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Damping shaft being simple in structure

A technology of damping shaft and axis direction, applied in pivot connection and other directions, can solve the problems of complex structure and high manufacturing cost, and achieve the effect of solving complex structure, reducing production and manufacturing costs, and simple structure

Inactive Publication Date: 2016-07-13
SICHUAN ZHONGWU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of high manufacturing cost caused by the complex structure of the existing damping shaft, the present invention provides a simple damping shaft with the characteristics of simple structure, which can be infinitely rotated and fixed at this position, reducing the damping Shaft production and manufacturing costs

Method used

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  • Damping shaft being simple in structure

Examples

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Embodiment 1

[0067] This embodiment is used for adjusting the position of the antenna mast, including one shaft II3, two shafts I1, two adjustment rods 4, two expansion sleeves 5, and four positioning pins 2.

[0068] Axis Ⅰ1 is used as the fixed axis, and axis Ⅱ3 is used as the rotating shaft; when the parts are correctly assembled together, and the adjustment lever 4 on both sides is turned, the friction force between the mating surfaces of shaft Ⅰ1 and shaft Ⅱ3 can be increased or decreased, and the two can be adjusted steplessly. The included angle of the two axes, and make it positioned.

Embodiment 2

[0070] This embodiment is applied to windows, and it includes a shaft I1, a shaft II3, an adjusting rod 4, an expansion sleeve 5, and two positioning pins 2.

[0071] Both the shaft I1 and the shaft II3 can be used as a fixed shaft or as a rotating shaft.

[0072] Assemble the parts correctly, turn the adjusting lever 4 to increase or decrease the friction force of the mating surfaces of the shaft I1 and the shaft II3, and then the angle between the two shafts can be adjusted steplessly and positioned.

[0073] An application example of the present invention is to fix the shaft II3 on ​​the window, and the shaft I1 on the window frame, so that the window can be rotated at any desired angle and self-locked in this position.

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Abstract

The invention belongs to the technical field of damping shafts, particularly discloses a damping shaft being simple in structure, and aims to solve the problem existing in conventional damping shafts that manufacturing cost is high because the structure is complex. The damping shaft comprises one or more shafts II, wherein circular holes are formed in each shaft II in the axial directions of the shafts II; a shaft I capable of rotating in the corresponding circular hole is arranged in each circular hole; step holes and a taper hole are formed in each shaft I in the axial direction of the shaft I; each taper hole is formed in the tail of the corresponding shaft I; an expanding sleeve is arranged in each taper hole; at least two grooves are formed in the circumferential wall of each shaft I in the axial direction of the shaft I; the grooves, the step holes and the taper holes are communicated with one another; a regulating rod is arranged on each shaft I; one end of each regulating rod penetrates through the step hole in each shaft I to be in threaded connection with each expanding sleeve. According to the damping shaft disclosed by the invention, rotating angle can be conveniently controlled, and under the situation that no external force is applied to the two shafts, the relative position of the two rotated shafts is not changed.

Description

technical field [0001] The invention belongs to the technical field of damping shafts, and in particular relates to a simple damping shaft. Background technique [0002] The damping shaft is a common structure in life, such as the opening and closing of notebooks, the opening and closing of windows, and so on. For example, the patent application number 20132030920.0 discloses a damping shaft for multi-angle positioning of the rotation angle, including a concentric shaft, a bushing, a spring and a ball, the bushing is sleeved on the concentric shaft, a ball groove is arranged on the concentric shaft, and the spring and the ball are set in the ball groove, the bushing is provided with a positioning hole corresponding to the ball groove, and one end of the spring pushes the ball into the positioning hole; the concentric shaft is divided into two sections, one end of which is provided with a tongue, and the other One end of the concentric shaft is provided with a card groove, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C11/04
CPCF16C11/04
Inventor 陈炜
Owner SICHUAN ZHONGWU TECH
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