CN111631860A - Defogging goggles - Google Patents

Abstract

The invention discloses defogging goggles, wherein a temperature control cavity is arranged between a first lens and a second lens, a heating wire is used for heating the temperature control cavity, so that the temperature of the first lens and the temperature of the second lens are kept constant, the second lens facing to the direction of a human face cannot generate water fog due to the difference between the internal temperature and the external temperature, medical personnel can drive a speed change gear to rotate by rotating a rotary screw rod, so that a scraping blade is driven to rotate circularly, the scraping blade scrapes the surface of the first lens, the first lens and the second lens can be cleaned without manual scrubbing of medical personnel, the lenses are prevented from generating fog, the medical personnel cannot clearly observe an instrument, and the medical personnel can accurately operate the instrument.

Description

Defogging goggles

Technical Field

The invention relates to the field of medical equipment, in particular to a pair of defogging goggles.

Background

At present, medical goggles are an important protection tool for preventing infectious disease infection, and are usually used together with a mask and a protective clothing in the use process of preventing infectious diseases.

In order to ensure clear sight, the goggles must be taken down for defogging and cleaning, and if the goggles are not taken down for defogging and cleaning, medical personnel or patients are easily stabbed by medical equipment, so that the medical personnel and the patients are injured. Based on medical infection control operating specification, the medical personnel who pollutes district and the work of semi-pollution district can not touch and take off the goggles, so, because medical personnel can't in time clear away the fog on goggles surface to cause medical personnel to can not clearly observe the instrument, thereby influence medical personnel to the operation of instrument.

Disclosure of Invention

The invention aims to provide a pair of defogging goggles, and aims to solve the technical problem that medical workers in the prior art cannot clear fog on the surfaces of the goggles in time, so that the medical workers cannot observe instruments clearly, and the operation of the medical workers on the instruments is affected.

In order to achieve the purpose, the invention adopts defogging goggles which comprise a goggle bracket, a fixed frame and a mounting device; the fixed frame is fixedly connected with the mirror bracket and is positioned on one side of the mirror bracket; the mounting device comprises a first lens, a second lens, a heating wire and a defogging component, the first lens is fixedly connected with the fixing frame and is positioned on one side of the fixing frame, which is far away from the spectacle frame, the second lens is fixedly connected with the fixing frame and is positioned on one side of the fixing frame, which is close to the first lens, a temperature control cavity is formed between the first lens and the second lens, and the heating wire is fixedly connected with the fixing frame, is positioned between the first lens and the second lens and is positioned in the temperature control cavity; the defogging assembly comprises a rotary bearing, a scraping blade and a bearing driving member, wherein the rotary bearing is connected with the fixed frame in a rotating mode and is located at one side, close to the first lens, of the fixed frame, the scraping blade is fixedly connected with the rotary bearing and is in sliding connection with the first lens and is located at one side, far away from the first lens, of the second lens, and the bearing driving member is fixedly connected with the mirror bracket and is in rotating connection with the rotary bearing.

The rotating bearing comprises a bearing seat, a ball and a rotating ring, wherein the bearing seat is fixedly connected with the fixing frame and is positioned on one side of the fixing frame close to the first lens; the ball is rotationally connected with the bearing seat and is positioned in the bearing seat; the rotating ring is rotatably connected with the ball, is fixedly connected with the scraping blade and is positioned on one side of the ball, which is far away from the bearing seat.

The bearing driving member comprises a speed change gear and a rotating screw rod, and the speed change gear is fixedly connected with the rotating ring and is positioned on one side of the rotating ring, which is far away from the scraper; the rotary screw rod is connected with the fixed frame in a rotating mode, meshed with the variable speed gear and located on one side, far away from the scraping blade, of the fixed frame.

The demisting assembly further comprises a limiting baffle, the limiting baffle is fixedly connected with the fixing frame, abutted against the scraping blade and located on one side, close to the first lens, of the fixing frame.

Wherein, the fixed frame has the ventilation hole, the ventilation hole runs through fixed frame, and be located first lens with between the second lens, and with the control by temperature change chamber link up.

The mounting device further comprises a ventilation fan, wherein the ventilation fan is fixedly connected with the fixing frame, communicated with the temperature control cavity and positioned in the ventilation hole.

According to the defogging goggles, the temperature control cavity is formed between the first lens and the second lens, the heating wire heats the temperature control cavity, so that the temperature of the first lens and the temperature of the second lens are kept constant, the second lens facing to the face direction cannot generate water fog due to internal and external temperature difference, medical workers can rotate the rotating screw to drive the change gear to rotate, the scraping blade is driven to rotate circularly, the scraping blade scrapes the surface of the first lens, the medical workers can clean the first lens and the second lens without manual cleaning, the lenses are prevented from generating fog, the medical workers cannot clearly observe an instrument, and the medical workers can accurately operate the instrument.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the defogging assembly of the present invention.

Fig. 2 is a schematic structural view of the mounting device of the present invention.

Fig. 3 is a schematic view of a coupling structure of a rotary bearing and a bearing driving member of the present invention.

FIG. 4 is a schematic view of a connection structure of the insulated covering wire and the heating wire of the present invention.

In the figure: the device comprises a frame 1, a fixed frame 2, a mounting device 3, a first defogging coating 4, a second defogging coating 5, a vent 21, a temperature control cavity 22, a first lens 31, a second lens 32, a heating wire 33, a defogging assembly 34, a ventilating fan 35, a filter screen 36, a heat insulation covered wire 37, defogging goggles 100, a rotating bearing 341, a scraping blade 342, a bearing driving component 343, a limit baffle 344, a bearing seat 3411, a rolling ball 3412, a rotating ring 3413, a speed change gear 3431 and a rotating screw 3432.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4, the present invention provides a defogging goggles 100, which includes a frame 1, a fixing frame 2 and a mounting device 3; the fixed frame 2 is fixedly connected with the spectacle frame 1 and is positioned on one side of the spectacle frame 1; the mounting device 3 comprises a first lens 31, a second lens 32, a heating wire 33 and a defogging assembly 34, wherein the first lens 31 is fixedly connected with the fixed frame 2 and is positioned on one side of the fixed frame 2 far away from the spectacle frame 1, the second lens 32 is fixedly connected with the fixed frame 2 and is positioned on one side of the fixed frame 2 close to the first lens 31, a temperature control cavity 22 is formed between the first lens 31 and the second lens 32, and the heating wire 33 is fixedly connected with the fixed frame 2, is positioned between the first lens 31 and the second lens 32 and is positioned in the temperature control cavity 22; the defogging assembly 34 includes a rotating bearing 341, a scraping blade 342, and a bearing driving member 343, wherein the rotating bearing 341 is rotatably connected to the fixed frame 2 and is located at a side of the fixed frame 2 close to the first lens 31, the scraping blade 342 is fixedly connected to the rotating bearing 341 and is slidably connected to the first lens 31 and is located at a side of the first lens 31 away from the second lens 32, and the bearing driving member 343 is fixedly connected to the frame 1 and is rotatably connected to the rotating bearing 341.

Further, referring to fig. 1 and 3, the rotating bearing 341 includes a bearing seat 3411, a ball 3412 and a rotating ring 3413, wherein the bearing seat 3411 is fixedly connected to the fixed frame 2 and is located on a side of the fixed frame 2 close to the first lens 31; said balls 3412 are rotatably connected to said bearing housing 3411 and are located within said bearing housing 3411; the rotating ring 3413 is rotatably connected to the ball 3412 and is fixedly connected to the blade 342 on a side of the ball 3412 away from the bearing housing 3411.

Further, referring to fig. 3, the bearing driving member 343 includes a speed change gear 3431 and a rotary screw 3432, the speed change gear 3431 is fixedly connected to the rotary ring 3413 and is located on a side of the rotary ring 3413 away from the blade 342; the rotating screw 3432 is rotatably connected to the fixed frame 2, and is engaged with the speed change gear 3431 and located on a side of the fixed frame 2 away from the wiper 342.

In this embodiment, the mirror holder 1 is made of rubber, has better corrosion resistance, and the number of the mirror holder 1 is two, two the mirror holder 1 is connected through an elastic band, and can adjust the size, the fixed frame 2 is a rectangular frame with rounded corners, and is screwed on the end of the mirror holder 1, and is located between two the mirror holders 1, the number of the fixed frame 2 is two, and the middle of the fixed frame 2 is connected through a bracket, so that one side of the two fixed frames 2, which is far away from each other, is respectively connected with the mirror holder 1, the inside of the fixed frame 2 is hollow, the first lens 31 and the second lens 32 are respectively installed on the front side and the rear side of the fixed frame 2, and the first lens 31 and the second lens 32 form one temperature control cavity 22 with the fixed frame 2, the heating wire 33 is screwed on the inner side wall of the temperature control cavity 22, the heating wire 33 is connected with a power supply, wherein the power supply is a storage battery, the heating wire 33 converts electric energy into heat energy, so that the interior of the temperature control cavity 22 is kept at a constant temperature, and thus the surfaces of the first lens 31 and the second lens 32 are not easily fogged; the bearing housing 3411 penetrates the fixed frame 2 and penetrates in a direction toward the lens holder 1, the balls 3412 are mounted in the bearing housing 3411, the plurality of balls 3412 surround the inner side wall of the bearing housing 3411 for one circle, the rotating ring 3413 is rotatably limited in the bearing housing 3411, both ends of the rotating ring 3413 extend out of the bearing housing 3411, the blade 342 is mounted on one side close to the first lens 31 by a bolt, the bottom of the blade 342 is in sliding contact with the surface of the first lens 31, the first lens 31 is rotated by sliding friction between a rubber block at the bottom of the blade 342 and the first blade 342 with the center of the rotating ring 3413 as an axis 342, the blade is driven to slide the first lens 31 back and forth, and the change gear 3431 is screwed to the other side of the rotating ring 3413, the speed change gear 3431 is installed inside the fixed frame 2, the rotating screw 3432 is installed inside the fixed frame 2 through a bearing, and the end of the rotating screw 3432 is engaged with the teeth of the speed change gear 3431, so that the rotating screw 3432 drives the speed change gear 3431 to rotate, thereby driving the scraper 342 to be connected with the first lens 31 in a sliding manner, so that the temperature control chamber 22 is provided between the first lens 31 and the second lens 32, the heater wire 33 heats the temperature control chamber 22, thereby keeping the temperature of the first lens 31 and the temperature of the second lens 32 constant, preventing the second lens 32 facing to the human face from generating water mist due to the difference between the inside temperature and the outside temperature, and the medical staff can drive the rotating screw 3432 to drive the speed change gear 3431 to rotate, thereby driving the scraper 342 to rotate circularly, and causing the scraper 342 to scrape the surface of the first lens 31, therefore, the first lens 31 and the second lens 32 can be cleaned without manual scrubbing of medical staff, the lenses are prevented from generating fog, so that the medical staff cannot clearly observe the instrument, and the medical staff can accurately operate the instrument.

Further, referring to fig. 1, the defogging assembly 34 further includes a limit baffle 344, wherein the limit baffle 344 is fixedly connected to the fixing frame 2, abuts against the scraping blade 342, and is located at a side of the fixing frame 2 close to the first lens 31.

In this embodiment, the number of the limiting baffles 344 is two, and the limiting baffles are respectively installed on two adjacent side surfaces of the first lens 31 of the fixing frame 2 in a threaded manner to limit the rotation of the scraping blade 342, so that the scraping blade 342 does not deviate from the range of the first lens 31 in the rotation process, and the cleaning effect of the scraping blade 342 is better.

Further, referring to fig. 2, the fixing frame 2 has a vent 21, and the vent 21 penetrates through the fixing frame 2, is located between the first lens 31 and the second lens 32, and is communicated with the temperature control chamber 22.

Further, referring to fig. 2, the mounting device 3 further includes a ventilation fan 35, and the ventilation fan 35 is fixedly connected to the fixing frame 2, is communicated with the temperature control chamber 22, and is located in the ventilation hole 21.

In this embodiment, the ventilation hole 21 penetrates through the side surface of the fixing frame 2, so that the temperature control chamber 22 circulates with the outside air through the ventilation hole 21, the ventilation fan 35 is internally provided with a rotating motor, the rotating motor is connected with the storage battery through a wire, the rotating motor drives the ventilation fan 35 to blow air towards the inside of the temperature control chamber 22, the heating wire 33 raises the temperature in the temperature control chamber 22, and the ventilation fan 35 can cool the temperature control chamber 22 when the temperature in the temperature control chamber 22 is high, so that the temperature in the temperature control chamber 22 is kept constant, and the first lens 31 and the second lens 32 are prevented from being fogged due to the temperature difference between the inside and the outside.

Further, referring to fig. 1, the mounting device 3 further includes a filter screen 36, the filter screen 36 is fixedly connected to the fixing frame 2, and covers the ventilation hole 21, and is located at a side of the fixing frame 2 close to the ventilation fan 35.

In this embodiment, the outer circumference of the filter screen 36 is screwed to the surface of the fixing frame 2, and covers the vent hole 21, so that when the ventilation fan 35 draws the outside air into the vent hole 21, the filter screen 36 filters impurities in the outside air, thereby preventing the impurities from being attached to the first lens 31 and the second lens 32, and allowing the medical staff to observe the impurities more clearly.

Further, referring to fig. 4, the mounting device 3 further includes a heat insulation covering wire 37, and the heat insulation covering wire 37 is fixedly connected to the fixing frame 2, fixedly connected to the heating wire 33, and located between the heating wire 33 and the fixing frame 2.

In this embodiment, thermal-insulated envelope 37 is thermal insulation material to for the semicircle ring, and the parcel is in the periphery of heater strip 33, it is right the heater strip 33 with fixed frame 2 is separated, makes heat can not be transmitted to during the heater strip 33 heat production on fixed frame 2, thereby it is right the heater strip 33 insulates against heat, avoids with heat transmission to during the heater strip 33 heating on fixed frame 2.

Further, referring to fig. 2, the defogging goggles 100 further include a first defogging coating 4, wherein the first defogging coating 4 is fixedly connected to the first lens 31 and is located on a side of the first lens 31 away from the second lens 32.

In this embodiment, the first defogging coating layer 4 is a hydrophilic antifogging coating layer, and the first antifogging coating layer is sprayed on the outer side surface of the first lens 31, so that the surface tension of the fog beads can be effectively reduced, the fog beads on the surface of the first lens 31 are all flattened, and an ultrathin water film which does not interfere with the strength is formed, and thus, the generation of fog on the outer surface of the first lens 31 can be reduced.

Further, referring to fig. 2, the defogging goggles 100 further include a second defogging coating 5, wherein the second defogging coating 5 is fixedly connected to the second lens 32 and is located on a side of the second lens 32 away from the first lens 31.

In this embodiment, because medical personnel produce the heat at long-time work, be in easily the medial surface of second lens 32 generates the sweat pearl, second defogging coating 5 is hydrophilicity antifog coating layer, through with second antifog coating spraying is in the medial surface of second lens 32 can reduce the surface tension of sweat pearl effectively, makes the sweat pearl on second lens 32 surface is whole shakeouts, forms the ultra-thin water film that does not disturb the strength, so can reduce the generation of second lens 32 internal surface fog.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A defogging goggles is characterized by comprising a goggle bracket, a fixed frame and a mounting device;

the fixed frame is fixedly connected with the mirror bracket and is positioned on one side of the mirror bracket;

the mounting device comprises a first lens, a second lens, a heating wire and a defogging component, the first lens is fixedly connected with the fixing frame and is positioned on one side of the fixing frame, which is far away from the spectacle frame, the second lens is fixedly connected with the fixing frame and is positioned on one side of the fixing frame, which is close to the first lens, a temperature control cavity is formed between the first lens and the second lens, and the heating wire is fixedly connected with the fixing frame, is positioned between the first lens and the second lens and is positioned in the temperature control cavity;

the defogging assembly comprises a rotary bearing, a scraping blade and a bearing driving member, wherein the rotary bearing is connected with the fixed frame in a rotating mode and is located at one side, close to the first lens, of the fixed frame, the scraping blade is fixedly connected with the rotary bearing and is in sliding connection with the first lens and is located at one side, far away from the first lens, of the second lens, and the bearing driving member is fixedly connected with the mirror bracket and is in rotating connection with the rotary bearing.

2. A defogging eyewear according to claim 1,

the rotary bearing comprises a bearing seat, a ball and a rotary ring, wherein the bearing seat is fixedly connected with the fixed frame and is positioned on one side of the fixed frame close to the first lens; the ball is rotationally connected with the bearing seat and is positioned in the bearing seat; the rotating ring is rotatably connected with the ball, is fixedly connected with the scraping blade and is positioned on one side of the ball, which is far away from the bearing seat.

3. A defogging eyewear according to claim 2,

the bearing driving component comprises a speed change gear and a rotating screw rod, the speed change gear is fixedly connected with the rotating ring and is positioned on one side of the rotating ring, which is far away from the scraping blade; the rotary screw rod is connected with the fixed frame in a rotating mode, meshed with the variable speed gear and located on one side, far away from the scraping blade, of the fixed frame.

4. A defogging eyewear according to claim 1,

the defogging assembly further comprises a limit baffle, wherein the limit baffle is fixedly connected with the fixed frame, abutted against the scraping blade and positioned on one side of the fixed frame close to the first lens.

5. A defogging eyewear according to claim 1,

the fixed frame has the ventilation hole, the ventilation hole runs through fixed frame, and be located first lens with between the second lens, and with the control by temperature change chamber link up.

6. A defogging eyewear according to claim 5,

the mounting device further comprises a ventilation fan, wherein the ventilation fan is fixedly connected with the fixing frame, communicated with the temperature control cavity and positioned in the ventilation hole.

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