CN209421905U - Visual chart is used in a kind of detection of eyesight - Google Patents
Visual chart is used in a kind of detection of eyesight Download PDFInfo
- Publication number
- CN209421905U CN209421905U CN201821349089.2U CN201821349089U CN209421905U CN 209421905 U CN209421905 U CN 209421905U CN 201821349089 U CN201821349089 U CN 201821349089U CN 209421905 U CN209421905 U CN 209421905U
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- CN
- China
- Prior art keywords
- turntable
- gag lever
- lever post
- fixedly connected
- visual chart
- 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.)
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Abstract
The utility model discloses a kind of eyesight detection visual charts, including strut, the top side of the strut is fixedly connected with fixed column, one end of the fixed column is plugged in the inside of bearing, the side of the bearing is equipped with turntable, the side of the turntable is fixedly connected with stainless steel plate, the side magnetism of the stainless steel plate is connected with magnet, the side magnetism of the magnet is connected with sighting target E, limit plate is fixedly connected in the middle part of the gag lever post, the side of the limit plate is equipped with spring, and spring is socketed on the outside of the gag lever post, one end of the gag lever post is actively plugged in the inside of groove, and groove is located at the other side of the turntable.The utility model changes traditional mode by visual chart suspension on the wall, and sighting target E is adsorbed on stainless steel by magnet, can arbitrarily adjust the direction of the opening of sighting target E, avoids visual chart testee from carrying on the back and reads, improve the accuracy of side view.
Description
Technical field
The utility model relates to eyesight detection technique field, visual chart is used in specially a kind of eyesight detection.
Background technique
Visual chart is the chart for measuring eyesight, and usually used has international standard visual chart, logarithmic visual acuity chart, Lan Shi
(Landolt) ring visual chart.Functionally dividing has near vision test type, distant vision test chart.Visual chart is formulated according to the principle at visual angle.
It tests eyesight and is generally divided into two class of distant vision and near vision, distant vision mostly uses international standard visual chart, this table is 14 row sizes
Different " E " word in different openings direction is formed；Measurement is from 0.1-1.5 (or from 4.0-5.2)；Every row has label, examinee's
It is parallel with 1.0 a line depending on visual chart operating method line, apart from 5 meters of visual chart.
The existing visual chart to give a test of one's eyesight is usually fixed suspension on the wall, sighting target E on visual chart, and every row is each
Opening direction is all fixed and invariable, and the people for being detected eyesight is extremely easy to be recited in advance, so that the eyesight measured
Data are untrue.For this purpose, it is proposed that visual chart is used in a kind of detection of eyesight.
Utility model content
The purpose of this utility model is to provide a kind of eyesight detection visual charts, and sighting target E is adsorbed on not by magnet
It becomes rusty on steel plate, can arbitrarily adjust the direction of the opening of sighting target E, avoid visual chart testee from carrying on the back and read, improve the standard of side view
True property, to solve the problems, such as to propose in above-mentioned background technique to be easy to recite visual chart.
To achieve the above object, the utility model provides the following technical solutions: a kind of eyesight detection visual chart, including branch
Bar, the top side of the strut are fixedly connected with fixed column, and one end of the fixed column is plugged in the inside of bearing, the axis
The side held is equipped with turntable, and the side of the turntable is fixedly connected with stainless steel plate, and the side magnetism of the stainless steel plate connects
It is connected to magnet, the side magnetism of the magnet is connected with sighting target E, and the top of the strut is fixedly connected with hollow sleeve, described
The internal activity of hollow sleeve is plugged with gag lever post, and limit plate is fixedly connected in the middle part of the gag lever post, the limit plate
Side is equipped with spring, and spring is socketed on the outside of the gag lever post, and one end of the gag lever post is actively plugged in the interior of groove
Portion, and groove is located at the other side of the turntable.
Preferably, the other end of the gag lever post is fixedly connected with protruding block.
Preferably, the groove is provided with four groups, and four groups of grooves are angularly distributed in the other side of the turntable.
Preferably, the strut is fixedly connected on the top of pedestal, and the bottom of pedestal is equipped with idler wheel.
Preferably, the idler wheel is provided with four groups, and four groups of idler wheels are uniformly distributed in the bottom of the pedestal.
Preferably, the side of the stainless steel plate is equipped with logarithmic visual acuity chart.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model changes traditional mode by visual chart suspension on the wall, and sighting target E is adsorbed by magnet
On stainless steel, the direction that can arbitrarily adjust the opening of sighting target E avoids visual chart testee from carrying on the back and reads, improves side view
Accuracy；
2, turntable is mounted on one end of fixed column by bearing, is conducive to the rotation of turntable, is conducive to integrated regulation sighting target E
Opening direction gag lever post is inserted into the groove of the turntable other side after adjusting, be conducive to consolidate turntable
It is fixed, prevent turntable from arbitrarily rotating.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the area Tu1Zhong A enlarged structure schematic diagram；
Fig. 3 is the area Tu1Zhong B enlarged structure schematic diagram；
Fig. 4 is the schematic view of the front view of the utility model.
In figure: 1 strut, 2 fixed columns, 3 bearings, 4 turntables, 5 stainless steel plates, 6 magnet, 7 sighting target E, 8 hollow sleeves, 9 limits
Bar, 10 springs, 11 limit plates, 12 grooves, 13 protruding blocks, 14 pedestals, 15 idler wheels, 16 logarithmic visual acuity charts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~4 are please referred to, the utility model provides a kind of technical solution: a kind of eyesight detection visual chart, including strut
1, the top side of the strut 1 is fixedly connected with fixed column 2, and one end of the fixed column 2 is plugged in the inside of bearing 3, institute
The side for stating bearing 3 is equipped with turntable 4, and the side of the turntable 4 is fixedly connected with stainless steel plate 5, and the one of the stainless steel plate 5
Side magnetism is connected with magnet 6, and the side magnetism of the magnet 6 is connected with sighting target E7, during the top of the strut 1 is fixedly connected with
Empty set 8, the internal activity of the hollow sleeve 8 are plugged with gag lever post 9, and the middle part of the gag lever post 9 is fixedly connected with limit
The side of plate 11, the limit plate 11 is equipped with spring 10, and spring 10 is socketed on the outside of the gag lever post 9, the gag lever post 9
One end be actively plugged in the inside of groove 12, and groove 12 is located at the other side of the turntable 4.
Specifically, the other end of the gag lever post 9 is fixedly connected with protruding block 13, which is conducive to pull limit
Bar 9.
Specifically, the groove 12 is provided with four groups, and four groups of grooves 12 are angularly distributed in the another of the turntable 4
Side, four groups of grooves 12 are conducive to gag lever post 9 and fix turntable 4.
Specifically, the strut 1 is fixedly connected on the top of pedestal 14, and the bottom of pedestal 14 is equipped with idler wheel 15, should
Pedestal 14 is conducive to support strut 1, improves the stability of strut 1.
Specifically, the idler wheel 15 is provided with four groups, and four groups of idler wheels 15 are uniformly distributed in the bottom of the pedestal 14, should
Four groups of idler wheels 15 are conducive to whole movement.
Specifically, the side of the stainless steel plate 5 is equipped with logarithmic visual acuity chart 16, which is conducive to sighting target
E7 is placed on corresponding position.
Working principle: in use, sighting target E7 is adsorbed on the corresponding logarithm eyesight in 5 side of stainless steel plate by magnet 6
In table 16, according to the needs of test, the direction of the opening of sighting target E7 is arbitrarily adjusted, avoids visual chart testee from carrying on the back and reads, mention
The accuracy of high side view rotates turntable 4, thus integrated regulation when needing to adjust the direction of whole sighting target E7 opening
Gag lever post 9 is inserted into the groove 12 of the turntable other side by the opening direction of sighting target E7 after adjusting, be conducive to turn
Disk 4 is fixed, and prevents turntable 4 from arbitrarily rotating.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of eyesight detection visual chart, including strut (1), it is characterised in that: the top side of the strut (1) is fixed to be connected
It is connected to fixed column (2), one end of the fixed column (2) is plugged in the inside of bearing (3), and the side of the bearing (3) is equipped with
The side of turntable (4), the turntable (4) is fixedly connected with stainless steel plate (5), the side magnetism connection of the stainless steel plate (5)
Have magnet (6), the side magnetism of the magnet (6) is connected with sighting target E (7), and the top of the strut (1) is fixedly connected with hollow
The internal activity of sleeve (8), the hollow sleeve (8) is plugged with gag lever post (9), is fixedly connected in the middle part of the gag lever post (9)
Have limit plate (11), the side of the limit plate (11) is equipped with spring (10), and spring (10) is socketed on the gag lever post (9)
Outside, one end of the gag lever post (9) is actively plugged in the inside of groove (12), and groove (12) is located at the turntable (4)
The other side.
2. a kind of eyesight detection visual chart according to claim 1, it is characterised in that: the gag lever post (9) it is another
End is fixedly connected with protruding block (13).
3. a kind of eyesight detection visual chart according to claim 1, it is characterised in that: the groove (12) is provided with four
Group, and four groups of grooves (12) are angularly distributed in the other side of the turntable (4).
4. a kind of eyesight detection visual chart according to claim 1, it is characterised in that: the strut (1) is fixedly connected
Idler wheel (15) are installed in the bottom at the top of pedestal (14), and pedestal (14).
5. a kind of eyesight detection visual chart according to claim 4, it is characterised in that: the idler wheel (15) is provided with four
Group, and four groups of idler wheels (15) are uniformly distributed in the bottom of the pedestal (14).
6. a kind of eyesight detection visual chart according to claim 1, it is characterised in that: the one of the stainless steel plate (5)
Side is equipped with logarithmic visual acuity chart (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821349089.2U CN209421905U (en) | 2018-08-21 | 2018-08-21 | Visual chart is used in a kind of detection of eyesight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821349089.2U CN209421905U (en) | 2018-08-21 | 2018-08-21 | Visual chart is used in a kind of detection of eyesight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209421905U true CN209421905U (en) | 2019-09-24 |
Family
ID=68006051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821349089.2U Expired - Fee Related CN209421905U (en) | 2018-08-21 | 2018-08-21 | Visual chart is used in a kind of detection of eyesight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209421905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336299A (en) * | 2020-10-27 | 2021-02-09 | 安徽中视眼科医生集团管理合伙企业(普通合伙) | Vision detection device |
-
2018
- 2018-08-21 CN CN201821349089.2U patent/CN209421905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336299A (en) * | 2020-10-27 | 2021-02-09 | 安徽中视眼科医生集团管理合伙企业(普通合伙) | Vision detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 Termination date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |