BRMU8802126U2 - security concealed lock applied to microwave ovens - Google Patents

Abstract

Security system for manually or electromechanically operated mechanical locking of the microwave oven door (3), sliding lock type (4), mounted behind the control panel or inside the door (3) of the equipment, the access to the lock (4) is through an opening (6) at the bottom of the panel or door (3), with the actuation and sliding end of the lock (4) moving laterally outwards through a hole and it fits into a housing (5) on the side of the door (3) or panel of the appliance, configuring the complementary locking of the door (3).

Description

DESCRIPTIVE REPORT

Concealed security lock applied to microwave ovens

Innovation field

This utility model relates to a concealed mechanical door locking system for a manually operated sliding-lock microwave oven mounted behind the control panel or the door of the appliance, which access to the lock is through an opening at the rear. lower part of the panel or door, with the sliding and locking end of the lock moving sideways out through a hole in the side wall and fitting into a housing in the side of the door or the panel of the appliance, setting the door lock. Alternatively, the lock may be displaced by an electromechanical mechanism triggered by a hidden button or by specific icons on the appliance panel.

Innovation History

Normally, in microwave ovens there are two safety systems, one of which is electronic, which is activated by the "Cancel" key, or the like, which prevents the appliance from operating and another mechanical system that automatically shuts down the appliance. the moment it opens it opens the same. However, after opening, the warmed article, whether it is a plate of food or a container with liquid, is exposed to the user's contact, and if a child tries to manipulate it, there is a possibility of serious accidents such as burns if heated containers are handled. Thinking about preventing a child or anyone with possible motor restrictions from opening the door and handling a hot object inside the microwave oven, especially in the absence of an adult, a complementary system of mechanical and manual door locking has been devised. independent of the primary safety systems already in the appliance. In addition to offering a differential to the user, the great utility of this component incorporated in the microwave oven is evident, being its use at the discretion of an adult, substantially reducing the possibility of -from accidents, particularly to children or disabled persons, providing greater safety in the use of this appliance.

State of the art analysis

US7317178 discloses a micro-oven oven door frame usable as a pizza oven, with sealing latches mounted closely bringing the door in close contact with an oven inlet. Knobs include a handle mounted on an external door surface, a locking lever mounted on a hinge inside the door, a pusher extending from one end of the locking lever arranged below the handle, a socket formed in the The opposite end of the locking lever is configured to engage the edge of the inlet oven chamber and an elastic member placed between the pusher and the handle to tilt the pusher to engage the socket with the oven chamber inlet. Since it does not provide that an additional locking system or a locking system which is partially embedded, it does not conflict with the characteristics proposed by the present utility model.

US6867398 discloses a toaster microwave oven, provided with a lock to hold the door. By showing only a simple closure, it does not advance any pertinent characteristics to the inventive aspects of the present utility model.

US6828532 shows a microwave-leakage-controlled microwave oven designed so that its switches detect whether a door is open or not, preventing microwaves from escaping. Includes a hook, a lock hook, a locking step and a sensor. The hook is mounted to the door that functions to open or close a cabinet. The locking hook is installed in the cabinet to engage with the hook. The locking step is provided on the locking hook to lock the hook unit when the hook unit enters the hook locking unit. The sensor switch enters the lock hook to detect if the hook enters the lock. A screw cavity is provided at a predetermined portion of the locking step for securing a screw to function to mount the hook locking the unit to the cabinet. However, the document describes a locking hook that differs substantially from the features of the present utility model.

US6137096 illustrates an opening delay micro-door locking system in a microwave oven containing illumination lamps. The microwave oven door is designed for a predetermined time until a power transmission stroke is opened by a drive motor through which the door is opened and closed. The drive motor rotates a gear and the gear provides opening and closing. As the patent demonstrates no lock characterized by being concealed, it does not conflict with the features described in the present utility model.

US5 895601 advances a door closing mechanism with a microwave oven duct. As it does not mention at any time additional hidden or partially embedded locks, noticeably distant from the present utility model.

US5517006 elucidates a microwave oven with door locking system consisting of a cavity and a door to close the cavity, accompanied by a seat belt pressure actuator that prevents the door from opening due to a sudden increase in pressure. . The sudden increase in pressure in the cavity is used to activate the safety belt device that locks the door locking device. The patent only describes the depression-sensitive variation system acting on a simple lock, not colliding with the innovative features of the present utility model.

US4982063 shows an apparatus for closing and opening a stove using electromechanical and manual operations, including a body having a heating compartment and a door attached to the body for opening and closing the heating compartment. The door is closed by a closing mechanism. When the door is about to open, the closing mechanism is released electromechanically by the first release mechanism, or released by external mechanical force through a second release mechanism. Since the document does not mention at any time additional hidden or partially embedded locks, it departs widely from the present utility model. US4288118 discloses a microwave oven closing mechanism that relates to the presence and absence of a power source with a source of heat. The document does not demonstrate any additional lock characterized by being concealed and therefore does not impinge on the characteristics described by the present utility model. US4497993 clarifies a door locking instrument of an electric cooker with a movable handle supported by a door that is mounted. in a stove housing and able to move for opening and closing. Two pivot hooks are mounted on the inner side of the door. The document demonstrates a locking system by pi-voted hooks that never clashes with the features of this utility model.

List of Figures Figure 1 illustrates a front view of the microwave oven (2), with a preferred embodiment in which the lock (4) lodges behind the e-device panel. The sectional detail (1) of the portion where the locking mechanism of the door (3) of the equipment is inserted reveals the arrangement of the system.

Figure 2 shows a preferred embodiment of this innovation, wherein the lock (4) is housed behind the microwave oven panel (2), supported by guides (7). In this case, the detail (1) of the locking system shows its positioning when the door (3) is unlocked. Figure 3 shows a preferred configuration of this innovation, in which the lock (4) lodges behind the oven panel. microwave (2) and inserts into a cavity (5) housed in the door (3) of the equipment. In this case, the locking system (1) deflects its positioning when the door (3) is locked.

Detailed Description of Innovation

This utility model describes a hidden locking system for application in microwave ovens (2), regardless of the safety features already in the appliance, which does not attract the attention and accuracy of children, who especially like to move and squeeze buttons. . Said system enables mechanical locking of the door (3) by manually activating the partially recessed sliding lock (4) behind the door (3) or the equipment panel. Alternatively, the lock (4) can be actuated by an electromechanical system activated by a hidden button or by a specific icon on the oven panel (2). The lock (4) can be manually operated by moving it. a by means of a hidden door (6) located at the bottom of the door (3) or the equipment panel, accessing it with a finger, for example, and forcing its lateral dislocation. In the preferred embodiment shown in the figures, where the latch (4) is mounted behind the microwave oven control panel (2), the sliding actuation end of the latch (4) moves outwardly from the panel. , supported by guides (7) that guide its movement through a hole in the side wall of that panel and fits into a housing (5) on the side of the door of the appliance, setting the door locking, preventing it be open. It is important to note that this lock does not turn off the appliance, it only prevents the door (3) from being opened.

To unlock the door (3) allowing it to open, simply move the lock (4) in reverse, moving it laterally through the lower opening (6), away from the housing (5) and releasing the door (3) .This innovation is not limited to the representations commented on or illustrated here but should be understood in its broad scope. Many modifications and other representations of the utility model will come to mind in the art to which this innovation belongs, having the benefit of the teaching presented in the preceding descriptions and accompanying drawings. In addition, it is to be understood that the utility model is not limited to the specific form disclosed, and that modifications and other forms are understood to be included within the scope of the appended claims. Although specific terms are employed here, they are used only in a generic and descriptive manner and not for purposes of limitation.

Claims (5)

1. Security concealed lock applied to microwave ovens characterized by being applied independently of other appliance safety systems. Microwave oven security lock according to claim 1, characterized in that it is embedded in the oven panel (2). Microwave oven security lock according to Claim 1, characterized in that it is embedded in the oven door (3) (2). Microwave oven security lock according to Claim 1, characterized in that it is manually operated through a lower opening (6). Concealed security lock applied to microwave ovens according to claim 1, characterized in that it is actuated by an electromechanical system.