CN219500979U - Human eye diopter measuring instrument - Google Patents

Abstract

The utility model provides a human eye diopter measuring instrument which comprises a measuring box, wherein a movable plate is vertically arranged in the measuring box, an eye chart is arranged on one side of the movable plate, which is positioned on an observation mirror, a light-transmitting lamp is arranged on the back of the eye chart, a driving component of the movable plate is arranged in the measuring box, and a shielding plate is transversely arranged in the measuring box; according to the utility model, through the cooperation between the stabilizing frame and the measuring box, people can more easily measure the measuring box in advance, so that the measuring box is convenient to carry and move, and convenience is provided for people to measure the visual force at any time; meanwhile, the protection component protects the observation mirror, and then the observation mirror shields the observation mirror when not in use, so that the observation mirror is prevented from being damaged due to collision, and meanwhile dust can be prevented from entering the observation mirror to influence vision detection, so that the protection effect is achieved.

Description

Human eye diopter measuring instrument

Technical Field

The utility model belongs to the technical field of diopter measurement, and particularly relates to a human eye diopter measuring instrument.

Background

With the continuous development of science and technology, various electronic products such as mobile phones, computers, IPad and the like are continuously popularized, and users are getting older and older, people's consciousness of protecting eyes is also getting less and less, and problems of protruding eyeballs, reduced eyesight and myopia are more and more caused by excessive eyes.

In the detection of eyes of people, the diopter measuring instrument is needed to detect the eyes of people so as to determine the good degree of the eyes, especially the use of students and children, but the diopter measuring instrument is complex, large in size and inconvenient to move, is inconvenient to use, is inconvenient for the students of children to measure in time, and meanwhile, the observation mirror of the diopter measuring instrument is very important, and is damaged due to collision caused by the fact that the observation mirror is often lack of protection, and meanwhile, dust is easy to enter the observation mirror to influence the eyesight detection of the children.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a human eye diopter measuring instrument which solves the problems that in the prior art, the diopter measuring instrument is complex, large in size and inconvenient to move, the use is troublesome, the timely measurement of children students is inconvenient, meanwhile, the observation mirror of the diopter measuring instrument is very important, the observation mirror is damaged due to collision caused by the fact that the protection is often lacking, and meanwhile, dust is easy to enter the observation mirror to influence the eyesight detection of the children.

The utility model provides a human eye diopter measuring apparatu, includes the measurement case, laser range finder is installed to the lateral wall of measurement case, gooseneck support and upper forehead protection pad are installed in proper order to the lateral wall of measurement case and be located the upper end of laser range finder, the observation mirror is installed in the lateral wall embedding of just being located the measurement case between gooseneck support and the upper forehead protection pad, the observation mirror outside is provided with protection component, the inside of measurement case is provided with the movable plate perpendicularly, the visual acuity chart is installed to one side of movable plate and being located the observation mirror, the printing opacity lamp is installed at the back of visual acuity chart, the inside of measurement case is provided with the drive assembly of movable plate, the shielding plate is transversely installed to the inside of measurement case.

Preferably, the protection component comprises a fixed block, a protection plate, a handle, a fixing bolt and a protection pad, wherein the fixed block is arranged on the side wall of the measuring box and is positioned on the upper side and the lower side of the observation mirror, the protection plate is slidably connected in the fixed block, the handle is arranged at one end of the protection plate, the fixing bolt is connected on one side of the fixed block, and the protection pad is adhered to the front end of the fixed block.

Preferably, the protection plate is fixedly connected with the fixed block through a fixed bolt.

Preferably, the drive assembly includes spout, slider, threaded rod and bearing, the inner wall at the measuring box is seted up to the spout, slider sliding connection is in the inside of spout, the threaded rod transversely sets up in the inside of measuring box and is located the inside top of measuring box, the inside lateral wall at the measuring box is installed to the bearing.

Preferably, one end of the threaded rod is connected with the bearing, the upper end and the lower end of the moving plate are respectively connected with the sliding block and the threaded rod, and the moving plate is in threaded connection with the threaded rod.

Preferably, the moving plate is in sliding connection with the sliding groove through a sliding block.

Preferably, the front end and the rear end of the measuring box are provided with stabilizing frames, and the stabilizing frames are I-shaped and arranged at the front end and the rear end of the measuring box.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation between the stabilizing frame and the measuring box, people can more easily measure the measuring box in advance, so that the measuring box is convenient to carry and move, and convenience is provided for people to measure the visual force at any time; meanwhile, the protection component protects the observation mirror, and then the observation mirror shields the observation mirror when not in use, so that the observation mirror is prevented from being damaged due to collision, and meanwhile dust can be prevented from entering the observation mirror to influence vision detection, so that the protection effect is achieved.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the main body of the present utility model;

FIG. 3 is a schematic view of a left-hand cross-sectional structure of the main body of the present utility model;

FIG. 4 is a left side schematic view of the main body of the present utility model;

fig. 5 is a schematic side view of the guard assembly of fig. 4 in a truncated configuration.

In the figure: 1. a measuring box; 2. a laser range finder; 3. a gooseneck support; 4. an upper forehead pad; 5. an observation mirror; 6. a moving plate; 7. an eye chart; 8. a light-transmitting lamp; 9. a shielding plate; 10. a fixed block; 11. a protection plate; 12. a handle; 13. a fixing bolt; 14. a protective pad; 15. a chute; 16. a slide block; 17. a threaded rod; 18. a bearing; 19. and a stabilizing frame.

Description of the embodiments

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-5, the utility model provides a human eye diopter measuring instrument, which comprises a measuring box 1, wherein a laser range finder 2 is arranged on the outer side wall of the measuring box 1, a gooseneck support 3 and an upper forehead protection pad 4 are sequentially arranged on the outer side wall of the measuring box 1 and positioned at the upper end of the laser range finder 2, an observation mirror 5 is embedded and arranged between the gooseneck support 3 and the upper forehead protection pad 4 and positioned on the side wall of the measuring box 1, a protection component is arranged outside the observation mirror 5, a movable plate 6 is vertically arranged inside the measuring box 1, an eye chart 7 is arranged on one side of the observation mirror 5, a light-transmitting lamp 8 is arranged on the back of the eye chart 7, a driving component of the movable plate 6 is arranged inside the measuring box 1, and a shielding plate 9 is transversely arranged inside the measuring box 1.

Please refer to fig. 1, 2, 3, 4 and 5, the protection subassembly includes fixed block 10, guard plate 11, handle 12, fixing bolt 13 and protection pad 14, the fixed block 10 is installed at the lateral wall of measuring box 1 and is located the upper and lower both sides of sight glass 5, guard plate 11 sliding connection is in the inside of fixed block 10, the handle 12 is installed in the one end of guard plate 11, fixing bolt 13 connects in one side of fixed block 10, protection pad 14 bonds in the front end of fixed block 10, through the use of the protection subassembly, make the protection subassembly protect the sight glass 5, avoid the sight glass 5 to receive the collision to damage, can block the dust to enter into sight glass 5 again and influence the detection of eyesight simultaneously, thereby play the effect of protection.

Referring to fig. 1, 2, 3, 4 and 5, the protection plate 11 is fixedly connected with the fixing block 10 through the fixing bolt 13, and the protection plate 11 is mixed with the fixing bolt 13 and is fixedly connected with the fixing block 10, so that the protection plate 11 is stably blocked at the front end of the observation mirror 5, and the situation that the protection plate slides out of the fixing block 10 is reduced.

Please refer to fig. 2, the drive assembly includes spout 15, slider 16, threaded rod 17 and bearing 18, the inner wall at measuring box 1 is seted up to spout 15, slider 16 sliding connection is in the inside of spout 15, threaded rod 17 transversely sets up in measuring box 1's inside and is located measuring box 1 inside top, bearing 18 installs the inside lateral wall at measuring box 1, through drive assembly's use, makes drive assembly conveniently adjust the position of visual acuity chart 7, and then lets laser range finder 2 measure accurate stadia.

Referring to fig. 2, one end of a threaded rod 17 is connected with a bearing 18, the upper and lower ends of the moving plate 6 are respectively connected with a sliding block 16 and the threaded rod 17, the moving plate 6 is in threaded connection with the threaded rod 17, and the moving plate 6 can move along the threads on the surface by rotating the threaded rod 17 through the threaded connection between the moving plate 6 and the threaded rod 17, so that the moving plate 6 drives the position of the eye chart 7 to change.

Referring to fig. 2, the sliding connection is formed between the sliding block 16 and the sliding slot 15, and the sliding connection is formed between the sliding block 16 and the sliding slot 15 and the sliding block 16, so that the other end of the sliding plate 6 drives the sliding block 16 to move along the sliding slot 15 when moving, so that the situation of jamming can not occur.

Referring to fig. 1, 3 and 4, the front and rear ends of the measuring box 1 are provided with the stabilizing frames 19, the stabilizing frames 19 are i-shaped and are arranged at the front and rear ends of the measuring box 1, and by using the stabilizing frames 19, people can hold the stabilizing frames 19 by both hands to keep the stability of vision measurement of the measuring box 1, and meanwhile, the stabilizing frames 19 are convenient to carry the measuring box 1 to move, so that convenience is provided for people to measure vision at any time.

The specific working principle is as follows: when the human eye diopter measuring instrument is used, as shown in fig. 1-5, firstly, a person rotates the fixing bolt 13 to enable the fixing bolt 13 to be released from being fixed with the protection plate 11, then holds the handle 12 to be moved outwards to expose the observation mirror 5, then holds the stabilizing frame 19 by both hands to keep stable, places the chin on the gooseneck 3, then the forehead is attached to the forehead pad 4, then eyes observe the observation mirror 5, the protection pad 14 on the surface of the fixing block 10 protects the corners of eyes from being directly contacted with the fixing block 10, thereby improving the comfort level of vision detection, then the light-transmitting lamp 8 is started to enable the eyes to observe the vision chart 7, then the position of the vision chart 7 is adjusted according to vision, at the moment, the threaded rod 17 is rotated along the bearing 18, then the moving plate 6 moves along the threads on the surface of the threaded rod 17, meanwhile, the movable plate 6 moves along the opening of the shielding plate 9, the shielding plate 9 ensures that the eye chart 7 is in a basically sealed space, so that the eyesight test person can not be distracted, the movable plate 6 drives the sliding block 16 to move along the sliding groove 15, so that the position of the movable plate 6 changes, the eye chart 7 connected to one side of the movable plate 6 moves together until the movable plate moves to the position where the eyesight test person observes the eye chart 7 and is the clearest, then the laser range finder 2 measures the accurate vision distance, transmits data to an external computing device, calculates the accurate vision diopter degree of people by dividing the diopter measurement formula by one hundred and multiplying the clear vision distance by one hundred, and after the use, the protection plate 11 is fixed at the front end of the observation mirror 5 again to avoid the damage of the observation mirror 5 caused by collision, meanwhile, dust can be prevented from entering the observation-free mirror 5 to influence the vision detection, so that the protection function is realized, and then the measuring box 1 can be carried to move by holding the stabilizing frame 19, so that convenience is provided for people to measure the vision at any time, and the characteristic of the human eye diopter measuring instrument is realized.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims (7)

1. The utility model provides a human eye diopter measuring apparatu, includes measurement box (1), its characterized in that: the laser range finder (2) is arranged on the outer side wall of the measuring box (1), the gooseneck support (3) and the upper forehead protection pad (4) are sequentially arranged at the upper end of the laser range finder (2) on the outer side wall of the measuring box (1), the observation mirror (5) is embedded and arranged between the gooseneck support (3) and the upper forehead protection pad (4) and positioned on the side wall of the measuring box (1), and the protection component is arranged outside the observation mirror (5);

the inside of measuring box (1) is provided with movable plate (6) perpendicularly, movable plate (6) just is located one side of sight glass (5) and installs visual chart (7), light-transmitting lamp (8) are installed at the back of visual chart (7), the inside of measuring box (1) is provided with the drive assembly of movable plate (6), shielding plate (9) are transversely installed to the inside of measuring box (1).

2. A human eye diopter measurement instrument as in claim 1, wherein: the protection assembly comprises a fixed block (10), a protection plate (11), a handle (12), a fixing bolt (13) and a protection pad (14), wherein the fixed block (10) is arranged on the side wall of the measuring box (1) and is positioned on the upper side and the lower side of the observation mirror (5), the protection plate (11) is slidably connected inside the fixed block (10), the handle (12) is arranged at one end of the protection plate (11), the fixing bolt (13) is connected to one side of the fixed block (10), and the protection pad (14) is adhered to the front end of the fixed block (10).

3. A human eye diopter measurement instrument as in claim 2, wherein: the protection plate (11) is fixedly connected with the fixing block (10) through a fixing bolt (13).

4. A human eye diopter measurement instrument as in claim 1, wherein: the driving assembly comprises a sliding groove (15), a sliding block (16), a threaded rod (17) and a bearing (18), wherein the sliding groove (15) is formed in the inner wall of the measuring box (1), the sliding block (16) is slidably connected in the sliding groove (15), the threaded rod (17) is transversely arranged in the measuring box (1) and located at the top end of the inside of the measuring box (1), and the bearing (18) is arranged on the inner side wall of the measuring box (1).

5. The human eye diopter measurement instrument of claim 4, wherein: one end of the threaded rod (17) is connected with a bearing (18), the upper end and the lower end of the moving plate (6) are respectively connected with the sliding block (16) and the threaded rod (17), and the moving plate (6) is in threaded connection with the threaded rod (17).

6. The human eye diopter measurement instrument of claim 4, wherein: the moving plate (6) is connected with the sliding groove (15) in a sliding way through the sliding block (16).

7. A human eye diopter measurement instrument as in claim 1, wherein: the front end and the rear end of the measuring box (1) are provided with stabilizing frames (19), and the stabilizing frames (19) are I-shaped and arranged at the front end and the rear end of the measuring box (1).