JPH08111111A - Installation apparatus for ceiling surface mounted luminaire - Google Patents

Abstract

PURPOSE: To make a luminaire easily attached to or detached from an upper adaptor even in the case the luminaire main body is set in any direction in a plane by forming the upper adaptor and a hole to fit the adaptor into flat and round shapes and forming steps and a locking pawl. CONSTITUTION: A round hole 20 to fit an upper adaptor 4 in is formed in a lower adaptor 9. At the time of installation of a luminaire A, when a luminaire main body 8 is pushed up while the adaptor 4 being fitted in the hole 20 of the adaptor 9, the step part 17 of the adaptor 4 comes closer to a step part locking part of locking pawl 10 of the adaptor 9 from the upper side. Then, with the tip side faces of the locking part being pushed to the parts 17, the pawl 10 moves back to the insides of a projected part 19 of the adaptor 9. When the part 17 passes the lower sides than the locking parts, the pawl 10 are pushed by a spring and move in the inner circumferential direction again and consequently, the locking parts of the pawl 10 is joined with the part 17 and the main body 8 can be installed in the adaptor 4. As a result, with no need of precise positioning of the adaptor 4 and the main body 8, the main body 8 can be attached directly to the ceiling easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting device for a ceiling-mounted lighting fixture.

[0002]

2. Description of the Related Art Conventionally, an arcuate blade insertion opening is formed on the lower surface of a hook ceiling outlet attached to a ceiling surface, and the blade is projected on the upper surface of a substantially rectangular flat surface of the hook plug. Is equipped with a stopper that integrally forms the lock part, push button and spring part, and at the position where the blade is introduced into the blade insertion port, the lock part is inserted into the blade insertion port and rotation to remove the body from the hook ceiling outlet is possible. The hook plug is designed to prevent the hook plug from falling off while allowing the rotation direction to remove the body from the hook ceiling outlet to coincide with the direction to apply the stress to the push button, and to easily remove the hook plug in one operation. Special structure for lock 5-50
Proposed as No. 112.

When mounting a hanging type lighting fixture using this one, since the fixture main body is attached to the tip of the cord extending from the hook plug, the fixture can be mounted relatively easily regardless of the shape of the hook plug. be able to. However, in the case of a direct-mounting type lighting fixture, since it is very close to the ceiling surface, the hook plug protruding from the ceiling surface is fitted into the hole formed in the top surface of the fixture body, and the outer surface of the hook plug is The male and female engaging portions provided on the inner periphery of the hole of the instrument body are engaged with each other, or the instrument body is fixed using a fixture such as a bolt.

Therefore, unless the instrument main body is placed at an accurate mounting position with respect to the hooking plug, the flattened square hooking plug cannot be inserted into the square hole as in the prior art, and the engaging portion is not formed. It is impossible to engage with each other or screw the bolts together, but it is very difficult to perform the attachment work while facing up and supporting the instrument body with the hand.

[0005]

SUMMARY OF THE INVENTION The present invention provides a mounting device for a ceiling-mounted lighting fixture, which can be easily attached to the upper adapter regardless of the orientation of the fixture body in the plane direction and can be easily attached and detached. The purpose is to provide.

[0006]

In order to achieve the above-mentioned object, a mounting device for a direct lighting fixture for a ceiling according to the present invention detachably mounts a flat circular upper adapter to a ceiling outlet fixed to a ceiling surface. , The lower adapter is attached to the top plate of the device body, the upper surface of which faces the ceiling outlet, and a circular hole for fitting the upper adapter is formed in the lower adapter, and the outer circumference of the upper adapter and the circular hole of the lower adapter are formed. A step portion is formed on one side of the circumference over the entire length in the circumferential direction, and a plurality of locking claws that detachably engage with the step portion are provided on the other side.

Further, the locking claw is mounted so as to be slidable in the radial direction, is biased by a spring in the direction of locking the stepped portion, and the tip side surface is inclined inward toward the stepped portion approaching side. It is desirable to have a stepped locking portion and a lever for slidingly operating the locking claw.

[0008]

[Operation] By making the upper adapter and the hole for fitting this into a plane circular shape, the upper adapter is fitted into the circular hole of the lower adapter regardless of the horizontal direction of the instrument body,
By forming a step along the circumferential direction on one of the outer circumference of the upper adapter or the inner circumference of the circular hole of the lower adapter, and providing a plurality of locking claws on the other side, the locking claws can be arranged in any circumferential direction. It is locked to the step at the position.

Further, the locking claw is mounted so as to be slidable in the radial direction and is biased in a direction to lock the step, and the step locking part of the locking claw and the tip side face approach the step. Since it is tilted backwards, the circular holes of the upper and lower adapters are aligned and the instrument body is pushed up from below. As a result, the step portion and the locking claw are automatically engaged with each other. Further, the step portion and the locking claw are disengaged by simply sliding the locking claw by holding the lever of the locking claw and retracting it, and the instrument body is removed from the upper adapter.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a first embodiment, in which a lighting fixture A is attached to a ceiling outlet 2 fixed to a ceiling surface 1, an upper adapter 4 detachably attached to the ceiling outlet 2 and an upper surface. Is provided with a tool body 8 that is in contact with the ceiling surface 1, that is, the ceiling outlet 2 and is supported by the upper adapter 4, and a lower adapter 9 that is provided on the upper surface of the tool body 8 and that is engaged with the upper adapter 4. An arc-shaped insertion port 1 is provided on the lower surface of the ceiling outlet 2.
A pair of two is provided, a wide portion 13 is formed at one end of the insertion opening 12, and a connection terminal (not shown) is provided behind the narrow portion 14 of the insertion opening 12.

The upper adapter 4 is formed in a circular shape in a plane and, as shown in FIGS. 2 and 3, the terminal plate 3 having a key-shaped tip inserted into the insertion port 12 of the sealing outlet 2 on the upper surface thereof.
Are projected from a pair. Then, when the terminal plate 3 is inserted into the wide portion 13 of the insertion port 12 of the ceiling outlet 2 and the upper adapter 4 is rotated, the terminal plate 3 is inserted into the insertion port 1.
The upper adapter 4 is attached to the ceiling outlet 2 by moving along the narrow portion 14 of the second connector 2, electrically and mechanically connecting the connection terminal of the ceiling outlet 2 and the terminal plate 3.

Further, as shown in FIG. 4, the upper adapter 4
The cord 15 connected to the terminal plate 3 is extended from the lower surface of the cord 15, and one connector 6 is attached to the tip of the cord 15 as shown in FIG. Further, as shown in FIG. 3, the flange 16 is provided near the lower portion of the outer peripheral surface of the upper adapter 4.
And a flat step portion 17 is formed on the upper surface of the flange 16 over the entire length in the circumferential direction, and the connection terminal of the sealing outlet 2 and the terminal plate 3 are unlocked on a part of the outer peripheral surface. A push button 5 to be operated is provided. When the push button 5 is pushed down and the upper adapter 4 is rotated, the terminal plate 3 reaches the wide portion 13 of the insertion port 12 so that the upper adapter 4 can be removed from the sealing outlet 2. There is.

A light source (not shown) is provided on the instrument body 8, and a cord 15 'connected to the light source is provided on the upper surface of the instrument body 8 as shown in FIG.
At the tip of 5 ', the other connector 7 which is detachably engaged with one connector 6 of the upper adapter 4 is mounted. Further, a hole for inserting the upper adapter 4 is bored in the central portion of the top plate of the instrument body 8, and the lower adapter 9 is attached so as to coincide with the hole.

As shown in FIG. 6, the lower adapter 9 has a mounting plate 18 which is overlapped with the top plate of the instrument body 8 and a protrusion 19 which is mounted on the lower surface thereof, and as shown in FIG. A circular hole 20 corresponding to the hole formed at the center of the top plate of the instrument body 8 is formed at the center of the mounting plate 18 and the protruding portion 19. In addition, as shown in FIG. 7, the protrusion 19 has a pair of guide spaces 2 along the diameter of the lower adapter 9.
1 are formed so as to face each other with a circular hole 20 in between, and locking claws 10 are fitted in the guide space 21 so as to be slidable in the radial direction. It is arranged at the (outer peripheral end) and one end is pressed by a spring 22 abutting against the outer wall of the hollow portion 19 and is urged in the inner peripheral direction.

The locking claw 10 is provided on the upper portion on the inner peripheral side and engages with the step 17 of the upper adapter 4.
And a lever 11 protruding from the lower surface. The lower end surface of the step locking portion 23 is connected to the lower adapter 9 by the upper adapter 4.
When the step 17 is approached, that is, the upper side is inclined inward (outer peripheral direction) when locked by the spring 22, and the locking claw 10 is normally pressed by the spring 22, the step locking portion 23 Are projected inward from the inner peripheral surface of the circular hole 20. Also, on the bottom surface of the protruding portion 19, the outside and the guide space 1
A guide hole 25 communicating with 9 is formed, and the lever 11 of the locking claw 10 passes through the guide hole 25 and projects below the lower adapter 9. Then, by gripping the lever 11 and moving it in the outer peripheral direction, the locking claw 10 slides inward against the biasing force of the spring 22, and as a result, the stepped locking part 23 is placed inside the lower adapter 9. It is designed to move out.

The luminaire A is attached as follows.
Connect one connector 6 of the upper adapter 4 and the other connector 7 of the instrument body 8, and insert the terminal plate 3 of the upper adapter 4 into the wide portion 14 of the insertion port 12 of the ceiling outlet 2 attached to the ceiling surface 1. After that, the upper adapter 4 is rotated to attach the upper adapter 4 to the ceiling outlet 2.

Next, when the circular hole 20 of the lower adapter 9 and the upper adapter 4 are aligned and the instrument body 8 is pushed up, the stepped portion 23 of the locking claw 10 of the lower adapter 9 is inserted into the stepped portion of the upper adapter 4. 17 approaches from above, the tip side surface of the step locking portion 23 is pushed by the step 17, and the locking claw 10 retracts into the protruding portion 19 of the lower adapter 9. And step 1
When 7 passes below the step locking portion 23, the locking claw 10
Is pushed by the spring 22 and moves again in the inner circumferential direction, and as a result, as shown in FIG. 8, the step locking portion 23 of the locking claw 10 is engaged with the step 17 and the instrument body 8 moves upward. It is attached to the adapter 4.

To remove the instrument body 8 when replacing the light source, the lever 11 of the locking claw 10 is picked up with a finger and slid in the outer peripheral direction along the guide hole 25.
Compresses the spring 22 and the step locking portion 23 moves the lower adapter 9
Of the instrument body 8 is disengaged from the step locking portion 23 and the step portion 17, and the instrument body 8 is disengaged from the upper adapter 4. When removing the upper adapter 4, the push button 5 is pushed down to rotate the upper adapter 4 in the opposite direction to when it is attached, and when the terminal plate 3 reaches the wide portion 13 of the insertion opening 12, the upper adapter 4 is removed from the ceiling outlet 2. Just pull it out.

FIG. 9 shows that even when the ceiling outlet 2 is an exposed type in which the ceiling outlet 1 largely projects from the ceiling surface 1 and is inserted into the inside of the appliance body 8, the ceiling outlet 1 does not project much and the appliance body 8 is located below it. A second embodiment is shown, which can also be used in the case of a mounted implantable version.

Hollow protrusions 24 are provided at both ends in the radial direction of the protrusion 19a of the lower adapter 9a. As shown in FIG. 10, the hollow convex portion 24 is a separate member having a substantially L-shaped cross section, is attached so as to extend the guide space 21a of the lower adapter 9a, and the spring 22a is provided in the guide space 21a. The spring 22a is disposed and one end of the spring 22a abuts the outer wall of the hollow convex portion 24. In addition, the step locking portions 23 are provided on the upper and lower portions of the inner peripheral surface of the locking claw 10, respectively.
a and 23a 'are formed so as to overlap in two stages.

When the ceiling outlet 2 is an embedded type, as shown in FIG. 11, the instrument body 8 is pushed up to move the upper adapter 4 into the circular hole 20 of the lower adapter 9a.
Inserted inside, the step portion 17 of the upper adapter 4 has the locking claw 10a.
It is stopped at the position where it is engaged with the step locking portion 23a above the.
If the ceiling outlet 2 is exposed,
As shown in FIG. 2, the instrument body 8 is pushed up to insert the upper adapter 4 into the circular hole 20 of the lower adapter 9a, and the step 17 of the upper adapter 4 causes the step locking portion 2 on the locking claw 10a.
After engaging with 3a, the instrument body 8 is further raised, and the stepped locking portion 23a 'under the locking claw 10a is engaged with the stepped portion 17. Since the other structure and attachment / detachment method are substantially the same as those of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted.

FIG. 13 shows a third embodiment. In this embodiment, the step portion 17b has a circular hole 20b in the lower adapter 9b.
And the locking claws 10b are provided on the outer peripheral surface of the upper adapter 4b.

A spring (not shown) is arranged inside the upper adapter 4b along the radial direction, and in a normal state, the step locking portion 23b of the locking claw 10b is pushed by this spring from the outer peripheral surface of the upper adapter 4b. It is protruding. Step locking portion 23b
The front end side surface of the is inclined inward (in the direction of the center of the circle) on the side closer to the step 17b, that is, on the lower side. Also, the locking claw 1
The lever 11b of 0b is projected downward through the guide hole 25b formed in the bottom surface of the upper adapter 4b.

Since the lower adapter 9b has no spring arranged inside, the height can be made smaller than that of the first and second embodiments, and the lower adapter 9b is provided above the circular hole 20b over the entire length in the circumferential direction. The flange 16b is provided, and the flange 1
A flat step portion 17b is formed on the lower surface of 6b. Since the other construction and the attaching / detaching method are almost the same as those of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted.

[0025]

According to the mounting device for a ceiling-mounted lighting fixture of the present invention, a small and easy-to-use upper adapter is mounted on a ceiling outlet mounted on the ceiling surface, and then the upper adapter is aligned with the circular hole of the lower adapter. Then, when the instrument body is pushed up, the locking claws of the lower adapter are locked to the stepped portion of the upper adapter at any position, so there is no need to strictly align the upper adapter and the instrument body, and for this reason, The instrument body can be easily attached directly to the ceiling surface regardless of its horizontal orientation.

Further, the locking claw is mounted so as to be slidable in the radial direction, and is urged in the step locking direction by a spring so that the tip side surface of the locking claw is tilted inward toward the step approaching side. If the locking part and the lever for slidingly operating the locking claw are provided, the step locking part of the locking claw is automatically engaged with the step by simply pushing up the tool body. The installation becomes even easier, and the device body can be easily removed from the upper adapter simply by picking the lever and moving the locking claw.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a mounting device for a ceiling-mounted lighting fixture showing a first embodiment of the present invention.

FIG. 2 is a top view of the upper adapter according to the first embodiment of the present invention.

FIG. 3 is a side view of the above.

FIG. 4 is a bottom view of the above.

FIG. 5 is a top view of the lower adapter according to the first embodiment of the present invention.

FIG. 6 is a bottom view of the above.

FIG. 7 is a sectional view of a main part of the above.

FIG. 8 is a partially cutaway side view of a mounting device for a ceiling-mounted lighting fixture showing a first embodiment of the present invention.

FIG. 9 is an exploded perspective view of a mounting device for a ceiling-mounted lighting fixture showing a second embodiment of the present invention.

FIG. 10 is a partially cutaway side view of the lower adapter according to the second embodiment of the present invention.

FIG. 11 is a partially cutaway side view of a mounting device for a ceiling-mounted lighting fixture mounted in an embedded ceiling outlet.

FIG. 12 is a partially cutaway side view of a mounting device for a ceiling-mounted lighting fixture mounted on an exposed ceiling outlet.

FIG. 13 is an exploded perspective view of a mounting device for a ceiling-mounted lighting fixture showing a third embodiment of the present invention.

[Explanation of symbols]

 A Lighting fixture 1 Ceiling surface 2 Ceiling outlet 3 Terminal plate 4, 4b Upper adapter 5 Push button 6 One connector 7 Other connector 8 Instrument body 9, 9a, 9b Lower adapter 10, 10a, 10b Locking claw 11, 11b Lever 12 Insertion Port 13 Wide Part 14 Narrow Part 15, 15 'Code 16, 16b Flange 17 Step 18 Mounting Plate 19, 19a, 19b Projection 20, 20b Circular Hole 21, 21a Guide Space 22 Spring 23, 23a, 23a' , 23b Step locking part 24 Hollow convex part 25, 25b Guide hole

Claims (2)

[Claims] 1. A ceiling-shaped circular upper adapter is detachably attached to a ceiling outlet fixed to a ceiling surface, and a lower adapter is attached to a top plate of an instrument main body whose upper surface is in contact with the ceiling outlet, and the lower adapter is attached to the ceiling adapter. A circular hole for fitting the upper adapter is formed, and a step portion is formed over the entire length in the circumferential direction on one of the outer circumference of the upper adapter and the inner circumference of the circular hole of the lower adapter, and the other can be attached to and detached from the step portion. A mounting device for a ceiling-mounted lighting fixture, characterized in that a plurality of locking claws for engaging with are provided. 2. The locking claw is mounted so as to be slidable in the radial direction, is biased by a spring in a direction of locking the step, and the tip side surface is inclined inward toward the step approaching side. The mounting device for a ceiling-mounted lighting fixture according to claim 1, further comprising: a stepped locking portion that is formed, and a lever that slides a locking claw.