CN212416060U

CN212416060U - Antifog medical goggles

Info

Publication number: CN212416060U
Application number: CN202020177465.5U
Authority: CN
Inventors: 赵述武; 杨金凤; 苏晨; 郭宁
Original assignee: Hunan Cancer Hospital
Current assignee: Hunan Cancer Hospital
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2021-01-29
Anticipated expiration: 2030-02-17

Abstract

The utility model discloses an antifog type medical goggles, include: the mirror frame is provided with a mirror surface; the movable connecting rod is arranged in the mirror frame, and a rack is arranged on the movable connecting rod; the extension spring is arranged in the mirror frame, one end of the extension spring is connected with the bottom of the mirror frame, and the other end of the extension spring is connected with the lower end of the movable connecting rod; the gear is rotatably arranged in the mirror frame and meshed with the rack, and a mist scraping strip is arranged on the gear and clings to the inner side of the mirror surface; and the mist scraping driving mechanism is connected with the movable connecting rod and is used for driving the movable connecting rod to move so as to drive the mist scraping strip to rotate to scrape mist on the inner side of the mirror surface. The antifog medical goggles can demist the inner side of the goggles without taking down the goggles, and are simple, practical, safe and reliable.

Description

Antifog medical goggles

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a medical goggles of antifog type.

Background

The medical goggles are a common medical protection tool and are mainly used for preventing chemical and biological pollutants from damaging eyes of medical staff and preventing diseases from spreading pathogenic microorganisms through the eyes.

In an infectious ward, goggles are either required to be fully enclosed because of the stringent protection requirements, or air intake needs to be contamination free. However, when the totally-enclosed goggles are used, the inner side of the lens surface of the goggles is easy to fog, and the visual field of medical staff is seriously influenced. If the goggles are taken down for wiping, not only the work is influenced, but also the internal pollution of the goggles can be caused; the antifogging effect of the antifogging agent coated on the inner wall of the goggles is not obvious.

Therefore, it is very important to design a simple, practical, safe and reliable anti-fog goggles.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an anti-fog medical goggles, which can conveniently remove fog from the inside of the goggles without removing the goggles.

In order to achieve the above object, the utility model provides an antifog type medical goggles, include:

the mirror frame is provided with a mirror surface;

the movable connecting rod is arranged in the mirror frame, and a rack is arranged on the movable connecting rod;

the extension spring is arranged in the mirror frame, one end of the extension spring is connected with the bottom of the mirror frame, and the other end of the extension spring is connected with the lower end of the movable connecting rod;

the gear is rotatably arranged in the mirror frame and meshed with the rack, and a mist scraping strip is arranged on the gear and clings to the inner side of the mirror surface;

and the mist scraping driving mechanism is connected with the movable connecting rod and is used for driving the movable connecting rod to move so as to drive the mist scraping strip to rotate to scrape mist on the inner side of the mirror surface.

Furthermore, the movable connecting rod is located at the inner side of the mirror surface and located in the middle, the gears comprise a first gear and a second gear, racks are arranged on the two sides of the movable connecting rod, the first gear and the second gear are arranged on the two sides of the movable connecting rod respectively and are meshed with the two racks respectively, and mist scraping strips are arranged on the first gear and the second gear respectively.

Further, the mist scraping drive mechanism includes:

the mounting box is mounted at the top of the mirror frame, the upper end of the movable connecting rod is movably arranged in the mounting box in a penetrating manner, and a driving connecting hole is formed in the part, located on the mounting box, of the movable connecting rod;

the wedge-shaped head is arranged inside the mounting box, the tip end of the wedge-shaped head is movably inserted into the driving connecting hole, the other end of the wedge-shaped head is provided with a connecting rod, and the connecting rod extends out of the mounting box;

the pressing head is connected with one end of the connecting rod extending out of the mounting box.

Further, the height of the driving connecting hole is larger than that of the tip of the wedge head and smaller than that of the other end of the wedge head.

Furthermore, a return spring is sleeved on the connecting rod between the pressing head and the outer wall of the mounting box.

Furthermore, the inside of the mirror frame is also provided with a mounting rack, and the gear is rotatably mounted on the mounting rack.

Furthermore, the bottom of the inner side of the mirror surface is provided with a water absorption strip.

Furthermore, the mirror frame is connected with a blowing device used for blowing air to the inside of the mirror frame, and a one-way air outlet valve is arranged on the mirror frame and communicated with the inside of the mirror frame.

Furthermore, the air blowing device comprises a movable air pump, the air outlet end of the movable air pump is connected with the air inlet end of a filter, and the air outlet end of the filter is communicated with the inside of the mirror frame through a vent pipe.

Furthermore, the both sides of picture frame are connected with the bandage, and the removal air pump is installed in the outside of bandage, and the breather pipe is two, and two breather pipes stretch into the picture frame inside and towards the mirror surface medial surface from the both sides of picture frame respectively, and the outside at the bandage is fixed to the breather pipe.

By applying the technical scheme of the utility model, the movable connecting rod is arranged in the picture frame, the rack is arranged on the movable connecting rod, the gear is rotatably arranged in the picture frame, the gear is meshed with the rack, the lower end of the movable connecting rod is connected with the extension spring, the other end of the extension spring is connected with the bottom of the picture frame, and the mist scraping driving mechanism is arranged to be connected with the movable connecting rod; when the inner side of the mirror surface of the goggles is fogged, the movable connecting rod is driven to move upwards through the fog-scraping driving mechanism, the movable connecting rod drives the gear to rotate through the rack, and then the fog-scraping strip connected with the gear is driven to swing downwards, so that the inner side of the mirror surface is demisted; after the demisting is finished, the fog-scraping driving mechanism is loosened, the movable connecting rod moves downwards under the action of the extension spring and returns to the initial position, and the fog-scraping strip swings upwards and returns to the initial position; the scraped water can be absorbed by the water absorption strip to avoid flowing out. This medical goggles of antifog type is simple and practical, safe and reliable, can conveniently carry out the defogging to the mirror surface inboard under the condition of not taking off the goggles, avoids the mirror surface to haze to influence medical staff's field of vision, also avoids taking off the goggles and leads to the fact the pollution to the goggles inside when cleaning.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of an anti-fog medical goggles according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a mist-scraping driving mechanism in the anti-fog medical goggles according to the embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Fig. 4 is a schematic structural view of the air blowing device in the antifogging medical goggles according to the embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a mirror frame; 11. a mirror surface; 12. a one-way air outlet valve; 20. a movable connecting rod; 21. a rack; 22. a driving connection hole; 30. An extension spring; 40. a gear; 41. a mist scraping strip; 50. a mist scraping drive mechanism; 51. mounting a box; 52. a wedge-shaped head; 53. a pressing head; 54. a return spring; 60. a mounting frame; 70. a water absorbent strip; 80. a blowing device; 81. moving the air pump; 82. a filter; 83. a breather pipe; 90. binding bands; 521. a connecting rod.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of the words "a" or "an" and the like in the description and claims of the present application does not denote a limitation of quantity, but rather denotes the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Referring to fig. 1 to 4, an anti-fog medical goggles according to an embodiment of the present invention mainly includes a frame 10, a movable link 20, an extension spring 30, a gear 40, and a fog-scraping driving mechanism 50. Wherein, the front end of the spectacle frame 10 is provided with a mirror surface 11; the movable connecting rod 20 is arranged in the mirror frame 10, and a rack 21 is arranged on the movable connecting rod 20; the extension spring 30 is installed inside the mirror frame 10, the lower end of the extension spring 30 is connected with the bottom of the mirror frame 10, and the upper end of the extension spring 30 is connected with the lower end of the movable connecting rod 20; the gear 40 is rotatably installed inside the mirror frame 10, the gear 40 is meshed with the rack 21, the gear 40 is provided with a mist scraping strip 41, and the mist scraping strip 41 is tightly attached to the inner side of the mirror surface 11; the fog-scraping driving mechanism 50 is installed outside the mirror frame 10 and connected to the movable connecting rod 20, and the fog-scraping driving mechanism 50 is used for driving the movable connecting rod 20 to move so as to drive the fog-scraping strip 41 to rotate and scrape the fog on the inner side of the mirror surface 11.

In the anti-fog medical goggles, the movable connecting rod 20 is arranged in the goggle frame 10, the rack 21 is arranged on the movable connecting rod, the gear 40 is rotatably arranged in the goggle frame 10, the gear 40 is meshed with the rack 21, the lower end of the movable connecting rod 20 is connected with the extension spring 30, the other end of the extension spring 30 is connected with the bottom of the goggle frame 10, and the fog-scraping driving mechanism 50 is arranged to be connected with the movable connecting rod 20; when the inner side of the mirror surface 11 of the goggles is fogged, the movable connecting rod 20 is driven to move upwards by the fog-scraping driving mechanism 50, the movable connecting rod 20 drives the gear 40 to rotate through the rack 21, and then the fog-scraping strip 41 connected with the gear 40 is driven to swing downwards, so that the inner side of the mirror surface 11 is demisted; after the defogging process is finished, the fog-scraping driving mechanism 50 is released, the movable connecting rod 20 moves downwards under the action of the extension spring 30 and returns to the initial position, and the fog-scraping strip 41 swings upwards and returns to the initial position. This medical goggles of antifog type is simple and practical, safe and reliable, can conveniently carry out the defogging to the mirror surface inboard under the condition of not taking off the goggles, avoids 11 fogging on the mirror surface to influence medical staff's field of vision, also avoids taking off the goggles and leads to the fact the pollution to the goggles inside when cleaning.

Specifically, referring to fig. 1 and 3, in the present embodiment, the movable link 20 is disposed at a central position inside the mirror 11, the gear 40 includes a first gear (e.g., a left gear 40 in fig. 1) and a second gear (e.g., the gear 40 in fig. 1), a rack 21 is disposed on each side of the movable link 20, the first gear and the second gear are disposed on each side of the movable link 20 and respectively engaged with the two racks 21, and a mist scraping bar 41 is mounted on each of the first gear and the second gear. So set up, set up movable connecting rod 20 at the inboard central point of mirror surface 11, its both sides drive two through a gear 40 respectively and scrape fog strip 41 and carry out the defogging to the both sides of mirror surface 11 respectively, and movable connecting rod 20 is little to medical personnel's field of vision influence. The gear 40 is preferably located at an upper position within the frame 10 and the gear 40 may be of a smaller diameter to further reduce the impact on the medical staff's view.

Specifically, referring to fig. 1, 2, and 3, in the present embodiment, the mist scraping drive mechanism 50 specifically includes a mounting box 51, a wedge head 52, and a pressing head 53. The mounting box 51 is mounted on the top of the mirror frame 10, the upper end of the movable connecting rod 20 penetrates out of the top of the mirror frame 10 and movably penetrates through the mounting box 51, and a driving connecting hole 22 is formed in the part, located on the mounting box 51, of the movable connecting rod 20; the wedge-shaped head 52 is movably arranged inside the mounting box 51, the tip end of the wedge-shaped head 52 is movably inserted into the driving connecting hole 22, the other end of the wedge-shaped head 52 is connected with a connecting rod 521, and the connecting rod 521 extends out of the mounting box 51; the pressing head 53 is connected to one end of the connecting rod 521 extending to the outside of the mounting case 51. By adopting the mist scraping driving mechanism 50, when mist removal is needed, a user only needs to press the pressing head 53 to enable the thicker end of the wedge-shaped head 52 to extend into the driving connecting hole 22, the movable connecting rod 20 moves upwards under the action of the inclined plane of the wedge-shaped head 52, so that the driving gear 40 rotates to drive the mist scraping strip 41 to swing downwards for mist removal, and the user can press the pressing head 53 by using cotton swabs or other objects. The mist scraping driving mechanism 50 has a simple structure and is convenient to operate.

Further, in the present embodiment, the height of the drive connection hole 22 (i.e., the length of the drive connection hole 22 in the vertical direction) is greater than the height of the tip of the wedge 52 (i.e., the right end of the wedge 52 in fig. 2) and less than the height of the other end of the wedge 52 (i.e., the left end of the wedge 52 in fig. 2). Furthermore, the height of the driving connection hole 22 is preferably close to the height of the left end of the wedge-shaped head 52 in fig. 2, so that the up-and-down movement range of the movable connecting rod 20 is larger, and the swing range of the mist scraping strip 41 is wider.

Referring to fig. 1, 2 and 3, in the present embodiment, a return spring 54 is further sleeved on the connecting rod 521 between the pressing head 53 and the outer wall of the mounting box 51. After the defogging process is finished, the medical staff releases the pressing head 53, and the wedge-shaped head 52 returns to the initial position under the action of the return spring 54. The return of the wedge 52 is further facilitated by the provision of a return spring 54.

Specifically, referring to fig. 1 and 3, in the present embodiment, a mounting bracket 60 is further provided inside the frame 10, an upper end of the mounting bracket 60 is mounted inside an upper wall of the frame 10, and the gear 40 is rotatably mounted on the mounting bracket 60. The area of the mounting bracket 60 can be minimized to reduce the impact on the field of vision of the medical personnel.

After the inner side of the mirror surface 11 is demisted, the water drops flow to the bottom of the mirror surface 11, and in this embodiment, a water absorbing strip 70 is further disposed at the bottom of the inner side of the mirror surface 11, see fig. 1. The water absorption strip 70 can remove water drops on the bottom of the demisted mirror surface 11. The absorbent strip 70 can be made of the existing material with good water absorption, and can be fixed on the inner bottom of the mirror 11 by means of adhesion, and the fixing position is subject to no influence on the visual field of the medical staff.

In order to further improve the defogging effect of the goggles and reduce the use of manual defogging function, and facilitate the use, referring to fig. 1 and 4, optionally, an air blowing device 80 which is provided with a self-contained or can be connected with a mobile power supply and is communicated with the interior of the frame 10 can be connected to the frame 10, and air is blown into the interior of the frame 10 through the air blowing device 80; meanwhile, a one-way air outlet valve 12 can be further installed on the frame 10, and the one-way air outlet valve 12 is communicated with the inside of the frame 10. With this arrangement, air can be blown into the mirror frame 10 by the air blowing device 80, and the air blows on the mirror surface 11 to remove mist on the inner side of the mirror surface 11, and then the air flow is discharged from the one-way air outlet valve 12 to carry out moisture in the mirror frame 10. In general, the air blowing device 80 is only used for airflow demisting, and the manual mode is only used for demisting through the fog scraping bar 41 when the fogging is serious.

Specifically, referring to fig. 4, the air blowing device 80 includes a moving air pump 81, a filter 82, and an air pipe 83. Wherein, the air outlet end of the mobile air pump 81 is connected with the air inlet end of the filter 82, the air outlet end of the filter 82 is communicated with the inside of the mirror frame 10 through the vent pipe 83, and the air outlet of the vent pipe 83 faces the inner side of the mirror surface 11. An air flow is generated by moving the air pump 81, and the air flow is filtered by the filter 82 and then enters the inside of the lens frame 10 through the air pipe 83. The movable air pump 81 can be a conventional portable micro air pump, the filter 82 can be a conventional filter 82 with dust removing, sterilizing and dehumidifying functions, and the air pipe 83 is preferably a hose.

Further, referring to fig. 1 and 4, a binding band 90 is connected to both sides of the frame 10, and a mobile air pump 81 is installed at the outer side of the binding band 90; the number of the vent pipes 83 is two, the two vent pipes 83 are respectively communicated with the inside of the frame 10 from both sides of the frame 10, and both the two vent pipes 83 are fixed on the outer side of the binding band 90. By arranging the movable air pump 81 on the outer side of the binding belt 90 and fixing the vent pipe 83 on the outer side of the binding belt 90, the structure of the whole goggles can be more compact; two air pipes 83 are respectively communicated with the inside of the mirror frame 10 from two sides of the mirror frame 10, so that two ends of the mirror surface 11 have good defogging effects. The movable air pump 81 and the air vent pipe 83 may be fixed to the outer side of the strap 90 by means of adhesion or banding.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-fog medical goggle, comprising:

the mirror frame (10), wherein a mirror surface (11) is arranged on the mirror frame (10);

the movable connecting rod (20) is installed inside the mirror frame (10), and a rack (21) is arranged on the movable connecting rod (20);

the extension spring (30) is installed inside the mirror frame (10), one end of the extension spring (30) is connected with the bottom of the mirror frame (10), and the other end of the extension spring (30) is connected with the lower end of the movable connecting rod (20);

the gear (40) is rotatably arranged inside the mirror frame (10), the gear (40) is meshed with the rack (21), a mist scraping strip (41) is arranged on the gear (40), and the mist scraping strip (41) is tightly attached to the inner side of the mirror surface (11);

and the mist scraping driving mechanism (50) is connected with the movable connecting rod (20), and the mist scraping driving mechanism (50) is used for driving the movable connecting rod (20) to move so as to drive the mist scraping strip (41) to rotationally scrape mist on the inner side of the mirror surface (11).

2. The anti-fog medical goggles as claimed in claim 1, wherein said movable connecting rod (20) is located at the medial center of said mirror surface (11), said gear (40) includes a first gear and a second gear, said rack (21) is provided on both sides of said movable connecting rod (20), said first gear and said second gear are respectively provided on both sides of said movable connecting rod (20) and respectively engaged with said two racks (21), said mist scraping bar (41) is mounted on both said first gear and said second gear.

3. Anti-fogging medical goggles according to claim 1, characterised in that the fogging drive mechanism (50) comprises:

the mounting box (51) is mounted at the top of the mirror frame (10), the upper end of the movable connecting rod (20) is movably arranged in the mounting box (51) in a penetrating manner, and a driving connecting hole (22) is formed in the part, located on the mounting box (51), of the movable connecting rod (20);

the wedge-shaped head (52) is arranged inside the mounting box (51), the tip end of the wedge-shaped head (52) is movably inserted into the driving connecting hole (22), the other end of the wedge-shaped head (52) is provided with a connecting rod (521), and the connecting rod (521) extends out of the mounting box (51);

and the pressing head (53) is connected with one end, extending out of the mounting box (51), of the connecting rod (521).

4. Anti-fogging medical goggles according to claim 3, characterised in that the height of the drive connection hole (22) is greater than the height of the tip of the wedge (52) and less than the height of the other end of the wedge (52).

5. The anti-fog medical goggles as claimed in claim 3, wherein a return spring (54) is sleeved on the connecting rod (521) between the pressing head (53) and the outer wall of the mounting box (51).

6. Anti-fogging goggles for medical purposes according to claim 1, characterised in that said frame (10) is provided internally with a mounting bracket (60), said gear (40) being rotatably mounted on said mounting bracket (60).

7. Anti-fogging medical goggles according to claim 1, characterised in that the inner bottom of the mirror surface (11) is provided with a water-absorbing strip (70).

8. The anti-fog medical goggles as claimed in any one of claims 1-7, wherein an air blowing device (80) for blowing air into the interior of the frame (10) is connected to the frame (10), a one-way air outlet valve (12) is mounted on the frame (10), and the one-way air outlet valve (12) is communicated with the interior of the frame (10).

9. The goggles for medical use as claimed in claim 8, wherein said blowing means (80) comprises a mobile air pump (81), the outlet end of said mobile air pump (81) being connected to the inlet end of a filter (82), the outlet end of said filter (82) being connected to the interior of said frame (10) by means of a vent tube (83).

10. The anti-fog medical goggles as claimed in claim 9, wherein the two sides of the frame (10) are connected with straps (90), the movable air pump (81) is mounted on the outer side of the straps (90), the number of the vent pipes (83) is two, the two vent pipes (83) respectively extend into the interior of the frame (10) from the two sides of the frame (10) and face the inner side of the mirror surface (11), and the vent pipes (83) are fixed on the outer side of the straps (90).