JP2007147223A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator having a drawer of high usability and high quality capable of being lightly smoothly opened and closed without backlash, in regard to the refrigerator comprising a drawer device. <P>SOLUTION: Rail members 31 are respectively composed of a fixed rail 31a, a moving rail 31b, an intermediate traveling rail 31c disposed between the fixed rail 31a and the moving rail 31b, and a plurality of bearings 31d as rotation supporting members supporting engagement of the intermediate traveling rail 31c with the fixed rail 31a and the moving rail 31b. As the fixed rails 31a are fixed to a second partitioning body 23a as a heat insulating housing 19 filled with a foamed heat insulating material 22 in a state that the fixed rail 31a, the moving rail 31b, the intermediate traveling rail 31c and the bearings 31d are assembled in advance, and the moving rails 31b are respectively fixed to a door of a storing compartment, the moving rails 31b can be smoothly moved, and operating force of the drawer can be reduced. Thus the usability of the refrigerator can be improved. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a refrigerator provided with a drawer device.

  In recent years, as the size of refrigerators has increased, the amount of storage tends to increase, and in order to increase the amount of storage and improve usability, those equipped with a drawer device have become mainstream (for example, see Patent Document 1). ).

  Hereinafter, a refrigerator provided with the above-described conventional drawer device will be described with reference to the drawings.

  FIG. 8 is a perspective view of a drawer door of a conventional refrigerator. FIG. 9 is a cross-sectional view of main parts of a conventional refrigerator drawer device. FIG. 10 is a cross-sectional view of a conventional refrigerator drawer device. The refrigerator drawer device 17 of the prior art includes an openable / closable door 1 on the front surface of the refrigerator main body, a frame 2 having one end fixed to the left and right sides of the door, a connecting frame 16 connecting the rear ends, and a rear end of the frame 2. Mounted on the attached movable roller 3, the frame 2 fixed and attached to the inner box side wall 4, the fixed rail 5 slidably supporting the movable roller 3, the fixed roller 6, the frame 2, and the connecting frame 16. It is composed of a case 15 in the cabinet. Further, the frame side surface 9 is a flat surface, and the groove portion 12 of the fixed rail 5 is also a flat surface.

  Then, the movable roller 3 attached to the rear end of the frame 2 fixed in advance to the left and right sides of the door back surface of the door 1 is inserted into the groove 12 of the fixed rail 5 attached in advance to the refrigerator main body, and the bottom surface of the frame 2 and the fixed roller 6 is assembled so as to slide in contact therewith.

In the above configuration, when the door 1 is opened and closed, the frame 2 having one end fixed to the door 1, the connecting frame 16 connected to the frame 2, the internal case 15 and the movable roller 3 placed thereon are fixed rails. 5 and the fixed roller 6 are allowed to slide in the front-rear direction synchronized with the door 1.
Japanese Utility Model Publication No. 60-27913

  However, due to the recent demand for a wide variety of foods, an increase in storage capacity is required. In the conventional refrigerator, the fixed rail 5 in which the frame 2 fixed in advance on the left and right sides of the back of the door 1 is attached to the refrigerator main body in advance. Because of the mounting variation of the frame 2 or the fixed rail 5 and the clearance between the rail and the roller in consideration of assembly, the left and right doors are rattled when the door 1 is opened and closed. There was a problem of hitting, impairing operability, and degrading the quality during operation.

  SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described conventional problems, and to provide a refrigerator having an easy-to-use drawer that can be opened and closed lightly and smoothly even when a load is applied with high quality with little backlash.

  In order to solve the above-described conventional problems, a refrigerator according to the present invention includes an inner box, an outer box, a first partition that vertically divides the inner box, a first partition, and a lower portion of the inner box. A second partition that divides the inner box into the left and right, and a foam heat insulating material that is integrally filled in the first partition and the second partition, between the inner box and the outer box, In the refrigerator provided with the heat insulating box having the front opening made of the second partition, the drawer is provided on one or both of the left and right storage compartments partitioned by the second partition, so that the second partition can be pulled out. The durability against the door is increased, and even when a large load is applied to the drawer door, the operability and the operation quality can be maintained and opened without reinforcing the second partition with another member.

  The refrigerator of the present invention increases the strength of the partition for fixing the drawer door, can be opened and closed lightly and smoothly even under a heavy load caused by a large amount of food, and can constitute a drawer storage with high quality and ease of use. In addition, the clearance between the fixed rail and the moving rail can be reduced, the distance between doors can be minimized, the appearance design quality is improved, there is no contact between the doors even though the door spacing is small, and there is little backlash. A high-quality drawer that can be opened and closed easily and easily can be constructed.

  The invention according to claim 1 includes an inner box, an outer box, a first partition that divides the inner box vertically, and an inner box provided between the first partition and the lower part of the inner box. A front opening made of a second partition that divides the box into left and right sides, and between the inner box and the outer box, the first partition, and the foam heat insulating material filled in the second partition integrally. In the refrigerator provided with the heat insulation box having the drawer door provided in one or both of the left and right storage rooms partitioned by the second partition, the durability of the second partition to the drawer door is increased. Thus, even when a large load is applied to the drawer door, the operability and the operation quality can be maintained and opened without reinforcing the second partition with another member.

  The invention according to claim 2 is an inner box, an outer box, a first partition that divides the inner box vertically, and an inner box provided between the first partition and the lower end of the inner box. Refrigerator provided with a heat insulating box having a second partition that divides the box into left and right sides, and a front opening made of a foam heat insulating material filled between the inner box and the outer box and into the first partition. In addition, on one side or both sides of the storage compartment partitioned by the second partition, a drawer door that allows the container provided in the storage compartment to be moved by a rail member composed of a fixed rail and a movable rail is provided. The clearance between the fixed rail and the moving rail will be reduced, and when the drawer doors are placed on both sides of the partition body, the left and right drawer doors do not come into contact with each other in the center, and the high-quality drawer has little variation. Can provide doors, operability, operation quality It can be held open and close.

  According to a third aspect of the invention, in the invention of the second aspect, in addition to the effect of the second aspect, the second partition body (insulating material filling: integral foaming) has the rail member. The durability against the drawer door of the second partition, which is the standard for mounting the rail member, will increase, and even when a heavy load is applied to the drawer door, it can be opened and closed without impairing operability and quality of operation. The space between each other can be minimized to improve the appearance design quality, there is no contact between the doors even though the door spacing is small, and the high-quality drawer that is easy to use can be opened and closed smoothly with little backlash. be able to.

  The invention according to claim 4 is the invention according to claim 2 or 3, wherein a fixing member is provided on the opposite side of the rail member across the second partition, and the second partition (heat insulating material) is provided. After the fixing member is installed in the unfilled (non-integrated foam)), the rail member is easily positioned by filling the inner and outer boxes and the first partition with the heat insulating foaming agent. It is possible to improve workability as compared with the case where the fixing member is not provided. Further, the accuracy of the flatness of the rail member mounting surface is increased, and even when the drawer door is pulled out and the distortion of the rail mounting appears remarkably, the distortion can be kept to a minimum without impairing the quality.

  The invention according to claim 5 is the invention according to claim 2 or 3, wherein the inner box and the outer box, the first partition body and the second partition body are integrally foamed. In addition to the effects of the invention described above, the strength of each partition and the heat insulating box to which the rail member is attached has been improved, and the food load that can be placed on the container supported by the rail member can be improved. Even if a heavy load is applied to the drawer door, it can be opened and closed without impairing operability and operation quality, and the distance between doors can be minimized, improving the appearance design quality and reducing the door spacing. Regardless of the contact between the doors, it is possible to construct a high-quality drawer that is easy to use and can be opened and closed lightly and smoothly with little backlash.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(Embodiment 1)
1 is a front view of a refrigerator according to Embodiment 1 of the present invention, FIG. 2 is a front view of a refrigerator cabinet from which the door of the embodiment is removed, FIG. 3 is a cross-sectional view taken along the line AA in FIG. BB sectional drawing in 3. FIG. 5 is a schematic assembly view of the container and rail member of the embodiment, FIG. 6 is an exploded view of the rail member of the embodiment, and FIG. 7 is a cross-sectional view of the rail member mounting portion and fixing member of the embodiment. It is.

  1 to 5, the heat insulation box 19 of the refrigerator 18 is obtained by filling a foam heat insulating material 22 between the inner box 20 and the outer box 21, and in the first partition 23 and the second partition 23a. The first refrigerator compartment 24, the second refrigerator compartment 24a, the ice making compartment 25, the vegetable compartment 26, and the freezer compartment 27 are formed from above by the partitions 23, 23a, 23b, 23c, and 23d.

  Further, the inside of the first partition body 23 and the second partition body 23a is integrally filled with the foam heat insulating material 22 as in the heat insulating box body 19.

  Further, the vegetable compartment 26 arranged at the upper part of the fifth partition 23d has a cooling temperature of about 5 ° C., and the freezing room 27 arranged at the lower part has a cooling temperature of about −20 ° C. via the fifth partition wall 23d. Different temperature zones are set up and down. For this reason, since the vegetable compartment 26 is cooled and kept at high humidity by heat conduction and radiant heat, it is possible to maintain freshness for a longer period of time than ever for foods such as vegetables that are not to be dried.

  Similarly, the ice making room 25 and the freezing room 27 are also partitioned by the third partition.

  The ice making room 25, the vegetable room 26, and the freezing room 27 are respectively closed at the front opening by an ice making room door 25 a, a vegetable room door 26 a, and a freezing room door 27 a, and the vegetable room 26, vegetable room door 26 a, and freezing room 27. The freezer compartment door 27a can be drawn and slid in the front-rear direction by using the rail member 31.

  The rail member 31 includes a fixed rail 31a, a movable rail 31b, an intermediate traveling rail 31c provided between the fixed rail 31a and the movable rail 31b, and an engagement between the intermediate traveling rail 31c, the fixed rail 31a, and the movable rail 31b. A plurality of bearings 31d that are rotation support members for supporting the fixed rail 31a, the fixed rail 31a, the moving rail 31b, the intermediate running rail 31c, and the bearing 31d in a state in which the fixed rail 31a is mounted on both side walls of the inner box 20, or It fixes to the 1st partition 23 and the 2nd partition 23a which were filled with the foam insulation 22, and each storage room and the storage room door are connected by fixing the moving rail 31b to each storage room door. ing.

  In addition, the rail member 31 which consists of the fixed rail 31a, the moving rail 31b, and the intermediate | middle traveling rail 31c arrange | positioned via the bearing 31d between the fixed rail 31a and the moving rail 31b is integrated beforehand, The clearance between the rails can be set to a minimum.

Furthermore, the left and right rail members 31 fixed to the both side wall surfaces of the inner box 20 and the second partition have a symmetrical shape, and exhibit better sliding performance by providing both left and right.
Moreover, the rail member 31 fixed to the 1st partition may be made into the refrigerator depth direction, and the rail moving direction may not be left-right symmetric.

  The container 32 of each storage chamber is supported by the moving rail 31b of the rail member 31 after fixing the rail member 31 to the inner box 20, and is moved back and forth together with the moving rail 31b in synchronization with the drawer of each storage chamber door in the depth direction of the refrigerator 18. The container 32 is detachable in the upward direction when it is moved and each storage chamber door is at least fully opened.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, when each storage room drawer door is pulled out, the moving rail 31b of the rail member 31 and the intermediate traveling rail 31c provided on both sides of each storage room are smoothly moved to the near side by rotating the rotation support member 31d. Slide.

  Accordingly, the container 32 supported by the rail member 31 is also pulled out to the front, and the object to be cooled stored in the container 32 can be taken out and a new object to be cooled can be stored.

  As described above, according to the present embodiment, the clearance between the fixed rail 31a and the movable rail 31b is fixed by fixing the rail member 31 in which the fixed rail 31a and the movable rail 31b are preliminarily assembled to both side walls of the inner box 20. It can be made small, and a high-quality drawer with little backlash can be configured. Further, by supporting the fixed rail 31a and the moving rail 31b with a bearing 31d as a rotation support member, the moving rail 31b can move smoothly even when a load is applied to the container 32, so that the operation force of the drawer is reduced. Can improve usability.

  Conventionally, the second partition 23 a is separate from the heat insulation box 19, but the foam insulation between the second partition 23 a, the first partition 23, the inner box 20, and the outer box 21 is provided. By filling the material 22 and integrally forming the heat insulating box 19, the strength of the heat insulating box 19 can be increased and the strength of the refrigerator 18 itself can be increased. Moreover, since the container 32 which puts a food directly on the rail member 31 provided in the 1st partition 23 and the 2nd partition 23a is supported, it can respond to a heavier food. Further, since the rail member 31 is fixed to the first partition member 23 and the second partition member 23a on the opposite side of the rail member 31 by the fixing member 33, there is little backlash, for example, the second partition member 23a Even when rail members 31 are provided on the left and right, and the drawer doors are provided on the left and right storage chambers, the gap between the left and right storage chamber doors can be kept constant and minimal, improving the appearance design quality and reducing the door spacing. Regardless of the contact between doors, it is possible to construct and provide a high-quality drawer that is easy to use and can be opened and closed smoothly with little rattling.

  In addition, by providing the intermediate traveling rail 31c, it is possible to increase the pull-out allowance of the moving rail 31b of the rail member 31, so that it can be pulled out to the inner part of the container 32, and can be overlooked to the inner part of the container 32, It is possible to prevent loss due to forgetting to use the object to be cooled in the container 32, or to remove and clean the container 32 from the rail member 31, so that it can be removed and cleaned, and food storage capacity is increased to improve usability. be able to.

  In the present embodiment, the rail member 31 and the container 32 are shared by the vegetable compartment 26 and the freezer compartment 27. Cost reduction and reliability improvement can be achieved.

  In addition, in this Embodiment, although what used the rail member 31 for the vegetable compartment 26 and the freezer compartment 27 demonstrated, it can apply suitably to the storage room provided with the drawer container. For example, you may use for the ice-making room 24 etc. which adjoined the vegetable room 26 side.

  As described above, the refrigerator according to the present invention integrally foams the partition of the storage chamber with the refrigerator cabinet, so that the food load resistance is increased by the sufficient strength of the partition, the backlash is small, and even when a load is applied to the container Since the drawer can be opened and closed smoothly and the drawer storage can be performed with high quality and ease of use, the drawer can be applied to a drawer for a cooling storage unit equipped with a refrigeration apparatus.

Front view of the refrigerator in Embodiment 1 of the present invention Front view of the refrigerator cabinet with the door of the embodiment removed AA sectional view in FIG. BB sectional view in FIG. Outline assembly diagram of container and rail member of same embodiment Exploded / assembled view of rail member of same embodiment Sectional drawing of the rail member attaching part and fixing member of the embodiment Perspective view of a conventional drawer drawer door Sectional view of the main part of a conventional refrigerator drawer device Sectional view of a conventional refrigerator drawer device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door 2 Frame 3 Movable roller 4 Inner box side wall 5 Fixed rail 6 Fixed roller 9 Frame side surface 12 Groove part 15 Inner case 16 Connection frame 17 Pull-out device 18 Refrigerator 19 Heat insulation box 20 Inner box 21 Outer box 22 Foam insulation 23 1 partition 23a 2nd partition 23b 3rd partition 23c 4th partition 23d 5th partition 24 1st refrigerator compartment 24a 2nd refrigerator compartment 24b refrigerator compartment door 24c refrigerator compartment door 25 ice making Chamber 25a Ice making room door 26 Vegetable room 26a Vegetable room door 27 Freezer room 27a Freezer room door 31 Rail member 31a Fixed rail 31b Moving rail 31c Intermediate running rail 31d Bearing 32 Container 33 Fixed member

Claims (5)

  An inner box, an outer box, a first partition that partitions the inner box up and down, and a second partition that partitions the inner box provided between the first partition and the lower part of the inner box into the left and right In a refrigerator comprising a body, a heat insulation box having a front opening formed of a foam heat insulating material integrally filled in the first partition and the second partition, between the inner box and the outer box, A refrigerator characterized in that a drawer door is provided in one or both of the left and right storage rooms partitioned by the second partition.   An inner box, an outer box, a first partition that partitions the inner box up and down, and a second partition that partitions the inner box provided between the first partition and the lower end of the inner box from side to side A refrigerator comprising a body and a heat insulating box having a front opening formed between the inner box and the outer box and a foamed heat insulating material that is integrally filled in the first partition, and is partitioned by the second partition A refrigerator having a drawer door that allows a container provided in the storage chamber to be moved back and forth using a rail member including a fixed rail and a moving rail on one side or both sides of the storage chamber.   The refrigerator according to claim 2, wherein the rail member is provided in the second partition.   A fixing member is provided on the opposite side of the rail member across the second partition, and after the fixing member is installed on the second partition, heat insulation foaming is performed only on the inner box, the outer box, and the first partition. The refrigerator according to claim 2 or 3, which is filled with an agent.   A fixing member is provided on the opposite side of the rail member across the second partition, and after the fixing member is installed on the second partition, the inner box and the outer box, the first partition and the second The refrigerator according to claim 2, wherein the refrigerator is integrally foamed with the partition body.

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