JPH02260311A - Lighting device - Google Patents

Abstract

PURPOSE:To remove and attach a lamp holding body to an equipment body in the state where a lamp is installed thereto and facilitate the exchange of the lamp by removably locking the lamp holding body on both side surfaces of its center in the state where the lamp holding body is fitted to the fitting recessed part of the equipment body. CONSTITUTION:The lamp pin of the base part of a lamp having a major diameter is inserted and connected to a lamp socket 27 in a holding part 28 on the lower side of one holding arm 24 of a lamp holding body 21, and also the lamp is fitted to a holding part 32 on the lower side of the other holding arm 25 from the above and held thereby. Similarly, a lamp having a minor diameter is held by a lamp socket 30 and a holding part 33. When the lamp holding body 21 having the lamp installed and held thereon is fitted to the fitting recessed part 5 of an equipment body 1, elastic locking pieces 34 on both sides of the lamp holding body 21 are removably locked by locking holes 6 formed on central both sides of both side surfaces of the fitting recessed part 5 of the equipment body 1.

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.

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. 130209, the lamp holder protrudes from the reflective surface of the appliance body, impairing the appearance, and making it difficult to replace the lamp. In this case, the operation of disconnecting the lamp from the socket must be performed at a high place such as on the ceiling, which poses a problem of poor operability.

Furthermore, even with the structure described in Japanese Patent Application Laid-Open No. 57-126003, the operation for disconnecting the lamp and the lamp socket must be performed at a high place, which has the problem of poor workability.

Therefore, a lighting fixture has been proposed (not publicly known) in which a lamp holder provided with a lamp socket is removably fitted into the fixture body. A stable engagement and disengagement mechanism is required.

The present invention has been made in view of the above-mentioned problems, and the lamp holder is reliably held without wobbling when the lamp holder is removably attached to the instrument body.
Moreover, the lamp holder can be easily removed from the fixture body, and the lamp can be replaced easily.

[Structure of the invention]

(Means for Solving the Problems) A lighting fixture of the present invention includes a fixture body, a lamp socket electrically connected to the fixture body, and a lamp holder that is mechanically detachably attached to the fixture body. and an annular lamp attached to the lamp holder,
A fitting recess into which the lamp holder is fitted is formed in the fixture body, and the lamp holder has a locking part that is removably locked to the fixture body, and a locking part that connects the fixture body and the locking part. In a lighting fixture provided with a removal operation part for releasing the engagement of the
The removal operation portion is formed approximately at the center of both side portions of the lamp holder that are fitted into the fitting recesses of the appliance main body, and is located on both sides of the removal operation portion to engage the locking portions, respectively. The device main body is characterized in that locked portions with which the locking portions are removably engaged are formed at positions on both sides of the center portion of both side surfaces of the fitting recess.

(Function) In the lighting fixture of the present invention, when the lamp holder holding the lamp is fitted into the fitting recess of the fixture body, the locking parts engage with the locked parts of the fixture body on both sides of the removal operation part. The lamp holder is securely held in the appliance body, the lamp holder is attached to the appliance body without wobbling, and the reflective surface of the appliance body and the lower surface of the lamp holder become the road surface.

When replacing the lamp, operate the removal operation part of the lamp strip holder fitted into this fitting recess through the operation recess formed at the center edge of the fitting recess formed on the reflective surface. The locking portion of the body is disengaged from the instrument body, and the lamp holder can be removed from the instrument body, and the lamp holder can be lowered and the lamp removed from the lamp holder.

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

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 cover 3 having a substantially spherical arc surface.The outer surface of the cover 3 has a white diffuse reflection surface or a silver diffuse reflection surface. It is formed on the reflective surface 4 such as. A diametrically elongated lamp holder fitting recess 5 is formed in the reflecting surface 4. A locking portion, for example, a locking hole 6, is formed on the left and right center portions of both side surfaces of the fitting recess 5, and a pull-out hole 6 is formed in the center of the inner bottom surface of the fitting recess 5 of the instrument main body 1. A switch fitting protrusion 7 is formed, and an insertion hole 10 for a pull string 9 of a pull switch 8 is formed in the lower surface of the fitting protrusion 7. Furthermore, 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 [ ].
1, 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, semicircular concave arc-shaped operation recesses 1 are provided at the outer edges of both sides of the central part of the lamp holder fitting recess 5 formed on the outer surface of the cover 3.
5 is formed.

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 side of the circuit board 16 at the approximate center, and a connector 18 is mounted on one side of the circuit board 16 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 10 of the fitting protrusion 7. The drawstring 9 is pulled out from the insertion hole 10, and a light emitting diode 19 connected to the circuit board 16 is placed in the night light installation portion 11, and the lower surface of the connector 18 is exposed to 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 for connecting 26 lamp bottles is provided, and a holding part 31 having a lamp socket 30 for connecting the lamp bottle of the base part 29 of the small-diameter lamp 23 is provided above one of the holding arms 24. 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. .

In addition, this lamp holder 21 has locking portions, for example, elastic locking pieces 34, which are removably locked in the locking holes 6 of the device main body 1 at the center of both sides. The portion 35 is formed with a cut groove 36, and when the lamp holder 21 is fitted into the fitting recess 5 of the device main body 1, the locking pieces 34 are engaged at both sides of the removal operation portion 35, that is, at four locations. The lamp holder 21 is elastically engaged with the locking hole 6 so that the lamp holder 21 can be attached to the instrument main body 1.
The removal operation section 35 faces the operation recess 15. Then, when the removal operation parts 35 are pressed from the separation operation recesses 15 of the instrument main body 1, each of the locking pieces 34 of the lamp holder 21 is released from each of the locking holes 6, and the lamp is removed. The holding body 21 can be removed from the fitting recess 5.

Further, an insertion hole 37 through which the pull switch fitting protrusion 7 is pushed is formed in the center of the lamp holder 21 on the upper and lower surfaces, and the night light installation portion 1 is located on one side of the insertion hole 37.
An insertion hole 38 through which the holder 1 is inserted is formed through the upper and lower surfaces. Further, on the other side of the upper surface of the lamp holder 21, a connector piece 40 that is connected to the connector 18 is provided protrudingly.
Guide pieces 41 are provided protruding from both sides of this connector piece 40. Then, with the 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 and the drawstring 9 is pulled out, and the night light casing 11 is transparent. The optical cover 12 is exposed to the insertion hole 38, and the connector piece 40 is connected to the guide piece 41 and the guide hole 14.
It is designed to be inserted and connected to the connector 18 by the engagement guide with the connector 18.

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 bottle of the cap part 26 of the large-diameter lamp 22 is inserted into the lamp socket 27 from road force and connected to the holding part 28 on the lower side of one holding arm 24 of the lamp holder 21 and held there. It is fitted and held in the lower holding part 32 from above, and the lamp pin of the base part 29 of the small-diameter lamp 23 is inserted into the lamp socket 30 from above and connected to the upper holding part 31 of one of the holding arms 24 and held. At the same time, the lamps 22 and 23 are held in the lamp holder 21 by being fitted and held from above into the holding part 33 on the upper side of the other holding arm 25. When the lamp holder 21 holding the lamps 22 and 23 is fitted into the fitting recess 5 of the instrument main body 1, the elastic locking pieces 34 on both sides of the lamp holder 21 are in the state shown in FIG. The lamp holder 21 is removably mechanically locked into locking holes 6 formed on both sides of the fitting recess 5 of the device main body 1 at the center thereof. It is fitted and held without rattling. At this time, the pull switch fitting protrusion 7 is pushed through the insertion hole 37 in the center of the lamp holder 21, and the night light installation part 11
is pushed through the insertion hole 38, the pull string 9 of the pull switch 8 is pulled out from the insertion hole 37, the transparent light bar 12 of the night light installation part 11 is exposed to the insertion hole 38, and 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, 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.

When replacing the lamps 22, 23, etc., press the removal operation pieces 35 on both sides of the lamp holder 210 from the operation recess 15, and as shown in FIG.
deform inward to release the lock from the locking hole 6,
The lamp holder 21 can be removed from the fitting recess 5 of the instrument body 1.

In this way, the lamp holder 21 can be separated from the appliance body 1 while the lamps 22, 23 are attached to the lamp holder 21. Then, this lamp holder 21 is attached to the lamp 22.2.
3 to a low position where it is easy to replace the lamps 22 and 23.

〔Effect of the invention〕

According to the present invention, the fitting recess into which the lamp holder is fitted is formed in the appliance body, and the lamp holder has a locking part that is removably locked to the appliance body, and a locking part that is detachably locked to the appliance body. In a lighting fixture that is provided with a removal operation part that releases the engagement with the lamp holder, the removal operation part is formed approximately in the center of both side parts of the lamp holder that are fitted into the fitting recesses of the fixture main body, and the removal operation part is The locking portions are provided on both sides of the operating portion, and the device body forms locked portions with which the locking portions are removably engaged at positions on both sides of the center of both sides of the fitting recess. Therefore, when the lamp holder is fitted into the fitting recess of the instrument body, the lamp holder is removed on both sides of the central part, and the locking parts are connected to the locked parts of the instrument body on both sides of the removal operation part. The lamp holder is locked and has a simple structure, and the lamp holder can be held securely and stably attached to the fixture body without wobbling. In addition, when removing the lamp holder from the appliance body for lamp replacement, by operating the removal operation section in the center of the appliance body, the locking parts on both sides are released from the locked parts of the appliance body, and the lamp holder is removed from the appliance body. The lamp holder, which was held by engaging with the locking part, can be easily removed from the fixture body.Furthermore, the lamp holder can be attached to and detached from the fixture body with the lamp attached, and the lamp holder can be attached to and removed from the fixture body with the lamp attached. The lamp can be carried to a low position where it can be easily replaced, making it easy 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. FIG. 9 is a bottom view showing a state in which the removal operation section is operated. 1. Apparatus main body, 5. Fitting recess, 6. Locking hole serving as a locked part, 21. Lamp holder, 22° 23. Annular lamp, 27. 30. Lamp socket, 34 ...Latching piece serving as a locking part, 35...Removal operation part.

Claims (1)

[Claims] (1) An appliance body, a lamp holder having a lamp socket electrically connected to the appliance body and mechanically detachably attached to the appliance body, and an annular lamp attached to the lamp holder. A fitting recess into which the lamp holder is fitted is formed in the fixture body, and the lamp holder includes a locking part that is removably locked to the fixture body, and a locking part that is detachably locked to the fixture body, and a fitting recess that fits the lamp holder into the fixture body. In a lighting fixture provided with a removal operation part for releasing the engagement with the locking part, the removal operation part is located at approximately the center of both side parts of the lamp holder that are fitted into the fitting recesses of the fixture main body. At the same time, the locking portions are provided on both sides of the removal operation portion, and the locking portions are removably engaged at positions on both sides of the center of both sides of the fitting recess. A lighting fixture characterized by forming a locked portion that fits together.