KR20060132392A - Refrigerator - Google Patents

Abstract

A refrigerator is provided to reduce the manufacturing cost of the refrigerator by automatically shutting a plurality of doors by using one door shutting device having shutting units inducing shut of each door, and prevent a shut deviation between a lower part of a first door and an upper part of a second door. A main body(10) of a refrigerator has an upper first storage compartment(11) and a lower second storage compartment(12). A first door(14) opens and shuts the first storage compartment. A second door(15) opens and shuts the second storage compartment. An integrated door shutting device(20) is installed at the main body, having a first shutting unit inducing shut of the first door and a second shutting unit inducing shut of the second door. A first fixing part is formed at the first door to be fixed by the first shutting unit. A second fixing part is formed at the second door to be fixed by the second shutting unit.

Description

Refrigerator {REFRIGERATOR}

1 is an exploded perspective view showing the configuration of a refrigerator according to the present invention.

FIG. 2 is a detailed view of portion “II” of FIG. 1.

3 is an exploded perspective view showing the configuration of a refrigerator door closing device according to the present invention.

Figure 4 shows the operation of the first closing portion of the door closing device when the first door of the refrigerator according to the present invention.

5 is a view illustrating an operation of the second closing part of the door closing device when the second door of the refrigerator according to the present invention is closed.

Explanation of symbols on the main parts of the drawings

10: main body, 11: first storage room,

12: second storage room, 13: middle wall,

14: first door, 15: second door,

20: door closing device, 21: body,

22: first mounting groove, 23: second mounting groove,

30: first closing part, 31: first receding member,

32: first guide surface, 33: first spring,

40: second closing part, 41: second retreating member,

42: second guide surface, 43: third spring,

51: first locking portion, 52: second locking portion.

The present invention relates to a refrigerator, and more particularly to a refrigerator having a door closing device for automatically closing the door.

A typical refrigerator includes a freezer compartment at an upper portion and a refrigerator compartment at a lower side of each other, and includes a freezer compartment door and a refrigerator compartment door that open and close the freezer compartment and the refrigerator compartment, respectively. In addition, the freezing chamber door and the refrigerating chamber door are supported by hinge devices installed in the front part of the main body so as to rotate and open and rotate respectively.

However, such a refrigerator may leak cold air into a gap between the door and the front surface of the main body if the refrigerator is not completely closed in the process of closing the door. Therefore, in the related art, a method of installing the door closing device as in the example disclosed in Korean Laid-Open Patent Publication No. 1999-34855 has been proposed to allow the door to be automatically closed when the door is almost closed. The door closing device has a locking part installed at the bottom of the door to rotate together with the door, and a concave groove formed in the hinge plate side of the main body to induce the entry of the locking part when the door is closed so that the door can be automatically closed.

However, such a door closing device is to close only one door, and when applied to a refrigerator having a plurality of doors, because the door closing device must be installed separately for each door, it could be a cause of raising the refrigerator manufacturing cost, It could be a cause that complicates the manufacturing process of the refrigerator.

In addition, when the door closing device is applied to a refrigerator having an upper door and a lower door, it may cause a closing deviation between an upper door lower part and a lower door upper part. That is, since the door closing device is installed in the lower part of the upper door and the lower part of the lower door, the lower side of the upper door was closed more than the upper side, and the lower side of the lower door could also be closed more than the upper side. Therefore, due to the problem that the upper part of the lower door is slightly less closed than the lower part of the upper door, a closing deviation (step) may occur between the lower part of the upper door and the upper part of the lower door.

The present invention is to solve these problems, an object of the present invention is to provide a refrigerator to realize the automatic closing of the upper door and the lower door through one door closing device.

Another object of the present invention is to provide a refrigerator capable of minimizing a closing deviation between adjacent doors.

According to an embodiment of the present invention, a refrigerator includes a main body having an upper first storage compartment and a lower second storage compartment, a first door that opens and closes the first storage compartment, and a second door that opens and closes the second storage compartment. And an integrated door closing device installed on the main body and having a first closing part for inducing the closing of the first door and a second closing part for inducing the closing of the second door.

The present invention may further include a first catching portion provided in the first door to catch the first closing portion, and a second catching portion provided in the second door to catch the second closing portion. do.

In addition, the door closing device includes a body fixed to the front of the body, and the first and second mounting grooves formed on opposite sides of the body for mounting the first and the second closing portion, respectively, A closing part is installed in the first mounting groove so as to move forward and backward in a lateral direction, and a first retraction member having a first guide surface of a mountain shape formed at the distal end thereof in contact with the first locking part, and pressing the first retraction member to the outside of the body. And a first spring installed in the first mounting groove so that the second closing portion is installed in the second mounting groove so as to advance and retreat in the lateral direction, and a second guide surface of the mountain type in contact with the second locking portion at the tip thereof. And a second spring formed in the second mounting groove so as to press the formed second retraction member and the second retraction member to the outside of the body.

The first and second guide surfaces may include a slide guide surface for pushing the first and second retracting members toward the inner side of the body when the first and second doors are closed, and the first and second retracting members It characterized in that it comprises a closing guide surface for pressing in the direction of closing the first and second door when protruding out of the body, respectively.

In addition, the first and second guide grooves respectively formed in the first and second mounting grooves to limit the range of advancement of the first and second retracting members, and the first and second guide grooves to enter the first and second guide grooves, respectively. And further comprising first and second guide protrusions respectively protruding from the second retraction member.

In addition, the door closing device is characterized in that it is installed on the front of the intermediate wall partitioning the first storage chamber and the second storage chamber.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the refrigerator according to the present invention includes a main body 10 having an upper first storage compartment 11 and a lower second storage compartment 12 divided by an intermediate wall 13. . In addition, the first door 14 is coupled to the main body 10 to open and close the open front of the first storage chamber 11, the first coupled to the main body 10 to open and close the open front of the second storage chamber 12 Two doors 15 are provided. Although not shown in the drawing, a cooling device for cooling the storage compartments 11 and 12 and a cold air supply device for supplying cold air to each storage compartment are installed inside the main body 10.

The first door 14 and the second door 15 are rotatably coupled to each other through the upper hinge 16, the middle hinge 18, and the lower hinge 19 installed on the main body 10, respectively. The upper hinge 16 includes an upper bracket 16a fixed to an upper surface of the main body 10, and a first hinge pin 16b protruding downwardly from the upper bracket 16a. An intermediate bracket (17a) is fixed to the front of the 10, and the second and third hinge pins (17b, 17c) protruding upward and downward from the intermediate bracket (17a), respectively. The lower hinge 18 includes a lower bracket 18a fixed to the lower front side of the main body 10 and a fourth hinge pin 18b protruding upward from the lower bracket 18a.

In addition, the first door 14 is a first hinge hole formed in each of the upper and lower sides of the first hinge pin 16a of the upper hinge 16 and the second hinge pin 17b of the intermediate hinge 17, respectively. 14a and the second hinge hole 14b, the second door 15 is the third hinge pin 17c of the intermediate hinge 17 and the fourth hinge pin 18b of the lower hinge 18 and It is provided with a third hinge hole (15a) and a fourth hinge hole (15b) respectively formed on one side of the upper and lower to be coupled.

In addition, the present invention is a door closing device for allowing the first and second doors (14, 15) to automatically close when the first door 14 and the second door (15) closes almost close. 20). The door closing device 20 is installed on the front surface of the intermediate wall 13 between the first storage chamber 11 and the second storage chamber 12, and the second and third hinge pins 17b of the intermediate hinge 17, 17c) and a predetermined spaced apart position.

2 and 3, the door closing device 20 is fixed to the intermediate bracket 17a of the intermediate hinge 17, and the first mounting groove 22 and the second mounting groove 23 on opposite sides thereof. ) Is formed in the body 21, the first closing portion 30 which is installed in the first mounting groove 22 of the body 21 to induce the closing of the first door 14, the second door A second closing portion 40 installed in the second mounting groove 23 of the body 21 to induce the closing of the (15), and a cover 27 covering the upper portion of the body (21). In addition, as shown in FIG. 1, the first door 14 may be automatically closed of the first door 14 by being locked in correspondence with the first closing part 30 of the door closing device 20. The second door 15 is configured to automatically close the second door 15 by locking the first locking part 51 protruding from the lower end of the door and the second closing part 40 of the door closing device 20. And a second locking portion 52 protruding from the upper end of 15).

As shown in FIG. 3, the first closing part 30 of the door closing device 20 is installed in the first mounting groove 22 to advance and retreat in the transverse direction crossing the opening and closing direction of the first door 14. The body 21 has a first retracting member 31 and a first retracting member 31 having a first guide surface 32 of a mountain shape in contact with the first catching portion 51 of the first door 14. The first spring 33 is installed in the first mounting groove 22 to press in the outward direction of the.

The second closing portion 40 is installed in the second mounting groove 23 so as to advance and retreat in the transverse direction crossing the opening and closing direction of the second door 15, and the second locking portion of the second door 15 at the front end thereof ( 52 is provided in the second mounting groove 23 in which the second retracting member 41 having the mountain-shaped second guide surface 42 in contact with the 52 and the second retracting member 41 are pressed outwardly of the body 21. And a second spring 43 to be formed.

The first spring 33 and the second spring 43 press the first retracting member 31 and the second retracting member 41 in opposite directions, respectively, so that the first guide surface 32 of the first retracting member 31. And the second guide surface 42 of the second retraction member 41 protrudes outward from both sides of the body 21. In addition, the first mounting groove 22 and the second mounting groove 23 are formed long in the advancing direction of the first and second retracting members 31 and 41 to guide the retreat in the state of receiving them.

In addition, in the first mounting groove 22 and the second mounting groove 23, the first and second retracting members 31 and 41 may limit the range of the first and second retracting members 31 and 41. The first guide groove 24 and the second guide groove 25 formed in the advancing direction of the first and second guide grooves (24, 25) are formed, respectively, and the first and second guide grooves (24, 25) The first guide protrusion 34 and the second guide protrusion 44 are respectively formed.

The first and second guide surfaces 32 and 42 formed at the front ends of the first and second retracting members 31 and 41 are formed when the first and second retracting members 14 and 15 are closed. 31 and 41, the slide guide surfaces 32a and 42a are formed to be inclined so as to be pushed by the first and second catching portions 51 and 52 in a predetermined direction in the inward direction of the body 21, and the first and second receding members. When the 31 and 41 protrude outward of the body 21, the first and second catching portions 51 and 52 are inclined in a direction different from the slide guide surfaces 32a and 42a so as to press the door in the direction in which the door is closed. And formed closing guide surfaces 32b and 42b, respectively.

Next, the operation of the door closing device of the refrigerator will be described.

When closing the upper first door 14, as shown in Fig. 4, the first door 14 is closed at a predetermined angle so that the first locking portion 51 of the first door 14 is positioned at the position "A". As soon as the first catching portion 51 comes into contact with the slide guide surface 32a of the first retreating member 31. When the door is further closed in this state, the first retraction member 31 enters the inside of the first mounting groove 22 by the first locking portion 51. When the first catching portion 51 reaches the position of "B", the first catching portion 51 is pushed in the closing direction while contacting the closing guide surface 32b of the first retreating member 31. That is, since the first retraction member 31 protrudes to the outside of the body 21 by the elastic force of the first spring 33 even if the user does not close the door from this time, the first catching portion 51 closes the guide surface 32b. Move to position "C". Thus, the first door 14 is automatically closed.

When the user opens the first door 14 while the first door 14 is closed, since the first catching part 51 moves from the "C" position to the "B" position, the first retracting member 31 is again. Enter the first mounting groove (22). When the first door 14 is further opened, the first retracting member 31 protrudes outward again by the elasticity of the first spring ring 33.

When the lower second door 15 is closed, as shown in FIG. 5, the second door 15 is closed at a predetermined angle so that the second locking portion 52 of the second door 15 is positioned at the position "D". In this case, the second catching portion 52 is in contact with the slide guide surface 42a of the second retreating member 41. When the door is further closed in this state, the second retraction member 41 enters the inside of the second mounting groove 23 by the second locking portion 52. When the second catching portion 52 reaches the position of "E", the second catching portion 52 is pushed in the closing direction while contacting the closing guide surface 42b of the second retreating member 41. That is, since the second retracting member 41 protrudes out of the body 21 by the elastic force of the second spring 43 even if the user does not close the door, the second catching portion 52 closes the guide surface 42b. Is pushed to the position of "F". Thus, the second door 15 is automatically closed.

When the user opens the second door 15 while the second door 15 is closed, since the second locking portion 52 moves from the "F" position to the "E" position, the second retraction member 41 is again. Enter into the second mounting groove (23). When the second door 15 is further opened, the second retreating member 41 protrudes outward again by the elasticity of the second spring 43.

Thus, the present invention is the first door 14 of the upper portion is closed by the action of the first closing portion 30 of the closing guide device 20, the second door 15 is the second closing portion of the closing guide device 20 Since the door 40 is closed by the action of 40, the doors 14 and 15 are automatically closed when the doors 14 and 15 are closed.

In the state where the first door 14 and the second door 15 are completely closed, the first catching part 51 at the lower end of the first door 14 is supported by the first retreating member 31, and the second door ( 15) Since the second locking portion 52 at the upper end is supported by the second retraction member 41, there is almost no closing deviation between the lower portion of the first door 14 and the upper portion of the second door 15. That is, in the state in which the doors 14 and 15 are closed, the height difference between the outer surface of the first door 14 and the outer surface of the second door 15 cannot be visually identified, thereby providing a beautiful appearance.

As described in detail above, the refrigerator according to the present invention has a single door closing device because the door closing device includes a first closing part for inducing the closing of the first door and a second closing part for inducing the closing of the second door. Just by installing it has the effect of implementing the automatic closing of the plurality of doors. Therefore, there is an effect that can reduce the manufacturing cost of the refrigerator compared to the conventional.

In the refrigerator according to the present invention, since the door closing device is installed on the front surface of the middle wall between the lower part of the first door and the upper part of the second door, the refrigerator closes the first door and the second door so that the first door and the second door have almost the same closing force. There is almost no closing deviation between the upper two doors, which has the effect of providing a beautiful front appearance.

Claims (6)

A main body having an upper first storage chamber and a lower second storage chamber, a first door for opening and closing the first storage chamber, a second door for opening and closing the second storage chamber, and a second door installed in the main body. And an integrated door closing device having a first closing part for inducing a closing and a second closing part for inducing a closing of the second door. The method of claim 1, And a first catching part provided in the first door to catch the first closing part, and a second catching part provided in the second door to catch the second closing part. The method of claim 2, The door closing device includes a body fixed to the front of the main body, and the first and second mounting grooves formed on opposite sides of the body for mounting the first and second closing parts, respectively, The first closing member is installed in the first mounting groove so as to advance and retreat in the lateral direction, and a first retraction member having a first guide surface of a mountain shape formed at the front end thereof in contact with the first locking portion, and the first retraction member of the body. A first spring is installed in the first mounting groove to press outward, The second closing part is installed in the second mounting groove so as to advance and retreat in the lateral direction, and a second retraction member having a second guide surface of a mountain shape formed in contact with the second locking portion at its tip, and the second retraction member of the body. And a second spring installed in the second mounting groove to press outwardly. The method of claim 3, The first and second guide surfaces may include a slide guide surface for pushing the first and second retracting members toward the inner side of the body when the first and second doors are closed, and the first and second retracting members may include the first and second retracting members. And a closing guide surface that presses the first and second doors in a closing direction when protruding outward from the body. The method of claim 3, First and second guide grooves respectively formed in the first and second mounting grooves to limit the range of advancement of the first and second retracting members, and the first and second guide grooves to enter the first and second guide grooves, respectively. The refrigerator further comprises first and second guide protrusions respectively protruding from the retraction member. The method according to claim 1 or 4, The door closing device is a refrigerator, characterized in that installed on the front of the middle wall partitioning the first storage compartment and the second storage compartment.

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