JP4275077B2 - refrigerator - Google Patents

Description

  The present invention relates to a mounting configuration of a fan for circulating cold air in a refrigerator.

  The refrigerator is partitioned into an upper storage chamber and a lower storage chamber by a partition member, a cooler is provided in the lower storage chamber, a blower is provided near the upper portion of the cooler, this blower is mounted in the partition member, and the partition member is provided in the inner box There is a type in which a heat insulating material is foam-filled between the inner box and the outer box in a state in which is attached. (For example, patent document 1).

This system can reduce the occupied space of the cooler room by the amount of the blower without configuring the cooler room with the blower and the cooler, and can increase the internal volume of the storage room by that amount. There is an effect that can be performed by a partition member.
JP-A-2003-130526

  As described above, the present invention forms a space formed in the rear portion of the heat insulating partition wall that vertically partitions the refrigerator main body into an upper storage chamber and a lower storage chamber, and obtains an effect by disposing a blower in this space. Unlike conventional technology, a mounting member for supporting the blower at an angle is provided in the refrigerator body so that the blower can be attached without providing the mounting part of the blower in the partition member, and the heat insulating partition wall is simplified and assembled. Provide an easy refrigerator.

The present invention relates to 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 the refrigerator main body is vertically divided into an upper storage chamber and a lower storage chamber. A heat insulating partition wall; a cooler disposed at the rear of the lower storage chamber; and a blower that circulates the cold air cooled by the cooler to the upper storage chamber and the lower storage chamber . In a refrigerator that is supported obliquely in a direction in which cool air is sent obliquely upward and forward through a cool air passage that vertically penetrates the rear part, a mounting member for attaching the blower has a space between a rear wall of the inner box (inner wall plate) It is attached to the front surface of the rear wall of the inner box (inner wall plate) so as to form a part of the foam heat insulating material on the rear wall of the inner box (inner wall plate) corresponding to the space. A flow part to be filled is formed, and the mounting member is A back wall member that includes elastic support pieces for supporting the left and right and lower support portions of the blower and the upper portion of the blower, and that forms a cool air distribution passage for the cool air sent from the blower to the upper storage chamber is the upper storage. The blower is removably attached to the rear portion of the chamber, and the blower can be removed and attached to the front side by using the elastic holding piece in a state where the back wall member is removed .

By forming a space that penetrates the rear of the heat-insulating partition wall that divides the refrigerator body into an upper storage chamber and a lower storage chamber, and by placing a blower in this space, the space occupied by the cooler room is reduced by the amount of the blower. Thus, the internal volume of the storage chamber can be increased accordingly, but the present invention further provides an attachment member for obliquely supporting the blower in the refrigerator body, so that the attachment portion of the blower is not provided in the partition member. It becomes possible to attach a blower, and it becomes possible to provide a refrigerator that is easy to assemble, detach, and remove the heat insulating partition wall. In addition, part of the foam insulation filled between the outer box (outer wall plate) and the inner box (inner wall plate) also flows into the back side of the mounting member attached to the rear wall of the inner box (inner wall plate). By being filled, it is possible to provide a refrigerator capable of improving the strength and heat insulation performance of this portion and maintaining good cooling performance of the refrigerator. Furthermore, the blower is held in a predetermined inclined state by the left and right support portions and the lower support portion provided on the mounting member, and can be held in a state where the blower can be easily attached and detached by the elastic holding pieces.

The present invention relates to 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 the refrigerator main body is vertically divided into an upper storage chamber and a lower storage chamber. A heat insulating partition wall; a cooler disposed at the rear of the lower storage chamber; and a blower that circulates the cold air cooled by the cooler to the upper storage chamber and the lower storage chamber . In a refrigerator that is supported obliquely in a direction in which cool air is sent obliquely upward and forward through a cool air passage that vertically penetrates the rear part, a mounting member for attaching the blower has a space between a rear wall of the inner box (inner wall plate) It is attached to the front surface of the rear wall of the inner box (inner wall plate) so as to form a part of the foam heat insulating material on the rear wall of the inner box (inner wall plate) corresponding to the space. A flow part to be filled is formed, and the mounting member is A back wall member that includes elastic support pieces for supporting the left and right and lower support portions of the blower and the upper portion of the blower, and that forms a cool air distribution passage for the cool air sent from the blower to the upper storage chamber is the upper storage. It is removably attached to the rear part of the chamber, and the blower can be removed and attached to the front side by using the elastic holding piece in a state where the back wall member is removed. Describe.

  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 a configuration of a foam assembly body to which a heat insulating partition wall of the refrigerator according to the present invention is attached, and FIG. 5 is a longitudinal side view 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 in the lateral direction. The front opening of the lower storage chamber 4 is opened and closed by a pull-out door 8 that is supported so as to be pulled out in the front-rear direction by a support device 6 including left and right rails and rollers provided in the lower storage chamber 4. Further, the container 7 having an upper surface opening is removably supported by the support device 6 and is pulled out together with the pull-out door 8.

  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 main body 2 constitutes the upper surface portion of the metal outer box (outer wall plate) 2A of the refrigerator main 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 and attached to 18 from the front opening part of the refrigerator main body 2.

  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 attachment member 25 is 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 portion is screwed or pushed. It is attached to the inner box (inner wall plate) 2B by a stopper 26 such as a 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 hold | maintained in the state pushed by the part.

  In addition, the attachment member 25 forms wall portions 28 that bulge forward on the left and right sides of the attachment portion 25A of the blower 20 on the outside of the support portion 29. The bulge wall portions 28 on both the left and right sides are attached to the attachment portion 25A. In a state where the blower 20 is attached to the left and right sides of the casing 23, the left and right sides of the casing 23 come into contact with or approach each other. 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.

  In order to constitute the refrigerator body 2, an outer box (outer wall plate) 2A and an inner box (inner wall plate) 2B are combined. 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) Attach to the side wall of 2B. The fixing portion at the lower part of the attachment member 25 is held in the groove 18 while being pushed 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 part 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 part 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.

  The blower 20 is attached to the attachment portion 25A of the attachment member 25 with respect to the attachment member 25 attached to the front surface of the rear wall of the refrigerator main body 2 thus configured. 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 in a state where there is no 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. Wiring of the power supply line to the blower 20 is performed before the back wall member 32 is attached.

  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, and the temperature of the upper storage chamber 3 is sensed by a temperature sensor, and the refrigerant circuit 35 of the refrigeration cycle is ON / OFF controlled by the control circuit unit. The cooler 13 and the compressor 35 constitute a refrigeration cycle. 36 is an electric heater for defrosting the cooler 13, and 37 is an interior lamp that 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

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 ... Support portion 31 ... Space 32 ... Back wall member 33 ... Cold air distribution passage 64 ... Outflow of foam insulation Part

Claims (1)

A refrigerator main body with a front opening filled with foam insulation 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 the cool air cooled by the cooler to the upper storage chamber and the lower storage chamber, the blower up and down the rear of the heat insulating partition wall In the refrigerator that is supported obliquely in the direction in which the cool air is sent obliquely upward and forward to the cold air passage that passes therethrough, the attachment member to which the blower is attached forms a space between the inner wall (inner wall plate) and the rear wall. A distribution that is attached to the front surface of the rear wall of the inner box (inner wall plate), and a part of the foam heat insulating material flows out and is filled in the rear wall of the inner box (inner wall plate) corresponding to the space. And the mounting member is the blower A back wall member that includes left and right and lower support portions and an elastic holding piece that supports the upper portion of the blower, and that forms a cool air distribution passage for the cool air delivered from the blower to the upper storage chamber is a rear portion of the upper storage chamber The refrigerator is detachably attached to the fan, and the blower can be removed and attached to the front side by using the elastic holding piece in a state where the back wall member is removed .

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