CN219661667U

CN219661667U - Vision measurement eye shielding instrument capable of avoiding compression to eyes

Info

Publication number: CN219661667U
Application number: CN202222946148.7U
Authority: CN
Inventors: 杨娟
Original assignee: Air Force Hospital of Eastern Theater of PLA
Current assignee: Air Force Hospital of Eastern Theater of PLA
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-09-12
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a vision measuring eye shielding instrument for avoiding pressing eyes, and relates to the technical field of eye shielding instruments. Including inside cavity, front and back side open-ended fixed frame, the equal fixedly connected with baffle of inner wall both sides of fixed frame, the inner chamber of fixed frame is located two the activity is equipped with the eye mask between the baffle, the front side of fixed frame is located its front side open-ended top and is equipped with the operating device who operates the eye mask and move about, the bottom fixedly connected with of fixed frame is the connecting rod of L shape, the connecting rod is connected with the bracing piece, the top fixedly connected with chin rest of bracing piece, the top of fixed frame is equipped with range finding mechanism. This avoid leading to the fact the sight force eye-shading appearance of oppression to eyes, the user puts the chin on the chin rest to make its eye be located fixed frame, through operation eye-shading board activity, can shelter from one of them eyes of user, can avoid leading to the fact the oppression to user's eyes, shelter from the performance simultaneously good, and can fix the measurement distance.

Description

Vision measurement eye shielding instrument capable of avoiding compression to eyes

Technical Field

The utility model relates to the technical field of eye shielding instruments, in particular to a vision measuring eye shielding instrument for preventing eyes from being pressed.

Background

The vision test is generally to test the single-eye vision, and the non-test needs to be covered at one glance, so that the tested person basically holds a spoon to cover the left eye and the right eye of the tested person for vision test no matter in hospitals or schools at present.

In the detection process, a person to be detected needs to hold the eye shielding plate to shield the left eye or the right eye, and in the eye shielding process, when the eye shielding plate is used for pressing the eyes, the eyes are easy to be pressed, and meanwhile, the problem of inaccurate vision detection is caused because the measurement distance is changed due to the back-and-forth swing of the body.

Disclosure of Invention

The utility model provides a vision measuring and eye shielding instrument for avoiding pressing eyes, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a avoid leading to the fact eyesight of oppression to hide eye appearance, includes inside cavity, front and back side open-ended fixed frame, the equal fixedly connected with baffle in inner wall both sides of fixed frame, the inner chamber of fixed frame is located two the activity is equipped with the eye shield between the baffle, the front side of fixed frame is located its front side open-ended top and is equipped with the operating device who operates the eye shield and carry out the activity, the bottom fixedly connected with of fixed frame is the connecting rod of L shape, the connecting rod is connected with the bracing piece, the top fixedly connected with chin support of bracing piece, the top of fixed frame is equipped with range finding mechanism.

Further, operating device includes bar groove, operation piece, the front side of fixed frame is located its front side opening top and has offered the bar groove that is linked together with its inner chamber, the front side fixedly connected with of eye shield passes the operation piece in bar groove.

Further, the bottom inner wall of the strip groove is uniformly provided with convex teeth, a clamping groove is formed between every two adjacent convex teeth, the bottom of the operation block is provided with a movable groove, the top inner wall of the movable groove is connected with a clamping rod through a spring, and the clamping rod can be clamped into the clamping groove formed between every two adjacent convex teeth.

Further, the range finding mechanism includes the range finding box, the front side of range finding box is equipped with laser range finding sensor.

Further, battery and laser range sensor PCB board are equipped with to the inside of range finding box, one side of range finding box is equipped with the mouth that charges for battery charging.

Further, be equipped with the microprocessor that is connected with laser range sensor electricity in the range finding box, the inside of range finding box still is equipped with the bluetooth module that is connected with the microprocessor electricity.

Compared with the prior art, the utility model provides the vision measuring and hiding instrument for preventing eyes from being pressed, which has the following beneficial effects:

1. this avoid leading to the fact the sight force eye-shading appearance of oppression to eyes, the user puts the chin on the chin rest to make its eye be located fixed frame, through operation eye-shading board activity, can shelter from one of them eyes of user, can avoid leading to the fact the oppression to user's eyes, shelter from the performance simultaneously good.

2. This avoid causing the eyesight of oppression to eye to hide eye appearance through setting up range finding box and laser range finding sensor, can survey the distance between user and the eye chart to adjust, the fixer of chin holds in the palm can make the measurement distance fixed unification, does not change along with the posture of being measured the person and changes.

Drawings

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

FIG. 2 is a schematic plan view of a fixing frame according to the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A;

fig. 4 is a schematic structural view of a distance measuring box according to the present utility model;

fig. 5 is a schematic structural view of the chin rest of the present utility model.

In the figure: 1. a fixed frame; 2. a baffle; 3. an eye shield; 4. a chin rest; 5. a strip groove; 6. an operation block; 7. convex teeth; 8. a clamping rod; 9. a movable groove; 10. a spring; 11. a distance measuring box; 12. a laser ranging sensor; 13. and a charging port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model discloses a vision measuring eye shielding instrument for preventing eyes from being pressed, which comprises a fixed frame 1 with a hollow interior and front and rear side openings, wherein two baffle plates 2 are fixedly connected to two sides of the inner wall of the fixed frame 1, an eye shielding plate 3 is movably arranged between the two baffle plates 2 in an inner cavity of the fixed frame 1, an operating mechanism for operating the eye shielding plate 3 to move is arranged above the front side opening of the fixed frame 1, a connecting rod in an L shape is fixedly connected to the bottom of the fixed frame 1, a supporting rod is connected to the connecting rod, a chin rest 4 is fixedly connected to the top end of the supporting rod, and a distance measuring mechanism is arranged at the top of the fixed frame 1.

Specifically, operating device includes bar groove 5, operation piece 6, bar groove 5 that is linked together with its inner chamber is seted up to the front side of fixed frame 1 in its front side opening top, the front side fixedly connected with of eye shield 3 passes bar groove 5's operation piece 6.

The bottom inner wall of the strip groove 5 is uniformly provided with convex teeth 7, a clamping groove is formed between every two adjacent convex teeth 7, a movable groove 9 is formed in the bottom of the operation block 6, the top inner wall of the movable groove 9 is connected with a clamping rod 8 through a spring 10, and the clamping rod 8 can be clamped into the clamping groove formed between every two adjacent convex teeth 7.

In this embodiment, the operation block 6 is driven to slide along the slot 5, so that the eye shielding plate 3 can be driven to move, one eye of a user can be shielded, and the cooperation between the clamping rod 8 and the convex teeth 7 can play a role in limiting and fixing the eye shielding plate 3 after the position of the eye shielding plate 3 is adjusted, so that the eye shielding plate is relatively stable.

Specifically, the range finding mechanism includes a range finding box 11, and a laser range finding sensor 12 is provided on the front side of the range finding box 11.

The inside of range finding box 11 is equipped with battery and laser range finding sensor PCB board, one side of range finding box 11 is equipped with the mouth 13 that charges for the battery.

The distance measuring box 11 is internally provided with a microprocessor electrically connected with the laser distance measuring sensor 12, and the inside of the distance measuring box 11 is also provided with a Bluetooth module electrically connected with the microprocessor.

In this embodiment, the bluetooth module is in signal connection with a mobile terminal, which may be a computer, a mobile phone, an IPAD, etc., and when the user wears the fixed frame 1 and looks at the eye chart, the laser ranging sensor 12 may measure the distance between the wearer and the eye chart, and transmit the distance data to a inspector using the mobile terminal through the bluetooth module, so that the distance between the user and the eye chart may be determined and adjusted.

In summary, the vision measuring eye shielding instrument capable of avoiding pressing the eyes can prevent pressing the eyes of the user and has good shielding performance by placing the chin on the chin rest 4 and positioning the eyes thereof in the fixing frame 1 and operating the eye shielding plate 3 to move. By arranging the distance measuring box 11 and the laser distance measuring sensor 12, the distance between the user and the visual chart can be measured so as to be adjusted, and the measuring distance can be fixed and unified by the chin rest holder without changing along with the posture change of the measured person.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a avoid leading to the fact eyesight of oppression to eye to survey power eye-shading appearance, includes inside cavity, front and back side open-ended fixed frame (1), its characterized in that: the utility model discloses a fixed frame, including fixed frame (1), baffle (2) are all fixedly connected with to the inner wall both sides of fixed frame (1), the inner chamber of fixed frame (1) is located two the activity is equipped with between baffle (2) and hides eye board (3), the front side of fixed frame (1) is located its front side open-ended top and is equipped with the operating device who operates and hide eye board (3) and carry out the activity, the bottom fixedly connected with of fixed frame (1) is the connecting rod of L shape, the connecting rod is connected with the bracing piece, the top fixedly connected with chin holds in the palm (4) of bracing piece, the top of fixed frame (1) is equipped with range finding mechanism.

2. A vision masking device for avoiding stress on the eye as defined in claim 1, wherein: the operating mechanism comprises a strip groove (5) and an operating block (6), the strip groove (5) communicated with the inner cavity of the fixed frame (1) is formed in the position, above the front opening, of the fixed frame, and the operating block (6) penetrating through the strip groove (5) is fixedly connected to the front side of the eye shielding plate (3).

3. A vision masking instrument for avoiding stress on the eye as defined in claim 2, wherein: the bottom inner wall of bar groove (5) evenly is formed with dogtooth (7), adjacent form the draw-in groove between dogtooth (7), movable groove (9) have been seted up to the bottom of operation piece (6), the top inner wall of movable groove (9) is connected with draw-in lever (8) through spring (10), in the draw-in groove that forms between can block into adjacent dogtooth (7) of draw-in lever (8).

4. A vision masking device for avoiding stress on the eye as defined in claim 1, wherein: the distance measuring mechanism comprises a distance measuring box (11), and a laser distance measuring sensor (12) is arranged on the front side of the distance measuring box (11).

5. A vision masking device for avoiding stress on the eye as defined in claim 4, wherein: the battery and the laser ranging sensor PCB are arranged in the ranging box (11), and a charging port (13) for charging the battery is arranged on one side of the ranging box (11).

6. A vision masking device for avoiding stress on the eye as defined in claim 5, wherein: the novel range finding box is characterized in that a microprocessor electrically connected with a laser range finding sensor (12) is arranged in the range finding box (11), and a Bluetooth module electrically connected with the microprocessor is further arranged in the range finding box (11).