JP2596005Y2 - lighting equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device such as a chandelier mounted on a decorative ceiling.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 11, a plurality of arms 72 radially protrude from a fixture body 71 fixed to a decorative ceiling, and a lamp 73 is individually attached to each arm 72, as shown in FIG. Things. This mounting method
First, the knurled nut 74 screwed to the arm 72 is inserted into the daruma hole 75 of the lamp 73,
Is slid inward in the radial direction R, and the tip 72a of the arm 72 is inserted into a cap (not shown) provided at the center of the lamp 73, and then the knurled nut 74 is tightened. While mechanically connecting to the lamp 71, the main body side connector 76 pulled out from the arm 72 side is inserted into the lamp side connector 77 through the hole of the lamp 73 to electrically connect the lamp 73 and the appliance body 71. is there.

[0003]

However, in the above conventional example, the lamp 73 is slid from the outside in the radial direction R of the arm 72 to the inside.
A space for moving the lamp 73 is required outside in the radial direction R. However, when the distal end portion 72a of the arm 72 is close to the inner surface of the decorative ceiling, there is a disadvantage that the moving space cannot be sufficiently secured and the lamp 73 cannot be inserted into the arm 72. . In addition, the lamp 73
Can be inserted into the arm 72, the mechanical and electrical connection between the fixture body 71 and the lamp 73 is a separate and independent operation.
Alternatively, it takes time to connect the two connectors 76 and 77,
There were also drawbacks such as a long working time.

[0004] The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a lighting device and a lighting device main body even when there is no space outside in the radial direction of the lighting device. It is an object of the present invention to provide a lighting fixture capable of easily and surely making a mechanical and electrical connection.

[0005]

Means for Solving the Problems The invention according to claim 1 is:
An appliance body having an annular flange portion to which a plurality of lamps are attached; a body-side connector attached to the flange portion corresponding to each of the lamps; and a tangential direction of the flange portion provided on the body-side connector. T-shaped cross section
And Jo protrusions, and a receiving terminal portion which is electrically connected to the wiring portion of the instrument body formed continuously in the ridge, the lamp side are detachably connected to the main body side connector attached to said lamp A connector, a T-shaped groove provided in the lamp-side connector, which is removably fitted to a ridge of the main body-side connector along a tangential direction of the flange, and the groove connected to the groove; And a terminal portion which is electrically connected to the receiving terminal portion of the main body side connector in a state where the ridge portion and the projection portion are fitted to each other.

[0006] The invention according to claim 2 provides an apparatus main body having an annular flange portion to which a plurality of lamps are mounted, a main body side connector mounted on the flange portion corresponding to each of the lamps, and a main body side connector. An arc-shaped groove portion provided inwardly of the flange portion and depressed inward in the radial direction; a receiving terminal portion coupled to the groove portion and electrically connected to the wiring portion of the appliance body; A lamp-side connector detachably connected to the lamp-equipped connector, an arc-shaped ridge portion provided on the lamp-side connector, and rotatably operated with respect to the flange portion so as to be removably fitted into and removed from the groove of the main body-side connector; A terminal portion is provided which is coupled to the ridge portion and is electrically connected to the receiving terminal portion of the main body side connector in a state where the groove portion and the ridge portion are fitted.

The invention according to a third aspect of the present invention is directed to an appliance body having an annular flange portion to which a plurality of lamps are attached, a body-side connector attached to the flange portion corresponding to each of the lamps, and a main body-side connector. A fitting hole that is provided and opens below the flange portion, a groove formed on a side surface of the fitting hole, a receiving terminal portion coupled to the groove portion and electrically connected to the wiring portion of the appliance body, A lamp-side connector attached to the lamp and removably inserted into a fitting hole of the body-side connector, and a state in which the lamp-side connector is inserted into the fitting hole from below the flange provided on the lamp-side connector. A lock key that can be engaged with and disengaged from the groove portion, and is electrically connected to a receiving terminal portion of the main body side connector in a state where the lock key is engaged with the lock key and is engaged with the lock key. It is those having a terminal portion.

[0008]

According to the first aspect of the present invention, the main body side connector has a T-shaped cross section extending substantially parallel to the tangential direction of the flange portion.
-Shaped ridges and receiving terminals are provided.
And a T-shaped groove in which the protrusion portion is fitted telescopically along the tangential direction of the flange portion, the groove and the butt
Since the terminal part which is electrically connected to the receiving terminal part of the main body side connector is provided in a state where the strip part is fitted, when connecting both connectors, the lamp is slid in the tangential direction of the flange part. Just the groove of the lamp side connector
The protrusions of the body-side connector are fitted into the portions , and the terminals of the lamp-side connector are inserted into the receiving terminals of the body-side connector, so that both connectors are mechanically and electrically connected. Here, since the lamp is slid in the tangential direction of the flange, the moving space of the lamp is smaller in the radial direction of the flange than in the conventional case where the lamp is slid inward from the outside in the radial direction. Even when the interior surface of the decorative ceiling is close to the outside of the flange portion in the radial direction and has no dimensional allowance, the lamp can be easily mounted. In addition, the ridges and grooves
Since the cross-sectional shape of the connecting portion is formed in a T-shape, the ridge portion and the groove
The mating force with the connector is increased, and the mating performance between both connectors is improved.
And therefore the electrical connection of both connectors
Mechanical connection can be easily and reliably performed.

According to the second aspect of the present invention, the main body side connector is provided with an arc-shaped groove recessed inward in the radial direction of the flange portion and the receiving terminal portion. An arc-shaped ridge that is removably fitted into the groove by turning the lamp, and is electrically connected to the receiving terminal of the main body side connector when the ridge and the groove are fitted. And the terminal part to be provided,
When connecting the two connectors, simply rotating the lamp, the arc-shaped ridge of the lamp-side connector fits into the arc-shaped groove of the body-side connector, and the terminal of the lamp-side connector is The connector is inserted into the receiving terminal of the connector, and both connectors are mechanically and electrically connected. Here, since the connector on the main body side is in the shape of an arc depressed inward in the radial direction of the flange portion, the moving space of the lamp outside the radial direction of the flange portion can be made smaller, and the dimension of the connector outside the radial direction of the flange portion can be reduced. Even when there is almost no margin, it is possible to easily mount the lamp. In addition, since the groove of the body-side connector and the ridge of the lamp-side connector are each arc-shaped, the contact area between the connectors is increased, and sufficient strength against a vertical moment is obtained.

According to the third aspect of the present invention, the main body side connector is provided with a fitting hole, a groove and a receiving terminal which are opened downward, and the lamp side connector is provided with the fitting hole from below the flange portion. A lock key that can be disengaged from the groove when the lamp-side connector is inserted into the portion, and a terminal portion that is electrically connected to the receiving terminal portion of the body-side connector when the groove and the lock key are engaged. When connecting the two connectors, simply press up the lamp from below the flange and push the lamp-side connector into the fitting hole of the body-side connector, the lock key engages with the groove, In addition, the terminal is inserted into the receiving terminal, and both connectors are mechanically and electrically connected. Here, since the lamp is to be pushed up, the moving space of the lamp is not required to be radially outward of the flange portion but may be located below the flange portion. Even when there is no margin, the mounting of the lamp can be easily performed.

[0011]

(Embodiment 1) FIGS. 1 to 4 show a first embodiment of the present invention. The lighting fixture 1 used in the present embodiment is a chandelier installed on a decorative ceiling, and is equidistant from the fixture main body 2 having a cylindrical flange 3 shown in FIG. It consists of four lamps 4 that are detachably attached. 5 is a cover. As shown in FIG. 1, the appliance body 2 has a pair of daruma holes 9 formed on an upper surface 2a,
The knurled screws 8 attached to the mounting brackets 7 of the embedded rosettes 6 are individually inserted into the respective darma holes 9 to mechanically connect the instrument body 2 and the embedded rosette 6. Further, the hooking ceiling 10 pulled out from the instrument body 2 is inserted from below the locking hole 6a of the embedded rosette 6 and is turned in one direction to be locked, so that the tool body 2 and the external power source are connected. Are electrically connected.

The outer peripheral surface 3 of the flange portion 3 of the instrument main body 2
A box-shaped main body side connector 11 is attached to a through a substantially L-shaped angle 15 (FIG. 4). The main body side connectors 11 ″ are mounted on the outer peripheral surface 3a of the flange portion 3 at regular intervals, corresponding to the four lamps 4 (FIG. 2). The outer surface of the connector 11 has a flange 3
A ridge 12 having a T-shaped cross section is formed along a tangential direction A of the connector. A receiving terminal 13 electrically connected to the hooking ceiling 10 (FIG. 2) is provided on one end surface of the connector 11. Have been.

On the other hand, a socket 16,
A lamp support spring 17, an illumination lamp 18, a globe 19, and the like are mounted, and an L-shaped lamp-side connector 21 electrically connected to the socket 16 is mounted on the upper surface. The lamp-side connector 21 has a T-shaped groove 2 corresponding to the ridge 12 of the body-side connector 11 shown in FIG.
The terminal 21 corresponding to the receiving terminal 13 of the main body side connector 11 is formed on an end face 21 a of the connector 21.
3 are protruded.

When the lamp 4 is mounted on the flange 3, the fixture body 2 shown in FIG. 1 is previously mounted on a decorative ceiling via an embedded rosette 6. Then, the lamp 4 is slid in the tangential direction A of the flange 3, the lamp-side connector 21 is inserted into the body-side connector 11, and the ridge 12 is fitted into the groove 22. Here, the terminal portion 23 is inserted into the receiving terminal portion 13, and the connectors 11 and 12 are mechanically and electrically connected, and the mounting operation is completed. In this manner, the lamp 4 is connected to the tangential direction A of the flange 3.
Therefore, unlike the conventional case where the lamp is slid in the radial direction of the fixture main body, the moving space of the lamp 4 does not increase outward in the radial direction R of the flange 3. Thereby, even when the decorative ceiling is approaching radially outward of the flange portion 3, the lamp 4 is moved to the flange portion 3.
Ru can der be attached to. When the lamp 4 is to be removed, the connectors 11 and 12 can be detached simply by returning the lamp 4 to the tangential direction A. Therefore,
Can make the mounting of the lamp 4 and removed with one touch, and save time on a large width, it can improve the workability.

In this embodiment, the main body side connector 11
Since the cross-sectional shape of each of the ridge 12 and the groove 22 of the lamp-side connector 21 is formed in a T-shape, there is an advantage that the fitting performance is improved and the connection strength between the connectors 11 and 21 is improved. . Second Embodiment FIGS. 5 to 7 show a second embodiment of the present invention. In this embodiment, the surface 3a is provided on the flange 3 of the instrument body 2 shown in FIG.
The main body side connector 11 having an arc shape depressed inward in the radial direction R is attached to the inside thereof, and a T-shaped groove portion 22 is provided therein.
And a receiving terminal portion 13 (FIG. 6). The connector 11 is fixed to the instrument main body 2 via a substantially L-shaped angle 15 (FIG. 7). On the other hand, an arc-shaped lamp-side connector 21 is attached to the upper surface of the lamp 4 near one end thereof, and along the outer peripheral wall of the connector 21, the ridge 12 having the same curvature as the groove 22 and the receiving terminal 13 are formed. A corresponding terminal portion 23 (FIG. 6) is provided.

In connecting the two connectors 11 and 21, the lamp 4 is rotated about the central axis M with respect to the flange 3 with the ridge 12 and the groove 22 aligned. The protrusion 12 can be fitted into the groove 22, and the terminal 23 can be inserted into the terminal 13. Here, the moving space of the lamp 4 outside the radial direction R of the flange portion 3 is further reduced,
Even when there is little dimensional margin outside the flange portion 3 in the radial direction, the connection between the connectors 11 and 21 is easy. Further, the connectors 11 and 21 can be detached simply by returning the lamp 4 to the opposite side to the above-mentioned rotating operation direction, and the lamp 4 can be removed with one touch. In addition, since the ridge portion 12 and the groove portion 22 each have an arc shape, the contact area between the connectors 11 and 21 is increased, and sufficient strength of both connectors against a vertical moment applied to the lamp is obtained. Third Embodiment FIGS. 8 to 10 show a third embodiment of the present invention. In this embodiment, the main body side connector 11 is fixed to the lower surface 3b of the flange portion 3 shown in FIG. Inside the connector 11, a fitting hole 30 opened below the flange 3 shown in FIG. 9 is formed. A guide receiver 34 is pivotally supported by a pivot 35 on a rear wall 31 of the fitting hole 30, a key groove 36 extends in a lateral direction on a front wall 32, and a receiving terminal 13 is embedded in an upper wall 33. ing.
On the other hand, the lamp-side connector 21 includes an L-shaped guide 37 corresponding to the guide receiver 34, a lock key 38 inserted into the groove 39 so as to be able to move forward and backward, and a lock release button for releasing the locked state of the lock key 38. 41 and a terminal 23 inserted into the receiving terminal 13.

In connecting the two connectors 11 and 21, the lamp 4 is pushed up from below the flange 3 so that the guide 37 is inserted into the guide receiver 34 shown in FIG. The terminal 23 is pushed into the fitting hole 30 of the main body side connector 11. As a result, the guide receiver 34 is rotated by the guide 37, and the lamp-side connector 21 is sandwiched between the guide receiver 34 and the front wall 32, and the lock key 38 is turned into the key groove 36.
Engages. The lock key 38 is spring-biased in the advance direction B by a spring 40 shown in FIG. 10 to prevent the lamp-side connector 21 from coming off from the main-body-side connector 11. At the same time, the terminal portion 23 is inserted into the receiving terminal portion 13, so that the electrical connection between the connectors 11 and 21 is performed at the same time. Here, the moving space of the lamp 4 is below the flange 3, and it is not necessary to secure the space in the radial direction R of the flange 3. Therefore, even if there is no dimensional margin outside the flange portion 3 in the radial direction, the mounting of the lamp 4 can be easily performed. When the lock release button 41 is pressed in the direction of the arrow C in FIG. 10, the tapered surface 41a presses the base end portion 38a of the lock key 38 toward the spring 40, and the lock key 38 is displaced backward to move out of the key groove 36. The lock state between the lamp-side connector 21 and the main-body-side connector 11 can be released.

[0018]

According to the first aspect of the present invention, the connector on the main body side has a T-shaped cross section extending substantially parallel to the tangential direction of the flange portion.
The a receiving terminal unit protrusions provided of the lamp-side connector, and a T-shaped groove in which the protrusion portion is fitted telescopically along the tangential direction of the flange portion, the groove and the ridge The terminal is electrically connected to the receiving terminal of the main body side connector in a state in which the lamp is fitted to the main body side connector. The connector can be mechanically and electrically connected. As a result, unlike the conventional case in which the lamp is slid in the radial direction of the fixture body, the moving space of the lamp does not increase outward in the radial direction of the flange portion, and a dimensional margin is provided in the radial direction of the flange portion. Even when there is no lamp, the mounting of the lamp can be easily performed, the working time can be shortened, and the workability can be improved. In addition, the ridges and grooves
Since the cross-sectional shape was formed in each T-shape,
Shape enhances the mating force between the two connectors,
Performance can be improved and, as a result,
Easy and reliable electrical and mechanical connections
It can greatly improve workability.

According to a second aspect of the present invention, the main body side connector is provided with an arc-shaped groove recessed radially inward of the flange portion and the receiving terminal portion. An arc-shaped ridge that is removably fitted into the groove by operation, and a terminal that is electrically connected to the receiving terminal of the body-side connector when the ridge and the groove are fitted. The two connectors are mechanically and electrically connected only by rotating the lamp. Moreover, since the lamp is rotated, the moving space for the lamp can be minimized radially outward of the flange portion, and even when there is little dimensional margin radially inward of the flange portion. The mounting of the lamp can be performed easily. In addition, since the groove of the body-side connector and the ridge of the lamp-side connector are each arc-shaped, the contact area between the connectors is increased, and the strength against the vertical moment is obtained. The reliability of electrical and electrical connections is increased.

According to a third aspect of the present invention, the connector on the main body side is provided with a fitting hole, a groove, and a receiving terminal which are opened downward, and the connector on the lamp side is inserted into the fitting hole on the lamp side connector. A lamp which is provided with a lock key which can be disengaged from the groove in the state and a terminal electrically connected to a receiving terminal of the main body side connector in a state where the groove and the lock key are engaged. By simply pushing up from below the flange, both connectors are mechanically and electrically connected. Moreover, since the moving space of the lamp is not required to be radially outward of the flange portion but only below the flange portion, even if there is no dimensional allowance radially outward of the flange portion, the lamp can be moved. Installation can be performed easily.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lighting device used in a first embodiment of the present invention.

FIG. 2 is a perspective view of the lighting fixture of FIG. 1 after assembly.

FIG. 3 is a perspective view of a lamp-side connector and a main-body-side connector of FIG. 1;

FIG. 4 is a sectional view of the vicinity of a mounting portion of the main body side connector of FIG. 1;

FIG. 5 is an exploded perspective view of a lighting device used in the second embodiment of the present invention.

6 is a perspective view of a lamp-side connector and a main-body-side connector of FIG. 5;

FIG. 7 is a sectional view of the vicinity of a mounting portion of the main body side connector of FIG. 5;

FIG. 8 is an exploded perspective view of a lighting device used in the third embodiment of the present invention.

FIG. 9 is a sectional view of the lamp-side connector and the main-body-side connector of FIG. 8;

FIG. 10 is a sectional view of the lamp-side connector of FIG. 8;

FIG. 11 is an exploded perspective view of a lighting device used in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lighting fixture 2 Fixture main body 3 Flange part 4 Lighting equipment 11 Main body side connector 12 Ridge part 13 Receiving terminal part 21 Lighting side connector 22 Groove part 23 Terminal part

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-5-159617 (JP, A) JP-A-2-98402 (JP, U) JP-A-2-143706 (JP, U) JP-A-2-162 12107 (JP, U) JP-A 48-78674 (JP, U) JP-B 1-56484 (JP, B2) JP-B 55-32341 (JP, Y2) JP-B 58-13539 (JP, Y2) (58) Field surveyed (Int. Cl. ⁶ , DB name) F21S 1/00-5/00 F21V 21/00-21/38

Claims (3)

(57) [Scope of request for utility model registration] 1. An annular flange on which a plurality of lamps are mounted.
Appliance body with a section, and a franc
Connector on the main unit and the connector
Extending substantially parallel to the tangential direction of the flange
BitterT-shaped ridgeAnd thisRidgeCoupled with the above
A receiving terminal part electrically connected to the wiring part of the appliance body,
Attached to the above lamps and detachably connected to the main unit side connector
Lamp-side connector and the lamp-side connector
Along the tangential direction of the flange
RidgeCan be freely inserted and removedT-shaped groove
And thisGrooveAnd the groove and the ridge are fitted
In this state, it is electrically connected to the receiving terminal of the connector on the main unit.
A lighting device, comprising: a terminal portion; 2. An appliance body having an annular flange portion to which a plurality of lamps are attached, a body-side connector attached to the flange portion corresponding to each of the lamps, and a diameter of the flange portion provided on the body-side connector. An arc-shaped groove portion depressed inward in the direction, a receiving terminal portion coupled to the groove portion and electrically connected to the wiring portion of the appliance main body, and detachably connected to the main body side connector attached to the lamp. A lamp-side connector, an arc-shaped ridge provided on the lamp-side connector, which is removably fitted into a groove of the body-side connector by rotating the lamp with respect to the flange, and connected to the ridge. A lighting device comprising: a terminal portion formed and electrically connected to a receiving terminal portion of the main body side connector in a state where the groove portion and the ridge portion are fitted. 3. An appliance body having an annular flange portion to which a plurality of lamps are attached, a body-side connector attached to the flange portion corresponding to each of the lamps, and a lower portion of the flange provided on the body-side connector. A fitting hole opening into the fitting hole; a groove formed on a side surface of the fitting hole; a receiving terminal coupled to the groove and electrically connected to a wiring part of the appliance body; A lamp-side connector detachably inserted into the fitting hole of the main body-side connector from below the flange portion, and the lamp-side connector provided in the lamp-side connector is engaged with and disengaged from the groove with the lamp-side connector inserted into the fitting hole. A lock key, and a terminal portion coupled to the lock key and electrically connected to a receiving terminal portion of the main body side connector in a state where the groove and the lock key are engaged. Lighting equipment characterized by the above-mentioned.