Face fitting soft sheet of infant protective mask and infant protective mask

Abstract

The utility model discloses a face fitting soft sheet of an infant protective mask and the infant protective mask. An opening corresponding to the mouth and nose of a human body is formed in the face fitting soft sheet of the infant protection mask; the outline of the opening comprises a first arc line section, a second arc line section, a third arc line section, a fourth arc line section, a fifth arc line section, a sixth arc line section, a seventh arc line section, an eighth arc line section, a ninth arc line section, a tenth arc line section, an eleventh arc line section, a twelfth arc line section, a thirteenth arc line section, a fourteenth arc line section and a fifteenth arc line section which are sequentially connected end to end; the first arc line section, the third arc line section, the fourth arc line section, the fifth arc line section, the sixth arc line section, the seventh arc line section, the eighth arc line section, the ninth arc line section, the tenth arc line section, the eleventh arc line section, the twelfth arc line section, the thirteenth arc line section and the fourteenth arc line section are arc line sections protruding outwards towards the periphery of the opening; and the second arc section and the fifteenth arc section are arc sections which are concave towards the inner side of the opening.

Description

TECHNICAL FIELD

[0001] The utility model relates to a face fitting soft sheet of infant protective mask and infant protective mask especially, belong to health protection article technical field. BACKGROUND

[0002] If the mask wants to achieve the protection effect, first of all, the air tightness of the mask must be guaranteed, that is, the edge of the mask must be fitted to the shape of the face to prevent environmental gas from entering the mask through the gap between the mask and the face, and the face of the infant is smaller than that of the adult, so a child mask of customized size is needed for the infant to use, but the mask with a face sticking sheet currently has a high air leakage due to the structural design of the mask, and the gas leakage of the conventional mask with a face sticking sheet is generally 4.3%, which affects the protection effect. SUMMARY

[0003] The main purpose of the utility model is to provide a face fitting soft sheet of infant protective mask and infant protective mask, so as to overcome the shortcomings of the prior art.

[0004] To achieve the foregoing utility model purposes, the utility model adopts the technical scheme of:

[0005] The first aspect of the utility model embodiment provides a face fitting soft sheet of infant protective mask, the face fitting soft sheet is provided with an opening corresponding to the human oral and nasal parts, and the contour of the opening comprises first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth and fifteenth arc segments connected in sequence.

[0006] The first, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth and fourteenth arc segments are outwardly convex arc segments, and the second and fifteenth arc segments are inwardly concave arc segments.

[0007] Further, the contour of the opening is an axisymmetric figure, and the axis of symmetry of the contour of the opening is a line connecting the midpoint of the first arc segment and the eighth connecting intersection point of the eighth and ninth arc segments.

[0008] Further, the first arc segment has a radius of curvature of 20 mm, the second arc segment has a radius of curvature of 265.1 mm, the third arc segment has a radius of curvature of 335 mm, the fourth arc segment has a radius of curvature of 164.5 mm, the fifth arc segment has a radius of curvature of 184 mm, the sixth arc segment has a radius of curvature of 150 mm, the seventh arc segment has a radius of curvature of 260 mm, the eighth arc segment has a radius of curvature of 500 mm, the ninth arc segment has a radius of curvature of 500 mm, the tenth arc segment has a radius of curvature of 260 mm, the eleventh arc segment has a radius of curvature of 150 mm, the twelfth arc segment has a radius of curvature of 184 mm, the thirteenth arc segment has a radius of curvature of 164.5 mm, the fourteenth arc segment has a radius of curvature of 335 mm, and the fifteenth arc segment has a radius of curvature of 265.1 mm.

[0009] Further, the first connecting intersection point of the first arc segment and the second arc segment has a vertical distance h1 of 10 mm from the axis of symmetry, the second connecting intersection point of the second arc segment and the third arc segment has a vertical distance h2 of 150 mm from the axis of symmetry, the third connecting intersection point of the third arc segment and the fourth arc segment has a vertical distance h3 of 210 mm from the axis of symmetry, the fourth connecting intersection point of the fourth arc segment and the fifth arc segment has a vertical distance h4 of 280 mm from the axis of symmetry, the fifth connecting intersection point of the fifth arc segment and the sixth arc segment has a vertical distance h5 of 280 mm from the axis of symmetry, the sixth connecting intersection point of the sixth arc segment and the seventh arc segment has a vertical distance h6 of 226 mm from the axis of symmetry, the seventh connecting intersection point of the seventh arc segment and the eighth arc segment has a vertical distance h7 of 132 mm from the axis of symmetry, the ninth connecting intersection point of the ninth arc segment and the tenth arc segment has a vertical distance h8 of 132 mm from the axis of symmetry, the tenth connecting intersection point of the tenth arc segment and the eleventh arc segment has a vertical distance h9 of 226 mm from the axis of symmetry, the eleventh connecting intersection point of the eleventh arc segment and the twelfth arc segment has a vertical distance h10 of 280 mm from the axis of symmetry, the twelfth connecting intersection point of the twelfth arc segment and the thirteenth arc segment has a vertical distance h11 of 280 mm from the axis of symmetry, the thirteenth connecting intersection point of the thirteenth arc segment and the fourteenth arc segment has a vertical distance h12 of 210 mm from the axis of symmetry, the fourteenth connecting intersection point of the fourteenth arc segment and the fifteenth arc segment has a vertical distance h13 of 150 mm from the axis of symmetry, and the fifteenth connecting intersection point of the fifteenth arc segment and the first arc segment has a vertical distance h14 of 10 mm from the axis of symmetry.

[0010] Furthermore, the maximum width of the opening in the first direction is the maximum distance between the fifth arc segment and the twelfth arc segment, the maximum width of the opening in the first direction is 57.34 mm, and the first direction is perpendicular to the extension direction of the axis of symmetry.

[0011] Furthermore, the maximum length of the opening in the second direction is the length of the axis of symmetry, and the maximum length of the opening in the second direction is 62mm, wherein the second direction coincides with the extension direction of the axis of symmetry.

[0012] Furthermore, the first arc segment is a semi-circular arc segment.

[0013] Furthermore, the overall outline of the opening is onion-shaped or teardrop-shaped.

[0014] Furthermore, the facial adhesive film comprises a pasting layer, a filter layer, and a surface layer stacked sequentially, wherein the pasting layer and the surface layer are both non-woven fabrics, the filter layer comprises a polytetrafluoroethylene filter membrane, the thickness of the pasting layer is 0.1mm-2mm, the thickness of the filter layer is 1μm-500μm, and the thickness of the surface layer is 0.1mm-2.5mm.

[0015] A second aspect of this utility model provides a protective mask for young children, including a support frame and a mask body. The support frame is disposed on the side of the mask body facing the user's face. It also includes a face-fitting soft sheet, which is disposed on the side of the mask body facing the user's face. The outer periphery of the face-fitting soft sheet is fixedly attached to the mask body. The support frame is attached to the surface of the mask body facing the face-fitting soft sheet. A ventilation space is formed between the face-fitting soft sheet and the mask body to accommodate the mouth and nose and allow for air exchange. When the protective mask for young children is used, the face-fitting soft sheet adaptively fits the human face.

[0016] Compared with the prior art, the advantages of this utility model include:

[0017] Compared with the prior art, the advantages of this utility model include: the protective mask for toddlers provided by the embodiments of this utility model optimizes the contour of the opening of the face-fitting soft film of the protective mask for toddlers, thereby improving the fit between the face-fitting soft film and the child's face, and thus improving the tightness of the protective mask for toddlers when worn. After testing, the maximum gas leakage of the protective mask for toddlers is only 1.9%. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Fig. 1 This is a schematic diagram of the outline structure of the opening on the face-fitting soft film of a children's protective mask provided in a typical embodiment of this utility model;

[0020] Fig. 2 This is a schematic diagram of the outline structure of the opening on the face-fitting soft film of a children's protective mask provided in a typical embodiment of this utility model;

[0021] Fig. 3 This is a schematic diagram of the outline structure of the opening on the face-fitting soft film of a children's protective mask provided in a typical embodiment of this utility model. Detailed Implementation

[0022] In view of the shortcomings of the prior art, the inventor of this case, through long-term research and extensive practice, has proposed the technical solution of this utility model. The following will further explain and illustrate the technical solution, its implementation process and principle in conjunction with the accompanying drawings and specific implementation examples. Unless otherwise specified, the material, processing technology, bonding method and constituent parts of the mask body / facial patch in the embodiments of this utility model are all known in the art, and are not specifically limited or described here.

[0023] Furthermore, the facial adhesive film comprises a faceplate layer, a filter layer, and a surface layer stacked sequentially. The faceplate layer and the surface layer are both non-woven fabrics, the filter layer comprises a polytetrafluoroethylene filter membrane, the thickness of the faceplate layer is 0.1mm-2mm, the thickness of the filter layer is 1μm-500μm, and the thickness of the surface layer is 0.1mm-2.5mm.

[0024] In a more specific embodiment, a protective mask for young children includes a supporting frame, a mask body, and a face-fitting soft sheet. The supporting frame is disposed on the side of the mask body facing the user's face, and the face-fitting soft sheet is disposed on the same side of the mask body facing the user's face. The outer periphery of the face-fitting soft sheet is fixedly connected to the mask body. The supporting frame is attached to the surface of the mask body facing the face-fitting soft sheet. A ventilation space is formed between the face-fitting soft sheet and the mask body to accommodate the mouth and nose and for air exchange. When the protective mask for young children is used, the face-fitting soft sheet conforms adaptively to the user's face. It should be noted that the structure and materials of the mask body and the supporting frame can be structures known in the art, and are not the focus of this invention; therefore, no specific limitations are made.

[0025] Specifically, the face-fitting soft film has openings corresponding to the mouth and nose of the human body. The overall outline of the opening is onion-shaped or teardrop-shaped, and the outline of the opening is axially symmetrical, which can also be understood as a mirror-symmetrical structure. This utility model mainly improves the outline structure of the opening of the face-fitting soft film to better adapt it to the facial features of children, thereby improving the fit between the face-fitting soft film and the mask using the face-fitting soft film and the child's face. The outline structure of the opening of the face-fitting soft film will be mainly described below.

[0026] For details, please refer to Figs. 1-3 The outline of the opening includes the following arc segments connected end to end: first arc segment 101, second arc segment 102, third arc segment 103, fourth arc segment 104, fifth arc segment 105, sixth arc segment 106, seventh arc segment 107, eighth arc segment 108, ninth arc segment 109, tenth arc segment 110, eleventh arc segment 111, twelfth arc segment 112, thirteenth arc segment 113, fourteenth arc segment 114, and fifteenth arc segment 115; first arc segment 101, third arc segment 103, fourth arc segment 104, fifth arc segment 105, and sixth arc segment 106. 106, 107, 108, 109, 110, 111, 12, 113, and 114 are arc segments that convex outwards from the outer edge of the opening. 102 and 115 are arc segments that concave inwards from the inner edge of the opening. 101 is a semi-circular arc segment. The axis of symmetry of the opening's outline is the line P0P8 connecting the midpoint P0 of the first arc segment 101 and the eighth intersection point P8 of the eighth and ninth arc segments 108 and 109.

[0027] That is, the first arc segment 101 itself is mirror-symmetrical about the connecting line P0P8. The second arc segment 102 and the fifteenth arc segment 115, the third arc segment 103 and the fourteenth arc segment 114, the fourth arc segment 104 and the thirteenth arc segment 113, the fifth arc segment 105 and the twelfth arc segment 112, the sixth arc segment 106 and the eleventh arc segment 111, the seventh arc segment 107 and the tenth arc segment 110, and the eighth arc segment 108 and the ninth arc segment 109 are mirror-symmetrical about the connecting line P0P8 as the axis of symmetry. It can be understood that the curvature radius, arc length, and other characteristics of the second arc segment 102 and the fifteenth arc segment 115 are completely identical. Similarly, the third arc segment 103 and the fourteenth arc segment 114 have the same radius of curvature and arc length, the fourth arc segment 104 and the thirteenth arc segment 113 have the same radius of curvature and arc length, the fifth arc segment 105 and the twelfth arc segment 112 have the same radius of curvature and arc length, the sixth arc segment 106 and the eleventh arc segment 111 have the same radius of curvature and arc length, the seventh arc segment 107 and the tenth arc segment 110 have the same radius of curvature and arc length, and the eighth arc segment 108 and the ninth arc segment 109 have the same radius of curvature and arc length.

[0028] Specifically, the maximum width W of the opening in the first direction is the maximum distance between the fifth arc segment 105 and the twelfth arc segment 112, and the maximum width of the opening in the first direction is 57.34 mm. The first direction is perpendicular to the extension direction of the axis of symmetry. The maximum length L of the opening in the second direction is the length of the axis of symmetry P0P8, and the maximum length of the opening in the second direction is 62 mm. The second direction coincides with the extension direction of the axis of symmetry.

[0029] Specifically, the radius of curvature of the first arc segment 101 is 20mm, the radius of curvature of the second arc segment 102 is 265.1mm, the radius of curvature of the third arc segment 103 is 335mm, the radius of curvature of the fourth arc segment 104 is 164.5mm, the radius of curvature of the fifth arc segment 105 is 184mm, the radius of curvature of the sixth arc segment 106 is 150mm, the radius of curvature of the seventh arc segment 107 is 260mm, and the radius of curvature of the eighth arc segment 108 is... The radius of curvature of the ninth arc segment 109 is 500mm, the radius of curvature of the tenth arc segment 110 is 260mm, the radius of curvature of the eleventh arc segment 111 is 150mm, the radius of curvature of the twelfth arc segment 112 is 184mm, the radius of curvature of the thirteenth arc segment 113 is 164.5mm, the radius of curvature of the fourteenth arc segment 114 is 335mm, and the radius of curvature of the fifteenth arc segment 115 is 265.1mm.

[0030] The perpendicular distance h1 between the first intersection point P1 of the first arc segment 101 and the second arc segment 102 and the axis of symmetry is 10mm; the perpendicular distance h2 between the second intersection point P2 of the second arc segment 102 and the third arc segment 103 and the axis of symmetry is 150mm; the perpendicular distance h3 between the third intersection point P3 of the third arc segment 103 and the fourth arc segment 104 and the axis of symmetry is 210mm; and the perpendicular distance h4 between the fourth intersection point P4 of the fourth arc segment 104 and the fifth arc segment 105 and the axis of symmetry is... The perpendicular distance h4 between the axes is 280mm. The perpendicular distance h5 between the fifth connecting intersection point P5 of the fifth arc segment 105 and the sixth arc segment 106 and the axis of symmetry is 280mm. The perpendicular distance h6 between the sixth connecting intersection point P6 of the sixth arc segment 106 and the seventh arc segment 107 and the axis of symmetry is 226mm. The perpendicular distance h7 between the seventh connecting intersection point P7 of the seventh arc segment 107 and the eighth arc segment 108 and the axis of symmetry is 132mm. The perpendicular distance h7 between the ninth arc segment 109 and the tenth arc segment 108 is 132mm. The perpendicular distance h8 between the ninth connecting point P9 of segment 110 and the axis of symmetry is 132mm. The perpendicular distance h9 between the tenth connecting point P10 of the tenth arc segment 110 and the eleventh arc segment 111 and the axis of symmetry is 226mm. The perpendicular distance h10 between the eleventh connecting point P11 of the eleventh arc segment 111 and the twelfth arc segment 112 and the axis of symmetry is 280mm. The perpendicular distance h10 between the twelfth connecting point P12 of the twelfth arc segment 112 and the thirteenth arc segment 113 and the axis of symmetry is... The perpendicular distance h11 between the lines is 280mm. The perpendicular distance h12 between the thirteenth intersection point P13 of the thirteenth arc segment 113 and the fourteenth arc segment 114 and the axis of symmetry is 210mm. The perpendicular distance h13 between the fourteenth intersection point P14 of the fourteenth arc segment 114 and the fifteenth arc segment 115 and the axis of symmetry is 150mm. The perpendicular distance h14 between the fifteenth intersection point P15 of the fifteenth arc segment 115 and the first arc segment 101 and the axis of symmetry is 10mm.

[0031] Specifically, please refer to point 3 again. Line segments P1P15, P2P14, P3P13, P4P12, P5P11, P6P10, and P7P9 are parallel, and all of them are perpendicular to line segment (axis of symmetry) P0P8.

[0032] Specifically, the lengths of line segments P1P15, P2P14, P3P13, P4P14, P2P14, P3P13, P4P12, P5P11, P6P10, P7P9, and P6P11 are all 20mm, h1 + h14 = 20mm, h2 + h13 = 300mm, h3 + h12 = 420mm, h4P12, P5P11, P6P10, P7P12, P7P13, P7P14, and P7P15 are all 264mm, h7 + h8 = 264mm.

[0033] This utility model provides a protective mask for toddlers. By optimizing the contour of the opening of the face-fitting soft film of the protective mask, the fit between the face-fitting soft film and the child's face is improved, thereby improving the tightness of the protective mask when worn. After testing, the maximum gas leakage of the protective mask is only 1.9%.

[0034] It should be understood that the above embodiments are merely illustrative of the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A facial contact soft sheet for a child protective mask, wherein the facial contact soft sheet has an opening corresponding to the mouth and nose of the human body, characterized in that: The outline of the opening includes a first arc segment, a second arc segment, a third arc segment, a fourth arc segment, a fifth arc segment, a sixth arc segment, a seventh arc segment, an eighth arc segment, a ninth arc segment, a tenth arc segment, an eleventh arc segment, a twelfth arc segment, a thirteenth arc segment, a fourteenth arc segment, and a fifteenth arc segment connected end to end in sequence. The first, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, and fourteenth arc segments are arc segments that bulge outwards towards the periphery of the opening, while the second and fifteenth arc segments are arc segments that are concave inwards towards the inner side of the opening.

2. The facial contact soft film of the protective mask for young children according to claim 1, characterized in that: The outline of the opening is an axisymmetric figure, and the axis of symmetry of the outline of the opening is the line connecting the midpoint of the first arc segment and the eighth connection point of the eighth arc segment and the ninth arc segment.

3. The facial contact soft film of the protective mask for young children according to claim 2, characterized in that: The radius of curvature of the first arc segment is 20 mm, the radius of curvature of the second arc segment is 265.1 mm, the radius of curvature of the third arc segment is 335 mm, the radius of curvature of the fourth arc segment is 164.5 mm, the radius of curvature of the fifth arc segment is 184 mm, the radius of curvature of the sixth arc segment is 150 mm, the radius of curvature of the seventh arc segment is 260 mm, the radius of curvature of the eighth arc segment is 500 mm, the radius of curvature of the ninth arc segment is 500 mm, the radius of curvature of the tenth arc segment is 260 mm, the radius of curvature of the eleventh arc segment is 150 mm, the radius of curvature of the twelfth arc segment is 184 mm, the radius of curvature of the thirteenth arc segment is 164.5 mm, the radius of curvature of the fourteenth arc segment is 335 mm, and the radius of curvature of the fifteenth arc segment is 265.1 mm.

4. The facial contact soft film of the protective mask for young children according to claim 2, characterized in that: The perpendicular distance h1 between the first connecting point of the first arc segment and the second arc segment and the axis of symmetry is 10mm; the perpendicular distance h2 between the second connecting point of the second arc segment and the third arc segment and the axis of symmetry is 150mm; the perpendicular distance h3 between the third connecting point of the third arc segment and the fourth arc segment and the axis of symmetry is 210mm; the perpendicular distance h4 between the fourth connecting point of the fourth arc segment and the fifth arc segment and the axis of symmetry is 280mm; the perpendicular distance h5 between the fifth connecting point of the fifth arc segment and the sixth arc segment and the axis of symmetry is 280mm; the perpendicular distance h6 between the sixth connecting point of the sixth arc segment and the seventh arc segment and the axis of symmetry is 226mm; the perpendicular distance h7 between the seventh connecting point of the seventh arc segment and the eighth arc segment and the axis of symmetry is 132mm; the perpendicular distance h7 between the ninth arc segment and the... The perpendicular distance h8 between the ninth connecting point of the tenth arc segment and the axis of symmetry is 132mm; the perpendicular distance h9 between the tenth connecting point of the tenth arc segment and the eleventh arc segment and the axis of symmetry is 226mm; the perpendicular distance h10 between the eleventh connecting point of the eleventh arc segment and the twelfth arc segment and the axis of symmetry is 280mm; the perpendicular distance h11 between the twelfth connecting point of the twelfth arc segment and the thirteenth arc segment and the axis of symmetry is 280mm; the perpendicular distance h12 between the thirteenth connecting point of the thirteenth arc segment and the fourteenth arc segment and the axis of symmetry is 210mm; the perpendicular distance h13 between the fourteenth connecting point of the fourteenth arc segment and the fifteenth arc segment and the axis of symmetry is 150mm; and the perpendicular distance h14 between the fifteenth connecting point of the fifteenth arc segment and the first arc segment and the axis of symmetry is 10mm.

5. The facial contact soft film of the protective mask for young children according to claim 2, characterized in that: The maximum width of the opening in the first direction is the maximum distance between the fifth arc segment and the twelfth arc segment, and the maximum width of the opening in the first direction is 57.34 mm. The first direction is perpendicular to the extension direction of the axis of symmetry.

6. The facial contact soft film of the protective mask for young children according to claim 2, characterized in that: The maximum length of the opening in the second direction is the length of the axis of symmetry, and the maximum length of the opening in the second direction is 62 mm. The second direction coincides with the extension direction of the axis of symmetry.

7. The facial contact soft film of the protective mask for young children according to claim 3, characterized in that: The first arc segment is a semi-circular arc segment.

8. The facial contact soft film of the protective mask for young children according to claim 1, characterized in that: The outline of the opening is generally onion-shaped or teardrop-shaped.

9. The facial contact soft film of the protective mask for young children according to claim 1, characterized in that: The facial adhesive film comprises a face layer, a filter layer, and a surface layer stacked sequentially. The face layer and the surface layer are both non-woven fabrics. The filter layer comprises a polytetrafluoroethylene filter membrane. The thickness of the face layer is 0.1 mm to 2 mm. The thickness of the filter layer is 1 μm to 500 μm. The thickness of the surface layer is 0.1 mm to 2.5 mm.

10. A protective mask for young children, comprising a supporting frame and a mask body, wherein the supporting frame is disposed on the side of the mask body facing the user's face, characterized in that, Also includes: The facial fitting soft sheet of any one of claims 1-9 for a child protective mask is disposed on the side of the mask body facing the user's face, the outer peripheral edge of the facial fitting soft sheet is fixedly connected to the mask body, the support frame is attached to the surface of the mask body facing the facial fitting soft sheet, and a ventilation space is formed between the facial fitting soft sheet and the mask body to accommodate the mouth and nose of the human body and to allow for ventilation. When the child protective mask is used, the facial fitting soft sheet adaptively fits the human face.

Images