CN108433694B - Convenient-to-adjust type auxiliary vision testing device for ophthalmology department - Google Patents
Convenient-to-adjust type auxiliary vision testing device for ophthalmology department Download PDFInfo
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- CN108433694B CN108433694B CN201810156954.XA CN201810156954A CN108433694B CN 108433694 B CN108433694 B CN 108433694B CN 201810156954 A CN201810156954 A CN 201810156954A CN 108433694 B CN108433694 B CN 108433694B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/04—Trial frames; Sets of lenses for use therewith
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Abstract
The invention relates to an auxiliary vision testing device for ophthalmology, in particular to a convenient adjustment type auxiliary vision testing device for ophthalmology. The invention aims to provide a convenient adjustment type auxiliary vision testing device for ophthalmology, which can provide rest assistance for a weak patient, can assist the weak patient in normally testing vision and can be conveniently adjusted. The invention provides a convenient-to-adjust auxiliary vision testing device for ophthalmology, which comprises a base, a large fixing plate and the like, wherein the large fixing plate is arranged on the right part of the upper side of the base. The convenient-to-adjust auxiliary vision testing device for ophthalmology, provided by the invention, can provide rest assistance for weak patients, can assist the weak patients to normally perform vision testing, can be conveniently adjusted, is beneficial to improving the accuracy of vision testing results of the weak patients, is beneficial to protecting the body health of the patients, is easy to maintain and repair, and is easy to produce and manufacture.
Description
Technical Field
The invention relates to an auxiliary vision testing device for ophthalmology, in particular to a convenient adjustment type auxiliary vision testing device for ophthalmology.
Background
The ophthalmology is called "ophthalmology specialty", and the ophthalmology is a discipline for researching diseases occurring in the visual system including eyeball and tissues related to the eyeball, and common ophthalmology diseases are: central serous retinopathy, dry eye, sympathetic ophthalmia, nyctalopia, blindness, amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis, presbyopia, achromatopsia, iridochromism, retinitis pigmentosa, central retinal artery occlusion, retinal detachment, myopia, hyperopia, pinprick, snow blindness, aragonima, glaucoma, muscae volitantes and the like. The eye chart is a chart for measuring vision. The domestic visual chart comprises: international standard visual acuity chart, visual acuity chart logarithmic visual acuity chart and the like. The visual acuity chart and the distance visual acuity chart are functionally classified. The visual acuity chart is based on the principle of viewing angle. The inspection of vision is generally divided into far vision and near vision, and the far vision mostly adopts an international standard visual chart which is composed of E characters with different openings and different directions. The visual chart for medical detection mainly detects central vision, namely, detects foveal acuity in a macular area of retina, so that the preliminary condition of visual function can be simply and quickly known, and the visual chart has important significance for clinical diagnosis and treatment of eye diseases.
Present patient all carries out the eyesight test under the state of standing, but the patient of weak is difficult to stand for a long time, lead to the patient of weak to be difficult to the normal eyesight test that carries on, and current eyesight test device all adopts fixed structure, be difficult to adjust, thereby lead to unable accurate eyesight test result that reachs, seriously influence subsequent diagnosis and treatment, be unfavorable for patient's healthy, consequently need urgent research and development one kind can provide rest supplementary for the patient of weak, can assist the patient of weak normally to carry out the eyesight test, can conveniently adjust be used for the auxiliary eyesight test device of ophthalmology's convenient adjustment type.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects that the existing patients are difficult to stand for a long time to cause the weak patients to be difficult to normally carry out vision test, and the existing vision testing devices are of fixed structures and difficult to adjust, so that the accurate vision testing results cannot be obtained, and the subsequent diagnosis and treatment are seriously influenced.
(2) Technical scheme
In order to solve the technical problems, the invention provides a convenient adjustment type auxiliary vision testing device for ophthalmology, which comprises a base, a large fixed plate, a first bearing, a first rotating shaft, a first rotating disk, a crank, a first connecting rod, a second connecting rod, a small swinging rod, a second rotating shaft, a second bearing, a lifting rod, a large guide plate, a large swinging rod, a small support, a movable plate, a first positioning screw rod, a long guide plate, a leg plate, a pedal, a sliding plate, a mounting plate and a visual chart, wherein the large fixed plate is arranged at the right part of the upper side of the base, the first bearing is arranged at the right side of the upper part of the large fixed plate, the first rotating shaft is arranged in the first bearing and is in interference connection with the first rotating shaft, the first rotating disk is connected at the rear end of the first rotating shaft, the crank is connected at the front end of the first rotating shaft, the first connecting rod is hinged at, the upper end of the first connecting rod is hinged with a second connecting rod, the second connecting rod is positioned behind the first connecting rod, the middle part of the front side of the second connecting rod is hinged with a small oscillating rod, a second rotating shaft is positioned behind the small oscillating rod, the lower end of the small oscillating rod is connected with a second rotating shaft, the second rotating shaft is in interference connection with a second bearing, the second bearing is arranged at the top of a large fixed plate, the left end of the second connecting rod is hinged with a lifting rod, the lifting rod is positioned behind the second connecting rod, the upper part of the left side of the large fixed plate is embedded with a large guide plate, the left part of the large guide plate is provided with a guide hole, the lifting rod passes through the guide hole, the lower end of the lifting rod is hinged with a large oscillating rod, the middle part of the large oscillating rod is hinged with a small support, the bottom of the small support is connected with a base, the left end of the large oscillating rod is hinged with a movable plate, the right, the left part of the lower side of the movable plate is connected with a leg plate, the bottom of the leg plate is connected with a pedal, the bottom of the pedal is in contact with the base, a sliding groove is formed in the base, a sliding plate is arranged in the sliding groove in a sliding mode, the left end of the upper side of the sliding plate is connected with a mounting plate, and the right side of the upper portion of the mounting plate is provided.
Preferably, the rotary table further comprises a second rotary disc, a guide sleeve, a second positioning screw, a long guide rod, a contact wheel, a tension spring, a connecting rod and a concave guard plate, the upper portion of the front side of the long guide plate is rotatably connected with the second rotary disc, the front side of the second rotary disc is connected with the guide sleeve, the front side of the guide sleeve is provided with the second positioning screw, the long guide rod is arranged in the guide sleeve, the lower end of the long guide rod is connected with the contact wheel, the contact wheel is in contact with the top of the movable plate, the upper end of the tension spring is hinged to the upper end of the front side of the long guide plate, the lower end of the tension spring is hinged to the front side of the long guide rod, the upper end of.
Preferably, the connecting plate further comprises a worm wheel, a worm, a long connecting shaft, a third bearing, a connecting plate and a third rotating disk, the worm wheel is located on the rear side of the first rotating disk and connected with the first rotating disk, the worm is arranged on the left side of the worm wheel and meshed with the worm, the worm is arranged on the long connecting shaft, the long connecting shaft is in interference connection with the third bearing, the third bearing is embedded in the connecting plate, the front side of the connecting plate is connected with the rear side of the large fixing plate, the connecting plate is located below the first rotating disk, and the lower end of the long connecting shaft is connected with the third rotating disk.
Preferably, the rotary table further comprises a first bevel gear, a second bevel gear, a rotary motor and a fixed block, the bottom of the third rotary disc is connected with the first bevel gear, the second bevel gear is arranged on the lower left of the first bevel gear and meshed with the second bevel gear, the rotary motor is connected to the left side of the second bevel gear, the fixed block is connected to the front side of the rotary motor, and the front side face of the fixed block is connected with the large fixed plate.
Preferably, still including push pedal, first gyro wheel and second gyro wheel, base right side upper portion is connected with the push pedal, and base downside right part is equipped with first gyro wheel, and base downside left part is equipped with the second gyro wheel.
The working principle is as follows: because the invention comprises a base, a large fixed plate, a first bearing, a first rotating shaft, a first rotating disc, a crank, a first connecting rod, a second connecting rod, a small swinging rod, a second rotating shaft, a second bearing, a lifting rod, a large guide plate, a large swinging rod, a small support, a movable plate, a first positioning screw rod, a long guide plate, a leg plate, a pedal, a sliding plate, a mounting plate and a visual chart, the invention is suitable for patients who are weak and difficult to stand for a long time, a medical worker firstly sits on the movable plate, the back of the patient can lean against the long guide plate, the leg plate provides support for the legs of the patient, the pedal can support the feet of the patient, the comfort level of the patient is improved, then the medical worker rotates the first rotating disc through the first rotating shaft to drive the crank to rotate, and the crank can drive the first connecting rod to move up and down, the first connecting rod drives the second connecting rod to swing, the second connecting rod also drives the small swing rod to swing simultaneously, so as to drive the lifting rod to move up and down, the lifting rod drives the large swing rod to swing up and down, when the large swing rod swings downwards, the large swing rod can drive the movable plate to move upwards, the long guide plate is positioned in the groove, so that the movable plate can slide up and down on the long guide plate, the movable plate drives the leg plate and the pedal simultaneously, and the patient moves upwards, when the patient is adjusted to be positioned at a proper position with the visual chart, the first positioning screw rod is screwed down by other medical workers, so that the movable plate can be fixed, then the medical workers slide the sliding plate and the mounting plate, and the visual chart leftwards and rightwards and slide the visual chart to be spaced at a proper distance from the patient, and then the visual test can be carried out on the patient, the device is convenient to adjust, can avoid long-time standing of the patient, is beneficial to reducing the burden of the patient, has high accuracy of vision test results, and is beneficial to subsequent diagnosis and treatment.
Because the device also comprises a second rotating disk, a guide sleeve, a second positioning screw rod, a long guide rod, a contact wheel, a tension spring, a connecting rod and a concave guard plate, when the movable plate and the patient are driven by a large swinging rod to move upwards, the movable plate can push the contact wheel, because the second rotating disk is rotationally connected with the long guide plate, the contact wheel can drive the long guide rod and the guide sleeve to swing, so as to drive the concave guard plate and the connecting rod to move downwards, the patient only needs to lift the arm in a small range to pull the connecting rod, then pulls the concave guard plate and the connecting rod downwards to a proper position, the concave guard plate can provide complete protection for the patient, when the patient does not need to be protected, only needs to loosen the hand, the long guide rod swings upwards under the action of the tension spring, and simultaneously the connecting rod and the concave guard plate are driven to reset upwards, the long guide rod can be adjusted in a sliding mode in the guide sleeve, and the second positioning screw rod can fix the long guide rod.
Because still including the worm wheel, the worm, long connecting axle, the third bearing, connecting plate and third rotary disk, so medical staff can rotate the third rotary disk under low department or position of sitting state, it operates to need not to lift the arm highly, medical staff's burden has been alleviateed, the third rotary disk can drive long connecting axle and rotate, long connecting axle can drive the worm and rotate, the worm can drive the worm wheel and rotate, the worm wheel can drive first rotary disk and rotate, thereby not only can be more convenient adjust, and can also utilize the auto-lock function of worm and worm wheel, convenient and fast fixes, medical staff's work burden has been alleviateed.
Because still including first bevel gear, second bevel gear, rotating electrical machines and fixed block, third rotary disk bottom is connected with first bevel gear, first bevel gear left side below is equipped with second bevel gear, first bevel gear and second bevel gear meshing, second bevel gear left side is connected with rotating electrical machines, the rotating electrical machines front side is connected with the fixed block, the fixed block leading flank is connected with big fixed plate, so medical staff can start rotating electrical machines and operate, rotating electrical machines drives first bevel gear through second bevel gear and rotates, first bevel gear thereby can drive the third rotary disk and rotate, utilize rotating electrical machines to replace artifical manual operation, labour saving and time saving more.
The medical staff can push the medical staff by the push plate and can move the medical staff to a required place by the first roller and the second roller.
(3) Advantageous effects
The convenient-to-adjust type auxiliary vision testing device for ophthalmology, provided by the invention, can provide rest assistance for weak patients, can assist the weak patients to normally perform vision testing, can be conveniently adjusted, is beneficial to improving the accuracy of vision testing results of the weak patients, is beneficial to diagnosis and treatment of illness states of the weak patients, is beneficial to protecting the health of the patients, and is simple in structure, convenient to operate, easy to maintain and repair, and easy to produce and manufacture.
Drawings
Fig. 1 is a schematic front view structure of the present invention.
Fig. 2 is a front view structure diagram of the large swing lever of the present invention.
Fig. 3 is a front view structural diagram of the long guide rod of the present invention.
Fig. 4 is a schematic top view of the concave guard plate of the present invention.
Fig. 5 is a rear view structural view of the long connecting shaft of the present invention.
Fig. 6 is a rear view structural schematic diagram of the rotating electric machine of the present invention.
FIG. 7 is a front view structure diagram of the push plate of the present invention.
The labels in the figures are: 1-base, 2-big fixed plate, 3-first bearing, 4-first rotating shaft, 5-first rotating disk, 6-crank, 7-first connecting rod, 8-second connecting rod, 9-small swinging rod, 10-second rotating shaft, 11-second bearing, 12-lifting rod, 13-big guide plate, 14-big swinging rod, 15-small bracket, 16-movable plate, 17-first positioning screw rod, 18-long guide plate, 19-leg plate, 20-pedal, 21-sliding plate, 22-mounting plate, 23-visual acuity chart, 31-second rotating disk, 32-guide sleeve, 33-second positioning screw rod, 34-long guide rod, 35-contact wheel, 36-tension spring, 37-connecting rod, 38-concave guard plate, 41-worm wheel, 42-worm, 43-long connecting shaft, 44-third bearing, 45-connecting plate, 46-third rotating disc, 51-first bevel gear, 52-second bevel gear, 53-rotating motor, 54-fixed block, 61-push plate, 62-first roller, 63-second roller, 100-sliding groove, 131-guiding hole and 161-groove.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
A convenient adjustment type auxiliary vision testing device for ophthalmology, as shown in figures 1-7, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a first rotating disk 5, a crank 6, a first connecting rod 7, a second connecting rod 8, a small swinging rod 9, a second rotating shaft 10, a second bearing 11, a lifting rod 12, a large guide plate 13, a large swinging rod 14, a small support 15, a movable plate 16, a first positioning screw 17, a long guide plate 18, a leg plate 19, a pedal 20, a sliding plate 21, an installation plate 22 and a visual chart 23, wherein the large fixing plate 2 is arranged at the right part of the upper side of the base 1, the first bearing 3 is arranged at the right side of the upper part of the large fixing plate 2, the first rotating shaft 4 is arranged in the first bearing 3, the first bearing 3 is in interference connection with the first rotating shaft 4, the rear end of the first rotating shaft 4 is connected with the first rotating disk 5, the front end of the first, the right end of a crank 6 is hinged with a first connecting rod 7, the first connecting rod 7 is positioned in front of the crank 6, the upper end of the first connecting rod 7 is hinged with a second connecting rod 8, the second connecting rod 8 is positioned behind the first connecting rod 7, the middle part of the front side of the second connecting rod 8 is hinged with a small swinging rod 9, a second rotating shaft 10 is positioned behind the small swinging rod 9, the lower end of the small swinging rod 9 is connected with a second rotating shaft 10, the second rotating shaft 10 is in interference connection with a second bearing 11, the second bearing 11 is arranged at the top of a large fixed plate 2, the left end of the second connecting rod 8 is hinged with a lifting rod 12, the lifting rod 12 is positioned behind the second connecting rod 8, the upper part of the left side of the large fixed plate 2 is embedded with a large guide plate 13, the left part of the large guide plate 13 is provided with a guide hole 131, the lifting rod 12 passes through the guide hole 131, the lower end of the lifting rod 12 is hinged with a large swinging, the left end of the large swing rod 14 is hinged with a movable plate 16, the right part of the movable plate 16 is provided with a groove 161, the front side of the movable plate 16 is provided with a first positioning screw 17, the groove 161 is internally provided with a long guide plate 18, the first positioning screw 17 is contacted with the long guide plate 18, the left part of the lower side of the movable plate 16 is connected with a leg plate 19, the bottom of the leg plate 19 is connected with a pedal 20, the bottom of the pedal 20 is contacted with the base 1, the base 1 is internally provided with a sliding groove 100, the sliding groove 100 is internally provided with a sliding plate 21 in a sliding manner, the left end of the upper side of the sliding.
Example 2
A convenient adjustment type auxiliary vision testing device for ophthalmology, as shown in figures 1-7, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a first rotating disk 5, a crank 6, a first connecting rod 7, a second connecting rod 8, a small swinging rod 9, a second rotating shaft 10, a second bearing 11, a lifting rod 12, a large guide plate 13, a large swinging rod 14, a small support 15, a movable plate 16, a first positioning screw 17, a long guide plate 18, a leg plate 19, a pedal 20, a sliding plate 21, an installation plate 22 and a visual chart 23, wherein the large fixing plate 2 is arranged at the right part of the upper side of the base 1, the first bearing 3 is arranged at the right side of the upper part of the large fixing plate 2, the first rotating shaft 4 is arranged in the first bearing 3, the first bearing 3 is in interference connection with the first rotating shaft 4, the rear end of the first rotating shaft 4 is connected with the first rotating disk 5, the front end of the first, the right end of a crank 6 is hinged with a first connecting rod 7, the first connecting rod 7 is positioned in front of the crank 6, the upper end of the first connecting rod 7 is hinged with a second connecting rod 8, the second connecting rod 8 is positioned behind the first connecting rod 7, the middle part of the front side of the second connecting rod 8 is hinged with a small swinging rod 9, a second rotating shaft 10 is positioned behind the small swinging rod 9, the lower end of the small swinging rod 9 is connected with a second rotating shaft 10, the second rotating shaft 10 is in interference connection with a second bearing 11, the second bearing 11 is arranged at the top of a large fixed plate 2, the left end of the second connecting rod 8 is hinged with a lifting rod 12, the lifting rod 12 is positioned behind the second connecting rod 8, the upper part of the left side of the large fixed plate 2 is embedded with a large guide plate 13, the left part of the large guide plate 13 is provided with a guide hole 131, the lifting rod 12 passes through the guide hole 131, the lower end of the lifting rod 12 is hinged with a large swinging, the left end of the large swing rod 14 is hinged with a movable plate 16, the right part of the movable plate 16 is provided with a groove 161, the front side of the movable plate 16 is provided with a first positioning screw 17, the groove 161 is internally provided with a long guide plate 18, the first positioning screw 17 is contacted with the long guide plate 18, the left part of the lower side of the movable plate 16 is connected with a leg plate 19, the bottom of the leg plate 19 is connected with a pedal 20, the bottom of the pedal 20 is contacted with the base 1, the base 1 is internally provided with a sliding groove 100, the sliding groove 100 is internally provided with a sliding plate 21 in a sliding manner, the left end of the upper side of the sliding.
The movable plate type solar cell panel further comprises a second rotating disk 31, a guide sleeve 32, a second positioning screw 33, a long guide rod 34, a contact wheel 35, a tension spring 36, a connecting rod 37 and a concave protection plate 38, the second rotating disk 31 is rotatably connected to the upper portion of the front side of the long guide plate 18, the guide sleeve 32 is connected to the front side of the second rotating disk 31, the second positioning screw 33 is arranged on the front side of the guide sleeve 32, the long guide rod 34 is arranged in the guide sleeve 32, the contact wheel 35 is connected to the lower end of the long guide rod 34, the contact wheel 35 is in contact with the top of the movable plate 16, the upper end of the tension spring 36 is hinged to the upper end of the front side of the long guide plate 18, the lower end of the tension spring 36 is hinged to the front side of the long guide rod 34, the connecting rod 37 is connected to.
Example 3
A convenient adjustment type auxiliary vision testing device for ophthalmology, as shown in figures 1-7, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a first rotating disk 5, a crank 6, a first connecting rod 7, a second connecting rod 8, a small swinging rod 9, a second rotating shaft 10, a second bearing 11, a lifting rod 12, a large guide plate 13, a large swinging rod 14, a small support 15, a movable plate 16, a first positioning screw 17, a long guide plate 18, a leg plate 19, a pedal 20, a sliding plate 21, an installation plate 22 and a visual chart 23, wherein the large fixing plate 2 is arranged at the right part of the upper side of the base 1, the first bearing 3 is arranged at the right side of the upper part of the large fixing plate 2, the first rotating shaft 4 is arranged in the first bearing 3, the first bearing 3 is in interference connection with the first rotating shaft 4, the rear end of the first rotating shaft 4 is connected with the first rotating disk 5, the front end of the first, the right end of a crank 6 is hinged with a first connecting rod 7, the first connecting rod 7 is positioned in front of the crank 6, the upper end of the first connecting rod 7 is hinged with a second connecting rod 8, the second connecting rod 8 is positioned behind the first connecting rod 7, the middle part of the front side of the second connecting rod 8 is hinged with a small swinging rod 9, a second rotating shaft 10 is positioned behind the small swinging rod 9, the lower end of the small swinging rod 9 is connected with a second rotating shaft 10, the second rotating shaft 10 is in interference connection with a second bearing 11, the second bearing 11 is arranged at the top of a large fixed plate 2, the left end of the second connecting rod 8 is hinged with a lifting rod 12, the lifting rod 12 is positioned behind the second connecting rod 8, the upper part of the left side of the large fixed plate 2 is embedded with a large guide plate 13, the left part of the large guide plate 13 is provided with a guide hole 131, the lifting rod 12 passes through the guide hole 131, the lower end of the lifting rod 12 is hinged with a large swinging, the left end of the large swing rod 14 is hinged with a movable plate 16, the right part of the movable plate 16 is provided with a groove 161, the front side of the movable plate 16 is provided with a first positioning screw 17, the groove 161 is internally provided with a long guide plate 18, the first positioning screw 17 is contacted with the long guide plate 18, the left part of the lower side of the movable plate 16 is connected with a leg plate 19, the bottom of the leg plate 19 is connected with a pedal 20, the bottom of the pedal 20 is contacted with the base 1, the base 1 is internally provided with a sliding groove 100, the sliding groove 100 is internally provided with a sliding plate 21 in a sliding manner, the left end of the upper side of the sliding.
The movable plate type solar cell panel further comprises a second rotating disk 31, a guide sleeve 32, a second positioning screw 33, a long guide rod 34, a contact wheel 35, a tension spring 36, a connecting rod 37 and a concave protection plate 38, the second rotating disk 31 is rotatably connected to the upper portion of the front side of the long guide plate 18, the guide sleeve 32 is connected to the front side of the second rotating disk 31, the second positioning screw 33 is arranged on the front side of the guide sleeve 32, the long guide rod 34 is arranged in the guide sleeve 32, the contact wheel 35 is connected to the lower end of the long guide rod 34, the contact wheel 35 is in contact with the top of the movable plate 16, the upper end of the tension spring 36 is hinged to the upper end of the front side of the long guide plate 18, the lower end of the tension spring 36 is hinged to the front side of the long guide rod 34, the connecting rod 37 is connected to.
The connecting plate further comprises a worm wheel 41, a worm 42, a long connecting shaft 43, a third bearing 44, a connecting plate 45 and a third rotating disk 46, wherein the worm wheel 41 is located on the rear side of the first rotating disk 5, the worm wheel 41 is connected with the first rotating disk 5, the worm 42 is arranged on the left side of the worm wheel 41, the worm wheel 41 is meshed with the worm 42, the worm 42 is arranged on the long connecting shaft 43, the long connecting shaft 43 is in interference connection with the third bearing 44, the third bearing 44 is embedded in the connecting plate 45, the front side of the connecting plate 45 is connected with the rear side of the large fixing plate 2, the connecting plate 45 is located below the first rotating disk 5, and the lower end of the long connecting shaft.
Example 4
A convenient adjustment type auxiliary vision testing device for ophthalmology, as shown in figures 1-7, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a first rotating disk 5, a crank 6, a first connecting rod 7, a second connecting rod 8, a small swinging rod 9, a second rotating shaft 10, a second bearing 11, a lifting rod 12, a large guide plate 13, a large swinging rod 14, a small support 15, a movable plate 16, a first positioning screw 17, a long guide plate 18, a leg plate 19, a pedal 20, a sliding plate 21, an installation plate 22 and a visual chart 23, wherein the large fixing plate 2 is arranged at the right part of the upper side of the base 1, the first bearing 3 is arranged at the right side of the upper part of the large fixing plate 2, the first rotating shaft 4 is arranged in the first bearing 3, the first bearing 3 is in interference connection with the first rotating shaft 4, the rear end of the first rotating shaft 4 is connected with the first rotating disk 5, the front end of the first, the right end of a crank 6 is hinged with a first connecting rod 7, the first connecting rod 7 is positioned in front of the crank 6, the upper end of the first connecting rod 7 is hinged with a second connecting rod 8, the second connecting rod 8 is positioned behind the first connecting rod 7, the middle part of the front side of the second connecting rod 8 is hinged with a small swinging rod 9, a second rotating shaft 10 is positioned behind the small swinging rod 9, the lower end of the small swinging rod 9 is connected with a second rotating shaft 10, the second rotating shaft 10 is in interference connection with a second bearing 11, the second bearing 11 is arranged at the top of a large fixed plate 2, the left end of the second connecting rod 8 is hinged with a lifting rod 12, the lifting rod 12 is positioned behind the second connecting rod 8, the upper part of the left side of the large fixed plate 2 is embedded with a large guide plate 13, the left part of the large guide plate 13 is provided with a guide hole 131, the lifting rod 12 passes through the guide hole 131, the lower end of the lifting rod 12 is hinged with a large swinging, the left end of the large swing rod 14 is hinged with a movable plate 16, the right part of the movable plate 16 is provided with a groove 161, the front side of the movable plate 16 is provided with a first positioning screw 17, the groove 161 is internally provided with a long guide plate 18, the first positioning screw 17 is contacted with the long guide plate 18, the left part of the lower side of the movable plate 16 is connected with a leg plate 19, the bottom of the leg plate 19 is connected with a pedal 20, the bottom of the pedal 20 is contacted with the base 1, the base 1 is internally provided with a sliding groove 100, the sliding groove 100 is internally provided with a sliding plate 21 in a sliding manner, the left end of the upper side of the sliding.
The movable plate type solar cell panel further comprises a second rotating disk 31, a guide sleeve 32, a second positioning screw 33, a long guide rod 34, a contact wheel 35, a tension spring 36, a connecting rod 37 and a concave protection plate 38, the second rotating disk 31 is rotatably connected to the upper portion of the front side of the long guide plate 18, the guide sleeve 32 is connected to the front side of the second rotating disk 31, the second positioning screw 33 is arranged on the front side of the guide sleeve 32, the long guide rod 34 is arranged in the guide sleeve 32, the contact wheel 35 is connected to the lower end of the long guide rod 34, the contact wheel 35 is in contact with the top of the movable plate 16, the upper end of the tension spring 36 is hinged to the upper end of the front side of the long guide plate 18, the lower end of the tension spring 36 is hinged to the front side of the long guide rod 34, the connecting rod 37 is connected to.
The connecting plate further comprises a worm wheel 41, a worm 42, a long connecting shaft 43, a third bearing 44, a connecting plate 45 and a third rotating disk 46, wherein the worm wheel 41 is located on the rear side of the first rotating disk 5, the worm wheel 41 is connected with the first rotating disk 5, the worm 42 is arranged on the left side of the worm wheel 41, the worm wheel 41 is meshed with the worm 42, the worm 42 is arranged on the long connecting shaft 43, the long connecting shaft 43 is in interference connection with the third bearing 44, the third bearing 44 is embedded in the connecting plate 45, the front side of the connecting plate 45 is connected with the rear side of the large fixing plate 2, the connecting plate 45 is located below the first rotating disk 5, and the lower end of the long connecting shaft.
The rotating device further comprises a first bevel gear 51, a second bevel gear 52, a rotating motor 53 and a fixed block 54, the bottom of the third rotating disk 46 is connected with the first bevel gear 51, the second bevel gear 52 is arranged on the lower left of the first bevel gear 51, the first bevel gear 51 is meshed with the second bevel gear 52, the rotating motor 53 is connected to the left side of the second bevel gear 52, the fixed block 54 is connected to the front side of the rotating motor 53, and the front side face of the fixed block 54 is connected with the large fixed plate 2.
Still including push pedal 61, first gyro wheel 62 and second gyro wheel 63, base 1 right side upper portion is connected with push pedal 61, and base 1 downside right part is equipped with first gyro wheel 62, and base 1 downside left part is equipped with second gyro wheel 63.
The working principle is as follows: because the invention comprises a base 1, a large fixed plate 2, a first bearing 3, a first rotating shaft 4, a first rotating disc 5, a crank 6, a first connecting rod 7, a second connecting rod 8, a small swinging rod 9, a second rotating shaft 10, a second bearing 11, a lifting rod 12, a large guide plate 13, a large swinging rod 14, a small bracket 15, a movable plate 16, a first positioning screw 17, a long guide plate 18, a leg plate 19, a pedal 20, a sliding plate 21, a mounting plate 22 and a visual chart 23, the invention is suitable for patients who are weak and difficult to stand for a long time, a medical worker firstly sits on the movable plate 16, the back of the patient can lean against the long guide plate 18, the leg plate 19 provides support for the legs of the patient, the pedal 20 can support the feet of the patient, the comfort of the patient is improved, then the medical worker rotates the first rotating disc 5, the first rotating disc 5 drives the crank 6 to rotate through the first rotating shaft 4, the crank 6 can drive the first connecting rod 7 to move up and down, the first connecting rod 7 drives the second connecting rod 8 to swing, the second connecting rod 8 also drives the small swing rod 9 to swing, the lifting rod 12 to move up and down, the lifting rod 12 drives the large swing rod 14 to swing up and down, when the large swing rod 14 swings down, the large swing rod 14 can drive the movable plate 16 to move up, the long guide plate 18 is located in the groove 161, so the movable plate 16 can slide up and down on the long guide plate 18, the movable plate 16 drives the leg plate 19 and the pedal 20, and the patient moves up, when the patient is adjusted to be in a proper position with the visual chart 23, the first positioning screw 17 is screwed down by other medical workers, so that the movable plate 16 can be fixed, and then the sliding plate 21 and the mounting plate 22 are fixed by the medical workers, and the visual chart 23 slides left and right, and the visual chart 23 slides to a distance suitable for the interval between the visual chart 23 and the patient, then the visual test can be carried out on the patient, the adjustment is convenient, the patient can be prevented from standing for a long time, the burden of the patient is favorably lightened, the accuracy of the visual test result is high, and the subsequent diagnosis and treatment are favorably carried out.
Because the patient protection device further comprises the second rotating disk 31, the guide sleeve 32, the second positioning screw 33, the long guide rod 34, the contact wheel 35, the tension spring 36, the connecting rod 37 and the concave guard plate 38, when the movable plate 16 and the patient are driven by the large swing rod 14 to move upwards, the movable plate 16 can push the contact wheel 35, because the second rotating disk 31 is rotatably connected with the long guide plate 18, the contact wheel 35 can drive the long guide rod 34 and the guide sleeve 32 to swing, so as to drive the concave guard plate 38 and the connecting rod 37 to move downwards, at this time, the patient only needs to lift the arm with a small amplitude to pull the connecting rod 37, and then pulls the concave guard plate 38 and the connecting rod 37 downwards to a proper position, at this time, the concave guard plate 38 can provide complete protection for the patient, when the patient does not need to protect, only needs to release the hand, under the action of the tension spring 36, the long guide rod 34 swings upwards, meanwhile, the connecting rod 37 and the concave guard plate 38 are driven to return upwards, the long guide rod 34 can be adjusted in a sliding mode in the guide sleeve 32, and the second positioning screw 33 can fix the long guide rod 34.
Because still including worm wheel 41, worm 42, long connecting axle 43, third bearing 44, connecting plate 45 and third rotary disk 46, medical staff can rotate third rotary disk 46 under low position or position of sitting state, need not to lift the arm and operate, medical staff's burden has been alleviateed, third rotary disk 46 can drive long connecting axle 43 and rotate, long connecting axle 43 can drive worm 42 and rotate, worm 42 can drive worm wheel 41 and rotate, worm wheel 41 can drive first rotary disk 5 and rotate, thereby not only can be more convenient adjust, but also can utilize the auto-lock function of worm 42 and worm wheel 41, convenient and fast fixes, medical staff's work burden has been alleviateed.
Because the medical rotating plate further comprises a first bevel gear 51, a second bevel gear 52, a rotating motor 53 and a fixed block 54, the bottom of the third rotating plate 46 is connected with the first bevel gear 51, the second bevel gear 52 is arranged below the left side of the first bevel gear 51, the first bevel gear 51 is meshed with the second bevel gear 52, the rotating motor 53 is connected to the left side of the second bevel gear 52, the fixed block 54 is connected to the front side of the rotating motor 53, and the front side of the fixed block 54 is connected with the large fixed plate 2, the medical worker can start the rotating motor 53 to operate, the rotating motor 53 drives the first bevel gear 51 to rotate through the second bevel gear 52, the first bevel gear 51 can drive the third rotating plate 46 to rotate, manual operation is replaced by the rotating motor 53.
Because the medical nursing bed further comprises a push plate 61, a first roller 62 and a second roller 63, the push plate 61 is connected to the upper part of the right side of the base 1, the first roller 62 is arranged at the right part of the lower side of the base 1, and the second roller 63 is arranged at the left part of the lower side of the base 1, medical workers can push the medical nursing bed through the push plate 61 and can move the medical nursing bed to a required place through the first roller 62 and the second roller 63.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (2)
1. A convenient adjustment type auxiliary vision testing device for ophthalmology is characterized by comprising a base (1), a large fixing plate (2), a first bearing (3), a first rotating shaft (4), a first rotating disk (5), a crank (6), a first connecting rod (7), a second connecting rod (8), a small swinging rod (9), a second rotating shaft (10), a second bearing (11), a lifting rod (12), a large guide plate (13), a large swinging rod (14), a small bracket (15), a movable plate (16), a first positioning screw (17), a long guide plate (18), a leg plate (19), a pedal (20), a sliding plate (21), a mounting plate (22) and a visual chart (23), wherein the large fixing plate (2) is arranged at the right part of the upper side of the base (1), the first bearing (3) is arranged at the right side of the upper part of the large fixing plate (2), the first rotating shaft (4) is arranged in the first bearing (3), the first bearing (3) is in interference connection with the first rotating shaft (4), the rear end of the first rotating shaft (4) is connected with a first rotating disc (5), the front end of the first rotating shaft (4) is connected with a crank (6), the right end of the crank (6) is hinged with a first connecting rod (7), the first connecting rod (7) is positioned in front of the crank (6), the upper end of the first connecting rod (7) is hinged with a second connecting rod (8), the second connecting rod (8) is positioned behind the first connecting rod (7), the middle part of the front side of the second connecting rod (8) is hinged with a small swinging rod (9), the second rotating shaft (10) is positioned behind the small swinging rod (9), the lower end of the small swinging rod (9) is connected with the second rotating shaft (10), the second rotating shaft (10) is in interference connection with a second bearing (11), the second bearing (11) is arranged at the top of the large fixing plate (2), and the left end of the second connecting rod (8) is, the lifting rod (12) is positioned behind the second connecting rod (8), a large guide plate (13) is embedded at the upper part of the left side of the large fixing plate (2), a guide hole (131) is formed in the left part of the large guide plate (13), the lifting rod (12) penetrates through the guide hole (131), a large swing rod (14) is hinged to the lower end of the lifting rod (12), a small support (15) is hinged to the middle of the large swing rod (14), the bottom of the small support (15) is connected with the base (1), a movable plate (16) is hinged to the left end of the large swing rod (14), a groove (161) is formed in the right part of the movable plate (16), a first positioning screw rod (17) is arranged on the front side of the movable plate (16), a long guide plate (18) is arranged in the groove (161), the first positioning screw rod (17) is in contact with the long guide plate (18), a leg plate (19) is connected to the left part of the lower side of the movable plate (16), a pedal (, a sliding chute (100) is arranged in the base (1), a sliding plate (21) is arranged in the sliding chute (100) in a sliding manner, the left end of the upper side of the sliding plate (21) is connected with an installation plate (22), and the right side of the upper part of the installation plate (22) is provided with a visual chart (23); the device is characterized by further comprising a second rotating disk (31), a guide sleeve (32), a second positioning screw rod (33), a long guide rod (34), a contact wheel (35), a tension spring (36), a connecting rod (37) and a concave guard plate (38), wherein the second rotating disk (31) is rotatably connected to the upper portion of the front side of the long guide plate (18), the guide sleeve (32) is connected to the front side of the second rotating disk (31), the second positioning screw rod (33) is arranged on the front side of the guide sleeve (32), the long guide rod (34) is arranged in the guide sleeve (32), the contact wheel (35) is connected to the lower end of the long guide rod (34), the contact wheel (35) is contacted with the top of the movable plate (16), the upper end of the tension spring (36) is hinged to the upper end of the front side of the long guide plate (18), the lower end of the tension spring (36) is hinged to the front side of the long guide rod (34), the connecting rod (37) is, the connecting rod (37) is connected with the concave guard plate (38); the connecting plate is characterized by further comprising a worm wheel (41), a worm (42), a long connecting shaft (43), a third bearing (44), a connecting plate (45) and a third rotating disk (46), wherein the worm wheel (41) is located on the rear side of the first rotating disk (5), the worm wheel (41) is connected with the first rotating disk (5), the worm (42) is arranged on the left side of the worm wheel (41), the worm wheel (41) is meshed with the worm (42), the worm (42) is arranged on the long connecting shaft (43), the long connecting shaft (43) is in interference connection with the third bearing (44), the third bearing (44) is embedded in the connecting plate (45), the front side of the connecting plate (45) is connected with the rear side of the large fixing plate (2), the connecting plate (45) is located below the first rotating disk (5), and the lower end of the long connecting shaft (43) is connected with the third; the novel rotary table is characterized by further comprising a first bevel gear (51), a second bevel gear (52), a rotary motor (53) and a fixing block (54), wherein the first bevel gear (51) is connected to the bottom of the third rotary table (46), the second bevel gear (52) is arranged below the left side of the first bevel gear (51), the first bevel gear (51) is meshed with the second bevel gear (52), the rotary motor (53) is connected to the left side of the second bevel gear (52), the fixing block (54) is connected to the front side of the rotary motor (53), and the front side face of the fixing block (54) is connected with the large fixing plate (2.
2. The auxiliary vision testing device of claim 1, further comprising a push plate (61), a first roller (62) and a second roller (63), wherein the push plate (61) is connected to the upper portion of the right side of the base (1), the first roller (62) is disposed on the right portion of the lower side of the base (1), and the second roller (63) is disposed on the left portion of the lower side of the base (1).
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| CN201810156954.XA CN108433694B (en) | 2018-02-24 | 2018-02-24 | Convenient-to-adjust type auxiliary vision testing device for ophthalmology department |
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| CN201810156954.XA CN108433694B (en) | 2018-02-24 | 2018-02-24 | Convenient-to-adjust type auxiliary vision testing device for ophthalmology department |
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| CN108433694B true CN108433694B (en) | 2020-05-26 |
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Effective date of registration: 20200430 Address after: Room c-0001001, residential quarter 2-4, West Shaozhou Road, southwest corner of Daxiang road and Guihua Road, Daxiang district, Shaoyang City, Hunan Province Applicant after: SHAOYANG AIER OPHTHALMOLOGY HOSPITAL Co.,Ltd. Address before: 211300 Jiangsu Nanjing Gaochun District, lacquer town 219 High Road Medical Equipment Co., Ltd. Applicant before: Zhou Yinghua |
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