JP4616508B2 - Shelf board support device for horizontal rail - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a shelf support device for a horizontal rail that can be easily moved sideways while an article is placed on the shelf.
[0002]
[Prior art]
The shelf bracket that supports the shelf board is generally attached to the support column by inserting the engagement piece provided at the rear end of the vertical piece into the engagement hole drilled in the front surface of the support column. It has been.
[0003]
For this reason, the position of the shelf bracket cannot be changed to the left and right, and when the shelf plate is attached to or removed from the upper surface of the shelf bracket, the shelf bracket is staggered from side to side, which makes it difficult to work.
[0004]
In order to eliminate these drawbacks, the present applicant provided a horizontal rail (support rod) spanning the left and right columns at the rear end of the shelf receiving bracket fixed to the lower surface of both side end portions of the shelf board. When the lower opening cut is fitted and the shelf is held horizontally, the front edge lower end and the rear edge of the cut are in contact with the front and rear surfaces of the support rod, respectively, and the front of the shelf is A patent application has already been filed for a shelf support device that allows the shelf bracket to be moved laterally along the horizontal rail when the lower edge of the front edge of the notch is separated from the support rod when lifted. (See Kaihei 2000-287761).
[0005]
This shelf support device is extremely useful because the shelf support bracket can be easily and easily moved to the left and right together with the shelf supported on the upper surface thereof.
[0006]
However, in this shelf support device, the support of the shelf bracket in the horizontal direction is performed by the lower end and the rear end of the front edge of the notch contacting the front and rear surfaces of the support rod, respectively. For this reason, when a force directed from the lower side to the upper side is applied to the front end of the shelf board, the front end of the shelf board may be easily lifted. Therefore, when an upward force is accidentally applied to the front end of the shelf board, the shelf board is inclined upward, and the placed article falls or the shelf board itself comes off the horizontal rail. Further improvement has been desired.
[0007]
[Problems to be solved by the invention]
In the present invention, the shelf bracket can be easily and easily moved to the left and right together with the shelf plate supported on the upper surface thereof. It is an object of the present invention to provide a shelf board support device in which there is no risk of dropping even when an external force is applied from below.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the shelf support device of the present invention is configured as follows.
(1) It has a downward engagement piece at the rear end of the horizontal receiving piece that supports the shelf board, and the downward engagement piece is fitted to the rectangular tubular crosspiece from above so that the shelf board is A latch that prevents the front end of the shelf bracket from rotating upward by contacting the lower surface of the horizontal rail at the rear end of the shelf bracket that is supported so as to be movable in the left-right direction. When the shelf support bracket is pivoted upward about the rear upper portion of the horizontal rail at the front lower corner in the right and left direction of the horizontal rail, the locking projection can pass through. Make a notch.
[0009]
(2) In the above item (1), a vertical piece facing downward is provided at one side edge of the horizontal receiving piece in the shelf receiving bracket, and a locking protrusion is provided at the lower rear end of the vertical piece. The rear end of the vertical piece above the piece is positioned slightly behind the rear surface of the standing piece that stands up from the rear end of the horizontal receiving piece and forms the front part of the downward engaging piece, The rear end should be in contact with the front lower part of the cross rail.
[0010]
(3) In the above item (1) or (2), the width of the downward engaging piece is made larger than the thickness of the shelf bracket.
[0011]
(4) In any one of the above items (1) to (3), the vicinity of both sides of the shelf board is supported by the pair of left and right shelf receiving brackets.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1, a rectangular tube is formed across a vertical intermediate portion of a pair of columns (3) and (3) that are erected on the left and right rear ends of the top plate (2) of the desk (1) The crosspiece (4) is fixed. The horizontal rail (4) has a pair of left and right shelf brackets (6) (fixed to the lower surface near both sides of the shelf (5) whose lateral width is shorter than the horizontal length of the horizontal rail (4). 6) is attached so as to be movable in the left-right direction along this. The mounting of the shelf board (5) to the horizontal rail (4) is omitted in FIG. 1, but the mode (FIGS. 4 and FIG. 4) is described later at the front lower corner of the horizontal rail (4) in the right and left direction. This is done by using the notches (15) and (15) provided in (5).
[0013]
As shown in FIG. 2, the shelf bracket (6) includes a horizontal receiving piece (7), a vertical piece (8) depending from one side edge of the horizontal receiving piece (7), and a horizontal receiving piece (7). A downward engagement piece (9) is provided which is connected to the rear end and can be fitted to the horizontal rail (4) from above.
[0014]
At the lower part of the rear end (8a) of the vertical piece (8), a locking protrusion (not shown) that prevents the front end of the horizontal receiving piece (7) from rotating upward by contacting the lower surface of the horizontal beam (4). 10) is provided.
On the horizontal receiving piece (7), the shelf board (5) is fixed with an appropriate number of set screws (11) with its rear end abutting against the front surface of the downward engaging piece (5).
[0015]
The downward engaging piece (9) includes an upright piece (12) projecting upward from the rear end of the horizontal receiving piece (7), and an upper piece extending horizontally rearward from the upper end of the upright piece (12). (13) and a hanging piece (14) hanging from the rear end of the upper piece (13).
The left-right width of the downward engagement piece (9) is substantially the same as the left-right width of the horizontal receiving piece (7) of the shelf receiving bracket (6).
[0016]
The inner distance between the standing piece (12) and the hanging piece (14) in the downward engaging piece (9) is slightly larger than the front-rear width of the horizontal rail (4). The distance between the lower surface of the upper piece (13) and the upper edge of the locking projection piece (10) is substantially equal to the height of the horizontal rail (4). Further, the lower end of the hanging piece (14) of the downward engaging piece (9) and the rear of the locking protrusion (10) so that the cross rail (4) can be inserted into the downward engaging piece (9). The distance from the end is larger than the front-rear width of the horizontal rail (4).
[0017]
The lower end of the hanging piece (14) of the downward engaging piece (9) is slightly inclined toward the rear in order to make it easier to fit the horizontal rail (4) into the downward engaging piece (9).
[0018]
The length of the locking protrusion (10) does not get in the way when the horizontal beam (4) is inserted into the downward engaging piece (9), and can reliably contact the lower surface of the horizontal beam (4). In general, the length is preferably 1/3 to 2/3 of the front-rear width of the horizontal rail (4).
[0019]
The rear end (8a) of the vertical piece (8) above the locking protrusion (10) is positioned slightly behind the rear surface of the upright piece (12) of the downward engaging piece (9). is there. The distance between the rear end (8a) of the vertical piece (8) and the front surface of the hanging piece (14) of the downward engaging piece (9) is substantially the same as the front-rear width of the horizontal rail (4).
[0020]
Therefore, when the shelf board (5) is mounted horizontally on the cross rail (4), as shown in FIG. 3, the rear end (8a) of the vertical piece (8) and the downward engaging piece (9) The front surface of the hanging piece (14) abuts against the front surface and the rear surface of the horizontal rail (4), respectively, but the downward engaging piece (9) located above the rear end (8a) of the vertical piece (8). A slight gap is formed between the rear surface of the standing piece (12) and the front surface of the horizontal rail (4). The upper edge of the locking protrusion (10) is in contact with the lower surface of the horizontal beam (4), and the upper piece (13) of the downward engagement piece (9) is in contact with the upper surface of the horizontal beam (4). Touch.
[0021]
In this way, when the shelf plate (5) is attached to the horizontal beam (4), it is engaged with each of the four surfaces of the horizontal beam (4) by the members provided at the rear end thereof. 4) Fits very firmly.
[0022]
Next, the procedure for attaching the shelf plate (5) having the above structure to the cross rail (4) will be described.
[0023]
As shown in FIG. 4 and FIG. 5, a pair of left and right slit-shaped notches (15) and (15) are provided on a part of the front lower corner in the horizontal direction of the horizontal rail (4). Are provided at the same pitch as the mounting pitch (P) of the left and right shelf brackets (6), (6) fixed to.
[0024]
As shown in FIGS. 4 and 5, the notches (15) and (15) have a depth, a vertical width and a horizontal width when the shelf (5) is attached to and detached from the horizontal rail (4). 5) When the shelf bracket (6) is rotated about the rear upper corner of the horizontal rail (4), each locking protrusion (10) can pass through this notch (15), It is determined so as not to prevent the rotation.
[0025]
That is, in the method of attaching the shelf shown in FIG. 5, first, the shelf (5) is placed above the horizontal rail (4) so that the position of the shelf support bracket (6) and the notch (15) correspond to each other. Then, the shelf board (5) is lowered in a state where the shelf board (5) is inclined forward and upward, and the horizontal rail (4) is fitted into the downward engagement piece (9). After deeply fitting into the rear upper corner of the horizontal rail (4) until the upper piece (13) of the downward engagement piece (9) comes into contact, the front end side of the shelf board (5) with the contact as a fulcrum Is rotated downward until the shelf board (5) is substantially horizontal. At this time, by passing the locking protrusion (10) through the notch (15), the locking protrusion (10) comes into contact with the front surface of the horizontal rail (4) to prevent downward rotation. It is possible to move to the lower surface of the horizontal rail (4) without any trouble.
[0026]
Thus, after fitting the downward engaging piece (9) of the shelf receiving bracket (6) to the horizontal beam (4), the shelf plate (5) is moved to the desired installation location. Slide left and right along As described above, the sliding is performed so that a slight gap is formed between the rear surface of the upright piece (12) of the downward engaging piece (9) and the front surface of the horizontal rail (4). The friction is reduced, and the shelf board (5) can be moved lightly and smoothly and silently.
In addition, if the front end of the shelf board (5) is lifted slightly and moved left and right, the shelf board (5) can be moved more smoothly.
[0027]
In addition, if the shelf bracket (6) is moved left and right from the position where the notch (15) of the horizontal rail (4) is provided, even if an upward external force acts on the front end of the shelf (5), the engagement Since the stop projecting piece (10) contacts the lower surface of the horizontal beam (4), the upward inclination of the shelf board (5) is prevented, and articles placed on the shelf board (5) fall down, The shelf board (5) itself will not fall off the side rail (4).
[0028]
To remove the shelf bracket (6) from the horizontal beam (4), slide the shelf plate (5) to the position where the notches (15) and (15) in the horizontal beam (4) are provided. If the operation opposite to the above is performed, it can be performed very easily.
[0029]
【The invention's effect】
The invention described in each claim has the following effects.
[Claim 1] The shelf board can be easily moved right and left along the horizontal rail to a place where installation is desired.
In addition, the moved shelf board is firmly engaged with the horizontal rail, and even if an external force is accidentally applied from below or the like during use, the locking protrusion comes into contact with the lower surface of the horizontal rail and the front of the shelf board. Since the upward rotation is prevented, there is no possibility that the article on the shelf board falls or the shelf board itself falls off the horizontal rail.
In addition, the shelf can be easily removed from the side rail when not in use.
[0030]
[Claim 2] The shelf bracket is stably held by the horizontal rail, and can be moved smoothly and quietly with an appropriate force from side to side.
[0031]
Claim 3 The stability of the shelf bracket is extremely high.
[0032]
[4] The shelf board is stably held in a correct posture on the horizontal rail.
[Brief description of the drawings]
FIG. 1 is a perspective view of a desk provided with an embodiment of the present invention.
FIG. 2 is an enlarged longitudinal side view taken along line II-II in FIG.
3 is a cross-sectional plan view taken along line III-III in FIG.
FIG. 4 is a conceptual cross-sectional view showing a method for attaching a shelf board to a horizontal rail.
FIG. 5 is an exploded perspective view of the shelf board support device.
[Explanation of symbols]
(1) Desk
(2) Top plate
(3) Prop
(4) Horizontal rail
(5) Shelf board
(6) Shelf bracket
(7) Horizontal receiving piece
(8) Vertical piece
(8a) Rear end
(9) Downward engagement piece
(10) Locking protrusion
(11) Set screw
(12) Standing piece
(13) Upper piece
(14) Hanging piece
(15) Notch
(P) Shelf bracket mounting pitch

Claims (4)

There is a downward engagement piece at the rear end of the horizontal receiving piece that supports the shelf board, and the downward engagement piece is fitted to the rectangular tubular crosspiece from above so that the shelf board extends along the horizontal crosspiece. A locking protrusion that prevents the front end of the shelf bracket from rotating upward by contacting the lower surface of the horizontal rail at the rear end of the shelf bracket that is supported so as to be movable in the left-right direction. And a notch through which the locking protrusion can pass when the shelf bracket is pivoted upward about the upper part of the rear surface of the horizontal rail at the appropriate front lower corner of the horizontal rail in the right and left direction. A shelf support device for a horizontal rail characterized by being provided. A vertical piece facing downward is provided at one side edge of the horizontal receiving piece in the shelf receiving bracket, a locking protrusion is provided at the lower end of the rear end of the vertical piece, and a rear end of the vertical piece is provided above the locking protrusion. The rear end of the horizontal receiving piece is positioned slightly behind the rear face of the standing piece that forms the front part of the downward engagement piece, and the rear end of the vertical piece is the lower part of the front of the horizontal rail. The shelf board supporting device for a horizontal rail according to claim 1, wherein the shelf board is in contact with the horizontal rail. The shelf support device for a horizontal rail according to claim 1 or 2, wherein a width of the downward engagement piece is larger than a thickness of the shelf support bracket. The shelf board support device for a horizontal rail according to any one of claims 1 to 3, wherein a pair of left and right shelf brackets respectively support the vicinity of both sides of the shelf board.

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