CN107411942A

CN107411942A - Medical Devices for eyesight-exercising

Info

Publication number: CN107411942A
Application number: CN201710662666.7A
Authority: CN
Inventors: 张明
Original assignee: Ange Yuan Instruments & Meters Inspection Co Ltd
Current assignee: Ange Yuan Instruments & Meters Inspection Co Ltd
Priority date: 2017-08-04
Filing date: 2017-08-04
Publication date: 2017-12-01

Abstract

The invention discloses a kind of Medical Devices for eyesight-exercising, including box body, the imaging screen in the box body, the eyepiece mouth on the housing and the eyepiece more changing device being engaged with the eyepiece mouth；The box body is provided with a guide rail, and the imaging screen connects a base, and the base connects an actuator, and the base can drive the imaging screen to be moved forward and backward along the guide rail in the presence of actuator；The actuator has a rotatable output shaft, and the output shaft drives the base fore-aft motion by a transmission parts.The setting that the present invention passes through transmission parts, the spinning movement of output shaft is converted into moving forward and backward for base, so as to compare for actuator carries out by the way of linear promotion, only need by controlling the rotating of output shaft that the movable of base can be achieved, actuator is hardly damaged, service life of equipment length.

Description

Medical Devices for eyesight-exercising

Technical field

The invention belongs to mechanical health care technology field, more particularly, to a kind of Medical Devices for eyesight-exercising.

Background technology

Eyes are organs important in human sensory, but are continuously emerged with the continuous progress, electronic product etc. in epoch, Cause use of the people to eyes more and more heavier so that the degree of fatigue of eyes is constantly deepened, therefore protects eyesight to every It is all extremely important for individual, so as to occur a variety of eyesight-exercising instrument on existing market.But in existing eyesight-exercising Among instrument, the movement for imaging screen is generally all the actuator that is acted by cylinder isoline to drive before and after imaging screen carries out It is mobile；The influence of part reciprocating action speed is driven, the translational speed of imaging screen is slower, and is difficult to control in multiple movement The shift position of imaging screen differs, and scene changes degree when being trained to eyesight is low, and imaging screen translational speed compared with Slowly, operating efficiency is influenceed.Simultaneously as reciprocating action is excessively frequent, actuator is easily damaged, and service life is short.

The content of the invention

The present invention is for overcome the deficiencies in the prior art, there is provided one kind is hardly damaged, and the eyesight that is used for of service life length is forged The Medical Devices of refining.

To achieve these goals, the present invention uses following technical scheme：A kind of Medical Devices for eyesight-exercising, bag Include box body, the imaging screen in the box body, the eyepiece mouth on the housing and the eyepiece that is engaged with the eyepiece mouth more Changing device；It is rotating disk that the eyepiece more changing device includes coordinating with housing activity, evenly spaced more on the rotating disk Individual eyepiece placed cavity and the eyepiece in the eyepiece placed cavity；The box body is provided with a guide rail, the imaging screen connection One base, the base connect an actuator, and the base can drive the imaging screen along the guide rail in the presence of actuator It is movable；The actuator has a rotatable output shaft, and the output shaft drives the base by a transmission parts Fore-aft motion；Wherein one end of the guide rail is provided with the first locating part, and the other end of guide rail is provided with the second locating part, and described A cushion is respectively equipped with the side that one locating part and second locating part are connected with guide rail.The present invention passes through transmission parts Setting, the spinning movement of output shaft is converted into moving forward and backward for base, uses actuator linear push away so as to compare For dynamic mode, it is only necessary to can be achieved the movable of base by controlling the rotating of output shaft, actuator not rapid wear It is bad, service life of equipment length；And due to rotation speed quickly, so as to drive base drive imaging screen movement when mobile speed Degree is also very fast, and fast so as to the translational speed of imaging screen, the whole efficiency of equipment is greatly improved；And according to turning collar Several difference, you can control imaging screen is eventually stopped on diverse location so that the scene of visual training is more diversified, eyesight The effect of training is more preferable；By the setting of the first locating part and second locating part, base motions can be prevented to rail end When deviate from from guide rail；By the setting of cushion, can reduce between base and the first locating part and second locating part Hit, prevent base from damaging, the service life of extension device.

Further, the transmission parts include the fix bar being fixedly arranged on the box body, the biography being engaged with fix bar Dynamic band and the connector being removably fixed with the transmission belt；The fix bar is located at the guide rail sidepiece, and position correspondence in The end set of the guide rail；Described transmission belt one end is sheathed on outside the fix bar, and the other end is sheathed on the actuator Outside output shaft；Connector is removably fixed with transmission belt, and then when transmission belt rotates, the position of connector can be moved It is dynamic, drive imaging screen to be moved back and forth.

Further, a movable part is provided between the fix bar and the transmission belt, the movable part includes activity The movable sleeve and the lubricating layer between the movable sleeve and fix bar being sheathed in the fix bar；Set on the movable sleeve with The annular groove that the transmission belt is engaged；Because transmission belt can not possibly be completely in tensioned state in transmission process, so as to be driven For band during action, certain dipping and heaving can occurs in its own, and under traditional structure, transmission belt is directly to be set in admittedly Outside fixed pole, the driven influence with material, frictional force between the two is larger, so as to transmission belt be connected with fix bar one End is generally difficult to moving up and down freely, will be reversed so as to other positions of transmission belt so that the fortune of transmission belt It is dynamic hindered, so as to the phenomenon that interim card occurs that moves back and forth of imaging screen, and after long-term use the abrasion of transmission belt nor Chang Yanchong is, it is necessary to often change conveyer belt；And movable sleeve is provided with the present invention,

Because movable sleeve is movably set in outside fix bar, and the length of fix bar is more than the length of movable sleeve, so as to activity Set is relatively fixed bar rotation while can be relatively fixed bar and moves up and down, and the end of transmission belt can be under the drive of movable sleeve freely Generation dipping and heaving, ensure conveyor belt motion it is smooth, moving back and forth for forming screen is quick and smooth, is not in showing for interim card As；And because transmission belt is set in outside movable sleeve, abrasion is occurred in primarily between movable sleeve and fix bar, the mill of drive sleeve Very little is damaged, it is basic not have to change；Meanwhile and due to there is provided lubricating layer, high degree reduce movable sleeve and fixture it Between frictional force, so as to which abrasion between the two is also very small, extend service life；And reduce frictional force and cause movable sleeve phase It is rotatable to fixture faster so that the movement of imaging screen is more rapid.

Further, the annular groove interior edge its it is circumferentially-spaced be uniformly distributed with a circle strip neck, in the transmission belt It is evenly spaced on surface that some latches are distributed with；By the cooperation of latch and neck, realize between drive sleeve and movable sleeve Rotation stop coordinates, and both will not skid in movement, ensures to be not in abrasion between the two, further extension device makes Use the life-span.

Further, the top of the fix bar is provided with an anti-falling piece, and the anti-falling piece includes the first nut and the second spiral shell Mother, the lower surface of first nut coordinates with the upper surface of the second nut to be contradicted；By the setting of anti-falling piece, effectively prevent from living Dynamic set is deviate from from fix bar upper end；The cooperation of two nuts can ensure that nut will not be in the presence of the frictional force with movable sleeve It is relatively fixed bar movement, good anti-drop effect.

Further, the connecting plate that the connector includes the connecting portion of inverted U-shaped setting and is engaged with the base, institute State connecting portion and be provided with evenly spaced multiple perpendicular teeth；By connecting portion hook on a moving belt, the perpendicular tooth and on connecting portion is with passing The dynamic latch intermeshing taken so that connecting portion can follow directly after transmission belt and together move forward and backward, and then in conveyor belt motion When, you can drive imaging screen to be moved forward and backward.

Further, a sleeve is installed with the output shaft of the actuator, the outer movable sleeve of the sleeve is provided with a transmission Set, the transmission belt are sheathed on outside the drive sleeve；The drive sleeve is provided with the annular groove being engaged with the transmission belt, institute State the groove for being provided with annular groove groove and being engaged with the latch；Due to transmission belt can not possibly be completely in transmission process it is taut Tight state, so as to which transmission belt is during action, certain dipping and heaving can occurs in its own, and under traditional structure, transmission Band is directly to be set in outside output shaft, and the driven influence with material, frictional force between the two is larger, so as to transmission belt One end with exporting axis connection is generally difficult to moving up and down freely, will be turned round so as to other positions of transmission belt Turning so that the motion of transmission belt is hindered, moves back and forth the phenomenon that interim card occurs so as to imaging screen, and after long-term use The abrasion of transmission belt is also very serious, it is necessary to often change conveyer belt；And drive sleeve is provided with the present invention, because drive sleeve is It is movably set in outside output shaft, and the length of output shaft is more than the length of drive sleeve, so as to which drive sleeve is with respect to output shaft rotation It can be moved up and down simultaneously with respect to output shaft, under the drive of drive sleeve freely dipping and heaving can occur for the end of transmission belt, Ensure that conveyor belt motion is smooth, moving back and forth for forming screen is quick and smooth, is not in the phenomenon of interim card；And because transmission belt is It is set in outside drive sleeve, abrasion is occurred in primarily between drive sleeve and output shaft, the abrasion very little of drive sleeve, basic not have to more Change；Meanwhile and because there is provided lubricating layer, the frictional force reduced between drive sleeve and output shaft of high degree, so as to two Abrasion between person is also very small, extends service life；And reduce frictional force and make it that drive sleeve is rotatable with respect to output shaft Faster so that the movement of imaging screen is more rapid.

Further, the output shaft is provided with a rotation stop convex portion, and the sleeve is provided with and is engaged with the rotation stop convex portion Rotation stopper recess；The lower end of the output shaft is provided with a thread groove, and be spirally connected positioning piece in the thread groove, the keeper lower end to Outer extension forms an anticreep flange；By the setting of sleeve, prevent drive shaft from wearing；Pass through rotation stop convex portion and rotation stopper recess Cooperation realize that rotation stop between sleeve and drive shaft coordinates, effectively prevent both from skidding occurs, drive shaft substantially will not There is situation about wearing.

In summary, the present invention has advantages below：By the setting of transmission parts, the spinning movement of output shaft is changed For moving forward and backward for base, so as to compare for actuator carries out by the way of linear promotion, it is only necessary to defeated by controlling The rotating of shaft is that moving forward and backward for base can be achieved, and actuator is hardly damaged, service life of equipment length；And due to rotation Speed quickly, so as to which the translational speed when driving base to drive imaging screen movement is also very fast, so as to the mobile speed of imaging screen Degree is fast, and the whole efficiency of equipment is greatly improved；And according to the difference of turnning circle, you can control imaging screen finally stops Only on diverse location so that the scene of visual training is more diversified, and the effect of visual training is more preferable；Pass through the first locating part With the setting of second locating part, can prevent from from guide rail deviating from during base motions to rail end；Pass through setting for cushion Put, the shock between base and the first locating part and second locating part can be reduced, prevent base from damaging, extension device makes Use the life-span.

Brief description of the drawings

Fig. 1 is the structural representation one of the present invention.

Fig. 2 is schematic structural view of the invention two.

Fig. 3 is the partial schematic diagram one in Fig. 2.

Fig. 4 is the partial schematic diagram two in Fig. 2.

Fig. 5 is the partial schematic diagram three in Fig. 2.

Embodiment

In order that those skilled in the art are better understood from the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.

As Figure 1-5, a kind of sight training instrument, including box body 1, the imaging screen 2 in the box body 1, located at this Eyepiece mouth 3 on housing and the eyepiece more changing device being engaged with the eyepiece mouth；Guide rail 12 is provided with the box body 1, it is described Imaging screen 2 is connected with a base 22, and the base is provided with chute, and base is also associated with an actuator 23；The eyepiece is changed Device includes discoidal rotating disk 41, eyepiece placed cavity 42 and eyepiece 43, and the rotating disk 41 is rotatably coupled by rotating shaft On the box body 1；The eyepiece placed cavity 42 is arranged to multiple, and evenly spaced point is enclosed along the outward flange one of the base Cloth；It is equipped with an eyepiece 43 in each eyepiece placed cavity 42, and the number of degrees of the eyepiece in different eyepiece placed cavities 42 not phase Together；When the eyepiece of different positions follows rotary alignment to the eyepiece mouth 3 on chassis, you can so that user is big in the different number of degrees Eyesight-exercising is carried out in the case of small eyepiece.

The actuator 23 is motor, and the actuator 23 has a rotatable output shaft 231, the output shaft 231 The fore-aft motion of base 21 is driven by a transmission parts；Specifically, the transmission parts include fix bar 61, transmission belt 62 And connector 63, the fix bar 61 are fixedly arranged on the box body, the transmission belt 62 is engaged with fix bar 61, the company Fitting 63 is removably fixed with the transmission belt；The fix bar 61 is located at the sidepiece of guide rail 5, and position correspondence is led in described The end set of rail 5；The transmission belt 62 is belt, and its one end is sheathed on outside the fix bar 61, and the other end is sheathed on described Outside output shaft 231；Preferably, a movable part, the movable part bag are provided between the fix bar 61 and the transmission belt 62 The movable sleeve 641 being movably set in the fix bar and the lubricating layer between the movable sleeve 641 and fix bar 61 are included, should Lubricating layer is lubricating oil；Set the annular groove 642 being engaged with the transmission belt on the movable sleeve 641, table in the transmission belt 62 Face is above evenly spaced along its length to be distributed with some latches, and the inner surface of annular groove 642 is provided with a circle strip neck, Circumferencial direction evenly spaced distribution of these strip necks along the annular groove 642；Latch and neck are mutually twisted so that activity It will not be skidded between set and transmission belt.

The connecting plate 632 that the connector 63 includes the connecting portion 631 of inverted U-shaped setting and is engaged with the base, even On the belt, connecting plate 632 is then spirally connected the hook of socket part 631 with base, and the connecting portion 631 is provided with evenly spaced be distributed with Multiple perpendicular teeth, perpendicular tooth are mutually twisted with latch so that connector can together be moved with the movement of transmission belt.

In order to prevent movable sleeve from deviating from from fix bar, we are provided with an anti-falling piece on the top of the fix bar 61 65, the anti-falling piece 65 includes the first nut 651 and the second nut 652, and the first nut 651 and the second nut 652 are screwed onto The upper end of fix bar 61, and the lower surface of the first nut 651 and the upper surface of the second nut 652 coordinate conflict；The output shaft 231 On be installed with a sleeve 71, the output shaft 231 is provided with a rotation stop convex portion 232, and the sleeve 71 is provided with convex with the rotation stop The rotation stopper recess 711 that portion is engaged, when sleeve is with output axis connection, rotation stop convex portion is caught in rotation stopper recess, realizes both Rotation stop coordinate；Preferably, the 71 outer movable sleeve of sleeve is provided with a drive sleeve 72, and the transmission belt 62 is sheathed on the drive sleeve Outside 72；The drive sleeve 72 is provided with an annular groove 721, and the transmission belt 62 is in the annular groove 721, the annular groove The inwall of groove 721 is provided with a circle groove, the evenly spaced distribution of circumferencial direction of these grooves along annular groove groove 721；In order to Prevent drive sleeve from deviating from, we are provided with a thread groove in the lower end of the output shaft 231, and be spirally connected positioning piece in the thread groove 8, the keeper bottom stretches out to form a circle anticreep flange 81.

Preferably, wherein one end of the guide rail 5 is provided with one first locating part 51, the other end of guide rail 3 is provided with one Second locating part 52, it can prevent from from guide rail deviating from during base motions to rail end；First locating part 51 and described A cushion is respectively equipped with the side that two locating parts 52 are connected with guide rail, the cushion is made up of rubber, and the cushion can subtract Shock between small footprint and the first locating part 51 and second locating part 52, prevents base from damaging.

Obviously, described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, it should all belong to the scope of protection of the invention.

Claims

1. a kind of Medical Devices for eyesight-exercising, including box body（1）, located at the box body（1）Interior imaging screen（2）, set In the eyepiece mouth on the housing（3）And the eyepiece more changing device being engaged with the eyepiece mouth；The eyepiece more changing device include with The rotating disk that housing activity coordinates（41）, evenly spaced multiple eyepiece placed cavities on the rotating disk（42）And located at described Eyepiece in eyepiece placed cavity（43）；It is characterized in that：The box body（1）It is provided with a guide rail（5）, the imaging screen（2）Even Connect a base（21）, the base（21）Connect an actuator（23）, the base（21）Institute can be driven in the presence of actuator State imaging screen（2）Along the guide rail（5）It is movable；The actuator（23）With a rotatable output shaft（231）, it is described Output shaft（231）The base is driven by a transmission parts（21）Fore-aft motion;The guide rail（5）Wherein set on one end There is the first locating part（51）, guide rail（3）The other end be provided with the second locating part（52）, first locating part（51）With described Two locating parts（51）A cushion is respectively equipped with the side being connected with guide rail.

2. the Medical Devices according to claim 1 for eyesight-exercising, it is characterised in that：The transmission parts include solid Fix bar on the box body（61）With fix bar（61）The transmission belt being engaged（62）And it is removably fixed with the transmission The connector taken（63）；The fix bar（61）Located at the guide rail（5）Sidepiece, and position correspondence is in the guide rail（5）'s End set；The transmission belt（62）One end is sheathed on the fix bar（61）Outside, the other end is sheathed on the output shaft（231） Outside.

3. the Medical Devices according to claim 2 for eyesight-exercising, it is characterised in that：The fix bar（61）With institute State transmission belt（62）Between be provided with a movable part, the movable part includes the movable sleeve being movably set in the fix bar （641）With located at the movable sleeve（641）With fix bar（61）Between lubricating layer；The movable sleeve（641）On set and the biography The annular groove that dynamic band is engaged（642）.

4. the Medical Devices according to claim 3 for eyesight-exercising, it is characterised in that：The annular groove（642）Interior edge Its is circumferentially-spaced to be uniformly distributed with a circle strip neck, the transmission belt（62）On inner surface it is evenly spaced be distributed with it is some Latch.

5. the Medical Devices according to claim 2 for eyesight-exercising, it is characterised in that：The fix bar（61）It is upper Portion is provided with an anti-falling piece（65）, the anti-falling piece（65）Including the first nut（651）With the second nut（652）, first spiral shell It is female（651）Lower surface and the second nut（652）Upper surface coordinate contradict.

6. the Medical Devices according to claim 2 for eyesight-exercising, it is characterised in that：The connector（63）Including The connecting portion of inverted U-shaped setting（631）With the connecting plate being engaged with the base（632）, the connecting portion（631）Between being provided with Every uniform multiple perpendicular teeth.

7. the Medical Devices according to claim 2 for eyesight-exercising, it is characterised in that：The output shaft（231）On It is installed with a sleeve（71）, the sleeve（71）Outer movable sleeve is provided with a drive sleeve（72）, the transmission belt（62）It is sheathed on this Drive sleeve（72）Outside；The drive sleeve（72）It is provided with and the transmission belt（62）The annular groove being engaged（721）, the ring Geosynclinal concave groove（721）It is interior provided with the groove being engaged with the latch.

8. the Medical Devices according to claim 7 for eyesight-exercising, it is characterised in that：The output shaft（231）On Provided with a rotation stop convex portion（422）, the sleeve（71）It is provided with the rotation stopper recess being engaged with the rotation stop convex portion（711）；It is described Output shaft（231）Lower end be provided with a thread groove, be spirally connected positioning piece in the thread groove（8）, the keeper lower end stretches out Form an anticreep flange（81）.