JP3294480B2 - refrigerator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator having a rotatable door which is detachable.

[0002]

2. Description of the Related Art In recent years, refrigerators have tended to become larger year by year due to diversification of eating habits, foods, and housewives entering society. As a result, the weight of the refrigerator increases and the external dimensions also increase, and thus a problem of deterioration in carrying-in and carrying-out properties at the time of installation or moving has arisen. In addition, the door is often separated from the refrigerator body when disposing of unused refrigerators or recycling, etc.However, it takes a lot of time and effort to remove the doors with the current one, so it is not always easy It does not have a removable structure. Hereinafter, a conventional example is shown in FIG.
26 through FIG.

FIG. 24 is a side view of a conventional refrigerator, FIG. 25 is a plan view of an upper hinge portion of the refrigerator, and FIG. 26 is a sectional view taken along line X ₁₂ -X _{12 in} FIG. 1 is a refrigerator body, 2 is a rotary refrigerator door, 3 is a drawer freezer door, and 4 is a drawer vegetable door. Reference numeral 5 denotes an upper hinge cover, and 6 denotes an upper hinge. An upper hinge pin 6b serving as a rotation axis of the door is inserted from below into an upper hinge pin fixing hole 6a, and the upper portion thereof is caulked and fixed. The refrigerator body 1 is fixed to the ceiling surface of the refrigerator body 1 with three body fixing screws 7 via the holes 6c, and supports the refrigerator compartment door 2 via the hinge pin receiver 2a. The upper hinge cover 5 is fixed by fitting two claw portions 5 a into a claw fixing portion 6 d of the upper hinge 6.

A lower hinge 8 has a lower hinge pin fixing hole 8a.
The lower hinge pin 8b is inserted from above and the lower part is caulked and fixed, and the refrigerator compartment 1 and the freezer compartment of the refrigerator main body 1 are fixed by two main body fixing screws 9 through the main body fixing screw holes 8c. The refrigerator compartment door 2 is fixed to the front surface of the partition between them and supported by the lower hinge pin receiver 2b. The sizes of the body fixing screw holes 6c and 8c of the hinges 6 and 8 absorb variations in parts dimensions, and also, when the doors are installed, dimensions between the doors, parallelism and verticality with the refrigerator body 1, and the like. Is set larger than the outer diameter of the main body fixing screws 7 and 9 so that the fine adjustment can be performed.

[0005]

In the above-described refrigerator having the conventional structure, the depth of the refrigerator is reduced when the refrigerator is installed through a place where there is not enough space in the transport space or where a long staircase is transported, or the like. In order to make the work as easy as possible by reducing the weight, a method of transporting the refrigerator body with the door removed, installing the door, and then attaching the door may be considered.

However, in this case, the freezer compartment door 3 and the vegetable compartment door 4 are of a drawer type, and can be easily removed and attached. However, in order to remove the rotary refrigerator compartment door 2, first, the upper hinge is required. After removing the upper hinge cover 5 by removing the claw portion 5a of the cover 5 from the claw fixing portion 6d of the upper hinge 6, the three main body fixing screws 7 for fixing the upper hinge 6 to the refrigerator main body 1 using a tool. It is necessary to remove the upper hinge 6 and remove the refrigerator compartment door 2.

When the door is mounted again, the operation is the reverse of the above. However, since the upper hinge 6 has been once removed, the clearance between the refrigerator compartment door 2 and the freezer compartment door 3, the degree of parallelism, and the refrigerator main body 1 While making fine adjustments to the parallelism and verticality of the upper hinge 6
Must be attached and fixed, and the tightening torque of the main body fixing screw 7 needs to be considerably increased in order to prevent the door from dropping during use.

For this reason, it is almost impossible to remove the rotary refrigerator door 2 and transport it in an actual installation unless there is a special reason that the refrigerator cannot enter from the entrance unless the door is removed. Did not. Also, even when the refrigerator body and the door are separated at the time of disposal or recycling of the refrigerator,
The hinge structure and the working method of the above-mentioned revolving door are not easy to remove, so that there is a problem that it takes a lot of time especially when the number of processing units is large.

An object of the present invention is to solve such a problem, and it is an object of the present invention to provide a refrigerator in which a revolving door can be easily and quickly removed.

[0010]

According to a first aspect of the present invention, an upper hinge pin and a lower hinge pin fixed to a refrigerator main body side are provided with an upper hinge pin receiver and a lower hinge pin recessed in upper and lower end surfaces of a rotary door. In a refrigerator in which the upper hinge pin and the lower hinge pin are cold- fitted, the door is rotatably provided around the upper and lower hinge pins.
It is provided at a position outwardly distant from the opening of the storage body
At the upper end surface of the door, from the upper hinge pin receiving portion to the inside of the door.
The groove extending toward the center toward the center of the door and the groove facing the center of the door
A flat surface consisting of a backward-facing groove that is bent toward the inside of the door
Make the L-shaped groove deeper than the tip of the upper hinge pin.
So that the upper hinge pin is in the groove facing the door center.
Move the inside of the door toward the center of the door
Removably attached to the center of the door in the groove facing the center of the door
You.

[0011]

According to a second aspect of the present invention, there is provided a refrigerator in which a rotary door is rotatably provided around a vertical hinge pin via a vertical hinge on a refrigerator main body, wherein the upper hinge has an upper hinge front portion having the upper hinge pin. And a rear part of the upper hinge fixed to the refrigerator body, and the front part of the upper hinge and the rear part of the upper hinge are joined by a hinge.

According to a third aspect of the present invention, there is provided a refrigerator having a refrigerator main body having a rotatable door rotatably around upper and lower hinge pins via upper and lower hinges, wherein the upper hinge has an upper hinge front portion having the upper hinge pin. And the upper hinge rear that is fixed to the refrigerator main body.The upper hinge front and upper hinge rear cannot be separated on the same plane, and can be separated by lifting the upper hinge front upward. Butted.

[0014]

[0015]

[0016]

According to the first aspect of the present invention, an L-shaped groove is provided in the door in plan view, so that the opening of the rearwardly facing groove of the groove faces the inner surface of the door. It is invisible from the outside and has a good appearance. The door can also be easily removed by removing the stopper, tilting the door so that the upper hinge pin moves toward the opening of the rearward groove, moving the door upward, and removing the lower hinge pin receiver from the lower hinge pin. When installing the door again, the opposite operation may be performed. At this time, since there is no need to remove or attach the upper hinge, there is no need to adjust the gap between the doors or the degree of parallelism with the refrigerator body, and the work can be performed easily and in a short time.

According to the second aspect of the present invention, the upper hinge is divided into a front part and a rear part of the upper hinge, and the divided parts are connected by hinges. By rotating the front part of the upper hinge with the hinge pin upward about the hinge, the upper hinge pin is released from the upper hinge pin receiver, and then the door can be removed by lifting the door. When the door is installed again, the opposite operation is performed. At this time, the mounting position of the rear portion of the upper hinge remains unchanged while being fixed to the refrigerator main body, and there is no need to adjust the gap between the doors or the parallelism with the refrigerator main body at all.

According to the third aspect of the present invention, the upper hinge is divided into an upper hinge front portion and an upper hinge rear portion, and the upper hinge front portion and the upper hinge rear portion cannot be separated on the same plane. By lifting the front part of the hinge upwards and butt-joining so that it can be separated, by separating from the rear part of the hinge, the upper hinge pin can be removed from the upper hinge pin receiver, and the lower hinge pin can be removed from the lower hinge pin receiver. Can be removed from the refrigerator body. When the door is installed again, the opposite operation is performed.

At this time, since the rear portion of the upper hinge remains fixed to the refrigerator body, the front portion of the upper hinge is brought into contact with the rear portion of the upper hinge by lowering the door, whereby the door is in a state before being removed. There is no need to adjust the gap between them or the degree of parallelism with the refrigerator body, and the work can be done easily and in a short time. Also, the cost of parts can be reduced as compared with the case where the front part of the upper hinge and the rear part of the upper hinge are joined by a hinge.

[0021]

[0022]

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION

(First Embodiment) FIGS. 1 to 3 show a first embodiment of a refrigerator according to the present invention. FIG. 1 is a plan view of the upper hinge portion with the upper hinge cover removed, and FIG. 2 is a view showing X ₁ -X ₁ in FIG.
FIG. 3 is a sectional view taken along the line X ₂ -X _{2 in} FIG. 1
Denotes a refrigerator body, and 2 denotes a rotary refrigerator door. An upper hinge pin receiver 2 a is provided on the upper end surface of the refrigerator compartment door 2, and a groove 10 is provided from the upper hinge pin receiver 2 a toward the door side surface 22. The groove 10 is formed deeper than the tip of the upper hinge pin 6b.

A pin-like stopper 11 is removably inserted into the upper part of the refrigerator compartment door 2 so as to penetrate the groove 10 from the inner surface side of the door, that is, the refrigerator body 1 side. The upper hinge pin 6b is held by the side wall and the upper hinge pin receiver 2a. The other configuration is the same as that of the above-described conventional example, and the description thereof is omitted.

According to this embodiment, when the refrigerator compartment door 2 is to be removed, the stopper 1 is kept in a state where the refrigerator compartment door 2 is opened.
Take out one. Next, the refrigerator compartment door 2 is connected to the lower hinge pin 8b.
Hinge pin 6 in the direction opposite to the hinge side with
After the b is rotated to the position where it comes out of the groove 10, the refrigerator compartment door 2 can be removed only by lifting up. When attaching the refrigerator compartment door 2 again, work in the reverse order to the above is performed.

At this time, since the main body fixing screw 7 of the upper hinge 6 is not loosened or removed, there is no need to adjust the gap between the doors, the parallelism or the verticality with the refrigerator main body 1, etc. Work in time. Further, since the opening of the groove 10 faces the door side surface 22, it is possible to bring the position of the gasket 12 to a position higher than the inner bottom surface of the groove 10,
Compared with the case where the opening of the groove 10 is provided toward the refrigerator main body 1, the height of the refrigerator compartment door 2 can be reduced, and the height of the refrigerator can be reduced similarly.

In this embodiment, the stopper 11 is inserted from the inner surface side of the refrigerator compartment door 2, but it can be inserted from the door surface 23 side of the refrigerator compartment door 2 as shown in FIG. For example, the position of the gasket 12 can be set higher, and the height of the refrigerator compartment door 2 can be further reduced.

(Second Embodiment) FIGS. 5 to 7 show a refrigerator according to a second embodiment of the present invention. Figure 5 is a plan top hinges illustrating remove the upper hinge cover, and FIG. 6 is X ₃ -X ₃ cross-sectional view in FIG. 5, FIG. 7 is a X ₄ -X ₄ cross-sectional view in FIG. In this embodiment, a cover 13 is provided so as to cover the groove 10. This cover 13 is hook 13
a and a claw 13b, and the hook 13a is fitted to the recess 10a provided on the bottom surface of the groove 10 and the claw 13b is fitted to the recess 10b provided on the side surface inside the groove 10 so as to be detachably engaged. Other configurations are the same as those of the first embodiment.

According to this, when removing the refrigerator compartment door 2, first, the claws 13b are removed and the cover 13 is removed. Then
By performing the same operation as in the first embodiment, the refrigerator compartment door 2 can be removed. When the refrigerator compartment door 2 is mounted, the operation is performed in the reverse order of the above. At this time, since the main body fixing screw 7 of the upper hinge 6 is not loosened or removed,
As in the case of the first embodiment, it is not necessary to adjust the gap between the doors, the degree of parallelism or the degree of verticality with the refrigerator body 1, and the work can be easily performed in a short time. Also, the attachment of the cover 13 makes the groove 10 invisible from the outside of the side surface of the refrigerator compartment door 2, thereby improving the appearance and appearance.

(Third Embodiment) FIGS. 8 to 10 show a third embodiment of the refrigerator according to the present invention. 8 is a plan top hinges illustrating remove the upper hinge cover, and FIG. 9 is X ₅ -X ₅ sectional view in FIG. 8, FIG. 10 X ₆ is shown in FIG. 8 -X ₆
It is sectional drawing. In this embodiment, a cover 13 is provided so as to cover the groove 10. The cover 13 has a hook 13a and a hole 13c.
0 is fitted into the recess 10a provided on the bottom surface of the
The stopper 11 is retained by being inserted through the stopper 3c. Other configurations are the same as those of the first embodiment.

According to this, when removing the refrigerator compartment door 2, the stopper 11 is pulled out with the refrigerator compartment door 2 opened. By removing the stopper 11, the cover 13
Also come off. Next, the refrigerator compartment door 2 can be removed by performing the same operation as in the first embodiment. When the refrigerator compartment door 2 is mounted, the operation is performed in the reverse order of the above.

At this time, since the main body fixing screw 7 of the upper hinge 6 is not loosened or removed, there is no need to adjust the gap between the doors, the degree of parallelism or the verticality with the refrigerator main body 1, and the like, and it is easy to shorten. It is the same as in the second embodiment that the work can be performed in a short time, and that the groove 10 becomes invisible from the outside by attaching the cover 13 to improve the appearance and appearance. Also. Further, since the cover 13 is held by the stopper 11, the cover 13
It can be attached and detached for convenient handling.

(Fourth Embodiment) FIGS. 11 to 13 show a refrigerator according to a fourth embodiment of the present invention. 11 is a plan view of the upper hinge portion with the upper hinge cover removed, FIG. 12 is a cross-sectional view of FIG. 11 along X ₇ -X ₇ , and FIG. 13 is a cross-sectional view of FIG. 11 along X ₈ -X ₈ . In this embodiment, the refrigerator compartment door 2
The groove 10 deeper than the tip of the upper hinge pin 6b is provided from the upper hinge pin receiver 2a of the upper end surface to the door side surface 22 as in the case of the first embodiment. The groove 10
A stopper 14 made of an elastic body and extending to a position higher than the tip of the upper hinge pin 6b is attached to the inner bottom surface of the upper hinge pin 6b.

The stopper 11 and the upper hinge pin receiver 2a
Holds the upper hinge pin 6b. The stopper 14 has a guide 4 a on the opening side of the groove 10,
A recess 10c is provided in the inner bottom surface of the groove 10 as a relief when the stopper 14 is pushed down. The other configurations of the upper hinge 6, the upper hinge cover 5, the lower hinge 8, and the like are the same as those of the above-described conventional example, and thus the description thereof will be omitted.

According to the fourth embodiment, when the refrigerator compartment door 2 is to be removed, the stopper 11 is first pushed down with a rod or the like while the refrigerator compartment door 2 is closed, and the lower hinge pin 8b of the refrigerator compartment door 2 is rotated. After the upper hinge pin 6b is rotated in the direction opposite to the hinge side as a center to a position where it comes out of the groove 10, the refrigerator compartment door 2 can be removed only by lifting up.

When the refrigerator compartment door 2 is attached to the refrigerator body 1 again, the lower hinge pin receiver 2b of the refrigerator compartment door 2 is inserted into the lower hinge pin 8b, and then the opening of the groove 10 is aligned with the position of the upper hinge pin 6b. When pushed, the guide 14a of the stopper 14 is pushed by the tip of the upper hinge pin 6b, and the stopper 14 bends downward and the upper hinge pin 6b.
When b moves to the depth of the groove 10, the stopper 14 returns to the original shape, the upper hinge pin 6b is held, and the refrigerator door 2
Is attached to the refrigerator body 1.

At this time, since the main body fixing screw 7 of the upper hinge 6 is not loosened or removed, there is no need to adjust the gap between the doors, the parallelism or the verticality with the refrigerator main body 1, etc. The work can be performed in a short time and the door installation work time can be reduced in the same manner as in the first embodiment. Further, since the opening of the groove 10 faces the door side surface 22, the position of the gasket 12 can be moved to a position higher than the inner bottom surface of the groove 10, and the opening of the groove 10 can be moved to the refrigerator compartment door 2. The height of the door can be reduced (the height of the refrigerator can also be reduced) as compared to the case where the refrigerator is provided toward the inner surface side.

Since the pin-shaped stopper 11 is not inserted from the inner side of the refrigerator compartment door 2 as in the first embodiment, the height of the refrigerator compartment door 2 can be further reduced. Further, since the stopper 14 is not seen from the inner side of the refrigerator compartment door 2 as in the first embodiment, the appearance can be improved. In order to further improve the appearance and appearance, a cover 13 that covers and conceals the groove 10 can be attached as in the case of the second embodiment.

(Fifth Embodiment) FIGS. 14 and 15 show a refrigerator according to a fifth embodiment of the present invention. FIG. 14 is a plan view of the upper hinge portion, and FIG. 15 is a cross-sectional view along X ₉ -X _{9 in} FIG. In this embodiment, an upper hinge pin receiver 2a, a door center-facing groove 15a extending from the upper hinge pin receiver 2a toward the center of the door, and a door center-facing groove 15a are provided at the upper end surface of the refrigerator compartment door 2 to the refrigerator body. A groove 15 having an L-shape in plan view, comprising a rearwardly facing groove portion 15b extending in a substantially right-angled bent shape toward 1 is provided.

The groove 15 is formed deeper than the tip of the upper hinge pin 6b. A stopper 11 is removably inserted from the inner surface side of the refrigerator compartment door 2 so as to penetrate the door center-facing groove portion 15a orthogonally, and the upper hinge pin 6b is formed by the stopper 11 and the side wall in the groove 15 and the upper hinge pin receiver 2a. Holding. The other configuration is the same as that of the above-described conventional example, and the description thereof is omitted.

According to the fifth embodiment, when removing the refrigerator compartment door 2, the stopper 11 is pulled out with the refrigerator compartment door 2 opened. Thereafter, the refrigerator compartment door 2 is rotated around the lower hinge pin 8b as a center of rotation so that the upper hinge pin 6b moves along the groove 15, and is moved to a position outside the groove 15, and the refrigerator compartment door 2 can be removed by lifting the refrigerator compartment door 2 upward. .

When the refrigerator compartment door 2 is to be attached to the refrigerator body 1 again, the operation may be performed in the reverse order of the above. At that time,
As in the case of the first embodiment, since the main body fixing screw 7 of the upper hinge 6 is not loosened or removed, there is no need to adjust the gap between the doors, parallelism or verticality with the refrigerator main body 1, and the like. Work can be done easily and in a short time. Further, the groove 15 and the stopper 11 are not visible from the outside when the refrigerator compartment door 2 is closed, so that the external appearance is improved.

(Sixth Embodiment) FIGS. 16 to 18 show a refrigerator according to a sixth embodiment of the present invention. 16 is a plan view of the upper hinge portion, FIG. 17 is a cross-sectional view taken along line X ₁₀ -X ₁₀ in FIG. 16, and FIG. 18 is an exploded cross-sectional view of the upper hinge portion. In this embodiment, the upper hinge 16 is divided into an upper hinge front portion 16a and an upper hinge rear portion 16b,
They are linked by c.

An upper hinge pin 6b is provided on the upper hinge front portion 16a.
Is fixed to the upper hinge pin fixing hole 6a, and is fixed to the ceiling surface of the refrigerator main body 1 with one main body fixing screw 7 through the main body fixing screw hole 6c. The upper hinge rear portion 16b is fixed to the ceiling surface of the refrigerator main body 1 with two main body fixing screws 7 via the main body fixing screw holes 6c. The other components such as the upper hinge cover 5, the lower hinge 8, the refrigerator compartment door 2, and the like are the same as those of the above-described conventional example, and thus the description thereof is omitted.

According to the sixth embodiment, to remove the refrigerator compartment door 2 from the refrigerator body 1, first, the upper hinge cover 5
Is removed in the procedure shown in the conventional example, one main body fixing screw 7 fixing the upper hinge front portion 16a is removed, and the upper hinge front portion 16a is rotated upward about the hinge 16c as a rotation center,
The upper hinge pin 6b is detached from the upper hinge pin receiver 2a, and the refrigerator compartment door 2 is easily removed by lifting it. When attaching the refrigerator compartment door 2 to the refrigerator main body 1, the attachment is performed in the reverse order of the above.

At this time, since the main body fixing screw 7 at the rear portion 16b of the upper hinge is not removed or loosened, the mounting position of the upper hinge 16 does not shift before and after the refrigerator compartment door 2 is removed and mounted. There is no need to adjust the gap between the doors, the degree of parallelism or the degree of verticality with the refrigerator body 1, and the like, and the mounting operation can be performed simply and quickly. Further, since no groove or hole other than the hinge pin receiver 2a is required on the outer surface of the refrigerator compartment door 2, the appearance is improved. Further, the position of the gasket 12 can be set at a position higher than the distal end position of the upper hinge pin 6b, so that the outer dimensions of the refrigerator compartment door 2 can be made smaller than in the fourth embodiment.

(Seventh Embodiment) FIGS. 19 to 21 show a refrigerator according to a seventh embodiment of the present invention. Figure 19 is a plan view of the upper hinge portion, FIG. 20 X ₁₁ -X ₁₁ cross-sectional view in FIG. 19, FIG. 21 is a cross-sectional exploded view of the upper hinge portion. In this embodiment, the upper hinge 17 is divided into an upper hinge front portion 17a and an upper hinge rear portion 17b via a dividing line 17c. In the dividing line 17c, a dovetail portion projecting from the rear end of the upper hinge front portion 17a is provided. 171c and a dovetail groove 172c recessed at the front end of the upper hinge rear portion 17b are butt-joined.

Therefore, the upper hinge front portion 17a and the upper hinge rear portion 17b, which are butted and joined to each other by the dividing line 17c, cannot be separated in the front-back direction A and the left-right direction B on the same plane. The upper hinge 17a can be separated from the upper hinge rear portion 17b only by lifting it upward. An upper hinge pin 6b is crimped to the upper hinge pin fixing hole 6a on the upper hinge front portion 17a, and is fixed to the ceiling surface of the refrigerator main body 1 with one main body fixing screw 7 through the main body fixing screw hole 6c. The upper hinge rear portion 17b is fixed to the ceiling surface of the refrigerator main body 1 with two main body fixing screws 7 via the main body fixing screw holes 6c. The other components such as the upper hinge cover 5, the lower hinge 8, the refrigerator compartment door 2, and the like are the same as those of the above-described conventional example, and thus the description thereof is omitted.

According to the seventh embodiment, in order to remove the refrigerator compartment door 2 from the refrigerator body 1, first, the upper hinge cover 5
Is removed by the procedure shown in the conventional example, one main body fixing screw 7 fixing the upper hinge front portion 17a is removed, the upper hinge front portion 17a is lifted up and removed, and the refrigerator compartment door 2 is lifted. Removes easily.

When the refrigerator compartment door 2 is attached to the refrigerator body 1, the refrigerator compartment door 2 is attached in the reverse order of the above. At this time, since the main body fixing screw 7 of the upper hinge rear portion 17b is not removed or loosened, the mounting position of the upper hinge rear portion 17b does not shift before and after the refrigerating compartment door 2 is removed and attached. It is not necessary to adjust the gap of the refrigerator main body 1 and the degree of parallelism or verticality with the refrigerator body 1, and the work can be easily performed in a short time.

A hinge pin receiver 2a is provided on the outer surface of the refrigerator compartment door 2.
Since no other grooves or holes are required, the appearance is good. Further, the position of the gasket 12 is also the upper hinge pin 6b.
Refrigeration compartment door 2
Can be made smaller than in the fourth embodiment. In addition, it is more cost effective than the sixth embodiment in which the upper hinge 16 is connected by the hinge 16c.

By using a relatively large number of the main body fixing screws 7 of the upper hinges 16 and 17 as in the seventh embodiment and the sixth embodiment, it is possible to mainly prevent the door from falling down when the refrigerator is actually used. Since the lateral displacement of the upper hinges 16 and 17 can be prevented, even if the upper hinges 16 and 17 are divided, there is no problem in their mounting strength. Since the upward force is hardly applied during actual use, the upper hinge front portion 16a
It is enough to stop 17a with one body fixing screw 7.

(Eighth Embodiment) FIG. 22 shows an eighth embodiment of the refrigerator according to the present invention. FIG. 22 is a sectional view of the refrigerator compartment door. In this embodiment, the lower hinge 18 has a lower hinge pin fixing hole 18a, and a lower hinge pin 18b having a length extended to near the upper end surface of the refrigerator compartment door 2 is inserted into the lower hinge pin fixing hole 18a from above. By caulking, the lower hinge pin 18b is fixed in an upright state.

The lower hinge 18 is fixed to the front of the partition of the refrigerator main body 1 with two main body fixing screws 9 via the main body fixing screw holes 18c, and the refrigerator compartment door 2 has the lower hinge pin 18b inserted into the lower hinge pin receiver 19. It is supported by doing. The size of the main body fixing screw hole 18c absorbs variations in the dimensions of the components, and the dimensions and parallelism between the refrigerator doors 2 and the parallelism and verticality with the refrigerator main body 1 when the refrigerator compartment door 2 is installed. It is formed larger than the outer shape of the body fixing screw 9 so that fine adjustment can be performed, and is adjusted at the time of assembling the refrigerator.

According to this, the refrigerator compartment door 2 is connected to the refrigerator body 1
, The refrigerator compartment door 2 can be easily removed by lifting the refrigerator compartment door 2 upward to a position where the lower hinge pin 18b comes off the lower hinge pin receiver 19. Refrigerator door 2
Can be easily attached to the refrigerator body 1 in the reverse order of the above. In addition, since the upper hinge and the upper hinge cover are omitted, the appearance can be reduced to a neat one, which is advantageous in terms of cost.

(Ninth Embodiment) FIG. 23 shows a ninth embodiment of the refrigerator according to the present invention. FIG. 23 is a sectional view of the refrigerator compartment door. In this embodiment, a screw is cut at the tip of the lower hinge pin 18b, and a stopper 20 larger than the diameter of the lower hinge pin 18b is screwed in and fixed. The upper end surface of the refrigerator compartment door 2 is provided with a recess 21 for receiving the stopper 20. The stopper 20 prevents the refrigerator compartment door 2 from coming off or rattling. Other configurations are the same as those of the eighth embodiment.

According to this, the refrigerator compartment door 2 is connected to the refrigerator body 1
When removing the stopper 20, first, the stopper 20 is removed, and then the stopper 20 can be easily removed by the same procedure as described in the case of the eighth embodiment. When the refrigerator compartment door 2 is attached to the refrigerator main body 1, the refrigerator compartment door 2 can be easily attached in the reverse order of the above. Furthermore, since it is possible to prevent the refrigerator compartment door 2 from coming off and rattling, the safety and operability are excellent. Since there is no upper hinge or upper hinge cover in appearance, it can be finished cleanly.

In each of the above embodiments, the three-door refrigerator of the mid-freezer type in the upper refrigerator compartment has been described. In addition, all refrigerators whose top doors are of a rotary type from a small one-door refrigerator to a large double door are used. Applicable.

[0059]

As described above, according to the present invention, the rotary door can be easily removed and attached, and loading and unloading can be easily performed when the refrigerator is installed or moved. Also, when the refrigerator is discarded or recycled, the rotating door can be easily and quickly removed from the refrigerator body. In addition, the following effects are obtained.

According to the first aspect of the present invention, by forming the groove in an L shape, it is not necessary to provide a groove or a hole on the external surface when the door is closed, and the external appearance is improved. Claim
2, the invention according to claim 3, it is possible by the upper hinge into two division structure, to which it is not necessary provided the like conventional doors appearance as well as the door outer surface grooves and holes of.
It is more advantageous in terms of cost to butt-join as in the invention according to claim 3 than to connect the front and rear portions of the two upper hinges with a hinge as in the invention according to claim 2 .

[Brief description of the drawings]

FIG. 1 is a plan view of an upper hinge portion of a refrigerator according to the first embodiment of the present invention.

FIG. 2 is a sectional view taken along line X ₁ -X _{1 in} FIG.

FIG. 3 is a sectional view taken along line X ₂ -X _{2 in} FIG.

FIG. 4 is a cross-sectional view showing a modification of the upper hinge portion of the first embodiment, corresponding to FIG.

FIG. 5 is a plan view of an upper hinge portion of a refrigerator according to the second embodiment of the present invention.

6 is a sectional view taken along line X ₃ -X ₃ in FIG. 5;

FIG. 7 is a sectional view taken along line X ₄ -X _{4 in} FIG.

FIG. 8 is a plan view of an upper hinge portion of a refrigerator according to a third embodiment of the present invention.

FIG. 9 is a sectional view taken along line X ₅ -X ₅ in FIG. 8;

FIG. 10 is a sectional view taken along line X ₆ -X _{6 in} FIG.

FIG. 11 is a plan view of an upper hinge portion of a refrigerator according to a fourth embodiment of the present invention.

FIG. 12 is a sectional view taken along line X ₇ -X _{7 in} FIG.

FIG. 13 is a sectional view taken along line X ₈ -X ₈ in FIG. 11;

FIG. 14 is a plan view of an upper hinge portion of a refrigerator according to a fifth embodiment of the present invention.

FIG. 15 is a sectional view taken along line X ₉ -X ₉ in FIG. 14;

FIG. 16 is a plan view of an upper hinge portion of a refrigerator according to a sixth embodiment of the present invention.

17 is a sectional view taken along line X ₁₀ -X ₁₀ in FIG. 16;

FIG. 18 is an exploded view of the upper hinge portion shown in FIG.

FIG. 19 is a plan view of an upper hinge portion of a refrigerator according to a seventh embodiment of the present invention.

20 is a sectional view taken along line X ₁₁ -X ₁₁ in FIG. 19;

FIG. 21 is an exploded view of the upper hinge portion shown in FIG.

FIG. 22 is a sectional view of a refrigerator door of a refrigerator according to an eighth embodiment of the present invention.

FIG. 23 is a sectional view of a refrigerator door of a refrigerator according to a ninth embodiment of the present invention.

FIG. 24 is a side view of a conventional refrigerator.

FIG. 25 is a plan view of an upper hinge portion of a conventional refrigerator.

FIG. 26 is a sectional view taken along line X ₁₂ -X ₁₂ in FIG. 25;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerator main body 2 Rotating refrigerator door 2a Upper hinge pin receiver 2b Lower hinge pin receiver 6 Upper hinge 6b Upper hinge pin 8 Lower hinge 8b Lower hinge pin 10 Groove 11 Stopper 13 Cover 14 Stopper 15 L-shaped groove 16 Upper hinge 16a Upper hinge front Part 16b Upper hinge rear part 16c Hinge 17 Upper hinge 17a Upper hinge front part 17b Upper hinge rear part 17c Division line 18 Lower hinge 18b Lower hinge pin 19 Lower hinge pin receiver 20 Stopper

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 54-154540 (JP, U) Japanese Utility Model Showa 50-138225 (JP, U) Japanese Utility Model Showa 50-119860 (JP, U) Japanese Utility Model Showa 53- 69053 (JP, U) Jikken 42-19712 (JP, Y1) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05D 7/081 E05D 7/10 F25D 23/02 F25D 23/02 306

Claims (3)

(57) [Claims] 1. An upper hinge pin receiver and a lower hinge pin receiver recessed in upper and lower end surfaces of a rotary door are fitted into an upper hinge pin and a lower hinge pin fixed to a refrigerator body, respectively.
In a refrigerator provided with the door rotatable around the upper and lower hinge pins, the upper hinge pin and the lower hinge pin
The refrigerator away from the opening of the refrigerator body
In addition, the upper end surface of the door has an L-shape in plan view that includes a groove facing the center of the door that extends from the upper hinge pin receiving portion toward the center of the door and a groove that is bent from the groove facing the center of the door toward the inner surface of the door. The groove is provided so as to be deeper than the tip position of the upper hinge pin, and a stopper is provided on the door center side of the door center-facing groove so that the upper hinge pin does not move in the door center-facing groove toward the door center and does not come off. Refrigerator characterized by being detachably attached. 2. A refrigerator having a refrigerator main body with a rotatable door rotatable about upper and lower hinge pins via upper and lower hinges, wherein the upper hinge is provided on a front part of the upper hinge having the upper hinge pin and a refrigerator main body. A refrigerator, which is divided into two parts, a fixed upper hinge rear part and a fixed upper hinge rear part, and the upper hinge rear part and the upper hinge rear part are connected by a hinge. 3. A refrigerator comprising a refrigerator main body having a rotatable door rotatable around upper and lower hinge pins via upper and lower hinges, wherein the upper hinge comprises an upper hinge front portion having the upper hinge pin, and a refrigerator main body. The upper hinge front and upper hinge rear are inseparable on the same plane, and are separated and butt-joined by lifting the upper hinge front upward. A refrigerator characterized by being.