JPH08233453A - Rack device for refrigerator - Google Patents

Abstract

PURPOSE: To provide a rack device for a refrigerator which can be simply produced, achieves a reduction in the manhour of assembling and the number of parts and a lower production cost while being provided with a stopper. CONSTITUTION: A rack 3 is supported by a rack receiving rail 18 provided facing both side wall surfaces 2a of a refrigerating chamber 2 in a manner to be horizontal and allowed to be pulled out. An engaging protruded part 21 provided on a slide surface of the rack 3 is mated with recess parts 19 and 20 arranged at least at two points in the depth-wise direction of the rack receiving rail 18 to hold the rack 3 at a pull out position or a housing position thereof. Moreover, the rack receiving rail 18 is held from the top and the bottom thereof together with a slide part by a flange for preventing idle rotation arranged protruding downward at a side end part of the bottom surface of the rack 3 to prevent idle rotation of the rack 3. The engaging protruded part 21 is arranged ahead of the flange of the slide surface of the rack 3 to keep the flange 23 from slipping off the rack receiving rail 18 in the pulling out of the rack.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator shelving apparatus for holding a shelf arranged in a refrigerator so that the shelf can be drawn out, and more particularly to a structure for holding the shelf at least in a drawing position or a storing position.

[0002]

2. Description of the Related Art In a freezer-refrigerator, which is an example of a conventional refrigerator, a freezer compartment, a refrigerator compartment, and a vegetable compartment are formed by partitioning from the inside of the main body. In consideration of the above, some refrigerator compartments, freezer compartments, and vegetable compartments may be partitioned from above.

By the way, in such a conventional refrigerator-freezer, a shelf is attached to the inside of the refrigerator so as to be freely drawn out. FIG. 7 is a perspective view showing a part of the inside of such a refrigerator-freezer, for example, a refrigerating room. In FIG.
Is a shelf receiving rail which is provided on one side wall surface 2a of the refrigerating compartment 2 and extends horizontally in the depth direction. A shelf receiving rail is also provided to face the side wall surface of the refrigerating chamber 2 on the opposite side (not shown). The shelf 3 is attached to the shelf receiving portions 1a formed on the pair of left and right shelf receiving rails 1, respectively. The shelf 3 is held so that it can be pulled out by placing it.

On the other hand, in the figure, 4 is a shelf receiving rail 1.
The stopper 3a provided on the front end of the shelf 3 is a notch formed on the side surface of the shelf 3 as shown in FIG. 8 which is a bottom view of the shelf 3, and when the shelf 3 is placed on the shelf receiving rail 1. The stopper 4 is mounted so as to fit into the notch 3a. Here, when the shelf 3 is pulled forward to a predetermined position, the stopper 4 has a cutout 3 as shown in FIG.
The stopper 4 abuts against the rear end of the a to prevent the shelf 3 from moving further forward.
It is designed to prevent the falling out of. The stopper 4 is provided with a notch 3a when the shelf 3 is pushed in.
It abuts the front end of the rack to prevent the shelf 3 from moving further inward.

[0005]

By the way, in a conventional refrigerator shelf device having such a stopper, the stopper 4 is a stopper member 4a as shown in FIG.
Is attached and fixed with a screw 6 to a mounting recess 1b provided at the front end portion of the shelf receiving rail 1 integrally formed with the inner box 5 forming the side wall surface 2a of the refrigerating chamber 2. ing. 1c is a screw hole formed in the mounting recess 1b.

On the other hand, in order to screw the stopper member 4a in this way, it is necessary to provide the screw stopper 7 on the back side of the inner box 5. Therefore, conventionally, the screw stopper 7 is temporarily fixed to the back side of the inner box 5. After that, when forming the main body, the screw stopper 7 is fixed by the foamed heat insulating material that is foamed between the outer box and the inner box 5, but this requires a lot of assembly to form the stopper 4. There was a problem that man-hours and the number of parts were required.

In order to reduce the number of assembling steps and the number of parts, it is conceivable that the stopper 4 is integrally formed with the inner box 5 by, for example, an injection molding method. In this way, the stopper 4 is integrally formed. If done, stopper 4
Since there is a space between the shelf receiving portion 1a and the shelf receiving portion 1a of the shelf receiving rail 1, if the stopper 4 is formed with only one jig, an undercut portion is generated in this space. Like

Therefore, in order to prevent such an undercut portion from occurring, as shown in FIG. 11, for example, in addition to the jig 8 for forming the inner box, there is a space between the stopper 4 and the shelf receiving portion 1a. Another jig 9 is required to fill the space portion of the above, and another jig is also required when forming the foam of the main body, which causes another problem that the manufacturing cost becomes high and the manufacturing becomes complicated. Like

Therefore, the present invention has been made in order to solve the above problems, and has a small number of assembling steps and parts, easy manufacturing cost, and a refrigerator shelf provided with a stopper which is easy to manufacture. The purpose is to provide a device.

[0010]

According to another aspect of the present invention, there is provided a shelving device for a refrigerator, which is provided in a cabinet and is opposed to both side wall surfaces of the cabinet so that the rack can be pulled out horizontally. A shelf receiving rail supported on the shelf, a recess provided on the shelf receiving rail, and an engaging projection provided on a sliding surface of the shelf and engaging with a recess of the shelf receiving rail to restrict movement of the shelf. It is equipped with and.

According to a second aspect of the present invention, there is provided a shelving device for a refrigerator, and shelves arranged in a cabinet, and shelf receiving rails which are provided so as to face both side wall surfaces of the cabinet and horizontally and drawably support the shelves. And a recessed portion provided at least at two positions in the depth direction of the shelf receiving rail and a recessed portion of the shelf receiving rail provided on a sliding surface of the shelf to selectively pull out or store the shelf. And an engaging convex portion to be held on the.

According to a third aspect of the present invention, there is provided a shelving device for a refrigerator, and shelves arranged in a cabinet, and shelf receiving rails provided to face both side wall surfaces of the cabinet so as to horizontally and withdrawably support the shelves. A recess provided in at least two positions in the depth direction of the shelf receiving rail, and a recess protruding downward from a side end portion of the bottom surface of the shelf to hold the shelf receiving rail together with a sliding portion of the shelf from above and below. A rotation preventing flange for preventing rotation of the shelf and a slide surface of the shelf provided in front of the flange, and selectively engaged with a recess of the shelf receiving rail to pull out the shelf. And an engaging convex portion which holds it in the storage position or the storage position.

[0013]

According to the first aspect of the invention, the shelves are supported horizontally by the shelf receiving rails which are provided so as to face both side wall surfaces of the inside of the cabinet so that the shelves can be pulled out horizontally, and the shelves slide in the recesses provided in the shelf receiving rails. The movement of the shelf is regulated by engaging the engaging convex portion provided on the surface.

According to the second aspect of the present invention, the shelf receiving rails provided so as to face both side wall surfaces of the inside of the cabinet support the shelf horizontally and so that the shelf can be pulled out, and at least two locations are provided in the depth direction of the shelf receiving rail. By selectively engaging the engaging convex portion provided on the sliding surface of the shelf with the concave portion, the shelf is held in the pull-out position or the storage position.

According to the third aspect of the present invention, the shelves are supported horizontally by the shelf receiving rails provided on both side wall surfaces of the cabinet so as to be able to be pulled out. Further, the shelf is held at the pull-out position or the storage position by selectively engaging the engaging projections provided on the sliding surface of the shelf with the recesses provided at least at two positions in the depth direction of the shelf receiving rail. . Further, the rotation-preventing flange projecting downward from the side end of the bottom surface of the shelf holds the shelf receiving rail together with the sliding portion of the shelf from above and below to prevent the shelf from rotating. Further, by providing the engaging convex portion in front of the flange on the sliding surface of the shelf, the flange is prevented from coming off from the shelf receiving rail when the shelf is pulled out.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a freezer-refrigerator according to an embodiment of the present invention with a front door of a freezer compartment removed.

In the figure, 10 is a front opening 10a formed by filling a foam insulation material between the inner box 5 and the outer box 12.
A refrigerator / refrigerator main body (hereinafter referred to as a main body) having a refrigerator compartment 2 formed at an upper portion of the main body 10, a freezer compartment 13 below the refrigerator compartment 2, and a freezer compartment 13 further below.
The vegetable compartments 14 are formed below and below, respectively.

An ice greenhouse 16 is formed in the lower part of the refrigerating compartment 2 by a heat insulating shelf 15. Further, a cooler and a cool air circulation fan (not shown) are provided at the back of the freezer compartment 13, and cool air from the cooler flows into the cool air passage provided at the back of the refrigerating compartment 2 by the cool air circulation fan. After that, the air is blown into the refrigerating compartment 2 through the plurality of cold air blowing holes 17 formed in the back wall 2b of the refrigerating compartment 2.

By the way, the side wall surface 2a of the refrigerating compartment 2 is provided with a shelf receiving rail 18 as shown in FIG. A similar shelf receiving rail is provided opposite to the side wall surface on the opposite side of the refrigerating compartment 2. Then, the shelf receiving portion 18a of the shelf receiving rail 18 has recesses at least at two locations (though the other shelf receiving rail 18 is also the same as shown in FIG. 6 described later), and at two locations in this embodiment. Notch grooves 19 and 20 are formed. Further, the left and right sliding surfaces of the shelf 3 supported by the shelf receiving rail 18 so as to be pulled out are engaged with the cutout grooves 19 and 20 as shown in FIG. 3 which is a bottom view of the shelf 3. Engagement protrusions 21 are provided.

Here, the notch groove 19 on the front side of the two notch grooves 19 and 20 of the shelf receiving rail 18 engages with the engaging convex portion 21 of the shelf 3 as shown in FIG. And holds the shelf 3 in the pull-out position. In this way, the shelf 3 is held in the pull-out position by the notch groove 19 on the front side and the engaging convex portion 21 so that the shelf 3 does not move, so that the refrigerated food can be reliably placed on the shelf 3. I am able to do it.

On the other hand, the notch groove 20 on the back side of the shelf receiving rail 18 engages with the engaging projection 21 as shown in FIG.
For holding the storage device in the storage position. Then, by holding the shelf 3 in the storage position pushed into the refrigerating chamber 2 by the notch groove 20 on the inner side and the engaging convex portion 21 in this way,
Shelf 3 should not be pulled out unless force is applied.
Is not accidentally pulled out. In FIGS. 4 and 5, reference numeral 22 is a locking portion that is provided on the back wall surface 2b of the refrigerating compartment 2 and that locks the rear end of the shelf 3.
By this locking portion 22, the shelf 3 in the storage position can be held in a stable state.

Further, in this embodiment, the shelf receiving rail 1
The notch grooves 19 and 20 of FIG. 8 are notched in an arc shape, and the engaging projection 21 is provided so as to project in an arc shape. As a result, the notch grooves 19 and 20 and the engaging projection portion 21 are formed. It becomes easy to engage and disengage with the shelf 3, and the shelf 3 can be moved by simply pulling or pushing the shelf 3 with a light force.

By the way, as shown in FIG. 6, the shelf receiving rails 18 are vertically held together with the sliding portions 3b of the shelf 3 at both ends of the bottom surface of the shelf 3 to prevent the shelf 3 from rotating. A flange 23 for preventing rotation is provided so as to project downward. Here, for example, when an item is placed on the front end portion of the shelf 3 and the shelf 3 tries to rotate upward due to its weight, the flange 23 comes into contact with the shelf receiving rail 18 from below to rotate the shelf 3 upward. This is to prevent the shelves 3 from coming off the shelf receiving rails 18.

The engaging protrusion 21 of the shelf 3 is formed by the flange 2
3, the flange 23 is prevented from coming off the shelf receiving rail 18 even when the shelf 3 is pulled out as shown in FIG. As a result, even if an article is placed on the front end portion of the shelf 3, the shelf 3 does not rotate upward, and the shelf 3 does not rotate.
It does not come off from 8.

Next, the shelf holding operation of the thus constructed refrigerator shelf device will be described.

A shelf 3 held at the storage position of the refrigerator compartment 2.
When pulling out the shelf 3, when the shelf 3 is pulled forward, the shelf 3 is held in the storage position where it is pushed into the refrigerating compartment 2 by being engaged with the notch groove 20 on the back side of the shelf receiving rail 18. The fitting convex portion 21 is disengaged from the notch groove 20, so that the shelf 3 can be pulled out.

Then, when the shelf 3 is pulled out in this manner, the engaging convex portion 21 eventually comes into engagement with the notch groove 19 on the front side of the shelf receiving rail 18, as shown in FIG.
As a result, the shelf 3 is held in the pulling position.

After holding the shelf 3 in the pull-out position in this manner, the refrigerated food or the like is placed on the shelf 3. At this time, if the refrigerated food or the like is placed on the front portion of the shelf 3, the Although the shelf 3 tends to rotate upward due to the weight, when the shelf 3 attempts to rotate upward, the flange 23 comes into contact with the shelf receiving rail 18 from below, so that the upward rotation of the shelf 3 is prevented.

On the other hand, when the shelf 3 is pushed in after the refrigerated food or the like is placed on the shelf 3 as described above, when the shelf 3 held in the pull-out position is pushed, the shelf receiving rail 18 is in front of it. The engaging projection 21 that is engaged with the side cutout groove 19 and holds the shelf 3 at the pull-out position is disengaged from the cutout groove 19, whereby the shelf 3 moves rearward. Then, when the shelf 3 moves rearward in this way, the engaging projection 21 of the shelf 3 comes into engagement with the notch groove 20 on the back side as shown in FIG. 5, whereby the shelf 3 is stored at the storage position. Will be held in.

As described above, by selectively engaging the engaging projections 21 of the shelf 3 with the notch grooves 19 and 20 provided at two positions in the depth direction of the shelf receiving rail 18, the shelf 3 is pulled out. Alternatively, it can be held in the storage position. Also, shelf 3
A flange 23 for preventing rotation is provided on the bottom surface of the shelf to prevent the shelf 3 from rotating upward, so that the shelf 3 can receive the shelf receiving rail 18.
You can make sure that it doesn't come off.

In the above description, the case where two recesses are provided in the depth direction of the shelf receiving rail 18 has been described, but the present invention is not limited to this, and if the recesses are three or more, the shelf 3 is provided. You will be able to withdraw in stages.

In the above description, the notch groove 19,
20 has been described as being formed on the left and right shelf receiving rails 18 as shown in FIG. 6, but the present invention is not limited to this, and one of the shelf receiving rails 18 has the cutout grooves 19, 20.
May be formed. When the notch grooves 19 and 20 are formed on one of the shelf receiving rails 18 as described above, the engaging projection 21 may be formed on one of the left and right sliding surfaces of the shelf 3.

[0034]

As described above, according to the invention of claim 1,
By constructing the stopper by the recess provided on the shelf receiving rail and the engaging projection provided on the sliding surface of the shelf so as to restrict the movement of the shelf by engaging with this recess, the number of steps for assembling the stopper is reduced. In addition, the number of parts is small, the manufacturing cost is easy, and the manufacturing is easy.

According to the second aspect of the present invention, the recesses provided at least at two positions in the depth direction of the shelf receiving rail and the recesses are selectively engaged to hold the shelf in the pull-out position or the storage position. By configuring the stopper with the engaging convex portion provided on the sliding surface of the shelf, the number of assembling steps and the number of parts are small, the manufacturing cost is easy, and the stopper can be easily manufactured.

According to the invention of claim 3, the recesses provided at least at two positions in the depth direction of the shelf receiving rail and the recesses are selectively engaged to hold the shelf in the pull-out position or the storage position. By configuring the stopper with the engaging convex portion provided on the sliding surface of the shelf, the number of assembling steps and the number of parts are small, the manufacturing cost is easy, and the stopper can be easily manufactured. Further, a flange for preventing rotation is provided at a side end portion of the bottom surface of the shelf so that the shelf receiving rail is held together with the sliding portion of the shelf from above and below to prevent the shelf from rotating, and the shelf receiving rail is prevented. It is possible to prevent the shelves from coming off.

[Brief description of drawings]

FIG. 1 is a front view of a freezer-refrigerator according to an embodiment of the present invention with a front door of a freezer compartment removed.

FIG. 2 is a perspective view showing a part of a refrigerating room and a shelf in the refrigerator-freezer.

FIG. 3 is a bottom view of the shelf.

FIG. 4 is a side cross-sectional view showing a state in which the shelf is held at a pull-out position.

FIG. 5 is a side sectional view showing a state in which the shelf is held at a storage position.

FIG. 6 is a front sectional view of the shelf.

FIG. 7 is a perspective view showing a part of a refrigerating room and a shelf of a conventional refrigerator-freezer.

FIG. 8 is a bottom view of the conventional shelf.

FIG. 9 is a side sectional view showing a state in which the above-mentioned conventional shelf is held at a pull-out position.

FIG. 10 is a view showing how a stopper member is attached to the conventional shelf receiving rail.

FIG. 11 is a view showing a state in which a stopper is integrally formed on the conventional shelf receiving rail.

[Explanation of symbols]

 1,18 Shelf receiving rail 2 Refrigerating room 3 Shelf 10 Refrigerator / refrigerator body 19,20 Notch groove 21 Engagement convex portion 23 Flange

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Akira Tokui 2-5-5 Keihan Hondori, Moriguchi City, Osaka Prefecture Sanyo Electric Co., Ltd. (72) Hidefumi Mogi 2-5 Keihan Hondori, Moriguchi City, Osaka Prefecture No. 5 Sanyo Electric Co., Ltd.

Claims (3)

[Claims] 1. A shelf arranged in the cabinet, a shelf receiving rail which is provided to face both side wall surfaces of the cabinet and horizontally supports the shelf so that the shelf can be pulled out, and a shelf receiving rail provided on the shelf receiving rail. A shelving device for a refrigerator comprising: a concave portion; and an engaging convex portion that is provided on a sliding surface of the shelf and that engages with the concave portion of the shelf receiving rail to restrict movement of the shelf. 2. A shelf arranged in the cabinet, a shelf receiving rail which is provided to face both side wall surfaces of the cabinet and horizontally supports the shelf so as to be drawn out, and a shelf receiving rail in a depth direction. A recess provided at least at two places; and an engagement protrusion provided on a sliding surface of the shelf to selectively engage with a recess of the shelf receiving rail to hold the shelf in a pull-out position or a storage position. A refrigerator shelf device characterized in that 3. A shelf arranged in the cabinet, a shelf receiving rail provided to face both side wall surfaces of the cabinet and horizontally supporting the shelf so that the shelf can be drawn out, and a shelf receiving rail in a depth direction. Rotation for preventing rotation of the shelf by recessing at least two places, and projecting downwardly on the side end of the bottom surface of the shelf and hugging the shelf receiving rail together with the sliding portion of the shelf from above and below. A flange for prevention and an engaging projection provided on the sliding surface of the shelf in front of the flange and selectively engaging with the recess of the shelf receiving rail to hold the shelf in the pull-out position or the storage position. A shelf device for a refrigerator, which is provided with: