CN105252930A - Multifunctional chalk sleeve - Google Patents

Abstract

The invention discloses a multifunctional chalk sleeve. A chalk clamp and a laser pen clamp are connected into a whole through a connecting part, so that using is convenient. The laser pen clamp is suitable for various kinds of laser pens, the using range is wide, and operation is convenient. The connecting part comprises a disc, an upper sheathing plate and a lower sheathing plate, and the upper sheathing plate and the lower sheathing plate are connected with the disc. The chalk clamp and the laser pen clamp are connected through the disc, so that the fixation of a round pipe after switching is facilitated. A concave hole is formed in the bottom of an upper sliding groove. An elastic ball head pin corresponding to the concave hole is arranged at the inner side of the upper sheathing plate, so that shaking of a chalk or a telescopic teaching rod during use is prevented after switching, and using of the chalk and the telescopic teaching rod is greatly facilitated. After the chalk, a laser pen and the telescopic teaching rod are integrated onto one tool, it is quite convenient for a teacher to teach in class, the multifunctional chalk sleeve completely accords with the man-machine engineering, operation is easy, the appearance is attractive, and a good application prospect is achieved.

Description

Multi-function chalk casing

Technical field

The present invention relates to teaching aid field, be specifically related to a kind of with scalable teaching pole and can the multi-function chalk casing of clamping laser pen.

Background technology

Chalk, laser pen and teaching pole are three inventions great in history of education, and be also the nowadays three large educational aids commonly used of teacher, almost global teachers can use this three samples instrument.At teacher's school session, when needs allow student viewing projecting apparatus and explain time, teacher often uses laser pen to point out, so that the said content of understanding teacher that students is faster and better; When needs allow student check blackboard content, teacher often uses teaching pole to give directions, so that the content that student finds teacher to say faster; Teacher also can write writing on the blackboard with chalk, so that student records the note on blackboard simultaneously.These three kinds easily instrument allow the more great number of disciples, acquired enough knowledge, the masses of ignorant of eliminating illiteracy.Although this facilitate that student, so just inevitably teacher is caused to need to use this three kinds of instruments incessantly in turn, more loaded down with trivial details tiring.Chalk dust after using chalk in addition also can stick to your hands, and some can be sucked by teacher, is harmful to health.And laser pen and teaching pole can be made also all to be stained with dust, to use both inconveniences also unhygienic.Along with the progress of science and technology, design a kind of multi-function chalk casing and be necessary, it collects chalk dust by subsidiary etui, chalk dust effectively can be prevented everywhere to be scattered so that stick to your hands other article of pollution, or be inhaled into lung.Simultaneously it organically combines with laser pen and teaching pole, facilitates teacher's middle these three kinds of instruments of use at school, can not be in a rush because can not find instrument.It is simple and easy attractive in appearance in addition, is more conducive to teaching.

Summary of the invention

The object of the invention is to overcome deficiency of the prior art, providing a kind of in order to solve problems of the prior art, the invention provides a kind of multi-function chalk casing, both can clamping chalk, avoid direct dust exposure, be conducive to keeping hygienically clean; Again can the laser pen of the different style of clamping, laser nib be circular or rectangle or ellipse all applicable, easy to operate; Also carry scalable teaching pole, be convenient to demonstration, these three functions are integrated in one simultaneously, thus when can reduce class-teaching of teacher, do not stop the trouble converting explanation instrument, be more of value to carrying out smoothly of teaching, this multi-function chalk casing meets human engineering completely, simple to operate, and good looking appearance, be worthy to be popularized.

In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:

Multi-function chalk casing of the present invention, it is characterized in that: comprise chalk clamp and laser pen fixture, described chalk clamp is connected by connecting portion with laser pen fixture, the flexible teaching pole that described chalk clamp comprises the round tube of band claw, screwing of matching with described claw is overlapped and not only fixed chalk position but also used as teaching pole, described claw and flexible teaching pole are located at the two ends of round tube respectively, and described chalk clamp is movably arranged on connecting portion.

Compared with prior art, the invention has the beneficial effects as follows:

Chalk clamp and laser pen fixture are coupled together by connecting portion by a kind of multi-function chalk casing provided by the invention, and make the two become as a whole, easy to use, laser pen fixture is applicable to various types of laser pen and uses, and the scope of application is large, easy to operate; Connecting portion comprises disk and the upper cladding plate that is connected with disk and lower cladding plate, chalk clamp and laser pen fixture couple together by disk, for the ease of switching the fixing of rear round tube, also be provided with shrinkage pool in the bottom of upper hopper chute, the elasticity ball stud corresponding with shrinkage pool is provided with inside upper cladding plate, prevent rocking when switching rear chalk or the use of flexible teaching pole, facilitate the use of chalk and flexible teaching pole greatly.By after in chalk, laser pen and flexible teaching pole unification to an instrument, very convenient for teacher's explanation content of attending class, meet human engineering completely, and simple to operate, good looking appearance, has a good application prospect.

Accompanying drawing explanation

Fig. 1 is the use flow chart of multi-function chalk casing of the present invention.

Detailed description of the invention

Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:

As shown in Figure 1, use multi-function chalk casing, it comprises the following steps:

(1) chalk is put into round tube;

(2) with screw cover and claw chalk is firmly fixed on round tube;

(3) round tube can stretch and become a teaching pole;

(4) laser pen can be used in the other end of chalk sleeve;

(5) box of chalk dust is collected detachably in round tube front end, is convenient to cleaning.

The undeclared part related in the present invention is same as the prior art or adopt prior art to be realized.

Claims (3)

1. a multi-function chalk casing, comprises chalk clamp, laser pen fixture, it is characterized in that: described chalk clamp is connected by connecting portion with laser pen fixture; The box of described collection dust.

2. chalk clamp according to claim 1 and laser pen fixture are by connecting portion, and it is characterized in that: described chalk clamp and laser pen fixture are connected by connecting portion and comprise disk, the both sides of described disk arrange chalk clamp and laser pen fixture respectively.

3. described round tube front end according to claim 1 also has a box collecting dust, it is characterized in that: described round tube front end also has a box collecting dust.