CN212466337U

CN212466337U - Prevent eyeshade of fogging

Info

Publication number: CN212466337U
Application number: CN202020602954.0U
Authority: CN
Inventors: 刘向民; 曹四峰; 吴青松
Original assignee: Dongguan Puw Eptfe Material Co ltd
Current assignee: Dongguan Puw Eptfe Material Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-02-05
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a prevent eyeshade of hazing, its include integrated into one piece's eye-shade body, and set up with the looks adaptation in lens in the eye-shade body, in be provided with the fixed cover of wearing that is used for closely laminating face portion on the eye-shade body, all sides of eye-shade body run through and are provided with a plurality of part mount pads, the interference is provided with the part of preventing hazing on the part mount pad, just the part mount pad with the junction of the part of preventing hazing does not have the space. The utility model has no gap at the joint between each component, effectively prevents virus from spreading through spittle, pollution liquid or aerosol, prevents harmful dust, corrosive chemicals, toxic and harmful pollution liquid and the like, and greatly improves the barrier property of the protective eyeshade; and through setting up the anti-fogging part, atmospheric pressure and temperature inside and outside the protection eye-shade in time of balancing to the realization is when isolated external pollution, the inside heat of protection eye-shade is discharged effectively, in order to prevent to fog and influence the visuality of lens.

Description

Prevent eyeshade of fogging

Technical Field

The utility model relates to a protective eye cover production technical field, concretely relates to prevent eyeshade of fogging.

Background

Human eyes are damaged or infected by splashing contact of harmful dust, corrosive chemicals, toxic and harmful polluted liquid, viruses and the like, particularly virus transmission, such as: SARS virus, new coronavirus and the like can be transmitted through three ways of flying saliva or polluted fluid transmission, aerosol transmission, direct contact transmission and the like, and if the eyes are not well protected, medical care personnel and people with serious epidemic situation can be infected due to the ways of splashing contact of vomit, polluted fluid, aerosol and the like of patients, lacrimal duct transmission and the like. Therefore, the safety of the user is directly affected by the barrier property of the safety eyepatch as an important protective device for protecting the eyes, but the safety eyepatch in the prior art has the following problems:

(1) make completely sealed eyeshield according to human engineering, can effectively keep apart poisonous and harmful substance, virus etc. and the prevention user of service receives damage, infection, but the inside heat of completely sealed eyeshield can't give off, because wear the eyeshield for a long time, this eyeshield inside temperature risees, and ambient temperature is unchangeable, then eyeshield lens both sides produce the difference in temperature, will have vapor to adhere to on the lens, influence the visuality of lens. Especially, medical care personnel in hospital operation, and users in chemical or harmful dust environment are in polluted environment conditions, or are not suitable to be taken down and cleaned in time under the condition that hands and clothes are polluted, so that the work is seriously influenced by unclear vision, and even work errors and industrial injuries are caused.

(2) The protective eyeshade is provided with small holes or a labyrinth-shaped plastic part with a bent channel is arranged on the protective cover, so that the problem of fogging is solved, but the protective eyeshade has poor sealing property, cannot normally isolate viruses and toxic and harmful substances, and is easy to cause people to be infected.

Therefore, the prior art goggles still need to be further improved, and particularly, the technical problem of how to effectively discharge heat inside the goggles while isolating external pollution so as to prevent fogging from affecting the visibility of the lenses is solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model discloses an anti-fogging protective eye cover.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:

the utility model provides an anti-fogging's eyeshade, its include integrated into one piece's eye-shade body and set up with the looks adaptation in lens in the eye-shade body in be provided with the fixed cover of wearing that is used for closely laminating human face portion on the eye-shade body, week side of eye-shade body is run through and is provided with a plurality of part mount pads, the interference is provided with anti-fogging part on the part mount pad, just the part mount pad with the junction of anti-fogging part does not have the space.

Foretell protection eye-shade of preventing fogging, wherein the valve body and the fixed lower cover that prevent the part of fogging set up including the looks adaptation, the inside of valve body is provided with the ventilated membrane mounting groove, in install first waterproof ventilated membrane on the ventilated membrane mounting groove.

Foretell anti-fogging's eyeshield, wherein the valve body includes integrated into one piece's installation end and ventilative end, runs through the installation end is equipped with first through-hole, just ventilative membrane mounting groove ring is located on the inner peripheral surface of installation end, ventilative end including around ventilative wall that first through-hole set up and cover in upper cover on the ventilative wall, be provided with a plurality of first bleeder vents on the ventilative wall.

In the anti-fogging eye shield, the second air holes penetrate through the fixed lower cover and are arranged corresponding to the first through holes.

In the above-mentioned antifogging eyeshade, a fixing installation groove attached to the component installation seat is provided on the outer circumferential surface of the installation end.

In the anti-fogging protective eye shield, the mounting end is provided with the plurality of fixing blind holes, and the fixing lower cover is provided with the fixing columns corresponding to the fixing blind holes in a matched manner.

The anti-fogging protective eye shield is characterized in that the anti-fogging part is a second waterproof breathable film, and the second waterproof breathable film is attached to the part mounting seat.

In the anti-fogging eye shield, the first waterproof breathable film and the second waterproof breathable film are selected from a PU microporous breathable film, an EPTFE or PVDF microporous breathable film, or a composite film formed by compounding the EPTFE or PVDF microporous breathable film and a PP nonwoven fabric or a PET nonwoven fabric, or one of an electret melt-blown nonwoven fabric and an SM or SMs spunbond-melt-blown composite nonwoven fabric.

Foretell prevent protection eye-shade of hazing, wherein around the internal face of eye-shade body is provided with the lens mounting groove, the lens looks adaptation ground card is arranged in the lens mounting groove, be provided with a plurality of location archs that are used for fixing a position on the lens mounting groove, correspond on the lens location archs looks adaptation ground and be provided with positioning groove.

In the anti-fogging protective eyeshade, the elastic fixing parts are arranged on the two sides of the eyeshade body, and the elastic fixing parts connected with the two sides of the eyeshade body are provided with the elastic.

The utility model has the advantages that:

(1) the anti-fogging part is arranged on the eyeshade body, so that the air pressure and temperature inside and outside the protective eyeshade are balanced in time, the heat inside the protective eyeshade is effectively discharged while external pollution is isolated, and the influence of fogging on the visibility of lenses is prevented;

(2) the fixed cover, the eyeshade body, the component mounting seat and the anti-fogging component are tightly arranged, so that no gap exists between the joints, viruses are effectively prevented from being transmitted through spit, pollution liquid or aerosol, harmful dust, corrosive chemicals, toxic and harmful pollution liquid and the like are prevented from entering the protective eyeshade, and the barrier property of the protective eyeshade is greatly improved;

(3) when the temperature in the protective eye shield rises, the internal air pressure is increased, and the internal air can be exhausted to the outside through the anti-fogging part, so that the temperature in the protective eye shield is reduced, and fogging is avoided; when the internal pressure of the protective eye shield is lower than the external air pressure, the external air enters the protective eye shield through the anti-fogging part, the air pressure and the temperature on the inner side and the outer side of the protective eye shield are balanced, and fogging is prevented;

(4) the upper cover and the air permeable wall in the anti-fogging part are combined for use, so that timely air permeability is realized, external pollutants can be prevented from directly splashing on the first waterproof air permeable film, and even if the external pollutants enter the first air permeable holes, the external pollutants can be blocked by the first waterproof air permeable film, and the external pollution is further isolated;

(5) the protective eyeshade is simple in assembly and production process, strong in installation firmness and suitable for large-batch industrial production.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;

fig. 2 is a schematic front view of embodiment 1 of the present invention;

fig. 3 is an exploded view of the anti-fogging member according to example 1 of the present invention;

fig. 4 is a schematic cross-sectional view of a valve body according to embodiment 1 of the present invention;

fig. 5 is a schematic front view of a lens according to embodiment 1 of the present invention;

fig. 6 is a schematic perspective view of embodiment 2 of the present invention.

Detailed Description

The present invention is further described below with reference to specific embodiments, so that the technical solution of the present invention is easier to understand and master, rather than to limit the present invention.

Example 1: referring to fig. 1 to 5, the protective eyewear provided in this embodiment includes an integrally formed eyewear body 1 and lenses 2 adaptively disposed in the eyewear body 1, a wearing fixing cover 3 for closely adhering to a face is disposed on the eyewear body 1, a plurality of component mounting seats are disposed through the periphery of the eyewear body 1, an anti-fogging component 41 is disposed on the component mounting seats in an interference manner, and a gap does not exist at a connection position of the component mounting seats and the anti-fogging component 41; the wearing fixing cover 3 is tightly attached to the face of a person, namely the wearing fixing cover is tightly contacted with the skin of the contacted face, so that the wearing tightness of the protective eye cover is improved; through wear fixed cover 3, eye-shade body 1 the part mount pad with prevent setting up closely between the part 41 that hazes to reach no space between each junction, greatly improve the separation nature of eye-shade cuts off the virus effectively and passes through flying saliva, pollution liquid propagation or aerosol propagation to and prevent harmful dust, corrosive chemicals, poisonous and harmful pollution liquid etc. and enter into in the eye-shade, in addition, through setting up prevent the part 41 that hazes, be convenient for balance inside and outside atmospheric pressure and temperature of eye-shade, thereby realize when isolated external pollution, discharge effectively the inside heat of eye-shade to prevent the hazing and influence the visuality of lens 2.

Preferably, the anti-fogging part 41 comprises a valve body 411 and a fixed lower cover 412 which are arranged in a matching manner, a breathable film installation groove is arranged in the valve body 411, and a first waterproof breathable film 413 is installed in the breathable film installation groove; when the temperature in the protective eye cover rises, the internal air pressure is increased, and the internal air can be exhausted to the outside through the first waterproof breathable film 413, so that the temperature in the protective eye cover is reduced, and the fogging is avoided; when the internal pressure of the eye shield is smaller than the external air pressure, the external air enters the inside of the eye shield through the first waterproof breathable film 413, the air pressure and the temperature on the inner side and the outer side of the eye shield are balanced, and fogging is prevented.

Specifically, the pore diameter of the micropores in the first waterproof breathable film 413 is 0.1-10 μm, and the first waterproof breathable film 413 is a PU microporous breathable film, an EPTFE microporous breathable film or a PVDF microporous breathable film; or a composite film formed by compounding the three microporous films and PP non-woven fabric or PET non-woven fabric; or electret melt-blown non-woven fabric, SM or SMS spun-bond-melt-blown composite non-woven fabric.

Further, the valve body 411 includes an installation end and a ventilation end which are integrally formed, a first through hole 4111 is formed through the installation end, the ventilation film installation groove is annularly formed on the inner circumferential surface of the installation end, the ventilation end includes a ventilation wall 4112 arranged around the first through hole 4111 and an upper cover 4113 covering the ventilation wall 4112, and the ventilation wall 4112 is provided with a plurality of first ventilation holes 4114; specifically, the valve body 411 is formed by injection molding of thermoplastic elastomers such as TPE, TPR, TPU and the like or plastics such as PP, PE, ABS, PC and the like, and the first waterproof and breathable film 413 is fixed in the breathable film mounting groove by direct clamping, hot melting or ultrasonic welding; the first through hole 4111 is communicated with the first vent hole 4114, so that the first waterproof and breathable film 413 can isolate external pollution and exchange internal and external gases, thereby effectively maintaining the balance of internal and external temperatures and pressures of the eye shield; in addition, the upper cover 4113 and the vent wall 4112 are used in combination to realize timely venting, and prevent external contaminants from directly splashing on the first waterproof vent membrane 413, even if the external contaminants enter the first vent hole 4114, the external contaminants are blocked by the first waterproof vent membrane 413, so as to further isolate external contaminants.

Preferably, a plurality of second ventilation holes 4121 are formed through the fixed lower cover 412 corresponding to the first ventilation hole 4111, and the second ventilation holes 4121, the first ventilation hole 4111 and the first ventilation hole 4114 are communicated with each other, so that gas exchange between the inside and the outside of the eyeshield is facilitated.

Preferably, a fixing mounting groove 4115 attached to the component mounting seat is formed on the outer circumferential surface of the mounting end; specifically, the component mounting seat is a second through hole penetrating through the eyeshade body 1, or a third through hole penetrating through the eyeshade body 1, and the component mounting seat is a mounting boss arranged around the third through hole; fixed mounting groove 4115 with the cooperation setting of part mount pad ground laminating mutually to reach the junction between the two no space, improve the separation nature of eyeshield also prevents prevent that anti-fogging part 41 drops and influences normal use, assembly production simple process is applicable to large batch industrial production.

Further, a plurality of fixing blind holes 4116 are formed in the mounting end, and fixing posts 4122 are adaptively arranged on the fixing lower cover 412 corresponding to the fixing blind holes 4116, so that the mounting firmness of the anti-fogging component 41 is further improved, and the anti-fogging component is prevented from falling off to affect normal use.

Further, a lens mounting groove is formed around the inner wall surface of the eyeshade body 1, and the lens 2 is fittingly clamped in the lens mounting groove; a plurality of positioning bulges used for positioning the lens 2 are arranged on the lens mounting groove, and positioning grooves 21 are arranged on the lens 2 correspondingly to the positioning bulges, so that the lens 2 can be conveniently positioned and fixed after being mounted, and the lens 2 is prevented from rotating and falling off to influence normal use; specifically, the lens 2 is a PC, PET or tempered glass sheet lens 2.

Furthermore, elastic band fixing pieces 61 are arranged on two sides of the eyeshade body 1, and the elastic band fixing pieces 61 connected with the two sides of the eyeshade body 1 are provided with elastic bands 62, so that the eyeshade is convenient to wear, and the normal use is prevented from being influenced due to looseness and falling off in the wearing process.

Example 2: referring to fig. 6, the present embodiment is substantially the same as embodiment 1, except that the anti-fogging member is a second waterproof breathable film 42, and the second waterproof breathable film 42 is attached to the member mounting base 5; specifically, the second waterproof breathable film 42 is mounted on the component mounting base 5 by direct welding or by using a double-sided pressure-sensitive adhesive, so that the waterproof breathable film is simple in structure, low in production cost and high in performance-to-price ratio, and is beneficial to market popularization.

Specifically, the pore diameter of the micropores in the second waterproof breathable film 42 is 0.1-10 μm, and the second waterproof breathable film 42 is a PU microporous breathable film, an EPTFE or PVDF microporous breathable film; or a composite film formed by compounding the three microporous films and PP non-woven fabric or PET non-woven fabric; or electret melt-blown non-woven fabric, SM or SMS spun-bond-melt-blown composite non-woven fabric.

The utility model discloses an advantage does:

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the protection scope of the present invention should be covered by the equivalent changes made according to the shape, structure and principle of the present invention, all without departing from the technical solution of the present invention.

Claims

1. The utility model provides an anti-fogging's eyeshade, its include integrated into one piece's eyeshade body and set up with the looks adaptation lens in the eyeshade body, a serial communication port, in be provided with the fixed cover of wearing that is used for closely laminating face portion on the eyeshade body, week side of eyeshade body is run through and is provided with a plurality of part mount pads, the interference is provided with anti-fogging part on the part mount pad, just the part mount pad with the junction of anti-fogging part does not have the space.

2. The anti-fogging shield according to claim 1, wherein said anti-fogging member comprises a valve body and a fixed lower cover which are adapted to each other, a breathable film mounting groove is provided in said valve body, and a first waterproof breathable film is mounted in said breathable film mounting groove.

3. The anti-fogging patch according to claim 2, wherein the valve body includes an integrally formed mounting end and a venting end, a first through hole is formed through the mounting end, and the venting membrane mounting groove is formed around the inner peripheral surface of the mounting end, the venting end includes a venting wall surrounding the first through hole and an upper cover covering the venting wall, the venting wall is provided with a plurality of first venting holes, and a plurality of second venting holes are formed through the fixing lower cover corresponding to the first through hole.

4. The eye shield according to claim 3, wherein a fixing attachment groove is provided on an outer peripheral surface of the attachment end to be fitted to the component attachment seat.

5. The anti-fogging shield according to claim 4, characterised in that said attachment end is provided with blind fastening holes and said lower fastening cover is provided with fastening studs adapted to said blind fastening holes.

6. The anti-fogging eye shield according to claim 2, wherein the first waterproof breathable film is selected from a PU microporous breathable film, an EPTFE or PVDF microporous breathable film, or a composite film of an EPTFE or PVDF microporous breathable film and a PP nonwoven fabric or a PET nonwoven fabric, or one of an electret meltblown nonwoven fabric, an SM or SMs spunbond-meltblown composite nonwoven fabric.

7. The anti-fogging shield according to claim 1, wherein said anti-fogging member is a second waterproof breathable film, and said second waterproof breathable film is attached to said member attachment base.

8. The eye shield according to claim 7, wherein the second waterproof breathable film is selected from a PU microporous breathable film, an EPTFE or PVDF microporous breathable film, or a composite film formed by compounding the EPTFE or PVDF microporous breathable film and PP non-woven fabric or PET non-woven fabric, or one of electret melt-blown non-woven fabric and SM or SMS spun-melt-blown composite non-woven fabric.

9. The anti-fogging shield according to claim 1 or 7, characterised in that a lens mounting groove is provided around the inner wall surface of the shield body, the lens is fittingly engaged in the lens mounting groove, a plurality of positioning projections for positioning the lens are provided on the lens mounting groove, and positioning grooves are fittingly provided on the lens corresponding to the positioning projections.

10. The eye shield according to claim 9, wherein elastic band fixing members are provided on both sides of said eye shield body, and the elastic band fixing members connected to both sides of said eye shield body are provided with elastic bands.