CN215781086U

CN215781086U - High-efficient filterable industry protective face mask

Info

Publication number: CN215781086U
Application number: CN202122088014.1U
Authority: CN
Inventors: 陈玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-11
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses an industrial protective mask with high-efficiency filtering, which comprises a mask main body, wherein the mask main body is connected with an air inlet device, the air inlet device is sequentially provided with an air inlet outer cover, a filtering layer support and an air inlet inner cover from outside to inside, a filtering layer is arranged on the filtering layer support, and the filtering layer comprises at least two layers of electrostatic melt-blown cloth. The air inlet device is used for air inlet, the breathing smoothness is good, and the filtering performance of the air inlet device is not influenced by the exhaled air; the air inlet device is provided with the filter layer with at least two layers of electrostatic melt-blown cloth, so that the air inlet device has the advantages of good air permeability, large dust holding capacity, long service time and high filtering efficiency, and can achieve the effect of efficiently filtering harmful substances such as dust, scraps, spray, viruses, chemical gases and the like.

Description

High-efficient filterable industry protective face mask

Technical Field

The utility model relates to the technical field of industrial protective masks, in particular to an industrial protective mask with efficient filtering.

Background

At present, in factory workshops, substances harmful to human bodies, such as dust, debris, spray, viruses, chemical gases and the like, are easily generated, and when harmful substances exceed the standard, an industrial protective mask needs to be worn to filter the harmful substances so as to protect the human health from being damaged. Refer to patent 202022130069.X, which discloses a protective mask structure, including a mask made of a silica gel material, the mask having a downward step surface, the step surface being provided with a mounting through hole, the mounting through hole being detachably clamped with a breather valve, and the breather valve being disposed downward; the breather valve comprises a valve shell pipe clamped at the mounting through hole, the valve shell pipe is arranged downwards, the lower end of the valve shell pipe is closed, the circumferential surface of the valve shell pipe is of a hollow structure, and a columnar sponge body is embedded in the valve shell pipe; and spray-melting cloth is arranged between the peripheral surface of the sponge body and the inner wall of the valve casing pipe and sleeved outside the sponge body. However, the above patent for protective mask also has the following disadvantages: firstly, the common spray-melting cloth is adopted, and the filtering effect is not good enough; secondly, it admits air and gives vent to anger all through the breather valve, and the breather valve can improve certain breathing unobstructed nature, nevertheless will admit air and the passageway of giving vent to anger separates, breathes unobstructed nature still not enough to it can influence the filter effect of spouting the melting cloth to contain vapor in the gas of exhalation.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide an industrial protective mask with high-efficiency filtration according to the defects of the prior art, the industrial protective mask is provided with air inlet by an air inlet device, the breathing smoothness is good, and the filtering performance of the air inlet device is not influenced by the exhaled air; the air inlet device is provided with the filter layer with at least two layers of electrostatic melt-blown cloth, so that the air inlet device has the advantages of good air permeability, large dust holding capacity, long service time and high filtering efficiency, and can achieve the effect of efficiently filtering harmful substances such as dust, scraps, spray, viruses, chemical gases and the like.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a high-efficient filterable industry protective mask, includes the face guard main part, and the face guard main part is connected with air inlet unit, air inlet unit is from outer enclosing cover, filter layer support and the inner cup that admits air to interior being equipped with in proper order, install the filter layer on the filter layer support, the filter layer includes at least two-layer static melt-blown cloth.

Preferably, the filter layer of the present invention has four structures as follows:

the first structure is as follows: the filter layer still includes first non-woven fabrics, first acupuncture static cotton sets up in the inboard of first non-woven fabrics, static melt-blown fabric sets up in the inboard of first acupuncture static cotton.

The second structure is as follows: the filter layer still includes first non-woven fabrics, first acupuncture static cotton sets up in the inboard of first non-woven fabrics, static melt-blown fabric sets up in the inboard of first acupuncture static cotton, the inboard of static melt-blown fabric still is equipped with the second non-woven fabrics.

A third structure: the filter layer further comprises third needling static cotton and fourth needling static cotton, the fourth needling static cotton is arranged on the inner side of the third needling static cotton, and the static melt-blown fabric is arranged on the inner side of the third needling static cotton.

A fourth configuration: the filter layer still includes third non-woven fabrics, fifth acupuncture static cotton, activated carbon layer, fourth non-woven fabrics, fifth acupuncture static cotton sets up in the inboard of third non-woven fabrics, the activated carbon layer sets up in the inboard of fifth acupuncture static cotton, static melt-blown fabric sets up in the inboard on activated carbon layer, and the fourth non-woven fabrics sets up in the inboard of static melt-blown fabric.

Preferably, the mask main body comprises a mask support and a mask body, the mask body is arranged outside the mask support, the mask support is provided with an air inlet, the air inlet is provided with an air inlet check valve, and the air inlet inner cover is connected with the air inlet of the mask support.

Preferably, the mask support is provided with two air inlets, wherein one air inlet is arranged at the left side of the mask support, and the other air inlet is arranged at the right side of the mask support; the two air inlet devices are arranged, the air inlet inner cover of one air inlet device is connected with the air inlet on the left side of the mask support, and the air inlet inner cover of the other air inlet device is connected with the air inlet on the right side of the mask support.

Preferably, the front end of the middle part of the mask support is provided with an air outlet, and the air outlet is provided with an air outlet check valve.

Preferably, a guide plate is arranged on the inner side of the middle part of the mask support, the guide plate corresponds to the air outlet, the upper end of the guide plate is hollow, when a person wears the industrial protective mask, the upper end of the guide plate is positioned below the front part of the nostril of the person, and an air outlet guide channel is arranged between the upper end of the guide plate and the air outlet check valve of the air outlet.

Preferably, the front side of the mask main body is further connected with a front mask body, the middle part of the front mask body is provided with an air outlet hole, and the air outlet hole is communicated with an air outlet of the mask bracket; the two sides of the front cover body are respectively provided with a connecting buckle which is used for connecting an elastic band worn on the head of a human body.

The utility model has the beneficial effects that: the utility model is provided with the air inlet device, so that air inlet and air outlet can be separated, the breathing smoothness is good, and the filtering performance of the air inlet device is not influenced by the exhaled air. Because the air inlet device is sequentially provided with the air inlet outer cover, the filter layer bracket and the air inlet inner cover from outside to inside, the filter layer bracket is provided with the filter layer with at least two layers of electrostatic melt-blown cloth, and the effect of efficiently filtering harmful substances such as dust, scraps, spray, viruses, chemical gas and the like can be achieved; the electrostatic melt-blown fabric adopts two or more layers of medium-effect or high-medium-effect electrostatic melt-blown fabrics to form a sub-high-efficiency/ultra-high-efficiency filter layer; good air permeability, large dust holding capacity, long service time, reduced frequency of replacing the filter layer and reduced use cost. In addition, in a preferred mode of the utility model, four filter layer structures are configured according to the actual industrial environment, and the non-woven fabric, the needle-punched static cotton and the activated carbon layer are added in the filter layer, so that a better filtering effect can be achieved according to the requirement. The inner side of the middle part of the mask support is provided with a guide plate, the guide plate corresponds to the position of the air outlet, an opening at the upper end of the guide plate is positioned at the front lower part of the nostril of a person, and an air outlet guide channel is arranged between the upper end of the guide plate and the air outlet check valve of the air outlet, so that the accumulation of hot air in the mask can be reduced, the expired air of the person directly reaches the air outlet check valve along with the guide channel, the expiration resistance is reduced, and the accumulated water and stuffiness sensation in the industrial mask are improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of a dispersion structure according to the present invention.

FIG. 3 is a second schematic view of the dispersion structure of the present invention.

FIG. 4 is a view showing the structure of a first filter layer.

FIG. 5 is a view showing a structure of a second filter layer.

FIG. 6 is a view showing the structure of a third filter layer.

FIG. 7 is a view showing the structure of a fourth filter layer.

Detailed Description

The structural and operational principles of the present invention are explained in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present invention is an industrial protective mask with high filtration efficiency, which comprises a mask body 1, wherein the mask body is connected with an air inlet device 2, the air inlet device 2 is sequentially provided with an air inlet outer cover 21, a filter layer support 22 and an air inlet inner cover 23 from outside to inside, the filter layer support 22 is provided with a filter layer 24, the filter layer 24 is preferably arranged on the outer side of the filter layer support 22, and the filter layer 24 comprises at least two layers of electrostatic melt-blown cloth 241. Due to the arrangement of the air inlet device 2, air inlet and expiration can be separated, the breathing smoothness is good, and the exhaled air does not influence the filtering performance of the air inlet device 2. Because the air inlet device 2 is sequentially provided with the air inlet outer cover 21, the filter layer bracket 22 and the air inlet inner cover 23 from outside to inside, and the filter layer bracket 23 is provided with the filter layer 24 with at least two layers of electrostatic melt-blown cloth, the effect of efficiently filtering harmful substances such as dust, scraps, spray, viruses, chemical gas and the like can be achieved; the electrostatic melt-blown fabric adopts two or more layers of medium-effect or high-medium-effect electrostatic melt-blown fabrics to form a sub-high-efficiency/ultra-high-efficiency filter layer; good air permeability, large dust holding capacity, long service time, reduced frequency of replacing the filter layer and reduced use cost.

As shown in fig. 4 to 7, the filter layer of the present invention has four structures, and it should be noted that the four structures are all exemplified by a filter layer having two layers of electrostatic meltblown 241, and in practice, three, four or more layers of electrostatic meltblown 241 may be provided according to practical situations. The four structures of the filter layer are respectively as follows:

as shown in fig. 4, a first structure: the filter layer 24 further includes a first nonwoven fabric 242 and a first needle punched electrostatic cotton 243, the first needle punched electrostatic cotton 243 is disposed on the inner side of the first nonwoven fabric 242, and the electrostatic meltblown fabric 241 is disposed on the inner side of the first needle punched electrostatic cotton 243.

As shown in fig. 5, a second structure: the filter layer 24 further includes a first nonwoven fabric 242 and a first needle-punched electrostatic cotton 243, the first needle-punched electrostatic cotton 243 is disposed on the inner side of the first nonwoven fabric 242, the electrostatic meltblown 241 is disposed on the inner side of the first needle-punched electrostatic cotton 243, and a second nonwoven fabric 244 is further disposed on the inner side of the electrostatic meltblown 241. The difference between the second structure and the first structure is that the second structure has one more layer of the second nonwoven 244.

As shown in fig. 6, a third structure: the filter layer 24 further comprises third needle-punched electrostatic cotton 245 and fourth needle-punched electrostatic cotton 246, the fourth needle-punched electrostatic cotton 246 is arranged on the inner side of the third needle-punched electrostatic cotton 245, and the electrostatic meltblown 241 is arranged on the inner side of the third needle-punched electrostatic cotton 246.

As shown in fig. 7, a fourth structure: the filter layer 24 further includes a third non-woven fabric 247, a fifth needle-punched electrostatic cotton 248, an activated carbon layer 249, and a fourth non-woven fabric 250, the fifth needle-punched electrostatic cotton 248 is disposed on the inner side of the third non-woven fabric 247, the activated carbon layer 249 is disposed on the inner side of the fifth needle-punched electrostatic cotton 248, the electrostatic meltblown fabric 241 is disposed on the inner side of the activated carbon layer 249, and the fourth non-woven fabric 250 is disposed on the inner side of the electrostatic meltblown fabric 241.

As shown in fig. 1 to 3, the mask body 1 includes a mask support 11 and a mask body 12, the mask body 12 is installed outside the mask support 11, the mask support 11 is provided with an air inlet 111, the air inlet 111 is provided with an air inlet check valve 112, and the air inlet inner cover 23 is connected with the air inlet 111 of the mask support 11. After the intake port 111 is provided with the intake check valve 112, the exhaled gas can be made not to exhale from the intake port 111. The mask support 11 is provided with two air inlets 111, wherein one air inlet 111 is arranged on the left side of the mask support 11, and the other air inlet 111 is arranged on the right side of the mask support 11; the number of the air inlet devices 2 is two, wherein the air inlet inner cover 23 of one air inlet device 2 is connected with the air inlet 111 at the left side of the mask support 11, and the air inlet inner cover 23 of the other air inlet device 2 is connected with the air inlet 111 at the right side of the mask support 11. Two air inlets 111 are provided to allow outside air to enter the mask body 1 from both the left and right sides.

As shown in fig. 1 to 3, an air outlet 113 is provided at the front end of the middle part of the mask support 11, and an air outlet check valve 114 is provided at the air outlet 113. After outlet 113 is provided with outlet check valve 114, outlet 113 can be prevented from being supplied with air. The inner side of the middle part of the mask support 11 is provided with a guide plate 115, the guide plate 115 corresponds to the position of the air outlet 113, the upper end of the guide plate 115 is hollow, when a person wears the industrial protective mask, the upper end of the guide plate 115 is positioned at the front lower part of the nostril of the person, and an air outlet guide channel 116 is arranged between the upper end of the guide plate 115 and an air outlet check valve 114 of the air outlet 113. The inner side of the middle part of the mask support is provided with a guide plate, the guide plate corresponds to the position of the air outlet, an opening at the upper end of the guide plate is positioned at the front lower part of the nostril of a person, and an air outlet guide channel is arranged between the upper end of the guide plate and the air outlet check valve of the air outlet, so that the accumulation of hot air in the mask can be reduced, the expired air of the person directly reaches the air outlet check valve along with the guide channel, the expiration resistance is reduced, and the accumulated water and stuffiness sensation in the industrial mask are improved.

As shown in fig. 1 to 3, the front side of the mask body 1 is further connected with a front mask body 3, the middle of the front mask body 3 is provided with an air outlet 31, and the air outlet 31 is communicated with an air outlet 113 of the mask support 11; two sides of the front cover body 3 are respectively provided with a connecting buckle 32, and the connecting buckles 32 are used for connecting an elastic band (not shown in the figure) worn on the head of a human body.

The above description is only a preferred embodiment of the present invention, and all the minor modifications, equivalent changes and modifications made to the above embodiment according to the technical solution of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a high-efficient filterable industry protective facial mask which characterized in that: including the face guard main part, the face guard main part is connected with air inlet unit, air inlet unit is from outer enclosing cover, filter layer support and the inner cup that admits air to interior being equipped with in proper order, install the filter layer on the filter layer support, the filter layer includes at least two-layer static melt-blown cloth.

2. The high efficiency filtering industrial face shield of claim 1, wherein: the filter layer still includes first non-woven fabrics, first acupuncture static cotton sets up in the inboard of first non-woven fabrics, static melt-blown fabric sets up in the inboard of first acupuncture static cotton.

3. The high efficiency filtering industrial face shield of claim 2, wherein: and a second non-woven fabric is arranged on the inner side of the electrostatic melt-blown fabric.

4. The high efficiency filtering industrial face shield of claim 1, wherein: the filter layer further comprises third needling static cotton and fourth needling static cotton, the fourth needling static cotton is arranged on the inner side of the third needling static cotton, and the static melt-blown fabric is arranged on the inner side of the third needling static cotton.

5. The high efficiency filtering industrial face shield of claim 1, wherein: the filter layer still includes third non-woven fabrics, fifth acupuncture static cotton, activated carbon layer, fourth non-woven fabrics, fifth acupuncture static cotton sets up in the inboard of third non-woven fabrics, the activated carbon layer sets up in the inboard of fifth acupuncture static cotton, static melt-blown fabric sets up in the inboard on activated carbon layer, the fourth non-woven fabrics sets up in the inboard of static melt-blown fabric.

6. The high efficiency filtering industrial face shield of claim 1, wherein: the mask body comprises a mask support and a mask body, the mask body is arranged outside the mask support, the mask support is provided with an air inlet, the air inlet is provided with an air inlet check valve, and the air inlet inner cover is connected with the air inlet of the mask support.

7. The high efficiency filtering industrial face shield of claim 6, wherein: the mask support is provided with two air inlets, one air inlet is arranged on the left side of the mask support, and the other air inlet is arranged on the right side of the mask support; the two air inlet devices are arranged, the air inlet inner cover of one air inlet device is connected with the air inlet on the left side of the mask support, and the air inlet inner cover of the other air inlet device is connected with the air inlet on the right side of the mask support.

8. The high efficiency filtering industrial face shield of claim 6, wherein: the front end of the middle part of the mask support is provided with an air outlet, and the air outlet is provided with an air outlet check valve.

9. The high efficiency filtering industrial face shield of claim 8, wherein: the inner side of the middle part of the mask support is provided with a guide plate, the guide plate corresponds to the position of the air outlet, the upper end of the guide plate is provided with a hole, when a person wears the industrial protective mask, the upper end of the guide plate is positioned at the front lower part of the nostril of the person, and an air outlet guide channel is arranged between the upper end of the guide plate and the air outlet check valve of the air outlet.

10. The high efficiency filtering industrial face shield of claim 8, wherein: the front side of the mask main body is also connected with a front mask body, the middle part of the front mask body is provided with an air outlet hole, and the air outlet hole is communicated with an air outlet of the mask bracket; the two sides of the front cover body are respectively provided with a connecting buckle which is used for connecting an elastic band worn on the head of a human body.