CN109199318B - Ophthalmology eyesight test table - Google Patents
Ophthalmology eyesight test table Download PDFInfo
- Publication number
- CN109199318B CN109199318B CN201811143978.8A CN201811143978A CN109199318B CN 109199318 B CN109199318 B CN 109199318B CN 201811143978 A CN201811143978 A CN 201811143978A CN 109199318 B CN109199318 B CN 109199318B
- Authority
- CN
- China
- Prior art keywords
- pulley
- guide
- bearing
- scroll
- stay cord
- 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.)
- Expired - Fee Related
Links
Images
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
-
- 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
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)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention relates to a test chart, in particular to an ophthalmic vision test chart. Therefore, the technical problems of the invention are as follows: the ophthalmic vision test chart can enable a patient to see symbols clearly and has a good test effect. The technical implementation scheme of the invention is as follows: an ophthalmic eyesight test chart comprises a bottom bracket, a U-shaped bracket, a first bearing, a first shaft lever, a first scroll, a second bearing, a second shaft lever, a second scroll, a first rocker arm, an eyesight test chart and the like; the top of end support is connected with U type support, and the spout has all been opened to the both sides about in the U type support, and left side spout left side wall and right side spout right side wall are all evenly opened has a plurality of recesses, and first bearing is all installed to the left and right sides lower part of U type support. According to the invention, medical staff hold the first rocker arm and rotate the second shaft rod forwards or backwards, and the second shaft rod rotates forwards or backwards to drive the second scroll to rotate forwards or backwards, so that the visual chart is driven to rotate, and the sizes of symbols seen by patients from the test holes are different, so that the vision of the patients is tested.
Description
Technical Field
The invention relates to a test chart, in particular to an ophthalmic vision test chart.
Background
People generally go to the hospital to do the visual examination when feeling that the vision is not good, the current hospital generally tests the vision of patients by using a visual chart, generally, medical personnel in the hospital hold a stick to indicate symbols on the visual chart to be recognized by the patients, so as to test the vision of the patients, but the stick indicates the symbols to be recognized by the patients, the patients with low vision can not see which symbols the medical personnel indicate, so that the recognition is wrong, and the test effect is not good.
Disclosure of Invention
In order to overcome the defects that a patient with poor eyesight may not see clearly which symbol a medical worker refers to with a stick, so that recognition is wrong, and the test effect is not good, the technical problem of the invention is as follows: the ophthalmic vision test chart can enable a patient to see symbols clearly and has a good test effect.
The technical implementation scheme of the invention is as follows: an ophthalmology vision test meter comprises a bottom bracket, a U-shaped bracket, a first bearing, a first shaft lever, a first scroll, a second bearing, a second shaft lever, a second scroll, a first rocker arm, a visual chart, a slide block, a spring, a fixture block, a deflector rod, a guide rod and a guide plate, wherein the top of the bottom bracket is connected with the U-shaped bracket, chutes are respectively formed in the left side and the right side of the U-shaped bracket, a plurality of grooves are respectively and uniformly formed in the left wall of the left chute and the right wall of the right chute of the left side, the lower parts of the left side and the right side of the U-shaped bracket are respectively provided with the first bearing, the first shaft lever is connected in the first bearing in an interference manner, the first scroll is connected on the first shaft lever, the second bearing is respectively arranged at the top of the left side and the right side of the U-shaped bracket, the second shaft lever is connected in the interference manner, the second scroll is connected on the second shaft lever, all slidingtype is connected with the slider on the left and right sides spout, the circular slot has all been opened at the outside middle part of the outside of left and right sides slider, the guide way has all been opened to the front side outside of left and right sides slider, the guide way communicates with each other with the circular slot, sliding connection has the fixture block in the circular slot, be connected with the driving lever on the fixture block, the driving lever passes the circular slot, be connected with the spring between fixture block and the slider, the spring is located the guide way, be connected with two guide arms between the left and right sides slider, sliding connection has the baffle between two guide arms, the upper and lower two parts of baffle have all opened the guiding hole, the.
In a preferred embodiment of the invention, the device further comprises a mounting plate, a rolling wheel, a rotating handle, a left pull rope, a right pull rope, a first pulley and a second pulley, wherein the mounting plate is connected to the top of the upper guide rod, the rolling wheel is rotatably mounted on the mounting plate, the rotating handle is connected to the rolling wheel, the first pulley and the second pulley are rotatably connected to the left and right side sliding blocks, the left pull rope and the right pull rope are wound on the rolling wheel, the left pull rope sequentially winds the left side second pulley and the first pulley and is connected with the left deflector rod, and the right pull rope sequentially winds the right side second pulley and the first pulley and is connected with the right deflector rod.
In a preferred embodiment of the invention, the device further comprises a vertical support plate, a third pulley, a fourth pulley, a steel wire rope, a connecting clamp and a second rocker arm, wherein the vertical support plate is connected to the bottoms of the left and right side sliders, the third pulley is rotatably connected to the left vertical support plate, the fourth pulley is rotatably connected to the right vertical support plate, the connecting clamp is connected to the bottom of the guide plate, the steel wire rope is wound on the third pulley and the fourth pulley, the steel wire rope is connected with the connecting clamp, and the second rocker arm is connected to the fourth pulley.
In a preferred embodiment of the invention, the device further comprises a left orifice plate, a right orifice plate and a brush rod, the lower parts of the inner left side and the inner right side of the U-shaped bracket are respectively connected with the left orifice plate and the right orifice plate, and the brush rod is rotatably connected between the left orifice plate and the right orifice plate.
When the invention is needed to use, medical personnel firstly hold the first rocker to rotate or rotate the second shaft rod in a positive or negative way so as to drive the visual chart to rotate, thus the sizes of symbols seen by patients from the test holes are different to test the vision of the patients, the medical personnel can hold the deflector rods on the left and right sides and pull the deflector rods in opposite directions, the deflector rods on the left and right sides move in opposite directions to drive the fixture blocks on the left and right sides to move in opposite directions, the springs on the left and right sides are compressed to enable the fixture blocks on the left and right sides to be separated from the grooves on the left and right sides, at the moment, the medical personnel can move the two guide rods upwards or downwards through the slide blocks on the left and right sides, the two guide rods move upwards or downwards to drive the guide plates to move upwards or downwards, thus the position of the test holes can be adjusted according to the height of the patients to better test, under the action of the left spring and the right spring, the left deflector rod and the right deflector rod and the fixture blocks are reset, and the fixture blocks are clamped in the corresponding clamping grooves to fix the position of the guide plate.
The medical personnel can rotate the handle to drive the reel to rotate positively, the left pull rope and the right pull rope drive the pull rods on the left side and the right side and pull the pull rods in opposite directions, the first pulley and the second pulley play a role in guiding, the pull rods on the left side and the right side move in opposite directions to drive the clamping blocks on the left side and the right side to move in opposite directions, the springs on the left side and the right side are compressed, so that the clamping blocks on the left side and the right side are separated from the grooves on the left side and the right side, at the moment, the medical personnel can move two guide rods upwards or downwards through the sliding blocks on the left side and the right side, the two guide rods move upwards or downwards to drive the guide plates to move upwards or downwards, so that the position of the test hole can be adjusted according to the height of the patient, the vision of the patient can be better tested, after the medical personnel adjusts the position of the test, the left and right sides driving lever and the fixture block reset, the fixture block is clamped into the corresponding clamping groove, and the position of the guide plate is fixed, so that the position of the guide plate can be adjusted more conveniently.
Medical personnel hold the second rocking arm and corotation, the corotation of second rocking arm drives the corotation of third pulley, remove right through wire rope pulling connecting clamp, the third pulley plays the guide effect, the connecting clamp removes right and drives the baffle and remove right, hold the second rocking arm and the reversal when medical personnel, the reversal of second rocking arm drives the reversal of third pulley, remove left through wire rope pulling connecting clamp, the third pulley plays the guide effect, the connecting clamp removes left and drives the baffle and remove left, so can make the patient see the different direction of sign, increase the effect of test.
Medical personnel hold first rocking arm and corotation or reversal second axostylus axostyle, and second axostylus axostyle corotation or reversal drive second spool corotation or reversal to drive the visual chart and rotate, the brush pole cleans the visual chart, prevents that the visual chart surface from having a lot of dusts, leads to the patient to see unclear sign.
Has the advantages that: according to the invention, medical staff hold the first rocker arm and rotate the second shaft rod forwards or backwards, the second shaft rod rotates forwards or backwards to drive the second reel to rotate forwards or backwards, so that the visual chart is driven to rotate, the sizes of symbols seen from the test holes by patients are different, the vision of the patients is tested, the medical staff can adjust the position of the test holes by moving the guide plate upwards or downwards, the vision of the patients is better tested, and the medical staff can move the guide plate leftwards or rightwards through the steel wire rope, so that the patients can see the directions with different symbols.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged schematic view of the slider of the present invention.
Wherein the figures include the following reference numerals: 1. bottom bracket, 2, U-shaped bracket, 201, sliding groove, 202, groove, 3, first bearing, 4, first shaft lever, 5, first reel, 6, second bearing, 7, second shaft lever, 8, second reel, 9, first rocker arm, 10, visual chart, 11, slider, 1101, circular groove, 1102, guide groove, 1103, spring, 1104, fixture block, 1105, deflector rod, 12, guide rod, 13, guide plate, 1301, guide hole, 1302, test hole, 14, mounting plate, 15, reel, 16, turning handle, 17, left pull rope, 18, right pull rope, 19, first pulley, 20, second pulley, 21, vertical support plate, 22, third pulley, 23, fourth pulley, 24, steel wire rope, 25, second rocker arm, 26, connecting clamp, 27, left orifice plate, 28, right orifice plate, 29, brush rod.
Detailed Description
It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.
Example 1
An ophthalmic vision test meter is shown in fig. 1-2, and comprises a bottom bracket 1, a U-shaped bracket 2, a first bearing 3, a first shaft rod 4, a first scroll 5, a second bearing 6, a second shaft rod 7, a second scroll 8, a first rocker 9, a vision test meter 10, a slide block 11, a spring 1103, a fixture block 1104, a shift lever 1105, a guide rod 12 and a guide plate 13, wherein the top of the bottom bracket 1 is connected with the U-shaped bracket 2, the left side and the right side of the U-shaped bracket 2 are respectively provided with a chute 201, the left wall of the chute 201 on the left side and the right wall of the chute 201 on the right side are respectively and uniformly provided with a plurality of grooves 202, the lower parts of the left side and the right side of the U-shaped bracket 2 are respectively provided with the first bearing 3, the first shaft rod 4 is connected in the first bearing 3 in an interference manner, the first shaft rod 5 is connected on the first shaft rod 4, the top of the left side and, the second shaft lever 7 is connected with a second reel 8, the right end of the second shaft lever 7 is connected with a first rocker arm 9, a visual chart 10 is wound between the first reel 5 and the second reel 8, sliding blocks 11 are connected to sliding grooves 201 on the left side and the right side in a sliding mode, circular grooves 1101 are formed in the middle of the outer sides of the sliding blocks 11 on the left side and the right side, guide grooves 1102 are formed in the outer portions of the front sides of the sliding blocks 11 on the left side and the right side in a sliding mode, the guide grooves 1102 are communicated with the circular grooves 1101, clamping blocks 1104 are connected to the sliding blocks 1101 in the circular grooves 1101 in a sliding mode, shifting rods 1105 are connected to the clamping blocks 1104 and penetrate through the circular grooves 1101, springs 1103 are connected between the clamping blocks 1104 and the sliding blocks 11, the springs 1103 are located in the guide grooves 1102, two guide rods 12 are connected between the sliding blocks 11 on the left side and the right side, guide plates 12 are connected with guide.
Example 2
An ophthalmic vision test meter is shown in fig. 1-2, and comprises a bottom bracket 1, a U-shaped bracket 2, a first bearing 3, a first shaft rod 4, a first scroll 5, a second bearing 6, a second shaft rod 7, a second scroll 8, a first rocker 9, a vision test meter 10, a slide block 11, a spring 1103, a fixture block 1104, a shift lever 1105, a guide rod 12 and a guide plate 13, wherein the top of the bottom bracket 1 is connected with the U-shaped bracket 2, the left side and the right side of the U-shaped bracket 2 are respectively provided with a chute 201, the left wall of the chute 201 on the left side and the right wall of the chute 201 on the right side are respectively and uniformly provided with a plurality of grooves 202, the lower parts of the left side and the right side of the U-shaped bracket 2 are respectively provided with the first bearing 3, the first shaft rod 4 is connected in the first bearing 3 in an interference manner, the first shaft rod 5 is connected on the first shaft rod 4, the top of the left side and, the second shaft lever 7 is connected with a second reel 8, the right end of the second shaft lever 7 is connected with a first rocker arm 9, a visual chart 10 is wound between the first reel 5 and the second reel 8, sliding blocks 11 are connected to sliding grooves 201 on the left side and the right side in a sliding mode, circular grooves 1101 are formed in the middle of the outer sides of the sliding blocks 11 on the left side and the right side, guide grooves 1102 are formed in the outer portions of the front sides of the sliding blocks 11 on the left side and the right side in a sliding mode, the guide grooves 1102 are communicated with the circular grooves 1101, clamping blocks 1104 are connected to the sliding blocks 1101 in the circular grooves 1101 in a sliding mode, shifting rods 1105 are connected to the clamping blocks 1104 and penetrate through the circular grooves 1101, springs 1103 are connected between the clamping blocks 1104 and the sliding blocks 11, the springs 1103 are located in the guide grooves 1102, two guide rods 12 are connected between the sliding blocks 11 on the left side and the right side, guide plates 12 are connected with guide.
Still including mounting panel 14, the winding wheel 15, the turning handle 16, left side stay cord 17, right stay cord 18, first pulley 19 and second pulley 20, the top of top guide arm 12 is connected with mounting panel 14, the winding wheel 15 is installed to the last rotation type of mounting panel 14, be connected with turning handle 16 on the winding wheel 15, equal rotation type is connected with first pulley 19 and second pulley 20 on the slider 11 of the left and right sides, around having left stay cord 17 and right stay cord 18 on the winding wheel 15, left side stay cord 17 walks around left side second pulley 20 and first pulley 19 in proper order and is connected with left driving lever 1105, right side stay cord 18 walks around right side second pulley 20 and first pulley 19 in proper order and is connected with right driving lever 1105.
Example 3
An ophthalmic vision test meter is shown in fig. 1-2, and comprises a bottom bracket 1, a U-shaped bracket 2, a first bearing 3, a first shaft rod 4, a first scroll 5, a second bearing 6, a second shaft rod 7, a second scroll 8, a first rocker 9, a vision test meter 10, a slide block 11, a spring 1103, a fixture block 1104, a shift lever 1105, a guide rod 12 and a guide plate 13, wherein the top of the bottom bracket 1 is connected with the U-shaped bracket 2, the left side and the right side of the U-shaped bracket 2 are respectively provided with a chute 201, the left wall of the chute 201 on the left side and the right wall of the chute 201 on the right side are respectively and uniformly provided with a plurality of grooves 202, the lower parts of the left side and the right side of the U-shaped bracket 2 are respectively provided with the first bearing 3, the first shaft rod 4 is connected in the first bearing 3 in an interference manner, the first shaft rod 5 is connected on the first shaft rod 4, the top of the left side and, the second shaft lever 7 is connected with a second reel 8, the right end of the second shaft lever 7 is connected with a first rocker arm 9, a visual chart 10 is wound between the first reel 5 and the second reel 8, sliding blocks 11 are connected to sliding grooves 201 on the left side and the right side in a sliding mode, circular grooves 1101 are formed in the middle of the outer sides of the sliding blocks 11 on the left side and the right side, guide grooves 1102 are formed in the outer portions of the front sides of the sliding blocks 11 on the left side and the right side in a sliding mode, the guide grooves 1102 are communicated with the circular grooves 1101, clamping blocks 1104 are connected to the sliding blocks 1101 in the circular grooves 1101 in a sliding mode, shifting rods 1105 are connected to the clamping blocks 1104 and penetrate through the circular grooves 1101, springs 1103 are connected between the clamping blocks 1104 and the sliding blocks 11, the springs 1103 are located in the guide grooves 1102, two guide rods 12 are connected between the sliding blocks 11 on the left side and the right side, guide plates 12 are connected with guide.
Still including mounting panel 14, the winding wheel 15, the turning handle 16, left side stay cord 17, right stay cord 18, first pulley 19 and second pulley 20, the top of top guide arm 12 is connected with mounting panel 14, the winding wheel 15 is installed to the last rotation type of mounting panel 14, be connected with turning handle 16 on the winding wheel 15, equal rotation type is connected with first pulley 19 and second pulley 20 on the slider 11 of the left and right sides, around having left stay cord 17 and right stay cord 18 on the winding wheel 15, left side stay cord 17 walks around left side second pulley 20 and first pulley 19 in proper order and is connected with left driving lever 1105, right side stay cord 18 walks around right side second pulley 20 and first pulley 19 in proper order and is connected with right driving lever 1105.
Still including erecting extension board 21, third pulley 22, fourth pulley 23, wire rope 24, connecting clamp 26 and second rocking arm 25, the bottom of left and right sides slider 11 all is connected with perpendicular extension board 21, the last rotation type of the left side perpendicular extension board 21 is connected with third pulley 22, the last rotation type of the right side perpendicular extension board 21 is connected with fourth pulley 23, the bottom of baffle 13 is connected with connecting clamp 26, around having wire rope 24 on third pulley 22 and the fourth pulley 23, wire rope 24 is connected with connecting clamp 26, be connected with second rocking arm 25 on the fourth pulley 23.
Example 4
An ophthalmic vision test meter is shown in fig. 1-2, and comprises a bottom bracket 1, a U-shaped bracket 2, a first bearing 3, a first shaft rod 4, a first scroll 5, a second bearing 6, a second shaft rod 7, a second scroll 8, a first rocker 9, a vision test meter 10, a slide block 11, a spring 1103, a fixture block 1104, a shift lever 1105, a guide rod 12 and a guide plate 13, wherein the top of the bottom bracket 1 is connected with the U-shaped bracket 2, the left side and the right side of the U-shaped bracket 2 are respectively provided with a chute 201, the left wall of the chute 201 on the left side and the right wall of the chute 201 on the right side are respectively and uniformly provided with a plurality of grooves 202, the lower parts of the left side and the right side of the U-shaped bracket 2 are respectively provided with the first bearing 3, the first shaft rod 4 is connected in the first bearing 3 in an interference manner, the first shaft rod 5 is connected on the first shaft rod 4, the top of the left side and, the second shaft lever 7 is connected with a second reel 8, the right end of the second shaft lever 7 is connected with a first rocker arm 9, a visual chart 10 is wound between the first reel 5 and the second reel 8, sliding blocks 11 are connected to sliding grooves 201 on the left side and the right side in a sliding mode, circular grooves 1101 are formed in the middle of the outer sides of the sliding blocks 11 on the left side and the right side, guide grooves 1102 are formed in the outer portions of the front sides of the sliding blocks 11 on the left side and the right side in a sliding mode, the guide grooves 1102 are communicated with the circular grooves 1101, clamping blocks 1104 are connected to the sliding blocks 1101 in the circular grooves 1101 in a sliding mode, shifting rods 1105 are connected to the clamping blocks 1104 and penetrate through the circular grooves 1101, springs 1103 are connected between the clamping blocks 1104 and the sliding blocks 11, the springs 1103 are located in the guide grooves 1102, two guide rods 12 are connected between the sliding blocks 11 on the left side and the right side, guide plates 12 are connected with guide.
Still including mounting panel 14, the winding wheel 15, the turning handle 16, left side stay cord 17, right stay cord 18, first pulley 19 and second pulley 20, the top of top guide arm 12 is connected with mounting panel 14, the winding wheel 15 is installed to the last rotation type of mounting panel 14, be connected with turning handle 16 on the winding wheel 15, equal rotation type is connected with first pulley 19 and second pulley 20 on the slider 11 of the left and right sides, around having left stay cord 17 and right stay cord 18 on the winding wheel 15, left side stay cord 17 walks around left side second pulley 20 and first pulley 19 in proper order and is connected with left driving lever 1105, right side stay cord 18 walks around right side second pulley 20 and first pulley 19 in proper order and is connected with right driving lever 1105.
Still including erecting extension board 21, third pulley 22, fourth pulley 23, wire rope 24, connecting clamp 26 and second rocking arm 25, the bottom of left and right sides slider 11 all is connected with perpendicular extension board 21, the last rotation type of the left side perpendicular extension board 21 is connected with third pulley 22, the last rotation type of the right side perpendicular extension board 21 is connected with fourth pulley 23, the bottom of baffle 13 is connected with connecting clamp 26, around having wire rope 24 on third pulley 22 and the fourth pulley 23, wire rope 24 is connected with connecting clamp 26, be connected with second rocking arm 25 on the fourth pulley 23.
The U-shaped bracket 2 is characterized by further comprising a left orifice plate 27, a right orifice plate 28 and a brush rod 29, wherein the lower parts of the inner left side and the inner right side of the U-shaped bracket 2 are respectively connected with the left orifice plate 27 and the right orifice plate 28, and the brush rod 29 is rotatably connected between the left orifice plate 27 and the right orifice plate 28.
When the invention is needed, the medical staff holds the first rocker arm 9 to rotate the second shaft lever 7 forwardly or reversely to drive the visual chart 10 to rotate, so that the sizes of the symbols seen by the patients from the test hole 1302 are different to test the vision of the patients, the medical staff can hold the deflector rods 1105 at the left and right sides and pull the deflector rods 1105 oppositely, the deflector rods 1105 at the left and right sides move oppositely to drive the fixture blocks 1104 at the left and right sides to move oppositely, the springs 1103 at the left and right sides are compressed to make the fixture blocks 1104 at the left and right sides separate from the grooves 202 at the left and right sides, at the moment, the medical staff can move the two guide rods 12 upwards or downwards through the slide blocks 11 at the left and right sides, the two guide rods 12 move upwards or downwards to drive the guide plate 13 to move upwards or downwards, so that the position of the test hole 1302 can be adjusted according to the height of the patients to better test the vision of the, the medical staff does not hold the shift lever 1105 on the left and right sides any more, and under the action of the left and right springs 1103, the shift lever 1105 on the left and right sides and the fixture block 1104 are reset, and the fixture block 1104 is clamped into the corresponding clamping groove to fix the position of the guide plate 13.
The medical staff can rotate the handle 16 to drive the reel 15 to rotate positively, the left pull rope 17 and the right pull rope 18 drive the shift levers 1105 on the left and right sides and pull in opposite directions, the first pulley 19 and the second pulley 20 play a guiding role, the shift levers 1105 on the left and right sides move in opposite directions to drive the clamping blocks 1104 on the left and right sides to move in opposite directions, the springs 1103 on the left and right sides are compressed, so that the clamping blocks 1104 on the left and right sides are separated from the grooves 202 on the left and right sides, at the moment, the medical staff can move the two guide rods 12 upwards or downwards through the sliding blocks 11 on the left and right sides, the two guide rods 12 move upwards or downwards to drive the guide plate 13 to move upwards or downwards, thus the position of the test hole 1302 can be adjusted according to the height of the patient, the vision of the patient can be better tested, after the medical staff adjusts the position of the test hole 1302 to a proper position, the first pulley 19 and the second pulley 20 play a guiding role, under the action of the left spring 1103 and the right spring 1103, the left shifting lever 1105 and the clamping block 1104 on the left side and the right side are reset, the clamping block 1104 is clamped into the clamping groove corresponding to the clamping block, the position of the guide plate 13 is fixed, and therefore the position of the guide plate 13 can be adjusted more conveniently.
The medical staff holds the second rocker arm 25 and rotates positively, the second rocker arm 25 rotates positively to drive the third pulley 22 to rotate positively, the connecting clamp 26 is pulled to move rightwards through the steel wire rope 24, the third pulley 22 plays a role in guiding, the connecting clamp 26 moves rightwards to drive the guide plate 13 to move rightwards, when the medical staff holds the second rocker arm 25 and rotates reversely, the second rocker arm 25 rotates reversely to drive the third pulley 22 to rotate reversely, the connecting clamp 26 is pulled to move leftwards through the steel wire rope 24, the third pulley 22 plays a role in guiding, the connecting clamp 26 moves leftwards to drive the guide plate 13 to move leftwards, so that the patient can see directions with different symbols, and the testing.
Medical personnel hold first rocking arm 9 and corotation or reversal second axostylus axostyle 7, and second axostylus axostyle 7 corotation or reversal drive second spool 8 corotation or reversal to drive visual chart 10 and rotate, brush rod 29 cleans visual chart 10, prevents that visual chart 10 surface from having a lot of dusts, leads to the patient to see unclear sign.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. The utility model provides an ophthalmology eyesight test table, including the end support, U type support, first bearing, first axostylus axostyle and first spool, the top of end support is connected with U type support, the spout has all been opened to the both sides about in the U type support, left side spout left side wall and right side spout right side wall are all evenly opened and are had a plurality of recesses, first bearing is all installed to the left and right sides lower part of U type support, the interference is connected with first axostylus axostyle in the first bearing, be connected with first spool on the first axostylus axostyle, characterized by: the visual acuity test stand also comprises a second bearing, a second shaft lever, a second scroll, a first rocker arm, a visual acuity test chart, a sliding block, a spring, a clamping block, a shifting lever, guide rods and guide plates, wherein the second bearing is installed at the tops of the left side and the right side of the U-shaped support, the second shaft lever is connected in the second bearing in an interference mode, the second scroll is connected to the second shaft lever, the first rocker arm is connected to the right end of the second shaft lever, the visual acuity test chart is wound between the first scroll and the second scroll, the sliding grooves on the left side and the right side are connected with the sliding block in a sliding mode, the middle parts of the outer sides of the sliding blocks on the left side and the right side are provided with circular grooves, the outer parts of the front sides of the sliding blocks on the left side and the right side are provided with guide grooves, the guide grooves are communicated with the circular grooves, the clamping block is connected in a sliding, the upper part and the lower part of the guide plate are both provided with guide holes, the guide rod penetrates through the guide holes, and the middle part of the guide plate is provided with a test hole; still including the mounting panel, the winding wheel, the turning handle, left stay cord, right stay cord, first pulley and second pulley, the top of top guide arm is connected with the mounting panel, the winding wheel is installed to the rotation type on the mounting panel, be connected with the turning handle on the winding wheel, equal rotary type is connected with first pulley and second pulley on the slider of the left and right sides, around having left stay cord and right stay cord on the winding wheel, left side second pulley and first pulley are walked around in proper order to the left stay cord and are connected with the left driving lever, right side second pulley and first pulley are walked around in proper order to the right stay cord and are connected with right driving lever.
2. An ophthalmic vision test chart according to claim 1, wherein: still including erecting extension board, third pulley, fourth pulley, wire rope, connecting clamp and second rocking arm, the bottom of the left and right sides slider all is connected with perpendicular extension board, and the rotation type is connected with the third pulley on the perpendicular extension board in left side, and the rotation type is connected with the fourth pulley on the perpendicular extension board in right side, and the bottom of baffle is connected with the connecting clamp, and around having wire rope on third pulley and the fourth pulley, wire rope is connected with the connecting clamp, is connected with the second rocking arm on the fourth pulley.
3. An ophthalmic vision test chart according to claim 2, wherein: the U-shaped bracket is characterized by further comprising a left pore plate, a right pore plate and a brush rod, wherein the lower parts of the inner left side and the inner right side of the U-shaped bracket are respectively connected with the left pore plate and the right pore plate, and the brush rod is rotatably connected between the left pore plate and the right pore plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811143978.8A CN109199318B (en) | 2018-09-29 | 2018-09-29 | Ophthalmology eyesight test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811143978.8A CN109199318B (en) | 2018-09-29 | 2018-09-29 | Ophthalmology eyesight test table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109199318A CN109199318A (en) | 2019-01-15 |
| CN109199318B true CN109199318B (en) | 2020-12-22 |
Family
ID=64982384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811143978.8A Expired - Fee Related CN109199318B (en) | 2018-09-29 | 2018-09-29 | Ophthalmology eyesight test table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109199318B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909605A (en) * | 2019-04-26 | 2019-06-21 | 天津宏光伟业激光科技有限公司 | A kind of multidirectional adjusting bracket and laser mark printing device for laser marking |
| CN112401870A (en) * | 2020-11-23 | 2021-02-26 | 湖北昇源机械设备有限公司 | Supplementary nuclear magnetic resonance waist fixing device |
| CN114983335B (en) * | 2022-07-18 | 2023-07-18 | 山东大学齐鲁医院 | Teenager vision self-help testing device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2355540A (en) * | 1999-10-13 | 2001-04-25 | Univ London | Visual acuity chart display and measurement apparatus |
| CN201001721Y (en) * | 2007-01-25 | 2008-01-09 | 上海市民办文绮中学 | Anti-cheat eyesight test chart |
| CN202136318U (en) * | 2011-05-30 | 2012-02-08 | 杨润华 | Remote-control scrolling visual chart box |
| CN202654101U (en) * | 2012-07-03 | 2013-01-09 | 刘梅 | Eye chart |
| CN203169143U (en) * | 2013-04-12 | 2013-09-04 | 上海电机学院 | Transformable visual chart |
| CN205374884U (en) * | 2016-01-26 | 2016-07-06 | 江苏远燕医疗设备有限公司 | See piece and survey two unification lamp houses of eyesight |
| CN106859587A (en) * | 2017-03-08 | 2017-06-20 | 苏州科技大学 | A kind of spool multiaspect visual chart |
| CN108185982A (en) * | 2018-02-13 | 2018-06-22 | 唐春桃 | A kind of medical treatment ophthalmic Portable, environmental protective measures eyesight equipment |
| CN108354582A (en) * | 2018-02-06 | 2018-08-03 | 邱长根 | A kind of ophthalmic protection type survey optometric device |
-
2018
- 2018-09-29 CN CN201811143978.8A patent/CN109199318B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2355540A (en) * | 1999-10-13 | 2001-04-25 | Univ London | Visual acuity chart display and measurement apparatus |
| CN201001721Y (en) * | 2007-01-25 | 2008-01-09 | 上海市民办文绮中学 | Anti-cheat eyesight test chart |
| CN202136318U (en) * | 2011-05-30 | 2012-02-08 | 杨润华 | Remote-control scrolling visual chart box |
| CN202654101U (en) * | 2012-07-03 | 2013-01-09 | 刘梅 | Eye chart |
| CN203169143U (en) * | 2013-04-12 | 2013-09-04 | 上海电机学院 | Transformable visual chart |
| CN205374884U (en) * | 2016-01-26 | 2016-07-06 | 江苏远燕医疗设备有限公司 | See piece and survey two unification lamp houses of eyesight |
| CN106859587A (en) * | 2017-03-08 | 2017-06-20 | 苏州科技大学 | A kind of spool multiaspect visual chart |
| CN108354582A (en) * | 2018-02-06 | 2018-08-03 | 邱长根 | A kind of ophthalmic protection type survey optometric device |
| CN108185982A (en) * | 2018-02-13 | 2018-06-22 | 唐春桃 | A kind of medical treatment ophthalmic Portable, environmental protective measures eyesight equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109199318A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109199318B (en) | Ophthalmology eyesight test table | |
| CN110427074B (en) | Software testing equipment with shading function and convenient for angle adjustment | |
| CN211093017U (en) | Showcase that stand can go up and down | |
| CN207018979U (en) | A kind of stage lighting apparatus | |
| CN112212151A (en) | Multistation testing arrangement is used in computer software development | |
| CN110302513A (en) | A kind of sport table tennis training service robot | |
| CN112315207B (en) | Changeable teaching desk of desktop area | |
| CN209591333U (en) | A kind of displaying device of novel architectural design management system | |
| CN111948895A (en) | A projection curtain automatic start/stop structure for building teaching | |
| CN109363621B (en) | Color blindness inspection box | |
| CN210696512U (en) | Experiment table with adjustable height | |
| CN110470974A (en) | A kind of board vias Intelligent test device | |
| CN211857842U (en) | Mental psychology is with supplementary board of observing | |
| CN114871959A (en) | Rotary positioning frame for medical equipment maintenance | |
| CN110584400B (en) | Part display device is used in teaching of car specialty | |
| CN208654272U (en) | A kind of fault indicator for overhead lines of push type | |
| CN207930616U (en) | A kind of workbench of searching warrant of automatic deploying and retracting non-woven fabrics | |
| CN109484913A (en) | A kind of cable intelligence line winder | |
| CN109171635B (en) | Ophthalmic bidirectional visual chart | |
| CN218966546U (en) | Intelligent blackboard provided with front-mounted video camera | |
| CN218787997U (en) | Glass sample detection device | |
| CN219775206U (en) | Oral english practice device | |
| CN205122031U (en) | Frictional force teaching device | |
| CN219992401U (en) | Combined frame with protection function for maintaining offshore platform | |
| CN113070117B (en) | Clinical laboratory's inspection test tube is with placing equipment |
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: Wang Zhe Inventor after: Xie Caiyan Inventor before: Xie Caiyan |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201201 Address after: 2-302, building 1, Shengya lvxi garden, Fangzhen Town, Zhangdian District, Zibo City, Shandong Province Applicant after: Wang Zhe Address before: 210019 Room 302, Building 01, New Town Science and Technology Building, 69 Olympic Sports Street, Jianye District, Nanjing City, Jiangsu Province Applicant before: Xie Caiyan |
|
| 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: 20201222 Termination date: 20210929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |