WO2004074617A1 - Dispositif de surete pour les gonds d'une porte de cabinet - Google Patents

Dispositif de surete pour les gonds d'une porte de cabinet Download PDF

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Publication number
WO2004074617A1
WO2004074617A1 PCT/BR2004/000012 BR2004000012W WO2004074617A1 WO 2004074617 A1 WO2004074617 A1 WO 2004074617A1 BR 2004000012 W BR2004000012 W BR 2004000012W WO 2004074617 A1 WO2004074617 A1 WO 2004074617A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
hinge
displaced
safety device
cabinet
Prior art date
Application number
PCT/BR2004/000012
Other languages
English (en)
Inventor
Marcos Heinzle
Original Assignee
Multibrás S.A. Eletrodomésticos
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Multibrás S.A. Eletrodomésticos filed Critical Multibrás S.A. Eletrodomésticos
Publication of WO2004074617A1 publication Critical patent/WO2004074617A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/48—Suspension arrangements for wings allowing alternative movements
    • E05D15/50—Suspension arrangements for wings allowing alternative movements for opening at either of two opposite edges
    • E05D15/505—Suspension arrangements for wings allowing alternative movements for opening at either of two opposite edges by radial separation of the hinge parts at the hinge axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/024—Door hinges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/006—Safety devices

Definitions

  • the present invention refers to a safety lock to be applied to a hinge arrangement for the opening and closing of a cabinet door of refrigeration appliances or the like, from either the right side or the left side of the door.
  • a hinge arrangement for the cabinet door of a refrigeration appliance which allows the opening and closing of the door from either side thereof and comprising four hinge seats, generally in the form of slots provided- in plates which are each horizontally affixed close to each of the upper and lower ends of the door or cabinet and close to the right and left end portions thereof.
  • a vertical hinge pin which is secured to the other of said parts defined by the door and the cabinet, upon the closing of the respective door side.
  • a lock slider generally in the form of an elongated bar which is guided in that door or cabinet part which sustains the hinge seats, so as to be linearly displaced in opposite directions, from a closed door median position, towards one or the other side of the door or cabinet .
  • the opposite ends of the lock slider are provided with respective cam portions which are arranged so that the lock slider is displaced, by the hinge pin at the opening side of the door, towards the other side, in order to lock the hinge pin of this other side inside the respective hinge seat.
  • the lock slider is automatically and immediately forced to move towards the other side, locking the hinge pin of this other side and preventing the door from being detached from the cabinet while it is maintained open.
  • the lock slider is medianly provided with a V-shaped marginal cut so as to operate jointly with a positioning pin which is mounted to be pressed, by contact with the other door or cabinet part, against the V-shaped cut, when the door reaches a position immediately anterior to the closing thereof.
  • the positioning pin begins to press one of the inclined walls of the V-shaped cut, forcing the lock slider to the median position and allowing, with the full closing of the door, the hinge pins to be adequately locked in their respective hinge seats by the cam portions at the opposite ends of the lock slider, preventing the door from being detached from the cabinet .
  • the locking of the hinge pins is guaranteed by the lock slider in the open door condition, with no possibility of the door falling down, since its opening from either of its sides is only possible as a function of the dimensioning of the lock slider, with the displacement of the latter to the other side to a condition in which the hinge pin is mandatorily locked to said other side.
  • the safety device proposed in said prior document comprises, at each hinge point of the door, stop means which are respectively affixed to the door and to the cabinet and which cooperate with each other at the hinge side of the door, from a certain opening degree of the latter from the other side, in order to prevent the hinge pin under operation from being removed from its hinge seat, regardless of the positioning of the lock slider.
  • the present safety device is applied to a hinge arrangement for a cabinet door, comprising: a pair of hinge seats affixed close to each of the upper and lower ends of one of the parts defined by the door and the cabinet, symmetrically in relation to the center line of the latter, at their right and left end portions, respectively; hinge pins affixed to the other part defined by the door and the cabinet and to be each fitted in a respective hinge seat upon the closing of the respective side of the door; a lock slider mounted to each one of the upper and lower ends of the door or cabinet part that carries the hinge seats and which can be displaced in opposite directions from a median position, said lock slider being provided, at its opposite ends, with cam portions which are arranged so that in the initial opening phase of the door at one side, the hinge pin of this side actuating on the adjacent cam portion causes the displacement of the lock slider to lock the hinge pin of the other side of the door in the interior of the respective hinge seat .
  • the safety device comprises a stop means incorporated to each hinge seat and which can be displaced between an inoperative position, which is reached upon the closing of the respective side of the door and in which said stop means allows the lock slider to be displaced to a locking position of the respective hinge pin, and an operative position, which is reached after a certain initial opening degree of the respective door side and in which said stop means prevents the lock slider, which is found displaced to a locking position of the opposite hinge pin, from being displaced to an unlocking position of the latter.
  • each stop means is constantly and resiliently forced to its operative position and displaced to the inoperative position by actuation of a respective drive means operated upon the closing of the respective side of the door.
  • the upper and lower stops means of the other side of the door are maintained in their inoperative position, by action of the respective hinge pins, in which they allow the upper and lower lock sliders to remain locking the hinge pins of the closed side of the door, while the upper and lower stop means of the side of the door being opened are liberated to be resiliently displaced to the operative position, preventing the lock sliders from being displaced back to the unlocking position of the hinge pins under operation, even if the lock slider is unduly forced to move to its median position, from which said non-opened side of the door can be detached from the cabinet if pulled by the user.
  • Figure 1 is a schematic upper plan view of the lower hinge arrangement of the present invention, with the door in the closed position;
  • Figure 2 is an enlarged detail of part of figure 1, with the lock slider being partially cut at the end turned to the side of the door that will be maintained articulated to the cabinet in a desired opening operation, for better illustrating the positioning of the respective stop means;
  • Figure 3 is a similar view to that of figure 1, but with the door partially open;
  • Figure 4 is a similar view to that of figure 2, but illustrating the same elements in the already open door condition;
  • Figure 5 is a similar view to that of figure 4, but illustrating the opposite end of the partially open door;
  • Figure 6 is a partially cut perspective view of a support plate, illustrating the respective stop means in the operative position, actuating against the adjacent end of the lock slider;
  • Figure 7 is a schematic partial vertical sectional view of a hinge seat provided at one of the upper sides of the door or the cabinet, illustrating the respective stop means in the operative position and the respective hinge pin in a still open door position at the respective cabinet side.
  • Figure 8 is a similar view to that of figure 7, but illustrating the same stop means displaced to the inoperative position by actuation of the hinge pin upon the closing of the door;
  • Figure 9 is a perspective view of one of the lower hinge seats operating as stop means in the inoperative position, with the lock slider in the door closed median position on both sides;
  • Figure 10 is a similar view to that of figure 9, but illustrating the lock slider in a hinge pin locking position at said side of the door and in the hinge pin release position at the opposite side;
  • Figure 11 is a similar view to that of figure 10, but illustrating the lock slider in an opposite limit position, liberating the stop means to return to the operative position upon the opening of the door at this same cabinet side.
  • the present hinge arrangement is particularly adequate to provide the coupling of doors, presenting an automatically reversible opening, to the cabinets of refrigerators or freezers.
  • the arrangement considered herein is of the type comprising four hinges on each door P, which are arranged in pairs in the upper part and in the lower part of the door P, the hinges of each pair being provided close to the right and left end portions of the door, respectively, and symmetrically in relation to the longitudinal axis of the door P or of the front face of the cabinet G.
  • Each of said hinges comprises a hinge seat 10 which takes the form of a slot provided in a seat plate 1, horizontally affixed to the upper and lower ends of the door P or the cabinet G, said slot presenting an open end portion 11 turned to the front face of the cabinet G and a closed end portion 12, opposite to the open end portion 11 and in the form of a semicircle projecting from the lateral edges of the slot and whose radius is slightly larger than that of a respective hinge pin 20, which defines the other element of each hinge and which is affixed to the other part defined by the door P or the cabinet G, so as to be fitted in a respective hinge seat 10 upon the closing of the door, as illustrated in figures 1 and 2.
  • each hinge pin 20 inside the respective hinge seat 10 is made by the displacement of the former along the slot which defines the hinge seat 10.
  • a lock slider 30, generally in the form of an elongated bar which is disposed parallel to the closing face plane of the part which carries it, so as to be capable of being linearly displaced in opposite directions and from a median position corresponding to a closed door position (figures 1 and 2) .
  • Each end of the lock slider 30 is shaped to define a cam portion 31 in the form of an inclined slope, which remains seated against the respective hinge pin 20 in the door closed condition, as illustrated in figures 1 and 2.
  • the two opposite cam portions 31 will prevent the hinge pins 20 fitted into the respective hinge seats 10 from being released.
  • the user In order to open the door P, the user needs only to pull one of its sides away from the cabinet G, making the force of the two hinge pins 20 of said door side, exerted on the adjacent cam portions 31 of the two lock sliders 30, to cause the linear displacement of the latter towards the other side of the door-cabinet assembly, so that a locking portion 32 of the two lock sliders 30 is conducted to be positioned against the respective hinge pins 20, locking them against liberation from the respective hinge seats 10 and consequently maintaining the door P articulated to the cabinet G during its opening.
  • each pair of hinge seats 10 is generally provided in a frame, at least partially tubular and in which a respective lock slider 30 is guided.
  • This frame is preferably mounted to the upper and lower end portions of the door P, however, it should be understood that the mounting of the assembly formed by a pair of hinge seats 10 and by a lock slider 30 could equally be made at the upper and lower ends of the cabinet G, and in this case the hinge pins 20 are affixed to the door P.
  • the hinge pins 20 are affixed to the cabinet G, while the hinge seats 10 and the two lock sliders 30 are mounted to the door P, the description below being directed to this mounting option.
  • the lock slider 30 In order to allow the lock slider 30 to automatically and safely return to the median position after the closing of the door P, in which its cam portions 31 are again positioned against the respective hinge pins 20, it is medianly provided, in its longitudinal side turned to the front face of cabinet G, with a V-shaped cut 33, against which will be pressed a positioning pin 40, which in the illustrated embodiment is mounted to the guide frame of the lock slider 30 in an axially displaceable manner.
  • the positioning pin 40 touches a surface of the cabinet at the end of the closing movement, so that, as soon as the cam portion 31 of the open end of the lock slider 30 reaches, together with the door, a position that is posterior to the fitting of the adjacent hinge pin 20 in the respective hinge seat 10, said positioning pin 40 forces the lock slider 30 back to the median position, resetting it to a new opening of the door from either of the right and left sides thereof.
  • positioning pin 40 be mounted in an axially sliding manner to the part that carries the hinge seats 10 and the lock sliders 30, it should be understood that said positioning pin 30 could be affixed to the other of said parts defined by the cabinet G and- the door P.
  • each end of the lock slider 30 is further provided with a slope 36, arranged on the longitudinal side provided in the V-shaped cut 33 and which, by- touching a hinge pin 20 upon the closing of the respective side of the door P, forces the lock slider 30 to be displaced to the other side, allowing its passage by said hinge pin 20. Subsequently, the positioning pin 40, upon touching the other part of the door-cabinet assembly, forces the lock slider 30 to move back to the median position.
  • the hinge is further provided with a safety device which comprises a stop means 70, incorporated to each hinge seat 10, so as to operate jointly with the latter, being displaced between an operative position and an inoperative position, as described below.
  • each stop means 70 comprises a button 71 which is slidingly mounted in a housing 13 provided in the structure of the door P or in the seat plate 1 that carries the pair of hinge seats 10 at one of the upper and lower ends of the door P.
  • Each housing 13 is vertically aligned with a respective hinge seat 10 and projects to the interior of the door P, from the plane of the hinge seat 10, as better illustrated in figures 2, 4, 5 and 11.
  • each button 71 is made in such a way as to allow it to be vertically displaced between an inoperative position, illustrated in figures 8-10, in which it remains lodged inside the housing 13, in a position internal to the plane of linear displacement of the lock slider 30, allowing the latter to be displaced to a locking position of the respective hinge pin 20, when the door P is closed at both sides or only at the side in which said locked hinge pin 20 is found operative.
  • buttons 71 are displaced to an inoperative position, housed inside the respective housing 13 or simply spaced back in relation to the operational displacement path of the respective lock slider 30, when the door P is found closed at both sides, allowing the lock slider 30 to be taken to the median position, by action of the positioning pin 40, remaining in conditions to be displaced to one side, to lock the hinge pin on this side, when the door is opened by the other side.
  • the upper and lower buttons 71 of the opening side are conducted to the operative position, projecting partially outwardly from the respective housings 13 and towards the interior of the adjacent hinge seats 10, in order to be positioned in the path of the respective lock sliders 30, which with the beginning of the effective opening of the door P, are fully displaced to the opposite side, so as to lock the hinge pins 20 which maintains the door P articulated.
  • the latter are constantly resiliently forced to the operative position, preferably by a spring element 75 mounted in the interior of the housing 13, the displacement of the buttons 71 to the inoperative position being achieved against the action of the respective spring elements 75.
  • the housing 13 is provided with a limiting step 13a, against which is seated a tab 70a incorporated to the button 71, when the latter reaches the operative position.
  • the stop means 70 in other manners, such as for example in the form of elements that are resiliently deformable to the inoperative position.
  • the spring element 75 is incorporated to the button 71, forming a single piece therewith.
  • the button 71 is provided with an end portion, defining a slope 72 on which actuates a drive element attached to the cabinet G and which, in the illustrated embodiment, takes the form of the hinge pin 20 itself, as shown in figures 7 and 8.
  • the drive element of the stop means could be defined by any other element carried by one of the parts defined by the cabinet G and the door P and which acts on the stop means 70, conducting it to the inoperative position whenever the respective side of the door P reaches a closed or almost closed condition.
  • the respective hinge pins 20 (or other corresponding drive elements) actuate on the slope 72 of the (upper and lower) buttons 71, initiating the displacement of the latter to the inoperative position, until the final closing of the side of the door P has been reached, when the buttons 71 reach the inoperative position (see figure 8) , allowing both the (upper and lower) lock sliders 30 to be displaced to the median position by actuation of the upper and lower positioning pins 40.
  • the constructive solution proposed herein allows providing the present reversible hinge system with the necessary operational safety to avoid the door from being unduly released from the cabinet, without requiring changes or reinforcements in the hinge means, which can be maintained with a simple design and not vulnerable to the wear of the elements during the useful life of the equipment.
  • the present hinge arrangement could be further provided with a support element to support the weight of the door P in the final closing phase and which is preferably affixed to the cabinet G, in order to cooperate with a lower surface portion of the door P, from a certain closing condition of the latter, as described and illustrated in said prior patent document of the same applicant. While only one embodiment of the invention has been illustrated, it should be understood that changes in the form and arrangement of the elements that compose the hinge arrangement and the safety device could be made without departing from the constructive concept defined in the claims which accompany the present description.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Hinges (AREA)

Abstract

L'invention concerne un dispositif de sûreté pour les gonds d'une porte de cabinet, comprenant : une paire de socles de gonds (10) fixés à proximité des extrémités supérieures et inférieures de l'une des parties définies par la porte (P) et le cabinet (G) ; des fiches (20) fixées à l'autre partie, chaque fiche devant correspondre à un socle de gond respectif (10) ; une glissière de verrouillage (30) montée sur chacune des extrémités supérieures et inférieures de la partie qui supporte les socles de gonds (10) et qui se déplace dans des sens opposés depuis une position médiane et est pourvue au niveau de ses extrémités opposées de parties de cam (31) qui sont conçues de manière à ce que dans la phase d'ouverture initiale de la porte (P) d'un côté, la broche (20) de ce côté, agissant sur la partie de cam adjacente (31), entraîne le déplacement de la glissière de verrouillage (30) afin de verrouiller la fiche (20) de l'autre côté de la porte (P) à l'intérieur du socle de gond respectif (10). Selon l'invention, le dispositif de sûreté comprend des moyens de butée (70) incorporés dans chaque socle de gond (10) et qui se déplacent entre une position d'arrêt, qui est obtenue par la fermeture du côté respectif de la porte (P), et dans laquelle les moyens d'arrêt (70) permettent à la glissière de verrouillage (30) de se déplacer en une position de verrouillage de la broche respective (20), et une position de fonctionnement, qui est obtenue après un certain degré d'ouverture initial du côté respectif de la porte (P) et dans laquelle les moyens de butée (70) empêchent la glissière de verrouillage (30), qui se déplace en position de verrouillage de la broche opposée (20), de se déplacer en position de déverrouillage de cette broche.
PCT/BR2004/000012 2003-02-21 2004-02-17 Dispositif de surete pour les gonds d'une porte de cabinet WO2004074617A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0300651-4 2003-02-21
BR0300651A BR0300651A (pt) 2003-02-21 2003-02-21 Dispositivo de segurança para articulação de porta de gabinete

Publications (1)

Publication Number Publication Date
WO2004074617A1 true WO2004074617A1 (fr) 2004-09-02

Family

ID=32873328

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2004/000012 WO2004074617A1 (fr) 2003-02-21 2004-02-17 Dispositif de surete pour les gonds d'une porte de cabinet

Country Status (2)

Country Link
BR (1) BR0300651A (fr)
WO (1) WO2004074617A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486807A (zh) * 2013-09-25 2014-01-01 合肥美的电冰箱有限公司 一种冰箱门防下垂结构
EP2746706A3 (fr) * 2012-12-21 2015-09-30 BSH Hausgeräte GmbH Appareil de réfrigération avec butée de porte pouvant être modifiée
US20220074643A1 (en) * 2018-12-21 2022-03-10 Electrolux Appliances Aktiebolag Wine cooler with reversible door

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503582A (en) * 1982-09-29 1985-03-12 Whirlpool Corporation Double-acting refrigerator door hinge and sliding lock-bolt
US5675934A (en) * 1994-06-16 1997-10-14 Hong Il Lee Device capable of opening/closing a door at either side thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503582A (en) * 1982-09-29 1985-03-12 Whirlpool Corporation Double-acting refrigerator door hinge and sliding lock-bolt
US5675934A (en) * 1994-06-16 1997-10-14 Hong Il Lee Device capable of opening/closing a door at either side thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746706A3 (fr) * 2012-12-21 2015-09-30 BSH Hausgeräte GmbH Appareil de réfrigération avec butée de porte pouvant être modifiée
CN103486807A (zh) * 2013-09-25 2014-01-01 合肥美的电冰箱有限公司 一种冰箱门防下垂结构
CN103486807B (zh) * 2013-09-25 2015-11-25 合肥美的电冰箱有限公司 一种冰箱门防下垂结构
US20220074643A1 (en) * 2018-12-21 2022-03-10 Electrolux Appliances Aktiebolag Wine cooler with reversible door
US11703270B2 (en) * 2018-12-21 2023-07-18 Electrolux Appliances Aktiebolag Wine cooler with reversible door

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Publication number Publication date
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