CN209059440U - A kind of ophthalmic visual chart apparatus for placing - Google Patents
A kind of ophthalmic visual chart apparatus for placing Download PDFInfo
- Publication number
- CN209059440U CN209059440U CN201721041550.3U CN201721041550U CN209059440U CN 209059440 U CN209059440 U CN 209059440U CN 201721041550 U CN201721041550 U CN 201721041550U CN 209059440 U CN209059440 U CN 209059440U
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- block
- bar
- visual chart
- moving spring
- pedestal
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Abstract
The utility model relates to a kind of visual chart apparatus for placing more particularly to a kind of ophthalmic visual chart apparatus for placing.The technical problem to be solved by the present invention is to provide one kind can adjust height locating for visual chart, can reduce the ophthalmic visual chart apparatus for placing that detection error is big, can be improved detection effect.In order to solve the above-mentioned technical problem, the utility model provides such a ophthalmic visual chart apparatus for placing, includes pedestal etc.；The top left side of pedestal is equipped with height adjustment device, is connected with supporting plate on height adjustment device, the two sides up and down of supporting plate leading flank are equipped with fixed device.The utility model can be adjusted the locating height of supporting plate by height adjustment device, so as to adjust the locating height of visual chart, to achieve the effect that can to adjust the locating height of visual chart, can reduce that detection error is big, can be improved detection effect.
Description
Technical field
The utility model relates to a kind of visual chart apparatus for placing more particularly to a kind of ophthalmic visual chart apparatus for placing.
Background technique
The full name of ophthalmology is " eye disease 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 are white
A variety of ophthalmology diseases such as cataract or glaucoma.
Visual chart is one of common eyesight detection device, should will be regarded when carrying out eyesight detection to subject with visual chart
Power table be placed on in the parallel height of subject's eye, and at present generally by the good visual chart of mounting be directly anchored on wall to by
Inspection person carries out eyesight detection, the so more difficult locating height for adjusting visual chart, but the height of subject is had nothing in common with each other, and can so be led
It causes that detection error is big, detection effect is bad, therefore needs to research and develop one kind and can adjust the locating height of visual chart, detection can be reduced
Error is big, can be improved the ophthalmic visual chart apparatus for placing of detection effect.
Utility model content
(1) technical problems to be solved
The utility model in order to overcome visual chart be directly anchored on wall to subject carry out eyesight detection, so more difficult tune
The locating height for saving visual chart, so will lead to that detection error is big, and the bad disadvantage of detection effect is to be solved in the utility model
Technical problem, which is to provide one kind, can adjust the locating height of visual chart, can reduce that detection error is big, can be improved detection effect
Ophthalmic visual chart apparatus for placing.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides such a ophthalmic visual chart apparatus for placing, packet
Pedestal, height adjustment device, supporting plate and fixed device are included, the top left side of pedestal is equipped with height adjustment device, height adjustment
Supporting plate is connected on device, the two sides up and down of supporting plate leading flank are equipped with fixed device.
Preferably, height adjustment device includes slide bar, sliding sleeve, T shape fixture block, the first back-moving spring and the first pull ring, is slided
The bottom of bar is connected by the top left side of bolt and pedestal, and slide bar is equipped with the sliding sleeve being slidably matched with it, the left side of slide bar
Face is evenly spaced from top to bottom to be provided with multiple card slots, and the left side on sliding sleeve is provided with first through hole, and first through hole is connected with card slot
It is logical, it is equipped with the T shape fixture block cooperated with card slot in first through hole, is wound with the first back-moving spring on T shape fixture block, the first back-moving spring
Left end is connect with the medial surface of T shape fixture block, and the right end of the first back-moving spring and the left side of sliding sleeve connect, the left end of T shape fixture block
It is connected with the first pull ring.
Preferably, fixed device includes fixed block, T-bar, clamping plate, the second back-moving spring and the second pull ring, fixed block
Trailing flank connected by the leading flank of bolt and supporting plate, the second through-hole is provided on fixed block, is equipped with T-bar in the second through-hole,
Clamping plate has been bolted in the bottom end of upside T-bar and the top of downside T-bar, and the second back-moving spring is wound on T-bar,
One end of second back-moving spring and the medial surface of T-bar connect, and the other end of the second back-moving spring is connect with fixed block, upside T
The top of shape bar and the bottom end of downside T-bar are respectively connected with the second pull ring.
It preferably, further include having wiping arrangement, the top right side of pedestal is equipped with wiping arrangement, and wiping arrangement includes bearing
Seat, shaft, sliding block, connecting plate, sponge block and handle, bearing block are mounted on the top right side of pedestal by bolt, on bearing block
Bearing be connected with shaft in such a way that interference connects, the right side in shaft is vertically provided with sliding slot, is equipped in sliding slot and slides with it
Connecting plate has been bolted in the sliding block of dynamic cooperation, the right side of sliding block, and the leading flank of connecting plate is connected with sponge block, connection
Handle has been bolted in the right side of plate.
It preferably, further include having rubber block, the bottom of upside clamping plate and the top of downside clamping plate have been connected by screw to
Rubber block.
It preferably, further include having connecting rod and universal wheel, connection has been bolted in the left and right sides of base bottom
The bottom of bar, connecting rod is connected with universal wheel.
The good visual chart of mounting: being manually placed on the leading flank of supporting plate by working principle, then regard fixed device will
Power table is fixed on supporting plate, then manually adjusts height adjustment device to the locating height of supporting plate according to the height of subject
Section, is adjusted so as to the locating height to visual chart, eyesight detection can be carried out after the completion of adjusting.So this is practical new
Type can be adjusted the locating height of supporting plate by height adjustment device, so as to adjust the locating height of visual chart,
Therefore the utility model can adjust the locating height of visual chart, can reduce that detection error is big, can be improved detection effect.
Because height adjustment device includes slide bar, sliding sleeve, T shape fixture block, the first back-moving spring and the first pull ring, slide bar
Bottom is connected by the top left side of bolt and pedestal, and slide bar is equipped with the sliding sleeve being slidably matched with it, the left side of slide bar from
Evenly spaced under to be provided with multiple card slots, the left side on sliding sleeve is provided with first through hole, and first through hole is connected with card slot, the
It is equipped with the T shape fixture block cooperated with card slot in one through-hole, is wound with the first back-moving spring, the left end of the first back-moving spring on T shape fixture block
It is connect with the medial surface of T shape fixture block, the right end of the first back-moving spring and the left side of sliding sleeve connect, the left end connection of T shape fixture block
There is the first pull ring.So T shape fixture block is stuck in card slot and fixes sliding sleeve when initial.Manually the first pull ring is pulled to make T shape card to the left
Block is moved to the left, and removes card slot, and the first back-moving spring is upheld therewith, then manually according to the height of subject upwards or on move down
Dynamic sliding sleeve, can so adjust the locating height of supporting plate, so as to adjust the locating height of visual chart.After the completion of height adjustment
Unclamp the first pull ring, the first back-moving spring rebounds therewith makes T shape fixture block move right to move into card slot and fix sliding sleeve.
Because fixed device includes fixed block, T-bar, clamping plate, the second back-moving spring and the second pull ring, after fixed block
Side is connected by the leading flank of bolt and supporting plate, and the second through-hole is provided on fixed block, is equipped with T-bar, upside T in the second through-hole
Clamping plate has been bolted in the bottom end of shape bar and the top of downside T-bar, is wound with the second back-moving spring on T-bar, and second
One end of back-moving spring and the medial surface of T-bar connect, and the other end of the second back-moving spring is connect with fixed block, upside T-bar
Top and the bottom end of downside T-bar be respectively connected with the second pull ring.So manually pull up upside the second pull ring and downwards
The second pull ring of downside is pulled, so two clamping plates can be made to be separated from each other by T-bar, the second back-moving spring is upheld therewith,
Then the good visual chart of mounting is placed on the supporting plate between two clamping plates, then again simultaneously unclamp two the second pull rings, two
A second back-moving spring rebounds therewith, and can make two clamping plates are close to each other visual chart is clamped fixation by T-bar, so
Visual chart can be fixed on supporting plate.
Because further including having wiping arrangement, the top right side of pedestal is equipped with wiping arrangement, wiping arrangement include bearing block,
Shaft, sliding block, connecting plate, sponge block and handle, bearing block are mounted on the top right side of pedestal, the axis on bearing block by bolt
It holds and is connected with shaft in such a way that interference connects, the right side in shaft is vertically provided with sliding slot, is equipped with to slide with it in sliding slot and match
Connecting plate has been bolted in the sliding block of conjunction, the right side of sliding block, and the leading flank of connecting plate is connected with sponge block, connecting plate
Handle has been bolted in right side.So manually rotating clockwise the front side that shaft makes sponge block be located at visual chart, then
It holds handle and moving up and down handle moves up and down connecting plate, connecting plate moves up and down sponge block and moves up and down therewith, sponge
Block moves up and down the dust that can be wiped to visual chart by visual chart, impurity erasing, is so able to maintain visual chart
Neatly, so as to convenient for eyesight detection.After the completion of wiping, manually rotating counterclockwise shaft makes sponge block reset.
Because further including having rubber block, the bottom of upside clamping plate and the top of downside clamping plate have been connected by screw to rubber
Block.Rubber block is capable of increasing the frictional force with visual chart, stronger so as to fix visual chart.
Because further including having connecting rod and universal wheel, connecting rod has been bolted in the left and right sides of base bottom,
The bottom of connecting rod is connected with universal wheel.Universal wheel can easily and efficiently move the position of the utility model, so using more
Add conveniently.
(3) beneficial effect
The utility model can be adjusted the locating height of supporting plate by height adjustment device, so as to adjust view
The locating height of power table, so that the locating height of visual chart can be adjusted, can reduce that detection error is big, can be improved inspection by having reached
Survey the effect of effect.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the utility model.
Fig. 2 is the first schematic view of the front view of the fixed device of the utility model.
Fig. 3 is second of schematic view of the front view of the utility model.
Fig. 4 is second of schematic view of the front view of the fixed device of the utility model.
Fig. 5 is the third schematic view of the front view of the utility model.
The label in accompanying drawing is: 1- pedestal, 2- height adjustment device, 3- supporting plate, the fixed device of 4-, 201- slide bar, 202-
Sliding sleeve, 203- card slot, 204- first through hole, 205-T shape fixture block, the first back-moving spring of 206-, the first pull ring of 207-, 401- are fixed
Block, the second through-hole of 402-, 403-T shape bar, 404- clamping plate, the second back-moving spring of 405-, the second pull ring of 406-, 5- wiping arrangement,
501- bearing block, 502- shaft, 503- sliding slot, 504- sliding block, 505- connecting plate, 506- sponge block, 507- handle, 6- rubber
Block, 7- connecting rod, 8- universal wheel.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of ophthalmic visual chart apparatus for placing includes as shown in Figs. 1-5 pedestal 1, height adjustment device 2, supporting plate 3
With fixed device 4, the top left side of pedestal 1 is equipped with height adjustment device 2, is connected with supporting plate 3, supporting plate 3 on height adjustment device 2
The two sides up and down of leading flank are equipped with fixed device 4.
Embodiment 2
A kind of ophthalmic visual chart apparatus for placing includes as shown in Figs. 1-5 pedestal 1, height adjustment device 2, supporting plate 3
With fixed device 4, the top left side of pedestal 1 is equipped with height adjustment device 2, is connected with supporting plate 3, supporting plate 3 on height adjustment device 2
The two sides up and down of leading flank are equipped with fixed device 4.
Height adjustment device 2 includes slide bar 201, sliding sleeve 202, T shape fixture block 205, the first back-moving spring 206 and the first drawing
Ring 207, the bottom of slide bar 201 connect by bolt with the top left side of pedestal 1, and slide bar 201 with it equipped with being slidably matched
Sliding sleeve 202, the left side of slide bar 201 is evenly spaced from top to bottom to be provided with multiple card slots 203, and the left side on sliding sleeve 202 is provided with
First through hole 204, first through hole 204 are connected with card slot 203, and the T shape card cooperated with card slot 203 is equipped in first through hole 204
Block 205 is wound with the first back-moving spring 206, the left end of the first back-moving spring 206 and the inside of T shape fixture block 205 on T shape fixture block 205
Face connection, the right end of the first back-moving spring 206 are connect with the left side of sliding sleeve 202, and the left end of T shape fixture block 205 is connected with first
Pull ring 207.
Embodiment 3
A kind of ophthalmic visual chart apparatus for placing includes as shown in Figs. 1-5 pedestal 1, height adjustment device 2, supporting plate 3
With fixed device 4, the top left side of pedestal 1 is equipped with height adjustment device 2, is connected with supporting plate 3, supporting plate 3 on height adjustment device 2
The two sides up and down of leading flank are equipped with fixed device 4.
Height adjustment device 2 includes slide bar 201, sliding sleeve 202, T shape fixture block 205, the first back-moving spring 206 and the first drawing
Ring 207, the bottom of slide bar 201 connect by bolt with the top left side of pedestal 1, and slide bar 201 with it equipped with being slidably matched
Sliding sleeve 202, the left side of slide bar 201 is evenly spaced from top to bottom to be provided with multiple card slots 203, and the left side on sliding sleeve 202 is provided with
First through hole 204, first through hole 204 are connected with card slot 203, and the T shape card cooperated with card slot 203 is equipped in first through hole 204
Block 205 is wound with the first back-moving spring 206, the left end of the first back-moving spring 206 and the inside of T shape fixture block 205 on T shape fixture block 205
Face connection, the right end of the first back-moving spring 206 are connect with the left side of sliding sleeve 202, and the left end of T shape fixture block 205 is connected with first
Pull ring 207.
Fixed device 4 includes fixed block 401, T-bar 403, clamping plate 404, the second back-moving spring 405 and the second pull ring
406, the trailing flank of fixed block 401 is connect by bolt with the leading flank of supporting plate 3, and the second through-hole 402 is provided on fixed block 401,
T-bar 403 is equipped in second through-hole 402, the bottom end of upside T-bar 403 and the top of downside T-bar 403 are connected by bolt
It is connected to clamping plate 404, is wound with the second back-moving spring 405 on T-bar 403, one end of the second back-moving spring 405 is interior with T-bar 403
Side connection, the other end of the second back-moving spring 405 are connect with fixed block 401, the top of upside T-bar 403 and downside T-bar
403 bottom end is respectively connected with the second pull ring 406.
Embodiment 4
A kind of ophthalmic visual chart apparatus for placing includes as shown in Figs. 1-5 pedestal 1, height adjustment device 2, supporting plate 3
With fixed device 4, the top left side of pedestal 1 is equipped with height adjustment device 2, is connected with supporting plate 3, supporting plate 3 on height adjustment device 2
The two sides up and down of leading flank are equipped with fixed device 4.
Height adjustment device 2 includes slide bar 201, sliding sleeve 202, T shape fixture block 205, the first back-moving spring 206 and the first drawing
Ring 207, the bottom of slide bar 201 connect by bolt with the top left side of pedestal 1, and slide bar 201 with it equipped with being slidably matched
Sliding sleeve 202, the left side of slide bar 201 is evenly spaced from top to bottom to be provided with multiple card slots 203, and the left side on sliding sleeve 202 is provided with
First through hole 204, first through hole 204 are connected with card slot 203, and the T shape card cooperated with card slot 203 is equipped in first through hole 204
Block 205 is wound with the first back-moving spring 206, the left end of the first back-moving spring 206 and the inside of T shape fixture block 205 on T shape fixture block 205
Face connection, the right end of the first back-moving spring 206 are connect with the left side of sliding sleeve 202, and the left end of T shape fixture block 205 is connected with first
Pull ring 207.
Fixed device 4 includes fixed block 401, T-bar 403, clamping plate 404, the second back-moving spring 405 and the second pull ring
406, the trailing flank of fixed block 401 is connect by bolt with the leading flank of supporting plate 3, and the second through-hole 402 is provided on fixed block 401,
T-bar 403 is equipped in second through-hole 402, the bottom end of upside T-bar 403 and the top of downside T-bar 403 are connected by bolt
It is connected to clamping plate 404, is wound with the second back-moving spring 405 on T-bar 403, one end of the second back-moving spring 405 is interior with T-bar 403
Side connection, the other end of the second back-moving spring 405 are connect with fixed block 401, the top of upside T-bar 403 and downside T-bar
403 bottom end is respectively connected with the second pull ring 406.
It further include having wiping arrangement 5, the top right side of pedestal 1 is equipped with wiping arrangement 5, and wiping arrangement 5 includes bearing block
501, shaft 502, sliding block 504, connecting plate 505, sponge block 506 and handle 507, bearing block 501 are mounted on pedestal 1 by bolt
Top right side, the bearing on bearing block 501 is connected with shaft 502 in such a way that interference connects, and the right side in shaft 502 is perpendicular
To sliding slot 503 is provided with, it is equipped with the sliding block 504 being slidably matched with it in sliding slot 503, the right side of sliding block 504 is bolted
There is connecting plate 505, the leading flank of connecting plate 505 is connected with sponge block 506, and the right side of connecting plate 505 has been bolted
Handle 507.
It further include having rubber block 6, the bottom of upside clamping plate 404 and the top of downside clamping plate 404 have been connected by screw to
Rubber block 6.
It further include having connecting rod 7 and universal wheel 8, connecting rod 7 has been bolted in the left and right sides of 1 bottom of pedestal,
The bottom of connecting rod 7 is connected with universal wheel 8.
The good visual chart of mounting: being manually placed on the leading flank of supporting plate 3 by working principle, then manually makes fixed device 4 will
Visual chart is fixed on supporting plate 3, then manually makes height adjustment device 2 to the locating height of supporting plate 3 according to the height of subject
It is adjusted, is adjusted so as to the locating height to visual chart, eyesight detection can be carried out after the completion of adjusting.So originally
Utility model can be adjusted the locating height of supporting plate 3 by height adjustment device 2, so as to adjust the institute of visual chart
Place's height, therefore the utility model can adjust the locating height of visual chart, can reduce that detection error is big, can be improved detection effect
Fruit.
Because height adjustment device 2 includes slide bar 201, sliding sleeve 202, T shape fixture block 205, the first back-moving spring 206 and
The bottom of one pull ring 207, slide bar 201 is connect by bolt with the top left side of pedestal 1, and slide bar 201, which is equipped with to slide with it, matches
The sliding sleeve 202 of conjunction, the left side of slide bar 201 is evenly spaced from top to bottom to be provided with multiple card slots 203, the left side on sliding sleeve 202
It is provided with first through hole 204, first through hole 204 is connected with card slot 203, and the T cooperated with card slot 203 is equipped in first through hole 204
Shape fixture block 205, is wound with the first back-moving spring 206 on T shape fixture block 205, the left end of the first back-moving spring 206 and T shape fixture block 205
Medial surface connection, the right end of the first back-moving spring 206 are connect with the left side of sliding sleeve 202, and the left end of T shape fixture block 205 is connected with
First pull ring 207.So T shape fixture block 205 is stuck in card slot 203 that sliding sleeve 202 is fixed when initial.First is manually pulled to the left
Pull ring 207 is moved to the left T shape fixture block 205, and removes card slot 203, and the first back-moving spring 206 is upheld therewith, then artificial basis
The height of subject is upward or moves up and down sliding sleeve 202, can so adjust the locating height of supporting plate 3, so as to adjust view
The locating height of power table.The first pull ring 207 is unclamped after the completion of height adjustment, the first back-moving spring 206 rebounds therewith makes T shape fixture block
205, which move right, moves into the fixation of sliding sleeve 202 in card slot 203.
Because fixed device 4 includes fixed block 401, T-bar 403, clamping plate 404, the second back-moving spring 405 and the second drawing
The trailing flank of ring 406, fixed block 401 is connect by bolt with the leading flank of supporting plate 3, and the second through-hole is provided on fixed block 401
402, the second through-hole 402 is interior equipped with T-bar 403, and the bottom end of upside T-bar 403 and the top of downside T-bar 403 pass through spiral shell
It tethers and is connected to clamping plate 404, the second back-moving spring 405, one end of the second back-moving spring 405 and T-bar 403 are wound on T-bar 403
Medial surface connection, the other end of the second back-moving spring 405 connect with fixed block 401, the top of upside T-bar 403 and downside T
The bottom end of shape bar 403 is respectively connected with the second pull ring 406.So manually pulling up the second pull ring 406 of upside and pulling downward on
Second pull ring 406 of downside so can be such that two clamping plates 404 are separated from each other by T-bar 403, the second back-moving spring 405 with
Extension, then the good visual chart of mounting is placed on the supporting plate 3 between two clamping plates 404, then again simultaneously unclamp two
Second pull ring 406, two the second back-moving springs 405 rebound therewith, and two clamping plates 404 can be made mutually to lean on by T-bar 403
Visual chart is closely clamped into fixation, visual chart can be so fixed on supporting plate 3.
Because further including having wiping arrangement 5, the top right side of pedestal 1 is equipped with wiping arrangement 5, and wiping arrangement 5 includes axis
Seat 501, shaft 502, sliding block 504, connecting plate 505, sponge block 506 and handle 507 are held, bearing block 501 is mounted on by bolt
The top right side of pedestal 1, the bearing on bearing block 501 are connected with shaft 502 in such a way that interference connects, in shaft 502
Right side is vertically provided with sliding slot 503, is equipped with the sliding block 504 being slidably matched with it in sliding slot 503, the right side of sliding block 504 passes through spiral shell
It tethers and is connected to connecting plate 505, the leading flank of connecting plate 505 is connected with sponge block 506, and the right side of connecting plate 505 passes through bolt
It is connected with handle 507.So that sponge block 506 is located at the front side of visual chart so manually rotating clockwise shaft 502, then holds handle
Hand 507 and moving up and down handle 507 moves up and down connecting plate 505, connecting plate 505 move up and down sponge block 506 therewith up and down
Mobile, sponge block 506 moves up and down the dust that can be wiped to visual chart by visual chart, impurity erasing, so can
The clean and tidy of visual chart is kept, so as to detect convenient for eyesight.After the completion of wiping, manually rotating counterclockwise shaft 502 makes sponge
Block 506 resets.
Because further including having rubber block 6, the bottom of upside clamping plate 404 and the top of downside clamping plate 404 are connected by screw
It is connected to rubber block 6.Rubber block 6 is capable of increasing the frictional force with visual chart, stronger so as to fix visual chart.
Because further including having connecting rod 7 and universal wheel 8, connection has been bolted in the left and right sides of 1 bottom of pedestal
Bar 7, the bottom of connecting rod 7 are connected with universal wheel 8.Universal wheel 8 can easily and efficiently move the position of the utility model, such as
This is more convenient to use.
Preferred embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these are all
Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of ophthalmic visual chart apparatus for placing, which is characterized in that include pedestal (1), height adjustment device (2), supporting plate
(3) and fixed device (4), the top left side of pedestal (1) is equipped with height adjustment device (2), and height adjustment device is connected on (2)
The two sides up and down of supporting plate (3), supporting plate (3) leading flank are equipped with fixed device (4).
2. a kind of ophthalmic visual chart apparatus for placing according to claim 1, which is characterized in that height adjustment device (2)
It include slide bar (201), sliding sleeve (202), T shape fixture block (205), the first back-moving spring (206) and the first pull ring (207), slide bar
(201) bottom is connect by bolt with the top left side of pedestal (1), and slide bar (201) is equipped with the sliding sleeve being slidably matched with it
(202), the left side of slide bar (201) is evenly spaced from top to bottom is provided with multiple card slots (203), the left side on sliding sleeve (202)
It is provided with first through hole (204), first through hole (204) is connected with card slot (203), is equipped in first through hole (204) and card slot
(203) the T shape fixture block (205) cooperated is wound with the first back-moving spring (206) on T shape fixture block (205), the first back-moving spring (206)
Left end connect with the medial surface of T shape fixture block (205), the left side of the right end of the first back-moving spring (206) and sliding sleeve (202) connects
It connects, the left end of T shape fixture block (205) is connected with the first pull ring (207).
3. a kind of ophthalmic visual chart apparatus for placing according to claim 2, which is characterized in that fixed device (4) include
There are fixed block (401), T-bar (403), clamping plate (404), the second back-moving spring (405) and the second pull ring (406), fixed block
(401) trailing flank is connect by bolt with the leading flank of supporting plate (3), is provided on fixed block (401) the second through-hole (402), the
T-bar (403) are equipped in two through-holes (402), the bottom end of upside T-bar (403) and the top of downside T-bar (403) pass through
It has been bolted clamping plate (404), has been wound on T-bar (403) the second back-moving spring (405), one end of the second back-moving spring (405)
It is connect with the medial surface of T-bar (403), the other end of the second back-moving spring (405) is connect with fixed block (401), upside T-bar
(403) bottom end on top and downside T-bar (403) is respectively connected with the second pull ring (406).
4. a kind of ophthalmic visual chart apparatus for placing according to claim 3, which is characterized in that further include having wiping arrangement
(5), the top right side of pedestal (1) be equipped with wiping arrangement (5), wiping arrangement (5) include bearing block (501), shaft (502),
Sliding block (504), connecting plate (505), sponge block (506) and handle (507), bearing block (501) are mounted on pedestal (1) by bolt
Top right side, the bearing on bearing block (501) is connected with shaft (502) in such a way that interference connects, in shaft (502)
Right side is vertically provided with sliding slot (503), and the sliding block (504) being slidably matched with it, the right side of sliding block (504) are equipped in sliding slot (503)
Face has been bolted connecting plate (505), and the leading flank of connecting plate (505) is connected with sponge block (506), connecting plate (505)
Right side handle (507) have been bolted.
5. a kind of ophthalmic visual chart apparatus for placing according to claim 4, which is characterized in that further include having rubber block
(6), the bottom of upside clamping plate (404) and the top of downside clamping plate (404) have been connected by screw to rubber block (6).
6. a kind of ophthalmic visual chart apparatus for placing according to claim 5, which is characterized in that further include having connecting rod
(7) it has been bolted connecting rod (7) with universal wheel (8), the left and right sides of pedestal (1) bottom, the bottom of connecting rod (7)
It is connected with universal wheel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721041550.3U CN209059440U (en) | 2017-08-20 | 2017-08-20 | A kind of ophthalmic visual chart apparatus for placing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721041550.3U CN209059440U (en) | 2017-08-20 | 2017-08-20 | A kind of ophthalmic visual chart apparatus for placing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209059440U true CN209059440U (en) | 2019-07-05 |
Family
ID=67087611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721041550.3U Expired - Fee Related CN209059440U (en) | 2017-08-20 | 2017-08-20 | A kind of ophthalmic visual chart apparatus for placing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209059440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464297A (en) * | 2019-08-01 | 2019-11-19 | 张丽群 | A kind of eyelid device for spreading of medical use |
-
2017
- 2017-08-20 CN CN201721041550.3U patent/CN209059440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464297A (en) * | 2019-08-01 | 2019-11-19 | 张丽群 | A kind of eyelid device for spreading of medical use |
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