CN206907271U

CN206907271U - Teaching of Chinese instruction device

Info

Publication number: CN206907271U
Application number: CN201720573300.8U
Authority: CN
Inventors: 郑英玲; 王大伟; 张鑫龙
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2017-05-23
Filing date: 2017-05-23
Publication date: 2018-01-19
Anticipated expiration: 2027-05-23

Abstract

A kind of teaching of Chinese instruction device, belong to educational aid field, solve the problems, such as exist during teaching of Chinese, it includes transparent and smooth surface a glass marble, and a through hole is provided with glass marble, and the axial line of through hole passes through the centre of sphere of glass marble, a laser pen is inserted with through hole, the diameter of laser pen is less than the diameter of through hole, is fixed between laser pen and glass marble by least two sponge rings being arranged in through hole, sponge ring is only Nian Jie with glass marble；The position that laser pen center of gravity is corresponded in the peripheral surface of laser pen is provided with center of gravity mark, and the position that glass marble center of gravity is corresponded in the through hole of glass marble is also equipped with center of gravity mark；An A-frame is provided with below glass marble, A-frame includes the inclined pillar of three centre ofs sphere to glass marble, by the upper end planar support glass marble of three pillars, foam-rubber cushion is provided with the upper transverse plane of three pillars；The utility model is used to indicate target location.

Description

Teaching of Chinese instruction device

Technical field

The utility model belongs to educational aid field, and in particular to a kind of teaching of Chinese instruction device.

Background technology

Laser designator is that laser pen has small volume, can remote indication the advantages that, turn into conventional Chinese at present Impart knowledge to students marking tools, but during long-term use of laser pen gradually find laser pen the shortcomings that, the eyes for being exactly teacher must Indicated position must be look at always just can guarantee that instruction is accurate, if indicated using traditional teacher's pointer, the front end of teacher's pointer Blackboard is touched, even if teacher look at student and be explained, arm is also easy to feel and control the front end of teacher's pointer not move, i.e., The position of instruction keeps accurate, can also keep indicating positions constant when having been moved even if step；And when using laser pen, if Teacher look at classmate and be explained without look at indicating positions, then arm or any position movement of body all easilys lead to indicate Position changes, and parts of body is easy to produce involuntary action when explaining, when particularly being indicated more at a distance Disadvantages mentioned above is more obvious, even if eyes look at indicating positions, each position of body will also remain stationary as far as possible, and slightly action refers to Show that position will change；This shortcoming can produce harmful effect to teaching, and teacher can not without it look at student and explained Judge that the understanding situation of student, or teacher only indicate that target location is just lowerd laser pen and then seen according to expression in the eyes and expression Student to be explained, if only indicate to be unable to reach good indicating effect when word is more on blackboard, and often Exactly just need to indicate when word is more on blackboard, teacher is typically all in order to see the expression in the eyes of student and expression at present Using indicating that target location just lowers laser pen and then look at the method that student explained, need to refer to again during explanation Show and the situation that the explanation that pauses is produced because finding indicating positions often occurs when former target location or relevant position, it is such Pause easily causes Teaching Ideas to be disturbed.

The content of the invention

The purpose of this utility model is to solve existing above mentioned problem during teaching of Chinese, there is provided a kind of Chinese Teaching instruction device, its technical scheme are as follows：

A kind of teaching of Chinese instruction device, it includes transparent and smooth surface a glass marble, on glass marble Be provided with a through hole, the axial line of through hole passes through the centre of sphere of glass marble, is inserted with a laser pen in through hole, laser pen it is straight Footpath is less than the diameter of through hole, is fixed between laser pen and glass marble by least two sponge rings being arranged in through hole, sea Cotton ring is only Nian Jie with glass marble, convenient freely to plug laser pen；The position of laser pen center of gravity is corresponded in the peripheral surface of laser pen Center of gravity mark is provided with, the position that glass marble center of gravity is corresponded in the through hole of glass marble is also equipped with center of gravity mark, is easy to use When the center of gravity of laser pen overlap with the center of gravity of glass marble or close to overlapping；It is provided with an A-frame below glass marble, three Angle support includes the inclined pillar of three centre ofs sphere to glass marble, and three pillars are fixedly connected by connector, by three pillars Upper end planar support glass marble, be provided with foam rubber cushion on the upper transverse plane of three pillars, friction can be increased, make glass Glass ball can be rotated freely, and this instruction device is placed on dais in positioned at arbitrary angles by and can, and one hand rotates glass marble Laser pen instruction target location is controlled, can also keep indicating positions accurate after unclamping hand.

The beneficial effects of the utility model are：It is simple in construction, can be easy to use with remote indication, when teacher can be long Between indicate target location and to be explained in face of student, be advantageous to raising efficiency of teaching.

Brief description of the drawings：

Fig. 1 is overall structure diagram of the present utility model；

Fig. 2 is Fig. 1 decomposing schematic representation；

Fig. 3 is the schematic cross-sectional view of glass marble.

Embodiment：

Referring to figs. 1 to Fig. 3, a kind of teaching of Chinese instruction device, it includes transparent and smooth surface a glass Ball 1, is provided with a through hole on glass marble 1, and the axial line of through hole passes through the centre of sphere of glass marble 1, one is inserted with through hole Laser pen 2, the diameter of laser pen 2 are less than the diameter of through hole, are arranged between laser pen 2 and glass marble 1 by least two logical Sponge ring 3 in hole is fixed, and sponge ring 3 is only be bonded with glass marble 1, convenient freely to plug laser pen 2；In the week of laser pen 2 The position that the center of gravity of laser pen 2 is corresponded to surface is provided with center of gravity mark 4, and the center of gravity of glass marble 1 is corresponded in the through hole of glass marble 1 Position is also equipped with center of gravity mark 4, and the center of gravity of laser pen 2 is overlapped or approached with the center of gravity of glass marble 1 and overlaps when being easy to use；Glass The lower section of glass ball 1 is provided with an A-frame 5, and A-frame 5 includes the inclined pillar of three centre ofs sphere to glass marble 1, and three Root pillar is fixedly connected by connector, by the upper end planar support glass marble 1 of three pillars, in the upper transverse plane of three pillars On be provided with foam rubber cushion 5-1, friction can be increased, glass marble 1 is freely rotated, and can in positioned at arbitrary angles, This instruction device is placed on dais, one hand rotates the i.e. controllable laser pen 2 of glass marble 1 and indicates target location, after unclamping hand Indicating positions can be kept accurate.

Preferably, an identical finger ring 6, two finger rings 6 and glass are respectively arranged with the opposite sides of glass marble 1 Ball 1 is fixedly connected, convenient to rotate glass marble 1；The center of gravity line of two finger rings 6 by the center of gravity with glass marble 1 and with laser pen 2 Vertically, the overall center of gravity of glass marble 1, laser pen 2 and finger ring 6 is made to be located in the center of gravity of glass marble 1, in sea after the rotation of glass marble 1 Can be in positioned at arbitrary angles under cotton pad 5-1 friction effect, it is ensured that nevertheless indicated that after unclamping hand on target location.

Preferably, a diameter of six to nine centimetres of glass marble 1, are easy to singlehanded rotation.

Claims

A kind of 1. teaching of Chinese instruction device, it is characterised in that it includes transparent and smooth surface a glass marble (1), A through hole is provided with glass marble (1), the axial line of through hole passes through the centre of sphere of glass marble (1), one is inserted with through hole Laser pen (2), the diameter of laser pen (2) are less than the diameter of through hole, pass through at least two between laser pen (2) and glass marble (1) The sponge ring (3) that is arranged in through hole is fixed, and sponge ring (3) is only Nian Jie with glass marble (1)；In the circumferential table of laser pen (2) In face of stress light pen (2) center of gravity position be provided with center of gravity mark (4), correspond in the through hole of glass marble (1) glass marble (1) weigh The position of the heart is also equipped with center of gravity mark (4)；An A-frame (5), A-frame (5) are provided with below glass marble (1) Comprising the inclined pillar of the centre of sphere three to glass marble (1), three pillars are fixedly connected by connector, by the upper of three pillars Transverse plane support glass marble (1), is provided with foam rubber cushion (5-1) on the upper transverse plane of three pillars.
2. a kind of teaching of Chinese instruction device as claimed in claim 1, it is characterised in that in the opposite sides point of glass marble (1) An identical finger ring (6) is not provided with, and two finger rings (6) are fixedly connected with glass marble (1)；The center of gravity of two finger rings (6) connects Line passes through the center of gravity with glass marble (1) and vertical with laser pen (2).
A kind of 3. teaching of Chinese instruction device as claimed in claim 1, it is characterised in that a diameter of the six to nine of glass marble (1) Centimetre.