CN112932786B - Full-sealed goggles - Google Patents

Abstract

The invention discloses fully sealed goggles, which include lenses, a frame for carrying the lenses, a sealing element that is sealed against the wearer's face, and a frame for connecting the frame and the sealing element. The lenses are made of plastic, and the frame It is made of plastic or silicone rubber. The frame is made of silicone rubber. The sealing element is made of silicone rubber. The plastic and silicone rubber are a whole body that is bonded by thermal vulcanization. The frame is seamlessly embedded with one or more moisture-permeable structures. The moisture-permeable structure is a dense silicone rubber film or a silicone rubber film without through holes with a pore diameter greater than 100nm. The thickness of the silicone rubber film is 0.005 to 0.5mm. The goggles do not contain vents through which liquid or solid particles can pass, but they have a moisture-permeable structure that can discharge the water vapor generated by the eyes through the water vapor permeability of the silicone rubber film, and fit well with the human face, so it is A fully sealed goggle that has the advantages of anti-spit splash, dust-proof, waterproof, anti-blood passage, anti-bacteria and virus passage, can prevent irritating gases from entering the eyes, and can be used repeatedly after high-temperature sterilization and disinfection. It is safe It is widely used in chemical workshops, hospitals and other places.

Description

A fully sealed goggles

Technical field

The present invention belongs to the technical field of glasses and relates to a kind of goggles, particularly but not exclusively to health protection goggles, swimming goggles and other sports goggles used in laboratories, workshops and hospitals.

Background technique

When conducting chemical experiments in the laboratory or during production in chemical and chemical workshops, it is often necessary to protect the eyes and wear eye masks or goggles. Since the components of current eyecups or goggles are often assembled, there are more or less gaps between the components. As a result, when external conditions occur, the components are easily deformed, resulting in the inability to maintain a tight connection between the components. This creates gaps, and the gaps between the components become larger over time during use, making it easier for harmful liquids or irritating gases to enter the eye mask, causing harm to the human body.

When a doctor performs an operation, in order to prevent the medicine and the patient's blood from splashing on the face or eyes and causing infection or other injuries, the doctor needs to wear protective goggles. Generally, they can be used together with masks, surgical caps, etc. to protect the doctor's head. Comprehensive protection.

However, in some traditional medical goggles, the components are assembled and are prone to deformation when external conditions change. During use, the gaps between the components will become larger and larger, resulting in weakened protective capabilities. Moreover, some traditional medical goggles are also equipped with two or four ventilation holes. Therefore, when the human body wears such goggles, although the water vapor generated in the eyes and other parts can easily escape from the goggles, The goggles are discharged from the vent holes, but external gases, liquids and solid particles can easily enter the goggles from the vent holes. In addition, because the Shore A hardness of the soft plastic or soft rubber parts in some traditional medical goggles that are in contact with the human face is not low, the Shore A hardness value is often above 50, so it is difficult to determine when a person wears it. The protective goggles fit closely against the human face and are not comfortable to use.

The Chinese patent document with application number 03237806.8 discloses a protective eye mask, which includes an eye mask frame and a lens. The lens is embedded in a groove on the inside of the front end of the eye mask frame with a certain depth that can cover the eyes and close to the surroundings of the eyes. This kind of direct mechanical combination of lenses and eye mask frames will easily create gaps in the connection after long-term use, and droplets or liquid may enter the inside of the glasses through the gaps. This type of protective eye mask needs to be soaked during disinfection. The potion cannot be directly used repeatedly through high-temperature sterilization and disinfection, which in turn increases the cost of use and shortens the service life.

In order to improve the sealing between the combined goggle lenses and the frame, technicians have designed some methods. The Chinese patent document with application number 201910565299.8 discloses a kind of goggles, which includes: a lens assembly: including a front lens and a rear lens, the front lens is provided with an inlaid groove on the periphery, and a sealing strip is provided inside the inlaid groove. The periphery of the rear lens matches the periphery of the inlaid groove of the front lens, and the rear lens is combined with the front lens through a sealing strip to form an integrated body. The use of sealing strips is an innovative point of this patent document, but the use of sealing strips results in poor air permeability and cannot discharge moisture in the goggles in time.

Contents of the invention

In view of the above-mentioned problems of goggles, the present invention provides a fully sealed goggles, which uses silicone rubber to directly and seamlessly connect or bond the lenses, frames, frames and sealing elements into a whole. The characteristics of the film achieve excellent sealing between lenses, frames, frames and sealing components, as well as between goggles and the human face, without the use of ventilation holes or sealing strips. At the same time, the moisture in the goggles can be discharged in a timely manner, which is an ideal state.

The invention provides fully sealed goggles, which include lenses, a frame for carrying the lenses, a sealing element that is sealed against the wearer's face, and a frame for connecting the frame and the sealing element. The lens is made of plastic, the frame is made of plastic or silicone rubber, the frame is made of silicone rubber, the sealing element is made of silicone rubber, and the plastic and silicone rubber are bonded by thermal vulcanization. Overall, the frame is seamlessly embedded with one or more moisture-permeable structures, and the moisture-permeable structures are dense silicone rubber films or silicone rubber films without through-holes with a pore diameter greater than 100 nm.

In some embodiments, the thickness of the silicone rubber film that can be used in the present invention is 0.005 to 0.5 mm. Among them, silicone rubber is one of the polymer materials with the highest water vapor transmission rate. The creative point of the present invention is to utilize the high water vapor transmittance of silicone rubber to achieve the purpose of allowing water vapor generated in the eyes to pass through the silicone rubber. When the thickness of the silicone rubber is relatively thin, or when the silicone rubber becomes a silicone rubber film with a sufficiently thin thickness (not greater than 0.50mm), the amount of moisture passing through the film will increase significantly, which can reduce the moisture generated in the human eye. Passes through the silicone rubber membrane without producing liquid that condenses on the lens within the goggles.

In some embodiments, illustrative examples of moisture-permeable structures that can be used in the present invention include, but are not limited to, a circle, an ellipse, a rectangle, a regular polygon or a trapezoid whose circumscribed circle diameter is greater than or equal to 0.5 mm.

In some embodiments, the moisture vapor permeable structures that can be used in the present invention are distributed in the frame in a dispersed or aggregated manner.

In some embodiments, the moisture-permeable structures that can be used in the present invention are randomly distributed or symmetrically distributed on the frame.

In some embodiments, the moisture vapor permeable structures that can be used in the present invention are distributed on the frame in multiple clusters at one or more locations.

In some embodiments, the height of the rib between two adjacent moisture-permeable structures that can be used in the present invention is greater than or equal to 2 times the thickness of the moisture-permeable structure, and the width of the rib is 0.2-2.0 mm.

In some embodiments, illustrative examples of silicone rubber films that can be used in the present invention include, but are not limited to, flat surfaces, curved surface structures, or a combination of flat surfaces and the curved surface structures.

In some embodiments, exemplary examples of curved surface structures that can be used in the present invention include, but are not limited to, wavy, conical, spherical, ellipsoidal, cylindrical, or folded, etc., or planar and these curved surface structures. The combination. In vapor-permeable structures, these curved surfaces have a larger specific surface area than flat surfaces.

In some embodiments, the lens assembly that can be used in the present invention is made of plastic, where the plastic includes general plastics and engineering plastics. Engineering plastics with better mechanical properties and heat resistance can be selected to make the lenses. However, it is not ruled out that general plastics such as transparent polyvinyl chloride, polypropylene, and polystyrene can be used to make lenses.

In some embodiments, illustrative examples of plastics that can be used in the present invention include, but are not limited to, clear polymethyl methacrylate, polycarbonate, polyethylene terephthalate, nylon, polysulfone, acrylonitrile - In styrene copolymers, poly4-methyl-1-pentene, polyallyl diglycol carbonate, polyvinyl chloride, polypropylene, polystyrene or phenolic resins.

In some embodiments, the light transmittance of plastics that can be used in the present invention is not less than 75%, and the light transmittance of silicone rubber that can be used in the present invention is 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 anti-blue light agents, fragrances, colorants, photochromic agents or thermochromic agents to add additional functions to the goggles. Among them, goggles containing photochromic agents can protect against sunlight (when there is sunlight, the lenses containing photochromic agents can change from colorless to colored to absorb part of the sunlight), and goggles with fragrances are Scents are created so that people like them, and goggles that contain colorants can come in beautiful colors.

In some embodiments, the silicone rubber and plastic that can be used in the present invention are bonded by thermal vulcanization.

In some embodiments, the failure mode of the initial bond between plastic and silicone rubber that can be used in the present invention and the bond after undergoing a high temperature and high humidity aging test at a temperature of 85°C, a relative humidity of 85%, and a time of 168 hours The failure mode is cohesive failure. When the silicone rubber is pulled or peeled off from the plastic, the area of silicone rubber residue on the plastic bonding surface shall not be less than 10% of the total bonding area. . There is silicone rubber residue on the plastic bonding surface, indicating that the failure mode of the plastic and silicone rubber bonding is cohesive failure rather than interface failure. The bond between plastic and silicone rubber is very dense and strong.

In some embodiments, silicone rubber that can be used in the present invention is composed of a combination of two or more silicone rubbers of different hardnesses.

In some embodiments, the hardness of the silicone rubber that can be used in the sealing elements of the present invention is lower than that of the silicone rubber of the frames and frames.

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 frame has a Shore A hardness of 40 to 90.

In some embodiments, the failure mode of the initial adhesion between silicone rubbers of different hardnesses that can be used in the present invention and the adhesion after a high-temperature and high-humidity aging test at a temperature of 85°C, a relative humidity of 85%, and a time of 168 hours are determined. The combined failure mode is cohesive failure. The area of residual glue of the smaller hardness silicone rubber on the surface of the higher hardness silicone rubber is not less than 10% of the total bonding area.

In some embodiments, at least one of the outer surface or the inner surface of the plastic that can be used in the present invention has a layer of anti-scratch and wear-resistant coating, hydrophilic coating or hydrophobic coating with a thickness of no more than 2 μm, and /Or there is an anti-fog coating with a thickness not greater than 1μm.

In some embodiments, the outer surface of the silicone rubber that can be used in the present invention is processed by a UV modifying machine, and the friction coefficient of the outer surface of the silicone rubber treated by the UV modifying machine is less than half of the friction coefficient 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 elastic feel paint, or the outer surface of the silicone rubber except for the moisture vapor permeable structure has a layer of elastic feel paint coating, the elasticity The coating thickness of the hand-feel paint shall not exceed 20 μm, or the outer surface of the silicone rubber shall have a layer of parylene coating, or the outer surface of the silicone rubber except for the moisture-permeable structure shall have a layer of parylene coating , the thickness of the parylene coating does not exceed 5 μm, or the outer surface of the silicone rubber has a layer of Teflon coating, or the outer surface of the silicone rubber except for the moisture-permeable structure has a layer of Teflon coating , the thickness of the Teflon coating does not exceed 5 μm.

In some embodiments, a tie strap is further included, and the tie strap is detachably connected to or integrally formed with the frame.

In some embodiments, straps capable of being used in the present invention are constructed of silicone rubber.

In some embodiments, the frame of the goggles that can be used in the present invention is provided with 10-20 moisture-permeable structures with a silicone rubber film thickness of 0.05mm, and the area of the silicone rubber film in each moisture-permeable structure is 20-20 mm. Between 80mm 2 , the shape of the silicone rubber film of the moisture-permeable structure is circular or oval, and the moisture-permeable structure is symmetrically distributed on the frame of the goggles with the center line of the nose bridge as the axis of symmetry.

In some embodiments, the moisture vapor permeable structures that can be used in the present invention are distributed in a clustered manner on the frame of the goggles. Two or more places on the frame of the goggles have two or more side lengths that are clustered together. It is a regular hexagonal silicone rubber film of 1.0-5.0mm. The thickness of the silicone rubber film is 0.01-0.1mm. The width of the ribs between two adjacent silicone rubber films is 0.25-1.0mm. The height of the ribs is 0.2-2.0mm. .

Beneficial effects: The goggles made of plastic and silicone rubber in the present invention do not contain ventilation holes through which liquid or solid particles can pass, but have a moisture-permeable structure, which can discharge water generated in the eyes through the water vapor permeability of the silicone rubber film. vapor, and fits well on the human face, so it is a fully sealed goggle, which is anti-spit splash, dust-proof, waterproof, anti-blood passage, anti-bacterial virus passage, can prevent irritating gases from entering the eyes, and can pass through It has the advantages of repeated use after high-temperature sterilization and disinfection, and can be safely used in chemical workshops, hospitals and other places.

Description of the drawings

In order to explain the technical solutions of the present invention more clearly, the drawings needed to be used in the embodiments or description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a fully sealed goggle provided by the present invention.

Figure 2 is a partial structural schematic diagram of a fully sealed goggle provided by the present invention.

Figure 3 is a schematic structural diagram of a fully sealed goggle provided by the present invention.

Figure 4 is a partial structural schematic diagram of a fully sealed goggle provided by the present invention.

Figure 5 is a schematic structural diagram of a fully sealed goggle provided by the present invention.

Figure 6 is a partial structural schematic diagram of a fully sealed goggle provided by the present invention.

Figure 7 is a schematic structural diagram of a fully sealed goggle provided by the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without any creative work fall within the scope of protection of the present invention.

Example

As shown in Figure 1, a fully sealed goggle is made of a lens made of a colorless and transparent engineering plastic polycarbonate 1, a frame made of silicone rubber with a Shore A hardness of 50 2, and a frame made of Shore A hardness 50 silicone rubber. A is composed of a frame 4 made of silicone rubber with a hardness of 50 that is connected to the spectacle frame and a sealing element 6 that is in contact with the wearer's face. In this goggle, the silicone rubber material of the frame 2 and the polycarbonate material of the lens 1 are bonded through a hot vulcanization molding process. There are 10 circular silicone rubber films with a diameter between 5.0mm and 7.5mm and a thickness between 0.03mm and 0.05mm on the silicone rubber frame 4. As shown in Figure 2, the silicone rubber film is located on the frame 4. On the inner surface (that is, the side close to the human face when worn), there are two silicone rubber bayonet 3 for installing straps on the frame 4;

The polycarbonate lens 1 and the silicone rubber frame 2 are thermally vulcanized to form a strongly bonded composite. There are two methods for preparing this complex.

Method 1: The silicone rubber used to prepare the silicone rubber frame 2 is prepared from the addition-type liquid silicone rubber KE-1950-5A glue and B glue produced by Japan's Shin-Etsu Company. Before the polycarbonate lens 1 and the silicone rubber frame 2 are thermally vulcanized, the part of the polycarbonate lens 1 that needs to be bonded to the silicone rubber (this part is located around the polycarbonate lens 1) is treated with an adhesion promoter. . The adhesion promoters (or treatments) used are commercially available. This embodiment uses the liquid silicone adhesive PC treatment agent KJ-770-50X9-60C of Shenzhen Kejia Adhesive Materials Co., Ltd. The treatment method is: clean the lens first, then evenly apply a thin layer of adhesion promoter KJ-770-50X9-60C on the interface to be bonded with silicone rubber around the polycarbonate lens 1, and then Dry at room temperature (drying time is about 2 hours) to allow the adhesion promoter KJ-770-50X9-60C to solidify on the surface of the carbonate lens 1 to form a film. Put the obtained carbonate lens 1 into the mold cavity, use a liquid silicone rubber injection molding machine to mix the above components A and B evenly and inject them into the mold cavity. The temperature of the mold cavity is 120°C, 120s Then take it out to obtain a composite of polycarbonate lens 1 and silicone rubber (including silicone rubber frame 4), which is a fully sealed goggles in the present invention.

Method 2: The silicone rubber used to prepare the silicone rubber frame 2 is a commercially available self-adhesive liquid silicone rubber. In this method, PC self-adhesive liquid silicone rubber KL-F6050A glue and B glue from Shenzhen Kanglibang Technology Co., Ltd. are used. In this method, the polycarbonate lens can be used as long as it is kept clean or needs to be cleaned without using an adhesion promoter. Put the clean polycarbonate lens 1 into the mold cavity with a temperature of 120°C. Mix KL-F6050 A glue and B glue evenly and inject it into the mold cavity. After 120 seconds, the polycarbonate lens 1 is also obtained. and silicone rubber (including silicone rubber frame 4), which is also a fully sealed goggles in the present invention.

In the goggles obtained by the above two methods, the failure mode of the initial bond between plastic (polycarbonate) and silicone rubber and the high temperature and high humidity aging test at a temperature of 85°C, a relative humidity of 85%, and a time of 168 hours The final bonding failure modes are all cohesive failure; when the silicone rubber is pulled or peeled off the plastic, the area of silicone rubber residue on the plastic surface is not less than 10% of the total bonding area, which shows that The bond between plastic and silicone rubber is dense and strong.

Put the goggles obtained in this example into a high-temperature steam sterilization pot, stay at 121-126°C for 30 minutes, take them out, and repeat the operation 10 times. The tested goggles were inspected and found to be intact, with a strong bond between the silicone rubber and plastic and no cracks in the moisture-permeable structure.

Comparative example 1:

Comparative Example 1 The method for preparing goggles is the same as Method 1 in Example 1, but the polycarbonate lens 1 is not treated with any adhesion promoter or treatment agent before being thermally vulcanized with the liquid silicone rubber. The adhesive force between the silicone rubber and the polycarbonate lens in the obtained goggles is very low. The silicone rubber and the lens can be separated by hand, and there is no silicone rubber residue on the lens. The performance of such goggles is extremely poor, the components are easily separated, and they cannot meet the requirements of full sealing of the goggles.

Comparative example 2

The goggles prepared in Comparative Example 2 are the same as the goggles described in Example 1, except that the goggles prepared in Comparative Example 2 do not have any moisture vapor permeable structure.

We compare the goggles produced in Example 1, Comparative Example 1 and Comparative Example 2.

Tap water was placed in the goggles prepared in Example 1 and the goggles prepared in Comparative Example 2 respectively. The goggles are placed flat on the table, with the lens down and the frame facing up. The amount of tap water contained is just enough to prevent the tap water from overflowing the goggles. Within 24 hours, tap water did not leak or seep from the goggles, nor did it leak or seep from the moisture-permeable structure of the goggles prepared in Example 1. Tap water was placed in the goggles prepared in Comparative Example 1 and Comparative Example 2 respectively. Observation within 24 hours showed that the tap water did not leak out from the goggles prepared in Comparative Example 2, but it was found that tap water leaked from the goggles prepared in Comparative Example 1. The resulting goggles oozed from the junction of silicone rubber and plastic.

A small amount of dry ice was placed in the goggles prepared in Example 1, and the fog generated by the dry ice was not found to penetrate from the moisture-permeable structure of the goggles prepared in Example 1.

Five workers in the vulcanization workshop were asked to wear the goggles prepared in Example 1 and the goggles prepared in Comparative Example 2 and work for 4 hours. It was found that the lenses of the goggles prepared in Example 1 and The inner and outer surfaces of the silicone rubber frame are very dry and the lens has good transparency. However, the inner surface of the lens and the inner surface of the silicone rubber frame of the goggles produced in Comparative Example 2 were not dry, there were fog droplets on the lens, and the transparency of the lens was adversely affected.

Example

As shown in Figure 3, a fully sealed goggle consists of a lens 1 made of engineering plastic polycarbonate, a frame 2 made of silicone rubber, a frame 4 connected to the frame, and a sealing element in contact with the human face. Composed of 6, there are 10 moisture-permeable structures on the silicone rubber frame 4. The moisture-permeable structures are circular silicone rubber films with a diameter of 2.5-5mm and a thickness of 0.1mm. The frame 4 is made of two silicone rubber materials. Strap bayonet 3 for installing straps. As shown in Figure 4, the silicone rubber film is located on the outer surface of the frame 4 (that is, the side away from the human face when worn).

Among them, the Shore A hardness of the silicone rubber used in the frame 4 that is in contact with the human face is 10±2, while the silicone rubber Shore A used in the frame 2, the frame 4 connected to the frame, the moisture-permeable structure 5 and the strap bayonet 3 A hardness is 60±2.

In this embodiment, the polycarbonate lens 1 and the silicone rubber frame 2 are firmly bonded through thermal vulcanization. In this goggle, the failure mode of the initial bond between polycarbonate and silicone rubber and the bonding failure mode after a high temperature and high humidity aging test at a temperature of 85°C, a relative humidity of 85%, and a time of 168 hours are both. It is cohesive failure; when the silicone rubber is pulled or peeled off from the polycarbonate, the area of silicone rubber residue on the polycarbonate surface shall not be less than 10% of the total bonding area; silicone rubber is composed of two In goggles, the bonding between silicone rubbers of different hardnesses is strong. The failure mode and passing temperature of the initial bonding between silicone rubbers of different hardnesses are 85℃, The bonding failure modes after the high-temperature and high-humidity aging test with a relative humidity of 85% and a time of 168 hours are all cohesive failure. There is an area of residual glue of the silicone rubber with a smaller hardness on the surface of the silicone rubber with a higher hardness. Less than 10% of the total bonded area.

Example

As shown in Figure 5, a fully sealed goggle consists of a lens 1 made of engineering plastic polycarbonate, a frame 2 made of silicone rubber, a frame 4 connected to the frame, and a sealing element in contact with the human face. Composed of 6, there are 10 moisture-permeable structures on the silicone rubber frame 4. The moisture-permeable structures are diamond-shaped silicone rubber films with a thickness of 0.1mm. The frame 4 is made of two silicone rubber straps for installing straps. With bayonet 3. As shown in Figure 6, the silicone rubber film is located in the middle of the frame 4.

Among them, the Shore A hardness of the silicone rubber used in the frame 4 that is in contact with the human face is 10±2, while the silicone rubber Shore A used in the frame 2, the frame 4 connected to the frame, the moisture-permeable structure 5 and the strap bayonet 3 A hardness is 60±2.

In this embodiment, the polycarbonate lens 1 and the silicone rubber frame 2 are firmly bonded through thermal vulcanization. In this goggle, the initial bonding failure mode between engineering plastics and silicone rubber and the bonding failure mode after a high temperature and high humidity aging test at a temperature of 85°C, a relative humidity of 85%, and a time of 168 hours are both Cohesive failure; when the silicone rubber is pulled or peeled off from the engineering plastic, the area of silicone rubber residue on the surface of the engineering plastic shall not be less than 10% of the total bonding area; silicone rubber is composed of two or more In goggles, silicone rubbers with different hardnesses are bonded firmly. The initial bonding failure mode and the temperature of silicone rubbers with different hardnesses are 85°C and relative humidity. 85%, the bonding failure modes after the high temperature and high humidity aging test for 168 hours are all cohesive failure. The area of residual glue of the smaller hardness silicone rubber on the surface of the higher hardness silicone rubber is not less than the total adhesion. 10% of the total area.

Example

A fully sealed goggle is the same as the goggle described in Embodiment 1. The difference is that the moisture-permeable structure is composed of four square films with a side length of 2.0 mm and a thickness of 0.01-0.1 mm combined in a Tian-shaped manner. Formed together, the width of the rib between two adjacent films is 0.50mm, and the height of the rib is 1.0mm.

Example

A fully sealed goggle is the same as the goggle described in Embodiment 1. The difference is that the moisture-permeable structure is composed of regular hexagonal films with a side length of 2.0 mm and a thickness of 0.01-0.1 mm combined in a honeycomb manner. Formed together, the width of the rib between two adjacent films is 0.50mm, and the height of the rib is 1.0mm.

Example

As shown in Figure 7, the structure of the goggles of this embodiment is the same as that of Embodiment 1. The difference is that there is no strap bayonet for installing straps, but a strip with a width of about 6.0mm, a thickness of about 1.0mm, and a length of A silicone rubber band 7 with a value between 35-45mm is connected to the original bayonet position. The silicone rubber band is the same as the silicone rubber used in the frame.

Example

The structure of the goggles of this embodiment is the same as that of Embodiment 1, except that a UV modifying machine is used to perform UV modification treatment on the outer surface of the silicone rubber of the goggles. The UV modification treatment uses ultraviolet light (UV) of a specific wavelength to modify the surface of silicone rubber, causing oxygen in the air to chemically react with the surface of silicone rubber, thereby causing the chemical composition and physical properties of the silicone rubber surface to change. changes occur.

In the UV modification treatment of the present invention, 112 low-pressure mercury lamps with a length of 725mm and a power of 160W are used as UV light sources to irradiate the rotating silicone rubber surface. The wavelength of each UV light source is 185-254nm. The UV light source irradiation time is set at 30-120 minutes until the static friction coefficient of the silicone rubber outer surface drops to half or less than before UV irradiation. UV light with a wavelength of 254nm irradiates the silicone rubber surface. After the silicone rubber surface absorbs the UV external light of this wavelength, the primary and side bonds of the silicone rubber surface molecules are cut off, and the oxygen in the atmosphere absorbs ultraviolet photons with a wavelength of 185nm. Ozone O ₃ and atomic oxygen O are produced. The produced O ₃ has a strong absorption effect on ultraviolet light with a wavelength of 254 nm. Under the action of photons, ozone will decompose into oxygen and atomic oxygen. Because atomic oxygen is extremely active, these atoms Oxygen will combine with the cut surface molecules to form oxygen-containing functional groups (such as -OH, -C=O, -CHO, -COOH, etc.) on the silicone rubber surface, thereby changing the feel and friction coefficient of the silicone rubber surface.

The static friction coefficient of silicone rubber before UV modification is about 1.2. After UV modification, the static friction coefficient of the outer surface of the silicone rubber of goggles is about 0.4-0.5.

Example

A fully sealed goggle is the same as the goggle described in Example 1, but with two differences:

One of the differences is that the lens 1 is made of a polycarbonate resin or polyvinyl chloride resin containing a photochromic agent. The photochromic agent used is photochromic OP powder, and the content of OP powder is 0.5wt. %-1.0wt%. After being irradiated by sunlight or ultraviolet rays, the lens 1 absorbs the energy of sunlight or ultraviolet rays, and the OP powder changes its molecular structure, resulting in a change in the absorption wavelength, thereby producing a change in color. When sunlight or ultraviolet rays are lost, OP powder restores its original molecular structure and changes to its original color.

The second difference is that the silicone rubber frame 4 and the moisture-permeable structure 5 contain a transparent blue colorant. The blue colorant used is phthalocyanine blue, and the content of phthalocyanine blue is 0.01wt%-0.5wt%.

The goggles made of plastic and silicone rubber in the embodiment of the present invention do not have ventilation holes through which liquid or solid particles can pass, but have a moisture-permeable structure to discharge the water vapor generated in the eyes through the water vapor permeability of the silicone rubber film. , and fit well on the human face, so it is a fully sealed goggles, anti-spit splash, dust-proof, waterproof, anti-blood passage, anti-bacteria and virus passage, can prevent irritating gases from entering the eyes, and can pass through high temperatures It has the advantages of repeated use after sterilization and disinfection, and can be safely used in chemical workshops, hospitals and other places.

The above-mentioned embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the implementation of the present invention. For those of ordinary skill in the field, on the basis of the above description, other changes and modifications can be made to the material or appearance, such as changing the lens from plastic to the lens from plastic film, Made of plastic sheet, glass or quartz. All obvious changes or modifications derived from the technical solutions of the present invention are still within the protection scope of the present invention.

Claims (18)

1. A fully sealed goggles, characterized in that it includes lenses, a frame for carrying the lenses, a sealing element that seals against the wearer's face, and a sealing element for connecting the frame and the sealing element. Frame, the lens is made of plastic, the frame is made of plastic or silicone rubber, the frame is made of silicone rubber, the sealing element is made of silicone rubber, the plastic and the silicone rubber are thermally vulcanized and bonded The frame is seamlessly embedded with one or more moisture-permeable structures, and the moisture-permeable structures are dense silicone rubber films or silicone rubber films without through-holes with a pore diameter greater than 100nm; the silicone The thickness of the rubber film is 0.005 to 0.5mm; the moisture-permeable structure is one or more of a circle, an ellipse, a rectangle, a regular polygon or a trapezoid with a circumscribed circle diameter greater than or equal to 0.5mm; the moisture-permeable structure is The structure is distributed in the frame in a dispersed or aggregated manner; the silicone rubber film is a flat surface, a curved surface structure, or a combination of a flat surface and the curved surface structure. 2. A fully sealed goggles according to claim 1, characterized in that the moisture-permeable structure is distributed in the frame in one or more gathering places. 3. The fully sealed goggles according to claim 1, wherein the moisture-permeable structures are randomly distributed or symmetrically distributed on the frame. 4. A fully sealed goggles according to claim 1, characterized in that the height of the edge between two adjacent moisture vapor permeable structures is greater than or equal to 2 times the thickness of the moisture vapor permeable structure, and the The width of the rib is 0.2-2.0mm. 5. A fully sealed goggles according to claim 1, characterized in that the curved surface structure is one of wavy, conical, spherical, ellipsoidal, cylindrical or folded. or more. 6. A fully sealed goggles according to claim 1, characterized in that the plastic includes general plastics and engineering plastics. 7. A fully sealed goggles as claimed in claim 6, characterized in that the plastic is transparent polymethyl methacrylate, polycarbonate, polyethylene terephthalate, nylon, One of polysulfone, acrylonitrile-styrene copolymer, poly4-methyl-1-pentene, polyallyl diglycol carbonate, polyvinyl chloride, polypropylene, polystyrene or phenolic resin, or Various. 8. A fully sealed goggles according to claim 6, characterized in that the light transmittance of the plastic is not less than 75%, and the light transmittance of the silicone rubber is not less than 50%. 9. A fully sealed goggles according to claim 6, characterized in that the plastic contains no or a small amount of anti-blue light agent, fragrance agent, colorant, photochromic agent or thermochromic agent. 10. A fully sealed goggles according to claim 1, characterized in that the silicone rubber is composed of two or more silicone rubbers with different hardnesses. 11. The fully sealed goggles according to claim 10, wherein the hardness of the silicone rubber of the sealing element is lower than the hardness of the silicone rubber of the frame and frame. 12. A fully sealed goggles according to claim 10, wherein the Shore A hardness of the silicone rubber of the sealing element is 0 to 60, and the Shore A hardness of the silicone rubber of the frame and frame is 0 to 60. Hardness is 40 to 90. 13. A fully sealed goggles according to claim 10, characterized in that the initial bonding failure mode and passing temperature between silicone rubbers of different hardnesses are 85°C, the relative humidity is 85%, and the time is 168 hours. The bonding failure modes after the high temperature and high humidity aging test are all cohesive failure. The area of residual glue of the smaller hardness silicone rubber on the surface of the higher hardness silicone rubber is not less than 10% of the total bonding area. 14. A fully sealed goggles according to claim 1, characterized in that at least one of the outer surface or the inner surface of the plastic has an anti-scratch and wear-resistant coating with a thickness of no more than 2 μm. Hydrophilic coating or hydrophobic coating, and/or an anti-fog coating with a thickness not greater than 1 μm. 15. A fully sealed goggles as claimed in claim 14, wherein the outer surface of the silicone rubber is processed by a UV modifying machine, and the friction coefficient of the outer surface of the silicone rubber treated by the UV modifying machine is Less than half the friction coefficient of silicone rubber before treatment. 16. A fully sealed goggles according to claim 14, characterized in that the outer surface of the silicone rubber has a coating of elastic feel paint, or the outer surface of the silicone rubber except for the moisture-permeable structure has a A layer of elastic feel paint coating, the thickness of the elastic feel paint coating does not exceed 20 μm, or the outer surface of the silicone rubber has a layer of parylene coating, or the silicone rubber has a moisture-permeable structure There is a layer of polyparaxylene coating on the outer surface, and the thickness of the polyparaxylene coating does not exceed 5 μm. Alternatively, the outer surface of the silicone rubber has a layer of Teflon coating, or the silicone rubber is not only moisture-permeable. The outer surface of the structure has a Teflon coating with a thickness not exceeding 5 μm. 17. The fully sealed goggles according to claim 1, further comprising a strap, the strap being detachably connected to or integrally formed with the frame. 18. The fully sealed goggles according to claim 17, wherein the strap is made of silicone rubber.