KR102179342B1 - Refirgerator - Google Patents

Abstract

A refrigerator according to an embodiment of the present invention includes a cabinet in which a storage space is formed; A main door rotating with respect to the cabinet and having an opening to open and close the storage space; A sub door rotating in the same direction as the main door to open and close the opening; The sub-door is coupled to an outer case forming a front surface of the sub door, a door liner forming a rear surface of the sub door, and forming a lower surface of the sub door by being coupled to a lower end of the outer case and a lower end of the door liner. A cap deco and an insulating material foamed in the space formed by the outer case and the door liner and the cap deco; An operating member mounted on the capdeco and operated by a user; A latch member mounted at a position spaced apart from the operation member, penetrating through the rear of the sub-door and protruding toward the main door, and selectively restrained by the main door; A connecting member connecting the operation member and the latch member and allowing the latch member to operate according to the operation of the operation member; And a connection member case provided inside the sub-door to accommodate the connection member and to block the inflow of the insulating material. There is an advantage in that the convenience of use is improved by a refrigerator having such a structure.

Description

Refrigerator {Refirgerator}

The present invention relates to a refrigerator.

In general, refrigerators are home appliances that allow low-temperature storage of food 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 interior of the storage space using cold air generated through heat exchange with the refrigerant circulating through the refrigeration cycle.

Recently, refrigerators are gradually increasing in size and multifunctional in accordance with changes in dietary life and high-end products, and refrigerators having various structures and convenience devices in consideration of user convenience and energy efficiency are being released.

Typically, there is a refrigerator in which a separate storage space is formed on the door of the refrigerator, and a home bar door capable of opening and closing it is provided to allow food to be stored in the storage space.

In addition, Korean Patent Application Laid-Open No. 10-2013-0072186 has a structure in which a storage space is formed in the first door of the refrigerator, and a sub-door that is provided rotatably to the first door to open and close the storage space is provided. A structure is disclosed in which the size of the sub-door forms the entire upper portion of the first door, so that each end portion of the sub-door is positioned at the same position as the left and right ends and the upper end of the first door.

In addition, the first door and the sub-door are provided with a locking unit consisting 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 lock.

In such a conventional technique, the operation button for opening the sub-door is exposed to the front of the sub-door, and thus 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 installable position of the operation button is also very limited, and the operation structure is also limited.

In addition, since the operation button is pressed in a direction opposite to which the door is opened, there is a problem in that there is inconvenience in use in operability.

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

In an embodiment of the present invention, a locking unit for releasing a lock of a door and an operating member operated for the operation 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. The object of the operation member is to provide a refrigerator that can be located in another position that is easy to operate.

A refrigerator according to an embodiment of the present invention includes a cabinet in which a storage space is formed; A main door rotating with respect to the cabinet and having an opening to open and close the storage space; A sub door rotating in the same direction as the main door to open and close the opening; The sub-door is coupled to an outer case forming a front surface of the sub door, a door liner forming a rear surface of the sub door, and forming a lower surface of the sub door by being coupled to a lower end of the outer case and a lower end of the door liner. A cap deco and an insulating material foamed in the space formed by the outer case and the door liner and the cap deco; An operating member provided at the lower end of the sub-door and operated by a user; A latch member provided in the sub-door, protruding toward the main door at a position spaced upward from the operation member, and selectively constrained to the main door; A connecting member connecting the operation member and the latch member and allowing the latch member to operate according to the operation of the operation member; And a connecting member case provided inside the sub-door to form a receiving space for accommodating the connecting member, and blocking the inflow of the insulating material, wherein the connecting member is operated in the receiving space of the connecting member case The operation member and the latch member may be interlocked.
In the sub-door, an operation member case forming a space for accommodating the operation member; A latch member case may be provided on an opened side of the door liner and providing a space for accommodating the latch member.
An upper end of the connection member case may be connected to the latch member case, and a lower end of the connection member case may be connected to an operation member case.
The connecting member case may be fixedly mounted to the door liner.
The operation member is rotatably mounted on the capdeco and can be rotated by a user.
An operation member case may be provided at a lower end of the sub-door to form a space for accommodating the operation member, and the operation member may be rotatably mounted to the operation member case.
The latch member may protrude behind the door liner.
A hook-shaped restraint portion may be formed at the protruding end of the latch member.
The main door corresponding to the latch member may be provided with a latch receiving portion into which the latch member is inserted when the sub-door is closed.
A locking portion is formed inside the latch receiving portion, and the locking portion may be selectively locked and released from the locking portion according to the rotation of the latch member.
The latch member includes a shaft coupling portion axially coupled to the inner side of the sub-door, and an elastic member support portion extending from the shaft coupling portion and supporting an elastic member to provide an elastic force to maintain the latch member in a restrained state. can do.

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According to the proposed embodiment, the door opening and closing means is provided with a latch member at a position where the door is easily fixed, and the operation member is provided at an end portion that is easy to manipulate and does not interfere with the design of the front part, thereby providing a more beautiful appearance. It can maintain the opening and closing performance of the door while maintaining it.

In addition, there is an advantage in that the operation member is located on the side opposite to the rotation axis of the door so that the opening and closing of the door and the rotation operation can be performed at the same position, thereby making it easier to open and close the door.

In addition, since the operation member is disposed on the handle side, the user's operation is convenient, and at the same time, the configuration for operation exposed to the front of the door is eliminated to have a more beautiful appearance.

1 is a perspective view of a refrigerator according to an embodiment of the present invention.
2 is a perspective view of an open 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 the lower end of the sub door.
5 is a cross-sectional perspective view of FIG. 3 5-5'.
6 is an exploded perspective view of a door opening and closing assembly according to an embodiment of the present invention.
7 is a view showing a state of the door opening and closing assembly in a state in which the sub-door is closed.
8 is a view showing a state of the door opening/closing assembly when the sub-door is open
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 an 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 of the refrigerator in which the sub-door is opened.

Hereinafter, specific embodiments of the present invention will be described in detail together with the 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 regressive by addition, change, deletion, etc. of other components, or other embodiments included within the scope of the present invention can be easily performed Can be suggested.

1 is a perspective view of a refrigerator according to an embodiment of the present invention. And, Figure 2 is a perspective view of the open sub-door according to an embodiment of the present invention. And, Figure 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 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 to the left and right to form a freezing chamber 11 and a refrigerating chamber 12, respectively. In addition, the door may include a freezing compartment door 20 and a refrigerating compartment door 30 respectively shielding the freezing compartment 11 and the refrigerating compartment 12.

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

Meanwhile, the refrigerating compartment door 30 may include a main door 100 that opens and closes the first storage compartment, and a sub-door 200 that opens and closes the second storage compartment 32.

The main door 100 is connected to the upper surface 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. Further, 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 on the main door 100. The opening 120 extends from the grip portion 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 the left and right side 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 storage device 31 may have a form that opens forward, and may be configured to allow access to the interior of the storage device 31 through the opening 120.

Further, a sealer (not shown) is provided around the rear surface of the main door 100 in contact with 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 compressed, and may be configured to be in close contact with the cabinet 10 by providing a magnet therein.

In addition, the opening 120 is configured to allow food contained in the storage device 31 to be withdrawn in a state in which the main door 100 is closed. Accordingly, the main door 100 may open the opening 120 while the refrigerating compartment 12 is shielded, so that food may be put into or taken out of the storage device 31.

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

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

Meanwhile, the opening 120 may be formed to have a size corresponding to the front surface of the storage device 31, and may be formed up and down over the position of the grip portion 33 of the main door 100, and left and right. Is formed to a region excluding some of the left and right sides of the main door 100. Therefore, it corresponds to most of the upper area of the refrigerating compartment door 30 and has a distinct difference in size and usability from a home bar used in a general refrigerator.

The grip part 33 is for opening and closing the refrigerating compartment door 30, that is, the main door 100, and is disposed to be elongated in the horizontal direction at the central portion of the main door 100 so that the user can put a hand and pull it. It is formed in a recessed shape. The refrigerating compartment door 30 including the sub-door 200 by forming a boundary between the upper and lower portions of the refrigerating compartment door 30 as well as corresponding to a position where the grip part 33 is easily gripped by the user. It is configured to look like the main door 100 is composed of one.

The grip part 33 may be formed in a shape that is recessed inward and downward so that the user can easily grip it. Further, the grip part 33 may be formed in the same shape as the freezing 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, although 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 on the main door 100 by an upper hinge 210. Both ends of the upper hinge 210 are axially coupled to an upper surface of the main door 100 and an upper surface of the sub-door 200. The sub-door 200 can rotate around the main door 100 as an axis. Is configured to be

In addition, 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 and mounted on the main door, and the sub door 200 is rotatably supported. Although not shown in detail, the lower hinge may have a cam structure or a spring structure so that the sub-door 200 can be opened and closed more smoothly.

Accordingly, the main door 100 and the sub-door 200 can each independently rotate, and the refrigerating compartment 12 and the opening are independently operated by the main door 100 and the sub-door 200. It is possible to selectively open and close 120.

Meanwhile, 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 to have a continuous pattern or pattern. In addition, the front of the sub-door 200 may be formed such that the front of the sub-door 200 is positioned on the same plane as the front of the freezing compartment door 20 while the sub-door 200 is closed.

In addition, the sub-door 200 is formed to correspond to the circumference of the main door 100 except for a lower end adjacent to the grip part 33. Accordingly, when the sub-door 200 is closed, it may be formed to have a sense of unity so that the connection portion on which the sub-door 200 is formed is not visible when viewed from the front.

Therefore, when viewed from the front with the sub-door 200 closed, the refrigerating compartment door 30 and the freezing compartment door 20 may have the same front shape. In the case of a first-time user, the sub-door ( 200) may not be easily recognized, and it may be recognized that the entire refrigerating compartment door 30 is formed of one door.

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

In addition, 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 receiving part 130, and the latch member 430 may be disposed inside the latch receiving part 130. It is constrained while being inserted into the latch receiving part 130 so that the sub-door 200 can be maintained in a closed state.

In addition, an operation member 410 is provided at the lower end of the sub door 200. The operation member 410 is operated by a user to operate 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.

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

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

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

In detail, the operation member 410 is provided at the lower end of the sub-door 200. The operation member 410 allows the latch member 430 to operate as a component of the door opening/closing assembly 400 and is provided at a corner of the lower end of the operation member 410.

The operation member 410 is configured to protrude to the outside in a state installed at the lower end of the sub-door 200 so that a user can manipulate it. At this time, the operation member 410 is configured to expose only a part of the user-manipulated portion toward the grip portion 33 disposed in the center of the refrigerating compartment door 30 so that the exposed portion when viewed from the front is minimized. Is composed.

The operation 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 operation member 410, the operation member 410 includes a rotating part 412 into which the hinge shaft 411 is inserted, a support part 413 extending from the upper side of the rotating part 412, and the It may be composed of a pressing portion 415 extending from the lower side of the rotating portion 412.

The hinge shaft 411 is formed such that the operation member 410 is axially coupled to the cap deco 230. In addition, the support part 413 extends forward from the top of the rotation part 412, and an end of the connection 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 rotation part 412 and to 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 portion is formed to facilitate the user's operation.

And, in a state in which the operation member 410 is mounted on the cap deco 230, the support 413 and the rotating portion 412 excluding the pressing portion 415 of the operation member 410 are provided with the cap deco 230 ), and only the pressing part 415 protrudes downward from 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 its lower end can be axially coupled to the connecting member coupling portion 414 formed on the support portion 413. Therefore, when the operation member 410 is rotated, the connection member 420 can move up and down.

The connection member 420 may be formed in a long rod shape, and the lower end of the connection member 420 is axially coupled to the connection member coupling part 414, and the upper end of the latch member is not fixed. It may be configured to be in contact with the lower surface of the 430. At this time, the upper end of the connection 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 according to the vertical movement of the connection member 420 The member 430 is able to rotate around 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 interior, and to guide the movement of the connection 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 a connection member guide 452 provided inside the sub-door 200 to accommodate the connection member 420 , A latch mounting part 451 on 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, 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 axially coupled to the inside of the latch mounting portion 451, and a front end of the latch member 430 passes through the door liner 220 and is formed to protrude backward.

Looking in more detail with respect to the latch member 430, the latch member 430 is formed to have a predetermined width, and is formed to be long in the front-rear direction as a whole. Further, a shaft coupling portion 432 that is shaft-coupled from the inside of the guide member 450 or the sub-door 200 is formed at a 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 formed to extend 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 part 434 is formed at an end of the latch body 433. The restraining part 434 is formed to be coupled with the protruding locking part 131 formed in the latch receiving part 130 when the latch member 430 is inserted inside the latch receiving part 130 do.

In detail, the restraining part 434 is formed so that the front part of the latch body 433 is opened, and the locking part 131 is configured to be accommodated inside. In addition, a restraint roller 436 is rotatably provided at a front end of the restraint part 434, and the restraint roller 436 moves along the inclined surface 132 of the restraint part 131, and the restraint part 434 ) And the locking portion 131 is induced to be locked.

Meanwhile, the latch mounting portion 451 through which the latch body 433 passes from the guide member 450 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 an 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 ) Is configured to support the lower surface of the latch body 433 to rotate the latch member 430.

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

7 is a view showing a state of the door opening and closing assembly in a state in which 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 of the main door, and at this time, the latch member 430 includes the latch receiving part ( 130) is fixed in a state received 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 is in a constrained state, and thus the sub-door 200 can also be maintained in a closed state.

In this case, 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 a state in which the upper end of the connection member 420 is in contact, and the connection member 420 is in a state in which no other external force is transmitted to the latch member 430.

The operation member 410 is in a state connected to the lower end of the connection member 420, and the pressing portion 415 is exposed to the outside through the lower end of the sub-door 200. In this case, the pressing part 415 is prepared to rotate the operation member 410 by pressing the pressing part 415 while being separated from the lower surface of the sub-door 200.

In such a state, when the user desires to open the sub-door 200, the latch member 430 is rotated through the manipulation of the operation member 410, so that the latch member 430 and the latch receiving part 130 ) Is released and the sub-door 200 can be opened.

8 is a view showing a state of the door opening/closing assembly when the sub-door is open

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

The connection member 420 connected to the support part 413 moves upward by the movement of the support part 413. 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.

The upper end of the connecting member 420 causes the latch member 430 to rotate with respect to the rotation axis 431 of the latch member 430, and at this time, the elastic member 440 is compressed. By the rotation of the latch member 430, the restraining part 434 at the front end of the latch member 430 is lifted upward, and thus, the restraining part 434 is caught by the latch receiving part 130 The locking constraint with the part 131 may be released, and the sub-door 200 may be freely rotated and opened.

At this time, since the user presses and operates the operation member 410 located far from the rotational axis of the sub-door 200, the user naturally presses or presses the operation member 410 and then grabs the corresponding part and holds the sub-door. (200) can be rotated.

In addition, when the hand pressing the pressing part 415 is released after the sub-door 200 is opened, the latch member 430 rotates by the elastic restoring force of the elastic member 440 to return to an initial horizontal state. Will return. Accordingly, the connecting member 420 is also moved downward, and the operation member 410 connected to the connecting member 420 also rotates so that the pressing part 415 protrudes downward from the sub-door 200 The operation member 410 becomes 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 the initial state, the restraining roller 436 at the front end of the latch member 430 becomes an inclined surface of the locking part 131 ( It moves along 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 catching part 131, the catching 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. In a state in which the latch member 430 is locked by the latch receiving part 130, 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/closing assembly may be different.

In the refrigerator according to the second embodiment of the present invention, only the door opening/closing assembly and some components coupled thereto are different, but all other configurations are the same, and the same reference numerals are used to prevent duplicate descriptions of these same configurations. And its detailed description 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 an 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 is 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 at the combined lower end of the outer case 210 and the door liner 220. In addition, a door opening/closing assembly 500 is provided inside the door 200.

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

In addition, the door 200 may be foam-filled with an insulating material for heat insulation while the door opening/closing assembly 500 is mounted, and at this time, the door opening/closing assembly 500 is buried by an insulating material. The configurations of are configured to be operable without being affected by the insulation.

In detail, the operation unit 510 includes an operation member 511 that a user can press and operate, and an operation member case that is 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 the opened surface.

The operation member 511 is rotatably mounted inside the operation member case 512 and is configured to be rotated when the pressing part 514 is rotated. In addition, the pressing part 514 may protrude downward from the door 200 to be exposed, and when the pressing part 514 is pressed, the operation member 511 is disposed inside the operation member case 512. It is drawn in while rotating at.

In addition, a support part 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 operation member 511 and is formed to extend 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. Will be able to maintain.

Meanwhile, the latch unit 530 may be provided above the manipulation unit 510 and may be disposed at an approximately central portion of the upper and lower heights of the door. In this case, a latch accommodating portion selectively engaged with the latch member 531 of the latch unit 530 as in the above-described first embodiment may be formed on the main body of the refrigerator or another door corresponding to the latch unit 530. I can.

The latch unit 530 includes a latch member 531 that is latched to a latch receiving portion formed on an object that is latched for fixing the door 200 and 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 to shield.

In detail, the latch case 533 is formed to have front and rear openings, and the front of the latch case 533 is formed to correspond to the opened side of the door liner 220, and may be mounted on the opened side. Is configured to be 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 to expose the locking portion 536 formed in a hook shape to the outside. Accordingly, the restraining part 536 is configured to be fixed to a locking part of the refrigerator main body or another door according to the selective rotation of the latch member 531.

The rotation shaft 535 of the latch member 531 is rotatably mounted on the latch bracket 532, and an elastic member such as a torsion spring is provided on the rotation shaft 535, so that when the latch member 531 rotates, the The latch member 531 is configured to provide an elastic force 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 operation unit 510.

In detail, the connection unit 520 includes a connection member case 522 that forms a space in which the connection member 521 and the connection member 521 are interlocked with the operation member 511 and the latch member 531. ) Can be composed of.

The connecting member 521 is formed in a rod shape having a predetermined length, and the upper end is in contact with the lower surface of the latch member 531, and the lower end is configured to contact the support part 515 of the operation member 511. In addition, the lower part of the connection member 521 is bent so that the lower end can contact 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 able to move.

The connecting 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 operating member case 512. In addition, the connecting member case 522 forms a space therein, so that when the connecting member 521 is mounted on the door liner 220, the connecting member 521 may be accommodated so as to move up and down inside, and the door 200 When the heat insulating material is injected into the interior, the heat insulating material is blocked from flowing into the connection member case 522.

On the other hand, looking at 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 connecting member 521 so that the latch member 531 and the counterpart are selectively locked and locked, so that the door 200 can be kept open or closed. 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 capable of opening and closing are provided on the refrigerating compartment door and the freezing compartment door, respectively, and a door opening/closing assembly is provided on each of these additional doors.

In a refrigerator according to another embodiment of the present invention, there is only a difference between the structure of the door and the mounting position of the door opening/closing assembly, but all other configurations are the same, and in order to prevent duplicate descriptions of these same configurations Symbols are used and detailed descriptions thereof are 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 drawings, in the refrigerator 1 according to the third embodiment of the present invention, a freezing chamber 11 and a refrigerating chamber 12 divided into left and right sides are formed in the cabinet 10. In addition, the cabinet 10 is provided with a freezing compartment door 20 and a refrigerating compartment door 30 for opening and closing the freezing compartment 11 and the freezing compartment 11 respectively by rotation.

Further, 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 formed to be recessed inward so that the user can hold the refrigerating compartment door 30 and the freezing compartment door 20 to open and close the user.

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, and storage devices accessible to the openings are provided, respectively, and the storage The device is formed above the grip portion 33. Further, the freezing compartment door 20 and the refrigerating compartment door 30 have a first sub-door 200 and a first sub-door 200 for opening and closing the opened front of each of the storage devices formed in the freezing compartment door 20 and the refrigerating compartment door 30. 2 The sub-door 600 is provided.

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

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

In detail, the operating members 415 and 610 of each door opening/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 is located in the adjacent corners.

That is, the operation members (415, 610) are at the bottom of the first sub-door 200 and the second sub-door 600, respectively, the rotation axis of each of the first sub-door 200 and the second sub-door 600 It is provided at an end of a distant position to facilitate operation of the operation members 415 and 610 and is disposed to rotate the first sub-door 200 and the second sub-door 600 at the same time.

In addition, since the operation members 415 and 610 are disposed adjacent to each other, the user can more easily operate the first and second sub-doors 200 and 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, an additional door capable of opening and closing is provided in at least one of the refrigerating compartment door and the freezing compartment door, respectively, and a door opening/closing assembly is provided in each of these additional doors. To do.

In a refrigerator according to another embodiment of the present invention, there is only a difference between the structure of the door and the mounting position of the door opening/closing assembly, but all other configurations are the same, and in order to prevent duplicate descriptions of these same configurations Symbols are used and detailed descriptions thereof are omitted.

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 of the refrigerator in which the sub-door is opened.

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

Further, 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 formed to be recessed inward so that the user can hold the refrigerating compartment door 30 and the freezing compartment door 20 to open and close the user.

The refrigerating compartment door 30 is provided with a storage device 31 with an open front side, and the storage device is formed above and below the grip part 33, respectively. Further, 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.

Fronts of the first sub-door 200 and the third sub-door 300 are located on the same plane and have the same plane as the front of the freezing compartment door 20, and are formed to 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 first embodiment, detailed descriptions thereof will be omitted.

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

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

That is, the operation members 310 and 415 are provided at the lower and upper ends of the first sub-door 200 and the third sub-door 300, respectively, and are provided at an end of a position far from the rotation axis, respectively, and the operation members 310 and 415 ), as well as the first sub-door 200 and the third sub-door 300 are arranged to be rotated 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 and third sub-doors 200 and 300.

On the other hand, although not shown, the third and fourth embodiments are combined so that a pair of additional sub-doors can be opened and closed on the refrigerating compartment door and the freezing compartment door, respectively, and each door opening/closing assembly is provided on these doors. It is provided, but each is located at the end of each door located in the area of the grip, and may be disposed at a position far from the rotation axis of each door.

Claims (18)

A cabinet in which a storage space is formed;
A main door rotating with respect to the cabinet and having an opening to open and close the storage space;
A sub door rotating in the same direction as the main door to open and close the opening;
The sub door,
An outer case forming the front surface of the sub-door,
A door liner forming a rear surface of the sub-door,
The cap deco that is coupled to the bottom of the outer case and the bottom of the door liner to form the bottom of the sub-door,
And a heat insulating material foamed in the space formed by the outer case and the door liner and the cap decor;
An operating member provided at the lower end of the sub-door and operated by a user;
A latch member provided in the sub-door, protruding toward the main door at a position spaced upward from the operation member, and selectively constrained to the main door;
A connecting member connecting the operation member and the latch member and allowing the latch member to operate according to the operation of the operation member; And
And a connection member case provided inside the sub-door to form an accommodation space for accommodating the connection member, and to block the inflow of the heat insulating material,
The connecting member is operated in the receiving space of the connecting member case so that the operation member and the latch member are interlocked.
The method of claim 1,
In the sub door,
An operating member case forming a space for accommodating the operating member;
A refrigerator provided with a latch member case provided on an opened side of the door liner and providing a space for accommodating the latch member.
The method of claim 2,
The upper end of the connecting member case is connected to the latch member case, and the lower end of the connecting member case is connected to the operating member case.
The method of claim 1,
The connecting member case is fixedly mounted to the door liner.
The method of claim 1,
The operation member is rotatably mounted on the capdeco, and the refrigerator is rotated by a user.
The method of claim 1,
It is provided at the lower end of the sub-door, and is provided with an operating member case for forming an accommodation space for the operating member,
A refrigerator in which the operating member is rotatably mounted to the operating member case.
The method of claim 1,
The latch member protrudes to the rear of the door liner.
The method of claim 7,
A refrigerator having a hook-shaped restraint portion formed at a protruding end of the latch member.
The method of claim 8,
A refrigerator having a latch accommodating portion into which the latch member is inserted when the sub-door is closed in the main door corresponding to the latch member.
The method of claim 9,
A locking part is formed inside the latch receiving part,
The restraint part is selectively restrained and released from the restraining part according to the rotation of the latch member.
The method of claim 1,
The latch member,
A shaft coupling portion axially coupled to the inner side of the sub door,
Refrigerator including an elastic member support portion extending from the shaft coupling portion and supporting an elastic member to provide an elastic force to maintain the latch member in a restrained state.
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