CN111728771A

CN111728771A - Manual defogging protective glasses

Info

Publication number: CN111728771A
Application number: CN202010737896.7A
Authority: CN
Inventors: 崔兵彦; 姚俊; 牛同锋; 刘红; 张毅; 周渝淞; 包玺; 鲁国林
Original assignee: Hubei Institute of Aerospace Chemical Technology
Current assignee: Hubei Institute of Aerospace Chemical Technology
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-10-02

Abstract

The invention discloses a pair of manual defogging protective glasses, which comprises lenses, a glasses frame and a water scraper, wherein the water scraper comprises a first joint, a scraping strip, a framework and a second joint; the framework is respectively connected with the first joint and the second joint, and the scraping strip is fixed on the framework and is tightly attached to the inner surface of the lens; the upper end and the lower end of the mirror frame are provided with guide rails, and the first joint and the second joint are respectively arranged on the guide rails at the upper end and the lower end of the mirror frame. The manual defogging protective glasses disclosed by the invention can be used for manually and repeatedly scraping water droplets by the water scraper which slides left and right without taking off the protective glasses, and the water droplets are discharged through the drainage channel of the glasses frame through the water chute, so that the clear sight is kept.

Description

Manual defogging protective glasses

Technical Field

The invention relates to the technical field of protective glasses, in particular to a pair of manual defogging protective glasses.

Background

Protective glasses are protection type glasses that can protect user's eyes, people need to wear protective glasses in the occasion that needs protected the eye, avoid eyes be injured, especially in medical occasion, medical personnel are under the condition of dressing complete set of protective clothing, wear behind the protective glasses, in internal a large amount of vapor volatilizees into the glasses, the air vent on the goggles is too late with saturated vapor escape, still have the drop of water to appear on the anti-fog glasses, influence user of service's sight ability.

Although the antifog goggles that medical use commonly used has at present adopted antifog lens, the lens internal surface still has the drop of water to appear after long-time the use, and the user of service can only take off the goggles, wipes the drop of water on the lens with the mirror cloth to keep the cleanness on lens surface, uses troublesome, brings the inconvenience for the user.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a pair of manual defogging glasses, which can remove water mist without being removed, and can scrape water droplets on the inner surface of the lens in time by manually sliding a water scraper, so as to keep the sight clear and facilitate the use.

The technical scheme adopted by the invention is as follows: a pair of manual defogging protective glasses comprises lenses, a glasses frame and a water scraper, wherein the water scraper comprises a first joint, a scraping strip, a framework and a second joint; the framework is respectively connected with the first joint and the second joint, and the scraping strip is fixed on the framework and is tightly attached to the inner surface of the lens; the upper end and the lower end of the mirror frame are provided with guide rails, and the first joint and the second joint are respectively arranged on the guide rails at the upper end and the lower end of the mirror frame.

Preferably, the wiper strip is fixed to the frame by a fastener.

Preferably, the first joint is mounted on a guide rail at the upper end of the frame; the second joint is arranged on a guide rail at the lower end of the mirror frame.

Preferably, the glasses frame further comprises a vent hole, and the vent hole is arranged at the upper part of the glasses frame.

Preferably, the glasses are further provided with a first shielding plate, the first shielding plate is provided with a first mounting strip, the length of the first mounting strip is smaller than that of the vent hole, and the first shielding plate is mounted in the vent hole, so that the vent hole is opened to form a T-shaped side and used for preventing dust, foreign matters and air flow from directly entering from the right top of the glasses.

Preferably, the glasses frame further comprises a ventilation limber hole and a second shielding plate, the ventilation limber hole is arranged at the lower part of the glasses frame, a second mounting strip is arranged on the second shielding plate, and the length of the second mounting strip is smaller than that of the ventilation limber hole and is mounted in the ventilation limber hole.

Preferably, the glasses frame further comprises a glasses belt, two ends of the glasses frame are provided with glasses belt holes, and the glasses belt penetrates through the glasses belt holes to be connected with the glasses frame.

Preferably, the lens is a resin lens, an optical glass or a polyurethane lens, the inner surface or/and the outer surface of the lens is/are coated with an antifogging coating, and the outer surface is also coated with a scratch-resistant coating.

Preferably, the material of the scraping strip is a soft material, the side surface of the scraping strip is an inwards concave arc surface, and the inwards concave part is a water chute.

Preferably, the soft material is silica gel or rubber.

The beneficial effects of the technical scheme are as follows:

(1) when the defogging protective glasses are used for a long time and the inner surface generates water drops, the protective glasses do not need to be taken off, the water drops on the inner surface of the lens can be scraped in time through the manual sliding water scraper, and the sight is kept clear.

(2) The water drops scraped by the water scraper are discharged through a drainage channel of the mirror frame, so that the clear sight is kept.

(3) The inner surface and the outer surface of the anti-fog lens are coated with anti-fog coatings, so that the anti-fog lens can play an anti-fog role for a long time.

(4) A first shielding plate is shielded above the vent holes of the defogging protective glasses, so that the vent holes are shielded, the vent holes are ventilated from the first channel on the side surface, a T-shaped side is formed, and dust, foreign matters, air flow and the like are prevented from directly entering the vent holes from the positions right above the glasses.

Drawings

FIG. 1 is a schematic view of a manual defogging safety eyewear according to the present invention;

FIG. 2 is a schematic view of the wiper of the present invention;

FIG. 3 is a cross-sectional view of the wiper strip of the present invention;

FIG. 4 is a side view of the wiper strip of the present invention;

FIG. 5 is a schematic structural diagram of the first and second shielding plates according to the present invention;

FIG. 6 is a schematic diagram of a first channel and a second channel according to the present invention;

the glasses comprise 1-lenses, 2-glasses belts, 3-first shielding plates, 31-first mounting strips, 4-water scrapers, 41-first joints, 42-scraping strips, 421-scraping strip surfaces, 422-scraping lines, 423-water guide grooves, 43-frameworks, 44-second joints, 45-fasteners, 5-glasses frames, 6-second shielding plates, 7-first channels and 8-second channels.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, which is defined by the claims, i.e., the invention is not limited to the preferred embodiments described.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "inner," "outer," and the like, indicate orientations and positional relationships that are merely convenient or simple to describe, but do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated, and thus are not to be considered limiting. The following description is given with reference to the orientation words as shown in the drawings, and is not intended to limit the specific structure of the present invention. In the description of the present invention, it should be further noted that the terms "mounted," "connected," and "connected" are to be construed broadly and their meanings in the present invention may be understood as appropriate by those skilled in the art, unless otherwise specifically defined or limited.

Example 1

As shown in fig. 1, 2 and 6, the invention provides a pair of manual defogging protective glasses, which comprises a lens 1, a glasses belt 2, a vent hole, a water scraper 4, a glasses frame 5 and a vent water hole, wherein a clamping groove is arranged in the glasses frame 5, and the lens 1 is arranged in the lens clamping groove of the glasses frame 5 through tight fit; the glasses belt 2 penetrates through the glasses belt hole to be connected with the glasses frame 5, and the glasses belt 2 has elasticity and can be fixed on the head of a wearer; the vent hole is arranged at the upper part of the lens frame 5, and hot air in the lens frame 5 is exhausted from the vent hole; the water scraper 4 comprises a first joint 41, a scraping strip 42, a framework 43 and a second joint 44, wherein the framework 43 is respectively connected with the first joint 41 and the second joint 44, the upper end and the lower end of the spectacle frame 5 are also provided with guide rails, the guide rails are positioned on the inner side (the side close to the eyes of a wearer) of the clamping groove, one part of the first joint 41 is arranged on the guide rails and forms an L shape with the framework 43, and the other part is arranged outside the guide rails and is used for the wearer to slide the first joint 41; the second joint 44 is installed on the guide rail, and forms an L shape with the framework 43, the first joint 41 is installed on the guide rail at the upper end of the lens frame 5, the second joint 44 is installed on the guide rail at the lower end of the lens frame 5, and the first joint 41 and the second joint 44 can slide left and right on the guide rail; the scraping strip 42 is fixed on the framework 43 through a fastener 45 and is tightly attached to the inner surface of the lens 1, and a wearer slides on the guide rail through sliding the first joint 41 on the water scraper 4 to drive the scraping strip 42 to scrape off water drops on the inner surface of the lens 1; the limbers of ventilating is seted up in the lower part of picture frame 5, be equipped with the second mounting bar on the second shielding plate 6, the length of second mounting bar is less than the length of second shielding plate 6, be less than the length of the limbers of ventilating, install in the limbers of ventilating, make second shielding plate 6 shelter from in the below of the limbers of ventilating, the limbers of ventilating forms second passageway 8 with second shielding plate 6, outside air passes through in second passageway 8 gets into picture frame 5, the water of scraping 4 scrapes passes through outside second passageway 8 discharge picture frame 5, the first joint 41 that slides many times, then can scrape the water droplet that produces on the lens 1 internal surface totally.

The lens 1 is a permanent antifogging lens, the lens 1 is a resin lens, such as a polycarbonate lens and CR-39, an antifogging coating is coated on the inner surface or the outer surface of the resin lens, and a scratch-resistant coating is further coated on the outer surface of the resin lens for hardening treatment to prevent scratches; and the inner surface and the outer surface can be coated with antifogging coatings, and the outer surface is coated with a scratch-resistant coating on the antifogging coatings for hardening treatment to prevent scratches.

The material of the scraping strip 42 is a soft material, such as silica gel and rubber; as shown in fig. 3 and 4, the structure of the wiper strip 42 is bilaterally symmetrical, the side surface of the wiper strip 42 is an inward concave arc surface, the inward concave part is a water guide groove 423, the wiper strip surface 421 directly contacts with the inner surface of the lens 1, and water scraped off by the wiper line 422 is discharged out of the lens frame 5 through the second channel 8 of the vent water hole along the water guide groove 423.

The material of the backbone 43 is a hard non-metal, such as ABS plastic, which has strength and rigidity to ensure that the blade surface 421 can contact the inner surface of the lens 1.

Each set of protective glasses is provided with two sets of water scrapers 4 which act on two sides of the two lenses 1 respectively; manually sliding the first joint 41 allows the wiper 4 to slide along the guides on the frame 5.

The scraping strip 42 is fixed on the framework 43 through fasteners 45, and the number of the fasteners 45 is determined according to the length of the scraping strip 42; the fastener 45 is, for example, a screw connection structure or a rivet connection structure.

As shown in fig. 1, a first shielding plate 3 is shielded above the vent hole; as shown in fig. 5, the first shielding plate is provided with a first mounting bar 31, and the length of the first mounting bar 31 is smaller than the length of the first shielding plate 3 and smaller than the length of the vent hole, and is mounted in the vent hole; the first shielding plate 3 is shielded above the vent hole, so that the vent hole is opened at the T-shaped side to form a first channel 7 for preventing dust, foreign matters and airflow from directly entering from the right upper part of the glasses; as shown in fig. 6, the hot air in the lens frame 5 is discharged from the first passage 7 formed by the vent hole and the first shielding plate 3, and the external excess is prevented from directly entering the lens frame 5.

After wearing the anti-eye glasses for a long time, the vapor in the inner space of the glasses frame reaches the saturation state, the water drops are separated out on the inner surface of the glasses, the sight of users is affected, the users can manually repeatedly slide the water scraper left and right, the water drops are scraped by the scraping lines on the water scraper, and the water drops pass through the water guiding groove and are discharged through the drainage channel of the glasses frame, so that the sight is kept clear.

When the inner surfaces of the lenses generate water drops, the manual defogging protective glasses do not need to be taken off, the water drops on the inner surfaces of the lenses can be timely scraped by manually sliding the water scraper, and the water drops scraped by the water scraper are discharged through the drainage channel of the lens frame, so that the clear sight is kept, and the manual defogging protective glasses are convenient to use.

The inner surface and the outer surface of the anti-fog lens are coated with anti-fog coatings, so that the anti-fog lens can play an anti-fog role for a long time.

The defogging protective glasses shield the first shielding plate above the vent hole, so that the vent hole is shielded directly above, the vent hole is ventilated from the first channel on the side surface, a T-shaped side opening is formed, and dust, foreign matters, air flow and the like are prevented from directly entering from the direct position above the glasses.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A pair of manual defogging protective glasses comprises lenses (1) and a glasses frame (5), and is characterized by further comprising a water scraper (4), wherein the water scraper (4) comprises a first joint (41), a scraping strip (42), a framework (43) and a second joint (44); the framework (43) is respectively connected with the first joint (41) and the second joint (44), and the scraping strip (42) is fixed on the framework (43) and is tightly attached to the inner surface of the lens (1); the upper end and the lower end of the mirror frame (5) are provided with guide rails, and the first joint (41) and the second joint (44) are respectively arranged on the guide rails at the upper end and the lower end of the mirror frame.

2. Manual defogging safety eyewear according to claim 1 wherein said wiper strip (42) is secured to said frame (43) by a fastener (45).

3. A manual defogging safety glasses according to claim 1 wherein said first connector (41) is mounted on a guide rail at the upper end of said frame (5); the second joint (44) is arranged on a guide rail at the lower end of the mirror frame (5).

4. A manual defogging safety spectacles according to claim 1, further comprising a vent hole disposed at an upper portion of the spectacle frame (5).

5. A manual defogging safety glasses according to claim 4, wherein a first shielding plate (3) is further provided, a first mounting strip (31) is provided on the first shielding plate (3), and the length of the first mounting strip (31) is smaller than the length of the vent hole, and the first mounting strip is mounted in the vent hole.

6. The manual defogging protective glasses according to claim 1, further comprising a ventilation and water passing hole and a second shielding plate (6), wherein the ventilation and water passing hole is arranged at the lower part of the glasses frame (5), the second shielding plate (6) is provided with a second mounting strip, the length of the second mounting strip is smaller than that of the ventilation and water passing hole, and the second mounting strip is mounted in the ventilation and water passing hole.

7. A manual defogging safety glasses according to claim 1 further comprising a lens strap (2), wherein both ends of the lens frame (5) are provided with a lens strap hole, and the lens strap (2) passes through the lens strap hole to be connected with the lens frame (5).

8. A manual defogging safety glasses according to claim 1 wherein said lens (1) is a resin lens, an optical glass or a polyurethane lens, the inner surface or/and the outer surface of which is coated with an antifogging coating, and said outer surface is further coated with a scratch resistant coating.

9. The manual defogging protective glasses according to claim 1, wherein the material of the scraping strip (42) is a soft material, the side surface of the scraping strip (42) is an inward concave arc surface, and the inward concave part is a water chute (423).

10. The manual defogging protective eyewear according to claim 9, wherein said soft material is a silicone or rubber.