JP4258628B2 - Lighting device - Google Patents

Description

  The present invention relates to an illuminating device using an instrument body provided with a hooking sealing plug.

  2. Description of the Related Art Conventionally, there is known an illumination device that is commonly used for a ceiling direct attachment type in which an appliance main body is directly attached to a ceiling surface and a ceiling suspended shape that is suspended from the ceiling surface (for example, see Patent Document 1).

  In this lighting device, when the fixture main body is used for direct mounting to the ceiling, an adapter having a hook sealing plug is attached to the upper surface of the fixture main body, and a connector drawn from the lighting device in the fixture main body and a connector drawn from the adapter are After the electrical connection is established, the instrument body is lifted and connected to the ceiling ceiling body installed on the ceiling surface by lifting the instrument body, so that the instrument body is installed directly on the ceiling surface.

  Also, when the fixture body is used in a ceiling-suspended form, after removing the adapter from the top surface of the fixture body and removing the connector, a suspension chain is attached to the top surface of the fixture body and pulled out from the lighting device in the fixture body. The connecting cord and the connector of the connecting cord having the hooking sealing cap are electrically connected. On the other hand, a hanging tool is installed on the ceiling surface in the vicinity of the hooking sealing body, and the chain attached to the instrument body is hung. The instrument body is suspended by hanging the instrument body by hanging the instrument body and connecting the hooking sealing cap of the connecting cord to the hooking sealing body.

Moreover, in a general ceiling-suspended lighting device, the pendant cord is pulled out from the upper surface of the fixture body, and the hook ceiling cap provided on the upper end of the pendant cord is connected to the hook ceiling body of the ceiling surface, thereby Hanging.
Japanese Utility Model Publication No. 46-22391 (page 1-2, Fig. 1-3)

  In the lighting device that shares the above-mentioned fixture body for the ceiling-mounted type and the ceiling-suspended type, when the fixture body is used for the ceiling-suspended type, the fixture body is suspended with a chain and electrically connected using a connection cord Therefore, the instrument main body cannot be easily attached / detached as in the case of a direct ceiling type in which the hook sealing plug of the instrument main body only needs to be attached / detached to / from the hook sealing body. Therefore, when the fixture body is used directly on the ceiling, the fixture body can be easily attached and detached.When replacing the lamp, the lamp body can be easily replaced by removing the fixture body from the hooking ceiling body and placing the fixture body in a low position. However, if the fixture body is used in a ceiling-suspended form, the fixture body cannot be easily attached and detached, so the lamp will be replaced at a high position while the fixture body is suspended, and lamp replacement is not easy. There's a problem.

  In addition, in a general ceiling-suspended lighting device, the pendant cord hooking plug can be easily attached to and detached from the ceiling hooking ceiling body, but it requires attachment / detachment operation at a high position close to the ceiling surface. Therefore, there is a problem that lamp replacement is not easy because lamp replacement is performed at a high position while the instrument body is suspended and installed.

  The present invention has been made in view of the above-described points, and it is possible to use a fixture body that can be shared with a ceiling-mounted type even when the ceiling is suspended, and the fixture body can be easily attached to and detached from the hooking ceiling body for lamp replacement. An object of the present invention is to provide a lighting device that can be easily provided.

  The lighting device according to claim 1 includes a pendant cord body having a pendant cord suspended from the ceiling side, a pendant cord side connection portion provided with a hanging sealing body at a lower end of the pendant cord; and a pendant cord body hanging sealing body. A fixture-side connecting portion provided with a hook sealing plug that is detachably connected to the device, and a protruding portion provided at the peripheral position surrounding the appliance-side connecting portion so as to protrude from the appliance-side connecting portion. And an instrument body.

  And in this configuration, by using a pendant cord body having a pendant cord side connection portion provided with a hooking sealing body at the lower end of the pendant cord, the use of an appliance body having an appliance side connection portion provided with a hooking sealing plug Therefore, it is possible to easily attach and detach the instrument body to the lower end of the pendant cord using the instrument body that can be shared with the ceiling-mounted type even if the ceiling is suspended. The lamp can be easily replaced by placing it in a low position. In addition, since the protruding part that protrudes from the instrument side connection part is provided at the peripheral position surrounding the instrument side connection part of the instrument body, the upper and lower surfaces of the instrument body removed from the hooking ceiling body are reversed to allow the desk surface, floor surface, etc. When placed on the placement surface, the projecting portion comes into contact with the placement surface and the instrument side connection portion does not contact, so that the placement state of the instrument body is stabilized and the placement surface is not damaged.

  According to a second aspect of the present invention, in the lighting device according to the first aspect of the present invention, a locking claw that locks the hooking sealing plug in a state of being connected to the hooking sea link body is provided in the fixture side connection portion, The release means for releasing the locking by the locking claw is provided at a position where it can be operated.

  And in this configuration, the hooking plug is locked with the hooking claw provided on the appliance side connecting portion in a state where it is connected to the hooking sealink body, and the hooking plug is surely prevented from coming off the hooking sealink body. Moreover, the instrument main body can be detached from the hooking sea link body by releasing the locking by the locking claw with a release means provided at a position that can be operated from the outside of the instrument main body.

  The lighting device according to claim 3 is the lighting device according to claim 1 or 2, further comprising a shade provided with an engagement hole and covering the lighting device, and the pendant cord side connection portion of the pendant cord body is engaged with the shade. A shade engaging portion is provided that can be inserted into the hole and that supports the shade by engaging the edge of the mounting hole in the inserted state.

  In this configuration, the shade engaging portion provided in the pendant cord side connecting portion of the pendant cord body can be inserted into the engaging hole of the shade, and is engaged with the edge of the mounting hole in the inserted state of the shade engaging portion. Since the shade is supported, the shade can be easily attached to and detached from the lower end of the pendant cord in the same manner as the instrument body, and the maintenance of the shade is facilitated.

  According to the illuminating device of claim 1, by using a pendant cord body having a pendant cord side connection portion provided with a hooking sealing body at the lower end of the pendant cord, the instrument side connection portion provided with the hooking sealing plug is provided. Therefore, it is possible to use an instrument body that can be shared with the ceiling-mounted type, and the instrument body can be easily attached to and detached from the lower end of the pendant cord. The lamp can be easily replaced by removing it from the lower end and placing it at a low position. In addition, since a protruding part that protrudes from the instrument-side connection part is provided at a peripheral position surrounding the instrument-side connection part of the instrument body, the upper and lower surfaces of the instrument body removed from the lower end of the hooking ceiling body are reversed so that the desk surface or floor surface When mounting on a mounting surface, etc., the protruding part comes into contact with the mounting surface and the instrument side connection part does not contact, so that the mounting state of the instrument body is stabilized and the mounting surface is prevented from being damaged. it can.

  According to the illuminating device of claim 2, in addition to the effect of the illuminating device of claim 1, the hooking sealing plug is locked with the hooking sea link body with the hooking claw provided on the fixture side connection portion. The hook sealing plug can be reliably prevented from coming off the hook sea link body, and the locking means can be unlocked by the release means provided at a position where it can be operated from the outside of the tool body. Can be removed from the hooked sea link body.

  According to the illuminating device of claim 3, in addition to the effect of the illuminating device of claim 1 or 2, the shade engaging portion provided in the pendant cord side connecting portion of the pendant cord body is inserted into the engaging hole of the shade. Since the shade engages with the edge of the mounting hole and supports the shade in the inserted state of the shade engaging portion, the shade can be easily attached to and detached from the lower end of the pendant cord as in the case of the instrument body, and the maintenance of the shade is easy. Can be.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 to 4 show a first embodiment, in which FIG. 1 is a perspective view of a lighting device body and a pendant cord body, FIG. 2 is a side view of the lighting device in an assembled state, and FIG. 3 is a lighting device tool. FIG. 4 is a side view of a state in which the main body is removed, and FIG.

  The ceiling surface 11 as the installation surface is provided with a hook ceiling body 12 that does not need to be used properly (the ceiling ceiling body 12 that does not need to be used separately). A ceiling-suspended lighting device 21 is suspended and installed using the hook ceiling body 12. Yes.

  The lighting device 21 is connected to the hanging ceiling body 12 and suspended from the ceiling surface 11, the pendant cord body 22 is detachably connected to the pendant cord body 22, and the pendant cord body 22 is detachably attached to the pendant cord body 22. And a shade 24 that covers the instrument body 23 is provided.

  The pendant cord body 22 has a pendant cord 27 in which an electric wire is covered with an insulator, and a hook sealing cap 28 that is electrically and mechanically connected to the hook sealing body 12 is provided at one end, that is, the upper end of the pendant cord 27. At the other end, that is, the lower end, a pendant cord side connection portion 29 is provided. The pendant cord 27 is inserted with a sealing cover 30 that covers the hooking sealing body 12 and the hooking sealing cap 28.

  The pendant cord side connection portion 29 has a cover 33 provided with a circular base portion 31 and an annular edge portion 32 protruding downward from the periphery of the base portion 31. On the upper surface of the cover 33, the pendant cord 27 is provided. A pendant cord holding portion 34 that is pulled out and holds the pendant cord 27 is attached, and a circular hooking sealing body 35 is attached to the center of the lower surface of the cover 33 in an embedded state.

  In the hooking sealing body 35, a pair of connection grooves 37 each having a wide insertion portion 36 formed at one end in the circumferential direction are formed on the same circumference. Connection terminals (not shown) connected to the electric wires are respectively arranged. The hooking sealing body 35 includes a round hooking sealing body itself installed on the ceiling surface 11 or a hooking sealing body structure similarly configured.

  The instrument main body 23 includes an upper main body portion 40 and a lower main body portion 41, and a plurality of annular fluorescent lamps 42 as lamps are disposed around the lower main body portion 41. These annular fluorescent lamps 42 are detachably supported by a plurality of holders 43 projecting from a plurality of locations on the periphery of the instrument body 23, and sockets (not shown) drawn from the instrument body 23 with cords are attached to the bases of the respective annular fluorescent lamps 42. It is connected. Although not shown in the figure, the lighting device for turning on the circular fluorescent lamp 42 by supplying a discharge current to the circular fluorescent lamp 42 through a socket, the annular fluorescent lamp 42 is pulled by a pulling string drawn from the lower surface of the fixture main body 23. A drawstring switch for switching the lighting state, a baby ball socket for connecting a baby ball, and the like are housed.

  In the center of the upper surface of the instrument body 23, an instrument side connection part 45 is provided which is detachably and electrically connected to the pendant cord side connection part 29 of the pendant cord body 22. The appliance-side connecting portion 45 has a circular case 46, and a pair of hooking sea link plugs 47 project from the upper surface of the case 46 and concentrically with the pair of connection grooves 37 of the hooking sealing body 35. . Each of the hooking sealing plugs 47 is formed in a substantially L-shaped cross section, and is electrically connected to the power input side of the lighting device, and can be inserted / removed through the respective insertion portions 36 of the hooking ceiling body 35. By rotating the instrument body 23 in the mounting direction, which is one direction in the insertion state, it moves from the insertion portion 36 to the connection groove 37 and is electrically connected to the connection terminal and mechanically supported in the hooked state. By moving the instrument body 23 in the removal direction which is the other direction, the instrument body 23 moves from the connection groove 37 to the insertion portion 36. The diameter of the case 46 is formed such that it can enter the inside of the edge portion 32 of the cover 33 of the pendant cord side connection portion 29.

  On the upper surface of the case 46, on the side corresponding to the direction in which one of the hooking sealing plugs 47 is removed and on a concentric circle, the hooking sealing plug 47 is moved to the connection groove 37 to the connection position where it is connected to the connection terminal 23. , And a locking claw 48 for engaging the end portion of the connection groove 37 in the removal direction, i.e., the insertion portion 36 to restrict the rotation of the hooking sealing plug 47 in the removal direction. Yes. The locking claw 48 is arranged so as to be able to protrude from the upper surface of the case 46 and is urged in a protruding direction by an urging means such as a spring (not shown), and is released by a release means 49 provided on the instrument body 23. It can be retracted into 46 and unlocked.

  An annular projecting portion 51 projects from the upper surface of the instrument body 23 and in a peripheral position surrounding the instrument side connection part 45. The protruding height of the protruding part 51 from the upper surface of the instrument body 23 is higher than the protruding height of the hooking sealing plug 47 of the instrument side connecting part 45, and the inner diameter of the protruding part 51 is the dimension that the cover 33 of the pendant cord side connecting part 29 enters. Is formed.

  The release means 49 is a position that faces the outer surface of the instrument body 23 and is operable from the outside of the instrument body 23, and is provided with a release operation part 53 that is provided on the outer peripheral surface position of the projecting part 51 so that it can be pushed from the outside. The release operation part 53 is provided with a transmission part 54 leading to the appliance side connection part 45, and the locking claw 48 is retracted into the case 46 via the transmission part 54 by a pushing operation of the release operation part 53. To unlock.

  Further, the shade 24 is formed in an umbrella shape having a lower surface made of, for example, milky white translucent material or non-translucent material, and an engagement hole 56 is formed in an upper portion, and an edge portion of the engagement hole 56 is formed. It is mounted on the cover 33 of the pendant cord side connection portion 29 and the inner edge portion of the engagement hole 56 is engaged with and attached to the peripheral surface of the pendant cord holding portion 34. The shade 24 is connected to the pendant cord side connection portion at the edge of the engagement hole 56 by passing the hooking sealing cap 28 and the pendant cord 27 of the pendant cord body 22 through the engagement hole 56 from the lower surface side of the shade 24. 29 is engaged.

  The upper surface of the cover 33 of the pendant cord side connection portion 29 on which the edge portion of the engagement hole 56 of the shade 24 is mounted is configured as a shade engagement portion 33a with which the shade 24 is engaged, and the inner edge portion of the engagement hole 56 of the shade 24 is The peripheral surface of the pendant cord holding portion 34 to be engaged is configured as a shade positioning portion 34a for positioning the position of the shade 24 in the horizontal direction.

  In order to construct the lighting device 21, first, the hooking ceiling cap 28 of the pendant cord body 22 engaged with the pendant cord side connecting portion 29 through the shade 24 is installed on the ceiling surface 11. Electrically and mechanically connected to the body 12.

  Subsequently, the instrument body 23 equipped with the annular fluorescent lamp 42 is lifted and put inside the shade 24, and each hooking sealing plug 47 of the instrument side connection part 45 is inserted into each insertion part of the hooking ceiling body 35 of the pendant cord side connection part 29. 36, and by rotating the instrument body 23 relative to the pendant cord side connection portion 29 in the mounting direction, each hooking sealing plug 47 is moved from each insertion portion 36 to each connection groove 37 to each Electrically and mechanically connected to the connection terminal. By moving the hooking sealing plug 47 to the connection groove 37 and rotating it to the connection position where it is connected to the connection terminal, the locking claw 48 engages with the end portion of the connection groove 37 in the removal direction, that is, the insertion part 36, and the hooking sealing plug 47 is engaged. The rotation of the plug 47 in the removing direction is restricted. This completes the construction as shown in FIG.

  When replacing the lamp, insert the hand between the fixture body 23 and the shade 24, push the release operation portion 53 of the release means 49, and release the locking by the locking claw 48. 23 is rotated relative to the pendant cord side connection portion 29 in the removing direction, so that each hook sealing plug 47 of the instrument side connection portion 45 is moved from each connection groove 37 of the hook sealing body 35 to each insertion portion 36. As shown in FIG. 3, the instrument main body 23 is lowered and removed.

  As shown in FIG. 4, the upper and lower surfaces of the removed instrument body 23 are reversed and placed on a placement surface 58 such as a desk surface or a floor surface, and the annular fluorescent lamp 42 is detached from the instrument body 23 in this placement state. Then replace. At this time, an annular protrusion 51 protruding from the peripheral position of the instrument side connection part 45 of the instrument body 23 is placed on the placement surface 58, and the hooking sealing plug 47 of the instrument side connection part 45 contacts the placement surface 58. Therefore, the mounting state of the instrument main body 23 can be stabilized and the mounting surface 58 can be prevented from being damaged.

  After the lamp replacement, the instrument body 23 is attached to the pendant cord side connection portion 29 of the pendant cord body 22 in the same manner as in the construction described above.

  Further, as shown in FIGS. 5 and 6, the appliance main body 23 can be shared with the ceiling-mounted lighting device 61. In the direct lighting type lighting device 61, for example, a disk-shaped upper surface plate 62 is supported on the device main body 23, and the device side connection of the device main body 23 is performed through an opening (not shown) formed in the center of the upper surface plate 62. Each hook sealing plug 47 of the section 45 is electrically and mechanically connected to a hook sealing body (separate hook hook body) 12 that is installed on the ceiling surface 11 and the shade 63 that covers the instrument body 23 is Attach to face plate 62. Instead of the drawstring switch, a unit 64 such as a remote control light receiving unit or a human sensor is attached to the lower surface of the instrument body 23. The top plate 62 is provided with a notch for operating the release operation portion 53 of the release means 49.

  At the time of lamp replacement, the shade 63 is removed, and the instrument side connection part 45 of the instrument body 23 is detached from the hooking ceiling body 12 while operating the release operation part 53 of the release means 49, and as shown in FIG. The upper and lower surfaces of the instrument body 23 are reversed and placed on a placement surface 58 such as a desk surface or floor surface, and in this placement state, the annular fluorescent lamp 42 can be attached to and detached from the instrument body 23 and replaced. 58 can be prevented from being damaged.

  As described above, in the ceiling-suspended lighting device 21, by using the pendant cord body 22 having the pendant cord side connection portion 29 provided with the hooking sealing body 35 at the lower end of the pendant cord 27, the hanging ceiling plug 47 Therefore, the instrument body 23 having the instrument side connection portion 45 provided with the ceiling can be used, and therefore the instrument body 23 that can be shared with the ceiling-mounted type can be used, and the instrument body 23 can be used with respect to the lower end of the pendant cord 27. The main body 23 can be easily attached and detached, and the lamp can be easily replaced by removing the instrument main body 23 from the lower end of the pendant cord 27 and placing it at a low position.

  In addition, the hooking sealing plug 47 is locked to the hooking sealink body 35 with the hooking claw 48 provided on the appliance side connection portion 45, so that the hooking sealing plug 47 is surely detached from the hooking sealink body 35. In addition, it is possible to release the locking by the locking claw 48 by the release means 49 provided on the instrument main body 23, and the instrument main body 23 can be detached from the hooking sea link body 35.

  In addition, since the protrusion 51 that protrudes from the instrument side connection part 45 with respect to the upper surface of the instrument body 23 is provided on the upper surface of the instrument body 23 and in the peripheral position of the instrument side connection part 45, it is removed from the lower end of the pendant cord 27. When the upper and lower surfaces of the instrument body 23 are reversed and placed on a placement surface 58 such as a desk surface or a floor surface, the projection 51 contacts the placement surface 58 and the instrument side connection portion 45 does not contact, The mounting state of the instrument body 23 is stable, and lamp replacement can be facilitated.

  Further, as shown in FIGS. 7 and 8, the cover 33 of the pendant cord side connection portion 29 of the pendant cord body 22 is formed in a substantially U-shaped cross section by cutting off both side portions of the cover 33 and providing the notches 71. In other words, the shade engaging portion 33a is provided only in a symmetric direction from the center of the cover 33. By providing the notches 71 on both sides of the cover 33, the shade 24 can be easily attached to and detached from the cover 33.

  That is, as shown in FIG. 8, when attaching the shade 24, one end side of the cover 33 is directed toward the engagement hole 56 of the shade 24 in the direction intersecting the notches 71 on both sides of the cover 33. The side edge portion 32 and the shade engaging portion 33a are inserted into the engaging hole 56 of the shade 24 from above, and the pendant cord holding portion 34, the other end side edge portion 32 and the shade engaging portion 33a are sequentially inserted. Then, the edge of the engagement hole 56 of the shade 24 is placed on both the shade engagement portions 33a of the cover 33. In addition, when removing the shade 24, contrary to the attachment, the shade 24 is lifted from above both the shade engaging portions 33a of the cover 33, and the notches on both sides of the cover 33 are made to the engagement holes 56 in the shade 24. Facing one end side in the direction intersecting the portion 71, the edge portion 32 of the cover 33 and the shade engaging portion 33a are inserted above the engaging hole 56 of the shade 24, and the pendant cord holding portion 34, The edge portion 32 and the shade engaging portion 33a on the other end side are sequentially inserted upward.

  In this manner, the shade engaging portion 33a provided in the pendant cord side connecting portion 29 of the pendant cord body 22 can be inserted into the engaging hole 56 of the shade 24, and the attachment hole 57 is inserted in the inserted state of the shade engaging portion 33a. Since the shade 24 is engaged with the edge to support the shade 24, the shade 24 can be easily attached to and detached from the lower end of the pendant cord 27 as in the case of the instrument body 23, and maintenance of the shade 24 can be facilitated.

  The release operation portion 53 of the release means 49 may be provided facing the lower surface of the fixture body 23. In this case, even in the case of the lighting device 61 directly attached to the ceiling, the lock release operation of the lock claw 48 is performed. Easy to do.

  Further, the protruding portion 51 of the instrument main body 23 is not limited to an annular shape, and may be protruded from a plurality of locations around the instrument-side connecting portion 45.

It is a perspective view of the fixture main body and pendant cord body of the illuminating device which shows the 1st Embodiment of this invention. It is a side view of the assembly state of an illuminating device same as the above. It is a side view of the state which removed the instrument main body of the illumination device same as the above. It is a side view of the state which mounted the instrument main body removed from the illumination device same as the above on the mounting surface. It is a side view of the assembly state of the lighting apparatus of the ceiling direct attachment type which shares the fixture main body of a lighting apparatus same as the above. It is a side view of the decomposition | disassembly state of the lighting apparatus of the ceiling direct attachment type which shares the fixture main body of an illuminating device same as the above. It is a perspective view of the pendant cord side connection part of the pendant cord body of the illuminating device which shows the 2nd Embodiment of this invention. It is a perspective view at the time of attaching and detaching the pendant cord side connection part of the pendant cord body of a lighting device same as the above to a shade.

Explanation of symbols

21 Lighting equipment
22 Pendant cord body
23 Instrument body
24 Sade
27 Pendant cord
29 Pendant cord side connection
33a Seed engaging part
35 Hook sealing body
42 Annular fluorescent lamp as a lamp
45 Instrument side connection
47 Catch ceiling plug
48 Locking claw
49 Release means
51 Protrusion
56 engagement hole

Claims (3)

A pendant cord body having a pendant cord side connection portion provided with a hanging sealing body at the lower end of the pendant cord suspended from the ceiling side;
An instrument side connecting portion provided with a hook sealing plug that is detachably connected to the hook sealing body of the pendant cord body, and a protruding portion that protrudes from the instrument side connecting portion around the instrument side connecting portion. An appliance body having a lamp mounted thereon;
An illumination device comprising: In the appliance side connection part, provided with a locking claw that locks the hooking sealing plug in a state of being connected to the hooking sea link body,
The illuminating device according to claim 1, wherein a release unit that releases the locking by the locking claw is provided at a position that can be operated from the outside of the instrument body. An engagement hole is provided, with a shade covering the lighting device,
The pendant cord side connection portion of the pendant cord body is provided with a shade engagement portion that can be inserted into the engagement hole of the shade and that the edge of the mounting hole engages and supports the shade in the insertion state. The lighting device according to claim 1 or 2.

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