CN201616197U

CN201616197U - English letter format combination demonstrating teaching aid

Info

Publication number: CN201616197U
Application number: CN2009202908839U
Authority: CN
Inventors: 赵芸; 吕凤华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-30
Filing date: 2009-12-30
Publication date: 2010-10-27
Anticipated expiration: 2019-12-30

Abstract

The utility model discloses an English letter format combination demonstrating teaching aid which comprises a rectangular frame (1) and is characterized in that an upper roll (2) and a lower roll (2') are arranged on the inner sides of a left frame and a right frame of the rectangular frame (1); a gear (4) and a gear (,4') are respectively fixed on right end shafts of the upper roll (2) and the lower roll (2'); a chain (5) is wound around the gear (4) and the gear (4'); a non-woven fabric (3) is wound around the upper roll (2) and the lower roll (2'); letter paper (6), a letter category label (8) and a letter format label (9) are bonded to the surface of the non-woven fabric (3); and an initial position marking line (7) is marked on the letter paper (6). The teaching aid integrates all letter formats on a demonstration roll, so that a teacher can talk about letter formats and can shift the letter paper at the same time. The teaching aid has the advantages of simple structure, convenient operation, less investment of equipment, visual and vivid teaching, and easy understanding for students, can improve the actual effect of voice teaching, and can be widely applied to English letter format teaching.

Description

English letter format combination demonstration teaching aid

Technical field

The utility model relates to a kind of improvement of English letter teaching aid, specifically a kind of English letter format combination demonstration teaching aid.

Background technology

Deep development along with China market economy and reform and opening-up, mail between the world exchanges more and more, and English letter call format is relatively stricter, and different objects needs different forms again, as: in privathrief, its content comprises date, address, text, ending, signature five parts in order; In the commercial correspondence, its content comprises sender's address, date, receiver's address, address, text, ending, signature, title, annex nine parts in order; And on arrangement mode, be divided into device of shifting block type, half device of shifting block type and indented style again.Religion is got up very bothersome, and also bad memory influences teaching efficiency, and therefore, the teaching of English letter form also is the content of courses important in the English class.At present, the teaching to teacher in teaching requires very high: the one, and requirement can not increase class hour, the unified teaching hours in the whole nation; The 2nd, improve teaching quality.Under the new situation this, teacher will reach the best effect of giving lessons in the regular hour, must adopt a kind of new teaching pattern.Undoubtedly, adopt English letter form teaching demonstration, can improve the quality of teaching and efficient.

Summary of the invention

The purpose of this utility model be to provide a kind of simple in structure, easy to operate, equipment investment is little, thereby and directly perceived, image, three-dimensional demonstration, be easy to the student and grasp and motivate students' interest in learning and improve the English letter format combination demonstration teaching aid of English letter teaching actual effect.

For reaching above purpose, the technical scheme that the utility model adopted is: this English letter format combination demonstration teaching aid, constitute by the rectangle frame, it is characterized in that a left side at the rectangle frame, the inboard of left frame is provided with, lower roll, on, the end axle of lower roll inserts a left side, in the axis hole of left frame, last, fixedly cog respectively on the right-hand member axle of lower roll, on gear, be wound with chain, last, be wound with nonwoven fabrics on the lower roll, the upper end of nonwoven fabrics is bonded on the top roll, the lower end of nonwoven fabrics is bonded on the lower roll, letter paper on the bonding of the surface of nonwoven fabrics, be marked with the date in the privathrief form at letter paper, address, text, ending and signature are at device of shifting block type, reference position mark line in half device of shifting block type and the indented style indicates letter kind label in the upper left corner of letter paper, indicate letter form label in the upper right corner of letter paper.

The utility model is also implemented by following measure: the right-hand member shaft extension of described lower roll goes out left frame, turning handle on the right-hand member axle external part of lower roll is fixing; Upper ledge middle part at the rectangle frame is provided with hook.

The beneficial effects of the utility model are: compare with present English letter form teaching method, because all letter forms are concentrated on the demonstration roller, but the limit says that the limit is changed, and whenever says what a form, rotatable one section; And simple in structure, easy to operate, equipment investment is little, directly perceived, the image of teaching, stereoscopic sensation are strong, are easy to the student and grasp, and can improve the actual effect of phonetic teaching.Can be widely used in the teaching of English letter form.

Description of drawings

Fig. 1, be the structure front-view schematic diagram of an embodiment of the utility model.

Fig. 2, be that the utility model is along the vertical section cross-sectional schematic of Fig. 1.

Embodiment

Make the utility model with reference to Fig. 1,2.This English letter format combination demonstration teaching aid, constitute by rectangle frame 1, it is characterized in that a left side at rectangle frame 1, the inboard of left frame is provided with, lower roll 2,2 ', on, lower roll 2,2 ' the end axle insert a left side, in the axis hole of left frame, last, lower roll 2,2 ' the right-hand member axle on fixedly cog 4 respectively, 4 ', at gear 4,4 ' on be wound with chain 5, make by chain 5, lower roll 2,2 ' tension is rotated synchronously, last, lower roll 2,2 ' on be wound with nonwoven fabrics 3, the upper end of nonwoven fabrics 3 is bonded on the top roll 2, the lower end of nonwoven fabrics 3 be bonded in lower roll 2 ' on, letter paper 6 on the bonding of the surface of nonwoven fabrics 3, be marked with the date in the privathrief form at letter paper 6, address, text, ending and signature are at device of shifting block type, reference position mark line 7 in half device of shifting block type and the indented style, indicate letter kind label 8 in the upper left corner of letter paper 6, indicate letter form label 9 in the upper right corner of letter paper 6.

Described lower roll 2 ' the right-hand member shaft extension go out left frame, lower roll 2 ' right-hand member axle external part fixing on turning handle 10, by the rotation of turning handle 10, drive upper and lower roll 2,2 ' rotation, batch up or down thereby drive nonwoven fabrics 3, letter paper 6 on nonwoven fabrics 3 is conversion thereupon also, like this, but the limit says that the limit is changed, whenever say what a form, rotatable one section; Upper ledge middle part at rectangle frame 1 is provided with hook 11, during use, can hang up.

Claims

1. English letter format combination demonstration teaching aid, constitute by rectangle frame (1), it is characterized in that a left side in rectangle frame (1), the inboard of left frame is provided with, lower roll (2,2 '), on, lower roll (2,2 ') the end axle insert a left side, in the axis hole of left frame, last, lower roll (2,2 ') the right-hand member axle on fixedly cog (4 respectively, 4 '), at gear (4,4 ') on be wound with chain (5), last, lower roll (2,2 ') on be wound with nonwoven fabrics (3), the upper end of nonwoven fabrics (3) is bonded on the top roll (2), the lower end of nonwoven fabrics (3) is bonded on the lower roll (2 '), and bonding goes up letter paper (6) on the surface of nonwoven fabrics (3).

2. English letter format combination demonstration teaching aid according to claim 1 is characterized in that the right-hand member shaft extension of described lower roll (2 ') goes out left frame, at the fixing turning handle (10) of going up of the right-hand member axle external part of lower roll (2 '); Upper ledge middle part at rectangle frame (1) is provided with hook (11).