A hinge device for rotatably moving a closing element includes a fixed element anchorable to a stationary support structure coupled to a movable element anchorable to the closing element for rotating around a first longitudinal axis between an open position and a closed position. The device further
A hinge device for rotatably moving a closing element includes a fixed element anchorable to a stationary support structure coupled to a movable element anchorable to the closing element for rotating around a first longitudinal axis between an open position and a closed position. The device further includes at least one slider movable along a second axis between a compressed and an extended position. One between the movable element and the fixed element includes at least one operating chamber defining the second axis so as to slidably house the slider, the other element including a pivot defining the first axis. The pivot and the slider are reciprocally coupled so that to the rotation of the movable element around the first axis corresponds the sliding of the slider along the second axis and vice versa.
대표청구항▼
1. A hydraulic damping hinge to control an opening or closing rotating movement of a closing element anchored to a stationary support structure, the hydraulic damping hinge comprising: a fixed element configured to be fixed to the stationary support structure;a movable element configured to be fixed
1. A hydraulic damping hinge to control an opening or closing rotating movement of a closing element anchored to a stationary support structure, the hydraulic damping hinge comprising: a fixed element configured to be fixed to the stationary support structure;a movable element configured to be fixed to the closing element, the movable element and the fixed element being mutually coupled such to rotate around a longitudinal axis between an open position and a closed position, one of the movable element or the fixed element comprising a box-shaped hinge body including a working chamber defining the longitudinal axis, the other one of the movable element and the fixed element including a pivot coaxial to the longitudinal axis; anda slider slidably movable within the working chamber between a retracted end position and an extended end position, the pivot and the slider being telescopically coupled to each other such that a rotation of the movable element around the longitudinal axis corresponds to a sliding of the slider along the longitudinal axis and the sliding of the slider corresponds to the rotation of the movable element around the longitudinal axis,wherein the pivot includes a cylindrical portion having a plurality of substantially equal grooves angularly spaced at 180°, each of the grooves including a helical portion wound around the longitudinal axis, the grooves being communicating with each other to define a single guide element passing through the cylindrical portion,wherein the slider includes an elongated body with a first end which comprises a pin transversely inserted through the single guide element to slide therein, such to allow a mutual engagement of the cylindrical portion with the elongated body, the elongated body of the slider including a second end slidably moving between a position proximal to the cylindrical portion of the pivot, corresponding to the retracted position of the slider, and a position distal from the cylindrical portion of the pivot, corresponding to the extended position of the slider,wherein the slider further includes a plunger element movable into the working chamber along the longitudinal axis, the working chamber containing a working fluid acting on the plunger element to hydraulically counteract an action thereof, the plunger element being adapted to separate the working chamber into a first and a second variable volume compartments fluidically communicating with each other,wherein the plunger element has a head which includes a valve member allowing passage of the working fluid between the first compartment and the second compartment during an opening of the closing element and to prevent a backflow of the working fluid during a closing of the closing element, a hydraulic circuit being provided for a controlled backflow of the working fluid between the first compartment and the second compartment during the closing of the closing element to hydraulically damp a closing action thereof, andwherein the hydraulic damping hinge is free of elastic members adapted for returning the a slider from one of the retracted or extended end positions toward the other one of the retracted or extended end positions. 2. The hydraulic damping hinge according to claim 1, wherein the hinge body includes at least partially the hydraulic circuit, the hydraulic circuit including a first opening for the working fluid which is in the first compartment and a second opening for the working fluid which is in the second compartment. 3. The hydraulic damping hinge according to claim 2, wherein the plunger element is in a spaced relationship with the working chamber and the first and second openings such to remain fluidly uncoupled from the first opening during an entire stroke of the plunger element, the box-shaped hinge body having a first adjustment member with a first end interacting with the first opening and a second end operable by a user from outside to adjust flow speed of the working fluid flowing through the hydraulic circuit, thereby adjusting a damping effect of the hydraulic damping hinge. 4. The hydraulic damping hinge according to claim 2, wherein the first and second compartments are configured to have at the closed position of the closing element respectively maximum and minimum volumes, the valve member being configured to allow the passage of the working fluid from the first compartment to the second compartment during the opening of the closing element and to prevent the backflow thereof during the closing of the closing element, the second opening being an inlet for the working fluid, the first opening being an outlet for the working fluid. 5. The hydraulic damping hinge according to claim 1, wherein the valve member is of a one-way normally closed type. 6. The hydraulic damping hinge according to claim 5, wherein the valve member includes a disc inserted with minimum clearance in a receptacle to axially move along the longitudinal axis, a counteracting spring being provided acting on the disc to maintain it closed during normal operation, the valve member interacting with an opening which puts the first and second compartments in fluid communication. 7. The hydraulic damping hinge according to claim 1, wherein the plunger element is inserted with clearance in the working chamber, an interspace between the head of the plunger element and an inner surface of the working chamber defining the hydraulic circuit. 8. The hydraulic damping hinge according to claim 1, wherein the pin has a portion sliding into a respective groove, the pin having an outer diameter substantially equal to a width of the respective groove. 9. The hydraulic damping hinge according to claim 1, wherein the single guide element is closed at both ends, thereby defining a closed path having two blocking end points for the pin sliding therethrough, the closed path being defined by the grooves. 10. The hydraulic damping hinge according to claim 1, wherein the helical portion extends for at least 180° along the cylindrical portion, the slider further comprising a tubular bushing having a plurality of cam slots coaxially externally coupled to the pivot such that the pin operatively engages the cam slots. 11. The hydraulic damping hinge according to claim 1, wherein the movable element includes the pivot, the fixed element including the working chamber. 12. The hydraulic damping hinge according to claim 1, wherein said slider is rotatably blocked in said working chamber to avoid rotation around said longitudinal axis during the sliding of the slider between said retracted and extended end positions. 13. The hydraulic damping hinge according to claim 1, wherein said helical portion is right-handed. 14. The hydraulic damping hinge according to claim 1, wherein said helical portion extends for at least 90° along said cylindrical portion. 15. The hydraulic damping hinge according to claim 1, wherein said helical portion extends for 180° along said cylindrical portion. 16. The hydraulic damping hinge according to claim 1, wherein said single guide element includes a single helical portion having constant slope. 17. The hydraulic damping hinge according to claim 1, wherein said helical portion has a pitch between 20 mm and 100 mm. 18. The hydraulic damping hinge according to claim 1, wherein said helical portion has a pitch between 30 mm and 80 mm. 19. A hydraulic damping hinge to control an opening or closing rotating movement of a closing element anchored to a stationary support structure, the hydraulic damping hinge comprising: a fixed element fixable to the stationary support structure;a movable element configured to be fixed to the closing element, the movable element and the fixed element being mutually coupled such to rotate around a longitudinal axis between an open position and a closed position, one of the movable element or the fixed element comprising a box-shaped hinge body including a working chamber defining the longitudinal axis, the other one of the movable element and the fixed element including a pivot coaxial to the longitudinal axis;a slider slidably movable within the working chamber between a retracted end position and an extended end position, the pivot and the slider being telescopically coupled each other such that a rotation of the movable element around the longitudinal axis corresponds to the sliding of the slider along the longitudinal axis and the sliding of the slider corresponds to the rotation of the movable element around the longitudinal axis; anda restoring elastic member acting on the slider for returning the slider from one of the retracted or extended end positions toward the other one of the retracted or extended end positions, the restoring elastic member being configured to slidably move along the longitudinal axis between a maximum elongation position and a minimum elongation position,wherein the pivot includes a cylindrical portion having a plurality of substantially equal grooves angularly spaced at 180°, each of the grooves including a helical portion wound around the longitudinal axis, the grooves being communicating with each other to define a single guide element passing through the cylindrical portion,wherein the slider includes an elongated body with a first end which comprises a pin transversely inserted through the single guide element to slide therein, such to allow a mutual engagement of the cylindrical portion and the elongated body,wherein the slider further includes a plunger element movable into the working chamber along the longitudinal axis, the working chamber containing a working fluid acting on the plunger element to hydraulically counteract an action thereof, the plunger element being adapted to separate the working chamber into a first and a second variable volume compartments fluidically communicating with each other, andwherein the plunger element has a head which includes a valve member allowing passage of the working fluid between the first compartment and the second compartment during an opening of the closing element and to prevent a backflow of the working fluid during a closing of the closing element, a hydraulic circuit being provided for a controlled backflow of the working fluid between the first compartment and the second compartment during the closing of the closing element to hydraulically damp a closing action thereof. 20. The hydraulic damping hinge according to claim 19, wherein the elongated body of the slider includes a second end slidably moving between a position proximal to the cylindrical portion of the pivot, corresponding to the retracted position of the slider, and a position distal from the cylindrical portion of the pivot, corresponding to the extended position of the slider, the maximum elongation position of the restoring elastic member corresponding to the extended end position of the slider, the minimum elongation position thereof corresponding to the retracted end position of the slider, the restoring elastic member being interposed between the cylindrical portion of the pivot and the second end of the slider such that the cylindrical portion of the pivot is in a position of minimum elongation when the second end of the slider is in the retracted end position and in a position of maximum elongation when the slider is in the extended end position.
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이 특허에 인용된 특허 (8)
Idler Richard L. (Denver CO), Cam actuated self-locking hinge.
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