CN2720548Y

CN2720548Y - Simple globe runnting instrument

Info

Publication number: CN2720548Y
Application number: CN 200420010989
Authority: CN
Inventors: 王锦中
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-06-09
Filing date: 2004-06-09
Publication date: 2005-08-24
Anticipated expiration: 2014-06-09

Abstract

The utility model discloses a simple globe running instrument. A globe model is arranged on the periphery of the sun model through connecting pieces and driving mediums. The connecting pieces and the driving mediums comprise a column, a sun supporting rod, and a sun model on the top of the sun supporting rod; the sun supporting rod is sheathed with a revolution radius base of the earth and a supporting sheave, and the other end of the revolution radius of the earth is sheathed with rotating axes; the rotating axis on one side of the revolution radius is fixedly sheathed with a major sheave, and the rotating axis on the other side of the revolution radius of the earth is obliquely and fixedly sheathed with the supporting rotating bowl of the earth axis; the globe model is arranged on the inner wall of the supporting rotating bowl of the earth axis in a rolling mode through an idler wheel. The rotating axes and the earth axis are connected through a doubly-linked bearing; one bearing of the doubly-linked bearing is sheathed on the rotating axis, and the other end is sheathed on the earth axis; the radial planes of the two bearings of the doubly-linked bearing are bending shaped. The utility model has simple structure; that the earth conducts revolution surrounding the sun is demonstrated, and simultaneously, the relative position of the sun and the earth in spring, summer, autumn, and winter can be demonstrated; the simple globe running instrument has image and visual expression.

Description

Simple and easy loxocosm

Technical field: the utility model relates to a kind of instrument, relates in particular to a kind of simple and easy loxocosm that is used for middle and primary schools' geography, natural classroom instruction visual illustration.

Background technology: tool Northern Hemisphere patent CN2103845U report, the loxocosm that is used for middle and primary schools' geography, natural classroom instruction visual illustration all adopts baroque gear drive, and select for use light emitting source as the sun, especially when demonstrating round the clock the boundary line, just need darkroom and power supply to make the light radiography, its complex structure, manufacturing cost height, thereby be unsuitable for the use of remote, poor regional middle and primary schools.

Summary of the invention: in middle and primary schools' geography, natural classroom instruction, can visual illustration Earth moves around the sun perceptual knowledge problem, the utility model moving, that strengthen the student a kind of simple in structure, with low cost, simple and easy loxocosm that class demonstration is visual in image is provided.

The technical solution of the utility model realizes in the following manner:

A kind of simple and easy loxocosm, it is that the terrestrial globe model is arranged on revolution and the rotation that solar model is realized the earth on every side by web member and driving member, and the demonstration spring, summer, autumn, the relative position of Ember Days in the winter earth and the sun, wherein web member and driving member comprise: the man in a responsible position, the sun supporting pole of cross fixation on the man in a responsible position, the fixedly connected solar model in sun supporting pole upper end, turning set is connected to revolution of earth radius seat and supports sheave on sun supporting pole, revolution of earth radius seat is connected with the revolution of earth constant radius, revolution of earth radius other end turning set is inserted with rotating shaft, fixed cover is equipped with the major trough wheel in the rotating shaft of revolution of earth radius one side, between major trough wheel and support sheave, be connected with driving belt, one earth's axis is housed supports and rotate bowl at the rotating shaft of the revolution of earth radius opposite side fixed cover that tilts, the terrestrial globe model is placed on the earth's axis support rotation bowl inwall by the self-rotation wheel rolling that is fixed on the earth's axis, rotating shaft is held by a pair of connecting shaft with the earth's axis and is connected, doubly-linked bearing one bearing holder (housing, cover) is contained in the rotating shaft, the other end is sleeved on the earth's axis, and the two bearings sagittal plane of doubly-linked bearing is bending.

Sun supporting pole and man in a responsible position's angle is preferably a=45 °.

The two bearings sagittal plane flexibility of doubly-linked bearing is preferably β=156.5 °.

Solar model is fixed as one by a turning connecting rod and sun supporting pole.

90 ° of turnings of turning connecting rod.

Good effect of the present utility model is:

1, simple in structure, to make easily, adult is low, is specially adapted to the regional middle and primary schools of remote poverty and uses.

2, image, directly perceived, only stir when just can demonstrate out the earth and revolve round the sun around the sun with hand, also rotation, and can also demonstrate spring, summer, autumn, four seasons of the winter sun and the relative position of the earth, strengthen the perceptual knowledge of students in middle and primary schools, help it to understand the learning concept of celestial bodies motion celestial bodies motion.

Description of drawings:

Fig. 1 is the structural representation of the utility model relative position of the earth and sun during spring.

Fig. 2 is the structural representation of the utility model relative position of the earth and sun during summer.

The structural representation of Fig. 3 the utility model relative position of the earth and sun during autumn.

The structural representation of Fig. 4 the utility model relative position of the earth and sun during winter.

The utility model is described in further detail below in conjunction with accompanying drawing:

By Fig. 1, Fig. 2, Fig. 3, Fig. 4 is as can be seen: the utility model comprises man in a responsible position 10, the sun supporting pole 11 of cross fixation on man in a responsible position 10, the fixedly connected solar model 1 in sun supporting pole 11 upper ends, turning set is connected to revolution of earth radius seat 13 and supports sheave 12 on sun supporting pole 11, revolution of earth radius seat 13 is fixedlyed connected with revolution of earth radius 7, revolution of earth radius 7 other end turning sets are inserted with rotating shaft 4, fixed cover is equipped with major trough wheel 8 in the rotating shaft 4 of revolution of earth radius 7 one sides, between major trough wheel 8 and support sheave 12, be connected with driving belt 9, one earth's axis is housed supports and rotate bowl 6 at the rotating shaft 4 of the revolution of earth radius opposite side fixed cover that tilts, terrestrial globe model 2 is placed on earth's axis support rotation bowl 6 inwalls by self-rotation wheel 14 rollings that are fixed on the earth's axis 3, rotating shaft 4 is held 5 with the earth's axis 3 by a pair of connecting shaft and is connected, doubly-linked bearing 5 one bearing holder (housing, cover)s are contained in the rotating shaft 4, the other end is sleeved on the earth's axis 3, and the two bearings sagittal plane of doubly-linked bearing 5 is bending; Also can be found out by Fig. 1: sun supporting pole 11 is preferably a=45 ° with man in a responsible position 10 angle, and the two bearings sagittal plane flexibility of doubly-linked bearing 5 is preferably β=23.5 °, and solar model 1 is fixed as one by a turning connecting rod and sun supporting pole.

Also can find out by Fig. 1, when be spring the season in the Northern Hemisphere, sun sunlight direct projection terrestrial equator, the light in the directive Northern Hemisphere then is oblique line, thereby Northern Hemisphere temperature was both not too high, and is not too low, more suitable again.

By Fig. 1, Fig. 2, Fig. 3, Fig. 4 also can find out, when stir revolution radius 7 with the hand counter-clockwise direction, when it is rotated around sun supporting pole 11, then driving belt 9 drives major trough wheel 8, supporting sheave 12 rotates, take turns rotating shaft 4 rotations that fixed cover is an one with major trough, tilting to be fixed on the earth's axis in the rotating shaft 4 supports and rotates bowl 6 and rotate with axle, thereby the self-rotation wheel 14 that is positioned on earth's axis support rotation bowl 6 inwalls is made the rolling drive earth's axis 3 relatively, earth model rotates, make earth model 2 in rotation in the sun 1 revolution, doubly-linked bearing 5 guarantees that the earth's axis 3 and Earth's orbit revolution radius angle are 66.5 °.

Fig. 2 represents that the Northern Hemisphere is in the season in summer season, and at this moment, the light that the sun impinges upon on the Northern Hemisphere is straight line, so summer, Northern Hemisphere temperature was higher.

Fig. 3 represents that the Northern Hemisphere is in the season in autumn season, and at this moment, the light that the sun impinges upon on the Northern Hemisphere also is oblique line, thereby Northern Hemisphere temperature is low than summer.

Fig. 4 represents that the Northern Hemisphere is in the season in winter season, and at this moment, the light that the sun impinges upon on the Northern Hemisphere more tilts, thereby Northern Hemisphere temperature is minimum at all seasons.

Claims

1, a kind of simple and easy loxocosm, it is that terrestrial globe model (2) is arranged on revolution and the rotation that solar model (1) is realized the earth on every side by web member and driving member, it is characterized in that: web member and driving member comprise: man in a responsible position (10), the sun supporting pole (11) of cross fixation on man in a responsible position (10), sun supporting pole (11) upper end fixedly connected solar model (1), going up turning set at sun supporting pole (11) is connected to revolution of earth radius seat (13) and supports sheave (12), revolution of earth seat (13) is fixedlyed connected with revolution of earth radius (7), revolution of earth radius (7) other end turning set is inserted with rotating shaft (4), go up fixed cover in the rotating shaft (4) of revolution of earth radius (7) one sides major trough wheel (8) is housed, between major trough wheel (8) and support sheave (12), be connected with driving belt (9), one earth's axis is housed supports and rotate bowl (6) at the rotating shaft (4) of the revolution of earth radius opposite side fixed cover that tilts, terrestrial globe model (2) is placed on earth's axis support rotation bowl (6) inwall by self-rotation wheel (14) rolling that is fixed on the earth's axis (3), rotating shaft (4) is held (5) with the earth's axis (3) by a pair of connecting shaft and is connected, doubly-linked bearing (5) one bearing holder (housing, cover)s are contained in the rotating shaft (4), the other end is sleeved on the earth's axis (3), and the two bearings sagittal plane of doubly-linked bearing (5) is bending.

2, a kind of simple and easy loxocosm according to claim 1 is characterized in that: sun supporting pole (11) is preferably a=45 ° with man in a responsible position's (10) angle.

3, simple and easy loxocosm according to claim 2 is characterized in that: the two bearings sagittal plane flexibility of doubly-linked bearing (5) is preferably β=156.5 °.

4, simple and easy loxocosm according to claim 1 and 2 is characterized in that: solar model (1) is fixed as one by a turning connecting rod and sun supporting pole.

5, simple and easy loxocosm according to claim 4 is characterized in that: the turning connecting rod has 90 ° of turnings.