JPH0945127A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the execution property by providing a butt section to the lower face of the ceiling, fitting springs hooked on the upper edge sections of burying holes, means fixing the fitting springs to the outer periphery of the luminaire main body, and means releasing the fitting springs after they are inserted into the burying holes. SOLUTION: Hook sections 13 fitted to the outer periphery side section of a luminaire main body 1 at the base end and provided at the upper ends of fitting springs 2 opened outward at the upper end are fixed by the fitted sections 14 of fixing means 3 provided at the outer periphery section of the luminaire main body 1 in advance. The luminaire main body 1 is inserted into the burying hole of the ceiling until a butt section 7 is brought into contact with the ceiling. The projected curve portion of an end piece 11 and a bent portion 12 below it constituting each releasing means 4 are slid on the edge section of the burying hole, the hook section 13 is moved upward and released from the hooked section 14, and the fitting spring 2 is set to the released state. The lower portions of the bent portions 12 of the fitting springs 2 push the upper edge section of the burying hole to excite the luminaire main body 1 upward, and the butt section 7 is pressed and fixed to the lower face of the ceiling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture applied to a downlight or the like.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 16 and 17, an instrument main body 203 which has a contact portion 202 for engaging with the lower surface of the ceiling 200 and is inserted into an embedding hole 201 of the ceiling 200.
There is a downlight including a base end attached to the outer peripheral side of the instrument main body 203 and an attachment spring 204 that is locked to the upper edge of the embedding hole 201 by opening the upper end side outward.

In this downlight, as shown in FIG. 17A, the instrument main body 203 is exposed to the embedding hole 201 of the ceiling 200, and as shown in FIG. 17B, the mounting spring 204 is narrowed to make the instrument main body 203. 17 is inserted into the embedding hole 201 and the instrument main body 203 is pushed in as shown in FIG. 17C, the mounting spring 204 opens and is locked at the upper edge of the embedding hole 201.

[0004]

However, in this lighting apparatus, since the pair of mounting springs 204 must be narrowed when inserting the instrument main body 203 into the embedding hole 201, the instrument main body 203 is large in one hand. However, if the pair of mounting springs 204 cannot be narrowed, the workability is poor.

Therefore, an object of the present invention is to provide a lighting fixture which can improve workability.

[0006]

The luminaire according to claim 1 comprises:
An instrument main body having a contact portion that locks to the lower surface of the ceiling and inserted into the embedding hole of the ceiling, and a base end is attached to the outer peripheral side portion of the instrument main body, and the upper end side opens outward, A mounting spring that locks to the upper edge of the embedding hole, and a fixing means that fixes the upper end of the mounting spring close to the outer peripheral side portion of the instrument body so as to be insertable into the embedding hole; And a releasing means for releasing the upper end of the attachment spring fixed by the fixing means from the instrument body in a state where the instrument body is inserted into the embedding hole.

According to the luminaire of claim 1, with the upper end of the mounting spring fixed to the outer peripheral side of the main body of the fixture by the fixing means, the main body of the fixture is inserted into the embedding hole, and the upper end of the mounting spring is released by the releasing means. When is released from the outer peripheral side of the instrument body, the upper end of the mounting spring expands outward and engages with the edge of the embedding hole in the ceiling, whereby the instrument body is fixed to the ceiling. In this case, since the upper end of the mounting spring is fixed to the outer peripheral side portion of the instrument body by the fixing means and fixed, the work of inserting the instrument body into the embedding hole is facilitated and the workability can be improved.
Therefore, this is effective in the case of a downlight in which the instrument body is large and the pair of mounting springs cannot be narrowed with one hand. Particularly, when the number of mounting springs is 3 or more, the workability is greatly improved as compared with the conventional example.

According to a second aspect of the present invention, there is provided a lighting fixture according to the first aspect, wherein the fixing means is provided on the upper end of the mounting spring, and on the outer peripheral side of the fixture body. The releasing means is configured to contact the ceiling when the instrument body is inserted into the embedding hole to release the engaging portion from the engaged portion.
According to the lighting device of claim 2, in addition to the effect of claim 1,
By inserting the instrument body into the embedding hole, the releasing means comes into contact with the ceiling to release the locking portion from the locked portion, so that workability is further improved.

According to a third aspect of the present invention, in the lighting apparatus according to the second aspect, one of the locking portion and the locked portion is a locking claw, and the other is a locking claw that is removably engaged. The releasing means is a stopper, and when the mounting spring is inserted into the embedding hole of the instrument body, the middle portion of the mounting spring is pushed against the edge of the embedding hole so that the locking portion is upward. The intermediate portion of the attachment spring is projected outward so as to be released from the locked portion by moving to.

According to the lighting equipment of claim 3, in addition to the effect of claim 2, when the body of the equipment is inserted into the embedding hole, the middle portion of the mounting spring is pushed and locked by the edge of the embedding hole. By moving the portion upward, the portion is released from the locked portion, so that workability is further improved. According to a fourth aspect of the present invention, in the third aspect, the upper end side of the mounting spring is formed to have a narrow width.

According to the lighting equipment of claim 4, in addition to the effect of claim 3, in the state where the upper end of the mounting spring is fixed to the main body of the equipment by the fixing means, the middle portion of the mounting spring is bent further outward. Since it is easily pushed by the edge of the embedding hole, the releasing operation of the releasing means is performed more reliably. The lighting fixture according to claim 5 is a receiving fixture according to claim 2, wherein the releasing means is a receiver hinged to the outer peripheral side portion of the fixture main body so as to be vertically rotatable. Is provided on the receiving member such that the receiving member is in a substantially horizontal posture in a state where the locking portion is locked, and the receiving member contacts the ceiling when the instrument body is inserted into the embedding hole. By contacting and rotating downward, the locking portion is released.

According to the lighting equipment of claim 5, it has the same effect as that of claim 2. According to a sixth aspect of the present invention, in the first aspect, the releasing means is a manual type. Claim 6
According to this lighting fixture, there is the same effect as in claim 1. The lighting fixture of claim 7 is the lighting fixture according to claim 6, wherein the fixing means is provided on an upper end of the mounting spring, and the fixing portion is provided on the outer peripheral side portion of the fixture main body. The releasing means releases one of the locking portion and the locked portion with respect to the other.

According to the lighting equipment of claim 7, it has the same effect as that of claim 6. The lighting fixture according to claim 8 is the lighting fixture according to claim 7, wherein the locking portion is a locking claw, the locked portion is a locking hole, and the releasing means is provided in the fixture body. It is an operation piece provided at the tip. According to the lighting fixture of claim 8, it has the same effect as that of claim 2.

According to a ninth aspect of the present invention, in the lighting apparatus according to the sixth or seventh aspect, the releasing means is a push-up portion which is provided on the mounting spring and pushes up an upper end of the mounting spring. According to the luminaire of claim 9, it has the same effect as claim 6 or claim 7. The lighting device according to claim 10 is the lighting device according to claim 6 or 7, wherein the releasing means is a hook portion that is provided on the mounting spring and that is hooked on an edge portion of the embedding hole by inserting the device body. It is a thing.

According to the lighting equipment of claim 10, claim 6
Alternatively, it has the same effect as that of claim 7. According to an eleventh aspect of the present invention, in the luminaire according to the seventh aspect, the mounting spring has at least one pair, and the releasing means simultaneously releases the at least one pair of mounting springs. According to the lighting equipment of claim 11, it has the same effect as that of claim 7. According to a twelfth aspect of the present invention, in the eleventh aspect of the present invention, the releasing means performs a releasing operation by pushing the instrument body upward.

According to the lighting equipment of claim 12, claim 1
It has the same effect as 1. A lighting fixture according to claim 13 is the lighting device according to claim 1.
In 2, the instrument body has a reflection plate, and the releasing means is interlocked with an attaching operation of the reflection plate to the instrument body. According to the lighting equipment of claim 13, it has the same effect as that of claim 12.

According to a fourteenth aspect of the present invention, in the eleventh aspect of the present invention, the releasing means performs a releasing operation by a lateral slide operation of the instrument body. According to the lighting equipment of claim 14, it has the same effect as that of claim 11. Claim 15
15. The lighting fixture according to claim 14, wherein the releasing means also serves as a lighting device mounting base slidably provided laterally on the lighting device main body, and the locked portion of the fixing means serves as the lighting device mounting base. It is provided.

According to the lighting equipment of claim 15, claim 1
It has the same effect as 4. A lighting fixture according to claim 16 is the lighting device according to claim 1.
In No. 1, the releasing means is released by a rotating operation. According to the lighting equipment of claim 16, it has the same effect as that of claim 11. The lighting fixture according to claim 17, wherein the releasing means is provided in the fixture main body, and the rotating shaft has an operating knob in the fixture main body, and the rotating arm attached to the rotating shaft. The locked portions of the fixing means are provided at both ends of the rotating arm.

According to the luminaire of claim 17, claim 1
It has the same effect as 6.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. That is, this lighting fixture has a fixture body 1, a mounting spring 2, a fixing means 3, and a releasing means 4. As shown in FIG. 2, the instrument body 1 has a contact portion 7 that engages with the lower surface of the ceiling 5 and is inserted into the embedding hole 6 of the ceiling 5. In the embodiment, the contact portion 7 has a ring shape whose outer diameter is larger than the diameter of the embedding hole 6 of the ceiling 5 and abuts on the lower surface of the ceiling 5, and the fixture body 1 has both ends erected on the contact portion 7. A vertical frame 8 having a gate shape that can enter the embedded hole 6 and a top plate 9 attached to the upper end of the vertical frame 8.

The attachment spring 2 is attached to the upper edge of the embedding hole 6 by attaching the base end to the outer peripheral side of the instrument body 1 and opening the upper end outward. In the embodiment, FIG. 2C is used.
As shown in FIG. 3, a downwardly-shaped one end piece 10 formed in a generally square-vein shape using a leaf spring is attached to a substantially intermediate height of the outer side surface of the vertical frame 8 which is the outer peripheral side portion of the instrument body 1, and is directed upward. The other end piece 11 has become overhanging from the outer side surface. The other end piece 11 is bent in a dogleg shape so as to be further convex outward, and when the other end piece 11 is in a released state, the lower side of the other end piece 11 is below the bent portion 12 at the edge of the embedding hole 6. The dimensional relationship is set so as to lock. Further, the upper end side of the other end piece 11 of the mounting spring 2 is formed to have a narrow width so that it protrudes outwardly in a convex curve and its tip 16 is folded back outward.

The fixing means 3 fixes the upper end of the mounting spring 2 close to the outer peripheral side of the instrument body 1 so that it can be inserted into the embedding hole 6. In the embodiment, the locking portion 13 is provided on the upper end of the mounting spring 2, and the locked portion 14 is provided on the outer peripheral side of the instrument body 1 for locking the locking portion 13. Is a locking claw formed downward in a hook shape, and is formed by cutting and raising the mounting spring 2. Further, the locked portion 14 is a lock receiving portion to which the locking portion 13 is detachably engaged, and is formed so that the locking claw is caught between the pair of holes 14a and 14b into which the locking claw can be inserted. There is.

The releasing means 4 releases the upper end of the mounting spring 2 fixed by the fixing means 3 from the instrument body 1 with the instrument body 1 inserted in the embedding hole 6. In the embodiment, when the instrument body 1 is inserted into the embedding hole 6, the ceiling 5 is contacted to release the locking portion 13 from the locked portion 14. Specifically, the mounting spring 2 is When it is inserted into the embedding hole 6 of No. 1, the intermediate portion of the mounting spring 2 is pushed by the edge portion of the embedding hole 6 and the engaging portion 13 moves upward so that the engaging portion 13 is released from the engaged portion 14. , The middle portion of the mounting spring 2 is projected outward, and when inserting the instrument body 1 into the embedding hole 6, the narrow width of the tip of the mounting spring 2 that slides along the edge of the embedding hole 6 The curved portion 12 and the bent portion 12 are formed.

In FIG. 1, the upper end of the mounting spring 2 approaches the outer peripheral side surface of the instrument body 1 against the spring force, and the locking portion 1
3 is in a state of being hooked on the locked portion 14. Figure 2 (a)
In this state, the instrument body 1 is exposed to the embedding hole 6. FIG. 2B shows a state in which the instrument body 1 is partially inserted into the embedding hole 6, and the upper end portion of the mounting spring 2 has entered the embedding hole 6. FIG. 2C shows a state in which the instrument body 1 is further pushed into the embedding hole 6 and the contact portion 7 is in contact with the lower surface of the ceiling 5. By the operation from FIG. 2B to FIG. 2C, the convex curved portion of the other end piece 11 constituting the releasing means 4 of the mounting spring 2 and the bent portion 12 therebelow are the edge portion of the embedding hole 6. Sliding, and at this time, these portions are pressed toward the center of the instrument body 1, so that the locking portion 13 of the mounting spring 2 moves upward and is positioned in the release hole 14a from the locked portion 14. It will be released.
Further, as the instrument main body 1 moves upward, the other end piece 11 side of the mounting spring 2 is pulled out from the hole 14a and outwardly bulged by a restoring force, whereby the lower portion of the bent portion 12 of the mounting spring 2 is formed. Pushes the upper edge of the embedding hole 6 to urge the instrument body 1 upward, and press the contact portion 7 against the lower surface of the ceiling 5.
In this way, the instrument body 1 is fixed to the ceiling 5.

According to this embodiment, as described above, the tool body 1 is inserted into the embedding hole 6 with the upper end of the mounting spring 2 fixed to the outer peripheral side of the tool body 1 by the fixing means 3. , The upper end of the mounting spring 2 is moved to the instrument body 1 by the releasing means 4.
When released from the outer peripheral side portion, the upper end of the mounting spring 2 expands outward and is locked to the edge portion of the embedding hole 6 of the ceiling 5, whereby the instrument body 1 is fixed to the ceiling 5.

In this case, since the upper end of the mounting spring 2 is fixed by the fixing means 3 so as to approach the outer peripheral side of the instrument body 1,
The work of inserting the instrument body 1 into the embedding hole 6 becomes easy, and the workability can be improved. Therefore, the instrument body 1
This is effective in the case of a downlight in which the pair of mounting springs 2 is too large to be narrowed with one hand. Particularly, when the number of mounting springs is 3 or more, the workability is greatly improved as compared with the conventional example.

By inserting the instrument main body 1 into the embedding hole 6, the releasing means 4 comes into contact with the ceiling 5 to release the locking portion 13 from the locked portion 14, so that the workability is further improved. . Furthermore, since the upper end side of the mounting spring 2 is formed to be narrow,
While the upper end of the mounting spring 2 is fixed to the instrument body 1 by the fixing means 3, the middle portion of the mounting spring 2 is bent more to the outside and easily pushed by the edge of the embedding hole 6, so that the releasing means 4 is The release operation is performed more reliably.

Incidentally, the engaged portion 14 is provided on the mounting spring 2,
The instrument body 1 may be provided with the locking portion 13. FIGS. 3 and 4 show a second embodiment of the present invention. That is, this lighting device is the release means 4 in the first embodiment.
Is a receiving member 17 hinged to the outer peripheral side of the instrument body 1 so as to be vertically rotatable, and the locked portion 1 of the fixing means 3 is
4 is provided on the receiving member 17 such that the receiving member 17 is in a substantially horizontal posture with the locking portion 13 locked, and the receiving member 17 is mounted on the ceiling 5 when the device body 1 is inserted into the embedding hole 6. The locking portion 13 is released by abutting and rotating downward.

In the embodiment, the receiving member 17 has the outer edge portion of the central piece of the substantially U-shaped flat plate attached to the outer peripheral side portion of the instrument body 1 by the hinge 18. The locked portion 14 is formed by a locking claw, and the locking claw is formed by cutting and raising both sides of the inner back portion of the U-shaped flat plate. The engaging portion 13 is formed so as to be engageable with the engaging claw by a pair of notch-like engaging grooves formed on both sides of the upper end of the mounting spring 2. With the receiving tool 17 in a substantially horizontal posture, the locking claws of the locked portion 14 are tilted substantially vertically or toward the center of the instrument body 1, and the locking portion 13 that is a locking groove is received in the receiving tool 17
When it is inserted into the inside of and is locked to the locked portion 14, the upper end of the mounting spring 2 is fixed to the instrument body 1. Since the locking portion 13 has a biasing force in the horizontal direction or in a direction downward from the horizontal due to the spring force of the mounting spring 2, the locking portion 13 does not accidentally disengage from the locked portion 14. On the other hand, when the receiving member 17 constituting the releasing means 4 is rotated from the horizontal posture to the hanging posture, the locking portion 13 is disengaged from the locked portion 14, and the mounting spring 2 is released.

FIG. 5A shows a state in which the locking claw is hooked in the locking groove in advance to expose the instrument body 1 to the embedding hole 6, and FIG. 5B shows the instrument body 1 in the embedding hole 6. Partially inserted, receiver 1
In the state where 7 is in contact with the lower surface of the ceiling 5, in the same figure (c), by further pushing the instrument main body 1 into the embedding hole 6, the receiving tool 17 is blocked by the ceiling 5 and pivotally hung downward to be mounted. Through the embedded hole 6 together with the spring 2, the mounting spring 2 is released by the operation of the receiving tool 17 at this time, and the mounting spring 2 is released.
Has an upper end portion that extends outward and is locked to the upper edge portion of the embedding hole 6.

Other than that, the upper end of the mounting spring 2 is not narrowed, and it is the same as that of the first embodiment. The locked portion 14 may be formed by a locking groove and the locking portion 13 may be formed by a locking claw that locks in the locking groove. A third embodiment of the present invention is shown in FIGS. That is, in this luminaire, the release means 4 in the first embodiment is a manual type. The manual release means 4 is an operation piece for releasing one of the locking portion 13 and the locked portion 14 with respect to the other. In the embodiment, the locking portion 13 is cut and raised in the mounting spring 2. It is a locking claw, and the locked portion 14 is used as a locking hole, the locking claw is locked to the edge of the locking hole, and the operation piece is provided inside the instrument body 1 at the tip of the locking claw.

FIG. 7 (a) shows a state in which the general locking portion 13 is hooked on the locked portion 14 and the instrument body 1 is inserted into the embedding hole 6, and FIG. 7 (b) shows the instrument body 1 embedded. The state in which the contact portion 7 is completely inserted into the insertion hole 6 and the contact portion 7 is in contact with the ceiling 5, and FIG. 7C shows the state in which the operating piece of the releasing means 4 is operated to release the mounting spring 2. The means 4 releases the locking claw from the locking hole by pushing up from inside the instrument body 1 with a finger.
As a result, the mounting spring 2 expands outward and engages with the upper edge of the embedding hole 6, so that the instrument body 1 can be fixed to the ceiling 5.

Others are the same as those in the first embodiment.
A fourth embodiment of the present invention is shown in FIGS.
That is, in this lighting apparatus, in the first embodiment, the locking portion 13 is formed by the downwardly hooked locking claw, and the locked portion 14 is locked by the locking claw at the edge. It is formed by a locking hole. The releasing means 4 is a push-up portion that is provided on the mounting spring 2 and pushes up the upper end of the mounting spring 2. The push-up portion also serves as a catching portion that is provided on the mounting spring 2 and that catches on the upper edge of the embedding hole 6 when the instrument body 1 is inserted.

In the embodiment, a vertically long mounting hole 23 for mounting the base end portion of the mounting spring 2 is formed in the vertical frame 8 of the instrument body 1,
The contact piece 24 is arranged on the back side of the instrument body 1 and the mounting hole 23
The contact piece 24 and the base end portion 2a of the mounting spring 2 are connected to each other by a connecting tool 25. As a result, the base end 2a of the mounting spring 2 and the contact piece 24 can slide vertically along the mounting hole 23, and the locking portion 13 can be disengaged from the locked portion 14.

FIG. 9A shows a state in which the locking portion 13 is locked to the locked portion 14 in advance and the instrument body 1 is inserted into the embedding hole 6. FIG. 9B shows a state in which, after the upper end of the mounting spring 2 is inserted into the embedding hole 6, the pushing-up portion which is the releasing means 4 of the mounting spring 2 is pushed up as indicated by the arrow. At this time, the base end portion 2 a of the mounting spring 2 slides along the mounting hole 23, and the locking portion 13 is disengaged from the locked portion 14. FIG. 9C shows a state in which the instrument body 1 is further inserted into the embedding hole 6, and the attachment spring 2 releases the device body 1 to lock it in the embedding hole 6 of the ceiling 5.

On the other hand, in FIG. 9B, the instrument body 1
Even after the tool body 1 is completely inserted into the embedding hole 6 and the push-up portion that also serves as the catching portion is engaged with the upper edge portion of the embedding hole 6, the instrument body 1 is pulled downward. Is raised, the locking portion 13 is disengaged from the locked portion 14. In addition, although the mounting spring 2 is configured to be slidable in the embodiment, the base end portion 2a is fixed and the push-up portion of the bent portion 12 of the mounting spring 2 is manually pushed, or the instrument body 1 is mounted on the ceiling. 5, the hooking portion is locked to the edge portion of the embedding hole 5 to elastically deform the mounting spring 2, and the locking portion 13
May be removed from the locked portion 14.

The other structure is similar to that of the first embodiment. FIG. 10 and FIG. 1 show a fifth embodiment of the present invention.
It is shown in FIG. That is, in this lighting fixture, in the first embodiment, the releasing means 4 simultaneously releases at least a pair of mounting springs. The releasing means 4 is released by pushing the instrument body 1 inward. In the embodiment, the lamp socket 19 is hung on the top plate 9 of the instrument body 1, the ring portion 21 slidably inserted into the lamp socket 19 and the pair of arms 2 extending from the ring portion 21.
0, and an engaged portion 14 using an engaging claw is provided at the tip of the arm 20. The locking portion 13 is the mounting spring 2
A pair of holes formed in the above-described structure serves as a lock receiver formed between them. By raising the ring portion 21 slidably along the lamp socket 19, the pair of locking portions 13
Therefore, the pair of locked portions 14 can be simultaneously removed.

FIG. 11A shows the mounting spring 2 in advance.
The locking part 13 is locked to the locked part 14. FIG. 11B shows a state in which the instrument body 1 is completely inserted into the embedding hole 6. In this state, the ring portion 21 is raised as shown by the arrow. (C) of the figure is a state in which the ring portion 21 is lifted and the mounting spring 2 is released, and the mounting spring 2 is locked to the upper edge of the embedding hole 6 of the ceiling 5 so that the instrument body 1 is fixed to the ceiling 1. Fixed to.

Others are the same as those in the first embodiment.
In this embodiment, the locking portion 1 of the mounting spring 2
3 may be formed by a locking claw, and the locked portion 14 provided on the arm 20 may be formed by a locking hole. In addition, the ring portion 21
Not only in the case of manually operating the ring, but also when the ring portion 21 is interlocked and lifted by attaching a trumpet-shaped reflector (not shown) to the instrument body 1 via a mounting spring (not shown), for example. Good.

A sixth embodiment of the present invention is shown in FIGS. That is, in this lighting fixture, in the first embodiment, the releasing means 4 is operated by the lateral slide operation of the fixture main body 1, and the lighting device slidably provided on the side of the fixture main body 1. The locked portion 14 of the fixing means 3 is also provided on the lighting device mounting base 25, which also serves as the mounting base 25, and the locking part 13 which is the upper end of the mounting spring 2 can be engaged and disengaged by sliding the lighting device mounting base 25. It is locked to the lighting device mount 25.

In the embodiment, the instrument body 1 has a substantially cylindrical reflecting plate 35 having an opening at the lower end, and the reflecting plate 3
A lamp insertion hole 30 is formed in the side portion of the lamp 5, and a lighting device mount 25 is slidably provided on the fixture body 1. The lighting device mount 25 has a lamp socket or the like. The lighting device mount 25 includes an entry portion 32 that is inserted into the instrument body 1 from the side of the instrument body 1, and a long hole 33 formed in the entry portion 32 and long in the sliding direction.
And a pin 34 provided in the instrument body 1 and inserted into the long hole 33. This lighting device mounting base 25 is a reflection plate 35.
May be supported on the upper end of the pin 34, or a support piece may be provided at the tip of the pin 34 to be slidably held by the pin 34.

With such a configuration, the lighting device mounting base 2
When 5 is slid in the direction of the arrow in FIG. 12 and in the opposite direction, the elongated hole 33 moves within the range regulated by the pin 34. In addition, the lighting device mount 25 is connected to the locked portion 14
The V-shaped locking claws project outward from the side portion of the support 31. On the other hand, the mounting springs 2 are provided on both side surfaces of the vertical frame 8 of the instrument body 1, and the upper end of the mounting spring 2 serving as the locking portion 13 is locked to the locked portion 14.

In FIG. 12, the mounting spring 2 has the lighting device mounting base 25.
In this state, the fixture body 1 is inserted into the embedding hole 5 with the lighting device mount 25 facing upward. FIG. 13 shows a state in which the lighting device mounting base 25 is manually slid after the fixture body 1 is inserted into the embedding hole 4, and the locking claws of the locked portion 14 are disengaged from the mounting spring 2, so that the mounting spring 2 Is released. The lighting device mount 25
The lighting device may be returned to the original state and used for lighting, or the lighting device mount 25 may be used without being returned.

Others are the same as those in the first embodiment.
A seventh embodiment of the present invention is shown in FIGS. 14 and 15. That is, in this luminaire, in the first embodiment, the releasing means 4 is released by a rotating operation. In the embodiment, the releasing means 4 is provided in the instrument body 1 and has the rotating shaft 37 having the operation knob 40 in the instrument body 1, and the rotating arm 38 attached to the rotating shaft 37.
And a locking portion 1 at the upper end of the mounting spring 2 of the fixing means 3.
The locked portions 14 for receiving the locking of 3 are provided at both ends of the rotating arm 38. The lighting device mount 25 is attached to the reflection plate 35.

FIG. 14 shows a state in which the locking portion 13 of the mounting spring 2 is locked to the locked portions 14 provided at both ends of the rotating arm 38 of the releasing means 4, and the instrument body 1 is embedded in this state. By inserting it into the hole 6 and then operating the operating knob 40, the rotating arm 38 is rotated as shown in FIG. 15 to disengage the locked portion 14 from the locking portion 13 and release the attachment spring 2, and the instrument body. 1
Is fixed to the ceiling 5.

Others are similar to those of the first and sixth embodiments.

[0047]

According to the luminaire of the first aspect, since the upper end of the mounting spring is fixed to the outer peripheral side of the main body of the fixture by the fixing means, the work of inserting the main body of the fixture into the embedding hole becomes easy. The workability can be improved. Therefore,
This is effective in the case of a downlight where the instrument body is large and the pair of mounting springs cannot be narrowed with one hand. Particularly, when the number of mounting springs is 3 or more, the workability is greatly improved as compared with the conventional example.

According to the lighting fixture of claim 2, in claim 1, the fixing means is provided with a locking portion provided at an upper end of the mounting spring and with the engaging portion provided at the outer peripheral side portion of the fixture body. The unlocking part comprises a locked part for locking the stop part, and the releasing means contacts the ceiling to release the locking part from the locked part when the device body is inserted into the embedding hole. In addition to the effect of the first aspect, by inserting the instrument body into the embedding hole, the releasing means comes into contact with the ceiling to release the locking portion from the locked portion, so that the workability is further improved.

According to the lighting fixture of claim 3, in claim 2, one of the locking portion and the locked portion is a locking claw, and the other of the locking claws is detachably engaged. When the mounting spring is inserted into the embedding hole of the device body, the middle portion of the mounting spring is pushed against the edge of the embedding hole, and the engaging portion is the engagement portion. Since the intermediate portion of the mounting spring is projected outward so as to be released from the locked portion by moving upward, in addition to the effect of claim 2, the instrument body is embedded in the embedding hole. When inserted, the middle portion of the mounting spring is pushed by the edge portion of the embedding hole and the locking portion moves upward, so that the locking spring is released from the locked portion, further improving the workability.

According to the lighting equipment of claim 4, in claim 3, since the upper end side of the mounting spring is formed to have a narrow width, in addition to the effect of claim 3, the upper end of the mounting spring is fixed by the fixing means. In the state of being fixed to, the middle portion of the mounting spring is bent more to the outside and easily pushed by the edge portion of the embedding hole, so that the releasing operation of the releasing means is performed more reliably. According to the lighting fixture of claim 5, in claim 2, the releasing means is a receiver hinged to the outer peripheral side portion of the fixture body so as to be vertically rotatable. The stopper is provided on the receiver so that the receiver is in a substantially horizontal position when the stopper is locked, and the ceiling is provided when the receiver inserts the instrument body into the embedding hole. Since the locking portion is released by abutting against and rotating downward, the same effect as in claim 2 is obtained.

According to the lighting equipment of claim 6, in claim 1, since the releasing means is of a manual type, it has the same effect as that of claim 1. According to the lighting fixture of claim 7, claim 6
In the above, the fixing means includes a locking portion provided on the upper end of the mounting spring and a locked portion provided on the outer peripheral side portion of the instrument body for locking the locking portion, and the releasing means Has the same effect as claim 6, because one of the locking portion and the locked portion is released from the other.

According to the lighting fixture of claim 8, in claim 7, the locking portion is a locking claw, the locked portion is a locking hole, and the releasing means is provided in the main body of the lighting equipment. Since the operation piece is provided at the tip of the locking claw, the same effect as in claim 2 is obtained. According to the lighting equipment of claim 9, in claim 6 or claim 7, the release means is a push-up portion which is provided on the mounting spring and pushes up an upper end of the mounting spring. It has the same effect as 7.

According to the lighting equipment of claim 10, claim 6 is provided.
Alternatively, in claim 7, since the releasing means is a catching portion that is provided on the mounting spring and is caught by the edge of the embedding hole by inserting the instrument body, the same effect as that of claim 6 or 7 is obtained. There is. According to the luminaire of claim 11, in claim 7, the mounting spring has at least one pair, and the releasing means simultaneously releases at least one pair of mounting springs. Therefore, the same effect as in claim 7 is obtained.

According to the lighting equipment of claim 12, claim 1
In the first aspect, since the releasing means performs the releasing operation by pushing the instrument body upward, the same effect as in claim 11 is obtained. According to the lighting fixture of claim 13, claim 12
In the above, since the instrument body has a reflection plate, and the releasing means is interlocked with the attaching operation of the reflection plate to the instrument body, the same effect as claim 12 is obtained.

According to the lighting equipment of claim 14, claim 1
In the first aspect, since the releasing means performs the releasing operation by the sliding operation of the instrument body to the side, the same effect as claim 11 is obtained. According to the lighting equipment of claim 15, claim 14 is provided.
The release means also serves as a lighting device mounting base slidably provided laterally on the fixture body, and the locked portion of the fixing means is provided on the lighting device mounting base. It has the same effect as 14.

According to the lighting equipment of claim 16, claim 1
In the first aspect, since the releasing means performs the releasing operation by the rotating operation, it has the same effect as the eleventh aspect. According to the lighting equipment of claim 17, in claim 16, the releasing means is provided in the equipment body and has a rotation shaft having an operation knob in the equipment body; and a rotation shaft attached to the rotation shaft. Since the locked portion of the fixing means is provided at both ends of the rotating arm, it has the same effect as claim 16.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

FIG. 2 is a diagram for explaining the operation of mounting the apparatus body on the ceiling.

FIG. 3 is a perspective view of a second embodiment.

FIG. 4 is a partial perspective view showing a receiver.

FIG. 5 is an explanatory view of the operation of mounting the apparatus body on the ceiling.

FIG. 6 is a perspective view of a third embodiment.

FIG. 7 is a diagram for explaining the operation of mounting the apparatus body on the ceiling.

FIG. 8 is a perspective view of a fourth embodiment.

FIG. 9 is an explanatory view of an operation of mounting the apparatus body on the ceiling.

FIG. 10 is a perspective view of a fifth embodiment.

FIG. 11 is a diagram for explaining the operation of mounting the apparatus body on the ceiling.

FIG. 12 is a perspective view of a sixth embodiment.

FIG. 13 is a perspective view showing a state where the lighting device mount is slid.

FIG. 14 is a perspective view of a seventh embodiment.

FIG. 15 is a perspective view of a state in which a rotating arm is rotated.

FIG. 16 is a perspective view of a conventional example.

FIG. 17 is an operation explanatory view of the ceiling mounting.

[Explanation of symbols]

 1 Instrument Main Body 2 Mounting Spring 3 Fixing Means 4 Release Means 5 Ceiling 6 Embedding Hole 7 Contact Part 13 Locking Part 14 Locked Part 17 Receiving Tool 25 Lighting Device Mounting Base 37 Rotating Shaft 38 Rotating Arm 40 Operation Knob

Claims (17)

[Claims] 1. An instrument main body having a contact portion that engages with a lower surface of a ceiling and inserted into an embedding hole of the ceiling, and a proximal end is attached to an outer peripheral side portion of the instrument main body and an upper end side is outward. A mounting spring that locks to the upper edge of the embedding hole by opening it, and the upper end of the mounting spring approaches and closes to the outer peripheral side of the instrument body so that the mounting spring can be inserted into the embedding hole. And a releasing means for releasing the upper end of the mounting spring fixed by the fixing means from the fixture body in a state where the fixture body is inserted into the embedding hole. 2. The fixing means includes a locking portion provided on an upper end of the mounting spring, and a locked portion provided on the outer peripheral side portion of the instrument body for locking the locking portion. The lighting device according to claim 1, wherein the releasing means abuts on the ceiling to release the locking portion from the locked portion when the lighting device body is inserted into the embedded hole. 3. One of the locking portion and the locked portion is a locking claw, and the other is a locking receiver with which the locking claw is releasably engaged, and the releasing means is the mounting means. When the spring is inserted into the embedding hole of the instrument body, the intermediate portion of the mounting spring is pushed by the edge of the embedding hole and the engaging portion moves upward to move from the engaged portion. To release
The lighting device according to claim 2, wherein the intermediate portion of the mounting spring is configured to protrude outward. 4. The lighting device according to claim 3, wherein the upper end side of the mounting spring is formed to have a narrow width. 5. The releasing means is a receiver hinged to the outer peripheral side portion of the instrument body so as to be vertically rotatable, and the locked portion of the fixing means is locked by the locking portion. Is provided in the receiving device so that the receiving device is in a substantially horizontal position in the above state, and the receiving device contacts the ceiling and rotates downward when the device body is inserted into the embedding hole. The lighting fixture according to claim 2, wherein the locking portion is released by means of. 6. The luminaire according to claim 1, wherein the releasing means is of a manual type. 7. The fixing means includes a locking portion provided on an upper end of the mounting spring, and a locked portion provided on the outer peripheral side portion of the instrument body to lock the locking portion, The lighting device according to claim 6, wherein the releasing means releases one of the locking portion and the locked portion with respect to the other. 8. The locking part is a locking claw, the locked part is a locking hole, and the releasing means is an operation piece provided at the tip of the locking claw in the instrument body. The luminaire according to claim 7, which is provided. 9. The luminaire according to claim 6, wherein the releasing means is a push-up portion provided on the attachment spring and pushing up an upper end of the attachment spring. 10. The luminaire according to claim 6, wherein the releasing means is a hooking portion provided on the mounting spring and hooked on an edge portion of the embedding hole by inserting the fixture main body. 11. The mounting spring has at least one pair,
The lighting device according to claim 7, wherein the releasing means simultaneously releases at least a pair of mounting springs. 12. The luminaire according to claim 11, wherein the releasing means is released by a push-up operation of the instrument main body. 13. The lighting fixture according to claim 12, wherein the fixture body has a reflector, and the releasing means is interlocked with an attaching operation of the reflector to the fixture body. 14. The lighting fixture according to claim 11, wherein the releasing means is released by a lateral slide operation of the fixture main body. 15. The releasing means also serves as a lighting device mounting base slidably provided laterally on the fixture body, and the locked portion of the fixing means is provided on the lighting device mounting base. Item 14. A lighting device according to item 14. 16. The luminaire according to claim 11, wherein the releasing means is released by a rotating operation. 17. The releasing means comprises a rotating shaft provided in the instrument body and having an operating knob in the instrument body, and a rotating arm attached to the rotating shaft. The lighting device according to claim 16, wherein the locking portions are provided at both ends of the rotating arm.