JP2006038247A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator of high quality free from rattling, having a drawer of high safety and high quality and small operational force even when the load is added, with respect to the refrigerator comprising a drawer device. <P>SOLUTION: A rail member 31 is composed of a fixed rail 31a, a moving rail 31b, an intermediate rail 31c mounted between the fixed rail 31a and the moving rail 31b, and a plurality of bearings 31d as rotation supporting members for supporting the engagement of the intermediate rail 31c, and the fixed rail 31a and the moving rail 31b. The fixed rail 31a is fixed to both side wall faces of an inner case 20 in a state that the fixed rail 31a, the moving rail 31b, the intermediate rail 31c and the bearings 31d are incorporated in advance, both side faces of the moving rail 31b is covered by a door supporting member 37, the door supporting member 37 has a length corresponding to the total length of the moving rail 31b, and the safety and quality can be improved by increasing the strength. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a refrigerator provided with a drawer device, and more particularly to a support configuration of a drawer rail and a door.

  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. 6 is a perspective view of a drawer-type door of a conventional refrigerator. FIG. 7 is a cross-sectional view of a main part of a conventional refrigerator drawer device. FIG. 8 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 comprised by the case 15 which was made. 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, in the conventional refrigerator, since the frame 2 fixed in advance on the left and right sides of the door 1 is incorporated into the fixed rail 5 attached in advance to the refrigerator body side, the mounting variation of the frame 2 or the fixed rail 5 and assemblability are reduced. In consideration of the above, a certain amount of clearance is set between the rail and the roller in the assembled state. Due to this clearance, left and right rattling occurs when the door 1 is opened and closed, and there is a problem that the operability is impaired and the quality during operation is not improved.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide a refrigerator having a high quality with little backlash and an easy-to-use drawer with a small operating force even when a load is applied.

  In order to solve the above-described conventional problems, the refrigerator of the present invention is provided with rail members on the left and right that allow a container provided therein to move back and forth, and the rail members include a fixed rail, a moving rail, and an intermediate rail. The fixed rail, the moving rail, and the intermediate rail are each supported by a rotation support member and fixed to the heat insulating box with the fixed rail, the moving rail, and the intermediate rail pre-installed, and the moving rail closes the refrigerator. The door support member fixed to the door covers the both sides of the outer side surface side and the inner side surface side of the moving rail over substantially the entire length, is arranged in a substantially U shape, and supports the container with the door support member. .

  As a result, the clearance between the fixed rail and the movable rail can be reduced, a high-quality drawer with little backlash can be configured, and the strength of the configuration of the rail member and the door support member itself can be increased.

  The refrigerator of the present invention has a small backlash and can smoothly open and close the drawer even when a load is applied to the container. Further, the container itself can be supported stably by increasing the strength of the configuration of the rail member and the door support member. High-quality and easy-to-use drawer storage can be configured.

  Invention of Claim 1 is equipped with in the inside in the refrigerator provided with the heat insulation box which has a front opening part which consists of an inner box, an outer box, and the foam heat insulating material with which the said inner box and the outer box were filled. Rail members that allow the container to move back and forth are provided on the left and right sides, and the rail members have a fixed rail, a moving rail, and an intermediate rail, and the fixed rail, the moving rail, and the intermediate rail are supported by rotation support members, respectively. The fixed rail, the moving rail, and the intermediate rail are preliminarily assembled to the heat insulating box, and the door supporting member fixed to the door that closes the refrigerator on the moving rail extends over the entire length of the moving rail on the outer side of the moving rail. By covering both sides of the inner side of the cabinet and arranging the container in a substantially U shape and supporting the container with the door support member, the clearance between the fixed rail and the moving rail can be reduced, and there is little backlash. It is possible to construct a high-quality drawer, increased strength of the structure itself of the rail member and the door support member can be achieved, it is possible to configure a user-friendly drawer housed in high quality.

  The invention according to claim 2 is the invention according to claim 1, wherein the interior side surface side of the door support member disposed on the moving rail is configured as a separate part, and the shape of the door support member is simple. Can be provided at low cost.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the rear end of the door support member is located behind the front opening of the refrigerator in a state where the door is pulled out, and the door support member The rear end of the door support member is located behind the front end of the intermediate rail in the pulled-out state, and safety improvement such as prevention of finger jamming between the moving rail and the front opening of the refrigerator can be achieved. In addition, the door support member is configured to be positioned behind the front end of the intermediate rail so that the movable rail is sandwiched between the door support member and the intermediate rail, and covers the strength of the movable rail, thereby supporting the door. The strength of the structure of the members and rail members can be increased.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the door support member has its rear portion locked to the moving rail projection and is screwed to the moving rail at the front portion. Therefore, the attachment and detachability of the door support member and the rail member can be simplified.

  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 longitudinal sectional view of a refrigerator according to Embodiment 1 of the present invention, FIG. 2 is an enlarged view of a main part of FIG. 1, FIG. 3 is a sectional view taken along line AA in FIG. 1, and FIG. FIG. 5 is an exploded view of the rail member, and FIG. 5 is a cross-sectional view of the rail member of the refrigerator according to the embodiment.

  1 to FIG. 5, a heat insulating box 19 of a refrigerator 18 is filled with a foam heat insulating material 22 between an inner box 20 and an outer box 21, has a front opening 19a, and partition walls 23, 23a. , 26 form a refrigerator compartment 24, a switching chamber 25, a vegetable compartment 27, and a freezing compartment 28 from above.

  Moreover, the both sides | surfaces of the partition wall 26 have the opening part 26a, and the partition wall 26 is filled with the foam heat insulating material 22 similarly to the heat insulation box 19. FIG.

  The vegetable compartment 27 and the freezer compartment 28 are respectively closed at the front opening 19a by a vegetable compartment door 29 and a freezer compartment door 30, and the vegetable compartment 27, the vegetable compartment door 29, the freezer compartment 28, and the freezer compartment door 30 are respectively. By being connected by the rail member 31, it can be drawn and slid in the front-rear direction.

  The rail member 31 supports the engagement of the fixed rail 31a, the movable rail 31b, the intermediate rail 31c provided between the fixed rail 31a and the movable rail 31b, and the intermediate rail 31c, the fixed rail 31a, and the movable rail 31b. The fixed rail 31a is fixed to both side walls of the inner box 20 with the fixed rail 31a, the moving rail 31b, the intermediate rail 31c, and the bearing 31d pre-installed. The rails 31 b are fixed to door support members 37 attached to the respective drawer doors 29 and 30, thereby connecting the respective storage chambers and the drawer doors 29 and 30.

  The drawer door 30 has a foam insulation 22 filled between a drawer door inner plate 34 and a drawer door outer plate 35. A door reinforcing plate 36 is attached to the drawer door inner plate 34, and a door support member 37 is attached. Installation is fixed. The door support member 37 fixes the outer side surface side 38 of the moving rail 31b and the separate member 38a with screws and covers both side surfaces of the inner side surface 38b, and the rear end 39 of the door supporting member is substantially the same as the rear end of the moving rail 31b. The length is set to the same position, and the rear end 39 of the door support member has a positional relationship behind the front opening 19a of the refrigerator.

  Further, the rear end 39 of the door support member is set to be located behind the front end 40 of the intermediate rail. Further, the door support member 37 is secured to the moving rail projection 41 at the rear end, and fixed at the front end with the moving rail 31b and the screw 42.

  In addition, the rail member 31 which consists of the fixed rail 31a, the movable rail 31b, and the intermediate rail 31c arrange | positioned via the bearing 31d between the fixed rail 31a and the movable rail 31b is integrated beforehand, and each rail The clearance between them 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 have a symmetrical shape, and exhibit better slidability by providing both left and right.

  The container 32 of each storage chamber is supported by a door support member 37 fixed to the moving rail 31b after the rail member 31 is fixed to the inner box 20, and the moving rail 31b is synchronized with pulling out each storage chamber door in the front-rear direction. At the same time, the container 32 is detachable in the upward direction when at least fully opening each storage chamber door.

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

  First, when each storage room 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 slid toward the front side as the rotation support member 31d rotates. Move.

  Along with this, the container 32 supported by the moving rail 31b of the rail member 31 and the door support member 37 fixed to the rail member 31 is also pulled out to the near side, and the object to be cooled and the new object to be cooled stored in the container 32 are taken out. Storage is possible.

  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.

  Further, the door support member 37 covers both the side surface 38b of the moving rail 31b and the other side 38b of the moving rail 31b, which is fixed with screws, the length of the door supporting member 37 is substantially the same as that of the moving rail 31b. When the drawer is pulled out, the rear end 39 of the door support member is set to be positioned rearward of the front end 19a of the intermediate rail and the front opening 19a of the refrigerator, so that a drawer excellent in safety and appearance quality can be configured. it can.

  Further, since the door support member 37 is secured to the moving rail projection 41 at the rear end and fixed at the front end with the moving rail 31b and the screw 42, the door support member 37 and the rail member 31 can be easily attached and detached. Can provide a structure with excellent assemblability.

  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, Loss due to forgetting to use the object to be cooled in the container 32 can be prevented, and the container 32 can be easily attached to and detached from the door support member 37 fixed to the moving rail 31b of the rail member 31. Can do.

  In the present embodiment, the vegetable member 27 and the freezer compartment 28 are described as using the rail member 31, but can be appropriately applied to a storage room provided with a drawer container. For example, you may use for the switching room 25 located in the upper part of the vegetable compartment 27, the ice making room (not shown) attached to the side of the switching room 25, etc.

  As described above, the refrigerator according to the present invention is small in play, can open and close smoothly even when a load is applied to the container, and has a high-quality and easy-to-use drawer storage. It can also be applied to applications such as a cooling storage drawer.

The longitudinal cross-sectional view of the refrigerator in Embodiment 1 of this invention 1 is an enlarged view of the main part of FIG. AA sectional view of FIG. An exploded view of the rail member of the refrigerator of the same embodiment Sectional drawing of the rail member of the refrigerator 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

18 Refrigerator 19 Heat insulation box 19a Front opening 20 Inner box 21 Outer box 22 Foam insulation 31 Rail member 31a Fixed rail 31b Moving rail 31c Intermediate rail 31d Bearing 32 Container 37 Door support member 38 Outer side 38a Separate member 38b Warehouse Inner side surface 39 Door support member rear end 40 Intermediate rail front end 41 Moving rail protrusion 42 Screw

Claims (4)

  In a refrigerator having a heat insulation box having a front opening made of an inner box, an outer box, and a foam heat insulating material filled between the inner box and the outer box, the container provided inside can be moved back and forth. Rail members are provided on the left and right sides, and the rail members have a fixed rail, a moving rail, and an intermediate rail, and the fixed rail, the moving rail, and the intermediate rail are supported by rotation support members, respectively. The door support member fixed to the door that closes the refrigerator on the moving rail is attached to the moving rail, and the both sides of the moving rail on the outer side surface side and the inner side surface side of the moving rail are fixed to the moving rail. A refrigerator having a substantially U-shaped cover and supporting the container with the door support member.   The refrigerator according to claim 1, wherein the interior side surface side of the door support member disposed on the moving rail is configured as a separate part.   The rear end of the door support member is positioned behind the front opening of the refrigerator when the door is pulled out, and the rear end of the door support member is positioned behind the front end of the intermediate rail when the door is pulled out. The refrigerator according to claim 1 or 2 characterized by things.   The refrigerator according to any one of claims 1 to 3, wherein the door support member has a rear portion locked to the moving rail protrusion and is screwed to the moving rail at the front portion.

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