CN215078350U

CN215078350U - Convenient foldable eye ground camera

Info

Publication number: CN215078350U
Application number: CN202120787896.8U
Authority: CN
Inventors: 苏方健
Original assignee: Nanjing Junke Xinyi Information Technology Co ltd
Current assignee: Nanjing Junke Xinyi Information Technology Co ltd
Priority date: 2021-04-18
Filing date: 2021-04-18
Publication date: 2021-12-10
Anticipated expiration: 2031-04-18

Abstract

The utility model discloses a convenient folding type fundus camera, relating to the technical field of medical imaging, comprising a lens cone arranged at the front end of a camera body, wherein the lower end of the camera body is hinged with a handle; the bottom of the lens cone is provided with a slide block which can slide and be positioned back and forth; a connecting rod is hinged between the sliding block and the handle. The eye ground camera can realize the folding and the opening of the handle, the opening angle can be adjusted, the space is not occupied, and the carrying is more convenient.

Description

Convenient foldable eye ground camera

Technical Field

The utility model relates to a medical imaging technology field specifically is a convenient foldable eye ground camera.

Background

The principle of fundus cameras is a fundus photography system based on optical imaging technology, illuminating the retina by white LED illumination, imaging the fundus image on a sensor, and presenting the acquired picture on a display screen.

The fundus camera is used to acquire images of the retina of the human eye so that medical personnel can check the fundus disease or assist the medical personnel in judging the state of illness of other organs. Since the blood vessels of the fundus are the only blood vessels that can be directly observed by the human body through the body surface, medical personnel can check whether the optic nerve, retina, choroid and refraction medium of the fundus have pathological changes through the fundus camera, and can also assist in diagnosing and judging the disease conditions of other system diseases through the fundus camera, for example, screening retinal pictures to detect cerebral infarction, cerebral hemorrhage, cerebral arteriosclerosis, brain tumors, diabetes, nephropathy, hypertension, retinopathy of prematurity, glaucoma, age-related macular degeneration and the like.

The current hand-held type eye ground camera structure is generally a fixed L type, which causes the eye ground camera packing box to be bigger, occupies space and is inconvenient to carry and use.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a convenient foldable eye ground camera, it can realize the folding of handle and open, opens angularly adjustable, and occupation space is not, and it is more convenient to carry.

In order to achieve the above object, the utility model adopts the following technical scheme: a convenient folding type fundus camera comprises a lens cone arranged at the front end of a camera body, wherein a handle is hinged at the lower end of the camera body; the bottom of the lens cone is provided with a slide block which can slide and be positioned back and forth; a connecting rod is hinged between the sliding block and the handle.

As a further improvement of the above technical solution: the bottom of the lens cone is provided with a slide rail along the axial direction; the slider sets up on the slide rail.

As a further improvement of the above technical solution: a T-shaped groove is formed in the middle of the sliding rail; and a T-shaped head matched with the T-shaped groove is arranged at the bottom of the sliding block.

As a further improvement of the above technical solution: the tail end of the T-shaped groove of the slide rail is closed, and the front end of the T-shaped groove is sealed by a block.

As a further improvement of the above technical solution: the front end of the sliding block is provided with a positioning screw; the end of the positioning screw props against the bottom surface of the sliding rail.

As a further improvement of the above technical solution: a movable groove is formed in the inner side of the handle; the connecting rod is hinged in the movable groove.

As a further improvement of the above technical solution: the front end of the lens cone is provided with an eye socket cover.

As a further improvement of the above technical solution: the eyepit cover comprises a horn connected with the lens barrel and a silica gel ring arranged at the port of the horn.

As a further improvement of the above technical solution: the silica gel ring is oval.

Compared with the prior art, the utility model has the main advantages that: the utility model discloses improve the traditional fixed handle of hand-held type eye ground camera into movable handle for the handle can fold when not using, is convenient for accomodate and carry, and the angle of opening of handle can realize the continuous regulation location simultaneously, and the handle opens the after-fixing firm, and stability is good when handheld, is applicable to different occasion demands and uses.

Drawings

FIG. 1 is a side view of the present invention;

fig. 2 is a schematic front structural view of the present invention;

fig. 3 is a schematic structural view after the utility model is folded.

FIG. 4 is a schematic structural view of a slider and a slide rail;

FIG. 5 is a schematic end view of a slider and a slide rail;

fig. 6 is a schematic front view of an orbital shield.

In the figure: 1. a lens barrel; 2. an eye socket mask; 21. a horn; 22. a silica gel ring; 3. a camera body; 4. a handle; 5. a control button; 6. a movable groove; 7. a connecting rod; 8. a slider; 9. a set screw; 10. a slide rail; 11. blocking; 81. t-shaped head.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Referring to fig. 1 to 6, a convenient foldable fundus camera includes a lens barrel 1 disposed at the front end of a camera body 3, an optical system is disposed in the lens barrel 1, the camera body 3 includes a circuit system of the fundus camera, a display screen is disposed on the front side of the camera body 3 for displaying an imaging image, and the display screen can be a touch screen structure to realize integration of display and operation; a handle 4 is hinged to the lower end of the camera body 3, a control button 5 is arranged on the outer wall of the handle 4 and used for starting a power supply, a replaceable battery or a lithium battery can be arranged in the handle 4, and a charging port can be additionally arranged on the outer wall of the handle 4 to charge the lithium battery; a slide block 8 which can be positioned in a front-back sliding manner is arranged at the bottom of the lens barrel 1; a connecting rod 7 is hinged between the sliding block 8 and the handle 4.

When adopting the lithium cell structure in the handle 4, can add wireless module of charging, realize wireless charging with the cooperation of wireless charger.

As shown in fig. 1, optimized on the basis of the above embodiment: the bottom of the lens barrel 1 is provided with a slide rail 10 along the axial direction; the slide block 8 is arranged on a slide rail 10. The slide rail 10 is connected with the lens barrel 1 in an integrated manner, or can be connected in a separated manner and installed through bolts.

As shown in fig. 4-5, optimization is based on the above embodiment: a T-shaped groove is formed in the middle of the slide rail 10; and a T-shaped head 81 matched with the T-shaped groove is arranged at the bottom of the sliding block 8. The sliding block 8 and the T-shaped head 81 can be connected through a bolt or can adopt an integrated structure; the T-shaped head 81 is clamped in the T-shaped groove of the slide rail 10; during installation, the T-shaped head 81 may be snapped in from one end of the slide rail 10.

As shown in fig. 5, in order to prevent the slider 8 from separating from the two ends of the slide rail and to facilitate the mounting and dismounting of the slider 8, the following embodiments are optimized: the tail end of the T-shaped groove of the slide rail 10 is closed, and the front end of the T-shaped groove is closed through a block 11. The sprue 11 is used for plugging up the notch of T type groove end, can install in T type groove through the bolt, when needs loading and unloading slider 8, dismantles sprue 11 earlier, moves T type groove end with slider 8 and can take out.

As shown in fig. 1-2, in order to achieve continuous positioning, optimization is performed on the basis of the above-described embodiment: the front end of the sliding block 8 is provided with a positioning screw 9; the end of the positioning screw 9 is pressed against the bottom surface of the slide rail 10. The sliding block 8 can be moved by unscrewing the positioning screw 9, and when the positioning screw 9 is screwed down, the end head of the positioning screw 9 props against the bottom surface of the sliding rail 10, so that the sliding block 8 is positioned and fixed.

As shown in fig. 1, in order to facilitate the storage movement of the link 7, the following is optimized on the basis of the above embodiment: a movable groove 6 is arranged on the inner side of the handle 4; the connecting rod 7 is hinged in the movable groove 6.

As shown in fig. 1, in order to facilitate the photographing stability of the fundus camera, optimization is made on the basis of the above-described embodiment: the front end of the lens barrel 1 is provided with an eye socket cover 2.

As shown in fig. 6, in order to improve comfort, the following is optimized on the basis of the above embodiment: the eyepit cover 2 comprises a horn 21 connected with the lens barrel 1 and a silica gel ring 22 arranged at the port of the horn 21. The connecting end of the horn cylinder 21 and the lens cone 1 is round, and the other end is oval; when the eyeground camera is used, the eyeground cover 2 is attached to an eyeground of a human body, the silica gel ring 22 made of silica gel has flexibility and is comfortable when attached to the human body, the eyeground camera and the eye are stable when the eyeground cover is in contact with the human body, and imaging stability is improved.

Optimization is carried out on the basis of the embodiment: the silicone ring 22 is oval.

The utility model discloses concrete theory of operation:

the utility model discloses after well handle adopted beta structure, it is littleer to accomodate and pack the volume, portable uses.

The handle 4 can be pulled after the positioning screw 9 is unscrewed, and the sliding block 8 slides back and forth on the sliding rail 10 when the handle 4 is pulled; after the set screw 9 is tightened, the slider 8 is fixed on the slide rail 10, and the angle of the handle 4 is fixed.

When the slider 8 needs to be replaced, the blocking block 11 is detached firstly, the slider 8 is moved to the end of the slide rail, and the sliding block is taken out.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A convenient folding type fundus camera comprises a lens cone (1) arranged at the front end of a camera body (3), and is characterized in that a handle (4) is hinged at the lower end of the camera body (3); a slide block (8) which can slide and position back and forth is arranged at the bottom of the lens cone (1); a connecting rod (7) is hinged between the sliding block (8) and the handle (4).

2. A handy folding type fundus camera according to claim 1, characterized in that the bottom of said lens barrel (1) is provided with a slide rail (10) in the axial direction; the sliding block (8) is arranged on the sliding rail (10).

3. A handy folding fundus camera according to claim 2, characterized in that a T-shaped groove is provided in the middle of said slide rail (10); and a T-shaped head (81) matched with the T-shaped groove is arranged at the bottom of the sliding block (8).

4. A handy foldable fundus camera according to claim 3 characterized in that said T-shaped groove of said slide rail (10) is closed at the end and closed at the front by a block (11).

5. A handy folding fundus camera according to claim 3, characterized in that said slider (8) is provided with a set screw (9) at the front end; the end of the positioning screw (9) is propped against the bottom surface of the sliding rail (10).

6. A handy folding fundus camera according to claim 1, characterized in that said handle (4) is provided with a movable groove (6) inside; the connecting rod (7) is hinged in the movable groove (6).

7. A handy folding type fundus camera according to claim 1, characterized in that the front end of said lens barrel (1) is provided with an eyecup (2).

8. A handy foldable fundus camera according to claim 7, characterized in that said orbital shield (2) comprises a trumpet (21) connected to the lens barrel (1) and a silicone ring (22) placed at the end of the trumpet (21).

9. A handy foldable fundus camera according to claim 8 characterized in that said silicone ring (22) is oval.