CN201940021U

CN201940021U - Domino teaching aid allowed to be played on stairs

Info

Publication number: CN201940021U
Application number: CN201020505345XU
Authority: CN
Inventors: 翁龙杰; 黄曾新
Original assignee: SHANGHAI SHIXI JUNIOR HIGH SCHOOL
Current assignee: SHANGHAI SHIXI JUNIOR HIGH SCHOOL
Priority date: 2010-08-26
Filing date: 2010-08-26
Publication date: 2011-08-24
Anticipated expiration: 2020-08-26

Abstract

The utility model provides a domino teaching aid allowed to be played on stairs. The domino teaching aid comprises first dominoes, second dominoes and third dominoes, wherein the side end face of each first domino is attached to the end face of a second domino, the first dominoes are arranged on stairs, and a plurality of third dominoes are arranged on the platform of the stairs. The domino teaching aid allowed to be played on stairs provided in the utility model makes dominoes more interesting.

Description

But a kind of dominoes instructional device of cat ladder

Technical field

The utility model relates to a kind of instructional device of dominoes, relates in particular to a kind of instructional device that can be used in the dominoes of cat ladder.

Background technology

Dominoes is made up of a plurality of rectangle dominoes, follows one for one and is arranged in different shape, pushes over adjacent one with a body of one who has dropped dead by the roadside, and causes the body of one who has dropped dead by the roadside of all dominoes at last.But this dominoes often is to be arranged to various flat shape because its material is identical, shape is identical and characteristics such as function singleness, does not have other special playing methods, has caused interesting reduction.

The utility model content

But the purpose of the dominoes instructional device of a kind of cat ladder of the utility model has been to provide a kind of dominoes that can cat ladder, has increased the interest of the new playing method of dominoes effectively.

To achieve these goals, the technical scheme taked of the utility model is:

But a kind of dominoes instructional device of cat ladder comprises first dominoes, second dominoes and the 3rd dominoes, and wherein, the end face of the side end face of described first dominoes and second dominoes is fitted; First dominoes is arranged on the step of stair, and polylith the 3rd dominoes is arranged on the platform of stair.

Further, the size of described first dominoes, second dominoes and the 3rd dominoes is elected 20*20*20,20*20*40,20*40*40,20*20*80,20*20*160,20*40*80 or 20*40*160 as.

Further, described first dominoes, second dominoes and the 3rd dominoes are plexiglass block.

Further, described first dominoes adopts screw to be connected with two binding faces of second dominoes.

Further, described first dominoes adopts magnetic to be connected with two binding faces of second dominoes.

The utility model is owing to adopted above-mentioned technology, and the good effect that makes it to have is:

(1) provides a kind of dominoes that can cat ladder, increased the interest of the new playing method of dominoes effectively.

Description of drawings

Fig. 1 is the schematic diagram after first dominoes and second dominoes are fitted in the utility model;

But Fig. 2 is the dominoes instructional device of a kind of cat ladder of the present utility model uses preceding schematic diagram;

The schematic diagram that but Fig. 3 is the dominoes instructional device of a kind of cat ladder of the present utility model after using.

The specific embodiment

But provide the specific embodiment of the dominoes instructional device of a kind of cat ladder of the utility model below in conjunction with accompanying drawing.

Fig. 1 is the schematic diagram after first dominoes and second dominoes are fitted in the utility model, but Fig. 2 is the dominoes instructional device of a kind of cat ladder of the present utility model uses preceding schematic diagram, the schematic diagram that but Fig. 3 is the dominoes instructional device of a kind of cat ladder of the present utility model after using, see also shown in Figure 1, but a kind of dominoes instructional device of cat ladder, comprise first dominoes 1, second dominoes 2 and the 3rd dominoes 3, first dominoes 1, the size of second dominoes 2 and the 3rd dominoes 3 is chosen as 20*20*20,20*20*40,20*40*40,20*20*80,20*20*160,20*40*80 or 20*40*160 are to satisfy the variation of different stairway step sizes.The material of dominoes is set to plexiglass block, make to observe this operational effect better by the light transmission of glass in use, and glass has constant weight, is beneficial to operation.The end face of the side end face of first dominoes 1 and second dominoes 2 is fitted, and two applying end faces are respectively arranged with screw thread, make its connection by stud; Two applying end faces also can be provided with a groove respectively, and groove is used to place magnet, make both ends of the surface fit by magnetic force.

Further, see also Fig. 2 and shown in Figure 3, the upper end of on the step of every joint stair, placing one first dominoes, 1, the first dominoes 1 one second dominoes 2 of fitting, order is arranged polylith the 3rd dominoes 3 on the platform of stair upper end.

But the dominoes instructional device of a kind of cat ladder of the utility model, during use, promote stair first dominoes 1 of step bottom, second dominoes 2 that connects promotes another first dominoes 1 on the step forward, promote successively thus, promote the 3rd dominoes 3 on the platforms until second dominoes 2 of uppermost steps, promote by the 3rd dominoes 3 that other are a plurality of.

In sum, but use the dominoes instructional device of a kind of cat ladder of the utility model, a kind of dominoes that can cat ladder is provided, increased the interest of the new playing method of dominoes effectively.

Claims

1. but the dominoes instructional device of a cat ladder, comprise first dominoes, second dominoes and the 3rd dominoes, it is characterized in that, the end face of the side end face of described first dominoes and second dominoes is fitted, first dominoes is arranged on the step of stair, and polylith the 3rd dominoes is arranged on the platform of stair.

2. according to the experimental technique of the described dominoes of claim 1, it is characterized in that: described first dominoes, second dominoes and the 3rd dominoes are plexiglass block.

3. according to the experimental technique of the described dominoes of claim 1, it is characterized in that: described first dominoes adopts screw to be connected with two binding faces of second dominoes.

4. according to the experimental technique of the described dominoes of claim 1, it is characterized in that: described first dominoes adopts magnetic to be connected with two binding faces of second dominoes.