JP2016003801A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator capable of suppressing falling of a rotary door, even when an opening/closing operation is performed in a state where a component of the rotary door is broken.SOLUTION: A refrigerator includes a rotary door pivotally supported by a hinge 3 and for blocking an opening part on a body front surface in an openable/closable manner. The rotary door includes: an outer surface material for configuring a surface; an inner surface material for configuring a rear surface; a heat insulation material filled between them; a resin frame-like cap 9 mounted on four sides of the rotary door; a metal reinforcement material 11 for reinforcing a side surface of the frame-like cap 9; a hinge bearing component 12 pivotally supported by the hinge 3; and a sheet metal 16 mounted on the upper side of the lower side of the frame-like cap, and for fixing the hinge bearing component 12 to the frame-like cap. The reinforcement material 11 is L-shaped, and at an end part in the longitudinal direction of a short side 11b, a first hook part 11ba is formed. In a front view, the first hook part 11ba is provided in a position lapping with the sheet metal 16, and in a state where the lapping position is viewed from the side, one of the first hook part 11ba and the sheet metal 16 is sandwiched by the other.

Description

  The present invention relates to a refrigerator, and more particularly to a dropout prevention structure for a rotary door that is provided at a front opening and rotates around a hinge.

In the revolving door provided in the front opening of the refrigerator, a thin steel plate such as a printed steel plate or a laminated steel plate is used as an outer surface material serving as a door design. And in the revolving door using the steel plate face material, a flat steel plate is formed in a substantially C shape when viewed from the side, and a steel plate reinforcing plate is attached so as to sandwich the upper and lower sides ( For example, see Patent Document 1).
And the hinge engaging part is formed in the reinforcement board, and it is rotatably supported by the hinge provided in the main body of the refrigerator by the hinge engaging part.

In recent years, tempered glass is often used as an exterior material to be used as a door design in order to emphasize design properties. In the revolving door using the glass face material, the tempered glass cannot be formed in a C shape when viewed from the side like a steel plate, so the four sides of the flat tempered glass are framed with a resin cap. The cap is bonded to the four sides of the tempered glass using an adhesive.
A hinge bearing part is fixed to the resin cap, and the hinge bearing part is rotatably supported by a hinge provided on the refrigerator main body.

JP 2002-213865 A

  However, in the revolving door using the conventional glass face material, glass that has been tempered is used, but because it is glass, if a strong impact of a certain level or more is applied, a fine crack enters and breaks and breaks I had to do it. In addition, since the load is concentrated around the hinge bearing component, the resin cap around the hinge bearing component may be damaged due to aging, environmental resistance, strength problems, crazing, heat cycle, and the like. And when the opening / closing operation | movement was performed in the state in which the components (glass face material and resin cap) of the revolving door were damaged, there existed a subject that a revolving door would drop from a main part.

  The present invention has been made in consideration of the above problems, and provides a refrigerator capable of suppressing the falling off of the revolving door even when the opening / closing operation is performed in a state where the parts of the revolving door are damaged. It is an object.

  A refrigerator according to the present invention includes a main body having a front opening, a hinge provided on a side surface of the main body, and a revolving door that is pivotally supported by the hinge and closes the front opening so as to be freely opened and closed. The revolving door is composed of a flat plate-like tempered glass or resin constituting the surface, an inner surface material constituting the back surface, a heat insulating material filled between the outer surface material and the inner surface material, and the outer surface. A resin-made frame-shaped cap attached to four sides of the material and the inner-surface material, a metal-made reinforcing material that reinforces the side surface of the frame-shaped cap, a hinge bearing component pivotally supported by the hinge, and the frame-shaped cap A sheet metal for fixing the hinge bearing part to the frame-shaped cap, and the reinforcing member has an L shape, and a first hooking portion is provided at a longitudinal end portion of the short side. The first hook is formed and viewed from the front Is provided in a position wherein the sheet metal and the lap, in a state where the side view of the position of the wrap, one of said first hook portion and the sheet metal are those sandwiched other.

  According to the refrigerator of the present invention, even when the opening / closing operation is performed in a state in which the parts of the rotary door are damaged, the hooking portion of the reinforcing material comes into contact with the sheet metal and is caught when the rotary door is about to drop off to the front side. As a result, it is possible to prevent the rotary door from falling off.

It is a perspective view of the whole refrigerator which concerns on Embodiment 1 of this invention. It is a front view of the whole refrigerator which concerns on Embodiment 1 of this invention. It is an enlarged view of the upper hinge periphery of FIG. FIG. 3 is an enlarged view around the lower hinge of FIG. 2. It is an exploded view of the rotary door used for the refrigerator which concerns on Embodiment 1 of this invention. It is a perspective view of the 2nd reinforcement material used for the refrigerator which concerns on Embodiment 1 of this invention. It is the longitudinal cross-sectional view which looked at the rotation door periphery of the refrigerator which concerns on Embodiment 1 of this invention from the side surface. It is a perspective view of the revolving door of the refrigerator which concerns on Embodiment 1 of this invention. It is XX sectional drawing of FIG. FIG. 10 is a YY sectional view of FIG. 9. It is a perspective view of the 2nd reinforcement material used for the refrigerator which concerns on Embodiment 2 of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments described below. Moreover, in the following drawings, the relationship of the size of each component may be different from the actual one. In addition, “upper”, “lower”, “left”, and “right” used below are directions when the refrigerator is viewed from the front.

Embodiment 1 FIG.
1 is a perspective view of the entire refrigerator according to Embodiment 1 of the present invention, FIG. 2 is a front view of the entire refrigerator according to Embodiment 1 of the present invention, and FIG. 3 is a view around the upper hinge 2 of FIG. FIG. 4 is an enlarged view of the vicinity of the lower hinge 3 of FIG.
2 shows a part of the periphery of the upper hinge 2 and the lower hinge 3, FIG. 3 shows a part of the periphery of the upper hinge 2, and FIG. 4 shows a part of the periphery of the lower hinge 3. .

  As shown in FIGS. 1 and 2, main body 1 constituting the refrigerator according to Embodiment 1 has an opening on the front surface, and a revolving door (right revolving door 4 and A left revolving door 5) is provided. Further, the main body 1 has an upper hinge 2 and a lower hinge 3 in the vertical direction on both the left and right side surfaces as shown in FIG. 2, and the upper hinge 2 projects downward from above as shown in FIG. As shown in FIG. 4, the lower hinge 3 is provided so as to protrude from the bottom to the top. As shown in FIGS. 1 and 2, a right rotating door 4 is supported on the right side and a left rotating door 5 is supported on the left and right hinges 2 and 3 on the left side.

FIG. 5 is an exploded view of the revolving door used in the refrigerator according to Embodiment 1 of the present invention, and FIG. 6 is a perspective view of the second reinforcing member 11 used in the refrigerator according to Embodiment 1 of the present invention. 7 is a longitudinal sectional view of the periphery of the rotary door of the refrigerator according to Embodiment 1 of the present invention as seen from the side.
5 to 7 show the structure of the right revolving door 4, the left revolving door 5 has the same structure as that of the right revolving door 4 except that it is bilaterally symmetric.

  The revolving door according to the first embodiment includes a lower cap 6, an upper cap 7, a left cap 8, a right cap 9, a first reinforcing member 10, and a second reinforcing member 11, as shown in FIG. The hinge bearing component 12, the outer surface material 13, the inner surface material 14, the U-shaped sheet metal 16, and the hinge stopper 18 are configured.

  The lower cap 6, the upper cap 7, the left cap 8, and the right cap 9 are each made of resin, and the lower cap 6 and the upper cap 7 are provided with claw portions (not shown) at both ends in the longitudinal direction. . Further, the left cap 8 and the right cap 9 are provided with a groove (not shown) on the back surface in the longitudinal direction and at a position facing the claw portions of the lower cap 6 and the upper cap 7 when connected. Then, the upper cap 7, the lower cap 6, the right cap 9, and the left cap 8 are connected in a frame shape by engaging the claws of the lower cap 6 and the upper cap 7 with the grooves of the left cap 8 and the right cap 9. can do.

  In addition, a space 6a for housing the hinge bearing component 12 is provided at one end of the lower cap 6 and protrudes upward and opens on the lower side. Then, the hinge bearing part 12 is housed in the space portion 6a, both ends are bent in the same direction, and viewed from the side, the U-shaped sheet metal 16 has a substantially U shape from the upper side, the hinge stopper 18 from the lower side, the lower cap 6 and The hinge bearing parts 12 are sandwiched and fixed with screws 15.

  The first reinforcing material 10 is a metal reinforcing material formed in a substantially C shape in plan view. The second reinforcing member 11 is a metallic reinforcing member formed in a substantially L shape when viewed from the side as shown in FIG. 6, and is one end of a C-shaped member 11a having a substantially C shape when viewed in plan. Both ends are bent in opposite directions, and one end of a substantially S-shaped S-shaped member 11b in a side view is connected and configured. In addition, the hook part 11ba is formed in the longitudinal direction edge part of the S-shaped member 11b. And the 1st reinforcement material 10 is attached to the back surface in order to reinforce the left cap 8. FIG. The second reinforcing member 11 is attached to the back surface of the right cap 9 in order to reinforce the right cap 9.

In the first embodiment, the C-shaped member 11a and the S-shaped member 11b are connected to form the second reinforcing material 11. However, the present invention is not limited to this, and the second reinforcing material 11 may be an integrally molded product. Good.
The second reinforcing material 11 corresponds to the “reinforcing material” of the present invention, the hook portion 11ba corresponds to the “first hooking portion” of the present invention, and the S-shaped member 11b corresponds to the “reinforcing material of the present invention. Corresponds to “the short side and the first hook”.

  Here, by engaging the claw portions of the lower cap 6 and the upper cap 7 with the groove portions of the left cap 8 and the right cap 9, it can be formed into a frame shape consisting of four sides. The S-shaped member 11b is disposed so as to cover the space portion 6a (the upper surface and the left side surface) of the lower cap 6. In the first embodiment, the lower cap 6, the upper cap 7, the left cap 8, and the right cap 9 are connected to form a frame-shaped cap. However, the present invention is not limited to this, and the frame-shaped cap is an integrally molded product. It may be.

  The caps connected in a frame shape are arranged on the four sides of the outer surface material 13 that is a flat plate-shaped tempered glass constituting the surface of the rotary door, and on the four sides of the inner surface material 14 that is a flat resin constituting the inner surface of the rotary door. Although it adhere | attaches with an adhesive material (for example, a double-sided tape, an adhesive agent, etc.), in the space enclosed by the outer surface material 13 and the inner surface material 14, the foaming urethane 17 which is a heat insulating material is filled.

In addition, in this Embodiment 1, although the outer surface material 13 of a rotary door is made into the flat plate-shaped tempered glass, it is not limited to it, Flat plate resin may be sufficient.
The U-shaped sheet metal 16 corresponds to the “sheet metal” of the present invention, and the cap connected in a frame shape corresponds to the “frame-shaped cap” of the present invention.

As shown in FIG. 7, the revolving door assembled as described above is rotatably supported by the lower hinge 3 provided on the main body 1 by a hinge bearing part 12. The upper cap 7 is formed with a hollow cylindrical support portion (not shown), and is supported rotatably on the upper hinge 2 by the support portion.
The revolving door opens and closes freely, but the hinge stopper 18 comes into contact with the lower hinge 3 when it is opened more than a certain angle so that it cannot be opened any further.

8 is a perspective view of the revolving door of the refrigerator according to Embodiment 1 of the present invention, FIG. 9 is an XX sectional view of FIG. 8, and FIG. 10 is a YY sectional view of FIG.
As shown in FIGS. 8 to 10, a position where the hook portion 11 ba of the S-shaped member 11 b of the second reinforcing member 11 attached to the back surface of the right cap 9 wraps (overlaps) with the U-shaped sheet metal 16 when viewed from the front. Is provided. In consideration of variation during assembly, it is desirable that both the height (upper and lower) direction allowance (A dimension) and the lateral (left and right) direction allowance (B dimension) shown in FIG. The dimension is such that the hook portion 11ba of the S-shaped member 11b wraps (overlaps) with the U-shaped sheet metal 16. However, it is not necessary to make the hanging allowance (B dimension) in the lateral (left and right) direction larger than the C dimension, which is the length from once to the center of the U-shaped sheet metal 16.

  Further, when the foamed urethane 17 is filled inside the revolving door, the S-shaped member 11 b of the second reinforcing material 11 is embedded in the foamed urethane 17. An anchor effect is obtained by the S-shaped member 11b of the second reinforcing material 11, and the right cap 9 is foamed even when the right cap 9 is damaged due to aging, environmental resistance, strength problems, crazing, heat cycle, etc. It becomes difficult to peel from the urethane 17, and the strength in the arrow Z direction shown in FIG. 9 increases. The anchor effect can be similarly obtained by providing an S-shaped member around the upper hinge 2 of the right cap 9.

  Further, as shown in FIG. 10, the hook portion 11 ba of the S-shaped member 11 b is sandwiched between both end portions of the U-shaped sheet metal 16 directly or via a predetermined gap. That is, the hooking portion 11ba of the S-shaped member 11b of the second reinforcing member 11 is positioned inside the U-shaped sheet metal 16, and the hooking portion 11ba wraps (overlaps) with the U-shaped sheet metal 16. Therefore, in the unlikely event that the tempered glass that is the outer surface material 13 is broken, the hooking portion 11ba of the S-shaped member 11b of the second reinforcing member 11 comes into contact with the U-shaped sheet metal 16 and is caught when the revolving door is about to drop off. Therefore, it is possible to suppress the fallout of the revolving door.

  In the first embodiment, the U-shaped sheet metal 16 is substantially U-shaped when viewed from the side. However, the shape is not limited to this, and at least when the rotary door is about to drop out to the front side, the second reinforcement is provided. Any shape may be used as long as the hook portion 11ba of the S-shaped member 11b of the material 11 comes into contact with the hook portion 11 and can be prevented from falling off.

  In the first embodiment, the hook portion 11ba of the S-shaped member 11b is sandwiched between the both end portions of the U-shaped sheet metal 16 directly or via a predetermined gap, but the revolving door is about to drop off. It is only necessary to be able to prevent both of them from being caught and the rotary door from falling off, and the sheet metal may be sandwiched between the hook portions of the S-shaped member 11b.

As described above, according to the refrigerator according to the first embodiment, the S-shaped member 11b of the second reinforcing material 11 is embedded in the foamed urethane 17, and the anchor effect is obtained by the S-shaped member 11b of the second reinforcing material 11. Therefore, the right cap 9 is difficult to peel from the urethane foam 17.
Further, the hook portion 11 ba of the S-shaped member 11 b of the second reinforcing member 11 is located inside the U-shaped sheet metal 16. Therefore, even when the opening / closing operation is performed in a state where the parts of the rotary door are damaged, the hooking portion 11ba of the S-shaped member 11b of the second reinforcing member 11 contacts the U-shaped sheet metal 16 when the rotary door is about to drop off. It is possible to prevent the revolving door from falling off.

Embodiment 2. FIG.
FIG. 11 is a perspective view of the second reinforcing member 19 used in the refrigerator according to Embodiment 2 of the present invention.
Hereinafter, although Embodiment 2 will be described, the same elements as those in Embodiment 1 are omitted, and the same or corresponding parts as those in Embodiment 1 are denoted by the same reference numerals.
The second reinforcing member 19 according to the second embodiment is configured by connecting the C-shaped member 19a and the S-shaped member 19b in the same manner as in the first embodiment, but the end portion in the longitudinal direction of the S-shaped member 19b. In addition to the hooking portion 19ba formed in the hooking portion 19bb, a hooking portion 19bb is also provided at the short-side end portion of the S-shaped member 19b, and a hole 19bc is formed in the center thereof. By providing the hooking portion 19bb, the adhesion between the right cap 9 and the urethane foam 17 is increased, so that the peel strength can be increased.
The hooking portion 19ba corresponds to the “second hooking portion” of the present invention.

However, the corners inside the revolving door, especially the space 6a of the lower cap 6, have a complicated shape, so the flow path of the urethane foam 17 becomes narrow, and when the foamed urethane 17 is filled, the hooking portion of the S-shaped member 19b 19bb may impede the flow of the urethane foam 17. Therefore, fluidity | liquidity can be improved by forming hole 19bc in hook part 19bb.
The hooking portion 19ba may be formed only at one end portion in the short direction of the S-shaped member 19b, or may be formed at both end portions. Since the adhesion between the cap 9 and the urethane foam 17 is further increased, a structure in which the peel strength is further increased can be obtained.

Embodiment 3 FIG.
Hereinafter, although Embodiment 3 will be described, the same elements as those in Embodiment 1 are omitted, and the same or corresponding parts as those in Embodiment 1 are denoted by the same reference numerals.
In the third embodiment, a hard material such as a metal plate or a film having strength equal to or higher than that is attached to the back surface of the tempered glass that is the outer surface material 13 of the rotary door. By doing so, even when the tempered glass is broken, the metal plate or film contacts and is caught by the U-shaped sheet metal 16, and thus it is possible to prevent the rotary door from dropping off.

Embodiment 4 FIG.
Hereinafter, although Embodiment 4 will be described, the same elements as those in Embodiment 1 are omitted, and the same or corresponding parts as those in Embodiment 1 are denoted by the same reference numerals.
In the fourth embodiment, a material such as pressure-sensitive paper that changes color when pressed is attached to the back surface of the tempered glass that is the outer surface material 13 of the rotary door. By doing so, since the color of the location changes when a strong impact that causes cracks is applied to the tempered glass, the repair or replacement of the revolving door can be taken early.

  1 Main Body, 2 Upper Hinge, 3 Lower Hinge, 4 Left Revolving Door, 5 Right Revolving Door, 6 Lower Cap, 6a Space, 7 Upper Cap, 8 Left Cap, 9 Right Cap, 10 First Reinforcement, 11 Second Reinforcing material, 11a C-shaped member, 11b S-shaped member, 11ba hooking part, 12 hinge bearing parts, 13 outer surface material, 14 inner surface material, 15 screw, 16 U-shaped sheet metal, 17 urethane foam, 18 hinge stopper, 19 Second reinforcement Member, 19a C-shaped member, 19b S-shaped member, 19ba hook part, 19bb hook part, 19bc hole.

Claims (7)

A body having a front opening;
A hinge provided on a side surface of the main body;
A revolving door pivotally supported by the hinge and closing the front opening so as to be freely opened and closed,
The revolving door is
An outer surface material that is a flat tempered glass or resin constituting the surface;
An inner surface material constituting the back surface;
A heat insulating material filled between the outer surface material and the inner surface material;
A resin-made frame-shaped cap attached to four sides of the outer surface material and the inner surface material;
A metal reinforcing material for reinforcing the side surface of the frame-shaped cap;
A hinge bearing part pivotally supported by the hinge;
A sheet metal mounted on the upper side of the lower side of the frame-shaped cap, and fixing the hinge bearing component to the frame-shaped cap;
The reinforcing material has an L shape, and a first hook portion is formed at the longitudinal end portion of the short side,
When viewed from the front, the first hook portion is provided at a position where it wraps with the sheet metal,
One of the first hook and the sheet metal is sandwiched between the other in the state where the wrapping position is viewed from the side. The refrigerator. The sheet metal is U-shaped when viewed from the side,
The refrigerator according to claim 1, wherein the first hook portion is located between both end portions of the sheet metal. A space portion for storing the hinge bearing component at one end of the lower side of the frame-shaped cap,
The refrigerator according to claim 1 or 2, wherein the reinforcing material is disposed so as to cover the space portion with a short side thereof and the first hooking portion. The refrigerator according to any one of claims 1 to 3, wherein the reinforcing member has a second hook portion formed at a short-side end portion of a short side. The refrigerator according to claim 4, wherein the second hook portion is formed with a hole. The refrigerator according to any one of claims 1 to 5, wherein a hard material is attached to a back surface of the outer surface material. The refrigerator according to any one of claims 1 to 6, wherein a material that changes color when applied to the back surface of the outer surface material is pasted.

Images