Chemical safety protection mask

Abstract

The utility model relates to the technical field of protective masks, in particular to a chemical safety protective mask which comprises a mask and a storage box, the side face of the mask is fixedly connected with a hose used for transmission, one end of the hose is fixedly connected with an air pump, and the upper end of the air pump is fixedly connected with a protective shell used for protection. The inner wall of the protective shell is fixedly connected with a smoke filtering layer used for filtering, and the lower end of the smoke filtering layer is connected with a drug taking layer used for filtering in a clamped mode. According to the chemical safety protection mask, through cooperative arrangement of an air pump, a protection shell and a smoke filtering layer, when a worker uses the mask, the flowing speed of air in the mask can be increased, meanwhile, air outside equipment is sucked into an air inlet pipe by means of suction force generated by the air pump, air filtering of the smoke filtering layer and a drug taking layer is accelerated, and the safety of the worker is improved. And the problem that when air enters the mask, filtering is slow, and therefore it is difficult for workers to breathe is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective masks, in particular to a chemical safety protective mask. Background Art

[0002] A protective mask is a personal labor protection article and also a single-soldier protection article. Worn on the head, it protects a person's respiratory organs, eyes and face, and prevents personal protective equipment from being damaged by toxic substances such as poisonous gas, dust, bacteria, toxic and harmful gases or vapors. Gas masks are widely used in fields such as petroleum, chemical industry, mining, metallurgy, military, fire fighting, emergency rescue, sanitation and epidemic prevention, science and technology environmental protection, and machinery manufacturing. Gas masks can be divided into full-face masks and half-masks in terms of shape.

[0003] Chinese Patent Publication No. CN208319731U discloses a chemical safety protective mask, which includes a mask, goggles and straps. A breathing valve and a filter box are respectively installed in the middle and on the left and right sides of the lower end of the mask surface. A connecting piece is installed at the bottom end of the mask. The bottom end of the mask is connected to the upper end of a neck guard through the connecting piece. Goggles are installed on the upper surface of the mask. A box body is installed on the upper end of the mask. A rotating rod is placed inside the box body, and the left side of the rotating rod is clamped and connected to a rotating shaft installed on the left side inside the box body. A rotating ring is installed on the right side of the rotating rod, and the rotating ring is placed on the outer surface of the right side of the box body. By means of the shielding cloth installed on the surface of the rotating rod, the utility model is beneficial to protecting the goggles on the surface of the protective mask. At the same time, through the wiping cloth installed at the bottom of the shielding cloth, the dust on the surface of the goggles can be wiped during use, avoiding the influence of dust on the user's line of sight, which is relatively practical and suitable for wide promotion and use.

[0004] However, when the utility model is actually used, the following problems exist;

[0005] When the device is used by staff in an environment of dust and harmful gases, air is filtered through the filter element on the side of the device and enters the interior of the device. However, the filter element filters the air slowly during detailed filtration, and the gas exhaled by the staff is discharged from the interior of the device relatively slowly. Therefore, it is difficult for the staff to breathe. Content of the Utility Model

[0006] (1) Technical Problems to be Solved

[0007] To overcome the above-mentioned defects of the prior art, the present utility model provides a chemical safety protection mask, which solves the problem that when the device is used by workers in an environment of dust and harmful gases, air is filtered through the filter element on the side of the device and enters the interior of the device. However, the filter element filters the air slowly, and the gas exhaled by the workers is discharged from the interior of the device relatively slowly. Therefore, it is difficult for the workers to breathe.

[0008] Technical solution

[0009] To achieve the above object, the present utility model is realized through the following technical solutions: A chemical safety protection mask includes a face mask and a storage box. A hose for transmission is fixedly connected to the side of the face mask. One end of the hose is fixedly connected to an air pump. A protective shell for protection is fixedly connected to the upper end of the air pump. A smoke filter layer for filtering is fixedly connected to the inner wall of the protective shell. A drug absorption layer for filtering is clamped at the lower end of the smoke filter layer. An air inlet pipe is fixedly connected to the upper end of the protective shell. An air outlet for limiting is provided on the side of the face mask.

[0010] Preferably, an adsorption pad for filtering is fixedly connected to the upper end of the air inlet pipe, and a clamping hole for air intake is provided on the upper end of the adsorption pad.

[0011] Preferably, a connecting hook for limiting is fixedly connected to the side of the storage box, and a friction pattern for anti-slip is provided on the outer surface of the connecting hook.

[0012] Preferably, a box cover for sealing is clamped at the upper end of the storage box, and a connecting hole for positioning is provided on the upper end of the box cover.

[0013] Preferably, a sol particle barrier layer for filtering is clamped on the inner wall of the air outlet, and a poison filter layer for filtering is clamped on the inner wall of the air outlet.

[0014] Preferably, a tightening belt for fixing is detachably connected to the side of the face mask, and a stress ring for fixing is clamped at one end of the tightening belt.

[0015] Preferably, a threaded column for fastening is inserted into the side of the tightening belt, and the threaded column penetrates through one side of the tightening belt and is inserted into the interior of the stress ring.

[0016] Preferably, a support rod for bearing force is fixedly connected to the outer surface of the air pump, and one end of the support rod is detachably connected to the inner bottom wall of the storage box.

[0017] (III) Beneficial effects

[0018] The present utility model provides a chemical safety protection mask, which has the following beneficial effects:

[0019] This chemical safety protection mask, through the combined setting of an air pump, an air inlet pipe, a protective shell and a smoke filtering layer, can increase the air flow speed inside the mask when the staff is using it. At the same time, with the suction force generated by the air pump, the air outside the device is inhaled into the inside of the air inlet pipe, accelerating the filtration of air by the smoke filtering layer and the drug absorption layer, avoiding the problem that when air enters the mask, the filtration is relatively slow, resulting in difficulty for the staff to breathe. At the same time, with the suction force generated by the air pump, it can also accelerate the discharge of the exhaled gas of the staff inside the mask, further improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the present utility model;

[0021] Figure 2 It is a schematic structural diagram of the mask of the present utility model;

[0022] Figure 3 It is a schematic structural diagram of the storage box of the present utility model;

[0023] Figure 4 It is a schematic structural diagram of the air pump of the present utility model;

[0024] Figure 5 It is a schematic structural diagram of the tightening belt of the present utility model.

[0025] In the figure: 1, mask; 2, storage box; 3, hose; 4, air pump; 5, protective shell; 6, smoke filtering layer; 7, drug absorption layer; 8, air inlet pipe; 9, air outlet; 10, adsorption pad; 11, connecting hook; 12, box cover; 13, connecting hole; 14, sol particle barrier layer; 15, gas filtering layer; 16, tightening belt; 17, stress ring; 18, threaded post; 19, support rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment 1;

[0028] Please refer to Figures 1 to 5, the present utility model provides a technical solution: a chemical safety protection mask, which is mainly applied to the chemical production scenario, including a face mask 1 and a storage box 2. A connecting hook 11 for limiting is fixedly connected to the side of the storage box 2. Anti-slip friction lines are provided on the outer surface of the connecting hook 11. A box cover 12 for sealing is clamped at the upper end of the storage box 2. A connecting hole 13 for positioning is provided at the upper end of the box cover 12. With the arrangement of the connecting hook 11, it is convenient for the staff to carry the storage box 2. At the same time, through the arrangement of the box cover 12, the inside of the storage box 2 can be sealed. Through the arrangement of the connecting hole 13, it is convenient to limit the intake pipe 8;

[0029] Embodiment Two;

[0030] Please refer to Figures 1 to 5 , a hose 3 for transmission is fixedly connected to the side of the face mask 1. A tightening band 16 for fixing is detachably connected to the side of the face mask 1. A force-receiving ring 17 for fixing is clamped at one end of the tightening band 16. A threaded column 18 for fastening is inserted into the side of the tightening band 16. The threaded column 18 penetrates through one side of the tightening band 16 and is inserted into the inside of the force-receiving ring 17. One end of the hose 3 is fixedly connected to an air pump 4. A support rod 19 for receiving force is fixedly connected to the outer surface of the air pump 4. One end of the support rod 19 is detachably connected to the inner bottom wall of the storage box 2. A protective shell 5 for protection is fixedly connected to the upper end of the air pump 4. A smoke filtering layer 6 for filtering is fixedly connected to the inner wall of the protective shell 5. With the combined arrangement of the tightening band 16 and the force-receiving ring 17, it is convenient for the staff to adjust according to the size of their own head, and then fix the face mask 1. With the arrangement of the threaded column 18, the adjusted tightening band 16 can be fixed more conveniently. With the arrangement of the support rod 19, it is convenient for the staff to clamp the air pump 4 inside the storage box 2;

[0031] Embodiment Three;

[0032] Please refer to Figures 1 to 5 , a drug absorption layer 7 for filtering is clamped at the lower end of the smoke filtering layer 6. An intake pipe 8 for filtering is fixedly connected to the upper end of the protective shell 5. An adsorption pad 10 for filtering is fixedly connected to the upper end of the intake pipe 8. A clamping hole for air intake is provided at the upper end of the adsorption pad 10. An air outlet 9 for limiting is provided on the side of the face mask 1. A sol particle blocking layer 14 for filtering is clamped on the inner wall of the air outlet 9. A poison filtering layer 15 for filtering is clamped on the inner wall of the air outlet 9. With the arrangement of the adsorption pad 10, the air entering the inside of the intake pipe 8 can be filtered, and the larger particles inside can be adsorbed. With the arrangement of the sol particle blocking layer 14, harmful aerosol particles can be efficiently filtered out without causing obvious resistance to human breathing. With the arrangement of the poison filtering layer 15, the remaining harmful gases in the air can be adsorbed.

[0033] All the electrical components mentioned in this article are electrically connected to the external main controller and the 220V mains power supply, and the main controller can be a conventional known device such as a computer for control purposes.

[0034] In this utility model, the working steps of the device are as follows:

[0035] First, place the mask 1 on the face, and use the tightening strap 16 and the stress ring 17 to fix the mask 1 on the head. Pass the threaded post 18 through the tightening strap 16 and snap it into the stress ring 17 to fix and limit the tightening strap 16. Then, turn on the switch of the air pump 4 to make it start working. The suction of the air pump 4 sucks the external air through the intake pipe 8. The air first passes through the adsorption pad 10 for preliminary filtration to remove large particle impurities. Then, the air enters the interior of the protective shell 5 and is further filtered through the smoke filtering layer 6 and the poisonous gas absorption layer 7 to remove harmful gases and fine particles. When the staff exhales, the exhaled gas is discharged through the air outlet 9 on the side of the mask 1. During the discharge process, the sol particle barrier layer 14 and the gas filtering layer 15 will further block the external air.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A chemical safety protection mask, comprising a face mask (1) and a storage box (2), characterized in that: A hose (3) for transmission is fixedly connected to the side of the mask (1). One end of the hose (3) is fixedly connected to an air pump (4). A protective housing (5) for protection is fixedly connected to the upper end of the air pump (4). A smoke filtering layer (6) for filtering is fixedly connected to the inner wall of the protective housing (5). A drug absorption layer (7) for filtering is snap-connected to the lower end of the smoke filtering layer (6). An air inlet pipe (8) is fixedly connected to the upper end of the protective housing (5). An air outlet (9) for limiting is provided on the side of the mask (1).

2. The chemical safety protective mask according to claim 1, wherein: An adsorption pad (10) for filtering is fixedly connected to the upper end of the air inlet pipe (8). A clamping hole for air intake is provided at the upper end of the adsorption pad (10).

3. The chemical safety protection mask according to claim 1, characterized in that: A connecting hook (11) for limiting is fixedly connected to the side of the storage box (2). Anti-slip friction lines are provided on the outer surface of the connecting hook (11).

4. A chemical safety protection mask according to claim 1, characterized in that: A box cover (12) for sealing is snap-connected to the upper end of the storage box (2). A connecting hole (13) for positioning is provided at the upper end of the box cover (12).

5. The chemical safety protection mask according to claim 1, wherein: A sol particle blocking layer (14) for filtering is snap-connected to the inner wall of the air outlet (9). A poison filtering layer (15) for filtering is snap-connected to the inner wall of the air outlet (9).

6. The chemical safety protection mask according to claim 1, wherein: A tightening band (16) for fixing is detachably connected to the side of the mask (1). A stress ring (17) for fixing is snap-connected to one end of the tightening band (16).

7. The chemical safety protection mask according to claim 6, wherein: A threaded post (18) for fastening is inserted into the side of the tightening band (16). The threaded post (18) passes through one side of the tightening band (16) and is inserted into the interior of the stress ring (17).

8. A chemical safety protective mask according to claim 1, characterized in that: A support rod (19) for bearing force is fixedly connected to the outer surface of the air pump (4). One end of the support rod (19) is detachably connected to the inner bottom wall of the storage box (2).

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