CN107951462A - A kind of ophthalmology visual chart is in put equipment - Google Patents
A kind of ophthalmology visual chart is in put equipment Download PDFInfo
- Publication number
- CN107951462A CN107951462A CN201711203731.6A CN201711203731A CN107951462A CN 107951462 A CN107951462 A CN 107951462A CN 201711203731 A CN201711203731 A CN 201711203731A CN 107951462 A CN107951462 A CN 107951462A
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- China
- Prior art keywords
- visual chart
- supporting rod
- bull stick
- sliding block
- mobile bar
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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
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- Life Sciences & Earth Sciences (AREA)
- 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)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
It is in put equipment the present invention relates to one kind, more particularly to a kind of ophthalmology visual chart is in put equipment.The technical problem to be solved in the present invention is to provide a kind of visual chart that can be clamped on different positions to be put and can adjust the ophthalmology visual chart of visual chart position height in putting equipment.In order to solve the above technical problem, the present invention provides such a ophthalmology visual chart in equipment is put, include base etc.；Base top is connected with supporting mechanism, and clamp system is connected with the top of supporting mechanism.Invention achieves can clamp visual chart on different positions to be put and can adjust the effect of visual chart position height, the universal wheel of setting can allow staff to promote handle to drive supporting rod to be moved, so as to be parked in required position up, and after parking, staff can rotate flap to drive clamp system to rotate, so that the visual chart on clamp system can allow the crowd of multi-angle to be watched.
Description
Technical field
It is in put equipment the present invention relates to one kind, more particularly to a kind of ophthalmology visual chart is in put equipment.
Background technology
The full name of ophthalmology is " illness in eye training ", is that research occurs in vision system, including eyeball and associated there group
It is woven with the subject of related disorders.Ophthalmology general Study vitreum, retinal disease, eye optometry, glaucoma and optic neuropathy, in vain
A variety of ophthalmology diseases such as cataract or glaucoma.
Visual chart is the chart for measuring eyesight.The visual chart that the country uses has：International standard visual chart, logarithm eyesight
Table, Lan Shi ring visual charts.Functionally dividing has near vision test type, distant vision test chart.Visual chart is formulated according to the principle at visual angle.Inspection
Have an eyesight test and be generally divided into two class of distant vision and near vision, distant vision is adopted international standards visual chart more, this table for 14 row sizes not
Formed with different " E " word of opening direction；Measure from 0.1-1.5 (or from 4.0-5.2)；Often row has label, and examinee's regards
Visual chart operating method line will be with 1.0 a line is parallel, apart from 5 meters of visual chart.
In existing more ophthalmology outpatient service, visual chart is all pasted onto the enterprising enforcement of wall and uses, and sometimes needs
Different visual charts is replaced, then there is the crowd of part can carry out visual chart to repeat stickup, be easy to cause wall and glue
Patch very disorderly, be usually required for cleaning wall to keep beautiful, and be pasted onto on wall cannot be by effective profit for visual chart
With, because its position cannot be flexible, it can only allow on defined position and give a test of one's eyesight, and the outer most people of outpatient service is not all known
The ambit of the eyesight in road oneself, also just needs one kind that visual chart can be placed in outside outpatient service, the people for allowing give a test of one's eyesight
Oneself the eyesight of oneself can be tested in advance, so as to allow the eyesight of oneself within to have number.
Therefore there is an urgent need for research and develop a kind of visual chart that can clamp on different positions to be put and can adjust eyesight
The ophthalmology visual chart of table position height cannot clamp visual chart on different positions in the prior art in equipment is put to overcome
The shortcomings that being put and visual chart position height cannot be adjusted.
The content of the invention
(1) technical problems to be solved
The present invention cannot clamp visual chart on different positions and put and not in the prior art in order to overcome
The shortcomings that visual chart position height can be adjusted, the technical problem to be solved in the present invention is to provide it is a kind of can be in different positions
The ophthalmology visual chart that visual chart position height was put and can adjusted to upper clamping visual chart is in put equipment.
(2) technical solution
In order to solve the above technical problem, the present invention provides such a ophthalmology visual chart in equipment is put, include bottom
Seat, supporting mechanism and clamp system, base top are connected with supporting mechanism, clamp system are connected with the top of supporting mechanism.
Preferably, supporting mechanism includes universal wheel, supporting rod, handle, endless glide, the first sliding block and flap, base
Bottom is connected with universal wheel, and base top is connected with supporting rod, is connected with handle on the right side of supporting rod, support bar top is connected with ring
Shape slide, the left and right sides slidingtype is connected with the first sliding block in endless glide, and the first slider top of the left and right sides is connected with
Flap.
Preferably, clamp system includes placement plate, clamping plate, the first spring, pull rod and mobile bar, is connected with the left of flap
Placement plate, placement plate are provided with through hole in both sides up and down, and mobile bar is equipped with through hole, and mobile bar passes through through hole, mobile bar left side
Clamping plate is respectively connected with, clamping plate is close to placement plate, is respectively connected with pull rod on the right side of mobile bar, and the is connected between pull rod and placement plate
One spring, mobile bar pass through the first spring.
Preferably, further included the first slide, rubber strip, the second sliding block, briquetting and the first bull stick, base not with supporting rod
Connection, base top are connected with the first slide, and slidingtype is connected with the second sliding block on the first slide, is connected with front side of the first slide
Rubber strip, the second sliding block right side are connected with supporting rod, and threaded hole is provided with the downside of supporting rod, the first bull stick is equipped with threaded hole, the
The external screw thread coordinated with threaded hole is provided with the outside of one bull stick, the first bull stick passes through threaded hole, briquetting is connected with the left of the first bull stick,
Briquetting is close to rubber strip.
Preferably, annular rubber ring, L-shaped bull stick and second spring have been further included, flap bottom is connected with annular rubber ring,
Rotary type is connected with L-shaped bull stick on the upside of supporting rod, is connected with second spring on the downside of L-shaped bull stick between supporting rod, on L-shaped bull stick
It is close to annular rubber ring side.
Operation principle：When needing using this equipment to clamp visual chart, visual chart can be placed on folder by staff
Clamped in tight mechanism, supporting mechanism can support clamp system, be placed on and regard so that this equipment can carry visual chart
Power detection outside, allows the people that eyesight detects to predict the range of vision of oneself in advance.
Because supporting mechanism includes universal wheel, supporting rod, handle, endless glide, the first sliding block and flap, base bottom
Universal wheel is connected with, base top is connected with supporting rod, is connected with handle on the right side of supporting rod, support bar top is connected with annular cunning
Rail, the left and right sides slidingtype is connected with the first sliding block in endless glide, and the first slider top of the left and right sides is connected with flap,
When needing to allow visual chart to place outdoors or move the position that some is needed, the universal wheel of setting can cause work
Personnel can promote handle to drive supporting rod to be moved, so as to be parked in required position up, and after parking,
Staff can rotate flap to drive clamp system to rotate, so that the visual chart on clamp system can allow multi-angle
Crowd watched.
Because clamp system includes placement plate, clamping plate, the first spring, pull rod and mobile bar, it is connected with and puts on the left of flap
Plate is put, placement plate is provided with through hole in both sides up and down, and mobile bar is equipped with through hole, and mobile bar passes through through hole, and mobile bar left side is
Clamping plate is connected with, clamping plate is close to placement plate, is respectively connected with pull rod on the right side of mobile bar, first is connected between pull rod and placement plate
Spring, through the first spring, it is necessary to when clamping visual chart, staff elder generation pushing drawing rod is moved to the left mobile bar, and first
Spring is then stretched, and clamping plate is also just moved to the left, and the both sides up and down of visual chart then are individually positioned in clamping plate and placement plate again
Between, to place and then unclamped the pull rod in hand, the first spring, which then restores to the original state, drives clamping plate to move right, so that
Clamping plate and placement plate can be tightly clamp visual chart, and clamp the mode of visual chart with regard to without carrying out stickup eyesight on wall
Table, being so conducive to wall will not disorderly be pasted, and also just not have to the thing pasted on cleaning wall.
Further include the first slide, rubber strip, the second sliding block, briquetting and the first bull stick, base not to be connected with supporting rod, bottom
Seat top is connected with the first slide, and slidingtype is connected with the second sliding block on the first slide, and rubber strip is connected with front side of the first slide,
Be connected with supporting rod on the right side of second sliding block, supporting rod downside is provided with threaded hole, and threaded hole is interior to be equipped with the first bull stick, outside the first bull stick
Side is provided with the external screw thread coordinated with threaded hole, and the first bull stick passes through threaded hole, briquetting, briquetting and rubber are connected with the left of the first bull stick
Adhesive tape is close to, and when the people to different heights carries out eyesight detection, staff can rotate the first bull stick and move right,
So that briquetting is not close to rubber strip, then staff can move up and down the height for adjusting supporting rod, and adjusting finishes
And then rotate the first bull stick and be moved to the left, so that briquetting is close to rubber strip, after so allowing for regulating height
Supporting rod will not move up and down easily, so as to stabilize the height of supporting rod.
Because having further included annular rubber ring, L-shaped bull stick and second spring, flap bottom is connected with annular rubber ring, branch
Rotary type is connected with L-shaped bull stick on the upside of strut, and second spring, L-shaped bull stick upside are connected between L-shaped bull stick downside and supporting rod
It is close to annular rubber ring, when needing to rotate flap, user of service can rotate clockwise L-shaped bull stick, so that L-shaped bull stick
Upside will not be close to annular rubber ring, and second spring is compressed, so that it may rotate flap and adjust to required angle, adjusted
And then L-shaped bull stick is unclamped, second spring then restores to the original state so that annular rubber ring is close in L-shaped bull stick upside, and flap is also
It cannot easily rotate, be rotated so as to be conducive to visual chart and will not easily be blown and be caused the visual chart clamped by wind.
(3) beneficial effect
Invention achieves can clamp visual chart on different positions to be put and can adjust eyesight epitope
The effect of height is put, the universal wheel of setting can allow staff to promote handle to drive supporting rod to be moved, so that
It is parked in required position up, and after parking, staff can rotate flap to drive clamp system to rotate,
So that the visual chart on clamp system can allow the crowd of multi-angle to be watched, by way of clamping visual chart just not
With stickup visual chart is carried out on wall, being so conducive to wall will not disorderly be pasted, and also just not have to what is pasted on cleaning wall
Thing, and can also adjust supporting rod and move up and down, the position height of visual chart so can be also adjusted, is conducive to different bodies
High people carries out eyesight detection.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is second of main structure diagram of the present invention.
Fig. 3 is the third main structure diagram of the present invention.
Mark in attached drawing for：1- bases, 2- supporting mechanisms, 21- universal wheels, 22- supporting rods, 23- handles, 24- annulars
Slide, the first sliding blocks of 25-, 26- flaps, 3- clamp systems, 31- placement plates, 32- through holes, 33- clamping plates, the first springs of 34-, 35-
Pull rod, 36- mobile bars, the first slides of 4-, 5- rubber strips, the second sliding blocks of 6-, 7- briquettings, 8- threaded holes, the first bull sticks of 9-, 10-
Annular rubber ring, 11-L shape bull sticks, 12- second springs.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of ophthalmology visual chart as shown in Figs. 1-3, includes base 1, supporting mechanism 2 and clamp system 3 in equipment is put,
The top of base 1 is connected with supporting mechanism 2, and the top of supporting mechanism 2 is connected with clamp system 3.
Embodiment 2
A kind of ophthalmology visual chart as shown in Figs. 1-3, includes base 1, supporting mechanism 2 and clamp system 3 in equipment is put,
The top of base 1 is connected with supporting mechanism 2, and the top of supporting mechanism 2 is connected with clamp system 3.
Supporting mechanism 2 includes universal wheel 21, supporting rod 22, handle 23, endless glide 24, the first sliding block 25 and flap
26,1 bottom of base is connected with universal wheel 21, and the top of base 1 is connected with supporting rod 22, and the right side of supporting rod 22 is connected with handle 23,
The top of supporting rod 22 is connected with endless glide 24, and the left and right sides slidingtype is connected with the first sliding block 25 in endless glide 24, left
The top of the first sliding block 25 of right both sides is connected with flap 26.
Embodiment 3
A kind of ophthalmology visual chart as shown in Figs. 1-3, includes base 1, supporting mechanism 2 and clamp system 3 in equipment is put,
The top of base 1 is connected with supporting mechanism 2, and the top of supporting mechanism 2 is connected with clamp system 3.
Supporting mechanism 2 includes universal wheel 21, supporting rod 22, handle 23, endless glide 24, the first sliding block 25 and flap
26,1 bottom of base is connected with universal wheel 21, and the top of base 1 is connected with supporting rod 22, and the right side of supporting rod 22 is connected with handle 23,
The top of supporting rod 22 is connected with endless glide 24, and the left and right sides slidingtype is connected with the first sliding block 25 in endless glide 24, left
The top of the first sliding block 25 of right both sides is connected with flap 26.
Clamp system 3 includes placement plate 31, clamping plate 33, the first spring 34, pull rod 35 and mobile bar 36, the left side of flap 26
Placement plate 31 is connected with, placement plate is provided with through hole 32 in both sides about 31, mobile bar 36 is equipped with through hole 32, and mobile bar 36 is worn
Through hole 32 is crossed, the left side of mobile bar 36 is respectively connected with clamping plate 33, and clamping plate 33 is close to placement plate 31, and the right side of mobile bar 36 is respectively connected with
Pull rod 35, is connected with the first spring 34 between pull rod 35 and placement plate 31, mobile bar 36 passes through the first spring 34.
Embodiment 4
A kind of ophthalmology visual chart as shown in Figs. 1-3, includes base 1, supporting mechanism 2 and clamp system 3 in equipment is put,
The top of base 1 is connected with supporting mechanism 2, and the top of supporting mechanism 2 is connected with clamp system 3.
Supporting mechanism 2 includes universal wheel 21, supporting rod 22, handle 23, endless glide 24, the first sliding block 25 and flap
26,1 bottom of base is connected with universal wheel 21, and the top of base 1 is connected with supporting rod 22, and the right side of supporting rod 22 is connected with handle 23,
The top of supporting rod 22 is connected with endless glide 24, and the left and right sides slidingtype is connected with the first sliding block 25 in endless glide 24, left
The top of the first sliding block 25 of right both sides is connected with flap 26.
Clamp system 3 includes placement plate 31, clamping plate 33, the first spring 34, pull rod 35 and mobile bar 36, the left side of flap 26
Placement plate 31 is connected with, placement plate is provided with through hole 32 in both sides about 31, mobile bar 36 is equipped with through hole 32, and mobile bar 36 is worn
Through hole 32 is crossed, the left side of mobile bar 36 is respectively connected with clamping plate 33, and clamping plate 33 is close to placement plate 31, and the right side of mobile bar 36 is respectively connected with
Pull rod 35, is connected with the first spring 34 between pull rod 35 and placement plate 31, mobile bar 36 passes through the first spring 34.
Further included the first slide 4, rubber strip 5, the second sliding block 6,7 and first bull stick 9 of briquetting, base 1 not with supporting rod
22 connections, the top of base 1 are connected with the first slide 4, and slidingtype is connected with the second sliding block 6 on the first slide 4, before the first slide 4
Side is connected with rubber strip 5, and the right side of the second sliding block 6 is connected with supporting rod 22, is provided with threaded hole 8 on the downside of supporting rod 22, in threaded hole 8
Equipped with the first bull stick 9, the outside of the first bull stick 9 is provided with the external screw thread coordinated with threaded hole 8, and the first bull stick 9 passes through threaded hole 8, the
The left side of one bull stick 9 is connected with briquetting 7, and briquetting 7 is close to rubber strip 5.
Annular rubber ring 10, L-shaped bull stick 11 and second spring 12 are further included, 26 bottom of flap is connected with annular rubber ring
10,22 upside rotary type of supporting rod is connected with L-shaped bull stick 11, and the second bullet is connected between the downside of L-shaped bull stick 11 and supporting rod 22
Spring 12, the upside of L-shaped bull stick 11 are close to annular rubber ring 10.
Operation principle：When needing using this equipment to clamp visual chart, visual chart can be placed on folder by staff
Clamped in tight mechanism 3, supporting mechanism 2 can support clamp system 3, be placed on so that this equipment can carry visual chart
Eyesight detection outside, allows the people that eyesight detects to predict the range of vision of oneself in advance.
Because supporting mechanism 2 includes universal wheel 21, supporting rod 22, handle 23, endless glide 24, the first sliding block 25 and turns
Plate 26,1 bottom of base are connected with universal wheel 21, and the top of base 1 is connected with supporting rod 22, and the right side of supporting rod 22 is connected with handle
23, the top of supporting rod 22 is connected with endless glide 24, and the left and right sides slidingtype is connected with the first sliding block 25 in endless glide 24,
The top of the first sliding block 25 of the left and right sides is connected with flap 26, is placed outdoors or some mobile needs when needing to allow visual chart
Position when, the universal wheel 21 of setting can allow staff to promote handle 23 to drive supporting rod 22 to be moved
Dynamic, so as to be parked in required position up, and after parking, staff can rotate flap 26 and be clamped to drive
Mechanism 3 rotates, so that the visual chart on clamp system 3 can allow the crowd of multi-angle to be watched.
Because clamp system 3 includes placement plate 31, clamping plate 33, the first spring 34, pull rod 35 and mobile bar 36, flap 26
Left side is connected with placement plate 31, and placement plate is provided with through hole 32 in both sides about 31, mobile bar 36, mobile bar are equipped with through hole 32
36 pass through through hole 32, and the left side of mobile bar 36 is respectively connected with clamping plate 33, and clamping plate 33 is close to placement plate 31, and the right side of mobile bar 36 connects
Pull rod 35 is connected to, the first spring 34 is connected between pull rod 35 and placement plate 31, mobile bar 36 is through the first spring 34, it is necessary to press from both sides
Firmly when visual chart, staff elder generation pushing drawing rod 35 is moved to the left, and the first spring 34 is then stretched, and clamping plate 33 is also just to the left
It is mobile, then the both sides up and down of visual chart are individually positioned between clamping plate 33 and placement plate 31 again, has placed and then has unclamped
Pull rod 35 in hand, the first spring 34, which then restores to the original state, drives clamping plate 33 to move right, so that clamping plate 33 and placement plate 31
Can be tightly clamp visual chart, and clamp visual chart mode just do not have to stickup visual chart is carried out on wall, it is so favourable
It will not disorderly be pasted in wall, also just do not had to the thing pasted on cleaning wall.
Further included the first slide 4, rubber strip 5, the second sliding block 6,7 and first bull stick 9 of briquetting, base 1 not with supporting rod
22 connections, the top of base 1 are connected with the first slide 4, and slidingtype is connected with the second sliding block 6 on the first slide 4, before the first slide 4
Side is connected with rubber strip 5, and the right side of the second sliding block 6 is connected with supporting rod 22, is provided with threaded hole 8 on the downside of supporting rod 22, in threaded hole 8
Equipped with the first bull stick 9, the outside of the first bull stick 9 is provided with the external screw thread coordinated with threaded hole 8, and the first bull stick 9 passes through threaded hole 8, the
The left side of one bull stick 9 is connected with briquetting 7, and briquetting 7 is close to rubber strip 5, when the people to different heights carries out eyesight detection,
Staff can rotate the first bull stick 9 and move right, so that briquetting 7 is not close to rubber strip 5, then staff can
To move up and down the height for adjusting supporting rod 22, adjusting finishes and then rotates the first bull stick 9 and is moved to the left, so that pressure
Block 7 is close to rubber strip 5, and so allowing for regulating the supporting rod 22 after height will not move up and down easily, so as to stablize
The height of supporting rod 22.
Because having further included annular rubber ring 10, L-shaped bull stick 11 and second spring 12,26 bottom of flap is connected with annular rubber
Cushion rubber 10,22 upside rotary type of supporting rod are connected with L-shaped bull stick 11, and the is connected between the downside of L-shaped bull stick 11 and supporting rod 22
Two springs 12, the upside of L-shaped bull stick 11 are close to annular rubber ring 10, and when needing to rotate flap 26, user of service can be clockwise
L-shaped bull stick 11 is rotated, so that the upside of L-shaped bull stick 11 will not be close to annular rubber ring 10, and second spring 12 is compressed, just
Rotatable flap 26, which is adjusted, arrives required angle, has adjusted and then has unclamped L-shaped bull stick 11, and second spring 12 then recovers former
Shape causes the upside of L-shaped bull stick 11 to be close to annular rubber ring 10, and flap 26 also cannot be rotated easily, so as to be conducive to eyesight
Table will not easily be blown and be caused the visual chart clamped by wind and rotate.
Embodiment described above only expresses the preferred embodiment of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention 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, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (5)
1. a kind of ophthalmology visual chart is in put equipment, it is characterised in that includes base (1), supporting mechanism (2) and clamp system
(3), supporting mechanism (2) is connected with the top of base (1), clamp system (3) is connected with the top of supporting mechanism (2).
2. a kind of ophthalmology visual chart according to claim 1 is in put equipment, it is characterised in that supporting mechanism (2) includes
Universal wheel (21), supporting rod (22), handle (23), endless glide (24), the first sliding block (25) and flap (26), base (1) bottom
Portion is connected with universal wheel (21), and supporting rod (22) is connected with the top of base (1), handle (23) is connected with the right side of supporting rod (22),
Endless glide (24) is connected with the top of supporting rod (22), the left and right sides slidingtype is connected with the first sliding block in endless glide (24)
(25), it is connected with flap (26) at the top of the first sliding block (25) of the left and right sides.
3. a kind of ophthalmology visual chart according to claim 2 is in put equipment, it is characterised in that clamp system (3) includes
Placement plate (31), clamping plate (33), the first spring (34), pull rod (35) and mobile bar (36), flap (26) left side are connected with placement
Plate (31), both sides are provided with through hole (32) to placement plate (31) up and down, and mobile bar (36), mobile bar (36) are equipped with through hole (32)
Through through hole (32), clamping plate (33) is respectively connected with the left of mobile bar (36), clamping plate (33) is close to placement plate (31), mobile bar
(36) right side is respectively connected with pull rod (35), and the first spring (34), mobile bar are connected between pull rod (35) and placement plate (31)
(36) the first spring (34) is passed through.
4. a kind of ophthalmology visual chart according to claim 3 is in put equipment, it is characterised in that has further included the first slide
(4), rubber strip (5), the second sliding block (6), briquetting (7) and the first bull stick (9), base (1) are not connected with supporting rod (22), base
(1) top is connected with the first slide (4), and slidingtype is connected with the second sliding block (6), the first slide (4) front side on the first slide (4)
Rubber strip (5) is connected with, is connected on the right side of the second sliding block (6) with supporting rod (22), threaded hole (8) is provided with the downside of supporting rod (22),
The first bull stick (9) is equipped with threaded hole (8), the first bull stick (9) outside is provided with and the external screw thread of threaded hole (8) cooperation, first turn
Bar (9) passes through threaded hole (8), is connected with briquetting (7) on the left of the first bull stick (9), briquetting (7) is close to rubber strip (5).
5. a kind of ophthalmology visual chart according to claim 4 is in put equipment, it is characterised in that has further included annular rubber ring
(10), L-shaped bull stick (11) and second spring (12), flap (26) bottom are connected with annular rubber ring (10), on supporting rod (22)
Side rotary type is connected with L-shaped bull stick (11), and second spring (12), L are connected between supporting rod (22) on the downside of L-shaped bull stick (11)
It is close on the upside of shape bull stick (11) with annular rubber ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203731.6A CN107951462A (en) | 2017-11-27 | 2017-11-27 | A kind of ophthalmology visual chart is in put equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203731.6A CN107951462A (en) | 2017-11-27 | 2017-11-27 | A kind of ophthalmology visual chart is in put equipment |
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| Publication Number | Publication Date |
|---|---|
| CN107951462A true CN107951462A (en) | 2018-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711203731.6A Pending CN107951462A (en) | 2017-11-27 | 2017-11-27 | A kind of ophthalmology visual chart is in put equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480758A (en) * | 2018-12-27 | 2019-03-19 | 秦洪珍 | The movable visual chart of ophthalmology |
| CN109907728A (en) * | 2019-04-11 | 2019-06-21 | 梁恩惠 | A kind of sight test means and method |
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| US1496681A (en) * | 1923-05-19 | 1924-06-03 | Slaughter Mary Gertrude | Portable eye-testing-chart holder |
| US5596378A (en) * | 1994-01-12 | 1997-01-21 | Kelman; Charles D. | Lens selection system |
| CN204446524U (en) * | 2015-01-29 | 2015-07-08 | 贵阳医学院 | Eye training aids is moved in a kind of portable read-write |
| CN205083446U (en) * | 2015-11-12 | 2016-03-16 | 章玲 | Eyesight testing arrangement with adjustable ophthalmic therapy |
| CN206365878U (en) * | 2016-10-09 | 2017-08-01 | 黄兴富 | A kind of lift visual testing chart |
| CN206482554U (en) * | 2016-11-02 | 2017-09-12 | 吴延东 | A kind of simple vision correction tester |
| CN106495061A (en) * | 2016-11-23 | 2017-03-15 | 无锡市伟丰印刷机械厂 | Stable lifting device for steel structure machining |
| CN107390372A (en) * | 2017-08-02 | 2017-11-24 | 史志成 | A kind of image department is adjustable to see sheet devices |
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| CN109480758A (en) * | 2018-12-27 | 2019-03-19 | 秦洪珍 | The movable visual chart of ophthalmology |
| CN109480758B (en) * | 2018-12-27 | 2021-08-10 | 秦洪珍 | Movable visual acuity chart for ophthalmology |
| CN109907728A (en) * | 2019-04-11 | 2019-06-21 | 梁恩惠 | A kind of sight test means and method |
| CN109907728B (en) * | 2019-04-11 | 2022-07-26 | 梁恩惠 | Vision testing device and method |
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Application publication date: 20180424 |