Invisible hinge for door

Abstract

The invention discloses an invisible hinge for a door. The invisible hinge comprises a hinge piece, bearings and a fixed shaft piece, wherein the hinge piece is an invisible hinge body which is mounted at the upper end and the lower end of a door pocket and used for connecting the door pocket with a door leaf and achieving rotating connection; the hinge piece comprises a hinge fixing body and a hinge crimping body which are connected with each other; The bearings are arranged at the top and the bottom of the door leaf in a hidden mode and are rotating pieces for achieving opening and closing of the door leaf, and a height difference is formed between a bearing outer ring and a bearing inner ring of each bearing; the fixed shaft piece is used for fixedly connecting the hinge piece and the bearings with the door leaf and is used as a component of a common rotating shaft of the door leaf and the hinge; and the fixed shaft piece penetrates through the hinge crimping body and the bearings to be fixedly connected with the door leaf, and is in tight fit connection with the bearing inner rings. According to the invisible hinge for the door, the door leaf and the door frame can be hinged through combination of the three parts, a door leaf shaft and a hinge shaft are arranged on the same straight line, the number of a parts at the door shaft is reduced, and the concealment and the delicacy of the hinge type door shaft are further improved.

Description

technical field [0001] The invention relates to the technical field of interior decoration, in particular to an invisible hinge for a door. Background technique [0002] At present, the hinge products in the market are installed on the side of the door leaf, and the door leaf is opened and closed by rotation. A door usually needs to install three hinges, and the hinges are installed, which are more prominent and unsightly. [0003] Chinese patent literature (announcement date: September 16, 2015, announcement number: CN 204645922U) discloses a hidden sky-earth hinge for a door leaf, including an upper hinge and a lower hinge, the upper hinge includes an upper shaft, and the lower part of the upper shaft is buried In the door leaf, the upper part of the upper rotating shaft protrudes from the top of the door leaf and is installed in the door frame; a needle bearing is arranged between the upper rotating shaft and the door frame; the lower hinge includes a lower rotating shaf...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of the redundant structure of the door leaf shaft and the door frame shaft in the existing heaven and earth hinge, many parts and complex structure, and to provide an invisible hinge for doors, which can be coordinated by a few three parts. The door leaf and the door frame can be hinged, and the door leaf shaft and the hinge shaft are set on the same straight line, which reduces the number of parts at the door shaft and further improves the concealment and compactness of the hinged door shaft.

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