JPH02288015A - Embedded-type lighting apparatus - Google Patents

Abstract

PURPOSE:To prevent a mounting device from coming off when it is moved to the upper portion of an engaging groove to allow the apparatus body to be mounted on or detached from a ceiling surface by establishing a specific dimensional relationship between the insertion groove portion of the engaging groove of the apparatus body and the engaging piece portion of the mounting device body to be inserted into it. CONSTITUTION:With the engaging piece portion 7 of the mounting device body 5 held between fingers, an operation piece portion 9 and an engaging piece portion 8 are inserted in an engaging groove 3 obliquely from the insertion groove portion 4 of the apparatus body 1. Then with fingure pressure released, the body 5 is moved upwards to lock a catch pawl 15 in a groove portion 4. At this point, the dimension L1 from the groove portion 4 of the groove 3 to its upper end is made longer than the dimension L2 of the engaging piece 8, and the width L3 of the groove portion 4 is made shorter than the width L4 of the engaging piece 8. This ensures that the body 5 will not come off even when it is at the groove portion 4 of the body 1. Subsequently, the body 1 is inserted into a mounting hole 23 in the ceiling surface 13, the pawl 15 is disengaged and the body 5 is lowered to cause a support piece portion 14 to come in contact with the ceiling surface. This sequence of operations results in the body 1 being held on the ceiling surface 13.

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. 60-107.
As described in Publication No. 201, an engagement groove is formed in the vertical direction in the instrument body, and engagement pieces bent from both sides of the fixture body are movably engaged in this engagement groove. ,
The locking pieces bent outward from the engagement grooves of both engaging 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 connected to the instrument body. The fixture body is held by engaging the outer surfaces of both sides of the engagement groove, and by bringing the sharp lower end of the fixture body into contact with the back side of the ceiling surface.

(Problems to be Solved by the Invention) In the above-mentioned conventional lighting device, insertion grooves for the locking pieces formed on both sides of the fixture body are formed at the upper sides of both sides of the engagement groove of the fixture body. However, when the fixture main body was positioned above the engagement groove of the instrument main body, there was a problem that the locking piece could be removed from the insertion groove.

The present invention has been made in view of the above-mentioned problems, and has an embedded structure that prevents the fixture body from being removed from the insertion grooves formed on both sides of the engagement groove even if the fixture body is located above the engagement groove of the instrument body. It provides shaped lighting equipment.

The invention described in claims 2 and 3 prevents the attachment body from being removed from the insertion grooves formed on both sides of the engagement groove even if the attachment body is located above the engagement groove of the instrument body, and prevents the attachment. To provide a recessed lighting fixture in which a fixture body is prevented from being removed from an engagement groove of a fixture body.

[Structure of the invention]

(Means for Solving the Problems) The recessed lighting fixture of the present invention includes a fixture main body in which a vertical engagement groove is formed, and a fixture body that is movably engaged with the engagement groove in the fixture body and is attached to a ceiling surface. It consists of a fixture body that is locked on the inner surface, and the engagement groove formed in the fixture body forms insertion grooves on both sides of the upper part into which the locking pieces formed in the fixture body are inserted, and the fixture body is , a base plate portion, an engagement piece portion that is bent at a substantially right angle from both side edges of the base plate portion and movably engaged with the engagement groove of the instrument body, and tip edges of both of the engagement piece portions. A locking piece portion is bent outward at a substantially right angle at the upper and lower portions thereof and is locked to an outer edge of the engagement groove of the device body, and a top portion of the base plate portion is pressed into contact with the device body. It has a pressure contact piece and a receiving piece that extends from the lower part of the base plate and comes into contact with the inner surface of the ceiling surface. This feature is characterized in that the dimension up to the upper end is longer than the vertical dimension of the locking piece.

The recessed lighting fixture of the invention according to claim 2 includes a fixture body having a vertical engagement groove formed therein, and a fixture body that is movably engaged with the engagement groove of the fixture body and locked to the inner surface of the ceiling surface. The engagement groove formed in the instrument body has insertion grooves on both sides of the upper part into which the locking piece formed in the fixture body is inserted, and the fixture body has a substrate part and , 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 upper and lower portions of the tip edges of both engagement pieces. a locking piece that is bent outward at a substantially right angle and is locked to an outer edge of the engagement groove of the device body; and a pressure contact piece that is pressed against the device body on the top of the base plate. and a receiving piece extending from the lower part of the base plate and abutting against the inner surface of the ceiling surface, and the vertical dimension of the insertion groove of the engagement groove formed in the fixture body is determined by the fixture body. It is characterized by being formed shorter than the vertical dimension of the locking piece.

The recessed lighting fixture of the invention according to claim 3 includes a fixture body having a vertical engagement groove formed therein, and a fixture body that is movably engaged with the engagement groove of the fixture body and locked to the inner surface of the ceiling surface. The engagement groove formed in the instrument body has insertion grooves on both sides of the upper part into which the locking piece formed in the fixture body is inserted, and the fixture body has a substrate part and , 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 upper and lower portions of the tip edges of both engagement pieces. a locking piece that is bent outward at a substantially right angle and is locked to an outer edge of the engagement groove of the device body; and a pressure contact piece that is pressed against the device body on the top of the base plate. , a receiving piece extending from the lower part of the base plate and abutting against the inner surface of the ceiling surface, and forming the width of the insertion groove of the engagement groove formed in the fixture body in the fixture body. The width of the locking piece is shorter than the width of the locking piece.

(Function) In the embedded lighting device of the present invention, both line stopper portions of the fixture body are inserted diagonally through insertion grooves formed on both upper sides of the engagement groove of the device body, and the engagement piece is inserted into the engagement groove, the fixture body is attached to the instrument body so as to be movable along the engagement groove. When the attachment body is moved upward along the engagement groove of the instrument body, the dimension from the position of the insertion groove of the engagement groove of the instrument body to the upper end of this engagement groove is the upper and lower sides of the locking piece. Since it is formed longer than the dimension in the direction, the locking piece of the fixture body will not come out of the insertion groove of the engagement groove.

When installing a device, insert the device body into the mounting hole in the ceiling from below. The fixture body is lowered and the receiving piece is brought into contact with the inner surface of the ceiling surface. In this state,
The weight of the appliance body is pressed against the appliance body by the pressure contact piece, and the appliance body is held on the ceiling surface.

In the recessed lighting fixture according to claim 2, the vertical dimension of the insertion groove of the engagement groove formed in the fixture main body is formed to be shorter than the vertical dimension of the locking piece of the fixture main body, so that the fixture Even if the main body is located in the insertion groove of the engagement groove of the instrument main body, it will not come off.

In the recessed lighting fixture according to claim 3, the width of the insertion groove of the engagement groove formed in the fixture body is formed to be shorter than the width of the locking piece formed in the fixture body. Even if it is located in the insertion groove of the engagement groove of the instrument body, it will not come off.

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

In Fig. 2, ■ is the main body of the instrument, which is formed in a substantially U-shape, and the vertical side walls 2 of the main body 1 are provided with two parallel engagement grooves 3 in the vertical direction, as shown in Fig. 1. Insertion groove portions 4 are formed on both upper sides of the engagement groove 3, respectively.
is formed.

Reference numeral 5 denotes a fixture body which is movably engaged with the picture body fitting grooves 3 of the appliance body 1 and is engaged with the inner surface of the ceiling surface, and this fixture body 5 is molded from a metal plate material, synthetic resin, or the like. , a base plate part 6, left and right engaging pieces 7 which are bent at substantially right angles from both side edges of the base plate part 6 and movably engaged with the engaging grooves 3 of the instrument main body 1, and both of these. Locking piece parts 8 are cut and bent outward at a substantially right angle at the upper and lower parts of the tip edge of the engaging piece part 7, respectively, and are locked to both side edges of the engaging groove 3 of the instrument main body 1. and operation piece portions 9 extending from the tips of both the engagement piece portions 7, respectively. Further, the picture body matching groove 3 extends from the upper edge of the substrate portion 6.
Pressure contact pieces I1. having locking edges 10 formed on both side edges thereof are inserted into the respective side edges of the engagement groove 3 and are locked by being pressed against them. II is provided protrudingly, and both pressure contact pieces I1. I
I is formed into a tapered shape that becomes narrower on the tip side.

Further, the upper edge of this substrate portion 6 is provided with both pressure contact pieces I1. I
An elastic actuating piece 12 whose tip is pressed against the outer surface between the space I and the picture body matching groove 3 is provided in a protruding manner. The elastic actuation piece 12 is brought into contact with the outer surface of the instrument body 1 before the pressure contact piece 11.11 is inserted into and engaged with the engagement groove 3. Further, a planar elastic receiving piece 14 is formed on the lower edge of the base plate 6, extending from the lower part thereof, and coming into contact with the inner surface of the ceiling surface 13. Also, the engagement grooves 3 of the instrument body 1 are formed on both sides of the upper part of the base plate 6 of the fixture body 5.
A hook releasably engaged with the insertion groove 4 formed on both sides of the hook has a claw 15 projecting downward.

The dimension L1 from the position of the insertion groove 4 of the engagement groove 3 of the instrument body 1 to the upper end of this engagement groove 3 is formed longer than the vertical dimension L2 of the locking piece 8, and the instrument body Vertical dimension L of the insertion groove 4 of the engagement groove 3 formed in 1
3 is formed to be shorter than the vertical dimension L2 of the locking piece portion 8 of the fixture body 5, and furthermore, the width dimension L3 of the insertion groove portion 4 of the engagement groove 3 formed in the instrument body 1 is shorter than the vertical dimension L2 of the locking piece portion 8 of the fixture body 5. It is formed shorter than the width dimension of the locking piece L4 formed in 5.

Further, in FIG. 2, reference numeral 16 denotes a reflecting mirror provided in the instrument main body 1, which has an irradiation opening formed on its lower surface, and a peripheral edge I7 formed by bending the lower edge of the reflecting mirror 16 outward is It is attached to the instrument main body 1 by engaging with the inner circumferential step 19 of the edge frame 18 attached to the lower part of the instrument body 1. Further, the reflecting mirror 16
is supported by a support 20 provided on the instrument main body 1, and a lamp 22 attached to a socket 21 provided on the instrument main body 1 is housed in this reflecting mirror 16.

Next, the operation of this embodiment will be explained.

While holding both the engagement pieces 7 of the fixture body 5, insert the operation piece 9 from an oblique direction through the insertion grooves 4 formed on both outer sides of the upper part of the engagement groove 3 of the instrument body 1, and insert the locking piece 9 When the part 8 is also inserted from an oblique direction and the engagement piece part 7 is released from the grip with the engagement piece part 7 inserted into the engagement groove 3, the fixture body 5 is inserted into the instrument body 1 into the engagement groove 3. mounted so as to be movable along the Then, the fixture body 5 is moved upward along the engagement groove 3 of the instrument body 1. At this time, the device body 1
Since the dimension Ll from the position of the insertion groove 4 of the engagement groove 3 to the upper end of this engagement groove 3 is longer than the vertical dimension L2 of the locking piece 8, the locking piece 8 of the fixture body 5 will not come out of the insertion groove 4 of the engagement groove 3. Further, the fixture main body 5 is located in the insertion groove 4 of the engagement groove 3 of the instrument main body 1, so that it will not come off. Furthermore, since the width L3 of the insertion groove 4 of the engagement groove 3 formed in the instrument body 1 is formed shorter than the width L4 of the locking piece 8 formed in the fixture body 5, the fixture body 5 is Even if it is located in the insertion groove 4 of the engagement groove 3 of the main body 1, it will not come off. and,
The hooks formed on both sides of the upper part of the base plate 6 of the fixture body 5 are inserted into the insertion grooves 4 formed on both sides of the upper part of the engagement groove 3 of the fixture body 1, and the hooks 15 are inserted into the hooks 15 and locked. 5 is held at the upper part of the engagement groove 3.

In addition, when installing an appliance, the appliance main body 1 is inserted into the attachment hole 23 of the ceiling surface 13 from below. At this time, since the base plate 6 of the fixture main body 5 is held substantially parallel to the outer surface of the instrument main body 1, the fixture main body 5 can be mounted without the receiving piece 14 coming into contact with the edge of the mounting hole 23. It is pushed through the hole 23. After the fixture main body 5 is inserted into the mounting hole 23, the fixture main body 5 is moved upward, the hook part 15 is removed from the insertion groove part 4, and the fixture main body 5 is moved upward.
is lowered to bring the receiving piece 14 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 image matching grooves 3, the pressing piece 11. II is the engagement groove 3
The fixture body 5 is smoothly lowered without being inserted into the base. When the attachment body 5 is lowered to the lower end of the engagement groove 3, in the case of a relatively heavy appliance 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, and the load applied to this receiving piece 14 causes this receiving piece 14 to
is slid on the ceiling surface 13. And this receiving piece part 14
Due to the load applied to the pressure welding piece 11. It is inserted into the engagement groove 3, and the pressure contact piece I1. The locking edges 10 formed on both side edges of the engagement groove 3 are wedge-shaped and press-contacted with the side edges of the engagement groove 3, and the instrument body 1 is held on the ceiling surface 13 by the fixture body 5. In this state, the fixture body 5 is pushed upwards by the elasticity of the receiving piece 14, and the edge frame 18 attached to the fixture body 1 is in contact with the peripheral edge of the mounting hole 23 in the ceiling surface 13. is maintained. In addition, in the case of a relatively light device such as a downlight, the elastic actuation piece 12 is pressed against the outer surface between the two image fitting grooves 3 before the pressure contact piece 11 is inserted into the engagement groove 3. The instrument main body 1 is held on the ceiling surface 13 by the pressing force of the elastic actuation piece 12.

In addition, when removing the fixture body 1 from the mounting hole 23 in the ceiling surface 5, remove the reflector 16 and then remove the fixture body 1 from the mounting hole 23.
Move the fixture body 5 upward while holding the operation piece 9 of the fixture body 1, and insert the upper sides of the base plate 6 of the fixture body 5 into the insertion grooves 4 formed on both sides of the upper part of the engagement groove 3 of the fixture body 1. By inserting and locking the claw portion 15 into the hook formed in the above, the base plate portion 6 is moved to the outside of the instrument body 1 and attached to the outer surface of the fixture body 5, and in this state, the instrument body 1 is inserted into the mounting hole 23. It can be removed from.

Note that in the structure of the above embodiment, the base plate portion 6 of the fixture main body 5
An elastic actuating piece 12 is protrudingly provided on the holder, and since this elastic actuating piece 12 is pressed against the outer surface between the two image matching grooves 3, the press contact pieces 11, 11 are engaged when the fixture main body 1 moves up and down. The fitting main body 5 can be lowered smoothly without being inserted into the engaging groove 3, and in the case of a relatively light device such as a downlight, the pressure welding piece 11 can be inserted into the engaging groove. 3, the elastic actuating piece 12 is pressed against the outer surface between the two image matching grooves 3, so that the instrument body 1 is held on the ceiling surface 13 by the pressing force of the elastic actuating piece 12. Although the structure described above is not limited to this structure, as shown in Fig. 3,
The elastic actuation piece 12 is not necessarily required.

Further, in the structure of the above embodiment, hooks 15 are formed on both sides of the upper part of the base plate part 6 of the fixture body 5, and these hooks are formed on both sides of the upper part of the engagement groove 3 of the instrument body 1. By inserting and locking into the insertion groove 4, the fixture body 1
Although a structure has been described in which the holder is held at the upper part of the engagement groove 3, the structure is not limited to this structure. As shown in FIG. 4, 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, so that the fixture body 5 It is also possible to have a structure in which it is elastically held in the upper part of the engagement groove 3. In this structure, both engaging pieces 7 are held lightly against elastic force to move the engaging groove 3 of the instrument body 1, and when the engaging grooves 7 are released, both engaging pieces 7 expands with 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 embodiments described above, the structure in which the operation piece part 9 is formed has been described, but the structure is not limited to this, and the structure in which the engagement piece part 7 or the locking piece part 8 also serves as the operation piece part is not limited to this structure. It is also possible to do this.

〔Effect of the invention〕

According to the present invention, when the fixture body is moved upward along the engagement groove of the instrument body, the dimension from the position of the insertion groove part of the engagement groove of the instrument body to the upper end of this engagement groove is locked. Because it is longer than the vertical dimension of the one piece, the locking piece of the fixture body will not come out of the insertion groove of the engagement groove, so when attaching the fixture body to the ceiling, or when attaching the fixture body to the ceiling. When removing from a surface, even if the fixture body is held on top of the fixture body, the fixture body will not come out of the engagement groove, making it easy to attach and remove the fixture body, and improve installation workability. It is possible to improve the

According to the second aspect of the invention, since the vertical dimension of the insertion groove of the engagement groove formed in the instrument body is formed to be shorter than the vertical dimension of the locking piece of the fixture body,
Even if the fixture body is located in the insertion groove of the engagement groove of the instrument body, it will not come off.

According to the third aspect of the invention, the width of the insertion groove of the engagement groove formed in the instrument body is made shorter than the width of the locking piece formed in the fixture body, so that the fixture body Even if it is located in the insertion groove of the engagement groove of the instrument body, it will not come off.

[Brief explanation of the drawing]

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 σ1r diagram of a part of the same lighting fixture. 1. Instrument body, 3. Engagement groove, 4. Insertion groove portion, 5.
・Attachment main body, 6.. Board part, 7.. Engagement piece part, 8.
- Locking piece part, 11... Pressing piece part, 13... Ceiling surface, 14
...Receiver piece. ``Zunshukou''

Claims (3)

[Claims] (1) Consisting of a device body with a vertical engagement groove formed therein, and a fixture body movably engaged with the engagement groove of the device body and latched to the inner surface of the ceiling surface, formed in the device body. The engagement grooves formed on both sides of the upper part form insertion grooves into which the locking pieces formed on the fixture body are inserted, and the fixture body is bent approximately at right angles from both side edges of the base plate and the base plate, respectively. an engagement piece that is bent and movably engaged with the engagement groove of the instrument body; and an engagement piece that is bent outward at a substantially right angle at the top and bottom of the tip edges of both of the engagement pieces, respectively. a locking piece that is locked to the outer edge of the engagement groove of the main body; a pressure contact piece that is pressed against the device main body on the upper part of the base plate; and a pressure contact piece that extends from the lower part of the base plate and the ceiling surface. and a receiving piece that comes into contact with the inner surface of the fixture body, and the dimension from the position of the insertion groove of the engagement groove of the instrument body to the upper end of the engagement groove in the vertical direction of the locking piece of the fixture body. A recessed lighting fixture characterized by being longer than the dimensions of. (2) Consisting of a device body with a vertical engagement groove formed therein, and a fixture body that is movably engaged with the engagement groove of the device body and locked on the inner surface of the ceiling surface, formed in the device body. The engagement grooves formed on both sides of the upper part form insertion grooves into which the locking pieces formed on the fixture body are inserted, and the fixture body is bent approximately at right angles from both side edges of the base plate and the base plate, respectively. an engagement piece that is bent and movably engaged with the engagement groove of the instrument body; and an engagement piece that is bent outward at a substantially right angle at the top and bottom of the tip edges of both of the engagement pieces, respectively. a locking piece that is locked to the outer edge of the engagement groove of the main body; a pressure contact piece that is pressed against the device main body on the upper part of the base plate; and a pressure contact piece that extends from the lower part of the base plate and the ceiling surface. a receiving piece that abuts the inner surface of the fixture body, and the vertical dimension of the insertion groove of the engagement groove formed in the instrument body is formed to be shorter than the vertical dimension of the locking piece of the fixture body. A built-in lighting fixture with the following features: (3) The recessed lighting fixture of the present invention includes a fixture body having a vertical engagement groove formed therein, and a fixture body that is movably engaged with the engagement groove of the fixture body and locked to the inner surface of the ceiling surface. The fitting body includes a base plate portion, and an engagement groove formed in the device body has an insertion groove portion on both sides of the upper portion into which a locking piece portion formed in the fixture body is inserted. Engagement pieces that are bent approximately at right angles from both sides of the base plate and movably engaged with the engagement grooves of the instrument body, and outer edges at the top and bottom of the tip edges of both engagement pieces, respectively. a locking piece that is bent at a substantially right angle toward the instrument body and is engaged with the outer edge of the engagement groove of the instrument body; a pressure contact piece that is pressed against the instrument body on the upper part of the base plate; a receiving piece extending from the lower part of the base plate and abutting against the inner surface of the ceiling surface; A recessed lighting fixture characterized by being formed to be shorter than the width of the stop piece.