CA-3046874-C - HINGE FOR THE ROTATABLE MOVEMENT OF A DOOR OR SIMILAR CLOSING ELEMENT

Abstract

A hinge for the rotatable movement of a door (D) or a similar closing element anchored to a wall (S) or a similar stationary support, the hinge comprising a fixed element (20) couplable to the wall (S) or a similar stationary support and a movable element (10) couplable to the door (D) or a similar closing element. The fixed (20) and movable (10) elements are mutually rotatably coupled to mutually rotate around a first longitudinal axis (X) between an open position and a closed position.

Inventors

• Luca Benedetti
• Mihai Mesaros

Assignees

• COLCOM GROUP S.P.A.

Dates

Publication Date

20260505

Application Date

20171222

Priority Date

20161223

Claims (1)

1. CLAIMS: 1. A hydraulic hinge for rotatable movement of a closing element between at least one closing position and at least one opening position, the closing element being adapted to be anchored to a stationary support structure, the hydraulic hinge comprising: 5 a fixed element adapted to be anchored to the stationary support structure; and a movable element adapted to be anchored to the closing element, said fixed element and said movable element being coupled so that the movable element rotates with respect to the fixed element around a first longitudinal axis; wherein one of said fixed element or said movable element includes at least one working 10 chamber defining a second longitudinal axis, said at least one working chamber being divided into at least one first half-chamber and at least one second half-chamber separated from each other by at least one hydraulic sealing element, so that a working fluid lies exclusively in one of said at least one first half-chamber or said at least one second half-chamber, the other one of said at least one first half-chamber or said at least one second half-chamber including a 15 counteracting spring, and wherein said one of said at least one first half-chamber or said at least one second halfchamber includes: a plunger slidable along said second axis, and the working fluid for hydraulically damping a movement of said movable element, 20 wherein said plunger partitions said one of said at least one first half-chamber or at least one second half-chamber into at least a first and a second variable volume compartments placed in fluid communication with each other, wherein said at least one working chamber further comprises at least one shaft having a first end operatively coupled to the other one of said fixed element or said movable element 25 and a second end operatively fixed to said plunger to slide integrally therewith, wherein said other one of said at least one first half-chamber or said at least one second half-chamber is proximal to said first longitudinal axis, said one of said at least one first halfchamber or said at least one second half-chamber being distal from said first longitudinal axis, wherein said at least one hydraulic sealing element is slidably inserted into said a least 30 one working chamber, said counteracting spring acting thereon to push said at least one hydraulic sealing element against said working fluid, 19 Date Re<;ue/Date Received 2024-05-16 91021819 wherein said at least one shaft is arranged in said first half-chamber and said second halfchamber passing through said at least one hydraulic sealing element to slide with respect to said at least one hydraulic sealing element, said plunger including a valve controlling the working fluid flow between said first variable volume compartment and said second variable volume 5 compartment, wherein the other one of said fixed element or said movable element includes a cam, said one of said fixed element or said movable element including a cylinder coupled to one end of said at least one shaft, said plunger being disposed at an opposite end of said at least one shaft, and 10 wherein said counteracting spring extends between a rear wall of said cylinder and said at least one hydraulic sealing element, said cylinder integral with an appendage in contact with said cam so that a rotation of said movable element causes a reciprocal interaction of said appendage and said cam and simultaneously causes the sliding of said plunger along said second axis and a compression or an expansion of said counteracting spring. 15 2. The hydraulic hinge according to claim 1, wherein said at least one hydraulic sealing element is substantially disc-shaped with a maximum outer diameter substantially equal to or slightly larger than an inner diameter of said at least one working chamber. 3. The hydraulic hinge according to claim 1, wherein said at least one hydraulic sealing element includes an elastomeric annular peripheral sealing element adapted to come into 20 contact with an inner wall of said at least one working chamber. 4. The hydraulic hinge according to claim 1, wherein said counteracting spring is a spiral spring fitted onto said at least one shaft having a first end in contact with said at least one hydraulic sealing element and a second end in contact with said rear wall of said cylinder. 5. The hydraulic hinge according to claim 1, wherein upon an occurrence of one of an 25 opening or a closing of the closing element, the working fluid flows from one of said first variable volume compartment or said second variable volume compartment to the other one of said first variable volume compartment or said second variable volume compartment, and upon the occurrence of the other one of the opening or the closing of the closing element, the working Date Re<;ue/Date Received 2024-05-16 91021819 fluid flows from the other one of said first variable volume compartment or said second variable volume compartment to said one of said first variable volume compartment or said second variable volume compartment. 21 Date Re<;ue/Date Received 2024-05-16

Description

HINGE FOR THE ROTATABLE MOVEMENT OF A DOOR OR SIMILAR CLOSING ELEMENT DESCRIPTION Field of the invention The present invention generally regards the technical field of closing or control hinges, and it 5 particularly regards a hinge for the rotatable movement of a door, a shutter or the like. State of the Art Hinges comprising a hinge body and a pin mutually coupled to allow a closing element, such as a door, a shutter or the like, to rotate between an open position and a closed position, are known. In particular, the hinge body generally has large dimensions thus making the prior art hinges 10 particularly cumbersome and aesthetically wanting. Such characteristic is particularly disadvantageous when the hinges are mounted on glass doors or shutters. Thus, such hinges are susceptible to improvement, in particular as regards the aesthetic appeal and the overall dimensions thereof. Furthermore, the generally known hinges comprise means for braking and/or damping the 15 opening and/or the closing of the closing element. Such hinges are susceptible to improvement, in particular as regards means for braking and/or damping the closing element. Summary of the invention An object of the present invention is to at least partly overcome the aforementioned drawbacks, 20 by providing a hinge that is highly functional and inexpensive. Another object of the invention is to provide a hinge with small overall dimensions. Another object of the invention is to provide a hinge with high aesthetic appeal. Another object of the invention is to provide a hinge capable of braking or damping the opening and/or closing of the closing element. Another object of the invention is to provide a hinge that is extremely safe. Another object of the invention is to provide a hinge that is extremely easy to mount. Another object of the invention is to provide a hinge that is extremely highly durable over time. These and other objects that will be more apparent hereinafter, are attained by a hinge according to what is described and/or claimed and/or illustrated herein. In a first aspect, there may be provided a hydraulic hinge for the rotatable movement of a closing element, such as a door, a window, a shutter or the like, between at least one closing position and at least one opening position, the closing element being anchorable to a stationary support structure, such as a wall, a floor, a frame or the like, the hinge comprising: a fixed element anchorable to the stationary support structure; a movable element anchorable to the closing element, said fixed element and movable element being mutually coupled so that the latter rotates - with respect to the former - around a 1 first longitudinal axis between an open and closed position; wherein one of said fixed element and movable element includes at least one working chamber defining a second longitudinal axis, said at least one working chamber including at least one portion comprising: - a plunger element slidable along said second axis, said plunger element being operatively coupled with the other of said fixed element and movable element so that the rotation of the movable element corresponds to the sliding of the former; - a working fluid for hydraulically damping the movement of said movable element; wherein said plunger element partitions said at least one portion of said at least one working 10 chamber into at least two variable volume compartments placed in fluid communication with each other and preferably adjacent to each other; wherein said plunger element includes at least one first duct and at least one second duct spaced apart and fluidically independent with respect to each other to fluidically connect said first compartment and said second compartment, and wherein said plunger element further includes means for adjusting 15 the flow of the working fluid acting on at least one of said at least one first duct and at least one second duct to adjust the rotation speed of the closing element between the at least one closing position and the at least one opening position. Preferably, in the aforementioned hinge, said adjustment means act on one of said at least one first duct and said at least one second duct, the hinge further comprising valve means operatively 20 associated with the other of said at least one first duct and at least one second duct to selectively occlude the flowing of the working fluid therethrough. Preferably, in the aforementioned hinge, said means for adjusting the flow of the working fluid comprise at least one adjustment screw inserted into said plunger element to selectively constrict the through-flow section of said at least one of said at least one first duct and at least one second duct. Preferably, in the aforementioned hinge, said at least one first duct and at least one second duct are substantially parallel to each other and to said second axis, said at least one adjustment screw being transversely inserted into said plunger element with respect to s