845results about "Wing closers" patented technology

The invention discloses an automatic closing door closer which comprises a door closer body, an automatic closing device and an auxiliary closing device. The automatic closing device is connected with an output shaft on one side of the main body and comprises a mechanical locking mechanism composed of an angle cam, a sliding block and a supporting spring and a triggering mechanism composed of a swing connecting rod, an unlocking connecting rod and an electric driving mechanism with a gear motor, the output shaft is stably locked in a normally-open state, electric unlocking is achieved when fire signals are triggered, and the automatic closing device can automatically close the output shaft. And the door leaf is automatically closed by the door closer main body. The auxiliary closing device is connected with an output shaft on the other side of the main body and comprises a cam shaft with a concave part and a trigger assisting assembly composed of a roller, a piston and a pressure spring, and when the door leaf is closed to the angle smaller than the set angle, the roller falls into the concave part of the cam, and the pre-tightened spring elastic force is released to generate auxiliary torque. According to the fireproof door, the functions of normally-open locking and releasing and door closing tail section assisting are integrated, and the automatic closing reliability and the final leakproofness of the fireproof door in a fire disaster are remarkably improved.

A furniture fitting includes a first fitting part for fastening to a furniture body and a second fitting part for fastening to a movably mounted furniture part. The two fitting parts can be pivotally interconnected, and at least one of the two fitting parts is designed to be arranged in a recess in the furniture body or the movably mounted furniture part. The furniture fitting includes a fastening device for fastening the fitting part in the recess, the fastening device including a rotatably mounted actuating element and at least two fastening elements to be recessed in or pressed against a wall of the recess. A coupling device can convert a rotation of the actuating element into a recessing and / or pressing movement of the fastening elements. The actuating element and the fastening elements are arranged on the same side of the fitting part and spaced apart in a longitudinal direction.

A drive device for a hatch, in particular for a tailgate, comprising a cable, which is connected at one end to a cable pulley, which is configured to wind or unwind the cable according to the direction of rotation of the cable pulley, wherein the cable pulley is connected to a first superordinate assembly, such as a vehicle body, and which is connected at its other end to a second superordinate assembly, such as the hatch, which is pivotably attached relative to the first superordinate assembly, comprising an actuator, which is configured to drive the cable pulley, wherein the drive device furthermore comprises at least one deflection unit which has a deflection roll over which the cable runs between the cable pulley and the hatch.

A hinge for dishwasher doors, including a first element and a second element pivoted together and mutually movable in a tilting fashion, the first and second elements being fixable one to a frame and the other to a door of an electrical appliance to make the door movable with respect to the frame between a closed position and an open position, a lever connecting the first and the second element, an elastic element connected to the lever and capable of generating, with its own deformation, an elastic reaction force capable of at least partially compensating for the weight of the door during its opening or closing, as well as means for regulating the intensity of this elastic reaction force.

A wire-rope-system includes a guide-cylinder, compression-spring, plunger and wire-rope for reducing a tailgate's opening-speed in a vehicle / trailer having a side-board-wall-or-tailgate. The guide-cylinder arranged within the sideboard-wall-or-tailgate has front-end-and-back-end-portions. The compression-spring arranged within the guide-cylinder has front-and-back-ends. The compression-spring's front-end attaches to the guide-cylinder's front-end-portion and its back-end attaches to the plunger that moves axially within the guide-cylinder. The wire-rope extends through the front-end-portion's opening, and has backend-and-front-ends attached to the plunger and the side-board-wall-or-tailgate. The plunger's slide-membrane's circumferential-edge abuts the guide-cylinder's inner-wall, separating the guide-cylinder's inner-space into a back-air-chamber between the slide-membrane's rear-side and guide-cylinder's back-end-portion, and into a front-air-chamber between the slide-membrane's front-side and guidecylinder's front-end-portion. The back-air-chamber's air-flow-regulating-opening connects to the guide-cylinder's exterior-side. The slid-membrane's configuration blocks / reduces movement towards the front-end-portion and air-flow between the front-air-chamber's circumferential-edge and the guide-cylinder's inner-wall to the back-air-chamber, damping the wire-rope's movement and reducing the tailgate's opening-speed.

A slow open hinge assembly for an associated appliance door includes an arm and a channel including a first end that is pivotally connected to the arm at a first location for pivoting about a first pivot axis. A slide link includes an inner end that is pivotally connected to the arm at a second location for pivoting about a second pivot axis that is offset from the first pivot axis. A fluid damped spring rod assembly includes a cylinder body supported on the channel and includes a spring-biased piston rod assembly engaged with the slide link. A control spring assembly can be connected to the channel and includes a reciprocally movable spring rod assembly including a follower, wherein the follower is engaged with a cam profile defined by a contoured edge of the arm for some but not all angular positions of the channel relative to the arm.

A home appliance includes a cabinet providing a forward-opening storage compartment, a door rotatably provided at the front of the cabinet to open and close the storage compartment, a hinge fixed to the cabinet, the hinge including a hinge shaft rotatably supporting the door and a reference pin spaced from the hinge shaft, and an auto-closing device providing force to the door in a closing direction, the auto-closing device includes a lever that is rotatably coupled to the auto-closing device, receives torque from the auto-closing device, and includes a slit into which the reference pin is inserted. The slit includes a first region in which the reference pin is positioned in a state in which the door is closed and extending rearward with increasing distance from the rotation center of the lever.

A self-closing door assembly for limiting access to goods displayed on a shelving system. A frame assembly is attached to the shelving system adjacent the front edge of a first shelf, with upper and lower guide rails to slidably engage a pair of overlapping and self-closing doors. The door are aligned to laterally slide open from a closed position at which they interfere with manual access to the goods displayed on the shelf. Springs disposed between the frame assembly and the doors urge the doors toward the closed position. The doors are adapted for manual engagement to be urged toward the open position, and the springs automatically return the doors to the closed position upon manual release thereof.

A furniture drive includes a carrier and an actuating arm assembly arranged on the carrier and including a movably-supported actuating arm. The furniture drive also includes a spring device for applying a force to the actuating arm assembly, the spring device being connected to the actuating arm assembly via an engagement location, a transmission mechanism for transmitting a force of the spring device to the actuating arm assembly, and an adjustment device including a rotatably-supported adjustment element. A relative position of the engagement location can be adjusted by a rotation of the adjustment element. The furniture drive further includes an overload safety device configured to couple the adjustment element with the transmission mechanism upon rotation of the adjustment element with torque below a predetermined torque, and to decouple the adjustment element from the transmission mechanism upon rotation of the adjustment element with torque above the predetermined torque.

A retracting and extending device for sliding doors or drawers includes a housing in which at least one retracting device having a combined acceleration and deceleration device is arranged and in which at least one extending device is arranged. The retracting device and the extending device can be coupled together by means of at least one switchable axial coupling on the basis of the stroke range. A carriage includes such a retracting and extending device. A door guide rail includes a carriage inserted therein. The retracting and extending device has a second retracting device arranged in the aforementioned housing. The combined acceleration and deceleration device is both a part of the first retracting device and a part of the second retracting device. The compact retracting and extending device enables an expanded range of possible applications.

A lift device includes a base, a mast assembly including a first mast section coupled to the base and a second mast section configured to move vertically relative to the first mast section, a platform assembly pivotally coupled to the second mast section, a guardrail assembly, a pivot assembly pivotally coupling the guardrail assembly to the second mast section, and a link arm pivotally coupled between the pivot assembly and the platform assembly, wherein the link arm links pivotal movement of the platform assembly to pivotal movement of the guardrail assembly so that the platform assembly and the guardrail assembly simultaneously pivot between a working position and a folded position.

Disclosed are a self-opening cover system, a battery case, and an electric vehicle. The self-opening cover system includes a cover configured to cover an opening, a cover support configured to support the cover and provided with a socket, and an operating device provided in the cover support and configured to drive the cover to open the opening when a guide pin is inserted into the socket and to drive the cover to cover the opening when the guide pin is withdrawn from the socket. The cover can automatically cover and open the opening by the operating device, so rain or dust can be prevented from entering the opening when a battery is replaced.

The invention relates to a hinge assembly designed to prevent uncontrolled slamming of cabinet doors.

The utility model provides an electric hinge and an electric door and a steaming oven comprising the electric hinge, the electric hinge comprises a transmission assembly, the transmission assembly comprises a first connecting rod and a second connecting rod, the electric hinge further comprises a flexible connecting part, the first connecting rod and the second connecting rod are connected through the flexible connecting part, and the first connecting rod is connected with the second connecting rod through the flexible connecting part. The electric hinge further comprises a damping part, one end of the damping part is arranged on a support of the electric hinge, an output shaft of the damping part is hinged to the second connecting rod, and when the electric hinge is locked, the output shaft of the damping part provides resistance larger than reset elastic force of the electric hinge. And the resistance is smaller than the reset pulling force of the electric hinge. According to the electric hinge, the damping part is arranged and used for absorbing kinetic energy of the second connecting rod, so that the second connecting rod and the first connecting rod cannot directly abut against each other, and the situations of pause, collision and abnormal sound occurring in the door closing process of a door body connected with the electric hinge are reduced.

The utility model discloses a single leaf protective air-tight door capable of being closed quickly, which comprises a door frame and a door body, the door body is arranged inside the door frame, a rotating rod is arranged at the right part of the rear end of the door frame, a plurality of connecting blocks are arranged on the outer surface of the rotating rod, the connecting blocks are fixedly connected with the door body, stop blocks are symmetrically arranged on the upper and lower sides of the connecting blocks, and the stop blocks are sleeved on the outer surface of the rotating rod. The outer surface of the rotating rod is sleeved with a plurality of torsion springs, one end of each torsion spring is fixedly connected with the corresponding check block, the other end of each torsion spring is fixedly connected with a connecting block, a rotating cover is installed at the upper end of the rotating rod, a rotating shaft is arranged in the rotating cover, a second motor is installed at the upper end of the rotating shaft, and a round cavity is formed in the rotating shaft. The electromagnet loses repulsive force after being powered off, the magnet loses repulsive force, the spring pushes the shifting block to ascend, the shifting block drives the roller to ascend and roll to leave the matching block, the rotating cover loses limiting force, the torsion spring resets to push the rotating rod to rotate and reset, and the door body is rapidly rotated and closed.

The present invention relates to a configuration structure (1) for guiding at least one movable furniture component (2) relative to a furniture body (3), the movable furniture component being particularly a sliding door or folding sliding door, the configuration structure comprising: at least one guiding system (4) fixed or fixable to the furniture body (3); at least one carrier (5), the at least one movable furniture component (2) being pivotally and / or hingedly mounted or mountable on the at least one carrier, and the at least one movable furniture component (2) being movable relative to the at least one guiding system (4) via the at least one carrier; and to At least one drive device (6) is provided, and the at least one carrier (5) is movable relative to the at least one guide system (4) via the at least one drive device, the at least one drive device having at least one cable (7), wherein at least one coupling device (8) is arranged on the at least one movable furniture part (2) and / or the at least one carrier (5), wherein the at least one coupling device (8) is automatically coupled to the at least one cable (7) of the at least one drive device (6) when the at least one carrier (5) is movable relative to the at least one guide system (4).

The utility model discloses a heavy buffering door closer which comprises a shell, a cavity, a rack and a hook part. A mounting groove is formed in the shell, and a top cover is arranged at the top of the shell; the cavity is formed in the shell and located on one side of the mounting groove, and a buffer is arranged in the cavity; the buffer has the advantages that the transmission gear set drives the rack and the drag hook to control the buffer to be opened and closed, the stable buffering effect can be provided in the door opening and closing process, when the door is closed, the door can be automatically, slowly and stably closed from 80 degrees, and large impact force generated when the door is rapidly closed is avoided; the maximum door opening angle of the product is limited to be 94 degrees, and the door can be freely stopped between 85 degrees and 94 degrees, so that the design can meet the use requirements of daily passage and the like; the whole transmission structure is more stable through the fact that a positioning pin connected in the shell penetrates through a plurality of driven gears, a positioning block of a driving gear is matched with a positioning part of the shell, the sliding connection effect of a tooth groove on a rack is achieved, and the like.

The utility model provides a civil air defense construction door which comprises a door leaf arranged in a rotatable mode and a push-pull mechanism used for pulling the door leaf, and the push-pull mechanism comprises an adjusting rail piece fixedly installed on a wall body, a sliding seat adjustably arranged on the adjusting rail piece and a pull rod installed on the sliding seat in a rotatable mode. The side, away from the sliding base, of the pull rod is rotationally installed on a support, and the support is fixedly arranged on the door leaf. According to the device, the door leaf is rotationally connected with the sliding seat through the pull rod, when the door leaf is opened, the sliding seat can gradually move forwards, the second clamping teeth elastically move and are sequentially clamped with the first clamping teeth in a matched mode, so that the sliding seat is prevented from moving backwards, the stability of the door leaf in the opening state is guaranteed, movement caused by collision or airflow driving is avoided, and it is guaranteed that people go out conveniently. The door leaf can be parallel to the wall body in the open state, in the forward moving process of the sliding base, the hand rod can be gradually pushed to stretch out of the inner groove space between the door leaf and the wall body, and personnel can conveniently pull the door leaf.

The utility model relates to fire engineering technical field especially fire engineering is with preventing deformation's heat -proof fire door, including door frame, still including door shell and door lock component, door frame one side fixedly connected with door shaft, door frame one side fixedly connected with door shaft, the material that this device adopts through door shell is steel sheet to improve the strength of door, prevent deformation, the material that fills the layer adopts is magnesium oxide to improve the heat -proof of door, through being provided with first fire -retardant expansion seal and second fire -retardant expansion seal on door frame and door shell, thereby the door gap is sealed, improves the leakproofness, can effectively block the flue gas, through first spring drive movable block in the inside slide of guide block, movable block drive toothed plate removal, toothed plate drive gear rotation, gear drive first rotation axis rotation, first rotation axis drive second connecting rod rotation, second connecting rod drive first connecting rod in the inside rotation of fixed block, thereby the door shell is automatically closed, prevents the fire, flue gas spreads.

The utility model relates to the technical field of fire-fighting smoke exhaust windows, and provides an unpowered heat and smoke exhaust window which comprises a window body auxiliary frame, an upper window sash and a lower window sash are arranged on the window body auxiliary frame, the upper window sash is a bottom-hung window, a temperature sensing pushing assembly is arranged on the window body auxiliary frame and used for making contact with the upper window sash and pushing the upper window sash out in the case of a fire, and a rear supporting assembly is arranged on the window body auxiliary frame and used for supporting the lower window sash in the case of a fire. The rear supporting assembly is detachably connected with the adjusting assembly, the adjusting assembly is arranged on the window auxiliary frame, a temperature sensing pulling assembly is arranged in the adjusting assembly, the temperature sensing pulling assembly is connected with the upper window sash and used for pulling the upper window sash to reset after a fire disaster is finished, and the window auxiliary frame is connected with the upper window sash through the auxiliary supporting assembly. And a clamping assembly is arranged between the window body auxiliary frame and the upper window sash for mutual clamping. According to the utility model, the window body can be opened and closed only according to the temperature change of smoke without electric drive, so that the situation that the window body cannot be opened and the smoke cannot be discharged due to power interruption in a fire disaster is avoided, and the practicability is improved.

The invention relates to an adjustment device (14) for a movable element (12) with at least one adjustment element (16, 18) pivotally connected to the element (12) for adjusting it, wherein the at least one adjustment element (16) comprises at least one spring element (24) and two guide elements (26, 28) that are telescopically extendable relative to each other. According to the invention, one or more absorption elements (76, 78) are provided, which are designed to absorb the kinetic energy of the adjustment element (16) in the event of an overload, in particular an overload occurring at an end stop. The invention further relates to an arrangement (10) with a movable element (12) and an adjustment device (14) associated with the movable element (12).

A door closer comprising a hydraulic damping assembly in which an adjuster, for adjusting a damping action of the hydraulic assembly in a door closing motion, is located at one end of a fluid-filled chamber. The adjuster comprises a head part comprising first and second members assembled together with an elongate adjuster bore extending through the first and second member. The elongate adjuster bore comprises an annular recess containing an annular lip seal member. A rotatable elongate valve member is received within the elongate adjuster bore. The rotatable elongate valve member comprises a sealable portion which extends through, and is sealingly engaged by, the annular lip seal member. A needle valve element extends along a restrictor valve region of the elongate adjuster bore. Rotation of the rotatable valve member is configured to adjust a maximum rate of hydraulic fluid flow between first and second chambers of the hydraulic damping assembly.

A hinge for the controlled movement of a closing element, for example a door, a door leaf or the like, anchored to a stationary support structure, for example a frame or counter-frame or a floor. The hinge comprises a hinge body (10) and a pivot (20) which coaxially and rotationally coupled to each other to mutually rotate around an axis (X) between an open position and a closed position of the closing element. The hinge body (10) internally includes a working chamber (11) which comprises at least one first and one second actuator element (50, 60) which are mutually in contact with each other and elastic counteracting means (17). The first and the second actuator element (50, 60) are mutually coupled to each other and integrally joined respectively to the one and to the other hinge body (10) and pivot (20) to mutually move away along the axis (X) upon the mutual rotation of the latter to load the elastic counteracting means (17).

The utility model relates to the technical field of hydraulic transmission parts in ground spring door control system discloses three -segment type variable curvature cam ground spring hydraulic transmission assembly, including the shell, the inside fixed connection of shell has the bearing, the inside fixed connection of bearing has the connecting rod, the outer wall fixed connection of connecting rod has the disc, the inside of shell is provided with resistance assembly, the upper surface of shell is provided with the apron, the inside of apron is provided with screw nail, the lower surface rotation is connected in the inside of shell of disc, the outer wall screw thread connection in the inside of shell of screw nail. In the utility model, in the utility model, through pushing the door and driving the connecting rod rotation, the connecting rod drives disc 4 rotation, disc pushes the gyro wheel rotation, gyro wheel drives the pressure rod and makes second spring contract or release the elastic force, thereby reaches the effect that the curvature of disc 4 gradually changes according to the door body opening angle.

A hinge (1) for furniture optimized for opening, comprising – a first articulated quadrilateral (2), comprising a coupling element (3) which is associable with a fixed wall (100), a first portion (4a) of a first lever (4) and a third lever (5) which are associated with the coupling element (3), and a first portion (6a) of a second lever (6), which is interposed between the preceding ones and is articulated to them, – a second articulated quadrilateral (11), comprising a fixing element (12) which is associable with a movable door (200), a second portion (6b) of the second lever (6) and a fourth lever (13) which are associated with the fixing element (12) and a second portion (4b) of the first lever (4), which is interposed between the preceding ones and is articulated to them, – first elastic compression means (17), which are functionally associated with the first quadrilateral (2), and – second elastic compression means (18), which functionally associated with the second quadrilateral (11), the hinge (1) comprises an element (19) for the abutment of the first elastic means (17), which is associated with the third lever (5) so that it can tilt about a first oscillation pivot (20), the first elastic means (17) comprise at least one first elastic compression element (21), the mutually opposite ends of which are associated with the abutment element (19) and with the coupling element (3), and at least one second elastic compression element (22), the mutually opposite ends of which are associated with the abutment element (19) and with the third lever (5), the first and second elastic elements (21, 22) being associated with the abutment element (19) on opposite sides of the first pivot (20).

A home appliance according to the present disclosure comprises: a cabinet providing a storage chamber opened to the front; a door rotatably provided in front of the cabinet to open and close the storage chamber; a hinge fixed to the cabinet and including a hinge shaft rotatably supporting the door and a reference pin spaced apart from the hinge shaft; an auto-closing device providing force to the door in a direction in which the door is closed; and a lever rotatably coupled to the auto-closing device to receive torque from the auto-closing device and including a slit into which the reference pin is inserted. The slit includes a first region in which the reference pin is located in a state in which the door is closed, and the first region extends rearward as the distance from the center of rotation of the lever increases.

The utility model discloses a nylon hinge convenient for adjusting torsion of a spring. The nylon hinge is characterized by further comprising an adjusting device which is arranged in a first hinge seat and a second hinge seat and enables the first hinge seat and the second hinge seat to be automatically opened or closed by adjusting the torsion; the adjusting device comprises limiting sleeves arranged in the two ends of the first hinge base and the two ends of the second hinge base, a positioning sleeve, a rotating rod penetrating through the limiting sleeves and used for adjusting torsion, and a torsional spring with one end connected with the rotating rod and the other end connected with the positioning sleeve. When the rotating rod rotates, the torsion spring is driven to deform, the larger the rotating rod rotates, the larger the deformation of the torsion spring is, and the larger the torsion between the first hinge seat and the second hinge seat is, so that the larger the opening and closing force of a part which is connected with the first hinge seat and the second hinge seat and needs to rotate is; the requirements on the opening and closing force of the hinge in different use scenes can be met.

The utility model relates to door box equipment which can realize full-angle automatic door opening and closing and improve user experience. The door box device comprises a box body frame; the door body assembly comprises a door main body, a linear driving mechanism mounted on the door main body and a balancing weight which is arranged on the door main body in a sliding manner and is in driving connection with the linear driving mechanism; the hinge spring assembly comprises a hinge assembly, a pull rope and a spring, the hinge assembly enables the door body assembly to be rotatably installed on the box body frame, the pull rope is connected with the door body assembly, the spring is connected with the box body frame, and the spring is connected to the pull rope and used for applying tension moment opposite to the gravity moment of the door body assembly to the door body assembly; when the balancing weight is driven by the linear driving mechanism to slide relative to the door body, the gravity center position of the door body assembly is adjusted, so that the gravity moment of the door body assembly is larger than, equal to or smaller than the tension moment applied to the door body assembly by the hinge spring assembly.

Disclosed is a door hinge, comprising: a fixed body that is provided with a first connecting shaft and a second connecting shaft along the lengthwise direction therein; a linkage assembly of which both ends are respectively hinged to the fixed body and a movable body; the movable body that is provided with a sliding block capable of sliding along the depth direction of the movable body therein, one end of the sliding block being hinged to one end of the linkage assembly, and a straight track surface and an inclined track surface inclined towards the interior of the sliding block being provided at one side of the sliding block; and a self-closing mechanism that is provided on the side of interior of the movable body close to the straight track surface, has a telescopic structure, and has one end abutting against the side surface of the sliding bock. When an end portion of the self-closing mechanism abuts against the inclined track surface, the sliding block is driven to slide towards the interior of the movable body. The door hinge is a concealed hinge and also has a self-closing function.