CN213394525U

CN213394525U - Intelligent liquid crystal visual acuity chart

Info

Publication number: CN213394525U
Application number: CN202022085211.3U
Authority: CN
Inventors: 曾宏洋
Original assignee: Guangdon Eyesws Medical Technology Co ltd
Current assignee: Guangdon Eyesws Medical Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-08
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to an intelligent liquid crystal visual acuity chart, which comprises a display screen and a back plate; the display screen is detachably arranged on the back plate; the back plate is detachably provided with a base; a cavity is arranged on the base; a connecting seat is rotatably arranged in the cavity; a plurality of first through holes arranged in an array are formed in the bottom surface of the cavity; a plurality of second through holes corresponding to the first through holes are formed in the connecting seat; the intelligent liquid crystal visual acuity chart further comprises a support frame; and the support frame is provided with a limiting part inserted into the corresponding first through hole and the second through hole. The effect is as follows: the angle adjusting mode of the display screen is simple, when the angle of the display screen in the horizontal direction needs to be adjusted, the supporting frame does not need to be detached from the wall, and the complex steps of re-assembling and disassembling in the past are avoided.

Description

Intelligent liquid crystal visual acuity chart

Technical Field

The utility model relates to an eye chart, more specifically say, it relates to an intelligence liquid crystal eye chart.

Background

Many hospitals at present can use the visual chart of intelligent liquid crystal visual chart to replace the paper version, but the intelligent liquid crystal visual chart will select a fixed place to hang, because its dead weight and inside electronic component's thickness, it is big to lead to hanging difficulty of intelligent liquid crystal visual chart, is difficult to guarantee that intelligent liquid crystal visual chart is in the vertical direction all the time, leads to measuring the data that the person of eyesight often leads to detecting out because the slope of intelligent liquid crystal eyesight is inaccurate.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an intelligence liquid crystal visual acuity chart has the advantage of adjustable display screen angle.

The above technical purpose of the present invention can be achieved by the following technical solutions: an intelligent liquid crystal visual acuity chart comprises a display screen and a back plate; the display screen is detachably arranged on the back plate; the back plate is detachably provided with a base; a cavity is formed on the upper recess of the base; a connecting seat is rotatably arranged in the cavity; a plurality of first through holes arranged in an array are formed in the bottom surface of the cavity; a plurality of second through holes corresponding to the first through holes are formed in the connecting seat;

the intelligent liquid crystal visual acuity chart further comprises a support frame; and the support frame is provided with a limiting part inserted into the corresponding first through hole and the second through hole.

Optionally, the cavity is a cylindrical cavity; the connecting seat is a cylindrical connecting seat matched with the cylindrical cavity.

Optionally, a storage box is arranged on the back plate; a remote controller for controlling the opening or closing of the display screen is accommodated in the storage box; the remote controller is electrically connected with the display screen.

Optionally, the first through holes are circumferentially spaced along the axis of the cavity.

Optionally, a circular ring-shaped baffle is arranged in the cavity; the connecting seat is arranged between the baffle and the bottom surface of the cavity.

Optionally, the support frame includes a connecting portion and a support leg for connecting with a wall; the support legs are fixedly connected with the connecting parts; the limiting part is arranged on the connecting part.

Optionally, the limiting part includes a plurality of limiting posts corresponding to the plurality of first through holes; the limiting column is fixedly arranged on the connecting part.

Optionally, a level gauge for determining whether the backboard is horizontal is arranged on the backboard.

Optionally, a plurality of heat dissipation holes are formed in the back plate.

To sum up, the utility model discloses following beneficial effect has: the angle adjusting mode of the display screen is simple, when the angle of the display screen in the horizontal direction needs to be adjusted, the supporting frame does not need to be detached from the wall, and the complex steps of re-assembling and disassembling in the past are avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the base of the present invention;

fig. 3 is a schematic structural view of the middle support frame of the present invention.

In the figure: 1. a display screen; 2. a back plate; 3. a cavity; 31. a first through hole; 4. a connecting seat; 41. a second through hole; 5. a support frame; 51. a connecting portion; 52. a support leg; 6. a limiting part; 7. a storage box; 8. a circular baffle plate; 9. a level gauge; 10. heat dissipation holes; 11. a base.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.

The application provides an intelligent liquid crystal visual acuity chart, as shown in fig. 1, which comprises a display screen 1 and a back plate 2; the display screen 1 is detachably arranged on the back plate 2; a base 11 is detachably arranged on the back plate 2; a cavity 3 is arranged on the base 11; a connecting seat 4 is rotatably arranged in the cavity 3; a plurality of first through holes 31 arranged in an array are formed in the bottom surface of the cavity 3; a plurality of second through holes 41 corresponding to the plurality of first through holes 31 are formed in the connecting seat 4; the intelligent liquid crystal visual acuity chart further comprises a support frame 5; the support frame 5 is provided with a stopper 6 inserted into the corresponding first through hole 31 and second through hole 41.

The utility model provides an intelligence liquid crystal visual chart can effectively solve the visual chart and set up the not good condition of effect that the unbalance led to the test on the wall body. The display screen 1 of the application can be used for displaying an eye chart to perform vision tests. But this application can dismantle on backplate 2 and set up base 11, sets up cavity 3 on base 11, and this cavity 3 is inwards sunken to form by base 11. And the support frame 5 is used for supporting the display screen 1 and the back plate 2 on the wall body. When the display screen 1 and the back plate 2 are hung on a wall, the limiting part 6 passes through the first through hole 31 and the second through hole 41, so that the connecting seat 4 is limited and cannot rotate in the cavity 3. When the angle of display screen 1 and horizontal plane needs to be adjusted, pull out first through-hole 31 and second through-hole 41 with spacing portion 6 on the support frame 5, then at wall body internal rotation connecting seat 4, thereby adjust the angle of display screen 1 on the horizontal direction, insert spacing portion 6 again to first through-hole 31 and second through-hole 41 after angular adjustment finishes, spacing portion 6 passes first through-hole 31 and second through-hole 41, make connecting seat 4 by spacing unable rotation in cavity 3, make backplate 2 support on the wall body once more. The adjusting mode is simple, when the angle of the display screen 1 in the horizontal direction needs to be adjusted, the supporting frame 5 does not need to be detached from the wall, and the complex steps of re-assembling and disassembling in the prior art are avoided.

In addition, can put the piece through setting up the card on the spacing portion 6 with on the support frame 5 to set up first through-hole 31 and get bigger than second through-hole 41, make the card put the piece and can't pull out in second through-hole 41, intelligence inserts in first through-hole 31, ground that drops when angle of adjustment with the intelligent liquid crystal visual chart of this application is effectively prevented.

In an alternative embodiment, the cavity 3 is a cylindrical cavity 3; the connecting seat 4 is a cylindrical connecting seat 4 matched with the cavity 3, so that the connecting seat 4 can rotate in the cavity 3. In practical application, a bearing is arranged between the connecting seat 4 and the cavity 3, so that the connecting seat 4 and the cavity 3 can rotate more stably and smoothly.

Further, a plurality of the first through holes 31 are circumferentially arranged along the axis of the cavity 3 at intervals. So that the first through hole 31 and the second through hole 41 are overlapped continuously when the backboard 2 rotates.

In an optional embodiment, the back plate 2 is provided with a storage box 7; a remote controller for controlling the opening or closing of the display screen 1 is accommodated in the accommodating box 7; the remote controller is electrically connected with the display screen 1. The remote controller can control display screen 1 and open and close to this application sets up receiver 7 on backplate 2, makes when using the intelligent liquid crystal visual acuity chart of this application, and the user can not see receiver 7 on backplate 2.

In an alternative embodiment, a circular ring-shaped baffle 8 is arranged in the cavity 3; the connecting seat 4 is arranged between the baffle and the bottom surface of the cavity 3. The annular baffle 8 is overlapped with the axis of the cavity 3, and the connecting seat 4 is arranged between the baffle and the bottom surface of the cavity 3, so that the position of the connecting seat 4 can be effectively limited, and the connecting seat 4 is prevented from falling out of the cavity 3.

In an alternative embodiment, the supporting frame 5 includes a connecting portion 51 and a supporting leg 52 for connecting with a wall; the supporting leg 52 is fixedly connected with the connecting part 51; the stopper portion 6 is provided on the connecting portion 51, and the stopper portion 6 is insertable into the first through hole 31 and the second through hole 41. In practical applications, the legs 52 are integrally formed with the connecting portion 51, and the legs 52 can be disposed on the wall by providing threaded holes on the legs 52, or the legs 52 can be disposed on the wall by providing adhesive members on the legs 52.

Further, the limiting part 6 comprises a plurality of limiting columns corresponding to the first through holes 31; the limiting column is fixedly arranged on the connecting part 51. Spacing post can insert into first through-hole 31 and second through-hole 41 to can be through setting up first through-hole 31 greatly than second through-hole 41, make spacing post can't pull out in second through-hole 41, intelligence inserts in first through-hole 31, ground that drops when angle of adjustment with the intelligent liquid crystal visual chart of this application effectively prevents.

In one embodiment, a level 9 is provided on the backboard 2 for determining whether the backboard 2 is level. Since it is difficult for a person to judge whether the display screen 1 is in the vertical direction from near when adjusting the display screen 1, the level gauge 9 is required to assist in judging whether the display screen 1 is in the vertical direction.

In this embodiment, a plurality of heat dissipation holes 10 are further disposed on the back plate 2. To prevent the possibility of short circuits due to overheating of the display 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An intelligent liquid crystal visual acuity chart is characterized by comprising a display screen and a back plate; the display screen is detachably arranged on the back plate; the back plate is detachably provided with a base; a cavity is formed on the upper recess of the base; a connecting seat is rotatably arranged in the cavity; a plurality of first through holes arranged in an array are formed in the bottom surface of the cavity; a plurality of second through holes corresponding to the first through holes are formed in the connecting seat;

2. The intelligent liquid crystal eye chart of claim 1, wherein the cavity is a cylindrical cavity; the connecting seat is a cylindrical connecting seat matched with the cylindrical cavity.

3. The intelligent liquid crystal eye chart according to claim 1, wherein a storage box is provided on the back plate; a remote controller for controlling the opening or closing of the display screen is accommodated in the storage box; the remote controller is electrically connected with the display screen.

4. The intelligent liquid crystal visual acuity chart of claim 2, wherein the first through holes are circumferentially spaced along the axis of the cavity.

5. The intelligent liquid crystal eye chart of claim 1, wherein a circular baffle is disposed within the cavity; the connecting seat is arranged between the baffle and the bottom surface of the cavity.

6. The intelligent liquid crystal visual acuity chart of claim 1, wherein the support frame comprises a connecting portion and a support leg for connecting with a wall; the support legs are fixedly connected with the connecting parts; the limiting part is arranged on the connecting part.

7. The intelligent liquid crystal eye chart of claim 6, wherein the position limiting part comprises a plurality of position limiting columns corresponding to a plurality of the second through holes; the limiting column is fixedly arranged on the connecting part.

8. The intelligent liquid crystal eye chart of claim 1, wherein a level gauge for determining whether the backboard is level is provided on the backboard.

9. The intelligent liquid crystal eye chart according to claim 1, wherein a plurality of heat dissipation holes are arranged on the back plate.