TW202136694A - Refrigerator capable of fixing the two front panels of glass surface material and steel plate to the same frame member - Google Patents

Abstract

The present invention provides a refrigerator equipped with a refrigerator door capable of fixing the two front panels of glass surface material and steel plate to the same frame member. The refrigerator door 14 of the refrigerator 1 has a door frame 35, a back panel 36, and a front panel 33. The door frame 35 has an upper cover material, a lower cover material, a right cover material, and a left cover material. The lower cover material has a plate-shaped cover material body, a front rib extending upward from the upper surface of the cover material body, and a recess 57d between the cover material body and the front rib. The front rib has a joint surface on the front. The front rib is provided behind the front end of the cover material body, and is at a distance from the cover material body that can support the glass plate. The cover material body has a supporting surface 55d on the upper surface forward of the front rib. When the front panel 33 is formed of a steel plate material, the front panel 33 has an end bent toward the back side below, and the end is inserted into the recess. When the front panel 33 is formed of glass, the lower side surface of the front panel 33 is supported by the support surface 55d, the back surface of the front panel 33 is joined to the joint surface.

Description

refrigerator

The present invention relates to a door of a refrigerator.

In refrigerators, glass panels or steel plates are mainly used for the front panel of the refrigerator door that opens and closes the storage compartment. Generally, the glass surface material used for the front panel of the refrigerator door may be thicker than the steel plate. When the front panel is installed on the frame member of the refrigerator door, if the front panel is a steel plate, a groove for holding the end surface of the steel plate is provided on the frame member. On the other hand, when the current panel is a glass surface material, the frame member is provided with a receiving surface that supports the glass surface material in the height direction and a joint surface for fixing the glass surface material along the back surface of the glass surface material.

As a conventional refrigerator door, a groove is formed in the frame member of the refrigerator door, and the inwardly bent flange provided on the peripheral edge of a thin plate such as a steel plate is caught in the groove to form the door body. Then, when attaching the makeup panel to the door body, overlap the makeup panel on the surface of the door body, insert and cover the side strip (cover) from the top of the makeup panel, and fix the side strip to the frame member with screws, thereby fixing the side strip to the frame member. The makeup board is attached to the door body (for example, refer to Patent Document 1).

Patent Document 1: Japanese Patent Application Laid-Open No. 62-98181

However, in the above-mentioned refrigerator, it is necessary to fix the vanity board to the cover in front of the door, and it is necessary to install the cover to the door frame with screws. In addition, this is not suitable for a case where a front panel such as a glass plate thicker than a steel plate, which has no flange that is bent inward at its peripheral edge, is attached to a frame member.

In order to solve the above-mentioned problems, the present invention proposes a refrigerator door that can suppress the increase of components and can mount two front panels of glass surface material and steel plate to the same frame member.

In order to solve the above problems, the refrigerator of the present invention includes: a refrigerator body with a storage compartment inside; and a refrigerator door that opens and closes the storage compartment of the refrigerator body. The refrigerator door has a door frame, a back panel and a front panel. The door frame has an upper cover material, a lower cover material, a right cover material and a left cover material. The lower cover material has a plate-shaped cover body constituting the lower surface of the refrigerator door, a front rib provided on the upper surface of the cover body and extending upward, and a recessed portion sandwiching the front panel between the cover body and the front rib. The front rib has a joining surface for joining the front panel. The front rib is provided at the rear of the front end of the cover body, and is at a distance from the cover body that can support the glass plate. The cover body has a supporting surface on the upper surface forward of the front rib. When the front panel is formed of a steel plate, the front panel has an end bent toward the back side below, and the end is inserted into the recess. When the front panel is formed of glass, the lower side surface of the front panel is joined to the supporting surface, and the rear surface of the front panel is joined to the joining surface.

The present invention can suppress the increase of members, and can mount the front panel of the glass surface material and the front panel of the steel plate to the door frame of the same frame member.

Hereinafter, the refrigerator according to the embodiment of this specification will be described with reference to the drawings. This specification is not limited to the following embodiments, and can be modified or omitted without departing from the spirit of the specification. Then, the diagram may also simplify the actual structure to show the case. In addition, there are cases where the size of the components and the positional relationship between the components in the drawings are different from the actual ones. In addition, with regard to reference symbols, those marked with the same symbol are the same, and this is common throughout the specification. In addition, in the following description, in order to make it easier to understand, the terms indicating the direction (for example, "up", "up", "down", "down", "left", "left", "right", " "Right", "Front", "Front", "Front of Eye", "Back", "Back", "Deep", "Depth", "Inside", "Outside", etc.), but this is for illustration, These terms do not limit the present invention. In addition, in this specification, in order to show the positional relationship of each component with respect to the refrigerator and the refrigerator door, when the refrigerator and the refrigerator door which the refrigerator has are viewed from the front, the above-mentioned terms are used. In addition, the right angle in this specification refers to an angle in the range of 90±5°.

[Embodiment Mode 1] Hereinafter, the structure of the refrigerator 1 of Embodiment Mode 1 will be described.

Fig. 1 is a front view of a refrigerator 1 according to Embodiment 1 of the present invention. Fig. 2 is a cross-sectional view of the refrigerator 1 of Embodiment 1 of the present invention.

As shown in FIGS. 1 and 2, the refrigerator 1 includes a cabinet 2 as a refrigerator body. The front (front) of the box 2 is open, and a storage space 3 is formed inside. The box body 2 is composed of an outer box 4 made of steel plate, an inner box 5 made of resin, and a heat insulating material 6 filled between the outer box 4 and the inner box 5. The storage space 3 is divided into a plurality of storage rooms by a plurality of heat-insulating partition walls 7, that is, the refrigerating room 8, the switching room 9, the ice making room 10, the freezing room 11, and the vegetable room 12.

Below the refrigerating compartment 8, a switching compartment 9 capable of switching the refrigerating temperature and an ice making compartment 10 next to the switching compartment 9 are arranged. The freezer compartment 11 is arranged under the switching compartment 9 and the ice making compartment 10, and the vegetable compartment 12 is arranged under the freezer compartment 11. The front opening of the refrigerator compartment 8 is opened or closed by the refrigerator compartment left door 13 and the refrigerator compartment right door 14 of the refrigerator door. The refrigerating compartment left door 13 and the refrigerating compartment right door 14 are attached to the refrigerator body using a hinge not shown. The refrigerating compartment left door 13 and the refrigerating compartment right door 14 are revolving doors and can rotate independently of each other. The front openings of the switching compartment 9, the ice making compartment 10, the freezing compartment 11, and the vegetable compartment 12 are opened or closed by the drawer-type switching compartment door 15, the ice making compartment door 16, the freezing compartment door 17, and the vegetable compartment door 18, respectively.

In addition, in this embodiment, the front opening of the refrigerator compartment 8 is opened or closed by the refrigerator compartment left door 13 and the refrigerator compartment right door 14, but the present invention is not limited to this. The refrigerator door may be a single refrigerator door open or closed. Architecture. In addition, the positions of the switching chamber 9 and the ice making chamber 10 may be opposite to those of FIG. 1. In Fig. 1, the refrigerating compartment 8 is arranged in the uppermost section, and the switching compartment 9 and the ice making compartment 10 are arranged side by side underneath, the freezing compartment 11 is arranged underneath, and the vegetable compartment 12 is arranged in the lowermost stage. However, the storage space in the refrigerator 1 3 is not limited to such a configuration.

The freezer compartment 11 is provided with a cooler 31, and the cold air cooled by the cooler 31 is blown to the refrigerating compartment 8, the switching compartment 9, the ice making compartment 10, the freezing compartment 11, and the vegetable compartment 12.

The refrigerator 1 includes an operation panel 20 on the front side of the refrigerator compartment left door 13 or the refrigerator compartment right door 14. The operation panel 20 is a user interface for setting the refrigerator 1 according to the user's operation content. With the operation panel 20, the set temperature of each of the refrigerating compartment 8, the switching compartment 9, the freezing compartment 11, and the vegetable compartment 12 can be adjusted.

The refrigerator 1 is provided with a door locking device (not shown) in the lower left portion of the left door 13 of the refrigerator compartment and the lower right portion of the right door 14 of the refrigerator compartment, as viewed from the front.

Fig. 2 shows a section of the refrigerator 1 in the depth direction at a position where the right door of the refrigerating compartment is longitudinally sectioned. A vacuum heat insulating material for reducing the intrusion of heat from the outside of the refrigerator 1 into the storage space 3 is provided between the outer box 4 and the inner box 5. The vacuum insulation material 23 for the left door of the refrigerator compartment, the vacuum insulation material 24 for the right door of the refrigerator compartment, the vacuum insulation material 25 for the freezer compartment door, and the vacuum insulation material 26 for the vegetable compartment door are installed at the left door 13 of the refrigerator compartment and the right door 14 of the refrigerator compartment. , The freezer compartment door 17 and the inside of the vegetable compartment door 18. As an example, the thermal conductivity λ of the vacuum insulation material used in the above structure is 0.002W/m. K. In addition, the vacuum insulation material 23 for the left door of the refrigerator compartment and the outer frame of the left refrigerator door 13 and the vacuum insulation material 24 for the right door of the refrigerator compartment and the outer frame of the right door 21 of the refrigerator compartment are filled with urethane foam. As an example, the thermal conductivity λ of polyurethane foam is 0.02W/m. K.

The compressor 30 is arranged at the lower part of the back of the refrigerator 1. The refrigerant compressed by the compressor 30 is condensed in a condenser (not shown). The condensed refrigerant is decompressed by a capillary tube (not shown) as a pressure reducer. The decompressed refrigerant evaporates in the cooler 31, and the periphery of the cooler 31 is cooled by the heat absorption during the evaporation. The compressor 30, the condenser, the capillary tube as a pressure reducer, and the cooler 31 constitute a refrigeration cycle.

On the back side of the refrigerating compartment 8, a cold air blowing duct 32 made of, for example, expanded polystyrene for introducing cold air into the refrigerating compartment 8 is provided. A control board (not shown) made of synthetic resin is provided in front of the cold air blowing duct 32 to cover the cold air blowing duct 32. This control board is covered by a steel plate and a heat insulating material, and the back of the outer box 4 of the refrigerator 1 is screwed on the steel plate and fixed, whereby the control board is mounted on the outer box 4. The control board is supplied with commercial power.

The baffle (not shown) provided in the cold air blowing duct 32, the compressor 30, and the blower are controlled by the control board. The control board detects the temperature of the refrigerating compartment 8, the switching compartment 9, the ice making compartment 10, the freezing compartment 11, and the vegetable compartment 12 by a temperature detection device (not shown) such as a thermistor, and controls the cooling capacity and cooling of the refrigeration cycle The start and stop of the operation, the opening and closing of the baffle, and the operation state of the blower make the storage space 3 a target set temperature.

Fig. 3 is a perspective view showing the components constituting the left door 13 of the refrigerating compartment and the right door 14 of the refrigerating compartment separately and shown. In addition, an operation panel 20 is arranged on the left door 13 of the refrigerator compartment.

As shown in FIG. 3, the right refrigerator door 14 is composed of a front panel 33 forming a shaped panel, a double-sided tape 34, a door frame 35 of a frame member of the right refrigerator door 14, a vacuum insulation material 24, and a back panel 36. The front panel 33 is formed using glass. A vacuum heat insulating material 24 is arranged in the door frame 35, and a back panel 36 is attached to the rear side of the door frame 35. In addition, a front panel 33 is attached to the front side of the door frame 35 with a double-sided tape 34. Finally, urethane foam (not shown) is injected into the gap between the vacuum heat insulating material 24, the door frame 35, the front panel 33, and the back panel 36. In this way, the right door 14 of the refrigerator compartment is constructed. Similar to the refrigerator compartment right door 14, the refrigerator compartment left door 13 is composed of a front panel 133, a double-sided tape 134, a door frame 135 of a frame member of the refrigerator compartment right door 14, a vacuum insulation material 23 for the refrigerator compartment left door, and a back panel 136. In addition, a hot melt adhesive (not shown) may be used instead of the double-sided tape 34.

In FIG. 3, the structure when the front panel 33 is formed of glass is shown. When the front panel 33 is formed of a steel plate, the structure of FIG. 3 can omit the double-sided tape 34 or hot melt adhesive. At this time, the front panel 33 has an end portion 38a, an end portion 38b, an end portion 38c, and an end portion 38d that are bent rearward at the left, right, upper, and lower peripheral edge portions 37. The end 38b and the end 38d are shown in FIGS. 5 and 7. These end portions 38a to 38d are members for mounting and fixing the front panel 33 to the door frame 35. Even in this situation, the structure of the door frame 35 is the same as the case where the front panel 33 is formed of glass, and is the same as the structure shown in FIG. 3.

In FIG. 3, the door frame 35 of the right door 14 of the refrigerator compartment is equipped with the left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d. The door frame 35 is formed by assembling and fixing the left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d. The left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d respectively constitute one side of the door frame. Similarly, the door frame 135 of the left door 13 of the refrigerator compartment is equipped with the left cover material 139a, the right cover material 139b, the upper cover material 139c, and the lower cover material 139d. The door frame 135 is formed by assembling and fixing the left cover material 139a, the right cover material 139b, the upper cover material 139c, and the lower cover material 139d. The left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d respectively constitute one side of the door frame. The left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d are all formed by plastic molding, but the materials of the left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d are not limited to this , Can also be formed by metal forming. The same applies to the left door 13 of the refrigerator compartment.

In this specification, the structure of the right door 14 of the refrigerator compartment is demonstrated. Regarding the refrigerating compartment left door 13, although the length of the left and right sides is different when it is installed in the refrigerator 1, since it is a left-right symmetrical structure with the refrigerating compartment right door 14, the description is omitted in this specification.

FIG. 4 is an enlarged perspective view showing a part included in the area D of the left cover material 39a and the lower cover material 39d of the door frame 35 in FIG. 3. In FIG. 4, the coupling of the left cover material 39a and the lower cover material 39d of the door frame 35 is in the state separated.

In FIG. 4, the left cover material 39a, when constituting a part of the door frame 35, has a left cover material body 40a constituting the left side of the door frame 35, a front rib 41a extending in the vertical direction, and a lower rib extending in the front-rear direction 42a. A rear rib 43a extending in the up-down direction. The front rib 41a, the lower rib 42a, and the rear rib 43a are provided on the inner surface of the left cover body 40a, that is, the right surface 44a. The front rib 41a, the lower rib 42a, and the rear rib 43a are each formed continuously from the left cover body 40a, extend rightward when the door frame 35 is formed, and have a shape protruding to the right. The front rib 41a is arranged forward of the rear rib 43a. The lower rib 42a is arranged at the lower end of the left cover body 40a. Although not shown, the left cover 39a extends in the front-rear direction at the upper end of the left cover main body 40a, and has an upper rib that extends to the right and protrudes to the right. The upper rib is provided on the right surface 44a of the left cover body 40a.

Moreover, as shown in FIG. 4, the left cover material 39a has the engagement rib 46a provided on the right surface of the left cover material main body 40a parallel to the lower side rib 42a above the lower side rib 42a. An engagement receiving hole 47a for receiving engagement is formed in the engagement rib 46a.

In FIG. 4, the lower cover 39d has a lower cover body 40d constituting the lower surface of the door frame 35, a front rib 41d extending in the left and right direction, a left rib 48a extending in the front and rear direction, and a rear rib extending in the left and right direction. 43d. The front rib 41d, the left rib 48a, and the rear rib 43d are provided on the inner surface of the lower cover body 40d, that is, the upper surface. The front rib 41d, the left rib 48a, and the rear rib 43d are each formed continuously from the lower cover body 40d, extend upward when the door frame 35 is formed, and have a shape that protrudes upward. The front rib 41d is arranged forward of the rear rib 43d. The left side rib 48a is arranged at the left end of the lower cover body 40d. Although not shown, the lower cover 39d extends in the front-rear direction at the upper end of the lower cover main body 40d, and has a right side rib 48b that extends upward and protrudes upward. The right rib 48b is provided on the upper surface of the lower cover body. The lower cover main body 40d of the lower cover 39d has a handle 49 protruding upward between the front rib 41d and the rear rib 43d.

The left side rib 48a of the lower cover material 39d is provided with a claw 51a extending in the right direction. In addition, the lower cover 39d has a first locking rib 50a provided on the upper surface of the lower cover main body 40d on the right side of the left rib 48a, and is arranged side by side with the left rib 48a. The first locking rib 50a has a locking claw 52a extending in the left direction. Although shown in the figure, when the lower cover material 39d constitutes a part of the frame body 35, it has a position symmetrical to the first locking ribs 50a with respect to the left and right center surfaces of the door frame 35, and is provided on the upper surface of the lower cover material body 40d. The second locking rib 50b. The right rib 48b and the second locking rib 50b are provided with a claw 51b and a pressing claw 52b, similarly to the left rib 48a and the first locking rib 50a. The claw portion 51b and the pressing claw portion 52b form a bilaterally symmetrical structure with the claw portion 51a and the pressing claw portion 52a.

The method of assembling and fixing the lower cover material 39d to the left cover material 39a is as follows. The claw portion 51a of the lower cover member 39d is brought close to the engagement receiving hole 47a of the engagement rib 46a of the left cover member 39a from diagonally below, and the claw portion 51a is inserted into the engagement receiving hole 47a. When the claw 51a is inserted into the engagement receiving hole 47a of the engagement rib 46a, the claw 51a and the pressing claw 52a lock the engagement rib 46a, so the left cover 39a is fixed to the lower cover 39d .

When the right cover material 39b constitutes a part of the frame body 35, it has a left-right symmetrical structure to the left cover material 39a with respect to the left and right center surfaces of the frame body 35. In addition, when the upper cover material 39c constitutes a part of the frame body 35, it has a vertically symmetrical structure with respect to the upper and lower center planes (horizontal plane) of the frame body 35.

The fixing of the lower cover material 39d to the right cover material 39b, the fixing of the upper cover material 39c to the left cover material 39a, and the fixing of the upper cover material 39c to the right cover material 39b are assembled and fixed to the lower cover material 39d to the left cover material The method of 39a is carried out in the same way. Fix the lower cover material 39d to the left cover material 39a, the lower cover material 39d to the right cover material 39b, the upper cover material 39c to the left cover material 39a, and the upper cover material 39c to the right cover material 39b to form a frame 35 .

In addition, metal reinforcing materials (not shown) are attached to the inner sides of the left cover material 39a and the right cover material 39b, respectively. With such a structure, the left cover material 39a and the right cover material 39b are reinforced, and the deformation of the door frame 35 caused by the polyurethane foam pressing the door frame 35 from the inside after the polyurethane foam is injected into the right door 14 of the refrigerator compartment can be suppressed.

The right door 14 of the refrigerator compartment is formed by mounting the front panel 33 and the back panel 36 on the frame 35, and arranging the vacuum insulation material 24 for the right door of the refrigerator compartment inside, and filling it with urethane foam. The structure of the frame 35 holding the front panel 33 will now be described.

Fig. 5 is a vertical cross-sectional view in the depth direction of the front panel 33a and the lower cover material 39d of the right door 14 of the refrigerator compartment when the front panel 33 is formed using a steel plate material. Fig. 6 is a vertical cross-sectional view in the depth direction of the front panel 33b and the lower cover material 39d of the right door 14 of the refrigerator compartment when the front panel 33 is formed of glass. In FIGS. 5 and 6, the structure of the lower cover material 39d is the same.

The structure of the lower cover material 39d is demonstrated using FIG. 5. FIG.

Fig. 5 is a vertical cross-sectional view in the depth direction of the front panel 33a and the lower cover 39d, and is also a cross-sectional view taken along the line A-A' in Fig. 4. When the lower cover material 39 d constitutes a part of the frame body 35, it has a plate-shaped lower cover material main body 40 d forming the lower surface of the frame body 35. The lower cover 39d is provided on the upper surface of the lower cover plate body 40, and has a front rib 41d formed continuously from the lower cover main body 40d and extending upward. The lower cover 39d has a handle 49 protruding upward between the lower cover body 40d and the front rib 41d.

The structure of the vertical cross section in the depth direction of the upper cover material 39c shown in FIG. 3 is vertically symmetrical to the structure of the lower cover material 39d of FIG. 5. However, the structure corresponding to the handle part 49 of FIG. 5 is not formed in the upper cover material 39c.

The front rib 41d is provided behind the front end 53 of the lower cover body 40d. The front rib 41d is located inside (above) the frame, and has a holding portion 71d connected to the lower cover body 40d and separated from the lower cover material and extending forward in parallel, and a joint portion 70d connected to the holding portion 71d and extending upward. . The holding portion 71d and the joining portion 70d form the front rib 41d. The part located in front of the front rib 41d of the lower cover body 40d is a support part 58d that supports the front panel 33b when the front panel 33 is formed of glass. The front rib 41d is provided behind the front end 53 of the lower cover body 40d, and the supporting portion 58d ahead of the front rib 41d can support the front panel 33a when glass is used for the front panel 33. The front surface of the front rib 41d is a joining surface 60d for joining and supporting the front plate 33b when the front plate 33 is formed of glass. The upper surface of the support portion 58d is a support surface 55d for supporting the front panel 33b when the front panel 33 is formed of glass.

In FIG. 5, in the case where the front panel 33 is formed using a steel plate material, the structure in which the front panel 33a is attached to the lower cover material 39d is shown. In FIG. 5, the front panel 33a has the edge part 38d bent toward the back side below. The inner width of the recess 57d is set to be almost the same as the thickness of the front panel 33a. The end 38d is pressed into the recess 57d, so that the front panel 33a is attached to the lower cover 39d. At this time, the lower surface of the end 38d is brought into contact with the support surface 55d, the front panel 33a is moved rearward, and the end 38d is inserted into the recess 57d. The end 38d is sandwiched between the lower cover body 40d and the front rib 41d, so the front panel 33a is fixed to the lower cover 39d. The depth of the recess 57d in the depth direction is such that when the end 38d is inserted, the tip of the end 38d is in contact and fixed with the bottom surface of the recess 57d.

In FIG. 6, when the front panel 33 is formed using glass, the structure in which the front panel 33b is attached to the lower cover material 39d is shown. In the right door 14 of the refrigerator compartment in FIG. 6, the lower side surface of the front panel 33b is in contact with the supporting surface 55d and is supported, and the rear surface of the front panel 33b and the joining surface 60d are joined through the double-sided tape 34 or hot melt adhesive. The joint surface 60d and the support surface 55d are located at right angles to each other. With this structure, it is possible to improve the adhesion between the lower side surface of the front panel 33b and the supporting surface 55d when the front panel 33b is mounted on the lower cover 39d, and between the rear surface of the front panel 33b and the joint surface 60d. The tightness. The front panel 33b is joined to the lower cover 39d through the double-sided tape 34 or hot melt adhesive. The double-sided tape 34 and the hot melt adhesive are omitted in FIG. 6 for illustration. The double-sided tape 34 and the hot melt adhesive are assumed to have sufficient bonding force against the force from the outside of the refrigerator when the front panel 33b is installed and fixed to the bonding surface 60d. In the description of FIG. 6, the lower side surface of the front panel 33b is in direct contact with the support surface 55d, but it is not limited to this. A cushioning material or a sealing material may be arranged between the lower side surface of the front panel 33b and the support surface 55d.

As shown in FIG. 5, when the front panel 33a formed using a steel plate material is attached to the lower cover material 39d, the joint surface 60d of the front panel 33a and the front side rib 41d will be separated. The space formed by this separation will be filled with polyurethane foam. In addition, the space between the front rib 41d and the handle 49 is also filled with urethane foam. When the right door 14 of the refrigerating compartment is formed, the back panel 36 is attached to the frame 35, and urethane foam is injected into the frame 35 in which the back panel 36 is placed below and opened upward. After that, the end 38 d of the front panel 33 a is pressed into the recess 57 d of the lower cover 39 d from above the frame body 35, and the front panel 33 a is attached to the door frame 35. At this time, the polyurethane foam in the center of the door frame 35 is pressed by the front panel 33a, so the space between the front panel 33a and the front rib 41d, and the space between the front rib 41d and the handle 49 are pressed into the polyurethane foam. The space between the front panel 33a and the front rib 41d and the space between the front rib 41d and the handle 49 are pressed into the polyurethane foam, and the end 38d of the front panel 33a is pressed into the support part 58d side by the polyurethane foam. In addition, polyurethane foam is pressed into the space between the front rib 41d and the handle 49, and the front rib 41d is pressed by the polyurethane foam in the direction of narrowing the groove width of the recess 57d. Therefore, compared with the case where the urethane foam is not injected, the ability of the lower cover material 39d to fix the front panel 33a is improved, and the front panel 33a is prevented from being separated from the door frame 35 when the foam is injected.

Fig. 7 is a horizontal cross-sectional view of the front panel 33 and the right cover material 39b when the front panel 33 is formed using a steel plate material. 8 is a cross-sectional view in the horizontal direction of the front panel 33 and the right cover material 39b when the front panel 33 is formed using glass. In FIG. 7 and FIG. 8, the structure of the right cover material 39b is the same.

Fig. 7 is a vertical cross-sectional view in the depth direction of the front panel 33 and the lower cover 39d, and is also a cross-sectional view taken along the line B-B' in Fig. 3. As shown in FIG. 7, the right cover material 39b has a right cover material main body 40b that forms the right side of the door frame 35, a corner 56b formed continuously from the right cover material main body 40b and provided in front of the right cover material main body 40b, and A front rib 41b extending from the left side of the portion 56b in the left direction. The front surface of the corner portion 56b forms the front surface of the right cover material 39b, and the right side surface of the corner portion 56b coincides with the right side surface of the right cover material main body 40b. The thickness in the left-right direction of the corner portion 56b is larger than the thickness in the left-right direction of the right cover material main body 40b, and the corner portion 56b has a shape in which the front right end is inclined.

The front rib 41b, like FIG. 5, has a holding portion 71b connected to the corner portion 56b on the inner side (toward the left) of the frame portion, separated from the lower cover material and extending forward in parallel, and connected to the holding portion 71b and directed upward The extended joint 70b.

The right cover material 39b has a recessed portion 57b between the corner portion 56b and the front rib 41b. The recess 57b is a groove for fixing the front panel 33a formed of a steel plate material to the right cover material 39b, and has a shape recessed to the rear. The front rib 41b has a joint surface 60b on the front surface. The joining surface 60b is located behind the front surface of the corner part 56b. The support part 58b of the corner part 56b located ahead of the front side rib part 41b has the function of the protection part which protects the front panel 33 from external impact. The upper surface of the support portion 58b is a support surface 55b for supporting the front panel 33b when the front panel 33 is formed of glass. The joining surface 60b and the supporting surface 55b are located at right angles to each other. With this structure, when the front panel 33b is attached to the right cover 39b, the adhesion between the lower side surface of the front panel 33b and the support surface 55b, and the gap between the rear surface of the front panel 33b and the joining surface 60b Tightness. As shown in FIG. 8, the distance in the depth direction between the front surface of the corner portion 56b and the joint surface 60b is such that when the front panel 33b formed of glass is joined to the joint surface 60b of the right cover 39b, the protective part can cover the front panel 33b. The right side of the front panel 33b protects the front panel 33b from the impact from the side to the front panel 33b.

In Fig. 7, the front panel 33a has an end 38b bent toward the back side on the right side of the front panel 33a. The end 38b is pressed into the recess 57b, so that the front panel 33a is attached to the right cover material 39b. The end portion 38b is sandwiched by the corner portion 56b and the front rib 41b, so that the front panel 33a is fixed to the right cover material 39b. The depth of the recess 57b in the depth direction is formed, and when the end 38b is inserted, the tip of the end 38b contacts the bottom surface of the recess 57b to a fixed distance.

If the front surface of the corner portion 56a is positioned more rearward than the front surface of the front panel 33a, the cleaning performance is better and the design is improved. Moreover, when the front panel 33 is formed using glass, the front surface of the corner part 56b may be located in front of the front surface of the front panel 33b. In this case, the corner portion 56b can protect the front panel 33b from lateral impact on the front panel 33b.

When the left cover material 39a constitutes a part of the door frame 35, it has a symmetrical structure to the right cover material 39b with respect to the left and right center surfaces of the door frame 35, and the left cover material 39a has a corner portion 56a. In addition, the present embodiment is not limited to this. If the front panel 33 can be protected from lateral impact on the front panel 33 by the corners, the front of the corner 56b of the right cover 39b and the left cover 39a The front surface of the corner portion 56a may be provided at different positions in the front and rear.

In this embodiment, the left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d are all provided with recesses 57a, recesses 57b, recesses 57c, and recesses 57d, but they are clamped on the front panel 33 of the door frame 35. The number of recesses is not limited to this. The recess can hold the front panel 33a formed of a steel plate to the door frame 35 and fix it to the frame 35 so that the position of the front panel 33 will not be shifted due to the pressing of the polyurethane foam or the external force when the refrigerator 1 is in use. Can. As long as this function is not impaired, the recess can be provided in at least one of the left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d.

In addition, in the present embodiment, the recess 57a, the recess 57b, the recess 57c, and the recess 57d are all provided so as to be recessed toward the rear, but this is not a limitation. As shown in FIG. 9, in the right cover material 39b, you may form the recessed part 57b toward the right in the corner part 56b in front of the joining surface 60b. In the left cover material 39a, the recessed part 57a may be recessed to the left and formed in the corner part 56a. Moreover, as for the upper cover material 39c and the lower cover material 39d, as shown in FIG. 5, the recessed part 57c and the recessed part 57d which are recessed toward the back are formed. In this case, the bent end 38c and the end 38d on the back side of the front panel 33a are inserted into the recesses 57c and 57d of the upper cover 39c and the lower cover 39d in the depth direction, respectively, and the front panel 33a is fixed to the upper cover Material 39c and lower cover material 39d. At the same time, the recesses 57a and 57b of the left cover material 39a and the right cover material 39b are inserted into the left and right ends of the front panel 33a from the left and right, respectively, to form the frame 35. The dimensions of the inner width of the recess 57a and the recess 57b are set to be almost the same as the thickness dimension of the front panel 33a. Even if the door frame 35 has such a structure, both the front panel 33a formed using a steel plate material and the front panel 33b formed using glass can be fixed to the same frame 35.

<The fixing method of the molding panel> Next, the method of fixing the front panel 33 to the door frame 35 is demonstrated. First, the case where the front panel 33 is formed using a steel plate material will be explained.

The front panel 33a is pushed to the front of the door frame 35 formed by combining the left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d. The left cover material 39a and the right cover material 39b are respectively formed with a recess 57a and a recess 57b having the structure shown in FIG. 7. The upper cover material 39c and the lower cover material 39d are respectively formed with a recess 57c and a recess 57d having the structure shown in FIG. 5.

The end 38d of the front panel 33a bent toward the back side is inserted into the recess 57d of the lower cover 39d so as to be in contact with the bottom surface of the recess 57d. The end 38a, the end 38b, and the end 38c of the front panel 33a that are bent toward the back side are similarly inserted into the recess 57a, the recess 57b, and the recess 57c, respectively. In this way, the front panel 33a is attached to the door frame 35.

Next, a case where the front panel 33 is formed using glass will be described.

On the joint surface 60a, joint surface 60b, joint surface 60c, and joint surface 60d of the door frame 35 formed by combining the left cover material 39a, the right cover material 39b, the upper cover material 39c, and the lower cover material 39d, a double-sided tape 34 or Apply hot melt adhesive (not shown), and join the front panel 33b. At this time, the lower side surface of the front panel 33b is supported by the support surface 55d of the lower cover 39d. In this way, the front panel 33b is fixed to the joint surface 60b. At this time, a part of the hot melt adhesive extruded by the pressing during joining of the front panel 33b flows into the recess 57d provided on the outer side of the joining surface 60b. With this mechanism, the hot melt glue flows into the gap between the glass surface and the supporting part, and prevents leakage from the front of the refrigerator door. Therefore, the aesthetic quality of the refrigerator door is improved.

In addition, in the present embodiment, steel plate and glass are cited as the material of the front panel 33, but the material of the front panel 33 is not limited to this, and may be, for example, sheet metal or resin. If the shape of the front panel 33 with respect to the door frame 35 can be formed the same as in FIG. 5 or FIG. 6, the material of the front panel 33 can be changed to other materials such as sheet metal or resin.

When the front panel formed of glass is installed in the door frame of the conventional refrigerator door, the protrusion provided to protrude from the support portion of the front panel toward the front of the door frame covers a part of the door frame and prevents the front panel from falling off the frame. In the right door 14 of the refrigerator compartment of this embodiment, the joint surface 60d of the lower cover 39d and the front panel 33b are fixed by the double-sided tape 34 or hot melt adhesive, and the front panel 33b is supported by the support surface 55d, thereby The panel 33b is fixed to the door frame 35. With such a structure, there is no need for a protruding part provided on the front surface of the front panel 33b, so the area of the front surface of the front panel 33b can be enlarged, and the design of the right door 14 of the refrigerating compartment can be improved. In addition, in the conventional refrigerator door, when foreign matter such as dust is deposited on the boundary between the front panel and the protrusion, it is difficult to remove, which is quite inconvenient in terms of cleaning performance. In the right door 14 of the refrigerator compartment of the present embodiment, since there is no protrusion on the front face of the front panel 33b, foreign objects such as dust can be easily removed, and the cleaning performance of the refrigerator door can be improved. The same goes for the left door 13 of the refrigerator compartment.

<Embodiment Mode 2> The embodiment mode 2 of the present invention will be described. The front view and cross-sectional view of the refrigerator 200 of the second embodiment, and the structures of the left door 201 of the refrigerator compartment and the right door 202 of the refrigerator compartment are the same as those shown in FIGS. 1, 2 and 3 of the first embodiment.

The structure of the door frame 203 of the second embodiment will be explained using FIGS. 10 and 11. In the second embodiment, the front rib provided on the lower cover body 205 is composed of two parts.

FIG. 10 is a vertical cross-sectional view of the lower cover material 204 of Embodiment 2 in the depth direction. The lower cover 204 has a lower cover main body 205 as in the first embodiment. The lower cover main body 204 has a stepped portion 206 continuously formed from the lower cover main body 205 and extended upward on the upper surface of the lower cover main body 205.

In this embodiment, as shown in FIG. 10, the level difference portion 206 has an L-shaped level difference 207 formed from the front of the level difference portion 206 to the upper surface of the level difference portion 206 and is recessed backward. The fixing member 208 is joined to the step portion 206 so as to be in contact with the two surfaces of the step 207. The fixing member 208 has an L-shaped shape, and is composed of a side 209 that extends to the front of the step portion 206 when it is attached to the step portion 206, and a side 210 that extends to the upper side. The front rib 211 is formed by the step portion 206 and the fixing member 208. The front surface of the side extending upward of the fixing member 208 becomes the joining surface 212. In addition, the front part of the joint surface 212 of the lower cover body 205 serves as the support part 213. In addition, the joining of the step portion 206 and the fixing member 208 is performed by fixing with a double-sided tape or a screw. Even with such a structure, the same effect as the first embodiment can be obtained. A recess 214 is formed between the fixing member 208 and the lower cover body 205.

In Embodiment 1, the lower cover 39d has a lower cover main body 40d, and a recess 57d is formed between the lower cover main body 40d and the front rib 41d formed continuously from the lower cover main body 40d. In order to form the lower cover material of such a structure, the undercut process which forms the recessed part 57d is needed. In this embodiment, the front rib 211 is formed by the step portion 206 and the fixing member 208, and a recess 214 is formed between the lower cover body 205 and the front rib 211. With such a structure, no undercut treatment is required, and the lower cover material 204 of the present embodiment can reduce the cost of molding at a lower cost than the lower cover material 39d of the first embodiment.

In addition, the structure of the front rib 211 with the two parts of the stepped portion 206 and the fixing member 208 is not limited to FIG. 10, and it may be, for example, as shown in FIG. 11, where the cross-section of the fixing member 208 is rectangular. The entire back surface of the fixing member 208 is joined to the step portion 206 to form the structure of the front rib 211. Even with this structure, there is no need for undercutting for forming the recesses 214 during the molding of the lower cover material 204. The lower cover material 204 of this embodiment can be suppressed more cheaply than the lower cover material 39d of the first embodiment. The cost of molding.

<Embodiment 3> The embodiment 3 of the present invention will be described. In addition, the front view and the cross-sectional view of the refrigerator 300 of the third embodiment, and the structures of the left door 301 of the refrigerating compartment and the refrigerating compartment 302 are the same as those of FIG. 1, FIG. 2 and FIG. 3 of the first embodiment. In the third embodiment, the front rib 304 provided on the lower cover body 303 of the right door 302 of the refrigerator compartment has an opening 305 formed thereon.

In this embodiment, as shown in FIG. 12, the front rib 304 provided on the lower cover body 303 has an opening 305 penetrating to the inside on the joining surface 306. The other structure is the same as that of FIGS. 5 and 6.

With this structure, after installing the back panel 36 to the door frame 35 and injecting polyurethane foam into the door frame 35, the front panel 33a is installed to the door frame 35, and the polyurethane foam flows into the space between the front panel 33a and the front rib 304 through the opening 305. Therefore, compared to the case where the opening 305 is not provided, the space between the front panel 33 and the front rib 304 becomes easier to be filled with urethane foam. Therefore, compared to the case where the opening 305 is not provided in the front of the front rib 304, it is difficult to form a void caused by the leakage of polyurethane foam into the space between the front panel 33 and the front rib 304. The front panel 33 is made of steel plate. In the case of formation, when the front panel 33a is attached to the door frame 35, the effect of pushing the end of the front panel 33a toward the support part by the urethane foam is higher than that in the case where the opening 305 is not provided.

Moreover, when the front panel 33 is formed using glass, the front panel 33b is attached to the bonding surface 306 of the lower cover material through hot melt adhesive. At this time, a part of the hot melt adhesive flows into the opening 305 formed in the joining surface 306. Therefore, compared with the case where the opening 305 is not provided on the joint surface 306, the hot melt adhesive is prevented from flowing out between the front panel 33b and the supporting part and leaking to the front of the refrigerator door, which improves the design of the refrigerator door during manufacture. Quality.

In addition, appropriate combinations, modifications, or omissions of the various embodiments are also included in the scope of the technical ideas shown in the embodiments.

1: refrigerator 2: cabinet 3: storage space 4: Outer box 5: inner box 6: Insulation material 7: Partition wall 8: Refrigerator 9: Switching room 10: Ice room 11: Freezer 12: Vegetable room 13: The left door of the refrigerator compartment 14: The right door of the refrigerator compartment 15: Switch the door 16: Ice room door 17: Freezer door 18: Vegetable room door 20: Operation panel 23: Vacuum insulation material for the left door of the refrigerator compartment 24: Vacuum insulation material for the right door of the refrigerator compartment 25: Vacuum insulation material for freezer door 26: Vacuum insulation material for the door of the vegetable compartment 30: Compressor 31: cooler 32: Air-conditioning supply duct 33a: front panel 33b: front panel 34: Double-sided tape 35: door frame 36: back panel 37: Peripheral 38d: end 39a: left cover material 39b: Right cover material 39c: Upper cover material 39d: Lower cover material 40a: Cover material body 40b: Right cover material body 40d: Lower cover material body 41b: front rib 41d: front rib 43a: Rear ribs 43d: posterior ribs 47a: Clamping hole 48a: left side rib 49: Handle 50a: 1st rib for locking 51a: claw 52a: Claw part 53: front end 55b: Support surface 55d: Support surface 56b: corner 57a: recess 57b: recess 57c: recess 57d: recess 58b: Support Department 58d: Support Department 60a: Joint surface 60b: Joint surface 60c: Joint surface 60d: joint surface 70d: Joint 71d: holding part 133: front panel 134: Double-sided tape 135: Door Frame 136: back panel 139a: left cover material 139b: Right cover material 139c: Upper cover material 139d: Lower cover material 204: Lower cover material 205: Lower cover material body 206: Level Difference 207: step difference 208: Fixed components 209: one side 210: one side 211: front rib 212: Joining Surface 213: Support Department 214: Concave 303: Lower cover material body 304: front rib 305: open 306: Joining Surface

Fig. 1 is a front view of a refrigerator according to Embodiment 1 of the present invention. Fig. 2 is a cross-sectional view of the refrigerator in Embodiment 1 of the present invention. Fig. 3 is a structural diagram of the left door of the refrigerating compartment and the right door of the refrigerating compartment according to the first embodiment of the present invention. 4 is a perspective view of the left cover material and the lower cover material of the right door of the refrigerating compartment according to the first embodiment of the present invention. Fig. 5 is a cross-sectional view of the front panel and the lower cover material of the right door of the refrigerating compartment in the case of using a steel plate on the front panel of the first embodiment of the present invention. 6 is a cross-sectional view of the front panel and the lower cover of the right door of the refrigerator compartment using glass in the front panel of the first embodiment of the present invention. Fig. 7 is a cross-sectional view of the front panel and the right cover of the right door of the refrigerating compartment using a steel plate in the front panel of the first embodiment of the present invention. 8 is a cross-sectional view of the front panel and the right cover of the right door of the refrigerator compartment using glass in the front panel of the first embodiment of the present invention. Fig. 9 is a cross-sectional view of the right cover material of the right door of the refrigerating compartment in the first embodiment of the present invention. Fig. 10 is a cross-sectional view of the lower cover material of the right door of the refrigerating compartment in the second embodiment of the present invention. 11 is a cross-sectional view of the lower cover material of the right door of the refrigerating compartment in the second embodiment of the present invention. Fig. 12 is a cross-sectional view of the lower cover material of the right door of the refrigerating compartment in the third embodiment of the present invention.

33a: front panel

38d: end

39d: Lower cover material

40d: Lower cover material body

41d: front rib

49: Handle

53: front end

55d: Support surface

57d: recess

58d: Support Department

60d: joint surface

70d: Joint

71d: holding part

Claims (3)

A refrigerator including: The refrigerator body has a storage room inside; The refrigerator door opens and closes the storage compartment of the refrigerator body; The refrigerator door has a door frame, a back panel and a front panel; The door frame has an upper cover material, a lower cover material, a right cover material and a left cover material; The lower cover material has a plate-shaped cover body constituting the lower surface of the refrigerator door, a front rib portion provided on the upper surface of the cover body and extending upward, and the front panel is clamped between the cover body and the front rib portion. Between the recesses; The front rib has a joining surface for joining the front panel; The front rib is arranged behind the front end of the cover body at a distance from which the cover body can support the glass plate; The cover body has a supporting surface on the upper surface that is more forward than the front rib; In the case where the front panel is formed of a steel sheet, the front panel has an end bent toward the back side at the bottom, and the end is inserted into the recess; When the front panel is formed of glass, the lower side surface of the front panel is supported by the support surface, and the back surface of the front panel is joined to the joining surface. Such as the refrigerator of claim 1, wherein the front rib is formed of two parts. The refrigerator according to claim 1, wherein the front rib has an opening that penetrates to the inside of the front rib on the joint surface.

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