CN217999290U

CN217999290U - Invisible hinge

Info

Publication number: CN217999290U
Application number: CN202221173655.5U
Authority: CN
Inventors: 谢晓东; 钱勇春; 陈惠仪
Original assignee: Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd; Guangdong Hehe Intelligent Technology Co Ltd
Current assignee: Guangdong Hehe Construction Hardware Manufacturing Co Ltd; Foshan Hehexing Technology Industrial Co Ltd; Guangdong Hehe Intelligent Technology Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-12-09
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to a hinge field especially relates to an invisible hinge, the utility model provides an invisible hinge adopts four-bar linkage, including sill bar, short connecting rod, long connecting rod and fan die-pin, its characterized in that, the one end activity riveting of short connecting rod and long connecting rod is on the top face of sill bar, and the other end activity riveting of short connecting rod and long connecting rod is on the bottom face of fan die-pin, and installs frame limit spiral shell piece on the bottom face of sill bar, and the fan limit spiral shell piece is installed to the inboard on the vertical portion top of fan die-pin. When the die-pin expandes or when closing, all can realize the stable spacing of fan die-pin, satisfy the installation user demand of stealthy hinge, need not use the spout moreover, do not have the condition that is not smooth and easy, the card pauses in the motion process.

Description

Invisible hinge

Technical Field

The utility model relates to a hinge technical field especially relates to an invisible hinge.

Background

The invisible hinge is a device for connecting a door and window frame and a door and window sash to realize rotation of the door and window sash, and is widely used for fixing the door and window; and because the window frame is hidden, the appearance of the whole window is attractive and is accepted by the market.

The structure of present stealthy hinge generally all has the condition of spout sliding construction, and because has appeared easily at the in-process of installation and construction and has debris to fall on the spout, makes to have the stealthy hinge appear in the motion process unsmooth, card pause etc. lead to the damage of stealthy hinge, consequently provides one kind and need not spout, the stealthy hinge of four connecting rod integrated configuration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an invisible hinge.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the invisible hinge comprises a bottom rod, a short connecting rod, a long connecting rod and a fan supporting rod and is characterized in that one ends of the short connecting rod and the long connecting rod are movably riveted on the top end face of the bottom rod, the other ends of the short connecting rod and the long connecting rod are movably riveted on the bottom end face of the fan supporting rod, a frame edge screw sheet is installed on the bottom end face of the bottom rod, and a fan edge screw sheet is installed on the inner side of the top end of the vertical portion of the fan supporting rod.

Preferably, a connecting piece is installed on the bottom end face of the fan supporting rod, and one ends of the short connecting rod and the long connecting rod are movably riveted and installed on the connecting piece.

Preferably, the one end of connection piece protrusion fan die-pin is provided with the convex closure stopper, and the one end of sill bar corresponds the convex closure stopper and is provided with the broken line stopper, and convex closure stopper and broken line stopper looks adaptation.

Preferably, when the fan supporting rod and the bottom rod are folded and overlapped, the convex hull limiting block and the broken line limiting block are mutually clamped and limited.

Preferably, when the fan supporting rod is unfolded, the fan supporting rod drives the short connecting rod and the long connecting rod to synchronously turn and open.

Preferably, when the fan supporting rod is unfolded to the maximum angle, the short connecting rod and the long connecting rod are restricted and limited mutually.

Preferably, the frame edge screw sheet is clamped and installed on the window frame, and the sash edge screw sheet is clamped and installed on the sash frame.

The utility model has the advantages that:

the utility model provides an invisible hinge adopts four-bar linkage, when a die-pin expandes or closes, all can realize the stability of a die-pin spacing, satisfies invisible hinge's installation user demand, need not use the spout moreover, does not have the condition that unsmooth, the card is dunked in the motion process.

Drawings

Fig. 1 is a schematic structural view of the invisible hinge provided by the present invention when folded;

fig. 2 is a first schematic structural view of the invisible hinge according to the present invention when unfolded;

fig. 3 is a schematic structural view ii of the invisible hinge according to the present invention when unfolded;

fig. 4 is a schematic structural view of the invisible hinge provided by the present invention when the short connecting rod and the long connecting rod are restricted;

fig. 5 is a schematic structural view of a fan supporting rod of the invisible hinge provided by the present invention.

In the figure: 1 bottom rod, 11 broken line limiting blocks, 2 short connecting rods, 3 long connecting rods, 4 fan-edge screw pieces, 5 supporting rods, 51 connecting pieces, 511 convex hull limiting blocks and 6 frame-edge screw pieces.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, an invisible hinge comprises a bottom rod 1, a short connecting rod 2, a long connecting rod 3 and a fan supporting rod 5, wherein one end of the short connecting rod 2 and one end of the long connecting rod 3 are movably riveted on the top end face of the bottom rod 1, the other end of the short connecting rod 2 and the other end of the long connecting rod 3 are movably riveted on the bottom end face of the fan supporting rod 5, a frame edge screw piece 6 is installed on the bottom end face of the bottom rod 1, and a fan edge screw piece 4 is installed on the inner side of the top end of the vertical part of the fan supporting rod 5.

A connecting piece 51 is punched on the bottom end face of the fan supporting rod 5, and one ends of the short connecting rod 2 and the long connecting rod 3 are movably riveted and installed on the connecting piece 51.

Wherein, one end of the connecting sheet 51 protruding the fan supporting rod 5 is provided with a convex hull limiting block 511, one end of the bottom rod 1 is provided with a broken line limiting block 11 corresponding to the convex hull limiting block 511, and the convex hull limiting block 511 is matched with the broken line limiting block 11; when the fan supporting rod 5 and the bottom rod 1 are folded and overlapped, the convex hull limiting block 511 and the broken line limiting block 11 are mutually clamped and limited.

When the fan supporting rod 5 is unfolded, the fan supporting rod 5 drives the short connecting rod 2 and the long connecting rod 3 to synchronously turn and open; when the fan supporting rod 5 is unfolded to the maximum angle, the short connecting rod 2 and the long connecting rod 3 are restricted and limited mutually.

Moreover, the frame edge screw piece 6 is tightly clamped and installed on the window frame, the fan edge screw piece 4 is tightly clamped and installed on the fan frame, and the frame edge screw piece 6 and the fan edge screw piece 4 are adopted to realize quick positioning and installation, so that the installation efficiency is improved, wherein the installation method of the frame edge screw piece 6 and the fan edge screw piece 4 is the prior art.

In this embodiment, the stealthy hinge that this application provided adopts four-bar linkage, and when fan die-pin 5 expandes, fan die-pin 5 drives short connecting rod 2 and long connecting rod 3 and turn to in step and open, when fan die-pin 5 expandes maximum angle, it is spacing to restrict mutually between short connecting rod 2 and the long connecting rod 3 to can carry on spacingly to the die-pin 5 of opening after, in order to guarantee to fan the stability after 5 uncouples of die-pin.

Moreover, when the fan supporting rod 5 and the bottom rod 1 are folded and overlapped, the convex hull limiting block 511 and the broken line limiting block 11 are mutually clamped and limited, namely, the fan supporting rod 5 and the bottom rod 1 are mutually limited, so as to ensure the stability of the closed fan supporting rod 5.

Moreover, the bottom rod 1 and the fan supporting rod 5 are respectively provided with the frame edge screw sheet 6 and the fan edge screw sheet 4, so that the rapid positioning and installation of the fan edge screw sheet can be realized, and the installation efficiency is improved.

The utility model provides an invisible hinge adopts four-bar linkage, when fan die-pin 5 expandes or closes, all can realize that the stability of fan die-pin 5 is spacing, satisfies invisible hinge's installation demand, need not use the spout moreover, does not have the condition that unsmooth, the card pauses in the motion process.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an invisible hinge, includes sill bar (1), short connecting rod (2), long connecting rod (3) and fan die-pin (5), its characterized in that, the one end activity riveting of short connecting rod (2) and long connecting rod (3) is on the top face of sill bar (1), and the other end activity riveting of short connecting rod (2) and long connecting rod (3) is on the bottom face of fan die-pin (5), and installs frame limit flight (6) on the bottom face of sill bar (1), and fan limit flight (4) are installed to the inboard on the vertical portion top of fan die-pin (5).

2. The invisible hinge according to claim 1, wherein a connecting piece (51) is punched on the bottom end face of the sash bracket rod (5), and one ends of the short connecting rod (2) and the long connecting rod (3) are movably riveted and installed on the connecting piece (51).

3. The invisible hinge according to claim 2, wherein a convex hull limiting block (511) is arranged at one end of the connecting piece (51) protruding the fan supporting rod (5), a broken line limiting block (11) is arranged at one end of the bottom rod (1) corresponding to the convex hull limiting block (511), and the convex hull limiting block (511) is matched with the broken line limiting block (11).

4. The invisible hinge as claimed in claim 3, wherein the convex hull stopper (511) and the broken line stopper (11) are mutually engaged and limited when the fan supporting rod (5) and the bottom rod (1) are folded and overlapped.

5. The invisible hinge according to claim 1, wherein when the fan supporting rod (5) is unfolded, the fan supporting rod (5) drives the short connecting rod (2) and the long connecting rod (3) to synchronously turn and open.

6. The invisible hinge according to claim 5, characterized in that when the fan supporting rod (5) is unfolded to the maximum angle, the short connecting rod (2) and the long connecting rod (3) are restricted and limited mutually.

7. Invisible hinge according to claim 1, characterized in that the frame edge screws (6) are mounted on the window frame and the sash edge screws (4) are mounted on the sash frame.