JPH0370973A - Inside rack device for refrigerator - Google Patents

Abstract

PURPOSE:To make intervals between inside racks changeable to improve receiving property as well as cleaning property in a refrigerator by a method wherein the refrigerator is provided with a plurality of stages of a pair of inside racks retaining means, provided on both side wall surfaces of the inner casing thereof, end engaging parts which engage with the inside racks retaining means. CONSTITUTION:Inside racks retaining devices 8 are provided on both side wall surfaces of an inner casing 6 while the same device 8 is provided with projecting parts 8a, fitted to the grooves 7a of inside racks, at the rear side thereof and retaining fittings 8b for positioning the racks at positions corresponding to the cuts 7b of the inside racks 7 at the front side thereof. In the inside rack device, constituted in such a manner, the size of an interval between the racks becomes H+H1 with respect to the size H of the interval between the inside racks 7 of initial arrangement when the inside rack 7 is set while turning back it whereby foodstuffs may be received more by the size H1. Further, the inside racks retaining devices 8 formed only at predetermined positions on both wall surfaces of the inner casing 6 whereby excessive projections and recesses may be eliminated and cleaning property in the casing may be improved remarkably.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an internal shelf device for a refrigerator, and in particular to a device suitable for making the space between columns of the internal shelf variable and improving the storage property of food. This invention relates to an internal shelf device of a refrigerator.

[Conventional technology]

As shown in FIG. 6, in the conventional device, when changing the space between columns in the refrigerator, a plurality of grooves for forming shelves in the refrigerator, which are formed on both side walls of the inner box, are used in advance. The location of the internal shelves was changed as appropriate to match the dimensions of the food.

Related devices of this type include, for example,
Examples include those described in Publication No. 4-138061.

[Problem to be solved by the invention]

In the above-mentioned conventional technology, since there are grooves for forming internal shelves on both side wall surfaces of the inner box that forms the inside of the refrigerator, cleaning the grooves is troublesome.

Furthermore, although the inner box is made of plastic that is molded by vacuum forming, grooves for forming internal shelves must be formed in advance, which poses a problem in productivity in terms of moldability of the inner box.

Furthermore, the appearance of the internal shelf device groove itself or the manner in which it is used inside the refrigerator is not good, and the internal appearance is also poor.

The present invention has been made in order to solve the problems in the prior art described above, and improves storage efficiency by changing the interval between shelves in the refrigerator, improves the cleaning efficiency of the interior of the refrigerator, and improves the cleaning efficiency of the inner box. It is an object of the present invention to provide an internal shelf device for a refrigerator that has good moldability and also has excellent interior appearance.

[Means to solve the problem]

In order to achieve the above object, the configuration of the refrigerator internal shelf device according to the present invention is such that the refrigerator internal shelf device is equipped with a plurality of internal shelves spaced apart from each other in the refrigerator. a plurality of internal shelf holding means provided in pairs on both side walls of the box;
an internal shelf that has an engaging part that engages with the internal shelf holding means and is installed in plural stages in the inner box, and the internal shelf is arranged such that the front side is the upper surface at some times. The engaging portion engages with the internal shelf holding means on either side so that the back side becomes the top surface, and when the refrigerator is turned over and placed 8 times, the column spacing dimension changes. .

The details are as follows.

The internal shelf holding means consists of protruding means provided at the rear of both side wall surfaces of the inner box, and a positioning holder provided at the front.

Further, both surfaces of the internal shelf form outer peripheral walls, and one side of the external peripheral wall is shallow with respect to the food placement surface, and the other side is deep, and the external peripheral wall is engaged with the internal holding means. It has an engaging part.

Further, the rear part of the outer peripheral wall of the internal shelf is provided with a recessed part to be engaged with the protruding means of the internal shelf holding means, and the front part of the outer peripheral wall of the internal shelf is provided with a recessed part for positioning the internal shelf holding means. Notches to be engaged with the holders are formed on both the front and back sides of the internal shelf.

Additionally, in order to achieve the above object, the interval between the internal shelves can be varied using only internal shelf holding means provided at fixed positions on both side wall surfaces of the inner box.

[Effect]

The working of the above technical means is as follows.

That is, the inner shelf is attached to the inner shelf holding means provided at a fixed position on both side wall surfaces of the inner box, with the front side facing upward in some cases.
In addition, in some cases, it can be installed with the back side facing upward, making use of both the front and back sides of the internal shelves. The holding means is embedded in the outer peripheral wall of the internal shelf, regardless of whether the internal shelf is used on the front or back side, and can be hidden from view from the outside. Improves moldability.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 5.

FIG. 1 is an external perspective view showing the inside of a refrigerator according to an embodiment of the present invention, FIG. 2 is a cross-sectional perspective view of main parts of the internal shelf device of FIG. Figure 4 shows the state in which the internal shelves are set in the orientation shown in the figure, where (a) is a sectional view, (b) is a side view, and Figure 4 shows the state in which the internal shelves are set upside down compared to Figure 3. In the drawings, (a) is a sectional view, (b) is a side view, and FIG. 5 is a composite view of FIGS. 3 and 4.

1 shown in the figure is the refrigerator main body, and the freezer compartment 2. 3 refrigerators, 4 bottle compartments. It has a vegetable compartment 5. Reference numeral 6 denotes an inner box forming each of the above-mentioned chambers, which is made of plastic and molded by vacuum forming. Reference numeral 7 denotes internal shelves installed in the refrigerator compartment 3, which are arranged in multiple stages at intervals.

As shown in FIGS. 2 and 3, this internal shelf 7 forms an outer peripheral wall around the entire circumference on both the upper and lower sides (both sides), and the outer peripheral wall is shallow on one side with respect to the food placement surface 11. , the other side (the side visible in Figure 2) is deeply formed. And on both sides,
A groove 7a relating to a recess that engages with a protruding means of an internal shelf holding means, which will be described later, is provided at its rear part, and notches 7b, 7b are provided at its front part.
' have.

Reference numeral 8 denotes an internal shelf holding device related to the internal shelf holding means, which is provided on both side wall surfaces of the inner box 6, and has a protrusion at the rear that is related to the protruding means fitted into the groove 7a of the internal shelf 7. A holder 8b for positioning is provided at the front of the raised portion 8a at a position corresponding to the notch 7b of the internal shelf 7.

FIG. 3 shows a state in which one side (front side) of the internal shelf 7 is attached to the internal shelf holding device 8.
The ribs 1O of the grooves 7a at the rear of both sides of the inner box 6 abut against the upper surfaces 12 of the protrusions 8a provided on both side walls of the inner box 6, and the notches at the front of both sides of the internal shelf 7 The portion 7b engages with the holder 8b, and the internal shelf 7 is mounted in a predetermined position, with the food placement surface 11 of the internal shelf 7 held horizontally. At this time, the positional relationship between the internal shelf 7 and the internal shelf holding device 8 is as follows:
The center line of the plate thickness dimension T of the food placement surface il in the interior column 7 (
T1/2) and the dimension Hl, the notch 7 of the internal shelf 7
Center line of plate thickness T2 with b, 7 b'('rz/2)
and the center line (T, /2) of the plate thickness dimension T1 of the food placement surface 11 of the previous internal shelf 7 becomes H1/2.

Also, the surface of the rib 10 forming the groove 7a at the rear of the refrigerator interior [7] contacts the upper surface 12 of the protrusion 8a provided on the inner box, and the lower surface 13 of the protrusion 8a Groove 7a of internal shelf 7
It is designed to fit into the space within the surface of the rib 14 forming the rib 14.

FIG. 4 shows a state in which the internal shelf 7 is set upside down so that the other side (JU side) is the top surface and set in the internal shelf holding device 8, as is clear from the figure. In addition, the food placement surface 11 of the interior tlI7 is moved upward by the H1 dimension with respect to its original position (the state before being turned upside down and installed) and set.

Further, the internal shelf 7 is usually made of plastic molded by injection molding, and has an outer peripheral wall surface formed over the entire circumference on the upper and lower sides with the food placement surface 11 as a reference. This outer peripheral wall surface is used to prevent bending due to the weight of food when food is placed on the food placement surface of the internal shelf 7,
This is provided to prevent food from falling off and warping during injection molding.

In the internal shelf device configured in this way.

As shown in Fig. 5, with respect to the original interval H between shelves in the refrigerator, simply by turning the shelves inside the refrigerator and setting them, the column interval becomes H + H1, and the shelf interval can be changed by the H1 dimension. I can do it. Therefore, it is possible to store foods that cannot be stored in the initial set state.

In addition, since it is only necessary to form the internal shelf holding devices 8 at predetermined positions on both walls of the inner box, unnecessary unevenness is eliminated, and the cleaning efficiency of the internal box is greatly improved. The moldability is also improved accordingly. Furthermore, according to the present invention, the internal shelf holding device 8 is hidden within the side wall surfaces on both sides of the internal shelf, so it looks good and the interior appearance is greatly improved.

〔Effect of the invention〕

As explained in detail above, according to the present invention, the interval between shelves in the refrigerator is made variable to improve storage efficiency, the cleaning of the interior of the refrigerator is improved, and the formability of the inner box is improved. Further, it is possible to provide an internal shelf device for a refrigerator that has excellent interior appearance.

[Brief explanation of drawings]

FIG. 1 is an external perspective view showing the inside of a refrigerator according to an embodiment of the present invention, FIG. Figure 4 shows the state in which the refrigerator is set in the direction of the interior column shown in the figure, (a) is a sectional view, (b) is a side view, and Figure 4 shows the state in which the interior shelf is set upside down compared to Figure 3. In the figures, (a) is a cross-sectional view, (b) is a side view, FIG. 5 is a composite view of FIGS. 3 and 4, and FIG. 6 is a cross-sectional view showing the internal shelf structure of a conventional refrigerator. It is a diagram. 3... Refrigerator room, 6... Inner box, 7...
Inner shelf, 7a...Groove, 7b, 7b'...
- Notch part, 8... Inner shelf holding device, 8a... Convex part, 8b... Holder. Atsushi 3 Figure 450-

Claims (1)

[Scope of Claims] 1. In a refrigerator internal shelf device in which a plurality of internal shelves are installed at intervals within the refrigerator, the plurality of stages are provided in pairs on both side wall surfaces of an internal box in the refrigerator. It comprises an internal shelf holding means, and an internal shelf installed in a plurality of stages in the inner box, which has an engaging part that engages with the internal shelf holding means, and when the internal shelf has a front side. The engaging portion engages with the internal shelf holding means on either side, so that the top surface is the top surface, and sometimes the back side is the top surface, so that when installed upside down, the column spacing dimension changes. An internal shelf device for a refrigerator, characterized in that it is configured as follows. 2. The refrigerator interior according to claim 1, wherein the internal shelf holding means comprises protruding means provided at the rear of both side walls of the inner box and a positioning holder provided at the front. shelving device. 3. Both sides of the internal shelf form an outer peripheral wall, one side of the outer peripheral wall is shallow with respect to the food placement surface, and the other side is deep, and the outer peripheral wall is engaged with the internal holding means. 2. The refrigerator internal shelf device according to claim 1, further comprising an engaging portion for engaging the refrigerator. 4. At the rear of the outer circumferential wall of the internal shelf, a recessed portion to be engaged with the protruding means of the internal shelf holding means is provided, and at the front of the outer circumferential wall of the internal shelf, a positioning part for the internal shelf holding means is provided. 4. The internal shelf device for a refrigerator according to claim 1, wherein the notch portions to be engaged with the holders are formed on both the front and back sides of the internal shelf.