JP4358599B2 - Mounting structure of lighting fixture to partition plate in desk - Google Patents

Description

  The present invention relates to a mounting structure for attaching a lighting fixture to an upper end portion of a partition plate standing on a top plate of a desk.

  To attach a lighting fixture to a partition plate standing on the rear edge of the top plate of a desk, the lighting fixture itself or its bracket is directly fixed to the partition plate with screws or the like, or attached to the lighting fixture. The upper end portion of the partition plate is clamped by a clamping metal fitting.

  However, in these attachment structures, it is necessary to provide a screw hole in the partition plate, and it is troublesome to attach and detach the lighting fixture. Further, since the screws and the clamps are exposed, the appearance is poor.

  Therefore, the applicant of the present application provides a horizontal connection rod (horizontal frame) as described in Patent Document 1 on the upper part of the partition plate, and the same procedure as described in Patent Document 1 is provided thereto. Devised to install lighting fixtures.

Japanese Patent Laid-Open No. 2002-138609 (FIG. 10)

In the mounting structure of a lighting fixture as described in Patent Document 1, a clamping plate is inserted into a locking groove having a substantially C-shaped cross section formed on the side surface of the lateral coupling rod, and the bracket is attached to the clamping plate. Since the lighting fixture is attached to the bracket after fixing with a screw, when attaching and detaching the bracket to the horizontal connection rod, the lighting fixture must be removed each time, and the work is troublesome, There is a problem that a lighting fixture cannot be easily installed as an option.
Moreover, since the bracket is exposed, the appearance is also bad.

  The present invention has been made in order to solve the above-described problems, and illuminates the partition plate in the desk so that the lighting fixture can be easily and detachably attached to the upper end of the partition plate. An object is to provide a mounting structure for an instrument.

In order to achieve the above object, the mounting structure for a lighting device according to claim 1 of the present invention is a mounting structure for attaching a lighting device to an upper end portion of a partition plate standing on a top plate of a desk, At the upper end of the partition plate, a lateral frame having a pair of upper and lower locking pieces that are substantially L-shaped in a side view facing the left-right direction is provided on the front surface, and above the upper and lower locking pieces on the rear surface of the lighting fixture. A pair of upper and lower locking pieces of L-shape that can be engaged more closely and projecting from the side is projected, and is screwed from the inside of the lighting fixture to the lower side between the upper and lower locking pieces of the lighting fixture and protrudes from the rear end face Screw the possible fixing bolts, tighten the fixing bolts with the upper and lower locking pieces of the horizontal frame engaged with the upper and lower locking pieces of the lighting equipment, and tighten the rear end to the lower part of the horizontal frame By bringing the lighting fixture into contact with the front surface directly above the locking piece, After surfaces of the upper portion front and proximity or contact with normal lateral frame condition parts, it is characterized in that so as to secure the front of the lateral frame.
According to this feature, since the locking piece of the lighting fixture can be engaged with the locking piece of the horizontal frame from above, the fixing fixture can be tightened to fix the lighting fixture in a normal state. In addition, it can be attached to the upper end of the partition plate so as to be detachable.
Moreover, the appearance is good because the fixing bolt is not exposed.

A lighting fixture mounting structure according to claim 2 of the present invention is the lighting fixture mounting structure according to claim 1, wherein the lighting fixture has a substrate perpendicular to the rear end, and an illuminating lamp inside. Is provided, and a pair of upper and lower locking pieces protrude from the rear surface of the substrate.
According to this feature, the umbrella cover substrate and the horizontal frame can be mounted close to each other, so that the appearance after the lighting fixture is mounted is improved.

A lighting fixture mounting structure according to claim 3 of the present invention is the lighting fixture mounting structure according to claim 2, wherein when the lighting fixture is mounted in a normal state, the upper surface of the umbrella cover and the horizontal frame are mounted. It is characterized in that the upper surface is substantially continuous with the same surface.
According to this feature, the horizontal frame and the lighting fixture have a sense of unity, and the appearance is further improved.

A lighting fixture mounting structure according to a fourth aspect of the present invention is the lighting fixture mounting structure according to any one of the first to third aspects, wherein the lower end is close to the upper surface of the fixing bolt on the front surface of the horizontal frame. It is characterized by projecting an inverted L-shaped locking piece.
According to this feature, even if the fixing bolt is loosened, the upper surface of the fixing bolt comes into contact with the lower end of the inverted L-shaped locking piece, and the locking piece of the lighting fixture does not come off from the engagement piece of the horizontal frame. , There is no fear that the lighting fixture will fall from the horizontal frame.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of a desk 1 to which the present invention is applied. A partition plate 4 stands on an upper surface of a rear end portion of a top plate 3 having a rectangular shape with four corners supported by four pedestals 2 in the lower diagram. It is installed. As shown in FIGS. 2 and 3, the partition plate 4 is fixed between a pair of left and right side frames 5, 5 erected at the rear end corner of the top plate 3, and the opposed surfaces of the upper end thereof. It is fitted and attached in a space surrounded by the horizontal frame 6 and the upper surface of the top plate 3.

  Translucent side panels 7 are erected on both the left and right ends and the center of the top surface of the top plate 3. Moreover, the lighting fixture 8 is attached to the upper end part of the front surface of the partition plate 4, ie, the front surface of the horizontal frame 6, as follows.

  The horizontal frame 6 has a substantially rectangular cross section whose upper and lower surfaces are gently curved in the front-rear direction, and a concave groove 9 into which the upper end portion of the partition plate 4 is fitted is formed in the center of the lower surface over the entire length in the left-right direction. Yes.

  On both the upper and lower ends of the front and rear surfaces of the horizontal frame 6 are inverted L-shaped locking pieces 10 and 10 that are open at the bottom, and L-shaped locking pieces 11 and 11 that are open at the upper side, respectively. The upper and lower L-shaped locking pieces 13 are open at the center and the inverted L-shape is opened at the bottom. The locking piece 14 is formed over the entire length in the left-right direction.

  The front and rear surfaces of the front and rear locking pieces 10, 11, 13, and 14 are aligned with each other, and their opposite end surfaces are spaced apart from each other by a required dimension. The horizontal frame 6 is made of an extruded product such as an aluminum alloy.

  The lighting fixture 8 has an umbrella cover 15 having a substantially right-angled triangular cross section as viewed from the side, wherein the upper surface is curved obliquely forward and downward with the same radius of curvature as the upper surface of the horizontal frame 6, and the horizontal lower surface and both side surfaces are opened. In the interior, it comprises a bracket 16 and an illumination lamp 18 such as a fluorescent tube supported and accommodated by a pair of power supply sockets 17, and the umbrella cover 15 is made of an extruded product such as an aluminum alloy or a hard synthetic resin. ing.

  A translucent plate 19 is attached to the opening surface of the lower surface of the umbrella cover 15, and side plates 20 are attached to the left and right opening surfaces, respectively. Reference numeral 21 denotes an on / off switch of the lighting fixture 8, which is attached to the bracket 16 with a part of the translucent plate 19 cut out.

  Short stopper ridges 23 and 23 are provided at upper and lower ends of the rear surface of the substrate 22 perpendicular to the rear end of the umbrella cover 15, and the rear surface slightly above the center and just above the lower stopper protrusion 23. Are respectively provided with L-shaped engaging pieces 24, 24 that are downwardly opened in the side view and project rearwardly over the entire length in the left-right direction. The projecting dimensions of the upper and lower engaging pieces 24 are engaged with the center and lower engaging pieces 13 and 11 on the front side of the horizontal frame 6 before the upper stopper protrusion 23 contacts the front surface of the horizontal frame 6. It is as a dimension to obtain.

  Female screw holes 25 are bored in the upper left and right ends of the umbrella cover 15 adjacent to the lower locking piece 24 of the base plate 22, and fixing bolts 26 facing in the front-rear direction are provided in the female screw holes 25. 15 is screwed so as to protrude rearward from the inside.

  The fixing bolt 26 is located below the lower end of the inverted L-shaped locking piece 14 when the upper and lower locking pieces 24 of the substrate 22 are engaged with the locking pieces 13 and 11 of the horizontal frame 6. It is supposed to be located in.

  In order to attach the luminaire 8 to the front surface of the horizontal frame 6, with the translucent plate 19 removed, the upper and lower locking pieces 24 of the substrate 22 of the umbrella cover 15 are attached to the horizontal frame 6 as shown in FIG. The lighting fixture 8 is temporarily supported by the horizontal frame 6 by engaging with the locking pieces 13 and 11 on the front and center sides from above.

  In this state, the lighting fixture 8 is slightly lowered by its own weight, and between the upper stopper protrusion 23 and the front surface of the upper end of the lateral frame 6, and the lower piece 24 a of the lower locking piece 24 in the umbrella cover 15. A small gap is formed between the upper locking piece 11a of the lower locking piece 11 in the horizontal frame 6.

  Next, when the fixing bolt 26 is tightened and the front surface of the horizontal frame 6 is pressed by the rear end thereof, the lighting fixture 8 rotates upward about the upper locking piece 24, as shown in FIG. The upper stopper protrusion 23 abuts against the front surface of the horizontal frame 6, the downward piece 24 a of the locking piece 24 and the upward piece 11 a of the locking piece 11 abut, and the lighting fixture 8 The upper surface of the umbrella cover 15 and the upper surface of the lateral frame 6 are continuous in a curved shape. And if the translucent board 19 is finally attached, the attachment of the lighting fixture 8 will be completed.

  Even if the fixing bolt 26 is loosened after the lighting fixture 8 is mounted, the lower end of the locking piece 14 having the inverted L-shape of the horizontal frame 6 is located above and close to it, and the lighting fixture 8 is directed upward. When moved, the upper surface of the bolt 26 comes into contact with the lower end of the locking piece 14, so that the locking piece 24 is disengaged from the locking pieces 13 and 11 of the horizontal frame 6, and the lighting fixture 8 is not dropped. .

  As described above, on the base plate 22 of the umbrella cover 15 in the lighting fixture 8, the locking pieces 24 that can be engaged with the locking pieces 13 and 11 at the center and the lower part of the horizontal frame 6 from above are provided. 24 is engaged with the locking pieces 13 and 11 and temporarily supported, and the fixing bolt 26 is tightened from the inside of the lighting fixture 8 so that it is fixed in a normal state. It can be easily attached to the front surface of the horizontal frame 6 as being detachable.

  Further, it is not necessary to expose the fixing bolt 26 or use a special bracket or the like for mounting the lighting fixture, so the appearance is good.

  In addition, the horizontal frame 6 of the above embodiment is similar to the front surface on the rear surface so that the lighting device can be attached to the rear surface when the top plates 3 of the two desks are arranged to face each other. Although what provided the locking pieces 10-14 symmetrically was used, when applying to the desk 1 like embodiment, you may abbreviate | omit each locking piece of the rear surface side.

  Further, the stopper protrusion 23 on the upper portion of the umbrella cover 15 may be omitted, and the protruding dimension of the locking piece 24 may be shortened accordingly.

  When the left-right dimension of the lighting fixture 8 is small, the fixing bolt 26 is good also as one piece in the center part of the left-right direction.

It is a perspective view of the desk to which this invention is applied. It is a partially notched front view of a partition plate upper part and the lighting fixture attached to it. FIG. 3 is an enlarged longitudinal sectional side view taken along line III-III in FIG. 2. It is an expansion vertical side view of the same site | part of FIG. 3 of the state which supported the lighting fixture temporarily.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Desk 2 Pillar 3 Top plate 4 Partition plate 5 Side frame 6 Horizontal frame 7 Side panel 8 Lighting fixture 9 Groove 10,11 Locking piece 11a Upward piece 12 Base piece 13,14 Locking piece 15 Umbrella cover 16 Bracket 17 Power feeding socket 18 Illuminating lamp 19 Translucent plate 20 Side plate 21 On / off switch 22 Substrate 23 Stopper protrusion 24 Locking piece 24a Downward piece 25 Female screw hole 26 Fixing bolt

Claims (4)

  A mounting structure in which a lighting fixture is attached to an upper end portion of a partition plate standing on a top plate of a desk. The upper end of the partition plate has a pair of upper and lower portions that are substantially L-shaped when viewed from the side facing the front side. A horizontal frame having a locking piece is provided, and a pair of upper and lower locking pieces in an L-shape in a side view downward that can be engaged with the upper and lower locking pieces from above is provided on the rear surface of the lighting fixture. In addition, a fixing bolt that can be screwed from the inside of the lighting fixture and protruded from the rear end face is screwed to a lower portion between the upper and lower locking pieces of the lighting fixture, and the upper and lower locking pieces of the horizontal frame are With the locking piece engaged, the fixing bolt is tightened, and the rear end thereof is brought into contact with the front surface of the lower locking piece in the horizontal frame, so that the lighting fixture is In the normal state where the rear surface is close to or in contact with the front surface of the upper end of the horizontal frame, Mounting structure of the luminaire to the partition plate in a desk, characterized in that so as to secure the front of the arm.   The lighting fixture includes a substrate perpendicular to the rear end, an umbrella cover in which an illumination lamp is accommodated, and a pair of upper and lower locking pieces projecting from the rear surface of the substrate. Item 2. A structure for attaching a lighting fixture to a partition plate in the desk according to item 1.   The attachment structure of the lighting fixture to the partition plate in the desk according to claim 2, wherein when the lighting fixture is attached in a regular state, the upper surface of the umbrella cover and the upper surface of the lateral frame are substantially flush with each other.   The mounting structure of the lighting fixture to the partition plate in the desk according to any one of claims 1 to 3, wherein an inverted L-shaped locking piece whose lower end is close to the upper surface of the fixing bolt protrudes from the front surface of the horizontal frame.

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