CN212520962U

CN212520962U - Antifog paster for safety helmet

Info

Publication number: CN212520962U
Application number: CN202020683495.3U
Authority: CN
Inventors: 余中义
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-12
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses an antifog paster for safety helmet, including full frame gluey antifog diaphragm, antifog diaphragm body, anti UV's colored diaphragm, polarizing film piece, lens and safety helmet, be provided with antifog diaphragm body on the antifog diaphragm of full frame glue, and a side of antifog diaphragm body is equipped with anti UV's colored diaphragm to the another side of antifog diaphragm body is equipped with polarizing film piece, the inboard edge of antifog diaphragm body is glued there is one deck colloid frame, the antifog diaphragm of full frame glue is pasted in the lens department of safety helmet front side through the colloid frame. The antifogging patch for the safety helmet can be tightly attached to various plane, cylindrical or spherical lenses through the all-plastic frame glue, and the problem that bubbles are easily generated between the attaching surfaces of the all-plastic film attaching method is solved. And forming an airtight space with the lens through the whole frame glue to block heat conduction so as to prevent fog from being generated, so that the definition of the sight of a user is maintained, and meanwhile, the possibility that the user is exposed because the sight is shielded is avoided.

Description

Antifog paster for safety helmet

Technical Field

The utility model relates to an antifog paster technical field specifically is an antifog paster for safety helmet.

Background

The safety helmet is personal head protection equipment, can effectively balance and lighten the force of impacting the head, and prevents and reduces the injury to the head of a human body. The application of the safety helmet is widely seen in various industries such as buildings, traffic and the like. The types of safety helmets on the market are numerous at present, wherein the half-cover type or full-cover type safety helmets are the most popular. In addition to wearing a safety helmet to protect the head, a user also typically attaches a lens to the front of the safety helmet to protect the face. In sunny days, the lens can resist sunlight to avoid directly irradiating the face, in severe weather, cold weather can be avoided from directly invading the face, foreign matters such as insects, small stones or dust can be prevented from attacking the face, however, in the weather or when the temperature of the external environment is lower, moisture in the air is probably condensed due to the temperature difference formed between the heat of a user and the external environment, fog is generated on the lens, and the fog on the lens cannot be rapidly dissipated due to the temperature difference. Before the fog is completely dissipated, because the sight of the user is in a state of being vague, or completely shielded, dangerous, if the user is driving the locomotive or doing other dangerous work at the moment, accidents are very likely to happen, which not only endangers the safety of the user, but also is more likely to injure innocent people to cause irretrievable tragedy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antifog paster for safety helmet to solve the current antifog paster for safety helmet that proposes in the above-mentioned background art, when using, easily produce fog and shelter from user's sight, and when attached lens, the problem of easy gassing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an antifog paster for safety helmet, includes that frame glue antifog diaphragm, antifog diaphragm body, anti UV's colored diaphragm, polarizing film piece, lens and safety helmet entirely, it is provided with antifog diaphragm body on the antifog diaphragm to seal frame glue entirely, and a side of antifog diaphragm body is equipped with anti UV's colored diaphragm to the another side of antifog diaphragm body is equipped with polarizing film piece, the inboard edge of antifog diaphragm body is glued there is one deck colloid frame, frame glue antifog diaphragm entirely and paste in the lens department of safety helmet front side through the colloid frame.

Preferably, the full-frame adhesive antifogging film is attached to the positions of the lenses and the eyes of the wearer, and a release film completely covering the film is attached to the front of the full-frame adhesive antifogging film.

Preferably, the protective strip is pasted on the front side edge of the antifogging membrane body and is arranged in a downward inclined mode, and the antifogging membrane body is made of a transparent triacetate fiber film.

Preferably, the two sides of the anti-fog film body are provided with holding lugs, and the holding lugs are made of the same material as the anti-fog film body.

Preferably, the colloid frame is made of EVA foam adhesive tape.

Preferably, an airtight space is formed between the lens and the full-frame glue antifogging membrane.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-fog patch for the safety helmet is improved, so that the problem of bubbles generated between the anti-fog patch and a lens when the anti-fog patch is attached is effectively avoided, and fog is avoided;

1. the full frame glue is tightly attached to various plane, cylindrical or spherical lenses, and the problem that bubbles are easily generated between the attachment surfaces of the full frame glue and the lenses when the full frame glue is adopted for full-surface attachment is solved.

2. The full frame glue is attached to the lens, so that an airtight space is formed between the full frame glue antifogging membrane structure and the lens, heat conduction is blocked to prevent fog from being generated, the definition of the sight of a user is maintained, and the possibility of accidents caused by the fact that the sight of the user is shielded is avoided;

3. the front side of gluing antifog diaphragm at whole frame is provided with the protective strip of slope, can protect antifog diaphragm body to prevent the stop of rainwater, and glue the both sides of antifog diaphragm at whole frame and be provided with the lug of holding, the person of facilitating the use glues taking of antifog diaphragm through holding the lug to whole frame, is favorable to gluing antifog diaphragm attached on the lens entirely.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the antifogging membrane for the whole frame glue of the present invention;

fig. 2 is a schematic view of the decomposition structure of the antifogging film of the whole frame glue of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the antifogging membrane for the all-frame glue of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the attached state of the antifogging membrane and the lens of the full frame glue of the present invention;

fig. 5 is a schematic view of a first shape structure of the full frame glue antifogging membrane of the present invention;

fig. 6 is a schematic diagram of a second shape structure of the full frame glue antifogging membrane of the present invention;

fig. 7 is a schematic view of the front view structure of the antifogging membrane attached to the helmet lens of the utility model.

In the figure: 1. a full frame glue antifogging film; 2. a protective strip; 3. an anti-fog film body; 4. a gripping tab; 5. a colloid frame; 6. a UV resistant colored film; 7. a polarizing film; 8. an airtight space; 9. a lens; 10. a safety helmet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an antifog paster for safety helmet, glue antifog diaphragm 1 including whole frame, protective strip 2, antifog diaphragm body 3, hold lug 4, colloid frame 5, anti UV's coloured diaphragm 6, polarizing film 7, airtight space 8, lens 9 and safety helmet 10, be provided with antifog diaphragm body 3 on the antifog diaphragm 1 is glued to whole frame, and one side of antifog diaphragm body 3 is equipped with anti UV's coloured diaphragm 6, and the another side of antifog diaphragm body 3 is equipped with polarizing film 7, the inboard edge of antifog diaphragm body 3 is glued and is had one deck colloid frame 5, antifog diaphragm 1 is glued through colloid frame 5 to whole frame and is pasted in lens 9 departments of safety helmet 10 front side.

The material strip of the antifogging membrane body 3 is formed by splitting a triacetate fiber film. The anti-fog film body 3 cracked by the materials has the optical characteristics of high transparency, no rainbow veins and the like, and provides good watching sight for users.

The antifogging film body 3 is prepared by a cracking method and comprises the following steps:

performing an alkalization treatment, a neutralization washing step and a drying step on a main component of triacetyl cellulose (or called as triacetyl cellulose film) of the antifogging film body 3;

the cellulose triacetate strips are subjected to an alkalization treatment by an alkaline etching solution having a concentration of 6 to 9%;

the cellulose triacetate can be a common commercially available cellulose triacetate film with a thickness of 25 μm to 270 μm, preferably 60 μm to 270 μm, such as 60 μm, 120 μm, 180 μm and 270 μm;

the alkalization step is to hydrolyze a part or most of-0C 0CH3 groups of cellulose triacetate to hydrophilic-0H groups to form highly hydrophilic surface structures;

wherein the alkaline etching solution is preferably, but not limited to, sodium hydroxide or potassium hydroxide;

the temperature of the alkaline etching solution is 40 to 60 ℃, preferably 50 to 60 ℃, and most preferably 60 ℃;

an immersion time image of the alkalization treatment is performed for 30 seconds or more, preferably 30 seconds to 80 seconds, and most preferably 60 seconds;

the thickness of the anti-fog film body 3 is preferably about 40 μm to 250 μm;

the antifogging film body 3, after the alkalization treatment of the triacetyl cellulose film, has a water contact angle of preferably less than 30 °, more preferably less than 25 °, and the term "water contact angle" refers to the included angle formed by contacting the solid surface at the liquid/gas interface;

the alkalization step makes the surface of the cellulose triacetate membrane have high hydrophilic property, the hydrophilic property is determined by the contact angle of the surface to water drops, the smaller the water contact angle is, the higher the hydrophilic property is, and conversely, the higher the water contact angle is, the hydrophilicity is not good;

in the above cracking method, the neutralization and water washing step is performed with pure water, which may be, but not limited to, pure water, ion-exchange water, ultrasonic pure water, etc.;

the liquid temperature is preferably 20 to 60 ℃, more preferably 30 to 50 ℃;

the immersion time is preferably 15 seconds or more, more preferably 20 seconds or more;

in the above-mentioned cracking method, the heat source used in the drying step can be selected according to the requirement, but not limited to, a drying oven containing Hot plate (Hot plate) or a drying oven containing far Infrared Ray (IR), the drying is performed by Hot air drying, the temperature is about 50 to 100 ℃, preferably 60 to 90 ℃, the drying time depends on the thickness of the cellulose triacetate film, for example, when the thickness of the film is 25 μm, the drying time is preferably 60 seconds, and in a preferred embodiment, the antifogging film body 3 can be a transparent film.

The total light transmittance of the transparent film is about more than 92%, and the transparent film has higher transmittance, so that the transparent film has no ultraviolet shielding effect, in a better implementation mode, the antifogging film body 3 can be further attached with an anti-UV colored film 6 in front of the film or behind the film, or the antifogging film body 3 is further subjected to anti-UV dyeing treatment, the total light transmittance of the colored film is about more than 60%, the color of the film is brown orange, gray blue and the like, the antifogging film body 3 has the ultraviolet shielding effect by dyeing or additionally attaching the antifogging film body 3 to the colored film, and eye damage or pathological changes such as keratitis, conjunctivitis, cataract and the like caused by excessive ultraviolet absorption of eyes of a user are avoided.

In a preferred embodiment, the 3 pieces of antifogging film body can further attach a polarizing film sheet 7 for eliminating polarization to the front or back of the film, or the antifogging film body 3 is further processed by polarization, the total light transmittance of the polarizing film sheet 7 is about more than 40%, which can eliminate various disordered lights such as reflected light, strong light, glare and the like, reduce the reflection of light on the road surface, water surface or snow, and maintain the definition of the sight of the user.

In a preferred embodiment, a release film can be attached to the front of the membrane to completely cover the front of the membrane, and the release film is configured to provide a protective packaging film to prevent the antifogging membrane body 3 from being damaged and being unusable before use, thereby avoiding material waste.

Referring to fig. 5-6, two embodiments of the shape of the anti-fog film body 3 are illustrated. The anti-fog film body 3 of fig. 5 appears to have a somewhat rhombus-like appearance. The anti-fogging film body 3 of fig. 6 has a smooth appearance, and the conditions of the size, shape, and function of the anti-fogging film body 3 can be implemented by selecting a method capable of obtaining the best effect of the product according to the needs of the manufacturer, which is not limited.

The colloid frame 5 is arranged at the edge of the back of the membrane and forms a frame shape along the edge.

The antifogging membrane body 3 can be attached to various lenses on planes, cylindrical surfaces or spherical surfaces through the colloid frame 5, so that the problem that the spherical lenses 9 are not beneficial to overall attachment is solved, and the problem that bubbles are easily generated between attachment surfaces of an integral adhesive film attachment method is also improved.

In a preferred embodiment, the colloid frame 5 is not limited to EVA foam tape, and the EVA foam tape has the characteristics of moisture resistance, solvent resistance and good heat resistance, and is suitable for being used as a bonding tool for attaching the antifogging film body 3 to various lenses 9.

Referring to fig. 4, the full frame adhesive antifogging film 1 is attached to the lens 9. The antifogging membrane body 3 is attached to the lens 9 through the colloid frame 5 and forms the airtight space 8 with the lens 9, and because air is a poor conductor, when air is in a non-flowing state, the air is not beneficial to the conduction of a heat source, so the airtight space 8 can effectively block the conduction of the heat source, fog is prevented from being generated in the area of the lens 9 attached to the antifogging membrane body 3, and clear sight of a user is provided.

Referring to fig. 7, the full-frame adhesive antifogging film 1 is attached to the lens 9 in the front of the helmet 10, the full-frame adhesive antifogging film 1 is attached to the lens 9 at a position corresponding to the positions of the eyes of the user, and when the full-frame adhesive antifogging film 1 is attached to the sight range of the eyes of the user, the sight range can be ensured not to be shielded due to the generation of fog, so as to maintain the definition of the sight of the user, and simultaneously avoid the possibility of accidents caused by the shielded sight of the user.

This antifog paster for safety helmet's use method: when the anti-fog patch for the safety helmet is used, as shown in fig. 1-7, a user can firstly tear off the protective film on the inner side of the all-frame glue anti-fog membrane 1, and pinch the holding convex pieces 4 on two sides of the all-frame glue anti-fog membrane 1 with two hands, at this time, the all-frame glue anti-fog membrane 1 can be pasted on the lens 9 on the front side of the safety helmet 10 through the glue frame 5, the anti-fog membrane body 3 at the position of the all-frame glue anti-fog membrane 1 is positioned right in front of the eyes of the wearer, and after pasting, the release film on the protective strip 2 on the front side of the all-frame glue anti-fog membrane 1 is torn off, so that a series of operations of the anti-fog patch for the safety helmet can be completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an antifog paster for safety helmet, includes full frame glue antifog diaphragm (1), antifog diaphragm body (3), anti UV's colored diaphragm (6), polarizing diaphragm (7), lens (9) and safety helmet (10), its characterized in that: frame entirely and glue and be provided with antifog diaphragm body (3) on antifog diaphragm (1), and the side of antifog diaphragm body (3) is equipped with anti UV's colored diaphragm (6) to the another side of antifog diaphragm body (3) is equipped with polarizing diaphragm (7), the inboard edge gluing of antifog diaphragm body (3) has one deck colloid frame (5), frame entirely and glue antifog diaphragm (1) and paste lens (9) department in safety helmet (10) front side through colloid frame (5).

2. The anti-fog patch for a safety helmet according to claim 1, wherein: the full frame glue antifogging film (1) is attached to the positions of the lenses (9) and the eyes of a wearer, and a release film which completely covers the film is attached to the front of the full frame glue antifogging film (1).

3. The anti-fog patch for a safety helmet according to claim 1, wherein: the front side face of the antifogging film body (3) is glued with the protection strips (2), the protection strips (2) are arranged in a downward inclined mode, and the antifogging film body (3) is made of a transparent triacetate fiber film.

4. The anti-fog patch for a safety helmet according to claim 1, wherein: the anti-fog film is characterized in that the two sides of the anti-fog film body (3) are respectively provided with a holding lug (4), and the holding lug (4) is made of the same material as the anti-fog film body (3).

5. The anti-fog patch for a safety helmet according to claim 1, wherein: the colloid frame (5) is made of EVA foam adhesive tape.

6. The anti-fog patch for a safety helmet according to claim 1, wherein: an airtight space (8) is formed between the lens (9) and the full-frame glue antifogging membrane (1).