JP2001165559A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the slip motion of a shelf board. SOLUTION: A duct cover 36 is screwed within a cold storage chamber. A shelf hanger 532 is made integrally at this duct cover 36, and a hooking hole 45 is made in the shelf board 42. Moreover, a shelf board 47 is stored capably of backward and forward sliding within the cold storage chamber. A claw 52 is made integrally on this shelf board 47, and the claw 52 is lapping right and left over the shelf hanger 42, based on being inserted into the hooking hole 45. In this case, the claw 52 laps surely on the shelf hanger 42 regardless of the dispersion of vertical setting of the duct cover 36, so the slip motion of the shelf board 47 is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator having a shelf mounted in a storage room.

[0002]

The conventional structure of the above refrigerator will be described with reference to FIGS. 9 and 10. FIG. The storage room 1 is formed by molding a synthetic resin into a box shape with an open front surface, and a duct cover 2 is attached to the rear wall of the storage room 1. The duct cover 2 cooperates with the rear wall of the storage room 1 to form a cool air duct 3 for circulating cool air, and a shelf 4 having an open upper surface is integrally formed on both left and right sides of the duct cover 2. ing.

A shelf receiver 5 and a shelf guide 6 are integrally formed on both left and right side walls of the storage room 1, and a synthetic resin shelf 7 is slidable between the shelf receiver 5 and the shelf guide 6 in the front-rear direction. Has been inserted. L-shaped plate-shaped claws 8 are integrally formed at the rear end of the shelf plate 7 on both left and right sides, and the claw portions 8 are inserted into the respective shelf racks 4 from above. These claws 8 wrap vertically with respect to the shelf 4, and engage with the shelf 4 when food is taken out from the shelf 7 to shift the shelf 7 forward. Constrain movement.

[0004] In the case of the above-described configuration, assembling variability, molding variability and the like occur in the vertical position of the duct cover 2 and the vertical position of the shelf receiver 5. Therefore, the shelf 4 of the duct cover 2
And the claw portion 8 of the shelf 7 are not stable within the design range, so that the shelf 7 may move forward when food is taken out from the shelf 7 or the like. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a refrigerator that can prevent the shelves from shifting.

[0005]

According to a first aspect of the present invention, there is provided a refrigerator having a storage room having a front opening, shelves provided on both left and right side walls of the storage room and extending in the front-rear direction, and supported on the both shelves. A shelf plate, and a duct cover forming a cool air duct for cold air distribution in cooperation with the rear wall of the storage room,
An opening is provided in one of the shelf plate and the duct cover, and a claw portion that wraps in the left-right direction with respect to the other side based on being inserted into the opening in the other of the shelf plate and the duct cover. It is characterized by where it is provided. According to the above means, the claw provided on one of the shelf plate and the duct cover is wrapped in the left-right direction with respect to the counterpart based on being inserted into the opening of the counterpart.
For this reason, the claw portion surely wraps around the counterpart irrespective of, for example, variations in the molding of the shelf receiver in the vertical direction, so that the shift movement of the shelf board is prevented.

The refrigerator according to the second aspect is characterized in that the height of the claw is smaller than the height of the opening.
According to the above-described means, the claw portion is securely inserted into the opening regardless of the variation in the molding of the shelf receiver in the vertical direction and the like, so that the workability of mounting the shelf plate is improved.

According to a third aspect of the present invention, a portion of the inner surface of the opening that comes into contact with the claw portion when the shelf is pulled out has a curved shape, and the inner surface of the opening portion when the shelf is drawn out of the claw portion. This is characterized in that the portion in contact with is formed as an inclined surface. According to the above means, when the shelf is pulled out, the claw portion is smoothly removed from the inside of the opening without being hooked on the inner surface of the opening, so that the workability of removing the shelf is improved.

[0008] The refrigerator according to claim 4 is characterized in that the opening has a cut-out shape whose upper surface is open. According to the above means, the claw portion comes off from the upper surface of the opening simply by lifting the shelf, so that the workability of removing the shelf is improved.

[0009] The refrigerator according to claim 5 is characterized in that the duct cover is fixed to the rear wall of the storage room at substantially the same height position as the shelf plate. According to the above means, the fixed portion of the duct cover is hidden by the shelf plate from the front, so that the appearance is improved. In addition, since the force acting on the fixed portion of the duct cover when removing the shelf board is small, it is possible to prevent the fixed state of the duct cover from being deteriorated.

In the refrigerator according to the present invention, a shelf guide is provided on the shelf plate for preventing the shelf plate from floating based on engagement with the shelf receiver, and a door for opening and closing the front surface of the storage room is provided in the storage room. The shelf guide is disengaged from the shelf receiver before the shelf board interferes with the door when the shelf board is pulled forward with the door opened. According to the above-described means, the shelf board is prevented from interfering with the door when the shelf board is removed from the storage chamber, so that the workability of removing the shelf board is improved.

[0011]

FIG. 1 shows a first embodiment of the present invention.
A description will be given with reference to FIG. First, in FIG.
The outer box 11 is formed based on combining a plurality of steel plates in a box shape having an open front surface, and an inner box 12 is provided in the outer box 11. This inner box 12 is formed based on vacuum molding of synthetic resin.
It has a box shape with an open front.

A heat insulating material 13 is provided between the outer case 11 and the inner case 12.
Is filled. This heat insulating material 13 is composed of the outer box 11 and the inner box 1
The urethane foam injected between the inner box 2 and the outer box 2 is cured, and constitutes the refrigerator body 14 together with the outer box 11 and the inner box 12.

A partition plate 15 is fixed in the inner box 12. The partition plate 15 has a plurality of through holes 16 formed in a through hole shape.
(Only one is shown).
A refrigerator compartment 17 corresponding to a storage compartment is formed above the storage compartment. Further, in the inner box 12, a heat insulating partition plate 18 is fixed below the partition plate 15, and a vegetable compartment 19 is formed between the heat insulating partition plate 18 and the partition plate 15, and a heat insulating partition plate is formed. A freezer compartment 20 is formed below 18.

An R door 21 is mounted at the front end of the refrigerator compartment 17 so as to be rotatable around the left side. In addition, vegetable room 1
A V-door 22 and an F-door 23 are slidably mounted on the front end of the refrigeration chamber 9 and the front end of the freezer compartment 20 in the front-rear direction. The R doors 21 to 23 are formed by storing a heat insulating material such as styrene foam between an outer plate made of a steel plate and an inner plate made of a synthetic resin. A rectangular frame-shaped door bead 24 is integrally formed.

A machine room 25 is formed at the lower end of the outer box 11, and a compressor 26 of a refrigeration cycle is fixed in the machine room 25. Further, an R cool air generation chamber 27 is formed at the rear of the vegetable compartment 19, and F cold air generation chamber 27 is formed at the rear of the freezer compartment 20.
A cool air generation chamber 28 is formed, and an R evaporator 29 and an F evaporator 30 of a refrigeration cycle are fixed in the R cool air generation chamber 27 and the F cool air generation chamber 28. These R evaporator 29 and F evaporator 3
Numeral 0 is connected to the compressor 26 via a refrigerant pipe (not shown), and a refrigerant is supplied from the compressor 26 to the R evaporator 29 and the F evaporator 30 through the refrigerant pipe.

An F fan device 31 is provided in the F cool air generation chamber 28.
Are arranged. The F fan device 31 is formed by connecting a fan to a rotation shaft of a fan motor. When the F fan device 31 is driven, as shown by an arrow, air flows through the fan shaft.
The air is discharged from the cold air generation chamber 28 into the freezing chamber 20 and returned from the freezing chamber 20 into the F cold air generation chamber 28. At this time,
The F evaporator 30 cools the air based on cooling the air, and cools the inside of the freezing room 20.

On the rear plate of the inner box 12, as shown in FIG.
A plurality of through holes 32 are formed (only one is shown). The through holes 32 are arranged on the same vertical line. A predetermined one of the plurality of through holes 32 is located in the refrigerator compartment 17, and the remaining ones are located in the vegetable compartment 19.

A fastener 33 made of synthetic resin is fitted into each through hole 32 from behind. Each of the fasteners 33 has a large-diameter concave boss fitting portion 34 and a small-diameter concave female screw portion 35, and the rear half of each fastener 35 is embedded in the heat insulating material 13.

As shown in FIG. 5, in the refrigerator compartment 17 and the vegetable compartment 19, a vertically long synthetic resin duct cover 36 is provided.
As shown in FIG. 1A, a plurality of discharge holes 37 having a through-hole shape are provided in the duct cover 36.
Also, a plurality of bosses 38 arranged on the same vertical line are formed. Each of the latter bosses 38 has a cylindrical shape with a bottom protruding rearward as shown in FIG. 3, and the duct cover 36 has each boss 38 fitted into the boss fitting portion 34 of the fastener 33. And is fixed to the rear plate of the inner box 12 based on the fact that the male screw 39 is screwed into the female screw portion 35 of the fastener 33 from the front through each boss 38.

A cool air duct 40 is formed between the duct cover 36 and the rear plate of the inner box 12, as shown in FIG. The cool air duct 40 has a vertically long passage shape. The upper end of the cool air duct 40 is opened at the upper end in the refrigerator compartment 17, and the lower end of the cool air duct 40 is connected to the R cool air generating chamber 27.
Open inside.

An R fan device 41 is provided in the R cool air generation chamber 27.
Are arranged. The R fan device 41 is formed by connecting a fan to a rotation shaft of a fan motor. When the R fan device 41 is driven, as shown by an arrow, air flows through the R fan device 41.
A plurality of outlets 3 of the cool air duct 40 from inside the cool air generating chamber 27.
7 and into the refrigerator compartment 17 through the upper end portion, flows into the vegetable compartment 19 from the refrigerator compartment 17 through the plurality of distribution ports 16 of the partition plate 15, and from the vegetable compartment 19 to the R cold air generation chamber 2.
It is returned in 7. At this time, the air is cooled by the R evaporator 29 cooling the air to cool the inside of the refrigerator compartment 17 and the vegetable compartment 19.

The right and left sides of the duct cover 36 are shown in FIG.
(A), two shelves 42 are integrally formed at substantially the same height as the upper boss 38, and two shelves 42 are formed at substantially the same height as the middle boss 38. A hook 42 is integrally formed. Further, as shown in FIG. 2, the duct cover 36 is provided at the rear of each shelf
Are integrally formed. Each of the die-cut portions 43 has a cylindrical shape whose front and rear surfaces are open, and each of the shelves 42 pulls out a forming die (not shown) through the die-cut portion 43 at the time of injection molding of the duct cover 36. In the form of a container having an open rear surface.

As shown in FIG. 1A, an inclined surface portion 44 is formed on each of the shelves 42. Each of these inclined surface portions 44 is inclined so as to move away from the counterpart shelf 42 facing the left and right direction as it goes rearward,
As shown in FIG. 1D, a hook hole 45 is formed in each inclined surface portion 44. Each of the hook holes 45 corresponds to an opening, and has a vertically long rectangular shape.

The left and right side plates of the inner box 12 are shown in FIG.
As shown in the figure, a shelf receiver 46 is formed integrally below the shelf 42 of each stage. Each shelf receiver 46 has a bead shape extending linearly in the front-rear direction, and the front end face of each shelf receiver 46 is, as shown in FIG. It is displaced backward by the distance L0.

As shown in FIG. 4B, a transparent synthetic resin shelf board 47 is placed on the upper shelf supports 46 and the lower shelf receivers 46. Each of these shelves 47
As shown in FIG. 1 (b), a horizontal shelf body 48 on which food is placed, a U-shaped rib 49 surrounding the outer periphery of the shelf body 48 except for the front end, and a concave shape having an open lower surface. Finger hook 50
(See FIG. 4B). The width W1 of each shelf 47 in the left-right direction is, as shown in FIG.
The width L2 of the shelves 47 in the front-rear direction is set smaller than the width W2 of the refrigerator 17 in the left-right direction.
Is set smaller than the length L2 in the front-rear direction.

At the rear side of the rib 49 of each shelf 47, FIG.
As shown in (b) of FIG.
1 is formed. Each of the openings 51 has a cut-out shape whose lower surface is open, and each shelf 42 of the duct cover 36 is inserted into the opening 51 as shown in FIG. In the left-right direction by a distance C1.

At the rear side of the rib 49 of each shelf 47, FIG.
As shown in (b) of FIG.
Are integrally formed. As shown in FIG. 2, each of the claws 52 has an L-shape protruding into the opening 51, and is inserted into the hook hole 45 of the shelf 42 so as to be attached to the shelf 42. On the other hand, the shelves 47 are wrapped in the left-right direction by a distance R, and the shelf board 47 is held in the refrigerator compartment 17. The pitch in the left-right direction between these claws 52 is “L1 ±
α (α is a molding error) ”is set to be larger than the horizontal pitch“ L2 ± β (β is a manufacturing error) ”between the hook holes 45,
The height H1 of the claw 52 is set smaller than the height H2 of the hook hole 45, as shown in FIG.

As shown in FIG. 1B, shelf guides 53 are integrally formed on the left and right sides of each shelf plate 47 at the front end. Each of these shelf guides 53 has an L-shaped plate shape protruding downward, and as shown in FIG. 4B, engages with the lower surface of the shelf receiver 46 when the shelf plate 47 is stored. The shelf 47 is prevented from floating.

Next, the operation of the above configuration will be described. <Regarding the mounting procedure of the shelf board 47> The R door 21 is rotated to open the front surface of the refrigerator compartment 17 as shown in FIG. This open state refers to a state in which the door bead 24 of the R door 21 is parallel to the front end face of the shelf 47, and the operation amount θ of the R door 21 at this time is 90 °.

When the front of the refrigerator compartment 17 is opened, the shelf board 47 is opened.
Are placed on both shelf supports 46, and the shelf board 47 is pushed rearward along both shelf supports 46. Then, after the both shelf guides 53 of the shelf board 47 are engaged with the lower surfaces of the both shelf receivers 46, the both shelf hooks 42 of the duct cover 36 are inserted into both the openings 51 of the shelf board 47. Then, both the claw portions 52 of the shelf board 47 are elastically deformed based on being pressed from both the inclined surfaces 44 of the both shelf mounts 42, and are inserted into the both hook holes 45. When the R door 21 is closed in this state, a gap is formed between the door bead 24 of the R door 21 and the front end surface of the shelf board 47 as shown by a solid line in FIG.

<Removing procedure of shelf board 47> R door 2
1 is rotated to open the front of the refrigerator compartment 17. Then, based on the inclination of the shelf board 47 in the up-down direction and the left-right direction, the both claws 52 are removed from the inside of the both hook holes 45, and then a finger is inserted into the finger hook 50 of the shelf board 47 to remove the shelf board 47. Pull forward along both shelf supports 46. Then, as shown by a two-dot chain line in FIG.
Since the two shelf guides 53 come off the two shelf receivers 46 before interfering with the door beads 24 of the door 21, the shelves 47 are removed from the refrigerator compartment 17 based on moving the shelf plate 47 upward or downward.

According to the first embodiment, the claw 52 of the shelf board 47 is inserted into the hook hole 45 of the duct cover 36, and is wrapped in the left-right direction with respect to the shelf 42. For this reason, the claw portion 52 is securely wrapped on the shelf 42 regardless of the vertical molding variation of the shelf receiver 46 and the vertical assembly variation of the duct cover 36.
When the food is taken out from above, the shelf board 47 is prevented from moving forward.

The height H1 of the claw portion 52 is set to
5 was set smaller than the height dimension H2. For this reason, the claw portion 52 is easily inserted into the hooking hole 45 irrespective of the vertical forming variation of the shelf receiver 46 at the time of pushing the shelf board 47, so that the workability of mounting the shelf board 47 is improved. Moreover, since the claw portion 52 can be easily removed from the hook hole 45 based on the inclination of the shelf board 47 in the up and down direction in the housed state, the workability of removing the shelf board 47 is also improved.

The duct cover 36 was screwed to the rear wall of the refrigerator compartment 17 at substantially the same height as the shelf plate 47. For this reason, the screw 39 for fixing the duct cover 36 is hidden from the front by the shelf plate 47, so that the appearance is improved. In addition, when the shelf board 47 is removed, the boss 38 of the duct cover 36 is removed.
Therefore, the fixed state of the duct cover 36 is prevented from being deteriorated due to the deformation or breakage of the boss 38.

When the shelf 47 is pulled forward with the R door 21 opened, the shelf 47 is moved to the door bead 2 of the R door 21.
Since the shelf guide 53 is detached from the shelf receiver 46 before interfering with the shelf 4, the shelf board 47 can be easily removed from the refrigerator compartment 17 without being obstructed by the door beads 24.

Next, a second embodiment of the present invention will be described with reference to FIGS.
It will be described based on. Each shelf 42 of the duct cover 36
As shown in FIG. 7, slits 54 are formed at the upper and lower ends of the hook holes 45. These slits 5
Reference numeral 4 denotes an elastic piece 55 formed on the shelf 42. A curved section 56 having an arc-shaped horizontal section is formed at the tip of each elastic piece 55, as shown in FIG. Also, an inclined surface portion 57 is formed on the curved surface portion 56 side of each claw portion 52,
Another inclined surface portion 58 is formed on the opposite side of the inclined surface portion 57.

According to the second embodiment, the curved surface portion 56 is formed on the inner surface of the hook hole 45 at the portion which comes into contact with the claw portion 52 when the shelf plate 47 is pulled out. Occasionally, an inclined surface portion 57 is formed in a portion that comes into contact with the inner surface of the hook hole 45. For this reason, when the shelf board 47 is pulled out, the claw portion 52 is smoothly detached from the inside of the hook hole 45 without being hooked on the inner surface of the hook hole 45, and the workability of removing the shelf board 47 is improved.

An elastic piece 55 is provided based on the formation of a pair of slits 54 in the shelf 42. For this reason, the claw portion 52 is smoothly removed from the hook hole 45 based on the elastic piece 55 being elastically deformed when the shelf board 47 is pulled out, and the workability of removing the shelf board 47 is also improved from this point.

Next, a third embodiment of the present invention will be described with reference to FIG. A hook hole 59 corresponding to an opening is formed in each shelf 42 of the duct cover 36. Each of the hook holes 59 has a cutout shape with an open upper surface, and the both claw portions 52 of each shelf plate 47 are inserted into the both hook holes 59 so as to be in the left-right direction with respect to the two shelf holes 42. Wrapped in.

According to the third embodiment, the notch-shaped hooking hole 59 whose upper surface is opened is provided in the shelf 42. For this reason, the claw portions 52 are
Can be easily removed from the upper surface of the hook hole 59,
The workability of removing the shelf board 47 is improved.

In the first to third embodiments,
The shelf 42 having the hook holes 45 or 59 is provided on the duct cover 36 and the claws 52 are provided on the shelf plate 47. However, the present invention is not limited to this. For example, the hook holes 45 or 59 are provided.
May be provided on the shelf plate 47, and the claw portions 52 may be provided on the duct cover 36.

In the first to third embodiments, the cold air for the refrigerator compartment 17 and the cold air for the freezer compartment 20 are generated by the dedicated R evaporator 28 and the F evaporator 30. However, the present invention is not limited to this. Instead, it may be generated by, for example, a shared evaporator.

In the first to third embodiments, the duct cover 36 made of one resin plate is used. However, the present invention is not limited to this. For example, the duct cover 36 is formed on the front surface of a heat insulating material such as styrene foam. A duct cover having a configuration in which resin decorative plates are stacked may be used. In the case of this configuration, the shelf 42 having the hook holes 45 or 59 in the decorative board is provided.
Or a claw portion 52 may be provided.

In the first to third embodiments, the refrigerating compartment 17 is exemplified as the storage compartment to which the shelf board 47 is mounted. However, the present invention is not limited to this. A shelf 47 may be mounted in the chamber 20.

[0045]

As is apparent from the above description, the refrigerator of the present invention has the following effects. According to the first aspect of the present invention, since the claw portion of the shelf plate or the duct cover is wrapped in the left-right direction with respect to the other party based on the insertion into the opening of the other party, the shift movement of the shelf board is reduced. Is prevented. According to the second aspect of the present invention, since the height of the claw is set smaller than the height of the opening, the workability of attaching and detaching the shelf plate is improved. According to the means of claim 3, a portion of the inner surface of the opening that comes into contact with the claw portion when the shelf is pulled out is provided in a curved shape, and a portion of the claw that comes into contact with the inner surface of the opening when the shelf is pulled out. Is provided in the form of an inclined surface, so that the workability of removing the shelf board is improved.

According to the fourth aspect of the present invention, since the opening is formed in the shape of a notch whose upper surface is open, the workability of removing the shelf board is improved. According to the fifth aspect of the present invention, the duct cover is fixed to the rear wall of the storage room at substantially the same height as the shelf plate. Therefore, the appearance is improved, and the fixed state of the duct cover is prevented from being deteriorated. According to the means of claim 6, when the shelf is pulled forward with the door open, the shelf guide is detached from the shelf receiver before the shelf interferes with the door. It can be easily removed from the storage room without being disturbed.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention (a is a perspective view showing an appearance of a duct cover, b is a perspective view showing an appearance of a shelf,
1c is an enlarged perspective view showing an Xc portion in FIG. 1b, and FIG.
(A) is an enlarged perspective view showing the Xd portion of (a).

FIG. 2 is a cross-sectional view showing a mounted state of the shelf board along a line X2 in FIG. 1;

FIG. 3 is a sectional view showing a fixed state of the duct cover taken along line X3 in FIG. 1;

4A is a cross-sectional top view showing a mounted state of a shelf board (a Xa view of FIG. 4B), and FIG. 4B is a longitudinal sectional side view showing a mounted state of a shelf board.

FIG. 5 is a longitudinal sectional side view showing the entire configuration.

FIG. 6 is a view corresponding to FIG. 2, showing a second embodiment of the present invention;

FIG. 7 is a perspective view showing the appearance of a shelf;

FIG. 8 is a view corresponding to FIG. 7, showing a third embodiment of the present invention.

FIG. 9 is a diagram showing a conventional example (a perspective view showing the internal configuration of a storage room and the appearance of a shelf plate).

FIG. 10 is a cross-sectional view showing the mounted state of the shelf along the line X10 in FIG. 10;

[Explanation of symbols]

17 is a refrigerator room (storage room), 21 is an R door (door), 36 is a duct cover, 40 is a cold air duct, 45 is a hook hole (opening), 46 is a shelf receiver, 47 is a shelf plate, and 52 is a claw portion. , 53 are shelf guides, and 59 is a hook hole (opening).

Claims (6)

[Claims] 1. A storage room having a front opening, a shelf receiver provided on both left and right side walls of the storage room and extending in the front-rear direction, a shelf plate supported on the both shelf receivers, and a rear of the storage room A duct cover that forms a cool air duct for cold air distribution in cooperation with a wall, wherein an opening is provided in one of the shelf plate and the duct cover, and the other of the shelf plate and the duct cover A refrigerator that is provided with a claw that wraps in a left-right direction with respect to a counterpart based on being inserted into the opening. 2. The refrigerator according to claim 1, wherein the height of the claw is smaller than the height of the opening. 3. A portion of the inner surface of the opening that comes into contact with the claw when the shelf is pulled out has a curved surface shape, and a portion of the claw that comes into contact with the inner surface of the opening when the shelf is pulled out is 3. The refrigerator according to claim 1, wherein the refrigerator has an inclined surface. 4. The refrigerator according to claim 1, wherein the opening has a cutout shape with an open upper surface. 5. The refrigerator according to claim 1, wherein the duct cover is fixed to a rear wall of the storage room at substantially the same height as the shelf plate. 6. The shelf board is provided with a shelf guide for preventing the shelf board from floating based on engagement with the shelf receiver, and the storage room is provided with a door for opening and closing the front surface of the storage room. The shelf guide according to any one of claims 1 to 5, wherein, when the shelf is pulled forward with the door open, the shelf is disengaged from the shelf receiver before the shelf interferes with the door. A refrigerator according to any of the above.