KR20170082105A - Locker and Home Appliance having the same - Google Patents

Abstract

The present invention relates to a refrigerator comprising a holder provided in one of a cabinet and a door, a housing provided in the other of the cabinet and the door, a first stopper provided in the housing, An operating portion which is moved by the holder in a direction away from the charging port, and an operating portion which is supported by the first stopper and is separated from the first stopper when the operating portion is moved away from the charging port, A first elastic body for providing a force for moving the coupling portion in a direction away from the charging port and a second elastic body for providing a force for moving the charging portion in a direction in which the charging port is located, And a home appliance provided with the apparatus.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a lock device and a home appliance having the lock device,

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

Conventional devices equipped with doors including home appliances include a cabinet, a storage space provided in the cabinet for receiving objects to be stored, and a door for opening and closing an inlet communicating with the storage space.

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

The conventional locking device having the above-mentioned structure is designed so that the force necessary to fix the door to the cabinet (the force necessary to engage the holder with the engaging portion) and the force necessary to separate the door from the cabinet (the force required to separate the holder from the engaging portion) .

In addition, appliances (dishwashers, washing machines, dryers, etc.) in which the pressure of the storage space can be increased during operation may have a fastening force enough to prevent the door from being detached from the cabinet even if the pressure in the space communicating with the inlet is increased To be provided.

Conventional locking devices designed to provide sufficient fastening force that the door is not separated from the cabinet during operation of the household appliance can prevent the door from opening the door during operation of the appliance, There is a disadvantage that the user is required to input more force than necessary to the door.

A problem to be solved is to provide a locking device having a smaller force than a force input by a user to a door when a user inputs a force to the door when closing the loading port and a home appliance provided with the locking device do.

Another object of the present invention is to provide a locking device provided with a holder and a fastening portion provided respectively in a cabinet having a charging port and a door closing a charging port, and a household appliance provided with the locking device.

It is another object of the present invention to provide a locking device for preventing a position of a coupling part detachably coupled to a holder from being displaced from a predetermined position, and a home electric appliance provided with the locking device.

Another object of the present invention is to provide a locking device capable of locking a door to a cabinet even when the locking part is out of a predetermined position, and a home electric appliance provided with the locking device.

It is another object of the present invention to provide a locking device for preventing the fastening part from being separated from the holder when the holder and the fastening part are combined, and a home appliance provided with the locking device We will do it.

The present invention also provides a locking device capable of engaging a holder and a fastening part even when the door is moved to a position where the fastening part is engaged with the holder even though the door is not closed, and a household appliance provided with the locking device .

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

It is another object of the present invention to provide a locking device capable of preventing a sound signal generated when a door is closed from being excessively increased, and a home appliance provided with the locking device.

Another object of the present invention is to provide a locking device provided with a sensing part for determining whether the door is in a closed state and a home appliance provided with the locking device.

Another object of the present invention is to provide a locking device provided with a sensing part for detecting whether or not a coupling part and a holder are coupled and a door is closed, and a home appliance provided with the locking device.

The present invention provides a locking device for detachably fixing a door to a cabinet provided with a loading port, the locking device comprising: a holder provided on one of the cabinet and the door; A housing provided on the other of the cabinet and the door; A stopper provided on the housing; An operating part that is reciprocatable within the housing and moves toward a direction away from the charging port by the holder when the door closes the charging port; A fastening part supported on the stopper and separated from the stopper when the operation part is moved in a direction away from the charging port and coupled to the holder; A first elastic body for providing a force for moving the coupling portion in a direction away from the loading port; And a second elastic body for providing a force for moving the operation part in a direction in which the insertion port is located.

Wherein the fastening portion is detachably attached to the stopper and is coupled to the holder when the stopper is detached 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 loading port, wherein the actuating part is provided so as to be reciprocable along the moving direction of the holder, A first slider and a second slider spaced from each other to form a space in which the second body is received; And a transfer unit connecting the first slider and the second slider and moving in a direction away from the loading port by the holder.

The present invention may further comprise a support fixed to the inside of 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 supporting part being rotatably fixed to the housing and having one end of the first elastic body fixed to the supporting body; And an extension extending from the support body toward the stopper and allowing the fastening body to move into the space between the stopper and the support body when the fastening body is moved in a direction to be coupled to the holder .

The present invention is characterized by comprising: a shaft provided on the support body to form a rotation center of the support body; A first plate and a second plate spaced apart from each other in the housing to provide a path of movement of the first elastic body; And a shaft support portion provided on the first plate and the second plate and supporting the shaft.

The stopper may further include a seating part provided to support the free end of the extended part to prevent the supporting body from rotating.

The present invention is provided in at least one of the first slider and the second slider, and when the transferring part is moved in a direction away from the loading port, at least one of the first body and the second body is pressed, And a body pressing portion for separating the body from the stopper.

A first body pressing part provided on the first slider and configured to press the first 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 loading port; 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 conveying part moves toward a direction away from the loading port; Or the like.

A first body inclined surface provided on the first body and inclined upward toward a direction away from the charging port and contacting the first body pressing portion when the conveyance portion moves toward a direction away from the charging port; A second body inclined surface provided on the second body and inclined upward toward a direction away from the charging port and contacting the second body pressing portion when the conveying portion moves toward a direction away from the charging port; Or the like.

The present invention provides a sliding type portable terminal comprising: a first receiving portion provided in the housing, the first receiving portion providing a moving path of the first slider; And a second accommodating portion provided in the housing and providing a path for moving the second slider.

The first elastic member being provided in the first accommodating portion to urge the first slider in the direction of the loading port and a second spring provided in the second accommodating portion to press the second slider in the direction of the loading port A second spring; As shown in FIG.

The present invention may include a first bar provided to penetrate through the first slider and guide movement of the first slider; And a second bar extending through the second slider to guide movement of the second slider.

A second spring for inserting the first bar and pressing the first slider in the direction of the insertion port, a second spring inserted into the second bar and pressing the second slider in the direction of the insertion port, As shown in FIG.

The first elastic body maintains a compressed state when the fastening portion is held by the stopper and the second elastic body maintains a compressed state when the fastening portion is separated from the stopper, The force required to compress one elastic body can be set to be larger than the force necessary to compress the second elastic body.

The present invention provides a locking device for detachably fixing a door to a cabinet provided with a loading port, the locking device comprising: a holder provided on one of the cabinet and the door; A housing provided on the other of the cabinet and the door; A first stopper provided on the housing; An operating part that is reciprocatable within the housing and moves toward a direction away from the charging port by the holder when the door closes the charging port; A fastening part supported on the first stopper and separated from the first stopper when the actuating part is moved in a direction away from the charging port to engage with the holder; A first elastic body for providing a force for moving the coupling portion in a direction away from the loading port; And a second elastic body for providing a force for moving the operation part in a direction in which the insertion port is located.

Wherein the fastening portion is detachably mounted on the first stopper and engages with the holder when the fastening portion is detached 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 loading port, wherein the actuating part is provided so as to be reciprocable along the moving direction of the holder, A first slider and a second slider spaced from each other to form a space in which the second body is received; A transfer unit connecting the first slider and the second slider and moving in a direction away from the loading port by the holder; And a body pushing unit provided at 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 unit to separate the fastening body from the first stopper, . ≪ / RTI >

Wherein the first elastic body maintains a compressed state when the fastening body is supported by the first stopper and moves the fastening body in a direction away from the charging port when the fastening body is separated from the first stopper, The elastic body is compressed by at least one of the first slider and the second slider while the operation unit moves from the first stopper to the separating position of the fastening body, Can 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 which are located in a space between the first body and the second body and provide a space in which the first elastic body is accommodated, 1 stopper and at least one surface of the second plate facing the stopper.

The present invention includes: a support body rotatably fixed to the first plate and the second plate; And an extension extending from the support body toward the first stopper, wherein the first elastic body has one end fixed to the support body and the other end fixed to at least one of the first body and the second body And the second stopper may be provided to position the fastening body separated from the first stopper at a lower portion of the extension portion.

The present invention may further include a damper provided on one of the fastening body and the second stopper to mitigate an impact generated when the fastening body and the second stopper collide with each other.

The damper may further include a damper fixed to the support body to prevent the clamping body from colliding with the second stopper.

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

The body pushing portion is provided on the first slider and the first body pushing portion presses the first body so that the coupling body is separated from the first stopper when the conveyance portion moves toward the direction away from the loading port; And a second body presser which is provided on the second slider and presses the second body so that the coupling body is separated from the first stopper when the transferring part moves toward the direction away from the loading port; Or the like.

A first body slope surface provided on the first body and inclined upward toward a direction away from the charging port and contacting the first body pressing part when the conveyance part moves toward a direction away from the charging port; And a second body inclined surface provided on the second body and inclined upward toward a direction away from the charging port, the second body inclined surface contacting the second body pressing part when the conveyance part moves toward a direction away from the charging port. Or the like.

The present invention provides a sliding type portable terminal comprising: a first receiving portion provided in the housing, the first receiving portion providing a moving path of the first slider; And a second accommodating portion provided in the housing and providing a path for moving the second slider.

The first elastic member being provided in the first accommodating portion to urge the first slider in the direction of the loading port and a second spring provided in the second accommodating portion to press the second slider in the direction of the loading port A second spring; As shown in FIG.

The present invention may include a first bar provided to penetrate through the first slider and guide movement of the first slider; And a second bar extending through the second slider to guide movement of the second slider.

A second spring for inserting the first bar and pressing the first slider in the direction of the insertion port, a second spring inserted into the second bar and pressing the second slider in the direction of the insertion port, As shown in FIG.

The present invention may include a first magnet disposed in one of the door and the cabinet; A first signal generator provided in the other one of the door and the cabinet and generating an electric signal by sensing the magnetic force of the first magnet when the door is closed; A second magnet disposed in one of the door and the cabinet, the second magnet being disposed at a position apart from the first magnet with the housing interposed therebetween; And a second signal generator provided in the other of the door and the cabinet and sensing an electric power of the second magnet when the door is closed, thereby generating an electric signal.

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

The first sensing unit may include a first pressing unit contacting the 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 for generating an electrical signal when at least one of the first body and the second body contacts the first pressing portion.

Wherein the first sensing portion includes a first pressing portion that contacts at least one of the first slider and the second slider when the actuating portion moves to a position where the fastening body is separated from the first stopper; And a first switch for generating an electrical signal when at least one of the first slider and the second slider contacts the first pressing portion.

The second sensing unit includes a magnet disposed in one of the door and the cabinet; And a signal generating unit provided in the other one of the door and the cabinet and sensing a magnetic force of the magnet when the door is closed to generate an electric signal.

The second sensing unit includes a sensing body reciprocally disposed within the housing. A protruding body contacting the door to move the sensing body in a direction away from the charging port when the door moves in a direction closing the charging port; A body supporting part for providing a force for moving the protruding body in a direction toward the charging port; A second pressing part contacting the sensing body when the door closes the inlet; And a second switch for generating an electrical signal when the sensing body contacts the second pressing portion.

The present invention relates to a cabinet having a charging port; A tub provided inside the cabinet and forming a storage space to be stored; A communication hole communicating the tub and the inlet; A door second body protruding from the first body toward the tub, and a second body provided on the door second body. When the first body of the door closes the inlet, A door having a closed surface to be closed; A sealing portion provided along an edge of the communication hole and being squeezed between the closing surface and the edge of the communication hole when the door body is closed; 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 on the first stopper and coupled to the holder when detached from the first stopper; Wherein when the door body is moved in a direction to close the inlet port, the door body moves in a direction in which the communication hole is located, and moves in a 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 for providing a force for moving the coupling portion in a direction away from the loading port; And a second elastic body for providing a force for moving the actuating part in a direction in which the input port is located.

Wherein the fastening portion is detachably coupled to the first stopper and engages with the holder when the fastening portion is detached 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 charging port, wherein the operation part is reciprocally provided inside the housing, the first body and the second body A first slider and a second slider spaced from each other to define a space in which the body is received; A transporting 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 being in contact with at least one of the first body and the second body depending on the position of the transferring part to separate the fastening body from the first stopper And a body pressing portion.

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

The present invention can provide an effect of providing a locking device having a smaller force than a force input by the user to the door when the force input by the user to the door opens the loading port and the appliance equipped with the locking device when closing the loading port .

In addition, the present invention can provide the effect of providing a locker having a holder and a fastening unit, respectively, provided in a cabinet having a slot and a door closing the slot, and a home appliance having the lock.

In addition, the present invention can provide a locking device for preventing a position of a coupling part detachably coupled to a holder from deviating from a set position, and a home electric appliance provided with the locking device.

In addition, the present invention can provide a locking device capable of locking a door to a cabinet even when the locking part is out of a predetermined position, and a home appliance provided with the locking device.

In addition, the present invention provides a locking device for preventing the fastening part from being separated from the holder when the holder and the fastening part are combined, as well as for facilitating the coupling of the holder and the fastening part, and a home appliance having the locking device .

In addition, the present invention provides a locking device capable of coupling a holder and a fastening part even when the door is moved to a position where the fastening part is engaged with the holder even though the door is not closed, and a household appliance provided with the locking device can do.

In addition, the present invention can provide a locking device that generates a sound signal that allows the user to confirm that the door is closed when the door closes the inlet, and the home appliance provided with the locking device.

In addition, the present invention can provide a locking device capable of preventing a sound signal generated when a door is closed from being excessively increased, and a home appliance provided with the locking device.

In addition, the present invention can provide a locking device equipped with a sensing unit for determining whether the door is in a closed state, and a home appliance provided with the locking device.

In addition, the present invention can provide a locking device equipped with a sensing unit for sensing whether the coupling part and the holder are engaged or not and whether the door is closed, and a home appliance provided with the locking device.

1 shows an example of a home electric appliance provided 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 illustrate the operation of the locking device of the present invention.
7 shows a process in which the holder and the fastening portion are engaged in the locking device in an abnormal state.
FIG. 8 shows an example of a locking device provided with a damper and a home appliance equipped with the locking device.
Fig. 9 shows an example of a gasket provided in the present invention.
10 to 13 illustrate 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. It is to be understood that the present invention is not limited to the details of the embodiments described below, .

The present invention relates to a locking device for detachably fixing a door to a cabinet provided with an inlet, and FIG. 1 shows an example in which the locking devices (H, C) are provided in the dishwasher.

The locking devices H and C of the present invention may be provided in various home appliances other than the dishwasher. Hereinafter, the locking devices H and C are provided in the dishwasher 100 do.

1, the dishwasher 100 includes a cabinet 1, a tub 11 provided in the cabinet for providing a washing space, spray arms 21 and 23 for spraying water to the object to be cleaned, And a pump 4 for supplying water into the sandstone.

The rack may be provided with an upper rack 191 provided in an upper region of the tub, a lower rack 193 provided at a lower portion of the upper rack, .

The tub 11 communicates with the outside of the cabinet through an inlet 111 (see FIG. 5), and the inlet 111 is opened and closed by a door 16. Accordingly, the user can open the loading port 111 with the door 16, and then take out the racks 191, 193 from the tub 11. [

When the rack is provided with the upper rack 191 and the lower rack 193, the jetting arm is provided with an upper arm 21 for spraying water to the upper rack 191, a lower arm 218 for spraying water to the lower rack 193, And may be provided with an arm 23.

Water (water remaining in the tub) sprayed to the object to be cleaned in the spraying arms 21 and 23 can be recovered to the sump 13. [

The sump 13 is provided at a lower portion of the tub 11 to store water and can be separated from the tub 11 through a sump cover 15. [ In this case, the sump cover 15 may be provided with a collection hole 151 for allowing the water inside the tub 11 to flow into the sump 13. [

The sump 13 is connected to a water supply source (not shown) through a water supply channel 135, and the water supply channel 135 is opened and closed by a valve 136.

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

The water stored in the sump 13 is supplied to the spraying arms 21 and 23 through the pump 4 and the supply flow path 3. The supply flow path 3 is connected to the connection flow path 31, a first supply passage 33 for connecting the connection passage and the upper arm 21, and a second supply passage 35 for 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, A switching valve 37 for controlling the opening and closing of each supply passage may be provided.

The pump 4 includes a pump body 41 fixed to the inside of the cabinet 1 and a space inside the pump body 41 to separate the pump first chamber 421 and the pump body 41, A partition wall 42 formed in the partition wall 42 to define a second chamber 422 and a partition wall through hole 43 communicating with the pump first chamber 421 and the pump second chamber 422, And an impeller 45 provided inside the chamber.

The pump first chamber 421 is connected to the sump 13 through a pump inlet 423 provided to penetrate the pump body 41. The pump second chamber 422 is connected to the pump body 41, And is connected to the connection passage 31 through a pump discharge portion 424 provided so as to pass therethrough.

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

On the other hand, a heating unit 47 is provided on the bottom surface of the pump first chamber 421. When the pump body 41 is provided in a cylindrical shape with its lower surface opened, the heating unit 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, ). It is preferable that the heating plate 471 is made of a metal that facilitates heat transfer.

Since the heating unit 47 is provided to form the bottom surface of the pump first chamber 421, the present invention can simultaneously perform the function of supplying water to the spraying arms 21 and 23 and the function of heating water. The pump 4 can be provided.

The dishwasher 100 provided with the pump 4 may supply the 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 for connecting the nozzle 251 to the pump first chamber 421, And may be provided with a steam valve 255 for opening and closing.

1 illustrates an example in which the nozzle 251 is provided in the door 16. In this case, it is preferable that the nozzle 251 is fixed to a lower surface of a door forming a cleaning space.

Meanwhile, in the dishwasher 100 having the above-described structure, the door 16 can be detachably fixed to the cabinet 1 through the locking devices H and C, A holder H provided on one of the cabinet 1 and the cabinet 1 and a coupling portion C provided on the other one of the door and the cabinet and detachably coupled to the holder H.

The conventional locking device is provided with a force necessary to fix the door 16 to the cabinet 1 (force required to engage the holder with the engaging portion) and force necessary to detach the door 16 from the cabinet 1 The force required to separate them) was the same.

On the other hand, home appliances (dishwashers, washing machines, dryers, etc.), which can increase the pressure of the space communicating with the inlet port, provide a fastening force to the extent that the door can not be separated from the cabinet even if the pressure in the space communicating with the inlet It must be designed to do.

However, the conventional locking device, which provides sufficient fastening force that the door is not separated from the cabinet, can prevent the door from opening the door during the operation of the appliance, Which causes the door to input more force than necessary.

The locking devices H and C provided in the present invention are designed so that the force that must be input in order to engage the holder H to the engaging portion C is the force that must be input to separate the holder H from the engaging portion C .

That is, the locking devices H and C provided in the present invention are configured such that when a force input by the user to the door 16 when closing the closing port 111 causes the door 16 to be opened Is smaller than the force of

As described above, the holder H is provided in one of the door and the cabinet, and the coupling portion C may be provided in the other one of the door and the cabinet. Hereinafter, (H) is provided on the door (16), and the coupling portion (C) is provided in the cabinet (1).

2, the holder H may include a holder body 51 fixed to the door 16, and a projection 53 provided on the holder body and fastened to the coupling portion C. As shown in FIG. have. The holder body 51 may further include a receiving groove 54 for receiving a fastening body 75 of a coupling portion to be described later.

The shape of the holder H may be variously modified depending on the shape of the coupling portion C. 2, the holder H may be provided only with the receiving groove 54 formed by concavely bending the upper surface of the door 16.

In any case, the engaging portion C includes a housing 6 fixed to the cabinet 1, a stopper 611 (first stopper) provided on the housing 6, and a holder H The operating portion 9 is supported by the stopper 611 while the operating portion 9 is moved away from the loading port 111 by the holder H (See FIG. 3) which is detached from the stopper 611 when engaged with the holder H and engages with the holder H, and a force for moving the coupling portion 7 in the direction away from the loading port 111 And a second elastic body 981 and 983 for providing a force to move the operation part 9 in a direction in which the input port 111 is positioned.

The housing 6 may be provided in any shape as long as it can realize the movement of the fastening portion 7 and the actuating portion 9 described above. That is, the housing 6 may be formed as a space formed in the cabinet 1 to guide movement of the coupling part 7 and the operation part 9, or may be a separate part coupled to the cabinet 1 .

2 and 4 are diagrams illustrating a state in which the housing 6 has a front surface 63 facing the direction in which the input port 111 is positioned and an upper surface 61 and a lower surface 61 located respectively at the upper and lower portions of the front surface 63, And a surface 62 as shown in FIG.

In this case, the lower surface 62 is provided with a lower surface through hole 621 for forming a space in which the protrusion 53 of the holder and the coupling part 7 can contact with each other, and the stopper 611, And may protrude toward the lower surface through-hole 621 from the upper surface 61 of the upper surface 61a.

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

3, the fastening portion 7 includes a fastening body 75 detachably attached to the first stopper 611, a fastening body 75 fastened to the fastening body 75 from both opposite ends of the fastening body 75, And a first body 71 and a second body 74 extending in a direction away from the first body 71. [

The first body 71 and the second body 74 may be formed in any shape that can reciprocate in a direction parallel to the movement locus of the holder H in the housing 6, The body 71 and the second body 74 are provided in the shape of a bar extending from the fastening body 75 toward the rear surface of the housing.

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

The operating portion 9 is reciprocable along a direction parallel to the movement locus of the holder H in the housing 6. The operating portion 9 includes a first slider And a transfer unit 95 which connects the first slider and the second slider and is movable in a direction away from the loading port 111 by the holder H. [

The first slider 91 and the second slider 94 are spaced from each other to form a space in which the first body 71 and the second body 74 are accommodated, do.

The first slider 91 and the second slider 94 may have any shape that can be reciprocated within the housing 6. And the first body 71 and the second body 74 are provided in parallel with each other.

The slider 91 and the slider 94 can be connected to each other by the transfer part 95. When the door 16 is closed by the protrusion 53 of the holder, And may be provided in any form as long as it can be moved in a direction to move away. However, when the lower surface through hole 621 is provided on the lower surface 62 of the housing, the transfer portion 95 may be exposed to the outside of the lower surface through hole 621.

When the transfer unit 95 is moved away from the loading port 111, the engaging body 75 is moved in the direction in which the engaging body 75 is separated from the first stopper 611, And a body pressing part for pressing at least one of the first body 71 and the second body 74. [

3 shows a state in which the body pressing portion is provided on the first slider 91 to press the first body 71 and a second body press portion 913 on the second slider 94, And a second body pressurizing part 943 for pressing the second pressing part 74. As shown in Fig.

The first body pressing portion 913 may protrude from the first slider 91 toward the second slider 94 and the second body pressing portion 913 may protrude from the second slider 94 The first slider 91 may be provided with a plurality of protrusions.

In this case, the first body 71 is provided with a first body inclined surface 711 with which the first body pressing portion 913 contacts, and the second body pressing portion 943 The second body sloping surface 741 may be provided.

The first body slanting face 711 is provided to contact the first body pressing portion 913 only when the first slider 91 is moved a certain distance in the direction away from the loading slot 111. That is, the first body inclined surface 711 may be inclined upwards toward the direction away from the loading port 111 at a position where the fastening body 75 is located in the area of the first body 71.

Likewise, the second body sloping surface 741 may be inclined upwards toward a direction away from the loading port 111 at a position where the coupling body 75 is located in the area of the second body 74.

The operating portion 9 is provided with the first slider 91 and the second slider 94 located outside the space formed between the first body 71 and the second body 74, (7) is displaced in the housing (6).

As described above, the first body 71 and the second body 74 are reciprocally movable within the housing 6, and the coupling body 75 includes the first body 71 and the second body 74, When the position of the first body 71 and the second body 74 is out of a preset position, the coupling body 75 may not 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, It is possible to minimize the deviation from the set position inside the housing.

The first slider 91 and the second slider 94 provided on the outer sides of the first body 71 and the second body 74 are connected to the first body 71 and the second body 74, It is possible to separate the fastening body 75 from the first stopper 611 at a desired time.

It is assumed that the position of the coupling part 7 is out of the set position in a state where the operation part 9 is provided with only one slider.

In this case, when the transfer unit 95 is moved in the direction away from the loading port 111 by the holder H, the operation unit 9 provided as one slider can move the first body 71 The second body 74 may be pressurized, or a problem may occur that the first body 71 or the second body 74 can not be pressed.

However, if the operating portion 9 is provided with the first slider and the second slider spaced from each other to provide a space for accommodating the first body 71 and the second body 74, The time point at which the first stopper 611 is separated can be kept constant. The first slider 91 and the second slider 94 are means for minimizing a range in which the first body 71 and the second body 74 are displaced from the predetermined positions. The deviation of the time at which any one of the bodies 71 and 74 is contacted will be minimized.

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 includes a first receiving portion 963 provided inside the housing 6 and providing a path for moving the first slider 91 and a second receiving portion 963 penetrating the first slider 91, And a first bar 961 for providing a movement path of the first slider 91. [

Similarly, the second guider 97 is provided in the housing 6 to penetrate the second receiving portion 973 for providing the moving path of the second slider 94 and the second slider 94 And a second bar 971 for providing a path of movement of the second slider 94. [

2, the first guider 96 includes a first bar 961 and a first receiving portion 963, and the second guider 97 includes a second bar 971 and a second receiving portion 973 , 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 receiving portion 963 and includes a first spring 981 for pressing the first slider 91 in the direction of the loading port 111 and a second spring 982 provided in the second receiving portion 973 And a second spring 983 for urging the second slider 94 toward the loading port 111. [0033]

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 in the first receiving portion 963, The second bar 971 may be inserted into the second spring 983 to be fixed in the second receiving portion 973. The first and second sliders 91 and 98 are prevented from being displaced or damaged when the first slider 91 and the second slider 94 reciprocate within the receiving portions 963 and 973.

Since the projection 53 of the holder H comes into contact with the conveying portion 95 when the door 16 closes the input port 111, the operating portion 9 having the above- (In the rear of the housing) away from the inlet 111. [

Since the first spring 981 and the second spring 983 are compressed in the receiving portions 963 and 973 when the external force inputted to the conveying portion 95 is lost by the holder H The sliders 91 and 94 will move in the direction of the loading port 111 due to the restoring force of the first spring 981 and the second spring 983 when the door is moved in the direction of opening the loading port.

The first elastic body 77 which provides a force to move the coupling part 7 in a direction away from the input port 111 (the rear surface of the housing) is fixed at one end to the housing 6, 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).

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

4, when the fastening body 75 is supported by the stopper 611, the first elastic body 77 is inserted between the support portion 8 and the coupling grooves 713 and 743 And may be provided with a spring that maintains the compressed state.

One end of the first elastic body 77 is fixed to the support portion 8 fixed to the housing 6 and the other end of the first elastic body 77 is fixed to the free ends of the respective bodies 71 and 74, When the fastening body 75 is supported by the first stopper 611, the first elastic body 77 is separated from the free end of the first body 71 and the free end of the second body 74 The end will provide a force to move away from the support 8. Therefore, 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 toward the direction away from the support portion 8 due to the restoring force. The first elastic body 77 can move the fastening body 75 in a direction away from the insertion port 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. Fig.

5 shows the case where the door 16 is opened with the inlet 111. In this case, the fastening body 75 is fastened to the first stopper 611 by the force provided by the first elastic body 77, As shown in Fig.

When the door 16 is moved by the user in the direction of closing the input port 111, the protrusion 53 of the holder H provided on the door is inserted into the coupling portion (not shown) of the cabinet 1 C < / RTI >

6, while the door 16 is rotated to close the inlet 111, the protrusion 53 of the holder moves the conveying portion 95 provided at the coupling portion in a direction away from the inlet 111 .

The first slider 91 and the second slider 94 connected to each other through the transferring unit 95 are moved in the direction of the second elastic body 981, and 983 while moving toward the direction away from the loading port 111. As a result,

When the first slider and the second slider move toward the direction away from the slot 111, the first body 71 and the second body 74 provided on the fastening portion 7 are pressed by the body pressing And 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 topper 611 is separated from the first stopper 611, And moves in the direction of the lower surface through hole 621. In this process, the fastening body 75 is inserted into the receiving groove 54 of the holder.

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 connected to each other by the restoring force of the first elastic body 77 And moves in the direction away from the loading port 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 The first elastic body 77 moves the holder H in the direction of the insertion port 111 as long as the fastening body 75 is separated from the first stopper 611 since the force necessary to compress the second elastic body is set to be larger than the force required to compress the second elastic body. . Therefore, the present invention can minimize the force that the user has to input to the door 16 when closing the input port 111.

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 transferring part 95, The position of the projection 53 can be fixed when the inlet 111 is closed. The locking devices H and C of the present invention can minimize the movement of the door 16 in the direction of opening the loading port 111 when the door 16 closes the loading port 111 And gap can be prevented from occurring between the inlet and the inlet).

When the door 16 is opened to open the loading port 111, the user pulls the door 16 in a direction away from the loading port 111. In this case, (Not shown).

The first elastic body 77 is engaged with the free end of the first body 71 fixed to the fastening body 75 and the free end of the second body 74 fixed to the fastening body 75, The first slider 91 and the second slider 94 are moved toward the direction in which the loading port 111 is positioned by the restoring force of the second elastic bodies 981 and 983 will be.

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 input port 111 is positioned, And is drawn out from the groove 54 and coupled to the first stopper 611. Accordingly, the user can separate the holder H from the coupling portion C by inputting a force to the door to compress the first elastic body 77 into the door.

The locking device having the above-described structure requires a considerable force on the force required to compress the second elastic members 981 and 983 when closing the charging port 111. When the charging port 111 is opened, Requiring a considerable force on the force required to compress the elastic body 77. [

The first elastic body 77 and the second elastic bodies 981 and 983 are arranged in such a manner that the force required to compress the first elastic body 77 is greater than the force necessary to compress the second elastic body 981 and 983 The force required to input to the door to open the input port 111 can provide a locking device greater than the force that must be input to the door to close the input port.

On the other hand, when the fastening body 75 moves in the direction in which the loading port 111 is positioned so that the holder H is separated from the engaging portion C (to move the door in the direction of opening the loading port) A penetration hole 631 is formed in the front surface 63 of the housing so as to prevent the body 75 from interfering with the front surface 63 of the housing, .

When the door 16 is in the state in which the loading port 111 is opened but the external force is transmitted to the housing 6 through the cabinet 1, the locking body having the above- It is not possible to exclude the possibility of separation at the step 611.

When the door 16 is opened and the state in which the fastening body 75 is supported by the first stopper 611 as shown in FIG. 5 is assumed to be a normal state, The state in which the fastening body 75 is separated from the first stopper 611 can be defined as an abnormal state.

The locking devices H and C of the present invention require a device capable of coupling the holder and the fastening portion even if the fastening portion 7 is in an abnormal state. If the above-mentioned supporting portion 8 is provided with the structure shown in FIG. 2, The support portion 8 may be a means for coupling the holder and the fastening portion even if the fastening portion is in an abnormal state.

2, the supporting unit 8 includes a supporting body 87 which is rotatably fixed to the housing 6 and to which one end of the first elastic body 77 is fixed, And an extension 89 extending toward the stopper 611.

A first plate 81 and a second plate 83 separated from each other to provide a space for accommodating the first elastic body 77 in the housing 6 are provided In which 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 can prevent the first elastic body 77 from being displaced or damaged by providing the movement path of the first elastic body 77.

The first plate 81 and the second plate 83 are connected to stoppers 811 and 812 for preventing the fastening body 75 separated from the first stopper 611 from moving toward the rear of the housing 6, Second stopper) can also be performed. In this case, the second stopper may support the fastening body 75 such that the fastening body 75 separated from the first stopper 611 is positioned below the extended portion 89.

The second stopper may include at least one of a first surface 811 of the first plate facing the first stopper 611 and a first surface 831 of the second plate facing the first stopper 611, 4 shows an example 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.

The support body 87 is provided with a shaft 871 which projects toward each of the plates 81 and 83 and forms a rotation axis of the extension 89. The first plate 81 and the second plate 83 May further include a shaft support portion 85 in which each shaft is received.

Of course, the shaft support portions 85 are respectively provided on opposite surfaces of the support body 87 facing the respective plates, and the shafts 871 are protruded from the respective plates 81 and 83 toward the respective shaft support portions .

7, when the fastening body 75 is detached from the first stopper 611, the fastening body 75 is extended from the first stopper 611 to the first stopper 611, To a 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 so as to be positioned below the extended portion 89. When the user pushes the door 16 to close the input port 111 in the same state, the projection 53 of the holder will press the fastening body 75 in the direction of the extension 89.

In order to facilitate the pressing of the fastening body 75 in the direction of the extension portion 89, a region of the space formed by the fastening body 75 in contact with the projection 53 of the holder is provided as an inclined surface .

When the fastening body 75 is pressed in the direction of the extension 89, the extension 89 is rotated toward the direction away from the fastening body 75 about the shaft 871. Therefore, the fastening body 75 Will move to a space P formed between the first stopper 611 and the support body 87 and a space formed between the first stopper 611 and the second stopper.

 The protrusion 53 of the holder H is moved to the space P formed between the first stopper 611 and the second stoppers 811 and 831 by the conveying unit 95 And moves to the state between the fastening bodies 75 as shown in FIG. Therefore, the present invention has an effect that the holder H and the engaging portion C can be engaged even if the engaging body 75 is separated from the first stopper 611 without depending on the holder H.

The first stopper 611 may further include a seating portion 613 for supporting the free end of the extended portion 89. The seating portion 613 may be formed in a shape such that the extended portion And is a means for preventing rotation in the direction of the lower surface through hole 621 provided in the lower surface.

As another means for preventing the extension portion 89 from rotating in the direction of the lower surface through-hole 621, the upper surface 61 of the housing has a first hole (not shown) 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 for preventing the fastening body 75 from being drawn out from the receiving groove 54 of the holder.

6, the fastening body pushing portion 88 protrudes from a lower surface of the extension portion 89 (a surface positioned in a direction in which the fastening body is positioned), and the fastening body 75 The fastening body pressing portion 88 presses the fastening body 75 in the direction of the receiving groove 54 of the holder.

The extension part 89 is to be kept in contact with the seat part 613 by the first elastic body 77 and the state in which the tightening body pressing part 88 is in contact with the upper end of the tightening body 75 The locking devices H and C of the present invention are arranged such that when the door 16 closes the input port 111, the locking body 75 is locked in the receiving groove 54 of the holder H ) From being separated from each other.

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

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

When the fastening body 75 is separated from the first stopper 611, the locking devices H and C having the above-described structure collide with the second stoppers 811 and 831, And generates a sound signal indicating whether or not it has been disconnected. Therefore, the user can check whether the inlet port 111 is closed by the door 16 through the signal that the fastening body 75 collides with the second stoppers 811, 831.

In this case, it is necessary to appropriately adjust the size of the sound signal, since damage to the fastening body 75 and the second stoppers 811 and 831 is a concern.

The size of the sound signal that the locking body 75 collides with the second stoppers 811 and 831 is determined according to the restoring force of the first elastic body 77, It is preferable that the locking device is provided with a separate buffering means in order to reduce the size of the sound of the engaging body 75 colliding with the second stoppers 811 and 831. [

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

As described above, the fastening body 75 separated from the first stopper 611 by the conveying unit 95 collides with the second stoppers 811 and 831, and a sound signal is generated in this process. If the damper 84 is provided on the second stoppers 811 and 831 to absorb a part of the impact generated when the clamping body 75 collides with the second stoppers 811 and 831, 2 stopper can be prevented from being damaged and a sound signal generated when the fastening body hits the second stopper can be prevented from increasing more than necessary.

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

8 is capable of preventing the clamping body 75 from colliding with the second stoppers 811 and 831. The damper 84 according to the present embodiment is supported by the support body 87 Respectively. That is, the damper 84 according to the present embodiment can be fixed to the lower portion of the extending portion 89 through the receiving portion 82.

The fastening body 75 separated from the first stopper 611 is positioned below the extended portion 89 of the support portion so that the fastening body 75 and the second stopper 811 831 are spaced apart from each other, it is possible to prevent the clamping body 75 from colliding with the second stoppers 811, 831.

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

The gasket 17 prevents the air or water inside the tub 11 from leaking to the outside of the tub 11 through the inlet port 111 when the door 16 closes the inlet 111. [ to be.

For this purpose, as shown in FIG. 9, a gasket fixing part 113 to which the gasket 17 is fixed may be provided in the tub 11. The gasket fixing part 113 may be formed 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 may form a communication hole 115 for communicating the inlet 111 with the inside of the tub 11, and a user may connect the inside of the tub 11 through the communication hole 115, The racks 191 and 193 located at the outside of 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 includes a door first body 161 forming an outer appearance of the dishwasher, A door second body 163 protruding toward the hole 115 and a closing surface 167 for closing the communication hole 115 when the door first body is closed by the inlet 111. [ As shown in FIG. 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.

8, the gasket 17 includes a fixing portion 171 inserted into the gasket fixing portion 113, and a fixing portion 173 provided between the door second body 163 and the communication hole 115, As shown in FIG.

In the dishwasher having the above-described structure, when the door first body 161 closes the inlet 111, the closing surface 167 provided in the door second body closes the communication hole 115, The portion 173 is pressed between the closing surface 167 and the communication hole 115. Therefore, air or water in the tub 11 is prevented from leaking out of the tub.

On the other hand, in order to prevent the sealing portion 173 from being damaged by the locking devices H and C of the present invention, the moving range of the conveying portion 95 provided in the locking device must be set so as not to contact the sealing portion 173 do.

The holder H provided in the locking device is located on the upper surface 1631 of the door second body and the transferring part 95 provided in the engaging part C when the charging port 111 is closed is provided with the projections 53 (111) to the communication hole (115). When the door 16 is moved to close the loading port 111, the transferring part 95 is moved to the sealing part 173 So that there is a risk that the sealing portion 173 is broken. It is preferable that the moving range of the transfer part 95 provided in the present invention is set so as not to deviate from the space formed between the door first body 161 and the closing surface 167 provided on the door second body.

10 shows an example of a home appliance equipped with a sensing unit for determining whether the door 16 has closed the charging opening 111. The sensing unit provided in this embodiment includes a first sensing unit S1 and a second sensing unit S1, And a sensing unit S2.

The first sensing unit S1 includes a first magnet S11 provided in the door 16 and a first signal generator M1 provided in the cabinet 1 for generating an electric signal when the magnetic force of the first magnet is sensed The second sensing unit S2 may be provided in the second magnet S21 and the cabinet 1 of the door 16 so that an electric signal is generated when the magnetic force of the second magnet is sensed And a second signal generating unit S23.

The first signal generator S13 is provided as means for generating an electrical signal when the first magnet S11 is located within a predetermined range and transmitting the generated electrical signal to a controller (not shown). The second signal generator S23, (Not shown) to generate an electrical signal when the second magnet S21 is located within a predetermined range. That is, when it is determined that the magnitude of the magnetic force provided by each of the magnets S11 and S21 is equal to or greater than a preset reference magnetic force, the first signal generator S13 and the second signal generator S23 generate an electrical signal, As shown in FIG.

The sensing unit may be provided only in 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 can determine whether the charging opening 111 is open or closed even if one of the sensing units fails.

On the other hand, when the above-described sensing part is provided in the dishwasher, the control part can control the dishwasher depending on whether or not the door 16 has closed the inlet 111. [ That is, the control unit can operate the pump 4 or the steam supply unit 25 only when the door 111 is closed by the door 16. [ Further, when the input port 111 is not closed, the control unit may notify the user through the notification unit (speaker, display unit, etc.).

The first sensing unit S1 and the second sensing unit S2 shown in FIG. 10 are all provided to determine whether the door has opened or closed the inlet 111. However, the first sensing unit S1, And the second sensing unit S2 is provided to determine whether the door has opened the inlet, and the other one of the first sensing unit and the second sensing unit is configured to determine whether the engagement unit 7 is operated .

7, it is considered that the locking body 76 is separated from the first stopper 611 even though the door 16 does not close the inlet 111. [ In this case, the control unit determines whether the inlet 111 is opened or closed through any one of the first sensing unit and the second sensing unit, and determines whether the engagement unit is operated through the remaining one of the first sensing unit and the second sensing unit When the fastening body 75 is separated from the first stopper 611 by an external force, it can notify the user through the notification unit (not shown).

That is, when the first sensing unit S1 and the second sensing unit S2 transmit an electrical signal, the controller will determine that the door normally closes the inlet 111. [ However, if any one of the two sensing units S1 and S2 transmits an electrical signal, the notification unit can notify the user that the door has not normally closed the door.

The sensing unit for determining whether the coupling unit 7 is operated may include a magnet provided on at least one of the first body 71 and the second body 74 of the coupling unit 7, And a signal generator for generating an electric signal by sensing the magnetic force of the magnet when the magnet is separated from the stopper 611.

The sensing unit for determining whether the coupling unit 7 is operated may include a magnet provided on at least one of the first slider 91 and the second slider 94, And a signal generator for generating an electric signal by sensing the magnetic force of the magnet when the slider 91 or 94 moves to a position for separating the magnet from the magnet.

FIG. 11 shows another embodiment of the sensing unit. The sensing unit according to the present embodiment includes a first sensing unit S1 for determining whether the fastening unit 7 is operated, a second sensing unit S1 for determining whether the door is closed, And a second sensing unit S2 for determining whether the second sensing unit S2 is operating.

The first sensing unit S1 provided in the present embodiment includes a first case S15 fixed to the cabinet 1 or the housing 6 or the like, a first switch S15 provided in the first case and generating an electrical signal S19). When the fastening body 75 is separated from the first stopper 611, the first switch S19 contacts the at least one of the first body 71 and the second body 74 to operate the first switch S19 And a first pressing portion S17.

Therefore, when the fastening body 75 is separated from the first stopper 611, the first pressing portion S17 actuates the first switch S19, and the first switch S19 switches the electric signal And transmits the generated signal to the control unit, so that the control unit can detect whether the coupling unit 7 is operated.

Meanwhile, the second sensing unit S2 provided in the present embodiment may be provided in the same manner as the second sensing unit provided in the embodiment of FIG. That is, the second sensing unit S2 provided in the present embodiment includes a second magnet S21 provided in the door 16, a second signal generating unit provided in the cabinet 1 for sensing the magnetic force of the second magnet, (S23).

In this case, the second signal generating unit S23 generates an electrical signal when the second magnet S21 is located within a predetermined range (when the door moves to a position where the door is closed), and outputs the electrical signal to a control unit Lt; / RTI >

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 the housing 6, a second switch provided inside the second case for generating an electrical signal, 111), the second pushing portion may be provided as a second pushing portion that contacts the door to actuate the second switch.

Therefore, when the control unit receives the electrical signal from the first sensing unit S1 and the second sensing unit S2, it determines that the door normally closes the charging port 111, and selects either of the sensing units S1 and S2 If the electric signal is received only in one, the user can be notified through the notification unit that the door has not normally closed the door.

12 and 13 illustrate another embodiment of the sensing unit. The sensing unit included in the present embodiment also includes a first sensing unit S1 for determining whether the connecting unit 7 is operated, And a second sensing unit S2 for determining whether or not the input port 111 is closed.

The first sensing part S1 provided in the present embodiment is characterized by determining whether the coupling part 7 is operated or not through the movement of the sliders 91 and 94. In the cabinet 1 or the housing 6, A first pressing portion S17 which is pressed by the slider when the slider 91 or 94 moves to a position where the fixing body 75 is separated from the first stopper 611, And a first switch S19 provided in the first case and generating an electrical signal when the first pressing portion S17 contacts the sliders 91 and 94. [

The first pressing portion S17 may be provided to sense the position of at least one of the first slider 91 and the second slider 94. [ 12 shows a state in which the first pressing portion S17 contacts the first slider 91 when the first slider 91 moves to a position where the fastening body 75 is separated from the first stopper 611, The first switch S19 is provided to generate an electrical signal by the first pushing unit S17 as an example.

As shown in FIG. 13, the second sensing unit S2 provided in the present embodiment includes a sensing body S22 reciprocally provided in the housing 6, a slit A protruding body S24 inserted into the housing body 623 at one end and fixed to the sensing body S22 at the other end and a sensing body S22 at the other end in a direction in which the inlet 111 is located A contact portion S26 protruding from the sensing body S22, a second case S25 fixed to the cabinet 1 or the housing 6 (refer to FIG. 12), a second case A second pressing portion S27 which is pressed by the contact portion S26 when the door 16 is moved to a position closing the loading port 111 and a second pressing portion S27 provided inside the second case S25, And a second switch S29 for generating an electrical signal when the sensing body S27 contacts the sensing body S22.

Therefore, when the door 16 closes the inlet 111, the protruding body S24 moves with the door second body 163 in the direction away from the inlet 111, and the protruding body S24 The sensing body S22 will move toward the rear of the housing 6. [ The contact portion S26 contacts the second pressing portion S27 while the sensing body S22 moves toward the rear of the housing 6 and the second pressing portion S27 contacts the second switch S29, Lt; RTI ID = 0.0 > control < / RTI > Therefore, the control unit can determine whether the door 16 has closed the inlet 111 through the second sensing unit S2 described above.

The present invention may be embodied in various forms without departing from the scope of the invention. Accordingly, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

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

Claims (24)

A locking device for detachably fixing a door to a cabinet provided with a loading port,
A holder provided on one of the cabinet and the door;
A housing provided on the other of the cabinet and the door;
A first stopper provided on the housing;
An operating part that is reciprocatable within the housing and moves toward a direction away from the charging port by the holder when the door closes the charging port;
A fastening part supported on the first stopper and separated from the first stopper when the actuating part is moved in a direction away from the charging port to engage with the holder;
A first elastic body for providing a force for moving the coupling portion in a direction away from the loading port;
And a second elastic body for providing a force for moving the operation part in a direction in which the insertion port is located. The method according to claim 1,
Wherein the fastening portion is detachably mounted on the first stopper and engages with the holder when the fastening portion is detached from the first stopper. And a first body and a second body extending from both opposite ends of the fastening body toward a direction away from the charging port,
The operating portion includes a first slider and a second slider which are reciprocatable along the moving direction of the holder and spaced 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 loading port by the holder; And a body pushing unit provided at 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 unit to separate the fastening body from the first stopper, ≪ / RTI > 3. The method of claim 2,
The first elastic body maintains a compressed state when the fastening body is supported by the first stopper. When the fastening body is separated from the first stopper, the first elastic body moves the fastening body in a direction away from the charging port,
Wherein the second elastic body is compressed by at least one of the first slider and the second slider while the operation portion moves to a position separating the fastening body from the first stopper,
Wherein a force required to compress the first elastic body is set larger than a force necessary to compress the second elastic body. The method of claim 3,
And a second stopper provided on the housing and restricting movement of the fastening body when the fastening body is separated from the first stopper. 5. The method of claim 4,
And a first plate and a second plate disposed in a space between the first body and the second body and providing a space for accommodating the first elastic body,
Wherein the second stopper is provided at least one of a surface of the first plate facing the first stopper and a surface of the second plate. 6. The method of claim 5,
A support body rotatably fixed to the first plate and the second plate;
And an extension extending from the support body toward the first stopper,
Wherein the first elastic body is fixed at one end to the support body and the other end is fixed to at least one of the first body and the second body,
And the second stopper positions the fastening body separated from the first stopper at a lower portion of the extension portion. The method according to claim 6,
Further comprising a damper provided on either the coupling body or the second stopper to mitigate an impact generated when the coupling body and the second stopper collide with each other. The method according to claim 6,
And a damper fixed to the support body to prevent the locking body from colliding with the second stopper. The method according to claim 6,
Wherein the first stopper further comprises a seat portion for supporting the free end of the extended portion to prevent the free end of the extended portion from being exposed to the outside of the first stopper. 3. The method of claim 2,
The body-
A first body pressing part provided on the first slider and configured to press the first body so that the coupling body is separated from the first stopper when the transfer part moves in a direction away from the loading port; And
A second body presser which is provided on the second slider and presses the second body so that the coupling body is separated from the first stopper when the transferring part moves toward the direction away from the loading port; ≪ / RTI > 11. The method of claim 10,
A first body inclined surface provided on the first body and inclined upward toward a direction away from the charging port and contacting the first body pressing part when the conveying part moves toward a direction away from the charging port; And
A second body inclined surface provided on the second body and inclined upward toward a direction away from the charging port and contacting the second body pressing part when the conveying part moves toward a direction away from the charging port; ≪ / RTI > 3. The method of claim 2,
A first receiving portion provided in the housing and providing a path for moving the first slider;
And a second accommodating portion provided in the housing and providing a path of movement of the second slider. 13. The method of claim 12,
The second elastic body
A first spring provided in the first accommodating portion to press the first slider in the direction of the loading port;
A second spring provided in the second accommodating portion to press the second slider toward the loading port; Wherein the locking device comprises: 3. The method of claim 2,
A first bar extending through the first slider to guide movement of the first slider;
Further comprising: a second bar extending through the second slider to guide movement of the second slider. 15. The method of claim 14,
The second elastic body
A first spring into which the first bar is inserted and which presses the first slider in the direction of the loading port;
A second spring into which the second bar is inserted and presses the second slider in the direction of the insertion port; Wherein the locking device comprises: The method according to claim 1,
A first magnet disposed on one of the door and the cabinet;
A first signal generator provided in the other one of the door and the cabinet and generating an electric signal by sensing the magnetic force of the first magnet when the door is closed;
A second magnet disposed in one of the door and the cabinet, the second magnet being disposed at a position apart from the first magnet with the housing interposed therebetween;
And a second signal generating unit provided in the other of the door and the cabinet and sensing an electric power of the second magnet when the door is closed to generate an electric signal. . 3. The method of claim 2,
A first sensing unit for determining whether the fastening body is separated from the first stopper;
And a second sensing unit for determining whether the door has closed the inlet. 18. The method of claim 17,
The first sensing unit
A first pressing portion contacting the 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 for generating an electrical signal when at least one of the first body and the second body contacts the first pressing portion. 18. The method of claim 17,
The first sensing unit
A first pressing part contacting the at least one of the first slider and the second slider when the actuating part moves to a position where the fastening body is separated from the first stopper;
And a first switch for generating an electrical signal when at least one of the first slider and the second slider contacts the first pressing portion. 18. The method of claim 17,
The second sensing unit
A magnet disposed in one of the door and the cabinet;
And a signal generating unit provided in the other one of the door and the cabinet and generating an electric signal by sensing the magnetic force of the magnet when the door closes the inlet. 18. The method of claim 17,
The second sensing unit
A sensing body reciprocally disposed within the housing;
A protruding body contacting the door to move the sensing body in a direction away from the charging port when the door moves in a direction closing the charging port;
A body supporting part for providing a force for moving the protruding body in a direction toward the charging port;
A second pressing part contacting the sensing body when the door closes the inlet;
And a second switch for generating an electrical signal when the sensing body contacts the second pressing portion. A cabinet having an inlet;
A tub provided inside the cabinet and forming a storage space to be stored;
A communication hole communicating the tub and the inlet;
A door second body protruding from the first body toward the tub, and a second body provided on the door second body. When the first body of the door closes the inlet, A door having a closed surface to be closed;
A sealing portion provided along an edge of the communication hole and being squeezed between the closing surface and the edge of the communication hole when the door body is closed;
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 on the first stopper and coupled to the holder when detached from the first stopper;
Wherein when the door body is moved in a direction to close the inlet port, the door body moves in a direction in which the communication hole is located, and moves in a 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 for providing a force for moving the coupling portion in a direction away from the loading port;
And a second elastic body for providing a force for moving the operating part in a direction in which the charging port is located. 23. The method of claim 22,
Wherein the fastening portion is detachably coupled to the first stopper and engages with the holder when the fastening portion is detached from the first stopper. And a first body and a second body extending from both opposite ends of the fastening body toward a direction away from the charging port,
The operating portion includes a first slider and a second slider reciprocally disposed inside the housing, the first slider and the second slider being spaced apart from each other to form a space in which the first body and the second body are accommodated; A transporting 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 being in contact with at least one of the first body and the second body depending on the position of the transferring part to separate the fastening body from the first stopper And a body pressurizing portion. 24. The method of claim 23,
Wherein the reciprocating motion range of the conveyance portion is set so that the closed surface does not contact the sealing portion when the communication hole is closed.

Images