JP6515331B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator, and more particularly to a door configuration for opening and closing a low temperature storage room and the like.

  In general, a household refrigerator comprises a refrigerator compartment, a vegetable compartment, a freezer compartment and the like, and a chilled compartment (a temperature zone lower than the refrigerator compartment and a temperature zone of about 1 ° C.) which is cooled to a lower temperature than the refrigerator compartment. A room provided with a low temperature storage room such as a room) or a partial room (room with a freezing temperature zone of about -3 DEG C.) or a switchable third temperature zone room can be seen. (See, for example, Patent Document 1).

  FIG. 13 shows a refrigerator described in Patent Document 1. This refrigerator is provided with a low temperature storage room 102 at the lower part of the cold storage room 101, and this low temperature storage room 102 is also a shelf board located on the lowermost level of the cold storage room 101. It is covered and constituted by the shelf board member 103 to be used.

  The low temperature storage room 102 has a container 104 which can be drawn out, and the opening on the front of the storage room can be opened and closed by a door 105 pivotally supported at the front end of the shelf board member 103.

JP, 2006-118825, A

  The door 105 such as a low temperature storage room as described in Patent Document 1 is usually formed by inserting a glass plate or a transparent plate made of synthetic resin in a door frame, and the opening of the front face of the storage room is Even in the closed state, the food stored in the low temperature storage room 102 can be visually recognized.

  However, if a synthetic resin plate is used for the transparent plate of the door in the above-described conventional door configuration, the entire door may be curved due to the difference between the expansion and contraction of the transparent plate and the door frame during long term use. There was a case to deform in the form.

  Therefore, in the case of using a conventional synthetic resin transparent plate, there is a problem that the width dimension of the door 105 is limited, and as a result, the low temperature storage room 102 can not be widened.

  In particular, the low temperature storage room is likely to be humidified because it is stored as it is without packaging food such as meat and fish, and the form of using an acrylic resin transparent plate with high transparency to increase internal visibility In such cases, the acrylic resin absorbs moisture and tends to expand and contract, so the door width must be narrow, making it impossible to create a low-temperature storage room with a wide width, It tends to be a narrow cold storage room 102.

  This invention is made in view of such a point, and it aims at provision of the refrigerator which can make a low temperature storage room a wide thing, maintaining visibility.

  In the present invention, in order to achieve the above object, the door frame holding the transparent plate is configured such that the transparent plate can freely expand and contract with respect to the door frame at least on one longitudinal end side of the transparent plate.

As a result, even if there is an expansion / contraction difference between the transparent plate and the door frame, the transparent plate is freely expanded / contracted in a portion that can be freely expanded / contracted in the longitudinal direction of the door frame, so the entire door is curved. There will be no deformation or the like. Therefore, even if the transparent plate is made of resin, the width dimension of the door can be made long, and accordingly, it becomes possible to provide a low temperature storage room having a wide width.

  According to the present invention, with the above configuration, the low temperature storage room can be made wide by making the width dimension of the door large while maintaining the visibility, and a convenient refrigerator can be obtained.

Front view of a refrigerator according to Embodiment 1 of the present invention The front view when the door of the refrigerator in the Embodiment 1 is opened Longitudinal section of the refrigerator in the same embodiment 1 Cross-sectional view of a low-temperature storage room provided in the lower part of the refrigerator compartment of the refrigerator according to the first embodiment The perspective view which shows the low temperature storage room of the refrigerator in the Embodiment 1. Front view showing a low temperature storage room of a refrigerator in the first embodiment The perspective view which shows the door of the cold storage room of the refrigerator in the Embodiment 1 7. AA sectional drawing of FIG. 7 which shows the door of the low temperature storage room of the refrigerator in the Embodiment 1. FIG. A cross sectional view showing a door of a low temperature storage room of a refrigerator in the same embodiment 1 The perspective view which shows the door of the low temperature storage room container of the refrigerator in the Embodiment 1. The disassembled perspective view which shows the door of the low-temperature storage room of the refrigerator in the Embodiment 1 Front view showing a door of a low temperature storage room of a refrigerator in the first embodiment Sectional view showing a low temperature storage room portion of a conventional refrigerator

  The first invention comprises a refrigerator body, a refrigerator compartment provided in the refrigerator body, a storage compartment partitioned in the lower part of the refrigerator compartment, and a door for opening and closing the storage compartment, and the door is a door frame A transparent plate made of resin is fitted in, and the door frame is configured such that the transparent plate can freely expand and contract with respect to the door frame at least on one longitudinal end side of the transparent plate.

  Thereby, even if there is an expansion / contraction difference between the transparent plate and the door frame, the transparent plate can be freely expanded and contracted with respect to the door frame, so that the entire door is not curved and deformed. Therefore, even if the transparent plate is made of resin, the width dimension of the door can be made long, and accordingly, it becomes possible to provide a low temperature storage room having a wide width.

  In a second invention according to the first invention, the door frame includes an annular rib into which the outer peripheral end face of the transparent plate is fitted, and a rib portion of a portion of the annular rib facing a side in the longitudinal direction of the transparent plate The transparent plate can be freely expanded and contracted with respect to the door frame.

  Thus, at least the outer peripheral upper and lower end surfaces of the transparent plate are held by the annular rib, so that the transparent plate can be securely fixed and held, and the transparent plate can be prevented from coming off with certainty, and the rib portion is cut out. The expansion and contraction freedom of the transparent plate can be secured with a simple configuration, and a wide storage room without door deformation etc. can be provided.

  In a third invention according to the second invention, one side of the door frame from which the rib portion is cut is outside the end face of the transparent plate by a width substantially equal to the thickness dimension of the annular rib surrounding the other end side of the transparent plate. It is as composition which made it project.

Thus, when the transparent plate is viewed from the front, it looks like an annular rib surrounding the outer peripheral end face of the transparent plate is also present on the outer periphery of the side from which the rib portion of the transparent plate is cut. It can be a good appearance.

  According to a fourth invention, in the second or third invention, the annular rib has a height lower than a thickness of the transparent plate.

  Thereby, the outer peripheral surface of the transparent plate becomes a flat surface of only the transparent plate, and the appearance can be finished with a refreshing feeling. Moreover, wiping and cleaning become easy, and at the same time, the problem that arises when the outer peripheral surface of the transparent plate is covered with the annular rib, that is, dust, dirt, etc. adhere to the interface between the transparent plate surface and the annular rib covering it. There is no need for the line to stand out, and you can always look good.

  According to a fifth invention, in the first to fourth inventions, the outer peripheral portion of the transparent plate is adhered to the door frame with a double-sided tape, and the outer peripheral portion of the transparent plate facing the double-sided tape is subjected to a printing process. As a configuration.

  As a result, the transparent plate can be reliably fixed to the door frame even when the transparent plate is made of heavy material with high thickness and thick feeling, and the tape is also made invisible by the printing process. It is possible to achieve high quality and at the same time improve reliability and appearance.

  In a sixth invention according to the fifth invention, the double-sided tape comprises a horizontal tape portion disposed along the upper and lower sides of the transparent plate and a vertical tape portion disposed along the left and right sides of the transparent plate, Further, the short side surface of the vertical tape portion is disposed to abut on the long side surface of the horizontal tape portion.

  As a result, even if water or the like gets on the end face of the door when food is put in and out of the storage room, the double-sided adhesive tape will be positioned seamlessly over the entire length of the door top, so that water can reliably enter the bonded area. Thus, the transparent plate can be securely held for a long period of time to further improve the reliability.

  According to a seventh invention, in the first to sixth inventions, the storage room is formed to have an area sufficient for leaving a water supply tank installation room for ice making on one widthwise side end side of the cold storage room.

  As a result, the capacity of the storage room is dramatically improved, and if the storage room is a low temperature storage room, a large amount of meat and fish stored at low temperatures can be stored, usability improves, and even a wide storage room The door can be free from deformation due to expansion and contraction, and can be a refrigerator with high usability and design.

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

Embodiment 1
1 to 12 show a first embodiment of the present invention. First, the configuration of the whole refrigerator will be described.

  1 to 3, the refrigerator according to the present embodiment includes the refrigerator main body 1 having an open front, and the refrigerator main body 1 mainly includes an outer case 2 using a steel plate as shown in FIG. 3, and an ABS And the like, and a foam heat insulating material 4 such as hard foam urethane filled between the outer case 2 and the inner case 3.

  The refrigerator body 1 is divided into a plurality of storage rooms by partition plates 5, 6 and 6a, and the uppermost part of the refrigerator body 1 is arranged in parallel with the refrigerator room 7 and the switching room 8a below the refrigerator room 7 in the switching room 8a. The lower part of the ice making room 8b is the freezing room 9, and the lower part is the vegetable room 10. The front openings of the storage chambers are closed by doors 11a, 11b, 11c, 11d and 11e so as to be openable and closable.

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

  A cooling chamber 16 for generating cold air and a cold air passage 17 for supplying and circulating cold air from the cooling chamber 16 to the refrigerating chamber 7, the freezing chamber 9, the vegetable chamber 10, etc. are provided on the back of the refrigerator body 1. .

  A cooler 19 is disposed in the cooling chamber 16, and a cooling fan 20 is disposed above the cooler 19. The cooling fan 20 cools each room by forcibly circulating the cold air cooled by the cooler 19 through the cold air passage 17 to the refrigerating room 7, the freezing room 9, the vegetable room 10 and the like.

  For example, the refrigerator compartment 7 is cooled to a temperature not causing freezing of the food, usually to 1 ° C. to 5 ° C., and the vegetable compartment 10 is cooled to a temperature equal to or slightly higher than the refrigerator compartment 7 to 2 ° C. to 7 ° C. In addition, the freezing room 9 is usually cooled to a freezing temperature range of -22 ° C to -15 ° C for freezing storage, and in some cases, for example, a low temperature of -30 ° C or -25 ° C to improve the freezing storage condition May be cooled.

  A plurality of shelf boards 21 for placing food are provided in the refrigerator compartment 7 to be cooled by the cold air from the cooling compartment 16, and a lighting device (not shown) is provided at the front of the side wall. When the door 11a is opened, it lights up to irradiate the inside of the refrigerator compartment 7.

  In the lower part of the cold storage room 7, a low temperature storage room 23 which can be switched to a chilled room cooled to a temperature zone of about 1 ° C. or a partial room cooled to a slight freezing temperature zone of about -3 ° C. Yes. The low temperature storage chamber 23 is not switchable to a chilled chamber or a partial chamber, and may be specially designed as a chilled chamber or a partial chamber.

  The low temperature storage room 23 is also used as a shelf board member 24 and a side water supply tank room 22 (see FIG. 2), which also uses the upper surface of the low temperature storage room 23 as a shelf board located in the lowermost stage of the refrigerator compartment 7 as shown in FIGS. The container 25 is partitioned by a partition plate 22a, and the container 25 which can be drawn out is provided in the inside, and the front thereof is rotated around the front end of the shelf plate member 24 by the drawer of the container 25. It is closed by the door 26 which opens.

  As shown in FIG. 4, the shelf board member 24 of the low temperature storage room 23 is an upper plate 28 made of a glass plate or the like mounted on a shelf member 27 made of synthetic resin, and a lower frame plate 29 made of synthetic resin; It is comprised from the heat insulating materials 30, such as a polystyrene foam provided among them.

  And the cold air duct part 32 which has many outlets 31 opened to the lower frame plate 29 is formed in the said heat insulating material 30, By setting in the refrigerator compartment 7, the said cold air duct part 32 is the refrigerator main body 1 Cold air is supplied to the cold air passage 17 on the back side to supply cold air, and the cold air cools the inside of the low temperature storage chamber 23 by the cold air.

  Further, the low temperature storage chamber 23 has a recess 34 formed on the lower surface of the shelf plate member 24 and is provided with a lighting device 35 formed of an LED or the like so as to irradiate the inside of the container 25 set in the low temperature storage chamber 23. Yes.

  Next, the structure of the door 26 which opens and closes the opening of the said low-temperature storage chamber 23 is demonstrated using FIGS. 7-12.

  As shown in FIG. 11, the door 26 is composed of a synthetic resin door frame 36 formed in a substantially square shape, and a synthetic resin transparent plate 38 fixed to the door frame 36 with a double-sided tape 37. is there. In the present embodiment, for example, the door frame 36 is formed of an ABS resin, and the transparent plate 38 is formed of an acrylic resin having high transparency.

  As shown in FIGS. 8, 9 and 12, the door frame 36 is integrally formed with an annular rib 39 projecting forward as shown in FIGS. 8, 9 and 12. A transparent plate 38 is fitted in the annular rib 39. Adhesively fixed.

  The annular rib 39 is cut away at one end side in the longitudinal direction of the transparent plate 38 in this embodiment, in this example, on the left side of FIGS. 9 and 12, and the transparent plate 38 is free to the door frame 36. It is configured to be extensible.

  Furthermore, one side 36a of the door frame 36 on the side from which the annular rib 39 is cut out protrudes outward from the end face of the transparent plate 38 by a width dimension substantially equal to the thickness dimension T of the annular rib 39 surrounding the other end side of the transparent plate 38 It is done.

  Further, as shown in FIG. 9, the height of the annular rib 39 is made lower than the thickness of the transparent plate 38 so as not to project forward from the surface of the transparent plate 38.

  Further, as shown by the broken line in FIG. 12, the double-sided tape 37 for adhesively fixing the transparent plate 38 to the door frame 36 is a horizontal tape portion 37a disposed along the upper and lower sides of the transparent plate 38 and the left and right sides of the transparent plate 38. And a vertical tape portion 37b disposed along the side, and the short side surface of the vertical tape portion 37b is attached to abut against the long side surface of the horizontal tape portion 37a.

  A band-shaped colored layer 40 having a width substantially equal to that of the double-sided tape 37 is printed on the outer peripheral portion of the front surface of the transparent plate 38 facing the double-sided tape 37.

  Further, as shown in FIG. 10, hook-like pivoting portions 41 pivotally supported at the front end of the shelf plate member 24 at both end sides of the door frame 36, and when the container 25 is put in and out A contact piece 42 is provided which contacts the opening edge 25a (see FIG. 4) of the container to open and close the door 26.

  Next, the functions and effects of the refrigerator configured as described above will be described.

  First, in the low temperature storage room of the refrigerator, cold air supplied from the cold air passage 17 of the refrigerator main body 1 is supplied via the cold air duct portion 32 and the outlet 31 provided on the shelf board member 24. Food materials such as meat and fish stored in the container 25 are cooled and stored at a predetermined temperature. For example, if the low temperature storage room is a chilled room, it is stored cold at about 1 ° C, and if it is a partial room, it is stored cold at a freezing temperature of about -3 ° C.

Here, if the food stored inside is the meat or fish, the low-temperature storage room 23 becomes humid due to the moisture transpiration from this butcher or fish, and is used as a chilled room or a partial room Temperature differences may occur between when and when not.

  As a result, the transparent plate 38 and the door frame 36 of the door 26 closing the low temperature storage chamber 23 expand and contract, but there is a difference in the expansion and contraction of both, and the expansion and contraction of the transparent plate 38 is larger than the door frame 36 Often.

  In particular, when the transparent plate 38 is formed of a synthetic resin having high transparency and good visibility, such as an acrylic resin, as in the present embodiment, the acrylic resin has a high water absorption and expands and shrinks more than the door frame 36. .

  In such a case, the door 26 of this embodiment cuts out the rib portion of the portion of the annular rib 39 into which the outer peripheral end face of the transparent plate 38 is fitted, the portion facing the side in the longitudinal direction of the transparent plate 38 Since the transparent plate 38 is configured to be able to expand and contract freely with respect to the door frame 36, the transparent plate 38 is free from the door frame 36 even if there is a difference in expansion / contraction difference between the transparent plate 38 and the door frame 36. Expansion and contraction, and the entire door is not bent and deformed.

  Therefore, even if the transparent plate 38 is made of resin, particularly acrylic resin, to increase the visibility, the width dimension of the door 26 can be made long, and accordingly, the low temperature storage chamber 23 having a wide width can be provided. It becomes possible.

  Further, in this embodiment, in order to allow the transparent plate 38 to freely expand and contract with respect to the door frame 36, one of the annular ribs 39 into which the outer peripheral end face of the transparent plate 38 is fitted Since only the rib part of the part opposite to a side is cut off, it can provide easily. In addition, since the upper and lower end surfaces of the transparent plate 38 are held by the upper and lower portions of the annular rib 39 in the portion where the rib portion is not cut out, the transparent plate 38 can be securely fixed and held, and the transparent plate falling-off prevention is reliably guaranteed. be able to.

  For example, as a configuration in which the transparent plate 38 can freely expand and contract with the door frame 36, the transparent plate may simply be adhered to the front surface of the door frame, but in such a case, if the adhesive strength is deteriorated due to aging. It may happen that the transparent plate falls off the door frame. However, such a thing can be prevented if it is the structure shown by this embodiment.

  In addition, as a configuration in which the transparent plate 38 can freely expand and contract with respect to the door frame 36, the longitudinal direction of the transparent plate 38 is formed while leaving a part of the annular rib 39 not entirely cut off. The gap between the end face of the transparent plate and the inner surface of the annular rib may be set large, but in such a case, dust, dirt and the like adhere to the gap and become unhygienic. However, if it is the structure shown by this embodiment, such a thing can also be prevented and foodstuff preservation can be implement | achieved hygienically.

  In this embodiment, one side of the door 26 from which the rib portion of the door frame 36 has been cut has a width substantially equal to that of the annular rib 39 surrounding the other end of the transparent plate 38. Since it is made to project outside from the end face of the above, the sense of incongruity in appearance can be prevented. That is, according to the above configuration, when the transparent plate 38 is viewed from the front, an annular rib 39 surrounding the outer peripheral end face of the transparent plate 38 is also present on the outer periphery of the side from which the rib portion of the transparent plate 38 is cut. The appearance can be well-balanced, in which the left and right are in harmony, and the sense of discomfort can be eliminated.

Furthermore, since the annular rib 39 is configured to have its height lower than the thickness of the transparent plate 38, the outer peripheral surface of the transparent plate 38 is a flat surface of only the transparent plate 38, and it may be finished to have a refreshing appearance. it can. Moreover, cleaning becomes easy. In addition, although it is conceivable that the annular rib 39 has a substantially L-shaped cross section so as to cover the outer peripheral surface of the transparent plate 38 with the annular rib, the problem occurring in such a case, that is, the surface of the transparent plate 38 A dust and dirt etc. adhere and accumulate on a boundary surface with the annular rib 39 to cover, and this does not stand out linearly, and it can be set as a door of good-looking always.

  Further, since the transparent plate 38 of the door 26 is adhered and fixed to the door frame 36 not only by the annular rib 39 but also by the double-sided tape 37, the transparent plate 38 can be firmly fixed to the door frame 36 . Therefore, the transparent plate 38 can be formed of a high quality plate having a thick and heavy feeling to enhance the quality, and the transparent plate 38 is surely transparent even when such a thick plate becomes heavy. The plate 38 can be fixedly held to the door frame 36.

  And since the printing process of colored layer 40 grade | etc., Is performed to the outer peripheral part of the transparent plate 38 which opposes the said double-sided tape 37, the double-sided tape 37 can not be seen from the outside, and it can be good in appearance. .

  In the double-sided tape 37, the horizontal tape portion 37a disposed along the upper and lower sides of the transparent plate 38 is attached across the entire width to cover the upper edge of the vertical tape portion 37b on the left and right sides of the transparent plate 38. Being shaped, the adhesive fixation of the transparent plate 38 can be ensured over a long period of time. That is, when food is put in and out of the low temperature storage room 23, water etc. may splash on the end face of the door, but the upper end face of the door which is particularly susceptible to water is continuous with the horizontal tape portion 37a of the double-sided tape 37 over its entire length Being positioned, it is possible to reliably prevent the entry of water into the bonded portion, and to securely hold the transparent plate over a long period of time, thereby improving the reliability.

  Further, in the refrigerator of this embodiment, since the low temperature storage room 23 leaves the water supply tank installation room 22 for ice making at one side end side of the cold storage room 7, the low temperature storage room 23 Storage room capacity can be dramatically improved. Therefore, it is possible to store a large amount of meat, fish and the like to be stored at low temperature in the low temperature storage room 23. In other words, it is possible to store a large amount of food such as meat and fish suitable for the recent diet, and it becomes a convenient refrigerator.

  As mentioned above, although the refrigerator concerning the present invention was explained using the above-mentioned embodiment, the present invention is not limited to this, It can change variously within the limits which attain the object of the present invention. Needless to say.

  For example, although the storage room provided with the door 26 in the above embodiment has been described in the case of a low temperature storage room such as a chilled room or a partial room which supplies cold air exclusively for the storage room, A storage room without a cold air supply mechanism, for example, a storage room provided in a cold storage room and maintained at substantially the same temperature as the cold storage room may be used.

  In addition, although the transparent plate is configured to be freely expandable and contractible with respect to the door frame 36 at one end side in the longitudinal direction of the transparent plate 38, in this embodiment, the rib portion of the portion is cut away. The ribs may be cut off at both longitudinal end sides of the plate 38, or a gap may be provided between the ribs and the end face of the transparent plate, leaving the ribs intact. It may be configured.

  Thus, it should be understood that the embodiment disclosed herein is illustrative and non-restrictive in every respect. That is, the scope of the present invention is indicated not by the above description but by the scope of claims, and is intended to include all modifications within the scope and meaning equivalent to the scope of claims.

  The present invention increases the width dimension while maintaining the visibility of the door, and also suppresses deformation due to expansion and contraction, so that the low temperature storage room can be made wide in width, and the refrigerator is easy to use. it can. Therefore, it can be widely applied to many applications such as household refrigerators and showcases as well as home use.

1 refrigerator body 2 outer box 3 inner box (box inside refrigerator body)
4 foam insulation 5, 6 partition plate 7 cold storage room 8 vegetable room 9 freezer room 10, 11, 12 doors 14 machine room 15 compressor 16 cooling room 17 cold air passage 18 back wall body 19 cooler 20 cooling fan 21 shelf board 22 Water supply tank installation room 23 Low temperature storage room (storage room)
24 shelf plate member 25 container 26 door 27 shelf frame member 28 upper plate 29 lower frame plate 30 heat insulating material 31 outlet 32 cold air duct portion 34 recessed portion 35 lighting device 36 door frame 37 double-sided tape 38 transparent plate 39 annular rib 40 colored layer 41 Shaft support 42 Contact piece

Claims (7)

A refrigerator body, a refrigerator compartment provided in the refrigerator body, a storage compartment defined in the lower part of the refrigerator compartment, and a door for opening and closing the storage compartment, the door having a transparent plate made of synthetic resin on the door frame A refrigerator having a structure in which the door frame is configured so that the transparent plate can freely expand and contract with respect to the door frame at least on one longitudinal side of the transparent plate. The door frame is provided with an annular rib into which the outer peripheral end face of the transparent plate is fitted, and the rib portion of a portion of the annular rib opposed to the side in the longitudinal direction of the transparent plate is cut out so that the transparent plate is free to the door frame The refrigerator according to claim 1, wherein the refrigerator is configured to be stretchable. 3. The door frame according to claim 2, wherein one side of the door frame from which the rib portion is cut out has a width substantially equal to the thickness dimension of the annular rib surrounding the other end side of the transparent plate. refrigerator. The refrigerator according to any one of claims 2 or 3, wherein the annular rib has a height lower than the thickness of the transparent plate. The refrigerator according to any one of claims 1 to 4, wherein the transparent plate has its outer peripheral edge adhered to the door frame by a double-sided tape and the outer peripheral portion of the transparent plate facing the double-sided tape is subjected to printing processing. The double-sided tape comprises a horizontal tape portion disposed along the upper and lower sides of the transparent plate and a vertical tape portion disposed along the left and right sides of the transparent plate, and a vertical tape on the long side of the horizontal tape portion. The refrigerator according to claim 5, wherein the short side surface of the part is arranged to abut. The refrigerator according to any one of claims 1 to 6, wherein the storage room is formed to have a size sufficient to leave a water supply tank installation room for ice making on one widthwise side end side of the cold storage room.