JPH0769108B2 - Refrigerator door and manufacturing method thereof - Google Patents

Description

Description: [Industrial application] The present invention relates to a refrigerator door having an operation panel on the front surface of the door.

[Prior Art] Fig. 18 and Fig. 19 are shown in Japanese Patent Application No. 62-14 filed previously by the applicant.
It shows an example of a conventional refrigerator shown in No. 5566.
Figure 18 is a perspective view of the essential parts of a conventional refrigerator, and Figure 19 is XI of Figure 18.
It is sectional drawing of the X-XIX line.

In the figure, (1) is a refrigerator main body, (2) and (3) are doors mounted so as to cover the front opening of the refrigerator main body (1) in an airtight manner, respectively, a freezer compartment door and a refrigeration compartment door. . (5) is a door outer plate of the freezer compartment door (2), and (4) is an electrical component cover fixed to the rear surface of the opening opening in the door outer plate (5) to form a space (6). is there.

(8) is an operation part main body arranged in the space part (6), and the temperature inside the refrigerator main body (1) can be adjusted by operating a temperature setting knob (7) provided outside. It also has the function.

(9) is a mounting plate forming the operation section main body (8),
Reference numeral (31) denotes a printed circuit board fixed to the boss (61) integrally provided on the back surface of the mounting plate (9) with a screw (62),
A temperature control knob body (63) capable of selectively and arbitrarily setting the temperature inside the refrigerator by operating the temperature setting knob (7) is fixed by soldering or the like.

The boss (61) of the mounting plate (9) is provided with a predetermined gap so that the knob body (63) arranged on the printed circuit board (31) and electronic parts do not come into contact with the mounting plate (9). Is formed. Further, in the positional relationship between the electrical product cover (4) and the mounting plate (9), if the electrical product cover (4) is deepened, a predetermined thickness of the heat insulating wall of the freezer compartment door (2) can be secured. Disappear.

For this reason, in order to prevent the occurrence of dew on the freezer compartment door (2), the electric product cover (4) is made shallow so that the mounting plate (9) projects forward from the door outer plate (5). Is forming. In addition, (41) is a decorative cover that covers the temperature setting knob (7) so that it can be opened and closed, and (10) is a foamed heat insulating material such as polyurethane foam that is foamed in situ.

[Problems to be Solved by the Invention] Since the conventional operation part body mounted on the conventional freezer compartment door is configured as described above, the depth of the operation part body from the printed circuit board is large. It must be projected forward from the door outer plate, or the depth of the concave electrical component cover must be increased.

In the former case, there is a problem that not only the operation part projects toward the door surface side to impair the aesthetic appearance but also the depth dimension of the refrigerator main body increases compared to the flat face design which is currently popular. Further, in the latter case, there is a problem that the thickness of the heat insulating wall of the door becomes thin and heat is leaked from the freezing compartment to cause dew condensation on the printed circuit board and the electrical component cover.

The present invention has been made to solve the above-described problems, and it is designed to match a design in which a protrusion such as a handle is less than a door outer plate, and the depth dimension of a concave portion for accommodating a printed circuit board is reduced as much as possible. Another object of the present invention is to provide a refrigerator door in which dew condensation is prevented without using a dew-prevention heater and the like, and a method for manufacturing the same, by increasing the thickness of the heat insulating wall of the printed circuit board housing of the door.

[Means for Solving the Problems] A refrigerator door according to claim 1 of the present invention is a refrigerator in which an operation part for adjusting the temperature in the refrigerator from the outside is provided in front of the door of the refrigerator body. An operation panel that constitutes the operation unit, in which a display unit is mounted on the front surface and an electronic board made of chip components is mounted on the back surface, and a display window unit is opened on the front surface under a door cap fitted and mounted on the lower end of the door In addition, an operation panel insertion opening for inserting the operation panel is opened on the lower surface, and an operation panel insertion space for accommodating the operation panel is formed by a heat insulating cover fitted to the back surface under the door cap corresponding to the display window portion. Then, the operation panel is housed in the operation panel insertion space so that the display portion of the operation panel is exposed to the display window portion, and the operation panel insertion opening is closed by a lid. Of.

Further, according to a second aspect of the present invention, there is provided a refrigerator door manufacturing method, wherein an operating section for controlling a temperature inside a refrigerator is provided on a front surface of a refrigerator main body.
An operation panel that constitutes the operation unit, in which a display unit is mounted on the front surface and an electronic board made of chip components is mounted on the back surface, and
A display window portion is opened on the front surface below the door cap fitted and attached to the lower end of the door, and an operation panel insertion opening for inserting the operation panel is opened on the lower surface, and the lower portion of the door cap corresponding to the display window portion is opened. A heat insulating cover fitted to the back surface of the heat insulating cover forms an operation panel insertion space communicating with the operation panel insertion opening for accommodating the operation panel, and an upper surface stopper is provided on the inner ceiling of the heat insulating cover near the upper portion of the display window. The upper surface stopper is provided while forming an inclined wall that inclines rearward and downward from the upper surface stopper to the rear wall, and the upper end of the operation panel inserted from the operation panel insertion opening is brought into contact with the inclined wall of the heat insulating cover. To the display window portion side by an operation panel support rib provided on the back surface of the lid that guides and engages with the operation panel insertion opening. It is obtained so as to pressure fixing.

Further, the door of the refrigerator according to claim 3 of the present invention is a refrigerator in which an operation part for adjusting the temperature in the refrigerator from the outside is arranged on the front surface of the door of the refrigerator body. An operation panel that constitutes the operation unit on which an electronic board made of chip parts is mounted is provided, and a display window is opened on the front surface under the door cap fitted and mounted on the lower end of the door, The operation panel is arranged so that the display section is exposed to the display window section, and rail upper and lower rails, which are concave grooves, are provided on the upper and lower front surfaces of the operation panel, and these rail upper and lower rails are provided, respectively. Are partially closed at the upper and lower ends of the display window, and a plurality of sliding projections are provided on the back surface to engage with the rail above and below the rail, respectively, and the front is provided below the door cap. Sliding the display window portion has, is provided with a window cap for closing the operation panel openably.

The refrigerator door according to a fourth aspect of the present invention is the refrigerator door according to the first aspect, wherein the electronic device is attached to the operation panel by being drawn out into the operation panel insertion space formed under the door cap. The board is provided with a lead wire to be connected via a connector, and the heat insulating cover forming the operation panel insertion space is provided with an outlet portion of the lead wire, which is connected to a tip of the lead wire drawn out from the outlet portion. The connector, the connector on the side of the electronic board that is connected to the connector is mounted on the back surface side of the operation panel on which the electronic board is mounted, and the connection directions of the connector are opposed to each other in the vertical direction and the lead wire is The positions of the outlet and the connector provided on the electronic board are separated by a predetermined distance in the left-right direction.

[Operation] Since the refrigerator door according to claim 1 of the present invention is configured by mounting the operation panel on the front surface and the electronic substrate including the chip parts on the back surface, the operation panel is opened from the operation panel insertion opening under the door cap. After inserting, the lid is fitted so as to close the operation panel insertion opening under the door cap, so that the front surface of the operation panel is exposed without protruding from the display window portion opened on the front surface under the door cap. Also, the operation panel can be made thin and the operation panel insertion space can be made thin.

In the method for manufacturing a refrigerator door according to claim 2 of the present invention, when an operation panel having an electronic board made of a chip part on the front surface and a chip part on the back surface is inserted from an operation panel insertion opening under the door cap, the operation is performed. The upper edge of the panel is guided by the inclined wall of the heat insulating cover and engages with the upper stopper, and
When the lid closes the operation panel insertion opening, the operation panel support ribs provided on the back of the lid push the operation panel toward the display window side opened on the front surface under the door cap, and the operation panel front surface is exposed without protruding. It is easily and surely arranged and fixed.

Further, the refrigerator door according to claim 3 of the present invention is configured by mounting an operation panel on the front surface and an electronic substrate made of chip parts on the back surface, and a window cover for opening and closing the operation panel,
Since the protective ribs are provided with a plurality of sliding protrusions which are provided on the upper and lower front surfaces of the operation panel and which are partially closed at the upper and lower ends of the display window and engage with the rail and under the rail, the window lid is slidable. Without protruding from the front surface under the cap, and
It can be easily formed.

Further, a refrigerator door according to claim 4 of the present invention is the refrigerator door according to claim 1, in which the connection direction of the lead wire and the connector on the electronic board side is made to face each other in the vertical direction,
Since the outlet of the lead wire and the position of the connector on the electronic board side are separated from each other by a predetermined distance in the left-right direction, the lead wire can be processed while being separated by the predetermined distance.
There are no variations in storage work, and no excessive force is applied to the lead wires or connectors.

[Embodiment] A first embodiment of the present invention will be described in detail below with reference to the drawings. 1 to 6, the same reference numerals as those in the conventional technique indicate the same or corresponding portions, and detailed description thereof will be omitted. FIG. 1 is a perspective view of a refrigerator having a refrigerator door according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of the refrigerator door of FIG. 1, (a) is a perspective view of the door, and (b) is a perspective view of the door. ) Is a perspective view of the operation panel, (c) is a perspective view of the main part of the back surface of the lid, FIG. 3 is a sectional view taken along the line III-III in FIG. 2, and FIG. 4 is IV-IV in FIG.
5 is a sectional view for explaining the procedure for inserting the operation panel into the operation panel insertion space shown in FIG. 3, and FIG. 6 is a procedure for inserting the lid into the operation panel insertion space shown in FIG. It is sectional drawing explaining.

In the figure, (1) is a refrigerator main body, and (2) is an openable / closable front surface of a freezer compartment formed in the refrigerator main body (1) which is one of the doors for opening / closing the refrigerator main body (1). In the freezer compartment door, the door outer plate (5) has an upper door cap (11) made of ABS resin on the upper side and a lower door cap (12) on the lower side.
Also, a handle (13) is fitted and mounted in a frame shape on the left side surface.

(14) is a door sash made of extrusion molding, which is divided and arranged in a frame shape. A door gasket (not shown) is attached to this door sash (14) and the door inner plate (15) is fixed with a screw (16). A flange (14a) is provided to fit the freezer body (1) side such as the door cap upper (11), the door cap lower (12) and the handle (13). Reference numeral (10) is a foamed heat insulating material which is foamed and filled in the inner surface of the door outer plate (5), and fixes and fixes the above-mentioned members.

(17) is a horizontally long display window portion opened on the front surface of the lower door cap (12), (18) is an operation panel insertion opening opened on the lower surface of the lower door cap (12), and (19) is these display window portions. (17) A heat insulating cover that connects the operation panel insertion opening (18) to form an operation panel insertion space (20). It is desirable that the heat insulating cover (19) is formed integrally with the lower portion of the door cap (12), but since it is impossible to manufacture a molding die, it is formed as a separate body.

(22) is an inverted L formed on the back surface of the lower flange (21) of the display window section (17) that opens to the front surface under the door cap (12).
The hook portion has a character shape, and a chamfered portion (22a) is formed on the shoulder thereof. (23) is a concave groove formed on the freezer body (1) side of the operation panel insertion opening (18), and (24) is an engagement step formed on the rear wall of the operation panel insertion space (20). ， Molded by pressing with a molding die. (24a) is a through hole formed by this push-cut forming, and (25) is the heat insulating cover (19) so as to be arranged close to this through hole (24a).
The flange formed integrally with the through hole (24a) allows a small amount of air leakage when the foam insulating material (10) is filled with foam and leakage of the foam insulating material (10) from the small clearance (26). The engagement step portion (24) is prevented from reaching.

Reference numeral (27) is an upper surface stopper provided on the inner ceiling of the heat insulating cover (19), and is arranged near the upper portion of the display window (17). Reference numeral (28) is an inclined wall for guiding the insertion of the operation panel (29) which inclines backward and downward from the upper surface stopper (27) to the rear wall.

The operation panel (29) constitutes an operation unit that allows the temperature inside the refrigerator to be adjusted from the outside, and forms a display unit with a display label (30) attached to the surface. (3
1) is an electronic board mounted on the back side of the operation panel (29). The electronic board (31) was developed for thin space saving, and the chip parts used are mounted on the printed board. ing. It should be noted that the thickness of the electronic board (31) measured by measuring the mounted one is less than half that of the conventional one.

(32) is an upper front sloped portion of the operation panel (29), (33) is an upper rear sloped portion, and the operation panel upper end (29a) is formed at the intersection of the upper rear sloped portion (33) and the upper front sloped portion (32). To form. Reference numeral (34) is a chamfered portion which is formed on the lower portion of the front surface of the operation panel (29) and which is engaged with the chamfered portion (22a) of the shoulder of the hook portion (22) when mounted. Reference numeral (35) is a lid that closes the operation panel insertion opening (18) opened on the lower surface of the lower portion of the door cap (12), and is located forward of the rear surface side between the lower flange (21) and the hook portion (22). A front rib (36) to be engaged, a short rear rib (37) to be engaged with the concave groove (23) at the rear, and an operation panel support rib (at the center for supporting the back surface of the operation panel (29) ( 38), and a plurality of positioning ribs (39) are provided on the back surface of the operation panel support rib (38). Reference numeral (40) is a hook formed between the operation panel support rib (38) and the rear surface rib (37), and a plurality of hooks are provided so as to engage with the engagement step (24).

Further, the panel contact ribs (4) of the heat insulating cover (19) are provided on the rear surface of the upper surface side (48) of the display window portion (17) under the door cap (12).
9) is firmly attached to the door outer plate (5).

Next, the operation will be described. As shown in FIG. 3, after the foam insulation material (10) is foam-filled in the freezer compartment door (2) to form a heat insulation wall and each member is coupled and fixed, the operation panel (29) is formed as shown in FIG. ) Is inserted from the operation panel insertion opening (18), the upper end (29a) of the operation panel contacts the inclined wall (28) for guiding the operation panel (29), and the operation panel (29) is pushed further upward. The upper end (29a) of the operation panel is brought into contact with the upper stopper (27) by being guided by the upper back sloped portion (33) of the operation panel (29) and inclined to the position shown by the alternate long and short dash line in FIG. The upper front sloped portion (32) allows the lower portion of the operation panel (29) to be easily inserted forward without distorting force due to an unreasonable insertion force, and can be arranged at a predetermined position. Department (2
The chamfered portion (22a) of 2) is engaged with the surface-remaining portion (34) of the operation panel (29), and the operation panel (29) is temporarily fixed.

Further, in order to fix the operation panel (29) in the front-back and up-down directions, the lid (35) is inserted into the operation panel insertion opening (18) as shown in FIG. The operation panel support rib (38) and the positioning rib (39) integrated with the lid (35) press the operation panel (29) forward, and the front rib (36) causes the lower flange (21) and the hook (2).
The operation rib (37) is engaged with the recessed groove (23) between the two (2) and the hook (40) is engaged with the engagement step (24) to hold the operation panel (29).

Therefore, in this state, the operation panel (29) is firmly held by the front, rear, upper and lower sides and the lower flange (21).
The front rib (36) and the rear rib (37) of the lid (35) are respectively the hook portion (22) and the concave groove (2) under the door cap (12).
It is engaged with 3) and held without rattling.

The operation panel (29) can be fixed in the left-right direction by making the width of the operation panel (29) almost the same as the width of the operation panel insertion space (20) in the left-right direction without rattling. it can.

Next, a second embodiment will be described with reference to FIGS. In the figure, the same reference numerals as those in the prior art and the first embodiment indicate the same or corresponding portions, and detailed description thereof will be omitted. 7 is a perspective view of a refrigerator having a refrigerator door according to the second embodiment of the present invention, FIG. 8 is a perspective view of an operation panel according to the second embodiment of the present invention, and FIG. 9 is a second embodiment of the present invention. FIG. 10 is a sectional view corresponding to FIG. 3 according to an example, and FIG.
11 is a sectional view corresponding to FIG. 4 according to the embodiment, FIG. 11 is a sectional view corresponding to FIG. 5 according to the second embodiment of the present invention, and FIG. 12 is corresponding to FIG. 6 according to the second embodiment of the present invention. FIG. 13 is a rear perspective view of the window cover according to the second embodiment of the present invention.

In the first embodiment described above, the case where the display window portion (17) is fully opened is described, but in the second embodiment, as shown in the figure, the display portion is displayed when the operation panel (29) is not used. Display window part (17) so as to close the surface of the display label (30)
The present invention relates to a structure in which a window cover (41) covering about half of the above is provided. Sliding projections (42) are fitted on the upper and lower ends of the window lid (41) so as to be slidable in the left-right direction by fitting with the back surface of the display window (17).
There are multiple. (43) is a protection rib of the sliding projection (42), and (44) and (45) are above and below the rail, which is a concave groove for horizontally sliding the window cover (41), and the operation panel (29). The sliding protrusion (42) of the window cover (41) is provided on the front surface of the corresponding position. When the operation panel (29) is mounted on the display window portion (17) under the door cap (12), the rail upper (44) and rail lower (45) display windows (17) as shown in FIG. ) Is partially closed by the upper and lower edges, and acts as a stopper when the sliding projection (42) of the window lid (41) is engaged.

Further, when the sliding protrusions (42) of the window cover (41) are fitted on the rail upper part (44) and the rail lower part (45), they are inserted by utilizing the elasticity of the plastic material of the window cover (41). There is a gap (46) to allow it. Since the sliding projection (42) is elastically inserted into the upper and lower (44) (45) of the rail as described above, the width of the sliding projection (2) needs to be as short as possible. When the width is made narrower, the window cover (41) becomes weaker in strength against the pressure applied to the side of the operation panel (29), so that the window cover (41) should be attached to the front flange (29b) of the operation panel (29). ) To secure the strength of the window lid (41) by contacting the protective rib (43) of the above) and to the push button switch section (not shown) of the display label (30) attached to the front surface of the operation panel (29). Placed circular boss (47)
It is configured to secure a space between the circular lid and the window lid (41) and prevent a malfunction caused by contact with the circular boss (47) when the window lid (41) is pressed.

Further, in the first embodiment, as shown in FIGS. 3 to 6, the upper surface side (4) of the display window portion (17) under the door cap (12) is
On the back of 8), the panel contact ribs (49) of the heat insulation cover (19)
Is closely attached to the door outer plate (5), but it is not shown in Figs.
As shown in the figure, the panel contact ribs (4
An inclined surface (50) may be formed on the 9), and an inclined rib (51) may be provided on the back surface of the upper surface side (48) of the display window part (17) corresponding to the inclined surface (50).

Furthermore, as shown in FIGS. 9 and 12, a square groove (52) is partially formed on the back surface of the upper surface side (48) of the display window portion (17) by a tunnel slide mold mechanism. (52)
The engaging claws (53) may be formed on the heat insulating cover (19) in correspondence with the above.

With the above configuration, the former 10th
As shown in FIG. 11 and FIG. 11, the upper surface side (4
Since 8) is sandwiched between the door outer plate (5) and the inclined rib (51), not only positioning in the front-rear direction is possible, but also the strength of the three members is improved.

Further, in the latter, not only the positioning in the vertical direction is possible by fitting the engaging claws (53) into the angular grooves (52) partially arranged as shown in FIGS. 9 and 11.
The upper side (48) of the display window (17) is prevented from falling down. Incidentally, (54) is a notch of the engaging claw (53) provided on the operation panel (29) corresponding to the engaging claw (53). In addition,
Reference numeral (60) shown in FIG. 10 is a service hole into which a tool such as a screwdriver can be inserted so as to disengage the hook (40) from the engagement step (24).

Next, a third embodiment of the present invention relating to the connection of the lead wires of the electronic board (31) of the operation panel (29) will be described with reference to FIGS.
The figure will be described. The same reference numerals as those in the conventional technique, the first embodiment and the second embodiment indicate the same or corresponding portions. 14th
FIG. 15 is an exploded perspective view of a refrigerator door according to a third embodiment of the present invention, FIG. 15 is a front view of a main part of FIG. 14, and FIG. 16 is an XV of FIG.
It is sectional drawing of the I-XVI line.

In the figure, (55) is a lead wire embedded in the foam insulation material (10), and one end is on the door cap (1) of the freezer compartment door (2).
The hinge hole (56) opened on the side opposite to the handle (13) of 1) is connected to a power supply (not shown) through the hinge hole (56), and the other end is a heat insulating cover (19) under the door cap (12).
Through the upper part of the outlet of the operation panel into the operation panel insertion space (20) and the connector (57a) is connected to the tip of the operation panel insertion space (20).

Reference numeral (57b) is a connector mounted on the side of the electronic board (31) mounted on the back surface of the operation panel (29) and includes the lead wire (5).
It is connected to the connector (57a) of 5) and is electrically connected to the electronic board (31). Note that (57) is this connector (57
It shows a combination of both a) and the connector (57b).

The positions of the outlet (58) of the lead wire (55) of the heat insulating cover (19) and the connector (57b) on the side of the operation panel (29) are arranged so as to be separated by a predetermined dimension in the left-right direction. Further, the length of the lead wire (55) having the connector (57a) at the tip from the outlet part (58) is such that the operation panel (29) is connected to the connector (57b) under the door cap (12). The length is set to allow work.

(59) is a lead wire storage part formed by denting the back wall of the operation panel insertion space (20) and is set to the length between the outlet part (58) and the connector (57b) of the operation panel (29). Has been done.

Next, the operation will be described. First, under the door cap (1
Connect the connector (57b) on the operation panel (29) side to the connector (57a) of the lead wire (55) outside of 2). The insertion directions of the connector (57a) and the connector (57b) are opposed to each other in the vertical direction, and the positions of the lead wire outlet (58) and the connector (57b) on the operation panel (29) side are separated by a predetermined distance in the horizontal direction. Since it is located, connect the operation panel (29) to the operation panel insertion space (2
When inserted in (0), the lead wire (55) becomes a horizontal S shape,
It is stored in the lead wire storage section (59).

Therefore, there is no variation in the work of accommodating the lead wire (55) and the connector (57), and no unreasonable force is applied to the root of the lead wire (55) at the outlet (58), which may cause the terminal of the connector (57) to come off. , And the operation panel insertion space (2
Since the minimum space is provided so that the lead wire (55) and the connector (57) can be comfortably accommodated in (0), the thickness of the heat insulation wall of the freezer compartment door (2) can be sufficiently secured. .

Although the lead wire storage portion (59) is formed by recessing the back wall of the operation panel insertion space (20) in the third embodiment, the lead wire storage portion (59) is formed as shown in FIG. ) May be formed by notching a part of the operation panel support rib (38), and the operation panel (29) is securely attached to the display window part (17) under the door cap (12) by the operation panel support rib (38). By fixing the lead wire (55) to the operation panel support rib (38) and accommodating the lead wire (55) in the operation panel support rib (38),
The depth dimension of the operation panel insertion space (20) can be further reduced.

[Effects of the Invention] As described above, according to claim 1 of the present invention, in the refrigerator in which the operation portion for adjusting the temperature in the refrigerator from the outside is arranged on the front surface of the door of the refrigerator body, the operation is displayed on the front surface. An operation panel that constitutes the operation section is provided on the bottom and back surfaces of which an electronic board made of chip components is mounted, and a display window is opened on the front surface under the door cap fitted and mounted on the lower end of the door and the bottom surface. An operation panel insertion space for inserting the operation panel is opened, and an operation panel insertion space for accommodating the operation panel is formed by a heat insulating cover fitted to a rear surface under the door cap corresponding to the display window portion, Since the operation panel is housed in the operation panel insertion space so that the display portion of the operation panel is exposed to the display window portion, and the operation panel insertion port is closed by a lid,
The operation panel can conform to the flat face design without protruding from the front side under the door cap, and the foam filling space of foam insulation with a sufficient thickness can be secured at the rear part of the operation panel insertion space, so that there is no dew. There is an effect that it is possible to obtain a heater that does not require the use of a prevention heater or the like.

Further, according to claim 2 of the present invention, in a refrigerator in which an operation part for adjusting the temperature in the refrigerator from the outside is arranged on the front surface of the door of the refrigerator main body, a display part is provided on the front surface and a chip part is provided on the back surface. An operation panel that constitutes the operation section on which the electronic board is mounted is provided, and a display window section is opened on the front surface under the door cap fitted and mounted on the lower end of the door and the operation panel is inserted on the lower surface. An operation panel insertion space communicating with the operation panel insertion opening for accommodating the operation panel is formed by a heat insulating cover that opens the operation panel insertion opening and is fitted to the back surface under the door cap corresponding to the display window portion, An upper surface stopper is provided on the inner ceiling of the heat insulating cover near the upper portion of the display window section, and an inclined wall that slopes backward and downward is formed from the upper surface stopper to the rear wall. An operation provided on the back surface of the lid that closes the operation panel insertion opening by guiding the upper end of the operation panel inserted through the panel insertion opening to the inclined wall of the heat insulating cover while guiding the engagement to the upper surface stopper. Since the operation panel is pressed and fixed to the display window portion side by the panel support rib, it is possible to easily mount the thin operation panel in which the electronic substrate and the display portion are integrated, and the display window portion is provided. In addition, there is an effect that the operation panel can be firmly attached.

Further, according to claim 3 of the present invention, in a refrigerator in which an operation part for adjusting the temperature in the refrigerator from the outside is arranged on the front surface of the door of the refrigerator main body, a display part is provided on the front surface and a chip part is provided on the back surface. An operation panel that constitutes the operation section on which the electronic board is mounted is provided, and a display window section is opened on the front surface under the door cap fitted and attached to the lower end of the door to open the display section of the operation panel. The operation panel is arranged so as to be exposed in the display window portion, and rail upper and lower rails, which are concave grooves, are provided on the upper and lower front surfaces of the operation panel, and the rail upper and lower rails are respectively displayed. The front surface under the door cap is provided with a plurality of sliding projections provided on the upper and lower sides of the rear surface, which are partially closed at the upper and lower edges of the window, and which are engaged with the rail above and below the rail. Since the window lid that slides in the window portion and closes the operation panel so as to be openable and closable is provided, it is possible to obtain an effect that can be mounted with a simple structure without protruding the window lid forward from below the door cap. is there.

According to a fourth aspect of the present invention, in the refrigerator door according to the first aspect of the present invention, the electronic device which is pulled out to the operation panel insertion space formed under the door cap and is attached to the operation panel. The board is provided with a lead wire to be connected via a connector, and the heat insulating cover forming the operation panel insertion space is provided with an outlet portion of the lead wire, which is connected to a tip of the lead wire drawn out from the outlet portion. The connector, the connector on the side of the electronic board that is connected to the connector is mounted on the back surface side of the operation panel on which the electronic board is mounted, and the connection directions of the connector are opposed to each other in the vertical direction and the lead wire is The position of the outlet portion and the connector provided on the electronic substrate are separated by a predetermined distance in the left-right direction.
In addition to the above effect, there is an effect that when the lead wires are connected to the operation panel, there is no variation in the work of accommodating the lead wires, and the quality and workability can be improved.

[Brief description of drawings]

1 to 17 relate to the present invention. FIG. 1 is a perspective view of a refrigerator having a refrigerator door according to a first embodiment of the present invention, and FIG. 2 is an exploded perspective view of the refrigerator door of FIG. In the figure, (a) is a perspective view of a door, (b) is a perspective view of an operation panel, (c) is a perspective view of a main part of a back surface of a lid, and FIG. 3 is a perspective view of FIG.
A sectional view taken along the line III-III, FIG. 4 is a sectional view taken along the line IV-IV in FIG. 1, and FIG. 5 is a sectional view illustrating a procedure for inserting the operation panel into the operation panel insertion space shown in FIG. FIG. 6 is a sectional view for explaining the procedure for inserting the lid into the operation panel insertion space shown in FIG. 3, and FIG. 7 is a perspective view of a refrigerator having a refrigerator door according to the second embodiment of the present invention, and FIG. Is the second of this invention
FIG. 9 is a perspective view of an operation panel according to an embodiment, FIG. 9 is a sectional view corresponding to FIG. 3 according to a second embodiment of the present invention, and FIG. 10 is a sectional view corresponding to FIG. 4 according to a second embodiment of the present invention. , No.
11 is a sectional view corresponding to FIG. 5 according to the second embodiment of the present invention, FIG. 12 is a sectional view corresponding to FIG. 6 according to the second embodiment of the present invention, and FIG. FIG. 14 is a rear perspective view of a window lid according to an embodiment, FIG. 14 is an exploded perspective view of a refrigerator door according to a third embodiment of the present invention, FIG. 15 is a front view of essential parts of FIG. 14, and FIG. 16 is FIG. XVI-XVI sectional view of FIG. 17, FIG. 17 is a perspective view of a lid according to another embodiment of the present invention, FIG. 18 is a perspective view of essential parts of a conventional refrigerator, and FIG. 19 is XIX-XIX of FIG. It is sectional drawing of a line. In the figure, (1) is the refrigerator main body, (2) is the freezer compartment door (door),
(10) is foam insulation, (12) is under the door cap, (17)
Is a display window portion, (18) is an operation panel insertion opening, (19) is a heat insulating cover, (20) is an operation panel insertion space, (21) is a lower flange, (22) is a hook portion, and (24) is a hook. Joint part, (27) upper surface stopper, (28) inclined wall, (29) operation panel,
(29a) is the upper end of the operation panel, (30) is the display label (display section), (31) is the electronic substrate, (35) is the lid, (38) is the operation panel support rib, (39) is the positioning rib, and (40). ) Is a hook, (41) is a window cover, (42) is a protrusion for sliding, (43) is a protective rib, (44) is on a rail, (45) is under a rail, (47) is a circular boss, (55). Is a lead wire, (57, 57a, 57b) is a connector, (58) is an outlet portion, and (59) is a lead wire housing portion.

Claims (4)

[Claims] 1. A refrigerator in which an operating unit for controlling the temperature inside the refrigerator is arranged from the outside in front of a door (2) of a refrigerator body (1), wherein a display unit (30) is provided on the front and a chip is provided on the back. An operation panel (29) that constitutes the operation unit is provided on which an electronic board (31) made up of parts is mounted, and is displayed on the front surface of the lower door cap (12) fitted and mounted on the lower end of the door (2). The window portion (17) is opened and the operation panel insertion opening (18) for inserting the operation panel (29) is opened on the lower surface of the door cap lower portion (12) corresponding to the display window portion (17).
A heat insulating cover (19) fitted to the back surface of the operation panel (29) forms an operation panel insertion space (20) for accommodating the operation panel (29), and the display section (30) of the operation panel (29) is connected to the display window section. A refrigerator characterized in that the operation panel (29) is housed in the operation panel insertion space (20) so as to be exposed at (17), and the operation panel insertion opening (18) is closed by a lid (35). door. 2. A refrigerator in which an operating section for controlling the temperature in the refrigerator from the outside is arranged in front of a door (2) of a refrigerator body (1), wherein a display section (30) is provided on the front and a chip is provided on the back. An operation panel (29) that constitutes the operation unit is provided on which an electronic board (31) made up of parts is mounted, and is displayed on the front surface of the lower door cap (12) fitted and mounted on the lower end of the door (2). The window portion (17) is opened and the operation panel insertion opening (18) for inserting the operation panel (29) is opened on the lower surface of the door cap lower portion (12) corresponding to the display window portion (17).
A heat insulating cover (19) fitted to the back surface of the heat insulating cover (19) forms an operation panel insertion space (20) communicating with the operation panel insertion opening (18) for accommodating the operation panel (29). The upper surface stopper (27) is provided near the upper part of the display window (17) on the inner ceiling part, and the inclined wall (28) is formed so as to incline rearward from the upper surface stopper (27) to the rear wall. The upper end (29a) of the operation panel (29) to be inserted from the panel insertion opening (18) is guided to the upper surface stopper (27) while being brought into contact with the inclined wall (28) of the heat insulating cover (19). And the operation panel (29) is pressed and fixed to the display window (17) side by an operation panel support rib (38) provided on the back surface of the lid (35) that closes the operation panel insertion opening (18). Manufacturing method for refrigerator door. 3. A refrigerator in which an operating section for controlling the temperature inside the refrigerator is arranged on the front side of a door (2) of a refrigerator body (1), wherein a display section (30) is on the front side and a chip is on the back side. An operation panel (29) that constitutes the operation unit is provided on which an electronic board (31) made up of parts is mounted, and is displayed on the front surface of the lower door cap (12) fitted and mounted on the lower end of the door (2). The operation panel (29) is arranged such that the window (17) is opened and the display section (30) of the operation panel (29) is exposed to the display window section (17). A rail top (44) and a rail bottom (45) consisting of concave grooves are provided above and below the front surface of (29), and these rail top (44) and rail bottom (45) are respectively above the display section (17). , Sliding that partially closes at the bottom edge and engages with the rail top (44) and rail bottom (45) respectively A plurality of protrusions (42) are provided on the protection ribs (43) provided on the upper and lower surfaces of the rear surface, and slide in the display window portion (17) opened on the front surface of the lower portion of the door cap (12), and the operation panel (29 ) Is provided with a window lid (41) for opening and closing the door freely, and a refrigerator door. 4. The electronic board (31) and the connector (57) which are drawn into the operation panel insertion space (20) formed in the lower portion of the door cap (12) and mounted on the operation panel (29).
a) (57b) connected to the heat insulation cover (19) forming the operation panel insertion space (20), and the outlet (58) of the lead wire (55). The lead wire (55) that is provided and pulled out from this outlet (58)
(57a) connected to the tip of the connector, the connector (57b) on the electronic board (31) side connected to the connector (57a), the back surface of the operation panel (29) on which the electronic board (31) is mounted Mounted on the side of the connector (57a, 57a
The connection direction of b) is made to face each other in the vertical direction, and the outlet portion (58) of the lead wire (55) and the electronic substrate (3
The refrigerator door according to claim 1, characterized in that the connector (57b) provided in 1) is arranged in the left-right direction with a predetermined space between them.