JP3328379B2 - Lighting fixture mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art Conventionally, there has been a lighting fixture mounting apparatus which has a fixture which is hooked on a hooking ceiling, and which is provided on a fixture body with a fixture which is attached to the fixture by concave and convex fitting (for example, Japanese Patent Application Laid-Open No. Hei 4-212276). .

[0003]

However, since the lighting fixture mounting device is configured to release the concave / convex fitting portion of the locking device by pressing the release button in the ceiling direction, the height of the locking device is reduced. In addition, when the lamp is disposed directly below the locking member, there is a disadvantage that the height of the entire lighting fixture increases. Accordingly, an object of the present invention is to provide a lighting fixture mounting device that can be made thin.

[0004]

According to a first aspect of the present invention, there is provided a lighting fixture mounting apparatus having a plug blade on an upper surface to be hooked on a hooking ceiling, and having a locking step on substantially the entire outer peripheral edge.
A substantially disc-shaped fitting having a notch in the peripheral edge portion, the
A substantially plate-shaped locking portion is formed on the fitting cylinder portion, the fitting portion having a fitting cylinder portion fitted to the mounting tool and elastically removably engaged with the locking step portion.
A tool main body having a release operation portion for projecting from the locking portion projecting hole into the locking step portion and releasing the locking of the locking portion. On the peripheral surface of the step
The release operation portion is formed in a concave shape along the arc, and the operation direction of the release operation portion is a direction along the surface of the appliance body.

[0005] The lighting fixture mounting apparatus of claim 2 is claim 1.
In the above, the locking portion and the releasing operation portion are provided on a locking device, the locking device is attached to a center of the device main body, and a release operation direction of the release operating portion is shifted from a center of the device main body. It is aimed at one. According to a third aspect of the present invention, in the lighting fixture mounting apparatus according to the first aspect, the locking portion and the release operation portion are integrally formed.

According to a fourth aspect of the present invention, there is provided a lighting fixture mounting apparatus.
, A holding knob portion is provided in the vicinity of the release operation portion in the release direction. According to a fifth aspect of the present invention, there is provided the lighting fixture mounting apparatus according to the first aspect, wherein the fixture main body has a straight tube lamp, and an operation direction of the release operation unit is the same as a longitudinal direction of the straight tube lamp.

[0007] The lighting fixture mounting apparatus of claim 6 is claim 5.
, The release operation unit is covered with the straight tube lamp. According to a seventh aspect of the present invention, there is provided the lighting fixture mounting apparatus according to the first aspect, wherein the release operation portion is provided on a peripheral portion of the fixture main body, and a direction of the release operation is set to an outward direction of the fixture main body.

[0008] The lighting fixture mounting apparatus of claim 8 is the first embodiment.
In the above, the appliance main body has a straight tube lamp, and an operation direction of the release operation unit is a direction orthogonal to the straight tube lamp. According to a ninth aspect of the present invention, there is provided the lighting fixture mounting apparatus according to the first aspect, wherein the mounting fixture has a connector receiver connected to the blade, and the fixture body is detachably attached to the connector receiver in conjunction with the release operation unit. Has a connector connected to it.

[0009]

According to the lighting device mounting apparatus of the first aspect, the plug body of the mounting device is hooked on the hooking ceiling, and the locking portion of the device main body is elastically locked to the locking step of the mounting device, so that the device main body is formed. Mounted. In this case, since the release operation unit is operated in the direction along the surface of the appliance main body, it is possible to prevent the height of the appliance main body from being increased by the release operation unit, and it is possible to reduce the thickness. In addition, the locking part has a substantially disk-shaped mounting
The body can rotate in the circumferential direction, and the instrument body
As a result, it can be turned to an arbitrary turning position.

According to a second aspect of the present invention, in the first aspect, the locking portion and the release operation portion are provided on a locking device, and the locking device is mounted on a center of the device main body. Since the direction of the release operation of the release operation unit is directed outward from the center of the device main body, in addition to the operation of claim 1, the release operation unit is brought into contact with the thumb when releasing the release operation unit. Since the operation can be performed easily by touching the forefinger with the edge, the device main body can be supported by hand even after detachment, so that the device main body can be easily held without unbalance of the device main body.

According to the third aspect of the present invention, in the first aspect, since the locking portion and the releasing operation portion are integrally formed, in addition to the operation of the first aspect, an operation added to the releasing operation portion is provided. Since the force is directly transmitted to the locking portion without any loss, the releasing operation is reliably performed. According to the lighting fixture mounting apparatus of claim 4, in claim 1, the holding knob is provided near the release direction of the release operation section. Since the release operation unit can be operated while being supported, the operation of the release operation unit is easy when the appliance body is removed, the balance of the appliance body can be maintained, and the appliance body is, for example, a fixture or a foreign matter on the ceiling surface. Even if it is hooked on the device, it can be pulled down by gripping the holding knob, and the holding knob can be gripped when pushing up the instrument body for mounting the instrument body, so that the operation can be performed safely.

According to a fifth aspect of the present invention, in the first aspect, the luminaire main body has a straight tube lamp, and an operation direction of the release operation portion is the same as a longitudinal direction of the straight tube lamp. Therefore, in addition to the operation of the first aspect, since the locking portion and the release operation portion are arranged in the longitudinal direction of the straight tube lamp, restrictions on the arrangement of the lighting circuit block and the like arranged in parallel with the straight tube lamp are reduced, and the appliance parts are reduced. Can be easily mounted.

According to the lighting fixture mounting device of claim 6, in claim 5, the release operation portion is covered by the straight tube lamp, so that the operation of claim 5 is provided and the release operation portion is not required. Preparative operation can be prevented. Claim 7
According to the lighting fixture mounting apparatus of the present invention, in claim 1, the release operation portion is provided on a peripheral portion of the fixture main body, and the direction of the release operation is set to an outward direction of the fixture main body. In addition, when removing the instrument body from the fixture, it is operated while holding both ends of the instrument body with both hands, so there is no need to operate with one hand, so safety is ensured and compared with holding the center part of the instrument body Thus, there is no danger that the support of the appliance main body is not unstable due to poor weight balance due to the heavy direction of the lighting device. Further, since the release operation section is located at the end of the instrument body, the instrument body can be removed with the lamp attached regardless of the number of lamp lights.

According to an eighth aspect of the present invention, in the first aspect of the present invention, in the first aspect, the apparatus main body includes a straight tube lamp, and an operation direction of the release operation section is a direction orthogonal to the straight tube lamp. In addition to the effect of claim 1, even when the straight tube lamp is positioned directly below the locking portion, the release operation portion is in a direction perpendicular to the longitudinal direction of the straight tube lamp, so that the lamp does not become a hindrance when removing the appliance body. It can be done with attaching. Further, when operating the release operation unit, the lighting device or the straight tube lamp can be used as a fingerhold, so that the release operation is easy.

According to a ninth aspect of the present invention, in the first aspect, the fixture has a connector receiver connected to the plug blade, and the fixture main body is interlocked with the release operation section. Since the connector is detachably connected to the connector receiver, the connector can be detached by the operation of the release operation part in addition to the operation of claim 1, so that the operability of attaching and detaching the instrument body is improved.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. That is, the lighting fixture mounting apparatus includes the fixture 1 and the fixture main body 2. The attachment 1 has a substantially disk shape having a plug blade 4 to be hooked on the hooking ceiling 3 on the upper surface, has a locking step 5 almost all around the outer peripheral edge, and has a connector receiver 6 on the lower surface. The hooking ceiling 3 is attached to a ceiling 49, and has ceiling mounting holes 9 for passing wood screws (not shown) at both ends as shown in FIG. 2, and a power supply line (not shown) at the center. It has an electric wire insertion hole 10 for passing through, has a receiving blade (not shown) which is engaged with the blade 4 on the lower surface, and has a lock button fitting concave portion (not shown).
Having. The locking step 5 is formed by a circumferential groove on the outer periphery of the fixture 1, and the outer peripheral edge of the upper surface is also a locking step 5 ',
The connector receiver 6 is formed integrally with the blade 4 by punching.

As shown in FIG. 3, the main body 13 of the fixture 1 of the embodiment is in the shape of a hollow cylinder, and
And a lock button insertion hole 12. Locking step portions 5 and 5 'are formed on the outer periphery of the lock button insertion hole 12, and the blade 4 and the like are housed therein. The blade 4 has a substantially L-shape. One end of the blade 4 is attached to the back surface of the top portion 14 of the main body 13 by a fixing screw, the other protrudes from the blade insertion hole 11, and a blade 16 is formed at the tip. Is formed. The lock button 19 of the lock means 18 that projects from the lock button insertion hole 12 and fits into the lock button fitting recess.
Is provided with a spring (not shown) that protrudes a tapered sliding portion (not shown) on the side of the inner end and urges the lock button 19 in a protruding state, and pushes the lock button 19 against the spring. An engaging portion (not shown) for contacting the tapered sliding portion is provided on the unlocking button 22 to be retracted, and the lock button 19 can be freely retracted by engaging the engaging portion with the tapered sliding portion by operating the unlocking button 22. I have to. A cutout 17 for operating the lock release button 22 is formed in the main body 13, and the lock release button 22 is slidably supported in a hole (not shown) formed in the cutout 17. In addition, a closing plate 24 is inserted into the opening of the main body 13 on the opposite side to the top portion 14 and is fixed to the main body 13 with mounting screws, but the closing plate 24 is an exposed portion 26 for connecting the connector 8 to the connector receiver 6. Are formed by notches, and the lock release button exposure portion 27 is formed by notches.

When the blade 1 is inserted into the hooking ceiling 3 and rotated and hooked on the receiving blade, the mounting 1 is mechanically mounted on the hooking ceiling 3 and the blade 4 is electrically connected. Becomes Lock button 19 in this state is fitted into the concave portion for locking Botanhama case of ceiling-mounted hooking receptacle 3 fixture 1
Stop rotation. To remove the fixture 1, insert a finger from the exposed portion 27 and press the lock release button 22, and the engaging portion slides on the tapered sliding portion, and the lock button 19 is pulled down against the spring and locked. The button 19 is retracted from the surface of the main body 13. As a result, the lock button 19 is disengaged from the lock button fitting recess of the hooking ceiling 3 and the fixture 1 can be rotated.
Comes off the receiving blade of the hooking ceiling 3.

The tool body 2 has a locking portion 31 which is slidable in the circumferential direction of the locking step portion 5 of the fixture 1 and which is locked so as to be disengageable.
And has a release operation part 39 that moves along the surface of the instrument body 2 to release the locking of the locking part 31;
Further, it has a connector 8 connected to the connector receiver 6.
The fixture body 2 of the embodiment has a lamp socket for mounting a lamp 32, a ballast, and other lighting components (not shown), and a hole 33 is provided in the center of the fixture body 2, and the hole 3 is provided.
The locking member 7 is arranged so as to close the hole 3, and the substantially elliptical locking member 7 is mounted to the mounting hole 48 around the hole 33 through the screw insertion hole 90 by the mounting screw 34. The locking member 7 has a fitting cylindrical portion 47 at the center for fitting the fitting 1, and the fitting cylindrical portion 4.
7 is formed on the opposing surface, and a storage space 36 for slidably storing the locking portion 31 is formed outside the fitting cylindrical portion 47 of the locking portion protruding hole 35 so as to be stored. The lower opening of the space 36 is closed by a cover 37 having an opening 38. The locking portion 31 has a distal end formed in an arcuate concave shape along the peripheral surface of the locking step portion 5, has a guide taper 42 on an upper surface, integrally projects a release operation portion 39 on a lower surface, and has a spring recess at a rear end. 40 are formed. The locking portion 31 is housed in the storage space 36, the tip of the locking portion 31 protrudes from the projection hole 35, the release operation portion 39 is exposed from the opening 38, and the spring 41 One end is locked and the other end is locked to the inner wall surface of the storage space 36, and the locking portion 31 is urged so that the front end projects into the opening 38. A red caution indicator 50 is provided on the lower surface of the locking portion 31 on the release operation direction side of the release operation portion 39 as shown in FIG. The caution display section 50 is seen to indicate that the locking section 31 has come off the locking step section 5. The connector 8 is provided at the distal end of a cord 44 connected to a ballast, a switch (not shown), etc. of the instrument body 2, inserted into the fixture 1 through the exposed portion 26 of the fixture 1, and connected to the connector receiver 6. Connect to

Therefore, when the fixture main body 2 is lifted to fit the fitting cylindrical portion 47 of the locking tool 7 into the fitting 1, the locking portion 3
The first taper guide 42 abuts against the edge of the fixture 1 and is guided and retreats against the spring 41 so that the fitting cylindrical portion 47 is fitted into the fixture 1 and the tip of the locking portion 31 is locked. When it is located on the step 5, it is projected by the spring 41 and the locking portion 31 is locked, and FIG.
State. At this time, since the attachment 1 has a substantially disk shape, the locking portion 31 can rotate the instrument body 2 in the circumferential direction, and rotate the instrument body 2 to an arbitrary rotation position with respect to the ceiling 49. can do. When the connector 8 pulled out from the instrument body 2 is connected to the connector receiver 6 through the exposed portion 26, the instrument body 2 is electrically connected. On the other hand, when removing the instrument main body 2, first, the connector 8 is detached from the connector receiver 6, and then the releasing operation section 39 is pulled in parallel to the surface of the instrument main body 1 to detach the locking section 31 from the locking step section 5.

The connection on the right side of FIG. 6 is for the case where the hooking ceiling 3 is smaller in size than the fixture 1.
2 shows a state in which the locking tool 7 is locked by using the upper surface of the locking tool as a locking step 5 ′. In this case, the mounting height of the instrument body 2 is the same as is apparent from the left and right mounting states in FIG. FIG. 7 shows the appearance of a lighting fixture to which this embodiment is applied, and shows a state in which a light-transmitting cover 45 is attached to the fixture main body 2.

According to this embodiment, the blade 4 of the fixture 1 is hooked on the hooking ceiling 3 and the locking portion 31 of the instrument body 2 is held.
Is elastically locked to the locking step 5 of the fixture 1, whereby the instrument body 1 is mounted. In this case, since the release operation unit 39 is operated in a direction along the surface of the appliance main body 2, the release operation unit 39 can prevent the height of the appliance main body 2 from increasing, and can be made thin.

Further, a locking portion 31 and a releasing operation portion 39 are provided on the locking device 7, and the locking device 7 is attached to the center of the instrument main body 2, and the direction of the releasing operation of the releasing operation portion 39 can be changed.
When the release operation section 39 is released, the release operation section 39 can be applied to the thumb 51 as shown in FIG. In addition to being easy, the instrument body 2 can be supported by hand even after removal, so that the instrument body 2 can be easily held without the instrument body 2 being unbalanced.

Further, since the locking portion 31 and the releasing operation portion 39 are integrally formed, the operating force applied to the releasing operation portion 39 is transmitted to the locking portion 31 without any loss, so that the releasing operation is reliably performed. Further, as shown in FIG. 1, since the caution display portion 50 such as red is provided on the lower surface of the release operation portion 39 on the release direction side of the lock portion 31, the engagement between the lock portion 31 and the lock step portion 5 is performed. Since the condition is visible from the opening 38 of the cover 37, a caution display can be made.

The attachment of the locking member 7 to the hole 33 is as follows.
A locking claw (not shown) for locking the edge of the hole 33 of the instrument body 2 at one end may be provided, and only the other end may be attached with a screw to reduce the number of screws used. FIGS. 8 and 9 show a second embodiment of the present invention. That is, in this lighting fixture mounting apparatus, in the first embodiment, the fixture main body 2 has an odd-numbered straight tube lamp 32, and the operation of the release operation portion 39 of the locking member 7 at the center position of the fixture main body 2 is performed. The direction is the same as the longitudinal direction of the straight tube lamp 32, and the release operation unit 39 is covered by the center straight tube lamp 32. 55 is a lamp socket, and 56 is a lighting circuit block.

According to this embodiment, the shape of the locking member 7 is an oval shape including an elliptical shape or a substantially rectangular shape so that the locking portion 31 and the release operation portion 39 are arranged in the longitudinal direction of the straight tube lamp 32. Therefore, restrictions on the arrangement of the lighting circuit block 56 and the like arranged in parallel with the straight tube lamp are reduced, and the mounting of the fixture parts can be facilitated. Further, since the release operation section 39 is covered with the straight tube lamp 32, the release operation section 39 cannot be operated unless the straight tube lamp 32 is removed, so that careless operation of the release operation section 39 is prevented. Can be.

A third embodiment of the present invention is shown in FIGS. In other words, this lighting fixture mounting device
In this embodiment, a holding knob 57 having a collar as an embodiment is provided in the vicinity of the release direction of the release operation unit 39. The connector receiver 6 is drawn out of the blade 4 via a lead wire 61. 58 is a switch string,
62 is a release button of the cover 45, 63 is a claw 64 of the cover 45
It is a support piece of.

According to this embodiment, the holding knob 57
The release operation section 39 can be operated while supporting the hand on the device, so that the operation of the release operation section 39 can be easily performed when the instrument main body 2 is detached, the balance of the instrument main body 2 can be maintained, and the instrument main body 2 can be operated, for example. Even if it is caught by the attachment 1 or a foreign matter on the ceiling surface, the holding knob 57 can be pulled down by grasping the holding knob 57, and when the instrument main body 2 is pushed up to mount the instrument main body 2, the holding knob 5
7 can be gripped and work can be done safely.

In this regard, conventionally, when the release button is pushed toward the ceiling to release the fitting between the fixture and the latch, there is a possibility that a lamp socket or the like may be held to hold the entire fixture body. FIG. 14 and FIG. 1 show a fourth embodiment of the present invention.
It is shown in FIG. That is, in this lighting fixture mounting apparatus, in the first embodiment, the fixture main body 2 has the straight tube lamp 32,
The operation direction of the release operation section 39 is a direction orthogonal to the straight tube lamp 32.

According to this embodiment, even when the straight tube lamp 32 is positioned directly below the locking portion 31, the release operation portion 39 is in a direction perpendicular to the longitudinal direction of the straight tube lamp 32, so that the instrument main body 2 is removed. In this case, the operation can be performed with the straight tube lamp 32 attached without disturbing the case. When the release operation section 39 is operated, the lighting circuit block 56 or the straight tube lamp 32, which is a lighting device, can be used as a fingertip, so that the release operation is easy.

A fifth embodiment of the present invention is shown in FIGS. That is, this lighting fixture mounting device is
In the embodiment, the release operation section 39 is provided on the peripheral edge of the instrument body 2, and the direction of the release operation is set to the outside of the instrument body 2. In the embodiment, the release operation part 39 is arranged separately from the locking part 31 at the end of the instrument body 2.
And the release operation unit 39 are connected by a relay line 75.
The release operation section 39 is slidably supported by the case 78 and urged by a spring 77 in the same direction as the spring 41. Therefore, the locking portion 31 is moved by the action of the spring 41 to form the locking step 5.
When the release operation section 39 is operated, the locking section 31 can be pulled through the relay wire 75 against the springs 41 and 75, so that the locking section 31 is locked to the locking step section. 5 can be released. At this time, since the release operation section 39 is located at the end of the instrument main body 2,
The operation can be facilitated because the release operation unit 39 can be operated while holding the outer periphery of the release operation unit.

According to this embodiment, when the instrument body 2 is detached from the fixture 1, the instrument body 2 is operated while holding both ends of the instrument body 2 with both hands. Compared to the case where the center part of the appliance main body 2 is held, the lighting circuit block 56 which is a lighting device has a heavy weight so that the weight of the appliance main body 2 is poor.
There is no danger without unstable support. Furthermore, since the release operation part 39 is located at the end of the instrument body 2, the instrument body 2 can be removed with the lamp attached regardless of the number of lamp lights.

A sixth embodiment of the present invention is shown in FIGS. That is, this lighting fixture mounting device is
In the embodiment of the present invention, the fixture 1 has a connector receiver 6 connected to the blade 4, and the tool body 2 is detachably connected to the connector receiver 6 in conjunction with the release operation section 39.
It has. In the embodiment, the fixture 1 is non-disc-shaped, the connector receiver 6 is provided integrally, and the connector 8 and the release operation section 39 are provided integrally. The fitting tube portion 47 of the locking tool 7 is shaped to match the outer shape of the mounting tool 1. Therefore, when the locking device 7 is fitted to the mounting device 1, the locking portion 31 comes into contact with the peripheral surface of the mounting device 1 and retreats. When the locking tool 7 is fitted to the mounting tool 1 and the locking portion 31 is locked to the locking step 5, the connector 8 also advances and is connected to the connector receiver 6. On the other hand, when the release operation part 39 is operated, the locking part 31 is disengaged from the locking step part 5, and at the same time, the connector 8 also moves backward to release the electrical connection.

According to this embodiment, since the connector 8 can be attached and detached by operating the release operation section 39, the operability of attaching and detaching the instrument body 2 is improved.

[0035]

According to the lighting fixture mounting apparatus of the first aspect,
Since the unlocking portion is operated in a direction along the surface of the instrument body, the unlocking portion can be prevented from increasing the height of the fixture body, thinning capable ing. In addition, the fixing part is
Since it is almost disk-shaped, the instrument body can be rotated in the circumferential direction.
The instrument body can be rotated to any position with respect to the ceiling.
can do. According to the lighting fixture mounting device of claim 2, in claim 1, the locking portion and the release operation portion are provided on a locking device, the locking device is mounted on a center of the device main body, and the release is performed. Since the direction of the release operation of the operation unit is directed outward from the center of the device main body, in addition to the effects of claim 1, when the release operation unit is released, the release operation unit is brought into contact with the thumb and applied to the edge of the locking tool. Since the operation can be performed by touching the index finger, the operation becomes easy, and the appliance main body can be supported by hand even after removal, so that the appliance main body is easily held without being unbalanced.

According to the third aspect of the present invention, in addition to the first aspect, the locking portion and the release operation portion are integrally formed. Since the force is directly transmitted to the locking portion without any loss, the releasing operation is reliably performed. According to the lighting fixture mounting apparatus of claim 4, in claim 1, the holding knob is provided near the release direction of the release operation section. Since the release operation unit can be operated while being supported, the operation of the release operation unit is easy when the appliance body is removed, the balance of the appliance body can be maintained, and the appliance body is, for example, a fixture or a foreign matter on the ceiling surface. Even if it is hooked on the device, it can be pulled down by gripping the holding knob, and the holding knob can be gripped when pushing up the instrument body for mounting the instrument body, so that the operation can be performed safely.

According to the lighting apparatus mounting apparatus of claim 5, in claim 1, the apparatus main body has a straight tube lamp, and the operation direction of the release operation section is the same as that of the straight tube lamp. In addition to the effect of the first aspect, since the locking portion and the releasing operation portion are arranged in the longitudinal direction of the straight tube lamp, the restriction on the arrangement of the lighting circuit block and the like arranged in parallel with the straight tube lamp is reduced, and the mounting of the fixture parts is reduced. Can be easier.

According to the lighting fixture mounting device of the sixth aspect, in the fifth aspect, the release operation portion is covered with the straight tube lamp. Preparative operation can be prevented. Claim 7
According to the lighting fixture mounting device of the first aspect, in the first aspect, the release operation portion is provided on a peripheral portion of the device main body, and a direction of the release operation is set to an outward direction of the device main body. In addition, when removing the instrument body from the fixture, it is operated while holding both ends of the instrument body with both hands, so there is no need to operate with one hand, so safety is ensured and compared with holding the center part of the instrument body Thus, there is no danger that the support of the appliance main body is not unstable due to poor weight balance due to the heavy direction of the lighting device. Further, since the release operation section is located at the end of the instrument body, the instrument body can be removed with the lamp attached regardless of the number of lamp lights.

According to the luminaire mounting device of the eighth aspect, in the first aspect, the luminaire main body has a straight tube lamp, and the operation direction of the release operation portion is a direction orthogonal to the straight tube lamp. In addition to the effect of claim 1, even when the straight tube lamp is positioned directly below the locking portion, the release operation portion is in a direction perpendicular to the longitudinal direction of the straight tube lamp, so that the lamp does not become a hindrance when removing the appliance body. It can be done with attaching. Further, when operating the release operation unit, the lighting device or the straight tube lamp can be used as a fingerhold, so that the release operation is easy.

According to the luminaire mounting device of the ninth aspect, in the first aspect, the mounting device has a connector receiver connected to the plug blade, and the luminaire main body is interlocked with the release operation section. Since the connector is detachably connected to the connector receiver, in addition to the effect of the first aspect, the connector can be detached by operating the release operation unit, so that the operability of attaching and detaching the instrument body is improved.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a first embodiment of the present invention.

FIG. 2 is an exploded perspective view thereof.

FIG. 3 is an exploded perspective view of a mounting tool and a locking tool.

FIG. 4 is a perspective view of an attachment.

FIG. 5 is a perspective view of a locking device.

FIG. 6 is a cross-sectional view of the mounting state of the device main body.

FIG. 7 is an external perspective view of a lighting fixture.

FIG. 8 is an external perspective view of the second embodiment.

FIG. 9 is a sectional view of a main part thereof.

FIG. 10 is an exploded perspective view relating to attachment of a lighting fixture to which the third embodiment is applied.

FIG. 11 is a sectional view thereof.

FIG. 12 is a perspective view of a state before the attachment and the locking device are locked.

FIG. 13 is a perspective view of the operating state of the locking device.

FIG. 14 is a sectional view of a device main body according to a fourth embodiment.

FIG. 15 is a plan view seen from below.

FIG. 16 is a half sectional view of the fifth embodiment.

FIG. 17 is a plan view seen from below.

FIG. 18 is a plan view showing a state where the locking device according to the sixth embodiment is locked to a mounting device.

FIG. 19 is a perspective view of the attachment.

FIG. 20 is a perspective view of a locking device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Attachment 2 Instrument main body 3 Hook sealing 4 Plug blade 5 Locking step part 7 Locking tool 31 Locking part 39 Release operation part

──────────────────────────────────────────────────の Continued on the front page (72) Inventor Hiroyuki Mikami 1048 Kazuma Kadoma, Osaka Pref. Matsushita Electric Works, Ltd. (72) Inventor Hisakichi Nose 1048 Kadoma Kadoma, Kadoma, Osaka Pref. (72) Inventor Shuji Kawachi 1048 Kadoma, Kazuma, Osaka Prefecture Inside Matsushita Electric Works, Ltd. (72) Inventor Takashi Yoshinari 1048 Kadoma, Kazuma, Kadoma, Osaka Prefecture Inside Matsushita Electric Works, Ltd. No. 1-55 Yoshida Shimojima, Higashi-Osaka City, Osaka Asahi National Lighting Co., Ltd. (56) References JP-A-6-139809 (JP, A) JP-A-4-212276 (JP, A) JP-A-1- 278674 (JP, A) Japanese Utility Model 57-1718 (JP, U) Japanese Utility Model 63-1222065 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F21V 21/02 101

Claims (9)

(57) [Claims] 1. A method according to claim 1, further comprising: a plug blade hooked on the hooking sealing on an upper surface, and a locking step on substantially the entire outer peripheral edge.
A substantially disk-shaped mounting tool having a notch at the outer peripheral edge thereof, and a substantially plate-shaped mounting tool having a fitting tubular portion fitted to the mounting tool and elastically removably engaged with the locking step. Of the fitting tube
Protrudes into the locking step from the locking part protrusion hole formed in the part
And a device main body having a release operation part for releasing the locking of the locking part, and a tip of the locking part is the locking step part.
A lighting fixture mounting device which is formed in an arcuate concave shape along a peripheral surface of the lighting device, and in which an operation direction of the release operation portion is a direction along a surface of the fixture main body. 2. The device according to claim 2, wherein the locking portion and the releasing operation portion are provided on a locking device, and the locking device is attached to a center of the device main body. The lighting fixture mounting device according to claim 1, wherein the lighting fixture mounting device is directed outward from the center. 3. The lighting fixture mounting apparatus according to claim 1, wherein said locking portion and said release operation portion are integrally formed. 4. The lighting fixture mounting apparatus according to claim 1, further comprising a holding knob in the vicinity of the release operation section in a release direction. 5. The lighting fixture mounting apparatus according to claim 1, wherein the fixture main body has a straight tube lamp, and an operation direction of the release operation unit is the same as a longitudinal direction of the straight tube lamp. 6. The lighting fixture mounting apparatus according to claim 5, wherein the release operation section is covered with the straight tube lamp. 7. The lighting fixture mounting device according to claim 1, wherein the release operation portion is provided on a peripheral portion of the fixture main body, and a direction of the release operation is set to an outward direction of the fixture main body. 8. The lighting fixture mounting apparatus according to claim 1, wherein the fixture body has a straight tube lamp, and an operation direction of the release operation unit is a direction orthogonal to the straight tube lamp. 9. The apparatus according to claim 1, wherein the attachment has a connector receiver connected to the blade, and the tool body has a connector detachably connected to the connector receiver in conjunction with the release operation unit. The lighting fixture mounting device according to the above.