JP2629045B2 - Recessed lighting fixture - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a recessed lighting device, and in particular, a device body embedded in a ceiling surface such as an emergency light is installed in a mounting hole in the ceiling surface. Related to holding fixtures.

(Prior Art) A conventional lighting apparatus of this type is disclosed in, for example, Japanese Patent Application Laid-Open No. 60-107201.
As described in the publication, an engaging groove is formed in the instrument body in the up-down direction, and the engaging pieces respectively bent from both sides of the fixture body are movably engaged with the engaging groove, The engaging pieces bent outward from the engaging grooves of the two engaging pieces are engaged with the inner surfaces of both sides of the engaging groove of the instrument body, and the press contact pieces formed on both sides of the fixture body are attached to the instrument body. Is engaged with the outer surfaces of both sides of the engagement groove of the instrument body, and the sharp end of the lower end of the fixture body is brought into contact with the back side of the ceiling surface to hold the instrument body.

In the lighting fixture having the above-mentioned conventional structure, the pressure contact pieces formed on both sides of the fixture main body are pressed against the fixture main body of the press contact piece because the fixture main body is engaged with both outer surfaces of the engagement grooves of the fixture main body. There has been a problem that the pressing force becomes uncertain and the main body of the instrument is displaced downward. In view of the above, an embedded lighting device has been proposed (not known) in which the press-contacting piece portion of the fixture main body is bitely engaged in the engagement groove of the device main body in a wedge shape and the device main body can be securely held on the ceiling surface. Was.

(Problems to be Solved by the Invention) However, in such a structure, when the instrument body is attached or detached, the press-contacting piece of the fixture body is easily bitten into the engagement groove of the instrument body in a wedge-like manner and is locked. There was a problem that the sliding in the vertical direction could not be performed smoothly.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and when the fixture body is moved up and down along the engagement groove of the instrument body, the pressure contact piece of the fixture body is formed in a wedge shape in the engagement groove of the instrument body. It is an object of the present invention to provide an embedded lighting device which can be smoothly slid in the up-down direction without being bitten and locked, and which can be easily mounted.

[Configuration of the invention]

(Means for Solving the Problems) An embedded lighting device according to the present invention includes a device main body having an up-down engaging groove, and an inner surface of a ceiling surface movably engaged with the engaging groove of the device main body. A fixture main body to be locked, wherein the fixture main body is bent at substantially right angles from both side edges of the substrate portion and movably engaged with the engagement grooves of the instrument main body. An engagement piece, and an engagement piece that is bent outward at substantially right angles at the upper and lower ends of the tip edges of the two engagement pieces and is engaged with the outer edge of the engagement groove of the instrument body. And a receiving portion extending from a lower portion of the substrate portion and abutting against an inner surface of the ceiling surface, and at an upper portion of the substrate portion, both side edges of the engaging groove inserted into the engaging groove. Pressing-contact pieces having locking edges formed on both side edges to be pressed into contact with each other are protruded, and pressure is applied from the substrate to the outer surface of the instrument body. The elastic working piece portion to be brought into contact is protruded.

(Effect) In the embedded lighting device of the present invention, the locking piece of the fixture main body is inserted into the engagement groove from outside the device main body, and the engagement piece is slidably inserted into the engagement groove in the vertical direction. By engaging, the fixture body is attached to the instrument body. In this state, the elastic operating piece is elastically abutted against the outer surface of the instrument body, the mounting body is held at a position where the elastic operating piece is elastically abutted, and the press-contacting piece is engaged. The fixture body can be smoothly slid up and down along the instrument body without being bitten and locked in the mating groove. Then, the instrument body is inserted into the mounting hole on the ceiling surface. With the mounting body passing through the mounting hole on the ceiling surface, the engaging piece of the mounting body is lowered along the engaging groove, and the receiving piece formed at the lower portion of the substrate part of the mounting body is moved to the ceiling. When it comes into contact with the inner surface of the surface, the weight of the tool main body hangs on the receiving piece of the fixture main body, the pressure contact piece is inserted into the engaging groove of the tool main body, and the locking edges on both side edges of the pressing groove form the engaging groove. The side edges are wedge-shaped and bite-locked, and the locking pieces are engaged with the inner peripheral edge of the engagement groove, so that the tool body is held in the mounting hole.

(Embodiment) The configuration of an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG.

In FIG. 2, reference numeral 1 denotes an appliance main body, which is formed in a substantially U-shape. As shown in FIG. An insertion groove 4 is formed on each of the upper and outer sides of the engagement groove 3.

Reference numeral 5 denotes a fixture body which is movably engaged with the two engaging grooves 3 of the instrument body 1 and is engaged with the inner surface of the ceiling surface.
The fixture main body 5 is molded of a metal plate material, a synthetic resin, or the like, and is bent at substantially right angles from both side edges of the substrate portion 6 and both side edges of the substrate portion 6 so as to be movable into the engagement grooves 3 of the instrument main body 1. The right and left engagement pieces 7 to be engaged with each other, and the upper and lower edges of the distal end edges of the two engagement pieces 7 are cut and raised at substantially right angles outwardly, and are bent. A locking piece 8 locked to both outer edges of the outer member 3;
And operation piece portions 9 respectively extending from the tips of the operation pieces. Locking edges 10 extending from the upper edge of the substrate portion 6 are respectively inserted into the two engaging grooves 3, and are formed on both side edges of the engaging grooves 3 so as to bite into and press in contact with the both side edges of the engaging groove 3. The pressure contact pieces 11, 11 are protrudingly provided, and both pressure contact pieces 11, 11 are formed in a tapered shape in which the tip ends are narrowed. The upper edge of the base plate 6 is provided with an elastic operation piece 12 whose front end is pressed into contact with the outer surface between the two engagement grooves 3 from between the two pressure contact pieces 11, 11. The elastic operating piece 12 is inserted into the instrument body 1 before the press contact pieces 11, 11 are inserted into the engagement groove 3.
To come into contact with the outer surface. Further, a flat elastic receiving piece portion 14 extending from the lower portion of the substrate portion 6 and abutting on the inner surface of the ceiling surface 13 is formed at the lower end edge. On both sides of the upper part of the board part 6 of the fixture body 5, hooking claw parts 15 which are engaged with insertion grooves 4 formed on both sides of the engagement groove 3 of the instrument body 1 so as to be detachable are directed downward. It is protruding.

In FIG. 2, reference numeral 16 denotes a reflecting mirror provided on the instrument main body 1 and an irradiation opening is formed on a lower surface thereof.
A peripheral edge 17 formed by bending outward at the lower edge of the instrument body 1
Is engaged with the inner peripheral step 19 of the edge frame 18 attached to the lower part of the instrument body 1 and attached to the instrument main body 1. Further, the reflecting mirror 16 is supported by a support 20 provided on the instrument body 1, and a lamp 22 mounted on a socket 21 provided on the instrument body 1 is included in the reflecting mirror 16. I have.

 Next, the operation of this embodiment will be described.

The fixture body 1 is held by holding the two engagement pieces 7 of the fixture body 5.
Insertion grooves 4 respectively formed on both upper and outer sides of the engagement groove 3
When the operation piece 9 is inserted from an oblique direction, the locking piece 8 is also inserted from an oblique direction, and the engagement piece 7 is inserted into the engagement groove 3 to clamp the engagement piece 7. When released, the fixture body 5 is movably attached to the instrument body 1 along the engagement groove 3. Then, the fixture main body 5 is moved upward along the engagement groove 3 of the appliance main body 1, and the engagement groove 3 of the appliance main body 1 is moved.
In the insertion grooves 4 formed on both sides of the upper part of the
The fixture main body 1 is held above the engaging groove 3 by inserting and locking the hooking claw portions 15 formed on both upper sides of the substrate portion 6.

Also, when mounting fixtures, mount holes on the ceiling surface 13
The instrument body 1 is inserted into 23 from below. At this time, the mounting body 5 is mounted without the receiving piece part 14 being in contact with the edge of the mounting hole 23 because the substrate part 6 of the mounting body 5 is held substantially parallel to the outer surface of the instrument body 1. The hole 23 is inserted. After the fixture main body 5 is inserted into the attachment hole 23, the fixture main body 5 is moved upward, the hooking claw 15 is removed from the insertion groove portion 4, the fixture main body 5 is lowered, and the receiving piece portion 14 is removed. It contacts the inner surface of the ceiling surface 13. At this time, since the elastic operating piece 12 is pressed against the outer surface between the two engaging grooves 3, the pressing pieces 11, 11 are not inserted into the engaging groove 3 and bitten into a wedge shape to be locked. The mounting body 5 is smoothly lowered. When the fixture main body 5 is lowered to the lower end of the engagement groove 3, in the case of a relatively heavy instrument such as an emergency light, the weight of the instrument main body 1 is applied to the receiving piece 14 of the fixture main body 5. The pressing pieces 11, 11 are slid on the ceiling surface 13 by the load applied to the receiving piece 14. Then, the pressing pieces 11, 11 are inserted into the engaging grooves 3 by the load applied to the receiving piece 14, and the locking edges 10 formed on both side edges of the pressing pieces 11, 11 are formed on both side edges of the engaging groove 3. The device main body 1 is held by the fixture main body 5 on the ceiling surface 13. In this state, the attachment main body 5 is pushed upward by the elasticity of the receiving piece portion 14 and the fixture main body 1 is lifted up.
Is kept in contact with the peripheral edge of the mounting hole 23 in the ceiling surface 13.

In the case of a relatively light device such as a downlight, the elastic operating piece 12 is pressed against the outer surface between the two engaging grooves 3 before the pressing piece 11 is inserted into the engaging groove 3. Then, the appliance body 1 is held on the ceiling surface 13 by the pressing force of the elastic operating piece portion 12.

When removing the fixture main body 1 from the mounting hole 23 of the ceiling surface 13, after removing the reflecting mirror 16, the fixture main body 5 is moved upward while holding the operation piece 9 of the fixture main body 5, By inserting the hooking claws 15 formed on both upper sides of the board portion 6 of the fixture body 5 into the insertion grooves 4 formed on both upper sides of the engagement groove 3 of the appliance body 1, the board portion 6 is locked.
Is moved to the outside of the instrument body 1 and is attached to the outer surface of the fixture body 5, and the instrument body 1 can be removed from the attachment hole 23 in this state.

Further, in the structure of the above-described embodiment, the structure in which the operation piece 9 is formed has been described. However, the present invention is not limited to this structure, and the structure in which the engagement piece 7 or the locking piece 8 also serves as the operation piece is used. You can also.

〔The invention's effect〕

ADVANTAGE OF THE INVENTION According to this invention, in the attachment state of an instrument, the press contact piece part of a fixture main body bites into the engagement groove of an instrument main body and is locked, and it slides compared with the structure which abuts a press contact piece part on the outer surface of an instrument main body. There is no, the instrument body can be securely held on the ceiling surface,
In addition, since the elastic operating piece that is pressed from the base plate to the outer surface of the appliance body protrudes, when the fixture body is moved along the engaging groove, the pressing piece bites into the engaging groove and is locked. The fixture body can be easily moved, and when the instrument body is inserted into the mounting hole in the ceiling surface, the fixture is securely held at a predetermined position of the engagement groove of the instrument body. , The structure is simple, the fixture body can be held on the ceiling surface only by inserting the fixture body into the mounting hole on the ceiling surface and then lowering the fixture body along the engagement groove of the fixture body. Can be good.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fixture for a lighting fixture showing an embodiment of the present invention, and FIG. 2 is a vertical sectional front view of the lighting fixture. 1... Instrument body, 3... Engagement groove, 5.
6 ... board part, 7 ... engaging piece part, 8 ... locking piece part, 11 ...
… Pressing piece, 12… Elastic working piece, 13… Ceiling surface, 14…
... the receiving piece.

Claims (1)

(57) [Claims] An appliance body having an up-down engaging groove;
A fixture main body movably engaged with the engagement groove of the instrument main body and locked to an inner surface of the ceiling surface, wherein the fixture main body is substantially perpendicular to both side edges of the substrate portion; An engagement piece portion that is bent and movably engaged with the engagement groove of the device body, and is bent substantially outward at right and left ends at upper and lower portions of the tip edges of the two engagement pieces. The board includes a locking piece that is locked to an outer edge of an engagement groove of the instrument body, and a receiving piece that extends from a lower portion of the board and is in contact with an inner surface of the ceiling surface. On the upper part of the part, press-contacting pieces are formed, which are formed in both side edges of the engaging groove which are inserted into the engaging groove and are pressed and locked to the both side edges of the engaging groove, and are provided on the side of the substrate. An embedded lighting fixture characterized by protruding an elastic operating piece portion pressed against an outer surface portion.