Shaft hole connecting device

Abstract

The invention relates to the technical field of outdoor recreation facilities, and in particular relates to a shaft hole connecting device which comprises a fixing base, a rotating shaft and a rotation cooperation part, wherein the rotation cooperation part is connected with the fixing base; the rotation cooperation part is connected with the fixing base; a shaft hole is formed in the rotation cooperation part; the rotating shaft is arranged inside the shaft hole; the rotating shaft comprises a rotating shaft body, an unlocking button and an elastic part; the rotating shaft body is fixedly mounted on the fixing base; the unlocking button is arranged on the rotating shaft body and can only slide relative to the rotating shaft body in the axial direction; the elastic part is arranged between the rotating shaft body and the unlocking button and is used for providing pre-tension to the unlocking button; a pressing part and a plurality of clamping teeth which are positioned on the lower side of the pressing part and are distributed in the circumferential direction are arranged at the free end of the unlocking button; the pressing part is arranged protruding outside the shaft hole; the clamping teeth are defined on the inner ring of the end part of the shaft hole; a plurality of clamping grooves clamped with the clamping teeth are formed in the inner ring of the end part of the shaft hole; when the pressing part presses down, the clamping teeth and the clamping grooves are released from clamping; the rotation cooperation part can rotate on the rotating shaft.

Description

technical field [0001] The invention relates to the technical field of outdoor leisure equipment, in particular to a shaft-hole connecting device. Background technique [0002] In outdoor leisure, people like to lie on the leisure chair to read books and chat; at the same time, they often carry items such as mobile phones and drinks during leisure. These articles are mostly placed on the tray beside the seat, but the existing trays are all fixedly installed on the seat, have very single functions, and cannot be fully utilized. In addition, most of the seats installed on the tray are folding seats, and the problem of folding after folding is also considered during use, which often results in a large thickness of the folding chair and takes up a lot of space. [0003] The applicant has applied for a seat tray, which includes a tray body; the seat tray also includes an upper fixed base and a lower fixed base; the upper fixed base includes a universal connection seat and a fixe...

AI Technical Summary

Problems solved by technology

Most of these items are placed on the tray next to the seat, but the existing trays are fixedly installed on the seat, have very single functions, and cannot be fully utilized

In addition, most of the seats installed on the tray are folding seats, and the problem of folding after folding is also considered when using, which often results in a large thickness of the folding chair and takes up more space

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