A wearable headgear for visual function alphabet training

Abstract

A wearable headgear for visual function alphabet training, comprising a headgear body, a movable training card and a cover plate arranged on the front of the headgear body; the training card is placed on the front of the headgear body through a support frame, and the cover plate can slide on the front end of the headgear body shell through a slide rail device. The headgear is used for installing visual function training treatment letter cards, and serves as an auxiliary device for improving visual health and eye function, is convenient for the user to use, makes the treatment data of the user more accurate, and reduces the data error and arm soreness caused by the user holding the existing letter cards.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a wearable helmet for training visual function alphabet. Background Technology

[0002] Visual function training is often used in the treatment of visual problems in children, such as eye strain and reading difficulties. The alphabet is used to train the eye's accommodative amplitude, accommodative sensitivity, contrast sensitivity, and eye control.

[0003] Traditional alphabet training requires patients to hold small alphabet cards in one hand and track moving letters and quickly identify letters at varying distances to achieve training goals. However, holding the cards up for extended periods can cause arm muscle soreness, leading to inaccurate distance readings and ultimately poor training results. Summary of the Invention

[0004] To address the aforementioned issues, the purpose of this invention is to provide a wearable visual function alphabet training helmet for mounting alphabet cards for visual function training and therapy. This serves as an auxiliary device for improving visual health and eye function, making it convenient for trainees to use, increasing the accuracy of their treatment data, and reducing data errors and arm pain caused by trainees holding existing alphabet cards.

[0005] The technical solution to the above problem is: a wearable visual function alphabet training helmet, including a helmet body, wherein a movable training card and a cover plate are provided at the front of the helmet body; the training card is placed at the front of the helmet body by a support frame, and the cover plate can slide at the front end of the helmet body shell by a sliding rail device.

[0006] A further technical solution is as follows: the support frame includes an upright, a support rod, a sliding indicator, and a rotating rod; the upright is positioned on the top of the helmet body, the support rod is sleeved on the upright, movable on the upright, and rotatably connected to the upright; the sliding indicator is sleeved on the support rod and slidably connected to the support rod; the rotating rod is suspended on the sliding indicator and rotatably connected to the sliding indicator, and the rotating rod is located at the front of the helmet body; the training card is fixed below the rotating rod.

[0007] A further technical solution is as follows: the slide rail device includes a sliding plate and a hanging rod. The sliding plate is disposed at the front end of the helmet body shell, and the hanging rod is located at the bottom of the sliding plate and is slidably connected to the sliding plate.

[0008] A further technical solution is that the support frame also includes a limiting device, the upper surface of which is wavy and used to limit the position of the support frame.

[0009] A further technical solution is as follows: the bottom of the sliding plate is provided with an inverted convex groove; the top of the hanging rod is provided with a slider that is adapted to the shape of the inverted convex groove, the slider is slidably disposed in the inverted convex groove, and the hanging rod is suspended on the inverted convex groove by the slider.

[0010] A further technical solution is that the support rod is provided with length unit scale lines.

[0011] A further technical solution is as follows: the sliding indicator includes a groove and a pointer located at the top of the groove. The groove of the sliding indicator is slidably clamped and installed on the support rod, and the pointer of the sliding indicator points to the scale line on the support rod.

[0012] Due to the adoption of the above technical solution, the wearable visual function alphabet training helmet of this utility model has the following characteristics and beneficial effects: This utility model discloses a wearable visual function alphabet training helmet for mounting alphabet cards for visual function training and treatment. As an auxiliary device for improving visual health and eye function, it is convenient for trainees to use, making treatment data more accurate. It reduces data errors and arm pain caused by holding existing alphabet cards, is easy to operate, frees up the patient's hands, reduces cross-infection, and improves the work efficiency of staff. This wearable visual function alphabet training helmet can be used for clinical observation of visual function alphabet data and for observing the authenticity and objectivity of trainees' training during visual function training, providing more intuitive results. The helmet allows for quick adjustment of the distance between the alphabet cards and the trainee's eyes by sliding the sliding indicator 43 on the support frame 4. The cover plate 3 slides at the front end of the helmet body 1 via a sliding rail device 5, which can cover the untrained eyes according to the training situation, freeing up the hands and reducing cross-infection caused by holding the cover plate. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a wearable visual function alphabet training helmet according to an embodiment. Figure 1 ; Figure 2 This is a schematic diagram of the structure of a wearable visual function alphabet training helmet according to an embodiment. Figure 2 ; Figure 3 This is a schematic diagram of the structure of a wearable visual function alphabet training helmet according to an embodiment. Figure 3 ; Figure 4 This is a schematic diagram of the structure of a wearable visual function alphabet training helmet according to an embodiment. Figure 4 ; Figure 5 This is a schematic diagram of the structure of a wearable visual function alphabet training helmet according to an embodiment. Figure 5 ; Figure 6 This is a schematic diagram of the connection structure between the support rod, the sliding indicator, and the rotating rod of this utility model; Figure 7 This is a schematic diagram of the connection structure between the sliding plate and the hanging rod of this utility model.

[0014] In the picture: 1-Helmet body 1, 2-Training card 2, 3-Cover plate 3, 4-Support frame 4, 41-Upright pole 41, 42-Support rod 42, 43-Sliding indicator 43, 44-Rotating rod 44, 45-Limiting device 45; 5-Slide rail device 5, 51-Sliding plate 51, 52-Hanging rod 52, 53-Inverted convex groove 53. Detailed Implementation

[0015] like Figures 1 to 5 As shown: A wearable visual function alphabet training helmet includes a helmet body 1, and a movable training card 2 and a cover plate 3 are provided at the front of the helmet body 1; the training card 2 is placed at the front of the helmet body 1 by a support frame 4, and the cover plate 3 can slide at the front end of the helmet body 1 shell by a slide rail device 5.

[0016] See Figure 6 The support frame 4 includes a vertical pole 41, a support rod 42, a sliding indicator 43, and a rotating rod 44. The vertical pole 41 is located on the top of the helmet body 1. The support rod 42 is fitted onto the vertical pole 41, can move on the vertical pole 41, and is rotatably connected to the vertical pole 41. That is, the support rod 42 and the vertical pole 41 are designed as a pluggable structure, and the support rod 42 can move upward along the vertical pole 41, making it easy to lift and rotate the support rod 42 to a suitable position. The sliding indicator 43 is fitted onto the support rod 42 and is slidably connected to the support rod 42. The rotating rod 44 is suspended on the sliding indicator 43 and is rotatably connected to the sliding indicator 43. The rotating rod 44 is located at the front of the helmet body 1. The training card 2 is fixed below the rotating rod 44. The sliding indicator 43 can slide back and forth on the support rod 42, making it convenient for the trainee to adjust the distance between the training card 2 and their eyes, reducing data errors and arm pain caused by the trainee holding existing letter cards.

[0017] To ensure more accurate treatment data and precise distance adjustments, the support rod 42 is equipped with length unit scale lines. The scale lines also display graduations for easy and quick distance adjustment.

[0018] The sliding indicator 43 includes a clamping groove and a pointer located at the top of the clamping groove. The clamping groove of the sliding indicator 43 is slidably clamped and mounted on the support rod 42, and the pointer of the sliding indicator 43 points to the scale line on the support rod 42.

[0019] See Figure 7The slide rail device 5 includes a sliding plate 51 and a suspension rod 52. The sliding plate 51 is located at the front end of the helmet body shell 1, and the suspension rod 52 is located at the bottom of the sliding plate 51 and is slidably connected to the sliding plate 51. The bottom of the sliding plate 51 has an inverted convex groove 53; the top of the suspension rod 52 is provided with a slider that conforms to the shape of the inverted convex groove 53. The slider is slidably disposed in the inverted convex groove 53, and the suspension rod 52 is suspended on the inverted convex groove 53 by the slider.

[0020] The boom 52 can slide left and right on the sliding plate 51. The cover plate 3 can be used to cover the trainee's eyes according to the training needs, without the trainee having to hold the cover plate 3 to cover their eyes.

[0021] The support frame 4 also includes a limiting device 45. The upper surface of the limiting device 45 is wavy and is used to limit the position of the support frame 4. Generally, the upper surface of the limiting device 45 is wavy with three concave arcs. The support rod 42 is respectively locked in the three concave arcs, so that the training card 2 is exactly in front of the trainee's left eye, right eye, and center of both eyes.

[0022] This invention relates to a wearable visual function alphabet training helmet. For example, when training the left eye, the support rod 42 is positioned next to the trainee's left eye via the limiting device 45, and the training card 2 is rotated to face the front of the left eye. Simultaneously, the cover plate 3 slides to the trainee's right eye via the sliding rail device 5, covering the right eye before training. During the training, the distance between the training card 2 and the left eye can be quickly and accurately adjusted using the sliding indicator 43. Similarly, when training the right eye, the support rod 42 is positioned next to the trainee's right eye via the limiting device 45, and the training card 2 is rotated to face the front of the right eye. Simultaneously, the cover plate 3 slides to the trainee's left eye via the sliding rail device 5, covering the left eye before training. During the training, the distance between the training card 2 and the right eye can be quickly and accurately adjusted using the sliding indicator 43.

[0023] This wearable visual alphabet training helmet is simple to operate during use, freeing the trainee's hands and improving the work efficiency of staff.

[0024] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made using the content of the present utility model specification, or direct or indirect applications in the technical fields of other related products, are similarly included within the patent protection scope of the present utility model.

Claims

1. A wearable visual function alphabet training helmet, comprising a helmet body (1), characterized in that: The front of the helmet body (1) is provided with a movable training card (2) and a cover plate (3); the training card (2) is placed at the front of the helmet body (1) by a support frame (4), and the cover plate (3) can slide at the front end of the helmet body (1) shell by a slide rail device (5).

2. The wearable visual function alphabet training helmet according to claim 1, characterized in that: The support frame (4) includes a vertical pole (41), a support rod (42), a sliding indicator (43), and a rotating rod (44); the vertical pole (41) is set on the top of the helmet body (1), the support rod (42) is sleeved on the vertical pole (41), can move on the vertical pole (41), and is rotatably connected to the vertical pole (41); the sliding indicator (43) is sleeved on the support rod (42) and is slidably connected to the support rod (42); the rotating rod (44) is suspended on the sliding indicator (43) and is rotatably connected to the sliding indicator (43), and the rotating rod (44) is located at the front of the helmet body (1); the training card (2) is fixed below the rotating rod (44).

3. The wearable visual function alphabet training helmet according to claim 1, characterized in that: The slide rail device (5) includes a sliding plate (51) and a hanging rod (52). The sliding plate (51) is located at the front end of the helmet body (1) shell, and the hanging rod (52) is located at the bottom of the sliding plate (51) and is slidably connected to the sliding plate (51).

4. A wearable visual function alphabet training helmet according to claim 1, characterized in that: The support frame (4) also includes a limiting device (45), the upper surface of which is wavy and used to limit the position of the support frame (4).

5. A wearable visual function alphabet training helmet according to claim 3, characterized in that: The bottom of the sliding plate (51) is provided with an inverted convex groove (53); the top of the lifting rod (52) is provided with a slider that is adapted to the shape of the inverted convex groove (53), the slider is slidably disposed in the inverted convex groove (53), and the lifting rod (52) is suspended on the inverted convex groove (53) by the slider.

6. A wearable visual function alphabet training helmet according to claim 2, characterized in that: The support rod (42) is provided with length unit scale lines.

7. A wearable visual function alphabet training helmet according to claim 2, characterized in that: The sliding indicator (43) includes a groove and a pointer located at the top of the groove. The groove of the sliding indicator (43) is slidably clamped and installed on the support rod (42). The pointer of the sliding indicator (43) points to the scale line on the support rod (42).

Images