CN209858174U

CN209858174U - Portable corneal contact lens observation instrument

Info

Publication number: CN209858174U
Application number: CN201920782408.7U
Authority: CN
Inventors: 王欣爱; 翟志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2019-12-27
Anticipated expiration: 2029-05-28

Abstract

The utility model relates to a portable corneal contact lens visualizer, its characterized in that: the magnifying glass is positioned vertically above the carrying disc and is coaxially arranged with the carrying disc, and the carrying disc is arranged on the base with the light source; the base with the light source comprises a base body and the light source, wherein the interior of the base body is of a hollow structure, the top surface of the base body is a light shielding plate, the bottom surface of the base body is of a non-reflective structure, an opening is formed in the light shielding plate, and the light source is arranged in a vertical projection area of the light shielding plate and is uniformly distributed along the circumferential direction of the side wall of the base body; the carrying disc is transparent, the carrying disc is arranged in the hollow structure through the opening, and the bottom end of the carrying disc is higher than the top end of the light source; the magnifying power of the magnifying glass is more than or equal to 3 times and less than or equal to 20 times. Can see clearly through this device slight mar or precipitate on the contact lens of cornea, this device simple structure easily operates, and this device is equipped with the axis of rotation, easily folds, conveniently carries.

Description

Portable corneal contact lens observation instrument

Technical Field

The utility model relates to an optical instrument device, specifically speaking are portable cornea contact lens visualizer.

Background

Contact lenses are worn by many people for aesthetic purposes or for correcting vision, but it is critical that the lenses be clean and perfect because improper wearing methods or untimely cleaning can result in scratches and deposits on the contact lenses, affect the use experience of the consumer, and even cause damage to the cornea of the consumer. However, the user often cannot find fine scratches and deposits on the lens by naked eyes, and wearing the damaged contact lens for a long time brings a safety hazard to the wearer.

If the wearer wants to check the corneal contact lens of the wearer, the doctor who can only find a specialty by queuing in a hospital can check the corneal contact lens by using the dark-field microscope, the equipment is complex in structure, is inconvenient to carry, can be normally used only by professional operation, and cannot meet the requirement that the wearer can check the corneal contact lens of the wearer in time.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a portable corneal contact lens observer, which comprises a magnifier, a carrying disc and a base with a light source, wherein the magnifier is positioned vertically above the carrying disc and is coaxially arranged with the carrying disc, and the carrying disc is arranged on the base with the light source; the base with the light source comprises a base body and the light source, wherein the interior of the base body is of a hollow structure, the top surface of the base body is a light shielding plate, the bottom surface of the base body is of a non-reflective structure, an opening is formed in the light shielding plate, and the light source is arranged in a vertical projection area of the light shielding plate and is uniformly distributed along the circumferential direction of the side wall of the base body; the carrying plate is transparent, the carrying plate is arranged in the hollow structure through the opening, and the bottom end of the carrying plate is higher than the top end of the light source; the magnifying power of the magnifying glass is more than or equal to 3 times and less than or equal to 20 times.

Furthermore, the side wall of the seat body is light-tight.

Further, the non-reflective structure is a light absorption plate.

Furthermore, the non-reflective structure is a light-transmitting opening which is arranged on the bottom surface of the base body and is coaxial with the object carrying plate, and the edge of the light-transmitting opening is outside the vertical projection area of the object carrying plate.

Further, the light source is an annular light source.

Furthermore, a soft light plate is arranged between the light source and the carrying plate.

Further, it still includes the support frame, and the central point of support frame puts and is provided with the bolt hole, pedestal and magnifying glass are all connected on the support frame, the perpendicular distance of magnifying glass to carrying thing dish upper surface bottom is L and L is less than the focal length of a time of magnifying glass.

Furthermore, the top end of the support frame is rotatably connected with the magnifier, and the bottom end of the support frame is rotatably connected with the base body.

Furthermore, the support frame is provided with a fixing clamp, the fixing clamp comprises a holding surface, a connecting rod, two nuts and a fixing rod, and the holding surface of the fixing clamp is parallel to the bottom surface of the seat body.

Further, the carrying plate is an arc-shaped plate.

Advantageous effects

Through using in the utility model a portable contact lens visualizer can obtain following advantage effect:

1. can clearly see the fine scratch or the deposit on the corneal contact lens through this device.

2. The device has simple structure and easy operation.

3. The device is provided with the rotating shaft, is easy to fold and is convenient to carry.

Drawings

FIG. 1 is a schematic structural view of the present invention with a support frame;

FIG. 2 is a sectional view taken along the line B-B of the present invention without the supporting frame;

fig. 3 is a schematic structural view of the present invention in the unfolded state;

fig. 4 is a schematic structural view of the present invention in a folded state;

FIG. 5 is a cross-sectional view taken along the line B-B of the present invention with a light source base;

FIG. 6 is a cross-sectional view taken along the direction A-A of the light absorbing plate of the present invention with the bottom surface of the light source base;

FIG. 7 is a cross-sectional view taken along the direction A-A of the present invention with a light-transmitting opening on the bottom surface of the light source base;

fig. 8 is a schematic structural view of the present invention with a first type of fixing clip;

fig. 9 is a schematic structural view of the present invention provided with a second type of fixing clip.

Legend: 1, a magnifying glass; 2. a carrying tray; 21. a handle; 3. a base with a light source; 31. a base body; 32. a light source; 311. a non-reflective structure; 312. a visor; 3121. an opening; 4. a support frame; 41. rotating a first shaft; 42. a second rotating shaft; 43. bolt holes; 5. a fixing clip; 51. adding and holding noodles; 52. a connecting rod; 53. a nut; 54. fixing the rod; 55. rotating the rod.

Detailed Description

Example 1

The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.

As shown in fig. 1 and 2, the utility model relates to a portable corneal contact lens observer, which comprises a magnifier 1, a carrying disc 2 and a base 3 with a light source, wherein the magnifier 1 is positioned vertically above the carrying disc 2 and is coaxially arranged with the carrying disc 2, and the carrying disc 2 is arranged on the base 3 with the light source; the corneal contact lens is placed in the object carrying disc 2, the magnifier 1 and the object carrying disc 2 are in the same vertical direction, an observer can directly observe the corneal contact lens in the object carrying disc 2 through the magnifier 1, the base 3 with the light source comprises a base body 31 and a light source 32, the base body 31 is of an internal hollow structure, the top surface of the base body 31 is a light shielding plate 312, the light shielding plate 312 is provided with an opening 3121, and the bottom surface of the base body 31 is a non-reflective structure 311; the light sources 32 are uniformly distributed in the hollow structure along the side wall of the seat body 31 and located in the vertical projection area of the light shielding plate 312, and the light sources 32 are connected with a power supply through wires; the object carrying disc 2 is transparent, the object carrying disc 2 is arranged in the hollow structure through the opening 3121, and the bottom end of the object carrying disc 2 is higher than the top end of the light source 32; the magnification of the magnifier 1 is more than or equal to 3 times and less than or equal to 20 times. When in use, the corneal contact lens is placed in the object carrying tray 2, the edge of the object carrying tray 2 is erected on the opening 3121, the tray body of the object carrying tray 2 is disposed in the hollow structure of the base 31, the light source 32 is turned on, the light is reflected onto the object carrying tray 2 through the side wall of the base 31, the object carrying tray 2 is transparent, the light is irradiated on the corneal contact lens through the object carrying tray 2, a large number of intact partial light rays of the corneal contact lens can pass through, when a scratch is generated, the light transmitted by the scratch can be reduced, the reflected light can be increased, the light entering the eyes of an observer can be increased, a virtual image amplified by the scratch can be presented through observation of the magnifier 1, the function of the magnifier 312 is to prevent the light of the light source 32 from directly irradiating the eyes of the observer, the observation of the corneal contact lens by the observer is affected, the bottom surface is the non-reflective structure 311, as shown in fig. 7, the non-reflective structure, the light absorption plate is made of PVC plates and is adhered with black flannelette on the surface, and the light absorption plate can effectively absorb light emitted by the light source 32 and prevent the light irradiated to the area below the object carrying plate 2 from being directly reflected to the eyes of an observer to influence the observation effect. The light source 32 is uniformly distributed to make the light in the seat 31 more uniform, and the magnification range of the magnifier 1 is 3-20 times, because when the magnification of the magnifier 1 is lower than 3 times, if the focal length of the magnifying lens 1 is too small when the magnification is higher than 20 times, it is impossible to clearly observe whether the corneal contact lens is scratched or not due to the excessively low magnification, the vertical distance from the magnifier 1 to the bottom end of the upper surface of the carrying disc 2 is L, and L is less than one time of the focal length of the magnifier, so the value of L is too small, the image generated is too large, which results in that the user can only observe a part of the corneal contact lens, can not observe the complete corneal contact lens, can not clearly and completely see the fine scratch on the corneal contact lens, under the magnification range of 3-20 times, the scratches or sediments on the corneal contact lens can be seen clearly by matching the change of the L value.

The lateral wall of seat 31 is light-tight, and the light-tight inner wall of seat 31 is for preventing that the light illumination intensity in seat 31 reduces, and the light weakens and causes the image that magnifying glass 1 observed to be blurred not clear, influences the observation effect.

Light source 32 is annular light source, sets up in the hollow structure of pedestal 31 inside and is located the vertical projection region of light screen 312, can let the light in the pedestal 31 more even through annular light source, observes through magnifying glass 1 that light shines the image that produces on the contact lens of cornea more clear, and the observer can be more audio-visual mar or the precipitate on observing the contact lens of cornea.

Light source 32 and carry and be provided with the sheen board between the thing dish 2, the sheen board adopts white thin plastic cloth or nylon cloth, can make light more soft even, reduces the contrast, prevents that light from causing the injury to observer's eye too by force, and light more evenly can make the image of cornea contact lens more clear simultaneously, further promotion observation effect.

As shown in fig. 1 and 3, it still includes support frame 4, and the central point of support frame 4 puts and is provided with bolt hole 43, pedestal 31 and magnifying glass 1 are all connected on support frame 4, and magnifying glass 1 is L with the height of carrying thing dish 2 upper surface bottom, and L is less than the one time focus of magnifying glass 1, sets up support frame 4 in order to make things convenient for observer's use, and magnifying glass 1 is the virtual image that magnifies in order to guarantee that magnifying glass 1 generates when observing with carrying apart from the limit between the thing dish 2, can let the observer observe clearly whether the contact lens is intact.

As shown in fig. 3 and 4, the top of support frame 4 rotates with magnifying glass 1 to be connected, the bottom of support frame 4 rotates with pedestal 31 to be connected, magnifying glass 1 is rotatory to the vertical top of magnifying glass 1 through axis of rotation one 41, rotatory 270 degrees are until laminating with support frame 4, pedestal 31 is rotatory to the vertical below of pedestal 31 through axis of rotation two 42, rotatory 270 degrees are until laminating with support frame 4, accomplish the folding of whole device, such setting is more convenient in order to can accomodate or carry the in-process.

As shown in fig. 5, fixedly connected with handle 21 is gone up to the outer eaves of carrying thing dish 2, when needs use, can hand handle 21 convenient will carry thing dish 2 and take off, then place the cornea contact lens in carrying thing dish 2, hand handle 21 again will carry thing dish 2 to erect on pedestal 31, such design is convenient and fast more.

As shown in fig. 5, the object carrying plate 2 is an arc-shaped plate, the arc-shaped plate is of an arc-shaped structure and is made of a PC board, so that the high transparency is achieved, and the arc-shaped structure can reduce observation errors caused by refracted light due to shape mismatching between the corneal contact lens and the object carrying plate 2, so that the observation effect is more obvious.

Example 2

As shown in fig. 6, the present embodiment is different from embodiment 1 in that the non-reflective structure 311 is a light-transmitting opening that is formed on the bottom surface of the base 31 and is coaxial with the object carrying tray 2, and the edge of the light-transmitting opening is outside the vertical projection area of the object carrying tray 2, the light-transmitting opening is formed on the bottom surface to avoid being limited by the material selection of the light-absorbing plate, the light-transmitting opening is larger than the size of the object carrying tray 2 to prevent light from directly irradiating to the eyes of an observer through reflection to affect the observation of the observer, and when in use, the present device is placed under the base 31 at a position where the non-reflective effect is obviously exhibited.

As shown in fig. 8, the fixing clip 5 is arranged on the supporting frame 4, the holding surface 51 of the fixing clip 5 is parallel to the bottom surface of the base, the fixing clip 5 is arranged under the condition that the bottom surface of the base 31 is provided with the light-transmitting opening, the device is arranged on a non-reflective object, the fixing clip 5 can be clamped on the table, the device is in a suspended state, the area aligned with the bottom of the device is ensured to be obviously non-reflective, the device is more stable and convenient for an observer to observe, when in use, the connecting rod 52 of the fixing clip 5 is screwed up by the two nuts 53 through the bolt holes 43 on the supporting frame 4, the fixing of the fixing clip 5 and the supporting frame 4 is completed, the fixing clip 5 is fixed on the table by screwing the fixing rod 54, and the observation of the corneal contact.

As shown in fig. 9, the fixing clip 5 further includes another form, the fixing clip 5 is rotatably connected to the base 31 through the rotating rod 55, the clamping surface 51 of the fixing clip 5 is parallel to the bottom surface of the base 31, the fixing clip 5 can be clamped on the edge of the table, at the moment, the opening of the fixing clip 5 is opposite to the horizontal direction of the observation area of the observer, so that the device is in a suspended state, therefore, no shielding object is arranged below the light-transmitting opening, the reflection of light in the vertical direction in the area of the light-transmitting opening is avoided, the observation is facilitated, because the fixing clip 5 is connected with the base 31 through the rotating rod 55, the bottom alignment area of the device is ensured to be obviously not reflected through the rotation of the base 31, and.

It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. A portable corneal contact lens visualizer is characterized in that: the magnifying glass comprises a magnifying glass (1), an object carrying disc (2) and a base (3) with a light source, wherein the magnifying glass (1) is located vertically above the object carrying disc (2) and is coaxially arranged with the object carrying disc (2), and the object carrying disc (2) is arranged on the base (3) with the light source; the base (3) with the light source comprises a base body (31) and the light source (32), the interior of the base body (31) is of a hollow structure, the top surface of the base body (31) is a light shielding plate (312), the bottom surface of the base body (31) is of a non-reflective structure (311), the light shielding plate (312) is provided with a first opening (3121), and the light source (32) is arranged in a vertical projection area of the light shielding plate (312) and is uniformly distributed along the circumferential direction of the side wall of the base body (31); the carrying plate (2) is transparent, the carrying plate (2) is arranged in the hollow structure through the opening I (3121), and the bottom end of the carrying plate (2) is higher than the top end of the light source (32); the magnification of the magnifier (1) is more than or equal to 3 times and less than or equal to 20 times.

2. The portable corneal contact lens scope of claim 1, wherein: the side wall of the seat body (31) is light-tight.

3. The portable corneal contact lens scope of claim 1, wherein: the non-reflective structure (311) is a light absorbing plate.

4. The portable corneal contact lens scope of claim 1, wherein: the non-reflective structure (311) is a light-transmitting opening which is arranged on the bottom surface of the base body (31) and is coaxial with the object carrying disc (2), and the edge of the light-transmitting opening is arranged outside the vertical projection area of the object carrying disc (2).

5. The portable corneal contact lens scope of claim 1, wherein: the light source (32) is an annular light source.

6. The portable corneal contact lens scope of claim 1, wherein: a light softening plate is arranged between the light source (32) and the object carrying plate (2).

7. The portable corneal contact lens scope of claim 1, wherein: it still includes support frame (4), and the central point of support frame (4) puts and is provided with bolt hole (43), pedestal (31) and magnifying glass (1) are all connected on support frame (4), magnifying glass (1) is less than the focal length of a time of magnifying glass (1) for L and L to the perpendicular distance of carrying thing dish (2) upper surface bottom.

8. The portable corneal contact lens viewer of claim 7, wherein: the top end of the support frame (4) is rotatably connected with the magnifier (1), and the bottom end of the support frame (4) is rotatably connected with the base body (31).

9. The portable corneal contact lens scope as in claim 7 or 8, wherein: the support frame (4) is provided with a fixing clamp (5), the fixing clamp (5) comprises a clamping surface (51), a connecting rod (52), two nuts (53) and a fixing rod (54), and the clamping surface (51) of the fixing clamp (5) is parallel to the bottom surface of the seat body (31).

10. The portable corneal contact lens scope of claim 1, wherein: the carrying plate (2) is an arc-shaped plate.