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Blind hinge with maximum open degree

A technology of concealed hinge and large opening degree, applied in the field of concealed hinge, can solve the problems of exposed parts and cannot be opened 180 degrees, and achieve the effect of simple connection, reduction of shaking gap, and smooth movement

Active Publication Date: 2016-11-30
WONLY SECURITY & PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the technical problem that some components in the prior art are exposed and cannot be opened 180 degrees

Method used

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  • Blind hinge with maximum open degree
  • Blind hinge with maximum open degree
  • Blind hinge with maximum open degree

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Experimental program
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Embodiment Construction

[0037] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0038] see figure 1 , a large-opening concealed hinge of the present invention, including a door and window hinge shaft 2 installed on the door and window 1 with the axis perpendicular to the rotating surface of the door and window 1; one end is connected to the door and window hinge 2, which can be relatively The hinge arm 3 that the door and window sash 1 rotates around the door and window sash hinge shaft 2, see figure 2; Parallel to the door and window hinge shaft 2 arranged in the door and window frame 4, connected to the other end of the hinge arm 3, and the door and window frame hinge shaft 5 that allows the hinge arm 3 to rotate relative to the door and window frame 4; and mobile controls. The movement control mechanism has a control shaft 6 fixed on the door and window frame 4, and is hinged on the control shaft 6, ...

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PUM

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Abstract

The invention provides a blind hinge with the maximum open degree. The blind hinge comprises a door window sash hinged shaft (2) installed on a door window sash (1), a door window frame hinged shaft (5) installed on a door window frame (4), a hinge arm (3) pivotally connected to the door window sash hinged shaft (2) and the door window frame hinged shaft (5) and a mobile control mechanism; the mobile control mechanism is arranged between the door window frame (4) and the door window frame hinged shaft (5), controls the door window frame hinged shaft (5) to be close to the side wall, making contact with the door window sash (1), of the door window frame (4) along with opening of the door window sash (1) and controls the door window frame hinged shaft (5) to be far away from the side wall, making contact with the door window sash (1), of the door window frame (4) along with closing of the door window sash (1). The door window frame hinged shaft is movably arranged, the hinge arm can adopt a smaller size, elaborate design of the door window frame is convenient to achieve, and the requirement of 180-degree opening of the door window sash is better met.

Description

technical field [0001] The invention relates to a door and window hinge, in particular to a concealed hinge capable of realizing a large opening. Background technique [0002] For doors facing the aisle or terrace, in order to avoid blocking the aisle or terrace after the door and window are opened, hinges that enable the door and window to open 180 degrees should be used to connect the door and window to the door and window frame. However, for safety doors such as anti-theft doors, hidden hinges that cannot be accessed from the outside of the door must be used due to safety requirements. And common concealed hinge is limited by the edge of door and window frame because hinge shaft is arranged in the door and window frame, can only make door and window leaf open about 90 degrees. In order to overcome this defect, Chinese patent document CN1358922A discloses a kind of invisible all-round door hinge, comprising: a curved rotating arm and a support mounting shaft seat, and one...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05D3/06E05D11/00
CPCE05D11/1007E05D3/12E05D3/06E05D11/00
Inventor 吕策
Owner WONLY SECURITY & PROTECTION TECH CO LTD
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