TWI644068B - Refrigerator - Google Patents

Abstract

The refrigerator includes: a profile outside the storage room with a front opening; a shelf track provided on the inner side wall surface of the storage room and extending in the front-rear direction; a front shelf and a rear shelf, which are divided into the open side and the deep side of the storage room into Front and back, supported by shelf rails. A claw portion that engages with a shelf rail is provided on a side edge portion of the front shelf. On the pre-post shelf, when the pre-post shelf removed from the pre-post shelf is superimposed thereon, a notch is formed at a position corresponding to the pre-claw portion of the pre-post shelf.

Description

refrigerator

The present invention relates to a refrigerator, which is provided with a shelf portion that is divided into the front and rear sides of a storage compartment and divided into front and rear sides.

Generally, a refrigerator divides a shelf portion for a storage room into a plurality of spaces to improve the storageability of a storage object. A structure as described below is known: the shelf unit is divided into front and rear sides on the open side and the deep side of the storage room, and the front shelf of the divided shelf unit is stored above or below the rear shelf to ensure the storage space. height. This is to store a high storage container such as a large-capacity pour bottle or a bottle in a position where a front shelf is installed. For example, Patent Document 1 discloses that a refrigerator in which a top opening of a box provided in a storage room is closed by a top rear shelf and a top front shelf is disclosed. The structure is: when a user stores a storage item higher than the inner box in the inner box, the user removes and reverses the upper front shelf and places it on the upper rear shelf. As another method, Patent Document 2 discloses a refrigerator in which a front shelf is slid downward to a rear shelf to store the refrigerator.

Advance technical literature

Patent Literature:

Patent Document 1: Japanese Patent Application Laid-Open No. 2011-2176

Patent Document 2: Japanese Patent Application Laid-Open No. 09-119773

In Patent Document 2, it is necessary to provide a sliding rail structure that allows the front shelf to slide and provide support directly below the shelf rail that supports the rear shelf, so that the food storage space becomes small. In particular, compared with the case where a plastic molded product is used, when the shelf portion is made of a glass plate, the thickness of the shelf portion becomes thicker, the structure of the slide rail itself becomes larger, and the food storage space becomes smaller.

The present invention has been made in order to solve the problems described above, and an object thereof is to provide a refrigerator capable of forming a space capable of accommodating a high storage container while ensuring a size of a food storage space.

The refrigerator according to the present invention comprises: a profile outside the storage room with a front opening; a shelf rail provided on the inner side wall surface of the pre-storage storage room and extending in the front-to-rear direction; The front shelf and the rear shelf supported by the previous shelf track; the side edge of the previous shelf is provided with a claw that is engaged with the rail of the previous shelf; on the previous shelf, the former shelf When the pre-recorded front shelf removed from the track is superimposed on the upper surface, a notch is formed at a position corresponding to the pre-claw portion of the pre-printed shelf.

According to the refrigerator of the present invention, the claw portion of the front shelf placed on the upper surface of the rear shelf is closed in the cutout portion of the rear shelf, so that the front shelf can be horizontally overlapped on the upper surface of the rear shelf. While ensuring the size of the food storage space, a space for storing high storage items is formed at the position where the front shelf is installed.

1‧‧‧Storage Room

2‧‧‧ Shelving Department

3‧‧‧ front shelf

4‧‧‧ rear shelf

5a ~ 5g‧‧‧shelf track

6, 7‧‧‧ to prevent floating track

10‧‧‧ Outer Box

11‧‧‧Inner box

12‧‧‧wind road parts

13‧‧‧Temperature Adjustment Department

30, 40‧‧‧ glass plate

31, 41‧‧‧ frame

31a, 41a‧‧‧Front retaining sheet

31b, 41b ‧‧‧ side retaining sheet

31c, 41c

32, 42‧‧‧ claws

33‧‧‧ protrusion

34‧‧‧ convex

35‧‧‧ convex

44, 46‧‧‧ gap

45‧‧‧step difference

100, 110‧‧‧ refrigerator

100A‧‧‧Outer body

FIG. 1 is an enlarged perspective view showing a main part of the refrigerator according to the first embodiment of the present invention.

FIG. 2 is a front view showing an enlarged main part of the refrigerator according to the first embodiment of the present invention.

Fig. 3 is an enlarged cross-sectional view in the direction of the arrow X-X shown in Fig. 2.

FIG. 4 is a plan view showing a state where a shelf unit of the refrigerator according to the first embodiment of the present invention is divided into a front shelf and a rear shelf.

Fig. 5 is a bottom view showing a shelf portion of the refrigerator according to the first embodiment of the present invention.

Figure 6 is an enlarged view of Part A shown in Figure 2.

FIG. 7 (A) is an enlarged cross-sectional view in the direction of the Y-Y line arrow shown in FIG. 5, and FIG. 7 (B) is an enlarged view of Part B shown in FIG. 7 (A).

Fig. 8 is an explanatory view showing a method of inserting a glass plate into a frame constituting a rear shelf from a side direction.

FIG. 9 is an explanatory view showing a method of inserting a glass plate into a frame constituting a rear shelf from a bottom surface direction.

Fig. 10 is an explanatory view showing a method of inserting a glass plate into a frame constituting a rear shelf from an obliquely downward direction.

Fig. 11 is an enlarged perspective view showing a main part of the refrigerator according to the first embodiment of the present invention, with a front shelf superimposed on an upper surface of the rear shelf.

Fig. 12 is an enlarged front view showing a main part of the refrigerator according to the first embodiment of the present invention, with the front shelf superposed on the upper surface of the rear shelf.

Fig. 13 is a plan view showing the shelf unit of the refrigerator according to the first embodiment of the present invention, with the front shelf superposed on the upper surface of the rear shelf.

Fig. 14 is a side view showing the shelf unit of the refrigerator according to the first embodiment of the present invention, with the front shelf superposed on the upper surface of the rear shelf.

FIG. 15 (A) is an enlarged sectional view in the direction of the arrow of the Z-Z line shown in FIG. 13, and (B) is an enlarged view of a portion D shown in (A).

Fig. 16 is an enlarged cross-sectional view of a main part showing a method of superimposing a front shelf of a refrigerator of the first embodiment on an upper surface of a rear shelf.

Figure 17 is an enlarged view of part C shown in Figure 12.

Fig. 18 is an enlarged perspective view showing a main part of a refrigerator according to a second embodiment of the present invention.

Fig. 19 is a plan view showing an enlarged main portion of a refrigerator according to a second embodiment of the present invention.

FIG. 20 is an enlarged cross-sectional view in the direction of the arrow of the V-V line shown in FIG. 19.

Embodiment 1.

Hereinafter, a refrigerator according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 17. FIG. 1 is an enlarged perspective view showing a main part of the refrigerator according to the first embodiment of the present invention. FIG. 2 is a front view showing an enlarged main part of the refrigerator according to the first embodiment of the present invention.

As shown in FIGS. 1 and 2, the refrigerator 100 includes an outer box 10 made of steel sheet, an inner box 11 made of resin, and a heat-insulating material filled between the outer box 10 and the inner box 11 with foam. The box 10, the inner box 11, and the heat insulating material constitute the outer frame 100A of the refrigerator 100. A storage room 1 is formed in the inner box 11 of the refrigerator 100. Although not shown, a storage room door is provided in front of the storage room 1. In addition, the refrigerator 100 shown in FIGS. 1 and 2 has only the enlarged display having the storage room 1 The upper part of the refrigerator compartment is provided with a freezer compartment and the like below the refrigerator compartment, for example.

As shown in FIG. 1 and FIG. 2, an air passage part 12 is provided inside the storage room 1 and constitutes a part of a side wall portion on the back side of the storage room 1 to allow the cool air supplied to the storage room 1 to pass through. The air passage part 12 is formed by a resin part on the indoor side of the storage room 1 and protrudes. A heat insulating material is provided on the back side of the resin part to constitute a wall surface on the deep side of the storage room 1. A temperature adjustment unit 13 is provided in the storage room 1 to adjust the amount of cold air sent to the storage room 1.

A plurality of left and right pair of shelf rails 5a to 5g are provided on the inner side wall surface of the storage room 1 in the up-down direction of the storage room 1 (7 steps in the first and second figures), which protrude toward the indoor side and are stored in the storage The chamber 1 extends in the front-rear direction. Each pair of the shelf rails 5a to 5g has the same height, and is arranged slightly horizontally from the opening side to the deep side of the storage room 1. On a pair of shelving rails 5 a to 5 g, a shelving portion 2 on which storage items such as foods are placed are provided to be slightly parallel to the top (or lower surface) of the storage room 1. As shown in FIG. 1 and FIG. 2, the shelf unit 2 is a device that forms the storage room 1 into a plurality of spaces to improve the storageability of the storage items. In addition, in the illustrated embodiment, the configuration in which the shelf unit 2 is provided only on the shelf rail 5a in the fifth stage from the top is shown. However, for example, a configuration in which each shelf rail 5a to 5g is provided, or Only the selected part of the shelf rails are set to the composition.

Fig. 3 is an enlarged cross-sectional view in the direction of the arrow X-X shown in Fig. 2. FIG. 4 is a plan view showing a state where a shelf unit of the refrigerator according to the first embodiment of the present invention is divided into a front shelf and a rear shelf. Fig. 5 is a bottom view showing a shelf portion of the refrigerator according to the first embodiment of the present invention. Figure 6 is an enlarged view of Part A shown in Figure 2. FIG. 7 (A) is an enlarged cross-sectional view in the direction of the Y-Y line arrow shown in FIG. 5, and FIG. 7 (B) is an enlarged view of Part B shown in FIG. 7 (A). As shown in Figure 3 and As shown in FIG. 4, the shelf unit 2 includes a front shelf 3 and a rear shelf 4 which are divided into two in the front-rear direction of the shelf rail 5 a. The left and right side edges of the front shelf 3 and the rear shelf 4 are placed on and supported on the same shelf rail 5a, and are horizontally arranged on the same level in the storage room 1. As shown in FIGS. 4 and 5, the shelf unit 2 is formed into a substantially rectangular shape by combining the front shelf 3 and the rear shelf 4.

As shown in FIGS. 3 and 4, the front shelf 3 is composed of a substantially rectangular glass plate 30 on which storage items are placed, and a frame 31 made of synthetic resin installed on the outer periphery of the glass plate 30. As shown in FIG. 5, the lower surface of the frame 31 includes a front holding piece 31 a provided on the front side edge portion, side holding pieces 31 b provided on both side edge portions, and a rear holding portion provided on the rear side edge portion. The sheet 31c and the holding sheets 31a to 31c are fixedly mounted on the glass plate 30.

As shown in FIGS. 5 and 6, the front shelf 3 is provided with claw portions 32 which are engaged with the shelf rail 5 a on both sides of the front side in the width direction to restrict the movement in the vertical direction. The left and right claw portions 32 are formed in a shape bent outward, and are provided to protrude downward from the lower surface of the front shelf 3. The front shelf 3 can be moved in the front-back direction by moving the claw portion 32 along the shelf rail 5a. By sliding the front shelf 3 forward to disengage the claw portion 32 from the shelf rail 5a, it can be easily removed from the shelf rail 5a. The removed front shelf 3 may be superimposed on, for example, the rear shelf 4 or supported by other shelf rails 5b-5g. In addition, the removed front shelf 3 can be washed to remove dirt, and when it is damaged, it can be replaced with a new shelf.

As shown in FIGS. 3 to 5, the front shelf 3 has a notch-shaped convex portion 34 that can be received in the rear shelf 4 at both ends in the width direction on the rear side. When supported by the shelving rails 5a, it corresponds to the shape of the cutout of the rear shelf 4. By matching the shape of the rear side of the front shelf 3 with the shape of the rear shelf 4, there can be no gap between the front shelf 3 and the rear shelf 4 and the storage items can be safely placed. In addition, the front shelf 3 has convex portions 34 at both ends in the wide direction on the rear side, thereby making the central portion of the rear side edge portion concave. When removed from the shelf rail 5a, it overlaps When used on the top of the rear shelf 4 or supported by other shelf rails 5b to 5g, it can be prevented from interfering with the air path part 12.

In addition, as shown in FIG. 4, FIG. 5, and FIG. 7, two protrusions 33 are provided at the rear side edge portion of the front shelf 3 at a distance from each other. The projections 33 protrude toward the rear shelf 4 and touch the rear. The lower side of the front side edge portion of the shelf 4. The front side of the front shelf 3 is restricted by the claws 32 from moving up and down. Therefore, even if, for example, the storage items stored in the storage space below the front shelf 3 are pushed from below, they will not be pushed upward. It can maintain a horizontal state. However, the rear side of the front shelf 3 is not provided with a claw portion 32 for preventing the jacking up and down. This is because if the claws are provided on the rear side and the front shelf 3 is superposed on the rear shelf 4, the presence of the claws prevents the front shelf 3 from being horizontal. Therefore, when the front shelf 3 pushes the storage items stored in the storage space below from below, it pushes upward to maintain the horizontal state, and the storage items placed on the top cannot be stably stored. Therefore, the refrigerator 100 according to the first embodiment is configured such that the protruding portion 33 abuts the lower surface of the front side edge portion of the rear shelf 4 whose vertical movement is restricted by the claw portion 42 and the rear side of the front shelf 3 is not. Will lift up. In addition, the protruding portion 33 is not limited to the size and number shown, and the design can be appropriately changed according to the type of the refrigerator.

As shown in Figures 3 to 5, the rear shelf 4 is The glass plate 40 and a frame 41 made of synthetic resin mounted on the outer periphery of the glass plate 40 are configured. The rear shelf 4 has notches 44 formed on both sides in the width direction on the front side. The cutout portions 44 are formed in the glass plate 40 and the frame body 41, respectively. In addition, the rear shelf 4 is formed with a recessed notch portion 46 on the rear side of the frame body 41 so that the rear side edge portion does not interfere with the shape of the air path component 12 when the rear side edge portion abuts on the deep side wall surface of the storage room. .

In addition to the cutout portion 44, the frame body 41 includes a front holding piece 41 a, a side holding piece 41 b, and a rear holding piece under the front side edge portion, the left and right side edge portions, and the rear side edge portion, respectively. 41c. The holding pieces 41a to 41c are fixedly mounted on the glass plate 40.

Fig. 8 is an explanatory view showing a method of inserting a glass plate into a frame constituting a rear shelf from a side direction. FIG. 9 is an explanatory view showing a method of inserting a glass plate into a frame constituting a rear shelf from a bottom surface direction. FIG. 10 is an explanatory view showing a method of inserting a rear glass plate into a frame constituting a shelf from an obliquely downward direction. As shown in FIGS. 8 to 10, the glass plate 40 of the rear shelf 4 is inserted from the notch side toward the notch portion 44 of the frame 41 in a tilted state on the lower surface side of the inverted frame 41. Both the glass plate 40 and the frame body 41 have cutouts at both ends on the front side. Therefore, when the glass plate 40 is inserted into the frame body 41, the contact area after insertion can be reduced, and frictional resistance can be suppressed. That is, the rear shelf 4 of the refrigerator 100 according to the first embodiment can easily insert the glass plate 40 into the frame body 41, so that the efficiency of the assembly operation can be improved.

In addition, on both sides of the rear shelf 4 in the width direction, claw portions 42 protruding downward are provided at the central portions in the front-rear direction, respectively. The left and right claw portions 42 are formed in an outwardly bent shape, and the rear shelf 4 is restricted by engaging with the shelf rail 5a. For vertical movement. That is, the refrigerator 100 according to Embodiment 1 can be used safely because the rear shelf 4 is not tilted upwards due to the storage items stored in the storage space below the rear shelf 4 and is always horizontal. By moving the claw portion 42 engaged with the shelf rail 5 a back and forth, the rear shelf 4 can be freely slid or removed in the front-rear direction. The removed front shelf 4 can be cleaned to remove dirt, and when it is damaged, it can be replaced with a new shelf.

In addition, as shown in FIGS. 3 and 4, a step portion 45 is formed on the rear shelf 4, and when the front shelf 3 is superposed on the upper shelf, it comes into contact with the convex portion 35 in the front-rear direction. In addition, the front shelf 3 and the rear shelf 4 may have a structure with uneven | corrugated fitting parts which mutually fit when the front shelf 3 is superimposed on the upper surface of the rear shelf 4.

Next, a case where the front shelf 3 is superimposed on the upper surface of the rear shelf 4 will be described. Fig. 11 is an enlarged perspective view showing a main part of the refrigerator according to the first embodiment of the present invention, with a front shelf superimposed on an upper surface of the rear shelf. Fig. 12 is an enlarged front view showing a main part of the refrigerator according to the first embodiment of the present invention, with the front shelf superposed on the upper surface of the rear shelf. Fig. 13 is a plan view showing the shelf unit of the refrigerator according to the first embodiment of the present invention, with the front shelf superposed on the upper surface of the rear shelf. Fig. 14 is a side view showing the shelf unit of the refrigerator according to the first embodiment of the present invention, with the front shelf superposed on the upper surface of the rear shelf. FIG. 15 (A) is an enlarged sectional view in the direction of the arrow of the Z-Z line shown in FIG. 13, and (B) is an enlarged view of a portion D shown in (A). Fig. 16 is an enlarged cross-sectional view of a main part showing a method of superimposing a front shelf of a refrigerator of the first embodiment on an upper surface of a rear shelf. Figure 17 is an enlarged view of part C shown in Figure 12.

Generally, the storage room 1 of the refrigerator is divided by the shelf part 2 Storage space to improve the storage of storage. However, when storing a high storage item, it may not be possible to store it because of the size of the storage space that is separated. Therefore, as shown in FIGS. 11 to 13, in the refrigerator 100 according to the first embodiment, the front shelf 3 detached from the shelf rail 5 a is superimposed on the rear shelf 4 so that the front shelf can be originally installed. The storage space at the 3 position becomes larger.

As shown in FIG. 14, in the front shelf 3 superposed on the upper surface of the rear shelf 4, the claw portion 32 is received in the cutout portion 44 of the rear shelf 4 and placed on the upper surface of the shelf rail 5 a. As shown in FIG. 17, the claw portion 32 of the front shelf 3 can maintain the stability of the horizontal state of the front shelf 3 by placing the upper surface of the shelf rail 5a. As shown in FIGS. 15 and 16, the front shelf 3 determines the position by abutting the convex portion 35 on the step portion 45 of the rear shelf 4. At this time, as shown in FIG. 14, the front shelf 3 superimposed on the upper surface of the rear shelf 4, the lower surface on the front side is in contact with the upper surface of the step portion 45, and the lower surface of the protrusion 33 is in contact with the frame of the rear shelf 4. 41 contacts. That is, the height of the stepped portion 45 is matched with the size and shape of the protruding portion 33 so that the front shelf 3 overlapping the upper surface of the rear shelf 4 is horizontal. In addition, as shown in FIG. 14, the size of the front shelf 3 is better: the front edge of the front shelf 3 and the front edge of the rear shelf 4 are the same position or more than the front edge of the rear shelf 4 To the rear. This is because the front shelf 3 does not protrude from the rear shelf 4 and does not hinder the storage of storage items.

In addition, as shown in FIGS. 11, 12, and 17, the inner side surface adjacent to the rear side wall portion of the storage room 1 is provided above the front shelf 3 to prevent the floating from protruding toward the inside of the storage room 1. From track 6. Since the front shelf 3 overlaps the top of the rear shelf 4, the vertical movement of the rear shelf 4 which is restricted by the claw portion 42 from lifting downward is restricted. But before When the front side of the shelf 3 is subjected to a load from the vertical direction, there is a possibility that the rear side may float. Therefore, the refrigerator 100 according to the first embodiment is configured to prevent floating of the rear side of the front shelf 3 by the floating preventing rail 6 and stably place food or the like. The anti-floating rail 6 is provided at a position adjacent to the back side wall portion where the user does not frequently store food and is not easily noticed. Therefore, the food storage space is not reduced, and viewing is not hindered.

Therefore, according to the refrigerator 100 of the present invention, the claw portion 32 of the front shelf 3 placed on the upper surface of the rear shelf 4 can be retracted in the cutout portion 44 of the rear shelf 4, so that the front shelf 3 can be horizontally overlapped. On the back shelf 4. Therefore, it is not necessary to provide a slide rail structure that slides and stores the front shelf 3 under the rear shelf 4 as in the conventional technology described above, and it is possible to install the front shelf 3 while ensuring the size of the food storage space. The space is formed as a space for storing high storage items.

In addition, according to the refrigerator 100 of the present invention, the rear side of the front shelf 3 has a convex portion 34 that is received in the shape of the cutout portion 44 of the rear shelf 4. Therefore, the front shelf 3 and the rear shelf 4 There are no gaps between them to store the storage safely.

In addition, according to the refrigerator 100 of the present invention, the rear edge portion of the front shelf 3 is provided with a protruding portion 33 that protrudes toward the rear shelf 4 and abuts on the lower surface of the rear shelf 4. When the storage objects stored in the storage space push the front shelf 3 from below, the front shelf 3 can be maintained in a horizontal state without being pushed upward.

In addition, according to the refrigerator 100 of the present invention, a convex portion 35 protruding downward from the bottom is formed on the front shelf 3, and a stepped portion 45 is formed on the rear shelf 4. When the shelf 3 is overlapped on the upper surface, it abuts on the convex portion 35 in the front-rear direction. Therefore, the front shelf 3 overlapped on the upper surface of the rear shelf 4 does not accidentally fly forward, which can improve safety.

According to the refrigerator 100 of the present invention, the front edge of the front shelf 3 superimposed on the top of the rear shelf 4 is located at the same position as the front edge of the rear shelf 4 or more rearward than the front edge of the rear shelf 4. Therefore, the front shelf 3 does not protrude from the rear shelf 4 and does not hinder the storage of the storage items.

According to the refrigerator 100 of the present invention, when the front shelf 3 is superimposed on the inner wall surface of the storage compartment 1 on the rear shelf 4, a floating prevention track protruding toward the inside of the storage compartment 1 is provided above the front shelf 3. 6. Even if the front side of the front shelf 3 receives a load from a vertical direction from above, it can prevent the rear side of the front shelf 3 from floating, and can stably place food or the like.

Embodiment 2.

Next, a refrigerator according to a second embodiment of the present invention will be described with reference to FIGS. 18 to 20. Fig. 18 is an enlarged perspective view showing a main part of a refrigerator according to a second embodiment of the present invention. Fig. 19 is a plan view showing an enlarged main portion of a refrigerator according to a second embodiment of the present invention. FIG. 20 is an enlarged cross-sectional view in the direction of the arrow of the V-V line shown in FIG. 19. It should be noted that the same configurations as those of the refrigerator 100 according to the first embodiment are denoted by the same reference numerals, and descriptions thereof are omitted.

As shown in FIGS. 18 to 20, the refrigerator 110 according to the second embodiment is configured such that the front shelf 3 is disposed directly below the rear shelf 4. The front shelf 3 detached from the shelf rail 5 a is supported by the shelf rail 5 b configured as the length of the front shelf 3 in the front-rear direction. When the front shelf 3 is installed on the shelf rail 5b on the inner side wall surface of the storage room 1, an anti-projection projecting to the inside of the storage room 1 is provided above the front shelf 3. 止 Floating Track 7. Therefore, in the front shelf 3, movement in the vertical direction is restricted by the claw portion 32 on the front side, and movement in the vertical direction is restricted by the floating rail 7 on the rear side.

Therefore, the refrigerator of Embodiment 2 does not need to provide a slide rail structure that slides and stores the front shelf 3 below the rear shelf 4 as in the conventional technology described above, and can ensure the size of the food storage space. A space where a high storage object can be stored is formed at a position where the front shelf 3 is provided.

As mentioned above, although this invention was demonstrated based on embodiment, this invention is not limited to the structure of the said embodiment. For example, the glass plate 30 may be made of a synthetic resin, and may be appropriately changed within the technical scope of the present invention. In short, the scope of various changes, applications, and uses made by those skilled in the art as necessary is also included in the gist (technical scope) of the present invention.

Claims (10)

A refrigerator includes: a body outside a storage room with a front opening; a shelf rail provided on an inner wall surface of the front storage room and extending in the front-rear direction; the open side and the deep side of the front storage room are divided into front and rear sides, and The front shelf and the rear shelf supported by the preliminary shelf track; the side edge of the preliminary shelf is provided with a claw that engages the preliminary shelf track; on the preliminary shelf, the preliminary shelf track will be When the removed preform shelf is superimposed on the upper surface, a notch is formed at a position corresponding to the preclaw portion of the preform shelf. The refrigerator according to item 1 of the patent application scope, wherein: the preamble claw portion is provided on the front side of the preamble frame; the notch portion is formed on the front side of the preframe frame; The convex part of the shape of the notch part of the preamble post shelf. As in the refrigerator described in item 1 or 2 of the scope of patent application, a protrusion is provided at the rear edge of the pre-post shelf, which protrudes toward the pre-post shelf and hits the underside of the pre-post shelf. The refrigerator according to item 1 or 2 of the scope of patent application, wherein: a convex portion protruding downward from the front shelf is formed in the preamble; a stepped portion is formed in the post shelf, which overlaps the pre shelf in the preamble; When it is on the top, it comes into contact with the front convex part in the front-back direction. For the refrigerator described in item 4 of the scope of the patent application, the height of the pre-stage step is such that the pre-stage shelf is horizontal when the pre-stage shelf is superimposed on the pre-stage shelf. For the refrigerator described in item 1 or 2 of the scope of patent application, the front shelf of the preamble is such that when it is superimposed on the top shelf of the preamble, the front edge is located at the same position as the front edge of the post shelf or the post shelf Position behind the front edge. For the refrigerator described in item 1 or 2 of the scope of patent application, the inner wall surface of the pre-storage storage room is provided with a floating prevention track. When the pre-storage shelf is overlapped on the pre-storage shelf, it is located above the pre-storage shelf. And protrude to the inside of the storage room. The refrigerator according to item 1 or 2 of the scope of patent application, wherein the pre-post shelf has a glass plate formed with a notch, and a frame installed along the outer periphery of the pre-printed glass plate; the pre-printed glass plate faces from the side of the notch The notch part of the former frame is inserted. The refrigerator according to item 1 or 2 of the scope of patent application, wherein: a plurality of preface shelving rails are arranged along the up-down direction of the preface storage room; at least one of the prequel plural shelving rails is constituted by the preface preshelf The length of the front-back direction. The refrigerator according to item 9 of the scope of the patent application, wherein the inner wall surface of the pre-storage storage room is provided with a floating prevention track, and when the pre-storage pre-shelf is placed on the pre-story pre-shelf's length in the front-rear direction, It is located above the anterior shelf of the preface and protrudes from the inner side of the preface storage room.