JP3069781B2 - Height adjustment structure of shelf support - 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, and more particularly, to a structure for adjusting the height of a shelf support effectively utilizing the internal space of a side plate.

[0002]

2. Description of the Related Art Heretofore, a so-called personal computer desk having a shelf board has been known. This kind of computer desk,
A top plate, a shelf plate located above the top plate, a pair of side plates arranged on both ends of a lower surface of the top plate, and a lower region supporting the shelf plate and being fixed to a rear end surface of the side plate. Frame.

[0003]

However, in such a personal computer desk, since the lower region of the frame is joined to the rear end face of the side plate, the height of the shelf plate cannot be adjusted. In addition to the inconvenience of not being able to cope with the diversification of the size of personal computer devices, the appearance is not always good.

In order to adjust the height of the shelf,
Desks of the type in which shelves are hung over a pair of shelves made of a frame or the like that can move up and down along the side plate surface have come to be marketed.

However, since the desk of this type has a structure in which the frame and the side plate are connected to each other by screws or the like, it is inevitable to perform a positioning operation for matching the two screw holes. It is necessary to support the frame with one hand and tighten the screw with the other hand, and there is a disadvantage that the height cannot be adjusted by a simple operation. In addition, the shelf board support is exposed on the outer surface of the side plate and the appearance cannot be improved yet, and when a plurality of desks are closely arranged in parallel with each other, dead space corresponding to the exposed portion is generated. There is also an inconvenience. Furthermore, in this state, there is no work space for height adjustment, and the work of height adjustment cannot be performed unless the desks are separated from each other to provide a space, which makes the height adjustment work of the shelf board even more complicated. Had become a factor.

[0006]

SUMMARY OF THE INVENTION The present invention has been devised in view of such inconveniences, and the object thereof is to make it possible to adjust the height of the shelf support very easily and to reduce the work load. Provided is a height adjustment structure of a shelf support that can reduce the height, can adjust the height of the shelf regardless of the desk installation condition, and can also improve the appearance. Is to do.

[0007]

In order to achieve the above object, a height adjustment structure of a shelf support according to the present invention comprises a top plate having through holes extending vertically at both end sides, and a top plate having the same. A pair of side plates provided with internal spaces communicating with the through holes, and a lower region is housed in the internal space so as to be able to move up and down through the through holes, and the upper region is A shelf support protruding above the through-hole , and a stopper for supporting a lower end of the shelf support at a plurality of positions having different height positions, and
Is provided with a guide member communicating with the through hole.
The upper end of the guide member is located coaxially with the through hole.
And provided on the shelf support.
The intermediate shelf located below the shelf plate is fixed . According to such a configuration, the height position can be adjusted extremely easily only by changing the position of the stopper without requiring the interconnection between the shelf support and the side plate. Also, the lower region of the shelf support is
Since it is located in the internal space of the side plate, a dead space does not occur even if a plurality of desks are closely arranged, and the appearance can be improved.
Here, the lower region of the shelf support is
Shelf board by guide member to be stored in the internal space of the board
The support area of the support is enlarged to support the shelf support.
It can be performed stably. Also, the upper end of the guide member
Because the intermediate shelf is located in
Stability can be sufficiently ensured.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The stopper according to the present invention is constituted by a shaft member which is removably inserted into insertion portions formed at a plurality of positions along a vertical direction of the pair of side plate-facing surfaces. It is preferable to adopt a configuration of being inserted into the insertion portion to support the lower end of the shelf support. With such a configuration, the height of the shelf support can be adjusted from the side surface relative to the side plate of the desk, that is, since the lower area of the top plate becomes a working space, a plurality of desks are arranged in parallel without gaps. Even when they are arranged, they do not hinder the work at all.

[0009] The stopper may include a core material disposed substantially horizontally in the internal space of the side plate, and the stopper may be used in combination with the shaft member. When the core material is used as a stopper, not only can it be used for reinforcing the side plate, but also the supporting durability of the shelf support can be improved, and the insertion for inserting the shaft member can be performed. The number of parts formed can be reduced.

[0010]

[0011]

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

FIG. 1 is a schematic perspective view of a desk to which a height adjusting structure of a shelf support according to the present invention is applied. In this figure, a desk 10 has a top plate 12 having through holes 11 extending vertically at both end sides,
A pair of side plates 13 provided at both ends of the lower surface of the base plate and having internal spaces communicating with the through holes 11, a lower region is accommodated in the side plates 13 through the through holes 11, and an upper region is A shelf support 14 projecting upward from both left and right sides of the shelf, a shelf 15 disposed above the shelf support 14, and an intermediate shelf 16 disposed between the shelf 15 and the top plate 12. , And a guide member 17 interposed between the intermediate shelf 16 and the top plate 12.

The top plate 12 is provided with side frames 12A made of an appropriate resin material at both ends, and the through holes 11 are formed at two positions on the side of the side frames 12A on the depth side.

The side plate 13 is, as shown in FIG.
A plate material is bonded so as to sandwich the partially arranged aggregate 18, thereby forming an internal space communicating with the through hole 11. In the internal space of each side plate 13, a core material 19 as a stopper extending in a substantially horizontal position along the front-back direction of the side plate 13, that is, in the horizontal direction in FIG. 2, is disposed. The shelf support 14 can be supported by locking the lower end of the shelf support 14. At a position adjacent to the axis of the through hole 11 on a relative surface of each side plate 13, a plate member 20 made of metal, hard resin, or the like is fixed to each side plate 13 along the vertical direction. Here, each plate member 20 is
Several places along both ends in the short width direction are fixed with screws 21. These plate members 20 have pin insertion holes 22 a as insertion portions at positions higher than the upper surface of the core member 19.
22b are formed at two locations along the vertical direction. Pins 30 (see FIG. 1) constituting a shaft member as stoppers are selectively inserted into these pin insertion holes 22a and 22b, and shelves are inserted into the pins 30. The lower end of the plate support 14 can be locked. Further, the core member 19 and the pin insertion hole 22
Screw holes 23a to 23e set in a predetermined mutual positional relationship with respect to a and 22b are formed at five places. The screws 24 (see FIG. 1) screwed into these screw holes 23a to 23e spot-engage with the lower region of the shelf support 14 so that the play of the shelf support 14 can be regulated. Has become.

As shown in FIG. 3, the shelf support 14 is formed by bending a central portion of a cylindrical pipe material into a U-shape, and is disposed such that both ends thereof are at lower positions. . Recesses 25a, 25b with which the tips of the screws 24 are engaged are formed at upper and lower portions of the lower portion on both ends of the shelf support 14, respectively. Here, the concave portions 25a, 2
5b, the screw holes 23a to 23e of the plate 20, and the pin insertion holes 22a and 22b are located at the positions of the screw holes 23a and the concave portions 25a when the lower end of the shelf support 14 is locked on the upper surface of the core member 19. And the screw hole 23c and the recess 2
5b are set to coincide. Further, the pin insertion hole 2 is located at a position one step higher than the upper surface of the core member 19.
When the pin 30 is inserted into the pin 2a and the lower end of the shelf support 14 is locked to the pin 30, the positions of the screw hole 23b and the concave portion 25a match, and the screw hole 23d and the concave portion 25d
The position of b is set to coincide. When the lower end of the shelf support 14 is locked to the pin 30 inserted into the pin insertion hole 22b which is one step higher, the screw hole 23
c and the position of the concave portion 25a coincide with each other, and the screw hole 23e and the position of the concave portion 25b coincide with each other.

The shelf 15 disposed on the shelf support 14 is provided with a side frame 15 made of an appropriate resin material.
A is provided at both ends. In the side frame 15A, holes 26 vertically penetrating are formed at two front and rear positions, and the shelf support 14 can be inserted into these holes 26 and fixed at an appropriate height position. . Although not shown here, this fixation can be achieved by providing a fixed joint on the lower surface side of the shelf 15 that can tighten the outer peripheral surface of the pipe of the shelf support 14. The height of the plate 15 can be changed.

The intermediate shelf 16 is provided with side frames 16A made of a resin material on both ends thereof. In the side frames 16A, holes 27 located on the same axis as the through hole 11 are provided at two front and rear positions. Is provided.

The guide member 17 interposed between the intermediate shelf 16 and the top plate 12 is formed of a hollow pipe material, and its inner diameter is slightly larger than the outer diameter of the pipe forming the shelf support 14. It is formed so that it becomes. The guide member 17 is fixed to the upper portion of the top plate 12 at four positions where the axis of the guide member 17 coincides with the axis of each of the through holes 11.
And the through hole 11 can communicate with each other, so that the lower region of the shelf support 14 has the hole 27 and the guide member 1.
7 and the through-hole 11 so as to be able to move up and down in the internal space of the side plate 13, and the upper region is a hole 27 of the intermediate shelf 16.
It is arranged to protrude more.

Next, a method of adjusting the height of the shelf support 14 of the desk 10 according to the present embodiment will be described with reference to FIG.

When setting the height of the upper end of the shelf support 14 to the lowest position, the lower end of the shelf support 14 may be engaged with the upper surface of the core member 19, and at the same time, Screws 24 are screwed into the screw holes 23a, 23c from the relative surface side, and the tips of these screws are inserted into the recesses 25a, 25
5b.

In order to change the height of the upper end of the shelf support 14 to a position higher by one step, the screw 24 is
After removing or retracting the shelf support 14a, the shelf support 14 is manually lifted so that the lower end position of the shelf support 14 is higher than the position of the pin insertion hole 22a. Then, after inserting the pins 30 into the pin insertion holes 22a and projecting them into the internal space of the side plate 13, the shelf support 14 is lowered and the pins 3
At 0, the lower end of the shelf support 14 is locked. Thereafter, the screws 24 are screwed into the screw holes 23b and 23d, and the tips of the screws 24 abut against the concave portions 25a and 25b of the shelf support 14.

When the height of the upper end of the shelf support 14 is changed to a position one step higher, the screws 24 are removed or retracted in the same manner, and then the lower end of the shelf support 14 is moved downward. After the shelf support 14 is lifted so as to be above the position of the pin insertion hole 22b, the pins 30 are inserted into the pin insertion holes 22b to project into the internal space of the side plate 13,
The lower end of the shelf support 14 is engaged with the pin 30. Then, the screws 24 may be screwed into the screw holes 23c and 23e, and their ends may be brought into contact with the concave portions 25a and 25b of the shelf support 14.

Therefore, according to such an embodiment, the pins 30 are selectively inserted into the pin insertion holes 22a and 22b at a position higher than the core member 19, and the lower end of the shelf support 14 is inserted into the pins 30. By locking, the height of the shelf support 14 can be adjusted, so that the work for interconnecting the shelf support 14 and the side plate 13 is not required, and the height adjustment work is simplified. .

Further, according to the present embodiment, after the lower end of the shelf support 14 is engaged with the pin 30 or the core member 19, the screw 24 is screwed into any two of the screw holes 23a to 23e. Since the tip of the screw 24 abuts against the concave portions 25a and 25b provided below the shelf support 14, the shelf support 14 can be more stably supported.

In the above-described embodiment, the configuration in which the pin 30 is selectively inserted into the pin insertion holes 22a and 22b provided in the plate member 20 to lock the lower end of the shelf support 14 has been illustrated and described. However, the present invention is not limited to this. For example, the pin insertion holes 22a and 22b may be formed as screw holes, and the pins 30 may be formed with screws. In short, according to the present invention, the insertion portions are provided at a plurality of locations in the vertical direction of the side
The design can be changed as appropriate as long as the shaft member can be removably inserted into the insertion portion from the relative surface side of 3.

In the above embodiment, the stopper is
Although the pin 30 and the core material 19 are used together, it is not always necessary to use them together, and the pin 30 and the core material 19 may be used alone. However, when the core member 19 is used as a stopper, the strength of the side plate 13 can be improved.

Further, the number of the pin insertion holes 22a, 22b and the screw holes 23a to 23e formed in the plate member 20 is not limited to the number of the above-mentioned embodiment, but may be further increased. Allows finer height adjustment.

The shelf support 14 may be made of a member having another shape, such as a prismatic pipe member or a solid member.
However, in order to facilitate molding and reduce the weight, it is preferable to use a cylindrical pipe material as in the above embodiment. In addition, the code | symbol 31 in FIG. 1 is a foot board.

[0029]

As described above, according to the present invention,
A pair of side plates having an internal space, a shelf support in which a lower region is housed in the internal space so as to be able to move up and down, and a stopper that supports the lower end of the shelf support at a plurality of height positions, Interconnection between the shelf support and the side plate is not required,
The height adjustment operation can be performed extremely easily, and the lower region of the shelf support is not exposed to the outer surface of the side plate, so that the appearance can be improved.

The stopper is constituted by a shaft member which is removably inserted into insertion portions formed at a plurality of positions along a vertical direction of the pair of side plate relative surfaces, and the lower end of the shelf plate support is formed by the shaft member. When a plurality of desks are arranged side by side without gaps, the work of adjusting the height of the shelf support in the lower region of the top plate can be performed without separating the desks from each other.

Further, in a configuration in which a core member disposed in the internal space of the side plate as the stopper is used together with the shaft member,
While the side plate can be reinforced, the number of insertion portions can be reduced by one step.

Further, according to the configuration in which the guide member and the intermediate shelf are provided at the upper ends on both ends of the top plate, the standing posture of the guide member is stabilized, and the guide member is moved along the axial direction of the shelf plate support. Since the fixed area is supported, the stability of the shelf support can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a desk according to an embodiment of a desk to which a height adjustment structure of a shelf support according to the present invention is applied.

FIG. 2 is a side view of a side plate.

FIG. 3 is a side view of the shelf support.

FIG. 4 is a schematic sectional side view of a desk.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Desk 11 Through-hole 12 Top plate 13 Side plate 14 Shelf support 15 Shelf 16 Intermediate shelf 17 Guide member 19 Core material 22a as a stopper 22b Pin insertion hole as an insertion part 22b Pin insertion hole as an insertion part 27 hole 30 Stopper Pin as

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47B 9/00-9/20 A47B 21/02 G06F 1/00

Claims (3)

(57) [Claims] 1. A top plate provided with through holes extending vertically at both ends, and a pair of side plates provided at both ends of a lower surface of the top plate and having an internal space communicating with the through holes, A lower portion is accommodated in the internal space through the through hole so as to be able to move up and down, and an upper portion protrudes upward from the through hole. A stopper for supporting a lower end of the body, and a guide member communicating with the through hole at an upper portion of the through hole.
Is provided at the upper end of the guide member.
And a hole located coaxially with the shelf plate
An intermediate shelf located below the shelf supported by the support
A height adjustment structure of a shelf support, which is fixed . 2. The stopper is constituted by a shaft member which is removably inserted into insertion portions formed at a plurality of locations along a vertical direction of the pair of side plate relative surfaces, and the shaft member is inserted into the insertion portion. The height adjustment structure of a shelf support according to claim 1, wherein the shelf support is configured to support a lower end of the shelf support. 3. The structure for adjusting the height of a shelf board support according to claim 1, wherein the stopper includes a core material disposed substantially horizontally in an internal space of the side plate.