JP2006032049A - Lighting fixture and fixture body, and lamp cover - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve working performance of the installation work of a lamp cover on the fixture body and prevent damage to the lamp cover. <P>SOLUTION: An upper support member 28 and a lower support member 29 of flat plate shape for supporting a shade 13 are respectively provided throughout the longitudinal direction of a straight tube fluorescent lamp 10 at the top plate 26 and the bottom plate 27 of the lighting fixture body 12. Further, an upper contact part 31 and a lower contact part 32 to be contacted to the upper support member 28 and the lower support member 29 are respectively provided in the longitudinal direction of the straight tube fluorescent lamp 10 at the shade 13. Then, an engaging projection 30 and an engaging pawl 34 for mutually engaging are provided at the upper support member 28 and the upper contact part 31. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a luminaire arranged below a storage shelf of a kitchen, for example.

  Conventionally, as a lighting fixture, for example, it is arranged below a kitchen storage shelf, a learning desk book shelf, a product display shelf, etc., and passes through the center in the radial direction of the fluorescent lamp and is parallel to the plane parallel to the longitudinal direction of the fluorescent lamp. There is known a lighting fixture for under a shelf for illuminating one side, that is, for illuminating a front range from a vertically lower side of a fluorescent lamp.

  As shown in FIG. 5, the conventional lighting fixture 101 is a so-called wall-mounted lighting fixture, and includes a light source unit 111 having a straight tube fluorescent lamp 110, a fixture main body 112 that supports the light source unit 111, Some include a shade 113 supported by the instrument main body 112 so as to cover the tube fluorescent lamp 110 and a pair of side covers (not shown) attached across the instrument main body 112 and the shade 113.

  The instrument main body 112 supplies a power to the straight tube fluorescent lamp 110 via the connector 121 and a pair of connectors connected to the connection terminal of the straight tube fluorescent lamp 110, and controls the lighting and extinguishing ( And a support base 123 that supports the connector 121 and the control circuit unit. The support base 123 is provided with a top plate 126 and a bottom plate 127, respectively, and a flat plate-like upper support piece 128 and a lower support piece 129 that support the shade 113 are connected to the top plate 126 and the bottom plate 127. Each of the lamps 110 is formed along the longitudinal direction.

  The shade 113 is formed of, for example, a resin material in a substantially U-shaped cross section, and an upper contact portion 131 and a lower contact portion 132 that are in contact with the upper support piece 128 and the lower support piece 129 on the side of the instrument main body 112 are The straight tube fluorescent lamp 110 is integrally formed along the longitudinal direction. The upper contact portion 131 and the lower contact portion 132 are formed in a substantially U-shaped cross section, and a pair of contact pieces 131a forming an opposing gap into which the upper support piece 128 and the lower support piece 129 are inserted substantially in parallel. , 131b, 132a, 132b.

  In the shade 113, the upper support piece 128 and the lower support piece 129 on the side of the instrument body 112 are substantially parallel to the opposing gap between the pair of contact pieces 131a, 131b, 132a, 132b of the upper contact portion 131 and the lower contact portion 132. Each is supported by being inserted. The shade 113 is attached to the instrument main body 112 so as to cover the entire circumference of the straight tube fluorescent lamp 110 in cooperation with the top plate 126 and the bottom plate 127 of the instrument main body 112.

  The side covers are disposed at both ends of the straight tube fluorescent lamp 110 in the longitudinal direction, and are fitted over the end of the instrument main body 112 and the end of the shade 113.

  For the conventional lighting fixture 101 configured as described above, a procedure for attaching and detaching the shade 113 to and from the fixture main body 112 when, for example, replacing the straight tube fluorescent lamp 110 or cleaning the shade 113 will be described.

  First, when removing the shade 113 from the instrument main body 112, each side cover is removed from the instrument main body 112 and the shade 113, and the contact state between the upper support piece 128 of the instrument main body 112 and the upper contact portion 131 of the shade 113 is changed. To release. After releasing the contact state between the upper support piece 128 and the upper contact portion 131, the instrument main body 112 is set with the contact position between the lower support piece 129 of the instrument main body 112 and the lower contact portion 132 of the shade 113 as a rotation fulcrum. The shade 113 is removed from the instrument body 112 by rotating the shade 113 to release the contact state between the lower support piece 129 and the lower contact portion 132.

  On the other hand, when the shade 113 is attached to the instrument main body 112, the lower support piece 129 of the instrument main body 112 and the lower contact portion 132 of the shade 113 are brought into contact with each other, and the instrument main body 112 is set with this contact portion as a rotation fulcrum. The upper support piece 128 of the instrument main body 112 and the upper contact portion 131 of the shade 113 are brought into contact with each other by rotating the shade 113 with respect to the device.

  Next, as shown in FIG. 6, while supporting the shade 113 by hand so as to maintain the contact state between the upper support piece 128 of the instrument body 112 and the contact piece 131 a of the upper contact portion 131 of the shade 113, By attaching each side cover across the main body 112 and both ends of the shade 113, the side body 112 is fixed in a state where the shade 113 is supported by the fixture main body 112, and the assembly work of the lighting fixture 101 is completed.

In addition, as such other conventional lighting fixtures, there are an appliance main body that supports a straight tube fluorescent lamp, a shade that covers the straight tube fluorescent lamp, and both ends of the appliance main body that straddle the appliance main body and the shade. The structure provided with a pair of side cover attached by attaching is disclosed (for example, refer patent document 1).
JP-A-7-240114 (FIG. 2)

  As described above, in the conventional lighting fixture, when the assembling work of the lighting fixture, the shade engaged with the fixture main body is located in front of the lighting fixture with the contact point between the lower support piece and the lower contact portion as a rotation fulcrum. Try to fall into. For this reason, the conventional lighting fixture holds the side cover located at both ends in the longitudinal direction of the shade while maintaining the assembled state by holding and supporting the shade attached to the fixture main body with the fixture main body and the shade. It is necessary to attach so as to be fitted over each.

  That is, the shade supported by the instrument body is in contact with the upper and lower contact pieces of the upper contact part and the lower contact part in a state where the upper support piece and the lower support piece are inserted. Only. For this reason, it is necessary to support a shade by hand so that the state which the upper contact part contact | abutted to the upper support piece of the instrument main body may be maintained.

  In addition, if the hand that supports the shade is accidentally removed during assembly work, the upper abutment part may come off from the upper support piece, the shade may fall off from the instrument body, and the shade may fall and be damaged. It was. Therefore, the conventional lighting fixture has a problem that the workability of the assembly work is poor and the workability is complicated.

  Therefore, the present invention suppresses the lamp cover from falling off from the fixture body in a state in which the lamp cover is engaged with the fixture body, prevents the lamp cover from being damaged, and allows the assembling work of the lighting fixture to be performed safely and alone. An object of the present invention is to provide a lighting fixture, a fixture body, and a lamp cover that can be reliably performed.

  In order to achieve the above-described object, a lighting fixture according to the present invention cooperates with a straight tubular discharge lamp, a fixture body having a top plate and a bottom plate and supporting the discharge lamp, and a top plate and a bottom plate of the fixture body. A lamp cover that is supported across the top and bottom plates so as to cover the entire circumference of the discharge lamp, and a pair of side covers that are provided on both ends of the discharge lamp and are mounted across the fixture body and the lamp cover. With. Further, a flat plate-like upper support piece and a lower support piece for supporting the lamp cover are respectively provided on the top plate and the bottom plate of the apparatus main body along the longitudinal direction of the discharge lamp. Further, the lamp cover is provided with an upper contact portion and a lower contact portion that are in contact with the upper support piece and the lower support piece of the fixture body, respectively, along the longitudinal direction of the discharge lamp. The upper support piece and the upper contact portion are provided with engaging means that engage with each other.

  According to the lighting fixture of the present invention configured as described above, when the upper contact portion of the lamp cover is brought into contact with the upper support piece of the fixture body, the upper support piece and the upper contact portion are engaged by the engaging means. By engaging with each other, the lamp cover is engaged with the instrument body. For this reason, even if it is a case where the hand which supports the lamp cover engaged with the instrument main body is removed from the lamp cover, it is prevented that the lamp cover falls off from the instrument main body. Therefore, according to the lighting fixture of the present invention, since the lamp cover is held on the fixture main body without the side cover attached, the workability of the assembly operation of the lighting fixture is improved.

  The instrument body according to the present invention includes a straight tube discharge lamp, an instrument body having a top plate and a bottom plate and supporting the discharge lamp, and the entire circumference of the discharge lamp in cooperation with the top plate and the bottom plate of the instrument body. A lamp cover that is supported across the top plate and the bottom plate so as to cover the lamp, and a pair of side covers that are provided on both ends of the discharge lamp and are mounted across the fixture body and the lamp cover. Furthermore, the upper and lower contact portions that are in contact with the upper and lower support pieces of the fixture main body are used in the lighting fixture provided with the discharge lamp in the longitudinal direction. In the appliance main body of the present invention, a flat plate-like upper support piece and a lower support piece for supporting the upper contact portion and the lower contact portion of the lamp cover are provided on the top plate and the bottom plate, respectively, along the longitudinal direction of the discharge lamp. The upper support piece is provided with engagement means for engaging with the upper contact portion of the lamp cover.

  Further, the lamp cover according to the present invention includes a straight tube discharge lamp, an appliance main body having a top plate and a bottom plate and supporting the discharge lamp, and the entire circumference of the discharge lamp in cooperation with the top plate and the bottom plate of the appliance main body. A lamp cover that is supported across the top plate and the bottom plate so as to cover the lamp, and a pair of side covers that are provided on both ends of the discharge lamp and are mounted across the lamp body and the lamp cover. The lamp cover is used for a lighting fixture in which a flat plate-like upper support piece and a lower support piece for supporting the lamp cover are provided on the top plate and the bottom plate, respectively, along the longitudinal direction of the discharge lamp. The lamp cover of the present invention is provided with an upper contact portion and a lower contact portion that are in contact with the upper support piece and the lower support piece of the appliance body, respectively, along the longitudinal direction of the discharge lamp. The upper abutting portion is provided with an engaging means for engaging with the upper support piece of the instrument body.

  As described above, according to the present invention, the upper support piece of the instrument main body and the upper contact piece of the lamp cover are provided with engaging means that engage with each other, so that the discharge lamp can be replaced or maintained, etc. When attaching the lamp cover to the fixture body, it is possible to prevent the lamp cover assembled to the fixture body from being accidentally dropped from the fixture body and damaging the lamp cover. Therefore, according to the present invention, the assembling work of the lighting apparatus can be performed safely and reliably by only one person.

  Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

  The luminaire of the present embodiment is a wall-mounted luminaire that is disposed below an indoor side wall or a storage portion that protrudes from the side wall. That is, this lighting fixture is a so-called under-shelf lighting fixture arranged below a storage unit such as a cupboard provided above a kitchen sink or cooking table, for example. It is configured to illuminate one side, that is, the sink and the area in front of the sink, with respect to a plane passing through the center of the direction and parallel to the longitudinal direction of the straight tube fluorescent lamp.

  As shown in FIGS. 1 and 2, the luminaire 1 includes a light source unit 11 having a straight tube fluorescent lamp 10 as a discharge lamp, a device body 12 that supports the light source unit 11, and a tube fluorescent light on the device body 12. A shade 13 that is a lamp cover attached to cover the lamp 10 and a pair of side covers 14 and 15 attached across the shade 13 and the instrument main body 12 are provided.

  The instrument main body 12 includes a pair of connectors 21 connected to the connection terminals of the straight tube fluorescent lamp 10 and a control circuit unit for supplying power to the straight tube fluorescent lamp 10 via the connector 21 and controlling turning on and off. (Not shown) and a support base 23 that supports the connector 21 and the control circuit unit.

  The support base 23 is made of, for example, a metal material, and is provided with a top plate 26 and a bottom plate 27, respectively. At each edge of the top plate 26 and the bottom plate 27, a flat upper support piece 28 and a lower support piece 29 that support the shade 13 are arranged substantially parallel to the top plate 26 and the bottom plate 27 of the straight tube fluorescent lamp 10. They are integrally formed along the longitudinal direction. Then, the upper support piece 28 of the top plate 26 is provided with substantially hemispherical engagement protrusions 30 at predetermined intervals along the longitudinal direction of the straight tube fluorescent lamp 10. In addition, a linear engagement protrusion may be formed on the upper support piece 28 of the support base 23 over the longitudinal direction of the straight tube fluorescent lamp 10.

  The shade 13 is formed of, for example, a resin material in a substantially U-shaped cross section, and an upper contact portion 31 and a lower contact portion 32 that are in contact with the upper support piece 28 and the lower support piece 29 on the side of the instrument main body 12 respectively. Each of the straight tube fluorescent lamps 10 is integrally formed along the longitudinal direction. The upper contact portion 31 and the lower contact portion 32 are formed in a substantially U-shaped cross section, and a pair of contact pieces 31a forming an opposing gap into which the upper support piece 28 and the lower support piece 29 are inserted substantially in parallel. , 31b, 32a, 32b. An engagement claw 34 that is engaged with the engagement protrusion 30 of the upper support piece 28 on the instrument main body 12 side is integrally formed at the tip of the contact piece 31 a of the upper contact portion 31.

  In the shade 13, the upper support piece 28 and the lower support piece 29 on the side of the instrument body 12 are substantially parallel to the gap between the pair of contact pieces 31 a, 31 b, 32 a, 32 b of the upper contact part 31 and the lower contact part 32. Each is supported by being inserted. The shade 13 is attached over the top plate 26 and the bottom plate 27 of the instrument body 12 so as to cover the entire circumference of the straight tube fluorescent lamp 10 in cooperation with the top plate 26 and the bottom plate 27 of the instrument body 12. Yes.

  The side covers 14 and 15 are formed in a bottomed box shape using, for example, a resin material, and the end portions of the support base 23 and the shade 13 are inserted into the openings, respectively. It is engaged across the end of the shade 13. That is, the shade 13 is securely held by the instrument body 12 by attaching the side covers 14 and 15 to both ends.

  A procedure for attaching / detaching the shade 13 to / from the fixture body 12 of the lighting fixture 1 configured as described above will be described.

  First, when removing the shade 13 from the instrument body 12, the side covers 14 and 15 are removed from the instrument body 12 and the shade 13, respectively, and the engagement between the upper support piece 28 of the instrument body 12 and the upper contact portion 31 of the shade 13. Release the combined state. After the engagement state between the upper support piece 28 and the upper contact portion 31 is released, the instrument main body 12 is set with the engagement position between the lower support piece 29 of the instrument main body 12 and the lower contact portion 132 of the shade 13 as a rotation fulcrum. On the other hand, the shade 13 is rotated to release the engaged state between the lower support piece 29 and the lower contact portion 32, whereby the shade 13 is removed from the instrument main body 12.

  On the other hand, when attaching the shade 13 to the instrument body 12, the instrument body is inserted by inserting the lower support piece 29 of the instrument body 12 into the gap between the contact pieces 32 a and 32 b of the lower contact portion 32 of the shade 13. The 12 lower support pieces 29 and the lower contact portion 32 of the shade 13 are brought into contact with each other. The upper support piece 28 of the instrument body 12 and the upper contact of the shade 13 are operated by rotating the shade 13 with respect to the instrument body 12 using the contact position between the lower support piece 29 and the lower contact portion 32 as a rotation fulcrum. The part 31 is brought into contact. At this time, the engaging claw 34 of the abutting piece 31a of the upper abutting portion 31 is engaged with the engaging projection 30 of the upper supporting piece 28, so that the upper abutting portion 31 of the shade 13 is supported by the upper portion of the instrument body 12. It is kept engaged with the piece 28. Therefore, it is not necessary to support the shade 13 by hand so as to maintain the engagement state between the upper support piece 28 of the instrument body 12 and the contact piece 31a of the upper contact portion 31 of the shade 13.

  Subsequently, by attaching the side covers 14 and 15 across the fixture main body 12 and both ends of the shade 13, the state where the shade 13 is engaged with the fixture main body 12 is maintained, and the assembly of the lighting fixture 1 is performed. The work is complete.

  As described above, according to the luminaire 1 of the present embodiment, when the upper abutment portion 31 of the shade 13 abuts on the upper support piece 28 of the instrument body 12, the engagement of the upper support piece 28 of the instrument body 12 is performed. By engaging the engaging claw 34 of the upper abutting portion 31 on the side of the shade 13 with the protrusion 30, the engaged state in which the shade 13 is engaged with the instrument body 12 is maintained. Even if it is a case where it is not necessary to support, ie, the hand which supports the shade 13 assembled | attached to the instrument main body 12 is separated from the shade 13, it can prevent that the shade 13 falls from the instrument main body 12. FIG. Therefore, according to this lighting fixture 1, it is prevented that the shade 13 falls from the fixture main body 12, and is damaged, and the assembly operation | work of the lighting fixture 1 can be performed safely and reliably by one person.

  In addition, although the lighting fixture which concerns on this invention is arrange | positioned under kitchen cupboards etc., for example, and was applied so that the front of a sink and a sink may be illuminated, an illumination range is made into arbitrary directions as needed. Of course, it may be arranged at other positions.

It is a perspective view which shows the lighting fixture which concerns on this invention. It is a disassembled perspective view which shows the said lighting fixture. It is sectional drawing which shows the said lighting fixture. It is sectional drawing which shows the engagement state of an instrument main body and a shade. It is sectional drawing which shows the engagement state of the instrument main body and shade with the conventional lighting fixture. It is sectional drawing which shows the principal part of the shade with which the conventional lighting fixture is provided.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lighting fixture 10 Straight tube fluorescent lamp 11 Light source part 12 Instrument main body 13 Said 14,15 Side cover 21 Connector 23 Support base 26 Top plate 27 Bottom plate 28 Upper support piece 29 Lower support piece 30 Engagement protrusion 31 Upper contact part 32 Lower contact Contact part 31a, 31b, 32a, 32b Contact piece 34 Engagement claw

Claims (9)

A straight tubular discharge lamp,
A main body having a top plate and a bottom plate and supporting the discharge lamp;
A lamp cover supported across the top plate and the bottom plate so as to cover the entire circumference of the discharge lamp in cooperation with the top plate and the bottom plate of the appliance body;
A set of side covers that are provided on both ends of the discharge lamp and are mounted across the instrument body and the lamp cover;
The top plate and the bottom plate of the appliance body are provided with a flat plate-like upper support piece and a lower support piece for supporting the lamp cover over the longitudinal direction of the discharge lamp, respectively.
The lamp cover is provided with an upper contact portion and a lower contact portion that are in contact with the upper support piece and the lower support piece of the appliance main body, respectively, along the longitudinal direction of the discharge lamp.
The lighting device, wherein the upper support piece and the upper contact portion are provided with engaging means for engaging with each other. The upper contact portion has a contact piece that is contacted in parallel with the upper support piece,
The illumination according to claim 1, wherein the engagement means includes an engagement protrusion provided on the upper support piece and an engagement claw provided on the contact piece and engaged with the engagement protrusion. Instruments.   The lighting fixture according to claim 2, wherein the engagement protrusion is provided at a plurality of positions along the longitudinal direction of the discharge lamp.   The lighting fixture according to any one of claims 1 to 3, wherein the lower abutting portion includes a pair of abutting pieces forming an opposing gap into which the lower support piece is inserted in parallel.   The lighting fixture according to claim 1, wherein the upper support piece and the lower support piece are provided on the fixture main body in parallel with main surfaces of the top plate and the bottom plate.   The lighting fixture of any one of Claim 1 thru | or 5 which illuminates only one side with respect to the plane parallel to the longitudinal direction of the said discharge lamp through the center of the radial direction of the said discharge lamp.   The said fixture main body is a lighting fixture of any one of Claim 1 thru | or 6 arrange | positioned under the side wall of a building, or the accommodating part provided in this side wall. A straight tubular discharge lamp, a fixture body having a top plate and a bottom plate, and supporting the discharge lamp; and so as to cover the entire circumference of the discharge lamp in cooperation with the top plate and the bottom plate of the fixture body A lamp cover supported across the top plate and the bottom plate; and a pair of side covers provided on both ends of the discharge lamp and mounted across the fixture main body and the lamp cover. An appliance body used in a lighting fixture in which an upper contact portion and a lower contact portion that are in contact with the upper support piece and the lower support piece of the fixture body are provided in the cover in the longitudinal direction of the discharge lamp. Because
The top plate and the bottom plate are each provided with a flat plate-like upper support piece and a lower support piece for supporting the upper contact portion and the lower contact portion of the lamp cover in the longitudinal direction of the discharge lamp,
The instrument body according to claim 1, wherein the upper support piece is provided with engagement means for engaging with the upper contact portion of the lamp cover. A straight tubular discharge lamp, a fixture body having a top plate and a bottom plate, and supporting the discharge lamp; and so as to cover the entire circumference of the discharge lamp in cooperation with the top plate and the bottom plate of the fixture body A lamp cover supported across the top plate and the bottom plate, and a set of side covers provided on both ends of the discharge lamp and mounted across the fixture body and the lamp cover, A lamp cover used in a lighting fixture in which a flat plate-like upper support piece and a lower support piece for supporting the lamp cover are provided on the top plate and the bottom plate of the main body, respectively, along the longitudinal direction of the discharge lamp. ,
An upper contact portion and a lower contact portion that are in contact with the upper support piece and the lower support piece of the appliance body are respectively provided over the longitudinal direction of the discharge lamp,
The lamp cover according to claim 1, wherein the upper abutting portion is provided with engagement means for engaging with the upper support piece of the instrument body.

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