阅读说明：本技术 一种多模式变换的视力表 (Multi-mode-changing visual chart ) 是由 王晓丽 李金成 于 2021-07-09 设计创作，主要内容包括：本发明公开了一种多模式变换的视力表,包括：设备外壳,所述设备外壳前侧设置有用于观看视力表的显示框,且设备外壳前侧顶部开设有用于插入检测表的插片槽,并且设备外壳后侧连接有后盖,设备槽,所述开设在设备外壳底部上,且底部滑槽对称开设在设备槽两侧上,并且设备外壳上方对应开设有顶部滑槽,滑杆,所述滑杆安装在底部滑槽和顶部滑槽之间,且滑杆上侧连接有上部滑板,并且滑杆下侧连接有下部滑板。该多模式变换的视力表,将多种不同功能的测量表合为一体,并能随时灵活切换检测方式,能减少频繁搬运不同视力表的麻烦,以及能够快速调节不同的测量表,进而有效提升装置的测量效率,并有利于对测量表的集中收集和存放。(The invention discloses an eye chart with multi-mode conversion, which comprises: the equipment shell, the equipment shell front side is provided with the display frame that is used for watching the visual acuity chart, and the insertion piece groove that is used for inserting the detection table is offered at equipment shell front side top to equipment shell rear side is connected with the back lid, and the equipment groove, set up on equipment shell bottom, and bottom spout symmetry sets up on equipment groove both sides to equipment shell top correspondence has seted up the top spout, the slide bar is installed between bottom spout and top spout, and the slide bar upside is connected with the upper portion slide to the slide bar downside is connected with the lower part slide. This multi-mode conversion's visual chart closes the measuring meter of multiple different functions as an organic whole to can switch the detection mode at any time in a flexible way, can reduce the trouble of frequently carrying different visual charts, and can the different measuring meters of quick adjustment, and then effective hoisting device's measurement of efficiency, and be favorable to the concentrated collection and deposit to the measuring meter.)

1. A multi-modal transforming eye chart, comprising:

the visual acuity test chart display device comprises an equipment shell, a display frame for watching a visual acuity chart is arranged on the front side of the equipment shell, a plug-in sheet groove for inserting a test chart is formed in the top of the front side of the equipment shell, and a rear cover is connected to the rear side of the equipment shell;

the equipment groove is formed in the bottom of the equipment shell, the bottom sliding grooves are symmetrically formed in two sides of the equipment groove, and the top sliding grooves are correspondingly formed in the upper portion of the equipment shell;

the sliding rod is installed between the bottom sliding groove and the top sliding groove, the upper side of the sliding rod is connected with the upper sliding plate, and the lower side of the sliding rod is connected with the lower sliding plate.

2. A multi-mode vision chart as set forth in claim 1, wherein: the display frame and the insertion sheet groove are arranged in the backward inclined direction on the equipment shell, the equipment shell and the rear cover form a dismounting structure, and the equipment shell and the rear cover are made of plastic materials.

3. A multi-mode vision chart as set forth in claim 1, wherein: the slide bars are symmetrically arranged about the center of the equipment groove and form a sliding structure with the equipment groove through the bottom sliding groove and the top sliding groove, and the slide bars are connected on the equipment groove in a vertical angle mode.

4. A multi-mode vision chart as set forth in claim 1, wherein: the upper portion slide and the lower part slide respectively with the slide bar through connection, and the front side of upper portion slide and lower part slide is the slope arch bar of connecting along same parallel angle to the arch bar length of upper portion slide is less than the arch bar length of lower part slide, and upper portion slide and lower part slide front side still are provided with rectangular form magnet piece simultaneously.

5. The multi-modal visual acuity chart of claim 4, wherein: still correspond on the magnet piece and be provided with the eyesight measurement table, and still be provided with the weakness of colour measurement table between the eyesight measurement table to the eyesight measurement table is the metal material, and the weakness of colour measurement table is flexible chemical fibre cloth material simultaneously.

6. A multi-modal transformation eye chart as set forth in claim 5, wherein: visual acuity test table and look weak measurement table constitute the magnetic adsorption structure through magnet piece and upper portion slide and lower part slide respectively, and upper portion slide back still is provided with the upper portion bull stick to lower part slide back still is provided with the lower part bull stick, still is provided with well axostylus axostyle between upper portion bull stick and the lower part bull stick simultaneously.

7. A multi-modal transformation eye chart as set forth in claim 6, wherein: the upper rotating rod is respectively connected with the upper sliding plate and the middle shaft rod in a rotating mode, the lower rotating rod is respectively connected with the lower sliding plate and the middle shaft rod in a rotating mode, an electric telescopic rod is further arranged at one end of the middle shaft rod, and meanwhile the lower sliding plate and the upper sliding plate form a telescopic structure through the electric telescopic rod and the lower rotating rod.

Technical Field

The invention relates to the technical field of visual charts, in particular to a multi-mode conversion visual chart.

Background

The visual acuity test chart is a visual acuity measuring tool, wherein the visual acuity test modes comprise near and far vision measurement and color blindness and color weakness measurement, the near and far vision test chart is generally composed of 14 lines of letters E with different sizes and directions, a measurer is required to be separated from the test chart by 5 meters and judge the directions of the letters when in use, the color blindness and color weakness measurement chart is a number or a pattern composed of dots with different colors, and the number and the pattern are required to be distinguished according to the colors when in use.

But the visual chart that uses at present is independent single device usually, and same measurement table can only be used for single measurement mode when using, consequently need carry out multinomial visual acuity test time measuring, can only change different visual charts constantly, but the visual chart is bulky, so the transport is troublesome when using, still be unfavorable for accomodating and depositing, the efficiency of visual acuity test has been reduced simultaneously, and then can't be convenient for carry out the transform of visual acuity test mode fast, to above-mentioned problem, the urgent need carries out the innovative design on the basis of original visual chart.

Disclosure of Invention

The invention aims to provide a multi-mode conversion visual chart, which aims to solve the problems that the existing visual chart in the background technology has a single structure and a single function, cannot realize convenient visual detection mode conversion, is not beneficial to improving the visual detection efficiency and is not beneficial to storing and storing the visual chart.

In order to achieve the purpose, the invention provides the following technical scheme: a multi-mode changing eye chart comprising:

the visual acuity test chart display device comprises an equipment shell, a display frame for watching a visual acuity chart is arranged on the front side of the equipment shell, a plug-in sheet groove for inserting a test chart is formed in the top of the front side of the equipment shell, and a rear cover is connected to the rear side of the equipment shell;

the equipment groove is formed in the bottom of the equipment shell, the bottom sliding grooves are symmetrically formed in two sides of the equipment groove, and the top sliding grooves are correspondingly formed in the upper portion of the equipment shell;

the sliding rod is installed between the bottom sliding groove and the top sliding groove, the upper side of the sliding rod is connected with the upper sliding plate, and the lower side of the sliding rod is connected with the lower sliding plate.

The setting up of above-mentioned structure makes the device can be convenient for deposit the visual chart of multiple different detection types to can make things convenient for nimble adjustment visual chart's the content that shows, and then effectively promote visual detection's efficiency.

Preferably, show frame and inserted sheet groove and be the orientation of inclining backward on equipment shell and set up, and equipment shell and back lid constitution dismantlement structure to equipment shell and back lid are the plastics material, and the setting up of above-mentioned structure makes the overall structure of device more light firm, and can conveniently watch the use when detecting, can be convenient for dismantle the maintenance to equipment simultaneously.

Preferably, the slide bar is provided with 2 about equipment groove central symmetry, and the slide bar passes through bottom spout and top spout and equipment groove constitution sliding construction to the slide bar is vertical angle on the equipment groove and connects, and the setting up of above-mentioned structure makes the device can be convenient for the folding flexible of nimble firm control visual chart, and can be convenient for adjust the position of different visual charts, thereby promotes visual detection's efficiency.

Preferably, upper portion slide and lower part slide respectively with the slide bar through connection, and the front side of upper portion slide and lower part slide is the slope arch bar of following same parallel angle connection to the arch bar length of upper portion slide is less than the arch bar length of lower part slide, and upper portion slide and lower part slide front side still are provided with rectangular form magnet piece simultaneously, and the setting up of above-mentioned structure makes the device can be convenient for dismantle and install the visual chart of different modes, and can keep the visual chart to be in the position that accords with human viewing angle, and keep the stability of visual chart, be favorable to promoting visual detection quality.

Preferably, still correspond on the magnet piece and be provided with the eyesight measurement table, and still be provided with the weakness of colour gage between the eyesight measurement table to the eyesight measurement table is the metal material, and the weakness of colour measurement table is flexible chemical fibre cloth material simultaneously, and the setting up of above-mentioned structure makes the device can possess multiple eyesight detection's mode simultaneously, and can change different detection modes fast.

Preferably, eyesight test table and colour weakness measurement table constitute the magnetic adsorption structure through magnet piece and upper portion slide and lower part slide respectively, and upper portion slide back still is provided with the upper portion bull stick, and lower part slide back still is provided with the lower part bull stick, still be provided with well axostylus axostyle between upper portion bull stick and the lower part bull stick simultaneously, the setting up of above-mentioned structure makes the eyesight test table of different modes when changing the detection, can avoid dismantling the trouble of taking or changing the eyesight test table, and can carry out swift eyesight test table change, the availability factor of device has been promoted.

Preferably, the upper portion bull stick rotates with upper portion slide and well axostylus axostyle respectively to be connected, and the lower part bull stick rotates with lower part slide and well axostylus axostyle respectively to well axostylus axostyle serves and still is provided with electric telescopic handle, and the lower part slide passes through electric telescopic handle and lower portion bull stick and upper portion slide simultaneously and constitutes extending structure, and the setting up of above-mentioned structure makes the device can be convenient for change different visual detection modes automatically, can be convenient for stabilize the structure of adjusting the visual detection table.

Compared with the prior art, the invention has the beneficial effects that: the multi-mode conversion visual chart adopts a novel structural design, can combine the detection charts with different modes into one when the device is used, can stably and quickly change and adjust the measurement chart, can also facilitate the device to automatically change the visual chart and can keep the stability of the visual chart display;

1. the upper sliding plate is arranged on the sliding rod, the lower sliding plate is arranged on the sliding rod, the magnet piece is arranged on the structure of the visual acuity measuring meter and the color weakness measuring meter, the color weakness measuring meter made of flexible cloth materials is connected and integrated through the metal visual acuity measuring meter which is separated from the upper portion and the lower portion, the magnet piece is used for quickly fixing the upper end and the lower end of the metal visual acuity measuring meter, the upper sliding plate and the lower sliding plate are used for sliding along the sliding rod, so that the visual acuity measuring meter can be extended in a telescopic mode, the principle of the color weakness measuring meter is exposed, the device can conveniently combine the detecting meters in different modes into one, and the purpose of changing and adjusting the measuring meter can be achieved stably and quickly;

2. the upper portion slide and the structure that the lower part slide back set up upper portion bull stick, lower part bull stick, well axostylus axostyle and electric telescopic handle, it is crooked to rotate through axostylus axostyle one end in the drive of electric telescopic handle to pulling upper portion bull stick and lower part bull stick rotate around it, thereby the principle of the flexible opening and shutting of control upper portion slide and lower part slide, the realization device can be convenient for realize automatic change visual chart, and can keep the function of the stability of visual chart show.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the housing of the apparatus of the present invention;

FIG. 3 is a perspective view of the upper slide plate of the present invention;

FIG. 4 is a perspective view of the vision measuring chart of the present invention;

fig. 5 is a perspective view of the lower slide plate of the present invention.

In the figure: 1. an equipment housing; 2. a display frame; 3. a sheet inserting groove; 4. a rear cover; 5. an equipment groove; 6. a bottom chute; 7. a top chute; 8. a slide bar; 9. an upper slide plate; 10. a lower slide plate; 11. a magnet piece; 12. a vision measuring table; 13. a color intensity measuring meter; 14. an upper rotating rod; 15. a lower rotating rod; 16. a middle shaft lever; 17. an electric telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a multi-mode changing eye chart comprising: a display frame 2 for watching a visual chart is arranged on the front side of the equipment shell 1, a plug-in sheet groove 3 for inserting a detection chart is formed in the top of the front side of the equipment shell 1, a rear cover 4 is connected to the rear side of the equipment shell 1 and arranged on the bottom of the equipment shell 1, bottom sliding grooves 6 are symmetrically formed in two sides of an equipment groove 5, a top sliding groove 7 is correspondingly formed in the upper portion of the equipment shell 1, a sliding rod 8 is installed between the bottom sliding groove 6 and the top sliding groove 7, an upper sliding plate 9 is connected to the upper side of the sliding rod 8, and a lower sliding plate 10 is connected to the lower side of the sliding rod 8;

when the device is used, the visual chart is firstly inserted into the inserting piece groove 3 on the equipment shell 1, and the visual chart is kept to be aligned and displayed with the display frame 2, at the moment, the upper sliding plate 9 and the lower sliding plate 10 which are arranged on the sliding rod 8 in the rear cover 4 are aligned with the upper end and the lower end of the measuring meter through the front end bulges, and the sliding rod 8 can be utilized to slide back and forth in the equipment groove 5 along the bottom sliding groove 6 and the top sliding groove 7, so that different display modes of different measuring meters are controlled.

Specifically, as shown in fig. 1 and 2, the display frame 2 and the insertion slot 3 are arranged on the device housing 1 in a backward tilting direction, the device housing 1 and the rear cover 4 form a detachable structure, and the device housing 1 and the rear cover 4 are made of plastic materials, so that the display frame 2 tilted backward can be more convenient to view and detect during visual detection, and the device housing 1 and the rear cover 4 made of plastic materials can be more convenient to use and maintain;

slide bar 8 is provided with 2 about equipment groove 5 centrosymmetric, and slide bar 8 constitutes sliding structure through bottom spout 6 and top spout 7 and equipment groove 5 to slide bar 8 is vertical angle connection on equipment groove 5, when the measurement mode of different visual charts need to be controlled, can slide bar 8 on bottom spout 6 and top spout 7, and the firm support through slide bar 8 keeps the show of visual charts stable.

Specifically, as shown in fig. 3 and 4, the upper slide plate 9 and the lower slide plate 10 are respectively connected with the slide rod 8 in a penetrating manner, the front sides of the upper slide plate 9 and the lower slide plate 10 are inclined convex plates connected along the same parallel angle, the length of the convex plate of the upper slide plate 9 is smaller than that of the convex plate of the lower slide plate 10, and meanwhile, the front sides of the upper slide plate 9 and the lower slide plate 10 are also provided with strip-shaped magnet pieces 11, when the visual chart is installed on the upper slide plate 9 and the lower slide plate 10, the magnetic cores are adsorbed at the upper end and the lower end of the visual chart made of metal through the magnet pieces 11, and the visual chart is kept parallel to the device display frame 2 through the convex plates with the inclined angles, so as to be convenient for detection and viewing;

still correspond on the magnet piece 11 and be provided with the eyesight measurement table 12, and still be provided with the weakness of colour measurement table 13 between the eyesight measurement table 12, and the eyesight measurement table 12 is the metal material, the weakness of colour measurement table 13 is flexible chemical fibre cloth material simultaneously, when adjusting the eyesight measurement table, connect the flexible cloth weakness of colour measurement table 13 between two upper and lower metal eyesight measurement tables 12, can draw close and compress folding from top to bottom at metal eyesight measurement table 12, and fold when the eyesight measurement table folds up and accomodate the rear side, and the weak measurement table 13 of time extension exhibition of colour is expanded in the extension of metal eyesight measurement table 12.

Specifically, as shown in fig. 4 and 5, the vision measuring meter 12 and the color weakness measuring meter 13 respectively form a magnetic adsorption structure with the upper sliding plate 9 and the lower sliding plate 10 through the magnet piece 11, the upper rotating rod 14 is further arranged on the back of the upper sliding plate 9, the lower rotating rod 15 is further arranged on the back of the lower sliding plate 10, the middle shaft rod 16 is further arranged between the upper rotating rod 14 and the lower rotating rod 15, when the vision measuring meter needs to be adjusted, the upper rotating rod 14 and the lower rotating rod 15 respectively rotate around the middle shaft rod 16, so that the upper sliding plate 9 and the lower sliding plate 10 are pulled to extend and retract, and the vision measuring meter 12 is controlled to retract through the magnet piece 11;

the upper rotating rod 14 is respectively rotatably connected with the upper sliding plate 9 and the middle shaft rod 16, the lower rotating rod 15 is respectively rotatably connected with the lower sliding plate 10 and the middle shaft rod 16, an electric telescopic rod 17 is further arranged at one end of the middle shaft rod 16, meanwhile, the lower sliding plate 10 forms a telescopic structure with the upper sliding plate 9 through the electric telescopic rod 17 and the lower rotating rod 15, when the electric telescopic rod 17 pulls the lower end of the middle shaft rod 16, the lower sliding plate 10 and the lower rotating rod 15 are rotated and slide upwards along the sliding rod 8, meanwhile, the upper sliding plate 9 is influenced by the rotation of the upper rotating rod 14 and slides downwards to be drawn together, and otherwise, the upper sliding plate 9 and the lower sliding plate 10 slide to two sides to be separated.

The working principle is as follows: when the device is used, as shown in figures 1-5, firstly, the vision measuring meter 12 and the color weakness measuring meter 13 which need to be measured are inserted into the inserting sheet groove 3 at the rear side of the display frame 2, the upper sliding plate 9 and the lower sliding plate 10 are close to each other through the sliding of the sliding rod 8 along the bottom sliding groove 6 and the top sliding groove 7, then the magnet sheet 11 raised at the front side of the upper sliding plate 9 and the lower sliding plate 10 is used for adsorbing the two ends of the vision measuring meter 12 made of metal materials, at the moment, the vision measuring meter 12 is in a vertically separated state, so the color weakness measuring meter 13 connected in the vision measuring meter is exposed, when the detection mode is adjusted, the electric telescopic rod 17 is pulled to rotate the lower end of the shaft rod 16, the upper rotating rod 14 and the lower rotating rod 15 are contracted and rotated along the rotating shaft rod 16, so as to pull the separated vision measuring meter 12 to close, and then the color weakness measuring meter 13 is extruded and folded and stored at the rear side of the vision measuring meter 12, so as to complete the automatic change detection mode, which is the working principle of the multi-mode changing visual chart.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.