Safety goggles structure

The present invention discloses a safety goggles structure having a frame connecting portion, a frame latch portion, two frame snap-in portions, a lens connecting portion, a lens latch portion, two lens snap-in portions and two elastic buckles to mount a lens onto a frame for achieving the effect of securely connecting the frame and the lens or improving their connecting stability. With an upper guide channel slantingly and concavely disposed on the frame and a lower guide channel vertically up-and-down and concavely disposed on the frame, gases and liquids can pass through without producing fogs and accumulating liquid on the lens, and foreign substances cannot enter into the safety goggles easily to cause any safety issue. With the design of an upper gutter on the frame, liquid splashed onto the safety goggles can flow along either side of the upper gutter to prevent liquid accumulation or leaking.

FIELD OF THE INVENTION

The present invention relates to a safety goggles structure, and more particularly to a safety goggles structure capable of improving the connecting stability and preventing fogs and liquid accumulations or leaks.

BACKGROUND OF THE INVENTION

At a general construction site, workers usually wear a pair of goggles to protect their eyes from foreign matters such as dusts, pebbles and liquid splashes produced during constructions.

Traditional goggles are nothing more than a structure composed of a frame and lenses latched and connected with each other, but the design of the latch and connected structure is very simple, and thus the frame and the lenses may be easily separated from each other when the goggles are worn or removed.

In addition, fogs are easily produced on the lenses of the goggles in the situation when the temperature changes or when the workers inhale and exhale, and thus causing a safety issue during construction. To overcome the issue of having fogs on the lenses, the present safety goggles come with the design of air holes, but the air holes constitute a leak of the safety goggles, and the foreign matters such as dusts, pebbles, and liquid splashes still have chances to enter into the safety goggles or damage the eyes of construction workers.

Referring to FIG. 4 for U.S. Pat. Application No. 2004/0117898, a design of safety goggles for providing an anti-fog effect and protecting eyes is disclosed. However, if liquid splashes (such as rain water) enter into the safety goggles, liquid splashes are accumulated in the air holes to clog the air holes and disables the function of the air holes. After the liquid is accumulated constantly, the issues of overflows and leaks arise.

Therefore, it is a subject of the present invention to develop a safety goggles structure capable of improving the connecting stability of the safety goggles structure and preventing fogs, liquid accumulations and leaks.

SUMMARY OF THE INVENTION

In view of the foregoing shortcomings of the prior art, the inventor of the present invention has conducted extensive researches and experiments based on years of experience in the related field and finally invented a safety goggles structure to achieve the effect of improving the connecting stability of the safety goggles structure and preventing fogs, liquid accumulations and leaks.

The primary objective of the present invention is to provide a safety goggles structure for improving the connecting stability of the safety goggles structure and preventing fogs, liquid accumulations and leaks.

To achieve the foregoing objective, the safety goggles structure of the invention comprises:

a frame substantially in a ring-shape and having an opening around the frame, and the frame includes a frame connecting portion, a frame latch portion, two frame snap-in portions, at least one upper guide channel, at least one lower guide channel and an upper gutter, wherein the frame connecting portion is disposed at the top of the frame, and the frame latch portion is disposed at the bottom of the frame, and the two frame snap-in portions are disposed respectively on both lateral sides of the frame, and the upper guide channel is slantingly and concavely disposed at the front side of the top of the frame and interconnected to the opening and the exterior of the frame, and the lower guide channel is vertically up-and-down and concavely disposed at the bottom of the front side of the frame and interconnected to the opening and the exterior of the frame, and the upper gutter is concavely disposed at an upper side of the frame, and each of the two frame snap-in portions has a stop portion separately;

a lens, covered onto the opening, and having a periphery covered onto the upper guide channel and the lower guide channel, and the lens having a lens connecting portion, a lens latch portion and two lens snap-in portions, wherein the lens connecting portion is disposed at the top of the lens and latched to the frame connecting portion, and the lens latch portion is disposed at the bottom of the lens and latched to the frame latch portion, and the two lens snap-in portions are disposed on both lateral sides of the lens and latched to the two frame snap-in portions respectively, and each of the two lens snap-in portions includes a snap-in hole separately;

and two elastic buckles, having a top pressing edge separately, and inserted and latched into the two snap-in holes respectively, wherein the two top pressing edges abut the two stop portions respectively.

With the aforementioned design of various latch structures, the present invention achieves the effect of securely connecting the frame and the lens when the goggles structure is in use, so as to improve the connecting stability.

With the upper guide channel slantingly and concavely disposed at the top of the front side of the frame and upwardly tapered and the lower guide channel disposed at the bottom of the front side of the frame and upwardly tapered, air enters from the bottom and discharges from the top when the safety goggles structure of the invention is in use, so as to achieve the effect of distributing gases. In other words, the lens will not produce fogs. With the slanting design, foreign substances such as dusts, pebbles and liquid splashes will not enter into the safety goggles easily or damage the eyes of workers. The upper guide channel and the lower guide channel come with an upwardly tapered design. From conservation of mass, if air flows from a large cross-sectional area to a small cross-sectional area, the speed of the air flow will become larger, such that a jet flow is formed when the air enters into the lens and then discharges from the lens. In addition to the improvement of the anti-fog effect in the lens, the present invention can also enhance the heat dissipating effect.

With the upwardly tapered design of the upper guide channel and the upper gutter, liquid splashed onto the safety goggles will not enter into the safety goggles easily, since the upwardly tapered upper guide channel provides a small outlet for discharging the airflow. The liquid splashes will flow down along both lateral sides of the upper gutter without causing the issue of accumulating liquid. If liquid overflows from the upper guide channel into the safety goggles, the liquid will flow down along the slanting and concaved upper guide channel and the internal surface of the lens to the lower guide channel vertically up-and-down and concavely disposed at the bottom so as to effectively avoid liquid from contacting a wearer's eyes.

DESCRIPTION OF THE PREFERRED EMBODIMENT

Referring toFIG. 1for an exploded view of a preferred embodiment of the present invention, a safety goggles structure1of the invention comprises a frame2, a lens3and two elastic buckles4.

With reference toFIGS. 1 and 2,FIG. 2shows a perspective view of a frame in accordance with a preferred embodiment of the invention from another viewpoint, the frame2is substantially in a ring-shape and has an opening21around the frame2, and the frame2includes a frame connecting portion22, a frame latch portion23, two frame snap-in portions24, at least one upper guide channel251, at least one lower guide channel252and an upper gutter26. The frame connecting portion22is disposed at the top of the frame2, and the frame latch portion23is disposed at the bottom of the frame2, and two frame snap-in portions24are disposed on both lateral sides of the frame2respectively, and the upper guide channel251is upwardly tapered and slantingly and concavely disposed at the top of the front side of the frame2and interconnected with the opening21and the exterior of the frame2, and the lower guide channel252is upwardly tapered and concavely disposed at the bottom of the front side of the frame2and interconnected to the opening21and the exterior of the frame2, and the upper gutter26is disposed at the upper side of the frame2, and each frame snap-in portion24includes a stop portion241.

In this embodiment, the frame connecting portion22is a baffle221, and the baffle221has an external baffle periphery2211, and the frame latch portion23has a latch protrusion231, and two stop portions241are L-shaped embedding hooks disposed on both lateral sides of the frame2respectively, and the frame2is divided into a front portion28and a rear portion29, and the front portion28of the frame2is made of a hard material, and the rear portion29of the frame2is made of a soft material, and the rear portion29of the frame2is attached to the front portion28of the frame2after a secondary processing, and the soft material made rear portion29of the frame2provides a comfortable wearing of the safety goggles structure1.

With reference toFIGS. 1 and 3,FIG. 3shows a perspective view of a lens in accordance with a preferred embodiment of the invention from another viewing angle, the lens3comprises a lens connecting portion32, a lens latch portion33and two lens snap-in portions34. The lens connecting portion32is disposed at the top of the lens3, and the lens latch portion33is disposed at the bottom of the lens3, and the two lens snap-in portions34are disposed on both lateral sides of the lens3, and each lens snap-in portion34includes a snap-in hole341and an embedding edge342.

In this preferred embodiment, the lens connecting portion32is a notch321having an internal notch rim3211and a flange3212disposed at the bottom of the notch321, and the lens latch portion33includes a latch groove331, and the latch protrusion231and the latch groove331are in a backwardly tapered shape.

With reference toFIGS. 4 and 5,FIG. 4shows a perspective view of an elastic buckle in accordance with a preferred embodiment of the present invention andFIG. 5shows a perspective view of an elastic buckle in accordance with a preferred embodiment of the present invention from another viewing angle. Each of the two elastic buckles4has a top pressing edge41, at least one connecting hole42, a wedge-shaped connector43and at least one wedge-shaped protrusion44, and the wedge-shaped connector43can be elastically rotated along with the elastic buckle4.

With reference toFIGS. 1 to 5as well asFIGS. 6 to 10,FIG. 6shows a perspective view of a preferred embodiment of the present invention, andFIG. 7shows a cross-sectional view of Section A-A ofFIG. 6, andFIG. 8shows a bottom view of a portion ofFIG. 6, andFIG. 9shows a cross-sectional view of Section B-B ofFIG. 6, andFIG. 10shows a cross-sectional view of Section C-C ofFIG. 6.

When the lens3and the frame2are assembled, the lens3is covered onto the opening21and the periphery of the lens3is covered onto the upper guide channel251and the lower guide channel252, and the lens connecting portion32of the lens3is latched to the frame connecting portion22of the frame2, and the lens latch portion33of the lens3is latched to the frame latch portion23of the frame2, and the two lens snap-in portions34of the lens3are snapped into the two frame snap-in portions24of the frame2. In other words, the baffle221of the frame connecting portion22is latched into the notch321of the lens connecting portion32, such that the external baffle rim2211is attached onto the internal notch rim3211, and the baffle221stops the flange3212, and the latch groove331of the lens latch portion33is latched with the latch protrusion231of the frame latch portion23, and the two L-shaped embedding hooks of the frame2are embedded with the two embedding edges342of the lens3respectively.

When the lens3and the frame2are assembled, the lens3is tilted slightly such that the baffle221of the frame connecting portion22is latched to the notch321of the lens connecting portion32, such that the external baffle rim2211is attached with the internal notch rim3211, and the baffle221stops the flange3212. If it is necessary to move the lens3forward, the forward movement of the lens3will be limited, since the baffle221stops the flange3212. If it is necessary to move the lens3backward or downward, the backward and downward movements of the lens3will be limited, since the lens3is covered onto the periphery of the frame2. If it is necessary to move the lens3to the left or the right, the external baffle rim2211will limit the left and right movements of the internal notch rim3211, since the baffle221is latched with the notch321. Therefore, the left and right movements of the lens3are limited. If it is necessary to move the lens3upward, the external baffle rim2211will limit the upward movement of the bottom of the notch321, since the baffle221is latched with the notch321. Therefore, the upward movement of the lens3will be limited. In summation, the movements of the lens3in six directions are all limited, and thus the lens3is mounted onto the frame2. The bottom of the lens3is pushed gently to latch the latch groove331of the lens latch portion33with the latch protrusion231of the frame latch portion23of the frame2. Since the latch protrusion231and the latch groove331come with a backwardly tapered design (as shown inFIG. 8), the forward movement of the bottom of the lens3is limited, therefore the lens3can be mounted onto the frame2.

After the lens3is mounted onto the frame2, each elastic buckle4is inserted and snapped into each snap-in hole341of the lens3, and each top pressing edge41abuts each stop portion241of the frame2, and the rear edge of each wedge-shaped connector43abuts the rear edge of each snap-in hole341. In the foregoing process, the wedge-shaped connector43of the elastic buckle4is elastic, such that when the wedge-shaped connector43of the elastic buckle4is inserted into the snap-in hole341, the wedge-shaped connector43can be turned elastically and slightly first and then inserted into the snap-in hole341. After the wedge-shaped connector43is inserted into the snap-in hole341, the elastic wedge-shaped connector43resumes its original position to latch the snap-in hole341. Further, the rear edge of the wedge-shaped connector43of the elastic buckle4abuts the rear edge of the snap-in hole341of the lens3, and the top pressing edge41of the elastic buckle4abuts the stop portion241of the frame2, such that the lens3can be securely mounted onto the frame2by the foregoing connecting and latching methods.

With reference toFIGS. 1 to 10as well asFIG. 11,FIG. 11shows a schematic view of an application mode of a safety goggles structure in accordance with a preferred embodiment of the invention, the safety goggles structure1, the frame2further comprises a circular flexible edge27disposed around the rear side of the frame2, and the two elastic buckles4have two connecting holes42for separately connecting to both ends of a headband5. When the safety goggles structure is used, the headband5is provided for a user's head (not shown in the figure) to wear the safety goggles. With the circular flexible edge27, the frame2is in contact with a worker's head tightly and comfortably. In addition, the two elastic buckles4have at least one wedge-shaped protrusion44separately for stopping the headband5from sliding. InFIG. 11, the wedge-shaped protrusions44are disposed on the external side of the elastic buckle4. Of course, the wedge-shaped protrusions44can be designed to be disposed on the internal side of the elastic buckle4as well.

In summation, the design of various latching structures in accordance with the present invention provides a secured connection of the frame2and the lens3of the safety goggles structure1, such that the frame2or the lens3will not separate from each other when a user wears or removes a goggle, or removes the elastic buckle4for cleaning or maintenance, so that the frame2or the lens3will not be damaged by falling down onto the ground.

With the upwardly tapered upper guide channel251slantingly and concavely disposed at the top of the front side of the frame2and the upwardly tapered lower guide channel252disposed at the bottom of the front side of the frame2, air enters from the bottom and discharges from the top to achieve the purpose of circulating air when a user wears the safety goggles structure1. In other words, the lens3will not produce fogs. With the foregoing slanting design, foreign substances such as dusts, pebbles and liquid splashes will not enter into the safety goggles or damage the eyes of a worker. In addition, the upper guide channel251and the lower guide channel252come with an upwardly tapered design. Based on the conservation of mass, when air flows from a large cross-sectional area to a small cross-sectional area, the speed of airflow becomes larger, such that a jet flow is formed when the air enters into the lens3first and then discharges from the lens3, so as to improve the anti-fog efficiency in the lens3as well as the heat dissipating efficiency in the lens3.

With the upwardly tapered design of the upper guide channel251and the design of the upper gutter26, liquid splashed onto the safety goggles will not enter into the safety goggles easily, since the upwardly tapered upper guide channel251provides a small outlet for discharging the airflow. The liquid splashes will flow down along both lateral sides of the upper gutter26without causing the issue of accumulating liquid. If liquid overflows from the upper guide channel251into the safety goggles, the liquid will flow down along the slanting and concaved upper guide channel251and the internal surface of the lens3to the lower guide channel252vertically up-and-down and concavely disposed at the bottom so as to effectively avoid liquid from contacting a wearer's eyes.

In summation of the description above, the present invention improves the connecting stability and prevents fogs, liquid accumulations and leaks by an improved structural design, and complies with the patent application requirements, and thus is duly filed for patent application.