CN205247783U - Globe for teaching - Google Patents

Abstract

The utility model discloses a globe for teaching, the on -line screen storage device comprises a base, install the center pin of slope on the base, rotate on the center pin and install the spheroid, install on the center pin and be located the arcuate arm in the spheroid outside keeps away from the base rotate to install on the center pin and lie in the horizontal telescopic link in the arcuate arm outside, the flexible end of telescopic link has articulated parallel light analogue means, during the use, open the telescopic link, will parallel light analogue means is articulated to the end of telescopic link, adjusts parallel analogue means, the light level that makes its transmission is rotated spheroid a week and can be demonstrated the diurnal fluctuation on shining the spheroid, rotates the telescopic link, makes parallel light analogue means can demonstrate the change in the four seasons around spheroid a week, the utility model discloses can be vivid globe demonstration earth diurnal fluctuation and four seasons change for the favourable terrain, novel structure, dismantled and assembled taking in, occupation space is little.

Description

Teaching globe

Technical field

The utility model relates to a kind of teaching aid, relates in particular to the tellurion of using in a kind of geographical teaching.

Background technology

Tellurion is a kind of teaching aid of necessity in the Science Teaching of middle and primary schools, for the ease of the understanding earth,People copy the shape of the earth, dwindle according to certain ratio, have made the model of the earth---tellurion,And on tellurion, be provided with the distortion of length, area and direction, shape, so observe various from tellurionThe correlation of scenery is entirety and is similar to correctly, therefore, in teaching, can help student directly perceivedSome abstract natural phenomenas such as geographical relief and seasonal variations of understanding.

The earth is also rotation in revolving around the sun, and certainly circling is one day, and it is 1 year that public affairs circle, groundThe position relationship of ball and the sun has determined to shine upon tellurian sunlight and has distributed, and has formed on earth whiteThe differentiation at it and night, has formed the differentiation in the four seasons. The distance of the sun and the earth is very remote, so the sunBeing irradiated to tellurian light is parallel rays, in the teaching demonstration process of tellurion, utilize illuminating lamp orThe more difficult simulation parallel rays of instrument such as person's flashlight.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of religion that can simulated solar parallel raysTellurion.

For solving the problems of the technologies described above, the technical solution of the utility model is: teaching globe, comprises the endSeat, is provided with the central shaft of inclination on described base, on described central shaft, be rotatablely equipped with spheroid, described inThe arched arm that is positioned at described spheroid outside is installed in axle, on the described central shaft away from described base, rotatesThe horizontal extension bar that is positioned at described arched arm outside is installed, and the flexible end of described expansion link is mounted with parallelOptical analog device.

As the preferred technical scheme of one, described directional light analogue means comprises that being articulated in described expansion link stretchesThe lamp plate of contracting end, arranges some directional light analog modulation pearls, the bottom of described lamp plate is installed on described lamp plateBe provided with adjustable extending foot.

As the preferred technical scheme of one, described directional light analog modulation pearl comprises laser lamp.

As the preferred technical scheme of one, the flexible end of described expansion link is provided with and prevents that described lamp plate is slidingThe anti-skidding projection falling, is provided with the antiskid groove coordinating with described anti-skidding projection on described lamp plate.

As the preferred technical scheme of one, described in being provided with on the described central shaft away from described base and being positioned atThe pedestal in arched arm outside, is provided with rotation seat, described expansion link on the described central shaft of described pedestal topBe arranged on described rotation seat.

As the preferred technical scheme of one, between described spheroid and described central shaft, rolling bearing is installed.

As the preferred technical scheme of one, on described lamp plate, be provided with level meter.

Owing to having adopted technique scheme, teaching globe, comprises base, on described base, is provided withThe central shaft tilting, is rotatablely equipped with spheroid on described central shaft, described in being provided with on described central shaft and being positioned atThe arched arm in spheroid outside, is rotatablely equipped with and is positioned at described arched arm on the described central shaft away from described baseThe horizontal extension bar in outside, the flexible end of described expansion link is mounted with directional light analogue means; When use,Expansion link is opened, described directional light analogue means is articulated to the end of expansion link, regulate described parallel mouldIntend device, the light level of its transmitting is irradiated on spheroid, rotating sphere can be demonstrated round the clock and change for one week,Rotate expansion link, make directional light analogue means within one week, can demonstrate the variation in the four seasons around spheroid; The utility modelCan utilize visually the tellurion demonstration earth to change round the clock and Four seasons change, novel structure, dismantled and assembled storage,Take up room little.

Brief description of the drawings

The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit this practicality newThe scope of type. Wherein:

Fig. 1 is the structural representation that the utility model embodiment uses state;

Fig. 2 is I place enlarged drawing in Fig. 1;

Fig. 3 is the structural representation of the utility model embodiment receiving state;

In figure: 1-base; 2-central shaft; 3-spheroid; 4-arched arm; 51-horizontal extension bar; 52-pedestal;53-rotation seat; 61-lamp plate; 62-extending foot; The anti-skidding projection of 71-; 72-antiskid groove.

Detailed description of the invention

Below in conjunction with drawings and Examples, further set forth the utility model. In the following detailed description,Only by the mode of explanation, some example embodiment of the present utility model is described. Undoubtedly, this areaThose of ordinary skill can recognize, in the situation that not departing from spirit and scope of the present utility model, canDescribed embodiment is revised by various mode. Therefore, accompanying drawing and being described in essenceIllustrative, instead of for limiting the protection domain of claim.

As shown in Figure 1, teaching globe, comprises base 1, on described base 1, be provided with inclination inAxle 2, is rotatablely equipped with spheroid 3 on described central shaft 2, between described spheroid 3 and described central shaft 2Rolling bearing is installed, the arched arm 4 that is positioned at described spheroid 3 outsides is installed on described central shaft 2, far awayOn the described central shaft 2 of described base 1, be rotatablely equipped with the horizontal extension that is positioned at described arched arm 4 outsidesBar 51, particularly, is provided with on the described central shaft 2 away from described base 1 and is positioned at described arched arm 4Outside pedestal 52, on the described central shaft 2 of described pedestal 52 tops, rotation seat 53 is installed, described in stretchContracting bar is arranged on described rotation seat 53; The flexible end of described expansion link is mounted with directional light analogue means,Described directional light analogue means comprises the lamp plate 61 that is articulated in the flexible end of described expansion link, described lamp plate 61Upper arrangement is provided with some directional light analog modulation pearl (not shown)s, and described directional light analog modulation pearl comprisesLaser lamp, is provided with level meter (not shown) on described lamp plate 61, and establish the bottom of described lamp plate 61Be equipped with adjustable extending foot 62, extending foot 62 is threaded with lamp plate 61. As shown in Figure 2, instituteThe flexible end of stating expansion link is provided with and prevents the anti-skidding protruding 71 of described lamp plate 61 landings, described lamp plate 61On be provided with and described anti-skidding protruding 71 antiskid grooves that coordinate 72.

As shown in Figure 3, while use, lamp plate 61 can be pulled down from expansion link, by expansion link retraction,After storage, the space that the utility model takies and traditional tellurion take up room almost, can't like thisBecause the increase of function brings larger space requirement.

On described lamp plate 61, be provided with one or more lamp pearl gauge tap, when being designed to the control of a lamp pearlWhen switch processed, on whole lamp plate 61, switch can only be notified out or close; Certainly, also can be according to demand,Design multiple lamp pearl gauge taps, the lamp pearl on lamp plate 61 is carried out to region division, each region correspondence oneIndividual lamp pearl control quick closing valve. In described lamp plate 61, be provided with battery case, in described battery case, install promising parallelOptical analog lamp pearl provides the battery of electric energy.

When use, expansion link is opened, tabula rasa is articulated to the end of expansion link, regulate stretching of tabula rasa lower endContracting leg 62, opens the directional light analog modulation pearl on tabula rasa, makes the light level of its transmitting be irradiated to spheroid 3Upper, rotating sphere can be demonstrated round the clock and change for 3 one weeks; Taking the earth as object of reference, the simulation revolution of the earth, rotatesExpansion link, makes lamp plate 61 within 3 one weeks, can demonstrate the variation in the four seasons around spheroid; The utility model can imageVariation round the clock and the Four seasons change of the tellurion demonstration earth for land productivity, novel structure, dismantled and assembled storage, takiesSpace is little.

More than show and described general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand, and the utility model is not restricted to the described embodiments, above-described embodimentWith in description, describe principle of the present utility model is just described, do not departing from the utility model spirit and modelUnder the prerequisite of enclosing, the utility model also has various changes and modifications, and these changes and improvements all fall into requirementWithin the scope of the utility model of protection. The claimed scope of the utility model by appending claims andEquivalent defines.

Claims (7)

1. teaching globe, comprises base, and the central shaft of inclination is installed on described base, described centerOn axle, be rotatablely equipped with spheroid, the arched arm that is positioned at described spheroid outside be installed, its spy on described central shaftLevy and be: on the described central shaft away from described base, be rotatablely equipped with the level that is positioned at described arched arm outsideExpansion link, the flexible end of described expansion link is mounted with directional light analogue means.

2. teaching globe as claimed in claim 1, is characterized in that: described directional light analogue meansComprise the lamp plate that is articulated in the flexible end of described expansion link, on described lamp plate, arrange some parallel optical modes are installedIntend lamp pearl, the bottom of described lamp plate is provided with adjustable extending foot.

3. teaching globe as claimed in claim 2, is characterized in that: described directional light analog modulation pearlComprise laser lamp.

4. teaching globe as claimed in claim 2, is characterized in that: described expansion link flexibleEnd is provided with the anti-skidding projection that prevents described lamp plate landing, is provided with and described anti-skidding projection on described lamp plateThe antiskid groove coordinating.

5. teaching globe as claimed in claim 1, is characterized in that: described in described baseThe pedestal that is positioned at described arched arm outside is installed on central shaft, on the described central shaft of described pedestal top, pacifiesRotation seat is housed, and described expansion link is arranged on described rotation seat.

6. the teaching globe as described in claim as arbitrary in claim 1 to 5, is characterized in that: instituteState between spheroid and described central shaft rolling bearing is installed.

7. teaching globe as claimed in claim 2, is characterized in that: on described lamp plate, be provided with waterFlat instrument.