JP2512881Y2 - Structure of door packs such as refrigerators - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door pack having a groove formed therein, a door plate having an end facing the groove of the door pack when assembled, and a space between the door pack and the door plate. The present invention relates to the structure of a door pack, which is composed of a heat insulating material filled in the door pack, and in which the arrow-shaped portion of the door gasket is inserted into the groove of the door pack, and particularly to the structure of the door pack suitable for application to a refrigerator or the like. .

[0002]

2. Description of the Related Art Refrigerators are well known without mentioning literature names, and are constructed of a heat-insulating box, and an opening is formed in the front surface thereof. An opening / closing door is provided at the opening. A door gasket is attached to a peripheral portion on the back side of the opening / closing door, and the gasket comes into contact with the end surface of the opening of the heat insulating box when the opening / closing door is closed. A door gasket provided on the back side of the opening / closing door of such a refrigerator is disclosed in Japanese Utility Model Publication No. 61-2467 and 62-12.
It is well known in the art as disclosed in Japanese Patent No. 228, No. 62-41178 and the like. And a typical example thereof is schematically shown in FIG.

The door gasket 60 includes a substrate portion 61,
The arrow-shaped portion 62, a plurality of fins 63, 64, 65, a magnet 66, and the like. The open / close door body is composed of the door pack 70, the door plate 80 formed of, for example, non-rust steel, and the foam material 85. The structure of these door packs 70 is also the same as that of the door plate 80. The structure is well known in the related art, and a groove 71 into which the arrow-shaped portion 62 of the door gasket 60 is inserted is formed in the peripheral portion of the door pack 70. The peripheral edge of the door plate 80 is bent into a U shape, and its end 81 faces the groove 71.

Therefore, when the arrow-shaped portion 62 is pressed from above the fin 65 with a roller or the like and inserted into the groove portion 71, the door gasket is attached to the opening / closing door body in a state where the substrate portion 61 thereof is in close contact with the surface of the door pack 70. It will be. When the opening / closing door is closed in this state, the magnet 66 of the door gasket is magnetized to the refrigerator body to prevent the cool air from leaking to the outside of the refrigerator and the air chambers 67, 68 covered with the fins 63, 64, 65. This prevents cold air from entering the magnet 66 from the inside.

[0005]

As described above, the conventional door gasket 60 has the excellent effect that it can be attached to the opening / closing door only by inserting the arrow-shaped portion 62 into the groove 71 of the door pack 70. . However, the conventional door gasket has a drawback that it has poor mounting operability or workability with respect to the opening / closing door body. That is, according to the conventional example shown in FIG. 2, the door pack 70 and the door plate 8 are
After assembling 0 and, for example, urethane is foamed to make the door pack 70 in a non-deformable state, the arrow-shaped portion 62 is manually inserted into the groove portion 71 using a roller or the like. Although the gasket 60 has the advantage that it cannot be easily removed from the groove 71, it has the drawback that it cannot be inserted easily and the work efficiency is poor. On the other hand, the groove portion 71 of the door pack 70 that is easily deformed
According to the assembling method in which the arrow-shaped portion 62 is attached to the door plate 80, the door plate 80 is set to the door plate 80, and foaming is performed, the insertion work efficiency is improved. However, as shown in FIG. 3, when inserting the arrow-shaped portion 62, the groove portion 71 of the door pack 70 expands, and the arrow-shaped portion 62 of the door gasket 60 easily comes off from the groove portion 71 during use. There are drawbacks. The present invention has been made in view of the above-described conventional circumstances, and the arrow-shaped portion of the door gasket can be easily inserted into the groove portion of the door pack, and the door gasket, that is, the arrow-shaped portion can be removed from the door pack during use. It is intended to provide a structure of a door pack such as a refrigerator that cannot be removed carelessly.

[0006]

In order to achieve the above object, the present invention provides a door pack having a groove portion, a door plate having an end portion facing the groove portion of the door pack when assembled, and In a door of a refrigerator or the like, which is composed of a heat insulating material filled between a door pack and a door plate, and in which the arrow-shaped portion of the door gasket is inserted in the groove portion of the door pack, outside the groove portion of the door pack. Is provided with a rib, and in the invention according to claim 2, the rib rises tangentially from the bulging portion of the groove portion of the door pack, and the rib according to the invention according to claim 3 abuts against the end of the door plate. It is configured.

[0007]

Since the present invention is constructed as described above,
Insert the arrow shape of the door gasket into the groove of the door pack. Then set it on the door plate. Then, a heat insulating material is foamed between the door plate and the door pack. In the invention according to claim 2, since the rib rises tangentially from the bulging portion of the groove portion of the door pack, when the door pack is set on the door plate, while the rib is in contact with the end portion of the door plate, Or set while guiding. In the device according to the third aspect, since the rib is in contact with the end portion of the door plate, the rib is used for positioning. Then, a heat insulating material is foamed between the door plate and the door pack.

[0008]

The present invention can be implemented in various forms. For example, the rib for preventing the deformation of the groove portion of the door pack can be implemented even if the plate thickness of the door pack is partially thick. Therefore, the rib also includes such a thick portion. Further, the rib or the thick portion can be formed even if it is separated from the end portion of the door plate, but the drawing shows an example in which the rib or the thick portion is in contact with the end portion of the door plate. In practicing the present invention, ribs or thickened portions are preferably provided on both outer sides of the groove portion of the door pack. This is because the deformation of the groove is further prevented. But in the figure,
Only the example provided on the end side of the door plate is shown.

An embodiment of the present invention will be described below. Figure 1
It is a cross-sectional view of the door gasket 1 portion of the heat insulation door D,
Referring to the figure, the outline shape of the door gasket 1 is
It is understood that it is the same as the conventional door gasket shown in FIG. 2 or FIG. That is, the door gasket 1 includes a flat substrate portion 2 formed of, for example, high-polymerization vinyl chloride, an arrow-shaped portion 3 having a substantially arrow shape, a plurality of fins 4, 5, 6 and a heat insulating door D. It is composed of a magnet 7 which is magnetized to the main body when closed. The arrow-shaped portion 3 is a portion to be inserted into a groove portion 23 of the door pack 20 described later, and has a hollow arrow shape. Therefore, it is inserted into the groove portion 23 in a state of being elastically deformed and reduced in diameter, and once inserted, the original state is restored and the dropout is prevented by the arrow.

The arrow-shaped portion 3 is formed on one surface of the substrate portion 2 as described above, but the first, second and third fins 4, 5, 6 are formed on the other surface on the opposite side. , Is formed integrally with the substrate portion 2 from a flexible synthetic resin, for example. The base of the first fin 4 is located on the surface opposite to the arrow-shaped portion 3, and the fin reaches the bag body 10 enclosing the magnet or the rubber magnet 7 through the bulging portion. Similarly, the second and third fins 5 and 6 also extend from the base plate portion 2 and reach the bag body 10 via the bulging portion. The first and second air chambers 12 and 13 are formed by the first, second and third fins 4, 5, and 6 and the substrate portion 2 as described above.

As shown in FIG. 1, the heat-insulating door body includes a door pack 20 made of, for example, hard vinyl chloride, a door plate 30 made of rust-free steel, and a door plate 30.
The heat insulating material 26 is foamed between the door pack 20 and the door plate 30. The door pack 20 is located inside the heat-insulating door body and has the same overall shape as the conventional one, and the peripheral edge portion of the door gasket 1 with which the substrate portion 2 is in contact is a flat portion 21. The flat portion 21 is bent downward to integrally form the groove portion 23. As shown in the drawing, the groove 23 has a substantially circular cross section, and the inside of the groove 23 is wider than the inside of the neck 24. In this embodiment, when set, a rib 25 is provided on the end portion 34 side of the door plate 30 so as to straddle the neck portion 24 in a side view, as shown in FIG. A plurality of them are formed at important points at intervals. More specifically, the rib 25 is shown in FIG.
As shown in FIG. 3, the bulging portion 23a rises tangentially, and the outside thereof is at the end portion 34 of the door plate 30.
Is in contact with The door plate 30 is bent into a U shape so as to have a front surface portion 31 that is an outer side of the heat insulating door body, a side portion 32 that is a peripheral surface, and a back surface portion 33 that is an inner side. The end portion 34 of the back surface portion 33 extends near the neck 24 of the groove portion 23.

Next, the operation of the above embodiment will be described.
The sagittal portion 3 of the door gasket 1 is positioned in the groove portion 23 of the door pack 20, and the door gasket 1 is pushed from above by a roller or a finger. Then, the pressing force is transmitted to the arrow-shaped part 3,
The arrow-shaped portion 3 is reduced in diameter by the neck portion 24 of the groove portion 23 and enters the inside. Upon entering the inside of the groove portion 23, the arrow-shaped portion 3 is restored to the original state. Therefore, the arrow-shaped portion 3 fits into the groove portion 23,
The door gasket 1 is fixed to the door pack 20. Then, the door plate 30 is set as shown. Then, for example, urethane is foamed between the door plate 30 and the door pack 20 to fill the heat insulating material 26.

According to this embodiment, various effects can be obtained. For example, the ribs 25 are formed on the door pack 20, so that the strength is increased. Therefore, even if the arrow-shaped portion 3 is inserted into the groove portion 23 before being filled with the heat insulating material 26, the groove portion 2
3 does not open carelessly. In this way, the arrow-shaped portion 3 of the door gasket 1 can be inserted into the groove portion 23 of the door pack 20 before being filled with the heat insulating material 26, so that it can be easily inserted in a short time. Moreover, since the rib 25 is in contact with the end 34 of the door plate 30, the deformation of the groove 23 in the opening direction is prevented at the end 34 of the door plate 30. Therefore, the arrow-shaped portion 3 of the door gasket 1 does not come out of the groove portion 21 during use. Further, when the door pack 20 is set on the door plate 30, the ribs 25 provided at important points are guided by the end portions 34 of the door plate 30.

[0014]

As described above, according to the present invention, since the ribs are provided on the outside of the groove portion of the door pack, the door pack is filled with the heat insulating material between the door plate and the door pack. Even if the arrow-shaped portion of the door gasket is inserted into the groove portion, the effect peculiar to the present invention that the groove portion of the door pack does not spread to the outside can be obtained. Further, since the ribs are provided, the arrow-shaped portion of the door gasket does not come off from the groove portion of the door pack during use. According to the second aspect of the invention, since the rib rises tangentially from the bulging portion of the groove portion of the door pack, in addition to the above effect, when the door pack is set on the door plate, it is guided by the rib and smoothly set. it can. According to the third aspect of the invention, since the rib is in contact with the end of the door plate, the rib can be used to position the door pack. Further, when the door is opened, the arrow-shaped portion acts so as to come out of the groove portion, but the groove portion is surely prevented from expanding and the arrow-shaped portion does not come out.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an embodiment of the present invention, in which (a) is a door gasket portion and (b) is a sectional view.
FIG. 4 is a sectional view showing details of a rib portion.

FIG. 2 is a sectional view showing a conventional example.

FIG. 3 is a cross-sectional view showing a state in which a groove of a conventional example is deformed.

[Explanation of symbols]

 1 Door Gasket 3 Arrow Section 20 Door Pack 23 Groove 25 Rib 30 Door Plate 34 End

Claims (3)

(57) [Scope of utility model registration request] 1. A door pack having a groove formed therein, a door plate having an end facing the groove of the door pack when assembled, and heat insulation filled between the door pack and the door plate. A door such as a refrigerator in which the arrow-shaped portion of the door gasket is inserted into the groove portion of the door pack, wherein the outside of the groove portion of the door pack is provided with a rib, etc. Door pack structure. 2. The structure of a door pack for a refrigerator or the like, wherein the rib according to claim 1 rises tangentially from a bulging portion of a groove portion of the door pack. 3. The structure of a door pack for a refrigerator or the like, wherein the rib according to claim 1 is in contact with an end of a door plate.