CN209332024U - A kind of eyes automatic optometry unit - Google Patents
A kind of eyes automatic optometry unit Download PDFInfo
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- CN209332024U CN209332024U CN201821524771.0U CN201821524771U CN209332024U CN 209332024 U CN209332024 U CN 209332024U CN 201821524771 U CN201821524771 U CN 201821524771U CN 209332024 U CN209332024 U CN 209332024U
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Abstract
The utility model relates to a kind of eyes automatic optometry units, including pedestal, elevator platform, it is moved forward and backward rack, move left and right rack, the elevator platform is fixed on the base, the back-and-forth motion rack is fixed on the elevator platform, the rack that moves left and right includes frame seat, move left and right platform, the platform that moves left and right is placed in the frame seat, front and rear sides inside the frame seat are equipped with moving guide rail, the left and right sides inside the frame seat is equipped with the first stepper motor, first stepper motor is moved by moving left and right platform described in lead screw transmission mechanism control along the moving guide rail, described move left and right is equipped with optical chassis on platform, vision tester for testing eyesight is installed on the optical chassis；The beneficial effects of the utility model are: using being easy, it is easy to operate；When measuring the parameters such as diopter, it is capable of providing the state that the exploitation visual field regards simultaneously with eyes；Time of measuring is short.
Description
Technical field
The utility model relates to field of medical device more particularly to a kind of eyes automatic optometry units.
Background technique
Clinical optometry is usually using retinoscopy optometry or rafractive result as reference value, but the inside of common computer optometry unit
The nearly perceptibility that sighting target and mist viewing system easily induce examinee in measurement is adjusted.Its adjusting reaction is one quick (< 1S) and connects
Continuous change procedure, currently, with transience myopia and peripheral refraction about accommodating intraocular lens, close-up operation induction
Degree and the research of near-sighted relationship are gradually goed deep into, and common computer optometry unit discontinuously measures the long distance dioptric shape in the case of monocular fixation
State has started to show its limitation in the clinical application with scientific research.
Summary of the invention
For the state of the prior art, change original simple eye test mode, it can make eyeball in most easily state
Lower carry out optometry prevents instrument myopia, and the measurement process duration is short, reduce because the reasons such as eye strain be determined as it is false close
Depending on probability.
The technical solution adopted in the utility model is: a kind of eyes automatic optometry unit, including pedestal, elevator platform, front and back
Moving frame moves left and right rack, and the elevator platform is fixed on the base, and the back-and-forth motion rack is fixed on described
On elevator platform, the rack that moves left and right includes frame seat, moves left and right platform, and the platform that moves left and right is placed in the machine
In stand, the front and rear sides inside the frame seat are equipped with moving guide rail, and the left and right sides inside the frame seat is equipped with first
Stepper motor, first stepper motor is by moving left and right platform along the moving guide rail described in lead screw transmission mechanism control
Movement, the frame seat are fixed in the back-and-forth motion rack, and described move left and right is equipped with optical chassis on platform, described
Vision tester for testing eyesight is installed, the front of the vision tester is equipped with for placing forehead on optical chassis
Jaw frame component, the jaw frame component is fixed on the base.
Preferably, the back-and-forth motion rack includes being moved forward and backward frame seat, equipped with the in the back-and-forths motion frame seat
Two stepping motor, the left and right sides for being moved forward and backward frame seat, which is equipped with, is moved forward and backward guide rail, in the back-and-forth motion frame seat
Equipped with the back-and-forth motion platform that can be moved along the back-and-forth motion guide rail, the second stepper motor is by being moved forward and backward screw rod
The back-and-forth motion platform is driven, the frame seat is fixed on the back-and-forth motion platform.
Preferably, the elevator platform includes down fixing rack, lifting body and power mechanism, the down fixing rack
Side is equipped with riser guide, and the power mechanism makes lifting body do vertical displacement movement along the riser guide, described dynamic
Force mechanisms include third stepper motor and elevating screw mechanism, and the elevating screw mechanism is fixed on the liter by feed screw nut
It dropping in main body, the lower end of the elevating screw mechanism is connected with the third stepper motor, and the upper end is equipped with a mounting platform,
It is moved forward and backward frame seat to be fixed on the mounting platform, the down fixing rack is equipped with motor fixed rack, the third
Stepper motor is located in the motor fixed rack.
Preferably, the elevator platform, be moved forward and backward rack, move left and right and be equipped with photoelectric detection switch in rack；Light
Electro-detection switch enables instrument more rapidly and accurately to find the location of eyeball for detecting mobile distance.
Preferably, the jaw frame component includes chin strap, volume patch, the 4th stepper motor, lifting screw, the lifting screw
Upper end is connected with the chin strap, and the lower end of the lifting screw is moved up and down by the 4th stepper motor drive；Volume
Patch is made of silica gel, and to no damage to human body, tender texture makes user feel comfortable.
Preferably, pressure sensor, the pressure sensor and the light are equipped in the chin strap and volume patch
Rack is learned to be connected；When the pressure sensor triggering in volume patch and chin strap, optometry unit is transferred signals to, then instrument is opened
Eyeball position is found in beginning work.
Preferably, touch screen is equipped with above the optical chassis for moving left and right platform side control station；Optometry
Teacher controls station by touch screen and cross cursor is directed at examinee's glasses, is then sought by automatically adjusting each moving frame
Glasses focal position is looked for, after waiting vision tester to check, finally learns out the refractive diopter of examinee again.
The beneficial effects of the utility model are: compared with traditional optometry unit and full-automatic common simple eye measurement optometry unit, this
Practical display includes
1, using be easy, it is easy to operate；
2, when measuring the parameters such as diopter, it is capable of providing the state that the exploitation visual field regards simultaneously with eyes, therefore it is measured
As a result closer to the nature of human eye；
3, time of measuring is short, and compared to simple eye measurement pattern, the time is greatly saved, and alleviates the eye strain of patient,
Further improve measurement accuracy.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is that the utility model moves left and right rack construction schematic diagram；
Fig. 3 is that the utility model is moved forward and backward rack construction schematic diagram；
Fig. 4 is the utility model elevator platform structural schematic diagram；
Fig. 5 is the utility model optical chassis structural schematic diagram；
Fig. 6 is the utility model jaw frame modular construction schematic diagram；
Fig. 7 is the utility model jaw frame component drive mechanism schematic diagram.
In figure, 1, pedestal, 2, elevator platform, 3, be moved forward and backward rack, 4, move left and right rack, 41, frame seat, 42, left
Move to right moving platform, 43, moving guide rail, the 44, first stepper motor, 45, lead screw transmission mechanism, 5, optical chassis, 51, eye test
Instrument, 6, jaw frame component, 31, back-and-forth motion frame seat, 32, second stepper motor, 33, back-and-forth motion guide rail, 34, back-and-forth motion
Platform, 35, be moved forward and backward screw rod, 21, down fixing rack, 22, lifting body, 23, power mechanism, 24, riser guide, 231, the
Three stepper motors, 232, elevating screw mechanism, 25, mounting platform, 211, motor fixed rack, 7, photoelectric detection switch, 61, under
Ba Tuo, 62, volume patch, the 63, the 4th stepper motor, 64, lifting screw, 65, pressure sensor, 8, touch screen control station.
Specific embodiment
The principles of the present invention and feature are described below, example is served only for explaining the utility model, and
It is non-to be used to limit the scope of the utility model.
As shown in Figures 1 to 4, a kind of eyes automatic optometry unit, including pedestal 1, elevator platform 2, back-and-forth motion rack 3, a left side
Rack 4 is moved right, elevator platform 2 is fixed on pedestal 1, is moved forward and backward rack 3 and is fixed on elevator platform 2, moves left and right machine
Frame 4 include frame seat 41, move left and right platform 42, move left and right platform 42 and be placed in frame seat 41, inside frame seat 41 before
Two sides are equipped with moving guide rail 43 afterwards, and the left and right sides inside frame seat 41 is equipped with the first stepper motor 44, the first stepper motor 44
Platform 42 is moved left and right respectively along moving guide rail 43 in opposite directions or backwards to movement, frame seat 41 by the control of lead screw transmission mechanism 45
It is fixed on and is moved forward and backward in rack 3, move left and right and be equipped with optical chassis 5 on platform 42, be equipped on optical chassis 5 for examining
The vision tester 51 having an eyesight test, the front of vision tester 51 are equipped with the jaw frame component 6 for placing forehead, jaw frame component 6
It is fixed on pedestal 1.
In order to track eyeball focal position, need to realize the movement in three directions, first is that along perpendicular to eyeball focus side
To close to and leave movement, i.e., measured is moved in the front-back direction；Second is that along its vertical direction, i.e., along two eye pupils away from side
To or the left and right directions of measured move；The third is up and down direction, i.e. the adjustment campaign of short transverse.By up and down, left and right, it is preceding
The adjustment in three directions afterwards makes its focal position of optometry unit Step wise approximation, then carries out automatic accurate measurement to double eyeball.
The optical chassis 5 for moving left and right 42 side of platform is equipped with positioning pin, and touch screen controls station 8 and is equipped with positioning
Hole, location hole and positioning pin determine that the positional relationship of two components, the mode being then connected through a screw thread make touch screen control operation
Platform 8 is fixed on optical chassis 5.
The mode that optical chassis 5 is connected through a screw thread, which is fixed on, to be moved left and right on platform 42, and the first stepper motor 44 is passed through
Control moves left and right platform 42 and moves along guide rail 43 in opposite directions or backwards to movement.
It is moved forward and backward on platform 34 and positioning pin is installed, location hole is arranged at the bottom for moving left and right the frame seat 41 of rack 4, fixed
Position hole and positioning pin determine both positional relationship, be then screwed, be moved forward and backward platform 34 along be moved forward and backward guide rail
When 33 movement, drive moves left and right 3 entirety of rack and is moved in the front-back direction.
The mounting platform 25 of elevator platform 2 is equipped with positioning pin, and the bottom for being moved forward and backward frame seat 31 is equipped with location hole, fixed
The positional relationship that position hole and positioning pin both determine, then the modes such as be threadedly coupled and fix, elevator platform 2 does rise and fall movement
When, drive back-and-forth motion rack 3 to rise overally or decline.
Measurement process is as follows:
Optometry unit is switched on, and reaches predeterminated position (drafting according to ergonomics) after the System self-test of optometry unit, tested person
Before member (patient) is seated at vision tester 51, when chin is placed on chin strap 61, forehead is affixed in volume patch 62, upper and lower two pressures
When force snesor 65 triggers simultaneously, after optometry unit buffering 5 seconds (for self adjustment eye position level direct-view of patient), start certainly
Dynamic manipulation complete machine machinery Chuan Gong mechanism, mechanical Chuan Gong mechanism here, which refers to, to be moved left and right rack 4, is moved forward and backward rack 3, lifting
Rack 2 by system manipulate corresponding first stepper motor 44, second stepper motor 32, third stepper motor 231 to
It realizes the movement in above three direction, during the motion, mobile distance is detected by photoelectric detection switch 7, passes through big model
Enclose investigation position of human eye is accurately positioned, after the completion of positioning, optical chassis 5 can realize automatic focusing, complete eyes diopter and
Keratometry.For convenience of measurement, predeterminated position can be restored to by reset key after the completion.
Due to using eyes measurement by the way of, so optometry unit measurement interpupillary distance range be 40-80mm.
First stepper motor 44 mentioned above, second stepper motor 32, third stepper motor 231, the 4th stepper motor
63 model 16HS1604-01N.
The model FSR402 of pressure sensor 65 mentioned above.
Several preferred embodiments of the present invention, but it has been observed that it should be understood that this reality has shown and described in above description
Be not limited to forms disclosed herein, be should not be regarded as an exclusion of other examples with novel, and can be used for it is various its
He combines, modification and environment, and can pass through above-mentioned introduction or related fields within the scope of the inventive concept described herein
Technology or knowledge are modified.And changes and modifications made by those skilled in the art do not depart from the spirit and model of the utility model
It encloses, then it all should be in the protection scope of the appended claims for the utility model.
Claims (7)
1. a kind of eyes automatic optometry unit, including pedestal (1), elevator platform (2), it is moved forward and backward rack (3), moves left and right rack
(4), the elevator platform (2) is fixed on the pedestal (1), and the back-and-forth motion rack (3) is fixed on the elevator platform
(2) on, it is characterised in that: the rack (4) that moves left and right includes frame seat (41), moves left and right platform (42), the left and right
Mobile platform (42) is placed in the frame seat (41), and the internal front and rear sides of the frame seat (41) are equipped with moving guide rail
(43), the internal left and right sides of the frame seat (41) is equipped with the first stepper motor (44), and first stepper motor (44) is logical
It crosses and moves left and right platform (42) described in lead screw transmission mechanism (45) control respectively along the moving guide rail (43) movement, the machine
Stand (41) is fixed on the back-and-forth motion rack (3), and described move left and right is equipped with optical chassis (5) on platform (42),
Vision tester (51) for testing eyesight, the front of the vision tester (51) are installed on the optical chassis (5)
Equipped with the jaw frame component (6) for placing forehead, the jaw frame component (6) is fixed on the pedestal (1).
2. eyes automatic optometry unit according to claim 1, it is characterised in that: before the back-and-forth motion rack (3) includes
Moving machine stand (31) afterwards, the back-and-forth motion frame seat (31) is interior to be equipped with second stepper motor (32), the back-and-forth motion machine
The left and right sides of stand (31), which is equipped with, is moved forward and backward guide rail (33), and being equipped in the back-and-forth motion frame seat (31) can be along described
It is moved forward and backward guide rail (33) mobile back-and-forth motion platform (34), the second stepper motor (32) is by being moved forward and backward screw rod
(35) the back-and-forth motion platform (34) is driven, the frame seat (41) is fixed on the back-and-forth motion platform (34).
3. eyes automatic optometry unit according to claim 2, it is characterised in that: the elevator platform (2) includes that lifting is solid
Determine frame (21), lifting body (22) and power mechanism (23), the side of the down fixing rack (21) is equipped with riser guide (24),
The power mechanism (23) makes lifting body (22) do vertical displacement movement, the power mechanism along the riser guide (24)
It (23) include third stepper motor (231) and elevating screw mechanism (232), the elevating screw mechanism (232) passes through screw rod spiral shell
Mother is fixed on the lifting body (22), the lower end of the elevating screw mechanism (232) and the third stepper motor (231)
It is connected, the upper end is equipped with a mounting platform (25), and it is moved forward and backward frame seat (31) and is fixed on the mounting platform (25), institute
Down fixing rack (21) are stated equipped with motor fixed rack (211), the third stepper motor (231) is located at the motor and fixes
In bracket (211).
4. eyes automatic optometry unit according to claim 1, it is characterised in that: the elevator platform (2) is moved forward and backward machine
Frame (3) moves left and right and is equipped with photoelectric detection switch (7) on rack (4).
5. eyes automatic optometry unit according to claim 1, it is characterised in that: the jaw frame component (6) includes chin strap
(61), volume pastes (62), the 4th stepper motor (63), lifting screw (64), lifting screw (64) upper end and the chin strap
(61) it is connected, lifting screw (64) lower end is driven by the 4th stepper motor (63) and moved up and down.
6. eyes automatic optometry unit according to claim 5, it is characterised in that: the chin strap (61) and volume patch
(62) it is equipped with pressure sensor (65) in, the pressure sensor (65) is connected with the optical chassis (5).
7. eyes automatic optometry unit according to claim 1, it is characterised in that: described platform (42) side of moving left and right
Touch screen control station (8) is equipped with above the optical chassis (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821524771.0U CN209332024U (en) | 2018-09-18 | 2018-09-18 | A kind of eyes automatic optometry unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821524771.0U CN209332024U (en) | 2018-09-18 | 2018-09-18 | A kind of eyes automatic optometry unit |
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| Publication Number | Publication Date |
|---|---|
| CN209332024U true CN209332024U (en) | 2019-09-03 |
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ID=67745149
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821524771.0U Active CN209332024U (en) | 2018-09-18 | 2018-09-18 | A kind of eyes automatic optometry unit |
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| Country | Link |
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| CN (1) | CN209332024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116784790A (en) * | 2023-04-07 | 2023-09-22 | 瑞尔明康(浙江)医疗科技有限公司 | Large-view-field optometry device with binocular automatic alignment device |
-
2018
- 2018-09-18 CN CN201821524771.0U patent/CN209332024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116784790A (en) * | 2023-04-07 | 2023-09-22 | 瑞尔明康(浙江)医疗科技有限公司 | Large-view-field optometry device with binocular automatic alignment device |
| CN116784790B (en) * | 2023-04-07 | 2024-05-14 | 瑞尔明康(浙江)医疗科技有限公司 | Large-view-field optometry device with binocular automatic alignment device |
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