JP2013119978A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator configured to prevent damage to a vacuum heat insulation material, while increasing storage capacity by use of the vacuum heat insulation material.SOLUTION: A soft tape 35 covers a screw 31 provided at an engaging part where two adjacent planar members 5 and 9 of multiple planar members of a heat insulation box body structured by interposing the vacuum heat insulation material between an inner box and an outer box are engaged with each other by bringing end parts into contact with each other.

Description

  Embodiments of the present invention relate to a refrigerator.

  In order to improve the heat insulating performance and save energy, the refrigerator is configured by sandwiching a heat insulating material in a space between an outer box and an inner box that constitute a heat insulating box body serving as a refrigerator main body. And, as this heat insulating material, conventionally, a foam heat insulating material made of hard urethane foam or the like has been used, but in recent years, a vacuum heat insulating material that has a larger heat insulating effect than this foamed heat insulating material and can be made thinner is used. Has been.

  The vacuum insulation material is, for example, a rectangular thin plate that is wrapped in a bag made of a film with high gas barrier properties in which a glass wool, which is a thin fiberglass cotton material, hardened in a mat shape is laminated with aluminum foil and a synthetic resin film Therefore, when the film constituting the bag hits the sharp corners or screws of the structure constituting the heat insulating box, there is a problem that the bag is easily damaged and easily damaged.

  This invention is made | formed in view of the above, The objective is to provide the refrigerator which can increase a storage capacity using a vacuum heat insulating material while being hard to damage a vacuum heat insulating material.

  In the refrigerator of the embodiment, two plate-like portions adjacent to each other among a plurality of plate-like portions of a heat-insulating box body configured by sandwiching a vacuum heat insulating material between the inner box and the outer box are end portions. A screw disposed on the engaging portion that is abutted and engaged is covered with a buffer member.

It is a perspective view showing the whole refrigerator composition concerning one embodiment of the present invention. It is a perspective view which shows the heat insulation box which comprises the refrigerator shown in FIG. It is a disassembled perspective view of the heat insulation box shown in FIG. It is the side view which looked at the refrigerator shown in FIG. 1 from the right side in the figure. It is a fragmentary sectional view which shows the engaging part of the upper surface plate-shaped part and right side plate-shaped part in the upper end part of the refrigerator taken along line BB in FIG. It is a fragmentary sectional view similar to FIG. 5 which shows the engaging part of the upper surface plate-shaped part and right side plate-shaped part in the upper end part of the refrigerator concerning other embodiment of this invention. It is a fragmentary sectional view similar to FIG. 5 which shows the engaging part of the upper surface plate-shaped part and right side plate-shaped part in the upper end part of the refrigerator concerning further another embodiment of this invention. It is a fragmentary sectional view similar to FIG. 5 which shows the engaging part of the upper surface plate-shaped part and right side plate-shaped part in the upper end part of the refrigerator concerning another embodiment of this invention. It is a fragmentary sectional view similar to FIG. 5 which shows the engaging part of the upper surface plate-shaped part and right side plate-shaped part in the upper end part of the refrigerator concerning another embodiment of this invention. It is a fragmentary sectional view which shows in detail the engaging part of the bottom face plate-shaped part and right side plate-shaped part in the lower end part of the refrigerator taken along line BB in FIG.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described with reference to the drawings.

  FIG. 1 is a perspective view showing the overall structure of a refrigerator according to an embodiment of the present invention. The refrigerator 1 shown in the figure is composed of a heat insulating box 3 having a main body sandwiching a vacuum heat insulating material between an inner box and an outer box as will be described later. The upper surface plate-like portion 5 comprising a plate-like member constituting the upper-surface wall, the bottom-surface plate-like portion 7 comprising the plate-like member constituting the bottom-surface wall, the right-side plate-like portion 9 comprising the plate-like member constituting the right-side wall, and the left side It is comprised by the left side plate-shaped part 11 which consists of a plate-shaped member which comprises a wall, and the back surface plate-shaped part 13 which consists of a plate-shaped member which comprises a back wall. In FIG. 1, the left-side plate-like portion 11 and the back-side plate-like portion 13 are hidden behind and are not shown in the figure, so refer to FIGS. 2 and 3 to be described later. When the top plate-like portion 5, the bottom plate-like portion 7, the right-side plate-like portion 9, the left-side plate-like portion 11 and the back-side plate-like portion 13 are described generically, they are simply referred to as plate-like portions.

  In addition, on the front opening side of the heat insulating box 3 surrounded by the plurality of plate-like portions in the up / down / left / right and back portions, a double-folding type refrigerator compartment door 15, a drawer-type vegetable compartment door 17, and a drawer-type ice making compartment door are provided. 19, A drawer-type first freezer compartment door 21 and a drawer-type second freezer compartment door 23 are attached. The second freezer compartment door 23 is provided next to the ice making compartment door 19. It should be noted that the refrigerator compartment door 15, the vegetable compartment door 17, the ice making compartment door 19, the first freezer compartment door 21, and the second freezer compartment door 23 have a refrigerator compartment and a vegetable inside the heat insulating box 3, respectively. A room, an ice making room, a first freezing room, and a second freezing room are provided.

  2 and 3 show all the doors of the refrigerator compartment door 15, the vegetable compartment door 17, the ice making compartment door 19, the first freezer compartment door 21 and the second freezer compartment door 23 in the refrigerator 1 shown in FIG. And removing part of the refrigerator compartment, vegetable room, ice making room, partitioning member partitioning the first freezing room and the second freezing room respectively provided behind these doors FIG. 5 is a perspective view clearly showing only the heat insulation box 3 and an exploded perspective view of the heat insulation box 3.

  As clearly shown in FIG. 2, the heat insulating box 3 includes a plurality of plate-like portions, the top plate-like portion 5, the bottom plate-like portion 7, the right-side plate-like portion 9, the left-side plate-like portion 11, and the back plate-like portion. Each of the plurality of plate-like portions adjacent to each other, but the ends of the two plate-like portions are brought into contact with each other, or one of the plate-like members is bent and overlapped with the other plate-like member It is formed from an outer box 10 and an inner box 20 configured as described above. Further, the inner box may be an integral box structure by bending or welding of the attached end portions in addition to the engagement by screwing of the overlapped portion of the hook portion.

  In addition, between this outer box 10 and the inner box 20, it fills so that a vacuum heat insulating material may be pinched | interposed, and, thereby, the heat insulation of the heat insulation box 3 is improved. In addition, as described above, the engaging portion that is engaged by overlapping the end portions of two adjacent plate-like portions includes a screw that fixedly connects the two adjacent plate-like portions. The two plate-like portions adjacent to each other are firmly fixed to each other by screws or the like.

  As can be seen from FIG. 3, the upper surface plate-like portion 5 constituting the upper surface wall of the heat insulating box 3 has a step shape in the front-rear direction, and the front portion is a flat plate shape parallel to the bottom surface plate-like portion 7. None, the rear part is located below the front part and has a flat plate shape parallel to the bottom plate part 7. In this way, the machine room 25 is formed on the rear part recessed below the upper surface plate-like part 5, and a compressor (not shown) constituting the refrigeration cycle of the refrigerator 1 is provided in the machine room 25. . The upper part of the machine room 25 is closed by a closing plate 27 as shown in FIG.

  FIG. 4 is a side view of the refrigerator 1 shown in FIG. 1 as viewed from the right side in the figure, and the right side plate-like portion 9 is illustrated from the front. As shown in the figure, the right side plate-like portion 9 is configured by an extended peripheral portion 9a and an extended portion 9b extending above the lower central portion bulge out. Although not shown, the left plate portion 11 is configured in the same manner as the right plate portion 9.

  FIG. 5 is a view of the upper plate portion 5 and the right plate portion 9 which are two plate portions at the upper end portion of the refrigerator 1 taken along line BB in FIG. It is a fragmentary sectional view which shows the engaged part in detail. As shown in the figure, the engaging portion is engaged with the end portions of the upper plate portion 5 and the right plate portion 9 which are two plate portions adjacent to each other at the upper end portion of the refrigerator 1. The combined corner. The upper surface plate-like portion 5 includes an outer box plate member 51 constituting the outer box 10, an inner box plate member 53 constituting the inner box 20, and these outer box plate member 51 and inner box plate member 53. And the vacuum heat insulating material 55 for the upper surface disposed between them. Further, a foam heat insulating material 57 made of hard urethane foam or the like is filled between the upper surface vacuum heat insulating material 55 and the outer box plate member 51.

  However, the filling amount of the foam heat insulating material 57 is smaller than the conventional one because the upper surface vacuum heat insulating material 55 with further improved heat insulation is used, and the thickness thereof is also thin.

  That is, the thickness of the vacuum heat insulating material is thicker than the thickness of the foam heat insulating material, or the thickness of the foam heat insulating material is thinner than the thickness of the vacuum heat insulating material. The thickness and the amount used are 80% or more of the total heat insulating material as a whole.

  Further, a right side plate-like portion 9 is disposed so as to extend downward at a right angle to the above-described upper surface plate-like portion 5. The right side plate-shaped portion 9 includes an outer box plate member 91 constituting the outer box 10, an inner box plate member 93 constituting the inner box 20, and the outer box plate member 91 and the inner box plate member. And a right-side wall vacuum heat insulating material 95 disposed between 93.

  The plate member 91 for the outer box of the right side plate-like portion 9 has a bent piece 91a that extends upward at a right angle and then bends slightly to the right. It extends so that the edge part 51a of the plate member 51 for outer boxes of the upper surface plate-shaped part 5 may overlap with the outer side of the curved piece 91a, and the edge part 51a of this overlapped outer box plate member 51 and the plate member 91 for outer boxes. The screw 31 is screwed so as to penetrate both of the bent pieces 91a, and the end portion 51a and the bent piece 91a are integrally fixed. As a result, the outer box plate member 51 and the outer box plate member 91 are connected to each other. It is firmly and integrally fixed.

  And the front-end | tip plate-shaped part 5 and the right side board are extended in the downward | lower end of the screw 31 which is fixing the edge part 51a of the board member 51 for outer boxes, and the bending piece 91a of the board member 91 for outer boxes integrally. The soft tape 35, which is a buffer member, is placed between the upper plate portion 5 and the right plate portion 9 so as to entirely cover the tip of the screw 31. It is arrange | positioned by the corner | angular part which is a joint part, and, thereby, the front-end | tip of the screw 31 is not exposed in the said engaging part. Thus, by covering the tip of the screw 31 with the soft tape 35 so as not to be exposed, the vacuum heat insulating material 55 for the upper surface of the upper plate member 5 and the vacuum heat insulating material 95 for the right wall of the right plate member 9 are screwed. The tip of 31 is prevented from being damaged or damaged.

  That is, the vacuum heat insulating material 55 for the upper surface and the vacuum heat insulating material 95 for the right side wall are formed in a rectangular thin plate shape by wrapping a mat-shaped core material made of glass wool or the like with a bag made of a film having a high gas barrier property. Therefore, since the outer film is easily damaged, as described above, the tip of the screw 31 is covered with the soft tape 35 so that the tip of the screw 31 does not directly hit the outer film of the vacuum heat insulating material. This prevents the vacuum heat insulating material from being damaged.

  Further, the soft tape 35 constituting the buffer member is made of a soft material having a buffer property such as sponge, and is formed by applying an adhesive or the like around the soft material.

  Further, the inner box plate member 93 of the right side plate-like portion 9 has an upper end portion 93 a extending upward extending to near the middle of the left end portion of the upper surface vacuum heat insulating material 55. On the other hand, the inner box plate member 53 of the upper surface plate-like portion 5 has a left end portion that extends to the left and is bent obliquely downward before a corner portion that is an engaging portion, thereby forming an inclined fixing portion 53a. ing. A lower end portion extending obliquely downward of the inclined fixing portion 53a is bent upward so as to be parallel to the inner box plate member 93 to constitute an attachment piece 53b. The mounting piece 53b is fixed to the inner box plate member 93 by the adhesive 33, thereby fixing the inner box plate member 53 at a right angle to the inner box plate member 93, and as a result, the upper plate portion 5 is fixed to the right side plate. It is fixed at right angles to the shape portion 9.

  In addition, all the gaps between the corner portions that are the engaging portions of the upper surface plate-like portion 5 and the right-side plate-like portion 9 surrounded by the inclined fixing portions 53a and the like are filled with the foam heat insulating material 57, and the heat insulation box The heat insulation performance of the body 3 is secured.

  In addition, the upper surface vacuum heat insulating material 55 of the upper surface plate-like portion 5 has a left end portion that extends toward the corner portion of the engaging portion slightly before the upper end portion 93a of the inner plate member 93 of the right plate-like portion 9. It ends with. Further, the right side wall vacuum heat insulating material 95 of the right side plate-like portion 9 has an upper end portion that extends upward toward the corner portion of the engaging portion, does not enter the corner portion, and terminates slightly before that. That is, the ends of the vacuum heat insulating material 55 for the upper surface and the vacuum heat insulating material 95 for the right side wall are separated from the corners and the screws 31 that are the engaging portions of the heat insulating box 3, and the screws 31 provided in the engaging portions. It is designed not to be damaged by touching. The screw 31 of the engaging portion is located between the upper surface vacuum heat insulating material 55 and the right side wall vacuum heat insulating material 95, and the screw 31 contacts the upper surface vacuum heat insulating material 55 and the right side wall vacuum heat insulating material 95. To prevent damage. Furthermore, as can be seen from FIG. 5, the upper end of the right-side wall vacuum heat insulating material 95 is located above the inner surface of the inner box plate member 53 of the upper plate portion 5.

  Further, as can be seen from FIG. 5, the upper surface vacuum heat insulating material 55 is disposed so as not to exist on the extension line of the engaging portion and the screw 31, and the upper surface vacuum heat insulating material 55 is temporarily provided with the engaging portion and the screw. Even if it is closer to the end 31, the end of the upper surface vacuum heat insulating material 55 is not damaged by the screw 31 or the like.

  As described above, the heat radiating pipe 37 of the refrigerator 1 is disposed adjacent to the right side of the soft tape 35 that covers and protects the tip of the screw 31. The heat radiating pipe 37 is attached to the soft tape 35 with an aluminum tape 39. Thus, by providing the heat radiating pipe 37 adjacent to the soft tape 35, the heat radiating pipe 37 can be protected from the screw 31. The heat radiating pipe 37 is in contact with the outer box plate member 51 via the aluminum tape 39 to improve the heat radiating effect of the heat radiating pipe 37.

  As described above, in the present embodiment, the outer case plate member 51 and the right side plate-like part 9 of the upper side plate-like part 5 at the corners that are the engaging parts between the upper-side plate-like part 5 and the right side plate-like part 9. Because the tip of the screw 31 that integrally fixes the outer box plate member 91 to each other by the engaging portion thereof, that is, the tip of the screw 31 extending into the engaging portion is covered with the soft tape 35 to protect it. The end portions of the vacuum heat insulating material 55 for the upper surface and the vacuum heat insulating material 95 for the right side wall directly contact the tip of the screw 31 and are prevented from being damaged.

  In the present embodiment, the engaging portion between the upper plate portion 5 and the right plate portion 9 is shown and described, but the same is true for the engaging portion between the upper plate portion 5 and the left plate portion 11. Of course, it is comprised.

  Furthermore, in this embodiment, the thickness of the soft tape 35 that is a buffer member is larger than the length of the screw 31 so that the screw 31 is not embedded and exposed in the soft tape 35. In this way, the screw 31 is embedded in the soft tape 35 so as not to be exposed, thereby preventing the top surface vacuum heat insulating material 55 or the right side wall vacuum heat insulating material 95 from coming into contact with the tip of the screw 31 to be damaged. can do.

  In the present embodiment, the dimension between the upper surface of the upper surface vacuum heat insulating material 55 of the upper surface plate-like portion 5 and the lower surface of the outer box plate member 51 is illustrated relatively wide, but this dimension is The diameter of the heat radiating pipe 37 is desirably smaller.

  FIG. 6 is a partial cross-sectional view similar to FIG. 5 showing an engagement portion between the upper plate portion and the right plate portion in the upper end portion of the refrigerator according to another embodiment of the present invention. The embodiment shown in FIG. 6 changes the engagement state between the outer box plate member 51 of the upper plate portion 5 and the outer box plate member 91 of the right plate portion 9 in FIG. The only difference is that the mounting position of the screw 31 is changed, and the other configuration is the same as that of FIG. Therefore, in FIG. 6, the same components as those in FIG.

  As shown in FIG. 6, the left end of the outer box plate member 51 constituting the upper plate member 5 is bent at a right angle downward to form a bent piece 51b. Further, the upper end of the outer box plate member 91 constituting the right side plate-like portion 9 does not bend but extends straight as it is to become the upper end portion 91b, and the upper end portion 91b is placed on the bent piece 51b. The screw 31 is screwed from the side so as to pass through both the upper end portion 91b and the bent piece 51b, and thereby the outer box plate member 51 and the outer box plate member 91 are firmly fixed. It is fixed.

  The tip of the screw 31 passing through the bent piece 51b and the upper end portion 91b and fixing them together as described above is an engaging portion of the upper plate portion 5 and the right plate portion 9. Although extending into the corner, the tip of the screw 31 is covered so as to be embedded in the soft tape 35 and is not exposed in the engaging portion. Therefore, the upper surface vacuum heat insulating material 55 and the right side wall vacuum heat insulating material 95 are not damaged by the screw 31.

  FIG. 7 is a partial cross-sectional view similar to FIG. 5 showing the engaging portion of the upper plate portion and the right plate portion at the upper end portion of the refrigerator according to still another embodiment of the present invention. The embodiment shown in FIG. 7 is different from FIG. 5 only in that the inner box plate member 53 and the inner box plate member 93 are integrally and continuously configured, and other configurations are the same as those in FIG. It is. Therefore, in FIG. 7, the same components as those in FIG.

  That is, in FIG. 7, the inner box plate member 53 constituting the upper plate portion 5 does not include the inclined fixing portion 53a and the mounting piece 53b as shown in FIG. The end portion extending straight in the direction is directly and continuously connected to the upper end portion of the inner box plate member 93 constituting the right side plate-shaped portion 9, so that the inner box plate member 53 and the inner box plate member 93 Both end portions are integrally formed continuously and bent at a right angle to constitute a right angle portion 98.

  Thus, the inner box plate member 53 and the inner box plate are formed by integrally and continuously forming the inner box plate member 53 and the inner box plate member 93 so as to form the right angle portion 98. The connection with the member 93 is strengthened, and the inclined fixing portion 53a, the mounting piece 53b, the adhesive 33 and the like as shown in FIG. 5 are not required, the configuration is simple, and the manufacturing operation is also simple and efficient. It becomes the target.

  FIG. 8 is a partial cross-sectional view similar to FIG. 5 showing an engaging portion of the upper plate portion and the right plate portion in the upper end portion of the refrigerator according to another embodiment of the present invention. In the embodiment shown in FIG. 8, the upper surface vacuum heat insulating material 55 and the right side wall vacuum heat insulating material 95 in FIG. The only difference is that the tip of the upper end portion 93a is bent into a loop shape to form the loop portion 93b, and the other configuration is the same as FIG. Therefore, in FIG. 8, the same components as those in FIG.

  That is, in FIG. 8, the upper surface vacuum heat insulating material 55 and the right side wall vacuum heat insulating material 95 are connected integrally at a right angle at the engaging portion and are integrally formed. 55 and the right-side wall vacuum heat insulating material 95 are configured separately, which is more efficient and can improve heat insulation and workability. The vacuum heat insulating material can be accurately disposed without any gap at the corner portion that is the engaging portion.

  Further, by bending the tip of the upper end portion 93a of the inner box plate member 93 into a loop shape to form the loop portion 93b, the loop portion 93b is formed by the upper surface vacuum heat insulating material 55, the right side wall vacuum heat insulating material 95 or Even if it contacts both corners, the vacuum heat insulating material is not damaged.

  FIG. 9 is a partial cross-sectional view similar to FIG. 5, showing an engagement portion between the upper plate portion and the right plate portion at the upper end portion of the refrigerator according to still another embodiment of the present invention. In the embodiment shown in FIG. 9, the upper end portion of the right-side wall vacuum heat insulating material 95 is further extended upward in FIG. 5, and the upper-end portion 95 a of the right-side wall vacuum heat insulating material 95 extending upward is used. The screw 31 is disposed by moving to the right so as to be positioned in the gap with the left end surface 55b of the vacuum heat insulating material 55, and the soft tape 35, the heat radiating pipe 37, and aluminum are further moved in accordance with the movement of the screw 31. The only difference is that the tape 39 has moved to the right, and the rest of the configuration is the same as in FIG. Therefore, in FIG. 9, the same components as those in FIG.

  That is, in FIG. 9, the upper end portion 95a of the right side wall vacuum heat insulating material 95 constituting the right side plate-shaped portion 9 extends upward and extends to the left end surface 55b of the upper surface vacuum heat insulating material 55 to the side. The upper surface portion 95 b of the upper end portion 95 a of the right side wall vacuum heat insulating material 95 is at the same horizontal level as the upper surface portion 55 a of the upper surface vacuum heat insulating material 55.

  Further, the bent piece 91a of the outer box plate member 91 constituting the right side plate-like portion 9 further extends rightward to constitute an extended end portion 91c, and the outer end plate 91c is arranged on the extended end portion 91c. The end portion 51a of the box plate member 51 is overlapped, and the screw 31 is screwed so as to penetrate the overlapped extended end portion 91c and the end portion 51a, thereby the outer box plate member 51 and the outer box plate member. 91 is fixed integrally. Accordingly, the screw 31 moves to the right so as to be positioned on the extended end portion 91c extending to the right. Accordingly, the screw 31 is positioned in a gap between the end surface 95c of the upper end portion 95a of the right side wall vacuum heat insulating material 95 and the left end surface 55b extending leftward of the upper surface vacuum heat insulating material 55. . Similarly, the soft tape 35 protecting the screw 31 also extends rightward, and the heat radiating pipe 37 and the aluminum tape 39 also extend rightward.

  As described above, in this embodiment, since the right-side wall vacuum heat insulating material 95 extends upward, the gap between the right-side wall vacuum heat insulating material 95 and the upper-surface vacuum heat insulating material 55, that is, for the right-side wall. The gap between the end surface 95c of the upper end portion 95a of the vacuum heat insulating material 95 and the left end surface 55b of the vacuum heat insulating material 55 for the upper surface is reduced, and the heat insulating performance is improved. Further, since the screw 31 is moved to the right so as to be positioned in the gap between the vacuum heat insulating material 55 for the upper surface and the vacuum heat insulating material 95 for the right side wall, it is possible to prevent the vacuum heat insulating material from being damaged by the screw. it can.

  FIG. 10 shows the bottom plate-like portion 7 and the right-side plate-like portion 9 which are two plate-like portions at the lower end portion of the refrigerator 1 taken along the line BB in FIG. It is a fragmentary sectional view which shows the engaged part in detail. This engaging portion is a corner portion that is engaged by abutting the end portions of the bottom plate portion 7 and the right plate portion 9, which are two plate portions adjacent to each other at the lower end portion of the refrigerator 1. The bottom plate-like portion 7 includes an outer box plate member 71 constituting the outer box 10, an inner box plate member 73 constituting the inner box 20, and these outer box plate member 71 and inner box plate member 73. It is comprised from the vacuum heat insulating material 75 for bottom faces arrange | positioned between. Further, a foam heat insulating material 77 made of hard urethane foam or the like is filled between the vacuum heat insulating material 75 for the bottom surface and the plate member 71 for the outer box.

  Furthermore, a right side plate-like portion 9 is disposed so as to extend upward at a right angle to the above-described bottom plate-like portion 7. As described above, the right side plate-shaped portion 9 includes an outer box plate member 91 constituting the outer box 10, an inner box plate member 93 constituting the inner box 20, and the outer box plate member 91. It is comprised from the vacuum heat insulating material 95 for right side walls arrange | positioned between the board members 93 for inner boxes.

  The plate member 91 for the outer box of the right side plate-like portion 9 has a bent piece 91d whose lower end portion extending downward is bent at right angles to the right and then slightly extended rightward. It extends so that the edge part 71a of the board member 71 for outer boxes of the bottom face plate-shaped part 7 may overlap with the outer side of the bending piece 91d, and the edge part 71a of the board member 71 for outer boxes and the board member 91 for outer boxes which overlapped. The screw 41 is screwed so as to penetrate both of the bent pieces 91d, and the end portion 71a and the bent piece 91d are integrally fixed. As a result, the outer box plate member 71 and the outer box plate member 91 are connected to each other. It is firmly and integrally fixed. An L-shaped reinforcing plate 79 is attached to the inner side of the end portion 71a of the overlapped outer box plate member 71 and the bent piece 91d of the outer box plate member 91 to reinforce the overlapped corner portion. ing.

  And the front-end | tip extended above the screw 31 which has integrally fixed the edge part 71a of the board member 71 for outer boxes and the bending piece 91d of the board member 91 for outer boxes is the bottom plate-shaped part 7 and the right side board. The soft tape 43, which is a buffer member, covers the bottom plate portion 7 and the right plate portion 9 so as to cover the entire tip of the screw 41. It is arrange | positioned by the corner | angular part which is a joint part, and, thereby, covers the front-end | tip of the screw 41 and is not exposed in an engaging part. Thus, by covering the tip of the screw 41 with the soft tape 43 so as not to be exposed, the vacuum heat insulating material 75 for the bottom surface of the bottom plate portion 7 and the vacuum heat insulating material 95 for the right wall of the right plate portion 9 are screwed. This prevents the tip 41 from being damaged or damaged. That is, the tip of the screw 31 is covered with the soft tape 43 so that the tip of the screw 41 does not directly hit the outer film of the vacuum heat insulating material, thereby preventing the vacuum heat insulating material from being damaged. .

  Further, the inner box plate member 93 of the right side plate-like portion 9 has a lower end portion 93 c extending downward extending to the vicinity of the outer box plate member 71 of the bottom plate-like portion 7. On the other hand, the inner box plate member 73 of the bottom plate-like portion 7 is bent obliquely upward in front of the engaging portion whose left end portion extending leftward is a corner portion, thereby constituting an inclined fixing portion 73a. ing. An upper end portion extending obliquely upward of the inclined fixing portion 73a is bent downward so as to be parallel to the inner box plate member 93 to constitute an attachment piece 73b. The mounting piece 73b is fixed to the inner box plate member 93 by an adhesive, thereby fixing the inner box plate member 73 to the inner box plate member 93 at a right angle, and thus the bottom plate portion 7 is formed as a right side plate. It is firmly fixed to the portion 9 at a right angle.

  Then, all the gaps at the corners that are the engaging portions of the bottom plate-like portion 7 and the right-side plate-like portion 9 surrounded by the inclined fixing portions 73a and the like are filled with the foam heat insulating material 77, and the heat insulation box The heat insulation performance of the body 3 is secured.

  Further, the vacuum heat insulating material 75 for the bottom surface of the bottom plate-like portion 7 has a left end portion extending toward the corner portion of the engaging portion terminating slightly before the inner box plate member 93 of the right plate-like portion 9. Yes. Further, the vacuum heat insulating material 95 for the right side wall of the right side plate-like portion 9 has a lower end portion extending downward and comes into contact with the soft tape 43 covering the tip of the screw 41, whereby the right side plate-like portion 9 and the bottom plate The corner part which is an engaging part with the face plate-like part 7 is completely covered from the right side surface, and the heat insulation is improved.

  Further, as can be seen from FIG. 10, the bottom surface vacuum heat insulating material 75 is arranged so as not to exist on the extension line of the engaging portion and the screw 41, and the bottom surface vacuum heat insulating material 75 is temporarily provided with the engaging portion and the screw. Even if it is close to 41, the end of the bottom-surface vacuum heat insulating material 75 is not damaged by the screw 41 or the like.

  Further, as described above, on the right side of the soft tape 43 covering and protecting the tip of the screw 41 and further on the right side of the lower end portion 93c of the inner box plate member 93, the heat radiating pipe 45 of the refrigerator 1 is provided. Adjacent to each other. The heat radiating pipe 45 is attached to the soft tape 43 with an aluminum tape 47. Thus, by providing the heat radiating pipe 45 adjacent to the soft tape 43, the heat radiating pipe 45 can be protected from the screw 41. The heat radiating pipe 45 is in contact with the outer box plate 71 via the aluminum tape 47 to improve the heat radiating effect of the heat radiating pipe 45.

  As described above, in the present embodiment, the outer box plate member 71 and the right side plate-like part 9 of the bottom side plate-like part 7 at the corners, which are the engagement parts between the bottom plate-like part 7 and the right side plate-like part 9. Because the front end of the screw 41 that integrally fixes the outer box plate member 91 with the engaging portion thereof, that is, the front end of the screw 41 extending into the engaging portion is covered with the soft tape 43 to protect it. The end portions of the vacuum heat insulating material 75 for the bottom surface and the vacuum heat insulating material 95 for the right side wall directly contact the tip of the screw 41 and are prevented from being damaged.

  In the above embodiment, the top plate-like portion 5, the bottom plate-like plate portion 7, the right-side plate-like portion 9, and the left-side plate-like portion 11 constituting the outer box 10 and the inner box 20 are separately divided, and these are respectively divided. Although the heat insulation box 3 is comprised by connecting with the corner | angular part which is the engagement part of each, That is, each of the board member for outer boxes which comprises the outer box 10 of the heat insulation box 3 is divided | segmented separately. However, the present invention is not limited to this, and the outer box plate members may be integrally connected to form a single plate. Moreover, it is not limited to what each of the board member for inner boxes which comprises the inner box 20 of the heat insulation box 3 is divided | segmented separately, It is connected integrally and looks like one board. It may be configured as follows.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 Refrigerator 3 Heat insulation box 5 Upper surface plate-shaped part 7 Bottom surface plate-shaped part 9 Right side plate-shaped part 10 Outer box 20 Inner box 11 Left side plate-shaped part 13 Back surface plate-shaped part 31, 41 Screw 33 Adhesive 35, 43 Soft tape 37 , 45 Radiating pipes 39, 47 Aluminum tape 51 Outer box plate member 51a End 53 Inner box plate member 53a Inclined fixing part 53b Mounting piece 55 Upper surface vacuum heat insulating material 57 Foam heat insulating material 71 Outer box plate member 73 Inner box Plate member 75 bottom surface vacuum heat insulating material 77 foam heat insulating material 91 outer box plate member 91a bent piece 91b upper end 91b
91c Extension end part 91d Bending piece 93 Inner box plate member 93a Upper end part 95 Right side wall vacuum heat insulating material

Claims (12)

A refrigerator having a refrigerator body configured as a heat insulating box with a vacuum heat insulating material sandwiched between an inner box and an outer box,
Two plate-like members adjacent to each other among the plurality of plate-like members constituting the heat insulation box are disposed in the engaging portion that engages the end portions, and the two plates at the engaging portion. A refrigerator having a shock-absorbing member provided so as to cover a screw for fixing the shaped member.   The refrigerator according to claim 1, wherein the thickness of the buffer member is such that the tip of the screw is not exposed to the outside of the buffer member.   The refrigerator according to claim 1 or 2, wherein the heat radiating pipe provided in the vicinity of the engaging portion of the heat insulating box is disposed along an end of the buffer member.   4. The refrigerator according to claim 3, wherein the heat radiating pipe is fixed by a heat conducting member that contacts a plate-like member constituting the outer box.   The refrigerator according to any one of claims 1 to 4, wherein an end portion of the vacuum heat insulating material and the engaging portion are separated from each other.   The refrigerator according to any one of claims 1 to 5, wherein the engaging portion of the heat insulating box is provided on an extension line of the vacuum heat insulating material for a side wall.   The said vacuum heat insulating material provided along the plate-shaped member adjacent to the plate-shaped member for side walls which comprises the said heat insulation box is provided spaced apart from the said adjacent part or the said screw. The refrigerator in any one of thru | or 6.   The vacuum heat insulating material provided along the plate-like member adjacent to the side-wall plate-like member constituting the heat-insulating box is not on the engaging portion of the heat-insulating box or the extension line of the screw. The refrigerator according to any one of claims 1 to 7.   The screws provided in the engaging portions are respectively end portions of the plate-like member for the side wall constituting the heat-insulating box and the vacuum heat-insulating material provided along the plate-like member adjacent to the plate-like member. The refrigerator according to any one of claims 1 to 8, wherein the refrigerator is located between the two.   The front end of the vacuum heat insulating material provided along the plate-like member that constitutes the side wall of the heat insulating box body is closer to the side wall of the outer box than the plate-like member surface that constitutes the inner box orthogonal to the side wall plate-like member. The refrigerator according to any one of claims 1 to 9, wherein the refrigerator is close to a plate-like member adjacent to the plate-like member for use.   The gap between the outer case surface of the vacuum heat insulating material and the inner side surface of the outer case provided along the plate member for the side wall constituting the heat insulation box and the adjacent plate member is the diameter of the heat radiating pipe. The refrigerator according to any one of claims 3 to 10, wherein the refrigerator is smaller than the refrigerator. The upper end of the vacuum heat insulating material provided along the plate-like member constituting the side wall of the heat insulating box body,
The refrigerator according to any one of claims 1 to 11, wherein the refrigerator is located below an upper end of a plate-like member constituting an inner box parallel to the plate-like member for side walls.

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