CN215272672U

CN215272672U - Eye vision instrument for objective vision general survey

Info

Publication number: CN215272672U
Application number: CN202121024409.9U
Authority: CN
Inventors: 卢禹成; 梁雪娟
Original assignee: Beihua University
Current assignee: Beihua University
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-24
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses an eye vision optical instrument for objective vision general survey relates to medical instrument technical field. The utility model discloses a change the roller, show cloth and screw rod, the both ends of changeing the roller are rotated with the backplate and are connected, change the roller and be connected with the friction between the show cloth, change the roller and be provided with two, change and connect through show cloth transmission between the roller, the one end and the handle swing joint of the roller of top, swing joint between backplate and the mount, the rear portion of mount is provided with the mounting hole, the lower part and the screw rod threaded connection of mount, the upper end and the connecting rod of screw rod rotate to be connected, the lower part and the slide bar sliding connection of mount. The utility model discloses a change roller and show cloth, can use two kinds of visual charts to inspect the patient, need not prepare extra light visual charts, saved the cost of inspection to convenient to use, and through the screw rod, can adjust the levelness of this device, make the result of detection accurate, but also can height-adjusting, adapt to the patient of co-altitude.

Description

Eye vision instrument for objective vision general survey

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to an eye vision optical instrument for objective vision general survey.

Background

The medical apparatus is a mechanical device used for assisting diagnosis and helping patients to cure, a plurality of eye vision instruments are often used in ophthalmology, as human eyeballs are very precise organs and can be diagnosed by different auxiliary devices, the eye vision instruments are also provided with a plurality of devices, such as a lamp box visual chart, a computer optometry instrument, a slit lamp, an ophthalmoscope and the like, the postoperative vision needs to be predicted after the vision is generally checked by visiting and seeing, the result of the detection of the lamplight visual chart can be compared with the result of objective examination, if the vision detected by the lamplight visual chart is greater than the result of the objective examination, the postoperative vision can be recovered, if the result of the objective examination is higher, the postoperative vision of the patients cannot be improved, the existing lamplight visual chart can detect the patients, however, the following disadvantages still exist in the practical use:

1. the existing lamplight visual chart can only display one visual chart, and the detection with higher vision requirement needs to use a circular visual chart, so that another light box visual chart needs to be prepared, the cost is increased, and the detection process is troublesome;

2. need be in the horizontality when current light visual chart installs, just so can make the result of detection accurate, but current light visual chart fixes just inconvenient regulation levelness on the wall after, also inconvenient height-adjusting simultaneously.

Therefore, the existing eye vision apparatus cannot meet the requirement in practical use, so that there is a strong need for improved technology in the market to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eye sight light instrument for objective vision general survey, through changeing the roller, standard visual acuity chart and annular visual acuity chart can be pasted to show cloth and screw rod to show two kinds of visual acuity charts, and can adjust levelness and height through the screw rod, solved the inconvenient two kinds of visual acuity charts that demonstrate of current light visual acuity chart, and fix inconvenient regulation scheduling problem on the wall.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an eye vision instrument for objective vision general investigation, which comprises a rotary roller, display cloth and a screw rod, wherein two ends of the rotary roller are rotationally connected with a back plate, the rotary roller is in friction connection with the display cloth, the rotary roller is provided with two rotary rollers, the rotary rollers are in transmission connection with the display cloth, one end of the rotary roller is movably connected with a handle, the back plate is movably connected with a fixed frame, the rear part of the fixed frame is provided with a mounting hole, the lower part of the fixed frame is in threaded connection with the screw rod, the upper end of the screw rod is rotationally connected with a connecting rod, the lower part of the fixed frame is in sliding connection with a sliding rod, the rotary roller is used for rotating the display cloth, the display cloth is used for pasting a visual chart, the handle is used for driving the rotary roller above to rotate, the fixed frame is used for fixing the device on a wall, the mounting hole is used for installing the fixed frame, and the screw rod is used for adjusting the levelness of the back plate, meanwhile, the height of the back plate can be adjusted, the screw rod and the connecting rod can rotate, and the sliding rod is used for reinforcing connection between the back plate and the fixing frame.

Further, the handle is fixedly connected with one side of the clamping block, the other side of the clamping block is fixedly connected with one end of the telescopic rod, the telescopic rod is connected with the rotating roller in a sliding mode, the clamping block is used for clamping the handle, and the telescopic rod can move on the rotating roller.

Furthermore, both sides fixedly connected with curb plate of backplate, the upper and lower end of curb plate is provided with the through-hole, the through-hole agrees with mutually with the both ends of changeing the roller, and the curb plate passes through the both ends of through-hole connection commentaries on classics roller.

Furthermore, one side fixedly connected with groove block of curb plate on right side, the position of groove block and the correspondence of through-hole, the groove block is connected with the fixture block, and the groove block is used for the block to make the handle unable to rotate.

Further, the rear side fixedly connected with connecting piece of backplate, the both ends of connecting piece are rotated with the upper end of connecting rod and are connected, the middle part of connecting piece is rotated with the upper end of slide bar and is connected, and the connecting piece is used for connecting slide bar and connecting rod.

Further, fixedly connected with frame between the curb plate, the rear portion of frame is inserted and is closed and be connected with the LED lamp plate, the middle part of frame is inserted and is closed and be connected with the light guide plate, the anterior of frame is inserted and is closed and be connected with the diffuser plate, and the frame is used for fixing LED lamp plate, light guide plate and diffuser plate, and the LED lamp plate is as the light source, and the light guide plate improves the availability factor of light, and the diffuser plate is used for enlarging illumination angle.

The utility model discloses following beneficial effect has:

1. the utility model discloses a roller and show cloth are changeed in the setting, paste standard visual chart in the front side of show cloth, paste annular visual chart in the rear side, when needing to use annular visual chart, the roller that changes on rotation upper portion, make to change the roller and drive the show cloth and rotate, thereby change the annular visual chart of rear side to the place ahead, can inspect patient with annular visual chart, like this through changeing roller and show cloth, can use two kinds of visual charts to inspect the patient, need not prepare extra light visual chart, the cost of inspection has been saved, and convenient to use.

2. The utility model discloses a set up the screw rod, when adjusting the levelness of this device, observe the angle of this device earlier, if the left side is high on the left side, can rotate the screw rod on the left side and turn down the left side, or rotate the screw rod on the right and turn up the right, the right side is high on the right then the same reason, if need the height-adjusting, then turn up or turn down the screw rod on both sides simultaneously, thereby make highly to obtain changing, pass through the screw rod like this, can adjust the levelness of this device, make the result of detection accurate, and can also height-adjusting, adapt to the not patient of co-altitude.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the roller and the handle of the present invention;

FIG. 3 is a schematic view of the rear view internal structure of the present invention;

fig. 4 is a schematic structural diagram of the back plate and the frame of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. rotating the roller; 2. displaying the cloth; 3. a fixed mount; 31. mounting holes; 4. a screw; 41. a connecting rod; 5. a slide bar; 6. a handle; 61. a clamping block; 62. a telescopic rod; 7. a back plate; 71. a side plate; 72. a groove block; 73. a through hole; 8. a connecting member; 9. a frame; 91. an LED lamp panel; 92. a light guide plate; 93. and a diffusion plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the utility model relates to an eye vision apparatus for objective vision general investigation, which comprises a roller 1, a display cloth 2 and a screw rod 4, wherein two ends of the roller 1 are rotatably connected with a back plate 7, the roller 1 is frictionally connected with the display cloth 2, two rollers 1 are provided, the rollers 1 are in transmission connection with each other through the display cloth 2, one end of the roller 1 above is movably connected with a handle 6, the handle 6 is fixedly connected with one side of a block 61, the other side of the block 61 is fixedly connected with one end of a telescopic rod 62, the telescopic rod 62 is in sliding connection with the roller 1, two sides of the back plate 7 are fixedly connected with side plates 71, the upper and lower ends of the side plates 71 are provided with through holes 73, the through holes 73 are matched with two ends of the roller 1, one side of the side plate 71 on the right side is fixedly connected with a groove block 72, the position of the groove block 72 corresponds to the through holes 73, the groove block 72 is in clamping connection with the block 61, the frame 9 is fixedly connected between the side plates 71, the rear part of the frame 9 is connected with an LED lamp panel 91 in an inserting way, the middle part of the frame 9 is connected with a light guide plate 92 in an inserting way, the front part of the frame 9 is connected with a diffusion plate 93 in an inserting way, when the device is used, a standard visual acuity chart needs to be pasted on the front side of the display cloth 2 in advance, then an annular visual acuity chart is pasted on the rear side of the display cloth 2, when a patient is examined, the LED lamp panel 91 is opened, the light of the LED lamp panel 91 irradiates on the light guide plate 92, the light guide plate 92 is made of high-tech materials with high refractive index and no light absorption, light guide points are printed in the light guide plate 92 through a printing technology, the light guide plate 92 enables the light to be uniformly scattered through the light guide points, so that the whole light can uniformly emit light, then the light is emitted onto the diffusion plate 93, the diffusion plate 93 can interfere the light, the beam angle of the light is increased, and the illumination angle is increased, thereby can not produce the glare, light throws light on to the eyesight table machine on the show cloth 2, thereby make the patient can see the eyesight table clearly, when needing to use the eyesight table of show cloth 2 rear side, pulling handle 6 makes telescopic link 62 roll-off in the commentaries on classics roller 1 of top, thereby make fixture block 61 and groove piece 72 separation, rotate handle 6 after that, make handle 6 drive the commentaries on classics roller 1 of top and rotate, it can drive show cloth 2 and rotate to change roller 1, thereby change the show cloth 2 of rear side to the front side, after that with fixture block 61 and groove piece 72 block, make handle 6 unable rotation.

As shown in fig. 1 and 3, the back plate 7 is movably connected with the fixing frame 3, the rear portion of the fixing frame 3 is provided with a mounting hole 31, the lower portion of the fixing frame 3 is in threaded connection with a screw rod 4, the upper end of the screw rod 4 is rotatably connected with a connecting rod 41, the lower portion of the fixing frame 3 is slidably connected with a slide rod 5, the rear side of the back plate 7 is fixedly connected with a connecting piece 8, two ends of the connecting piece 8 are rotatably connected with the upper end of the connecting rod 41, the middle portion of the connecting piece 8 is rotatably connected with the upper end of the slide rod 5, the fixing frame 3 is mounted on the wall through the mounting hole 31, then the device is observed, when one side of the back plate 7 is higher, the screw rod 4 on the same side can be rotated, as the screw rod 4 is in threaded connection with the fixing frame 3, the screw rod 4 can be vertically moved on the fixing frame 3 by rotating the screw rod 4, so that the screw rod 4 can drive one end of the connecting piece 8 to vertically move through the connecting rod 41, make the height of this side reduce, perhaps rotate the screw rod 4 of opposite side for the height of opposite side risees, can adjust the levelness to the horizontally state like this, when needing the height of adjusting backplate 7, rotate the screw rod 4 of both sides simultaneously, make two screw rods 4 reduce simultaneously or rise, make the height obtain adjusting.

One specific application of this embodiment is: the visual chart to be used is pasted on the front side and the rear side of the display cloth 2, then the device is installed on a wall by the fixing frame 3, when one side of the back plate 7 is higher, the screw rods 4 on the same side are rotated, so that the screw rods 4 drive the height of the side to be reduced through the connecting rods 41, or the screw rod 4 on the other side is rotated, so that the height of the other side is increased, the levelness of the device can be adjusted to be in a horizontal state, when the integral height of the back plate 7 needs to be adjusted, the screw rods 4 on the two sides are simultaneously rotated, so that the screw rods 4 are simultaneously increased or reduced, the height is adjusted, when a patient is examined, the LED lamp panel 91 is opened, the light guide plate 92 increases the uniformity of light, the light beam angle of the light is increased by the diffusion plate 93, so that the light illuminates the visual chart on the display cloth 2, when the visual chart on the rear side of the display cloth 2 needs to be used, the handle 6 is pulled to separate the fixture block 61 from the groove block 72, then, the rotating handle 6 is rotated to rotate the rotating roller 1, and the rotating roller 1 drives the display cloth 2 to rotate, so that the visual chart on the rear side of the display cloth 2 is rotated to the front side.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.

Claims

1. An eye vision instrument for objective vision general survey, which comprises a rotary roller (1), a display cloth (2) and a screw (4), and is characterized in that: the utility model discloses a novel roller, including the roller, change the both ends of roller (1) and rotate with backplate (7) and be connected, change friction connection between roller (1) and show cloth (2), it is provided with two to change roller (1), change and be connected through show cloth (2) transmission between roller (1), the top the one end and handle (6) swing joint of roller (1), swing joint between backplate (7) and mount (3), the rear portion of mount (3) is provided with mounting hole (31), the lower part and the screw rod (4) threaded connection of mount (3), the upper end and the connecting rod (41) of screw rod (4) rotate to be connected, the lower part and the slide bar (5) sliding connection of mount (3).

2. The eye vision instrument for objective vision screening as claimed in claim 1, wherein the handle (6) is fixedly connected with one side of a block (61), the other side of the block (61) is fixedly connected with one end of a telescopic rod (62), and the telescopic rod (62) is slidably connected with the rotary roller (1).

3. The eye vision instrument for objective vision general survey according to claim 1, characterized in that two sides of the back plate (7) are fixedly connected with side plates (71), the upper and lower ends of the side plates (71) are provided with through holes (73), and the through holes (73) are matched with two ends of the rotating roller (1).

4. The eye vision instrument for objective vision general survey according to claim 3, characterized in that a groove block (72) is fixedly connected to one side of the right side plate (71), the position of the groove block (72) corresponds to that of the through hole (73), and the groove block (72) is connected with the clamping block (61) in a clamping manner.

5. The eye vision instrument for objective vision general survey according to claim 1, characterized in that a connecting piece (8) is fixedly connected to the rear side of the back plate (7), two ends of the connecting piece (8) are rotatably connected with the upper end of the connecting rod (41), and the middle part of the connecting piece (8) is rotatably connected with the upper end of the sliding rod (5).

6. The eye vision instrument for objective vision general survey according to claim 3, characterized in that a frame (9) is fixedly connected between the side plates (71), the rear part of the frame (9) is connected with an LED lamp panel (91) in an inserting manner, the middle part of the frame (9) is connected with a light guide plate (92) in an inserting manner, and the front part of the frame (9) is connected with a diffusion plate (93) in an inserting manner.