KR20230076547A - A prefabricated bookshelf - Google Patents

Abstract

The present invention relates to a prefabricated bookshelf that can be assembled and converted into various shapes and uses according to a place of placement or a user's lifestyle because the stacking of shelves and the position of partitions can be easily and conveniently changed. To this end, the present invention includes at least one or more first support plates; at least one second support plate; And at least two or more shelves coupled to the upper and lower ends of the first and second support plates, respectively, wherein the first support plate is a side plate erected vertically with respect to the ground, and extending from the rear end of the side plate It is made of a thick plate bent to one side, and a pair of upper fastening pieces are provided at the upper end of the side plate, and a pair of legs and a pair of lower fastening pieces formed by bending the legs are provided at the lower end of the side plate. Fastening holes are formed on the upper fastening piece and the lower fastening piece, the second support plate has a shape mirror-symmetrical to the first support plate, and the pair of lower fastening pieces can be inserted and seated on the upper surface of the shelf. At least two pairs of seating grooves are spaced apart from each other, a fixing hole corresponding to the fastening hole is formed in the seating groove, and the first and second support plates are coupled and fixed by the shelf and the fixing member. A prefabricated bookshelf is provided.

Description

Prefabricated bookshelf{A PREFABRICATED BOOKSHELF}

According to the present invention, since it is easy and convenient to stack shelves and change the location of partitions, it can be assembled in various forms according to the user's lifestyle or place of placement, or the height of the bookshelf or the location of the partitions can be changed to make a living room cabinet, decorative cabinet, sliding door cabinet, etc. It is about a prefabricated bookshelf that can be used by converting.

Various technologies have been proposed with respect to a prefabricated bookshelf designed so that consumers can easily assemble all the components constituting the bookshelf in a prefabricated manner.

First, in Korean Utility Model Registration No. 20-0211411 (published on January 15, 2001), left and right supports, a number of vertical drilling holes vertically perforated on the side of the left and right supports, and between the left and right supports A prefabricated storage cabinet and bookshelf equipped with horizontal partitions installed horizontally in the space and fastening members that pass through the horizontal and vertical holes formed on the side surfaces of the left and right supports and are fastened to the fastening holes formed on the left and right outer surfaces of the horizontal partitions. This is disclosed.

In addition, Korean Utility Model Registration No. 20-0396462 (published on September 14, 2005) discloses a prefabricated bookshelf in which pinholes are drilled at the top and bottom of the side plates of the bookcase unit and pins of the same size are inserted to assemble in the height direction. Disclosed is a prefabricated bookshelf characterized in that it is configured to assemble upper and lower bookcase units with pins having a lower height and an extension corresponding to the height of the reduced side plate.

Korean Utility Model Publication No. 20-2009-0010325 (published on October 12, 2009) discloses a back reinforcing plate having a plurality of fastening holes, a front reinforcing wood fixed to the fastening holes of the back reinforcing plate by fasteners, and a support and pedestal. Disclosed is a prefabricated bookshelf composed of an integrally formed book stand, which facilitates disassembly and assembly of the bookshelf unit to improve handling and improved design.

Korean Patent Registration No. 10-1934029 (published on December 31, 2018) discloses that the first and second side frames, the first and second shelf frames, and the first and second decorative frames are quickly combined using the first and second connecting members. By improving the assembly structure, housewives at home can easily and conveniently assemble the bookshelf without the help of others, and the arrangement position of the first and second decorative frames installed between the first and second shelf frames can be adjusted according to the user's preference. There is disclosed a prefabricated bookshelf that can be transformed in various ways according to.

On the other hand, as single-person households, there is an increasing number of people who live in a small house such as a one-room house in the form of rent on a monthly basis, and they tend to move periodically according to fluctuations in rent on a monthly basis. This means that their living space and environment change in a short period of one to two years.

As the living space is changed due to moving, some of the previously used furniture such as bookcases, living room cabinets, and decorative cabinets may not be suitable for the new space or may cause difficulties in placement. Accordingly, there is a demand for the development of a new type of furniture that can be used by easily and conveniently changing the style and purpose according to the user's living space or lifestyle.

Republic of Korea Utility Model Registration No. 20-0211411 (2001.01.15. Notice) Republic of Korea Registered Utility Model No. 20-0396462 (Announced on September 14, 2005) Republic of Korea Utility Model Publication No. 20-2009-0010325 (published on October 12, 2009) Republic of Korea Patent Registration No. 10-1934029 (2018.12.31. Notice)

The present invention is to solve the above conventional problems, and it is possible to convert the use of a bookshelf or a living room cabinet by easily and conveniently adding or reducing the number of shelves according to the user's lifestyle and changing the height of the bookshelf, An object of the present invention is to provide a prefabricated bookshelf that can be easily converted into a sliding door cabinet or an atypical decorative shelf by adding a partition or changing its location.

In order to achieve the above object, the present invention provides at least one first support plate; at least one second support plate; and at least two or more shelves coupled to upper and lower ends of the first and second support plates, wherein the first support plate includes a square-shaped side plate erected vertically with respect to the ground, and a rear end of the side plate. It is made of a rectangular thick plate bent at 90 degrees to one side while extending from, and a pair of upper fastening pieces bent and extended to one side in a spaced apart state are provided at the upper end of the side plate, and spaced apart from each other at the lower end of the side plate. A pair of legs extending downward to a predetermined length, and a pair of lower fastening pieces bent 90 degrees to one side at the ends of the legs and extending, and the upper fastening piece and the lower fastening piece are provided with fixing members, respectively. Fastening holes passing vertically through which can be inserted are formed, the second support plate has a shape mirror-symmetrical to the first support plate, and the shelf has a rectangular flat plate shape, and the pair of lower fastening pieces are on the upper surface, respectively. At least two or more of a pair of recessed seating grooves are spaced apart from each other so that they can be inserted and seated therein, and a fixing hole that penetrates vertically corresponding to the fastening hole is formed in the seating groove. Provides a prefabricated bookshelf characterized in that the shelf and the fixed member coupled to each other.

Here, at the upper end of the side plate, when the shelf is coupled to the upper ends of the first and second support plates, a gap corresponding to one or the other side of the upper fastening piece is formed so that a gap is formed between the upper end of the side plate and the lower surface of the shelf. A connection piece insertion portion formed by cutting a portion of the upper end of the side plate may be provided.

At this time, when the shelves are connected to each other along the longitudinal direction, one shelf and the other shelf are connected and fixed to each other by the fixing member via a connecting piece, and the connecting piece is made of a plate-shaped metal material and fixes one shelf. A pair of coupling grooves corresponding to the hole and the fixing hole of the other shelf are spaced apart from each other and cut inward from one side, and between the coupling groove and the coupling groove, the side of the connecting piece insertion part can be inserted. A slit is cut out and disposed across the bottom of each shelf, and one side of the connecting piece insertion part may be inserted into the slit so that the upper surface of the connecting piece is in contact with the lower surface of the upper fastening piece.

In addition, at least one connection shelf in the form of a rectangular flat plate having a relatively shorter length than the shelf is included, and on the upper surface of the connection shelf, a pair of recesses are formed so that the pair of lower fastening pieces can be inserted and seated, respectively. At least two grooves are provided that are spaced apart from each other, fixing holes passing vertically corresponding to the fastening holes are formed in the seating grooves, and when the shelf and the connecting shelf are connected to each other along the longitudinal direction, the shelf is connected. The shelves are connected and fixed to each other by the fixing member via the connecting piece, and the connecting piece is located below the shelf and the connecting shelf so that the pair of coupling grooves correspond to the fixing hole of the shelf and the fixing hole of the connecting shelf. However, one side of the connecting piece insertion part located on the shelf side may be inserted into one of the slits so that the upper surface of the connecting piece is in contact with the lower surface of the upper fastening piece.

In addition, a spacer bushing may be interposed between the connecting shelf and the connecting piece so that a level difference does not occur between both shelves when the shelf and the connecting shelf are connected and fixed to each other via the connecting piece.

In addition, a step is provided inside the seating groove, and a closing cap coupled to the step and forming a plane with the upper surface of the shelf may be further included.

In addition, the upper and lower surfaces of one side of the shelf in the width direction may be provided with sliding door coupling grooves formed by concave edges along the length direction, respectively.

The prefabricated bookshelf according to the present invention is easy and convenient to stack the shelves and change the location of the partitions, and to expand and change the shelves, so that it can be changed to a low or high bookshelf according to the place of placement or the user's lifestyle, as well as a sliding door. It has the advantage of being able to be used by converting it into various forms and uses, such as a door cabinet, a living room cabinet, or a decorative cabinet.

1 is an exploded perspective view of a prefabricated bookshelf according to an embodiment of the present invention;
Figure 2 is a perspective view (a), a side view (b) and a plan view (c) illustrating the shape of the first support plate according to the present invention,
3 is a perspective view illustrating the shape of a second support plate according to the present invention;
4 is a plan, side and bottom view illustrating a shelf according to the present invention;
5 is a plan, side and bottom view illustrating a connecting shelf according to the present invention;
6 is an exploded perspective view illustrating a connection structure between a shelf and a connecting shelf according to the present invention;
7 is a view illustrating a plane of a connecting piece according to the present invention;
8 is a cross-sectional view illustrating a general assembled state of the shelf and the first / second support plates;
9 is a cross-sectional view illustrating a state in which a connecting piece is interposed when a shelf and first/second supporting plates are assembled;
10 is a view illustrating the front and side views of a bookshelf assembled with shelves and first and second support plates;
11 is a view illustrating the front and side views of a bookshelf assembled by coupling a sliding door to a sliding coupling groove;
12 is a view illustrating a front view of a prefabricated bookshelf expanded by adding a connecting shelf to the bookshelf of FIG. 11;

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention. This invention may be embodied in many different forms and is not limited to the embodiments set forth herein. In order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference numerals are given to the same or similar components throughout the specification.

First, Figure 1 is an exploded perspective view of a prefabricated bookshelf 100 according to an embodiment of the present invention, Figure 2 is a perspective view illustrating the shape of the first support plate 1 (a), viewed from the X direction of (a) These are the side view (b) and the plan view (c), and FIG. 3 is a view illustrating the shape of the second support plate (2).

The prefabricated bookshelf 100 according to the present invention includes at least one first support plate 1, at least one second support plate 2, and at least one coupled to upper and lower ends of the first and second support plates 1 and 2, respectively. It consists of two or more shelves (3).

The first and second supporting plates 1 and 2 are made of a metal material, and the shelf 3 may be made of a material such as hardwood or MDF, but the material is not limited to the above example.

The first support plate 1 includes a side plate 11 of a substantially square shape erected vertically with respect to the ground (bottom surface), and a back plate 12 of a substantially square shape bent at about 90 degrees to one side while extending from the rear end of the side plate 11 ) is made up of At the upper end of the side plate 11 of the first support plate 1, a pair of upper fastening pieces 13 bent to one side and extended in a state spaced apart from each other at a predetermined interval are provided.

On the other hand, when the shelf 3 is coupled to the upper end of the first supporting plate 1, one side of each upper fastening piece 13 creates a certain interval between the upper end of the side plate 11 and the lower surface of the shelf 3. Alternatively, a portion of the upper end of the side plate 11 corresponding to the other side is cut off to provide a connecting piece insertion portion 17.

The connecting piece insertion portion 17 provides a space into which the connecting piece 6, which will be described later, can be inserted without interfering with other components, and at the same time, one side of the connecting piece insertion portion 17 is inserted into the slit 63 of the connecting piece 6. It provides a structure that can be Accordingly, when connecting the two shelves 3 in the longitudinal direction or when connecting the shelf 3 and the connecting shelf 4 to be described later in the longitudinal direction, the shelf 3 and the shelf 3 or the connecting shelf 4 It can be connected and fixed stably.

At the lower end of the side plate 11, a pair of legs 14 are provided that are spaced apart from each other and extend downward to a predetermined length. In addition, each leg 14 is provided with a pair of lower fastening pieces 15 that are bent 90 degrees to one side at the end thereof and extended.

When the lower fastening piece 15 is inserted into the recessed seating groove 31 formed on the upper surface of the shelf 3 to be described later, the lower end of the side plate 11 is attached to the upper surface of the shelf 3 without a gap. It is formed extending as much as the depth of the seating groove 31 so as to be in close contact.

The upper fastening piece 13 and the lower fastening piece 15 are formed with fastening holes 16 penetrating vertically into which the fixing members 5 and 5' can be inserted, respectively. Meanwhile, the upper fastening piece 13 and the lower fastening piece 15 are provided in the same shape at positions corresponding to each other above and below the side plate 11 .

The upper fastening piece 13 and the lower fastening piece 15 are portions in contact with the shelf 3 disposed above the first support plate 1 and the shelf 3 disposed below the first support plate 1, respectively.

The fixing member (5, 5 ') is preferably made of a pair of connecting bolts and connecting nuts, but is not limited thereto, and various known fixing means may be used.

The second support plate 2 has a mirror-symmetrical shape with the first support plate 1 . That is, the second support plate 2 consists of a square-shaped side plate 21 erected vertically with respect to the ground and a square-shaped back plate 22 bent at approximately 90 degrees to one side while extending from the rear end of the side plate 21 At the upper end of the side plate 21, a pair of upper fastening pieces 23 bent to one side and extending are provided at the upper end of the side plate 21, and at the lower end of the side plate 21, a predetermined downward direction while spaced apart from each other. A pair of legs 24 extending in length and a pair of lower fastening pieces 25 formed by being bent 90 degrees to one side at the ends of the legs 24 and extending are provided.

The upper fastening piece 23 and the lower fastening piece 25 are provided in the same shape at positions corresponding to each other on the top and bottom of the side plate 21, and the upper fastening piece 23 and the lower fastening piece 25 each have a fixing member ( 5, 5') is formed through the upper and lower fastening holes 26 into which can be inserted.

The upper fastening piece 23 and the lower fastening piece 25 are portions in contact with the shelf 3 disposed above the second support plate 2 and the shelf 3 disposed below the second support plate 2, respectively.

In addition, when the shelf 3 is coupled to the upper end of the second supporting plate 2, one side of each upper fastening piece 23 creates a gap between the upper end of the side plate 21 and the lower surface of the shelf 3. Alternatively, a portion of the upper end of the side plate 21 corresponding to the other side is cut to form the connecting piece insertion portion 27. The role of the connecting piece insertion portion 27 is as described in relation to the first support plate 1 .

4 illustrates the top (i), side (ii) and bottom (iii) views of a shelf 3 according to one embodiment of the present invention. The shelf 3 is in the form of a substantially rectangular flat plate having a predetermined length, and a pair of recessed seating grooves 31 are provided on its upper surface so that the pair of lower fastening pieces 15 and 25 can be inserted and seated therein. .

One first or second support plate 1, 2 may be coupled to each pair of seating grooves 31, and it is sufficient that at least two or more pairs spaced apart from each other by a predetermined distance are provided. Preferably, as illustrated in FIGS. 1 and 4, the number of pairs of seating grooves 31 may be five, but is not limited thereto.

A step 33 is provided on the inside of the seating groove 31 . The step cap 7 may be combined with the upper surface of the shelf 3 and form a plane with the step 33. The finishing cap 7 serves as a finishing material to improve the aesthetics of the upper surface of the shelf 3 by covering the seating groove 31.

The closing cap 7 may be made of a synthetic resin material having elasticity, but the material is not limited thereto. In addition, in order to avoid interference with the legs 14 and 24 inserted into the seating groove 31, it is preferable that a coupling groove (not shown) is formed in the closing cap 7 by partially cutting one side of the edge inward.

Fixing holes 35 penetrating vertically corresponding to the fastening holes 16 and 26 formed in the upper fastening pieces 13 and 23 and the lower fastening pieces 15 and 25 are formed on the bottom surface of the seating groove 31 . Accordingly, the first and second support plates 1 and 2 and the shelf 3 can be combined and fixed with the fixing members 5 and 5' using the fastening holes 16 and 26 and the fixing holes 35. . 8 illustrates a cross section of a general assembled state of the shelf 3 and the first support plate 1 or the second support plate 2 described above.

On the other hand, the upper and lower surfaces of the shelf 3 in the width direction may be provided with sliding door coupling grooves 8 and 8' formed by recessing one edge along the longitudinal direction of the shelf 3, respectively.

When the two shelves (3) are assembled in two stages with the first and second support plates (1, 2) interposed therebetween, the upper surface sliding coupling groove (8) of the lower shelf (3) and the upper side are disposed. When the sliding door 9 is coupled to the sliding coupling groove 8 'on the lower surface of the shelf 3, it is possible to assemble the prefabricated bookshelf 100 in the form of a door cabinet.

11 illustrates and shows the front and side views of a prefabricated bookshelf 100 in which sliding doors 9 are coupled to sliding coupling grooves 8 and 8′. The sliding door 9 may slide in the longitudinal direction of the shelf 3 along the sliding coupling grooves 8 and 8'.

7 illustrates the structure of a connecting piece 6 according to an embodiment of the present invention. When the shelves 3 and the shelves 3 are connected to each other along the longitudinal direction, one shelf 3 and the other shelf 3 are connected and fixed to each other by the fixing members 5 and 5' via the connecting piece 6 It can be.

The connecting piece 6 is made of a plate-shaped metal material, and a pair of coupling grooves 61 corresponding to the fixing holes 35 of one shelf 3 and the fixing holes 35 of the other shelf 3 are spaced apart from each other. It is provided by being cut inward from one side.

Between the coupling grooves 61 and the coupling grooves 61, a pair of slits 63 into which side portions of the connecting piece insertion portions 17 and 27 can be inserted are cut inwardly from one side surface and provided.

The connecting piece 6 is disposed across the lower part of the two shelves 3 connected to each other, and the upper surface of the connecting piece 6 is in a state where one side of the connecting piece inserts 17 and 27 are inserted into the slit 63, respectively. It is arranged so as to come into contact with the lower surfaces of the upper fastening pieces 13 and 23.

5 is a view illustrating a plane (i), a side surface (ii) and a bottom surface (iii) illustrating a connection shelf 4 according to an embodiment of the present invention, and FIG. 6 illustrates a shelf 3 according to the present invention 9 is an exploded perspective view illustrating the connection structure of the connection shelf 4 and the connection piece 6 is interposed when the shelf 3 and the first or second support plates 1 and 2 are assembled. it is a cross section

The prefabricated bookshelf 100 according to another embodiment of the present invention includes at least one connection shelf 4. The connecting shelf 4 is used to extend the prefabricated bookshelf 100 in the transverse direction by assisting the shelf 3, and is formed in a rectangular flat plate shape having a relatively shorter length than the shelf 3.

On the upper surface of the connecting shelf 4, at least two or more pair of recessed seating grooves 41 spaced apart from each other are provided so that the pair of lower fastening pieces 15.25 can be respectively inserted and seated. Fixing holes 45 penetrating vertically corresponding to the fastening holes 16 and 26 are formed in the seating groove 41 . The structure and role of the seating groove 41 provided on the connecting shelf 4 is the same as the structure and role of the seating groove 31 provided on the shelf 3 .

When the shelf 3 and the connecting shelf 4 are connected to each other along the longitudinal direction, the shelf 3 and the connecting shelf 4 are connected by the fixing members 5 and 5' via the connecting piece 6 described above. are connected to each other.

That is, the connecting piece 6 is connected to the shelf 3 and the connecting shelf 4 so that the coupling grooves 61 correspond to the fixing holes 35 of the shelf 3 and the fixing holes 45 of the connecting shelf 4, respectively. It is disposed across the lower side of the shelf (3), and one side of the connecting piece insertion portion (17, 27) is inserted into one of the slits (63) so that the upper surface of the connecting piece (6) is the upper fastening piece (17, 27) It is arranged to be in contact with the lower surface of

When the first or second supporting plates 1 and 2 are disposed only on the side of the shelf 3 and the first or second supporting plates 1 and 2 are not disposed on the side of the connecting shelf 4, the connecting shelf 4 and A gap equal to the thickness of the upper fastening pieces 13 and 23 is formed between the connecting pieces 6. In this state, when the shelf 3 and the connecting shelf 4 are connected and fixed by the fixing members 5 and 5', a step occurs between the shelf 3 and the connecting shelf 4. To prevent this, a spacer bushing 65 may be inserted or interposed between the connecting shelf 4 and the connecting piece 6 so that a step does not occur between the shelf 3 and the connecting shelf 4. The spacer bushing 65 is illustrated as a disc shape having a through hole in the center in FIG. 6, but the shape is not limited to the example in the drawing, and various known materials or shapes are applicable.

10 is a view illustrating the front (i) and side (ii) of the bookshelf 100 assembled with the shelf 3 and the first and second support plates 1 and 2, and FIG. 11 shows the sliding door coupling groove 8, 8 ') is a view illustrating the front (i) and side (ii) of the prefabricated bookshelf 100 combined with the sliding door 9, and FIG. 12 is a prefabricated bookshelf expanded by adding the connection shelf 4 of FIG. It is a drawing illustrating the front of (100).

A shelf support 37 may be additionally provided on the lower surface of the shelf 3 disposed at the lowermost end of the prefabricated bookshelf 100 . The shelf support 37 serves to ensure that the prefabricated bookshelf 100 can be maintained horizontally and stably supported at the same time with respect to the floor. The shelf support 37 may be fixedly coupled to the fixing hole 35 of the shelf 3 using fixing members 5 and 5'. The shape, number, structure, etc. of the shelf supports 37 are not limited to the examples in the drawings, and various well-known shapes or structures can be adopted and applied as a matter of course.

On the other hand, since the prefabricated bookshelf 100 according to the present invention includes at least one or more first and second support plates 1 and 2, respectively, the first support plate 1 included when constructing the prefabricated bookshelf 100 and The number of second support plates 2 does not always have to be the same. That is, when it is not symmetrical or it is intended to be assembled in the form of an atypical ornamental cabinet, the first support plate 1 must be placed in place of the second support plate 2 at some of the positions or vice versa to be asymmetrical. Red, it is also possible to configure the prefabricated bookshelf 100 of an atypical shape.

As illustrated in each drawing, according to the present invention, the first and second support plates 1 and 2, the shelf 3 and the connecting shelf 4 are variously combined as needed to form a prefabricated bookshelf of the shape and purpose desired by the user ( 100) can be configured. As such, the prefabricated bookshelf 100 according to the present invention is easy and convenient to add or change the location of the stacking of shelves and partitions (first and second support plates), and the extension and change of the shelf 3 by adding the connection shelf 4 Since it is easy, it is possible to convert and use it in various forms and uses, such as a door cabinet attached with a sliding door 9, a living room cabinet, or a decorative cabinet, as well as a low bookshelf or a high bookshelf according to the placement place or the user's lifestyle.

In the above, although several embodiments of the present invention have been shown and described, it will be appreciated that those skilled in the art may modify the embodiments without departing from the spirit or spirit of the present invention. There will be. Therefore, the scope of the present invention is not limited to the described embodiments, and various modifications and variations can be made without departing from the spirit and scope of the present invention, and it should be said that such modifications or variations fall within the scope of the present invention. .

1: 1st support plate 2: 2nd support plate
11, 21: side plate 12, 22: back plate
13, 23: upper fastening piece 14, 24: leg
15, 25: lower fastening piece 16, 26: fastening hole
17, 27: connection piece insertion part
3: shelf 4: connecting shelf
31, 41: seating groove 33, 43: step
35, 45: fixed hole
37: shelf support
5, 5': fixing member
6: Connection
61: coupling groove 63: slit
65: spacer bushing
7: closing cap 8, 8 ': sliding door coupling groove
9: sliding door
100: bookshelf

Claims (7)

at least one or more first support plates; at least one second support plate; and at least two or more shelves coupled to upper and lower ends of the first and second support plates, respectively.
The first support plate,
It consists of a square-shaped side plate standing perpendicular to the ground and a square-shaped back plate bent at 90 degrees to one side while extending from the rear end of the side plate, and at the top of the side plate is bent to one side while being spaced apart from each other. A pair of upper fastening pieces are provided, and at the lower end of the side plate, a pair of legs extending downward to a predetermined length in a spaced apart state, and a pair of lower fastening pieces bent 90 degrees to one side at the ends of the legs and extending. A side is provided, and the upper fastening piece and the lower fastening piece are formed with fastening holes penetrating vertically into which a fixing member can be inserted, respectively,
The second support plate has a shape mirror-symmetrical to the first support plate,
the shelf,
In the form of a rectangular flat plate, at least two or more recessed seating grooves are provided on the upper surface and are spaced apart from each other so that the pair of lower fastening pieces can be respectively inserted and seated, and the seating grooves have upper and lower portions corresponding to the fastening holes. A fixing hole penetrated into is formed,
The first and second support plates are prefabricated bookshelf, characterized in that coupled and fixed by the shelf and the fixing member. The method of claim 1,
At the upper end of the side plate, when the shelf is coupled to the upper ends of the first and second supporting plates, a gap is formed between the upper end of the side plate and the lower surface of the shelf, so that the side plate corresponding to one side or the other side of the upper fastening piece is formed. A prefabricated bookshelf, characterized in that the connection piece insertion portion formed by cutting off a portion of the upper end of the. The method of claim 2,
When the shelves are connected to each other along the longitudinal direction, one shelf and the other shelf are connected and fixed to each other by the fixing member via a connecting piece,
The connecting piece,
It is made of a plate-shaped metal material, and a pair of coupling grooves corresponding to the fixing holes of one shelf and the fixing holes of the other shelf are spaced apart from each other and cut inward from one side, and between the coupling grooves and the coupling grooves, the above A pair of slits into which the side of the connecting piece insert can be inserted is cut out and disposed across the bottom of each shelf, and one side of the connecting piece insert is inserted into the slit so that the upper surface of the connecting piece is the top of the upper fastening piece. A prefabricated bookshelf, characterized in that arranged to be in contact with the lower surface. The method of claim 3,
At least one connection shelf in the form of a rectangular flat plate having a relatively shorter length than the shelf,
On the upper surface of the connection shelf, at least two or more of a pair of recessed seating grooves spaced apart from each other are provided so that the pair of lower fastening pieces can be respectively inserted and seated, and the seating grooves have upper and lower portions corresponding to the fastening holes. A fixing hole penetrated into is formed,
When the shelf and the connecting shelf are connected to each other along the longitudinal direction, the shelf and the connecting shelf are connected and fixed to each other by the fixing member via the connecting piece,
The connecting piece is disposed across the bottom of the shelf and the connecting shelf so that the pair of coupling grooves correspond to the fixing hole of the shelf and the fixing hole of the connecting shelf, and one side of the connecting piece insertion part located on the shelf side is A prefabricated bookshelf, characterized in that it is inserted into one of the slits and disposed so that the upper surface of the connection piece is in contact with the lower surface of the upper fastening piece. The method of claim 4,
A prefabricated bookshelf, characterized in that a spacer bushing is interposed between the connecting shelf and the connecting piece so that a step does not occur between both shelves when the shelf and the connecting shelf are connected and fixed to each other via the connecting piece. According to claim 1 or 4,
The prefabricated bookshelf further comprises a step provided inside the seating groove, and a closing cap coupled to the step and forming a plane with the upper surface of the shelf. The method of claim 1,
Prefabricated bookshelf, characterized in that the upper and lower surfaces of one side of the shelf in the width direction are provided with sliding coupling grooves formed by concave edges along the length direction, respectively.

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