JPS62108982A - Refrigerator - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a refrigerator constructed by polymerizing a plurality of heat-insulating boxes.

(b) Conventional technology Conventionally, this kind of polymerization type refrigerator was developed in Utility Model Application Publication No. 56-5477, for example.
As shown in Publication No. 8, a protrusion is formed on the upper surface of the lower insulation box, a recess is formed on the lower surface of the upper insulation box, and by fitting the recess and the projection, both insulation boxes can be separated. It is made to polymerize. In addition, the lead wires extending from the electrical components inside both insulation boxes are pulled out from the top or bottom surface, respectively.
The configuration is such that each is connected with a connector.

(c) Problems to be solved by the invention According to this configuration, the upper and lower insulating boxes are simply connected by fitting, so there is a risk of them shifting due to vibrations caused by earthquakes, shocks when opening and closing doors, etc. There is. Further, the lead wires had to be connected with the upper insulating box floating upwards, resulting in poor workability.

(d) Means for Solving the Problems In order to solve the problems, the present invention provides a method for solving the above problems by providing a method to solve the problems by adding A recess (106) leading to the outer box (47) is formed at the bottom of the recess (106), and the upper and lower insulation boxes (3) (2) are screwed to the bottom of the recess (106).
6) is closed, the insulation box (3) (2) is connected with a fixture (119) that extends between the backs, and the lead wires (109) (112) are connected within the fixture (119). This is what I did.

(E) Function According to the present invention, the upper and lower insulating boxes are firmly fixed at the front and rear parts, and there is no problem in terms of design.

Further, the lead wires can be connected with the upper insulation box placed on the lower insulation box.

(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 layer removed, and Fig. 3 is a cross section taken along line A-A of Fig. 2 including the door. 4 and 4 respectively show cross-sectional views taken along the line B--B. The refrigerator (1) is composed of a lower insulating box (2) that opens to the front and an upper insulating box (3) that is attached to the upper surface of the lower insulating box (2) and opens to the front. . The lower insulating box (2) is made of a heat insulating material (such as Polyurecne foam) in the space between the outer box (4) made of steel plate and the inner box (5) built into the outer box (4) with a gap between them. 6) is filled using an on-site foaming method. The inner box (5) is constructed by vacuum forming a synthetic resin plate, and the partition wall portion (5A) that divides the interior into upper and lower sections is also integrally formed, and the partition wall portion (5A) is also heat-insulated. The material (6) is filled. A heat insulating partition member (7) is provided at a distance above the partition wall portion (5A), and the area above the partition member (7) is the refrigerator compartment (8), and the area below the partition wall portion (7) is the refrigerator compartment (8). The space above (5A) is a compartment (9), and the space below the partition wall (5A) is a freezer (10).

At the back of the freezer compartment (10) there is a partition board (
11) is installed vertically with a gap from the back of the inner box (5), and a freezer compartment cooler (12) is installed in the cold air passage (12) formed behind it.
3) is installed vertically. The cold air completely cooled by the freezer compartment cooler (13) is sucked in by the freezer compartment blower (14) installed above it, and is passed through the partition plate (11) in front of it.
) is discharged into the freezing chamber (10) from the discharge port (15) formed in
The colder air returns to the cooler air passage (12). Through the circulation of this cold air, the inside of the freezer compartment (10) is cooled to a freezing temperature of, for example, -20°C. (17) is an insulated door that closes the front opening of the freezer compartment (10), and the frame attached to the inner surface A basket (19) is placed on the body (18), and this frame body (18)
The left and right sides of the door (17) 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 freely pulled out. The basket (19) can be moved into and out of the freezer compartment (10) in conjunction with the opening and closing of the refrigerator compartment (8).A cooling N cover plate (21) with a heat insulating material on the upper surface is installed on the top of the refrigerator compartment (8). (8) A refrigerator compartment cooler (23) is installed in the cold air passageway (22) that is installed at a distance from the top surface and formed above the refrigerator compartment cooler (23). A refrigerator compartment blower (
25), and the lower end of the insulation cover (24) opens to the refrigerator compartment (8), and the upper end opens to the blower compartment (24A).
) A duct (26) communicating with the cold air passage (22) via
is completely formed. A part of the cold air cooled by the refrigerator compartment cooler (23) is sucked by the refrigerator compartment blower (25), discharged into the refrigerator compartment (8) through the duct (26), and then passed through the refrigerator cover plate (21). Suction port formed at the front end <27
) returns into the cold air passage (22). (29) (30
) is a double door that is 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, there are guide members (31) (31) provided oppositely on the upper and lower sides of the opening edge of the refrigerator compartment (8). Door (2
9) (30) A partition body (34) forming a contact surface of the gaskets (32) and (33) on the inner circumferential surface is attached to be rotatable about the vertical direction. (28) is an article mounting shelf.

(35) is an insulating door that closes the front opening of the compartment (9), and a frame (36) attached to the inner surface is attached to a container (36) with an opening on the top.
37) is placed and supported, and the left and right sides of this frame (36) are slidably supported by rails (not shown) formed on the left and right side walls of the inner box (5), so that the door (35) is placed under the lower insulation. It is attached to the box (2) so that it can be pulled out freely, and this m (35
) The container (37) can be moved into and out of the compartment (9) in conjunction with the opening and closing of the container (37). The part of the inner box (5) located on the back side of the refrigerator compartment (8) has a projecting wall 1 (5) that protrudes toward the refrigerator compartment (8).
B) extends vertically and is completely formed, and the protruding wall part (5
B) extends vertically into the insulation material (6) in the duct member (
38) will be buried. The duct member (38) has an upper end connected to the cold air passage (22) via the blower chamber (24A) in the heat insulating cover (24), and a lower end connected to the discharge port (39A) on the back side of the compartment (9). A duct (39) is formed. The discharge port (39A) is connected to the damper thermostat (4
0), and the damper thermostat (40
) is a cold air discharge passage (
41) is covered with a cover (42) that communicates with the main body. 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). (42
) A cold air return passage (44) is formed on the side of the compartment (9) and the refrigerator compartment (8) to communicate with each other. The refrigerator room blower (25) rotates to suck in cold air from the front and blow it out to the side. A part of the cold air discharged from the blower (25) passes through the duct (39) and exits through the discharge port (39A). from the damper thermostat (40) to the cold air discharge passage (
41>, flows down from the discharge port (43) to the front and center of the container (37) and circulates, and then flows into the cold return passage (4
4) Returns to the rear of the refrigerator compartment (8), and returns to the cold air passage (22) through the suction port (27) together with the circulating cold air inside the refrigerator compartment (8). The refrigerator compartment blower (25) repeatedly starts and stops depending on the temperature in the refrigerator compartment (8), and maintains the refrigerator compartment (8) at a refrigerating temperature of +3°C, etc., but the damper thermostat (40) By heating the temperature sensing part with a heater (45) and controlling the heat generated by the heater (45) according to the temperature inside the compartment (9), the temperature inside the compartment (9) is reduced to 0°C.
It is possible to set the temperature to freezing storage temperature of -3°C to -3°C or to +10°C which is suitable for storing vegetables and the like. Here, freezing temperature storage temperature refers to the temperature below freezing, but just before food freezes, which is based exclusively on the property 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 insulation box (3) is a steel plate outer box (47) that opens at the front.
A heat insulating material (49) is foam-filled between the inner box (48) made of synthetic resin and a projecting wall (48A) formed on the back of the inner box (48).
) Inside the insulation material (49), a duct member (50
> is buried. The upper and lower sides of the duct member (50) are connected by overlapping the upper and lower insulation boxes (3) and (2), and the upper end is connected to the upper chamber (51) formed in the inner box (48) through the discharge port (
A duct (52) is formed which is open at 52A) and whose lower end communicates with the cold air passage (22) via the blower chamber (24A). 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).
53) is closed with a cover (54). A portion of the cold air discharged by the refrigerator room blower (25) is transferred to the duct (52).
through the damper thermostat (53), the force/
< After being discharged into the upper chamber (51) from the discharge ports (54A) formed on the left and right sides of (54), the upper and lower insulation boxes (3)
(2) to the front lower part of the upper chamber (51) and the cold air passage (2).
2) is returned to the cold air passage (22) through the cold air return passage (56) (also constituted by an upper and lower connection). Inside the upper chamber (51) is a damper thermostat (
By changing the setting of 53), it is possible to select from a refrigeration temperature such as +3°C to a temperature suitable for storing wine, etc., such as +15°C. Also, (57) has a hinge (58) at the top end.
) is the insulating door of the upper chamber (51). Furthermore, (59) protrudes forward between the door (57), (29), and (30), and extends from side to side to the lower insulation box (2), which is attached to the upper end of the front surface. The switches are exposed and there is an illumination light (60) inside.

A machine room (63) is formed at the bottom of the lower heat insulating box (2) between the base leg (62) and the bottom surface (4A) of the outer box (4) and opens at least to the front. An electric compressor (64) and a condenser (65), which together with the two coolers (13) and (23) constitute a refrigerant circuit, are housed inside (63). (66) (66) is a wheel device for transportation attached to the pedestal (62). (68) is a machine room cover that hides the front opening of the machine room (63), and on the back side there is a step board ( 69) is installed. The step board (69) and the machine room cover (68) may be integrally molded from synthetic resin or the like. Machine room cover (68) At the lower end of both sides, there are rollers (70) that slide and touch the floor.
) is attached, and the step board (69) is attached to the machine room (63
) Outer box on both sides of the front part (4) Slidably supported by a pair of rollers (71) attached to the inner surface. 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., the machine room cover (68) can be pulled toward you. Ba,
A step board (69) will also appear. Therefore, work can be done easily by riding on this step board 69). Further, since the step board (69) can be pulled out in conjunction with the machine room cover (68) at this time, the double effort of removing the machine room cover (68) and pulling out or attaching the step board (69) can be saved. Also, 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 protruding from the rear of the step board (69), and (74) (74) is a storage positioning protrusion formed at a predetermined interval on the front part.
) forms a stable step surface by supporting the front part on the roller (70) and the rear part on the roller (71) when it is pulled out.

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 perspective view of the back of the door (30), and FIG. shows a cross-sectional view of the partition (34) with the doors (29) and (30) closed. The guide members (31) (31) are attached to face each other at approximately 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. ), the protrusion (76) has a flat front surface that serves as an opening edge and a road surface, and a rear surface has a substantially semicircular curved surface (76A).

The jetty (77) is continuous with the protrusion (76) on the left side in Fig. 7, is further spaced to the rear, and has a front surface with a radius of curvature larger on the pivot side of the door (30) than on the non-pivot side. A curved surface (77A
) and a guide groove (78) is formed between the curved surfaces <76A) and (77A). Inner plate (79) of door (30)
) is formed with a pair of projecting walls (79A) (79B), and the pocket (80) is supported between the projecting walls (79A)<79B) (the same applies to the door (29)). On the outside of the protruding wall (79B) on the inside of the gasket (33A) located on the non-pivot side of the back of the door (30), there is a storage member with a substantially U-shaped cross section that is open upward and downward in the gasket I- (33A) direction. (81)
is installed. The storage member (81) extends vertically with a dimension slightly shorter than the interval between the upper and lower guide members (31) <31), and has a hinge (82) at the open end on the door (30) side.
A partition body (34) having a substantially rectangular cross section is rotatably attached. The partition body (34) has a length that extends vertically across the edge of the opening, and extends vertically with a dimension that is slightly shorter than the interval between the guide grooves (78) of the upper and lower guide members (31) (31). The front plate (83) is attached as a flat 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 engagement protrusions (85) with curved front surfaces at these parts.

When the door (30) is open, the partition (34) is as shown in FIG.
The storage member (8
1) It is completely stored inside. If the door (29) is opened in this state, there will be no partition (34) 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 partition body (34)
) of the door (3) is inserted into the guide groove 78).
Enter through the entrance on the 0) side, then enter the curved surface (7) of the jetty (77).
The engaging protrusion (76) comes into contact with the door (7A) and is fully guided, and the partition (34) is rotated counterclockwise in FIG.
At the same time as the chamber of 30) is closed, the engaging protrusion (85) connects to the protrusion (76).
Matches the rear. At this time, the front plate (83) of the partition body (34)
is the opening and the road surface, and constitutes the contact surface of the gaskets (32A) (33A>) of the doors (29) and (30), thereby sealing the opening.When opening the door (30),
On the other hand, in the present version, the engagement protrusion (85) of the partition body (34) is the protrusion (
It is rotated clockwise in FIG. 7 along the curved surface (76A) of 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 cross-sectional view of the main part of the overlapping portion of the upper heat insulating box (3) and the lower heat insulating box (2). The hunt roll box (59) is formed into a hollow box shape by bending a metal plate, and is attached to the front of the outer box (4) between the door (57) and (29>(30)). The control box (59) protrudes forward from the doors (57), (29), and (30), and the lighting lamp (60), which is fully stored inside, also sticks out from the door (57), (29), and (30).
57) It is attached so that at least a part of it protrudes forward from the front surfaces of (29) and (30), and extends from side to side.

The illumination lamp (60) consists of a well-known fluorescent lamp. Control box (5) located above and below the lighting light (60)
A plurality of through holes (105) are formed on the upper and lower surfaces of the door (57), (29), and (30) by a plurality of cut-and-raised holes (104), which are opened upward and downward.
Also, the cut-up 104) is the control box (
59) The one on the top side is oriented toward the upper chamber (51), and the one on the bottom side of the control box (59) is oriented toward the refrigerator compartment (8). As a result, the light from the illumination lamp (60) can be well illuminated in front of the doors (57), (29), and (30) in the vertical direction, and also in the direction of the upper room (51) and the refrigerator compartment (8). ing.

As shown in FIG. 9, recesses (106) are formed on both front sides of the lower surface (48A) of the inner box (48) of the upper heat insulating box (3), reaching the lower surface (47A) of the outer box (47). Also, outer box (47)
From the back (47B) near the lower surface (47A) of the lead wire (10) sealed with a bush (107) and sealant (108) as shown in FIG.
9) is led out, and a lead wire (112) sealed with a bush (110) and a sealing material (111) is also led out from the back (4B) near the top surface (4A) of the outer box (4). It has been derived. Upper insulation box (3) and lower insulation box (2)
When installing the lower insulation box (2), the outer box (4) top surface (
4A) Place the outer box (47) of the upper insulation box (3>) on the lower surface (47
A) is polymerized and placed. Next, it penetrated the holes previously formed in the bottom surface of the recess (106> and the corresponding lower surface (47A), and was buried in the corresponding top surface (4A) of the outer box (4) on the insulation material (6) side. Screw (115) on mounting plate (114)
Fix the recess (106) and the lower surface (47A) with. Thereafter, the recess (106) is concealed by engaging the lower surface (48A) of the inner box (48) with the cover (116) that forms the road surface.
will be hidden and no design problems will arise. Next, connect the lead wires (109) and (112) to the connector (117) (1
18) Connect. (119) is an internal hollow box-shaped fixture, which has a length extending between the upper and lower insulation boxes (3) and (2), and after connecting the lead wires (109) and (112), (109) (112), Bushu (107)
(110) etc. are covered from the rear and stored inside, and the upper and lower ends are screwed (120) and (121) to the upper and lower insulation box (3) (
2) is fixed. As a result, the upper and lower insulation boxes (3) (2
) are joined at the rear. At this time, the fixture (119) is exposed to the outside (in the example, two locations on the left and right), but the refrigerator (
1) Since it is on the back, there is no problem with the design. Also, Riichido line (
109) (112) can be connected with the upper insulation box (3) placed on the lower insulation box (2), making the work much easier.
It becomes easier. Even more lead! (109X112) is protected by the fixing device (119), so the lead wires (109) and (112) will not be broken due to collisions during transportation, etc., and there is no need to install special guard members, etc. will also disappear.

In the embodiment, the recess (106) is formed in the inner box (48) of the upper insulating box (3), but the recess (106) is not limited to this. Forming both insulation boxes (3)
(2) may be combined.

(g) Effects of the Invention According to the present invention, the upper and lower insulating boxes can be firmly fixed at the front and rear parts, and will not shift due to vibrations, etc., and this will also have a negative effect on the design effect. No damage,
Furthermore, the connection between both insulation boxes and the lead wires can be done with the upper insulation box placed on the lower insulation box, which greatly improves work efficiency, and at the same time, the lead wires can be protected by the fixture. Therefore, no special guard is required.

[Brief explanation of drawings]

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 six doors, and Figure 3 is a cross section taken along line A-A of Figure 2 including the doors. 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 view of the partition. 8 is an enlarged side sectional view of the main part of the joint portion of the upper and lower insulation boxes, FIG. 9 is a front perspective view of the upper chamber, and FIG. 10 is a rear perspective view of the refrigerator. (2)...Lower insulation box, (3)...Upper insulation box,
(47)... Outer box, (48)... Inner box, (10
6)...Recess, (109) (112)...Lead wire, (119)...Fixing tool. Applicant Sanyo Electric Co., Ltd. and 1 other representative Patent attorney Shizuo Sano Figure 5 Figure 6 1': 3 days 6%561 Dob Figure 9 Figure 10

Claims (1)

[Claims] 1. In a refrigerator formed by superimposing an upper insulating box body and a lower insulating box body each having a front opening, which is made of an outer box, an inner box, and a heat insulating material between both boxes, the upper insulating box body or the lower insulating box body is It consists of a recess formed in the front part of the inner box on the side of the overlapping part and reaching the outer box, and an internal hollow fixture that spans between the back surfaces of the upper and lower insulating boxes and connects them together, After the upper and lower insulating boxes are screwed together, the recess is closed, and the lead wires extending from the upper and lower insulating boxes are connected within the fixture.