JPH0866244A - Desk with shelf - Google Patents

Abstract

PURPOSE: To provide an inexpensive desk with shelf by varying the form of usage and further rationally effectively utilizing a knee space at the main body of the desk by devising the dimensional configuration of downside and upside shelves detached from the main body of the desk while keeping high convenience. CONSTITUTION: This desk is provided with a main body A of the desk, downside shelf B freely attachably and detachably fitted to the upper surface of a top plate 1 at this main body A of the desk, and upside shelf C freely attachably and detachably fitted to the downside shelf B in the state of being positioned at the upper part of this downside shelf B. Then, a fitting 12 is provided to selectively freely attachably and detachably fit either the downside shelf B or the upside shelf C to the upper surface of the top plate 1 at the main body A of the desk, and the right and left maximum width of the downside shelf B and right and left maximum width H2 of the upside shelf C is respectively set at the dimension to be taken into the deep side of a knee space E at the main body A of the desk. Further, a supporter 7 for selectively supporting either the downside shelf B or the upside shelf C in a laterally lying state is provided on the inside surface facing to the knee space E at the main body A of the desk.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mainly used as a learning desk, and more specifically, a desk body, a lower shelf detachably attached to the top surface of the top of the desk body, and a lower shelf. The present invention relates to a desk with a shelf including an upper shelf that is detachably attached to the lower shelf in a state of being located above the shelf.

[0002]

2. Description of the Related Art In a conventional desk with a shelf, a fixture for selectively attaching the lower shelf or the upper shelf to the upper surface of the top plate of the desk body is provided, and the left and right maximum widths and upper sides of the lower shelf are provided. Each of the left and right maximum widths of the shelves is configured to be the same width as the left and right width of the top plate which is larger than the left and right width of the knee rest space of the desk body (for example, Japanese Utility Model Laid-Open No. 50-133305).

[0003]

In the case of the above conventional desk with shelves, the shelves arranged on the upper surface of the top plate of the desk body can be separated into the lower shelves and the upper shelves, so that the shelves are composed of a single shelf. Not only can it be handled more easily at the time of assembly and transportation, etc., but it also changes the form of learning work as the user grows, or the preference and usability of the desk form. According to the change of the above, by changing the combination of the desk body, the lower shelf and the upper shelf in the mounted state, the lower shelf and the upper shelf can be mounted together on the top surface of the desk body. A form in which only the lower shelf is attached to the top face of the board, a form in which only the upper shelf is attached to the top face of the desk body, and a form in which both the lower and upper shelves are removed from the top face of the desk body.
There is an effect that it can be changed to one usage pattern, and the usage pattern can be diversified. However, in particular, in a form in which both the lower shelf and the upper shelf are removed from the top surface of the desk body, the entire top surface of the desk can be used for desk work, but since there is no shelf, articles such as books However, there is a disadvantage that the storage capacity of the is very small. In addition, as a means for solving such an inconvenience in the article storage surface, for example,
As disclosed in Japanese Patent Laid-Open No. 7130, a storage shelf formed to have a size smaller than the left and right width of the knee rest space formed in the lower portion of the desk body is separately provided and faces the knee rest space of the desk body. It is conceivable to provide a fitting for detachably mounting the storage rack on the inner surface side. However, in this case, since three shelves, that is, an upper shelf, a lower shelf, and a storage shelf are required, there is a problem that the price of the entire desk rises.

The present invention has been made in view of the above-mentioned circumstances, and it is possible to diversify the usage form as in the conventional case, and, while being excellent in usability,
The purpose of the present invention is to provide an inexpensive desk with shelves by devising the dimensional configuration of the lower and upper shelves removed from the desk body and making a rational effective use of the knee rest space of the desk body. To do.

[0005]

The features of the present invention include a desk body, a lower shelf detachably attached to the upper surface of a top plate of the desk body, and a state of being located above the lower shelf. A shelf-equipped desk having an upper shelf detachably attached to the lower shelf, wherein the lower shelf or the upper shelf can be selectively attached to and detached from the upper surface of the top plate of the desk body. And a maximum width in the left and right sides of the lower shelf and a maximum width in the left and right sides of the upper shelf, each of which is dimensioned so as to be able to enter the back side of the knee rest space of the desk body. The inner surface of the desk body facing the knee-inserting space is provided with a support for selectively supporting the lower shelf or the upper shelf in a horizontal posture.

Each of the lower shelf and the upper shelf is provided with a mounting portion for a lighting fixture, and the lamp is a lamp for detachably mounting the lighting fixture to a top plate of a desk body. The engaging portion of the holder may be formed.

A cord lead-out hole may be formed in each of the back plate of the lower shelf and the back plate of the upper shelf.

[0008]

When the configuration according to claim 1 is adopted, a. As in the conventional case, by changing the combination of the desk body, the lower shelf and the upper shelf in the mounted state, (1) a mode in which the lower shelf and the upper shelf are both mounted and used on the top plate of the desk body. , (2) A form in which only the lower shelf is attached to the top surface of the desk body, (3) A form in which only the upper shelf is attached to the top surface of the desk body, (4) The top plate of the desk body The lower shelf and the upper shelf can both be removed from the top surface for use, and can be changed to four usage modes, and b. In the case of the above (2) and (3), the removed upper shelf or lower shelf can be used as a storage shelf by supporting the removed upper shelf or the lower shelf in a horizontal posture at the back side of the knee rest space of the desk body. In the case of the above (4), either one of the removed upper shelf or the lower shelf may be selectively supported in the horizontal position on the back side of the knee insertion space of the desk body and used as a storage shelf. it can.

In the case of the structure according to the second aspect, it is possible to equip the luminaire in any of the above forms (1) to (4) by replacing only one luminaire.

According to the third aspect of the present invention, in any of the above-mentioned configurations (1) to (3), the lower shelf or the code of the lighting fixture or the like mounted on the upper shelf is replaced by the lower shelf. It can be led out to the back side of the desk body through the back plate or the back plate of the upper shelf.

[0011]

The desk with shelves according to claim 1 can not only be used in various ways as in the conventional case, but also can be used in various ways.
The lower shelf or upper shelf removed from the top of the desk body can be used as it is as a storage shelf for the knee insertion space, so the number of shelf components can be reduced to reduce manufacturing costs and store goods. The volume can be increased.

In the desk with shelves according to the second aspect, it is not necessary to prepare as many luminaires as the number of changes in the usage pattern, and it is possible to further reduce the manufacturing cost by diverting one luminaire.

In the desk with shelves according to the third aspect, the cord of the lighting fixture or the like is less likely to appear on the front side of the desk with shelves, and can be advantageously constructed in terms of external design.

[0014]

1 and 2 show an example of the usage of a desk with a shelf according to the present invention used as a learning desk, in which a desk main body A and an upper surface of a top plate 1 of the desk main body A are used. To a lower shelf B, which is detachably attached to the lower shelf B, an upper shelf C which is detachably attached to the lower shelf B in a state of being located above the lower shelf B, and a shelf plate 2 of the lower shelf B. A lighting fixture D that is detachably attached is provided, and the maximum height of the lower shelf B is higher than the maximum height of the upper shelf C. In addition, the top plate 1, a pair of left and right leg plates 3 and 3 attached downward from the lower surface on both left and right sides of the top plate 1, the rear sides of the leg plates 3 and 3 and the rear side of the top plate 1. The knee rest space E of the desk body A, which is surrounded by the back plate 4 attached over the lower surface, is provided with four-tiered drawers 5a in the vertical direction, and the total height is higher than the vertical height of the knee rest space E. The side desk 5, which is configured to be low, is arranged so that it can be freely taken in and out. Furthermore, casters 5b for movement are respectively attached to the four corners on the bottom surface side of the armpit 5, so that the armpit 5 can be moved easily, and among the four drawers 5a. A drawer caster 5c is attached to the bottom end of the bottom drawer 5a so that the bottom drawer 5a can be easily moved in and out of the side desk 5.

The lower shelf B or the upper shelf C is shown in FIGS.
As shown in, each of them can be selectively and detachably attached to the top surface of the top plate 1, and each of the left and right maximum widths H1 of the lower shelves B and the left and right maximum widths H2 of the upper shelves C, The left and right leg plates 3, 3 facing the knee rest space D
Is formed to have a size slightly smaller than the left-right dimension L between the inner side surfaces 6 and 6, and as shown in FIGS. 3 to 6, the lower shelf B or the upper shelf removed from the top surface side of the top plate 1. C is configured to be able to selectively enter the back side of the knee-inserting space E. Further, as shown in FIGS. 1 to 6, the inner surface 6 of each leg plate 3 supports a lower shelf B or an upper shelf C which is selectively inserted into the back side of the knee-inserting space E in a horizontal posture. Support tool 7
A pair of front and rear are provided, and the pair of support tools 7 on the right leg plate 3 side and the pair of support tools 7 on the left leg plate 3 side are attached in a state of facing each other.

As shown in FIG. 7, the top plate 1 and the lower shelf B are configured to be switchable between a fixed connection state and a disconnected state via a pair of fittings 12. Each of the attachments 12 has a substantially U-shaped engaging portion 8 having an opening wider in the vertical direction than the plate thickness of the top plate 1, and the engaging portion 8 concerned.
Is integrally provided with a fixing portion 9 extending upward from the tip edge of the upper plate-shaped portion of the above, and a fixing bolt 10 is screwed and held from below to the lower plate-shaped portion of the engaging portion 8. A long hole 11 that is long in the vertical direction is formed in the fixing portion 9. Then, the lower shelf B is placed at a predetermined position on the top surface of the top plate 1.
Is mounted, and the engaging portions 8 of the pair of fixtures 12 are inserted into both lateral side edges 1a, 1a of the top plate 1 projecting outside the left and right lateral side plates 13 of the lower shelf B. In that state, the screw 14 is inserted into the long hole 11, and the screw 14 is tightened and fixed to the female screw member 15 embedded in the lower outer surface of each of the lateral plates 13. When the lower shelf B is connected and the tightening bolt 10 is further tightened, each lateral side edge 1a of the top plate 1 is located between the upper plate-shaped portion of the locking portion 8 and the tip surface of the tightening bolt 10. It is held and fixed, and the top plate 1 and the lower shelf B are connected via a pair of attachments 12.

Further, the connecting structure of the top plate 1 and the upper shelf C is also constructed in the same manner as described above, and the lateral side plates 1 of the upper shelf C are also arranged.
6, the female screw member 15 and the top plate 1 embedded in the lower outer surface
By fixing the fixtures 12 over the respective lateral side edges 1a of the top plate 1 and the upper shelf C, the pair of fixtures 1
7, the state of connection is established through 2, and the corresponding numbers are added to FIG. 7 which illustrates the connection structure between the top plate 1 and the lower shelf B, and description thereof is omitted.

The connection between the top plate 1 and the lower shelf B is released,
Also, the connection between the top plate 1 and the upper shelf C can be released by following the procedure reverse to the above-mentioned connection.

As shown in FIG. 8, the connecting structure of the lower shelf B and one upper shelf C1 has a locking pin 18 protruding downward and provided with a circumferential groove 18a at its tip end. Each of the lateral side plates 16 of the upper shelf C is detachably screwed and fixed to the female screw member 17 embedded in the front and rear of the lower end surface of each lateral plate 16, and
Before and after the upper end surface of each lateral side plate 13 of the lower shelf B, which faces the locking pins 18 in the vertical direction, the locking pins 1 are provided.
8 is formed so that the locking pin 18 can be inserted into the insertion hole 19 so that the circumferential groove 18 of the locking pin 18 is extended from the outer side of the lateral side plate 13 of the lower shelf B.
By rotating the lock screw 19 screwed toward a, the engagement between the peripheral groove 18a and the tip of the lock screw 19 prevents the lock pin 18 from coming out of the insertion hole 19. It is configured to be switchable between a fixed state and an unlocked state in which the engagement of the locking pin 18 with the insertion hole 19 is allowed by releasing the engagement between the circumferential groove 18a and the tip of the lock screw 18. In addition, the upper shelf B is the top plate 1 of the desk body A.
In the case of directly mounting on the upper surface, the locking pin 18 is removed from the lower end surface of each lateral side plate 16, and then the work of connecting the top plate 1 and the upper shelf C is performed.

As shown in FIGS. 9 and 10, the supporting member 7 is constructed by fixing a receiving member 21 made of synthetic resin having a shelf receiving surface to one end side of the supporting pin 20. On the inner side surface 6 of each leg plate 3, a female screw member 22 is embedded in two positions on the back side, which is lower than the maximum height of the lower shelf B from the lower surface of the top plate 1, to the other end of the support pin 20. The male screw portion formed on the side is screwed to be detachably fixed. Further, among the supporting tools 7, the receiving member 21 of the supporting tool 7 located on the front side is formed in an L-shape, and the shelf receiving surface of the receiving member 21 vertically rises upward. It is composed of a surface 21a and a horizontal surface 21b that extends rearward from the lower end of the vertical surface 21a, and
The receiving member 21 of the supporting member 7 located on the rear side of the supporting member 7 is formed in an inverted triangular shape, and the shelf receiving surface of the receiving member 21 is formed only by the horizontal surface 20b.

The lighting fixture D is not only detachably attached to the upper surface of the shelf 2 of the lower shelf B but also the upper shelf C.
Is configured to be detachably attached also to the upper surface of the shelf board 23 and the upper surface of the top plate 1, and the shelf board 2 and the lighting fixture D of the lower shelf B and the shelf board 23 and the illumination of the upper shelf C. As shown in FIG. 11, the connection structure with the device D is such that a pair of front and rear through-holes, which are an example of a mounting portion, are provided on the left side of each of the shelf plate 2 of the lower shelf B and the shelf plate 23 of the upper shelf C. 24 is formed, and the through hole 24 and the pair of front and rear screw holes 26 formed on the bottom surface side of the supporting portion 25 of the lighting fixture D are opposed to each other, the shelf board 2 of the lower shelf B or The support portion 25 is placed on the upper surface of the shelf plate 22 of the upper shelf C, and the screws 27 are tightened and fixed to the screw holes 26 from below the through holes 24, whereby the shelf plate 2 of the lower shelf B or the upper side thereof. The luminaire D can be selectively attached to the shelf plate 22 of the shelf C. In addition, the connection structure between the top plate 1 of the desk body A and the lighting fixture D is shown in FIG.
As shown in FIG. 2, a tightening bolt 29 is screwed and held on a lower plate-shaped portion of a U-shaped locking portion 28 having an opening wider in the vertical direction than the plate thickness of the top plate 1. By using the existing lamp holder 30, the lighting fixture D can be directly attached to the top plate 1 of the desk body A. Specifically, the supporting portion 25 of the lighting fixture D is provided with an engaging portion 31 into which the upper plate-shaped portion of the engaging portion 28 of the lamp holder 30 can be inserted in the horizontal direction. When the upper plate-shaped portion of the locking portion 28 is inserted, the locking portion 28 is engaged with the lateral side edge 1a of the top plate 1 and the tightening bolt 29 is tightened, the supporting portion 24 of the lighting fixture D and the ceiling are secured. The lateral edge 1a of the plate 1 may be sandwiched between the upper plate-shaped portion of the locking portion 8 and the tip portion of the tightening bolt 26 so that the lighting fixture D can be directly attached to the top plate 1 of the desk body A. it can.
A disc-shaped receiving member 29A that is rotatable around the bolt axis is attached to the tip of the tightening bolt 29, and an operation handle 29B is attached to the base end of the tightening bolt 29. There is.

Therefore, the desk main body A and the lower shelf B are operated by performing the connecting and fixing operation and the releasing operation of the fitting 12, and the engaging operation and the releasing operation of the locking pin 18 and the lock screw 18. And the combination of the upper shelves C in the mounted state can be changed, and the mounting position of the lighting fixture D can also be changed in accordance with the change of the combination, whereby the following four usage patterns are provided. Can be revealed. (1) As shown in FIG. 1 and FIG. 2, the lower shelf B is connected and fixed to the upper surface of the top plate 1 of the desk body A through the fixture 12, and further,
The upper shelf C is connected and fixed to the upper part of the lower shelf B by the locking operation of the lock screw 18 with respect to the locking pin 18, and the lower shelf B and the upper shelf C are attached to the top plate 1 of the desk body A. A configuration in which the lighting fixture D is attached to the shelf board 2 of the lower shelf B while being attached together. (2) As shown in FIG. 3, the lower shelf B is connected and fixed to the upper surface of the top plate 1 of the desk body A through the fixture 12, and only the lower shelf B is attached to the upper surface of the top plate 1 of the desk body A. A form in which the lighting fixture D is attached to the shelf plate 2 of the lower shelf B while being attached.
In this case, pull out the armpit 5 from the knee rest space E,
The removed upper shelf C is allowed to enter the back side of the knee rest space E, and the support tools 7 attached to the inner surface sides of both leg plates 3 and 3, respectively.
The upper shelf C can be effectively used as a storage shelf provided in the knee-inserting space E by placing and supporting it in a horizontal posture over the entire length. (3) As shown in FIG. 4, the upper shelf C is connected and fixed to the upper surface of the top plate 1 of the desk body A through the mounting tool 12, and only the upper shelf C is attached to the upper surface of the top plate 1 of the desk body A. At the same time, the lighting device D is attached to the shelf plate 23 of the upper shelf C. In this case, the side desk 5 is pulled out from the knee rest space E, the removed lower shelf B is allowed to enter the back side of the knee rest space E, and the lower shelves B are attached to the inner surface sides of the leg plates 3 and 3, respectively. By placing and supporting the support 7 in a horizontal posture, the lower shelf B can be effectively used as a storage shelf provided in the knee rest space E. (4) As shown in FIG. 5, the lower shelf B and the upper shelf C are both removed from the top surface of the top plate 1 of the desk body A, and the top plate 1 is removed.
The lighting fixture D is attached to the. In this case, the armpit 5 is pulled out from the knee rest space E, and either the lower shelf B or the upper shelf C that has been removed is inserted into the back side of the knee rest space E, and both leg plates 3 and 3 are removed. By placing and supporting the supporting members 7 mounted on the inner surface side in a horizontal posture,
The lower shelf B or the upper shelf C that is placed and supported can be effectively used as a storage shelf provided in the knee-inserting space E. However, in the usage patterns of (2) to (3) above, the removed lower shelf B or the upper shelf C is attached to the knee rest space E to be effectively used as a storage shelf, or to be effectively used as a storage shelf. Instead, whether it is stored in the closet or a warehouse can be selected according to the user's request. In addition, among the receiving surfaces of the receiving member 21 of the support tool 7 located on the front side, the vertical plane 21a has a lower shelf B or an upper shelf C mounted and supported in a horizontal posture across the support tool 7, It is configured as a restriction portion that restricts the escape from the front side of the knee-inserting space E due to vibration or the like.

Further, on each of the back plate 32 of the lower shelf B and the back plate 33 of the upper shelf C, in the vicinity of the mounting position of the luminaire D, a support portion 25 of the luminaire D and an electric pencil sharpener are provided. A cord lead-out hole 35 for leading out a power cord 34 connected to a device (not shown), an electric timepiece (not shown) and the like to the back side of the desk body A is formed.

[Other Embodiments] In the above embodiment, the lower shelf B with respect to the upper surface of the top plate 1 is used.
Alternatively, when selectively attaching the upper shelf C in a detachable manner, the lateral edge 1a of the top plate 1 and the outer surface of the lateral plate 13 of the lower shelf B or the outer surface of the lateral plate 16 of the upper shelf C are attached. Although it is connected and fixed by the mounting tool 12, the outer surface of the back plate 31 or the outer surface of the back plate 32 of the upper shelf C may be connected and fixed by the mounting tool 12.

The structure of the mounting tool 12 is not limited to the structure of the above embodiment, and the lower shelf B or the upper shelf C can be selectively and detachably mounted on the top surface of the top plate 1. If possible, the structure can be variously modified.

A drawer may be provided on the lower surface of the top plate 1 for implementation.

The top plate 1 is replaced with the left and right leg plates 3 and 3.
Struts are erected at each of the four corners of the lower surface to form legs, and a connecting plate is attached across the pair of left-side columns, and a pair of right-side columns is connected to face the connecting plate. A plate may be attached, and the support portion 7 may be provided on the inner side surfaces of the two connecting plates facing the knee insertion space E.

It should be noted that although reference numerals are given in the claims for convenience of comparison with the drawings, the present invention is not limited to the structures of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a front view of a desk with a shelf in which both a lower shelf and an upper shelf are attached to a top surface of a top plate.

FIG. 2 is a side view of a desk with a shelf in which both the lower shelf and the upper shelf are attached to the top surface of the top plate.

FIG. 3 is a front view of a desk with a shelf in which only a lower shelf is attached to a top surface of a top plate.

FIG. 4 is a front view of a desk with a shelf in which only the upper shelf is attached to the top surface of the top plate.

[FIG. 5] Both the lower shelf and the upper shelf are removed from the top surface of the top plate,
Front view of a desk with shelves in which the lower shelves are inserted into the knee-knee space

[FIG. 6] Both the lower shelf and the upper shelf are removed from the top surface of the top plate,
Front view of a desk with shelves in which the upper shelves are inserted into the knee rest space

7 is a sectional view taken along line VII-VII of FIG.

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a cross-sectional view of a state in which a horizontal side plate of a lower shelf or an upper shelf is placed on the support portion.

10 is a sectional view taken along line XX of FIG.

FIG. 11 is a cross-sectional view of a state in which a lighting fixture is attached to a shelf plate of a lower shelf or a shelf plate of an upper shelf.

FIG. 12 is a cross-sectional view showing a state in which a lighting device is attached to the top plate.

[Explanation of symbols]

 A Desk Main Body B Lower Shelf C Upper Shelf D Lighting Fixture E Knee Putting Space H1 Left and Right Maximum Width H2 Left and Right Maximum Width 1 Top Plate 6 Inner Side 7 Supporting Tool 12 Mounting Tool 24 Mounting Section 30 Lamp Holder 31 Engaging Section 32 Back Board 33 Back plate 35 Cord lead-out hole

Claims (3)

[Claims] 1. A desk body (A), a lower shelf (B) removably attached to the upper surface of a top plate (1) of the desk body (A), and an upper part of the lower shelf (B). A shelf-equipped desk equipped with an upper shelf (C) detachably attached to the lower shelf (B) in a state of being located on a top plate (1) of the desk body (A). On the other hand, a fixture (12) for selectively detachably attaching the lower shelf (B) or the upper shelf (C) is provided, and the left and right maximum width (H1) of the lower shelf (B) and the upper side. Each of the left and right maximum widths (H2) of the shelf (C) is configured to be able to enter the back side of the knee rest space (E) of the desk body (A), and further, the knees of the desk body (A). A support tool (7) for selectively supporting the lower shelf (B) or the upper shelf (C) in a horizontal posture is provided on the inner surface (6) facing the receiving space (E). Shelf with a desk that is. 2. The lower shelves (B) and the upper shelves (C) are each provided with a mounting portion (24) for a lighting fixture (D), and the lighting fixture (D) includes: The desk with shelves according to claim 1, wherein an engaging portion (31) of a lamp holder (30) for detachably attaching the lighting device (D) to the top plate (1) of the desk body (A) is formed. . 3. A cord lead-out hole (35) is formed in each of the back plate (32) of the lower shelf (B) and the back plate (33) of the upper shelf (C). Desk with a shelf described in 2.