JPH0398205A - Built-in illuminator - Google Patents

Abstract

PURPOSE:To surely hold an equipment main body on a ceiling surface by inserting an engage-stop piece of a fixture main body from the outside of the fixture main body into an engaging groove so as to engage an engaging piece with the engaging groove freely slidable vertically. CONSTITUTION:An operating piece 9 is obliquely inserted from an inserting grooves 4 formed respectively on the upper part of external sides of an engaging grooves 3 of an equipment main body 1, with both engaging pieces 7 of a fixture main body 5 being sandwiched, while an engage-stop piece 8 is also inserted obliquely. When the engaging pieces 7 are released from the sandwiched position under the state that the engaging pieces 7 are inserted into the engaging grooves 3, the fixture main body 5 is mounted movably along the engaging grooves 3 of the equipment main body 1. By moving the fixture main body 5 upward along the engaging grooves 3 of the fixture main body 1, and by inserting and stopping hook claws 17 in engagement that are formed on the upper surface sides of a base 6 of the fixture main body 5, in inserting grooves 4 formed on the upper sides of the engaging grooves 3 of the equipment main body 1, the fixture main body 5 is held at the upper part of the engaging grooves 3.

Description

[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) The present invention relates to a recessed lighting fixture, and in particular, the present invention relates to a recessed lighting fixture, and in particular, to a recessed lighting fixture such as a downlight, an emergency light, etc. It relates to a fixture held in a mounting hole.

(Prior Art) Conventional lighting equipment of this type is disclosed in, for example, Japanese Patent Application Laid-open No. 107-1983.
As described in Publication No. 201, an engagement groove is formed in the vertical direction in the instrument body, and retaining pieces bent from both sides of the fixture body are movably engaged in this engagement groove. Then, the locking pieces bent outward from the engagement grooves of both of the engagement pieces are engaged with the inner surfaces of both sides of the engagement groove of the instrument body, and the pressure contact pieces formed on both sides of the fixture body are The fixture body is engaged with both outer surfaces of the engagement groove of the fixture body, and the lower end of the fixture body is brought into contact with the back side of the ceiling surface to hold the fixture body.

(Problem to be Solved by the Invention) In the above-mentioned conventional lighting device, the pressure contact pieces formed on both sides of the fixture body are engaged with the outside surfaces of both sides of the engagement groove of the fixture body. However, there is a problem in that the pressing force of the pressure contact piece against the instrument body becomes uncertain, and the instrument body may shift downward.

The present invention was made in view of the above-mentioned problems, and an object of the present invention is to provide an embedded lighting fixture whose main body can be securely held on a ceiling surface.

[Structure of the invention]

(Means for Solving the Problems) The recessed lighting fixture of the present invention includes a fixture body having vertical engagement grooves, and an inner surface of a ceiling surface that is movably engaged with the engagement groove of the fixture body. The fixture body is comprised of a base plate portion and a fixture body that is bent at a substantially right angle from both side edges of the base plate portion and movably engaged in the engagement groove of the instrument body. a locking piece that is bent outward at a substantially right angle at the distal end edge of each of the two engaging pieces, and is locked to an outer edge of the engagement groove of the instrument body; , a press-contact piece part protruding from the upper part of the base plate part, having locking edges formed on both side edges thereof to be inserted into the engagement groove and press-fitted to both side edges of the engagement groove; and a lower part of the base plate part. The receiving piece includes a receiving piece that extends from the ceiling and comes into contact with the inner surface of the ceiling surface, and a curved part that has an abutment edge that is bent into an arc shape at the lower part of the receiving piece.

(Function) In the embedded lighting device of the present invention, the locking piece of the fixture body is inserted into the engagement groove from the outside of the fixture body, and the retaining piece is slidable vertically into the engagement groove. By engaging,
The fixture body is attached to the instrument body. In this state, insert the main body of the device into the mounting hole on the ceiling surface. Then, with the fixture body passing through the mounting hole on the ceiling surface, the retaining piece part of the fixture body is lowered along the engagement groove, and the receiving piece part shaped at the bottom of the base plate part of the fixture body is inserted. When brought into contact with the inner surface of the ceiling surface, the contact edge of the receiving piece slides on the inner surface of the ceiling surface, the pressure contact piece is inserted into the engagement groove of the device body, and the locking edges on both sides of it are engaged. The tool body is wedge-shaped and engaged with both side edges of the groove, and the locking pieces are engaged with the inner peripheral edge of the engagement groove, so that the instrument body is held in the mounting hole.

(Embodiment) Hereinafter, the structure of an embodiment of the present invention will be described with reference to FIGS. 1 and 2.

In Fig. 2, 1 is the instrument body, and this instrument body 1 is F
The surface is open and has a substantially U-shaped cross section, and as shown in FIG. Insertion groove portions 4 are formed on both outer sides of the upper portion of the engagement groove 3, respectively.

5 is a fixture body, and this fixture body 5 is a metal plate material,
It is molded with synthetic resin or the like, is movably held in both engaging grooves 3 of the device main body 1, is engaged with the inner surface of the ceiling surface, and is formed approximately from the base plate 6 and both side edges of the base plate 6. The left and right engaging pieces 7 are bent at right angles and are movably engaged with the engaging grooves 3 of the instrument body 1, and the distal end edges of these two engaging pieces 57 are each bent outward. A locking piece 8 is cut and bent at a substantially right angle and is locked to both outer edges of the engagement groove 3 of the instrument main body 1, and a locking piece 8 extends from the tips of both the engagement pieces 7 It has an operation piece part 9. Further, locking edges 10 extending from the upper edge of the base plate portion 6, inserted into both the engaging grooves 3, and biting into both side edges of the engaging groove 3 to be locked by pressure contact are formed on both side edges. The pressure welding piece It.
II is provided in a protruding manner, and both pressure contact pieces 11 and I1 are tapered in shape and narrow at the distal end side. Further, on the upper edge of this substrate portion 6, both pressure contact pieces 11. An elastic actuating piece 12 whose tip is brought into pressure contact with the outer surface between the retaining grooves 3 is provided between the retaining grooves 3 and the retaining grooves 3 . This elastic actuation piece 12 is connected to the pressure contact piece 11. 11 is brought into contact with the outer surface of the instrument body 1 before being inserted into and engaged with the engagement groove 3. Furthermore, a planar elastic receiving piece l4 extending from the lower part of the base plate part 6 and coming into contact with the inner surface of the ceiling surface 13 is formed on the lower edge thereof. The tip of this receiving piece 14 is provided with a curved part l5 which is narrower in width than this receiving piece 14 and is bent back so that the bent part becomes an arc shape. An abutment edge 16 that abuts against the inner surface of the ceiling surface 13 is formed in the arc-shaped portion 15 . Further, on both sides of the upper part of the base plate 6 of the fixture body 5, there are hooking claws 17 that are removably engaged with the insertion grooves 4 formed on both sides of the engagement groove 3 of the instrument body 1, and are directed downward. It is installed protrudingly.

In addition, in Fig. 2, 18 is a reflecting mirror, and this reflecting mirror l
Reference numeral 8 is provided on the instrument main body 1, and an irradiation opening is formed on the lower surface. A peripheral edge 19 bent outward at the lower edge of the reflector 18 engages with an inner step 21 of an edge frame 20 attached to the lower part of the instrument main body 1 and is attached to the instrument main body 1. . Further, the reflecting mirror 18 is supported by a support 22 provided on the instrument main body 1, and a lamp 24 attached to a socket 23 provided on the instrument main body 1 is housed in the reflecting mirror 18. ing. In this manner, the fixture is attached to the attachment hole 25 in the ceiling surface I3.

Next, the operation of this embodiment will be explained.

Insertion groove portions 4 are formed on both outer sides of the upper portion of the engagement groove 3 of the instrument body 1, sandwiching both the engagement piece portions 7 of the fixture body 5.
At the same time, insert the operating piece 9 diagonally through the opening, and also insert the locking piece 8 from the diagonal direction. With the engaging piece 7 inserted into the engaging groove 3, hold the engaging piece 7. When unwound, the fixture body 5 is mounted movably along the engagement groove 3 of the instrument body 1. Then, the fixture body 5 is moved upward along the engagement groove 3 of the fixture body 1, and the base plate of the fixture body 5 is inserted into the insertion groove 4 formed on both sides of the upper part of the engagement groove 3 of the fixture body 1. The fixture main body 5 is held in the upper part of the retaining groove 3 by inserting and locking the hook parts 17 formed on both sides of the upper part of the fixture 6.

Moreover, when attaching an instrument, the instrument main body 1 is inserted from below the attachment hole 25 of the ceiling surface 13.

At this time, since the base plate 6 of the fixture body 5 is held substantially parallel to the outer surface of the fixture body 1, the fixture body 5 is
The receiving piece l4 is inserted into the mounting hole 25 without coming into contact with the edge of the mounting hole 25. Then, the fixture body 5
is inserted into the mounting hole 25, move the fixture main body 5 upward, remove the hook part I7 from the insertion groove part 4,
The fixture main body 5 is lowered to bring the receiving piece l4 into contact with the inner surface of the ceiling surface 13. At this time, since the elastic actuating piece 12 is pressed against the outer surface between the two engaging grooves 3, the pressing pieces 11, 11 are not pushed into the engaging groove 3, and the fixture body 5 is smoothly moved. will be lowered to In the case of relatively heavy equipment such as emergency lights, the attachment main body 5 is inserted into the engagement groove 3.
When the instrument body 1 is lowered to the lower end, the weight of the instrument body 1 is applied to the abutting edge l6 of the receiving piece l4 of the fixture body 5, and the load applied to this receiving piece l4 is applied to the abutting edge of this receiving piece 14. 1
6 is smoothly slid on the ceiling surface 13.

Then, due to the load applied to the contact edge 16 of the receiving piece l4, the pressure contact pieces II, I1 are inserted into the engagement groove 3, and the pressure contact pieces II. Locking edges 10 formed on both side edges of I1 bite into both side edges of the engagement groove 3 in a wedge shape and are press-contacted, and the instrument body 1 is held on the ceiling surface 13 by the fixture body 5.

In this state, due to the elasticity of the receiving piece 14, the attachment main body 5
The device body 1 is pushed upward, and the edge frame 20 attached to the device body 1 is held in a state in contact with the peripheral edge of the attachment hole 25 in the ceiling surface 13. In addition, in the case of a device that is relatively light in weight, such as a downlight 9, the elastic actuation piece 12 is inserted before the pressure contact piece 11 is inserted into the engagement groove 3.
is pressed against the outer surface between the two engaging grooves 3, and the instrument main body 1 is held on the ceiling surface 13 by the pressing force of the elastic actuating piece portion 12.

In addition, when removing the fixture body 1 from the mounting hole 25 in the ceiling surface 5, first remove the reflector X8 and then
The upper part of the base plate part 6 of the fixture body 5 is inserted into the insertion groove 4 formed on both sides of the upper part of the engagement groove 3 of the instrument body 1 by supporting the operation piece part 9 of the fixture body 5. By inserting and locking the hook portions 17 formed on both sides, the base plate portion 6 is moved toward the outer surface of the instrument body 1 and attached to the outer surface of the fixture body 5, and in this state, the base plate portion 6 is attached to the outer surface of the fixture body 5. 1 can be removed from the mounting hole 25.

Next, another embodiment will be described with reference to FIG. In the embodiment shown in FIG. 3, a tip piece 25 is formed at the tip of the curved portion 15 shown in FIG. 26 was cut and shaped.

10 Then, while the fixture body 5 is lowered to the lower end of the engagement groove, the contact edge 16 of the receiving piece 14 comes into contact with the ceiling surface l3 and slides, and the fixture body 5 is further engaged. When descending to the lower end of the matching groove 3, the tip of the locking claw 26 comes into contact with the ceiling surface 13, and when the tip piece 25 rebounds toward the fixture body 1 side, the fixture body 5 is fixed to the ceiling by the locking claw 26. It is latched to the surface 13 and the fixture body 5 is fixed to the instrument body 1.

Alternatively, the locking pawl 26 may be formed by cutting and raising one in the center of the receiving piece 14 as shown in FIG.

Further, a tapered piece 27 is formed at the tip of the tip piece 25 shown in FIG.

In the structure of each of the embodiments described above, an elastic actuation piece l2 is provided protruding from the base plate 6 of the fixture body 5, and this elastic actuation piece l2
2 is in pressure contact with the outer surface between the two retaining grooves 3, so that when the fixture main body 1 moves up and down, the pressure contact piece 11. II is not inserted into the engagement groove 3, and the fixture main body 5 is smoothly lowered.In addition, in the case of a relatively light device such as a downlight, the pressure contact piece 11 is Before being inserted into the engagement groove 3, the elastic actuation piece 12 is pressed against the outer surface between the two engagement grooves 3, and the pressure of the elastic actuation piece 12 causes the instrument body 1 to be pressed.
has described a structure in which it is held on the ceiling surface 13, but the structure is not limited to this, and the elastic actuating piece portion 12 is not necessarily required.

In addition, in the structure of each of the embodiments described above, the hook portions 17 are formed on both sides of the upper part of the base plate portion 6 of the fixture body 5, and the hook portions 17 are formed on both sides of the upper part of the engagement groove 3 of the fixture body l. Although a structure has been described in which the fixture main body 1 is held in the upper part of the retaining groove 3 by being inserted into and locked into the insertion groove 4 shaped like this, the present invention is not limited to this structure. For example, elasticity is imparted to both engaging pieces 7 of the fixture body 5 so that both engaging pieces 7 come into pressure contact with both side edges of the engaging groove 3, and the fixture body 5 is attached to the upper part of the engaging groove 3. It is also possible to have a structure in which it is held elastically. In this structure, both the engaging pieces 7 are supported lightly against elastic force, and the engaging groove 3 of the instrument main body 1 is supported.
When the retaining piece 7 is released, both engaging pieces 7 are moved.
expands due to elastic force, and the locking piece 8 is elastically held at the outer edge of the engagement groove 3.

Further, in the structure of each of the above embodiments, the structure in which the operation piece part 9 is formed has been described, but the structure is not limited to this, and the operation piece part is formed with the engagement piece part 7 or the locking piece part 8. It is also possible to have a structure that serves as both.

〔Effect of the invention〕

According to the present invention, the arcuate abutting edge is provided at the tip of the receiving piece of the fixture body, so that the receiving piece smoothly slides on the ceiling surface, so that the press-fitting piece can move into the engagement groove of the fixture body. It bites into a wedge shape and is securely locked, and compared to a structure in which the pressure contact piece abuts the outer surface of the instrument body, there is no slippage, and the instrument body can be securely held on the ceiling surface.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a lighting fixture mount showing one embodiment of the present invention, FIG. 2 is a sectional view of a part of the same lighting fixture, and FIG. 3 is a lighting fixture mount showing another embodiment. Perspective view of 4th
The figure is also a partial perspective view of a fixture for a lighting fixture showing another embodiment. 13 1. Instrument main body, 3. Engagement groove, 5. Mounting tool main body,
6... Board part, 7... Engagement piece part, 8... Locking piece part, 10
... Locking edge, 11 ... Pressure contact piece part, 13 ... Ceiling surface, 14
...Receiving piece part, 15...Curved part, 16...Abutting edge. 14 JP-A-3 98205 (6)

Claims (1)

[Claims] (1) Consisting of a fixture body in which a vertical engagement groove is formed, and a fixture body that is movably engaged with the engagement groove of the fixture body and latched to the inner surface of the ceiling surface, said fixture body includes a base plate, an engagement piece that is bent at a substantially right angle from both sides of the base plate and movably engaged with the engagement groove of the instrument body, and tip edges of both of the engagement pieces. a locking piece portion that is bent at a substantially right angle toward the outside at each portion and is locked to an outer edge of the engagement groove of the device main body; and a locking piece portion that protrudes from the upper part of the base plate portion and is inserted into the engagement groove. a press-contact piece portion having locking edges formed on both side edges thereof to be press-fitted to both side edges of the engagement groove; and a receiving piece extending from a lower portion of the base plate portion and abutting against the inner surface of the ceiling surface. What is claimed is: 1. A recessed lighting fixture, comprising: a curved portion having an abutment edge bent into an arc shape at a lower portion of the receiving piece portion.