JP3069782B2 - Desk shelf support height adjustment structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for adjusting the height of a shelf support of a desk, and more particularly, to a shelf support provided with a shelf on the front side thereof, which is vertically movable. The present invention relates to an adjustment structure capable of arbitrarily changing the height of a plate.

[0002]

2. Description of the Related Art Conventionally, a shelf support having a plurality of shelves has been arranged above a top board of a learning desk or the like. The shelf support is fixed at two positions on the left and right sides of the top plate on the depth side of the desk using a U-shaped bracket or the like. According to this, the storage area can be formed at a place other than the drawer of the desk, and the space can be three-dimensionally used.

[0003]

However, in this type of desk, since the shelf support is fixed on the top, the top corresponding to the installation area of the shelf support is provided. There is a disadvantage that the upper surface cannot be used effectively and the working area on the top plate is narrowed. In addition, in the current situation where computers are used for learning as in recent years, the existence of a fixed shelf support is rather an obstacle.

[0004]

SUMMARY OF THE INVENTION The present invention has been devised in view of such inconveniences. In particular, the height of a shelf support on which a shelf is mounted is adjustable, and the shelf is partitioned by the shelf. It is an object of the present invention to provide a shelf plate height adjusting structure capable of arbitrarily expanding and reducing a space on a top plate as needed.

[0005]

In order to achieve the above object, a height adjustment structure of a shelf support according to the present invention comprises a top plate, and a pair of side members arranged on both left and right sides of the top plate. A shelf support provided between the rear portions of the side members, and a shelf mounted on the front side of the shelf support, and the shelf support is moved up and down with respect to the side members. Thereby, the height of the shelf can be adjusted. Specifically, the one providing the guide groove extending vertically on each side member, provided the support frame supporting frame is provided on both left and right sides of the shelf plate support to be vertically movable in the guide groove, said support The frame extends vertically
A slit is formed, and the slit is formed in the slit.
An adjustment screw is inserted from the side member side.
The tip side can be screwed into the nut member located in the slit
The support frame is provided so as to be fixed to the side member at a predetermined height position. With this configuration, the height of the shelf mounted on the shelf support can be adjusted by appropriately adjusting the height of the shelf support. Therefore, for example, when it becomes necessary to mount a computer device or the like on a tabletop of a desk or the like, a mounting area can be formed by changing the height of the shelf, and an optimal shelf can be formed in accordance with the use mode of the desk. Effective space utilization can be achieved through position determination. Also, adjust the adjustment screw
Support for side members in a slightly loosened state without removing
The frame can be moved up and down to a predetermined height
Fix the position by tightening the adjustment screw again
be able to.

[0006]

DETAILED DESCRIPTION OF THE INVENTION The nut member according to the present invention
It is good to provide a step to engage with the forming edge of the slit,
This step engages with the forming edge of the slit to form a nut member.
It is preferable to configure so as to restrict the rotation. this
When the adjustment screw is rotated, the nut
Sometimes rotation is prevented.

[0007]

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a structure for adjusting the height of a shelf support of a desk according to the present invention.

FIG. 1 is a schematic perspective view showing the entire structure of the present embodiment. In this figure, a desk 10 includes a top plate 11, a pair of side members 12 arranged on the left and right sides of the top plate 11, and a pair of side members 12.
A leg member 13 provided in the front-rear direction at a lower end position of the front panel, a back panel 15 serving as a shelf support disposed between the side members 12, 12, and a plurality of front panels provided on the front side of the back panel 15. And a shelf 16.

The side member 12 is formed of a hollow member and has an external shape that fits in an L-shaped cutout region formed on the depth side of the top plate 11. Specifically, as shown in FIG.
An inner wall 20 located in the notch area and along the side end surface of the top plate 11, a curved concave portion 21 provided as a guide groove provided on a rear end side of the inner wall 20, and the inner wall 20 and the curved concave portion An outer surface wall 22 which forms an outer surface in continuation with 21
And a decorative panel 2 provided on the surface side of the outer wall 22.
3 is provided. Here, the side member 12
Are formed on the front side and the rear end side, respectively. Caps 26 are formed in these holes 25 (see FIG. 1).
A projection (not shown) formed on the lower surface side of the first member can be fitted. The side member 12 has a concave groove 27 on its rear end surface, and the adjusting screw 2 penetrating the bottom of the groove 27 is provided.
8 is inserted through the washer 29. The distal end of the adjusting screw 28 can be engaged with the support frame 30 received in the curved concave portion 21. In addition, slits 20A and 20B extending vertically (in a direction perpendicular to the paper surface of FIG. 2) are formed at two front and rear portions of the inner wall 20, and an intermediate portion thereof, as shown in FIG.
Engagement hole 31 formed by partially cutting inner wall 20
Are formed at equal intervals along the vertical direction.

The support frame 30 is provided on the back panel 1.
The supporting frame 30 is formed of a hollow body having an outer peripheral shape along the curved concave portion 21. A slit 34 is formed on the rear end surface of the support frame 30 in a vertical direction, that is, in a direction perpendicular to the plane of FIG. 2, and the adjustment screw 28 reaches the inside of the support frame 30 through the slit 34. . Here, a nut member 35 that can be screwed with the adjustment screw 28 is disposed inside the support frame 30 inside the slit 34. The nut member 35 has a stepped portion 35A that engages with the forming edge of the slit 34, so that the nut member 35 does not rotate even when the adjustment screw 28 is rotated.

As shown in FIG. 1, the shelf 16 provided on the front side of the back panel 15 is supported via a bracket 36 having a substantially fan shape in a side view. The bracket 35 has a hook-shaped hook (not shown) at the rear end thereof, and the hook is detachably provided in a plurality of slit holes 37 (see FIG. 3) formed along the vertical direction of the panel member 32. Have been. Accordingly, the height adjustment of the shelf 16 can be achieved by changing the height of the back panel 15 and also by changing the engagement position of the bracket 35. In the present embodiment, the shelves 16 are provided so as to be located in respective upper and lower regions of the top plate 11.

2 and 3 on the back side of the top plate 11.
As shown in the figure, a horizontal frame 4 made of a hollow prism
0 and a vertical frame 41 extending from both ends of the horizontal frame to the front side of the top plate 11 are provided. Horizontal frame 40
Are arranged on the depth side of the top plate 11, and are provided such that both ends thereof face the inner wall 20 of the side member 12. Inside the both ends of the horizontal frame 40, blocks 45 each having a claw 44 that can be engaged and disengaged with an engagement hole 31 formed in the inner wall 20 of the side member 12 are accommodated. A spherical lever 46 protrudes from a side end surface of the block 45 through a slit hole 47 of the horizontal frame 40. When the spherical lever 46 is moved to the left in FIG. Can escape from the engagement hole 31. A spring receiving member 48 is disposed in the horizontal frame 40 at a predetermined distance from the block 45, and a coil spring 49 is interposed between the spring receiving member 48 and the block 45. The claw 44 of the block 45 is urged in a direction to engage with the engagement hole 31.

As shown in FIGS. 2 and 4, the horizontal frame 40 and the vertical frame 41 are provided with plate members 50 via means such as welding. The plate member 50 has an outer surface directed substantially vertically, and
Is provided so as to face the inner wall 20. Also,
A bolt 51 is inserted into the depth side of the plate member 50,
The tip of the bolt 51 is connected to the slit 2 of the inner wall 20.
0A into the side member 12 slightly,
It is adapted to be screwed into a nut member 52 arranged in 0A. On the other hand, from the inner surface side of the vertical frame 41, a bolt 53 extends through the vertical frame 41, and its tip slightly extends into the slit 20B, and
It is adapted to be screwed into a nut member 54 in OB.
Here, the bolts 51 and 53 act so that the plate member 50 comes into pressure contact with the inner wall 20 of the side member 12 when tightened to the corresponding nut members 52 and 54, respectively. Each of the nut members 52 and 54 has the slits 20A and 20A similarly to the nut member 35 described above.
B is formed so as to be able to engage with the forming edge, so that even if the bolts 51 and 53 are rotated, they cannot be rotated at the same time.

Next, the operation of adjusting the height of the shelf support according to the present embodiment will be described with reference to FIGS.

Here, as shown in FIG.
The position shown in FIG. 1 where the back panel 15 supporting the first 6 is set as the initial position. Here, when adjusting the height of the shelf 16, as shown in FIG. 5, the adjusting screw 28 is loosened from the rear of the side member 12 to slightly retreat the tightening position with respect to the nut member 35. Then, the space between the washer 29 and the nut member 35 is widened, and the force for sandwiching the forming edge region of the slit 34, that is, the engaging force of the back panel 15 with the side member 12 is released, and the back panel 1 is released.
5 can be moved up and down.

Therefore, for example, as shown in FIG.
The back panel 15 can be raised, and at the desired position, the adjusting screw 28 is tightened again to remove the back panel 1.
5 can be fixed to the side member 12. On this occasion,
If the shelf 16 located below is in the way, the shelf 16 may be removed. Also, the back panel 15
It can be lowered further than the position shown in FIG.
The lowermost position is set to a height at which the upper end of the back panel 15 and the upper end of the side member 12 substantially match.

Therefore, according to such an embodiment, since the height of the back panel 15 on which the shelf board 16 is mounted can be adjusted, the partition position of the space above the top plate 11 needs to be changed. This can be dealt with easily without any difficulty, and the effect that the applicable range of the desk 10 can be expanded is obtained. Further, in this embodiment, the shelf 16 is attached to the back panel 15.
The back panel 15 can be moved up and down. Therefore, when the shelf board 16 is of a type fixed to the panel member 32, the effect is particularly remarkable. To play.

The shelf support according to the present invention is not limited to the above-mentioned back panel 15, but may be formed by a frame, including a case where the shelf 16 is mounted thereon.

[0020]

As described above, according to the present invention,
As a means for moving the shelf support up and down with respect to the side members, guide grooves extending vertically are provided in each side member, and support frames are provided on both left and right sides of the shelf support to guide the support frame to the guide frame. Since the shelf support is provided so as to be able to move up and down in the groove and is fixed to the side member at a predetermined height, the height of the shelf mounted on the shelf support can be adjusted. It is possible to easily deal with the necessity of mounting computer equipment etc. on the tabletop of the desk, etc., and to effectively use the space by determining the optimal position of the shelf board according to the use mode of the desk. it can.

[0021] Also, since the adjusting screw and the nut member can sandwich the forming edge region of the slit formed in the supporting frame, the supporting frame can be moved relative to the side member with the adjusting screw slightly loosened. It can be moved up and down, and the adjustment work can be performed very easily.

Furthermore, since the nut member engages with the slit forming edge, the nut member is prevented from rotating at the same time by the rotation of the bolt. Can be.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing the entire configuration of a desk according to an embodiment.

FIG. 2 is a cross-sectional view of a side member and a peripheral region in the embodiment.

FIG. 3 is a schematic front view of a main part showing a height position adjusting means of a top plate.

FIG. 4 is an external perspective view of the height position adjusting means of the top plate as viewed from below the top plate.

FIG. 5 is a partial schematic perspective view of the desk as viewed from the rear of the side member.

FIG. 6 is a schematic perspective view showing a state where the shelf support has moved upward.

[Explanation of symbols]

 Reference Signs List 10 desk 11 top plate 12 side member 15 back panel as shelf support 16 shelf 21 curved concave portion as guide groove 28 adjustment screw 30 support frame 34 slit 35 nut member 35A step

Claims (2)

(57) [Claims] 1. A top plate, a pair of side members disposed on both left and right sides of the top plate, a shelf support member disposed between rear portions of the side members, and a front side of the shelf support member. and a loaded shelf board, the shelf plate supports a structure in which the height of the shelves is provided to be adjusted by moving up and down relative to the side member, before Symbol each side member While providing a guide groove extending in the vertical direction, a support frame is provided on both left and right sides of the shelf support, and the support frame is provided so as to be able to move up and down in the guide groove, and the support frame has a slit extending in the vertical direction. form
And the side member side in the slit.
The adjustment screw is inserted from the
It is provided so that it can be screwed into the nut member located in the slit.
The height adjustment structure of a desk shelf supporter , wherein the support frame is provided so as to be fixed to the side member at a predetermined height position. 2. The nut member includes a step portion that engages with a forming edge of the slit, and the step portion engages with the forming edge to restrict rotation of the nut member. 2. The structure for adjusting the height of a shelf support of a desk according to claim 1.