JP2001297841A - Adapter for lighting apparatus and lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve general purpose usage of the lighting apparatus for temporary lighting apparatus and secure variety of structure for lighting device. SOLUTION: The adapter is comprised of a first connection portion 102 at the one end of the adapter body 101 which is detachable with the connecting portion of a lighting apparatus and a second connection portion 103 at the other end which is detachable with the connection portion of the wiring adapter. The first connection portion comprises an insulating unit 104 at the axis portion and a terminal pin hole 106 is provided on this insulating unit to the axis direction and a connecting terminal 105 is connected with the terminal pin hole. A guide ring 107 is provided to surround the insulating unit and a first coupling ring 109 having a female screw at inner face of the ring is installed rotatably at the outside of it. The above connecting terminal is capable of connecting with a lighting apparatus through the above terminal pin hole and the first coupling ring is capable of linking with the lighting apparatus through a screw. The second connecting portion comprises a connecting terminal pin 112 protruded to the direction of the axis. And a second coupling ring 113 having a female screw 114 is provided to surround the connecting terminal pin. The connecting terminal pin is capable of connecting with the supporting body and the second coupling ring is capable of linking with the supporting body through a screw.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adapter and a lighting device used for a lighting fixture such as a temporary lighting fixture used in an exhibition hall.

[0002]

2. Description of the Related Art For example, temporary lighting fixtures for irradiating a light beam on an exhibit displayed in an exhibition hall are regularly and temporarily mounted on a wall or a ceiling based on a layout plan of the lighting fixtures. Will be removed as soon as it is completed.
In this type of luminaire, a pipe holder is attached from a holding table, and a lamp for 12 V, for example, is provided at the tip of the pipe holder. An electric wire cord is drawn out of the holding stand or the wiring duct. This wire cord is 100V fixed at a position that is not visible from the outside, such as behind a wall or ceiling.
Each connected to a transformer for dropping from 12 V to 12 V. The transformer corresponding to each lighting fixture is connected to a primary wiring cord leading to a power source. In the temporary construction of each lighting fixture, first, the primary side wiring cord is attached to the wall surface in an exposed state. Next, the secondary wiring cords drawn out from the transformer one by one are connected to the primary wiring cords by connecting means.

[0003]

Since the standard of the temporary lighting fixture of the conventional example corresponds to the holding base (or the wiring duct), if the type of the holding base (or the wiring duct) is different,
Corresponding temporary lighting fixtures must be used. For example, if the manufacturer of the holding table is different, there is no choice but to use a temporary lighting fixture that conforms to the standards of the manufacturer, and another standard cannot be used from the viewpoint of design and performance. Also, even if they are of the same manufacturer, another temporary lighting fixture cannot be used unless it conforms to the standard of the holding table. As described above, the range of versatility of the temporary lighting fixture is narrow, and the improvement has been expected from the viewpoint of securing a variety of configurations in the lighting device.
An object of the present invention is to increase the versatility of lighting fixtures such as temporary lighting fixtures. Another object of the present invention is to ensure a variety of configurations of the lighting device.

[0004]

According to the first aspect of the present invention, there is provided an adapter for a lighting fixture, wherein one end of an adapter body is provided with a first connecting portion detachable from a connected portion of the lighting fixture, and a supporting member is provided at the other end. Is provided with a detachable second connection part. The first connection portion has an insulator provided at an axis portion and a terminal pin hole provided in the insulator in the axial direction. A connection terminal is connected to the terminal pin hole so as to surround the insulator. A guide ring and a first coupling ring having a female thread on the inner peripheral surface are disposed outside the guide ring, and a fitting concave portion is opened between the insulator and the inner surface of the guide ring. Is electrically connectable to the conductive part of the connected part of the lighting fixture through the terminal pin hole, the first coupling ring is rotatably attached to the first connection part, and the guide ring and the guide ring are connected to each other. An insertion gap is formed between the inner surface of the first coupling ring and the first coupling ring. The first coupling ring can be coupled to a coupling portion of a connected portion of the lighting fixture via a screw. The second
The connection portion protrudes the connection terminal pin in the axial direction, and a second coupling ring having a screw is disposed so as to surround the connection terminal pin. The second coupling ring is electrically connectable to the conductive portion, and the second coupling ring can be coupled to the coupling portion of the connected portion of the support via a screw. The lighting fixture adapter according to claim 2, wherein the second coupling ring is rotatably attached to the second connecting portion and has an internal thread formed on an inner peripheral surface thereof. An insertion gap is provided between the connection terminal pins.
The lighting device adapter according to claim 3, wherein an insulator is provided at the second connection portion, the second coupling ring is fixed to the second connection portion and an external thread is formed on the outer peripheral surface. A connection protrusion is provided along the connection terminal pin with the connection terminal pin interposed between the insulator at the shaft center portion in the coupling ring, and a space between the connection protrusions is a fitting recess. ,
An insertion gap is provided between the outside of the connecting projection and the inner surface of the second coupling ring. According to a fourth aspect of the present invention, there is provided a lighting device including the adapter according to the first aspect, a lighting device having a connected portion, and a support having a connected portion. The lighting fixture is provided with a pipe-shaped holder that supports the lighting fixture at one end, a connected part is provided at the other end of the holder, and an insulator is provided at an axis of the connected part. A connection protrusion is provided along the connection terminal pin so as to sandwich the connection terminal pin from the insulator, and a space between the connection protrusions is a fitting recess, which surrounds the connection protrusion. And a first coupling ring having an external thread on the outer peripheral surface is provided, and an insertion gap is provided between the outside of the connecting projection and the inner surface of the second coupling ring. The connection terminal pin of the lighting fixture can be inserted into the terminal pin hole of the first connection portion of the adapter and can contact the connection terminal, and the first coupling ring of the lighting fixture is connected to the adapter. It can be connected to the first connecting ring via a screw. The connected portion of the support is electrically connectable to and detachable from the second connection portion of the adapter. A lighting device according to a fifth aspect is based on the invention according to the fourth aspect, wherein the second coupling ring of the adapter is rotatably attached to the second connection portion and has an internal thread formed on the inner peripheral surface. There is an insertion gap between the inner surface of the second coupling ring and the connection terminal pin. The connected portion of the support has a second coupling ring having an external thread on the outer periphery, a terminal pin hole into which the connection terminal pin of the second coupling ring can be inserted into the second coupling ring. And a connection terminal communicating with the terminal pin hole. The second connection ring is detachable from the second connection ring via a screw, and the connection terminal pin is connectable to the connection terminal in the connection portion. A lighting device according to a sixth aspect is based on the premise of the fourth aspect, wherein an insulator is provided at a second connecting portion of the adapter, and a second coupling ring is fixed to the second connecting portion and has an outer periphery. A male screw is formed on the surface, and a connection protruding piece protrudes along the connection terminal pin with the connection terminal pin interposed between the insulator and the shaft center portion in the second coupling ring,
A fitting recess is formed between the connection protrusions, and an insertion gap is provided between the outside of the connection protrusion and the inner surface of the second coupling ring. In the connected portion of the support, an insulator is provided at the axis portion, and a terminal pin hole is provided in the insulator in the axial direction. A connection terminal is connected to the terminal pin hole, and A guide ring and a second coupling ring having a female thread on the inner peripheral surface are arranged outside the guide ring so as to surround the insulator, and the guide ring is fitted between the insulator and the inner surface of the guide ring. A concave portion is formed, and an insertion gap is formed between the outside of the guide ring and the inner surface of the second coupling ring. The connection terminal pin of the adapter can be inserted into a terminal pin hole of the support and can be electrically connected to the connection terminal. The second coupling ring connects the second coupled ring with a screw. The guide ring of the support can be inserted into the insertion gap of the adapter. The lighting device according to claim 7 is based on the premise of the invention according to claim 6, wherein the connected portion of the lighting fixture and the connected portion of the support are formed by connecting the second coupling rings via a male screw and a female screw. The connection terminal pin of the lighting fixture is detachable, and can be electrically connected to the connection terminal of the support through the terminal pin hole.

[0005]

When the lighting fixture and the support cannot be directly connected to each other, it is possible to connect the lighting fixture and the support via the first connection portion and the second connection portion using an adapter. As well as electrically connectable. Even when the lighting device and the support can be directly connected, the overall configuration of the lighting device can be diversified by using adapters having different lengths and appearances.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a first adapter 100 will be described with reference to FIGS. First adapter 10
0 is used to connect the temporary lighting fixture 200 to the wiring duct 300 as a support, as shown in FIG. In the first adapter 100 shown in FIGS. 1 and 2, a first connection portion 102 and a second connection portion 103 are provided at both ends of an adapter body 101. The first connection unit 102 will be described. As shown in FIGS. 1 and 3, an insulator 104 made of a synthetic resin is provided in the first connection portion 102, and a pair of connection terminals is provided at the axial center of the insulator from a substantially middle portion to a tip portion. 105 is provided. A terminal pin hole 106 is arranged at the tip of each connection terminal 105, and each terminal pin hole is cut from the tip surface of the insulator 104 toward the connection terminal 105 and communicates with each connection terminal. The rear end of the connection terminal 105 is connected to the front end of a wiring cord (not shown) that passes through the inside of the adapter body 101. A guide ring 107 made of brass is provided on the first connection portion 102 so as to surround the insulator 104. This guide ring has a female screw 1
A first coupling ring 109 forming 10 is rotatably mounted. Inner surface of guide ring 107 and insulator 1
As shown in FIG. 3, a fitting recess 108 having a half-moon cross section is formed between the fitting recess 108 and the recess 04. The insertion gap 1 is provided between the inside of the first coupling ring 109 and the guide ring 107.
It is 11. The second connection unit 103 will be described. As shown in FIGS. 1 and 4, connection terminal pins 112 protrude from the shaft center portion in the second connection portion 103. The connection terminal pin 112 is connected to the end of a wiring cord (not shown) passing through the inside of the adapter body 101 on the rear end side. A second coupling ring 113 is rotatably attached to the second connection portion 103 so as to surround the connection terminal pin 112. Second
A female screw 114 is formed on the inner peripheral surface of the coupling ring 113. The connection terminal pin 112 is, as shown in FIG.
It protrudes forward from the coupling ring 113. An insertion gap 115 is provided between the inner peripheral surface of the second coupling ring 113 and the base of the connection terminal pin 112. As shown in FIG. 5, the first adapter 100 is connected to the connected portion 203 of the temporary lighting fixture 200 through the first connection portion 102 on the upper end side.
To be detachably connected to. The temporary lighting device 200 supports the lighting device 201 on the lower side with a pipe-shaped holder 202. The connected part 20 is attached to the lower end of the pipe-shaped holder 202.
3 is provided. As shown in FIGS. 6 and 7, the connected portion 203 is provided with an insulator 205 made of a synthetic resin, and a pair of connection terminal pins 204 is provided at the axis of the insulator.
Is provided. A connection protrusion 206 extending from the insulator 205 is projected upward and downward with each connection terminal pin 204 interposed therebetween, and a fitting recess 207 is formed between the connection protrusions.
The connected portion 203 is provided with a first coupling ring 209 so as to surround the insulator 205. An external thread 210 is formed on the outer peripheral surface of the first coupling ring 209.
An insertion gap 208 is formed between the outside of the connecting projection 206 and the inner surface of the first coupling ring 209. The wiring cord from the lighting device 201 passes through the inside of the holder 202 and is electrically connected to the rear end of the connection terminal pin 204.
Here, a connection relationship between the first connection portion 102 of the first adapter 100 and the connected portion 203 of the lighting fixture 200 will be described.
The connection terminal pin 204 of the connected portion 203 can be inserted into the terminal pin hole 106 of the first adapter 100. In the inserted state, the connection terminal pin 204 comes into contact with the connection terminal 105 and becomes conductive. Then, the insulator 104 of the first adapter can be fitted into the fitting concave portion 207 of the connected portion 203, and the connecting projection 206 of the connected portion 203 can be fitted into the half-moon shaped fitting concave portion. In these fitted states, the tip of the guide ring 107 is
9, the first coupling ring 109 and the first coupled ring 209 are coupled to each other through the female screw 110 and the male screw 210 by turning the first coupling ring 109. As shown in FIG.
0 is the wiring duct 3 via the second connecting portion 103 on the lower end side.
00 is removably connected to the connection part 302 of the first embodiment. A support portion 301 is attached to one side of the wiring duct 300. As shown in FIG. 5 and FIG. 8, the connection portion 302 of the support portion has a terminal pin hole 303 formed in an insulator provided at the shaft center portion. The terminal pin hole 303 communicates with a connection terminal (not shown) arranged on the lower end side, and the connection terminal is electrically connected to a transformer capable of dropping from 100 V to 12 V, for example. This transformer is connected to a power supply. The connected portion 302 includes a second connected ring 304.
The external thread 305 is formed on the outer peripheral surface of the second coupling ring. The connection relationship between the second connection portion 103 in the first adapter 100 and the connected portion 302 in the wiring duct 300 will be described. First adapter 10
0, the connection terminal pin 112 of the second connection portion 103 can be inserted into the terminal pin hole 303 of the wiring duct 300.
02 is brought into contact with the connection terminal in 02 and becomes conductive. In the inserted state, the tip of the second coupling ring 304 is inserted into the second coupling ring 113, and by rotating the second coupling ring, the second coupling ring 113 is connected to the second coupling ring 113 through the male screw 305 and the female screw 114. Second coupling ring 3
04 are mutually connected. Next, the first adapter 100
The operation of connecting the lighting fixture 200 and the wiring duct 300 using the method will be described. First, as shown in FIG. 5, the connection terminal pin 112 at the lower part of the first adapter 100 is connected to the wiring duct 3.
Then, the first adapter is inserted into the terminal pin hole 303, and the first adapter stands on the wiring duct. Then, the connection terminal pin 112
Is electrically connected to the connection terminal in the connected portion 302, so that the second connection portion 103 and the connected portion 302 are electrically connected via the wiring cord. And the second connecting portion 10
In order to strengthen the connection between
When the coupling ring 113 is moved to the second coupled ring 304 and the female screw 114 is screwed into the male screw 305 and turned,
The second connecting portion approaches the connected portion, and the second coupling ring 11
3 fixes the connection. Next, when the connection terminal pins 204 and the connection protrusions 206 of the connected part 203 of the holder part of the lighting fixture 200 are inserted into the terminal pin holes 106 and the fitting recesses 108 of the first connection part 102 of the first adapter 100, The guide ring 107 on the adapter side is inserted into the first coupling ring 209 on the holder 202 side. By this operation, the connection terminal pin 204 and the connection terminal 1
05 is electrically connected. Further, in order to strengthen the connection between the first connecting portion 102 and the connected portion 203, the first coupling ring 109 is moved toward the connected portion 203 and the female screw 1 is moved.
When the screw 10 is screwed into the male screw 210 and turned, the connected portion 20
3 approaches the first connection portion 102 and the first coupling ring 10
9 secures the connection between the two over the connecting portions. As a result, the lighting fixture 200 is coupled to the wiring duct 300 via the first adapter 100 and is simultaneously electrically connected. In the lighting device shown in FIG.
0, a lighting fixture 200 and a wiring duct 300. However, as shown in FIG.
In a case where the connected part 203 of 0 is applied to the standard of the connected part 302a in the wiring duct 300A different from the wiring duct 300, naturally, the two connected parts 203 are used without using the first adapter 100. , 302a are directly connected. Here, a wiring duct 300A as another embodiment of the wiring duct will be described. Support 301a
The configuration of the connected portion 302a in FIG. 2 is the same as that of the first connection portion 102 in the first adapter 100, as clearly shown in FIGS. Therefore, a detailed description of the configuration of the connected portion 302a is omitted.
Insulator 304a, connection terminal 305a, terminal pin hole 306
a, guide ring 307a, fitting recess 308a, second
The coupling ring 309a, the female screw 310a, and the insertion gap 311a are connected to the insulator 10 in the first connection portion 102.
4, corresponding to the connection terminal 105, the terminal pin hole 106, the guide ring 107, the fitting recess 108, the first coupling ring 109, the female screw 110, and the insertion gap 111, respectively. The connection terminal 305a is electrically connected to a transformer via a wiring cord (not shown), and the transformer is connected to a power supply. Lighting fixture 200 and wiring duct 300A
The connection work with the server will be described. The connection terminal pin 204 of the holder part 202 in the lighting fixture 201 and the wiring duct 300A
The first coupling ring 209 of the holder 202 is inserted into the insertion gap 311a of the connected portion 302a while the terminal pin hole 306a of the connected portion 302a is vertically opposed.
And the second connected ring 309a is turned to fix the connected portions 203 and 302a. In this way, the connection terminal pins 204 come into contact with the connection terminals 305a while being inserted into the terminal pin holes 306a, so that the lighting fixture 200 is mounted on the wiring duct 300A and is electrically connected. The relationship between the connected portion 203 of the lighting fixture 200 and the connected portion 302a of the wiring duct 300A is the same as the relationship between the connected portion 203 of the lighting fixture 200 and the first connection portion 102 of the first adapter 100. As described above, the lighting fixture 200 is connected to the wiring duct 300 using the first adapter 100 in accordance with the standard of the wiring duct, and the lighting fixture 200 is connected to the wiring duct 3 without using the first adapter.
There is a case where connection is made on 00A. A second adapter 100A shown in FIGS. 12 to 15 will be described as another embodiment of the lighting fixture adapter. The second adapter 100A is
As shown in FIG. 12, the temporary lighting fixture 200A is used to connect to a holding base 300B as a support. The second adapter 100A has first adapters at both ends of the adapter body 101a.
The connection part 102a and the second connection part 103a are provided.
The adapter main body 101a is formed in a pipe shape, and is longer than the adapter main body 101 described above. The first connecting portion 102a has the same configuration as the first connecting portion 102 in the first adapter 100, as shown in FIGS. For this reason, the description of the specific configuration of the first connection unit 102a is omitted. Insulator 104a, connection terminal 1
05a, terminal pin holes 106a, guide rings 107a,
The fitting recess 108a, the first coupling ring 109a, the female screw 110a, and the insertion gap 111a
104, connection terminal 105, terminal pin hole 1
06, the guide ring 107, the fitting recess 108, the first coupling ring 109, the female screw 110, and the insertion gap 111, respectively. As shown in FIGS. 13 and 15, the second connection portion 103 a is the connected portion 2 of the lighting fixture 200.
03 has the same configuration. Therefore, the second connecting portion 103a
The description of the specific configuration is omitted. Connection terminal pin 112
a, the second coupling ring 113a, the male screw 114a, the fitting recess 115a, the insulator 116a, the connecting protrusion 117a, and the insertion gap 118a are connected to the connection terminal pins 20 of the connected portion 203 of the holder 202 in the lighting fixture 200 described above.
4, corresponding to the first coupling ring 209, the male screw 210, the fitting recess 207, the insulator 205, the connecting projection 206, and the insertion gap 208, respectively. As shown in FIG.
The second adapter 100A is connected to the first connection portion 102a on the upper end side.
Connected part 203a of temporary lighting fixture 200A
Further, the lower second connecting portion 103a is detachably connected to the connected portion 302b of the holding base 300B. The temporary lighting fixture 200A holds the lighting fixture 201a on the lower side of the holding frame 21.
It is supported by a pipe-shaped holder 202a via 1a. A connected portion 203a is provided at a lower end portion of the holder portion 202a. The configuration of the connected part 203a is the same as that of the connected part 203 in the lighting fixture 200 described above, and therefore, detailed description is omitted. In FIG. 12, the first coupling ring 209a and the male screw 210a are
Correspond to the first coupling ring 209 and the male screw 210 in FIG. The light source of the lighting device 201a is connected to a connection terminal pin in the connected portion 203a via a lead cord 212a. The holding table 300B has a transformer 3 inside thereof, which can drop, for example, from 100V to 12V.
00b1 is arranged. A hook-shaped fitting 300b2 for hooking the holder 300B to a wall or the like is attached to the holding base 300B. The configuration of the connected portion 302b of the support portion 301b is the same as that of the support 3 in the wiring duct 300A described above.
Since it is the same as that of the connected part 302a of 01a, detailed description is omitted. In FIG. 12, the second coupling ring 309a corresponds to the second coupling ring 309b in the connected portion 302a. A connection terminal in the connected portion 302b communicates with the transformer 300b1 via a wiring cord (not shown). The first of the second adapter 100A
Connecting part 102a and connected part 203a of lighting fixture 200A
Is connected to the first adapter 100 shown in FIG.
First connecting portion 102 and connected portion 203 of lighting fixture 200
Is the same as the connection relationship. The second adapter 100A
The connection relationship of the connected portion 302b of the holding table 300B to the second connection portion 103a of the lighting fixture 20 shown in FIG.
0 of the first adapter 100 with respect to the
The relationship is the same as that of the connection unit 102. Thus, the first connection portion 102a of the second adapter 100A and the lighting fixture 200
A is connected to the connected portion 203a by the second adapter 1
This is the same as the connection relationship between the second connection portion 103a of 00A and the connected portion 302b of the holding base 300B. Therefore, the connected portion 203a of the lighting fixture 200A and the holding base 30
The connection relationship between the first connection portion 102a of the second adapter 100A and the connection portion 203a of the lighting fixture 200A is the same as the connection relationship between the first connection portion 102b of the second adapter 100A and the connection portion 302b of the lighting device 200A. As a result,
When increasing the height of the lighting device 201a, the second adapter 100A is used as shown in FIG. 12, and when reducing the height, the second adapter 100A is not used as shown in FIG. And the holder are connected directly. The first connection part of the second adapter 100A can also be connected to the connection part 203 of the lighting fixture 200 shown in FIGS. 5 and 9, and the second connection part is the connection part of the wiring duct 300A shown in FIG. 302a. As shown in FIG. 9, even if the lighting fixture 200 can be directly connected to the support 300A, as shown in FIG.
If the support 300 has a different standard from 0A, the first
Using the adapter 100 enables connection. Also, as shown in FIG. 16, even if the lighting fixture 200A can be directly connected to the support 300B, it is possible to use the second adapter 100A as shown in FIG. Various lighting device configurations can be realized. The first connecting part 102 of the first adapter 100 and the connected part 203 of the lighting fixture 200 can be connected to each other, and the connected part 203 of the lighting fixture 200 and the connected parts 302a and 302b of the supports 300A and 300B can be connected to each other. In this case, the luminaire 200 is different from the use form shown in FIGS. 5 and 9 in addition to the support 300B shown in FIG.
Can also be connected, so that the lighting device can be systematized. Also, as shown in FIGS.
0, 200A to be connected 203, 203a and support 30
By sharing the connected parts 302a and 302b of the OA and 300B so that they can be connected to each other, various combinations of the lighting fixture and the support can be made. Lighting fixtures are not limited to temporary ones.

[0007]

According to the lighting fixture adapter of the present invention, the same lighting fixture can be used for various supports such as wiring ducts, so that the versatility of the lighting fixture can be improved. According to the lighting device of the present invention, various configurations can be achieved with a simple operation.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a first adapter.

FIG. 2 is a front view of a first adapter.

FIG. 3 is a sectional view taken along the line III-III of FIG. 2;

FIG. 4 is a left side view of FIG. 2;

FIG. 5 is an exploded view of a lighting device using the first adapter.

FIG. 6 is a partially cut-away enlarged front view showing a connected portion of a holder unit in the lighting fixture.

FIG. 7 is a sectional view taken along line VII-VII of FIG. 6;

FIG. 8 is a plan view showing a main part of the wiring duct.

FIG. 9 is an exploded view of the lighting device without using the first adapter.

10 is a partially cutaway enlarged front view of a connected portion in the wiring duct shown in FIG. 9;

FIG. 11 is a plan view of FIG. 10;

FIG. 12 is an exploded view of a lighting device using a second adapter.

FIG. 13 is a partially cutaway enlarged front view showing a main part of a second adapter.

FIG. 14 is a sectional view taken along line XIV-XIV of FIG. 13;

FIG. 15 is a sectional view taken along line XV-XV of FIG. 13;

FIG. 16 is an exploded view of a lighting device not using a second adapter.

[Explanation of symbols]

100 First adapter 100A
Second adapter 101 Adapter body 101a
Adapter body 102 First connection part 102a
1st connection part 103 2nd connection part 103a
2nd connection part 104 insulator 104a
Insulator 105 Connection terminal 105a
Connection terminal 106 Terminal pin hole 106a
Terminal pin hole 107 Guide ring 107a
Guide ring 108 Fitting recess 108a
Fitting recess 109 First coupling ring 109a
1st coupling ring 110 female screw 110a
Female screw 111 insertion gap 111a
Insertion gap 112 Connection terminal pin 112a
Connection terminal pin 113 Second coupling ring 113a
Second coupling ring 114 Internal thread 114a
Male screw 115 Insert gap 115a
Fitting recess 116a Insulator 117a
Connection protruding piece 118a Insertion gap 200 Temporary lighting device (lighting device) 200A Temporary lighting device (lighting device) 201 Lighting device 201a
Lighting device 202 Holder 202a
Holder part 203 Connected part 203a
Connected part 204 Connection terminal pin 205
Insulator 206 Connecting piece 207
Fitting recess 208 Insertion gap 209 First coupled ring 209a First coupled ring 210 Male screw 210a
Male screw 300 Wiring duct (support) 300A Wiring duct (support) 300B Holder (support) 302 Connected part 302a
Connected part 302b Connected part 303
Terminal pin hole 304 Second coupling ring 304a Insulator 305a
Connection terminal 306a Terminal pin hole 307a
Guide ring 308a Fitting recess 309a Second coupling ring 309b Second coupling ring 310a Female screw 311a
Insertion gap

Claims (7)

[Claims] An adapter body has a first connecting portion detachably attached to a connected portion of a lighting fixture at one end, and a second connecting portion detachable to a connected portion of a support at the other end. The first connection portion has an insulator provided at a shaft center portion, and a terminal pin hole is provided in the insulator in an axial direction. A connection terminal is connected to the terminal pin hole. A guide ring and a first coupling ring having a female screw on the inner peripheral surface are arranged outside the guide ring, and a fitting recess is opened between the insulator and the inner surface of the guide ring. The connection terminal is electrically connectable to a conductive part of a connected part of the lighting fixture through the terminal pin hole.
The coupling ring is rotatably attached to the first connecting portion, and an insertion gap is provided between the guide ring and the inner surface of the first coupling ring, and the first coupling ring is illuminated. A second connecting portion protruding in the axial direction with the connecting terminal pin, and a second connecting portion having a screw so as to surround the connecting terminal pin; A connection ring, wherein the connection terminal pin is electrically connectable to a conductive portion of a connected portion of the support, and the second coupling ring is connected to a connection portion of the connected portion of the support. An adapter for a lighting fixture, which is connectable via a screw. 2. The second coupling ring is rotatably mounted on the second connecting portion and has an internal thread formed on an inner peripheral surface thereof, between the inner surface of the second coupling ring and the connection terminal pin. The lighting fixture adapter according to claim 1, wherein an insertion gap is provided. 3. An insulator is provided at the second connection portion, and
The coupling ring is fixed to the second connection portion and has an external thread formed on the outer peripheral surface. The coupling ring is an axial center portion of the second coupling ring, and the connection terminal pin is sandwiched between the insulator and the connection terminal pin. The connecting projections are protruded along the connecting projections, and the space between the connecting projections is a fitting recess, and an insertion gap is opened between the outside of the connecting projection and the inner surface of the second coupling ring. The lighting fixture adapter according to claim 1, wherein: 4. The lighting device according to claim 1, comprising: a lighting device having a connected portion; and a support having a connected portion, wherein the lighting device includes a pipe-shaped holder that supports the lighting device at one end. Provided, a connected portion is provided at the other end of the holder, an insulator is provided at the axis of the connected portion, and a connection terminal pin is interposed between the insulator and the connection terminal pin. A connecting projection is provided along the connecting projection, and a fitting recess is provided between the connecting projections. A first coupling ring is provided so as to surround the connecting projection and has an external thread on an outer peripheral surface. An insertion gap is provided between the outside of the connection protrusion and the inner surface of the second coupling ring, and the connection terminal pin in the lighting fixture is provided in the terminal pin hole of the first connection portion in the adapter. And can be in contact with the connection terminals. The first coupling ring of the lighting fixture can be coupled to the first coupling ring of the adapter via a screw, and the connected portion of the support is electrically connected to the second connection portion of the adapter. An illuminating device, which is detachable and detachable. 5. A second coupling ring of the adapter is rotatably mounted on the second connection portion and has an internal thread formed on an inner peripheral surface thereof, so that an inner surface of the second coupling ring and a connection terminal pin are connected to each other. An insertion gap is provided therebetween, and the connected portion of the support includes a second coupling ring having an external thread on an outer peripheral surface, and a connection terminal of the second coupling ring in the second coupling ring. A terminal pin hole into which a pin can be inserted and a connection terminal communicating with the terminal pin hole are provided, and the second coupling ring is detachably attached to the second coupled ring via a screw, The lighting device according to claim 4, wherein the connection terminal pin is connectable to the connection terminal in the connected portion. 6. An adapter is provided with an insulator at a second connection portion, and a second coupling ring is fixed to the second connection portion and has an external thread formed on an outer peripheral surface thereof. A connection protrusion is protruded along the connection terminal pin with the connection terminal pin interposed between the insulators and the connection protrusion is provided between the connection protrusions. An insertion gap is provided between the outer side of the protruding piece and the inner surface of the second coupling ring, and the connected portion of the support is provided with an insulator at a shaft center portion and a terminal pin hole formed in the insulator. It is provided in the direction of the heart,
A connection terminal is connected to the terminal pin hole, and a guide ring and a second coupling ring having a female thread on an inner peripheral surface are arranged outside the guide ring so as to surround the insulator at the connected portion. A fitting recess is formed between the insulator and the inner surface of the guide ring, and an insertion gap is formed between the outer surface of the guide ring and the inner surface of the second coupled ring; The connection terminal pin of the adapter can be inserted into a terminal pin hole of the support and can be electrically connected to the connection terminal. The second coupling ring connects the second coupled ring with a screw. The guide ring of the support can be inserted into the insertion gap of the adapter, and the guide ring can be inserted into the insertion gap of the adapter.
The lighting device according to the above. 7. The connected portion of the lighting device and the connected portion of the support are such that second connected rings can be attached and detached via a male screw and a female screw, and the connection terminal pin in the lighting device is supported by the support terminal. The lighting device according to claim 6, wherein the lighting device is electrically connectable to a connection terminal of the body through a terminal pin hole.