JP2007000614A - Desktop shelf of studying desk - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a desktop shelf of the studying desk in which the book stand and the shelf plate can be rearranged, wherein the efficiency of housing books, notebooks, files or the like and cases of CDs and DVDs can be made maximum and especially books in A4 size can efficiently be housed by allowing to freely change the attaching height of a book stand and a shelf plate corresponding to a housing form. <P>SOLUTION: The book stand and the shelf plate are freely detachably mounted inside an internal space formed of both side plates, a back plate and a fixed shelf plate provided on the upper part, and the desktop shelf is mounted on the top plate rear part of the studying desk. The back plate is provided with a first support means for detachably locking a locking means provided on the back surface of the book stand in multiple stages in the range of the vertical pitch of 95-100 mm, and the book stand is attached to the back plate so that the height is adjustable in four stages to be able to secure the space of A4 size at the lower part of the book stand. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a desk shelf of a learning desk, and more particularly to a desk shelf of a learning desk that can be rearranged with a book stand or a shelf board.

  2. Description of the Related Art Conventionally, a desk shelf for a learning desk capable of rearranging a book stand and a shelf board has been provided. For example, Patent Document 1 discloses a desk shelf in which a bookcase and a shelf board are detachably mounted in an internal space formed by both side boards and a back board, and placed on the back of the top of a learning desk, A partition plate is fixed at the center of both side plates, and supports can be detachably attached to the inner side of both side plates facing the inside space and both sides of the partition plate, respectively, and the bookcase and shelf plate Is substantially the same in width and can be supported by the same support tool, and detachably supports both side portions of the book stand by one of the side plates and a support tool attached to the lower stage of the partition plate facing the side plate, A desk shelf of a learning desk, wherein both sides of the shelf board are detachably supported by a support member attached to the other side plate and a lower stage of the partition plate facing the other side board, and the book stand and the shelf board can be rearranged left and right. It is disclosed.

  Moreover, in patent document 2, in the desk which attached the shelf apparatus provided with the left and right main side board, the shelf board, and the back board on the desk top board so that attachment or detachment was possible, it arrange | positions in the front surface of the back board in the said shelf apparatus. A plurality of separation book stands are detachably connected to at least the back plate through engagement means, and an intermediate shelf is provided between the side plates of the separation book stand or between the side plates of the separation book stand and the inner surface of the main side plate. A desk having a shelf device that is detachably mounted is disclosed.

In these publications, the mounting position of the bookcase and the shelf board (intermediate shelf board) can be changed in the horizontal direction, and the installation height of the shelf board (intermediate shelf board) can be changed. The mounting height could not be changed. In such a desk shelf, the size of books such as books, notebooks, and files stored in a bookcase or a shelf board is A6 (A row 6 is the same in the following), B6 (B row 6 is the same in the following), There are many types such as A5, B5, A4, and B4, and various storage forms such as placing them sideways are possible, and there are even cases such as CD and DVD cases. In order to accommodate these articles efficiently, it is necessary to optimize the vertical height of the accommodation space, but conventional desk shelves did not have such a function that allows such fine height adjustment.
Japanese Patent No. 3577955 JP 2005-052296 A

  Therefore, in view of the above-described situation, the present invention intends to solve the problem of freely changing the mounting height of the bookshelf or shelf according to the accommodation form in the desk shelf of the learning desk where the bookstand or shelf can be rearranged. It is possible to maximize the accommodation efficiency of books such as books, notebooks, files, etc. and CD and DVD cases, and in particular, a learning desk that can efficiently store A4 size books. The point is to provide a desk shelf.

  In order to solve the above-mentioned problems, the present invention has a bookshelf and a shelf that are detachably mounted in an internal space formed by both side plates, a back plate, and a fixed shelf provided at the top, and the top plate of the learning desk. A plurality of stages of first support means for detachably locking the locking means provided on the back of the book stand to the back plate, the vertical pitch being in the range of 95 to 100 mm. And a desk shelf for a learning desk is provided in which the book stand is attached to the back plate so that the height can be adjusted in four stages so that a space of A4 size can be secured below the book stand (Claim 1).

  Here, it is preferable that the main frame is one in which a mounting plate is connected to the lower part of both side plates, a back plate is connected to the rear, and a drawer is provided between the side plates below the mounting plate. Claim 2).

  Further, the first support means is a horizontally long slit hole, a plurality of slit holes are arranged in a row at the same height position, and the locking means of the main stand is a hook that is locked to the slit hole, It is preferable that the attachment position of the book stand can be changed in the left-right direction.

  More specifically, the upper edge of the back plate has a non-linear shape, and five steps of horizontally elongated slit holes are formed at a constant pitch as the first support means below the upper edge. 4).

  Alternatively, the upper edge of the back plate has a linear shape, the upper edge functions as the uppermost first support means, and four steps of horizontally long slit holes as the first support means are provided at a constant pitch below the upper edge. (Claim 5).

  In the desk shelf of the learning desk according to the first aspect of the present invention, the first support means for detachably locking the locking means provided on the back of the book stand to the back plate is provided with a vertical pitch of 95 to 100 mm. In order to be able to secure an A4 size space below the main stand, the main stand is attached to the back plate so that the height can be adjusted in four steps. If the bookcase is attached to the uppermost stage even on the shelf, an A4 size space can be secured also below the bookcase. Of course, if the bookcase is attached using the first supporting means below, the A4 is positioned above the bookcase. A space of size can be secured. In addition, by setting the vertical pitch of the first support means in the range of 95 to 100 mm, it is possible to attach the bookshelf and the shelf board to a height that can efficiently store the articles of various specified sizes from A6 to B4. is there.

  According to the second aspect, the book stand is configured such that the placement plate is connected to the lower part of the both side plates and the back plate is connected to the rear part, so that the books are arranged and accommodated in the same manner as a normal book stand. In addition, since the drawer is provided between the side plates below the mounting plate, small items can be accommodated.

  According to the third aspect of the present invention, it is possible to simply provide the first locking means for locking the hooks of the main frame by simply forming the horizontally long slit holes in the panel plate, and the panel having a large number of slit holes formed. The board is lightweight and has excellent appearance. Furthermore, the mounting position in the lateral direction of the main stand can be changed.

  According to claim 4, since the upper edge of the back plate has a non-linear shape, the user can be prevented from accidentally locking the locking means (hook) of the main stand to the upper edge of the back plate, It harmonizes with the appearance of a desk shelf that is rounded throughout.

  According to claim 5, the upper edge of the back plate has a linear shape, and the upper edge functions as the uppermost first support means, so that the main frame can be attached to the back plate so that the height can be adjusted in four stages. In addition, the number of slit holes formed below the upper edge is reduced by one and the processing of the upper edge is easy, so that an increase in cost can be suppressed.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. 1 and 2 show a desk shelf of a learning desk according to the present invention, FIGS. 3 to 13 show details thereof, FIGS. 14 to 16 show examples of arrangement, reference numeral 1 in the figure denotes a desk shelf, The learning desk, 3 is a side plate, 4 is a back plate, 5 is a container (main stand), and 6 is a shelf plate.

  The desktop shelf 1 according to the present invention is used by being placed on the rear part of the top plate of the learning desk 2, and the container 5 and the shelf are placed in the internal space formed by the side plates 3, 3 and the back plate 4. The plate 6 can be detachably mounted, the mounting position of the container 5 and the shelf plate 6 can be changed, and the shelf plate 6 can be divided into small shelf plates 61 and 62. In this case, each of the small shelves 61 and 62 can be mounted in combination with the container 5 similarly to the shelf 6 and the mounting height is also changed.

  More specifically, the desktop shelf 1 may be any structure as long as it has a side plate 3 and 3 and a back plate 4 between its rear ends, and the lower shelf 1A and the upper shelf 1B as in this embodiment. The upper shelf 1B can be placed and connected to the upper part of the lower shelf 1A, and the upper shelf 1B can be removed and used only by the lower shelf 1A. In this embodiment, only the lower shelf 1A is targeted, but is not particularly limited. Further, in the present embodiment, as the container 5, as shown in FIGS. 3, 5, and 8 to 11, a main stand (hereinafter denoted by reference numeral 5) is exemplified. The book stand 5 has a mounting plate 8 connected to the lower part of the side plates 7, 7, a rear plate 9 connected to the rear part, and a drawer 10 provided between the side plates 7, 7 below the mounting plate 8. Further, the partition plate 11 is erected on the upper intermediate portion of the mounting plate 8. In addition, as another example of the container 5, only the drawer 10 is provided with respect to the receiving body whose upper surface is the mounting plate 8 and provided with the guide plates on both sides, or the mounting plate 8 is partitioned. The thing of the structure where only the board 11 stood is mentioned. That is, in the present invention, the structure of the container 5 is not limited as long as the container 5 has a certain storage function and can have a function of supporting the end portion of the shelf board 6. In addition, the shelf plate 6 may have a structure in which a drawer is provided on the lower surface side. When the placement plate 8 and the shelf plate 6 are provided at the same height, the shelf plate 6 A mode in which the drawer on the lower surface side and the drawer 10 of the bookcase 5 are connected in a horizontal row is possible.

  As shown in FIGS. 3 to 5, the desk shelf of the learning desk according to the present invention includes one or two containers 5 in the internal space formed by the side plates 3, 3 and the back plate 4. A shelf 1 on which a shelf 6 is detachably mounted and placed on the back of the top of the learning desk 2, and the locking means 12 provided on the back of the container 5 can be attached to and detached from the back plate 4. The first support means 13 comprising a hole or a rail to be engaged with the first support means 13 is provided so that the mounting position of the container 5 can be changed in the left-right direction, and the shelf plate 6 is disposed between the side plate 3 and the container 5 or It can be mounted between the containers 5 and 5 mounted at intervals. As the first support means 13, in addition to holes or rails, protrusions and hooks may be formed vertically and horizontally.

  Specifically, as shown in FIGS. 3 and 5, the first support means 13 is a horizontally long slit hole (hereinafter denoted by reference numeral 13) formed in the back plate 4 and has the same height. Three slit holes 13,... Are lined up at the position, or two slit holes 13, 13 are lined up at the same height as shown in FIG. Here, when three slit holes 13,... Are arranged at the same height position, a long slit hole 13A is formed in the central portion, and short slit holes 13B, 13B are formed on both sides thereof. The long slit hole 13A is approximately twice as long as the short slit hole 13B. When two slit holes 13 and 13 are arranged at the same height, long slit holes 13A and 13A are formed so as to be symmetrical on both sides. And the said latching means 12 of the said container 5 (main stand 5) is a hook (henceforth the code | symbol 12) latched to the said slit hole 13, and the attachment position of the container 5 can be changed in the left-right direction. It is said. Here, the horizontal width of the hook 12 is slightly narrower than the horizontal width of the slit hole 13B, and the shelf board 6 and other book stands 5 are present on the side of the book stand 5 with the hook 12 locked to the slit hole 13B. Even if not, it is set so as not to move greatly in the horizontal direction. The hook 12 may be divided into left and right, but it is sufficient that the outer dimensions of both ends of the hook 12 as a whole substantially match the lateral width of the slit hole 13B.

  Further, as shown in FIG. 3, on the inner surface of the side plate 3, there are provided second support means 15 for mounting a support 14 for detachably supporting the edge of the shelf plate 6, and both sides of the container 5. The surface is provided with third support means 16 for mounting a support 14 for detachably supporting the edge of the shelf board 6. Specifically, the second support means 15 and the third support means 16 are a pair of support holes (hereinafter denoted by reference numerals 15 and 16 respectively) arranged in parallel at the same height position, and the support tool 14. Is a wire dowel (hereinafter represented by reference numeral 14), and both support shafts 14A, 14A of the wire dowel 14 are detachably fitted into both the support holes 15, 15 or the support holes 16, 16, and the shelf 6 The both ends of the shelf board 6 are supported by engaging the main body portion 14B of the wire dowel 14 with the engagement groove 17 formed on the end surface of the dowel 14 and facing backward. In the present invention, a pin dowel may be used instead of the wire dowel 14, and the second support means 15, the third support means 16 and the support tool 14 may have other structures.

  Further, as shown in FIG. 4, the shelf plate 6 may be structured such that it can be divided into small shelf plates 61 and 62 at the left and right central portions and can be connected as an integrated shelf plate 6. That is, the shelf board 6 is composed of the small shelf boards 61 and 62 having the same width and the coupling tool 63, and one end portion of each of the small shelf boards 61 and 62 is detachably coupled by the coupling tool 63. Each of the small shelves 61 and 62 is formed with engaging grooves 17 and 17 on both end surfaces so that both ends can be supported using the wire dowels 14 in the same manner as the shelf 6. Yes. In the present embodiment, the connector 63 is a member obtained by bending a metal plate into a side view L-shape, and has a horizontal plate portion 64 and a vertical plate portion 65, which are connected to the small shelf plates 61 and 62, respectively. The horizontal plate 64 can be screwed to the lower surfaces of the small shelf plates 61, 62 with screws 66,. A concave step portion 67 for receiving the horizontal plate portion 64 of the connector 63 is formed on the lower surface of the small shelf plates 61, 62, and urine nuts 68,... For screwing the screws 66 are embedded. It is preferable. In addition, it is also preferable that connection pins 69 and 69 are detachably attached to the connection surfaces of the small shelf boards 61 and 62 so as to increase the connection strength. In place of the connecting pin 69, the wire dowel 14 can be used. The small shelf boards 61 and 62 can be mounted between the side plates 3 and the containers 5 or between the containers 5 and 5 mounted at intervals.

  Further, as shown in FIG. 3, first support means 13 comprising horizontally long slit holes for detachably locking the locking means 12 provided on the back surface of the bookcase 5 to the back plate 4 of the desk shelf 1, Are provided in multiple stages at regular intervals (pitch H), and second support means 15 are attached to the inner surface of the side plate 3 to support the support 14 for detachably supporting the edge of the shelf 6. 3rd support means 16, which is provided in multiple stages at every (pitch H), and is mounted on the outer surface of both side plates 7, 7 of the bookcase 5 so as to detachably support the edge of the shelf plate 6. Are provided in multiple stages at regular intervals (pitch H), and the upper and lower pitches on which the first support means 13, the second support means 15 and the third support means 16 are all made coincident.

  In this embodiment, the two narrow bookcases 5 and 5 and the shelf plate 6 are used, and the interval between the side plates 3 and 3 of the desktop shelf 1 and the two narrow bookcases 5 and 5 are set. The sum of the lateral widths and the lateral width of the shelf board 6 are substantially matched. Here, as shown in FIGS. 5 and 14, the hook 12 of the narrow bookcase 5 can be locked in the short slit hole 13 </ b> B, and one side of the bookcase 5 is attached to the side plate 3 of the desk shelf 1. It can be mounted with the side plate 7 in contact. In this case, a mode is possible in which the bookcase 5 is attached to the slit holes 13B, 13B on both sides, and the connected shelf boards 6 are attached between the opposite side plates 7, 7 of the bookcases 5, 5 on both sides. In addition, as shown in FIG. 15, if the hook 12 of the narrow bookcase 5 that is narrowed toward one side is engaged with the long slit hole 13A in the central portion, the same as that attached to the short slit hole 13B on the outer side. It can be mounted in close contact with the book stand 5. In other words, the two bookshelves 5 and 5 are attached to the side plates 3 on the left and right sides of the desktop shelf 1, and the connected shelf is placed between the other side plate 3 and the side plate 7 of the central bookcase 5. 6 is possible.

  Next, based on FIG. 16, an example of use using the two narrow bookcases 5 and 5 and the shelf plate 6 that can be divided will be described. In this case, the distance between the side plates 3 and 3 of the desktop shelf 1, the width of the two narrow bookcases 5 and 5 and the sum of the widths of the shelf plates 6 are substantially matched, and the width of the bookcase 5 is further increased. And the horizontal widths of the small shelf boards 61 and 62 are substantially matched. FIG. 16 (a) shows that the hooks 12 of the narrow bookcase 5 are locked in the short slit holes 13B and 13B on both sides, respectively, and the support holes 16 of the side plates 7 and 7 facing each other. 16 shows a mode in which the line dowels 14 are mounted and the connected shelf boards 6 are mounted. Further, as shown in FIG. 16 (b), the narrow bookcases 5 and 5 can be mounted side by side in the long slit hole 13A at the center, so that the separated small shelf board 61 is attached. A mode in which the small shelf plate 62 is mounted between the side plate 7 of the book stand 5 facing the other side plate 3 while being mounted between the side plate 3 of the book stand 5 facing the one side plate 3 is possible. . Furthermore, as shown in FIG. 16C, a mode in which the separated small shelf boards 61 and 62 and the two book stands 5 and 5 are alternately mounted is also possible.

  Further, details of the present embodiment will be described with reference to FIGS. First, as shown in FIG. 5, the shelf plate 6 is supported between one side plate 3 and the side plate 7 of the bookcase 5 or between the side plates 7 and 7 of the bookcases 5 and 5 on both sides. The height of the upper surface of the shelf plate 6 is set to be slightly lower than the lower edge of the slit hole 13, and any one of the slit holes 13 and the horizontally long opening 18 formed on the back surface of the bookcase 5 The slit hole 13 always exists behind the upper surface of the mounting plate 8 and the shelf plate 6 regardless of the manner in which the bookcase 5 and the shelf plate 6 are mounted. It can be used as an insertion hole for wiring cords. Also, by setting such an arrangement, when viewed from the front, the slit holes 13,... Have substantially the same vertical width in the exposed portion, so that design uniformity is maintained and the overall appearance is maintained. It contributes to the improvement.

  Here, as shown in FIGS. 8 to 11, the main frame 5 is configured such that a curtain plate 19 is connected between lower portions of the rear ends of the both side plates 7, 7, and the upper edge of the curtain plate 19 is connected to the mounting plate 8 described above. The above-mentioned horizontally long opening 18 is formed between the upper edge of the curtain plate 19 and the lower edge of the back plate 9. Then, a wide hook 12 formed by bending a metal plate into a substantially U-shaped cross section is attached to the upper back of the curtain plate 19, and the hook 12 is inserted into a predetermined slit hole 13 from the front. The book 5 is mounted at a predetermined height while being locked to the edge. Here, the support strength of the book stand 5 is sufficient even with the hook 12 alone, but it can be easily detached from the back plate 4 if the book stand 5 is lifted. In order to restrict the movement, as shown in FIGS. 5 to 8, a hat-shaped fixture 20 is inserted from the rear of the lower slit hole 13, and the upper and lower edges of the fixture 20 are placed on the upper and lower edges of the rear surface of the slit hole 13. In a state where the pieces are in contact with each other, screws are removably attached to the lower part of the back surface of the curtain plate 19 of the book 5 from the rear. In other words, the hook 5 and the fixing bracket 20 are attached to the two vertically adjacent slit holes 13 and 13 for attaching the bookcase 5 to the back plate 4, respectively. When there are steps, the main stand 5 can be adjusted in three steps in the vertical direction. If the view is changed, the height of the main stand 5 can be changed by the number of plate portions between the two slit holes 13 adjacent to each other in the vertical direction.

  As described above, in the present invention, the bookshelves 5, 5 and the shelf board 6 are connected to the desktop shelf by using the first support means 13, the second support means 15, and the third support means 16 formed at the same pitch in the upper and lower stages. In the accommodation space formed by the both side plates 3 and 3 and the back plate 4, each is mounted at a desired height. For this purpose, first, the positions of the two bookshelves 5 and 5 in the left-right direction are determined, then the respective mounting heights are determined, and the corresponding first support means 13 (slit hole 13) is provided with a locking means 12 ( The hook 12) is locked. In this state, the main stand 5 can move in the left-right direction along the slit hole 13. Accordingly, the main stand 5 is moved so that a space for mounting the shelf plate 6 can be secured, and then the second support means 15 (support holes 15, 15) and third support means 16 (support holes 16, 15) having a predetermined height are moved. 16) is selected, the support 14 (wire dowel 14) is attached, and finally the shelf board 6 is inserted from the front, and the main body of the wire dowel 14 corresponding to the engaging grooves 17 and 17 on both end faces respectively. The part 14B is received and supported. In the present embodiment, the first support means 13 and the second support means 15 are provided in four stages in the vertical direction, and the third support means 16 is provided in three stages in the vertical direction. In the present embodiment, since the lowermost first support means 13 cannot lock the locking means 12 of the bookcase 5, there are three selectable mounting heights of the bookcase 5 (three-stage heights). On the other hand, there are three attachment heights that can be selected for the shelf 6 depending on the number of the third support means 16, but since the height of the main stand 5 can be changed, the maximum second support means 15 can be changed. There are four ways. Here, when the bookcase 5 is mounted at the lowest position, the lowermost third support means 16 and the lowermost second support means 15 have the same height.

  Thus, the desktop shelf 1 attached to the learning desk 2 has A6 (105 mm × 148 mm), B6 (128 mm × 182 mm), A5 (148 mm × 210 mm), B5 (182 mm × 257 mm), A4 (210 mm × 297 mm). , B4 (257 mm × 364 mm) books, notebooks, files, etc., CD and DVD cases (124 mm × 142 mm), MD cases, etc. may be accommodated vertically and horizontally. The accommodation form may be placed on the placement plate 8 of the bookcase 5, placed on the shelf 6, or placed directly on the top plate of the learning desk 2. It is desirable to be applicable to the form. Thus, in consideration of the size of books and the like, in the present invention, the vertical pitch H at which the first support means 13, the second support means 15 and the third support means 16 are provided is in the range of 95 to 100 mm. It is set to a constant value. Actually, the pitch H is set to 98 mm.

  Here, based on FIGS. 5-8, the whole structure of the said desktop shelf 1 is demonstrated a little in detail. The upper shelf 1B connects the fixed shelf 22 between the side plates 21 and 21, and connects the back plate 23 between the rear ends, and the upper surface of the fixed shelf 22 and the back plate 23 at the left and right central portions. The both side plates 21 and 21 are placed on the upper ends of the side plates 3 and 3 of the lower shelf 1A and are connected and integrated by appropriate connecting means. Here, in the lower shelf 1A, the back position of the back plate 4 is set slightly forward from the rear ends of the side plates 3 and 3, and the lower end of the back plates 4 and 3 A reinforcing member 4A is provided between them to increase the strength, and at the upper part, angle brackets 4B,... Are fixed between the rear end portions of the back plate 4 and the inner rear end portions of the side plates 3 for reinforcement. ing. An opening 25 is formed between the back plate 4 of the lower shelf 1A and the back plate 23 of the upper shelf 1B, and the column 27 of the lighting device 26 is attached to the back surface of the back plate 4 of the lower shelf 1A in an upright state. The arm 28 extending forward from the upper end of the column 27 is caused to appear forward from the opening 25, and the left and right central portions of the lamp 29 are supported at the tip of the arm 28.

  Further, the back plate 23 of the upper shelf 1B is separated into an upper back plate 23A and a lower back plate 23B, and the upper edge of the lower back plate 23B is located slightly above the upper surface of the fixed shelf plate 22, In the upper back plate 23A, slit holes 30 and 30 having the same vertical width as the slit hole 13 are formed on both sides of the fixed partition plate 24, and between the upper back plate 23A and the lower back plate 23B. Is provided with a horizontally long opening 31. And in the said upper shelf 1B, the small shelf board 32 is attached between the side board 21 and the fixed shelf board 22 so that height adjustment is possible using the said wire dowel. Also in this case, the slit hole 30 is positioned slightly above the upper surface of the small shelf board 32, and the wiring cord of the printer P placed on the small shelf board 32 is connected to the slit hole 30 as shown in FIG. Can be wired through. Here, the shelf board 6 and the small shelf board 32 may be the same, and the shelf board 6 removed from the lower shelf 1A may be attached to the upper shelf 1B. When the shelf plate 6 is attached to the uppermost position of the lower shelf 1A, a 15-inch liquid crystal monitor M can be placed below the shelf plate 6 (see FIG. 2).

  In this embodiment, the partition plate 11 can be detachably attached to the book stand 5 at any position in the left-right direction. The partition plate 33 having the same shape as the partition plate 11 is attached to the lower shelf. It can be attached to the back plate 4 using the upper and lower slit holes 13 of 1A, and can also be attached using the slit hole 30 and the horizontally long opening 31 of the upper shelf 1B. For this purpose, a common anchor 34 as shown in FIGS. 12 and 13 is used. The anchoring tool 34 is a synthetic resin molded product, and has an attachment portion 35 attached to the rear end face of the partition plate 11 or the partition plate 33, and a locking portion 36 formed above the attachment portion 35, and at the lower portion. A stop portion 37 is formed. The locking portion 36 of the anchoring tool 34 has a downward hook that can be locked from above to the upper edge of the back plate 9 of the bookcase 5 or the lower edge of the slit hole 13 formed in the back plate 4 of the lower shelf 1A. 36A is formed, and an upward hook 36B that can be locked from below is formed on the upper edge of the slit hole 30 of the upper shelf 1B above the downward hook 36A. Further, the retaining portion 37 of the engaging tool 34 has an upper surface of a lower edge of the back plate 9 of the book stand 5, an upper edge of the slit hole 13 below the back plate 4, and a horizontally long opening 31 of the upper shelf 1B. A contact surface 37A that contacts the upper edge from below is formed, and a shallow engagement portion 37B extending in the lateral direction is formed on the lower surface.

  And in order to attach the said partition plate 11 to the back plate 9 of the main stand 5, in the state which pushed down the partition plate 11 slightly back in the state which fastened the engaging tool 34 to the rear end of this partition plate 11, After the downward hook 36A provided on the locking portion 36 of the anchoring tool 34 is locked to the upper edge of the back plate 9 from the front side, the lower portion of the partition plate 11 is pushed rearward, whereby the locking portion 37 is pressed. Is positioned below the back plate 9, and the abutment surface 37A is abutted against the lower edge of the back plate 9 to prevent the partition plate 11 from coming off (see FIGS. 8 and 13 (b)). . In this state, the lower edge of the partition plate 11 is placed on the upper surface of the mounting plate 8 described above. Next, as shown in FIG. 5, in order to attach the partition plate 33 to the back plate 4 in the space below the shelf plate 6 mounted at the third level, the partition plate 33 is slightly rearward as described above. The hook 36A is inserted into the second-stage slit hole 13 from the front side and is locked to the lower edge, and then the lower part of the partition plate 33 is pushed backward. The stopper portion 37 is inserted into the first-stage slit hole 13, and the contact surface 37A is disposed so as to face the upper edge of the slit hole 13. At this time, if an elastic body is attached to the abutting surface 37A, the elastic body is always pressed against the lower edge of the back plate 9 and the upper edge of the slit hole 13, so that the partition plate 11, 33 can be supported. On the other hand, in order to attach the partition plate 33 to the upper shelf 1B, with the partition plate 33 tilted, the upward hooks 36B provided in the locking portions 36 of the engaging tool 34 are provided in the slit holes 30 provided in the back plate 23. While being locked to the upper edge, the partition plate 33 is raised and the stopper 37 is inserted into the horizontally long opening 31, and the contact surface 37 A is positioned below the upper edge of the horizontally long opening 31. The lower edge of the partition plate 33 is placed on and supported by the upper surface of the fixed shelf plate 22.

  Although not shown, the present invention is also applicable to the case where the first support means 13 is composed of two long slit holes 13A and 13A, and one wide bookcase 5 is attached to each slit hole 13A. is there. Here, in this case, the lateral width of the bookcase 5 and the lateral width of the shelf board 6 are substantially half of the interval between the side plates 3 and 3 of the desktop shelf 1. In this example, in addition to a mode in which the left and right positions of the normal bookcase 5 and the shelf board 6 are changed, a mode in which the small shelf boards 61 and 62 are mounted on both sides of the bookcase 5 mounted in the center portion is possible.

  Here, based on FIG. 14 and FIG. 15 of embodiment using two narrow bookshelf 5,5 and the shelf board 6, the example of arrangement | positioning for accommodating books of various sizes is demonstrated easily. To do. FIG. 14 shows a mode in which the lower shelf 1A has bookcases 5 and 5 arranged on both sides and a shelf plate 6 arranged in the middle, both of the bookcases 5 and 5 having the same height and two steps from the bottom. It is set to the eyes so that the CD case can be stored vertically, and the shelf 6 is attached to the third level from the bottom, and the B6 books can be stored vertically below the shelf 6 A4 books can be accommodated above 6. In addition, since the height of the mounting plate 8 and the shelf plate 6 of the bookcase 5 is the same, the bookcase 5 can also accommodate A4 books. Further, in the upper shelf 1B, the small shelf 32 is attached to the upper stage, and the CD case can be accommodated on the fixed shelf 22 below.

  FIG. 15 shows an aspect in which two book stands 5 and 5 are arranged close to the right side, and a shelf board 6 is arranged between the side plate 3 and the side plate 7 of the book stand 5 on the left side. This is an example in which the second stage from the bottom is installed, the left bookcase 5 is installed in the third stage from the bottom, and the shelf board 6 is installed in the uppermost stage (fourth stage). In this case, a CD case can be accommodated under the right bookcase 5, and A4 books can be accommodated above the placement plate 8. In addition, A5 books can be accommodated under the left bookcase 5, and A5 books can be accommodated above the placement plate 8. Further, a 15-inch liquid crystal monitor M can be placed below the shelf board 6, and A6 or B6 documents can be accommodated above it.

  Further, as shown in FIGS. 1, 14 and 15, the accessory case 40 can be locked by using the slit hole 13. FIG. The accessory case 40 is provided with a mobile phone holder 40A on the right side, a pen tray 40B on the left side, and a timetable holder 40C with a transparent sheet cover on the front surface of the pen tray 40B. The accessory case 40 is locked to the slit hole 13 where the bookcase 5 or the shelf 6 does not exist, and the position thereof can be changed.

  Then, based on FIGS. 17 to 21, the height of the bookcase 5 and the partition plate 33 can be adjusted up and down in four stages, and the A4 size is also provided below the bookcase 5 having the drawer 10 below the mounting plate 8. An embodiment in which books can be accommodated will be described. That is, the first support means 13 formed of a hole or a rail for removably locking the locking means 12 provided on the back surface of the book stand 5 is attached to the back plate 4 in a multi-stage with a vertical pitch in the range of 95 to 100 mm. The book stand 5 is attached to the back plate 4 so that the height can be adjusted in four stages so that a space of A4 size can be secured below the book stand 5. In the embodiment of FIG. 17, the illumination device 26 is omitted.

  Specifically, as shown in FIGS. 17 and 18, the upper edge 4C of the back plate 4 of the lower shelf 1A is formed in a non-linear shape, and the first support means 13 is formed in five steps horizontally below the upper edge 4C. Are formed at a constant pitch. Here, the number of plate portions between the slit holes 13, 13 adjacent to each other coincides with the number of steps whose height can be adjusted. Similarly, when three slit holes 13,... Are arranged at the same height position, a long slit hole 13A is formed at the central portion, and short slit holes 13B, 13B are formed on both sides thereof. The long slit hole 13A has approximately twice the length of the short slit hole 13B.

  Thus, by providing the slit holes 13 in five stages in the vertical direction, the height of the main frame 5 and the partition plate 33 can be adjusted in four stages. As shown in FIG. 17, when the bookcase 5 is attached to the back plate 4 using the uppermost slit hole 13, an A4 size space can be secured below the drawer 10 of the bookcase 5. Further, since the height of the bookcase 5 can be adjusted in four stages, as shown in FIG. 19, two narrow bookcases 5 and 5 can be arranged in two stages vertically. .

  Next, as shown in FIGS. 20 and 21, the upper edge 4D of the back plate 4 of the lower shelf 1A has a linear shape, and the upper edge 4D functions as the uppermost first support means 13, and the upper edge .. Are formed at a constant pitch as the first support means 13 below the 4D. Here, above the uppermost slit hole 13, the plate portion formed by the upper edge 4 </ b> D and the slit hole 13 gives the uppermost mounting position. Also in this case, the height of the bookcase 5 and the partition plate 33 can be adjusted in four stages. As shown in FIG. 20, when the bookcase 5 is attached to the back plate 4 using the uppermost slit hole 13, an A4 size space can be secured below the drawer 10 of the bookcase 5.

It is a whole perspective view of the use condition of the desk shelf of the learning desk concerning the present invention. It is the whole perspective view of only a desk shelf. It is a partial disassembled perspective view of the principal part of this invention. The shelf board which can be divided | segmented is shown, (a) is an exploded perspective view of a shelf board, (b) is a perspective view of the shelf board of a connection state. It is a front view of the desk shelf concerning the present invention. It is a simplified front view of the lower shelf which shows the other pattern of a 1st support means. It is a rear view of a desk shelf. It is the longitudinal cross-sectional view of a desk shelf similarly. It is a perspective view of a narrow bookcase. It is also a front view of a book stand. It is a standing sectional view of the same book stand. It is a perspective view of the engaging tool for attaching a partition plate. Similarly, the anchoring tool is shown, (a) is a front view, and (b) is a cross-sectional view. It is a front view which shows the example of arrangement | positioning of the bookshelf and shelf board of a desk shelf. It is a front view which similarly shows the other example of arrangement | positioning. The front view of the lower shelf which consists of two bookshelves and a shelf which can be divided is shown, (a) is the mode which arranged the shelf in the connected state between the bookshelves of both sides, and (b) The aspect which arranged the small shelf board on both sides of the book stand, (c) has each shown the aspect which arranged the book stand and the small shelf board alternately. It is a front view of the desk shelf which the upper edge of the back board of the lower shelf was a non-linear shape, and height adjustment of four steps was possible. It is a rear view of a lower shelf similarly. It is a front view of the desktop shelf of the aspect which similarly arrange | positioned the book stand in two steps up and down. It is a front view of the desk shelf which the upper edge of the back board of the lower shelf was linear shape, and height adjustment of four steps was possible. It is a rear view of a lower shelf similarly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Desk shelf, 1A Lower shelf 1B Upper shelf, 2 Learning desk 3 Side board, 4 Back board 5 Container (Main stand), 6 Shelf board 61 Small shelf board, 62 Small shelf board 63 Connecting tool, 64 Horizontal flat plate part 65 Vertical board , 66 screw 67 concave step, 68 homing nut 69 connecting pin,
7 Side plate 8 Mounting plate 9 Back plate 10 Drawer 11 Partition plate 12 Locking means (hook)
DESCRIPTION OF SYMBOLS 13 1st support means (slit hole), 13, 13A, 13B Slit hole 14 Support tool (wire dowel), 14A Support shaft 14B Main-body part, 15 2nd support means (support hole)
16 Third support means (support hole) 17 Engaging groove 18 Horizontally open, 19 Curtain plate 20 Fixing bracket, 21 Side plate 22 Fixed shelf plate, 23 Back plate 23A Upper back plate, 23B Lower back plate 24 Fixed partition plate, 25 Opening 26 Illuminating device, 27 Support 28 Arm, 29 Lamp 30 Slit hole, 31 Horizontal opening 32 Shelf plate, 33 Partition plate 34 Anchor, 35 Mounting portion 36 Locking portion, 36A Downward hook 36B Upward hook, 37 Stop Part 37A contact surface, 37B engagement part 38 engagement tool, 39 downward hook 40 accessory case P printer, M 15 inch LCD monitor

Claims (5)

  A desk shelf that is detachably mounted with a bookcase and a shelf board in an internal space formed by both side boards, a back board, and a fixed shelf board provided at the top, and is placed on the back of the top of the learning desk, First support means for detachably locking the locking means provided on the back of the book stand is provided on the back plate in multiple stages within a vertical pitch range of 95 to 100 mm, and an A4 size space below the book stand. A desk shelf for a learning desk, wherein the book stand is attached to the back plate so that the height can be adjusted in four stages.   2. The learning desk according to claim 1, wherein the main frame is configured such that a placement plate is connected to a lower portion of both side plates, a back plate is connected to a rear portion, and drawers are provided between the side plates below the placement plate. Desk shelf.   The first support means is a horizontally long slit hole, a plurality of slit holes are arranged in the same height position, and the locking means of the main stand is a hook that is locked to the slit hole. The desk shelf of a learning desk according to claim 1 or 2, wherein the mounting position can be changed in the left-right direction.   The learning according to any one of claims 1 to 3, wherein an upper edge of the back plate has a non-linear shape, and five horizontally long slit holes are formed at a constant pitch below the upper edge as first support means. Desk shelf on the desk. The upper edge of the back plate has a linear shape, the upper edge functions as the uppermost first supporting means, and four horizontal slit holes are formed at a constant pitch as the first supporting means below the upper edge. The desk shelf of the learning desk in any one of Claims 1-3 formed.

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