WO2018036042A1 - 一种教育用数学教学用具 - Google Patents

一种教育用数学教学用具 Download PDF

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Publication number
WO2018036042A1
WO2018036042A1 PCT/CN2016/111619 CN2016111619W WO2018036042A1 WO 2018036042 A1 WO2018036042 A1 WO 2018036042A1 CN 2016111619 W CN2016111619 W CN 2016111619W WO 2018036042 A1 WO2018036042 A1 WO 2018036042A1
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WIPO (PCT)
Prior art keywords
rod
motor
bracket
thumb cylinder
screw
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PCT/CN2016/111619
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English (en)
French (fr)
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杨建锋
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杨建锋
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Publication of WO2018036042A1 publication Critical patent/WO2018036042A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/24—Devices for generating stepwise movements of drawing equipment, e.g. for hatching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/04—Wiper holders

Definitions

  • the invention relates to an educational teaching tool, in particular to a portable mathematics teaching tool for education.
  • Education is a social activity that has the purpose, organization, planning, and systematic transfer of knowledge and technical norms.
  • the fundamental value of education is to provide the country with talents with lofty beliefs, high morality, honesty and law-abiding, skilled skills, knowledgeable and multi-disciplinary talents, training and raising the labor force needed for economic and social development, and training qualified citizens for the country, Create scientific knowledge and material wealth for the family, for the society, promote economic growth, promote national prosperity, promote human development, and promote world peace and human development.
  • Education plays a very important role in society, and education is divided into family education and school education. These educations are important for guiding children.
  • the teaching tool is a general term for the various instruments used by the students to intuitively and visually understand the teaching contents and the tools used by the teachers during the lectures. Abbreviation for teaching aids. Teaching aids can enhance students' interest in learning, enrich their perceptual knowledge, help form clear concepts, and develop students' ability to observe and think. Generally divided into three types of general teaching aids, special teaching aids and early childhood teaching aids.
  • the technical problem to be solved by the present invention is to provide a teacher with simple, practical and drawing standards, which can improve teaching quality education. Use portable mathematics teaching equipment.
  • the present invention provides such a portable mathematical teaching tool device for education, comprising a crank, a sliding sleeve, a swinging rod, a first thumb cylinder, a second thumb cylinder, a first pole, a blackboard eraser, a gear , first bracket, rack, slide rail, slider, screw, first bearing seat, first motor, top plate, second bearing seat, nut, electric push rod, fixed rod, fixed plate, second motor, telescopic a rod and a second rod; a top plate is arranged on the wall, and a bottom of the top plate is provided with a second bearing seat, a first bearing seat and a first motor from left to right, and a second bearing seat and the first bearing seat are installed between The screw rod and the right end of the screw rod are connected with the first motor.
  • the screw rod is provided with a nut, the screw rod and the nut are matched, the bottom of the nut is connected with an electric push rod, and the lower end of the electric push rod is connected with a fixed rod, and the bottom side of the fixed rod is fixed at the bottom.
  • a swinging rod is arranged at the rear of the fixed plate, the fixed plate and the swinging rod are hingedly connected, a second motor is arranged at a lower rear of the fixed plate, a rotating shaft is arranged on the second motor, a crank is arranged on the rotating shaft, and the crank is right
  • the sliding sleeve is arranged, the first thumb cylinder is arranged at the rear end of the sliding sleeve, the swinging rod passes through the sliding sleeve, the second thumb cylinder is arranged at the end of the swinging rod, the telescopic rod is arranged in the middle of the top of the top plate, and the sliding rail is connected to the lower end of the telescopic rod
  • the slide is provided with a slider, the slider is provided with a rack, the left end of the rack is connected with the right end of the fixed rod, the right end of the slide rail is provided with a first bracket, the end of the first bracket is connected with a gear, the rack and the gear mesh, the gear A first pole
  • the second bracket and the dust suction pump are further included, and the second pole is disposed in the middle of the first pole, and the dust suction pump is disposed on the right side of the bottom end of the second bracket.
  • a ash hood is further included, and the ash hood is provided with a ash hood.
  • a rubber pad is further included, and the first thumb cylinder and the second thumb cylinder are each provided with a rubber pad.
  • both the first strut and the second strut are Q235 steel.
  • both the first motor and the second motor are servo motors.
  • the swinging rod rotates 360°, a standard circle can be drawn, and the circle or curve is drawn. Turn off the second motor.
  • the first motor is started, the first motor starts to rotate, and the screw is driven to rotate, the screw rod drives the nut to move to the right, and the nut drives the electric push rod to move to the right, thereby driving the fixed rod.
  • the rack drives the gear to rotate, the gear drives the first rod to rotate, and the first rod drives the blackboard to rotate.
  • the blackboard erases the blackboard, erases, closes the first The motor and the electric push rod move upwards, which in turn drives the device back to its original position.
  • a second bracket is arranged in the middle of the pole, and an ash pump is arranged on the right side of the bottom of the second bracket, so the teacher has little chalk when wiping the blackboard with the teaching tool.
  • the teacher's teaching environment and physical and mental health will be greatly improved.
  • the ash pump is equipped with a ash hood, so when the teacher wipes the blackboard with the teaching tool, there is no chalk ash flying to the teacher, the teacher's physical and mental health will be the greatest protection, the teacher Also more willing to teach.
  • the left and right sides of the first thumb cylinder and the second thumb cylinder are respectively provided with rubber pads, so when the teacher draws a circle or a curve, the chalk is not easily broken, and the role of fixing the chalk is better. .
  • the invention achieves the simple, practical and drawing standard of the teacher, can improve the teaching quality, and at the same time enables the teacher to not inhale the chalk ash when erasing the extra text or graphics, and does not affect the health effect of the teacher.
  • Figure 1 is a schematic view showing the first main structure of the present invention.
  • Figure 2 is a schematic view showing the second main structure of the present invention.
  • Figure 3 is a schematic view showing the third main structure of the present invention.
  • the markings in the drawing are: 1-crank, 2-slip sleeve, 3-swing rod, 4-first thumb cylinder, 5-second thumb cylinder, 6-first pole, 7-blackboard eraser, 8-gear ,9-bracket,10-rack,11-slide,12-slider,13-screw,14-first bearing,15-first motor,16-top,17-wall,18- Two bearing housing, 19-nut, 20-electric push rod, 21-fixing rod, 22-fixing plate, 23-second motor, 24-- telescopic rod, 25-second rod, 26-ash pump, 27- Ash hood, 28-rubber pad.
  • a portable mathematics teaching tool device for education comprising a crank 1, a sliding sleeve 2, a swinging rod 3, a first thumb cylinder 4, a second thumb cylinder 5, a first strut 6, and a blackboard Wipe 7, gear 8, first bracket 9, rack 10, slide rail 11, slider 12, screw 13, first bearing housing 14, first motor 15, top plate 16, second bearing block 18, nut 19,
  • the top plate 16 is arranged on the wall, and the bottom of the top plate 16 is provided with a second bearing seat from left to right. 18.
  • the first bearing housing 14 and the first motor 15, the second bearing housing 18 and the first bearing housing 14 are mounted with a screw rod 13.
  • the right end of the screw rod 13 is connected to the first motor 15, and the screw rod 13 is provided with a nut. 19, the screw rod 13 and the nut 19 are engaged, the bottom of the nut 19 is connected with an electric push rod 20, and the lower end of the electric push rod 20 is connected with a fixing rod 21, and the fixing rod 21 is provided with a fixing plate 22 at the bottom left side thereof, and the upper portion of the fixing plate 22 is disposed at the upper rear side.
  • the swinging rod 3, the fixing plate 22 and the swinging rod 3 are hingedly connected, and the second motor 23 is disposed behind the lower portion of the fixing plate 22, and the second motor 23 is provided
  • a rotating shaft a crank 1 is arranged on the rotating shaft, a sliding sleeve 2 is arranged at the right end of the crank 1, a first thumb cylinder 4 is arranged at the rear end of the sliding sleeve 2, the swinging rod 3 passes through the sliding sleeve 2, and the end of the swinging rod 3 is provided with a second
  • the thumb cylinder 5 is provided with a telescopic rod 24 at the front of the middle portion of the top plate 16.
  • the lower end of the telescopic rod 24 is connected with a slide rail 11.
  • the slide rail 11 is provided with a slider 12, and the slider 12 is provided with a rack 10, and the left end of the rack 10 is fixed.
  • the right end of the rod 21 is connected, and the right end of the slide rail 11 is provided
  • the first bracket 9 is connected with a gear 8 at the end of the first bracket 9.
  • the rack 10 and the gear 8 are meshed.
  • the gear 8 is provided with a first strut 6, and a blackboard eraser 7 is disposed behind the lower end of the first strut 6.
  • a second bracket 9 and a dust suction pump 26 are also included. Also included is a second bracket 9 and a dust suction pump 26, a second bracket 9 is disposed in the middle of the first pole 6, and a suction pump 26 is disposed on the right side of the bottom end of the second bracket 9.
  • a rubber pad 28 on which the first thumb cylinder 4 and the second thumb cylinder 5 are each provided with a rubber pad 28.
  • Both the first rod 6 and the second rod 25 are Q235 steel.
  • Both the first motor 15 and the second motor 23 are servo motors.
  • the fixing rod 21 drives the rack 10 to move downward
  • the rack 10 drives the slider 12 to move downward
  • the slider 12 drives the sliding rail 11 to move downward
  • the sliding rail 11 drives the telescopic rod 24 to elongate
  • the fixing rod 21 drives the fixing plate 22 to drive the fixing plate 22
  • the fixing plate 22 moves to the proper position of the blackboard
  • the second motor 23 starts to rotate
  • the crank 1 is rotated, thereby driving the swinging rod 3 to rotate, and the swinging rod 3 swings to draw a curve. If the swing lever 3 is rotated 360°, a standard circle can be drawn, and the second motor 23 is turned off when the circle or curve is drawn.
  • the first motor 15 When the blackboard is full, when the teacher wants to wipe the blackboard, the first motor 15 is started, the first motor 15 starts to rotate, and the screw 13 is rotated, the screw 13 drives the nut 19 to move to the right, and the nut 19 drives the electric push rod 20 to The right movement further drives the fixed rod 21 to the right to drive the rack 10 to the right, the rack 10 drives the gear 8 to rotate, the gear 8 drives the first rod 6 to rotate, and the first rod 6 drives the blackboard wipe 7 to rotate.
  • the blackboard eraser 7 can wipe the blackboard, the erase is completed, the first motor 15 is turned off, and the electric push rod 20 moves upward, thereby driving the device back to the original position.
  • the second bracket 9 and the dust suction pump 26 are further included, the second bracket 9 is disposed in the middle of one pole, and the dust suction pump 26 is disposed on the right end of the second bracket 9, so the teacher wipes the blackboard with the teaching tool. A small amount of chalk dust falls on the teacher, and the teacher's teaching environment and physical and mental health will be greatly improved.
  • the ash collecting pump 26 is provided with a ash hood 27, so when the teacher wipes the blackboard with the teaching tool, there is no chalk ash flying to the teacher, and the teacher's physical and mental health will be the greatest. Protection, teachers are also more willing to teach.
  • the left and right sides of the first thumb cylinder 4 and the second thumb cylinder 5 are respectively provided with rubber pads 28, so when the teacher draws a circle or a curve, the chalk is not easily broken, and it is better. Fix the role of chalk.

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  • Drawing Aids And Blackboards (AREA)

Abstract

一种教育用数学教学用具，包括有曲柄（1）、滑套（2）、摆动杆（3）、第一拇指气缸（4）、第二拇指气缸（5）、第一支杆（6）、黑板擦（7）、齿轮（8）、第一支架（9）、齿条（10）、滑轨（11）、滑块（12）和丝杆（13）等；墙壁上设置有顶板（16），顶板的底部从左至右依次设置有第二轴承座（18）、第一轴承座（14）和第一电机（15）。此教学用具使用简单，可以提升教学质量，同时使教师在擦除多余文字或图形时，不会吸入粉笔灰，不会影响教师健康。

Description

[根据细则37.2由ISA制定的发明名称]　一种教育用数学教学用具 技术领域
本发明涉及一种教育用教学用具，尤其涉及一种教育用便携式数学教学用具。
背景技术
教育就是一种有目的、有组织、有计划、系统地传授知识和技术规范等的社会活动。教育的根本价值，就是给国家提供具有崇高信仰、道德高尚、诚实守法、技艺精湛、博学多才和多专多能的人才，培养和养育经济与社会发展需要的劳动力，培养合格公民，为国、为家、为社会创造科学知识和物质财富，推动经济增长，推动民族兴旺，促进人的发展，推动世界和平和人类发展。教育在社会中起着相当重要作用，而教育又分为家庭教育和学校教育等等，这些教育加在一起对孩子的引导作用相当重要。
教学用具是使学生能直观、形象地理解教学内容所使用的各类器具及教师授课时使用的用具的总称。教具简称。教具可提高学生的学习兴趣，丰富感性认识，帮助形成明确的概念，发展学生的观察能力和思维能力。一般分普通教具、特殊教具和幼儿教具3类。
现有教育存在数学教学用具简陋、教师使用起来费时费力、数学图形画得不标准、从而影响学生学习，导致教学质量下降，同时教师在擦黑板时会吸入大量的粉笔灰、严重影响教师健康的缺点，因此亟需设计一种教师使用简单、实用和画图标准、可以提升教学质量、同时使教师在擦黑板时，不会吸入粉笔灰，不会影响教师健康的教育用便携式数学教学用具。
发明内容
(1)要解决的技术问题
本发明为了克服现在教师使用教学用具起来费时费力、数学图形画不标准、教学质量下降的缺点，本发明要解决的技术问题是提供一种教师使用简单、实用和画图标准、可以提升教学质量教育用便携式数学教学用具。
(2)技术方案
为了解决上述技术问题，本发明提供了这样一种教育用便携式数学教学用具装置，包括有曲柄、滑套、摆动杆、第一拇指气缸、第二拇指气缸、第一支杆、黑板擦、齿轮、第一支架、齿条、滑轨、滑块、丝杆、第一轴承座、第一电机、顶板、第二轴承座、螺母、电动推杆、固定杆、固定板、第二电机、伸缩杆和第二支杆；墙壁上设置有顶板，顶板的底部从左至右依次设置有第二轴承座、第一轴承座和第一电机，第二轴承座和第一轴承座之间安装有丝杆，丝杆右端和第一电机连接，丝杆上设置有螺母，丝杆和螺母配合，螺母底部连接有电动推杆，电动推杆下端连接有固定杆，固定杆底部左侧设置有固定板，固定板上部后方设置有摆动杆，固定板和摆动杆铰接连接，固定板下部后方设置有第二电机，第二电机上设置有转轴，转轴上设置有曲柄，曲柄右端设置有滑套，滑套后端设置有第一拇指气缸，摆动杆穿过滑套，摆动杆末端设置有第二拇指气缸，顶板中部前方设置有伸缩杆，伸缩杆下端连接有滑轨，滑轨上设置有滑块，滑块上设置有齿条，齿条左端和固定杆右端连接，滑轨的右端设置有第一支架，第一支架末端连接有齿轮，齿条和齿轮啮合，齿轮上设置有第一支杆，第一支杆下端后方设置有黑板擦。
优选地，还包括有第二支架和吸灰泵，第一支杆中部设置有第二支架，第二支架的底端右方设置有吸灰泵。
优选地，还包括有吸灰罩，吸灰泵上设置有吸灰罩。
优选地，还包括有橡胶垫，第一拇指气缸和第二拇指气缸上均设置有橡胶垫。
优选地，第一支杆和第二支杆都为Q235钢。
优选地，第一电机和第二电机都为伺服电机。
工作原理：当教师上课教学要画圆或曲线时，启动第一拇指气缸和第二拇指气缸夹住粉笔，与此同时电动推杆向下运动，进而带动固定杆向下运动，固定杆带动齿条向下运动，齿条带动滑块向下运动，滑块带动滑轨向下运动，滑轨带动伸缩杆伸长，固定杆带动固定板向下运动，固定板运动到黑板的适当位置，这时启动第二电机，第二电机开始转动，带动曲柄转动，进而带动摆动杆转动，摆动杆摆动就可以画曲线，若摆动杆转动360°就可以画个标准的圆了，画完圆或曲线时关闭第二电机。当黑板被写满时，教师要擦黑板时，启动第一电机，第一电机开始转动，带动丝杆转动，丝杆带动螺母向右运动，螺母带动电动推杆向右运动，进而带动固定杆向右运动，带动齿条向右运动，齿条带动齿轮转动，齿轮带动第一支杆转动，第一支杆带动黑板擦转动，这时黑板擦就可以擦黑板，擦除完毕，关闭第一电机，电动推杆向上运动，进而带动装置回到原位。
因为还包括有第二支架和吸灰泵，一支杆中部设置有第二支架，第二支架的底端右方设置有吸灰泵，所以教师在用教学工具擦拭黑板时，很少的粉笔灰飞落到教师身上，教师的教学环境、身心健康将得到大的改善。
因为还包括有吸灰罩，吸灰泵上设置有吸灰罩，所以教师在用教学工具擦拭黑板时，就没有粉笔灰飞落到教师身上，教师的身心健康会的到最大的保护，教师也更乐意教学。
因为还包括有橡胶垫，第一拇指气缸和第二拇指气缸内的左右两侧分别设置有橡胶垫，所以教师在画圆或曲线时，粉笔不容易断，也更好的起固定粉笔的作用。
(3)有益效果
本发明达到了教师使用简单、实用和画图标准，可以提升教学质量，同时使教师在擦除多余文字或图形时，不会吸入粉笔灰，不会影响教师健康的效果。
附图说明
图1是本发明的第一种主视结构示意图。
图2是本发明的第二种主视结构示意图。
图3是本发明的第三种主视结构示意图。
附图中的标记为：1-曲柄，2-滑套，3-摆动杆，4-第一拇指气缸，5-第二拇指气缸，6-第一支杆，7-黑板擦，8-齿轮，9-支架，10-齿条，11-滑轨，12-滑块，13-丝杆，14-第一轴承座，15-第一电机，16-顶板，17-墙体，18-第二轴承座，19-螺母，20-电动推杆，21-固定杆，22-固定板，23-第二电机，24-伸缩杆，25-第二支杆，26-吸灰泵，27-吸灰罩，28-橡胶垫。
具体实施方式
下面结合附图和实施例对本发明作进一步的说明。
实施例1
一种教育用便携式数学教学用具装置，如图1-3所示，包括有曲柄1、滑套2、摆动杆3、第一拇指气缸4、第二拇指气缸5、第一支杆6、黑板擦7、齿轮8、第一支架9、齿条10、滑轨11、滑块12、丝杆13、第一轴承座14、第一电机15、顶板16、第二轴承座18、螺母19、电动推杆20、固定杆21、固定板22、第二电机23、伸缩杆24和第二支杆25；墙壁上设置有顶板16，顶板16的底部从左至右依次设置有第二轴承座18、第一轴承座14和第一电机15，第二轴承座18和第一轴承座14之间安装有丝杆13，丝杆13右端和第一电机15连接，丝杆13上设置有螺母19，丝杆13和螺母19配合，螺母19底部连接有电动推杆20，电动推杆20下端连接有固定杆21，固定杆21底部左侧设置有固定板22，固定板22上部后方设置有摆动杆3，固定板22和摆动杆3铰接连接，固定板22下部后方设置有第二电机23，第二电机23上设置有转轴，转轴上设置有曲柄1，曲柄1右端设置有滑套2，滑套2后端设置有第一拇指气缸4，摆动杆3穿过滑套2，摆动杆3末端设置有第二拇指气缸5，顶板16中部前方设置有伸缩杆24，伸缩杆24下端连接有滑轨11，滑轨11上设置有滑块12，滑块12上设置有齿条10，齿条10左端和固定杆21右端连接，滑轨11的右端设置有 第一支架9，第一支架9末端连接有齿轮8，齿条10和齿轮8啮合，齿轮8上设置有第一支杆6，第一支杆6下端后方设置有黑板擦7。
还包括有第二支架9和吸灰泵26，第一支杆6中部设置有第二支架9，第二支架9的底端右方设置有吸灰泵26。
还包括有吸灰罩27，吸灰泵26上设置有吸灰罩27。
还包括有橡胶垫28，第一拇指气缸4和第二拇指气缸5上均设置有橡胶垫28。
第一支杆6和第二支杆25都为Q235钢。
第一电机15和第二电机23都为伺服电机。
工作原理：当教师上课教学要画圆或曲线时，启动第一拇指气缸4和第二拇指气缸5夹住粉笔，与此同时电动推杆20向下运动，进而带动固定杆21向下运动，固定杆21带动齿条10向下运动，齿条10带动滑块12向下运动，滑块12带动滑轨11向下运动，滑轨11带动伸缩杆24伸长，固定杆21带动固定板22向下运动，固定板22运动到黑板的适当位置，这时启动第二电机23，第二电机23开始转动，带动曲柄1转动，进而带动摆动杆3转动，摆动杆3摆动就可以画曲线，若摆动杆3转动360°就可以画个标准的圆了，画完圆或曲线时关闭第二电机23。当黑板被写满时，教师要擦黑板时，启动第一电机15，第一电机15开始转动，带动丝杆13转动，丝杆13带动螺母19向右运动，螺母19带动电动推杆20向右运动，进而带动固定杆21向右运动，带动齿条10向右运动，齿条10带动齿轮8转动，齿轮8带动第一支杆6转动，第一支杆6带动黑板擦7转动，这时黑板擦7就可以擦黑板，擦除完毕，关闭第一电机15，电动推杆20向上运动，进而带动装置回到原位。
因为还包括有第二支架9和吸灰泵26，一支杆中部设置有第二支架9，第二支架9的底端右方设置有吸灰泵26，所以教师在用教学工具擦拭黑板时，很少的粉笔灰飞落到教师身上，教师的教学环境、身心健康将得到大的改善。
因为还包括有吸灰罩27，吸灰泵26上设置有吸灰罩27，所以教师在用教学工具擦拭黑板时，就没有粉笔灰飞落到教师身上，教师的身心健康会的到最大的保护，教师也更乐意教学。
因为还包括有橡胶垫28，第一拇指气缸4和第二拇指气缸5内的左右两侧分别设置有橡胶垫28，所以教师在画圆或曲线时，粉笔不容易断，也更好的起固定粉笔的作用。
以上所述实施例仅表达了本发明的优选实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形、改进及替代，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (6)

  1. 一种教育用便携式数学教学用具装置，其特征在于，包括有曲柄(1)、滑套(2)、摆动杆(3)、第一拇指气缸(4)、第二拇指气缸(5)、第一支杆(6)、黑板擦(7)、齿轮(8)、第一支架(9)、齿条(10)、滑轨(11)、滑块(12)、丝杆(13)、第一轴承座(14)、第一电机(15)、顶板(16)、第二轴承座(18)、螺母(19)、电动推杆(20)、固定杆(21)、固定板(22)、第二电机(23)、伸缩杆(24)和第二支杆(25)；墙壁上设置有顶板(16)，顶板(16)的底部从左至右依次设置有第二轴承座(18)、第一轴承座(14)和第一电机(15)，第二轴承座(18)和第一轴承座(14)之间安装有丝杆(13)，丝杆(13)右端和第一电机(15)连接，丝杆(13)上设置有螺母(19)，丝杆(13)和螺母(19)配合，螺母(19)底部连接有电动推杆(20)，电动推杆(20)下端连接有固定杆(21)，固定杆(21)底部左侧设置有固定板(22)，固定板(22)上部后方设置有摆动杆(3)，固定板(22)和摆动杆(3)铰接连接，固定板(22)下部后方设置有第二电机(23)，第二电机(23)上设置有转轴，转轴上设置有曲柄(1)，曲柄(1)右端设置有滑套(2)，滑套(2)后端设置有第一拇指气缸(4)，摆动杆(3)穿过滑套(2)，摆动杆(3)末端设置有第二拇指气缸(5)，顶板(16)中部前方设置有伸缩杆(24)，伸缩杆(24)下端连接有滑轨(11)，滑轨(11)上设置有滑块(12)，滑块(12)上设置有齿条(10)，齿条(10)左端和固定杆(21)右端连接，滑轨(11)的右端设置有第一支架(9)，第一支架(9)末端连接有齿轮(8)，齿条(10)和齿轮(8)啮合，齿轮(8)上设置有第一支杆(6)，第一支杆(6)下端后方设置有黑板擦(7)。
  2. 根据权利要求1所述的一种教育用便携式数学教学用具装置，其特征在于，还包括有第二支架(9)和吸灰泵(26)，第一支杆(6)中部设置有第二支架(9)，第二支架(9)的底端右方设置有吸灰泵(26)。
  3. 根据权利要求2所述的一种教育用便携式数学教学用具装置，其特征在于，还包括有吸灰罩(27)，吸灰泵(26)上设置有吸灰罩(27)。
  4. 根据权利要求1所述的一种教育用便携式数学教学用具装置，其特征在于，还包括有橡胶垫(28)，第一拇指气缸(4)和第二拇指气缸(5)上均设置有橡胶垫(28)。
  5. 根据权利要求1所述的一种教育用便携式数学教学用具装置，其特征在于，第一支杆(6)和第二支杆(25)都为Q235钢。
  6. 根据权利要求1所述的一种教育用便携式数学教学用具装置，其特征在于，第一电机(15)和第二电机(23)都为伺服电机。
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