Combined multimedia writing board

A technology for multimedia and writing boards, applied in the field of writing boards, can solve the problems of increasing product cost, reducing the utilization rate of writing boards, increasing the overall weight, etc., and achieving the effects of high utilization rate of board surfaces, moderate size and uniform layout.

Active Publication Date: 2016-05-11
SHIJIAZHUANG KEDA STATIONERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The common feature of above two kinds of products is that they all only comprise two blackboards or writing boards, wherein each board can move left and right or left and right up and down, like this, when the area of ​​each board is very big, there will be inconvenience to use. Even if the writing board is pulled to the lowest end, it is not easy to write on the top of the writing board, so that the utilization rate of the writing board is reduced. In addition, if the writing board adopts an up and down movement mechanism with a counterweight, the overall weight will be increased. potential safety hazards, and in large lecture theaters, in order to meet the viewing needs of the audience in the back row, the writing board is often made very large. On the other hand, the writing board in the prior art generally uses sprockets when moving up and down. Synchronization is achieved by cooperating with the sprocket shaft, which increases the complexity of the structure and also increases the cost of the product

Method used

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  • Combined multimedia writing board
  • Combined multimedia writing board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 , 2 , 3, 4, and 5 show a combined multimedia writing board, which includes a fixed bracket 13 fixed on the wall, and two movable brackets 1 connected with the fixed bracket 13, and also includes a front movable board body 2 and a rear movable plate body 4, a transverse guide groove 3 is respectively arranged at the upper and lower ends of the fixed support 13, and a transverse guide wheel 11 is respectively arranged at the four corners of each movable support 1 back, wherein the two transverse guide wheels 11 on the top are located In the horizontal guide groove 3 on the upper end of the fixed bracket 13, the two horizontal guide wheels 11 below are located in the horizontal guide groove 3 on the lower end of the fixed bracket 13. The horizontal guide wheels 11 can roll left and right in the horizontal guide groove 3, and the horizontal guide groove 3 The cross-section is C-shaped, so that the transverse guide wheel 11 can be encased to prevent the tra...

Embodiment 2

[0032] Such as figure 1 , 2 , shown in 3, 4, 6, a kind of combined multimedia writing board, its structure is identical with embodiment 1, just has a horizontal guide groove 3 respectively at the upper and lower ends of each movable support 1 back, fixed support 13 has and horizontal 8 horizontal guide wheels 11 that are compatible with the guide groove 3, each horizontal guide groove 3 is matched with two horizontal guide wheels 11, the horizontal guide wheels 11 can roll left and right in the horizontal guide groove 3, and each horizontal guide groove 3 is equipped with There are two transverse protruding rails 5 with opposite protruding directions, and the ring surface of the transverse guide wheel 11 is provided with a second groove for matching with the transverse protruding rail 5, and the transverse protruding rail 5 extends into the second groove, Thereby prevent transverse guide wheel 11 from separating with transverse guide groove 3, in addition, board lifting wheel...

Embodiment 3

[0034] Such as figure 2 , 3 , shown in 4,7,8, a kind of combined multimedia writing board, its structure is identical with embodiment 1, just chalk groove 17 and chalk gray box are positioned at fixed support 13, and the upper end of fixed support 13 is provided with a cross section as The lower end of the C-shaped transverse guide groove 3 is provided with a transverse protruding rail 5, and the top of each movable support 1 is provided with two transverse guide wheels 11 matched with the transverse guide groove 3, and the transverse guide wheels 11 are located in the transverse guide groove. 3, the bottom end of each movable support 1 is provided with two transverse guide wheels 11, and the ring surface of the transverse guide wheels 11 is provided with a second groove for matching with the transverse convex rail 5, and the transverse convex rail 5 Extending into the second groove, the transverse guide wheel 11 can move transversely on the transverse lug 5 .

[0035] A mult...

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Abstract

The invention discloses a combined multimedia writing board, and belongs to the technical field of writing boards. The combined multimedia writing board comprises a fixed support and two movable supports, a transverse movement mechanism is arranged among the fixed support and the movable supports, each movable support is connected with a front movable plate and a rear movable plate which are equal in weight, two plate lifting wheels are arranged at the top of each movable support, the front movable plate and the rear movable plate of each movable support are connected through two flexible cables, the two flexible cables of each movable support are arranged on the corresponding two plate lifting wheels respectively, longitudinal synchronous wheels are arranged on the two transverse sides of each front movable plate and the two transverse sides of each rear movable plate respectively, the movable supports are provided with longitudinal guide grooves matched with the longitudinal synchronous wheels, two longitudinal protruding rails opposite in protruding direction are arranged in each longitudinal guide groove, and first grooves matched with the longitudinal protruding rails are formed in the circle faces of the longitudinal synchronous wheels. The combined multimedia writing board is suitable for lecture theaters and other large places, and is reasonable in structure, even in layout, safe, reliable, high in plate face utilization rate and very practical.

Description

technical field [0001] The invention relates to the field of writing tablet technology. Background technique [0002] The multimedia writing board that can move freely is the standard configuration of the vast classrooms, especially the lecture halls. At present, there are two types of mobile multimedia writing boards that are commonly used. One is a multimedia writing board that can only be pushed and pulled left and right, and the other is a A so-called "universal tablet" that can move up and down as well as left and right. [0003] Application number is CN00240699.3 patent of invention " left and right push-pull blackboard " discloses a kind of blackboard that can move left and right, and it comprises the frame that is fixed on the wall and two blackboards that can move left and right on frame. [0004] The invention patent "a universal writing board" with the application number CN201220692013.6 discloses a writing board that can move up and down as well as left and righ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B43L1/00
Inventor 何玉良
Owner SHIJIAZHUANG KEDA STATIONERY
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