Visual function detection device convenient to maintain

Abstract

The utility model relates to the technical field of visual function detection, and discloses a visual function detection device convenient to maintain, which comprises a device main body, a plurality of supporting columns are arranged at the bottom of the device main body, a seat is arranged on the device main body, a transmission sliding groove is formed in the device main body, a connecting block is arranged in the transmission sliding groove in a sliding manner, and the connecting block is connected with the supporting columns. A mounting bracket is mounted at the top of the connecting block, a display screen is arranged on the mounting bracket, a control panel is mounted on the device main body, a mounting column is mounted on the device main body, a second driving motor is mounted in the mounting column, and an electric lifting rod is mounted on an output shaft of the second driving motor; and a mounting table is mounted at the action output end of the electric lifting rod, and can be driven to rotate through an arranged second driving motor, so that the mounting table can be conveniently overhauled or maintained, the seat is prevented from hindering maintenance, a larger operation space is provided for maintenance personnel, and maintenance is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of visual function detection, in particular to a visual function detection device which is convenient to maintain. Background Art

[0002] Currently, visual function tests are performed by fixing the relative distance between the eye and a visual pattern (bull's eye plus a near manual eye chart), and then testing the eye's visual function by changing the type or degree of the lens. The test operation is to continuously increase or decrease the degree of the lens and communicate the visual effect with the person being tested in order to measure the corresponding visual function data.

[0003] The patent with announcement number CN212592072U discloses a device for detecting multiple visual functions of the eyes, including a mobile screen mechanism, a multiple lens replacement mechanism and a chin support lifting mechanism; a display screen is provided on the mobile screen mechanism, the chin support lifting mechanism is fixed to one end of the strip substrate of the mobile screen mechanism, and the multiple lens replacement mechanism is fixed to the strip substrate of the mobile screen mechanism at the end with the chin support lifting mechanism, so that the multiple lens replacement mechanism is located between the display screen above the mobile screen mechanism and the chin support lifting mechanism. The device is a detection device for detecting multiple visual functions of the eyes with the coordination of three elements: pattern shape change, pattern distance change, and rapid change of visual lens types.

[0004] However, the setting of multiple sets of lenses in this patent reduces the operating space, creates certain obstacles to daily maintenance, and is not convenient for maintenance during daily use. Utility Model Content

[0005] The purpose of the utility model is to provide a visual function detection device which is convenient for maintenance, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a visual function detection device that is easy to maintain, comprising a device body, a seat is installed on the device body, a transmission slide groove is opened on the device body, a connecting block is slidably installed in the transmission slide groove, a mounting bracket is installed on the top of the connecting block, a display screen is arranged on the mounting bracket, a control panel is installed on the device body, a mounting column is installed on the device body, a second drive motor is installed in the mounting column, an electric lifting rod is installed on the output shaft of the second drive motor, a mounting platform is installed on the action output end of the electric lifting rod, a first threaded rod is rotatably installed on the mounting platform, an adjusting hand wheel is installed on the top of the first threaded rod, a support plate is rotatably installed on the bottom of the first threaded rod, and a mandibular bracket is slidably installed on the support plate;

[0007] A first driving motor is arranged in the transmission slide groove, a second threaded rod is installed on the output shaft of the first driving motor, a connecting block is threadedly connected to the second threaded rod, a third driving motor is installed on the mounting platform, a bidirectional threaded rod is installed on the output shaft of the third driving motor, two mutually symmetrical transmission sliders are threadedly connected on the bidirectional threaded rod, and lens frames are installed at the bottom of the two transmission sliders.

[0008] Preferably, a trapezoidal slide groove is provided on the support plate, a trapezoidal slide block is slidably installed in the trapezoidal slide groove, and the trapezoidal slide block is installed on the mandibular bracket.

[0009] Preferably, two mutually symmetrical sliding grooves are provided on the device body, and the connecting block is slidably installed in the two sliding grooves, and the cross-section of the connecting block is in a mountain shape.

[0010] Preferably, a sliding hole is provided on the support plate, the sliding hole is adapted to the size of the electric lifting rod, and the support plate is slidably mounted on the electric lifting rod through the sliding hole.

[0011] Preferably, a plurality of support columns are installed at the bottom of the device body.

[0012] The beneficial effects of the utility model are:

[0013] In the utility model, a first drive motor can be arranged to drive the second threaded rod to rotate, so that the connecting block threadedly connected to the second threaded rod drives the display screen to move axially, thereby achieving the purpose of adjusting the distance between the display screen and the seat; the first threaded rod can be driven to rotate by rotating the adjustment hand wheel, so that the support plate drives the mandibular support to rise and fall in the vertical direction, so as to achieve the purpose of adjusting the height of the mandibular support, which is convenient for adjustment for different users and improves the adaptability of the device; the bidirectional threaded rod can be driven to rotate by the third drive motor, so as to drive the two transmission sliders to approach or move away from each other along the bidirectional threaded rod, so as to achieve the purpose of adjusting the distance between the two lens frames, further improve the adaptability of the device, and facilitate adaptation to the face shape and eye distance of different users; the mounting platform can be driven to rotate by the second drive motor, so as to facilitate the inspection or maintenance of the mounting platform, thereby avoiding the obstruction of the seat to the maintenance, providing maintenance personnel with a larger operating space and more convenient maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a visual function detection device that is convenient to maintain provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the main structure of a visual function detection device that is convenient to maintain provided by the utility model;

[0016] Figure 3It is a schematic cross-sectional structure diagram of a device body of a visual function detection device that is convenient to maintain provided by the utility model;

[0017] Figure 4 It is a schematic cross-sectional structure diagram of a trapezoidal slider and a trapezoidal slideway of a visual function detection device that is convenient for maintenance provided by the utility model;

[0018] Figure 5 The utility model provides a visual function detection device which is convenient for maintenance. Figure 3 A schematic diagram of the enlarged structure in the middle.

[0019] In the figure: 1. device body; 2. support column; 3. seat; 4. mounting column; 5. electric lifting rod; 6. mounting table; 7. adjusting hand wheel; 8. first threaded rod; 9. support plate; 10. mandibular support; 11. transmission slide groove; 12. sliding groove; 13. mounting bracket; 14. display screen; 15. connecting block; 16. control panel; 17. trapezoidal slider; 18. trapezoidal slide groove; 19. first drive motor; 20. second threaded rod; 21. bidirectional threaded rod; 22. transmission slider; 23. lens frame; 24. second drive motor; 25. sliding hole; 26. third drive motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-5 A visual function detection device convenient for maintenance comprises a device body 1, a seat 3 is installed on the device body 1, a transmission slide groove 11 is opened on the device body 1, a connecting block 15 is slidably installed in the transmission slide groove 11, a mounting bracket 13 is installed on the top of the connecting block 15, a display screen 14 is arranged on the mounting bracket 13, a control panel 16 is installed on the device body 1, a mounting column 4 is installed on the device body 1, a second drive motor 24 is installed in the mounting column 4, an electric lifting rod 5 is installed on the output shaft of the second drive motor 24, a mounting platform 6 is installed on the action output end of the electric lifting rod 5, a first threaded rod 8 is rotatably installed on the mounting platform 6, an adjusting hand wheel 7 is installed on the top of the first threaded rod 8, a support plate 9 is rotatably installed on the bottom of the first threaded rod 8, and a mandibular bracket 10 is slidably installed on the support plate 9;

[0022] A first driving motor 19 is arranged in the transmission slide groove 11, and a second threaded rod 20 is installed on the output shaft of the first driving motor 19. The connecting block 15 is threadedly connected to the second threaded rod 20. A third driving motor 26 is installed on the mounting platform 6. A bidirectional threaded rod 21 is installed on the output shaft of the third driving motor 26. Two mutually symmetrical transmission sliders 22 are threadedly connected to the bidirectional threaded rod 21, and a lens frame 23 is installed at the bottom of the two transmission sliders 22.

[0023] The second threaded rod 20 can be driven to rotate by the first driving motor 19, so that the connecting block 15 threadedly connected to the second threaded rod 20 drives the display screen 14 to move axially, thereby achieving the purpose of adjusting the distance between the display screen 14 and the seat 3; the first threaded rod 8 can be driven to rotate by rotating the adjusting hand wheel 7, so that the support plate 9 drives the mandibular support 10 to rise and fall in the vertical direction, so as to achieve the purpose of adjusting the height of the mandibular support 10, which is convenient for adjustment for different users and improves the adaptability of the device; the bidirectional threaded rod 21 can be driven to rotate by the third driving motor 26, so as to drive the two transmission sliders 22 to move closer to or away from each other along the bidirectional threaded rod 21, so as to achieve the purpose of adjusting the distance between the two lens frames 23, further improve the adaptability of the device, and facilitate adaptation to the face shape and eye distance of different users; the mounting platform 6 can be driven to rotate by the second driving motor 24, so as to facilitate the inspection or maintenance of the mounting platform 6, thereby avoiding the obstruction of maintenance by the seat 3, providing maintenance personnel with a larger operating space and more convenient maintenance.

[0024] Specifically, in this embodiment, a trapezoidal slide groove 18 is provided on the support plate 9 , a trapezoidal slider 17 is slidably installed in the trapezoidal slide groove 18 , and the trapezoidal slider 17 is installed on the mandibular support bracket 10 .

[0025] By cooperating with the trapezoidal slider 17 and the trapezoidal slide groove 18, the trapezoidal slider 17 can slide along the trapezoidal slide groove 18, thereby guiding and limiting the moving direction of the mandibular support 10, and conveniently adjusting the position of the mandibular support 10.

[0026] Specifically, in this embodiment, two mutually symmetrical sliding grooves 12 are provided on the device body 1, and the connecting block 15 is slidably installed in the two sliding grooves 12, and the cross section of the connecting block 15 is in a mountain shape.

[0027] By arranging the sliding groove 12 , the connecting block 15 can slide along the sliding groove 12 , thereby enhancing the stability of the moving process of the connecting block 15 .

[0028] Specifically, in this embodiment, a sliding hole 25 is opened on the support plate 9, and the sliding hole 25 is adapted to the size of the electric lifting rod 5. The support plate 9 is slidably installed on the electric lifting rod 5 through the sliding hole 25, and a plurality of support columns 2 are installed at the bottom of the device body 1.

[0029] By arranging the sliding holes 25 , the support plate 9 can be vertically lifted and lowered along the electric lifting rod 5 , thereby improving the stability of the support plate 9 during the movement.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A visual function detection device that is easy to maintain, characterized in that: The device comprises a device body (1), wherein a seat (3) is installed on the device body (1), a transmission slide groove (11) is provided on the device body (1), a connecting block (15) is slidably installed in the transmission slide groove (11), a mounting bracket (13) is installed on the top of the connecting block (15), a display screen (14) is arranged on the mounting bracket (13), a control panel (16) is installed on the device body (1), a mounting column (4) is installed on the device body (1), a second drive motor (24) is installed in the mounting column (4), an electric lifting rod (5) is installed on the output shaft of the second drive motor (24), a mounting platform (6) is installed on the action output end of the electric lifting rod (5), a first threaded rod (8) is rotatably installed on the mounting platform (6), an adjusting hand wheel (7) is installed on the top of the first threaded rod (8), a support plate (9) is rotatably installed on the bottom of the first threaded rod (8), and a mandibular bracket (10) is slidably installed on the support plate (9); A first drive motor (19) is arranged in the transmission slide groove (11); a second threaded rod (20) is mounted on the output shaft of the first drive motor (19); the connecting block (15) is threadedly connected to the second threaded rod (20); a third drive motor (26) is mounted on the mounting platform (6); a bidirectional threaded rod (21) is mounted on the output shaft of the third drive motor (26); two mutually symmetrical transmission slide blocks (22) are threadedly connected to the bidirectional threaded rod (21); and a lens frame (23) is mounted at the bottom of each of the two transmission slide blocks (22).

2. A visual function detection device that is easy to maintain according to claim 1, characterized in that: The support plate (9) is provided with a trapezoidal slide groove (18), a trapezoidal slide block (17) is slidably mounted in the trapezoidal slide groove (18), and the trapezoidal slide block (17) is mounted on the mandibular bracket (10).

3. The visual function detection device convenient for maintenance according to claim 1, characterized in that: The device body (1) is provided with two mutually symmetrical sliding grooves (12), and the connecting block (15) is slidably installed in the two sliding grooves (12). The cross section of the connecting block (15) is in the shape of a mountain.

4. The visual function detection device convenient for maintenance according to claim 1, characterized in that: The support plate (9) is provided with a sliding hole (25), the sliding hole (25) being adapted to the size of the electric lifting rod (5), and the support plate (9) is slidably mounted on the electric lifting rod (5) through the sliding hole (25).

5. The visual function detection device convenient for maintenance according to claim 1, characterized in that: A plurality of support columns (2) are installed at the bottom of the device body (1).

Images