FR2992157A1 - Dish washing and drying machine for use in home, has movable finger and movement transmission element cooperating together to move engaging element according to longitudinal movement when door is moved from closed to partly open position - Google Patents

Abstract

The machine (1) has a door (3) for closing an access opening in a side of a washing tub (2), and door locking device (4) for locking the door in a closed position. A door opening device (7) includes a movable finger (9), and a movement transmission element (10) cooperating with an engaging element (5) of the door locking device. The movable finger and movement transmission element cooperate together to move the engaging element according to a longitudinal movement during movement of the door from the closed position to a partly open position and from an open position to the closed position.

Description

The present invention relates to a washing and drying machine comprising a door opening device. In general, the invention relates to washing and drying machines, particularly domestic dishwashing and drying machines, comprising a door opening device for automatically opening the door of the bowl. washing during a drying phase of the dishes of an operating cycle implemented by the machine so as to evacuate part of the steam contained in the washing tank to the outside of the machine and to dry more quickly the pieces of crockery contained inside the wash tub. The partial opening of the door of the washing tub makes it possible to reduce the quantity of heat to be supplied during the drying phase of the dishes, and consequently the consumption of electrical energy. The partial opening of the door of the washing tub during the drying phase of the dishes also makes it possible to prevent the steam contained in the washing tub from condensing and forms water droplets on the parts of the washing tub. dishes contained in the wash tub. EP 0 687 439 A1 is already known which describes a washing and drying machine comprising a washing tub, a door, the door for closing an access opening formed on the front face of the washing tub. , a door lock device, the door lock device for locking the door in the closed position, wherein the door lock device comprises an engagement member, the engagement member being connected to the wash tub and cooperating with a locking member connected to the door, a door opening device, the door opening device for moving the door from a closed position to a half-open position of the door so as to provide a space between the washing tub and the door. Further, the door opening device comprises an electric motor and a plurality of gears, wherein the gears move the locking member engaging member in a longitudinal motion when moving the door from a closed position to an open position. The door opening device automatically opens the door of the wash tub by pushing the door by means of the engagement member of the locking device moved by the electric motor and the plurality of gears.

The door locking device is an integral part of the door opening device so as to hold the door of the washing tub in the closed position during a cycle of operation implemented by the machine, and to be able to open -2- automatically it during a drying phase of the dishes of the operating cycle. However, this washing and drying machine has the disadvantage of moving the engagement member of the locking device, by means of the electric motor and the plurality of gears, in a first direction of movement so as to pushing on the door to open the door, and in a second direction of displacement opposite to the first direction of movement so as to return to the initial position the engagement element of the locking device following the lapse of a predetermined duration .

Therefore, in the case where the user pushes the door of the wash tub from the half-open position to the closed position and the locking member of the locking device is not returned to the initial position, the device door opening comprising the electric motor and the plurality of gears may be damaged by the force exerted thereon.

In addition, such a door opening device comprising an electric motor and a plurality of gears is expensive. Furthermore, such a door opening device requires to be supplied with electrical energy when the latter is reset, since the electric motor is activated by the control unit of the machine so as to bring the element back into position. commitment in initial position. Therefore, in the case where the door device is down due to the movement of the door in the open position, the washing machine and the dish washer can no longer implement a cycle of operation without using the opening device since the door can no longer be returned to the closed position because of the electric motor and the plurality of gears forming the door opening device. The present invention aims to solve the aforementioned drawbacks and to provide a washing machine and drying dishes to partially and automatically open a door of a washing tank by means of a single door opening device and inexpensive while ensuring the safety of the machine by means of a door lock device. For this purpose, the present invention relates to a washing machine and to drying the dishes comprising a washing tub, a door, said door for closing an access opening formed on the front face of said wash tub, a washing device. door lock, said door locking device for locking said door in the closed position, wherein said door locking device comprises an engagement member, said engagement member being connected to said washing tub and cooperating with a locking member connected to said door, a door opening device, said door opening device for moving said door from a closed position to a position ajar with said door so as to provide a space between said bowl washing and said door.

According to the invention, said door opening device comprises a movable finger moved in a first direction, a motion transmission member cooperating with said engagement member of said door locking device, said motion transmitting member being moved. in a second direction, wherein said movable finger and said motion transmitting member cooperate together to move said engagement member in longitudinal movement as said door moves from a closed position to an open position, and from a position open to a closed position. Thus, the door opening device can be actuated without risk of damaging it when closing the door of the washing tub by the user from an open position of the door since the element of engagement of the locking device is moved to an initial position by means of a motion transmitting member of the door opening device in a second direction, and the motion transmitting member cooperates with a movable finger of the device door opening can move in a first direction.

In the case where an actuator of the door opening device is out of service, the washing and drying machine can still implement a cycle of operation without using the door opening device since the element motion transmission can be moved in the second direction so as to return the engagement element to the initial position.

The door opening device makes it possible to open the door of the washing tub automatically during a drying phase of the dishes of an operating cycle implemented by the machine so as to evacuate part of the steam in the washing tub to the outside of the machine and to dry more quickly the dishes inside the washing tub.

And the wash tank door can be left ajar for a prolonged period, and in particular until a subsequent operating cycle operated by the machine, so as to aerate the wash tub and prevent the appearance of bad smells in this one. In addition, such a door opening device is simple and inexpensive.

Moreover, such a door opening device makes it possible to minimize the consumption of electrical energy since the resetting of the latter is carried out by pushing the door by the user from an open position to a closed position. The door locking device is an integral part of the door opening device so that the door of the washing tub can be held in the closed position during a cycle of operation carried out by the washing machine. and drying the dishes by means of the engagement element connected to the washing tub cooperating with the locking element connected to the door, and to be able to open it automatically during a drying phase of the washing of the operating cycle by means of the engagement element connected to the washing tub and pushing on the door. Preferably, said engagement element connected to said wash tub is held inside said locking element connected to said door during the movement of said door from a closed position to a half open position relative to said wash tub, and in the open position of said door. Thus, following the movement of the door from a closed position to an open position, the door of the tank is kept locked by means of the door locking device since the engagement element connected to the wash tank is maintained at the door. inside of the locking element connected to the door. In this way, the washing tank door is kept locked by means of the door locking device and the door opening device so as to avoid a fall of the wash tank door in the case where the device The balance of the latter is out of adjustment or damaged, and to prevent children from accessing the interior of the washing tub by opening the door and possibly being injured with objects contained in the washing tub. Other features and advantages will become apparent in the description below. In the accompanying drawings, given by way of non-limiting examples: FIG. 1 is a schematic perspective view illustrating a washing and drying machine according to the invention, where the door closing the access opening of the washing tub is in the open position, and wherein a skinned area is made in the door so as to illustrate the door lock device; FIG. 2 is a partial diagrammatic view from above of a washing and drying machine comprising a door locking device and a door opening device according to one embodiment of the invention, where the door of the wash tub is in closed position; Figure 3 is a sectional view of Figure 2 along the sectional plane ZZ; Figure 4 is a detail view of Figure 2, wherein the movable finger and the detecting device of the door opening device have been removed; Figure 5 is a view similar to Figure 4, where the motion transmitting member of the door opening device has also been removed; FIG. 6 is a partial diagrammatic view from above of a washing and drying machine comprising a door locking device and a door opening device according to one embodiment of the invention, where the door of the wash tub is in the open position; Figure 7 is a sectional view of Figure 6 along the section plane YY; Fig. 8 is a detail view of Fig. 6, in which the movable finger, the first spring, and the detecting device of the door opening device have been removed; Fig. 9 is a view similar to Fig. 8, wherein the motion transmitting member of the door opening device has also been removed; FIG. 10 is a partial schematic top view illustrating a washing and drying machine comprising a door locking device and a door opening device according to one embodiment of the invention, where the door of the wash tub is in the open position; FIG. 11 is a sectional view of FIG. 10 along section plane VVW; FIG. 12 is a fragmentary diagrammatic view from above of a washing and drying machine comprising a door locking device and a washing device. FIG. door opening according to one embodiment of the invention, when moving the door of the washing tub from the open position to the closed position, wherein the detecting device of the door opening device has been removed; Figure 13 is a sectional view of Figure 12 along the section plane TT; and Fig. 14 is a schematic perspective view illustrating a washing and drying machine comprising a door latch and a door opening device according to an embodiment of the invention, wherein the door of the washing tub is in closed position, and where the outer wall of the door has been removed so as to facilitate reading thereof.

We will first describe, with reference to Figure 1, a washing machine and drying dishes according to the invention. Of course, the present invention applies to all types of washing machine -6- and drying dishes, and in particular intended to be embedded in a cabinet or to be free standing. A washing and drying machine 1 comprises a washing tub 2. The washing and drying machine 1 comprises a hydraulic circuit. The hydraulic circuit may comprise a connection device to the water distribution network and at least one solenoid valve controlled by a control unit of the washing machine and to dry the dishes 1 so as to supply water to the washing tub 2. The washing tub 2 has an access opening closed by a door 3. The access opening is formed in a face of the washing tub 2, in particular a front face of the washing tub 2. The door 3 of the washing tub 2 can thus be movable between a closed position in which it closes the access opening, in a sealed manner, an open position and an open position. Here, the door 3 is formed of two parts.

In one embodiment, the first part of the door 3 corresponds to the external face visible by the customer. The outer face generally comprises a control panel allowing the user to program a cycle of operation of the washing machine and to dry the dishes 1. In another embodiment, the first part of the door 3 can also be a panel adapted to receive a kitchen cabinet facade. The second part of the door 3 is the counter door, that is to say the inner wall of the door 3 closing the access opening of the washing tub 2. In one embodiment, the tank of washing 2 may comprise a body 15 formed by at least side walls. The body 15 of the dishwashing and drying machine 1 may also include a top wall for washing and drying machines in free laying. The door 3 of the washing tub 2 is pivotally mounted about an axis of rotation, in particular a horizontal axis of rotation. Here, the axis of rotation allowing the rotation of the door 3 relative to the washing tub 2 is arranged in the lower part of the washing machine and drying the laundry 1. The washing tub 2 comprises an upper wall 2a, side walls 2b, a bottom wall and a bottom wall. The washing tank 2 is particularly suitable for containing the water of the washing bath and / or rinsing steps of a cleaning program of dishes.

The washing and drying machine 1 comprises at least one dish rack 16 which can hold dishes and is disposed inside the washing tub 2. In one embodiment, as illustrated In Fig. 1, the washing and drying machine 1 comprises two dish baskets 16 arranged one above the other inside the washing tub 2, and respectively called upper dish rack. for the dish rack 16 located in the upper part of the washing tub 2 and lower dish rack for the dish rack 16 located in the lower part of the washing tub 2. The dish baskets 16 can be pushed and removed in the sliding inside the washing tub 2 of the washing machine and drying the dishes 1 either after the end of a cleaning program for unloading the dishes or before the start of a cleaning program for the cat most of the dishes. The washing and drying machine 1 comprises at least one heating means for heating the water of a washing and / or rinsing bath. Here and in no way limiting, said at least one heating means is a heating tunnel comprising a water circulation tube surrounded by a heating element. The washing and drying machine 1 comprises at least one means 17 for spraying the water of a washing and / or rinsing bath in the washing tub 2. Of course, the position and the number of Spraying means are in no way limiting and may be different. The washing and drying machine 1 comprises at least one circulating pump (not shown) of the water of a washing and / or rinsing bath to the at least one spraying means 17. The washing and drying machine 1 may also include a drain pump (not shown) for draining water from a wash and / or rinsing bath from the wash tub 2 to a water system worn. Referring now to FIGS. 2 to 14, a washing and drying machine comprising a door locking device and a door opening device according to an embodiment of the invention will now be described. The washing and drying machine 1 comprises a door locking device 4. The door locking device 4 makes it possible to lock the door 3 in the closed position. The door locking device 4 comprises an engagement element 5. The engagement element 5 is connected to the washing tub 2 and cooperates with a locking element 6 connected to the door 3. Here and in no way the engagement element 5 of the door locking device 4 is limited by a wire. And the locking element 6 of the door locking device 4 is made by a member rotating about an axis of rotation integral with the door 3. The engagement element 5 of the door locking device 4 is used as a keeper and the locking element 6 of the door locking device 4 is used as a bolt.

The engagement member 5 comprises an opening at one end so as to cooperate with a slot of the locking member 6 so as to lock the door 3 with respect to the washing tub 2. When unlocking the door 3 relative to the washing tub 2, the locking element 6 connected to the door 3 is returned to the initial position by means of a spring 23.

The washing and drying machine 1 comprises a door opening device 7. The door opening device 7 makes it possible to move the door 3 from a closed position to a half-open position of the door 3 so as to spare a space between the washing tub 2 and the door 3. The door opening device 7 comprises a movable finger 9 moved in a first direction A, in particular in a translational movement. The first direction A of movement of the movable finger 9 corresponds to a first axis. The door opening device 7 comprises a motion transmission element 10 cooperating with the engagement element 5 of the door locking device 4. The motion transmission element 10 is displaced in a second direction B, in particular according to a translation movement. The second movement direction B of the motion transmission element 10 corresponds to a second axis. The movable finger 9 and the motion transmission member 10 cooperate together so as to move the engagement member 5 in longitudinal movement as the door 3 is moved from a closed position to an open position, and from a position open to a closed position. Thus, the door opening device 7 can be actuated without risk of damaging it when closing the door 3 of the washing tub 2 by the user from an open position of the door 3 since the engagement member 5 of the locking device 4 is moved to an initial position by means of a motion transmission member 10 of the door opening device 7 in a second direction B, and the transmission member movement 10 cooperates with a movable finger 9 of the door opening device 7 can move in a first direction A. In the case where an actuator 8 of the door opening device 7 is out of service, the washing machine and To dry the dishes 1 can still operate a cycle of operation without using the door opening device 7 since the motion transmission element 10 can be moved in the second direction B of so rte to bring the engagement element 5 back to the initial position. The door opening device 7 makes it possible to automatically open the door 3 of the washing tub 2 during a drying phase of the dishes of an operating cycle implemented by the machine 1 so as to evacuate part of the steam contained in the washing tub 2 towards the outside of the machine 1 and drying more quickly the dishes contained inside the washing tub 2. And the door 3 of the washing tub 2 may be left ajar for a prolonged period, and in particular until a subsequent operating cycle operated by the machine 1, so as to ventilate the washing tub 2, to prevent the appearance of unpleasant odors in that ci, and to limit the duration of stressing a door seal 24 cooperating with the washing tub 2 and the door 3. In addition, such a door opening device 7 is simple and inexpensive.

Moreover, such a door opening device 7 makes it possible to minimize the consumption of electrical energy since the resetting of the latter is carried out by pushing the door 3 by the user from an open position to a closed position. Advantageously, the engagement element 5 of the locking device 4 is movable relative to the washing tub 2 and cooperates with the movement transmission element 10 of the door opening device 7, where the transmission element movement device 10 is guided in translation relative to the washing tank 2. Here, the door opening device 7 comprises a housing 18, inside which are disposed the movement transmission element 10 and the movable finger 9. The door locking device 4 is an integral part of the door opening device 7 so as to hold the door 3 of the washing tub 2 in the closed position during an operating cycle implemented by the washing machine and drying the dishes 1 by means of the engagement element 5 connected to the washing tub 2 cooperating with the locking element 6 connected to the door 3, and to be able to open the latter automatically during of a phase drying of the dishes of the operating cycle by means of the engagement element 5 connected to the washing tub 2 and pushing on the door 3. Preferably, the engagement element 5 connected to the washing tub 2 is maintained inside the locking element 6 connected to the door 3 during the movement of the door 3 from a closed position to a half open position relative to the washing tub 2, and in the half-open position of the door 3. Thus, following the displacement of the door 3 from a closed position to an open position, the door 3 of the tank 2 is kept locked by means of the door locking device 4 since the engagement element 5 connected to the washing tub 2 is kept inside the locking element 6 connected to the door 3. In this way, the door 3 of the washing tub 2 is kept locked by means of the door locking device 4 and of the opening device of door 7 so as to avoid a fall of the door 3 of the washing tub 2 in the case where the balancing device thereof is out of adjustment or damaged, and to prevent children from accessing the interior of the the washing tub 2 by opening the door 3 and possibly being injured with objects contained in the washing tub 2. Advantageously, the first direction A of displacement of the movable finger 9 is substantially perpendicular to the second direction B of movement of the 5. The door-opening device 7 comprises an actuator 8 so as to move the engagement member 5 during the movement of the door 3 from a closed position to an open position.

Advantageously, the actuator 8 is a wax cylinder. Practically, the movable finger 9 comprises a pin 11 moving inside a light 12 of the motion transmission element 10. Here, the light 12 of the motion transmission element 10 is L-shaped. .

Thus, in the closed position of the door 3, the movement transmission element 10 cooperating with the engagement element 5 is retained by the pin 11 of the movable finger 9 moving inside a light 12 of the In this way, the motion transmission member 10 is held in position by the pin 11 of the movable finger 9 disposed in the lumen 12 of the motion transmission member 10 so as to maintain the door 3 in the closed position, and as long as an actuator 8 of the door opening device 7 is not activated by the control unit of the washing machine and to dry the dishes 1 so as to move the finger 9, and in particular to move the pin 11 of the movable finger 9 inside the lumen 12 of the motion transmission element 10. In one embodiment, the pin 11 of the movable finger 9 also moves in a light 20 of the housing 18 of the opening device 7. Here, the lumen 20 of the casing 18 extends in the first direction A of movement of the movable finger 9. The lumen 20 of the casing 18 extends in a direction substantially perpendicular to the second direction B of movement of 5. When moving the door 3 from a closed position to an open position the movable finger 9 of the door opening device 7 is moved by the actuator 8 in the first direction A, then the motion transmission element 10 cooperating with the engagement element 5 is moved by a first spring 13 in the second direction B so as to move the engagement member 5 in a longitudinal movement. Thus, following the control of the door opening device 7 by the control unit of the washing machine and drying the dishes 1, the movable finger 9 is moved by the actuator 8 along the first direction A, in particularly a wax cylinder, so as to unlock the motion transmission element 10. Then, the motion transmission element 10 cooperating with the engagement element 5 is moved by the first spring 13 in the second direction B so as to move the engagement member 5 in a longitudinal motion and urging the door 3 from a closed position to an open position. In addition, when moving the door 3 from a closed position to an open position, the pin 11 of the movable finger 9 is moved within a first portion of the lumen 12 of the motion transmitting member 10 by the activation of the actuator 8, where the first part of the light 12 extends along the first direction A of movement of the movable finger 9. The displacement of the pin 11 of the movable finger 9 inside the first part light 12 of the motion transmission element 10 is produced in a predetermined stroke so as to position the pin 11 of the movable finger 9 vis-à-vis a second portion of the light 12 of the element of motion transmission 10. Next, the motion transmission member 10 is moved under the effect of the first spring 13 by sliding the second portion of the light 12 of the motion transmission member 10 relative to the pin 11 of the finger m 9, where the second portion of the lumen 12 extends along the second direction B of displacement of the motion transmission member 10. The displacement of the motion transmission member 10 where the second portion of the light 12 slide relative to the pin 11 of the movable finger 9 is made in a predetermined stroke X, as illustrated in Figure 2, so as to interlock the door 3 relative to the washing tub 2, and preferably maintaining the element engagement member 5 connected to the washing tub 2 inside the locking member 6 connected to the door 3. When moving the pin 11 of the movable finger 9 inside the first portion of the light 12 of the motion transmitting member 10 in the first direction A, the first portion of the lumen 12 serves as a stop for the pin 11 so as to prevent movement of the motion transmitting member 10 in the second direction direction B under the effect of the first spring 13. Thus, the door opening device 7 can automatically open the door 3 of the wash tank 2 so as to create a natural ventilation of the washing tub 2 to the outside washing machine and drying dishes 1.

Following the control of the door opening device 7 by the control unit of the washing machine and to dry the dishes 1, the movement transmission element 10 cooperating with the engagement element 5 is moved from a predetermined stroke so as to move the door 3 from a closed position to an open position. Here, the first spring 13 moving the motion transmitting member 10 along the second direction B is a helical spring having one end connected to the motion transmitting member 10 and another end connected to the housing 18 of the connecting device. In addition, the first spring 13 moving the motion transmission element 10 along the second direction B is a compression spring.

Following activation of the actuator 8 to drive the pin 11 of the movable finger 9 inside the first portion of the lumen 12 of the motion transmission member 10 following the predetermined stroke, where the actuator 8 is a wax cylinder, the actuator 8 is deactivated so as to return the piston thereof to the initial position and allow a next command of the latter by the control unit of the washing machine and to dry the dishes 1 during a subsequent operating cycle. When the door 3 is in the open position, the door 3 can be moved to the open position by the user by pulling on a door handle 21. When moving the door 3 from an open position to an open position, the element 6 disengages around its axis of rotation so as to release the engagement element 5. Thus, the movement of the door 3 from an open position to an open position can be implemented without any further movement of the device. 7. Similarly, when the door 3 is in the closed position, the door 3 can be moved to the open position by the user by pulling on a handle 21 of the door 3. When the door 3 is moved from a closed position to an open position, the locking member 6 tilts about its axis of rotation so as to release the engagement member 5. Thus, the movement of the door 3 from a closed position in an open position is implemented without any movement of the door opening device 7. The motion transmission element 10 is held in position by the pin 11 of the movable finger 9 located in the first part of the light 12 of the the motion transmission member 10, and the pin 11 of the movable finger 9 is held in position in the lumen 20 of the housing 18 of the door opening device 7, so as to prevent longitudinal movement of the engagement member 5 in the second direction B. When moving the door 3 from an open position to a closed position, the motion transmitting member 10 cooperating with the engagement member 5 is moved by the door 3 in the second direction B, then the movable finger 9 of the door opening device 7 is moved by a second spring 14 in the first direction A so as to move the engagement member 5 in a long movement udinal. Thus, following a bearing on the door 3 by the user from an open position of the door 3 to a closed position of the door 3, the engagement element 5 is moved and drives the motion transmission element. 10 in the second direction B. Then, the movable finger 9 of the door opening device 7 is moved by a second spring 14 in the first direction A so as to reset the door opening device 7 for a next order. of the latter by the control unit of the washing machine and to dry the dishes 1. When moving the door 3 from an open position to a closed position, the engagement element 5 is moved by the element 6, where the locking element 6 pushes on the engagement element 5. Here, the second spring 14 moving the movable finger 9 in the first direction A is a helical spring having an end connected to the finger mo 9 and another end connected to the housing 18 of the door opening device 7. In addition, the second spring 14 moving the movable finger 9 in the first direction A is a compression spring. When moving the door 3 from an open position to a closed position, the first spring 13 is compressed during movement of the motion transmitting member 10 by the door 3 in the second direction B, and the movable finger 9 is brought into position against the actuator 8 by the second spring 14 during the movement of the movable finger 9 in the first direction A. The resetting of the door opening device 7 is implemented by moving the door 3 from an open position to a closed position. In addition, during the movement of the door 3 from an open position to a closed position, the engagement element 5 is displaced by the force exerted by the user on the door 3 driving the motion transmission element 10 and sliding the second portion of the lumen 12 of the motion transmitting member 10 relative to the peg 11 of the movable finger 9, wherein the second portion of the lumen 12 extends along the second direction B of movement of the The motion transmission member 10, wherein the second portion of the lumen 12 slides relative to the pin 11 of the movable finger 9, is moved along the predetermined stroke X so as to position the peg 11 of the movable finger 9 vis-à-vis the first part of the light 12 of the motion transmission element 10. Then, the pin 11 of the movable finger 9 is moved inside the first p part of the light 12 of the motion transmission element 10 under the effect of the second spring 14, where the first portion of the light 12 extends along the first direction A of movement of the movable finger 9. The displacement of the pion 11 of the movable finger 9 inside the first portion of the lumen 12 of the motion transmission element 10 is formed in a predetermined stroke so as to bring the movable finger 9 to the actuator 8 and to block the motion transmission element 10.

When moving the peg 11 of the movable finger 9 inside the first portion of the lumen 12 of the motion-transmitting element 10 in the first direction A, the first portion of the lumen 12 serves as a stop for the peg 11 so as to prevent the displacement of the motion transmission element 10 in the second direction B under the effect of the first spring 13.

When the door 3 is in the open position, the door 3 can be moved to the closed position by the user by pushing on the door 3. When moving the door 3 from an open position to a closed position, the locking element 6 tilts about its axis of rotation so as to lock the engagement element 5.

During the movement of the door 3 from an open position to a closed position, following the resetting of the door opening device 7, the motion transmission element 10 is in abutment and the locking element 6 switches around its rotation axis so as to lock the engagement element 5. Thus, following the reset of the door opening device 7, the motion transmission element 10 can not move back and the effort exerted by the user on the door 3 generates the tilting of the locking element 6 around its axis of rotation so as to lock the engagement element 5. Advantageously, during the displacement of the door 3 from an open position to a closed position, the force exerted by the first spring 13 on the motion transmission element 10 is less than the tilting force of the locking element 6 about its axis of rotation. Thus, the closure of the door 3 with respect to the washing tub 2 is implemented without any additional constraint. In this way, the resetting of the door opening device 7 does not require an additional effort to be performed by the user, nor an additional supply of electrical energy.

In the closed position of the door 3, the motion transmission element 10 cooperating with the engagement element 5 is held in position by a second spring 14 exerting a force against the movable finger 9 along the first direction A. Thus, the motion transmission element 10 is blocked by the movable finger 9 by means of the second spring 14 exerting a force against the movable finger 9 so as to maintain in the retracted position the engagement element 5 of the locking device 4 as long as the door 3 is in the closed position, and in particular as long as the actuator 8 of the door opening device 7 is not activated to move the door 3 from a closed position to an open position. In addition, this force exerted by the second spring 14 on the movable finger 9 keeps the movable finger 9 in the initial position so that it can be moved by the actuator 8 during a control of the door opening device 7 to move the door 3 from a closed position to an open position. When moving the door 3 from a closed position to an open position, and from an open position to a closed position, the engagement member 5 is moved in a longitudinal movement being parallel to the second direction B of movement of the door. the motion transmitting member 10. The engagement member 5 is attached to the motion transmitting member 10. Here, the engagement member 5 is secured with the motion transmitting member 10. by means of a holding member 19, as shown in Fig. 14. In one embodiment, the holding member 19 is attached to the motion transmitting member 10 so as to hold the element blocking engagement 5 between the holding member 19 and the motion transmitting member 10.

Fixing the holding member 19 on the motion-transmitting member 10 can be achieved by fixing screws. Of course, the fastening means of the holding element on the motion transmission element are in no way limiting and may be different, in particular by rivets, or elastic snap elements.

In one embodiment, the door opening device 7 comprises a detection device 22 for detecting the positioning of the movable finger 9. Thus, the detection device 22 makes it possible to determine whether the door 3 is in position open to avoid starting a cycle of operation with the door 3 ajar. In one embodiment, the motion-transmitting element 10 comprises a blade 25 bearing on a detector 26 of the detection device 22 during the resetting of the door-opening device 7. Here, the detection device 22 is a contactor. Of course, the type of detection device is in no way limiting and may be different, and for example a capacitive or magnetic detector. The washing and drying machine 1 comprises control means provided with a control unit (not shown), where the control unit comprises at least one electronic card. Said at least one electronic card comprises at least one microcontroller capable of implementing predetermined operating cycles of the washing machine and drying dishes 1. Thus, the control unit controls in particular the door opening device 7 , and in particular the actuator 8, so as to partially open the door 3 of the washing tub 2, preferably during a drying phase of the dish, as described above. Thanks to the present invention, the door opening device can automatically open the door of the washing tub during a drying phase of the dishes of an operating cycle implemented by the machine so to evacuate a portion of the steam contained in the washing tub to the outside of the machine and to dry more quickly the dishes contained within the washing tub. Of course, many modifications can be made to the embodiments described above without departing from the scope of the invention.

Claims (13)

CLAIMS 1- Washing and drying machine (1) comprising: a washing tub (2), a door (3), said door (3) for closing an access opening formed in a face of said bowl washing device (2), a door locking device (4), said door locking device (4) for locking said door (3) in a closed position, wherein said door locking device (4) comprises an element engagement member (5), said engagement member (5) being connected to said washing tub (2) and cooperating with a locking member (6) connected to said door (3), a door opening device (7), said door opening device (7) for moving said door (3) from a closed position to an open position of said door (3) so as to provide a space between said wash tub (2) and said door (3), characterized in that said door opening device (7) comprises: a finger a moving member (9) moved in a first direction (A), a motion transmitting member (10) cooperating with said engagement member (5) of said door locking device (4), said motion transmitting member ( 10) being moved in a second direction (B), wherein said movable finger (9) and said motion transmission member (10) cooperate together so as to move said engagement member (5) in a longitudinal motion when moving. said door (3) from a closed position to an open position, and from an open position to a closed position. 2- washing machine and drying dishes (1) according to claim 1, characterized in that said movable finger (9) comprises a pin (11) moving inside a light (12) of said element motion transmission (10). 3- washing and drying machine (1) according to claim 2, characterized in that said lumen (12) of said motion transmission element (10) is L-shaped. 4- A washing and drying machine (1) according to any one of claims 1 to 3, characterized in that the first direction (A) of movement of said movable finger (9) is substantially perpendicular to the second direction ( B) moving said motion transmitting member (5). 2,992 1 5 7 -18- 5- A washing and drying machine (1) according to any one of claims 1 to 4, characterized in that said door opening device (7) comprises an actuator (8) so as to put in motion said engagement member (5) when moving said door (3) from a closed position to an open position. 6. Machine washing and drying dishes (1) according to claim 5, characterized in that said actuator (8) is a wax cylinder. 7- A washing and drying machine (1) according to claim 5 or 6, characterized in that during the movement of said door (3) from a closed position to an open position, said movable finger (9) of said door opening device (7) is moved by said actuator (8) in the first direction (A), and then said motion transmitting member (10) cooperating with said engagement member (5) is moved by a first spring (13) in the second direction (B) so as to move said engagement member (5) in a longitudinal motion. 8- A washing and drying machine (1) according to claim 7, characterized in that during the movement of said door (3) from an open position to a closed position, said motion transmitting member (10) cooperating with said engagement member (5) is moved by said door (3) in the second direction (B), then said movable finger (9) of said door opening device (7) is moved by a second spring ( 14) in the first direction (A) so as to move said engagement member (5) in a longitudinal motion. 9. Washing and drying machine (1) according to claim 8, characterized in that during the movement of said door (3) from an open position to a closed position, said first spring (13) is compressed at during the movement of said motion transmission element (10) by said door (3) in the second direction (B), and said movable finger (9) is brought into position against said actuator (8) by said second spring (14) during the movement of said movable finger (9) in the first direction (A). 30 10- A washing and drying machine according to any one of claims 7 to 9, characterized in that in the closed position of said door (3), said motion transmission member (10) cooperating with said element engagement (5) is held in position by a second spring (14) exerting a force against said movable finger (9) in the first direction (A). 35 11- Washing and drying machine (1) according to any one of claims 1 to 10, characterized in that said engagement element (5) connected to said washing tub (2) is maintained at the interior of said locking member (6) connected to said door (3) during the movement of said door (3) from a closed position to a position ajar with respect to said washing tub (2), and in a half-open position of said door (3). 12- A washing and drying machine according to any one of claims 1 to 11, characterized in that during the movement of said door (3) from a closed position to an open position, and from an open position to a closed position, said engagement member (5) is moved in a longitudinal movement being parallel to the second direction (B) of movement of said motion transmission member (10). 13- A washing and drying machine according to any one of claims 1 to 12, characterized in that said engagement member (5) is attached to said motion transmission member (10).