JPH06213560A - Door of refrigerator - Google Patents

Abstract

PURPOSE:To provide a door of a refrigerator wherein a handle structure which does not cause damage to fingers when the door is opened or closed and which is easy to handle and has good production efficiency, and wherein a fixture for a foaming process for common use, which is used when foam-in-place insulating wall is placed, can be used when a door adapted to be opened to the right side is manufactured. CONSTITUTION:In a door of a refrigerator, a frame 6 for forming a handle is provided on one side edge of a door outer plate 9 and a packing mount frame 12 and door inner plate 11 are disposed on the rear side of the plate 9 and foam insulating material is filled thereinto to provide an insulating wall 10, thereby forming a door body, wherein the thickness of the wall 10 is made larger at the middle section thereof and made smaller at the opposite sides thereof, and a vertical handle is formed by means of the frame 6 on the door body wherein the plate 9 is formed into a predetermined arc. And a gripping part 6a of the handle is disposed in the arc formed by the plate 9 and a recess 9a comprising a planar portion 9b and sloped portion 9c is provided at a location where the handle is fixed, wherein the length of the portion 9b is nearly equal to the length of the portion 6a and the length of the portion 9c is nearly equal to the length of a second joint of finger when a finger is attached to the portion 6a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator door, in which a vertical handle is attached to a door body whose door surface plate is formed in a circular arc so that a central portion of a heat insulating wall is thick and both side portions are thin. It is about the door of the refrigerator.

[0002]

2. Description of the Related Art A conventional refrigerator door of this type is shown in FIG.
And it demonstrates with reference to FIG. FIG. 8 is a front view of a conventional refrigerator, and FIG. 9 is a sectional view taken along the line EE of FIG. In FIG. 8, 21 is a refrigerator main body, and this refrigerator main body 21
A freezer compartment door 22, a refrigerating compartment door 23, a chilled compartment door 24, and a vegetable compartment door 25 are attached to the front opening of the. Of the above doors, the freezer compartment door 22 and the refrigeration compartment door 23 are provided with end pieces 27 and 28 above and below a door outer plate 26, as shown in the figure. 29 is a handle forming frame attached to the side edge of the door. This handle forming frame 29 is also the same as the previous end piece.
It is attached so as to hold the door outer plate 26.

Next, the mounting structure of the handle forming frame 29 will be described with reference to FIG. Reference numeral 22 denotes a freezer compartment door.
The freezer compartment door 22 includes a door outer plate 26 and a packing mounting frame 3
0, the door inner plate 31, and the handle forming frame 29 are the foam insulation 3
It is formed integrally using the adhesive force of 2. The side edge of the door outer plate 26 is bent as shown in FIG. 9, and is inserted into the locking groove 29b formed by the handle forming frame 29 that constitutes the handle grip portion 29a. The packing attachment frame 30 is held by the support side 29c formed by the handle forming frame 29.

The side edge of the door outer plate 26 is a heat insulating material 3.
It is bent in the direction of thinning 2. When the freezer compartment door 22 or the refrigerating compartment door 23 is to be opened, a finger is hooked on the handle grip portion 29a as shown in FIG. As for the door of this type of conventional structure, for example, those described in JP-A-2-171576 and JP-A-2-275279 are known.

[0005]

In the conventional door of such a refrigerator, the door is opened because it is so constructed that the finger is hit on the handle grip portion 29a and the ridge line 26b of the door outer plate bent portion 26a. If the doors 22 and 23 try to open strongly due to inertia in the process of doing, the fingers are just pressed against the ridge line 26b by the handle portion 29a, and there is a possibility that the fingers are often injured.

Further, regarding the shape of the handle forming frame in the door having the above structure and the door outer plate formed in an arc shape, the above-mentioned Japanese Patent Laid-Open No. 2-171576. Japanese Patent Laid-Open No. 2-275279
Nothing is mentioned in the publication, for example, when trying to make a left-opening door, there was a problem that foaming labor could not be shared.

The present invention has been made to solve the above-mentioned problems of the prior art, and provides a refrigerator door which is easy to use and has a high production efficiency because a handle structure that does not damage the fingers when opening and closing the door is obtained. The purpose is to do. Another object of the present invention is to provide a door for a refrigerator that can be used for foaming work when filling a foamed insulation wall on site when manufacturing a door that opens left and right.

[0008]

In order to achieve the above object, the most basic constitution of the first invention relating to the refrigerator door of the present invention is such that the central portion of the heat insulating wall is thick and both side portions are thin. In the door body formed by the arc of the door surface plate,
In the refrigerator door with the vertical handle attached,
The handle portion of the vertical handle is located within the arc drawn by the door surface plate.

In order to achieve the above-mentioned object, the concrete constitution of the second invention relating to the door of the refrigerator of the present invention is such that end pieces are provided above and below the door face plate and a handle is provided at one side edge of the door face plate. Forming the frame for forming a packing mounting frame, door inner plate, etc. on the back side of the door surface plate and filling the foamed heat insulating material to form a heat insulating wall, the heat insulating wall has a thick central portion on both sides. In a door of a refrigerator in which a door handle is formed by a predetermined arc so that a door handle is provided with a vertical handle by the handle forming frame, the door handle draws the handle of the vertical handle. While being positioned within the arc, the handle mounting portion of the door surface plate is provided with a diaphragm composed of a flat surface portion and an inclined surface portion,
The flat portion is substantially the same as the length of the handle portion of the handle, and the length of the slope portion is substantially the length of the second joint when the finger is placed on the handle portion.

Further, in order to achieve the above object, the structure of the third invention relating to the refrigerator door of the present invention is such that the packing mounting frame is mounted on the door for mounting the handle forming frame on one side of the door body. The shape of the packing mounting frame attached to the left and right sides of the door body is modified so that the distance between the groove and the end surface of the door is adjusted to the left and right.

Further, according to the fourth aspect of the invention relating to the refrigerator door of the present invention, the abutting portion between the handle forming frame and the end piece is inserted, and the inserting portion of the end piece is inserted into the bag portion formed by the handle forming frame. In this way, the two are combined so that they look like a butt structure in appearance.

Further, in the fifth aspect of the invention relating to the refrigerator door of the present invention, the end piece provided on the door surface is made into a container shape so that the dew on the door surface does not get out of the door body. It is a thing. Still further, according to a sixth aspect of the present invention relating to a refrigerator door of the present invention, the end surface of the door outer plate at the connecting portion between the door outer plate and the handle forming frame has a portion corresponding to a recess serving as a handle grip portion. The handle forming frame is located outside the plane portion.

[0013]

The function of each of the above technical means is as follows. According to the first aspect of the present invention, by positioning the handle portion of the vertical handle within the arc drawn by the door surface plate, the appearance is excellent and the foam work can be shared. Further, according to the second invention, the user's finger is not damaged when the door is opened or closed.

Furthermore, according to the third aspect of the invention, the door inner plate can be shared when the left-opening door is manufactured. Furthermore, according to the fourth aspect of the present invention, when the butted portion of the handle forming frame and the end piece is viewed from the outside, the butted portion and the end piece look like a butted structure so that the appearance can be easily patterned. .

Further, according to the fifth aspect of the invention, since the structure of the end piece is container-shaped, the dew on the door surface does not get out of the door body. Furthermore, according to the sixth aspect, even if a recess is formed in the middle of the side edge of the door by drawing or the like, the starting point of the recess can be covered with the handle forming frame.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a front view of a refrigerator having a door according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along the line AA of FIG. Fig. 3 and Fig. 3 are diagrams when the door of Fig. 2 is a left-opening door,
A cross-sectional view showing the state of incorporation of foam foam when filling the foam insulation material,
4 is a detailed exploded perspective view of the B portion of FIG. 1, FIG. 5 is a sectional view taken along the line CC of FIG. 1, FIG. 6 is a sectional view taken along the line DD of FIG.
FIG. 7 is an enlarged view showing a combined state of the handle forming frame and the door outer plate.

First, in FIG. 1, 1 is a refrigerator main body, 2
Is a freezer compartment door, 3 is a refrigerator compartment door, 4 is a chilled compartment door, and 5 is a vegetable compartment door. Here, the freezer compartment door 2 and the refrigerator compartment door 3 are rotary doors, and the chilled compartment door 4 and the vegetable compartment door 5 are drawer-type doors. Reference numeral 6 is a handle forming frame that constitutes a vertical handle attached to the freezer compartment door 2 and the refrigerating compartment door 3, and 7 and 8 are end pieces. A door structure including the handle forming frame 6 and the end pieces 7 and 8 will be described with reference to FIG. In FIG. 2, reference numeral 9 denotes a door outer plate related to a door surface plate, and this door outer plate 9 is formed by an arc defined so that the central portion of the heat insulating wall 10 is thick and both sides are thin. Reference numeral 11 is a door inner plate, and 12 is a packing attachment frame provided on the left and right sides of the door.

The left and right packing mounting frames 12 shown in FIG.
Although not shown in the drawing, it is formed in a different shape so that the distance (A dimension) from the end face of the door body of the extruded packing is adjusted to the left and right. That is, the plate thickness of the handle forming frame 6 is set to 3
When it is set to mm to 5 mm, the distance from the door end surface to the packing mounting frame 12 is naturally 3 mm to 5 mm. This 3m
In order to absorb the size of m to 5 mm, the packing mounting frame 12 on the right side in FIG.
Is provided. By performing such processing,
The inner door plate 11 is capable of distributing center lines.

Reference numeral 6a denotes a handle portion of the handle forming frame 6, and the handle portion 6a is formed so as to fit exactly within the arc drawn by the door outer plate 9. For this reason, as shown in the drawing, the door outer plate 9 has a recessed portion 9a formed by narrowing the portion facing the handle portion 6a. The concave portion 9a includes a horizontal portion 9b and an inclined portion 9c. Then, as shown in the figure, when a finger is inserted into the hand-holding portion 6a using the recess 9a,
The second joint is formed to have a length that substantially coincides with the ridge line 9d that is the end of the inclined portion 9c. In other words, the finger makes surface contact with the inclined portion 9c.

Although the door body shown in FIG. 2 is a door for opening to the right, FIG. 3 shows the door body for opening the door to the left, and the handle forming frame 6 faces toward FIG. Will be installed on the right side. At this time, the door inner plate 11 is, of course, as shown in FIG.
It can be used also as the door inner plate 11 and the packing mounting frame 12 can be replaced on the left and right. Further, the foam worker 13 can also serve as the foam worker 14 used in FIG.

Next, the connection relationship between the handle forming frame 6 and the end piece 8 will be described with reference to FIG. Reference numeral 15 denotes a bag portion provided on the handle forming frame 6 side.
The front end piece 8 is assembled in such a manner that the end piece 8 is inserted thereinto, and when viewed from the outside, a step 8a is provided on the end piece 8 side so as to have a butt structure. Further, the end piece 8 is formed in a container shape and has a structure for receiving dew on the surface of the door outer plate 9.

Next, a combined structure of the handle forming frame 6 and the door outer plate 9 will be described with reference to FIGS. As shown in FIG. 7, the connecting portion between the door outer plate 9 and the handle forming frame 6 is such that the end surface 9e of the door outer plate 9 on the handle forming frame side corresponds to the recess 9a that serves as a handle for the handle. The outer shape of the handle forming frame side is larger than that of the flat surface portion 9f.

The hatched portion shown in FIG. 7 is the recess 9a of the door outer plate 9.
The portion corresponding to is formed to have a larger outer shape on the handle forming frame side than the flat surface portion 9.
It is g. When the door outer plate 9 and the handle forming frame 6 are connected, the door outer plate 9, the handle forming frame 6, and the end piece 7 are connected.
The appearance design can be improved by arranging the processing of the mating portion of FIG.

That is, the pressing portion 7a of the end piece 7 which is exposed to the door outer plate 9 side has a design effect as the thickness is thinner, so that the dimension a shown in the drawing is made to have a plate thickness of about 1 mm. On the other hand, the handle forming frame 6 on the side of FIG. 5 cannot have a plate thickness of about 1 mm from the beginning in order to obtain strength of the handle portion. Therefore, the end face of the door outer plate 9 is bent as shown in the drawing, and the plate thickness is increased by the amount of the bending, and only the tip portion 6b has a plate thickness of about 1 mm, and the pressing portion 7 of the previous end piece.
It is better to match with a.

[0025]

As described in detail above, according to the present invention, a handle structure which does not damage a finger when the door is opened and closed is obtained.
It is possible to provide a refrigerator door that is easy to use and has high production efficiency. Further, according to the present invention, it is possible to provide a refrigerator door which can be used commonly for foaming when filling the foam insulation wall at the time of manufacturing the door that opens left and right.

[Brief description of drawings]

FIG. 1 is a front view of a refrigerator including a door according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state in which foam insulation is incorporated at the time of filling the foam heat insulating material in a cross section taken along the line AA in FIG.

FIG. 3 is a cross-sectional view showing a state in which the door of FIG. 2 is a left-opening door, and a state in which foam insulation is incorporated at the time of filling the foam insulation material.

FIG. 4 is a detailed exploded perspective view of a B part in FIG.

5 is a sectional view taken along the line CC of FIG.

6 is a sectional view taken along the line DD of FIG.

FIG. 7 is an enlarged view showing a combined state of a handle forming frame and a door outer plate.

FIG. 8 is a front view of a conventional refrigerator.

9 is a cross-sectional view taken along the line EE of FIG.

[Explanation of symbols]

 2 Freezer compartment door 3 Refrigerator compartment door 5 Vegetable compartment door 6 Handle forming frame 6a Handle part 7, 8 End piece 8a Step 9 Door outer plate 9a Recess 9b Horizontal part 9c Inclined part 10 Heat insulation wall 11 Door inner plate 12 Packing frame 13,14 Foam hire 15 bags

Front Page Continuation (72) Inventor Susumu Yamazaki 800 Tomita, Ohira-machi, Shimotsuga-gun, Tochigi Prefecture, Hitachi, Ltd., Living Equipment Division, Heating and Cooling Headquarters (72) Ryoichi Kutomi 800, Tomita, Ohira-machi, Shimotsuga-gun, Tochigi Prefecture Hitachi, Ltd. Living Equipment Division Cooling & Heat Division

Claims (6)

[Claims] 1. A door body in which a door surface plate is formed by a predetermined arc so that a central portion of a heat insulating wall is thick and both side portions are thin,
In the refrigerator door with the vertical handle attached,
A door of a refrigerator characterized in that the handle portion of the vertical handle is located within the arc drawn by the door surface plate. 2. An end piece is provided above and below the door face plate, a handle forming frame is provided at one side edge of the door face plate, a packing mounting frame and a door inner plate are provided on the back side of the door face plate, and a foam insulating material is provided. A door body is formed by filling it into a heat insulating wall, and the door surface plate is formed by the handle forming frame so that the central portion of the heat insulating wall is thick and both side portions are thin so that the door surface plate is formed by the handle forming frame. In a refrigerator door including a handle, the handle portion of the vertical handle is positioned within the arc drawn by the door surface plate, and a handle attachment portion of the door surface plate is provided with a diaphragm including a flat surface portion and a slope portion, The door of the refrigerator is characterized in that the flat portion is almost the same as the length of the handle portion of the handle, and the length of the slope portion is substantially the length of the second joint when the finger is placed on the handle portion. 3. The shape of a packing mounting frame that is mounted on the left and right sides of the door body so that the distance between the mounting groove of the packing mounting frame and the end surface of the packing is aligned left and right in the door where the handle forming frame is mounted on one side of the door body. The door of the refrigerator according to claim 2, wherein the door has a different shape. 4. The abutting portion of the handle forming frame and the end piece is inserted into the bag portion formed by the handle forming frame so that the end piece is inserted into the bag portion so that the two can be seen as a butting structure in appearance. The refrigerator door according to claim 2, wherein the door is combined. 5. The refrigerator door according to claim 2, wherein the end piece provided on the door surface is formed into a container shape so that dew on the door surface does not get out of the door body. 6. A handle forming frame side in which a portion corresponding to a recess serving as a handle grip portion is located outside an end surface of the door outer plate at a connecting portion between the door outer plate and the handle forming frame, as compared with a flat surface portion. 3. It is characterized in that it is located at
Door of the refrigerator described.