Display screen rotating mechanism of an optometry device

Abstract

The utility model belongs to optometry equipment technical field especially points to a display screen rotating mechanism of optometry appearance, a display screen rotating mechanism of optometry appearance, including the base of fixed on optometry appearance main part, the top of base is along horizontal direction and is set up to have the movable slide rail of curve distribution, the inner end sliding connection of supporting swing plate is in movable slide rail, the outer end of supporting swing plate is hinged and has the display screen subassembly of carrying on up and down turnover, this display screen subassembly moves horizontally along movable slide rail to realize left and right horizontal turning. The utility model simple structure, reasonable in design, with the hinge cooperation of display screen subassembly and supporting swing plate and the sliding cooperation of supporting swing plate and movable slide rail, make display screen subassembly not only can carry on up and down turnover, still can along movable slide rail left and right horizontal turning, make the operator can stand the different angle of optometry appearance and operate and observe, convenient to use.

Description

Technical Field

[0001] This utility model belongs to the field of optometry equipment technology, and specifically refers to a rotating display screen mechanism of an optometer. Background Technology

[0002] As a core device for acquiring key data such as human eye refractive power, the computer refractometer's display screen is a crucial interface for human-computer interaction. Operators need to frequently read information such as the patient's refractive parameters and corneal data through the display screen.

[0003] In existing optometry instrument designs, the display screen is mostly fixed or only has a simple tilt angle adjustment function. This design reveals obvious limitations in actual use, namely that operators can only operate and observe from the back of the device where the display screen is installed, which is quite inconvenient for operators. Summary of the Invention

[0004] The purpose of this invention is to provide a rotating display screen mechanism for an optometer, which not only allows the display screen assembly to flip up and down, but also allows the display screen assembly to rotate horizontally left and right along a movable slide rail. Operators can operate and observe the optometer from different angles, making it convenient to use.

[0005] This utility model is implemented as follows: A rotating display screen mechanism for an optometer includes a base fixed to the main body of the optometer. The top of the base has a curved movable slide rail along the horizontal direction. The inner end of a supporting movable plate is slidably connected to the movable slide rail. A display screen assembly that can flip up and down is hinged to the outer end of the supporting movable plate. The display screen assembly moves horizontally along the movable slide rail to achieve left and right horizontal rotation.

[0006] In the above-mentioned display screen rotation mechanism of an optometer, the movable slide rail is a U-shaped movable groove that is symmetrically formed on the top surface of the base. A limiting cover plate is fixed on the base directly above the U-shaped movable groove. The inner end of the supporting movable plate is located between the limiting cover plate and the base, and a limiting distance is formed between the limiting cover plate and the base to limit the up and down position of the supporting movable plate. The inner end of the supporting movable plate is movably connected to the U-shaped movable groove through a connecting component.

[0007] In the above-mentioned display screen rotation mechanism of an optometer, the connecting component includes two connecting pins arranged side by side at the inner end of the support movable plate. The outer end of the connecting pin extends downward into the U-shaped movable groove and is fitted with a connecting bearing. The connecting bearing slides or rolls with the side wall of the U-shaped movable groove.

[0008] In the aforementioned display screen rotation mechanism of an optometer, damping pads are provided on the upper and lower surfaces of the inner end of the supporting movable plate, and the two damping pads abut against the bottom surface of the limiting cover plate and the top surface of the base, respectively.

[0009] In the aforementioned display screen rotation mechanism of an optometer, the display screen assembly includes a display screen bracket and an LCD screen mounted on the display screen bracket. The display screen bracket is hinged to the outer end of a support movable plate, and the LCD screen is electrically connected to the control assembly of the optometer body. The control assembly controls the display content of the LCD screen.

[0010] In the aforementioned display screen rotation mechanism of an optometer, the outer end of the supporting movable plate has a U-shaped structure, and the two arms of the outer end are respectively fixed to the outer end of the linear damping shaft by fasteners. The display screen bracket has a connecting part located between the two arms of the outer end of the supporting movable plate, and the left and right sides of the connecting part are respectively fixed to the inner end of the linear damping shaft on the corresponding side by fasteners.

[0011] In the aforementioned display screen rotation mechanism of an optometer, a tilt sensor or a position sensor is provided on the display screen bracket. The tilt sensor or position sensor is located on one side of the hinge between the display screen bracket and the supporting movable plate, and the tilt sensor or position sensor is used to detect the flip angle of the LCD screen relative to the horizontal plane in real time. The control assembly is electrically connected to the tilt sensor or position sensor, and the control assembly controls the screen display information to be flipped 180° according to the signal from the tilt sensor or position sensor.

[0012] The outstanding advantages of this utility model compared to the prior art are: This utility model has a simple structure and reasonable design. By using the hinged connection between the display screen assembly and the supporting movable plate, as well as the sliding connection between the supporting movable plate and the movable slide rail, the display screen assembly can not only be flipped up and down, but also rotate horizontally left and right along the movable slide rail. This allows the operator to operate and observe the optometer from different angles, making it convenient to use. Attached Figure Description

[0013] Figure 1 This is a three-dimensional view of the entire utility model; Figure 2 This is an exploded view of the overall structure of this utility model.

[0014] In the diagram: 1. Base; 2. Support plate; 3. Display screen assembly; 4. U-shaped movable groove; 5. Limiting cover; 6. Connecting pin; 7. Connecting bearing; 8. Damping pad; 9. Display screen bracket; 10. LCD screen; 11. Straight damping hinge; 12. Connecting part; 13. Tilt sensor. Detailed Implementation

[0015] The present invention will be further described below with reference to specific embodiments. See also: Figure 1 —2: A rotating display screen mechanism for an optometer includes a base 1 fixed to the main body of the optometer. The top of the base 1 has a curved movable slide rail on the horizontal direction. The inner end of a supporting movable plate 2 is slidably connected to the movable slide rail. The outer end of the supporting movable plate 2 is hinged to a display screen assembly 3 that can flip up and down. The display screen assembly 3 moves horizontally along the movable slide rail to achieve left and right horizontal rotation.

[0016] This utility model has a simple structure and reasonable design. By means of the hinged connection between the display screen assembly 3 and the supporting movable plate 2, and the sliding connection between the supporting movable plate 2 and the movable slide rail, the display screen assembly 3 can not only be flipped up and down, but also rotate horizontally left and right along the movable slide rail. This allows the operator to operate and observe the optometer from different angles, making it convenient to use.

[0017] Furthermore, the movable slide rail can be an annular or arc-shaped track surrounding the outer wall of the base 1. In this embodiment, to enable the supporting movable plate 2 to move stably on the movable slide rail, the movable slide rail is a U-shaped movable groove 4 symmetrically formed on the top surface of the base 1. A limiting cover plate 5 is fixed on the base 1 directly above the U-shaped movable groove 4. The inner end of the supporting movable plate 2 is located between the limiting cover plate 5 and the base 1, and a limiting distance is formed between the limiting cover plate 5 and the base 1 to restrict the vertical position of the supporting movable plate 2. The inner end of the supporting movable plate 2 is movably connected to the U-shaped movable groove 4 through a connecting component. That is, the limiting distance formed between the limiting cover plate 5 and the base 1 allows the supporting movable plate 2 to be relatively fixed vertically, while the cooperation structure of the connecting component in the U-shaped movable groove 4 allows the supporting movable plate 2 to move stably relative to each other in the horizontal direction.

[0018] The connecting component can be a ball bearing that rolls within the U-shaped movable groove 4. In this embodiment, the connecting component includes two connecting pins 6 arranged side by side at the inner end of the supporting movable plate 2. The outer end of the connecting pin 6 extends downward into the U-shaped movable groove 4 and is fitted with a connecting bearing 7. The connecting bearing 7 slides or rolls with the sidewall of the U-shaped movable groove 4. The diameter of the connecting bearing 7 is slightly smaller than the width of the U-shaped movable groove 4, so that the two sidewalls of the U-shaped movable groove 4 can form a relative limiting effect on the connecting bearing 7.

[0019] Meanwhile, in order to prevent the display screen assembly 3 from moving relative to each other when the angle is not adjusted, damping pads 8 are provided on the upper and lower surfaces of the inner end of the support movable plate 2. The two damping pads 8 abut against the bottom surface of the limiting cover plate 5 and the top surface of the base 1, respectively.

[0020] Furthermore, the display screen assembly 3 includes a display screen bracket 9 and an LCD screen 10 mounted on the display screen bracket 9. The display screen bracket 9 is hinged to the outer end of the supporting movable plate 2. The LCD screen 10 is electrically connected to the control assembly of the optometer body, and the control assembly controls the display content of the LCD screen 10.

[0021] In order to ensure that the display screen bracket 9 can remain stationary after being flipped up and down relative to the supporting movable plate 2 at any angle, the outer end of the supporting movable plate 2 has a U-shaped structure, and the two arms of the outer end are respectively fixed to the outer end of the straight damping shaft 11 by fasteners. The display screen bracket 9 has a connecting part 12 located between the two arms of the outer end of the supporting movable plate 2. The left and right sides of the connecting part 12 are respectively fixed to the inner end of the straight damping shaft 11 on the corresponding side by fasteners.

[0022] Furthermore, considering that during the vertical rotation of the display bracket 9, if the upward rotation angle exceeds 0°, it crosses the horizontal plane. If the image displayed on the LCD screen 10 remains in its original state at this time, the entire image will be displayed upside down, making it inconvenient for the operator to observe and operate. Therefore, in this embodiment, the display bracket 9 is equipped with a tilt sensor 13 or a position sensor. The tilt sensor 13 or position sensor is located on the hinge side between the display bracket 9 and the supporting movable plate 2. This tilt sensor 13 or position sensor is used to detect the rotation angle of the LCD screen 10 relative to the horizontal plane in real time. The control assembly is electrically connected to the tilt sensor 13 or position sensor, and the control assembly controls the image information of the LCD screen 10 to rotate 180° based on the signal from the tilt sensor 13 or position sensor. If the tilt sensor 13 is used, a common horizontal gyroscope sensor can be selected. If a position sensor is used, multiple calibration structures can be set circumferentially on the supporting movable plate. The position sensor detects different calibration structures to measure the rotation angle.

[0023] The above embodiments are only one of the preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes made in accordance with the shape, structure and principle of this utility model should be covered within the protection scope of this utility model.

Claims

1. A display screen rotation mechanism for an optometer, characterized in that: The device includes a base (1) fixed on the main body of the optometer. The top of the base (1) is provided with a curved movable slide rail along the horizontal direction. The inner end of the support movable plate (2) is slidably connected to the movable slide rail. The outer end of the support movable plate (2) is hinged with a display screen assembly (3) that can flip up and down. The display screen assembly (3) moves horizontally along the movable slide rail to achieve left and right horizontal rotation. The movable slide rail is a U-shaped movable groove (4) that is opened on the top surface of the base (1) and is symmetrical on both sides. A limit cover plate (5) is fixed on the base (1) directly above the U-shaped movable groove (4). The inner end of the support movable plate (2) is located between the limit cover plate (5) and the base (1). The limit cover plate (5) and the base (1) form a limit distance that restricts the up and down position of the support movable plate (2). The inner end of the support movable plate (2) is movably connected to the U-shaped movable groove (4) through a connecting assembly.

2. The display screen rotation mechanism of an optometer according to claim 1, characterized in that: The connecting assembly includes two connecting pins (6) arranged side by side at the inner end of the supporting movable plate (2). The outer end of the connecting pin (6) extends downward into the U-shaped movable groove (4) and is fitted with a connecting bearing (7). The connecting bearing (7) slides or rolls with the side wall of the U-shaped movable groove (4).

3. The display screen rotation mechanism of an optometer according to claim 1, characterized in that: The inner upper and lower surfaces of the support plate (2) are provided with damping pads (8), and the two damping pads (8) abut against the bottom surface of the limiting cover plate (5) and the top surface of the base (1), respectively.

4. The display screen rotation mechanism of an optometer according to claim 1, characterized in that: The display assembly (3) includes a display bracket (9) and an LCD screen (10) mounted on the display bracket (9). The display bracket (9) is hinged to the outer end of the support movable plate (2). The LCD screen (10) is electrically connected to the control assembly of the optometer body. The control assembly controls the display content of the LCD screen (10).

5. The display screen rotation mechanism of an optometer according to claim 4, characterized in that: The outer end of the support movable plate (2) has a U-shaped structure, and the two arms of the outer end are respectively fixed to the outer end of the one-line damping shaft (11) by fasteners. The display screen bracket (9) has a connecting part (12) located between the two arms of the outer end of the support movable plate (2). The left and right sides of the connecting part (12) are respectively fixed to the inner end of the one-line damping shaft (11) on the corresponding side by fasteners.

6. The display screen rotation mechanism of an optometer according to claim 4, characterized in that: The display support (9) is equipped with a tilt sensor (13) or a position sensor. The tilt sensor (13) or position sensor is located on one side of the hinge between the display support (9) and the support movable plate (2). The tilt sensor (13) or position sensor is used to detect the flip angle of the LCD screen (10) relative to the horizontal plane in real time. The control assembly is electrically connected to the tilt sensor (13) or position sensor. The control assembly controls the screen information of the LCD screen (10) to be flipped 180° according to the signal of the tilt sensor (13) or position sensor.

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