External outdoor eye examination machine shading device

Abstract

The utility model discloses an external shading device for an outdoor eye examination machine, which belongs to the technical field of machine shading and comprises a shading cover, and rotating shafts are fixedly mounted on two sides of the shading cover. Positioning vertical plates used in cooperation with the light shield body are further installed on the two sides of the light shield body, and a positioning transverse plate supported above the eye inspection machine is fixedly installed on one side of each positioning vertical plate; the light shield body is rotationally mounted in a rotating hole above the positioning vertical plate through a rotating shaft; the light shield body is a transparent cover, an insertion groove is formed in the light shield body, a non-transparent light shield thin plate is detachably connected in the insertion groove in an inserted mode, and the light shield thin plate can shield light from the top and the two sides of the light shield body. The device is used for outdoor shading of an eye examination machine, such as an optometry unit, the device is additionally arranged above the optometry unit, the accuracy of eye exposure can be improved, the device is easy to install, the shading intensity of the shading cover body can be changed by replacing shading thin plates with different light transmittances, and the device is very flexible and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of machine shading, in particular to an external shading device for an outdoor eye examination machine. Background Art

[0002] An eye exam machine is a device used to monitor eye health. It uses various optical, electronic, and computer-based techniques to perform a comprehensive examination and assessment of the eyes. Common eye exam machines include ophthalmometers.

[0003] In order to promote eye health examinations or conduct free eye examinations, eye examination machines (such as ophthalmometers, etc.) are usually taken outdoors for use. Since they are used during the day, the light is too abundant. When performing eye examinations, the light is too strong and will affect the results of the eye examination, making it very inconvenient to use. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide an external outdoor eye examination machine shading device, which is used for outdoor shading of eye examination machines, such as ophthalmometers. By installing the device above the ophthalmometer, the accuracy of vision can be improved. The device is easy to install, and the shading strength of the shading cover can be changed by replacing shading thin plates with different light transmittances. It is very flexible and convenient to use.

[0005] In order to solve the above technical problems, the technical solution of the utility model is achieved as follows:

[0006] Disclosed is an external light-shielding device for an outdoor eye examination machine, comprising a light-shielding cover body, with rotating shafts fixedly mounted on both sides of the light-shielding cover body, and a plug fixedly mounted on the end of each rotating shaft; positioning vertical plates for use therewith are also mounted on both sides of the light-shielding cover body, and a positioning horizontal plate supported on the top of the eye examination machine is fixedly mounted on one side of the positioning vertical plates; a rotating hole matching the rotating shaft is provided above the positioning vertical plates, and the light-shielding cover body is rotatably mounted in the rotating hole via the rotating shaft; the light-shielding cover body is a transparent cover, and a slot is provided inside the light-shielding cover body, in which a non-transparent light-shielding sheet is detachably inserted; the light-shielding cover body is located directly above the face support of the eye examination machine, and the light-shielding sheet can block light from the top and both sides of the light-shielding cover body.

[0007] By adopting the above scheme, the device is used for outdoor shading of eye examination machines, such as ophthalmometers. By installing the device above the ophthalmometer, the accuracy of vision can be improved. The device is easy to install. By replacing shading plates with different light transmittance, the shading intensity of the shading cover can be changed. It is very flexible and convenient to use.

[0008] As a preferred embodiment of a shading device for an external outdoor eye examination machine, a cutout is provided at the insertion end of the slot.

[0009] By adopting the above solution, in order to facilitate the quick removal of the shading sheet, an incision is made and the shading sheet is pulled out from the incision to quickly remove the shading sheet, so that shading sheets with different shading properties can be replaced. The solution is very flexible in application.

[0010] As a preferred embodiment of an external outdoor eye examination machine shading device, a screw hole is provided under the positioning vertical plate, a positioning screw is installed in the screw hole, and a positioning clamp is fixedly installed on the rod head of the positioning screw, and the positioning clamp can contact the side of the eye examination machine.

[0011] By adopting the above solution, in order to ensure the reliability of the light shield body after installation on the eye examination machine, by rotating the positioning screw, the positioning clamp seat is tightly pressed against the side of the eye examination machine, and the light shield body will be firmly installed on the eye examination machine.

[0012] As a preferred embodiment of an external outdoor eye examination machine shading device, a plurality of evenly distributed anti-slip grooves are provided on the surface of the positioning clamp that contacts the eye examination machine; wherein all the anti-slip grooves are distributed in a circular array on the positioning clamp.

[0013] By adopting the above solution, in order to further increase the stability after installation, an anti-slip groove is provided to increase the friction between the positioning clamp and the eye inspection machine after contact. At this time, the positioning screw is not easy to loosen, which can further increase the stability after installation.

[0014] As a preferred embodiment of an external outdoor eye examination machine shading device, the plug can also interfere with the positioning horizontal plate under the interference of the positioning screw, and a plurality of evenly distributed anti-slip grooves 2 are provided on the surface where the plug interferes with the positioning horizontal plate; wherein, all the anti-slip grooves 2 are distributed in a circular array on the plug.

[0015] By adopting the above scheme, in order to be able to adjust the elevation angle of the light shield body, after adjusting the elevation angle of the light shield body, the positioning screw is rotated and the positioning clamp is used to tightly contact the side of the eye examination machine. At this time, the plug and the positioning horizontal plate are also tightly contacted, and the light shield body will maintain this elevation angle, thereby completing the adjustment of the elevation angle of the light shield body.

[0016] After adopting the above technical solution, the beneficial effects of the utility model are:

[0017] 1. This device is used for outdoor shading of eye examination machines, such as ophthalmometers. By installing this device above the ophthalmometer, the accuracy of vision can be improved. The device is easy to install. By replacing the shading sheets with different light transmittances, the shading intensity of the shading cover can be changed. It is very flexible and convenient to use.

[0018] 2. In order to facilitate the quick removal of the shading sheet, an incision is opened and the shading sheet is pulled out from the incision to quickly remove the shading sheet, so as to facilitate the replacement of shading sheets with different shading properties, which is very flexible in application;

[0019] 3. To ensure the reliability of the light shield after installation on the eye examination machine, rotate the positioning screw and use the positioning clamp to tightly contact the side of the eye examination machine. At this time, the light shield will be firmly installed on the eye examination machine;

[0020] 4. In order to further increase the stability after installation, an anti-slip groove is set to increase the friction between the positioning clamp and the eye inspection machine after contact. At this time, the positioning screw is not easy to loosen, which can further increase the stability after installation;

[0021] 5. In order to adjust the elevation angle of the light shield body, after adjusting the elevation angle of the light shield body, rotate the positioning screw and use the positioning clamp to tightly contact the side of the eye examination machine. At this time, the plug and the positioning horizontal plate are also tightly in contact, and the light shield body will maintain this elevation angle, thereby completing the adjustment of the elevation angle of the light shield body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0023] Figure 1 The utility model is a three-dimensional structure installed on the optometrist Figure 1 ;

[0024] Figure 2 The utility model is a three-dimensional structure installed on the optometrist Figure 2 ;

[0025] Figure 3 The three-dimensional structure of the utility model Figure 1 ;

[0026] Figure 4 The three-dimensional structure of the utility model Figure 2 ;

[0027] Figure 5 for Figure 3 Three-dimensional structure of the middle sunshade body Figure 1 ;

[0028] Figure 6 for Figure 5 A partial enlarged view of point A in the middle;

[0029] Figure 7 for Figure 3 Three-dimensional structure of the middle sunshade body Figure 2 ;

[0030] Figure 8 for Figure 7 A partial enlarged view of point B in the middle;

[0031] Figure 9 for Figure 3 Three-dimensional structural diagram of the middle positioning vertical plate;

[0032] Figure 10 for Figure 3 The three-dimensional structure diagram of the positioning screw;

[0033] Figure 11 for Figure 5 A partial enlarged view of point C in the middle;

[0034] Markings in the figure: 1-light-shielding cover; 2-rotating shaft; 3-plug; 4-positioning vertical plate; 5-positioning horizontal plate; 6-rotation hole; 7-slot; 8-light-shielding sheet; 9-cut; 10-screw hole; 11-positioning screw; 12-positioning clamp; 13-anti-slip groove 1; 14-anti-slip groove 2; 15-optometre. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] like Figures 1 to 9As shown, an external outdoor eye examination machine shading device is applied to an ophthalmometer 15, which includes a light-shielding cover body 1, with rotating shafts 2 fixedly installed on both sides of the light-shielding cover body 1, and a plug 3 fixedly installed on the end of each rotating shaft 2; positioning vertical plates 4 for use therewith are also installed on both sides of the light-shielding cover body 1, and a positioning horizontal plate 5 supported on the top of the ophthalmometer 15 is fixedly installed on one side of the positioning vertical plates 4; a rotating hole 6 cooperating with the rotating shaft 2 is provided above the positioning vertical plates 4, and the light-shielding cover body 1 is rotatably installed in the rotating hole 6 through the rotating shaft 2; the light-shielding cover body 1 is a transparent cover, and a slot 7 is provided inside the light-shielding cover body 1, and a non-transparent light-shielding plate 8 is detachably inserted into the slot 7; the light-shielding cover body 1 is located directly above the face support of the ophthalmometer 15, and the light-shielding plate 8 can block light from the top and both sides of the light-shielding cover body 1. The device is used for outdoor shading of an ophthalmometer 15, such as an ophthalmometer 15. By installing the device above the ophthalmometer 15, the accuracy of vision can be improved. The device is easy to install. By replacing the shading sheet 8 with different light transmittance, the shading intensity of the shading cover body 1 can be changed. It is very flexible and convenient to use.

[0037] like Figure 8 As shown, a cutout 9 is provided at the insertion end of the slot 7. In order to facilitate the quick removal of the light shielding sheet 8, the light shielding sheet 8 can be quickly removed by pulling out the light shielding sheet 8 from the cutout 9, so as to facilitate the replacement of light shielding sheets 8 with different light shielding properties, which is very flexible in application.

[0038] like Figures 9 and 10 As shown, a screw hole 10 is formed below the positioning riser 4, into which a positioning screw 11 is fitted. A positioning clamp 12 is fixedly mounted on the head of the positioning screw 11. The positioning clamp 12 can contact the side of the ophthalmometer 15. To ensure the reliability of the light shield body 1 after being installed on the ophthalmometer 15, the positioning screw 11 is rotated to allow the positioning clamp 12 to tightly contact the side of the ophthalmometer 15, and the light shield body 1 is then firmly installed on the ophthalmometer 15.

[0039] like Figure 10 As shown, the surface of the positioning clamp 12 that contacts the ophthalmometer 15 is provided with a plurality of evenly distributed anti-slip grooves 13; all anti-slip grooves 13 are arranged in a circumferential array on the positioning clamp 12. To further enhance stability after installation, the provision of anti-slip grooves 13 increases the friction between the positioning clamp 12 and the ophthalmometer 15 after contact. This prevents the positioning screw 11 from loosening, further enhancing stability after installation.

[0040] like Figure 11As shown, the plug 3, under the interference of the positioning screw 11, can also interfere with the positioning plate 5. The surface of the plug 3 that interferes with the positioning plate 5 is provided with a plurality of evenly distributed anti-slip grooves 14; all anti-slip grooves 14 are arranged in a circumferential array on the plug 3. To adjust the elevation angle of the shade body 1, after adjusting the elevation angle of the shade body 1, the positioning screw 11 is rotated, and the positioning clamp 12 is tightly contacted with the side of the ophthalmometer 15. At this time, the plug 3 and the positioning plate 5 are also tightly contacted, and the shade body 1 maintains this elevation angle, thereby completing the adjustment of the elevation angle of the shade body 1.

[0041] The working principle of this utility model:

[0042] When used outdoors, the positioning horizontal plate 5 is mounted on the top of the ophthalmometer 15, and the light shield body 1 is located directly above the face bracket of the eye examination machine; by rotating the positioning screw 11 and using the positioning clamp 12 to tightly contact the side of the eye examination machine, the light shield body 1 will be firmly installed on the eye examination machine, and the light shielding sheet 8 can block the light from the top and both sides of the light shield body 1, forming a dark environment, which is convenient for staff to perform eye examinations on customers.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An external outdoor eye examination machine shading device, comprising a light shielding cover (1), wherein a rotating shaft (2) is fixedly installed on both sides of the light shielding cover (1), and a plug (3) is fixedly installed at the end of each rotating shaft (2); positioning vertical plates (4) used in conjunction with the light shielding cover (1) are also installed on both sides of the light shielding cover (1), and a positioning horizontal plate (5) supported on the top of the eye examination machine is fixedly installed on one side of the positioning vertical plate (4); a rotating hole (6) that matches the rotating shaft (2) is opened above the positioning vertical plate (4), and the light shielding cover (1) is rotatably installed in the rotating hole (6) through the rotating shaft (2); Its characteristics are: The light shielding cover body (1) is a transparent cover. A slot (7) is provided inside the light shielding cover body (1). A non-transparent light shielding thin plate (8) is detachably inserted into the slot (7).

2. The external outdoor eye examination machine shading device according to claim 1, characterized in that: A cutout (9) is provided at the insertion end of the slot (7).

3. The external outdoor eye examination machine shading device according to claim 1, characterized in that: A screw hole (10) is provided below the positioning vertical plate (4), a positioning screw (11) is fitted in the screw hole (10), a positioning clamp seat (12) is fixedly mounted on the rod head of the positioning screw (11), and the positioning clamp seat (12) can contact the side of the eye examination machine.

4. The external outdoor eye examination machine shading device according to claim 3, characterized in that: The surface of the positioning clamp (12) that contacts the eye examination machine is provided with a plurality of evenly distributed anti-slip grooves (13).

5. The external outdoor eye examination machine shading device according to claim 4, characterized in that: All the anti-slip grooves (13) are distributed in a circumferential array on the positioning clamp seat (12).

6. The external outdoor eye examination machine shading device according to claim 1, characterized in that: The plug (3) can also conflict with the positioning transverse plate (5) under the interference of the positioning screw (11), and a plurality of evenly distributed anti-slip grooves (14) are provided on the surface of the plug (3) that conflicts with the positioning transverse plate (5).

7. The external outdoor eye examination machine shading device according to claim 6, characterized in that: All the anti-slip grooves (14) are distributed in a circumferential array on the plug (3).

8. The external outdoor eye examination machine shading device according to any one of claims 1 to 7, characterized in that: The light shielding cover (1) is located directly above the face support of the eye examination machine, and the light shielding thin plate (8) can shield light from the top and both sides of the light shielding cover (1).

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