KR100705091B1 - A double drawer for refrigerator - Google Patents

Abstract

The present invention relates to a double drawer of the refrigerator in which the main drawer of the refrigerator for storing food is guided by the guide groove formed in the auxiliary drawer and drawn in and out.

Double drawer of the refrigerator according to the present invention, the main drawer 420 for receiving food; Sliding members 426 provided on both sides of the main drawer 420 and sliding to draw / open the main drawer 420; It is formed to accommodate the main drawer 420, guide grooves 450 for guiding the sliding of the sliding member 426 is formed on both sides and the auxiliary drawer 440 for guiding the sliding of the main drawer 420 and ; Cloud members (444) provided on both sides of the auxiliary drawer (440) for rolling movement so that the auxiliary drawer (440) is withdrawn / mouth; It is formed on both sides of the auxiliary drawer (440) comprises a guide rail (460) for guiding the rolling motion of the cloud member (444); The guide groove 450 is formed to be opened to pass through the auxiliary drawer 440. According to the present invention having such a configuration, the draw drawer of the main drawer is long and there is an effect that can be used more stably.

Refrigerator, double drawer, main drawer, auxiliary drawer, guide groove. Withdraw

Description

A double drawer for refrigerator}

1 is a perspective view showing a state in which the drawer-type door of the refrigerator according to the prior art is opened.

Figure 2 is a partial perspective view showing the structure of the drawer drawer drawer according to the prior art.

Figure 3 is a perspective view showing an open state of the door of the refrigerator employing a double drawer of the refrigerator according to the present invention.

Figure 4 is an exploded perspective view showing the structure of a double drawer of the refrigerator according to the present invention.

Figure 5 is a perspective view showing the appearance of the auxiliary drawer which is a main component of a preferred embodiment of a double drawer of the refrigerator according to the present invention.

Figure 6 is a schematic diagram showing the operation of the double drawer of the refrigerator according to the present invention.

Explanation of symbols on the main parts of the drawings

100. main body 200. refrigerator

220. Rotating door 300. Drawer room

320. Drawer door 340. Storage box

360. 3-stage rail 400. Double drawers

420. Drawer 422. Front plate

424. Cold air inlet 426. Sliding member                 

440. Supplementary drawers 444. Rolling members

446. Sliding guide 450. Guide groove

452. Seating Section 454. Insertion Section

456. Guide ribs 460. Guide rails

462. Protrusion 464. Receptacle

The present invention relates to a refrigerator drawer, and more particularly, to a double drawer of a refrigerator in which the main drawer of the refrigerator for storing food is guided by a guide groove formed in the auxiliary drawer and withdrawn in front and rear.

In general, a refrigerator is a device for low-temperature storage of food, and stored in a refrigerator or refrigerated according to the state of the food to be stored. The cold air supplied to the inside of the refrigerator is generated by the heat exchange action of the refrigerant, is continuously supplied into the refrigerator while repeatedly performing a cycle of compression, condensation, expansion, and evaporation, and the supplied refrigerant is supplied by convection. It is evenly distributed inside the refrigerator to store food in the refrigerator at a desired temperature.

1 is a perspective view showing a state in which a drawer-type door of a refrigerator according to the prior art is opened, and as shown in the drawing, the main body 1 of the refrigerator is formed in a rectangular shape, and the left and right sides of the main body 1 are left and right. A rotary door 10 that can be selectively opened and closed is formed, and a drawer-type door 12 that slides forward and backward and is pulled out / receiving is formed at the bottom.

Although not shown, a refrigerator compartment and a freezer compartment are formed inside the refrigerator body 1 to store various foods in a refrigerator or freezer, and various shelves or drawers in each refrigerator compartment and a freezer compartment to suit various food characteristics. , A tray and the like are configured.

In this case, the temperature of the refrigerator compartment and the freezer compartment is different depending on the position, the flow of the refrigerant convection in the interior of the main body 1 by the shelves, drawers and trays partitioning each space is adjusted according to the temperature Will be different. In general, the lower the refrigerator body (1), the less the transfer of cold air is relatively high temperature.

On the other hand, the lower part of the refrigerator main body (1) is drawn out / drawn in by the drawer-type door 12, a drawer chamber 20 for storing food is formed. The drawer room 20 is a place used as a freezer compartment mainly stores meat or fish or food that requires long-term storage, and a plurality of storage spaces of different sizes to store a variety of food from large to small food It consists of

The drawer room 20 is provided with a storage box 30 for storing relatively large food and a drawer drawer 40 for storing food smaller than the food stored in the storage box 30. The storage box 30 is a large sized food or food that does not require classification is stored.                         

The storage box 30 is hinged with the lower side of the drawer door 12 is pulled forward with the drawer door 12 when pulled forward. Therefore, the user can recognize the inside of the storage box 30 only withdrawal of the drawer door 12, and withdraws / receives the storage box 30 without a separate operation.

In addition, the upper ends of both sides of the storage box 30 are fixed to one side of a rail (Rail, 50) consisting of three stages, and the other side of the rail 50 is fixed to both inner side surfaces of the refrigerator body (1). Therefore, the storage box 30 is guided by the rail 50 when the storage box 30 is pulled out / retracted in conjunction with the drawer door 12 is pulled out / retracted.

On the other hand, the drawer drawer 40 is installed on the upper end of the storage box 30, the drawer drawer 40 will be described in more detail with reference to Figure 2, the drawer drawer 40 is a plurality of wires ( Wires are crossed and bent to form a drawer shape.

The upper side of the drawer drawer 40 is open, and the front plate 42 is formed on the front of the drawer drawer 40 to form a part of the front appearance of the drawer drawer 40. And, the upper side of both sides of the drawer drawer 40 is formed with a rail mounting bracket 44 to which the second moving rail 54 '' to be described below is fixed.

The drawer drawer 40 slides back and forth along the rail 50 while being withdrawn / inlet, allowing the user to store desired food.

And, the rail 50 is composed of a fixed rail 52 which is fixed without moving and a moving rail 54 while sliding forward and backward.                         

The fixed rail 52 is installed in the horizontal direction in the left and right side of the inside of the refrigerator body 1, that is, the drawer chamber 20 in the horizontal direction, and serves as a guide for sliding the movable rail 54.

In more detail, when the movable rail 54 is mounted inside the fixed rail 52, the rolling member provided on the movable rail 54 and one side of the fixed rail 52 come into contact with each other. The rail 54 slides along the fixed rail 52.

On the other hand, the movable rail 54 is composed of a first movable rail 54 'and a second movable rail 54' '. The first moving rail 54 ′ is mounted on the fixed rail 52 to be slid forward along the fixed rail 52, and the second moving rail 54 ″ is formed on the first moving rail ( 54 ') so as to slide forward.

At this time, the first moving rail 54 ′ and the second moving rail 54 ″ are provided with rolling members. The rolling member rotates while contacting one side of the fixed rail 52 for guiding the first moving rail 54 'and the first moving rail 54' for guiding the second moving rail 54 '', respectively. Done.

Meanwhile, the second moving rail 54 ″ is fixed to the rail mounting bracket 44 so that the drawer drawer 40 can slide forward and backward along the rail 50. In addition, the degree to which the drawer drawer 40 is drawn out is determined according to the length of drawout of the rail 50, and thus the size of the drawer drawer 40 is determined.

In addition, a second moving rail 54 ″ is fixed to the rail mounting bracket 44 of the drawer drawer 40, and the second moving rail 54 ″ and the first moving rail 54 ′ are fixed to the rail mounting bracket 44. The rails 52 are connected in turn, and the rails 50 and the drawer drawer 40 coupled as described above are mounted at the same time inside the drawer chamber 20.

However, the drawer drawer of the refrigerator configured as described above has the following problems.

When the moving rail 54 is formed to extend in the same line and is drawn out over a predetermined distance, excessive moment is generated by the weight of the drawer drawer 40 and the weight of food contained in the drawer drawer 40. There is a problem that the rail 50 is damaged or the drawer drawer 40 is removed from the rail 50.

In addition, the withdrawal length of the drawer drawer 40 is limited by the influence of the moment, and thus the front and rear widths of the drawer drawer 40 are narrowed, thereby reducing the capacity of the drawer drawer 40 as well as the drawer drawer. As the front and rear widths of the 40 are narrowed, a problem arises in that the space utilization of the upper portion of the drawer chamber 20 is not efficient.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, the main drawer of the refrigerator for storing food is drawn by the guide groove formed in the auxiliary drawer guided by the drawer of the double drawer of the refrigerator drawer front and back To provide.

According to a feature of the present invention for achieving the object as described above, the present invention comprises a drawer for receiving food; Sliding members provided at both sides of the main drawer and sliding to draw / open the main drawer; An auxiliary drawer configured to receive the main drawer and having guide grooves for guiding sliding of the sliding member on both sides thereof to guide the sliding of the main drawer; Cloud members provided on both sides of the auxiliary drawer to move the cloud to the drawer / mouth the auxiliary drawer; It is formed on both sides of the auxiliary drawer and comprises a guide rail for guiding the rolling motion of the cloud member; The guide groove is characterized in that the opening is formed to pass through the auxiliary drawer.

The guide groove extends from the rear end of the auxiliary drawer to at least the center.

Both end portions of the guide grooves are formed with recesses formed recessed somewhat larger than the size of the sliding member laterally.

 The guide groove is configured to include an insertion portion that the rear end of the guide groove is opened upwards to be an insertion passage of the sliding member.

According to the present invention having such a configuration, the draw drawer of the main drawer is not only long, but there is an advantage that the drawer can be pulled out more stably.

Hereinafter, a preferred embodiment of a double drawer of a refrigerator according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing an open state of a door of a refrigerator employing a double drawer of the refrigerator according to the present invention. As shown in the drawing, the refrigerator body 100 includes a refrigerator compartment 200 and a drawer chamber ( 300).

The refrigerating chamber 200 is formed on the upper portion of the main body 100, and divided into two parts on the left and right sides. In the refrigerating compartment 200, various types of trays, shelves, and drawers are installed to partition the space of the refrigerating compartment 200 in order to efficiently store various kinds of foods.

Therefore, the cold air supplied from one side of the main body 100 is affected by the flow of the tray, the shelf and the drawers, thereby limiting or adjusting the convection of the cold air. The user can store and store suitable foods according to the temperature characteristics due to the difference in the cold air supply.

On the other hand, the rotary door 220 to shield the upper refrigerating chamber 200 of the main body 100 is formed on the left and right sides of the main body 100, respectively, the respective rotary doors 220 are both sides of the main body 100 It is hinged at the end and installed to be rotatable outward.

Therefore, the rotary door 220 separately shields the left and right sides of the refrigerating chamber 200 to form an independent space, and if necessary, one portion of the refrigerating chamber 200 may be used as the freezing chamber.

Handles are formed at one side of the rotary door 220 to allow the user to easily open and close the rotary door 220. In addition, the rotary door 220 may be installed such that a home bar or a water purifier for purifying a beverage may be exposed to the outside as needed.

On the other hand, a drawer chamber 300 is formed below the main body 100 in which the refrigerating chamber 200 is formed. The drawer chamber 300 is mainly used as a freezer compartment as a storage space that can be pulled out in the form of a drawer. The drawer room 300 has a separate cold air supply port for freezing and storing fish or meat or foods that require long-term storage to exhibit a strong cooling capacity.

In addition, the drawer room 300 is not only a freezer, but also can be used as a refrigerator if necessary. In this case, the space may be configured to store fruits or vegetables or foods that are relatively large or heavy, which are difficult to contain in a container.

A drawer type door 320 is formed on the front surface of the drawer chamber 300 to shield the inside of the drawer chamber 300. The lower end of the drawer door 320 is hinged to the lower end of the storage box 340 for storing food, the storage box 340 is equipped with a three-stage rail 360 extending in multiple stages while sliding back and forth.

In addition, one side of the three-stage rail 360 is fixed to both inner wall surfaces of the drawer room 300 so that the storage box 340 can slide back and forth along the three-stage rail 360, The storage box 340 and the drawer door 320 are pulled out / retracted together by pushing or pulling a handle formed above the drawer door 320.

On the other hand, the upper portion of the drawer chamber 300 is divided into left and right sides, the left side is formed with an ice maker to automatically generate and store ice, on the right side is somewhat smaller food or other foods to store in the storage box 340 and A double drawer 400 is formed to store foods that need to be separated and stored so as not to mix.

4 is an exploded perspective view showing a structure of a double drawer of the refrigerator according to the present invention. Referring to the double drawer in detail with reference to the drawings, the double drawer 400 includes a main drawer 420 and an auxiliary drawer. 440 and the guide rail 460.

The main drawer 420 is formed in a rectangular shape to accommodate food for storage, and is formed so that a part of the front surface and the entire upper surface of the drawer 420 is opened. In addition, the upper end portions of both side ends and the upper surface of the main drawer 420 are bent by a predetermined width vertically outward.

The front surface of the main drawer 420 forms the front shape of the main drawer 420, the front plate 422 is formed to serve as a handle when the main drawer 420 is withdrawn / inlet. The front plate 422 may be formed of a transparent material so as to see through the interior as needed.

The cold air inlet 424 is formed on the rear surface of the main drawer 420. The cold air inlet 424 is to allow the cool air supplied from the rear side of the drawer chamber 300 to enter the inside of the main drawer 420 is formed in the longitudinal direction on the back of the main drawer 420.

Sliding members 426 are respectively provided on both side surfaces of the main drawer 420. The sliding member 426 allows the main drawer 420 to smoothly slide and is formed at rear end portions of both sides of the main drawer 420.

The sliding member 426 is formed at a position corresponding to one side of both sides of the main drawer 420, more specifically, the guide groove 450 to be described below, and a predetermined distance from both sides of the main drawer 420. Protrude vertically.

The sliding member 426 is formed to have a predetermined thickness and width to support the weight of food accommodated in the main drawer 420 and the main drawer 420, the shape may be variously modified.

In addition, the sliding member 426 may be a rolling member such as a roller or a bearing in order to smooth the sliding of the main drawer 420.

The main drawer 420 is seated in the auxiliary drawer 440, and withdraws in and out while sliding back and forth inside the auxiliary drawer 440.

Looking at the auxiliary drawer in more detail with reference to Figure 5, the auxiliary drawer 440 is formed in a rectangular shape as a whole, somewhat than the main drawer 420 so that the main drawer 420 can be seated It is largely formed.

In addition, the front of the auxiliary drawer 440 is completely open so that the main drawer 420 seated inside the auxiliary drawer 440 is easily slid forward. In addition, the upper surface of the auxiliary drawer 440 is opened to facilitate recognition of food inside the main drawer 420 and food storage.

Guide grooves 450 are formed on both side surfaces of the auxiliary drawer 440. The guide groove 450 guides the sliding of the sliding member 426 formed on both side surfaces of the main drawer 420 so that the main drawer 420 may receive the auxiliary drawer so as to accommodate the sliding member 426. When seated on 440 is formed in a position corresponding to the sliding member 426.

In more detail, the guide groove 450 extends from the rear end portions of both side surfaces of the auxiliary drawer 440 to at least the center portion, and is formed to penetrate both side surfaces of the auxiliary drawer 440.

In addition, an insertion part 454 is formed at the rear end of the guide groove 450. The insertion portion 454 serves as an insertion passage of the sliding member 426, and is formed to be opened upward from the rear end of the guide groove 450.

Therefore, in order to seat the main drawer 420 on the auxiliary drawer 440, the sliding members 426 formed on both sides of the main drawer 420 are positioned at the insertion part 454 of the auxiliary drawer 440. When the main drawer 420 is inserted into the guide groove 450, the main drawer 420 is seated inside the auxiliary drawer 440.

The sliding member 426 slides while contacting the bottom surface of the guide groove 450, and seating portions 452 are formed at both ends of the guide groove 450. The seating portion 452 serves as a locking jaw of the sliding member 426 and is formed to have a somewhat larger depression in a shape similar to that of the sliding member 426.

The sliding member 426 sliding along the bottom surface of the guide groove 450 stops sliding while being seated at the seating portion 452 at both side ends of the guide groove 450.

Meanwhile, rolling members 444 are provided at both side surfaces of the auxiliary drawer 440 on which the guide groove 450 is mounted. The rolling member 444 allows the auxiliary drawer 440 to roll along the guide rail 460 to be described below, and may be formed in a protrusion shape as the sliding member 426 as necessary. It will be possible.

The rolling member 444 is installed above the rear half of both side surfaces of the auxiliary drawer 440, that is, above the guide groove 450. A sliding guide 446 is formed from a position where the rolling member 444 is mounted to a front end of the auxiliary drawer 440.

The sliding guide 446 protrudes outwardly with a predetermined width so that the auxiliary drawer 440 does not sag downward when the auxiliary drawer 440 is withdrawn / retracted.

The auxiliary drawer 440 is mounted to the guide rail 460. The guide rail 460 guides the withdrawal / mouth of the auxiliary drawer 440 and is installed on the left and right sides of the main body 100 of the refrigerator, and more specifically, on the upper left and right sides of the drawer chamber 300.

The guide rail 460 is formed in a long rectangular plate shape, the protruding portion 462 and the receiving portion 464 formed along the horizontal direction of the guide rail 460 is formed in the center of the guide rail 460 Is formed.

The protrusion 462 protrudes inwardly by a predetermined distance along an outer edge of the guide rail 460 and is formed to have a predetermined width. Therefore, a recessed accommodating portion 464 is naturally formed inside the portion formed by the protrusion 462, and the shape of the accommodating portion 464 is determined according to the shape of the protrusion 462.

The accommodating part 464 is formed to have a predetermined width so that the rolling member 444 moves while the rolling member 444 is in contact with the rolling member 444 so as to move in a stable rolling motion.

Hereinafter will be described the operation of the double drawer 400 of the refrigerator according to the present invention having the configuration as described above.

Figure 6 is a schematic view showing the operation of the double drawer of the refrigerator according to the present invention, as shown in the figure, the sliding drawer 426 of the main drawer 420 in the state in which the double drawer 400 is first fully retracted Is seated on the seating portion 452 of the rear end of the guide groove 450, the rolling member 444 of the auxiliary drawer 440 is located at the rear end of the guide rail 460.

When the front drawer 422 formed on the front surface of the main drawer 420 is pulled forward to pull out the double drawer 400, the auxiliary drawer 440 is first drawn out.

In this case, the main drawer 420 is not drawn out earlier than the auxiliary drawer 440 is because the sliding member 426 sliding to draw / open the main drawer 420 is the seating portion of the rear end of the guide groove 450 Seated at 452, a predetermined force is required to move beyond the seat 452.

On the other hand, the rolling member 444 for sliding the auxiliary drawer 440 is located at the rear end of the receiving portion 464 of the guide rail 460, although the rear end of the receiving portion 464 is slightly inclined The auxiliary drawer 440 is drawn out first because it can cross the inclination with a force less than the force for crossing the seating portion 452.

When the auxiliary drawer 440 is pulled out to some extent so that the auxiliary drawer 440 is no longer pulled out, the front plate 422 is pulled continuously, and the force pulling the main drawer 420 forward is the sliding. The member 426 is greater than the force for passing the seating portion 452.

As a result, the sliding member 426 slides along the lower end of the guide groove 450 beyond the seating portion 452, and the main drawer 420 is the auxiliary drawer by sliding the sliding member 426. It is withdrawn from the inside of 440 to the front.

When the sliding member 426 is positioned at the seating portion 452 of the front end of the guide groove 450, the main drawer 420 is no longer drawn out, and the main drawer 420 and the auxiliary drawer 440 are removed. ) Is withdrawn.

On the other hand, when looking at the process of drawing the double drawer 400, if the front plate 422 of the main drawer 420 is pushed backward, the guide groove 450 shear as in the case of withdrawal of the double drawer 400 The rolling member 444 mounted on the auxiliary drawer 440 is first moved while rolling movement under the influence of the seating portion 452.

When the movement of the rolling member 444 is completed, the sliding member 426 is moved to the rear along the guide groove 450 beyond the seating portion 452, thereby the main drawer 420 It is retracted while sliding backwards. When the withdrawal of the main drawer 420 is completed, the double drawer 400 is returned to its initial state before withdrawal.

When the double drawer 400 needs to be separated for cleaning or service reasons, the main drawer 420 is lifted upwards in the state where the main drawer 420 is completely inserted into the auxiliary drawer 440. The main drawer 420 is separated from the auxiliary drawer 440 as the sliding member 426 is pulled out through the insertion part 454 of the guide groove 450.                     

In addition, the auxiliary drawer 440 is completely drawn out along the guide rail 460, and then, when the auxiliary drawer 440 is lifted in a diagonal direction of approximately 45 ° upward, the opened portion of the protrusion 462 is opened. The auxiliary drawer 440 is separated from the guide rail 460 through.

The order of separation may be any of the auxiliary drawer 440 and the main drawer 420 may be separated first, and the assembling process of the double drawer 400 is performed in the opposite manner as described above. In this case, any one of the main drawer 420 and the auxiliary drawer 440 may be assembled first regardless of the order.

The scope of the present invention is not limited to the above embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the above technical scope.

In the double drawer of the refrigerator according to the present invention as described above in detail, the main drawer for receiving food is guided out of the guide groove formed in the auxiliary drawer is drawn out forward, the auxiliary drawer receives the guide rail formed above Withdrawn forward.

Therefore, the double drawer is drawn out in a stepped structure, which is less affected by the moment than the multi-stage extension on the same line, and it is possible to more stably withdraw the main drawer by guiding the drawer-type auxiliary drawer. There is an effect of improving the stability of.                     

In addition, the withdrawal distance is longer due to improved stability, which makes it possible to increase the size of the main drawer so that a larger amount of food can be accommodated in the drawer.

In addition, as the draw distance of the main drawer becomes longer, the front and rear lengths of the main drawer become longer, and thus, the unutilized space inside the drawer chamber is reduced, thereby maximizing the space utilization inside the drawer chamber.

Claims (4)

A drawer for receiving food; Sliding members provided at both sides of the main drawer and sliding to draw / open the main drawer; An auxiliary drawer configured to receive the main drawer and having guide grooves for guiding sliding of the sliding member on both sides thereof to guide the sliding of the main drawer; Cloud members provided on both sides of the auxiliary drawer to move the cloud to the drawer / mouth the auxiliary drawer; It is formed on both sides of the auxiliary drawer and comprises a guide rail for guiding the rolling motion of the cloud member; The guide groove is a double drawer of the refrigerator, characterized in that the opening is formed to pass through the auxiliary drawer. The double drawer of claim 1, wherein the guide groove extends from a rear end of the auxiliary drawer to at least a center part. According to claim 1, At both ends of the guide groove, The double drawer of the refrigerator, characterized in that the mounting portion is formed recessed slightly larger than the size of the sliding member to the side.  The guide groove according to any one of claims 1 to 3, wherein Double drawer of the refrigerator characterized in that it comprises an insertion portion which is open to the rear end of the guide groove is an insertion passage of the sliding member.

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