CN210721996U - Adjustable teaching board for English teaching - Google Patents

Adjustable teaching board for English teaching Download PDF

Info

Publication number
CN210721996U
CN210721996U CN201920334265.3U CN201920334265U CN210721996U CN 210721996 U CN210721996 U CN 210721996U CN 201920334265 U CN201920334265 U CN 201920334265U CN 210721996 U CN210721996 U CN 210721996U
Authority
CN
China
Prior art keywords
teaching
adjustable
board
fixing frame
english
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920334265.3U
Other languages
Chinese (zh)
Inventor
于华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanshan University
Original Assignee
Yanshan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yanshan University filed Critical Yanshan University
Priority to CN201920334265.3U priority Critical patent/CN210721996U/en
Application granted granted Critical
Publication of CN210721996U publication Critical patent/CN210721996U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

本实用新型公开了可调式英语教学用教学板,包括上固定架和移动底座,所述上固定架的底部通过支撑柱与下固定架连接。本实用新型中,在进行英语教学工作时,通过控制面板启动电动伸缩杆,通过电动伸缩的伸缩调节,可以根据不同教学者的使用高度对教学板进行升降调节,从而更好的适用于每位身高不同的教学者使用,并且在上固定架与下固定架之间,关于固定教学板的中轴线对称设置有两块可调式教学板,通过控制面板启动伺服电机,伺服电机带动锥形齿轮组与固定杆的转动,从而实现可调式教学板多角度的调节,使其教学板上的英语教学知识展示面更加广泛,避免了学生过多或光线问题而造成教学盲区,大大提高了英语教学的质量和效率。

Figure 201920334265

The utility model discloses an adjustable teaching board for English teaching, which comprises an upper fixing frame and a movable base. The bottom of the upper fixing frame is connected with the lower fixing frame through a support column. In the utility model, during the English teaching work, the electric telescopic rod is activated through the control panel, and through the telescopic adjustment of the electric telescopic, the teaching board can be adjusted up and down according to the use height of different teachers, so as to be more suitable for each person. It is used by teachers of different heights, and between the upper fixing frame and the lower fixing frame, two adjustable teaching boards are symmetrically arranged about the central axis of the fixed teaching board. The servo motor is activated through the control panel, and the servo motor drives the bevel gear set. It rotates with the fixed rod to realize the multi-angle adjustment of the adjustable teaching board, so that the English teaching knowledge display surface on the teaching board is more extensive, avoiding the teaching blind area caused by too many students or light problems, and greatly improving the English teaching. quality and efficiency.

Figure 201920334265

Description

可调式英语教学用教学板Adjustable teaching board for English teaching

技术领域technical field

本实用新型涉及教学用具技术领域,尤其涉及可调式英语教学用教学板。The utility model relates to the technical field of teaching appliances, in particular to an adjustable teaching board for English teaching.

背景技术Background technique

教学板,即从事教育行业书写演示所使用的器具,通常教学板是放置在教室中或会议室中的板面,用粉笔或者水性笔书写内容,起到讲解演示的作用。The teaching board is a device used for writing and presentation in the education industry. Usually, the teaching board is a board that is placed in the classroom or conference room, and the content is written with chalk or water-based pen, which plays the role of explaining the presentation.

目前英语教学使用的教学板,在教学使用的过程中,教学板不能根据教学使用者的使用需求进行高度调节,不利于教学工作的进行,同时功能过于单一,且教学板的角度也无法根据学习人数或光线问题进行调节,容易造成教学板盲区的出现,降低教学质量,同时教学使用的辅助用具也容易因放置凌乱发生丢失。The teaching board currently used in English teaching, in the process of teaching and use, the teaching board cannot be adjusted in height according to the needs of teaching users, which is not conducive to the teaching work. Adjusting the number of people or light problems is easy to cause blind spots on the teaching board and reduce the quality of teaching. At the same time, the auxiliary equipment used in teaching is also easy to be lost due to messy placement.

实用新型内容Utility model content

本实用新型的目的是为了解决现有技术中存在的缺点,而提出的可调式英语教学用教学板。The purpose of the utility model is to propose an adjustable teaching board for English teaching in order to solve the shortcomings existing in the prior art.

为了实现上述目的,本实用新型采用了如下技术方案:可调式英语教学用教学板,包括上固定架和移动底座,所述上固定架的底部通过支撑柱与下固定架连接,且上固定架与下固定架之间关于上固定架和下固定架的中轴线对称设置有两块可调式教学板,所述上固定架的内部安装有伺服电机,且伺服电机的输出端固定连接有锥形齿轮组,所述锥形齿轮组的底部贯穿可调式教学板的内部安装有固定杆。In order to achieve the above purpose, the utility model adopts the following technical scheme: an adjustable teaching board for English teaching, including an upper fixing frame and a movable base, the bottom of the upper fixing frame is connected with the lower fixing frame through a support column, and the upper fixing frame is connected with the lower fixing frame. Two adjustable teaching boards are arranged symmetrically with the lower fixing frame about the central axis of the upper fixing frame and the lower fixing frame. A servo motor is installed inside the upper fixing frame, and the output end of the servo motor is fixedly connected with a cone. A gear set, a fixed rod is installed through the bottom of the bevel gear set through the interior of the adjustable teaching board.

优选的,所述下固定架的一侧表面开设有滑轨,且滑轨的内部插接有英语字母拼接板,所述下固定架底部中间位置处安装有抽拉式教具放置盒。Preferably, a sliding rail is provided on one side surface of the lower fixing frame, and an English letter splicing board is inserted into the interior of the sliding rail, and a pull-out teaching aid placing box is installed at the middle position of the bottom of the lower fixing frame.

优选的,所述下固定架的底部与移动底座的顶部之间安装有两个电动伸缩杆,且两个电动伸缩杆大小相同,并且两个电动伸缩杆关于移动底座的中轴线对称。Preferably, two electric telescopic rods are installed between the bottom of the lower fixing frame and the top of the mobile base, and the two electric telescopic rods are of the same size, and the two electric telescopic rods are symmetrical about the central axis of the mobile base.

优选的,所述支撑柱共设置有两个,且两支撑柱之间嵌设有固定教学板,所述固定杆的底端安装有转轴,且转轴共设置有多个,并且多个转轴关于固定教学板的中轴线对称。Preferably, there are two supporting columns in total, and a fixed teaching board is embedded between the two supporting columns, a rotating shaft is installed at the bottom end of the fixed rod, and a plurality of rotating shafts are arranged in total, and the plurality of rotating shafts are about The central axis of the fixed teaching board is symmetrical.

优选的,所述移动底座的内部安装有蓄电池,所述移动底座的底部安装有多个移动万向轮,且多个移动万向轮等距分布在移动底座底部的四个拐角处。Preferably, a battery is installed inside the mobile base, a plurality of mobile universal wheels are installed on the bottom of the mobile base, and the plurality of mobile universal wheels are equidistantly distributed at four corners of the bottom of the mobile base.

优选的,所述电动伸缩杆的一侧位于移动底座的顶部表面安装有控制面板,且控制面板的输出端与伺服电机、电动伸缩杆的输入端电性连接。Preferably, a control panel is installed on one side of the electric telescopic rod on the top surface of the mobile base, and the output end of the control panel is electrically connected with the servo motor and the input end of the electric telescopic rod.

综上所述,由于采用了上述技术方案,本实用新型的有益效果是;To sum up, due to the adoption of the above technical solutions, the beneficial effects of the present utility model are:

1、本实用新型中,在进行英语教学工作时,通过控制面板启动电动伸缩杆,通过电动伸缩的伸缩调节,可以根据不同教学者的使用高度对教学板进行升降调节,从而更好的适用于每位身高不同的教学者使用,并且在上固定架与下固定架之间,关于固定教学板的中轴线对称设置有两块可调式教学板,通过控制面板启动伺服电机,伺服电机带动锥形齿轮组与固定杆的转动,从而实现可调式教学板多角度的调节,使其教学板上的英语教学知识展示面更加广泛,避免了学生过多或光线问题而造成教学盲区,大大提高了英语教学的质量和效率。1. In this utility model, during English teaching work, the electric telescopic rod is activated through the control panel, and through the telescopic adjustment of the electric telescopic, the teaching board can be adjusted up and down according to the height of use by different teachers, so as to be more suitable for Each teacher with different heights can use it, and between the upper fixing frame and the lower fixing frame, two adjustable teaching boards are symmetrically arranged about the central axis of the fixed teaching board. The servo motor is activated through the control panel, and the servo motor drives the cone. The rotation of the gear set and the fixed rod realizes the multi-angle adjustment of the adjustable teaching board, which makes the English teaching knowledge display surface on the teaching board more extensive, avoids the teaching blind area caused by too many students or light problems, and greatly improves the English teaching ability. The quality and efficiency of teaching.

2、本实用新型中,在下固定架的一侧开设有滑轨,且滑轨的内部插接有英语字母拼接板,通过英语字母拼接板,可以对英语学习中的英语字母和英语卡片进行高效的拼接展示,并且还可以让学生自己动手对字母图片进行有序排列组合,大大的提高学生学习的积极性,并且在下固定架的底部中间位置处设置了抽拉式教具放置盒,通过抽拉式教具放置盒可以对教学使用的辅助工具进行收集存储,不但增加了装置的功能性和实用性,同时也避免因教具放置凌乱造成丢失的情况发生。2. In the present utility model, a slide rail is provided on one side of the lower fixing frame, and an English alphabet splicing board is inserted into the interior of the slide rail. It also allows students to arrange and combine letters and pictures in an orderly manner by themselves, which greatly improves the enthusiasm of students for learning, and a pull-out teaching aid placement box is set at the middle of the bottom of the lower fixing frame. The teaching aid placement box can collect and store auxiliary tools used in teaching, which not only increases the functionality and practicability of the device, but also avoids the loss of teaching aids caused by messy placement.

附图说明Description of drawings

图1为本实用新型提出的可调式英语教学用教学板的结构示意图;Fig. 1 is the structural representation of the adjustable teaching board for English teaching proposed by the utility model;

图2为本实用新型提出的可调式英语教学用教学板可调式教学板结构示意图;Fig. 2 is the structural schematic diagram of the adjustable teaching board for the adjustable teaching board for English teaching proposed by the utility model;

图3为本实用新型提出的可调式英语教学用教学板A放大图;3 is an enlarged view of the adjustable teaching board A for English teaching proposed by the utility model;

图4为本实用新型提出的可调式英语教学用教学板滑轨结构示意图。FIG. 4 is a schematic structural diagram of a sliding rail of an adjustable teaching board for English teaching proposed by the utility model.

图例说明:illustration:

1、上固定架;2、下固定架;3、滑轨;4、电动伸缩杆;5、移动底座;6、移动万向轮;7、固定教学板;8、可调式教学板;9、英语字母拼接板;10、抽拉式教具放置盒;11、固定杆;12、转轴;13、伺服电机;14、锥形齿轮组。1. Upper fixing frame; 2. Lower fixing frame; 3. Slide rail; 4. Electric telescopic rod; 5. Mobile base; 6. Mobile universal wheel; 7. Fixed teaching board; 8. Adjustable teaching board; 9. English alphabet splicing board; 10. Pull-out teaching aid placement box; 11. Fixed rod; 12. Rotary shaft; 13. Servo motor; 14. Bevel gear set.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

在本实用新型的描述中,需要说明的是,术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制;术语“第一”、“第二”、“第三”仅用于描述目的,而不能理解为指示或暗示相对重要性;此外,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本实用新型中的具体含义。In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes and should not be construed as indicating or implying relative importance; in addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

请参照图1-3,可调式英语教学用教学板,包括上固定架1和移动底座5,上固定架1的底部通过支撑柱与下固定架2连接,且上固定架1与下固定架2 之间关于上固定架1和下固定架2的中轴线对称设置有两块可调式教学板8,上固定架1的内部安装有伺服电机13,且伺服电机13的输出端固定连接有锥形齿轮组14,锥形齿轮组14的底部贯穿可调式教学板8的内部安装有固定杆11。Please refer to Figure 1-3, an adjustable teaching board for English teaching, including an upper fixing frame 1 and a movable base 5, the bottom of the upper fixing frame 1 is connected with the lower fixing frame 2 through a support column, and the upper fixing frame 1 and the lower fixing frame 2, two adjustable teaching boards 8 are symmetrically arranged about the central axis of the upper fixing frame 1 and the lower fixing frame 2, a servo motor 13 is installed inside the upper fixing frame 1, and the output end of the servo motor 13 is fixedly connected with a cone. The bottom of the bevel gear set 14 penetrates through the interior of the adjustable teaching board 8 and is provided with a fixed rod 11 .

下固定架2的一侧表面开设有滑轨3,且滑轨3的内部插接有英语字母拼接板9,下固定架2底部中间位置处安装有抽拉式教具放置盒10,下固定架2的底部与移动底座5的顶部之间安装有两个电动伸缩杆4,且两个电动伸缩杆4大小相同,并且两个电动伸缩杆4关于移动底座5的中轴线对称,支撑柱共设置有两个,且两支撑柱之间嵌设有固定教学板7,固定杆11的底端安装有转轴12,且转轴12共设置有多个,并且多个转轴12关于固定教学板7的中轴线对称,移动底座5的内部安装有蓄电池,移动底座5的底部安装有多个移动万向轮6,且多个移动万向轮6等距分布在移动底座5底部的四个拐角处,电动伸缩杆4 的一侧位于移动底座5的顶部表面安装有控制面板,且控制面板的输出端与伺服电机13、电动伸缩杆4的输入端电性连接。One side surface of the lower fixing frame 2 is provided with a sliding rail 3, and an English letter splicing board 9 is inserted into the interior of the sliding rail 3, and a pull-out teaching aid placing box 10 is installed at the middle position of the bottom of the lower fixing frame 2, and the lower fixing frame is Two electric telescopic rods 4 are installed between the bottom of 2 and the top of the mobile base 5, and the two electric telescopic rods 4 are of the same size, and the two electric telescopic rods 4 are symmetrical about the central axis of the mobile base 5, and the support columns are arranged in total There are two, and the fixed teaching board 7 is embedded between the two support columns, the bottom end of the fixed rod 11 is installed with a rotating shaft 12, and a plurality of rotating shafts 12 are arranged in total, and the plurality of rotating shafts 12 are about the middle of the fixed teaching board 7. The axis is symmetrical, a battery is installed inside the mobile base 5, and a plurality of mobile universal wheels 6 are installed at the bottom of the mobile base 5, and the plurality of mobile universal wheels 6 are equally spaced at the four corners of the bottom of the mobile base 5. A control panel is installed on one side of the telescopic rod 4 on the top surface of the mobile base 5 , and the output end of the control panel is electrically connected with the servo motor 13 and the input end of the electric telescopic rod 4 .

工作原理:使用时,先将该装置通过移动底座5底部的移动万向轮6,移动到英语教学使用的工作区域,然后在进行英语教学工作时,通过控制面板启动电动伸缩杆4,通过电动伸缩4的伸缩调节,可以根据不同教学者的使用高度对教学板进行升降调节,从而更好的适用于每位身高不同的教学者使用,并且在上固定架1与下固定架2之间,关于固定教学板7的中轴线对称设置有两块可调式教学板8,通过控制面板启动伺服电机13,伺服电机13带动锥形齿轮组14 与固定杆11的转动,从而实现可调式教学板8多角度的调节,使其教学板上的英语教学知识展示面更加广泛,避免了学生过多或光线问题而造成教学盲区,大大提高了英语教学的质量和效率,并且在下固定架2的一侧开设有滑轨3,且滑轨3的内部插接有英语字母拼接板9,通过英语字母拼接板9,可以对英语学习中的英语字母和英语卡片进行高效的拼接展示,并且还可以让学生自己动手对字母图片进行有序排列组合,大大的提高学生学习的积极性,并且在下固定架2的底部中间位置处设置了抽拉式教具放置盒10,通过抽拉式教具放置盒10 可以对教学使用的辅助工具进行收集存储,不但增加了装置的功能性和实用性,同时也避免因教具放置凌乱造成丢失的情况发生。Working principle: When using, first move the device to the working area used for English teaching through the moving universal wheel 6 at the bottom of the mobile base 5, and then start the electric telescopic rod 4 through the control panel during the English teaching work. The telescopic adjustment of telescopic 4 can adjust the teaching board up and down according to the use height of different teachers, so it is better suitable for each teacher with different heights, and between the upper fixing frame 1 and the lower fixing frame 2, About the central axis of the fixed teaching board 7, two adjustable teaching boards 8 are symmetrically arranged. The servo motor 13 is activated through the control panel, and the servo motor 13 drives the rotation of the bevel gear set 14 and the fixed rod 11, thereby realizing the adjustable teaching board 8. The multi-angle adjustment makes the display of English teaching knowledge on the teaching board more extensive, avoids teaching blind spots caused by too many students or light problems, and greatly improves the quality and efficiency of English teaching. There is a slide rail 3, and the inside of the slide rail 3 is plugged with an English alphabet splicing board 9. Through the English alphabet splicing board 9, the English alphabet and English cards in English learning can be efficiently spliced and displayed, and it can also be used by students. The orderly arrangement and combination of letters and pictures by yourself can greatly improve the enthusiasm of students for learning, and a pull-out teaching aid placement box 10 is set at the bottom middle position of the lower fixing frame 2. Collecting and storing the used auxiliary tools not only increases the functionality and practicability of the device, but also avoids the loss of teaching aids caused by messy placement.

以上所述,仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. Teaching board is used in english teaching with adjustable, including upper bracket (1) and removal base (5), its characterized in that, the bottom of upper bracket (1) is passed through the support column and is connected with lower fixed frame (2), and is provided with two adjustable teaching boards (8) about the axis symmetry of upper bracket (1) and lower fixed frame (2) between upper bracket (1) and lower fixed frame (2), the internally mounted of upper bracket (1) has servo motor (13), and the output fixedly connected with conical gear group (14) of servo motor (13), the internally mounted that the bottom of conical gear group (14) runs through adjustable teaching board (8) has dead lever (11).
2. The adjustable teaching board for English teaching according to claim 1, wherein a slide rail (3) is disposed on one side surface of the lower fixing frame (2), an English letter splicing board (9) is inserted into the slide rail (3), and a drawing teaching aid placing box (10) is installed at a middle position of the bottom of the lower fixing frame (2).
3. The adjustable teaching board for English teaching according to claim 1, wherein two electric telescopic rods (4) are installed between the bottom of the lower fixing frame (2) and the top of the movable base (5), the two electric telescopic rods (4) are the same in size, and the two electric telescopic rods (4) are symmetrical about the central axis of the movable base (5).
4. The adjustable teaching board for english teaching of claim 1, wherein there are two supporting columns, and the fixed teaching board (7) is embedded between two supporting columns, the bottom end of the fixed rod (11) is installed with a plurality of rotating shafts (12), and the plurality of rotating shafts (12) are symmetrical with respect to the central axis of the fixed teaching board (7).
5. The adjustable teaching board for English teaching according to claim 1, wherein the mobile base (5) has a battery mounted inside, the bottom of the mobile base (5) has a plurality of mobile universal wheels (6), and the mobile universal wheels (6) are equidistantly distributed at four corners of the bottom of the mobile base (5).
6. The adjustable teaching board for English teaching of claim 3, wherein a control panel is installed on one side of the electric telescopic rod (4) on the top surface of the movable base (5), and the output end of the control panel is electrically connected to the servo motor (13) and the input end of the electric telescopic rod (4).
CN201920334265.3U 2019-03-15 2019-03-15 Adjustable teaching board for English teaching Expired - Fee Related CN210721996U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920334265.3U CN210721996U (en) 2019-03-15 2019-03-15 Adjustable teaching board for English teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920334265.3U CN210721996U (en) 2019-03-15 2019-03-15 Adjustable teaching board for English teaching

Publications (1)

Publication Number Publication Date
CN210721996U true CN210721996U (en) 2020-06-09

Family

ID=70931227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920334265.3U Expired - Fee Related CN210721996U (en) 2019-03-15 2019-03-15 Adjustable teaching board for English teaching

Country Status (1)

Country Link
CN (1) CN210721996U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114743456A (en) * 2022-05-24 2022-07-12 燕山大学 A sand table simulation display device that is easy to store

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114743456A (en) * 2022-05-24 2022-07-12 燕山大学 A sand table simulation display device that is easy to store
CN114743456B (en) * 2022-05-24 2023-06-27 燕山大学 Sand table simulation display device convenient to accomodate

Similar Documents

Publication Publication Date Title
CN208498061U (en) A kind of adjustable display device for education
CN211787690U (en) An ideological and political education display board for teaching
CN209746822U (en) Multifunctional demonstration device for primary school Chinese teaching
CN210721996U (en) Adjustable teaching board for English teaching
CN209216358U (en) A kind of history teaching aid
CN203828365U (en) Easel for design major teaching
CN210955541U (en) English specialty display device for linguistics course
CN206601838U (en) A kind of moral teaching Multifunctional demonstrator
CN205997566U (en) A kind of convenient regulation and the English teaching auxiliary device of wide adaptability
CN210446109U (en) Mathematics teaching aid
CN204432115U (en) A kind of Multifunctional mathematics teaching showing stand
CN209401193U (en) A kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted
CN204432118U (en) A kind of high number teaching Multipurpose display shelf
CN111955909A (en) Multimedia teaching device that chinese teaching used
CN207909378U (en) A kind of English study auxiliary tool
CN205751281U (en) A kind of folding English teaching auxiliary device
CN204189317U (en) Multifunctional English teaching Graphic Panel
CN220571831U (en) Teaching display device
CN203588512U (en) English teaching demonstration board device
CN203659228U (en) Outdoor English teaching machine
CN211124568U (en) An auxiliary demonstration device for English teaching
CN210721957U (en) Teaching aid is used in teaching of many show forms of height-adjustable
CN203300062U (en) A mobile teaching rack
CN209804073U (en) Business english teaching vocabulary display device
CN209433693U (en) A kind of mechanical teaching aid for facilitating student to demonstrate

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200609

Termination date: 20210315