A kind of writing case
Technical field
The present invention relates to technical field of stationery, particularly a kind of writing case.
Background technology
Writing case is the schooling apparatus of school-ager's indispensability, and children have good singularity and to become reconciled dynamic property, due to existing writing case function singleness, for children both without interesting, can not temper manipulative ability again.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of dismantled and assembled and rotating opening is provided, children's manipulative ability and interesting writing case can be increased.
For achieving the above object, the present invention is by the following technical solutions: a kind of writing case, comprise outer box and inner box, outer box comprises upper plate and lower plate, and one end of upper plate and lower plate all offers square opening, is provided with connecting plate between upper plate and lower plate, the upper and lower two ends of connecting plate are equipped with the square projection be connected with square opening, inner box comprises backing plate and is located at the deckle board of backing plate upper end, and described upper plate and backing plate all offer connecting hole, and connecting hole is flexibly connected by coupling bar.
Wherein, be provided with at least two-layer inner box be connected with coupling bar in described outer box, the upper end of described deckle board is provided with backplate, and backplate offers the square opening be connected with square projection.
Beneficial effect of the present invention is: it comprises outer box and inner box, outer box comprises upper plate and lower plate, one end of upper plate and lower plate all offers square opening, connecting plate is provided with between upper plate and lower plate, the upper and lower two ends of connecting plate are equipped with the square projection be connected with square opening, inner box comprises backing plate and is located at the deckle board of backing plate upper end, described upper plate and backing plate all offer connecting hole, connecting hole is flexibly connected by coupling bar, the present invention by by outer box and inner box by assembled flexible connection, dismantled and assembled like this and rotating opening, can increase children's manipulative ability and interest.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
reference numeral:1---outer box 2---inner box
3---upper plate 4---lower plate
5---square opening 6---connecting plate
7---backing plate 8---deckle board
9---backplate 10---coupling bar.
Detailed description of the invention
With embodiment, the invention will be further described below, is not practical range of the present invention is limited to this.
As shown in Figure 1, a kind of writing case, comprise outer box 1 and inner box 2, outer box 1 comprises upper plate 3 and lower plate 4, one end of upper plate 3 and lower plate 4 all offers square opening 5, connecting plate 6 is provided with between upper plate 3 and lower plate 4, connecting plate about 6 two ends are equipped with the square projection be connected with square opening 5, inner box 2 comprises backing plate 7 and is located at the deckle board 8 of backing plate 7 upper end, described upper plate 3 all offers connecting hole with backing plate 7, connecting hole is flexibly connected by coupling bar 9, the present invention by by outer box 1 and inner box 2 by assembled flexible connection, dismantled and assembled like this and rotating opening, children's manipulative ability and interest can be increased, the present invention is by upper plate 3, lower plate 4, connecting plate 6, backing plate 7, what deckle board 8 and coupling bar 9 can be broken into two with one's hands respectively links together, by step by step be assembled into difform writing case.
In the present embodiment; the at least two-layer inner box 2 be connected with coupling bar 9 is provided with in described outer box 1; the upper end of described deckle board 8 is provided with backplate 10; backplate 10 offers the square opening 5 be connected with square projection; described backplate 10 can be protected deckle board 8 and connecting plate 6, collides connecting plate 6 and damage when preventing it from rotating, and after square opening that backplate 10 offers 5 and square projection be connected; inner box 2 then can be made to fix with outer box 1, will be not rotatable like this.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.