JP2000213860A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the leftward and rightward play of the door of a walk-in deep freezer, etc., having a drawer door by stabilizing the distance between fixing rollers provided on the left and right sides of an opening. SOLUTION: Both the front and rear ends of a reinforcing body 18 erected between the ceiling and bottom of a heat insulating box body composed of an outer box 2, an inner box 3, a heat insulating material 4, etc., are brought into contact with and fixed to a roller fitting 17 and one end of the bearing shaft 15 of a fixing roller 15 is passed through the inner box 3 and roller fitting 17 and fixed with a nut 19. Then the space between the outer box 2 and inner box 3 is filled with the foamed insulating material 4. Therefore, the deformation of the inner box 3 becomes smaller and the distance between the fixing rollers 15 is stabilized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator, and more particularly, to a fixing roller mounting structure provided in an inner box of a refrigerator having a drawer type door.

[0002]

2. Description of the Related Art In a home refrigerator, for example, as shown in FIG. 1, the inside of a heat insulating box 1 is divided into a refrigerator room 7, a freezing room 8, a vegetable room (reference numerals omitted) and the like by heat insulating partitions 5 and 6. Some of them are divided and provided with dedicated doors 9, 10, 11 respectively.
The door 9 of the refrigerating compartment 7 is located on the upper side and is pivotally supported on one side so that it can be freely opened and closed. However, the door 10 of the freezing compartment 8 and the door 11 of the vegetable compartment are provided.
Each of them is of a drawer type, and a support 13 for supporting the side of the drawer container 12 is provided on the left and right portions of the rear portion thereof. In addition, fixed rollers 15 are provided on the left and right sides (inner box 3) of the heat insulating box 1 to support the support 13 rotatably so that the drawer-type doors 10 and 11 can be easily opened and closed. .

A heat insulating box 1 is composed of an outer box 2, an inner box 3, and a heat insulating material 4 filled with foam between the two. As shown in FIG. Is folded inward, is further folded with a predetermined gap on both sides of the folded surface, and is formed on the outer periphery of the opening of the inner box 3 in the holding portion 2b formed between the folded surface and the first folded surface. In this state, the flange 3a is sandwiched. Prior to this assembling, the roller mounting tool 1 for mounting the above-mentioned fixed roller 15 at a predetermined position on the front left and right outer surfaces (rear surface) of the inner box 3.
7 is arranged. In addition, the roller attachment 1
The front end face of 7 is close to the root corner of the flange 3a of the inner box 3. A reinforcing member 18A having a U-shaped cross section is embedded between the upper and lower portions of the left and right front inside of the heat insulating box 1.

[0004]

The heat-insulating box 1
In order to prevent the deformation of the inner box 3 and the like, a predetermined jig is used to form the inner box 3. However, in the above-described conventional structure, the insulating material 4 filled with foam between the outer box 2 and the inner box 3 is formed. Due to the shrinking action, the dimension W between the fixed rollers 15 on the left and right sides of the inner box 3 may vary, and if the dimension W is increased, the door 10 (11) may be more exposed in the left-right direction. . Therefore, an object of the present invention is to provide a high-quality refrigerator that has solved the above-mentioned problems.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. As a first means, an inner box having a front opening, an outer box, and a space between these two boxes are provided. The inside of the heat-insulating box made of foam-filled heat-insulating material is divided into a freezer compartment, vegetable compartment, etc. by a plurality of heat-insulating partitions, and the sides of the container are drawn out to the left and right behind the doors provided at these front openings. A supporting roller is provided, a rolling roller is provided on the outer side of the rear portion of the supporting member, and a fixed roller that slides and supports the supporting member on both sides of the inner box, and a supporting portion that supports and guides the rolling roller. And one end of the support shaft of the fixed roller is fixed by passing through one end of the inner box and a roller mounting member arranged on the back surface of the inner box, and stands upright between the left and right front inside of the heat insulating box. Attach both ends of the reinforcing body formed into a U-shaped cross section with the rollers Contact is not a structure which is fixed to. It should be noted that an opening is provided on the back side of the reinforcing member facing the roller attachment.

[0006] As a second means, the inside of an inner box having an open front, an outer box, and a heat insulating box made of a heat insulating material and the like filled with foam therebetween is frozen by a plurality of heat insulating partitions. Compartments, vegetable compartments, etc., and a support for supporting the side of the drawer container is provided on the left and right of the rear of the door provided at the front opening thereof, and a rolling roller is provided on the outside of the rear of both supports, A fixed roller that slides and supports the support and a support portion that supports and guides the rolling roller are provided on both sides of the box, and one end of a support shaft of the fixed roller is formed in the inner box and a U-shaped cross section. With its front and rear ends facing the side of the outer box,
The rear surface is brought into contact with the rear surface of the inner box, and is fixed by passing through a reinforcing body provided between the upper and lower portions of the left and right front inside of the heat insulating box. A configuration in which a recess or a step corresponding to the inner box shape around the fixed roller is formed in the reinforcing member, and a hole through which one end of a support shaft of the fixed roller is inserted in the recess or the step is provided. I do.

As a third means, the inside of a heat-insulating box made of an inner box having an open front, an outer box, and a heat-insulating material filled with foam therebetween is frozen by a plurality of heat-insulating partitions. Compartments, vegetable compartments, etc., and a support for supporting the side of the drawer container is provided on the left and right of the rear of the door provided at the front opening thereof, and a rolling roller is provided on the outside of the rear of both supports, A fixed roller slidably supporting the support on both sides of the box, and a support portion for supporting and guiding the rolling roller are provided, and between the upper and lower sides of the left and right front inside of the heat insulating box,
A reinforcing member having a roller mounting portion that is in contact with the back surface of the inner box and that inserts and fixes one end of the support shaft of the fixed roller is embedded. A hole is formed at a predetermined position of the reinforcing body, starting from a lower part as a starting point, forming a rectangular cut-and-raised part on the upper part, bending the tip part upward and extending, and inserting one end of a support shaft of the fixed roller. Is provided, and this is configured as a roller mounting portion. Alternatively, a square cut-and-raised portion is provided at a predetermined position of the reinforcing body with an upper portion as a starting point, and a cut-and-raised portion is provided at a lower portion, and a tip portion is bent and extended downward and a hole through which one end of a support shaft of the fixed roller is inserted. Is provided, and this is configured as a roller mounting portion.

[0008]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIG. FIG. 1 shows a main configuration of a refrigerator in which a refrigerator compartment is provided in an upper stage, a freezing compartment is provided in a middle compartment, and a vegetable compartment is provided in a lower compartment. 1 is an outer box 2 made of a steel plate and an inner box 3 made of a synthetic resin. And a heat insulating box made of a heat insulating material 4 and the like. The interior of the heat-insulating box 1, that is, the inner box 3, is provided with two heat-insulating partitions 5 and 6 to form an upper refrigerator compartment 7, a middle freezer compartment 8,
It is divided into a vegetable room (reference number omitted) at the bottom.

The door 9 of the refrigerator compartment 7 is pivotally supported on one side so that it can be opened and closed freely because the refrigerator compartment 7 is on the upper stage. Both the door 10 of the freezer compartment 8 and the door 11 of the vegetable compartment are drawn out. In the formula, a support 13 for supporting the side of the drawer container 12 is provided on the right and left portions of the rear portion, and a rolling roller 14 is provided on the outside of the rear portion of the support 13. On the other hand, on both sides of the inner box 3, a fixed roller 15 for slidingly supporting the support 13 and a support portion 16 for supporting and guiding the rolling roller 14 are provided.

FIG. 2A shows a heat insulating box 1 according to the present invention.
1 is viewed from the direction AA as shown in FIG. 1, and the front end of the front flange 2a of the outer box 2 is folded inward, and there is a predetermined gap on both sides of the folded surface. The inner box 3 is further folded back, and the flange 3a formed on the outer periphery of the opening of the inner box 3 is clamped by the clamping portion 2b formed between the first folded surface. Prior to this assembling, a roller mounting member 17 for mounting the fixing roller 15 is provided at a predetermined position on the front left and right inner surfaces of the inner box 3, and the heat insulating box 1 is located between the left and right front inside of the heat insulating box 1.
In the present invention, it is necessary to form the reinforcing member 18 into a U-shaped cross section and to abut and fix the front and rear ends of the reinforcing member 18 to the roller mounting member 17 to be integrated. The support shaft 15 of the fixed roller 15
One end of “a” is passed through a hole provided in the inner box 3 and the roller fixture 17, and is fixed with a nut 19. Also,
An opening 18a as shown in FIG. 2B is provided on the back side of the reinforcing member 18 facing the roller mounting member 17 in order to easily mount the fixed roller 15. With the configuration described above, the deformation of the inner box 3 can be suppressed without the inner box 3 around the fixed roller 15 being affected by the contraction action of the heat insulating material 4.

FIGS. 3 (a) and 3 (b) show a second embodiment in a longitudinal sectional view and a transverse sectional view, respectively, and are characterized by one end of a support shaft 15a of a fixed roller 15. FIG. Is formed in a U-shape cross section with the inner box 3, the front and rear ends thereof are directed to the side surfaces of the outer box 2, and the back is brought into contact with the back of the inner box 3. That is, it passes through the reinforcing body 20 that is erected and is fixed. The reinforcing member 20 has a recess (or step) 20a corresponding to the shape of the inner box 3 around the fixed roller 15 and the support shaft 15 of the fixed roller 15 is formed in the recess (or step) 20a.
a is provided with a hole through which one end of a is inserted. With such a configuration, the heat insulating box 1 can be strengthened and the deformation of the inner box 3 around the fixed roller 15 can be suppressed.

FIGS. 4 (a) and 4 (b) show a third embodiment in a longitudinal sectional view and a perspective view, respectively. The support shaft 15 of the fixed roller 15 is provided at a predetermined position of the reinforcing body
A roller mounting portion 21a for inserting and fixing one end of the roller a is integrally formed, the roller mounting portion 21a is brought into contact with a predetermined position of the inner box 3, and the fixed roller 15 is mounted. As shown in FIG. 4 (b), the roller mounting portion 21a is provided with a rectangular cut-and-raised portion 21b at a predetermined position of the reinforcing body 21 at a predetermined position, and cuts and rises substantially horizontally. And a hole 21c through which one end of the support shaft 15a of the fixed roller 15 is inserted is provided as a roller mounting portion 21a.

The roller mounting portion 21a is not limited to those shown in FIGS. 4 (a) and 4 (b), and is not shown in the drawing. A configuration may be adopted in which a cut-and-raised portion is provided, the tip is bent downward and extended, and a hole for inserting one end of the support shaft 15a of the fixed roller 15 is provided, and this is used as a roller mounting portion. . In any case, with the above configuration, the deformation of the inner box 3 around the fixed roller 15 can be suppressed.

[0014]

As described above, in the case of a refrigerator comprising an insulated box or the like as described above, the dimensions between the fixed rollers provided on the left and right of the opening of a freezing room or the like having a drawer-type door are stable.
The rattling of the door in the left-right direction is reduced, and a higher quality refrigerator can be obtained. In the case of using the reinforcing body as shown in the second and third embodiments, a special roller mounting is not required, Also, as the assembly of the heat insulation box becomes easier,
There are effects such as reduction in cost.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a refrigerator according to the present invention and a conventional example.

FIGS. 2A and 2B are a main-portion cross-sectional view of a heat-insulating box and a perspective view of a main part of a reinforcing body, respectively, showing a first embodiment of the present invention.

FIGS. 3A and 3B are a vertical sectional view (a) and a horizontal sectional view (b) of a main part of a heat insulating box body according to a second embodiment of the present invention.

FIG. 4 is a vertical sectional view (a) of a main part of a heat insulating box body and a perspective view (b) of a main part of a reinforcing body, showing a third embodiment of the present invention.

FIG. 5 is a cross-sectional view of a main part of a heat insulating box showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulated box 2 Outer box 3 Inner box 4 Insulating material 8 Freezer compartment 9, 10, 11 Door 12 Drawer container 13 Support 14 Rolling roller 15 Fixed roller 15a Support shaft 16 Support part 17 Roller fixture 18 Reinforcement 18a Opening Part 19 Nut 20 Reinforcement 20a Depression 21 Reinforcement 21a Roller mounting part 21b Cut-and-raised part 21c Hole

Claims (7)

[Claims] An inner box having an open front, an outer box, and a heat insulating box made of a heat-insulating material foam-filled therebetween are used to form a plurality of heat-insulating partitions into a freezing room, a vegetable room, or the like. Partitions are provided on the left and right sides of the rear doors provided at the front openings, supports for supporting the sides of the drawer container are provided, and rolling rollers are provided on the rear outer sides of both supports, and the support is provided on both sides of the inner box. A fixed roller that slidably supports the body, and a support portion that supports and guides the rolling roller, and a roller mounting tool in which one end of a support shaft of the fixed roller is disposed on a back surface of the inner box and the inner box. And affixed to both ends of a reinforcing member having a U-shaped cross section standing between the upper and lower portions of the left and right front inside of the heat insulating box body by abutting the roller mounting member. And refrigerator. 2. The refrigerator according to claim 1, wherein an opening is provided on a back side of the reinforcing member facing the roller attachment. 3. The inside of an inner box having an open front, an outer box, and a heat insulating box made of a heat insulating material or the like which is foam-filled therebetween are connected to a freezing room, a vegetable room, etc. by a plurality of heat insulating partitions. Partitions are provided on the left and right sides of the rear doors provided at the front openings, supports for supporting the sides of the drawer container are provided, and rolling rollers are provided on the rear outer sides of both supports, and the support is provided on both sides of the inner box. A fixed roller for slidably supporting the body, and a support portion for supporting and guiding the rolling roller are provided, and one end of a support shaft of the fixed roller is formed in the inner box and a U-shaped cross section. It is characterized in that the rear surface is brought into contact with the rear surface of the inner box toward the side surface of the outer box, and is fixed by being passed through a reinforcing body erected between the upper and lower portions of the left and right front inside of the heat insulating box body. refrigerator. 4. A recess or step corresponding to the shape of an inner box around the fixed roller is formed in the reinforcing member, and a hole through which one end of a support shaft of the fixed roller is inserted in the recess or step. The refrigerator according to claim 3, comprising: 5. The inside of an inner box having an open front, an outer box, and an insulating box body made of a heat insulating material or the like which is foam-filled therebetween are connected to a freezing room, a vegetable room, etc. by a plurality of heat insulating partitions. Partitions are provided on the left and right sides of the rear doors provided at the front openings, supports for supporting the sides of the drawer container are provided, and rolling rollers are provided on the rear outer sides of both supports, and the support is provided on both sides of the inner box. A fixed roller for slidably supporting the body, and a support portion for supporting and guiding the rolling roller are provided, and between the upper and lower sides of the left and right front inside of the heat insulating box, abut on the back surface of the inner box, and A refrigerator characterized by comprising a reinforcing body provided with a roller mounting portion for inserting and fixing one end of a support shaft. 6. A cut-and-raised portion having a lower portion as a starting point is provided at a predetermined position of the reinforcing member, and the cut-and-raised portion is bent and extended upward, and one end of a support shaft of the fixed roller is inserted. 6. The refrigerator according to claim 5, wherein a hole is provided, and the hole serves as a roller mounting portion. 7. A rectangular cut-and-raised portion starting from the upper part is provided at a predetermined position of the reinforcing member, and the cut-and-raised portion is bent and extended at the tip end, and one end of the support shaft of the fixed roller is inserted. 6. The refrigerator according to claim 5, wherein a hole is provided, and the hole serves as a roller mounting portion.