable plate 8, and limit blocks 10 are installed below the positioning blocks 11; the limit blocks 10 are fixedly connected to the movable plate 8, and the limit blocks 10 are rotatably connected to the protective frame 6 through the positioning shaft, and the limit blocks 10 and the movable plate 8 are mutually engaged; the limit blocks 10 can rotate relative to the protective frame 6 through the positioning shaft, thereby facilitating the limitation of the movable plate 8.

[0028] Working principle: When using this construction site dust protection mask, firstly, the mask body 1 is put on using the fixing straps 2. During inhalation, the ventilation holes 5, mesh filter 16, and activated carbon filter 15 on the intake port 4 can filter dust and prevent dust from harming workers. Secondly, the protective lens 7 can protect the goggles 3, thus preventing dust from directly contacting the protective lens 7. The goggles 3 are high-transparency glass lenses, and the protective lens 7 is a high-transparency plastic lens. When used together, they can also provide good visual effects. Then, the guide groove 9 facilitates movement. The up-and-down movement of plate 8 and silicone scraper 12 removes dust adhering to the protective lens 7, thereby improving visibility. The limiting block 10 can rotate relative to the protective frame 6 via the positioning shaft, thus facilitating the limiting of the moving plate 8. Finally, the mounting groove 13 facilitates the disassembly and replacement of the protective lens 7, and the threads facilitate the separation of the air intake 4 from the fixing ring 14, thereby facilitating the disassembly, cleaning, and replacement of the internal activated carbon filter 15 and mesh filter 16. This is the working principle of the dust protection mask for the construction site.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust mask for use in a construction site, characterized in that, Include: The mask body (1) is installed with goggles (3), and the lower part of the goggles (3) is installed with an air inlet (4), one end of the air inlet (4) is provided with a plurality of air holes (5), one end of the air inlet (4) is connected with a fixed ring (14), and the inner part of the fixed ring (14) is respectively installed with an activated carbon filter (15) and a mesh filter (16); The protective frame (6) is installed at one end of the mask body (1), the inner side of the protective frame (6) is installed with a protective lens (7), and the connection between the protective lens (7) and the protective frame (6) is provided with a mounting groove (13), one end of the protective frame (6) is installed with a moving plate (8), one end of the moving plate (8) is connected with a silica gel scraper (12), and the connection between the moving plate (8) and the protective frame (6) is provided with a guide sliding groove (9).

2. A construction site dust mask according to claim 1, wherein, The mask body (1) is also provided with: The fixed binding (2) is installed on both sides of the mask body (1).

3. A construction site dust mask according to claim 1, wherein, The position of the protective lens (7) corresponds to the position of the goggles (3), and the protective lens (7) is detachably connected with the protective frame (6) through the mounting groove (13).

4. A construction site dust mask according to claim 1, wherein The moving plate (8) and the protective frame (6) form a sliding structure through the guide sliding groove (9), the silica gel scraper (12) is fixedly connected with the moving plate (8), and the silica gel scraper (12) is perpendicular to the protective lens (7).

5. A construction site dust mask according to claim 1, wherein The moving plate (8) is also provided with: The positioning block (11) is connected on both sides of the moving plate (8), and the lower part of the positioning block (11) is installed with a limiting block (10).

6. A construction site dust mask according to claim 5, wherein, The limiting block (10) is fixedly connected with the moving plate (8), the limiting block (10) is rotatably connected with the protective frame (6) through a positioning shaft, and the limiting block (10) and the moving plate (8) are mutually clamped.

7. A construction site dust mask according to claim 1, wherein The air inlet (4) is detachably connected with the fixed ring (14) through threads, and the activated carbon filter (15) and the mesh filter (16) are detachably connected with the fixed ring (14).

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