JP2006189223A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator constituted by brazing a cooler and a refrigerant suction pipe before foaming of a foaming thermal insulating material, performing wiring connection of an electric controller as a cooling unit, and filling the foaming thermal insulating material between an inner box and an outer box while the cooling unit is attached to an opening part of the inner box from a rear surface to facilitate brazing and wiring connection work in a compact refrigerator having a small space of a cooler storage part and having a holding member like a flat plate for attaching the cooling unit to a back wall of the inner box having such size that is bent along a rear surface of the inner box and left and right side faces to attach the cooler to the inner box from an inner side of the refrigerator. <P>SOLUTION: This refrigerator is constituted by forming an opening on a rear wall of the inner box (an inner wall plate) of a refrigerator main body in which the foaming thermal insulating material is filled into a space between the outer box (an outer wall plate) and the inner box (the inner wall plate) and whose front face is opened and attaching a mounting board forming a reinforcing part in which the cooler is attached to a front face and which is buried into the foaming thermal insulating material by passing through the opening on a rear surface to a peripheral fringe of the opening from the front of the inner box (the inner wall plate). <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a mounting configuration of a refrigerator cooler.

  A refrigerator body is formed by filling a foam insulation between the inner box and the outer box, and the inside of the refrigerator body is partitioned into an upper refrigerator compartment and a lower freezer compartment by a heat insulating partition wall, and a cooler is placed behind the freezer compartment. In a refrigerator that circulates cold air to the refrigerator compartment and the freezer compartment by a blower provided above the cooler, a cooler and a defrosting-related component are integrated into a cooling unit, and this cooling unit is installed in the inner box There is one attached to the opening formed in the back wall from the foam heat insulating material side. (For example, patent document 1).

In Patent Document 1, before foaming the foam heat insulating material, the cooler and the refrigerant suction pipe are brazed, and the electric controller is wired together as a cooling unit, and the cooling unit is foamed in the opening of the inner box. By attaching from the heat insulating material side, the brazing operation in a small refrigerator having a small space in the cooler housing portion is facilitated. In this case, in order to attach the cooling unit to the opening formed in the back wall of the inner box from the foamed heat insulating material side, the flat plate-like holding member to which the cooler is attached is bent to the left and right sides along the left and right side surfaces of the inner box. The size of the flange is formed.
JP 2003-130526 A

  The present invention does not require a large holding member as in Patent Document 1, and provides a cooler mounting configuration of a downsized configuration in which the cooler is attached to the inner box from the inner side of the inner box. The cooler mounting portion is integrated and reinforced by the foam heat insulating material foam-filled between the attached inner box and the outer box combined with the inner box.

  The first invention includes a refrigerator main body having a front opening in which a space between an outer box (outer wall plate) and an inner box (inner wall plate) is filled with foam heat insulating material, and a rear portion of a storage chamber formed in the refrigerator main body. And a fan for circulating the cool air cooled by the cooler to the storage chamber, an opening is formed in the back wall of the inner box (inner wall plate), and the cooler is attached to the front surface In this refrigerator, a mounting substrate having a reinforcing portion that penetrates through the opening and is embedded in the foam heat insulating material is attached to the periphery of the opening from the front of the inner box (inner wall plate).

  According to a second aspect of the present invention, there is provided a refrigerator main body having a front opening in which foam insulation is filled between an outer box (outer wall plate) and an inner box (inner wall plate), and the refrigerator main body is moved up and down in an upper storage chamber and a lower storage chamber. A heat insulating partition wall for partitioning, a cooler disposed at the rear of the lower storage chamber, and a fan for circulating the cool air cooled by the cooler to the upper storage chamber and the lower storage chamber, corresponding to the lower storage chamber An opening is formed in the back wall of the inner box (inner wall plate), and the blower is attached to and detached from the space formed in the rear part of the heat insulating partition wall by an attachment member attached to the rear wall of the refrigerator body. A mounting substrate that is supported obliquely upward and forward in a free state, has the cooling unit attached to the front surface, and a reinforcing portion that penetrates the opening and is embedded in the foamed heat insulating material on the rear surface. From the front of the plate) to the periphery of the opening Consisting of Te is a refrigerator.

  A third invention is characterized in that, in the first or second invention, a mounting portion of an electric heater for defrosting is formed in the lower portion of the cooler on the mounting substrate.

  According to a fourth invention, in the first to third inventions, a recess recessed backward is formed in a back wall of the inner box (inner wall plate), and the opening is formed in a central portion of the recess. The refrigerator is filled with the foam heat insulating material in a state in which the attachment substrate is attached to the depression so that the portion penetrates the opening.

  In the first invention, the mounting substrate is attached from the storage chamber side to the periphery of the opening formed in the back wall of the inner box (inner wall plate), so that the cooler can be mounted at a predetermined position, so that the mounting operation is simplified. The And by this attachment, while a reinforcement part penetrates opening and protrudes in the back of an inner box (inner wall board), while a reinforcement part prevents a deformation | transformation of a mounting board from the pressure by filling with a foam heat insulating material, it becomes a foam heat insulating material. By being embedded, it is integrated with the refrigerator main body and becomes a structure that is stable in terms of strength, and further, a decrease in the heat insulation performance of this portion can be prevented.

  In addition to the effects of the first invention, the second invention is a configuration in which both the cooler and the blower are attached from the front surface. Therefore, these attaching operations, the defrosting detection sensor attached to the cooler, the thermal fuse, etc. It becomes easy to carry out the electrical wiring work of the temperature detector and the blower.

  In the third invention, in addition to the effects of the first invention or the second invention, the attachment substrate is attached to the periphery of the opening in a state where the defrosting electric heater is attached to the attachment portion of the defrosting electric heater in advance. Both the method and the method of attaching the defrosting electric heater to the attachment portion of the defrosting electric heater after the attachment substrate is attached to the periphery of the opening can be selected, and the flexibility of assembly can be achieved.

  In the fourth invention, in addition to the effects of the first to third inventions, the mounting position of the mounting substrate is determined by the depression, so that the mounting operation is facilitated, and the inner box (inner wall plate) is formed by the depression. Reinforced and the effect of reinforcing the mounting portion can be obtained.

  The present invention is arranged in a refrigerator main body having a front opening in which a space between an outer box (outer wall plate) and an inner box (inner wall plate) is filled with foam heat insulating material, and a rear portion of a storage chamber formed in the refrigerator main body. And an air blower that circulates the cool air cooled by the cooler to the storage chamber, an opening is formed in the back wall of the inner box (inner wall plate), and the cooler is attached to the front surface. A mounting substrate having a reinforcing portion embedded in the foam heat insulating material through the opening is attached to the periphery of the opening from the storage chamber side, and an embodiment of the present invention will be described below. .

  Next, an embodiment of the present invention will be described. FIG. 1 is a front perspective view of a refrigerator according to the present invention, FIG. 2 is a front perspective view of an inner box of a refrigerator according to the present invention, a heat insulating partition wall and a mounting member for a blower, and FIG. 3 is an inner case of the refrigerator according to the present invention. FIG. 4 is a front perspective view showing the configuration of the foam assembly body with the insulated partition wall of the refrigerator according to the present invention attached, FIG. 5 is a longitudinal side view of the refrigerator according to the present invention, and FIG. FIG. 7 is a front perspective view of the refrigerator inner box, the cooler, and the mounting substrate according to the present invention, FIG. 7 is a front perspective view of the refrigerator inner box according to the present invention, and FIG. 8 is the refrigerator according to the present invention. FIG. 9 is a rear perspective view of a state in which a cooler is attached to the inner box of the refrigerator according to the present invention.

  In the refrigerator 1 according to the first embodiment, the inside of the refrigerator main body 2 having a front opening is partitioned into an upper storage chamber 3 and a lower storage chamber 4 which are refrigeration chambers by a heat insulating partition wall 10. Thus, the upper storage chamber 3 constitutes a refrigeration chamber, and the lower storage chamber constitutes a freezer compartment. The refrigerator main body 2 includes a foam heat insulating material 2C between a metal outer box (outer wall plate) 2A and a vacuum-formed synthetic resin inner box (inner wall plate) 2B having a thickness of 1.2 mm to 0.8 mm. It is the heat insulation box body of the heat insulation structure filled with. The front opening of the upper storage chamber 3 is opened and closed by a swing type heat insulating door 5 that is rotated laterally by a hinge device attached to one side of the refrigerator body 2. The front opening of the lower storage chamber 4 has a drawer-type door 8 that is drawn forward together with a container 7 having an upper opening that is supported so that it can be pulled out in the front-rear direction by a support device 6 using left and right rails and rollers provided in the lower storage chamber 4. It is opened and closed at.

  The refrigerator 1 has such a size that the upper surface can be used as the table 9, and constitutes the refrigerator body 2 at a height of approximately 1000 mm to 1300 mm. For this reason, the upper surface table plate 9 of the refrigerator body 2 constitutes the upper surface portion of the metal outer box (outer wall plate) 2A of the refrigerator body 2, and the lower surface of the table plate 9 and the inner box (inner wall plate). Between 2B, it is the structure filled with 2 C of foam heat insulating materials.

  A cooler chamber 12 partitioned by a heat insulating partition wall 11 is formed between the lower storage chamber 4 and the rear wall 2D of the refrigerator body 2, and a cooler 13 is installed in the cooler chamber 12. Yes. Thereby, the freezer compartment 4 is formed in the front part of the heat insulation partition wall 11. In the freezer compartment 4, an auxiliary container 7 </ b> A is placed on the upper left and right side walls of the container 7, and above the auxiliary container 7 </ b> A, the front and rear rails formed on the left and right side walls of the freezer compartment 4 can be pulled back and forth. A third container 7B is placed.

  The heat insulating partition wall 10 has a heat insulating structure in which a heat insulating material 16 such as a polystyrene foam previously formed in a predetermined shape is sandwiched between an injection molded synthetic resin upper plate 14 and an injection molded synthetic resin lower plate 15. There is no. Such a heat insulating partition wall 10 includes a groove 17 formed in the front-rear direction on the left and right side walls of the inner box (inner wall plate) 2B of the refrigerator body 2, and a front opening groove formed on the rear wall of the inner box (inner wall plate) 2B. It is the structure which is inserted in 18 from the front opening part of the refrigerator main body 2, and is attached.

  A blower 20 is disposed in a space 19 serving as a cool air passage formed by vertically penetrating the rear part of the heat insulating partition wall 10 so that the cool air cooled by the cooler 13 is circulated through the upper storage chamber 3 and the lower storage chamber 4. The blower 20 is an axial fan in which a propeller fan 22 and an electric motor 21 that rotates the propeller fan 22 are attached to a casing 23. The blower 20 is attached in an obliquely supported state by a synthetic resin attachment member 25 so as to send cold air obliquely upward and forward to the space 19 of the heat insulating partition wall 10. The upper fixing portion 25B of the mounting member 25 is positioned in a state where it is fitted and positioned in a recess 24 formed in the rear wall of the inner box (inner wall plate) 2B corresponding to the lower portion of the upper storage chamber 3, and the upper and lower portions are screwed. It is attached to the inner box (inner wall plate) 2B by a stopper 26 such as a push-type plastic stopper.

  The attachment member 25 projects obliquely downward and forward from the upper fixing portion, and an attachment portion 25A of the blower 20 is formed at the left and right intermediate portions thereof, and the elastic holding pieces 27 are integrally formed on the upper and left sides of the attachment portion 25A. Further, support portions 29 that are inclined obliquely downward and forward are integrally formed on both the left and right sides. The lower fixing portion 25B of the mounting member 25 is fitted into the groove 18 of the front opening formed in the rear wall of the inner box (inner wall plate) 2B together with the rear end portion of the heat insulating partition wall 10, and the rear end of the heat insulating partition wall 10. It is the state pushed by the part.

  The attachment member 25 includes support portions 29 that are inclined on both the left and right sides of the attachment portion 25A of the blower 20, and forms a wall portion 28 that bulges forward on the outside of the support portion 29. The left and right sides of the casing 23 come into contact with or approach each other in the state in which the blower 20 is attached to the attachment portion 25A. The blower 20 may hold the casing 23 in a predetermined position by the support portions 29 on both the left and right sides and the upper elastic holding pieces 27, but a support portion 30 that supports the lower portion of the blower 20 is formed on the mounting member 25. May be. Moreover, this support part 30 can also be formed in the lower board 15 of the heat insulation partition wall 10 like a figure. In this manner, the blower 20 is attached to the space 19 of the heat insulating partition wall 10 in an obliquely supported state by the synthetic resin attachment member 25 on the front side of the rear wall 2D of the refrigerator body 2.

  The assembly of the cooler 13 will be described. The cooler 13 is a fin tube type cooler through which a refrigerant pipe (tube) 41 in which a large number of thin aluminum fins 40 arranged in a parallel manner are arranged in a meandering manner. The capillary tube 41A for decompressing the refrigerant and the refrigerant discharge pipe 41B are previously brazed and integrated in a parallel state except for both ends. The refrigerant discharge pipe 41B on one end side is brazed to the refrigerant outlet of the refrigerant pipe (tube) 41 of the cooler 13, and the capillary tube 41A on the same side is connected to the refrigerant inlet of the refrigerant pipe (tube) 41 of the cooler 13. Put it on. Thus, before the cooler 13 is mounted, the brazing operation around the cooler 13 is finished.

  Next, attachment of the cooler 13 will be described. A horizontally-long rectangular opening 60 is formed on the back wall of the inner box (inner wall plate) 2B corresponding to the lower storage chamber 4 so as to correspond to the cooler chamber 12. The cooler 13 is a fin tube type cooler through which a refrigerant pipe (tube) 41 in which a large number of thin aluminum fins 40 arranged in a parallel manner are arranged in a meandering manner. It is attached to. The mounting board 50 is made of synthetic resin having a substantially horizontally long rectangular shape when viewed from the front, and forms a planar peripheral mounting portion 54. The peripheral mounting portion 54 includes a plurality of cooler mounting portions 51 projecting from the front surface, and screws. A stop columnar boss 52 and a mounting portion 55 for the defrosting electric heater 36 are formed, and the reinforcing portion 53 is surrounded by the peripheral mounting portion 54.

  The cooler mounting portion 51 forms U-shaped grooves in which U-shaped bent portions of the refrigerant pipes (tubes) 41 formed on the left and right sides of the cooler 13 are elastically fitted and held. The defrosting electric heater 36 has a configuration in which a coil-shaped electric heater is arranged in a glass tube, and both left and right end portions thereof are attached to the attachment portion 55 by attachment tools. The back surface of the reinforcing portion 53 protrudes rearward in a horizontally long rectangular shape that fits flexibly into the opening 60 of the inner box (inner wall plate) 2B, is configured in a grid shape with lattice-like ribs, and is rearward from the peripheral mounting portion 54 The projecting length to the side is the length in which the foam heat insulating material 2C filled between the outer box (outer wall plate) 2A and the inner box (inner wall plate) 2B penetrates and is buried.

  The back wall of the inner box (inner wall plate) 2B corresponding to the cooler chamber 12 is formed with a recess 61 that is recessed rearward so that the peripheral mounting portion 54 of the mounting substrate 50 fits substantially fully. An opening 60 is formed further rearward in the central portion. The recess 61 is recessed backward substantially to the same extent as the thickness of the peripheral mounting portion 54 of the mounting substrate 50. When the peripheral mounting portion 54 is fitted into the recess 61, the recess 61 is substantially flush with the cooler 13. The turbulence of cold air passing through is reduced. A projecting portion 62 projecting rearward in a substantially rectangular shape is formed at a substantially central portion of the recess 61, and a substantially rectangular opening 60 is formed at the central portion of the projecting portion 62.

  The cooler 13 is mounted on the cooler mounting portion 51, and the defrosting end temperature detection sensor of the cooler 13 and the temperature fuse that cuts off the power supply to the defrosting electric heater 36 in an abnormally heated state are provided in advance in the cooler 13 and the mounting board 50. The mounting substrate 50 is fitted to the recess 61 from the front of the inner box (inner wall plate) 2B so that the reinforcing portion 53 of the mounting substrate 50 penetrates the opening 60 in the state where the inner substrate is mounted. (Inner wall plate) The peripheral mounting portion 54 of the mounting substrate 50 is fixed to the inner box (inner wall plate) 2B by screws N2 from the rear of the 2B. In addition, although the electric heater for defrosting can also be attached to the attachment part 55, the method of attaching to the attachment part 55 after filling of the foam heat insulating material 2C is good.

  The capillary tube 41A of the refrigerant pipe connected to the inlet of the refrigerant pipe (tube) 41 of the cooler 13 and the refrigerant discharge pipe 41B connected to the outlet of the refrigerant pipe (tube) 41 are the inner box (inner wall plate) 2B. After being pulled out rearward as shown in FIG. 7 from the hole 63 in the back wall, it is bent as shown in FIG. 8 and is lifted from the inner box (inner wall board) 2B by the heat insulating spacer 65 and is then lifted from the inner box (inner wall board) by the tape 66. It is attached to 2B. A portion that passes through the hole 63 of the capillary tube 41A and the refrigerant discharge pipe 41B is closed by an adhesive sealant 68. Further, the hole of the inner box (inner wall plate) 2B through which the lead wire of the blower 20 passes is also closed by the adhesive thin plate 68. Reference numeral 67 denotes a refrigerant condensing pipe compressed by the compressor 35 to be described later. The refrigerant exiting the condensing pipe 67 is decompressed by the capillary tube 41 </ b> A and evaporated by the cooler 13.

  In order to configure the refrigerator body 2, the inner box (inner wall plate) 2B and the outer box (outer wall plate) 2A to which the cooler 13, the capillary tube 41A and the refrigerant discharge pipe 41B are attached are combined as described above. A mounting member 25 of the blower 20 is attached to the front surface of the rear wall of the combined inner box (inner wall plate) 2B by a stopper 26 before the combination. Then, the heat insulating partition wall 10 is inserted into the grooves 17 and 18 formed in the left and right side walls and the back wall of the inner box (inner wall plate) 2B from the front, and the heat insulating partition wall 10 is inserted into the inner box (inner wall by a screw N1 at a predetermined insertion position. Plate) attached to the side wall of 2B. The lower fixed portion of the attachment member 25 is held in the groove 18 while being pressed by the rear end portion of the heat insulating partition wall 10. In this state, a substantially sealed space 31 is formed between the rear wall of the inner box (inner wall plate) 2 </ b> B and the attachment member 25.

  The foam assembly body 200 configured in this manner is a state where the front opening is down, and the stock solution of the foam heat insulating material 2C is supplied from the injection hole formed in the rear wall of the outer box (outer wall plate) 2A. Inject by nozzle. By this injection, the foam heat insulating material 2C is grown and filled between the outer box (outer wall plate) 2A and the inner box (inner wall plate) 2B. On the other hand, facing the space 31 formed between the rear wall of the inner box (inner wall plate) 2B and the mounting member 25, a circular heat insulating material 2C flows through the rear wall of the inner box (inner wall plate) 2B. In the process in which the hole circulation portion 64 is formed and the foam heat insulating material 2C is grown and filled, a part of the foam heat insulating material 2C flows out from the flow portion 64 into the space 31 and enters the space 31. Filled. Accordingly, the mounting member 25 is reinforced and insulated by a part of the filled foam heat insulating material 2C, so that the strength is improved and the heat insulating performance of this part is improved. Further, the back surface of the reinforcing portion 53 is embedded in the foam heat insulating material 2C, the portion of the cooler chamber 12 is reinforced, and the foam heat insulating material 2C enters the mesh of the reinforcing portion 53 to keep the heat insulating effect of this portion good. .

  The blower 20 is attached to the attachment portion 25A of the attachment member 25 with respect to the refrigerator main body 2 configured as described above. The blower 20 is attached by placing the left and right sides of the casing 23 on the support portion 29 via seals provided in the peripheral portion of the casing 23, and the lower portion in contact with the lower plate 15 of the heat insulating partition wall 10. 30, and the upper part is supported by the elastic holding piece 27. As a result, the blower 20 is held in an obliquely supported state at a predetermined angle by the synthetic resin mounting member 25 in the space 19 of the heat insulating partition wall 10, and the peripheral portion is free from cold air leakage by the sealing material, The blower 20 is held in a detachable state by the elastic holding piece 27.

  A method of attaching the blower 20 to the attachment member 25 before filling the foam assembly main body 200 with the foam insulation 2C may be used. That is, with the attachment member 25 and the heat insulating partition wall 10 attached to the inner box (inner wall plate) 2B, the blower 20 is attached by the attachment member 25, and in that state, the outer box (outer wall plate) 2A and the inner box (inner wall plate). The foam assembly body 200 can be configured by combining 2B, and the foam assembly body 200 can be filled with the foam insulation 2C.

  With the blower 20 attached in this manner, a back wall member 32 that forms a cool air distribution passage 33 to the upper storage chamber 3 between the rear wall of the refrigerator main body 2 and the rear portion of the upper storage chamber 3, It is attached to the refrigerator body 2. The back wall member 32 is a combination of a front plate 32A made of synthetic resin and a heat insulating material 32B on the back side thereof. If the back wall member 32 is removed, the blower 20 can be removed forward using the elasticity of the elastic holding piece 27 and can be attached from the front.

  The cold air cooled by the cooler 13 is circulated and cooled by the blower 20 between the upper storage chamber 3 and the lower storage chamber 4 as indicated by arrows. That is, the cold air sent from the blower 20 to the cold air distribution passage 33 flows into the upper storage chamber 3 from the cold air discharge port formed in the back wall member 32 corresponding to the cold air distribution passage 33 to cool the upper storage chamber 3. Then, it passes through a return path (not shown) and enters the lower part of the cooler chamber 12 where it is circulated again by the cooler 13. The cool air flowing into the upper portion of the lower storage chamber 4 from the blower 20 cools the lower storage chamber 4 and then enters the lower portion of the cooler chamber 12 from the lower end portion of the heat insulating partition wall 11. Circulate cooled. The upper storage chamber 3 is a refrigeration chamber. The temperature of the upper storage chamber 3 is sensed by a temperature sensor, and the control circuit unit controls the refrigerant compressor 35 of the refrigeration cycle to be turned on and off. The cooler 13 and the compressor 35 constitute a refrigeration cycle. An interior lamp 37 is turned on when the door 5 is opened and turned off when the door 5 is closed.

  Although the refrigerator of the present invention may be called a refrigerator-freezer, it can be applied to various types of refrigerators without departing from the technical scope of the present invention, and the upper storage chamber and the lower storage chamber are examples of the embodiment. Not only the form but also a combination of a refrigerated room, a freezer room, a vegetable room, and other usage rooms may be used.

It is a front perspective view of the refrigerator concerning the present invention. Example 1 It is a front perspective view of the inner box of the refrigerator which concerns on this invention, a heat insulation partition wall, and the attachment member of an air blower. Example 1 It is a front perspective view of the inner box and the heat insulation partition wall of the refrigerator which concerns on this invention. Example 1 It is a front perspective view which shows the structure of the foam assembly main body which attached the heat insulation partition wall of the refrigerator which concerns on this invention. Example 1 It is a vertical side view of the refrigerator which concerns on this invention. Example 1 It is a front perspective view of the inner box of the refrigerator which concerns on this invention, a cooler, and an attachment board | substrate. Example 1 It is a front perspective view of the state where the cooler was attached to the inner box of the refrigerator concerning the present invention. Example 1 It is a vertical side view of the state which attached the cooler to the inner box of the refrigerator concerning the present invention. Example 1 It is a back perspective view of the state where the cooler was attached to the inner box of the refrigerator concerning the present invention. Example 1

Explanation of symbols

1 ... Refrigerator 2 ... Refrigerator body 2A ... Outer box (outer wall plate)
2B ... Inner box (inner wall plate)
2C: Foam insulation material 3 .... Upper storage chamber 4 .... Lower storage chamber 5 .... Upper storage chamber door 6 .... Supporting device 5 .... Upper storage chamber door 7. ··· Container 8 ··· Lower storage chamber door 9 ··· Table 10 · · · Heat insulating partition wall 11 · · · Heat insulating partition wall 12 · · · Cooler chamber 13 · · · Cooler 14 ··· Upper plate of heat insulating partition wall 15 ... Lower plate of heat insulating partition wall 16 ... Heat insulating material 17, 18 ... Groove of inner box (inner wall plate) 19 ... Space 20 ... Blower 21 ... Electric motor 22 ... Propeller fan 23 ... Casing 24 ... Recess 25 ... Blower mounting member 26 ... Stopper 27 ... Elastic holding piece 29 ... Blower support 30 ... Supporting portion 31 ... Space 32 ... Back wall member 33 ... Cold air distribution passage 36 ... Electric heater for defrosting DESCRIPTION OF SYMBOLS 50 ... Mounting board 51 ... Cooler attachment part 54 ... Peripheral attachment part 55 ... Defrosting electric heater attachment part 53 ... Reinforcement part 60 ... Opening

Claims (4)

  A refrigerator body having a front opening in which a space between the outer box (outer wall plate) and the inner box (inner wall plate) is filled with foam heat insulating material, and a cooler disposed at the rear of the storage chamber formed in the refrigerator body; And a fan for circulating the cool air cooled by the cooler to the storage chamber, an opening is formed in the back wall of the inner box (inner wall plate), the cooler is attached to the front surface, and the opening is formed on the rear surface. The refrigerator which attaches the attachment board | substrate which penetrated and formed the reinforcement part embed | buried under the said foam heat insulating material to the periphery of the said opening from the front of the said inner box (inner wall board).   A refrigerator main body having a front opening filled with a foam heat insulating material between an outer box (outer wall plate) and an inner box (inner wall plate), and an insulating partition wall for vertically dividing the refrigerator main body into an upper storage chamber and a lower storage chamber; A cooler disposed at the rear of the lower storage chamber, and a blower for circulating cold air cooled by the cooler to the upper storage chamber and the lower storage chamber, and the inner box (inner wall) corresponding to the lower storage chamber An opening is formed in the back wall of the board, and the blower is obliquely installed in a state where it can be attached to the rear wall of the refrigerator main body and is detachable forward in a space formed through the rear part of the heat insulating partition wall. A mounting substrate that is supported forward and has a cooling portion attached to the front surface and a reinforcing portion that penetrates the opening and is embedded in the foam heat insulating material on the rear surface is formed from the front of the inner box (inner wall plate). Refrigerator attached to the periphery of the opening   The refrigerator according to claim 1 or 2, wherein a mounting portion for an electric heater for defrosting is formed on a lower portion of the cooler on the mounting substrate.   A recess recessed backward is formed in the back wall of the inner box (inner wall plate), the opening is formed in the center of the recess, and the mounting substrate is formed in the recess so that the reinforcing portion penetrates the opening. The refrigerator in any one of Claims 1-3 formed by filling the said foam heat insulating material in the attached state.

Images