JP3491482B2 - lighting equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art FIG. 5 shows a conventional luminaire, which is a so-called corner light provided at a corner between a wall surface and a ceiling. The light control member 3 is provided.

The instrument body 1 is formed in the shape of a long box having a substantially right-angled triangular cross-section, and accommodates a straight tube fluorescent lamp, which is a light source 2, inside thereof, and also has a substantially right-angled triangular hypotenuse. Is formed so as to have a substantially rectangular opening 1a on one surface side thereof. Further, at the peripheral edge of the opening 1a, the opening 1a
Is provided with a pair of side frame pieces 4 which are formed in the shape of an inner collar toward the inner side of and face each other in one direction, and a pair of end frame pieces 5 which face each other in the other direction.

The louver which is the light distribution control member 3 is formed by arranging a plurality of plate-shaped blades 6 arranged substantially in parallel, and fixing both sides thereof by a pair of long supporting members 7. The length of the supporting member 7 is equal to the length of the opening 1 of the pair of end frame pieces 5.
It is shorter than the distance between the a-side ends, and the width of the louver is 1
It is longer than the distance between the ends of the pair of side frame pieces 4 on the side of the opening 1a, and is formed in a size such that the support member 7 can be placed on the side frame pieces 4.

When the light distribution control member 3 is attached to the instrument body 1, first, the instrument body 1 is placed at the corner between the wall and the ceiling so that the opening 1a faces downward. The support members 7a are attached so as to match with each other, and the one support member 7a is pushed up to the inner side of the inside of the instrument body 1 on the side of the one side frame piece 4a located above the opening 1a. Then, the other support member 7b is put into the inside of the instrument main body 1 from the other side frame piece 4b side, one support member 7a is the upper side frame piece 4a, and the other support member 7b is the lower side frame piece. 4b, respectively, and the light distribution control member 3 is attached to the instrument main body 1.

[0006]

However, in the above-described conventional lighting fixture, the light distribution control member 3 is used when the light source 2 is replaced or the inside of the fixture body 1 is inspected. There is a problem that workability is poor because it is necessary to completely remove from the instrument main body 1 by the reverse procedure of mounting, and leave it on the floor surface etc. before performing work. Further, since a device such as a corner light is usually installed at a high position that is out of reach, it is necessary to use a stepladder or the like to work. In such a case, the light distribution control member 3
In addition to the work of removing and installing the step, it is necessary to repeat the stepping up and down of the stepladder, which further deteriorates the workability.

The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a luminaire having good workability in replacement and maintenance of light sources.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a light source housed in the inside of the invention, which is opened in a substantially square shape on one side,
1 is formed in the shape of an inner flange at the peripheral edge of the opening and faces in one direction.
An instrument main body having a pair of side frame pieces and a pair of end frame pieces facing each other in the other direction, and a pair of support members arranged substantially along the side frame pieces on both sides are provided. In a lighting fixture including a light distribution control member mounted on the fixture main body so as to substantially cover the opening, the one support member is formed to be longer than a distance between the end frame piece ends of the opening. Both sides are slidable on the end frame piece, and the other support member is
Do not make it shorter than the distance between the end frames of the opening.
In the instrument body, the opening of the instrument body faces downward and one side
Mount so that the frame piece is on the upper side and the other side frame piece is on the lower side
The light distribution control member is locked to the other side frame piece side.
One support member is removed and one support member is placed on the end frame piece.
Slide it to the other side frame piece and pull it down to the lower edge of the opening.
It is characterized by being hung at the lower end side of the opening .

According to the invention of claim 2, claim 1
In the lighting fixture described in the above, in the vicinity of the other side frame piece of the fixture main body, an elastic member that engages with the other support member and locks the other support member with the fixture main body is provided. To do.

[0010]

1 to 3 show a first embodiment of a lighting equipment according to the present invention.
It is a so-called corner light provided at the corner between the wall surface and the ceiling, and is configured to include the fixture body 1, the light source 2, the light distribution control member 3, and the elastic member 8.

The instrument main body 1 is formed into a substantially box-like shape by providing end caps 1b at both ends of a substantially fan-shaped elongated body having a central angle of a cross section of a substantially right angle. It is formed so as to have an opening 1a having a substantially rectangular shape in a plan view on one surface side which is an arc side. Also, this opening 1
At the peripheral edge of a, a pair of side frame pieces 4 formed in an inner flange shape toward the inside of the opening 1a and facing in a short direction of the opening 1a, which is one direction, and an end cap 1b on the opening 1a side. A pair of end frame pieces 5 that are provided and face each other in the lengthwise direction of the opening 1a, which is the other direction, are provided, and the end portion of the side frame piece 4 on the opening 1a side is provided inside the instrument body 1. A protruding rising piece 4c is formed. In addition, inside the instrument body 1,
The ballast 9 is housed, and the opening 1a is located farther than the ballast 9.
On the side and near the pair of end caps 1b, the opening 1
A plate-shaped socket base 10 bent in an arc shape is attached to the inside of the instrument body 1 so as to face a. A lamp socket 11 to which a straight tube fluorescent lamp, which is the light source 2, is mounted is attached to the socket base 10, and a reflector 12 is attached to the light source 2 on the side opposite to the opening 1a.

The louver which is the light distribution control member 3 is formed by arranging a plurality of plate-shaped blades 6 arranged substantially parallel to each other, and has a long L-shaped cross section extending on both sides thereof in a direction perpendicular to the blades 6. 1
It is configured to be fixed by a pair of support members 7. The length L1 of the one support member 7a is longer than the distance L2 between the end portions of the end frame pieces 5 of the opening 1a and the diagonal length L of the opening 1a.
The length is shorter than 3, and is shorter than the distance L4 between the inner surfaces of the end caps 1b. The length L5 of the other support member 7b is formed shorter than the distance L2 between the end portions of the end frame pieces 5 of the opening 1a.

A plurality of elastic members 8 are attached to the instrument body 1 to hold the light distribution control member 3 in the instrument body 1, and one end of an elongated leaf spring is bent to form a pressing portion 8a. The pressing portion 8a side is attached to the inside of the instrument body 1 toward the opening 1a side, near the side frame piece 4, and at the other end side.

The luminaire thus constructed is
The right-angled portion of the end cap 1b is attached to the corner of the wall surface and the ceiling so that the opening 1a faces downward and the other side frame piece 4b faces downward. Next, one support member 7a of the light distribution control member 3 is pushed up according to the diagonal line of the opening 1a of the instrument body 1 to be inserted into the instrument body 1, and the support member 7
The light distribution control member 3 is rotated so that the light beams are parallel to the side frame piece 4, and the one support member 7a is placed on the upper side frame piece 4a.
Then, the light distribution control member 3 is temporarily suspended by being locked on the rising piece 4c so that the light distribution control member 3 is temporarily mounted. Then, the other support member 7b is inserted from the side of the other side frame piece 4b, which is the lower side, into the device body 1 while pressing and deforming the elastic member 8, and placed on the other side frame piece 4b. The supporting member 7b is locked between the elastic member 8 and the other side frame piece 4b, and the light distribution control member 3 is attached to the instrument body 1 so as to substantially cover the opening 1a.

Further, when the straight tube type fluorescent lamp which is the light source 2 is replaced or when the maintenance and inspection of the inside of the instrument body 1 is performed,
First, the other support member 7b is pushed inward of the instrument body 1 to be removed from the other side frame piece 4b, and the light distribution control member 3 is arranged such that the one support member 7a is the rising piece 4c of the one side frame piece 4a.
It is temporarily suspended as a state of being locked to. Next, the light distribution control member 3 is pushed up toward the inside of the instrument body 1 to remove the one support member 7a from the one side frame piece 4a and put it on the pair of end frame pieces 5, and the light distribution control member 3 is attached. When it is pulled down, one support member 7a moves on the end frame piece 5 and the other side frame piece 4
The light distribution control member 3 slides to the support member 7a
It is suspended at the lower end side of the opening 1a. As a result, the lighting fixture does not have the light distribution control member 3 on the front side of the opening 1a. Therefore, the operator inserts his / her hand into the inside of the fixture body 1 from the front side of the fixture body 1 to replace the light source 2 from the side of the opening 1a or the fixture body 1 Perform internal maintenance.

As described above, in the lighting equipment according to the present embodiment, one support member 7a of the light distribution control member 3 is
The end frame piece 5 is formed longer than the distance L2 between the end portions on the side of the opening 1a so that both sides are slidable on the end frame piece 5, and the other support member 7b is connected to the opening 1a of the end frame piece 5. The light distribution control member 3 removes the other support member 7b from the other side frame piece 4b side because the light distribution control member 3 is formed to be shorter than the distance L2 between the side end portions and is locked to the other side frame piece 4b side. After that, when one support member 7a is slid on the end frame piece 5 and pulled down to the lower end of the opening 1a, a temporary suspension state is set at the lower end side of the opening 1a. As a result, the lighting fixture does not have the light distribution control member 3 on the front side of the opening 1a. Workability can be improved by putting in a hand and performing replacement of the light source 2 and maintenance / inspection of the instrument body 1 from the opening 1a side.

In the vicinity of the other side frame piece 4b of the instrument body 1, the other support member 4b is engaged with the other support member 4b.
Since the elastic member 8 that locks the device with the instrument body 1 is provided, it is possible to prevent the light distribution control member 3 from rattling or rising.

When the other support member 7b is pushed inside the instrument body 1 and removed from the other side frame piece 4b, one support member 7a of the light distribution control member 3 is locked to the rising piece 4c. Therefore, in that state, the light distribution control member 3 does not inadvertently slide on the lower end side of the opening 1a and does not fall off, and the safety is enhanced.

[0019]

FIG. 4 shows a reference form of the lighting fixture of the present invention. This lighting fixture is a ceiling-embedded lighting fixture that is attached to an embedding hole provided in the ceiling. The difference from the embodiment is that the instrument body 1 is formed into a long, substantially box-like shape that is opened on the lower surface side and is embedded and mounted in the ceiling. Others are substantially the same as those of the first embodiment. Is configured.

[0021] Because of this configuration, the in luminaires in Reference Embodiment, the separately from the effects of the first embodiment, sliding the light distribution control member 3 to one of the support member 7a on the end frame piece 5 One side frame piece 4 with respect to the opening 1a
If it is temporarily hung on the side a or on the side of the other side frame piece 4b, it is possible to put a hand inside the equipment body 1 without disturbing the light distribution control member 3 from either side frame piece 4 side of the equipment body 1. can be, maintenance in replacing or instrument body 1 of the light source 2 from either side of the opening 1a can be performed in easy.

In the lighting equipment of each of the above-mentioned forms, the other short support member 7b of the pair of support members 7 is used.
Is placed on the other side frame piece 4b, and the elastic member 8
However, the present invention is not limited to this, the other supporting member is not placed on the other side frame piece, and only the elastic member is used. The other support member may be locked to the instrument body. In this case, the other support member can be easily attached to and detached from the instrument body, and workability during maintenance and inspection is further improved.

In addition, in the lighting equipment of each of the above-described embodiments , the other support member 7b is placed on the other side frame piece 4b, and is sandwiched between the other side frame piece 4b by the elastic member 8. However, the present invention is not limited to this, and the other supporting member may be locked by other means. For example, instead of the elastic member, the hook may be provided near the other side frame piece. The light distribution control member may be provided with the hook, and the light distribution control member may be provided with the hook, and the hook may be engaged with the other side frame piece.

Although the louver is illustrated as the light distribution control member 3 in the lighting fixture of each of the above-described embodiments , the present invention is not limited to this, and a light-transmitting panel having a pair of support members at both ends may be used. Good.

[0025]

According to the present invention, since it is configured as described above, one of the support members of the light distribution control member is set to be closer than the distance between the end portions on the opening side of the end frame piece. It is made long so that both sides are slidable on the end frame piece, and the other support member is formed shorter than the distance between the end portions on the opening side of the end frame piece and locked to the other side frame piece side. For this reason, the light distribution control member temporarily removes the other support member from the other side frame piece side, then slides one support member on the end frame piece and pulls it down to the lower end of the opening. Suspended. As a result, the lighting fixture does not have the light distribution control member on the front side of the opening.Therefore, even if the light distribution control member is not completely removed from the fixture body, you can put your hand inside the fixture body from the front side of the fixture body to open it. Therefore, the workability can be improved by exchanging the light source and maintaining and checking the inside of the fixture body.

According to the invention of claim 2, claim 1
In addition to the effects of the described invention, since the elastic member that engages with the other support member and locks the other support member to the instrument body is provided in the vicinity of the other side frame piece of the instrument body, the other support member Can be easily attached to and detached from the instrument body, further improving workability during maintenance and inspection.

[Brief description of drawings]

1A and 1B show a first embodiment of a lighting fixture of the present invention, wherein FIG. 1A is an exploded perspective view and FIG. 1B is a sectional view.

FIG. 2 is a view showing a main part of the above lighting fixture, (a) is a plan view of the fixture body as seen from the opening side, and (b) is a front view of a light distribution control member.

[Fig. 3] Fig. 3 shows a procedure for removing the light distribution control member at the time of maintenance and inspection of the above-mentioned lighting equipment. (A) is a perspective view of the light distribution control member covering the opening side, and (b) is the other. FIG. 3C is a perspective view of a temporary suspension state in which the supporting member is removed from the other side frame piece, and FIG. 7C is a perspective view of a state where the light distribution control member is temporarily suspended by the one supporting member.

FIG. 4 shows a reference form of a lighting fixture of the present invention,
(a) is a perspective view showing a state where the light distribution control member of the ceiling-mounted lighting fixture is moved to one side frame half side, and (b) is the ceiling-mounted lighting fixture light distribution control member on the other side frame half side. It is a perspective view of the state where it was brought near.

5A and 5B show a conventional lighting fixture, in which FIG. 5A is an exploded perspective view and FIG. 5B is a schematic sectional view.

[Explanation of symbols]

1 instrument body 1a opening 2 light sources 3 Light distribution control member 4 side frame pieces 4b The other side frame piece 5 End frame piece 7 Support member 7a One support member 7b The other support member 8 elastic members

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) F21V 17/00 380 F21S 4/00 F21S 8/00

Claims (2)

(57) [Claims] 1. A light source is housed inside and opens in a substantially square shape on one surface side, and a pair of side frame pieces formed in an inner flange shape at the peripheral edge of the opening and facing each other in one direction. Do 1
An instrument main body having a pair of end frame pieces, and a pair of support members disposed substantially along the side frame pieces on both sides are attached to the instrument main body so as to substantially cover the opening. And a light distribution control member, the one support member is formed longer than a distance between end portions of the end frame pieces of the opening so that both sides are slidable on the end frame pieces. At the same time, the other support member is formed to be shorter than the distance between the end frame piece ends of the opening.
Facing side, one side frame piece on the upper side, the other side frame piece on the lower side
The light distribution control member is attached so that the other support member that is locked to the other side frame piece side is removed, and the one light distribution control member is supported.
The holding member slides on the end frame piece to the other side frame piece and
It will be pulled down to the end and suspended at the lower end of the opening.
Luminaire, characterized in that there was Uninashi. 2. An elastic member is provided near the other side frame piece of the instrument body, the elastic member engaging the other support member and locking the other support member to the instrument body. The lighting fixture according to claim 1.