JP2022033611A - desk - Google Patents

Abstract

To provide a desk having a top plate and a modesty panel that can downsize the top plate and a processing line required for manufacturing without deteriorating the usability, is hardly restricted in procurement, transportation, etc. of materials, can suppress an increase in the number of components, and can reduce assembly man-hours, operation man-hours in changing the height position of the top plate, etc.SOLUTION: A desk 1 includes a leg body 1 having a first attaching part 1a and a second attaching part 1b with mutually different height positions, a top plate 2 supported by the leg body 1 directly or indirectly, a top surface formation plate 3 selectively attached to one of the first and second attaching parts 1a and 1b of the leg body 1, and a modesty panel 4 suspended from the rear edge of the top surface formation plate 3. At least the top surface formation plate 3 and the modesty panel 4 are integrally configured, and the top plate 2 is disposed before the top surface formation plate 3 so that the top faces 3a and 2a are continuously flush with each other.SELECTED DRAWING: Figure 4

Description

The present invention relates to a desk in which the height position of the top plate can be changed.

Conventionally, as a desk of this type, a fixture in which a top plate is supported so that the height position can be changed between a pair of legs is known (see, for example, Patent Document 1).

By the way, the top plate in this type of furniture has a large form in which the rear end is located near the rear end of the leg and the front end side extends toward the user side from the front end of the leg. Therefore, it is necessary to manufacture the top plate using a relatively large material, which leads to an increase in the size of the processing line required for manufacturing and is liable to be restricted in the procurement and transportation of the material.

In addition, when it is necessary to conceal the lower limb space under the top plate with this type of furniture, it is necessary to prepare a separate curtain plate, but if the curtain plate is provided in a manner independent of the top plate, the number of parts will increase. , The number of man-hours for assembling and the work man-hours for changing the height position of the top plate increase.

Japanese Unexamined Patent Publication No. 2019-201740

An object of the present invention is to solve the above-mentioned problems.

The desk according to the first aspect of the present invention has a leg body having a first mounting point and a second mounting point having different height positions from each other, and a top plate directly or indirectly supported by the leg body. A top surface forming plate that is selectively attached to any of the first and second attachment points of the leg body, and a curtain plate that hangs down from the trailing edge of the top surface forming plate. At least the top surface forming plate and the curtain plate are integrally formed, and the top plate is arranged in front of the top surface forming member so that the upper surfaces are flush with each other.

The desk according to the invention according to claim 2 is the one according to claim 1, and a shelf board is integrally provided under the curtain board.

The desk according to the invention according to claim 3 is the one according to claim 1 or 2, and the top plate in a state where the top surface forming plate is attached to the first mounting portion is in a standing posture by the user. It is held in a high level position suitable for use.

The desk according to the invention according to claim 4 is the one according to claim 1 or 2, and the top plate in a state where the top surface forming plate is attached to the second mounting portion is in a sitting posture by the user. It is held in a low level position suitable for use.

The desk according to claim 5 is the desk according to claim 1 or 2, wherein at least the top surface forming plate and the curtain plate are integrally formed of a common sheet metal material. Is.

The desk according to the invention according to claim 6 is the one according to claim 2, and the top surface forming plate, the curtain plate, and the shelf plate are integrally formed of a common sheet metal material. It is a product.

According to the present invention, it is possible to reduce the size of the top plate without deteriorating usability, suppress the increase in the number of parts, and solve all the above-mentioned problems. Can be provided.

The perspective view which shows the desk which concerns on 1st Embodiment of this invention. The bottom side perspective view which shows the desk which concerns on the same embodiment. The front view which shows the desk which concerns on the same embodiment. FIG. 3 is a cross-sectional view taken along the line AA in FIG. An exploded perspective view showing a desk according to the same embodiment. An exploded perspective view showing a desk according to the same embodiment. The back side perspective view which shows the desk which concerns on the same embodiment. A central sectional view showing a desk of the usage mode shown in FIG. 7. The perspective view which shows the desk which concerns on 2nd Embodiment of this invention. The bottom side perspective view which shows the desk which concerns on the same embodiment. The front view which shows the desk which concerns on the same embodiment. FIG. 11 is a cross-sectional view taken along the line BB in FIG. An exploded perspective view showing a desk according to the same embodiment. The back side perspective view which shows the desk which concerns on the same embodiment. A central sectional view showing a desk of the usage mode shown in FIG.

Hereinafter, the first embodiment of the present invention will be described with reference to FIGS. 1 to 8.

As shown in FIGS. 1 to 4 and 7 to 8, the desk D1 of this embodiment is a pair of left and right having a first mounting portion 1a and a second mounting portion 1b having different height positions from each other. The leg body 1, the top plate 2 supported by the leg body 1, the top surface forming plate 3 selectively attached to any of the first and second attachment points 1a and 1b of the leg body 1, and the top plate forming plate 3. It is provided with a curtain plate 4 hanging from the trailing edge of the top surface forming plate 3, and the top surface forming plate 3 and the curtain plate 4 are integrally formed and in front of the top surface forming plate 3. The top plate 2 is arranged so that the upper surfaces 2a and 3a are continuous with each other. In this embodiment, the shelf plate 5 is integrally provided at the lower part of the curtain plate 4, more specifically, at the lower end 4x, and the top surface forming plate 3, the curtain plate 4, and the shelf plate 5 are common. It is a bent product that is integrally formed from the sheet metal material of. In this specification, the above-mentioned shelf board 5 that maintains a certain relative positional relationship with the top plate 2 is referred to as a "dependent type shelf board 5", and the other shelf board 6 is referred to as an "independent type shelf board 6". Sometimes referred to.

More specifically, as shown in FIGS. 1, 2, 4, 4, 7, and 8, each leg 1 has a front pedestal 11, a rear pedestal 12, and these front pedestals 11 and rear. The upper connecting member 13 for connecting the upper ends of the pedestal 12 and the lower connecting member 14 for connecting the vicinity of the lower ends of the front pedestal 11 and the rear pedestal 12 are provided. The front pedestal 11 is in a backward tilted posture, the rear pedestal 12 is in a substantially vertical posture, and the upper and lower connecting members 13 and 14 are in a horizontal posture. The first mounting portion 1a is set at the upper end portion of the leg body 1, and at each first mounting portion 1a, for example, three nuts n1 for mounting the top plate and an independent type shelf plate 6 are provided. Two nuts n3 for mounting the nuts n3 are arranged respectively. Specifically, the nuts n1 and n3 are embedded in the front and rear pedestals 11 and 12 with screw holes opened on the inner side surface side of the leg body 1. The second mounting point 1b is set so as to be positioned below the first mounting point 1a by a certain distance, and each second mounting point 1b has, for example, three nuts for mounting the top plate. n2 is arranged. Specifically, each nut n2 has screw holes opened on the inner side surface side of the leg body 1 in the same manner as the three nuts n1 arranged at the first mounting portion 1a, and the front and rear pedestals 11 and 12 are opened. It is buried in. Further, the leg body 1 is a third for attaching the independent type shelf plate 6 to a position near the lower end in a state where the top plate 2 and the top surface forming plate 3 are attached to the first attachment portion 1a. It has a mounting location 1c. At the third mounting portion 1c, a nut n4 having a screw hole opened on the inner surface side of the lower connecting member 14 of the leg body 1 is arranged. Then, as described above, the top plate 2 and the top surface forming plate 3 are selectively attached to any of the first and second attachment points 1a and 1b. The front pedestal 11 and the rear pedestal 12 are flat prism pipes having a rectangular cross section, and the thickness dimension in the left-right direction is set to be smaller than the width dimension in the front-rear direction. The upper connecting member 13 and the lower connecting member 14 described above have a shape that does not protrude from the outer surfaces 11x and 12x of the pedestals 11 and 12, and have the same structure on the outer surfaces 11x and 12x of the pedestals 11 and 12. The outer surfaces 11x and 12x of the pedestals 11 and 12 of the other desk D2 can be brought into close contact with each other.

As shown in FIGS. 1 to 8, the top plate 2 is mainly composed of a rectangular wooden top plate main body 21, and brackets 22 are provided at both left and right ends of the lower surface 21c of the top plate main body 21. It is stopped. As shown in FIGS. 2, 4, 5, and 8, the bracket 22 has a bracket main body 221 arranged on the side of the top plate main body 21 and a top plate main body 21 extending from the upper edge of the bracket main body 221. It is provided with a mounting portion 222 to be fastened to the lower surface 21c of the above. The bracket main body 221 is provided with screw insertion holes 22a corresponding to the nuts n1 and n2 for mounting the top plate at the first and second mounting points 1a and 1b of the leg body 1. Then, by screwing a bolt (not shown) that has passed through the screw insertion hole 22a to the nuts n1 and n2 for mounting the top plate, the top plate 2 becomes one of the first and second mounting points 1a and 1b. It can be attached and detached.

The top plate 2 attached to the first attachment portion 1a is held at a high level position (H) as shown in FIGS. 1 to 4 suitable for the user to use in an upright posture. The top plate 2 attached to the second attachment portion 1b is held at a low level position (L) as shown in FIGS. 7 to 8 suitable for the user to use in a sitting posture. In the case of this embodiment, the upper surface 2a of the top plate 2 held at the high level position (H) is held at a height position 900 mm away from the floor surface, and is held at the low level position (L). The upper surface 2a of the plate 2 is held at a height position 720 mm away from the floor surface. These numerical values are examples, and the design can be changed as appropriate. The wooden top plate main body 21 is attached to the front half of the bracket 22. A top surface forming plate 3 is arranged in the latter half of the bracket 22, and the top surface forming plate 3 is also one of the first and second attachment points 1a and 1b of the leg body 1 via the bracket 22. It is designed to be selectively attached to.

The top surface forming plate 3 is made of sheet metal having a rectangular shape in a plan view, and as shown in FIGS. 2, 4, 5, and 8, hangs down from the leading edge along the rear surface of the top plate main body 21. The hanging plate 31 is integrally provided with a top plate receiving plate 32 extending forward from the lower edge of the hanging plate 31 and screwed to the lower surface of the top plate main body 21, and side plates 33 hanging from both left and right edges. .. A curtain plate 4 is vertically installed on the trailing edge of the top surface forming plate 3, and a dependent type shelf plate 5 is provided at the hanging lower end 4x of the curtain plate 4.

The curtain plate 4 is a flat plate that is integrated with the top surface forming plate 3, and as shown in FIGS. 2, 4, 5, and 8, on the left and right side edges, the rear pedestal 12 of the leg body 1 is used. The side plate 41 to be screwed is integrally provided. The curtain plate 4 is arranged so that its outer surface 4a is continuous with the rear end surface 12y of the rear pedestal 12 of the leg body 1 and is detachably screwed to the leg body 1 using screws (not shown). ing. Reference numeral 41a is a screw insertion hole for inserting a screw for fixing the side plate 41 of the curtain plate 4 to the leg body 1.

The dependent type shelf plate 5 is a flat plate shape parallel to the top plate 2 and the top surface forming plate 3, and as shown in FIGS. 2, 4 and 8, side plates 51 are integrally installed on both left and right edges. In addition, the front frame 52 is integrally formed on the front edge. The continuous portion between the curtain plate 4 and the shelf plate 5 that are orthogonal to each other is reinforced by, for example, a reinforcing plate 7 having a vertical portion 71 and a horizontal portion 72. The vertical portion 71 of the reinforcing plate 7 is rigidly connected to the inner surface of the side plate 41 of the curtain plate 4 in a close contact state, and the horizontal portion 72 is rigidly connected to the outer surface of the side plate 51 of the shelf plate 5 in a close contact state. Reference numeral 71a is a screw insertion hole for inserting a screw (not shown) for fastening the side plate 41 of the curtain plate 4 and the vertical portion 71 of the reinforcing plate 7 to the leg body 1.

Then, in a state where the top plate 2 and the top surface forming plate 3 are attached to the first attachment portion 1a, as shown in FIGS. 1 to 4, the independent type shelf plate 6 is attached to the third attachment portion 1c. In a state where the top plate 2 and the top surface forming plate 3 are attached to the second attachment portion 1b, the independent type shelf plate 6 is the second as shown in FIGS. 7 to 8. It can be attached to the attachment point 1a of 1. The independent type shelf board 6 attached to the third attachment point 1c can exert not only the original shelf board function but also the function as a footrest. In that case, it is desirable to attach a cover having a U-shaped cross section (not shown) on the upper surface 3a side of the shelf board 3.

The independent type shelf board 6 is made of sheet metal having a rectangular shape in a plan view. As shown in FIGS. 4 and 8, a front frame 61 and a rear frame 62 extending downward are provided on the leading edge and the trailing edge of the shelf board 6, respectively, and both the left and right sides of the shelf board 6 are provided. A side plate 63 extending downward is provided on the edge. A notch 63a for screw insertion is formed in the side plate 63. As shown in FIG. 8, in a state where the top plate 2 and the top surface forming plate 3 are attached to the second attachment portion 1b, a bolt (not shown) that has passed through the notch 63a for screw insertion is first attached. The shelf plate 6 can be detachably attached to the first attachment portion 1a by screwing it to the two nuts n3 for attaching the shelf plate at the portion 1a. On the other hand, in a state where the top plate 2 and the top surface forming plate 3 are attached to the first attachment portion 1a, as shown in FIG. 4, a bolt (not shown) through which the notch 63a for screw insertion is passed is connected to the lower connecting member. By screwing each of the nuts n4 of 14, the shelf plate 6 can be detachably attached to the third attachment portion 1c.

Here, FIG. 1 is an overall perspective view from the upper surface side showing a state in which the top plate 2 is attached to the first attachment portion 1a of the leg body 1, and FIG. 2 is an overall perspective view from the bottom surface side. be. FIG. 3 is a front view of the same, and FIG. 4 is a cross-sectional view taken along the line AA in FIG. FIG. 5 is an exploded perspective view showing a top plate main body 21, a bracket 22, a top surface forming plate 3, a curtain plate 4, and a dependent type shelf plate 5. FIG. 6 is an exploded perspective view showing a mode in which the top plate 2, the top surface forming plate 3, the curtain plate 4, and the dependent type shelf plate 5 are attached to the leg body 1. FIG. 7 is an overall perspective view from the back side showing a state in which the top plate 2 is attached to the second attachment portion 1b of the leg body 1. FIG. 8 is a cross-sectional view on the center side showing the same state.

In the case of such a configuration, since the upper surface 2a of the top plate 2 and the upper surface 3a of the top surface forming plate 3 are continuous, these upper surfaces 2a and 3a are equivalent to the top plate surface of the conventional top plate. Can be used for. Therefore, the top plate 2 can be made smaller than the conventional top plate, and even if the top plate 2 is made smaller, the usability does not deteriorate. If the top plate 2 can be miniaturized in this way, the manufacturing equipment for manufacturing the top plate 2 can be made compact without difficulty, and the procurement and transportation of materials for making the top plate 2 can also be performed. It will be easier.

Further, in this embodiment, since the top surface forming plate 3, the curtain plate 4, and the dependent type shelf plate 5 are integrally formed, the number of parts can be significantly reduced, and the man-hours and assembly required for manufacturing can be significantly reduced. Alternatively, the man-hours required for rearrangement can be reasonably reduced.

By attaching the top plate 2 and the top surface forming plate 3 to the first mounting positions 1a on the left and right legs 1, the desk D1 has the upper surface 2a of the top plate 2 and the upper surface 3a of the top surface forming plate. It will be held in the high level position (H), and for example, the user can face the top plate 2 in an upright posture. In this case, the shelf board 3 can be attached to the third attachment position 1c on the leg body 1. Therefore, the shelf board 3 is located below the dependent type shelf board 5 integrated with the curtain board 4 and attached to the leg body 1, and the independent type shelf board 6 and the dependent type shelf board 5 It is possible to put stored items such as files on both of them and use them. In this case, since the back surface of the space formed between the shelf plate 5 and the top plate 2 is hidden by the curtain plate 4, it is possible to prevent others from seeing the stored items placed on the shelf plate 5 from behind. be able to. A high-type chair having a seating surface higher than that normally used in an office is separately prepared, and the desk D1 in which the upper surface 2a of the top plate 2 and the upper surface 3a of the top surface forming plate are held at the high level position (H). When used together, this desk D1 can be used even in a sitting position, it is easy for the seated person to stand up and sit down, and it is also suitable for communication between the seated person and the standing person. You can also get the advantage of being able to store files in two stages.

On the other hand, by attaching the top plate 2 to the second attachment position 1b on the left and right leg bodies 1, the upper surface 2a of the top plate 2 and the upper surface 3a of the top surface forming plate 3 are held at the low level position (L). This makes it suitable for the user to face the top plate 2 in a sitting position using a normal office chair or the like. In this case, the independent type shelf board 6 can be removed from the third mounting point 1c and mounted on the first mounting point 1a. In this case, the upper surface 6a of the shelf plate 6 is held at the high level position (H) higher than the upper surface 2a of the top plate 2 held at the low level position (L). The curtain plate 4 can be moved together with the top plate 2 and the top surface forming plate 3 and attached to the leg body 1 in a posture of hanging from the top surface forming plate 3 at the low level position (L). The dependent type shelf plate 5 can be moved downward together with the top surface forming plate 3 and the curtain plate 4 to be attached to a new position, and the dependent type shelf plate 5, the top plate 2 and the top surface forming in this attached state. The relative position with the plate 3 is the same. Therefore, a constant space is always formed on the sub-shelf plate 5, and the back surface of this space is hidden by the curtain plate 4. Therefore, even when the top plate 2 is held at the low level position (L), it is possible to prevent others from seeing the stored items placed on the sub-shelf plate 5 from behind.
<Second embodiment>
Hereinafter, the second embodiment of the present invention will be described with reference to FIGS. 9 to 15. In explaining the desk D2 of the second embodiment, the same reference numerals are given to the same or corresponding parts as the desk D1 of the first embodiment described above, and the description is omitted or simplified.

As shown in FIGS. 9 to 12 and 14 to 15, the desk D2 has a pair of left and right legs 1 having a first mounting portion 1a and a second mounting portion 1b having different height positions from each other. A top plate 2 supported by the leg 1, a top forming plate 3 selectively attached to any of the first and second attachment points 1a and 1b of the leg 1, and the top forming. It is provided with a curtain plate 104 hanging from the trailing edge of the plate 3, and the top surface forming plate 3 and the curtain plate 104 are integrally configured, and the top plate 2 is in front of the top surface forming plate 3. Are arranged so that the upper surfaces 2a and 3a are continuous with each other. The top surface forming plate 3 and the curtain plate 104 are bent products integrally formed of a common sheet metal material. In this embodiment, a dependent type shelf plate 105 that is separate from the curtain plate 104 and maintains a certain relative positional relationship with the top plate 2 is arranged in the vicinity of the hanging lower end 104x of the curtain plate 104. ..

Here, the leg body 1, the top plate 2, the top plate forming plate 3, and the independent type shelf plate 6 may be exactly the same as or substantially the same as those of the first embodiment described above, but the curtain plate. The 104 and the dependent type shelf board 105 have different configurations from those of the first embodiment.

The curtain plate 104 is a flat plate that is integrated with the top surface forming plate 3, and as shown in FIGS. 9, 10, 12, 13, and 15, the left and right side edges of the curtain plate 104 are behind the legs 1. A side plate 141 screwed to the pedestal 12 is integrally provided, and a lower frame 142 is integrally formed at the lower portion thereof, more specifically, at the lower end 104x of the hanging end plate. The side plate 141 is formed with a screw insertion hole 141a for screwing the curtain plate 104 to the leg body 1. Further, a notch 141b for avoiding interference with the bracket 22 of the top plate 2 is formed at the upper end portion of the side plate 141, and interference with the dependent type shelf plate 105 is formed in the vicinity of the hanging lower end 104x. A notch 141c is provided for avoidance.

The dependent type shelf plate 105 is made of sheet metal with both front and rear edges and both left and right edges extending downward. As shown in FIGS. 9 to 13, the leading edge and the trailing edge of the shelf board 105 are provided with a front frame 151 and a rear frame 152 extending downward, respectively, and both left and right sides of the shelf board 105. A side plate 153 extending downward is provided on the edge. A notch 153a for screw insertion is formed in the side plate 153. The shelf plate 105 is detachably screwed to the rear pedestal 12 of the leg body 1 via the bracket 154. The bracket 154 is made of sheet metal and includes a horizontal portion 155 that supports the shelf plate 105 and a hanging portion 156 that is screwed to the leg support 12. The horizontal portion 155 includes a support plate 155a that supports the lower surface of the shelf plate 105, and an end plate 155b that stands up from the outer edge of the support plate 155a and is attached to the outer surface of the side plate 153 of the shelf plate 105. A pin (not shown) that engages with the notch 153a of the side plate 105 is planted in the 155b. A recessed portion 156a with which the lower frame 142 of the curtain plate 104 is engaged is formed in the hanging portion 156, and a screw insertion hole 156b for screwing the bracket 154 to the leg body 1 is bored. .. In the case of this embodiment, the hanging portion 156 has a double structure including an outer sheet metal 156x integrally with the horizontal portion and an inner sheet metal 156y attached to the inside of the outer sheet metal 156x, but it is not always the case. It is not limited to such a thing.

Here, FIG. 9 is an overall perspective view from the upper surface side showing a state in which the top plate 2 is attached to the first attachment portion 1a of the leg body 1, and FIG. 10 is an overall perspective view from the bottom surface side. be. 11 is a front view of the same, and FIG. 12 is a cross-sectional view taken along the line BB in FIG. FIG. 13 is an exploded perspective view showing a top surface forming plate 3, a curtain plate 104, and a dependent type shelf plate 105. FIG. 14 is an overall perspective view from the back surface side showing a state in which the top plate 2 is attached to the second attachment portion 1b of the leg body 1. FIG. 15 is a cross-sectional view on the center side showing the same state.

Even in the desk D2 having such a configuration, since the upper surface 2a of the top plate 2 and the upper surface 3a of the top surface forming plate 3 are continuous, these upper surfaces 2a and 3a are equivalent to the top plate surface of the conventional top plate. Can be used for. Therefore, the top plate 2 can be made smaller than the conventional top plate, and even if the top plate 2 is made smaller, the usability does not deteriorate. If the top plate 2 can be miniaturized in this way, the manufacturing equipment for manufacturing the top plate 2 can be made compact without difficulty, and the procurement and transportation of materials for making the top plate 2 can also be performed. It will be easier.

Further, also in this embodiment, since the top surface forming plate 3 and the curtain plate 4 are integrally formed, the number of parts can be reduced, and the man-hours required for manufacturing and the man-hours required for assembly or rearrangement can be reasonably reduced. can do.

The present invention is not limited to the embodiment described above.

For example, the number of shelves, that is, the number of places where the top plate can be attached may be arbitrarily set as long as it is two or more, and the height position of each top plate may be arbitrarily set. The shape of the leg is not limited to that of each of the above-described embodiments, and may be arbitrarily set.

Further, the top plate is not limited to a wooden one, and may be made of sheet metal, for example.

Further, in addition to the embodiment in which the top surface forming plate and the curtain plate are integrally formed by a common sheet metal material, for example, the top surface forming plate and the curtain plate formed separately are fixed to each other by welding or a fastener. An aspect of being integrated may be adopted. Further, as the sheet metal material, various materials such as stainless steel and other steel materials and aluminum plates may be adopted.

In addition, various modifications may be made as long as the gist of the present invention is not impaired.

D1, D2 ... Desk 1 ... Leg 1a ... First mounting point 1b ... Second mounting point 2 ... Top plate 2a ... Top surface 3 ... Top surface forming plate 3a ... (Top surface forming plate) Top surface 4, 104 ... Curtain board 5, 105 ... (Dependent type) shelf board (H) ... High level position (L) ... Low level position

Claims (6)

A leg body having a first mounting point and a second mounting point having different height positions, a top plate directly or indirectly supported by the leg body, and first and second mounting points of the leg body. It is provided with a top surface forming plate that can be selectively attached to any of the mounting points of the above, and a curtain plate that hangs down from the trailing edge of the top surface forming plate.
A desk in which at least the top surface forming plate and the curtain plate are integrally formed, and the top plate is arranged in front of the top surface forming member so that the upper surfaces are flush with each other. The desk according to claim 1, wherein a shelf board is integrally provided under the curtain board. The first or second aspect of the present invention, wherein the top plate in a state where the top surface forming plate is attached to the first mounting portion is held at a high level position suitable for the user to use in an upright posture. desk. The first or second aspect of the present invention, wherein the top plate in a state where the top surface forming plate is attached to the second mounting portion is held at a low level position suitable for use in a sitting posture by the user. desk. The desk according to claim 1 or 2, wherein at least the top surface forming plate and the curtain plate are bent products integrally formed of a common sheet metal material. The desk according to claim 2, wherein the top surface forming plate, the curtain plate, and the shelf plate are integrally formed of a common sheet metal material.

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