CN212434065U - Vision science popularization model convenient for adjusting length of eye axis - Google Patents
Vision science popularization model convenient for adjusting length of eye axis Download PDFInfo
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- CN212434065U CN212434065U CN202021627010.5U CN202021627010U CN212434065U CN 212434065 U CN212434065 U CN 212434065U CN 202021627010 U CN202021627010 U CN 202021627010U CN 212434065 U CN212434065 U CN 212434065U
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Abstract
The utility model discloses a conveniently adjust vision science popularization model of eye axis length, including support, cornea model, crystal model and retina model, the equal fixedly connected with base in both sides of support bottom, the left side activity cover on support surface is equipped with first sliding sleeve, and the top fixedly connected with riser of first sliding sleeve, the lamps and lanterns are installed at the top of riser, and the right side on support surface is equipped with second sliding sleeve, third sliding sleeve and fourth sliding sleeve by left to right movable sleeve respectively. The utility model provides a current eyesight science popularization model eye axis length be not convenient for adjust, can not let light just reach the retina through the refraction of cornea and crystal, can not let light fall on the front of retina or at the back simultaneously, can't carry out fine science popularization to myopia, hyperopia and emmetropia to can not the science popularization eyeball develop the process that forms myopia and the camber that changes the corneal surface makes different axle positions have different focus points, can't carry out fine science popularization's problem to the astigmatism.
Description
Technical Field
The utility model relates to an eyesight science popularization technical field specifically is an eyesight science popularization model of conveniently adjusting eye axis length.
Background
The vision refers to the capability of the retina to distinguish images, the quality of the vision is determined by the capability of the retina to distinguish images, however, when the refractive medium of the eye becomes turbid or the refractive error exists, even if the vision of the eye with good retinal function still drops, the eye axis is described by regarding the eye as an optical instrument, the most superficial layer receiving light from the eyeball, namely the distance from the cornea, the crystalline lens, the vitreous body and the retina is considered as a central axis of an optical system in physics, so-called "eye axis", the number of people with myopia is increasing, the science popularization of the vision needs to be cultivated from a small time, so that the children keep good living habits, so that the science popularization of the vision science model is needed to demonstrate the people, but the length of the eye axis of the existing vision science model is not convenient to adjust, and the light cannot reach the retina through the refraction of the cornea and the crystalline lens, meanwhile, the light cannot fall in front of or behind the retina, the myopia, the hyperopia and the emmetropia cannot be well popularized, the process that the eyeball develops to form the myopia and the curvature of the corneal surface cannot be popularized to enable different axial positions to have different focus points, and the astigmatism cannot be well popularized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a conveniently adjust vision science popularization model of eye axis length, possess the convenient eye axis length of adjusting, science popularization eyeball develops the advantage that forms myopia process and change corneal surface camber, it is not convenient for adjust to have solved current vision science popularization model eye axis length, can not let light just reach the retina through the refraction of cornea and crystal, can not let light fall in the front of retina or at the back simultaneously, can't be to myopia, hyperopia and front view carry out fine science popularization, and can not the science popularization eyeball develops the process that forms myopia and the camber that changes the corneal surface makes different axis have different focus points, can't carry out fine science popularization's problem to the astigmatism.
In order to achieve the above object, the utility model provides a following technical scheme: an eyesight popular model convenient for adjusting the length of an eye axis comprises a support, a cornea model, a crystal model and a retina model, wherein bases are fixedly connected to two sides of the bottom of the support, a first sliding sleeve is movably sleeved on the left side of the surface of the support, a vertical plate is fixedly connected to the top of the first sliding sleeve, a lamp is installed at the top of the vertical plate, a second sliding sleeve, a third sliding sleeve and a fourth sliding sleeve are respectively movably sleeved on the right side of the surface of the support from left to right, a long plate is fixedly connected to the top of the second sliding sleeve, a first connecting plate is fixedly connected to the back of the second sliding sleeve, a first threaded rod is arranged on the front side of the top of the first connecting plate in a penetrating mode, the bottom of the first threaded rod penetrates through the bottom of the first connecting plate and is movably connected with a connecting block through a bearing, the first threaded rod is in threaded connection with the first connecting plate, and, the two ends of the short rod, which are far away from the cornea model, respectively penetrate to the right sides of the connecting block and the long plate, the left side of the top of the third sliding sleeve is fixedly connected with an L-shaped plate, the bottom of the L-shaped plate is provided with a second threaded rod in a penetrating manner, the top of the second threaded rod penetrates to the top of the L-shaped plate and is movably connected with a square plate through a bearing, the second threaded rod is in threaded connection with the L-shaped plate, the top of the square plate is fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with the surface of the crystal model, the right side of the bottom of the square plate is fixedly connected with a guide rod, the bottom of the guide rod penetrates to the bottom of the L-shaped plate, the top of the fourth sliding sleeve is fixedly connected with a short plate, the back of the fourth sliding sleeve is fixedly connected with a second connecting plate, the front side of the top of the second connecting, the third threaded rod is in threaded connection with the second connecting plate, the top and the bottom of the retina model are fixedly connected with L-shaped rods, and two ends, far away from the retina model, of the L-shaped rods penetrate through the right sides of the fixed block and the short plate respectively.
Preferably, the top of the first threaded rod, the bottom of the second threaded rod and the top of the third threaded rod are fixedly connected with turntables, and the turntables are circular.
Preferably, a first bearing is arranged between the first threaded rod and the connecting block, and the first bearing is sleeved on the surface of the first threaded rod.
Preferably, a second bearing is arranged between the second threaded rod and the square plate, and the second bearing is sleeved on the surface of the second threaded rod.
Preferably, a third bearing is arranged between the third threaded rod and the fixed block, and the third bearing is sleeved on the surface of the third threaded rod.
Preferably, the first through-hole with short rod looks adaptation is all seted up at the left side of connecting block and the left top of long slab, the second through-hole with L type pole looks adaptation is all seted up at the left side of fixed block and the left top of short slab, cornea model, crystal model and retina model are transparent material.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model has the advantages of convenient adjustment of the length of the eye axis, development of the science popularization eyeball to form the myopia process and change of the curvature of the corneal surface by matching the eye axis length of the prior vision science popularization model, the inconvenience of adjusting the eye axis length, the incapability of allowing light to just reach the retina through refraction of the cornea and the crystal, the incapability of allowing light to fall in front of or behind the retina, the incapability of performing good science popularization on myopia, hyperopia and emmetropia, and the incapability of realizing the process of forming the myopia by the science popularization eyeball and changing the curvature of the corneal surface to enable different axis positions to have different focus points, the problem of not being able to carry out good science popularization on the astigmatism.
2. The utility model discloses a set up the carousel, make first threaded rod respectively, second threaded rod and third threaded rod more convenient laborsaving when rotating, through setting up first bearing, fix the connecting block, make the connecting block not receive first threaded rod pivoted influence when removing, through setting up the second bearing, fix the square plate, make the square plate not receive second threaded rod pivoted influence when removing, through setting up the third bearing, fix the fixed block, do not receive third threaded rod pivoted influence when making the fixed block remove.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1 according to the present invention;
FIG. 3 is a schematic partial left view of the present invention;
fig. 4 is a schematic view of the present invention from the right.
In the figure: the cornea model comprises a support 1, a cornea model 2, a crystal model 3, a retina model 4, a base 5, a first sliding sleeve 6, a vertical plate 7, a lamp 8, a second sliding sleeve 9, a third sliding sleeve 10, a fourth sliding sleeve 11, a long plate 12, a first connecting plate 13, a first threaded rod 14, a connecting block 15, a short rod 16, a short plate 17L, a second threaded rod 18, a square plate 19, a connecting rod 20, a guide rod 21, a short plate 22, a second connecting plate 23, a third threaded rod 24, a fixed block 25 and a rod 26L.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a vision science popularization model convenient for adjusting the length of an eye axis comprises a support 1, a cornea model 2, a crystal model 3 and a retina model 4, wherein both sides of the bottom of the support 1 are fixedly connected with a base 5, a first sliding sleeve 6 is movably sleeved on the left side of the surface of the support 1, a vertical plate 7 is fixedly connected with the top of the first sliding sleeve 6, a lamp 8 is installed on the top of the vertical plate 7, a second sliding sleeve 9, a third sliding sleeve 10 and a fourth sliding sleeve 11 are respectively movably sleeved on the right side of the surface of the support 1 from left to right, a long plate 12 is fixedly connected with the top of the second sliding sleeve 9, a first connecting plate 13 is fixedly connected with the back of the second sliding sleeve 9, a first threaded rod 14 is arranged on the front side of the top of the first connecting plate 13 in a penetrating manner, the bottom of the first threaded rod 14 penetrates to the bottom of the first connecting plate 13 and is movably connected, the top and the bottom of the right side of the cornea model 2 are fixedly connected with a short rod 16, the two ends of the short rod 16 far away from the cornea model 2 respectively penetrate through the right sides of a connecting block 15 and a long plate 12, the left side of the top of a third sliding sleeve 10 is fixedly connected with an L-shaped plate 17, the bottom of the L-shaped plate 17 is provided with a second threaded rod 18 in a penetrating way, the top of the second threaded rod 18 penetrates through the top of the L-shaped plate 17 and is movably connected with a square plate 19 through a bearing, the second threaded rod 18 is in threaded connection with the L-shaped plate 17, the top of the square plate 19 is fixedly connected with a connecting rod 20, the top of the connecting rod 20 is fixedly connected with the surface of the crystal model 3, the right side of the bottom of the square plate 19 is fixedly connected with a guide rod 21, the bottom of the guide rod 21 penetrates through the bottom of the L-shaped plate 17, the top of the fourth sliding sleeve 11 is, the bottom of a third threaded rod 24 penetrates to the bottom of a second connecting plate 23 and is movably connected with a fixed block 25 through a bearing, the third threaded rod 24 is in threaded connection with the second connecting plate 23, the top and the bottom of a retina model 4 are fixedly connected with an L-shaped rod 26, two ends, far away from the retina model 4, of the L-shaped rod 26 respectively penetrate to the right sides of the fixed block 25 and a short plate 22, the top of a first threaded rod 14, the bottom of a second threaded rod 18 and the top of the third threaded rod 24 are fixedly connected with turntables, the turntables are circular in shape, the first threaded rod 14, the second threaded rod 18 and the third threaded rod 24 are more convenient and labor-saving when rotating through the arrangement of the turntables, a first bearing is arranged between the first threaded rod 14 and a connecting block 15 and is sleeved on the surface of the first threaded rod 14, the connecting block 15 is fixed through the arrangement of the first bearing, and the connecting block 15 is not influenced by the rotation of, a second bearing is arranged between the second threaded rod 18 and the square plate 19, the second bearing is sleeved on the surface of the second threaded rod 18, the square plate 19 is fixed by the second bearing, the square plate 19 is not influenced by the rotation of the second threaded rod 18 when moving, a third bearing is arranged between the third threaded rod 24 and the fixed block 25, the third bearing is sleeved on the surface of the third threaded rod 24, the left side of the connecting block 15 and the left side of the long plate 12 are both provided with first through holes matched with the short rods 16, the left side of the fixed block 25 and the left side of the short plate 22 are both provided with second through holes matched with the L-shaped rods 26, the cornea model 2, the crystal model 3 and the retina model 4 are all made of transparent materials, the fixed block 25 is fixed by the third bearing, the fixed block 25 is not influenced by the rotation of the third threaded rod 24 when moving, and the cornea model 2, the cornea model 2 and the retina model, The lens model 3, the retina model 4, the base 5, the first sliding sleeve 6, the vertical plate 7, the lamp 8, the second sliding sleeve 9, the third sliding sleeve 10, the fourth sliding sleeve 11, the long plate 12, the first connecting plate 13, the first threaded rod 14, the connecting block 15, the short rod 16, the L-shaped plate 17, the second threaded rod 18, the square plate 19, the connecting rod 20, the guide rod 21, the short plate 22, the second connecting plate 23, the third threaded rod 24, the fixed block 25 and the L-shaped rod 26 are matched, the advantages of conveniently adjusting the length of an eye axis, forming a myopia process by the development of a science popularization eyeball and changing the curvature of a corneal surface are achieved, the problems that the length of the eye axis of the existing vision science popularization model is not convenient to adjust, light cannot be just reflected to the retina through the cornea and the crystal, cannot fall in front of or behind the retina, good science popularization cannot be achieved for the myopia, hyperopia and emmetropia, and curvature of the cornea surface cannot be changed, and the myopia process and curvature of the Different focus points can not carry out good science popularization to the astigmatism.
When the device is used, a power supply and a controller are externally connected, the positions of the second sliding sleeve 9, the third sliding sleeve 10 and the fourth sliding sleeve 11 are adjusted by hands, so that the positions of the cornea model 2, the crystal model 3 and the retina model 4 are adjusted, the controller controls the opening of the lamp 8, light can be refracted through the cornea model 2 and the crystal model 3 to just reach the retina model 4, then the eye axis of the science popularization model is lengthened or shortened by adjusting the positions of the second sliding sleeve 9, the third sliding sleeve 10 and the fourth sliding sleeve 11, the light can fall in front of or behind the retina model 4 through the cornea model 2 and the crystal model 3, the science popularization myopia, hyperopia and emmetropia can be realized, in addition, the myopia process can be formed by the science popularization eyeball development, the first threaded rod 14 and the third threaded rod 24 are moved by rotating the upper rotating discs of the first threaded rod 14 and the second threaded rod 18, thereby carry out deformation to cornea model 2 and retina model 4, the camber of cornea model 2 and retina model 4 changes, the camber difference of cornea model 2 simultaneously can also cause different axle positions to have different focus points, carry out the science popularization to the astigmatism, through rotating the carousel on the second threaded rod 18, thereby make second threaded rod 18 remove and drive square plate 19, connecting rod 20 and crystal model 3's removal, can adjust the high position of crystal model 3, eyesight science popularization model can be applicable to teaching or science popularization.
All kinds of parts used in the application document are standard parts and can be purchased from the market, the specific connection mode of all parts adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the conventional models in the prior art are adopted for machinery, parts and electrical equipment, the conventional connection mode in the prior art is adopted for circuit connection, and detailed description is not given here.
In summary, the following steps: the vision science popularization model convenient for adjusting the length of the eye axis comprises a support 1, a cornea model 2, a crystal model 3, a retina model 4, a base 5, a first sliding sleeve 6, a vertical plate 7, a lamp 8, a second sliding sleeve 9, a third sliding sleeve 10, a fourth sliding sleeve 11, a long plate 12, a first connecting plate 13, a first threaded rod 14, a connecting block 15, a short rod 16, an L-shaped plate 17, a second threaded rod 18, a square plate 19, a connecting rod 20, a guide rod 21, a short plate 22, a second connecting plate 23, a third threaded rod 24, a fixed block 25 and an L-shaped rod 26, solves the problem that the length of the eye axis of the existing vision science popularization model is inconvenient to adjust, cannot allow light rays to just reach the retina through refraction of the cornea and the crystal, cannot fall in front of or behind the retina, cannot perform good science popularization on myopia, myopia and emmetropia well, and cannot form a process of forming a science popularization eyeball and change curvature of the cornea surface to enable different hyperopia positions to have different focus points The problem of not being able to make good science popularization for astigmatism.
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 (6)
1. The utility model provides a conveniently adjust vision science popularization model of eye axis length, includes support (1), cornea model (2), crystal model (3) and retina model (4), its characterized in that: the lamp is characterized in that bases (5) are fixedly connected to two sides of the bottom of the support (1), a first sliding sleeve (6) is movably sleeved on the left side of the surface of the support (1), a vertical plate (7) is fixedly connected to the top of the first sliding sleeve (6), a lamp (8) is installed at the top of the vertical plate (7), a second sliding sleeve (9), a third sliding sleeve (10) and a fourth sliding sleeve (11) are movably sleeved on the right side of the surface of the support (1) from left to right respectively, a long plate (12) is fixedly connected to the top of the second sliding sleeve (9), a first connecting plate (13) is fixedly connected to the back of the second sliding sleeve (9), a first threaded rod (14) is arranged on the front side of the top of the first connecting plate (13) in a penetrating mode, the bottom of the first threaded rod (14) is arranged to the bottom of the first connecting plate (13) in, the first threaded rod (14) is in threaded connection with the first connecting plate (13), the top and the bottom of the right side of the cornea model (2) are fixedly connected with a short rod (16), the two ends, far away from the cornea model (2), of the short rod (16) are respectively penetrated through to the right sides of the connecting block (15) and the long plate (12), the left side of the top of the third sliding sleeve (10) is fixedly connected with an L-shaped plate (17), the bottom of the L-shaped plate (17) is penetrated through with a second threaded rod (18), the top of the second threaded rod (18) is penetrated through to the top of the L-shaped plate (17) and is movably connected with a square plate (19) through a bearing, the second threaded rod (18) is in threaded connection with the L-shaped plate (17), the top of the square plate (19) is fixedly connected with a connecting rod (20), the top of the connecting rod (20) is fixedly connected with the surface of the crystal model (3), the right side of the, the bottom of guide bar (21) runs through to the bottom of L template (17), the top fixedly connected with short slab (22) of fourth sliding sleeve (11), back fixedly connected with second connecting plate (23) of fourth sliding sleeve (11), the front side at second connecting plate (23) top is run through and is provided with third threaded rod (24), the bottom of third threaded rod (24) runs through to the bottom of second connecting plate (23) and has fixed block (25) through bearing swing joint, third threaded rod (24) and second connecting plate (23) threaded connection, the equal fixedly connected with L type pole (26) in top and the bottom of retina model (4), the right side to fixed block (25) and short slab (22) is run through respectively at the both ends that retina model (4) were kept away from in L type pole (26).
2. A vision science popularization model for conveniently adjusting the length of the eye axis as recited in claim 1, wherein: the top of the first threaded rod (14), the bottom of the second threaded rod (18) and the top of the third threaded rod (24) are fixedly connected with turntables, and the turntables are circular.
3. A vision science popularization model for conveniently adjusting the length of the eye axis as recited in claim 1, wherein: a first bearing is arranged between the first threaded rod (14) and the connecting block (15), and the first bearing is sleeved on the surface of the first threaded rod (14).
4. A vision science popularization model for conveniently adjusting the length of the eye axis as recited in claim 1, wherein: and a second bearing is arranged between the second threaded rod (18) and the square plate (19), and the second bearing is sleeved on the surface of the second threaded rod (18).
5. A vision science popularization model for conveniently adjusting the length of the eye axis as recited in claim 1, wherein: and a third bearing is arranged between the third threaded rod (24) and the fixed block (25), and the third bearing is sleeved on the surface of the third threaded rod (24).
6. A vision science popularization model for conveniently adjusting the length of the eye axis as recited in claim 1, wherein: the first through-hole with quarter butt (16) looks adaptation is all seted up at the left side of connecting block (15) and the left top of long slab (12), the second through-hole with L type pole (26) looks adaptation is all seted up at the left side of fixed block (25) and the left top of quarter butt (22), cornea model (2), crystal model (3) and retina model (4) are transparent material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021627010.5U CN212434065U (en) | 2020-08-07 | 2020-08-07 | Vision science popularization model convenient for adjusting length of eye axis |
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| CN202021627010.5U CN212434065U (en) | 2020-08-07 | 2020-08-07 | Vision science popularization model convenient for adjusting length of eye axis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674599A (en) * | 2021-07-21 | 2021-11-19 | 合肥爱瞳健康科技有限公司 | Bionic eyeball teaching aid for simulating axial variation myopia |
-
2020
- 2020-08-07 CN CN202021627010.5U patent/CN212434065U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674599A (en) * | 2021-07-21 | 2021-11-19 | 合肥爱瞳健康科技有限公司 | Bionic eyeball teaching aid for simulating axial variation myopia |
| CN113674599B (en) * | 2021-07-21 | 2023-11-10 | 江苏东方硕华光学材料有限公司 | Bionic eyeball teaching aid for simulating myopia with change of ocular axis |
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