CN107397527B - A kind of eye eyesight measuring device - Google Patents
A kind of eye eyesight measuring device Download PDFInfo
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- CN107397527B CN107397527B CN201710618679.4A CN201710618679A CN107397527B CN 107397527 B CN107397527 B CN 107397527B CN 201710618679 A CN201710618679 A CN 201710618679A CN 107397527 B CN107397527 B CN 107397527B
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- measuring device
- seat
- bottom plate
- sliding block
- sliding rail
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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
-
- 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
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- 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
-
- 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
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to a kind of measuring device more particularly to a kind of eye eyesight measuring devices.The technical problem to be solved in the present invention is to provide a kind of tests accurate, practicability and effectiveness, convenient eye eyesight measuring device.In order to solve the above-mentioned technical problems, the present invention provides such a eye eyesight measuring devices, include bottom plate etc.；Bottom plate position to the left is equipped with measuring device, and bottom base plate is equipped with pull unit.It is accurate that invention achieves tests, practicability and effectiveness, convenient effect, and the present apparatus uses manual control, is comfortably sitting on seat, tests eyesight, is seen more clearly by headlamp, measures more accurate more effective.
Description
Technical field
The present invention relates to a kind of measuring device more particularly to a kind of eye eyesight measuring devices.
Background technique
Eyesight refers to the ability of retina resolution imagery.The quality of eyesight is sentenced by the size of retina resolution imagery ability
It is fixed, however when the refracting media (such as cornea, crystal, vitreum) of eye becomes muddy or there are ametropia (including myopia, remote
Depending on, astigmatism etc.) when, even if the good eye vision of retinal function can still decline.The refracting media nubecula of eye, can be used operation
It treats, and it is ametropia, it needs to be corrected with lens.
Eyesight that existing visual chart is measured is inaccurate, inconvenient, impracticable, thus need to research and develop a kind of test it is accurate,
Practicability and effectiveness, convenient eye eyesight measuring device.
Summary of the invention
(1) technical problems to be solved
The present invention in order to overcome inaccurate, inconvenient, the unpractical disadvantage of eye eyesight measuring device, the invention solves
The technical issues of be to provide that a kind of test is accurate, practicability and effectiveness, convenient eye eyesight measuring device.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides such a eye eyesight measuring device, include bottom plate,
Supporting leg, measuring device and pull unit.Bottom base plate is respectively arranged on the left side and the right side supporting leg, and bottom plate position to the left is equipped with measurement dress
It sets, bottom base plate is equipped with pull unit.
Preferably, measuring device includes strut, motor, gear, rack gear, transverse slat, foot pedal, the first sliding rail, the first cunning
Block, seat, support rod, bracing wire, the second sliding rail, the second sliding block, visual chart and headlamp, the position to the left at the top of bottom plate are equipped with branch
Bar is equipped with motor on strut, and gear is connected on the output shaft of motor, and bottom plate is provided with first through hole, bottom on the inside of position to the left
The leftmost side is equipped with the first sliding rail at the top of plate, and the first sliding block is slidably equipped on the first sliding rail, and the right end of the first sliding block, which is equipped with, to be sat
Chair, is equipped with support rod at left and right sides of seat bottom, and seat right end bottom is equipped with rack gear, and rack gear passes through first through hole, gear with
Rack gear engagement, rack gear bottom are equipped with transverse slat, are wound with bracing wire on the output shaft middle part of motor, it is sliding that bottom plate top right side is equipped with second
Rail is slidably equipped with the second sliding block on the second sliding rail, and bracing wire tail end connect with the second sliding block, and the top of the second sliding block is equipped with regarding
The upper left end of power table, visual chart is equipped with headlamp.
Preferably, pull unit includes guide pad, spring, cross-bar, cylinder and corner block, is equipped among bottom base plate
Guide pad, guide pad inside are provided with guide hole, and strut bottom is hingedly connected with cross-bar, and cross-bar passes through guide hole, guide pad left side
Spring is connected between cross-bar, bottom base plate position to the right is equipped with cylinder, and cylinder lower end is equipped with corner block, the right side of cross-bar
End is located at the lower section of corner block and is in contact with it.
It preferably, further include having eye-shading device, eye-shading device includes the first L shape bar, third sliding rail, third sliding block, stretches
Contracting band, eyeshade and sponge, the first sliding rail top are equipped with the first L shape bar, and the first shape bar bottom L is equipped with third sliding rail, third sliding rail
On be slidably equipped with third sliding block, third slider bottom is equipped with telescopic band, and telescopic band bottom end is connected with eyeshade, sets on the inside of eyeshade
There is sponge.
It preferably, further include having the 2nd L shape bar and reflective mirror, visual chart top left side is connected with the 2nd L shape bar, the 2nd L
Reflective mirror is equipped on the inside of shape bar.
It preferably, further include having railing and cushion, seat back position and seat plate are equipped with railing, and seat, which is equipped with, to be sat
Pad.
Preferably, the material of seat is stainless steel.
Preferably, the material of transverse slat is vulcanie.
Working principle: people sits in measuring device first, can reach measurement effect by measuring device, allows and sits on the seat
People to measure eyesight more accurate, can adjust the position of measuring device by pull unit, improve measurement effect.Because of measurement dress
Set includes strut, motor, gear, rack gear, transverse slat, foot pedal, the first sliding rail, the first sliding block, seat, support rod, bracing wire,
Two sliding rails, the second sliding block, visual chart and headlamp, the position to the left at the top of bottom plate are equipped with strut, are equipped with motor on strut, electricity
It is connected with gear on the output shaft of machine, first through hole is provided on the inside of bottom plate position to the left, it is sliding to be equipped with first for the leftmost side at the top of bottom plate
Rail, the first sliding block is slidably equipped on the first sliding rail, and the right end of the first sliding block is equipped with seat, is all provided at left and right sides of seat bottom
There is support rod, seat right end bottom is equipped with rack gear, and rack gear passes through first through hole, and wheel and rack engagement, rack gear bottom is equipped with cross
Plate, in the middle part of the output shaft of motor on be wound with bracing wire, bottom plate top right side is equipped with the second sliding rail, is slidably equipped on the second sliding rail
Second sliding block, bracing wire tail end are connect with the second sliding block, and the top of the second sliding block is equipped with visual chart, and the upper left end of visual chart is installed
There is headlamp.It when people needs to measure eyesight, is sitting on seat, starting motor rotation, band moving gear rotates, and then with carry-over bar
It moves up and down, due to the effect of the first sliding block, rack gear will drive seat when mobile and move up and down, the position of adjustable seat,
When rack gear moves up, transverse slat just arrives to bottom plate, and rack and pinion does not engage, and when moving down, foot pedal is located just at tooth
Wheel top, plays a protective role, and wheel and rack engagement, motor can tighten bracing wire and the second sliding block is driven to be moved to the left when rotating,
Due to there is headlamp, people can be made to see more clearly.
Because pull unit includes guide pad, spring, cross-bar, cylinder and corner block, it is equipped with and leads among bottom base plate
Be provided with guide hole to block, on the inside of guide pad, strut bottom is hingedly connected with cross-bar, and cross-bar passes through guide hole, on the left of guide pad with
Spring is connected between cross-bar, bottom base plate position to the right is equipped with cylinder, and cylinder lower end is equipped with corner block, the right end of cross-bar
Positioned at corner block lower section and be in contact with it.Cylinder elongation is controlled, corner block is driven to push cross, strut is put to the right with gear
Dynamic, at this moment wheel and rack does not contact, and strut drives the second sliding block to be moved to the left, and furthers people at a distance from visual chart.
Because further including having eye-shading device, eye-shading device includes the first L shape bar, third sliding rail, third sliding block, stretches
Band, eyeshade and sponge, are equipped with the first L shape bar at the top of the first sliding rail, and the first shape bar bottom L is equipped with third sliding rail, on third sliding rail
It is slidably equipped with third sliding block, third slider bottom is equipped with telescopic band, and telescopic band bottom end is connected with eyeshade, is equipped on the inside of eyeshade
Sponge.When people are when measuring eyesight, by the effect of third sliding block, pulling eyeshade is moved left and right, due to the elastic force of telescopic band
Effect takes eyeshade and covers one eye eyeball when eyeshade being pulled to arrive suitable position, i.e., measurable eyesight.
Because further including having the 2nd L shape bar and reflective mirror, visual chart top left side is connected with the 2nd L shape bar, the 2nd L shape bar
Inside is equipped with reflective mirror.When people are when measuring eyesight, since the light of headlamp acts on, at this moment pass through the work of this reflective mirror
With reflection can be seen more clearly on visual chart.
Because further including having railing and cushion, seat back position and seat plate are equipped with railing, and seat is equipped with cushion.Column
Bar plays a certain protective role, and the cushion on seat gives people a kind of comfort.
(3) beneficial effect
It is accurate that invention achieves tests, practicability and effectiveness, convenient effect, and the present apparatus uses manual control, comfortable to sit
On seat, eyesight is tested, is seen more clearly by headlamp, measures more accurate more effective.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the invention.
Fig. 2 is measuring device schematic view of the front view of the invention.
Fig. 3 is pull unit schematic view of the front view of the invention.
Fig. 4 is eye-shading device schematic view of the front view of the invention.
Fig. 5 is second of schematic view of the front view of the invention.
Fig. 6 is the third schematic view of the front view of the invention.
The label in accompanying drawing is: 1- bottom plate, 2- supporting leg, 3- measuring device, 31- strut, 32- motor, 33- gear, 34-
One through-hole, 35- rack gear, 36- transverse slat, 37- foot pedal, the first sliding rail of 38-, the first sliding block of 39-, 310- seat, 311- support rod,
312- bracing wire, the second sliding rail of 313-, the second sliding block of 314-, 315- visual chart, 316- headlamp, 4- pull unit, 41- guiding
Block, 42- guide hole, 43- spring, 44- cross-bar, 45- cylinder, 46- corner block, 5- eye-shading device, the first L shape bar of 51-, 52-
Three sliding rails, 53- third sliding block, 54- telescopic band, 55- eyeshade, 56- sponge, the 2nd L shape bar of 6-, 7- reflective mirror, 8- railing, 9- are sat
Pad.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of eye eyesight measuring device includes as shown in figures 1 to 6 bottom plate 1, supporting leg 2, measuring device 3 and pulling dress
Set 4.1 bottom of bottom plate is respectively arranged on the left side and the right side supporting leg 2, and the position to the left of bottom plate 1 is equipped with measuring device 3, and 1 bottom of bottom plate, which is equipped with, draws
Dynamic device 4.
Embodiment 2
A kind of eye eyesight measuring device includes as shown in figures 1 to 6 bottom plate 1, supporting leg 2, measuring device 3 and pulling dress
Set 4.1 bottom of bottom plate is respectively arranged on the left side and the right side supporting leg 2, and the position to the left of bottom plate 1 is equipped with measuring device 3, and 1 bottom of bottom plate, which is equipped with, draws
Dynamic device 4.
Measuring device 3 includes strut 31, motor 32, gear 33, rack gear 35, transverse slat 36, foot pedal 37, the first sliding rail
38, the first sliding block 39, seat 310, support rod 311, bracing wire 312, the second sliding rail 313, the second sliding block 314, visual chart 315 and photograph
The position to the left of bright lamp 316,1 top of bottom plate is equipped with strut 31, is equipped with motor 32 on strut 31, connects on the output shaft of motor 32
It being connected to gear 33, is provided with first through hole 34 on the inside of the position to the left of bottom plate 1, the 1 top leftmost side of bottom plate is equipped with the first sliding rail 38, and first
The first sliding block 39 is slidably equipped on sliding rail 38, the right end of the first sliding block 39 is equipped with seat 310,310 bottom of seat or so two
Side is equipped with support rod 311, and 310 right end bottom of seat is equipped with rack gear 35, and rack gear 35 passes through first through hole 34, gear 33 and rack gear
35 engagements, 35 bottom of rack gear are equipped with transverse slat 36, are wound with bracing wire 312 on the output shaft middle part of motor 32,1 top right side of bottom plate is equipped with
Second sliding rail 313 is slidably equipped with the second sliding block 314,312 tail end of bracing wire and the second sliding block 314 company on second sliding rail 313
It connects, the top of the second sliding block 314 is equipped with visual chart 315, and the upper left end of visual chart 315 is equipped with headlamp 316.
Embodiment 3
A kind of eye eyesight measuring device includes as shown in figures 1 to 6 bottom plate 1, supporting leg 2, measuring device 3 and pulling dress
Set 4.1 bottom of bottom plate is respectively arranged on the left side and the right side supporting leg 2, and the position to the left of bottom plate 1 is equipped with measuring device 3, and 1 bottom of bottom plate, which is equipped with, draws
Dynamic device 4.
Measuring device 3 includes strut 31, motor 32, gear 33, rack gear 35, transverse slat 36, foot pedal 37, the first sliding rail
38, the first sliding block 39, seat 310, support rod 311, bracing wire 312, the second sliding rail 313, the second sliding block 314, visual chart 315 and photograph
The position to the left of bright lamp 316,1 top of bottom plate is equipped with strut 31, is equipped with motor 32 on strut 31, connects on the output shaft of motor 32
It being connected to gear 33, is provided with first through hole 34 on the inside of the position to the left of bottom plate 1, the 1 top leftmost side of bottom plate is equipped with the first sliding rail 38, and first
The first sliding block 39 is slidably equipped on sliding rail 38, the right end of the first sliding block 39 is equipped with seat 310,310 bottom of seat or so two
Side is equipped with support rod 311, and 310 right end bottom of seat is equipped with rack gear 35, and rack gear 35 passes through first through hole 34, gear 33 and rack gear
35 engagements, 35 bottom of rack gear are equipped with transverse slat 36, are wound with bracing wire 312 on the output shaft middle part of motor 32,1 top right side of bottom plate is equipped with
Second sliding rail 313 is slidably equipped with the second sliding block 314,312 tail end of bracing wire and the second sliding block 314 company on second sliding rail 313
It connects, the top of the second sliding block 314 is equipped with visual chart 315, and the upper left end of visual chart 315 is equipped with headlamp 316.
Pull unit 4 includes guide pad 41, spring 43, cross-bar 44, cylinder 45 and corner block 46, in 1 bottom of bottom plate
Between be equipped with guide pad 41, be provided with guide hole 42 on the inside of guide pad 41,31 bottom of strut is hingedly connected with cross-bar 44, and cross-bar 44 is worn
Guide hole 42 to be crossed, is connected with spring 43 between 41 left side of guide pad and cross-bar 44,1 bottom of bottom plate position to the right is equipped with cylinder 45,
45 lower end of cylinder is equipped with corner block 46, and the right end of cross-bar 44 is located at the lower section of corner block 46 and is in contact with it.
Embodiment 4
A kind of eye eyesight measuring device includes as shown in figures 1 to 6 bottom plate 1, supporting leg 2, measuring device 3 and pulling dress
Set 4.1 bottom of bottom plate is respectively arranged on the left side and the right side supporting leg 2, and the position to the left of bottom plate 1 is equipped with measuring device 3, and 1 bottom of bottom plate, which is equipped with, draws
Dynamic device 4.
Measuring device 3 includes strut 31, motor 32, gear 33, rack gear 35, transverse slat 36, foot pedal 37, the first sliding rail
38, the first sliding block 39, seat 310, support rod 311, bracing wire 312, the second sliding rail 313, the second sliding block 314, visual chart 315 and photograph
The position to the left of bright lamp 316,1 top of bottom plate is equipped with strut 31, is equipped with motor 32 on strut 31, connects on the output shaft of motor 32
It being connected to gear 33, is provided with first through hole 34 on the inside of the position to the left of bottom plate 1, the 1 top leftmost side of bottom plate is equipped with the first sliding rail 38, and first
The first sliding block 39 is slidably equipped on sliding rail 38, the right end of the first sliding block 39 is equipped with seat 310,310 bottom of seat or so two
Side is equipped with support rod 311, and 310 right end bottom of seat is equipped with rack gear 35, and rack gear 35 passes through first through hole 34, gear 33 and rack gear
35 engagements, 35 bottom of rack gear are equipped with transverse slat 36, are wound with bracing wire 312 on the output shaft middle part of motor 32,1 top right side of bottom plate is equipped with
Second sliding rail 313 is slidably equipped with the second sliding block 314,312 tail end of bracing wire and the second sliding block 314 company on second sliding rail 313
It connects, the top of the second sliding block 314 is equipped with visual chart 315, and the upper left end of visual chart 315 is equipped with headlamp 316.
Pull unit 4 includes guide pad 41, spring 43, cross-bar 44, cylinder 45 and corner block 46, in 1 bottom of bottom plate
Between be equipped with guide pad 41, be provided with guide hole 42 on the inside of guide pad 41,31 bottom of strut is hingedly connected with cross-bar 44, and cross-bar 44 is worn
Guide hole 42 to be crossed, is connected with spring 43 between 41 left side of guide pad and cross-bar 44,1 bottom of bottom plate position to the right is equipped with cylinder 45,
45 lower end of cylinder is equipped with corner block 46, and the right end of cross-bar 44 is located at the lower section of corner block 46 and is in contact with it.
It further include having eye-shading device 5, eye-shading device 5 includes the first L shape bar 51, third sliding rail 52, third sliding block 53, stretches
Contracting band 54, eyeshade 55 and sponge 56, the first L shape bar 51 is equipped at the top of the first sliding rail 38, and 51 bottom of the first L shape bar is equipped with third cunning
Rail 52, third sliding block 53 is slidably equipped on third sliding rail 52, and 53 bottom of third sliding block is equipped with telescopic band 54,54 bottom of telescopic band
End is connected with eyeshade 55, is equipped with sponge 56 on the inside of eyeshade 55.
It further include having the 2nd L shape bar 6 and reflective mirror 7,315 top left side of visual chart is connected with the 2nd L shape bar 6, the 2nd L shape
Reflective mirror 7 is equipped on the inside of bar 6.
It further include having railing 8 and cushion 9,310 position of back of seat and seat plate are equipped with railing 8, and seat 310, which is equipped with, to be sat
Pad 9.
The material of seat 310 is stainless steel.
The material of transverse slat 36 is vulcanie.
Working principle: people sits in measuring device 3 first, can reach measurement effect by measuring device 3, allow and be sitting in seat
On people to measure eyesight more accurate, can adjust the position of measuring device 3 by pull unit 4, improve measurement effect.Because surveying
Measuring device 3 includes strut 31, motor 32, gear 33, rack gear 35, transverse slat 36, foot pedal 37, the first sliding rail 38, the first sliding block
39, seat 310, support rod 311, bracing wire 312, the second sliding rail 313, the second sliding block 314, visual chart 315 and headlamp 316, bottom
The position to the left at 1 top of plate is equipped with strut 31, is equipped with motor 32 on strut 31, is connected with gear on the output shaft of motor 32
33, it is provided with first through hole 34 on the inside of the position to the left of bottom plate 1, the 1 top leftmost side of bottom plate is equipped with the first sliding rail 38, on the first sliding rail 38
It is slidably equipped with the first sliding block 39, the right end of the first sliding block 39 is equipped with seat 310, is equipped at left and right sides of 310 bottom of seat
Support rod 311,310 right end bottom of seat are equipped with rack gear 35, and rack gear 35 passes through first through hole 34, and gear 33 is engaged with rack gear 35,
35 bottom of rack gear is equipped with transverse slat 36, is wound with bracing wire 312 on the output shaft middle part of motor 32, it is sliding that 1 top right side of bottom plate is equipped with second
Rail 313 is slidably equipped with the second sliding block 314 on second sliding rail 313, and 312 tail end of bracing wire is connect with the second sliding block 314, and second
The top of sliding block 314 is equipped with visual chart 315, and the upper left end of visual chart 315 is equipped with headlamp 316.When people needs to measure view
When power, it is sitting on seat 310, starting motor 32 rotates, and band moving gear 33 rotates, and then moves up and down with carry-over bar 35, due to
The effect of first sliding block 39, rack gear 35 will drive seat 310 when mobile and move up and down, the position of adjustable seat 310, rack gear
35 when moving up, and transverse slat 36 just arrives to bottom plate 1, and rack gear 35 is not engaged with gear 33, and when moving down, foot pedal 37 is just
It above gear 33, plays a protective role, gear 33 is engaged with rack gear 35, and motor 32 can tighten the drive of bracing wire 312 when rotating
Second sliding block 314 is moved to the left, and due to there is headlamp 316, people can be made to see more clearly.
Because pull unit 4 includes guide pad 41, spring 43, cross-bar 44, cylinder 45 and corner block 46,1 bottom of bottom plate
It is equipped with guide pad 41 among portion, is provided with guide hole 42 on the inside of guide pad 41,31 bottom of strut is hingedly connected with cross-bar 44, cross-bar
44 pass through guide hole 42, are connected with spring 43 between 41 left side of guide pad and cross-bar 44,1 bottom of bottom plate position to the right is equipped with cylinder
45,45 lower end of cylinder is equipped with corner block 46, and the right end of cross-bar 44 is located at the lower section of corner block 46 and is in contact with it.Control cylinder
45 elongations, drive corner block 46 to push cross, and strut 31 is swung to the right with gear 33, and at this moment gear 33 does not connect with rack gear 35
Touching, strut 31 drive the second sliding block 314 to be moved to the left, further people at a distance from visual chart 315.
Because further including having eye-shading device 5, eye-shading device 5 includes the first L shape bar 51, third sliding rail 52, third sliding block
53, telescopic band 54, eyeshade 55 and sponge 56 are equipped with the first L shape bar 51 at the top of first sliding rail 38, and 51 bottom of the first L shape bar is equipped with
Third sliding rail 52 is slidably equipped with third sliding block 53 on third sliding rail 52, and 53 bottom of third sliding block is equipped with telescopic band 54, stretches
54 bottom end of band is connected with eyeshade 55, is equipped with sponge 56 on the inside of eyeshade 55.When people are when measuring eyesight, pass through third sliding block 53
Effect pulls eyeshade 55 to move left and right, and since the elastic force of telescopic band 54 acts on, when eyeshade 55 being pulled to arrive suitable position, takes
Eyeshade 55 covers one eye eyeball, that is, can measure eyesight.
Because further including having the 2nd L shape bar 6 and reflective mirror 7,315 top left side of visual chart is connected with the 2nd L shape bar 6, the
Reflective mirror 7 is equipped on the inside of two L shape bars 6.When people are when measuring eyesight, since the light of headlamp 316 acts on, at this moment pass through this
The effect of a reflective mirror 7, reflection can be seen more clearly on visual chart 315.
Because further including having railing 8 and cushion 9,310 position of back of seat and seat plate are equipped with railing 8, set on seat 310
There is cushion 9.Railing 8 plays a certain protective role, and the cushion 9 on seat 310 gives a kind of comfort of people.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (3)
1. a kind of eye eyesight measuring device, which is characterized in that include bottom plate (1), supporting leg (2), measuring device (3) and pulling
Device (4)；Bottom plate (1) bottom is respectively arranged on the left side and the right side supporting leg (2), and bottom plate (1) position to the left is equipped with measuring device (3), bottom
Plate (1) bottom is equipped with pull unit (4)；Measuring device (3) includes strut (31), motor (32), gear (33), rack gear
(35), transverse slat (36), foot pedal (37), the first sliding rail (38), the first sliding block (39), seat (310), support rod (311), bracing wire
(312), the second sliding rail (313), the second sliding block (314), visual chart (315) and headlamp (316), it is to the left at the top of bottom plate (1)
Position is equipped with strut (31), is equipped with motor (32) on strut (31), gear (33), bottom are connected on the output shaft of motor (32)
Plate (1) is provided with first through hole (34) on the inside of position to the left, and the leftmost side is equipped with the first sliding rail (38) at the top of bottom plate (1), the first sliding rail
(38) the first sliding block (39) slidably are equipped on, the right end of the first sliding block (39) is equipped with seat (310), seat (310) bottom
The left and right sides is equipped with support rod (311), and seat (310) right end bottom is equipped with rack gear (35), and rack gear (35) passes through first through hole
(34), gear (33) is engaged with rack gear (35), and rack gear (35) bottom is equipped with transverse slat (36), in the middle part of the output shaft of motor (32) on around
Have bracing wire (312), bottom plate (1) top right side is equipped with the second sliding rail (313), and second is slidably equipped on the second sliding rail (313)
Sliding block (314), bracing wire (312) tail end are connect with the second sliding block (314), and the top of the second sliding block (314) is equipped with visual chart
(315), the upper left end of visual chart (315) is equipped with headlamp (316)；Pull unit (4) includes guide pad (41), spring
(43), cross-bar (44), cylinder (45) and corner block (46), bottom plate (1) bottom centre are equipped with guide pad (41), guide pad (41)
Inside is provided with guide hole (42), and strut (31) bottom is hingedly connected with cross-bar (44), and cross-bar (44) passes through guide hole (42), guiding
It is connected with spring (43) between cross-bar (44) on the left of block (41), bottom plate (1) bottom position to the right is equipped with cylinder (45), cylinder
(45) lower end is equipped with corner block (46), and the right end of cross-bar (44) is located at the lower section of corner block (46) and is in contact with it；Eyes view
Force measuring device further includes having eye-shading device (5), and eye-shading device (5) includes the first L shape bar (51), third sliding rail (52),
Three sliding blocks (53), telescopic band (54), eyeshade (55) and sponge (56), the first sliding rail (38) top are equipped with the first L shape bar (51), the
One L shape bar (51) bottom is equipped with third sliding rail (52), is slidably equipped with third sliding block (53) on third sliding rail (52), and third is sliding
Block (53) bottom is equipped with telescopic band (54), and telescopic band (54) bottom end is connected with eyeshade (55), and sponge is equipped on the inside of eyeshade (55)
(56)；Eye eyesight measuring device further includes having the 2nd L shape bar (6) and reflective mirror (7), the connection of visual chart (315) top left side
There is the 2nd L shape bar (6), is equipped with reflective mirror (7) on the inside of the 2nd L shape bar (6)；Eye eyesight measuring device further includes having railing (8)
With cushion (9), seat (310) position of back and seat plate are equipped with railing (8), and seat (310) is equipped with cushion (9).
2. a kind of eye eyesight measuring device according to claim 1, which is characterized in that the material of seat (310) is not
Become rusty steel.
3. a kind of eye eyesight measuring device according to claim 1, which is characterized in that the material of transverse slat (36) is hard
Rubber.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108245127B (en) * | 2018-01-18 | 2020-07-24 | 佛山爱尔眼科医院有限公司 | Be used for ophthalmology easily supplementary eyesight testing arrangement of adjustment type |
| CN108433695B (en) * | 2018-02-24 | 2020-07-03 | 北华大学 | Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for |
| CN108433694B (en) * | 2018-02-24 | 2020-05-26 | 邵阳爱尔眼科医院有限公司 | Convenient-to-adjust type auxiliary vision testing device for ophthalmology department |
| CN109077709A (en) * | 2018-08-31 | 2018-12-25 | 重庆建工住宅建设有限公司 | A kind of job site personnel health monitoring systems |
| CN111870219A (en) * | 2020-07-29 | 2020-11-03 | 深圳职业技术学院 | Vision detection system and optometry method for preventing overcorrection |
| 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 |
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