JP2017187232A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator which achieves weight reduction of a shelf to improve convenience and maintainability of the shelf when a user uses a storage room, reduces temperature unevenness in the storage room, and achieves improvement of cleaning ability.SOLUTION: A refrigerator 1 has a refrigeration room 2 which is a storage room which can be cooled to a refrigeration temperature zone. Shelf receiving parts 29 in which shelves 20, 21 are installed are disposed on an inner wall of the refrigeration room 2. Each shelf 20, 21 has: plate glass 31 having multiple holes 30 for passing cold air C in the refrigeration room 2; and a resin frame part 32 formed at a periphery of the plate glass 31.SELECTED DRAWING: Figure 2

Description

  Embodiments of the present invention relate to a refrigerator.

  A conventional refrigerator has a plurality of storage rooms that can be frozen and a plurality of storage rooms that can be refrigerated, and the storage rooms are made of a heat insulating material for heat insulation from the outside. In the storage room, a shelf for compartment is assembled in the storage room, and this shelf is made by insert-molding glass with good visibility with resin as disclosed in Patent Document 1. .

Japanese Patent No. 4590258

  However, since the refrigerator shelf disclosed in Patent Document 1 is formed by insert molding glass with resin, the shelf itself is heavy, and it is difficult for a powerless user to handle such as moving the shelf. It was.

  In addition, since the refrigerated space of the storage room is shielded by the shelf, it is difficult for the air in the storage room to flow, and temperature unevenness is likely to occur in the storage area of each stage, which adversely affects the cooling performance in the storage room. Was given.

  Furthermore, since the resin is formed in a convex shape at the edge of the shelf, draining after washing is not good at the time of cleaning, and it takes time to dry the shelf, so that the cleaning property cannot be improved.

  The present invention has been made in view of the above, and the object of the present invention is to reduce the weight of the shelf, thereby improving the convenience and maintainability of the shelf when the user uses the storage room, An object of the present invention is to provide a refrigerator capable of reducing temperature unevenness in a storage chamber and improving cleanability.

  A refrigerator according to an embodiment of the present invention has a storage room that can be cooled in a refrigeration temperature zone, and a shelf receiving portion for installing a shelf is disposed on the inner wall of the storage room, and the shelf is located in the storage room. It has the plate glass which has a some hole for letting cold air pass, and the resin-made frame part formed in the circumference | surroundings of the said plate glass.

It is a perspective view showing the whole refrigerator concerning a 1st embodiment of the present invention. It is a figure which shows the example of the shelf arrange | positioned at the refrigerator compartment of the refrigerator shown in FIG. It is a figure which shows the cross-sectional example of the hole of the plate glass shown in FIG. It is sectional drawing which shows 2nd Embodiment of this invention. FIG. 5A shows a third embodiment of the present invention, FIG. 5A is a plan view of the shelf shown in FIG. 1, and FIG. 5B is an NN line of the shelf shown in FIG. FIG. 5C is a front view of the shelf shown in FIG. It is a figure which shows the cross-sectional shape example of the hole of the plate glass shown to FIG. 5 (A) and FIG. 5 (B). The 4th Embodiment of this invention is shown and it is a top view of a shelf. It is sectional drawing in the DD line of the shelf of FIG. It is a top view which shows 4th Embodiment of this invention.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described with reference to the drawings.

<First Embodiment>
FIG. 1 is a perspective view showing the entire refrigerator according to the first embodiment of the present invention, and shows a state in which a door of a refrigerator compartment is open.

  The refrigerator 1 shown in FIG. 1 has a main body 1A. A main body 1A of the refrigerator 1 has an outer box made of an outer side plate and an inner box made of an inner side plate, and a heat insulating cabinet in which a heat insulating material is arranged between the outer box and the inner box. It is configured. A plurality of storage chambers are formed in the main body 1A.

  As shown in FIGS. 1 and 2, the plurality of storage rooms are provided with a refrigeration room 2 and a vegetable room 3 as refrigeration compartments that can be cooled in the refrigeration temperature zone in order from the top. An ice making chamber 4 and an upper freezing chamber 5 as a freezing compartment that can be cooled to a freezing temperature zone are provided side by side, and a lower freezing chamber 6 as a freezing compartment is provided at the bottom.

  As shown in FIG. 1, a door 7 that opens and closes a front opening of the refrigerator compartment 2 is provided on the front face of the refrigerator compartment 2. An end portion of the door 7 is rotatably attached to the main body 1A by a hinge (not shown).

  Drawer-type doors 8, 9, 10, 11 that open and close the front opening portions are provided on the front surfaces of the vegetable room 3, the ice making room 4, the upper freezer room 5, and the lower freezer room 6.

  As shown in FIG. 1, for example, an upper shelf 20, a middle shelf 20, and a lower shelf 21 are installed in the refrigerator compartment 2 so as to be able to be taken in and out. The upper shelf 20 and the middle shelf 20 are the same shape, but the shape of the lower shelf 21 is different from the shapes of the upper and middle shelves 20, 20. The shelf 21 includes a front divided shelf portion 22 and a rear divided shelf portion 23.

  The left and right ends of the upper shelf 20, the left and right ends of the middle shelf 20, and the left and right ends of the lower shelf 21 shown in FIG. is recieving. The user can attach or remove the upper shelf 20, the middle shelf 20, and the lower shelf 21 in the refrigerator compartment 2 by sliding along the front-rear direction X.

  Next, with reference to FIG. 2, the structural example of the shelf 20 arrange | positioned in the refrigerator compartment 2 of the refrigerator 1 shown in FIG. 1 is demonstrated.

  2A is a plan view of the shelf 20, FIG. 2B is a cross-sectional view taken along line MM of the shelf 20 shown in FIG. 2A, and FIG. It is a front view of the shelf 20 shown to 2 (A).

  As shown in FIG. 2, the shelf 20 includes a rectangular plate glass 31 having a plurality of holes 30 and a resin frame portion 32 formed on the entire periphery of the plate glass 31. The plate glass 31 is transparent or translucent glass, and preferably tempered glass, but is not particularly limited.

  Thereby, even if one or a plurality of shelves 20 are arranged in the refrigerator compartment 2, the plate glass 31 itself of the shelf 20 transmits illumination light, so that the interior of the refrigerator compartment 2 is not darkened. When the plate glass 31 is made of tempered glass, the tempered glass is made by baking or chemical treatment.

  If a metal plate is used as a shelf in place of the glass plate 31, the metal plate does not transmit illumination light, and the inside of the refrigerator compartment 2 in which the metal shelf is disposed becomes dark. Even if a hole is formed in a metal plate, the inside of the refrigerator compartment 2 in which shelves are arranged is darkened.

  As shown in FIG. 2A, the resin frame 32 is formed on the entire periphery of the four sides of the plate glass 31, and the resin frame 32 protects the entire periphery of the four sides of the plate glass 31. doing. The resin frame portion 32 is preferably formed by performing resin insert molding on the plate glass 31.

  As a material of the resin frame portion 32, for example, polycarbonate or the like can be used, but the material is not particularly limited. The frame portion 32 has portions 32A, 32B, 32C, and 32D that cover the entire peripheral portions of the four sides of the plate glass 31, and the frame portion 32 has a protruding portion 32E as shown in FIG.

  As shown in FIGS. 2A and 2B, the plurality of holes 30 are through-holes having a circular cross section formed along the vertical direction Z in the plate glass 31. The plurality of holes 30 are provided for passing cold air blown into the refrigerator compartment 2 from above from the upper region of the shelf 20 to the lower region of the shelf 20. For example, 21 holes 30 are formed in a matrix along the front-rear direction X and the left-right direction Y at the same interval in the plane of the plate glass 31.

  FIG. 3 shows an example of a cross-sectional shape of the hole 30 of the plate glass 31 shown in FIG.

  As shown in FIG. 3, the hole 30 is formed in a circular cross section along the vertical direction Z, that is, along the direction perpendicular to the plane 31P of the glass sheet 31, and the axis S of the hole 30 is the vertical direction. Along Z. Thereby, the cold air C in the refrigerator compartment 2 can be guided from the upper region of the plate glass 31 through the holes 30 to the lower region of the plate glass 31 as indicated by arrows.

  Moreover, in consideration of the use of the plate glass 31, the corner portion 30H of the inlet portion forming the hole 30 and the corner portion 30G of the outlet portion are chamfered.

  As described above, the plate glass 31 is provided with the plurality of holes 30 at the same interval, so that the cold air C generated by the refrigerator for the refrigerator compartment / vegetable compartment arranged at the back position of the main body 1A. Is blown into the refrigerating chamber 2 from above the refrigerating chamber 2 through the air duct by rotating the refrigerating cold air circulation fan.

  The cold air C blown into the refrigerator compartment 2 from above the refrigerator compartment 2 passes through the holes 30 from the upper region of the plate glass 31 through the holes 30 of the plate glass 31 of the shelf 20 shown in FIGS. Thus, it can be guided to the lower region of the plate glass 31.

  Thereby, as shown in FIG. 1, even if one or more shelves 20 are arranged in the refrigerator compartment 2, the flow and circulation of the cold air C can be improved in the refrigerator compartment 2. For this reason, it is possible to reduce the temperature unevenness in the refrigerator compartment 2, and the flow of the cool air C between the spaces of the refrigerator compartment 2 partitioned by the plurality of shelves 20, 21 is facilitated through the plurality of holes 30. .

  Further, even if the plate glass 31 having a relatively heavy weight as compared with the resin plate is used, the weight of the shelf 20 can be reduced by forming a plurality of holes 30 in the plate glass 31. For this reason, even if it is a weak user, the operation | work which attaches or removes the shelf 20 in the refrigerator compartment 2 becomes easy.

  Furthermore, even if the resin-made frame portion 32 is formed in a convex shape in all the peripheral portions of the four sides of the plate glass 31, the plate glass 31 has a plurality of holes 30, so that the shelf 20 is cleaned. Even if the shelf 20 is sometimes washed with water, the water flows out from the flat surface 31 </ b> P of the plate glass 31 to the lower side of the plate glass 31 through the plurality of holes 30. For this reason, it becomes easy to drain water when cleaning the shelf 20, and the drying time of the shelf 20 can be shortened, so that maintainability is good.

Second Embodiment
Next, a second embodiment of the present invention will be described with reference to FIG.

  FIG. 4 is a cross-sectional view showing a second embodiment of the present invention.

  The holes 30 of the first embodiment shown in FIG. 3 are formed in a circular cross section along the vertical direction Z, that is, along the direction perpendicular to the flat surface 31P of the plate glass 31.

  On the other hand, in the plate glass 31 according to the second embodiment shown in FIG. 4, the plurality of holes 30 is different from the plane 31 </ b> P of the plate glass 31 that is formed obliquely at a predetermined angle θ. The holes 30 are formed obliquely so that the cold air C can be sent obliquely downward through the holes 30 in the forward direction X1 in the refrigerator compartment 2 shown in FIG.

  Moreover, in consideration of the use of the plate glass 31, the corner portion 30H of the inlet portion forming the hole 30 and the corner portion 30G of the outlet portion are chamfered.

  The cold air generated by the refrigerator for the refrigerating room / vegetable room disposed at the back position of the main body 1A in FIG. 1 is rotated from the upper side of the refrigerating room 2 through the air duct by rotating the refrigerating air circulation fan. It is blown out inside. The cold air C blown into the refrigerator compartment 2 from above the refrigerator compartment 2 passes through each hole 30 from the upper region of the sheet glass 31 through each hole 30 formed obliquely in the sheet glass 31 of the shelf 20 shown in FIG. It can be led to the lower region of the glass sheet 31 in the forward direction X1 in the refrigerator compartment 2 shown in FIG.

  Thereby, even if one or more shelves 20 are arranged in the refrigerator compartment 2, the flow and circulation of the cold air C can be further improved in the refrigerator compartment 2. For this reason, it is possible to reduce the temperature unevenness in the refrigerator compartment 2, and the flow of the cold air C between the spaces in the refrigerator compartment 2 partitioned by the plurality of shelves 20, 21 is further facilitated through the plurality of holes 30. Become.

  Moreover, even if the plate glass 31 with a comparatively heavy weight is used, the weight of the shelf 20 can be reduced by forming the plurality of holes 30 in the plate glass 31. For this reason, even if it is a weak user, the operation | work which attaches or removes the shelf 20 in the refrigerator compartment 2 becomes easy.

  Further, even though the resin frame portion 32 is formed in a convex shape around the four sides of the plate glass 31, the plurality of holes 30 are formed in the plate glass 31. Even if 20 is washed with water, the water flows out from the flat surface 31 </ b> P of the plate glass 31 through the plurality of holes 30. For this reason, it becomes easy to drain water when cleaning the shelf 20, and the drying time of the shelf 20 can be shortened, so that maintainability is good.

<Third Embodiment>
Next, a third embodiment of the present invention will be described with reference to FIGS.

  5 and 6 show a third embodiment of the present invention. 5A is a plan view of the shelf 20 shown in FIG. 1, and FIG. 5B is a cross-sectional view of the shelf 20 shown in FIG. ) Is a front view of the shelf 20 shown in FIG.

  When the components of the shelf 20 shown in FIG. 5 are substantially the same as the components of the shelf 20 shown in FIG. 2, the same reference numerals are given and description thereof is omitted.

  The shelf 20 shown in FIG. 5 includes a plate glass 31 having a plurality of holes 130 and a resin frame portion 32 formed around the plate glass 31.

  As shown in FIG. 5A, the resin frame 32 is formed on the entire periphery of the four sides of the plate glass 31, and the resin frame 32 protects the entire periphery of the four sides of the plate glass 31. doing.

  As shown in FIGS. 5A and 5B, the plurality of holes 130 are through holes formed along the vertical direction Z in the plate glass 31 and are formed long along the front-rear direction X. It is a long hole. The plurality of holes 130 are provided for passing the cool air in the refrigerator compartment 2 from the upper region to the lower region. For example, seven holes 130 are formed at the same interval in the left-right direction Y in the plane of the plate glass 31.

  FIG. 6 shows an example of a cross-sectional shape of the hole 130 of the plate glass 31 shown in FIGS. 5 (A) and 5 (B).

  In FIG. 6, the cross-sectional example of the hole 130 (it shows by 130S, 130S) formed in the left end part and the right end part in the some hole 130 of the plate glass 31 shown to FIG. 5 (A) and FIG. 5 (B). Show. As shown in FIG. 6, in the plate glass 31 of the third embodiment, the left and right holes 130 </ b> S and 130 </ b> S are formed obliquely at a predetermined angle θ with respect to the plane 31 </ b> P of the plate glass 31. However, the inclination directions of these holes 130 </ b> S and 130 </ b> S are opposite to each other when viewed from the center line of the plate glass 31. The holes 130 </ b> S and 130 </ b> S at the left and right positions can send cold air C through the holes 130 </ b> S and 130 </ b> S in the left and right directions Y <b> 1 and Y <b> 2 in the refrigerator compartment 2 shown in FIG.

  Cold air C generated by the refrigerator for the refrigeration room / vegetable room disposed at the back side of the main body 1A is blown into the refrigeration room 2 through the air duct by rotating the refrigeration cold air circulation fan. The cold air C blown into the refrigerator compartment 2 passes through the holes 130 and 130S from the upper region of the plate glass 31 through the holes 130 and 130S formed obliquely in the plate glass 31 of the shelf 20 shown in FIG. Thus, it can be guided to the lower region of the plate glass 31.

  Thereby, even if one or more shelves 20 are arranged in the refrigerator compartment 2, the flow and circulation of the cold air C can be further improved in the refrigerator compartment 2. For this reason, it is possible to reduce the temperature unevenness in the refrigerator compartment 2, and the flow of the cool air C between the spaces of the refrigerator compartment 2 partitioned by the plurality of shelves 20, 21 is easy through the plurality of holes 130, 130S. become.

  As shown in FIG. 6, the two holes 130 </ b> S in total in the left and right positions are formed to be inclined, but not limited to this, for example, a total of four holes 130 </ b> S in the left and right positions are formed to be inclined. However, the number of holes is not limited.

  In FIG. 5 (A), the preferable position where each hole 130 (130S) is formed in the plate glass 31 is demonstrated. Although each hole 130 (130S) is formed along the front-back direction X, the formation length of the full length of each hole 130 (130S) is shown with the code | symbol A. In FIG. The distance between one end of each hole 130 (130S) and the portion 32A covered by the frame portion 32 is indicated by C, and between the other end of each hole 130 (130S) and the portion 32C covered by the frame portion 32. Is indicated by the symbol B.

As the relationship between the formation length A and the intervals B and C,
Formation length A> interval B + interval C
It is.

  If the numerical example of each hole 130 (130S) is given, the width | variety of each hole 130 (130S) will be 2 mm to 3 mm, for example, and the formation length A of full length will be 150 mm, for example. As the dimensions of the distances B and C, for example, even if the canned beer W having a diameter of 64 mm accommodated in 350 ml is placed on the plate glass 31, one end and the other end of each hole 130 (130S) are not hidden by the canned beer W The numerical value is adopted.

<Fourth embodiment>
Next, a fourth embodiment of the present invention will be described with reference to FIGS.

  7 and 8 show a fourth embodiment of the present invention. FIG. 7 is a plan view of the shelf 20, and FIG. 8 is a cross-sectional view of the shelf 20 in FIG.

  As shown in FIG. 7, when the components of the shelf 20 shown in FIG. 5 are substantially the same as the components of the shelf 20 shown in FIG. Is omitted.

  The shelf 20 shown in FIG. 7 includes a plate glass 31 having a plurality of holes 230 and a resin frame portion 32 formed around the plate glass 31.

  As shown in FIG. 7, the resin frame portion 32 is formed on the entire periphery of the four sides of the plate glass 31, and the resin frame portion 32 protects the entire periphery of the four sides of the plate glass 31. .

  As shown in FIGS. 7 and 8, a hole 230 is formed in the plate glass 31. The hole 230 is a through hole, and is a long hole that is formed long along the left-right direction Y as shown in FIG. The long hole 230 is along the portion 32A covered by the frame portion 32 and is disposed at a substantially central position in the left-right direction Y.

  As illustrated in FIG. 8, for example, the hole 230 has an inclined surface 231 and a vertical surface 232. The inclined surface 231 is formed to be inclined at an angle θ with respect to the flat surface 31P of the plate glass 31. In addition, a cold air guide member 240 is attached to the vertical surface 232 side. The cool air guide member 240 is made of, for example, resin, and is attached along the left-right direction Y as shown in FIG.

  As shown in FIG. 8, the cold air guide member 240 has a protrusion 241, a cold air guide inclined surface 242, and an inclined upper surface portion 243. The maximum height position of the protruding portion 241 is formed so as to protrude from the position of the flat surface 31 </ b> P of the plate glass 31 in order to smoothly guide the cold air C into the hole 230. The cold air guide inclined surface 242 is inclined at an angle θ so as to be parallel to the inclined surface 231 of the hole 230.

  Thereby, the cold air C sent into the refrigerator compartment 2 is guided into the hole 230 while being abutted against the protrusion 241 of the cold air guide member 240 shown in FIG. 8, and is formed obliquely on the plate glass 31 of the shelf 20. Passing between the inclined surface 231 of the hole 230 and the cold air guide inclined surface 242, it is possible to smoothly guide from the upper region of the plate glass 31 to the lower region of the plate glass 31.

  Thereby, even if one or a plurality of shelves 20, 21 are arranged in the refrigerator compartment 2, the flow and circulation of the cold air C can be further improved in the refrigerator compartment 2. For this reason, it is possible to reduce the temperature unevenness in the refrigerator compartment 2, and the flow of the cool air C between the spaces of the refrigerator compartment 2 partitioned by the plurality of shelves 20, 21 is facilitated through the holes 230.

  Further, the inclined upper surface portion 243 of the cool air guide member 240 is inclined so as to be lowered toward the front direction X1. For this reason, even if the cool air guide member 240 is provided on the shelf 20 when the user intends to place the stored item E on the shelf 20 in the rearward direction X2, the stored item E has the inclined upper surface. It can be easily placed and accommodated over the part 243.

  As shown in FIG. 7, in the plate glass 31, another hole 230 is disposed at a substantially central position in the left-right direction Y along the portion 32 </ b> C covered by the frame portion 32 at the opposite side position. A cold air guide member 240 may be provided along the surface. Thereby, the cold air C can be smoothly sent also to the back of the refrigerator compartment 2 using the hole 230 and the cold air guide member 240.

  In addition, you may form in the plate glass 31 of the shelf 20 of 4th Embodiment by adding the hole 30 shown in FIG. 2, and the hole 130 shown in FIG.

<Fifth Embodiment>
Next, a fifth embodiment of the present invention will be described with reference to FIG.

  FIG. 9 is a plan view showing a shape example of the lower shelf 21 arranged in the refrigerator compartment 2 of the refrigerator 1 of FIG.

  The shelf 21 is different from the shapes of the upper and middle shelves 20, 20. The shelf 21 includes a front divided shelf portion 22 and a rear divided shelf portion 23. The plate glass 31 of the front divided shelf portion 22 and the plate glass 31 of the rear divided shelf portion 23 each have one hole 230 and a cool air guide member 240 shown in FIG.

  Thereby, as shown in FIG. 1, even if a plurality of shelves 20, 21 are arranged in the refrigerator compartment 2, the flow and circulation of the cold air can be further improved in the refrigerator compartment 2. For this reason, it is possible to reduce the temperature unevenness in the refrigerator compartment 2, and the flow of cool air between the spaces of the refrigerator compartment 2 partitioned by the plurality of shelves 20, 21 is facilitated through the holes 230.

  In addition, the hole 30 shown in FIG. 2 and the hole 130 shown in FIG. 5 are additionally formed in the plate glass 31 of the front divided shelf portion 22 and the rear divided shelf portion 23 of the shelf 20 of the fifth embodiment. May be.

  As mentioned above, although embodiment of this invention was described, embodiment is shown as an example and is not intending limiting the range of invention. The novel embodiment can be implemented in various other modes, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  The structure of the refrigerator 1 shown in FIG. 1 is an example, and an arbitrary structure can be adopted. The refrigerating room 2 may be provided with a double door type left and right doors instead of a one side opening door.

1 Refrigerator 1A Body 2 Refrigerated room (storage room that can be cooled to refrigerated temperature zone)
20 Shelf 21 Shelf 29 Shelf receiving portion 30 Hole 31 Sheet glass 32 Frame portion 130 Hole 230 Hole 240 Cold air guide member C Cold air

Claims (6)

It has a storage room that can be cooled in a refrigerated temperature zone, and an inner wall of the storage room is provided with a shelf holder for installing a shelf,
The said shelf is a refrigerator which has the plate glass which has a some hole for letting the cool air in the said storage chamber pass, and the resin-made frame part formed in the circumference | surroundings of the said plate glass.   The refrigerator according to claim 1, wherein the resin frame portion is formed by performing resin insert molding on the plate glass.   The refrigerator according to claim 1, wherein the plurality of holes have a circular shape and are formed at intervals in the plate glass.   The refrigerator according to claim 1, wherein the plurality of holes are long holes and are formed along the front-rear direction of the glass sheet, and the holes are formed at intervals.   The refrigerator according to any one of claims 1 and 3 to 4, wherein the hole is formed to be inclined with respect to a planar direction of the plate glass in order to guide the cold air obliquely downward. The hole is a long hole, is formed along the left-right direction of the plate glass,
5. The refrigerator according to claim 1, further comprising a cold air guide member arranged along a length direction of the hole to guide the cold air from an upper side of the shelf to a lower side of the shelf.

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