Telescopic support
The invention discloses a telescopic support. The telescopic support comprises a base body, a circular channel is formed in the base body, a piston column is connected into the circular channel in a sleeved mode; a plurality of cylindrical pull rods are connected between the base body and the piston...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
17.07.2020
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Subjects | |
Online Access | Get full text |
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Summary: | The invention discloses a telescopic support. The telescopic support comprises a base body, a circular channel is formed in the base body, a piston column is connected into the circular channel in a sleeved mode; a plurality of cylindrical pull rods are connected between the base body and the piston column in a sleeved mode, and the pull rods are connected in a sleeved mode layer by layer from outside to inside; L-shaped grooves are formed in the inner wall of the circular channel of the base body and the inner wall of each pull rod, and each L-shaped groove comprises a vertical groove part formed in the axial direction and an arc groove part communicated with the vertical groove part and formed in the circumferential direction; guide blocks are arranged on the outer wall of the piston column and the outer wall of each pull rod, and each guide block is in sliding fit with the corresponding L-shaped groove in the outer side of the guide block; the piston column is pulled, so that the guide block moves in the c |
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Bibliography: | Application Number: CN202010348919 |