JPH08327219A - Swing door attaching and detaching structure for refrigerator - Google Patents

Abstract

PURPOSE: To provide a swing door attaching and detaching structure for a refrigerator which facilitates attachment or detachment of the door. CONSTITUTION: The door 12 of the refrigerator 11 swings with hinges 16 and 8 provided above and beneath the door, and comprises hinge plates 16a and 8a fixed at least to a refrigerator body 11a and hinge pins 16b and 8b provided at the plates 16a and 8a. The door has hinge pin retainers 12a and 2b engaged with the pins so that the gap size B between the lower surface of the plate 16a and the upper edge face 12u of the door of the upper hinge 16 is larger than the effective length A of the pin 8b of the lower hinge 8. The effective size C of the upper pin is formed larger than the gap size B, and the depth size D of the upper pin retainer is set larger than the size C of the upper pin.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotating door attaching / detaching structure for a refrigerator.

[0002]

2. Description of the Related Art In today's society where dietary habits and foods are diversified and housewives have become commonplace in society, the size of refrigerators tends to increase year by year. On the other hand, if the refrigerator becomes large, it is difficult to carry it in and out, and it takes time to dispose of the refrigerator when it is no longer used. Therefore, the refrigerator doors (rotating structure doors and drawer structure doors) have been removed to make them lighter and easier to work with. For this reason, there was a problem that it took time to remove.

13 to 15 show an example 1 of a refrigerator provided with such a conventional rotary door.
3 is a side view, FIG. 14 is an enlarged plan view of a region XIV portion in FIG. 13, and FIG. 15 is a cross-sectional view taken along a plane including a line XV-XV in FIG.

The refrigerator 1 includes a refrigerating compartment door 2 having a rotary structure.
And a freezer compartment door 3 and a vegetable compartment door 4 having a drawer type structure.

The refrigerator compartment door 2 is attached to the refrigerator body 1a by an upper hinge 6 which is covered by an exterior cover body 5 and which supports the upper portion of the refrigerator compartment door 2 and a lower hinge 8 which supports the lower portion of the refrigerator compartment door 2. It is designed so that it can be opened and closed.

Each of the upper and lower hinges 6 and 8 comprises a hinge plate and a hinge pin described below. More specifically, the upper hinge 6 and the lower hinge 8 have their hinge plates 6a and 8a, as can be seen from FIGS.
They are attached to the right end of the ceiling surface 1a ₁ of the refrigerator body 1a and the right end of the front surface 1a ₂ of the partition between the refrigerating room and the freezing room, respectively, with fixing screws 7, and the hinge plate 6a.
The upper hinge pin 6b and the lower hinge pin 8b, which serve as the rotation axis of the refrigerating compartment door 2, are attached to the tip ends of the and 8a by appropriate fixing means such as caulking so as to face each other.

The upper hinge pin 6b and the lower hinge pin 8b are respectively attached to the upper hinge pin receiver 2a provided at the right end portion of the upper edge surface 2u of the refrigerating compartment door 2 and the lower hinge pin receiver 2b provided at the right end portion of the lower edge surface 2d. The refrigerator compartment door 2 is rotatably supported in the clockwise and counterclockwise directions about the central axis S connecting the upper hinge pin 6b and the lower hinge pin 8b. There is.

The symbols 5a and 6d indicate that
Engagement pieces provided on the cover body 5 and the upper hinge plate 6a for attaching the cover body 5 to the upper hinge plate 6a, respectively.

To remove the refrigerating compartment door 2 as described above, the upper hinge 6 is attached to the ceiling surface 1 according to the following three procedures.
Must be removed from a ₁ . That is, first, the cover body 5 of the upper hinge 6 is removed, and secondly, the fixing screw 7 of the upper hinge 6 is loosened. Thirdly, the upper hinge plate 6a is removed from the refrigerator main body 1a, and the fitting between the upper hinge pin 6b and the upper hinge pin receiver 2a is released. In this way, if the upper hinge 6 is removed from the ceiling surface 1a ₁ , the refrigerator compartment door 2
When this is seen in FIG. 15, the lower hinge pin 8b is in a state in which one end is fixed and the other end is free only by being fitted to the lower hinge pin receiver 2b, and thereafter, the refrigerating compartment door 2 is lifted upward, When the lower hinge pin 8b and the lower hinge pin receiver 2b are disengaged, the refrigerating compartment door 2 can be removed.

On the other hand, to attach the refrigerator compartment door 2, after fitting the lower hinge pin 8b into the lower hinge pin receiver 2b,
The above three steps may be reversed, but since the upper hinge 6 is assembled completely, the refrigerator main body 2 may be opened and closed properly when the refrigerator door 2 is attached. It was troublesome because the fine adjustment of the position of the upper hinge plate 6a with respect to 1a had to be performed.

[0011]

SUMMARY OF THE INVENTION The present invention has been invented in view of the above circumstances, and an object of the present invention is to provide a rotary door attaching / detaching structure for a refrigerator in which the rotary door can be easily attached / detached. To provide.

[0012]

The present invention is to solve the above problems and is as follows.
That is, the rotary door attachment / detachment structure for a refrigerator of the present invention according to claim 1 is a refrigerator in which a rotary door of a refrigerator is opened and closed through a hinge, and the hinges are provided above and below the rotary door, and each hinge is , At least a hinge plate fixed to the refrigerator main body, and a hinge pin provided on the hinge plate, the rotary door is provided with a hinge pin receiver fitted with the hinge pin, and an effective dimension of the lower hinge pin according to the lower hinge. The clearance between the lower surface of the upper hinge plate related to the upper hinge and the upper edge surface of the door is larger than the clearance, and the effective size of the upper hinge pin related to the upper hinge is larger than the clearance. The depth dimension of the upper hinge pin receiver related to the upper hinge is larger than the effective dimension of the above.

According to another aspect of the present invention, there is provided a rotary door attaching / detaching structure for a refrigerator, wherein a portion of a hinge pin provided on the upper hinge plate is located between a lower face of the hinge plate of the upper hinge and an upper edge face of the door. It is characterized in that a detachable spacer is arranged on.

According to a third aspect of the present invention, there is provided a rotary door attaching / detaching structure for a refrigerator characterized in that a spacer is formed integrally with a cover body for exterior of the upper hinge.

According to a fourth aspect of the present invention, there is provided a rotating door attaching / detaching structure for a refrigerator in which the rotating door of the refrigerator is opened and closed through a hinge, the hinges are provided above and below the rotating door, and each hinge is provided. Has at least a hinge plate fixed to the refrigerator body, and a hinge pin provided on the hinge plate, the rotary door is provided with a hinge pin receiver fitted with the hinge pin, and at least an upper hinge of the hinge pin receiver is provided. Such an upper hinge pin receiver has a groove in which one end is closed at the upper edge surface of the rotary door and the other end extends all the way to the refrigerator main body side to be opened, and the upper hinge pin related to the upper hinge is fitted into the groove. It is characterized in that it has a stopper that comes into contact with the fitted upper hinge pin at the other end side of the concave groove.

According to a fifth aspect of the present invention, in the rotary door attaching / detaching structure for a refrigerator, one end, which is a closed end of the concave groove, has a shape that conforms to the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the upper hinge pin. The stopper is a detachable pin body that traverses the concave groove.

According to a sixth aspect of the present invention, in the rotary door attaching / detaching structure of the refrigerator, the closed end of the groove is formed in an outer peripheral shape of the upper hinge pin so as to make circumferential contact with the closed end side of the upper hinge pin. Matched shape, the stopper is
It is an elastic body having a constricted shape so as to narrow a part of the recessed groove, and is in a form of surroundingly contacting the other end side which is the opening end of the recessed groove in the upper hinge pin. And

In the rotary door attaching / detaching structure of the present invention as set forth in claim 7, one end, which is a closed end of the concave groove, is formed in a shape matching the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the upper hinge pin. , The stopper is formed by bending the center of the elastic plate-shaped member in a transverse shape to form a V-shape, with the protruding side of the V-shaped elastic plate-shaped member facing downward and bending the one end of the V-shaped elastic plate-shaped member downward. A bent portion, and the other end side of the V-shaped elastic plate member is fixed to the concave groove so that the bent portion contacts the upper hinge pin at the other end side which is the opening end of the concave groove. It is characterized by having done.

[0019]

Therefore, according to the present invention as set forth in claims 1 to 3, the lower surface of the upper hinge plate of the upper hinge and the upper edge surface of the door are larger than the effective dimension of the lower hinge pin of the lower hinge. The clearance dimension between them is increased, the effective dimension of the upper hinge pin relating to the upper hinge is made larger than this clearance dimension, and the depth dimension of the upper hinge pin receiver relating to the upper hinge is made larger than the effective dimension of the upper hinge pin. Therefore, the length dimension of the portion of the upper hinge pin receiver where the upper hinge pin is not fitted is larger than the effective dimension of the lower hinge pin.

Therefore, if the rotary door is lifted to remove the rotary door, the amount of fitting between the upper hinge pin receiver and the upper hinge pin increases correspondingly. Therefore, when the rotary door is lifted until the lower hinge pin is completely removed from the lower hinge pin receiver, the rotary door is supported only by the upper hinge in a state where one end is fixed and the other end is free.

Therefore, if the upper end of the rotary door is lifted outward with the upper hinge as the center of rotation in this state, the relative positions of the lower hinge pin and the lower hinge pin receiver are displaced. Then, if the rotary door is lowered from that state, the upper hinge pin is removed from the upper hinge pin receiver, and the removal of the rotary door is completed.

On the contrary, when the revolving door is attached, the reverse of the above removing procedure, that is, the upper hinge pin is first fitted into the upper hinge pin receiver, and the lower end of the revolving door is moved inward in that state, The revolving door may be slowly separated at the fitting position of the lower hinge pin and the lower hinge pin receiver. Therefore, the revolving door can be attached and detached without removing the hinge plate of the upper hinge.

According to the second and third aspects of the present invention, the detachable spacer is arranged at the portion located between the lower surface of the hinge plate of the upper hinge and the upper edge surface of the rotary door. Therefore, even if the user accidentally lifts the revolving door fully, the spacer restricts the upward movement of the revolving door.

According to the present invention as set forth in claim 3, since the spacer is integrally formed with the exterior cover body of the upper hinge, the number of parts is smaller than that when the spacer and the exterior cover body are separately provided. decrease. For this reason, it becomes easy to manage the parts, and the spacer and the exterior cover body can be assembled at once.

According to the present invention as set forth in claims 4 to 7, at least the upper hinge pin receiver relating to at least the upper hinge among the upper and lower hinge pin receivers has one end closed on the upper edge surface of the rotary door and the other end. Since it has a recessed groove that extends all the way to the refrigerator main body side and is opened, and the upper hinge pin related to the upper hinge is fitted in, and a stopper that abuts the upper hinge pin fitted in this concaved groove on the other end side of the recessed groove. If the stopper function is disabled, the groove will be opened and the upper hinge pin will not be supported.

Therefore, the rotary door is supported only by the lower hinge in a state where one end is fixed and the other end is free.
Therefore, in this state, if the upper end of the rotary door is held outward with the lower hinge as the center of rotation, the upper hinge pin and the upper hinge pin receiver will be disengaged.

On the contrary, when the revolving door is attached, the above-mentioned removal procedure is reversed, that is, the lower hinge pin receiver and the lower hinge pin are fitted to each other, and the upper end of the revolving door is moved inward to maintain the upper hinge pin. If the stopper is made to function at the fitting position between the upper hinge pin receiver and the upper hinge pin receiver, the revolving door is supported by the upper and lower hinges.

Therefore, the rotary door can be attached and detached without removing the hinge plate of the upper hinge.

According to the present invention as set forth in claim 5, one end, which is the closed end of the concave groove, is formed into a shape matching the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the upper hinge pin, and the stopper is the concave portion. Since it is a pin body that traverses the groove, the upper hinge pin comes into surface contact with the closed end side of the concave groove and comes into point contact with the pin body.

Therefore, since the upper hinge pin is in a state where a part of the upper hinge pin is in point contact with the pin body, the upper hinge pin has less frictional resistance and rotates smoothly. Further, in order to suppress or make the stopper function work, it is only necessary to pull out or insert the pin body.

According to the sixth aspect of the present invention, one end, which is the closed end of the concave groove, has a shape that matches the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the closed end side of the upper hinge pin, The stopper is an elastic body having a constricted shape so as to narrow a part of the recessed groove and being in a form of wrapping around the other end side which is the opening end of the recessed groove in the upper hinge pin. Therefore, almost the entire upper hinge pin is in surface contact around its circumference. Therefore, stable support is provided.

When removing the revolving door, the upper end of the revolving door is moved to the outside, and a part of the concave groove narrowed by the stopper which is elastic and constricted is attached to the upper hinge. After overcoming the upper hinge pin, the rotary door is supported only by the lower hinge with one end fixed and the other end free, as described above.

On the contrary, when mounting the rotary door, it is only necessary to move the rotary door inward so that a part of the concave groove narrowed by the stopper gets over the upper hinge pin.

According to the seventh aspect of the present invention, one end, which is the closed end of the concave groove, is formed into a shape matching the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the upper hinge pin, and the stopper is an elastic plate. The center of the strip-shaped body is bent transversely to form a V-shape, and the protruding side of the V-shaped elastic plate-like body is directed downward, and the one end of the V-shaped elastic plate-like body is bent downward to form a bent portion. Since the other end side of the V-shaped elastic plate-like member is fixed to the concave groove so that the curved portion abuts on the upper hinge pin at the other end side which is the opening end of the concave groove, the upper hinge pin is Surface contact is made on the closed end side of the concave groove, and line contact is made with the bent portion of the V-shaped elastic plate member. Therefore, since the upper hinge pin is in a state in which a part of the upper hinge pin is in line contact with the V-shaped elastic plate-like member, the upper hinge pin rotates smoothly with less frictional resistance.

Further, in order to suppress the stopper function, one end of the V-shaped elastic plate-like member which comes into contact with the upper hinge pin may be pushed downward. By doing so, the V-shaped elastic plate-like body rotates downward at one end side around the bending point and becomes a flat plate, so that the concave groove is opened and the rotary door is removed when the rotary door is removed. Even if the upper end side is moved to the outside, there is nothing to prevent the progress.

However, it is necessary to provide an escape hole for the bent portion when the V-shaped elastic plate member is pushed down. Further, in order to activate the stopper function and prevent the rotary door from being removed, the force of pushing one end of the V-shaped elastic plate-like member downward may be released. By doing so, the one end returns from the flat plate shape to the original V-shape due to the elasticity of the plate-like body, so the concave groove is closed again by the V-shaped elastic plate-like body which is the stopper, and the upper hinge pin moves. become unable. Therefore, the opening and closing of the groove can be easily performed only by operating the stopper.

[0037]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings with reference to the accompanying drawings. (First Embodiment) The first embodiment shown in FIGS. 1 to 7 is different from the prior art only in a hinge and a portion related to the hinge. Therefore, only the different portion will be described and other same portions will be described. Are denoted by the same reference numerals as those used in the prior art, and description thereof will be omitted.

The refrigerator 11 is adapted to open and close the refrigerating compartment door 12, which is its revolving door, via upper and lower hinges 16 and 8. The upper hinge 16 has at least an upper hinge plate 16a that is fixed to the ceiling surface 11a ₁ of the refrigerator body 11a, and an upper hinge pin 16b that is provided in a hanging shape at the tip of the upper hinge plate 16a.

As shown in FIG. 1 corresponding to FIG. 14 described in the prior art, the upper hinge pin receiver 1 fitted with the upper hinge pin 16b is provided at the right end portion of the upper edge surface 12u of the refrigerating compartment door 12.
2a is provided, is cut in a plane including II-II line in FIG. 1, and is a cross-sectional view of the state seen in the direction of the arrow with the exterior cover, as shown in FIG. 2, the lower hinge pin 8b is effective. Space B between the lower surface of the upper hinge plate 16a of the hinge 16 above the dimension A and the upper edge surface 12u of the refrigerator compartment door 12
And the effective dimension C of the upper hinge pin 16b is made larger than the clearance dimension B, and the depth dimension D of the upper hinge pin receiver 12a is set to be larger than this effective dimension C. In the dimensions A to F (excluding E), the thickness dimensions (no reference numeral) of the mounting flanges for the upper and lower hinge pin receivers 12a, 2a and the upper hinge pin 16b are negligible and are ignored.

Reference numerals E and F indicate that the upper hinge pin 16b of the upper hinge pin receiver 12a is used.
Is the length dimension of the portion where is not fitted and the amount of fitting between the upper hinge pin receiver 12a and the upper hinge pin 16b.

In the refrigerating compartment door 12, however, the clearance B between the lower surface of the hinge plate 16a of the upper hinge 16 and the upper edge surface of the refrigerating compartment door 12 is smaller than the effective dimension A of the lower hinge pin 8b. Since the effective dimension C of the upper hinge pin 16b is made larger than the clearance B and the depth dimension D of the upper hinge pin receiver 12a is made larger than the effective dimension C, the upper hinge pin 16b of the upper hinge pin receiver 12a is The length dimension E of the non-fitted portion is larger than the effective dimension A of the lower hinge pin 8b. Therefore,
When the refrigerator compartment door 12 is lifted to remove the refrigerator compartment door 12, the upper hinge pin receiver 12a and the upper hinge pin 16b are correspondingly moved.
The amount F of fitting with is increased.

Therefore, when the refrigerating compartment door 12 is lifted until the lower hinge pin 8b is completely removed from the lower hinge pin receiver 2b, the refrigerating compartment door 12 is supported only by the upper hinge 16 in a state where one end is fixed and the other end is free. Become.

Therefore, in this state, if the lower end side of the refrigerating compartment door 12 is lifted outward as shown by the arrow a in FIG. 2 with the upper hinge 16 as the center of rotation, the lower hinge pin 8b and the lower hinge pin receiver 2b are connected. The relative position of shifts. Then, when the refrigerating compartment door 12 is lowered from this state, the upper hinge pin 16b is removed from the upper hinge pin receiver 12a, and the refrigerating compartment door 12 is removed.

On the contrary, when attaching the refrigerator compartment door 12,
The reverse of the above-mentioned removal procedure, that is, the upper hinge pin 16b is first fitted to the upper hinge pin receiver 12a, and the lower end side of the refrigerating compartment door 12 is directed inward in that state (direction opposite to the direction indicated by arrow a in FIG. 2) Then, the refrigerating compartment door 12 may be slowly separated at the fitting position of the lower hinge pin 8b and the lower hinge pin receiver 2b. Therefore, even if the hinge plate 16a of the upper hinge 16 is not removed, the refrigerator compartment door 1
Since 2 can be attached / detached, attachment / detachment work of the refrigerator compartment door 12 can be facilitated.

As in the first modification shown in FIGS. 3 and 4 corresponding to FIGS. 1 and 2, the lower surface 16a ₁ of the hinge plate 16a of the upper hinge 16 and the upper edge surface of the refrigerating compartment door 12 are shown. A spacer 17 in which a vertical slit 17a is formed in the longitudinal direction so as to have a cylindrical shape and a C-shaped cross section may be provided in a portion 16b ₁ of the upper hinge pin 16b located between the spacer 12u and 12u. This cylindrical spacer 17 pushes and expands its slit 17a to form a portion 16b ₁
The slit 17a is formed with a guide portion 17b extending outwardly so that the slit 17a can be easily fitted.

Further, the refrigerating compartment door 12 is provided by the spacer 17.
Since the upward movement of the refrigerator compartment door 12 is restricted, even if the user accidentally raises the refrigerator compartment door 12 to the full extent, the refrigerator compartment door 12 can be prevented from coming off.

Further, unlike the second modification shown in FIGS. 5 and 6 corresponding to FIGS. 1 and 2, respectively, the spacer 17 and the exterior cover body 5 are not separately provided, but the spacer 17 is provided. The spacer portion 5b corresponding to the above may be integrally formed with the cover body 5. By doing so, the number of parts is reduced, which facilitates parts management.

Further, since the spacer can be assembled together with the exterior cover body at once, the production efficiency can be improved. The spacer portion 5b is located slightly inward of the front hanging edge 5d of the exterior cover body 5, and by having such an arrangement relationship, an eaves-like hook portion hooked on the front edge 16a ₁ of the hinge plate 16a. 5c is formed. This hook 5c
Even if the user mistakenly raises the refrigerator compartment door 12 to the full extent, the refrigerator compartment door 12 can be prevented from coming off.

(Second Embodiment) The second embodiment differs from the prior art only in the upper hinge pin receiver relating to the upper hinge and the portion related thereto. Therefore, only the different portion will be described and other portions will be described. The same parts are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIGS. 7 and 8 corresponding to FIGS. 1 and 2, hinges 6 above and below the refrigerator 21 are provided.
The upper and lower hinge pin receivers 22a and 2b according to 8 (for the lower hinge 8 and the lower hinge pin receiver 2b, refer to the second
Drawing based on an example Not shown in Drawing 7-Drawing 12. See FIG. ), At least the upper hinge pin receiver 22a is
A groove 23 formed on the upper edge surface 22u of the refrigerator compartment door 22,
Pin body 2 as a stopper that horizontally traverses the groove 23
It consists of 5.

One end 23a of the recessed groove 23 is closed, the other end 23b is extended to the refrigerator main body 21a side and opened, and the upper hinge pin 6b is vertically inserted from above. In addition, one end 23a which is a closed end
Has an arc shape matching the outer peripheral shape of the upper hinge pin 6b so as to make a circumferential contact with the upper hinge pin 6b. The groove 23 is longer than the upper hinge pin 6b and has a depth dimension, and the upper hinge pin 6b is inserted into the groove 23.
Is enough to enter.

The pin body 25 is arranged so as to abut on the upper hinge pin 6b fitted in the groove 23 on the side of the other end 23b of the groove 23, and is detachably attached to the refrigerating chamber door 22 with respect to the groove 23. It is installed. More specifically, a through hole 27 that horizontally traverses the groove 23 is provided in the refrigerating compartment door 22, and the pin body 25 is detachably fitted into the through hole 27.

In the refrigerator compartment door 22, however, one end 23a of the upper hinge pin receiver 22a is closed by the upper edge surface 22u of the refrigerator compartment door 22 and the other end 23b is extended to the refrigerator body 21a side. The pin body 25 is inserted into the upper hinge pin 6b, and the pin body 25 comes into contact with the upper hinge pin 6b fitted in the groove 23 at the other end 23b side of the groove 23. If it is removed from the hole 27 and its stopper function is disabled, the groove 23 is opened and the upper hinge pin 6b is not supported.

Therefore, the refrigerating compartment door 22 is supported only by the lower hinge 8 in a state where one end is fixed and the other end is free. Therefore, in this state, if the refrigerating compartment door 22 is lowered with the lower hinge 8 as the center of rotation toward the outer side indicated by the arrow a in FIG. 8, the concave groove 23 will move with respect to the upper hinge pin 6b. Hinge pin 6b and upper hinge pin receiver 2
The fitting with 2a comes to come off.

On the contrary, when attaching the refrigerator compartment door 22,
Reverse of the above removal procedure, that is, lower hinge pin receiver 2
b and the lower hinge pin 8b (see FIG. 15) are fitted to each other, and the refrigerating compartment door 22 is moved inwardly (in the direction opposite to the direction indicated by the arrow a in FIG. 8) with its upper end side in that state. The recessed groove 23 moves with respect to the upper hinge pin 6b, and if the pin body 25 is fitted into the through hole 27 at the fitting position of the upper hinge pin 6b and the upper hinge pin receiver 22a, the pin body 25 is formed.
Function as a stopper, so that the refrigerator compartment door 22 is supported by the upper and lower hinges 6. Therefore, the refrigerating compartment door 22 can be attached and detached without removing the hinge plate 6a of the upper hinge 6.
2 can be easily attached and detached.

Further, the closed end 23a of the groove 23 is formed in an arc shape so as to contact the upper hinge pin 6b at its outer periphery (hereinafter, this contact state is referred to as "circumferential contact"), and the pin body 25 is Since it is attached to the refrigerator compartment door 22 so as to traverse the groove 23, the upper hinge pin 6b comes into surface contact with the closed end 23a side of the groove 23 and comes into point contact with the pin body 25. Therefore, the upper hinge pin 6b
Since a part of it is in point contact with the pin body 25, it has less frictional resistance and rotates smoothly.

Further, in order to suppress or activate the stopper function of the pin body 25, it is only necessary to pull out or insert the pin body 25, so that the refrigerating compartment door 22 can be easily attached and detached.

As in the first modified example shown in FIGS. 9 and 10 corresponding to FIGS. 7 and 8, instead of the pin body 25, a constricted shape is formed so as to narrow the part 23c of the concave groove 23. In addition to the above, it is also possible to form an elastic body 28 in the form of a peripherally contacting the other end 23b side of the concave groove 23 in the upper hinge pin 6b.

The elastic body 28 is composed of a pair of mountain-shaped pieces 28a.2.
8a to be comprised by arranging facing each other in the groove 23, and in a state where a part of the groove 23 is deflated narrowed by the top 28a ₁ · 28a _1, both side portions of the top 28a ₁ is , The arc-shaped portion 2 so as to be in circumferential contact with the upper hinge pin 6b.
It is set to 8a ₂ . Therefore, when the recessed groove 23 is viewed from above, the portion where the elastic body 28 is present appears to be constricted, and the upper hinge pin 6b and the closed end 23a of the recessed groove 23 and the elastic body 28.
The upper hinge pin 6b is stopped by abutting the _two arcuate portions 28a ₂ and 23a and 28a ₂ .

In this case, the closed end 2 of the concave groove 23
3a is formed to be in contact with the closed end 23a side of the upper hinge pin 6b circumferentially arcuately, the elastic body 28, a top 28a ₁ · 2 of a portion 23c (other words the elastic body 28 of the groove 23
8a ₁ ) has a constricted shape that is narrower than the outer diameter of the upper hinge pin 6b, and has a concave groove 2 in the upper hinge pin 6b.
3, the upper hinge pin 6b is in surface contact with the entire circumference of the upper hinge pin 6b because the upper hinge pin 6b is circumferentially contacted with the other end 23b side. Therefore, stable support is provided.

When the refrigerating compartment door 22 is removed, if the upper end side of the refrigerating compartment door 22 is moved to the outside indicated by the arrow a in FIG. 10, the constricted elastic body 28 which is the stopper in the concave groove 23 narrows the refrigerating compartment door 22. Part 23c
However, after passing over the upper hinge pin 6b, the refrigerating compartment door 22 is supported only by the lower hinge 8 with one end fixed and the other end free. On the contrary, when the refrigerating compartment door 22 is attached, the upper hinge pin is simply moved by moving the refrigerating compartment door 22 inward so that the part 23a of the concave groove 23 narrowed by the elastic body 28 gets over the upper hinge pin 6b. 6b can be easily supported. Therefore, the refrigerator compartment door 22 can be easily attached and detached.

Further, the stopper is not only the pin body 25 and the elastic body 28 described above, but also the second modification shown in FIGS. 11 and 12 corresponding to FIGS. 7 and 8, respectively.
The elastic plate body 30 may be used.

The elastic plate member 30 is bent in the transverse direction at the center thereof to form a V shape, and the protruding side 30 of the V plate member.
A is downward and one end 30b thereof is bent downward at an acute angle to form a bent portion 30c. The bent portion 30c contacts the upper hinge pin 6b on the side of the other end 23b which is the opening end of the concave groove 23. The other end 30 d of the elastic plate member 30 is fixed in the groove 23. Note that reference numerals 30e and 32 denote holding surface accommodating concave portions provided in the concave groove 23 so as to face the bent points and the bent portions 30c of the V-shaped elastic plate-shaped body 30, respectively.

However, in this case, the concave groove 23
The closed end 23a is formed in an arc shape so as to make circumferential contact with the upper hinge pin 6b, and the elastic plate-like body 30 as a stopper is formed.
Is bent at least in the center to form a V-shape, and the protruding side 30a of the V-shaped elastic plate-like body 30 faces downward, and one end 30b of the V-shaped elastic plate-like body 30 is bent downward to form a bent portion 30c. Since the bent portion 30c contacts the upper hinge pin 6b at the other end 23b side which is the open end of the concave groove 23, the other end 23b side of the V-shaped elastic plate member 30 is fixed to the concave groove 23. The hinge pin 6b comes into surface contact on the closed end 23a side of the concave groove 23, and comes into line contact with the bent portion 30c of the V-shaped elastic plate member 30. Therefore, since the upper hinge pin 6b is in a state in which a part of the upper hinge pin 6b is in line contact with the V-shaped elastic plate-like member, the frictional resistance is reduced and the upper hinge pin 6b rotates smoothly.

In order to suppress the stopper function of the V-shaped elastic plate member 30, one end 30b of the V-shaped elastic plate member 30 that abuts the upper hinge pin 6b is moved downward with a suitable rod-shaped member such as a screwdriver. When pushed, the V-shaped elastic plate-shaped body 30 has one end 30b with the bending point 30e as the center of rotation.
The side pivots downward to form a flat plate, and the groove 23 is opened. At this time, the bent portion 30c is adapted to enter the holding surface storage recess 32.

In order to make the V-shaped elastic plate member 30 function as a stopper, if the force pushing the one end 30b downward is released, the end 30b is elastically deformed from the flat plate shape to the original shape. Since it returns to the V-shape, the groove 23 is closed again by the V-shaped elastic plate member 30. Therefore, since the opening and closing of the concave groove 23 can be easily performed only by operating the V-shaped elastic plate-like body 30, it is possible to easily attach and detach the rotary door.

Further, in the second embodiment, the first
Since the gap B between the lower surface of the hinge plate 6a of the upper hinge 6 and the upper edge surface of the refrigerating compartment door 22 can be set smaller than that of the embodiment, the spacer 17 is not necessary and the appearance is excellent.

[0068]

According to the present invention as set forth in claims 1 to 7, since the rotary door can be attached and detached without removing the hinge plate of the upper hinge, the work for attaching and detaching the rotary door is facilitated. You can According to the present invention described in claims 2 and 3, since the spacer restricts the upward movement of the rotary door, even if the user accidentally lifts the rotary door to the full, Prevents the door from coming off. According to the present invention as set forth in claim 3, since the spacer is integrally formed with the exterior cover body of the upper hinge, the number of parts is reduced as compared with the case where the spacer and the exterior cover body are separately provided. For this reason, it is easy to manage parts and the spacer and exterior cover can be assembled at once,
The production efficiency can be improved. According to the present invention described in claims 4 to 7, since the rotary door can be attached and detached without removing the hinge plate of the upper hinge, the work for attaching and detaching the rotary door can be facilitated. According to the present invention as set forth in claim 5, in order to suppress or make the stopper function of the pin body function as a stopper, it is only necessary to pull out or insert the pin body, so that the rotary door can be easily attached and detached. it can. According to the present invention described in claim 6, when the upper end side of the rotary door is moved to the outside, a part of the concave groove narrowed by the elastic and constricted stopper gets over the upper hinge pin to rotate the rotary door. The door is in a state of being supported by only the lower hinge in the shape of a cantilever having one end fixed and the other end free.
On the contrary, if the upper end side of the rotary door is moved inward, a part of the concave groove narrowed by the stopper will pass over the upper hinge pin and easily support the upper hinge pin.
Therefore, the revolving door can be easily attached and detached. According to the present invention as set forth in claim 7, in order to suppress the stopper function of the V-shaped elastic plate-like member, one end of the V-shaped elastic plate-like member that contacts the upper hinge pin is pushed downward. Since the one end side of the V-shaped elastic plate-like member rotates downward around the bending point as a center of rotation and becomes a flat plate-like shape, the concave groove is opened.
Further, in order to activate the stopper function, if the force pushing the one end downward is released, the one end is returned from the flat plate shape to the original V-shape state by the elasticity of the V-shaped elastic plate-like body, so that the concave groove is It is closed again by the V-shaped elastic plate that is a stopper. Therefore, the opening and closing of the groove can be easily performed only by operating the stopper, so that the rotary door can be easily attached and detached.

[Brief description of drawings]

FIG. 1 is a first structure of a rotating door attachment / detachment structure for a refrigerator according to the present invention.
It is a figure corresponding to FIG. 14 which concerns on the refrigerator which employ | adopted the Example.

FIG. 2 is a cross-sectional view showing a state of being cut along a plane including a line II-II in FIG. 1 and seen in a direction of an arrow with an exterior cover.

FIG. 3 is a diagram corresponding to FIG. 1 showing a first modification of the first embodiment.

FIG. 4 is a cross-sectional view of a state in which the exterior cover is cut on a plane including the line IV-IV in FIG. 3 and viewed in the direction of the arrow.

FIG. 5 is a diagram corresponding to FIG. 1 showing a second modification of the first embodiment.

FIG. 6 is a cross-sectional view of a state in which the exterior cover is cut on a plane including the line VI-VI in FIG. 5 and viewed in the arrow direction.

FIG. 7 is a second view of the rotary door attaching / detaching structure of the refrigerator according to the present invention.
It is a figure equivalent to FIG. 1 which concerns on the refrigerator which employ | adopted the Example.

FIG. 8 is a cross-sectional view of a state of being cut along a plane including the line VIII-VIII in FIG. 7 and seen in the direction of the arrow with an exterior cover.

FIG. 9 is a diagram corresponding to FIG. 1 showing a first modification of the second embodiment.

FIG. 10 is a cross-sectional view showing a state in which an exterior cover is cut on a plane including the line X-X in FIG. 9 and seen in the arrow direction.

FIG. 11 is a diagram corresponding to FIG. 1 and showing a second modification of the second embodiment.

FIG. 12 is a cross-sectional view of a state in which the exterior cover is cut on a plane including the line XII-XII in FIG. 11 and seen in the arrow direction.

FIG. 13 is a side view of a refrigerator having a conventional rotary door.

14 is an enlarged plan view of a region XIV portion in FIG.

FIG. 15 is a cross-sectional view of a state in which the exterior cover is cut on a plane including the line XV-XV in FIG. 14 and seen in the arrow direction.

[Explanation of symbols]

1a Refrigerator body 2b Lower hinge pin receiver 5 Exterior cover 6 Upper hinge 6a Upper hinge plate 6b Upper hinge pin 8 Lower hinge 8a Lower hinge plate 8b Lower hinge pin 11 Refrigerator 11a Refrigerator body 12 Revolving door 12a Upper hinge pin receiver 16 Upper hinge 16a Upper Hinge plate 16b Upper hinge pin 16b ₁ Upper hinge pin portion 17 Spacer 21 Refrigerator 21a Refrigerator main body 22 Revolving door 22a Upper hinge pin receiver 23 Recessed groove 23a One end (recessed groove) 23b Other end (recessed groove) 23c Part of recessed groove 25 Pin Body (Stopper) 28 Elastic Body (Stopper) 30 (C-shaped) Elastic Plate-like Body (Stopper) 30a Projection Side (of Elastic Plate-like Body) 30b One End (of Elastic Plate-like Body) 30c Other End (Elastic Plate-like) Body) A Effective size (of lower hinge pin) B Clearance size (of upper hinge plate) ) C effective size (upper hinge pin) D on hinge pin received in the depth between the surface and the upper edge surface of the rotary door

Claims (7)

[Claims] 1. A refrigerator in which a revolving door of a refrigerator is opened and closed through a hinge, the hinges are provided above and below the revolving door, and each hinge has at least a hinge plate fixed to the refrigerator body, and this hinge plate. And a hinge pin receiver that fits with the hinge pin is provided on the rotary door, and the upper hinge plate lower surface of the upper hinge and the door than the effective dimension of the lower hinge pin of the lower hinge are provided. Increase the gap between the upper edge surface and
Rotation of a refrigerator characterized in that the effective size of the upper hinge pin related to the upper hinge is made larger than the clearance size, and the depth size of the upper hinge pin receiver related to the upper hinge is made larger than the effective size of the upper hinge pin. Type door removable structure. 2. A detachable spacer is arranged on a portion of a hinge pin provided on the upper hinge plate, which is located between a lower face of the hinge plate of the upper hinge and an upper edge face of the door. The rotating door attachment / detachment structure for a refrigerator according to claim 1. 3. The rotary door attachment / detachment structure for a refrigerator according to claim 2, wherein the spacer is integrally formed with a cover body for covering the upper hinge. 4. A refrigerator in which a revolving door of a refrigerator is opened and closed through a hinge, the hinges are provided above and below the revolving door, and each hinge has at least a hinge plate fixed to the refrigerator body, and this hinge plate. And a hinge pin receiver that fits with the hinge pin is provided on the rotary door, and at least one of the hinge pin receivers has an upper hinge pin receiver that is associated with an upper hinge. Is closed and the other end extends all the way to the refrigerator body side and is opened, and the upper hinge pin related to the upper hinge is fitted into the groove, and the upper hinge pin fitted into the groove is abutted at the other end side of the groove. A rotating door attachment / detachment structure for a refrigerator, which has a stopper in contact therewith. 5. One end, which is a closed end of the recessed groove, is formed into a shape that matches the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the upper hinge pin, and the stopper is detachable across the recessed groove. The rotary door attachment / detachment structure for a refrigerator according to claim 4, wherein the structure is a pin body. 6. One end, which is a closed end of the recessed groove, is formed into a shape matching the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the closed end side of the upper hinge pin, and the stopper is formed in the recessed groove. An elastic body having a constricted shape so as to narrow a part thereof and having a shape that is circumferentially contacted in a wrapped manner on the other end side which is the opening end of the concave groove in the upper hinge pin. The rotating door attachment / detachment structure of the refrigerator described in 4. 7. One end, which is a closed end of the recessed groove, has a shape that conforms to the outer peripheral shape of the upper hinge pin so as to make circumferential contact with the upper hinge pin, and the stopper traverses the center of the elastic plate-like body. To form a V-shape, and the bent side of the V-shaped elastic plate is turned downward and the one end of the V-shaped elastic plate is bent downward to form a bent part, and the bent part is connected to the upper hinge pin. 6. The rotation of the refrigerator according to claim 5, wherein the other end of the V-shaped elastic plate member is fixed to the groove so that the other end of the groove, which is the open end, abuts. Type door removable structure.