CN204130023U - 一种压力实验教具 - Google Patents

一种压力实验教具 Download PDF

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Publication number
CN204130023U
CN204130023U CN201420473930.4U CN201420473930U CN204130023U CN 204130023 U CN204130023 U CN 204130023U CN 201420473930 U CN201420473930 U CN 201420473930U CN 204130023 U CN204130023 U CN 204130023U
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probe
water bottle
flexible pipe
rubber film
teaching aid
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韩智
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Abstract

本实用新型提供了一种压力实验教具,其特征在与包括水瓶、探头、橡胶薄膜、软管和U型压力计,所述水瓶中间开有两个孔,所述探头中空表面蒙着橡胶薄膜,探头两侧有两个突起插入水瓶的孔中,其中一个突起中空与探头空腔相连,中空突起连接软管,软管连接U型压力计。本实用新型结构简单使用方便,方便直观的演示了物体在水面下同一深度不管哪个方向压力相同的试验问题。

Description

一种压力实验教具
技术领域
本发明涉及教学器具领域,具体涉及一种压力实验教具。
背景技术
初中物理课在讲压力的时候,会讲到物体在水面下同一深度不管哪个方向压力相同,现在的实验都是用一个连杆下面一个探头,探头表面蒙一层橡胶薄膜来测量压力,探头通过一个软管与U型压力计连接。实验时将探头深入水中,到达一个深度观察压力,然后拿出探头将探头旋转一个角度在放到水中,在观察压力,由于在实验时手动掌握探头位置,而且换个角度要拿出探头一次,很不方便,而且影响实验效果。
发明内容
本发明为解决物体在水面下同一深度不管哪个方向压力相同的试验问题,提出了一种实验教具。
本发明采用的技术方案为:一种压力实验教具,其特征在与包括水瓶、探头、橡胶薄膜、软管和U型压力计,所述水瓶中间开有两个孔,所述探头中空表面蒙着橡胶薄膜,探头两侧有两个突起插入水瓶的孔中, 其中一个突起中空与探头空腔相连,中空突起连接软管,软管连接U型压力计。
本发明的有益效果为:本发明结构简单使用方便,方便直观的演示了物体在水面下同一深度不管哪个方向压力相同的试验问题。
附图说明
图1本发明的结构图。
附图标记:1-水瓶、2-探头、3-橡胶薄膜、4-软管、5-U型压力计。
具体实施方式
下面结合附图对本发明进行进一步说明。如图1所示一种压力实验教具,其特征在与包括水瓶1、探头2、橡胶薄膜3、软管4和U型压力计5,所述水瓶1中间开有两个孔,所述探头2中空表面蒙着橡胶薄膜3,探头2两侧有两个突起插入水瓶1的孔中, 其中一个突起中空与探头2空腔相连,中空突起连接软管4,软管4连接U型压力计5。
实验时水瓶1中注入水,由于水的压力使U型压力计5液面产生高度差,这时旋转探头2外漏的突起,使探头2旋转,同时观察U型压力计5的液面有无变化。
以上仅是本发明的一些具体实施例,上述具体结构不能理解为是对本发明的限制,事实上,本发明的具体实施例有很多种,凡是在本发明构思内对其做出的非实质性修改都落入本发明的保护范围之内。

Claims (1)

1.一种压力实验教具,其特征在与包括水瓶、探头、橡胶薄膜、软管和U型压力计,所述水瓶中间开有两个孔,所述探头中空表面蒙着橡胶薄膜,探头两侧有两个突起插入水瓶的孔中, 其中一个突起中空与探头空腔相连,中空突起连接软管,软管连接U型压力计。
CN201420473930.4U 2014-08-21 2014-08-21 一种压力实验教具 Expired - Fee Related CN204130023U (zh)

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CN201420473930.4U CN204130023U (zh) 2014-08-21 2014-08-21 一种压力实验教具

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CN204130023U true CN204130023U (zh) 2015-01-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104157188A (zh) * 2014-08-21 2014-11-19 韩智 一种压力实验教具
CN106504623A (zh) * 2017-01-10 2017-03-15 陈应瑞 一种物理教学学生用压力演示仪

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104157188A (zh) * 2014-08-21 2014-11-19 韩智 一种压力实验教具
CN106504623A (zh) * 2017-01-10 2017-03-15 陈应瑞 一种物理教学学生用压力演示仪

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