JPH0334210A - Lighting equipment - Google Patents

Abstract

PURPOSE:To easily remove and install a lamp holding body at the time of lamp exchange by installing the holding body in contact with an equipment body with a fixing member. CONSTITUTION:In the center parts of the both side surfaces of a lamp holding body 1, a through hole 22 for passing the screw cylinder 6 of an equipment body 1 is formed, so that when the holding body 11 is fitted to the fitting recessed part 5 of the body, the cylinder 6 is protruded downward of the holding body 11, and the holding body 11 is mounted to the body 2 by screwing a nut 23 for fixing thereto. A connector piece 24 is passed through a connector hole 8 and connected to a connector, and lamp socket parts 17, 19 are connected to the lighting circuit of a circuit base plate. When lamps 12, 13 are exchanged, the nut 23 is removed from the cylinder 6, whereby the lamps 12, 13 can be separated from the body in the state installed to the holding body 11. Hence, the lamp exchange can be facilitated.

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 a lamp socket was connected to the main body of the device via a cord, and the lamp was connected to the lamp socket.

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 disconnecting from the socket, and the operation to remove the lamp socket must be performed at a high place where the fixture body is installed, making it difficult to operate. have bad problems.

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.

The present invention has been made in view of the above-mentioned problems, and the lamp holder can be attached to and detached from the appliance body with the annular lamp attached, so that the lamp holder can be easily attached and detached when replacing the lamp. The present invention provides a lighting device that can be easily manufactured.

[Structure of the invention]

(Means for Solving the Problems) A lighting fixture of the present invention includes a fixture main body, a lamp socket part that is electrically connected to the fixture main body and connects a base of a ring-shaped lamp, and a lamp holder part that holds the ring-shaped lamp. a lamp holder that is detachably attached to the main body of the device and is sometimes electrically connected to the lamp holder; and an annular lamp held by the lamp holder, the lamp holder It is characterized by being detachably attached to the instrument body using a fixing member.

(Function) In the lighting fixture of the present invention, the annular lamp is held in the holding part of the lamp holder, and the base part of this lamp is connected and mounted to the lamp socket part. Then, the lamp holder holding the lamp is attached to the instrument main body using a fixing member. When replacing the lamp, the lamp holder can be removed from the lamp holder at a high place where the lamp holder is attached, and the lamp can be removed from the lamp holder by placing the lamp holder in a lower position.

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

Reference numeral 1 denotes a 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 circular lamp holder fitting recess 5 is formed in the center of the lamp holder. A threaded cylinder 6 is provided in the center of the fitting recess 5 to project downward, and a pull string 7 of a pull switch provided inside the instrument main body 1 is inserted through the threaded cylinder 6. Further, a connector hole 8 is formed in this fitting recess 5 .

Further, a lighting circuit board (not shown) is incorporated into the inner surface of the cover 3, the pull switch is mounted approximately in the center of this circuit board, and a connector located inside the connector hole 8 is mounted on this circuit board. is attached to the circuit board, and lighting components such as a ballast are attached to this circuit board.

Next, reference numeral 11 denotes a lamp holder that is fitted into the fitting recess 5 of the instrument main body 1, and this lamp holder 11 is formed into a substantially elongated shape, with arm portions 14 and 15 at both ends facing outward. It is formed to slope downward.

The large-diameter lamp 12 is located below this one arm portion 14.
The lamp socket part 1 to which the connection bottle of the base part 16 is connected
7 is provided, and on the upper side of this one arm portion 14 is provided a lamp socket portion 17 to which a connecting pin of the base portion 18 of the small diameter lamp 13 is connected. Further, a holding part 20 for holding the large-diameter lamp 12 is provided below the other arm part 15, and a holding part 21 for holding the small-diameter lamp 13 is provided above this arm part 15. . And this lamp 12. Each holding part 2 holding 13
0.21 is opened toward the road side to elastically hold the annular lamp 12.13 from the road side, and the lamp socket part 17.19 has a receiving part facing the road side. Directed, annular lamp +2. The connection bins of the base portions 16 and 18 of the i3 are connected downward from the top.

In addition, this lamp holder 21 has an insertion hole 22 formed in the center of both sides thereof, through which the threaded tube 6 of the instrument main body 1 is inserted, and when the lamp holder 11 is fitted into the fitting recess 5 of the instrument main body 1. , a threaded cylinder 6 projects below this lamp holder 11, and a nut 2 serving as a fixing member is attached to the protruding end of this threaded cylinder 6.
3 is screwed together, the lamp holder 11 becomes the fixture main body 1.
It is designed to be installed on. Also this nut 23
When the lamp holder 11 is removed from the screw tube 6, the lamp holder 11 is attached to the instrument body 1.
It can be removed from.

Further, on the upper surface of this lamp holder 11, a connector piece 24 that is connected to a connector connected to the circuit board is provided protrudingly. The connector is inserted into the connector hole 8 and connected to the connector.

Further, the lower surface portion 25 of the lamp holder 11 is also formed into a reflective surface as required.

Next, the operation of this embodiment will be explained.

The connection pin of the cap part 16 of the large-diameter lamp 12 is inserted and connected to the lamp socket part 17 on the lower side of one of the holding arms 14 of the lamp holder 11 from above, and is held at the lower side of the other holding arm I5. The connection pin of the cap part 18 of the small-diameter lamp 13 is inserted into the upper lamp socket part 19 of one of the holding arms 14 from above and connected to the holding part 20 of the holding arm 14 from above. The lamps 12 and 13 are held in the lamp holder 11 by being fitted and held in the upper holding part 21 of the lamp 15 from above. Then, when the lamp holder 11 holding the lamps 12 and 13 is fitted into the fitting recess 5 of the instrument body 1, this lamp holder! The threaded cylinder 6 is inserted into the insertion hole 22 of l, and this threaded cylinder 6
When the nut 23 is screwed into the lamp holder 11, the lamp holder 11 is mechanically locked to the instrument main body 1, and the lamp holder 11 is fitted and held in the fitting recess 5 of the instrument main body 1. At this time, the pull string 7 of the pull switch is pulled out from the insertion hole 22 in the center of the lamp holder 11, and the connector piece 14 is inserted through the connector hole 8 and connected to the connector, and the lamp socket part 17.
19 is connected to the lighting circuit of the circuit board.

Also lamp 12. 13, by removing the nut 23 from the threaded tube 6, the lamp holder 11 can be removed from the fitting recess 5 of the instrument body 1, and the lamp 12.
13 allows the lamp holder 11 to be separated from the instrument main body 1 while attached to the lamp holder 11. Then, this lamp holder 11 is attached to the lamp 12. The lamps 12 and 13 can be easily replaced by transporting the lamps 12 and 13 to a lower position where they can be easily replaced.

Further, as shown in FIG. 2, a plurality of screw holes 30 are formed in the fitting recess 5 of the device main body 1, and the screws 31 of the fixing member to be screwed into the screw holes 30 are inserted into the insertion holes 33 of the lamp holder 11. It is also possible to have a structure in which the lamp holder 11 is detachably attached to the instrument main body l by inserting the lamp holder 11 through the lamp holder.

Furthermore, as shown in FIGS. 3 to 5, a cylindrical protrusion 35 is formed at the center of the fitting recess 5 of the instrument body 1, and a locking hole 36 is formed around this protrusion 35. Further, a fitting hole 37 is formed in the center of the lamp holder 11, and this fitting hole 37
An engagement step 38 is formed on the upper part of the engagement hole 37 .
A locking pawl 41 that is inserted into the locking hole 36 is inserted into the rotary knob 39 that becomes a fixing member that is fitted into the locking step 38 and engaged with the locking step 38.
It is also possible to provide a structure in which a locking portion 42 is formed at the tip of the locking pawl 41 .

In this structure, when the lamp holder 11 is fitted into the fitting recess 5 of the instrument main body 1, and the rotation knob 39 is inserted into the fitting hole 37 of the lamp holder 11 and engaged with the engagement step 38, When the locking claw 41 is inserted into the locking hole 36 of the instrument body 1 and the rotation knob 39 is rotated, the locking part 42 is locked at the tip of the locking hole 36, and the lamp holder 11 is fixed to the instrument body. Main body 1 and rotating knob 3
9 and attached to the instrument body 1. Further, when the rotation knob 39 is turned in the opposite direction, the lamp holder 11 is removed from the instrument body 1.

〔Effect of the invention〕

According to the present invention, the lamp socket part that is electrically connected to the appliance body and connects the base of the annular lamp and the lamp holder part that holds the annular lamp are detachably attached to the appliance body and can be attached easily. The lamp holder, which is sometimes electrically connected, is removably attached to the fixture body using a fixing member, so when the lamp is attached to the lamp holder, the lamp holder can be attached to the fixture by operating the fixing member. The lamp holder can be attached and detached from the main body, and when replacing the lamp of the lamp holder, the lamp holder can be easily attached and detached by operating a fixing member, the lamp can be easily replaced, and the structure is simple and inexpensive.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a lighting device showing one embodiment of the present invention with the lamp holder removed, and FIG. 2 is a perspective view of a lighting device showing another embodiment of the invention with the lamp holder removed. A partial perspective view, FIG. 3 shows another embodiment of the present invention, with the lamp holder removed. FIG. 4 is a longitudinal cross-sectional view of a portion of the fixing member, and FIG. 5 is a perspective view of a portion of the fixing member. 1. Apparatus body, 11. Lamp holder, 12° 13.
・Lamp, 16.18...Base part, 17.19...Lamp socket part, 20.21...Lamp holding part, 23...
Fixing member nut, 31. Fixing member screw, 39. Fixing member rotation knob.

Claims (1)

[Claims] (1) It has an appliance body, a lamp socket part that is electrically connected to the appliance body and connects the base of the annular lamp, and a lamp holding part that holds the annular lamp, and is detachably attached to the appliance body. and a lamp holder that is electrically connected to the lamp holder when installed, and an annular lamp held by the lamp holder, and the lamp holder is detachably attached to the fixture body using a fixing member. lighting equipment.