CN216454943U - Vision detection tool - Google Patents
Vision detection tool Download PDFInfo
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- CN216454943U CN216454943U CN202122703645.XU CN202122703645U CN216454943U CN 216454943 U CN216454943 U CN 216454943U CN 202122703645 U CN202122703645 U CN 202122703645U CN 216454943 U CN216454943 U CN 216454943U
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Abstract
The utility model discloses a vision detection tool, which comprises a mounting plate and a cleaning unit, wherein a PLC (programmable logic controller) and a bracket are arranged on the upper surface of the mounting plate, two opposite surfaces of the bracket are provided with two sliding grooves, a visual chart is arranged in the bracket, and the input end of the PLC is electrically connected with the output end of an external power supply; clean unit includes fixed plate, motor, first screw rod, clean board, suction hood, dust absorption pipe, dust catcher, conveyer pipe and dust filtration case, and the fixed plate is two altogether and all sets up the upper surface at the support, is provided with the motor between two fixed plates, the first screw rod of the output shaft of motor, first screw rod rotates linking bridge, the clean board of first screw rod threaded connection, in the spout of the both ends sliding connection on the support of clean board, can adjust the visual chart according to measurement personnel's height, improve the stability of testing result, and can clean the dust on visual chart surface.
Description
Technical Field
The utility model relates to the technical field of vision detection, in particular to a vision detection tool.
Background
In vision test, usually, a medical staff designates a vision test icon on a display screen, and then judges whether the person is correct or incorrect according to the voice of the tester. The vision of the examiner is preliminarily known by repeating the above operations;
a vision testing device disclosed in the prior art patent publication No. CN 112190226 a includes an eye shielding device and a central control unit. The eye shade comprises a shell, a control panel arranged in the shell, a power supply electrically connected with the control panel and a key arranged on the shell; the central control machine is used for displaying the vision detection icon, receiving the signal sent by the key, converting the signal into a vision detection result and storing the vision detection result. The control panel of the eye shade is in communication connection with the central control machine, a detector can judge the signal of the vision detection icon through the key and can transmit the signal to the central control machine, and the central control machine can compare the signal with the direction of the vision detection icon to obtain and store a vision detection result;
it is when carrying out the detection of eyesight to the measurement personnel, can't carry out the adjustment of visual chart according to measurement personnel's height, can cause the inaccuracy of testing result, and the visual chart is all for electronic display, and when the visual chart was used for a long time, can cause the dust to pile up on the surface, and the personnel can cause the damage and have the potential safety hazard when clean, for this reason, we propose a visual detection apparatus.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a vision testing tool which can adjust a visual chart according to the height of a tester, improve the stability of a testing result, clean dust on the surface of the visual chart and effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an eyesight detection tool comprises a mounting plate and a cleaning unit,
mounting a plate: the upper surface is provided with a PLC controller and a bracket, two opposite surfaces of the bracket are provided with two chutes, the bracket is internally provided with a visual chart, and the input end of the PLC controller is electrically connected with the output end of an external power supply;
a cleaning unit: include fixed plate, motor, first screw rod, clean board, suction hood, dust absorption pipe, dust catcher, conveyer pipe and dirt straining box, the fixed plate is two altogether and all sets up the upper surface at the support, is provided with the motor between two fixed plates, the first screw rod of the output shaft of motor, first screw rod rotates linking bridge, the clean board of first screw rod threaded connection, in the spout of the both ends sliding connection on the support of clean board, be provided with the suction hood on the clean board, the dust absorption pipe is connected to the suction hood, the air inlet end of leg joint dust catcher is run through to the dust absorption pipe, the dust catcher sets up the upper surface at the support, and the one end of conveyer pipe is connected to the dust catcher, the dirt straining box is connected to the other end of conveyer pipe, the output of PLC controller is connected to the dirt box setting on the support, the input electricity of motor and dust catcher.
Detect through the visual acuity chart, after long-time use, through PLC controller control motor work, the motor drives first screw rod and rotates, first screw rod drives the cleaning board and removes, clear up visual acuity chart surface dust through the cleaning board, through PLC controller control dust catcher work, the dust catcher passes through the dust absorption pipe and produces suction at the suction hood, thereby absorb the dust that cleans, absorptive dust filters in passing through the conveying pipe conveying and entering the dust filtering box, the dust absorption pipe is scalable hose, the dust absorption pipe can be followed the cleaning board and removed.
Furthermore, the visual chart is an electronic display screen, the input end of the visual chart is electrically connected with the output end of the PLC, and the vision detection is carried out through the visual chart.
Further, still include the lift unit, the lift unit includes hand wheel, second screw rod, fixation nut and sleeve, the second screw rod rotates and connects the mounting panel, and the upper end of second screw rod is provided with the hand wheel, and the lower extreme threaded connection of second screw rod has fixation nut, fixation nut sets up in the sleeve, and according to measurement personnel's height, rotation hand wheel, hand wheel drive second screw rod, and the second screw rod drives the mounting panel and removes, the height of adjustment mounting panel.
Further, still include the light, the light sets up on the support, and the output of PLC controller is connected to the input electricity of light, provides auxiliary lighting through the light.
Further, still include the couple and hide the eye board, the couple sets up on the mounting panel, and it has hidden the eye board to hang on the couple, hides the eye board and places on the mounting panel through the couple, is convenient for hide taking of eye board.
Further, still include the sucking disc, the sucking disc totally two, and set up respectively at telescopic lower extreme, support fixedly through the sucking disc to the sleeve.
Compared with the prior art, the utility model has the beneficial effects that: has the following advantages:
1. the first screw rod is driven to rotate by the motor, the cleaning plate is driven to move by the first screw rod, so that the surface of the visual chart is cleaned, the dust collector generates suction in the dust collection cover, and cleaned dust is collected and filtered, so that the convenience of cleaning the visual chart is improved, the visual chart cannot be damaged, and the safety is improved;
2. according to the height of the detection personnel, the hand wheel is rotated, the hand wheel drives the second screw rod to rotate, the distance between the mounting plate and the sleeve is adjusted through the second screw rod, and therefore the visual chart and the detection personnel are equal in height, accuracy in detection is improved, and the detection personnel are better served.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention.
In the figure: the device comprises a mounting plate 1, a cleaning unit 2, a fixing plate 21, a motor 22, a first screw rod 23, a cleaning plate 24, a dust hood 25, a dust suction pipe 26, a dust collector 27, a conveying pipe 28, a dust filtering box 29, a lifting unit 3, a hand wheel 31, a second screw rod 32, a fixing nut 33, a sleeve 34, a PLC (programmable logic controller) 4, a visual chart 5, a support 6, a lighting lamp 7, a hook 8, an eye shielding plate 9 and a sucker 10.
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. 1-2, the present embodiment provides a technical solution: an eyesight test tool comprises a mounting plate 1 and a cleaning unit 2,
mounting plate 1: the upper surface is provided with a PLC (programmable logic controller) 4 and a bracket 6, two opposite surfaces of the bracket 6 are provided with two sliding chutes, the bracket 6 is internally provided with a visual chart 5, and the input end of the PLC 4 is electrically connected with the output end of an external power supply;
the cleaning unit 2: comprises a fixing plate 21, a motor 22, a first screw 23 and a cleaning plate 24, the dust hood 25, the dust absorption pipe 26, the dust catcher 27, conveyer pipe 28 and dust filtering box 29, fixed plate 21 is totally two and all sets up the upper surface at support 6, be provided with motor 22 between two fixed plate 21, the first screw rod 23 of the output shaft connection of motor 22, first screw rod 23 rotates linking bridge 6, first screw rod 23 threaded connection cleaning plate 24, in the spout of cleaning plate 24's both ends sliding connection on support 6, be provided with dust hood 25 on the cleaning plate 24, dust hood 25 connects dust absorption pipe 26, dust absorption pipe 26 runs through support 6 and connects the inlet end of dust catcher 27, dust catcher 27 sets up the upper surface at support 6, dust catcher 27 connects the one end of conveyer pipe 28, dust filtering box 29 is connected to the other end of conveyer pipe 28, dust filtering box 29 sets up on support 6, the output of PLC controller 4 is connected to the input electricity of motor 22 and dust catcher 27.
Detect through visual acuity chart 5, after long-time use, through the work of PLC controller 4 control motor 22, motor 22 drives first screw rod 23 and rotates, first screw rod 23 drives cleaning plate 24 and removes, clear up visual acuity chart 5 surface dust through cleaning plate 24, through the work of PLC controller 4 control dust catcher 27, dust catcher 27 produces suction at suction hood 25 through dust absorption pipe 26, thereby absorb the dust that cleans, absorptive dust filters in advancing dust filtering box 29 through conveyer pipe 28 transport, dust absorption pipe 26 is scalable hose, dust absorption pipe 26 can follow cleaning plate 24 and remove.
Visual acuity test chart 5 is electronic display screen, and the output of PLC controller 4 is connected to the input electricity of visual acuity test chart 5, carries out the detection of eyesight through visual acuity test chart 5.
Still include lifting unit 3, lifting unit 3 includes hand wheel 31, second screw rod 32, fixation nut 33 and sleeve 34, second screw rod 32 rotates and connects mounting panel 1, the upper end of second screw rod 32 is provided with hand wheel 31, the lower extreme threaded connection of second screw rod 32 has fixation nut 33, fixation nut 33 sets up in sleeve 34, according to measurement personnel's height, rotate hand wheel 31, hand wheel 31 drives second screw rod 32, second screw rod 32 drives mounting panel 1 and removes, the height of adjustment mounting panel 1.
Still include light 7, light 7 sets up on support 6, and PLC controller 4's output is connected to the input electricity of light 7, provides auxiliary lighting through light 7.
Still include couple 8 and hide eye board 9, couple 8 sets up on mounting panel 1, and the hang has on couple 8 hides eye board 9, hides eye board 9 and places on mounting panel 1 through couple 8, is convenient for hide taking of eye board 9.
The novel vacuum chuck structure further comprises two suction cups 10, wherein the two suction cups 10 are respectively arranged at the lower ends of the sleeves 34, and the sleeves 34 are supported and fixed through the suction cups 10.
The working principle of the vision detection tool provided by the utility model is as follows: the sleeve 34 is supported and fixed through the suction cup 10, according to the height of a tester, the hand wheel 31 is rotated, the hand wheel 31 drives the second screw rod 32, the second screw rod 32 drives the mounting plate 1 to move, the height of the visual chart 5 is adjusted, the PLC 4 controls the motor 22 to work, the motor 22 drives the first screw rod 23 to rotate, the first screw rod 23 drives the cleaning plate 24 to move, dust on the surface of the visual chart 5 is cleaned through the cleaning plate 24, the PLC 4 controls the dust collector 27 to work, the dust collector 27 generates suction on the dust hood 25 through the dust collection pipe 26, so as to absorb the cleaned dust, the absorbed dust is conveyed into the dust collection box 29 through the conveying pipe 28 to be filtered, the dust collection pipe 26 is a telescopic hose, the dust collection pipe 26 can move along with the cleaning plate 24, the eye shield 9 is taken down from the hook 8 to perform auxiliary detection, the PLC 4 controls the visual chart 5 to work, carry out the detection of eyesight through eye chart 5, provide auxiliary lighting through light 7, detect the completion back, hang eye-shade plate 9 in couple 8.
It should be noted that the motor 22 disclosed in the above embodiments may be of a specific model A9M40JB, the vacuum cleaner 27 may be of a specific model JY004, the eye chart 5, and the illumination lamp 7 may be of a specific model NLE13SN-DC-S, and the PLC controller 4 controls the motor 22, the vacuum cleaner 27, the eye chart 5, and the illumination lamp 7 to operate by a method commonly used in the prior art.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. An apparatus for vision testing, comprising: comprises a mounting plate (1) and a cleaning unit (2),
mounting plate (1): the upper surface is provided with a PLC (programmable logic controller) (4) and a bracket (6), two opposite surfaces of the bracket (6) are provided with two sliding grooves, a visual chart (5) is arranged in the bracket (6), and the input end of the PLC (4) is electrically connected with the output end of an external power supply;
cleaning unit (2): comprises a fixing plate (21), a motor (22), a first screw rod (23), a cleaning plate (24), a dust hood (25), a dust suction pipe (26), a dust collector (27), a conveying pipe (28) and a dust filtering box (29), wherein the fixing plate (21) is totally two and is arranged on the upper surface of a support (6), the motor (22) is arranged between the two fixing plates (21), the first screw rod (23) is connected with an output shaft of the motor (22), the first screw rod (23) is rotatably connected with the support (6), the first screw rod (23) is in threaded connection with the cleaning plate (24), the two ends of the cleaning plate (24) are slidably connected in a chute on the support (6), the dust hood (25) is arranged on the cleaning plate (24), the dust suction pipe (26) is connected with the dust suction pipe (25), the dust suction pipe (26) penetrates through the support (6) and is connected with the air inlet end of the dust collector (27), and the dust collector (27) is arranged on the upper surface of the support (6), the one end of conveyer pipe (28) is connected in dust catcher (27), strain dirt case (29) is connected to the other end of conveyer pipe (28), strain dirt case (29) and set up on support (6), and the output of PLC controller (4) is connected to the input electricity of motor (22) and dust catcher (27).
2. A vision testing device as defined in claim 1, wherein: the visual chart (5) is an electronic display screen, and the input end of the visual chart (5) is electrically connected with the output end of the PLC (4).
3. A vision testing device as defined in claim 1, wherein: still include lift unit (3), lift unit (3) include hand wheel (31), second screw rod (32), fixation nut (33) and sleeve (34), second screw rod (32) are rotated and are connected mounting panel (1), and the upper end of second screw rod (32) is provided with hand wheel (31), and the lower extreme threaded connection of second screw rod (32) has fixation nut (33), fixation nut (33) set up in sleeve (34).
4. A vision testing device as defined in claim 1, wherein: still include light (7), light (7) set up on support (6), and the output of PLC controller (4) is connected to the input electricity of light (7).
5. A vision testing device as defined in claim 1, wherein: still include couple (8) and hide eye board (9), couple (8) set up on mounting panel (1), and hang on couple (8) and have hidden eye board (9).
6. A vision testing device as defined in claim 3, wherein: the novel vacuum cleaner further comprises two sucking discs (10), wherein the two sucking discs (10) are respectively arranged at the lower end of the sleeve (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122703645.XU CN216454943U (en) | 2021-11-07 | 2021-11-07 | Vision detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122703645.XU CN216454943U (en) | 2021-11-07 | 2021-11-07 | Vision detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216454943U true CN216454943U (en) | 2022-05-10 |
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ID=81447315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122703645.XU Active CN216454943U (en) | 2021-11-07 | 2021-11-07 | Vision detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216454943U (en) |
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2021
- 2021-11-07 CN CN202122703645.XU patent/CN216454943U/en active Active
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