JPH08124414A - Recessed luminaire - Google Patents

Abstract

PURPOSE: To quickly, easily conduct a replacing job of a luminescent lamp and cleaning job in a luminaire main body without being bothered by frame control while a frame is surely engaged to an opening of the luminaire main body in a corresponding position to the opening. CONSTITUTION: An engaging part 13 which is detachably engaged by elastic force to a part-to-be-engaged 12 formed on a surrounding wall 1B of a luminaire main body 1 when a frame 3 is moved in close vicinity to a position corresponding to an opening to the luminaire main body 1 is arranged in each of plural portions in the circumferential direction of the frame 3. A hanging member 14 protruding into the luminaire main body 1 when the frame 3 exists in the position corresponding to the opening is attached so as to be capable of swinging around an axis core P perpendicularly crossing to a cylinder axis core of the luminaire main body 1 to one portion in the circumferential direction of the frame 3. When engaging of the engaging part 13 to the part-to-be-engaged 12 is released and the frame 3 is moved along the cylinder axis core direction of the luminaire main body 1 to a releasing position capable of swinging in a hanging posture around the axis core P of the frame 3, a locking part 16 which is detachably locked to the hanging member 14 is arranged on the surrounding wall 1B of the luminaire main body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical luminaire main body which can be mounted in the peripheral edge of a through hole formed in a fixing plate in an embedded state and which is open toward the surface side of the fixing plate. The present invention relates to an embedded lighting fixture in which a frame body having a translucent body or a decorative body is detachably attached to a position corresponding to an opening of a fixture body.

[0002]

2. Description of the Related Art Conventionally, in an embedded luminaire of this type, a plurality of peripheral portions of a frame located at a position corresponding to the opening of the luminaire main body are closed at a plurality of positions in a state where the opening of the luminaire main body is closed. It was fixed with screws to the flange portion on the surface side of the fixing plate or the opening side of the lighting fixture body. However,
When replacing the lighting lamp and cleaning the inside of the lighting fixture body, remove all of the screws that are tightened over the frame and the surface side of the fixing plate or the flange portion of the lighting fixture body, It is necessary to completely remove the frame from the luminaire body and open the opening of the luminaire body,
Also, when the frame body is mounted again in a state where the opening of the lighting fixture body is closed, the lighting fixture body and the frame body must be aligned and fixed with screws.
Due to the complexity of the attachment / detachment work of the frame body and the troublesome management of the removed screws and the frame body, there has been a problem that a lot of labor is required for the replacement work of the illumination lamp and the cleaning work inside the lighting fixture body. Therefore, when the frame body is moved to two positions facing each other in the circumferential direction of the frame body in proximity to the position corresponding to the opening with respect to the lighting equipment body, elastic force is applied to the engaged portion provided on the peripheral wall of the lighting equipment body. A frame mounting structure provided with an engaging portion that engages and disengages with each other (see, for example, Japanese Utility Model Laid-Open No. 54-177094) or at two positions in the circumferential direction of the frame at positions corresponding to the openings. At a certain time, an M-shaped spring wire rod projecting into the lighting fixture main body is laid down toward the projecting posture and the cylinder axial center side around an axial center orthogonal or substantially orthogonal to the cylindrical axial center of the lighting fixture main body. The lighting fixture body is mounted so that the swing can be switched, and when the frame is at the position corresponding to the opening, it is elastically engaged and disengaged with the pair of left and right protruding parts of each spring wire rod on the peripheral wall of the lighting fixture body. The engaging piece and the frame that fit together are elastically engaged with the spring wire from the position corresponding to the opening. Then, when it is pulled out and moved along the axis direction of the cylinder, it is detachably locked to the top of each spring wire to expose an operation space between the peripheral edge of the opening of the lighting fixture body and the frame body. The frame mounting structure that is formed by stamping out the locking piece that holds the frame body in the opened state (for example,
It is conceivable to adopt the above-mentioned embedded illumination device.

[0003]

However, in the case of the above structure, the frame body can be easily attached to the luminaire body by engaging and disengaging the engaged portion on the luminaire body side and the engaging portion on the frame body side. Although it can be attached and detached, when performing the work of replacing the lighting lamp and the cleaning of the inside of the lighting fixture body, the troublesomeness of managing the frame removed from the opening side of the lighting fixture body has not been eliminated, There is still room for improving work efficiency. Further, in the case of the above structure, when the frame body is in the open position, the relative posture of the frame body with respect to the main body of the lighting fixture is almost the same as the posture in the state corresponding to the opening. In order to perform work and cleaning of the interior of the luminaire body, insert a hand into the luminaire body from the direction along the surface side of the fixing plate through the frame and the opening peripheral edge of the luminaire body, and Must be performed while bending, as a result, by temporarily holding the frame body in the lighting fixture body in the open position,
It is possible to eliminate the hassle of managing the frame,
No improvement has been made in terms of improving the efficiency of the replacement work of the lighting lamp and the cleaning work inside the lighting fixture body.

The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to replace the lighting lamp and to improve the interior of the lighting fixture body by devising a mounting structure of the frame body to the lighting fixture body. The point is to provide an embedded luminaire that enables quick and easy cleaning work.

[0005]

The feature of the present invention for achieving the above object is that it can be mounted in the peripheral edge of a through hole formed in a fixed plate in an embedded state, and is directed toward the surface side of the fixed plate. An embedded luminaire in which a frame body having a translucent body or a decorative body is detachably attached to an opening corresponding to the opening of the luminaire body, which is a tubular luminaire body having an opening. At each of a plurality of circumferential positions, when the frame is moved closer to the opening equivalent position with respect to the lighting fixture body,
An engaging portion that engages with an engaged portion provided on the peripheral wall of the lighting fixture main body in an elastically disengageable manner is provided, and the frame body is provided at one position in the circumferential direction of the frame body at a position corresponding to an opening. The hanging member protruding into the luminaire main body is swingably attached about an axis orthogonal or substantially orthogonal to the cylindrical axis of the luminaire main body, and the engaged portion And the engagement portion are disengaged from each other, and the frame body is moved to the open position where the frame body can be swung in a hanging posture around the swing axis. A point is provided on the peripheral wall of the luminaire main body, which has a locking portion that locks in a detachable state with respect to the hanging member when moved along the axial direction.

A cylindrical reflector may be attached to the frame.

The plurality of engaging portions are formed of leaf springs, and each of the engaged portions is formed of a protrusion formed by punching out from a peripheral wall of the lighting fixture body. The locking portion may be formed of a wire rod, and the locking portion may be formed of a projecting piece that is formed by punching out from the peripheral wall of the lighting fixture body.

A receiving portion for swingably holding the wire rod forming the suspending member may be integrally formed with the leaf spring forming the engaging portion.

When the leaf spring forming the engaging portion is attached to the frame body, the holding piece for sandwiching and fixing the translucent body or the decorative body and the reflection plate to the frame body is the engaging member. It may be formed integrally with the joint.

[0010]

According to the structure of the first aspect of the present invention, by simply engaging the engaging portion attached to the frame with the engaged portion provided on the peripheral wall of the main body of the lighting fixture by elastic force, The frame can be securely held at the position corresponding to the opening, and the frame is moved from the position corresponding to the opening to the opening position along the cylinder axis direction against the elastic engagement force between the engaging portion and the engaged portion. When it is moved, the hanging member can be locked to the locking part provided on the peripheral wall of the lighting fixture body to temporarily hold the frame body in the lighting fixture body, so the opening of the lighting fixture body is opened. There is no annoyance in the management of the frame body in the closed state. Moreover, in the state in which the frame body is pulled out to the open position, the frame body is in a hanging posture around the swing axis of the hanging member, and is located at a position displaced toward the peripheral edge side of the opening of the lighting fixture body. Therefore, the opening of the luminaire main body is largely opened in the direction of the cylinder axis of the luminaire main body.
It is possible to comfortably insert a hand in the lighting equipment main body along the tube axis direction.

According to the second aspect of the present invention, when the frame is pulled out to the open position, the reflector itself can be pulled out from the inside of the main body of the luminaire, and the direction of the opening of the reflector is changed. Since the frame can be changed to a direction intersecting with the axial direction of the tube of the main body of the luminaire along with the hanging around the horizontal axis of the frame, that is, the direction in which the hand can be easily inserted into the reflective plate, the entire reflective plate Easy to clean.

According to the third aspect of the present invention, since the engaging portion is composed of the leaf spring, the structure for elastically urging the engaging portion is unnecessary, and the engaged portion and the engaging portion are engaged. Since both the stoppers are formed by punching out from the main body of the luminaire, the number of parts can be reduced and the structure can be simplified, and further, the weight can be reduced by forming the hanging member with a wire rod. it can.

According to the structure of claim 4, a leaf spring is used to integrally form the receiving portion on the leaf spring, so that a separately formed receiving portion is attached to the frame body. It is possible to reduce the number of parts and simplify the structure.

In the case of the structure according to claim 5, the light-transmitting body or the decorative body and the reflecting plate can be sandwiched and fixed only by attaching the leaf spring constituting the engaging portion to the frame body. The attachment can be facilitated and the number of members can be reduced.

[0015]

According to the embedded luminaire of the first aspect of the present invention, the illumination lamp replacement work and the luminaire main body can be carried out while the frame body is securely engaged and held with the opening of the luminaire main body at a position corresponding to the opening. The inner cleaning work can be performed quickly and easily without being bothered by the frame management.

In the embedded luminaire according to the second aspect of the present invention, even if the reflector is attached to the frame, the work of replacing the illuminating lamp and the cleaning of the interior of the luminaire and the reflector is quick and easy. be able to.

The embedded luminaire according to claim 3 can reduce the manufacturing cost and the weight of the entire luminaire.

The embedded luminaire according to claim 4 can reduce the manufacturing cost.

The embedded luminaire according to the fifth aspect can facilitate the assembling of the luminaire and reduce the manufacturing cost.

[0020]

【Example】

[First Embodiment] FIGS. 1 to 4 show a state in which a metallic lighting fixture main body 1 formed in a bottomed cylindrical shape and an opening 2 on one end side in the cylinder axis direction of the lighting fixture main body 1 are closed. A ceiling-embedded luminaire including a circular synthetic resin frame 3 detachably attached to a position corresponding to an opening of the luminaire main body 1 (hereinafter, referred to as a closed position in this embodiment). The luminaire main body 1 has a posture in which the opening 2 of the luminaire main body 1 opens toward the front surface side of a top plate 4 which is an example of a fixing plate, and the periphery of the through hole 5 formed in the top plate 4. It is mounted in the embedded state. A lamp holder 7 to which an illumination lamp 6 such as an incandescent bulb or a krypton bulb is attached is provided on the inner surface of the bottom wall 1A of the lighting fixture body 1. The outer peripheral edge of the flange portion 3A of the frame body 3 is formed to be bent toward the back surface side of the frame body 3, and on the back surface side of the frame body 3, a cylinder having a concentric circular shape with the frame body 3 is formed. The portion 3B is integrally formed, and a circular light projecting hole 3C having a diameter slightly smaller than the inner diameter of the tubular portion 3B is formed in the central portion of the frame 3 surrounded by the tubular portion 3B. Are formed.
Inside the cylindrical portion 3B of the frame body 3, a rubber annular packing 21 having an inner diameter larger than the diameter of the light projecting hole 3C.
And a disk-shaped light-transmitting plate 8 (an example of a light-transmitting body) made of glass or acrylic resin, and a flange portion 9A of a cylindrical reflecting plate 9 that covers the outer periphery of the illumination lamp 6 are fitted in a superposed state. The translucent plate 8 closes the light projecting hole 3C.

A mounting and fixing structure for the through hole 5 of the lighting fixture body 1 will be described. As shown in FIG. 1 and FIG. 4, a pair of T's are provided at positions of the peripheral wall 1B of the luminaire main body 1 facing each other along the tube axis direction of the luminaire main body 1.
The V-shaped mounting holes 10 are formed, and a retaining member 11 is movably mounted in each of the mounting holes 10 along the vertical direction of the mounting holes 10. Each retaining member 11 is configured to be attachable / detachable to / from the luminaire main body 1 via the wide portion of the T-shaped head of each mounting hole 10, and the retaining device 11
Is a retracted posture in which it is hardly pushed outside the lighting fixture main body 1 by a pushing operation to the inside of the lighting fixture main body 1, and when the pulling-out operation is performed to the outside of the lighting fixture main body 1, the proximal end side of the retainer 11 is the lighting fixture. It is configured to be in contact with the peripheral wall 1B of the main body 1 and to be switchable so that the tip end side is in a projecting attitude in which it projects further outward than the peripheral edge of the through hole 5 in the through hole radial direction. Then, with the retaining device 11 in the retracted posture, the luminaire main body 1 is inserted into the through hole 5 of the top plate 4, and the collar portion 1C integrally formed on the opening 2 side of the luminaire main body 1.
To the front side of the top plate 4, and in that state the retaining device 1
When 1 is switched to the projecting posture and the tip end side of the retaining member 11 is pulled down to the opening 2 side until it comes into contact with the rear surface side of the top plate 4, the retaining device 11 is attached to the rear surface side of the top plate 4 and the lighting fixture. The lighting fixture main body 1 is held by the top plate 4 so as not to come off while being held in a stretched state over the peripheral wall 1B of the main body 1. In other words, when the luminaire main body 1 tries to move in the direction of coming out of the through hole 5 with the tip side of the retainer 11 abutting on the back surface side of the top plate 4, the tip of the retainer 11 is moved to the top side. Although a pushing-up action occurs from the back side of the plate 4,
Due to the reaction, the base end side of the retaining device 11 is the lighting fixture body 1
It is configured to be pressed by the peripheral wall 1B to restrict the movement of the retaining member 11.

Next, the frame 3 for the lighting fixture body 1
The mounting structure will be described. As shown in FIG. 5, the mounting hole 1 is formed on the inner surface of the peripheral wall 1B of the lighting fixture body 1.
A projection 12 (an example of an engaged portion) formed in a dogleg shape is provided along the axial direction of the lighting apparatus body 1 at a position having a phase difference of 90 degrees in the circumferential direction from 0. . When the frame body 3 is moved to the closed position with respect to the lighting device body 1 at two locations in the circumferential direction on the outer peripheral surface side of the cylindrical portion 3B of the frame body 3, elastic force is applied to each protrusion 12. A convex leaf spring 13 (an example of an engaging portion) that engages in a disengageable manner is fixed with a screw. Then, as shown in FIG.
The opening 3 of the luminaire main body 1 is closed by the elastic engagement force of the leaf spring 13 with respect to 2, and the flange 3 of the luminaire main body 1 is covered with the frame body 3 so that the frame body 3 is closed.
As shown in FIG. 1, when the frame body 3 is pulled out and moved in the axial direction of the luminaire main body 1 against the elastic engagement force, the projection 12 and the leaf spring 13 are engaged with each other. After the release, the frame 3 is pulled out from the luminaire main body 1, and the opening 2 of the luminaire main body 1 is opened. A rubber annular packing 22 mounted on the flange 3A of the frame 3 is used.
When the frame body 3 is at the closed position with respect to the luminaire main body 1, the frame body 3 is pressed against the flange portion 1C of the luminaire main body 1, and the flange portion 1C of the luminaire main body 1 and the collar portion 3A of the frame body 3 are pressed. It has a sealing function to keep the space between and in an airtight state.

As shown in FIGS. 4 and 5, the mounting base 1 of one of the pair of spring plates 13 is attached.
3A includes a substantially M-shaped spring wire rod 14 (an example of a hanging member) that protrudes into the lighting fixture body 1 when the frame body 3 is in the closed position with respect to the axis of the lighting fixture body 1. Around the axis P orthogonal to each other, swinging between the projecting posture and the lying posture in which the body 3 is laid down to a position where it comes into contact with the outer peripheral edge of the collar portion 3A of the frame body 3 via the outer side of the frame body 3. A pair of left and right outwardly projecting portions 14A formed by bending in a dogleg shape in opposite directions are provided at intermediate portions of both legs of the spring wire member 14 which are freely attached. ing. A pair of left and right outward projecting portions 14 of the spring wire 14 are provided on the peripheral wall 1B of the lighting fixture body 1 when the frame body 3 is in the closed position.
A pair of collapsed L-shaped engagement pieces 15 that engage each of A from the opposite outer sides are formed by stamping. When the frame 3 is in the closed position,
It is engaged with both engagement pieces 15 by elastic force so as to be disengageable, and by the engagement, relative rotation between the lighting fixture body 1 and the frame body 3 around the cylinder axis, and illumination of the frame body 3. The movement of the instrument body 1 in the pull-out direction is restricted. By the restriction of the relative rotation, the engagement between the protrusion 12 and the leaf spring 13 is
The engagement is configured not to be disengaged except for the movement of the frame body 3 in the drawing direction. Further, as shown in FIG. 2, when the frame body 3 is forcibly pulled out along the tube axis center direction with respect to the lighting fixture body 1 from the state where the frame body 3 is in the closed position, the spring wire rod is moved. Both outward projecting portions 14A of 14 are
The engaging pieces 15 move toward each other against the elastic engaging force in a direction toward each other to release the engagement with both the outward protruding portions 14A, and the engaging pieces 15 cause the peripheral wall 1B of the lighting fixture body 1 to move. The movement of the spring wire 14 along the inner surface is guided.

As shown in FIGS. 1, 2 and 5, on the peripheral wall 1B of the luminaire main body 1, the elastic engagement force of the spring wire 14 and the elastic engagement force of the leaf spring 13 are changed from the closed position of the frame body 3. When it is pulled out and moved in the axial direction against the cylinder axis, it is detachably engaged with the inward projecting portion 14B of the top portion of the spring wire 14 so that the peripheral edge of the opening 2 of the luminaire main body 1 and the frame 3 are provided. A projecting piece 1 for holding the frame body in an open state in which an operation space is exposed between
6 (an example of a locking portion) is formed by stamping.

Therefore, as shown in FIGS. 1 and 2, the frame 3 is pulled out from the closed position along the axial direction of the cylinder, and the inwardly projecting portion 14B of the top of the spring wire 14 is projected. In the state in which the frame body 3 is locked at, that is, in the state in which the frame body 3 is located at the open position, the frame body 3 swings in a hanging posture around the axis P, and the opening 2 of the lighting fixture body 1 moves in the cylinder axis direction. And the hand can be inserted into the luminaire main body 1 from directly below the opening 2 of the luminaire main body 1. At this time, the direction of the opening 9B on the side opposite to the frame 3 side of the reflection plate 9 is a direction intersecting the direction of the tube axis of the lighting fixture body 1 in which a hand can be easily inserted into the reflection plate 9. That is, it can be directed obliquely downward.

Next, the mounting structure of the spring plate 13 and the spring wire 14 will be described. As shown in FIGS. 5 to 8, a pair of left and right semi-annular receiving portions 17 are provided at both left and right edges of the mounting base portion 13A of the spring plate 13 so as to have insertion holes along the axis P direction. In the state of being punched out in the state, the both receiving portions 17 of the mounting base portion 13A are located at a position slightly larger than the shaft diameter of the spring wire 14 between the receiving portions 17 and the both receiving portions 17. An inverted L-shaped tongue piece 18 that prevents the swing wire portion 14C of the spring wire 14 inserted into the portion 17 from slipping out in the direction of the axis P is formed.
Each of them is stamped and formed so as to project toward the flange portion 3A side of the frame body 3 when attached to the frame body 3. The base end sides of both legs of the spring wire member 14 are bent outwardly in a state of being positioned on the same axis, and the bent parts are configured as a swing shaft portion 14C with respect to the spring plate 13. Has been done. Then, the swing shaft portions 14C are connected to the receiving portions 1
The spring wire 14 is attached to the spring plate 13 so as to be swingable around the axis P by being inserted and held in the respective springs 7. Further, a method of attaching the spring wire 14 to the spring plate 13 will be described. First, the spring wire rod 14 is set in the laid-down posture, and both swing shaft portions 14 </ b> C of the spring wire rod 14 are sized so that they can be inserted between the receiving portions 17.
The base end side of 4 is elastically moved in the direction of approaching each other against the elastic force. Then, each swing shaft portion 14C is attached to the tongue piece 1.
8 is inserted into the tongue piece 18 from the front end side opening, and the base end side of the spring wire 14 is placed in both receiving portions with the tip end side of each swing shaft portion 14C facing the insertion hole of each receiving portion 17. 17
When the spring wire rod 14 is positioned between them and the elastic movement of the spring wire 14 on the base end side is released, the base end side elastically restores and moves in the separating direction, and the swing shaft portions 14C are inserted into the receiving portions 17.
When the spring wire rod 14 is oscillated from this inserted state to the projecting posture, the portions of the spring wire rod 14 that are continuous with the swing shaft portion 14C are positioned between the receiving portion 17 and the tongue piece 18. Therefore, the two swing shaft portions 14C are prevented from coming off the receiving portion 17 by the side surface of the tongue piece 18 on the side where the spring wire 14 is present.

As shown in FIGS. 5 to 7, the leaf spring 13 is
When the leaf spring 13 is attached to the tubular portion 3B of the frame body 3, the attachment base portion 13A is configured to have a size that allows the leaf spring 13 to enter the tubular portion 3B through the groove 19 formed in the tubular portion 3B. The pressing piece 13B is integrally formed in a bent state, and by the pressing force of the pressing piece 13B on the side of the frame body 3, the packing piece 2 is formed between the pressing piece 13B and the frame body 3.
1, the translucent plate 8 and the reflective plate 9 are sandwiched and fixed so that the frame body 3 is restricted from coming out of the tubular portion 3B.

[Second Embodiment] FIG. 9 shows a modification of the first embodiment, in which the spring wire 14 is formed in a V shape, and the leaf spring 13 is bent at a lower end portion by a pressing piece 13B. In this state, the spring wire rod 1 is formed into a vertically long rectangular shape, and the base end side loop portion 14D of the spring wire rod 14 is locked to the curling portion 13C on the tip end side of the leaf spring 13 to form the spring wire rod 1
4 is attached to the leaf spring 13 so as to be swingable between the projecting posture and the falling posture. On the peripheral wall 1B of the luminaire main body 1, a loop-shaped engagement piece 1 which is inserted in the cylinder axis direction is inserted.
5, a pair of left and right antennal portions of the spring wire 14 are inserted in the engagement piece 15 in a state of being engaged with and disengageable by elastic force. Further, the tip end portions of both antennal portions of the spring wire member 14 are bent outwardly in a state of being located on the same axis line, and the frame body 3 is moved from the position corresponding to the opening of the lighting fixture body 1. When the spring wire 14 is pulled out and moved along the cylinder axis direction against the elastic engaging force of the spring wire 14 and the elastic engaging force of the leaf spring 13, the bent portion 14E of the spring wire 14 is locked to the engaging piece 15. It is configured to hold the frame body 3 in a hanging posture in an open state in which an operation space is exposed between the periphery of the opening 2 of the lighting fixture body 1 and the frame body 3. Therefore, since the engaging piece 15 is also used as the locking portion 16 for the spring wire 14, the projecting piece 16 punched out on the peripheral wall 1B of the lighting fixture body 1 in the first embodiment is omitted. be able to. The pressing piece 13C of the leaf spring 13 is configured to be inserted into the tubular portion 3B through an insertion hole 20 formed through the tubular portion 3B of the frame body 3. Other configurations are the same as in the first embodiment.

[Other Embodiments] As a mounting structure of the lighting fixture main body 1, a collar portion 1C of the lighting fixture main body 1 is used without using the retainer 11.
May be directly fixed to the top plate 4 using nails, screws, or the like. The shape of the luminaire main body 1 is not limited to a cylindrical shape, and may be a rectangular tube shape. Further, the shape of the frame body 3 is a state in which the luminaire main body 1 is mounted at a position corresponding to the opening of the luminaire main body 1. If the shape is such that the collar portion 1C of the lighting fixture body 1 can be blindfolded, the shape is not specified. The reflector 9 may be mounted in the lighting fixture body 1. The leaf springs 13 may be provided at three or more locations in the circumferential direction of the frame body 3. In this case, the same number of the protrusions 12 as the leaf springs 13 are provided on the plate of the peripheral wall 1B of the lighting fixture body 1. It is formed by stamping in a positional relationship with the spring 13 that can be engaged and disengaged. In each of the above-described embodiments, the engaging portion 13 is formed of a leaf spring, and each of the engaged portions 12 is formed of a protrusion formed by punching out from the peripheral wall 1B of the lighting fixture body 1, While the lowering member 14 is made of a spring wire and the locking portion 16 is made of a protruding piece formed by punching out from the peripheral wall 1B of the luminaire main body 1, the present invention is not limited to this configuration. The engaging portion 13 is integrally formed with the tubular portion 3B of the frame body 3, and the engaged portion 1
2 is formed separately, and is fixed to a predetermined position of the peripheral wall 1B of the lighting fixture body 1 by a screw, an adhesive material, welding, or the like, and further, the hanging member 14 is formed of a leaf spring, and the locking portion is formed. 16 are formed separately, and the peripheral wall 1B of the lighting fixture body 1 is formed.
It may be fixed to a predetermined position by means of a screw, an adhesive, welding or the like. In each of the above-described embodiments, the luminaire main body 1 is attached to the top plate 4 in an embedded state, but the present invention is not limited to this configuration, and the luminaire main body 1 is attached to the wall plate in an embedded state. You may implement. In each of the above-described embodiments, the luminaire in which the light projecting hole 3C of the frame body 3 is closed by the disc-shaped translucent plate 8 which is an example of the translucent body has been described as an example. It may be a shade provided with a curved surface projecting to the outside of the device body 1. Further, instead of the translucent body 8, a decorative body including a decorative member such as glass beads or a lattice member may be used.

It should be noted that although reference numerals are given in the claims for convenience of comparison with the drawings, the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a state in which an opening of a lighting fixture body is opened.

FIG. 2 is an enlarged sectional view of a main part.

FIG. 3 is a vertical cross-sectional view showing a state in which the opening of the lighting fixture body is closed.

FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is a perspective view of a main part.

FIG. 6 is a cross-sectional view showing a mounting state of a frame body, an engaging portion, and a hanging member.

7 is a sectional view taken along line VII-VII of FIG.

8 is a sectional view taken along line VIII-VIII of FIG.

FIG. 9 is a sectional view showing a second embodiment.

FIG. 10 is a sectional view taken along line XX of the second embodiment.

[Explanation of symbols]

 1 Lighting Fixture Main Body 1B Peripheral Wall 3 Frame 4 Fixing Plate 5 Through Hole 8 Translucent Body 9 Reflecting Plate 12 Engagement Part (Protrusion) 13 Engagement Part (Plate Spring) 13B Holding Piece 14 Suspension Member (Wire) 16 Engagement Stop part (projection piece) 17 Receiving part P Shaft core

Claims (5)

[Claims] 1. A cylindrical lighting fixture body (1) which can be mounted in a peripheral state of a through hole (5) formed in a fixed plate (4) in an embedded state and which is open toward the surface side of the fixed plate (4). 1) An embedded luminaire in which a frame body (3) provided with a translucent body (8) or a decorative body is detachably attached to a position corresponding to an opening of the luminaire body (1) in 1). A peripheral wall of the luminaire main body (1) when the frame (3) is moved to a position corresponding to an opening with respect to the luminaire main body (1) at each of a plurality of circumferential positions of the frame (3). The engaged portion (12) provided in (1B) is provided with an engaging portion (13) that is disengageably engaged with the elastic body by an elastic force, and at one location in the circumferential direction of the frame body (3), Frame (3)
Is located at a position corresponding to the opening, the hanging member (14) protruding into the luminaire main body (1) is provided with an axis (P) that is orthogonal or substantially orthogonal to the cylindrical axis of the luminaire main body (1). ) Is swingably mounted, and further, the engagement between the engaged portion (12) and the engaging portion (13) is released, and the frame body (3) is attached to the swinging shaft core ( P) When the frame body (3) is moved along the tube axis of the lighting device body (1) to an open position where it can be swung in a hanging posture, the suspension member ( 1
4) Locking part (16) that locks with respect to 4)
An embedded luminaire in which is provided on the peripheral wall (1B) of the luminaire main body (1). 2. The embedded luminaire according to claim 1, wherein a cylindrical reflector (9) is attached to the frame (3). 3. The plurality of engaging portions (13) are composed of leaf springs, and each of the engaged portions (12) is formed by punching out from a peripheral wall (1B) of the lighting fixture body (1). The hanging member (14) is made of a wire, and the locking portion (16) is a peripheral wall (1B) of the lighting device body (1).
The embedded luminaire according to claim 1 or 2, wherein the embedded luminaire comprises a protrusion formed by stamping. 4. A leaf spring constituting the engaging portion (13) is integrally formed with a receiving portion (17) for swingably holding the wire rod constituting the hanging member (14). The embedded lighting fixture according to 3. 5. When the leaf spring constituting the engaging portion (13) is attached to the frame body (3), the light transmissive body (8) or the decorative body is attached to the frame body (3). The reflector (9)
The pressing piece (13B) for holding and fixing the and is the engaging portion (1
The embedded lighting fixture according to claim 3 or 4, which is integrally formed with 3).