JPH0442711Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to an improved configuration of a lighting device that illuminates the inside of a refrigerator when the door is opened.

(b) Conventional technology Conventionally, in this type of refrigerator, in order to make it easier to take food in and out of the refrigerator, for example,
As shown in Publication No. 19500, a lighting lamp is installed inside the refrigerator, and is turned on when the door is opened to illuminate the inside of the refrigerator.

(c) Problems that the invention aims to solve In recent years, with the diversification of foods stored in refrigerators, the interior of the refrigerator has been divided into multiple storage chambers with different temperatures, and the openings of each chamber have been closed off with separate doors. It's coming. Therefore, if it is desired to illuminate the inside of each storage room, separate lighting lights must be provided for each storage room, which is uneconomical and causes an increase in costs.

(d) Means for solving the problem In order to solve the problem, the present invention has a rotating door above the refrigerator 1, which divides the inside of the refrigerator into a plurality of storage compartments 8, 9, 10, and 51. Drawer type doors 17, 35 are provided below 29, 30, 57, and rotating doors 29, 3
An illumination light 60 is provided in front of the opening edge of the storage chamber 8, 51 that is closed by the doors 29, 30, 57, and at least a portion of the illumination light 60 protrudes forward beyond the front surface of the door 29, 30, 57. door 29, 30, 17,
It is designed so that it lights up even when 35 and 57 are open.

(E) Effect According to the present invention, the storage room closed by the rotating door is illuminated from the front, and the stored articles pulled out by the pull-out door are illuminated from above. This is achieved with a single illumination light.

(F) Embodiments Next, embodiments will be explained with reference to the drawings. Fig. 1 is a perspective view of a refrigerator 1 to which the present application is applied, Fig. 2 is a front view of the refrigerator 1 with each door removed, Fig. 3 is a sectional view taken along line A-A of Fig. 2 including the door, Figure 4 is the same B-
A cross-sectional view taken along line B is shown. The refrigerator 1 is comprised of a lower heat insulating box 2 that opens to the front and an upper heat insulating box 3 that is attached to the top surface of the lower heat insulating box 2 and opens to the front. The lower insulating box body 2 includes an outer box 4 made of steel plate and an inner box 5 built into the outer box 4 with a space therebetween.
The current foaming method is used to fill the space between the holes with a heat insulating material 6 such as polyurethane foam. The inner box 5 is constructed by vacuum forming a synthetic resin plate, and a partition wall portion 5A that divides the interior into upper and lower sections is also integrally formed, and a heat insulating material 6 is similarly formed within the partition wall portion 5A.
is filled. A heat insulating partition member 7 is provided with a space above the partition wall portion 5A, the space above the partition member 7 is a refrigerator compartment 8, and the space below and above the partition wall portion 5A is a compartment 9. , and the space below the partition wall portion 5A is defined as a freezing chamber 10.

At the back of the freezer compartment 10, a partition plate 11 having a heat insulating material on the back side is installed vertically with a gap from the back side of the inner box 5, and a freezer compartment cooler 13 is installed vertically in a cold air passage 12 formed behind the partition plate 11. has been done. The cold air cooled by the freezer compartment cooler 13 is sucked in by the freezer compartment blower 14 provided above, and is discharged into the freezer compartment 10 through the outlet 15 formed in the partition plate 11 in front of it. The suction port 1 formed at the bottom of the partition plate 11
6 and returns to the cold air passage 12. By circulating this cold air, the inside of the freezer compartment 10 is cooled to a freezing temperature of, for example, -20°C. 17 is a pull-out heat insulating door that closes the front opening of the freezer compartment 10, and a basket 19 is placed on a frame 18 attached to the inner surface.
The left and right sides of the frame 18 are slidably supported by rails (not shown) formed on the left and right side walls of the inner box 5, so that the door 17 is attached to the lower insulation box 2 so that it can be pulled out. The basket 19 can be moved into and out of the freezer compartment 10 in conjunction with opening and closing.

A cooler cover plate 21 having a heat insulating material on the upper surface is attached to the upper part of the refrigerator compartment 8 with a gap from the top surface of the refrigerator compartment 8, and a cooler 23 for the refrigerator compartment is provided in a cold air passage 22 formed above the refrigerator cover plate 21. It is being Refrigerator cooler 2
3. At the rear, there is provided a refrigerator compartment blower 25 covered by a heat insulating cover 24 which has a fan chamber 24A communicating with the cold air passage 22 inside. A duct 26 is formed which is open and whose upper end communicates with the cold air passage 22 via the blower chamber 24A. A part of the cold air cooled by the refrigerator compartment cooler 23 is sucked by the refrigerator compartment blower 25 and discharged into the refrigerator compartment 8 through the duct 26, and is passed through the suction formed at the front end of the cooler cover plate 21. The cold air is returned to the cold passage 22 through the opening 27 . Reference numerals 29 and 30 denote double-folding doors rotatably attached to the opening edge of the refrigerator compartment 8, and a plurality of pockets are provided on the inner surface. Inside the non-pivot side end of the door 30, when the door 30 is closed, the inner circumferential surface of the doors 29, 30 is rotated by guide members 31, 31 provided facing each other on the upper and lower sides of the opening edge of the refrigerator compartment 8. A partition body 34 forming a contact surface for the gaskets 32 and 33 is mounted rotatably about the vertical direction.
28 is an article placement shelf.

Reference numeral 35 denotes a pull-out heat insulating door that closes the front opening of the compartment 9. A container 37 with an open top is placed and supported on a frame 36 attached to the inner surface, and the left and right sides of this frame 36 are the inner box. 5 The door 35 is slidably supported by rails (not shown) formed on the left and right side walls, so that the door 35 can be freely pulled out and attached to the lower insulation box 2, and when the door 35 is opened and closed, the container 37 is divided into sections. It can be freely stored and stored in room 9. A projecting wall portion 5B protruding toward the refrigerator compartment 8 is formed in a portion of the inner box 5 located on the back side of the refrigerator compartment 8, extending vertically.
A duct member 38 is embedded in the heat insulating material 6 within this projecting wall portion 5B, extending vertically. Duct member 38
The upper end is inside the blower chamber 2 inside the heat insulating cover 24.
A duct 39 that communicates with the cold air passage 22 through 4A and has a lower end opened at the back surface of the compartment 9 at a discharge port 39A.
form. The discharge port 39A is opened and closed by a damper thermostat 40, and the upper part of the damper thermostat 40 is covered with a cover 42 communicating with a cold air discharge passage 41 formed in the partition member 7. The cold air discharge passage 41 has a plurality of discharge ports 43 opened at the lower surface of the front and center portions of the partition member 7 . Furthermore, at the rear of the partition member 7 and on the side of the cover 42, a cold air return passage 44 is formed which communicates the compartment 9 and the refrigerator compartment 8. The refrigerator room blower 25 rotates and sucks cold air from the front and blows it out to the side. A part of the cold air discharged from the blower 25 passes through a duct 39 and passes through a damper thermostat 40 from an outlet 39A. The cold air flows into the cold air discharge passage 41, flows down through the discharge port 43 to the front and center portions of the container 37, and is then circulated, returns to the rear of the refrigerator compartment 8 through the cold air return passage 44, and is sucked together with the circulating cold air in the refrigerator compartment 8. It returns to the cold air passage 22 through the port 27. The refrigerator compartment air blower 25 repeatedly operates and stops depending on the temperature inside the refrigerator compartment 8, and keeps the interior of the refrigerator compartment 8 +
The damper thermostat 40 heats its temperature sensitive part with a heater 45, and controls the heat generated by the heater 45 according to the temperature in the compartment 9. The interior of the chamber 9 can be kept at a freezing storage temperature of 0°C to -3°C or at a temperature of about +10°C suitable for storing vegetables and the like.

Freezing storage temperature refers to the temperature below freezing, but just before food freezes, which is based solely on the fact that the freezing point of food is lower than the freezing point. By storing food in this temperature range, food can be It can be stored for a relatively long period of time by suppressing the proliferation of bacteria without freezing, and furthermore, deterioration of flavor due to freezing can be prevented.

The upper insulating box body 3 is an outer box 47 made of steel plate that opens toward the front.
A heat insulating material 49 is foam-filled between the outer box 47 and the synthetic resin inner box 48, and the upper and lower heat insulating boxes 3 , and a duct member 50 is buried therein. The duct member 50 has an upper end inside the inner box 48.
A discharge port 52A opens into an upper chamber 51 formed inside, and the lower end is connected to the cold air passage 22 through a blower chamber 24A.
A duct 52 is formed which communicates with the. Discharge port 52A
is provided with a damper thermostat 53 that senses the temperature of the upper chamber 51 and opens and closes the discharge port 52A.
It is blocked at 4. A part of the cold air discharged by the refrigerator compartment blower 25 passes through the duct 52, passes through the damper thermostat 53, is discharged into the upper chamber 51 from the discharge ports 54A formed on the left and right sides of the cover 54, and then is insulated from above and below. The upper chamber 5 penetrates through the boxes 3 and 2.
The cold air returns to the cold air passage 22 through a cold air return passage 56 that communicates the front lower part of the air with the cold air passage 22. Upper chamber 51
By changing the setting of the damper thermostat 53, the inside temperature can be selected from a refrigeration temperature such as +3°C to a temperature suitable for storing wine, etc., such as +15°C. Further, 57 is a heat insulating door of the upper chamber 51 whose upper end is pivotally supported by a hinge 58. Furthermore, 59 is a control box that protrudes forward between the door 57 and 29, 30, and is attached to the upper end of the front of the lower insulation box 2 across the left and right sides, and various switches are exposed on the front, and lighting lights are installed inside. 60.

A machine room 63 is formed at the bottom of the lower heat insulating box body 2 and is located between the base leg 62 and the bottom surface 4A of the outer box 4 and is open at least to the front. An electric compressor 64 and a condenser 65 that constitute a refrigerant circuit are installed.
Reference numerals 66 and 66 are wheel devices for transportation attached to the pedestal 62. Reference numeral 68 denotes a machine room cover that hides the front opening of the machine room 63, and a step board 69 is attached to the back surface of the cover that extends substantially horizontally from the top of the machine room 63 toward the back along the bottom surface 4A. The step board 69 and the machine room cover 68 may be integrally molded from synthetic resin or the like. Rollers 70, 70 are attached to the lower ends of both sides of the machine room cover 68 to ground and slide on the floor, and the step board 69 is attached to a pair of rollers 71 attached to the inner surface of the outer box 4 on both sides of the front of the machine room 63.
It is slidably supported by. As a result, the machine room cover 68 and the step board 69 can freely slide back and forth, and when delivering parts to the upper room 51, etc., simply pull the machine room cover 68 toward you.
A step board 69 also comes out. Therefore, by standing on this step board 69, the work can be done easily. or,
At this time, the step board 69 can be pulled out in conjunction with the machine room cover 68, thereby eliminating the double effort of removing the machine room cover 68 and pulling out or attaching the step board 69. Further, when repairing the internal parts of the machine room 63, etc., it can be done by removing the machine room cover 68 and the step board 69. Furthermore, 73 is a stopper formed protrudingly at the rear of the step board 69, 74, 74 are storage positioning protrusions formed at a predetermined interval in the front part, and when the step board 69 is pulled out, the front roller 70
Furthermore, the rear part constitutes a stable stepping surface by being supported by rollers 71.

Next, FIG. 5 shows a front view of the refrigerator compartment 8 with the doors 29, 30 and shelves 28 removed, FIG. 6 shows a rear perspective view of the door 30, and FIG. 7 shows a state with the doors 29, 30 closed. 3 shows a cross-sectional view of the partition body 34 portion of FIG. The guide members 31, 31 are attached to face each other at substantially the center of the upper and lower opening edges of the refrigerator compartment 8, and have a protrusion 76 at the front and a jetty 77 at the rear.
6 has a flat surface that is substantially flush with the opening edge, and the back surface is a substantially semicircular curved surface 76A.
The jetty 77 is continuous with the protrusion 76 on the left side in FIG.
A curved surface 7 which is further spaced rearward and whose front surface has a larger radius of curvature on the pivot side of the door 30 than on the non-pivot side.
7A, and a guide groove 78 is formed between curved surfaces 76A and 77A. A pair of projecting walls 79A and 79B are formed on the inner plate 79 of the door 30.
A pocket 80 is supported between 9A and 79B (the same applies to the door 29). Projecting wall 79B located on the non-pivot side of the back surface of the door 30 and located inside the gasket 33A
A storage member 81 having a substantially U-shaped cross section is attached to the outside of the gasket 33A and is open upward and downward in the direction of the gasket 33A. The storage member 81 is the upper and lower guide members 31, 31
A partition body 34 having a substantially rectangular cross section is rotatably attached to the open end on the door 30 side by a hinge 82. The partition body 34 has a length that extends substantially across the opening edge up and down, and is connected to the guide groove 78 of the upper and lower guide members 31, 31.
The front plate 83 is attached with a flat front surface, and the corners are curved surfaces. Further, the upper and lower ends of the partition body 34 protrude from the storage member 81, and have engaging protrusions 85 having curved front surfaces at these parts.

When the door 30 is open, the partition body 34 is as shown in FIG.
It is stored in a storage member 81 as shown by the dashed line in FIG. 6 or 7. If the door 29 is opened in this state, the partition 34 will not be present at the opening of the refrigerator compartment 8, and the entire opening can be used for delivering food, which is extremely practical. Next, when the door 30 is closed, the engaging protrusion 85 of the partition 34 enters the guide groove 78 from the entrance on the door 30 side, and then the curved surface 7 of the jetty 77
7A and is guided by the engaging protrusion 76, the partition body 34 is rotated counterclockwise in FIG. . At this time, the front plate 83 of the partition 34 is substantially flush with the opening, and the gasket 32 of the doors 29, 30
A, 33A form a close contact surface, thereby sealing the opening. When the door 30 is opened, the engaging protrusion 85 of the partition 34 is rotated clockwise in FIG. 7 along the curved surface 76A of the protrusion 76, and is stored in the storage member 81. . This operation is performed completely independently of the door 29.

Next, FIG. 8 shows an enlarged side sectional view of a main part of the overlapping portion of the upper heat insulating box 3 and the lower heat insulating box 2. As shown in FIG. The control box 59 is formed into a hollow box shape by bending a metal plate, and is attached to the front surface of the outer box 4 between the door 57 and 29,30. The control box 59 protrudes forward from the doors 57, 29, 30, and the illumination lights 60 housed inside are also installed so that at least a portion thereof protrudes forward from the front surfaces of the doors 57, 29, 30. It extends to The illumination lamp 60 is composed of a well-known fluorescent lamp. A plurality of through holes 105 are formed in the upper and lower surfaces of the control box 59 located above and below the illumination lamp 60, and are opened upward and downward by a plurality of cut-and-raised holes 104 over a range in front of the doors 57, 29, and 30. In addition, the cut and raised portion 104 is placed on the upper surface of the control box 59 in the direction of the upper chamber 51.
Also, the one on the bottom surface of the control box 59 is directed toward the refrigerator compartment 8. Thereby, the light from the illumination lamp 60 is properly irradiated in front of the doors 57, 29, and 30 in the vertical direction, and also in the direction of the upper chamber 51 and the refrigerator compartment 8.

Next, FIG. 9 shows an electric circuit diagram for controlling the illumination lamp 60. 121 is a starter, and 122 is a stabilizer. A parallel circuit of switches SW1, SW2, SW3, SW4, and SW5 is connected to the circuit between the ballast 122 and the power supply AC. Switch SW1, SW2,
SW3, SW4, SW5 are doors 57, 29, respectively.
30, 35, and 17, the contacts are always open and are closed only while the door is open. Therefore, any door 57, 29,
When 30, 35, and 17 are opened, the illumination lamp 60 is turned on. That is, when the door 57 is opened, the illumination light 60 illuminates the inside of the upper chamber 51 from the lower front, and
Alternatively, when the refrigerator compartment 30 is opened, the inside of the refrigerator compartment 8 is illuminated from the upper front. Further, when the door 35 or 17 is pulled open and the container 37 or the basket 19 is pulled out, the light passing in front of the door 29, 30 illuminates the food inside the container 37 or the basket 19 from above. As described above, the food stored in each chamber 51, 8, 9, and 10 can be illuminated by the single illumination light 60, thereby improving usability and reducing costs.

Recesses 106 reaching the lower surface 47A of the outer box 47 are formed on both sides of the front of the lower surface 48A of the inner box 48 of the upper heat insulating box 3. Also, from the back surface 47B near the bottom surface 47A of the outer box 47, the bush 107 and the sealing material 108 are removed.
A lead wire 109 is sealed with a bushing 110 and a sealing material 111 is led out from the back surface 4B near the top surface 4A of the outer box 4. 112 has been derived. When attaching the upper insulating box 3 to the lower insulating box 2, the lower surface 47A of the outer box 47 of the upper insulating box 3 is placed on top of the top surface 4A of the bottom box of the lower insulating box 2 so as to overlap. Next, pass through holes previously formed in the bottom surface of the recess 106 and the corresponding lower surface 47A, and screw the screws 115 into the recess into the mounting plate 114 buried in the insulation material 6 side of the top surface 4A of the outer box 4 corresponding to the holes. 106 and the lower surface 47A are fixed. Thereafter, the recess 106 is hidden by engaging a cover 116 that is substantially flush with the lower surface 48A of the inner box 48. This allows recess 1
06 and the screw 115 are hidden and no design problems will occur. Next, the lead wires 109 and 112 are connected using connectors 117 and 118. 119 is an internal hollow box-shaped fixture, and the upper and lower insulation boxes 3,
The lead wire 109,
After connecting 112, lead wires 109, 112,
The bushes 107, 110, etc. are covered from the rear and stored inside, and the upper and lower ends are fixed to the upper and lower insulation boxes 3, 2 with screws 120, 121. Thereby, it is connected to the rear portions of the upper and lower insulation boxes 3 and 2. At this time, the fixture 119 is exposed to the outside (in the example, two places on the left and right), but since it is on the back of the refrigerator 1, there is no problem with the design. Since the connection can be made with the heat insulating box 3 placed on it, the work becomes extremely easy. Furthermore, since the lead wires 109 and 112 are protected by the fixture 119, the lead wires 10 and 112 are protected against damage caused by collisions during transportation of the refrigerator 1, etc.
9 and 112 will not break, and there is no need to install special guard members or the like.

(g) Effects of the invention According to the present invention, the pull-out door is located below the rotating door, and the lighting lamp is located in front of the rotating door, and the light turns on no matter which door is opened. By doing so, it is possible to illuminate the storage room closed by the pivoting door from the front and to illuminate the stored articles behind the drawer-type door from above using one illumination light. In addition, by positioning the light outside the refrigerator, the light is not exposed to cold air and there is no problem with frost formation, and the light can also be used as a warning light to notify you if you have forgotten to close the door. I can do it.

[Brief explanation of the drawing]

Each figure shows an embodiment of the present invention. Figure 1 is a perspective view of the refrigerator, Figure 2 is a front view of the refrigerator excluding each door, and Figure 3 is a cross section taken along line A-A of Figure 2 including the door. figure,
Figure 4 is a sectional view taken along the line B-B, Figure 5 is a front view of the refrigerator compartment excluding the door, Figure 6 is a perspective view of the rear side of the refrigerator compartment door, and Figure 7 is an enlarged plan sectional view of the partition part. , Figure 8 is an enlarged side sectional view of the main part of the upper and lower insulation box joints, Figure 9
The figure is an electrical circuit diagram for lighting control. 8... Refrigerator room, 9... Compartment room, 10... Freezer room, 17, 29, 30, 35, 57... Door, 51
...Upper room, 60...Lighting light.

Claims (1)

[Scope of utility model registration request] In a refrigerator that divides an insulating box with a front opening into upper and lower sections to form multiple storage chambers, and has multiple doors that close the opening of each storage chamber, the multiple doors are equipped with a rotating door and a rotating door. It consists of a drawer-type door installed below the door, and located in front of the rotary door at the upper part of the opening edge of the storage room that is closed by the rotary door. A refrigerator characterized by being equipped with a lighting lamp that turns on at certain times.