JP2015140985A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator which can easily perform positioning in a front and rear direction of a storage case without adding a notch and a mounting component to a frame, and which does not deform even for the storage case with a large volume.SOLUTION: A refrigerator includes: a heat insulation box body having an opening in front; a storage chamber formed by partitioning the heat insulation box body; a drawer type door 10 having a pair of side frames 12 provided at a back surface for closing the opening of the storage chamber by extending to the depth side of the storage chamber and a rear frame 14 for connecting both one end parts of the pair of side frames 12; and a storage case 13 which moves together with the pair of side frames 12 and the rear frame 14 according to the front and back movement of the drawer type door 10, and which has an opening on a top surface. The storage case 13 includes a rear flange part 132a which is formed by protruding outward from an upper end part of a depth wall 132 and extending downward, and the rear frame 14 is arranged on the inner side of the rear flange part 132a.

Description

  The present invention relates to a refrigerator in which a drawer-type door is provided in a storage room.

  The refrigerator-type door includes a door body, a pair of frames that are fixed to the inner plate of the door body and project to the back side of the storage chamber, a rear frame that suppresses bending between the pair of frames, and a pair of frames. And a storage case that is held in and out of the storage chamber by moving the door body back and forth. This conventional pull-out door has a convex portion protruding from the inner plate of the door body in the direction of the storage chamber so that the flange portion of the storage case can be placed on the pair of frames and the bottom surface of the storage case can be supported. It is held by engagement means constituted by an engagement surface with a convex portion provided on the bottom surface of the storage case. Further, the movement of the storage case is restricted by positioning means formed by a protruding piece provided on the flange portion of the storage case and a notch provided in the pair of frames, thereby suppressing the deflection of the storage case and positioning. (For example, refer to Patent Document 1).

JP 2010-281542 A

  In the conventional drawer-type door of the refrigerator, when restricting the movement of the storage case in the front-rear direction, mounting parts are provided on the inner plate, so the number of parts is large and the storage case is not easily attached and detached. In addition, there are some cases in which a cutout is provided in the frame and the storage case is attached by inserting a protruding piece provided in the storage case. However, if a part of the storage case is engaged with the cutout, the strength of the frame When the storage case has a large volume, the frame may be deformed. Further, in this case, the right and left balance of the pair of frames cannot be achieved, and when the storage case is lifted, the flange portion is not hooked, which may cause the storage case to rattle.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a refrigerator in which the storage case can be easily positioned in the front-rear direction and is not deformed even in a large-capacity storage case. To do.

  The refrigerator according to the present invention is provided with a heat insulating box having an opening on the front surface, a storage chamber formed by partitioning the inside of the heat insulating box, and a back surface that closes the opening of the storage chamber, extending to the back side of the storage chamber. A pull-out door having a rear frame connecting both the pair of side frames and one end of the pair of side frames, and the front-and-rear movement of the pull-out door moves together with the pair of side frames and the rear frame. And a storage case having an opening on the upper surface, the storage case including a rear flange portion that protrudes outward from the upper end portion of the back wall and extends downward, and a rear frame is disposed inside the rear flange portion. Has been placed.

  According to the present invention, the rear flange portion is formed so as to protrude outward from the upper end portion of the back wall of the storage case and extend downward, and the rear frame is disposed inside the rear flange portion. With this configuration, it is possible to easily position the storage case in the front-rear direction without providing a notch in the side frame as in the prior art. In addition, since the strength is increased as compared with the frame having the notch, even in a storage case having a large volume, the side frame is not deformed by the load, and the storage case is not rattled.

FIG. 3 is a front view of the refrigerator according to the first embodiment. The side view by the side of a drawer-type door among the refrigerators shown in FIG. The perspective view which shows the structure of the drawer-type door of the vegetable compartment of FIG. The principal part perspective view of the drawer-type door which shows the state which removed the storage case of FIG. The principal part sectional drawing which shows the drawer-type door of the vegetable compartment of FIG. 2 seeing from arrow AA direction. The expanded side view of the a section shown in FIG. The principal part sectional drawing which shows the drawer-type door of the vegetable compartment of FIG. 1 seeing from arrow BB direction. The expanded side view of the b section shown in FIG. The perspective view which shows the structure of the drawer-type door of the refrigerator which concerns on Embodiment 2. FIG. The principal part perspective view of the drawer-type door which shows the state which removed the storage case of FIG. The principal part sectional drawing which shows the drawer-type door of the switching chamber of FIG. 2 seeing from arrow CC direction. The expanded side view of the c section shown in FIG. Sectional drawing which shows the drawer-type door of the switching chamber of FIG. 1 seeing from the arrow DD direction. FIG. 14 is an enlarged front view of a portion d shown in FIG. 13.

Embodiment 1 FIG.
FIG. 1 is a front view of the refrigerator according to the first embodiment. The refrigerator in FIG. 1 is also applied to the second embodiment, and arrow DD shown in the drawing will be described in the second embodiment.
A refrigerator 1 shown in FIG. 1 includes a refrigerator compartment 3, an ice making chamber 4 and a switching chamber 5 provided side by side in the left-right direction of the heat insulation box 2, a freezer compartment 6, vegetables, and the like in the heat insulation box 2. The chamber 7 is provided as a storage chamber. The refrigerator compartment 3 is provided with a double door 8 that can be opened and closed, and the ice making chamber 4, the switching chamber 5, the freezer compartment 6, and the vegetable compartment 7 are provided with a drawer door 10 that can be opened and closed freely. Yes.

  The refrigerating room 3 is a storage room that maintains a temperature at which the contents are not frozen, and the ice making room 4 is a storage room in which an ice making machine is provided and ice produced by the ice making machine is stored. The switching room 5 is a storage room in which the temperature zone can be switched according to the application, and the freezing room 6 is a storage room set in the freezing temperature zone. The vegetable room 7 is a storage room mainly for the purpose of storing vegetables. In FIG. 1, the vegetable compartment 7 is provided under the freezer compartment 6, but the vegetable compartment 7 may be provided under the ice making compartment 4 and the switching compartment 5, and the freezer compartment 6 may be provided under the vegetable compartment 7.

  The heat insulation box 2 is filled with a space between an outer box having an opening on the front surface, a storage chamber defined by a partition wall, an inner box fitted into the outer box from the opening of the outer box, and the outer box and the inner box. Insulated material such as urethane foam.

Next, the structure of the drawer type door 10 of the refrigerator 1 which concerns on embodiment is demonstrated.
2 is a side view of the refrigerator type door side of the refrigerator shown in FIG. 1, FIG. 3 is a perspective view showing the configuration of the drawer type door of the vegetable compartment in FIG. 1, and FIG. 4 is a state in which the storage case of FIG. The main part perspective view of the drawer type door to show, FIG. 5 is principal part sectional drawing which sees the drawer type door of the vegetable compartment of FIG. 2 from arrow AA, FIG. 6 is an enlarged front view of the part a shown in FIG. 7 is a cross-sectional view of an essential part of the vegetable compartment of FIG. 1 as viewed from the direction of arrow BB, and FIG. 8 is an enlarged side view of part b shown in FIG. Arrow CC shown in FIG. 2 will be described in the second embodiment.

  As shown in FIGS. 3 and 4, the pull-out door 10 is a rectangular parallelepiped box 11 a filled with a heat insulating material such as urethane foam, the back of the box 11 a, and the heat insulation filled in the box 11 a. A door body 11 made of an inner plate 11b or the like for concealing the material, a gasket 15 attached to the peripheral edge of the inner plate 11b, and fixed to both ends in the left-right direction of the inner plate 11b. A pair of side frames 12 projecting to the back side of the chamber 7, a rear frame 14 connecting each one end portion of the pair of side frames 12 on the back side of the vegetable chamber 7, and each of the pair of side frames 12 A movable roller 16 rotatably attached by a fixing tool 12c such as a screw and a storage case 13 detachably installed on the pair of side frames 12 and the rear frame 14 are provided on the outer surface of one end. The aforementioned gasket 15 seals the gap between the door body 11 and the heat insulating box 2 when the pull-out door 10 is closed.

  As shown in FIGS. 5 and 6, the pair of side frames 12 is formed of a U-shaped metal plate facing the open side on the inner wall 2 a (inner box) in the horizontal direction of the vegetable compartment 7. . By making the cross-section of the side frame 12 U-shaped, the rigidity against the vertical and horizontal forces received from the storage case 13 is enhanced. As shown in FIG. 4, the pair of side frames 12 is fixed to the inner plate 11 b of the door body 11 through a fixing plate 12 a provided at the other end portion on the door body 11 side. The fixing plate 12a is fixed to the inner plate 11b by a fixing tool 12b such as a screw. A rail 17 that guides the movable roller 16 of the side frame 12 is fitted in the left and right inner wall 2 a of the vegetable compartment 7.

  As shown in FIGS. 7 and 8, the rear frame 14 is a metal bar having a circular cross section, and both sides thereof are bent to the heel side of the vegetable compartment 7 and fixed to the side frame 12 at the tip. A flat plate-shaped fixing plate 14a is formed. The fixing plate 14a is fixed to the side frame 12 by a fixing tool 14b such as a screw. The rear frame 14 is provided to prevent bending of the pair of side frames 12 and to support the back wall 132 of the storage case 13.

  As shown in FIG. 3, the storage case 13 is formed in a box shape with an upper surface opened, and a side flange portion is formed on the upper end portion of the lateral side wall 131 of the storage case 13 when the pull-out door 10 is viewed from the front. A rear flange portion 132 a is provided at the upper end portion of 131 a and the back wall 132. Furthermore, a plurality of ribs 18a are provided in the depth direction of the side wall 131 on the upper outer wall of the side wall 131 of the storage case 13 (see FIGS. 5 and 6), and the upper outer wall of the rear wall 132 of the storage case 13 is A plurality of ribs 18b are provided in the left-right direction of the wall 132 (see FIG. 3).

  As shown in FIGS. 5 and 6, the side flange 131a of the side wall 131 extends from the upper end of the side wall 131 at a right angle to the outside and extends downward at a right angle, and further extends to the outside at a right angle again. After the mounting surface 131b to be mounted on the upper surface of the side frame 12 is formed, it is formed to extend downward at a right angle again. That is, the side flange portion 131a has an S-shaped cross section. Due to the shape of the side flange portion 131a, a quadrangular groove portion 131c having an open bottom is formed. As shown in FIGS. 7 and 8, the rear flange portion 132 a of the back wall 132 is formed to extend outward from the upper end portion of the back wall 132 at a right angle and to extend downward at a right angle. That is, the rear flange portion 132a is formed in a C shape having a cross-sectional shape with the back wall 132 and having an opening downward.

  As shown in FIGS. 5 and 6, the ribs 18a on the side wall 131 side are formed in a quadrilateral shape so that the upper portion closes the surface in the axial direction of the groove 131c formed by the side flange portion 131a. And extends downward along the side wall 131 of the storage case 13. That is, the rib 18a is formed integrally with the side wall 131 and the side flange portion 131a of the storage case 13, and the lower end surface 181a of the rib 18a in the groove portion 131c is sideways together with the mounting surface 131b of the side flange portion 131a. It is in a state of being placed on the upper surface of the frame 12.

  Further, as shown in FIGS. 7 and 8, the rib 18b on the back wall 132 side is formed on the upper outer wall of the back wall 132 so as to extend downward from the corner of the rear flange portion 132a. The rib 18b is formed integrally with the back wall 132 of the storage case 13 and the rear flange portion 132a.

  As shown in FIG. 4, the storage case 13 described above is inserted and attached from above into a space surrounded by the inner plate 11 b, the pair of side frames 12, and the rear frame 14. When the storage case 13 is attached, the side flange 131a provided at the upper end of the side wall 131 is placed on the pair of side frames 12 together with the ribs 18a, and the rear provided at the upper end of the back wall 132. The flange portion 132 a is placed on the rear frame 14. Thereby, the position shift of the storage case 13 in the left-right direction is suppressed, and the position shift of the storage case 13 in the front-rear direction is suppressed.

  In addition, the storage case 13 has increased rigidity due to the side flange portion 131a and the rear flange portion 132a and the ribs 18a and 18b provided on the upper outer wall of the side wall 131 and the upper outer wall of the rear wall 132, respectively. It has been. For this reason, the deformation | transformation by the load of things, such as vegetables accommodated in the storage case 13, is suppressed.

  As described above, according to the first embodiment, not only the lateral displacement of the storage case 13 is suppressed by the pair of side frames 12 but also the rear frame 14 is provided with a notch in the frame as in the conventional case. In addition, the storage case 13 can be easily positioned in the front-rear direction without adding parts such as a fixture, and displacement can be suppressed.

  In addition, since the rear flange portion 132a of the storage case 13 and the rear frame 14 suppress the positional displacement of the storage case 13 in the front-rear direction, it is not necessary to provide a notch or the like in the frame as described above. The strength of the side frame 12 is increased. For this reason, even if the volume of the storage case 13 is increased, the pair of side frames 12 are not deformed by the load, and the bending of the side frames 12 can be suppressed. The backlash can be suppressed.

  In the first embodiment, the pull-out door 10 of the vegetable compartment 7 has been described. However, the pull-out door 10 of the freezer compartment 6 may be applied.

Embodiment 2. FIG.
In the first embodiment, the pair of side frames 12 fixed to the inner plate 11 b of the door body 11 and the rear frame 14 connecting the side frames 12, the upper end of the side wall 131 of the storage case 13 and the rear wall 132. Although the side flange portion 131a and the rear flange portion 132a provided in the portion are supported, the second embodiment is such that the storage case 13 is supported from the bottom surface by a pair of side frames.

  9 is a perspective view showing the structure of the drawer-type door of the refrigerator according to the second embodiment, FIG. 10 is a perspective view of the main part of the drawer-type door showing a state where the storage case of FIG. 9 is removed, and FIG. FIG. 12 is an enlarged side view of the main part of the switching room as seen from the direction of the arrow CC, FIG. 12 is an enlarged side view of part c shown in FIG. 11, and FIG. FIG. 14 is an enlarged front view of a portion d shown in FIG. 13. In the second embodiment, the same reference numerals are given to the same or corresponding parts as in the first embodiment.

  As shown in FIGS. 9 and 10, the pull-out door 10 according to the second embodiment is a door made of a rectangular parallelepiped box 11 a, an inner plate 11 b that conceals the heat insulating material filled in the box 11 a, and the like. 11, a gasket 15 attached to the peripheral edge of the inner plate 11b, a pair of side frames 22 fixed to the lower portions of both ends in the left-right direction of the inner plate 11b, and a switching chamber 5 for the pair of side frames 22 The rear frame 14 that connects the respective one end portions of the rear side of the frame and the movable roller that is provided on the outer surface of each one end portion of the pair of side frames 22 and is rotatably attached together with the rear frame 14 by a fixing tool 12c such as a screw. 16 and a storage case 13 detachably installed on the pair of side frames 22 and the rear frame 14.

  As shown in FIGS. 11 and 12, the pair of side frames 22 is formed of an L-shaped metal plate that is bent at right angles to opposite sides. The pair of side frames 22 are fixed to the inner plate 11b of the door body 11 via a fixing plate 22a provided at the other end portion on the door body 11 side (see FIG. 10). The fixing plate 22a is fixed to the inner plate 11b by a fixing tool 22b such as a screw. As shown in FIGS. 11 and 12, the above-described movable roller 16 is rotatably provided in a rail 17 provided on the inner wall 2 a in the left-right direction of the switching chamber 5.

  As shown in FIG. 13 and FIG. 14, the rear frame 14 is a metal bar having a circular cross section, its both sides are bent downward, and its front end is fixed to the side frame 12 by the fixing tool 12c. It is fixed. The rear frame 14 is provided to prevent the pair of side frames 12 from being bent and to prevent the front and rear of the storage case 13 from being displaced.

  As shown in FIG. 9, the storage case 13 is formed in a box shape with an upper surface opened, and when the drawer-type door 10 is viewed from the front, the height of the side wall 131 in the left-right direction is closer to the inner side than the inner plate 11 b side. It is low. A side flange portion 131 a is provided at the upper end portion of the side wall 131 of the storage case 13, and a rear flange portion 132 a is provided at the upper end portion of the back wall 132. As shown in FIGS. 11 and 12, the side flange portion 131a of the side wall 131 is formed to extend from the upper end portion of the side wall 131 at a right angle outward and further to extend downward at a right angle. A quadrilateral rib 18c is provided inside the side flange portion 131a. A plurality of ribs 18 c are provided in the depth direction of the side wall 131.

  As shown in FIGS. 13 and 14, the rear flange portion 132 a of the back wall 132 is formed to extend outward from the upper end portion of the back wall 132 at a right angle and further to extend downward at a right angle. By the rear flange portion 132a, the above-described rear frame 14 enters a state inside the rear flange portion 132a.

  As shown in FIG. 10, the storage case 13 described above is inserted and attached from above into a space surrounded by the inner plate 11 b, the pair of side frames 22, and the rear frame 14. When the storage case 13 is attached, the corners of the bottom surface in the left-right direction of the storage case 13 are supported by the pair of side frames 22. In addition, the rear frame 14 enters the inner side of the rear flange portion 132 a provided at the upper end portion of the back wall 132 of the storage case 13. When the rear frame 14 enters the rear flange portion 132a of the back wall 132, the positional displacement of the storage case 13 in the front-rear direction is suppressed.

  In addition, the storage case 13 has enhanced rigidity due to the aforementioned side flange portion 131a and rear flange portion 132a, and the rib 18c provided inside the side flange portion 131a. For this reason, the deformation | transformation by the load of things, such as vegetables accommodated in the storage case 13, is suppressed.

  As described above, according to the second embodiment, the corner portion of the bottom surface of the storage case 13 is supported by the L-shaped side frame 22 and the lower portion of the side wall 131 is sandwiched from the side. 13 can be prevented from being displaced in the left-right direction. In addition, since the rear frame 14 is inserted into the rear flange 132a on the back wall 132 side of the storage case 13, a part such as a fixture is added without providing a notch in the frame as in the prior art. Therefore, the storage case 13 can be easily positioned in the front-rear direction, and displacement can be suppressed.

  In addition, as described above, the positional displacement of the storage case 13 in the front-rear direction is suppressed by the rear flange portion 132a on the back wall 132 side of the storage case 13 and the rear frame 14 without providing a notch or the like in the frame. As a result, the strength of the pair of side frames 12 is increased. For this reason, even if the volume of the storage case 13 is increased, the pair of side frames 12 are not deformed by the load, and the backlash of the storage case 13 due to the bending of the side frames 12 is suppressed. Can do.

  In the second embodiment, the pull-out door 10 of the switching chamber 5 has been described. However, the pull-out door 10 of the ice making chamber 4 may be applied.

  In the first and second embodiments, it is described that the shape of the side flange portion 131a and the rear flange portion 132a is bent at a right angle, but it may not be strictly a right angle. Moreover, although the side frame 12 is U-shaped and the side frame 22 is L-shaped, it is not necessary to be strict.

  DESCRIPTION OF SYMBOLS 1 Refrigerator, 2 Heat insulation box, 2a Inner wall, 3 Refrigeration room, 4 Ice making room, 5 Switching room, 6 Freezer room, 7 Vegetable room, 8 Double door, 10 Drawer door, 11 Door, 11a Box, 11b Inner plate, 12 side frame, 12a fixing plate, 12b, 12c fixing tool, 13 storage case, 131 side wall, 131a side flange portion, 131b mounting surface, 131c groove portion, 132 back wall, 132a rear flange portion, 14 rear Frame, 14a Fixing plate, 14b Fixing tool, 15 Gasket, 16 Movable roller, 17 Rail, 18a, 18b, 18c Rib, 181a Lower end surface, 22 Side frame, 22a Fixing plate, 22b Fixing tool.

Claims (4)

A heat insulating box having an opening on the front surface;
A storage chamber formed by dividing the heat insulation box;
A pull-out type door having a pair of side frames provided on the back side closing the opening of the storage chamber and extending to the back side of the storage chamber, and a rear frame connecting both ends of the pair of side frames; ,
Along with the back and forth movement of the pull-out door, it moves with the pair of side frames and the rear frame, and includes a storage case having an opening on the upper surface.
The refrigerator is characterized in that the storage case includes a rear flange portion that protrudes outward from the upper end portion of the rear wall and extends downward, and the rear frame is disposed inside the rear flange portion.   The refrigerator according to claim 1, wherein the rear flange portion is in contact with the rear frame.   The storage case protrudes outward from the upper end portion of the side wall in the left-right direction of the storage case when viewed from the front and extends downward, and is placed on the pair of side frames, respectively. The side flange part formed in this and the some rib mounted on a pair of said side frame inside the said side flange part are provided, The Claim 1 or 2 characterized by the above-mentioned. refrigerator.   2. The refrigerator according to claim 1, wherein the pair of side frames are formed so as to support corner portions of a bottom surface in a left-right direction of the storage case when the pull-out door is viewed from the front.

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