CN2197879Y - 预防近视仪 - Google Patents

预防近视仪 Download PDF

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Publication number
CN2197879Y
CN2197879Y CN 94228300 CN94228300U CN2197879Y CN 2197879 Y CN2197879 Y CN 2197879Y CN 94228300 CN94228300 CN 94228300 CN 94228300 U CN94228300 U CN 94228300U CN 2197879 Y CN2197879 Y CN 2197879Y
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utility
model
fixed
top rod
support pipe
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Expired - Fee Related
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CN 94228300
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English (en)
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潘永丰
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Individual
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Individual
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Priority to CN 94228300 priority Critical patent/CN2197879Y/zh
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Abstract

本实用新型提供了一种预防近视仪,其技术要点 是:它是由T形顶杆、支撑管和固定夹组成,固定夹 固定在支撑管的下端,T形顶杆从支撑管的另一端插 入管里,在支撑管上有顶丝。使用时将固定夹固定在 桌子边缘上,拉出T形顶杆,调好距离,用顶丝固定 顶杆,人的下颌部顶在顶杆上。这样可保证读书写字 人距书本一尺。

Description

本实用新型涉及可预防近视眼的一种仪器。
造成小学生近视眼的原因很多,其中一个原因是:由于小学生的自觉性稍差,他们在读书写字时,眼距书本很近,有的个别小学生,眼距书本仅为半尺,时间一久,必染近视眼。
本实用新型的目的是:提供一种预防近视仪,它能保证眼距书本为一尺,从而防止近视眼。
下面结合附图说明本实用新型。
附图是本实用新型的结构示意图。
它是由T形顶杆1、支撑管2和固定夹3组成,固定夹固定在支撑管的下端,T形顶杆从支撑管的另一端插入管里,在支撑管上有顶丝。使用时将固定夹固定在桌子边缘上,拉出T形顶杆,调好距离,用顶丝固定顶杆,顶杆顶在下颌上。这样可保证读书写字人距书本一尺。
本实用新型与现有技术相比,它可保证眼距书本为一尺,强迫小学生养成书本距眼为一尺的好习惯,预防近视眼。

Claims (1)

1、一种预防近视仪,其特征是:它是由T形顶杆1、支撑管2和固定夹3组成,固定夹固定在支撑管的下端,T形顶杆从支撑管的另一端插入管里,在支撑管上有顶丝。
CN 94228300 1994-04-12 1994-04-12 预防近视仪 Expired - Fee Related CN2197879Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94228300 CN2197879Y (zh) 1994-04-12 1994-04-12 预防近视仪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94228300 CN2197879Y (zh) 1994-04-12 1994-04-12 预防近视仪

Publications (1)

Publication Number Publication Date
CN2197879Y true CN2197879Y (zh) 1995-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94228300 Expired - Fee Related CN2197879Y (zh) 1994-04-12 1994-04-12 预防近视仪

Country Status (1)

Country Link
CN (1) CN2197879Y (zh)

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