Vision optometry unit

Abstract

The utility model belongs to the technical field of eye detection equipment, and particularly relates to a vision optometry unit which comprises a base and a movable platform arranged on the base, the movable platform can move front and back, left and right and up and down relative to the base, and an optometry detection assembly is arranged on the movable platform. A rotary supporting rack is arranged on the mobile platform on the rear side of the optometry detection assembly, a liquid crystal display screen is arranged at the supporting end of the rotary supporting rack, and the liquid crystal display screen can horizontally rotate and turn over up and down relative to the mobile platform through the rotary supporting rack. The mobile platform is simple in structure, reasonable in design and low in cost, and the liquid crystal display screen is connected to the mobile platform through the rotary supporting rack, so that the liquid crystal display screen can horizontally and circumferentially rotate and turn over up and down relative to the mobile platform by means of the rotary supporting rack; therefore, a detector can stand at different directions and angles to observe and control the liquid crystal display screen, and the liquid crystal display screen is convenient to use.

Description

Technical field:

[0001] The utility model belongs to the technical field of eye detection equipment, in particular to a vision optometry instrument. Background technology:

[0002] The vision ophthalmometer is used to check the convergence of light after it enters the eyeball, so as to detect the visual acuity and diopter. Among them, the existing vision ophthalmometer usually places the ophthalmometer detection component on a mobile platform that can move up and down, left and right, and forward and backward, so that the ophthalmometer detection component can be freely adjusted to facilitate the detection port of the ophthalmometer detection component and the position of the human eyeball to be tested to quickly focus; and a control interface is fixedly placed on the rear side of the ophthalmometer detection component, and the detection personnel control the detection operation options and methods of the ophthalmometer detection component through the control interface.

[0003] However, since the current vision ophthalmometers all fix the control interface on a mobile platform at the rear side of the ophthalmometer detection component, the tester not only needs to sit at the rear side of the vision ophthalmometer to operate it, but also after the mobile platform drives the ophthalmometer detection component and the control interface to move up and down, left and right, and front and back, the tester needs to adjust his sitting posture to cooperate with the moved control interface. There are obvious limitations in the operation and use process, and it is not flexible and convenient enough. Summary of the invention:

[0004] The purpose of the utility model is to provide a vision ophthalmometer, which connects a liquid crystal display screen to a mobile platform through a rotating support stand, so that the liquid crystal display screen can be horizontally rotated and turned upside down relative to the mobile stand with the help of the rotating support stand, and the inspection personnel can observe and operate the liquid crystal display screen from different azimuth angles.

[0005] The utility model is achieved in this way:

[0006] A vision ophthalmometer includes a base and a mobile platform arranged on the base, the mobile platform can move relative to the base in the front and back, left and right, and up and down directions, the mobile platform is provided with an optometry detection component, a rotating support frame is provided on the mobile platform located at the rear side of the optometry detection component, a liquid crystal display screen is provided on the supporting end of the rotating support frame, and the liquid crystal display screen can be horizontally rotated and flipped up and down relative to the mobile platform by the rotating support frame.

[0007] In the above-mentioned vision ophthalmometer, the rotating support stand includes a vertical column vertically arranged on a mobile platform, a rotating bracket is horizontally rotatably connected to the vertical column, the rotating bracket is flipped up and down and connected to a flip bracket, and the LCD screen is fixed on the flip bracket.

[0008] In the above-mentioned vision ophthalmometer, a rotation limit assembly for limiting the circumferential rotation angle of the rotating bracket is arranged between the mobile platform and the rotating bracket, and a flip limit assembly for limiting the up and down flipping angle of the flip bracket is arranged between the rotating bracket and the flip bracket.

[0009] In the above-mentioned vision ophthalmometer, the rotation limit assembly includes a rotation limit baffle wall 1 and a rotation limit baffle wall 2 arranged on a mobile platform, and a rotation limit portion that can respectively abut against the rotation limit baffle wall 1 and the rotation limit baffle wall 2 is arranged on the rotating bracket between the rotation limit baffle wall 1 and the rotation limit baffle wall 2, and a limit angle of 120°-180° is formed between the rotation limit baffle wall 1 and the rotation limit baffle wall 2 for limiting the circumferential rotation of the rotating bracket.

[0010] In the above-mentioned vision ophthalmometer, the flip limit assembly includes a flip limit baffle wall 1 and a flip limit baffle wall 2 arranged on the rotating bracket, and the flip bracket located between the flip limit baffle wall 1 and the flip limit baffle wall 2 has a flip limit portion that can respectively abut against the flip limit baffle wall 1 and the flip limit baffle wall 2, and the limit angle formed between the flip limit baffle wall 1 and the flip limit baffle wall 2 for limiting the up and down flipping of the flip bracket is 120°-180°.

[0011] In the above-mentioned vision ophthalmometer, the rotating bracket is provided with a position detection arc plate whose outer edge is distributed around the flipping direction of the flip bracket, and the outer edge of the position detection arc plate is divided into a radially inwardly indented fan-shaped notch portion and a radially outwardly extending fan-shaped extension portion in the vertical direction. A position detection switch for detecting the fan-shaped extension portion is fixed on the flip bracket, and the position detection switch is electrically connected to the control assembly, and the control assembly controls the display screen of the liquid crystal display screen to flip 180° according to the signal of the position detection switch.

[0012] In the above-mentioned optometrists, the rotating bracket is rotationally engaged with the vertical column through a damping assembly, and the flip bracket is rotationally engaged with the rotating bracket through a damping assembly.

[0013] In the above-mentioned vision ophthalmometer, the optometry detection component is arranged on the mobile platform with its head and tail tilted, and the head end of the optometry detection component is higher than the tail end thereof, and the tilt angle of the optometry detection component is 3°-5°.

[0014] In the above-mentioned vision ophthalmometer, a plurality of detection lamp beads are distributed around the detection port of the head end face of the ophthalmometer detection component, and position detection probes are provided on the head end faces of the ophthalmometer detection component located on the left and right sides of the detection port. The two position detection probes are used to detect the distance between the human face and the detection port of the ophthalmometer detection component. The two position detection probes are electrically connected to the control assembly, and the control assembly controls the mobile platform to move forward and backward, left and right, and up and down relative to each other according to the signals of the position detection probes.

[0015] The outstanding advantages of the utility model compared with the prior art are:

[0016] The utility model has a simple structure, reasonable design and low cost. The liquid crystal display screen is connected to the mobile platform through a rotating support stand, so that the liquid crystal display screen can be horizontally rotated and turned upside down relative to the mobile stand with the help of the rotating support stand, so that the inspection personnel can observe and operate the liquid crystal display screen from different azimuth angles, which is more convenient to use. Description of the drawings:

[0017] Figure 1 It is an overall stereogram of the utility model;

[0018] Figure 2 It is an overall side view of the utility model;

[0019] Figure 3 The utility model is a three-dimensional rotating support stand Figure 1 ;

[0020] Figure 4 The utility model is a three-dimensional rotating support stand Figure 2 .

[0021] In the figure: 1. base; 2. mobile platform; 3. optometry detection assembly; 4. vertical column; 5. rotating bracket; 6. flip bracket; 7. rotation limit baffle wall 1; 8. rotation limit baffle wall 2; 9. rotation limit part; 10. flip limit baffle wall 1; 11. flip limit baffle wall 2; 12. flip limit part; 13. position detection arc plate; 14. fan-shaped notch part; 15. fan-shaped extension part; 16. position detection switch; 17. detection lamp bead; 18. position detection probe; β, the inclination angle of the optometry detection assembly. Specific implementation method:

[0022] The present invention is further described below with reference to specific embodiments. Figure 1 —4:

[0023] A vision ophthalmometer includes a base 1 and a mobile platform 2 arranged on the base 1, the mobile platform 2 can move relative to the base 1 in the front and back, left and right, and up and down directions, the mobile platform 2 is provided with an optometry detection component 3, a rotating support frame is provided on the mobile platform 2 located at the rear side of the optometry detection component 3, a liquid crystal display screen is provided on the supporting end of the rotating support frame, and the liquid crystal display screen can be horizontally rotated and flipped up and down relative to the mobile platform 2 by the rotating support frame.

[0024] The utility model has a simple structure, reasonable design and low cost. The liquid crystal display screen is connected to the mobile platform 2 through a rotating support stand, so that the liquid crystal display screen can be horizontally rotated and turned upside down relative to the mobile stand with the help of the rotating support stand, so that the inspection personnel can observe and operate the liquid crystal display screen from different azimuth angles, which is more convenient to use.

[0025] The specific structure of the rotating support stand can be that the flip bracket 6 is connected to the mobile platform 2 by flipping up and down, and the rotating bracket 5 is connected to the flip bracket 6 by circumferential rotation. In this embodiment, the specific structure of the rotating support stand is as follows: the rotating support stand includes a vertical column 4 arranged vertically on the mobile platform 2, the rotating bracket 5 is connected to the vertical column 4 by horizontal rotation, the rotating bracket 5 is connected to the flip bracket 6 by flipping up and down, and the LCD screen is fixed on the flip bracket 6.

[0026] In order to prevent the rotation and flipping of the LCD screen from interfering with other structures of the vision tester, a rotation limit component for limiting the circumferential rotation angle of the rotating bracket 5 is provided between the mobile platform 2 and the rotating bracket 5, and a flip limit component for limiting the up and down flipping angle of the flip bracket 6 is provided between the rotating bracket 5 and the flip bracket 6.

[0027] Furthermore, the rotation limit assembly can adopt a matching structure between a limit groove and a limit slider, and in the present embodiment, the rotation limit assembly includes a rotation limit baffle wall 1 7 and a rotation limit baffle wall 2 8 arranged on the mobile platform 2, and a rotation limit portion 9 which can respectively abut against the rotation limit baffle wall 1 7 and the rotation limit baffle wall 2 8 is arranged on the rotating bracket 5 between the rotation limit baffle wall 1 7 and the rotation limit baffle wall 2 8, and a limit angle of 120°-180° is formed between the rotation limit baffle wall 1 7 and the rotation limit baffle wall 2 8 for limiting the circumferential rotation of the rotating bracket 5.

[0028] Similar to the above, the flip limit assembly can adopt a matching structure between a limit groove and a limit slider, and in the present embodiment, the flip limit assembly includes a flip limit baffle wall 10 and a flip limit baffle wall 11 arranged on the rotating bracket 5, and the flip bracket 6 located between the flip limit baffle wall 10 and the flip limit baffle wall 11 has a flip limit portion 12 which can respectively abut against the flip limit baffle wall 10 and the flip limit baffle wall 11, and a limit angle of 120°-180° is formed between the flip limit baffle wall 10 and the flip limit baffle wall 11 for limiting the flip bracket 6 from flipping up and down.

[0029] Taking into account that the screen displayed on the LCD screen will be completely inverted when it is flipped to the other side by the flip bracket 6, in order to enable the LCD screen to automatically flip and straighten the screen during the flipping process, the rotating bracket 5 is provided with a position detection arc plate 13 whose outer edge is distributed around the flipping direction of the flip bracket 6, and the outer edge of the position detection arc plate 13 is divided into a radially inwardly indented fan-shaped notch portion 14 and a radially outwardly extending fan-shaped extension portion 15 along the vertical direction. A position detection switch 16 for detecting the fan-shaped extension portion 15 is fixed on the flip bracket 6, and the position detection switch 16 is electrically connected to the control assembly, and the control assembly controls the display screen of the LCD screen to flip 180° according to the signal of the position detection switch 16.

[0030] Furthermore, in order to enable the rotating support stand to stay at various rotation and flipping angles and maintain a stable position, the rotating bracket 5 is rotationally engaged with the vertical column 4 through a damping assembly, and the flipping bracket 6 is rotationally engaged with the rotating bracket 5 through a damping assembly.

[0031] In addition, in order to facilitate the detection of human eyeballs by the optometry detection component 3, the optometry detection component 3 is tilted head and tail on the mobile platform 2, and the head end of the optometry detection component 3 is higher than the tail end thereof, and the tilt angle β of the optometry detection component is 3°-5°.

[0032] At the same time, in order to improve the detection automation and detection accuracy of the vision ophthalmometer, a plurality of detection lamp beads 17 are distributed around the detection port of the head end face of the ophthalmometer detection component 3. The light irradiated by the detection lamp beads 17 can be incident on the eyeball and then reflected into the detection port of the ophthalmometer detection component 3. Position detection probes 18 are provided on the head end faces of the ophthalmometer detection component 3 on the left and right sides of the detection port. The two position detection probes 18 are used to detect the distance between the human face and the detection port of the ophthalmometer detection component 3. The two position detection probes 18 are electrically connected to the control assembly, and the control assembly controls the mobile platform 2 to move forward and backward, left and right, and up and down relative to each other according to the signals of the position detection probes 18.

[0033] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A vision ophthalmometer, comprising a base (1) and a mobile platform (2) arranged on the base (1), wherein the mobile platform (2) can move relative to the base (1) in the forward and backward, left and right directions, and up and down directions, and an optometry detection component (3) is arranged on the mobile platform (2), characterized in that: A rotating support frame is arranged on the mobile platform (2) located at the rear side of the optometry detection component (3), a liquid crystal display screen is arranged on the supporting end of the rotating support frame, and the liquid crystal display screen can be horizontally rotated and turned upside down relative to the mobile platform (2) by rotating the supporting frame.

2. A vision ophthalmometer according to claim 1, characterized in that: The rotating support stand comprises a vertical column (4) arranged vertically on the mobile platform (2); a rotating bracket (5) is horizontally rotatably connected to the vertical column (4); the rotating bracket (5) is connected to a flip bracket (6) in an upside-down manner; and the liquid crystal display screen is fixed on the flip bracket (6).

3. A vision ophthalmometer according to claim 2, characterized in that: A rotation limiting assembly for limiting the circumferential rotation angle of the rotating bracket (5) is provided between the mobile platform (2) and the rotating bracket (5), and a flip limiting assembly for limiting the up and down flip angle of the flip bracket (6) is provided between the rotating bracket (5) and the flip bracket (6).

4. The vision ophthalmometer according to claim 3, characterized in that: The rotation limiting assembly comprises a first rotation limiting baffle wall (7) and a second rotation limiting baffle wall (8) arranged on the mobile platform (2); a rotation limiting portion (9) which can respectively abut against the first rotation limiting baffle wall (7) and the second rotation limiting baffle wall (8) is arranged on the rotation bracket (5) between the first rotation limiting baffle wall (7) and the second rotation limiting baffle wall (8); a limiting angle formed between the first rotation limiting baffle wall (7) and the second rotation limiting baffle wall (8) for limiting the circumferential rotation of the rotation bracket (5) is 120°-180°.

5. The vision ophthalmometer according to claim 3, characterized in that: The flip limit assembly comprises a first flip limit stop wall (10) and a second flip limit stop wall (11) arranged on the rotating bracket (5); a flip limit portion (12) which can abut against the first flip limit stop wall (10) and the second flip limit stop wall (11) respectively is provided on the flip bracket (6) between the first flip limit stop wall (10) and the second flip limit stop wall (11); a limit angle formed between the first flip limit stop wall (10) and the second flip limit stop wall (11) for limiting the flip bracket (6) from flipping up and down is 120°-180°.

6. A vision ophthalmometer according to claim 2 or 3, characterized in that: The rotating bracket (5) is provided with a position detection arc plate (13) whose outer edge is distributed around the flipping direction of the flip bracket (6); the outer edge of the position detection arc plate (13) is divided into a radially inwardly retracted fan-shaped notch portion (14) and a radially outwardly extended fan-shaped extension portion (15) in the vertical direction; a position detection switch (16) for detecting the fan-shaped extension portion (15) is fixed on the flip bracket (6); the position detection switch (16) is electrically connected to the control assembly, and the control assembly controls the display screen of the liquid crystal display screen to flip 180 degrees according to the signal of the position detection switch (16).

7. A vision ophthalmometer according to claim 2 or 3, characterized in that: The rotating bracket (5) is rotationally engaged with the vertical column (4) via a damping assembly, and the flip bracket (6) is rotationally engaged with the rotating bracket (5) via a damping assembly.

8. The vision ophthalmometer according to claim 1, characterized in that: The optometry detection component (3) is arranged on the mobile platform (2) with its head and tail tilted, and the head end of the optometry detection component (3) is higher than the tail end thereof. The tilt angle (β) of the optometry detection component is 3°-5°.

9. A vision ophthalmometer according to claim 1 or 8, characterized in that: The end face of the head end of the optometry detection component (3) is provided with a plurality of detection lamp beads (17) around its detection port, and the end faces of the head end of the optometry detection component (3) located on the left and right sides of the detection port are provided with position detection probes (18), the two position detection probes (18) are used to detect the distance between the human face and the detection port of the optometry detection component (3), the two position detection probes (18) are electrically connected to the control assembly, and the control assembly controls the moving platform (2) to move forward and backward, left and right, and up and down relative to each other according to the signals of the position detection probes (18).

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