CN201728944U

CN201728944U - Chalk sleeve

Info

Publication number: CN201728944U
Application number: CN2010202087007U
Authority: CN
Inventors: 杨开翼
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-31
Filing date: 2010-05-31
Publication date: 2011-02-02
Anticipated expiration: 2020-05-31

Abstract

The utility model discloses a chalk sleeve which belongs to the field of teaching tools, and relates to a chalk sleeve which can sleeve a chalk and can be combined stably in particular. The utility model aims at providing a chalk sleeve which can avoid chalk tray from polluting a hand and reduce chalk waste. The chalk sleeve includes two U-shaped tube bodies; the structure of the chalk sleeve is characterized in that one sides of the two U-shaped tube bodies are connected by a hinge; and the other sides of the two U-shaped tube bodies are connected by a fastening switch; and the upper parts of the U-shaped tube bodies are provided with soft strip pads corresponding with the U-shaped tube bodies.

Description

Chalk sleeve

Technical field:

The utility model belongs to the teaching aid field, but relates in particular to a kind of suit chalk, in conjunction with firm chalk sleeve.

Background technology:

Chalk is the instrument that widely uses in the daily life, generally is used for book and writes on the blackboard.The teacher often needs to write on blackboard, draw and explain.In a class of 45～50 minutes, will erasable several, following class hour, often, like this everyday staying one deck white chalk dust on hand, year after year, worn down ten hundreds of chalks; Personal hygiene to classroom environment and teacher has all produced harmful effect like this; The teacher that China is millions of, all will do writing on the blackboard with chalk every day, all lives in every day in the chalk dust behind the blackboard wiping, can cause nose, pharynx, throat's discomfort; In addition, when chalk is used to more in short-term, often, cause unnecessary waste owing to hand is taken inconvenient being dropped.

If a kind of product is arranged, both be convenient to the use of chalk, can not produce harmful effect again, and can effectively reduce the waste of chalk classroom environment and teacher's personal hygiene; To be that people are desired see such product.

Summary of the invention:

The utility model purpose be to provide a kind of avoid chalk dust make dirty the teacher hand, reduce the chalk sleeve of chalk waste.

For achieving the above object, the utility model adopts following technical scheme, and the utility model comprises two U-shaped bodys, and its structural feature is that two U-shaped body one sides connect by hinge, and opposite side connects by the buckle switch; Described U-shaped body top is provided with soft pad corresponding to the U-shaped body.

As a kind of preferred version, soft pad described in the utility model is connected by adhesive with the U-shaped body.

The utility model beneficial effect:

The utility model mainly comprises U-shaped body and soft pad; Simple in structure, be easy to promote; Because two U-shaped body one sides of the utility model connect by hinge, opposite side connects by the buckle switch; U-shaped body top is provided with soft pad corresponding to the U-shaped body; Chalk is fixed in the U-shaped body of the present utility model, and the teacher only needs hand-held U-shaped body when using chalk like this, and hand does not contact with chalk, chalk dust teacher's the hand of can not making dirty, and teacher's personal hygiene is guaranteed; When chalk use more in short-term, chalk is fixed in the U-shaped body, chalk is fully used, reduced the waste of chalk.

Description of drawings:

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

Fig. 1 is the utility model structural representation;

Fig. 2 is that the utility model combines schematic diagram with chalk;

Among the figure, 1 is that hinge, 2 is that buckle switch, 3 is that U-shaped body, 4 is that soft pad, 5 is chalk.

The specific embodiment:

As shown in the figure, the utility model comprises that 3, two U-shaped body 3 one sides of two U-shaped bodys connect by hinge 1, and opposite side connects by buckle switch 2; Described U-shaped body 3 tops are provided with soft pad 4 corresponding to U-shaped body 3.

Described soft pad 4 is connected by adhesive with U-shaped body 3.

Described U-shaped body 3 can adopt plastic material to make.

Described soft pad 4 can adopt elastomeric material to make.

Below in conjunction with a description of drawings course of action of the present utility model:

During use, chalk 5 is placed the appropriate location of U-shaped body 3, merges two U-shaped bodys 3, make chalk 5 and soft pad 4 contacts firmly after, close buckle switch 2; When chalk 5 exposes U-shaped body 3 parts and uses up, open buckle switch 2, if chalk 5 part U-shaped body 3 in still has residue, chalk 5 can be moved upwards up to correct position, close buckle switch 2, continue use.

Though more than described the specific embodiment of the present utility model, but the those of skill in the art in the present technique field are to be understood that, these only illustrate, and can make numerous variations or modification to these embodiments, and not deviate from principle of the present utility model and essence.Scope of the present utility model is only limited by appended claims.

Claims

1. chalk sleeve comprises two U-shaped bodys (3), it is characterized in that two U-shaped bodys (3) one sides connect by hinge (1), and opposite side connects by buckle switch (2); Described U-shaped body (3) top is provided with the soft pad (4) corresponding to U-shaped body (3).

2. chalk sleeve according to claim 1 is characterized in that described soft pad (4) is connected by adhesive with U-shaped body (3).