JPH0525132Y2 - - Google Patents

Description

[Detailed description of the invention] [Purpose of the invention] (Field of industrial application) The present invention relates to a lighting fixture in which a reflector and a lamp are arranged inside the fixture body, such as a ceiling-embedded lighting fixture. .

(Prior Art) In a ceiling-embedded lighting fixture, a reflector and a lamp facing the lower surface of the reflector are mounted inside a fixture main body having an opening on the lower surface.

In such lighting equipment, the reflector and lamp are installed close to the opening of the equipment body in order to increase the illuminance of the room, and for example, in a room where office automation equipment is installed, it is necessary to install a reflector and a lamp near the opening of the equipment. In order to prevent the reflection of the lighting, a lighting fixture is used in which a louver is attached to the opening of the fixture body, and a reflector and a lamp are provided above the fixture body by the height of the louver.

For example, as described in Japanese Utility Model Application Publication No. 49-134089, the height of the main body of the fixture installed between a pair of T-bars can be set to two levels, upper and lower, depending on the lighting purpose as described above. However, since the height of the fixture body itself is variable, there are inconveniences such as the fixture body hitting ceiling structures such as ducts in the ceiling.

(Problem to be solved by the invention) As mentioned above, when considering contact with the ceiling structure, it is desirable that the fixture body be fixedly installed on the ceiling. Conventionally, there is no lighting fixture whose orientation can be varied, and it is necessary to use dedicated lighting fixtures with different reflector and lamp positions depending on the purpose of illumination, making it impossible to standardize the fixtures. In addition, due to changes in room use, rooms that require the above illuminance may be
When changing to a room where a CRT is installed or vice versa, it is difficult to change the lighting equipment accordingly.

The present invention was created in view of the above points, and it is possible to adjust the height of the reflector and the lamp with respect to the main body of the device fixedly installed on the ceiling etc.
It is an object of the present invention to provide a lighting fixture that allows one fixture to be selected and set according to the purpose of illuminating a room, and that allows for common use of fixtures.

[Structure of the idea]

(Means for solving the problem) The present invention includes an instrument body having an opening on the lower surface,
The device includes a reflector disposed inside the device body and a lamp integrally attached to the lower surface of the reflector, and the reflector is inserted into the device body from below through the opening. In the lighting equipment, a plurality of stoppers protruding inward from the equipment main body are provided in a plurality of stages along the vertical direction on both opposing inner surfaces of the equipment main body, and the reflector is provided with stoppers that protrude inward from the equipment main body in a plurality of stages along the vertical direction. A positioning plate for positioning the insertion direction is provided, and mounting springs are provided on both outer surfaces of the reflector to be positioned between the inner surface of the instrument body in the inserted state of the reflector, and the mounting springs include the When the reflector is inserted, an engaging part is provided which contacts the stopper and is elastically deformed inwardly and engages with the upper surface of the stopper, and also protrudes from the engaging part to the inside of the reflector to engage the engaging part with the stopper. It is equipped with an operating section for releasing the operation.

(Function) In this device, when the reflector is inserted into the interior of the fixture body through the opening from below, the mounting spring of the reflector abuts against the stopper and elastically deforms inward while engaging with the upper surface of the stopper, thereby supporting the reflector inside the fixture body. Then, the height positions of the reflector and the lamp inside the fixture body can be adjusted by moving the reflector up and down inside the fixture body to select the engagement position of the mounting spring with respect to the stopper, which has multiple steps in the vertical direction.
The mounting spring can be engaged with and disengaged from the stopper by an operating portion of the mounting spring that protrudes inside the reflector.

In addition, when inserting the reflector into the instrument body or moving it vertically within the instrument body, the positioning plate guides the direction of movement of the reflector, so that the reflector's mounting spring and stopper are Engagement is ensured.

In addition, the stoppers and positioning plates provided on the device body protrude inward from the device body, and there are no protrusions on the outside surface of the device body, so they do not serve as support for inserting and fixing the device body into the ceiling surface, etc. .

(Embodiment) Hereinafter, the configuration of an embodiment of the present invention will be described with reference to the drawings.

In the figure, reference numeral 1 denotes the appliance main body, which is formed into a rectangular box frame shape having an opening 4 on the lower surface from an upper plate 2 and side plates 3 constituting four side surfaces, and is passed through an embedded opening 6 in a ceiling plate 5 to the ceiling surface. The bent edge 7, which is embedded in the lower edge and bent outward, is joined to the lower edge of the embedded opening 6, and the bolt 8 lowered from the ceiling structure above the ceiling plate 5. It is fixed by screwing a nut 9 through the upper plate 2 of the instrument body 1.

Further, on one opposing side plate 3 of this instrument main body 1, a positioning plate 10 for positioning the inserting direction of a reflector 16, which will be described later, is cut inward and formed near both ends, and the upper and lower sides are formed in the middle part. A pair of stoppers 11a, 11b are cut and raised inwardly to face each other. This stopper 11a,
11b is provided with a horizontal stopper surface 12 on the upper surface, an inclined surface 13 whose lower end side slopes inward on the end surface facing inward, and an inclined surface that continues below the inclined surface 13 and slopes outward. 14 is provided, and a fulcrum portion 15 is provided at the corner of the joint portion of both inclined surfaces 13 and 14.

A reflector 16 is disposed inside the instrument body 1 and is inserted into the instrument body 1 from below through the opening 4. This reflector 16 consists of a side plate 18 bent diagonally downward from one opposing edge of the upper plate 17 and a side plate 19 bent downward from the other opposing edge. A central reflecting portion 20 is provided at the center of the mirror 17 and protrudes inward in a substantially V-shape along a direction parallel to the side plates 18 . In addition, on both side plates 18,
A bent portion 21 that is bent outward in a substantially L-shape is provided at the lower edge, and a notch 22 is provided at the center of this bent portion 21. Correspondingly, a rectangular window hole 23 is provided in the side plate 18.
Attachment holes 24 are provided below both ends of this window hole 23.

Furthermore, attachment springs 25 having spring properties are attached to the outer surfaces of both side plates 18 of the reflector 16 and are positioned between the reflector 16 and the inner surface of the instrument main body 1 in the inserted state. This mounting spring 25 has a mounting portion 28 that is joined to the lower side of the window hole 23 on the outer surface of the side plate 18 and is fixed by a screw 27 that is screwed into the mounting hole 24 through the through hole 26 at both ends. A pair of approximately U-shaped curved portions 29 are provided from the mounting portion 28 in correspondence with the spacing between the respective pairs of stoppers 11a, 11b,
A locking portion 30 is provided which is bent approximately horizontally outward from the tip of each curved portion 29 and locks onto the stopper surface 12 of the stopper 11a, 11b, and is inclined inward from the tip of the locking portion 30. A sloped portion 31 is provided,
Furthermore, an operating section 32 is provided which connects both inclined sections 31 and projects inside the reflector 16 through the window hole 23, and a hook piece 33 that is bent downward is provided at the inner end of this operating section 32. ing.

Then, when inserting the reflector 16 into the instrument body 1,
The inclined portion 31 of the mounting spring 25 is located at the lower stopper 11.
b, the attachment spring 25 is elastically deformed inwardly, and the engagement portion 30 of the attachment spring 25 climbs over the stopper 11a, engages with the stopper surface 12 of the lower stopper 11b, and As shown in Figure 1, a reflector 16 is supported within the instrument body 1.

Two lamps 34 are arranged on the lower surface of the reflector 16, and each lamp 34 has a base portion 35 at one end.
Two substantially U-shaped lamp tubes 36 project from the base 35 in parallel, and a socket 3 attached to the lower surface of the reflector 16
At the same time as connecting the cap part 35 to the holder 38
By fitting the middle part of the lamp tube 36 into the
Each lamp 34 is installed in parallel.

Further, lighting tube sockets 39 are attached to both ends of the central reflecting portion 20 of the reflector 16, and a lighting tube 40 is connected to the lighting tube sockets 39.

A louver 4 is provided inside the opening 4 of the instrument body 1.
1 is disposed, and this louver 41 includes a louver frame 42 combined into a rectangular frame shape whose upper end can enter between the inner sides of the reflector 16, and this louver frame 42.
A louver body 4 formed by combining in a substantially cross shape between the inner sides of the
3, and a bent part 44 which is bent outward at the lower edge of the louver frame 42 is supported by resting on a frame 45 attached to the lower surface of the instrument main body 1.

The frame body 45 is provided in the same square frame shape as the lower end shape of the appliance body 1, and has a cover portion 46 on the outside that hides the bent edge 7 of the appliance body 1 and joins to the ceiling plate 5.
is provided, and the bent portion 44 of the louver 41 is provided inside.
A louver fitting part 47 is provided on which the louver 41 fits and rests, and is connected to the inner surface of the instrument main body 1 via a V spring (not shown), and can be raised and lowered with the louver 41 placed on the instrument main body 1. It's getting old.

In addition, a stabilizer 4 is provided on the lower surface of the upper plate 2 of the main body 1.
8 etc. are installed.

Next, the operation of this embodiment will be explained.

First, to install the appliance, insert the upper part of the appliance body 1 into the recessed opening 6 of the ceiling plate 5, and screw the nut 9 onto the bolt 8 protruding downward from the upper plate 2.
to be fixed. At this time, the positioning plate 10 and the stoppers 11a, 11b are formed by cutting inward and there is no protrusion on the outer surface of the instrument body 1, so that insertion into the embedding opening 6 of the instrument body 1 is facilitated. I can do it.

Subsequently, the reflector 16 is inserted and mounted inside the instrument main body 1 from below through the opening 4, and the frame 45 on which the louver 41 is mounted is mounted on the lower surface of the instrument main body 1.

When the reflector 16 is installed inside the instrument body 1, the engaging portion 30 of the attachment spring 25 of the reflector 16 is urged outward by its spring property, and the stopper 11a or the stopper 11b of the instrument body 1 is biased outward. The reflector 1 is attached to the stop surface 12 of the reflector 1.
6 is supported between the inner sides of the instrument main body 1, and the bent portion 21 of the side plate 18, to which the mounting spring 25 of the reflector 16 is attached, is fitted between the positioning plates 10 of the instrument main body 1. The reflector 16 is positioned, and the mounting spring 16 of the reflector 16 is moved to the stopper 1.
1a or stopper 11b.

As shown in FIG.
4 can be located at a high position inside the instrument main body 1 and a louver 41 can be arranged below it, and this louver 41
By controlling the irradiation of light to a predetermined horizontal shading angle, it can be used, for example, as a lighting fixture that can prevent reflection of light on a CRT screen in a room where office automation equipment is installed.

On the other hand, as shown in FIG.
can be located at a low position close to the opening 4 of the fixture main body 1, and can be used as a lighting fixture with high illuminance.

Furthermore, if the use of the room is changed from the room in which the CRT is placed to a room that requires illuminance or vice versa, the height of the reflector 16 can be changed and the louver 41 can be attached and detached to accommodate the change. . That is, when lowering the reflector 16 and lamp 34 from the upper position to the lower position,
Lower the frame 45, remove the louver 41, and remove the reflector 1.
By holding the operating portion 32 of the mounting spring 25 that protrudes inside the stopper 6 and pulling it diagonally downward, the stopper 1 is released.
The mounting spring 25 is displaced using the curved portion 29 that is in contact with the fulcrum portion 15 of 1a as a fulcrum, and the attachment portion 3 is moved.
0 inward from the stopper surface 12, lower the reflector 16 in that state, and release the operating part 32 or weaken the tension when the engaging part 30 gets over the stopper 11a, thereby lowering the mounting spring 25. The engaging portion 30 can be displaced outward due to its spring property and can be engaged with the stopper surface 12 of the lower stopper 11b.

On the other hand, when raising the reflector 16 and the lamp 34 from the lower position to the upper position, by pushing up the reflector 16 as it is, the mounting spring 25 comes off from the lower stopper 11b, and the inclined part 31 of the mounting spring 25 is moved upward. While the mounting spring 25 is elastically deformed inward by coming into contact with the inclined surface 14 of the stopper 11a,
The engaging portion 30 of the mounting spring 25 rides over the stopper 11a and engages with the stopper surface 12 of the upper stopper 11a. At this time, by operating the operating portion 32 to deform the mounting spring 25 inward, the mounting spring 25 can be easily moved over the stopper 11a.

As described above, the positions of the reflector 16 and the lamp 34 can be easily adjusted by operating the mounting spring 25 from inside the reflector 16, so the lighting fixture can be easily changed to suit the intended use of the room. In addition to this, it is also possible to standardize equipment.

Furthermore, when moving the reflector 16 in the vertical direction,
Since the moving direction of the reflector 16 is positioned and guided by the positioning plate 10, engagement between the mounting spring 25 of the reflector 16 and the stoppers 11a, 11b is ensured.

Note that what is disposed in the opening 4 of the instrument body 1 is not limited to the louver 41, but various accessories such as shades can also be disposed, and depending on the various accessories, a stopper is provided in the instrument body 1 so that the reflector 16 and the lamp can be disposed. 34 position adjustment.

In addition, the stoppers 11a and 11b of the instrument main body 1
may be provided separately and fixed to the instrument body 1 with screws, etc. In this case, by providing a plurality of holes for fixing the stopper in the instrument body 1 along the vertical direction, the stopper can be fixed. The mounting position can be adjusted freely.

[Effect of idea]

According to the present invention, in a lighting device in which a reflector is inserted into the interior of the device body from below through an opening, the reflector is provided with a stopper provided in multiple stages along the vertical direction inside the device body. In order to selectively engage the mounting spring, the height of the reflector and lamp can be adjusted with respect to the main body of the fixture fixedly installed on the ceiling, etc., so that one fixture can be selectively set according to the lighting purpose of the room. , it is possible to standardize equipment.

In addition, when inserting the reflector into the instrument body or moving it vertically within the instrument body, the positioning plate guides the direction of movement of the reflector, so the engagement between the reflector's mounting spring and the stopper is can be ensured.

Furthermore, the stopper and positioning plate provided on the device body protrude inward from the device body, and there are no protrusions on the outside surface of the device body, so it is prevented from becoming a support for inserting and fixing the device body into the ceiling, etc. can.

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing one embodiment of the lighting device of the present invention, Fig. 2 is a perspective view of a part thereof, Fig. 3 is a sectional view thereof, and Fig. 4 shows another example of the use of the lighting device. FIG. 1... Instrument body, 4... Opening, 10... Positioning plate, 11a, 11b... Stopper, 16...
Reflector, 25... Mounting spring, 30... Engaging portion, 3
2...Operation unit, 34...Lamp.

Claims (1)

[Claims for Utility Model Registration] A device body having an opening on the lower surface, a reflector disposed inside the device body, and a lamp integrally attached to the lower surface of the reflector, In a lighting device whose body is inserted into the inside of the device body from below through an opening, a plurality of stoppers projecting inward of the device body are provided on both opposing inner surfaces of the device body along the vertical direction. In addition to providing a step, a positioning plate is provided for positioning the insertion direction of the reflector in accordance with the lateral position of the stopper, and on both outer surfaces of the reflector, the inner surface of the instrument body and the inner surface of the instrument body are provided with the reflector in the inserted state. an attachment spring located between the attachment springs, and the attachment springs are provided with attachment portions that come into contact with the stopper and elastically deform inwardly when the reflector is inserted, and that attach to the upper surface of the stopper; A lighting device characterized by being provided with an operating part that protrudes from the engaging part to the inside of the reflector and operates to engage and release the engaging part from the stopper.