阅读说明：本技术 滤嘴拆卸式防护口罩 (Filter tip detachable protective mask ) 是由 潘安 戴丹 李褚 于 2020-05-22 设计创作，主要内容包括：本发明涉及滤嘴拆卸式防护口罩,包括口罩本体,口罩本体两端对称设置有耳带,口罩本体中部设置有呼吸层,口罩本体外表面覆盖呼吸层设置有滤嘴装置,滤嘴装置对应的口罩本体内表面凸出设置有环向密封的呼吸腔室,滤嘴装置包括滤嘴固定框和滤嘴槽盖,滤嘴槽盖内设置有若干口罩滤芯,滤嘴固定框围绕呼吸层四周与口罩本体一体成型。本发明仅在口罩本体中部设置可更换的口罩滤芯,且口罩滤芯为活性炭纤维层、绵竹纤维层、聚合纤维层、针刺棉层、熔喷布层和无纺布层中的一层或多层组合加工而成,能够根据不同场合更换,适用范围广；口罩本体内表面设置凸出的呼吸腔室,呼吸腔室能够紧贴面部,避免传统口罩密封性不足导致局部漏气、过滤效果差的情况。(The invention relates to a filter-detachable protective mask, which comprises a mask body, wherein ear bands are symmetrically arranged at two ends of the mask body, a breathing layer is arranged in the middle of the mask body, a filter device is arranged on the outer surface of the mask body in a manner of covering the breathing layer, a circumferential sealed breathing cavity is convexly arranged on the inner surface of the mask body corresponding to the filter device, the filter device comprises a filter fixing frame and a filter slot cover, a plurality of mask filter elements are arranged in the filter slot cover, and the filter fixing frame is integrally formed with the mask body around the breathing layer. According to the mask, the replaceable mask filter element is arranged in the middle of the mask body, and is formed by combining and processing one or more of an activated carbon fiber layer, a cotton bamboo fiber layer, a polymeric fiber layer, a needled cotton layer, a melt-blown fabric layer and a non-woven fabric layer, so that the mask can be replaced according to different occasions, and the application range is wide; 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.)

1. Formula protective facial mask is dismantled to filter tip, its characterized in that: comprises a mask body (1), wherein ear belts (5) are symmetrically arranged at two ends of the mask body (1), a breathing layer (8) is arranged at the middle part of the mask body (1), a filter tip device (2) is arranged on the outer surface of the mask body (1) in a covering mode and covers the breathing layer (8), a circumferential sealed breathing cavity (7) is arranged on the inner surface of the mask body (1) corresponding to the filter tip device (2) in a protruding mode,

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.

2. The filter-removable protective mask according to claim 1, 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.

3. The filter-removable protective mask according to claim 1, 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.

4. The filter-removable protective mask according to claim 1, wherein: the breathing chamber (7) is formed in a convex shape by sealing sponge (6) in circumferential sealing connection on the inner surface of the mask body (1).

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

7. The filter-removable protective mask according to claim 1, wherein: the area of the filter element groove (222) is not smaller than the area of the corresponding breathing layer (8).

8. The filter-removable protective mask according to claim 1, wherein: the filter element of the mask is arranged in the filter element groove (222) of the filter groove cover (220) in a filling way.

9. The filter-removable protective mask according to claim 1, wherein: the edge of the mask body (1) is provided with a sealed edge (4).

Technical Field

The invention relates to a filter tip detachable protective mask, and belongs to the technical field of medical equipment.

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 invention provides a filter tip detachable protective mask, which has the following specific technical scheme:

the filter-detachable protective mask comprises a mask body, wherein ear belts are symmetrically arranged at two ends of the mask body, a breathing layer is arranged in the middle of the mask body, a filter device is arranged on the outer surface of the mask body and covers the breathing layer, a circumferential sealed breathing cavity is convexly arranged on the inner surface of the mask body corresponding to the filter device,

the filter device includes 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 breathe the 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 cavity is formed in a convex shape by sealing sponge in circumferential sealing connection on the inner surface of the mask body.

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.

Furthermore, the area of the groove of the filter element is not less than the area of the corresponding breathing layer.

Furthermore, the mask filter element is arranged in the filter element groove of the filter groove cover in a filling manner.

Furthermore, the edge of the mask body is provided with a sealed edge.

The working principle of the invention is as follows:

the filter tip detachable protective mask comprises a mask body, wherein elastic ear bands are symmetrically sewn at two ends of the mask body, a breathing layer is sewn in the middle of the mask body, and the breathing layer consists of an activated carbon fiber layer and a filter cotton layer to form a primary mask filtering system; 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 invention has the beneficial effects that:

1. according to the mask, the replaceable mask filter element is arranged in the middle of the mask body, and is formed by combining and processing one or more of an activated carbon fiber layer, a cotton bamboo fiber layer, a polymeric fiber layer, a needled cotton layer, a melt-blown fabric layer and a non-woven fabric layer, so that the mask can be replaced according to different occasions, and the application range is wide;

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. according to the mask, 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;

4. 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;

5. 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;

6. 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 schematic closed perspective view of the filter device of the present invention,

figure 4 is a schematic open perspective view of the filter assembly of the present invention,

figure 5 is a schematic perspective view of the filter fixing frame according to the invention,

figure 6 is a schematic perspective view of a 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 views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1 and 2, the filter-detached protective mask of the present invention comprises a mask body 1, wherein ear bands 5 are symmetrically disposed at two ends of the mask body 1, 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.