Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A handy pointer for teaching

A pointer and convenient technology, applied in the field of pointers, can solve problems such as inconvenient teaching

Active Publication Date: 2021-05-11
东营职业学院
View PDF19 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the shortcoming that pointers and chalks need to be used alternately and are inconvenient for teaching, the technical problem to be solved is to provide a convenient teaching method to help teachers perform some simple chalk operations on the blackboard and reduce the number of times teachers use chalk and pointers. pointer

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A handy pointer for teaching
  • A handy pointer for teaching
  • A handy pointer for teaching

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A handy pointer for teaching, such as Figure 1-3 As shown, it includes a handle 1, a first hollow tube 2, a first clamping device 3, a second hollow tube 4, a second clamping device 7, a solid tube 8 and a guide rod 10, and the inner bottom of the handle 1 is provided with The first hollow tube 2, the first hollow tube 2 passes through the top of the handle 1, the handle 1 is made of soft material, the handle 1 and the first hollow tube 2 are provided with a first clamping device 3 that cooperates with each other, the first A second hollow tube 4 is slidingly provided in the hollow tube 2, and the first clamping device 3 fixes the second hollow tube 4 in the first hollow tube 2, and the outer sides of the left and right walls of the second hollow tube 4 are provided with first slides. Groove 5, the second through hole 6 is arranged below the left and right sides of the second hollow tube 4, the second hollow tube 4 is inserted with a solid tube 8, and the left and righ...

Embodiment 2

[0023] A handy pointer for teaching, such as Figure 1-3 As shown, it includes a handle 1, a first hollow tube 2, a first clamping device 3, a second hollow tube 4, a second clamping device 7, a solid tube 8 and a guide rod 10, and the inner bottom of the handle 1 is provided with The first hollow tube 2, the first hollow tube 2 passes through the top of the handle 1, the handle 1 is made of soft material, the handle 1 and the first hollow tube 2 are provided with a first clamping device 3 that cooperates with each other, the first A second hollow tube 4 is slidingly provided in the hollow tube 2, and the first clamping device 3 fixes the second hollow tube 4 in the first hollow tube 2, and the outer sides of the left and right walls of the second hollow tube 4 are provided with first slides. Groove 5, the second through hole 6 is arranged below the left and right sides of the second hollow tube 4, the second hollow tube 4 is inserted with a solid tube 8, and the left and righ...

Embodiment 3

[0026] A handy pointer for teaching, such as Figure 1-3 As shown, it includes a handle 1, a first hollow tube 2, a first clamping device 3, a second hollow tube 4, a second clamping device 7, a solid tube 8 and a guide rod 10, and the inner bottom of the handle 1 is provided with The first hollow tube 2, the first hollow tube 2 passes through the top of the handle 1, the handle 1 is made of soft material, the handle 1 and the first hollow tube 2 are provided with a first clamping device 3 that cooperates with each other, the first A second hollow tube 4 is slidingly provided in the hollow tube 2, and the first clamping device 3 fixes the second hollow tube 4 in the first hollow tube 2, and the outer sides of the left and right walls of the second hollow tube 4 are provided with first slides. Groove 5, the second through hole 6 is arranged below the left and right sides of the second hollow tube 4, the second hollow tube 4 is inserted with a solid tube 8, and the left and righ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a pointer, in particular to a pointer which is convenient for teaching. The technical problem to be solved is to provide a convenient teaching pointer which can help teachers perform some simple chalk operations on the blackboard and reduce the number of times the teacher uses the chalk and the pointer for exchange. The technical solution of the present invention is: a convenient teaching pointer, including a handle, a first hollow tube, a first clamping device, a second hollow tube, a second clamping device, etc.; the inner bottom of the handle is provided with a first Hollow tube, the first hollow tube passes through the top of the handle, the handle is made of soft material, the handle and the first hollow tube are provided with a first clamping device that cooperates with each other, and the first hollow tube is slidingly provided with a second hollow The first clamping device fixes the second hollow tube in the first hollow tube. When the present invention is in use, the second hollow tube and the solid tube are first loosened by the first clamping device and the second clamping device, and then stretched.

Description

technical field [0001] The invention relates to a pointer, in particular to a pointer which is convenient for teaching. Background technique [0002] The pointer refers to the stick used by teachers to instruct blackboard writing and pictures during lectures. A tool similar to a ruler used by teachers in the old days to corporal punishment and spur students; teaching in modern society, especially in colleges and universities, is basically replaced by electronic pointers. Although technology advances, electronic pointers are also used in teaching, but teachers' love for traditional pointers has not diminished. Traditional pointers are still very popular with teachers, so traditional pointers are still used in most areas. [0003] The traditional pointer is very simple to make, but there are still many problems with this kind of pointer. For example, teachers generally use the right hand to write and use the pointer, and the time of using the chalk and the pointer will confli...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G09B17/02
CPCG09B17/02
Inventor 薛金凤张欢
Owner 东营职业学院
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com