Rotary movable hinge

Abstract

The invention discloses a rotary movable hinge. A movable hinge base is fixed to a cabinet body, a sliding groove is formed in the movable hinge base, one side of the sliding groove is open, and a hinge limiting adjusting bolt is arranged on the other side of the sliding groove; one side of the movable hinge is installed in the sliding groove in a sliding mode and fixedly connected with the hinge limiting adjusting bolt, a steel ball supporting frame is arranged between the movable hinge and the inner wall of the sliding groove, a plurality of sets of steel balls are installed on the steel ball supporting frame, relative sliding between the movable hinge and the movable hinge base is achieved through the steel ball supporting frame and the steel balls, the other side of the movable hinge penetrates out of the open side of the sliding groove and is connected with a fixed hinge through a hinge shaft, and the fixed hinge is fixedly connected with a door. The rotary movable hinge is simple in structure, low in manufacturing cost, low in assembly difficulty, small in gap and high in bearing capacity due to the adoption of the steel ball supporting frame and the steel balls, high in precision and free of shaking when the movable hinge and the movable hinge base slide relatively, suitable for batch production and use and capable of being widely applied to the fields of vacuum refrigerators, negative-pressure fresh-keeping cabinets and the like.

Description

Technical field: [0001] The invention relates to a rotary movable hinge. Background technique: [0002] In recent years, vacuum fresh-keeping cabinets have been used more and more. For example, the publication number is CN111588232A, and the name is a Chinese invention patent application for a smart cabinet for fruit and vegetable fresh-keeping in supermarkets. The vacuum device can evacuate the cabinet to form a negative pressure, and the storage time of fruits and vegetables can be prolonged under the vacuum environment. However, in specific applications, due to the need to directly observe the specific conditions of the internal fruits and vegetables from the outside, the door of this fresh-keeping cabinet needs to use glass doors, and the existing glass airtight doors, when subjected to internal vacuum negative pressure, have the following Disadvantages: One side of the current glass airtight door is hinged to the cabinet body through a hinge. This side can be rotated r...

AI Technical Summary

Problems solved by technology

[0005] In order to make up for the deficiencies in the prior art, the present invention provides a rotating and moving hinge, which solves the problems of the previous moving hinges such as complex structure, small load-bearing, high manufacturing cost, and difficult assembly, and solves the problems of the previous moving hinges. It is easy to have a large gap between them, and the problem of shaking when moving

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