CN112932786A - Fully-sealed goggles - Google Patents
Fully-sealed goggles Download PDFInfo
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- CN112932786A CN112932786A CN202110145143.1A CN202110145143A CN112932786A CN 112932786 A CN112932786 A CN 112932786A CN 202110145143 A CN202110145143 A CN 202110145143A CN 112932786 A CN112932786 A CN 112932786A
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- frame
- silicon rubber
- silicone rubber
- goggles
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/02—Goggles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/02—Goggles
- A61F9/025—Special attachment of screens, e.g. hinged, removable; Roll-up protective layers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/02—Goggles
- A61F9/028—Ventilation means
Abstract
The invention discloses a full-sealed goggles, which comprises a lens, a lens frame for bearing the lens, a sealing element for sealing and clinging to the face of a wearer and a frame for connecting the lens frame and the sealing element, wherein the lens is made of plastic, the lens frame is made of plastic or silicon rubber, the frame is made of silicon rubber, the sealing element is made of silicon rubber, the plastic and the silicon rubber are integrated through hot vulcanization and bonding, one or more moisture-permeable structures are seamlessly embedded in the frame, the moisture-permeable structures are compact silicon rubber films or silicon rubber films with through holes with the pore diameters larger than 100nm, and the thickness of the silicon rubber films is 0.005-0.5 mm. The goggles do not contain ventilation holes through which liquid or solid particles can pass, but have a moisture permeable structure, water vapor generated by eyes is discharged through the water vapor permeability of the silicon rubber film and is well attached to the faces of people, so the goggles are fully sealed, and the goggles have the advantages of preventing spit foam from splashing, preventing dust, water and blood from passing through, preventing diseases, bacteria and viruses from passing through, preventing irritant gas from entering the eyes, being repeatedly used after high-temperature sterilization and disinfection of the passing through, and the goggles can be safely used in places such as chemical workshops and hospitals.
Description
Technical Field
The invention belongs to the technical field of glasses, relates to goggles, and particularly but not exclusively relates to sports goggles such as sanitary protection goggles for laboratories, workshops and hospitals, swimming goggles and the like.
Background
When carrying out chemical experiments in a laboratory or carrying out production in a chemical and chemical engineering workshop, eyes are often required to be protected particularly, and eye shields or goggles are required to be worn. Because each part of current eye-shade or goggles often assembles, there is the gap to exist more or less between each part, leads to it when external condition takes place, and each part takes place to warp easily, leads to each part can not keep zonulae occludens to produce the gap, and gap between each part is along with the time grow in the use, makes in harmful liquid or irritability gas easily enters into the eye-shade, produces harm to the human body.
When a doctor performs an operation, in order to prevent liquid medicine and blood of a patient from splashing on the face or causing infection or other injuries in the eyes, the doctor needs to wear a protective eyeshade, can be generally matched with a mask, an operation cap and the like for use, and plays a comprehensive protective role on the head of the doctor. According to the literature "concern about the problem of the transmission of the novel coronavirus pneumonia and the ocular surface" (Zhang Ming, J.Ophioglossum, 2020,20 (2), p.401-403), "study on the possible mechanism of the transmission of the novel coronavirus ocular pathway from SARS coronavirus" (Niufury, Kuna, Sunson, "" International J.Opuntia "2020, 20(4), p.729-732)," the infection and detection of the ocular region of coronavirus "(Yanqin, Lang Jun, Liao Hexuan," "International J.Ophioglossum," 2020,20(5), p.917-920) and "2019 analysis and thinking of the novel coronavirus transmission pathway" (original quiet people, Anhui, Sun Yan, Wang, Chengmei, Chengming, journal of SiAnn university of transportation (medical edition), 2020,41(4), p.497-501), etc., the transmission of the novel coronavirus is carried out by the ocular surface transmission or conjunctival transmission, so that reasonable protective measures are required to be taken on eyes in key areas.
However, in some conventional medical goggles, the components are assembled, and are easily deformed when external conditions change, and gaps between the components are enlarged during use, so that the protection capability is weakened. In addition, some conventional medical goggles are provided with two or four unequal vent holes, so that when a person wears the goggles, although water vapor generated at the eyes and the like can be easily discharged from the vent holes of the goggles, external gas, liquid and solid particles can easily enter the goggles through the vent holes. In addition, because the Shore A hardness of the soft plastic or soft rubber part in contact with the face of a person in some traditional medical goggles is not low, and the Shore A hardness value is usually more than 50, when the medical goggles are worn by a person, the medical goggles are difficult to ensure that the goggles are closely attached to the face of the person and are uncomfortable to use.
Chinese patent application No. 03237806.8 discloses a pair of eye protection shields, which includes a shield frame and lenses, wherein the lenses are embedded in grooves at the inner side of the front end of the shield frame with a certain depth, which can cover and cling to the two eyes. The mode of the direct mechanical combination of the lens and the eyeshade frame is characterized in that after the lens and the eyeshade frame are used for a long time, gaps are easily formed at the joints, droplets or liquid possibly enter the glasses from the gaps, and the protective eyeshade needs to be soaked in liquid medicine during disinfection treatment, cannot be directly used repeatedly through high-temperature disinfection, further increases the use cost and shortens the service life.
In order to improve the seal between the combined goggle lens and the frame, the skilled person has devised several solutions. Chinese patent application No. 201910565299.8 discloses a goggle, which includes: a lens assembly: the novel spectacle lens comprises a front lens and a rear lens, wherein an embedded groove is formed in the periphery of the front lens, a sealing strip is arranged inside the embedded groove, the periphery of the rear lens is matched with the periphery of the embedded groove of the front lens, and the rear lens is integrally formed with the front lens through the sealing strip. The use of the sealing strip is one of the originality of the patent document, but the use of the sealing strip causes poor air permeability and cannot timely discharge moisture in the goggles.
Disclosure of Invention
In order to solve the problems of the goggles, the invention provides a fully-sealed goggle, which utilizes the characteristics of a silicon rubber film to achieve the ideal state of excellent sealing performance among the lens, the lens frame, the frame and the sealing element and between the goggle and the human face and timely discharging moisture in the goggle by directly and seamlessly connecting or bonding the lens, the lens frame, the frame and the sealing element into a whole, without using a vent hole or a sealing strip.
The invention provides a full-sealed goggles, which comprises a lens, a lens frame for bearing the lens, a sealing element for sealing and clinging to the face of a wearer and a frame for connecting the lens frame and the sealing element, wherein the lens is made of plastic, the lens frame is made of plastic or silicon rubber, the frame is made of silicon rubber, the sealing element is made of silicon rubber, the plastic and the silicon rubber are integrated through hot vulcanization and adhesion, one or more moisture-permeable structures are seamlessly embedded in the frame, and the moisture-permeable structures are compact silicon rubber films or silicon rubber films with through holes with the pore diameters larger than 100 nm.
In some embodiments, the silicone rubber film that can be used in the present invention has a thickness of 0.005 to 0.5 mm. Among them, silicone rubber is one of the polymer materials having the highest water vapor permeability. The invention creatively utilizes the characteristic of high water vapor transmission rate of the silicon rubber to achieve the purpose that water vapor generated by eyes can transmit the silicon rubber. When the silicone rubber is relatively thin, or when the silicone rubber becomes a silicone rubber film of a sufficiently thin thickness (not more than 0.50mm), the amount of moisture passing through the film will be significantly increased, allowing moisture generated in the eyes of a person to permeate through the silicone rubber film without producing liquid condensed on the lens in the goggles.
In some embodiments, illustrative examples of moisture vapor permeable structures that can be used in the present invention include, but are not limited to, circles having a circumscribed circle diameter of 0.5mm or more, ellipses, rectangles, regular polygons, or trapezoids.
In some embodiments, the moisture vapor permeable structures that can be used in the present invention are distributed in a dispersed or aggregated manner on the framework.
In some embodiments, the moisture vapor permeable structures that can be used in the present invention are randomly dispersed or symmetrically distributed on the frame.
In some embodiments, moisture vapor permeable structures that can be used in the present invention are distributed in one or more locations in a plurality of clusters on the frame.
In some embodiments, the height of the ribs between two adjacent moisture permeable structures that can be used in the present invention is 2 times or more the thickness of the moisture permeable structure, and the width of the ribs is 0.2 to 2.0 mm.
In some embodiments, illustrative examples of silicone rubber films that can be used in the present invention include, but are not limited to, a flat surface, a curved surface structure, or a combination of a flat surface and the curved surface structure.
In some embodiments, illustrative examples of curved structures that can be used in the present invention include, but are not limited to, a wave shape, a conical shape, a spherical shape, an ellipsoid shape, a cylindrical shape, a polygonal shape, etc., or a combination of a flat surface and these curved structures. In the moisture vapor permeable structure, these curved surfaces have a larger specific surface area than the flat surface.
In some embodiments, the lens assembly that can be used in the present invention is made of plastic, wherein the plastic includes general purpose plastics and engineering plastics, and the engineering plastics with better mechanical properties and heat resistance can be selected to make the lens. However, the use of general-purpose plastics such as transparent polyvinyl chloride, polypropylene, polystyrene, etc. for the production of lenses is not excluded.
In some embodiments, illustrative examples of plastics that can be used in the present invention include, but are not limited to, transparent polymethylmethacrylate, polycarbonate, polyethylene terephthalate, nylon, polysulfone, acrylonitrile-styrene copolymer, poly-4-methyl-1-pentene, polyallyldiglycol carbonate, polyvinyl chloride, polypropylene, polystyrene, or phenolic resin.
In some embodiments, the plastic that can be used in the present invention has a light transmittance of not less than 75%, and the silicone rubber that can be used in the present invention has a light transmittance of not less than 50%;
in some embodiments, the plastic or silicone rubber that can be used in the present invention contains no or a small amount of bluing agents, fragrances, colorants, photochromic agents or thermochromic agents to add additional functionality to the eyewear. The goggles containing the photochromic agent can prevent sunlight (when sunlight exists, the lens containing the photochromic agent can be changed into color from colorless to absorb partial sunlight), the goggles added with the flavoring agent have fragrance so as to be loved by people, and the goggles containing the coloring agent can have beautiful colors.
In some embodiments, the silicone rubber that can be used in the present invention is bonded to a plastic by heat vulcanization.
In some embodiments, the failure mode of the initial adhesion between the plastic and the silicone rubber that can be used in the present invention and the adhesion failure mode after a high temperature and high humidity aging test at 85 ℃ and 85% relative humidity for 168 hours are cohesive failures, and the area of the residual rubber of the silicone rubber on the bonding surface of the plastic is not less than 10% of the total bonding area when the silicone rubber is pulled off or peeled from the plastic. The plastic bonding surface is provided with residual rubber of silicon rubber, which shows that the failure mode of the plastic and silicon rubber bonding is cohesive failure rather than interfacial failure, and the bonding between the plastic and the silicon rubber is dense and firm.
In some embodiments, the silicone rubber that can be used in the present invention is a combination of two or more silicone rubbers of different hardness.
In some embodiments, the silicone rubber that can be used in the sealing element of the present invention has a hardness that is lower than the hardness of the silicone rubber of the frame and frame.
In some embodiments, the silicone rubber that can be used for the sealing element of the present invention has a shore a hardness of 0 to 60, and the silicone rubber of the frame and the frame has a shore a hardness of 40 to 90.
In some embodiments, the failure mode of the initial adhesion between the silicone rubbers of different hardness that can be used in the present invention and the adhesion failure mode after the high temperature and high humidity aging test at 85 ℃ and 85% relative humidity for 168 hours are both cohesive failures, and the area of the residual rubber of the silicone rubber with lower hardness on the surface of the silicone rubber with higher hardness is not less than 10% of the total adhesion area.
In some embodiments, at least one of the outer or inner surfaces of the plastic that can be used in the present invention has a scratch and abrasion resistant coating with a thickness of no more than 2 μm, a hydrophilic coating or a hydrophobic coating, and/or an anti-fog coating with a thickness of no more than 1 μm.
In some embodiments, the outer surface of the silicone rubber that can be used in the present invention is treated by a UV modifier, the UV modifier treated silicone rubber having an outer surface with a coefficient of friction that is less than half the coefficient of friction of the silicone rubber before treatment.
In some embodiments, the outer surface of the silicone rubber that can be used in the present invention has a coating of an elastic handle coating, or the outer surface of the silicone rubber other than the moisture vapor permeable structure has a coating of an elastic handle coating, the coating of the elastic handle coating has a thickness of no more than 20 μm, or the outer surface of the silicone rubber has a coating of parylene, or the outer surface of the silicone rubber other than the moisture vapor permeable structure has a coating of parylene, the coating of parylene has a thickness of no more than 5 μm, or the outer surface of the silicone rubber has a coating of teflon, or the outer surface of the silicone rubber other than the moisture vapor permeable structure has a coating of teflon, the coating of teflon has a thickness of no more than 5 μm.
In some embodiments, the frame further comprises a strap detachably connected to or integrally formed with the frame.
In some embodiments, the tethers that can be used in the present invention are constructed of silicone rubber.
In some embodiments, the frames that can be used in the eyewear of the present invention are provided with 10-20 moisture vapor permeable structures having a silicone rubber film thickness of 0.05mm, each moisture vapor permeable structure having a silicone rubber film area of 20-80mm2The shape of the silicon rubber film of the moisture-permeable structure is circular or oval, and the moisture-permeable structures are symmetrically distributed on the frame of the goggles by taking the midline of the nose bridge as a symmetrical axis.
In some embodiments, the moisture-permeable structure that can be used in the present invention is distributed in a gathering manner on the frame of the goggles, two or more regular hexagonal silicone rubber films having a side length of 1.0 to 5.0mm are gathered at two or more locations on the frame of the goggles, the thickness of the silicone rubber film is 0.01 to 0.1mm, the width of the edge between two adjacent silicone rubber films is 0.25 to 1.0mm, and the height of the edge is 0.2 to 2.0 mm.
Has the advantages that: the goggles made of plastic and silicon rubber do not contain air holes through which liquid or solid particles can pass, but have a moisture permeable structure, water vapor generated by eyes is discharged through the water vapor permeability of a silicon rubber film, and the goggles are well attached to the faces of people, so the goggles are fully sealed, have the advantages of preventing spit foam from splashing, preventing dust, water, blood from passing through, preventing bacteria and viruses from passing through, preventing irritant gas from entering the eyes, being repeatedly used after high-temperature sterilization and disinfection and the like, and can be safely used in places such as chemical workshops and hospitals.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a fully sealed goggle provided by the present invention.
Fig. 2 is a partial structural schematic view of a fully sealed goggle provided by the present invention.
Fig. 3 is a schematic structural view of a fully sealed goggle provided by the present invention.
Fig. 4 is a partial structural schematic view of a fully sealed goggle provided by the present invention.
Fig. 5 is a schematic structural view of a fully sealed goggle provided by the present invention.
Fig. 6 is a partial structural schematic view of a fully sealed goggle provided by the present invention.
Fig. 7 is a schematic structural view of a fully sealed goggle provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
as shown in fig. 1, a totally enclosed goggle is composed of a lens 1 made of a colorless and transparent engineering plastic polycarbonate, a frame 2 made of 50 shore a silicone rubber, a frame 4 connected to the frame and made of 50 shore a silicone rubber, and a sealing member 6 in contact with the wearer's face. In the goggles, the silicon rubber material of the frame 2 and the polycarbonate material of the lens 1 are bonded by a hot vulcanization molding process. The silicon rubber frame 4 is provided with 10 circular silicon rubber films with the diameter of 5.0mm to 7.5mm and the thickness of 0.03mm to 0.05mm, as shown in figure 2, the silicon rubber films are positioned on the inner surface (namely the surface close to the face of a person when the goggle is worn) of the goggle frame 4, and the frame 4 is provided with two bayonets 3 made of silicon rubber and used for installing binding bands;
a composite body having a strong adhesion is obtained by heat vulcanization molding between the polycarbonate lens 1 and the silicone rubber rim 2. The method for preparing the composite consists of two methods.
The method comprises the following steps: the silicone rubber used for the silicone rubber frame 2 was prepared from addition type liquid silicone rubber KE-1950-5A and B manufactured by Nippon Beacon corporation. Before the polycarbonate lens 1 and the silicon rubber frame 2 are formed by hot vulcanization, the part of the polycarbonate lens 1 which needs to be bonded with the silicon rubber (the part is positioned at the periphery of the polycarbonate lens 1) is treated by an adhesion promoter. The adhesion promoters (otherwise known as treating agents) used are commercially available. In the embodiment, a liquid silicon gluing PC treating agent KJ-770-50X9-60C of Shenzhen Kejia gluing material Co. The processing method comprises the following steps: cleaning the lens, uniformly brushing a thin layer of adhesion promoter KJ-770-50X9-60C on the to-be-bonded interface which needs to be bonded with the silicone rubber at the periphery of the polycarbonate lens 1, and airing at room temperature (airing time is micro 2 hours) to enable the adhesion promoter KJ-770-50X9-60C to be cured on the surface of the polycarbonate lens 1 to form a film. Putting the obtained polycarbonate lens 1 into a mold cavity, uniformly mixing the component A and the component B by using a liquid silicon rubber injection molding machine, and injecting the mixture into the mold cavity, wherein the temperature of the mold cavity is 120 ℃, and taking out the mixture after 120s to obtain a composite body of the polycarbonate lens 1 and silicon rubber (comprising a silicon rubber frame 4), namely the fully-sealed goggles in the invention.
The method 2 comprises the following steps: the silicone rubber used to prepare the silicone rubber frame 2 is a commercially available self-adhesive liquid silicone rubber. The method adopts PC self-adhesive liquid silicone rubber KL-F6050A rubber and B rubber of Shenzhen Shenli Shenbang science and technology Limited. In the method, the polycarbonate lens 1 can be used only by keeping clean or cleaning, and an adhesion promoter is not needed. Putting the clean polycarbonate lens 1 into a mold cavity with the temperature of 120 ℃, uniformly mixing KL-F6050A glue and B glue, injecting the mixture into the mold cavity, and demolding after 120 seconds to obtain a composite body of the polycarbonate lens 1 and silicon rubber (comprising a silicon rubber frame 4), wherein the composite body is also the fully-sealed goggles in the invention.
In the goggles obtained by the above two methods, the failure mode of the initial adhesion between the plastic (polycarbonate) and the silicone rubber and the adhesion failure mode after the high-temperature high-humidity aging test at 85 ℃ and 85% relative humidity for 168 hours are both cohesive failures; when the silicon rubber is pulled off or peeled off from the plastic, the area of the residual silicon rubber on the surface of the plastic is not less than 10 percent of the total bonding area, which shows that the plastic and the silicon rubber are bonded compactly and firmly.
The goggles obtained in the embodiment are placed in a high-temperature steam sterilization pot, kept for 30min at the temperature of 121-. The tested goggles were inspected and found to be intact, with firm adhesion between the silicone rubber and plastic, and without any cracking of the moisture vapor permeable structure.
Comparative example 1:
comparative example 1 eyewear was prepared in the same manner as in example 1, except that the polycarbonate lens 1 was not treated with any adhesion promoter or treatment prior to being molded by heat vulcanization with liquid silicone rubber. The adhesion between the silicon rubber and the polycarbonate lens in the obtained goggles is very low, the silicon rubber and the lens can be separated by hands, and no silicon rubber residue exists on the lens. The goggles have extremely poor use performance, the components are easy to separate, and the requirement of full sealing of the goggles cannot be met.
Comparative example 2
The eyewear made in comparative example 2 was the same as the eyewear described in example 1, except that the eyewear made in comparative example 2 did not have any moisture vapor permeable structure.
We compared the goggles made in example 1, comparative example 1 and comparative example 2.
Tap water was contained in the eyewear prepared in example 1 and the eyewear prepared in comparative example 2, respectively. Goggles keep flat on the desktop, and the lens is under, and the mirror holder is up, and the volume of the running water that holds does not spill over the goggles to the running water. Neither tap water leaked or seeped out of the goggles within 24h, nor from the moisture vapor permeable structure of the goggles made in example 1. Tap water was contained in the eyewear obtained in comparative example 1 and comparative example 2, respectively, and it was observed that tap water did not ooze from the eyewear obtained in comparative example 2 within 24 hours, but tap water was found to ooze from the junction of silicone rubber and plastic in the eyewear obtained in comparative example 1.
A little dry ice was contained in the goggles manufactured in example 1, and it was not found that the mist generated by the dry ice penetrated from the moisture-permeable structure of the goggles manufactured in example 1.
Five workers in the vulcanization shop were allowed to wear the eyewear prepared in example 1 and the eyewear prepared in comparative example 2 and worked for 4 hours, respectively, and as a result, it was found that the lenses and the silicone rubber frames of the eyewear prepared in example 1 were dry and had good lens transparency. The inner surface of the lens and the inner surface of the silicone rubber frame of the goggle manufactured in comparative example 2 were not dry, and the lens had a droplet, and the transparency of the lens was adversely affected.
Example 2
As shown in fig. 3, a fully sealed goggle is composed of a lens 1 made of engineering plastic polycarbonate, a frame 2 made of silicon rubber, a frame 4 connected with the frame and a sealing element 6 contacted with the human face, wherein the silicon rubber frame 4 is provided with 10 moisture-permeable structures, the moisture-permeable structures are circular silicon rubber films with the diameter of 2.5-5mm and the thickness of 0.1mm, and the frame 4 is provided with two binding band bayonets 3 made of silicon rubber and used for mounting binding bands. As shown in fig. 4, the silicone rubber film is located on the outer surface (i.e., the surface away from the face of a person when worn) of the goggle frame 4.
Wherein, the Shore A hardness of the silicon rubber used for the frame 6 contacting with the human face is 10 +/-2, and the Shore A hardness of the silicon rubber used for the picture frame 2, the frame 4 connected with the picture frame, the moisture-permeable structure 5 and the binding bayonet 3 is 60 +/-2.
In the present embodiment, the polycarbonate lens 1 and the silicone rubber rim 2 are firmly bonded to each other by heat vulcanization molding. In the goggles, the failure mode of the initial adhesion between the polycarbonate and the silicone rubber and the adhesion failure mode after the high-temperature high-humidity aging test at 85 ℃ and 85% relative humidity for 168h are both cohesive failures; when the silicon rubber is pulled off or peeled off from the polycarbonate, the area of the residual rubber of the silicon rubber on the surface of the polycarbonate is not less than 10 percent of the total bonding area; in the goggles formed by combining two or more kinds of silicon rubber with different hardness, the silicon rubber with different hardness is firmly bonded, the failure mode of the initial bonding between the silicon rubber with different hardness and the bonding failure mode after the high-temperature high-humidity aging test with the temperature of 85 ℃ and the relative humidity of 85 percent for 168 hours are cohesive failure, and the area of the residual rubber of the silicon rubber with lower hardness on the surface of the silicon rubber with higher hardness is not less than 10 percent of the total bonding area.
Example 3
As shown in fig. 5, a totally enclosed goggle is composed of a lens 1 made of engineering plastic polycarbonate, a frame 2 made of silicon rubber, a frame 4 connected with the frame and a sealing element 6 contacting with human face, wherein the silicon rubber frame 4 is provided with 10 moisture-permeable structures, the moisture-permeable structures are diamond-shaped silicon rubber films with the thickness of 0.1mm, and the frame 4 is provided with two binding band bayonets 3 made of silicon rubber and used for mounting binding bands. As shown in fig. 6, the silicone rubber membrane is located at the middle position of the goggle frame 4.
Wherein, the Shore A hardness of the silicon rubber used for the frame 6 contacting with the human face is 10 +/-2, and the Shore A hardness of the silicon rubber used for the picture frame 2, the frame 4 connected with the picture frame, the moisture-permeable structure 5 and the binding bayonet 3 is 60 +/-2.
In the present embodiment, the polycarbonate lens 1 and the silicone rubber rim 2 are firmly bonded to each other by heat vulcanization molding. In the goggles, the failure mode of the initial adhesion between the engineering plastic and the silicon rubber and the adhesion failure mode after a high-temperature high-humidity aging test with the temperature of 85 ℃, the relative humidity of 85% and the time of 168 hours are both cohesive failure; when the silicon rubber is pulled off or stripped from the engineering plastic, the area of the residual silicon rubber on the surface of the engineering plastic is not less than 10 percent of the total bonding area; in the goggles formed by combining two or more kinds of silicon rubber with different hardness, the silicon rubber with different hardness is firmly bonded, the failure mode of the initial bonding between the silicon rubber with different hardness and the bonding failure mode after the high-temperature high-humidity aging test with the temperature of 85 ℃ and the relative humidity of 85 percent for 168 hours are cohesive failure, and the area of the residual rubber of the silicon rubber with lower hardness on the surface of the silicon rubber with higher hardness is not less than 10 percent of the total bonding area.
Example 4
A totally enclosed goggle is the same as the goggle described in example 1, except that the moisture vapor permeable structure is composed of 4 square films each having a side length of 2.0mm and a thickness of 0.01-0.1mm combined in a matrix, the width of the edge between two adjacent films is 0.50mm, and the height of the edge is 1.0 mm.
Example 5
A totally enclosed goggle similar to that described in example 1, except that the moisture vapor permeable structure is constituted by combining regular hexagonal square films each having a side length of 2.0mm and a thickness of 0.01 to 0.1mm in a honeycomb manner, the width of the edge between the adjacent films being 0.50mm, and the height of the edge being 1.0 mm.
Example 6
As shown in fig. 7, the goggles of this embodiment have the same structure as that of embodiment 1, except that a silicone rubber band 7 having a width of about 6.0mm, a thickness of about 1.0mm and a length of 35-45mm is attached to the original bayonet without a clip for attaching a strap, and the silicone rubber band is the same as that of the frame.
Example 7
The goggles of this example were constructed in the same manner as in example 1, except that the outer surface of the silicone rubber of the goggles was subjected to UV modification treatment using a UV modifier. The UV modification treatment is to modify the surface of the silicon rubber by using ultraviolet light (UV) with specific wavelength, so that oxygen in the air and the surface of the silicon rubber are subjected to chemical reaction, and the chemical composition and the physical properties of the surface of the silicon rubber are changed.
In the UV modification treatment of the invention, 112 low-pressure mercury lamps with the length of 725mm and the power of 160W are used as UV light sources to irradiate the rotating surface of the silicon rubber at the same time, and the wavelength of each UV light source is 185-254 nm. The irradiation time of the UV light source is 30-120 minutes until the static friction coefficient of the outer surface of the silicon rubber is reduced to half or less than that before the UV irradiation. Irradiating the surface of the silicon rubber with UV light with a wavelength of 254nm, cutting off main bonds and side bonds of molecules on the surface layer of the silicon rubber after the surface of the silicon rubber absorbs the UV external light with the wavelength, and generating ozone O by oxygen in the atmosphere after absorbing ultraviolet light with a wavelength of 185nm3And atomic oxygen O, O produced3The silicon rubber has strong absorption effect on ultraviolet light with the wavelength of 254nm, ozone is decomposed into oxygen and atomic oxygen under the action of photons, and the atomic oxygen is extremely active and can be combined with cut surface molecules to form oxygen-containing functional groups (such as-OH, -C ═ O, -CHO, -COOH and the like) on the surface of the silicon rubber, so that the properties of the surface of the silicon rubber, such as hand feeling, friction coefficient and the like, are changed.
The static friction coefficient of the silicon rubber before UV modification is about 1.2, and the static friction coefficient of the outer surface of the silicon rubber of the goggles after UV modification is about 0.4-0.5.
Example 8
A fully sealed goggle is the same as that described in example 1, with two differences:
one difference is that the lens 1 is made of a polycarbonate resin or a polyvinyl chloride resin containing a photochromic agent, the photochromic agent being a photochromic agent OP powder, the content of the OP powder being 0.5 wt% to 1.0 wt%. After the irradiation of sunlight or ultraviolet rays, the lens 1 absorbs the energy of the sunlight or the ultraviolet rays, and the OP powder generates the change of the molecular structure, so that the absorption wavelength is changed, and the color is changed. When the sunlight or ultraviolet rays are lost, the OP powder restores the original molecular structure and changes into the original color.
The other difference is that the silicone rubber frame 4 and the moisture vapor permeable structure 5 contain a transparent blue colorant. The blue colorant is phthalocyanine blue, and the content of the phthalocyanine blue is 0.01-0.5 wt%.
The goggles made of plastic and silicon rubber in the embodiment of the invention do not contain air holes through which liquid or solid particles can pass, but have a moisture permeable structure, water vapor generated by eyes is discharged through the water vapor permeability of the silicon rubber film, and the goggles is well attached to the face of a human body, so the goggles is a fully-sealed goggles, has the advantages of preventing spittle from splashing, preventing dust, water, blood from passing through, preventing bacteria and viruses from passing through, preventing irritant gas from entering the eyes, being repeatedly used after being sterilized at high temperature and the like, and can be safely used in places such as chemical workshops and hospitals.
The above examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art that other variations and modifications in form or material, such as the conversion of a lens made of plastic into a lens made of plastic film, plastic sheet, glass or quartz, may be made in light of the above teachings. All obvious changes and modifications of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a totally enclosed goggles, its characterized in that includes the lens, is used for bearing the picture frame of lens, sealed seal element who leans on in the wearer face and be used for connecting the picture frame with seal element's frame, the lens comprises plastics, the picture frame comprises plastics or silicon rubber, the frame comprises silicon rubber, seal element comprises silicon rubber, plastics with the silicon rubber is the whole that forms through the thermosulfurization bonding, the seamless embedding of frame is equipped with one or more moisture vapor structure, moisture vapor structure is closely knit silicon rubber film or the silicon rubber film that the aperture is greater than 100 nm's through-hole.
2. A hermetically sealed goggle according to claim 1 wherein the silicone rubber membrane has a thickness of from 0.005 to 0.5 mm.
3. A hermetically sealed goggle according to claim 1 wherein the moisture permeable structure is one or more of circular, oval, rectangular, regular polygonal or trapezoidal circumscribing a circle having a diameter of 0.5mm or more.
4. The hermetically sealed goggles of claim 1, wherein the moisture permeable structures are distributed in a dispersed or concentrated manner in the frame, preferably the moisture permeable structures are distributed randomly or symmetrically in the frame, preferably the moisture permeable structures are distributed in a concentrated manner in one or more locations in the frame, more preferably the height of the rib between two adjacent moisture permeable structures is 2 times or more the thickness of the moisture permeable structure, and the width of the rib is 0.2-2.0 mm.
5. A fully sealed eye protector according to claim 1 wherein the silicone rubber membrane is a planar surface, a curved surface structure or a combination of a planar surface and a curved surface structure, preferably wherein the curved surface structure is one or more of a wave, a cone, a sphere, an ellipsoid, a cylinder or a fold.
6. A fully sealed goggle according to any of claims 1 to 5 wherein the plastic comprises general purpose and engineering plastics, preferably the plastic is one or more of transparent polymethylmethacrylate, polycarbonate, polyethylene terephthalate, nylon, polysulfone, acrylonitrile-styrene copolymer, poly-4-methyl-1-pentene, polyallyldiglycolate, polyvinyl chloride, polypropylene, polystyrene or phenolic resin, more preferably the plastic has a light transmittance of not less than 75% and the silicone rubber has a light transmittance of not less than 50%; most preferably, the plastic or the silicone rubber contains no or a small amount of a bluing agent, a fragrance, a colorant, a photochromic agent or a thermochromic agent.
7. A fully sealed goggle according to claim 6 wherein the failure mode of the initial adhesion between the plastic and silicone rubber and the adhesion failure mode after aging test at 85 ℃ and 85% relative humidity for 168 hours are cohesive failures and the area of the residual silicone rubber on the bonding surface of the plastic is not less than 10% of the total bonding area when the silicone rubber is pulled off or peeled from the plastic.
8. A fully sealed goggle according to claim 6 wherein the silicone rubber is a combination of two or more different hardness silicone rubbers, preferably the seal member has a hardness lower than the silicone rubber of the frame and frame members, more preferably the seal member has a Shore A hardness of 0 to 60 and the frame and frame silicone rubbers have a Shore A hardness of 40 to 90, most preferably the failure mode of the initial adhesion between the different hardness silicone rubbers and the adhesion failure mode after a high temperature and high humidity aging test at 85 ℃ and 85% relative humidity for 168 hours are cohesive failures, and the higher hardness silicone rubber has on its surface an area of residual rubber of the lower hardness silicone rubber of not less than 10% of the total adhesion area.
9. A hermetically sealed eye protective eyewear in accordance with claim 6, wherein at least one of the outer or inner surfaces of the plastic has a scratch and abrasion resistant coating, a hydrophilic or hydrophobic coating, having a thickness of not more than 2 μm, and/or an anti-fog coating, having a thickness of not more than 1 μm, preferably the outer surface of the silicone rubber has been treated by a UV modifier, the UV modifier treated silicone rubber has an outer surface having a coefficient of friction which is less than half the coefficient of friction of the silicone rubber before treatment, more preferably the outer surface of the silicone rubber has a coating of a resilient feel coating, or the outer surface of the silicone rubber other than the moisture permeable structure has a coating of a resilient feel coating, the thickness of the resilient feel coating is not more than 20 μm, or the outer surface of the silicone rubber has a coating of parylene, or the outer surface of the silicon rubber except the moisture-permeable structure is provided with a layer of parylene coating, the thickness of the parylene coating is not more than 5 mu m, or the outer surface of the silicon rubber is provided with a layer of Teflon coating, or the outer surface of the silicon rubber except the moisture-permeable structure is provided with a layer of Teflon coating, the thickness of the Teflon coating is not more than 5 mu m.
10. A fully sealable goggle according to claim 6 further comprising a strap removably connected to or integrally formed with said frame, preferably wherein said strap is formed of silicone rubber.
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