Novel mechanical telescopic device
A telescopic device and mechanical technology, which is applied in the direction of mechanical equipment, transmission devices, belts/chains/gears, etc., can solve the problems of complex structure, increased friction between the telescopic shaft and oil seal, and large volume, so as to improve economic benefits, reduce volume, Smartly structured effects
Inactive Publication Date: 2015-03-11
曹成
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Problems solved by technology
[0002] At present, the common mechanical telescopic device uses the crankshaft to drive the connecting rod to push the expansion and contraction. Generally, the volume is relatively large, and the structure is relatively complicated, involving gears, transmission shafts, crankshafts, and connecting rods. Since the crankshaft rotates eccentrically, increasing In addition, the connecting rod also swings up and down with the crankshaft while reciprocating left and right, so the telescopic shaft will also be affected by the traction force in the upward or downward direction when it expands and contracts. It will also increase the friction between the telescopic shaft and the oil seal
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[0013] exist figure 1 Among them, the connecting rod 2 is fixed on the driving shaft 1 through the gasket 13 and the nut 15, the rolling wheel 3 is connected with the end of the connecting rod 2 through the screw 4, and the slideway barrel 5 is connected through the gasket 14 and the nut 16. Fixed on the telescopic shaft 8, the installation sequence of this part is to insert the right part of the slideway tube 5 onto the telescopic shaft 8, and then install the rolling wheel 3 connected with the connecting rod 2 into the right part of the slideway tube 5 half of the ring-shaped slideway, and then insert the left part of the slideway tube 5 on the telescopic shaft 8, and finally fix the whole set of slideway tube 5 with the gasket 14 and the nut 16, so that the rolling wheel 3 is limited to the slideway There are two symmetrical slots 9 and 10 on the telescopic shaft 8, insert the positioning pins 11 and 12 into the slots 9 and 10, and then insert the telescopic shaft 8 togethe...
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The invention relates to a novel mechanical telescopic device capable of coaxially stretching. The novel mechanical telescopic device is small in size, simple in structure, flexible to stretch and capable of adjusting the stretching distance. The novel mechanical telescopic device mainly consists of a driving shaft, a connecting rod, a rolling wheel, a slide-way tube and a telescopic shaft, wherein the connecting rod is fixed on the driving shaft, the rolling wheel is connected to the end part of the connecting rod through a screw rod, the rolling wheel is limited in a skew annular slide-way on the slide-way tube, the connecting rod and the rolling wheel on the connecting rod are driven by the driving shaft to make circumferential movement while the slide-way tube which is fixed on the telescopic shaft also can be pushed by the rolling wheel to make reciprocating telescopic movement, i.e. the telescopic shaft also can make the reciprocating telescopic movement.
Description
technical field [0001] The invention relates to a coaxial telescopic device, which is small in size, simple in structure, flexible in telescoping, and can adjust the telescopic stroke. Background technique [0002] At present, the common mechanical telescopic device uses the crankshaft to drive the connecting rod to push the expansion and contraction. Generally, the volume is relatively large, and the structure is relatively complicated, involving gears, transmission shafts, crankshafts, and connecting rods. Since the crankshaft rotates eccentrically, increasing In addition, the connecting rod also swings up and down with the crankshaft while reciprocating left and right, so the telescopic shaft will also be affected by the traction force in the upward or downward direction when it expands and contracts. It will also increase the friction between the telescopic shaft and the oil seal. Contents of the invention [0003] In order to improve the above drawbacks, the present ...
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IPC IPC(8): F16H37/12
CPCF16H37/12
Inventor 曹成王慧
Owner 曹成