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Fast telescoping device for telescopic tube

A telescopic sleeve, retractable device technology, applied in the directions of retractable units, foldable antennas, etc., can solve the problems of low reliability, complex structure of the connection device, inconvenient pull-out, fixation, retraction and storage of the metal sleeve, etc. Achieve the effect of high reliability, convenient use and compact structure

Active Publication Date: 2014-07-02
江苏捷诚车载电子信息工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of the connection device between the existing multi-section telescopic metal sleeves with pipe diameters ranging from φ18mm to φ35mm is complicated. Requirements for quick pull out and quick retraction of tubes

Method used

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  • Fast telescoping device for telescopic tube
  • Fast telescoping device for telescopic tube
  • Fast telescoping device for telescopic tube

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and the embodiments of a group of metal telescopic sleeve quick retracting devices whose pipe diameters are respectively φ30mm and φ35mm. The present invention is not limited to the rapid retraction of two-section telescopic sleeves. Within the diameter range of φ18mm to φ35mm, the structure of the present invention can be used to pass the multi-section metal tubes with gradually decreasing diameter through a group of two sections. The sleeve of the present invention is connected as a whole.

[0015] like Figure 1 ~ Figure 3 As shown, this embodiment includes an inner tube 1 with a diameter of φ30mm, an outer tube 2 with a diameter of φ35mm, an inner tube telescopic positioning mechanism 3 arranged on one end of the inner tube 1 and an inner tube stretching out a limit mechanism 4, and the inner tube 1 Set in the outer tube 2, the lower end of the inner tube 1 is provid...

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Abstract

The invention discloses a fast telescoping device for a telescopic tube. The telescoping device comprises an inner tube, an outer tube, an inner tube telescopic positioning mechanism and an inner tube extension limiting mechanism. A pair of straight inner tube grooves is arranged at the lower end of the inner tube, and a pair of straight outer tube grooves corresponding to the straight inner tube grooves is arranged at the upper end of the outer tube. The inner tube telescopic positioning mechanism comprises a pair of positioning claws, a compression spring and a positioning claw supporting shaft, wherein the positioning claw supporting shaft is fixed inside the lower end of the inner tube and provided with an axial groove at the upper end, the positioning claws are symmetrically arranged in the axial groove and have the upper ends hinged with the positioning claw supporting shaft, and the compression spring is arranged above the middle portion of inner sides of the positioning claws. The inner tube extension limiting mechanism is arranged at the upper end of the inner tube telescopic positioning mechanism. The fast telescoping device for the telescopic tube is compact in structure, convenient to utilize, high in reliability, capable of realizing fast telescoping of every two sections of telescopic metallic tubes of a multi-section whip antenna with tube diameter ranging from 18mm to 35mm, and capable of meeting system engineering requirements.

Description

technical field [0001] The invention relates to a device for pulling out, fixing and retracting storage between multi-section sleeves, in particular to a rapid retraction and retraction between multi-section metal sleeves in a multi-section whip antenna for mobile communication device. It belongs to the technical field of radio communication. Background technique [0002] In the vehicle-mounted mobile communication system, the whip antenna for high-power transmission is one of the most commonly used antennas in short-wave communication. It is composed of multi-section metal pipes with gradually decreasing diameters connected one by one, including the end connections of adjacent metal pipes. and the connection between the retractable metal sleeve. The structure of the connection device between the existing multi-section telescopic metal sleeves with pipe diameters ranging from φ18mm to φ35mm is complicated. Tube quick pull out and quick retract storage on request. Conte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/10
Inventor 罗士云袁亮
Owner 江苏捷诚车载电子信息工程有限公司
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