CN220002778U

CN220002778U - Industrial safety mask

Info

Publication number: CN220002778U
Application number: CN202320949100.3U
Authority: CN
Inventors: 杨永华; 陈越; 马鹏飞; 张良; 吕鹏
Original assignee: Shandong Dongyue Polymer Material Co Ltd
Current assignee: Shandong Dongyue Polymer Material Co Ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-11-14
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to the technical field of chemical industry protective equipment, in particular to an industrial safety mask, which comprises a mask body, wherein an oral-nasal mask is arranged on the mask body and used for isolating and protecting an oral nose, a first vent hole and a second vent hole are formed in the oral-nasal mask, the first vent hole is communicated with an air inlet filter, the second vent hole is communicated with an exhaust device, and the exhaust device comprises an exhaust fan. Firstly, keep apart user's mouth and nose through setting up the oronasal cover, prevent that the gas of exhaling from escaping to other positions of face guard from causing the water smoke, secondly through set up exhaust device on the oronasal cover, effectively discharge the gas that the user exhaled rapidly, further ensure that the face guard is inside not to produce water smoke because of the steam gathers, effectively ensure that user's field of vision is clear, ensure the operation safety.

Description

Industrial safety mask

Technical Field

The utility model relates to the technical field of chemical industry protective equipment, in particular to an industrial safety mask.

Background

The protective mask is an industrial protective tool for protecting eyes and faces from being affected by harmful substances such as dust, chemical substances, hot air, toxic gas, scraps and the like, has wide application in chemical industry and processing industry, and can effectively prevent workers from sucking air with chemical raw materials.

When the existing protective mask is used, because the user exhales the gas to carry water vapor, if the wet water vapor cannot be removed rapidly, the wearing is uncomfortable, and water mist can be formed in the mask, so that the operation safety is affected. In order to solve the problem, chinese patent document CN 216703209U (application No. 202220216425.6) provides a chemical safety mask, a sealing device and a drying device are arranged on a mask, and the mask ensures that when the mask is used, the wet air inside the mask can be absorbed by a drying block, thereby improving the comfort of a wearer and the overall use effect; however, the mask absorbs the exhaled moist air through the drying block after the exhaled moist air is ejected into the mask, but when a certain temperature difference occurs between the air in the mask and the air exhaled by the human body, the exhaled moist air easily generates water mist in the mask, and even if the exhaled moist air is absorbed through the drying block, a certain time is required, and the sight of a wearer is still affected by the water mist in the time period. Therefore, there is a need to design a protective mask that can rapidly discharge exhaled air to avoid the generation of mist, so as to ensure the safe operation of users.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an industrial safety mask, wherein an oral-nasal mask with an exhaust device is arranged to isolate the mouth and the nose of a user, so that the influence of exhaled air on eyes is avoided, and the exhaled air is rapidly exhausted by an exhaust fan, so that the interior of the mask is further ensured not to generate water mist due to water vapor aggregation.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

the utility model provides an industrial safety mask, includes the face guard body, be equipped with the oronasal cover on the face guard body, the oronasal cover is used for keeping apart and protecting the oronasal portion, it has first air vent and second air vent to open on the oronasal cover, first air vent and inlet filter intercommunication, second air vent and exhaust device intercommunication, exhaust device includes the exhaust fan.

According to the industrial safety mask provided by the utility model, firstly, the mouth and nose of a user are isolated through the mouth-nose mask, so that the water mist caused by the fact that the exhaled air escapes to other parts of the mask is prevented, and secondly, the air exhaled by the user is effectively and rapidly exhausted through the exhaust device arranged on the mouth-nose mask, so that the fact that the water mist is not generated in the mask due to the fact that water vapor gathers is further ensured, the visual field of the user is effectively ensured to be clear, and the operation safety is ensured.

Preferably, the air inlet filter piece comprises a filter box and filter cotton, the filter box is fixed on the outer side of the mask body, a first air inlet hole and a second air inlet hole are formed in the filter box, the first air inlet hole is communicated with the inside and the outside of the filter box, a protective net is arranged at the first air inlet hole, the second air inlet hole is communicated with the first air vent, the filter cotton is arranged inside the filter box, and the filter cotton is located between the first air inlet hole and the second air inlet hole.

Further preferably, the filter cotton is detachably arranged inside the filter box.

Further preferably, the filter cotton is composed of activated carbon filter cotton, non-woven fabric filter cotton and glass fiber filter cotton.

Preferably, the exhaust device further comprises an exhaust box and first moisture-absorbing cotton, the exhaust box is fixed on the outer side of the mask body, a first exhaust hole and a second exhaust hole are formed in the exhaust box, the first exhaust hole is used for communicating the inside and the outside of the exhaust box, the second exhaust hole is used for communicating the second vent hole, the exhaust fan is arranged at the second exhaust hole, the first moisture-absorbing cotton is arranged inside the exhaust box, and the first moisture-absorbing cotton is located between the first exhaust hole and the second exhaust hole.

Further preferably, the first absorbent cotton is detachably disposed inside the exhaust box.

Preferably, the junction of the nose-mouth cover and the mask body is provided with a second absorbent cotton and a first rubber pad, and the second absorbent cotton is positioned on the outer side opposite to the first rubber pad.

The first rubber pad is arranged to ensure that the nose-mouth mask is tightly attached to the face of a user, so that the nose-mouth mask is effectively isolated, and the escaped water vapor is effectively adsorbed by the second hygroscopic cotton, so that the mask is ensured not to generate water mist.

Preferably, the mask body is internally provided with a eye protection frame for isolating eyes.

Preferably, the outer edge of the mask body is provided with a second rubber pad and a binding band. Through setting up second rubber pad and bandage, make the face guard body closely laminate user's face, prevent harmful gas and steam entering face guard inside.

Preferably, the mouth-nose cover is also provided with an observation hole, and a rubber sheet is arranged at the observation hole. Through offering the observation hole that has the rubber thin slice, can be when the user wears the face guard and breathes, according to the unsmooth degree of rubber thin slice, can judge whether filter cotton and first moisture absorption cotton block up and need change.

The beneficial effects of the utility model are as follows:

1. according to the industrial safety mask provided by the utility model, firstly, the mouth and nose of a user are isolated through the mouth-nose mask, so that the water mist caused by the fact that the exhaled air escapes to other parts of the mask is prevented, and secondly, the air exhaled by the user is effectively and rapidly exhausted through the exhaust device arranged on the mouth-nose mask, so that the fact that the water mist is not generated in the mask due to the fact that water vapor gathers is further ensured, the visual field of the user is effectively ensured to be clear, and the operation safety is ensured.

2. According to the industrial safety mask provided by the utility model, the first rubber pad is arranged to ensure that the mouth-nose mask is tightly attached to the face of a user, so that the mouth and the nose are effectively isolated, and the escaped water vapor is effectively adsorbed by utilizing the second absorbent cotton, so that the interior of the mask is ensured not to generate water mist.

3. According to the industrial safety mask provided by the utility model, the observation holes with the rubber sheets are formed in the positions of the oral-nasal mask, so that when a user wears the mask to breathe, whether the filter cotton and the first moisture absorption cotton are blocked or not can be judged according to the concave-convex degree of the rubber sheets.

Drawings

FIG. 1 is a front view of an industrial safety mask provided in example 1;

FIG. 2 is a rear view of the industrial safety mask provided in example 1;

FIG. 3 is a cross-sectional view of an intake filter;

FIG. 4 is a cross-sectional view of the exhaust device;

1, a mask body; 11. a strap; 12. a second rubber pad; 2. an oral nasal mask; 21. a first vent hole; 22. a second vent hole; 23. a first rubber pad; 24. a second absorbent cotton; 25. an observation hole; 26. a rubber sheet; 3. an intake air filter; 31. a filter box; 321. activated carbon filter cotton; 322. non-woven fabric filter cotton; 323. glass fiber filter cotton; 331. a first air inlet hole; 332. a second air inlet hole; 333. a protective net; 341. a filter box fixing frame; 342. a filter box fixing plate; 4. an exhaust device; 41. an exhaust box; 42. an exhaust fan; 43. a first absorbent cotton; 441. a first exhaust hole; 442. a second exhaust hole; 451. an exhaust box fixing frame; 452. an exhaust box fixing plate; 5. eye protection frame.

Detailed Description

The utility model will be further described with reference to examples and figures.

Example 1:

1-4, including face guard body 1, be equipped with the oronasal cover 2 on the face guard body 1, the oronasal cover 2 is used for keeping apart and protecting the oronasal, open on the oronasal cover 2 has first air vent 21 and second air vent 22, first air vent 21 communicates with the filter 3 that admits air through air duct 6, second air vent 22 communicates with exhaust device 4 through air duct 6. The junction of the nose-mouth mask 2 and the mask body 1 is provided with a second absorbent cotton 24 and a first rubber pad 23, wherein the second absorbent cotton 24 is positioned on the opposite outer side of the first rubber pad 23; an observation hole 25 is also formed in the position of the oral-nasal mask 2, and a rubber sheet 26 is arranged at the observation hole 25. The mask body 1 is internally provided with a eye protection frame 5 for isolating eyes. The outer edge of the mask body 1 is provided with a second rubber pad 12 and a binding band 11. Through setting up second rubber pad 12 and bandage 11, make face guard body 1 closely laminate user's face, prevent harmful gas and steam entering face guard inside.

The air inlet filter 3 comprises a filter box 31 and filter cotton, the filter box 31 is fixed on the outer side of the mask body 1, a first air inlet hole 331 and a second air inlet hole 332 are formed in the filter box 31, the first air inlet hole 331 is communicated with the inside and the outside of the filter box 31, a protective net 333 is arranged at the first air inlet hole 331, the second air inlet hole 332 is communicated with the first air vent 21, the filter cotton is arranged inside the filter box 31, and the filter cotton is located between the first air inlet hole 331 and the second air inlet hole 332. As shown in fig. 3, a detachable cover body is provided on the filter box 31, a filter box fixing frame 341 for fixing filter cotton is provided inside the filter box 31, the filter cotton is detachably provided inside the filter box 31 through a filter box fixing plate 342, and the filter cotton is sequentially an activated carbon filter cotton 321, a non-woven fabric filter cotton 322 and a glass fiber filter cotton 323 from outside to inside. In this embodiment, the first air inlet 331 is provided with two left and right air inlets, the second air inlet 332 is provided in the middle of the side of the filter box 31 close to the mask body 1, two sets of filter cotton are symmetrically provided, the two sets of filter cotton are located between the first air inlet 331 and the second air inlet 332, and after effectively filtering the external air from the first air inlets 331 on both sides, the external air is supplied to the user through the second air inlet 332 and the first air vent 21 into the nose mask 2.

The exhaust device 4 comprises an exhaust box 41, an exhaust fan 42 and a first moisture-absorbing cotton 43, the exhaust box 41 is fixed on the outer side of the mask body 1, a first exhaust hole 441 and a second exhaust hole 442 are formed in the exhaust box 41, the first exhaust hole 441 communicates the inside and the outside of the exhaust box 41, the second exhaust hole 442 communicates with the second ventilation hole 22, the exhaust fan 42 is arranged at the second exhaust hole 442, the first moisture-absorbing cotton 43 is arranged inside the exhaust box 41, and the first moisture-absorbing cotton 43 is located between the first exhaust hole 441 and the second exhaust hole 442. As shown in fig. 4, a detachable cover body is provided on the exhaust box 41, an exhaust box fixing frame 451 for fixing the first absorbent cotton 43 is provided inside the exhaust box 41, and the first absorbent cotton 43 is detachably provided inside the exhaust box 41 by an exhaust box fixing plate 452. In this embodiment, the first exhaust holes 441 are provided with left and right two exhaust holes 441, and the first exhaust holes 441 are also provided with a protection net, the second exhaust holes 442 are disposed in the middle of the exhaust box 41 near one side of the mask body 1, the first absorbent cotton 43 is symmetrically provided with two, and the two first absorbent cotton 43 are both located between the first exhaust holes 441 and the second exhaust holes 442.

When the mask is specifically used, a user wears the mask body 1 on the face by using the binding belt 11, at the moment, the second rubber pad 12 tightly attaches the mask body 1 on the face of the user, meanwhile, the first rubber pad 23 effectively isolates the mouth and the nose of the user, the eye protection frame 5 is aligned with eyes of the user, the exhaust fan 42 is started, gas exhaled by the user in the mouth and nose mask 2 is rapidly exhausted, and external air is filtered by the air inlet filter 3 and then enters the inside of the nose mask 2. After a period of use, a user can determine whether the filter cotton and the first absorbent cotton 43 are blocked or not to be replaced according to the concave-convex degree of the rubber sheet 26. When the filter cotton or the first absorbent cotton 43 needs to be replaced, the cover body is removed, so that replacement can be performed, and operation is convenient.

Claims

1. The utility model provides an industrial safety mask, its characterized in that, includes mask body (1), be equipped with mouth nose cup (2) on mask body (1), mouth nose cup (2) are used for keeping apart and protecting the mouth nose, it has first air vent (21) and second air vent (22) to open on mouth nose cup (2), first air vent (21) and air inlet filter (3) intercommunication, second air vent (22) and exhaust device (4) intercommunication, exhaust device (4) include exhaust fan (42).

2. Industrial safety mask according to claim 1, characterized in that the air intake filter element (3) comprises a filter box (31) and filter cotton, the filter box (31) is fixed on the outer side of the mask body (1), a first air inlet hole (331) and a second air inlet hole (332) are formed in the filter box (31), the first air inlet hole (331) is communicated with the inside and the outside of the filter box (31), a protective net (333) is arranged at the first air inlet hole (331), the second air inlet hole (332) is communicated with the first air vent (21), the filter cotton is arranged inside the filter box (31), and the filter cotton is located between the first air inlet hole (331) and the second air inlet hole (332).

3. Industrial safety mask according to claim 2, characterized in that the filter cotton is removably arranged inside the filter box (31).

4. The industrial safety mask according to claim 2 wherein the filter cotton consists of activated carbon filter cotton (321), nonwoven filter cotton (322) and glass filter cotton (323).

5. The industrial safety mask according to claim 1, wherein the exhaust device (4) further comprises an exhaust box (41) and a first moisture-absorbing cotton (43), the exhaust box (41) is fixed at the outer side of the mask body (1), a first exhaust hole (441) and a second exhaust hole (442) are formed in the exhaust box (41), the first exhaust hole (441) communicates the inside and the outside of the exhaust box (41), the second exhaust hole (442) communicates with the second vent hole (22), the exhaust fan (42) is arranged at the second exhaust hole (442), the first moisture-absorbing cotton (43) is arranged inside the exhaust box (41), and the first moisture-absorbing cotton (43) is located between the first exhaust hole (441) and the second exhaust hole (442).

6. Industrial safety mask according to claim 5, characterized in that the first absorbent cotton (43) is removably arranged inside the ventilation box (41).

7. Industrial safety mask according to claim 1, characterized in that the junction of the oronasal mask (2) and the mask body (1) is provided with a second absorbent cotton (24) and a first rubber pad (23), the second absorbent cotton (24) being located on the opposite outer side of the first rubber pad (23).

8. Industrial safety mask according to claim 1, characterized in that the mask body (1) is internally provided with a eye-protection frame (5) for isolating eyes.

9. Industrial safety mask according to claim 1, characterized in that the outer edge of the mask body (1) is provided with a second rubber pad (12) and a strap (11).

10. Industrial safety mask according to claim 1, characterized in that the mouth-nose mask (2) is further provided with an observation hole (25), and that the observation hole (25) is provided with a rubber sheet (26).