CN113171055A - An easily adjustable auxiliary vision test device for ophthalmology - Google Patents
An easily adjustable auxiliary vision test device for ophthalmology Download PDFInfo
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- CN113171055A CN113171055A CN202110599390.9A CN202110599390A CN113171055A CN 113171055 A CN113171055 A CN 113171055A CN 202110599390 A CN202110599390 A CN 202110599390A CN 113171055 A CN113171055 A CN 113171055A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0075—Apparatus for testing the eyes; Instruments for examining the eyes provided with adjusting devices, e.g. operated by control lever
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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
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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Abstract
本发明公开了一种用于眼科的易于调整型辅助视力测试装置，涉及视力测试装置技术领域，包括基座、机架、座椅机构、腰部机构、头部承托机构、遮挡机构和测试机构，所述机架安装在基座的顶部一端，所述座椅机构设置在机架的内侧壁上，所述头部承托机构滑动安装在基座的顶部，遮挡机构固定在机架的内顶壁上且与头部承托机构相配合，测试机构安装于机架的前端上，所述头部承托机构包括第一丝杆滑台、承载组件、脚踏组件和支撑组件，本发明通过座椅机构、腰部机构、头部承托机构、遮挡机构和测试机构相配合，能够实现整体的多方位多需求的调节作业，提高了后续测试效率及精度，且整体实用性能较高以及待测试人员的舒适度较高。
The invention discloses an easily adjustable auxiliary vision testing device for ophthalmology, which relates to the technical field of vision testing devices, including a base, a frame, a seat mechanism, a waist mechanism, a head supporting mechanism, a shielding mechanism and a testing mechanism , the frame is installed on the top end of the base, the seat mechanism is arranged on the inner side wall of the frame, the head support mechanism is slidably installed on the top of the base, and the shielding mechanism is fixed inside the frame The top wall is matched with the head support mechanism, the test mechanism is installed on the front end of the frame, and the head support mechanism includes a first screw slide table, a bearing assembly, a pedal assembly and a support assembly. The present invention Through the cooperation of the seat mechanism, waist mechanism, head support mechanism, shielding mechanism and testing mechanism, the overall multi-directional and multi-demand adjustment operation can be realized, the efficiency and accuracy of subsequent testing are improved, and the overall practical performance is high and needs to be Tester comfort was high.
Description
Technical Field
The invention relates to the technical field of vision testing devices, in particular to an easily-adjusted auxiliary vision testing device for ophthalmology.
Background
The ophthalmology is called "ophthalmology specialty", and the ophthalmology is a discipline for researching diseases occurring in the visual system including eyeball and tissues related to the eyeball, and common ophthalmology diseases are: central serous retinopathy, dry eye, sympathetic ophthalmia, nyctalopia, blindness, amblyopia, astigmatism, trachoma, cataract, diabetic retinopathy, conjunctivitis, presbyopia, achromatopsia, iridochromism, retinitis pigmentosa, central retinal artery occlusion, retinal detachment, myopia, hyperopia, pinprick, snow blindness, aragonima, glaucoma, muscae volitantes and the like. The eye chart is a chart for measuring vision. The domestic visual chart comprises: international standard visual acuity chart, visual acuity chart logarithmic visual acuity chart and the like. The visual acuity chart and the distance visual acuity chart are functionally classified. The visual acuity chart is based on the principle of viewing angle. The inspection of vision is generally divided into far vision and near vision, and the far vision mostly adopts an international standard visual chart which is composed of E characters with different openings and different directions. The visual chart for medical test is mainly used for checking central vision, namely, checking foveal acuity in macular area of retina, so that the preliminary condition of visual function can be simply and rapidly known, and the visual chart has important significance for clinical diagnosis and treatment of eye diseases.
Traditional eyesight test usually adopts the wall body on the external E word eyesight table board that has, the examination personnel that awaits measuring stand and pass through personnel selective examination E word mark in a definite position, test personnel, but this kind of mode efficiency is not only lower, and complex operation, current in order to improve electron vision testing arrangement for efficiency of software testing, the device sits on the seat that sets up on one side through the examination personnel that awaits measuring, manual regulation seat position, until suitable state, the head is carried and is accomplished the eyesight test at electron vision testing arrangement, this kind of mode has improved efficiency of software testing to a certain extent, but not enough lies in: firstly, the method comprises the following steps: the position of the seat needs to be adjusted manually, the efficiency is low, and the subsequent testing precision is influenced to a certain extent; secondly, the method comprises the following steps: the head is carried to be a fixed structure, cannot be adjusted, needs to be adjusted by personnel, and cannot meet the test purpose of different personnel, so that the subsequent diagnosis and treatment are influenced; and the aim of automatically adjusting the distance between the person and the E-shaped test table cannot be realized.
Disclosure of Invention
The invention aims to provide an easily-adjusted auxiliary vision testing device for ophthalmology, which aims to solve the problems that the prior art needs to manually adjust the position of a chair, has low efficiency and influences the subsequent testing precision to a certain extent; the head is carried to be fixed structure, can't adjust and can't realize the technical problem of the interval automatically regulated purpose between people and the E word test table.
The invention provides an easily-adjusted auxiliary vision testing device for ophthalmology, which comprises a base, a rack, a chair mechanism, a waist mechanism, a head supporting mechanism, a shielding mechanism and a testing mechanism, wherein the rack is arranged at one end of the top of the base, the chair mechanism is arranged on the inner side wall of the rack, the waist mechanism is arranged on the chair mechanism, the head supporting mechanism is slidably arranged at the top of the base, the shielding mechanism is fixed on the inner top wall of the rack and matched with the head supporting mechanism, the testing mechanism is arranged at the front end of the rack, the head supporting mechanism comprises a first screw rod sliding table, a bearing component, a pedal component and a supporting component, the first screw rod sliding table is arranged in the base, the bearing component is slidably arranged at the top of the base and connected with the moving end of the first screw rod sliding table, and the pedal component is positioned at the bottom of the bearing component, the supporting component is arranged on the top of the bearing component.
Further, the carrier assembly includes support column, connecting block, flexible post, curb plate, first motor and rotation fluted roller, the top of connecting block is connected with the bottom of support column, the bottom of connecting block is connected with the removal end of first lead screw slip table, be equipped with the transverse groove that supplies the connecting block to remove on the base, flexible post plug-in mounting is on the support column, the curb plate is fixed on the lateral wall of support column, first motor is installed on the curb plate to the output of first motor is connected with the rotation fluted roller, be equipped with on the lateral wall of flexible post and rotate fluted roller engaged with tooth edge group.
Further, the supporting component comprises a locking piece, an arc-shaped butt strap, a connecting shaft and a head positioning frame, the head positioning frame is installed at the top of the telescopic column, the top end of the connecting shaft is connected with the arc-shaped butt strap, the connecting shaft is inserted into the telescopic column, and the locking piece is in threaded connection with the telescopic column.
Furthermore, the pedal assembly comprises a fixed shaft and two pedals, the fixed shaft is fixed at the bottom of the support column, two ends of the fixed shaft protrude out of the side wall of the support column, the two pedals are respectively fixed at two ends of the fixed shaft, and the support column is provided with two handrail parts.
Further, be equipped with the cavity in the frame, seat mechanism includes seat body, second motor, mounting panel, transmission shaft, transmission fluted roller, two fixing bases and two racks, seat body slidable mounting is in the inside wall of frame, two the rack is the symmetry setting and all is connected with the back of seat body, the mounting panel is located the cavity, the second motor is fixed on the lateral wall of mounting panel, two the fixing base interval is fixed in the cavity, the transmission shaft is fixed on two fixing bases to the one end of transmission shaft is connected with the output of second motor, the transmission fluted roller is fixed on the transmission shaft and meshes with two racks mutually.
Further, waist mechanism includes arc bracer, third motor, axis of rotation, swing flange and two linking arms, the arc bracer is fixed on the seat body, the third motor is installed on a lateral wall of arc bracer, the axis of rotation is installed on the arc bracer, two the one end of linking arm is fixed on the both ends of axis of rotation, and the other end of two linking arms is connected with the both ends of swing flange, the output of third motor is connected with the one end of axis of rotation.
Further, the shielding mechanism comprises an electric push rod, a moving block and two shielding assemblies, the electric push rod is horizontally installed on the inner top of the rack, the moving block is installed on the inner top of the rack in a sliding mode and is connected with the output end of the electric push rod, and the two shielding assemblies are symmetrically arranged and are respectively arranged at two ends of the moving block.
Furthermore, each shielding component comprises a vertical plate, a rotating arm plate and a fourth motor, the top of the vertical plate is connected with one end of a moving block, the rotating arm plate is rotatably installed at the bottom of the vertical plate, the fourth motor is fixed on the vertical plate, and the output end of the fourth motor is connected with one end of the rotating arm plate.
Further, accredited testing organization includes E word eyesight table board, second lead screw slip table and T type piece, E word eyesight table board is vertical setting on the interior top of frame, the top in the frame is installed to second lead screw slip table, the both ends of T type piece are connected with the removal end of E word eyesight table board and second lead screw slip table respectively, be equipped with the logical groove that supplies T type piece to remove along its length direction in the frame.
The invention has the beneficial effects that:
1. according to the invention, when a person to be tested sits on the chair body, the first screw rod sliding table drives the bearing component connected with the output end of the first screw rod sliding table and the supporting component on the bearing component to move towards the chair body, so that the space between the chair body and the bearing component can be adjusted in real time according to the body shape difference of the person to be tested, the head positioning frame positions the head of the person to be tested, the arc-shaped lapping plate supports the chin of the person to be tested, and then when the height of the chair body needs to be adjusted, the transmission shaft connected with the output end of the second motor is driven to rotate through the second motor, the transmission gear roller on the transmission shaft is driven to rotate, so that the two racks meshed with the transmission gear roller and the chair body connected with the two racks move and adjust in the vertical direction, and the height of the chair body can be adjusted in real time according to the height difference of the person to be tested, therefore, the aim of adjusting the position and the height of the seat without personnel is fulfilled, and the testing efficiency and the testing precision are improved.
2. The invention drives the rotary gear roller connected with the output end of the rotary gear roller to rotate through the first motor, and drives the telescopic column connected with the gear edge group to move in the height direction of the support column under the meshing of the rotary gear roller and the gear edge group, thereby being capable of adjusting the height of the head positioning frame arranged at the top of the telescopic column and further achieving the purpose of adjusting according to different people to be tested.
3. According to the invention, the two legs and the two hands of a person to be tested can be carried and supported through the pedal assembly and the two armrest parts respectively arranged at the bottom and the top of the support column, so that the comfort level of the person to be tested is improved, and then, the waist of the person to be tested can be supported through the arc-shaped support block arranged on the seat body; utilize the axis of rotation that third motor drive is connected rather than the output to rotate, drive two linking arms and the swing flange swing that is connected with two linking arms, realize pressing to the testee waist is reciprocal, further improved the await measuring personnel's comfort level, and move the T type piece that the end is connected through second lead screw slip table drive rather than, the event drives the E word eyesight table synchronous motion who is connected with T type piece, the realization can be according to the interval of test demand adjustment testee to E word eyesight table.
Drawings
FIG. 1 is a schematic view of a first angular perspective structure of the present invention;
FIG. 2 is a schematic view of a second angular perspective structure according to the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a partial perspective sectional view of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a perspective view of the head support mechanism of the present invention;
FIG. 8 is a side view of FIG. 7;
FIG. 9 is a cross-sectional view taken along line A-A of FIG. 8;
fig. 10 is a plan view of a partial structure of the present invention.
Reference numerals:
1-base, 11-transverse groove, 2-frame, 21-through groove, 3-seat mechanism, 31-seat body, 32-second motor, 33-mounting plate, 34-transmission shaft, 35-transmission gear roller, 36-fixing seat, 37-rack, 4-waist mechanism, 41-arc supporting block, 42-third motor, 43-rotating shaft, 44-swinging convex plate, 45-connecting arm, 5-head supporting mechanism, 51-first screw rod sliding table, 52-bearing component, 521-supporting column, 522-connecting block, 523-telescopic column, 524-side plate, 525-first motor, 526-rotating gear roller, 527-gear rib group, 53-pedal component, 531-fixed shaft, 532-pedal plate, 54-a support component, 541-a locking component, 542-an arc-shaped butt strap, 543-a connecting shaft, 544-a head positioning frame, 55-an armrest part, 6-a shielding mechanism, 61-an electric push rod, 62-a moving block, 63-a shielding component, 631-a vertical plate, 632-a rotating arm plate, 633-a fourth motor, 7-a testing mechanism, 71-E-shaped visual chart plate, 72-a second screw rod sliding table and 73-T-shaped block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In this application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "horizontal," "top," "bottom," "upper," "lower," "inner" and "outer" and the like refer to orientations and positional relationships illustrated in the drawings, which are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or components must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in FIGS. 1-10, the invention provides an easily adjustable auxiliary vision testing device for ophthalmology, comprising a base 1, a frame 2, a chair mechanism 3, a lumbar mechanism 4, a head supporting mechanism 5, a shielding mechanism 6 and a testing mechanism 7, wherein the frame 2 is installed at one end of the top of the base 1, the chair mechanism 3 is arranged on the inner side wall of the frame 2, the lumbar mechanism 4 is installed on the chair mechanism 3, the head supporting mechanism 5 is slidably installed at the top of the base 1, the shielding mechanism 6 is fixed on the inner top wall of the frame 2 and is matched with the head supporting mechanism 5, the testing mechanism 7 is installed at the front end of the frame 2, the head supporting mechanism 5 comprises a first screw rod sliding table 51, a bearing component 52, a pedal component 53 and a supporting component 54, the first screw rod sliding table 51 is installed in the base 1, the bearing component 52 is slidably installed at the top of the base 1 and is connected with the moving end of the first screw rod sliding table 51 Next, the footrest assembly 53 is positioned at the bottom of the carrier assembly 52, and the support assembly 54 is mounted to the top of the carrier assembly 52.
In one embodiment, the bearing assembly 52 includes a supporting column 521, a connecting block 522, a telescopic column 523, a side plate 524, a first motor 525 and a rotating toothed roller 526, the top of the connecting block 522 is connected with the bottom of the supporting column 521, the bottom of the connecting block 522 is connected with the moving end of the first screw rod sliding table 51, the base 1 is provided with a transverse groove 11 for the connecting block 522 to move, the telescopic column 523 is inserted in the supporting column 521, the side plate 524 is fixed on the side wall of the supporting column 521, the first motor 525 is mounted on the side plate 524, the output end of the first motor 525 is connected with the rotating toothed roller 526, the side wall of the telescopic column 523 is provided with a toothed group 527 meshed with the rotating toothed roller 526, the rotating toothed roller 526 connected with the output end of the first motor 525 is driven to rotate by the first motor 525, and under the meshing between the rotating toothed roller 526 and the toothed group 527, the telescopic column 523 connected with the toothed group 527 is driven to move in the height direction of the supporting column 521, thereby being capable of adjusting the height of the head positioning rack 544 arranged on the top of the telescopic column 523 and further achieving the purpose of being adjusted according to different people to be tested.
In one embodiment, the supporting component 54 includes a retaining member 541, an arc-shaped butt strap 542, a connecting shaft 543 and a head positioning frame 544, the head positioning frame 544 is installed at the top of the telescopic column 523, the top end of the connecting shaft 543 is connected with the arc-shaped butt strap 542, the connecting shaft 543 is inserted into the telescopic column 523, the retaining member 541 and the telescopic column 523 are screwed together, the connecting shaft 543 is inserted into the telescopic column 523, the connecting shaft 543 is rapidly positioned under the effect of the screwing of the retaining member 541 and the supporting column 521, so that the height of the arc-shaped butt strap 542 connected with the connecting shaft 543 is adjusted, the positioning operation of different face-shaped heads of people to be tested is met, and the overall practicability is improved.
In one embodiment, the pedal assembly 53 includes a fixed shaft 531 and two pedals 532, the fixed shaft 531 is fixed at the bottom of the supporting column 521, two ends of the fixed shaft 531 protrude out of the side wall of the supporting column 521, the two pedals 532 are respectively fixed at two ends of the fixed shaft 531, the supporting column 521 is provided with two armrest portions 55, and the pedal assembly 53 and the two armrest portions 55 respectively arranged at the bottom and the top of the supporting column 521 can carry and support two legs and two hands of a person to be tested, so that the comfort of the person to be tested is improved.
In one embodiment, a cavity is formed in the frame 2, the seat mechanism 3 includes a seat body 31, a second motor 32, a mounting plate 33, a transmission shaft 34, a transmission gear roller 35, two fixing seats 36 and two racks 37, the seat body 31 is slidably mounted on the inner side wall of the frame 2, the two racks 37 are symmetrically arranged and are connected to the back of the seat body 31, the mounting plate 33 is located in the cavity, the second motor 32 is fixed on the side wall of the mounting plate 33, the two fixing seats 36 are fixed in the cavity at intervals, the transmission shaft 34 is fixed on the two fixing seats 36, one end of the transmission shaft 34 is connected to the output end of the second motor 32, the transmission gear roller 35 is fixed on the transmission shaft 34 and is engaged with the two racks 37, when the height of the seat body 31 needs to be adjusted, the transmission shaft 34 connected to the output end thereof is driven to rotate by the second motor 32, drive the transmission fluted roller 35 on the transmission shaft 34 and rotate to two racks 37 that mesh mutually with transmission fluted roller 35 and the seat body 31 that is connected with two racks 37 move the adjustment in vertical direction, realize adjusting the height of seat body 31 in real time according to the await measuring personnel height difference, thereby reach and do not need personnel to adjust the mesh of seat position and height, improved efficiency of software testing and measuring accuracy.
In one embodiment, the waist mechanism 4 includes an arc supporting block 41, a third motor 42, a rotating shaft 43, a swinging convex plate 44 and two connecting arms 45, the arc supporting block 41 is fixed on the seat body 31, the third motor 42 is installed on one side wall of the arc supporting block 41, the rotating shaft 43 is installed on the arc supporting block 41, one end of each of the two connecting arms 45 is fixed on both ends of the rotating shaft 43, the other end of each of the two connecting arms 45 is connected with both ends of the swinging convex plate 44, the output end of the third motor 42 is connected with one end of the rotating shaft 43, the waist of the person to be tested can be supported by the arc supporting block 41 arranged on the seat body 31, the rotating shaft 43 connected with the output end of the third motor 42 is driven to rotate, the two connecting arms 45 and the swinging convex plates 44 connected with the two connecting arms 45 are driven to swing, so as to realize reciprocating pressing on the waist of the person to be tested, the comfort of the person to be tested is improved.
In one embodiment, the shielding mechanism 6 includes an electric push rod 61, a moving block 62 and two shielding assemblies 63, the electric push rod 61 is horizontally installed on the inner top of the frame 2, the moving block 62 is slidably installed on the inner top of the frame 2, the moving block 62 is connected to the output end of the electric push rod 61, the two shielding assemblies 63 are symmetrically arranged and respectively disposed at two ends of the moving block 62, the moving block 62 connected to the output end of the electric push rod 61 and the two shielding assemblies 63 connected to the moving block 62 are driven by the electric push rod 61 to move towards the head positioning frame 544, so that the subsequent testing operation of a person to be tested is facilitated, and the manual operation of the person is not needed under the work of the two shielding assemblies 63, thereby improving the testing efficiency.
In one embodiment, each shielding component 63 includes a vertical plate 631, a rotating arm plate 632 and a fourth motor 633, the top of the vertical plate 631 is connected with one end of the moving block 62, the rotating arm plate 632 is rotatably installed at the bottom of the vertical plate 631, the fourth motor 633 is fixed on the vertical plate 631, the output end of the fourth motor 633 is connected with one end of the rotating arm plate 632, the rotating arm plate 632 connected with the output end of the fourth motor 633 is driven to rotate by the fourth motor 633, automatic shielding of a single eye can be achieved, manual operation of a person is not needed, and testing efficiency is improved.
In one embodiment, the testing mechanism 7 includes an E-shaped visual acuity chart board 71, a second lead screw sliding table 72 and a T-shaped block 73, the E-shaped visual acuity chart board 71 is vertically arranged on the inner top of the rack 2, the second lead screw sliding table 72 is installed on the top of the rack 2, two ends of the T-shaped block 73 are respectively connected with moving ends of the E-shaped visual acuity chart board 71 and the second lead screw sliding table 72, the T-shaped block 73 connected with the moving ends of the second lead screw sliding table 72 is driven to move, so that the E-shaped visual acuity chart board 71 connected with the T-shaped block 73 is driven to synchronously move, the distance between a person to be tested and the E-shaped visual acuity chart board 71 can be adjusted according to testing requirements, a through groove 21 for the T-shaped block 73 to move along the length direction of the through the rack 2, and the moving stroke of the T-shaped block 73 is limited.
The working principle of the invention is as follows: when a person to be tested sits on the seat body 31, then the first screw rod sliding table 51 drives the bearing component 52 connected with the output end of the first screw rod sliding table and the supporting component 54 on the bearing component 52 to move towards the seat body 31, so that the space between the seat body 31 and the bearing component 52 can be adjusted in real time according to the figure difference of the person to be tested, wherein the head positioning frame 544 positions the head of the person to be tested, the arc-shaped lapping plate 542 supports the chin of the person to be tested, and then when the height of the seat body 31 needs to be adjusted, the second motor 32 drives the transmission shaft 34 connected with the output end of the second motor to rotate, so as to drive the transmission gear roller 35 on the transmission shaft 34 to rotate, so that the two racks 37 meshed with the transmission gear roller 35 and the seat body 31 connected with the two racks 37 move and adjust in the vertical direction, and the height of the seat body 31 can be adjusted in real time according to the height difference of the person to be tested, therefore, the aim of adjusting the position and the height of the seat without personnel is fulfilled, and the testing efficiency and the testing precision are improved; the rotating toothed roller 526 connected with the output end of the first motor 525 is driven to rotate through the first motor 525, the telescopic column 523 connected with the toothed group 527 is driven to move in the height direction of the supporting column 521 under the meshing of the rotating toothed roller 526 and the toothed group 527, so that the height of the head positioning frame 544 arranged at the top of the telescopic column 523 can be adjusted, and the aim of adjusting different people to be tested is further achieved, wherein the height of the arc-shaped butt strap 542 connected with the connecting shaft 543 can be adjusted by utilizing the screw joint of the locking piece 541 and the supporting column 521 and inserting the connecting shaft 543 on the telescopic column 523, the positioning operation of the face type heads of different people to be tested is met, and the overall practicability is improved; the two legs and the two hands of the person to be tested can be carried and supported through the pedal assembly 53 and the two armrest parts 55 which are respectively arranged at the bottom and the top of the supporting column 521, the comfort level of the person to be tested is improved, and then the waist of the person to be tested can be supported through the arc-shaped supporting block 41 arranged on the seat body 31; utilize third motor 42 drive the axis of rotation 43 that is connected rather than the output to rotate, drive two linking arms 45 and the swing flange 44 swing that is connected with two linking arms 45, realize pressing to await measuring personnel's waist reciprocal, further improved await measuring personnel's comfort level to through the T type piece 73 removal of second lead screw slip table 72 drive rather than the removal end be connected, so drive the E word eyesight table board 71 synchronous motion that is connected with T type piece 73, the realization can be according to the test demand adjustment await measuring personnel to the interval of E word eyesight table board 71.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110599390.9A CN113171055A (en) | 2021-05-31 | 2021-05-31 | An easily adjustable auxiliary vision test device for ophthalmology |
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| CN202110599390.9A CN113171055A (en) | 2021-05-31 | 2021-05-31 | An easily adjustable auxiliary vision test device for ophthalmology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220000359A1 (en) * | 2020-07-01 | 2022-01-06 | Zaaf Science Group LLC | Automated refraction examination system |
| CN114259202A (en) * | 2021-12-23 | 2022-04-01 | 中国人民解放军总医院第八医学中心 | An ophthalmic detection device |
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| CN114259202A (en) * | 2021-12-23 | 2022-04-01 | 中国人民解放军总医院第八医学中心 | An ophthalmic detection device |
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Application publication date: 20210727 |