JPH0334209A - Lighting equipment - Google Patents

Abstract

PURPOSE:To stabilize the installation by forming a lamp holding body by use of an arm part to be connected to the base parts of lamps and two arms for holding the lamps. CONSTITUTION:Lamps 16, 17 are stably held in a level with a holding body 11 by three points of arm parts 13, 14, 15. When the holding body 11 having the lamps 16, 17 installed and held thereby is fitted to the fitting recessed part 5 of an equipment body 11 and rotated, the locking part 25 of a conductive locking piece 24 is engaged with the locking piece disposed along the inner edge part of a locking hole 6, and mechanically locked in such a manner as to be capable of being locked and removed, lamp sockets 20, 21 are electrically connected to a lighting circuit, and the holding body 11 is fitted to and held by the fitting recessed part 5. When the holding body 11 is rotated in the opposite direction to exchange lamps, the locking between the locking part 25 of the locking piece 24 and the hole 6 is released to remove the holding body from the recessed part 5 of the main body 1, whereby the lamps 16, 17 can be separated from the body 1 in the state installed to the holding body 1, and lamp exchange can be easily conducted. Hence, the lamp exchange is facilitated, and the lamps can be stably installed in a level.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a lighting device, and relates to a device such as a pendant that is provided with a removable lamp holder for attaching a lamp to the main body of the device.

(Prior art) Conventional lighting equipment of this kind is, for example,
As described in Publication No. 0209, a lamp holder for holding an annular lamp is removably attached to the device body,
A structure was adopted in which the lamp socket was connected to the main body of the device via a cord.

Further, as described in Japanese Patent Application Laid-Open No. 57-126003, a structure is adopted in which a lamp socket is provided on the reflective surface of the device body and a holder for holding the lamp is provided.

(Problems to be Solved by the Invention) In the conventional structure described in the above-mentioned Japanese Utility Model Application Publication No. 56-130209, the lamp socket is connected to the appliance main body by a cord, so when replacing the lamp, it is necessary to The lamp holder must be removed from the fixture body after the lamp holder is disconnected from the lamp socket, and the operation to disconnect the lamp from the lamp socket must be performed at a high place, resulting in poor operability. ing.

Furthermore, even with the structure described in JP-A No. 57-126003, when replacing the lamp, the operation of disconnecting the lamp from the lamp socket must be performed at a high place, resulting in poor workability. have.

Therefore, an arm part having a lamp socket part for connecting and holding the annular lamp to the lamp holder and an arm part having a holder part for holding the lamp are formed, and the lamp holder is connected to the lamp holder at two points on the diameter of the annular lamp. A lighting fixture has been proposed in which the lamp holder can be attached and removed while the annular lamp and the lamp socket remain connected, but with this structure, the annular lamp tends to tilt and cannot be held horizontally. There was a problem.

The present invention has been made in view of the above-mentioned problems, and is a lighting fixture in which the annular lamp is held by the lamp socket part of the arm part of the lamp holder and the holding part of the arm part, in which the annular lamp can be stably held horizontally. The present invention provides a lighting fixture that can be installed.

[Structure of the invention]

(Means for Solving the Problems) A lighting fixture of the present invention includes a fixture body, a lamp holder mechanically and electrically detachably attached to the fixture body, and an annular lamp held in the lamp holder. The lamp holder includes one arm portion having a lamp socket portion that connects the base portion of the annular lamp at equal angles from the base portion and is electrically connected to the appliance body; The lamp is characterized in that two arm parts each having a lamp holding part for holding the lamp are provided in a protruding manner.

(Function) In the lighting device of the present invention, the annular lamp is held by one arm portion forming the lamp socket portion of the lamp holder and two arm portions forming the lamp holder portion, and each arm portion is arranged in a radial direction. Because it protrudes at approximately equal angles, it is held stably horizontally. By mechanically attaching this lamp holder to the fixture body, the lamp socket portion is electrically connected to the lighting circuit of the fixture body. Furthermore, when replacing the lamp, the lamp holder is removed from the appliance main body and placed in a low position, and in this state, the lamp can be removed from the lamp holder.

(Example) The configuration of an embodiment of the present invention will be described with reference to the drawings.

3 is the main body of the device, which is composed of a plate-shaped base plate 2 with an opening at the bottom and a cover 3 having a substantially spherical arc surface.The outer surface of this cover 3 is, for example, a white diffuse reflection surface or a silver diffuse reflection surface. It is formed on a reflective surface 4 such as a surface. And this reflective surface 4
A lamp holder fitting recess 5 is formed in a circular shape in the center of the lamp holder.

This fitting recess 5 is formed with eight locking holes 6 (four in the figure) having a widened portion at one end on a circle with the same name as the fitting recess 5, and on the inner surface of the locking hole 6. is provided with a conductive piece (not shown) connected to a lighting circuit. Further, in the center of the fitting recess 5 of the instrument main body 1, an insertion hole 8 for a pull string 7 of the pull switch is formed.

Further, a lighting circuit board (not shown) is provided on the inner surface of the cover 3, the pull switch is mounted approximately in the center of this circuit board, and lighting components such as a ballast are mounted on this circuit board.

The pull string 7 of the pull switch is pulled out from the bottom insertion hole 8 at the bottom of the pull switch, and each of the conductive pieces is connected to the lighting circuit of the circuit board.

Next, reference numeral 11 denotes a lamp holder that is fitted into the fitting opening 5 of the instrument main body 1, and this lamp holder 11 has arm parts 13, 14, and 15 extending radially from the substantially cylindrical base 12 at substantially equal angles. The first arm part 13 is provided so as to project outwardly and downwardly, and the connection bins of the cap parts 18.19 of the annular lamps 16.17 having different large and small pipe diameters are detachably connected to the first arm part 13. Lamp socket portions 20.21 for holding this annular lamp 16.degree. 17 are provided at upper and lower positions. Furthermore, holding portions 22.23 are formed at upper and lower positions on the second and third arm portions 14.15, respectively, for elastically holding the annular lamp 16.17 in a detachable manner. And this lamp 16. ' Each lamp socket part 20.21 holding an annular lamp 16. 17 base part Ill.

The 19 connection bins are connected downward from the top. Further, the holding portions 22, 22, 23, 23 are opened to the road blade toward the outside of the road, and are adapted to fit and hold the annular lamp 16° 17 from the road blade.

Further, the lamp holder 11 has eight conductive locking pieces 24 protruding from the center of the upper surface thereof, each of which is removably locked in the locking hole 6 of the device main body l. A locking part 25 is formed at the tip of the locking part 25, which is bent at a substantially right angle.
When this lamp holder 11 is fitted into the fitting recess 5 of the instrument main body 1, the locking portions 25 of the locking pieces 24 are inserted into the widened portions of the locking holes 6, and the lamp holder! 1 is rotated in the horizontal direction, the locking pieces 24 come into contact with the conductive pieces disposed inside the locking holes 6, and the lamp holder 11 is mechanically attached to the appliance body 1, and They are now connected to each other. Further, when the lamp holder 11 is rotated in the opposite direction, the locking portion 2 of the conductive locking piece 24
5 is released from the locking hole 6, and the lamp holder 11 can be removed from the fitting recess 5.

In addition, an insertion hole 27 through which the pull cord 7 of the pull switch is inserted is formed in the center of the lamp holder 11 on the upper and lower surfaces. 1 to the fitting recess 5 of the cover 3
The pull cord 7 of the pull switch is pulled out when the pull switch is fitted into the pull switch.

The reflective surface 4 on the outer surface of the cover 3 of the instrument main body 1 is continuous to the lower surface and is formed into a substantially spherical arc shape as a whole. The lower surface portion 28 of the lamp holder 11 fitted into the mating recess 5 is formed into a flat or substantially spherical arc shape, and the lower surface portion 28 of the lamp holder 11 is also formed into a reflective surface as required.

Next, the operation of this embodiment will be explained.

The connecting pin of the cap part 18 of the large-diameter lamp 1G is inserted and connected to the lower lamp socket part 20 of the first arm part 13 of the lamp holder 11 from the road blade, and the second
and the third arm part 14.15 is elastically fitted and held in the lower holding part 22 from above, and the first arm part 13
The connecting pin of the cap part 19 of the small diameter lamp 17 of the upper lamp socket part 21 is inserted into and connected to the receiving part of the lamp socket part 30 from above and held, and the second and third holding arm parts 14 and 15 It is elastically fitted and held in the upper holding part 23 from above. In this state, the lamp 16.
17 is the 11th second and third arm portion 13.14.
Lamp holder 1 at 3 points of Is! is held horizontally and stably. And lamp 16. When the lamp holder 11 holding the lamp holder 17 is fitted into the fitting recess 5 of the fixture body l and rotated, the locking portions 25 of the conductive locking pieces 24 of the lamp holder 11 are engaged with the fixture body 1, respectively. It is engaged with a conductive piece disposed along the inner edge of the stop hole 6 and is mechanically locked in a detachable manner.
is electrically turned into a lighting circuit, and the lamp holder 11 is fitted and held in the fitting recess 5 of the appliance main body 1.

At this time, the pull string 7 of the pull switch is pulled out through the insertion hole 27 in the center of the lamp holder 11.

Furthermore, when replacing the lamps 16 and 17, when the lamp holder 11 is rotated in the opposite direction, the locking portion 25 of the locking piece 24 and the locking hole 6 are unlocked, and the lamp holder is rotated. 11 from the fitting recess 5 of the device body 1, the lamp 1
6.17 allows the lamp holder 11 to be separated from the instrument main body 1 in a state where it is attached to the lamp holder 11. Then, the lamp holder (1) is carried to a low position where the lamp 16.17 can be easily replaced, and the lamp 16.17 can be easily replaced.

Note that the structure for mechanically and electrically detachably attaching the lamp holder 11 to the appliance body 1 is not limited to the ceiling rosette structure of the above embodiment.

〔Effect of the invention〕

According to the present invention, the lamp holder, which is mechanically and electrically detachably attached to the appliance body, connects the cap of the annular lamp radially from the base part at approximately equal angles and is electrically connected to the appliance body. One arm part has a lamp socket part for holding an annular lamp, and two arm parts have a lamp holder part for holding an annular lamp. The lamp holder can be carried to a low position where the lamp can be easily replaced, and the annular lamp can be mounted stably and horizontally in the lighting equipment.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a lighting fixture showing an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the same as the above. 1... Instrument body, 11... Lamp holder, 12... Base part, 13.14.15... Arm part, 16.1?・・Lamp, 20.21・・Lamp socket/soto part, 22.23
...Holding part.

Claims (1)

[Claims] (1) A device body, a lamp holder mechanically and electrically detachably attached to the device body, and an annular lamp held by the lamp holder, the lamp holder having a base portion. one arm part having a lamp socket part that connects the base part of the annular lamp at approximately equal angles radially from the main body and electrically connected to the appliance body; and two arm parts each having a lamp holder part that holds the annular lamp. A lighting fixture characterized by having a protruding arm part.