KR101531514B1 - A refrigerator comprising a device for opening a door - Google Patents

Abstract

The present invention relates to a refrigerator including a door opening device. More particularly, the present invention relates to a refrigerator in which door opening is facilitated by bidirectional rotation of a door handle, and the returned door handle can be quickly returned.

The present invention for providing such a refrigerator includes a main body having a storage chamber; A door connected to the main body and opening / closing the storage chamber; A door handle rotatably mounted on the door; A door opening device that is fixed to the door handle and separates the door from the main body when the door handle rotates; and a restoration unit that restores the door handle that is provided in the door opening device and is rotated.

Door opening device, door handle holder, engaging portion, restoring unit, restoring spring unit

Description

[0001] The present invention relates to a refrigerator comprising a door opening device,

The present invention relates to a refrigerator including a door opening device. More particularly, the door of the refrigerator can be easily opened even with a small force, and even if the door handle is pulled in any direction, And the door handle can be easily returned to the refrigerator.

A refrigerator is a device for storing a stored product at a low temperature so that the freshness of a predetermined stored product can be maintained for a long time by using a refrigerant cycle.

The refrigerator includes a main body having a storage compartment in which a stored product is stored, and a door coupled to one side of the refrigerator main body to pivotally open and close the storage compartment.

A gasket and a magnet for sealing the space between the storage compartment and the door are provided in the vicinity of the rear edge of the door, and a handle is provided on the front surface of the door in a vertical direction. When the user holds the handle and pulls it, the door rotates forward to open the storage compartment .

When the refrigerator having such a configuration is driven, the air inside the storage compartment is cooled while performing a heat exchange function by the refrigerant cycle provided in the refrigerator, and the pressure inside the storage compartment becomes lower than atmospheric pressure as the air in the storage compartment is cooled and shrunk .

In this state, when the user pulls the handle to open the door, the gasket having elasticity is firstly increased due to the magnetic force of the magnet closely contacting the main body and the door at the opening moment and the air pressure difference between the storage chamber and the outside air, The gasket is separated from the main body so that the door can be opened.

That is, the storage chamber is kept at a low pressure state due to the contraction of the air, and the gasket is closely attached to the entire surface of the main body. Therefore, when opening the door of the conventional refrigerator, much force is required.

Further, in the case of opening the door, the handle has to be pulled in the opening direction of the door. However, there is a problem that it is difficult to open the door in the case where the user is located opposite to the turning direction of the door.

It is an object of the present invention to provide a refrigerator which can easily open a door even with a small force when opening the door of the refrigerator.

It is another object of the present invention to improve the convenience of the user by allowing the user to open the door even if the user rotates the door in the direction of rotation of the door, and to open the door even if the door is rotated in the direction opposite to the direction of rotation of the door.

Another object of the present invention is to provide a refrigerator in which the handle can smoothly return to its original position even if the handle is rotated in either direction.

In order to accomplish the above object, the present invention provides a refrigerator comprising: a main body 10 having a storage chamber; A door (20) connected to the main body and opening / closing the storage chamber; A door handle (30) rotatably provided on the door; A door opening device 100 or 200 fixed to the door handle 30 to separate the door 20 from the main body 10 when the door handle 30 rotates, And a restoration unit 400 capable of restoring the door handle 30 to its original state.

The door opening devices 100 and 200 are disposed on the upper and lower surfaces of the door 20 so that the door handle 30 is coupled to the door 20. When the door handle 30 rotates in both directions, A second door opening device 200 protruding from an extension line of the door 20 so as to separate the main body 10 from the door 20 and a second door opening device 200 installed on the upper surface of the door 20, A first door opening device 100 supporting the door handle 30 and a restoring unit 400 inserted into the second door opening device 200 and the first door opening device 100, .

The restoring unit 400 includes a box-shaped body 410 having one side opened to form a housing, an elastic member 420 disposed on both inner sides of the body 410, A rotary shaft 430 installed to be rotatably coupled to the body 410 and one end of the rotary shaft 430 interposed in the longitudinal direction of the rotary shaft 430, And a top cover 440 fixed to the body 410.

The pivot shaft 430 is provided with at least one support piece 433 on the side surface in the longitudinal direction and a coupling part 431 provided at one end in the longitudinal direction of the pivot shaft 430 to be engaged with the door opening device. A first cap 432 disposed around the coupling portion 431 and supporting the lower surface of the through hole formed in the top cover 440 and a second cap 432 disposed around the other end of the coupling portion 431, And a second cap 435 for supporting the portion 410.

The coupling portion 431 is coupled to the upper end of the top cover 440 so as to protrude from the through hole. The protruding coupling portion 431 is formed in a non-circular shape so as to be coupled with the door opening device, .

The elastic member 420 includes a body portion 422 fixed to the inner side of the body 410 and fixed to the body portion 422 at both ends of the body portion 422, And a shrinkage hole 421 extending in the longitudinal direction of the protrusion piece 423 so that one side of the protrusion piece 423 can contract when the support piece 433 is rotated and compressed .

The body 410 may further include a protrusion hole 411 coupled to the pivot shaft 430 so as to be rotatable.

The support pieces 433 are preferably arranged to move relative to the elastic members 420 in the rotation direction of the support pieces 433 from the joint surfaces when the door handle 30 rotates.

The elastic member 420 is a synthetic rubber.

The elastic member 420 may further include compressible springs 521 and 621 that are in contact with the support pieces 433.

The first door opening device 100 includes a first door handle holder 110 provided on an upper surface of the door and coupled to the handle 30 and a second door handle holder 110 formed on the upper surface of the first door handle holder 110, A first cover member 190 covering the holder 110 and a second cover member 190 coupled to the first cover member 190 and the first door handle holder 110 in a rotatable manner and capable of restoring the handle 30 It is preferable to include a restoration unit (400).

The first door opening device 100 is provided with a first support hole 113 through which the recovery unit 400 is inserted and fixed. On the upper surface of the door 20, It is preferable that a first guide groove 300 guiding an angle at which the first cover member 190 and the first door handle holder 110 coupled to the first door handle holder 110 are rotated in both directions in accordance with the rotation of the handle 30 Do.

The second door opening device 200 includes a second door handle holder 210 provided on a lower surface of the door 20 and coupled to the handle 30, A second cover member 290 coupled to the other side of the second door handle holder 210 in the door direction and covering the second door handle holder 210, .

A support leg 230 provided on the second door handle holder 210 and extending in the direction of the main body 10; And a roller unit 233 rotatably provided at an end of the support leg 230 to be able to contact the main body.

The support leg 230 extends laterally in the door handle 30 and the roller 233 is rotatably installed at both ends of the support leg 230.

The second door opening device 200 is formed with a second support hole 213 to which the recovery unit 400 is inserted and fixed. The second cover member 290 and the second door handle holder 210 are coupled to each other so as to guide the angle at which the second door handle holder 210 is rotated in both directions in accordance with the rotation of the handle 30, It is preferable that the second guide groove 350 be disposed.

A main body 10 having a storage chamber; A door 20 connected to the main body 10 to open and close the storage chamber 5; A door handle (30) rotatably provided on the door (20); (100, 200) fixed to the door handle (30) and separating the door (20) from the main body (10) when the door handle (30) rotates, And a restoring spring unit (500, 600) for performing a relative movement with the door handle (30) so that the pushed door handle (30) can be restored to its original state.

The restoring spring unit 500 includes a body 510 forming an outer shape; A pivot shaft 530 rotatably coupled to the inside of the body 510; And a spring piece for receiving a restoring force while being in contact with the turning radius of the rotary shaft 530.

The spring piece (520) is fixed at an angle close to the turning radius on both inner surfaces of the body part (510) and a housing (522). A spring 521 which is stretched in the longitudinal direction in the housing 522 and a spring 521 which is formed at the opening side with a bent portion 523 and which prevents the spring 521 from coming off And a housing cap which is supported by the bent portion 523 and is in contact with the rotation shaft 530. [

The pivot shaft 530 is coupled to the door opening devices 100 and 200 by forming a coupling part 531 in the shape of a long hole at one end in the longitudinal direction, It is preferable that a plurality of support pieces 533 supported to be relatively movable are formed.

The supporting piece 533 of the pivot shaft 530 is supported on the outer side of the bent portion 523 where the housing cap 525 is disposed when the door opening devices 100 and 200 are rotated, The rotation of the rotary shaft 530 is limited.

The pivot shaft 530 may further include a rubber damper 534 capable of flexibly responding to a contraction angle of the housing cap 525 according to a rotation angle.

The door opening devices 100 and 200 include a first door opening device 100 fixed to both ends of the door handle 30 so as to be rotatable on the door 20, And a second door opening device 200 capable of opening the door.

The door opening devices 100 and 200 installed on the upper surface or the lower surface of the door 20 include a door handle 30 holder and at least one of the door handle 30 holders 30, A support leg 230 extending in the direction of the body; And a roller portion 333 provided at an end of the support leg portion 230 and in rolling contact with the main body.

It is preferable that a restoring unit 400 for supporting the operation of the second door opening device 200 and returning the door handle 30 to a state before the rotation is disposed.

According to the present invention having such a configuration, when the door of the refrigerator is opened, there is an advantage that it can be opened without applying a large force. Further, when the refrigerator is opened, the handle of the door is returned to its original position by using the elastic force. By arranging the elastic members at positions corresponding to each other, the handle can be effectively restored.

In addition, the structure of the recovery unit is simple and easy to assemble, thereby improving the productivity and economy.

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

1 shows a front view of a refrigerator according to the present invention.

1, a refrigerator according to the present invention includes a main body 10 having a storage chamber 5 for storing a stored product, and a main body 10 rotatable on both sides of the main body 10 to open and close the storage chamber 5. [ (Not shown).

Here, the door 20 according to the present invention discloses a side door type refrigerator which opens the storage room 5 on both sides, but the present invention is not limited to this configuration and can be applied to a refrigerator having a door that is rotated.

A door handle 30 is provided on the front side of the door 20 so that the door handle 30 can be held by a user to open the door 20. The door handle 30 is vertically arranged in the vertical direction of the door And is separated from the front portion of the door 20 by a predetermined distance.

The door 20 is coupled by a hinge device 40 and the hinge device 40 rotatably supports the door 20 so that the door 20 rotates while the door 20 is rotated. Can be opened and closed.

The handle 30 is pivotally movable in the left and right directions and the upper and lower surfaces of the door handle 30 are coupled to the free end hinge unit 40 of the door 20 when the handle 30 is rotated. A first door opening device 100 and a second door opening device for separating the opposite side of the door 20 from the main body 10 are provided.

2 shows a state in which the door 20 and the handle 30 are connected to each other by the first door opening device 100 which connects the upper portion of the handle 30 to the door 20 and supports the door.

One end of the first door opening device 100 is coupled to the upper portion of the handle 30 and the other end of the first door opening device 100 is rotatably installed on the upper portion of the door so that the rotation of the handle 30 is smoothly performed .

At this time, the first guide grooves 300 and 300 are formed in the upper portion of the door 20 so that the first door opening and closing device 100 is accommodated. In the first guide grooves 300 and 300, The side walls are formed so that the first door opening devices 100 and 100 can rotate only within a predetermined range.

3 shows the first door opening device 100 coupled to the lower surface of the door 20. Referring to FIG.

As shown in FIG. 3, a second guide groove 350 is formed on the lower surface of the door 20 so that the second door opening device 200 is rotatably positioned.

The side walls of the second guide groove 350 are rounded to guide the rotation of the second door opening device 200 when the second door opening device 200 rotates.

A portion of the second door opening device 200 protruding forward is connected to a lower portion of the handle 30 to transmit the motion of the handle 30 to the second door opening device 200 And a second door handle holder 210.

The second door handle holder 210 is partially rounded in a shape corresponding to the side wall of the second guide groove 350 so as to smoothly move along the side wall of the second guide groove 350, .

Accordingly, when the user grasps the door handle 30 and rotates, the second door handle holder 210 moves along the rounded side wall of the second guide groove 350, Thereby causing movement of the support leg 230, which will be described later, to separate the door from the main body.

Meanwhile, the second door handle holder 210 is covered by a second cover member 290 that prevents the second door opening device 200 from coming off.

A support leg 230 is provided at a portion of the second door opening device 200 close to the main body 10 to be in contact with the front surface of the main body 10, And a roller portion 233 which is in rolling contact with the front surface of the main body 10 is formed at an end of each of the first and second support legs 231 and 232. The first and second support legs 231 and 232 extend to both sides, .

4 is an exploded perspective view of the restoration unit 400 installed in the door.

As shown in FIG. 4, the body unit 410 having a box-shaped opening at one side thereof forms a housing, and the top cover 440 is fixedly coupled with a screw at the opening side.

An elastic member 420 is closely attached to both sides of the inside of the body 410. The elastic member 420 includes a body portion 422 and a body portion 422 which are in close contact with the inner surface of the body portion 410 and a shrinkage hole 422 in the direction of the other elastic member 420 at both ends of the body portion 422, 421 are formed. When a compressive force is generated in the direction of the internal shrinkage hole 421, the protruding piece 423 is formed such that one surface of the protruding piece 423, which generates a compressive force, is contracted and deformed. The protruding piece 423 stores a repulsive force corresponding to the compressive force and returns to its original state when the compressive force is released.

The shrinkage hole 421 provided in the elastic member 420 is arranged to be constant in the radius of rotation of the pivot shaft 430 coupled to the protrusion hole 411 formed in the bottom of the body 410.

The pivot shaft 430 is disposed such that a first cap 432 surrounds the pivot shaft 430 on the upper side in the longitudinal direction and a support piece 433 is provided on both sides of the bottom surface of the first cap 432 And the shape of the pivot shaft 430 may be one end face in a substantially cross shape.

When the rotary shaft 430 rotates, the supporting piece 433 compresses and rotates the protruding piece 423 of the elastic member 420. At this time, the protruding piece 423 is positioned in a diagonal direction So that the respective shrinkage holes 421 are compressed and distorted. When the rotating force is released, the compressed protruding piece 423 restores the rotating shaft 430 to its original position, and the shape of the shrinkage hole 421 also returns to the circular shrinkage hole 421 , The supporting piece 433 and the protruding piece 423 are kept in contact with each other.

A second cap 435 is disposed on the other side of the first cap 432 in the longitudinal direction of the pivot shaft 430 so as to surround the pivot shaft 430, (411).

A coupling part 431 is formed at the upper end of the first cap 432 disposed on the pivot shaft 430. The coupling part 431 is formed on the top cover 440 fixed to the body part 410 Penetrating groove 441 so as to be rotatable.

It is preferable that the engaging portion 431 coupled to protrude from the through groove 441 of the top cover 440 is provided in a non-circular shape so as to be able to transmit a rotational force by being engaged with the door opening devices 100 and 200.

In other words, the door opening devices 100 and 200 are coupled to the coupling part 431 protruding from the top surface of the top cover 440 while the body part 410 and the top cover 440 are coupled by screws, And is counter-bored and fixed inside the upper surface of the top cover 440 so as not to interfere. At this time, the support piece 433 of the pivot shaft 430 provided therein is disposed to face the elastic member 420 and is rotated by the first and second caps 432 and 435 so as to reduce frictional force and noise.

5 is a plan view showing a state in which the exploded perspective view of FIG. 4 is combined.

5, the elastic member 420 is accommodated in the body 410 of the restoration unit 400. When the rotation axis 430 is pivoted, the elastic member 420 is pushed or released from the elastic member 420 So that it is in close contact with the inner surface of the body 410.

When the external force is not applied to the pivot shaft 430, the protruding piece 423 of the elastic member 420 and the support piece 433 are always in a state of face-to-face contact, It is preferable that the second door handle holder 210 provided at the coupling portion 431 is disposed to open the door.

Although not shown in FIG. 5, the door handle 30 holder is coupled to the top surface of the top cover 440 protruding from the coupling portion 431, so that the door handle 30 is prevented from interfering with the holder. It is preferable that a screw coupled to an end of the top cover 440 is inserted below the top surface of the top cover 440.

6 is an exploded perspective view of the first door opening device 100 installed on the upper surface of the door.

6, the restoring unit 400 is disposed in the first groove 113 by coupling the first door handle holder 110 and the first cover member 190. As shown in FIG. The first door handle holder 110 and the first door handle holder 110 are coupled to each other by a first guide member guiding an angle at which the first cover member 190 and the first door handle holder 110 are rotated in both directions in accordance with the rotation of the handle 30, The groove 300 is disposed.

The first door handle holder 110 has a first support hole 113 formed in a non-circular shape corresponding to the coupling portion 431 and is coupled to the coupling portion 431.

The first door handle holder 110 may be disposed on the upper surface of the first groove part 113 with the engaging part 431 inserted therein.

A first cover member 190 is formed on the upper surface of the first door handle holder 110 coupled to the engaging portion 431 to have a through hole corresponding to the first support hole 113 of the first door handle holder 110 And is tightened to the coupling portion 431 with a screw.

When the door handle 30 fixed to the first door handle holder 110 rotates, the first door handle holder 110 rotates and rotates the rotation shaft 430 installed on the recovery unit 400 And the support pieces 433 formed on the rotation shaft 430 are simultaneously rotated to compress the projecting pieces 423 of the elastic member 420 provided in the recovery unit 400. [

At this time, the constricted hole 421 formed on the inner surface of the protruding piece 423 is in a state of restoring the restoring force in a distorted state by receiving the compressive force.

When the rotational force of the door handle 30 is released, the protruding piece 423 is relaxed and the supporting piece 433 is restored to its original position. Further, the pivot shaft 430 is also restored to the first door handle holder 110 So that the door handle 30 is restored to the position of the rotation.

7 is an exploded perspective view of the second door opening device 200 installed on the lower surface of the door.

7, the second door opening device 200 includes a second door handle holder 210 connected to the door handle 30 and rotatably installed on the door bottom, The second cover member 290 covering the door handle holder 210 is coupled to the coupling portion 431 of the recovery unit 400 and is rotated.

It is preferable that the coupling portion 431 is formed in a non-circular shape, and the non-circular shape is formed in a long hole shape or an elliptical shape and is coupled to the second support hole 213 of the second door handle holder 210 .

If the engaging portion 431 of the pivot shaft 430 and the second support hole 213 of the second door handle holder 210 are formed in a circular shape, the coupling portion 431 and the second support hole The second door handle holder 210 and the second door handle holder 210 may be rotated in the same direction.

The second door opening device 200 is inserted into the door 20 and is rotated so that the recovery unit 400 is inserted into the second groove part 240 provided in the door 20, The door handle holder 210 is rotatably disposed in a second guide groove 350 provided on a lower surface of the door 20.

At this time, when the door opening devices 100 and 200 are rotated, the side walls of the second guide groove 350 are rounded to guide their rotation.

A portion of the door opening device 100 or 200 protruding forward of the door 20 is connected to one end of the handle 30 to transmit the motion of the handle 30 to the door opening devices 100 and 200 .

Therefore, when the user grasps the handle 30, the second door opening device 200 moves along the rounded side wall of the second guide groove 350, Thereby causing the support leg 230 to move so that the door 20 and the main body 10 are separated from each other.

The second door opening device 200 is similar in shape and arrangement to the first door opening device 100, but different in terms of the respective functions and effects.

The second door opening device 200 forms the support leg 230 so that the door 20 is separated from the refrigerator body 10 when the door handle 30 is rotated to open the door 20 .

At this time, although the second door opening device 200 is installed to be rotatable on the upper surface of the second guide groove 350, the restoring unit 400 provided in the second door opening device 200 restricts the rotation angle thereof .

On the other hand, when the first door opening device 100 is pivoted on the upper surface of the door 20, the first door opening device 100 may be provided with a first door opening device 100 provided on the first door opening device 100, The holder 110 is supported in the first guide groove 300 with a limited rotation angle.

In other words, the upper first door opening device 100 restricts the rotation angle of the door handle 30 when the door handle 30 is rotated, increases the restoring force of the door handle 30, The door opening device 200 opens the door 20 by separating the door 20 from the refrigerator main body when the door handle 30 is rotated and moves the door 20 from the restoring unit 400 to the second door opening device 200, and is rotated.

When the elastic deformation of the restoring unit 400 occurs due to the rotation of the door opening devices 100 and 200 as described above, an elastic restoring force is generated due to the characteristic of the elastic member 420 to return to its original state, 100, 200) to the home position.

The second door handle holder 210 is provided with a second support hole 213 into which the pivot shaft 430 of the recovery unit 400 is inserted and is connected to the end surface of the pivot shaft 430, It is preferable that the cross section of the second electrode 213 is formed in a non-circular shape.

Here, it is preferable that the non-circular shape is formed as a long hole shape or an elliptical shape.

If the second support hole 213 and the pivot shaft 430 are formed in a circular shape, the second door handle holder 210 and the pivot shaft 430 may be free from each other, The turning direction of the two door handle holder 210 and the turning direction of the turning shaft 430 can be the same.

9 (a) is a view of the second door opening device 200 installed at a lower portion of the door from the lower portion of the door, FIG. 8 (b) is a view showing the first door opening device 100 installed at the upper portion of the door, As shown in FIG.

9 (a) and 9 (b), when the door handle 30 (30) is not rotated, the first door opening device 100 and the door The supporting piece 433 of the rotating shaft 430 provided in the recovery unit 400 is disposed on the lower surface of the protrusion piece 423 of the elastic member 420, In the state of contact.

The roller unit 233 provided on the second door opening device 200 is also kept in contact with the front surface of the main body.

10 (a) and 10 (b) show that the door handle 30 is rotated to the right with respect to the front surface of the door in a counterclockwise direction with respect to the upper surface of the door, 10 (a) and 10 (b) are rotated in the opposite direction with reference to the upper surface of the door.

In this case, as shown in FIG. 10 (a), when the second door handle holder 210 at the lower portion of the door 20 rotates, the rotation of the second door handle holder 210 coupled to the second door handle holder 210 430 are rotated, and the supporting pieces 433 formed on the rotating shaft 430 are moved.

As the support piece 433 moves, the projecting piece 423 of the elastic member 420 which is in contact with the support piece 433 moves and the shrinkage hole 423 formed in the inside of the projecting piece 423 421 move in the same direction and become distorted.

As the second door handle holder 210 rotates, one roller portion 233 of the roller portion 233 pushes the main body, and the roller portion 233 contacting the main body pushes the main body The door 20 is slowly separated from the main body 10 while rolling in the rotational direction of the door handle holder 210.

At this time, the elastic restoring force of the restoring unit 400 applied to the second door handle holder 210 provided on the lower surface of the door 20 is installed on the lower surface of the door 20 via the door handle 30 And acts on the second door handle holder 210.

10 (a), (b) and 11 (a) and (b), when the door handle 30 is rotated in the pivoting direction, the first door handle The holder 110 is brought into contact with the side wall of the first guide groove 300, thereby restricting the rotation.

The elastic restoring force of the elastic member 420 acts on the first door handle holder 110 installed on the upper surface of the door 20 because the restoring unit 400 on the door 20 is rotated.

FIG. 12 shows another embodiment of the present invention, and FIG. 13 shows a state in which another embodiment of the present invention is rotated.

12 and 13, the restoring spring unit 500 includes a body 510 forming an outer shape and a rotating shaft 530 coupled to the body 510 so as to be rotatable And a top cover 540 covering the body 510. The spring cover 520 is provided so as to generate a restoring force when the rotary shaft 530 is rotated so as to face the rotary shaft 530 at a turning radius during rotation, do.

The spring piece 520 is fixed to the inside of the body 510 on a rotation radius line. A spring 521 stretched in the longitudinal direction in the housing 522 and a bent portion 523 formed at the opening side of the spring piece 520 and provided to prevent the spring 521 from separating from the spring 521. [ And a housing cap 525 for interfacing with the pivot shaft 530.

The pivot shaft 530 is coupled to the door opening devices 100 and 200 by forming a coupling part 536 in the form of a long hole at one end in the lengthwise direction of the coupling part 536, It is preferable that a plurality of support pieces 533 supported to be relatively movable are formed.

At this time, it is preferable that the rotation of the rotary shaft 530 is restricted by the bent portion 523 of the spring piece 520 when the rotary shaft is rotated so that the support piece 533 rotates.

The housing 522 of the spring piece 520 is fixed to the body 510 by inserting the spring 521 and the housing cap 525. The housing 522 of the spring piece 520 is fixed to the body 510 by rotating the rotation shaft 530 in a direction The bent part 523 of the housing and the rotated supporting piece 533 may be in contact with and parallel to each other when the supporting piece 533 is supported by the bent part 523. [

When the rubber damper 534 and the support piece 533 which are provided on the support piece 533 so as to be in constant contact with the housing cap 525 come into contact with the bent portion, the end of the support piece 533 And is spaced apart from the end of the support piece 533 by a predetermined distance so as to be supported by the bent portion 523. [

The rubber damper 534 provided on the support piece 533 and in close contact with the housing cap 525 pushes the housing cap 525 to the inside of the housing 522, The spring 521 is compressed.

Further, another support piece 533 formed on the other side of the support piece 533 with respect to the rotation axis 530 enters the other spring piece 520 with the same compressive force applied thereto.

The compression force is extinguished when the rotational force of the rotation shaft 530 is released. The housing cap 525, which is compressed together with the spring 521 by the elastic force of the spring 521, The rubber damper 534 is pushed and restored.

Of course, when the rotation shaft 530 rotates in the opposite direction, the same compression force and elastic force as those described above are arranged relative to the housing cap 525 to be able to restore the rotation shaft 530 desirable.

FIG. 14 is a view showing still another embodiment of the present invention, and FIG. 15 is a view showing a state in which another embodiment of the present invention is rotated.

As shown in FIGS. 14 and 15, the restoring spring unit 600 is coupled to the supporting piece 633, and is disposed to support the supporting piece 633 from both sides to perform a relative movement with respect to the supporting piece 633.

Further, it is preferable that a guide piece 620 is provided so as to restrict a rotation angle of the support piece 633.

The guide piece 620 is disposed around the center of a shaft to which the pivot shaft 630 is coupled and is disposed adjacent to the pivot shaft 630 so that when the pivot piece 633 is rotated, 620 are formed at an angle corresponding to the rotation angle of the support piece 633 to support the support piece 633. [

At this time, when the rotation shaft 630 rotates, the support piece 633 of the rotation shaft 630 comes into contact with one side of the guide piece 620, and one side of the support piece 633 in the rotation direction The spring 621 is compressed and the spring 621 on the other side is pulled to generate a pulling force.

Therefore, in the above embodiment, the support pieces 633 provided on both sides of the pivot shaft 630 move relative to the four springs.

That is, a pushing and pulling force is generated with respect to the one supporting piece 633, and the same force principle is applied to the supporting piece 633 provided on the other side, so that the restoring force of the spring 621 having the same elasticity is doubled So that it is possible to expect the effect of generating a restoring force in the restoration unit and supporting the force of the pivot shaft 630 without a complicated component.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

1 is a front view of a refrigerator according to the present invention.

2 is a view showing that the first door opening device of the present invention is mounted on the upper surface of the door.

3 is a view showing that the second door opening device of the present invention is mounted on the lower surface of the door.

4 is an exploded perspective view of the restoration unit of the present invention.

5 is a plan view showing a combined state of the restoration unit of the present invention.

6 is an exploded perspective view of the first door opening device of the present invention.

7 is an exploded perspective view of the second door opening device of the present invention.

Fig. 8 is a plan view showing a state in which Fig. 5 of the present invention is in an unlocked state.

9 is an explanatory view showing the state before the first and second door opening devices of the present invention are turned.

10 is a plan view showing the first and second door opening devices of the present invention being operated.

11 is a plan view showing the operation of the first and second door opening devices of the present invention.

12 is a plan view of the restoration unit according to the first embodiment of the present invention.

13 is an explanatory view showing a rotated state of the restoration unit according to the first embodiment of the present invention.

14 is a plan view of a restoration unit according to a second embodiment of the present invention.

15 is an explanatory view showing a rotated state of the restoration unit according to the first embodiment of the present invention.

≪ Description of Main Components of the Present Invention >

100: first door opening device 110: first door handle holder

140: first groove portion 190: first cover member

200: second door opening device 210: second door handle holder

230: support leg portion 233: roller portion

290: second cover member 300: first guide groove

350: second guide groove

400: Reconstruction unit 410, 510, 610:

420: elastic member 430, 530, 630:

433, 533, 633: Support pieces 440, 540, 640:

500, 600: restoring spring unit 520: spring piece

620: guide piece 623:

Claims (24)

A main body having a storage chamber; A door connected to the main body and opening / closing the storage chamber; A door handle rotatably mounted on the door; A door opening device that is fixed to the door handle and separates the door from the main body when the door handle rotates; and a restoration unit that can restore the door handle inserted into the door opening device, The restoration unit includes a box-shaped body part having one side opened to form an outer shape, An elastic member disposed on both inner sides of the body portion, A pivot shaft that is fitted to one side of the elastic member and is rotatably coupled to the body, And a top cover which is fixed to the body part and has a through-hole formed therethrough so that one end of the rotating shaft passes through the longitudinal direction. A main body having a storage chamber; A door connected to the main body and opening / closing the storage chamber; A door handle rotatably mounted on the door; A door opening device that is fixed to the door handle and separates the door from the main body when the door handle rotates; and a restoration unit that can restore the door handle inserted into the door opening device, The door opening device includes a first door opening device disposed on the upper and lower surfaces of the door and coupled to the door handle and supporting the door handle so as to be installed on the upper surface of the door, And a second door opening device installed on the lower surface of the door to protrude from the extended line of the door when the door handle rotates in both directions to separate the door from the main body. delete The method according to claim 1, Wherein at least one of the pivot shafts is provided on a side surface in the longitudinal direction, An engaging portion provided at one end in the longitudinal direction of the rotary shaft to engage with the door opening device, A first cap disposed around the coupling portion to support a bottom surface of the through hole formed in the top cover, And a second cap disposed around the other end of the coupling portion to support the body portion. 5. The method of claim 4, Wherein the coupling portion is coupled to the upper end of the top cover from the through hole, and the protruding coupling portion is formed in a non-circular shape so as to be able to transmit a rotational force when coupled with the door opening device. 5. The method of claim 4, Wherein the elastic member includes a body portion which is fixedly attached to an inner surface of the body portion, a protruding piece protruding from both ends of the body portion to be in contact with the supporting piece, and a protruding piece penetrating in the longitudinal direction of the protruding piece, And a shrinkage hole for allowing one side of the protrusion to be shrunk when compressed. The method according to claim 6, Wherein the body further comprises a protruding hole coupled to the pivot shaft so as to be rotatable. The method according to claim 6, Wherein the support pieces on both sides of the rotation shaft are disposed so as to be in contact with protruding pieces of the elastic member in the rotational direction when the rotation shaft is rotated. 9. The method of claim 8, Wherein the elastic member is a rubber piece. 9. The method of claim 8, Wherein the elastic member further comprises a spring capable of compressing one surface of the elastic member to be in contact with the support piece. 3. The method of claim 2, The first door opening device includes a first door handle holder provided on the upper surface of the door and coupled to the handle, and a first cover member coupled to cover the first door handle holder on the upper surface of the first door handle holder . 12. The method of claim 11, The first door opening device is provided with a first support hole through which the restoration unit is inserted and fixed. On the upper surface of the door, the first cover member and the first door handle holder coupled to the upper surface of the first support hole Wherein a first guide groove for guiding an angle to be rotated in both directions in accordance with the rotation of the handle is disposed. 3. The method of claim 2, The second door opening device includes a second door handle holder provided on the lower surface of the door and coupled to the handle, and a second cover member coupled to a lower side of the second door handle holder to cover the second door handle holder . 14. The method of claim 13, A support leg provided on the second door handle holder and extending in the direction of the body; Further comprising a roller portion rotatably provided at an end of the support leg portion and capable of contacting with the main body. 15. The method of claim 14, Wherein the support leg portion extends in the left-right direction in the door handle holder, and the roller portion is rotatably installed at both ends of the support leg portion. 15. The method of claim 14, The second door opening device is formed with a second support hole into which the restoration unit is inserted and fixed. The second cover member and the second door handle holder coupled to the lower surface of the second support hole are provided on the door bottom, Wherein the second guide groove is disposed so as not to interfere with the radius of rotation of the support leg portion. A main body having a storage chamber; A door connected to the main body and opening / closing the storage chamber; A door handle rotatably mounted on the door; A door opening device that is fixed to the door handle and separates the door from the main body when the door handle is pivoted; and a door handle that is relatively movable with respect to the door handle so as to restore the door handle And a restoring spring unit, Wherein the restoring spring unit comprises: a body part forming an outer shape; A rotating shaft rotatably coupled to the inside of the body portion; And a spring piece which compresses the rotating shaft so as to be in contact with the rotating radius at the time of rotating, so that a restoring force is generated. delete 18. The method of claim 17, And the spring piece is fixed on a rotation radius line inside the body part. And a housing cap which is formed on an opening side of the spring and is provided to prevent the spring from coming off and a housing cap which is in contact with the rotation shaft. The refrigerator. 20. The method of claim 19, Wherein the rotary shaft is formed with a pair of elongated holes at one end in the lengthwise direction, and is coupled to the door opening device, and a plurality of supporting pieces are formed at a lower portion of the coupling portion so as to be relatively moved relative to the restoring spring unit. 21. The method of claim 20, Wherein the support piece of the pivot shaft is supported on the outer side of the bent portion where the housing cap is disposed when the door opening device is rotated and is arranged so that the rotation of the pivot shaft is restricted by the bent portion. 22. The method of claim 21, Wherein the pivot shaft further comprises a rubber damper capable of flexibly responding to a contraction angle of the housing cap according to a rotation angle. 18. The method of claim 17, The door opening device includes a first door opening device fixed to both ends of the door handle and supported by the door so as to be rotatable on the door, and a second door opening device capable of opening the door from the main body at a lower surface thereof . 24. The method of claim 23, The door opening device installed on an upper surface or a lower surface of the door includes a door handle holder, at least one of the door handle holders extending from the door handle holder toward the body; Wherein a roller portion provided at an end of the support leg portion and in rolling contact with the main body is provided.

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