JPH10269829A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance operability in mounting a lamp and the holding performance of the lamp. SOLUTION: This lighting fixture has a fixture body 1 for housing a wide lamp 2 having a base 2c at the base side of a bulb 2b, a socket 3 installed on the fixture body 1 and for mounting the base 2c, and a lamp supporting spring 4 installed on the bulb 2b-facing installing surface 1a of the fixture body 1 by means of an installing part 4a located at generally the center of the lamp supporting spring 4, and a lamp holding part 4b opened one side and having a space between the lamp holding part 4b and the installing surface 4a at both the ends, and for grasping the vicinity of the point side of the bulb 2b from both the sides. In this case, a connecting segment 4c is provided between the installing part 4a of the lamp supporting spring 4 and the lamp holding part 4b; the connecting segment part 4c has a given space between the connecting segment part 4c and the installing surface 1a and is elastically deformed in the generally vertical direction against the installing surface 1a in holding the lamp 2 on the lamp supporting spring 4; the connecting segment part 4c is deformable until the lamp holding part 4b side abuts on the installing surface 1a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art FIGS. 7 and 8 show a conventional luminaire. The luminaire includes a main body 1, a lamp 2, a socket 3, a lamp support spring 4, and a reflector 5. It is configured.

[0003] The appliance body 1 has a substantially box-like shape with a bottom opening on one side, and is provided with an accommodating space for accommodating two wide lamps 2 therein. This lamp 2
The four tubular bodies 2a are disposed in parallel on substantially the same plane, and the bases on one end side of the bulb 2b formed by connecting spaces in the tubular bodies 2a to form one discharge path. 2d is a one-base fluorescent lamp 2d provided with
The socket 3 is for mounting the one-base fluorescent lamp 2d, and the mounting side of the lamp 2 is directed to the mounting surface 1a, which is the bottom surface near the one side wall inside the fixture body 1, and the other side wall side. Attached to.

The lamp supporting springs 4 are provided on one side wall of the mounting surface 1a of the appliance main body 1 so as to face one socket 3 in a pair, and are provided on the mounting surface 1a of the appliance main body 1. A mounting portion 4a to be abutted and mounted, protruding in a substantially vertical direction from the mounting surface 1a at a tip end side of the mounting portion 4a;
A lamp holding portion 4b which is provided so as to form a substantially circular arc shape which bulges outward with a space between the device main body 1 and a distal end thereof, and which holds an outer tubular body 2a which is a bulb 2b of the lamp 2. It is composed of The pair of lamp support springs 4 is opened at one end opposite to the mounting surface 1a at the distal end of the lamp holding portion 4b so that the width of the opening is smaller than the width of the bulb 2b. The lamp 2 is mounted and held by elastically deforming the lamp support spring 4.

[0005] The reflector 5 has a substantially V-shaped cross section and is attached to the instrument body 1 so as to be located between the two lamps 2 so that light from the lamps 2 is directed to the opening side of the instrument body 1. It is configured to reflect.

[0006]

However, in the conventional luminaire constructed as described above, when the lamp 2 is held by the pair of lamp support springs 4, the opening side of the lamp support spring 4 faces outward. It is necessary to elastically deform the lamp supporting spring 4 so as to open it. However, since the lamp holding portion 4b of the lamp support spring 4 is formed substantially at the tip of the mounting portion 4a in contact with the mounting surface 1a, the lamp holding portion 4b is elastically deformed. This makes it difficult to widen the movable range of the lamp, and there is a possibility that a large operation force is required when the lamp 2 is mounted or the lamp support spring 4 is plastically deformed, resulting in poor operability when the lamp is mounted. there were. For this reason, in the lamp supporting spring 4, it is difficult to increase the margin of the lamp 2 to the bulb 2b on the opening side of the lamp holding part 4b, and it is difficult to improve the holding performance of the lamp 2, and the margin is small. In this case, there is a problem that the lamp 2 is easily detached.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to increase the operability when the lamp is mounted by increasing the movable range of the lamp holding unit without increasing the operation force when the lamp is mounted. It is an object of the present invention to provide a lighting fixture that has improved lamp holding performance by increasing the margin of the lamp supporting spring.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to an apparatus for accommodating a wide lamp having a base provided on a base side of a bulb. A socket attached to the appliance body and to which the base is attached; and a socket attached to a mounting surface of the appliance body facing the valve at a substantially central mounting portion, opening on one side and having the mounting surfaces at both ends. A lamp supporting spring provided with a space between the lamp supporting portions and a lamp holding portion for holding the vicinity of the distal end side of the bulb so as to sandwich the bulb from both sides, wherein the mounting portion of the lamp supporting spring is provided. A predetermined gap between the lamp holding portion and the mounting surface, the lamp supporting spring elastically deforms in a direction substantially perpendicular to the mounting surface when the lamp is held by the lamp support spring, Side Characterized in that a deformable connecting piece until it abuts against the surface.

According to the second aspect of the present invention, the first aspect is provided.
The luminaire of claim 1, wherein the lamp is at least 4
The present invention is characterized in that the tubular bodies are arranged in parallel on substantially the same plane and one discharge path is formed by connecting spaces in the respective tubular bodies.

According to a third aspect of the present invention, in the lighting device according to the first or second aspect, the lamp is mounted on the mounting surface of the lamp support spring facing the lamp holding portion. An abutting portion where the distal end side of the sometimes elastically deformed connecting piece abuts is provided so as to protrude from the mounting surface.

[0011]

1 and 2 show a first embodiment of a lighting fixture according to the present invention. The lighting fixture is not particularly limited, but is a ceiling-mounted type. A lighting device, a lighting device main body 1, a lamp 2, a socket 3,
It comprises a lamp support spring 4 and a reflector 5.

The appliance body 1 has a substantially box-like shape with a bottom opening on one side, and is provided with an accommodation space for accommodating two wide lamps 2 therein. The lighting device (not shown) of the lamp 2 and the like are exposed inside, for example, on the lower surface side. Not accommodated.

The lamp 2 comprises a bulb 2b having four tubular bodies 2a disposed substantially in parallel on substantially the same plane, and having one discharge path formed by communicating spaces in the respective tubular bodies 2a.
And a base 2c provided on the base side, which is one end of the bulb 2b, and a wide base cap fluorescent lamp 2d, and the socket 3 is provided with the base base fluorescent lamp 2d.
The two sockets 3 are mounted on the mounting surface 1a, which is the bottom surface near the one side wall inside the apparatus main body 1 so that the mounting side of the lamp 2 faces the other side wall. Have been.

The lamp supporting spring 4 is provided on the one side wall of the mounting surface 1a of the appliance body 1 in correspondence with the socket 3, and is provided for the bulb 2b of the lamp 2 mounted on the socket 3. It is configured to be able to hold the vicinity of the distal end side. The lamp support spring 4 has a substantially U-shaped mounting portion 4a which is attached to the mounting surface 1a of the instrument main body 1 at a substantially central portion thereof and is mounted by, for example, a screw. Mounting surface 1a of the instrument body 1 on the tip side
The connecting piece 4c is formed so as to be substantially parallel to the mounting surface 1a with a predetermined gap D between the mounting surface 1a and the mounting surface 1a so that the tip end side of the connecting piece 4c forms a corner 4d. It is bent and protruded to the opposite side, and is provided with a lamp holding portion 4b having a substantially arcuate shape bulging outward at the tip thereof and having a space capable of being elastically deformed between the mounting surface 1a and the lamp holding portion 4b. The lamp holding portion 4b on the opening side of the lamp support spring 4
Is smaller than the width of the bulb 2 b of the lamp 2.

The reflector 5 has a substantially V-shaped cross section, and each of the substantially V-shaped surfaces is opposed to the side of the lamp 2 so as to be located between the two lamps 2. Instrument body 1
And the light from the lamp 2
It is configured to reflect light to the opening side of.

The lighting fixture thus constructed is provided with a lamp 2.
First, the bulb 2b of the lamp 2 with the base 2c mounted on the socket 3 is aligned with the opening side of the lamp support spring 4 as shown in FIGS.
And push it vertically. Then, first, the connecting piece 4c provided mainly on both sides of the mounting portion 4a is moved to the mounting surface 1a until the corner 4d formed by the connecting piece 4c and the lamp holding portion 4b contacts the mounting surface 1a. The lamp support spring 4 is elastically deformed in the vertical direction and is opened so as to widen the opening on the tip end side of the lamp support spring 4 (FIG. 4A). In this state, another lamp 2
Then, the lamp holding portion 4b is elastically deformed outwardly in the lateral direction to widen the opening (FIG. 4B), and the bulb 2b of the lamp 2 is moved toward the opening side of the lamp supporting spring 4. And the lamp 2 is held by the lamp holding portion 4b of the lamp support spring 4 by its elasticity (FIG. 4 (c)).
).

With such a configuration, in the lighting fixture according to the present embodiment, the connecting piece elastically deformed so as to have a predetermined gap D with the mounting surface 1a on both sides of the mounting portion 4a of the lamp support spring 4. Since the lamp holding portion 4b is formed at the tip of the portion 4c, the movable range in which the lamp holding portion 4b elastically deforms can be increased without increasing the operation force when mounting the lamp when the lamp 2 is mounted. In addition, the lamp 2 can be easily mounted, and the operability at the time of mounting the lamp can be improved. In addition, the distance between the mounting portion 4a of the lamp support spring 4 and the lamp holding portion 4b is increased by the connecting piece portion 4c, and that portion is also elastically deformed. The tip side is the mounting surface 1a
Therefore, the possibility that the lamp support spring 4 is plastically deformed can be reduced.

Further, the distance between the mounting portion 4a of the lamp support spring 4 and the lamp holding portion 4b is increased by the connecting piece portion 4c, and that portion is also elastically deformed.
Of the lamp 2 on the bulb 2b, and even if a force is applied in a direction to remove the lamp 2, the lamp 2
The elasticity of the lamp holding portion 4b and the connecting piece portion 4c acts to hold the lamp 2, and the lamp 2 can be prevented from being accidentally detached, and the holding performance of the lamp 2 can be improved.

FIGS. 5 and 6 show a second embodiment of the lighting fixture of the present invention.
This embodiment is different from the first embodiment in that the lamp holding portion 4b of the lamp support spring 4 does not rise up the tip of the connecting piece 4c in the direction perpendicular to the mounting surface 1a. A point formed in a substantially arc shape from the distal end of the connecting piece 4c, and a mounting surface 1a of the appliance body 1 facing the distal end of the connecting piece 4c, protruding in a direction perpendicular to the mounting surface 1a, The first embodiment is different from the first embodiment in that an abutting portion 1b that abuts on a connecting piece 4c that elastically deforms when the lamp 2 is mounted is provided so as to have a predetermined gap D between the connecting piece 4c. The configuration is the same as that of the first embodiment. That is, if the connecting portion 4c of the lamp support spring 4 can be largely deformed, the contact portion 1b is held in a state where the lamp 2 is held by the lamp support spring 4 only on one side in the width direction. This is provided to prevent this from occurring.

Even with such a configuration, the same effects as those of the first embodiment can be obtained, and the mounting surface 1a of the instrument main body 1 is separated from the connecting piece portion 4c by a predetermined gap D and elastically deformed. Since the contact portion 1b that contacts the tip of the connecting piece portion 4c is provided, the lamp support spring 4 can have a simple shape.

In each of the above embodiments, the lamp 2 is formed by arranging four tubular bodies 2a on substantially the same plane. However, the present invention is not limited to this. , And eight or more tubular bodies may be formed so as to be arranged on substantially the same plane. Further, in each of the above-described embodiments, the lighting device for two lamps having two lamps 2 is exemplified, but the present invention is not limited to this, and the lighting device for one lamp,
It is needless to say that the lighting device may be any lighting device such as a lighting device.

[0022]

According to the present invention, the lamp supporting spring has a predetermined clearance with the mounting surface on both sides of the mounting portion of the lamp supporting spring. Since the connecting piece portion that is elastically deformed is provided and the lamp holding portion is formed at the tip thereof, the movable range in which the lamp holding portion is elastically deformed without increasing the operating force at the time of mounting the lamp when mounting the lamp. It is possible to increase the size of the lamp, so that the lamp can be easily mounted, and the operability when mounting the lamp can be improved. In addition, the connection piece increases the distance between the mounting portion of the lamp support spring and the lamp holding portion, and that portion is also elastically deformed. When the lamp is pushed in, the distal end of the connection piece contacts the mounting surface. Because of the contact, the possibility that the lamp supporting spring is plastically deformed can be reduced.

Further, the distance between the mounting portion of the lamp supporting spring and the lamp holding portion is increased by the connecting piece portion, and the portion is also elastically deformed, so that the margin of the lamp holding portion on the bulb of the lamp can be increased. At the same time, even if a force is applied in the direction of removing the lamp, the elasticity of the lamp holding portion and the connecting piece acts so as to hold the lamp, and the lamp can be prevented from being accidentally detached, thereby improving the holding performance of the lamp. Can be.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect, the mounting surface of the appliance body is separated from the connecting piece by a predetermined gap to provide elasticity. Since the abutting portion that abuts on the tip of the deformed connecting piece is provided, the lamp support spring can have a simple shape.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a lighting apparatus according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a main part of the above.

FIG. 3 is a side view of a main part of the above.

4A and 4B show a procedure for mounting the lamp, in which FIG. 4A is a side view showing a state in which a connecting piece is deformed toward a mounting surface, and FIG. (C) is a side view of the state of completion of mounting.

FIG. 5 is a side view showing a main part of a lighting apparatus according to a second embodiment of the present invention.

6 (a) is a side view showing a state in which the connecting piece is deformed to the mounting surface side, and FIG. 6 (b) is a state in which the lamp holding part is deformed outward. (C) is a side view of the state of completion of mounting.

FIG. 7 is an exploded perspective view showing a conventional lighting fixture.

8A and 8B show a lamp mounting procedure of the above lamp, wherein FIG. 8A is a side view showing a state in which a connecting piece is deformed to a mounting surface side, and FIG. (C) is a side view of the state of completion of mounting.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument main body 1a Mounting surface 1b Contact part 2 Lamp 2b Valve 2c Cap 2d Tubular body 3 Socket 4 Lamp support spring 4a Mounting part 4b Lamp holding part 4c Connecting piece part

Claims (3)

[Claims] 1. An appliance body for accommodating a wide lamp having a base provided on a base side of a bulb, a socket attached to the appliance body and to which the base is attached, and an attachment of the appliance body facing the bulb. A lamp holding part which is attached to the surface with a substantially central mounting part, is open at one side, and has a space between the mounting surface at both ends and holds the bulb near the tip end side from both sides is provided. A lighting device comprising a lamp support spring, wherein the lamp support spring has a predetermined gap between the mounting portion and the lamp holding portion and the mounting surface. A lighting device, comprising: a connecting piece that is elastically deformed in a direction substantially perpendicular to the mounting surface when the lamp is held, and that is deformable until the lamp holding unit side comes into contact with the mounting surface. 2. The lamp according to claim 1, wherein at least four tubular bodies are disposed in parallel on substantially the same plane and one discharge path is formed by connecting spaces in each tubular body. The lighting fixture according to claim 1. 3. An abutting portion in which the distal end side of the connecting piece elastically deformed when the lamp is mounted abuts on the mounting surface of the lamp support spring facing the lamp holding portion, from the mounting surface. The lighting fixture according to claim 1, wherein the lighting fixture is provided.