Multifunctional adjustable and rapid telescopic device

A telescopic device, multi-functional technology, applied in water conservancy projects, rod connection, artificial islands, etc., can solve the problems of fast fine-tuning, high cost, complex structure, etc.

Inactive Publication Date: 2011-03-30
廖耀川
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The first purpose of the present invention is to provide an adjustable telescopic device capable of fast fine-tuning, simple in structure, an...

Method used

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  • Multifunctional adjustable and rapid telescopic device
  • Multifunctional adjustable and rapid telescopic device
  • Multifunctional adjustable and rapid telescopic device

Examples

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no. 6 example

[0070] another example Figure 12 Shown in the sixth embodiment of the present invention, when the present invention is applied to the structure of a quadrangular manhole cover, the outer frame 10 and the inner frame 20 are in a quadrangular shape, and the first clamping portion 12 on the outer frame 10 is made to be With respect to the sliding method of the outer frame 10 , it is mainly that a plurality of sliding grooves 14 are provided on the outer frame 10 , so that the first clamping part 12 can pass through the sliding grooves 14 to produce left and right lateral movement on the outer frame 10 , so as to cooperate with the second clamping portion 22 on the inner frame 20 so that the inner frame 20 can achieve the telescopic effect of raising and lowering on the outer frame 10 .

[0071] And the maximum height of the first and second clamping parts does not exceed the appropriate size of the full height of the wall, and the reserved part constitutes the shielding wall 26,...

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PUM

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Abstract

The invention discloses a multifunctional adjustable and rapid telescopic device which is mainly based on the principle that forces applying on the same area are identically equal while forces with opposite directions mutually offset, in particular to an adjustable telescopic device which can be subject to rapid fine tuning and free lifting by means of a clamp tenon carrying out lifting adjustment based on the slope principle. The telescopic device comprises an outer frame and an inner frame, wherein the outer frame is a hollow tubular body, and is provided with a plurality of first clamp parts; and the inner frame is arranged in the outer frame, and the length of the whole telescopic device can be adjusted by adjusting the clamp points of the first clamp parts and second clamp parts. The device of the invention has the advantages that the length of the whole telescopic device can be adjusted, and trace adjustment can be realized at the same time, thereby avoiding the cost brought by replacing a whole manhole frame cover.

Description

technical field [0001] The invention provides a multi-functional adjustable fast telescopic device, especially an adjustable telescopic device that can be integrally formed and can save manufacturing costs and manual operation costs, thereby forming a multi-purpose adjustable telescopic device that can be quickly lifted or retracted at will. Background technique [0002] Generally between two retractable objects, such as between two plates, between two cylinders, between two pipes, telescopic tripods, telescopic table legs or folding bicycles, etc., the expansion and contraction are all using external screws Spring clips or collars or additional outer cylinders can be used to increase or decrease the height and length of the two objects and fix them to prevent the two from sliding. [0003] Another example is that the existing manhole cover on the road cannot be adjusted in height because it covers the through hole in a closed manner. The height difference between the repai...

Claims

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Application Information

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IPC IPC(8): F16B7/14E02D29/14
Inventor 廖耀川
Owner 廖耀川
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