Pen type flashlight for ophthalmic examination

Abstract

The utility model relates to the technical field of medical instruments, in particular to a pen type flashlight for ophthalmic examination. The problems that the intensity of a light source of a flashlight cannot be adjusted, eyes of a patient feel uncomfortable when irradiated by strong light, and the observation requirement cannot be met if the light source is too weak are solved. According to the design, a mounting cylinder is mounted at one end of a cylinder body, a light source lens is turned on by pressing a control switch, the eyes of a patient are examined, in order to avoid discomfort of the patient caused by the intensity of a light source, an adjusting assembly is additionally arranged, and a rotating ring is rotated to drive a threaded sleeve to stretch out and draw back from the mounting cylinder during use; the position of the light source lens can be conveniently adjusted, so that the intensity of the light source is controlled, discomfort caused by the fact that eyes of a patient are irradiated by strong light is avoided, use is more flexible, edition is more convenient, operation is convenient, the moving position of the threaded sleeve can be guided and limited in cooperation with the limiting assembly, and the stabilizing effect in the moving process of the threaded sleeve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a pen-type flashlight for ophthalmological examination. Background Art

[0002] Flashlights are commonly used lighting tools in ophthalmic examinations and are essential examination tools for ophthalmologists. When diagnosing and treating patients, ophthalmologists need to prepare a variety of tools, such as pens, Maddox rods, masks and flashlights, especially pens and flashlights. The placement of multiple tools on the doctor is messy and easy to lose. However, existing pen-type flashlights for ophthalmic examinations also face many problems. The intensity of the flashlight light source cannot be adjusted, and the patient's eyes will feel uncomfortable when exposed to strong light. In addition, if the light source is too weak, it cannot meet the observation requirements. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In order to solve the problem that the intensity of the flashlight light source cannot be adjusted, the patient's eyes will feel uncomfortable when exposed to strong light. In addition, if the light source is too weak, it cannot meet the observation requirements.

[0005] (2) Technical solution

[0006] The technical solution of the utility model is: a pen-type flashlight for ophthalmic examination, including a barrel; characterized in that it also includes a mounting barrel, a light source lens, an adjustment component, a limit component and a control switch, one end of the barrel is mounted with the mounting barrel, the light source lens is arranged inside the mounting barrel, the end of the barrel away from the mounting barrel is provided with a control switch, the control switch is connected to the light source lens through a connecting wire, the surface of the mounting barrel is provided with an adjustment component, and the interior of the mounting barrel is provided with a limit component.

[0007] Preferably, the design first installs the installation tube at one end of the cylinder body, and turns on the light source lens by pressing the control switch to examine the patient's eyes. In order to avoid discomfort to the patient caused by the intensity of the light source, an adjustment component is added. When in use, the threaded sleeve is driven to retract and retract from the installation tube by rotating the rotating ring, which facilitates the adjustment of the position of the light source lens, thereby achieving control of the intensity of the light source and avoiding discomfort to the patient's eyes caused by strong light exposure. It is more flexible to use and easy to operate. In conjunction with the limit component, the moving position of the threaded sleeve can be guided and limited, thereby improving the stability of the threaded sleeve during movement.

[0008] Furthermore, the adjusting component includes a threaded sleeve, a rotating ring, a limiting ring, a threaded ring and a groove. A threaded sleeve is installed on the outer side of the light source lens, and the threaded sleeve is arranged in the mounting tube. A rotating ring is rotatably arranged at one end of the surface of the mounting tube, and a limiting ring is installed at one end of the inner wall surface of the rotating ring. A groove matching the limiting ring is provided on the surface of the mounting tube, and the limiting ring is clamped in the groove. The rotating ring rotates on the surface of the mounting tube through the limiting ring and the groove. A threaded ring is installed on the inner wall surface of the rotating ring, and the threaded ring is threadedly connected to the surface of the threaded sleeve. By setting the adjusting component, the rotating ring is first matched with the limiting ring and the groove provided on the surface of the mounting tube to limit the position of the rotating ring, and matched with the threaded ring installed in the rotating ring. Rotating the rotating ring drives the threaded sleeve to extend and retract from the mounting tube, which is convenient for adjusting the position of the light source lens, thereby achieving control of the intensity of the light source and making it more flexible to use.

[0009] Furthermore, a lampshade made of borosilicate glass is installed on the bottom surface of the rotating ring, which can prevent the light source from being contaminated and improve the brightness of the light source. Borosilicate glass has high transparency, high wear resistance, high corrosion resistance and high temperature resistance.

[0010] Furthermore, the surfaces of the two cylinders are covered with anti-skid covers. By installing the anti-skid covers on the surfaces of the cylinders, the friction between the cylinders and the doctor's palms is increased, thereby improving the comfort of use.

[0011] Furthermore, a pen clip is installed at one end of the surface of the barrel, and the installation of the pen clip can facilitate the ophthalmologist to clip the flashlight in the pocket so that it is not easy to lose and is convenient to store and take out.

[0012] Furthermore, the limit assembly includes a limit block and a limit groove. Two limit blocks are symmetrically installed on the surface of the threaded sleeve. A limit groove matched with the limit block is opened on the inner wall of the installation tube. The limit block is clamped in the limit groove. The threaded sleeve slides in the installation tube through the limit block and the limit groove. By setting the limit assembly, the moving position of the threaded sleeve can be guided and limited, thereby improving the stability of the threaded sleeve during movement.

[0013] Furthermore, the limiting block is arranged in an L-shaped structure, so as to improve the stability of the limiting block in the limiting groove.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the beneficial effect of the utility model is that the design first installs the installation tube at one end of the cylinder body, and turns on the light source lens by pressing the control switch to examine the patient's eyes. In order to avoid discomfort to the patient caused by the strength of the light source, an adjustment component is added. When in use, the threaded sleeve is driven to retract from the installation tube by rotating the rotating ring, which facilitates the position adjustment of the light source lens, thereby achieving the control of the light source strength and avoiding discomfort to the patient's eyes caused by strong light exposure. It is more flexible to use and easy to operate. In combination with the limit component, the moving position of the threaded sleeve can be guided and limited, thereby improving the stability of the threaded sleeve during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 Shown is a cross-sectional view of the lampshade in the utility model;

[0018] Figure 3 The figure shows the installation position of the thread ring in the utility model;

[0019] Figure 4 What is shown is a disassembled diagram of the adjustment component in the utility model;

[0020] Figure 5 What is shown is a front view of the overall structure of the utility model;

[0021] Figure 6 What is shown is a schematic diagram of the structure of the limit assembly in the utility model.

[0022] Explanation of the accompanying drawings: 1-cylinder body, 2-anti-slip sleeve, 3-installing cylinder, 4-light source lens, 5-adjusting assembly, 51-threaded sleeve, 52-rotating ring, 53-limiting ring, 54-threaded ring, 55-groove, 56-lamp cover, 6-limiting assembly, 61-limiting block, 62-limiting groove, 7-pen clip, 8-control switch. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Embodiment 1:

[0025] See also Figure 1-6The utility model provides an embodiment: a pen-type flashlight for ophthalmic examination, comprising a barrel 1; characterized in that it also comprises a mounting barrel 3, a light source lens 4, an adjustment component 5, a limit component 6 and a control switch 8, a mounting barrel 3 is mounted at one end of the barrel 1, a light source lens 4 is arranged in the mounting barrel 3, a control switch 8 is arranged at one end of the barrel 1 away from the mounting barrel 3, the control switch 8 is connected to the light source lens 4 through a connecting wire, an adjustment component 5 is arranged on the surface of the mounting barrel 3, a limit component 6 is arranged inside the mounting barrel 3, the adjustment component 5 comprises a threaded sleeve 51, a rotating ring 52, a limit ring 53, a threaded ring 54 and a groove 55, a threaded sleeve 51 is mounted on the outer side of the light source lens 4, the threaded sleeve 51 is arranged in the mounting barrel 3, a rotating ring 52 is rotated at one end of the surface of the mounting barrel 3, a limit ring 53 is mounted at one end of the inner wall surface of the rotating ring 52, a groove 55 adapted to the limit ring 53 is opened on the surface of the mounting barrel 3, and the limit ring 53 is clamped in the groove 55 The rotating ring 52 rotates on the surface of the mounting tube 3 through the limit ring 53 and the groove 55. The inner wall surface of the rotating ring 52 is installed with a threaded ring 54, and the threaded ring 54 is threadedly connected to the surface of the threaded sleeve 51. The bottom surface of the rotating ring 52 is installed with a lampshade 56 made of borosilicate glass. The surfaces of the two barrels 1 are sleeved with anti-slip sleeves 2, and one end of the surface of the barrel 1 is installed with a pen clip 7. By installing the pen clip 7, it is convenient for ophthalmologists to clamp the flashlight in their pockets and it is not easy to lose it, and it is convenient to store and take it. The anti-slip sleeve 2 is installed to increase the friction between the barrel 1 and the doctor's palm, and the comfort of use is improved. By setting the adjustment component 5, the rotating ring 52 is first matched with the limit ring 53 and the groove 55 opened on the surface of the mounting tube 3 to limit the position of the rotating ring 52, and the threaded ring 54 installed in the rotating ring 52 is matched. The rotating ring 52 drives the threaded sleeve 51 to extend and retract from the mounting tube 3, which is convenient for adjusting the position of the light source lens 4, thereby achieving the control of the light source intensity and more flexible use.

[0026] Embodiment 2:

[0027] See also Figure 2 In this embodiment, the limiting assembly 6 includes a limiting block 61 and a limiting groove 62. Two limiting blocks 61 are symmetrically installed on the surface of the threaded sleeve 51. The inner wall of the mounting tube 3 is provided with a limiting groove 62 adapted to the limiting block 61. The limiting block 61 is clamped in the limiting groove 62. The threaded sleeve 51 slides in the mounting tube 3 through the limiting block 61 and the limiting groove 62. The limiting block 61 is arranged in an L-shaped structure. By setting the limiting assembly 6, the moving position of the threaded sleeve 51 can be guided and limited, thereby improving the stability of the threaded sleeve 51 during movement.

[0028] First, the installation tube 3 is installed at one end of the tube body 1, and the light source lens 4 is turned on by pressing the control switch 8 to check the patient's eyes. The threaded ring 54 installed in the rotating ring 52 is matched to rotate the rotating ring 52 to drive the threaded sleeve 51 to extend and retract from the installation tube 3, so as to facilitate the position adjustment of the light source lens 4, thereby achieving the control of the light source intensity, and the use is more flexible;

[0029] Installing a lampshade 56 made of borosilicate glass can prevent the light source from being polluted and improve the brightness of the light source. Borosilicate glass has high transparency, high wear resistance, high corrosion resistance and high temperature resistance;

[0030] By installing the pen clip 7, the ophthalmologist can put the flashlight in the pocket to prevent it from being lost and to facilitate storage and access;

[0031] By providing the limiting assembly 6 , the moving position of the threaded sleeve 51 can be guided and limited, thereby improving the stability of the threaded sleeve 51 during movement.

[0032] Through the above steps, the design first installs the installation tube 3 at one end of the tube body 1, and turns on the light source lens 4 by pressing the control switch 8 to check the patient's eyes. In order to avoid the discomfort caused by the strength of the light source to the patient, by setting the adjustment component 5, the rotating ring 52 is first matched with the limit ring 53 and the groove 55 opened on the surface of the installation tube 3 to limit the position of the rotating ring 52, and the threaded ring 54 installed in the rotating ring 52 is rotated to drive the threaded sleeve 51 to extend and retract from the installation tube 3, so as to facilitate the position adjustment of the light source lens 4, thereby achieving the control of the strength of the light source, and it is more flexible to use, thereby achieving the control of the strength of the light source, avoiding the discomfort caused by the strong light exposure to the patient's eyes, and it is more flexible to use and easy to operate. By installing the anti-slip sleeve 2 on the surface of the tube body 1, the friction between the tube body 1 and the doctor's palm is increased, and the comfort of use is improved. The installation of the pen clip 7 can facilitate the ophthalmologist to clamp the flashlight in the pocket and it is not easy to lose, and it is convenient to store and access. In combination with the limit assembly 6, the moving position of the threaded sleeve 51 can be guided and limited, and the stability effect of the threaded sleeve 51 during the movement process is improved.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A pen-type flashlight for ophthalmic examination, comprising a barrel (1); characterized in that: The invention also comprises a mounting tube (3), a light source lens (4), an adjustment component (5), a limit component (6) and a control switch (8); the mounting tube (3) is mounted on one end of the tube body (1); the light source lens (4) is arranged inside the mounting tube (3); the control switch (8) is arranged on the end of the tube body (1) away from the mounting tube (3); the control switch (8) is connected to the light source lens (4) via a connecting wire; the adjustment component (5) is arranged on the surface of the mounting tube (3); and the limit component (6) is arranged inside the mounting tube (3).

2. The pen-type flashlight for ophthalmic examination according to claim 1, characterized in that: The adjustment assembly (5) comprises a threaded sleeve (51), a rotating ring (52), a limiting ring (53), a threaded ring (54) and a groove (55). The outer side of the light source lens (4) is provided with a threaded sleeve (51). The threaded sleeve (51) is arranged in the installation tube (3). A rotating ring (52) is rotatably provided on one end of the surface of the installation tube (3). A limiting ring (53) is installed on one end of the inner wall surface of the rotating ring (52). A groove (55) matching the limiting ring (53) is provided on the surface of the installation tube (3). The limiting ring (53) is clamped in the groove (55). The rotating ring (52) rotates on the surface of the installation tube (3) through the limiting ring (53) and the groove (55). A threaded ring (54) is installed on the inner wall surface of the rotating ring (52). The threaded ring (54) is threadedly connected to the surface of the threaded sleeve (51).

3. The pen-type flashlight for ophthalmic examination according to claim 2, characterized in that: A lampshade (56) made of borosilicate glass is installed on the bottom surface of the rotating ring (52).

4. The pen-type flashlight for ophthalmic examination according to claim 1, characterized in that: The surfaces of the two cylinders (1) are covered with anti-slip covers (2).

5. The pen-type flashlight for ophthalmic examination according to claim 1, characterized in that: A pen clip (7) is installed on one end of the surface of the barrel (1).

6. The pen-type flashlight for ophthalmic examination according to claim 2, characterized in that: The limiting assembly (6) comprises a limiting block (61) and a limiting groove (62); two limiting blocks (61) are symmetrically mounted on the surface of the threaded sleeve (51); a limiting groove (62) matched with the limiting block (61) is formed on the inner wall of the mounting tube (3); the limiting block (61) is snap-fitted into the limiting groove (62); and the threaded sleeve (51) slides in the mounting tube (3) via the limiting block (61) and the limiting groove (62).

7. The pen-type flashlight for ophthalmic examination according to claim 6, characterized in that: The limiting block (61) is arranged in an L-shaped structure.

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