JPH0241775Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] This invention relates to a lighting fixture that is applied to indirect lighting such as cove lighting.

[Background technology]

Conventionally, as shown in FIG. 2, a lighting fixture 34 is installed on a fixture mount 32 provided at the top of a wall 30.
There is cove lighting that illuminates the upper part of the wall 30 and the ceiling 36. As shown in FIG. 3, the structure of the lighting fixture 34 includes a fixture main body 38 that houses electrical components (not shown) such as a ballast, a socket 42 attached to the fixture main body 38 via a socket base 40, It consists of a U-shaped or other single-cap fluorescent lamp 44 mounted in a socket 42, and a reflector plate 46 attached to the single-cap fluorescent lamp 44. socket 4
2, a single-capped fluorescent lamp 44 is rotatably attached to a socket base 40 so as to be rotatable in the direction of the arrow. The single-capped fluorescent lamp 44 is held in the vicinity of its tip by a lamp support spring 48 fixed to the device body 38 . Further, reflector-side lamp support springs 54 and 56 are fixedly attached to the reflector plate 46 via mounting brackets 50 and 52, and these reflector-side lamp support springs 54 and 56 support the single-cap fluorescent lamp 44. The reflective plate 46 is attached to the single-cap fluorescent lamp 44 by grasping the portion near the tip and the portion near the base. Note that, as shown in FIG. 4A, the lamp support springs 54 and 56 on the reflection plate side have a wide gripping piece 58, and the lamp support springs 48 and 56 on the apparatus body side have a wide gripping piece 58.
As shown in FIG. 4B, the width of the gripping piece 60 is narrow, and the lamp support spring 54 on the reflection plate side,
56 has a larger gripping force than the lamp support spring 48 on the instrument main body side.

When replacing the single-cap fluorescent lamp 44,
A trader grabs the reflector 46 and pulls it up. Then, since the gripping force of the lamp support spring 54 on the reflector side is greater than the gripping force of the lamp support spring 48 on the appliance body side, the single-cap fluorescent lamp 44 comes off from the lamp support spring 48 on the appliance body side. Furthermore, insert the lamp pin of the base 62 of the single-base fluorescent lamp 44 into the socket 4.
Pull it out from 2. In this way, the single-capped fluorescent lamp 44 is removed from the appliance body 38. In addition,
The single-capped fluorescent lamp 44 is installed in the reverse order.

However, according to the lighting fixture configured in this way, two types of lamp support springs are used: the lamp support spring 48 on the fixture body side and the lamp support springs 54, 56 on the reflector side.
There was a problem that the management cost and manufacturing cost of 56 were high.

Furthermore, since the lamp support springs 48 on the fixture body side and the lamp support springs 54, 56 on the reflector side are very similar in shape, the user may mistakenly use the lamp support springs 48 on the fixture body side.
8 and the reflector-side lamp support springs 54, 56 may be installed in reverse order. If it is installed in reverse like this, even if you hold the reflector plate 46 and pull it up, the single-cap fluorescent lamp 44 will not touch the fixture body 3.
8, and it becomes necessary to hold the single-cap fluorescent lamp 44 and remove it from the lamp support spring 48 and the socket 42 on the apparatus main body side, which impairs the workability of lamp replacement.

[Purpose of invention]

The purpose of this invention is that the same type of lamp support springs can be used for the lamp support springs on the appliance body side and the lamp support springs on the reflector side, thereby significantly reducing product defects, and reducing parts management costs and manufacturing costs. Moreover, it is an object of the present invention to provide a lighting device with good lamp replacement workability.

[Disclosure of invention]

The lighting equipment of this invention includes an equipment body, a socket rotatably attached to the equipment body so that the attached single-capped fluorescent lamp can be rotated between an irradiation position and an attachment/detachment position, and a socket fixed to the equipment body. a lamp support spring provided on the side of the single-cap fluorescent lamp, the lamp support spring having a lamp insertion port that can grip the single-cap fluorescent lamp in the irradiation position and release the grip in the attachment/detachment position; A reflector plate is provided and fixed to the reflector plate in the opposite direction with respect to the lamp support spring on the apparatus main body side, and when the reflector plate is pulled and rotated around the socket, the single-cap part is rotated. a reflector-side lamp support spring that grips the single-capped fluorescent lamp at a position a predetermined distance away from the appliance body-side lamp support spring on the opposite side of the socket so that the light lamp is detached from the appliance body-side lamp support spring; It is equipped with the following.

According to the configuration of this invention, when the reflector is pulled up, the single-cap fluorescent lamp is no longer supported by the lamp support spring on the appliance body side, and the single-cap fluorescent lamp supported by the lamp support spring on the reflector side is The lamp support spring on the reflector side is attached at a position a predetermined distance away from the lamp support spring on the instrument main body side in a direction opposite to the socket direction so as to rotate from the irradiation position to the attachment/detachment position using the socket as a fulcrum. In this manner, by providing the lamp support springs on the appliance main body side and the lamp support springs on the reflector side with their positions shifted from each other, the single-cap fluorescent lamp can be attached and detached by pulling up the reflector. Therefore, the same type of lamp support spring can be used for the lamp support spring on the fixture body side and the lamp support spring on the reflector side, reducing management costs and manufacturing costs. This eliminates the problem of installing the side lamp support spring incorrectly, and can significantly reduce product defects.

Furthermore, the single-cap fluorescent lamp can be attached or detached by pulling up the reflector plate to put the single-cap fluorescent lamp in the attachment/detachment position, and then removing the single-cap fluorescent lamp from the socket. In this way, since the removal of the reflector and the attachment and detachment of the single-cap fluorescent lamp can be performed in a series of operations, the workability of lamp replacement is good.

Embodiment An embodiment of this invention will be described based on FIG. The lighting fixture of this embodiment includes a fixture main body 10,
A socket 14 is rotatably attached to the instrument body 10 so that the attached single-cap fluorescent lamp 12 can be rotated between an irradiation position and an attachment/detachment position; a lamp support spring 16 on the appliance main body side having a lamp insertion port that can grip the lamp 12 in the irradiation position and release the grip in the attachment/detachment position; and a reflector disposed on the side of the single-capped fluorescent lamp 12. a plate 20, and a reflector 2 fixed to the reflector 20 in an opposite orientation with respect to the lamp support spring 16 on the apparatus main body side.
the socket 14 from the lamp support spring 16 on the appliance main body side so that the single-cap fluorescent lamp 12 comes off from the lamp support spring 16 on the appliance body side when the single-cap fluorescent lamp 12 is rotated around the socket 14 by pulling 0.
and a reflector-side lamp support spring 18 that grips the single-capped fluorescent lamp 12 at a position a predetermined distance away from the opposite side.

Electrical parts (not shown) such as a ballast are provided within the appliance body 10, and a Z-shaped socket mounting hardware 22 is fixed to the upper surface of one end of the appliance body 10. The socket mounting hardware 22 has a socket insertion hole (not shown), into which the socket is loosely fitted and is prevented from coming off with a protrusion (not shown) protruding from the outer surface of the socket. It is attached so that it can rotate up and down. Also,
An appliance body-side lamp support spring 16 is provided upright on the upper surface of the other end of the appliance body 10. The lamp support spring 16 on the main body side of the appliance has a lamp insertion opening that opens upward, and is a U-shaped or π-shaped single opening that is attached by inserting a lamp pin (not shown) protruding from the base portion 23 into the socket 14. Grasp the gold fluorescent lamp 12 from both sides. Further, the reflector 20 is disposed on the side of the single-capped fluorescent lamp 12, and fixed bases 2 are fixed to both ends of the inner surface of the reflector 20.
4 and 26, the reflector-side lamp support springs 18 and 26 are respectively placed in a position where the lamp insertion ports open downward.
28 is fixed. The reflector plate 20 is attached to the single-cap fluorescent lamp 12 by gripping both ends of the single-cap fluorescent lamp 12 with the reflector-side lamp support springs 18 and 28, respectively. The lamp support spring 16 on the appliance body side and the lamp support springs 18, 28 on the reflector side are both formed of the same type of lamp holding spring, and the lamp support spring 16 on the appliance body side is the same as the lamp support spring 1 on the both reflector sides.
It is located between 8 and 28.

FIG. 1 shows an irradiation posture in which a single-cap fluorescent lamp 12 is supported by a lamp support spring 16 on the apparatus main body side. When replacing the lamp, use socket 14
The reflector plate 20 is pulled up in the direction of arrow Q at a position more than l away from the socket 14 and slightly closer to the socket 14 than l, and the single-cap fluorescent lamp 12 is rotated around the socket 14. Then, the single-capped fluorescent lamp 1
2, an upward force P acts on the lamp support spring 18 portion on the reflector side, and the lamp support spring 18 on the appliance main body side
A downward force p acts on the 6th part. Between the forces P and p in both directions, a relationship of P>p is established based on the moment around the socket 14. Therefore, when the tension force that pulls the reflector plate 20 becomes larger than the gripping force of the lamp support spring 16 on the appliance body side or the lamp support spring 18 on the reflection plate side, the single-cap fluorescent lamp 12 is first pulled by the lamp support spring 16 on the appliance body side. is released from support, and the single-capped fluorescent lamp 12 is rotated to the attachment/detachment position. Furthermore, the single-capped fluorescent lamp 12 is removed from the socket 14 and the lamp is replaced.

According to the lighting fixture configured in this way, the lamp support springs 16 on the fixture body side are shifted from each other in position.
In addition, by providing a lamp support spring 18 on the reflector side, the single-cap fluorescent lamp 12 can be attached or detached by pulling up the reflector 20, and the lamp support spring 16 on the appliance body side and the lamp support spring on the reflector side can be attached or removed. The same type of lamp support springs as 18 and 28 can be used, reducing management costs and manufacturing costs. This can significantly reduce product defects.

Also, from the socket 14, L×l/(L−a+
The reflector 20 is located at a position further away than the position that is
The single-cap fluorescent lamp 12 can be attached or detached by pulling it up to put the single-cap fluorescent lamp 12 in the attachment/detachment position, and then removing the single-cap fluorescent lamp 12 from the socket 14. In this way, the removal of the reflector 20 and the attachment and detachment of the single-capped fluorescent lamp 12 can be performed in a series of operations, so that the workability of lamp replacement is good. Furthermore, if the socket 14 side is pulled further than L×l/(L-a+l), the reflector side lamp support spring 28 will come off, but after that, the reflector side lamp support spring 18 side cannot be pulled out. The single-capped fluorescent lamp 12 has a lamp support spring 16 on the appliance body side.
Once removed, the single-cap fluorescent lamp 12 is held by the reflector side lamp support spring 18, and the single-cap fluorescent lamp 12 can be attached and detached by a series of operations. Therefore, the workability of lamp replacement is good.

[Effect of idea]

According to this idea, when the reflector is pulled up,
The single-cap fluorescent lamp is no longer supported by the lamp support spring on the device body side, and the single-cap fluorescent lamp supported by the lamp support spring on the reflector side rotates from the irradiation position to the attachment/detachment position using the socket as a fulcrum. The reflector-side lamp support spring is attached at a position a predetermined distance away from the appliance body-side lamp support spring in a direction opposite to the socket direction. In this way, by providing the lamp support springs on the fixture body side and the lamp support springs on the reflector side with their positions shifted from each other,
By pulling up the reflector plate, the single-cap fluorescent lamp can be attached and detached. Therefore, it is possible to use the same type of lamp support spring for the lamp support spring on the fixture body side and the lamp support spring on the reflector side, reducing management costs and manufacturing costs. This eliminates the problem of installing the side lamp support spring incorrectly, and can significantly reduce product defects.

Furthermore, the single-cap fluorescent lamp can be attached or detached by pulling up the reflector plate to put the single-cap fluorescent lamp in the attachment/detachment position, and then removing the single-cap fluorescent lamp from the socket. In this way, since the removal of the reflector and the attachment and detachment of the single-cap fluorescent lamp can be performed in a series of operations, there is an effect that the workability of lamp replacement is good.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an embodiment of this invention, Fig. 2 is a sectional view showing the installed state of the lighting equipment, Fig. 3 is an exploded perspective view of a conventional example, and Fig. 4A is the lamp on the reflector side. A perspective view of the support spring, FIG. 4B is a perspective view of the lamp support spring on the appliance main body side. 10... Apparatus body, 12... Single-cap fluorescent lamp, 14... Socket, 16... Lamp support spring on the apparatus main body side, 18... Lamp support spring on the reflector side,
20...Reflector.

Claims (1)

[Scope of utility model registration request] an apparatus body, a socket rotatably attached to the apparatus body so that the attached single-cap fluorescent lamp can be rotated between an irradiation position and an attachment/detachment position, and a socket fixedly attached to the apparatus body and the single-cap fluorescent lamp a lamp support spring on the main body side having a lamp insertion port that can grip the lamp in the irradiation position and release the grip in the attaching/detaching position; and a reflector disposed on the side of the single-capped fluorescent lamp; When the lamp is fixed to the reflector plate in the opposite direction with respect to the lamp support spring on the apparatus main body side, and when the reflector plate is pulled and rotated around the socket, the single-cap fluorescent lamp is fixed to the lamp support spring on the apparatus main body side. and a reflector-side lamp support spring that grips the single-cap fluorescent lamp at a position a predetermined distance away from the lamp support spring on the opposite side of the socket from the lamp support spring on the apparatus main body side so as to be detached from the lamp support spring.