JPH0583914U - lighting equipment - Google Patents

Abstract

(57) [Abstract] [Purpose] Even when there is no space radially outside the lighting fixture, mechanical and electrical connection between the lighting fixture and the fixture main body can be easily and reliably performed. [Structure] The main body side connector 11 includes a groove portion 22 extending substantially parallel to the tangential direction A of the flange portion 3 and a receiving terminal portion 13. When the lamp 4 is slid in the tangential direction A, the ridge 12 of the lamp-side connector 21 fits into the groove 22,
The terminal portion 23 is inserted into the receiving terminal portion 13. This allows
Even if there is no dimensional margin outside the flange portion 3 in the radial direction R, both connectors 11 and 21 can be mechanically and electrically connected.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lighting device such as a chandelier attached to a decorative ceiling.

[0002]

[Prior Art]

 Conventionally, in this type of lighting fixture, as shown in FIG. 11, a plurality of arms 72 radially protrude from a fixture main body 71 fixed to a decorative ceiling, and a lamp 73 is individually attached to each arm 72. This mounting method is performed by first sliding the lamp 73 inward in the radial direction R while inserting the knurled nut 74 screwed to the arm 72 into the dharma hole 75 of the lamp 73. The tip portion 72a of the arm 72 is inserted into a cap (not shown) provided on the above, and then the knurled nut 74 is tightened to mechanically connect the lamp 73 to the fixture body 71, while the body is pulled out from the arm 72 side. The side connector 76 is inserted into the lamp-side connector 77 through the hole of the lamp 73 to electrically connect the lamp 73 and the fixture body 71.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional example, since the lamp 73 is slid inward from the outer side in the radial direction R of the arm 72, there is a space for moving the lamp 73 outward in the radial direction R of the arm 72. is necessary. However, when the tip portion 72a of the arm 72 is close to the inner surface of the decorative ceiling, there is a drawback that the moving space cannot be sufficiently secured and the lamp 73 cannot be inserted into the arm 72. .. Moreover, even if the lamp 73 can be inserted into the arm 72, the mechanical and electrical connection between the main body 71 of the lamp and the lamp 73 is a separate and independent operation, and particularly, the knurled nut 74 is tightened or both of them are connected. There is also a drawback that it takes a lot of time to connect the connectors 76 and 77, and it takes a long time for the work.

The present invention has been made in view of the above-described conventional problems, and an object thereof is to provide a lighting device and a lighting device body even when there is no space radially outward of the lighting device. It is to provide a luminaire that can easily and reliably make a mechanical and electrical connection with.

[0005]

[Means for Solving the Problems]

 According to a first aspect of the present invention, there is provided a fixture main body having an annular flange portion to which a plurality of lamps are attached, a main body side connector attached to the flange portion corresponding to each of the lamps, and a main body side connector provided with the main body side connector. A groove extending substantially parallel to the tangential direction of the flange, a receiving terminal connected to the groove and electrically connected to the wiring part of the fixture body, and attached to the lamp and detachable from the connector on the body side Connector on the lamp side, a ridge provided on the connector on the lamp side and fitted in the groove of the connector on the body side along the tangential direction of the flange so as to be freely inserted and removed, and the ridge connected to the ridge. And a terminal portion electrically connected to the receiving terminal portion of the main body side connector in a state where the groove portion and the protruding portion are fitted to each other.

According to a second aspect of the present invention, a fixture main body having an annular flange portion to which a plurality of lamps are attached, a main body side connector attached to the flange portion corresponding to each of the lamps, and a main body side connector are provided. An arcuate groove formed inwardly in the radial direction of the flange portion, a receiving terminal portion connected to the groove portion and electrically connected to the wiring portion of the fixture body, and a main body side attached to the lamp. A lamp-side connector that is detachably connected to the connector, and an arc-shaped protrusion that is provided on the lamp-side connector and is removably fitted into the groove of the body-side connector by rotating the lamp with respect to the flange. And a terminal portion that is connected to the ridge portion and that 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 to each other.

According to a third aspect of the present invention, there is provided a fixture main body having an annular flange portion to which a plurality of lamps are attached, a main body side connector attached to the flange portion corresponding to each of the lamps, and a main body side connector. A fitting hole portion provided below the flange portion, a groove portion formed on a side surface of the fitting hole portion, and a receiving terminal portion connected to the groove portion and electrically connected to the wiring portion of the instrument body, A lamp fitting side connector attached to the lamp fitting and removably inserted into the fitting hole portion of the main body side connector, and a lamp fitting side connector provided on the lamp fitting side connector from below the flange portion into the fitting hole portion. The lock key that can be engaged with and disengaged from the groove in the above state, and the lock terminal connected to the lock key and the groove and the lock key are engaged with each other electrically And a terminal portion connected to.

[0008]

[Action]

 According to the invention of claim 1, the main body side connector is provided with the groove portion and the receiving terminal portion extending substantially parallel to the tangential direction of the flange portion, and the lamp side connector is provided along the tangential direction of the flange portion. Provide a ridge that is removably fitted in the groove, and a terminal that is electrically connected to the receiving terminal of the main body side connector when the ridge and the groove are fitted together. Therefore, when connecting both connectors, simply slide the lamp in the tangential direction of the flange, and the ridge of the lamp-side connector will fit into the groove of the body-side connector, and The terminal section is inserted into the receiving terminal section of the main unit side connector, and both connectors are in a mechanically and electrically connected state. Here, since the above lamp is operated to slide in the tangential direction of the flange part, the moving space of the lamp is smaller than the case where the conventional lamp is slid inward from the outside in the radial direction. Even if the inner surface of the decorative ceiling is close to the outside of the flange in the radial direction and there is no dimensional margin, the lamp can be easily installed. ..

According to the second aspect of the invention, the main body side connector is provided with an arcuate groove recessed radially inward of the flange portion and the receiving terminal portion, and the lamp side connector is provided with respect to the flange portion. An arcuate ridge that is inserted into and removed from the groove by turning the lamp, and is electrically connected to the receiving terminal of the connector on the main body side with the ridge and the groove fitted. Since the connector is provided with a connector, the arc-shaped projection of the lamp-side connector fits into the arc-shaped groove of the body-side connector simply by rotating the lamp when connecting both connectors. In addition, the terminal part of the lamp side connector is inserted into the receiving terminal part of the main body side connector, and both connectors are mechanically and electrically connected. Since the connector on the main body side has an arc shape that is recessed inward in the radial direction of the flange, the space for moving the lamp outward in the radial direction of the flange can be made smaller, and the dimension outward in the radial direction of the flange can be reduced. Even if there is almost no margin, the lamp can be easily attached. Moreover, since the groove of the main body side connector and the ridge of the lamp side connector are each arcuate, the contact area between the connectors is large, and sufficient strength against the vertical moment can be obtained.

According to the third aspect of the present invention, the main body side connector is provided with the fitting hole section, the groove section and the receiving terminal section which are opened downward, and the lamp fitting side connector is fitted with the fitting hole from below the flange section. A lock key that can be engaged with and disengaged from the groove when the lamp-side connector is inserted into the connector, and a terminal that is electrically connected to the receiving terminal of the connector when the groove and the lock key are engaged. When connecting both connectors, simply push the lamp up from below the flange and push the lamp side connector into the fitting hole of the body side connector to engage the lock key with the groove. And, the terminal part is inserted into the receiving terminal part, and both connectors are in a state of being mechanically and electrically connected. Here, since the lamp is operated to be pushed up, the moving space of the lamp does not have to be in the radial direction of the flange, but may be below the flange. Even if there is no room, you can easily install the lamp.

[0011]

【Example】

 (Embodiment 1) FIGS. 1 to 4 show a first embodiment of the present invention. The lighting fixture 1 used in this embodiment is a chandelier installed on a decorative ceiling, and the fixture main body 2 having a cylindrical flange portion 3 shown in FIG. 2 and the flange portion 3 are equally spaced in the circumferential direction. It is composed of four lamps 4 which are detachably attached. 5 is a cover. As shown in FIG. 1, the appliance body 2 has a pair of dulmer holes 9 formed in the upper surface 2a thereof, and the knurled screws 8 attached to the fittings 7 of the embedded rosette 6 are individually inserted into the daruma holes 9 respectively. The device main body 2 and the embedded rosette 6 are mechanically connected by being inserted. Further, the hook ceiling 10 pulled out from the instrument body 2 is inserted from below the engaging hole portion 6a of the embedded rosette 6 and pivoted in one direction to engage the instrument body 2 with an external power source. Are electrically connected.

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

On the other hand, a socket 16, a lamp support spring 17, a lighting lamp 18, a globe 19 and the like are mounted on the lower surface of the lamp 4, and an L-shaped electrically connected to the socket 16 is mounted on the upper surface. The lamp side connector 21 is attached. A groove portion 22 having a T-shaped cross section corresponding to the protruding portion 12 of the main body side connector 11 shown in FIG. 3 is formed in the lamp side connector 21, and an end face 21a of the connector 21 has a receiving portion for the main body side connector 11. A terminal portion 23 corresponding to the contact terminal portion 13 is provided in a protruding manner.

Before attaching the lamp 4 to the flange portion 3, the fixture body 2 shown in FIG. 1 is attached to the decorative ceiling via the embedded rosette 6 in advance. 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. At this point, the terminal portion 23 is inserted into the receiving terminal portion 13, the two connectors 11 and 12 are mechanically and electrically connected, and the mounting operation is completed. In this way, since the lamp 4 is slid in the tangential direction A of the flange portion 3, unlike the conventional case where the lamp is slid in the radial direction of the fixture body, the movement space of the lamp 4 is larger than the diameter of the flange portion 3. Does not grow outward in direction R. Accordingly, even when the decorative ceiling is approaching radially outward of the flange portion 3, the lamp 4 can be attached to the flange portion 3. When the lamp 4 is removed, the connectors 11 and 12 can be disengaged simply by returning the lamp 4 in the tangential direction A. Therefore, the light fixture 4 can be attached and detached with one touch, and the work time can be shortened to a large place and the workability can be improved.

In addition, in this embodiment, since the cross-sectional shape of each of the protruding portion 12 of the main body side connector 11 and the groove portion 22 of the lamp side connector 21 is formed in a T shape, the fitting performance is improved and both There is also an advantage that the connection strength of the connectors 11 and 21 is improved. Second Embodiment FIGS. 5 to 7 show a second embodiment of the present invention. In this embodiment, an arc-shaped main body side connector 11 recessed from the surface 3a inward in the radial direction R is attached to the flange portion 3 of the main body 2 of the apparatus shown in FIG. The groove portion 22 and the receiving terminal portion 13 (FIG. 6) are provided, and the connector 11 is fixed to the instrument main body 2 through a substantially L-shaped angle 15 (FIG. 7). On the other hand, on the upper surface of the lamp 4, an arc-shaped lamp-side connector 21 is attached 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 portion. And a terminal portion 23 (FIG. 6) corresponding to No. 13 is provided.

When connecting both the connectors 11 and 21, by rotating the lamp 4 around the central axis M with respect to the flange 3 with the protrusion 12 and the groove 22 aligned with each other. The protrusion 12 can be fitted in the groove 22, and the terminal 23 can be inserted into the terminal 13. Here, even if the movement space of the lamp 4 outside the flange portion 3 in the radial direction R 2 is further reduced and there is almost no dimensional allowance outside the flange portion 3 in the radial direction, both connectors are connected. Connection of 11 and 21 is easy. Further, the connectors 11 and 21 can be detached by simply returning the lamp 4 to the opposite side to the rotating operation direction, and the lamp 4 can be removed with one touch. Further, since the protrusion 12 and the groove 22 are arcuate, the contact area between the connectors 11 and 21 is large, and sufficient strength of both connectors can be obtained against the vertical moment applied to the lamp. .. (Embodiment 3) 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, there is formed a fitting hole portion 30 that opens below the flange portion 3 shown in FIG. A guide receiver 34 is pivotally supported by a pivot 35 on a rear wall 31 of the fitting hole portion 30, a key groove 36 extends laterally on a front wall 32, and a receiving terminal portion 13 is embedded on an upper wall 33. Has been done. 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 for releasing the lock state of the lock key 38. The button 41 and the terminal portion 23 inserted into the receiving terminal portion 13 are provided.

To connect the above connectors 11 and 21, the lamp 4 is pushed up from the lower side of the flange portion 3 and the guide 37 is inserted into the guide receiver 34 shown in FIG. The terminal portion 23 side is pushed into the fitting hole portion 30 of the main body side connector 11. As a result, the guide receiver 34 is rotated by the guide 37, the lamp-side connector 21 is sandwiched between the guide receiver 34 and the front wall 32, and the lock key 38 engages with the key groove 36. .. The lock key 38 is spring-biased in the advancing direction B by the spring 40 shown in FIG. 10 to prevent the lamp-side connector 21 from coming off the main body-side connector 11. At the same time, since the terminal portion 23 is inserted into the receiving terminal portion 13, both connectors 11, 21 are electrically connected at the same time. Here, the space for moving the lamp 4 is below the flange portion 3, and it is not necessary to secure the space in the radial direction R of the flange portion 3. Therefore, even if there is no dimensional margin radially outward of the flange portion 3, the lamp fixture 4 can be easily attached. When the lock release button 41 is pressed in the direction of arrow C in FIG. 10, the taper surface 41a pushes the base end portion 38a of the lock key 38 toward the spring 40 side, and the lock key 38 is displaced backward to move the key groove 36. Then, the locked state between the lamp side connector 21 and the main body side connector 11 can be released.

[0018]

According to the invention of claim 1, the main body side connector is provided with the groove portion and the receiving terminal portion which extend substantially parallel to the tangential direction of the flange portion, and the lamp body side connector is provided along the tangential direction of the flange portion. And a terminal portion that is electrically connected to the receiving terminal portion of the main body side connector in a state where the protruding portion and the groove portion are fitted with each other. Thus, by simply sliding the lamp in the tangential direction of the flange, both connectors can be brought into a mechanically and electrically connected state. As a result, unlike the conventional case where the lamp is slid in the radial direction of the fixture body, the movement space of the lamp does not increase outward in the radial direction of the flange portion, and is dimensional outward in the radial direction of the flange portion. Even if there is not enough room, it is possible to easily attach the lamp, reduce the work time, and improve workability.

According to a second aspect of the present invention, the main body side connector is provided with an arcuate groove recessed inward in the radial direction of the flange portion and the receiving terminal portion, and the lamp side connector is provided with a lamp fitting for rotating the lamp fitting with respect to the flange portion. An arcuate ridge that is inserted into and removed from the groove by a dynamic operation, and is electrically connected to the receiving terminal of the connector on the main body side with the ridge and the groove fitted together. The connector is provided, and both connectors are mechanically and electrically connected by simply rotating the lamp. Moreover, since the lamp is rotated, the moving space of the lamp can be minimized outward in the radial direction of the flange, and even if there is almost no dimensional margin inward in the radial direction of the flange. The lighting fixture can be easily attached. Moreover, since the groove portion of the main body side connector and the ridge portion of the lamp side connector are each arcuate, the contact area between the connectors is increased, and the strength against the vertical moment is obtained, and the strength of both connectors is increased. The reliability of mechanical and electrical connections is increased.

According to a third aspect of the present invention, the main body side connector is provided with a fitting hole portion, a groove portion and a receiving terminal portion opened downward, and the lamp side connector is inserted into the fitting side hole portion of the lamp side connector. And a lock key that can be engaged with and disengaged from the groove portion in a locked state, and a terminal portion that is electrically connected to the receiving terminal portion of the main body side connector when the groove portion and the lock key are engaged. By simply pushing up the lamp from below the flange, both connectors are mechanically and electrically connected. Moreover, since the moving space of the lamp does not have to be in the radial direction of the flange portion but below the flange portion, even if there is no dimensional allowance outside the flange portion in the radial direction, Can be easily installed.

[Brief description of 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 body-side connector of FIG.

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

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

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

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

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

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

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

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

[Explanation of symbols]

 1 Lighting Fixture 2 Fixture Main Body 3 Flange 4 Lamp 11 Body Connector 12 Projection 13 Receiving Terminal 21 Lamp Connector 22 Groove 23 Terminal

Claims (3)

[Scope of utility model registration request] 1. A fixture main body having an annular flange portion to which a plurality of lamps are attached, a main body side connector attached to the flange portion corresponding to each of the lamps, and a flange portion provided on the main body side connector. A groove portion extending substantially parallel to the tangential direction, a receiving terminal portion connected to the groove portion and electrically connected to the wiring portion of the fixture body, and a detachable connection to a body side connector attached to the lamp. A lamp-side connector, a ridge provided on the lamp-side connector and removably fitted in a groove of a body-side connector along a tangential direction of the flange, and a groove formed continuously with the ridge. A luminaire, comprising: a terminal portion that is electrically connected to a receiving terminal portion of a main body side connector in a state where the protruding portion is fitted. 2. A fixture main body having an annular flange portion to which a plurality of lamps are attached, a main body side connector attached to the flange portion corresponding to each of the lamps, and a diameter of the flange portion provided in the main body side connector. Arc-shaped groove recessed inward in the direction, a receiving terminal portion connected to the groove and electrically connected to the wiring portion of the fixture body, and attached to the lamp and detachably connected to the body-side connector A lamp-side connector, an arc-shaped protrusion provided on the lamp-side connector and removably fitted into the groove of the body-side connector by rotating the lamp with respect to the flange, and the arc-shaped protrusion connected to the protrusion. A lighting device, comprising: a terminal portion that is formed and is electrically connected to a receiving terminal portion of a main body side connector in a state where the groove portion and the protruding portion are fitted to each other. 3. A fixture main body having an annular flange portion to which a plurality of lamps are attached, a main body side connector attached to the flange portion corresponding to each of the lamps, and a lower portion of the flange portion provided on the main body side connector. A fitting hole portion that is open to the side, a groove portion formed on a side surface of the fitting hole portion, a receiving terminal portion that is connected to the groove portion and is electrically connected to the wiring portion of the fixture body, and is attached to the lamp. A lamp fitting side connector which is removably inserted into the fitting hole of the main body side connector from below the flange portion, and a fitting side connector which is provided in the lamp fitting side connector and is inserted into the fitting hole portion and is fitted into the groove. A lockable key, and a terminal portion connected to the lock key and electrically connected to the receiving terminal portion of the main body side connector in a state where the groove portion and the lock key are engaged with each other. Lighting equipment characterized by the above.