JP4358243B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator, and more particularly to an upper case drawer mechanism in a drawer door having upper and lower two-stage cases.

FIG. 9 is a front view showing the upper case drawer structure of the upper and lower two-stage case structure in the drawer door of the conventional refrigerator, FIGS. 10 and 11 are longitudinal sectional views of the drawer door portion of the conventional refrigerator, and FIGS. It is sectional drawing of the upper part case sliding roller part of the drawer | drawer door part of this refrigerator.
In the figure, 1 is a refrigerator body, 2 is a refrigerator inner box, 3 is a plastic molded rail attached to a pair of side walls of the inner box 2, 4 is a roller attached to the rail 3, 5 is a drawer door, 6 Is the inner plate of the drawer door 5, 6 a is a recess for a cool air circulation air passage for cooling the inside of the drawer door, 7 is a frame for pulling out the drawer door 5, and 8 and 9 are partitioned by the drawer door 5. A food storage case arranged in two upper and lower stages in the cabinet, 8 is an upper case, 9 is a lower case, and 8a is a handle for pulling out the upper case.

  10 is a frame attached to the inside of the left and right flanges at the upper side of the upper case 8, 11 is a sliding roller attached to the rear lower part of the frame 10, 12 is an attachment for fixing the sliding roller 11, and 13 is a drawer Slide rollers 14 attached to the frame 7 of the door 5, 14 guide rails for the rollers 13 attached to both side walls of the inner box 2, and 15 rollers attached to the rails 14.

Since the case drawer mechanism in the drawer door of the conventional refrigerator is configured as described above, the load of food stored in the upper case when the drawer door 5 is pulled out and the upper case 8 is pulled forward. The roller 11 provided at the lower rear side of the upper case side, the rail 3 attached to the inner box 2, the frame 10 provided on the side flange of the upper case and the roller 4 attached to the rail 3 (both at the rear of the upper case) It is a cantilever structure that receives a load.
JP-A-01-210792 Japanese Patent Laid-Open No. 62-288475 Japanese Utility Model Publication No. 60-194282 Japanese Patent Laid-Open No. 09-113125 Japanese Patent Application Laid-Open No. 07-332831 Japanese Utility Model Publication No.59-113193 Japanese Utility Model Publication No.59-038863 Japanese Utility Model Publication No. 03-061289

Therefore, the conventional refrigerator requires the strength and the component structure of the components that can withstand the load of the food stored in the upper case, and the number of components is large, which causes a high price.
In addition, the slidability of the upper case also has a problem in that the operability is not good because the upper case needs to be pushed in while being lifted.
In general, foods that are used for a short period of time on the upper case side and foods that are stored for a long time on the lower case are the main uses, and the upper case is used more frequently. When the door is pulled out, only the lower case is pulled forward and the upper case remains behind, so that the upper case is difficult to see and difficult to use.

  The present invention has been made to solve such problems. In the drawer mechanism of the upper and lower two-stage cases in the drawer door, the components in the upper case drawer mechanism are reduced and the price is reduced. The purpose is to improve the storage capacity of the case and the operability of the drawer.

  A refrigerator according to the present invention includes a refrigerator main body, a drawer-type drawer door portion that is provided in the main body and has an upper case and a lower case and is partitioned from the outside by a drawer door, and is provided in the upper case. In the state where the door portion is closed, it is configured to be entirely accommodated in a concave portion provided inside the drawer door portion, and includes a handle portion having an opening portion.

  The refrigerator according to the present invention includes a refrigerator main body, a drawer-type drawer door portion that is provided in the main body and has an upper case and a lower case and is partitioned from the outside by a drawer door, and is provided in the upper case. The storage space of the upper case can be increased by including the handle portion having the opening portion, which is configured to be accommodated in a recess provided inside the drawer door portion in a state where the door portion is closed.

Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings.
1 is a perspective view of an upper case of a drawer door portion of a refrigerator according to Embodiment 1 of the present invention. In the figure, 8 is the upper case, 8a is the handle of the upper case 8 provided at the front of the upper case, 8b is the upper case flange provided at the upper side of the upper case, and 8c is the core formed on the upper case side wall. The character-shaped concave portion, 8f is an opening for circulating cold air provided in the handle portion 8a, 16 is a first sliding roller provided at the front lower portion of the upper case side surface, and 17 is for fixing the first sliding roller 16 A resin-molded lock pin, 18 is a second sliding roller attached to the rear upper portion of the upper case 8 (above the sliding roller 16 provided on the front side surface), and 19 is a second sliding roller. It is a resin-molded lock pin for fixing the moving roller 18.

  FIG. 2 is a longitudinal sectional view of the drawer door portion, and FIG. 3 is a longitudinal sectional view of the drawer door in a state where the drawer door is pulled out. The same or corresponding parts as those of the conventional one are denoted by the same reference numerals and description thereof is omitted. In the figure, 9 is a lower case provided in the drawer door, 9a is a flange portion provided on the upper part of both side surfaces of the lower case 9, and 20 and 21 are integrally formed with the inner box on both side walls of the refrigerator inner box 2. It is the 1st rail convex part and the 2nd rail convex part.

4 is an enlarged front view of the upper case sliding roller portion, and FIG. 5 is an enlarged sectional view of the upper case sliding roller portion. In the figure, 8d is a cylindrical boss having a through-hole 8e in the center on the outer surface of the U-shaped recess 8c, 16a is an inner sliding portion of the first sliding roller 16, and 18a is a second sliding roller. 18 is an inner sliding portion.
Reference numeral 9b denotes a side wall provided at least 1 mm or more apart from the first sliding roller 16 attached to the upper case 8 outside the flange portion 9a of the lower case 9.

  FIG. 6 is a longitudinal sectional view of the drawer door portion, showing a state in which the door is closed, and FIG. 7 is a state diagram in which the door is pulled out. In the figure, reference numeral 23 denotes a convex part projecting downward in front of the ceiling part of the storage room opened and closed by the drawer door 5, and 8g is a convex part projecting upward from the rear part of the flange of the upper case 8 with respect to the door opening / closing direction. They are arranged so as to face each other. Reference numeral 9c denotes a recess disposed in front of the flange portion 9a provided on the upper side surface of the lower case, and the first sliding roller 16 attached to the upper case 8 matches with the door closed.

  FIG. 8 is a perspective view of the ceiling of the storage room as viewed from below. Reference numeral 24 denotes a slit hole provided in the base portion of the convex portion 23 that projects downward in front of the ceiling portion of the storage chamber that is opened and closed by the drawer door 5.

Next, the operation will be described.
The first sliding roller 16 attached to the front side surface of the upper case 8 slides on the lower case flange portion 9 a provided at the upper part of both sides of the lower case 9 and is attached to the rear upper part of the upper case 8. The second sliding roller 18 slides on the first rail protrusion 20 integrally formed with the refrigerator inner box 2 on both side walls of the refrigerator inner box 2, and the upper case flange portion 8b of the upper case 8 is in the refrigerator. The second rail projections 21 formed integrally with the refrigerator inner box 2 are slid on both side walls of the box 2.

  In the state where the drawer door 5 is closed, the handle portion 8a of the upper case 8 is set at the position of the recess 6a of the inner plate 6 of the drawer door 5, and the food storage portion of the upper case 8 can be widened. The opening 8f of the handle portion 8a does not block the cold air circulation air passage.

When the drawer door 5 is pulled out, the upper case 8 matches the first sliding roller 16 attached to the upper case 8 in the recess 9c disposed in front of the flange portion 9a provided on the upper side of the lower case 9. Therefore, it is pulled out together with the lower case 9.
However, the upper case 8 has a convex portion 23 projecting downward in front of the ceiling portion of the storage room and a convex portion 8g projecting upward from the rear portion of the flange of the upper case 8 so as to face each other in the door opening / closing direction. Since it is disposed, it comes into contact and stops immediately before the drawer door 5 is fully opened. That is, the handle 8 a of the upper case 8 is pulled out to the front of the recess 6 a of the inner plate 6 of the drawer door 5.

A side wall 9b is provided outside the flange portion 9a of the lower case 9 and is disposed with a clearance of at least 1 mm from the first sliding roller 16 attached to the upper case 8, thereby suppressing left and right blurring of the upper case. The door can be opened and closed smoothly.
A slit hole 24 is provided at the base of the convex portion 23 projecting downward in front of the ceiling portion of the storage chamber that is opened and closed by the drawer door 5. When the upper case 8 is removed and then set again, the upper case 8 Even if the convex portion 8g on the side is located in front of the convex portion 23 on the ceiling side, a spring function is provided so that the convex portion 8g on the upper case 8 side can be pushed into the rear with a little resistance, and the convex portion 23 on the ceiling side is upward. I can move to.

  When the upper case 8 is removed from the drawer door 5, the upper case flange portion 8b of the upper case 8 serves as a handle and can be removed smoothly in the direction of arrow B in FIG.

  The refrigerator according to the present invention includes a refrigerator main body, a drawer-type drawer door portion provided in the main body, having an upper case and a lower case, partitioned from the outside by a drawer door, and a side near the side of the upper case. A first sliding roller or sliding convex portion that slides on a lower case flange provided on the upper side of the lower case, and a first provided on the main body provided on the rear side of the upper case. A second sliding roller or sliding convex portion that slides on the rail convex portion of the upper case, and a flange portion provided on the upper side of the upper case, and the flange portion is a handle for removing the upper case It is characterized by.

  With such a configuration, the upper case can be easily removed.

  The refrigerator according to the present invention includes a refrigerator main body, a drawer-type drawer door portion provided in the main body, having an upper case and a lower case, partitioned from the outside by a drawer door, and a side near the side of the upper case. A first sliding roller or sliding convex portion that slides on a lower case flange provided on the upper side of the lower case, and a first provided on the main body provided on the rear side of the upper case. A second sliding roller or sliding convex portion that slides on the rail convex portion, a convex portion that projects downward toward the ceiling portion (main body side) of the storage chamber that is opened and closed by the drawer door, and an upper case Protruding upwards at the rear of the flange, another convex part arranged to face the convex part in the door opening and closing direction, and provided on the upper case, with the drawer door closed, on the inside of the drawer door part Configured to fit in the provided recess And a handle portion having an opening, the convex portions abut on each other immediately before the drawer door is fully opened, and the handle portion of the upper case is pulled out to the front of the concave portion of the inner plate of the drawer door. To do.

  With such a configuration, the handle portion can be placed in a very easy-to-use position for normal usability.

  The refrigerator according to the present invention includes a refrigerator main body, a drawer-type drawer door portion provided in the main body, having an upper case and a lower case, partitioned from the outside by a drawer door, and a side near the side of the upper case. A first sliding roller or sliding convex portion that slides on a lower case flange provided on the upper side of the lower case, and a first provided on the main body provided on the rear side of the upper case. A second sliding roller or sliding convex portion that slides on the rail convex portion of the lower case, and a first lower portion provided on the outer side of the lower case flange portion provided on the upper side surface of the lower case and provided on the front side of the upper case. And a side wall disposed with a gap of at least 1 mm or more.

  By comprising in that way, the left-right blur of an upper case can be suppressed and a door can be opened and closed smoothly.

  The refrigerator according to the present invention is provided with a U-shaped slit hole at the base outer periphery of the convex portion protruding downward on the front side (main body side) of the storage chamber that is opened and closed by the drawer door, and the convex portion has a spring function. It is provided.

  With such a configuration, even when the upper case-side convex part is positioned ahead of the ceiling-side convex part, such as when the upper case is removed and then set again, the ceiling-side convex part is upward with little resistance. Can be pushed into the upper case.

Embodiment 2. FIG.
In the above embodiment, the sliding roller has a two-part configuration of the first sliding roller 16, the second sliding roller 18, and the lock pins 17 and 19. The same effect can be obtained even if is used.
Moreover, although the said embodiment demonstrated the content which equipped the upper case with the 1st, 2nd sliding roller, if an operation does not interfere, a roller is not necessarily required and a convex part is formed in an upper case. (It can be integrated or separate).

It is an upper case perspective view of the drawer door part of the refrigerator by Embodiment 1 of this invention. It is a longitudinal cross-sectional view of the drawer door part of the refrigerator by Embodiment 1 of this invention (state which closed the door). It is a longitudinal cross-sectional view of the drawer door part of the refrigerator by Embodiment 1 of this invention (state which pulled out the door). It is a front enlarged view of the upper case sliding roller part of the drawer | drawer door part of the refrigerator by Embodiment 1 of this invention. It is a cross-sectional enlarged view of the upper case sliding roller part of the drawer | drawer door part of the refrigerator by Embodiment 1 of this invention. It is the state figure which closed the door in the longitudinal cross-sectional view of the drawer door part of the refrigerator by Embodiment 1 of this invention. It is the state figure which pulled out the door of the drawer door part of the refrigerator by Embodiment 1 of this invention. It is a perspective view of the ceiling part of the store room by Embodiment 1 of this invention. It is the front view which showed the upper stage drawer structure of the upper and lower two-stage case structure in the drawer door of the conventional refrigerator (door not shown). It is a longitudinal cross-sectional view of the drawer door part of the conventional refrigerator (the state which closed the door). It is a longitudinal cross-sectional view of the drawer door part of the conventional refrigerator (the state which pulled out the door). It is a cross-sectional enlarged view of the upper case sliding roller part of the conventional refrigerator. It is a cross-sectional enlarged view of the upper case sliding roller part of the conventional refrigerator.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Refrigerator main body, 2 Refrigerator inner box, 5 Drawer door, 6 Door inner plate, 6a Recessed part, 7 Frame, 8 Upper case, 8a Handle part, 8b Upper case flange part, 8c U-shaped recessed part, 8d Boss, 8e Through-hole 8f Opening part, 8g Convex part 23 Convex part, 9 Lower case, 9a Lower case flange part, 9b Side wall, 9c Concave part, 16 First sliding roller, 16a Inner sliding part, 17 Lock pin, 18 Second Sliding roller, 18a Inner sliding portion, 19 Lock pin, 20 First rail convex portion, 21 Second rail convex portion, 24 Slit hole.

Claims (1)

The refrigerator body,
A drawer-type drawer door portion provided in the main body, having an upper case and a lower case, and separated from the outside by a drawer door;
A recess that is provided inside the drawer door portion and serves as a cold air circulation air passage for cooling the inside of the drawer door portion;
The upper front of the case front portion, provided so as to protrude toward the front of the refrigerator, in a state where the drawer door portion is closed, and the drawer door part handle that will be configured to entirely fit the concave portion of the ,
By configuring the handle portion so as to be entirely accommodated in the concave portion of the drawer door portion, the cool air provided in the handle portion is prevented so that the handle portion does not block the concave portion serving as the cool air circulation air passage. A refrigerator comprising a circulation opening .

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