JPH0329845Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) This invention relates to a lighting fixture with a pull switch that flickers the lamp by operating the pull switch with a pull string.

(Prior Art) In this type of lighting equipment, when a pull string for operating a pull switch is disposed directly below the lamp, the structure shown in Fig. 6 is generally adopted (No. 55-15621). ). That is, a is the chassis of the lighting equipment, b is the pull switch, c is the lamp, a U-shaped pulling frame d is provided in the chassis a, and the middle of this U-shaped pulling frame d is connected to the pull switch b and is suspended. ing. Both ends of the U-shaped pulling frame d protrude below the chassis a, and both ends of a U-shaped pulling frame e, which is provided so as to straddle the lamp c, can be attached to and detached from the ends of these ends via rings f, f, respectively. is connected to. A drawstring g is attached to the middle part of the lower end of the U-shaped drawer frame e, and by pulling the drawstring g, the pull switch b is interlocked and the lamp c can be made to flicker.

By the way, the reason why the U-shaped drawing frame d and the U-shaped drawing frame e are connected is to enable attachment and detachment when replacing the lamp c. In other words, lamp c
When attaching and removing the
By removing the lamp from the U-shaped pull frame d, the lamp c
can be attached and detached.

(Problem that the invention aims to solve) However, with this structure in which the U-shaped draw frame is detachably connected to the U-shaped draw frame, the number of parts increases, which is disadvantageous in terms of cost. This increases the number of work steps during product assembly and reduces production efficiency.Also, when pulling down the pull cord to operate the pull switch, the U-shaped pull frame not only swings and becomes difficult to operate, but also causes the pull frame to There was a drawback that the lamp could be damaged or destroyed by contact with the lamp. This invention is aimed at solving these problems.

[Structure of the invention] (Means for solving the problem) In order to solve the above-mentioned problems, this invention forms an annular drawing frame, and operates a pull switch at the middle part of the upper end of this drawing frame. It is removably connected to a string, the lower end of the frame is projected downward through a slide hole formed in the reflector, and the lamp is exposed inside the frame at this protruding portion.

(Function) When the pull frame 24 is pulled down, the pull switch 23
are interlocked via the operating string 23a, whereby the lamps 4 are turned on or off. At this time, the pulling frame 24 is lowered while being guided by the slide hole 27, so that the pulling frame 24 does not swing or shake, and therefore the pulling frame 24 can be pulled down smoothly, and the pulling frame 24 can be lowered smoothly. By avoiding contact between the lamp 24 and the lamp 4, damage or breakage thereof can be prevented.

On the other hand, when attaching or detaching the lamp 4, the pulling frame 24 is pulled down significantly to remove the lamp 4 from the lower part of the reflector plate 3. Further, when attaching the lamp 4, the lamp 4 is made to face inside the sliding frame 24, and the lamp 4 is attached to the reflector plate 3 in this state.

(Embodiment) An embodiment of this invention will be described below with reference to FIGS. 1 to 5.

In the figure, reference numeral 1 indicates a chassis suspended from the ceiling of the room via a power cord 2. A reflector plate 3 is provided on the lower surface of the chassis 1, and a U-shaped fluorescent lamp, for example, is provided below the reflector plate 3. Three lamps 4... are supported in parallel. And these lamps 4...
A shade 5 is placed around the periphery of the chassis 1 so as to cover the outer periphery of the chassis 1.
is installed.

Regarding the support structure of lamp 4...
As shown in the figure and FIG. 5, a U-shaped support 6 is attached to the lower surface of the reflector 3, and this support 6 has a notch 7 and a curved piece 8 on both side walls, and a support hole 9 on the back side. They each have Also, lamp 4
A cap 10 is attached to one end of the cap 10, and a plurality of connection pins 11 protrude from the end surface of the cap 10. Reference numeral 12 denotes a U-shaped holder, which has fitting recesses 13 on the edges of both side walls and a fitting hole 14 on the back side, and further has an elastic holding piece extending horizontally from the middle part of the upper edge. 15 extends, and a V-shaped presser portion 16 is formed at the tip of this presser piece 15. Reference numeral 17 denotes a socket, which has a tapered surface 18 that slopes toward one end and a tapered surface 19 that slopes toward the other end.
0 is derived.

To describe the procedure for supporting the lamp 4, first, one tapered surface 18 of the socket 17 is inserted into the fitting hole 14 of the holder 12, and in this state, the holder 1 is inserted.
2 and the socket 17 are inserted into the inside of the support 6, the other tapered surface 19 of the socket 17 is fitted into the support hole 9, and the fitting recess 13 of the holder 12 is fitted into the inside of the curved piece 8, respectively. This allows socket 1
7 is fixed to the support 6 via the holder 12, then the cap 10 of the lamp 4 is inserted into the notch 7.
and insert it into the inside of the support 6 through the connecting pin 11.
... into socket 17. In response to this, the holding part 16 of the holding piece 15 elastically engages with the edge of the cap 10, whereby the connecting pins 11... are accurately connected to the sockets 17, and the entire lamp 4 is stabilized in a cantilevered state. and will be supported. When removing the lamp 4, push the holding piece 15 upward against its elastic force, remove the holding part 16 from the edge of the cap 10, and in this state pull out the lamp 4 horizontally to easily remove it. can.

Inside the chassis 1, a pull switch 23 for opening and closing electricity to the lamps 4 is provided, and a pull frame 24 is connected to the pull switch 23. This sliding frame 24 has a substantially rectangular annular shape, and one side of the upper end is cut out to form an opening 25 through which the lamp 4 can pass, and the end facing this opening 25 is arranged on the center line of the sliding frame 24. A hooking groove 26 is formed in this terminal portion. And this hook groove 26
The operating string 23a of the pull switch 23 is hooked to the pull switch 23, thereby supporting the pull frame 24 in a suspended state so as to keep it horizontal. A slit-shaped slide hole 27 is formed in the reflecting plate 3, and the lower end side of the pull frame 24 projects below the reflecting plate 3 through the slide hole 27, and a draw string 28 is attached to the middle part of the lower end. Then, the middle lamp 4 among the lamps 4 arranged in parallel below the reflector 3
is inserted into the inside of the draw frame 24, and a relatively large circular opening 29 is formed in the middle of the slide hole 27.

When the pull frame 24 is pulled down via the pull string 28, the pull switch 23 is interlocked via the operating string 23a, whereby the lamps 4 are turned on or off. At this time, the pulling frame 24 is lowered while being guided by the slide hole 27, so that the pulling frame 24 does not swing or shake, and therefore the pulling frame 24 can be pulled down smoothly, and the pulling frame 24 can be lowered smoothly. By avoiding contact between the lamp 24 and the lamp 4, damage or breakage thereof can be prevented.

On the other hand, when attaching or detaching the lamp 4, the pulling frame 24 is pulled down greatly and the connecting portion between the pulling frame 24 and the operating string 23a is pulled out below the reflector 3 through the opening 29. In this state, the operating string 23a is hooked from the hook groove 26. Then, the lamp 4 is passed through the opening 25 to remove the draw frame 24 from around the lamp 4, and in this state, the lamp 4 is removed from the lower part of the reflector 3. Also, when installing the lamp 4,
The lamp 4 is inserted into the inside of the lamp, and the lamp 4 is attached to the reflector plate 3 in this state. And pull switch 2
Insert your fingertip into the opening 29 and pull out the operating string 23a of No. 3 below the reflector 3.
3a is hooked onto the hook groove 26 of the pull frame 24, and in this state, the upper end side of the pull frame 24 is inserted into the upper side of the reflector plate 3 through the slide hole 27.

In addition, in the above embodiment, U is used as a lamp.
I used a letter-shaped fluorescent lamp as an example, but an incandescent bulb could also be used.

[Effects of the invention] As explained above, according to this invention, it is possible to prevent the sliding frame from swinging and to perform the lowering operation smoothly, and to prevent damage or breakage by avoiding contact between the sliding frame and the ramp. In addition, since the structure uses a single drawing frame, the number of parts is reduced compared to the conventional method, which is advantageous in terms of cost, and the work process during product assembly is reduced, increasing production efficiency. It has the effect of improving.

[Brief explanation of the drawing]

Figures 1 to 5 show an embodiment of this invention, with Figure 1 being a sectional view of the main parts, Figure 2 being a sectional view of the whole, and Figure 3 being a perspective view of a part of the draw frame and reflector. 4 is a perspective view of the lamp support structure in an exploded state, FIG. 5 is a sectional view of the lamp support structure in an assembled state, and FIG. 6 is a sectional view of a conventional lighting fixture with a pull switch. 3...Reflector, 4...Lamp, 23...Pull switch, 23a...Operation string, 24...Pull frame, 2
5... Opening part, 27... Slide hole.

Claims (1)

[Scope of utility model registration request] An annular pull frame is formed, the middle part of the upper end of the pull frame is detachably connected to the operating string of the pull switch, and the lower end of the annular pull frame projects downward through a slide hole formed in the reflector. , a lighting fixture with a pull switch characterized by a lamp facing inside the sliding frame of this protruding part.