CN205318668U - Teacher's pointer is used in college english teaching - Google Patents

Abstract

The utility model discloses a teacher's pointer is used in college english teaching, it relates to the english teaching materials technical field of university, the handle is installed to the lower extreme of the body of rod, the side -mounting of handle has control switch, the battery is installed to the inside lower extreme of the body of rod, change the roller and install the upper end at the body of rod, it is connected with driving motor's pivot to change the pivot of roller, the surface that changes the roller has cup jointed cleans the cover, the coupling spring is installed to the upper end of the body of rod, the guide pole is installed to the upper end of coupling spring, the internally mounted who guides the pole has the laser lamp, the outer surface mounting of laser lamp has the protective sheath, the battery is connected with control switch's one end, control switch's the other end is connected with driving motor's power end, the utility model discloses be convenient for realize quick the guide, can clean fast simultaneously, convenient to use, easy and simple to handle, work efficiency is high, saves time.

Description

A kind of college English Teaching teacher's pointer

Technical field:

The utility model relates to a kind of college English Teaching teacher's pointer, belongs to college English Teaching apparatus technical field.

Background technology:

The West Germanic Dialect that English belongs in Indo-European family of languages under Germanic branc, be by ancient times big belly lattice Shandong from the Scandinavian Peninsulas such as Denmark and Germany, Holland and periphery immigrant to Britain archipelago, Sa Kexun and Zhu Te clan the said Language Evolution of Germanic people, and propagated into all over the world by the colonial activities of Britain. Owing to once contacting with multiple native language in history, its vocabulary turns into many units from one yuan, and grammer turns into from " many flexions " " few flexion ", and voice also there occurs regularity.

Calculate according to the number using English as mother tongue, English is the official language that country uses at most, English is also the 2nd language the most widely in the world, Ye Shi European Union, the official language of maximum international organization and country of the British Commonwealth of Nations, the mother tongue user's number having third place in the world, only less than Chinese and Spanish mother tongue user's number.

In 19th to 20 century, UK and USA makes English become a kind of international language in culture, economic, military, politics and science leading position in the world. Nowadays, many international occasions all make in English as communication media. English is also contact the closest language with computer, and most of programming language is all related with English, and the use along with network, makes English use more universal. English is one of working language of United Nations. Some think that low ground Scotch is an immediate independent language with English, and some then think that it is a dialect of English. Immediate with old english is Gu Fuli Western languages, and this kind of language Friesland that still Germany is northern and Dutch now uses. Scotch, low ground Saxon, Danish, German, Dutch, Afrikaans and English are also very close. The graceful people of promise having the France of Denmark blood lineage conquers England kingdom in 11st century, brings tens thousand of French vocabulary and Latin vocabulary, has enriched largely outside English glossary, relatively also orders about much primary Germany's vocabulary and cancels.

Existing college English Teaching teacher's pointer is inconvenient in use, and complicated operation, loses time.

Practical novel content:

For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of college English Teaching teacher's pointer.

A kind of college English Teaching teacher's pointer of the present utility model, it comprises the body of rod, handle, store battery, drive-motor, trip switch, transfer roller, wiping sleeve, linking springs, guide rods, laser lamp; The lower end of the body of rod is provided with handle; the side of handle is provided with trip switch; the lower end of body of rod inside is provided with store battery; transfer roller is arranged on the upper end of the body of rod; the rotating shaft of transfer roller is connected with the rotating shaft of drive-motor; the outside surface of transfer roller is socketed with wiping sleeve; the upper end of the body of rod is provided with linking springs; the upper end of linking springs is provided with guide rods; the inside of guide rods is provided with laser lamp; the outside surface of laser lamp is provided with protective sleeve, and store battery is connected with one end of trip switch, and the other end of trip switch is connected with the power supply end of drive-motor.

As preferably, the outside surface of described handle is provided with anti-skidding cover.

As preferably, the outside surface of described linking springs is socketed with dust-proof cover.

The beneficial effects of the utility model are: be convenient to realize quick guide, can carry out quick wiping simultaneously, it may also be useful to convenient, easy and simple to handle, working efficiency height, saves time.

Accompanying drawing illustrates:

For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.

Fig. 1 is structural representation of the present utility model.

In figure: the 1-body of rod; 2-handle; 3-store battery; 4-drive-motor; 5-trip switch; 6-transfer roller; 7-wiping sleeve; 8-linking springs; 9-guide rods; 10-laser lamp.

Embodiment:

For making the purpose of this utility model, technical scheme and advantage clearly understand, below by the specific embodiment shown in accompanying drawing, the utility model is described. It should be understood that these describe just exemplary, and do not really want to limit scope of the present utility model. In addition, in the following description, eliminate the description to known features and technology, unnecessarily obscure concept of the present utility model to avoid.

As shown in Figure 1, this embodiment is by the following technical solutions: it comprises the body of rod 1, handle 2, store battery 3, drive-motor 4, trip switch 5, transfer roller 6, wiping sleeve 7, linking springs 8, guide rods 9, laser lamp 10, the lower end of the body of rod 1 is provided with handle 2, the side of handle 2 is provided with trip switch 5, the lower end of the body of rod 1 inside is provided with store battery 3, transfer roller 6 is arranged on the upper end of the body of rod 1, the rotating shaft of transfer roller 6 is connected with the rotating shaft of drive-motor 4, the outside surface of transfer roller 6 is socketed with wiping sleeve 7, the upper end of the body of rod 1 is provided with linking springs 8, the upper end of linking springs 8 is provided with guide rods 9, the inside of guide rods 9 is provided with laser lamp 10, the outside surface of laser lamp 10 is provided with protective sleeve, store battery 3 is connected with one end of trip switch 5, the other end of trip switch 5 is connected with the power supply end of drive-motor 4.

Further, the outside surface of described handle 2 is provided with anti-skidding cover.

Further, the outside surface of described linking springs 8 is socketed with dust-proof cover.

The principle of work of this embodiment is: realize closely guiding by guide rods 9; laser lamp 10 can realize remote guide simultaneously; linking springs 8 effectively protects guide rods 9; extend work-ing life; simultaneously when blackboard needs wiping; starting drive-motor 4, drive-motor 4 drives wiping sleeve 7 to rotate and realizes quick wiping, saves time.

More than show and describe ultimate principle of the present utility model and main characteristic sum advantage of the present utility model. The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model. The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (3)

1. a college English Teaching teacher's pointer, it is characterised in that: it comprises the body of rod, handle, store battery, drive-motor, trip switch, transfer roller, wiping sleeve, linking springs, guide rods, laser lamp; The lower end of the body of rod is provided with handle; the side of handle is provided with trip switch; the lower end of body of rod inside is provided with store battery; transfer roller is arranged on the upper end of the body of rod; the rotating shaft of transfer roller is connected with the rotating shaft of drive-motor; the outside surface of transfer roller is socketed with wiping sleeve; the upper end of the body of rod is provided with linking springs; the upper end of linking springs is provided with guide rods; the inside of guide rods is provided with laser lamp; the outside surface of laser lamp is provided with protective sleeve, and store battery is connected with one end of trip switch, and the other end of trip switch is connected with the power supply end of drive-motor.

2. a kind of college English Teaching teacher's pointer according to claim 1, it is characterised in that: the outside surface of described handle is provided with anti-skidding cover.

3. a kind of college English Teaching teacher's pointer according to claim 1, it is characterised in that: the outside surface of described linking springs is socketed with dust-proof cover.