Refrigerator

Abstract

To provide a refrigerator in which a harness can avoid being bent widely so as to be folded.SOLUTION: A refrigerator 1 includes: a heat insulation box body 11 in which a storage room is formed; a heat insulation door 16 supported so as to be rotatable about a rotation shaft 112 that is supported to the heat insulation box body 11 and rotating about the rotation shaft 112 to be capable of opening and closing a front opening of the storage room; and a harness 90 extending from the heat insulation box body 11 to the heat insulation door 16 to supply power. The harness 90 is disposed so as to be wound around the rotation shaft 112 without passing inside the rotation shaft 112.SELECTED DRAWING: Figure 8

Description

Technical Field

[0001] The present disclosure relates to a refrigerator.

Background Art

[0002] There is known a refrigerator configured to have a heat-insulating door that rotates about a rotating shaft supported by a heat-insulating box body and opens and closes a front opening of a storage chamber formed inside the heat-insulating box body (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the above-described conventional refrigerator, in order to supply electricity to an electrical product provided on the heat-insulating door, a harness extending from the heat-insulating box body to the heat-insulating door is wired. The harness passes through the inside of the rotating shaft of the heat-insulating door and extends from the heat-insulating box body to the heat-insulating door.

[0005] However, in such a configuration, when the number of electrical products provided on the heat-insulating door increases and the number of wires in the harness increases, causing the harness to become thick, the harness passing through the inside of the rotating shaft is greatly bent so as to be folded as the heat-insulating door opens and closes. For this reason, a configuration for suppressing the bending of the harness and preventing disconnection has been demanded.

[0006] An object of the present disclosure is to provide a refrigerator capable of avoiding the harness from being greatly bent so as to be folded.

Means for Solving the Problems

[0007] (1) The present disclosure relates to a refrigerator including a heat-insulating box body having a storage chamber formed therein, a heat-insulating door rotatably supported about a rotating shaft supported by the heat-insulating box body and configured to open and close a front opening of the storage chamber by rotating about the rotating shaft, and a harness extending from the heat-insulating box body to the heat-insulating door for supplying electricity, wherein the harness is arranged to be wound around the rotating shaft without passing through the inside of the rotating shaft.

[0008] According to the refrigerator of (1), the harness is arranged to be wound around the rotating shaft without passing through the inside of the rotating shaft. For this reason, the harness is gently wound and curved, so that it is possible to avoid being bent. Therefore, it is possible to suppress damage and disconnection of the harness.

[0009] (2) The refrigerator according to (1), further comprising an arranging component for arranging the harness in a state of being wound around the rotating shaft.

[0010] According to the refrigerator of (2), during the manufacture of the refrigerator, since the harness can be arranged at a predetermined position by the arranging component, it is possible to avoid a change in the wound state by the operator when performing the operation of winding the harness around the rotating shaft. As a result, it is possible to suppress variations in assembly by the operator during the manufacture of the refrigerator.

[0011] (3) The refrigerator according to (2), wherein the arranging component has a harness mounting portion having a slope arranged around the rotating shaft and on which the harness is placed.

[0012] According to the refrigerator of (3), it is possible to wind the harness in a spiral state from the lower side to the upper side of the arranging component, and it is possible to arrange the spiral harness in a wound state on the upper side and the lower side of the arranging component, respectively. For this reason, it is possible to suppress the collapse of the spiral shape of the wound harness and maintain the shape.

[0013] (4) In the refrigerator according to (3) above, a shaft portion having an axis disposed at a position different from the axial center position of the rotating shaft is provided on the upper surface of the disposed component, and the harness is wound around the shaft portion.

[0014] According to the refrigerator of (4), in the axial direction of the rotating shaft, the portion of the harness extending to the upper left side of the heat insulation door in the upper stage is located above the disposed component and is arranged to be wound around the shaft portion, and the portion of the harness extending to the heat insulation box body side is located below the disposed component and is arranged to be wound around the rotating shaft. As a result, it is possible to make the central positions around which the harness is wound different between the upper side and the lower side of the disposed component.

[0015] (5) In the axial direction of the rotating shaft, the portion of the harness extending to the heat insulation door side is located above the disposed component and is arranged to be wound around the shaft portion, and the portion of the harness extending to the heat insulation box body side is located below the disposed component and is arranged to be wound around the rotating shaft. The upper side and the lower side of the disposed component are connected by the slope according to the refrigerator of (4).

[0016] According to the refrigerator of (5), by placing the harness on the slope, it is possible to make the harness gently curved from the lower side to the upper side of the disposed component without bending the harness.

[0017] (6) A space is formed between the harness, the rotating shaft, and the shaft portion according to the refrigerator of (5).

[0018] According to the refrigerator of (6), it is possible to avoid the harness being wound around the circumferential surfaces of the rotating shaft and the shaft portion without gaps, and suppress a strong force from acting on the harness as the heat insulation door opens and closes.

Effect of the Invention

[0019] According to the present disclosure, it is possible to provide a refrigerator that can avoid the harness being greatly bent so as to be folded.

Brief Description of the Drawings

[0020]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Embodiments for Carrying Out the Invention

[0021] Hereinafter, the refrigerator according to the embodiment of the present disclosure will be described with reference to the drawings. In the following description, the left direction shown in FIG. 1 in the width direction of the refrigerator 1 is defined as the left direction (L), and the opposite direction is defined as the right direction (R). Further, the depth direction of the refrigerator 1 (the direction from the front to the back of the paper surface shown in FIG. 1) is defined as the rear direction (Rr), and the opposite direction is defined as the front direction (Fr). Further, the upward direction shown in FIG. 1 in the height direction of the refrigerator 1 is defined as the upward direction (Up), and the opposite direction is defined as the downward direction (Dw).

[0022] As shown in Fig. 1, the refrigerator 1 includes a heat-insulating box body 11 with a storage chamber formed inside that has a refrigerating chamber 12 located on the upper side and a freezing chamber 13 located on the lower side and is open in the front, an upper left heat-insulating door 16, an upper right heat-insulating door 17, a first middle heat-insulating door 18, a second middle heat-insulating door 19, and a lower heat-insulating door 20.

[0023] The refrigerator 1 has a structure divided into four sections: an upper section that can be opened and closed by the upper left heat-insulating door 16 and the upper right heat-insulating door 17, a first middle section that can be opened and closed by the first middle heat-insulating door 18, a second middle section that can be opened and closed by the second middle heat-insulating door 19, and a lower section that can be opened and closed by the lower heat-insulating door 20.

[0024] The upper left heat-insulating door 16 is a rotary door that can rotate around an axis located at the upper part of the front end of the left side surface of the heat-insulating box body 11 and open from the center to the left. The upper right heat-insulating door 17 is a rotary door that can rotate around an axis located at the upper part of the front end of the right side surface of the heat-insulating box body 11 and open from the center to the right. The first middle heat-insulating door 18, the second middle heat-insulating door 19, and the lower heat-insulating door 20 are drawer-type doors that can be pulled out and pushed in by moving in the front-rear direction to open to the front. The upper left heat-insulating door 16, the upper right heat-insulating door 17, the first middle heat-insulating door 18, the second middle heat-insulating door 19, and the lower heat-insulating door 20 can close the front opening of the storage chamber of the heat-insulating box body 11.

[0025] The heat-insulating box body 11 is composed of, for example, a frame made of a steel plate and a vacuum heat-insulating material housed inside the frame. The vacuum heat-insulating material may not be provided. A machine room housing a compressor (not shown) is provided between the frame of the heat-insulating box body 11 that constitutes the lower part of the refrigerator 1 and the vacuum heat-insulating material, and a cooling chamber housing an evaporator (not shown) is formed in the part of the heat-insulating box body 11 that constitutes the back side of the refrigerator 1.

[0026] The evaporator and the compressor are connected via refrigerant pipes to an expansion means and a condenser (not shown) to constitute a vapor compression refrigeration cycle. A blower is disposed above the cooling chamber, and the blower blows the cold air inside the cooling chamber cooled by the evaporator to the upper and lower parts of the refrigerator 1. Below the evaporator, a defrost heater (not shown) for melting the frost on the evaporator is disposed.

[0027] As shown in FIGS. 2 and 3, on the left side of the heat insulation box body 11, a pair of upper and lower hinges 111 having a shape curved leftward are provided. A rotating shaft 112 (see FIGS. 7 and 8) is provided at the tip of the hinge 111. The upper and lower parts of the upper left heat insulation door 16 are rotatably supported with respect to the heat insulation box body 11 by the rotating shaft 112, respectively.

[0028] Similarly, on the right side of the heat insulation box body 11, a pair of upper and lower hinges (not shown) having a shape curved rightward are provided. A rotating shaft (not shown) is provided at the tip of the hinge (not shown). The upper and lower parts of the upper right heat insulation door 17 (see FIG. 1) are rotatably supported with respect to the heat insulation box body 11 by the rotating shaft (not shown), respectively.

[0029] In the following description, with respect to the configuration in which the upper right heat insulation door 17 is rotatably supported by the heat insulation box body 11, it is symmetrically configured left and right in the refrigerator 1 with the configuration in which the upper left heat insulation door 16 is rotatably supported by the heat insulation box body 11. For this reason, only the configuration in which the upper left heat insulation door 16 is rotatably supported by the heat insulation box body 11 will be described, and the description of the configuration in which the upper right heat insulation door 17 is rotatably supported by the heat insulation box body 11 will be omitted.

[0030] A plurality of electrical products (not shown) such as a lighting unit having an LED and an operation panel are provided on the upper left heat insulation door 16. A harness 90 extending from the heat insulation box body 11 to the upper left heat insulation door 16 is electrically connected to the electrical products (not shown), and electricity is supplied from the heat insulation box body 11 side through the harness 90. Hereinafter, the details of the configuration for arranging the harness 90 extending from the heat insulation box body 11 to the upper left heat insulation door 16 will be described.

[0031] As shown in FIGS. 2 and 3, at the left front end of the upper surface of the heat insulation box body 11, there is provided an upper arrangement component 113 for arranging a harness 90 electrically connected to a power supply unit (not shown) inside the heat insulation box body 11 on the upper surface of the heat insulation box body 11. A part of the harness 90 is fixed and arranged at a predetermined position in the upper arrangement component 113. The upper arrangement component 113 is covered by a lid member 115 (see FIG. 8 etc.) from above.

[0032] The hinge 111 is composed of a hollow member. The inside of the upper arrangement component 113 communicates with the inside of the hinge 111, and the harness 90 extends from the inside of the upper arrangement component 113 into the inside of the hinge 111 and is arranged. A through hole communicating the inside and the outside of the hinge 111 is formed at the tip of the hinge 111, and the harness 90 is drawn out from the inside of the hinge 111 to the outside of the hinge 111 through the through hole.

[0033] Inside the upper part of the upper left heat insulation door 16 supported by the hinge 111, there is provided an arrangement component 30. As shown in FIGS. 4 and 5, the arrangement component 30 has a base 31 having a plate-like part 311 and a wall part 312 surrounding the periphery of the plate-like part 311, and a harness placement part 32 integrally formed and connected to the base 31.

[0034] The plate-like part 311 is composed of a resin plate in a substantially right-angled triangle shape. The wall part 312 is integrally formed with the plate-like part 311 and provided around the plate-like part 311, and constitutes a side wall rising upward from the periphery of the plate-like part 311. A plurality of support protrusions 3121 protruding from the wall part 312 to the outside of the arrangement component 30 are provided on the wall part 312. As shown in FIG. 8 etc., the support protrusions 3121 support the harness 90 at a position separated from the wall part 312.

[0035] As shown in FIG. 4, the harness placement portion 32 is formed in a substantially C shape in plan view, and a side wall 323 rising upward is integrally formed with and provided around the harness placement portion 32. The harness placement portion 32 has a harness introduction portion 321 and a slope portion 322.

[0036] The harness introduction portion 321 is integrally formed and connected to the plate-shaped portion 311, extends from the plate-shaped portion 311 in the longitudinal direction of the arrangement component 30, and is constituted by a plate-shaped portion that descends one step downward in the vertical direction from the plate-shaped portion 311. At the base of the harness introduction portion 321 integrally formed and connected to the plate-shaped portion 311, the width with respect to the longitudinal direction of the arrangement component 30 is wide, and the width becomes narrow as it moves away from the plate-shaped portion 311 and approaches the tip.

[0037] As shown in FIG. 5, a contact wall 3211 for arranging the harness 90 at the position of the tip is provided to protrude downward at the tip of the harness introduction portion 321. By passing the harness 90 under the harness introduction portion 321 and bringing it into contact with the contact wall 3211, the harness 90 is prevented from bulging outward in the radial direction of the rotation axis.

[0038] The slope portion 322 is curved in an arc shape from the base of the harness introduction portion 321 integrally formed and connected to the plate-shaped portion 311 and extends to the vicinity of the tip of the harness introduction portion 321. The base of the slope portion 322 is in a positional relationship that rises one step upward from the plate-shaped portion 311 in the vertical direction, and the tip of the slope portion 322 is located above the tip of the harness introduction portion 321 in the vertical direction.

[0039] The inner peripheral surface of the curved slope portion 322 is arranged around the rotation axis 112 and constitutes a slope 3221 that inclines upward in the vertical direction from the inner peripheral edge of the slope portion 322 toward the upper surface of the slope portion 322. The slope 3221 connects the upper side and the lower side of the arrangement component 30.

[0040] As shown in FIGS. 5 and 6, a rotary shaft insertion portion 3222 extending downward is provided on the lower surface of the tip of the slope portion 322. The rotary shaft insertion portion 3222 has a cylindrical shape. In the space formed by the inner peripheral surface of the rotary shaft insertion portion 3222, the rotary shaft 112 at the tip of the hinge 111 is inserted in a positional relationship coaxial with the rotary shaft insertion portion 3222, that is, in a positional relationship where the axis of the rotary shaft insertion portion 3222 coincides with the axis of the rotary shaft 112.

[0041] As shown in FIGS. 4 and 6, a shaft portion 3223 extending upward is provided on the upper surface of the tip of the slope portion 322. The shaft portion 3223 has a cylindrical shape and has the same height as the maximum diameter of the harness 90 in which a plurality of lead wires are bundled and the diameter partially changes. The axial position of the shaft portion 3223 and the axial position of the rotary shaft 112 have a positional relationship of being arranged at different positions that do not coincide as shown in FIG. 6. On the upper surface of the base of the slope portion 322, a pair of hook-shaped portions 3225 for holding the harness 90 are provided.

[0042] The harness mounting portion 32 having the above configuration arranges the harness 90 in a wound state around the shaft portion 3223 having an axis at an axial position different from the axial positions of the rotary shaft 112 and the rotary shaft insertion portion 3222. The upper side of the arranged component 30 is covered with a lid member (not shown).

[0043] In the refrigerator 1 having the above configuration, the harness 90 is arranged and extends from the heat insulation box body 11 to the upper left heat insulation door 16 as follows. First, it passes through the inside of the hinge 111 from inside the upper part component 113 of the heat insulation box body 11 and exits from the through hole at the tip of the hinge 111 to the outside of the hinge 111 as shown in FIG. 7. Then, it is wound around the rotary shaft 112 and the rotary shaft insertion portion 3222 in a positional relationship where a space is formed between the rotary shaft 112, the peripheral surface of the rotary shaft insertion portion 3222 into which the rotary shaft 112 is inserted, and the harness 90.

[0044] Here, the "positional relationship where a space is formed" does not mean a positional relationship in which the harness 90 is wound tightly around the entire circumference of the circumferential surface of the rotating shaft 112 and the entire circumference of the circumferential surface of the rotating shaft insertion portion 3222. The "positional relationship where a space is formed" means not only a positional relationship in which the harness 90 is not in contact with the circumferential surface of the rotating shaft 112 and the circumferential surface of the rotating shaft insertion portion 3222 at all, but also a positional relationship in which even if a part of the harness 90 is in contact with a part of the circumferential surface of the rotating shaft 112 and a part of the circumferential surface of the rotating shaft insertion portion 3222, the other part of the harness 90 is positioned away from the circumferential surface of the rotating shaft 112 and the circumferential surface of the rotating shaft insertion portion 3222 and is wound.

[0045] In this way, in a positional relationship where a space is formed between the circumferential surfaces of the rotating shaft 112 and the rotating shaft insertion portion 3222 into which the rotating shaft 112 is inserted and the harness 90, by being wound around the rotating shaft 112 and the rotating shaft insertion portion 3222, when the upper left heat insulation door 16 is opened and closed, the harness 90 is not in a state of being wound tightly around the entire circumference of the circumferential surface of the rotating shaft 112 and the entire circumference of the circumferential surface of the rotating shaft insertion portion 3222, and is configured so that a strong force does not act on the harness 90.

[0046] Then, the harness 90 is wound spirally upward once around the rotating shaft 112 and the rotating shaft insertion portion 3222 below the arranged component 30, passes between the tip of the slope portion 322 of the arranged component 30 and the tip of the harness introduction portion 321, is placed on the slope 3221, and is pulled out above the arranged component 30 as shown in FIG. 8.

[0047] Then, the harness 90 is wound once around the shaft portion 3223 having an axis at an axis position different from the axis positions of the rotating shaft 112 and the rotating shaft insertion portion 3222. That is, in the vertical direction which is the axial direction of the rotating shaft 112, the portion of the harness 90 extending toward the upper left heat insulation door 16 side is located above the arranged component 30 and is arranged to be wound around the shaft portion 3223. The portion of the harness 90 extending toward the heat insulation box body 11 side is located below the arranged component 30 and is arranged to be wound around the rotating shaft 112.

[0048] Then, the harness 90 is held by a pair of hook-shaped portions 3225, supported at a position spaced apart from the wall portion 312 by the support protrusion 3121, pulled out in the door tip direction of the upper left heat insulation door 16, and fixed at the upper part of the upper left heat insulation door 16.

[0049] According to the refrigerator 1 according to the present embodiment having the above configuration, the following effects can be obtained. The harness 90 that extends from the heat insulation box body 11 of the refrigerator 1 to the upper left heat insulation door 16 and supplies electricity is arranged so as to be wound around the rotary shaft 112 without passing through the inside of the rotary shaft 112. Conventionally, when passing a harness through the inside of a rotary shaft, at the end of the rotary shaft that enters the inside of the rotary shaft, the harness is bent, and further, when the upper left heat insulation door is opened, the bent portion is further bent. However, as described above, the harness 90 is arranged so as to be wound around the rotary shaft 112 without passing through the inside of the rotary shaft 112. For this reason, the harness 90 can be gently wound and curved, and it is possible to avoid being greatly bent so that the harness 90 is bent. For this reason, it is possible to suppress the harness 90 from being damaged and disconnected.

[0050] The refrigerator 1 includes a component 30 for arranging the harness 90 in a state of being wound around the rotary shaft 112. Thereby, when performing the operation of winding the harness 90 around the rotary shaft 112 during the manufacture of the refrigerator 1, it is possible to avoid the winding state from changing depending on the operator who performs the operation. As a result, it is possible to suppress variations in assembly by the operator during the manufacture of the refrigerator 1.

[0051] The arrangement component 30 has a harness placement portion 32 having a slope 3221 around which the rotation shaft 112 is disposed and on which the harness 90 is placed. As a result, the harness 90 can be spirally wound from the lower side to the upper side of the arrangement component 30, and the spiral harness 90 can be arranged in a state where it is wound on the upper side and the lower side of the arrangement component 30, respectively. For this reason, it is possible to suppress the spiral shape of the wound harness 90 from collapsing and maintain the shape.

[0052] On the upper surface of the arrangement component 30, a shaft portion 3223 having an axis disposed at a position different from the axial center position of the rotation shaft 112 and around which the harness 90 is wound is provided. As a result, in the vertical direction, which is the axial direction of the rotation shaft 112, the portion of the harness 90 extending toward the upper left heat insulation door 16 in the upper stage is located above the arrangement component 30 and is arranged to be wound around the shaft portion 3223, and the portion of the harness 90 extending toward the heat insulation box body 11 is located below the arrangement component 30 and is arranged to be wound around the rotation shaft 112. As a result, it is possible to make the central positions around which the harness 90 is wound different positions on the upper side and the lower side of the arrangement component 30. For this reason, by making the central positions different, it is possible to secure the space of the passage of the harness 90 and stabilize the position (movable range) of the harness 90.

[0053] The upper side of the arrangement component 30 and the lower side of the arrangement component 30 are connected by the slope 3221. As a result, by placing the harness 90 on the slope 3221, it is possible to make the harness 90 gently curved from the lower side to the upper side of the arrangement component 30 without bending.

[0054] A space is formed between the harness 90, the rotation shaft 112, and the shaft portion 3223. As a result, it is possible to prevent the harness 90 from tightly winding around the circumferential surfaces of the rotation shaft 112 and the shaft portion 3223 without gaps, and suppress the application of a strong force to the harness 90 as the upper left heat insulation door 16 in the upper stage opens and closes.

[0055] The present invention is not limited to the above-described embodiments, and can be modified within the technical scope described in the claims. For example, the shape and configuration of the arrangement component are not limited to the shape and configuration of the arrangement component 30 in the present embodiment.

Description of Reference Numerals

[0056] 1... Refrigerator 11... Heat-insulating box body 16... Upper left heat-insulating door 30... Arrangement component 32... Harness mounting part 211... Rotating shaft 90... Harness 3221... Slope 3223... Shaft part

Claims

1. A heat-insulating box body with a storage chamber formed inside, a heat-insulating door that is rotatably supported about a rotating shaft supported by the heat-insulating box body and that can open and close the front opening of the storage chamber by rotating about the rotating shaft, and a harness that extends from the heat-insulating box body to the heat-insulating door and supplies electricity, and the harness is arranged to be wound around the rotating shaft without passing through the inside of the rotating shaft, a refrigerator.

2. The refrigerator according to claim 1, further comprising an arranging component that arranges the harness in a state of being wound around the rotating shaft.

3. The refrigerator according to claim 2, wherein the arranging component has a harness mounting portion having a slope arranged around the rotating shaft and on which the harness is placed.

4. The refrigerator according to claim 3, wherein a shaft portion having an axis arranged at a position different from the axial center position of the rotating shaft and around which the harness is wound is provided on the upper surface of the arranging component.

5. In the axial direction of the rotating shaft, the portion of the harness extending toward the heat-insulating door side is located above the arranging component and is arranged to be wound around the shaft portion, and the portion of the harness extending toward the heat-insulating box body side is located below the arranging component and is arranged to be wound around the rotating shaft, and the upper side of the arranging component and the lower side of the arranging component are connected by the slope, the refrigerator according to claim 4.

6. The refrigerator according to claim 5, wherein a space is formed between the harness, the rotating shaft, and the shaft portion.

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