CN112493985A - Full-automatic computerized optometry unit capable of automatically tracking human eyes - Google Patents
Full-automatic computerized optometry unit capable of automatically tracking human eyes Download PDFInfo
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- CN112493985A CN112493985A CN202011366409.7A CN202011366409A CN112493985A CN 112493985 A CN112493985 A CN 112493985A CN 202011366409 A CN202011366409 A CN 202011366409A CN 112493985 A CN112493985 A CN 112493985A
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- 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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Abstract
The invention discloses a full-automatic computerized optometry unit capable of automatically tracking human eyes, which relates to the technical field of medical optometry equipment and comprises a base, wherein the surface of the base is slidably connected with a vertical frame, a vision head and a display screen are fixedly arranged on the surface of the vertical frame, the surface of the base is fixedly connected with a head buckle frame, the inner wall of the base is provided with a focusing mechanism, the focusing mechanism comprises a speed reducer, and the outer wall of the speed reducer is fixedly connected with the inner wall of the base. According to the invention, through the mutual matching of the structures, the optical head has the effects that the transverse position and the longitudinal position of the optical head can be conveniently adjusted, so that the optical head can be quickly aligned with the eyes of a patient, the head of the patient can be automatically fixed in the measuring process, the patient can be kept concentrated, and the measuring result has higher accuracy, and the problems that the traditional optometry instrument cannot be conveniently aligned with the eyes of the patient, and the measuring result is easy to deviate due to the movement of the head of the patient in the using process of the device are solved.
Description
Technical Field
The invention relates to the technical field of medical optometry equipment, in particular to a full-automatic computerized optometry instrument capable of automatically tracking human eyes.
Background
The refraction is to examine the convergence of light after the light is incident on the eyeball, and the convergence and divergence difference degree between the examined eye and the emmetropia eye is measured by taking the emmetropia eye state as a standard. Since many people almost come close to the spectacles in a lifetime, optometry is one of the most basic, common and important tasks for optometrists, and so the term optometry is well known to both ophthalmologists and common people in social life.
For example, the chinese patent No. cn202010140238.x discloses an automatic tracking system for human eyes of computer optometry, which comprises a forehead support, a chin support and a rotating rod, wherein the rotating rod is extruded by downward movement of the chin support, so that the rotating rod rotates in a fourth sliding groove, and the rotating rod is clamped on two sides of the head to fix the head, thereby preventing the accuracy of a test result from being reduced due to shaking of the head during testing.
This computer refractometer has following problem when using, at first, this computer refractometer is very inconvenient when adjusting the optometry head position, and the eye of the alignment user of unable convenient leads to the measuring result to appear the deviation, and the patient is advancing when measuring, can't guarantee to patient's head remain stable fixed to influence final measuring result, it is very inconvenient in the in-service use process.
Disclosure of Invention
The invention aims to provide a full-automatic computerized optometry unit capable of automatically tracking human eyes, which has the effects of conveniently adjusting the transverse and longitudinal positions of an optometry head so as to be quickly aligned with the eyes of a patient, automatically fixing the head of the patient in the measurement process, keeping the patient focused and enabling the measurement result to be more accurate, and solves the problems that the traditional optometry unit cannot be conveniently aligned with the eyes of the patient, and the measurement result is easily deviated due to the movement of the head of the patient in the use process of the device.
In order to achieve the purpose, the invention provides the following technical scheme: the full-automatic computerized optometry unit capable of automatically tracking the human eye comprises a base, wherein a vertical frame is connected to the surface of the base in a sliding mode, a vision head and a display screen are fixedly mounted on the surface of the vertical frame, a head buckle frame is fixedly connected to the surface of the base, and a focusing mechanism is arranged on the inner wall of the base.
The mechanism of focusing includes the speed reducer, the outer wall of speed reducer and the inner wall fixed connection of base, the output fixedly connected with threaded rod of speed reducer, the surperficial threaded connection of threaded rod has the thread bush, spacing groove one and spacing groove two have been seted up to the inner wall of base, the inner wall of spacing groove one is followed to the bottom of thread bush slides, the inner wall sliding connection of thread bush has the displacement piece, the opening that supplies the displacement piece to pass and remove is seted up to the upper end of base, the inner wall sliding connection of spacing groove two has electric putter, electric putter's flexible head and the inner wall fixed connection of displacement piece, the upper end of displacement piece and the bottom surface fixed connection of grudging post, the inner wall of head knot frame is provided with fixed establishment.
Preferably, the fixed establishment includes the bracket, the bottom surface fixedly connected with telescopic link of bracket, telescopic link axle arm has cup jointed nest block one, the dorsal part of nest block one and the inner wall fixed connection of head buckle frame, the both sides of telescopic link all articulate there is the hinge bar, two the back of the body end of hinge bar all articulates there is the slider, two spacing groove three, two have been seted up to the inner wall of head buckle frame the surface of slider slides along the inner wall of two spacing groove three respectively, two the equal fixedly connected with butt joint board in upper end of slider, the bottom fixedly connected with spring one of telescopic link, two the surface of slider is provided with complementary unit.
Preferably, two equal fixedly connected with stop collar in opposite side of butt joint board, two the equal fixedly connected with spring two of inner wall of stop collar, two equal fixedly connected with fixed block of two tip of spring, two the surface of fixed block slides along the inside of two stop collars respectively.
Preferably, the complementary unit includes two spacing grooves four, two the surface at two fixed blocks is seted up respectively to the spacing groove four the equal sliding connection of inner wall of spacing groove four has traveller one, two the equal fixedly connected with rack plate in dorsal part of traveller one, two the equal sliding connection in dorsal part of rack plate has the expansion plate, two the inner wall of head buckle frame is all followed on the surface of expansion plate slides from top to bottom.
Preferably, two equal fixedly connected with traveller two in the back of the body end of rack board, two swash plates of inner wall fixedly connected with of head buckle frame, two the surface of swash plate all runs through and is provided with the chute, two the beam arm of traveller two slides along the inner wall of two chutes respectively.
Preferably, two the equal fixedly connected with cover block two in surface of expansion plate, two the inner wall of cover block two all rotates through the bearing and is connected with the pivot, two the equal fixedly connected with gear in bottom of pivot, two the tooth of gear respectively with the tooth mesh mutually of two rack boards.
Preferably, the surfaces of the two rotating shafts are fixedly connected with alcohol patches.
Preferably, the surface of the bracket is fixedly connected with a buffer block, and the surface of the buffer block is provided with anti-skid grains.
Compared with the prior art, the invention has the following beneficial effects:
the invention is provided with a base, a vertical frame, a vision head, a display screen, a head buckle frame, a speed reducer, a threaded rod, a threaded sleeve, a first limit groove, a second limit groove and a displacement block, wherein a user firstly aims eyes at a camera of the vision head, then an operator starts the speed reducer, the threaded rod is driven to rotate by the rotation of an output shaft of the speed reducer, the threaded sleeve moves left and right along the inner wall of the first limit groove under the rotation process of the threaded rod and the limiting action of the pair of threaded sleeves of the limit grooves, so that the displacement block is driven to move left and right, the vertical frame is driven to move transversely by the process of moving left and right through the displacement block, the transverse position of the vision head is adjusted by moving transversely through the vertical frame, meanwhile, the displacement block moves left and right to drive an electric push rod to move transversely along the second limit groove, after the transverse position of the, the telescopic process through the electric push rod head drives the displacement block to move longitudinally along the inner wall of the threaded sleeve, so that the process of moving longitudinally through the displacement block drives the vertical frame to move longitudinally, the vertical frame moves longitudinally to drive the vision head to adjust the longitudinal position, and the position of the vision head is adjusted through the process, so that the accuracy of a final measuring result is guaranteed.
The invention is provided with a bracket, a telescopic rod, a sleeve block I, a hinge rod, a slide block, a limiting groove III, a butting plate, a limiting sleeve, a spring I and a spring II, when a user uses the device, the head is placed in a head buckle frame, a chin is placed on the bracket, the head is released, the bracket is extruded downwards, the telescopic rod is driven to move downwards vertically under the limiting of the sleeve block I, so that the two hinge rods are driven to move downwards, the two slide blocks are driven to move relatively along the inner walls of the two limiting grooves III respectively through the downward moving process of the two hinge rods, the two butting plates are driven to move relatively through the relative movement of the two slide blocks, so that the two fixing blocks are driven to move relatively through the relative movement of the two butting plates and further contact with the face of the user, and the two butting plates continue to move relatively, so that the two fixing blocks respectively extrude the two springs II, elastic force through two springs two makes two fixed blocks carry out the butt with user's facial both sides respectively, and then has reached and has carried out the effect fixed to user's head, has avoided user's head in the measurement process to take place to remove and influence final effect.
The invention is provided with a fixed block, a fourth limiting groove, a first sliding column, a rack plate, a telescopic plate, a second sliding column, an inclined plate, a chute, a second sleeve block, a rotating shaft, a gear and an alcohol patch, wherein the two sliding columns are driven to move relatively by the process that two sliding blocks respectively move relatively along the inner walls of two third limiting grooves, so that the two rack plates are driven to move relatively, so that the two gears are driven to rotate, the two rotating shafts are driven to rotate by the rotation of the two gears, so that the two alcohol patches are driven to rotate, the two sliding columns slide upwards along the inner walls of the chute by the relative movement of the two rack plates, so that the two rack plates are driven to move upwards, so that the two alcohol patches move upwards and rotate simultaneously, so that the two alcohol patches are respectively abutted against the two sides of cheeks of users, and are contacted with the faces of the users by the ice alcohol patch, the user can concentrate on the spirit quickly, and the pupil can be focused, so that the measuring result is more accurate.
According to the invention, by arranging the buffer block, the phenomenon that a patient feels uncomfortable when placing the chin on the bracket is avoided, and the comfort of the use of the device is improved.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 in accordance with the present invention;
FIG. 3 is a left side cross-sectional view of a portion of the structure of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic diagram of the motion state of the structure of FIG. 3 according to the present invention
FIG. 5 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
fig. 6 is a front cross-sectional view of a portion of the structure of fig. 3 in accordance with the present invention.
In the figure: 1. a base; 2. erecting a frame; 3. a head of a viewer; 4. a display screen; 5. a head buckle frame; 6. a speed reducer; 7. a threaded rod; 8. a threaded sleeve; 9. a first limiting groove; 10. a second limiting groove; 11. a displacement block; 12. a bracket; 13. a telescopic rod; 14. sleeving a first sleeve block; 15. a hinged lever; 16. a slider; 17. a third limiting groove; 18. a butt joint plate; 19. a limiting sleeve; 20. a first spring; 21. a second spring; 22. a fixed block; 23. a fourth limiting groove; 24. a sliding column I; 25. a rack plate; 26. a retractable plate; 27. a sliding column II; 28. a sloping plate; 29. a chute; 30. a second sleeve block; 31. a rotating shaft; 32. a gear; 33. alcohol pasting; 34. a buffer block; 35. an electric push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a full-automatic computerized optometry unit capable of automatically tracking human eyes comprises a base 1, wherein the surface of the base 1 is connected with a stand 2 in a sliding mode, a vision head 3 and a display screen 4 are fixedly installed on the surface of the stand 2, a head buckle frame 5 is fixedly connected to the surface of the base 1, the vision head 3 and the display screen 4 are respectively equivalent to a tester and a touch screen in a comparison scheme mentioned in the background technology of the invention, the specific use method of the structure refers to the content in the specific implementation mode of the comparison scheme, so that the detailed description is omitted, and a focusing mechanism is arranged on the inner wall of the base 1.
The focusing mechanism comprises a speed reducer 6, the outer wall of the speed reducer 6 is fixedly connected with the inner wall of a base 1, the output end of the speed reducer 6 is fixedly connected with a threaded rod 7, the surface of the threaded rod 7 is in threaded connection with a threaded sleeve 8, the inner wall of the base 1 is provided with a first limiting groove 9 and a second limiting groove 10, the bottom end of the threaded sleeve 8 slides along the inner wall of the first limiting groove 9, the inner wall of the threaded sleeve 8 is in sliding connection with a displacement block 11, the upper end of the base 1 is provided with an opening through which the displacement block 11 passes and moves, the inner wall of the second limiting groove 10 is in sliding connection with an electric push rod 35, the telescopic head of the electric push rod 35 is fixedly connected with the inner wall of the displacement block 11, the upper end of the displacement block 11 is fixedly connected with the bottom surface of a stand 2, a user firstly aligns eyes with a camera of, under the limiting effect of the threaded sleeve 8 through the rotating process of the threaded rod 7 and the limiting groove I9, the threaded sleeve 8 moves left and right along the inner wall of the limiting groove I9, so that the displacement block 11 is driven to move left and right, the vertical frame 2 is driven to move transversely through the process of moving left and right through the displacement block 11, the vertical frame 2 is moved transversely so as to adjust the transverse position of the optohead 3, meanwhile, the displacement block 11 moves left and right to drive the electric push rod 35 to move transversely along the limiting groove II 10, after the transverse position of the optohead 3 is adjusted, an operator starts the electric push rod 35, the displacement block 11 is driven to move longitudinally along the inner wall of the threaded sleeve 8 through the telescopic process of the electric push rod 35, so that the vertical frame 2 is driven to move longitudinally through the displacement block 11, the vertical frame 2 is driven to move longitudinally to drive the optohead 3 to adjust the longitudinal position, therefore, the position of the optometry head 3 is adjusted through the process, the accuracy of the final measurement result is ensured, and the inner wall of the head buckle frame 5 is provided with the fixing mechanism.
In the above scheme, specifically, the fixing mechanism includes a bracket 12, a telescopic rod 13 is fixedly connected to the bottom surface of the bracket 12, a sleeve block 14 is sleeved on an axial arm of the telescopic rod 13, the back side of the sleeve block 14 is fixedly connected to the inner wall of the buckle frame 5, two sides of the telescopic rod 13 are hinged to hinge rods 15, opposite ends of the two hinge rods 15 are hinged to sliders 16, two limit grooves three 17 are formed in the inner wall of the buckle frame 5, the surfaces of the two sliders 16 respectively slide along the inner walls of the two limit grooves three 17, abutting plates 18 are fixedly connected to the upper ends of the two sliders 16, limit sleeves 19 are fixedly connected to opposite sides of the two abutting plates 18, springs two 21 are fixedly connected to the inner walls of the two limit sleeves 19, fixed blocks 22 are fixedly connected to the end portions of the two springs 21, the surfaces of the two fixed blocks 22 respectively slide along the insides of the two limit sleeves 19, and a spring one, the surfaces of the two sliding blocks 16 are provided with auxiliary mechanisms, when a user uses the device, the head is placed in the head buckle frame 5, the chin is placed on the bracket 12, the head is loosened, the bracket 12 is extruded downwards, the telescopic rod 13 is driven to move downwards vertically under the limit of the sleeve block I14, so that the two hinge rods 15 are driven to move downwards, the two sliding blocks 16 are driven to move relatively along the inner walls of the two limit grooves III 17 respectively through the downward movement process of the two hinge rods 15, the two abutting plates 18 are driven to move relatively through the relative movement of the two sliding blocks 16, so that the two fixed blocks 22 are driven to move relatively through the relative movement of the two abutting plates 18, the two fixed blocks 22 are further contacted with the face of the user, and the two springs II 21 are extruded by the two fixed blocks 22 along with the continuous relative movement process of the two abutting plates 18, elastic force through two springs 21 makes two fixed blocks 22 carry out the butt with user's facial both sides respectively, and then has reached and has carried out the effect fixed to user's head, has avoided user's head to take place to remove and influence final effect in the measurement process.
In the above scheme, specifically, the auxiliary mechanism includes two limiting grooves four 23, the two limiting grooves four 23 are respectively arranged on the surfaces of the two fixing blocks 22, the inner walls of the two limiting grooves four 23 are respectively connected with the sliding columns one 24 in a sliding manner, the back sides of the two sliding columns one 24 are respectively fixedly connected with the rack plates 25, the back sides of the two rack plates 25 are respectively connected with the expansion plates 26 in a sliding manner, the surfaces of the two expansion plates 26 respectively slide up and down along the inner walls of the buckle frame 5, the opposite ends of the two rack plates 25 are respectively fixedly connected with the sliding columns two 27, the inner walls of the buckle frame 5 are respectively fixedly connected with the two inclined plates 28, the surfaces of the two inclined plates 28 are respectively provided with the inclined grooves 29 in a penetrating manner, the shaft arms of the two sliding columns two 27 respectively slide along the inner walls of the two inclined grooves 29, the surfaces of the two expansion plates 26 are respectively fixedly connected with the sleeve blocks two 30, the inner walls of the two sleeve blocks, the teeth of the two gears 32 are respectively meshed with the teeth of the two rack plates 25, the surfaces of the two rotating shafts 31 are fixedly connected with alcohol patches 33, the two sliding columns 24 are driven to move relatively through the process that the two sliding blocks 16 respectively move relatively along the inner walls of the two limiting grooves III 17, so that the two rack plates 25 are driven to move relatively, the two gears 32 are driven to rotate, the two rotating shafts 31 are driven to rotate through the rotation of the two gears 32, and then the two alcohol patches 33 are driven to rotate, the two sliding columns II 27 slide upwards along the inner walls of the inclined grooves 29 through the relative movement of the two rack plates 25, so that the two rack plates 25 are driven to move upwards, and further the expansion plates 26 are driven to move upwards, the two alcohol patches 33 rotate upwards while moving through the process, so that the two alcohol patches are respectively abutted against the two sides of cheeks of users, and are in contact with the faces of the users through the cool alcohol patches 33, the user can concentrate on the spirit quickly, and the pupil can be focused, so that the measuring result is more accurate.
Among the above-mentioned scheme, specific, the fixed surface of bracket 12 is connected with buffer block 34, and anti-skidding line has been seted up on buffer block 34's surface, through setting up buffer block 34, has avoided the patient to place the chin and has felt discomfort on bracket 12, improves the comfortable type that the device used.
The working principle is as follows: this but full-automatic computerized optometry appearance of automatic tracking people's eye when using, the user at first aims at the camera of optotype head 3 with the eye, then operating personnel starts speed reducer 6, it rotates to drive threaded rod 7 through the rotation of 6 output shafts of speed reducer, under the limiting displacement to the thread bush 8 through the rotation process of threaded rod 7 and spacing groove one 9, make thread bush 8 remove about along the inner wall of spacing groove one 9, thereby drive displacement piece 11 and remove about, the process that removes about removing through displacement piece 11 drives grudging post 2 and carries out lateral shifting, thereby carry out lateral shifting through grudging post 2 and adjust the transverse position of optotype head 3, displacement piece 11 removes about simultaneously and drives electric putter 35 and carry out lateral shifting along spacing groove two 10, after the transverse position adjustment of optotype head 3 finishes, operating personnel starts electric putter 35, the flexible process through electric putter 35 head drives displacement piece 11 and carries out longitudinal shifting along the inner wall of thread bush 8 Moving, thereby driving the vertical frame 2 to move longitudinally through the process of moving longitudinally by the displacement block 11, driving the vision head 3 to adjust the longitudinal position through the vertical frame 2, thereby adjusting the position of the vision head 3 through the above process, thereby ensuring the accuracy of the final measurement result, when a user uses the device, the head is placed in the head buckle frame 5, the chin is placed on the bracket 12, the head is released, so that the bracket 12 is extruded downwards, the telescopic rod 13 is driven to move downwards vertically under the limit of the sleeve block I14, thereby driving the two hinged rods 15 to move downwards, the process of moving downwards by the two hinged rods 15 drives the two sliding blocks 16 to move relatively along the inner walls of the two limit grooves III 17 respectively, the relative motion is carried out by the two sliding blocks 16 to drive the two abutting plates 18 to move relatively, thereby the relative motion is carried out by the two abutting plates 18 to drive the two fixed blocks 22 to move relatively, and then contact with the face of the user, the process of relative movement is continued along with the two abutting plates 18, so that the two fixing blocks 22 respectively extrude the two springs two 21, the two fixing blocks 22 are respectively abutted against the two sides of the face of the user through the elastic force of the two springs two 21, and the effect of fixing the head of the user is further achieved, the problem that the final effect is influenced by the movement of the head of the user in the measuring process is avoided, and the process of relative movement of the two sliders 16 respectively along the inner walls of the two limiting grooves three 17 drives the two sliding columns one 24 to move relatively, so as to drive the two rack plates 25 to move relatively, so as to drive the two gears 32 to rotate, the two rotating shafts 31 are driven to rotate by the rotation of the two gears 32, so as to drive the two alcohol patches 33 to rotate, the two rack plates 25 move relatively, so that the two sliding columns two 27 slide upwards along the inner walls of the inclined grooves, thereby drive two rack plate 25 and upwards remove, and then drive expansion plate 26 and move up, rotate when making two alcohol paster 33 upward movements through above-mentioned process to respectively with the both sides butt of user's cheek, through ice-cold alcohol paster 33 and user's facial contact, make user's spirit concentrate fast, and make the pupil focus, make measuring result more accurate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A full-automatic computerized optometry unit capable of automatically tracking human eyes comprises a base (1), wherein a vertical frame (2) is connected to the surface of the base (1) in a sliding mode, a vision head (3) and a display screen (4) are fixedly mounted on the surface of the vertical frame (2), and a head buckle frame (5) is fixedly connected to the surface of the base (1), and is characterized in that: the inner wall of the base (1) is provided with a focusing mechanism;
the focusing mechanism comprises a speed reducer (6), the outer wall of the speed reducer (6) is fixedly connected with the inner wall of a base (1), the output end of the speed reducer (6) is fixedly connected with a threaded rod (7), the surface of the threaded rod (7) is in threaded connection with a threaded sleeve (8), the inner wall of the base (1) is provided with a first limiting groove (9) and a second limiting groove (10), the bottom end of the threaded sleeve (8) slides along the inner wall of the first limiting groove (9), the inner wall of the threaded sleeve (8) is in sliding connection with a displacement block (11), the upper end of the base (1) is provided with an opening through which the displacement block (11) passes and moves, the inner wall of the second limiting groove (10) is in sliding connection with an electric push rod (35), the telescopic head of the electric push rod (35) is fixedly connected with the inner wall of the displacement block (11), and the upper end of the displacement block (11) is fixedly connected with, the inner wall of the head buckle frame (5) is provided with a fixing mechanism.
2. The fully automatic computerized optometry apparatus for automatically tracking a human eye according to claim 1, wherein: fixing mechanism includes bracket (12), bottom surface fixedly connected with telescopic link (13) of bracket (12), telescopic link (13) beam arm has cup jointed nest block one (14), the dorsal part of nest block one (14) and the inner wall fixed connection of head buckle frame (5), the both sides of telescopic link (13) all articulate there are hinge rod (15), two hinge rod (15) the end of carrying on the back all articulates there is slider (16), two spacing groove three (17), two have been seted up to the inner wall of head buckle frame (5) the surface of slider (16) slides along the inner wall of two spacing groove three (17) respectively, two the equal fixedly connected with butt joint board (18) in upper end of slider (16), the bottom fixedly connected with spring one (20) of telescopic link (13), two the surface of slider (16) is provided with complementary unit.
3. The fully automatic computerized optometry apparatus for automatically tracking a human eye according to claim 2, wherein: the two butt joint plates (18) are fixedly connected with limiting sleeves (19) on the opposite sides, two springs (21) are fixedly connected with the inner walls of the limiting sleeves (19), fixing blocks (22) are fixedly connected with the end portions of the springs (21), and the surfaces of the fixing blocks (22) slide along the inner portions of the two limiting sleeves (19) respectively.
4. The fully automatic computerized optometry apparatus for automatically tracking a human eye according to claim 2, wherein: the complementary unit includes four (23), two in two spacing grooves four (23) set up respectively on the surface of two fixed blocks (22), two the equal sliding connection in inner wall of four (23) in spacing groove has traveller (24), two the equal fixedly connected with rack plate (25) in dorsal part of traveller (24), two the equal sliding connection in dorsal part of rack plate (25) has expansion plate (26), two the surface of expansion plate (26) is all slided from top to bottom along the inner wall of buckle frame (5).
5. The fully automatic computerized optometry apparatus for automatically tracking a human eye according to claim 4, wherein: two equal fixedly connected with traveller two (27) in the back of the body end of rack plate (25), two swash plates (28) of inner wall fixedly connected with of head buckle frame (5), two the surface of swash plate (28) all runs through and is provided with chute (29), two the inner wall of two chutes (29) is slided respectively along the armshaft of traveller two (27).
6. The fully automatic computerized optometry apparatus for automatically tracking a human eye according to claim 4, wherein: two the equal fixedly connected with cover block two (30) in surface of expansion plate (26), two the inner wall of cover block two (30) all rotates through the bearing and is connected with pivot (31), two the equal fixedly connected with gear (32) in bottom of pivot (31), two the tooth of gear (32) meshes with the tooth of two rack plates (25) respectively mutually.
7. The fully automatic computerized optometry apparatus for automatically tracking a human eye according to claim 6, wherein: the surfaces of the two rotating shafts (31) are fixedly connected with alcohol patches (33).
8. The fully automatic computerized optometry apparatus for automatically tracking a human eye according to claim 2, wherein: the surface of the bracket (12) is fixedly connected with a buffer block (34), and anti-skid lines are arranged on the surface of the buffer block (34).
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| CN202011366409.7A CN112493985B (en) | 2020-11-29 | 2020-11-29 | Full-automatic computerized optometry unit capable of automatically tracking human eyes |
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| CN202011366409.7A CN112493985B (en) | 2020-11-29 | 2020-11-29 | Full-automatic computerized optometry unit capable of automatically tracking human eyes |
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| CN112493985B CN112493985B (en) | 2022-05-17 |
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