JP2000253968A - Rack device of showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rack device which allows expansion of an effective area within a showcase having freely drawable racks by increasing the interval between the racks. SOLUTION: This device applies to a showcase in which a longitudinally movable rack 3 is extended between each pair of right and left brackets 28 via slide rails 29. In that case, a connecting member 31 located beneath the rack 3 and extending between the right and left brackets 28 is provided and the connecting plate 30 of the connecting member 31 comprises upstanding walls formed on both sides and standing in approximately perpendicular directions and an upper wall interconnecting the upstanding walls.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shelf device which is installed in a showcase cabinet and can be pulled out.

[0002]

2. Description of the Related Art Conventionally, a showcase of this type is provided with a plurality of shelves for displaying products. These shelves are movable in the vertical direction by engaging and disengaging the brackets and the engaging holes of the shelf posts, but are generally fixed in the front-rear direction. However, since it is particularly difficult to display products at the back of the shelf, for example,
A movable shelf as disclosed in Japanese Patent No. 039,039 has been developed.

[0003] In this case, the shelf is attached to a bracket via a slide rail and can be pulled out freely.
A stopper is attached to the lower surface. And
A locking plate is provided on the bracket, and the stopper is elastically detachable from the locking plate by elasticity. And
When pulling out the shelf, use the elasticity of the stopper to disengage it from the locking plate, pull it out toward you, and push the shelf into the bracket side. The structure was held stably.

[0004]

By the way, in such a movable shelf, a connecting member extending between left and right brackets is provided below the shelf for the purpose of improving the overall strength or forming a cold air duct inside. Are mounted with a gap between the shelves, which reduces the space between the connecting members of the lower movable shelf and the upper possible shelf, thereby reducing the effective volume in the refrigerator and increasing the height of tall products. There was a problem that it was difficult to display.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional technical problem. In a showcase provided with a shelf which can be freely pulled out, the space between the shelves can be enlarged to increase the effective volume in the refrigerator. A shelf device is provided.

[0006]

A shelf device according to the present invention is applied to a showcase in which a pair of left and right brackets is provided with shelves movable in the front-rear direction via slide rails, and is located below the shelves. And a connecting member extending between the left and right brackets, the connecting member comprising an upright wall formed on both sides and standing substantially vertically, and an upper wall connecting the upright walls.

According to the present invention, a connecting member extending between the left and right brackets is provided on the lower side of the shelf which is movable in the front-rear direction via the slide rail on the pair of left and right brackets. And the upper wall that stands substantially vertically and the upper wall that connects between the upright walls, the effective volume in the showcase is expanded. In particular, since the volume is increased in the vertical direction, tall products can be displayed without any trouble, and the strength of the connecting member itself is improved.

According to a second aspect of the present invention, there is provided a shelf device for a showcase, wherein the lock member is rotatably attached to a rotating shaft provided on the shelf, and has a front end operating portion and a rear end hook portion. And an engaging hole formed in the upright wall of the connecting member, wherein the hook portion of the lock member is removably engaged when the shelf is pushed in, and a hook is provided in a direction in which the hook portion is always engaged with the engaging hole. And a biasing member for biasing.

According to the second aspect of the present invention, in addition to the above, a lock member rotatably attached to a rotation shaft provided on a shelf and having a front end operation portion and a rear end hook portion; An engaging hole formed in the upright wall of the connecting member, the hook portion of the lock member is removably engaged when the shelf is pushed in, and the hook portion is urged in a direction to always engage with the engaging hole. Since the urging member is provided, the hook of the lock member is engaged with the engaging hole by the urging force of the urging member when the shelf is pushed in, and the shelf is stably held in that state, If the operating member is operated to rotate the lock member against the urging force of the urging member, the engagement between the hook portion and the engaging hole is released, and the shelf can be pulled out.

At this time, since the engaging hole is formed in the upright wall of the connecting member, it is not necessary to attach a special engaging member for engaging and holding the hook member to the bracket or the like, thereby reducing the number of parts. It is possible to reduce costs and improve productivity.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of a showcase 2 to which the present invention is applied, FIG. 2 is a longitudinal side view of the showcase 2, and FIG.
4 is a longitudinal side view of the shelf device 1 of the showcase 2, FIG. 4 is another longitudinal side view of the shelf device 1, FIG. 5 is an exploded perspective view of the shelf device 1, and FIG. 7 is a vertical sectional front view of the side of the shelf device 1, FIG. 8 is a vertical side view of the shelf device 1 in a state where the shelf 3 is pulled out, and FIG. 9 is a lowermost shelf device 1A.
FIG. 10 is a perspective view of the state where the shelf 3 of the lowermost shelf device 1A is pulled out.

In each of the figures, the showcase 2 is composed of a heat insulating wall 5 having a substantially U-shaped cross-section opened to the front and side plates 15 attached to both sides of the main body 4. A partition plate 6 is disposed along the partition plate 6, and a duct 9 is formed between the partition plate 6 and the heat insulating wall 5. Also,
A deck pan cover 11 as a lower partition plate extending forward is provided at the lower end of the partition plate 6, and a storage room 8 is formed inside the partition plate 6 and the deck pan cover 11.

A shelf device 1A is provided on the deck pan cover 11 so as to be able to be pulled out forward, and a lower duct 12 is formed below the deck pan cover 11 so as to communicate with the duct 9 and constitute a part thereof. ing. The lower duct 12 is provided with a blower 14 for circulating cool air located below the deck pan cover 11, and a part of a refrigerant circuit of a cooling device is formed in the lower part of the duct 9 at the back. A cooler 13 is provided vertically.

A cool air discharge port 16 and a cool air suction port 17 communicating with the ducts 9 and 12 are formed at the upper and lower edges of the opening of the storage chamber 8, respectively. Then, when the blower 14 is operated, air is sucked from between the upper deck pan cover 11 and supplied to the cooler 13. The cool air cooled by the heat exchange with the cooler 13 passes through the duct 9 and is blown out from the cool air discharge port 16 at the upper edge of the opening to cool the storage room 8 while forming an air curtain at the opening. The cool air blown out in this way returns to the lower duct 12 from the cool air inlet 17 at the lower edge of the opening, and is sucked into the blower 14 again.

The shelf device 1A and the deck pan cover 11
A small gap is formed between them, and the deck pan cover 11 is further formed with a bottom cold air inlet 10 composed of a plurality of slits as shown in FIG. Therefore, the cool air circulated in the storage room 8 passes through the space between the shelf device 1A and the deck pan cover 11, and is also sucked into the blower 14 from the bottom cool air suction port 10.

Therefore, the amount of air suctioned by the blower 14 increases and the noise also decreases. In particular, when the shelf 3 of the shelf device 1A is pulled out as shown in FIG. 10, even if the upper portion of the cool air inlet 17 is closed by the shelf 3, the bottom cool air inlet 10 of the deck pan cover 11 is exposed. Therefore, the cooling air suction ability is not reduced.

On the other hand, a machine room 19 is formed below the heat insulating wall 5, and in the machine room 19, a compressor 20, a condenser 21 and a compressor 20, which together with the cooler 13, constitute a part of a refrigerant circuit of a cooling device. Condenser blowers 22, 22, an electrical component box 52, and the like are provided. The front of the machine room 19 is closed by a panel 53 so as to be openable and closable, and an outside air suction port 54 composed of a plurality of slits is formed on the left side from the center of the panel 53. In addition, electrical box 5
The operation unit 2 faces forward from the right side toward the outside air suction port 54.

On the back of the heat insulating wall 5, a back plate 5
7 is provided, and an exhaust passage 58 extending vertically is formed between the back plate 57 and the heat insulating wall 5. The lower end of the exhaust passage 58 communicates with the rear upper portion of the machine room 19, and the upper end of the exhaust passage 58 opens upward at an exhaust port 59.

When the condenser blowers 22 and 22 are operated, outside air is sucked into the machine room 19 from the outside air suction port 54 and is blown into the condenser 21. Air that has passed through the inside of the condenser 21 and air-cooled is supplied to condenser blowers 22 and 22.
From the rear, and is ventilated in the machine room 19. Then, the air whose temperature has risen enters the exhaust passage 58 from the rear upper part, rises, and is discharged from the exhaust port 59.

On the other hand, a plurality of shelves 1... Are installed vertically in the storage room 8. The shelf device 1 has a pair of left and right brackets 28, 28 having hook-like claws 27 projecting rearward at a rear end thereof, and a fixed side 29A of the bracket 28 is screwed inside an inner surface plate 28A of the bracket 28. The slide rail 29 and the movable side 29B of the slide rail 29 are screwed to the side wall 3A so that the bracket 2
A shelf 3 movably supported in the front and rear directions at 8 and 28;
5 and the like.

Shelf posts 25 are attached to both sides of the front surface of the partition plate 6 in the storage room 8, and a plurality of engaging holes 2 are vertically arranged at predetermined intervals.
4 are provided. And the adjacent shelf support 2
The shelves 3 are erected in two rows and two stages on the left and right between 5, 25. The brackets 28, 28 are provided with the claws 27,.
5 is removably held by the shelf support 25 by being inserted into the engagement holes 24.

A connecting plate 30 is screwed over the inner plates 28A, 28A of the pair of brackets 28, 28, and the brackets 28, 28 are connected to each other by this connecting plate 30 to reinforce. Is done. A connecting member 31 is formed by the inner plates 28A, 28A and the connecting plate 30, and the connecting member 31
Are located at a predetermined interval below, and a cool air passage 32 is formed between them.

Reference numeral 34 denotes a cover for concealing a screw attached to the outside of the bracket 28. Further, as shown in FIG.
Is formed so as to rise in a direction away from the vicinity of the inner surface of the inner plate 28A, so that the connecting plate 30 is located at a position higher than the lower end of the inner surface plate 28A.

By forming the inclined surface 33, the circulation of the cool air in the storage room 8 is made smoother and not inclined as compared with, for example, the case where the storage room 8 is started up vertically.
The effective storage volume of the storage room 8 is expanded as compared with the case where the apparatus does not start up. Also, the appearance is improved.

The connecting plate 30 has a substantially portal shape as a whole as shown in the cross section of FIG. 7, and has a horizontal lower wall 36 on both side ends and an upright standing substantially vertically from inside the lower walls 36. It is composed of a wall 37 and an upper wall 38 connecting the upright walls 37, 37. Then, the lower wall 36 is attached to the inner surface plate 28.
The connection plate 30 is attached between the two brackets 28 by screwing to the upper end of the inclined surface 33 of A.

By forming the upright wall 37 on the connecting plate 30, the strength of the connecting plate 30 itself is improved, and the distance between the shelf 3 of the lower shelf device 1 and the connecting plate 30 is increased. , The effective storage volume is further expanded. As a result, there is no hindrance particularly when placing tall products on the lower shelf 3.

A through hole 39 is formed in the partition plate 6, and the through hole 39 communicates with the rear end of the cool air passage 32. Further, since the front end of the cool air passage 32 is open at the outlet 40, the cool air blown up in the duct 9 passes through the cool air passage 32 from the through hole 39 as shown by an arrow in FIG. From the outlet 40 of the storage chamber 8.

In the front of the upright wall 37 of the connecting plate 30, a horizontally long engaging hole 56 is formed. On the other hand, a crank-shaped mounting plate 41 is welded and fixed to both front portions on the lower surface of the shelf 3, and a regulating member 42 and a locking member 43 are mounted on each of the mounting plates 41, 41. The rotating shaft 4 is attached to the mounting plate 41.
The lock shaft 43 is inserted into the through hole 43A of the lock member 43. This allows
The lock member 43 is rotatably supported in a horizontal direction orthogonal to the axial direction of the rotation shaft 44.

An operating portion 47 is provided at the front end of the lock member 43.
A hook-shaped hook portion 48 is formed at the rear end for removably engaging the engagement hole 56. The rear surface of the hook portion 48 has an inclined surface having a rear portion on the outside. Have been. In this case, the width of the lock member 43 around the through hole 43A is expanded concentrically as shown in FIG. 6, thereby reinforcing around the through hole 43A. The operation portion 47 is formed upright (bent) on a surface outside the front end of the lock member 43.

The vertical wall 4 outside the lock member 43
A leaf spring 51 as an urging member is attached to 3B. The leaf spring 51 extends obliquely rearward and outward, and slidably contacts the side surface 3A of the shelf 3.

On the other hand, the regulating member 42 is bent in a substantially U-shape that opens downward below the rotating shaft 44, and has a horizontal regulating surface 42A formed at the tip. The restricting surface 42A slidably abuts on the upper surface of the lock member 42, or faces the upper surface in close proximity to each other and extends left and right.

The vertical wall 43B of the lock member 43 is shown in FIG.
The hook 48 is engaged with the engagement hole 56 as shown in FIG.
That is, at an initial position in the front-back direction in which the shelf 3 moves, the shelf 3 is in contact with the side surface of the regulating member 42. Accordingly, the lock member 43 is prevented from rotating any further counterclockwise in FIG.

The shelf device 1A also comprises the shelf 3, slide rails 29, connecting plates 30 and the like, and the slide structure and the structure of the lock member 43 are the same as those of the shelf device 1.

With the above configuration, when the shelf 3 is pushed into the storage room 8 as shown in FIG. 3, the hook portion 48 of the lock member 43 is connected to the upright wall 37 of the connecting plate 30 as shown in FIG.
Is engaged with the engaging hole 56. At this time, the leaf spring 51 is in contact with and stretches against the side surface 3A of the shelf 3, and constantly urges the lock member 43 to rotate counterclockwise around the rotation shaft 44 in FIG. Therefore, the hook portion 48 is urged by the leaf spring 51 so as to always engage with the engagement hole 56.

Thus, the shelf 3 is stably held,
It is also possible to prevent the shelf 3 from accidentally moving to the near side when a customer takes out a product.

Next, when pulling out the shelf 3 from the inside of the storage room 8, the operation unit 47 of the lock member 43 is moved inward (FIG.
In FIG. 6, the leaf spring 5 is pushed clockwise in FIG.
If the lock member 43 is rotated against the urging force of 1, the hook portion 48 separates from the engagement hole 56, and their engagement is released. In this state, the shelf 3 becomes free and can be moved to the near side as shown in FIG.

Thereafter, when the shelves 3 are pushed in again to return to the storage room 8, the hook portions 4 of the lock members 43 are eventually formed.
8 comes into contact with the front edge of the upright wall 37. At this time, the lock member 43 contacts the side surface of the regulating member 41,
Since it is in the initial position by being urged by the leaf spring 51, the inclined surface of the hook portion 48 comes into contact with the front edge of the upright wall 37. Therefore, when the shelf 3 is further pushed in, the lock member 43 is smoothly rotated clockwise in FIG. 6 against the urging force of the leaf spring 51.

When the hook 48 reaches the engaging hole 56, the hook 48 engages with the engaging hole 56, and thereafter the shelf 3 is stably held by the urging force of the leaf spring 51 as described above. (FIG. 6).

During the operation of the lock member 43, the restricting surface 42A of the restricting member 42 is slidably abutted on or close to the lock member 43, and the restricting surface 42A is Since they are perpendicular to each other, the rotation of the lock member 43 is maintained in the rotation plane (horizontal plane) by the restriction surface 42A. Accordingly, the operation of the lock member 43 is stabilized, and the engagement and disengagement with the engagement hole 56 is ensured and smooth, so that the stability and operability of the shelf device 1 can be significantly improved.

Further, since the operation portion 47 is formed upright (bent) on the surface outside the front end of the lock member 43, the direction in which the operation portion 47 is pushed (inside) is clear to the user, and the operability is improved. improves.

[0041]

As described above in detail, according to the present invention, a pair of left and right brackets is provided with a connecting member extending between the left and right brackets below a shelf which is movable in the front-rear direction via a slide rail. Since this connecting member is composed of the upright walls formed on both sides and standing substantially vertically, and the upper wall connecting the upright walls, the effective volume in the showcase is expanded. In particular, since the volume is increased in the vertical direction, tall products can be displayed without any trouble, and the strength of the connecting member itself is improved.

According to the second aspect of the present invention, in addition to the above, a lock member rotatably attached to a rotation shaft provided on a shelf and having a front end operation portion and a rear end hook portion, An engaging hole formed in the upright wall of the connecting member, the hook portion of the lock member is removably engaged when the shelf is pushed in, and the hook portion is urged in a direction to always engage with the engaging hole. Since the urging member is provided, the hook of the lock member is engaged with the engaging hole by the urging force of the urging member when the shelf is pushed in, and the shelf is stably held in that state, If the operating member is operated to rotate the lock member against the urging force of the urging member, the engagement between the hook portion and the engaging hole is released, and the shelf can be pulled out.

At this time, since the engaging hole is formed in the upright wall of the connecting member, it is not necessary to attach a special engaging member for engaging and holding the hook member to the bracket or the like, thereby reducing the number of parts. It is possible to reduce costs and improve productivity.

[Brief description of the drawings]

FIG. 1 is a perspective view of a showcase to which the present invention is applied.

FIG. 2 is a vertical sectional side view of a showcase to which the present invention is applied.

FIG. 3 is a vertical sectional side view of a shelf device of a showcase to which the present invention is applied.

FIG. 4 is another vertical side view of the shelf device.

FIG. 5 is an exploded perspective view of the shelf device.

FIG. 6 is an enlarged plan sectional view of a front portion of the shelf device.

FIG. 7 is a vertical sectional front view of a side portion of the shelf device.

FIG. 8 is a longitudinal sectional side view of the shelf device in a state where the shelf is pulled out.

FIG. 9 is a perspective view of the lowermost shelf device.

FIG. 10 is a perspective view of a state where a shelf of a lowermost shelf device is pulled out.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1A shelf apparatus 3 shelf 28 bracket 28A inner surface plate 29 slide rail 30 connecting plate 31 connecting member 33 inclined surface 37 upright wall 38 upper wall 42 regulating member 42A regulating surface 43 lock member 44 rotation axis 47 operating part 48 hook part 51 Leaf spring 56 engagement hole

Continuing on the front page (72) Inventor Zenichi Kakinuma 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Kazuo Ogawa 2-5-5-1 Keihanhondori, Moriguchi-shi, Osaka No. Sanyo Electric Co., Ltd. (72) Hiroshi Hayashi 2-5-5 Keihanhondori, Moriguchi-shi, Osaka F-term in Sanyo Electric Co., Ltd. (reference) 3B110 CA10 FA02 GA28 JA09 JA13

Claims (2)

[Claims] 1. A showcase comprising a pair of left and right brackets on which shelves movable in the front-rear direction are mounted via slide rails, comprising: a connecting member positioned below the shelves and extending between the left and right brackets; The showcase shelf device, wherein the connecting member includes an upright wall formed on both sides and rising substantially vertically, and an upper wall connecting the upright walls. 2. A lock member rotatably attached to a rotation shaft provided on a shelf, the lock member including a front end operating portion and a rear end hook portion, and a lock member formed on an upright wall of a connecting member, wherein the shelf is formed. An engaging hole with which the hook portion of the lock member is removably engaged when the lock member is pushed in, and an urging member which constantly urges the hook portion in a direction in which the hook portion is engaged with the engaging hole. The shelf device for a showcase according to claim 1, wherein: