JP2016061455A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator capable of easily performing lead wire connection of electrical components provided on a back surface wall body of a vegetable chamber and maintenance.SOLUTION: On a back surface wall body 18 of a vegetable chamber back surface portion of a refrigerator including an ice making device, electrical components such as a freeze preventing heater 23 and the like are provided, and a storage part 25 for storing a lead wire 26 and the like is provided at a wall body cover 22 for covering the front surface. Furthermore, the back surface wall body 18 is configured to be detachable separately from a cover 37 of a water supply pipe 33 of the ice making device. Thereby, each maintenance of water supply pipe side electrical components and vegetable chamber back surface wall body side electrical components becomes free from some kind of restraint, for example, the back surface wall body cannot be removed unless a water supply cover is removed and the like, and lead wire connection of the electrical components provided on the back surface wall body and maintenance can be performed easily.SELECTED DRAWING: Figure 10

Description

  The present invention relates to a refrigerator.

  Generally, a household refrigerator is configured by providing a plurality of storage rooms, for example, a refrigeration room, a vegetable room, a freezing room, etc. in the refrigerator body, and the vegetable room is provided between the refrigeration room and the freezing room. There are things that are handy to users who use vegetables a lot in the middle called the vegetable compartment refrigerator. The refrigerator compartment, vegetable compartment, and freezer compartment are cooled by supplying cold air from the cooling compartment via a cold passage provided in the back of the refrigerator body. (For example, refer to Patent Document 1).

  FIG. 15 shows a refrigerator described in Patent Document 1. This refrigerator includes a refrigerator body 101, a vegetable room 102, and a freezer room 103 in the refrigerator body 100, and the vegetable room 102 is between the refrigerator room 101 and the freezer room 103. In addition, a cold air passage 105 for supplying cold air from the cooling chamber 104 to the refrigerator compartment 101, vegetable compartment 102, and freezer compartment 103 is provided on the back surface of the refrigerator main body 100.

  As a result, cold air is circulated from the cooling chamber 104 to the refrigerating chamber 101, the vegetable chamber 102, and the freezing chamber 103 via the cold air passage 105, and the food inside is cooled and stored.

  Further, in the refrigerator as described above, an ice tray is arranged in the freezer compartment, and a water supply tank is provided in the refrigerator compartment, and water is automatically supplied from the water supply tank to the ice tray via a water supply pipe. There is what makes ice (for example, refer to patent documents 2).

  FIG. 16 shows the refrigerator described in Patent Document 2, wherein 201 is a refrigerator compartment, 202 is a vegetable compartment, 203 is a freezer compartment, and a water supply tank 205 is provided on a partition plate 204 that partitions the refrigerator compartment 201 and the vegetable compartment 202. A water supply pipe 206 extending from the water supply tank 205 is drawn out to the freezer compartment 203 along the inner wall surface of the vegetable compartment 202, and an ice making tray 207 of an ice making device disposed at the top of the freezer compartment 203. It is opened to face. The water supply pipe 206 is covered with a cover 208.

  As a result, the water in the water supply tank 205 is supplied to the ice tray 207 in the cooling chamber 203 via the water supply pipe 206, and is frozen by the freezing low temperature of the freezing chamber 203 to automatically make ice.

JP-A-9-113109 JP 2008-151389 A

  Among the conventional refrigerators described above, the refrigerator described in Patent Document 1 is excessively cooled by the cold radiation from the cold air in the cold air passage 105 provided in the back of the refrigerator main body 100 in the vegetable compartment 102, and condensation is formed on the inner surface thereof. May cause the vegetables to deteriorate. For this reason, many refrigerators of this type can cope with the wall thickness of the back wall of the vegetable compartment 102 being thicker, but it is difficult to say that it is sufficient.

  Therefore, a dew condensation prevention heater is embedded in the back wall of the vegetable compartment 102, and when the temperature of the vegetable compartment 102 becomes excessively low, the dew condensation prevention heater is energized to reliably suppress the occurrence of dew condensation. It is possible.

  In this case, it is necessary to make the back wall body detachable from the vegetable compartment 102 so that maintenance such as repair and replacement of the dew condensation prevention heater is possible, and the dew condensation prevention heater lead wire and the refrigerator main body lead wire Similarly, it is necessary to be configured to be detachable.

  On the other hand, in a refrigerator equipped with an ice making device like the refrigerator described in Patent Document 2, a freezing prevention heater 209 is provided at the tip of the water supply pipe 206, and this freezing prevention heater is provided. The lead wire 209 is detachable from the main body lead wire of the refrigerator main body.

  Therefore, when a heater for preventing condensation is provided on the back wall of a refrigerator having this type of ice making device, connection of the lead wire from the heater for preventing condensation and the heater 209 for preventing freezing of the water supply pipe 206 are provided. Unless the connection of the lead wires is not affected by each other, serviceability such as replacement of the anti-freezing heater 209 or the dew condensation prevention heater is lowered.

  The present invention has been made in view of such points, and even in a refrigerator equipped with an ice making device and equipped with electrical components such as a dew condensation prevention heater on the back wall body, maintenance of each of these electrical components, particularly the back wall body The purpose of the present invention is to provide a refrigerator that can easily perform lead wire connection and maintenance of electrical components provided in the housing.

  In order to achieve the above object, the present invention provides a refrigerator body with a refrigerator compartment, a vegetable compartment, and a freezer compartment, the vegetable compartment is disposed between the refrigerator compartment and the freezer compartment, and the refrigerator compartment has a water supply tank, An ice tray is provided in the freezer compartment, a water supply pipe from the water tank is passed through the vegetable compartment and opened to the ice tray in the freezer compartment below, and on the back of the vegetable compartment is a box inside the refrigerator body. A back wall constituting a cool air passage is provided in between, an electrical component such as a dew condensation prevention heater is provided on the back wall body, and an electrical component such as a freeze prevention heater is provided on the water supply pipe. A refrigerator covered with a cover, wherein the lead wire from the electrical component of the water supply pipe and the lead wire from the electrical component of the back wall are connected separately from the main body lead wire on the refrigerator body side, and the water supply pipe Electrical components A storage portion for storing the lead wire and the main body lead wire, and a storage portion for storing the lead wire from the electrical component on the back wall body and the main body lead wire, respectively, and the back wall body of the electrical component A storage portion for storing lead wires and the like is provided, and the back wall body is configured to be detachable separately from the cover of the water supply pipe.

  Thus, even if an electrical component such as a dew condensation prevention heater is provided on the rear wall of the vegetable room of the refrigerator equipped with the ice making device, an electrical component such as a freeze prevention heater provided on the water supply pipe of the ice making device The lead wire from the main body lead wire and the lead wire from the electrical component such as a dew condensation prevention heater provided on the back wall of the vegetable compartment and the main body lead wire storage portion, Since the back wall can be attached / detached regardless of the cover of the water supply pipe, it is possible to replace the electrical parts on the rear wall side of the vegetable compartment and attach / detach the lead wires, or to replace the electrical parts on the water supply pipe side and attach / detach the lead wires. . Therefore, the maintenance of each of the water supply pipe side electrical parts and the vegetable room back wall body side electrical parts is not subject to any restrictions, for example, without removing the back wall body without removing the cover on the water pipe side. Will be able to do. In addition, by using an electrical component on the back wall of the vegetable compartment as a dew condensation prevention heater, it is possible to reliably prevent the occurrence of condensation in the vegetable compartment.

  Even if the present invention is a refrigerator equipped with an ice making device and equipped with an electrical component such as a dew condensation prevention heater on the back wall body according to the above configuration, the maintenance of each electrical component, particularly the lead of the electrical component provided on the back wall body It is possible to provide a refrigerator that can easily perform maintenance such as wire connection and electrical component replacement.

Front view of the refrigerator in Embodiment 1 of the present invention Front view when opening the refrigerator door in the first embodiment Vertical sectional view of the refrigerator in the first embodiment Schematic sectional view showing the vegetable compartment of the refrigerator in the first embodiment Sectional drawing which shows the ice making apparatus incorporation part of the refrigerator in Embodiment 1 Front view showing mainly the vegetable compartment of the refrigerator in the first embodiment The disassembled perspective view which shows the main components of the vegetable compartment and freezer compartment of the refrigerator in Embodiment 1 The disassembled perspective view of the back wall body of the vegetable compartment of the refrigerator in Embodiment 1 (A)-(d) Explanatory drawing explaining the assembly of the main components which comprise the vegetable compartment of the refrigerator in the same Embodiment 1. The front view which shows the vegetable room back wall of the refrigerator in Embodiment 1 (A)-(c) The front view explaining the lead wire process in the vegetable compartment back wall body of the refrigerator in Embodiment 1 The principal part expansion perspective view of the water supply pipe which comprises the ice-making apparatus of the refrigerator in Embodiment 1 (A)-(d) The front view explaining the lead wire process of the water supply pipe of the refrigerator in Embodiment 1 (A)-(c) The perspective view explaining the lead wire process of the temporary storage part of the water supply pipe part of the refrigerator in Embodiment 1 A longitudinal sectional view showing a conventional refrigerator Sectional drawing which shows the ice maker installation part of the other conventional refrigerator

  In the first invention, a refrigerator body is provided with a refrigerator compartment, a vegetable compartment, and a freezer compartment, the vegetable compartment is disposed between the refrigerator compartment and the freezer compartment, a water supply tank is provided in the refrigerator compartment, and the freezer compartment is provided in the refrigerator compartment. An ice tray is provided, a water supply pipe from the water supply tank is passed through the vegetable compartment and opened to the ice tray in the freezer compartment below it, and a cold air passage is provided between the rear of the vegetable compartment and the inner box of the refrigerator body A refrigerator in which an electrical component such as a dew condensation prevention heater is provided on the rear wall body, and an electrical component such as a freeze prevention heater is provided on the water supply pipe and covered with a cover. The lead wire from the electrical component of the water supply pipe and the lead wire from the electrical component of the back wall are connected separately from the main body lead wire on the refrigerator body side, and the lead from the electrical component of the water supply pipe Line and body A storage section for storing the lead wire and a storage section for storing the lead wire from the electrical component of the back wall body and the main body lead wire are provided separately, and the back wall body stores the lead wire of the electrical component etc. The back wall is configured to be detachable separately from the cover of the water supply pipe.

Thus, even if an electrical component such as a dew condensation prevention heater is provided on the rear wall of the vegetable room of the refrigerator equipped with the ice making device, an electrical component such as a freeze prevention heater provided on the water supply pipe of the ice making device The lead wire from the main body lead wire and the lead wire from the electrical component such as a dew condensation prevention heater provided on the back wall of the vegetable compartment and the main body lead wire storage portion, Since the back wall can be attached / detached regardless of the cover of the water supply pipe, it is possible to replace the electrical parts on the rear wall side of the vegetable compartment and attach / detach the lead wires, or to replace the electrical parts on the water supply pipe side and attach / detach the lead wires. . Therefore, the maintenance of each of the water supply pipe side electrical parts and the vegetable room back wall body side electrical parts is not subject to any restrictions, for example, without removing the back wall body without removing the cover on the water pipe side. Will be able to do. In addition, by using an electrical component on the back wall of the vegetable compartment as a dew condensation prevention heater, it is possible to reliably prevent the occurrence of condensation in the vegetable compartment.

  According to a second invention, in the first invention, the storage portion of the back wall body is provided in one side piece portion which is a side of the cold air passage, and the water supply pipe is disposed in a space on the storage portion side of the back wall body. It is as a configuration.

  As a result, even if the wall thickness of the back wall is reduced, there is no cold air passage on the back, so the condensation problem caused by cold radiation from the cold air passage can be suppressed, and the wall can be stored. Since the water supply pipe can be provided by using the space at the back of the vegetable room provided with the portion, it is possible to prevent the water supply pipe from being positioned in front of the rear wall body and reducing the vegetable room volume.

  In a third aspect based on the second aspect, the water supply pipe is integrally covered with a decorative cover that covers the storage portion of the back wall.

  As a result, since the water supply pipe and its cover can be covered using the cover that covers the lead wire storage portion on the back wall body side, a separate cover member that covers the entire water supply pipe is not required, and the cost can be reduced by rationalizing the configuration. At the same time, the water supply pipe and its cover itself can be covered so that they are not visible to the public and the quality of the pipe can be improved.

  4th invention WHEREIN: The 1st-3rd invention WHEREIN: The main body lead wire from the refrigerator main body connected with the lead wire from the said back wall body, and the temporary storage part which accommodates the connection part are a vegetable room and a refrigerator compartment. It is set as the structure provided in the partition plate which partitions between.

  As a result, the main body lead wire pulled out from the refrigerator main body side when the partition plate separating the vegetable compartment and the refrigerator compartment on the refrigerator main body box is pressed against the refrigerator main body box side with a jig and filled with foam insulation. Can be temporarily stored in the temporary storage part of the partition plate, so there is no need to prepare a temporary holding member for temporarily holding the main body lead wire when setting the jig, which improves workability and reduces parts. Further, the cost can be reduced, and it is possible to prevent the main body lead wire from being pressed by the jig when the jig is set to be damaged or cut, and the quality can be stabilized.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiment.

(Embodiment 1)
FIGS. 1-14 shows Embodiment 1 of this invention, First, the whole structure of a refrigerator is demonstrated.

  1 to 6, the refrigerator according to the present embodiment includes a refrigerator main body 1 having an opening at the front, and the refrigerator main body 1 includes an outer box 2 mainly using a steel plate and an ABS as shown in FIG. 3. The inner box 3 is molded with a hard resin such as the above, and the foam heat insulating material 4 such as hard foam urethane filled between the outer box 2 and the inner box 3. The refrigerator body 1 is divided into a plurality of storage rooms by partition plates 5 and 6, a refrigerator room 7 at the top of the refrigerator body 1, a vegetable room 8 at the bottom of the refrigerator room 7, and a freezer room at the bottom. 9 is arranged, and it is a middle vegetable room type refrigerator. The front opening of each storage chamber is closed by a door 10, a door 11, and a door 12 so as to be opened and closed.

  A machine room 14 is provided in the upper rear region of the refrigerator body 1. The machine room 14 accommodates high-pressure components of the refrigeration cycle such as the compressor 15 and a dryer (not shown) for removing moisture.

  In addition, a cooling chamber 16 that generates cold air and a cold air passage 17 that supplies and circulates the cold air from the cooling chamber 16 to the refrigerator compartment 7, the vegetable compartment 8, and the freezer compartment 9 are provided on the rear surface of the refrigerator body 1. The cooling chamber 16 is formed from the back surface of the freezing chamber 9 to the lower back surface of the vegetable chamber 8, and is thermally insulated and partitioned from the vegetable chamber 8 by a back wall 18 having heat insulation properties such as polystyrene foam. is there.

  A cooler 19 is disposed in the cooling chamber 16, and a cooling fan 20 is disposed above the cooler 19. The cooling fan 20 forcibly circulates the cool air cooled by the cooler 19 through the cool air passage 17 to the refrigerating room 7, the vegetable room 8, and the freezing room 9 to cool each room. For example, the refrigerator compartment 7 is cooled to a temperature that does not freeze the food, usually 1 ° C. to 5 ° C., and the vegetable compartment 8 is cooled to a temperature 2 ° C. to 7 ° C. that is equal to or slightly higher than the refrigerator compartment 7. Further, the freezer compartment 9 is usually cooled to a freezing temperature range of −22 ° C. to −15 ° C. for frozen storage, and in some cases, for example, a low temperature of −30 ° C. or −25 ° C. to improve the frozen storage state. Sometimes it cools down.

  Here, the back wall 18 of the vegetable compartment 8 described above constitutes a cooling compartment 16 and a cool air passage 17 between the inner box 3 of the refrigerator main body 1 as shown in FIGS. Condensation prevention heater 23 is built in between wall material 21 and wall body cover 22 attached to the surface, and it is supercooled by cold radiation from cooling chamber 16 on the back of vegetable room 8 to cause condensation. It has a structure that prevents this.

  As shown in FIG. 10, the rear wall 18 of the vegetable compartment 8 is integrally formed with a storage portion 25 (hereinafter referred to as a wall storage portion) on one end piece 24 of the wall cover 22. A lead wire 26 from the dew condensation prevention heater 23 (hereinafter referred to as a dew condensation prevention heater lead wire) is accommodated and held in the wall housing portion 25. And the lead wire 26 for dew condensation prevention from the dew condensation prevention heater 23 is pulled out from a corner of the lower surface of the partition plate 5 between the refrigerator compartment 7 and the vegetable room 8 in this embodiment. The main body lead wire 27 (hereinafter referred to as a wall body main body lead wire) is connected, and a connector 28 (hereinafter referred to as a wall body connector) serving as a connecting portion together with the lead wires 26 and 27 is stored in the wall body. It is stored and held in the portion 25.

  That is, the partition body 5 between the vegetable compartment 8 and the refrigeration compartment 7 has a wall body main body lead wire 27 for connecting the dew condensation prevention heater lead wire 26 from the condensation prevention heater 23 therein. It is incorporated and pulled out from the rear corner portion above the one end piece 24 of the back wall 18, and the wall main body lead wire 27 is connected to the condensation prevention heater 23 from the condensation prevention heater 23. A lead wire 26 is connected, and a connector 28 is housed and held in the wall housing portion 25 together with both the lead wires 26 and 27.

  Here, as shown in FIG. 10, a wall body temporary storage portion 29 is formed in a portion of the partition plate 5 serving as a drawing portion of the wall body lead wire 27, that is, an upper portion of the wall body storage portion 25. Yes, as shown in FIG. 11A, the wall main body lead wire 27 is stored and held for a time during the production process.

  The rear wall 18 of the vegetable compartment 8 is detachably attached to the inner box 3 of the refrigerator body 1 with screws or the like so that maintenance such as replacement of the dew condensation prevention heater 23 can be performed.

In the refrigerator of this embodiment, the vegetable room fan 31 (FIG. 2, FIG. 2) is connected to a cold air intake (not shown) of the vegetable room 8 in order to prevent condensation in the vegetable room 8 due to overcooling and temperature unevenness. 6 and 8) are provided, so that the cool air in the vegetable room is diffused and circulated, for example, to suppress the occurrence of dew condensation due to overcooling and temperature unevenness in the vegetable room, so that the vegetables can be stored well without deteriorating. It has become. The vegetable compartment fan 31 is incorporated in the rear wall 18 of the vegetable compartment 8 as shown in FIG. 8, and although not shown, its lead wire is the same as the dew condensation prevention heater lead wire 26 of the dew condensation prevention heater 23. It is pulled out from the rear wall 18 and connected to the wall body lead wire 27 so as to be stored in the wall storage 25.

  Next, since an ice making device is incorporated in the refrigerator from the refrigerator compartment 7 to the freezer compartment 9, the ice making device will be described with reference to FIGS.

  As shown in FIG. 5, the ice making device of the refrigerator has its water supply tank 32 placed on the partition plate 5 in the refrigerator compartment 7, and the water supply pipe 33 from the water supply tank 32 is connected to the vegetable compartment 8 from the partition plate 5. Is opened in an ice tray 34 arranged at the top of the freezer compartment 9.

  The said water supply pipe 33 is penetrated so that it may be located in the one side edge part side which provided the wall body accommodating part 25 of the back wall 18 of the said vegetable compartment 8 as shown in FIG. As shown to a), the freezing prevention heater 35 is equipped in the opening part of the front-end | tip. Then, as shown in FIG. 12 and the like, a cover 37 in which the freezing prevention heater 35 of the water supply pipe 33 and its lead wire 36 (hereinafter referred to as the freeze prevention heater lead wire) are formed of an electrically insulating resin. The lead wire 36 for the anti-freezing heater is covered with a main body lead wire 39 (hereinafter referred to as "the lead wire 36" drawn from the rear corner portion of the partition plate 6 separating the vegetable compartment 8 and the freezing compartment 9 as shown in FIG. 13 (c). It is connected to the main body lead wire for the cover).

  As shown in FIG. 12, the cover 37 is integrally formed with a box-shaped storage part 38 having an upper surface opening that rises in the vertical direction along the water supply pipe 33 at the back end thereof. The lead wire 36 for the anti-freezing heater from the heater 35, the main body lead wire 39 for the cover, and the connector 40 (hereinafter referred to as the cover lead wire) serving as a connecting portion between the lead wires 36 and 39 are accommodated. .

  Here, as shown in FIG. 14, a temporary storage portion 41 is also erected on the upper surface of the rear corner portion, which is the lead portion of the cover main body lead wire 39 of the partition plate 6, and is pulled out from the partition plate 6. The cover main body lead wire 39 and its connector 40 are stored and held for a time during the production process.

  The cover 37 is attached to the partition plate 6 of the refrigerator main body 1 so as to be detachable independently of the rear wall 18 by screws or the like, and the tip of the water supply pipe 33 is inspected and the antifreezing heater 35 is replaced. Etc., so that maintenance is possible.

  Furthermore, a decorative cover 42 is provided on one side end piece of the back wall 18 so as to cover both the storage portion 38 of the cover 37 of the water supply pipe 33 and the wall storage portion 25 of the back wall 18. It is detachably attached to the part by screws or the like.

  In this embodiment, the water supply pipe 33 includes a thermistor or the like for detecting the temperature of the water supply pipe tip opening portion together with the freeze prevention heater 35 at the front end portion of the water supply pipe 33 and controlling the energization of the freeze prevention heater 35. A freeze prevention temperature sensor (not shown) is also provided. The lead wire is also connected to the cover main body lead wire 39 in the same manner as the freeze prevention heater lead wire 36 of the freeze prevention heater 35 and accommodated in the accommodation portion 38.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, the assembly around the water supply pipe 33 and the back wall 18 of the refrigerator will be described. The refrigerator body 1 of the refrigerator inserts partition plates 5 and 6 into the inner box 3, and the partition plates 5. , 6 and the body lead wires 27 and 39 for the cover are connected to the lead wires from the refrigerator inner box 3, and the outer periphery of the inner box 3 is covered with the outer box 2. A foaming heat insulating material 4 such as urethane foam is filled and foamed between them.

Next, as shown in FIG. 9 (a), the water supply pipe 33 and its cover 37 are set at one side back of the vegetable compartment 8, and in the front of the cooling chamber (not shown) as shown in FIG. 9 (b). The cooling fan 20 is mounted so as to be positioned. Thereafter, as shown in FIG. 2C, the rear wall 18 assembled in advance by sandwiching a dew condensation prevention heater 23 between the heat insulating wall member 21 and the wall cover 22 so as to cover the cold air passage 17 from the cooling chamber. Attach and finish the attachment of the back wall 18. Next, as shown in FIG. 5D, a decorative cover 42 is attached so as to cover the wall body storage portion 25 and the water supply pipe 33 and the cover 37 of one side end piece of the rear wall body 18 to supply the water supply pipe. The assembly around 33 and around the back wall 18 is completed.

In this case, that is, when the partition plates 5 and 6 are set in the refrigerator body inner box 3 with a jig, the wall body lead wire 27 incorporated in the partition plate 5 that partitions the refrigerator compartment 7 and the vegetable compartment 8 is As shown in FIGS. 10 and 11 (a), the wall can be temporarily stored in the wall body temporary storage portion 29 provided on the lower surface of the rear corner portion of the partition plate 5. Similarly, a cover main body lead wire 39 incorporated in the partition plate 6 that partitions the vegetable compartment 8 and the freezer compartment 9 is also provided at the rear corner of the partition plate 6 as shown in FIG. The temporary storage unit 41 can be rolled and temporarily stored.

  Thus, when the refrigerator main body 1 is foam-molded, when the partition plates 5 and 6 are pressed against and fixed to the inner surface of the inner box 3 with a jig (not shown), the wall body and cover main body lead wires 27 are formed. , 39 need not be separately prepared to hold the jig so that it is not sandwiched between the jig and the main body inner box 3. Alternatively, it is possible to hold the wall body and cover main body lead wires 27 and 39 by manual work or the like and insert a jig while preventing the wall body and cover main body lead wires 27 and 39 from being pinched. It will not be necessary to multiply. Accordingly, the number of parts can be reduced by the amount that does not require a separate holding member, and at the same time, there is no need to manually hold the main body lead wires 27 and 39 for the wall and cover, and the workability is improved accordingly. And can be provided at low cost. Moreover, it is possible to prevent the body lead wires 27 and 39 for the wall body and the cover from being sandwiched between the inner box 3 by a jig and to damage or cut them, thereby improving the yield and quality. .

  When the assembling of the refrigerator main body 1 is completed as described above, the connection processing of the lead wires of the back wall 18 and the water supply pipe 33 is performed next.

  First, the lead wire processing of the water supply pipe 33 will be described in order from the set of the water supply tank 32.

  The ice making device first places the water supply tank 32 on a tank receiving portion (not shown) on one side upper part of the partition plate 5 which is the bottom surface of the refrigerator compartment 7, and suspends the water supply pipe 33 in the vegetable compartment 8. The tip portion of the water supply pipe 33 suspended in the vegetable compartment 8 is attached to a pipe attachment portion 43 provided on one side upper part of the partition plate 6 serving as the bottom of the vegetable compartment 8 as shown in FIG. The tip opening is made to face an ice tray 44 arranged in the upper part of the freezer compartment 9.

Next, the cover main body lead wire temporarily stored in the temporary storage portion 41 of the partition plate 6 serving as the bottom of the vegetable compartment is pulled out from the temporary storage portion 41 as shown in FIG. Then, as shown in FIG. 3C, a cover 37 is disposed so as to cover the drawing portion of the freeze prevention heater 35 of the water supply pipe 33 and the lead wire 36 for the freeze prevention heater, and the partition plate 6 is screwed. Installing. Thus, the storage portion 38 provided in the cover 37 is positioned so as to cover the rising portion of the water supply pipe 33.

  In this state, the anti-freezing heater lead wire 36 from the anti-freezing heater 35 of the water supply pipe 33 and the cover main body lead wire 39 pulled out from the temporary storage portion 41 are connected. Then, the connected cover main body lead wire 39, the antifreezing heater lead wire 36, and the cover connector 40 serving as a connecting portion thereof are pushed into the storage portion 38 and stored as shown in FIG.

  This completes the setting of the ice making device and its lead wire processing.

  Next, the setting of the back wall body 18 and its lead wire processing will be described.

  The back wall 18 is in the state shown in FIGS. 10 and 11A, that is, the dew condensation prevention heater lead wire 26 of the dew condensation prevention heater 23 is rolled into the wall body housing 25 of the one end piece 24. In the housed state, it is attached to the inner surface of the refrigerator body inner box 3 with screws. Next, as shown in FIG. 11B, the wall body main body lead wire 27 temporarily stored in the wall body temporary storage part 29 on the lower surface of the partition plate 5 located above the wall body storage part 25 is temporarily attached to the wall body. The lead wire 26 is pulled out from the storage portion 29 and connected to the dew condensation prevention heater lead wire 26 of the dew condensation prevention heater 23, and the lead wires 26 and 27 together with the wall body connector 28 are connected to the wall body storage portion 25 of the rear wall body 18. Store and hold.

  As a result, the setting of the rear wall 18 and the lead wire processing are completed.

  Then, in this state, as shown in FIG. 5C, the decorative cover 42 is attached to the back wall 18 so as to cover the front of the lead wire connection processing portion of the water supply pipe 33 and the lead wire processing portion of the back wall body. Thus, a series of assembly work is completed.

  The refrigerator configured as described above includes an antifreeze heater lead wire 36 from the antifreeze heater 35 provided on the water supply pipe 33 of the ice making device, a housing portion 38 for the cover main body lead wire 39, and vegetables. The dew condensation prevention heater lead wire 26 from the dew condensation prevention heater 23 provided on the back wall body 18 of the chamber 8 and the wall body housing portion 25 of the wall body main body lead wire 27 are separate, and the back wall body 18 can be attached / detached irrespective of the cover 37 of the water supply pipe 33, so that the dew condensation prevention heater 23 on the back wall 18 side of the vegetable compartment 8 is replaced and the dew condensation prevention heater lead wire 26 is attached / detached or on the water supply pipe 33 side. The anti-freezing heater 35 can be replaced and the anti-freezing heater lead wire 36 can be attached and detached independently.

  That is, since the cover 37 of the water supply pipe 33 provided in the vegetable compartment 8 and the back wall body 18 of the vegetable compartment 8 can be separately attached to and detached from the refrigerator body 1, for example, the cover 37 must be removed unless the back wall body 18 is removed. If the cover 37 is not removed or the cover 37 is not removed, the back wall body 18 cannot be removed, so that the cover 37 and the back wall body 18 can be easily attached and detached, and the maintainability is improved.

  Further, the vegetable room 8 is provided with the dew condensation prevention heater 23 on the back wall 18, so that it is possible to reliably prevent the occurrence of dew condensation due to cold radiation from the cooling chamber 16 and the cold air passage 17 on the back surface. Therefore, the vegetables can be well cooled and stored without deteriorating with condensed water, and the reliability of the refrigerator can be improved.

Further, the wall housing portion 25 for housing the dew condensation prevention heater lead wire 26 and the like of the dew condensation prevention heater 23 is provided so as to be located on the side of the cool air passage 17 located on the back surface of the back wall body 18. Even if the wall body storage portion 25 is provided and the wall thickness of the portion is reduced, the cold air passage 17 is provided on the rear surface thereof.
Therefore, there is no problem of cold radiation, and only the back wall 18 is provided with the wall housing portion 25 to reduce the wall thickness, and the wall thickness of the refrigerator main body 1 is not related at all. It does not adversely affect the sex and the internal volume.

  Moreover, since the water supply pipe 33 is arranged on the side of the wall body storage section 25 provided on the side of the back wall body 18, the wall body storage section 25 in the recessed position provided on the back wall body 18 of the vegetable room 8. The water supply pipe 33 can be prevented from being narrowed due to the water supply pipe 33 being positioned in front of the back wall 18.

  Further, the lead wire storage portion of the wall body storage portion 25 provided on the back wall 18, the water supply pipe 33 and its cover 37, and the lead wire storage portion of the storage portion 38 provided thereon are a decorative cover 42. Since they are integrally covered, even if the wall body housing 25 on the back wall body 18 side is exposed facing forward, a cover for covering it is not required, and further cost reduction can be achieved by rationalizing the configuration. At the same time, the water supply pipe 33 and its cover 37 itself can be covered so as to be invisible, and the quality can be improved. In addition, by removing the decorative cover 42 covering the wall housing portion 25, the dew condensation prevention heater lead wire 26 on the back wall body side can be directly attached to and detached from the wall body lead wire 27 on the refrigerator body side, and as a result, the back wall Maintenance such as replacement of the dew condensation prevention heater 23 of the body 18 can be easily performed.

  Further, in this embodiment, since the wall body storage portion 25 for storing lead wires and the like is provided in the back wall body 18, the dew condensation prevention heater for the condensation prevention heater 23 incorporated in the back wall body 18 is used. It is not necessary to separately provide a lead wire 26 and a wall body lead wire 27 from the refrigerator body 1 and a wall body connector 28 or the like as a connecting portion on the inner wall of the refrigerator body inner box 3. The wall storage unit 25 provided on the wall 18 can be used for rational storage processing.

  In addition, a wall body temporary storage portion 29 is provided on the partition plate 6 located above the wall body storage portion 25 of the back wall 18, and the wall body main body for the dew condensation prevention heater 23 drawn from the refrigerator main body side. Since the lead wire 27 and the wall connector 28 can be temporarily stored, the partition plate 5 is set in the refrigerator body inner box 3 and pressed against the refrigerator body inner box side with a jig as described above. When the material 4 is filled and foamed, the main body lead wire 27 for the wall body can be stored in the temporary wall storage portion 29 of the partition plate 5. Accordingly, it is not necessary to separately prepare a temporary holding member for temporarily holding the wall main body lead wire 27 when the jig is set, so that the workability is improved and the cost can be reduced by reducing the number of parts. It is possible to prevent the wall main body lead wire 27 from being damaged or cut by being pressed against the jig, and the quality can be stabilized.

  In this embodiment, the partition plate 6 that divides the vegetable compartment 8 and the freezer compartment 9 is also provided with a temporary storage portion 41, and a cover main body lead wire for the water supply pipe 33 drawn from the refrigerator main body side and Since the cover connector 40 is temporarily stored, the partition plate 6 is set in the refrigerator body inner box 3 and the refrigerator body inner box side with a jig as in the case of the wall body temporary storage portion 29 of the back wall 18. The cover main body lead wire can be stored in the temporary storage portion 41 of the partition plate 6 when the foam heat insulating material 4 is filled and foamed by being pressed onto the temporary insulating portion 41. Therefore, it is not necessary to prepare a temporary holding member for temporarily holding the cover main body lead wire when setting the jig, so that the workability is improved and the cost can be reduced by reducing the number of parts. The cover main body lead wire can be prevented from being damaged or cut by being pressed against the tool, and the quality can be stabilized.

In this embodiment, the cover 37 of the water supply pipe 33 constituting the ice making device is also provided with a storage portion 38 for storing lead wires and the like, so that the water supply pipe 33 and the antifreezing heater 35 are provided by this cover 37. The lead wire 36 for anti-freezing heater and its cover connector 40 can be rationally accommodated. Accordingly, as in the case of the wall body storage portion 25, it is necessary to separately provide storage portions such as the freeze prevention heater lead wire 36, the cover main body lead wire 39, and the cover connector 40 serving as a connection portion thereof on the refrigerator main body 1 side. There is no.

  Further, if the cover 37 is removed and the cover 37 is taken out to the front side, the connection between the freeze prevention heater lead wire 36 of the freeze prevention heater 35 and the cover main body lead wire on the refrigerator main body side, etc. can be made relatively on the front side. The water supply pipe 33 and the freeze prevention heater 35 can be easily maintained as a result.

  Further, since the storage portion 38 such as the lead wire 36 for the anti-freezing heater is integrally formed with the cover 37, the number of parts and the number of assembling steps can be reduced as compared with the case where the storage portion 38 and the cover 37 are configured as separate parts. It can be reduced and provided at low cost. In addition, by removing the cover 37, it becomes possible to easily connect the freeze prevention heater lead wire 36 of the freeze prevention heater 35 and the cover main body lead wire 39 of the refrigerator main body as described above, and maintainability is improved. improves.

  Although the embodiment of the present invention has been described above, the configuration described in the above embodiment is shown as an example for carrying out the present invention, and various modifications can be made within the scope of achieving the object of the present invention. Needless to say.

  Even if the present invention is a refrigerator equipped with an ice making device and equipped with electrical components such as a dew condensation prevention heater on the back wall body, maintenance of each electrical component, in particular, connecting lead wires and electrical components of the electrical components provided on the back wall body A refrigerator that can easily perform maintenance such as component replacement can be provided. Therefore, it can be widely applied to many uses such as commercial refrigerators and showcases as well as home use.

1 Refrigerator body 2 Outer box 3 Inner box (Refrigerator body box)
DESCRIPTION OF SYMBOLS 4 Foam insulation material 5 and 6 Partition plate 7 Refrigeration room 8 Vegetable room 9 Freezing room 10, 11, 12 Door 14 Machine room 15 Compressor 16 Cooling room 17 Cold air passage 18 Back wall body 19 Cooler 20 Cooling fan 21 Thermal insulation wall material 22 Wall body cover 23 Condensation prevention heater 24 One end piece 25 Storage part (wall storage part)
26 Lead wire (Lead wire for condensation prevention heater)
27 Main body lead wire (main body lead wire for wall)
28 Connector (Wall connector)
29 Temporary storage unit for wall 31 Vegetable room fan 32 Water supply tank 33 Water supply pipe 34 Ice tray 35 Antifreeze heater 36 Lead wire (Lead wire for antifreeze heater)
37 Cover 38 Storage part 39 Body lead wire (cover body lead wire)
40 Connector (cover connector)
41 Temporary storage section 42 Cosmetic cover 43 Pipe mounting section 44 Ice tray

Claims (4)

A refrigerator body is provided with a refrigerator compartment, a vegetable compartment, and a freezer compartment, the vegetable compartment is disposed between the refrigerator compartment and the freezer compartment, a water supply tank is provided in the refrigerator compartment, an ice tray is provided in the freezer compartment, A back wall that opens a water supply pipe from a water supply tank through the vegetable compartment to an ice tray in the freezing compartment below the vegetable compartment, and forms a cold air passage between the rear of the vegetable compartment and the inner box of the refrigerator body A refrigerator in which an electrical component such as a dew condensation prevention heater is provided on the back wall body, and an electrical component such as a freeze prevention heater is provided on the water supply pipe and covered with a cover. The lead wire from the electrical component of the pipe and the lead wire from the electrical component of the back wall are connected separately from the main body lead wire on the refrigerator main body side, and the lead wire from the electrical component of the water supply pipe and the main body lead wire are connected. Store The storage part and the storage part for storing the lead wire from the electrical component on the back wall body and the main body lead wire are provided separately, and the back wall body is provided with a storage part for storing the lead wire of the electrical component etc. Further, the refrigerator is configured such that the rear wall body is detachable separately from the cover of the water supply pipe. The refrigerator according to claim 1, wherein the storage portion of the back wall body is provided in one side piece portion which is a side of the cold air passage, and the water supply pipe is disposed in a space on the storage portion side of the back wall body. The refrigerator according to claim 1 or 2, wherein the water supply pipe is integrally covered with a decorative cover that covers the storage portion of the back wall. Any of Claims 1-3 which provided the main body lead wire from the refrigerator main body connected with the lead wire from a back wall body, and the temporary storage part which accommodates the connection part in the partition plate which partitions between a vegetable compartment and a refrigerator compartment. The refrigerator of Claim 1.