CN213487036U - Removable protective facial mask of filter core - Google Patents

Abstract

The utility model relates to a removable protective facial mask of filter core, including the gauze mask body, gauze mask body both ends symmetry is provided with the ear area, and gauze mask body middle part is provided with breathes the layer, and gauze mask body surface covering breathes the layer and is provided with filter tip device, and the gauze mask body internal surface protrusion that filter tip device corresponds is provided with the breathing cavity that the hoop is sealed. The utility model is only provided with the replaceable mask filter element in the middle of the mask body, and the mask filter element is formed by combining and processing one or more layers of an activated carbon fiber layer, a cotton bamboo fiber layer, a polymeric fiber layer, a needle punched cotton layer, a melt-blown cloth layer and a non-woven cloth layer, can be replaced according to different occasions, and has wide application range; the convex breathing cavity is arranged on the inner surface of the mask body, the breathing cavity can be attached to the face tightly, and the situation that local air leakage and poor filtering effect are caused due to insufficient sealing performance of a traditional mask is avoided.

Description

Removable protective facial mask of filter core

Technical Field

The utility model relates to a removable protective facial mask of filter core belongs to medical equipment technical field.

Background

The mask is used as a protective article in daily life and is applied to many occasions. The timely gauze mask of wearing can make people reduce the suction of substances such as some harmful gas and granule, for example poplar wadding, catkin and dust in the air etc. especially when meetting some haze and sand and dust weather, the gauze mask can both play certain guard action. However, for people with unfixed activity places, the mask not only needs to deal with severe environment and weather, but also can contact with places where viruses and bacteria are mixed and crossed, and a common protective mask cannot effectively protect viruses, bacteria and the like, so that the mask which has good protective performance, is suitable for various occasions and is economical and applicable is needed.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a removable protective facial mask of filter core, its concrete technical scheme as follows:

removable protective facial mask of filter core, including the gauze mask body, gauze mask body both ends symmetry is provided with the ear area, and gauze mask body middle part is provided with breathes the layer, gauze mask body surface cover breathes the layer and is provided with filter tip device, the gauze mask body internal surface protrusion that filter tip device corresponds is provided with the breathing cavity of hoop seal.

Further, the filter device includes the fixed frame of filter tip and filter tip capping, be provided with a plurality of gauze mask filter cores in the filter tip capping, the fixed frame of filter tip around breathing layer all around with gauze mask body integrated into one piece.

Furthermore, the filter fixing frame is a rectangular frame structure with one open end, one side of the filter fixing frame facing the breathing layer is provided with a first square groove along the edge of the inner side of the frame,

the filter tip capping is the rectangle platelike structure that the fixed frame of size of a dimension and filter tip corresponds, and the filter tip capping is kept away from adjacent trilateral and the fixed frame of filter tip of gauze mask body side surface and has been seted up the second square groove, and the filter core recess has been seted up towards gauze mask body one side to the filter tip capping, filter core recess bottom is run through the filtration pore of seting up closely arranging, and the fixed frame of filter tip and filter tip capping are through first square groove and second square groove cooperation sliding connection.

Furthermore, the mask filter element is formed by combining and processing one or more layers of an activated carbon fiber layer, a cotton fiber layer, a polymeric fiber layer, a needle punched cotton layer, a melt-blown fabric layer and a non-woven fabric layer.

Furthermore, the breathing layer is provided with an outer surface layer and an inner surface layer, the outer surface layer is an activated carbon fiber layer, and the inner surface layer is a filter cotton layer.

Furthermore, the breathing cavity is symmetrically provided with vent holes at two sides.

The utility model discloses a theory of operation:

the protective mask with the replaceable filter element is characterized in that elastic ear bands are symmetrically sewn at two ends of a mask body, a breathing layer is sewn in the middle of the mask body and consists of an activated carbon fiber layer and a filter cotton layer, and a preliminary mask filtering system is formed; the outer surface of the mask body is covered with a breathing layer and is integrally provided with a filter fixing frame, a filter slot cover is slidably connected in the filter fixing frame, a sealed filtering system is formed after the filter slot cover and the filter fixing frame are closed, and a filter element groove for containing a mask filter element is also formed in the filter slot cover; the inner surface of the mask body is provided with a breathing cavity which is formed by surrounding, sealing and connecting sealing sponge in a sealing way corresponding to the filter tip device; the breathing cavity is also provided with vent holes at two sides, so that the mask body is prevented from being integrally attached to the face to cause discomfort; the air gets into by the filter tip device, gets into the breathing cavity through the multiple layer filtering on gauze mask filter core and breathing layer, ensures that the gas in the breathing cavity is the gas after purifying and filtering.

The utility model has the advantages that:

1. the utility model is only provided with the replaceable mask filter element in the middle of the mask body, and the mask filter element is formed by combining and processing one or more layers of an activated carbon fiber layer, a cotton bamboo fiber layer, a polymeric fiber layer, a needling cotton layer, a melt-blown cloth layer and a non-woven cloth layer, can be replaced according to different occasions, can be used as a common mask or a medical mask, and has wide application range;

2. the filtering material is used only in the local areas of the mask body and the mask filter element, so that resources are reasonably allocated, the waste of unnecessary raw materials is reduced, and the mask manufacturing cost is saved;

3. the utility model arranges a convex breathing cavity on the inner surface of the mask body, when wearing, the breathing cavity can be tightly attached to the face, thereby avoiding the conditions of local air leakage and poor filtering effect caused by insufficient sealing performance of the traditional mask;

4. the mask body is provided with the air vent, can make the facial normal ventilation outside the breathing cavity, improves the comfort level.

Drawings

Figure 1 is a front view of the present invention,

figure 2 is a rear view of the present invention,

figure 3 is a close-up perspective view of the filter device of the present invention,

figure 4 is a schematic view of the filter tip device of the present invention in an open perspective,

figure 5 is a perspective schematic view of the filter fixing frame of the utility model,

figure 6 is a perspective schematic view of the filter slot cover of the present invention,

in the figure: 1-mask body, 2-filter device, 3-vent hole, 4-sealed edge, 5-ear belt, 6-sealed sponge, 7-breathing chamber, 8-breathing layer, 210-filter fixing frame, 220-filter groove cover, 211-first square groove, 221-second square groove, 222-filter element groove, 223-filter hole.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 and 2, the protective mask with replaceable filter element of the present invention comprises a mask body 1, wherein two ends of the mask body 1 are symmetrically provided with ear bands 5, and the ear bands 5 are elastic ear bands 5, so that the wearing distance can be properly adjusted; the breathing layer 8 is arranged in the middle of the mask body 1, the breathing layer 8 is provided with an outer surface layer and an inner surface layer, the outer surface layer is an activated carbon fiber layer, and the inner surface layer is a filter cotton layer; the external surface of the mask body 1 is covered with a breathing layer 8 and is provided with a filter device 2, the filter device 2 comprises a filter fixing frame 210 and a filter groove cover 220, a plurality of mask filter elements are arranged in the filter groove cover 220, and the mask filter elements are formed by combining and processing one or more layers of an activated carbon fiber layer, a cotton fiber layer, a polymeric fiber layer, a needle punched cotton layer, a melt-blown fabric layer, a non-woven fabric layer and the like; the filter fixing frame 210 is integrally formed with the mask body 1 around the breathing layer 8; the filter fixing frame 210 is a rectangular frame structure with an opening at one end, one surface of the filter fixing frame 210 facing the breathing layer 8 is provided with a first square groove 211 along the edge of the inner side of the frame, the filter slot cover 220 is a rectangular plate-shaped structure with the size corresponding to that of the filter fixing frame 210, the adjacent three edges of the surface of one side, away from the mask body 1, of the filter slot cover 220 are provided with second square grooves 221 corresponding to the filter fixing frame 210, the filter slot cover 220 is provided with a filter element groove 222 facing one side of the mask body 1, the bottom of the filter element groove 222 is provided with closely-arranged filter holes 223 in a penetrating manner, and the filter fixing frame 210 and the filter slot cover 220 are in matched sliding connection through the; the 1 internal surface protrusion of gauze mask body that filter tip device 2 corresponds sets up by sealed sponge hoop sealed breathing cavity 7, is provided with the support aluminium strip in the sealed sponge 6, breathes cavity 7 and is "protruding" font, breathes 7 bilateral symmetry in cavity and is provided with air vent 3, and the banding 4 has been made along sewing up to gauze mask body 1 outer edge.

The first embodiment is as follows:

in some sand and dust, haze weather, be the great pollution particle of diameter in the air, when harmful substance such as no virus and bacterium exists, the user can excise filter tip capping and gauze mask filter core on the gauze mask when wearing the gauze mask, can realize the filtration to the condition now through breathing the inside and outside activated carbon fiber layer of layer and filter pulp layer of layer, and under the condition that the breathing cavity will be mouthful nose and external isolation, guaranteed that the air that the user breathed is the gas after the filtration of breathing layer of gauze mask. Can reach dustproof effect excision filter tip capping and the gauze mask filter core of preventing the haze at the gauze mask and can also guarantee the respiratory comfort level of user, can not appear breathing the hard condition.

Example two:

in some specific occasions, such as hospital places, sides of infectious patients or areas with high epidemic diseases, where a large amount of viruses and bacteria exist, a user needs to add a filter groove cover and a mask filter element when wearing the mask, and different combinations of mask filter elements can be selected according to actual conditions to ensure the filtering strength of the mask. When the gauze mask filter core loses the use prescription, can come to change the gauze mask filter core through filter tip device's detachable characteristics to suitably disinfect filter tip device, even in the occasion that bacterium and virus are many, also can realize safe filtration, freely breathe, avoid the danger of infecting.

The utility model only arranges the replaceable mask filter element in the middle of the mask body, and the mask filter element is formed by combining and processing one or more layers of an activated carbon fiber layer, a cotton bamboo fiber layer, a polymeric fiber layer, a needle punched cotton layer, a melt-blown fabric layer and a non-woven fabric layer, can be replaced according to different occasions, and has wide application range; the filtering material is used only in the local areas of the mask body and the mask filter element, so that resources are reasonably allocated, the waste of unnecessary raw materials is reduced, and the mask manufacturing cost is saved; the convex breathing cavity is arranged on the inner surface of the mask body, so that the breathing cavity can be tightly attached to the face when the mask is worn, and the situations of local air leakage and poor filtering effect caused by insufficient sealing performance of the traditional mask are avoided; the filter tip groove cover and the mask filter element can be removed in the environment without virus and bacteria transmission, and the mask can be used as a common protective mask; the breathing chamber is tightly attached to the face and is completely sealed, so that fog cannot leak out, and the mirror surface of a person wearing the glasses is prevented from being fogged; the mask body is provided with the air vent, can make the facial normal ventilation outside the breathing cavity, improves the comfort level.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. The utility model provides a removable protective facial mask of filter core which characterized in that: including gauze mask body (1), gauze mask body (1) both ends symmetry is provided with ear area (5), and gauze mask body (1) middle part is provided with exhales layer (8), gauze mask body (1) surface cover exhales layer (8) and is provided with filter tip device (2), gauze mask body (1) internal surface protrusion that filter tip device (2) correspond is provided with hoop sealed breathing cavity (7).

2. The removable protective mask of filter element according to claim 1, wherein: filter tip device (2) include fixed frame of filter (210) and filter capping (220), be provided with a plurality of gauze mask filter cores in filter capping (220), fixed frame of filter (210) all around breathing layer (8) with gauze mask body (1) integrated into one piece.

3. The removable protective facial mask of filter core of claim 2, wherein: the filter fixing frame (210) is of a rectangular frame structure with one open end, a first square groove (211) is arranged on one surface of the filter fixing frame (210) facing the breathing layer (8) along the edge of the inner side of the frame,

filter capping (220) are the rectangle platelike structure that the fixed frame of size of a dimension and filter (210) correspond, and filter capping (220) are kept away from mask body (1) a side surface adjacent trilateral and the fixed frame of filter (210) and are corresponded and seted up second square groove (221), and filter groove capping (220) have been seted up filter core recess (222) towards mask body (1) one side, filter core recess (222) bottom is run through and is seted up gas filtration hole (223) of closely arranging, and fixed frame of filter (210) and filter groove capping (220) are through first square groove (211) and second square groove (221) cooperation sliding connection.

4. The removable protective facial mask of filter core of claim 2, wherein: the mask filter element is formed by combining and processing one or more layers of an activated carbon fiber layer, a cotton bamboo fiber layer, a polymeric fiber layer, a needle punched cotton layer, a melt-blown fabric layer and a non-woven fabric layer.

5. The removable protective mask of filter element according to claim 1, wherein: the breathing layer (8) is provided with an outer surface layer and an inner surface layer, the outer surface layer is an activated carbon fiber layer, and the inner surface layer is a filter cotton layer.

6. The removable protective mask of filter element according to claim 1, wherein: the breathing chamber (7) is symmetrically provided with vent holes (3) at two sides.

Images