KR102392210B1 - Refirgerator - Google Patents

Abstract

A refrigerator according to an embodiment of the present invention includes: a cabinet forming a storage space; a main door rotatably connected to the cabinet to open and close the storage space, the main door having an opening; a sub door rotating independently of the main door to open and close the opening; a latch member provided in the sub-door and protruding to be inserted and restrained in a latch receiving portion formed in the main door when the sub-door is closed; a manipulation member provided in the sub-door, located below the latch member, and operated by a user to open the sub-door; and a connecting member provided in the sub-door to connect the manipulation member and the latch member to interlock the latch member and the manipulation member, wherein the manipulation member is provided in a space recessed from the lower surface of the sub-door characterized in that

Description

refrigerator {Refrigerator}

The present invention relates to a refrigerator.

BACKGROUND ART In general, a refrigerator is a home appliance that can store food at a low temperature in an internal storage space that is shielded by a door. To this end, the refrigerator is configured to store the stored food in an optimal state by cooling the inside of the storage space using cold air generated through heat exchange with the refrigerant circulating in the refrigeration cycle.

Recently, refrigerators are gradually becoming larger and multifunctional in accordance with changes in dietary habits and the trend of luxury products, and refrigerators with various structures and convenience devices in consideration of user convenience and energy efficiency are being released.

Representatively, there is a refrigerator in which a separate storage space is formed in the door of the refrigerator and a home bar door capable of opening and closing the refrigerator is provided so that food can be stored in the storage space.

In addition, in Korean Patent Laid-Open Publication No. 10-2013-0072186, a storage space is formed in the first door of the refrigerator, and the first door is rotatably provided to have a structure in which a sub-door for opening and closing the storage space is provided. The size of silver forms the entire upper part of the first door, so that each end of the sub-door is located at the same position as the left and right side ends and the upper end of the first door.

In addition, the first door and the sub-door are provided with a locking unit composed of a latch hook and a latch cam so that the sub-door can be fixed in a closed state, and the locking unit is operated by an operation button provided on the sub-door. A structure is disclosed that allows the door to be opened by releasing the restraint of the .

In the prior art, the operation button for opening the sub-door is exposed to the front of the sub-door, so that the appearance of the front of the refrigerator door, which occupies most of the exterior of the refrigerator, is hindered.

In addition, since the operation button is positioned at a position corresponding to the position of the locking unit for restraining the sub-door, the installation position of the operation button is also very limited, and the operation structure is also limited.

In addition, since the operation button is operated by pressing the operation button in the opposite direction to which the door is opened, there is a problem of inconvenience in use in terms of operability.

An object of the present invention is to provide a refrigerator, wherein an operation member for opening the door is provided at an outer end of the door of the refrigerator.

And, in an embodiment of the present invention, the locking unit for releasing the restraint of the door and the operation member operated for the action of the locking unit are connected by a support member, so that the locking unit is disposed at a position where the door is easily fixed, An object of the present invention is to provide a refrigerator that allows the operation member to be positioned at another position for easy operation.

A refrigerator according to an embodiment of the present invention includes: a cabinet forming a storage space; a main door rotatably connected to the cabinet to open and close the storage space, the main door having an opening; a sub door rotating independently of the main door to open and close the opening; a latch member provided in the sub-door and protruding to be inserted and restrained in a latch receiving portion formed in the main door when the sub-door is closed; a manipulation member provided in the sub-door, located below the latch member, and operated by a user to open the sub-door; and a connecting member provided in the sub-door and configured to connect the manipulation member and the latch member to interlock the latch member and the manipulation member, wherein the manipulation member is provided in a space recessed from the lower surface of the sub-door. can

The manipulation member may be rotatably mounted to the sub-door, and a rotation shaft of the manipulation member may be positioned higher than a lower end of the sub-door.

The manipulation member may be rotatably mounted to the sub-door, and a rotation shaft of the manipulation member may be located inside the recessed space.

The sub-door includes an outer case forming a front surface of the sub-door, a door liner forming a rear surface of the sub-door, and a lower end of the outer case and a lower end of the door liner to form a lower surface of the sub-door. It may include a cap deco, and an insulating material foamed in the space formed in the outer case, the door liner, and the cap deco.

The manipulation member may include a rotating shaft rotatably coupled to the cap deco, and a pressing unit extending from the rotating shaft to be directly manipulated by the user.

The pressing part may be exposed below the sub-door.

When the pressing part is operated, the pressing part may be rotated in a direction closer to one side of the cap deco, and the latch member may be rotated by the connecting member to release the restraint between the latch member and the latch receiving part.

The connecting member may be formed to extend vertically in the shape of a rod, and the lower end of the connecting member may be bent so as to be in contact with the manipulation member at a position away from the rotation shaft.

A connecting member case forming a space in which the connecting member is operably accommodated is provided inside the sub-door, and the connecting member case may block the inflow of the insulating material into the connecting member case when the insulator is introduced. there is.

An upper end of the connecting member may be in contact with a lower surface of the latch member, and a lower end of the connecting member may be in contact with an upper surface of the manipulation member.

The connecting member case may be fixedly mounted to the door liner.

A latch member case for accommodating the latch member and a manipulation member case for accommodating the manipulation member are provided inside the sub-door filled with the heat insulating material, and upper and lower ends of the connection member case are the latch member case and the manipulation member Each can be fixed to the case.

The latch member may protrude through the door liner.

The manipulation member may be disposed on one side far from the rotation axis of the sub-door among the left and right sides, and the latch member may be disposed in the middle of the vertical height of the sub-door.

A door rotating in the same direction as the sub-door may be further provided below the sub-door, and the pressing part may be exposed to a space between the lower end of the sub-door and the upper end of the door.

1 is a perspective view of a refrigerator according to an embodiment of the present invention.
2 is an open perspective view of a sub-door according to an embodiment of the present invention.
3 is a front view of the sub-door.
4 is a perspective view showing a lower end of the sub-door.
FIG. 5 is a perspective view of a cross section 5-5′ of FIG. 3 .
6 is an exploded perspective view of the door opening and closing assembly according to the embodiment of the present invention.
7 is a view illustrating a state of the door opening and closing assembly when the sub-door is closed.
8 is a view showing a state of the door opening and closing assembly in an open state of the sub-door;
9 is an exploded perspective view of a sub-door according to a second embodiment of the present invention.
10 is a cross-sectional perspective view showing the operating state of the door opening and closing assembly according to the second embodiment of the present invention.
11 is a perspective view showing the exterior of a refrigerator according to a third embodiment of the present invention.
12 is a perspective view showing the exterior of a refrigerator according to a fourth embodiment of the present invention.
13 is a perspective view showing an open sub-door of the refrigerator.

Hereinafter, specific embodiments of the present invention will be described in detail with drawings. However, the present invention cannot be said to be limited to the embodiments in which the spirit of the present invention is presented, and other inventions that are degenerative by addition, change, deletion, etc. of other components or other embodiments included within the scope of the present invention are easy can suggest

1 is a perspective view of a refrigerator according to an embodiment of the present invention. And, Figure 2 is an open perspective view of the sub-door according to the embodiment of the present invention. 3 is a front view of the sub-door.

As shown in the drawings, the refrigerator 1 according to the embodiment of the present invention may have an external shape formed by a cabinet 10 forming a storage space and a door opening and closing the storage space.

The inside of the cabinet 10 is divided left and right to form a freezing compartment 11 and a refrigerating compartment 12, respectively. In addition, the door may include a freezing compartment door 20 and a refrigerating compartment door 30 that shield the freezing compartment 11 and the refrigerating compartment 12, respectively.

In addition, the refrigerator compartment door 30 may be provided with an accommodation device 31 (accomodation device) for forming a separate storage space separated from the inside of the refrigerator compartment 12 . Accordingly, when the refrigerating compartment door 30 is closed, the inside of the refrigerating compartment 12 may become a first storage compartment, and the inside of the storage device 31 may become a second storage compartment 32 .

Meanwhile, the refrigerating compartment door 30 may include a main door 100 for opening and closing the first storage compartment and a sub door 200 for opening and closing the second storage compartment 32 .

The main door 100 is connected to an upper end of the main door 100 and the upper surface of the cabinet 10 by a door hinge 110 , and the main door 100 is rotatable to the cabinet 10 . can be combined. In addition, although not shown in detail, a separate hinge (not shown) is also provided at the lower end of the main door 100 so that the main door 100 can be rotatably mounted. Accordingly, the refrigerating compartment 12 may be opened and closed according to the rotation of the main door 100 , and the main door 100 is rotated to accommodate food in the refrigerating compartment 12 .

In addition, an opening 120 is formed in the upper portion of the main door 100 . The opening 120 may extend from the grip part 33 serving as a handle to a position adjacent to the upper end of the main door 100 , and may extend to a position adjacent to both left and right ends of the main door 100 . In addition, the storage device 31 may be provided on the rear surface of the main door 100 corresponding to the rear of the opening 120 . The accommodating device 31 has a shape that is opened forward, and may be configured to allow access to the interior of the accommodating device 31 through the opening 120 .

In addition, a sealer (not shown) is provided around the rear surface of the main door 100 to contact the front circumference of the cabinet 10 when the main door 100 is closed. The sealer may be formed of an elastically deformable material to be compressible, and a magnet may be provided therein to be configured to be in close contact with the cabinet 10 .

In addition, the opening 120 is configured to allow the food accommodated in the storage device 31 to be taken in and out in the state in which the main door 100 is closed. Accordingly, by opening the opening 120 in a state in which the main door 100 shields the refrigerating compartment 12 , food can be put into or taken out of the storage device 31 .

Two openings 120 may be disposed vertically with respect to the grip part 33 , or at least one storage device and sub-door may be provided in each of the freezing compartment door 20 and the refrigerating compartment door 30 .

In addition, the opening 120 is further formed in the freezing compartment door 20 and can be opened and closed by a separate door, and only one opening 120 opened and closed by the sub-door 200 may be provided if necessary. The arrangement of the door may be variously changed.

On the other hand, the opening 120 may be formed to have a size corresponding to the front surface of the storage device 31 , and may be formed over the position of the grip part 33 of the main door 100 up and down, and left and right. is formed up to an area excluding a portion of both left and right ends of the main door 100 . Accordingly, it corresponds to most of the upper region of the refrigerator compartment door 30 and is significantly different from the home bar used in a general refrigerator in size and usability.

The grip part 33 is for opening and closing the refrigerating compartment door 30, that is, the main door 100, and is horizontally disposed in the central part of the main door 100 so that the user can put his or her hand in it and pull it. formed in a recessed shape. The position of the grip part 33 corresponds to a position that is easy for a user to grip, and the refrigerator compartment door 30 including the sub door 200 forms a boundary between the upper and lower portions of the refrigerator compartment door 30 . is configured to look as if the main door 100 is composed of one.

The grip part 33 may be formed in a shape that is depressed inwardly and downwardly so that a user can easily grip it. In addition, the grip part 33 may be formed in the same shape as the freezer compartment door 20 , and may be formed at the same height from the left end to the right end of the refrigerator 1 when viewed from the front. Accordingly, even though the sub-door 200 is provided in the refrigerating compartment door 30 , the refrigerating compartment door 30 and the freezing compartment door 20 may have the same shape when viewed from the front.

The sub-door 200 is for opening and closing the opening 120 , and is rotatably mounted to the main door 100 by an upper hinge 210 . Both ends of the upper hinge 210 are shaft-coupled to the upper surface of the main door 100 and the upper surface of the sub-door 200, respectively, and the sub-door 200 can rotate around the main door 100 as an axis is configured to

A lower hinge (not shown) is further provided at the lower end of the sub-door 200 . The lower hinge is provided at the lower end of the sub door 200 , is mounted on the main door, and rotatably supports the sub door 200 . Although not shown in detail, the lower hinge may have a cam structure or a spring structure so that opening and closing of the sub-door 200 can be made more smoothly.

Accordingly, the main door 100 and the sub-door 200 can rotate independently, respectively, and the refrigerating compartment 12 and the opening can be independently operated by the main door 100 and the sub-door 200 . 120 can be selectively opened and closed.

On the other hand, the front surface of the sub-door 200 is formed of the same material as the front surface of the freezing compartment door 20, and may be formed so that a pattern or pattern is continuous. In addition, the front surface of the sub-door 200 may be formed so that the front surface of the sub-door 200 is positioned on the same plane as the front surface of the freezing compartment door 20 when the sub-door 200 is closed.

In addition, the sub-door 200 is formed so that the rest of the periphery except for the lower end adjacent to the grip part 33 corresponds to the periphery of the main door 100 . Accordingly, when the sub-door 200 is closed, when viewed from the front, the connection part on which the sub-door 200 is formed is not visible.

Therefore, when viewed from the front with the sub-door 200 closed, the front shapes of the refrigerator compartment door 30 and the freezer compartment door 20 may look identical, and in the case of a first-time user, the sub door ( 200) may not be easily recognized, and the entire refrigerator compartment door 30 may be recognized as a single door.

Meanwhile, a door basket capable of storing food is provided on the rear surface of the sub-door 200 . The door basket is detachably mounted, and the rear surface of the sub-door 200 may be configured such that the mounting position can be adjusted so that the height can be adjusted.

A latch member 430 is provided on the rear surface of the sub-door 200 . In addition, a latch receiving part 130 may be formed on one side of the main door 100 corresponding to the latch member 430 .

When the sub-door 200 is closed, the latch member 430 may be inserted into the latch accommodating part 130 , and the latch member 430 may be inserted into the latch accommodating part 130 inside the latch accommodating part 130 . The sub-door 200 can be maintained in a closed state by being restrained while being inserted into the latch accommodating part 130 .

In addition, an operation member 410 is provided at the lower end of the sub-door 200 . The manipulation member 410 is operated by a user for the operation of the latch member 430 , and may be provided at a lower edge of the sub-door 200 . In this case, the operation member 410 may be provided at a corner far from the rotation shaft to facilitate the rotation operation of the sub-door 200 .

In addition, the sub door 200 includes the latch member 430 and the manipulation member 410 , and a door opening and closing assembly 400 for opening and closing the sub door 200 is provided. Hereinafter, the structure of the door opening and closing assembly 400 will be described in detail with reference to the drawings.

4 is a perspective view showing a lower end of the sub-door. And, FIG. 5 is a cross-sectional perspective view 5-5' of FIG. 3 . And, Figure 6 is an exploded perspective view of the door opening and closing assembly according to the embodiment of the present invention.

As shown in the drawing, the door opening and closing assembly 400 includes an operation member 410 operated by a user as a whole, a latch member 430 inserted into and constrained by the latch receiving part 130 , and the latch member ( 430 may be composed of a connection member 420 that connects to the operation member 410 to be operable.

In detail, the manipulation member 410 is provided at the lower end of the sub-door 200 . The operation member 410 is a component of the door opening and closing assembly 400 so that the latch member 430 can be operated, and is provided at a corner of the lower end of the operation member 410 .

The manipulation member 410 is installed at the lower end of the sub-door 200 and protrudes to the outside so that the user can operate it. At this time, the manipulation member 410 is configured to expose only a part of the part manipulated by the user toward the grip part 33 disposed at the center of the refrigerator door 30 so that the exposed part when the user sees from the front is minimized. is composed

The manipulation member 410 is mounted on the cap deco 230 forming the lower end of the sub door 200 and is configured to be rotated by a user's manipulation.

Looking in more detail with respect to the manipulation member 410, the manipulation member 410 includes a rotating part 412 into which the rotating shaft 411 is inserted, and a support part 413 extending above the rotating part 412, and the rotating part. It may be composed of a pressing portion 415 extending from the lower side of the (412).

The rotation shaft 411 is formed so that the operation member 410 can be shaft-coupled to the cap deco 230 . In addition, the support part 413 extends forward from the upper portion of the rotating part 412 , and an end of the connecting member 420 is shaft-coupled to the end thereof. In addition, the pressing part 415 may be formed to extend forward from the lower portion of the rotating part 412 and be inclined or rounded so as to gradually move away from the support part 413 in the extending direction. On the other hand, the pressing portion 415 is formed so that the area of the extended end is formed to be easy for the user to operate.

In addition, in a state in which the manipulation member 410 is mounted on the Cap Deco 230 , the support part 413 and the rotating part 412 except for the pressing part 415 of the manipulation member 410 are the Cap Deco 230 . ), and only the pressing part 415 protrudes downward of the cap deco 230 . At this time, the front end of the pressing part 415 is configured to be separated from the lower end of the cap deco 230 so that the user can rotate the operation member 410 through a pressing operation.

The connecting member 420 is configured such that the lower end thereof can be shaft-coupled to the connecting member coupling portion 414 formed in the support portion 413 . Accordingly, when the operation member 410 is rotated, the connection member 420 can move up and down.

The connecting member 420 may be formed in a long rod shape, and the lower end of the connecting member 420 is shaft-coupled to the connecting member coupling part 414, and the upper end of the connecting member 420 is not fixed to the latch member. It may be configured to be in contact with the lower surface of the 430 . At this time, the upper end of the connecting member 420 in contact with the latch member 430 is a point away from the rotation shaft 431 of the latch member 430 , and thus, the latch member 420 moves up and down according to the vertical movement of the latch member 420 . The member 430 can rotate about the rotation shaft 431 of the latch member 430 .

In addition, an insulating material may be provided between the outer case 210 forming the exterior of the sub-door 200 and the door liner 220 forming the inside, and for guiding the movement of the connecting member 420 . A guide member 450 may be provided.

The guide member 450 may be formed at a position where the latch member 430 is formed, and includes a connecting member guide 452 provided inside the sub-door 200 to accommodate the connecting member 420 . , a latch mounting part 451 to which the latch is mounted may be formed. The guide member 450 may perform a thermal insulation function inside the sub-door 200, and for this purpose, it may be formed of a polystyrene material having excellent thermal insulation performance.

The latch member 430 may be rotatably mounted to the latch mounting portion 451 of the guide member 450 . The rear end of the latch member 430 is shaft-coupled inside the latch mounting part 451 , and the front end of the latch member 430 passes through the door liner 220 and protrudes backward.

Looking at the latch member 430 in more detail, the latch member 430 is formed to have a predetermined width, and is formed to be elongated in the front-rear direction as a whole. In addition, a shaft coupling part 432 that is shaft-coupled from the inside of the guide member 450 or the sub-door 200 is formed at the rear end of the latch member 430 .

In addition, an elastic member support portion 435 on which the elastic member 440 is supported is formed above the shaft coupling portion 432 . The elastic member 440 provides an elastic force so that the latch member 430 can maintain a horizontal state, and is configured to support the elastic member support part 435 in the latch mounting part 451 .

A latch body 433 extending rearward from the shaft coupling portion 432 is formed. The latch body 433 is extended to pass through the latch mounting part 451 , and an end of the latch body 433 is configured to protrude through the rear surface of the sub door 200 .

In addition, a restraining portion 434 is formed at an end of the latch body 433 . The restraining part 434 is formed to be coupled with the protrusion-shaped locking part 131 formed in the latch receiving part 130 when the latch member 430 is inserted into the latch receiving part 130 . do.

In detail, the restraining part 434 is formed so that the first half of the latch body 433 is opened, and the locking part 131 is configured to be accommodated therein. In addition, a restraining roller 436 is rotatably provided at the front end of the restraining part 434 , and the restraining roller 436 moves along the inclined surface 132 of the locking part 131 while the restraining part 434 is moved. ) and the locking portion 131 to induce a locking constraint.

Meanwhile, in the guide member 450 , the latch mounting part 451 through which the latch body 433 passes is formed to have a vertical width greater than the thickness of the latch body 433 , and the latch member 430 . A space in which the latch body 433 can flow is provided during the rotation.

In addition, the latch mounting part 451 may communicate with the upper end of the connecting member guide part 452 , and the upper end of the connecting member 420 passing through the connecting member guide part 452 is the latch mounting part 451 . ) to support the lower surface of the latch body 433 in the inside to rotate the latch member 430 .

Hereinafter, the operation of the door opening and closing assembly will be described in more detail with reference to the drawings.

7 is a view illustrating a state of the door opening and closing assembly when the sub-door is closed.

As shown in the drawing, when the sub-door 200 is closed, the rear surface of the sub-door 200 is completely in close contact with the front surface of the main door, and at this time, the latch member 430 is the latch receiving part ( 130) is fixed in a state accommodated on the inside.

When the sub-door 200 is completely closed, the latch member 430 is in a state in which the locking part 131 of the latch receiving part 130 is inserted into the restraining part 434 of the latch member 430 It becomes a restrained state, and thus the sub-door 200 can also maintain a closed state.

And, at this time, the latch member 430 is in a horizontal state, and the elastic member 440 supports the latch member 430 in an uncompressed state. In addition, the lower surface of the latch member 430 is in contact with the upper end of the connection member 420 , and the connection member 420 is in a state in which another external force is not transmitted to the latch member 430 .

The manipulation member 410 is connected to the lower end of the connecting member 420 , and the pressing part 415 is exposed to the outside through the lower end of the sub-door 200 . And, at this time, the pressing part 415 is prepared so that the operation member 410 can be rotated by pressing the pressing part 415 in a state away from the lower surface of the sub-door 200 .

In this state, when the user desires to open the sub-door 200 , the latch member 430 is rotated by manipulating the manipulation member 410 , and the latch member 430 and the latch receiving part 130 are rotated. ) to release the restraint and allow the sub-door 200 to be opened.

8 is a view showing a state of the door opening and closing assembly in an open state of the sub-door;

As shown in the drawing, in order to open the sub-door 200, the user presses the pressing part 415 of the operation member 410 to operate. When the pressing part 415 is pressed, the operation member 410 rotates about the rotation shaft 411 of the operation member 410 , and the support part 413 moves upward.

By the movement of the support part 413 , the connecting member 420 connected to the support part 413 moves upward. At this time, the connecting member 420 can be stably moved upward by the guide member 450 , and the upper end of the connecting member 420 pushes up the lower surface of the latch member 430 .

By the upper end of the connecting member 420 , the latch member 430 is rotated based on the rotation shaft 431 of the latch member 430 , and in this case, the elastic member 440 is compressed. By rotation of the latch member 430 , the restraining part 434 of the front end of the latch member 430 is lifted upward, so that the restraining part 434 is caught by the latch receiving part 130 . The locking restraint with the part 131 may be released, and the sub-door 200 may be freely rotated to be opened.

At this time, since the user operates by pressing the operation member 410 located on the far side from the rotation shaft of the sub-door 200, naturally press the operation member 410 or hold the corresponding part after pressing the sub-door 200. (200) can be rotated.

And, when the hand pressing the pressing part 415 is released after the sub-door 200 is opened, the latch member 430 is rotated by the elastic restoring force of the elastic member 440 to return to the initial horizontal state. will return Accordingly, the connecting member 420 also moves downward, and the manipulation member 410 connected to the connecting member 420 also rotates so that the pressing part 415 protrudes downward of the sub-door 200 again. is in a state in which the operation member 410 can be operated again.

On the other hand, when the sub-door 200 is closed in a state in which the latch member 430 is returned to its initial state, the restraining roller 436 at the front end of the latch member 430 is disposed on the inclined surface of the locking part 131 ( 132), and thus the latch member 430 naturally rotates to compress the elastic member 440.

And, when the restraining roller 436 completely crosses the inclined surface of the locking part 131 , the locking part 131 is inserted into the restraining part 434 of the latch member 430 and the latch member 430 . ) can be in a constrained state as in FIG. 7 . The state in which the latch member 430 is caught in the latch receiving part 130 is a state in which the sub-door 200 is completely closed to the main door 100, and the sub-door 200 is completely closed to the main door 100 until the operation member 410 is operated. The door 200 can be maintained in a closed state.

Meanwhile, the refrigerator according to the present invention may have various embodiments different from the above-described embodiments.

For example, in the refrigerator according to another embodiment of the present invention, the configuration of the door opening and closing assembly may be different.

In the refrigerator according to the second embodiment of the present invention, only the configuration of the door opening and closing assembly and a part coupled thereto are different but all other configurations are the same. and a detailed description thereof will be omitted.

Hereinafter, a refrigerator according to another embodiment of the present invention will be described.

9 is an exploded perspective view of a sub-door according to a second embodiment of the present invention. And, Figure 10 is a cross-sectional perspective view showing the operating state of the door opening and closing assembly according to the second embodiment of the present invention.

As shown in the drawing, the refrigerator door 200 according to the second embodiment of the present invention has an outer shape formed by an outer case 210 forming an outer surface and a door liner 220 forming an inner surface, A cap deco 230 is mounted on the lower end of the outer case 210 and the door liner 220 are combined. In addition, the door opening and closing assembly 500 is provided inside the door 200 .

The door opening and closing assembly 500 includes an operation unit 510 for user operation, a latch unit 530 for maintaining a closed state of the door, and the operation unit 510 and the latch unit 530 . It may be composed of a connection unit 520 that allows these to be interlocked with each other.

In addition, in the state in which the door opening and closing assembly 500 is mounted inside the door 200, the insulating material for thermal insulation may be foamed and filled. At this time, the door opening and closing assembly 500 is buried by the insulating material. The configurations of are configured to be operable without being affected by the insulating material.

In detail, the operation unit 510 includes an operation member 511 that a user can press and manipulate, and an operation member case mounted inside the door 200 to form a space in which the operation member 511 is accommodated ( 512 ) and a case cover 513 coupled to the operation member case 512 to shield an open surface.

The operation member 511 is rotatably mounted on the inside of the operation member case 512 and is configured to be rotatable when the pressing part 514 is rotated. In addition, the pressing part 514 may protrude downwardly of the door 200 to be exposed, and when the pressing part 514 is pressed, the operation member 511 is the inner side of the operation member case 512 . is introduced while rotating at

In addition, a support portion 515 for supporting the lower end of the connection member 521 is formed on the operation member 511 . The support part 515 extends forward from the rotation shaft 516 of the manipulation member 511 and extends in a plane so that the lower end of the connection member 521 can be stably supported.

In addition, the lower portion of the connection member 521 penetrates the upper surface of the operation member case 512 and is inserted into the operation member case 512 , and is in contact with the support part 515 of the operation member 511 . be able to maintain

On the other hand, the latch unit 530 is provided above the manipulation unit 510 and may be disposed at approximately the center of the upper and lower heights of the door. At this time, the latch unit 530 and the corresponding latch unit 530 and the main body or other door of the refrigerator may be formed with a latch receiving portion selectively engaged with the latch member 531 of the latch unit 530 as in the first embodiment described above. can

The latch unit 530 includes a latch member 531 caught in a latch receiving portion formed on a counterpart to be caught in order to fix the door 200, and a latch member 531 to which the latch member 531 is rotatably mounted. A latch bracket 532, a latch case 533 accommodating the latch member 531 and the latch member 531 accommodating the latch bracket 532, and an open portion of the latch case 533 It may be configured to include a case cover 534 for shielding.

In detail, the latch case 533 is formed to have front and rear openings, and the front surface of the latch case 533 is formed to correspond to the opened one side of the door liner 220, and can be mounted on the opened one side. is configured to In addition, a latch cover 534 is mounted on the opened rear surface of the latch case 533 to provide a space in which the latch member 531 and the latch bracket 532 are accommodated.

The latch member 531 protrudes through the latch case 533 and the door liner 220 , and is configured such that the restraining part 536 formed in the shape of a hook is exposed to the outside. Accordingly, the restraining part 536 is configured to be fixed to the locking part of the refrigerator body or another door according to the selective rotation of the latch member 531 .

A rotation shaft 535 of the latch member 531 is rotatably mounted to the latch bracket 532 , and an elastic member such as a torsion spring is provided on the rotation shaft 535 to rotate the latch member 531 . It is configured to provide an elastic force for the latch member 531 to return to its original position.

Meanwhile, a connection unit 520 is provided between the manipulation unit 510 and the latch unit 530 . The connection unit 520 is formed to be elongated vertically, and is configured to connect the latch unit 530 and the manipulation unit 510 .

In detail, the connection unit 520 includes a connection member 521 for interlocking the operation member 511 and the latch member 531 and a connection member case 522 forming a space in which the connection member 521 is accommodated. ) can be composed of

The connecting member 521 is formed in a bar shape having a predetermined length, an upper end is in contact with a lower surface of the latch member 531 , and a lower end is configured to be in contact with the support part 515 of the manipulation member 511 . And, the lower portion of the connecting member 521 is bent so that the lower end can be in contact with the support part 515 located at the rear from the inside of the operation member case 512, and when the operation member 511 is rotated, it is stably up and down It is configured to be movable.

The connection member case 522 is fixed to the rear surface of the door liner 220 , and the upper and lower ends are fixed to the latch case 533 and the operation member case 512 . In addition, the connecting member case 522 forms a space therein, so that when mounted on the door liner 220 , the connecting member 521 can be accommodated to be movable up and down inside, and the door 200 . When the insulator is injected therein, the insulator is blocked from flowing into the connecting member case 522 .

Meanwhile, referring to the operation of the door opening and closing assembly 500 according to the second embodiment of the present invention having the structure as described above, when the operation member 511 is operated, the connection member 521 moves in the vertical direction. The latch member 531 rotates according to the movement of the connection member 521 so that the latch member 531 and the counterpart are selectively caught and constrained to maintain the door 200 in an open or closed state. there will be

The refrigerator according to the present invention may have various embodiments different from the above-described embodiments.

For example, in the refrigerator according to the third embodiment of the present invention, additional doors that can be opened and closed are provided in the refrigerator compartment door and the freezer compartment door, respectively, and a door opening and closing assembly is provided in each of these additional doors.

In the refrigerator according to another embodiment of the present invention, there is a difference only in the structure of the door and the mounting position of the door opening and closing assembly, and all other configurations are the same. Reference numerals are used and detailed descriptions thereof will be omitted.

11 is a perspective view showing the exterior of a refrigerator according to a third embodiment of the present invention.

As shown in the drawing, in the refrigerator 1 according to the third embodiment of the present invention, a freezing compartment 11 and a refrigerating compartment 12 partitioned on left and right sides are formed inside the cabinet 10 . In addition, the cabinet 10 is provided with a freezer compartment door 20 and a refrigerating compartment door 30 for opening and closing the freezing compartment 11 and the freezing compartment 11 by rotation, respectively.

In addition, a grip part 33 is formed on the front surfaces of the freezing compartment door 20 and the refrigerating compartment door 30 . The grip part 33 is recessed inwardly so that the user can hold the refrigerating compartment door 30 and the freezing compartment door 20 to open and close.

The freezing compartment door 20 and the refrigerating compartment door 30 are provided with openings in which front portions of the freezing compartment door 20 and the refrigerating compartment door 30 are opened, respectively, and a storage device accessible through the openings is provided, respectively, The device is formed above the grip portion (33). In addition, the freezing compartment door 20 and the refrigerating compartment door 30 have a first sub-door 200 for opening and closing the opened front surfaces of each storage device formed in the freezing compartment door 20 and the refrigerating compartment door 30 and a second Two sub-doors 600 are provided.

The first sub-door 200 and the second sub-door 600 have the same plane as the front surfaces of the freezer compartment door 20 and the refrigerator compartment door 30 under the grip part 33, respectively, and have the same pattern and material. It can be formed to have. The second sub-door 600 has the same structure as the sub-door of the first embodiment except for the mounting position, and thus a detailed description thereof will be omitted.

In addition, a door opening and closing assembly is provided in each of the first sub-door 200 and the second sub-door 600 . The configuration of the door opening and closing assembly also has the same structure as the first or second embodiment, and there is a difference only in the mounting position thereof, so a detailed description thereof will be omitted.

In detail, the operation members 415 and 610 of each door opening and closing assembly provided in the first sub-door 200 and the second sub-door 600 are the first sub-door 200 and the second sub-door 600 . It is provided at the bottom of the but located at the adjacent corners.

That is, the operation members 415 and 610 are respectively located at the lower ends of the first sub-door 200 and the second sub-door 600 , respectively, on the rotation shafts of the first sub-door 200 and the second sub-door 600 . It is provided at an end at a position far from the control panel so that the operation of the operation members 415 and 610 is easy, and the rotation operation of the first sub-door 200 and the second sub-door 600 can also be performed at once.

In addition, since the operation members 415 and 610 are disposed adjacent to each other, the user can more easily operate the first sub-door 200 and the second sub-door 600 .

The refrigerator according to the present invention may have various embodiments different from the above-described embodiments.

For example, in the refrigerator according to the fourth embodiment of the present invention, additional doors that can be opened and closed are provided in upper and lower rooms of at least one of the refrigerator compartment door and the freezer compartment door, and a door opening and closing assembly is provided in each of these additional doors. do it with

In the refrigerator according to another embodiment of the present invention, there is a difference only in the structure of the door and the mounting position of the door opening and closing assembly, and all other configurations are the same. Reference numerals are used and detailed descriptions thereof will be omitted.

12 is a perspective view showing the exterior of a refrigerator according to a fourth embodiment of the present invention. And, FIG. 13 is a perspective view in which the sub-door of the refrigerator is opened.

As shown in the drawing, in the refrigerator 1 according to the fourth embodiment of the present invention, a freezing compartment 11 and a refrigerating compartment 12 partitioned on the left and right sides of the cabinet 10 are formed. In addition, the cabinet 10 is provided with a freezer compartment door 20 and a refrigerating compartment door 30 for opening and closing the freezing compartment 11 and the freezing compartment 11 by rotation, respectively.

In addition, a grip part 33 is formed on the front surfaces of the freezing compartment door 20 and the refrigerating compartment door 30 . The grip part 33 is recessed inwardly so that the user can hold the refrigerating compartment door 30 and the freezing compartment door 20 to open and close.

The refrigerator compartment door 30 is provided with a storage device 31 having an open front, and the storage device is formed above and below the grip part 33 , respectively. In addition, the refrigerating compartment door 30 is provided with a first sub-door 200 and a third sub-door 300 for opening and closing the opened front of each storage device formed in the refrigerating compartment door 30 .

The front surfaces of the first sub-door 200 and the third sub-door 300 are positioned on the same plane, have the same plane as the front surface of the freezer door 20, and have the same pattern and material. can be Since the first sub-door 200 and the third sub-door 300 have the same structure as the above-described first embodiment, a detailed description thereof will be omitted.

In addition, a door opening and closing assembly is provided in each of the first sub-door 200 and the third sub-door 300 . The structure of the door opening and closing assembly also has the same structure as the first embodiment or the second embodiment, and there is a difference only in the mounting position, so a detailed description thereof will be omitted.

In detail, the operation members 310 and 415 of each door opening and closing assembly provided in the first sub-door 200 and the third sub-door 300 are the lower end of the first sub-door 200 and the third sub-door ( 300) is provided on the upper end, and is located at adjacent corners facing each other.

That is, the manipulation members 310 and 415 are provided at the lower ends and upper ends of the first sub-door 200 and the third sub-door 300 , respectively, and are provided at the ends far from the rotation axis to the manipulation members 310 and 415 . ) is easy to operate and the rotation operation of the first sub-door 200 and the third sub-door 300 is also arranged at once.

In addition, since the operation members 310 and 415 are disposed adjacent to each other, the user can more easily operate the first sub-door 200 and the third sub-door 300 .

On the other hand, although not shown, the third and fourth embodiments are combined to provide a pair of additional sub-doors to each of the refrigerator compartment door and the freezer compartment door so as to be able to open and close, and each door opening and closing assembly is provided in these doors Provided, each of which is positioned at the end of each door positioned in the region of the grip portion, and may be disposed at a position far from the rotation axis of each door.

Claims (15)

cabinets forming a storage space;
a main door rotatably connected to the cabinet to open and close the storage space, the main door having an opening;
a sub door rotating independently of the main door to open and close the opening;
a latch member provided in the sub-door and protruding to be inserted and constrained to a latch receiving portion formed in the main door when the sub-door is closed;
a manipulation member provided on the sub-door and positioned below the latch member and operated by a user to open the sub-door; and
and a connecting member provided in the sub-door and connecting the operation member and the latch member so that the latch member and the operation member are interlocked;
The operation member is provided in a space recessed from the lower surface of the sub-door.
The method of claim 1,
The operation member is rotatably mounted to the sub-door,
The rotating shaft of the operation member is located higher than the lower end of the sub-door refrigerator.
The method of claim 1,
The operation member is rotatably mounted to the sub-door,
The rotating shaft of the operation member is located inside the recessed space.
The method of claim 1,
The sub door is
an outer case forming a front surface of the sub-door;
a door liner forming a rear surface of the sub-door;
Cap Deco coupled to the lower end of the outer case and the lower end of the door liner to form a lower surface of the sub door;
A refrigerator comprising an insulating material foamed in a space formed in the outer case, the door liner, and the cap decoration.
5. The method of claim 4,
The operation member is
a rotating shaft rotatably coupled to the cap deco;
A refrigerator including a pressing part extending from the rotation shaft and operated directly by a user.
6. The method of claim 5,
The refrigerator is exposed to the lower side of the sub-door.
6. The method of claim 5,
When the pressing part is operated, the pressing part is rotated in a direction closer to one side of the cap deco,
A refrigerator in which the latch member is rotated by the connection member to release the restraint between the latch member and the latch receiving part.
6. The method of claim 5,
The connecting member is formed to extend vertically in the shape of a rod,
The lower end of the connection member is bent so as to be in contact with the operation member at a position away from the rotation shaft.
5. The method of claim 4,
A connecting member case forming a space in which the connecting member is operably accommodated is provided inside the sub-door,
The connection member case is a refrigerator that blocks the insulator from flowing into the connection member case when the insulator is introduced.
10. The method of claim 9,
The upper end of the connecting member is in contact with the lower surface of the latch member, and the lower end of the connecting member is in contact with the upper surface of the operation member.
10. The method of claim 9,
The connecting member case is fixedly mounted to the door liner.
10. The method of claim 9,
Inside the sub-door filled with the insulating material,
A latch member case in which the latch member is accommodated and an operation member case in which the operation member is accommodated are provided;
The upper and lower ends of the connection member case are respectively fixed to the latch member case and the operation member case.
13. The method of claim 12,
The latch member protrudes through the door liner.
The method of claim 1,
The operation member is disposed on one side far from the rotation axis of the sub-door among the left and right sides,
The latch member is disposed in the middle of the upper and lower heights of the sub-doors.
6. The method of claim 5,
A door rotating in the same direction as the sub-door is further provided below the sub-door and away from the sub-door,
The refrigerator is exposed to a space between the lower end of the sub-door and the upper end of the door.

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