JP3393744B2 - Lower adapter for ceiling mounted lighting fixture mounting device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling hook
Ceiling-mounted lighting fixtures for attaching lighting fixtures to ceilings
The present invention relates to a lower adapter for a mounting device. 2. Description of the Related Art Conventionally, a fixture for hanging on a hanging ceiling.
And the fixture of the instrument body can be freely attached to and detached from the fixture.
2. Description of the Related Art There is known a lighting fixture mounting device that locks a lighting fixture. For example,
Japanese Patent Application Laid-Open No. 7-37410 discloses a lighting fixture mounting apparatus.
Therefore, the mounting fixture has a substantially disk shape and is
With a pair of blades hooked on the hanging ceiling,
A circumferential groove formed almost all around the outer circumference of the mounting
The outer peripheral edge of the surface is a locking step, and
A lock button is provided on the surface so that it can come and go freely by the bias of the spring,
A lock release button that retracts the lock button against the spring is attached
Is slidably provided in a recess formed on the side of the tool.
You. [0003] Further, the main body of the above-mentioned lighting fixture mounting apparatus.
Is a locking portion which is elastically removably locked to the locking step of the fixture.
And a release operation part for releasing the locking of the locking part.
A locking tool having the same. The latch is opened in the center of the instrument body.
It is placed against the opening provided, and it is attached in the center of the locking device
A fitting tube portion for fitting the fitting is provided, and opposing surfaces of the fitting tube portion are provided.
Are provided with protruding holes, and through each protruding hole.
Storage chambers communicating with the fitting cylinder are formed
Locking sections are slidably accommodated in the delivery room in the radial direction.
And is urged toward the fitting cylinder in the radial direction,
Indicates that the tip of the locking part is projected from the projection hole into the fitting cylinder
And a circle along the peripheral surface of the locking step
It is formed in an arc concave shape, and a taper guide is
Formed from the opening on the bottom of the storage room to the locking part
The release operation unit provided integrally is exposed and provided.
You. [0004] Attachment of mounting fixture to hooking ceiling
Insert the blade into the hooking ceiling and turn the fixture clockwise
And hook the plug blade on the receiving blade on the ceiling side.
This allows the mounting fixture to be mechanically
Attached, and the blade is electrically hooked for sealing
Connected, the lock button of the fixture is hooked and the lock of the ceiling
When the fitting is stopped by fitting into the button fitting recess
In both cases, the attachment is prevented from coming off. Removal of the fixture from the hooking ceiling
Is in the state where the lock release button is pushed in, that is, the lock button
Is retracted against the spring and immersed in the upper surface of the fixture.
The lock button of the fixture is hooked. The recess for fitting the lock button of the ceiling
Turn the fixture counterclockwise while keeping it removed from
I do. [0006] The attachment of the instrument body to the fixture is performed by using a container.
When fitting the fitting tube part of the locking tool provided on the fixture body to the fixture
Then, the taper guide of the locking part contacts the edge of the mounting
The locking part is retracted and fitted into the storage chamber against the spring.
The mating tube part is fitted to the fixture, and the tip of the locking part is
When positioned on the locking step, the locking part is
The protruding portion locks the locking step. [0007] According to this, the attachment is substantially disk-shaped.
Therefore, the instrument body can be rotated in the circumferential direction of the fixture.
In this case, it can be mounted at any rotational position. However, this lighting fixture mounting device is
Release operation part to release the lock of the locking part is established on the lower surface of the locking tool
Release operation part provided integrally with the locking part from the opened opening
Is exposed, so that the fixture
After attaching the body lock, touch the release
The locking part is retracted toward the storage chamber against the spring.
Then, the locking state of the locking tool with respect to the mounting tool is released, and the mounting
There is a possibility that the locking tool of the instrument body may come off from the tool. SUMMARY OF THE INVENTION An object of the present invention is to
The instrument body is unexpected from the adapter attached to the ceiling
Ceiling-mounted lighting that can be prevented from falling off
An object of the present invention is to provide a device mounting device. SUMMARY OF THE INVENTION A ceiling-mounted lighting according to the present invention.
The lower adapter for the instrument mounting device hooks on the hooking ceiling.
Detachable to the upper adapter that has a plug blade on the upper surface
Locked and deployed on the instrument body side to solve the above problem
To insert the upper adapter into the lower adapter base
A fitting hole is provided, and both inner surfaces of the fitting hole face each other.
And an engagement that removably engages with the engagement receiving portion of the upper adapter.
A stop claw is provided, and the both locking claws are
The inner surface of the fitting hole is provided so as to be movable in and out of the fitting hole.
Urges both locking claws to protrude from the inner surface of the hole
A biasing spring is provided, and the locking pawls are connected to the biasing spring.
Retracts from the inner surface of the fitting hole against the bias of
Release knob to be moved on the lower surface of the lower adapter base
Exposed and provided respectively, the retracting movement direction of both locking claws
And the locking pawls with respect to the inner surface of the fitting hole.
The position to lock in the protruding state, and the retraction of both locking claws
The two locking claws that do not interfere with the moving direction
Switching operation to a position where it can move in and out of the plane
Move the lock knob to the lower surface of the lower adapter base.
It is characterized by being provided movably. The upper adapter is a drawer attached to the ceiling surface.
Mechanically attached to the hanging ceiling and
And are electrically connected. Also, the lower adapter is
Attached to. Attachment of lower adapter to upper adapter
The lock knob on the bottom of the lower adapter base.
Move to the lock release position. Lock knob is unlocked
When in the release position, both locks provided on the lower adapter
It is a position that does not interfere with the retraction movement direction of the locking claw,
The pawl is movable with respect to the inner surface of the fitting hole. [0013] Insert the upper adapter into the fitting hole of the lower adapter.
The lower adapter and the edge of the upper adapter
The locking claws abut, and both locking claws are rearward against the urging of the urging spring.
Retracts and sinks into the inner surface of the fitting hole, and both locking claws lock
When it exceeds the receiving part, both locking claws are
Protruding from the inner surface of the fitting hole, the locking receiving part of the upper adapter
The lower claws of the lower adapter are engaged with the lower adapter and the lower adapter is
Is supported and the instrument body is attached to the upper adapter.
You. Note that the upper connector is attached to the connector provided on the instrument body.
By engaging the connector arranged on the connector,
The instrument body is electrically connected to the catch ceiling. Attach lower adapter to upper adapter
After turning the lock knob on the bottom of the lower adapter base,
Move to the lock position. Lock knob in lock position
Is located at the position that interferes with the retraction movement direction of both locking claws.
As a result, the retraction movement of both locking claws is prevented, and as a result, the
The state where both locking claws protrude from the inner surface is maintained, and the upper
Engagement of both locking claws of the lower adapter with the locking receiving part of the
Condition is maintained and the instrument body comes off the upper adapter unexpectedly
Is prevented. Removal of lower adapter from upper adapter
The lock knob on the bottom of the lower adapter base.
To the lock release position and set the lock on the lower adapter.
Moved to a position where it does not interfere with the retraction movement direction of both locking claws
I do. In this state, it is installed on the lower surface of the lower adapter base.
Operate the released release knob to apply both springs
Retreats to the state where it is immersed from the inner surface of the fitting hole against the force
The lower adapter with respect to the locking receiver of the upper adapter.
The engagement state of both locking claws is released. Embodiments of the present invention will be described below with reference to the drawings.
This will be described with reference to FIG. FIG. 1 shows a first embodiment of the present invention.
Ceiling-mounted lighting fixture mounting device using a lower adapter
(Hereinafter simply referred to as a lighting fixture mounting device)
FIG. The lighting fixture mounting device 1 is fixed to the ceiling surface 7.
Up a pair of blades 3, 3 hooked on the hook 2
Upper adapter 4 on the surface and disengagement from upper adapter 4
It consists of a lower adapter 5 that can be freely attached.
You. The lower adapter 5 is supported by the instrument body 6.
The instrument body 6 was attached to the hanging ceiling 2.
To lock the lower adapter 5 with the upper adapter 4
Thus, it is attached to the upper adapter 4. The hanging ceiling 2 is of a conventionally known type.
Therefore, the center of the lower surface of the rectangular parallelepiped sealing base 8 is
A pair of arc-shaped blade insertion holes 9 and 9 are provided around the
The blade insertion ports 9, 9 viewed the hooking ceiling 2 from below.
Wide part 1 at the start end in the clockwise direction of rotation
0, 10 are formed, and the width is narrowed continuously to the start end to the end.
Portions 11, 11 are formed. Also, each blade insertion slot
A plug blade is provided on the inner back surface on the inner side of the narrow portions 9, 9.
A receiving portion (not shown) is provided, and a blade receiving portion is provided.
Conductive connection terminal board (not shown) connected to indoor wiring
Are arranged. Next, the upper adapter 4 will be described. Up
The adapter 4 is an upper adapter base 1 formed in a cylindrical shape.
2 and a square shape surrounding the side peripheral surface of the upper adapter base 12.
And a mounting frame 13. The mounting frame 13 is
The lower adapter 5 is detachably attached to the adapter 4
Frame at the center of the inside of the mounting frame 13.
A tab base 12 is provided rotatably. FIG. 2 shows the upper surface of the upper adapter base 12.
As shown, a pair of blades 3, 3 face each other on the same circumference.
They are arranged in relation to each other. The blade 3 has a substantially inverted L-shape.
And a terminal fixed inside the upper adapter base 12
The leg of the blade 3 is formed integrally with a plate (not shown).
14 is bent upward from the terminal plate,
The tip of the part 14 protrudes from the upper surface of the upper adapter base.
The blade part which is protruded and bent inward at the tip of the leg part 14
15. FIG. 2 shows a top view of the upper adapter base.
As shown in FIG.
In FIG.
Each lock claw 1 for preventing rotation of the dapper 4 in the removing direction
6 and 16 are on the same circumference as a pair of blades 3 and 3, respectively.
The upper adapter 4 is removed
In the moving direction, they are located upstream of the blades 3 and 3, respectively.
Is placed. The lower surface of the upper adapter base 12 is shown in FIG.
As shown, when each of the lock claws 16, 16 in FIG.
Both lock pawls 16 and 16 are upwardly adapted against the urging means.
Each lock release to be immersed inside from the upper surface of the base 12
The members 17 and 17 are arranged to face each other with the center therebetween,
It is provided slidably in the direction perpendicular to the radial direction, and each lock
Each stopper 18, 18 faces the release member 17, 17.
Each is arranged, and in the center, the upper adapter base 12
Simultaneously interferes with each unlocking member 17, 17 on the lower surface
The detachable handle 19 to be mounted is the axis of the upper adapter base 12
It is provided rotatably about the direction. The periphery of the lower surface of the upper adapter base 12
The cord 20 connected to the terminal board extends downward.
At the same time, as shown in FIG.
A connection connector 21 is attached. The upper adapter base 12 is provided as shown in FIG.
The base body 22 and the lower surface of the base body 22
Closing plate including a closing plate 23 and a detachable handle 19 to be removed.
Assembly 24. The base body 22 is located on the upper surface of the base body 22.
Is formed, and the peripheral edge of the upper wall 25 is
The upper flange 26 is formed on the annular upper flange 26 and
A chamfered portion having an arc-shaped cross section over the entire circumference at the upper part of the flange portion 26.
27 is formed, and the lower end of the base
An upper flange portion 28 is provided, and an upper flange portion 26 and a lower
Between the base flange portion 28 and the entire periphery of the base body 22.
A mounting groove 29 is formed over the entire surface. On the back surface of the upper wall 25 of the base body 22,
The blade corresponding to each position of the pair of blades 3, 3
3 for attaching a terminal board (not shown) integrally provided
Are provided with terminal plate disposing recesses (not shown), respectively.
In the terminal plate disposing recess, there is a plug blade communicating with the upper surface of the upper wall 25.
Holes 30, 30 are provided at opposing positions with respect to the center.
At the same time, the mounting screw holes 31 for mounting the terminal plate are formed.
Each is provided (see FIG. 4). Although not shown, the terminal plate is a base book.
The blade 3 of the terminal plate is inserted into the blade through hole 30 from the back side of the body 22.
The tip of the base 14 from the middle of the leg 14 of the blade 3
22 (see FIG. 4), the terminal board disposing recess
Screw (see FIG. 1) inserted through the terminal board into the mounting screw hole 31 of FIG.
) And fixed in the terminal board recess.
ing. Each terminal plate has a connection cord shown in FIG.
One ends of the leads 20 are connected by soldering, respectively.
The other end of the continuation cord 20 is a cord provided on the closing plate 23.
It is inserted through the outlet 32 and extends to the lower side of the upper adapter 4.
As shown in FIG. 1, the other end of the connection cord 20 is used for connection.
A connector 33 is provided. Also, on the back surface of the upper wall 25 of the base body 22,
Is a lock provided for each of the pair of blades 3, 3.
FIG. 11 corresponds to the positions of the pawls 16 and 16 respectively.
The lock disposition recesses 34, 34 shown face each other across the center.
Provided in each of the lock disposing recesses 34, 34,
Lock claw through holes 35, 35 communicating with the upper surface of the upper wall 25 are in the middle.
It is provided at each opposing position with the heart in between (see FIG. 4).
See). In FIG. 4, each lock disposing recess 34, 3
4 is opposed to the periphery of the base body 22 with the center interposed therebetween.
And the front and rear directions are opposite to each other.
It is formed so that it becomes. As shown in FIG.
The back of the upper wall 25 of the base body 22 forming the front
Front wall 36 that rises and base body forming both sides
Side walls 37 (one side) rising from the back of the upper wall 25
Only shown) and the upper wall 2 of the base body 22 forming the rear.
5 surrounded by a stopper 18 rising from the back surface
The lower end of the stopper 18 is
Of the upper adapter base 12
Protruding from the lower surface. As shown in FIG.
The locking member 38 having the locking claw 16
A screw 39 and a lock release member 17 are provided. Lot
The lock claw 16 is provided on the upper surface of the
Spring insertion holes (not shown) are provided, and taper sliding on both sides
The part 40 is provided in a protruding manner. Note that in FIG.
The moving part 40 is shown only on one side. The unlocking member 17 is locked at its front part.
Arms closely arranged at the rear and both sides of the member 38
41 is formed, and extends downward at the rear portion to form an upper adapter.
An operation piece 42 protruding from the lower surface of the filter 4 is provided.
In FIG. 11, only one side of the arm 41 is shown.
At the lower part of both arms 41 of the lock release member 17, a lock
Taper engagement part 43 which fits taper slide part 40 of material 38
Are formed. As shown in FIG. 11, the unlocking member 17
The lock release member 17 is
The arms 41, 41 are arranged, and the unlocking member is provided.
The operation piece 42 projects from below the lock disposing recess 34.
And slidably arranged in the front and rear direction of the lock arrangement recess 34
The lock member 38 is provided on both arm portions of the lock release member 17.
41, 41 and is provided on the upper surface of the lock member 38.
The locked claw 16 is fixed to the upper wall 25 of the lock disposition recess 34.
The lock release portion is inserted into the lock claw through hole 35 of the
Taper member formed at the lower part of both arms 41 of material 17
The tapered sliding portion 40 of the lock member 38 abuts on the joint portion 43.
And a spring inserted on the lower surface of the lock member 38.
A biasing spring 39 is inserted into the hole from its upper end to halfway,
The closing plate 23 attached to the lower surface of the base body 22
As a result, the lower end of the biasing spring 39 is supported in contact with the base body.
22 is disposed in the lock disposing recess 34 on the back surface. For this reason, the lock member 38 is
Biased upward by the lock claw
16 protrudes from the lock claw through hole 35 to the upper surface of the base body 22.
And the lock member 38 is tapered.
The sliding portion 40 engages the taper engagement portion 43 of the unlocking member 17.
By the taper function of pressing from below, the lock member
38 and the taper of the unlocking member 17
The engagement portion 43 is brought into contact with and coincides with the lock release member 17.
And is urged to be located on the front side of the
(See FIG. 11). The closure assembly 24 is shown in FIG.
The closing plate 2 attached to the lower surface of the base body 22
3, the detachable handle 19, and the detachable handle 19 are closed.
A support plate 44 for rotatably supporting the lower surface of the closing plate 23
And a tension spring 45. The closing plate 23 is connected to the lower frame of the base body 22.
This is a metal disk having substantially the same diameter as the flange 28, as shown in FIG.
In the center, the upper center of the detachable handle 19
A circular fitting hole 46 for fitting is formed,
The circular fitting hole portion communicates with a part of the periphery of the circular fitting hole portion 46.
A half larger than the radius of the circular fitting hole 46 concentrically with
A key groove hole 47 which is cut out in an arc shape with a diameter is formed. Further, the closing plate 23 is
It corresponds to the arrangement position of each lock arrangement concave portion 34, 34.
Insert the operation piece 42 of the lock release member 17 into the base
Guide for guiding in a direction perpendicular to the radial direction of the main body 22
And the guide holes 48 are formed.
For inserting the stopper 18 in communication with the
Through holes 49 are drilled, each at a predetermined position near the periphery.
Mounting holes 50, 50 and a cord insertion hole 51 are formed,
A spring locking hole 52 is provided in the vicinity of the slot portions 47, 47.
I have. The detachable handle 19 has a diameter of the closing plate 23.
A rod portion 53 arranged along the direction,
In the center, a column that protrudes on both sides and the upper side of the rod 53
A projection 54 is provided, and a cylindrical projection is provided on the upper surface of the cylindrical projection 54.
Circular fitting provided on the closing plate 23 with a smaller diameter than the portion 54
When the circular fitting projection 55 that fits into the hole 46 is provided,
In both cases, along the inside of the key groove 47 provided in the closing plate 23.
The circumferential dimension is adjusted so that the keyway hole
The arc convex key rib 56 formed shorter than 47 is
Integral from one side edge of the circular fitting convex portion 55 toward the outside in the radial direction
And is provided on the upper surface of the circular fitting projection 55.
A mounting screw hole 57 is provided in the center, and a columnar shape is provided near the periphery.
A positioning dowel 58 protrudes. The support plate 44 is, as shown in FIG.
23 and the like and the radius of the arc-shaped key groove hole portion 47 provided in
It has a circular shape and its outer edge extends radially outward.
And a bent piece 59 bent further upward is formed.
It is formed integrally with the rising wall 60 of the bent piece 59.
Is provided with a spring locking hole 61, and in the center of the support plate 44
A screw insertion hole 62 is provided.
Slightly larger than the positioning dowel 58 provided on the dollar 19
A positioning hole 63 is formed. The closure assembly 24 is assembled as follows.
I can As shown in FIG.
The circular fitting holes 46 provided in the center of the closing plate 23
The center of the handle 19 that can be removed from the keyway hole 47
Circular fitting projection 55 and key rib 56 provided on the upper part
And insert it. Thereby, the circular fitting hole 46 is
The inner edge of the surrounding closing plate 23 is the circle of the detachable handle 19.
It is in contact with the upper surface of the projection 54 and the circle of the closing plate 23.
The circular fitting projection 5 of the detachable handle 19 in the shape fitting hole 46
5 is guided, and the keyway hole 4 provided in the closing plate 23 is provided.
An arc-shaped convex key rib 56 of the detachable handle 19 is provided in 7.
When the handle 19 enters, the handle 19 is turned with respect to the closing plate 23.
When moved, one side edge 47a in the radial direction of the key groove hole portion 47
And the other side edge 47b, the arc convex of the detachable handle 19
Key ribs 56 extend in the circumferential direction along the key groove 47
It can be moved. Next, from the upper surface of the closing plate 23, the support plate 4
4 is fitted into the positioning hole 63 provided in
The positioning dowel 58 projecting from the upper surface of the mating projection 55 is inserted.
Then, the handle 19 and the support plate 44 are positioned.
Then, insert the mounting screw 64 into the screw insertion hole 62 of the support plate 44.
After passing through, the tip of the mounting screw 64 is
Detachable by screwing into provided mounting screw hole 57
On the upper surface of the circular fitting projection 55 of the handle 19
The plate 44 is attached. The support plate 44 has a circular fitting hole formed in the closing plate 23.
Since the diameter is larger than 46, the detachable handle 19 is
The support plate 44 attached to the circular fitting projection 55
3 and supported rotatably on the lower surface of the closing plate 23.
Supported. Note that the range in which the detachable handle 19 can be rotated is set.
As described above, the surrounding area is the arc convex shape of the detachable handle 19.
The key rib 56 extends in the radial direction of the key groove 47 of the closing plate 23.
Movable range between one side edge 47a and the other side edge 47b
It is. Next, a spring locking hole provided in the closing plate 23
Hook one end of the tension spring 45 on the 52 and lock it.
At the same time, the spring locking provided on the bent piece 59 of the support plate 44
Hook the other end of the tension spring 45 into the hole 61 and lock it
You. With the urging force of the tension spring 45, the support plate 44
An integral detachable handle 19 is indicated by arrow A in FIG.
In the direction of the handle 19
The arc-shaped key rib 56 is formed in the key groove hole 47 of the closing plate 23.
Is in contact with one side edge 47a in the radial direction. Below the base body 22 of the closure assembly 24
As shown in Fig. 4, the mounting screws
Mounting holes 50, 65 provided in the closing plate 23,
After passing through the end of the mounting screws 65,
Provided on the lower surface of the lower flange portion 28 of the
Screwed into a screw hole (not shown)
The closing assembly 24 is attached to the lower surface of the
The adapter base 12 is assembled. In addition, each lock release
The action pieces 42, 42 of the removing members 17, 17 are provided on the closing plate 23.
Through the guide holes 48, 48
The stoppers 18 and 18 are projected below the
The stopper through holes 49, 49 provided in the closing plate 23
And project below the upper adapter base 12,
The stoppers 18, 18 are on the rear side of the guide holes 48, 48.
(See FIGS. 3 and 11). Next, the mounting frame 13 will be described.
The mounting frame 13 has a rectangular shape, as shown in FIG.
On the upper side of the base plate 66, a reinforcing plate 67 and a frame member 68 are sequentially arranged.
It is polymerized. Center of frame base plate 66 and reinforcing plate 67
From the lower flange portion 28 of the upper adapter base 12
Also slightly larger circular openings 69a, 69b
Provided at the four corners of the frame base plate 66 and the reinforcing plate 67,
Screw insertion holes 70 and 71 are provided respectively. As shown in FIG. 6, the center of the frame member 68
Is larger than the upper flange portion 26 of the upper adapter base 12.
A slightly larger circular opening 72 is provided.
Notched concave portions 73 are provided at four diagonal positions on the inner peripheral surface of
Are provided, and one side wall 74 forming each cutout recess 73 is provided.
The tip protrudes inward from the inner peripheral surface of the opening 72
Elastic pieces 75 are provided in the circumferential direction, respectively.
A locking claw 76 is provided at the tip of the piece 75. Also,
On the four sides of the frame member 68, in the thickness direction of the frame member 68,
From the top of the side to the bottom of the side.
2 and a tapered portion 77 is provided.
And FIG. 3). In addition, at the four corners on the lower surface of the frame member 68,
Screw holes (not shown) are provided. The mounting frame 13 is assembled as follows.
It is. Reinforcing plate 67 is placed on top of frame base plate 66
Further, a frame member 68 is overlapped on the upper surface of the reinforcing plate 67.
When the frame base plate 66 is
The screw insertion holes 70 and 71 provided at the four corners of the strong plate 67
Insert the mounting screws 78 into the
Screw the ends into the screw holes provided at the four corners on the lower surface of the frame member 68.
(See FIG. 3). The front, rear, left and right sides of the mounting frame 13
On the surface, the tapered portion 77 of the frame member 68 and the lower side of the frame member 68
Mating with the flat upper surface of the reinforcing plate 67 arranged at
A recess 79 is formed. The fitting recess 79 will be described later.
Provided on the lower adapter 5 provided on the side of the instrument main body 6.
One to lock the two locking claws respectively
The upper part inside the fitting recess 79 is suitable for the shape of the locking claw.
The tapered portion 77 of the frame member 68 to be fitted
Of the reinforcing plate 67, which is the lower part of the inside of the
The unit 80. In addition, before and after the upper surface of the mounting frame 13 and
The left and right side edges are formed by two engaging members provided on the lower adapter 5.
Flat second locking receiving portions 81 for locking the locking claws respectively
It is said. The upper adapter 4 is assembled as follows.
You. As shown in FIG.
Openings of frame base plate 66 and reinforcing plate 67 of attachment frame 13
The upper adapter base 12 is attached to the upper parts of the parts 69a and 69b.
Insert from the flange part 26 side, and
Press in the adapter base 12. The upper flange 2 of the upper adapter base 12
6 is inserted into the opening 72 of the frame member 68 of the mounting frame 13.
When the frame member 68 is opened, the peripheral edge of the upper flange portion 26 is opened.
Presses four elastic pieces 75 provided on the inner peripheral surface of the mouth 72
By doing so, each elastic piece 75 is turned radially outward.
Each of them is elastically deformed and the diameter of the opening 72 is expanded.
The upper surface of the upper flange portion 26 of the stopper base 12 is a mounting frame.
When they substantially coincide with the upper surface of the body 13, the four
The elastic piece 75 is elastically restored and the locking claw at the tip of each elastic piece 75
Reference numeral 76 denotes the entire circumference of the peripheral surface of the upper adapter base 12.
Into the mounting groove 29 provided by the
The upper adapter base 12 is prevented from coming off in the axial direction.
And around the mounting groove 29 of the upper adapter base 12.
A mounting frame 13 is rotatably arranged over the entire circumference.
(See FIG. 8). Next, the upper adaptation to the hooking ceiling 2
The attachment and detachment of the tab 4 will be described. First, the upper adapter for the hooking ceiling 2
The adapter 4 is mounted on the lower surface of the upper adapter base 12.
The detachable handle 19 is supported with fingers, and the upper adapter shown in FIG.
A pair of blades 3, 3 protruding from the upper surface of the
Width of a pair of arc-shaped blade insertion holes 9, 9 of the hooking ceiling 2
After being inserted into the wide parts 10 and 10, respectively, as shown in FIG.
When the upper adapter 4 is viewed from below, the handle
19 is rotated clockwise as indicated by arrow A. When the upper adapter 4 is viewed from above,
The handle 19 is rotated counterclockwise.
9, as shown in FIG.
Of the key groove hole 47 of the closing plate 23
9 is in contact with one side edge 47a of the
The detachable handle 19 is turned counterclockwise as indicated by the arrow a.
Therefore, the key ribs 56 are
47 is pressed against one side edge 47a in the radial direction.
With the counterclockwise rotation of the wearing handle 19, the closing plate 2
3 also rotates counterclockwise as a unit, that is, the upper adapter
The base 12 rotates counterclockwise with respect to the mounting frame 13.
You. In FIG. 3, the upper adapter base 12 is
Rotate clockwise as indicated by arrow A with respect to the mounting frame 13.
In FIG. 1, the pair of blades 3 and 3 are plugs.
Move along the wide portions 10, 10 of the blade insertion ports 9, 9, respectively.
The blade portions 15, 15 of the pair of blades 3, 3 shown in FIG.
Each of the pair of narrow portions 11 of the hooking ceiling 2 of FIG.
11 are supported by the blade receiving portions on the inner back surface at the back of
And the blades 3 and 3 are
Electrically connected to the connection terminal board provided in the connection part
State. Also, the upper adapter base 12 is hooked
When the upper adapter base 12 contacts the lower surface of the
A pair of lock claws 16, 16 projecting from the upper surface
It is pressed by the lower surface of the ring base 8 and
Pushes the lock member 38 against the urging of the urging spring 39.
In order to lower, the lock claw 16
It is immersed in the hole 35 of the hook claw. At the same time, the locking member 38
The tapered sliding portion 40 of the
Engaged above the tapered sliding portion 40 of the locking member 38.
The unlocking member 17 provided with the tapered engagement portion 43 also has its own weight.
Go down further (see FIG. 12). Thereafter, a pair of stoppers of the upper adapter base 12
The blades 3, 3 are a pair of blade insertion holes 9, 9 of the hooking ceiling 2.
Is rotated to the end of the narrow portion 11
Each of the claws 16, 16 has a pair of blade insertion holes 9, 9 wide.
Portions 10 and 10, and the return force of the biasing spring 39
Protrudes upward and fits into each wide part 10
No. In this state, the hook seal of the upper adapter base 12 is
Counterclockwise rotation with respect to the ring 2
In the direction to remove the upper adapter base 12 from the ring 2
Is inserted into each of a pair of lock claws 16 and 16 and a pair of blades.
Each of the wide portions 10, 10 of the mouth 9, 9
Locked by contact, preventing upper adapter 4 from coming off
Is In addition, the ceiling 2 of the upper adapter 4
To remove them, place the upper adapter 4 on the lower side as shown in FIG.
The handle 19 in the counterclockwise direction
Rotate toward When the upper adapter 4 is viewed from above,
The handle 19 is rotated clockwise.
9, as shown in FIG.
Of the key groove hole 47 of the closing plate 23
9 from the state in which it is in contact with one side edge 47a of FIG.
The detachable handle 19 is rotated clockwise as indicated by the mark b.
Therefore, the support plate 44 integrated with the key rib 56 shown in FIG.
Against the urging force of the tension spring 45 that is pulling
Wear handle 19 rotates clockwise with respect to closing plate 23
And each of the rod portions 50 of the detachable handle 19 near both ends thereof.
Side faces project to the opposite position on the lower surface of upper adapter base 12
Provided on each of the unlocking members 17
When they come into contact with the action pieces 42 at the same time, they are pressed.
The Rukoto. Further, the detachable handle 19 is indicated by an arrow b.
When rotated clockwise, the rod portion 5 of the detachable handle 19 is rotated.
0, the unlocking members 16,
The sixteen working pieces 42 are connected to the respective guide holes 4 of the closing plate 23.
8, 48, and in FIG.
The lock release member 17 is locked against the bias
Slides rearward, and at this time, the unlocking member 1
7 and the taper sliding portion of the lock member 38
40 and the taper action in the direction of reducing the contact portion with each other
As a result, the lock member 38 is opposed to the urging of the urging spring 39.
It is pushed down, and in FIG.
The hook 16 is inserted into the lock hook hole 35 of the upper adapter base 12.
Immerse, insert the lock claw 16 and the plug blade on the hooking ceiling 2 side
The contact with the periphery of the wide portion 10 of the mouth 9 is released, and the lock is released.
The state is removed (see FIG. 13). Also, in FIG.
Is rotated clockwise with respect to the closing plate 23 as shown by the arrow b.
Then, the key rib 56 of the detachable handle 19 is moved to the closing plate 2.
3 toward the other side edge 47b in the radial direction of the key groove hole portion 47.
When the key rib 56 of the handle 19 is removed,
Abuts against the other side edge 47b in the radial direction of the key groove portion 47
Approximately at the same time as the operation pieces 4 of the unlocking members 17
2 and 42 abut against the stoppers 18 and 18 (see FIG. 10).
See). Subsequently, in FIG.
When the file 19 is rotated clockwise as indicated by the arrow b,
One side near both ends of the rod portion 53 of the handle 19 is locked
The action pieces 42, 42 of the release members 17, 17 are
The state pressed against the toppers 18, 18 is maintained, that is,
Keep the pair of lock claws 16 and 16 in the unlocked state.
Also, the key rib 56 of the detachable handle 19 is
Pressing the other side edge 47b in the radial direction of the key groove hole portion 47.
And Therefore, the clockwise turning of the detachable handle 19 is performed.
The closing plate 23 side also rotates clockwise with the movement, that is,
Adapter base 12 is clockwise with respect to mounting frame 13
To rotate. In FIGS. 1 and 3, the detachable handle
19 and the upper adapter base 12 is unlocked.
Rotating counterclockwise with respect to the mounting frame 13
Therefore, a pair of lock claws 16, 16 and a pair of
Elimination of contact with the periphery of the wide portion 10, 10 of the entrance 9, 9
Hold the upper adapter base 12 while holding the
Can be rotated counterclockwise with respect to the ceiling 2
And a pair of blades 3 and 3 of the upper adapter base 12 are hooked.
Wide portion 10, 1 of a pair of blade insertion holes 9, 9 of the ring 2
After moving the upper adapter 4 to the ceiling 2
And remove it. As described above, the upper adapter 4 is
The removal direction of the adapter 4 with respect to the hooking sealing 2
Not only one lock claw 16 to stop rotation, but a pair
For each of the blades 3, 3
When the upper adapter 4 is attached to the hooking ceiling 2
Of the upper adapter 4 from the hooking ceiling 2
Will have a high degree of safety. Further, the hooking ceiling 2 of the upper adapter 4
At the time of mounting to the upper adapter 2
Supports the detachable handle 19 and attaches it
Can be mounted simply by turning the
Compared to the one that rotates while holding the entire dapter 4 in hand
Be, for example, with one hand even a child with a small grip strength
Easy to install, easy and easy to install
You. Further, the hook sealing 2 of the upper adapter 4
To remove the upper adapter 4
How to support and remove the detachable handle 19
Just rotate in the direction, press the unlock button,
While holding this state, the entire upper adapter was grasped in hand
Compared to the operation of rotating while holding,
Easy and easy to remove. Next, the lower adapter 5 will be described. under
The adapter 5 is superimposed on the instrument body 6 as shown in FIG.
The mounting plate 82 to be mounted and the lower
And a adapter base 83. As shown in FIG.
Central part of the instrument body 6, mounting plate 82 and lower adapter base
In the center of 83, the upper adapter 4
A slightly larger square fitting hole 84 is provided. The lower adapter base 83 is shown in FIG.
Thus, the upper, lower, left and right side edges of the square fitting hole 84 are formed.
Frame portion 85, and the frame portion 85 faces each other.
Tension that protrudes from the left and right side edges outward in the left-right direction in a substantially rectangular shape
Protrusions 86, 86 are provided integrally with each other.
As shown in FIG.
The storage portions 87, 8 formed in a hollow shape so as to communicate with the fitting holes 84.
7 are provided. In FIG. 15,
Shows only one of them. As shown in FIG. 14, the left and right overhang portions 86,
On the lower surface of 86, on the inner side closer to the frame portion 85 side, the left and right
It communicates with the storage portions 87, 87 and has a square fitting hole 84.
Rectangular release knob holes 8 along the left and right side edges of
8, 88 are provided respectively, and as shown in FIG.
Release knobs 89, 89 rotate in through-holes 88 for removal knobs
Arranged freely, and on the inner surface of the fitting hole 84 in the left-right direction,
As shown in FIG. 16, it communicates with the left and right storage parts 87, 87.
Locking claw through holes 90, 90 are respectively provided facing each other.
ing. The release knob 89 is, as shown in FIG.
An operation piece portion 91 is integrally provided at the center thereof, and a fitting hole 84 is provided.
Release both ends in the direction along the left and right side edges of the knob through hole
A pivotal support is provided on both side walls (not shown) inside 88 so as to be rotatable.
And the operation piece 91 is connected to the lower adapter base 8.
3 is provided to be exposed on the lower surface. The storage portion 8 inside the left and right overhang portions 86, 86
In FIG. 7, as shown in FIG.
The lower adapter base 83 is slidably provided in the left-right direction.
ing. At the tip of the locking member 92, a locking claw 93 is provided.
As shown in FIG.
Is provided with a notch 94 cut in a rectangular shape,
At the approximate center of the lower surface of the member 92, an engagement recess 95 is provided.
I have. The locking claw 93 is, as shown in FIG.
A pawl portion 96 is formed, and a flat locking portion 97 is provided on the lower surface.
Is formed. The outer edges of the left and right storage portions 87, 87 are formed.
A spring for positioning an urging spring 99 inside the outer wall 98
A storage recess 100 is provided, and a spring storage recess of the storage portion 87 is provided.
100 between the rear end of the locking member 92 and the lower adapter base.
Left and right engagements provided on the inner side surface of the fitting hole 84 at the center of 83
The left and right locking claws 93 project from the locking claw through holes 90 respectively.
There are 99 biasing springs for biasing
(See FIG. 15). The release knob 89 is shown in FIG.
As shown in FIG.
Slightly obliquely intersects the direction of extension with the operation piece 91 from
And projecting upward on both sides in the middle
And a supporting shaft portion 102 provided. Release knob 89
The support shaft portion 102 of the lower
Both side edges of the release knob through hole 88 on the lower surface of the stopper base 83
, And the operation piece portion 91 of the lower adapter base 83
Is projected from the lower surface of the
The engaging recess 95 of the locking member 92 provided in the housing portion 87
The action piece 101 is inserted into the rear wall 103 of the engagement recess 95.
It is in a state of contact with. In FIG. 14, the left overhang portion 86 is provided.
a corner between the outer edge of the upper surface of the
The corner between the outer edge of the upper surface of the overhang portion 86b and the lower edge on the lower side
The lock knobs 104, 104
Unlock position along each outer edge of the overhangs 86a, 86b
Switchable between the lock position and
ing. Each of the lock knobs 104 is shown in FIG.
As shown in FIG.
The lock 105 facing the inside and the lower surface of the overhang 86 at the bottom
An operation plate portion 106 that is arranged to be exposed is integrally provided. The lock knob 104 is used to release the lock.
In the position, as shown in FIG.
05 is at the rear of the storage section 87 of the lower adapter base 83
And a rectangular cutout 94 provided at one rear side of the locking member 92.
In the lock position
As shown in FIG. 19, the lock portion 105 has a lower adapter.
A locking member is provided at the rear of the storage portion 87 of the
92 is disposed at a position where it contacts the rear end surface 92a. Next, the upper door attached to the hooking ceiling 2
For attaching and detaching the instrument body 6 to and from the adapter 4
explain about. Attachment of the instrument body 6 to the upper adapter 4
In case of injury, lower adapter 5 attached to instrument body 6
This is carried out by engaging with the adapter 4. What
Provided on left and right overhangs 86a, 86b of lower adapter 5
The operating plate 106 of the lock knobs 104, 104
106 is moved to the unlock position shown in FIG. In the center square fitting hole 84 of the lower adapter 5
Align the square mounting frame 13 of the upper adapter 4
When the main body 6 is pushed up, as shown in FIG.
The mounting frame 13 of the upper adapter 4 is fitted into the fitting hole 84.
At this time, the lower adapter 5 is protruded so as to face the fitting hole 84.
Tapered portions 9 formed on the upper surfaces of the locking claws 93, 93
6, 96 are provided on the lower left and right edges of the mounting frame 13, respectively.
Guided in contact, as shown in FIGS. 16 and 18,
The rear end of the locking member 92 of the lower adapter 5 faces the fitting hole 84
Locking member 9 against the urging of urging spring 99
2 is retracted into the storage portion 87, and the fitting hole 84 of the lower adapter 5 is
Claw 93 projecting into the claw through hole 90
Enter. At this time, the lock portion 105 of the lock knob 104
Is a locking member that does not interfere with the rear end surface 92a of the locking member 92.
92 goes into a square notch 94 provided on one side of the rear part,
Frame for mounting upper adapter 4 in fitting hole 84 of lower adapter 5
13 is inserted. The upper adapter 4 is inserted into the fitting hole 84 of the lower adapter 5.
Of the lower adapter 5 at the same time when the mounting frame 13 of
The locking claw 93 is located in front of the fitting recess 79 of the upper adapter 4
And the locking portion is returned by the return force of the urging spring 99 of the lower adapter 5.
The members 92, 92 are pushed forward, and the locking claws 93, 93
The mounting frame 13 of the upper adapter 4 which is projected through the fitting hole 84.
Into the fitting recesses 79 on both sides facing each other
The first locking receiving portions 80, 80 of the fitting recesses 79, 79
And the locking portion 9 below the locking claws 83 of the lower adapter 5.
7 and 97 are supported respectively and the instrument body 6 is an upper adapter
4 (see FIG. 20). At this time, the frame 13 for mounting the upper adapter 4
Is rotatable with respect to the upper adapter base 12.
Then, the instrument main body 6 is arbitrarily rotated with respect to the ceiling to a desired rotation.
It can be placed in a turning position. Also, as shown in FIG.
The connector 21 of the adapter 4 is connected to the connector 21 of the instrument body 6.
By connecting to the connector 107, the appliance body 6
Connected. It should be noted that the upper
After the adapter 4 is attached, the upper
Before installing the fixture body 6 against the border of the ceiling
Upper adapter base to fit mounting orientation
12, the mounting frame 13 is rotated with respect to the upper adapter 4.
The opposite side edges of the rectangular mounting frame 13 are attached to the instrument body 6.
Can be adjusted to the direction, and this way, the instrument book
Limited so that the body 6 cannot be freely rotated with respect to the ceiling
Even in the arrangement position, the instrument body 6 is quickly moved to the upper adapter 4.
Can be attached to In the example shown in FIG. 20, the hooking ceiling 2 is
In the case of an embedded type that does not relatively protrude from the well surface 7
Container for upper adapter 4 attached to hooking ceiling 2
This is an explanation of the mounting of the tool body 6.
In this case, the first locking receiving portion 80 on the lower side of the upper adapter 4
The locking claws 93 of the lower adapter 5 are supported by 80. Further, the hooking ceiling 2 is large from the ceiling surface 7.
In the case of the exposed type that is protruding sharply,
The outer edge of the upper surface of the mounting frame 13 is referred to as a second locking receiving portion 81.
You. First, as described above, as shown in FIG.
Fitting recesses 79, 7 on both sides of mounting frame 13 of adapter 4
9 engage the opposing locking claws 93 of the lower adapter 6.
State, and from this state, the instrument body 6 is further moved.
Push up. When the device main body 6 is pushed up, the mounting frame 1 is
The lower adapter is formed by the tapered portion 77 on the upper surface of the third fitting recess 79.
The upper tapered portion 96 of the locking claw 93 of the plug 5 is pressed,
The opposite locking members 92 of the lower adapter 5 are respectively
Engaging member 9 against urging of urging springs 99, 99
2 and 92 are respectively retracted into the storage portions 87 and 87 on both sides.
And a locking claw at the tip of the locking members 92, 92 of the lower adapter 5.
93, 93 are located above the mounting frame 13 of the upper adapter 4.
When it is placed, the locking member is actuated by the return force of the biasing springs 99, 99.
92, 92 are pushed forward to attach the upper adapter 4
The second lock receiving portions 81, 81 on the upper surface of the opposite side edge of the frame 13 are engaged.
The locking portions 97 on the lower surface of the pawls 93 are supported.
The instrument body 6 is attached to the upper adapter 4 (FIG.
21). In this state, as shown in FIG.
The four opposite sides of the rectangular mounting frame 13 of the upper adapter 4
The upper part of the side edge is located in the square fitting hole 84 of the lower adapter 5.
It fits snugly and is stable.
Mounting frame for the upper adapter 4 that is rotatable with respect to the
The body 13 and the lower adapter 5 are
It is rotatable integrally with the enclosure. For this reason, the instrument body 6
Rotate arbitrarily with respect to the well and place it in the desired rotation position.
Can be. Incidentally, for the exposed type hooking ceiling 2
After attaching the upper adapter 4,
Before the fixture body 6 is attached,
Adjust the upper adapter to fit the mounting
The mounting frame 13 is rotated with respect to the
The opposite side edges of the square mounting frame 13 of the dapper 4 are attached to the appliance body.
6 can be adjusted in the mounting direction.
It is like. Then, the tool body 6 with respect to the upper adapter 4
After attaching the left and right lock knobs 1 of the lower adapter 5
04, 104 slide the operation plate 106, 106 respectively
Operate to switch to the lock position shown in FIG.
Locks 105 and 105 of knobs 104 and 104 are locked
The two end portions are brought into contact with the rear end surfaces of the members 92 and 92, respectively.
The material 92, 92 is prevented from retreating to the storage portion 87, 87,
The locking claws 93 are locked in a protruding state. [0109] Both the inner and outer sides of the fitting hole 84 of the lower adapter 5
The state in which the locking claws 93, 93 are projected is maintained.
The first locking receiving portion 80 or the second locking receiving portion 80 of the upper adapter 4.
Engagement of both locking claws 93 of the lower adapter 5 with respect to the portion 81
Since the combined state is maintained, the instrument body 6
It is prevented from coming off unexpectedly. Removal of the main body 6 from the upper adapter 4
First, the left and right lock knobs 10 of the lower adapter 5
The sliding operation of the operation plates 106 and 106
To switch to the unlock position shown in FIG. Next, as shown in FIG.
Release knobs exposed on the lower surfaces of the portions 86a and 86b.
The operation pieces 91, 91 of the
That is, it turns toward the fitting hole 4 side. In FIG. 15, the lower side of the release knob 89 is shown.
The operation piece portion 91 is operated toward the fitting hole 4 side indicated by the arrow C.
Then, the release knob 89 is attached to the support shaft 1 on both sides of the intermediate portion.
02 rotates clockwise around the center, and the release knob 89
When rotated, the action piece 101 on the upper side of the release knob 89
Will be moved toward the outside of the overhang portion 86,
Working piece 10 inserted into engagement recess 95 of locking member 92
1 is in contact with the rear wall 103 of the engagement recess 95.
Pressing the rear wall 103 of the engagement recess 95 outward while keeping the state
As a result, the locking member is pressed against the urging of the urging spring 99.
92 is retracted into the storage portion 87 and the lower adapter 5 is fitted.
The locking claws 93 projecting from the mating holes 84 are inserted into the locking claw through holes 9.
Immerse yourself in 0. Thus, the frame 1 for mounting the upper adapter 4
3 on the first locking receiving portion 80 or the mounting frame 13 on both sides
The lower adapter 5 is opposed to the second locking receiving portion 81 on the surface.
The engagement states of the locking claws 93, 93 are released, and the
By moving the tool body 6 downward, the upper adapter 4
The instrument body 6 can be removed from the device. The operating pieces 9 of the release knobs 89, 89
1 and 91, the return force of the biasing spring 99 is released.
The locking member 92 is moved to the fitting hole 84 side by the
As the material 92 moves toward the fitting hole 84, the locking member 92
The tip of the action piece 101 inserted into the engagement recess 95 of
Fitted while in contact with the rear wall 103 of the engagement recess 95
By being moved to the hole 84 side, the release knob 89 is supported.
The locking member 9 is rotated counterclockwise around the shaft 102.
The second locking claw 93 is inserted into the fitting hole 84 from the locking claw through hole 90.
It is projected and returns to the initial position shown in FIG. The action piece 101 of the release knob 89
The front portion 101a near the base is the front edge of the release knob through hole 88.
And the release knob 104 rotates counterclockwise.
By being blocked, the locking member 92 moves toward the fitting hole 84 side.
Is stopped. FIG. 23 shows a second embodiment of the lower adapter.
FIG. Lower adapter 5 'in the second embodiment
The central fitting hole 84 ′ has a circular cylindrical shape in plan view.
Eggplant In addition, it can freely come and go in the fitting hole 84 'of the lower adapter 5'.
Is provided at the upper end of the locking member 92.
Above the upper locking claw 93a and the lower locking claw 93b at the lower end.
Provided in the lower two stages, the tips of the locking claws 93a, 93b are
It is formed in an arcuate concave shape along the peripheral surface of the upper adapter 4 '.
You. In addition, each locking claw 93a, 93b is directed toward the tip on the upper surface.
And a flat locking portion on the lower surface.
97 is similar to the lower adapter 5 of the first embodiment.
is there. The other configuration of the lower adapter 5 'is similar to that of the first adapter.
Since it is almost the same as the lower adapter 5 of the embodiment,
The description is omitted by attaching one symbol. Also, as shown in FIG.
4 'is substantially cylindrical and has a pair of blades 3 and 3 on the upper surface.
Then, similarly to the upper adapter 4 of the first embodiment, the hook
Is configured to be mechanically and electrically connected to the
A flange 108 is formed near the lower part of the outer peripheral surface of the adapter 4 '.
And a flat locking receiving portion on the upper surface of the flange 108.
109 is formed over the entire circumference in the circumferential direction,
Do not mechanically attach the hook sealing 2 to a part of the
Lock release button 1 to release lock with live connection
10 is provided, and when the lock release button 110 is pressed,
The lock claw 16 protruding from the upper surface of the adapter 4 '
It is immersed inside the adapter 4 and unlocked,
The adapter 4 'can be removed from the hooking seal 2.
ing. When the hooking ceiling 2 is of an embedded type
As shown in FIG. 23, the device body 6 is pushed up to
Insert the adapter 4 'into the circular fitting hole 84' of the lower adapter 5 '.
The upper engaging claw 93 of the lower adapter 5 'which is fitted and opposed to the upper engaging claw 93
a, 93a are locked by the upper adapter 4 '.
Engage with the receiving part 109 and attach the lower adapter to the upper adapter 4 '.
Support 5 '. Next, the same as in the first embodiment
Then, the lock knob 104 is switched to the lock position and
Lock so that the locking claws 93a, 93a do not move backward
And that the instrument body 6 comes off the upper adapter 4 'unexpectedly.
To prevent. Further, when the hooking ceiling is an exposed type,
As shown in FIG. 24, is the device main body 6 in the state of FIG.
Push up the instrument body 6 further to lower the adapter
5 'opposing lower locking claws 93b, locking portions 9 of 93b
7, 97 are engaged with the lock receiving portion 109 of the upper adapter 4 '.
Then, the lower adapter 5 'is supported by the upper adapter 4'. Next
Then, the lock knob 104 is switched to the lock position and
Locking so that the locking claws 93b, 93b do not move backward,
Prevents the appliance body 6 from accidentally coming off the upper adapter 4 '
I do. The removal of the instrument body 6 is performed by the upper adapter 4 '.
Locking claw 93 of lower adapter 5 'with respect to locking receiving portion 109
a, 93a or 93b, 93b can be released.
Then, as in the first embodiment, the lock knob 104 is locked.
After switching to the release position, release knob 89
Pivoting inward toward the center of the tab 5 ', and the locking members 92, 9
2 is retracted into the storage portion, and the locking claws 93a, 93a or
The engagement between 93b and 93b is released. The lighting fixture mounting apparatus according to the present invention which is directly mounted on a ceiling.
After attaching the lower adapter to the upper adapter,
Lock the knobs on the bottom of the adapter base
When the operation position is moved to the lock position, the lock knob
When in the lock position, the lock knob retracts
It will be a position that interferes with the moving direction,
As a result, both locking claws protrude from the inner surface of the fitting hole.
Is held, and the lower
The engagement state of both locking claws of the adapter is maintained, and the instrument body is raised.
It is possible to prevent accidental removal from the adapter. A lock provided on the lower surface of the lower adapter base
When the knobs are moved to the unlock position,
The knob is retracted for both locking claws provided on the lower adapter.
Move to a position that does not interfere with the
By operating the release knob provided on the surface,
The pawl is inserted from the inner surface of the fitting hole against the urging of the urging spring.
When it is moved back to the locked state, it
The engagement state of both locking claws of the lower adapter with respect to
The tool body can be removed from the upper adapter.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a ceiling-mounted lighting fixture mounting apparatus according to a first embodiment of a lower adapter of the present invention. FIG. 2 is a perspective view of an upper adapter shown as viewed from above. FIG. 3 is a perspective view of the upper adapter as viewed from the lower side of the same. FIG. 4 is an exploded perspective view of the upper adapter of the same. FIG. 5 is a perspective view of the upper adapter of the same as exploded. FIG. 6 is an exploded perspective view of the upper adapter mounting frame of the same. FIG. 7 is a perspective view of the upper adapter showing how the upper adapter base is assembled to the mounting frame of the same. Partially cutaway sectional view of a ceiling-mounted lighting fixture mounting device showing attachment of a lower adapter to an upper adapter attached to a hooking ceiling (recessed type). For hand FIG. 10 is a view showing an engaged state of the detachable handle with respect to the upper adapter base at the time of detachment to the hooking ceiling in the same manner as above. FIG. 12 is a cross-sectional view showing an engagement state between a lock member and a lock release member at the time of locking to a ceiling). FIG. 12 is a cross-sectional view showing an engagement state between the lock member and the lock release member when attached to a hanging ceiling. FIG. 14 is a cross-sectional view showing an engagement state between the lock member and the unlocking member at the time of removal (when the lock is released from the hooking ceiling). FIG. 14 is a perspective view of the lower adapter as viewed from below. FIG. FIG. 16 is a sectional view of a main part of the lower adapter when the upper adapter is detached from the upper adapter. FIG. 17 is a view showing a positional relationship between a locking member and a lock knob of the lower adapter. FIG. 18 is a diagram showing the positional relationship between the locking member of the lower adapter and the lock knob when the lock is released. FIG. 19 is a diagram showing the positional relationship between the locking member and the lock knob of the lower adapter when locked. FIG. 20 is a hooking ceiling. FIG. 21 is a partially cutaway cross-sectional view of a ceiling-mounted lighting fixture mounting device when mounted on a (recessed type). FIG. 22 is a perspective view of a lower adapter according to a second embodiment of the present invention. FIG. 23 is a partially cutaway cross-sectional view of a ceiling-mounted lighting fixture mounting device at the time of mounting to a hanging ceiling (embedded type) of the above. ] Partially cut-away sectional view of a ceiling-mounted lighting fixture mounting device when attached to a hanging ceiling (exposed type) [Description of reference numerals] 1 lighting fixture mounting device 2 hooking ceiling 3 stopper 4 Upper Adapter 4 'Upper Adapter 5 Lower Adapter 5' Lower Adapter 6 Instrument Body 7 Ceiling Surface 8 Sealing Base 9 Plug Blade Insertion Port 10 Wide Part 11 Narrow Part 12 Upper Adapter Base 13 Mounting Frame 14 Leg 15 Blade 16 Lock Claw 17 Lock Release Member 18 Stopper 19 Detachable Handle 20 Cord 21 Connector 22 Base Body 23 Closure Plate 24 Closure Assembly 25 Upper Wall 26 Upper Flange 27 Chamfer 28 Lower Flange 29 Mounting Groove 30 Plug Blade Through Hole 31 mounting screw hole 32 cord outlet 33 connecting connector 34 lock disposing recess 35 lock claw through hole 36 front wall 37 side wall 38 locking member 39 biasing spring 40 taper sliding portion 41 arm portion 42 operating piece 43 taper engagement Portion 44 Support plate 45 Extension spring 46 Circular fitting hole 47 Key groove hole 47a One side end 47b Other side 48 guide hole 49 stopper through hole 50 mounting hole 51 cord insertion hole 52 spring locking hole 53 rod 54 cylindrical protrusion 55 circular fitting protrusion 56 key rib 57 mounting screw hole 58 positioning dowel 59 bent piece 60 rising wall 61 Spring locking hole 62 Screw insertion hole 63 Positioning hole 64 Mounting screw 65 Mounting screw 66 Frame base plate 67 Reinforcement plate 68 Frame member 69 Opening 70 Screw insertion hole 71 Screw insertion hole 72 Opening 73 Notch recess 74 Side wall 75 Elastic piece 76 locking claw 77 taper portion 78 mounting screw 79 fitting recess 80 first locking receiving portion 81 second locking receiving portion 82 mounting plate 83 lower adapter base 84 fitting hole 84 'fitting hole 85 frame portion 86 Overhanging portion 87 Storage portion 88 Release hole for release knob 89 Release knob 90 Through hole for locking claw 91 Operating piece portion 92 Locking member 93 Locking claw 93a Upper locking claw 93b Lower locking claw 4 Notch portion 95 Engagement concave portion 96 Taper portion 97 Locking portion 98 Outer wall 99 Energizing spring 100 Spring storing concave portion 101 Working piece portion 102 Support shaft portion 103 Rear wall 104 Lock knob 105 Lock portion 106 Operation plate portion 107 Connector 108 for connection 108 Flange 109 Lock receiving part 110 Lock release button

Claims (1)

(57) [Claim 1] Removably fitted and locked to an upper adapter having a plug blade on an upper surface to be hooked on a hook sealing,
In the lower adapter for the ceiling-mounted lighting fixture mounting device provided on the fixture body side, a fitting hole for fitting the upper adapter to the lower adapter base is provided, and both inner surfaces of the fitting hole face each other, A locking claw that detachably engages with a locking receiving portion of the upper adapter is provided, and both locking claws are provided so as to be movable in and out of an inner surface of the fitting hole. Biasing springs for biasing the locking claws so as to protrude from the inner surface of the hole are provided, and the locking claws are recessed from the inner surface of the fitting hole against the bias of the biasing spring. Release knobs for retreating to the retracted state are provided on the lower surface of the lower adapter base so as to be exposed, respectively, and the both latching claws interfere with the retreating movement direction of the both latching claws with respect to the inner surface of the fitting hole. And the retracting direction of the locking pawls. Lock knobs are provided on the lower surface of the lower adapter base so as to be operable to switch between the locking claws which do not interfere with the position of the engagement hole so that the locking claws can be moved in and out of the inner surface of the fitting hole. A lower adapter for a lighting fixture mounting device which is directly mounted on a ceiling.