KR102435757B1 - Locker and Home Appliance having the same - Google Patents

Abstract

The present invention provides a holder provided in any one of a cabinet and a door, a housing provided in the other one of the cabinet and the door, a first stopper provided in the housing, and reciprocally provided in the housing, wherein the door closes the inlet When the holder moves in the direction away from the inlet by the holder, it is supported by the first stopper, and when the operating part moves in the direction away from the inlet, it is separated from the first stopper and coupled to the holder A locking device comprising a fastening part, a first elastic body providing a force for moving the fastening part in a direction away from the inlet, and a second elastic body providing a force for moving the operating part in a direction in which the inlet is located, and the lock It relates to a home appliance equipped with the device.

Description

{Locker and Home Appliance having the same}

The present invention relates to a locking device and a home appliance equipped with the locking device.

Conventional devices with doors, including home appliances, are generally provided to include a cabinet, a storage space provided inside the cabinet to accommodate a storage object, and a door that opens and closes an inlet communicating with the storage space.

The door is detachably fixed to the cabinet through a locking device. Conventionally, the locking device generally includes a holder provided in the door and a coupling portion provided in the cabinet to which the holder is detachably coupled.

In the conventional locking device having the above structure, the force required to fix the door to the cabinet (force required to couple the holder to the coupling part) and the force required to separate the door from the cabinet (force required to separate the holder from the coupling part) are the same. designed to do

In addition, for home appliances (dishwashers, washing machines, dryers, etc.) that can increase the pressure of the storage space during operation, the locking device has a fastening force to the extent that the door is not separated from the cabinet even if the pressure in the space communicating with the inlet rises. It had to be designed to deliver.

However, the conventional locking device designed to provide sufficient fastening force so that the door does not separate from the cabinet during operation of the home appliance can prevent the problem of the door opening the inlet during operation of the home appliance, but by coupling the holder to the engaging part When closing the door, there is a disadvantage in that the user is forced to input more force into the door than necessary.

An object of the present invention is to provide a locking device in which the force input by the user to the door when closing the inlet is smaller than the force input by the user to the door when opening the inlet, and to provide a home appliance equipped with the locking device. do.

In addition, an object of the present invention is to provide a locking device provided with a holder and a fastening unit provided in a cabinet having an inlet and a door closing the inlet, respectively, and a home appliance provided with the locking device.

In addition, an object of the present invention is to provide a locking device for preventing a position of a fastening portion detachably coupled to a holder from deviate from a set position, and a home appliance having the locking device.

Another object of the present invention is to provide a locking device capable of performing a function of fixing a door to a cabinet even when a fastening part deviates from a set position, and a home appliance equipped with the locking device.

In addition, the present invention aims to solve the problem of providing a locking device that not only facilitates the coupling of the holder and the fastening part but also prevents the fastening part from being separated from the holder when the holder and the fastening part are coupled, and a home appliance equipped with the locking device make it a task

In addition, the present invention aims to solve the problem of providing a locking device capable of coupling a holder and a fastening part even when the fastening part moves to a position where the fastening part is coupled to the holder even though the door does not close the inlet, and a home appliance equipped with the locking device make it a task

Another object of the present invention is to provide a locking device that generates a sound signal that allows a user to confirm that the door is closed when the door closes the inlet, and a home appliance equipped with the locking device.

In addition, an object of the present invention is to provide a locking device capable of preventing an excessive increase in a sound signal generated when a door closes an inlet, and a home appliance equipped with the locking device.

Another object of the present invention is to provide a locking device having a detection unit for determining whether a door is in a closed state, and a home appliance having the locking device.

In addition, an object of the present invention is to provide a locking device provided with a sensing unit for detecting whether a fastening unit and a holder are coupled and whether a door has closed an inlet, and a home appliance equipped with the locking device.

A locking device for removably fixing a door to a cabinet having an inlet, the present invention comprising: a holder provided in any one of the cabinet and the door; a housing provided in the other one of the cabinet and the door; a stopper provided in the housing; an operation unit provided reciprocally in the housing and moving in a direction away from the inlet by the holder when the door closes the inlet; a fastening part supported by the stopper and separated from the stopper and coupled to the holder when the operation part moves in a direction away from the inlet; a first elastic body providing a force for moving the fastening part in a direction away from the inlet; It provides a locking device comprising a; a second elastic body that provides a force to move the operation unit in the direction in which the inlet is located.

The fastening part is provided detachably to the stopper, the fastening body coupled to the holder when separated from the stopper; and a first body and a second body extending from opposite ends of the fastening body toward a direction away from the inlet port, wherein the operation part is provided reciprocally along the moving direction of the holder, the first body and the a first slider and a second slider spaced apart from each other to form a space in which the second body is accommodated; and a transfer unit that connects the first slider and the second slider and moves in a direction away from the inlet by the holder.

The present invention may further include a support portion fixed inside the housing, wherein one end of the first elastic body is supported by the support portion and the other end is supported by at least one of the first body and the second body.

The support portion is rotatably fixed to the housing, the support body to which one end of the first elastic body is fixed; An extension portion extending from the support body toward the stopper, and allowing the fastening body to move into a space between the stopper and the support body when the fastening body is moved in a direction to be coupled to the holder; can

The present invention is provided on the support body shaft to form a center of rotation of the support body; first and second plates provided to be spaced apart from each other in the housing to provide a movement path of the first elastic body; It may further include a; shaft support portion provided on each of the first plate and the second plate to support the shaft.

The stopper may further include a seating portion provided to support the free end of the extension portion to prevent the support body from rotating.

The present invention is provided in at least one of the first slider and the second slider, and when the transfer unit moves in a direction away from the inlet, at least one of the first body and the second body is pressed by pressing the fastening. It may include; a body pressing unit for separating the body from the stopper.

The body pressing part is provided on the first slider, and when the transfer part moves in a direction away from the inlet, the first body pressing part presses the first body in a direction in which the fastening body is separated from the stopper; and the a second body pressing part provided on the second slider and pressing the second body in a direction in which the fastening body is separated from the stopper when the transfer part moves in a direction away from the inlet; It may further include at least any one of.

The present invention is provided on the first body and is provided to be inclined upwardly in a direction away from the inlet, and when the transfer unit moves in a direction away from the inlet, a first inclined surface of the body in contact with the first body pressing unit; and the a second body inclined surface provided on the second body and inclined upward in a direction away from the inlet, and contacting the second body pressing unit when the transfer unit moves in a direction away from the inlet; It may further include at least any one of.

The present invention is provided in the housing, the first receiving portion for providing a movement path of the first slider; It may further include; a second receiving part provided in the housing and providing a movement path of the second slider.

The second elastic body is provided inside the first accommodating part, a first spring for pressing the first slider in the direction of the inlet; and the second elastic body is provided inside the second accommodating part to press the second slider in the direction of the inlet a second spring; At least one of them may be provided.

The present invention provides a first bar provided to pass through the first slider to guide the movement of the first slider; It may further include; a second bar provided to pass through the second slider to guide the movement of the second slider.

The second elastic body includes a first spring into which the first bar is inserted and pressurizes the first slider in the direction of the inlet; and a second spring into which the second bar is inserted and presses the second slider in the direction of the inlet; At least one of them may be provided.

The first elastic body maintains a compressed state when the fastening part is supported by the stopper, and the second elastic body maintains a compressed state when the fastening part is in a state separated from the stopper, The force required to compress the first elastic body may be set to be greater than the force required to compress the second elastic body.

A locking device for removably fixing a door to a cabinet having an inlet, the present invention comprising: a holder provided in any one of the cabinet and the door; a housing provided in the other one of the cabinet and the door; a first stopper provided in the housing; an operation unit provided reciprocally in the housing and moving in a direction away from the inlet by the holder when the door closes the inlet; a fastening part supported by the first stopper and separated from the first stopper and coupled to the holder when the operating part moves in a direction away from the inlet; a first elastic body providing a force for moving the fastening part in a direction away from the inlet; It provides a locking device including;

The fastening part is provided detachably to the first stopper, the fastening body coupled to the holder when separated from the first stopper; and a first body and a second body extending from opposite ends of the fastening body toward a direction away from the inlet port, wherein the operation part is provided reciprocally along the moving direction of the holder, the first body and the a first slider and a second slider spaced apart from each other to form a space in which the second body is accommodated; a transfer unit connecting the first slider and the second slider and moving in a direction away from the inlet by the holder; and a body pressing part provided on at least one of the first slider and the second slider to contact the first body and the second body according to the position of the transfer part to separate the fastening body from the first stopper. may include.

The first elastic body maintains a compressed state when the fastening body is supported by the first stopper, and moves the fastening body away from the inlet when the fastening body is separated from the first stopper, and the second The elastic body is compressed by at least one of the first slider and the second slider while the operation unit moves to a position where the fastening body is separated from the first stopper, and the force required to compress the first elastic body is the It may be set to be larger than the force required to compress the second elastic body.

The present invention may further include a second stopper provided in the housing and restricting movement of the fastening body when the fastening body is separated from the first stopper.

The present invention further includes a first plate and a second plate positioned in a space between the first body and the second body and providing a space in which the first elastic body is accommodated, wherein the second stopper includes the second stopper. At least one of one surface of the first plate facing the first stopper and one surface of the second plate may be provided.

The present invention provides a support body rotatably fixed to the first plate and the second plate; An extension portion extending from the support body toward the first stopper; one end of the first elastic body is fixed to the support body, and the other end is at least one of the first body and the second body. It is fixed, and the second stopper may be provided to position the fastening body separated from the first stopper under the extension part.

The present invention may further include a damper provided on any one of the fastening body and the second stopper to alleviate the impact generated when the fastening body and the second stopper collide.

The present invention may further include a damper fixed to the support body to prevent the fastening body from collided with the second stopper.

The first stopper may further include a seating portion supporting the free end of the extension to prevent the free end of the extension from being exposed to the outside of the first stopper.

a first body pressing unit provided in the first slider and pressing the first body so that the fastening body is separated from the first stopper when the conveying unit moves in a direction away from the inlet; and a second body pressing unit provided on the second slider and pressing the second body so that the fastening body is separated from the first stopper when the conveying unit moves in a direction away from the inlet; It may further include at least any one of.

The present invention is provided in the first body doedoe provided inclined upward toward the direction away from the inlet, when the transfer unit moves in the direction away from the inlet, the first body inclined surface in contact with the first body pressing unit; and a second body inclined surface provided on the second body and inclined upward in a direction away from the inlet, and contacting the second body pressing unit when the transfer unit moves in a direction away from the inlet; It may further include at least any one of.

The present invention is provided in the housing, the first receiving portion for providing a movement path of the first slider; It may further include; a second receiving part provided in the housing and providing a movement path of the second slider.

The second elastic body is provided inside the first accommodating part, a first spring for pressing the first slider in the direction of the inlet; and the second elastic body is provided inside the second accommodating part to press the second slider in the direction of the inlet a second spring; At least one of them may be provided.

The present invention provides a first bar provided to pass through the first slider to guide the movement of the first slider; It may further include; a second bar provided to pass through the second slider to guide the movement of the second slider.

The second elastic body includes a first spring into which the first bar is inserted and pressurizes the first slider in the direction of the inlet; and a second spring into which the second bar is inserted and presses the second slider in the direction of the inlet; At least one of them may be provided.

The present invention provides a first magnet provided in any one of the door and the cabinet; a first signal generator provided in the other one of the door and the cabinet, and sensing a magnetic force of the first magnet to generate an electrical signal when the door closes the inlet; a second magnet provided in any one of the door and the cabinet and spaced apart from the first magnet with the housing interposed therebetween; It may further include; a second signal generator provided in the other one of the door and the cabinet, for generating an electrical signal by sensing the magnetic force of the second magnet when the door closes the inlet.

The present invention provides a first detection unit for determining whether the fastening body is separated from the first stopper; It may further include; a second detection unit for determining whether the door has closed the inlet.

The first sensing unit may include: a first pressing unit contacting at least one of the first body and the second body when the fastening body is separated from the first stopper; and a first switch that generates an electrical signal when at least one of the first body and the second body comes into contact with the first pressing unit.

The first sensing unit may include: a first pressing unit contacting at least one of the first slider and the second slider when the operating unit moves to a position where the fastening body is separated from the first stopper; and a first switch that generates an electrical signal when at least one of the first slider and the second slider comes into contact with the first pressing unit.

The second sensing unit may include a magnet provided in any one of the door and the cabinet; It may further include; a signal generator provided in the other one of the door and the cabinet, for generating an electrical signal by sensing the magnetic force of the magnet when the door closes the inlet.

The second sensing unit may include a sensing body reciprocally provided within the housing; a protruding body that, when the door moves in a direction to close the inlet, contacts the door and moves the sensing body in a direction away from the inlet; a body support unit providing a force for moving the protruding body in a direction toward the inlet; When the door closes the inlet, a second pressing unit in contact with the sensing body; and a second switch that generates an electrical signal when the sensing body comes into contact with the second pressing unit.

The present invention is a cabinet equipped with an inlet; a tub provided inside the cabinet and forming a storage space for a storage object; a communication hole for communicating the tub and the inlet; A door first body for opening and closing the inlet, a door second body protruding from the door first body toward the tub, is provided in the door second body, and when the door first body closes the inlet, the communication hole is formed a door provided with a closing surface to close; a sealing part provided along the edge of the communication hole and compressed between the closing surface and the edge of the communication hole when the door first body closes the inlet; a holder provided on the door; a housing provided in the cabinet; a first stopper provided in the housing and positioned between the inlet and the communication hole; a fastening part detachably supported by the first stopper and coupled to the holder when separated from the first stopper; It is provided reciprocally inside the housing, and when the door first body moves in a direction to close the inlet, it comes into contact with the holder and moves toward the direction in which the communication hole is located, the direction in which the communication hole is located an operation part for separating the fastening part from the first stopper while moving toward the first stopper; a first elastic body providing a force for moving the fastening part in a direction away from the inlet; It provides a home appliance including;

The fastening unit is detachably coupled to the first stopper, and when separated from the first stopper, a fastening body coupled to the holder; and a first body and a second body extending from opposite ends of the fastening body toward a direction away from the inlet port, wherein the operation part is provided reciprocally in the housing and the first body and the second body a first slider and a second slider spaced apart from each other to form a space in which the body is accommodated; a transfer unit connecting the first slider and the second slider and moving toward the direction in which the communication hole is located by the holder; and at least one of the first slider and the second slider to separate the fastening body from the first stopper by contacting at least one of the first body and the second body according to the position of the transfer part. It may include a body pressing unit.

The reciprocating motion range of the conveying part may be set so that the closing surface does not contact the sealing part when the communication hole is closed.

The present invention can achieve the effect of providing a locking device in which the force input by the user to the door when closing the inlet is smaller than the force input by the user to the door when the inlet is opened, and a home appliance equipped with the locking device. .

In addition, the present invention can achieve the effect of providing a locking device provided with a holder and a fastening unit provided in a cabinet equipped with an inlet and a door closing the inlet, respectively, and a home appliance provided with the locking device.

In addition, the present invention can achieve the effect of providing a locking device for preventing the position of the fastening portion detachably coupled to the holder from deviate from the set position, and the home appliance provided with the locking device.

In addition, the present invention can achieve the effect of providing a locking device capable of performing a function of fixing a door to a cabinet even when the fastening part deviates from a set position, and a home appliance equipped with the locking device.

In addition, the present invention not only facilitates the coupling of the holder and the fastening part, but also achieves the effect of providing a locking device that prevents the fastening part from being separated from the holder when the holder and the fastening part are coupled, and a home appliance equipped with the locking device. can

In addition, the present invention achieves the effect of providing a locking device capable of coupling the holder and the fastening part even when the fastening part moves to the position where the fastening part is coupled to the holder even though the door does not close the inlet, and a home appliance equipped with the locking device can do.

In addition, the present invention can achieve the effect of providing a locking device for generating a sound signal that allows the user to confirm that the door is closed when the door closes the inlet and the home appliance equipped with the locking device.

In addition, the present invention can achieve the effect of providing a locking device capable of preventing an excessive increase in a sound signal generated when a door closes an inlet and a home appliance equipped with the locking device.

In addition, the present invention can achieve the effect of providing a locking device provided with a detection unit for determining whether a door is in a closed state, and a home appliance equipped with the locking device.

In addition, the present invention can achieve the effect of providing a locking device provided with a detection unit for detecting whether the coupling portion and the holder and whether the door has closed the inlet, and the home appliance equipped with the locking device.

1 shows an example of a home appliance equipped with a locking device of the present invention.
2 to 4 show an example of the locking device of the present invention.
5 to 6 show the operation process of the locking device of the present invention.
7 illustrates a process in which the holder and the fastening part are coupled in the locking device in an abnormal state.
8 shows an example of a locking device provided with a damper and a home appliance provided with the locking device.
9 shows an example of a gasket provided in the present invention.
10 to 13 are views illustrating a sensing unit provided in the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. On the other hand, the configuration or control method of the device to be described below is only for explaining the embodiment of the present invention, not for limiting the scope of the present invention, the same reference numerals used throughout the specification refer to the same components indicate the

The present invention relates to a locking device for removably fixing a door to a cabinet having an inlet, and FIG. 1 shows a case in which the locking devices H and C are provided in a dishwasher as an example.

The locking devices (H, C) of the present invention may be provided in various home appliances other than the dishwasher, but for convenience of explanation, the following description is based on the case in which the locking devices (H, C) are provided in the dishwasher 100 . do.

As shown in FIG. 1, the dishwasher 100 includes a cabinet 1, a tub 11 provided inside the cabinet to provide a washing space, spray arms 21 and 23 for spraying water to a washing object, and the It may be provided as a pump (4) for supplying water to the spray arm.

A rack in which the object to be washed is accommodated may be provided inside the tub 11, wherein the rack includes an upper rack 191 provided in an upper region of the tub, and a lower rack 193 provided under the upper rack. ) can be provided.

The tub 11 communicates with the outside of the cabinet through an inlet 111 (refer to FIG. 5 ), and the inlet 111 is opened and closed by the door 16 . Accordingly, the user can take out the racks 191 and 193 from the tub 11 after opening the inlet 111 through the door 16 .

When the rack is provided with an upper rack 191 and a lower rack 193 , the spray arm is an upper arm 21 that sprays water to the upper rack 191 , and a lower part that sprays water to the lower rack 193 . The arm 23 may be provided.

The water (water remaining in the tub) sprayed from the spray arms 21 and 23 to the object to be washed may be recovered by the sump 13 .

The sump 13 is provided under the tub 11 to store water, and may be distinguished from the tub 11 through the sump cover 15 . In this case, the sump cover 15 may be provided with a recovery hole 151 for introducing the water inside the tub 11 into the sump 13 .

Meanwhile, the sump 13 may be connected to a water supply source (not shown) through a water supply passage 135 , and the water supply passage 135 may be provided to be opened and closed by a valve 136 .

The water stored in the sump 13 is discharged to the outside of the dishwasher through the drain passage 137 and the drain pump 139 .

The water stored in the sump 13 is supplied to the injection arms 21 and 23 through a pump 4 and a supply passage 3, and the supply passage 3 is a connection passage connected to the pump 4 ( 31), a first supply passage 33 connecting the connection passage and the upper arm 21 , and a second supply passage 35 connecting the connection passage and the lower arm 23 .

The upper arm 21 may be rotatably coupled to the first supply passage 33 , and the lower arm 23 may be rotatably coupled to the second supply passage 35 .

The first supply passage 33 and the second supply passage 35 may be provided by branching the connection passage 31 . In this case, the branching point of the first supply passage 33 and the second supply passage 35 . A switching valve 37 for controlling the opening and closing of each supply flow path may be provided.

The pump 4 divides a pump body 41 fixed inside the cabinet 1, and a space inside the pump body 41, and includes a pump first chamber 421 and a pump product inside the pump body 41. The partition wall 42 forming the second chamber 422, the partition wall through hole 43 provided in the partition wall 42 to communicate the pump first chamber 421 and the pump second chamber 422, and the second pump It may be provided with an impeller 45 provided in the chamber.

The first pump chamber 421 is connected to the sump 13 through a pump inlet 423 provided to pass through the pump body 41 , and the second pump chamber 422 is connected to the pump body 41 . It is connected to the connection passage 31 through the pump discharge part 424 provided to pass through.

The impeller 45 is rotated by a motor 46 fixed to the upper surface of the pump body 41 , and the rotating shaft of the motor passes through the upper surface of the pump body and is connected to the impeller 45 .

Meanwhile, a heating unit 47 is provided on the bottom surface of the pump first chamber 421 . When the pump body 41 has a cylindrical shape with an open lower surface, the heating part 47 may be provided to form the bottom surface of the pump first chamber 421 .

In this case, the heating unit 47 includes a heating plate 471 forming a bottom surface of the pump first chamber 421 , a heater 473 fixed to the heating plate and positioned outside the pump first chamber 421 . ) can be provided. The heating plate 471 is preferably made of a metal that easily transfers heat.

Since the heating unit 47 is provided to form the bottom surface of the pump first chamber 421, the present invention is capable of simultaneously performing a function of supplying water to the spray arms 21 and 23 and a function of heating water. A pump 4 may be provided.

In addition, the dishwasher 100 provided with the above-described pump 4 may supply steam to the tub 11 through the heating unit 47 provided in the pump 4 . To this end, the dishwasher 100 may further include a steam supply unit 25 .

The steam supply unit 25 includes a nozzle 251 for spraying steam into the tub 11, a steam supply pipe 253 connecting the nozzle 251 and the first pump chamber 421, and the steam supply pipe. It may be provided with a steam valve 255 to open and close.

1 illustrates a case in which the nozzle 251 is provided on the door 16 as an example. In this case, the nozzle 251 is preferably fixed to the lower part of one surface of the door forming the cleaning space.

On the other hand, in the dishwasher 100 having the above-described structure, the door 16 may be detachably fixed to the cabinet 1 through the locking devices H and C. The locking device provided in the present invention includes the door ( 16) and a holder (H) provided in any one of the cabinet (1), and a coupling portion (C) provided in the other one of the door and the cabinet to which the holder (H) is detachably coupled.

In the conventional locking device, the force required to fix the door 16 to the cabinet 1 (force required to couple the holder to the coupling portion) and the force required to separate the door 16 from the cabinet 1 (the force required to attach the holder to the coupling portion) The force required to separate) was the same.

On the other hand, home appliances (dishwashers, washing machines, dryers, etc.) that can increase the pressure in the space communicating with the inlet provide a fastening force that prevents the door from separating from the cabinet even if the pressure in the space where the lock communicates with the inlet rises. It had to be designed to do that.

However, the conventional locking device that provides sufficient fastening force so that the door is not separated from the cabinet can prevent the problem that the door opens the inlet while the home appliance is in operation. There was a disadvantage of having to input more force into the door than necessary.

In the locking device (H, C) provided in the present invention, the force that must be input to couple the holder (H) to the coupling part (C) is the force that must be input to separate the holder (H) from the coupling part (C). It is characterized by being smaller.

That is, in the locking devices (H, C) provided in the present invention, when the user inputs the force to the door 16 when the inlet 111 is closed, the user enters the door 16 when the inlet 111 is opened. It is characterized by a smaller force than the

As mentioned above, the holder (H) may be provided in any one of the door and the cabinet, and the coupling part (C) may be provided in the other one of the door and the cabinet. Hereinafter, for convenience of description, the holder (H) is provided in the door 16, the coupling portion (C) will be described based on the case provided in the cabinet (1).

2, the holder (H) may include a holder body (51) fixed to the door (16), a protrusion (53) provided on the holder body and fastened to the coupling portion (C). have. The holder body 51 may further include a receiving groove 54 in which the coupling body 75 to be described later is accommodated.

The shape of the holder (H) may be variously modified according to the shape of the coupling part (C). In addition, unlike shown in FIG. 2 , the holder H may be provided only with the receiving groove 54 provided by bending the upper surface of the door 16 to be concave.

In either case, the coupling part C is connected to the inside of the housing by the housing 6 fixed to the cabinet 1, the stopper 611 (first stopper) provided in the housing 6, and the holder H. The operating part 9 provided reciprocally (refer to FIG. 3), while maintaining the state supported by the stopper 611, the direction in which the operating part 9 moves away from the inlet 111 by the holder H When moving toward the fastening part 7 (refer to FIG. 3) separated from the stopper 611 and coupled to the holder H, the force of moving the fastening part 7 away from the inlet 111 is applied. It may include a first elastic body 77 to provide, and second elastic bodies 981 and 983 to provide a force to move the operation unit 9 in the direction in which the inlet 111 is located.

The housing 6 may be provided in any shape as long as it can implement the above-described movement of the fastening part 7 and the operating part 9 . That is, the housing 6 is formed inside the cabinet 1 and may be provided as a space for guiding the movement of the fastening part 7 and the operating part 9 , and is a separate part coupled to the cabinet 1 . may be provided.

2 and 4 show the front surface 63 of the housing 6 facing the direction in which the inlet 111 is located, the upper surface 61 and the lower portion respectively located on the upper and lower portions of the front surface 63. A case in which it is provided in a shape including the surface 62 is illustrated as an example.

In this case, the lower surface 62 is provided with a lower surface through-hole 621 forming a space in which the protrusion 53 of the holder and the fastening part 7 can contact, and the stopper 611 is connected to the housing. It may be provided to protrude from the upper surface 61 to the lower surface through-hole 621 of the.

However, the lower surface through-hole 621 may not be provided depending on the shape of the housing 6 . That is, if the entire holder H is inserted into the housing 6 and coupled to the fastening part 7 , a means such as the lower surface through hole 621 will not be necessary. In this case, a hole through which the holder is inserted into the housing 6 should be provided on the front surface 63 of the housing.

As shown in FIG. 3 , the fastening part 7 includes a fastening body 75 detachably provided on the first stopper 611 , and the inlet 111 from opposite ends of the fastening body 75 . It may include a first body 71 and a second body 74 extending in a direction away from the.

The first body 71 and the second body 74 may be provided in any shape as long as they can reciprocate along a direction parallel to the movement trajectory of the holder H inside the housing 6, and the drawing shows the first A case in which the body 71 and the second body 74 are provided in a bar shape extending from the fastening body 75 toward the rear surface of the housing is illustrated as an example.

The fastening body 75 is separated from the first stopper 611 when the first body 71 or the second body 74 is pressed by the operation unit 9, and the first stopper 611 The fastening body 75 separated from the holder may be inserted into the receiving groove 54 of the holder to support the protrusion 53 .

The operation part 9 is characterized in that it is reciprocable in a direction parallel to the movement trajectory of the holder H inside the housing 6, and the operation part 9 is a first slider that reciprocates inside the housing ( 91) and a second slider 94, a transfer unit 95 that connects the first slider and the second slider and is movable in a direction away from the inlet 111 by the holder H.

The first slider 91 and the second slider 94 are spaced apart from each other to form a space in which the first body 71 and the second body 74 are accommodated, but are connected to each other through the transfer unit 95 . do.

The shapes of the first slider 91 and the second slider 94 may be provided in any shape as long as they can reciprocate inside the housing 6 . A case in which a bar shape is provided in parallel to the 71 and the second body 74, respectively, is illustrated as an example.

On the other hand, the transfer unit 95 may connect the sliders 91 and 94 to each other, and when the door 16 closes the inlet 111, it is moved from the inlet 111 by the protrusion 53 of the holder. As long as it can be moved in a distant direction, it may be provided in any shape. However, when the lower surface through-hole 621 is provided in the lower surface 62 of the housing, the transfer part 95 may be provided to be exposed to the outside of the lower surface through-hole 621 .

Furthermore, when the transfer unit 95 moves in a direction away from the inlet 111 , the operation unit 9 includes the first body so that the fastening body 75 moves in a direction separated from the first stopper 611 . A body pressing unit for pressing at least one of the 71 and the second body 74 may be further provided.

3 shows the body pressing part provided on the first slider 91 and provided on the first body pressing part 913 and the second slider 94 for pressing the first body 71 to the second body A case in which the second body pressing part 943 for pressing the 74 is provided is illustrated as an example.

The first body pressing part 913 may be provided to protrude from the first slider 91 toward the second slider 94 , and the second body pressing part 913 may be provided with the second slider 94 . ) may be provided to protrude toward the first slider 91 .

In this case, the first body 71 is provided with a first body inclined surface 711 to which the first body pressing part 913 is in contact, and the second body pressing part 943 is provided on the second body 74 . ) may be provided with a second body inclined surface 741 in contact.

The first body inclined surface 711 is provided to contact the first body pressing part 913 only when the first slider 91 moves a predetermined distance in a direction away from the inlet 111 . That is, the first body inclined surface 711 may be provided to be inclined upward in a direction away from the inlet 111 at a point where the fastening body 75 is located in the region of the first body 71 .

Similarly, the second body inclined surface 741 may be provided to be inclined upward in a direction away from the inlet 111 at a point where the fastening body 75 is located in the area of the second body 74 .

The actuating part 9 is provided with a first slider 91 and a second slider 94 positioned outside the space formed between the first body 71 and the second body 74, the fastening part This is in case the position of (7) is changed inside the housing (6).

As described above, the first body 71 and the second body 74 are provided to reciprocate inside the housing 6 , and the fastening body 75 includes the first body 71 and the second body. Since it is coupled to (74), when the positions of the first body (71) and the second body (74) are out of a preset position, a problem may occur that the fastening body (75) cannot be coupled to the holder (H). .

However, in the present invention, since the first body 71 and the second body 74 are located in the space formed between the first slider 91 and the second slider 94, the first body and the second body Deviation from the set position inside the housing can be minimized.

Furthermore, the first slider 91 and the second slider 94 provided on the outside of the first body 71 and the second body 74, respectively, are the first body 71 and the second body 74. Even if deviated from a preset position, there is an effect that the fastening body 75 can be separated from the first stopper 611 at a desired time.

Assume that the position of the fastening part 7 is deviated from the set position in a state in which the operation part 9 is provided with only one slider.

In this case, when the transfer unit 95 is moved in a direction away from the inlet 111 by the holder H, the operating unit 9 provided as a single slider moves the first body 71 or The second body 74 may be pressurized, and there may be a problem that neither the first body 71 nor the second body 74 is pressurized.

However, when the operation part 9 is provided with a first slider and a second slider spaced apart from each other to provide a space in which the first body 71 and the second body 74 are accommodated, the fastening body 74 is The time of separation from the first stopper 611 may be kept constant. Since the first slider 91 and the second slider 94 are means for minimizing the range in which the first body 71 and the second body 74 deviate from the set positions, the body pressing parts 913 and 943 are used. This is because the deviation of the timing when any one of the bodies 71 and 74 is in contact with any one of the bodies 71 and 74 will be minimized.

Meanwhile, as shown in FIG. 2 , the operation unit 9 includes a first guider 96 and a second guider 97 for guiding the movement of the first slider 91 and the second slider 94 . may be provided.

The first guider 96 is provided inside the housing 6 to pass through a first receiving part 963 that provides a movement path of the first slider 91 and the first slider 91. At least one of the first bars 961 providing a movement path of the first slider 91 may be provided.

Similarly, the second guider 97 is provided inside the housing 6 to pass through the second receiving part 973 and the second slider 94 providing a movement path of the second slider 94. At least one of the second bars 971 providing a movement path of the second slider 94 may be provided.

In FIG. 2 , the first guider 96 includes a first bar 961 and a first accommodating part 963 , and the second guider 97 includes a second bar 971 and a second accommodating part 973 . ) is illustrated as an example, but at least one of the first bar 961 and the second bar 971 may be omitted.

The second elastic body is provided in the first accommodating part 963 and provided in the first spring 981 and the second accommodating part 973 for pressing the first slider 91 in the inlet 111 direction. to be provided with at least one of the second springs 983 for pressing the second slider 94 in the direction of the inlet 111 .

When the first bar 961 and the second bar 971 are provided, the first bar 961 is inserted into the first spring 981 and fixed inside the first receiving part 963, The second bar 971 may be provided to be inserted into the second spring 983 to be fixed inside the second accommodating part 973 . This is to prevent the respective springs 981 and 983 from being deviated or damaged when the first slider 91 and the second slider 94 reciprocate inside each of the receiving portions 963 and 973 .

In the actuating part 9 having the above-described structure, when the door 16 closes the inlet 111, the protrusion 53 of the holder H contacts the transfer part 95, so that each slider 91, 94 is It will move in a direction away from the inlet 111 (the rear of the housing).

At this time, since the first spring 981 and the second spring 983 are compressed inside each receiving part 963 and 973, when the external force input to the transfer part 95 by the holder H disappears ( When the door moves in the direction in which the inlet is opened), each of the sliders 91 and 94 will move in the direction of the inlet 111 by the restoring force of the first and second springs 981 and 983 .

One end of the first elastic body 77 providing a force to move the fastening part 7 in a direction away from the inlet 111 (the rear surface of the housing) is fixed to the housing 6, and the other end is the It may be fixed to at least one of the free end of the first body 71 and the free end of the second body 74 .

To this end, the housing 6 is provided with a support portion 8 for supporting one end of the first elastic body 77 , and the free end of the first body 71 and the free end of the second body 74 are provided with the first elastic body 77 . A first coupling groove 713 and a second coupling groove 743 to which the other end of the first elastic body 77 is fixed may be provided, respectively.

As shown in FIG. 4 , the first elastic body 77 is disposed between the support part 8 and the coupling grooves 713 and 743 when the fastening body 75 is supported by the stopper 611 . It may be provided with a spring that maintains a compressed state.

One end of the first elastic body 77 is fixed to the support part 8 fixed to the housing 6, and the other end of the first elastic body 77 is fixed to the free ends of the bodies 71 and 74 and compressed. Therefore, when the fastening body 75 is supported by the first stopper 611 , the first elastic body 77 is free of the free end of the first body 71 and the second body 74 . The stage will provide a force to move away from the support 8 . Accordingly, when the fastening body 75 is supported by the first stopper 611 , the first elastic body 77 prevents the fastening body 75 from being separated from the first stopper 611 .

However, when the fastening body 75 is separated from the first stopper 611 , the length of the first elastic body 77 will increase in a direction away from the support part 8 due to the restoring force. Accordingly, the above-described first elastic body 77 may move the fastening body 75 away from the inlet 111 when the fastening body 75 is separated from the first stopper 611 .

The locking devices H and C having the above-described structure operate as shown in FIGS. 5 and 6 .

5 shows a case in which the door 16 is in an opened state of the inlet 111, in this case, the fastening body 75 is a first stopper 611 by the force provided by the first elastic body 77. remain supported on

On the other hand, when the user moves the door 16 in the direction to close the inlet 111 , the protrusion 53 of the holder H provided in the door is connected to the coupling part ( will move towards C).

As shown in FIG. 6 , while the door 16 rotates to close the inlet 111 , the protrusion 53 of the holder moves the transfer unit 95 provided in the coupling portion away from the inlet 111 . pressurize with

When the transfer unit 95 moves away from the inlet 111 by the protrusion 53, the first slider 91 and the second slider 94 connected to each other through the transfer unit 95 form a second elastic body ( 981 and 983 are moved in a direction away from the inlet 111 while pressing.

When the first and second sliders move in a direction away from the inlet 111, the first body 71 and the second body 74 provided in the fastening part 7 pressurize the body provided in each slider. It is pressed toward the lower surface 62 of the housing by the portions 913 and 943 .

When the first body 71 and the second body 74 are pressed in the direction of the lower surface of the housing, the fastening body 75 supported by the first stopper 611 is separated from the first stopper 611 and the It moves in the direction of the lower surface through-hole 621, and in this process, the fastening body 75 is inserted into the receiving groove 54 of the holder.

On the other hand, when the fastening body 75 is separated from the first stopper 611 , the free end of the first body 71 and the free end of the second body 74 are separated by the restoring force of the first elastic body 77 . It moves in a direction away from the inlet 111 .

When the fastening body 75 is separated from the first stopper 611, the fastening body 75 is inserted into the receiving groove 54 of the holder, and the restoring force of the first elastic body 77 is the first Since it is set to be larger than the force required to compress the second elastic body, as long as the fastening body 75 is separated from the first stopper 611, the first elastic body 77 moves the holder H to the inlet 111 direction. will do Accordingly, the present invention can minimize the force that the user must input to the door 16 when closing the inlet 111.

In addition, when the fastening body 75 is inserted into the receiving groove 54 of the holder, the protrusion 53 of the holder is located in the space between the fastening body 75 and the transfer part 95, so that the door 16 ) can fix the position of the protrusion 53 when the inlet 111 is closed. Therefore, the locking device (H, C) of the present invention can minimize the movement of the door 16 in the direction in which the inlet 111 is opened when the door 16 closes the inlet 111 (door It is possible to prevent a gap between the and the inlet).

On the other hand, when the user wants to open the inlet 111 by opening the door 16, the user pulls the door 16 away from the inlet 111. In this case, the fastening body 75 is the protrusion 53 of the holder. ) moves toward the inlet 111 by the

When the fastening body 75 moves toward the inlet 111 , the first elastic body 77 has a free end of the first body 71 fixed to the fastening body 75 and a free end of the second body 74 . will be compressed in the direction of the support 8 by the will be.

On the other hand, when the first elastic body 77 is compressed in the direction of the support part 8 as the fastening body 75 moves in the direction in which the inlet 111 is located, the fastening body 75 receives the holder It is drawn out from the groove 54 and is coupled to the first stopper 611 . Accordingly, the user may separate the holder H from the coupling portion C by inputting a force for compressing the first elastic body 77 to the door to the door.

The locking device having the above-described structure requires a force corresponding to the force required to compress the second elastic bodies 981 and 983 when the inlet 111 is closed, and when the inlet 111 is opened, the first The force required to compress the elastic body 77 requires a significant force.

As mentioned above, the force required to compress the first elastic body 77 is the force required to compress the second elastic body 981 and 983 in the first elastic body 77 and the second elastic body 981 and 983 . Since it is set larger, the present invention can provide a locking device in which the force that must be input to the door to open the inlet 111 is greater than the force that must be input to the door to close the inlet 111 .

On the other hand, when the fastening body 75 moves in the direction in which the inlet 111 is located, in order for the holder H to be separated from the coupling part C (for the door to move in the direction of opening the inlet), the fastening In order to prevent the body 75 from interfering with the front surface 63 of the housing, a through hole 631 through which the fastening body 75 can be drawn out to the outside of the housing 6 is further provided on the front surface 63 of the housing. can be

In the locking device having the above-described structure, when an external force is transmitted to the housing 6 through the cabinet 1 even when the door 16 is in a state in which the inlet 111 is opened, the fastening body 75 is the first stopper (611) cannot be excluded.

When the door 16 opens the inlet 111, as shown in FIG. 5, when the state in which the fastening body 75 is supported by the first stopper 611 is maintained as a normal state, as shown in FIG. A state in which the fastening body 75 is separated from the first stopper 611 may be defined as an abnormal state.

The locking device (H, C) of the present invention requires a device capable of coupling the holder and the fastening part even if the fastening part 7 is in an abnormal state. If the aforementioned support part 8 is provided with the structure shown in FIG. The support part 8 may be a means for coupling the holder and the fastening part even if the fastening part is in an abnormal state.

As shown in FIG. 2 , the support part 8 is rotatably fixed to the housing 6 , the support body 87 to which one end of the first elastic body 77 is fixed, and the first in the support body 87 . It may be provided as an extension 89 extending toward the stopper 611 .

As shown in FIG. 4 , a first plate 81 and a second plate 83 that are provided spaced apart from each other so as to provide a space in which the first elastic body 77 is accommodated in the housing 6 are provided. In this case, the support body 87 may be positioned between the first plate 81 and the second plate 83 .

The first plate 81 and the second plate 83 provide a movement path of the first elastic body 77 to prevent the first elastic body 77 from being displaced or damaged.

In addition, the first plate 81 and the second plate 83 have a stopper 811 for preventing the fastening body 75 separated from the first stopper 611 from moving toward the rear of the housing 6 , The function of the second stopper) may also be performed. In this case, the second stopper may support the fastening body 75 so that the fastening body 75 separated from the first stopper 611 is positioned below the extension part 89 .

The second stopper may be provided with at least one of one surface 811 of the first plate facing the first stopper 611 and one surface 831 of the second plate facing the first stopper 611, FIG. 4 illustrates a case in which the second stopper is provided as the front surface 811 of the first plate and the front surface 831 of the second plate as an example.

The support body 87 is provided with a shaft 871 protruding toward each plate 81 and 83 to form a rotation shaft of the extension 89, and the first plate 81 and the second plate 83 are provided. ) may further include a shaft support portion 85 in which each shaft is accommodated.

Of course, the shaft support portion 85 is provided on both sides of the support body 87 facing each plate, respectively, and the shaft 871 is provided to protrude from each plate 81, 83 toward each shaft support portion. it might be

As shown in FIG. 7 , when the fastening body 75 is separated from the first stopper 611 , the extended part 89 is configured to support the fastening body 75 with the first stopper 611 . It is a means for moving to the space (P) formed between the body (87).

When the fastening body 75 is separated from the first stopper 611, the fastening body 75 is supported by the second stoppers 811 and 831 to be positioned below the extension part 89, and In the same state, when the user pushes the door 16 to close the inlet 111 , the protrusion 53 of the holder will press the fastening body 75 in the direction of the extension part 89 .

In order to facilitate pressurization of the fastening body 75 in the direction of the extension part 89, a region in which the protrusion 53 of the holder comes into contact with the space formed by the fastening body 75 may be provided with an inclined surface. can

When the fastening body 75 is pressed in the direction of the extension 89, the extension 89 will rotate in the direction away from the fastening body 75 about the axis 871, so that the fastening body 75 ) will move to a space (P, a space formed between the first stopper and the second stopper) formed between the first stopper 611 and the support body 87 .

When the fastening body 75 moves into the space P formed between the first stopper 611 and the second stoppers 811 and 831 , the protrusion 53 of the holder H moves with the transfer part 95 and It will move between the fastening bodies 75 to be in the same state as in FIG. 6 . Therefore, the present invention has an effect that can couple the holder (H) and the coupling portion (C) even if the fastening body (75) is separated from the first stopper (611) without the holder (H).

Meanwhile, the first stopper 611 may further include a seating portion 613 for supporting the free end of the extension portion 89 . The seating portion 613 includes the extension portion 89 of the housing. It becomes a means for preventing rotation in the direction of the lower surface through-hole 621 provided on the lower surface.

As another means for preventing the extension 89 from rotating in the direction of the lower surface through hole 621 , the upper surface 61 of the housing has a first hole for supporting the upper end of the support body 87 . 615 may be further provided.

The extension part 89 may further include a fastening body pressing part 88 capable of preventing the fastening body 75 from being drawn out from the receiving groove 54 of the holder.

As shown in FIG. 6 , the fastening body pressing part 88 is provided to protrude from the lower surface of the extended part 89 (the face positioned in the direction in which the fastening body is positioned), and the fastening body 75 ) is separated from the first stopper 611 , the fastening body pressing part 88 presses the fastening body 75 in the direction of the receiving groove 54 of the holder.

The extension part 89 will maintain a state in contact with the seating part 613 by the first elastic body 77 , and the fastening body pressing part 88 is in contact with the upper end of the fastening body 75 . Therefore, the locking device (H, C) of the present invention, the locking body 75 is the receiving groove 54 of the holder (H) unless an external force is input to the door when the door 16 closes the inlet 111. ) to prevent separation from

The upper surface 61 of the housing may further include a second hole 617 for preventing the free end of the extension from interfering with the upper surface of the housing when the extension 89 rotates.

In addition to the first plate 81 and the second plate 83, the housing 6 may further include an elastic guide 64 for guiding the movement of the first elastic body 77, the elastic guider ( 64 , as shown in FIG. 2 , may be located above each of the plates 81 and 83 .

On the other hand, since the locking devices H and C having the above-described structure collide with the second stoppers 811 and 831 when the fastening body 75 is separated from the first stopper 611, the fastening body moves from the first stopper. It generates a sound signal indicating whether it is separated or not. Accordingly, the user can check whether the inlet 111 is closed by the door 16 through the signal that the fastening body 75 collides with the second stoppers 811 and 831 .

The louder the sound signal for confirming whether the door is closed, the more advantageous it is, but in this case, there is a risk of damage to the fastening body 75 or the second stoppers 811 and 831, so it is necessary to appropriately adjust the size of the sound signal.

The magnitude of the sound signal that the fastening body 75 collides with the second stoppers 811 and 831 is determined according to the restoring force of the first elastic body 77, and the locking device of the present invention has the restoring force of the first elastic body 77. Since the structure is difficult to reduce, it is preferable to provide a separate buffer means to the locking device in order to reduce the volume of the sound that the fastening body 75 collides with the second stoppers 811 and 831.

FIG. 8 shows the damper 84 provided in the second stoppers 811 and 831 or the support part 8 as an example of the buffer means.

As described above, the fastening body 75 separated from the first stopper 611 by the transfer unit 95 collides with the second stoppers 811 and 831, and a sound signal is generated in this process. Therefore, if the second stoppers 811 and 831 are provided with a damper 84 that absorbs some of the shocks generated when the fastening body 75 collides with the second stoppers 811 and 831, the fastening body or the second stoppers 811 and 831 are provided. It is possible to prevent the breakage of the second stopper as well as prevent the sound signal generated when the fastening body collides with the second stopper from increasing more than necessary.

If the above-described function can be implemented, the damper 84 may be made of any material, and rubber may be an example thereof.

8 is characterized in that it is possible to prevent the fastening body 75 from colliding with the second stoppers 811 and 831, and the damper 84 according to this embodiment is attached to the support body 87. provided That is, the damper 84 according to the present embodiment may be fixed to the lower portion of the extension portion 89 through the receiving portion 82 .

Since the fastening body 75 separated from the first stopper 611 is located below the extension part 89 provided in the support part, the fastening body 75 and the second stopper 811 are attached to the support part 7 . , 831), if provided with a damper 84 to separate the distance between the fastening body 75 can prevent the second stoppers (811, 831) to collide.

On the other hand, when the locking device of the present invention is provided in a home appliance such as the dishwasher 100, the dishwasher may further include a gasket 17 for sealing the inlet 111 when the door 16 is closed. have.

The gasket 17 is a means for preventing the air or water inside the tub 11 from leaking to the outside of the tub 11 through the inlet 111 when the door 16 closes the inlet 111 . to be.

To this end, as shown in FIG. 9 , a gasket fixing part 113 to which the gasket 17 is fixed may be provided inside the tub 11 . The gasket fixing part 113 may be provided by protruding from the inner circumferential surface of the tub 11 and then bent toward the door 15 .

In this case, the gasket fixing part 113 will form a communication hole 115 for communicating the inlet 111 and the inside of the tub 11 , and the user may use the communication hole 115 inside the tub 11 . The racks 191 and 193 located in the tub will be drawn out of the tub.

When the communication hole 115 is formed by the gasket fixing part 113 , the door 16 is fixed to the door first body 161 forming the exterior of the dishwasher and the door first body to communicate the communication hole 115 . The door second body 163 protruding toward the hole 115, the closing surface 167 provided on the door second body and closing the communication hole 115 when the first door body closes the inlet 111 ) may be provided to include. In this case, the holder H provided in the locking device may be provided on the upper surface 1631 of the door second body 163 .

As shown in FIG. 8 , the gasket 17 includes a fixing part 171 inserted into the gasket fixing part 113 , and provided in the fixing part between the door second body 163 and the communication hole 115 . It may be provided with a sealing part 173 located in the .

In the dishwasher having the above-described structure, when the first door body 161 closes the inlet 111, the closing surface 167 provided on the second door body closes the communication hole 115, and the sealing The part 173 is compressed between the closing surface 167 and the communication hole 115 . Accordingly, the air or water inside the tub 11 is prevented from leaking to the outside of the tub.

On the other hand, in order to prevent the sealing part 173 from being damaged by the locking device (H, C) of the present invention, the movement range of the transfer part 95 provided in the locking device should be set not to contact the sealing part 173. do.

The holder (H) provided in the locking device is located on the upper surface 1631 of the second body of the door, and when the inlet 111 is closed, the transfer part 95 provided in the coupling part C is the protrusion 53 of the holder. ) from the inlet 111 to the communication hole 115 is provided to move. Accordingly, when the movement range of the transfer unit 95 is set to be out of the upper surface 1631 of the door second body, the transfer unit 95 closes the inlet 111 when the door 16 closes the sealing part 173 . ), there is a risk that the sealing portion 173 may be damaged due to this. In conclusion, it is preferable that the movement range of the transfer unit 95 provided in the present invention is set so as not to deviate from the space formed between the closing surface 167 provided on the door first body 161 and the door second body.

10 shows an example of a home appliance provided with a sensing unit for determining whether the door 16 has closed the inlet 111. The sensing unit provided in this embodiment includes the first sensing unit S1 and the second sensing unit. It may be provided as a sensing unit (S2).

The first detection unit S1 includes a first magnet S11 provided in the door 16 and a first signal generator provided in the cabinet 1 to generate an electrical signal when the magnetic force of the first magnet is sensed ( S13), and the second sensing unit S2 is provided in the second magnet S21 provided in the door 16 and the cabinet 1 to generate an electrical signal when the magnetic force of the second magnet is sensed. It may be provided as a second signal generator (S23).

The first signal generating unit (S13) is provided as a means for generating an electrical signal when the first magnet (S11) is located within a preset range and transmitting it to a control unit (not shown), and the second signal generating unit (S23) may be provided to generate an electrical signal and transmit it to a control unit (not shown) when the second magnet S21 is located within a preset range. That is, when it is determined that the magnitude of the magnetic force provided by the magnets S11 and S21 is greater than or equal to the preset reference magnetic force, the first signal generating unit S13 and the second signal generating unit S23 generate an electrical signal to the control unit It may be provided to transmit to.

The above-described sensing unit may be provided with only one of the first sensing unit S1 and the second sensing unit S2. However, if two or more sensing units are provided as shown in FIG. 10 , the control unit will be able to determine whether the inlet 111 is opened or closed even if any one of the sensing units fails.

Meanwhile, when the above-described sensing unit is provided in the dishwasher, the controller may control the dishwasher according to whether the door 16 closes the inlet 111 . That is, the controller may operate the pump 4 or the steam supply unit 25 only when the inlet 111 is closed by the door 16 . Furthermore, when the inlet 111 is not closed, the control unit may notify the user through a notification unit (speaker, display unit, etc.).

Although the first detection unit S1 and the second detection unit S2 shown in FIG. 10 are provided to determine whether the door has opened or closed the inlet 111, the first detection unit S1 and one of the second sensing units (S2) is provided to determine whether the door has opened the inlet, and the other of the first and second sensing units is provided to determine whether the fastening unit (7) operates. it might be

This is in consideration of the case in which the fastening body 76 is separated from the first stopper 611 even though the door 16 does not close the inlet 111 as described with reference to FIG. 7 . In this case, the control unit determines whether the inlet 111 is opened or closed through any one of the first detection unit and the second detection unit, and determines whether the fastening unit operates through the other one of the first detection unit and the second detection unit Thus, when the fastening body 75 is separated from the first stopper 611 by an external force, it is possible to notify the user through the notification unit (not shown).

That is, when both the first detection unit S1 and the second detection unit S2 transmit electrical signals, the control unit will determine that the door normally closes the inlet 111 . However, when only one of the two sensing units S1 and S2 transmits an electrical signal, the notification unit may notify the user that the door fails to close the inlet normally.

The sensing unit for determining whether the fastening part 7 operates is a magnet provided in at least one of the first body 71 and the second body 74 of the fastening part 7, and the fastening body 75 is the first When separated from the stopper 611, it may be provided as a signal generator for generating an electrical signal by sensing the magnetic force of the magnet.

In addition, the sensing unit for determining whether the fastening part 7 operates is a magnet provided in at least one of the first slider 91 and the second slider 94 , and the fastening body 75 includes the first stopper 611 . ), when the sliders 91 and 94 are moved to the separating position, it may be provided as a signal generator for generating an electrical signal by sensing the magnetic force of the magnet.

11 shows another embodiment of the sensing unit, the sensing unit according to this embodiment determines whether the first sensing unit S1 for determining whether the fastening unit 7 operates, and whether the door closes the inlet 111 It is characterized in that it is provided as a second sensing unit (S2) for judging.

The first sensing unit S1 provided in this embodiment includes a first case S15 fixed to the cabinet 1 or housing 6, etc., and a first switch provided inside the first case to generate an electrical signal ( S19), when the fastening body 75 is separated from the first stopper 611, it contacts at least one of the first body 71 and the second body 74 to operate the first switch S19. It may be provided as a first pressing unit (S17).

Accordingly, when the fastening body 75 is separated from the first stopper 611, the first pressing unit S17 operates the first switch S19, and the first switch S19 receives an electrical signal. Since it is generated and transmitted to the control unit, the control unit can detect whether the fastening unit 7 operates.

Meanwhile, the second sensing unit S2 provided in this embodiment may be provided in the same manner as the second sensing unit provided in the embodiment of FIG. 10 . That is, the second sensing unit S2 provided in this embodiment includes the second magnet S21 provided in the door 16 and the second signal generator provided in the cabinet 1 to detect the magnetic force of the second magnet. (S23) may be provided.

In this case, the second signal generating unit (S23) generates an electrical signal when the second magnet (S21) is located within a preset range (when the door moves to a position to close the inlet) to the control unit (not shown). will be sent

However, the second sensing unit S2 of FIG. 11 may have the same structure as the first sensing unit S1 . In this case, the second sensing unit S2 includes a second case fixed to the cabinet 1 or housing 6, a second switch provided inside the second case to generate an electrical signal, and the door 111) may be provided as a second pressing unit that contacts the door and operates the second switch.

Accordingly, when the control unit receives an electrical signal from the first sensing unit S1 and the second sensing unit S2, it is determined that the door normally closes the inlet 111, and any of the two sensing units S1 and S2 is determined. When only one electric signal is transmitted, the notification unit may notify the user that the door has not normally closed the inlet.

12 and 13 show another embodiment of the sensing unit, the sensing unit provided in this embodiment also includes the first sensing unit S1 for determining whether the fastening unit 7 operates, and the door 16 is provided as a second detection unit (S2) for determining whether or not the inlet 111 is closed.

The first sensing unit S1 provided in this embodiment is characterized in that it determines whether the fastening unit 7 operates based on whether the sliders 91 and 94 are moved. When the sliders 91 and 94 move to a position that separates the fastening body 75 from the first stopper 611, the first pressing part S17 is pressed by the slider, It may be provided as a first switch (S19) provided inside the first case and generating an electrical signal when the first pressing unit (S17) comes into contact with the sliders (91, 94).

The first pressing unit S17 may be provided to sense the position of at least one of the first slider 91 and the second slider 94 . 12 shows when the first slider 91 is moved to a position that separates the fastening body 75 from the first stopper 611, the first pressing part S17 is in contact with the first slider 91, A case in which the first switch S19 is provided to generate an electrical signal by the first pressing unit S17 is illustrated as an example.

As shown in FIG. 13 , the second sensing unit S2 provided in this embodiment includes a sensing body S22 reciprocally provided inside the housing 6 , and a slit provided to pass through the housing 6 . Inserted in 623, one end is located outside the housing 6, and the other end is a protruding body S24 fixed to the sensing body S22, and the sensing body S22 in the direction in which the inlet 111 is located (housing). of the body support part (S28) that presses against the front surface of the sensor body (S22), the contact part (S26) protruding from the sensing body (S22), the second case (S25, see FIG. 12) fixed to the cabinet (1) or housing (6), When the door 16 moves to a position where the inlet 111 is closed, the second pressing part S27 is pressed by the contact part S26, and the second pressing part is provided inside the second case S25. (S27) may be provided as a second switch (S29) for generating an electrical signal when in contact with the sensing body (S22).

Therefore, when the door 16 closes the inlet 111, the protruding body S24 moves in a direction away from the inlet 111 together with the door second body 163, and in the protruding body S24. By this, the sensing body S22 will move toward the rear of the housing 6 . While the sensing body S22 moves toward the rear of the housing 6, the contact portion S26 comes into contact with the second pressing portion S27, and the second switch S29 by the second pressing portion S27. will transmit an electrical signal to the control unit. Accordingly, the control unit may determine whether the door 16 has closed the inlet 111 through the above-described second sensing unit S2.

The present invention may be modified and implemented in various forms, but the scope of the rights is not limited to the above-described embodiments. Therefore, if the modified embodiment includes the elements of the claims of the present invention, it should be regarded as belonging to the scope of the present invention.

100: dishwasher 1: cabinet 11: tub
111: inlet 13: sump 16: door
21: upper arm 23: lower arm 25: steam supply unit
3: supply path 4: pump 41: pump body
42: bulkhead 43: bulkhead through hole 45: impeller
47: heating part H, C: locking device H: holder
51: holder body 52: extension body 53: projection
54: receiving groove C: coupling part 6: housing
61: upper surface 611: first stopper 613: seating part
62: lower surface 621: lower surface through hole 7: fastening part
71: first body 711: first body inclined surface 713: first coupling groove
74: second body 741: second body inclined surface 743: second coupling groove
75: fastening body 77: first elastic body 8: support part
81: first plate 83: second plate 85: shaft support
87: support body 871: shaft 89: extension
9: operation part 91: first slider 94: second slider
95: transfer unit 96: first guider 961 first bar
963 first receiving unit 97: second guider 971 second bar
973 second accommodating part 913: first body pressing part 943: second body pressing part
981: first spring 983: second spring

Claims (24)

A locking device for removably fixing a door to a cabinet equipped with an inlet, the locking device comprising:
a holder provided in any one of the cabinet and the door;
a housing provided in the other one of the cabinet and the door;
a first stopper provided in the housing;
an operation unit provided reciprocally in the housing and moving in a direction away from the inlet by the holder when the door closes the inlet;
a fastening part supported by the first stopper and separated from the first stopper and coupled to the holder when the operating part moves in a direction away from the inlet;
a first elastic body providing a force for moving the fastening part in a direction away from the inlet;
Containing;
The fastening part is provided detachably to the first stopper, the fastening body coupled to the holder when separated from the first stopper; and a first body and a second body extending from opposite ends of the fastening body toward a direction away from the inlet.
a first slider and a second slider that is provided reciprocally in the moving direction of the holder and spaced apart from each other to form a space in which the first body and the second body are accommodated; a transfer unit connecting the first slider and the second slider and moving in a direction away from the inlet by the holder; and a body pressing part provided on at least one of the first slider and the second slider to contact the first body and the second body according to the position of the transfer part to separate the fastening body from the first stopper. A locking device comprising a. delete According to claim 1,
The first elastic body maintains a compressed state when the fastening body is supported by the first stopper, and moves the fastening body away from the inlet when the fastening body is separated from the first stopper,
The second elastic body is compressed by at least one of the first slider and the second slider while the operation part moves to a position where the fastening body is separated from the first stopper,
The locking device, characterized in that the force required to compress the first elastic body is set to be greater than the force required to compress the second elastic body. 4. The method of claim 3,
and a second stopper provided in the housing and configured to restrict movement of the fastening body when the fastening body is separated from the first stopper. 5. The method of claim 4,
A first plate and a second plate positioned in the space between the first body and the second body, the first plate and the second plate providing a space in which the first elastic body is accommodated;
The second stopper is a locking device, characterized in that provided with at least one of one surface of the first plate and one surface of the second plate facing the first stopper. 6. The method of claim 5,
a support body rotatably fixed to the first plate and the second plate;
An extension portion extending from the support body toward the first stopper; further comprising,
One end of the first elastic body is fixed to the support body, and the other end is fixed to at least one of the first body and the second body,
The second stopper is a locking device, characterized in that the fastening body separated from the first stopper is positioned below the extension. 7. The method of claim 6,
and a damper provided on any one of the fastening body and the second stopper to mitigate an impact generated when the fastening body and the second stopper collide. 7. The method of claim 6,
and a damper fixed to the support body to prevent the fastening body from colliding with the second stopper. 7. The method of claim 6,
The first stopper may further include a seating portion supporting the free end of the extension to prevent the free end of the extension from being exposed to the outside of the first stopper. According to claim 1,
The body pressing part
a first body pressing unit provided on the first slider and pressing the first body so that the fastening body is separated from the first stopper when the conveying unit moves in a direction away from the inlet; and
a second body pressing unit provided on the second slider and pressing the second body so that the fastening body is separated from the first stopper when the conveying unit moves in a direction away from the inlet; Locking device, characterized in that it further comprises at least one of. 11. The method of claim 10,
a first body inclined surface provided on the first body and inclined upward in a direction away from the inlet, and contacting the first body pressing unit when the transfer unit moves in a direction away from the inlet; and
a second body inclined surface provided on the second body and inclined upward in a direction away from the inlet, and contacting the second body pressing unit when the transfer unit moves in a direction away from the inlet; Locking device, characterized in that it further comprises at least one of. According to claim 1,
a first accommodating part provided in the housing and providing a movement path of the first slider;
The locking device further comprising a; a second accommodating part provided in the housing and providing a movement path of the second slider. 13. The method of claim 12,
The second elastic body is
a first spring provided inside the first accommodating part to press the first slider in the direction of the inlet; and
a second spring provided inside the second accommodating part to press the second slider in the direction of the inlet; A locking device, characterized in that it is provided with at least one of. According to claim 1,
a first bar provided to pass through the first slider to guide the movement of the first slider;
and a second bar provided to pass through the second slider to guide the movement of the second slider. 15. The method of claim 14,
The second elastic body is
A first spring into which the first bar is inserted and pressurizing the first slider in the direction of the inlet; and
a second spring into which the second bar is inserted and for pressing the second slider in the direction of the inlet; A locking device, characterized in that it is provided with at least one of. According to claim 1,
a first magnet provided in any one of the door and the cabinet;
a first signal generator provided in the other one of the door and the cabinet, and sensing a magnetic force of the first magnet to generate an electrical signal when the door closes the inlet;
a second magnet provided in any one of the door and the cabinet and spaced apart from the first magnet with the housing interposed therebetween;
and a second signal generator provided in the other one of the door and the cabinet and configured to generate an electrical signal by sensing the magnetic force of the second magnet when the door closes the inlet. . According to claim 1,
a first detection unit for determining whether the fastening body is separated from the first stopper;
The locking device further comprising a; a second detection unit for determining whether the door has closed the inlet. 18. The method of claim 17,
The first sensing unit
a first pressing part contacting at least one of the first body and the second body when the fastening body is separated from the first stopper;
and a first switch that generates an electrical signal when at least one of the first body and the second body comes into contact with the first pressing unit. 18. The method of claim 17,
The first sensing unit
a first pressing unit in contact with at least one of the first slider and the second slider when the operation unit moves to a position where the fastening body is separated from the first stopper;
and a first switch that generates an electrical signal when at least one of the first slider and the second slider comes into contact with the first pressing unit. 18. The method of claim 17,
The second sensing unit
a magnet provided in any one of the door and the cabinet;
and a signal generator provided in the other one of the door and the cabinet, the signal generator sensing the magnetic force of the magnet to generate an electrical signal when the door closes the inlet. 18. The method of claim 17,
The second sensing unit
a sensing body reciprocally provided inside the housing;
a protruding body that, when the door moves in a direction to close the inlet, contacts the door and moves the sensing body in a direction away from the inlet;
a body support unit providing a force for moving the protruding body in a direction toward the inlet;
When the door closes the inlet, a second pressing unit in contact with the sensing body;
and a second switch that generates an electrical signal when the sensing body comes into contact with the second pressing unit. a cabinet with an inlet;
a tub provided inside the cabinet and forming a storage space for a storage object;
a communication hole for communicating the tub and the inlet;
A door first body for opening and closing the inlet, a door second body protruding from the door first body toward the tub, is provided in the door second body, and when the door first body closes the inlet, the communication hole is formed a door provided with a closing surface to close;
a sealing part provided along the edge of the communication hole and compressed between the closing surface and the edge of the communication hole when the door first body closes the inlet;
a holder provided on the door;
a housing provided in the cabinet;
a first stopper provided in the housing and positioned between the inlet and the communication hole;
a fastening part detachably supported by the first stopper and coupled to the holder when separated from the first stopper;
It is provided reciprocally inside the housing, and when the door first body moves in a direction to close the inlet, it comes into contact with the holder and moves toward the direction in which the communication hole is located, the direction in which the communication hole is located an operation part for separating the fastening part from the first stopper while moving toward the first stopper;
a first elastic body providing a force for moving the fastening part in a direction away from the inlet;
Containing;
The fastening unit is detachably coupled to the first stopper, and when separated from the first stopper, a fastening body coupled to the holder; and a first body and a second body extending from opposite ends of the fastening body toward a direction away from the inlet.
a first slider and a second slider that is provided reciprocally in the housing and spaced apart from each other to form a space in which the first body and the second body are accommodated; a transfer unit connecting the first slider and the second slider and moving toward the direction in which the communication hole is located by the holder; and at least one of the first slider and the second slider to separate the fastening body from the first stopper by contacting at least one of the first body and the second body according to the position of the transfer part. Home appliance comprising a; body pressing unit. delete 23. The method of claim 22,
The reciprocating motion range of the transfer unit is set so that the closing surface does not contact the sealing unit when the communication hole is closed.

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