JPS63174202A - Ceiling recessed type fluorescent lamp fixture - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a ceiling-embedded fluorescent lamp fixture using a U-shaped fluorescent lamp as a light source.

[Conventional technology]

A long wire U-shaped fluorescent lamp is a light source that has recently begun to be put into practical use because it is small and highly efficient.

As shown in FIG. 9, such a U-shaped fluorescent lamp 1 is cantilevered by the lamp socket 2 by connecting the base 1a provided at one end to the lamp socket 2. , is placed horizontally inside the ceiling-embedded appliance main body 3. The appliance main body 3 is inserted into the opening B of the ceiling plate A and is supported by a hanging bolt C in the ceiling. By the way, in such a device, in order to reduce the shadow of the lamp socket 2 as much as possible, the socket 2 is attached to one side wall 3a of the device main body 3 by penetrating therethrough.

A side wall 3 is provided on the outside of the side wall 3a of the instrument main body 3.
A cover 4 was fixed to protect the lamp socket 2 and the lead wires connected thereto.

Since the cover 4 protrudes outward from the side wall 3a,
When attaching the appliance body 3 to the ceiling, the protruding cover 4 becomes an obstacle when attaching the appliance to the ceiling plate A and inserting the appliance through the opening B. Conventionally, in order to attach the appliance body 3 to the ceiling, the cover 4 is first fixed by tilting the appliance body 3 as shown in FIG. The side wall 3a is inserted into the opening B for mounting the instrument, and the side wall 3a is brought into contact with the edge at the end for mounting the instrument. Next, the other side wall 3b side of the device body 3 is pushed up in the direction of arrow E in the figure so that the device body 3 rotates around this contact point, and the fixing hole formed in the ceiling of the device body 3 is opened. 3C through the lower end of the hanging bolt C. Finally, a nut G (see FIG. 9) is screwed onto the lower end of the hanging bolt C to attach the appliance body 3 to the ceiling.

[Problem that the invention seeks to solve]

Conventionally, the above-mentioned installation requires a procedure,
Attaching the device not only requires twice the effort to insert it into mouth B (inserting it diagonally and then pushing it up by rotating it), but also requires
When the hanging bolt C is rotated and pushed up, it is necessary to pass the hanging bolt C through the fixing hole 3C, which makes it difficult to align the bolt, and therefore, it is troublesome to attach it to the ceiling.

In addition, some conventional ceiling-embedded downlights have sockets that can be inserted and removed from the side wall of the fixture body, but downlight fixture bodies are small and narrow inside, and the fixture body is fixed to the ceiling. When taking the socket part out from the side wall, there is a problem in that the socket part easily gets caught on the edge of the through hole formed in the side wall, making the work difficult.

[Means for solving problems]

The present invention is intended to solve the above-mentioned problems. A hanging bolt in the ceiling is inserted into a fixing hole provided on the upper surface, and a U
A ceiling-embedded fluorescent lamp in which a character-shaped fluorescent lamp is placed horizontally, and a lamp socket supporting the lamp in a cantilevered manner and a cover covering the socket protrude beyond the side wall of the device body. Applies to instruments. Further, the present invention provides an oblique guide inside the side wall that gradually descends from the inside of the device body toward the outside. Further, the cover is provided with an oblique sliding portion for attaching the lamp socket and sliding along the guide, so that the cover can be taken in and out from the side wall along the guide. Further, the cover is fixed to the guide by means of a removable fastener which is operable from inside the instrument body.

[Effect]

When installing the appliance body by recessing it into the ceiling, the cover can be stored inside the appliance body and its state can be maintained by tightening the means, thereby making it easier to install the appliance on the ceiling board. This prevents the cover from getting in the way when inserting the instrument body.

When installing the appliance on the ceiling board, push it straight up into the mouth and insert it without tilting the appliance body. Such insertion facilitates positioning of the fixing hole of the instrument body and the hanging bolt. Then, the hanging bolt and the fixture body are connected and the fixture body is attached to the ceiling. After this, loosen the above tightening means,
Slide the sliding part of the cover along the guide,
The cover projects outward from the side wall of the device body. In this case, the cover slides out easily using its own weight, which is the weight of the cover itself, the lamp socket, etc., and the guidance of the diagonal guide. Note that, as a trigger for the cover to slide out, the operator may apply an auxiliary outward pushing force to the cover. The cover protruding from the side wall of the instrument body as described above is
The above-mentioned tightening is fixed by tightening means.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to FIGS. 1 to 8.

FIG. 6 is an overall view of a ceiling-embedded fluorescent lamp fixture, and as shown in the figure, this fixture includes, for example, a roughly square fixture body 11 with an opening at the bottom, and a body 11 that is placed horizontally inside the body 11. At least one (three in this embodiment) U-shaped fluorescent lamps 12 and a v1 light body located below the lamps 12 and provided at the bottom of the instrument body 11 as necessary. 13, and lighting parts (not shown) such as a ballast and a starter attached to the inner surface of the appliance body 11, etc. In the case of this embodiment, the light control body 13 uses a louver made up of a plurality of vertical and horizontal light control plates 13a and 13b arranged in a lattice shape, and 13c in FIG.
A cosmetic screw for fixing 3 to the instrument body 11 is shown.

The instrument main body 11 has a pair of front and rear side walls 14a.

14b is formed by connecting walls 15 and 16 to the left and right sides of the main body part 14, which are integrally bent. As shown in FIG. 7 and FIG. 14c is provided with a plurality of fixing holes 17 through which hanging bolts C in the ceiling are inserted.

Further, the inner surface of the instrument body 11 is a reflective surface.

As shown in FIGS. 2 and 3, the U-shaped fluorescent lamp 12 is elongated and has a cap 12a at one end. This lamp 12 is cantilevered by a lamp socket 18 into which the base portion 12a is inserted and removed, and
The tip of the lamp 12 is located at the upper surface portion 1 of the main body portion 14.
4c is detachably engaged with the lamp holder 19 (see Fig. 6) attached to the inner surface, and the instrument main body 1 is placed horizontally as described above.
It is located within 1.

As shown in FIGS. 1 to 5, an oblique guide 20 is provided inside the side wall 15 and gradually descends from the inside of the instrument body 11 toward the outside. In this embodiment, the guide 20 is connected to the instrument body 1.
It is made of a sheet metal separate from the main body part 1, and the upper edge 20a is connected to the main body part 1.
It is fixed to the inner surface of the end portion of the side wall 15 of 4 with screws 21 or the like, and elongated holes 22 are formed in both the front and rear ends thereof.

A cover 23 made of sheet metal that covers the lamp socket 18 is slidably attached to the guide 20. The cover 23 has an oblique sliding portion 24 that slides along the guide 20. This cover 23 is tightened by means of tightening screws 2 which are screwed through the long holes 22 into dovetail holes 25 provided at both front and rear ends of the cover 23.
6, it is fixed to the guide 20. Tightening screw 2
Reference numeral 6 is made of decorative screws, and the operation thereof is performed from the inside of the instrument body 11, and the cover 2
3 can be freely taken in and out through a through hole 15a formed in the side wall 15 by sliding along the guide 20.

A lamp socket 18 is attached to the inside of the cover 23, and at least a portion of this socket 18 is also attached to the cover 2.
3, it is projected outward from the side wall 15.

In this embodiment, the lamp socket 18 is attached to the cover 23 in the following manner. In other words,
A socket support plate 27 is fixed to the inner edge 23a of the cover 23 with screws 28, and the insertion convex portion 18a of the lamp socket 18 is loosely inserted into the socket insertion hole 27a provided in the support plate 27, and the above-mentioned support A stopper fitting 29 disposed on the rear side of the plate 27 is connected to the lamp socket 18 with a screw 30. The stopper fitting 29 is for preventing the lamp socket 18 from coming off from the socket support plate 27, and has a recessed notch 29a in which the insertion projection 18a can freely move in the vertical direction. Therefore, the lamp socket 18 is tilted by its own weight so that the lamp insertion surface 18b faces downward as shown in FIGS. 1 and 2, thereby facilitating the work of attaching and detaching the lamp 12. There is. Of course, the present invention is not limited to this, and it goes without saying that the present invention can be implemented by making the lamp socket 18 non-tiltable and fixing it directly or indirectly to the cover 23.

In the packaging of the ceiling-mounted fluorescent lamp device having the above configuration, the cover 23 to which the lamp socket 18 is attached is stored inside the device body 11, and the stored state is maintained by tightening the tightening screw 26. It is. Therefore, when using the lamp socket 1
Although the lamp socket 18 is provided with a cover 23 that covers the lamp socket 18 that protrudes from the side wall 15 of the appliance body 11 in order to reduce the shadow of the lamp 8, this prevents the packaging from increasing in size and reduces the packaging cost. can.

The following procedure is used to embed and attach the fixture main body 11 of the ceiling-embedded fluorescent lamp fixture having the above configuration into the ceiling.

First, in the unwrapped state, the cover 23 is kept in the stored state inside the instrument main body 11 by tightening the tightening screws 26, so the instrument main body 11 as it is is not tilted as shown in FIG. To install the fixture on the ceiling board A, push it straight up into the opening B and insert it, as well as insert the fixture body 1.
The hanging bolt C is inserted into the fixing hole 17 of No. 1. and,
A nut G is screwed onto the tip of this bolt C to connect the hanging bolt C and the appliance body 11, thereby attaching the appliance body 11 to the ceiling. After this, tighten the tightening screw 26 into the instrument body 1.
1 from the inside, and while sliding the slide portion 24 of the cover 23 along the guide 20, remove the cover 23 and a part of the lamp socket 18 attached to it from the through hole 15a of the side wall 15 of the appliance body 11. make it stick out. In this case, the sliding operation of the cover 23 is easily performed by utilizing its own weight, which is the weight of the cover 23 itself, the lamp socket 18, the socket support plate 27, etc., and the guidance of the oblique guide 20.

Note that, as a trigger for the sliding movement of the cover 23, the operator may apply an auxiliary outward pushing force to the cover 23. Finally, the side wall 1 of the instrument body 11
The cover 23 protruding from 5 is fixed by tightening a tightening screw 26 operated inside the instrument body 11.

Note that the installation of the fixture body 11 to the ceiling, which is carried out as described above, will later involve the installation of the U-shaped fluorescent lamp 12 to the lamp socket 18 and the engagement of this lamp 12 with the lamp holder 19. Of course, after performing this, the light control body 13 is attached to the instrument body 11.

In addition, in the above embodiment, in order to enhance the automatic sliding effect of the cover with the lamp socket attached, the cover and the socket support plate were provided over multiple lamp sockets to make the sliding part heavier. In the case of implementation, a separate cover may be provided for each socket. Furthermore, a long hole is provided in the sliding part of the cover, and a tightening screw that passes through this long hole is provided protruding from a support plate provided on the back surface of the guide, and a nut is screwed into the screw protruding from the surface of this guide. A means may be used to clamp the slide portion between the guide and the support plate by tightening the nut. Moreover, the guide may be provided integrally by cutting up or bulging a part of the main body part or side wall of the instrument body.

In carrying out the present invention, unless it is contrary to the gist of the invention, specific details such as the device main body and its side walls, guides, covers and sliding portions thereof, lamp sockets, U-shaped fluorescent lamps, tightening means, etc. It goes without saying that the structure, shape, position, material, etc. of the present invention are not limited to those of the above-mentioned embodiments, and can be configured and implemented in various ways.

〔Effect of the invention〕

According to the present invention, the gist of which is the structure described in the above claims, by storing the cover, the appliance can be attached to the ceiling plate without tilting the appliance body with respect to the mouth, and the fixing hole of the appliance body and the inside of the ceiling can be inserted. Not only is it easy to position the cover with the hanging bolt, but also the cover and the lamp socket attached to it can be easily slid out along the guide using their own weight after the fixture is fixed to the ceiling. This allows the cover and the lamp socket to easily protrude outside the side wall of the appliance body, thereby improving the workability of attaching the appliance body to the ceiling.

[Brief explanation of the drawing]

1 to 8 show an embodiment of the present invention, FIG. 1 is a sectional view of the main part showing the cover in the retracted state, and FIG. 2 is the main part showing the cover in the protruded state. 3 is a sectional view of the same essential parts showing the lamp support state, FIG. 4 is a perspective view showing the assembled state of the cover with the lamp socket attached and the guide, and FIG. 5 is the same as shown in FIG. 4. FIG. 6 is an overall perspective view, and FIGS. 7 and 8 are schematic cross-sectional views for explaining the procedure for attaching the instrument body to the ceiling. 9 and 10 show a conventional example, with FIG. 9 being a sectional view and FIG. 10 being a schematic sectional view for explaining attachment to a ceiling. 11... Appliance body, 12... U-shaped fluorescent lamp,
15... Side wall, 17... Fixing hole, 18... Lamp socket, 20... Guide, 23... Cover, 24
...Sliding part, 26... Tightening means (Ml attachment screw), C... Hanging bolt. Applicant's agent Patent attorney Takehiko Suzue Figure 1 C'lS3 Figure] 8 Figure 4 C and Figure 6

Claims (1)

[Claims] A hanging bolt in the ceiling is inserted into a fixing hole provided in the upper surface, and a U-shaped fluorescent lamp is disposed horizontally within a device body with an opening at the bottom supported by the bolt. In a ceiling-embedded fluorescent lamp fixture in which a lamp socket supporting the lamp in a cantilever manner and a cover covering the socket protrude beyond the side wall of the fixture body, the fixture body is placed inside the side wall. A diagonal guide that gradually descends from the inside toward the outside is provided, and the cover is provided with a diagonal sliding portion that attaches the lamp socket and slides along the guide, and the cover is attached to the guide. A ceiling-embedded fluorescent lamp, characterized in that the cover is provided so as to be removable from the side wall along the guide, and the cover is fixed to the guide by a fastening means that can be tightened or loosened so as to be operable from inside the device main body. utensils.