CN108742503A - A kind of movable visual chart of ophthalmic - Google Patents
A kind of movable visual chart of ophthalmic Download PDFInfo
- Publication number
- CN108742503A CN108742503A CN201810579844.4A CN201810579844A CN108742503A CN 108742503 A CN108742503 A CN 108742503A CN 201810579844 A CN201810579844 A CN 201810579844A CN 108742503 A CN108742503 A CN 108742503A
- Authority
- CN
- China
- Prior art keywords
- mounting plate
- block
- spring
- electronic reel
- guide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000007 visual effect Effects 0.000 title claims abstract description 59
- 230000003028 elevating effect Effects 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 230000004438 eyesight Effects 0.000 abstract description 23
- 238000005259 measurement Methods 0.000 abstract description 19
- 239000000428 dust Substances 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 6
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 5
- 208000010412 Glaucoma Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 208000002177 Cataract Diseases 0.000 description 1
- 206010061323 Optic neuropathy Diseases 0.000 description 1
- 208000017442 Retinal disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 208000020911 optic nerve disease Diseases 0.000 description 1
Classifications
-
- 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
Landscapes
- 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)
- Rehabilitation Tools (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The present invention relates to a kind of visual chart more particularly to a kind of movable visual charts of ophthalmic.The present invention technical problem be：A kind of movable visual chart of the ophthalmic that can be reduced visual chart superficial dust, can improve measurement accuracy is provided.A kind of movable visual chart of ophthalmic includes the first electronic reel, the first drawstring, mounting plate, sliding rail, the first sliding block, fixed block, scissors type elevating frame etc.；First electronic reel is installed on ceiling, the first drawstring is wound on the first electronic reel, the end of the first drawstring is connected with mounting plate, and the left and right sides at the top of mounting plate is respectively connected with sliding rail, and sliding rail is equipped with the first sliding block.The mounting plate of the present invention can make visual chart be in horizontality, so prevent dust from largely falling on visual chart, visual chart superficial dust can be tentatively reduced by framework, and it is forced air into framework by escape pipe, and be sprayed on visual chart and the dust on visual chart can be blown away, it can so facilitate carry out eyesight measurement.
Description
Technical field
The present invention relates to a kind of visual chart more particularly to a kind of movable visual charts of ophthalmic.
Background technology
The full name of ophthalmology is " eye disease training ", is that research is happened at 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 mostly uses international standard visual chart, this table be 14 row sizes not
It is formed with different " E " word of opening direction；When measuring eyesight, need apart from 5 meters of visual chart.
Visual chart is the common eyesight measurement tool of ophthalmology, is typically mounted on wall, the time has grown visual chart surface
Dust or foreign matter can be speckled with, can so cause the word on visual chart not see Chu, and then it is accurate to influence gauger's eyesight measurement
Property, such medical staff can often wipe visual chart, but often being wiped to visual chart can be by the word on visual chart
It wipes, to which the writing on visual chart can be made unintelligible, still can so reduce the accuracy of eyesight measurement.
Therefore there is an urgent need for research and develop a kind of movable eyesight that can be reduced visual chart superficial dust, can improve measurement accuracy
Table.
Invention content
Medical staff is needed often to be wiped to visual chart in order to overcome, can wipe the word on visual chart leads to writing
Unintelligible, the shortcomings that reducing the accuracy of eyesight measurement, technical problem of the invention is：Visual chart can be reduced by providing one kind
The movable visual chart of superficial dust, the ophthalmic that measurement accuracy can be improved.
A kind of movable visual chart of ophthalmic includes the first electronic reel, the first drawstring, mounting plate, sliding rail, first
It is sliding block, fixed block, scissors type elevating frame, the second sliding block, support plate, oscillating deck, the first spring, display board, connecting plate, second electronic
Reel and the second drawstring are equipped with the first electronic reel on ceiling, the first drawstring are wound on the first electronic reel, and
The end of one drawstring is connected with mounting plate, and the left and right sides at the top of mounting plate is respectively connected with sliding rail, and sliding rail is equipped with the first sliding block,
The left and right sides at the top of mounting plate is respectively connected with fixed block, and two sliding rails are located between two fixed blocks, the front side of the first sliding block
The one end in face and scissors type elevating frame bottom is articulated and connected, and the leading flank of fixed block is cut with scissors with the other end of scissors type elevating frame bottom
It connects in succession, sliding slot is provided on the ceiling at left and right sides of the first electronic reel, the second sliding block, the second sliding block are equipped in sliding slot
One end of leading flank and scissors type elevating top of the trellis be articulated and connected, the other end and ceiling of scissors type elevating top of the trellis are hinged
It connects, is connected with support plate on the left of mounting plate bottom, the lower hinge of support plate leading flank is connected with oscillating deck, the top of oscillating deck
The first spring is connected between the bottom of mounting plate, the right side of oscillating deck is connected with display board, the left side of oscillating deck bottom
It is connected with connecting plate, the mounting plate bottom of support plate left is equipped with the second electronic reel, and the second electronic reel is equipped with the
The end of two drawstrings, the second drawstring is connect with the lower part of connecting plate left side.
It further illustrates, further includes having first sleeve, the first guide rod, block, second spring, contact wheel and switch, support plate
The mounting plate bottom in left side is connected with first sleeve, is equipped with the first guide rod in first sleeve, the lower part of the first guide rod is connected with gear
Block, the first guide rod are equipped with second spring, and the bottom of the top of second spring and first sleeve connects, the bottom end of second spring with
The top of block connects, and the bottom end rotary type of the first guide rod is connected with contact wheel, and the mounting plate bottom on the left of support plate is equipped with out
It closes, switch is located in first sleeve, passes through connection between switch and the second electronic reel.
It further illustrates, further includes having third spring, framework, the second casing, the second guide rod and rubber block, mounting plate bottom
Right side connection there are two third spring, be connected with framework between the bottom end of two third springs, mounting plate connects on the right side of bottom
It connecing there are two the second casing, two third springs are located between two the second casings, are equipped with the second guide rod in the second casing, and second
The bottom end of guide rod and the top of framework connect, and are respectively connected with rubber block at left and right sides of the top in framework, the bottom of rubber block with
The top of display board contacts, and the left side of framework is provided with opening, and oscillating deck is located in opening.
It further illustrates, further includes having air pump, air inlet pipe and an air outlet pipe, pacify on the ceiling on the right side of the first electronic reel
Equipped with air pump, air inlet pipe and an air outlet pipe is connected on air pump, the end of escape pipe is passed through in framework.
It further illustrates, further includes having strut, magnet and iron block, branch is connected at the top of the oscillating deck on the right side of the first spring
The top of bar, strut is connected with magnet, and the mounting plate bottom on the right side of the first spring is connected with iron block, magnet and iron block cooperation.
It is stained with visual chart at the top of display board, when needing to measure eyesight, first manually starts the first electronic coiling
Wheel releases the first drawstring can be such that mounting plate moves down under the action of mounting plate gravity, when mounting plate is moved downward to conjunction
Right position postpones, artificial to close the first electronic reel.It then manually starts the second electronic reel and withdraws the second drawstring, such energy
Enough connecting plate is set to be swung to upper left side by the second drawstring, connecting plate is swung to upper left side drives oscillating deck lower section swing to the left,
First spring is upheld therewith, and oscillating deck lower section swing to the left drives display board, and lower section is swung to the left, when display board to the left put by lower section
It is artificial to close the second electronic reel when moving in vertical state, it so can easily carry out eyesight measurement.Work as eyesight measurement
After the completion, it manually starts the second electronic reel and releases the second drawstring, display board can be made under the action of the first spring force
It swings and resets to upper right side, it is artificial to close the second electronic reel after display board is swung to upper right side to be resetted, then manually open
Dynamic first electronic reel withdraws the first drawstring, so mounting plate can be made to move up reset, when mounting plate moves up again
It is artificial to close the first electronic reel behind position, so as to reduce the occupancy in space.Scissors type elevating frame can make mounting plate suitable
Smooth moves up and down, and prevents mounting plate from shaking or tilting.
Because further including having first sleeve, the first guide rod, block, second spring, contact wheel and switch, the peace on the left of support plate
Loading board bottom is connected with first sleeve, is equipped with the first guide rod in first sleeve, the lower part of the first guide rod is connected with block, and first leads
Bar is equipped with second spring, and the top of second spring and the bottom of first sleeve connect, the bottom end of second spring and the top of block
Portion connects, and the bottom end rotary type of the first guide rod is connected with contact wheel, and the mounting plate bottom on the left of support plate is equipped with switch, switchs position
In in first sleeve, pass through connection between switch and the second electronic reel.When connecting plate swings and contacts to upper left side
When wheel contact, connecting plate continues to swing to upper left side, and contact wheel moves up therewith, and contact wheel, which moves up, drives the first guide rod
It moves up, the first guide rod, which moves up, to drive block to move up, and second spring is compressed therewith, when the first guide rod is upward
When mobile and switch contact, switch closes the second electronic reel, can so prevent connecting plate from swinging position to upper left side,
So as to making visual chart be in vertical state, improve measurement effect, when manually start the second electronic reel make connecting plate to
Lower right swing reset when, contact wheel can be made to move down reset under the action of second spring elastic force, when connecting plate to the right
It is artificial to close the second electronic reel after lower section swings reset.
Because further including having third spring, framework, the second casing, the second guide rod and rubber block, the right side of mounting plate bottom
Connection is connected with framework, mounting plate is connected with two on the right side of bottom there are two third spring between the bottom end of two third springs
A second casing, two third springs are located between two the second casings, and the second guide rod is equipped in the second casing, the second guide rod
Bottom end and the top of framework connect, and rubber block, the bottom of rubber block and display board are respectively connected at left and right sides of the top in framework
Top contact, the left side of framework is provided with opening, oscillating deck is located at be open in.Third spring plays a supportive role, the second casing
It play the guiding role with the second guide rod, rubber block can increase frictional force, and when display board is located in framework, framework can be blocked greatly
Partial dust so can tentatively reduce visual chart superficial dust, so as to improve the accuracy of eyesight measurement.
Because further including having air pump, air inlet pipe and an air outlet pipe, gas is installed on the ceiling on the right side of the first electronic reel
It pumps, is connected with air inlet pipe and an air outlet pipe on air pump, the end of escape pipe is passed through in framework.When the top collection of display board has dust
When, manually starting air pump makes air inlet pipe draw extraneous air, is then forced air into framework by escape pipe, such as
This can blow away the dust on visual chart, so as to be further reduced visual chart superficial dust, can further improve
Measurement accuracy.
Because further including having strut, magnet and iron block, it is connected with strut at the top of the oscillating deck on the right side of the first spring, strut
Top is connected with magnet, and the mounting plate bottom on the right side of the first spring is connected with iron block, magnet and iron block cooperation.Pass through magnet and iron
Oscillating deck can be fixed in block cooperation, can so reinforce the fixation of display board, so as to prevent the bullet of the first spring
Power is insufficient, and display board is caused to injure people by a crashing object to lower swing.
Beneficial effects of the present invention are：The mounting plate of the present invention can make visual chart be in horizontality, so prevent ash
Dirt is largely fallen on visual chart, can tentatively reduce visual chart superficial dust by framework, and force air by escape pipe
It in framework, and is sprayed on visual chart and the dust on visual chart can be blown away, can so facilitate carry out eyesight measurement.
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 enlarged structure schematic diagram of first sleeve of the present invention.
Fig. 4 is the third main structure diagram of the present invention.
Fig. 5 is the 4th kind of main structure diagram of the present invention.
Fig. 6 is the 5th kind of main structure diagram of the present invention.
In the figures above：1：Ceiling, 2：First electronic reel, 3：First drawstring, 4：Mounting plate, 5：Sliding rail, 6：The
One sliding block, 7：Fixed block, 8：Scissors type elevating frame, 9：Sliding slot, 10：Second sliding block, 11：Support plate, 12：Oscillating deck, 13：First bullet
Spring, 14：Display board, 15：Connecting plate, 16：Second electronic reel, 17：Second drawstring, 18：First sleeve, 19：First guide rod,
20：Block, 21：Second spring, 22：Contact wheel, 23：Switch, 24：Third spring, 25：Framework, 26：Second casing, 27：Second
Guide rod, 28：Rubber block, 29：Opening, 30：Air pump, 31：Air inlet pipe, 32：Escape pipe, 33：Strut, 34：Magnet, 35：Iron block.
Specific implementation mode
It is described more fully hereinafter with the present invention now with reference to attached drawing, the invention is shown in the accompanying drawings presently preferably
Embodiment.However, the present invention can be embodied in many different forms, and should not be construed as limited to described here
Embodiment；But these embodiments are provided for penetrability and integrality, and these embodiments will be of the invention
Range be fully conveyed to technical staff.
Embodiment 1
A kind of movable visual chart of ophthalmic includes as shown in figures 1 to 6 the first electronic reel 2, the first drawstring 3, mounting plate
4, sliding rail 5, the first sliding block 6, fixed block 7, scissors type elevating frame 8, the second sliding block 10, support plate 11, oscillating deck 12, the first spring
13, display board 14, connecting plate 15, the second electronic reel 16 and the second drawstring 17 are equipped with the first electronic coiling on ceiling 1
2 are taken turns, the first drawstring 3 is wound on the first electronic reel 2, the end of the first drawstring 3 is connected with mounting plate 4,4 top of mounting plate
The left and right sides is respectively connected with sliding rail 5, and sliding rail 5 is equipped with the first sliding block 6, and the left and right sides at 4 top of mounting plate is respectively connected with fixation
Block 7, two sliding rails 5 are located between two fixed blocks 7, and the leading flank of the first sliding block 6 is cut with scissors with one end of 8 bottom of scissors type elevating frame
It connects in succession, the leading flank of fixed block 7 is articulated and connected with the other end of 8 bottom of scissors type elevating frame, the first electronic reel 2 or so
It is provided with sliding slot 9 on the ceiling 1 of both sides, the second sliding block 10, leading flank and the scissor-type liter of the second sliding block 10 are equipped in sliding slot 9
One end articulated connection at 8 top of frame is dropped, and the other end at 8 top of scissors type elevating frame is articulated and connected with ceiling 1,4 bottom of mounting plate
Support plate 11 is connected on the left of portion, the lower hinge of 11 leading flank of support plate is connected with oscillating deck 12, the top of oscillating deck 12 and peace
The first spring 13 is connected between the bottom of loading board 4, the right side of oscillating deck 12 is connected with display board 14,12 bottom of oscillating deck
Left side is connected with connecting plate 15, and 4 bottom of mounting plate of 11 left of support plate is equipped with the second electronic reel 16, the second electronic coiling
Wheel 16 is equipped with the second drawstring 17, and the end of the second drawstring 17 is connect with the lower part of 15 left side of connecting plate.
Embodiment 2
A kind of movable visual chart of ophthalmic includes as shown in figures 1 to 6 the first electronic reel 2, the first drawstring 3, mounting plate
4, sliding rail 5, the first sliding block 6, fixed block 7, scissors type elevating frame 8, the second sliding block 10, support plate 11, oscillating deck 12, the first spring
13, display board 14, connecting plate 15, the second electronic reel 16 and the second drawstring 17 are equipped with the first electronic coiling on ceiling 1
2 are taken turns, the first drawstring 3 is wound on the first electronic reel 2, the end of the first drawstring 3 is connected with mounting plate 4,4 top of mounting plate
The left and right sides is respectively connected with sliding rail 5, and sliding rail 5 is equipped with the first sliding block 6, and the left and right sides at 4 top of mounting plate is respectively connected with fixation
Block 7, two sliding rails 5 are located between two fixed blocks 7, and the leading flank of the first sliding block 6 is cut with scissors with one end of 8 bottom of scissors type elevating frame
It connects in succession, the leading flank of fixed block 7 is articulated and connected with the other end of 8 bottom of scissors type elevating frame, the first electronic reel 2 or so
It is provided with sliding slot 9 on the ceiling 1 of both sides, the second sliding block 10, leading flank and the scissor-type liter of the second sliding block 10 are equipped in sliding slot 9
One end articulated connection at 8 top of frame is dropped, and the other end at 8 top of scissors type elevating frame is articulated and connected with ceiling 1,4 bottom of mounting plate
Support plate 11 is connected on the left of portion, the lower hinge of 11 leading flank of support plate is connected with oscillating deck 12, the top of oscillating deck 12 and peace
The first spring 13 is connected between the bottom of loading board 4, the right side of oscillating deck 12 is connected with display board 14,12 bottom of oscillating deck
Left side is connected with connecting plate 15, and 4 bottom of mounting plate of 11 left of support plate is equipped with the second electronic reel 16, the second electronic coiling
Wheel 16 is equipped with the second drawstring 17, and the end of the second drawstring 17 is connect with the lower part of 15 left side of connecting plate.
Further include having first sleeve 18, the first guide rod 19, block 20, second spring 21, contact wheel 22 and switch 23, support plate
4 bottom of mounting plate in 11 left sides is connected with first sleeve 18, is equipped with the first guide rod 19 in first sleeve 18, under the first guide rod 19
Portion is connected with block 20, and the first guide rod 19 is equipped with second spring 21, the bottom on the top and first sleeve 18 of second spring 21
Connection, the bottom end of second spring 21 are connect with the top of block 20, and the bottom end rotary type of the first guide rod 19 is connected with contact wheel 22,
4 bottom of mounting plate in the left side of support plate 11 is equipped with switch 23, and switch 23 is located in first sleeve 18, switch 23 and second it is electronic around
Pass through connection between line wheel 16.
Embodiment 3
A kind of movable visual chart of ophthalmic includes as shown in figures 1 to 6 the first electronic reel 2, the first drawstring 3, mounting plate
4, sliding rail 5, the first sliding block 6, fixed block 7, scissors type elevating frame 8, the second sliding block 10, support plate 11, oscillating deck 12, the first spring
13, display board 14, connecting plate 15, the second electronic reel 16 and the second drawstring 17 are equipped with the first electronic coiling on ceiling 1
2 are taken turns, the first drawstring 3 is wound on the first electronic reel 2, the end of the first drawstring 3 is connected with mounting plate 4,4 top of mounting plate
The left and right sides is respectively connected with sliding rail 5, and sliding rail 5 is equipped with the first sliding block 6, and the left and right sides at 4 top of mounting plate is respectively connected with fixation
Block 7, two sliding rails 5 are located between two fixed blocks 7, and the leading flank of the first sliding block 6 is cut with scissors with one end of 8 bottom of scissors type elevating frame
It connects in succession, the leading flank of fixed block 7 is articulated and connected with the other end of 8 bottom of scissors type elevating frame, the first electronic reel 2 or so
It is provided with sliding slot 9 on the ceiling 1 of both sides, the second sliding block 10, leading flank and the scissor-type liter of the second sliding block 10 are equipped in sliding slot 9
One end articulated connection at 8 top of frame is dropped, and the other end at 8 top of scissors type elevating frame is articulated and connected with ceiling 1,4 bottom of mounting plate
Support plate 11 is connected on the left of portion, the lower hinge of 11 leading flank of support plate is connected with oscillating deck 12, the top of oscillating deck 12 and peace
The first spring 13 is connected between the bottom of loading board 4, the right side of oscillating deck 12 is connected with display board 14,12 bottom of oscillating deck
Left side is connected with connecting plate 15, and 4 bottom of mounting plate of 11 left of support plate is equipped with the second electronic reel 16, the second electronic coiling
Wheel 16 is equipped with the second drawstring 17, and the end of the second drawstring 17 is connect with the lower part of 15 left side of connecting plate.
Further include having first sleeve 18, the first guide rod 19, block 20, second spring 21, contact wheel 22 and switch 23, support plate
4 bottom of mounting plate in 11 left sides is connected with first sleeve 18, is equipped with the first guide rod 19 in first sleeve 18, under the first guide rod 19
Portion is connected with block 20, and the first guide rod 19 is equipped with second spring 21, the bottom on the top and first sleeve 18 of second spring 21
Connection, the bottom end of second spring 21 are connect with the top of block 20, and the bottom end rotary type of the first guide rod 19 is connected with contact wheel 22,
4 bottom of mounting plate in the left side of support plate 11 is equipped with switch 23, and switch 23 is located in first sleeve 18, switch 23 and second it is electronic around
Pass through connection between line wheel 16.
Further include having third spring 24, framework 25, the second casing 26, the second guide rod 27 and rubber block 28,4 bottom of mounting plate
Right side connection there are two third spring 24, be connected with framework 25 between the bottom end of two third springs 24,4 bottom of mounting plate
There are two the second casing 26, two third springs 24 to be located between two the second casings 26, be set in the second casing 26 for right side connection
There are the second guide rod 27, the bottom end of the second guide rod 27 to be connect with the top of framework 25, is all connected at left and right sides of the top in framework 25
There are rubber block 28, the bottom of rubber block 28 to be contacted with the top of display board 14, the left side of framework 25 is provided with opening 29, oscillating deck
12 are located in opening 29.
Embodiment 4
A kind of movable visual chart of ophthalmic includes as shown in figures 1 to 6 the first electronic reel 2, the first drawstring 3, mounting plate
4, sliding rail 5, the first sliding block 6, fixed block 7, scissors type elevating frame 8, the second sliding block 10, support plate 11, oscillating deck 12, the first spring
13, display board 14, connecting plate 15, the second electronic reel 16 and the second drawstring 17 are equipped with the first electronic coiling on ceiling 1
2 are taken turns, the first drawstring 3 is wound on the first electronic reel 2, the end of the first drawstring 3 is connected with mounting plate 4,4 top of mounting plate
The left and right sides is respectively connected with sliding rail 5, and sliding rail 5 is equipped with the first sliding block 6, and the left and right sides at 4 top of mounting plate is respectively connected with fixation
Block 7, two sliding rails 5 are located between two fixed blocks 7, and the leading flank of the first sliding block 6 is cut with scissors with one end of 8 bottom of scissors type elevating frame
It connects in succession, the leading flank of fixed block 7 is articulated and connected with the other end of 8 bottom of scissors type elevating frame, the first electronic reel 2 or so
It is provided with sliding slot 9 on the ceiling 1 of both sides, the second sliding block 10, leading flank and the scissor-type liter of the second sliding block 10 are equipped in sliding slot 9
One end articulated connection at 8 top of frame is dropped, and the other end at 8 top of scissors type elevating frame is articulated and connected with ceiling 1,4 bottom of mounting plate
Support plate 11 is connected on the left of portion, the lower hinge of 11 leading flank of support plate is connected with oscillating deck 12, the top of oscillating deck 12 and peace
The first spring 13 is connected between the bottom of loading board 4, the right side of oscillating deck 12 is connected with display board 14,12 bottom of oscillating deck
Left side is connected with connecting plate 15, and 4 bottom of mounting plate of 11 left of support plate is equipped with the second electronic reel 16, the second electronic coiling
Wheel 16 is equipped with the second drawstring 17, and the end of the second drawstring 17 is connect with the lower part of 15 left side of connecting plate.
Further include having first sleeve 18, the first guide rod 19, block 20, second spring 21, contact wheel 22 and switch 23, support plate
4 bottom of mounting plate in 11 left sides is connected with first sleeve 18, is equipped with the first guide rod 19 in first sleeve 18, under the first guide rod 19
Portion is connected with block 20, and the first guide rod 19 is equipped with second spring 21, the bottom on the top and first sleeve 18 of second spring 21
Connection, the bottom end of second spring 21 are connect with the top of block 20, and the bottom end rotary type of the first guide rod 19 is connected with contact wheel 22,
4 bottom of mounting plate in the left side of support plate 11 is equipped with switch 23, and switch 23 is located in first sleeve 18, switch 23 and second it is electronic around
Pass through connection between line wheel 16.
Further include having third spring 24, framework 25, the second casing 26, the second guide rod 27 and rubber block 28,4 bottom of mounting plate
Right side connection there are two third spring 24, be connected with framework 25 between the bottom end of two third springs 24,4 bottom of mounting plate
There are two the second casing 26, two third springs 24 to be located between two the second casings 26, be set in the second casing 26 for right side connection
There are the second guide rod 27, the bottom end of the second guide rod 27 to be connect with the top of framework 25, is all connected at left and right sides of the top in framework 25
There are rubber block 28, the bottom of rubber block 28 to be contacted with the top of display board 14, the left side of framework 25 is provided with opening 29, oscillating deck
12 are located in opening 29.
Further include having air pump 30, air inlet pipe 31 and escape pipe 32, is installed on the ceiling 1 on 2 right side of the first electronic reel
There is air pump 30, air inlet pipe 31 and escape pipe 32 are connected on air pump 30, the end of escape pipe 32 is passed through in framework 25.
Embodiment 5
A kind of movable visual chart of ophthalmic includes as shown in figures 1 to 6 the first electronic reel 2, the first drawstring 3, mounting plate
4, sliding rail 5, the first sliding block 6, fixed block 7, scissors type elevating frame 8, the second sliding block 10, support plate 11, oscillating deck 12, the first spring
13, display board 14, connecting plate 15, the second electronic reel 16 and the second drawstring 17 are equipped with the first electronic coiling on ceiling 1
2 are taken turns, the first drawstring 3 is wound on the first electronic reel 2, the end of the first drawstring 3 is connected with mounting plate 4,4 top of mounting plate
The left and right sides is respectively connected with sliding rail 5, and sliding rail 5 is equipped with the first sliding block 6, and the left and right sides at 4 top of mounting plate is respectively connected with fixation
Block 7, two sliding rails 5 are located between two fixed blocks 7, and the leading flank of the first sliding block 6 is cut with scissors with one end of 8 bottom of scissors type elevating frame
It connects in succession, the leading flank of fixed block 7 is articulated and connected with the other end of 8 bottom of scissors type elevating frame, the first electronic reel 2 or so
It is provided with sliding slot 9 on the ceiling 1 of both sides, the second sliding block 10, leading flank and the scissor-type liter of the second sliding block 10 are equipped in sliding slot 9
One end articulated connection at 8 top of frame is dropped, and the other end at 8 top of scissors type elevating frame is articulated and connected with ceiling 1,4 bottom of mounting plate
Support plate 11 is connected on the left of portion, the lower hinge of 11 leading flank of support plate is connected with oscillating deck 12, the top of oscillating deck 12 and peace
The first spring 13 is connected between the bottom of loading board 4, the right side of oscillating deck 12 is connected with display board 14,12 bottom of oscillating deck
Left side is connected with connecting plate 15, and 4 bottom of mounting plate of 11 left of support plate is equipped with the second electronic reel 16, the second electronic coiling
Wheel 16 is equipped with the second drawstring 17, and the end of the second drawstring 17 is connect with the lower part of 15 left side of connecting plate.
Further include having first sleeve 18, the first guide rod 19, block 20, second spring 21, contact wheel 22 and switch 23, support plate
4 bottom of mounting plate in 11 left sides is connected with first sleeve 18, is equipped with the first guide rod 19 in first sleeve 18, under the first guide rod 19
Portion is connected with block 20, and the first guide rod 19 is equipped with second spring 21, the bottom on the top and first sleeve 18 of second spring 21
Connection, the bottom end of second spring 21 are connect with the top of block 20, and the bottom end rotary type of the first guide rod 19 is connected with contact wheel 22,
4 bottom of mounting plate in the left side of support plate 11 is equipped with switch 23, and switch 23 is located in first sleeve 18, switch 23 and second it is electronic around
Pass through connection between line wheel 16.
Further include having third spring 24, framework 25, the second casing 26, the second guide rod 27 and rubber block 28,4 bottom of mounting plate
Right side connection there are two third spring 24, be connected with framework 25 between the bottom end of two third springs 24,4 bottom of mounting plate
There are two the second casing 26, two third springs 24 to be located between two the second casings 26, be set in the second casing 26 for right side connection
There are the second guide rod 27, the bottom end of the second guide rod 27 to be connect with the top of framework 25, is all connected at left and right sides of the top in framework 25
There are rubber block 28, the bottom of rubber block 28 to be contacted with the top of display board 14, the left side of framework 25 is provided with opening 29, oscillating deck
12 are located in opening 29.
Further include having air pump 30, air inlet pipe 31 and escape pipe 32, is installed on the ceiling 1 on 2 right side of the first electronic reel
There is air pump 30, air inlet pipe 31 and escape pipe 32 are connected on air pump 30, the end of escape pipe 32 is passed through in framework 25.
Further include having strut 33, magnet 34 and iron block 35,12 top of oscillating deck on 13 right side of the first spring is connected with strut
33, the top of strut 33 is connected with magnet 34, and 4 bottom of mounting plate on 13 right side of the first spring is connected with iron block 35,34 He of magnet
Iron block 35 coordinates.
The top of display board 14 is stained with visual chart, when needing to measure eyesight, first manually start first it is electronic around
Line wheel 2 releases the first drawstring 3 can be such that mounting plate 4 moves down under the action of 4 gravity of mounting plate, when mounting plate 4 is downward
It is artificial to close the first electronic reel 2 after being moved to suitable position.It then manually starts the second electronic reel 16 and withdraws second
Drawstring 17 can so be such that connecting plate 15 is swung to upper left side by the second drawstring 17, and connecting plate 15 swings to upper left side and drives
Lower section is swung oscillating deck 12 to the left, and the first spring 13 is upheld therewith, and lower section swings drive display board 14 to the left to oscillating deck 12 to the left
Lower section is swung, artificial to close the second electronic reel 16, such energy when lower section is swung in vertical state display board 14 to the left
Enough convenient progress eyesight measurements.After the completion of eyesight measurement, manually starts the second electronic reel 16 and releases the second drawstring 17,
Under the action of the first 13 elastic force of spring display board 14 can swing to reset to upper right side, when display board 14 is swung to upper right side
It is artificial to close the second electronic reel 16 after reset, it then manually starts the first electronic reel 2 and withdraws the first drawstring 3, so
Mounting plate 4 can be made to move up reset, it is artificial to close the first electronic reel 2 after mounting plate 4 moves up reset, from
And the occupancy in space can be reduced.Scissors type elevating frame 8 can be such that mounting plate 4 smoothly moves up and down, and prevent mounting plate 4 from shaking
Or it tilts.
Because further including having first sleeve 18, the first guide rod 19, block 20, second spring 21, contact wheel 22 and switch 23,
4 bottom of mounting plate in 11 left side of support plate is connected with first sleeve 18, and the first guide rod 19, the first guide rod 19 are equipped in first sleeve 18
Lower part be connected with block 20, the first guide rod 19 is equipped with second spring 21, top and the first sleeve 18 of second spring 21
Bottom connects, and the bottom end of second spring 21 is connect with the top of block 20, and the bottom end rotary type of the first guide rod 19 is connected with contact
4 bottom of mounting plate of wheel 22,11 left side of support plate is equipped with switch 23, and switch 23 is located in first sleeve 18, switch 23 and second
Pass through connection between electronic reel 16.When connecting plate 15 is swung to upper left side to be contacted with contact wheel 22, connecting plate 15
Continuing to swing to upper left side, contact wheel 22 moves up therewith, and contact wheel 22, which moves up, drives the first guide rod 19 to move up,
First guide rod 19, which moves up, can drive block 20 to move up, and second spring 21 is compressed therewith, when the first guide rod 19 is upward
When mobile and switch 23 contacts, switch 23 closes the second electronic reel 16, so connecting plate 15 can be prevented to upper left side
Position was swung, so as to make visual chart be in vertical state, improves measurement effect, when manually starting the second electronic reel 16
When connecting plate 15 being made to swing reset to the right, under the action of 21 elastic force of second spring contact wheel 22 can move down multiple
Position, it is artificial to close the second electronic reel 16 after connecting plate 15 swings reset to the right.
Because further including having third spring 24, framework 25, the second casing 26, the second guide rod 27 and rubber block 28, mounting plate 4
The right side connection of bottom is connected with framework 25,4 bottom of mounting plate there are two third spring 24 between the bottom end of two third springs 24
There are two the second casing 26, two third springs 24 to be located between two the second casings 26 for the right side connection in portion, the second casing 26
It is inside equipped with the second guide rod 27, the bottom end of the second guide rod 27 is connect with the top of framework 25, at left and right sides of the top in framework 25
It is connected with rubber block 28, the bottom of rubber block 28 is contacted with the top of display board 14, and the left side of framework 25 is provided with opening 29, pendulum
Movable plate 12 is located in opening 29.Third spring 24 plays a supportive role, and the second casing 26 and the second guide rod 27 play the guiding role, rubber
Block 28 can increase frictional force, and when display board 14 is located in framework 25, framework 25 can block most dust, such energy
Enough preliminary reduction visual chart superficial dusts, so as to improve the accuracy of eyesight measurement.
Because further including having air pump 30, air inlet pipe 31 and escape pipe 32, on the ceiling 1 on 2 right side of the first electronic reel
Air pump 30 is installed, air inlet pipe 31 and escape pipe 32 are connected on air pump 30, the end of escape pipe 32 is passed through in framework 25.Work as exhibition
When showing that the top collection of plate 14 has dust, manually starting air pump 30 makes air inlet pipe 31 draw extraneous air, then passes through
Escape pipe 32 forces air into framework 25, can so blow away to the dust on visual chart, be regarded so as to be further reduced
Power table superficial dust, can further improve measurement accuracy.
Because further including having strut 33, magnet 34 and iron block 35,12 top of oscillating deck on 13 right side of the first spring is connected with
The top of strut 33, strut 33 is connected with magnet 34, and 4 bottom of mounting plate on 13 right side of the first spring is connected with iron block 35, magnet
34 and iron block 35 coordinate.Oscillating deck 12 can be fixed by magnet 34 and the cooperation of iron block 35, can so reinforce showing
The fixation of plate 14 causes display board 14 to injure people by a crashing object to lower swing so as to prevent the elastic force of the first spring 13 insufficient.
It should be appreciated that above description is used only for exemplary purpose, it is not intended to limit the present invention.The skill of this field
Art personnel will be understood that variant of the invention form will be included in scope of the claims herein.
Claims (5)
1. a kind of movable visual chart of ophthalmic, feature are being：It include the first electronic reel（2）, the first drawstring（3）,
Mounting plate（4）, sliding rail（5）, the first sliding block（6）, fixed block（7）, scissors type elevating frame（8）, the second sliding block（10）, support plate
（11）, oscillating deck（12）, the first spring（13）, display board（14）, connecting plate（15）, the second electronic reel（16）It is drawn with second
Rope（17）, ceiling（1）On the first electronic reel is installed（2）, the first electronic reel（2）On be wound with the first drawstring（3）,
First drawstring（3）End be connected with mounting plate（4）, mounting plate（4）Sliding rail is respectively connected at left and right sides of top（5）, sliding rail
（5）It is equipped with the first sliding block（6）, mounting plate（4）Fixed block is respectively connected at left and right sides of top（7）, two sliding rails（5）It is located at
Two fixed blocks（7）Between, the first sliding block（6）Leading flank and scissors type elevating frame（8）One end of bottom is articulated and connected, fixed
Block（7）Leading flank and scissors type elevating frame（8）The other end of bottom is articulated and connected, the first electronic reel（2）The left and right sides
Ceiling（1）On be provided with sliding slot（9）, sliding slot（9）Inside it is equipped with the second sliding block（10）, the second sliding block（10）Leading flank with cut
Fork elevating frame（8）The one end at top is articulated and connected, scissors type elevating frame（8）The other end and ceiling at top（1）Hingedly connect
It connects, mounting plate（4）Support plate is connected on the left of bottom（11）, support plate（11）The lower hinge of leading flank is connected with oscillating deck
（12）, oscillating deck（12）Top and mounting plate（4）Bottom between be connected with the first spring（13）, oscillating deck（12）Right side
Face is connected with display board（14）, oscillating deck（12）Connecting plate is connected on the left of bottom（15）, support plate（11）The mounting plate of left
（4）Bottom is equipped with the second electronic reel（16）, the second electronic reel（16）It is equipped with the second drawstring（17）, the second drawstring
（17）End and connecting plate（15）The lower part of left side connects.
2. the movable visual chart of a kind of ophthalmic according to claim 1, feature are being：Further include having first sleeve
（18）, the first guide rod（19）, block（20）, second spring（21）, contact wheel（22）And switch（23）, support plate（11）The peace in left side
Loading board（4）Bottom is connected with first sleeve（18）, first sleeve（18）Inside it is equipped with the first guide rod（19）, the first guide rod（19）Under
Portion is connected with block（20）, the first guide rod（19）It is equipped with second spring（21）, second spring（21）Top and first sleeve
（18）Bottom connection, second spring（21）Bottom end and block（20）Top connection, the first guide rod（19）Bottom end rotation
Formula is connected with contact wheel（22）, support plate（11）The mounting plate in left side（4）Bottom is equipped with switch（23）, switch（23）Positioned at first
Casing（18）It is interior, switch（23）With the second electronic reel（16）Between pass through connection.
3. the movable visual chart of a kind of ophthalmic according to claim 2, feature are being：Further include having third spring
（24）, framework（25）, the second casing（26）, the second guide rod（27）And rubber block（28）, mounting plate（4）It is connected on the right side of bottom
Two third springs（24）, two third springs（24）Bottom end between be connected with framework（25）, mounting plate（4）The right side of bottom
There are two the second casings for connection（26）, two third springs（24）Positioned at two the second casings（26）Between, the second casing（26）
Inside it is equipped with the second guide rod（27）, the second guide rod（27）Bottom end and framework（25）Top connection, framework（25）Interior top left
Right both sides are respectively connected with rubber block（28）, rubber block（28）Bottom and display board（14）Top contact, framework（25）A left side
Side is provided with opening（29）, oscillating deck（12）Positioned at opening（29）It is interior.
4. the movable visual chart of a kind of ophthalmic according to claim 3, feature are being：Further include having air pump（30）,
Air inlet pipe（31）And escape pipe（32）, the first electronic reel（2）The ceiling on right side（1）On air pump is installed（30）, air pump
（30）On be connected with air inlet pipe（31）And escape pipe（32）, escape pipe（32）End be passed through framework（25）It is interior.
5. the movable visual chart of a kind of ophthalmic according to claim 4, feature are being：Further include having strut（33）,
Magnet（34）And iron block（35）, the first spring（13）The oscillating deck on right side（12）Top is connected with strut（33）, strut（33）'s
Top is connected with magnet（34）, the first spring（13）The mounting plate on right side（4）Bottom is connected with iron block（35）, magnet（34）And iron
Block（35）Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810579844.4A CN108742503B (en) | 2018-06-07 | 2018-06-07 | Movable visual chart for ophthalmology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810579844.4A CN108742503B (en) | 2018-06-07 | 2018-06-07 | Movable visual chart for ophthalmology department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108742503A true CN108742503A (en) | 2018-11-06 |
| CN108742503B CN108742503B (en) | 2020-11-10 |
Family
ID=63999337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810579844.4A Expired - Fee Related CN108742503B (en) | 2018-06-07 | 2018-06-07 | Movable visual chart for ophthalmology department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108742503B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297318A (en) * | 2020-02-20 | 2020-06-19 | 徐翠英 | Be used for clinical eyesight check out test set of medical treatment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596382Y (en) * | 2002-06-17 | 2003-12-31 | 刘京 | Hiddenb type liquid crystal display lifter |
| CN200957724Y (en) * | 2006-10-27 | 2007-10-10 | 陈柏谷 | Blackboard eraser |
| CN105615822A (en) * | 2016-02-20 | 2016-06-01 | 王静 | High-grade LED visual chart lamp box special for low vision |
| CN206365878U (en) * | 2016-10-09 | 2017-08-01 | 黄兴富 | A kind of lift visual testing chart |
| CN206852582U (en) * | 2017-01-17 | 2018-01-09 | 中国人民解放军南京军区南京总医院 | A kind of removable visual chart box |
| CN206934084U (en) * | 2017-01-18 | 2018-01-30 | 广州便雅悯视光网络科技有限公司 | Mirror device is matched somebody with somebody in optometry with comprehensive eye-checking instrument |
| CN107856450A (en) * | 2017-10-11 | 2018-03-30 | 深圳市雷凌广通技术研发有限公司 | A kind of intelligent apparatus with blackboard wiping and dust absorbing function |
-
2018
- 2018-06-07 CN CN201810579844.4A patent/CN108742503B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596382Y (en) * | 2002-06-17 | 2003-12-31 | 刘京 | Hiddenb type liquid crystal display lifter |
| CN200957724Y (en) * | 2006-10-27 | 2007-10-10 | 陈柏谷 | Blackboard eraser |
| CN105615822A (en) * | 2016-02-20 | 2016-06-01 | 王静 | High-grade LED visual chart lamp box special for low vision |
| CN206365878U (en) * | 2016-10-09 | 2017-08-01 | 黄兴富 | A kind of lift visual testing chart |
| CN206852582U (en) * | 2017-01-17 | 2018-01-09 | 中国人民解放军南京军区南京总医院 | A kind of removable visual chart box |
| CN206934084U (en) * | 2017-01-18 | 2018-01-30 | 广州便雅悯视光网络科技有限公司 | Mirror device is matched somebody with somebody in optometry with comprehensive eye-checking instrument |
| CN107856450A (en) * | 2017-10-11 | 2018-03-30 | 深圳市雷凌广通技术研发有限公司 | A kind of intelligent apparatus with blackboard wiping and dust absorbing function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297318A (en) * | 2020-02-20 | 2020-06-19 | 徐翠英 | Be used for clinical eyesight check out test set of medical treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108742503B (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108742503A (en) | A kind of movable visual chart of ophthalmic | |
| CN109629816B (en) | Glass curtain wall construction hanging platform for green building system | |
| CN109458532B (en) | Surveying instrument protection device for construction | |
| CN205083446U (en) | Eyesight testing arrangement with adjustable ophthalmic therapy | |
| CN108553854B (en) | Dribbling shooting training device for basketball teaching | |
| CN114354118A (en) | Cushioning property detection device for fire fighting helmet | |
| CN109668017A (en) | A kind of projector installation mounting bracket | |
| CN113295558B (en) | Automobile front windshield outgoing detection system | |
| CN214894540U (en) | Automatic mask quality detection equipment | |
| CN102128676A (en) | Toy noise detection profiling mechanism | |
| CN207613724U (en) | Suspension type washes wall device | |
| CN108952600A (en) | It is a kind of to survey long oil pipe conveying device automatically | |
| CN109132779A (en) | A kind of protective carriage buffer unit | |
| CN112850403A (en) | Novel horizontal automatic leveling of rectifying of elevator car device operating system | |
| CN202778999U (en) | Ceiling fan blade convenient cleaner | |
| CN113884076A (en) | Debugging-free scale frame for mine measurement | |
| CN109171635B (en) | Ophthalmic bidirectional visual chart | |
| CN208777927U (en) | It is a kind of to survey long oil pipe conveying device automatically | |
| CN107895529B (en) | A kind of physics teaching measurement average speed experimental provision | |
| CN112040227A (en) | Camera module detection equipment based on 3D sensing technology | |
| CN117213787B (en) | Anti-collision detection device for glass guardrail | |
| CN216051064U (en) | Digital display rock point load tester | |
| CN217156473U (en) | Portable automatic comprehensive tester for smoke and dust and flue gas monitoring equipment | |
| CN216900741U (en) | Intelligent test tool with buffering protection | |
| CN212722349U (en) | Computer full-automatic constant stress testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shang Yunbo Inventor after: Chen Yan Inventor after: Liu Zhihong Inventor after: Zhang Rongjian Inventor before: Zhang Rongjian |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201019 Address after: 130021 No. 1745 worker peasant Road, Jilin, Changchun Applicant after: JILIN ACADEMY OF TRADITIONAL CHINESE MEDICINE SCIENCES (THE FIRST CLINICAL HOSPITAL, JILIN JILIN ACADEMY OF TRADITIONAL CHINESE MEDICINE SCIENCES) Address before: 510095 al Eye Hospital, 191 Central Road, Yuexiu District, Guangzhou, Guangdong Applicant before: Zhang Rongjian |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |