JP3900201B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator provided with a drawer device, and more particularly to a support structure 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 above conventional refrigerator, the frame 2 fixed in advance on the left and right sides of the door 1 is incorporated into the fixed rail 5 that is attached in advance to the refrigerator body side. 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 conventional problems, a heat insulating 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, and formed in the heat insulating box A storage chamber, a container provided inside the storage chamber, a rail member that allows the container to move back and forth, a foam insulating material filled between an inner plate, an outer plate, and the inner plate and the outer plate. A fixed rail supported by a rotation support member, a moving rail, and an intermediate rail provided between the fixed rail and the moving rail. , the fixed rail is fixed to each side wall of the insulating box body, said moving rail being connected to the door and fixed overlap the door support member extending into the storage compartment side, the door support member is a door In the pulled out state, the rear end is more than the front end of the intermediate rail Located towards the formed so as to sandwich the moving rail in the door support member and the intermediate rail in the vertical direction, in which supporting the container to allow moving the container back and forth.

  Thereby, the strength of the configuration of the rail member and the door support member itself can be increased, and further, the container can be supported stably by configuring the receiving surface of the entire container.

  Further, the clearance between the fixed rail and the movable rail can be reduced, and a high-quality drawer with little play can be configured.

  Furthermore, by taking the form in which the moving rail is sandwiched between the door support member and the intermediate rail and covering the strength of the moving rail, the strength of the structure of the door support member and the rail member itself can be increased.

  The refrigerator of the present invention has a small play, can open and close the drawer smoothly even when a load is applied to the container, and can constitute a drawer storage with high quality and high usability.

The invention according to claim 1 is formed in the heat insulation box, and 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. A storage chamber, a container provided inside the storage chamber, a rail member that enables the container to move back and forth, and an inner plate, an outer plate, and a foam heat insulating material filled between the inner plate and the outer plate. The rail member is pre-assembled with a fixed rail supported by a rotation support member, a moving rail, and an intermediate rail provided between the fixed rail and the moving rail , It said fixed rail is fixed to each side wall of said heat-insulating main body, wherein which the moving rail is connected to the door the overlap the door support member extending fixed to the storage compartment side, the door support member is pulled out door In this state, the rear end is positioned behind the intermediate rail front end. And, wherein the so formed as to sandwich the moving rail in the door support member and the intermediate rail in the vertical direction, which supports the container to allow moving the container back and forth, the rail member and the door support member The strength of the structure itself can be increased, and the container can be supported stably by forming the receiving surface of the entire container.

  Further, the clearance between the fixed rail and the movable rail can be reduced, and a high-quality drawer with little play can be configured. In addition, by supporting the fixed rail and the moving rail with a rotation support member, even when a load is applied to the container, the moving rail can move smoothly, so the operation force of the drawer can be reduced and the usability is improved. I can plan.

  Furthermore, by taking the form in which the moving rail is sandwiched between the door support member and the intermediate rail and covering the strength of the moving rail, the strength of the structure of the door support member and the rail member itself can be increased.

  According to a second aspect of the present invention, in the first aspect of the present invention, the door support member is configured such that a rear end is locked to the moving rail projection and a screw is fixed to the moving rail at the front end. Attachment and detachability of the support member and the rail member can be facilitated.

  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 along AA in FIG. 1, and FIG. FIG. 5 is a sectional view of the rail member of the refrigerator according to the embodiment.

  1 to 5, the heat insulating box 19 of the 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 compartment 25, a vegetable compartment 27, and a freezer 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 the vegetable compartment door 29 and the 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. Each storage chamber and the drawer door 29 are connected by fixing the rail 31 b to a door support member 37 attached to each drawer door 29.

  The drawer door 29 has a foam insulating material 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 has a substantially U-shape that covers the outer side surface 38 of the moving rail 31b, and the door support member rear end 39 is set to a length that is substantially the same position as the rear end of the moving rail 31b. The rear end 39 of the door support member is positioned behind the front opening 19a of the refrigerator when the drawer door 29 is pulled forward. The door support member 37 is provided over substantially the entire length of the moving rail 31b.

  Further, the rear end 39 of the door support member is set to be positioned rearward of the front end 40 of the intermediate rail 31c when the drawer door 29 is pulled forward. Further, the door support member 37 is locked to the moving rail protrusion 41 at the rear end, and is 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 sliding performance by providing both left and right.

  After the rail member 31 is fixed to the inner box 20, the container 32 of each storage chamber is supported by the door support member 37 fixed to the moving rail 31b, 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 upward when the storage chamber doors are 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 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 slide smoothly toward the front side as the rotation support member 31d rotates. Move.

  Along with this, the container 32 supported by the rail member 31 is also pulled out to the front, so that 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.

  Further, the door support member 37 is provided over substantially the entire length of the moving rail 31b, and by supporting the container 32 with the door support member 37, the strength of the configuration of the rail member and the door support member itself can be increased, and further, the receiving of the entire container can be achieved. Stable container support can be achieved by configuring the surface.

  Further, since the rear end 39 of the door support member is positioned behind the front opening 19a of the refrigerator when the drawer door 29 is pulled out to the front, the finger between the moving rail 31b and the front opening 19a of the refrigerator Stuffing can be prevented and safety can be improved.

  Moreover, since the door support member 37 is substantially U-shaped so as to cover the outer side surface side 38 of the moving rail 31b, the safety is improved to prevent finger damage on the rail member, and the rail member is difficult to see. Thus, the appearance design can be improved.

  Further, since the rear end 39 of the door support member is set to be positioned rearward of the front end 40 of the intermediate rail 31c when the drawer door 29 is pulled out to the forefront, the movable rail is sandwiched between the door support member and the intermediate rail. By taking the shape and covering the strength of the moving rail, the strength of the door support member and the rail member itself can be increased.

  Further, since the door support member 37 is locked to the moving rail projection 41 at the rear end and is fixed by the moving rail 31b and the screw 42 at the front end, the door support member 37 and the rail member 31 can be attached and detached. Can be made easier.

  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 rail member 31, so that the usability can be improved.

  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 26, 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 surface 39 door support member rear end 40 Intermediate rail front end 41 Moving rail protrusion 42 Screw

Claims (2)

An inner box, an outer box, a heat insulating box having a front opening made of a foam heat insulating material filled between the inner box and the outer box, a storage chamber formed in the heat insulating box, and the storage chamber A rail member that includes a container provided inside, a rail member that enables the container to be moved back and forth, and a door that includes an inner plate, an outer plate, and a foam heat insulating material filled between the inner plate and the outer plate, and the rail member. Includes a fixed rail supported by a rotation support member, a moving rail, and an intermediate rail provided between the fixed rail and the moving rail, and the fixed rail is attached to the heat insulating box body. The movable rail is fixed to both side walls, and the movable rail is fixed to overlap with a door support member that is connected to the door and extends toward the storage chamber. positioned behind the front end, the door support member and the front Is formed so as in the intermediate rail to sandwich the moving rail in the vertical direction, a refrigerator which enables moving the container back and forth to support the container.   The refrigerator according to claim 1, wherein the door support member has a rear end locked to the moving rail protrusion and is screwed to the moving rail at the front end.

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