JP5143530B2 - Bookcase - Google Patents

Description

  The present invention relates to a bookshelf that is installed in a library area such as a library and used to display books.

In a bookshelf used in a library or the like, since a large number of books are displayed, sufficient load bearing strength and rigidity are required.
Therefore, the conventional bookshelf connects the opposing surfaces of the upper and lower ends of a pair of left and right side plates erected on the floor surface by a top plate, a bottom plate, or a horizontal connection rod that forms part of a strength member. By fitting a rear plate (back plate) into the frame space at the rear end surrounded by each member, it is formed into a box shape with only the front opening, and the upper and lower shelves are formed by the opposing surfaces of the left and right side plates. In general, the plate is supported (see, for example, Patent Documents 1 to 3).
JP-A-8-70940 (FIG. 1) JP 2002-65371 A (FIGS. 1 and 12) JP 2006-130178 A (FIG. 1)

  When the bookcase is formed in a box shape whose front surface is open like the bookcases described in the above-mentioned Patent Documents 1 to 3, the top plate and the horizontal connection rod at the uppermost end of the bookcase have a high ceiling. In addition to blocking the illumination light from the room, there is no sense of opening at the top of the bookshelf, giving the user a feeling of pressure.

  Further, when the box-shaped bookshelf having an open front is used, as the height increases, the left and right side plates are more likely to bend, and the rigidity of the bookshelf may be reduced.

  The present invention has been made in view of the above problems, and has a highly rigid structure, but allows the illumination light from the ceiling and the rear to enter well, and opens the upper end and the rear so that the prospect can be improved. The purpose is to provide a bookshelf that can improve the feeling of pressure.

According to the present invention, the above problem is solved as follows.
(1) In a bookshelf in which opposing surfaces of left and right side plates are connected to each other by a connecting body and a plurality of upper and lower shelf plates are installed between opposing surfaces of both side plates, the upper part of the left and right side plates is placed on the uppermost shelf. A pair of left and right vertical gutters extending vertically above the plate and substantially vertically below the uppermost shelf, and a pair of upper and lower sides fixed to the upper and lower ends of both vertical gutters A vertical frame with a horizontal frame, and both vertical frames are fixed to the inner surfaces of the left and right side plates, and the lower surface of the uppermost shelf is connected to the upper horizontal plate of the connecting body. Contact the top surface.

(2) In the above item (1), the left and right vertical rods of the coupling body are fixed to the inner side surface of the central portion in the front-rear direction of the left and right side plates.

(3) In the above item (1) or (2), the lower surface of the central portion in the front-rear direction of the uppermost shelf is brought into contact with and fixed to the upper surface of the upper horizontal bar.

(4) In any one of the above items (1) to (3), at least the front and rear end portions of both side ends of the uppermost shelf are fixed to the inner side surfaces of the left and right side plates.

(5) In any one of the above items (1) to (4), the opposing surfaces at the lower ends of the left and right side plates are connected by a pair of front and rear horizontal connecting rods.

According to the first aspect of the present invention, the upper parts of the left and right side plates are extended upward from the uppermost shelf and the connecting body is disposed below the uppermost shelf. The upper part of the door is open upward and in the front-rear direction and does not block the illumination light from the ceiling.
In addition, since the upper part of the uppermost shelf is largely open, an atypical object such as a large book can be placed on the upper surface.
Furthermore, since the left and right vertical hooks of the connecting body having a rectangular frame shape are fixed to the inner side surfaces of the left and right side plates, there is no fear that both side plates will be bent, and a highly rigid book shelf can be provided.
Since the uppermost shelf is brought into contact with the horizontal ridge of the upper part of the connecting body, the load applied to the uppermost shelf is received and supported by the connecting body. Therefore, even if many books are placed on the uppermost shelf, there is no fear that it will bend downward.
Since the connected body has a square frame shape when viewed from the front, there is nothing to block the bookshelf in the front and back, this bookcase can be used from both the front and back, and the bookcase can be seen in the front and rear direction, and the illumination light is not Since it becomes easy to project on the shelf board of each step | level, even if it installs a bookshelf back and forth across a passage, there is no feeling of pressure.

  According to the invention described in claim 2, shelf boards having the same front and rear dimensions are installed on the front and rear facing surfaces sandwiching the connecting body in the left and right side plates, and both shelf boards can be used from both the front and rear directions of the bookshelf. The vertical positions of the front and rear shelf boards can be changed separately according to the size of the book.

  According to the third aspect of the present invention, the uppermost shelf is supported and fixed by the upper end of the coupling body in a well-balanced manner and the attachment strength is increased, so that more books and the like can be placed.

  According to the fourth aspect of the invention, the uppermost shelf board also serves as a connecting member that connects the upper ends of the left and right side plates, so that the rigidity of the bookshelf is increased.

  According to the fifth aspect of the present invention, since the opposing surfaces of the lower end portions of the left and right side plates are connected by the pair of front and rear horizontal connecting rods, the rigidity of the bookshelf is further increased.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a bookcase of the present invention installed in a library or the like, FIG. 2 is a front view, FIG. 3 is an exploded perspective view, and FIG.

  The bookshelf 1 is connected to a pair of left and right side plates 2 and 2 erected on the floor, and to the center of the opposing surfaces in the front-rear direction (hereinafter described with the right front in FIG. 1 as the front). A body 3, an upper surface plate 4 serving also as an uppermost shelf, and a plurality of upper and lower shelf plates 5 of the same size supported by front and rear opposing surfaces sandwiching the connecting body 3 in both side plates 2. .

  The left and right side plates 2 and 2 are made of a vertically long rectangular steel plate whose outer peripheral edge is bent outwardly inward and whose vertical dimension is larger than the vertical dimension of the coupling body 3. The three reinforcing members 6 facing in the vertical direction are spot welded to the lower end portion of the outer side surface and the reinforcing members 7 facing in the front-rear direction are respectively spot-welded to increase the bending rigidity of the entire side plate 2.

On the opposing surfaces of the lower ends of the left and right side plates 2, 2, two side ends of a pair of front and rear horizontal connecting rods 8, 8 facing in the left-right direction are respectively inserted in two screws 9 inserted from the outer surface of the side plate 2. , 9.
A decorative side plate 10 having the same size is screwed to the outer side surfaces of the side plates 2 by a plurality of screws 11 inserted from the inner side surfaces of the side plates 2.

  A pair of front and rear L-shaped adjuster mounting brackets 13 and 13 having a level adjustment adjuster 12 mounted on the inner side surface at the lower end of both side plates 2 are screws inserted from the outer surface of the side plate 2. 14 is fixed.

  The connecting body 3 includes a pair of left and right vertical rods 3a and 3a made of a rectangular tube and three horizontal tubes made of a rectangular tube that are fixed to the opposing surfaces of the upper and lower ends and the lower intermediate portion. The left and right side plates are formed by a plurality of upper and lower screws 15 that are formed in a rectangular frame shape with the flange 3b having a horizontal dimension that is substantially equal to the distance between the opposing surfaces of the left and right side plates 2. 2 is fixed to the inner surface of the central portion in the front-rear direction so as to be aligned with the lower surface of the side plate 2.

  The upper surface plate 4 is formed of a rectangular steel plate whose outer peripheral edge is bent inwardly, whose front-rear dimension is equal to that of the side plate 2 and whose left-right dimension is substantially the same as the dimension between the opposing surfaces of the side plates 2. Reinforcing members 16 and 17 facing in the left-right direction are spot welded to both the front and rear end portions and the center portion.

The top plate 4 is attached to the inner side surfaces of the left and right side plates 2 by four fixing brackets 18 having an inverted L shape when viewed from the front as follows.
As shown in some enlarged views of FIGS. 4 and 5, the inner side surfaces of the side plates 2 located slightly above the upper ends of the coupling bodies 3 are obliquely up and down so as to form a cross-section in a side view. A pair of front and rear long holes 19 and 19 that are inclined in the direction are formed, and the vertical pieces 18a of the fixing brackets 18 are inserted into the long holes 19 from the inside, and are formed on the opposing surfaces of the front and rear reinforcing members 6. Each fixing bracket 18 is attached to the side plate 2 with the horizontal piece 18 b protruding inward of the side plate 2 by being fixed by the set screw 20.

  The horizontal pieces 18b of each fixing bracket 18 are brought into contact with the opposing surfaces of the left and right ends of the opposing pieces 16a and 16a of the reinforcing members 16 and 16 on the front and rear of the top plate 4, and the welding nut 21 on the back surface of the opposing piece 16a By screwing and fixing the set screw 20, the upper surface plate 4 is attached to the inner surface of the both side plates 2 so that the lower surface of the reinforcing member 17 at the center is in contact with the upper surface of the connector 3. ing. Thereby, the upper parts of the left and right side plates 2 extend upward from the upper surface plate 4.

The front and rear facing pieces 16a and the upper half of the fixing bracket 18 are faced inward in the front-rear direction, that is, side surfaces so that the screwing operation of the facing pieces 16a to the horizontal pieces 18b can be easily performed from obliquely below the upper surface plate 4. It is inclined so as to form a letter C shape (see FIG. 5).
The reinforcing member 17 at the center of the upper surface plate 4 and the horizontal bar 3b at the upper end of the connecting body 3 may be fixed by screws inserted from below the horizontal bar 3b. Since the connection strength of the upper part of 2 becomes large, the rigidity of the whole bookcase 1 increases.

Each shelf plate 5 is formed by bending the outer peripheral edge of the steel plate inwardly downward, and at the front and rear ends of the left and right downward side pieces 5a, as shown in FIG. The locking grooves 22 and 22 and the side-inverted L-shaped locking grooves 23 and 23 are formed.
Reference numeral 24 denotes a book stopper piece fixed to the rear surface of each shelf board 5.

The front and back inner surfaces of the left and right side plates 2 sandwiching the connecting body 3 are provided with a large number of two rows of support holes 25, 25 in the front and rear, and selectively fitted into either of the front and back support holes 25, 25. By engaging the front and rear engaging grooves 22, 23 of the two downward-side pieces 5 a with the support pins 26, 26, the shelf plates 5 are changed in the vertical position by the opposing surfaces of the side plates 2. Supported as possible.
In addition, as shown by a two-dot chain line in FIG. 4, the shelf plate 5 is opposite in the front-rear direction, and the front and rear engaging grooves 22 and 23 in the downward-side piece 5a are vertically and vertically supported. By engaging with the pins 26, 26, the shelf board 5 can be supported in an inclined state.

As described above, in the bookcase 1 of the above-described embodiment, the upper portions of the left and right side plates 2 and 2 are extended above the upper surface plate 4, and the connecting body 3 is disposed below the upper surface plate 4. Therefore, the upper part of the bookshelf 1 is opened upward and in the front-rear direction, does not block the illumination light from the ceiling, and does not give the bookcase user a feeling of pressure.
Moreover, the connecting body 3 has a rectangular frame shape when viewed from the front, and not only can the book shelf 1 be seen in the front-rear direction, but also the illumination light shines on the shelf plates 5 at each stage, so the book shelves are installed at the front and rear with the passageway in between. But there is no sense of oppression.

Since the connection body 3 is fixed to the inner side surface of the center part of the both side plates 2 and there is no obstruction in the front and rear, the book shelf 1 can be used from both the front and rear sides, and the usability is improved.
Moreover, since the upper part of the upper surface plate 4 is largely open, an atypical object such as a large book can be placed on the upper surface. At this time, the reinforcing member 17 on the lower surface of the upper surface plate 4 is in contact with the upper surface of the connection body 3, and the load applied to the upper surface plate 4 is also received by the connection body 3, so that the upper surface plate may be bent downward. Absent.

  Furthermore, since the left and right vertical hooks of the connecting body having a rectangular frame shape are fixed to the inner side surfaces of the left and right side plates, there is no fear that both side plates will be bent, and a highly rigid book shelf can be provided.

  The lower ends of the left and right side plates 2 are connected to each other by two front and rear horizontal connecting rods 8, and the connection body 3 to which the both side plates 2 are fixed has a rectangular frame shape, and is opposed to the upper portion of the both side plates 2. Since the surfaces are connected by the upper surface plate 4, the rigidity of the bookcase 1 can be increased.

  In the above embodiment, the shelf plates 5 are arranged side by side and supported by the side plates 2, but a shelf plate having the same size as the top plate 4 is supported by the side plates 2 so as to straddle the vertical rod 3a. May be.

It is a perspective view which shows one Embodiment of the bookshelf of this invention. Similarly, it is an enlarged front view. Similarly, it is an exploded perspective view. Similarly, it is a central longitudinal section enlarged side view. It is an enlarged view of the A section of FIG.

Explanation of symbols

1 Bookcase 2 Side plate 3 Linked body 3a Longitudinal 3b Horizontal 4 Top plate
DESCRIPTION OF SYMBOLS 5 Shelf plate 5a Downward side piece 6, 7 Reinforcement member 8 Lateral connection rod 9 Screw 10 Make-up side plate 11 Screw 12 Adjuster 13 Adjuster mounting bracket 14 Screw 15 Screw 16 Reinforcement member 16a Opposing piece 17 Reinforcement member 18 Fixing bracket 18a Vertical piece 18b Horizontal piece 19 Long hole 20 Set screw 21 Weld nut 22 Locking groove 23 Locking groove 24 Stopper piece 25 Support hole 26 Support pin

Claims (5)

In a bookshelf in which the opposing surfaces of the left and right side plates are connected by a connecting body, and a plurality of upper and lower shelf plates are installed between the opposing surfaces of both side plates, the upper part of the left and right side plates is set higher than the uppermost shelf plate. A pair of left and right vertical gutters that extend upward and the connection body is substantially vertical below the uppermost shelf, and a pair of vertical gutters that are fixed to the upper and lower ends of both vertical gutters. The vertical gutters are fixed to the inner side surfaces of the left and right side plates, and the lower surface of the uppermost shelf is brought into contact with the upper surface of the upper horizontal gutter in the coupling body. A bookcase characterized by touching.   The bookshelf according to claim 1, wherein the left and right vertical hooks of the connecting body are fixed to the inner side surfaces of the center part in the front-rear direction of the left and right side plates.   The bookshelf according to claim 1 or 2, wherein the lower surface of the central portion of the uppermost shelf in the front-rear direction is fixed in contact with the upper surface of the upper horizontal bar.   The book shelf according to any one of claims 1 to 3, wherein at least front and rear end portions of both side ends of the uppermost shelf are fixed to inner surfaces of the left and right side plates.   The bookshelf in any one of Claims 1-4 formed by connecting the opposing surfaces of the lower end part in a right and left side board with a pair of front and back horizontal connection rods.

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