CN108433695B - Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for - Google Patents
Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for Download PDFInfo
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- CN108433695B CN108433695B CN201810157096.0A CN201810157096A CN108433695B CN 108433695 B CN108433695 B CN 108433695B CN 201810157096 A CN201810157096 A CN 201810157096A CN 108433695 B CN108433695 B CN 108433695B
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- 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
- A61B3/0075—Apparatus for testing the eyes; Instruments for examining the eyes provided with adjusting devices, e.g. operated by control lever
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Abstract
The invention relates to a vision testing device for ophthalmology, in particular to an auxiliary vision testing device convenient to adjust for ophthalmology. The invention aims to provide an easy-to-adjust auxiliary vision testing device for ophthalmology, which can provide rest assistance for a weak patient, can assist the weak patient in normal vision testing and can be adjusted conveniently and quickly. The invention provides an auxiliary vision testing device convenient to adjust and used 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 auxiliary vision testing device for ophthalmology, which is convenient to adjust, can provide rest assistance for the weak patient, reduce the burden of the weak patient, facilitate subsequent diagnosis and treatment, facilitate the physical health of the patient, and has the advantages of simple structure, convenient operation, easy maintenance, easy production and manufacture and low production and manufacturing cost.
Description
Technical Field
The invention relates to a vision testing device for ophthalmology, in particular to an auxiliary vision testing device convenient to adjust 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 visual test under the state of standing, but weak patient is difficult to stand for a long time, lead to weak patient to be difficult to the normal visual test that carries on, and current visual test device all adopts fixed structure, can't adjust, thereby lead to unable accurate visual 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 weak patient, can assist weak patient to normally carry out the visual test, can convenient and fast adjust be used for the auxiliary visual test device of ophthalmology's adjustment type of being convenient for.
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 and the weak patients are difficult to normally test the eyesight, and the existing eyesight testing devices are fixed structures and cannot be adjusted, so that the accurate eyesight testing result cannot be obtained.
(2) Technical scheme
In order to solve the technical problems, the invention provides an auxiliary vision testing device convenient to adjust for ophthalmology, which comprises a base, a large fixing plate, a first bearing, a first rotating shaft, a swinging rod, a pull wire, a pulley block, a first small fixing plate, a large pulley, a reel, a second rotating shaft, a second small fixing plate, a first positioning screw rod, a guide plate, a lifting rod, a sliding sleeve, a supporting plate, a concave baffle plate, a T-shaped sliding block, a supporting plate, a mounting plate and a visual chart, wherein the large fixing plate is arranged at the right part of the upper side of the base, the first bearing is arranged at the upper part of the large fixing plate and is in interference connection with the first rotating shaft, the swinging rod is connected to the left side of the front end of the first rotating shaft, the pull wire is connected to the left end of the swinging rod, the pulley block is arranged at the middle part of the upper side of the large fixing plate, the, the lower end of a stay wire is wound on a reel, the reel is connected with the front end of a second rotating shaft, a second small fixing plate is arranged behind the reel, the left side of the second small fixing plate is connected with the middle part of the right side of a large fixing plate, the rear end of the second rotating shaft is rotatably connected with the second small fixing plate, a first positioning screw rod is arranged on the eccentric position of the front side of the reel and is in threaded connection with the reel, the first positioning screw rod is in contact with the second small fixing plate, the upper part of the left side of the large fixing plate is connected with a guide plate, the middle part of the guide plate is provided with a guide hole, a lifting rod is arranged in the guide hole in a sliding manner, the upper end of the lifting rod is hinged with a sliding sleeve, a swinging rod penetrates through the sliding sleeve, the lower end of the lifting rod is connected with a supporting plate, a concave baffle is arranged on, the top of the T-shaped sliding block is connected with a supporting plate, the upper side of the supporting plate is connected with a mounting plate, and the right side of the mounting plate is provided with a visual chart.
Preferably, the visual acuity test device further comprises a supporting plate, a second bearing, a long connecting shaft, a semicircular scrubbing brush, a second positioning screw rod, a third bearing, a connecting plate, a first bevel gear and a second bevel gear, wherein the supporting plate is arranged at the left end of the upper side of the base, the supporting plate is positioned on the left side of the T-shaped sliding block, the second bearing is arranged at the upper part of the supporting plate, the second bearing is in interference connection with the left end of the long connecting shaft, the semicircular scrubbing brush is arranged at the right side of the visual acuity test meter, a movable hole is formed in the upper part of the semicircular scrubbing brush, the long connecting shaft penetrates through the movable hole of the semicircular scrubbing brush, the second positioning screw rod is arranged at the top of the semicircular scrubbing brush and is in contact with the long connecting shaft, the third bearing is arranged at the rear part of the large fixing plate and embedded in the connecting plate, the front side of the connecting plate is connected with the rear, the first bevel gear is engaged with the second bevel gear, and the second bevel gear is connected with the rear end of the first rotating shaft.
Preferably, the support plate further comprises a fourth bearing, a screw rod, a nut, a fifth bearing, a small support and a rotary disc, the fourth bearing is arranged on the lower portion of the support plate and is in interference connection with the left end of the screw rod, the nut is embedded in the lower portion of the support plate and is arranged on the screw rod, the nut is matched with the screw rod, the right end of the screw rod is in interference connection with the fifth bearing, the small support is arranged on the right portion of the upper side of the base, the fifth bearing is embedded in the middle of the small support, and the right end of the screw.
Preferably, the rotary table further comprises a third bevel gear, a fourth bevel gear and a rotary motor, the third bevel gear is located on the right side of the rotary disc and is connected with the rotary disc, the fourth bevel gear is located on the upper right side of the third bevel gear and is meshed with the third bevel gear, the rotary motor is located right below the fourth bevel gear, the upper end of an output shaft of the rotary motor is connected with the fourth bevel gear, and the bottom of the rotary motor is connected with the top of the base.
Preferably, still including push pedal, first gyro wheel and second gyro wheel, the base right side is equipped 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 swinging rod, a pull wire, a pulley block, a first small fixed plate, a large pulley, a reel, a second rotating shaft, a second small fixed plate, a first positioning screw rod, a guide plate, a lifting rod, a sliding sleeve, a supporting plate, a concave baffle, a T-shaped sliding block, a supporting plate, a mounting plate and a visual chart, the invention is suitable for patients who are weak and difficult to stand, a medical worker firstly sits the patient on the supporting plate, the concave baffle provides protection for the patient, then the medical worker rotates the winding wheel, the winding wheel starts to wind the pull wire, the pull wire drives the swinging rod to move upwards, the sliding sleeve slides on the swinging rod and drives the lifting rod to move upwards, the lifting rod drives the supporting plate and the concave baffle to move upwards together with the patient, and adjusts the patient to a position suitable for the visual chart, then screw up first positioning screw rod again, utilize the frictional force of first positioning screw rod and the little fixed plate of second to fix, then medical practitioner again through T shape slider to extension board and mounting panel, and the visual chart carries out the horizontal slip, thereby adjust the distance of patient and visual chart, and adjust the suitable position with the visual chart, adjustment convenient and fast, then medical practitioner can carry out the visual test to the patient, patient's comfort level has not only been improved, the accuracy of test result has also been improved, be favorable to the diagnosis and the treatment of the patient's state of an illness, patient's health has been protected.
Because the utility model also comprises a supporting plate, a second bearing, a long connecting shaft, a semicircular scrubbing brush, a second positioning screw, a third bearing, a connecting plate, a first bevel gear and a second bevel gear, a medical worker can slide the semicircular scrubbing brush left and right on the long connecting shaft, slide the semicircular scrubbing brush to be contacted with the visual chart, and then tighten the second positioning screw, thereby fixing the semicircular scrubbing brush, when the medical worker rotates the wire winding wheel, the pull wire can drive the first rotating shaft to rotate through the swinging rod, the first rotating shaft can drive the second bevel gear to rotate, the second bevel gear can drive the first bevel gear and the long connecting shaft to rotate, the long connecting shaft can drive the semicircular scrubbing brush to rotate, the semicircular scrubbing brush cleans the visual chart in rotation, the cleaning is convenient and fast, after the cleaning of the visual chart is finished, and then the second positioning screw rod is unscrewed, the semicircular scrubbing brush is rotated by 180 degrees, and then the second positioning screw rod is screwed down, so that the interference of the semicircular scrubbing brush on the test of a patient is avoided.
Because still including the fourth bearing, the lead screw, the nut, the fifth bearing, little support and rotary disk, the backup pad lower part is equipped with the fourth bearing, the fourth bearing is connected with lead screw left end interference, the extension board lower part is inlayed and is equipped with the nut, the nut sets up on the lead screw, the nut cooperatees with the lead screw, the lead screw right-hand member is connected with fifth bearing interference, the side right part is equipped with little support on the base, fifth bearing inlays in little support middle part, the lead screw right-hand member is connected with the rotary disk, so medical practitioner can rotate the rotary disk, the rotary disk drives the lead screw and rotates, because the nut inlays in the extension board, therefore lead screw can drive nut and extension board, and T shape slider carries out side-to-side motion, thereby can be convenient adjust the left and right position.
Because still including the third bevel gear, fourth bevel gear and rotating electrical machines, the third bevel gear is located the right side of rotary disk, the third bevel gear is connected with the rotary disk, the fourth bevel gear is located the upper right side of third bevel gear, fourth bevel gear meshes with the third bevel gear mutually, rotating electrical machines is located the fourth bevel gear under, the upper end of rotating electrical machines output shaft is connected with the fourth bevel gear, rotating electrical machines's bottom is connected with the top of base, so medical staff can start rotating electrical machines and operate, rotating electrical machines drives the third bevel gear through the fourth bevel gear and rotates, thereby the third bevel gear can drive the rotary disk and rotate, utilize rotating electrical machines to replace artifical manual operation, time saving and labor saving more, medical staff's intensity of labour has been alleviateed.
The medical staff can push the medical staff by the push plate, move the medical staff easily by the first roller and the second roller and move the medical staff to a required place.
(3) Advantageous effects
The auxiliary vision testing device for ophthalmology, which is convenient to adjust, can provide rest assistance for weak patients, can assist the weak patients to normally perform vision testing, can be conveniently and quickly adjusted, relieves the burden of the weak patients, is beneficial to subsequent diagnosis and treatment, is beneficial to the physical health of the patients, and has the advantages of simple structure, convenience in operation, easiness in maintenance, low maintenance cost, easiness in production and manufacturing, and low production and manufacturing cost.
Drawings
Fig. 1 is a schematic front view structure of the present invention.
FIG. 2 is a left side sectional view of the T-shaped slider of the present invention.
Fig. 3 is a front view structural diagram of the large fixing plate of the present invention.
Fig. 4 is a schematic top view of the concave baffle 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 view of the first bevel gear of the present invention.
Fig. 7 is a rear view structural diagram of the screw rod of the present invention.
Fig. 8 is a rear view structural schematic diagram of the rotating electric machine of the present invention.
FIG. 9 is a front view structure diagram of the push plate of the present invention.
The labels in the figures are: 1-base, 2-large fixed plate, 3-first bearing, 4-first rotating shaft, 5-swinging rod, 6-stay, 7-pulley block, 8-first small fixed plate, 9-large pulley, 10-reel, 11-second rotating shaft, 12-second small fixed plate, 13-first positioning screw, 14-guide plate, 15-lifting rod, 16-sliding sleeve, 17-supporting plate, 18-concave baffle, 19-T-shaped slide block, 20-supporting plate, 21-mounting plate, 22-visual chart, 31-supporting plate, 32-second bearing, 33-long connecting shaft, 34-semicircular plate brush, 35-second positioning screw, 36-third bearing, 37-connecting plate, 38-first bevel gear, 39-a second bevel gear, 41-a fourth bearing, 42-a screw rod, 43-a nut, 44-a fifth bearing, 45-a small bracket, 46-a rotating disc, 51-a third bevel gear, 52-a fourth bevel gear, 53-a rotating motor, 61-a push plate, 62-a first roller, 63-a second roller, 100-a T-shaped sliding groove, 141-a guide hole and 341-a movable hole.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
An auxiliary eyesight testing device convenient to adjust for ophthalmology, as shown in figures 1-9, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a swinging rod 5, a pull wire 6, a pulley block 7, a first small fixing plate 8, a large pulley 9, a reel 10, a second rotating shaft 11, a second small fixing plate 12, a first positioning screw 13, a guide plate 14, a lifting rod 15, a sliding sleeve 16, a supporting plate 17, a concave baffle 18, a T-shaped sliding block 19, a supporting plate 20, a mounting plate 21 and a visual chart 22, 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 upper part of the large fixing plate 2, the first bearing 3 is in interference connection with the first rotating shaft 4, the swinging rod 5 is connected to the left side of the front end of the first rotating shaft 4, the pull wire 6 is connected to the left end of the swinging rod 5, the pulley block 7 is arranged at the middle, a large pulley 9 is arranged on the first small fixing plate 8, a reel 10 is arranged on the right side of the large fixing plate 2, the lower end of a stay wire 6 is wound on the reel 10, the reel 10 is connected with the front end of a second rotating shaft 11, a second small fixing plate 12 is arranged behind the reel 10, the left side of the second small fixing plate 12 is connected with the right middle part of the large fixing plate 2, the rear end of the second rotating shaft 11 is rotatably connected with the second small fixing plate 12, a first positioning screw 13 is arranged on the eccentric position of the front side of the reel 10, the first positioning screw 13 is in threaded connection with the reel 10, the first positioning screw 13 is in contact with the second small fixing plate 12, the upper part of the left side of the large fixing plate 2 is connected with a guide plate 14, a guide hole 141 is formed in the middle part of the guide plate 14, a lifting rod 15 is arranged in the guide hole 141 in a sliding manner, a, the supporting plate 17 is provided with a concave baffle 18, the lower end of the lifting rod 15 is positioned in the concave baffle 18, the base 1 is provided with a T-shaped sliding groove 100, the T-shaped sliding groove 100 is positioned on the left side of the large fixing plate 2, a T-shaped sliding block 19 is arranged in the T-shaped sliding groove 100 in a sliding manner, the top of the T-shaped sliding block 19 is connected with a supporting plate 20, the upper side of the supporting plate 20 is connected with a mounting plate 21, and the right side of the mounting.
Example 2
An auxiliary eyesight testing device convenient to adjust for ophthalmology, as shown in figures 1-9, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a swinging rod 5, a pull wire 6, a pulley block 7, a first small fixing plate 8, a large pulley 9, a reel 10, a second rotating shaft 11, a second small fixing plate 12, a first positioning screw 13, a guide plate 14, a lifting rod 15, a sliding sleeve 16, a supporting plate 17, a concave baffle 18, a T-shaped sliding block 19, a supporting plate 20, a mounting plate 21 and a visual chart 22, 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 upper part of the large fixing plate 2, the first bearing 3 is in interference connection with the first rotating shaft 4, the swinging rod 5 is connected to the left side of the front end of the first rotating shaft 4, the pull wire 6 is connected to the left end of the swinging rod 5, the pulley block 7 is arranged at the middle, a large pulley 9 is arranged on the first small fixing plate 8, a reel 10 is arranged on the right side of the large fixing plate 2, the lower end of a stay wire 6 is wound on the reel 10, the reel 10 is connected with the front end of a second rotating shaft 11, a second small fixing plate 12 is arranged behind the reel 10, the left side of the second small fixing plate 12 is connected with the right middle part of the large fixing plate 2, the rear end of the second rotating shaft 11 is rotatably connected with the second small fixing plate 12, a first positioning screw 13 is arranged on the eccentric position of the front side of the reel 10, the first positioning screw 13 is in threaded connection with the reel 10, the first positioning screw 13 is in contact with the second small fixing plate 12, the upper part of the left side of the large fixing plate 2 is connected with a guide plate 14, a guide hole 141 is formed in the middle part of the guide plate 14, a lifting rod 15 is arranged in the guide hole 141 in a sliding manner, a, the supporting plate 17 is provided with a concave baffle 18, the lower end of the lifting rod 15 is positioned in the concave baffle 18, the base 1 is provided with a T-shaped sliding groove 100, the T-shaped sliding groove 100 is positioned on the left side of the large fixing plate 2, a T-shaped sliding block 19 is arranged in the T-shaped sliding groove 100 in a sliding manner, the top of the T-shaped sliding block 19 is connected with a supporting plate 20, the upper side of the supporting plate 20 is connected with a mounting plate 21, and the right side of the mounting.
The visual acuity test bed further comprises a support plate 31, a second bearing 32, a long connecting shaft 33, a semicircular scrubbing brush 34, a second positioning screw 35, a third bearing 36, a connecting plate 37, a first bevel gear 38 and a second bevel gear 39, the support plate 31 is arranged at the left end of the upper side of the base 1, the support plate 31 is positioned at the left side of the T-shaped sliding block 19, the second bearing 32 is arranged at the upper portion of the support plate 31, the second bearing 32 is in interference connection with the left end of the long connecting shaft 33, the semicircular scrubbing brush 34 is arranged at the right side of the visual acuity test bed 22, a movable hole 341 is formed in the upper portion of the semicircular scrubbing brush 34, the long connecting shaft 33 penetrates through the movable hole 341 of the semicircular scrubbing brush 34, the second positioning screw 35 is arranged at the top of the semicircular scrubbing brush 34, the second positioning screw 35 is in contact with the long connecting shaft 33, the third bearing 36 is arranged at the rear portion of the large fixing plate 2, the third bearing 36 is embedded, the right end of the long connecting shaft 33 is connected with a first bevel gear 38, a second bevel gear 39 is positioned at the right front of the first bevel gear 38, the first bevel gear 38 is engaged with the second bevel gear 39, and the second bevel gear 39 is connected with the rear end of the first rotating shaft 4.
Example 3
An auxiliary eyesight testing device convenient to adjust for ophthalmology, as shown in figures 1-9, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a swinging rod 5, a pull wire 6, a pulley block 7, a first small fixing plate 8, a large pulley 9, a reel 10, a second rotating shaft 11, a second small fixing plate 12, a first positioning screw 13, a guide plate 14, a lifting rod 15, a sliding sleeve 16, a supporting plate 17, a concave baffle 18, a T-shaped sliding block 19, a supporting plate 20, a mounting plate 21 and a visual chart 22, 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 upper part of the large fixing plate 2, the first bearing 3 is in interference connection with the first rotating shaft 4, the swinging rod 5 is connected to the left side of the front end of the first rotating shaft 4, the pull wire 6 is connected to the left end of the swinging rod 5, the pulley block 7 is arranged at the middle, a large pulley 9 is arranged on the first small fixing plate 8, a reel 10 is arranged on the right side of the large fixing plate 2, the lower end of a stay wire 6 is wound on the reel 10, the reel 10 is connected with the front end of a second rotating shaft 11, a second small fixing plate 12 is arranged behind the reel 10, the left side of the second small fixing plate 12 is connected with the right middle part of the large fixing plate 2, the rear end of the second rotating shaft 11 is rotatably connected with the second small fixing plate 12, a first positioning screw 13 is arranged on the eccentric position of the front side of the reel 10, the first positioning screw 13 is in threaded connection with the reel 10, the first positioning screw 13 is in contact with the second small fixing plate 12, the upper part of the left side of the large fixing plate 2 is connected with a guide plate 14, a guide hole 141 is formed in the middle part of the guide plate 14, a lifting rod 15 is arranged in the guide hole 141 in a sliding manner, a, the supporting plate 17 is provided with a concave baffle 18, the lower end of the lifting rod 15 is positioned in the concave baffle 18, the base 1 is provided with a T-shaped sliding groove 100, the T-shaped sliding groove 100 is positioned on the left side of the large fixing plate 2, a T-shaped sliding block 19 is arranged in the T-shaped sliding groove 100 in a sliding manner, the top of the T-shaped sliding block 19 is connected with a supporting plate 20, the upper side of the supporting plate 20 is connected with a mounting plate 21, and the right side of the mounting.
The visual acuity test bed further comprises a support plate 31, a second bearing 32, a long connecting shaft 33, a semicircular scrubbing brush 34, a second positioning screw 35, a third bearing 36, a connecting plate 37, a first bevel gear 38 and a second bevel gear 39, the support plate 31 is arranged at the left end of the upper side of the base 1, the support plate 31 is positioned at the left side of the T-shaped sliding block 19, the second bearing 32 is arranged at the upper portion of the support plate 31, the second bearing 32 is in interference connection with the left end of the long connecting shaft 33, the semicircular scrubbing brush 34 is arranged at the right side of the visual acuity test bed 22, a movable hole 341 is formed in the upper portion of the semicircular scrubbing brush 34, the long connecting shaft 33 penetrates through the movable hole 341 of the semicircular scrubbing brush 34, the second positioning screw 35 is arranged at the top of the semicircular scrubbing brush 34, the second positioning screw 35 is in contact with the long connecting shaft 33, the third bearing 36 is arranged at the rear portion of the large fixing plate 2, the third bearing 36 is embedded, the right end of the long connecting shaft 33 is connected with a first bevel gear 38, a second bevel gear 39 is positioned at the right front of the first bevel gear 38, the first bevel gear 38 is engaged with the second bevel gear 39, and the second bevel gear 39 is connected with the rear end of the first rotating shaft 4.
The novel support plate is characterized by further comprising a fourth bearing 41, a screw rod 42, a nut 43, a fifth bearing 44, a small support 45 and a rotating disc 46, wherein the fourth bearing 41 is arranged on the lower portion of the support plate 31, the fourth bearing 41 is in interference connection with the left end of the screw rod 42, the nut 43 is embedded in the lower portion of the support plate 20, the nut 43 is arranged on the screw rod 42, the nut 43 is matched with the screw rod 42, the right end of the screw rod 42 is in interference connection with the fifth bearing 44, the small support 45 is arranged on the right portion of the upper side of the base 1, the fifth bearing 44 is embedded in the middle of the small support.
Example 4
An auxiliary eyesight testing device convenient to adjust for ophthalmology, as shown in figures 1-9, comprises a base 1, a large fixing plate 2, a first bearing 3, a first rotating shaft 4, a swinging rod 5, a pull wire 6, a pulley block 7, a first small fixing plate 8, a large pulley 9, a reel 10, a second rotating shaft 11, a second small fixing plate 12, a first positioning screw 13, a guide plate 14, a lifting rod 15, a sliding sleeve 16, a supporting plate 17, a concave baffle 18, a T-shaped sliding block 19, a supporting plate 20, a mounting plate 21 and a visual chart 22, 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 upper part of the large fixing plate 2, the first bearing 3 is in interference connection with the first rotating shaft 4, the swinging rod 5 is connected to the left side of the front end of the first rotating shaft 4, the pull wire 6 is connected to the left end of the swinging rod 5, the pulley block 7 is arranged at the middle, a large pulley 9 is arranged on the first small fixing plate 8, a reel 10 is arranged on the right side of the large fixing plate 2, the lower end of a stay wire 6 is wound on the reel 10, the reel 10 is connected with the front end of a second rotating shaft 11, a second small fixing plate 12 is arranged behind the reel 10, the left side of the second small fixing plate 12 is connected with the right middle part of the large fixing plate 2, the rear end of the second rotating shaft 11 is rotatably connected with the second small fixing plate 12, a first positioning screw 13 is arranged on the eccentric position of the front side of the reel 10, the first positioning screw 13 is in threaded connection with the reel 10, the first positioning screw 13 is in contact with the second small fixing plate 12, the upper part of the left side of the large fixing plate 2 is connected with a guide plate 14, a guide hole 141 is formed in the middle part of the guide plate 14, a lifting rod 15 is arranged in the guide hole 141 in a sliding manner, a, the supporting plate 17 is provided with a concave baffle 18, the lower end of the lifting rod 15 is positioned in the concave baffle 18, the base 1 is provided with a T-shaped sliding groove 100, the T-shaped sliding groove 100 is positioned on the left side of the large fixing plate 2, a T-shaped sliding block 19 is arranged in the T-shaped sliding groove 100 in a sliding manner, the top of the T-shaped sliding block 19 is connected with a supporting plate 20, the upper side of the supporting plate 20 is connected with a mounting plate 21, and the right side of the mounting.
The visual acuity test bed further comprises a support plate 31, a second bearing 32, a long connecting shaft 33, a semicircular scrubbing brush 34, a second positioning screw 35, a third bearing 36, a connecting plate 37, a first bevel gear 38 and a second bevel gear 39, the support plate 31 is arranged at the left end of the upper side of the base 1, the support plate 31 is positioned at the left side of the T-shaped sliding block 19, the second bearing 32 is arranged at the upper portion of the support plate 31, the second bearing 32 is in interference connection with the left end of the long connecting shaft 33, the semicircular scrubbing brush 34 is arranged at the right side of the visual acuity test bed 22, a movable hole 341 is formed in the upper portion of the semicircular scrubbing brush 34, the long connecting shaft 33 penetrates through the movable hole 341 of the semicircular scrubbing brush 34, the second positioning screw 35 is arranged at the top of the semicircular scrubbing brush 34, the second positioning screw 35 is in contact with the long connecting shaft 33, the third bearing 36 is arranged at the rear portion of the large fixing plate 2, the third bearing 36 is embedded, the right end of the long connecting shaft 33 is connected with a first bevel gear 38, a second bevel gear 39 is positioned at the right front of the first bevel gear 38, the first bevel gear 38 is engaged with the second bevel gear 39, and the second bevel gear 39 is connected with the rear end of the first rotating shaft 4.
The novel support plate is characterized by further comprising a fourth bearing 41, a screw rod 42, a nut 43, a fifth bearing 44, a small support 45 and a rotating disc 46, wherein the fourth bearing 41 is arranged on the lower portion of the support plate 31, the fourth bearing 41 is in interference connection with the left end of the screw rod 42, the nut 43 is embedded in the lower portion of the support plate 20, the nut 43 is arranged on the screw rod 42, the nut 43 is matched with the screw rod 42, the right end of the screw rod 42 is in interference connection with the fifth bearing 44, the small support 45 is arranged on the right portion of the upper side of the base 1, the fifth bearing 44 is embedded in the middle of the small support.
The automatic lifting device is characterized by further comprising a third bevel gear 51, a fourth bevel gear 52 and a rotating motor 53, wherein the third bevel gear 51 is located on the right side of the rotating disc 46, the third bevel gear 51 is connected with the rotating disc 46, the fourth bevel gear 52 is located on the upper right side of the third bevel gear 51, the fourth bevel gear 52 is meshed with the third bevel gear 51, the rotating motor 53 is located right below the fourth bevel gear 52, the upper end of an output shaft of the rotating motor 53 is connected with the fourth bevel gear 52, and the bottom of the rotating motor 53 is connected with the top of the base 1.
Still including push pedal 61, first gyro wheel 62 and second gyro wheel 63, the base 1 right side is equipped with push pedal 61, and the base 1 downside right part is equipped with first gyro wheel 62, and the 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 swinging rod 5, a pull wire 6, a pulley block 7, a first small fixed plate 8, a large pulley 9, a reel 10, a second rotating shaft 11, a second small fixed plate 12, a first positioning screw 13, a guide plate 14, a lifting rod 15, a sliding sleeve 16, a supporting plate 17, a concave baffle 18, a T-shaped sliding block 19, a supporting plate 20, a mounting plate 21 and a visual chart 22, the invention is suitable for the weak and difficult-to-stand patients, the medical worker firstly sits on the supporting plate 17, the concave baffle 18 protects the patient, then the medical worker rotates the winding wheel 10, the reel 10 starts to wind the pull wire 6, the pull wire 6 drives the swinging rod 5 to move upwards, the sliding sleeve 16 slides on the swinging rod 5 and drives the lifting rod 15 to move upwards, the lifting rod 15 drives the supporting plate 17 and the concave baffle 18, the patient moves upwards together, the patient is adjusted to a position suitable for the visual chart 22, then the first positioning screw 13 is screwed down, the first positioning screw 13 and the second small fixing plate 12 are fixed through friction force, then the medical worker slides the support plate 20, the mounting plate 21 and the visual chart 22 left and right through the T-shaped sliding block 19, the distance between the patient and the visual chart 22 is adjusted, the visual chart 22 is adjusted to a suitable position, the adjustment is convenient and fast, then the medical worker can perform vision test on the patient, the comfort level of the patient is improved, the accuracy of a test result is improved, diagnosis and treatment of the state of an illness of the patient are facilitated, and the body health of the patient is protected.
Because the medical staff also comprises the support plate 31, the second bearing 32, the long connecting shaft 33, the semicircular plate brush 34, the second positioning screw 35, the third bearing 36, the connecting plate 37, the first bevel gear 38 and the second bevel gear 39, the medical staff can slide the semicircular plate brush 34 left and right on the long connecting shaft 33, slide the semicircular plate brush 34 to be in contact with the eye chart 22, and then tighten the second positioning screw 35, so that the semicircular plate brush 34 can be fixed, when the medical staff rotates the reel 10, the pull wire 6 can drive the first rotating shaft 4 to rotate through the swinging rod 5, the first rotating shaft 4 can drive the second bevel gear 39 to rotate, the second bevel gear 39 can drive the first bevel gear 38 and the long connecting shaft 33 to rotate, the long connecting shaft 33 can drive the semicircular plate brush 34 to rotate, and the semicircular plate brush 34 cleans the eye chart 22 in rotation, clean convenient and fast, after cleaning the completion to the visual chart 22, unscrew second positioning screw 35 again, then carry out 180 degrees rotations to semi-circular scrubbing brush 34, then screw up second positioning screw 35 again to avoid semi-circular scrubbing brush 34 to cause the interference to patient's test.
Because the device also comprises a fourth bearing 41, a screw rod 42, a nut 43, a fifth bearing 44, a small bracket 45 and a rotating disc 46, the fourth bearing 41 is arranged at the lower part of the supporting plate 31, the fourth bearing 41 is in interference connection with the left end of the screw rod 42, the nut 43 is embedded at the lower part of the supporting plate 20, the nut 43 is arranged on the screw rod 42, the nut 43 is matched with the screw rod 42, the right end of the screw rod 42 is in interference connection with the fifth bearing 44, the small bracket 45 is arranged at the right part of the upper side of the base 1, the fifth bearing 44 is embedded in the middle part of the small bracket 45, the rotating disc, the medical worker can rotate the rotary disk 46, the rotary disk 46 drives the screw rod 42 to rotate, because the nut 43 is embedded in the bracket 20, the lead screw 42 can drive the nut 43 and the bracket 20, and the T-shaped slide 19 to move left and right, therefore, the left and right positions of the visual chart 22 can be conveniently adjusted, and the adjustment is more time-saving and labor-saving.
Because the device also comprises a third bevel gear 51, a fourth bevel gear 52 and a rotating motor 53, the third bevel gear 51 is positioned at the right side of the rotating disc 46, the third bevel gear 51 is connected with the rotating disc 46, the fourth bevel gear 52 is positioned at the upper right part of the third bevel gear 51, the fourth bevel gear 52 is meshed with the third bevel gear 51, the rotating motor 53 is positioned right below the fourth bevel gear 52, the upper end of the output shaft of the rotating motor 53 is connected with the fourth bevel gear 52, the bottom of the rotating motor 53 is connected with the top of the base 1, therefore, a medical worker can start the rotating motor 53 to operate, the rotating motor 53 drives the third bevel gear 51 to rotate through the fourth bevel gear 52, the third bevel gear 51 can drive the rotating disc 46 to rotate, manual operation is replaced by the rotating motor 53, time and labor are saved, and labor intensity of the medical worker is relieved.
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 arranged on the right side of the base 1, the first roller 62 is arranged on the right part of the lower side of the base 1, and the second roller 63 is arranged on the left part of the lower side of the base 1, medical workers can push the medical nursing bed through the push plate 61, move the medical nursing bed easily through the first roller 62 and the second roller 63, and move the medical nursing bed to a required place.
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 (4)
1. An auxiliary vision testing device convenient to adjust and used for ophthalmology is characterized by comprising a base (1), a large fixing plate (2), a first bearing (3), a first rotating shaft (4), a swinging rod (5), a pull wire (6), a pulley block (7), a first small fixing plate (8), a large pulley (9), a reel (10), a second rotating shaft (11), a second small fixing plate (12), a first positioning screw (13), a guide plate (14), a lifting rod (15), a sliding sleeve (16), a supporting plate (17), a concave baffle (18), a T-shaped sliding block (19), a supporting plate (20), a mounting plate (21) and a vision meter (22), 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 upper part of the large fixing plate (2), and the first bearing (3) is in interference connection with the first rotating shaft (4), the left side of the front end of the first rotating shaft (4) is connected with a swinging rod (5), the left end of the swinging rod (5) is connected with a pull wire (6), the middle part of the upper side of a large fixed plate (2) is provided with a pulley block (7), the upper part of the right side of the large fixed plate (2) is provided with a first small fixed plate (8), the first small fixed plate (8) is provided with a large pulley (9), the right side of the large fixed plate (2) is provided with a reel (10), the lower end of the pull wire (6) is wound on the reel (10), the reel (10) is connected with the front end of a second rotating shaft (11), the rear part of the reel (10) is provided with a second small fixed plate (12), the left side of the second small fixed plate (12) is connected with the middle part of the right side of the large fixed plate (2), the rear end of the second rotating shaft (11) is rotatably connected with the second small fixed plate (12), the eccentric position of, the first positioning screw (13) is in contact with the second small fixing plate (12), the upper portion of the left side of the large fixing plate (2) is connected with a guide plate (14), the middle of the guide plate (14) is provided with a guide hole (141), a lifting rod (15) is arranged in the guide hole (141) in a sliding manner, the upper end of the lifting rod (15) is hinged with a sliding sleeve (16), a swinging rod (5) penetrates through the sliding sleeve (16), the lower end of the lifting rod (15) is connected with a supporting plate (17), the supporting plate (17) is provided with a concave baffle (18), the lower end of the lifting rod (15) is positioned in the concave baffle (18), the base (1) is provided with a T-shaped sliding groove (100), the T-shaped sliding groove (100) is positioned on the left side of the large fixing plate (2), a T-shaped sliding block (19) is arranged in the T-shaped sliding manner in the T-shaped sliding groove (100), the top of the; the novel visual acuity test bed is characterized by further comprising a supporting plate (31), a second bearing (32), a long connecting shaft (33), a semicircular scrubbing brush (34), a second positioning screw rod (35), a third bearing (36), a connecting plate (37), a first bevel gear (38) and a second bevel gear (39), wherein the supporting plate (31) is arranged at the left end of the upper side of the base (1), the supporting plate (31) is located on the left side of the T-shaped sliding block (19), the second bearing (32) is arranged on the upper portion of the supporting plate (31), the second bearing (32) is in interference connection with the left end of the long connecting shaft (33), the semicircular scrubbing brush (34) is arranged on the right side of the visual acuity test chart (22), a movable hole (341) is formed in the upper portion of the semicircular scrubbing brush (34), the long connecting shaft (33) penetrates through the movable hole (341) of the semicircular scrubbing brush (34), the second positioning screw rod (35) is arranged, the rear of the large fixing plate (2) is provided with a third bearing (36), the third bearing (36) is embedded in a connecting plate (37), the front side of the connecting plate (37) is connected with the rear side of the large fixing plate (2), the third bearing (36) is in interference connection with the long connecting shaft (33), the right end of the long connecting shaft (33) is connected with a first bevel gear (38), a second bevel gear (39) is located on the right front of the first bevel gear (38), the first bevel gear (38) is meshed with a second bevel gear (39), and the second bevel gear (39) is connected with the rear end of the first rotating shaft (4).
2. The auxiliary eyesight testing device convenient to adjust for ophthalmology of claim 1, further comprising a fourth bearing (41), a screw rod (42), a nut (43), a fifth bearing (44), a small bracket (45) and a rotating disk (46), wherein the fourth bearing (41) is arranged at the lower part of the supporting plate (31), the fourth bearing (41) is in interference connection with the left end of the screw rod (42), the nut (43) is embedded at the lower part of the supporting plate (20), the nut (43) is arranged on the screw rod (42), the nut (43) is matched with the screw rod (42), the right end of the screw rod (42) is in interference connection with the fifth bearing (44), the small bracket (45) is arranged at the right part of the upper side of the base (1), the fifth bearing (44) is embedded in the middle of the small bracket (45), and the rotating disk (46) is connected to the right end of the screw rod (42).
3. The auxiliary vision testing device convenient to adjust for ophthalmology of claim 2, further comprising a third bevel gear (51), a fourth bevel gear (52) and a rotating motor (53), wherein the third bevel gear (51) is positioned at the right side of the rotating disk (46), the third bevel gear (51) is connected with the rotating disk (46), the fourth bevel gear (52) is positioned at the upper right side of the third bevel gear (51), the fourth bevel gear (52) is meshed with the third bevel gear (51), the rotating motor (53) is positioned right below the fourth bevel gear (52), the upper end of the output shaft of the rotating motor (53) is connected with the fourth bevel gear (52), and the bottom of the rotating motor (53) is connected with the top of the base (1).
4. The auxiliary vision testing device convenient to adjust for ophthalmology of claim 3, further comprising a push plate (61), a first roller (62) and a second roller (63), wherein the push plate (61) is arranged on the right side of the base (1), the first roller (62) is arranged on the right part of the lower side of the base (1), and the second roller (63) is arranged on the left part of the lower side of the base (1).
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| CN109341355B (en) * | 2018-09-12 | 2021-06-25 | 江苏维德新材料有限公司 | Feeding device of electron beam melting furnace |
| CN112245216A (en) * | 2020-10-20 | 2021-01-22 | 苏成龙 | Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for |
| CN113171055A (en) * | 2021-05-31 | 2021-07-27 | 新疆维吾尔自治区人民医院 | Be used for ophthalmology easily supplementary eyesight testing arrangement of adjustment type |
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| KR101667399B1 (en) * | 2016-04-20 | 2016-10-28 | 엠테크노 주식회사 | digital vision meter |
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Inventor after: Zhang Daning Inventor after: Shi Shengling Inventor after: Meng Jing Inventor after: Zeng Guiying Inventor before: Zeng Guiying |
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Effective date of registration: 20200605 Address after: 132013 Beihua University, 3999 East Binjiang Road, Jilin, Jilin Applicant after: BEIHUA University Address before: 211100 Pu Yuan medical equipment Co., Ltd., No. 168 Kaiyuan Road, Science Park, Jiangning District, Nanjing, Jiangsu Applicant before: Zeng Guiying |
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