JPH11213740A - Installation structure of luminaire directly attached to ceiling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation structure capable of reliably preventing a luminaire from falling. SOLUTION: This installation structure comprises a connector 1 attached to the ceiling face 4 and having an electric power supply part 5 and a main body supporting part 6, a luminaire main body 2 having a member 7 to be supported by main body supporting parts 6 in a detachable manner and approximately closely attached to the ceiling face 4 in the outside of the connector 1, and an electric power source connecting apparatus 3 connected with the electric power supply part 5 to supply electric power to the luminaire main body 2. Further, a detachment preventing means 53 is installed to prevent the member 7 to be supported from being detached from the main body supporting parts 6 by connecting the electric power connecting apparatus 3 with the electric power supply part 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a ceiling-mounted lighting fixture.

[0002]

2. Description of the Related Art FIG. In other words, the mounting structure of the ceiling-mounted lighting fixture is such that a hook (not shown) of the adapter 102 is hooked on the hooking sealing body 101 attached to the ceiling surface 100, and the insertion hole 104 of the fixture main body 103 is inserted into the adapter 102. The instrument main body 103 is attached to the ceiling surface 100 by externally fitting the engagement concave portion 105 provided on the inner peripheral surface of the insertion hole 104 with the engaging portion 106 provided on the peripheral surface of the adapter 102. Power supply plug 107 connected to the appliance lighting block 109 of the adapter 10
2 is connected to the electric wire connection receiving portion 108 provided on the lower surface. The removal of the instrument main body 103 is performed by moving the operation knob 110 of the locking portion 106 so as to approach each other and retreating the locking portion 106. 111 is a straight tube fluorescent lamp.

Further, this conventional example is provided with a release preventing function for preventing the locking portion 106 from being moved by the operation of connecting the power supply plug 107 after the operation of attaching the device main body 103.

[0004]

However, the adapter 10
Since the locking portion 106 prevents the support of the device body 103 from being released between the device 2 and the device body 103, the device can be prevented from dropping. However, the hook of the adapter 102 and the ceiling surface 100
In some cases, the hook fitting is insufficiently connected to the hooking sealing body 101 due to the connection with the hooking sealing body 101 attached to the device.

Accordingly, an object of the present invention is to provide a mounting structure for a ceiling-mounted lighting fixture which can reliably prevent the fixture from falling.

[0006]

According to a first aspect of the present invention, there is provided a mounting structure for a lighting device directly mounted on a ceiling, wherein the connecting device is mounted on a ceiling surface and has a power supply portion and a main body support portion; An appliance body having a supported portion that is releasably supported by the unit and substantially close to the ceiling surface outside the connector, and a power supply connection device that is connected to the power supply unit and supplies power to the appliance body. And a release preventing means for preventing the supported portion from being released from the main body support portion by connecting the power supply device to the power supply portion.

According to the mounting structure for a lighting device with a ceiling mounted directly on the ceiling, the supported portion of the lighting device main body is supported by the main body supporting portion of the connector, and the power supply connection device is connected to the power supply portion.
The luminaire can be mounted without an adapter, which simplifies mounting work and improves workability. In addition, since the connector has a dedicated main body supporting portion for mechanically supporting the lighting equipment, the mounting becomes clear and reliable, and it is possible to prevent the fixture from dropping due to disconnection of the conventional hook. Also, since there is no conventional adapter in the lighting equipment, the cost of the equipment can be reduced.
Further, by eliminating the adapter, the height of the projection from the ceiling surface to the lighting fixture can be reduced, the fixture can be made thinner, and it can be easily applied to a straight tube multi-light fixture. In addition, since the power supply connection device is provided with a release prevention unit for preventing the supported portion from being released from the main body support portion by connecting the power supply device to the power supply portion, the connected power supply device allows the supported portion to be released. Since the device is locked in a state where it cannot be released, it is possible to reliably prevent the device from dropping, thereby improving the quality.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. That is, the mounting structure of the ceiling-mounted lighting fixture includes the connector 1, the fixture main body 2, the power supply connection device 3, and the release prevention means 53. The connector 1 is attached to a ceiling surface 4 and has a power supply unit 5 and a main body support unit 6.
Having. The main body support portion 6 is a movable engagement portion that is detachably engaged with a supported portion 7 described below, and connects the instrument main body 2 to the connector 1.
Is a movable engagement portion with an operation knob that elastically rides over and engages the supported portion 7 when pushed up toward the movable convex portion. Has become.

The connector 1 according to the embodiment has a structure in which, for example, a main body support is provided on a hooking sealing body.
As shown in FIG. 3, a pair of insertion hook holes 10 (see FIG. 1) are formed at the bottom of the bottomed tubular connector body 9, and a pair of quick connection holes are formed inside the insertion hook hole 10. A contact spring 11 with a locking spring 12 is provided, and the power supply unit 5 is constituted by these. Power line above the ceiling (not shown)
Is quickly connected to the locking spring 12. Reference numeral 20 denotes a release button. Further, a pair of insertion holes 14 is formed on the peripheral surface of the connector body 9 in a direction orthogonal to the direction in which the contact springs 12 are arranged, and the insertion holes 1 are formed.
An exposure hole 15 is formed on the bottom side near 4. The main body supporting portion 6 is composed of a movable engagement piece 17 with an operation knob 16 integrally formed. The movable engagement piece 17 is slidably inserted into the insertion hole 14 from the inside of the connector body 9 and protrudes to the outside. These are arranged in the connector body 9 so that the knobs 16 are exposed in the exposure holes 15. A spring 18 is provided on the rear end of the movable engagement piece 17 to urge the rear end of the movable engagement piece 17 in a direction in which the distal end projects outward from the connector body 9. Therefore, the distal end of the movable engagement piece 17 normally projects a predetermined amount from the peripheral surface of the connector body 9 by the force of the spring 18, and the movable knob 17 is retracted by moving the operation knob 16 against the spring 18. can do. Further, a taper 17a for guiding the supported portion 7 is formed below the distal end edge of the movable engagement piece 17. The upper end opening of the connector body 9 is covered with a terminal cover 35 and the tapping screw 2 is provided.
1 is fixed to the connector body 9.

The appliance main body 2 has a supported portion 7 supported by a main body supporting portion 6 of the connector 1 and a ceiling surface 4 outside the connector 1.
To be closely related to. In the embodiment, the supported portion 7 is directly supported by the main body supporting portion 6 and is formed by a locking portion that locks to the movable engaging piece 17 that is the main body supporting portion 6. More specifically, a concave step 23 is formed at an attachment position such as the center of the instrument body 2, a hole 36 is formed at the center of the concave step 23, and the connected part 7 is an edge of the hole 36. . The mounted state is a state in which the supported portion 7 which is the edge of the hole 36 of the instrument main body 2 is locked on the upper surface of the movable engagement piece 17, and the movable engagement piece 17 in the connector 1 from the ceiling surface 4. Depending on the setting of the height, the ceiling surface 4 is almost in close contact, that is, a gap is formed between the ceiling surface 4, the ceiling surface 4 is in contact with the ceiling surface 4, and the ceiling surface 4 is pressed.

The power supply connection device 3 is connected to the power supply unit 5 of the connector 1 and supplies power to the appliance body 2. In the embodiment, a hooking blade 37 is provided in the power supply unit 5 that is hooked and locked electrically and mechanically by insertion rotation through the hole 10. 38 is a lead wire. 41 is the connector body 9
Ceiling connection hole of the connector 1 formed in the terminal cover 3
5 is a notch for ceiling mounting formed in 5, 5 is a hole for a release button, 48 is a wire insertion hole for a wire to be quickly connected to the locking spring 12, and 49 is a hole for inserting the tapping screw 21.

The release prevention means 53 prevents the supported part 7 from being released from the main body support part 6 by connecting the power supply connection device 3 to the power supply part 5. The release prevention means 53 of the embodiment includes a projection 51 provided between a pair of hooking blades 37 of the power supply connection device 3 and a pair of movable engagement pieces 1 of the connector body 9.
7 and an insertion hole 50 formed at the center of the lower surface for inserting the projection 51. As shown in FIG.
Is inserted into the insertion hole 50 so that the projection 51 is located between the rear ends 17b of the movable engagement pieces 17. At this time, the interval between the rear end portions 17b is set such that the protrusion 51 can enter between the rear end portions 17b in a state where the movable engagement piece 17 is urged to the projecting position by the spring 18. 1
7 is prevented from retreating and locked.

The attachment and detachment of the instrument body 2 will be described. To attach the instrument body 2, the hole 36 of the instrument body 2 is fitted into the connector 1, the tapered portion 17 a of the movable engagement piece 17 is applied to the edge of the hole 36, which is the connected portion 7, and the instrument body 2 is attached to the ceiling surface 4. Push up towards. Hole 3 of instrument body 2 along taper 17a
When the hole 36 gets over the movable engagement piece 17, the movable engagement piece 17 is returned by the spring 18, and the movable engagement piece 17 The upper surface of the device 17 can support the edge of the hole 36 of the instrument body 2. Next, when the power supply connection device 3 is connected to the power supply unit 5, power can be supplied, and at the same time, the projection 51 passes through the insertion hole 50 and the rear end portion 17 b of the movable engagement portion 17 as shown in FIG.
And the retreat operation of the movable engagement portion 17 is hindered. For this reason, the operation knob 16 cannot be moved carelessly and is locked, and the fall of the instrument main body 2 is prevented.

To remove the instrument body 2, the power supply connection device 3 is removed from the power supply unit 5. As a result, the operation of the movable engagement portion 17 becomes possible, and the operation knob 16 can be moved. Then, the operating knob 16 is pinched and moved against the spring 18 so as to come close to each other, so that the hole 36 of the instrument main body 2 is pulled out below the connector 1. It is also possible to lock the movable engagement piece 17 to the edge of the hole 36 by operating the operation knob 16 when attaching the instrument body 2.

According to this embodiment, the lighting fixture is connected to the power supply unit 5 by supporting the supported part 7 of the fixture main body 2 to the main body support part 6 of the connector 1. Can be installed without any additional components, thus simplifying the installation work and improving workability. Further, since the connector has the dedicated main body support 6 for mechanically supporting the lighting equipment, the mounting becomes clear and reliable, and the equipment can be prevented from dropping due to disconnection of the conventional hook. Also, since there is no conventional adapter in the lighting equipment, the cost of the equipment can be reduced. Further, by eliminating the adapter, the height of the projection from the ceiling surface 4 to the lighting fixture can be reduced, the fixture can be made thinner, and it can be easily applied to a straight tube multiple lighting fixture. Release prevention means 53 for preventing the supported part 7 from being released from the main body support part 5 by connecting the power supply connection device 3 to the power supply part 5.
Is provided, by connecting the power supply connection device 3,
Since the supported portion 7 is locked in a state where it cannot be released, the fall of the device can be reliably prevented, and the quality is improved.

Further, when the movable engagement piece 17 is not connected halfway, the interval between the rear end portions 17b is smaller than the diameter of the projection 51.
1 hits the rear end portion 17b, the projection 51 cannot be inserted into the insertion hole 50, and the power supply connection device 3 cannot be connected. Therefore, it is possible to prevent the appliance from falling. Further, by providing the movable engagement piece 17 on the connector 1 side, the cost on the lighting fixture side can be reduced.

In the present invention, one of the main body supporting portion and the supported portion is an engaging portion, and the other is a movable engaging portion which is detachably engaged with the engaging portion. The locking portion may be provided on the main body supporting portion, and the movable engaging portion may be provided on the supported portion of the instrument main body 2.

[0018]

According to the first aspect of the present invention, the supported portion of the fixture body is supported by the main body support portion of the connector, and the power supply connection device is connected to the power supply portion. In addition, the lighting equipment can be mounted without an adapter, so that mounting work is simplified and workability is improved. In addition, since the connector has a dedicated main body supporting portion for mechanically supporting the lighting equipment, the mounting becomes clear and reliable, and it is possible to prevent the fixture from dropping due to disconnection of the conventional hook. Also, since there is no conventional adapter in the lighting equipment, the cost of the equipment can be reduced. Further, by eliminating the adapter, the height of the projection from the ceiling surface to the lighting fixture can be reduced, the fixture can be made thinner, and it can be easily applied to a straight tube multi-light fixture. In addition, since the power supply connection device is provided with a release prevention unit for preventing the supported portion from being released from the main body support portion by connecting the power supply device to the power supply portion, the connected power supply device allows the supported portion to be released. Since the device is locked in a state where it cannot be released, it is possible to reliably prevent the device from dropping, thereby improving the quality.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lighting fixture according to an embodiment of the present invention before being mounted.

FIG. 2 is an exploded perspective view of the connector.

FIG. 3 is a schematic cross-sectional view illustrating a state where a movable engagement piece is locked by a release prevention unit.

FIG. 4 is a perspective view of a conventional example before mounting.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector 2 Appliance main body 3 Power connection device 4 Ceiling surface 5 Power supply part 6 Main body support part 7 Supported part 16 Operation knob 17 Movable engagement piece 53 Release prevention means

Claims (1)

[Claims] 1. A connector having a power supply unit and a main body support unit attached to a ceiling surface, and a supported unit releasably supported by the main body support unit of the connection unit. An appliance body that is substantially in close contact with the ceiling surface on the outside, a power connection device that is connected to the power supply unit and supplies power to the appliance body, and the main body support unit by connecting the power connection device to the power supply unit And a release preventing means for preventing the supported portion from being released from the lighting device.