JPH02257513A - Lighting fitting - Google Patents

Abstract

PURPOSE:To perform operation of attaching/detaching a holder reasonably and stably so as to simplify exchange work of lamps by providing a control portion for a locking mechanism at approximately the center portion between both side portions of a lamp holder which is detachably attached to the engagement recessed portion of the lighting fitting main body. CONSTITUTION:A lamp holder 21 which holds annular lamps with holding arms 24,25 and which is engaged with the fitting main body 1 in such a manner that it can be freely attached/detached thereto,from electrically and mechanically, has a locking mechanism provided on each side or at each end to be locked to the locking hole 6 of the main body 1, i.e., an elastic locking piece 34 or 34a is provided on each side or at each end thereof, and control portions 35 or 35a provided on both sides of the center portion thereof are pressed, whereby locking of the locking piece 34 with the locking hole 6 is released. In this case, A through hole 37 allowing a pullswitch engagement protruding portion 7 located at the center to pass therethrough serves as a guide for positioning the holder 21 with respect to the main body 1. The holder 21 is thus easily attached/detached to/from the main body 1 as it holds lamps, whereby exchange of lamps is simplified.

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 Japanese Patent No. 0209, a structure was adopted in which a lamp socket was connected to a device body via a cord, and a lamp holder for holding an annular lamp was detachably attached to the device body.

(Problem to be Solved by the Invention) In the structure described in the above-mentioned conventional Japanese Utility Model Application Publication No. 56-130209, the lamp holder has a structure in which a screw protruding from the instrument body is inserted into the insertion hole of the lamp holder. Because the lamp holder is attached to the fixture body by screwing a nut into the lamp holder, when replacing the lamp, etc., when attaching the lamp holder to the fixture body, it is difficult to compare the lamp holder's insertion hole with the fixture body at a high place. This has the problem of having to insert a screw with a small diameter, making alignment difficult and having poor operability.

The present invention has been made in view of the above-mentioned problems, and it is possible to easily attach the lamp holder to the appliance body by operating an operating section provided in the center when attaching the lamp holder with the lamp attached to the appliance body. It is an object of the present invention to provide a lighting fixture in which the lamp holder can be easily removed by operating an operating section in the center of the lamp maintenance cover.

[Structure of the invention]

(Means for Solving the Problems) A lighting fixture of the present invention includes a fixture body in which an elongated fitting recess is formed, and a lamp socket that is electrically connected to the fixture body. An elongated lamp holder detachably provided in a mating recess and an annular lamp attached to the lamp holder, and an operation for engaging and disengaging the locking mechanism at substantially the center of both sides of the lamp holder. It is characterized by having a section.

(Function) In the lighting fixture of the present invention, when the lamp is held in the holding part of the lamp holder and connected to the lamp socket, and the lamp holder is attached to the fitting recess of the fixture main body, the lamp holder is It is easy to attach the lamp holder to the appliance body by operating the operation part, and when replacing the lamp, you can easily attach the lamp holder to the appliance body from a high place by operating the operation parts located approximately in the center of both sides of the lamp holder. It can be easily removed, and the lamp can be removed from the lamp holder by placing the lamp holder in a low position.

(Embodiment) The configuration of an embodiment of the present invention will be described with reference to FIGS. 1 to 9.

Reference numeral 1 denotes the main body of the device, which is composed of a plate-shaped base plate 2 with an opening at the bottom and a substantially spherical arc-shaped cover 3, and the outer surface of the cover 3 has a white diffuse-reflecting surface or a silver-colored diffuse-reflecting surface. is formed on the reflective surface 4 of.

The reflecting surface 4 is formed with a diametrically elongated attachment portion, for example, a lamp holder fitting recess 5. A locking hole 6 is formed at the left and right center portions of both side surfaces of the fitting recess 5, and a pull switch serving as a switch is fitted approximately at the center of the inner bottom surface of the fitting recess 5 of the instrument main body 1. A mating protrusion 7 is formed, and an insertion hole 10 for a pull string 9 of the pull switch 8 is formed on the lower surface of the mating protrusion 7 . Further, a substantially cylindrical night light installation part 11 is protruded from one side of the inner bottom surface of the fitting recess 5, and the lower surface of this night light installation part 11 is open. A translucent cover 12 is removably fitted.

In addition, a connector hole 13 is provided on the other side of the inner bottom surface of this fitting recess 5.
is formed. Furthermore, guide holes 14 are formed facing both sides of this connector hole 13, respectively. Further, a semicircular concave arc-shaped operating portion 15 is formed at the outer edge portions of both sides of the central portion of the lamp holder fitting recess 5 formed on the outer surface of the cover 3 .

Further, a circuit board 16 is fitted into the inner surface of the cover 3, and the periphery of the circuit board 16 is locked by a plurality of locking claws 17 protruding from the inner surface of the cover 3. The pull switch 8 is mounted on one surface of this circuit board 16 at approximately the center, and a connector 18 is mounted on one surface of this circuit board 16 so as to be located on one side of the pull switch 8. Lighting parts such as ballasts are attached to the inner surface of the lamp. With the circuit board 16 fitted to the cover 3, the lower part of the pull switch 8 is disposed in the pull switch fitting protrusion 7, and the pull switch 8 is inserted through the lower surface insertion hole 1G of the fitting protrusion 7. The drawstring 9 is pulled out from the insertion hole 10, and the light emitting diode 19 connected to this circuit board 16 is the night light installation part! 1 , and the lower surface of the connector 18 faces the connector hole 13 . This connector 18 has a locking protrusion 20 located inside the lamp holder fitting recess 5 of the cover 3.
is locked.

Next, reference numeral 21 denotes a lamp holder that is fitted into the fitting recess 5 of the instrument main body 1. This lamp holder 21 is formed into a substantially elongated shape, and the upper surface of both ends has annular shapes with different diameters. Holding arms 24 , 25 that elastically hold the lamps 22 , 23 in a removable manner are formed in a downwardly inclined shape toward the outside, and the base portion of the large-diameter lamp 22 is attached to the lower side of one of the holding arms 24 . A holding part 28 having a lamp socket 27 to which 26 lamp pins are connected is provided, and a holding part 31 having a lamp socket 30 to which a lamp pin of the base part 29 of the small-diameter lamp 23 is connected is provided above one of the holding arms 25. It is provided. Further, a holding part 32 for holding the large-diameter lamp 22 is provided below the other holding arm 25, and a holding part 33 for holding the small-diameter lamp 23 is provided above the holding arm 25. .

The lamp holder 21 also has locking mechanisms, e.g., elastic locking pieces 34, which are removably locked in the locking holes 6 of the instrument body 1, on both sides, for example, at approximately the center of both sides. An operation piece portion 35 serving as a pair of operation portions is formed with a cut groove 36, and this lamp holder 21 is connected to the instrument body 1.
When the lamp holder 21 is fitted into the fitting recess 5 of the lamp holder 21, the locking piece 34 is elastically engaged with the locking hole 6, and the lamp holder 21 is fitted into the fixture body 1.
It is designed to be installed on. When the central operating piece 35 is pressed from the operating section 15 of the instrument body 1, the locking piece 34 of the lamp holder 21 is released from the locking hole 6, and the lamp holder 21 is moved into the fitting recess 5. It can be removed from.

Further, in the center of the lamp holder 21, there is a fitting part, for example, an insertion hole 37, which is located between the pair of operation sides 35 and through which the pull switch fitting protrusion 7 serving as the switch part is inserted. is formed to penetrate through the upper and lower surfaces, and an insertion hole 38 that is located on one side of this insertion hole 37 and through which the night light installation portion 11 is pushed is formed to penetrate through the upper and lower surfaces.

Furthermore, a connector piece 40 connected to the connector 18 is provided protruding from the other side of the upper surface of the lamp holder 21, and guide pieces 41 are provided protruding from both sides of the connector piece 40. Then, with this lamp holder 21 fitted into the fitting recess 5 of the cover 3, the pull switch fitting protrusion 7
is inserted into the insertion hole 37, the drawstring 9 is pulled out, and the transparent cover 12 of the night light installation part 11 is exposed to the insertion hole 38,
Further, the connector piece 40 is inserted and connected to the connector 18 by the engagement guide between the guide piece 41 and the guide hole 14.

The reflective surface 4 on the outer surface of the cover 3 of the instrument body 1 is continuous to the lower surface and is formed into a substantially spherical arc shape as a whole, and the diameter of the reflective surface 4 formed on the lower surface of the approximately spherical arc surface 4 is The lower surface portion 42 of the lamp holder 21 that is fitted into the fitting recess 5 that crosses the direction is also formed in a substantially spherical arc shape, so that when the lamp holder 21 is fitted into the fitting recess 5 of the instrument main body 1, , the instrument body 1
The curved surface of the substantially spherical arc-shaped lower surface of the reflecting surface 4 and the substantially spherical arc-shaped curved surface of the lower surface 42 of the lamp holder 21 are formed into a curved surface of the road surface. Further, the lower surface portion 42 of the lamp holder 21
are also formed on the reflective surface as necessary.

Next, the operation of this embodiment will be explained.

The lamp pin of the base 26 of the large-diameter lamp 22 is connected to the lamp socket 27 and held in the holding part 28 on the lower side of one holding arm 24 of the lamp holder 21, and held on the lower side of the other holding arm 25. 32 , and the lamp pin of the cap 29 of the small-diameter lamp 23 is connected to the lamp socket 30 to the upper holding portion 31 of one holding arm 25 and held therein, and the upper holding portion 33 of the other holding arm 25 is connected to the lamp socket 30 . The lamps 22 and 23 are held in the lamp holder 21.
to hold. Then, the lamp holder 2I holding the lamps 22 and 23 is fitted into the fitting recess 5 of the instrument main body 1 by pinching the operation piece 35, and the elastic locking pieces 34 on both sides of the lamp holder 21 are inserted into the instrument main body. By releasing the depression of the operation piece 35 when it is located in the locking hole 6 of No. 1, the locking piece 34 is protruded as shown in FIG. Mechanically locked, the lamp holder 21 is fitted and held in the fitting recess 5 of the instrument body 1. At this time, the insertion hole 3 becomes the insertion part in the center of the lamp holder 2I.
7 is fitted into the pull switch fitting protrusion 7 of the switch part,
The lamp holder 21 is fitted into the fitting recess 5 of the instrument body 1 as a guide for positioning the lamp holder 21 with respect to the instrument body 1 . Then, the pull string 9 of the pull switch 8 is pulled out into the insertion hole 37. Also, at this time, the night light installation section 11
is inserted into the insertion hole 38, the transparent cover 12 of the night light installation part 11 is exposed to the insertion hole 38, and the connector piece 40 is inserted into the insertion hole 38.
is inserted and connected to the connector 18 by the engagement guide between the guide piece 41 and the guide hole 14, and the lamp socket 27, 30 is connected to the lighting circuit of the circuit board 16. In this state, the lower surface portion 42 of the lamp holder 21 forms a curved surface similar to the reflective surface 4 of the appliance body 1 and the road surface.

In this state, in order to light up the lamps 22.23, pull the pull cord 9 of the pull switch 8 pulled out from the insertion hole 37 of the lamp holder 21, and the lamps 22.23 will be lit. At this time, the pull switch fitting protrusion 7 serving as the switch part is located approximately at the center of the fitting recess 5 of the instrument body 1, and since it is located at the approximate center of the instrument body 1, the pull cord 9 for switch operation is The shaking of the instrument main body 1 can be reduced by the tension.

Also, when replacing the lamps 22, 23, etc., please
5, pinch and suppress the operation piece 35 of the lamp holder 21 from both sides, move the locking piece 34 backward, and release the locking piece 34 from the locking hole 6, as shown in FIG. When the lamp holder 21 is removed from the fitting recess 5 of the instrument body 1, the lamp holder 21 can be separated from the instrument body 1 while the lamps 22, 23 are attached to the lamp holder 21. The lamp holder 21 is then moved to a low position where the lamps 22 and 23 can be easily replaced, making it easy to replace the lamps 22 and 23. When holding this lamp holder 21, the lamp 22 with a larger tube diameter is located at the bottom, providing good stability, allowing the lamp holder 21 to be placed stably, and making it easy to replace the lamps 22 and 23. can.

In the above embodiment, a structure has been described in which the operation piece portion 35 serving as the operation portion of the locking mechanism is provided on both sides of the lamp holder 21, that is, at the substantially center portion of both sides, but the structure is not limited to this structure. As shown in FIGS. 1θ to 12, a pair of operating portions may be provided approximately at the center of both sides of the lower surface portion 42 of the lamp holder 21.

The structure of this embodiment is such that the tips of locking pieces 341 are provided at both ends of the lamp holder 21 so as to be movable forward and backward, and an operation piece portion 3 serving as an operation portion is formed at the inner end of both locking pieces 34a.
5 are disposed on both sides of the switch insertion hole 37, and both of the locking pieces 34 are biased in the direction in which the distal end portions protrude by spring means (not shown), respectively. Operation holes 35a are formed in the lower surface portion 42 of the lamp holder 21 on both sides of the insertion hole 37 to operate the operation piece portion 35, respectively. Also, locking holes 6 are formed at both ends of the fitting recess 5 of the cover 3, which is used to attach the instrument main body 1, to which the locking pieces 34 are removably locked.

Then, the lamp holder 21 is fitted into the fitting recess 5 of the instrument main body 1 by pinching the operating pieces 35 from both operating holes 35a, and the locking pieces 34 on both sides of the lamp holder 21 are engaged with the instrument main body 1. By releasing the pressure on the operating piece 35 when it is located in the locking hole 6, the locking piece 34 is released as shown in FIG.
is projected, and the lamp holder 21 is removably mechanically locked to the instrument body.
It is fitted and held in the fitting recess 5 of. At this time, the lamp holder 2
The pull switch fitting protrusion 7 of the switch part is inserted into the insertion hole 37 which serves as the insertion part in the center of the lamp holder 1, and serves as a guide for positioning the lamp holder 21 with respect to the appliance body 1. It is fitted into the fitting recess 5 of the instrument main body 1.

In addition, by pinching and pressing the operating pieces 35 of the lamp holder 21, the locking pieces 34 are moved back as shown in FIG. When the body 21 is removed from the fitting recess 5 of the instrument body 1, the lamp 2
2.23 allows the lamp holder 21 to be separated from the instrument main body 1 in a state where it is attached to the lamp holder 21.

〔Effect of the invention〕

According to the present invention, the lamp holder, which is removably attached to the fitting recess of the device main body, is provided with an operating section for engaging and disengaging the locking mechanism at approximately the center of both sides of the lamp holder, so that the lamp can be attached to the lamp holder. When attaching and detaching the lamp holder to the main body of the device, the lamp holder can be attached and detached by operating the operating part of the locking mechanism located approximately in the center. The safety of attachment and detachment can be improved, and furthermore, the lamp holder can be removed from the instrument body and carried to a lower position where the lamp can be easily replaced, making it easier to replace the lamp.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a lighting fixture showing an embodiment of the present invention, Fig. 2 is a perspective view showing the above lamp attached, Fig. 3 is an exploded perspective view of the above lamp, and Fig. 4 is a lamp holder. A perspective view, FIG. 5 is an exploded perspective view of the main body of the above luminaire, FIG. 6 is a longitudinal sectional front view of the above lighting fixture, FIG. 7 is a perspective view of the above cover and circuit board, and FIG. 8 is a bottom view of the above lamp holder. 9 is a bottom view with the locking piece retracted, FIG. 10 is a perspective view of another embodiment of the lighting device with the lamp holder removed, and FIG. 11 is the same lamp holder as above. FIG. 12 is a bottom view with the locking piece retracted. 1. Apparatus body, 21. Lamp holder, 22° 23.
・Lamp, 27. 30... Lamp socket, 34. Locking piece of the locking mechanism, 35... Operation piece part of the operating section. March 3, 1989 Inventor Yuki Kimura

Claims (1)

[Claims] (1) An elongated lamp holder that has a device main body in which an elongated fitting recess is formed and a lamp socket that is electrically connected to the device main body, and that is detachably installed in the fitting recess by a locking mechanism. and an annular lamp attached to the lamp holder, and an operating section for locking and disengaging the locking mechanism is provided at substantially the center of both sides of the lamp holder.