CN219480056U

CN219480056U - Visual acuity chart

Info

Publication number: CN219480056U
Application number: CN202320885561.9U
Authority: CN
Inventors: 熊翅; 彭海莹; 曹晓草
Original assignee: Southern Theater Command General Hospital of PLA
Current assignee: Southern Theater Command General Hospital of PLA
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-08-08
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to the technical field of vision testing, in particular to an eye chart, which comprises an anti-slip pad, wherein a fixing plate is arranged above the anti-slip pad, a threaded rod is arranged above a fixing handle, a threaded cylinder is arranged above the threaded rod, a roller is arranged on the left side of the threaded cylinder, a supporting seat is arranged above the threaded cylinder, a rotating shaft is arranged above the supporting seat, a mounting plate is arranged above the rotating shaft, a housing is arranged above the mounting plate, a lamp panel is arranged at the outer end of the housing, a handle is arranged above the housing, a pushing handle is arranged on the left side of the housing, a first motor is arranged inside the supporting seat, a second motor is arranged on the left side of the first motor, a battery is arranged on the left side of the second motor, and a lamp bar is arranged inside the housing. The device can be conveniently pushed to move to a proper position by the push plate and the roller.

Description

Visual acuity chart

Technical Field

The utility model relates to the technical field of vision testing, in particular to an eye chart.

Background

The visual chart is a chart for measuring vision. The eye chart used in China comprises an international standard eye chart, an eye chart logarithmic eye chart and a Landolt (Landolt) ring eye chart. Functionally, there are near vision meters and far vision meters. The visual acuity chart is formulated according to the principle of visual angle.

The utility model discloses a combined visual acuity chart with a publication number of CN218583064U, which comprises a substrate, wherein a lamp plate is arranged in the substrate, a plurality of lamp covers protruding outwards are distributed on the lamp plate in an array manner, visual acuity marks are arranged on the lamp covers, lamp beads are arranged in the lamp covers, and the colors of the lamp beads in the lamp covers on the same vertical straight line are different; the mounting groove has been seted up in the base plate outside, is provided with the protecting crust in the mounting groove, and the mounting groove can dismantle with the protecting crust and be connected, has seted up the spacing hole corresponding with the lamp shade on the protecting crust, is provided with a protection section of thick bamboo on the protecting crust, and a protection section of thick bamboo is linked together with spacing hole, and the lamp shade wears to establish in a protection section of thick bamboo. Through with base plate and protecting crust integrated configuration, be convenient for follow-up dismantlement maintenance, with the lamp shade of trouble dismantle can, simultaneously through a plurality of different colours lamp pearls, can realize eyesight and achromatopsia discernment simultaneously, an table is multi-purpose.

In summary, the following technical problems exist in the prior art: the common visual acuity chart is fixed on the wall surface or placed at a specified position through a bracket, so that the visual acuity chart is inconvenient to move when the visual acuity chart is required, and the height of the visual acuity chart cannot be adjusted according to different conditions.

Disclosure of Invention

The present utility model is directed to an eye chart to solve the above-mentioned problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an eye chart, includes the slipmat, the top of slipmat is provided with the fixed plate, the fixed top of your is provided with the threaded rod, the top of threaded rod is provided with the screw thread section of thick bamboo, the left side of screw thread section of thick bamboo is provided with the gyro wheel, the top of screw thread section of thick bamboo is provided with the supporting seat, the top of supporting seat is provided with the pivot, the top of pivot is provided with the mounting panel, the top of mounting panel is provided with the shell, the outer end of shell is provided with the lamp plate, the top of shell is provided with the handle, the left side of shell is provided with the pushing away the handle, the inside of supporting seat is provided with first motor, the left side of first motor is provided with the second motor, the left side of second motor is provided with the battery, the inside of shell is provided with the lamp strip, the right side of lamp strip is provided with the third motor, the right side of third motor is provided with the flabellum, the right side of flabellum is provided with the dust screen.

Preferably, the anti-slip pad is connected with the fixing plate in an adhesive mode.

Preferably, the threaded rod is in threaded connection with the threaded cylinder.

Preferably, the shell is in screw connection with the mounting plate.

Preferably, the rollers are provided in a plurality, and the rollers are uniformly arranged at the bottom of the supporting seat.

Preferably, the dustproof net is provided with a plurality of dustproof nets, and the dustproof net is uniformly arranged in the shell.

Preferably, the first motor is provided with a plurality of motors, and the first motor is symmetrical with respect to the vertical center line of the supporting seat.

The above description shows that, by the above technical solution of the present application, the technical problem to be solved by the present application can be necessarily solved.

Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:

the utility model is provided with the first motor, when the device needs to be moved, the device is moved by the push handle and the roller, after the device moves to a specified position, the first motor works, the fixed plate is contacted with the ground through the anti-skid pad by the threaded connection of the threaded rod and the threaded cylinder, the device is prevented from moving, and the height of the vision meter can be adjusted.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. an anti-slip pad; 2. a fixing plate; 3. a threaded rod; 4. a thread cylinder; 5. a support base; 6. a roller; 7. a rotating shaft; 8. a mounting plate; 9. a housing; 10. a lamp panel; 11. a handle; 12. a pushing handle; 13. a first motor; 14. a second motor; 15. a battery; 16. a light bar; 17. a dust screen; 18. a fan blade; 19. and a third motor.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Description of the preferred embodiments

As shown in fig. 1, 2 and 4, the present utility model provides a technical solution: the utility model provides an eye chart, including slipmat 1, slipmat 1's top is provided with fixed plate 2, fixed plate 2's top is provided with threaded rod 3, threaded rod 3's top is provided with screw section of thick bamboo 4, screw section of thick bamboo 4's left side is provided with gyro wheel 6, screw section of thick bamboo 4's top is provided with supporting seat 5, supporting seat 5's top is provided with pivot 7, pivot 7's top is provided with mounting panel 8, mounting panel 8's top is provided with shell 9, shell 9's outer end is provided with lamp plate 10, shell 9's top is provided with handle 11, shell 9's left side is provided with pushes away handle 12, supporting seat 5's inside is provided with first motor 13, first motor 13's left side is provided with second motor 14, second motor 14's left side is provided with battery 15, shell 9's inside is provided with lamp strip 16, lamp strip 16's right side is provided with third motor 19, third motor 19's right side is provided with flabellum 18, flabellum 18's right side is provided with net 17, shell 9 and 8 screw connection, shell 9 is provided with dust screen 17, and a plurality of dust screen 17 is provided with in the shell 9 evenly sets up in the dust screen.

Example two

The scheme in the first embodiment is further described below in conjunction with a specific working manner, and the details are described below:

as shown in fig. 3, in the preferred embodiment, further, the anti-slip pad 1 is connected with the fixing plate 2 by bonding, the threaded rod 3 is connected with the threaded cylinder 4 by threads, the first motor 13 is provided with a plurality of motors, the first motor 13 is symmetrical with respect to the vertical center line of the supporting seat 5, when the device needs to be moved, the device is moved by the push handle 12 and the roller 6, after the device is moved to a specified position, the first motor 13 works, the fixing plate 2 is contacted with the ground by the anti-slip pad 1 through the threaded connection of the threaded rod 3 and the threaded cylinder 4, the movement of the device is prevented, and the height adjustment of the visual meter can also be performed.

From the above, it can be seen that:

the utility model aims at the technical problems that: the common visual acuity chart is fixed on the wall surface or placed at a specified position through a bracket, so that the visual acuity chart is inconvenient to move when the visual acuity chart is required, and the height of the visual acuity chart cannot be adjusted according to different conditions; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:

firstly, when the device needs to be moved, the device is moved by the push handle 12 and the roller 6, after the device is moved to a specified position, the first motor 13 works, the fixed plate 2 is contacted with the ground by the anti-skid pad 1 through the threaded connection of the threaded rod 3 and the threaded cylinder 4, and the device is prevented from moving;

then, a lamp strip 16 is arranged in the shell 9, power is supplied through a battery 15 in the supporting seat 5, a lamp panel 10 is arranged at the outer end of the shell 9, a third motor 19 works when the shell works, fan blades 18 rotate to discharge air in the shell through a dust screen 17, a heat dissipation effect is achieved, and the shell 9 is fixed on the mounting plate 8 through screws;

then, when testing in different directions is needed, the second motor 14 works, and the rotating shaft 7 drives the mounting plate 8 to rotate, so that a patient can conveniently test at different angles;

finally, the top of the outer shell 9 is provided with a handle 11, which is convenient to pick up.

Through above-mentioned setting, this application must solve above-mentioned technical problem, simultaneously, realizes following technical effect:

the utility model is provided with a first motor 13, when the device needs to be moved, the device is moved by the push handle 12 and the roller 6, after the device is moved to a specified position, the first motor 13 works, the fixed plate 2 is contacted with the ground by the anti-skid pad 1 through the threaded connection of the threaded rod 3 and the threaded cylinder 4, the movement of the device is prevented, and the height of the vision meter can be adjusted.

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 an eye chart, its characterized in that, including slipmat (1), the top of slipmat (1) is provided with fixed plate (2), the top of fixed plate (2) is provided with threaded rod (3), the top of threaded rod (3) is provided with screw thread section of thick bamboo (4), the left side of screw thread section of thick bamboo (4) is provided with gyro wheel (6), the top of screw thread section of thick bamboo (4) is provided with supporting seat (5), the top of supporting seat (5) is provided with pivot (7), the top of pivot (7) is provided with mounting panel (8), the top of mounting panel (8) is provided with shell (9), the outer end of shell (9) is provided with lamp plate (10), the top of shell (9) is provided with handle (11), the left side of shell (9) is provided with pushes away handle (12), the inside of supporting seat (5) is provided with first motor (13), the left side of first motor (13) is provided with second motor (14), the top of supporting seat (5) is provided with pivot (7), the top of pivot (9) is provided with mounting panel (9), the top of mounting panel (9) is provided with shell (9), the right side (16) is provided with lamp (19), the right side of the fan blade (18) is provided with a dustproof net (17).

2. An eye chart according to claim 1, characterized in that the non-slip pad (1) is adhesively attached to the fixation plate (2).

3. An eye chart according to claim 1, characterized in that the threaded rod (3) is screwed with a threaded cylinder (4).

4. An eye chart according to claim 1, characterized in that the housing (9) is screwed to the mounting plate (8).

5. An eye chart according to claim 1, characterized in that the number of rollers (6) is several, and that the rollers (6) are arranged evenly at the bottom of the support base (5).

6. An eye chart according to claim 1, characterized in that the dust-proof net (17) is provided in number and that the dust-proof net (17) is arranged evenly in the housing (9).

7. An eye chart according to claim 1, characterized in that the first motors (13) are provided in number and that the first motors (13) are symmetrical about the vertical centre line of the support base (5).