CN110917517A

CN110917517A - Multifunctional filtering type full-face gas mask

Info

Publication number: CN110917517A
Application number: CN201811120212.8A
Authority: CN
Inventors: 蔡荣; 朱立辉
Original assignee: Changsha Ring Science & Technology Co Ltd
Current assignee: Changsha Ring Science & Technology Co Ltd
Priority date: 2018-09-19
Filing date: 2018-09-19
Publication date: 2020-03-27

Abstract

The invention discloses a multifunctional filtering type full-face gas mask, which comprises a mask main body and is characterized in that: the mask also comprises a filter layer component which is arranged at the front end of the mask main body and is arranged at the position of the mouth; the mask body is also provided with an eye mask part, and large open window glasses are embedded in the eye mask part; the filter layer assembly comprises a plurality of layers of filter layer placing grooves and filter layers embedded in each layer of the placing grooves; the front end of the mask main body is provided with a filter box; the front end of the mask main body protrudes forwards to form a breathing passage, and the filter layer placing grooves are distributed from the front end surface of the mask main body to the front of the mask main body and form a layered structure; and the section size of the filter layer placing groove arranged at the front end is not larger than that of the filter layer placing groove arranged at the rear end. The invention has the advantages that the multiple layers of filter layer placing grooves are sequentially overlapped by compositely installing the filter layer components, the number and the types of the filter layers embedded in the filter layer placing grooves are automatically selected according to the environment, the operation is simple, and the use is convenient.

Description

Multifunctional filtering type full-face gas mask

Technical Field

The invention relates to the technical field of fireproof and disaster-proof effects, in particular to a multifunctional filter type full-face gas mask.

Background

When a fire disaster comes, no sign is given, the fire disaster is sudden, the fire disaster does not divide the place, dense smoke rolls when the fire disaster comes, the fire disaster contains a great amount of carbon monoxide (CO), the smoke is sucked more, the human body is injured, and even the fire disaster has life danger. In a laboratory, the medicines are various in types and complex in property, and most of the medicines have certain toxicity. Workers in laboratories face the medicines, chemical reagents and the like every day, some toxic and harmful dangerous gases can be emitted during experiments, and meanwhile, individual gases are harmful to human bodies through respiration, for example, cyanide with high toxicity can cause life danger even if a small amount of cyanide is inhaled; in addition, besides toxic and harmful gases, tiny particles which are not beneficial to human health, such as dust, smog and the like, need to be treated and isolated. At present, the gas mask on the market has single function, so that the development of a multifunctional filtering type full-risk gas mask is necessary.

Disclosure of Invention

The invention aims to provide a multifunctional filtering type full-face gas mask with good protection effect and good comfort.

In order to achieve the above purpose, the invention provides the following technical scheme:

a multifunctional filtering full-face gas mask comprises a mask body and is characterized in that: the mask further comprises a filtering layer component arranged at the front end of the mask main body and arranged at the mouth of a user; the mask body is also provided with an eyeshade part, and large open window glasses are embedded in the eyeshade part; the filter layer assembly comprises a plurality of layers of filter layer placing grooves and filter layers embedded in each layer of filter layer placing groove; a wearing groove matched with the human face curve is formed in one side of the mask main body; the filter box is detachably arranged at the front end of the mask main body and is arranged at the position of the mouth; the front end of the mask main body is provided with a filter box; the front end of the mask main body protrudes forwards to form a breathing passage, a filter box is embedded in the breathing passage, a plurality of mounting grooves are formed in the breathing passage, and the filter box with one specification is correspondingly mounted and fixed in the mounting grooves; the filtering layer placing grooves are distributed from the front end surface of the mask main body to the front of the mask main body and are of a layered structure; the section size of the filter layer placing groove arranged at the front end is not larger than that of the filter layer placing groove arranged at the rear end; the filtering layer is an activated carbon layer.

Further, the mask body is buckled on the face of a user through the groove part; the filter layer placing groove comprises a groove body with an open upper end, and a connecting arm is formed in a mode that the open end of the rear end of the groove body extends backwards; connecting slots are formed in the mask main body and the two sides of the front end of the groove body of the filter layer placing groove; the groove bodies, the mask main body and the adjacent two groove bodies are fixedly installed through the connecting arms and the connecting slots; the filtering layer is embedded in the tank body.

Further, the groove body is of a circular groove body structure with a cavity, and a sealing cover is installed on the upper end face of the groove body.

Further, the filtering layer assembly is of a multilayer structure and comprises a first filtering layer placing groove and a second filtering layer placing groove, wherein the first filtering layer placing groove is installed close to the mask main body, and the second filtering layer placing groove is arranged at the front end of the first filtering layer placing groove; the tank body of the first filtering layer placing tank is a first tank body, and the tank body of the second filtering layer placing tank is a second tank body; the cross section of the second groove body is smaller than that of the first groove body, and the second groove body is fixedly arranged at the center of the first groove body; the mask main body is provided with a first vent hole with a latticed structure of through holes at the center position covered by the first groove body, the front end of the first groove body is provided with a second vent hole with a latticed structure of through holes at the position covered by the second groove body, and the front end surface of the second groove body is provided with a third vent hole with a latticed structure of through holes; the aperture of the first vent hole is larger than the size of the second vent hole, and the size of the second vent hole is larger than the size of the third vent hole; the seal cover installed on the first groove body is a first seal cover, and the seal cover installed on the second groove body is a second seal cover.

Further, the number of the second filter layer placing grooves is two, and the two second filter layer placing grooves are arranged at the front end of the first filter layer placing groove side by side; and the two second filtering layer placing grooves are of an integrated structure.

Further, the front end of the second filtering layer placing groove is provided with a plurality of gauze placing grooves along the transverse direction of the second filtering layer placing groove, and gauze is embedded in the gauze placing grooves.

Further, a wearing fixing band is arranged on the rear side of the mask main body.

The filter layer assembly has the advantages that the multiple filter layer placing grooves are sequentially overlapped through the filter layer assembly which is installed in a composite mode, the number and the types of the filter layers embedded in the filter layer placing grooves are automatically selected according to the application environment, and the filter layer assembly is simple to operate and convenient and fast to use.

Drawings

FIG. 1 is a schematic front view of a multi-function filtering full-face respirator;

figure 2 is a side schematic view of a multi-function filtering full-face respirator.

In the figure, 1, a mask main body, 2, an eye shield part, 3, large open window glasses, 4, a filter box, 4-1, a first filter layer placing groove, 5, a filter layer, 5-1, a second filter layer placing groove, 6, a first sealing cover, 7, a second sealing cover, 8, a gauze placing groove, 9, a silica gel pad, 10, a first vent hole, 11, a second vent hole, 12 and a third vent hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, the multifunctional filtering full-face respirator of the present invention comprises a mask body 1, and further comprises a filtering layer assembly, wherein the filtering layer assembly is arranged at the front end of the mask body 1 and is placed at the mouth position of a user; the mask body 1 is also provided with an eye mask part 2, and large open window glasses 3 are embedded in the eye mask part 2; a wearing groove matched with the human face curve is formed in one side of the mask main body; the filter box 4 is detachably arranged at the front end of the mask main body and is arranged at the position of the mouth; the front end of the mask main body 1 is provided with a filter box 4; the front end of the mask main body protrudes forwards to form a breathing passage, a filter box 4 is embedded in the breathing passage, a plurality of mounting grooves are formed in the breathing passage, and the filter box with one specification is correspondingly mounted and fixed in the mounting grooves; the filtering layer placing grooves are distributed from the front end surface of the mask main body to the front of the mask main body and are of a layered structure; the filtering layer component comprises a plurality of layers of filtering layer placing grooves and filtering layers 5 embedded in each layer of filtering layer placing groove; the multilayer filter layer placing grooves are distributed from the front end surface of the mask main body 1 to the front of the mask main body 1 and are of a layered structure; the section size of the filter layer placing groove arranged at the front end is not larger than that of the filter layer placing groove arranged at the rear end; wherein, the filtering layer 5 is an activated carbon layer.

Specifically, a full face respirator of multi-functional filtration formula, the filter layer subassembly has been designed to the front end of its face guard main part, wherein, this filter layer subassembly is multilayer structure, can select the filter layer of activated carbon layer or other needs in the filter layer subassembly, in addition, in order to place the convenience of filter layer, and the pleasing to the eye degree of whole outward appearance, filter layer standing groove size in the filter layer subassembly is close to the front end more and is more littleer, be degressive trend, can not shelter from the operation of putting into of the filter layer standing groove that is located the rear side when placing filter layer 5 like this. The tank body, the mask main body 1 and two adjacent mask main bodies 1 are fixedly arranged through connecting arms and connecting slots; the tank body is embedded with a filtering layer 5. For the tightness of the whole and the wearing comfort, a layer of silicone pad 9 is laid on the inner ring of the mask body 1, and meanwhile, the breathing is smooth and the visual field is not blocked.

The filtering layer 5 is taken as a breathing passage, and the filtering layer and the mask main body 1 and even the whole passage need to have strict sealing performance, so that in order to meet the sealing requirement, the rear side of the groove body is also of an open structure, when the filtering layer is embedded, the thickness of the filtering layer 5 needs to be slightly larger than the structure of the groove body, and thus, through interference fit, redundant space in the groove body can be filled, and air only passes through the filtering layer 5. And for the convenience of maintenance, the connection form of joint has been adopted to the cell body in this embodiment, lets it can install or dismantle in face guard main part 1, makes things convenient for the remaining granule of piling up because of using for a long time in later stage washing face guard main part 1 and the cell body.

More preferably, the tank body in the above scheme is of a circular tank body structure with a cavity, and the upper end face of the tank body is provided with a sealing cover. After the filter layer 5 is installed, a sealing cover is designed on the upper portion of the groove body for the purpose of structural stability and sealing performance and avoiding gas from entering the device from the upper portion of the groove body, and the sealing cover can be installed in a clamping mode, can be in a sliding groove mode, and can also be in a snap lock mode and the like. Specifically, as a preferred technical solution of this embodiment: the filtering layer assembly is of a double-layer structure and comprises a first filtering layer placing groove 4-1 and a second filtering layer placing groove 5-1, wherein the first filtering layer placing groove is arranged close to the mask main body 1, and the second filtering layer placing groove is arranged at the front end of the first filtering layer placing groove 4-1; the tank body of the first filtering layer placing tank 4-1 is a first tank body, and the tank body of the second filtering layer placing tank 5-1 is a second tank body; the section size of the second groove body is smaller than that of the first groove body, and the second groove body is installed and fixed at the center of the first groove body; the mask main body 1 is provided with a first vent hole 10 with a latticed structure of through holes at a position covered by a first groove body, the front end of the first groove body is provided with a second vent hole 11 with a latticed structure of through holes at a position covered by a second groove body, and the front end surface of the second groove body is provided with a third vent hole 12 with a latticed structure of through holes;

in the scheme, the aperture of the first vent hole 10 is larger than the size of the second vent hole 11, and the size of the second vent hole 11 is larger than the size of the third vent hole 12; the sealing cover arranged on the first groove body is a first sealing cover 6, and the sealing cover arranged on the second groove body is a second sealing cover 7. The above-described embodiment is directed to a filter bed placement tank that is more aesthetically pleasing for the overall effect and does not interfere with the placement of the filter bed in the filter bed placement tank on the rear side.

The size of this embodiment second cell body needs to be less than the size of first cell body, and is good for the filter effect, avoids large granule suspended substance to get into the filtering layer to and there is sufficient circulation of air breathing department, and the size of from interior to exterior air vent reduces in proper order in this embodiment.

Preferably, in the embodiment, the number of the second filter layer placing grooves 5-1 is two, and the two second filter layer placing grooves 5-1 are arranged at the front end of the first filter layer placing groove 4-1 side by side; and the two second filtering layer placing grooves 5-1 are of an integrated structure. In addition, a plurality of gauze placing grooves 8 are transversely arranged at the front end of the second filtering layer placing groove 5-1 along the second filtering layer placing groove 5-1, and gauze is embedded in each gauze placing groove 8. The gauze may adsorb a part of the suspended matter, and the two second filter layer-placing grooves 5-1 are provided to be able to selectively place a desired filter layer.

Meanwhile, in order to achieve better filtering effect, a layer of gauze is compounded in each filtering layer. In the technical scheme, the multifunctional filtering type full-face respirator provided by the invention has the advantages that the multiple layers of filtering layer placing grooves are sequentially overlapped through the filtering layer components which are installed in a composite mode, the number and the types of the filtering layers embedded in the filtering layer placing grooves are automatically selected according to the use environment, the operation is simple, and the practicability is high.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined and disclosed herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional filtering full-face respirator that comprises a mask body (1), characterized in that: the mask is characterized by further comprising a filtering layer assembly, wherein the filtering layer assembly is arranged at the front end of the mask main body (1) and is placed at the mouth position of a user; the mask body (1) is also provided with an eye mask part (2), and large open-window glasses (3) are embedded in the eye mask part (2); the filter layer assembly comprises a plurality of layers of filter layer placing grooves and filter layers (5) embedded in each layer of filter layer placing groove; a wearing groove matched with the curve of the face of a person is formed in one side of the mask main body (1); the filter box (4) is detachably arranged at the front end of the mask main body (1) and is arranged at the position of the mouth; the front end of the mask main body (1) is provided with a filter box (4); the front end of the mask main body (1) protrudes forwards to form a breathing passage, a filter box (4) is embedded in the breathing passage, a plurality of mounting grooves are formed in the breathing passage, and the filter box (4) with one specification is correspondingly mounted and fixed in the mounting grooves; the filter layer placing grooves are distributed from the front end surface of the mask main body (1) to the front of the mask main body (1) and are of a layered structure; the cross section size of the filter layer placing groove arranged at the front end is not larger than that of the filter layer placing groove arranged at the rear end; the filtering layer (5) is an activated carbon layer.

2. A multi-functional filtering full-face respirator according to claim 1, wherein the mask body (1) is snapped to the face of the user by means of recessed portions; the filter layer placing groove comprises a groove body with an open upper end, and a connecting arm is formed in a mode that the open end of the rear end of the groove body extends backwards; connecting slots are formed in the mask main body (1) and the two sides of the front end of the groove body of the filtering layer placing groove; the groove bodies, the mask main body (1) and the adjacent two groove bodies are fixedly installed through the connecting arms and the connecting slots; the filtering layer (5) is embedded in the groove body.

3. The multifunctional filtering full-face respirator of claim 2, wherein the tank is a circular tank structure with a cavity, and a sealing cover is mounted on the upper end face of the tank.

4. A multi-functional filtering full-face respirator according to claim 1, wherein the filter layer assembly is a multi-layered structure comprising a first filter layer placement slot (4-1) mounted adjacent to the mask body (1) and a second filter layer placement slot (5-1) disposed at the front end of the first filter layer placement slot (4-1); the tank body of the first filtering layer placing tank (4-1) is a first tank body, and the tank body of the second filtering layer placing tank (5-1) is a second tank body; the cross section of the second groove body is smaller than that of the first groove body, and the second groove body is fixedly arranged at the center of the first groove body; the mask main body (1) is provided with a first vent hole (10) with a latticed structure of through holes at the center position covered by the first groove body, the front end of the first groove body is provided with a second vent hole (11) with a latticed structure of through holes at the position covered by the second groove body, and the front end surface of the second groove body is provided with a third vent hole (12) with a latticed structure of through holes; the aperture of the first vent hole (10) is larger than the size of the second vent hole (11), and the size of the second vent hole (11) is larger than the size of the third vent hole (12); the sealing cover arranged on the first groove body is a first sealing cover (6), and the sealing cover arranged on the second groove body is a second sealing cover (7).

5. A multifunctional filtering full-face respirator according to claim 4, characterized in that there are two second filter layer-placement slots (5-1), the two second filter layer-placement slots (5-1) being arranged side by side at the front end of the first filter layer-placement slot (4-1); and the two second filtering layer placing grooves (5-1) are of an integrated structure.

6. The multifunctional filtering full-face respirator of claim 4, wherein the front end of the second filter-layer placement groove (5-1) is provided with a plurality of gauze placement grooves (8) along the transverse direction of the second filter-layer placement groove (5-1), and gauze is embedded in the gauze placement grooves (8).

7. A multi-functional filtering full-face respirator according to claim 1 wherein the rear side of the mask body (1) is provided with a wear strap.