CN109480763A - A kind of transmission mechanism - Google Patents
A kind of transmission mechanism Download PDFInfo
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- CN109480763A CN109480763A CN201811615960.3A CN201811615960A CN109480763A CN 109480763 A CN109480763 A CN 109480763A CN 201811615960 A CN201811615960 A CN 201811615960A CN 109480763 A CN109480763 A CN 109480763A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000001276 controlling effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 201000009310 astigmatism Diseases 0.000 description 43
- 238000000034 method Methods 0.000 description 12
- 238000013459 approach Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 206010020015 Heterophoria Diseases 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001508 eye Anatomy 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 206010047531 Visual acuity reduced Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect 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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
-
- 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
- A61B3/0016—Operational features thereof
-
- 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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/08—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
- A61B3/085—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus for testing strabismus
-
- 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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Eye Examination Apparatus (AREA)
Abstract
本发明提供一种传动机构，所述机构包括支架、第一电机、第一齿轮、转轴和电路板，所述第一电机、第一齿轮、转轴和电路板均设置在所述支架上，所述第一电机的输出轴设有与所述第一齿轮相联动的二级齿轮传动装置，所述第一齿轮与所述转轴相适配，所述第一齿轮设有多个用于安装检测元件的通孔，至少一个所述第一齿轮上的所述通孔设有用于控制所述检测元件转动的旋转装置，所述第一电机和所述旋转装置均与电路板电连接。本发明的传动机构的有益效果非常明显：结构简单，生产加工方便，成本低，精度高，应用广，特别适用于验光系统中。
The present invention provides a transmission mechanism, the mechanism includes a bracket, a first motor, a first gear, a rotating shaft and a circuit board, the first motor, the first gear, the rotating shaft and the circuit board are all arranged on the bracket, so The output shaft of the first motor is provided with a two-stage gear transmission that is linked with the first gear, the first gear is adapted to the rotating shaft, and the first gear is provided with multiple gears for installation detection The through hole of the element, the through hole on at least one of the first gears is provided with a rotation device for controlling the rotation of the detection element, and the first motor and the rotation device are both electrically connected to the circuit board. The beneficial effects of the transmission mechanism of the present invention are very obvious: the structure is simple, the production and processing are convenient, the cost is low, the precision is high, and the application is wide, and is especially suitable for optometry systems.
Description
Technical field
The present invention relates to machinery manufacturing technology field more particularly to a kind of transmission mechanisms.
Background technique
With the high speed development of social economy and the increase of competitive pressure, visual acuity decreased is very common, crowd by
Year increases, and in the trend development to become younger.Optometry is the detailed premise understood with Accurate Diagnosis conditions of patients, including close
Depending on, astigmatism and astigmatism direction etc..
Currently, many optometry equipments have higher cost, and technical requirements are not achieved in optometry accuracy, especially dissipate
The detection of light and astigmatism direction.Therefore, it is necessary to by one kind, cost is relatively low and the higher optometry equipment of precision is above-mentioned to solve
Problem, to meet the needs of current social.
Summary of the invention
The present invention in order to solve the problems, such as that general optometry equipment cannot achieve that cost is relatively low and precision is higher in the prior art,
A kind of transmission mechanism is provided.
To achieve the goals above, the present invention takes following technical proposals: a kind of transmission mechanism, and the mechanism includes branch
Frame, first motor, first gear, shaft and circuit board, the first motor, first gear, shaft and circuit board are arranged at
On the bracket, the output shaft of the first motor is equipped with the double gear being connected with the first gear, institute
First gear is stated to be adapted with the shaft, the first gear be equipped with it is multiple for installing the through-holes of detecting element, at least one
The through-hole in a first gear is equipped with the rotating device for controlling the detecting element rotation, the first motor
And circuit board electrical connection with the rotating device.
The double gear is made of two pairs of meshing gears, and the transmission ratio of one pair of them meshing gear is constant
Or be arranged to one group of in-line gears, such as: gear I is connected with the output shaft of first motor, and is meshed in gear II, gear II with
Gear III is connected by connecting rod, and gear III is meshed with the first gear；The double gear may be used also
In gear transmission structure for rotating device；In a preferred approach, all gears of the invention are all made of composite material system
At composite material here refers to nonmetallic composite material, and while mitigating the mechanism weight, cost is greatly reduced；
First gear realizes tentatively being rotated in place for detecting element for driving detecting element to rotate to target position；Rotating device,
For rotation detecting element, in rotation, the fine tuning of detecting element angle is realized, drive detecting element to rotate phase with first gear
In conjunction with improving the precision of detection.
When being implemented on optometry, when first gear only has 1, the detecting element is for detecting axis of astigmatism
Eyeglass, such as prism；Or the detecting element is the eyeglass for detecting astigmatism degree, such as cylindrical mirror or crossed cylinder lens.
When to patient's optometry, different prisms, startup power supply are first all loaded onto lead to the hole site, circuit board is instructed first
It is sent to first motor, first motor work, double gear drives first gear rotation, and all prisms revolve therewith
Turn, operated by the optometry of optist, so that one of prism rotates to target position, records the preliminary astigmatism of patient at this time
The numerical value of axle position；Second instruction is sent to rotating device by circuit board, rotating device drive all prisms or it is described wherein
One prism rotation, is operated by the accurate optometry of optist, and one of prism goes to a specific angle, this
The numerical value of the secondary axis of astigmatism of Shi Jilu patient；The numerical value of the numerical value of the preliminary axis of astigmatism and the secondary axis of astigmatism
Superposition value, or front and back optometry twice is carried out by circuit board Digital Signal Processing and to export final numerical value, is exactly described
The final axis of astigmatism of patient；
All prisms are removed, cylindrical mirror is all changed, startup power supply carries out the accurate detection of astigmatism degree, circuit to patient
First instruction is sent to first motor, first motor work by plate, and double gear drives first gear rotation, owns
Cylindrical mirror rotates with, and is operated by the optometry of optist, so that one of cylindrical mirror rotates to target position, records patient at this time
Preliminary astigmatism degree numerical value；Second instruction is sent to rotating device by circuit board, and rotating device drives described wherein one
A cylindrical mirror rotation is operated by the accurate optometry of optist, and one of prism goes to an angle, and record is suffered from this time
The numerical value of the secondary astigmatism degree of person；The numerical value of the preliminary astigmatism degree is superimposed with the numerical value of the secondary astigmatism degree
Value, or Digital Signal Processing is carried out to front and back optometry twice by circuit board and exports final numerical value, the exactly described patient
Final astigmatism degree；Final axis of astigmatism and final astigmatism degree are exported by circuit board.
In further design scheme, the first gear is co-axially located in shaft, when first gear is 2,
Any through-hole and the center of the shaft are away from equal, and detecting element is eyeglass, any eyeglass and corresponding first
The center of gear is away from equal, i.e., by two first gears of rotation, the eyeglass in one of first gear can be with another
Any one eyeglass in first gear is coaxial；Eyeglass in one of first gear is the mirror for detecting axis of astigmatism
Piece, such as prism；Eyeglass in another first gear is the eyeglass for detecting astigmatism degree, such as cylindrical mirror.
In further design scheme, the first gear is co-axially located in shaft, when first gear has 3 or 3
When a above, detecting element is eyeglass, and one of first gear is first group, the eyeglass in one of first gear
For the eyeglass for detecting axis of astigmatism, such as prism；Remaining described first gear be second group, it is described remaining described first
Eyeglass on gear is the eyeglass for detecting astigmatism degree, such as cylindrical mirror.
According to an embodiment of the present invention, the rotating device is by the second motor, transmission gear I, bidentate gear and second
Gear composition, second motor, transmission gear I be arranged on bracket, and the bidentate gear is arranged in shaft, and described the
The output shaft of two motors is equipped with the transmission gear II's, the transmission gear I and the bidentate gear being meshed with transmission gear I
Small-diameter gear portion is meshed, and the large diameter gear portion of the bidentate gear is meshed with the second gear, the second gear and through-hole
It is adapted, and for installing detecting element.
Bidentate gear refers to the into a single integrated structure built-up gear of two gear sets of different-diameter, wherein the lesser portion of diameter
It is divided into small-diameter gear portion, the part being relatively large in diameter is set as large diameter gear portion；In order to produce with it is easy to process, and further decrease
Cost, the rotating device can also be made of the second motor and double gear.
According to an embodiment of the present invention, the detecting element at least one described first gear is eyeglass.Eyeglass
It can be prism, cylindrical mirror, crossed cylinder lens, spherical mirror, plane mirror, convex lens, magnetic lenses or electron lens etc..
According to an embodiment of the present invention, the detecting element at least one described first gear is auxiliary element.
Auxiliary element can be plane mirror, shading mirror or polarizing filter etc..
According to an embodiment of the present invention, the shaft be segmental structure, shaft described in each section with corresponding one
The first gear is adapted.The shaft of segmentation, structure is simple, so that the rotation of any first gear is mutually indepedent, does not do mutually
It relates to, in optometry, performance is stablized, and precision is higher.
According to an embodiment of the present invention, the first gear is equipped with the sensor I with circuit board electrical connection, the rotation
Rotary device is equipped with the sensor II with circuit board electrical connection.
Here sensor refers to the angular speed for detecting first gear and second gear, in the mechanism for implementing,
The electric signal that circuit board obtains the angular speed is gone forward side by side line number word processing, and the precision for exporting result is higher；In a preferred approach, it passes
Sensor I and sensor II generally use Hall element or photoelectric sensor.
According to an embodiment of the present invention, the mechanism further includes interfacial level controller, the interfacial level controller and circuit board
It is wirelessly connected, and is equipped with the reset key for restoring the mechanism to original state.
By controlling the circuit board, the first motor and the second motor is driven to work, interfacial level controller can be long-range
The movement of the mechanism is controlled, more intelligent, more convenient operation；In a preferred approach, it is mechanical, electrical to can be hand for interfacial level controller
Brain or tablet computer etc., have the function of numeral input, as the result is shown, sighting target projection etc., can also increase visual chart module or at
As module, it is further simplified operation, facilitates optometry.
According to an embodiment of the present invention, the mechanism further includes apparatus for adjusting position, and the bracket and position are adjusted
Device is connected.
According to an embodiment of the present invention, the apparatus for adjusting position includes fixing seat, level(l)ing device and front and back tune
Regulating device, the level(l)ing device and front-and-back adjusting device are arranged in fixing seat.
The level(l)ing device is made of third motor and screw rod, the output shaft of the third motor be equipped with it is described
The connected one-stage gear transmission device in one end of screw rod, the screw rod are equipped with the slide being connected with bracket；
The front-and-back adjusting device is made of the 4th motor and worm and gear, the output shaft of the 4th motor and the snail
One end of bar is meshed by a pair of of gear, and the end of worm gear is equipped with eccentric cam, and the bracket is equipped with and eccentric cam phase
The limiting slot of adaptation.
Level(l)ing device, for adjusting the axial deviation of the mechanism Yu patient's eyeball；Front-and-back adjusting device, for micro-
Adjust the longitudinal separation of the mechanism Yu patient's eyeball；In a preferred approach, the apparatus for adjusting position is equipped with electromagnetism lock device,
After the completion of adjusting, the electromagnetism lock device is used for locked position regulating device, and it is steady to guarantee that apparatus for adjusting position is connect with bracket
It is fixed.
According to an embodiment of the present invention, the mechanism is two pieces.
When being implemented on optometry, mist inspection looks into, binocular balance test, heterophoria measurement etc. can in the mechanism into
Row, realizes the synchronization optometry of patient's eyes.
The beneficial effect of transmission mechanism of the invention is clearly:
1. being not only simple in structure, Er Qiesheng by the way that gear engagement structure to be applied in the detection of astigmatism and axis of astigmatism
Produce easy to process, cost is relatively low；
2. passing through a first motor, a first gear, one group of eyeglass, one group of double gear and an electricity
Plate isostructural combined innovation in road has the characteristics that structure is simple, at low cost when detecting axis of astigmatism and astigmatism degree；
3. realize that the transmission mechanism is easier to arrange in structure by increasing by one group of double gear, it is empty
Between using more rationally, in the transmission mechanism especially suitable for multiple first gears；
4. driving eyeglass rotation using one group of rotating device, when detecting the axis of astigmatism and astigmatism degree of patient, have
Feature with high accuracy；
5. the gear made of nonmetallic composite material is greatly reduced the dosage of metal material, further reduces the cost；
6. when the detecting element is other lenses, the transmission mechanism can be used in other field or product,
Application range is extremely wide: when the eyeglass be convex lens when, the transmission mechanism be suitable for high magnification magnifying glass, telescope or
Astronomical telescope；When the eyeglass is magnetic lenses, the transmission mechanism is suitable for ion microscope；When the eyeglass is electronics
When lens, the transmission mechanism is suitable for electron microscope；
7. the transmission mechanism is suitable for the skill of intelligent security guard when the detecting element is fingerprint extractor or scrambler
Art field.
It is to be appreciated that the teachings of the present invention does not need to realize whole beneficial effects recited above, but it is specific
The specific technical effect that may be implemented of technical solution, and other embodiments of the invention can also be realized and not mentioned above
The beneficial effect arrived.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, above-mentioned and other mesh of exemplary embodiment of the invention
, feature and advantage will become prone to understand.In the accompanying drawings, if showing by way of example rather than limitation of the invention
Dry embodiment, in which:
In the accompanying drawings, identical or corresponding label indicates identical or corresponding part.
Fig. 1 illustrates the first structural schematic diagram of transmission mechanism of the invention；
Fig. 2 illustrates a kind of side view of the Fig. 1 of the present invention after striking and interfacial level controller；
Fig. 3 illustrates a kind of sectional view of Fig. 2 of the present invention；
Fig. 4 illustrates second of structural schematic diagram of transmission mechanism of the invention；
Fig. 5 illustrates a kind of side view of the Fig. 4 of the present invention after striking；
Fig. 6 illustrates the third structural schematic diagram of transmission mechanism of the invention；
Fig. 7 illustrates a kind of side view of the Fig. 6 of the present invention after striking；
Fig. 8 illustrates a kind of structural schematic diagram of apparatus for adjusting position of the invention.
Specific embodiment
To keep the purpose of the present invention, feature, advantage more obvious and understandable, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
The principle and spirit of the invention are described below with reference to several illustrative embodiments.It should be appreciated that providing this
A little embodiments are used for the purpose of making those skilled in the art can better understand that realizing the present invention in turn, and be not with any
Mode limits the scope of the invention.On the contrary, thesing embodiments are provided so that the present invention is more thorough and complete, and energy
It enough will fully convey the scope of the invention to those skilled in the art.
The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
In conjunction with Fig. 4 and Fig. 5, the present invention provides a kind of transmission mechanism, and the mechanism includes bracket 1, first motor 2, first
Gear 3, shaft 4 and circuit board 10, the first motor 2, first gear 3, shaft 4 and circuit board 10 are arranged at the bracket
On 1, the output shaft of the first motor 2 is equipped with the double gear being connected with the first gear 3, and described first
Gear 3 is adapted with the shaft 4, the first gear 3 be equipped with it is multiple for installing the through-holes of detecting element 3.1, at least one
The through-hole in a first gear 3 is equipped with the rotating device rotated for controlling the detecting element 3.1, and described first
Motor 2 and the rotating device are electrically connected with circuit board 10.
Herein, first motor 2 and first gear 3 it is equal only one, detecting element 3.1 is evenly distributed on first gear 3
Same annulus on, any detecting element 3.1 and the center of first gear 3 away from equal, detecting element 3.1 be cylindrical mirror 3.2 or
Prism 3.5.
When implementing optometry to patient, prism 3.5 is all first loaded onto lead to the hole site, and startup power supply, circuit board 10 is by first
Instruction is sent to first motor 2, and first motor 2 works, and double gear drives first gear rotation, all prisms
3.5 rotate with, and are operated by the optometry of optist, so that one of prism 3.5 rotates to target position, record is suffered from this time
The numerical value of the preliminary axis of astigmatism of person；Second instruction is sent to rotating device by circuit board 10, and rotating device drives all prisms
3.5 rotations are operated by the accurate optometry of optist, and one of prism goes to a specific angle, remembers at this time
Record the numerical value of the secondary axis of astigmatism of patient；Digital Signal Processing is carried out by 10 pairs of front and back optometrys twice of circuit board and is exported most
Whole numerical value is exactly the final axis of astigmatism of the patient；
All prisms 3.5 are removed, cylindrical mirror 3.2 is all changed, startup power supply carries out the accurate inspection of astigmatism degree to patient
It surveys, the first instruction is sent to first motor 2 by circuit board 10, and first motor 2 works, and double gear drives the first tooth
3 rotation of wheel, all cylindrical mirrors 3.2 rotate with, and are operated by the optometry of optist, so that one of cylindrical mirror rotates to target position
It sets, records the numerical value of the preliminary astigmatism degree of patient at this time；Second instruction is sent to rotating device, rotating device by circuit board 10
3.2 rotation of cylindrical mirror is driven, is operated by the accurate optometry of optist, one of prism goes to an angle, this
The numerical value of the secondary astigmatism degree of Shi Jilu patient；Digital Signal Processing and defeated is carried out by the front and back optometrys twice of 10 pairs of circuit board
Final numerical value out is exactly the final astigmatism degree of the patient；Final axis of astigmatism and final astigmatism degree are by circuit board 10
Output.
In conjunction with Fig. 6 and Fig. 7, the first gear 3 is co-axially located in shaft, when first gear 3 is 2, Ren Yisuo
Through-hole and the center of the shaft 4 are stated away from equal, detecting element is eyeglass, any eyeglass and corresponding first gear
Center is away from equal, i.e., by two first gears 3 of rotation, the eyeglass in one of first gear can be with another the first tooth
Any one eyeglass on wheel is coaxial；Eyeglass in one of first gear is the eyeglass for detecting axis of astigmatism, such as rib
Mirror 3.5；Eyeglass in another first gear is the eyeglass for detecting astigmatism degree, such as cylindrical mirror 3.2.
In further design scheme, the first gear 3 is co-axially located in shaft, when first gear has 3 or 3
When a above, detecting element is eyeglass, and one of first gear is first group, the eyeglass in one of first gear
For the eyeglass for detecting axis of astigmatism, such as prism 3.5；Remaining described first gear is second group, described described in remaining
Eyeglass in first gear is the eyeglass for detecting astigmatism degree, such as cylindrical mirror 3.2.
By the optometry of above-mentioned transmission mechanism, circuit board 10 export final axis of astigmatism and final astigmatism degree it is accurate
Property and precision are very high.
In conjunction with Fig. 5, according to an embodiment of the present invention, the rotating device is by the second motor 5, transmission gear I (in Fig. 5
Shown in label 6), bidentate gear 7 and second gear 8 form, second motor 5, transmission gear I (in Fig. 5 shown in label 6) are equal
It is arranged on bracket 1, the bidentate gear 7 is arranged in shaft 4, and the output shaft of second motor 5 is equipped with and transmission gear I
The transmission gear II (in Fig. 5 shown in label 9) that (in Fig. 5 shown in label 6) is meshed, the transmission gear I and the bidentate tooth
The small-diameter gear portion of wheel 7 is meshed, and the large diameter gear portion of the bidentate gear 7 is meshed with second gear 8, the second gear
8 are adapted with through-hole, and for installing detecting element 3.1.
In this embodiment, bidentate gear refers to the into a single integrated structure combination tooth of two gear sets of different-diameter
Wheel, wherein the lesser part of diameter is set as small-diameter gear portion, and the part being relatively large in diameter is set as large diameter gear portion；In order to produce and add
Work is convenient, and further reduces the cost, and the rotating device can also be made of the second motor and double gear.
According to an embodiment of the present invention, the detecting element 3.1 at least one described first gear 3 is eyeglass.
Herein, eyeglass can be prism, cylindrical mirror, crossed cylinder lens, spherical mirror, plane mirror, convex lens, magnetic lenses or electronics
Lens etc..
According to an embodiment of the present invention, the detecting element 3.1 at least one described first gear 3 is auxiliary
Element.
Herein, auxiliary element can be plane mirror, shading mirror or polarizing filter etc..
In conjunction with Fig. 3, according to an embodiment of the present invention, the shaft 4 be segmental structure, shaft 4 described in each section with
A corresponding first gear 3 is adapted.
Herein, the shaft of segmentation, structure is simple, so that the rotation of any first gear is mutually indepedent, it is non-interference,
When optometry, performance is stablized, and precision is higher.
According to an embodiment of the present invention, the first gear 3 is equipped with the sensor I being electrically connected with circuit board 10, institute
It states rotating device and is equipped with the sensor II being electrically connected with circuit board 10.
Here sensor refers to angular speed/displacement for detecting first gear and second gear, real in the mechanism
Shi Shi, the electric signal that circuit board 10 obtains the angular speed/displacement are gone forward side by side line number word processing, and the precision for exporting result is higher；?
In preferred embodiment, sensor I and sensor II generally use Hall element or photoelectric sensor.According to the measurement result of sensor
The relative displacement between first gear and second gear can be calculated, so as to make circuit board 10 based on the feedback of measurement result
Implement to control relative displacement more accurate between first gear and second gear.
In conjunction with Fig. 1, according to an embodiment of the present invention, the mechanism further includes interfacial level controller 11, the Interface Control
Device 11 and circuit board 10 are wirelessly connected, and are equipped with the reset key 11.1 for restoring the mechanism to original state.
By controlling the circuit board 10, the first motor 2 and the second motor 5 is driven to work, interfacial level controller 11 can
It is more intelligent remotely to control the movement of the mechanism, more convenient operation；In a preferred approach, interfacial level controller 11 can be with
It is mobile phone, computer or tablet computer etc., there are the functional modules such as operation module 11.2, display module 11.3, view can also be increased
Power table and projection module are further simplified and facilitate and implement optometry operation.
In conjunction with Fig. 8, according to an embodiment of the present invention, the mechanism further includes apparatus for adjusting position, the bracket 1 with
Apparatus for adjusting position is connected；The apparatus for adjusting position includes fixing seat 12, level(l)ing device and front-and-back adjusting device, described
Level(l)ing device and front-and-back adjusting device are arranged in fixing seat 12；The level(l)ing device is by third motor 13 and spiral
Bar 14 forms, and the output shaft of the third motor 13 is equipped with the one-stage gear transmission dress being connected with one end of the screw rod 14
It sets, the screw rod 14 is equipped with the slide 15 being connected with bracket 1；The front-and-back adjusting device is by the 4th motor 16 and worm gear snail
The output shaft of bar composition, the 4th motor 16 is meshed with one end of the worm screw by a pair of of gear, and the end of worm gear is set
There is eccentric cam 17, the bracket 1 is equipped with limiting slot 18 compatible with eccentric cam 17.
After the completion of debugging, in further design scheme, the apparatus for adjusting position is additionally provided with electromagnetism lock device 19, uses
In preventing apparatus for adjusting position from loosening, the stability of holding mechanism structure.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 8, according to an embodiment of the present invention, a kind of transmission mechanism, the mechanism includes branch
1,6, frame first motor 2,6 first gear 3, shaft 4, circuit board 10 and the interfacial level controller 11 being segmented, the first motor
2, first gear 3, shaft 4 and circuit board 10 are arranged on the bracket 1, and the output shaft of the first motor 2 is equipped with and institute
The double gear that first gear 3 is connected is stated, the first gear 3 is adapted with the shaft 4, and 2 described
One gear 3 is equipped with multiple through-holes for being used to install cylindrical mirror 3.2, and 2 first gears 3 are equipped with multiple for installing concave-sphere 3.3
Through-hole, 1 first gear 3 is equipped with multiple for installing the through-holes of auxiliary lens 3.4, and 1 first gear 3 is equipped with
It is multiple for installing the through-holes of prism 3.5, in 3 first gears 3 for installing cylindrical mirror 3.2 and prism 3.5 described in
Through-hole is equipped with the rotating device rotated for controlling the detecting element 3.1, and the rotating dress is equipped with 3 groups, the rotating device
It is made of the second motor 5, transmission gear I, bidentate gear 7 and second gear 8, second motor 5, transmission gear I are respectively provided with
On bracket 1, the bidentate gear 7 is arranged in shaft 4, and the output shaft of second motor 5 is equipped with and transmission gear I (Fig. 5
Shown in middle label 6) the transmission gear II (in Fig. 5 shown in label 9) that is meshed, the transmission gear I and the bidentate gear 7
Small-diameter gear portion is meshed, and the large diameter gear portion of the bidentate gear 7 is meshed with second gear 8, the second gear 8 with it is logical
Hole is adapted, and for installing detecting element 3.1, the first motor 2, the second motor 5, third motor 13, the 4th motor 16,
Sensor I, sensor II, electromagnetism lock device 19 are electrically connected with circuit board 10, and interfacial level controller 11 wirelessly connects with circuit board 10
It connects, and is equipped with for restoring the mechanism to the reset key 11.1 and operation module 11.2 of original state, display module 11.3,
The mechanism further includes apparatus for adjusting position, and the bracket 1 is connected with apparatus for adjusting position；The apparatus for adjusting position includes
Fixing seat 12, level(l)ing device and front-and-back adjusting device, the level(l)ing device and front-and-back adjusting device are arranged in fixation
On seat 12；The level(l)ing device is made of third motor 13 and screw rod 14, and the output shaft of the third motor 13 is equipped with
The one-stage gear transmission device being connected with one end of the screw rod 14, the screw rod 14 are equipped with the cunning being connected with bracket 1
Seat 15；The front-and-back adjusting device is made of the 4th motor 16 and worm and gear, the output shaft of the 4th motor 16 with it is described
One end of worm screw is meshed by a pair of of gear, and the end of worm gear is equipped with eccentric cam 17, and the bracket 1 is equipped with convex with bias
17 compatible limiting slots 18 are taken turns, the mechanism is two pieces.
Bracket 1 is the thin-wall construction or engraved structure of circular shape, and 62 Hes of first motor are mounted on each bracket 1
3 the second motors 5；Wherein, the front of bracket 1 is arranged in 3 first motors 2, and the back of bracket 1 is arranged in 3 first motors 2
Face, and it is positioned opposite two-by-two；The front on 1 top of bracket is arranged in two the second motors 5, and second motor 5 is arranged in bracket 1
The back side of lower part；It is provided with specific spacing between the adjacent motor of any two such as first motor 2 and the second motor 5, such as
Spacing between adjacent first motor 1 is greater than or equal to the maximum width of first motor cross section, the second adjacent motor 5 it
Between spacing be greater than or equal to 5 cross section of the second motor maximum width, between adjacent first motor 1 and the second motor 5
Spacing is greater than or equal to the half of the sum of maximum width of the two cross section；In summary, on a bracket 1,9 be ensure that
The motor has enough installation spaces and good heat dissipation effect, realizes that the mechanism is run steadily in the long term.
Mechanism described in two pieces forms a whole, and when being implemented on optometry, mist inspection is looked into, binocular balance is tested, heterophoria
Measurement etc. can carry out in the mechanism, realize the synchronization optometry of patient's eyes.
It need to be noted that: embodiments described above, the description with preceding method embodiment are similar, tools
There is the similar beneficial effect of same embodiment of the method, therefore does not repeat them here.For technical detail undisclosed in the embodiment of the present invention,
It please refers to the description of embodiment of the present invention method and understands, to save length, therefore repeat no more.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include more elements not only include those elements, but also
Including other elements that are not explicitly listed, or further include for this process, method, article or device intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, there is also other identical elements in article or device.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of transmission mechanism, which is characterized in that the mechanism includes bracket, first motor, first gear, shaft and circuit
Plate, the first motor, first gear, shaft and circuit board are respectively provided on the bracket, the output shaft of the first motor
Equipped with the double gear being connected with the first gear, the first gear is adapted with the shaft, described
First gear is equipped with multiple through-holes for being used to install detecting element, and the through-hole at least one described first gear, which is equipped with, to be used
In the rotating device for controlling detecting element rotation, the first motor and the rotating device are and circuit board electrical connection.
2. transmission mechanism according to claim 1, which is characterized in that the rotating device is by the second motor, transmission gear
I, bidentate gear and second gear composition, second motor, transmission gear I are arranged on bracket, and the bidentate gear is set
It sets in shaft, the output shaft of second motor is equipped with the transmission gear II being meshed with transmission gear I, the transmission gear
I is meshed with the small-diameter gear portion of the bidentate gear, and the large diameter gear portion of the bidentate gear is meshed with the second gear, institute
It states second gear to be adapted with through-hole, and for installing detecting element.
3. transmission mechanism according to claim 1 or 2, which is characterized in that described at least one described first gear
Detecting element is eyeglass.
4. transmission mechanism according to claim 1, which is characterized in that the detection at least one described first gear
Element is auxiliary element.
5. transmission mechanism according to claim 1, which is characterized in that the shaft is segmental structure, described in each section
Shaft is adapted with a corresponding first gear.
6. transmission mechanism according to claim 1, which is characterized in that the first gear is equipped with and circuit board electrical connection
Sensor I, the rotating device is equipped with sensor II with circuit board electrical connection.
7. transmission mechanism according to claim 1, which is characterized in that the mechanism further includes interfacial level controller, the boundary
Face controller and circuit board are wirelessly connected, and are equipped with the reset key for restoring the mechanism to original state.
8. transmission mechanism according to claim 1, which is characterized in that the mechanism further includes apparatus for adjusting position, described
Bracket be connected with apparatus for adjusting position.
9. transmission mechanism according to claim 8, which is characterized in that the apparatus for adjusting position includes fixing seat, level
Regulating device and front-and-back adjusting device, the level(l)ing device and front-and-back adjusting device are arranged in fixing seat；
The level(l)ing device is made of third motor and screw rod, and the output shaft of the third motor is equipped with and the spiral
The connected one-stage gear transmission device in one end of bar, the screw rod are equipped with the slide being connected with bracket；
The front-and-back adjusting device is made of the 4th motor and worm and gear, output shaft and the worm screw of the 4th motor
One end is meshed by a pair of of gear, and the end of worm gear is equipped with eccentric cam, and the bracket is equipped with and is adapted with eccentric cam
Limiting slot.
10. -9 any transmission mechanism according to claim 1, the mechanism is two pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615960.3A CN109480763A (en) | 2018-12-28 | 2018-12-28 | A kind of transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615960.3A CN109480763A (en) | 2018-12-28 | 2018-12-28 | A kind of transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109480763A true CN109480763A (en) | 2019-03-19 |
Family
ID=65712707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811615960.3A Pending CN109480763A (en) | 2018-12-28 | 2018-12-28 | A kind of transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109480763A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140086A (en) * | 2019-12-31 | 2020-05-12 | 中国工程物理研究院电子工程研究所 | Plane code identifying wheel structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05176893A (en) * | 1992-01-07 | 1993-07-20 | Hoya Corp | Subjective ophthalmoscopic apparatus |
| JPH08317899A (en) * | 1996-03-25 | 1996-12-03 | Nikon Corp | Self-awareness type optometric device |
| KR19990006229A (en) * | 1997-06-28 | 1999-01-25 | 민문식 | Phoroptor Astigmatism Rotors |
| CN202458314U (en) * | 2012-01-13 | 2012-10-03 | 张仁发 | Automatic optometry instrument |
| CN209847140U (en) * | 2018-12-28 | 2019-12-27 | 杭州精飞光学仪器制造有限公司 | Transmission mechanism |
-
2018
- 2018-12-28 CN CN201811615960.3A patent/CN109480763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05176893A (en) * | 1992-01-07 | 1993-07-20 | Hoya Corp | Subjective ophthalmoscopic apparatus |
| JPH08317899A (en) * | 1996-03-25 | 1996-12-03 | Nikon Corp | Self-awareness type optometric device |
| KR19990006229A (en) * | 1997-06-28 | 1999-01-25 | 민문식 | Phoroptor Astigmatism Rotors |
| CN202458314U (en) * | 2012-01-13 | 2012-10-03 | 张仁发 | Automatic optometry instrument |
| CN209847140U (en) * | 2018-12-28 | 2019-12-27 | 杭州精飞光学仪器制造有限公司 | Transmission mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140086A (en) * | 2019-12-31 | 2020-05-12 | 中国工程物理研究院电子工程研究所 | Plane code identifying wheel structure |
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Application publication date: 20190319 |