JPH01210791A - Refrigerator - Google Patents

Abstract

PURPOSE:To make it possible to open an inner door by opening only an outer door on one side and to close the inner door by closing the outer door at the same time by making the outer doors and inner doors double doors that open and close together on hinges and closing the inner doors in conjunction with the action of closing the outer doors and releasing the holding of the inner doors which are in the state of closure by only pushing the inner doors. CONSTITUTION:The outer doors and inner doors 37 and 40 of a refrigerator are double doors that open and close together on hinges. These inner doors 37 and 40 are provided to close simultaneously by being pushed by pockets 70 provided on the insides of the outer doors when the outer doors are closed. And, in the upper brim faces of the idle ends of the inner doors 37 and 40 magnetic members 86 are buried, and those members are held in the state of closing by magnetic member 90 of a holding switch 85 mounted on a duct 59 which corresponds to the upper brims of the idle ends of the inner doors. The release of holding in the state of closing is effected only by the projection of a pushing member 89 of the holding switch 85 when only the inner doors are pressed. With this arrangement the operation to open and close the inner doors becomes simple.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to an improved structure of a refrigerator whose front opening is opened and closed by double doors.

(B) Conventional technology Conventionally, in this type of refrigerator, the purpose of reducing the space in which the front door is opened is to divide the door into two parts, as shown in Japanese Utility Model Application No. 55-52082, and to open the left and right sides separately. There is a ceremony.

With this configuration, only one door needs to be opened to remove the food inside the refrigerator, and the amount of cold air leaking can also be reduced.

(c) Problems to be Solved by the Invention When, for example, a compartment is formed inside such a refrigerator and the compartment is closed by an inner door, a single inner door that spans the entire width of the left and right inside the refrigerator is not suitable for double-opening type. J5? It is impossible to open the inner door when one side of L (outer S) is open. In addition, the inner door can also be double-opened, but for example, if the user opens the outer door on the right side with their right hand and then tries to open the inner door with their left hand, the outer door on the left will get in the way and cause the inner door to open. There was a problem that it became difficult to open.

The present invention aims to solve this problem.

(d) Means for Solving the Problems The present invention provides a refrigerator with a double-opening outer door and an inner door, and a holding switch for keeping the inner door in the closed state, and the holding switch is set in the initial state to keep the door closed. It has an extrusion member that comes into contact with the inner door when the door is closed, and a magnet member that attracts the magnetic material of the inner door.The inner door is closed when the outer door is closed, and the holding switch is activated when the inner door is closed. When the pressure is completely released from this state, the extrusion member protrudes to separate the magnetic body from the magnet member, and the extrusion member and the magnet member are returned to the initial state.

(*) Function According to the present invention, the inner door can be opened and closed only by opening one of the outer doors, and the inner door can be closed at the same time by closing the outer door. In addition, the inner door can be opened by pressing and releasing the hand.

(f) Embodiments Next, embodiments will be explained with reference to the drawings. Figure 1 is a refrigerator
1) shows a front view. The front opening of the refrigerator (1) has double doors (2), one set each on the top and bottom.

(3) and outer doors (4) and (5), and the bottom row is further closed by a pull-out door (6). Even more!
(2).

A control box (7) is provided protruding between (3), <4), and (5).

Figure 2 shows doors (2), (3), (4) and (5).
3 and 4 show a sectional view taken along the line AA and BB in FIG. 2, respectively. A heat insulating material (10) is filled between the outer box (8) which opens at the front and the inner box (9) assembled therein using an on-site foaming method to form a heat insulating box body (11). The inside of this insulating box (11) is divided into upper and lower parts by an insulating partition wall (12), forming an upper chamber and a lower chamber that are mutually insulated and independent in terms of air circulation. It is partitioned left and right by a partition wall (13) to form a first freezing chamber (14) and a second freezing chamber (15). At the back of the upper chamber, there is a partition plate (16) that spans the entire width of the left and right sides.
A vertical cooling chamber (17) is formed by this, in which a freezer compartment cooler (18) can be vertically installed, and further above it, a main blower (19) is located behind the partition wall (13). be done. The partition plate (16) has air outlets (20) and (21) formed above and below located behind the second freezer compartment (15), and is located behind the first freezer compartment (14). An air outlet (22) is formed on the side of the partition wall (13), and an ice making air outlet (23) is formed below. Between the freezer compartment cooler (18) and the partition plate (16) are the front of the main blower (19) and the air outlet (
A heat insulating plate (25) is provided which forms a duct (24) that communicates 20), (21), (22) and (23). Main ventilation! (19) is a propeller fan that rotates and sucks in the cold air that has exchanged heat with the freezer compartment cooler (18) and discharges it into the duct (24) in front of the air outlet (20).
, (21), (22) and (23),
The cold air that circulated through both chambers (14) and (15) passes through the partition wall (
12) is suctioned from the suction port (27) in the front of the bottom plate (26).

The duct (24) extends further rearward and laterally from the air outlet (22), and an auxiliary air outlet (2B) is provided at its terminal end, and an auxiliary air outlet (29) is provided in the partition plate (16) in front of the duct (24).
is formed. Auxiliary sending! L machine (28) and partition board (16)
In between, there is a duct (3) that communicates with the ice-making outlet (23).
0) is formed. The auxiliary blower (28) is a propeller fan that rotates and forcibly sucks in the cold air blown out from the main blower (19), and supplies the first refrigeration air from the auxiliary air outlet (29) and the ice-making air outlet (23). A large amount of cold air is blown into the chamber (14) to powerfully cool the inside of the first freezing chamber (14).

The inside of the first freezer compartment (14) is divided into upper and lower parts by a partition plate (32) installed corresponding to the ice-making outlet (23) (removed in Fig. 2), and the area below the partition plate (32) is partitioned into an upper and lower part. dish(
33) is used as an ice making room (34). Partition plate (3
2) is internally hollow, and its internal space (35) communicates with the outlet (23), and a number of outlets (36) are formed on the lower surface from the back to the front, so that the lower ice tray (33) It is constructed so that cold air is blown approximately evenly from the air outlet (23) from above. This partition plate (32
) The top surface is used for placing frozen foods. The lower chamber below the partition wall (12) is used as a refrigerating room (38), and the upper part has an insulating partition plate (39) and a double-folding inner door (37).
(40) forms an ice chamber (41).

Here, the partition wall (12) has a heat insulating plate (46) in both freezer compartments (1
4) The bottom plate (26) of (15) and the top plate (31) of the refrigerator compartment (38) are sandwiched from above and below, and in that state, the insulation box body (
11). Further, in this state, a passage communicating between the suction port (27) and the cooling chamber (17) is formed between the bottom plate (26) and the heat insulating plate (46). Further, the central portion of the top plate (31) is spaced apart from the heat insulating plate (46) from front to back, and a duct (59) is formed within the space.

There is a partition board (
42) constitutes a cooling room (43), inside which a refrigerator room cooler (44) is installed vertically. Refrigerator cooler (
44) Sending Jltl upwards! (45) is attached, and its front partition plate (42) communicates with the rear end of a duct (59) extending above the ice room (41). A blower (45) is installed between the refrigerator compartment cooler (44) and the partition plate (42).
A heat insulating board (47) extending downward from both sides of the cooler (44) from the front space to create a duct (47) that opens into the refrigerator compartment (38).
48) is provided. The blower (45) is a propeller fan that rotates to draw in cold air that has exchanged heat with the cooler for the refrigerator (44), blows it forward, and releases it on both sides onto the top plate (31) of the duct (59). A plurality of discharge ports (4
9) blows out cold air into the ice room (41), and also supplies cold air to the refrigerator compartment (38) through the duct (47). The cold air that has cooled the ice room (41) is passed through the suction port (50) formed in the partition plate (42), and the cold air that has cooled the refrigerator compartment (38) is formed on the lower surface of the partition plate (39), and then the partition plate (
42) and returns to the cooling chamber (43) through a suction duct (52) formed with a plurality of suction ports (51).

From the top plate (31) there is a protrusion (31a) whose upper end approaches and seals when the inner J9 (37) and (40> are opened).
protrudes downward from side to side, and the duct (59) extends further forward above this contact portion (31a) to close the outer door (
4).

(5) Cold air is also blown out from the discharge port (71) for cooling the inner pocket (70). (72) is an icehouse (41)
) is placed on the partition plate (39), and its front end wraps with the lower edge of the inner door (37), (40) to form a seal when opened. The top plate (3) of the duct (59)
1) A central shelf support (73) is attached to the lower surface, and a shelf support (74), (
75) is hung from above, and two shelves (75) are installed between these shelf supports (73), (74), and (75).
76), (76) are supported in parallel (the above are excluded in Fig. 3), shelf supports (74), (
75) has through holes (74a) and (75
a) is bored through the hole (74a) through which cold air is blown out from the discharge port (49) and flows down.
It passes through (75a) and flows well below the shelves (76) and (76), so that the inside of the ice room (41) can be uniformly cooled.

Next, FIG. 5 shows a plan sectional view of the outer doors (4) and (5) butt portions, and FIG. 6 shows a plan sectional view of the ice chamber (41). A partition (79) is attached to the inner surface of the roadside of the outer door (5) by means of a hinge (78) and extends in the vertical direction. On the other hand, the lower surface of the front end of the partition wall (12) located at the butt part of the outer doors (4) and (5) and the outer J5% (4>,
Guide members (81) and (81) are installed facing each other on the upper surface of the front partition (54) between (5) and the door (6) to create a guide groove (80) that is open on one side forward and on the opposite side. It is being Also, (G) and (G) are magnetic gaskets on the inner surfaces of the outer doors (4) and (5). Furthermore, the partition body (79)
Engagement protrusions (82) are formed protruding from the upper and lower ends of the
When the outer door (5) is open, the partition (79) is along the inner surface of the outer door (5) as shown by the two-dot chain line in Fig. 5, and when the outer door (5) is closed, the engaging protrusion (82) is the guide groove (8
0) and is guided by it to rotate the partition body (79) counterclockwise in Fig. 5, and finally the front steel plate (79) is rotated counterclockwise in Fig. 5.
79A) flush with the opening edge and gasket (G),
Form the magnetized surface (G). This operation is performed independently of the outer door (4), and when the outer doors (4>, (5)) are opened, the partition (79) is not at the edge of the opening of the refrigerator compartment (38), so it does not get in the way.

The inner doors (37) and (40) are always biased in the opening direction by coil springs (84) and (84) wound around their rotating shafts as shown in Fig. 6. (40) is the partition body (79) or the outer door (
4) Set the dimensions so that it does not touch. Furthermore, the outer door (4),
When the (5) and inner doors (37) and (40) are closed, the pockets (70) and (70) are in contact with each other or very close to each other, and as shown in FIG. 5) and open the inner door (37) or (40).
When opened, the front of the inner door (37) or (40) is the pocket (70) or (70) of the outer door (4) or (5).
). As a result, when the outer door (4) is closed from the state shown in FIG. 6, the inner door (37) will also be closed by being pushed by the pocket (70). Inner door (40)
The same applies to the outer door (5). Therefore, there is no need to close them separately, making them easy to use. Also, the inner door (37).

(40) is also a double door type, so if you open either of the outer doors (4) or (5) as shown in Figure 6, you can open the corresponding inner doors (37) or (40), allowing the cool air to flow out. Leakage can be minimized.

On the other hand, the protrusion (31a) corresponding to the duct (59) has a front end Niha holding switch (85), (85) inside 1 (37)
, (40) is installed corresponding to the upper edge of the roadside.

FIG. 7 shows an enlarged vertical sectional view of the hold switch (85) portion, and FIGS.
-D! ! A cross-sectional view is shown respectively. Each figure shows the inner door (37) in an open state. Inner door (37) (Inner door (40)
A magnetic material (86) is buried in the rear surface of the upper edge of the roadside. The holding switch (85) is connected to the spring (87), (
8B), each of which is biased in the protrusion direction (
89) and a magnet member (90) that are movable back and forth, and the state in which both of them protrude as shown in FIGS. 7 to 9 is the initial state. In addition, an extrusion member (89) and a magnet member (90
) are formed with notches (89a) and <90a), and corresponding to each notch (89a) and (90a), locking arms (91) and (92) are attached to a common shaft (93). The locking arm (91) is always pressed against the extrusion member (89) by a spring (94).

Next, the operation will be explained. The closed state of the inner door (37) is shown in FIG. 7. In this state, the holding switch (85) is in the initial state, and the magnetic body (86) of the inner door (37) is closed to the magnet member (90).
), and the push-out member (89) is in contact with the magnetic body (86>).Next, the user opens the inner door (37) as shown by the solid line arrow in FIGS. 8 and 9. When you press it with your hand,
Both parts (89) and (90) are pushed in together, and the locking arm (91) first corresponds to the notch (89a) so that it can rotate clockwise in FIG. 8, and the notch (90a) (92)
When the locking arm (91) and (92) are rotated, the locking arm (91) is located in the notch (89a), and the locking arm (92) is locked in the notch (90a). match. Next, when the hand is released, the pushing member (89) is pushed out by the spring (87) as shown by the broken line in FIG. On the other hand, since the magnet member (90) is retained by the locking arm (92), the magnetic member (86)
) is pulled away from the magnet member (90) by the extrusion member (89), and the inner door (37) can be opened. Thereafter, the inner door (37) is rotated and opened by the fill spring (84). Thereafter, the locking arm (91) comes to the rear end of the notch (89a) and is rotated counterclockwise in FIG.
) returns to the initial state together with the pushing member (89). Also, when the inner door (37) is closed, the magnetic body (86) moves to the magnetic member (
90) and is retained. That is, since the inner door (37) can be opened only by pressing it by hand, the outer door (4) in FIG.
You can easily open the inner door (37) with your right hand while keeping your left hand on the door.

Moreover, when closing the inner door (37), the operation is easy because the magnetic body (86) is attracted to the magnet member (90) at the closed position of the inner door (37) by closing the outer door 5 (4). Become. Furthermore, inside ff
, (40) as well.

The lower part of the refrigerator compartment (38) is further equipped with a partition plate (53) and a partition front (5
4), and below it is a frame 5 (6).
) is housed with an upper opening container (56) that is fully supported, and the inside thereof can be used as a vegetable compartment (57). (58) is a container (
56) is a small container provided inside. (60) is a machine room formed at the bottom of the insulation box (11).
The first compressor (6
2) and a second compressor (63) can be installed in parallel. Both compressors (62), (63) front machine room (60)
) contains the first evaporating dish condenser (64)! The condenser (65) for the 2nd evaporating dish is arranged in upper and lower layers, and the 1st
The evaporating dish (66) is placed on the evaporating dish condenser (64) of #
C is placed. The ceiling wall (67) of the machine room (60) is sloped high to accommodate the compressors (62) and (63), but the ceiling wall (67) at the position corresponding to the first compressor (62) A recess (68) is formed. 1st
The compressor (62) is the first evaporating dish condenser (
64) and a freezer compartment cooler (18), the second compressor (63) constitutes a second evaporating dish condenser (65) and a refrigerator compartment cooler (44). A second refrigerant circuit is configured.

(G) Effects of the Invention According to the present invention, since both the front door and the inner door are double-opening, the opening space of the front door of the refrigerator can be reduced, and
Since the inner door can be opened only by opening one of the outer doors, leakage of cold air can be minimized. Furthermore, since the inner door can be opened simply by pressing and releasing the hand, it can be opened easily even if the hand is still on the outer door, and the inner door remains open when the outer door is opened, making it easy to use. This is a huge improvement.

[Brief explanation of the drawing]

Figure 1 is a front view of the refrigerator, Figure 2 is a front view of the refrigerator excluding some doors, Figures 3 and 4 are A-A in Figure 2, respectively.
Line sectional view and B-B line sectional view, Fig. 5 is a plan sectional view of the part where the outer door butts, Fig. 6 is a plan sectional view of the refrigerator in the ice room part, and Fig. 7 is a plan sectional view of the top plate of the holding switch part. The vertical cross-sectional views, FIGS. 8 and 9, are taken from C-C in FIG. 7, respectively. ! Cross-sectional view and D
-Dfi sectional view. (1)...Refrigerator, (4), (5)...Outer door, (37), (40)...Inner door, (85)...
...Holding switch, (86)...Magnetic material, (89
)...Extrusion member, (90)...Magnet member.

Claims (1)

[Claims] 1. In a refrigerator equipped with a double-opening outer door and an inner door, and a holding switch that maintains the closed state of the inner door, the holding switch is a pusher that comes into contact with the inner door when the inner door is closed in the initial state. and a magnetic member to which the magnetic material of the inner door is attracted, and the inner door is closed when the outer door is closed, and the holding switch is released when the inner door is pressed from the closed state. The refrigerator is characterized in that the magnetic body is separated from the magnet member by the protrusion of the push-out member, and the push-out member and the magnet member are returned to the initial state.