JP2010165480A - Illumination fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To carry out movement regulation of an end member toward inserting and removing directions, and the movement regulation toward the direction perpendicular to the ceiling which is the direction intersecting with this direction. <P>SOLUTION: The illumination fixture is provided with: a fluorescent lamp 12 to constitute a light source; a lighting circuit in order to light the fluorescent lamp 12; a cabinet having side plates to constitute two opposing sides; end members 20 in order to cover apertures formed at both ends of the two sides in the cabinet; first engaging means (25, 34) formed in respective corresponding positions of the side plates 30 and the end members 20 for fixing so that movements of the end members toward inserting and removing directions are regulated; second engaging means (26, 35) formed in the respective corresponding positions of the side plates and the end members different from the first engaging means for fixing so that the movements of the end members toward the direction intersecting with the inserting and removing directions are regulated. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a lighting fixture including a lamp such as a fluorescent lamp.

  In this type of lighting fixture in the related art, the housing is configured by a top plate having two side plates and end members for covering openings formed at both ends of the two side surfaces. In this luminaire, the engagement notch formed in the folded portion where the leading edge of the side plate is folded, and the engagement convex portion formed on the flap of the end member entering the gap formed between the side plate and the folded portion. The end member is fixed to the side plate (see Patent Document 1 and FIG. 3).

  However, although the movement in the direction in which the end member is inserted / removed is restricted by the above configuration, the movement in the direction perpendicular to the ceiling, which is the direction intersecting this direction, is not restricted. In the above luminaire, the side plate and the end member are coupled by a blind rivet, but when tightening by the blind rivet is weak, at the corner of the instrument body that is the coupling site of the side plate and the end member. As a result, there is a possibility that a step due to backlash occurs, resulting in a defective product.

  The present invention solves the problems in the conventional lighting fixture as described above, and its purpose is to restrict movement in the direction in which the end member is inserted and removed and to be perpendicular to the ceiling, which is the direction intersecting this direction. It is an object of the present invention to provide a lighting apparatus that can perform movement restriction in any direction and can realize an appropriate assembly and mounting state without so-called looseness.

  A lighting fixture according to the present invention includes: a lamp that constitutes a light source; a lighting circuit for lighting the lamp; a case that includes side plates that constitute two opposite sides; and both ends of the two sides in the case. An end member for covering the opening formed on the side plate; a first engagement means formed at each corresponding position of the side plate and the end member and fixed to restrict movement of the end member in the insertion / extraction direction; and the side plate and the end And a second engagement means that is formed at each corresponding position different from the first engagement means with the member, and is fixed so as to restrict movement of the end member in a direction crossing the insertion / extraction direction. To do.

  A fluorescent lamp can be employed as the lamp. The first and second engaging means may be of the same type or different types as long as they are fixed so as to restrict the movement of the end member. It does not exclude any configuration such as holes and pins. The direction intersecting with the insertion / extraction direction of the end member refers to a direction substantially perpendicular to the ceiling when the lighting fixture is attached to the ceiling.

  In the lighting fixture according to the present invention, the second engaging means is configured by using a part of the first engaging means together.

  Here, “partial use together” means that a part of at least one of the first engaging means of the side plate and the end member is used. Further, “partially used” includes not only the configuration of the first engagement means itself but also the adjacent configuration related to the first engagement means, and exists in the same part, the same plate surface, etc. Allow that.

  In the luminaire according to the present invention, in the side plate, components of the first engagement means and the second engagement means are formed in the folded portion where the leading edge of the side plate is folded back. Components of the first engaging means and the second engaging means are formed in an insertion portion that enters a gap generated between the folded portions.

  According to the lighting apparatus of the present invention, the first engagement means is fixed so as to restrict the movement of the end member in the insertion / extraction direction, and further, the second engagement means intersects the insertion / extraction direction of the end member. Since it is fixed so as to restrict the movement in the direction in which it moves, it is possible to realize an appropriate assembly and mounting state without so-called looseness.

  According to the lighting apparatus of the present invention, the second engaging means is configured by using a part of the first engaging means, so that the so-called backlash-free illumination is achieved without complicating the configuration. An instrument can be provided.

  According to the lighting apparatus of the present invention, the first engagement means and the second engagement means are formed in the folded portion obtained by folding the leading edge of the side plate, and the end plate includes the side plate and the folded portion. Since the components of the first engagement means and the second engagement means are formed in the insertion portion that enters the gap generated between the gaps, the insertion portion of the end member is formed between the side plate and the folded portion. By entering, the components of the first engaging means and the second engaging means are integrated, and the movement of the end member can be regulated by the work integrated in the integrated portion, which is efficient. is there.

The perspective view which shows the Example of the lighting fixture which concerns on this invention. The principal part assembly perspective view of the Example of the lighting fixture which concerns on this invention. The principal part assembly perspective view of the Example of the lighting fixture which concerns on this invention. The principal part assembly perspective view of the Example of the lighting fixture which concerns on this invention. Sectional drawing of the Example of the lighting fixture which concerns on this invention. The principal part expansion perspective view of the Example of the lighting fixture which concerns on this invention.

  Embodiments of a lighting fixture according to the present invention will be described below with reference to the accompanying drawings. In each figure, the same components are denoted by the same reference numerals, and redundant description is omitted. FIG. 1 shows a lighting apparatus according to an embodiment. The lighting apparatus includes two fluorescent lamps 12 in the apparatus main body 11. The appliance main body 11 has a flat casing 14 having an opening 13 on the floor surface side, and both end faces in the longitudinal direction of the casing 14 are configured by end members 20 made of steel.

  As shown in FIGS. 2 to 4 which are perspective views of essential parts and FIG. 5 which is a cross-sectional view, the casing 14 is a steel plate integrally including the end member 20 and the side plate 30 of the casing 14. It has the base board 40 comprised by these.

  The base plate 40 has a flat center top plate 41 for holding the lighting circuit 50 in the center when viewed from the end member 20 side, and sub-top plates 42 for housing the fluorescent lamps 12 are integrally formed at both ends thereof. Is formed. The reflection plate 85 is detachably supported by the sub-top plate 42 and includes the lighting circuit 50 and protrudes downward between the fluorescent lamps 12. The central top plate 41 is fixed to the ceiling 89 by screws or the like (not shown), and the entire instrument body 11 is fixed to the ceiling 89. The surface side of the central top plate 41 and the sub top plate 42 is a reflecting plate. Each sub-top plate 42 is connected with an inclined plate portion 43 whose surface side is a reflection plate, and the inclined plate portion 43 is bent so as to be parallel to the central top plate 41 to be a flat, narrow peripheral frame. Connected to surface 44. Locking claws 45 are formed at both end edges 43 a in the longitudinal direction of the inclined plate portion 43. The peripheral frame surface 44 is continuous with the side plate 30 bent at a right angle. Covered by the reflector 64.

  The side plate 30 includes a folded portion 32 that is a folded back edge 31, and a gap 33 is generated between the side plate 30 and the folded portion 32. At both ends in the longitudinal direction of the folded portion 32, notches 34 are formed by notching small rectangular pieces from the leading edge 31. The notches 34 are formed in two places on each side plate 30 and are formed in a total of four places. The cutout 34 constitutes first engaging means for fixing the side plate 30 so as to restrict movement of the end member 20 in the insertion / extraction direction.

  The end member 20 includes an end plate 21 positioned outside in the assembled state, a narrow flat surface 22 formed by bending the end plate 21 at a right angle from the lower end portion of the end plate 21 in a direction combined with the base plate 40, and the flat surface 22. And a socket support plate 23 formed by being bent so as to approach the end plate 21 from the surface 22.

  The two short sides of the end plate 21 are provided with an insertion portion 24 formed by being bent at a right angle from the end plate 21. The insertion portion 24 is a portion that is inserted into a gap 33 formed between the side plate 30 and the folded portion 32 and is located inside the side plate 30. Engagement projections 25 are formed at the corners at the upper end of the insertion part 24 and are formed by being pushed out inward. The engagement convex portion 25 is sized to fit into the cutout 34 of the folded portion 32, and constitutes first engagement means that fixes the end member 20 so as to restrict movement of the end member 20 in the insertion / extraction direction. To do.

  Further, a convex claw piece 26 that protrudes inward and orthogonal to the insertion portion 24 is formed at a position near the end plate 21 side of the engaging convex portion 25. The convex claw piece 26 is formed by cutting and raising the plate surface of the insertion portion 24, and a trace hole 26a of the convex claw piece 26 is formed on the plate surface of the insertion portion 24 (FIG. 6).

  The convex claw piece 26 constitutes second engaging means for fixing the end member 20 so as to restrict movement in the direction intersecting the insertion / extraction direction of the end member 20. That is, in the state where the insertion portion 24 is inserted into the gap 33 formed between the side plate 30 and the folded portion 32 and the engagement convex portion 25 is engaged with the notch 34 as shown in FIG. In addition, the head portion 26 b of the convex claw piece 26 comes into contact with the tip end portion 35 a of the folded claw piece 35 adjacent to the end face side of the side plate 30 from the notch 34. That is, the convex claw piece 26 and the folded claw piece 35 are engaged with each other to constitute a second engaging means that is fixed so as to restrict the movement of the end member 20 in the direction intersecting the insertion / extraction direction. With these configurations, it is possible to regulate movement in a direction perpendicular to the ceiling 89, and there is no step at the corner on the flat surface 22 side of the instrument body 11, and proper assembly and mounting conditions without so-called backlash. Can be realized.

  The socket support plate 23 is erected in parallel with the end plate 21. The openings 47 generated at both ends of the base plate 40 are assembled in a state in which they are covered by the end members 20 including the side plates 30. At this time, the locking claws 45 formed on both end surfaces of the inclined plate portion 43 are inserted into the long holes 27 formed in the socket support plate 23. The base portion of the locking claw 45 is formed thin by a notch 45a, and the locking claw 45 inserted into the long hole 27 is screw-bent so that the base plate 40 and the end member 20 are firmly coupled.

  Small tabs 28a and 28b bent at right angles are formed on the two short sides of the socket support plate 23, and large tabs 29a and 29b bent at right angles are formed on the long side ends of the socket support plate 23, respectively. Is formed. The small tabs 28 a and 28 b are overlapped with the inner surface of the inclined plate portion 43 of the base plate 40, and the large tabs 29 a and 29 b are overlapped with the inner surface of the sub top plate 42 of the base plate 40.

  The large tabs 29 a and 29 b are coupled to the sub top plate 42 by the blind rivet 81 in a state where the end member 20 is coupled to the openings 47 at both ends of the base plate 40 including the side plate 30.

  The socket support plate 23, the central top plate 41, the sub top plate 42 of the base plate 40, and the inclined plate portion 43 constitute a storage chamber 82 that stores the fluorescent lamp 12. The storage chamber 82 has an opening and faces the light emission direction, and can provide this required illumination.

  A pair of lamp sockets 51 is attached to each socket support plate 23. The lamp sockets 51 face each other in the accommodation chamber 82 facing each other. The caps of the fluorescent lamps 12 are coupled to these lamp sockets 51, and the two fluorescent lamps 12 are provided in the storage chamber 82 in a state of being parallel.

  According to the two lighting fixtures as described above, when assembling the end member 20 including the side plate 30 in the openings 47 generated at both ends of the base plate 40, the insertion portion 24 of the end member 20 is provided. By inserting into the gap 33 formed between the side plate 30 and the folded portion 32, the gap 33 functions as a sliding guide for the insertion portion 24, and the engagement convex portion 25 fits smoothly into the notch 34. You can proceed to work.

  In a state where the engaging convex portion 25 is fitted in the notch 34, the movement of the end member 20 in the insertion / extraction direction is restricted by the engaging convex portion 25 and the notch 34. Further, in this state, the head portion 26 b of the convex claw piece 26 comes into contact with the tip end portion 35 a of the folded claw piece 35 adjacent to the end face side of the side plate 30 from the cutout 34.

  Accordingly, the convex claw piece 26 and the folded claw piece 35 are engaged, and movement in the vertical direction from the ceiling 89 which is a direction intersecting the insertion / extraction direction of the end member 20 is restricted. In this state, it is confirmed that there is no step at the corner on the flat surface 22 side of the instrument main body 11 that is the coupling portion between the side plate 30 and the end member 20, and adjustment is performed to eliminate the step if necessary. After the operation, the folded claw piece 35 is pressed and crushed toward the gap 33 to increase the strength and form a firmly fixed state (FIG. 6). The folded claw piece 35 is formed at the same time as the cutout 34 is formed, and the folded claw piece 35 constituting the second engagement means is formed by the cutout 34 constituting the first engagement means. It is composed of a part of it, so there is no need to create it.

  Thus, the engagement protrusion 25 is fitted into the notch 34, and the end member 20 is fixed so as to restrict movement in the insertion / extraction direction. Further, the folding claw piece 35 and the cutout 34 are fixed so as to restrict movement in a direction perpendicular to the ceiling 89 that intersects the insertion / extraction direction of the end member 20, so that the flat surface 22 side of the instrument body 11 is Therefore, it is possible to assemble an appropriate lighting apparatus having no steps at the corners and without so-called looseness.

DESCRIPTION OF SYMBOLS 11 Instrument main body 12 Fluorescent lamp 14 Case 20 End member 21 End plate 23 Socket support plate 24 Insertion part 25 Engaging convex part 26 Convex claw piece 30 Side plate 34 Notch 35 Folding claw piece

JP 2000-138004 A

Claims (3)

A lamp constituting a light source;
A lighting circuit for lighting the lamp;
A housing having side plates constituting two opposing side surfaces;
An end member for covering openings formed at both ends of the two side surfaces in the housing;
First engagement means formed at each corresponding position of the side plate and the end member, and fixed so as to restrict movement of the end member in the insertion / extraction direction;
Second engagement means that is formed at each corresponding position different from the first engagement means of the side plate and the end member, and is fixed so as to restrict the movement of the end member in the direction intersecting the insertion / extraction direction. Lighting equipment characterized by The lighting apparatus according to claim 1, wherein the second engaging means is configured by using a part of the first engaging means. In the side plate, components of the first engagement means and the second engagement means are formed in the folded portion where the leading edge of the side plate is folded,
In the end member, constituent elements of the first engaging means and the second engaging means are formed in an insertion portion that enters a gap generated between the side plate and the folded portion. The lighting fixture of 2

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