CN201039815Y - Stationery box capable of calculation - Google Patents

Abstract

The utility model relates to a stationary box which can count, comprising a box body. The box body is articulately connected with an upper cover. The internal side of the upper cover is fixed with a slot with an opening arranged at one end. The slot is internally inserted with a white board which is fixed with a handle. The utility model not only can be used as stationary box, but also can be used as a counting paper for counting. The utility model has the advantages of smooth writing, dust free, environment protection, easy wrapping and easy use. The utility model fully utilizes the inner space of the stationary box and replaces the counting paper with white board for counting, so that the student can do calculation at any time with a fitted white board pen as long as carrying the stationary box, thereby decreasing the load of children, saving the paper consumption and being easy for use.

Description

Can calculate writing case

Technical field

The utility model relates to a kind of writing case, relates in particular to a kind of writing case that calculates.

Background technology

At present, in student's doing mathematics calculation topic time, normally perform calculations drilling on the toilet paper, because the increasing the weight of of students learning tasks, volume increases greatly, so need prepare in last class hour much to drill toilet paper, increased the weight of the weight of students school bag, increased children's burden.And, because having, the child who has uses up the custom that homework book just tears it, the rubbish in school's dustbin is the homework book that children tear mostly, has caused the serious waste of paper.

Summary of the invention

The purpose of this utility model provides a kind of can the use as writing case can replace drilling the calculated writing case that toilet paper performs calculations again.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of writing case that calculates comprising box body, is hingedly connected with loam cake on the box body, it is characterized in that: the loam cake inboard is fixed with the slot of an end opening, is plugged with blank in the slot, is fixed with handle on the blank.

The utility model has made full use of the space in the writing case, having replaced drilling toilet paper with the blank of pegging graft in the slot performs calculations, use supporting blank pen just can perform calculations at any time as long as the students band writing case, alleviated children's burden, saved paper, easy to use.Replaceable, the cleaning of blank in the utility model.Blank in the utility model can also be used to write down material particular, and when opening writing case, a glance just can be seen the journal entry on the blank, avoids forgeing.

Description of drawings

Figure is a structural representation of the present utility model.

In the accompanying drawing:

1, box body; 2, loam cake; 3, slot; 4, blank; 5, handle.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is further described:

A kind of writing case that calculates, as shown in the figure, comprise box body 1, be hingedly connected with loam cake 2 on the box body 1, loam cake 2 inboards are fixed with the slot 3 of an end opening, are plugged with blank 4 in the slot 3, by means of matching used blank pen, students can be write calculation on blank, be fixed with handle 5 on the blank 4, the extraction that can make things convenient for blank 4 being set and inserting of handle 5.

Blank is as teaching, staple in the office appliance, with respect to traditional chalk, blackboard have fluent writing, dustless, environmental protection, easily wipe, characteristics easy to use.

The used ink of blank pen belongs to pure dissolubility ink, is environmental-friendly dust-free erasability product, can directly write in whiteboard surface.White board pen ink has good erasability, can both use soft dried cloth, flannelette or sponge wiped clean, and safety is dustless, the content that wiping was easily write.

The utility model in student's writing case, replaces whiteboard applications to drill toilet paper and performs calculations under the prerequisite that satisfies the writing case existing capability, convenient and practical.

Claims (1)

1. one kind can be calculated writing case, comprise: box body (1), be hingedly connected with loam cake (2) on the box body (1), it is characterized in that: loam cake (2) inboard is fixed with the slot (3) of an end opening, be plugged with blank (4) in the slot (3), be fixed with handle (5) on the blank (4).

Images