CN216670992U

CN216670992U - Demonstration instrument for glasses wearing distance and stable focus

Info

Publication number: CN216670992U
Application number: CN202122647544.5U
Authority: CN
Inventors: 李照教
Original assignee: Shenzhen Huiming Eyeglasses Co ltd
Current assignee: Shenzhen Huiming Eyeglasses Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-06-03
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a demonstration instrument for glasses wearing distance and focus stability, which comprises a light irradiator, wherein a placing box is fixedly arranged on the left side of the light irradiator, a groove is arranged on the placing box, a lifting plate is connected inside the groove in a sliding manner, a sliding frame is fixedly arranged at the top of the lifting plate, a screw rod is arranged inside the sliding frame and is rotationally connected with the sliding frame, a motor is fixedly arranged on the sliding frame, a power output shaft of the motor is fixedly connected with the screw rod, a moving block is connected onto the screw rod in a threaded manner, a concave lens is fixedly arranged at the top of the moving block, a convex lens is arranged on the left side of the concave lens, a supporting column is fixedly arranged at the bottom of the convex lens, the bottom of the supporting column is fixedly connected with the placing box, a display panel is fixedly arranged on the left side of the placing box, and the motor drives a moving block to move so as to adjust the distance between the concave lens and the convex lens, therefore, the glasses can be tested to be most suitable for wearing at a distance from the eyes, so that the eyes of a user are protected to the maximum.

Description

Demonstration instrument for glasses wearing distance and stable focus

Technical Field

The utility model relates to the field of glasses, in particular to a demonstration instrument for glasses wearing distance and focus stability.

Background

How to wear correct glasses is always a problem that is ignored by people, and even how can correct glasses be worn without knowing the principle of wearing glasses by many professionals?

Firstly, the user can clearly see objects by wearing glasses, which is an optical imaging principle, the user can clearly image on the retina under the condition that the eyes do not need to be adjusted by refraction of spectacle lenses, the user can easily see objects clearly, in reality, the distance between the spectacle lenses and the focal point of the spectacle lenses are not standard because no spectacle frame is selected, although the user can not clearly image on the retina by wearing the glasses, the user can have the ultra-strong adjusting power of the universal camera, the user can clearly see objects by the adjusting power of the user's eyes even though the user does not wear the pair of glasses, but the user's eyes are easy to be tired, and the myopia degree of the user wearing the glasses is rapidly increased! The myopia prevention and control effect of the glasses is greatly discounted!

The principle behind the degree of refraction of the optometry is that many people cannot know the degree, and the degree of refraction detected by common optometry equipment is the clearest object seen by glasses through the degree of the focal position of a lens when the default distance between the eyes is 12.5 millimeters. That is to say, if the distance between the eyes changes, the focus is not right, and the degree of the glasses that we wore is not the ideal degree of optometry, and difficult clear refraction formation of image plays myopia prevention and control effect on the retina, consequently, we design a demonstration appearance that is used for glasses to wear distance and focus are stable, can be more effective correct the posture of wearing of glasses.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a demonstration instrument for glasses wearing distance and focus stabilization, so as to solve the technical problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a demonstration appearance that is used for glasses to wear distance and focus to stabilize, includes the light irradiator, the light irradiator left side has set firmly places the case, it is provided with the recess on the case to place, the inside sliding connection of recess has the lifter plate, the lifter plate top has set firmly the carriage, the inside screw rod that is provided with of carriage, the screw rod rotates with the carriage to be connected, the motor has set firmly on the carriage, the power output shaft and the screw rod rigid coupling of motor, threaded connection has the movable block on the screw rod, the movable block top has set firmly concave lens, concave lens left side is provided with convex lens, the convex lens bottom has set firmly the support column, the support column bottom with place the case rigid coupling, it has set firmly the display panel to place the case left side.

Preferably, the cross section of the moving block is in an I shape, and the moving block is connected with the lifting plate in a sliding mode.

Preferably, two auxiliary rods are arranged inside the sliding frame, and the auxiliary rods are connected with the moving block in a sliding mode.

Preferably, an electric telescopic rod is fixedly arranged inside the placing box, and the telescopic end of the electric telescopic rod is fixedly connected with the lifting plate.

Preferably, a light source switch is mounted on the light irradiator.

Preferably, the light irradiator is provided with irradiation holes, and the irradiation holes are L-shaped.

Preferably, two batteries are installed in the light irradiator.

Preferably, the light irradiator is a battery light irradiator.

The utility model has the beneficial effects that:

1. the utility model drives the moving block to move through the motor, so that the distance between the concave lens and the convex lens can be adjusted, and the most suitable position for wearing the glasses at a distance from the eyes can be tested, thereby protecting the eyes of a user to the maximum extent.

2. The lifting plate is driven to move up and down through the electric telescopic rod, so that the glasses can be worn at the optimal position at the height, and the eyes of a user can be further protected.

Drawings

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

FIG. 2 is a right side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the storage case of the present invention;

FIG. 4 is a schematic view of the connection of the moving block and the screw according to the present invention;

reference numerals: 1. a light irradiator; 2. a motor; 3. a screw; 4. a moving block; 5. an auxiliary lever; 6. a carriage; 7. placing a box; 8. a display panel; 9. a convex lens; 10. a concave lens; 11. irradiating holes; 12. a lifting plate; 13. an electric telescopic rod; 14. a support pillar; 15. and (5) switching a light source.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the utility model.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a demonstrator for glasses wearing distance and focus stability comprises a light irradiator 1, two batteries are installed in the light irradiator 1, a storage battery can be installed in the light irradiator 1, the light irradiator 1 can also be directly connected to a power supply through a wire for use, an irradiation hole 11 is arranged on the light irradiator 1, the irradiation hole 11 is L-shaped or F-shaped, but the irradiation hole of the present invention can also be in other shapes. A light source switch 15 is installed on the light irradiator 1, a placing box 7 is fixedly arranged on the left side of the light irradiator 1, a groove is arranged on the placing box 7, a lifting plate 12 is connected in the groove in a sliding manner, a sliding frame 6 is fixedly arranged on the top of the lifting plate 12, a screw rod 3 is arranged in the sliding frame 6, the screw rod 3 is rotatably connected with the sliding frame 6, two auxiliary rods 5 are arranged in the sliding frame 6, the auxiliary rods 5 are slidably connected with a moving block 4, a motor 2 is fixedly arranged on the sliding frame 6, a power output shaft of the motor 2 is fixedly connected with the screw rod 3, a moving block 4 is connected on the screw rod 3 in a threaded manner, the cross section of the moving block 4 is in an I shape, the moving block 4 is slidably connected with the lifting plate 12, a concave lens 10 is fixedly arranged on the top of the moving block 4, a convex lens 9 is arranged on the left side of the concave lens 10, a support column 14 is fixedly connected with the bottom of the convex lens 9, a display panel 8 is fixedly connected with the left side of the placing box 7, an electric telescopic rod 13 is fixedly arranged inside the placing box 7, and the telescopic end of the electric telescopic rod 13 is fixedly connected with the lifting plate 12

The light refraction principle of the lens and the cornea of an eyeball is simulated by a convex lens 9, a lens with the near vision degree is simulated by a concave lens 10, the convex lens 9 is fixed on a placing box 7, the concave lens 10 is installed on a movable moving block 4, a screw rod 3 is driven to rotate by a motor 2, the screw rod 3 drives the moving block 4 to move, and the movable block 4 drives the concave lens 10 to move, so that the distance between the concave lens 10 and the convex lens 9 is changed, the imaging effect of the simulated retina on a display board 8 behind the convex lens 9 is seen, and the importance of the distance between eyes is told when people wear glasses;

in addition, the lifting plate 12 is driven to move up and down through the electric telescopic rod 13, the lifting plate 12 drives the concave lens 10 to move up and down, the state of sliding down when the glasses are worn is simulated, the focal point of the concave lens 10 is not on the same horizontal line with the central position of the light ray and the convex lens 9, the imaging effect can be observed through the back and forth movement, the glasses are not stably worn for people, and damage is caused when the glasses slide down.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A demonstrator for glasses wearing distance and focus stabilization, comprising a light irradiator (1), characterized in that: a placing box (7) is fixedly arranged at the left side of the light irradiator (1), a groove is arranged on the placing box (7), a lifting plate (12) is connected in the groove in a sliding manner, a sliding frame (6) is fixedly arranged at the top of the lifting plate (12), a screw rod (3) is arranged in the sliding frame (6), the screw rod (3) is rotationally connected with the sliding frame (6), a motor (2) is fixedly arranged on the sliding frame (6), a power output shaft of the motor (2) is fixedly connected with the screw rod (3), a moving block (4) is connected to the screw rod (3) in a threaded manner, a concave lens (10) is fixedly arranged at the top of the moving block (4), a convex lens (9) is arranged on the left side of the concave lens (10), a supporting column (14) is fixedly arranged at the bottom of the convex lens (9), the bottom of the supporting column (14) is fixedly connected with the placing box (7), and the left side of the placing box (7) is fixedly provided with a display panel (8).

2. A demonstrator for glasses wearing distance and focus stabilization according to claim 1, characterized in that: the cross section of the moving block (4) is I-shaped, and the moving block (4) is connected with the lifting plate (12) in a sliding mode.

3. A demonstrator for glasses wearing distance and focus stabilization according to claim 1, characterized in that: two auxiliary rods (5) are arranged in the sliding frame (6), and the auxiliary rods (5) are connected with the moving block (4) in a sliding mode.

4. A demonstrator for glasses wearing distance and focus stabilization according to claim 1, characterized in that: an electric telescopic rod (13) is fixedly arranged inside the placing box (7), and the telescopic end of the electric telescopic rod (13) is fixedly connected with the lifting plate (12).

5. A demonstrator for glasses wearing distance and focus stabilization according to claim 1, characterized in that: the light source switch (15) is arranged on the light irradiator (1).

6. A demonstrator for glasses wearing distance and focus stabilization according to claim 1, characterized in that: the light irradiator (1) is provided with an irradiation hole (11), and the irradiation hole (11) is L-shaped.

7. A demonstrator for glasses wearing distance and focus stabilization according to claim 1, characterized in that: two batteries are arranged in the light irradiator (1).

8. A demonstrator for glasses wearing distance and focus stabilization according to claim 1, characterized in that: the light irradiator (1) is a storage battery light irradiator.