KR200472629Y1

KR200472629Y1 - Storage Device

Info

Publication number: KR200472629Y1
Application number: KR2020130002795U
Authority: KR
Inventors: 김인욱
Original assignee: 김인욱
Priority date: 2013-04-12
Filing date: 2013-04-12
Publication date: 2014-05-13

Abstract

The present invention relates to a cabinet, which includes a left support flange and a right support flange formed by bending a support plate and the support plate in parallel to each other, and arranged between the support plates, between the left support flanges and the right flanges, Wherein a left side support flange belonging to each shelf is formed with a left guide slot along a width direction of the support plate in a front region and a right support flange belonging to each shelf is formed in a front region A right guide slot is formed in line symmetry with the left guide ball; A movable support rod disposed at a rear portion of each of the movable support rods so as to be parallel to the movable support rod and at the same height as the left circular guide ball, And a pair of left support levers which are arranged in an X (X) -shaped shape so as to be able to adjust the angle of intersection by an external operation, wherein the left and right support flanges The left and right ends of the pair of movable support rods are connected to the left ends of the pair of movable support rods through the upper and lower ends of the left support levers, (X), and the angle of the intersection can be adjusted by an external operation A pair of right and left support levers, a pair of right and left support levers, and a pair of right and left support levers, And a right support leg rotatably coupled through upper and lower ends of the right support levers. As a result, the storage space can be reduced and a plurality of sheets can be stacked in a folded state.

Description

Storage Device {Storage Device}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage space, and more particularly, to a storage space having a plurality of shelves arranged so as to be arranged vertically and laterally.

BACKGROUND ART [0002] Storage cabinets are widely used for storing or placing objects, and storage cabinets having a plurality of shelves arranged so as to be vertically and horizontally arranged in order to increase the storage area are being used.

Fig. 14 is a perspective view of a conventional cabinet. Fig.

As shown in FIG. 14, the conventional storage cabinet includes four shelves 110 installed so as to be arranged vertically and horizontally, a left support portion 130 and a right support portion 130 which are installed to support the shelves 110 on the ground, 140).

The left support part 130 includes a left lower support pipe part 131 fixedly connected to the left end of the lower shelf 110 and a lower right support pipe part 131 arranged linearly on the left lower support pipe part 131 above the left lower support pipe part 131 A lower left sliding bar 134 installed to be inserted into the left lower support pipe 131 and the left intermediate support pipe 132 and a left upper support pipe 133 and a left upper support pipe 133, A left intermediate sliding bar 135 installed to be inserted into the pipe section 132 and the left upper support pipe section 133 and a left upper slide pipe 135 fixed to the top shelf and a lower area inserted into the left upper support pipe section 133, A left side tightening screw 137 coupled to the upper side of the left lower support tube part 131, the upper side area of the left intermediate support tube part 132 and the upper side of the left upper support tube part 133, I have.

The right support portion 140 includes a right lower support pipe portion 141, a right intermediate support pipe portion 142, a right upper support pipe portion 143, a lower right sliding bar (not shown) (Not shown), a right upper sliding bar (not shown), and a right tightening screw (not shown).

The left lower sliding bar 134 and the lower right sliding bar (not shown) are coupled to both sides of the shelf disposed second from the bottom, and the left intermediate sliding bar 135 and the right intermediate sliding bar (not shown) Are coupled to both sides of the shelf disposed third from the bottom.

A method of adjusting the height of a shelf disposed second below a conventional storage cabinet having such a configuration will be described below.

First, loosen the bottom left tightening screw (137) and the right tightening screw (not shown).

And raises the lower left sliding bar 134 and the lower right sliding bar (not shown) so that the second placed shelf rises to a desired height.

Finally, tighten the bottom left tightening screw (137) and the right tightening screw (not shown) again.

A conventional cabinet having the above-described configuration is disclosed in 2008 Application No. 31344 entitled " Enclosure capable of adjusting the height and width ".

However, according to the conventional storage space, since the shelves 110 can not be folded so that they can approach each other, a large storage space is required and a plurality of stacked sheets can not be stacked in a folded state.

Therefore, the object of the present invention is to provide a cabinet which can reduce storage space and can stack a plurality of folded sheets.

According to the present invention, each of the support plates and the right support flange are provided with a left support flange and a right support flange bent in parallel to each other from the support plate and the support plate, Wherein a left side support flange belonging to each shelf is formed with a left side guide slot along the width direction of the support plate in a front region and a right side support flange belonging to each shelf A right guide slot is formed in the front region so as to be in line symmetry with the left guide ball; A movable support rod disposed at a rear portion of each of the movable support rods so as to be parallel to the movable support rod and at the same height as the left circular guide ball, And a pair of left support levers which are arranged in an X (X) -shaped shape so as to be able to adjust the angle of intersection by an external operation, wherein the left and right support flanges A left support leg connected to the left end of each of the pair of movable support rods and each left end of the pair of fixed support rods via the upper end and the lower end of each of the left support levers, A pair of left and right support levers which are coupled to each other so as to adjust the angle of intersection, And a right support leg connected to the right end of each of the pair of fixed support rods via upper and lower ends of the right support levers. The left support flange belonging to the cabinet or the shelf has a left guide slot Wherein a shelf disposed at the top of the shelves is called an upper shelf and a shelf other than the upper shelf is a lower shelf, the left support flange belonging to the upper shelf is provided with a left support post Wherein the right side support flange of the right side support flange belonging to each shelf is formed so as to have a right side guide slot in the front region in line symmetry with the left guide pitch and the right side support flange belonging to the upper shelf, The right support pivot is in line symmetry with the left support pivot The lock is formed, and; A lower movable support bar which is installed to insert both ends into a left guide slot and a right guide slot belonging to each lower shelf, and a lower movable support bar which is installed to insert both ends into a right guide slot and a right guide slot belonging to the upper shelf, An upper fixed support rod disposed in the rear region of the support rod and disposed at the same height as the left support aids and supported at both ends of the left support flange and the right support flange belonging to the upper shelf, A lower stationary support bar disposed in the rear area in parallel with the lower movable support bar and disposed at the same height as the left circular guide bar and having both ends supported by a left support flange and a right support flange belonging to each lower shelf, So that the angle of intersection can be adjusted by an external operation Wherein the upper movable support bar and the lower movable support bar are respectively referred to as movable support rods and the upper fixed support rods and the lower fixed support rods are fixed support rods respectively, A pair of left and right support levers which are coupled to each other so as to be able to adjust the angle of intersection by an external operation and are provided at left ends of a pair of vertically adjacent movable support rods and at left ends of a pair of fixed support rods, And a pair of right support levers which are arranged in an X (X) shape and are coupled to each other so as to be able to adjust the angle of intersection by an external operation, And right support legs connected to the respective right ends of the pair of fixed support rods via upper and lower ends of the right support levers Wherein a left side support flange belonging to each shelf or a left support flange belonging to each shelf is formed with a left guide slot along the width direction of the support plate and a shelf disposed at the top of the shelves is called an upper shelf, The left support flange belonging to the upper shelf extends upward from the rear end of the left guide slot and the left support flange belonging to the upper shelf extends to the left support spindle, Is formed to be bent upward from the front end of the left guide slot; The right support flange belonging to each shelf is formed so that the right guide slot has a line symmetry with the left guide ball in the front region and the right support hole is formed in the right support flange belonging to the upper shelf so as to have line symmetry with the left support hole Wherein the right support flange belonging to the upper shelf is formed so that the right folding support punch is in line symmetry with the left folding support punch; A lower movable support bar which is installed to insert both ends into a left guide slot and a right guide slot belonging to each lower shelf, and a lower movable support bar which is installed to insert both ends into a right guide slot and a right guide slot belonging to the upper shelf, An upper fixed support rod disposed in the rear region of the support rod and disposed at the same height as the left support aids and supported at both ends of the left support flange and the right support flange belonging to the upper shelf, A lower stationary support bar disposed in the rear area in parallel with the lower movable support bar and disposed at the same height as the left circular guide bar and having both ends supported by a left support flange and a right support flange belonging to each lower shelf, So that the angle of intersection can be adjusted by an external operation Wherein the upper movable support bar and the lower movable support bar are respectively referred to as movable support rods and the upper fixed support rods and the lower fixed support rods are fixed support rods respectively, A pair of left and right support levers connected to the left and right ends of the pair of movable support rods so as to be able to adjust the angle of intersection by an external operation, And a pair of right support levers which are arranged in an X (X) shape and are coupled so as to be able to adjust the angle of intersection by an external operation, and a pair of upper and lower adjacent supports And a right support leg coupled to the right end of each of the support rods and the right end of each of the pair of fixed support rods via the upper end and the lower end of each of the right support levers The present invention is also achieved by a storage device characterized by:

Therefore, according to the present invention, the left support leg having a pair of left support levers arranged in an X (X) shape and the right support leg having a pair of right support levers arranged in an X- And the right guide slot and the right guide slot are formed on the shelf so that the left support leg and the right support leg can be unfolded and folded, and the movable support bar and the fixed support bar are installed on the shelf so that the shelves can be folded The storage space can be reduced and multiple pieces can be stacked in a folded state.

FIG. 1 is a perspective view of a cabinet according to an embodiment of the present invention, FIG.
FIG. 3 is a perspective view of a folding cabinet according to an embodiment of the present invention,
4 is an exploded perspective view of a cabinet according to an embodiment of the present invention,
5 is a longitudinal sectional view of a storage device according to an embodiment of the present invention,
FIG. 6 is a view showing the trajectory of the upper movable support bar during the unfolding operation of the storage space according to one embodiment of the invention;
7 is a view showing a positional relationship between a movable support rod and a fixed support rod in a collapsed state of a storage space according to an embodiment of the present invention;
FIG. 8 is a perspective view showing a combined state in which a cabinet according to another embodiment of the present invention is unfolded,
9 is a view showing the trajectory of the upper movable support bar during the unfolding operation of the storage space according to another embodiment of the present invention,
10 is a view showing a positional relationship between a movable support rod and a fixed support rod in a collapsed state of a storage space according to another embodiment of the present invention;
11 is an assembled perspective view of a storage compartment according to another embodiment of the present invention,
12 is a view showing the trajectory of the upper movable support bar during the unfolding operation of the storage space according to another embodiment of the present invention,
FIG. 13 is a view showing a positional relationship between a movable support bar and a fixed support bar in a collapsed state of a cabinet according to another embodiment of the present invention;
Fig. 14 is a perspective view of a conventional cabinet. Fig.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a perspective view of a folding cabinet according to an embodiment of the present invention. FIG. 4 is a perspective view of the folding cabinet according to one embodiment of the present invention. FIG. 5 is a vertical sectional view of a cabinet according to an embodiment of the present invention, and FIG. 6 is a perspective view illustrating a trajectory of the upper movable support bar during a spreading operation of a cabinet according to an embodiment of the present invention. And FIG. 7 is a view showing the positional relationship between the movable support bar and the fixed support bar in a folded state of the storage space according to an embodiment of the present invention.

As shown in these drawings, the storage cabinet according to one embodiment of the present invention includes three shelves 10 installed so as to be arranged vertically and laterally, upper movable support rods 21 provided on the shelf 10, The upper movable support bar 22 and the upper fixed support bar 23 and the lower fixed support bar 24 and the upper movable support bar 21, the lower movable support bar 22, the upper fixed support bar 23, Has a support leg (30) and two right support legs (40).

Each shelf 10 has a support plate 11 and a left support flange 12 and a right support flange 13 that are formed by being bent in parallel to each other from the support plate 11. A shelf disposed at the top of the shelves 10 is referred to as an upper shelf 10a and a shelf other than the upper shelf 10a is referred to as a lower shelf 10b.

The left support flange 12 belonging to each shelf 10 is formed with a left guide slot 12a in the front region along the width direction of the support plate 11. [

The left support flange 12 belonging to the upper shelf 10a is formed so as to extend upward from the rear end (the end adjacent to the upper fixed support rod) of the left guide slot 12a. Here, the term "extending in the upward direction" means that the upper portion has a section bent in the upward direction, and includes a case where the portion is bent in the upward direction and then bent forward (in the direction away from the upper fixed supporting bar).

The right support flange 13 of each shelf 10 is formed such that the right guide slot 13a is in line with the left guide slot 12a in the front region.

The right support flange 13 belonging to the upper shelf 10a is formed so that the right support aids 13b are in line symmetry with the left support aids 12b.

The shelf 10 having such a configuration is installed so that the support plates 11, the left support flanges 12 and the right support flanges 13 are arranged vertically and horizontally, respectively.

The upper movable support bar 21 is installed such that both ends thereof are inserted into the left guide slot 12a and the right guide slot 13a belonging to the upper shelf 10a.

The lower movable support bar 22 is installed such that both ends thereof are inserted into the left guide slot 12a and the right guide slot 13a belonging to each lower shelf 10b.

For convenience of explanation, the upper movable support rod 21 and the lower movable support rod 22 are referred to as movable support rods, respectively.

The upper fixed support rods 23 are arranged in the rear region of the upper movable support rods 21 so as to be aligned with the upper movable support rods 21 and at the same height as the left support aids 12b.

The upper fixed support bar 23 is installed so that both ends thereof are supported by the left support flange 12 and the right support flange 13 belonging to the upper shelf 10a.

The lower fixed support rods 24 are arranged in the rear region of the lower movable support rods 22 so as to be aligned with the lower movable support rods 22 and at the same height as the left side guide slots 12a.

The lower fixed support rods 24 are installed at both ends of the left support flange 12 and the right support flange 13 belonging to each lower shelf 10b. The upper fixed support bar 23 and the lower fixed support bar 24 may be fixed to the left support flange 12 and the right support flange 13 or may be rotatably installed.

For convenience of explanation, the upper fixed support rod 23 and the lower fixed support rod 24 are referred to as fixed support rods, respectively.

Each of the left support legs 30 has a pair of left support levers 31 arranged in an X (X) shape.

The pair of left support levers 31 are engaged through the left lever pin 31a in the crossing area. Thus, the pair of left support levers 31 can be adjusted in crossing angle by an external operation.

Each of the left support legs 30 having such a configuration is connected to each left end of a pair of vertically adjacent movable support rods and each left end of a pair of fixed support rods through an upper end and a lower end of each left support lever 31 do.

Here, the coupling of the left support lever 31 may be a fixed coupling type (welding or the like) or a pivotal coupling type (the left supporting lever is rotatable with respect to the movable supporting rod or the fixed supporting rod).

Each right support leg 40 has a pair of right support levers 41 arranged in an X (X) shape.

The pair of right support levers 41 are engaged through the right lever pin 41a in the crossing area. Thus, the pair of right support levers 41 can be adjusted in crossing angle by an external operation.

Each right support leg 40 having such a configuration is coupled to the right end of each of the pair of movable support rods adjacent to the upper and lower sides and the right end of each of the pair of fixed support rods through the upper end and the lower end of each right support lever 41 do.

Here, the engagement of the right support lever 41 may be made by a fixed engagement method (welding or the like) or a pivoting engagement method (the right support lever is rotatable with respect to the movable support rod or the fixed support rod).

A method of using the cabinet according to an embodiment of the present invention having the above-described configuration will now be described. For convenience of explanation, it is assumed that the left support leg 30 and the right support leg 40 are folded.

First, the upper shelf 10a is lifted upward while holding the lower shelf 10b. The upper movable support bar 21 and the lower movable support bar 22 move along the left guide slot 12a and the right guide slot 13a while lifting the upper shelf 10a upward, And the right support leg 40 are in an unfolded state. The upper movable support bar 21 finally reaches a position where it can enter the left support aids 12b and the right support aids 13b.

Next, the upper shelf 10a is slightly lowered so that the upper movable support bar 21 enters the left support aids 12b and the right support aids 13b.

The article can be placed on the shelf 10 in a state where the upper movable support bar 21 enters the left support aids 12b and the right support aids 13b.

The upper shelf 10a is moved upwards slightly so that the upper movable support bar 21 is separated from the left support aids 12b and the right support aids 13b when the cabinet according to the embodiment of the present invention is not used. Up.

Next, the upper shelf 10a is pressed toward the lower shelf 10b.

The upper movable support bar 21 and the lower movable support bar 22 move in the opposite direction along the left guide slot 12a and the right guide slot 13a while the upper shelf 10a is pressed downward, The left support leg 30 and the right support leg 40 are folded.

A gripping space 51 is formed between the upper shelf 10a and the lower shelf 10b in a state in which the left support leg 30 and the right support leg 40 are folded.

The left guide slot 12a and the right guide slot 13a are formed in the left support flange 12 and the right support flange 13 belonging to each shelf 10 while the upper guide shelf 12a and the right guide slot 13b are formed in the upper shelf 10a The left support pillar 12 and the right support flange 13 are provided with the left support pillar 12b and the right support pillar 13b to form the present invention. However, as shown in Fig. 8, The left folding support punch 12'c and the right folding support punch 13'c may be additionally formed on the left support flange 12 and the right support flange 13 belonging to the first support flange 10a to implement the present invention .

9 is a view showing the locus of the upper movable support bar during the unfolding operation of the cabinet according to another embodiment of the invention, and Fig. 10 is a view showing the locus of the upper movable support rod Fig. 8 is a view showing the positional relationship between the movable support bar and the fixed support bar in the collapsed state of the cabinet according to another embodiment of the present invention.

As shown in these drawings, the storage space according to another embodiment of the present invention includes a left side support flange 12 and a right side support flange 13 belonging to the upper shelf 10a, Has the same configuration as that of the cabinet according to the embodiment of the present invention, except that the right folded bore 13'c is additionally formed.

The left-handed lower-punch tongue 12'c is formed to be bent upward from the rear end of the left-hand side guide slot 12a.

The right-handed lower-pitching punch 13'c is formed to be in line-symmetry with the left-lower-pitching punch 12'c.

The storage space according to another embodiment of the present invention is configured such that when the left support leg 30 and the right support leg 40 are folded, the upper movable support bar 21 is pivoted in the left- and right- Can be used in the same manner as the cabinet according to an embodiment of the present invention, except that the cabinet is inserted into the cabinet 13'c.

When the upper movable support bar 21 is inserted into the left folding support punch 12'c and the right folding support punch 13'c as described above, when the left support leg 30 and the right support leg 40 are folded, The holding space 51 is not formed between the shelf 10a and the lower shelf 10b so that a plurality of storage spaces according to another embodiment of the present invention can be easily stacked.

In the above embodiment, the left guide slot 12a and the right guide slot 13a are formed in the left support flange 12 and the right support flange 13 belonging to each shelf 10, The left support pillar 12 and the right support flange 13 to which the right support pillar 12b and the right support pillar 13b are formed to form the present invention. However, as shown in Fig. 11, The left support flange 12 and the right support flange 13 belonging to the first support flange 10a can be designed without forming the left support holes and the right support holes 13b.

FIG. 11 is a perspective view of the upper movable support bar according to another embodiment of the present invention, and FIG. 12 is a view showing the locus of the upper movable support bar during the unfolding operation of the storage space according to another embodiment of the present invention. Is a view showing the positional relationship between the movable support rods and the fixed support rods in a collapsed state of the cabinet according to another embodiment of the present invention.

As shown in these drawings, the storage space according to another embodiment of the present invention includes a left support flange 12 belonging to the upper shelf 10a and a left support flange 12 and a right support flange 13, 13b are not formed and the upper fixing support bar 23 is installed on the upper shelf 10a so as to be disposed at the same height as the left guide slot 12a, And has the same configuration.

The upper movable support bar 21 is connected to both ends of the left guide slot 12a and the left guide slot 12a in a state in which the left support leg 30 and the right support leg 40 are folded and unfolded, But can be used in the same manner as the cabinet according to the embodiment of the present invention, except that it is inserted at both ends of the right guide slot 13a.

As described above, according to the embodiment of the present invention, the left support leg 30 having a pair of left support levers 31 arranged in an X (X) The right support leg 40 having the pair of right support levers 41 is employed as a means for supporting the shelf 10 and the unfolding operation and the folding operation of the left support leg 30 and the right support leg 40 are possible The left guide slot 12a and the right guide slot 13a are formed on the shelf 10 and the movable support rods 21 and 22 and the fixed support rods 23 and 24 are provided on the shelf 10, It is possible to reduce the storage space because they can be folded to each other to approach each other, and it is possible to stack a plurality of pieces in a folded state. A plurality of sheets can be stacked in a folded state, thereby reducing the space required for transportation or storage.

The left and right support aids 12b and 13b are formed on the upper shelf 10a and the upper fixed support bar 23 is placed on the upper shelf 10a so as to be disposed at the same height as the left support aids 12b. It is possible to prevent the upper shelf 10a from tilting downward in a state in which the left support leg 30 and the right support leg 40 are unfolded and the left support leg 30 and the right support leg 40, The gripping space 51 is formed between the upper shelf 10a and the lower shelf 10b to facilitate transportation.

Further, by forming the left folding press bore 12'c and the right folding bore 13'c on the upper shelf 10a, it is possible to easily stack a plurality of storage boxes.

10, 110: Shelf 11: Support plate
12: Left support flange 13: Right support flange
21: upper movable support rod 22: lower movable support rod
23: upper fixed supporting rod 24: lower fixed supporting rod
30: left support leg 31: left support lever
40: right support leg 41: right support lever
130: left support part 140: right support part

Claims

A plurality of shelves each having a left support flange and a right support flange formed by being bent in parallel to each other from the support plate and the support plate so as to be arranged vertically and horizontally between the support plates and between the left support flanges and between the right support flanges, In the storage space having the above-
The left support flange belonging to each shelf is formed with a left guide slot along the width direction of the support plate in the front area and the right support flange belonging to each shelf is formed so that the right guide slot is in line symmetry with the left guide slot ;
A movable support rod disposed at a rear portion of each of the movable support rods so as to be parallel to the movable support rod and at the same height as the left circular guide ball, And a pair of left support levers which are arranged in an X (X) -shaped shape so as to be able to adjust the angle of intersection by an external operation, wherein the left and right support flanges A left support leg connected to the left end of each of the pair of movable support rods and each left end of the pair of fixed support rods via the upper end and the lower end of each of the left support levers, A pair of left and right support levers which are coupled to each other so as to adjust the angle of intersection, A pair each of the right end of the fixed support bar of the cabinet, characterized in that it comprises a right supporting leg attached through the top and bottom of each of the right support lever.

A plurality of shelves each having a left support flange and a right support flange formed by bending the support plate and the support plate so as to be parallel to each other and arranged so as to be vertically spaced from each other between the support plates and between the left support flanges and between the right support flanges, In the storage device having the above-
The left support flange belonging to the shelf is formed with a left guide slot along the width direction of the support plate in the front region, and the shelf disposed at the top of the shelves is called an upper shelf, and the remaining shelves except for the upper shelf are called lower shelves The left support flange belonging to the upper shelf extends in the upward direction from the rear end of the left guide slot, and the right support flange belonging to each shelf has the right guide slot in the front area, And a right support hole is formed in the right support flange belonging to the upper shelf so as to form a line symmetry with the left support hole;
A lower movable support bar which is installed to insert both ends into a left guide slot and a right guide slot belonging to each lower shelf, and a lower movable support bar which is installed to insert both ends into a right guide slot and a right guide slot belonging to the upper shelf, An upper fixed support rod disposed in the rear region of the support rod and disposed at the same height as the left support aids and supported at both ends of the left support flange and the right support flange belonging to the upper shelf, A lower stationary support bar disposed in the rear area in parallel with the lower movable support bar and disposed at the same height as the left circular guide bar and having both ends supported by a left support flange and a right support flange belonging to each lower shelf, So that the angle of intersection can be adjusted by an external operation Wherein the upper movable support bar and the lower movable support bar are respectively referred to as movable support rods and the upper fixed support rods and the lower fixed support rods are fixed support rods respectively, A pair of left and right support levers which are coupled to each other so as to be able to adjust the angle of intersection by an external operation and are provided at left ends of a pair of vertically adjacent movable support rods and at left ends of a pair of fixed support rods, And a pair of right support levers which are arranged in an X (X) shape and are coupled to each other so as to be able to adjust the angle of intersection by an external operation, And right support legs connected to the respective right ends of the pair of fixed support rods via upper and lower ends of the right support levers The cabinet as claimed.

A plurality of shelves each having a left support flange and a right support flange formed by being bent in parallel to each other from the support plate and the support plate so as to be arranged vertically and horizontally between the support plates and between the left support flanges and between the right support flanges, In the storage space having the above-
A left side support flange belonging to each shelf is formed with a left guide slot along the width direction of the support plate, and a shelf disposed on the top of the shelves is referred to as an upper shelf and a shelf excluding the upper shelf is referred to as a lower shelf The left support flange belonging to the upper shelf extends in the upward direction from the rear end of the left guide slot and the left support flange belonging to the upper shelf is provided with a left folding support punch, Is formed to be bent upward from the front end;
The right support flange belonging to each shelf is formed so that the right guide slot has a line symmetry with the left guide ball in the front region and the right support hole is formed in the right support flange belonging to the upper shelf so as to have line symmetry with the left support hole Wherein the right support flange belonging to the upper shelf is formed so that the right folding support punch is in line symmetry with the left folding support punch;
A lower movable support bar which is installed to insert both ends into a left guide slot and a right guide slot belonging to each lower shelf, and a lower movable support bar which is installed to insert both ends into a right guide slot and a right guide slot belonging to the upper shelf, An upper fixed support rod disposed in the rear region of the support rod and disposed at the same height as the left support aids and supported at both ends of the left support flange and the right support flange belonging to the upper shelf, A lower stationary support bar disposed in the rear area in parallel with the lower movable support bar and disposed at the same height as the left circular guide bar and having both ends supported by a left support flange and a right support flange belonging to each lower shelf, So that the angle of intersection can be adjusted by an external operation Wherein the upper movable support bar and the lower movable support bar are respectively referred to as movable support rods and the upper fixed support rods and the lower fixed support rods are fixed support rods respectively, A pair of left and right support levers connected to the left and right ends of the pair of movable support rods so as to be able to adjust the angle of intersection by an external operation, And a pair of right support levers which are arranged in an X (X) shape and are coupled so as to be able to adjust the angle of intersection by an external operation, and a pair of upper and lower adjacent supports And a right support leg coupled to the right end of each of the support rods and the right end of each of the pair of fixed support rods via the upper end and the lower end of each of the right support levers A storage device characterized by.