KR19990012874A - Door Locking Device for Refrigerator - Google Patents

Abstract

The present invention relates to a door locking structure of a refrigerator.

The refrigerator has a door locking structure in a refrigerator in which a door (100) is provided in a freezer compartment (11) and a refrigerating chamber (12) of a refrigerator to store and take out objects to be stored:

A handle case 70 mounted on the side of the door 100, a trigger lever 31 installed in an L shape to reciprocate under artificial force in the handle case 70, and the trigger lever. A tip inclined surface 32 ′ is formed on the front surface to receive the reciprocating motion of the 31 to rotate, and when the door 100 is closed, the rotation is configured by the locking end 32 so as to be locked. Is connected to one side of the trigger lever 32 to transmit the reciprocating motion of the member 32 and the trigger lever 31 to the pivot member 32, and is connected to one side of the rear end of the pivot member 32 A locking member 30 installed in the handle case 70 including a rod-shaped intermediate connecting link 33;

The same inclined surface 50 'as the front inclined surface 32' of the pivot member 32 is formed so that the front inclined surface 32 'of the pivot member 32 is slid to the front, and the pivot member 32' The locking end 50 is grounded so that the door 100 is locked so that the locking end 50 is configured to include a locking member 50 mounted on a predetermined portion of the outer wall trimming plate of the main body 200. It is done.

Accordingly, the locking end of the locking member installed in the door is grounded and locked to the protruding end of the lock member installed in the refrigerator body in the closed state of the door without the door being opened due to the shock generated when closing the door of the refrigerator. The door can be firmly closed, and so on.

Description

Door Locking Device for Refrigerator

The present invention relates to a door locking device of the refrigerator, and more particularly, to a door locking device of the refrigerator to enable the door to maintain a closed state when the door is closed.

Typically, the home refrigerator 10 is divided into a freezing chamber 12, a refrigerating chamber 11, and the like into a storage space as shown in a perspective view in FIG. 1, and a rapid freezing chamber or a vegetable chamber is formed. Such a refrigerator 10 has a door 100 that can be rotated by a hinge to open and close the storage space, and the refrigerator 10 has a saturated steam of a low boiling point refrigerant having a low heat source as the inside and a high heat source as the outside. Compressor (not shown) is compressed to high pressure and flows to a condenser (not shown), and in the condenser (not shown), latent heat of evaporation is released from the high pressure and high heat refrigerant to the high heat source outside the refrigerator 10 to form a liquid refrigerant. After the phase change in the furnace, the liquid refrigerant is passed through the expansion valve and throttled to low pressure and low temperature, and then an evaporator (not shown), that is, a cooler (not shown) is also introduced. The low-pressure and low-temperature refrigerant in the cooler absorbs latent heat from the low heat source inside the refrigerator 10 in the liquid phase to cause a phase change into a saturated steam refrigerant, and then flows into the aforementioned compressor (not shown). It constitutes a circulation cycle of.

While repeating the circulation cycle of the refrigerant, the internal air contacts the cooler installed on the inside and the rear of the refrigerator 10 to form cold air, and the cold air passes through the rear duct by a fan motor for supplying cold air. It is supplied to a freezer compartment, a refrigerating compartment, and the like, and the supplied cold air is recovered and circulated to the cooler side again through a recovery duct to control each freezer compartment, a refrigerating compartment, etc. at a predetermined temperature, thereby bringing a desired freezing effect.

In general, a door that opens and closes the freezer compartment 11 and the refrigerating compartment 12 is installed at the front of the main body of the refrigerator, thereby preventing cold air from the freezer compartment 11 and the refrigerating compartment 12 from leaking to the outside, and the door 100. The doors are opened and closed to store and take out objects to be stored in the freezing chamber 11 and the refrigerating chamber 12.

As described above, in the refrigerator 10 in which the door is installed, the handle 17 is installed at the front of the door 100 to facilitate opening and closing of the door 100, and A rubber packing 100 ′ is provided on the ground surface of the main body 100 to prevent the refrigerant in the refrigerating chamber 11 and the freezing chamber 12 from flowing out when the door 100 is closed. This is installed. At this time, a magnet (not shown) is embedded in the rubber packing 100 'so that the door 100 is attracted to the main body by the magnetic force of the magnet when the door 100 is closed, and the suction door 100 The rubber packing (100 ') is in close contact with the refrigerator main body to keep the door 100 closed.

However, according to the structure and action of such conventional door opening and closing, when the door is closed by giving a momentary force to the main body, the impact force generated upon contact with the main body is transmitted to the door, and the closing state of the door is released by the impact force. There is a problem.

Therefore, the present invention has been invented to solve the above-described problems, and the door locking device of the refrigerator is provided so that the door can be firmly maintained without being opened by an impact of closing the door when the door is closed. Has its purpose.

1 is a perspective view schematically showing a conventional refrigerator,

Figure 2a is a front view showing a locking member according to an embodiment of the present invention, Figure 2b is a front view of a lock member according to an embodiment of the present invention,

Figure 3a is a partial cross-sectional view showing a door locking structure of the refrigerator according to the embodiment of the present invention,

Figure 3b is a cross-sectional view showing a door locking structure of the refrigerator according to the embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10 freezer 11: freezer

12: refrigerator compartment 17: door handle

100: door 100 ': rubber packing

200: refrigerator body 30: locking member

31: trigger lever 31 ': mounting pin

31: mounting groove 32: rotating member

32 ': Tip inclined surface (rotating member) 32: Hanging end

33: intermediate link 33 ': connecting pin

34: rotating hinge shaft 50: locking member

50 ': inclined surface (lock member) 50: protrusion end

60: return spring 60 ': spring holder

70: handle case 70 ': release prevention

In the refrigerator door lock device according to the present invention for achieving the above object, in the refrigerator is installed in the freezer compartment and the refrigerating compartment of the refrigerator door to accommodate and take out the object:

A handle case mounted on the side of the door, a trigger lever installed in an L shape to reciprocate under artificial force in the handle case, and a front side to receive the reciprocating motion of the trigger lever and to rotate in front of the handle lever. A tip inclined surface is formed, and is connected to one side of the trigger lever to transmit the reciprocating motion of the trigger member and the pivot lever to the pivot member, the pivot member being installed and configured to be locked when the door is closed. A locking member installed in the handle case and including a rod-shaped intermediate connecting link connected to one side of the rear end of the rotation member; The front inclined surface of the rotating member is grounded so as to slide in front of the rotating member, and the same inclined surface as the front inclined surface of the rotating member is formed. It characterized in that it comprises a lock member mounted to a predetermined portion of the outer wall trimming plate.

In this case, a mounting groove is formed to be mounted to the handle case at a predetermined portion of the trigger lever, and is mounted to the handle case through a mounting pin in the mounting groove. At this time, the mounting groove may be formed in a rectangular shape so that the trigger lever can reciprocate.

In addition, the hinge member is installed on the lower end of the same line of the connecting pin that the intermediate connecting link is connected to the rear end of the rotating member so that the reciprocating motion of the trigger lever can be converted into the rotating motion of the rotating member. It can be rotated counterclockwise about the hinge axis.

The connecting pin of the intermediate connecting link may be rotatably connected to the intermediate connecting link when the rotating member rotates about the hinge axis.

The handle case is provided with at least one return spring so that the trigger lever returns to its original position when the artificial force is removed, and also prevents the trigger lever from being released in the handle case by the elastic force of the return spring. The release preventing portion may be formed to allow. In this case, a spring holder may be installed on the ground of the handle case and the trigger lever to which the return spring is grounded so that the return spring is not separated.

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

2A shows a front view of a locking member according to an embodiment of the present invention, and FIG. 2B shows a front view of a locking member according to an embodiment of the present invention.

2A and 2B, the door locking structure of the refrigerator according to the present invention includes a locking member 30 and a locking member 50.

The locking member 30 is configured to include a trigger lever 31, the intermediate link link 33 and the rotating member 32, as shown in Figure 2a, is installed to be embedded in the handle case (70).

The trigger lever 31 has a spring holder 60 'protruding from the rear end and a rectangular mounting groove 31 to be mounted to the handle case 70 at a predetermined portion, and the handle case 70 It can be installed in the L shape to be mounted through the mounting pin 31 in the reciprocating motion.

The rotating member 32 has a front inclined surface 32 'and a locking end 32 in the front, and receives an reciprocating motion of the trigger lever 31 so as to be rotated so that an intermediate connecting link ( 33) is connected to the lower end side of the trigger lever 31, the hinge shaft 34 is installed at a predetermined lower end of the same line of the connecting pin 33 'is connected to the intermediate connecting link (33). Therefore, when the trigger lever 31 reciprocates, the pivot member 32 may be installed to rotate in a counterclockwise direction about the hinge axis 34.

The intermediate connecting link 33, the lower end one side of the trigger lever 31 and the rear end one side of the rotation member 32 so as to transfer the reciprocating motion of the trigger lever 31 to the rotation member (32). When the rotating member 32 is rotated in the form of a connecting rod, the intermediate connecting link 33 is also installed to be movable.

The lock member 50 has an inclined surface 50 'and a protruding end 50 at the front, and an inclined surface 50 having a tip inclined surface 32' of the rotation member 32 in front of the lock member 50. ') The sliding end 32 in contact with the slope while the locking end 32' of the rotating member 32 is grounded to the protruding end 50 so that the door 100 locks the outer wall trimming plate of the main body 200 It is installed at a predetermined part.

The detailed operation of the door locking structure of the refrigerator according to the embodiment of the present invention configured as described above will be described with reference to FIGS. 3A and 3B.

As shown in the locking structure of the refrigerator according to the present invention, the locking member 30 is installed at the door 100 side, and the locking member 50 is installed at the main body 200 side.

In this case, the locking member 30 is installed to be embedded in the handle case 70 is installed on the side of the door 100, including the trigger lever 31, the rotating member 32 and the intermediate connecting link (33), Preferably, the release preventing unit 70 'may be formed in the handle case 70.

When the user opens the door 100 to store and take out the objects to be stored in the freezer compartment 11 and the refrigerating compartment 12, the trigger is pulled through the handle case 70 installed in the door 100. A force is applied to the lever 31, which causes the trigger lever 31 to retract to the position as shown by the dashed line in FIG.

At this time, the reciprocating motion of the trigger lever 31 is transmitted to the pivot member 32 by an intermediate link link 33 connected to the lower end side of the trigger lever 31, and the reverse force of the trigger lever 31 is obtained. The rotating member 32 is also reversed by being attached to the handle case 70 by a hinge shaft 34 at a lower end thereof, so that the front portion of the rotating member 32 is centered on the hinge shaft 34. In this way, the engagement with the lock member 50 is released by rotating in the unlocking direction, that is, counterclockwise.

On the other hand, when the user releases his hand from the handle case 70 to close the door 100, the artificial force is removed from the trigger lever 31, the return spring (60) installed on the handle case 70 The trigger lever 31 is also returned to its original position by the elastic force of the control panel, and the trigger lever 31 is controlled to prevent the trigger lever 31 from being released from the handle case 70 by the release preventing part 70 '.

At this time, the elastic force of the trigger lever 31 is transmitted to the pivot member 32 by an intermediate link link 33 connected to the lower end side of the trigger lever 31, and the pivot member 32 is also used as the door ( 100) is rotated toward the lock member 50 of the refrigerator body in the reverse of the opening.

In this case, the tip inclined surface 32 ′ of the pivot member 32 is in contact with the inclined surface 50 ′ of the lock member 50 while advancing along the inclined surface by the above-described elastic force to rotate the pivot member 32. The front locking end 32 of the) is grounded to the protruding end 50 of the lock member 50 to perform the locking action of the door. At this time, the locking member 30 is elastically supported by the elastic force of the return spring 60 so that the closed state of the door 100 can be firmly maintained without applying an artificial force.

According to the configuration and function of the door locking structure of the refrigerator according to the embodiment of the present invention described above, the locking end of the locking member provided on the side of the door when the door is closed protrudes of the lock member provided on the predetermined portion of the outer wall trimming plate of the main body It is locked while being grounded at the end, so that the door is not opened by the impact of closing the door, thereby maintaining the closed state firmly.

Although embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited thereto, and the present invention is not limited to the scope of the present invention provided without departing from the spirit or the field of the present invention. It will be readily apparent to those skilled in the art that various modifications and variations can be made.

Claims (6)

In a refrigerator having a door (100) is installed in the freezer compartment 11 and the refrigerating compartment (12) of the refrigerator to store and take out the objects to be stored: A handle case 70 mounted on the side of the door 100, a trigger lever 31 installed in an L shape to reciprocate under artificial force in the handle case 70, and the trigger lever. A tip inclined surface 32 ′ is formed on the front surface to receive the reciprocating motion of the 31 to rotate, and when the door 100 is closed, the rotation is configured by the locking end 32 so as to be locked. Membrane connected to one side of the trigger lever 32 so as to transfer the reciprocating motion of the member 32 and the trigger lever 31 to the pivot member 32, and connected to one side of the rear end of the pivot member 32. A locking member 30 installed in the handle case 70 including a large intermediate link link 33; The same inclined surface 50 'as the front inclined surface 32' of the pivot member 32 is formed so that the front inclined surface 32 'of the pivot member 32 is slid to the front, and the pivot member 32' The locking end 50 is grounded so that the door 100 is locked so that the locking end 50 is configured to include a locking member 50 mounted on a predetermined portion of the outer wall trimming plate of the main body 200. Door lock structure of the refrigerator. According to claim 1, wherein the trigger lever 31 is mounted to the handle case 70 by a mounting pin 31 ', the mounting groove 31 formed in a predetermined portion of the trigger lever 31 is the trigger Door lock structure of the refrigerator, characterized in that the lever 31 is formed in a rectangle so as to reciprocate. The connecting pin of claim 1, wherein the intermediate connecting link 33 of the pivot member 32 is connected to allow the reciprocating motion of the trigger lever 31 to be converted into a rotational motion of the pivot member 32. A hinge shaft 34 is installed at a predetermined lower portion of the same line of the 33 ') so that the rotation member 32 can be rotated counterclockwise about the hinge shaft 34. Locking structure. 5. The connecting pin according to claim 1 or 4, wherein the intermediate connecting link (33) is movable so that the intermediate connecting link (33) is also movable when the rotating member (32) rotates about the hinge shaft (34). Door locking structure of the refrigerator, characterized in that connected to (33 '). According to claim 1, wherein the handle case 70 is provided with at least one return spring (60) so that the trigger lever 31 is returned to its original position when the artificial force is removed, and the trigger lever (31) The door locking structure of the refrigerator, characterized in that the release preventing portion (70 ') is formed to prevent the release from the handle case (70) by the elastic force of the return spring (60). The spring holder 60 'is installed to prevent the return spring 60 from being detached from the ground surface of the handle case 70 and the trigger lever 31, wherein the return spring 60 is grounded. The door locking structure of the refrigerator, characterized in that.