CN220895076U

CN220895076U - Ophthalmic teaching aid

Info

Publication number: CN220895076U
Application number: CN202321749703.5U
Authority: CN
Inventors: 叶青华
Original assignee: Qinghua Science & Education Equipment Co ltd
Current assignee: Qinghua Science & Education Equipment Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-05-03
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses an ophthalmic teaching aid, which comprises a mounting bottom plate, wherein a first driving component is fixedly arranged on the mounting bottom plate, an eye bead model is arranged on the first driving component, and the eye bead model can be rotated left and right through the first driving component; the eyeball model is provided with a second driving component, and the eyeball model can be enabled to rotate up and down through the second driving component. In the using process, the first driving component is arranged, the limiting sliding block is used for limiting sliding in the arc-shaped groove, so that the eyeball model can be driven to rotate left and right to realize left and right rotation of the eyeball, students can learn more favorably, the learning efficiency of the students is improved, the second driving component is arranged, the eyeball model can be driven to rotate up and down by lifting movement of the threaded rod, the eyeball model can be driven to rotate up and down to realize up and down rotation of the eyeball, the authenticity of the eyeball model can be further improved, and the practicability of the tool is improved.

Description

Ophthalmic teaching aid

Technical Field

The utility model relates to the technical field of medical teaching aids, in particular to an ophthalmic teaching aid.

Background

As the application of laser technology to fundus disease treatment has led to the widespread popularity of fundus laser treatment apparatuses, there is a consequent lack of contradiction between the qualification of fundus laser treatment and the lack of doctors and practitioners who are skilled in the use of fundus laser treatment apparatuses. An eye model teaching tool is required to be used in the process of culturing relevant practitioners.

In the prior art, the publication number is CN217718889U, which discloses an ophthalmic teaching aid, the hand feeling of an simulated eyeball can be adjusted flexibly or hard, particularly when the simulated laser treatment is performed, a laser contact lens is buckled on the surface of the simulated eyeball, the elasticity of the simulated eyeball can give the operator feedback force for controlling the eye position, fine adjustment of the eyeball position is facilitated, the locking ring component is unlocked or a locking pin shaft can be used for realizing the adjustment of the softness and hardness of the simulated eyeball on a pitching support, a learner at different stages can master the operation process of the eye laser operation to set a slewing support and a pitching support, different angles can be adjusted, the rotation of the eyeball during inspection and laser treatment can be simulated, the eyeground observation and the simulated laser treatment under different eyeball positions are facilitated, and the problem that the hand of the traditional eyeball tool cannot be loosened during the whole observation and the simulated treatment is solved, so that the person needs to be increased during the simulated treatment. Doctors can also press the eyeball model teaching aid by using a weight or bind the eyeball model teaching aid on ophthalmic equipment, but the methods can not realize accurate angle adjustment and have the defects of time consumption, personnel increase and low adjustment precision.

However, the prior art still has great disadvantages, such as:

Most of the existing ophthalmic apparatuses use an eyeball model to teach students, in the description, the simulated eyeball can only rotate up and down, so that the simulated eyeball can only rotate up and down and can not rotate left and right, thus affecting the reality of the simulated eyeball and being unfavorable for the students to learn.

Disclosure of utility model

The utility model aims to provide an ophthalmic teaching aid for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

An ophthalmic teaching aid comprises a mounting bottom plate, wherein a first driving assembly is fixedly arranged on the mounting bottom plate, an eye bead model is arranged on the first driving assembly, and the eye bead model can be rotated left and right through the first driving assembly;

The eyeball model is provided with a second driving component, and the eyeball model can be enabled to rotate up and down through the second driving component;

The first driving assembly comprises two limit sliding blocks which are symmetrically arranged, the two limit sliding blocks are limited and slide on the mounting bottom plate through two arc-shaped grooves, rotating shafts are rotatably arranged on the inner side end faces of the two limit sliding blocks, an eyeball model is fixedly arranged between the two rotating shafts, a rotating handle is fixedly arranged on the outer side end face of the limit sliding block, and the eyeball model can be rotated left and right by rotating the rotating handle;

The second driving assembly comprises two arc plates, a connecting shaft is fixedly arranged between the arc plates, a rotating block is movably arranged on the outer side end face of the connecting shaft, connecting blocks are fixedly arranged on the upper end faces of the limiting sliding blocks, a limiting bottom plate is fixedly arranged on the upper end face of each connecting block, a moving block is slidably arranged on each limiting bottom plate through a moving groove, a threaded rod is arranged on each moving block in a threaded mode, the lower end of each threaded rod is rotatably arranged on the upper end face of each rotating block through a bearing, the threaded rod is utilized to limit movement of each moving block, and meanwhile, the eyeball model can vertically rotate through the rotating shafts through rotation of the bearings and the rotating blocks.

Preferably, a limiting plate is fixedly arranged on the connecting shaft and positioned on the outer side of the rotating block.

Preferably, the number of the limiting plates is two, and the limiting plates are symmetrically arranged.

Preferably, a limit post is fixedly arranged on the lower end surface of the limit bottom plate.

Preferably, the number of the limit posts is multiple, the lower ends of the limit posts are movably provided with balls, and the balls are in contact with the upper end face of the mounting bottom plate.

Preferably, a rotating rod is fixedly arranged at the top end of the threaded rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. Through the arrangement of the first driving component, the limiting sliding block is utilized to limit and slide in the arc-shaped groove, so that the eye bead model can be driven to rotate left and right to realize the left and right rotation of the eye bead, students can learn more favorably, and the learning efficiency of the students is improved;

2. Through the setting of drive assembly two, utilize the lifting movement of threaded rod can promote the eyeball model, can drive the eyeball model and rotate about the realization eyeball, can further improve the authenticity of eyeball model, improve the practicality of this apparatus.

In the use process, the limiting sliding block can be driven to slide in the arc-shaped groove in the mounting bottom plate in a limiting manner by rotating the rotating handle, the eyeball model can be rotated left and right by the rotating shaft, the rotating rod can be driven to rotate by the rotating rod, the connecting shaft can be driven to move downwards by the rotating block by rotating the threaded rod back and forth, meanwhile, the moving block can slide on the limiting bottom plate in a limiting manner by utilizing the bearing, and at the moment, the eyeball model can rotate through the rotating shaft, so that the up-and-down rotation of the eyeball model can be realized, the authenticity of the eyeball model can be further improved by rotating the eyeball model up and down and left and right, the students can learn more advantageously, and the learning efficiency of the students can be improved.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic view of the structure without the mounting base plate in the present utility model;

FIG. 3 is a schematic view of the structure of the mounting base plate of the present utility model;

FIG. 4 is a schematic view of the structure of the threaded rod of the present utility model;

Fig. 5 is a schematic structural view of an arc plate in the present utility model.

In the figure: 1. a mounting base plate; 2. an arc-shaped groove; 3. a limit sliding block; 4. a rotating shaft; 5. an arc-shaped plate; 6. a connecting shaft; 7. an eye bead model; 8. rotating the handle; 9. a connecting block; 10. a limiting bottom plate; 11. a moving block; 12. a threaded rod; 13. a rotating block; 14. a bearing; 15. a rotating rod; 16. a limiting plate; 17. and a limit column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

embodiment one:

An ophthalmic teaching aid comprises a mounting bottom plate 1, wherein a first driving component is fixedly arranged on the mounting bottom plate 1, an eye bead model 7 is arranged on the first driving component, and the eye bead model 7 can be rotated left and right through the first driving component;

The first driving assembly comprises two limit sliding blocks 3 which are symmetrically arranged, the two limit sliding blocks 3 are in limit sliding on the mounting bottom plate 1 through two arc-shaped grooves 2, rotating shafts 4 are rotatably arranged on the inner side end faces of the two limit sliding blocks 3, an eye ball model 7 is fixedly arranged between the two rotating shafts 4, a rotating handle 8 is fixedly arranged on the outer side end faces of the limit sliding blocks 3, the eye ball model 7 can be rotated left and right through the rotating handle 8, the mounting bottom plate 1 is arc-shaped, the two limit sliding blocks 3 are respectively and slidably arranged in the arc-shaped grooves 2, part of the volume of the two limit sliding blocks 3 is positioned on the outer side of the mounting bottom plate 1, the rotating handle 8 extends to the outer side of the mounting bottom plate 1 through the limit grooves, the rotating handle 8 and the limit grooves are in limit sliding, the groove height of the limit grooves is smaller than the groove height of the arc-shaped grooves 2, damping force is arranged between the rotating handle 8 and the limit grooves, the eye ball model 7 can be effectively stabilized, the first limit blocks are arranged on the two limit sliding blocks 3, the limit sliding blocks 3 can be enabled to slide in the arc-shaped grooves 2 in a limit mode, and the limit sliding blocks 3 can be enabled to move in the arc-shaped grooves 3 in a limit mode, and the limit sliding phenomenon can be guaranteed when the limit sliding blocks 3 cannot shift in the position, and can be guaranteed to move stably;

a second driving component is arranged on the eyeball model 7, and the eyeball model 7 can be enabled to rotate up and down through the second driving component;

Embodiment two:

On the basis of the first embodiment, in order to further improve the authenticity of the eyeball model 7, the driving component II is utilized to realize the up-and-down rotation of the eyeball model 7, the driving component II comprises two arc plates 5, a connecting shaft 6 is fixedly arranged between the two arc plates 5, a limiting plate 16 is fixedly arranged on the connecting shaft 6 and positioned at the outer side of the rotating block 13, the limiting plate 16 is in a cylindrical shape, the rotating block 13 can be effectively limited, a plurality of sliding pads can be arranged between the limiting plate 16 and the rotating block 13, the friction force between the limiting plate 16 and the rotating block 13 can be reduced, the stability of the rotating block 13 during rotation is ensured, the limiting plate 16 and the outer side end surface of the rotating block 13 are rotatably arranged, the number of the limiting plates 16 is two, and the two limiting plates 16 are symmetrically arranged, the phenomenon that the rotating blocks 13 are shifted in position can be effectively avoided, so that normal rotation of the eyeball model 7 can be ensured, the rotating blocks 13 are movably mounted on the outer side end faces of the connecting shafts 6, the connecting blocks 9 are fixedly mounted on the upper end faces of the two limiting sliding blocks 3, the limiting bottom plate 10 is fixedly mounted on the upper end faces of the connecting blocks 9, the limiting columns 17 are fixedly mounted on the lower end faces of the limiting bottom plate 10, the stability of the limiting bottom plate 10 can be ensured by utilizing the limiting columns 17, the number of the limiting columns 17 is multiple, balls are movably mounted at the lower ends of the limiting columns 17, the balls are in contact with the upper end faces of the mounting bottom plate 1, friction force between the limiting columns 17 and the mounting bottom plate 1 can be reduced through the balls on the limiting columns 17, and meanwhile, the stability of the limiting bottom plate 10 in rotation can be ensured;

The limiting bottom plate 10 is provided with the moving block 11 through the moving groove in a sliding manner, the moving block 11 is provided with the threaded rod 12 in a threaded manner, the lower end of the threaded rod 12 is rotatably arranged on the upper end face of the rotating block 13 through the bearing 14, the threaded rod 12 is rotated, the lower end of the threaded rod 12 penetrates through the moving block 11 and extends to the lower portion of the limiting bottom plate 10, the top end of the threaded rod 12 is fixedly provided with the rotating rod 15, the rotating rod 15 can be arranged into various shapes, a person can conveniently rotate the threaded rod 12 manually, the rotating rod 12 can be conveniently rotated by the person through the rotating rod 15, the difficulty of the person rotating the threaded rod 12 is reduced, the limiting movement of the moving block 11 is utilized, meanwhile, the rotating shaft 4 is utilized to rotate the eyeball model 7 up and down through the rotation of the bearing 14, the position of the arc-shaped plate 5 is positioned on the outer side of the eyeball model 7, the position of the arc-shaped plate 5 is positioned in the mounting bottom plate 1, the moving block 11 can be ensured to be limited to slide in the moving groove through the limiting block two, the moving block 11 can be in a parallel moving state, and the bead model 7 can be driven to rotate when the person is lifted.

Working principle:

When the rotary table is used, a person can install the mounting bottom plate 1 at the edge of the table by using a sucker or some viscose, can conveniently rotate the eyeball model 7, can hold the rotary handle 8, can limit sliding in the arc-shaped groove 2 on the mounting bottom plate 1 through the limit sliding block 3, can rotate along with the limit sliding block 3 through the eyeball model 7 connected with the rotating shaft 4, and can realize left-right rotation of the eyeball through the rotation of the eyeball model 7;

Personnel hold the bull stick 15 again, can make a round trip to rotate the threaded rod 12 through the bull stick 15, can drive rotatory piece 13 downwardly moving through bearing 14 when the rotation of threaded rod 12, the spacing removal in the travel groove of rethread movable block 11 on spacing bottom plate 10 can make threaded rod 12 be in the lift removal of vertical state, spacing of limiting plate 16 on the rethread connecting axle 6 can drive connecting axle 6 and realize lift removal, the spacing of rethread arc 5 and pivot 4, connecting axle 6 can take place the horizontal migration at the in-process of going up and down, spacing rotation through arc 5 and connecting axle 6, thereby can realize the upper and lower rotation to eye ball model 7.

In the above description, by realizing the up-down and left-right rotation of the eyeball model 7, the authenticity of the eyeball model 7 can be improved, the students can learn more favorably, the learning efficiency of the students can be improved, and the practicability of the tool can be improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ophthalmic teaching aid, includes mounting plate (1) and drive assembly one, its characterized in that: the first driving component is provided with an eyeball model (7), and the first driving component can enable the eyeball model (7) to rotate left and right;

a second driving component is arranged on the eyeball model (7), and the eyeball model (7) can be rotated up and down through the second driving component;

The first driving assembly comprises two limit sliding blocks (3) which are symmetrically arranged, the two limit sliding blocks (3) are limited and slide on the mounting bottom plate (1) through two arc-shaped grooves (2), the inner side end faces of the two limit sliding blocks (3) are respectively and rotatably provided with a rotating shaft (4), an eye bead model (7) is fixedly arranged between the two rotating shafts (4), the outer side end faces of the limit sliding blocks (3) are fixedly provided with rotating handles (8), and the eye bead model (7) can be rotated left and right by rotating the rotating handles (8);

The second driving assembly comprises two arc plates (5), a connecting shaft (6) is fixedly installed between the arc plates (5), a rotating block (13) is movably installed on the outer side end face of the connecting shaft (6), a connecting block (9) is fixedly installed on the upper end face of each limiting sliding block (3), a limiting bottom plate (10) is fixedly installed on the upper end face of each connecting block (9), a moving block (11) is slidably installed on each limiting bottom plate (10) through a moving groove, a threaded rod (12) is installed on each moving block (11) through threads, the lower end of each threaded rod (12) is rotatably installed on the upper end face of each rotating block (13) through a bearing (14), limiting movement of each moving block (11) is utilized through rotation of each bearing (14) and each rotating block (13), and the eye bead models (7) can vertically rotate through the corresponding rotating shafts (4).

2. An ophthalmic teaching aid according to claim 1, characterized in that: and a limiting plate (16) is fixedly arranged on the connecting shaft (6) and positioned on the outer side of the rotating block (13).

3. An ophthalmic teaching aid according to claim 2, characterized in that: the number of the limiting plates (16) is two, and the limiting plates are symmetrically arranged.

4. An ophthalmic teaching aid according to claim 1, characterized in that: and a limiting column (17) is fixedly arranged on the lower end surface of the limiting bottom plate (10).

5. An ophthalmic teaching aid according to claim 4 and characterized in that: the number of the limit posts (17) is multiple, the lower ends of the limit posts (17) are movably provided with balls, and the balls are in contact with the upper end face of the mounting bottom plate (1).

6. An ophthalmic teaching aid according to claim 2, characterized in that: the top end of the threaded rod (12) is fixedly provided with a rotating rod (15).