CN204010522U - A kind of terrestrial globe - Google Patents

Abstract

The utility model discloses a kind of terrestrial globe, the pedestal that comprises earth body and inner hollow, earth body is arranged on pedestal, in pedestal, install for controlling the electric device of earth body rotation, electric device comprises motor, wiring board and Power Supply Assembly, and Power Supply Assembly is connected with motor by wiring board, and on the output shaft of motor, cover has axle cap, output shaft passes from pedestal top, and earth body is fixed on axle cap.The beneficial effects of the utility model are: simple and practical, multiple functional, the change of earth body shape is convenient to hand-held and is placed; Earth body surface is pasted map tiles, has accomplished that a ball schemes more, realizes the function of a plurality of terrestrial globes; Earth body passes through built-in magnet adsorption on the axle cap of motor, during use, adopt motor demonstration earth body rotation effect, be convenient to student and learn earth rotation knowledge vividly, simply, lively analog demenstration, the teaching condition of providing convenience for teacher, earth body is made simple, has saved financial cost.

Description

A kind of terrestrial globe

Technical field

The utility model relates to education of science technical field, in particular to a kind of terrestrial globe.

Background technology

Now nearly all on market is sphere body for the terrestrial globe shape of imparting knowledge to students, all one one figure, and all have a bow-shaped support and a round platform pedestal, sphere all adopt the scraps of paper that many lobes (12 lobes or more) are printed on map plastics circularly on ball body hand paste form.Other types terrestrial globe, as lifting terrestrial globe, magnetic suspension tellurian etc. need more stilts, furnishings property to be greater than practicality, is not easy to be widely used in teaching.

At present existingly for the terrestrial globe of imparting knowledge to students, there is following defect: (1) support is unreasonable, the globe design noumenally of this earth, though approach the true shape of the earth, but must support and just have stability with support, the real earth there is no support in fact, has therefore increased unnecessary teaching load; Though certain geographic significance is expressed in the design of the inclination angle of support, and field research be there is no to much use, because explanation ground axial rake needs of knowledge earth 's orbit knowledge is made background; Scale design is indicated tellurian latitude, and terrestrial globe itself has marked latitude, so be unnecessary; (2) in order to use stent support earth body, in south poles, place punches, and has destroyed the integrality of map; (3) terrestrial globe pick and place inconvenience, general earth body separates storage with support, usually needs the careful earth body that takes off or put back to during teaching, not only loses time, and tends to cause the landing and breaking from hand of earth body, affects teaching efficiency; (4) sphere paste picture width number is too much very unreasonable, adjustment repeatedly lost labor not only when the fornix type processing of each width scraps of paper being processed and being pasted before pasting, and be connected very nature, appearance is not attractive in appearance.

In sum, existing terrestrial globe, complex structure, stores and inconvenience is installed, and earth body easily damages, directly perceived not, vivid during teaching, poor practicability.

Utility model content

The complex structure existing for solving terrestrial globe of the prior art, stores and inconvenience is installed, and earth body easily damages, directly perceived not, vivid during teaching, the defects such as poor practicability, and the purpose of this utility model is to provide a kind of terrestrial globe.

For achieving the above object, a kind of terrestrial globe is provided in the utility model embodiment, the pedestal that comprises earth body and inner hollow, earth body is arranged on pedestal, installs for controlling the electric device of earth body rotation in pedestal, and electric device comprises motor, wiring board and Power Supply Assembly, Power Supply Assembly is connected with motor by wiring board, on the output shaft of motor, cover has axle cap, and output shaft passes from pedestal top, and earth body is fixed on axle cap.

In the technical program, pedestal is used for holding the parts such as electric device, simultaneously for earth body supports, electric device is for providing the power of rotation to earth body, stretch out outside pedestal at the output shaft top of motor, and output shaft end is installed the axle cap of irony circle, earth body is connected with axle cap, during concrete use, motor is miniature direct current generator at a slow speed, rotating speed is about 3～6 revs/min, rotating speed is slow, centrifugal force is less, be beneficial to earth body and when rotating, keep balance, it is helpful when classmates are to earth body observation nearby simultaneously, adopt motor demonstration earth body rotation effect, can make student learn earth rotation knowledge vividly, simply, lively analog demenstration, improve student's learning interest, the teaching condition of providing convenience for teacher, practical.

Further, in earth inner body wall, the first magnet is all installed at corresponding terrestrial pole place, and earth body passes through the first magnet adsorption on axle cap.

In the technical program, the first magnet is for being adsorbed on the axle cap of irony, high adsorption capacity, guaranteed that earth body is when rotating along with motor output shaft, can not come off from pedestal, can directly earth body be taken off where necessary in addition, then utilize the first magnet adsorption on earth body in the irony plane of metal, easy to use, be convenient to deposit, earth body is not easy to fall or tilts and cause earth body to damage, practical, guaranteed the stability that earth body rotates, more can make that student is lively simultaneously, image, observe the earth intuitively.

Further, on axle cap, be provided with and magnet adsorbs mutually for the first time the second magnet.In the technical program, adsorb the second magnet on axle cap, the second magnet is relative with the first magnet opposite sex, and the second magnet is used for earth ontological adsorption theory at axle cap, further increase the adsorptive power of the first magnet, prevent that earth body is by landing on axle cap, practical.

Further, pedestal inner bottom part is installed the 3rd magnet.In the technical program, the function of the 3rd magnet is to be mainly adsorbed on the irony platform of level or on vertical irony desktop, to guarantee that like this base can not tilt or landing from desktop easily, strengthen the stability that terrestrial globe is placed, and then the convenience of increase observation place globe, security performance is higher, and practicality is stronger.

Further, Power Supply Assembly is battery, and battery is connected with motor by wiring board.In the technical program, Power Supply Assembly is further limited, battery can be used common No. 5 home-use dry cells, is used to motor that electric weight is provided, and preferred battery can be rechargeable battery.

Further, battery with on motor connecting wire road, be connected in series for control motor clockwise/counterclockwise/three control switches of stopping the rotation, three control switches are fixed on pedestal sidewall.In the technical program, the utility model is controlled the rotation of motors by three control switches, for example clockwise, counterclockwise or stop, guarantee the portability of earth body rotary manipulation, after having operated, regulated in time three control switches, motor is stopped, saving electric weight, practical.

Further, the base bottom bottom that is slidably connected.By slip bottom, all component of electric device all can be placed in pedestal, by the bottom sliding, be convenient to change battery simultaneously, practicality is stronger.

Preferably, on earth body outer wall, paste the paster that is printed on world map.In the technical program, world map can be tellurian country, each continent, area and ocean or temperature degree etc., by the paster of pasting, can at any time paster be taken off, easy to use, time saving and energy saving, solid and reliable, while using certain country or frigid zone, can directly corresponding paster be taken off to displaying, after being finished, paste again to earth body, by this form, can observe more intuitively the distribution of the earth, the knowledge of the Students ' Learning terrestrial globe of being more convenient for, has strengthened student's learning ability.Welt can take off and change at any time, has accomplished that a ball is multiplex, more practical.

The beneficial effects of the utility model are: the utility model is simple in structure, and light economy is multiple functional; This terrestrial globe adopts motor demonstration earth body rotation effect simultaneously, can make student learn earth rotation knowledge vividly, simply, lively analog demenstration, improve student's learning interest, the teaching condition of providing convenience for teacher, earth body is convenient to hand-held and is placed in addition, and the intrinsic magnet of the earth can be adsorbed on axle cap, and stability strengthens; Earth body is made simply in addition, has saved financial cost, and earth body is more attractive in appearance, under the irradiation of light, has drop shadow effect.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of terrestrial globe described in the utility model embodiment;

Fig. 2 is the schematic perspective view of a kind of terrestrial globe described in the utility model embodiment;

Fig. 3 is the structural representation of the pedestal of a kind of terrestrial globe described in the utility model embodiment;

Fig. 4 is the structural representation one of the earth body of a kind of terrestrial globe described in the utility model embodiment;

Fig. 5 is the structural representation two of the earth body of a kind of terrestrial globe described in the utility model embodiment;

Fig. 6 is the structural representation three of the earth body of a kind of terrestrial globe described in the utility model embodiment.

In figure,

1, earth body; 2, pedestal; 3, electric device; 4, motor; 5, wiring board; 6, Power Supply Assembly; 7, output shaft; 8, axle cap; 9, the first magnet; 10, the 3rd magnet; 11, battery; 12, three control switches; 13, bottom; 14, the second magnet.

Embodiment

Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.

Embodiment 1, as shown in Figure 1, a kind of terrestrial globe described in the utility model embodiment, comprises the pedestal 2 of earth body 1 and inner hollow, and earth body is arranged on pedestal, in pedestal, install for controlling the electric device 3 of earth body rotation, electric device comprises motor 4, wiring board 5 and Power Supply Assembly 6, and Power Supply Assembly is connected with motor by wiring board, and on the output shaft 7 of motor, cover has axle cap 8, output shaft passes from pedestal top, and earth body is fixed on axle cap.

The earth body of this terrestrial globe is inner hollow structure, as Figure 4-Figure 6, earth body can be various shapes, is not limited only to the shape described in accompanying drawing 1, also be not limited to ball of the prior art, earth body can also be cut into other shape, the earth body of this shape is more convenient to hand-held and is placed, and stable phase is strong, be more convenient for observing, under the irradiation of light, drop shadow effect is obvious, has more practicality simultaneously; The two poles of the earth, north and south of this earth body are all designed to planar structure in addition, therefore on any wooden, stone matter platform or palm, it is all steady placement, no matter far see and still closely see where just want to see and where see, want to look squarely, overlook or look up all right, therefore viewing distance, viewing angle and the view mode of terrestrial globe are not all restricted, can select viewing angle according to student's demand, thereby more effectively serve teaching, improve the convenience of teaching.In addition after the long-time use of existing terrestrial globe, the volume of earth body easily expands, and is not easy to packing and transportation, and the earth body that the utility model provides is when dispatching from the factory, only need be by each face laid out flat, in the time of need to using, student to specifications can manual fitting, with adhesive tape, is fixed into spheroid form, easy to use, improve student's manipulative ability, improved student's learning interest simultaneously, practical.

Globe adopts manual mode traditionally, can not be automatic, the utility model in an embodiment, adopts motor demonstration rotation effect, axle cap is enclosed within on the output shaft of motor, by friction force, produce motion, when using, hand is pinned earth body, can not cause motor along bad, can make student effectively learn earth rotation knowledge, be convenient to teachers ' teaching, improve student's learning interest; Earth body is placed on pedestal in addition, has saved the support of existing terrestrial globe, need not make the perforate of earth body, and then can not damage earth body, and along with the electric machine rotation in pedestal, earth body can rotate, and can observe intuitively and learn; Earth body is made simply in addition, has saved financial cost, and earth body is more attractive in appearance, under the irradiation of light, has drop shadow effect.

The pedestal of this terrestrial globe is used for holding the parts such as electric device, simultaneously for earth body supports, electric device is for providing the power of rotation to earth body, stretch out outside pedestal at the output shaft top of motor, and output shaft end is installed the axle cap of irony circle, earth body is connected with axle cap, during concrete use, motor is miniature direct current generator at a slow speed, rotating speed is about 3～6 revs/min, rotating speed is slow, centrifugal force is less, be beneficial to earth body and when rotating, keep balance, it is helpful when classmates are to earth body observation nearby simultaneously, adopt motor demonstration earth body rotation effect, can make student learn earth rotation knowledge vividly, simply, lively analog demenstration, improve student's learning interest, the teaching condition of providing convenience for teacher, practical.

Embodiment 2, as Figure 1-3, a kind of terrestrial globe described in the utility model embodiment, comprises the pedestal of earth body and inner hollow, and earth body is arranged on pedestal, in pedestal, install for controlling the electric device of earth body rotation, electric device comprises motor, wiring board and Power Supply Assembly, and Power Supply Assembly is connected with motor by wiring board, and on the output shaft of motor, cover has axle cap, output shaft passes from pedestal top, and earth body is fixed on axle cap.

In the technical program, in further described earth inner body wall, the first magnet 9 is all installed at corresponding terrestrial pole place, and earth body passes through the first magnet adsorption on axle cap.In the present embodiment, adopted to this earth body innovation magnet adsorption principle, earth body adopts PET lightweight material to make simultaneously, and earth body interior hollow, therefore the earth body of lightweight utilizes the first magnet adsorption on the motor axle cap of metal, be conducive to the stability that earth body rotates, earth body can be taken off from pedestal simultaneously, then be placed on the master station desktop of metal material, by the first magnet adsorption, guaranteed the stability of earth body, practical, take off or place all very convenient, can not damage earth body.

In the technical program, the second magnet 14 mutually adsorbing with the first magnet is installed on further described axle cap.In the technical program, adsorb the second magnet on axle cap, the second magnet is relative with the first magnet opposite sex, and the second magnet is used for earth ontological adsorption theory at axle cap, further increase the adsorptive power of the first magnet, prevent that earth body is by landing on axle cap, practical.

In the technical program, further described pedestal inner bottom part is installed the 3rd magnet 10.The function of the 3rd magnet is to be mainly adsorbed on the irony platform of level or on vertical irony desktop, strengthen the stability that terrestrial globe is placed, and then increase the convenience of observation place globe, will guarantee that like this base can not tilt or landing from desktop easily, security performance is higher, and practicality is stronger.

Embodiment 3, as Figure 1-3, a kind of terrestrial globe described in the utility model embodiment, comprises the pedestal of earth body and inner hollow, and earth body is arranged on pedestal, in pedestal, install for controlling the electric device of earth body rotation, electric device comprises motor, wiring board and Power Supply Assembly, and Power Supply Assembly is connected with motor by wiring board, and on the output shaft of motor, cover has axle cap, output shaft passes from pedestal top, and earth body is fixed on axle cap.

Further, Power Supply Assembly is battery 11, and battery is connected with motor by wiring board.Further, battery with on motor connecting wire road, be connected in series for control motor clockwise/counterclockwise/three control switches 12, three control switches of stopping the rotation are fixed on pedestal sidewall.Further, the base bottom bottom 13 that is slidably connected.

In the present embodiment, this terrestrial globe adopts three control switches to control direct current generator go to circuit, can control motor forward drives terrestrial globe to clockwise rotate or stops operating to force terrestrial globe to stop operating or reverse and drive terrestrial globe to rotate counterclockwise, can make if desired micromotor pin earth body in when work also available hand, be convenient to a certain figure of in-plant static observation or country or frigid zone and the torrid zone etc. local map, practical, strengthened the convenience of teaching, improved student's learning interest, image, observe intuitively earth rotation situation, being convenient to student understands and learns.

The utlity model has in addition the automatism of earth body rotation and the controllability whether earth body rotates.In order effectively to learn earth rotation knowledge, in the present embodiment, adopt micromotor demonstration rotation effect.While observing Antarctic region and the south temperate zone, only the arctic need be swept away and be adsorbed on micromotor axle cap, then start three control switches and clockwise rotate by micromotor.While observing Arctic, north temperate zone or the torrid zone, only the South Pole need be swept away and be adsorbed on micromotor axle cap, then start three control switches and rotate counterclockwise by motor.The available hand terrestrial globe that stops is carefully observed statically nearby if desired, and finger leaves the running as usual of rear terrestrial globe.

Embodiment 4, as Figure 1-3, a kind of terrestrial globe described in the utility model embodiment, comprises the pedestal of earth body and inner hollow, and earth body is arranged on pedestal, in pedestal, install for controlling the electric device of earth body rotation, electric device comprises motor, wiring board and Power Supply Assembly, and Power Supply Assembly is connected with motor by wiring board, and on the output shaft of motor, cover has axle cap, output shaft passes from pedestal top, and earth body is fixed on axle cap.

Preferably, on earth body outer wall, paste the paster that is printed on world map.World map can be tellurian country, each continent, area and ocean or temperature degree etc., and the paster by pasting, can take off paster at any time, easy to use, time saving and energy saving, solid and reliable; The change of earth body shape is not only convenient to hand-held and is placed in addition, and stability strengthens; And to pinup picture, change the condition of having created the many figure of a ball, and realize the function of a plurality of terrestrial globes, earth body consumptive material is few, makes simply, provides cost savings.Earth body sharp outline, under the irradiation of light, has drop shadow effect.

In the technical program, earth body is ball internal cutting stereoscopic device, can be made into various shape, as long as can be for showing world map, earth body be used the one-shot forming of PET plastics.The thin PB paster that makes made of paper for world map, paster is mainly used in recording climate zone, comprises the north frigid zone, north temperate zone, the torrid zone, the south temperate zone and the south frigid zone, and the north frigid zone (being in the Arctic Circle) paster is for being used positive axis azimuthal equidistant projection to draw; North temperate zone map take for using that the secantcone projection that the Arctic Circle and the tropic of Cancer is standard parallel is drawn, tropical paster be take cyclotomy post projective rendering that the tropic of Cancer and the tropic of Capricorn be standard lines, south temperate zone paster take as using that the secantcone projection that the tropic of Capricorn and the Antarctic Circle be standard lines is drawn, the south frigid zone (being) paster is the drafting of use positive axis azimuthal equidistant projection the Antarctic Circle in as using.Because four scant lengths are identical, because can there is not distortion of projection, so five width area maps can amalgamation.

The utility model also comprises paster box in addition, for the map tiles of splendid attire self-adhering type, and complete placement, easy-to-look-up.Paster box can be placed in pedestal, and map tiles can also distribute and volcanic earthquake distribution plan and world population distribution plan for administrative area, world figure, world location distribution plan, world climate types distribution plan, world's plate in addition.Paster box is equivalent to the effect of wardrobe, for the paster that is printed on map of a set of different purposes of splendid attire.

No matter in each embodiment of the present utility model, better the earth five band images are heaved in sight, be ocean, continent, area, or country, can a glance just can be identified in the position in five bands.And Position Latitude is most important geographic element, associated Climate Cause and distribution, vegetation, living resources, the even formation of part of mineral resources and distribution, industry, the distribution of agriculture etc., can be directly perceived five band positions, this is also the most magnificent place in each embodiment of the present utility model.

The map of terrestrial globe is strengthened: what adopt due to new terrestrial globe is not Surface of Sphere but the platform of the displaying map that disc, table top and cylinder combine, correspondingly, and the corresponding change of map projection.Positive axis azimuthal equidistant projection, the secantcone projection that the utility model adopts, cutting these three kinds of projection patterns of conic projection, is the most practical the most classical on map several modes.Both can show global administrative map, also can show global topomap, can also show global climate figure, global vegetation map, Global plate figure etc., be more convenient for teachers ' teaching and Students ' Learning, visual in image.

Map content on earth body can be changed as required in addition, and cartography becomes paster, conveniently sticks or takes off, and this is also one of core technology of the present utility model.During concrete use, as this administrative division, class Students ' Learning whole world, lower class Students ' Learning whole world landform, we only need to take off five width pictures of global administrative division figure content in break the global topomap five width pictures of changing corresponding five bands, quite convenient, can join multi-purpose world map by an instrument, ball internal cutting structure is body, map, as clothing, can arbitrarily be changed.

While pasting map tiles for earth body in addition, time and labour saving, in embodiment of the present utility model, preferably, a set of map only needs five width figure to paste, and map sheet is few; Adopt self-adhering type patch design, convenient and easy; Sticking veneer is smooth, to pasting, requires lowly, ownly just can complete; The tradesman of Bu Xu factory aspect pastes, and has reduced the cost of labor expense of manufacturing.

Side by side the map sheet of globe earth body has more aesthetic property and integrality, in embodiment of the present utility model, preferably, earth body map is transformed into the map mode that circular flat, round table surface and the face of cylinder combine, map content does not lack completely, stickup gap is few, adopts the design of self-adhering type note, and moulding has type and both artistic and practical.When concrete use, in conjunction with laser lamp demonstration solar irradiation, more can see position and the effect of direct projection, oblique fire, very clear, be convenient to student image, observe intuitively the structure of terrestrial globe, the learning interest that improved student, practical.

In sum, the terrestrial globe that the utility model provides, simple and practical, light economy, multiple functional.Earth body consumptive material is few, makes simply, saves cost.The change of earth body shape is not only convenient to hand-held and is placed, and stability strengthens; And to pinup picture, change the condition of having created the many figure of a ball, realize the function of a plurality of terrestrial globes.Earth body sharp outline, under illumination, has drop shadow effect.Earth body on the axle cap of pedestal, produces obvious rotation phenomenon by built-in magnet adsorption, has improved efficiency of teaching.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (8)

1. a terrestrial globe, the pedestal (2) that comprises earth body (1) and inner hollow, earth body is arranged on pedestal, it is characterized in that: in pedestal, install for controlling the electric device (3) of earth body rotation, electric device comprises motor (4), wiring board (5) and Power Supply Assembly (6), Power Supply Assembly is connected with motor by wiring board, the upper cover of the output shaft of motor (7) has axle cap (8), output shaft passes from pedestal top, and earth body is fixed on axle cap.

2. a kind of terrestrial globe according to claim 1, is characterized in that: in earth inner body wall, the first magnet (9) is all installed at corresponding terrestrial pole place, and earth body passes through the first magnet adsorption on axle cap.

3. a kind of terrestrial globe according to claim 2, is characterized in that: on axle cap, be provided with and magnet adsorbs mutually for the first time the second magnet (14).

4. a kind of terrestrial globe according to claim 2, is characterized in that: pedestal inner bottom part is installed the 3rd magnet (10).

5. a kind of terrestrial globe according to claim 1, is characterized in that: Power Supply Assembly is battery (11), and battery is connected with motor by wiring board.

6. a kind of terrestrial globe according to claim 5, is characterized in that: battery with on motor connecting wire road, be connected in series for control motor clockwise/counterclockwise/three control switches (12) of stopping the rotation, three control switches are fixed on pedestal sidewall.

7. a kind of terrestrial globe according to claim 1, is characterized in that: the base bottom bottom (13) that is slidably connected.

8. a kind of terrestrial globe according to claim 1, is characterized in that: on earth body outer wall, paste the paster that is printed on world map.