Mask with semi-transparent valve leaf

Abstract

The present application provides a kind of mask with translucent valve piece, mask includes: cover body, elastic band and air valve, air valve includes valve seat, valve cover and the translucent valve piece between valve seat and valve cover, wherein, the fixed part of valve seat and the pressing piece of valve cover are together clamped translucent valve piece, and translucent valve piece includes a first thermoplastic layer and a second thermoplastic layer in contact with valve seat, the first thermoplastic layer is PET, and the second thermoplastic layer is TPU, so that the second thermoplastic layer has higher surface roughness and elasticity;The translucent valve piece of the present application can form the open state away from valve seat in the state of exhaling, and also form the closed state close to valve seat in the state of inhaling;Therefore, user can confirm the state inside mask and the air tightness of air valve through the two characteristics of transparency and color of translucent valve piece.

Description

Technical Field

[0001] This invention relates to a face mask with an air valve, and more particularly to a three-dimensional face mask in which the air valve is constructed using a double-layer material to form a semi-transparent valve plate. Background Technology

[0002] Commonly available masks are a type of respiratory protective equipment used to filter out harmful substances in the air to protect the personal respiratory system. However, the main reason why most users do not like to wear masks is that it is not easy for hot and humid air to be expelled from the mask or that the discomfort caused by excessive airflow resistance. Therefore, in order to alleviate the aforementioned situations, exhalation valves that can expel air quickly and in large quantities are widely used in the field of masks.

[0003] A traditional valve-type mask includes a mask body, an exhalation valve, and a strap. The exhalation valve includes a base with a window, a top cover combined with the base, and an elastic film that can be opened to cover the window. When wearing the valve-type mask, the user can hang the strap around the ears or the back of the head to make the mask fit snugly against the face and cover the mouth and nose. When the user inhales, a negative pressure is formed inside the mask body, allowing outside air to enter through the filter material of the mask body, thereby filtering the outside air and keeping the valve plate closed. When the user exhales, a positive pressure is formed inside the mask body, causing the valve plate to be pushed open by the exhaled air, allowing the air to be quickly discharged from the inside of the mask body. Summary of the Invention

[0004] The main objective of this invention is to provide a mask with a semi-transparent valve. The three-dimensional mask with a semi-transparent valve designed in the valve allows the user to see the internal state of the mask through the transparency of the valve. The user can also easily identify whether the valve itself has slight deformation through the color characteristics of the valve, and can confirm whether there is any lack of tightness between the valve and the valve seat.

[0005] A secondary objective of this invention is to provide a mask with a semi-transparent valve sheet, which is made of different thermoplastic layers to reduce the tapping sound of the semi-transparent valve sheet when the user is breathing, and allows for a better fit between the valve sheet and the valve seat, resulting in a better sealing effect of the air valve.

[0006] Another objective of this invention is to provide a mask with a semi-transparent valve plate, by changing the pressing position and lateral width of the valve cover on the semi-transparent valve plate, so that the semi-transparent valve plate can increase the return speed of contact with the valve seat while maintaining a good fit.

[0007] To achieve the aforementioned objective, the present invention provides a face mask with a semi-transparent valve plate, characterized in that it comprises:

[0008] A cover for covering a user’s mouth and nose, said cover having an opening;

[0009] An elastic band is connected to the cover; and

[0010] A valve is connected to the opening, causing the opening to be in a closed state. The valve includes a valve seat, a semi-transparent valve plate, and a valve cover, wherein:

[0011] The valve seat has a enclosure portion forming a target outline, and the inner side of the enclosure portion is provided with an internal window portion and a fixing portion;

[0012] The translucent valve plate is mounted on the fixing part to contact and close the internal window, and has a target shape that conforms to the target contour; and

[0013] The valve cover is detachably connected to the valve seat, thereby forming a movable space between the valve seat and the valve cover. The valve cover has a blocking portion that overlaps the upper half of the inner window portion, and the valve cover also has an outer window portion that overlaps the lower half of the inner window portion. The blocking portion has a pressing member extending toward the translucent valve plate, such that one end of the translucent valve plate is a pressed end and can be clamped and positioned by the pressing member and the fixing portion, while the other end of the translucent valve plate is a free end and can be pushed by the breathing airflow, thereby changing the inner opening from the closed state to an open state.

[0014] The translucent valve plate of the present invention includes a first thermoplastic layer and a second thermoplastic layer in contact with the internal window portion. The first thermoplastic layer has a first surface roughness and a first elasticity, and the second thermoplastic layer has a second surface roughness greater than the first surface roughness and a second elasticity greater than the first elasticity. The first thermoplastic is a transparent sheet made of polyethylene terephthalate, and the second thermoplastic is a translucent sheet made of thermoplastic polyurethane. The dimensions of the transparent sheet and the translucent sheet are respectively between 0.01 mm and 0.1 mm.

[0015] Preferably, the fixing portion of the valve seat extends toward the valve cover with a plug-in block, and the pressing member of the valve cover has a sleeve that matches the plug-in block, a crossbar spaced apart from the sleeve, and a plurality of reinforcing ribs located between the sleeve and the crossbar; the width of the crossbar is greater than the width of the sleeve, and the crossbar overlaps the position of the internal window.

[0016] Preferably, the inner window portion sequentially forms a sunken region and a rising region from the pressure end toward the free end, giving the inner window portion an arcuate shape, and the sleeve, the plurality of reinforcing ribs, and the crossbar cooperate with the sunken region to form an arcuate pressing surface. Furthermore, a rising wall is formed around both the sunken region and the rising region, and a surrounding groove is formed between the inner window portion and the surrounding wall portion, such that the entire inner window portion is located outside the opening section of the opening.

[0017] Preferably, the translucent valve plate has a gradually expanding profile and a gradually contracting profile sequentially from the pressure end toward the free end, such that the target shape of the translucent valve plate matches the target profile to present a shell shape; and the first thermoplastic layer has a transparent colored smooth surface, while the second thermoplastic layer has a semi-transparent colored matte surface.

[0018] The present invention is characterized in that the translucent valve plate is made of thermoplastic sheets with different surface roughness and elasticity. The second thermoplastic layer with higher surface roughness and elasticity can contact the valve seat to generate better adhesion, thereby improving the tightness between the valve seat and the translucent valve plate. Attached Figure Description

[0019] Figure 1 This is a front view of the mask of the present invention;

[0020] Figure 2 This is a rear view of the mask of the present invention;

[0021] Figure 3 This is an exploded view of the air valve;

[0022] Figure 4 This is a front view of the valve in its disassembled state.

[0023] Figure 5 This is a cross-sectional view of the gas valve in its disassembled state.

[0024] Figure 6 This is a schematic diagram of the cross-section of a semi-transparent valve plate;

[0025] Figure 7A This is a front view of the semi-transparent valve plate.

[0026] Figure 7B This is a rear view of the semi-transparent valve plate.

[0027] Figure 8A A diagram illustrating how a semi-transparent valve opens when a user exhales.

[0028] Figure 8B A diagram illustrating how the semi-transparent valve closes when the user inhales.

[0029] Explanation of reference numerals in the attached drawings: 1-Mask; 2-Mask body; 20-3D filter material; 201-Reverse fold pattern; 202-First outer perimeter pattern; 203-Second outer perimeter pattern; 204-Connecting pattern; 21-Nose pad material; 211-Groove; 212-Contact piece; 22-Shielding part; 23-Opening part; 24-Connecting part; 3-Elastic band; 30-Band body; 31-Buck; 4-Valve; 40-Valve seat; 401-Wall section; 402-Inner concave annular groove; 403-Annular protrusion; 404-Internal window section; 404a-Rib; 404b-Window; 405-Fixing part; 406-Rising wall; 407-Circumferential groove; 40 8-Baffle; 409-Plug-in block; 41-Semi-transparent valve plate; 411-First thermoplastic layer; 411a-Colored smooth surface; 412-Second thermoplastic layer; 412b-Colored matte surface; 413-Opening; 42-Valve cover; 421-Shielding part; 422-External window part; 423-Snap-on part; 424-Snap-on strip; 425-Pressure part; 425a-Sleeve; 425b-Horizontal bar; 425c-Reinforcing rib; 426-Three-dimensional rib; 426a-Claw part; 426b-Arm part; 427-Three-dimensional window; 427a-Front opening; 427b-Side opening; A1-Sunken area; A2-Rising area. Detailed Implementation

[0030] The present invention will be further described below with reference to specific embodiments and accompanying drawings, and the advantages and features of the present invention will become clearer with the description.

[0031] Please refer to Figure 1 and Figure 2 As shown, the present invention provides a mask 1 with a semi-transparent valve, comprising a mask body 2, an elastic band 3, and an air valve 4. The mask body 2 includes a three-dimensional filter material 20 and a nose pad material 21 located on the rear side of the three-dimensional filter material 20. The three-dimensional filter material 20 has a shielding part 22 molded into a bowl shape, an opening 23 located in the center of the shielding part 22, and two connecting parts 24 located on opposite sides of the shielding part 22. The shielding part 22 is used to cover a user's mouth and nose. The two connecting parts 24 are folded back from the edge of the shielding part 22 to a front side of the shielding part 22, so that a lanyard channel is formed between the connecting parts 24 and the shielding part 22.

[0032] like Figure 1As shown, the three-dimensional filter material 20 includes two anti-reflective patterns 201, a first peripheral pattern 202, a second peripheral pattern 203, and two connecting patterns 204. The two anti-reflective patterns 201 are respectively formed on an adjacent side between the shielding portion 22 and the connecting portion 24. The first peripheral pattern 202 is formed on an upper edge and a lower edge of the shielding portion 22. The second peripheral pattern 203 is formed on an outer edge of the connecting portion 24. The two connecting patterns 204 are formed at a contact point between the connecting portion 24 and the shielding portion 22. Figure 2 As shown, the nose pad material 21 is hot-pressed onto the first peripheral texture 202. The nose pad material 21 has a notch 211 located in the center and two contact pieces 212 located on opposite sides of the notch 211.

[0033] Please refer to the following: Figure 1 As shown, the elastic band 3 includes a band body 30 and a buckle 31. The two ends of the band body 30 are respectively inserted into different cord channels on both sides of the shielding part 22 from top to bottom, and the two ends of the elastic band 3 are combined with the buckle 31 below the shielding part 22, so that the elastic band 3 and the cover body 2 can form an upper support ring and a lower support ring. In this way, the user can open the upper support ring and the lower support ring with both hands, so that the user's head can enter the upper support ring and the lower support ring for a stable wearing.

[0034] The structural description of the elastic band 3 and the connecting part 24 is for illustrative purposes only and is not intended to be limiting. That is, the mask 1 of the present invention can also use two elastic bands 3 to fix one of the two connecting parts 24 respectively, so that the user can wear the two elastic bands 3 to the ears.

[0035] Furthermore, the air valve 4 is thermo-pressed and fixed to the opening 23, so that the opening 23 is in a closed state. Please refer to [link / reference]. Figures 3 to 5As shown, the air valve 4 includes a valve seat 40, a semi-transparent valve plate 41, and a valve cover 42. The valve seat 40 has a surrounding wall portion 401 forming a target contour. The surrounding wall portion 401 has an inwardly recessed annular groove 402 and an outwardly extending an annular protrusion 403 to connect to the opening 23. An internal window portion 404 and a fixing portion 405 are formed on the inner side of the surrounding wall portion 401. The internal window portion 404 has a plurality of alternately arranged ribs 404a and a plurality of windows 404b. The plurality of ribs 404a and the plurality of windows 404b present a... An arc-shaped shape is formed in the internal window portion 404, which has a sunken area A1 and a rising area A2. A rising wall 406 is formed around both the sunken area A1 and the rising area A2. A surrounding groove 407 is formed between the internal window portion 404 and the surrounding wall portion 401, so that the entire internal window portion 404 is outside the opening section of the opening portion 23. The fixing portion 405 has a baffle 408 located above the internal window portion 404, and the baffle 408 extends outward to form a plug block 409.

[0036] The translucent valve plate 41 is mounted on the fixing part 405 to contact and close the internal window part 404, and has a target shape that matches the target contour; in a feasible embodiment of the figure, the translucent valve plate 41 has a gradually expanding contour C1 and a gradually contracting contour C2, such that the target shape of the translucent valve plate 41 matches the target contour to present a shell shape.

[0037] Please see Figure 6 As shown, the translucent valve plate 41 of the present invention includes a first thermoplastic layer 411, a second thermoplastic layer 412 in contact with the internal window portion 404, and an opening 413 penetrating the first thermoplastic layer 411 and the second thermoplastic layer 412. The first thermoplastic layer 411 is a transparent sheet made of polyethylene terephthalate (PET), and the second thermoplastic layer 412 is a translucent sheet made of thermoplastic polyurethane (TPU). The dimensions of the transparent sheet and the translucent sheet are respectively between 0.01 mm and 0.1 mm, such that the thickness of the translucent valve plate 41 does not exceed 0.2 mm.

[0038] The first thermoplastic layer 411 has a first surface roughness and a first elasticity, and the second thermoplastic layer 412 has a second surface roughness greater than the first surface roughness and a second elasticity greater than the first elasticity; please refer to Figure 7A and Figure 7BAs shown, the first thermoplastic layer 411 has a transparent colored smooth surface 411a, while the second thermoplastic layer 412 has a semi-transparent colored matte surface 412b.

[0039] Please refer to the following: Figures 3 to 5 As shown, the valve cover 42 is detachably connected to the valve seat 40, so that a movable space is formed between the valve seat 40 and the valve cover 42. The valve cover 42 has a blocking part 421, an external window part 422, and a snap-fit ​​part 423 located at the edges of both the blocking part 421 and the external window part 422. The blocking part 421 overlaps the upper half of the internal window part 404 and the fixing part 405. The external window part 422 overlaps the lower half of the internal window part 404. The snap-fit ​​part 423 has a plurality of snap strips 424 on its inner side that engage with and abut against the concave annular groove 402.

[0040] Furthermore, the blocking portion 421 has a pressing member 425 extending toward the translucent valve plate 41, such that a pressed end of the translucent valve plate 41 can be clamped and positioned by the pressing member 425 and the fixing portion 405.

[0041] As shown in the figure, the height of the valve cover 42 gradually increases from the blocking part 421 toward one end of the external window part 422, so that the external window part 422 forms a plurality of alternating three-dimensional ribs 426 and a plurality of three-dimensional windows 427. Each three-dimensional rib 426 includes a claw part 426a that rises along an arc path and an arm part 426b connecting the claw part 426a and the latching part 423. Each three-dimensional window 427 has a front opening 427a located between two claw parts 426a and a side opening 427b located between two arm parts 426b.

[0042] Furthermore, the pressing member 425 has a sleeve 425a that cooperates with the plug-in block, a crossbar 425b spaced apart from the sleeve 425a, and a plurality of reinforcing ribs 425c located between the sleeve 425a and the crossbar 425b; the width of the crossbar 425b is greater than the width of the sleeve 425a, and the crossbar 425b overlaps the position of the internal window portion 404. At the same time, the sleeve 425a, the plurality of reinforcing ribs 425c and the crossbar 425b cooperate with the sunken area A1 to form an arc-shaped pressing surface.

[0043] Please see Figure 8AAs shown, a portion of the translucent valve plate 41 above the crossbar 425b forms the pressure-bearing end, while the remaining portion of the translucent valve plate 41 below the crossbar 425b forms a free end that can be pushed by the airflow of breathing; when the user wears the mask 1 of the present invention and exhales, the translucent valve plate 41 will change from the closed state to the open state in conjunction with the internal window portion 404.

[0044] See Figure 8B As shown, conversely, when a user wears the mask 1 of the present invention and inhales, the translucent valve 41 will change from the open state back to the closed state in conjunction with the internal window 404. At the same time, external air will flow into the interior of the mask 1 through the three-dimensional filter material 20.

[0045] The above description is illustrative only and not restrictive to the present invention. Those skilled in the art will understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the claims, and all such modifications, variations or equivalents will fall within the protection scope of the present invention.

Claims

1. A face mask with a translucent valve, characterized in that, Include: A cover for covering a user’s mouth and nose, said cover having an opening; An elastic band is connected to the cover; and A valve is connected to the opening, causing the opening to be in a closed state. The valve includes a valve seat, a semi-transparent valve plate, and a valve cover, wherein: The valve seat has a enclosure portion forming a target outline, and the inner side of the enclosure portion is provided with an internal window portion and a fixing portion; The translucent valve plate is mounted on the fixing part to contact and close the internal window, and has a target shape that conforms to the target contour; and The valve cover is detachably connected to the valve seat, thereby forming a movable space between the valve seat and the valve cover. The valve cover has a blocking portion that overlaps the upper half of the inner window portion, and the valve cover also has an outer window portion that overlaps the lower half of the inner window portion. The blocking portion has a pressing member extending toward the translucent valve plate, such that one end of the translucent valve plate is a pressed end and can be clamped and positioned by the pressing member and the fixing portion, while the other end of the translucent valve plate is a free end and can be pushed by the breathing airflow, thereby changing the inner opening from the closed state to an open state. The translucent valve plate includes a first thermoplastic layer and a second thermoplastic layer in contact with the internal window portion. The first thermoplastic layer has a first surface roughness and a first elasticity, and the second thermoplastic layer has a second surface roughness greater than the first surface roughness and a second elasticity greater than the first elasticity. The first thermoplastic is polyethylene terephthalate, and the second thermoplastic is thermoplastic polyurethane.

2. The face mask with a translucent valve plate according to claim 1, characterized in that: The fixing portion of the valve seat extends toward the valve cover with a plug-in block, and the pressing member of the valve cover has a sleeve that matches the plug-in block, a crossbar spaced apart from the sleeve, and a plurality of reinforcing ribs located between the sleeve and the crossbar.

3. The face mask with a translucent valve plate according to claim 2, characterized in that: The width of the crossbar is greater than the width of the sleeve, and the crossbar overlaps the position of the inner window.

4. The face mask with a translucent valve plate according to claim 3, characterized in that: The internal window portion forms a sunken area and a rising area sequentially from the pressure end toward the free end, so that the internal window portion presents an arc shape; the sleeve, the plurality of reinforcing ribs and the crossbar cooperate with the sunken area to present an arc-shaped pressing surface.

5. The face mask with a translucent valve plate according to claim 4, characterized in that: A rising wall is formed around both the sunken area and the rising area, and a surrounding groove is formed between the inner window portion and the surrounding wall portion, such that the entire inner window portion is located outside an opening section of the opening portion.

6. The face mask with a translucent valve plate according to claim 1, characterized in that: The translucent valve plate has a gradually expanding profile and a gradually contracting profile sequentially from the pressure end toward the free end, such that the target shape of the translucent valve plate matches the target profile to present a shell shape.

7. The face mask with a translucent valve plate according to claim 1, characterized in that: The first thermoplastic layer has a transparent, colored, smooth surface, while the second thermoplastic layer has a semi-transparent, colored, matte surface.

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