JP2008193840A - Power-feeding duct - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a highly versatile power-feeding duct capable of mounting various accessories in optional positions corresponding to various purposes, in the power-feeding duct configured to have a long duct body with an opening provided in its longitudinal direction and a pair of long conductive parts provided in the longitudinal direction opposing the inner wall of the duct body so as to face the opening of the duct body therebetween in such a way that power is fed from the conductive part to an electric device locked to the opening. <P>SOLUTION: A grasping part 4 to grasp an engaging end part 8a provided to the accessory 8 is continuously provided in the longitudinal direction on the side of the duct body 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a power distribution duct that is installed on, for example, a wall or a ceiling and configured to supply power to various electric appliances.

  Conventionally, a power distribution duct 91 as shown in FIGS. 13 and 14 is known as a power distribution duct that is installed on a wall or ceiling and configured to supply power to various electric appliances. FIG. 13 is an explanatory view of a power distribution duct 91 installed on a conventional ceiling as viewed from below, and FIG. 14 is a cross-sectional view illustrating a schematic configuration of the power distribution duct 91.

  As shown in FIGS. 13 and 14, the conventional distribution duct 91 includes a long duct main body 91 a having a substantially U-shaped cross section and two opposing duct bodies having a U-shaped cross section. One inner surface is provided with a pair of conductive portions 91c provided in parallel via an insulating material 91b (FIG. 14). In addition, the duct body 91a can be engaged with an opening 91d that faces the conductive portion 91c from the outside of the power distribution duct 91 and a locking protrusion 92a provided in the electric appliance 92 (FIG. 2) that fits the power distribution duct 91. And a pair of terminals 92b of the electric appliance 92 that are in electrical contact with the conductive portion 91c so that the electric appliance 92 can be fixed to the distribution duct 91.

  Then, an arbitrary number of electric appliances such as lighting fixtures are attached to the power distribution duct 91 in the longitudinal direction, and power is supplied to each electric appliance from the conductive portion 91c connected to a power source (not shown). It can be done.

  However, the conventional distribution duct 91 as shown in FIG. 13 and FIG. 14 described above is limited to a use as a distribution duct for supplying electric power to an electric appliance, and is designed so that accessories can be attached at an arbitrary position. Because it was not done, it could not meet various purposes.

  This invention is made | formed in view of the said malfunction, and makes it a subject to provide the highly versatile power distribution duct which can attach various accessories to arbitrary positions corresponding to various objectives.

  Note that the distribution duct described in the present application does not correspond to any of the prior arts of the above-mentioned distribution ducts, and as far as the applicant knows, there is no known example similar to the present application, and therefore the prior art to be disclosed at the time of the present application. We do not have technical literature information.

  The present invention for solving the above-mentioned problems is a long duct body having an opening provided along the longitudinal direction, and an inner wall of the duct body so as to face the opening of the duct body. A pair of long conductive portions provided along the longitudinal direction, and a power distribution duct configured to supply electric power from the conductive portion to the electric appliance locked in the opening. The distribution duct is characterized in that a clamping part capable of clamping an engagement end provided on an accessory on the side of the duct body is provided continuously in the length direction.

  According to the present invention, the holding part is provided continuously in the length direction on the side of the duct body so that the engaging end part of the accessory can be held. As a result of being able to be mounted at an arbitrary position, it is possible to realize a highly versatile power distribution duct that can meet various purposes.

  Here, the clamping portion is formed in a substantially C-shaped cross section on the side of the duct body, and is provided inside the slit with a pair of opposing extension members that form the slit, and the width of the slit. And the pair of extending members are configured to be able to latch the accessory by sandwiching the neck portion of the engaging end provided on the accessory in the slit. It is preferable.

  In this way, the sandwiching portion is formed in a substantially C-shaped cross section, and the pair of opposing extending members that form the slit therebetween sandwich the neck portion of the engagement end provided on the accessory in the slit. Since the accessory can be locked, the engaging end of the accessory can be securely held.

  Further, the tip of the engaging end of the accessory is formed in a substantially T-shaped cross section so as to be engageable with a gap portion of the holding section formed in a substantially C-shaped cross section. It is preferable that the end of the longitudinal direction is provided with an introduction port through which the tip of the engagement end formed in a substantially T-shaped cross section can be introduced into the gap.

  In this way, the front end of the engagement end formed in a substantially T-shaped cross section is introduced into the gap from the introduction port located at the end in the longitudinal direction and engaged. The front end does not come out of the holding part, and the engaging end part of the accessory can be held more reliably.

  The pair of extending members of the sandwiching portion includes a groove portion extending in the longitudinal direction of the duct main body and an auxiliary conductive portion provided at a bottom portion of the groove portion at each tip facing the slit, and the sandwiching portion. It is preferable that electric power can be supplied to the accessories locked by the auxiliary conductive portion via these auxiliary conductive portions.

  In this way, since it is possible to supply power to the accessory via the auxiliary conductive portion provided at the tip of the extension member of the holding portion, it becomes easy to attach an electrical instrument such as a lighting fixture as an accessory. As a result, it is possible to realize an extremely versatile power distribution duct that can cope with various purposes.

  The duct body is provided on the back surface opposite to the opening, and an input opening that can receive power in a pair of conductive parts of the duct body, and is detachably attached to the input opening. And a power supply plug introduced into the duct body through the input opening in a state in which the locking projection provided on the power supply plug is locked to the edge of the input opening. The pair of terminals are preferably configured to be electrically connected to the corresponding conductive portions.

  In this way, since the power supply plug can be detachably attached to the input opening on the back surface, it is not necessary to attach the power supply plug to the opening side. As a result, the distribution duct has a clean and preferable appearance. Will be able to.

  Moreover, it is preferable that the power supply plug includes at least one spare outlet on the side that can supply power to the electric appliances around the duct body.

  In this way, electric power can be supplied from the back surface of the duct body to the peripheral electrical appliances via the spare outlet of the power supply plug, so that the wiring around the distribution duct can have a clean and preferable appearance. It becomes like this.

  The duct body includes an end finishing member that can be detachably inserted into an end opening of the duct body, and the end finishing member covers a cross section of the end of the duct body to end the end of the duct body. It is preferable to have a hook portion that is configured to be finished and can be suspended from the cord-like member.

  In this way, the end finishing member covers the cross section of the end of the duct main body and finishes the end of the duct main body, so that the appearance of the power distribution duct is clean. In addition, since it is possible to suspend the cable-like member on the hook portion of the end finishing member, it is possible to cope with various purposes such as hanging from the ceiling, thereby realizing a highly versatile power distribution duct. Will be able to.

  Furthermore, the end finishing member can be used as a connecting member between the duct main body and the duct main body by enabling both ends of the end finishing member to be detachably inserted into the end opening of the duct main body.

  The duct body includes a pair of opposing locking grooves extending along the longitudinal direction inside the opening, and a cover plate covering the opening of the duct body is provided in the pair of locking grooves. It is preferable that both ends are configured to be detachably locked.

  In this way, since both ends of the cover plate can be detachably locked in the pair of locking grooves of the duct body, the opening other than the location where the electric appliance is attached can be covered with the cover plate. It becomes possible to obtain a clean and more preferable appearance.

  In addition, the power distribution duct includes a design shade provided so as to cover the opening of the duct body, and the engagement end portion provided at an end portion of the design shade serves as a holding portion of the duct body. It is preferable to be configured to be able to be locked.

  If it does in this way, since a design shade can be locked to a clamping part and the illumination tube attached to the opening part of a duct main body can be covered, a power distribution duct can be comprised as a lighting fixture. Moreover, since it can be exchanged for various design shades, it is possible to realize a highly versatile power distribution duct that can be used for various purposes.

  The power distribution duct includes a duct holding member having a cantilever portion for holding the duct main body and a base portion extending from the cantilever portion and fixable to a wall surface. It is preferable that the engagement end portion provided at the end portion of the holding portion is configured to be able to be locked to the holding portion of the duct body.

  In this way, the duct main body can be fixed to the wall surface in a cantilever state via the duct holding member, so that it is possible to meet various purposes.

  The power distribution duct includes a reflecting plate that reflects light from a lamp attached to the opening of the duct main body, and the reflecting end of the reflecting plate is sandwiched between the duct main body and the engaging end. It is preferable to be configured to be able to be locked to the portion.

  In this way, since the reflector that reflects the light of the lamp can be locked to the sandwiching portion of the duct body, the power distribution duct can be used as an effective lighting fixture.

  In addition, the power distribution duct includes a lamp disposed on the side of the duct body, and the lamp holding portion that holds the lamp has the engagement end portion provided at the end portion of the duct body. It is preferable that it is configured to be able to be locked to.

  In this way, the lamp can be locked to the sandwiching portion of the duct body, so that various purposes can be met.

  Moreover, the said duct main body is equipped with the inclined end surface which inclines at a predetermined angle with respect to a longitudinal direction at both ends, and the said several duct main body by which these inclined end surfaces were joined is comprised so that a polygon can be formed. It is preferable.

  If it does in this way, since a polygon can be formed by joining the inclined end surfaces of a plurality of duct main parts, a distribution duct excellent in design can be realized.

  As described above, according to the present invention, various accessories can be reliably attached at an arbitrary position, so that a highly versatile power distribution duct that can meet various purposes can be realized. There is a remarkable effect.

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view illustrating a configuration of a power distribution duct 1 according to the first embodiment of the present invention, and FIG. 2 is a perspective view illustrating a schematic configuration of a duct body 2 of the power distribution duct 1. FIG. 4 is a perspective view showing a schematic configuration of the power supply plug 6. FIG. 5 is a perspective view showing a configuration in a state in which the electric appliance 7 and the accessory 8 are attached to the opening 5 and the clamping unit 4, respectively.

  As shown in FIGS. 1 and 2, a long distribution duct 1 according to the first embodiment of the present invention includes a long duct body 2, a pair of long conductive portions 3, and a sandwiched portion. 5, and is configured to supply electric power to an electric appliance 7 attached to the opening 5 and an accessory 8 attached to the holding portion 4 as shown in FIG. 5.

  The duct body 2 is a member formed of an aluminum alloy by drawing or plastic formed by molding, and has a substantially U-shaped cross section, and an opening 5 facing the conductive portion 3 from the outside of the distribution duct 1 in the longitudinal direction. Have along. The duct main body 2 includes a pair of conductive portions 3 provided in parallel on two inner surfaces facing each other with a U-shaped cross section via a plastic insulating material 3a (FIG. 2). In addition, the duct main body 2 is detachably attached to the back surface portion 2a opposite to the opening portion 5, the input opening portion 2b capable of receiving electric power in the pair of conductive portions 3, and the input opening portion 2b. And an attachable power supply plug 6.

  The conductive portion 3 is a pair of long metal members provided opposite to the inner wall of the duct body 2 so as to face the opening 5 therebetween.

  Then, the power supply introduced into the duct body 2 through the input opening 2b in a state where the locking protrusion 6a (FIG. 4) provided on the power supply plug 6 is locked to the edge 2c of the input opening 2b. A pair of terminals 6b (FIG. 4) of the plug 6 are electrically connected to the corresponding conductive portions 3 respectively.

  In the present embodiment, the power supply plug 6 is configured to be divided into an upper structure 6d and a lower structure 6e, and is configured to receive electric power from a connector 6f installed on the ceiling (FIG. 4). In addition, the power supply plug 6 includes two spare outlets 6 c on the side, and can supply power to other electric appliances arranged around the duct body 2.

  As a result, first, the lower structure 6e is attached to the duct body 2, the upper structure 6d is attached to the power feeding side, and then the lower structure 6e and the upper structure 6d are connected. This eliminates the need to expose the conductive portion in the power supply state, which is preferable for safety.

  The duct body 2 further includes an engagement portion 2d (FIG. 2) that can engage with a locking protrusion provided in the electric appliance 7 (FIG. 5). The electric appliance 7 can be fixed to the distribution duct 1 in a state where the terminal is in electrical contact with the conductive portion 3.

  The distribution duct 1 can be attached with an arbitrary number of various electric appliances 7 over the longitudinal direction of the opening 5, and the conductive portion 3 of the distribution duct 1 is not shown through a power supply plug 6. By being connected to a power source, electric power is supplied to these various electric appliances 7.

  The clamping part 4 is a substantially C-shaped section provided continuously in the length direction so that the accessory 8 can be attached to the side of the duct body 2.

  As shown in FIG. 2, the sandwiching portion 4 includes a pair of opposing extending members 4b that form a slit 4a therebetween, and a gap that is provided inside the slit 4a and has a diameter larger than the width of the slit 4a. 4c, and a pair of extending members 4b are configured to be able to lock the accessory 8 by sandwiching the neck portion of the engaging end 8a (FIG. 5) provided on the accessory 8 in the slit 4a. ing.

  Here, the tip of the engagement end portion 8a of the accessory 8 is formed in a substantially L-shaped cross section so as to be engageable with the sandwiching portion 4 formed in a substantially C-shaped cross section. An introduction port 4d (FIG. 2) through which the tip of the engagement end portion 8a formed in a substantially T-shaped cross section can be introduced into the gap portion 4c is provided at the end portion in the longitudinal direction of the holding portion 4.

  And the accessory 8 can be attached to the clamping part 4 by introduce | transducing the front-end | tip of the engaging edge part 8a from the inlet 4d to the space | gap part 4c.

  In the first embodiment, as shown in FIG. 5, the power distribution duct 1 includes an engagement end portion 8 a provided at an end portion of a lamp holding portion 18 b that holds a lamp 18 that is an accessory 8. The lamps 18 arranged on the side of the duct body 2 can be detachably attached.

  FIG. 3 is a cross-sectional view showing a schematic configuration of the auxiliary conductive portion of the sandwiching portion.

  As shown in FIG. 3, the pair of extending members 4b of the sandwiching portion 4 has a groove portion 4e extending in the longitudinal direction of the duct body 2 at each end facing the slit 4a, and an insulating portion 4f at the bottom of the groove portion 4e. And an auxiliary conductive portion 4g provided through the auxiliary conductive portion 4g, and the lamp 18 as the accessory 8 locked to the clamping portion 4 can be supplied with electric power via the auxiliary conductive portion 4g and a wiring not shown. Has been.

  For the auxiliary conductive portion 4g, when a lighting fixture such as an LED is used as the lamp 18, for example, the auxiliary conductive portion 4g is connected to a DC 12V power source, and the power source to be connected is selected according to the application. In addition, when the accessory 8 that is locked to the holding portion 4 is provided with a terminal that is directly connected to the auxiliary conductive portion 4g, power is supplied without using the wiring as in the conductive portion 3. Will be able to.

  In the present embodiment, the lamp holding portion 18b constitutes a reflector of the lamp 18, and this reflector also emits light from the lamp 17 as the electric appliance 7 attached to the opening 5 of the duct body 2. Also serves as a reflective plate.

  Further, as shown in FIG. 1, the power distribution duct 1 includes an end finishing member 9 that can be detachably inserted into an end opening 2 e of the duct main body 2, and the end finishing member 9 includes the duct main body 2. A hook that is configured to finish the end portion of the duct body 2 so as to cover the cross section of the end portion of the cable and that can be suspended on a cable-like member 10 that is composed of a wire or a chain that is suspended from a ceiling (not shown). A portion 9a is provided.

  When the duct body 2 is directly attached to the ceiling without using a wire or a chain, the hook portion 9a is stable because the hook body 9a at both ends is in contact with the ceiling so that the duct body 2 is kept horizontal. In the state, it is fixed to the ceiling.

  Further, the duct body 2 includes a pair of opposing locking grooves 2f (FIG. 2) extending along the longitudinal direction inside the opening 5, and the duct body 2 is provided in the pair of locking grooves 2f. A cover plate 11 (FIG. 1) covering the opening 5 is configured to be detachably locked at both ends.

  The cover plate 11 includes a cut portion 11a through which the power distribution tool is inserted in a state where the electric appliance 7 is attached, and covers the opening 5 other than the portion where the electric appliance 7 is attached.

  Next, with reference to FIGS. 1-5, the effect | action of the power distribution duct 1 which concerns on the 1st Embodiment of this invention is demonstrated.

  In the power distribution duct 1 according to the first embodiment of the present invention, first, the locking projection 6a provided on the power supply plug 6 is locked to the edge 2c of the input opening 2b of the duct body 2 to supply power. A pair of terminals 6b of the plug 6 are connected to the corresponding conductive portions 3 respectively.

  Next, in the opening 5 of the duct body 2, the locking protrusion 6 a of the electric appliance 7 (FIG. 5) is locked to the engaging portion 2 d to fix the electric appliance 7 to the power distribution duct 1, and the electric appliance 3 is connected to the electric appliance 3. 7 can be supplied with electric power. At this time, the pair of extending members 4b pinches the neck portion of the engaging end portion 8a provided on the accessory 8 in the slit 4a to lock the accessory 8.

  At this time, the openings 5 other than the portions where the electric appliances 7 are attached so as to lock both ends of the cover plate 11 covering the openings 5 of the duct main body 2 to the pair of locking grooves 2f as appropriate. Cover to make the appearance of the bottom surface clean.

  In addition, by introducing the end of the engagement end 8a formed in a substantially L-shaped section from the introduction port 4d at the end portion in the longitudinal direction in the sandwiching portion 4 into the gap portion 4c, to the side of the duct body 2 A lamp 18 is locked and attached as an accessory 8.

  Thereby, it will be in the state which can supply electric power to the lamp | ramp 18 via the auxiliary | assistant conductive part 4g and a distribution path not shown.

  In this state, the end finishing member 9 is inserted into the end of the duct main body 2, and the end of the duct main body 2 is finished by covering the cross section of the end of the duct main body 2.

  In addition, the hook portion 9a is suspended from the cord-like member 10 suspended from the ceiling, and the power supply plug 6 is connected to the connector 6f provided near the installation location, whereby the electric appliance 7 attached to the opening 5 is provided. Then, power can be supplied to the lamps 18 on both sides attached to the sandwiching portion 4.

  As described above, according to the power distribution duct 1 according to the first embodiment of the present invention, the clamping part 4 is continuously provided in the length direction on the side of the duct body 2, and the attachment 8 is engaged. Since the joint end portion 8a can be clamped, various accessories 8 can be attached at arbitrary positions. As a result, the highly versatile power distribution duct 1 that can meet various purposes can be obtained. Can be realized.

  Further, the sandwiching portion 4 is formed in a substantially C-shaped cross section, and a pair of opposing extending members 4b forming the slit 4a therebetween is a neck portion of the engagement end portion 8a provided on the accessory 8 in the slit 4a. Since the accessory 8 is configured to be able to be locked by sandwiching the pin 8, the engagement end portion 8 a of the accessory 8 can be securely clamped.

  Further, since it is possible to supply power to the accessory 8 via the auxiliary conductive portion 4g provided at the tip of the extending member 4b of the sandwiching portion 4, it is easy to attach the electric fixture 7 such as a lighting fixture as the accessory 8. As a result, it is possible to realize a highly versatile power distribution duct 1 that can cope with various purposes.

  In addition, since the power plug 6 can be detachably attached to the input opening 2b of the back surface 2a, it is not necessary to attach the power plug 6 to the opening 5 side, so that the appearance of the distribution duct 1 is clean and preferable. To be able to.

  Moreover, since electric power can be supplied from the back surface of the duct body 2 to the peripheral electrical appliance 7 through the spare outlet 6c of the power supply plug 6, the wiring around the distribution duct 1 can be made preferable.

  Further, since the end finishing member 9 covers the cross section of the end of the duct body 2 and finishes the end of the duct body 2, the appearance of the power distribution duct 1 becomes clean. Further, since the end member 9 can be hung on the hook-like member 9a on the rope-like member 10, it can be used for various purposes such as hanging from the ceiling. As a result, the distribution duct is extremely versatile. 1 can be realized.

  Furthermore, the end finishing member 9 can be used as a connecting member between the duct main body 2 and the duct main body 2 by enabling both ends of the end finishing member 9 to be detachably inserted into the end opening of the duct main body 2. .

  In addition, since both ends of the cover plate 11 can be detachably locked to the pair of locking grooves 2 f of the duct body 2, the opening 5 other than the location where the electric appliance 7 is attached can be covered with the cover plate 11. As a result, a cleaner and more preferable appearance can be achieved.

  Furthermore, since the reflecting plate which reflects the light of the lamp 17 can be locked to the sandwiching portion 4 of the duct body 2, the power distribution duct 1 can be used as an effective lighting fixture.

  And since the lamp | ramp 18 can be latched to the clamping part 4 of the duct main body 2, it can respond to a more various objective.

  Next, FIG. 6 is a perspective view showing a configuration of a power distribution duct 21 according to the second embodiment of the present invention. As shown in FIG. 6, in the power distribution duct 21 according to the second embodiment of the present invention, an illumination tube 27 is provided as an electric appliance 7 in the opening 5, and a design shade 28 is provided as an accessory 8 in the sandwiching portion 4. Mounted. The design shade 28 is a semi-transparent plastic shade provided so as to cover the opening 5 of the duct body 2, and the engagement end portion 28 a provided at the end is provided on the sandwiching portion 4 of the duct body 2. It can be locked.

  Further, the tip of the engagement end portion 28a of the design shade 28 as the accessory 8 is engaged with the holding portion 4 formed in a substantially C-shaped cross section in the power distribution duct 21 according to the second embodiment. It is formed in a substantially T-shaped cross section so that they can be combined.

  As described above, according to the power distribution duct 21 according to the second embodiment, the design tube 28 can be locked to the sandwiching portion 4 to cover the illumination tube 27 attached to the opening 5 of the duct body 2. The power distribution duct 21 can be configured as a lighting fixture. Moreover, since it can be exchanged for various design shades 28, it is possible to realize an extremely versatile power distribution duct that can be used for various purposes.

  Further, since the distal end of the engagement end portion 28a formed in a substantially T-shaped cross section is introduced and engaged with the gap portion 4c from the introduction port 4d located at the end portion in the longitudinal direction, the engagement end portion 28a The front end does not come off from the clamping part 4, and the engagement end part 28a of the accessory 8 can be clamped more reliably.

  Furthermore, FIG. 7 is a perspective view showing a configuration of a power distribution duct 31 according to the third embodiment of the present invention.

  The power distribution duct 31 according to the third embodiment of the present invention includes a cantilever portion 37a that serves as one reflector plate 36 and the other reflector plate and holds the duct body 2, and extends from the cantilever portion 37a. A duct holding member 38 having a base portion 37b that can be fixed to a wall surface is provided as an accessory 8. The duct holding member 38 has an engagement end portion 38a provided at an end portion of the cantilever portion 37a. It is configured to be able to be locked to the clamping part 4 of the duct body 2.

  As described above, according to the power distribution duct 31 according to the third embodiment, the duct main body 2 can be fixed to the wall surface in a cantilever state via the duct holding member 38. As a result, the place where it can be installed is widened. It can correspond to.

  FIG. 8 is a plan view showing a configuration of a power distribution duct 41 according to the fourth embodiment of the present invention.

  A power distribution duct 41 according to the fourth embodiment of the present invention includes inclined end surfaces 41a that are inclined at a predetermined angle with respect to the longitudinal direction at both ends, and a plurality of duct main bodies 42 in which the inclined end surfaces 41a are joined to each other. A quadrangular shape can be formed.

  Thus, according to the power distribution duct 41 which concerns on 4th Embodiment, since a polygon can be formed by joining the inclined end surfaces 41a of the several duct main body 42, the power distribution excellent in design A duct can be realized.

  The above-described embodiment is merely a preferred specific example of the present invention, and the present invention is not limited to the above-described embodiment.

  For example, the long distribution ducts 1, 21, 31, 41 are not limited to those made of aluminum alloy by drawing or plastic made by molding. Stainless steel, brass and other materials can be used.

  Moreover, the electric fixture 7 attached to the power distribution ducts 1, 21, 31, and 41 is not limited only to the lighting fixture. The present invention can also be applied to other electric appliances that are directly fixed to the power distribution duct 1 such as a blower.

  Further, the sandwiching portion 4 is not limited to one having a substantially C-shaped cross section, and the tip of the engaging end portion 8a of the accessory 8 is also formed to have a substantially L or T-shaped cross section. It is not limited. As long as the accessory 8 can be attached to the side of the duct body 2, various design changes can be made to the shape of the clamping portion 4 and the shape of the engagement end portion 8 a.

  Furthermore, the end finishing member 9, the hook portion 9a, the locking structure of the cover plate 11, and the like are not necessarily limited to the illustrated shapes. Various design changes are possible.

  In the power distribution duct 1 according to the first embodiment of the present invention shown in FIG. 5, the accessory 8 that is locked to the holding portion 4 is not limited to the lamp 18. FIG. 9 is a perspective view illustrating a configuration in a state in which a reflector 58 with a circular lighting fixture 57 is attached to the holding unit 4 as the accessory 8. In this way, various instruments can be applied as accessories.

  In addition, in the power distribution duct 1 according to the second embodiment of the present invention shown in FIG. 7, the design shade 28 attached to the holding portion 4 is not necessarily limited to the illustrated shape. FIG. 10 is a perspective view showing a configuration of a design shade 68 according to a modification example attached to the clamping unit 4, and FIG. 11 shows a configuration of a design shade 78 according to another modification example attached to the clamping unit 4. It is a perspective view.

  As described above, the design shades 68 and 78 have the engaging end portions 68a and 78a provided at the end portions thereof, which can be locked to the holding portion 4 of the duct body 2 and attached to the opening portion 5 of the duct body 2. As long as the sphere 27 can be covered, various design changes are possible.

  Further, in the power distribution duct 31 according to the third embodiment of FIG. 7, the cantilever portion 38a that holds the duct body 2 and the duct holding member 38 do not need to be configured by the same member. FIG. 12 is a perspective view showing a power distribution duct 81 according to a modification of the third embodiment.

  As described above, if the duct body 2 can be fixed to the wall surface in a cantilever state, separate members such as a cantilever portion 88a that also serves as a reflector and a base portion 88b that can be fixed to the wall surface are bolt nuts or the like. The duct holding member 88 may be configured by being connected by a connecting member.

  Further, in the power distribution duct 1 according to the fourth embodiment shown in the figure, the polygon is not necessarily limited to a quadrangular shape like the illustrated shape. By changing the angle of the inclined end surface 41a, the design can be changed to various polygons such as a pentagon and a hexagon.

  Further, the accessory 8 attached to the holding unit 4 is not limited to the lamps 18 and 58, the design shades 28, 68, and 78, the duct holding members 38 and 88, and the like described in the present embodiment. It can be applied to various other accessories.

  In addition, it goes without saying that various design changes are possible within the scope of the claims of the present invention.

It is a perspective view which shows the structure of the power distribution duct which concerns on the 1st Embodiment of this invention. It is a perspective view which shows the schematic structure of the duct main body of a power distribution duct. It is sectional drawing which shows the schematic structure of the auxiliary | assistant electroconductive part of a clamping part. It is a perspective view which shows the schematic structure of an electric power plug. It is a perspective view which shows the structure of the state in which the electric appliance and accessories were attached to the opening part and the clamping part, respectively. It is a perspective view which shows the structure of the power distribution duct which concerns on the 2nd Embodiment of this invention. It is a perspective view which shows the structure of the power distribution duct which concerns on the 3rd Embodiment of this invention. It is a top view which shows the structure of the power distribution duct which concerns on the 4th Embodiment of this invention. It is a perspective view which shows the structure of the state in which the reflector with a circular lighting fixture was attached to the clamping part as an accessory. It is a perspective view which shows the structure of the design shade concerning the modification attached to a clamping part. It is a perspective view which shows the structure of the design shade concerning another modification attached to a clamping part. It is a perspective view which shows the power distribution duct which concerns on the modification of 3rd Embodiment. It is explanatory drawing which looked at the power distribution duct installed in the conventional ceiling from the lower surface. It is sectional drawing which shows the schematic structure of a power distribution duct.

Explanation of symbols

1, 21, 31, 41 Power distribution duct 2 Duct body 2a Back surface 2b Input opening 2c Edge 2f Locking groove 3 Conductive part 4 Holding part 4a Slit 4b Extension member 4c Air gap part 4d Inlet 4e Groove part 4g Auxiliary conductive part 5 Opening 6 Power supply plug 6a Locking projection 6b Pair of terminals 6c Outlet 7 Electric appliance 8 Accessory 8a Engagement end 9 End finishing member 9a Hook part 10 Cord member 11 Cover plate 17 Lamp 18 Lamp 18b Lamp holding part 28 Design Sade 38 Duct Holding Member 38a Cantilever 38b Base 41a Inclined End Surface

Claims (13)

A long duct body having an opening provided along the longitudinal direction, and a pair provided along the longitudinal direction opposite to the inner wall of the duct body so as to face the opening of the duct body A distribution duct configured to be supplied with electric power through the conductive portion to the electric appliance locked in the opening,
A power distribution duct characterized in that a clamping part capable of clamping an engagement end provided on an accessory on a side of the duct main body is provided continuously in a length direction. The holding portion is formed in a substantially C-shaped cross section on the side of the duct body, and is provided inside the slit with a pair of opposing extension members that form a slit therebetween, and is wider than the width of the slit. A gap having a diameter, and
The distribution duct according to claim 1, wherein the pair of extending members are configured to be able to latch the accessory by sandwiching a neck portion of an engagement end provided on the accessory in the slit. The tip of the engagement end portion of the accessory is formed in a substantially T-shaped cross section so as to be engageable with the gap portion of the holding portion formed in a substantially C-shaped cross section,
2. The holding portion includes an introduction port at an end portion in a longitudinal direction through which an end of an engaging end portion having a substantially T-shaped cross section can be introduced into the gap portion. Or the electricity distribution duct of any one of Claim 2. The pair of extending members of the sandwiching portion is provided at each tip facing the slit,
A groove extending in the longitudinal direction of the duct body;
An auxiliary conductive portion provided at the bottom of the groove,
With
The power distribution duct according to any one of claims 1 to 3, wherein an electric power can be supplied to the accessory locked to the holding portion via the auxiliary conductive portion. The duct body is provided on a back surface portion opposite to the opening, and an input opening capable of receiving power in a pair of conductive portions of the duct body;
A power plug that can be detachably attached to the input opening;
With
A pair of terminals of the power supply plug introduced into the duct main body through the input opening in the state where the locking protrusion provided on the power supply plug is locked to the edge of the input opening, respectively, The distribution duct according to any one of claims 1 to 3, wherein the distribution duct is configured to be electrically connected to the portion.   5. The power supply plug according to claim 1, wherein the power supply plug includes at least one spare outlet on a side thereof capable of supplying power to an electric appliance around the duct main body. Power distribution duct. The duct body includes an end finishing member that can be detachably inserted into an end opening of the duct body,
The end finishing member is configured to cover the end section of the duct main body and finish the end of the duct main body, and includes a hook portion that can be suspended on the cord-like member. The distribution duct according to claim 6. The duct body includes a pair of opposing locking grooves extending along the longitudinal direction inside the opening,
8. The cover plate for covering the opening of the duct body is configured to be detachably locked at both ends in the pair of locking grooves. The power distribution duct according to item 1. With a design shade provided to cover the opening of the duct body,
9. The design shade according to claim 1, wherein the engaging end portion provided at the end portion is configured to be able to be locked to the holding portion of the duct main body. 10. Power distribution duct as described in A duct holding member having a cantilever portion for holding the duct body and a base portion extending from the cantilever portion and fixed to the wall surface;
10. The duct holding member is configured such that the engaging end provided at the end of the cantilever is engageable with the holding part of the duct body. The power distribution duct according to any one of the above. A reflector for reflecting the light of the lamp attached to the opening of the duct body;
11. The reflector according to claim 1, wherein the reflection plate is configured such that the engagement end portion provided at the end portion can be locked to the holding portion of the duct body. Power distribution duct as described in Comprising a lamp arranged on the side of the duct body,
12. The lamp holding portion for holding the lamp is configured such that the engaging end portion provided at the end portion can be locked to the holding portion of the duct main body. The power distribution duct according to any one of the above. The duct body includes inclined end surfaces that are inclined at a predetermined angle with respect to the longitudinal direction at both ends,
The power distribution duct according to any one of claims 1 to 12, wherein the plurality of duct main bodies having the inclined end faces joined to each other are formed to be polygonal.

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