JP5288627B2 - lighting equipment - Google Patents

Description

  The present invention relates to a direct-mounted lighting fixture that is directly attached to a ceiling surface of a house or the like by connecting and fixing an adapter to a hooking ceiling body.

  As an example of a conventional lighting fixture, there is one in which a connector connected to the tip of a lead wire is attached to an adapter (see, for example, Patent Document 1).

JP 2008-47360 A (FIG. 1, paragraph number 0021)

However, in the conventional lighting fixture disclosed in Patent Document 1, the lead wire drawn out from the connector is drawn out downward in the same axial and reverse direction as the insertion direction of the connector.
Therefore, in the lighting apparatus of Patent Document 1, when the lead wire is pulled out in the direction orthogonal to the insertion direction of the connector, even if the lead wire is bent in a direction perpendicular to the lead-out portion of the connector, at least the diameter of the lead wire is Protruding from the connector body was a factor that hindered thinning.

On the other hand, there has also been proposed a lighting fixture in which the lead wire is drawn out in a direction perpendicular to the insertion direction of the connector and the lead wire is regulated by the connector cover. Tension is transmitted directly to the connector cover.
Therefore, in such a lighting fixture, it is necessary to firmly fix the connector cover, which may cause an increase in the size of the connector. In addition, in such luminaires, the gap in the connector cover affects insulation, even though it is necessary to secure a sufficient insulation distance, which is defined as the generic term of the insulation gap and creepage distance of electrical equipment. Therefore, a certain thickness is required and there is a limit in miniaturization.

  The present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide a lighting apparatus that can be reduced in size and reduced in thickness by a simple structure.

  A luminaire according to the present invention is a luminaire having a connector connected to a power supply side wiring component and supplying power to a load side, and the connector is made of an insulator and formed in an L shape. A connector body, wherein the connector body has a power supply side insertion portion formed with a contact terminal housing groove for housing the contact terminal, and a lead wire for housing a part of the lead wire connected to the contact terminal. A lead wire lead-out portion having a storage groove and a lead-out port for pulling out the lead wire is connected to an L-shape, and the connector body has the power-side insertion portion inserted into the power-side wiring component When the contact terminal is electrically connected to the wiring component on the power supply side, the lead wire lead-out portion is disposed substantially in contact with the surface of the wiring component on the power supply side.

In the present invention, the power supply side insertion portion of the connector is inserted into the wiring component on the power supply side, whereby the lead wire is drawn out from the lead wire lead-out portion in the lateral direction, and the lead wire lead-out portion is connected to the power supply side wiring. Since the surface is substantially in contact with the surface of the component, the amount of protrusion of the connector from the wiring component on the power supply side is reduced.
Therefore, in the present invention, the connector can be miniaturized by using a simple structure, and the overall thickness can be reduced by reducing the amount of protrusion of the connector from the wiring component on the power source side.

  The lighting fixture according to the present invention is an adapter in which, in the lighting fixture, the power supply-side wiring component is mechanically and electrically connected and held by being connected and fixed to the hooking sealing body.

  In the present invention, by adopting a structure in which the power supply side insertion portion of the connector is inserted into the adapter, a sufficient insulation distance can be secured and the connector can be downsized.

According to the lighting apparatus of the present invention, when the power supply side insertion portion of the connector is inserted into the wiring component on the power supply side, the lead wire is drawn out from the outlet of the lead wire extraction portion, and the lead wire extraction portion is Since the power supply side wiring component is substantially in contact with the surface, the amount of protrusion of the connector from the power supply side wiring component is reduced.
Thereby, according to the lighting fixture of the present invention, it is possible to reduce the size of the connector by adopting a simple structure, and to reduce the overall projection by reducing the amount of protrusion from the wiring component on the power source side of the connector. Have.

The vertical sectional view before the connector mounting of the lighting fixture of one embodiment concerning the present invention 1 is a vertical sectional view of the lighting fixture of FIG. FIG. 1 is a partially broken external perspective view seen from obliquely below before assembling a lead wire, explaining the assembly procedure of the connector of FIG. FIG. 1 is a perspective view of an external appearance of the connector shown in FIG. Front view of the connector of FIG. Sectional drawing around the connector of the lighting fixture of FIG.

Hereinafter, the lighting fixture which concerns on one Embodiment of this invention is demonstrated with reference to drawings.
As shown in FIGS. 1 and 2, a lighting fixture 10 according to an embodiment of the present invention includes a fixture main body 11, a mounting holder 12 assembled to the fixture main body 11, and a power source fitted in the mounting holder 12. Adapter 13 which is a wiring component on the side, and a connector 15 to which a pair of lead wires 14 are connected and inserted and connected to the adapter 13, and an annular fluorescent light not shown on the instrument body 11 below the connector 15. The lamp is held, and a cover (not shown) is attached to the instrument main body 11, and the adapter 13 is directly attached to the ceiling surface 1 by being hooked to the hooking ceiling body 2 installed on the ceiling surface 1.

  The instrument body 11 is formed in a disc shape using, for example, a thin steel plate material. A holder mounting hole 16 for mounting the mounting holder 12 is formed in the central portion of the instrument body 11. The appliance main body 11 has a plurality of lamp holding parts (not shown) attached to the lower surface of the outer edge thereof, and the fluorescent lamp is held via these lamp holding parts. The mounting holder 12 is formed in an oval appearance using, for example, a hard resin material, has an annular portion 17 in the center, and is fitted in the holder mounting hole 16 of the instrument body 11. The mounting holder 12 has a locking projection receiver 18 for locking the adapter on the inner periphery of the annular portion 17.

  The adapter 13 has an outer diameter dimension that is fitted into the annular portion 17 of the mounting holder 12, and accommodates a pair of adapter terminals 19 therein. The adapter terminal 19 has, at one end thereof, a bent end 20 that is hooked to a pair of power supply terminals (not shown) housed in the hooking sealing body 2 and is electrically connected to the power supply terminals. The adapter terminal 19 has a connector connection end (not shown) disposed in the connector insertion hole 21 formed on the lower surface of the adapter 13 at the other end. After the adapter 13 is rotated, the locking projection 22 formed on the outer peripheral portion of the adapter 13 is locked to the locking projection 18 of the mounting holder 12 to be attached to the mounting holder 12. 19 has a function of mechanically and electrically connecting and holding the instrument body 11 to the ceiling surface 1 by being hooked to the power supply terminal of the hooking sealing body 2.

  As shown in FIG. 3, the connector 15 has a connector main body 23 formed in an L shape using a hard resin material having an insulating property, and a pair of contact terminals 24 is accommodated in the connector main body 23. The power supply side insertion portion 26 having the pair of contact terminal storage grooves 25 and the ends of the pair of lead wires 14 connected to the pair of contact terminals 24 in communication with the pair of contact terminal storage grooves 25 are stored. A lead wire lead-out portion 29 having a pair of lead wire storing grooves 27 for the purpose and a pair of lead outlets 28 for pulling out the pair of lead wires 14 is connected in an L shape.

  The contact terminal 24 integrally includes a power supply side connection portion 30 and a lead wire caulking portion 31. The power supply side connection portion 30 is electrically connected to the exposed core wire 33 from which the coating 32 of the lead wire 14 is removed, and the connector 15 is inserted into the connector insertion hole 21 of the adapter 13 so that the adapter 13 is electrically connected to the connector connection end of the adapter terminal 19. The power supply side connection portion 30 has a pair of lances 34 protruding from both sides thereof. The lead wire caulking portion 31 holds the lead wire 14 by being caulked to the covering 32 of the lead wire 14.

  In the power supply side insertion portion 26, external dimensions of the power supply side connection portion 30 of the contact terminal 24 and the lead wire caulking portion 31 are smaller than the width dimension of the contact terminal storage groove 25 on the side portion of the contact terminal storage groove 25. A slit-like contact terminal housing groove side retaining portion 35 having a width dimension slightly smaller than the outer diameter dimension of the lead wire 14 is formed. The contact terminal storage groove 25 is formed with a lance locking portion 36 for locking the lance 34 of the power supply side connection portion 30 and has a tapered portion 37 at the entrance portion. The side of the lead wire lead-out portion 29 communicates with the contact terminal storage groove side retaining portion 35 and is smaller than the width of the lead wire storage groove 27 and slightly smaller than the outer diameter of the lead wire 14. A slit-like lead wire storage groove side retaining portion 38 having a dimension is formed. The lead wire housing groove 27 has a bottom surface 39 for positioning the contact terminal 24 by the lead wire crimping portion 31 of the contact terminal 24 coming into contact with the bottom surface.

Next, the assembly procedure of the connector 15 will be described.
A contact terminal 24 in which the lead wire 14 is caulked by the lead wire caulking portion 31 and the core wire 33 of the lead wire 14 is electrically connected to the power source side connecting portion 30 by a joining means such as soldering. Is disposed above the power supply side insertion portion 26 of the connector body 23 with the lead wire 14 oriented in the horizontal direction.

  Next, while pressing and inserting the lead wire 14 vertically into the contact terminal storage groove side retaining portion 35, the contact terminal 24 is inserted into the contact terminal storage groove 25 in the order of the lead wire crimping portion 31 and the power supply side connection portion 30. Go. At this time, the lead wire 14 is smoothly guided to the contact terminal housing groove side retaining portion 35 by the taper portion 37 of the contact terminal housing groove side retaining portion 35, and the contact terminal housing groove side retaining portion 35 has an outer diameter of the lead wire 14. It is not damaged because it has a width dimension slightly smaller than the dimension.

  Subsequently, the lead wire 14 is pressed and inserted from the contact terminal housing groove side retaining portion 35 into the lead wire housing groove side retaining portion 38. At this time, since the lead wire housing groove side retaining portion 38 has a width dimension slightly smaller than the outer diameter dimension of the lead wire 14, the lead wire 14 is not damaged.

  As shown in FIGS. 4 and 5, the lead wire 14 is housed in the lead wire housing groove 27 in the lead wire lead-out portion 29 by being pressed and inserted into the lead wire housing groove side retaining portion 38, so that the lead outlet 28. Pulled out horizontally. The contact terminal 24 inserted into the contact terminal housing groove 25 is positioned by the lead wire caulking portion 31 coming into contact with the bottom surface 39 of the lead wire housing groove 27, and at the same time, the lance 34 of the power supply side connection portion 30. By being locked by the lance locking portion 36, the contact terminal receiving groove 25 is prevented from coming off and assembled. Accordingly, the contact terminal 24 inserted into the contact terminal storage groove 25 is held in the contact terminal storage groove 25 by the contact terminal storage groove side retaining portion 35, and the lead wire 14 inserted into the lead wire storage groove 27 is connected to the lead wire. It is held in the lead wire storage groove 27 by the storage groove side retaining portion 38.

  As shown in FIG. 6, when the connector 15 is inserted into the connector insertion hole 21 of the adapter 13, the power supply side connection portion 30 of the contact terminal 24 is electrically connected to the connector connection end portion of the adapter terminal 19. Thus, commercial power is supplied to the contact terminal 24 through the power supply terminal in the hooking sealing body 2. At this time, in the connector 15 in which the power supply side insertion portion 26 is inserted into the connector insertion hole 21 of the adapter 13, the lead wire lead-out portion 29 is disposed substantially in contact with the lower surface of the adapter 13, whereby the lead wire 14 is connected to the adapter 13. It is pulled out in the horizontal direction along the lower surface. The lead wire 14 is electrically connected to a ballast (not shown) attached to the instrument body 11. The ballast is electrically connected to a lamp socket (not shown) through appliance wiring (not shown). Here, since the lead wire receiving groove 27 of the lead wire lead-out portion 29 is open to the adapter 13 side and is substantially closed by the adapter 13, there is no risk of electric shock. Further, since the connector main body 23 has an integral structure, even if a tensile load directed downward in FIG. 6 is applied to the lead wire 14, the connector main body 23 may be damaged by sufficiently withstanding the load. Nor.

In the lighting fixture 10 according to the embodiment of the present invention, the power supply side insertion portion 26 of the connector 15 is inserted into the adapter 13, whereby the lead wire 14 is pulled out from the outlet 28 of the lead wire extraction portion 29 in the horizontal direction. Since the lead wire lead-out portion 29 is disposed substantially in contact with the lower surface of the adapter 13, the protruding amount of the connector 15 from the adapter 13 is reduced.
Therefore, in the lighting fixture 10 of one embodiment of the present invention, the connector 15 can be reduced in size by a simple structure, and the thickness can be reduced by reducing the amount of protrusion of the connector 15 from the adapter 13.

  In the luminaire 10 according to the embodiment of the present invention, the connector 15 can be miniaturized by securing a sufficient insulation distance by adopting a structure in which the power supply side insertion portion 26 of the connector 15 is inserted into the adapter 13.

  In addition, the instrument main body 11, the attachment holder 12, the adapter 13, etc. which were used in each said embodiment are not limited to what was illustrated, and can be changed suitably.

2 Hook ceiling body 10 Lighting fixture 13 Adapter (Wiring component on the power supply side)
14 Lead wire 15 Connector 23 Connector body 24 Contact terminal 25 Contact terminal storage groove 26 Power supply side insertion portion 27 Lead wire storage groove 28 Lead outlet 29 Lead wire lead-out portion

Claims (2)

A lighting fixture having a connector connected to a power supply side wiring component to supply power to a load side,
The connector has a connector main body made of an insulator and formed in an L shape, and the connector main body includes a power supply side insertion portion in which a contact terminal storage groove for storing a contact terminal is formed, and the contact terminal A lead wire lead-out portion having a lead wire housing groove for containing a part of the lead wire connected to the lead wire and having a lead-out port for drawing out the lead wire, and is connected to the L-shape. When the power supply side insertion portion is inserted into the power supply side wiring component and the contact terminal is electrically connected to the power supply side wiring component, the lead wire lead-out portion is connected to the power supply side wiring component. A luminaire that is substantially in contact with the surface.   The lighting apparatus according to claim 1, wherein the power supply side wiring component is an adapter that is connected and fixed to the hooking sealing body to be mechanically and electrically connected and held.

Images