JPH11213745A - Installation apparatus of luminaire directly attached to ceiling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily unfasten right and left locking claws in an upper adapter by both hands while supporting the luminaire main body by the hands at the time of attaching or detaching the luminaire main body. SOLUTION: Cut parts 33a, 33b for evacuation are formed by cutting respective one sides of rear parts of right and left locking members 14a, 14b and at the same time extended parts 34a, 34b are formed in the other ends. The right and left locking members 14a, 14b are so arranged as to arrange the extended parts 34a, 34b of the right and left locking members 14a, 14b and the cut parts 33a, 33b for evacuation on the opposite to each other in the sliding direction of the locking members 14a, 14b and as to arranged unfastening projected pieces 15a, 15b formed in the extended parts 34a, 34b of the right and left locking parts 14a, 14b in the straight line direction at right angles to the sliding direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a state in which left and right locking members provided slidably in a radial direction and locking claws of the left and right locking members are projected from both sides of an adapter base. The present invention relates to a ceiling-mounted lighting fixture mounting apparatus including an upper adapter having a biasing spring for biasing, and a spacer having a locking receiving portion with which each locking claw of the upper adapter is detachably engaged.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 9-92020 discloses a left and right locking member having a plug blade to be hooked on a hooking ceiling on an upper surface of an adapter base and provided slidably in a radial direction of the adapter base. Upper adapters provided with biasing springs for biasing the locking claws of the left and right locking members so as to protrude from both side portions of the adapter base, and the respective locking claws of the upper adapter are detachably engaged. A ceiling-mounted lighting fixture mounting apparatus comprising a spacer having a locking receiving portion is described.

In this device, a locking member having a locking claw detachably engaged with a locking receiving portion of a spacer engaged with the upper adapter is slid to the left and right in the radial direction of the adapter base. The left and right locking claws are provided so as to be able to protrude and retract from both sides of the adapter base, respectively, and the locking claws protrude from the side of the adapter base with respect to the rear parts of the left and right locking members. A biasing spring is provided to each of the right and left locking members, and the release protrusions for sliding the respective left and right locking claws in a state of being immersed from the peripheral surface of the adapter base in opposition to the biasing of the biasing spring. A lock position formed on the lower surface and provided on the lower surface of the upper adapter so as to be in contact with each release projection so that the right and left locking members cannot slide at the same time. Simultaneous sliding of left and right locking members without touching It is provided rotatably lock lever is switched rotating operation between an unlocked position and ability along the lower surface of the upper adapter.

In this lighting fixture mounting apparatus, the left and right locking claws are slid toward the inside in the radial direction (toward the center) in a state where the lock lever is in the unlocked position, so that the left and right locking claws are slid. It can be immersed from the peripheral surface of the adapter base, and the spacer fixed to the instrument body can be engaged with and disengaged from the upper adapter, so that the instrument body can be attached and detached. Further, by setting the lock lever to the locked position after the attachment of the instrument body, it is possible to prevent the instrument body from being accidentally detached from the upper adapter.

[0005] However, since the sliding operation directions of the left and right release projections exposed on the lower surface of the upper adapter are respectively radially inward when removing the instrument body, the left and right release projections are released with one hand. As a result of sliding the protruding piece inward in the radial direction to hold the left and right locking claws immersed from the peripheral surface of the adapter base, it is necessary to support the instrument body only with the other hand, and with one hand There was a feeling of instability receiving the instrument body.

In addition, when the left and right locking members slide inward in the radial direction, it is necessary to provide left and right storage portions for storing these members behind (inside the adapter base) the locking members. The upper adapter becomes larger only in this storage portion.

[0007] Further, since the connection of each connector for electrically connecting the upper adapter and the instrument body is performed when the instrument body is attached and detached, each connector of the upper adapter and the instrument body is disconnected. Hanged down and hindered the installation and removal of the instrument body. Further, after the attachment of the device main body is completed, the cord is sagged, which is not good in appearance.

[0008]

SUMMARY OF THE INVENTION A first object of the present invention is to release the left and right locking claws while attaching and detaching the instrument body to and from the adapter while holding the instrument body with both hands. It is an object of the present invention to provide a ceiling-mounted lighting fixture mounting device that can be easily used with both hands.

It is a second object of the present invention to provide a ceiling-mounted lighting fixture mounting apparatus which can prevent the connection connector of the upper adapter from hanging down when the fixture body is attached or detached.

[0010] A third object of the present invention is to provide a ceiling-mounted lighting fixture mounting apparatus which is excellent in appearance in terms of preventing dripping of cords after completion of mounting of the fixture main body.

A fourth object of the present invention is to provide a ceiling-mounted lighting fixture mounting apparatus capable of preventing a fixture body from being accidentally detached from an upper adapter.

[0012]

According to the present invention, there is provided a lighting apparatus for directly mounting on a ceiling, comprising a plug blade to be hooked on a hooking ceiling on an upper surface of an adapter base, and slidably provided in a radial direction of the adapter base. And an upper spring provided with biasing springs for biasing the locking claws of the left and right locking members so as to protrude from both side portions of the adapter base, respectively, and each locking of the upper adapter And a spacer having a locking receiving portion with which the claw is detachably engaged. In order to solve the above-mentioned problem, cut-away portions of the rear portions of the left and right locking members are provided. A notch is formed and an extension is formed on the other side of each rear, and each of the locking claws is formed on the lower surface of the extension of each of the locking members against the urging of the urging spring. Move the adapter base from both sides to immersion Because of the release protrusion was formed respectively, with the extension portion of the right and left of the locking member and the retraction cutout face each other in the sliding direction of the left and right of the locking member,
The left and right locking members are arranged so that the release projections provided on each extension of the left and right locking members are exposed on the lower surface of the upper adapter and are arranged in a linear direction orthogonal to the sliding direction. It is characterized by the following.

When mounting and removing the instrument body,
The left and right release projections exposed on the lower surface of the upper adapter are slid outwardly in the radial direction. More specifically, the instrument body is supported by both hands, the right thumb is hung on the release protrusion corresponding to the left locking claw, the left thumb is hung on the release protrusion corresponding to the right locking claw, Sliding operation is performed radially outward. The left and right locking members move toward each other toward the center of the adapter base, so that the extension of the left locking member enters the evacuation notch of the right locking member, and When the extending portion enters the retraction cutout of the left locking member, and the end surfaces of the extension portions of both locking members abut against the end surfaces of the retraction cutout of both locking members, the two locking members are locked. The sliding of the members is restricted, and the locking claws of the left and right locking members are immersed from the peripheral surface of the adapter base.

The storage portions required when the left and right locking portions are slidably moved are formed as retraction notches provided on the other side of each locking member. It is not necessary to provide each of them behind the locking member (inside the adapter base), and the upper adapter can be made smaller.

A first connection connector for making an electrical connection with the spacer is inserted and locked into a temporarily fixing locking portion provided on the lower surface of the upper adapter. When attaching and detaching the instrument body, it is possible to prevent the first connection connector of the upper adapter from hanging down.

The second connection connector of the instrument body is locked and fixed to the connector locking portion provided on the spacer. Further, the first connector is connected to the second connector fixed to the connector locking portion. Thereby, it is possible to prevent the cord from sagging after the attachment of the instrument body is completed, and it is also excellent in appearance.

The lock lever is turned toward the lower surface of the upper adapter, and the lock lever is engaged with each of the release projections to lock the respective locking members simultaneously so that they cannot slide. Thereby, it is possible to prevent the appliance main body from coming off from the upper adapter unexpectedly. When releasing the lock, the lock lever is pivoted in a direction away from the lower surface of the upper adapter, and the lock lever is detached from each release protruding piece to allow the respective locking members to slide simultaneously.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an exploded perspective view showing one embodiment of a lighting fixture mounting device (hereinafter, referred to as a lighting fixture mounting device) directly mounted on a ceiling according to the present embodiment. The lighting fixture mounting apparatus 1 is generally provided on an upper adapter 4 having a pair of blades 3 and 3 on the upper surface to be hooked on a hooking ceiling 2, and is provided on the fixture body 5 side, and is detachably attached to the upper adapter 4. The spacer 6 is fitted and locked.

The hooking ceiling 2 is of a conventionally known type which is attached to a ceiling surface. A pair of arc-shaped plug blade insertion openings 8, 8 are provided on the lower surface of the sealing base 7 around the center.
A wide portion 9 is formed at the start end in the clockwise rotation direction of each of the blade insertion ports 8, and a narrow portion 10 is formed continuously from the wide portion 9 to the end. In addition, on the inner back surface in the back of the narrow portions 10, 10 of the respective blade insertion holes 8, 8,
A blade receiving portion (not shown) is provided, and a conductive connection terminal plate (not shown) connected to the indoor wiring is provided in the blade receiving portion.

FIG. 2 is a perspective view showing the upper adapter 4 as viewed from the upper side, and FIG. 3 is a perspective view showing the upper adapter 4 as viewed from the lower side.

As shown in FIG. 2, the upper adapter 4 has a substantially cylindrical shape, and on its upper surface, a pair of blades 3 and 3 are arranged on the same circumference so as to face each other. A lock claw 11 for preventing rotation of the upper adapter 4 in the detaching direction (counterclockwise rotation) with respect to the blades 3 and 3 is provided so as to be freely protrudable and retractable on the same circumference as the blades 3 and 3. It is arranged upstream of one of the blades 3 and 3 in the rotation direction.

On the peripheral surface on the side of the upper adapter 4, locking claws 13a and 13b removably engaging with a locking receiving portion (not shown) of the spacer 6 which engages with the upper adapter 4. Left and right in the radial direction are disposed so as to be freely retractable, and the locking claws 13a,
A lock release button 12 that is pushed and pushed to make the lock claw 11 immersed from the upper surface of the upper adapter 4 is provided at a position substantially 90 degrees from 13b. The left and right locking claws 13a, 13b are connected to left and right locking members 14, 1 described later.
4 are formed integrally with each other.

On the lower surface of the upper adapter 4, as shown in FIG. 3, release protrusions which are respectively slid in the radial direction to make the left and right locking claws 13 a, 13 b sink into the peripheral surface of the upper adapter 4, respectively. The pieces 15a and 15b are arranged in a straight line, respectively, and the left and right release protrusions 15a and 15b are simultaneously unlocked at the unlock position where sliding operation is possible.
A lock lever 16 that is rotatably operated between a and 15b at the same time in a lock position where sliding operation is impossible is provided rotatably in a direction crossing the lower surface of the upper adapter 4. In addition,
The left and right release projections 15a, 15b are integrally formed on lower surfaces of left and right locking members 14a, 14b, respectively, which will be described later.

FIG. 4 shows the upper adapter 4 connected to the adapter base 1.
7 and FIG.
Are the adapter base 17 and the left and right locking members 14a, 14
b is an exploded perspective view.

As shown in FIG. 4, the upper adapter 4 has an adapter base 17 and a closing plate 18 mounted on the lower surface of the adapter base 17, and the adapter base 17 has a circle forming the upper surface of the upper adapter 4. Upper wall 19 and upper wall 19 of shape
Peripheral wall 2 forming the side peripheral surface of upper adapter 4 along the peripheral edge of
0.

As shown in FIG. 5, on the back surface of the upper wall 19 of the adapter base 17, a storage portion 21 formed of a concave groove for storing the left and right locking members 14a, 14b is provided in a radial direction. In addition, on the left and right sides of the peripheral wall 20 of the adapter base 17, there are provided claw entrances 22a and 22b, which are communicated with the storage section 21 and cut out in a rectangular shape, respectively. The bottom wall 21a of the storage section 21 is provided with mutually parallel protruding pieces 23a and 23b on the left and right sides of the center.

As shown in FIG. 4, a lock arrangement recess 24 communicating with the peripheral wall 20 is provided on one side of the storage section 21, and the lock arrangement recess 24 is provided at a position where the lock claw 11 is arranged. Correspondingly, a lock member 25 having a lock claw 11 on an upper portion is provided, and a lock release button 12 that engages with the lock member 25 by a tapered surface is provided. A spring insertion hole 26 is provided on the lower surface of the lock member 25, and a coil spring 27 for urging the lock claw 11 of the lock member 25 upward to project to the upper surface of the adapter base 17 is inserted into the spring insertion hole 26. Have been.

The lock member 2 having the lock claw 11
The configuration and operation of the lock release button 5 and the lock release button 12 are known, for example, as disclosed in Japanese Patent Application Laid-Open No. 9-92021, and will not be described in detail.

On the rear surface of the adapter base 17, a closing plate 1 for closing the lower side of the adapter base 17 at a plurality of locations near the periphery.
8 for attaching columnar projections 28, 28, 28, 28
Are provided, and screw holes 29 are provided in the end faces of the respective columnar projections 28.

Further, a cord outlet 31 of a connection cord 30 for making an electrical connection with the instrument body 5 is provided near the periphery substantially opposite to the position of the lock release button 12 across the center. In addition, as shown in FIG.
Is provided with a first connector 32 for electrical connection with the spacer 6.

As shown in FIGS. 4 and 5, each of the locking members 1
4a and 14b are arranged with their locking claws 13a and 13b facing outward, and both sides of the locking members 14a and 14b are guided by both side walls 21b and 21b of the storage unit 21, and the diameter of the upper adapter 4 is adjusted. It is slidably provided in the left and right directions.

The left and right locking members 14a, 14b have locking projections 13a, 13b formed in a front part in an arc shape in plan view, respectively, and are provided on the left side of the storage portion 21.
The notch on the right side is cut out on the right side to form an evacuation notch section 33a, and an extension section 34a is formed on the left side of each rear section.
The rear part of the locking member 14b arranged on the right side of the storage part 21 is cut off on the left side to form a notch part 33b for evacuation, and an extension part 34b is formed on the right side of each rear part. Release projections 15a, 15 are provided on the lower surfaces of the rear ends of 33a, 33b.
b are protruded respectively. The left and right locking members 1
Square holes 35a and 35b for accommodating urging springs for urging the locking claws 13a and 13b so as to protrude from both side portions of the adapter base 17 are provided at the centers of 4a and 14b, respectively.

The locking claws 13a of the locking members 14a, 14b,
13b is formed in a circular-arc convex shape in plan view, has a tapered portion 36 on the lower surface, and has a flat locking portion 37 on the upper surface (see FIG. 2). Further, as shown in FIG. 3, the release protrusion 15b of the locking member 14b disposed on the right side.
A substantially arc-shaped convex lever locking portion 38 is provided on the inner surface of the.

As shown in FIG. 4, the locking member 14a is provided with a protruding piece 23a provided on the accommodation portion 21 behind the central square hole 35a.
Is inserted between the front wall of the square hole 35a and the protruding piece 23a to urge the locking member 14a radially leftward.
9a is inserted. The locking member 14b has a protruding piece 23b provided in the storage section 21 inserted behind the central square hole 35b, and the locking member 14b has a diameter between the front wall of the square hole 35b and the protruding piece 23b. A biasing spring 39b that biases rightward in the direction is inserted.

The extension 33a of the left locking member 14a and the retraction cutout 34b of the right locking member 14b oppose each other in the sliding direction of the left and right locking members 14a, 14b. Evacuation notch 33a of locking member 14a
The extending portion 34b of the right locking member 14b is disposed in the storage portion 21 so as to face each other in the sliding direction of the left and right locking members 14a, 14b.

Closing plate 1 for closing the lower side of adapter base 17
8 is a circular plate having substantially the same diameter as the adapter base 17;
As shown in FIG. 4, a substantially rectangular first through hole 40 a that regulates a radial sliding range of the locking member 14 a and a radial sliding range of the locking member 14 b are regulated at the center. A substantially rectangular second through-hole portion 40b is provided, and a side edge of the first through-hole portion 40a near the center and a side edge of the second through-hole portion 40b near the center are formed by the left and right locking members 14a, 14b communicates in a linear direction orthogonal to the sliding direction.

A notch 41 is provided in the closing plate 18 at a position corresponding to the cord outlet 30 provided in the adapter base 17 shown in FIG. 5, and screw holes 29, 29, 29, 2 are provided.
9 at the positions corresponding to the screw insertion holes 42, 42, 4 respectively.
2, 42 are provided, and a notch 43 is provided corresponding to the disposition position of the lock release button 12, and a first portion is provided at a predetermined position near the periphery.
Locking hole 4 for temporarily fixing connector 32
4 are provided.

On the side of the second through hole 40b, support pieces 45, 45 facing each other are provided, and the support pieces 45, 45 are provided with support holes 46, 46, respectively.
The lock lever 16 is rotatably supported by the lock lever 16 toward a communicating portion between the first through hole 40a and the second through hole 40b.

The lock lever 16 is formed by bending a linear metal, and has a finger hook 47 formed by bending a rectangular shape at the end, and releasing protrusions 15a, 15a, from the middle to the end.
A lock portion 48 is formed in parallel with the width of about 15b in the front-rear direction, and support shaft portions 49, 49 are provided at the base end with both sides bent outward, respectively. 49, 49 are inserted into the shaft holes 46, 46 and supported by the shafts.

As shown in FIG. 4, the closing plate 18 provided with the lock lever 16 is attached to the adapter base 17 from the lower surface of the closing plate 18 through screw insertion holes 42, 42, 42, provided in the closing plate 18. The mounting screws 50, 50, 50, 50 are respectively inserted into the mounting screws 50, 50, 50.
The adapter base 17 shown in FIG.
The closing plate 18 is attached to the lower surface of the adapter base 17 by screwing into the screw holes 29, 29, 29, 29 provided on the lower surface of the adapter base 17, respectively.

As a result, the lower side of the adapter base 17 is closed by the closing plate 18, the notch 41 coincides with the periphery of the cord outlet 30, and the notch 4
3, the release projections 15a, 15b provided integrally on the lower surfaces of the left and right locking members 14a, 14b are exposed from the lower surface of the upper adapter 4 from the first through hole 40a and the second through hole 40b. (See FIG. 3).

The left and right locking members 14a, 14b are
The lower surface of the upper adapter 4 is supported by the closing plate 18 and housed in the housing portion 21 of the adapter base 17, and is urged toward both radial outer sides of the upper adapter 4 by the urging springs 39 a and 39 b. , Release projection 1 integrally provided on the lower surfaces of left and right locking members 14a, 14b
The base ends of 5a and 15b abut on the inner edges of the first and second rectangular through holes 40a and 40b, respectively, and are regulated.

As a result, the locking claws 13a, 13b of the left and right locking members 14a, 14b are normally connected to the left and right claw entrances 22 provided on the peripheral wall 20 of the adapter base 17.
a and 22b, respectively, and a release projection 15a provided on the extension 34a of the left locking member 14a and a release projection 15b provided on the extension 34b of the right engagement member 14b. Are exposed on the lower surface of the upper adapter 4 and are arranged side by side in a linear direction (front-back direction) perpendicular to the sliding direction (left-right direction) (see FIG. 6).

The left and right locking members 14a, 14b are
The urging springs 39a, 3 are directed inward toward the center of the upper adapter 4.
9b, the base of the release projection 15a abuts against the outer edge of the rectangular first through hole 40a provided in the closing plate 18. Along with
In the position where the base end of the release projection 15b abuts on the outer edge of the rectangular second through-hole 40b provided in the closing plate 18 and is regulated, each of the left and right locking members 14a and 14b is engaged. Stop Claw 1
3a and 13b are respectively immersed in the left and right nail entrances 22a and 22b provided on the peripheral wall 20 of the adapter base 17 (see FIG. 8).

Next, the spacer 6 provided on the upper surface of the instrument body 5 and detachably engaged with the upper adapter 4 will be described. 10 is a perspective view of the spacer 6, FIG. 11 is a partial cross-sectional view of the spacer 6, FIG. 12 is a main-portion cross-sectional view showing attachment of the device main body 5 to the upper adapter 4, and FIG. It is a principal part sectional view which shows the attachment state of the tool main body 5 in the case of sealing, and FIG. 14 is a principal part sectional view which shows the attachment state of the tool main body 5 in the case of an exposure type ceiling.

The instrument body 5 is provided with a light source (not shown), and a cord 51 connected to the light source is provided on the upper surface of the instrument body 5 as shown in FIG.
The second connector 52 is detachably engaged with the first connector 32 of the upper adapter 4. A through hole 54 for inserting the upper adapter 4 is formed in the center of the top plate 53 of the instrument body 5.
A spacer 6 is attached so as to coincide with 4.

As shown in FIG. 10, the spacer 6 has a substantially rectangular shape and has a through hole 5 formed in the top plate 53 of the instrument body 5.
A circular insertion hole 55 corresponding to No. 4 is formed at the center, and screw holes 56 for mounting a spacer are provided at one corner and at one corner of a diagonal position opposed to the center with respect to the center.
In one corner between these diagonal positions, the instrument body 5
Locking hole 5 for locking the second connection connector 52 of FIG.
7 are provided.

As shown in FIGS. 12 to 14, after the spacer 6 is arranged on the lower surface of the top plate 53 with the insertion hole 55 aligned with the through hole 54 formed in the top plate 53 of the instrument body 5, Fixing screws (not shown) are screwed into the screw holes 56 for mounting the spacer, and are mounted. A curling portion 58 is provided on the upper surface of the top plate along the entire periphery of the through hole 54 formed in the top plate 53 of the instrument body 5 (see FIG. 10). After attaching the spacer 6 to the instrument body 5, the second connection connector 52 of the instrument body 5 is inserted into the connector locking hole 57 of the spacer 6 and fixed (see FIG. 14).

The insertion hole 55 of the spacer is provided with an engagement recess 59 at the top of the inner peripheral surface over the entire circumference. The engaging recesses 59 are provided on the left and right locking claws 13 a of the upper adapter 4.
13b, the lower part of the locking recess 59 is formed by a tapered part 60 provided on the inner peripheral surface of the insertion hole 55 of the spacer. Tapers 36, 3 of stop claws 13a, 13b
6 so as to fit down to the center in the radial direction (see FIG. 11).

It should be noted that the upper part of the locking concave portion 59 is
Are formed by the back surface of the peripheral portion of the through hole 54.
13b, the device main body 5 is brought into contact with the flat locking portions 37, 37.
The first locking receiving portion 61 for supporting the first member is formed (see FIG. 12).

The lower surface of the spacer 62 is provided with an insertion hole 5.
5 are provided on the left and right locking claws 13a, 1a of the upper adapter 4.
A flat second locking receiving portion 62 for supporting the instrument main body 5 in contact with the flat locking portions 37, 37 of 3b is formed (see FIG. 12).

The lighting equipment is mounted as follows. Attach the upper adapter 4 to the hooking ceiling 2. The attachment and detachment of the upper adapter 4 to and from the hooking ceiling 2 is the same as in the prior art, and therefore detailed description is omitted.
After inserting a pair of blades 3 and 3 protruding from the upper surface of the upper adapter 4 into the wide portions 9 and 9 of the blade insertion holes 8 and 8 of the hooking ceiling 2, the upper adapter 4 is turned clockwise. By rotating, the upper adapter 4 can be attached to the hooking ceiling 2 and also electrically connected. The locking claw 11 abuts on the peripheral edge of the wide portion 9 of the blade insertion port 8, and is prevented from rotating counterclockwise to be locked.

After the upper adapter 4 is attached to the hooking ceiling 2, the first connector 32 of the upper adapter 4 is inserted into the temporarily fixing locking hole 44 and locked to temporarily fix. This prevents the connection cord 30 of the upper adapter 4 and the first connection connector 32 from hanging down when the instrument body 5 is attached and detached, so that the connection cord 30 and the first connection connector 32 do not become an obstacle. Thus, workability can be improved (see FIGS. 1 and 3).

To remove the upper adapter 4 from the hooking ceiling 2, when the lock release button 12 of the upper adapter 4 is pushed inward, the lock claw 11 is immersed in the upper adapter 4.
The contact between the lock claw 11 and the periphery of the wide portion 9 of the blade insertion slot 8 is eliminated. While pushing the lock release button 12 of the upper adapter 4 inward, the upper adapter 4 is rotated counterclockwise with respect to the hooking ceiling 2 so that the pair of blades 3 of the upper adapter 4 Wide part 9 of the blade insertion slot 8,8,
9, the upper adapter 4 is removed from the hooking ceiling 2.

Next, the attachment of the instrument body 5 to the upper adapter 4 will be described. First, as shown in FIG.
The handle 4 of the lock lever 16 of the upper adapter 4 is pulled downward to release the engagement with the release projections 15a and 15b, ie, the lock release position.

The instrument body 5 is supported by both hands, and the upper adapter 4 is aligned with the circular through hole 54 of the instrument body 5 as shown in FIG. 10, and the instrument body 5 is pushed up.

As shown in FIG. 12, when the upper adapter 6 is inserted into the insertion hole 63 of the spacer 6, the tapered portions 36, 36 formed on the lower surfaces of the right and left locking claws 13a, 13b of the upper adapter 4 are not provided. The curling portion 58 formed on the periphery of the through hole 54 of the instrument main body 5 comes into contact with and is guided, and when the instrument main body 5 is further pushed up, the curling portion 58 is raised as the curling portion 58 of the instrument main body 5 rises. Locking claw 1
The left and right locking members 14a, 14b are pressed inward of the upper adapter 4 against the biasing of the biasing springs 39a, 39b of the upper adapter 4 via the tapered portions 36, 36 of 3a, 13b.

As shown in FIGS. 6 to 9, the right and left locking members 14a and 14b move closer to each other toward the center of the adapter base 17 shown by the arrow A, and extend the left locking member 14a. The projecting portion 34a enters the notch 33b for evacuation of the right locking member 14b, and the right locking member 1
The extension 34b of the lock member 4b enters the retreating notch 33a of the left locking member 14a, and the locking members 14a, 14
b of each of the extending portions 34a and 34b
When the end faces of the cut-out notches 33a, 33b of the a and b are respectively abutted, the sliding of the locking members 14a, 14b is restricted, and the locking claws 13a, 13b of the left and right locking members 14a, 14b are restricted. 13b enter the respective claw entrances 22a and 22b of the adapter base 17 (see FIG. 8).

As a result, the upper adapter 4 is inserted into the insertion hole 55 of the spacer 6. When the curling portion 58 of the instrument main body 5 is pushed up to the upper edge of the claw entrances 22a, 22b of the upper adapter 5, the left and right locking members 14a, 14b of the upper adapter 4 are caused to return by the biasing springs 39a, 39b. The upper and lower locking claws 13a and 13b of the upper adapter 4 are pushed outward in the radial direction, respectively, and project into the locking recesses 59 provided in the insertion holes 55 of the spacer 6, respectively. 13b flat locking portions 37, 37
The flat first locking receiving portion 61 in the locking concave portion 59 of the spacer 6 comes into contact with the upper body 4, and the tool body 5 is supported on the upper adapter 4, so that the tool body 5 is attached to the upper adapter 4 ( See FIG. 13).

Next, as shown in FIG. 15, the lock lever 16 on the lower surface of the upper adapter 4 is turned toward the lower surface of the upper adapter 4, and the release projections 15a, 15b are inserted into the lock portion 48 of the lock lever 16. And the locking portion 48 is pushed into and engaged with the lever locking portion 38 projecting from one side surface of the release protruding piece 15b, and the locking portion 48 of the lock lever 16 slides the left and right locking members 14a, 14b. Lock the movement impossible. This can prevent the appliance body 5 from coming off the upper adapter 4 unexpectedly (see FIG. 16).

After the instrument main body 5 is attached to the upper adapter 4, the first connection connector 32 temporarily fixed is removed from the temporary fixing locking hole 44 of the upper adapter 4, and the connector locking provided on the spacer 6 is locked. The first connection connector 32 is connected to and electrically connected to the second connection connector 52 fixed to the hole 57. Thereby, it is possible to prevent the cord from sagging after the attachment of the instrument body 5 is completed, and the appearance is excellent (see FIG. 17).

When releasing the lock of the release projections 15a, 15b, the handle 47 of the lock lever 16 is rotated in a direction away from the lower surface of the upper adapter 4, and the lever engagement of the release projection 15b is performed. The engagement of the lock portion 48 with the stop portion 38 is released, and the lock lever 16 is released from the release protrusions 15a, 15a.
b, the left and right locking members 14a, 14b can be slid simultaneously.

When removing the instrument body 5, the lock lever 16 of the upper adapter 4 is turned to the unlocked position, the instrument body 5 is supported with both hands, and the thumb of the right hand is held on the left hook 13a. Hook the corresponding release projection 15a, put the left thumb on the release projection 15b corresponding to the right locking claw 13b, and slide each of them outward in the radial direction (see FIG. 6).

The left and right locking members 14a and 14b are
Toward the center of the adapter base 17 in the direction indicated by the arrow, the extension 34a of the left locking member 14a enters the retreating notch 33b of the right locking member 14b, and the right locking. The extending portion 34b of the member 14b enters the retreating notch 33a of the left locking member 14a, and the extending portions 34a, 34b of both locking members 14a, 14b.
When the respective end surfaces of the two abut against the respective end surfaces of the retraction notches 33a and 33b of the locking members 14a and 14b, respectively, the sliding of the locking members 14a and 14b is restricted, and the left and right locking members are restricted. The locking claws 13a, 13b of 14a, 14b enter the claw entrances 22a, 22b of the adapter base 17, respectively (see FIG. 7).

As a result, the left and right locking claws 13a, 1 disposed on the upper adapter 4 with respect to the locking recess 59 of the spacer 6
3b is disengaged, and the instrument body 5 is disengaged from the upper adapter 4. The above is the case where the hooking ceiling 2 is of an embedded type.

When the hooking ceiling 2 is an exposed type, as shown in FIG. 14, the tool main body 5 is connected to the left and right locking claws 13a, 13b of the upper adapter 4 shown in FIG.
The device main body 5 is further lifted up from the state where it is locked by the first lock receiving portion 61, and the flat locking portions 37, 3 on the upper surfaces of the right and left locking claws 13a, 13b of the upper adapter 4.
A flat second lock receiving portion 62 on the inner peripheral edge of the lower surface of the spacer 6 is brought into contact with the spacer 7 (see FIG. 14).

Since both the first locking receiving portion 61 and the second locking receiving portion 62 are flat and have a substantially circumferential shape,
Since the fixture body 5 and the spacer 6 can be slid in the circumferential direction of the upper adapter 4 in the engaged state, the fixture body 5 can be rotated even after the fixture body is attached, and the position of the lighting fixture can be arbitrarily determined according to the ceiling. be able to.

As described above, when attaching and detaching the instrument main body 5 to and from the adapter 4, the left and right locking claws 13a, 13
The release operation of b can be easily performed using both hands.

The storage parts required when the left and right locking members 14a and 14b slide are moved to the respective locking members 1a and 1b.
4a, 14b, the retraction notches 33a,
With the configuration of 33b, the left and right storage sections to be stored are rearward of the locking members 14a and 14b (inside the adapter base).
And the upper adapter 4 can be reduced in size.

[0071]

According to the ceiling-mounted lighting fixture mounting apparatus of the present invention, one side of the rear portion of the left and right locking members is cut out to form notched portions for evacuation and extended to the other side of each rear portion. An extended portion is formed, and the extended portion of the left and right locking members and the cutout portion for retreat oppose each other in the sliding direction of the left and right locking members, and are provided on each extended portion of the left and right locking members. Release projection
Since the left and right locking members are arranged so as to be exposed on the lower surface of the upper adapter and to be aligned in a linear direction orthogonal to the sliding direction,
When attaching and detaching the instrument body to and from the adapter, the left and right locking claws can be released with both hands while the instrument body is supported by both hands, and the attaching and detaching operations can be performed easily.

Further, the left and right storage portions to be stored are configured such that the storage portions required when the left and right locking portions slide and move are notch portions for evacuation provided on the other side of each locking member. Does not need to be provided behind each locking member (inside the adapter base), and the size of the upper adapter can be reduced.

Since the first connection connector for making an electrical connection with the spacer can be inserted and locked into the temporary fixing locking portion provided on the lower surface of the upper adapter, it is possible to mount and remove the instrument body. At this time, it is possible to prevent the connection cord of the upper adapter and the first connection connector from sagging, thereby improving workability.

The second connection connector of the instrument main body is locked and fixed to the connector locking portion provided on the spacer, and the first connector is connected to the second connector fixed to the connector locking portion, whereby the device is connected. The cord can be prevented from sagging after the main body has been attached, and the appearance is excellent.

The lock lever is turned toward the lower surface of the upper adapter, and the lock lever is engaged with each of the release projections to lock the respective locking members simultaneously so that they cannot slide. Thereby, it is possible to prevent the appliance main body from coming off from the upper adapter unexpectedly. In order to release the lock, the lock lever is rotated in a direction away from the lower surface of the upper adapter, and the lock lever is released from each release protruding piece so that each locking member can slide simultaneously. .

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a ceiling-mounted lighting fixture mounting apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the upper adapter as viewed from above.

FIG. 3 is a perspective view showing the upper adapter viewed from the lower surface side.

FIG. 4 is an exploded perspective view showing an upper adapter disassembled into an adapter base and a closing plate;

FIG. 5 is an exploded perspective view showing an adapter base and left and right locking members.

FIG. 6 is a bottom view of the upper adapter in a normal state.

FIG. 7 is a perspective view showing an arrangement of left and right locking members in a normal state.

FIG. 8 is a bottom view of the upper adapter when unlocking is performed.

FIG. 9 is a perspective view showing the arrangement of left and right locking members at the time of unlocking;

FIG. 10 is a perspective view of a spacer.

FIG. 11 is a partial cross-sectional view of a spacer.

FIG. 12 is a sectional view of a main part showing attachment of the instrument body to the upper adapter.

FIG. 13 is a cross-sectional view of a main part showing an attached state of the instrument main body in the case of an embedded ceiling.

FIG. 14 is an essential part cross-sectional view showing a mounting state of a device main body in the case of an exposure type ceiling;

FIG. 15 is a perspective view of the upper adapter (when the lock lever is unlocked).

FIG. 16 is a perspective view of the upper adapter (when the lock lever is locked).

FIG. 17 is a perspective view showing an attachment state of the instrument main body to the upper adapter.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lighting fixture mounting device 2 Hook ceiling 3 Plug blade 4 Upper adapter 5 Device main body 6 Lower adapter 7 Sealing base 8 Plug blade insertion opening 9 Wide part 10 Narrow part 11 Lock claw 12 Lock release button 13a Lock claw 13b Lock claw 14a Locking member (left side) 14b Locking member (right side) 15 Release protrusion 16 Lock lever 17 Adapter base 18 Closure plate 19 Upper wall 20 Peripheral wall 21 Storage portion 22 Claw entrance 23 Projection 24 Lock disposition recess 25 Lock member 26 Spring insertion hole 27 Coil spring 28 Column-shaped projection 29 Screw hole 30 Connection cord 31 Cord outlet 32 First connection connector 33 Retraction notch 34 Extension part 35 Square hole 36 Taper part 37 Locking part 38 Lever locking part 39 With Spring 40a First through hole 40b Second through hole 41 Notch 42 Screw insertion hole 43 Notch 44 Locking hole for stopper 45 Support piece 46 Support hole 47 Finger hook 48 Lock part 49 Support shaft 50 Mounting screw 51 Cord 52 Second connector 53 Top plate 54 Through hole 55 Insert hole 56 Screw hole 57 Connector locking Hole portion 58 Curling portion 59 Locking concave portion 60 Taper portion 61 First lock receiving portion 62 Second lock receiving portion

Claims (4)

[Claims] 1. A left and right locking member having a plug blade to be hooked on a hooking ceiling on an upper surface of an adapter base and slidably provided in a radial direction of the adapter base, and a locking claw of the left and right locking members. An upper adapter having an urging spring for urging the adapter base so as to protrude from both sides thereof, and a spacer having a locking receiving portion with which each locking claw of the upper adapter is detachably engaged. In the ceiling-mounted lighting fixture mounting device, the notch for evacuation is formed by notching one side of the rear part of the left and right locking members, and an extension part is formed on the other side of each rear part, Release projections are formed on the lower surface of the extending portion of each locking member to move each of the locking claws from both sides of the adapter base into a state of being immersed against the urging of the urging spring. And extending the left and right locking members. And the notch for evacuation oppose each other in the sliding direction of the left and right locking members, and release protrusions provided on each extension of the left and right locking members are provided on the lower surface of the upper adapter. The lighting fixture mounting device directly mounted on a ceiling, wherein the left and right locking members are arranged so as to be exposed and arranged in a linear direction orthogonal to the sliding direction. 2. The temporary adapter according to claim 1, wherein the upper adapter has a first connector for making an electrical connection with the spacer, and a temporary fixing engagement portion for temporarily fixing the first connector to a lower surface of the upper adapter. The ceiling-mounted lighting fixture mounting device according to claim 1, further comprising: 3. The connector according to claim 1, wherein the spacer includes a connector locking portion that locks a second connector of the instrument main body connectable to the first connector.
Or the lighting fixture mounting device directly attached to a ceiling of 2. 4. A locking position which engages with each of said release projections and makes it impossible for each of said locking members to slide at the same time; 4. The lock lever according to claim 1, further comprising a lock lever that is rotatably operated between a lock release position and a lock release position that enables sliding at the same time. The ceiling-mounted lighting fixture mounting device according to any one of the above.