X-shaped stretching structure

The utility model discloses an X-shaped stretching structure which comprises a first telescopic structure, a second telescopic structure, a third telescopic structure and a fourth telescopic structure, the first telescopic structure and the second telescopic structure are arranged in parallel, the t...

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Bibliographische Detailangaben
1. Verfasser:	HE GUANGMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAND OR TRAVELLING ARTICLES HEATING HUMAN NECESSITIES LADIES' OR LIKE FANS LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL UMBRELLAS WALKING STICKS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses an X-shaped stretching structure which comprises a first telescopic structure, a second telescopic structure, a third telescopic structure and a fourth telescopic structure, the first telescopic structure and the second telescopic structure are arranged in parallel, the third telescopic structure and the fourth telescopic structure are arranged in parallel, and the first telescopic structure, the second telescopic structure, the third telescopic structure and the fourth telescopic structure are staggered to form an X shape. The middle of the first telescopic structure and the middle of the second telescopic structure are provided with upper center gears, the middle of the third telescopic structure and the middle of the fourth telescopic structure are provided with lower center gears, and extension in four directions can be achieved through the telescopic structures which are staggered into an X shape; through meshing of gears and racks, the four telescopic structures can extend ou