CN213077274U

CN213077274U - Protective mask with replaceable filter element

Info

Publication number: CN213077274U
Application number: CN202021411963.8U
Authority: CN
Inventors: 所永安
Original assignee: Changchun New Development Plastic Industry Co ltd
Current assignee: Changchun New Development Plastic Industry Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-30
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a protective face mask of removable filter core, this protective face mask comprises exhaust valve lid, breathing front shroud, filter core, discharge valve (one-way), face guard main part, silica gel face guard, fixed glue nail and silica gel area equipment. The utility model has the advantages of simple and reasonable structure, small in size, light in weight is convenient for wear for a long time, removable filter core, and the protecting effect is good, and simple installation is swift, and multiple inlet port filters and breathes in smoothly, and the check valve exhaust hole resistance of breathing out is little.

Description

Protective mask with replaceable filter element

Technical Field

The utility model relates to a protective face mask, specific protective face mask of removable filter core that says so.

Background

Protective masks are devices used to protect the face and neck from droplet transmission and flying metal debris, noxious gases, liquid spray, metal and high temperature solvent spray. Mainly comprises a welding mask, an anti-haze mask, an anti-radiation mask, an anti-smoke gas mask, a heat insulation mask and the like.

The existing protective mask has some defects and shortcomings to a certain extent, which are specifically shown in the following steps: the volume is great, and the structure is complicated, wears inconveniently, and the protection dynamics is not enough, changes frequently, can't effectively disinfect and carry out used repeatedly etc..

Disclosure of Invention

The utility model aims at providing a simple structure is reasonable, small in size, light in weight is convenient for wear for a long time, removable filter core, and the protecting effect is good, and simple installation is swift, and multiple inlet port filters and breathes in smoothly, and check valve exhaust hole expiration resistance is little, convenient to use's the protective face mask of removable filter core.

The utility model aims at realizing the protection mask with replaceable filter element, which comprises an exhaust valve cover, a breathing front cover plate, a filter element, an exhaust valve (one-way), a mask main body, a silica gel mask, a fixed rubber nail and a silica gel belt, wherein the mask main body is buckled on the silica gel mask, three rubber nail mounting holes are arranged above and at two sides of the front surface of the mask main body, the front surface of the mask main body is provided with a filter element arranging groove with a triangular structure, a plurality of elongated holes are processed on the filter element arranging groove, the middle part of the filter element arranging groove on the mask main body is provided with an exhaust valve mounting groove, an exhaust hole is arranged in the exhaust valve mounting groove, three rubber nail mounting holes are arranged on the silica gel mask corresponding to the mask main body, the front surface of the silica gel mask is provided with a triangular open opening, the fixed rubber nail is inserted in the rubber nail mounting hole, and the exhaust valve (one-, the filter core is placed and is set up the inslot at the filter core, have a centre bore on the filter core, breathe front shroud spiral-lock and set up on the groove at the filter core of face guard main part, it has air vent, central point to have on the breathing front shroud to put and is provided with exhaust valve lid interface, the exhaust valve lid can connect in the exhaust valve lid interface of breathing front shroud, the silica gel area is pegged graft and is connected with the silica gel area in the spliced eye on the fixed rubber nail.

The utility model has the advantages of it is following and positive effect:

1. the size is small, the weight is light, and the long-time wearing is convenient.

2. Removable filter core, the protecting effect is good, and the simple installation is swift.

3. The multiple air inlet holes are smooth in filtration and air suction, and the exhaust hole of the one-way valve is small in exhalation resistance.

Drawings

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

Figure 2 is a rear view of figure 1 of the present invention.

Figure 3 is an exploded view of the components of figure 1 of the present invention.

Fig. 4 is a front structural view of the breathing front cover plate of the present invention.

Fig. 5 is a back structure view of the breathing front cover plate of the present invention.

Fig. 6 is a view showing the structure of the mask body according to the present invention.

Fig. 7 is an assembly view of the mask body and the silica gel mask of the present invention.

Fig. 8 is a structural view of the silica gel band of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention refers to the accompanying drawings.

Shown in figures 1, 2, 3, 4, 5, 6 and 7: the protective mask with the replaceable filter element comprises an exhaust valve cover 1, a breathing front cover plate 2, a filter element (such as an antibacterial layer, classical cotton, melt-blown cloth and the like) 3, an exhaust valve (one-way) 4, a mask main body 5, a silica gel mask 6, a fixing rubber nail 7 and a silica gel belt 8, wherein the mask main body 5 is buckled on the silica gel mask 6, three rubber nail mounting holes 9 are arranged on the upper front side and two sides of the mask main body 5, a filter element setting groove 10 with a triangular structure is arranged on the front side of the mask main body 5, a plurality of elongated holes 11 are processed on the filter element setting groove 10, an exhaust valve mounting groove 12 is arranged in the middle of the filter element setting groove 10 on the mask main body 5, an exhaust hole is arranged in the exhaust valve mounting groove 12, three rubber nail mounting holes 9 are correspondingly arranged on the silica gel mask 6 and the mask main body 5, a triangular opening 13 is, the utility model discloses a mask, including face guard main part 5, filter core, fixed rubber nail 7, discharge valve (one-way) 4, filter core 3, breather cover plate 2, breather cover plate 1, silica gel area 8, filter core setting groove 10, filter core 3 is provided with a centre bore 14, breather cover plate 2 spiral-lock is provided with air vent 15, central point on the face guard main part 5, breather cover plate 2 is last to have air vent 15, central point to set up and is provided with breather cover joint mouth 16, breather cover plate 1 can connect in breather cover joint mouth 16 of breathing front cover plate 2, silica gel area 8 is pegged graft and is connected with silica gel area 8 in the spliced eye on fixed rubber nail 7.

Assembly description:

1. the exhaust valve cover 1 is pressed into the corresponding hole position of the breathing front cover plate 2 by force according to the direction (with mistake proofing, if the exhaust valve cover can not be pressed, the up-down direction of the exhaust valve cover is required to be replaced).

2. The filter element 3 is placed in the breathing front cover plate 2 (note that the blue gridding cloth faces the front side of the breathing cover plate 2 in the face direction of the filter element 3).

3. The vent valve 4 is installed into the center hole of the mask body 5 (placed in the front of the mask body 5 and the vent valve tail is pulled slightly inside to ensure in-place installation).

4. A silicone mask 6 is placed into the mask body 5.

5. The fixed rubber nail 7 is penetrated into the hole of the shell of the mask through the inner side hole of the silica gel mask 6, and the tail part of the fixed rubber nail 7 is pulled to be installed in place.

6. The assembly shown in fig. 4 is pressed into the assembly shown in fig. 7 as shown in fig. 1.

7. And (3) penetrating two sides of the silica gel belt into the fixing rubber nail holes at the positions a and b shown in the figure 1, and properly adjusting the length of the silica gel belt according to personal conditions to complete the assembly of the whole part.

Claims

1. The utility model provides a protective face mask of removable filter core which characterized in that: the protective mask comprises an exhaust valve cover (1), a breathing front cover plate (2), a filter element (3), an exhaust valve (4), a mask main body (5), a silica gel mask (6), fixing glue nails (7) and silica gel belts (8), wherein the mask main body (5) is buckled on the silica gel mask (6), three glue nail mounting holes (9) are arranged on the upper front side and two sides of the mask main body (5), the mask main body (5) is provided with a filter element setting groove (10) with a triangular structure on the front side, a plurality of elongated holes (11) are processed on the filter element setting groove (10), the middle part of the filter element setting groove (10) on the mask main body (5) is provided with an exhaust valve mounting groove (12), an exhaust hole is arranged in the exhaust valve mounting groove (12), and three glue nail mounting holes (9) are arranged on the silica gel mask (6) corresponding to the mask main body (5), silica gel face guard (6) openly have a triangle-shaped and open mouth (13), fixed gluey nail (7) are pegged graft in gluey nail mounting hole (9), and discharge valve (4) set up in discharge valve mounting groove (12), place in filter core setting groove (10) filter core (3), have a centre bore (14) on filter core (3), breathe apron (2) spiral-lock on the filter core setting groove (10) of face guard main part (5), have air vent (15), central point on breathing apron (2) and be provided with exhaust valve lid joinable (16), exhaust valve lid (1) can connect in the exhaust valve lid joinable (16) of breathing apron (2), silica gel area (8) are pegged graft and are connected with silica gel area (8) in the spliced eye on fixed gluey nail (7).