JP4526892B2 - Desk with shelf - Google Patents

Description

  The present invention is mainly used as a learning desk with a bookshelf. Specifically, a pair of left and right side plates, a back plate attached over the rear end portions of both side plates, and a ceiling attached to these upper ends in a mounted state. It is composed of a desk body composed of a plate, a pair of left and right shelf side plates, and a back plate attached over the rear ends of both shelf side plates, and is disposed on the rear side of the top surface of the top surface of the desk body. It is composed of a detachable lower shelf, a pair of left and right shelf side plates, and a plurality of independently usable bookcases that are detachably fixedly connected in a single row between both shelf side plates. The present invention relates to a shelf-equipped desk including a removable upper shelf disposed in an upper portion.

This type of shelf-equipped desk can freely attach and detach the lower shelf and the upper shelf arranged on the top surface of the desk main body, so that the lower shelf and the upper shelf are integrally formed. Compared to cases, handling during assembly and transportation can be easily performed, and according to changes in the learning work form accompanying the growth of the user, or the preference of the desktop form and ease of use, etc. By changing the combination of the desk body, the lower shelf and the upper shelf, the first usage pattern in which the lower shelf and the upper shelf are arranged on the top surface of the desk body, and the top surface of the desk body It can be changed to the second usage pattern in which only the lower shelf is arranged, and the third usage pattern in which the lower shelf and the upper shelf are both removed from the top surface of the desk main body, thereby diversifying the usage pattern. be able to.
And in the conventional desk with a shelf, when changing from a 1st usage pattern to a 2nd usage pattern or a 3rd usage pattern, two book stands removed in connection with it can be attached or detached freely in the state of one row in the left-right width direction. A form in which it is fixed and used in a state where it is fixedly connected in the state of being inserted into the back side of the knee insertion space of the desk body, and two bookshelves are fixedly connected in a detachable manner in approximately one row in the lateral width direction. A form that is used while being placed on a desk in a state where the two book stands are separated one by one and placed in an arbitrary position on the desk in any orientation and used, or two book stands Has been proposed in which the two are connected in the vertical direction and used as two independent upper and lower bookshelves (see, for example, Patent Document 1).
JP 2001-25413 A

However, in the case of the conventional desk with shelves, the re-use in the second usage mode and the third usage mode of the plurality of bookshelves of the upper shelf to be removed when changing from the first usage mode to the second usage mode or the third usage mode. About the form of use, the two bookshelves are separated from each other in a form in which the two bookshelves are placed on the desk and used in a state where they are detachably fixedly connected in approximately one row in the lateral direction. If it is a form that is placed and used at any position on the desk in any orientation and a form that is used as an upper and lower two-level bookshelf that is connected independently in the vertical direction, Since the bookshelves are in an unstable form that is not fixed integrally, the bookshelves may fall from the desk or fall down due to vibration or the like.
And as a reusable form that can be used in a state in which the book stand is fixed integrally with the desk, the desk main body remains in a state where the two book stands are fixedly connected in a detachable manner in almost one row in the left-right width direction. The only option is to use it fixed in the state of being inserted into the back of the knee insertion space. In this case, the book stand can be used in a stable state with the book stand fixed integrally with the desk. However, it was not easy to use because it was placed on the back side of the kneeling space of the desk body.

  In view of this situation, the main problem of the present invention is to expand the options of the reuse form of the upper shelf removed with the change from the first use form to the second use form or the third use state with a reasonable improvement. In addition, it is advantageous in terms of usability.

Left right pair of side plates, a rear plate mounted over the rear end of each side plate, and desk body composed of a top plate mounted with at rests state these upper,
A detachable lower shelf that is composed of a pair of left and right shelf side plates and a back plate that is attached across the rear end portions of both shelf side plates, and is disposed on the rear side of the top surface of the top plate of the desk body,
It is composed of a pair of left and right shelf side plates, and a plurality of independently usable bookshelves fixedly connected in a detachable manner in almost one row between both shelf side plates, and is detachable disposed on the lower shelf. In a desk with a shelf consisting of a large upper shelf,
At least one of the side plates and the shelf side plate of the lower shelf of the desk body, among the plurality of Hontate constituting the upper shelf, even if at least one Hontate a detachably fixed anchoring means are provided Good .

  In other words, with this configuration, the combination of the desk body, the lower shelf and the upper shelf can be changed according to changes in the learning work form accompanying the growth of the user, or changes in desktop form preference or usability. Thus, the first usage pattern in which the lower shelf and the upper shelf are disposed on the top surface of the desk body, the second usage pattern in which only the lower shelf is disposed on the top surface of the desk body, and the top of the desk body. It can change to the 3rd usage pattern which removed both the lower shelf and the upper shelf from the board upper surface, and can attain diversification of the usage pattern.

  Moreover, when reusing the upper shelf removed in accordance with the change from the first usage pattern to the second usage pattern or the third usage state, the upper shelf itself can be used alone with a pair of left and right shelf side plates. Because it consists of multiple bookshelves, it can be used by placing multiple bookshelves separated from the left and right shelf side plates on the desk while being connected in the left-right direction, or individually separating the bookshelf to any position on the desk Not only can it be placed and used in any orientation, or it can be used as an upper and lower two-level bookshelf in which two book stands are connected in the vertical direction, and the side plate of the desk body and the lower shelf Since at least one of the shelf side plates is provided with a fixing means capable of detachably fixing the book stand, the detached book stand can be fixed to the side plate of the desk body or the shelf side plate of the lower shelf. , The book stand on the desk And can be reused in a fixed state, so that the book stand can be used in a stable state and compared to the conventional configuration that is fixed to the back side of the knee insertion space of the desk body This makes it easy to put in and take out books and the like, and even if there is a seated person, it can be shared with others and used as a book stand.

  Further, since the upper shelf is configured by fixing and connecting a plurality of independently usable book stands between the left and right shelf side plates in almost one row state, the upper side can be set while arbitrarily setting the size of each book stand in the left-right direction. The outer surface space | interval in the left-right direction of the both shelf side plates of a shelf can be comprised the same as the outer surface space | interval in the left-right direction of the both-sides board of a desk main body.

  Therefore, by configuring in this way, it is possible to expand the options of the reuse form of the upper shelf that has been removed in accordance with the change from the first usage pattern to the second usage pattern or the third usage pattern, and the usability This can also be advantageous.

A first characteristic configuration of the present invention is a desk main body including a pair of left and right side plates, a back plate attached over the rear end portions of both side plates, and a top plate attached to the upper ends of the side plates. ,
A detachable lower shelf that is composed of a pair of left and right shelf side plates and a back plate that is attached across the rear end portions of both shelf side plates, and is disposed on the rear side of the top surface of the top plate of the desk body,
It is composed of a pair of left and right shelf side plates, and a plurality of independently usable bookshelves fixedly connected in a detachable manner in almost one row between both shelf side plates, and is detachable disposed on the lower shelf. A shelf-equipped desk consisting of an upper shelf,
At least one of the side plate of the desk body and the shelf side plate of the lower shelf is provided with a fixing means capable of detachably fixing at least one of the book stands constituting the upper shelf,
The fixing means is configured to detachably fix the book stand on the outer side of the side plate of the desk body and the shelf side plate of the lower shelf.

  In other words, with this configuration, the book stand is fixed to the outer surface side of the side plate of the desk body and the shelf side plate of the lower shelf, so far as hooks etc. are attached and the bag or bag etc. are suspended. The space on the outer side of the desk that was only used can be used effectively, and even if there is a seated person, it can be shared with others and used conveniently.

Also, in this type of learning desk, a movable drawer cabinet that enters the knee storage space is usually installed at a position close to the left or right side of the knee storage space formed in the desk body. A drawer cabinet in which the two bookshelves are fixedly used in a state where they are detachably fixed and connected in approximately one row in the left-right width direction, and are inserted into the back side of the knee insertion space of the desk body. Must be taken out of the knee space and installed separately from the desk, which increases the overall installation area.
However, with the configuration of the present invention, the book stand is fixed to the outer surface side of the side plate of the desk body and the shelf side plate of the lower shelf, so the drawer cabinet is installed in the knee storage space with the book stand attached to the desk. It can also be used as it is, and the installation area as a whole hardly increases.

  Therefore, by attaching to the desk the book stand that has been removed in accordance with the change from the first use form to the second use form or the third use state, the book stand can be used in a stable state, and the outer surface of the desk Because it is attached to the side, while using the outer surface side of the desk more effectively, not only the seated person using the desk but also others can use the book stand, Since the drawer cabinet can also be mounted in the state where it is stored in the knee storage space, it is possible to make it easy to use without increasing the overall installation area.

The second feature configuration of the present invention is a preferred configuration in the implementation of the first feature configuration.
A plurality of the fixing means are provided in a state of being arranged in parallel in the vertical direction from the side plate of the desk body to the shelf side plate of the lower shelf.

  In other words, with this configuration, the side plate of the desk body and the shelf side plate of the lower shelf according to changes in the height and learning work form accompanying the growth of the user, or changes in the preference of the desktop form and ease of use, etc. Since the height position of the bookshelf fixed to can be selected, the option of the reuse form of the upper shelf removed in accordance with the change from the first use form to the second use form or the third use state is further increased. The degree of freedom can be increased.

  In addition, by fixing a plurality of bookshelves in a vertically aligned state to a plurality of fixing means arranged in a vertically aligned state from the side plate of the desk body to the shelf side plate of the lower shelf, the desk A plurality of bookshelves fixed to the outer surface side of the upper shelf can be formed, and the options for reusing the removed upper shelf can be further expanded, and the degree of freedom can be increased.

A third characteristic configuration of the present invention is a desk main body including a pair of left and right side plates, a back plate attached over the rear end portions of both side plates, and a top plate attached to the upper ends of the side plates. ,
A detachable lower shelf that is composed of a pair of left and right shelf side plates and a back plate that is attached across the rear end portions of both shelf side plates, and is disposed on the rear side of the top surface of the top plate of the desk body,
It is composed of a pair of left and right shelf side plates, and a plurality of independently usable bookshelves fixedly connected in a detachable manner in almost one row between both shelf side plates, and is detachable disposed on the lower shelf. A shelf-equipped desk consisting of an upper shelf,
At least one of the side plate of the desk body and the shelf side plate of the lower shelf is provided with a fixing means capable of detachably fixing at least one of the book stands constituting the upper shelf,
Provided between the vertical plate and the side plate of the desk body on the left and right sides of the vertical plate fixed to the center position in the left-right width direction of the desk main body on the back side of the knee insertion space of the desk main body. An inner shelf composed of a horizontal plate is provided,
Among the plurality of bookshelves, at least one bookstand has a maximum left-right width that is the same as or smaller than the distance between the vertical plate of the inner shelf and the side plate of the desk body.

  In other words, with this configuration, by providing an inner shelf in the space on the back side of the knee insertion space that has not been used in the first usage pattern in a desk having a conventional structure, the space is effectively used even in the first usage pattern. The maximum left and right width of at least one of the bookshelves to be removed when changing from the first usage mode to the second usage mode or the third usage mode is set to the vertical plate of the inner shelf and the desk body. Instead of fixing all of the removed bookshelf to the side plate of the desk body or the shelf side plate of the lower shelf, by forming at least the same width as the interval with the side plate It is possible to place and fix on the horizontal plate of the inner shelf provided on the back side of the knee insertion space, and the upper side is removed in accordance with the change from the first use form to the second use form or the third use state. Shelf re Use form of choice can more be further enlarged, it is possible to increase the degree of freedom.

[First Embodiment]
FIGS. 1-11 shows the desk with a shelf of this invention used as a learning desk with a bookshelf, and this is the desk main body A which has knee-insertion space S, and the rear side of the upper surface of the top plate 1 of this desk main body A. A lower shelf B that is detachably attached to the lower shelf B, and an upper shelf C that is detachably attached to the left and right shelf side plates 10 of the lower shelf B while being positioned above the lower shelf B. In addition, the combination of the desk main body A, the lower shelf B, and the upper shelf C is changed according to a change in the learning work form accompanying the growth of the user, a preference of the desktop form, a change in usability, or the like. Thus, the first usage pattern in which the lower shelf B and the upper shelf C are disposed on the top surface of the top plate 1 of the desk body A and the first shelf in which only the lower shelf B is disposed on the top surface of the top plate 1 of the desk body A. 2. Changed to a third usage pattern in which the lower shelf B and the upper shelf C are both removed from the top surface 1 of the table top A of the desk body A. It is constructed freely.

  As shown in FIGS. 1 and 2, the desk body A has a pair of left and right side plates 2, a single back plate 3 that is mounted across the rear end portions of the side plates 2, and is mounted on the upper ends thereof. And a top plate 1 attached to the lower surface of the top plate 1, and a knee that allows a seated person's knee to be inserted from the front by the bottom surface of the pair of left and right drawers 4, the side plates 2, and the back plate 3. A vertical space 5a is formed on the back side of the knee space S and a vertical plate 5a fixed at the center position in the left-right width direction of the desk main body A, and on the left and right sides of the vertical plate 5a. And a movable inner shelf 5 composed of a horizontal plate 5b provided between the desk main body A and the side plate 2 of the desk main body A is provided.

  Nuts 27 for mounting on the back plate 3 of the desk main body A are embedded and fixed (dried and fixed) at two places on the rear end surface of the vertical plate 5a of the inner shelf 5, and the left and right sides of the back plate 3 of the desk main body A are fixed. At the central position in the width direction, three mounting holes 3a for communicating with bolts 26 to be screwed into the embedded nut 27 are formed in the vertical direction at the same interval as the two embedded nuts 27 of the vertical plate 5a. Thus, the inner shelf 5 can be selectively disposed at the two upper and lower positions.

  Then, the vertical plate 5a of the inner shelf 5 and the side plate 2 of the desk body A are engaged with engaging recesses 6 formed at two front and rear portions at the lower left and right ends of both horizontal plates 5b, so that the horizontal plate 5b is vertically There are nine mounting recesses 8 for fitting dowels 7 for mounting and fixing between the plate 5a and the side plate 2 of the desk body A. The vertical plate 5a has three rows in the front-rear direction and three steps in the vertical direction. The side plate 2 of the desk main body A is formed in a total of twelve locations in three rows in the front-rear direction and four steps in the up-down direction. The position of the dowel 7 with respect to the mounting recess 8 is selected along with the selection of the mounting position of the vertical plate 5a with respect to the back plate 3. By changing the insertion position, the fixed position of the both horizontal plates 5b can be freely changed, so that the inner shelf 5 is movable.

  The side plate 2 and the back plate 3 of the desk main body A are provided with attachment holes 9 for attaching a bookcase 22 constituting an upper shelf C described later. The side plate 2 has three attachment holes, and the back plate 3 has a vertical plate. A total of four locations are formed, two on each side of 5a.

As shown in FIGS. 1 and 2, the lower shelf B includes a pair of left and right shelf side plates 10, a back plate 11 that is fixedly connected across the rear ends of the shelf side plates 10, and the back plate 11. A shelf receiving member 14 that detachably mounts and supports the movable shelf 13 over the central partition 12 fixed to the left and right center of the front surface of the front, and a fixed shelf 16 that includes two partitions 15 A pair of left and right drawers 17 are provided on the lower surface of the fixed shelf 16.
The lower shelf B is fixedly connected to the top plate 1 of the desk main body A through a pair of left and right mounting brackets 18 so as to be detachable.

  As shown in FIGS. 1 to 3, the upper shelf C includes a pair of left and right shelf side plates 20, a back plate 21 that is fixedly connected to the rear end portions of the both shelf side plates 20, and both shelves. It is composed of two independently usable book stands 22 that are detachably fixedly connected in a row between the side plates 20, and the shelf side plates 20 are spaced apart from each other in the vertical direction. It can be used as a connecting plate for fixed connection in a state.

  Each of the bookshelf 22 includes a pair of left and right outer plates 22a, two upper and lower back plates 22b and 22c fixedly connected over the upper half of the rear end side of both outer plates 22a, and the outer plates 22a and the lower plate. A mounting plate 22d fixedly connected in a horizontal position across the back side plate 22c, and a partition fixed across the left and right center position of the mounting plate 22d and the left and right center positions of the two upper and lower back side plates 22b and 22c. The partition plate 22e is provided with an engagement portion 23 that engages with the back side plates 22b and 22c in a form sandwiched between the upper and lower back side plates 22b and 22c. The partition plate 22e is fixed to the back side plate 22b by the engaging portion 23.

  One bookcase 22A of the two bookcases 22 has a vertical plate 5a of the inner shelf 5 and a side plate 2 of the desk body A, the maximum left and right width W1 of which are provided on the back side of the knee insertion space S of the desk body A. The width W2 of the inner shelf 5 (that is, the horizontal width of the horizontal plate 5b of the inner shelf 5) is the same width and the maximum horizontal width W1 is smaller than the other bookcase 22B. The main stand 22A is configured so as to be placed on the horizontal plate 5b of the inner shelf 5 of the desk body A.

  A total of four locations, two on the upper and lower sides and two on the front and rear of each outer plate 22 a constituting the book stand 22, are connected to the shelf side plate 20 or the outer plate 22 a of the other book stand 22 adjacent in the left-right direction with bolts 26 and nuts 27. Attaching holes 24 for fixed connection are formed through, and bolts 26 inserted into the attaching holes 24 of the outer plate 22a and screws are screwed into a total of four places, two on the upper and lower sides of each shelf side plate 20 and two on the front and rear sides. A jointable nut 27 is embedded and fixed (dried and fixed), and each outer plate 22a is also used as a connecting plate for fixedly connecting to the shelf side plate 20 or the outer plate 22a of another book stand 22 adjacent in the left-right direction. Has been.

  A nut 27 for detachably attaching the narrow bookcase 22A to the rear plate 21 of the upper shelf C is embedded in the center position of the rear end surface of the mounting plate 22d constituting the narrow bookcase 22A of the two bookcases 22. In addition to being fixed (dried and fixed), bolts 26 are passed through mounting holes 21a formed in the back plate 21 and screwed into embedded nuts 27 embedded in the mounting plate 22d.

  Further, nuts 27 for attaching the large bookcase 22B to the rear plate 21 of the upper shelf C so as to be detachable can be attached to the rear end surface of the mounting plate 22d constituting the large bookcase 22B in a total of three in the left and right locations and the central location. The mounting plate 22d is fixed by being embedded (fixed in place) at the location and through bolts 26 through three mounting holes 21a and 24 formed in the back plate 21c of the desk main body A and the lower back plate 22c of the large bookcase 22B. It is screwed with the embedded nut 27 embedded in.

  Then, a nut 27 is embedded and fixed (in-placed) at the central position in the left-right width direction of the upper back plate 22b constituting the large bookcase 22B so that the large bookcase 22B can be detachably attached to the back plate 21 of the upper shelf C. The bolts 26 are passed through the mounting holes 21b formed in the back plate 21 from the back side, and are screwed into the embedded nuts 27 embedded in the upper back plate 22b, thereby fixing the large bookcase 22B to the back plate 21. ing.

  As shown in FIGS. 4 to 6, the connector 30 for detachably connecting the shelf side plate 20 and the back plate 21 has annular locking grooves 31 a at two positions on the left and right ends of the back plate 21. In addition to providing the connection pin 31 provided, a lock case 32 having a connection hole 32a in which the connection pin 31 can be inserted and removed from the left and right direction is embedded in the shelf side plate 20, and the lock case 32 is connected to the connection hole 32a. When the pin 31 is inserted and rotated by a screwdriver or the like, the locking state in which the engaging groove 31a of the connecting pin 31 is engaged from the outside in the radial direction, and the locking groove 31a is released from the outside in the radial direction. The lock member 33 that can be switched to the unlocked state is assembled.

  As shown in FIGS. 7, 8 </ b> A, and 8 </ b> B, the coupler 35 that detachably connects the shelf side plate 10 of the lower shelf B and the shelf side plate 20 of the upper shelf C is detachable. The connecting pins 36 having the annular locking grooves 36a are provided at two positions before and after the upper end of the shelf side plate 10 constituting the upper shelf C, and at the lower part of the shelf side plate 20 constituting the upper shelf C, the connecting pins 36 are arranged in the vertical direction. A connecting hole 37 that can be freely inserted and removed is formed, and the connecting pin 36 is inserted into and removed from the inner side of the connecting hole 37 by a rotation operation by a screwdriver or the like with the connecting pin 36 inserted into the connecting hole 37. A lock member 38 that can be switched between an allowable unlocking state and a locking state that engages with the engaging groove 36 a of the connecting pin 36 is assembled.

And when assembling the upper shelf C, as shown in FIGS. 1 to 3, the shelf side plate 20 and one outer side plate 22a of the book stand 22 opposite to the shelf side plate 20 are fixedly connected by bolts 26. Bolts 26 are inserted into the mounting holes 24 on the upper side of the outer side plate 22 a, and the inserted bolts 26 are screwed into the embedded nuts 27 on the upper side of the shelf side plate 20.
In addition, the other outer plates 22a of the double-stands 22 adjacent in the left-right direction are also fixedly connected by bolts 26 and nuts 27. At this time, the bolts 26 inserted into the four mounting holes 24 and the bag-like shape are respectively connected. The nut 27 is firmly fixed and connected.
Further, the back plate 21 and the mounting plate 22d of the main stand 22 are fixedly connected by screwing bolts 26 into the embedded nuts 27 of the mounting plate 22d through the mounting holes 21a of the back plate 21.

  And as shown in FIGS. 9-11, in order to reuse the bookcase 22 of the upper shelf C removed with the change from the 1st use form to the 2nd use form or the 3rd use state, a narrow bookstand 22a is fixed in such a manner that it is placed on the horizontal plate 5b of the inner shelf 5 provided in the back side of the knee insertion space S of the desk body A, while the large bookcase 22b is fixed to the side plate 2 of the desk body A with fixing means. Install and fix.

  The fixing means includes a mounting hole 9 formed in the side plate 2, an embedded nut 27 provided in the mounting plate 22d of the large bookcase 22B, and a bolt 26, and the embedded nut 27 of the mounting plate 22d A large bookcase 22B is arranged on the outer surface side of the side plate 2 so that the position of the side plate 2 with the mounting hole 9 matches, and a bolt 26 is screwed into the embedded nut 27 from the inner surface side of the side plate 2 through the mounting hole 9. The large bookcase 22b can be fixedly arranged on the outer surface side of the side plate 2 of the desk body A.

  In the form in which the narrow bookcase 22A is placed and fixed on the horizontal plate 5b of the inner shelf 5 provided on the back side of the knee insertion space S of the desk main body A, the four attachment holes 9 of the back plate 3 of the desk main body A are provided. Is formed at a position that coincides with the embedded nut 27 embedded in the center of the rear end surface of the mounting plate 22d of the narrow bookcase 22A when the narrow bookcase 22A is placed on the horizontal plate 5b of the inner shelf 5. It is placed on the horizontal plate 5b of the inner shelf 5 provided on the back side of the knee insertion space S of the desk main body A, and the bolts 26 are passed through the mounting holes 9 formed on the back plate 3 of the desk main body A. Then, the narrow book stand 9 is placed and fixed on the horizontal plate 5b of the inner shelf 5 in the knee insertion space S by screwing with the embedded nut 27 on the rear end surface of the placement plate 22d.

  Further, as another form of reusing the book stand 22, the inner shelf 5 provided in the knee insert space S of the desk main body A is removed, and the knee insert space of the desk main body A in a state in which both book stands 22A and 22B are connected. The side plate 2 on the S-side surface or 2 can also be used by being fixed to the back plate 3.

  Furthermore, the main stand 22 can be mounted and used independently on the top surface 1 or the floor surface of the table top A.

[Second Embodiment]
FIG. 12 shows a plurality of bookshelves 22 of the upper shelf C removed in accordance with the change from the first usage pattern to the second usage pattern or the third usage state into a two-level book shelf 40 connected in the vertical direction, A form in which the bookshelf 40 is fixedly arranged on the outer side surface of the side plate 2 of the desk main body A is shown, and a plurality of (two in this case) bookcases 22 constituting the upper shelf C are all formed with the same left-right width.

  After releasing the fixed connection between the shelf side plate 20, the back plate 21 and the book stand 22, the upper shelf C is inserted into the lower shelf 22C using the lower mounting hole 24 of the outer plate 22a. The bolt 26 was screwed and fixed to the embedded nut 27 on the upper side of the two shelf side plates 20, and was inserted into the upper plate using the mounting hole 24 on the upper side of the outer plate 22a constituting the other bookcase 22D. The bolts 26 are screwed and fixed to the embedded nuts 27 on the lower side of the two shelf side plates 20 to form the upper and lower two-level book shelves 40.

  And this book shelf 40 is the desk main body by the attachment hole 9 formed in the side plate 2 of the desk main body A which is a fixing means, the embedded nut 27 embedded in the mounting plate 22d of each bookcase 22, and the bolt 26. It is fixedly arranged on the outer surface side of the side plate 2 of A.

  Furthermore, as shown in FIG. 13, the bookcase 22 of the upper shelf C removed in accordance with the change from the first usage pattern to the second usage pattern or the third usage state is reused as one independent bookshelf 40. In this case, after the fixed connection between the shelf side plate 20 and the back plate 21 and the book stand 22 is released, the mounting hole 24 on the lower side of the outer plate 22a constituting one book stand 22 is used. Then, the bolts 26 inserted into it are screwed and fixed to the embedded nuts 27 on the upper side of the two shelf side plates 20, and the upper mounting holes 24 of the outer plate 22a constituting the other bookcase 22 are utilized, The bolt 26 inserted therethrough is screwed and fixed to a buried nut 27 on the lower side of the two shelf side plates 20.

  Further, as another form of reusing the book stand 22, the inner shelf 5 provided in the knee insert space S of the desk main body A is removed, and the knee insert space of the desk main body A in a state where the two book stands 22C and 22D are connected. The side plate 2 on the S-side surface or 2 can also be used by being fixed to the back plate 3.

  Further, the main stand 22 can be mounted and used independently on the top surface or the floor surface of the table top A.

  In addition, since the other structure is the same as the structure demonstrated in 1st Embodiment, the same number is attached to the same structure location as 1st Embodiment, and the description is abbreviate | omitted.

[Another embodiment]
Next, another embodiment will be listed.

  In the first and second embodiments described above, the number of the bookcases 22 constituting the upper shelf C is two, but the number of the bookcases 22 is not limited to two, and may be three or more. .

  In the first embodiment described above, the two bookcases 22A and 22B removed when changing from the first use form to the second use form or the third use form are used, and the narrow bookcase 22A is a knee-insertion space S of the desk main body A. The main stand 22B is placed and fixed on the outer surface of the side plate 2 of the desk body A, but the combination of the arrangement positions of the main stand 22 is set in this manner. In particular, the narrow bookcase 22A is optional such as the inner surface side of the side plate 2 of the desk body A on the same side as the large bookcase 22B or the outer surface side or the inner surface side of the side plate 2 of the desk body opposite to the large bookcase 22B. Can be fixed in place.

  Further, in the first and second embodiments described above, when the usage pattern of the desk is changed to the second usage pattern, the book stand 22 may be arranged and fixed on the outer surface side of the shelf side plate 10 of the lower shelf B.

  The fixing means for detachably connecting the side plate 2 of the desk main body A or the shelf side plate 10 of the lower shelf B and the bookcase 22 is not limited to the structure of the above-described embodiment, and both are attached and detached. Any structure may be adopted as long as it can be fixed and connected freely.

  In the first and second embodiments described above, the shelf-equipped desk is composed of the desk main body A, the lower shelf B, and the upper shelf C, but in addition to this configuration, as shown in FIGS. In addition, the knee insertion space S formed in the desk main body A may be configured such that a movable cabinet D having a plurality of drawers is inserted at a position biased to one side in the left-right width direction. It is desirable that the book stand 22 arranged and fixed on the side plate 2 of the desk body A is arranged and fixed on the outer surface side of the side plate 2.

The whole front view showing a 1st embodiment of a desk with a shelf of the present invention. Overall side view Exploded perspective view of upper shelf Enlarged sectional view of the upper shelf immediately before connecting the shelf side plate and the back plate An enlarged cross-sectional view when the shelf side plate and the back plate of the upper shelf are connected. Side view of a connector for connecting the shelf side plate and the back plate of the upper shelf (A) is an enlarged cross-sectional view immediately before connecting the outer plates of the double-stands. (B) is an enlarged cross-sectional view when the external plates of the double-stands are connected. (A) is an enlarged cross-sectional view immediately before connecting the outer plate and the shelf side plate of the book stand. (B) is an enlarged cross-sectional view when the outer plate and the shelf side plate of the book stand are connected. The perspective view when the upper shelf is disassembled and the book stand is attached to the desk body Front view when the upper shelf is disassembled and the book stand is attached to the desk body Side view when the upper shelf is disassembled and the book stand is attached to the desk body The perspective view when 2nd Embodiment of the desk with a shelf of this invention is shown, a bookcase is assembled | attached to a bookshelf, and it attached to the desk main body. Perspective view when the book stand is assembled to an independent bookshelf Overall front view showing another embodiment of the present invention In another embodiment of the present invention, the front view when the book stand is attached to the desk body

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Top plate of a desk main body 2 Side plate of a desk main body 3 Back plate of a desk main body 5 Inner shelf 5a Vertical plate 5b Horizontal plate 9 Fixing means 10 Lower shelf shelf side plate 11 Lower shelf rear plate 20 Upper shelf shelf side plate 21 Back plate 22 of upper shelf 26 Stand 26 Fixing means 27 Fixing means A Desk body B Lower shelf C Upper shelf S Knee space W1 Maximum left and right width W2 of the stand

Claims (3)

A desk body composed of a pair of left and right side plates, a back plate attached over the rear ends of both side plates, and a top plate attached to the upper ends of these in a mounted state;
A detachable lower shelf that is composed of a pair of left and right shelf side plates and a back plate that is attached across the rear end portions of both shelf side plates, and is disposed on the rear side of the top surface of the top plate of the desk body,
It is composed of a pair of left and right shelf side plates, and a plurality of independently usable bookshelves fixedly connected in a detachable manner in almost one row between both shelf side plates, and is detachable disposed on the lower shelf. A shelf-equipped desk consisting of an upper shelf,
The desk body of the side plate and at least one of the shelf side plate of the lower shelf, the one of the plurality of Hontate constituting the upper shelf, detachably fixable fastening means provided we are at least one Hontate,
A shelf-equipped desk , wherein the fixing means is configured to detachably fix the bookcase on the outer surface side of the side plate of the desk body and the shelf side plate of the lower shelf . The shelf-equipped desk according to claim 1, wherein a plurality of the fixing means are provided in a state of being parallel in the vertical direction from the side plate of the desk body to the shelf side plate of the lower shelf. A desk body composed of a pair of left and right side plates, a back plate attached over the rear ends of both side plates, and a top plate attached to the upper ends of these in a mounted state;
A detachable lower shelf that is composed of a pair of left and right shelf side plates and a back plate that is attached across the rear end portions of both shelf side plates, and is disposed on the rear side of the top surface of the top plate of the desk body,
It is composed of a pair of left and right shelf side plates, and a plurality of independently usable bookshelves fixedly connected in a detachable manner in almost one row between both shelf side plates, and is detachable disposed on the lower shelf. A shelf-equipped desk consisting of an upper shelf,
At least one of the side plate of the desk body and the shelf side plate of the lower shelf is provided with a fixing means capable of detachably fixing at least one of the book stands constituting the upper shelf,
Provided between the vertical plate and the side plate of the desk body on the left and right sides of the vertical plate fixed to the center position in the left-right width direction of the desk main body on the back side of the knee insertion space of the desk main body. An inner shelf composed of a horizontal plate is provided,
A shelf-equipped desk in which a maximum left-right width of at least one of the plurality of book stands is equal to or smaller than a distance between a vertical plate of the inner shelf and a side plate of the desk body .

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