CN204600424U - A kind of remote control adjustable visual chart - Google Patents
A kind of remote control adjustable visual chart Download PDFInfo
- Publication number
- CN204600424U CN204600424U CN201520106581.7U CN201520106581U CN204600424U CN 204600424 U CN204600424 U CN 204600424U CN 201520106581 U CN201520106581 U CN 201520106581U CN 204600424 U CN204600424 U CN 204600424U
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- China
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- sighting target
- remote control
- base plate
- guide plate
- fixedly installed
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Abstract
A kind of remote control adjustable visual chart, belongs to visual acuity chart technical field.It comprises the casing be formed by connecting by shell and panel, be arranged in parallel in casing base plate and guide plate, sighting target rotation system is equipped with between base plate and guide plate, guide plate is fixedly installed the control circuit board controlling sighting target rotation system, sighting target rotation system comprises the motor be fixedly installed on base plate, the rotary sleeve be connected with motor-driven, the lampshade fixed with rotary sleeve and the sighting target being fixed on lampshade one end, be equipped with lamp socket in lampshade, lamp socket be fixedly installed one group of LED bulb.This utility model has following beneficial effect: reduce sighting target; Decrease the impact at visual angle, improve the precision of test; Due to remote control, no longer include indicating bar, there is not the impact of indicating bar, simultaneously because each remote control only has the illumination of a class, and sighting target Random-Rotation, eliminate tested person and improve test vision probability by memorizing.
Description
Technical field
This utility model belongs to visual acuity chart technical field, is specifically related to a kind of remote control adjustable visual chart.
Background technology
What general hospital, school gave a test of one's eyesight at present is common visual acuity chart.There is a lot of drawback in them, mainly contains: 1, sighting target is fixed, as long as tested person is intentionally by shorthand, vision at least can improve 2 to 5 class.2, the distant vision test chart height of national standard detecting distance 5 meters has 777 centimetres, and upper and lower span is large, and affect visual angle, this must affect the degree of accuracy of test.3, sighting target is too many, and particularly have good eyesight a bit, the sighting target on side has larger impact to reader sighting target, can make comparisons at short notice.4, indicating bar also has considerable influence to detection.
Utility model content
For prior art Problems existing, the purpose of this utility model is to design the technical scheme providing a kind of remote control adjustable visual chart.
Described a kind of remote control adjustable visual chart, comprise the casing be formed by connecting by shell and panel, it is characterized in that be arrangeding in parallel in described casing base plate and guide plate, sighting target rotation system is equipped with between described base plate and guide plate, described guide plate is fixedly installed the control circuit board controlling sighting target rotation system, described sighting target rotation system comprises the motor be fixedly installed on base plate, the rotary sleeve be connected with motor-driven, the lampshade fixed with rotary sleeve and be fixed on the sighting target of lampshade one end, lamp socket is equipped with in described lampshade, described lamp socket is fixedly installed one group of LED bulb.
Described a kind of remote control adjustable visual chart, is characterized in that described base plate is fixed in shell by the one group of mounting bush arranged, one group of positioning sleeve keeping parallelism by arranging between described base plate and guide plate.
Described a kind of remote control adjustable visual chart, is characterized in that arranging wiring board lining between described control circuit board and guide plate.
Described a kind of remote control adjustable visual chart, is characterized in that being equipped with 14 groups of sighting target rotation systems between described base plate and guide plate, and the sighting target size in 14 groups of described sighting target rotation systems is corresponding with the sighting target size in standard logarithmic distant vision test chart.
Described a kind of remote control adjustable visual chart, the output shaft that it is characterized in that described motor is fixedly installed driving gear, described driving gear engages with the driven gear be fixedly installed on rotary sleeve, by arranging clutch shaft bearing and the second bearings be arranged in guide plate in the soleplate on described rotary sleeve.
Described a kind of remote control adjustable visual chart, is characterized in that being equipped with lining between described driven gear and base plate.
Described a kind of remote control adjustable visual chart, is characterized in that described clutch shaft bearing is located by the clutch shaft bearing lid be fixedly installed on base plate, and the second described bearing is located by the second bearing cap be fixedly installed on guide plate.
Described a kind of remote control adjustable visual chart, it is characterized in that being provided with threading cover in the middle of described clutch shaft bearing lid, described threading cover is positioned at rotary sleeve, the second entrance hole is provided with in described threading cover, described clutch shaft bearing lid left end socket lamp socket, is provided with the first entrance hole between described lamp socket and clutch shaft bearing lid.
Above-mentioned a kind of remote control adjustable visual chart, reasonable in design, compared with prior art there is following beneficial effect: 1, reduce sighting target, each class only has one.Sighting target reduces to 14 from 70 of original national regulations.2, the height of visual acuity chart can reduce by 200 cm, which reduces the impact at visual angle, improves the precision of test.3, due to remote control, no longer include indicating bar, there is not the impact of indicating bar.Simultaneously because each remote control only has the illumination of a class, and sighting target Random-Rotation, eliminate tested person and improve test vision probability by memorizing.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is A-A sectional structure schematic diagram in Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is B-B sectional structure schematic diagram in Fig. 2;
Fig. 5 is C-C sectional structure schematic diagram in Fig. 2;
Fig. 6 is D-D sectional structure schematic diagram in Fig. 1;
Fig. 7 is E-E sectional structure schematic diagram in Fig. 1;
Fig. 8 is F-F sectional structure schematic diagram in Fig. 1;
Fig. 9 is G-G sectional structure schematic diagram in Fig. 1;
Figure 10 is I-I sectional structure schematic diagram in Fig. 1;
Figure 11 is J-J sectional structure schematic diagram in Fig. 1;
Figure 12 is K-K sectional structure schematic diagram in Fig. 1;
Figure 13 is N-N sectional structure schematic diagram in Fig. 1.
In figure: 1-shell; 2-base plate; 3-motor; 4-driving gear; 5-clutch shaft bearing; 6-clutch shaft bearing lid; 7-lining; 8-driven gear; 9-second bearing; 10-second bearing cap; 11-guide plate; 12-mounting bush; 13-positioning sleeve; 14-panel; 15-control circuit board; 16-wiring board lining; 17-lampshade; 18-rotary sleeve; 19-sighting target; 20-LED bulb; 21-lamp socket; 22-first entrance hole; 23-second entrance hole.
Detailed description of the invention
This utility model is further illustrated below in conjunction with Figure of description.
As shown in the figure, a kind of remote control adjustable visual chart comprises the casing be formed by connecting by shell 1 and panel 14, base plate 2 and guide plate 11 is provided with in casing, wherein base plate 2 to be fixed in shell 1 by the one group of mounting bush 12 arranged and to separate with shell 1, one group of positioning sleeve 13 keeping parallelism by arranging between base plate 2 and guide plate 11.Sighting target rotation system is equipped with between base plate 2 and guide plate 11.Guide plate 11 upper end is fixedly installed the control circuit board 15 controlling sighting target rotation system, and both separate by the wiring board lining 16 by arranging between control circuit board 15 and guide plate 11.
Sighting target rotation system comprises the motor 3 be fixedly installed on a base plate 2, the output shaft of motor 3 is fixedly installed driving gear 4, driving gear 4 engages with the driven gear 8 be fixedly installed on rotary sleeve 18, and driven gear 8 and base plate 2 realize the location of driven gear 8 by the lining 7 arranged.Rotary sleeve 18 supports by being arranged on clutch shaft bearing 5 and the second bearing 9 be arranged in guide plate 11 in base plate 2.Clutch shaft bearing 5 is located by the clutch shaft bearing lid 6 be fixedly installed on a base plate 2, and the second bearing 9 is located by the second bearing cap 10 be fixedly installed on guide plate 11.One end of rotary sleeve 18 is fixedly installed lampshade 17, lampshade 17 one end fixation target 19.The size of lampshade 17 is determined by sighting target 19.Threading cover is provided with in the middle of clutch shaft bearing lid 6, threading cover is positioned at rotary sleeve 18, the second entrance hole 23 is provided with in threading cover, clutch shaft bearing lid 6 left end socket lamp socket 21, lamp socket 21 be provided with one group of LED bulb 20(LED bulb 20 number can detect illumination according to the size of sighting target and national standard vision, brightness requirement is arranged), be provided with the first entrance hole 22 between lamp socket 21 and clutch shaft bearing lid 6.The setting of the first entrance hole 22 and the second entrance hole 23, facilitates penetrating of illuminating line, and not by the impact that sighting target rotation system rotates.
In above-mentioned a kind of remote control adjustable visual chart, 14 groups of sighting target rotation systems can be set.These 14 groups of sighting target rotation systems divide 8 row's arrangements, wherein first row arranges 0.1 1 sighting target rotation systems of corresponding standard logarithmic distant vision test chart decimal record, second row arranges 0.12 sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record, 3rd row arranges 0.15 sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record, 4th row arranges 0.2 and 0.25 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record, 5th row arranges 0.3 and 0.4 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record, 6th row arranges 0.5 and 0.6 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record, 7th row arranges 0.8 and 1.0 two sighting target rotation system of corresponding standard logarithmic distant vision test chart decimal record, 8th row arranges 1.2 of corresponding standard logarithmic distant vision test chart decimal record, 1.5 and 2.0 3 sighting target rotation systems.
This utility model is also furnished with remote controller, remote controller is arranged 15 buttons, and one is switch, and 14 is sighting target rotating illuminating button.Just can by rotary knob after switch opens.Press one of them rotary knob, corresponding sighting target Random-Rotation is also positioned at 360 ° × n, 360 ° × n+90 °, 360 ° × n+180 °, the wherein any position of 360 ° × n+270 ° (n is natural number), and illumination is simultaneously opened.Same class needs rechecking, as long as press again once on corresponding button, will rotate once to the sighting target of a new direction random.When changing the sighting target of another class, as long as press selected button, corresponding sighting target Random-Rotation, illumination is opened, and the illumination of former sighting target is closed.
Shown in the above and figure is only preferred implementation of the present utility model.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from this utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a remote control adjustable visual chart, comprise the casing be formed by connecting by shell (1) and panel (14), it is characterized in that be arranged in parallel in described casing base plate (2) and guide plate (11), sighting target rotation system is equipped with between described base plate (2) and guide plate (11), described guide plate (11) is fixedly installed the control circuit board (15) controlling sighting target rotation system, described sighting target rotation system comprises the motor (3) be fixedly installed on base plate (2), the rotary sleeve (18) be in transmission connection with motor (3), the lampshade (17) fixing with rotary sleeve (18) and be fixed on the sighting target (19) of lampshade (17) one end, lamp socket (21) is equipped with in described lampshade (17), described lamp socket (21) is fixedly installed one group of LED bulb (20).
2. a kind of remote control adjustable visual chart as claimed in claim 1, it is characterized in that described base plate (2) is fixed in shell (1) by the one group of mounting bush (12) arranged, one group of positioning sleeve (13) keeping parallelism by arranging between described base plate (2) and guide plate (11).
3. a kind of remote control adjustable visual chart as claimed in claim 1, is characterized in that arranging wiring board lining (16) between described control circuit board (15) and guide plate (11).
4. a kind of remote control adjustable visual chart as claimed in claim 1, it is characterized in that being equipped with 14 groups of sighting target rotation systems between described base plate (2) and guide plate (11), sighting target (19) size in 14 groups of described sighting target rotation systems is corresponding with the sighting target size in standard logarithmic distant vision test chart.
5. a kind of remote control adjustable visual chart as claimed in claim 1, the output shaft that it is characterized in that described motor (3) is fixedly installed driving gear (4), described driving gear (4) engages with the driven gear (8) be fixedly installed on rotary sleeve (18), and described rotary sleeve (18) supports by being arranged on clutch shaft bearing (5) and the second bearing (9) be arranged in guide plate (11) in base plate (2).
6. a kind of remote control adjustable visual chart as claimed in claim 5, is characterized in that being equipped with lining (7) between described driven gear (8) and base plate (2).
7. a kind of remote control adjustable visual chart as claimed in claim 5, it is characterized in that described clutch shaft bearing (5) is located by the clutch shaft bearing lid (6) be fixedly installed on base plate (2), described the second bearing (9) is located by the second bearing cap (10) be fixedly installed on guide plate (11).
8. a kind of remote control adjustable visual chart as claimed in claim 7, it is characterized in that being provided with threading cover in the middle of described clutch shaft bearing lid (6), described threading cover is positioned at rotary sleeve (18), the second entrance hole (23) is provided with in described threading cover, described clutch shaft bearing lid (6) left end socket lamp socket (21), is provided with the first entrance hole (22) between described lamp socket (21) and clutch shaft bearing lid (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520106581.7U CN204600424U (en) | 2015-02-13 | 2015-02-13 | A kind of remote control adjustable visual chart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520106581.7U CN204600424U (en) | 2015-02-13 | 2015-02-13 | A kind of remote control adjustable visual chart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204600424U true CN204600424U (en) | 2015-09-02 |
Family
ID=53953027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520106581.7U Withdrawn - After Issue CN204600424U (en) | 2015-02-13 | 2015-02-13 | A kind of remote control adjustable visual chart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204600424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739362A (en) * | 2015-02-13 | 2015-07-01 | 富阳学院 | Remote control adjustable visual acuity chart |
-
2015
- 2015-02-13 CN CN201520106581.7U patent/CN204600424U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739362A (en) * | 2015-02-13 | 2015-07-01 | 富阳学院 | Remote control adjustable visual acuity chart |
| CN104739362B (en) * | 2015-02-13 | 2016-08-24 | 富阳学院 | A kind of remote control adjustable visual chart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |