The utility model relates to the technical field of teaching equipment, in particular to a multimedia device for teaching, including a cabinet body, the middle end of the top of the cabinet body is fixedly installed with a loudspeaker, the front and rear four corners of the bottom of the cabinet body are fixedly installed with four groups of rollers, the middle part of the lower end of the rear side of the cabinet body is fixedly installed with a driving cylinder, the output end of the lower end of the driving cylinder is fixedly installed with a fixing plate, and the cabinet body Two groups of through holes are arranged at the left and right ends of the top. The utility model provides a multimedia device for teaching, which drives the bevel gear to drive the driven bevel gear which is engaged and connected to rotate, the driven bevel gear drives the screw nut which is fixed and installed with it and the hollow shaft to rotate on the bearing seat, and the rotation of the screw nut drives the screw which is threaded and connected to make the screw and the screw nut rotate The position of the screw connection is moved to make the lead screw move up or down, and the position height of the blackboard and the projection screen is adjusted with the sliding of the extension rod in the sleeve.
【技术实现步骤摘要】
一种教学用多媒体装置
本技术涉及教学设备
,具体涉及一种教学用多媒体装置。
技术介绍
多媒体教学是指在教学过程中,根据教学目标和教学对象的特点,通过教学设计,合理选择和运用现代教学媒体,从而去提高教学质量,给教学效率带来了质的飞跃,另外也可以给教师和学生带来丰富的课堂体验。如中国专利申请号为CN201620019703.3的一种教学用多媒体终端,包括底座、教学框、黑板和黑板条,底座左右两侧设有滚轮,底座上方设有教学框,教学框下端和底座之间设有升降支柱,升降支柱右侧设有升降手柄,教学框和升降支柱之间设有旋转块,教学框框内设有显示屏,教学框下侧设有与显示屏电性连接的控制面板,显示屏外侧的教学框上滑动设有黑板,黑板外侧设有边框,黑板表面设有黑板条,黑板条垂直连接黑板上下边框,黑板条上下两端之间设有滑轮,且黑板上下边框上设有与滑轮相配合的滑槽,黑板条与黑板相接一面设有擦拭棉,黑板条上端设有手柄,手柄两侧的黑板条上端设有连通腔,连通腔外侧设有集尘室,连通腔内设有风机,连通腔连接位于黑板条内的集尘腔,集尘腔外侧设有吸尘隔板 ...
【技术保护点】
1.一种教学用多媒体装置,包括柜体(1),其特征在于:所述柜体(1)顶部的中端固定安装有扩音器(2),所述柜体(1)底部的前后左右四角上固定安装有四组滚轮(3),所述柜体(1)后侧面下端的中部固定安装有驱动气缸(4),所述驱动气缸(4)下端的输出端上固定安装有固定板(5),所述柜体(1)顶部的左右两端开设有两组通孔,且设置在右侧的通孔顶部固定安装有轴承座(6),所述轴承座(6)上端转轴连接有空心轴(7),所述空心轴(7)顶部固定安装有从动锥齿轮(8),所述从动锥齿轮(8)的顶部固定安装有丝杠螺母(9),所述丝杠螺母(9)中螺纹连接有丝杠(10),所述从动锥齿轮(8)左侧啮合 ...
【技术特征摘要】
1.一种教学用多媒体装置,包括柜体(1),其特征在于:所述柜体(1)顶部的中端固定安装有扩音器(2),所述柜体(1)底部的前后左右四角上固定安装有四组滚轮(3),所述柜体(1)后侧面下端的中部固定安装有驱动气缸(4),所述驱动气缸(4)下端的输出端上固定安装有固定板(5),所述柜体(1)顶部的左右两端开设有两组通孔,且设置在右侧的通孔顶部固定安装有轴承座(6),所述轴承座(6)上端转轴连接有空心轴(7),所述空心轴(7)顶部固定安装有从动锥齿轮(8),所述从动锥齿轮(8)的顶部固定安装有丝杠螺母(9),所述丝杠螺母(9)中螺纹连接有丝杠(10),所述从动锥齿轮(8)左侧啮合连接有驱动锥齿轮(11),所述驱动锥齿轮(11)固定安装在电机(12)的输出端上,所述电机(12)的底部固定安装在所述柜体(1)顶部的右端,且所述电机(12)设置在所述轴承座(6)的左侧,所述柜体(1)内部底面的左端固定安装有套筒(13),且所述套筒(13)的上端穿过所述柜体(1)顶部左端开设有的通孔,所述套筒(13)内部滑动连接有伸缩杆(14),所述丝杠(10)和所述伸缩杆(14)的顶部固定安装有连接块(15),两组所述连接块(15)的前端固定安装有黑板(16),所述黑板(16)底部的左右两端固定安装有两组挂钩(17),所述黑板(16)后侧面上端的左右两侧固定安装有两组连接架(18)...
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。