CN217932993U - Eyeball model - Google Patents

Abstract

The utility model discloses an eyeball model, including the eye back, the inside pivot that runs through of eye back is provided with, just the pivot is rotated with the eye back and is connected, pivot lateral wall rigid coupling has the rotor, be provided with the eye ground paster on each of rotor, rotor one end rigid coupling has the handle. The utility model provides a pair of eyeball model rotates the pivot of being connected through setting up and eye back end, under manpower twist grip's effect, can drive the rotor rotation of pivot and pivot surface to different eye ground paster through the rotor different face reaches the process of simulation eye ground pathological change, does benefit to the teaching examination of eye ground pathological change.

Description

Eyeball model

Technical Field

The utility model relates to a teaching aid field, concretely relates to eyeball model.

Background

Ophthalmology is a subject for researching diseases related to eyeballs and related accessories thereof in a visual system, and for teaching people in ophthalmology, various diseases including anterior segment and posterior segment of eyes usually use eyeball models to assist students in teaching their ophthalmology knowledge in class in order to facilitate students' learning. Especially for posterior segment diseases, it is also often necessary to learn fundus examination techniques.

If the notice number is CN214279389U, the Chinese utility model with the notice date of 2021.09.24 provides an eye fundus examination eyeball model, which comprises an anterior segment and a posterior segment, wherein the anterior segment and the posterior segment are two hemispherical shells, and the two hemispherical shells are mutually buckled to form an eyeball body; the top of the hemispherical shell of the anterior ocular segment is provided with a round hole penetrating through the shell, the hemispherical shell of the anterior ocular segment is internally provided with a biconvex lens fixedly, the biconvex lens is positioned at the round hole at the top of the hemispherical shell of the anterior ocular segment, a plurality of patches are arranged on the inner wall of the hemispherical shell of the posterior ocular segment at intervals of a peripheral retina, different marks are printed on the patches, and the inner wall of the hemispherical shell of the posterior ocular segment extends to the periphery from a optic disc area to form four blood vessel models.

In the prior art, different parts of the fundus are displayed only through different marks printed on the patch, and the teaching requirements for various fundus diseases cannot be met. In addition, the eyeground pathological changes and the eyeground examination technology are one of important contents of teaching and examination, so the eyeball model in the prior art cannot meet the teaching and examination of the eyeground pathological changes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an eyeball model to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an eyeball model, includes the eye back end, the inside pivot that runs through of eye back end is provided with, just the pivot rotates with the eye back end to be connected, pivot lateral wall rigid coupling has the rotor, be provided with the eye ground paster on each of rotor, rotor one end rigid coupling has the handle.

In the eyeball model, the posterior segment of the eye is made of hard metal and elastic rubber materials.

In the eyeball model, the rotating body is provided with four surfaces.

Foretell eyeball model still includes support and rigid coupling in the hemispherical anterior segment at support top, the inside pupil adjustment mechanism that is provided with of anterior segment, pupil adjustment mechanism includes rigid coupling in the circlip of anterior segment inner wall, circlip's centre bore department activity is inlayed and is equipped with lens glass, lens glass one side is provided with the air pressure drive subassembly that is used for adjusting lens glass horizontal position.

In the eyeball model, the elastic retainer ring is made of the elastic rubber material.

Foretell eyeball model, the pneumatic drive subassembly include fixing base and with the piston ring of fixing base inside wall dynamic seal connection, the fixing base rigid coupling is in anterior segment inside wall, fixed mounting has the link between piston ring and the crystalline glass, fixing base one side through connection has the pipe.

According to the eyeball model, the anterior segment and the posterior segment are connected through the zipper.

In the eyeball model, the lens glass is transparent glass, and one side surface of the rotating body faces the lens glass.

In the eyeball model, the posterior segment of the eye is made of elastic soft material.

In the technical scheme, the utility model provides a pair of eyeball model rotates the pivot of being connected through setting up and eye back end, under manpower twist grip's effect, can drive the rotor rotation of pivot and pivot surface to different eye ground patches through the rotor difference reach the demand of the multiple pathological change of simulation eye ground disease, do benefit to the teaching and the examination of eye ground pathological change.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an external overall structure provided in an embodiment of the present invention;

fig. 2 is a schematic view of an internal cross-sectional structure provided in an embodiment of the present invention;

FIG. 3 is a schematic view of a connection structure of a rotating shaft and a rotating body according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure at a position in fig. 2 according to an embodiment of the present invention.

Description of the reference numerals:

1. a support; 2. the anterior segment of the eye; 3. a circlip; 4. a lens glass; 5. a fixed seat; 6. a piston ring; 7. a connecting frame; 8. a conduit; 9. the posterior segment of the eye; 10. a rotating shaft; 11. a rotating body; 12. a handle.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-4, an embodiment of the present invention provides an eyeball model, which includes a support 1, a hemispherical anterior segment 2 fixedly connected to the top of the support 1, and a pupil adjusting mechanism disposed inside the anterior segment 2; the pupil adjusting mechanism comprises an elastic retainer ring 3 fixedly connected to the inner wall of the anterior segment 2 of the eye, crystalline glass 4 is movably embedded in the central hole of the elastic retainer ring 3, and an air pressure driving assembly for adjusting the horizontal position of the crystalline glass 4 is arranged on one side of the crystalline glass 4.

Specifically, the stent 1 is a base for supporting the eyeball model, which may be formed by fixedly connecting support rods to the top of a cuboid or a cylinder, and the circlip 3 is also the iris inside the human eyeball, the lens glass 4 is also the lens inside the human eyeball, the center inside the circlip 3 is also the pupil inside the human eyeball, which are all the prior art, and are not described in detail, the air pressure driving assembly provides power to enable the lens glass 4 to move horizontally, so that the lens glass 4 contacts and extrudes the circlip 3, because the circlip 3 is made of elastic rubber material, the portion of the lens glass 4 embedded into the circlip 3 becomes larger, so that the center hole of the circlip 3 becomes larger, and the portion that an observer can observe from the front of the model is the portion inside the center hole of the circlip 3, that the pupil inside the eyeball becomes larger, when the air pressure driving assembly controls the lens glass 4 to move horizontally in the opposite direction, because the circlip 3 has elastic force, the elastic force can enable the elastic force to automatically recover the circlip 3, so that the center hole of the pupil inside the circlip 3 becomes smaller, and the pupil inside the eyeball, thereby achieving the purpose of dynamically adjusting the size is achieved, and it is very convenient.

In this embodiment, the posterior segment of the eye is preferably made of elastic soft material, such as rubber material or soft plastic, which has the function that the eyeball of the human body has elasticity, and the elastic material is set to more closely simulate the real eyeball during the examination.

Further, circlip 3 adopts the elastic rubber material to make, and the effect that so sets up lies in, and the elastic rubber material has the function that automatic recovery after deformation, and has certain ductility, and when lens glass 4 extrudes circlip 3, circlip 3 can take place deformation to make pupil grow, after lens glass 4 cancellation to circlip 3's extrusion force, circlip 3 can automatic recovery, thereby can realize the effect that pupil becomes little.

Still further, the pneumatic driving assembly comprises a fixing seat 5 and a piston ring 6 connected with the inner side wall of the fixing seat 5 in a dynamic sealing manner, the fixing seat 5 is fixedly connected to the inner side wall of the anterior segment 2, a connecting frame 7 is fixedly installed between the piston ring 6 and the crystalline lens glass 4, a conduit 8 is connected to one side of the fixing seat 5 in a penetrating manner, wherein the fixing seat 5 and the piston ring 6 are both annular, an annular sealing cavity is formed between the inner wall of the fixing seat 5 and the piston ring 6, the fixing seat 5 can be directly and fixedly connected with the inner wall of the anterior segment 2, and can also be fixed to the inner side wall of the anterior segment 2 through a fixing rod, preferably, one end of the conduit 8 is connected with a pressurizing ball, the inside of the sealing cavity is inflated through the pressurizing ball, the air pressure inside the sealing cavity is increased, the piston ring 6 and the connecting frame 7 are horizontally moved, so as to drive the crystalline lens glass 4 to horizontally move and extrude the elastic collar 3, so that pupils are increased, and the air inside the sealing cavity is flowed out through opening an air valve inside the pressurizing ball, so that the air pressure inside the sealing cavity is decreased, the elastic collar 3 is matched with the pupil, and the pupil size is dynamically adjusted.

As an embodiment of the invention, the anterior ocular segment 2 is connected with the posterior ocular segment 9 through a zipper, wherein the bottom of the anterior ocular segment 2 is fixedly connected with a fixed shaft, the bottom end of the posterior ocular segment 9 is rotatably connected with the fixed shaft, and the anterior ocular segment 2 can be connected with the rest of the posterior ocular segment 9 through the zipper or can be clamped through a clamping block.

As another embodiment of the present invention, the eye posterior segment 9 is made of hard metal and elastic rubber material, wherein the eye posterior segment 9 is composed of a small part of hard metal part and an elastic rubber region, the arrangement is such that the hard metal part can be used for installing a zipper or a block, which is convenient for increasing the stability of the model, and the rotating shaft 10 is also rotationally connected with the hard metal part, which can prevent the eye posterior segment 9 from shaking when the rotating shaft 10 rotates, thereby increasing the stability when the rotating body 11 adjusts.

Further, the section 9 elasticity rubber material region distributes in zip fastener or fixture block right side behind the eye, and be located pivot 10 upper and lower both sides, its area is far greater than the regional area of hard metal, when personnel apply external force and press the elasticity rubber region, the elasticity rubber region can be sunken to eyeball model inside, simulation eyeball that can be more true, be favorable to the teaching personnel's roof pressure teaching to the student, after pressing the completion, because the material characteristic of elasticity rubber self, make the regional indent of elasticity rubber part can automatic recovery.

As another embodiment of the present invention, the present invention further comprises a posterior segment 9, a rotating shaft 10 penetrates through the posterior segment 9, the rotating shaft 10 is rotatably connected with the posterior segment 9, a rotating body 11 is fixedly connected to an outer side wall of the rotating shaft 10, fundus patches are arranged on each surface of the rotating body 11, one end of the rotating body 11 is fixedly connected with a handle 12, preferably, the rotating shaft 10 is connected with a hard area of the posterior segment 9 in a damping manner, the rotating shaft 10 and the rotating body 11 can be driven to rotate by slightly rotating the handle 12 with force, and after the rotating body is stopped, the position of the rotating body 11 can be automatically maintained, so as to achieve the purpose of rapidly adjusting the rotating body 11, which is beneficial to examination of teaching personnel on the fundus oculi examination, and the rotating shaft 10 cannot automatically deflect without external force, and has high stability.

As another embodiment of the present invention, the lens glass 4 is transparent glass, and one side of the rotator 11 faces the lens glass 4, preferably, a circular protective cover is arranged inside the anterior segment 2, and the protective cover is made of transparent glass material, so that the student can clearly see the pattern on the surface of the rotator 11 through the protective cover and the lens glass 4, thereby providing a powerful condition for the teacher to check the fundus oculi of the student.

Furthermore, the lens glass 4 adopts a convex mirror type design with a thick middle part and a thin edge, so that on one hand, the scratch between the edge position of the lens glass 4 and the elastic retainer ring 3 can be reduced, and the damage of the elastic retainer ring 3 and the lens glass 4 is also reduced, and on the other hand, the lens glass 4 adopts the convex mirror type design, so that the lens glass 4 has a magnifying function, and the definition of a student observing the image of the rotator 11 is also increased.

Still further, rotor 11 is provided with four faces, and wherein, rotor 11 is the cuboid shape, and rotor 11 is inside to be connected with pivot 10 through a plurality of connecting plates, and the design of four faces can be when guaranteeing rotor 11 image quantity for rotor 11 image has sufficient observation area.

Still further, be connected through dismantling between the image that 11 four sides of rotor set up and rotor 11, wherein, can dismantle the connection can be through the magic paste with the image paste on 11 four sides of rotor, also can fix on 11 four sides of rotor through the mode of fixture block and draw-in groove joint, the effect that so sets up lies in, can make and can dismantle and install between image and the rotor 11, the image of 11 four sides of rotor of quick replacement of being convenient for does benefit to 11 inspection teaching of rotor and examination.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (9)

1. The utility model provides an eyeball model, includes the eye back, its characterized in that, the inside pivot that is provided with that runs through of eye back, just the pivot is rotated with the eye back and is connected, the rigid coupling has the rotor in the pivot, respectively be provided with an eye ground paster on every of rotor, rotor one end rigid coupling has the handle.

2. The eye model of claim 1, wherein the posterior segment is made of an elastic rubber material.

3. An eye model according to claim 1, wherein the rotor is provided with four faces.

4. The eyeball model of claim 1, further comprising a bracket and a hemispherical anterior segment fixedly connected to the top of the bracket, wherein a pupil adjusting mechanism is arranged inside the anterior segment, the pupil adjusting mechanism comprises an elastic retainer ring fixedly connected to the inner wall of the anterior segment, a lens glass is movably embedded in the central hole of the elastic retainer ring, and an air pressure driving component for adjusting the horizontal position of the lens glass is arranged on one side of the lens glass.

5. The eye model of claim 4, wherein the elastic collar is made of an elastic rubber material.

6. The eyeball model of claim 4, wherein the pneumatic driving assembly comprises a fixed seat and a piston ring which is connected with the inner side wall of the fixed seat in a dynamic sealing manner, the fixed seat is fixedly connected with the inner side wall of the anterior segment of the eye, a connecting frame is fixedly arranged between the piston ring and the crystalline glass, and a guide pipe is connected to one side of the fixed seat in a penetrating manner.

7. The eyeball model of claim 4, wherein the anterior segment and the posterior segment are connected by a zipper.

8. The model eye of claim 4 wherein said lens glass is clear glass and one side of said rotor faces said lens glass.

9. An eye model according to any one of claims 4 to 8 wherein the posterior segment is of a resilient soft material.

Images