CN212679410U

CN212679410U - Manually-operated anti-fogging goggles

Info

Publication number: CN212679410U
Application number: CN202020326023.2U
Authority: CN
Inventors: 付进廷; 李聚轩; 王昂
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-03-12
Anticipated expiration: 2030-03-16

Abstract

Manual operation prevents fog goggles, including the picture frame, the front portion is equipped with left lens and right lens in the picture frame, be equipped with between the picture frame left and right sides and hoop first elastic webbing, the rear side of picture frame is equipped with flexible seal structure, the inside rear side at left lens and right lens of picture frame forms the open left cavity in rear side and right cavity respectively, the inside left side blast mechanism that is equipped with the left lens surface of orientation left cavity front side in picture frame left side, the inside right blast mechanism that is equipped with the right lens surface of orientation right cavity front side in picture frame right side, the lower part is equipped with the left exhaust structure with left cavity intercommunication in the picture frame, the lower part is equipped with the right exhaust structure with right cavity intercommunication in the picture frame. The utility model discloses principle science, modern design can add the defogging function on the basis of current goggles, and the operation of being convenient for, and sealed tight ensures medical staff's safety, improves the comfort level that medical staff wore the goggles.

Description

Manually-operated anti-fogging goggles

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to manual operation prevents fogging goggles.

Background

Goggles for medical treatment on the existing market have the following disadvantages: firstly, the cavity between the eyes and the eye shield is tightly sealed, so that the air in the cavity is not circulated, the medical personnel wear the glasses for a long time, and the glasses are very uncomfortable; second, the water smoke appears easily in goggles's lens inboard surface, influences medical personnel's sight, and the water smoke of medial surface can't clear away by oneself, influences going on smoothly of work.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the weak point among the prior art, provide one kind and be convenient for operation, security strong, wear comfortable manual operation anti-fogging goggles.

In order to solve the technical problem, the utility model adopts the following technical scheme: manual operation prevents fog goggles, including the picture frame, the front portion is equipped with left lens and right lens in the picture frame, be equipped with between the picture frame left and right sides and hoop first elastic webbing, the rear side of picture frame is equipped with flexible seal structure, the inside rear side at left lens and right lens of picture frame forms the open left cavity in rear side and right cavity respectively, the inside left side blast mechanism that is equipped with the left lens surface of orientation left cavity front side in picture frame left side, the inside right blast mechanism that is equipped with the right lens surface of orientation right cavity front side in picture frame right side, the lower part is equipped with the left exhaust structure with left cavity intercommunication in the picture frame, the lower part is equipped with the right exhaust structure with right cavity intercommunication in the picture frame.

The left blowing mechanism and the right blowing mechanism have the same structure and are arranged symmetrically left and right, the right blowing mechanism comprises an annular air pipe and a micro fan, clockwork spring, first protection filtering layer and manual roll of curtain formula sealing door, the annular tuber pipe is located the rear side of right lens and centers on outside at the right lens, miniature fan is located the right side of annular tuber pipe, the left air outlet of miniature fan communicates with annular tuber pipe right side, set up the orifice of a plurality of slope towards right lens trailing flank on the annular tuber pipe, set up the injection passageway with the orifice one-to-one on the picture frame, clockwork spring's power drive end is connected with miniature fan's center pin drive, clockwork spring's power input end is connected with the act as go-between that stretches out the picture frame downwards, slide sealing connection between act as go-between and the picture frame, first protection filtering layer sets up the air inlet department on miniature fan's right side, manual roll of curtain formula sealing door sets up the right.

The manual rolling curtain type sealing door comprises a left and right transparent rectangular frame, an upper driving roller, a lower driven roller, a sealing belt and two guide rails are arranged in the rectangular frame, the two guide rails are vertically arranged and are arranged at intervals front and back, the guide rail at the front side is fixedly connected with the inner wall at the front side of the rectangular frame, the guide rail at the rear side is fixedly connected with the inner wall at the rear side of the rectangular frame, the upper driving roller and the lower driven roller are horizontally arranged front and back, the upper side edge of the sealing belt is fixedly connected to the outer circumference of the upper driving roller, the lower side edge of the sealing belt is connected to the outer circumference of the lower driven roller, a torsion spring is arranged between the lower driven roller and the rectangular frame, the lower portion of the sealing belt is wound outside the lower driven roller under the action of the torsion spring, the sealing belt is in a tensioning state, the front side; the rear end part of the upper driving roller is connected with a crank which penetrates through the rectangular frame; the sealing belt is provided with a rectangular through hole, the height of the rectangular through hole is equal to the distance between the lower side of the upper driving roller and the upper side of the lower driven roller, and the size of the rectangular through hole in the front-back direction is equal to the distance between the two guide rails.

The left exhaust structure and the right exhaust structure are identical in structure and are symmetrically arranged left and right; left side exhaust structure and right exhaust structure all include the second protection filtering layer and set up the one-way breather valve in second protection filtering layer lower part, and left second protection filtering layer upper surface and the inside intercommunication of left cavity, the second protection filtering layer upper surface and the inside intercommunication of right cavity on right side.

The first protective filter layer and the second protective filter layer are both made of melt-blown non-woven fabrics or anti-sticking non-woven fabrics.

By adopting the technical scheme, when the utility model is used, two eyes of a user are respectively positioned at the rear sides of the left cavity and the right cavity, when the eyes of the user feel uncomfortable or the inner side surface of the lens is fogged, one hand of the user firstly rotates the crank, the crank rotates to drive the upper driving roller to rotate, the upper driving roller drives the sealing belt to move upwards and wind the sealing belt on the upper driving roller, the diameter of the rectangular through hole on the sealing belt and the diameter of the upper driving roller are larger than that of the lower driven roller, so that the sealing belt can move upwards for the same distance by rotating fewer turns of the crank, until the rectangular through hole is corresponding to the rectangular frame to be transparent, the other hand of the user downwards pulls the stay wire, the stay wire is pulled to be a clockwork spring to be powerful, the stay wire is loosened when the stay wire is pulled to be immovable, the clockwork spring drives the micro fan to rotate, the micro fan firstly filters the air of, and then the fog on the lens is removed by blowing the fog to the back (inner) side surface of the lens through the spray holes on the annular air pipe and the spray channel in the lens frame, and simultaneously, the comfort level of eyes of a user is also improved. And the air flow blown into the left cavity and the right cavity is discharged through the second filter screen layer and the one-way vent valve, so that the air pressure inside the left cavity and the right cavity is kept consistent with the external air pressure. If the stay wire is pulled once, the fog is not eliminated, the stay wire is pulled for a plurality of times again until the fog on the lens is completely eliminated, the crank is loosened, the sealing belt moves downwards along the guide rail and is wound on the lower driven roller under the action of the torsion spring until the sealing belt is tensioned, and the rectangular frame is also closed by the sealing belt.

To sum up, the utility model discloses principle science, modern design can add the defogging function on the basis of current goggles, and the operation of being convenient for, and sealed tight, ensure medical staff's safety, improve the comfort level that medical staff wore the goggles.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a side view of the manual rolling shutter type sealing door of FIG. 1;

FIG. 3 is a schematic view of the manual rolling shutter type sealing door of FIG. 1 being opened;

fig. 4 is a schematic structural view of the sealing tape.

Detailed Description

As shown in fig. 1-4, the utility model discloses a manual operation anti-fogging goggles, including picture frame 1, the preceding lateral part is equipped with left lens 2 and right lens 3 in the picture frame 1, be equipped with the tension head elastic webbing (not shown in the figure) between the picture frame 1 left and right sides, the rear side of picture frame 1 is equipped with the flexible seal structure (not shown in the figure) with the contact of people's facial features, the inside left cavity and the right cavity of rear side that form respectively at the rear side of left lens 2 and right lens 3 of picture frame 1, the inside left side of picture frame 1 left side is equipped with the left side on the left lens 2 surface of left cavity front side and blows the mechanism, the inside right side that is equipped with the right lens 3 surface of right cavity front side of picture frame 1 right side blows the mechanism, the lower part is equipped with the left exhaust structure with left cavity intercommunication in the picture frame 1, the.

The left blowing mechanism and the right blowing mechanism are identical in structure and are symmetrically arranged left and right, the right blowing mechanism comprises an annular air duct 4, a micro fan 4, a clockwork spring 5, a first protective filter layer 6 and a manual rolling type sealing door 7, the annular air duct 4 is positioned at the rear side of the right lens 3 and surrounds the outside of the right lens 3, the micro fan 4 is positioned at the right side of the annular air duct 4, an air outlet at the left side of the micro fan 4 is communicated with the right side of the annular air duct 4, the annular air duct 4 is provided with a plurality of spray holes which incline towards the rear side surface of the right lens 3, the spectacle frame 1 is provided with spray channels 8 which are in one-to-one correspondence with the spray holes, a power driving end of the clockwork spring 5 is in transmission connection with a central shaft of the micro fan 4, a power input end of the clockwork spring 5 is connected with a pull wire 9 which extends out, the manual roller shutter type sealing door 7 is arranged at the right side part of the spectacle frame 1 and is used for sealing the first protective filter layer 6.

The manual rolling shutter type sealing door 7 comprises a rectangular frame 14 which is transparent left and right, an upper driving roller 10, a lower driven roller 11, a sealing belt 12 and two guide rails 13 are arranged in the rectangular frame 14, the two guide rails 13 are vertically arranged and are arranged at intervals front and back, the guide rail 13 at the front side is fixedly connected with the inner wall at the front side of the rectangular frame 14, the guide rail 13 at the rear side is fixedly connected with the inner wall at the rear side of the rectangular frame 14, the upper driving roller 10 and the lower driven roller 11 are horizontally arranged front and back, the upper side of the sealing belt 12 is fixedly connected on the outer circumference of the upper driving roller 10, the lower side of the sealing belt 12 is connected on the outer circumference of the lower driven roller 11, a torsion spring (not shown in the figure) is arranged between the lower driven roller 11 and the rectangular frame 14, under the action of the torsion spring, the lower part of the sealing belt 12 is wound outside the, the top and the bottom of the rectangular frame 14 are connected with the sealing belt 12 in a sliding and sealing way; the rear end of the upper driving roller 10 is connected with a crank 15 passing through the rectangular frame 14; the sealing tape 12 is formed with a rectangular through hole 16, the height of the rectangular through hole 16 is equal to the distance between the lower side of the upper driving roller 10 and the upper side of the lower driven roller 11, and the dimension of the rectangular through hole 16 in the front-rear direction is equal to the distance between the two guide rails 13.

The left exhaust structure and the right exhaust structure are identical in structure and are symmetrically arranged left and right; left side exhaust structure and right exhaust structure all include the second and protect filtering layer 17 and set up one-way breather valve 18 in the second protection filtering layer 17 lower part, and left 17 upper surfaces of second protection filtering layer and the inside intercommunication of left cavity, 17 upper surfaces of second protection filtering layer and the inside intercommunication of right cavity on right side.

The first protective filter layer 6 and the second protective filter layer 17 are both made of melt-blown non-woven fabric or anti-sticking non-woven fabric.

When the utility model is used, two eyes of a user are respectively positioned at the rear sides of the left cavity and the right cavity, when the eyes of the user feel uncomfortable or the inner side surface of a lens is fogged, the crank 15 is rotated by one hand of the user, the upper driving roller 10 is driven to rotate by the rotation of the crank 15, the upper driving roller 10 drives the sealing belt 12 to move upwards and wind the upper driving roller 10, the diameter of the rectangular through hole 16 and the diameter of the upper driving roller 10 on the sealing belt 12 are larger than that of the lower driven roller 11, so that the sealing belt 12 can move upwards by the rotation of the crank 15 for the same distance, until the rectangular through hole 16 and the rectangular frame 14 are corresponding to be transparent, the other hand of the user pulls the stay wire 9 downwards, the stay wire 9 is pulled to force the spiral spring 5, the stay wire 9 is loosened when being pulled to be immovable, the spiral spring 5 drives the micro fan 4 to rotate, the micro fan 4 firstly filters the outside air through the air of the first protection filter layer 6 after passing through the rectangular through, and then the mist is blown to the back (inner) side surface of the lens through the spray holes on the annular air pipe 4 and the spray channel 8 in the lens frame 1, so that the mist on the lens is removed, and the comfort level of eyes of a user is improved. The air flow blown into the left cavity and the right cavity is discharged through the second filter screen layer and the one-way vent valve 18 (the one-way vent valve 18 can adopt the technology disclosed by the patent number ZL 200920054858.0), so that the air pressure inside the left cavity and the right cavity is kept consistent with the external air pressure. If the pull wire 9 is pulled once, the fog is not eliminated, the pull wire is pulled again for a plurality of times until the fog on the lens is completely eliminated, the crank 15 is loosened, the sealing belt 12 moves downwards along the guide rail 13 and is wound on the lower driven roller 11 under the action of the torsion spring until the sealing belt 12 is tensioned, and the rectangular frame 14 is also closed by the sealing belt 12.

The utility model provides an annular tuber pipe 4 can be when preparation picture frame 1 inside predetermine at picture frame 1 and form the annular wind channel and replace.

The first protective filter layer 6 and the second protective filter layer 17 are both made of melt-blown non-woven fabric or anti-sticking non-woven fabric, and the protective performance of the mask is equivalent to that of an N95 mask. The guide rail 13 is made of rubber or plastic materials, a slideway is arranged in the guide rail 13, and the front side and the rear side of the sealing strip 12 extend into and are sealed in the slideway in a sliding manner.

The utility model provides a picture frame 1, left lens 2, right lens 3, hoop first elastic webbing, torsional spring, flexible seal structure, miniature fan 4 and clockwork spring 5 are current maturation technology, do not relate to new computer program yet, specifically no longer give consideration to repeatedly. One-way vent valve 18 may be replaced with a one-way vent barrier as disclosed in patent No. 201820992970.8.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims

1. Manual operation prevents fog goggles, including the picture frame, the front portion is equipped with left lens and right lens in the picture frame, is equipped with between the picture frame left and right sides and hoops first elastic webbing, and the rear side of picture frame is equipped with flexible seal structure, and the picture frame is inside to form the open left cavity of rear side and right cavity, its characterized in that respectively at the rear side of left lens and right lens: a left air blowing mechanism facing the left lens surface on the front side of the left cavity is arranged inside the left side of the mirror frame, a right air blowing mechanism facing the right lens surface on the front side of the right cavity is arranged inside the right side of the mirror frame, a left exhaust structure communicated with the left cavity is arranged at the lower part in the mirror frame, and a right exhaust structure communicated with the right cavity is arranged at the lower part in the mirror frame;

the left blowing mechanism and the right blowing mechanism have the same structure and are arranged symmetrically left and right, the right blowing mechanism comprises an annular air pipe and a micro fan, the spring type sealing door comprises a clockwork spring, a first protective filter layer and a manual rolling curtain type sealing door, wherein an annular air pipe is positioned at the rear side of a right lens and surrounds the outside of the right lens, a miniature fan is positioned at the right side of the annular air pipe, an air outlet at the left side of the miniature fan is communicated with the right side of the annular air pipe, a plurality of spray holes inclined towards the rear side of the right lens are formed in the annular air pipe, spray channels corresponding to the spray holes one by one are formed in a picture frame, a power driving end of the clockwork spring is in transmission connection with a central shaft of the miniature fan, a power input end of the clockwork spring is connected with a pull wire extending downwards out of the picture frame, the pull wire is in sliding sealing connection with the picture frame, the first protective filter layer is;

2. The manually operated anti-fogging goggle of claim 1, wherein: the left exhaust structure and the right exhaust structure are identical in structure and are symmetrically arranged left and right; left side exhaust structure and right exhaust structure all include the second protection filtering layer and set up the one-way breather valve in second protection filtering layer lower part, and left second protection filtering layer upper surface and the inside intercommunication of left cavity, the second protection filtering layer upper surface and the inside intercommunication of right cavity on right side.

3. The manually operated anti-fogging goggle of claim 2, wherein: the first protective filter layer and the second protective filter layer are both made of melt-blown non-woven fabrics or anti-sticking non-woven fabrics.