CN107837068A - A kind of eyesight detects lamp box - Google Patents
A kind of eyesight detects lamp box Download PDFInfo
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- CN107837068A CN107837068A CN201711202612.9A CN201711202612A CN107837068A CN 107837068 A CN107837068 A CN 107837068A CN 201711202612 A CN201711202612 A CN 201711202612A CN 107837068 A CN107837068 A CN 107837068A
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- 230000004438 eyesight Effects 0.000 title claims abstract description 47
- 230000005611 electricity Effects 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000003384 imaging method Methods 0.000 claims abstract description 24
- 239000011148 porous material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 210000000515 tooth Anatomy 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
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- 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
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- 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
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Eye Examination Apparatus (AREA)
Abstract
The invention belongs to eyesight detection technique field, specifically a kind of eyesight detection lamp box, including casing, imaging plate, baffle plate, feed unit, light emitting module, electricity generation module, telescopic leg and battery；Casing side is provided with imaging plate, and baffle plate is arranged on box house, and aperture is provided with the middle part of baffle plate, and aperture is used to realize pinhole imaging system, and casing both sides external is provided with graduated scale, and eyesight value is record on graduated scale, multiple circular holes are equipped with above graduated scale；Feed unit is connected light emitting module；Feed unit is used for the distance for adjusting light emitting module and aperture；It is different with the position of graduated scale by feed unit, carry out the inspection side of the different eyesight number of degrees；Electricity generation module is located at box house side, for being powered to light emitting module.The present invention is simple in construction, easy to operate, easy to carry, and work is detected especially suitable for the eyesight of remote mountain areas and the child of backward areas.
Description
Technical field
The invention belongs to eyesight detection technique field, specifically a kind of eyesight detection lamp box.
Background technology
Eyes are the most important sense organs of human body, and the external information that people are received about 80% by eyes above is obtained
.In recent years, the ratio of eyesight abnormality crowd is raised year by year, and especially in children population, the phenomenon for visual problems occur is cured
Add universal.And if the visual performance maldevelopment of early stage can not check correction in time, it will cause to ask with the eyesight in all one's life
Topic, the dual injury of physiology and soul is brought to the children in growth, and it is possible to entering a higher school, obtaining employment after influencing whether
Aspect.Therefore, eyesight detection is carried out, to there is the timely PCI of the patient of early vision obstacle, to each family and the whole society
It is all significant.
Existing eyesight detection method mainly utilizes lamp box visual chart, and the visual chart must be then in fixed-site, larger
Space and have in the environment of standard visual acuity chart brightness, can carry out eyesight testing, but for mountain area, remote and backward areas,
This eyesight detection mode can not often be carried out, so being badly in need of providing a kind of portable tool for detecting vision, to be applicable this kind of people
The demand of group.
In consideration of it, a kind of eyesight detection lamp box of the present invention, simple in construction, and it is easy to operate, it is easy to carry；Its is specific
Have the beneficial effect that：
1. a kind of eyesight detection lamp box of the present invention, by setting electricity generation module, carries out self-charging, is convenient for carrying.
2. a kind of eyesight detection lamp box of the present invention, simple in construction using pinhole imaging system principle, easy to operate.
A kind of 3. eyesight detection lamp box of the present invention, by setting multiple luminous patterns, and by selecting different figures
Case is applicable different colonies, increases the interest of child so that child more coordinates eyesight detection activity.
The content of the invention
In order to make up the deficiencies in the prior art, the present invention proposes a kind of eyesight detection lamp box, especially suitable for remote mountain
The eyesight detection work of the child of area and backward areas, the present invention have the characteristics of simple in construction, in light weight, to be easy to carry.
A kind of eyesight detection lamp box of the present invention, including casing, imaging plate, baffle plate, feed unit, light emitting module,
Electricity generation module, telescopic leg and battery；The casing side is provided with imaging plate, and the imaging plate is used to pattern be presented；Institute
State baffle plate and be arranged on box house, casing is divided into two cavitys, light emitting module and imaging plate are separated by the baffle plate；The gear
Aperture is provided with the middle part of plate, the aperture is used to realize pinhole imaging system；The casing both sides external is provided with graduated scale, on graduated scale
Record eyesight value, be provided with multiple circular holes above the graduated scale, circular hole can spacing card live the guide pillar of feed unit；The case
Internal portion both sides are provided with chute, and the chute is used for the feed unit that is connected；The feed unit is located at box house, institute
Feed unit is stated to be connected light emitting module；The feed unit is used for the distance for adjusting light emitting module and aperture, leads to simultaneously
It is different with the position of graduated scale to cross feed unit, carries out the inspection side of the different eyesight number of degrees；The electricity generation module is located at box house
Side, for being powered to light emitting module；The electricity generation module is connected with feed unit, is produced by the motion of feed unit
Raw electric energy；The battery is arranged on box house, and the battery is used to storing electric energy caused by electricity generation module, and to luminous
Module for power supply；The lower box is provided with contraction type supporting leg, for supporting whole device；Wherein,
The feed unit includes slide rail, sliding block, screw rod, runner, feed nut and guide pillar；The slide rail is arranged on casing
It is internal；The slide rail section is arranged to T-shaped；The sliding block lower end is provided with the T-slot of mating connection slide rail, and the sliding block can
Slided along slide rail；Described screw rod one end is rotatablely connected sliding block, and the screw rod other end is stretched out outside casing, and turns with casing
Dynamic connection, the runner is located at outside casing, and is connected to screw end head；Described screw rod one end is symmetrical arranged two conical tooths
Wheel；The angular wheel is used for the electricity generation module that is connected, and when runner rotates forward, sliding block is in slide rail one end, the first alternator shaft
On first bevel gear and screw rod set angular wheel engagement, realize the first electrical power generators；When runner inverts, spiral shell is pulled
Bar, sliding block is placed in the slide rail other end, the angular wheel that now second bevel gear on the second alternator shaft and screw rod are set
Engagement, realizes the second electrical power generators；The feed nut is screwed on screw rod, and the feed nut is luminous for being connected
Module, nut movement drive light emitting module movement, realize the distance regulation of light emitting module and aperture；The feed nut both sides are set
There is guide pillar；In the guide pillar termination insertion casing chute, the guide pillar termination can be caught on the outside of casing and be set above graduated scale
Circular hole in, rotating wheel guide pillar termination is blocked in circular hole successively, the eyesight value on corresponding high scale chi, realizes the inspection of eyesight
Survey.
Preferably, the electricity generation module includes the first generator, first bevel gear, the second generator and second bevel gear；
First generator is arranged on box house, and first bevel gear is connected on first alternator shaft；Second hair
Motor is arranged on box house, and second generator and the first Generator Symmetric are arranged, are connected on second alternator shaft
Then second bevel gear；The angular wheel engagement that the first bevel gear and second bevel gear can be set with screw rod, feeding
Unit motion direction is different, and used generator is also different, to ensure the fixation of generator steering.
Preferably, the light emitting module include connecting plate, shutter, rotating disk, spin, spring, block, No.1 bevel gear,
No. two bevel gears, connecting rod and knob；Described connecting plate one end is connected on the feed nut of feed unit, and feed nut or so moves
It is dynamic to drive light emitting module movement；The connecting plate other end is connected to shutter, and the shutter upper end is provided with square breach, uses
In the independent irradiation for realizing different luminous patterns；The rotating disk is rotatably connected on shutter side, is at least set inside the rotating disk
Three luminous patterns are put, rotating disk is rotated, switches different luminous patterns；The rotating disk periphery at least provided with three circular nocks,
The intraoral portion of arc of circle is provided with spin, and described spin one end is provided with spring, and the spring one end is provided with block, and the block connects
It is connected on shutter, realizes the fixation of each rotational angle of rotating disk；The rotating disk side is provided with No.1 bevel gear；The No.1 cone
Gear is meshed with No. two bevel gears, and No. two bevel gears are connected to connecting rod, and the notch that the connecting rod is set by casing is stretched
Outside outlet, the link end is connected to knob, and the knob can drive rotating disk to rotate.
Preferably, the guide pillar termination is provided with guide pillar hole, and garter spring, the garter spring are provided with the guide pillar hole
Termination is connected to steel ball, and the steel ball can be stuck on the outer mother rib lateral rotundum of casing, and rotating wheel, guide pillar is stuck in circle on the outside of casing successively
Kong Shang, it is corresponding in turn to different eyesight values.
Preferably, both sides are provided with cylindrical hole inside the T-slot of the sliding block, and No.1 spring, institute are provided with the cylindrical hole
State No.1 spring one end and be provided with round pin, the round pin can be pressed into cylindrical hole；The slide rail both sides are provided with spherical pore, described
Spherical pore blocks round pin for cooperation, and by setting round pin and spherical pore, when sliding block is moved to the termination of slide rail, round pin blocks
Enter in spherical pore, be moved easily and fix sliding block.
Beneficial effects of the present invention are as follows：
1. a kind of eyesight detection lamp box of the present invention, by setting electricity generation module, carries out self-charging, is convenient for carrying.
2. a kind of eyesight detection lamp box of the present invention, simple in construction using pinhole imaging system principle, easy to operate.
A kind of 3. eyesight detection lamp box of the present invention, by setting multiple luminous patterns, and by selecting different figures
Case is applicable different colonies, increases the interest of child so that child more coordinates eyesight detection activity.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is A-A sectional views in Fig. 1；
Fig. 4 is B-B sectional views in Fig. 3；
Fig. 5 is Fig. 1 slide block structure figures；
Fig. 6 is Fig. 1 rail structure figures；
In figure：Casing 1, graduated scale 11, circular hole 12, chute 13, imaging plate 2, baffle plate 3, aperture 31, feed unit 4, slide rail
41st, spherical pore 411, sliding block 42, cylindrical hole 421, No.1 spring 422, round pin 423, screw rod 43, runner 44, feed nut 45, lead
Post 46, guide pillar hole 461, garter spring 462, steel ball 463, light emitting module 5, connecting plate 51, shutter 52, rotating disk 53, illuminated diagram
Case 531, circular nock 532, spin 54, spring, block 55,56, No. two bevel gears 57 of No.1 bevel gear, connecting rod 58, knob 59,
Electricity generation module 6, the first motor 61, first bevel gear 62, the second motor 63, second bevel gear 64, telescopic leg 7.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Embodiment is closed, the present invention is expanded on further.
As shown in Figures 1 to 6, a kind of eyesight detection lamp box of the present invention, including casing 1, imaging plate 2, baffle plate 3,
Feed unit 4, light emitting module 5, electricity generation module 6, telescopic leg 7 and battery；The side of casing 1 is provided with imaging plate 2, institute
Imaging plate 2 is stated to be used to pattern be presented；The baffle plate 3 is arranged on inside casing 1, and casing 1 is divided into two cavitys by the baffle plate 3,
Light emitting module 5 and imaging plate 2 are separated；The middle part of baffle plate 3 is provided with aperture 31, and the aperture 31 is used to realize pinhole imaging system；
The both sides external of casing 1 is provided with graduated scale 11, and eyesight value is record on graduated scale 11, and the top of graduated scale 11 is provided with more
Individual circular hole 12, circular hole 12 can spacing card live the guide pillar 46 of feed unit 4,；The inside both sides of casing 1 are provided with chute 13,
The chute 13 is used for the feed unit 4 that is connected；The feed unit 4 is located inside casing 1, and the feed unit 4 coordinates
It is connected to light emitting module 5；The feed unit 4 is used for the distance for adjusting light emitting module 5 and aperture 31, while passes through feed unit
4 is different with the position of graduated scale 11, carry out the inspection side of the different eyesight number of degrees；The electricity generation module 6 is located at the interior side of casing 1,
For being powered to light emitting module 5；The electricity generation module 6 is connected with feed unit 4, is produced by the motion of feed unit 4
Raw electric energy；The battery is arranged on inside casing 1, and the battery is used to store electric energy caused by electricity generation module 6, and to hair
Optical module 5 is powered；The bottom of casing 1 is provided with contraction type supporting leg 7, for supporting whole device；Wherein,
The feed unit 4 includes slide rail 41, sliding block 42, screw rod 43, runner 44, feed nut 45 and guide pillar 46；It is described
Slide rail 41 is arranged on inside casing 1, and the section of slide rail 41 is arranged to T-shaped；The lower end of sliding block 42 is provided with mating connection and slided
The T-slot of rail 41, the sliding block 42 can slide along slide rail 41；Described one end of screw rod 43 is rotatablely connected sliding block 42, described
The other end of screw rod 43 is stretched out outside casing 1, and is rotatablely connected with casing 1, and the runner 44 is located at outside casing 1, and is connected to
The termination of screw rod 43；Described one end of screw rod 43 is symmetrical arranged two angular wheels；The angular wheel is used for the generating mould that is connected
Block 6, when runner 44 rotates forward, first bevel gear 62 and screw rod 43 of the sliding block 42 on one end of slide rail 41, the rotating shaft of the first generator 61
The angular wheel engagement of setting, realizes that the first generator 61 generates electricity；When runner 44 inverts, screw rod 43 is pulled, sliding block 42 is placed in
The other end of slide rail 41, the angular wheel engagement that second bevel gear 64 and screw rod 43 in the now rotating shaft of the second generator 63 are set,
Realize that the second generator 63 generates electricity；The feed nut 45 is screwed on screw rod 43, and the feed nut 45 is used to be connected
Light emitting module 5, the movement of nut 45 drive light emitting module 5 to move, and realize the distance regulation of light emitting module 5 and aperture 31；It is described enter
Guide pillar 46 is provided with to the both sides of nut 45；In the termination of the guide pillar 46 insertion chute 13 of casing 1, the termination of guide pillar 46 can be caught in
In the circular hole 12 that the top of 1 outside graduated scale of casing 11 is set, the termination of rotating wheel guide pillar 46 is blocked in circular hole 12 successively, in correspondence
Eyesight value on graduated scale 11, realizes the detection of eyesight.
As one embodiment of the present invention, the electricity generation module 6 include the first generator 61, first bevel gear 62,
Second generator 63 and second bevel gear 64；First generator 61 is arranged on inside casing 1,61 turns of first generator
First bevel gear 62 is connected on axle；Second generator 63 is arranged on inside casing 1, second generator 63 and first
Generator 61 is arranged symmetrically, and second bevel gear 64 is connected in the rotating shaft of the second generator 63；The He of first bevel gear 62
The angular wheel engagement that second bevel gear 64 can be set with screw rod 43, the direction of motion of feed unit 4 is different, used hair
Motor is also different, to ensure the fixation of generator steering.
As one embodiment of the present invention, the light emitting module 5 includes connecting plate 51, shutter 52, rotating disk 53, rolling
Ball 54, spring, block 55,56, No. two bevel gears 57 of No.1 bevel gear, connecting rod 58 and knob 59；Described one end of connecting plate 51 connects
It is connected on the feed nut 45 of feed unit 4, feed nut 45, which moves left and right, drives light emitting module 5 to move；The connecting plate 51
The other end is connected to shutter 52, and the upper end of shutter 52 is provided with square breach, for realizing the list of different luminous patterns 531
Solely irradiation；The rotating disk 53 is rotatably connected on the side of shutter 52, at least provided with three luminous patterns inside the rotating disk 53
531, rotating disk 53 is rotated, switches different luminous patterns 531；The periphery of rotating disk 53 is at least provided with three circular nocks 532, institute
State the circular inside of nock 532 and be provided with spin 54, described one end of spin 54 is provided with spring, and the spring one end is provided with block 55, institute
State block 55 to be connected on shutter 52, realize the fixation of 53 each rotational angle of rotating disk；The side of rotating disk 53 is provided with No.1
Bevel gear 56；The No.1 bevel gear 56 is meshed with No. two bevel gears 57, and No. two bevel gears 57 are connected to connecting rod 58, institute
State the notch that connecting rod 58 is set by casing 1 to stretch out outside case, the termination of connecting rod 58 is connected to knob 59, and the knob 59 rotates
Rotating disk 53 can be driven to rotate.
As one embodiment of the present invention, the termination of guide pillar 46 is provided with guide pillar hole 461, in the guide pillar 461
Provided with garter spring 462, the termination of garter spring 462 is connected to steel ball 463, and the steel ball 463 can be stuck in the outside of casing 1
On circular hole 12, rotating wheel 44, guide pillar 46 is stuck on the outer mother rib lateral rotundum 12 of casing 1 successively, is corresponding in turn to different eyesight values.
As one embodiment of the present invention, both sides are provided with cylindrical hole 421 inside the T-slot of the sliding block 42, described
No.1 spring 422 is provided with cylindrical hole 421, described one end of No.1 spring 422 is provided with round pin 423, and the round pin 423 can be pressed
Enter in cylindrical hole 421；The both sides of slide rail 41 are provided with spherical pore 411, and the spherical pore 411 blocks round pin 423 for cooperation, lead to
Setting round pin 423 and spherical pore 411 are crossed, when sliding block 42 is moved to the termination of slide rail, round pin 423 is sticked into spherical pore 411,
It is moved easily and fixes sliding block 42.
During work, operator is turned on the power so that the luminous pattern 531 in light emitting module 5 is lighted, and luminous pattern 531 is logical
Cross the middle part of baffle plate 3 and be provided with aperture 31, projected luminous pattern 531 on imaging plate 2 using the principle of pinhole imaging system, detected person
The figure of imaging plate 2 is read, if can be it is clear that rotating wheel 44, drives screw rod 43 to rotate, the feed nut 45 on screw rod 43 is realized
It is mobile, adjustment light emitting module 5 position, the i.e. distance of adjustment luminous pattern 531 and aperture 31, to realize the upslide projection of imaging plate 2
The size variation of picture；When test can just see pattern clearly to detected person, check that the position of circular hole 12 is blocked in the termination of guide pillar 46
Put, read the eyesight value on corresponding graduated scale 11, realize the detection of eyesight；When detected person is child, operator can lead to
Turning knob 59 is crossed, switches luminous pattern 531 of different shapes, improves the interest of child；Operator is used using process, is turned
When wheel 44 rotates forward, first bevel gear 62 and screw rod 43 of the sliding block 42 on one end of slide rail 41, the rotating shaft of the first generator 61 are set
Angular wheel engages, and realizes that the first generator 61 generates electricity；When runner 44 inverts, screw rod 43 is pulled, sliding block 42 is placed in slide rail 41
The other end, the angular wheel engagement that second bevel gear 64 and screw rod 43 in the now rotating shaft of the second generator 63 are set, realize the
Two generators 63 generate electricity；Battery is stored the electric energy of electricity generation module 6, and is powered to light emitting module 5, without external power supply
Or charging.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of eyesight detects lamp box, it is characterised in that：Including casing (1), imaging plate (2), baffle plate (3), feed unit (4),
Light emitting module (5), electricity generation module (6), telescopic leg (7) and battery；Casing (1) side is provided with imaging plate (2), institute
Imaging plate (2) is stated to be used to pattern be presented；The baffle plate (3) is arranged on casing (1) inside, and casing (1) is divided into by the baffle plate (3)
Two cavitys；Aperture (31) is provided with the middle part of the baffle plate (3), the aperture (31) is used to realize pinhole imaging system；The casing (1)
Both sides external is provided with graduated scale (11), and multiple circular holes (12), the casing (1) internal two are provided with above the graduated scale (11)
Side is provided with chute (13), and the chute (13) is used for the feed unit (4) that is connected；The feed unit (4) is located at casing
(1) internal, the feed unit (4) is connected light emitting module (5)；The feed unit (4) is used to adjust light emitting module
(5) and aperture (31) distance；The electricity generation module (6) is located at casing (1) interior side, the electricity generation module (6) and feeding
Unit (4) is connected；The battery is arranged on casing (1) inside, and the battery is used to store caused by electricity generation module (6)
Electric energy, and powered to light emitting module (5)；Casing (1) bottom is provided with contraction type supporting leg (7)；Wherein,
The feed unit (4) includes slide rail (41), sliding block (42), screw rod (43), runner (44), feed nut (45) and guide pillar
(46)；The slide rail (41) is arranged on casing (1) inside, and slide rail (41) section is arranged to T-shaped；Sliding block (42) lower end
It is provided with the T-slot of mating connection slide rail (41)；Described screw rod (43) one end is rotatablely connected sliding block (42), the screw rod (43)
The other end stretches out casing (1) outside, and is rotatablely connected with casing (1), and the runner (44) is located at casing (1) outside, and connects
In screw rod (43) termination；Described screw rod (43) one end is symmetrical arranged two angular wheels；The angular wheel is used to be connected
Electricity generation module (6)；The feed nut (45) is screwed on screw rod (43), and the feed nut (45) is luminous for being connected
Module (5), feed nut (45) both sides are provided with guide pillar (46)；Casing (1) chute (13) is inserted in guide pillar (46) termination
Interior, guide pillar (46) termination can be caught in the circular hole (12) on the outside of casing (1) above graduated scale (11).
A kind of 2. eyesight detection lamp box according to claim 1, it is characterised in that：The electricity generation module (6) includes first
Motor (61), first bevel gear (62), the second motor (63) and second bevel gear (64)；First motor (61) is arranged on case
Body (1) is internal, and first bevel gear (62) is connected in the first motor (61) rotating shaft；Second motor (63) is arranged on case
Body (1) is internal, and second motor (63) is arranged symmetrically with the first motor (61), is connected in the second motor (63) rotating shaft
Second bevel gear (64)；The conical tooth that the first bevel gear (62) and second bevel gear (64) can be set with screw rod (43)
Wheel engagement.
A kind of 3. eyesight detection lamp box according to claim 1, it is characterised in that：The light emitting module (5) includes connection
Plate (51), shutter (52), rotating disk (53), spin (54), spring, block (55), No.1 bevel gear (56), No. two bevel gears
(57), connecting rod (58) and knob (59)；Described connecting plate (51) one end is connected on the feed nut (45) of feed unit (4)；
Connecting plate (51) other end is connected to shutter (52), and shutter (52) upper end is provided with square breach；The rotating disk
(53) shutter (52) side is rotatably connected on, the rotating disk (53) is internal at least provided with three luminous patterns (531)；Described turn
At least provided with three circular nocks (532), the circular nock (532) is internal to be provided with spin (54), the rolling for disk (53) periphery
Ball (54) one end is provided with spring, and the spring one end is provided with block (55), and the block (55) is connected on shutter (52)；Institute
State rotating disk (53) side and be provided with No.1 bevel gear (56)；The No.1 bevel gear (56) is meshed with No. two bevel gears (57), institute
State No. two bevel gears (57) and be connected to connecting rod (58), the notch that the connecting rod (58) is set by casing (1) is stretched out outside case, described
Connecting rod (58) termination is connected to knob (59), and the knob (59), which rotates, can drive rotating disk (53) to rotate.
A kind of 4. eyesight detection lamp box according to claim 1, it is characterised in that：Guide pillar (46) termination, which is provided with, leads
Post holes (461), the guide pillar hole (461) is interior to be provided with garter spring (462), and garter spring (462) termination is connected to steel ball
(463), the steel ball (463) can be stuck on casing (1) outer mother rib lateral rotundum (12).
A kind of 5. eyesight detection lamp box according to claim 1, it is characterised in that：Inside the T-slot of the sliding block (42)
Both sides are provided with cylindrical hole (421), and No.1 spring (422), described No.1 spring (422) one end are provided with the cylindrical hole (421)
Provided with round pin (423), the round pin (423) can be pressed into cylindrical hole (421)；Slide rail (41) both sides are provided with spherical pore
(411), the spherical pore (411) blocks round pin (423) for cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202612.9A CN107837068B (en) | 2017-11-27 | 2017-11-27 | A kind of eyesight detection lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202612.9A CN107837068B (en) | 2017-11-27 | 2017-11-27 | A kind of eyesight detection lamp box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107837068A true CN107837068A (en) | 2018-03-27 |
| CN107837068B CN107837068B (en) | 2019-08-09 |
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| CN201711202612.9A Active CN107837068B (en) | 2017-11-27 | 2017-11-27 | A kind of eyesight detection lamp box |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099547U (en) * | 1991-09-17 | 1992-03-25 | 王永雁 | Vision regulating range determining instrument |
| US5237351A (en) * | 1989-06-23 | 1993-08-17 | Canon Kabushiki Kaisha | Visual target apparatus |
| EP1372462A1 (en) * | 2001-03-30 | 2004-01-02 | Manfred Laufer | Method and device for assessing visual acuity |
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2017
- 2017-11-27 CN CN201711202612.9A patent/CN107837068B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237351A (en) * | 1989-06-23 | 1993-08-17 | Canon Kabushiki Kaisha | Visual target apparatus |
| CN2099547U (en) * | 1991-09-17 | 1992-03-25 | 王永雁 | Vision regulating range determining instrument |
| EP1372462A1 (en) * | 2001-03-30 | 2004-01-02 | Manfred Laufer | Method and device for assessing visual acuity |
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| CN107837068B (en) | 2019-08-09 |
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