CN108478183A - A kind of vision testing device that ophthalmic is moved easily - Google Patents
A kind of vision testing device that ophthalmic is moved easily Download PDFInfo
- Publication number
- CN108478183A CN108478183A CN201810352773.4A CN201810352773A CN108478183A CN 108478183 A CN108478183 A CN 108478183A CN 201810352773 A CN201810352773 A CN 201810352773A CN 108478183 A CN108478183 A CN 108478183A
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- China
- Prior art keywords
- babinet
- spring
- shaft
- bottom plate
- testing device
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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
- A61B3/0016—Operational features thereof
- A61B3/0041—Operational features thereof characterised by display arrangements
-
- 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
Abstract
The present invention relates to a kind of vision testing device more particularly to a kind of vision testing devices that ophthalmic is moved easily.The present invention technical problem be：One kind is provided convenient for flexibly mobile, and the symbol on visual chart can be shown respectively, the vision testing device that the ophthalmic that tester focuses on is moved easily is conducive to.Technical solution is as follows：A kind of vision testing device that ophthalmic is moved easily includes bottom plate, supporting leg, holder, babinet, first bearing seat, first rotating shaft, roller, visual chart, motor, worm screw etc.；All around four sides are designed with supporting leg for bottom plate lower part, and middle side part is connected with holder on bottom plate, and cantilever tip is connected with babinet.The present invention overcomes visual charts in the prior art to be fixed on the wall mostly, it is not easy to flexible movement, and the shortcomings that excessively complicated symbol is easy the attention of dispersion tester on entire visual chart, reach convenient for flexibly mobile, and the symbol on visual chart can be shown respectively, the effect focused on convenient for tester.
Description
Technical field
The present invention relates to a kind of vision testing device more particularly to a kind of vision testing devices that ophthalmic is moved easily.
Background technology
The full name of ophthalmology is eye disease training, and ophthalmology is that research is happened at vision system, including eyeball and associated there
Tissue has the subject of related disorders.Common ophthalmology disease has：Center serosity retinopathy, xerophthalmia, yctalopia, blindness,
Amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis, presbyopia, colour blindness, heterochromia iridium, retinal color
Plain denaturation, retinal detachment, myopia, long sight, pinprick, glaucoma, muscae volitantes etc..
With popularizing for portable computer, many people use mobile phone or computer for a long time, to considerably increase ophthalmology disease
The frequency of generation, and eye test has important meaning to the clinical diagnosis and treatment of eye disease.Eye test is used at present
Be all visual chart, the opening direction of character on visual chart is judged to embody tester's under a certain distance by tester
Eyesight status.
In the prior art, visual chart is fixed on the wall mostly, is not easy to flexible movement, while tester needs in test
5 meters from visual chart remote, if indoor distance is not remote enough or insufficient light, it is easy to bring deviation to test result, so not
Conducive to the accuracy of eyesight testing.And when showing that entire visual chart is tested, excessively complicated symbol is easy on visual chart
Certain influence is brought to tester, is unfavorable for tester and is focused on.
Therefore it is a kind of convenient for flexibly mobile that there is an urgent need for research and development, and can show the symbol on visual chart respectively, is conducive to survey
The vision testing device that the ophthalmic that examination person focuses on is moved easily.
Invention content
In order to overcome in the prior art visual chart be fixed on the wall mostly, be not easy to flexible movement, and entire visual chart
On excessively complicated symbol the shortcomings that being easy the attention of dispersion tester, technical problem of the invention is：One kind is provided to be convenient for
It is flexibly mobile, and the symbol on visual chart can be shown respectively, be conducive to the ophthalmic that tester focuses on and facilitate shifting
Dynamic vision testing device.
Technical solution is as follows：A kind of vision testing device that ophthalmic is moved easily includes bottom plate, supporting leg, holder, case
Body, first bearing seat, first rotating shaft, roller, visual chart, motor, worm screw, the first one-way clutch, worm gear, the second shaft,
Two bearing bracket, the second one-way clutch, gear, endless glide, ring slider, plectane, external toothing and direction board, before bottom plate lower part
Four sides of left and right are designed with supporting leg afterwards, and middle side part is connected with holder on bottom plate, and cantilever tip is connected with babinet, and two middle side part of babinet is all
Equipped with first bearing seat, first rotating shaft is connected in first bearing seat, first rotating shaft is equipped with roller, and cylinder periphery is equipped with eyesight
Table, cabinet front middle part are provided with the first opening, and the first opening is located in front of visual chart, and it is unidirectional that first rotating shaft left end is connected with first
Clutch, the first one-way clutch outside are connected with worm gear, and babinet left side lower part is equipped with motor, leads on the output shaft of motor
It crosses shaft coupling and is connected with worm screw, worm and wheel is meshed, and the left upper portion of babinet is connected with second bearing seat, second bearing seat
It is inside connected with the second shaft, the bottom of the second shaft and the top of worm screw are connected by shaft coupling, and the second shaft top is connected with
Second one-way clutch, is connected with gear on the outside of the second one-way clutch, and top of the box is equipped with endless glide, in endless glide
Slidingtype is connected with ring slider, and ring slider top is connected with plectane, external toothing, external toothing and gear are connected on the outside of plectane
It is meshed, front side is equipped with the direction board with " left side " at the top of plectane, and plectane top rear is equipped with the direction board with " right side ".
Further include in one of the embodiments, have the first sliding rail, the first sliding block, pointer, electronic reel, driven wheel and
Bracing wire, bottom of box front side are equipped with the first sliding rail, and the first sliding rail inner sliding type is connected with the first sliding block, is connected on front side of the first sliding block
There is a pointer, pointer top is located at the first opening front, and the left part on front side of the bottom of box is equipped with electronic reel, before the bottom of box
The right part of side is equipped with driven wheel, and bracing wire is wound on electronic reel, and one end of bracing wire is connect with the left side of the first sliding block, bracing wire
The other end around driven wheel and be connected on the right side of the first sliding block.
Further include having mounting rod, universal wheel, guide sleeve, guide rod, swing rod, block and the first bullet in one of the embodiments,
Spring, the bottom base plate left and right sides are hingedly connected with mounting rod, and mounting rod is located at branch inboard leg, and two mounting rod ends are all installed
There are two universal wheel, holder lower front is connected with guide sleeve, and guide sleeve inner sliding type is connected with guide rod, and guide rod bottom end is hingedly connected with
Two swing rods, middle part is provided with the second opening on bottom plate, and the second opening between the mounting rod of left and right, across second open by two swing rods
Mouthful, and be articulated and connected respectively with the middle inside of two mounting rods, guide rod top is connected with block, and stop bottom is connected with first
It is connected on the upside of spring, the first spring bottom end and guide sleeve, guide rod passes through the first spring.
Further include having montant, bull stick and baffle in one of the embodiments, left part is connected with montant on the upside of bottom plate, erects
Bar top rotary type is connected with bull stick, and bull stick left end is connected with baffle.
Further include having spring base, second spring and control switch, cabinet front lower part or so in one of the embodiments,
It is arranged with spring base, second spring is all connected on the inside of two spring bases, being all connected with control on the inside of two second springs opens
It closes, has circuit connection between control switch and electronic reel.
When user will carry out eyesight testing, user opens motor and is allowed to rotate clockwise, and motor drives worm screw clockwise
Rotation, worm screw drive first rotating shaft to rotate by worm gear and the first one-way clutch, to which first rotating shaft is regarded by roller drive
Power table rotates, and tester can see the symbol on visual chart by the first opening of cabinet front, when the symbol on visual chart
When number being adjusted to suitable size, user can close motor, and tester is required to recognize the symbol on visual chart, carry out eyesight survey
Examination, when the eyesight testing of left eye finishes, and to test the eyesight of right eye, user is then turned on motor and is allowed to revolve counterclockwise
Turn, motor drives the second shaft to rotate counterclockwise by worm screw at this time, and the second shaft passes through the second one-way clutch band moving gear
Rotation, to drive direction board rotation by plectane by external toothing, when the direction board with " right side " turns to tester at the moment
When, user closes motor, and tester can regard left eye or right eye according to " left side " or " right side " shown on direction board
Power is tested, and is adjusted the size that visual chart shows symbol by rotation, is facilitated carry out eyesight testing.
Because further including having the first sliding rail, the first sliding block, pointer, electronic reel, driven wheel and bracing wire, before the bottom of box
Side is equipped with the first sliding rail, and the first sliding rail inner sliding type is connected with the first sliding block, pointer, pointer top are connected on front side of the first sliding block
Positioned at the first opening front, the left part on front side of the bottom of box is equipped with electronic reel, and the right part on front side of the bottom of box is equipped with
Driven wheel is wound with bracing wire on electronic reel, and one end of bracing wire is connect with the left side of the first sliding block, the other end of bracing wire bypass from
Driving wheel and be connected on the right side of the first sliding block.After visual chart and direction board adjust, it is suitable that user opens electronic reel
Hour hands rotate counterclockwise, and electronic reel drives driven wheel to rotate by bracing wire, to which bracing wire is in electronic reel and driven
The first sliding block is driven under the cooperation of wheel to the right or is moved to the left, to drive pointer to the right or be moved to the left, when pointer moves to institute
Electronic reel is closed when symbol on the visual chart that need to be tested, can so tester be facilitated to recognize.
Because further including having mounting rod, universal wheel, guide sleeve, guide rod, swing rod, block and the first spring, bottom base plate or so
Both sides are hingedly connected with mounting rod, and mounting rod is located at branch inboard leg, and two mounting rod ends are fitted with two universal wheels, branch
Frame lower front is connected with guide sleeve, and guide sleeve inner sliding type is connected with guide rod, and the articulated connection of guide rod bottom end is there are two swing rod, on bottom plate
Middle part is provided with the second opening, and for the second opening positioned at the mounting rod of left and right between, two swing rods pass through second to be open, and respectively with two
The middle inside of mounting rod is articulated and connected, and guide rod top is connected with block, and stop bottom is connected with the first spring, the first spring bottom
It is connected on the upside of end and guide sleeve, guide rod passes through the first spring.When needing mobile vision testing device, user presses block, gear
Block by guide rod drive two swing rods move down, the first spring-compressed, meanwhile, swing rod push mounting rod rotation make universal wheel with
Ground contacts, meanwhile, universal wheel supports whole equipment, and supporting leg is no longer contacted with ground, at this point, user can arbitrarily move
Dynamic equipment is to suitable position, and after position adjusts, user slowly unclamps block, the first spring reset, and universal wheel passes through
Swing rod and guide rod rotation reset, and can offer convenience in this way to the movement of vision testing device.
Because further including having montant, bull stick and baffle, left part is connected with montant, the connection of montant top rotary type on the upside of bottom plate
There are bull stick, bull stick left end to be connected with baffle, after user makes universal wheel and ground contact, for the ease of mobile device it is necessary to tieing up
Universal wheel and the contact condition on ground are held, and user makes bull stick band with a hand pressing block with another hand swingle at this time
Dynamic baffle is moved to above block, at this point, user can unclamp block, block moves up under the action of the first spring, and
Baffle can be such that block is maintained in a suitable height, so, so that it may to maintain contact shape of the universal wheel with ground
State, while the strength of user can also be saved, keep equipment more convenient when moving.
Because further including having spring base, second spring and control switch, cabinet front lower part is symmetrical to be equipped with spring base,
It is all connected with second spring on the inside of two spring bases, control switch, control switch and electricity are all connected on the inside of two second springs
There is circuit connection between dynamic reel.Under cooperation of the bracing wire in electronic reel and driven wheel, referred to by the drive of the first sliding block
When needle is moved to the left or right with control switch contact, control switch controls electronic reel and closes, in this way can be to avoid pointer
Position too close to edge to causing to hinder to the movement of electronic reel and driven wheel, prevent from damaging equipment.
The present invention overcomes visual charts in the prior art to be fixed on the wall mostly, is not easy to flexible movement, and entirely regard
Excessively complicated symbol is easy the shortcomings that attention of dispersion tester on power table, has reached convenient for flexibly mobile, and can will
Symbol on visual chart is shown respectively, is played in equipment convenient for the effect that tester focuses on by being provided with baffle
Laborsaving effect can be more saved when mobile, is convenient for the movement of equipment.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the first front view of the present invention.
Fig. 2 is the first main structure diagram of the present invention.
Fig. 3 is second of main structure diagram of the present invention.
Fig. 4 is the schematic cross-sectional view of second of front view of the present invention.
Fig. 5 is the schematic cross-sectional view of the third front view of the present invention.
The label of each parts is as follows in attached drawing：1 bottom plate, 2 supporting legs, 3 holders, 4 babinets, 5 first bearing seats, 6
First rotating shaft, 7 rollers, 8 visual charts, 9 first openings, 10 motors, 11 worm screws, 12 first one-way clutch, 13 snails
Wheel, 14 second shafts, 141 second bearing seats, 15 second one-way clutch, 16 gears, 17 endless glides, 18 annulars are sliding
Block, 19 plectanes, 20 external toothings, 21 direction boards, 22 first sliding rails, 23 first sliding blocks, 24 pointers, 25 electronic reels,
26 driven wheels, 27 bracing wires, 28 mounting rods, 29 universal wheels, 30 guide sleeves, 31 guide rods, 32 swing rods, 33 second openings, 34
Block, 35 first springs, 36 montants, 37 bull sticks, 38 baffles, 39 spring bases, 40 second springs, 41 control switches.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
A kind of vision testing device that ophthalmic is moved easily includes as shown in Figs. 1-5 bottom plate 1, supporting leg 2, holder 3, babinet
4, first bearing seat 5, first rotating shaft 6, roller 7, visual chart 8, motor 10, worm screw 11, the first one-way clutch 12, worm gear 13,
Second shaft 14, second bearing seat 141, the second one-way clutch 15, gear 16, endless glide 17, ring slider 18, plectane
19, external toothing 20 and direction board 21, all around four sides are designed with supporting leg 2 to 1 lower part of bottom plate, and middle side part is connected with branch on bottom plate 1
Frame 3,3 top of holder are connected with babinet 4, and 4 liang of middle side parts of babinet are designed with first bearing seat 5, and is connected in first bearing seat 5
One shaft 6, first rotating shaft 6 are equipped with roller 7, and 7 periphery of roller is equipped with visual chart 8, and 4 front side middle part of babinet is provided with the first opening 9,
First opening 9 is located at 8 front of visual chart, and 6 left end of first rotating shaft is connected with the first one-way clutch 12, the first one-way clutch 12
Outside is connected with worm gear 13, and 4 left side lower part of babinet is equipped with motor 10, is connected with by shaft coupling on the output shaft of motor 10
Worm screw 11, worm screw 11 are meshed with worm gear 13, and the left upper portion of babinet 4 is connected with second bearing seat 141, second bearing seat 141
It is inside connected with the second shaft 14, the bottom of the second shaft 14 is connect with the top of worm screw 11 by shaft coupling, the second shaft 14 top
End is connected with the second one-way clutch 15, and the outside of the second one-way clutch 15 is connected with gear 16, and 4 top of babinet is equipped with annular
Sliding rail 17,17 inner sliding type of endless glide are connected with ring slider 18, and 18 top of ring slider is connected with plectane 19, outside plectane 19
Side is connected with external toothing 20, and external toothing 20 is meshed with gear 16, and 19 top front side of plectane is equipped with the direction board 21 with " left side ",
19 top rear of plectane is equipped with the direction board 21 with " right side ".
Embodiment 2
A kind of vision testing device that ophthalmic is moved easily includes as shown in Figs. 1-5 bottom plate 1, supporting leg 2, holder 3, babinet
4, first bearing seat 5, first rotating shaft 6, roller 7, visual chart 8, motor 10, worm screw 11, the first one-way clutch 12, worm gear 13,
Second shaft 14, second bearing seat 141, the second one-way clutch 15, gear 16, endless glide 17, ring slider 18, plectane
19, external toothing 20 and direction board 21, all around four sides are designed with supporting leg 2 to 1 lower part of bottom plate, and middle side part is connected with branch on bottom plate 1
Frame 3,3 top of holder are connected with babinet 4, and 4 liang of middle side parts of babinet are designed with first bearing seat 5, and is connected in first bearing seat 5
One shaft 6, first rotating shaft 6 are equipped with roller 7, and 7 periphery of roller is equipped with visual chart 8, and 4 front side middle part of babinet is provided with the first opening 9,
First opening 9 is located at 8 front of visual chart, and 6 left end of first rotating shaft is connected with the first one-way clutch 12, the first one-way clutch 12
Outside is connected with worm gear 13, and 4 left side lower part of babinet is equipped with motor 10, is connected with by shaft coupling on the output shaft of motor 10
Worm screw 11, worm screw 11 are meshed with worm gear 13, and the left upper portion of babinet 4 is connected with second bearing seat 141, second bearing seat 141
It is inside connected with the second shaft 14, the bottom of the second shaft 14 is connect with the top of worm screw 11 by shaft coupling, the second shaft 14 top
End is connected with the second one-way clutch 15, and the outside of the second one-way clutch 15 is connected with gear 16, and 4 top of babinet is equipped with annular
Sliding rail 17,17 inner sliding type of endless glide are connected with ring slider 18, and 18 top of ring slider is connected with plectane 19, outside plectane 19
Side is connected with external toothing 20, and external toothing 20 is meshed with gear 16, and 19 top front side of plectane is equipped with the direction board 21 with " left side ",
19 top rear of plectane is equipped with the direction board 21 with " right side ".
Further include having the first sliding rail 22, the first sliding block 23, pointer 24, electronic reel 25, driven wheel 26 and bracing wire 27, case
4 lower front of body is equipped with the first sliding rail 22, and 22 inner sliding type of the first sliding rail is connected with the first sliding block 23, and 23 front side of the first sliding block connects
It is connected to pointer 24,24 top of pointer is located at 9 front of the first opening, and the left part of 4 lower front of babinet is equipped with electronic reel 25,
The right part of 4 lower front of babinet is equipped with driven wheel 26, and bracing wire 27, one end of bracing wire 27 and first are wound on electronic reel 25
The left side of sliding block 23 connects, and the other end of bracing wire 27 is connected around driven wheel 26 and with the right side of the first sliding block 23.
Embodiment 3
A kind of vision testing device that ophthalmic is moved easily includes as shown in Figs. 1-5 bottom plate 1, supporting leg 2, holder 3, babinet
4, first bearing seat 5, first rotating shaft 6, roller 7, visual chart 8, motor 10, worm screw 11, the first one-way clutch 12, worm gear 13,
Second shaft 14, second bearing seat 141, the second one-way clutch 15, gear 16, endless glide 17, ring slider 18, plectane
19, external toothing 20 and direction board 21, all around four sides are designed with supporting leg 2 to 1 lower part of bottom plate, and middle side part is connected with branch on bottom plate 1
Frame 3,3 top of holder are connected with babinet 4, and 4 liang of middle side parts of babinet are designed with first bearing seat 5, and is connected in first bearing seat 5
One shaft 6, first rotating shaft 6 are equipped with roller 7, and 7 periphery of roller is equipped with visual chart 8, and 4 front side middle part of babinet is provided with the first opening 9,
First opening 9 is located at 8 front of visual chart, and 6 left end of first rotating shaft is connected with the first one-way clutch 12, the first one-way clutch 12
Outside is connected with worm gear 13, and 4 left side lower part of babinet is equipped with motor 10, is connected with by shaft coupling on the output shaft of motor 10
Worm screw 11, worm screw 11 are meshed with worm gear 13, and the left upper portion of babinet 4 is connected with second bearing seat 141, second bearing seat 141
It is inside connected with the second shaft 14, the bottom of the second shaft 14 is connect with the top of worm screw 11 by shaft coupling, the second shaft 14 top
End is connected with the second one-way clutch 15, and the outside of the second one-way clutch 15 is connected with gear 16, and 4 top of babinet is equipped with annular
Sliding rail 17,17 inner sliding type of endless glide are connected with ring slider 18, and 18 top of ring slider is connected with plectane 19, outside plectane 19
Side is connected with external toothing 20, and external toothing 20 is meshed with gear 16, and 19 top front side of plectane is equipped with the direction board 21 with " left side ",
19 top rear of plectane is equipped with the direction board 21 with " right side ".
Further include having the first sliding rail 22, the first sliding block 23, pointer 24, electronic reel 25, driven wheel 26 and bracing wire 27, case
4 lower front of body is equipped with the first sliding rail 22, and 22 inner sliding type of the first sliding rail is connected with the first sliding block 23, and 23 front side of the first sliding block connects
It is connected to pointer 24,24 top of pointer is located at 9 front of the first opening, and the left part of 4 lower front of babinet is equipped with electronic reel 25,
The right part of 4 lower front of babinet is equipped with driven wheel 26, and bracing wire 27, one end of bracing wire 27 and first are wound on electronic reel 25
The left side of sliding block 23 connects, and the other end of bracing wire 27 is connected around driven wheel 26 and with the right side of the first sliding block 23.
Further include having mounting rod 28, universal wheel 29, guide sleeve 30, guide rod 31, swing rod 32, block 34 and the first spring 35, bottom
Mounting rod 28 is hingedly connected at left and right sides of 1 bottom of plate, mounting rod 28 is located at 2 inside of supporting leg, and two 28 ends of mounting rod are all
There are two universal wheel 29,3 lower fronts of holder to be connected with guide sleeve 30 for installation, and 30 inner sliding type of guide sleeve is connected with guide rod 31, guide rod
The articulated connection of 31 bottom ends is there are two swing rod 32, and middle part is provided with the second opening 33 on bottom plate 1, and the second opening 33 is located at left and right mounting rod
Between 28, two swing rods 32 pass through the second opening 33, and are articulated and connected respectively with the middle inside of two mounting rods 28, guide rod 31
Top is connected with block 34, and 34 bottom of block is connected with the first spring 35, and 35 bottom end of the first spring is connected with 30 upside of guide sleeve,
Guide rod 31 passes through the first spring 35.
Embodiment 4
A kind of vision testing device that ophthalmic is moved easily includes as shown in Figs. 1-5 bottom plate 1, supporting leg 2, holder 3, babinet
4, first bearing seat 5, first rotating shaft 6, roller 7, visual chart 8, motor 10, worm screw 11, the first one-way clutch 12, worm gear 13,
Second shaft 14, second bearing seat 141, the second one-way clutch 15, gear 16, endless glide 17, ring slider 18, plectane
19, external toothing 20 and direction board 21, all around four sides are designed with supporting leg 2 to 1 lower part of bottom plate, and middle side part is connected with branch on bottom plate 1
Frame 3,3 top of holder are connected with babinet 4, and 4 liang of middle side parts of babinet are designed with first bearing seat 5, and is connected in first bearing seat 5
One shaft 6, first rotating shaft 6 are equipped with roller 7, and 7 periphery of roller is equipped with visual chart 8, and 4 front side middle part of babinet is provided with the first opening 9,
First opening 9 is located at 8 front of visual chart, and 6 left end of first rotating shaft is connected with the first one-way clutch 12, the first one-way clutch 12
Outside is connected with worm gear 13, and 4 left side lower part of babinet is equipped with motor 10, is connected with by shaft coupling on the output shaft of motor 10
Worm screw 11, worm screw 11 are meshed with worm gear 13, and the left upper portion of babinet 4 is connected with second bearing seat 141, second bearing seat 141
It is inside connected with the second shaft 14, the bottom of the second shaft 14 is connect with the top of worm screw 11 by shaft coupling, the second shaft 14 top
End is connected with the second one-way clutch 15, and the outside of the second one-way clutch 15 is connected with gear 16, and 4 top of babinet is equipped with annular
Sliding rail 17,17 inner sliding type of endless glide are connected with ring slider 18, and 18 top of ring slider is connected with plectane 19, outside plectane 19
Side is connected with external toothing 20, and external toothing 20 is meshed with gear 16, and 19 top front side of plectane is equipped with the direction board 21 with " left side ",
19 top rear of plectane is equipped with the direction board 21 with " right side ".
Further include having the first sliding rail 22, the first sliding block 23, pointer 24, electronic reel 25, driven wheel 26 and bracing wire 27, case
4 lower front of body is equipped with the first sliding rail 22, and 22 inner sliding type of the first sliding rail is connected with the first sliding block 23, and 23 front side of the first sliding block connects
It is connected to pointer 24,24 top of pointer is located at 9 front of the first opening, and the left part of 4 lower front of babinet is equipped with electronic reel 25,
The right part of 4 lower front of babinet is equipped with driven wheel 26, and bracing wire 27, one end of bracing wire 27 and first are wound on electronic reel 25
The left side of sliding block 23 connects, and the other end of bracing wire 27 is connected around driven wheel 26 and with the right side of the first sliding block 23.
Further include having mounting rod 28, universal wheel 29, guide sleeve 30, guide rod 31, swing rod 32, block 34 and the first spring 35, bottom
Mounting rod 28 is hingedly connected at left and right sides of 1 bottom of plate, mounting rod 28 is located at 2 inside of supporting leg, and two 28 ends of mounting rod are all
There are two universal wheel 29,3 lower fronts of holder to be connected with guide sleeve 30 for installation, and 30 inner sliding type of guide sleeve is connected with guide rod 31, guide rod
The articulated connection of 31 bottom ends is there are two swing rod 32, and middle part is provided with the second opening 33 on bottom plate 1, and the second opening 33 is located at left and right mounting rod
Between 28, two swing rods 32 pass through the second opening 33, and are articulated and connected respectively with the middle inside of two mounting rods 28, guide rod 31
Top is connected with block 34, and 34 bottom of block is connected with the first spring 35, and 35 bottom end of the first spring is connected with 30 upside of guide sleeve,
Guide rod 31 passes through the first spring 35.
Further include having montant 36, bull stick 37 and baffle 38,1 upside left part of bottom plate is connected with montant 36, and 36 top of montant turns
Dynamic formula is connected with bull stick 37, and 37 left end of bull stick is connected with baffle 38.
Further include having spring base 39, second spring 40 and control switch 41,4 lower front of babinet is symmetrical to be equipped with spring
Seat 39, two 39 insides of spring base are all connected with second spring 40, and two 40 insides of second spring are all connected with control switch 41,
There is circuit connection between control switch 41 and electronic reel 25.
When user will carry out eyesight testing, user opens motor 10 and is allowed to rotate clockwise, and motor 10 drives worm screw 11
It rotates clockwise, worm screw 11 drives first rotating shaft 6 to rotate by worm gear 13 and the first one-way clutch 12, to first rotating shaft 6
Visual chart 8 is driven to rotate by roller 7, and tester can be seen by the first opening 9 of 4 front side of babinet on visual chart 8
Symbol, when the symbol on visual chart 8 is adjusted to suitable size, user can close motor 10, and tester's identification is required to regard
Symbol on power table 8 carries out eyesight testing, when the eyesight testing of left eye finishes, and to test the eyesight of right eye, user
Motor 10 is then turned on to be allowed to rotate counterclockwise, motor 10 drives the second shaft 14 to rotate counterclockwise by worm screw 11 at this time, and second
Shaft 14 is rotated by the second one-way clutch 15 with moving gear 16, to drive direction board by plectane 19 by external toothing 20
21 rotations, when the direction board 21 with " right side " turns to tester at the moment, user closes motor 10, and tester can root
According to " left side " or " right side " shown on direction board 21, eyesight testing is carried out to left eye or right eye, adjusting visual chart 8 by rotation shows
The size of symbol facilitates carry out eyesight testing.
Because further including having the first sliding rail 22, the first sliding block 23, pointer 24, electronic reel 25, driven wheel 26 and bracing wire
27,4 lower front of babinet is equipped with the first sliding rail 22, and 22 inner sliding type of the first sliding rail is connected with the first sliding block 23, the first sliding block 23
Front side is connected with pointer 24, and 24 top of pointer is located at 9 front of the first opening, the left part of 4 lower front of babinet be equipped with it is electronic around
The right part of line wheel 25,4 lower front of babinet is equipped with driven wheel 26, is wound with bracing wire 27 on electronic reel 25, and the one of bracing wire 27
End is connect with the left side of the first sliding block 23, and the other end of bracing wire 27 is connected around driven wheel 26 and with the right side of the first sliding block 23
It connects.After visual chart 8 and direction board 21 adjust, user opens electronic reel 25 and rotates clockwise or counterclockwise, electronic
Reel 25 drives driven wheel 26 to rotate by bracing wire 27, to which bracing wire 27 is under the cooperation of electronic reel 25 and driven wheel 26
It drives the first sliding block 23 to the right or is moved to the left, to drive pointer 24 to the right or be moved to the left, when pointer 24 moves to required survey
Electronic reel 25 is closed when symbol on the visual chart 8 of examination, can so tester be facilitated to recognize.
Because further including having mounting rod 28, universal wheel 29, guide sleeve 30, guide rod 31, swing rod 32, block 34 and the first spring
35,1 bottom of the bottom plate left and right sides is hingedly connected with mounting rod 28, and mounting rod 28 is located at 2 inside of supporting leg, two 28 ends of mounting rods
End is fitted with two universal wheels 29, and 3 lower front of holder is connected with guide sleeve 30, and 30 inner sliding type of guide sleeve is connected with guide rod 31,
The articulated connection of 31 bottom end of guide rod is there are two swing rod 32, and middle part is provided with the second opening 33 on bottom plate 1, and the second opening 33 is located at left and right peace
Between filling bar 28, two swing rods 32 pass through the second opening 33, and are articulated and connected respectively with the middle inside of two mounting rods 28, lead
31 top of bar is connected with block 34, and 34 bottom of block is connected with the first spring 35,35 bottom end of the first spring and 30 upside phase of guide sleeve
Connection, guide rod 31 pass through the first spring 35.When needing mobile vision testing device, user presses block 34, and block 34 passes through
Guide rod 31 drives two swing rods 32 to move down, the compression of the first spring 35, meanwhile, it is universal that swing rod 32 pushes the rotation of mounting rod 28 to make
Wheel 29 is contacted with ground, meanwhile, universal wheel 29 supports whole equipment, and supporting leg 2 is no longer contacted with ground, at this point, user
Can arbitrarily mobile device is to suitable position, after position adjusts, user slowly unclamps block 34, and the first spring 35 is multiple
Position, universal wheel 29 are resetted by swing rod 32 and the rotation of guide rod 31, can be offered convenience in this way to the movement of vision testing device.
Because further including having montant 36, bull stick 37 and baffle 38,1 upside left part of bottom plate is connected with montant 36, and montant 36 pushes up
End rotary type is connected with bull stick 37, and 37 left end of bull stick is connected with baffle 38, after user makes universal wheel 29 be contacted with ground, in order to
Equipment easy to remove is it is necessary to maintain the contact condition of universal wheel 29 and ground, and user presses block 34 with a hand at this time, uses
Another hand swingle 37 makes bull stick 37 that baffle 38 be driven to be moved to 34 top of block, at this point, user can unclamp block 34,
Block 34 moves up under the action of the first spring 35, and baffle 38 can make block 34 be maintained at a suitable height
On, so, so that it may to maintain the contact condition of universal wheel 29 and ground, while the strength of user can also be saved, made
Equipment is more convenient when moving.
Because further including having spring base 39, second spring 40 and control switch 41,4 lower front of babinet is symmetrical to be equipped with
Spring base 39, two 39 insides of spring base are all connected with second spring 40, and two 40 insides of second spring are all connected with control and open
41 are closed, controlling between switch 41 and electronic reel 25 has circuit connection.When bracing wire 27 is in electronic reel 25 and driven wheel 26
Cooperation under, by the first sliding block 23 drive pointer 24 be moved to the left or right with control switch 41 contact when, control switch 41
Control the closing of electronic reel 25, in this way can to avoid pointer 24 position too close to edge to 25 He of electronic reel
The movement of driven wheel 26 causes to hinder, and prevents from damaging equipment.
Although describing the disclosure only with respect to the embodiment of limited quantity, the ability of the disclosure is benefited from
Field technique personnel will be understood that, without departing from the scope of the invention, can design various other embodiments.Therefore,
The scope of the present invention should be limited only by the following claims.
Claims (5)
1. a kind of vision testing device that ophthalmic is moved easily, which is characterized in that include bottom plate（1）, supporting leg（2）, holder
（3）, babinet（4）, first bearing seat（5）, first rotating shaft（6）, roller（7）, visual chart（8）, motor（10）, worm screw（11）,
One one-way clutch（12）, worm gear（13）, the second shaft（14）, second bearing seat（141）, the second one-way clutch（15）, tooth
Wheel（16）, endless glide（17）, ring slider（18）, plectane（19）, external toothing（20）And direction board（21）, bottom plate（1）Lower part
All around four sides are designed with supporting leg（2）, bottom plate（1）Upper middle side part is connected with holder（3）, holder（3）Top is connected with babinet
（4）, babinet（4）Two middle side parts are designed with first bearing seat（5）, first bearing seat（5）Inside it is connected with first rotating shaft（6）, first
Shaft（6）It is equipped with roller（7）, roller（7）Periphery is equipped with visual chart（8）, babinet（4）It is provided with the first opening in the middle part of front side（9）,
First opening（9）Positioned at visual chart（8）Front, first rotating shaft（6）Left end is connected with the first one-way clutch（12）, first is unidirectional
Clutch（12）Outside is connected with worm gear（13）, babinet（4）Left side lower part is equipped with motor（10）, motor（10）Output shaft
It is upper that worm screw is connected with by shaft coupling（11）, worm screw（11）With worm gear（13）It is meshed, babinet（4）Left upper portion be connected with
Two bearing bracket（141）, second bearing seat（141）Inside it is connected with the second shaft（14）, the second shaft（14）Bottom and worm screw
（11）Top connected by shaft coupling, the second shaft（14）Top is connected with the second one-way clutch（15）, second unidirectionally from
Clutch（15）Outside be connected with gear（16）, babinet（4）Top is equipped with endless glide（17）, endless glide（17）Inner sliding type
It is connected with ring slider（18）, ring slider（18）Top is connected with plectane（19）, plectane（19）Outside is connected with external toothing
（20）, external toothing（20）With gear（16）It is meshed, plectane（19）The direction board with " left side " is equipped on front side of top（21）, plectane
（19）Top rear is equipped with the direction board with " right side "（21）.
2. the vision testing device that a kind of ophthalmic according to claim 1 is moved easily, which is characterized in that further include having
First sliding rail（22）, the first sliding block（23）, pointer（24）, electronic reel（25）, driven wheel（26）And bracing wire（27）, babinet
（4）Lower front is equipped with the first sliding rail（22）, the first sliding rail（22）Inner sliding type is connected with the first sliding block（23）, the first sliding block
（23）Front side is connected with pointer（24）, pointer（24）Top is located at the first opening（9）Front, babinet（4）The left part of lower front
Electronic reel is installed（25）, babinet（4）The right part of lower front is equipped with driven wheel（26）, electronic reel（25）On around
There is bracing wire（27）, bracing wire（27）One end and the first sliding block（23）Left side connection, bracing wire（27）The other end bypass driven wheel
（26）And with the first sliding block（23）Right side be connected.
3. the vision testing device that a kind of ophthalmic according to claim 2 is moved easily, which is characterized in that further include having
Mounting rod（28）, universal wheel（29）, guide sleeve（30）, guide rod（31）, swing rod（32）, block（34）With the first spring（35）, bottom plate
（1）It is hingedly connected with mounting rod at left and right sides of bottom（28）, mounting rod（28）Positioned at supporting leg（2）Inside, two mounting rods
（28）End is fitted with two universal wheels（29）, holder（3）Lower front is connected with guide sleeve（30）, guide sleeve（30）Inner sliding type
It is connected with guide rod（31）, guide rod（31）There are two swing rods for bottom end articulated connection（32）, bottom plate（1）Upper middle part is provided with the second opening
（33）, the second opening（33）Positioned at left and right mounting rod（28）Between, two swing rods（32）Across the second opening（33）, and respectively with
Two mounting rods（28）Middle inside articulated connection, guide rod（31）Top is connected with block（34）, block（34）Bottom connects
There is the first spring（35）, the first spring（35）Bottom end and guide sleeve（30）Upside is connected, guide rod（31）Across the first spring（35）.
4. the vision testing device that a kind of ophthalmic according to claim 3 is moved easily, which is characterized in that further include having
Montant（36）, bull stick（37）And baffle（38）, bottom plate（1）Upside left part is connected with montant（36）, montant（36）Top rotary type
It is connected with bull stick（37）, bull stick（37）Left end is connected with baffle（38）.
5. the vision testing device that a kind of ophthalmic according to claim 4 is moved easily, which is characterized in that further include having
Spring base（39）, second spring（40）It is switched with control（41）, babinet（4）Lower front is symmetrical to be equipped with spring base（39）,
Two spring bases（39）Inside is all connected with second spring（40）, two second springs（40）Inside is all connected with control switch
（41）, control switch（41）With electronic reel（25）Between have circuit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352773.4A CN108478183B (en) | 2018-04-19 | 2018-04-19 | Eyesight test equipment convenient to move for ophthalmology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810352773.4A CN108478183B (en) | 2018-04-19 | 2018-04-19 | Eyesight test equipment convenient to move for ophthalmology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108478183A true CN108478183A (en) | 2018-09-04 |
| CN108478183B CN108478183B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810352773.4A Active CN108478183B (en) | 2018-04-19 | 2018-04-19 | Eyesight test equipment convenient to move for ophthalmology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171635A (en) * | 2018-09-26 | 2019-01-11 | 秦金凤 | A kind of two-way visual chart of ophthalmology |
| CN111990963A (en) * | 2020-08-17 | 2020-11-27 | 班珍兰 | Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for |
| CN112617744A (en) * | 2020-11-26 | 2021-04-09 | 江苏艾尚美眼镜有限公司 | Freely-adjusted refractometer projection plate |
| CN112842250A (en) * | 2021-01-05 | 2021-05-28 | 苏州东九医疗科技有限公司 | Medical treatment ophthalmic eyesight test equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205814293U (en) * | 2016-06-17 | 2016-12-21 | 石继来 | A kind of medical treatment ophthalmic sight test means |
| CN107010248A (en) * | 2017-05-06 | 2017-08-04 | 郑红艳 | A kind of rim of a cup sealing device of multistation |
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2018
- 2018-04-19 CN CN201810352773.4A patent/CN108478183B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205814293U (en) * | 2016-06-17 | 2016-12-21 | 石继来 | A kind of medical treatment ophthalmic sight test means |
| CN107010248A (en) * | 2017-05-06 | 2017-08-04 | 郑红艳 | A kind of rim of a cup sealing device of multistation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171635A (en) * | 2018-09-26 | 2019-01-11 | 秦金凤 | A kind of two-way visual chart of ophthalmology |
| CN109171635B (en) * | 2018-09-26 | 2020-12-15 | 孔祥峰 | Ophthalmic bidirectional visual chart |
| CN111990963A (en) * | 2020-08-17 | 2020-11-27 | 班珍兰 | Be used for ophthalmology's supplementary eyesight testing arrangement of adjustment type of being convenient for |
| CN112617744A (en) * | 2020-11-26 | 2021-04-09 | 江苏艾尚美眼镜有限公司 | Freely-adjusted refractometer projection plate |
| CN112617744B (en) * | 2020-11-26 | 2022-03-18 | 江苏艾尚美眼镜有限公司 | Freely-adjusted refractometer projection plate |
| CN112842250A (en) * | 2021-01-05 | 2021-05-28 | 苏州东九医疗科技有限公司 | Medical treatment ophthalmic eyesight test equipment |
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| Publication number | Publication date |
|---|---|
| CN108478183B (en) | 2020-05-08 |
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Inventor after: Jiang Guangwei Inventor after: Qu Mingxuan Inventor after: Kong Lili Inventor after: Lai Wenhao Inventor before: Lai Wenhao |
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Effective date of registration: 20200407 Address after: 264100 Yantai Affiliated Hospital of Binzhou Medical University, Yantai, Muping 717, Shandong, China Applicant after: Jiang Guangwei Address before: 518057 B215, South Campus of Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Applicant before: Lai Wenhao |
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