JPH0130733Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a lighting fixture that is directly mounted on the ceiling, and particularly to a lighting fixture that is directly mounted on the ceiling and has multiple straight tube fluorescent lamps.

PRIOR TECHNOLOGY Ceiling-mounted direct-tube fluorescent lamp multi-lamp lighting fixtures have lamp lighting means attached to the fixture body made of sheet metal, and the fixture body is directly attached to the ceiling with screws or the like. A typical structure is one in which the lamp lighting means is connected to indoor wiring in the ceiling. However, the main body of this lighting equipment has a lamp lighting means and is heavy, and the installation work such as lifting it up to the ceiling and fixing it to the ceiling with screws is dangerous and difficult.

Therefore, recently, a hanging ceiling body connected to the indoor wiring is fixed to the ceiling, and a simple mounting bracket for direct mounting of appliances is fixed with screws to the ceiling surrounding this hanging ceiling body, and the fixture is attached to the simple mounting bracket. After temporarily fixing the main body, tighten the screws, and fit the hooking ceiling cap at the end of the power cord extending from the lamp lighting means of the appliance body into the hooking ceiling body, so that the lamp lighting means can be connected to the indoor wiring in a one-touch manner. Ceiling-mounted lighting fixtures with a simple installation structure are increasingly being used in general households.

An example of a ceiling-mounted lighting fixture with this simple installation structure will be described with reference to FIGS. 7 to 9. The figure shows a lighting fixture for four straight tube fluorescent lamps that is directly attached to the ceiling.
is a flat rectangular simple mounting bracket having a round hole 4 exposing a hooking ceiling body 2 in the center, and both ends are directly fixed to the ceiling 1 with a plurality of wood screws 5, 5, . . . Reference numerals 6 and 6 indicate mounting screws that are screwed into, for example, two locations near both ends of the simple mounting bracket 3 from below. Reference numeral 7 denotes a fixture body for four straight tube fluorescent lamps, which is directly attached to the simple mounting bracket 3. 8 is a lamp lighting means such as a ballast attached to the lower surface of the instrument body 7; 9, 9... are four pairs of sockets for straight tube fluorescent lamps fixed at four locations each on both ends of the lower surface of the instrument body 7; 10, 10... are four straight tube fluorescent lamps attached to four pairs of sockets 9, 9..., and 11 is a translucent cover placed on the periphery of the instrument body 7.

The device body 7 is made of sheet metal, and has a circular opening 12 in the center of which the hanging ceiling body 2 is exposed, and is screwed into two places around the opening 12 that correspond to the mounting screws 6, 6, etc. of the simple mounting bracket 3. Washcloth-shaped attachment holes 13, 13 are formed. In addition, the instrument body 7
A power cord 14 extends from a part of the lamp lighting means 8, and a hook ceiling cap 15 that pairs with the hook ceiling body 2 is connected to the tip of the power cord 14.

This appliance body 7 is directly attached to the simple mounting bracket 3 fixed to the ceiling 1 in the following manner. First, lift the device main body 7 to the ceiling, and insert the heads 6 of the mounting screws 6 into the large diameter portions of the mounting holes 13, 13 of the device main body 7 into the lower surface of the simple mounting bracket 3 with a desired spacing. ', 6', turn the instrument body 7 a little to the side, and insert the mounting screws 6, 6' into the small diameter parts of the mounting holes 13, 13.
The head parts 6', 6' of 6 are locked, and the main body 7 of the instrument is temporarily fixed to the simple mounting bracket 3. Next, the instrument main body 7 is permanently fixed to the simple mounting fitting 3 by sequentially tightening each of the mounting screws 6, 6. Thereafter, the hook ceiling cap 15 is fitted onto the hook ceiling body 2 exposed through the opening 12 of the instrument body 7, and the straight tube fluorescent lamp 1 is inserted into each socket 9, 9... of the instrument body 7.
0, 10, etc., and finally, the cover 11 is fitted onto the instrument body 7.

Problems that the invention aims to solve In the above-mentioned ceiling-mounted lighting fixtures with a simple mounting structure, the heavy fixture body is temporarily fixed with screws to a simple mounting bracket that is fixed to the ceiling in advance.
Compared to the case where the fixture body is screwed directly to the ceiling, the installation work of the fixture body is easier and safer, but
However, the work of screwing the simple mounting bracket to the ceiling and the work of fixing the screws after temporarily fixing the fixture to the simple mounting bracket are troublesome, and there is a need for further improvements in mounting the fixture. Ta. Also,
There are many parts to easily attach the fixture to the ceiling, such as the simple mounting bracket, screws to fix the simple mounting bracket to the ceiling, and screws to secure the fixture to the fixture. There was a problem with the high cost.

Therefore, the purpose of the present invention is to provide a lighting fixture with a simple mounting structure that allows the main body of a direct-ceiling lighting fixture to be mounted to the ceiling in a one-touch manner without using special simple mounting brackets. be.

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention aims to attach the appliance body to the ceiling so that the hanging ceiling body fixed to the ceiling is exposed through the opening formed in the approximate center of the appliance body. In a direct-to-ceiling lighting fixture in which a hooking ceiling cap on the fixture body side is fitted into the hooking ceiling body, the fixture body has a portion around the opening protruding from the ceiling surface, and the hooking ceiling cap is attached to the hooking ceiling body. An extension part is provided that protrudes from the ceiling body, and the extension part presses the area around the opening that protrudes from the ceiling surface, so that the appliance main body is directly attached and supported on the ceiling.

Function The present invention is designed so that the fitting force between the hanging ceiling body fixed to the ceiling and the hanging ceiling cap on the fixture side is set to be large enough to suspend and support ceiling-hanging lighting fixtures, etc. Based on the technical content of hanging ceilings, the appliance body is pressed against the ceiling and supported by the protruding part of the hanging ceiling cap that is fitted into the hanging ceiling body fixed to the ceiling. Installation can be done in one touch.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 6.

In the embodiments shown in Figures 1 to 3, the present invention is applied to a lighting fixture for four straight tube fluorescent lamps that are directly attached to the ceiling. A fixed, for example, round hanging ceiling body; 10 is a fixture body directly attached to the ceiling 16; 19 is lamp lighting means attached to the bottom surface of the fixture body 18; 20, 20... are both sides of the bottom surface of the fixture body 18. 4 pairs of sockets fixed to, 21, 21
... are four straight tube fluorescent lamps attached to four pairs of sockets 20, 20, and 22 is a translucent cover placed on the periphery of the instrument body 18. Also, 23
Reference numeral 24 indicates a power cord extending from a part of the lamp lighting means 19, and a square sealing cap attached to the tip of the power cord 23. The hooking ceiling cap 24 has a pair of connection terminals 24 inside the rectangular cap body 24a, which is a resin molded product.
The lower parts of the connecting terminals 24b and 24b are housed and screwed together, and the upper parts of the connecting terminals 24b and 24b protrude in an L-shape from the upper surface of the cap body 24a, and this protruding part is inserted into the hook sealing body 17 and engaged. and are electrically and mechanically coupled. The fitting force of the hook ceiling cap 24 to the hook ceiling body 17 is set to a size that is sufficient to withstand and support the entire lighting device even if the load of the entire lighting device is applied to the hook ceiling cap 24.

The feature of the above embodiment is that the hook ceiling body 17 is inserted into the circular opening 18a formed in the approximate center of the appliance body 18, and the appliance body 18 is attached to the ceiling.
6, and protruding portions m, m protruding from the hooking ceiling body 17 are provided on both sides of the cap body 24a of the hooking ceiling cap 24, and the appliance body 18 is attached to the ceiling with these projecting portions m, m. 16
It is to press and support. Also, ceiling 16
When the instrument body 18 is pressed against the
There is a head difference between the lower surface of the hook ceiling body 17, and therefore, there is a protrusion height corresponding to the head difference in the peripheral part of the opening 18a of the instrument main body 18, in the part facing the above-mentioned overhang parts m, m. spacer 25,
25 is arranged, and the appliance main body 18 is pressed against the ceiling 16 by the projecting portions m, m of the hook ceiling cap 24 via the spacers 25, 25. Spacer 2
Reference numerals 5 and 25 are, for example, two bent metal plates welded to key points on the lower surface of the instrument body 18.

Attachment of the appliance body 18 to the ceiling 16 is performed in the following order. Cover 22 and straight tube fluorescent lamp 2
1, 21... are removed to the ceiling 16, exposing the hook ceiling body 17 from the opening 18a, and inserting the hook ceiling cap 24 into the hook ceiling body 17.
Turn it slightly to the side to engage it. At this time, the upper surfaces of the protruding parts m, m of the hanging ceiling cap 24 push up the spacers 25, 25, which are integrated with the appliance body 18, and press and support the appliance body 18 against the ceiling 16. Thereafter, the straight tube fluorescent lamp 2 is attached to the instrument body 18.
1, 21, . . . and covers 22 are attached in sequence.
Note that the appliance main body 18 is relatively large, and the ceiling 16 cannot be covered by only the projecting portions m and m of the hanging ceiling cap 24.
If the appliance body 18 cannot be stably supported by the ceiling 16, use the protruding parts m and m as means for temporarily fixing the appliance body 18 to the ceiling 16.
You can secure it with wood screws or the like.

The spacers 25, 25 disposed between the instrument body 18 and the protruding parts m, m of the hanging ceiling cap 24 in the above-mentioned embodiments are not limited to metal plates fixed to the instrument body 18; The metal plate may be inserted between the instrument body 18 and the hook sealing cap 24 when the hook sealing cap 24 is fitted onto the hook sealing body 17. Moreover, the spacers 25, 25 are the fourth
As shown, opening 18 in instrument body 18'
Two points around a' may be drawn downward.

Further, the present invention is not limited to the above-mentioned embodiments. For example, as shown in FIG. 5 and FIG.
26, and the instrument main body 1 is attached to the stepped portions 26, 26.
8 spacers 25', 25' are fitted, and the instrument body 1 is assembled.
8 may be pressed against the ceiling 16.

Furthermore, the present invention is not limited to a lighting fixture for multiple straight fluorescent lamps, but can be effectively applied to any lighting fixture that is directly attached to the ceiling and uses a hook ceiling.

Effects of the invention According to the present invention, the appliance body can be attached to the ceiling by a one-touch fitting operation of the ceiling ceiling cap on the appliance side to the ceiling ceiling ceiling body. performance is significantly improved. In addition, as a means of simplifying the installation of the fixture body to the ceiling, special simple mounting brackets that are directly attached to the ceiling are not used, so the number of parts to be attached to the fixture body can be reduced, and the cost of the lighting fixture can be reduced. Realized.

[Brief explanation of the drawing]

1 and 2 are a partially sectional front view and a partially omitted bottom view showing an embodiment of the lighting device according to the present invention, FIG. 3 is an enlarged exploded perspective view of the main parts of the lighting device shown in FIG. 1, and FIG. 5 and 5 are partial side sectional views for explaining two other embodiments of the lighting fixture according to the present invention, and FIG. 6 is a perspective view of the hanging ceiling cap in the lighting fixture of FIG. 5. 7 and 8 are a partially sectional front view and a partially omitted bottom view of a conventional lighting fixture, and FIG. 9 is an enlarged exploded perspective view of a main part of the lighting fixture shown in FIG. 16... Ceiling, 17... Hanging ceiling body, 18... Appliance body, 18a... Opening, 2
4, 24'...Hook ceiling cap, m, n
...Overhang.

Claims (1)

[Scope of utility model registration request] The appliance body is placed on the ceiling so that the hook ceiling body fixed to the ceiling is exposed through an opening formed in the approximate center of the appliance body, and the hook ceiling cap on the appliance body side is fitted into the hook ceiling body. In the ceiling-mounted lighting fixture, the fixture body has a portion around the opening protruding from the ceiling surface, and the hanging ceiling cap is provided with a protruding part that protrudes from the ceiling body, and this protruding part is attached to the ceiling. A lighting fixture characterized in that the fixture body is directly attached and supported to the ceiling by pressing the area around the opening that protrudes from the surface.